aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright (c) 1998-2014,2015 Free Software Foundation, Inc.              *
   3 dnl                                                                          *
   4 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
   5 dnl copy of this software and associated documentation files (the            *
   6 dnl "Software"), to deal in the Software without restriction, including      *
   7 dnl without limitation the rights to use, copy, modify, merge, publish,      *
   8 dnl distribute, distribute with modifications, sublicense, and/or sell       *
   9 dnl copies of the Software, and to permit persons to whom the Software is    *
  10 dnl furnished to do so, subject to the following conditions:                 *
  11 dnl                                                                          *
  12 dnl The above copyright notice and this permission notice shall be included  *
  13 dnl in all copies or substantial portions of the Software.                   *
  14 dnl                                                                          *
  15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  22 dnl                                                                          *
  23 dnl Except as contained in this notice, the name(s) of the above copyright   *
  24 dnl holders shall not be used in advertising or otherwise to promote the     *
  25 dnl sale, use or other dealings in this Software without prior written       *
  26 dnl authorization.                                                           *
  27 dnl***************************************************************************
  28 dnl
  29 dnl Author: Thomas E. Dickey 1995-on
  30 dnl
  31 dnl $Id: aclocal.m4,v 1.765 2015/08/22 21:12:39 tom Exp $
  32 dnl Macros used in NCURSES auto-configuration script.
  33 dnl
  34 dnl These macros are maintained separately from NCURSES.  The copyright on
  35 dnl this file applies to the aggregation of macros and does not affect use of
  36 dnl these macros in other applications.
  37 dnl
  38 dnl See http://invisible-island.net/autoconf/ for additional information.
  39 dnl
  40 dnl ---------------------------------------------------------------------------
  41 dnl ---------------------------------------------------------------------------
  42 dnl AM_LANGINFO_CODESET version: 4 updated: 2015/04/18 08:56:57
  43 dnl -------------------
  44 dnl Inserted as requested by gettext 0.10.40
  45 dnl File from /usr/share/aclocal
  46 dnl codeset.m4
  47 dnl ====================
  48 dnl serial AM1
  49 dnl
  50 dnl From Bruno Haible.
  51 AC_DEFUN([AM_LANGINFO_CODESET],
  52 [
  53 AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
  54         [AC_TRY_LINK([#include <langinfo.h>],
  55         [char* cs = nl_langinfo(CODESET);],
  56         am_cv_langinfo_codeset=yes,
  57         am_cv_langinfo_codeset=no)
  58         ])
  59         if test $am_cv_langinfo_codeset = yes; then
  60                 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
  61                 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
  62         fi
  63 ])dnl
  64 dnl ---------------------------------------------------------------------------
  65 dnl CF_ABI_DEFAULTS version: 2 updated: 2015/06/06 13:49:58
  66 dnl ---------------
  67 dnl Provide configure-script defaults for different ncurses ABIs.
  68 AC_DEFUN([CF_ABI_DEFAULTS],[
  69 AC_REQUIRE([CF_NCURSES_WITH_ABI_VERSION])
  70 case x$cf_cv_abi_version in
  71 (x[[6789]])
  72         cf_dft_ext_colors=yes
  73         cf_dft_ext_const=yes
  74         cf_dft_ext_mouse=yes
  75         cf_dft_ext_putwin=yes
  76         cf_dft_ext_spfuncs=yes
  77         cf_dft_filter_syms=yes
  78         cf_dft_chtype=uint32_t
  79         cf_dft_mmask_t=uint32_t
  80         cf_dft_interop=yes
  81         cf_dft_tparm_arg=intptr_t
  82         cf_dft_with_lp64=yes
  83         ;;
  84 (*)
  85         cf_dft_ext_colors=no
  86         cf_dft_ext_const=no
  87         cf_dft_ext_mouse=no
  88         cf_dft_ext_putwin=no
  89         cf_dft_ext_spfuncs=no
  90         cf_dft_filter_syms=no
  91         cf_dft_chtype=auto
  92         cf_dft_mmask_t=auto
  93         cf_dft_interop=no
  94         cf_dft_tparm_arg=long
  95         cf_dft_with_lp64=no
  96         ;;
  97 esac
  98 ])dnl
  99 dnl ---------------------------------------------------------------------------
 100 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
 101 dnl ------------------
 102 dnl Conditionally generate script according to whether we're using a given autoconf.
 103 dnl
 104 dnl $1 = version to compare against
 105 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
 106 dnl $3 = code to use if AC_ACVERSION is older than $1.
 107 define([CF_ACVERSION_CHECK],
 108 [
 109 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
 110 ifdef([m4_version_compare],
 111 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
 112 [CF_ACVERSION_COMPARE(
 113 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
 114 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
 115 dnl ---------------------------------------------------------------------------
 116 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
 117 dnl --------------------
 118 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
 119 dnl                      MAJOR2, MINOR2, TERNARY2,
 120 dnl                      PRINTABLE2, not FOUND, FOUND)
 121 define([CF_ACVERSION_COMPARE],
 122 [ifelse(builtin([eval], [$2 < $5]), 1,
 123 [ifelse([$8], , ,[$8])],
 124 [ifelse([$9], , ,[$9])])])dnl
 125 dnl ---------------------------------------------------------------------------
 126 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
 127 dnl -------------------
 128 dnl Construct the list of include-options for the C programs in the Ada95
 129 dnl binding.
 130 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
 131 [
 132 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
 133 if test "$srcdir" != "."; then
 134         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
 135 fi
 136 if test "$GCC" != yes; then
 137         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 138 elif test "$includedir" != "/usr/include"; then
 139         if test "$includedir" = '${prefix}/include' ; then
 140                 if test x$prefix != x/usr ; then
 141                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 142                 fi
 143         else
 144                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 145         fi
 146 fi
 147 AC_SUBST(ACPPFLAGS)
 148 ])dnl
 149 dnl ---------------------------------------------------------------------------
 150 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
 151 dnl ---------------
 152 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
 153 AC_DEFUN([CF_ADD_ADAFLAGS],[
 154         ADAFLAGS="$ADAFLAGS $1"
 155         AC_SUBST(ADAFLAGS)
 156 ])dnl
 157 dnl ---------------------------------------------------------------------------
 158 dnl CF_ADD_CFLAGS version: 12 updated: 2015/04/12 15:39:00
 159 dnl -------------
 160 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 161 dnl The second parameter if given makes this macro verbose.
 162 dnl
 163 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
 164 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
 165 dnl confused by the quotes (which require backslashes to keep them usable).
 166 AC_DEFUN([CF_ADD_CFLAGS],
 167 [
 168 cf_fix_cppflags=no
 169 cf_new_cflags=
 170 cf_new_cppflags=
 171 cf_new_extra_cppflags=
 172
 173 for cf_add_cflags in $1
 174 do
 175 case $cf_fix_cppflags in
 176 (no)
 177         case $cf_add_cflags in
 178         (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
 179                 case $cf_add_cflags in
 180                 (-D*)
 181                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 182
 183                         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 184                                 && test -z "${cf_tst_cflags}" \
 185                                 && cf_fix_cppflags=yes
 186
 187                         if test $cf_fix_cppflags = yes ; then
 188                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 189                                 continue
 190                         elif test "${cf_tst_cflags}" = "\"'" ; then
 191                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 192                                 continue
 193                         fi
 194                         ;;
 195                 esac
 196                 case "$CPPFLAGS" in
 197                 (*$cf_add_cflags)
 198                         ;;
 199                 (*)
 200                         case $cf_add_cflags in
 201                         (-D*)
 202                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 203                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
 204                                 ;;
 205                         esac
 206                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
 207                         ;;
 208                 esac
 209                 ;;
 210         (*)
 211                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
 212                 ;;
 213         esac
 214         ;;
 215 (yes)
 216         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 217
 218         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
 219
 220         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 221                 && test -z "${cf_tst_cflags}" \
 222                 && cf_fix_cppflags=no
 223         ;;
 224 esac
 225 done
 226
 227 if test -n "$cf_new_cflags" ; then
 228         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
 229         CFLAGS="$CFLAGS $cf_new_cflags"
 230 fi
 231
 232 if test -n "$cf_new_cppflags" ; then
 233         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
 234         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
 235 fi
 236
 237 if test -n "$cf_new_extra_cppflags" ; then
 238         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
 239         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
 240 fi
 241
 242 AC_SUBST(EXTRA_CPPFLAGS)
 243
 244 ])dnl
 245 dnl ---------------------------------------------------------------------------
 246 dnl CF_ADD_INCDIR version: 14 updated: 2015/05/25 20:53:04
 247 dnl -------------
 248 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
 249 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
 250 dnl but old versions (and some misinstalled ones) need that.  To make things
 251 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
 252 dnl the include-path).
 253 AC_DEFUN([CF_ADD_INCDIR],
 254 [
 255 if test -n "$1" ; then
 256   for cf_add_incdir in $1
 257   do
 258         while test $cf_add_incdir != /usr/include
 259         do
 260           if test -d $cf_add_incdir
 261           then
 262                 cf_have_incdir=no
 263                 if test -n "$CFLAGS$CPPFLAGS" ; then
 264                   # a loop is needed to ensure we can add subdirs of existing dirs
 265                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
 266                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
 267                           cf_have_incdir=yes; break
 268                         fi
 269                   done
 270                 fi
 271
 272                 if test "$cf_have_incdir" = no ; then
 273                   if test "$cf_add_incdir" = /usr/local/include ; then
 274                         if test "$GCC" = yes
 275                         then
 276                           cf_save_CPPFLAGS=$CPPFLAGS
 277                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 278                           AC_TRY_COMPILE([#include <stdio.h>],
 279                                   [printf("Hello")],
 280                                   [],
 281                                   [cf_have_incdir=yes])
 282                           CPPFLAGS=$cf_save_CPPFLAGS
 283                         fi
 284                   fi
 285                 fi
 286
 287                 if test "$cf_have_incdir" = no ; then
 288                   CF_VERBOSE(adding $cf_add_incdir to include-path)
 289                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
 290
 291                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
 292                   test "$cf_top_incdir" = "$cf_add_incdir" && break
 293                   cf_add_incdir="$cf_top_incdir"
 294                 else
 295                   break
 296                 fi
 297           else
 298                 break
 299           fi
 300         done
 301   done
 302 fi
 303 ])dnl
 304 dnl ---------------------------------------------------------------------------
 305 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
 306 dnl ----------
 307 dnl Add a library, used to enforce consistency.
 308 dnl
 309 dnl $1 = library to add, without the "-l"
 310 dnl $2 = variable to update (default $LIBS)
 311 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
 312 dnl ---------------------------------------------------------------------------
 313 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
 314 dnl -------------
 315 dnl     Adds to the library-path
 316 dnl
 317 dnl     Some machines have trouble with multiple -L options.
 318 dnl
 319 dnl $1 is the (list of) directory(s) to add
 320 dnl $2 is the optional name of the variable to update (default LDFLAGS)
 321 dnl
 322 AC_DEFUN([CF_ADD_LIBDIR],
 323 [
 324 if test -n "$1" ; then
 325         for cf_add_libdir in $1
 326         do
 327                 if test $cf_add_libdir = /usr/lib ; then
 328                         :
 329                 elif test -d $cf_add_libdir
 330                 then
 331                         cf_have_libdir=no
 332                         if test -n "$LDFLAGS$LIBS" ; then
 333                                 # a loop is needed to ensure we can add subdirs of existing dirs
 334                                 for cf_test_libdir in $LDFLAGS $LIBS ; do
 335                                         if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
 336                                                 cf_have_libdir=yes; break
 337                                         fi
 338                                 done
 339                         fi
 340                         if test "$cf_have_libdir" = no ; then
 341                                 CF_VERBOSE(adding $cf_add_libdir to library-path)
 342                                 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
 343                         fi
 344                 fi
 345         done
 346 fi
 347 ])dnl
 348 dnl ---------------------------------------------------------------------------
 349 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
 350 dnl -----------
 351 dnl Add one or more libraries, used to enforce consistency.  Libraries are
 352 dnl prepended to an existing list, since their dependencies are assumed to
 353 dnl already exist in the list.
 354 dnl
 355 dnl $1 = libraries to add, with the "-l", etc.
 356 dnl $2 = variable to update (default $LIBS)
 357 AC_DEFUN([CF_ADD_LIBS],[
 358 cf_add_libs="$1"
 359 # Filter out duplicates - this happens with badly-designed ".pc" files...
 360 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
 361 do
 362         for cf_add_2lib in $cf_add_libs
 363         do
 364                 if test "x$cf_add_1lib" = "x$cf_add_2lib"
 365                 then
 366                         cf_add_1lib=
 367                         break
 368                 fi
 369         done
 370         test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
 371 done
 372 ifelse($2,,LIBS,[$2])="$cf_add_libs"
 373 ])dnl
 374 dnl ---------------------------------------------------------------------------
 375 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
 376 dnl ------------------
 377 dnl Append to a search-list for a nonstandard header/lib-file
 378 dnl     $1 = the variable to return as result
 379 dnl     $2 = the package name
 380 dnl     $3 = the subdirectory, e.g., bin, include or lib
 381 dnl $4 = the directory under which we will test for subdirectories
 382 dnl $5 = a directory that we do not want $4 to match
 383 AC_DEFUN([CF_ADD_SUBDIR_PATH],
 384 [
 385 test "x$4" != "x$5" && \
 386 test -d "$4" && \
 387 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
 388         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
 389         test -d $4/$3 &&          $1="[$]$1 $4/$3"
 390         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
 391         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
 392         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
 393         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
 394 }
 395 ])dnl
 396 dnl ---------------------------------------------------------------------------
 397 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 398 dnl --------------
 399 dnl Allow user to disable a normally-on option.
 400 AC_DEFUN([CF_ARG_DISABLE],
 401 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 402 dnl ---------------------------------------------------------------------------
 403 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
 404 dnl -------------
 405 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 406 dnl values.
 407 dnl
 408 dnl Parameters:
 409 dnl $1 = option name
 410 dnl $2 = help-string
 411 dnl $3 = action to perform if option is not default
 412 dnl $4 = action if perform if option is default
 413 dnl $5 = default option value (either 'yes' or 'no')
 414 AC_DEFUN([CF_ARG_OPTION],
 415 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 416         if test "$enableval" != "$5" ; then
 417 ifelse([$3],,[    :]dnl
 418 ,[    $3]) ifelse([$4],,,[
 419         else
 420                 $4])
 421         fi],[enableval=$5 ifelse([$4],,,[
 422         $4
 423 ])dnl
 424 ])])dnl
 425 dnl ---------------------------------------------------------------------------
 426 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
 427 dnl -----------
 428 dnl Check for suitable "ar" (archiver) options for updating an archive.
 429 AC_DEFUN([CF_AR_FLAGS],[
 430 AC_REQUIRE([CF_PROG_AR])
 431
 432 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 433         cf_cv_ar_flags=unknown
 434         for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
 435         do
 436
 437                 # check if $ARFLAGS already contains this choice
 438                 if test "x$ARFLAGS" != "x" ; then
 439                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 440                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 441                                 cf_cv_ar_flags=
 442                                 break
 443                         fi
 444                 fi
 445
 446                 rm -f conftest.$ac_cv_objext
 447                 rm -f conftest.a
 448
 449                 cat >conftest.$ac_ext <<EOF
 450 #line __oline__ "configure"
 451 int     testdata[[3]] = { 123, 456, 789 };
 452 EOF
 453                 if AC_TRY_EVAL(ac_compile) ; then
 454                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 455                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
 456                         if test -f conftest.a ; then
 457                                 cf_cv_ar_flags=$cf_ar_flags
 458                                 break
 459                         fi
 460                 else
 461                         CF_VERBOSE(cannot compile test-program)
 462                         break
 463                 fi
 464         done
 465         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 466 ])
 467
 468 if test -n "$ARFLAGS" ; then
 469         if test -n "$cf_cv_ar_flags" ; then
 470                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 471         fi
 472 else
 473         ARFLAGS=$cf_cv_ar_flags
 474 fi
 475
 476 AC_SUBST(ARFLAGS)
 477 ])
 478 dnl ---------------------------------------------------------------------------
 479 dnl CF_AWK_BIG_PRINTF version: 5 updated: 2015/04/17 21:13:04
 480 dnl -----------------
 481 dnl Check if awk can handle big strings using printf.  Some older versions of
 482 dnl awk choke on large strings passed via "%s".
 483 dnl
 484 dnl $1 = desired string size
 485 dnl $2 = variable to set with result
 486 AC_DEFUN([CF_AWK_BIG_PRINTF],
 487 [
 488         case x$AWK in
 489         (x)
 490                 eval $2=no
 491                 ;;
 492         (*)
 493                 if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \
 494                         | $AWK '{ printf "%d\n", length([$]0); }' 2>/dev/null | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then
 495                         eval $2=yes
 496                 else
 497                         eval $2=no
 498                 fi
 499                 ;;
 500         esac
 501 ])dnl
 502 dnl ---------------------------------------------------------------------------
 503 dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
 504 dnl ------------
 505 dnl Test if 'bool' is a builtin type in the configured C++ compiler.  Some
 506 dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
 507 dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
 508 dnl
 509 dnl Treat the configuration-variable specially here, since we're directly
 510 dnl substituting its value (i.e., 1/0).
 511 dnl
 512 dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
 513 AC_DEFUN([CF_BOOL_DECL],
 514 [
 515 AC_MSG_CHECKING(if we should include stdbool.h)
 516
 517 AC_CACHE_VAL(cf_cv_header_stdbool_h,[
 518         AC_TRY_COMPILE([],[bool foo = false],
 519                 [cf_cv_header_stdbool_h=0],
 520                 [AC_TRY_COMPILE([
 521 #ifndef __BEOS__
 522 #include <stdbool.h>
 523 #endif
 524 ],[bool foo = false],
 525                         [cf_cv_header_stdbool_h=1],
 526                         [cf_cv_header_stdbool_h=0])])])
 527
 528 if test "$cf_cv_header_stdbool_h" = 1
 529 then    AC_MSG_RESULT(yes)
 530 else    AC_MSG_RESULT(no)
 531 fi
 532
 533 AC_MSG_CHECKING([for builtin bool type])
 534
 535 AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
 536         AC_TRY_COMPILE([
 537 #include <stdio.h>
 538 #include <sys/types.h>
 539 ],[bool x = false],
 540                 [ifelse($1,,cf_cv_builtin_bool,[$1])=1],
 541                 [ifelse($1,,cf_cv_builtin_bool,[$1])=0])
 542         ])
 543
 544 if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
 545 then    AC_MSG_RESULT(yes)
 546 else    AC_MSG_RESULT(no)
 547 fi
 548 ])dnl
 549 dnl ---------------------------------------------------------------------------
 550 dnl CF_BOOL_SIZE version: 14 updated: 2015/04/17 21:13:04
 551 dnl ------------
 552 dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
 553 dnl Don't bother looking for bool.h, since it's been deprecated.
 554 dnl
 555 dnl If the current compiler is C rather than C++, we get the bool definition
 556 dnl from <stdbool.h>.
 557 AC_DEFUN([CF_BOOL_SIZE],
 558 [
 559 AC_MSG_CHECKING([for size of bool])
 560 AC_CACHE_VAL(cf_cv_type_of_bool,[
 561         rm -f cf_test.out
 562         AC_TRY_RUN([
 563 #include <stdlib.h>
 564 #include <stdio.h>
 565
 566 #if defined(__cplusplus)
 567
 568 #ifdef HAVE_GXX_BUILTIN_H
 569 #include <g++/builtin.h>
 570 #elif HAVE_GPP_BUILTIN_H
 571 #include <gpp/builtin.h>
 572 #elif HAVE_BUILTIN_H
 573 #include <builtin.h>
 574 #endif
 575
 576 #else
 577
 578 #if $cf_cv_header_stdbool_h
 579 #include <stdbool.h>
 580 #endif
 581
 582 #endif
 583
 584 int main()
 585 {
 586         FILE *fp = fopen("cf_test.out", "w");
 587         if (fp != 0) {
 588                 bool x = true;
 589                 if ((bool)(-x) >= 0)
 590                         fputs("unsigned ", fp);
 591                 if (sizeof(x) == sizeof(int))       fputs("int",  fp);
 592                 else if (sizeof(x) == sizeof(char)) fputs("char", fp);
 593                 else if (sizeof(x) == sizeof(short))fputs("short",fp);
 594                 else if (sizeof(x) == sizeof(long)) fputs("long", fp);
 595                 fclose(fp);
 596         }
 597         ${cf_cv_main_return:-return}(0);
 598 }
 599                 ],
 600                 [cf_cv_type_of_bool=`cat cf_test.out`
 601                  if test -z "$cf_cv_type_of_bool"; then
 602                    cf_cv_type_of_bool=unknown
 603                  fi],
 604                 [cf_cv_type_of_bool=unknown],
 605                 [cf_cv_type_of_bool=unknown])
 606         ])
 607         rm -f cf_test.out
 608 AC_MSG_RESULT($cf_cv_type_of_bool)
 609 if test "$cf_cv_type_of_bool" = unknown ; then
 610         case .$NCURSES_BOOL in
 611         (.auto|.) NCURSES_BOOL=unsigned;;
 612         esac
 613         AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
 614         cf_cv_type_of_bool=$NCURSES_BOOL
 615 fi
 616 ])dnl
 617 dnl ---------------------------------------------------------------------------
 618 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
 619 dnl -----------
 620 dnl If we're cross-compiling, allow the user to override the tools and their
 621 dnl options.  The configure script is oriented toward identifying the host
 622 dnl compiler, etc., but we need a build compiler to generate parts of the
 623 dnl source.
 624 dnl
 625 dnl $1 = default for $CPPFLAGS
 626 dnl $2 = default for $LIBS
 627 AC_DEFUN([CF_BUILD_CC],[
 628 CF_ACVERSION_CHECK(2.52,,
 629         [AC_REQUIRE([CF_PROG_EXT])])
 630 if test "$cross_compiling" = yes ; then
 631
 632         # defaults that we might want to override
 633         : ${BUILD_CFLAGS:=''}
 634         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 635         : ${BUILD_LDFLAGS:=''}
 636         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 637         : ${BUILD_EXEEXT:='$x'}
 638         : ${BUILD_OBJEXT:='o'}
 639
 640         AC_ARG_WITH(build-cc,
 641                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 642                 [BUILD_CC="$withval"],
 643                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
 644         AC_MSG_CHECKING(for native build C compiler)
 645         AC_MSG_RESULT($BUILD_CC)
 646
 647         AC_MSG_CHECKING(for native build C preprocessor)
 648         AC_ARG_WITH(build-cpp,
 649                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 650                 [BUILD_CPP="$withval"],
 651                 [BUILD_CPP='${BUILD_CC} -E'])
 652         AC_MSG_RESULT($BUILD_CPP)
 653
 654         AC_MSG_CHECKING(for native build C flags)
 655         AC_ARG_WITH(build-cflags,
 656                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 657                 [BUILD_CFLAGS="$withval"])
 658         AC_MSG_RESULT($BUILD_CFLAGS)
 659
 660         AC_MSG_CHECKING(for native build C preprocessor-flags)
 661         AC_ARG_WITH(build-cppflags,
 662                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 663                 [BUILD_CPPFLAGS="$withval"])
 664         AC_MSG_RESULT($BUILD_CPPFLAGS)
 665
 666         AC_MSG_CHECKING(for native build linker-flags)
 667         AC_ARG_WITH(build-ldflags,
 668                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 669                 [BUILD_LDFLAGS="$withval"])
 670         AC_MSG_RESULT($BUILD_LDFLAGS)
 671
 672         AC_MSG_CHECKING(for native build linker-libraries)
 673         AC_ARG_WITH(build-libs,
 674                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 675                 [BUILD_LIBS="$withval"])
 676         AC_MSG_RESULT($BUILD_LIBS)
 677
 678         # this assumes we're on Unix.
 679         BUILD_EXEEXT=
 680         BUILD_OBJEXT=o
 681
 682         : ${BUILD_CC:='${CC}'}
 683
 684         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
 685                 AC_MSG_ERROR([Cross-build requires two compilers.
 686 Use --with-build-cc to specify the native compiler.])
 687         fi
 688
 689 else
 690         : ${BUILD_CC:='${CC}'}
 691         : ${BUILD_CPP:='${CPP}'}
 692         : ${BUILD_CFLAGS:='${CFLAGS}'}
 693         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 694         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 695         : ${BUILD_LIBS:='${LIBS}'}
 696         : ${BUILD_EXEEXT:='$x'}
 697         : ${BUILD_OBJEXT:='o'}
 698 fi
 699
 700 AC_SUBST(BUILD_CC)
 701 AC_SUBST(BUILD_CPP)
 702 AC_SUBST(BUILD_CFLAGS)
 703 AC_SUBST(BUILD_CPPFLAGS)
 704 AC_SUBST(BUILD_LDFLAGS)
 705 AC_SUBST(BUILD_LIBS)
 706 AC_SUBST(BUILD_EXEEXT)
 707 AC_SUBST(BUILD_OBJEXT)
 708 ])dnl
 709 dnl ---------------------------------------------------------------------------
 710 dnl CF_CC_ENV_FLAGS version: 2 updated: 2015/04/12 15:39:00
 711 dnl ---------------
 712 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 713 dnl into CC.  This will not help with broken scripts that wrap the compiler with
 714 dnl options, but eliminates a more common category of user confusion.
 715 AC_DEFUN([CF_CC_ENV_FLAGS],
 716 [
 717 # This should have been defined by AC_PROG_CC
 718 : ${CC:=cc}
 719
 720 AC_MSG_CHECKING(\$CC variable)
 721 case "$CC" in
 722 (*[[\ \ ]]-[[IUD]]*)
 723         AC_MSG_RESULT(broken)
 724         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
 725         # humor him...
 726         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
 727         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
 728         CF_ADD_CFLAGS($cf_flags)
 729         ;;
 730 (*)
 731         AC_MSG_RESULT(ok)
 732         ;;
 733 esac
 734 ])dnl
 735 dnl ---------------------------------------------------------------------------
 736 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
 737 dnl ---------------
 738 dnl Determine the default configuration into which we'll install ncurses.  This
 739 dnl can be overridden by the user's command-line options.  There's two items to
 740 dnl look for:
 741 dnl     1. the prefix (e.g., /usr)
 742 dnl     2. the header files (e.g., /usr/include/ncurses)
 743 dnl We'll look for a previous installation of ncurses and use the same defaults.
 744 dnl
 745 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 746 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 747 dnl programs from a vendor's.
 748 AC_DEFUN([CF_CFG_DEFAULTS],
 749 [
 750 AC_MSG_CHECKING(for prefix)
 751 if test "x$prefix" = "xNONE" ; then
 752         case "$cf_cv_system_name" in
 753                 # non-vendor systems don't have a conflict
 754         (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
 755                 prefix=/usr
 756                 ;;
 757         (*)     prefix=$ac_default_prefix
 758                 ;;
 759         esac
 760 fi
 761 AC_MSG_RESULT($prefix)
 762
 763 if test "x$prefix" = "xNONE" ; then
 764 AC_MSG_CHECKING(for default include-directory)
 765 test -n "$verbose" && echo 1>&AC_FD_MSG
 766 for cf_symbol in \
 767         $includedir \
 768         $includedir/ncurses \
 769         $prefix/include \
 770         $prefix/include/ncurses \
 771         /usr/local/include \
 772         /usr/local/include/ncurses \
 773         /usr/include \
 774         /usr/include/ncurses
 775 do
 776         cf_dir=`eval echo $cf_symbol`
 777         if test -f $cf_dir/curses.h ; then
 778         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
 779                 includedir="$cf_symbol"
 780                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
 781                 break
 782         fi
 783         fi
 784         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 785 done
 786 AC_MSG_RESULT($includedir)
 787 fi
 788 ])dnl
 789 dnl ---------------------------------------------------------------------------
 790 dnl CF_CGETENT version: 5 updated: 2012/10/06 17:56:13
 791 dnl ----------
 792 dnl Check if the terminal-capability database functions are available.  If not,
 793 dnl ncurses has a much-reduced version.
 794 AC_DEFUN([CF_CGETENT],[
 795 AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[
 796 AC_TRY_LINK([
 797 #include <stdlib.h>],[
 798         char temp[128];
 799         char *buf = temp;
 800         char *db_array = temp;
 801         cgetent(&buf, &db_array, "vt100");
 802         cgetcap(buf, "tc", '=');
 803         cgetmatch(buf, "tc");
 804         ],
 805         [cf_cv_cgetent=yes],
 806         [cf_cv_cgetent=no])
 807 ])
 808
 809 if test "$cf_cv_cgetent" = yes
 810 then
 811         AC_DEFINE(HAVE_BSD_CGETENT,1,[Define to 1 if we have BSD cgetent])
 812 AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[
 813 AC_TRY_LINK([
 814 #include <stdlib.h>],[
 815         char temp[128];
 816         char *buf = temp;
 817 #ifndef _NETBSD_SOURCE                  /* given, since April 2004 in stdlib.h */
 818         const char *db_array = temp;
 819         cgetent(&buf, &db_array, "vt100");
 820 #endif
 821         cgetcap(buf, "tc", '=');
 822         cgetmatch(buf, "tc");
 823         ],
 824         [cf_cv_cgetent_const=yes],
 825         [cf_cv_cgetent_const=no])
 826 ])
 827         if test "$cf_cv_cgetent_const" = yes
 828         then
 829                 AC_DEFINE_UNQUOTED(CGETENT_CONST,const,[Define to const if needed for some BSD cgetent variations])
 830         fi
 831 fi
 832 ])dnl
 833 dnl ---------------------------------------------------------------------------
 834 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
 835 dnl --------------
 836 dnl Check if we're accidentally using a cache from a different machine.
 837 dnl Derive the system name, as a check for reusing the autoconf cache.
 838 dnl
 839 dnl If we've packaged config.guess and config.sub, run that (since it does a
 840 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 841 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 842 dnl which is useful in cross-compiles.
 843 dnl
 844 dnl Note: we would use $ac_config_sub, but that is one of the places where
 845 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 846 AC_DEFUN([CF_CHECK_CACHE],
 847 [
 848 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
 849         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 850         system_name="$host_os"
 851 else
 852         system_name="`(uname -s -r) 2>/dev/null`"
 853         if test -z "$system_name" ; then
 854                 system_name="`(hostname) 2>/dev/null`"
 855         fi
 856 fi
 857 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
 858 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 859
 860 test -z "$system_name" && system_name="$cf_cv_system_name"
 861 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 862
 863 if test ".$system_name" != ".$cf_cv_system_name" ; then
 864         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 865         AC_MSG_ERROR("Please remove config.cache and try again.")
 866 fi
 867 ])dnl
 868 dnl ---------------------------------------------------------------------------
 869 dnl CF_CHECK_ERRNO version: 12 updated: 2015/04/18 08:56:57
 870 dnl --------------
 871 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
 872 dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
 873 dnl ourselves.
 874 dnl
 875 dnl $1 = the name to check
 876 dnl $2 = the assumed type
 877 AC_DEFUN([CF_CHECK_ERRNO],
 878 [
 879 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
 880         AC_TRY_COMPILE([
 881 #ifdef HAVE_STDLIB_H
 882 #include <stdlib.h>
 883 #endif
 884 #include <stdio.h>
 885 #include <sys/types.h>
 886 #include <errno.h> ],
 887         ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
 888         [cf_cv_dcl_$1=yes],
 889         [cf_cv_dcl_$1=no])
 890 ])
 891
 892 if test "$cf_cv_dcl_$1" = no ; then
 893         CF_UPPER(cf_result,decl_$1)
 894         AC_DEFINE_UNQUOTED($cf_result)
 895 fi
 896
 897 # It's possible (for near-UNIX clones) that the data doesn't exist
 898 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
 899 ])dnl
 900 dnl ---------------------------------------------------------------------------
 901 dnl CF_CHECK_EXTERN_DATA version: 4 updated: 2015/04/18 08:56:57
 902 dnl --------------------
 903 dnl Check for existence of external data in the current set of libraries.  If
 904 dnl we can modify it, it's real enough.
 905 dnl $1 = the name to check
 906 dnl $2 = its type
 907 AC_DEFUN([CF_CHECK_EXTERN_DATA],
 908 [
 909 AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
 910         AC_TRY_LINK([
 911 #undef $1
 912 extern $2 $1;
 913 ],
 914         [$1 = 2],
 915         [cf_cv_have_$1=yes],
 916         [cf_cv_have_$1=no])
 917 ])
 918
 919 if test "$cf_cv_have_$1" = yes ; then
 920         CF_UPPER(cf_result,have_$1)
 921         AC_DEFINE_UNQUOTED($cf_result)
 922 fi
 923
 924 ])dnl
 925 dnl ---------------------------------------------------------------------------
 926 dnl CF_CHECK_GPM_WGETCH version: 2 updated: 2010/08/14 18:25:37
 927 dnl -------------------
 928 dnl Check if GPM is already linked with curses.  If so - and if the linkage
 929 dnl is not "weak" - warn about this because it can create problems linking
 930 dnl applications with ncurses.
 931 AC_DEFUN([CF_CHECK_GPM_WGETCH],[
 932 AC_CHECK_LIB(gpm,Gpm_Wgetch,[
 933
 934 AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
 935 cf_cv_check_gpm_wgetch=unknown
 936 if test "$cross_compiling" != yes ; then
 937
 938 cat >conftest.$ac_ext <<CF_EOF
 939 #include <gpm.h>
 940 int main()
 941 {
 942         Gpm_Wgetch();
 943         ${cf_cv_main_return:-return}(0);
 944 }
 945 CF_EOF
 946
 947         cf_save_LIBS="$LIBS"
 948         # This only works if we can look at the symbol table.  If a shared
 949         # library is stripped for install, we cannot use that.  So we're forced
 950         # to rely on the static library, noting that some packagers may not
 951         # include it.
 952         LIBS="-static -lgpm -dynamic $LIBS"
 953         if AC_TRY_EVAL(ac_compile) ; then
 954                 if AC_TRY_EVAL(ac_link) ; then
 955                         cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
 956                         test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
 957                         test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
 958                 fi
 959         fi
 960         rm -rf conftest*
 961         LIBS="$cf_save_LIBS"
 962 fi
 963 ])
 964
 965 if test "$cf_cv_check_gpm_wgetch" != yes ; then
 966         AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
 967 fi
 968 ])])dnl
 969 dnl ---------------------------------------------------------------------------
 970 dnl CF_CHECK_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
 971 dnl ------------------------
 972 dnl Show the version of libtool
 973 dnl
 974 dnl Save the version in a cache variable - this is not entirely a good thing,
 975 dnl but the version string from libtool is very ugly, and for bug reports it
 976 dnl might be useful to have the original string.
 977 AC_DEFUN([CF_CHECK_LIBTOOL_VERSION],[
 978 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
 979 then
 980         AC_MSG_CHECKING(version of $LIBTOOL)
 981         CF_LIBTOOL_VERSION
 982         AC_MSG_RESULT($cf_cv_libtool_version)
 983         if test -z "$cf_cv_libtool_version" ; then
 984                 AC_MSG_ERROR(This is not GNU libtool)
 985         fi
 986 else
 987         AC_MSG_ERROR(GNU libtool has not been found)
 988 fi
 989 ])dnl
 990 dnl ---------------------------------------------------------------------------
 991 dnl CF_CHECK_WCHAR_H version: 1 updated: 2011/10/29 15:01:05
 992 dnl ----------------
 993 dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
 994 AC_DEFUN([CF_CHECK_WCHAR_H],[
 995 AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[
 996 AC_TRY_COMPILE(
 997 [
 998 #include <stdlib.h>
 999 #include <wchar.h>
1000 ],[
1001         wint_t foo = 0;
1002         int bar = iswpunct(foo)],
1003         [cf_cv_wchar_h_okay=yes],
1004         [cf_cv_wchar_h_okay=no])])
1005
1006 if test $cf_cv_wchar_h_okay = no
1007 then
1008         CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
1009 fi
1010 ])dnl
1011 dnl ---------------------------------------------------------------------------
1012 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
1013 dnl -----------------
1014 dnl Check if the given compiler is really clang.  clang's C driver defines
1015 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
1016 dnl not ignore some gcc options.
1017 dnl
1018 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1019 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1020 dnl the wrappers for gcc and g++ warnings.
1021 dnl
1022 dnl $1 = GCC (default) or GXX
1023 dnl $2 = CLANG_COMPILER (default)
1024 dnl $3 = CFLAGS (default) or CXXFLAGS
1025 AC_DEFUN([CF_CLANG_COMPILER],[
1026 ifelse([$2],,CLANG_COMPILER,[$2])=no
1027
1028 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1029         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
1030         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1031         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
1032         AC_TRY_COMPILE([],[
1033 #ifdef __clang__
1034 #else
1035 make an error
1036 #endif
1037 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
1038 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
1039 ],[])
1040         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1041         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
1042 fi
1043 ])
1044 dnl ---------------------------------------------------------------------------
1045 dnl CF_CPP_PARAM_INIT version: 6 updated: 2012/10/06 17:56:13
1046 dnl -----------------
1047 dnl Check if the C++ compiler accepts duplicate parameter initialization.  This
1048 dnl is a late feature for the standard and is not in some recent compilers
1049 dnl (1999/9/11).
1050 AC_DEFUN([CF_CPP_PARAM_INIT],
1051 [
1052 if test -n "$CXX"; then
1053 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
1054         AC_LANG_SAVE
1055         AC_LANG_CPLUSPLUS
1056         AC_TRY_RUN([
1057 class TEST {
1058 private:
1059         int value;
1060 public:
1061         TEST(int x = 1);
1062         ~TEST();
1063 };
1064
1065 TEST::TEST(int x = 1)   // some compilers do not like second initializer
1066 {
1067         value = x;
1068 }
1069 int main() { }
1070 ],
1071         [cf_cv_cpp_param_init=yes],
1072         [cf_cv_cpp_param_init=no],
1073         [cf_cv_cpp_param_init=unknown])
1074         AC_LANG_RESTORE
1075 ])
1076 fi
1077 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT,1,[Define to 1 if C++ has parameter initialization])
1078 ])dnl
1079 dnl ---------------------------------------------------------------------------
1080 dnl CF_CPP_STATIC_CAST version: 3 updated: 2013/04/13 18:03:21
1081 dnl ------------------
1082 dnl Check if the C++ compiler accepts static_cast in generics.  This appears to
1083 dnl not be supported in g++ before 3.0
1084 AC_DEFUN([CF_CPP_STATIC_CAST],
1085 [
1086 if test -n "$CXX"; then
1087
1088 AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
1089         AC_LANG_SAVE
1090         AC_LANG_CPLUSPLUS
1091
1092         AC_TRY_COMPILE([
1093 class NCursesPanel
1094 {
1095 public:
1096   NCursesPanel(int nlines,
1097                int ncols,
1098                int begin_y = 0,
1099                int begin_x = 0)
1100   {
1101   }
1102   NCursesPanel();
1103   ~NCursesPanel();
1104 };
1105
1106 template<class T> class NCursesUserPanel : public NCursesPanel
1107 {
1108 public:
1109   NCursesUserPanel (int nlines,
1110                     int ncols,
1111                     int begin_y = 0,
1112                     int begin_x = 0,
1113                     const T* p_UserData = static_cast<T*>(0))
1114     : NCursesPanel (nlines, ncols, begin_y, begin_x)
1115   {
1116   };
1117   NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
1118   {
1119   };
1120
1121   virtual ~NCursesUserPanel() {};
1122 };
1123 ],[
1124         const char* p_UserData = static_cast<char*>(0)],
1125         [cf_cv_cpp_static_cast=yes],
1126         [cf_cv_cpp_static_cast=no])
1127
1128         AC_LANG_RESTORE
1129 ])
1130
1131 fi
1132
1133 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST,1,[Define to 1 if C++ has static_cast])
1134 ])dnl
1135 dnl ---------------------------------------------------------------------------
1136 dnl CF_CXX_AR_FLAGS version: 2 updated: 2015/04/17 21:13:04
1137 dnl ---------------
1138 dnl Setup special archiver flags for given compilers.
1139 AC_DEFUN([CF_CXX_AR_FLAGS],[
1140         CXX_AR='$(AR)'
1141         CXX_ARFLAGS='$(ARFLAGS)'
1142         case $cf_cv_system_name in
1143         (irix*)
1144             if test "$GXX" != yes ; then
1145                 CXX_AR='$(CXX)'
1146                 CXX_ARFLAGS='-ar -o'
1147             fi
1148             ;;
1149         (sco3.2v5*)
1150             CXXLDFLAGS="-u main"
1151             ;;
1152         (solaris2*)
1153             if test "$GXX" != yes ; then
1154                 CXX_AR='$(CXX)'
1155                 CXX_ARFLAGS='-xar -o'
1156             fi
1157             ;;
1158         esac
1159         AC_SUBST(CXXLDFLAGS)
1160         AC_SUBST(CXX_AR)
1161         AC_SUBST(CXX_ARFLAGS)
1162 ])dnl
1163 dnl ---------------------------------------------------------------------------
1164 dnl CF_CXX_IOSTREAM_NAMESPACE version: 2 updated: 2012/10/06 17:56:13
1165 dnl -------------------------
1166 dnl For c++, check if iostream uses "std::" namespace.
1167 AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[
1168 AC_CHECK_HEADERS(iostream)
1169 if test x"$ac_cv_header_iostream" = xyes ; then
1170         AC_MSG_CHECKING(if iostream uses std-namespace)
1171         AC_TRY_COMPILE([
1172 #include <iostream>
1173 using std::endl;
1174 using std::cerr;],[
1175 cerr << "testing" << endl;
1176 ],[cf_iostream_namespace=yes],[cf_iostream_namespace=no])
1177         AC_MSG_RESULT($cf_iostream_namespace)
1178         if test "$cf_iostream_namespace" = yes ; then
1179                 AC_DEFINE(IOSTREAM_NAMESPACE,1,[Define to 1 if C++ has namespace iostream])
1180         fi
1181 fi
1182 ])dnl
1183 dnl ---------------------------------------------------------------------------
1184 dnl CF_C_INLINE version: 5 updated: 2015/04/18 08:56:57
1185 dnl -----------
1186 dnl Check if the C compiler supports "inline".
1187 dnl $1 is the name of a shell variable to set if inline is supported
1188 dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
1189 AC_DEFUN([CF_C_INLINE],[
1190 AC_C_INLINE
1191 $1=
1192 if test "$ac_cv_c_inline" != no ; then
1193         $1=inline
1194         if test "$INTEL_COMPILER" = yes
1195         then
1196                 :
1197         elif test "$CLANG_COMPILER" = yes
1198         then
1199                 :
1200         elif test "$GCC" = yes
1201         then
1202                 AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
1203                 cf_save_CFLAGS=$CFLAGS
1204                 CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
1205                 AC_TRY_COMPILE([inline int foo(void) { return 1; }],
1206                 [${cf_cv_main_return:-return} foo()],
1207                 [cf_cv_gcc_inline=yes],
1208                 [cf_cv_gcc_inline=no])
1209                 CFLAGS=$cf_save_CFLAGS
1210                 ])
1211                 if test "$cf_cv_gcc_inline" = yes ; then
1212                         CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
1213                 fi
1214         fi
1215 fi
1216 AC_SUBST($1)
1217 ])dnl
1218 dnl ---------------------------------------------------------------------------
1219 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1220 dnl ----------
1221 dnl "dirname" is not portable, so we fake it with a shell script.
1222 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1223 dnl ---------------------------------------------------------------------------
1224 dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
1225 dnl ---------------
1226 AC_DEFUN([CF_DIRS_TO_MAKE],
1227 [
1228 DIRS_TO_MAKE="lib"
1229 for cf_item in $cf_list_models
1230 do
1231         CF_OBJ_SUBDIR($cf_item,cf_subdir)
1232         for cf_item2 in $DIRS_TO_MAKE
1233         do
1234                 test $cf_item2 = $cf_subdir && break
1235         done
1236         test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
1237 done
1238 for cf_dir in $DIRS_TO_MAKE
1239 do
1240         test ! -d $cf_dir && mkdir $cf_dir
1241 done
1242 AC_SUBST(DIRS_TO_MAKE)
1243 ])dnl
1244 dnl ---------------------------------------------------------------------------
1245 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
1246 dnl ---------------
1247 dnl You can always use "make -n" to see the actual options, but it's hard to
1248 dnl pick out/analyze warning messages when the compile-line is long.
1249 dnl
1250 dnl Sets:
1251 dnl     ECHO_LT - symbol to control if libtool is verbose
1252 dnl     ECHO_LD - symbol to prefix "cc -o" lines
1253 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1254 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
1255 dnl     ECHO_CC - symbol to put before any "cc" line
1256 dnl
1257 AC_DEFUN([CF_DISABLE_ECHO],[
1258 AC_MSG_CHECKING(if you want to see long compiling messages)
1259 CF_ARG_DISABLE(echo,
1260         [  --disable-echo          do not display "compiling" commands],
1261         [
1262         ECHO_LT='--silent'
1263         ECHO_LD='@echo linking [$]@;'
1264         RULE_CC='@echo compiling [$]<'
1265         SHOW_CC='@echo compiling [$]@'
1266         ECHO_CC='@'
1267 ],[
1268         ECHO_LT=''
1269         ECHO_LD=''
1270         RULE_CC=''
1271         SHOW_CC=''
1272         ECHO_CC=''
1273 ])
1274 AC_MSG_RESULT($enableval)
1275 AC_SUBST(ECHO_LT)
1276 AC_SUBST(ECHO_LD)
1277 AC_SUBST(RULE_CC)
1278 AC_SUBST(SHOW_CC)
1279 AC_SUBST(ECHO_CC)
1280 ])dnl
1281 dnl ---------------------------------------------------------------------------
1282 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
1283 dnl ------------------------
1284 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
1285 AC_MSG_CHECKING(if we want to use GNAT projects)
1286 CF_ARG_DISABLE(gnat-projects,
1287         [  --disable-gnat-projects test: disable GNAT projects even if usable],
1288         [enable_gnat_projects=no],
1289         [enable_gnat_projects=yes])
1290 AC_MSG_RESULT($enable_gnat_projects)
1291 ])dnl
1292 dnl ---------------------------------------------------------------------------
1293 dnl CF_DISABLE_LEAKS version: 7 updated: 2012/10/02 20:55:03
1294 dnl ----------------
1295 dnl Combine no-leak checks with the libraries or tools that are used for the
1296 dnl checks.
1297 AC_DEFUN([CF_DISABLE_LEAKS],[
1298
1299 AC_REQUIRE([CF_WITH_DMALLOC])
1300 AC_REQUIRE([CF_WITH_DBMALLOC])
1301 AC_REQUIRE([CF_WITH_VALGRIND])
1302
1303 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1304 AC_ARG_ENABLE(leaks,
1305         [  --disable-leaks         test: free permanent memory, analyze leaks],
1306         [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1307         : ${with_no_leaks:=no})
1308 AC_MSG_RESULT($with_no_leaks)
1309
1310 if test "$with_no_leaks" = yes ; then
1311         AC_DEFINE(NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1312         AC_DEFINE(YY_NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1313 fi
1314 ])dnl
1315 dnl ---------------------------------------------------------------------------
1316 dnl CF_DISABLE_LIBTOOL_VERSION version: 3 updated: 2015/04/17 21:13:04
1317 dnl --------------------------
1318 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1319 dnl the older "-version-info" feature.  The newer feature allows us to use
1320 dnl version numbering on shared libraries which make them compatible with
1321 dnl various systems.
1322 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1323 [
1324 AC_MSG_CHECKING(if libtool -version-number should be used)
1325 CF_ARG_DISABLE(libtool-version,
1326         [  --disable-libtool-version  enable to use libtool's incompatible naming scheme],
1327         [cf_libtool_version=no],
1328         [cf_libtool_version=yes])
1329 AC_MSG_RESULT($cf_libtool_version)
1330
1331 if test "$cf_libtool_version" = yes ; then
1332         LIBTOOL_VERSION="-version-number"
1333 else
1334         LIBTOOL_VERSION="-version-info"
1335         case "x$VERSION" in
1336         (x)
1337                 AC_MSG_WARN(VERSION was not set)
1338                 ;;
1339         (x*.*.*)
1340                 ABI_VERSION="$VERSION"
1341                 CF_VERBOSE(ABI_VERSION: $ABI_VERSION)
1342                 ;;
1343         (x*:*:*)
1344                 ABI_VERSION=`echo "$VERSION" | sed -e 's/:/./g'`
1345                 CF_VERBOSE(ABI_VERSION: $ABI_VERSION)
1346                 ;;
1347         (*)
1348                 AC_MSG_WARN(unexpected VERSION value: $VERSION)
1349                 ;;
1350         esac
1351 fi
1352
1353 AC_SUBST(ABI_VERSION)
1354 AC_SUBST(LIBTOOL_VERSION)
1355 ])dnl
1356 dnl ---------------------------------------------------------------------------
1357 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1358 dnl ---------------------
1359 dnl The rpath-hack makes it simpler to build programs, particularly with the
1360 dnl *BSD ports which may have essential libraries in unusual places.  But it
1361 dnl can interfere with building an executable for the base system.  Use this
1362 dnl option in that case.
1363 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1364 [
1365 AC_MSG_CHECKING(if rpath-hack should be disabled)
1366 CF_ARG_DISABLE(rpath-hack,
1367         [  --disable-rpath-hack    don't add rpath options for additional libraries],
1368         [cf_disable_rpath_hack=yes],
1369         [cf_disable_rpath_hack=no])
1370 AC_MSG_RESULT($cf_disable_rpath_hack)
1371 if test "$cf_disable_rpath_hack" = no ; then
1372         CF_RPATH_HACK
1373 fi
1374 ])
1375 dnl ---------------------------------------------------------------------------
1376 dnl CF_ENABLE_PC_FILES version: 12 updated: 2015/04/17 21:13:04
1377 dnl ------------------
1378 dnl This is the "--enable-pc-files" option, which is available if there is a
1379 dnl pkg-config configuration on the local machine.
1380 AC_DEFUN([CF_ENABLE_PC_FILES],[
1381 AC_REQUIRE([CF_PKG_CONFIG])
1382 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1383
1384 if test "x$PKG_CONFIG" != xnone
1385 then
1386         AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
1387 else
1388         AC_MSG_CHECKING(if we should install .pc files)
1389 fi
1390
1391 AC_ARG_ENABLE(pc-files,
1392         [  --enable-pc-files       generate and install .pc files for pkg-config],
1393         [enable_pc_files=$enableval],
1394         [enable_pc_files=no])
1395 AC_MSG_RESULT($enable_pc_files)
1396
1397 if test "x$enable_pc_files" != xno
1398 then
1399         case "x$PKG_CONFIG_LIBDIR" in
1400         (xno|xyes)
1401                 AC_MSG_WARN(no PKG_CONFIG_LIBDIR was found)
1402                 MAKE_PC_FILES="#"
1403                 ;;
1404         (*)
1405                 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
1406                 MAKE_PC_FILES=
1407                 ;;
1408         esac
1409 else
1410         MAKE_PC_FILES="#"
1411 fi
1412 AC_SUBST(MAKE_PC_FILES)
1413 ])dnl
1414 dnl ---------------------------------------------------------------------------
1415 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
1416 dnl ---------------
1417 dnl Check if the rpath option should be used, setting cache variable
1418 dnl cf_cv_enable_rpath if so.
1419 AC_DEFUN([CF_ENABLE_RPATH],
1420 [
1421 AC_MSG_CHECKING(if rpath option should be used)
1422 AC_ARG_ENABLE(rpath,
1423 [  --enable-rpath          use rpath option when generating shared libraries],
1424 [cf_cv_enable_rpath=$enableval],
1425 [cf_cv_enable_rpath=no])
1426 AC_MSG_RESULT($cf_cv_enable_rpath)
1427 ])dnl
1428 dnl ---------------------------------------------------------------------------
1429 dnl CF_ENABLE_STRING_HACKS version: 3 updated: 2013/01/26 16:26:12
1430 dnl ----------------------
1431 dnl On a few platforms, the compiler and/or loader nags with untruthful
1432 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
1433 dnl and implying that most uses of the recommended alternatives are correct.
1434 dnl
1435 dnl Factually speaking, no one has actually counted the number of uses of these
1436 dnl functions versus the total of incorrect uses.  Samples of a few thousand
1437 dnl instances are meaningless compared to the hundreds of millions of lines of
1438 dnl existing C code.
1439 dnl
1440 dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
1441 dnl platforms, in implementations of varying quality.  Likewise, snprintf is
1442 dnl standard - but evolved through phases, and older implementations are likely
1443 dnl to yield surprising results, as documented in manpages on various systems.
1444 AC_DEFUN([CF_ENABLE_STRING_HACKS],
1445 [
1446 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
1447 AC_ARG_ENABLE(string-hacks,
1448         [  --enable-string-hacks   work around bogus compiler/loader warnings],
1449         [with_string_hacks=$enableval],
1450         [with_string_hacks=no])
1451 AC_MSG_RESULT($with_string_hacks)
1452
1453 if test "x$with_string_hacks" = "xyes"; then
1454         AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings])
1455         AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
1456         AC_CHECK_FUNCS( strlcat strlcpy snprintf )
1457 fi
1458 ])dnl
1459 dnl ---------------------------------------------------------------------------
1460 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
1461 dnl --------
1462 dnl Check if 'errno' is declared in <errno.h>
1463 AC_DEFUN([CF_ERRNO],
1464 [
1465 CF_CHECK_ERRNO(errno)
1466 ])dnl
1467 dnl ---------------------------------------------------------------------------
1468 dnl CF_ETIP_DEFINES version: 5 updated: 2012/02/18 17:51:07
1469 dnl ---------------
1470 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
1471 dnl math.h and builtin.h, only for ncurses
1472 AC_DEFUN([CF_ETIP_DEFINES],
1473 [
1474 AC_MSG_CHECKING(for special defines needed for etip.h)
1475 cf_save_CXXFLAGS="$CXXFLAGS"
1476 cf_result="none"
1477
1478 # etip.h includes ncurses.h which includes ncurses_dll.h
1479 # But ncurses_dll.h is generated - fix here.
1480 test -d include || mkdir include
1481 test -f include/ncurses_dll.h || sed -e 's/@NCURSES_WRAP_PREFIX@/'$NCURSES_WRAP_PREFIX'/g' ${srcdir}/include/ncurses_dll.h.in >include/ncurses_dll.h
1482
1483 for cf_math in "" MATH_H
1484 do
1485 for cf_excp in "" MATH_EXCEPTION
1486 do
1487         CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -Iinclude -I${srcdir}/include"
1488         test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
1489         test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
1490 AC_TRY_COMPILE([
1491 #include <etip.h.in>
1492 ],[],[
1493         test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
1494         test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
1495         cf_result="$cf_math $cf_excp"
1496         break 2
1497 ],[])
1498 done
1499 done
1500 AC_MSG_RESULT($cf_result)
1501 CXXFLAGS="$cf_save_CXXFLAGS"
1502 ])
1503 dnl ---------------------------------------------------------------------------
1504 dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57
1505 dnl ---------------
1506 dnl Find a library (specifically the linkage used in the code fragment),
1507 dnl searching for it if it is not already in the library path.
1508 dnl See also CF_ADD_SEARCHPATH.
1509 dnl
1510 dnl Parameters (4-on are optional):
1511 dnl     $1 = headers for library entrypoint
1512 dnl     $2 = code fragment for library entrypoint
1513 dnl     $3 = the library name without the "-l" option or ".so" suffix.
1514 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
1515 dnl     $5 = action to perform if not successful
1516 dnl     $6 = module name, if not the same as the library name
1517 dnl     $7 = extra libraries
1518 dnl
1519 dnl Sets these variables:
1520 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1521 dnl     $cf_cv_header_path_$3 - include-directory if needed
1522 dnl     $cf_cv_library_path_$3 - library-directory if needed
1523 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1524 AC_DEFUN([CF_FIND_LINKAGE],[
1525
1526 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1527 # will be set on completion of the AC_TRY_LINK below.
1528 cf_cv_header_path_$3=
1529 cf_cv_library_path_$3=
1530
1531 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1532
1533 cf_save_LIBS="$LIBS"
1534
1535 AC_TRY_LINK([$1],[$2],[
1536         cf_cv_find_linkage_$3=yes
1537         cf_cv_header_path_$3=/usr/include
1538         cf_cv_library_path_$3=/usr/lib
1539 ],[
1540
1541 LIBS="-l$3 $7 $cf_save_LIBS"
1542
1543 AC_TRY_LINK([$1],[$2],[
1544         cf_cv_find_linkage_$3=yes
1545         cf_cv_header_path_$3=/usr/include
1546         cf_cv_library_path_$3=/usr/lib
1547         cf_cv_library_file_$3="-l$3"
1548 ],[
1549         cf_cv_find_linkage_$3=no
1550         LIBS="$cf_save_LIBS"
1551
1552         CF_VERBOSE(find linkage for $3 library)
1553         CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1554
1555         cf_save_CPPFLAGS="$CPPFLAGS"
1556         cf_test_CPPFLAGS="$CPPFLAGS"
1557
1558         CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1559         for cf_cv_header_path_$3 in $cf_search
1560         do
1561                 if test -d $cf_cv_header_path_$3 ; then
1562                         CF_VERBOSE(... testing $cf_cv_header_path_$3)
1563                         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1564                         AC_TRY_COMPILE([$1],[$2],[
1565                                 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1566                                 cf_cv_find_linkage_$3=maybe
1567                                 cf_test_CPPFLAGS="$CPPFLAGS"
1568                                 break],[
1569                                 CPPFLAGS="$cf_save_CPPFLAGS"
1570                                 ])
1571                 fi
1572         done
1573
1574         if test "$cf_cv_find_linkage_$3" = maybe ; then
1575
1576                 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1577
1578                 cf_save_LIBS="$LIBS"
1579                 cf_save_LDFLAGS="$LDFLAGS"
1580
1581                 ifelse([$6],,,[
1582                 CPPFLAGS="$cf_test_CPPFLAGS"
1583                 LIBS="-l$3 $7 $cf_save_LIBS"
1584                 AC_TRY_LINK([$1],[$2],[
1585                         CF_VERBOSE(... found $3 library in system)
1586                         cf_cv_find_linkage_$3=yes])
1587                         CPPFLAGS="$cf_save_CPPFLAGS"
1588                         LIBS="$cf_save_LIBS"
1589                         ])
1590
1591                 if test "$cf_cv_find_linkage_$3" != yes ; then
1592                         CF_LIBRARY_PATH(cf_search,$3)
1593                         for cf_cv_library_path_$3 in $cf_search
1594                         do
1595                                 if test -d $cf_cv_library_path_$3 ; then
1596                                         CF_VERBOSE(... testing $cf_cv_library_path_$3)
1597                                         CPPFLAGS="$cf_test_CPPFLAGS"
1598                                         LIBS="-l$3 $7 $cf_save_LIBS"
1599                                         LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1600                                         AC_TRY_LINK([$1],[$2],[
1601                                         CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1602                                         cf_cv_find_linkage_$3=yes
1603                                         cf_cv_library_file_$3="-l$3"
1604                                         break],[
1605                                         CPPFLAGS="$cf_save_CPPFLAGS"
1606                                         LIBS="$cf_save_LIBS"
1607                                         LDFLAGS="$cf_save_LDFLAGS"
1608                                         ])
1609                                 fi
1610                         done
1611                         CPPFLAGS="$cf_save_CPPFLAGS"
1612                         LDFLAGS="$cf_save_LDFLAGS"
1613                 fi
1614
1615         else
1616                 cf_cv_find_linkage_$3=no
1617         fi
1618         ],$7)
1619 ])
1620
1621 LIBS="$cf_save_LIBS"
1622
1623 if test "$cf_cv_find_linkage_$3" = yes ; then
1624 ifelse([$4],,[
1625         CF_ADD_INCDIR($cf_cv_header_path_$3)
1626         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1627         CF_ADD_LIB($3)
1628 ],[$4])
1629 else
1630 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1631 fi
1632 ])dnl
1633 dnl ---------------------------------------------------------------------------
1634 dnl CF_FIND_SUB_INCDIR version: 2 updated: 2015/04/17 21:13:04
1635 dnl ------------------
1636 dnl Find an include-directory with the given leaf-name.  This is useful for
1637 dnl example with FreeBSD ports, which use this convention to distinguish
1638 dnl different versions of the same port.
1639 AC_DEFUN([CF_FIND_SUB_INCDIR],[
1640         CF_SUBDIR_PATH(cf_search,$1,include)
1641         for cf_item in $cf_search
1642         do
1643                 case $cf_item in
1644                 (*/$1)
1645                         CF_ADD_INCDIR($cf_item)
1646                         ;;
1647                 esac
1648         done
1649 ])dnl
1650 dnl ---------------------------------------------------------------------------
1651 dnl CF_FIND_SUB_LIBDIR version: 2 updated: 2015/04/17 21:13:04
1652 dnl ------------------
1653 dnl Find a library-directory with the given leaf-name.  This is useful for
1654 dnl example with FreeBSD ports, which use this convention to distinguish
1655 dnl different versions of the same port.
1656 AC_DEFUN([CF_FIND_SUB_LIBDIR],[
1657         CF_SUBDIR_PATH(cf_search,$1,lib)
1658         for cf_item in $cf_search
1659         do
1660                 case $cf_item in
1661                 (*/$1)
1662                         CF_ADD_LIBDIR($cf_item)
1663                         ;;
1664                 esac
1665         done
1666 ])dnl
1667 dnl ---------------------------------------------------------------------------
1668 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
1669 dnl -----------------
1670 dnl make ADAFLAGS consistent with CFLAGS
1671 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1672         AC_MSG_CHECKING(optimization options for ADAFLAGS)
1673         case "$CFLAGS" in
1674         (*-g*)
1675                 CF_ADD_ADAFLAGS(-g)
1676                 ;;
1677         esac
1678         case "$CFLAGS" in
1679         (*-O*)
1680                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
1681                 CF_ADD_ADAFLAGS($cf_O_flag)
1682                 ;;
1683         esac
1684         AC_MSG_RESULT($ADAFLAGS)
1685 ])dnl
1686 dnl ---------------------------------------------------------------------------
1687 dnl CF_FORGET_TOOL version: 1 updated: 2013/04/06 18:03:09
1688 dnl --------------
1689 dnl Forget that we saw the given tool.
1690 AC_DEFUN([CF_FORGET_TOOL],[
1691 unset ac_cv_prog_ac_ct_$1
1692 unset ac_ct_$1
1693 unset $1
1694 ])dnl
1695 dnl ---------------------------------------------------------------------------
1696 dnl CF_FUNC_DLSYM version: 3 updated: 2012/10/06 11:17:15
1697 dnl -------------
1698 dnl Test for dlsym() and related functions, as well as libdl.
1699 dnl
1700 dnl Sets
1701 dnl     $cf_have_dlsym
1702 dnl     $cf_have_libdl
1703 AC_DEFUN([CF_FUNC_DLSYM],[
1704 cf_have_dlsym=no
1705 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
1706
1707 cf_have_libdl=no
1708 AC_CHECK_LIB(dl,dlsym,[
1709         cf_have_dlsym=yes
1710         cf_have_libdl=yes])])
1711
1712 if test "$cf_have_dlsym" = yes ; then
1713         test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
1714
1715         AC_MSG_CHECKING(whether able to link to dl*() functions)
1716         AC_TRY_LINK([#include <dlfcn.h>],[
1717                 void *obj;
1718                 if ((obj = dlopen("filename", 0)) != 0) {
1719                         if (dlsym(obj, "symbolname") == 0) {
1720                         dlclose(obj);
1721                         }
1722                 }],[
1723                 AC_DEFINE(HAVE_LIBDL,1,[Define to 1 if we have dl library])],[
1724                 AC_MSG_ERROR(Cannot link test program for libdl)])
1725         AC_MSG_RESULT(ok)
1726 else
1727         AC_MSG_ERROR(Cannot find dlsym function)
1728 fi
1729 ])
1730 dnl ---------------------------------------------------------------------------
1731 dnl CF_FUNC_MEMMOVE version: 8 updated: 2012/10/04 20:12:20
1732 dnl ---------------
1733 dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
1734 dnl is found, add our own version of memmove to the list of objects.
1735 AC_DEFUN([CF_FUNC_MEMMOVE],
1736 [
1737 AC_CHECK_FUNC(memmove,,[
1738 AC_CHECK_FUNC(bcopy,[
1739         AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
1740                 AC_TRY_RUN([
1741 int main() {
1742         static char data[] = "abcdefghijklmnopqrstuwwxyz";
1743         char temp[40];
1744         bcopy(data, temp, sizeof(data));
1745         bcopy(temp+10, temp, 15);
1746         bcopy(temp+5, temp+15, 10);
1747         ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
1748 }
1749                 ],
1750                 [cf_cv_good_bcopy=yes],
1751                 [cf_cv_good_bcopy=no],
1752                 [cf_cv_good_bcopy=unknown])
1753                 ])
1754         ],[cf_cv_good_bcopy=no])
1755         if test "$cf_cv_good_bcopy" = yes ; then
1756                 AC_DEFINE(USE_OK_BCOPY,1,[Define to 1 to use bcopy when memmove is unavailable])
1757         else
1758                 AC_DEFINE(USE_MY_MEMMOVE,1,[Define to 1 to use replacement function when memmove is unavailable])
1759         fi
1760 ])])dnl
1761 dnl ---------------------------------------------------------------------------
1762 dnl CF_FUNC_NANOSLEEP version: 4 updated: 2012/10/06 17:56:13
1763 dnl -----------------
1764 dnl Check for existence of workable nanosleep() function.  Some systems, e.g.,
1765 dnl AIX 4.x, provide a non-working version.
1766 AC_DEFUN([CF_FUNC_NANOSLEEP],[
1767 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
1768 AC_TRY_RUN([
1769 #include <stdio.h>
1770 #include <errno.h>
1771 #include <time.h>
1772
1773 #ifdef HAVE_SYS_TIME_H
1774 #include <sys/time.h>
1775 #endif
1776
1777 int main() {
1778         struct timespec ts1, ts2;
1779         int code;
1780         ts1.tv_sec  = 0;
1781         ts1.tv_nsec = 750000000;
1782         ts2.tv_sec  = 0;
1783         ts2.tv_nsec = 0;
1784         errno = 0;
1785         code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
1786         ${cf_cv_main_return:-return}(code != 0);
1787 }
1788 ],
1789         [cf_cv_func_nanosleep=yes],
1790         [cf_cv_func_nanosleep=no],
1791         [cf_cv_func_nanosleep=unknown])])
1792
1793 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP,1,[Define to 1 if we have nanosleep()])
1794 ])
1795 dnl ---------------------------------------------------------------------------
1796 dnl CF_FUNC_OPENPTY version: 4 updated: 2015/04/18 08:56:57
1797 dnl ---------------
1798 dnl Check for openpty() function, along with <pty.h> header.  It may need the
1799 dnl "util" library as well.
1800 AC_DEFUN([CF_FUNC_OPENPTY],
1801 [
1802 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
1803 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
1804         cf_save_LIBS="$LIBS"
1805         test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
1806         for cf_header in pty.h libutil.h util.h
1807         do
1808         AC_TRY_LINK([
1809 #include <$cf_header>
1810 ],[
1811         int x = openpty((int *)0, (int *)0, (char *)0,
1812                                    (struct termios *)0, (struct winsize *)0);
1813 ],[
1814                 cf_cv_func_openpty=$cf_header
1815                 break
1816 ],[
1817                 cf_cv_func_openpty=no
1818 ])
1819         done
1820         LIBS="$cf_save_LIBS"
1821 ])
1822 ])dnl
1823 dnl ---------------------------------------------------------------------------
1824 dnl CF_FUNC_POLL version: 8 updated: 2012/10/04 05:24:07
1825 dnl ------------
1826 dnl See if the poll function really works.  Some platforms have poll(), but
1827 dnl it does not work for terminals or files.
1828 AC_DEFUN([CF_FUNC_POLL],[
1829 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
1830 AC_TRY_RUN([
1831 #include <stdlib.h>
1832 #include <stdio.h>
1833 #include <unistd.h>
1834 #include <fcntl.h>
1835 #ifdef HAVE_POLL_H
1836 #include <poll.h>
1837 #else
1838 #include <sys/poll.h>
1839 #endif
1840 int main() {
1841         struct pollfd myfds;
1842         int ret;
1843
1844         /* check for Darwin bug with respect to "devices" */
1845         myfds.fd = open("/dev/null", 1);        /* O_WRONLY */
1846         if (myfds.fd < 0)
1847                 myfds.fd = 0;
1848         myfds.events = POLLIN;
1849         myfds.revents = 0;
1850
1851         ret = poll(&myfds, 1, 100);
1852
1853         if (ret < 0 || (myfds.revents & POLLNVAL)) {
1854                 ret = -1;
1855         } else {
1856                 int fd = 0;
1857                 if (!isatty(fd)) {
1858                         fd = open("/dev/tty", 2);       /* O_RDWR */
1859                 }
1860
1861                 if (fd >= 0) {
1862                         /* also check with standard input */
1863                         myfds.fd = fd;
1864                         myfds.events = POLLIN;
1865                         myfds.revents = 0;
1866                         ret = poll(&myfds, 1, 100);
1867                 } else {
1868                         ret = -1;
1869                 }
1870         }
1871         ${cf_cv_main_return:-return}(ret < 0);
1872 }],
1873         [cf_cv_working_poll=yes],
1874         [cf_cv_working_poll=no],
1875         [cf_cv_working_poll=unknown])])
1876 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL,1,[Define to 1 if the poll function seems to work])
1877 ])dnl
1878 dnl ---------------------------------------------------------------------------
1879 dnl CF_FUNC_TERMIOS version: 3 updated: 2012/10/06 17:56:13
1880 dnl ---------------
1881 dnl Some old/broken variations define tcgetattr() only as a macro in
1882 dnl termio(s).h
1883 AC_DEFUN([CF_FUNC_TERMIOS],[
1884 AC_REQUIRE([CF_STRUCT_TERMIOS])
1885 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
1886 AC_TRY_LINK([
1887 #include <sys/types.h>
1888 #ifdef HAVE_UNISTD_H
1889 #include <unistd.h>
1890 #endif
1891 #ifdef HAVE_TERMIOS_H
1892 #include <termios.h>
1893 #define TTY struct termios
1894 #else
1895 #ifdef HAVE_TERMIO_H
1896 #include <termio.h>
1897 #define TTY struct termio
1898 #endif
1899 #endif
1900 ],[
1901 TTY foo;
1902 tcgetattr(1, &foo);],
1903 [cf_cv_have_tcgetattr=yes],
1904 [cf_cv_have_tcgetattr=no])])
1905 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR,1,[Define to 1 if we have tcgetattr])
1906 ])dnl
1907 dnl ---------------------------------------------------------------------------
1908 dnl CF_FUNC_VSSCANF version: 6 updated: 2015/04/18 08:56:57
1909 dnl ---------------
1910 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
1911 dnl versions of C.  It is in the GNU C library, and can often be simulated by
1912 dnl other functions.
1913 AC_DEFUN([CF_FUNC_VSSCANF],
1914 [
1915 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
1916 AC_TRY_LINK([
1917 #include <stdarg.h>
1918 #include <stdio.h>],[
1919         va_list ap;
1920         vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
1921 AC_TRY_LINK([
1922 #include <stdarg.h>
1923 #include <stdio.h>],[
1924         FILE strbuf;
1925         char *str = "from";
1926
1927         strbuf._flag = _IOREAD;
1928         strbuf._ptr = strbuf._base = (unsigned char *) str;
1929         strbuf._cnt = strlen(str);
1930         strbuf._file = _NFILE;
1931         return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
1932 AC_TRY_LINK([
1933 #include <stdarg.h>
1934 #include <stdio.h>],[
1935         FILE strbuf;
1936         char *str = "from";
1937
1938         strbuf._flag = _IOREAD;
1939         strbuf._ptr = strbuf._base = (unsigned char *) str;
1940         strbuf._cnt = strlen(str);
1941         strbuf._file = _NFILE;
1942         return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
1943 cf_cv_func_vsscanf=no])])])])
1944
1945 case $cf_cv_func_vsscanf in
1946 (vsscanf) AC_DEFINE(HAVE_VSSCANF,1,[Define to 1 if we have vsscanf]);;
1947 (vfscanf) AC_DEFINE(HAVE_VFSCANF,1,[Define to 1 if we have vfscanf]);;
1948 (_doscan) AC_DEFINE(HAVE__DOSCAN,1,[Define to 1 if we have _doscan]);;
1949 esac
1950
1951 ])dnl
1952 dnl ---------------------------------------------------------------------------
1953 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
1954 dnl -----------------
1955 dnl Test for availability of useful gcc __attribute__ directives to quiet
1956 dnl compiler warnings.  Though useful, not all are supported -- and contrary
1957 dnl to documentation, unrecognized directives cause older compilers to barf.
1958 AC_DEFUN([CF_GCC_ATTRIBUTES],
1959 [
1960 if test "$GCC" = yes
1961 then
1962 cat > conftest.i <<EOF
1963 #ifndef GCC_PRINTF
1964 #define GCC_PRINTF 0
1965 #endif
1966 #ifndef GCC_SCANF
1967 #define GCC_SCANF 0
1968 #endif
1969 #ifndef GCC_NORETURN
1970 #define GCC_NORETURN /* nothing */
1971 #endif
1972 #ifndef GCC_UNUSED
1973 #define GCC_UNUSED /* nothing */
1974 #endif
1975 EOF
1976 if test "$GCC" = yes
1977 then
1978         AC_CHECKING([for $CC __attribute__ directives])
1979 cat > conftest.$ac_ext <<EOF
1980 #line __oline__ "${as_me:-configure}"
1981 #include "confdefs.h"
1982 #include "conftest.h"
1983 #include "conftest.i"
1984 #if     GCC_PRINTF
1985 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1986 #else
1987 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1988 #endif
1989 #if     GCC_SCANF
1990 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1991 #else
1992 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1993 #endif
1994 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1995 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1996 extern void foo(void) GCC_NORETURN;
1997 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1998 EOF
1999         cf_printf_attribute=no
2000         cf_scanf_attribute=no
2001         for cf_attribute in scanf printf unused noreturn
2002         do
2003                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
2004                 cf_directive="__attribute__(($cf_attribute))"
2005                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
2006
2007                 case $cf_attribute in
2008                 (printf)
2009                         cf_printf_attribute=yes
2010                         cat >conftest.h <<EOF
2011 #define GCC_$cf_ATTRIBUTE 1
2012 EOF
2013                         ;;
2014                 (scanf)
2015                         cf_scanf_attribute=yes
2016                         cat >conftest.h <<EOF
2017 #define GCC_$cf_ATTRIBUTE 1
2018 EOF
2019                         ;;
2020                 (*)
2021                         cat >conftest.h <<EOF
2022 #define GCC_$cf_ATTRIBUTE $cf_directive
2023 EOF
2024                         ;;
2025                 esac
2026
2027                 if AC_TRY_EVAL(ac_compile); then
2028                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
2029                         cat conftest.h >>confdefs.h
2030                         case $cf_attribute in
2031                         (noreturn)
2032                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
2033                                 ;;
2034                         (printf)
2035                                 cf_value='/* nothing */'
2036                                 if test "$cf_printf_attribute" != no ; then
2037                                         cf_value='__attribute__((format(printf,fmt,var)))'
2038                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
2039                                 fi
2040                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
2041                                 ;;
2042                         (scanf)
2043                                 cf_value='/* nothing */'
2044                                 if test "$cf_scanf_attribute" != no ; then
2045                                         cf_value='__attribute__((format(scanf,fmt,var)))'
2046                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
2047                                 fi
2048                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
2049                                 ;;
2050                         (unused)
2051                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
2052                                 ;;
2053                         esac
2054                 fi
2055         done
2056 else
2057         fgrep define conftest.i >>confdefs.h
2058 fi
2059 rm -rf conftest*
2060 fi
2061 ])dnl
2062 dnl ---------------------------------------------------------------------------
2063 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
2064 dnl --------------
2065 dnl Find version of gcc
2066 AC_DEFUN([CF_GCC_VERSION],[
2067 AC_REQUIRE([AC_PROG_CC])
2068 GCC_VERSION=none
2069 if test "$GCC" = yes ; then
2070         AC_MSG_CHECKING(version of $CC)
2071         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2072         test -z "$GCC_VERSION" && GCC_VERSION=unknown
2073         AC_MSG_RESULT($GCC_VERSION)
2074 fi
2075 ])dnl
2076 dnl ---------------------------------------------------------------------------
2077 dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
2078 dnl ---------------
2079 dnl Check if the compiler supports useful warning options.  There's a few that
2080 dnl we don't use, simply because they're too noisy:
2081 dnl
2082 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
2083 dnl     -Wredundant-decls (system headers make this too noisy)
2084 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
2085 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
2086 dnl             is enabled for ncurses using "--enable-const".
2087 dnl     -pedantic
2088 dnl
2089 dnl Parameter:
2090 dnl     $1 is an optional list of gcc warning flags that a particular
2091 dnl             application might want to use, e.g., "no-unused" for
2092 dnl             -Wno-unused
2093 dnl Special:
2094 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2095 dnl
2096 AC_DEFUN([CF_GCC_WARNINGS],
2097 [
2098 AC_REQUIRE([CF_GCC_VERSION])
2099 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
2100 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
2101
2102 cat > conftest.$ac_ext <<EOF
2103 #line __oline__ "${as_me:-configure}"
2104 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2105 EOF
2106
2107 if test "$INTEL_COMPILER" = yes
2108 then
2109 # The "-wdXXX" options suppress warnings:
2110 # remark #1419: external declaration in primary source file
2111 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2112 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2113 # remark #193: zero used for undefined preprocessing identifier
2114 # remark #593: variable "curs_sb_left_arrow" was set but never used
2115 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2116 # remark #869: parameter "tw" was never referenced
2117 # remark #981: operands are evaluated in unspecified order
2118 # warning #279: controlling expression is constant
2119
2120         AC_CHECKING([for $CC warning options])
2121         cf_save_CFLAGS="$CFLAGS"
2122         EXTRA_CFLAGS="-Wall"
2123         for cf_opt in \
2124                 wd1419 \
2125                 wd1683 \
2126                 wd1684 \
2127                 wd193 \
2128                 wd593 \
2129                 wd279 \
2130                 wd810 \
2131                 wd869 \
2132                 wd981
2133         do
2134                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2135                 if AC_TRY_EVAL(ac_compile); then
2136                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2137                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2138                 fi
2139         done
2140         CFLAGS="$cf_save_CFLAGS"
2141
2142 elif test "$GCC" = yes
2143 then
2144         AC_CHECKING([for $CC warning options])
2145         cf_save_CFLAGS="$CFLAGS"
2146         EXTRA_CFLAGS=
2147         cf_warn_CONST=""
2148         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
2149         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
2150         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
2151         for cf_opt in W Wall \
2152                 Wbad-function-cast \
2153                 Wcast-align \
2154                 Wcast-qual \
2155                 Wdeclaration-after-statement \
2156                 Wextra \
2157                 Winline \
2158                 Wmissing-declarations \
2159                 Wmissing-prototypes \
2160                 Wnested-externs \
2161                 Wpointer-arith \
2162                 Wshadow \
2163                 Wstrict-prototypes \
2164                 Wundef $cf_gcc_warnings $cf_warn_CONST $1
2165         do
2166                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2167                 if AC_TRY_EVAL(ac_compile); then
2168                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2169                         case $cf_opt in
2170                         (Wcast-qual)
2171                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
2172                                 ;;
2173                         (Winline)
2174                                 case $GCC_VERSION in
2175                                 ([[34]].*)
2176                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2177                                         continue;;
2178                                 esac
2179                                 ;;
2180                         (Wpointer-arith)
2181                                 case $GCC_VERSION in
2182                                 ([[12]].*)
2183                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2184                                         continue;;
2185                                 esac
2186                                 ;;
2187                         esac
2188                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2189                 fi
2190         done
2191         CFLAGS="$cf_save_CFLAGS"
2192 fi
2193 rm -rf conftest*
2194
2195 AC_SUBST(EXTRA_CFLAGS)
2196 ])dnl
2197 dnl ---------------------------------------------------------------------------
2198 dnl CF_GETOPT_HEADER version: 6 updated: 2014/07/22 14:45:54
2199 dnl ----------------
2200 dnl Check for getopt's variables which are commonly defined in stdlib.h,
2201 dnl unistd.h or (nonstandard) in getopt.h
2202 AC_DEFUN([CF_GETOPT_HEADER],
2203 [
2204 AC_HAVE_HEADERS(unistd.h getopt.h)
2205 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
2206 cf_cv_getopt_header=none
2207 for cf_header in stdio.h stdlib.h unistd.h getopt.h
2208 do
2209 AC_TRY_COMPILE([
2210 #include <$cf_header>],
2211 [int x = optind; char *y = optarg],
2212 [cf_cv_getopt_header=$cf_header
2213  break])
2214 done
2215 ])
2216 if test $cf_cv_getopt_header != none ; then
2217         AC_DEFINE(HAVE_GETOPT_HEADER,1,[Define to 1 if getopt variables are declared in header])
2218 fi
2219 if test $cf_cv_getopt_header = getopt.h ; then
2220         AC_DEFINE(NEED_GETOPT_H,1,[Define to 1 if we must include getopt.h])
2221 fi
2222 ])dnl
2223 dnl ---------------------------------------------------------------------------
2224 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
2225 dnl -----------------
2226 AC_DEFUN([CF_GNATPREP_OPT_T],[
2227 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
2228 cf_cv_gnatprep_opt_t=no
2229 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
2230 ])
2231 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
2232 AC_SUBST(GNATPREP_OPTS)
2233 ])dnl
2234 dnl ---------------------------------------------------------------------------
2235 dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
2236 dnl ----------------
2237 AC_DEFUN([CF_GNAT_GENERICS],
2238 [
2239 AC_REQUIRE([CF_GNAT_VERSION])
2240
2241 AC_MSG_CHECKING(if GNAT supports generics)
2242 case $cf_gnat_version in
2243 (3.[[1-9]]*|[[4-9]].*)
2244         cf_gnat_generics=yes
2245         ;;
2246 (*)
2247         cf_gnat_generics=no
2248         ;;
2249 esac
2250 AC_MSG_RESULT($cf_gnat_generics)
2251
2252 if test "$cf_gnat_generics" = yes
2253 then
2254         cf_compile_generics=generics
2255         cf_generic_objects="\${GENOBJS}"
2256 else
2257         cf_compile_generics=
2258         cf_generic_objects=
2259 fi
2260
2261 AC_SUBST(cf_compile_generics)
2262 AC_SUBST(cf_generic_objects)
2263 ])dnl
2264 dnl ---------------------------------------------------------------------------
2265 dnl CF_GNAT_PROJECTS version: 8 updated: 2015/04/17 21:13:04
2266 dnl ----------------
2267 dnl GNAT projects are configured with ".gpr" project files.
2268 dnl GNAT libraries are a further development, using the project feature.
2269 AC_DEFUN([CF_GNAT_PROJECTS],
2270 [
2271 AC_REQUIRE([CF_GNAT_VERSION])
2272 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
2273
2274 cf_gnat_libraries=no
2275 cf_gnat_projects=no
2276
2277 if test "$enable_gnat_projects" != no ; then
2278 AC_MSG_CHECKING(if GNAT supports project files)
2279 case $cf_gnat_version in
2280 (3.[[0-9]]*)
2281         ;;
2282 (*)
2283         case $cf_cv_system_name in
2284         (cygwin*|msys*)
2285                 ;;
2286         (*)
2287                 mkdir conftest.src conftest.bin conftest.lib
2288                 cd conftest.src
2289                 rm -rf conftest* *~conftest*
2290                 cat >>library.gpr <<CF_EOF
2291 project Library is
2292   Kind := External ("LIB_KIND");
2293   for Library_Name use "ConfTest";
2294   for Object_Dir use ".";
2295   for Library_ALI_Dir use External("LIBRARY_DIR");
2296   for Library_Version use External ("SONAME");
2297   for Library_Kind use Kind;
2298   for Library_Dir use External("BUILD_DIR");
2299   Source_Dir := External ("SOURCE_DIR");
2300   for Source_Dirs use (Source_Dir);
2301 end Library;
2302 CF_EOF
2303                 cat >>confpackage.ads <<CF_EOF
2304 package ConfPackage is
2305    procedure conftest;
2306 end ConfPackage;
2307 CF_EOF
2308                 cat >>confpackage.adb <<CF_EOF
2309 with Text_IO;
2310 package body ConfPackage is
2311    procedure conftest is
2312    begin
2313       Text_IO.Put ("Hello World");
2314       Text_IO.New_Line;
2315    end conftest;
2316 end ConfPackage;
2317 CF_EOF
2318                 if ( $cf_ada_make $ADAFLAGS \
2319                                 -Plibrary.gpr \
2320                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
2321                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
2322                                 -XSOURCE_DIR=`pwd` \
2323                                 -XSONAME=libConfTest.so.1 \
2324                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
2325                         cf_gnat_projects=yes
2326                 fi
2327                 cd ..
2328                 if test -f conftest.lib/confpackage.ali
2329                 then
2330                         cf_gnat_libraries=yes
2331                 fi
2332                 rm -rf conftest* *~conftest*
2333                 ;;
2334         esac
2335         ;;
2336 esac
2337 AC_MSG_RESULT($cf_gnat_projects)
2338 fi # enable_gnat_projects
2339
2340 if test $cf_gnat_projects = yes
2341 then
2342         AC_MSG_CHECKING(if GNAT supports libraries)
2343         AC_MSG_RESULT($cf_gnat_libraries)
2344 fi
2345
2346 if test "$cf_gnat_projects" = yes
2347 then
2348         USE_OLD_MAKERULES="#"
2349         USE_GNAT_PROJECTS=""
2350 else
2351         USE_OLD_MAKERULES=""
2352         USE_GNAT_PROJECTS="#"
2353 fi
2354
2355 if test "$cf_gnat_libraries" = yes
2356 then
2357         USE_GNAT_LIBRARIES=""
2358 else
2359         USE_GNAT_LIBRARIES="#"
2360 fi
2361
2362 AC_SUBST(USE_OLD_MAKERULES)
2363 AC_SUBST(USE_GNAT_PROJECTS)
2364 AC_SUBST(USE_GNAT_LIBRARIES)
2365 ])dnl
2366 dnl ---------------------------------------------------------------------------
2367 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
2368 dnl --------------
2369 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
2370 dnl is noted that gnat may compile a tasking unit even for configurations which
2371 dnl fail at runtime.
2372 AC_DEFUN([CF_GNAT_SIGINT],[
2373 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
2374 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
2375
2376 package ConfTest is
2377
2378    pragma Warnings (Off);  --  the next pragma exists since 3.11p
2379    pragma Unreserve_All_Interrupts;
2380    pragma Warnings (On);
2381
2382    protected Process is
2383       procedure Stop;
2384       function Continue return Boolean;
2385       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
2386    private
2387       Done : Boolean := False;
2388    end Process;
2389
2390 end ConfTest;],
2391 [package body ConfTest is
2392    protected body Process is
2393       procedure Stop is
2394       begin
2395          Done := True;
2396       end Stop;
2397       function Continue return Boolean is
2398       begin
2399          return not Done;
2400       end Continue;
2401    end Process;
2402 end ConfTest;],
2403         [cf_cv_gnat_sigint=yes],
2404         [cf_cv_gnat_sigint=no])])
2405
2406 if test $cf_cv_gnat_sigint = yes ; then
2407         USE_GNAT_SIGINT=""
2408 else
2409         USE_GNAT_SIGINT="#"
2410 fi
2411 AC_SUBST(USE_GNAT_SIGINT)
2412 ])dnl
2413 dnl ---------------------------------------------------------------------------
2414 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
2415 dnl ----------------
2416 dnl Verify that a test program compiles/links with GNAT.
2417 dnl $cf_ada_make is set to the program that compiles/links
2418 dnl $ADAFLAGS may be set to the GNAT flags.
2419 dnl
2420 dnl $1 is the text of the spec
2421 dnl $2 is the text of the body
2422 dnl $3 is the shell command to execute if successful
2423 dnl $4 is the shell command to execute if not successful
2424 AC_DEFUN([CF_GNAT_TRY_LINK],
2425 [
2426 rm -rf conftest* *~conftest*
2427 cat >>conftest.ads <<CF_EOF
2428 $1
2429 CF_EOF
2430 cat >>conftest.adb <<CF_EOF
2431 $2
2432 CF_EOF
2433 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2434 ifelse($3,,      :,[      $3])
2435 ifelse($4,,,[else
2436    $4])
2437 fi
2438 rm -rf conftest* *~conftest*
2439 ])dnl
2440 dnl ---------------------------------------------------------------------------
2441 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
2442 dnl ---------------
2443 dnl Verify that a test program compiles and runs with GNAT
2444 dnl $cf_ada_make is set to the program that compiles/links
2445 dnl $ADAFLAGS may be set to the GNAT flags.
2446 dnl
2447 dnl $1 is the text of the spec
2448 dnl $2 is the text of the body
2449 dnl $3 is the shell command to execute if successful
2450 dnl $4 is the shell command to execute if not successful
2451 AC_DEFUN([CF_GNAT_TRY_RUN],
2452 [
2453 rm -rf conftest* *~conftest*
2454 cat >>conftest.ads <<CF_EOF
2455 $1
2456 CF_EOF
2457 cat >>conftest.adb <<CF_EOF
2458 $2
2459 CF_EOF
2460 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2461    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
2462 ifelse($3,,      :,[      $3])
2463 ifelse($4,,,[   else
2464       $4])
2465    fi
2466 ifelse($4,,,[else
2467    $4])
2468 fi
2469 rm -rf conftest* *~conftest*
2470 ])dnl
2471 dnl ---------------------------------------------------------------------------
2472 dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
2473 dnl ---------------
2474 dnl Verify version of GNAT.
2475 AC_DEFUN([CF_GNAT_VERSION],
2476 [
2477 AC_MSG_CHECKING(for gnat version)
2478 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
2479         grep '[[0-9]].[[0-9]][[0-9]]*' |\
2480         sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
2481 AC_MSG_RESULT($cf_gnat_version)
2482
2483 case $cf_gnat_version in
2484 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
2485         cf_cv_prog_gnat_correct=yes
2486         ;;
2487 (*)
2488         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
2489         cf_cv_prog_gnat_correct=no
2490         ;;
2491 esac
2492 ])
2493 dnl ---------------------------------------------------------------------------
2494 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
2495 dnl -------------
2496 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2497 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
2498 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2499 dnl since it is interwoven with GNU extensions.
2500 dnl
2501 dnl Well, yes we could work around it...
2502 AC_DEFUN([CF_GNU_SOURCE],
2503 [
2504 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2505 AC_TRY_COMPILE([#include <sys/types.h>],[
2506 #ifndef _XOPEN_SOURCE
2507 make an error
2508 #endif],
2509         [cf_cv_gnu_source=no],
2510         [cf_save="$CPPFLAGS"
2511          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2512          AC_TRY_COMPILE([#include <sys/types.h>],[
2513 #ifdef _XOPEN_SOURCE
2514 make an error
2515 #endif],
2516         [cf_cv_gnu_source=no],
2517         [cf_cv_gnu_source=yes])
2518         CPPFLAGS="$cf_save"
2519         ])
2520 ])
2521 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2522 ])dnl
2523 dnl ---------------------------------------------------------------------------
2524 dnl CF_GPP_LIBRARY version: 12 updated: 2015/04/17 21:13:04
2525 dnl --------------
2526 dnl If we're trying to use g++, test if libg++ is installed (a rather common
2527 dnl problem :-).  If we have the compiler but no library, we'll be able to
2528 dnl configure, but won't be able to build the c++ demo program.
2529 AC_DEFUN([CF_GPP_LIBRARY],
2530 [
2531 cf_cxx_library=unknown
2532 case $cf_cv_system_name in
2533 (os2*)
2534         cf_gpp_libname=gpp
2535         ;;
2536 (*)
2537         cf_gpp_libname=g++
2538         ;;
2539 esac
2540 if test "$GXX" = yes; then
2541         AC_MSG_CHECKING([for lib$cf_gpp_libname])
2542         cf_save="$LIBS"
2543         CF_ADD_LIB($cf_gpp_libname)
2544         AC_TRY_LINK([
2545 #include <$cf_gpp_libname/builtin.h>
2546         ],
2547         [two_arg_error_handler_t foo2 = lib_error_handler],
2548         [cf_cxx_library=yes
2549          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2550          if test "$cf_gpp_libname" = cpp ; then
2551             AC_DEFINE(HAVE_GPP_BUILTIN_H,1,[Define to 1 if we have gpp builtin.h])
2552          else
2553             AC_DEFINE(HAVE_GXX_BUILTIN_H,1,[Define to 1 if we have g++ builtin.h])
2554          fi],
2555         [AC_TRY_LINK([
2556 #include <builtin.h>
2557         ],
2558         [two_arg_error_handler_t foo2 = lib_error_handler],
2559         [cf_cxx_library=yes
2560          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2561          AC_DEFINE(HAVE_BUILTIN_H,1,[Define to 1 if we have builtin.h])],
2562         [cf_cxx_library=no])])
2563         LIBS="$cf_save"
2564         AC_MSG_RESULT($cf_cxx_library)
2565 fi
2566 ])dnl
2567 dnl ---------------------------------------------------------------------------
2568 dnl CF_GXX_VERSION version: 7 updated: 2012/06/16 14:55:39
2569 dnl --------------
2570 dnl Check for version of g++
2571 AC_DEFUN([CF_GXX_VERSION],[
2572 AC_REQUIRE([AC_PROG_CPP])
2573 GXX_VERSION=none
2574 if test "$GXX" = yes; then
2575         AC_MSG_CHECKING(version of ${CXX:-g++})
2576         GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2577         test -z "$GXX_VERSION" && GXX_VERSION=unknown
2578         AC_MSG_RESULT($GXX_VERSION)
2579 fi
2580 ])dnl
2581 dnl ---------------------------------------------------------------------------
2582 dnl CF_GXX_WARNINGS version: 9 updated: 2015/04/17 21:13:04
2583 dnl ---------------
2584 dnl Check if the compiler supports useful warning options.
2585 dnl
2586 dnl Most of gcc's options apply to g++, except:
2587 dnl     -Wbad-function-cast
2588 dnl     -Wmissing-declarations
2589 dnl     -Wnested-externs
2590 dnl
2591 dnl Omit a few (for now):
2592 dnl     -Winline
2593 dnl
2594 dnl Parameter:
2595 dnl     $1 is an optional list of g++ warning flags that a particular
2596 dnl             application might want to use, e.g., "no-unused" for
2597 dnl             -Wno-unused
2598 dnl Special:
2599 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2600 dnl
2601 AC_DEFUN([CF_GXX_WARNINGS],
2602 [
2603
2604 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
2605 CF_CLANG_COMPILER(GXX,CLANG_CPLUSPLUS,CXXFLAGS)
2606
2607 AC_REQUIRE([CF_GXX_VERSION])
2608
2609 AC_LANG_SAVE
2610 AC_LANG_CPLUSPLUS
2611
2612 cat > conftest.$ac_ext <<EOF
2613 #line __oline__ "configure"
2614 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2615 EOF
2616
2617 if test "$INTEL_CPLUSPLUS" = yes
2618 then
2619 # The "-wdXXX" options suppress warnings:
2620 # remark #1419: external declaration in primary source file
2621 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2622 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2623 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2624 # remark #193: zero used for undefined preprocessing identifier
2625 # remark #593: variable "curs_sb_left_arrow" was set but never used
2626 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2627 # remark #869: parameter "tw" was never referenced
2628 # remark #981: operands are evaluated in unspecified order
2629 # warning #269: invalid format string conversion
2630
2631         AC_CHECKING([for $CC warning options])
2632         cf_save_CXXFLAGS="$CXXFLAGS"
2633         EXTRA_CXXFLAGS="-Wall"
2634         for cf_opt in \
2635                 wd1419 \
2636                 wd1682 \
2637                 wd1683 \
2638                 wd1684 \
2639                 wd193 \
2640                 wd279 \
2641                 wd593 \
2642                 wd810 \
2643                 wd869 \
2644                 wd981
2645         do
2646                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
2647                 if AC_TRY_EVAL(ac_compile); then
2648                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2649                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2650                 fi
2651         done
2652         CXXFLAGS="$cf_save_CXXFLAGS"
2653
2654 elif test "$GXX" = yes
2655 then
2656         AC_CHECKING([for $CXX warning options])
2657         cf_save_CXXFLAGS="$CXXFLAGS"
2658         EXTRA_CXXFLAGS="-W -Wall"
2659         cf_gxx_extra_warnings=""
2660         test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
2661         case "$GCC_VERSION" in
2662         ([[1-2]].*)
2663                 ;;
2664         (*)
2665                 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
2666                 ;;
2667         esac
2668         for cf_opt in \
2669                 Wabi \
2670                 fabi-version=0 \
2671                 Wextra \
2672                 Wignored-qualifiers \
2673                 Wlogical-op \
2674                 Woverloaded-virtual \
2675                 Wsign-promo \
2676                 Wsynth \
2677                 Wold-style-cast \
2678                 Wcast-align \
2679                 Wcast-qual \
2680                 Wpointer-arith \
2681                 Wshadow \
2682                 Wundef $cf_gxx_extra_warnings $1
2683         do
2684                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
2685                 if AC_TRY_EVAL(ac_compile); then
2686                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2687                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2688                 else
2689                         test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
2690                 fi
2691         done
2692         CXXFLAGS="$cf_save_CXXFLAGS"
2693 fi
2694
2695 rm -rf conftest*
2696 AC_LANG_RESTORE
2697 AC_SUBST(EXTRA_CXXFLAGS)
2698 ])dnl
2699 dnl ---------------------------------------------------------------------------
2700 dnl CF_HASHED_DB version: 7 updated: 2015/04/18 08:56:57
2701 dnl ------------
2702 dnl Look for an instance of the Berkeley hashed database.
2703 dnl
2704 dnl $1 = optional parameter, to specify install-prefix for the database.
2705 AC_DEFUN([CF_HASHED_DB],
2706 [
2707 ifelse([$1],,,[
2708 case $1 in
2709 (yes|*able*)
2710         ;;
2711 (*)
2712         if test -d "$1" ; then
2713                 CF_ADD_INCDIR($1/include)
2714                 CF_ADD_LIBDIR($1/lib)
2715         else
2716                 case "$1" in
2717                 (./*|../*|/*)
2718                         AC_MSG_WARN(no such directory $1)
2719                         ;;
2720                 (*)
2721                         CF_FIND_SUB_INCDIR($1)
2722                         CF_FIND_SUB_LIBDIR($1)
2723                         ;;
2724                 esac
2725         fi
2726 esac
2727 ])
2728 AC_CHECK_HEADER(db.h,[
2729 CF_HASHED_DB_VERSION
2730 if test "$cf_cv_hashed_db_version" = unknown ; then
2731         AC_MSG_ERROR(Cannot determine version of db)
2732 else
2733         CF_HASHED_DB_LIBS
2734         if test "$cf_cv_hashed_db_libs" = unknown ; then
2735                 AC_MSG_ERROR(Cannot determine library for db)
2736         elif test "$cf_cv_hashed_db_libs" != default ; then
2737                 CF_ADD_LIB($cf_cv_hashed_db_libs)
2738         fi
2739 fi
2740 ],[
2741         AC_MSG_ERROR(Cannot find db.h)
2742 ])
2743 ])dnl
2744 dnl ---------------------------------------------------------------------------
2745 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
2746 dnl -----------------
2747 dnl Given that we have the header and version for hashed database, find the
2748 dnl library information.
2749 AC_DEFUN([CF_HASHED_DB_LIBS],
2750 [
2751 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
2752 cf_cv_hashed_db_libs=unknown
2753 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
2754 do
2755         cf_save_libs="$LIBS"
2756         if test -n "$cf_db_libs"; then
2757                 CF_ADD_LIB($cf_db_libs)
2758         fi
2759         CF_MSG_LOG(checking for library "$cf_db_libs")
2760         AC_TRY_LINK([
2761 $ac_includes_default
2762 #include <db.h>
2763 ],[
2764         char *path = "/tmp/foo";
2765 #ifdef DB_VERSION_MAJOR
2766 #if DB_VERSION_MAJOR >= 4
2767         DB *result = 0;
2768         db_create(&result, NULL, 0);
2769         result->open(result,
2770                 NULL,
2771                 path,
2772                 path,
2773                 DB_HASH,
2774                 DB_CREATE,
2775                 0644);
2776 #elif DB_VERSION_MAJOR >= 3
2777         DB *result = 0;
2778         db_create(&result, NULL, 0);
2779         result->open(result,
2780                 path,
2781                 path,
2782                 DB_HASH,
2783                 DB_CREATE,
2784                 0644);
2785 #elif DB_VERSION_MAJOR >= 2
2786         DB *result = 0;
2787         db_open(path,
2788                 DB_HASH,
2789                 DB_CREATE,
2790                 0644,
2791                 (DB_ENV *) 0,
2792                 (DB_INFO *) 0,
2793                 &result);
2794 #endif /* DB_VERSION_MAJOR */
2795 #else
2796         DB *result = dbopen(path,
2797                      2,
2798                      0644,
2799                      DB_HASH,
2800                      0);
2801 #endif
2802         ${cf_cv_main_return:-return}(result != 0)
2803 ],[
2804         if test -n "$cf_db_libs" ; then
2805                 cf_cv_hashed_db_libs=$cf_db_libs
2806         else
2807                 cf_cv_hashed_db_libs=default
2808         fi
2809         LIBS="$cf_save_libs"
2810         break
2811 ])
2812         LIBS="$cf_save_libs"
2813 done
2814 ])
2815 ])dnl
2816 dnl ---------------------------------------------------------------------------
2817 dnl CF_HASHED_DB_VERSION version: 4 updated: 2014/04/12 16:47:01
2818 dnl --------------------
2819 dnl Given that we have the header file for hashed database, find the version
2820 dnl information.
2821 AC_DEFUN([CF_HASHED_DB_VERSION],
2822 [
2823 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
2824 cf_cv_hashed_db_version=unknown
2825
2826 for cf_db_version in 1 2 3 4 5 6
2827 do
2828         CF_MSG_LOG(checking for db version $cf_db_version)
2829         AC_TRY_COMPILE([
2830 $ac_includes_default
2831 #include <db.h>
2832
2833 #ifdef DB_VERSION_MAJOR
2834         /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
2835 #if $cf_db_version == DB_VERSION_MAJOR
2836         /* ok */
2837 #else
2838         make an error
2839 #endif
2840 #else
2841 #if $cf_db_version == 1
2842         /* ok: assuming this is DB 1.8.5 */
2843 #else
2844         make an error
2845 #endif
2846 #endif
2847 ],[DBT *foo = 0],[
2848         cf_cv_hashed_db_version=$cf_db_version
2849         break
2850         ])
2851 done
2852 ])
2853 ])dnl
2854 dnl ---------------------------------------------------------------------------
2855 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
2856 dnl --------------
2857 dnl Construct a search-list of directories for a nonstandard header-file
2858 dnl
2859 dnl Parameters
2860 dnl     $1 = the variable to return as result
2861 dnl     $2 = the package name
2862 AC_DEFUN([CF_HEADER_PATH],
2863 [
2864 $1=
2865
2866 # collect the current set of include-directories from compiler flags
2867 cf_header_path_list=""
2868 if test -n "${CFLAGS}${CPPFLAGS}" ; then
2869         for cf_header_path in $CPPFLAGS $CFLAGS
2870         do
2871                 case $cf_header_path in
2872                 (-I*)
2873                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
2874                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
2875                         cf_header_path_list="$cf_header_path_list [$]$1"
2876                         ;;
2877                 esac
2878         done
2879 fi
2880
2881 # add the variations for the package we are looking for
2882 CF_SUBDIR_PATH($1,$2,include)
2883
2884 test "$includedir" != NONE && \
2885 test "$includedir" != "/usr/include" && \
2886 test -d "$includedir" && {
2887         test -d $includedir &&    $1="[$]$1 $includedir"
2888         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
2889 }
2890
2891 test "$oldincludedir" != NONE && \
2892 test "$oldincludedir" != "/usr/include" && \
2893 test -d "$oldincludedir" && {
2894         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
2895         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
2896 }
2897
2898 $1="[$]$1 $cf_header_path_list"
2899 ])dnl
2900 dnl ---------------------------------------------------------------------------
2901 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
2902 dnl ---------------
2903 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
2904 AC_DEFUN([CF_HELP_MESSAGE],
2905 [AC_DIVERT_HELP([$1])dnl
2906 ])dnl
2907 dnl ---------------------------------------------------------------------------
2908 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
2909 dnl ---------------
2910 dnl Construct the list of include-options according to whether we're building
2911 dnl in the source directory or using '--srcdir=DIR' option.
2912 AC_DEFUN([CF_INCLUDE_DIRS],
2913 [
2914 if test "$srcdir" != "."; then
2915         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
2916 fi
2917 CPPFLAGS="-I../include $CPPFLAGS"
2918 if test "$srcdir" != "."; then
2919         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
2920 fi
2921 CPPFLAGS="-I. $CPPFLAGS"
2922 AC_SUBST(CPPFLAGS)
2923 ])dnl
2924 dnl ---------------------------------------------------------------------------
2925 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
2926 dnl -----------------
2927 dnl Check if the given compiler is really the Intel compiler for Linux.  It
2928 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2929 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2930 dnl
2931 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2932 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
2933 dnl the wrappers for gcc and g++ warnings.
2934 dnl
2935 dnl $1 = GCC (default) or GXX
2936 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2937 dnl $3 = CFLAGS (default) or CXXFLAGS
2938 AC_DEFUN([CF_INTEL_COMPILER],[
2939 AC_REQUIRE([AC_CANONICAL_HOST])
2940 ifelse([$2],,INTEL_COMPILER,[$2])=no
2941
2942 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2943         case $host_os in
2944         (linux*|gnu*)
2945                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2946                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2947                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2948                 AC_TRY_COMPILE([],[
2949 #ifdef __INTEL_COMPILER
2950 #else
2951 make an error
2952 #endif
2953 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2954 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2955 ],[])
2956                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2957                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2958                 ;;
2959         esac
2960 fi
2961 ])dnl
2962 dnl ---------------------------------------------------------------------------
2963 dnl CF_ISASCII version: 4 updated: 2012/10/06 17:56:13
2964 dnl ----------
2965 dnl Check if we have either a function or macro for 'isascii()'.
2966 AC_DEFUN([CF_ISASCII],
2967 [
2968 AC_MSG_CHECKING(for isascii)
2969 AC_CACHE_VAL(cf_cv_have_isascii,[
2970         AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
2971         [cf_cv_have_isascii=yes],
2972         [cf_cv_have_isascii=no])
2973 ])dnl
2974 AC_MSG_RESULT($cf_cv_have_isascii)
2975 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
2976 ])dnl
2977 dnl ---------------------------------------------------------------------------
2978 dnl CF_LARGEFILE version: 9 updated: 2015/04/18 08:56:57
2979 dnl ------------
2980 dnl Add checks for large file support.
2981 AC_DEFUN([CF_LARGEFILE],[
2982 ifdef([AC_FUNC_FSEEKO],[
2983         AC_SYS_LARGEFILE
2984         if test "$enable_largefile" != no ; then
2985         AC_FUNC_FSEEKO
2986
2987         # Normally we would collect these definitions in the config.h,
2988         # but (like _XOPEN_SOURCE), some environments rely on having these
2989         # defined before any of the system headers are included.  Another
2990         # case comes up with C++, e.g., on AIX the compiler compiles the
2991         # header files by themselves before looking at the body files it is
2992         # told to compile.  For ncurses, those header files do not include
2993         # the config.h
2994         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
2995         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
2996         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
2997
2998         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2999                 AC_TRY_COMPILE([
3000 #include <sys/types.h>
3001 #include <dirent.h>
3002                 ],[
3003                 /* if transitional largefile support is setup, this is true */
3004                 extern struct dirent64 * readdir(DIR *);
3005                 struct dirent64 *x = readdir((DIR *)0);
3006                 struct dirent *y = readdir((DIR *)0);
3007                 int z = x - y;
3008                 ],
3009                 [cf_cv_struct_dirent64=yes],
3010                 [cf_cv_struct_dirent64=no])
3011         ])
3012         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
3013         fi
3014 ])
3015 ])
3016 dnl ---------------------------------------------------------------------------
3017 dnl CF_LDFLAGS_STATIC version: 12 updated: 2015/04/18 08:56:57
3018 dnl -----------------
3019 dnl Check for compiler/linker flags used to temporarily force usage of static
3020 dnl libraries.  This depends on the compiler and platform.  Use this to help
3021 dnl ensure that the linker picks up a given library based on its position in
3022 dnl the list of linker options and libraries.
3023 AC_DEFUN([CF_LDFLAGS_STATIC],[
3024
3025 if test "$GCC" = yes ; then
3026         case $cf_cv_system_name in
3027         (OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)
3028                 LDFLAGS_STATIC=
3029                 LDFLAGS_SHARED=
3030                 ;;
3031         (*)     # normally, except when broken
3032                 LDFLAGS_STATIC=-static
3033                 LDFLAGS_SHARED=-dynamic
3034                 ;;
3035         esac
3036 else
3037         case $cf_cv_system_name in
3038         (aix[[4-7]]*)   # from ld manpage
3039                 LDFLAGS_STATIC=-bstatic
3040                 LDFLAGS_SHARED=-bdynamic
3041                 ;;
3042         (hpux*)         # from ld manpage for hpux10.20, hpux11.11
3043                 # We could also use just "archive" and "shared".
3044                 LDFLAGS_STATIC=-Wl,-a,archive_shared
3045                 LDFLAGS_SHARED=-Wl,-a,shared_archive
3046                 ;;
3047         (irix*)         # from ld manpage IRIX64
3048                 LDFLAGS_STATIC=-Bstatic
3049                 LDFLAGS_SHARED=-Bdynamic
3050                 ;;
3051         (osf[[45]]*)    # from ld manpage osf4.0d, osf5.1
3052                 # alternative "-oldstyle_liblookup" (not in cc manpage)
3053                 LDFLAGS_STATIC=-noso
3054                 LDFLAGS_SHARED=-so_archive
3055                 ;;
3056         (solaris2*)
3057                 LDFLAGS_STATIC=-Bstatic
3058                 LDFLAGS_SHARED=-Bdynamic
3059                 ;;
3060         esac
3061 fi
3062
3063 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
3064 then
3065         AC_MSG_CHECKING(if linker supports switching between static/dynamic)
3066
3067         rm -f libconftest.a
3068         cat >conftest.$ac_ext <<EOF
3069 #line __oline__ "configure"
3070 #include <stdio.h>
3071 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
3072 EOF
3073         if AC_TRY_EVAL(ac_compile) ; then
3074                 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
3075                 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
3076         fi
3077         rm -f conftest.*
3078
3079         cf_save_LIBS="$LIBS"
3080
3081         LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
3082         AC_TRY_LINK([
3083 #line __oline__ "configure"
3084 #include <stdio.h>
3085 int cf_ldflags_static(FILE *fp);
3086 ],[
3087         return cf_ldflags_static(stdin);
3088 ],[
3089         # some linkers simply ignore the -dynamic
3090         case x`file conftest$ac_exeext 2>/dev/null` in
3091         (*static*)
3092                 cf_ldflags_static=no
3093                 ;;
3094         (*)
3095                 cf_ldflags_static=yes
3096                 ;;
3097         esac
3098 ],[cf_ldflags_static=no])
3099
3100         rm -f libconftest.*
3101         LIBS="$cf_save_LIBS"
3102
3103         AC_MSG_RESULT($cf_ldflags_static)
3104
3105         if test $cf_ldflags_static != yes
3106         then
3107                 LDFLAGS_STATIC=
3108                 LDFLAGS_SHARED=
3109         fi
3110 else
3111         LDFLAGS_STATIC=
3112         LDFLAGS_SHARED=
3113 fi
3114
3115 AC_SUBST(LDFLAGS_STATIC)
3116 AC_SUBST(LDFLAGS_SHARED)
3117 ])
3118 dnl ---------------------------------------------------------------------------
3119 dnl CF_LD_RPATH_OPT version: 6 updated: 2015/04/12 15:39:00
3120 dnl ---------------
3121 dnl For the given system and compiler, find the compiler flags to pass to the
3122 dnl loader to use the "rpath" feature.
3123 AC_DEFUN([CF_LD_RPATH_OPT],
3124 [
3125 AC_REQUIRE([CF_CHECK_CACHE])
3126
3127 LD_RPATH_OPT=
3128 AC_MSG_CHECKING(for an rpath option)
3129 case $cf_cv_system_name in
3130 (irix*)
3131         if test "$GCC" = yes; then
3132                 LD_RPATH_OPT="-Wl,-rpath,"
3133         else
3134                 LD_RPATH_OPT="-rpath "
3135         fi
3136         ;;
3137 (linux*|gnu*|k*bsd*-gnu)
3138         LD_RPATH_OPT="-Wl,-rpath,"
3139         ;;
3140 (openbsd[[2-9]].*|mirbsd*)
3141         LD_RPATH_OPT="-Wl,-rpath,"
3142         ;;
3143 (dragonfly*|freebsd*)
3144         LD_RPATH_OPT="-rpath "
3145         ;;
3146 (netbsd*)
3147         LD_RPATH_OPT="-Wl,-rpath,"
3148         ;;
3149 (osf*|mls+*)
3150         LD_RPATH_OPT="-rpath "
3151         ;;
3152 (solaris2*)
3153         LD_RPATH_OPT="-R"
3154         ;;
3155 (*)
3156         ;;
3157 esac
3158 AC_MSG_RESULT($LD_RPATH_OPT)
3159
3160 case "x$LD_RPATH_OPT" in
3161 (x-R*)
3162         AC_MSG_CHECKING(if we need a space after rpath option)
3163         cf_save_LIBS="$LIBS"
3164         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
3165         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
3166         LIBS="$cf_save_LIBS"
3167         AC_MSG_RESULT($cf_rpath_space)
3168         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
3169         ;;
3170 esac
3171 ])dnl
3172 dnl ---------------------------------------------------------------------------
3173 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
3174 dnl ---------------
3175 dnl Construct a search-list of directories for a nonstandard library-file
3176 dnl
3177 dnl Parameters
3178 dnl     $1 = the variable to return as result
3179 dnl     $2 = the package name
3180 AC_DEFUN([CF_LIBRARY_PATH],
3181 [
3182 $1=
3183 cf_library_path_list=""
3184 if test -n "${LDFLAGS}${LIBS}" ; then
3185         for cf_library_path in $LDFLAGS $LIBS
3186         do
3187                 case $cf_library_path in
3188                 (-L*)
3189                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
3190                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
3191                         cf_library_path_list="$cf_library_path_list [$]$1"
3192                         ;;
3193                 esac
3194         done
3195 fi
3196
3197 CF_SUBDIR_PATH($1,$2,lib)
3198
3199 $1="$cf_library_path_list [$]$1"
3200 ])dnl
3201 dnl ---------------------------------------------------------------------------
3202 dnl CF_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
3203 dnl ------------------
3204 AC_DEFUN([CF_LIBTOOL_VERSION],[
3205 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
3206 then
3207         cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
3208 else
3209         cf_cv_libtool_version=
3210 fi
3211 test -z "$cf_cv_libtool_version" && unset cf_cv_libtool_version
3212 ])dnl
3213 dnl ---------------------------------------------------------------------------
3214 dnl CF_LIB_PREFIX version: 11 updated: 2015/04/18 08:56:57
3215 dnl -------------
3216 dnl Compute the library-prefix for the given host system
3217 dnl $1 = variable to set
3218 define([CF_LIB_PREFIX],
3219 [
3220         case $cf_cv_system_name in
3221         (OS/2*|os2*)
3222                 LIB_PREFIX=''
3223                 ;;
3224         (*)     LIB_PREFIX='lib'
3225                 ;;
3226         esac
3227 ifelse($1,,,[$1=$LIB_PREFIX])
3228         AC_SUBST(LIB_PREFIX)
3229 ])dnl
3230 dnl ---------------------------------------------------------------------------
3231 dnl CF_LIB_RULES version: 83 updated: 2015/08/05 20:44:28
3232 dnl ------------
3233 dnl Append definitions and rules for the given models to the subdirectory
3234 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
3235 dnl subdirectory is a library-source directory, modify the Libs_To_Make list in
3236 dnl the corresponding makefile to list the models that we'll generate.
3237 dnl
3238 dnl For shared libraries, make a list of symbolic links to construct when
3239 dnl generating each library.  The convention used for Linux is the simplest
3240 dnl one:
3241 dnl     lib<name>.so    ->
3242 dnl     lib<name>.so.<major>    ->
3243 dnl     lib<name>.so.<maj>.<minor>
3244 dnl
3245 dnl Note: Libs_To_Make is mixed case, since it is not a pure autoconf variable.
3246 AC_DEFUN([CF_LIB_RULES],
3247 [
3248 cf_prefix=$LIB_PREFIX
3249 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3250
3251 case $cf_cv_shlib_version in
3252 (cygdll|msysdll|mingw)
3253         TINFO_NAME=$TINFO_ARG_SUFFIX
3254         TINFO_SUFFIX=.dll
3255         ;;
3256 esac
3257
3258 if test -n "$TINFO_SUFFIX" ; then
3259         case $TINFO_SUFFIX in
3260         (tw*)
3261                 TINFO_NAME="${TINFO_NAME}tw${EXTRA_SUFFIX}"
3262                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw'$EXTRA_SUFFIX'//'`
3263                 ;;
3264         (t*)
3265                 TINFO_NAME="${TINFO_NAME}t${EXTRA_SUFFIX}"
3266                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t'$EXTRA_SUFFIX'//'`
3267                 ;;
3268         (w*)
3269                 TINFO_NAME="${TINFO_NAME}w${EXTRA_SUFFIX}"
3270                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w'$EXTRA_SUFFIX'//'`
3271                 ;;
3272         esac
3273 fi
3274
3275 for cf_dir in $SRC_SUBDIRS
3276 do
3277         if test ! -d $srcdir/$cf_dir ; then
3278                 continue
3279         elif test -f $srcdir/$cf_dir/modules; then
3280
3281                 SHARED_LIB=
3282                 Libs_To_Make=
3283
3284                 cf_sed_options=
3285                 if test -n "${cf_cv_abi_version}" && test "x${cf_cv_abi_version}" != "x5"
3286                 then
3287                         cf_sed_options="$cf_sed_options -e \"s/NCURSES\\([[WT]]\\+\\)\?_/NCURSES\\1${cf_cv_abi_version}_/g\""
3288                         cf_sed_options="$cf_sed_options -e \"/deprecated in ABI${cf_cv_abi_version}/d\""
3289                 fi
3290
3291                 if test "x$WILDCARD_SYMS" = xno
3292                 then
3293                         cf_sed_options="$cf_sed_options -e \"s/_\*;//g\""
3294                 fi
3295
3296                 if test "x$cf_sed_options" != "x"
3297                 then
3298                         cat >>$cf_dir/Makefile <<CF_EOF
3299
3300 # Generated by CF_LIB_RULES
3301 resulting.map: $UNALTERED_SYMS
3302         sed $cf_sed_options < $UNALTERED_SYMS >\[$]@
3303
3304 clean::
3305         rm -f resulting.map
3306 CF_EOF
3307                 fi
3308
3309                 for cf_item in $cf_LIST_MODELS
3310                 do
3311                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3312                         cf_libname=$cf_dir
3313                         test "$cf_dir" = c++ && cf_libname=ncurses++
3314                         if test $cf_item = shared ; then
3315                                 if test -n "${LIB_SUFFIX}"
3316                                 then
3317                                         cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${USE_LIB_SUFFIX}"'//'`
3318                                 else
3319                                         cf_shared_suffix="$cf_suffix"
3320                                 fi
3321                                 if test "$cf_cv_do_symlinks" = yes ; then
3322                                         cf_version_name=
3323
3324                                         case "$cf_cv_shlib_version" in
3325                                         (rel)
3326                                                 cf_version_name=REL_VERSION
3327                                                 ;;
3328                                         (abi)
3329                                                 cf_version_name=ABI_VERSION
3330                                                 ;;
3331                                         esac
3332
3333                                         if test -n "$cf_version_name"
3334                                         then
3335                                                 case "$cf_cv_system_name" in
3336                                                 (darwin*)
3337                                                         # "w", etc?
3338                                                         cf_suffix="${USE_LIB_SUFFIX}"'.${'$cf_version_name'}'"$cf_shared_suffix"
3339                                                         ;;
3340                                                 (*)
3341                                                         cf_suffix="$cf_suffix"'.${'$cf_version_name'}'
3342                                                         ;;
3343                                                 esac
3344                                         fi
3345                                         if test -n "${USE_LIB_SUFFIX}"
3346                                         then
3347                                                 cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${USE_LIB_SUFFIX}"'//'`
3348                                         else
3349                                                 cf_shared_suffix="$cf_suffix"
3350                                         fi
3351                                 fi
3352                                 # cygwin needs import library, and has unique naming convention
3353                                 # use autodetected ${cf_prefix} for import lib and static lib, but
3354                                 # use 'cyg' prefix for shared lib.
3355                                 case $cf_cv_shlib_version in
3356                                 (cygdll)
3357                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3358                                         cf_add_lib="../lib/cyg${cf_libname}${cf_cygsuf}"
3359                                         ;;
3360                                 (msysdll)
3361                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3362                                         cf_add_lib="../lib/msys-${cf_libname}${cf_cygsuf}"
3363                                         ;;
3364                                 (mingw)
3365                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3366                                         cf_add_lib="../lib/lib${cf_libname}${cf_cygsuf}"
3367                                         ;;
3368                                 (*)
3369                                         cf_add_lib=
3370                                         ;;
3371                                 esac
3372                                 if test -n "$cf_add_lib"
3373                                 then
3374                                         Libs_To_Make="$Libs_To_Make $cf_add_lib"
3375                                         continue
3376                                 fi
3377                         fi
3378                         cf_add_lib="../lib/${cf_prefix}${cf_libname}${cf_suffix}"
3379                         Libs_To_Make="$Libs_To_Make $cf_add_lib"
3380                 done
3381
3382                 if test $cf_dir = ncurses ; then
3383                         cf_subsets="$LIB_SUBSETS"
3384                         cf_r_parts="$cf_subsets"
3385                         cf_liblist="$Libs_To_Make"
3386
3387                         while test -n "$cf_r_parts"
3388                         do
3389                                 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
3390                                 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
3391                                 if test "$cf_l_parts" != "$cf_r_parts" ; then
3392                                         cf_add_lib=
3393                                         case $cf_l_parts in
3394                                         (*termlib*)
3395                                                 cf_add_lib=`echo $cf_liblist |sed -e s%${LIB_NAME}${USE_LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
3396                                                 ;;
3397                                         (*ticlib*)
3398                                                 cf_add_lib=`echo $cf_liblist |sed -e s%${LIB_NAME}${USE_LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
3399                                                 ;;
3400                                         (*)
3401                                                 break
3402                                                 ;;
3403                                         esac
3404                                         if test -n "$cf_add_lib"; then
3405                                                 Libs_To_Make="$cf_add_lib $Libs_To_Make"
3406                                         fi
3407                                 else
3408                                         break
3409                                 fi
3410                         done
3411                 else
3412                         cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
3413                 fi
3414
3415                 if test $cf_dir = c++; then
3416                         if test "x$with_shared_cxx" != xyes && test -n "$cf_shared_suffix"; then
3417                                 cf_list=
3418                                 for cf_item in $Libs_To_Make
3419                                 do
3420                                         case $cf_item in
3421                                         (*.a)
3422                                                 ;;
3423                                         (*)
3424                                                 cf_item=`echo "$cf_item" | sed -e "s,"$cf_shared_suffix",.a,"`
3425                                                 ;;
3426                                         esac
3427                                         for cf_test in $cf_list
3428                                         do
3429                                                 if test "$cf_test" = "$cf_item"
3430                                                 then
3431                                                         cf_LIST_MODELS=`echo "$cf_LIST_MODELS" | sed -e 's/normal//'`
3432                                                         cf_item=
3433                                                         break
3434                                                 fi
3435                                         done
3436                                         test -n "$cf_item" && cf_list="$cf_list $cf_item"
3437                                 done
3438                                 Libs_To_Make="$cf_list"
3439                         fi
3440                 fi
3441
3442                 sed -e "s%@Libs_To_Make@%$Libs_To_Make%" \
3443                     -e "s%@SHARED_LIB@%$SHARED_LIB%" \
3444                         $cf_dir/Makefile >$cf_dir/Makefile.out
3445                 mv $cf_dir/Makefile.out $cf_dir/Makefile
3446
3447                 $AWK -f $srcdir/mk-0th.awk \
3448                         libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" ticlib="$TICS_LIB_SUFFIX" termlib="$TINFO_LIB_SUFFIX" \
3449                         $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3450
3451                 for cf_subset in $cf_subsets
3452                 do
3453                         cf_subdirs=
3454                         for cf_item in $cf_LIST_MODELS
3455                         do
3456
3457                         echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
3458                         CF_UPPER(cf_ITEM,$cf_item)
3459
3460                         CXX_MODEL=$cf_ITEM
3461                         if test "$CXX_MODEL" = SHARED; then
3462                                 case $cf_cv_shlib_version in
3463                                 (cygdll|msysdll|mingw)
3464                                         test "x$with_shared_cxx" = xno && CF_VERBOSE(overriding CXX_MODEL to SHARED)
3465                                         with_shared_cxx=yes
3466                                         ;;
3467                                 (*)
3468                                         test "x$with_shared_cxx" = xno && CXX_MODEL=NORMAL
3469                                         ;;
3470                                 esac
3471                         fi
3472
3473                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3474                         CF_OBJ_SUBDIR($cf_item,cf_subdir)
3475
3476                         # Test for case where we build libtinfo with a different name.
3477                         cf_libname=$cf_dir
3478                         if test $cf_dir = ncurses ; then
3479                                 case $cf_subset in
3480                                 (*base*)
3481                                         cf_libname=${cf_libname}$USE_LIB_SUFFIX
3482                                         ;;
3483                                 (*termlib*)
3484                                         cf_libname=$TINFO_LIB_SUFFIX
3485                                         ;;
3486                                 (ticlib*)
3487                                         cf_libname=$TICS_LIB_SUFFIX
3488                                         ;;
3489                                 esac
3490                         elif test $cf_dir = c++ ; then
3491                                 cf_libname=ncurses++$USE_LIB_SUFFIX
3492                         else
3493                                 cf_libname=${cf_libname}$USE_LIB_SUFFIX
3494                         fi
3495                         if test -n "${USE_ARG_SUFFIX}" ; then
3496                                 # undo $USE_LIB_SUFFIX add-on in CF_LIB_SUFFIX
3497                                 cf_suffix=`echo $cf_suffix |sed -e "s%^${USE_LIB_SUFFIX}%%"`
3498                         fi
3499
3500                         # These dependencies really are for development, not
3501                         # builds, but they are useful in porting, too.
3502                         cf_depend="../include/ncurses_cfg.h"
3503                         if test "$srcdir" = "."; then
3504                                 cf_reldir="."
3505                         else
3506                                 cf_reldir="\${srcdir}"
3507                         fi
3508
3509                         if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
3510                                 cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
3511                         elif test -f $srcdir/$cf_dir/curses.priv.h; then
3512                                 cf_depend="$cf_depend $cf_reldir/curses.priv.h"
3513                         fi
3514
3515                         cf_dir_suffix=
3516                         old_cf_suffix="$cf_suffix"
3517                         if test "$cf_cv_shlib_version_infix" = yes ; then
3518                         if test -n "$USE_LIB_SUFFIX" ; then
3519                                 case $USE_LIB_SUFFIX in
3520                                 (tw*)
3521                                         cf_libname=`echo $cf_libname | sed 's/tw'$EXTRA_SUFFIX'$//'`
3522                                         cf_suffix=`echo $cf_suffix | sed 's/^tw'$EXTRA_SUFFIX'//'`
3523                                         cf_dir_suffix=tw$EXTRA_SUFFIX
3524                                         ;;
3525                                 (t*)
3526                                         cf_libname=`echo $cf_libname | sed 's/t'$EXTRA_SUFFIX'$//'`
3527                                         cf_suffix=`echo $cf_suffix | sed 's/^t'$EXTRA_SUFFIX'//'`
3528                                         cf_dir_suffix=t$EXTRA_SUFFIX
3529                                         ;;
3530                                 (w*)
3531                                         cf_libname=`echo $cf_libname | sed 's/w'$EXTRA_SUFFIX'$//'`
3532                                         cf_suffix=`echo $cf_suffix | sed 's/^w'$EXTRA_SUFFIX'//'`
3533                                         cf_dir_suffix=w$EXTRA_SUFFIX
3534                                         ;;
3535                                 (*)
3536                                         cf_libname=`echo $cf_libname | sed 's/'$EXTRA_SUFFIX'$//'`
3537                                         cf_suffix=`echo $cf_suffix | sed 's/^'$EXTRA_SUFFIX'//'`
3538                                         cf_dir_suffix=$EXTRA_SUFFIX
3539                                         ;;
3540                                 esac
3541                         fi
3542                         fi
3543
3544                         $AWK -f $srcdir/mk-1st.awk \
3545                                 name=${cf_libname}${cf_dir_suffix} \
3546                                 traces=$LIB_TRACING \
3547                                 MODEL=$cf_ITEM \
3548                                 CXX_MODEL=$CXX_MODEL \
3549                                 model=$cf_subdir \
3550                                 prefix=$cf_prefix \
3551                                 suffix=$cf_suffix \
3552                                 subset=$cf_subset \
3553                                 driver=$cf_cv_term_driver \
3554                                 SymLink="$LN_S" \
3555                                 TermlibRoot=$TINFO_NAME \
3556                                 TermlibSuffix=$TINFO_SUFFIX \
3557                                 ShlibVer=$cf_cv_shlib_version \
3558                                 ShlibVerInfix=$cf_cv_shlib_version_infix \
3559                                 ReLink=${cf_cv_do_relink:-no} \
3560                                 DoLinks=$cf_cv_do_symlinks \
3561                                 rmSoLocs=$cf_cv_rm_so_locs \
3562                                 ldconfig="$LDCONFIG" \
3563                                 overwrite=$WITH_OVERWRITE \
3564                                 depend="$cf_depend" \
3565                                 host="$host" \
3566                                 libtool_version="$LIBTOOL_VERSION" \
3567                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3568
3569                         cf_suffix="$old_cf_suffix"
3570
3571                         for cf_subdir2 in $cf_subdirs lib
3572                         do
3573                                 test $cf_subdir = $cf_subdir2 && break
3574                         done
3575                         test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
3576                         $AWK -f $srcdir/mk-2nd.awk \
3577                                 name=$cf_dir \
3578                                 traces=$LIB_TRACING \
3579                                 MODEL=$cf_ITEM \
3580                                 model=$cf_subdir \
3581                                 subset=$cf_subset \
3582                                 srcdir=$srcdir \
3583                                 echo=$WITH_ECHO \
3584                                 crenames=$cf_cv_prog_CC_c_o \
3585                                 cxxrenames=$cf_cv_prog_CXX_c_o \
3586                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3587                         cf_subdirs="$cf_subdirs $cf_subdir"
3588                         done
3589                 done
3590         fi
3591
3592         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >>Makefile
3593 done
3594
3595 for cf_dir in $SRC_SUBDIRS
3596 do
3597         if test ! -d $srcdir/$cf_dir ; then
3598                 continue
3599         fi
3600
3601         if test -f $cf_dir/Makefile ; then
3602                 case "$cf_dir" in
3603                 (Ada95)
3604                         echo 'libs \' >> Makefile
3605                         echo 'install.libs \' >> Makefile
3606                         echo 'uninstall.libs ::' >> Makefile
3607                         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >> Makefile
3608                         ;;
3609                 esac
3610         fi
3611
3612         if test -f $srcdir/$cf_dir/modules; then
3613                 echo >> Makefile
3614                 if test -f $srcdir/$cf_dir/headers; then
3615 cat >> Makefile <<CF_EOF
3616 install.includes \\
3617 uninstall.includes \\
3618 CF_EOF
3619                 fi
3620 if test "$cf_dir" != "c++" ; then
3621 echo 'lint \' >> Makefile
3622 fi
3623 cat >> Makefile <<CF_EOF
3624 libs \\
3625 lintlib \\
3626 install.libs \\
3627 uninstall.libs \\
3628 install.$cf_dir \\
3629 uninstall.$cf_dir ::
3630         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3631 CF_EOF
3632         elif test -f $srcdir/$cf_dir/headers; then
3633 cat >> Makefile <<CF_EOF
3634
3635 libs \\
3636 install.libs \\
3637 uninstall.libs \\
3638 install.includes \\
3639 uninstall.includes ::
3640         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3641 CF_EOF
3642 fi
3643 done
3644
3645 if test "x$cf_with_db_install" = xyes; then
3646 cat >> Makefile <<CF_EOF
3647
3648 install.libs uninstall.libs \\
3649 install.data uninstall.data ::
3650 $MAKE_TERMINFO  cd misc && \${MAKE} \${TOP_MFLAGS} \[$]@
3651 CF_EOF
3652 else
3653 cat >> Makefile <<CF_EOF
3654
3655 install.libs uninstall.libs ::
3656         cd misc && \${MAKE} \${TOP_MFLAGS} \[$]@
3657 CF_EOF
3658 fi
3659
3660 if test "x$cf_with_manpages" = xyes; then
3661 cat >> Makefile <<CF_EOF
3662
3663 install.man \\
3664 uninstall.man ::
3665         cd man && \${MAKE} \${TOP_MFLAGS} \[$]@
3666 CF_EOF
3667 fi
3668
3669 cat >> Makefile <<CF_EOF
3670
3671 distclean ::
3672         rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
3673         rm -f headers.sh headers.sed mk_shared_lib.sh
3674         rm -f edit_man.* man_alias.*
3675         rm -rf \${DIRS_TO_MAKE}
3676 CF_EOF
3677
3678 # Special case: tack's manpage lives in its own directory.
3679 if test "x$cf_with_manpages" = xyes; then
3680 if test -d tack ; then
3681 if test -f $srcdir/$tack.h; then
3682 cat >> Makefile <<CF_EOF
3683
3684 install.man \\
3685 uninstall.man ::
3686         cd tack && \${MAKE} \${TOP_MFLAGS} \[$]@
3687 CF_EOF
3688 fi
3689 fi
3690 fi
3691
3692 dnl If we're installing into a subdirectory of /usr/include, etc., we should
3693 dnl prepend the subdirectory's name to the "#include" paths.  It won't hurt
3694 dnl anything, and will make it more standardized.  It's awkward to decide this
3695 dnl at configuration because of quoting, so we'll simply make all headers
3696 dnl installed via a script that can do the right thing.
3697
3698 rm -f headers.sed headers.sh
3699
3700 dnl ( generating this script makes the makefiles a little tidier :-)
3701 echo creating headers.sh
3702 cat >headers.sh <<CF_EOF
3703 #! $SHELL
3704 # This shell script is generated by the 'configure' script.  It is invoked in a
3705 # subdirectory of the build tree.  It generates a sed-script in the parent
3706 # directory that is used to adjust includes for header files that reside in a
3707 # subdirectory of /usr/include, etc.
3708 PRG=""
3709 while test \[$]# != 3
3710 do
3711 PRG="\$PRG \[$]1"; shift
3712 done
3713 DST=\[$]1
3714 REF=\[$]2
3715 SRC=\[$]3
3716 TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
3717 TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
3718 echo installing \$SRC in \$DST
3719 CF_EOF
3720
3721 if test $WITH_CURSES_H = yes; then
3722         cat >>headers.sh <<CF_EOF
3723 case \$DST in
3724 (/*/include/*)
3725         END=\`basename \$DST\`
3726         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3727         do
3728                 NAME=\`basename \$i\`
3729                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3730         done
3731         ;;
3732 (*)
3733         echo "" >> \$TMPSED
3734         ;;
3735 esac
3736 CF_EOF
3737
3738 else
3739         cat >>headers.sh <<CF_EOF
3740 case \$DST in
3741 (/*/include/*)
3742         END=\`basename \$DST\`
3743         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3744         do
3745                 NAME=\`basename \$i\`
3746                 if test "\$NAME" = "curses.h"
3747                 then
3748                         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3749                         NAME=ncurses.h
3750                 fi
3751                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3752         done
3753         ;;
3754 (*)
3755         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3756         ;;
3757 esac
3758 CF_EOF
3759 fi
3760 cat >>headers.sh <<CF_EOF
3761 rm -f \$TMPSRC
3762 sed -f \$TMPSED \$SRC > \$TMPSRC
3763 NAME=\`basename \$SRC\`
3764 CF_EOF
3765 if test $WITH_CURSES_H != yes; then
3766         cat >>headers.sh <<CF_EOF
3767 test "\$NAME" = "curses.h" && NAME=ncurses.h
3768 CF_EOF
3769 fi
3770 cat >>headers.sh <<CF_EOF
3771 # Just in case someone gzip'd manpages, remove the conflicting copy.
3772 test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
3773
3774 eval \$PRG \$TMPSRC \$DST/\$NAME
3775 rm -f \$TMPSRC \$TMPSED
3776 CF_EOF
3777
3778 chmod 0755 headers.sh
3779
3780 for cf_dir in $SRC_SUBDIRS
3781 do
3782         if test ! -d $srcdir/$cf_dir ; then
3783                 continue
3784         fi
3785
3786         if test -f $srcdir/$cf_dir/headers; then
3787                 $AWK -f $srcdir/mk-hdr.awk \
3788                         subset="$LIB_SUBSETS" \
3789                         compat="$WITH_CURSES_H" \
3790                         $srcdir/$cf_dir/headers >>$cf_dir/Makefile
3791         fi
3792
3793         if test -f $srcdir/$cf_dir/modules; then
3794                 if test "$cf_dir" != "c++" ; then
3795                         cat >>$cf_dir/Makefile <<"CF_EOF"
3796 depend : ${AUTO_SRC}
3797         makedepend -- ${CPPFLAGS} -- ${C_SRC}
3798
3799 # DO NOT DELETE THIS LINE -- make depend depends on it.
3800 CF_EOF
3801                 fi
3802         fi
3803 done
3804 AC_SUBST(Libs_To_Make)
3805 ])dnl
3806 dnl ---------------------------------------------------------------------------
3807 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
3808 dnl -------------
3809 dnl Find the and soname for the given shared library.  Set the cache variable
3810 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
3811 dnl variable to "unknown".
3812 dnl
3813 dnl $1 = headers
3814 dnl $2 = code
3815 dnl $3 = library name
3816 AC_DEFUN([CF_LIB_SONAME],
3817 [
3818 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
3819
3820 cf_cv_$3_soname=unknown
3821 if test "$cross_compiling" != yes ; then
3822 cat >conftest.$ac_ext <<CF_EOF
3823 $1
3824 int main()
3825 {
3826 $2
3827         ${cf_cv_main_return:-return}(0);
3828 }
3829 CF_EOF
3830 cf_save_LIBS="$LIBS"
3831         CF_ADD_LIB($3)
3832         if AC_TRY_EVAL(ac_compile) ; then
3833                 if AC_TRY_EVAL(ac_link) ; then
3834                         cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
3835                         test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
3836                 fi
3837         fi
3838 rm -rf conftest*
3839 LIBS="$cf_save_LIBS"
3840 fi
3841 ])
3842 ])
3843 dnl ---------------------------------------------------------------------------
3844 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
3845 dnl -------------
3846 dnl Compute the library file-suffix from the given model name
3847 dnl $1 = model name
3848 dnl $2 = variable to set (the nominal library suffix)
3849 dnl $3 = dependency variable to set (actual filename)
3850 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3851 AC_DEFUN([CF_LIB_SUFFIX],
3852 [
3853         case X$1 in
3854         (Xlibtool)
3855                 $2='.la'
3856                 $3=[$]$2
3857                 ;;
3858         (Xdebug)
3859                 $2='_g.a'
3860                 $3=[$]$2
3861                 ;;
3862         (Xprofile)
3863                 $2='_p.a'
3864                 $3=[$]$2
3865                 ;;
3866         (Xshared)
3867                 case $cf_cv_system_name in
3868                 (aix[[5-7]]*)
3869                         $2='.so'
3870                         $3=[$]$2
3871                         ;;
3872                 (cygwin*|msys*|mingw*)
3873                         $2='.dll'
3874                         $3='.dll.a'
3875                         ;;
3876                 (darwin*)
3877                         $2='.dylib'
3878                         $3=[$]$2
3879                         ;;
3880                 (hpux*)
3881                         case $target in
3882                         (ia64*)
3883                                 $2='.so'
3884                                 $3=[$]$2
3885                                 ;;
3886                         (*)
3887                                 $2='.sl'
3888                                 $3=[$]$2
3889                                 ;;
3890                         esac
3891                         ;;
3892                 (*)
3893                         $2='.so'
3894                         $3=[$]$2
3895                         ;;
3896                 esac
3897                 ;;
3898         (*)
3899                 $2='.a'
3900                 $3=[$]$2
3901                 ;;
3902         esac
3903         if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
3904         then
3905                 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
3906                 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
3907         fi
3908 ])dnl
3909 dnl ---------------------------------------------------------------------------
3910 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
3911 dnl -----------
3912 dnl Compute the string to append to -library from the given model name
3913 dnl $1 = model name
3914 dnl $2 = variable to set
3915 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3916 AC_DEFUN([CF_LIB_TYPE],
3917 [
3918         case $1 in
3919         (libtool) $2=''   ;;
3920         (normal)  $2=''   ;;
3921         (debug)   $2='_g' ;;
3922         (profile) $2='_p' ;;
3923         (shared)  $2=''   ;;
3924         esac
3925         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3926 ])dnl
3927 dnl ---------------------------------------------------------------------------
3928 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
3929 dnl ----------------
3930 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
3931 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
3932 dnl have to provide wrappers for global tables to ensure they're linked
3933 dnl properly.
3934 AC_DEFUN([CF_LINK_DATAONLY],
3935 [
3936 AC_MSG_CHECKING([if data-only library module links])
3937 AC_CACHE_VAL(cf_cv_link_dataonly,[
3938         rm -f conftest.a
3939         cat >conftest.$ac_ext <<EOF
3940 #line __oline__ "configure"
3941 int     testdata[[3]] = { 123, 456, 789 };
3942 EOF
3943         if AC_TRY_EVAL(ac_compile) ; then
3944                 mv conftest.o data.o && \
3945                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
3946         fi
3947         rm -f conftest.$ac_ext data.o
3948         cat >conftest.$ac_ext <<EOF
3949 #line __oline__ "configure"
3950 int     testfunc()
3951 {
3952 #if defined(NeXT)
3953         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
3954 #else
3955         extern int testdata[[3]];
3956         return testdata[[0]] == 123
3957            &&  testdata[[1]] == 456
3958            &&  testdata[[2]] == 789;
3959 #endif
3960 }
3961 EOF
3962         if AC_TRY_EVAL(ac_compile); then
3963                 mv conftest.o func.o && \
3964                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
3965         fi
3966         rm -f conftest.$ac_ext func.o
3967         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
3968         cf_saveLIBS="$LIBS"
3969         LIBS="conftest.a $LIBS"
3970         AC_TRY_RUN([
3971         int main()
3972         {
3973                 extern int testfunc();
3974                 ${cf_cv_main_return:-return} (!testfunc());
3975         }
3976         ],
3977         [cf_cv_link_dataonly=yes],
3978         [cf_cv_link_dataonly=no],
3979         [cf_cv_link_dataonly=unknown])
3980         LIBS="$cf_saveLIBS"
3981         ])
3982 AC_MSG_RESULT($cf_cv_link_dataonly)
3983
3984 if test "$cf_cv_link_dataonly" = no ; then
3985         AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
3986         BROKEN_LINKER=1
3987 fi
3988
3989 ])dnl
3990 dnl ---------------------------------------------------------------------------
3991 dnl CF_LINK_FUNCS version: 8 updated: 2012/10/06 17:56:13
3992 dnl -------------
3993 dnl Most Unix systems have both link and symlink, a few don't have symlink.
3994 dnl A few non-Unix systems implement symlink, but not link.
3995 dnl A few non-systems implement neither (or have nonfunctional versions).
3996 AC_DEFUN([CF_LINK_FUNCS],
3997 [
3998 AC_CHECK_FUNCS( \
3999         remove \
4000         unlink )
4001
4002 if test "$cross_compiling" = yes ; then
4003         AC_CHECK_FUNCS( \
4004                 link \
4005                 symlink )
4006 else
4007         AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[
4008                 cf_cv_link_funcs=
4009                 for cf_func in link symlink ; do
4010                         AC_TRY_RUN([
4011 #include <sys/types.h>
4012 #include <sys/stat.h>
4013 #ifdef HAVE_UNISTD_H
4014 #include <unistd.h>
4015 #endif
4016 int main()
4017 {
4018         int fail = 0;
4019         char *src = "config.log";
4020         char *dst = "conftest.chk";
4021         struct stat src_sb;
4022         struct stat dst_sb;
4023
4024         stat(src, &src_sb);
4025         fail = ($cf_func("config.log", "conftest.chk") < 0)
4026             || (stat(dst, &dst_sb) < 0)
4027             || (dst_sb.st_mtime != src_sb.st_mtime);
4028 #ifdef HAVE_UNLINK
4029         unlink(dst);
4030 #else
4031         remove(dst);
4032 #endif
4033         ${cf_cv_main_return:-return} (fail);
4034 }
4035                         ],[
4036                         cf_cv_link_funcs="$cf_cv_link_funcs $cf_func"
4037                         eval 'ac_cv_func_'$cf_func'=yes'],[
4038                         eval 'ac_cv_func_'$cf_func'=no'],[
4039                         eval 'ac_cv_func_'$cf_func'=error'])
4040                 done
4041                 test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no
4042         ])
4043         test "$ac_cv_func_link"    = yes && AC_DEFINE(HAVE_LINK,1,[Define to 1 if we have link() function])
4044         test "$ac_cv_func_symlink" = yes && AC_DEFINE(HAVE_SYMLINK,1,[Define to 1 if we have symlink() function])
4045 fi
4046 ])dnl
4047 dnl ---------------------------------------------------------------------------
4048 dnl CF_MAKEFLAGS version: 17 updated: 2015/08/05 20:44:28
4049 dnl ------------
4050 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
4051 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
4052 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
4053 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
4054 AC_DEFUN([CF_MAKEFLAGS],
4055 [
4056 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
4057         cf_cv_makeflags=''
4058         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
4059         do
4060                 cat >cf_makeflags.tmp <<CF_EOF
4061 SHELL = $SHELL
4062 all :
4063         @ echo '.$cf_option'
4064 CF_EOF
4065                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
4066                 case "$cf_result" in
4067                 (.*k|.*kw)
4068                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
4069                         case "$cf_result" in
4070                         (.*CC=*)        cf_cv_makeflags=
4071                                 ;;
4072                         (*)     cf_cv_makeflags=$cf_option
4073                                 ;;
4074                         esac
4075                         break
4076                         ;;
4077                 (.-)    ;;
4078                 (*)     echo "given option \"$cf_option\", no match \"$cf_result\""
4079                         ;;
4080                 esac
4081         done
4082         rm -f cf_makeflags.tmp
4083 ])
4084
4085 AC_SUBST(cf_cv_makeflags)
4086 ])dnl
4087 dnl ---------------------------------------------------------------------------
4088 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
4089 dnl ------------
4090 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
4091 dnl a monocase filesystem.
4092 AC_DEFUN([CF_MAKE_TAGS],[
4093 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
4094
4095 AC_CHECK_PROGS(CTAGS, exctags ctags)
4096 AC_CHECK_PROGS(ETAGS, exetags etags)
4097
4098 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
4099
4100 if test "$cf_cv_mixedcase" = yes ; then
4101         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
4102 else
4103         MAKE_UPPER_TAGS=no
4104 fi
4105
4106 if test "$MAKE_UPPER_TAGS" = yes ; then
4107         MAKE_UPPER_TAGS=
4108 else
4109         MAKE_UPPER_TAGS="#"
4110 fi
4111
4112 if test "$MAKE_LOWER_TAGS" = yes ; then
4113         MAKE_LOWER_TAGS=
4114 else
4115         MAKE_LOWER_TAGS="#"
4116 fi
4117
4118 AC_SUBST(CTAGS)
4119 AC_SUBST(ETAGS)
4120
4121 AC_SUBST(MAKE_UPPER_TAGS)
4122 AC_SUBST(MAKE_LOWER_TAGS)
4123 ])dnl
4124 dnl ---------------------------------------------------------------------------
4125 dnl CF_MANPAGE_FORMAT version: 11 updated: 2015/04/18 08:56:57
4126 dnl -----------------
4127 dnl Option to allow user to override automatic configuration of manpage format.
4128 dnl There are several special cases:
4129 dnl
4130 dnl     gzip - man checks for, can display gzip'd files
4131 dnl     compress - man checks for, can display compressed files
4132 dnl     BSDI - files in the cat-directories are suffixed ".0"
4133 dnl     formatted - installer should format (put files in cat-directory)
4134 dnl     catonly - installer should only format, e.g., for a turnkey system.
4135 dnl
4136 dnl There are other configurations which this macro does not test, e.g., HPUX's
4137 dnl compressed manpages (but uncompressed manpages are fine, and HPUX's naming
4138 dnl convention would not match our use).
4139 AC_DEFUN([CF_MANPAGE_FORMAT],
4140 [
4141 AC_REQUIRE([CF_PATHSEP])
4142 AC_MSG_CHECKING(format of man-pages)
4143
4144 AC_ARG_WITH(manpage-format,
4145         [  --with-manpage-format   specify manpage-format: gzip/compress/BSDI/normal and
4146                           optionally formatted/catonly, e.g., gzip,formatted],
4147         [MANPAGE_FORMAT=$withval],
4148         [MANPAGE_FORMAT=unknown])
4149
4150 test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=unknown
4151 MANPAGE_FORMAT=`echo "$MANPAGE_FORMAT" | sed -e 's/,/ /g'`
4152
4153 cf_unknown=
4154
4155 case $MANPAGE_FORMAT in
4156 (unknown)
4157         if test -z "$MANPATH" ; then
4158                 MANPATH="/usr/man:/usr/share/man"
4159         fi
4160
4161         # look for the 'date' man-page (it's most likely to be installed!)
4162         MANPAGE_FORMAT=
4163         cf_preform=no
4164         cf_catonly=yes
4165         cf_example=date
4166
4167         IFS="${IFS:-    }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
4168         for cf_dir in $MANPATH; do
4169                 test -z "$cf_dir" && cf_dir=/usr/man
4170                 for cf_name in $cf_dir/man*/$cf_example.[[01]]* $cf_dir/cat*/$cf_example.[[01]]* $cf_dir/man*/$cf_example $cf_dir/cat*/$cf_example
4171                 do
4172                         cf_test=`echo $cf_name | sed -e 's/*//'`
4173                         if test "x$cf_test" = "x$cf_name" ; then
4174
4175                                 case "$cf_name" in
4176                                 (*.gz) MANPAGE_FORMAT="$MANPAGE_FORMAT gzip";;
4177                                 (*.Z)  MANPAGE_FORMAT="$MANPAGE_FORMAT compress";;
4178                                 (*.0)  MANPAGE_FORMAT="$MANPAGE_FORMAT BSDI";;
4179                                 (*)    MANPAGE_FORMAT="$MANPAGE_FORMAT normal";;
4180                                 esac
4181
4182                                 case "$cf_name" in
4183                                 ($cf_dir/man*)
4184                                         cf_catonly=no
4185                                         ;;
4186                                 ($cf_dir/cat*)
4187                                         cf_preform=yes
4188                                         ;;
4189                                 esac
4190                                 break
4191                         fi
4192
4193                         # if we found a match in either man* or cat*, stop looking
4194                         if test -n "$MANPAGE_FORMAT" ; then
4195                                 cf_found=no
4196                                 test "$cf_preform" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT formatted"
4197                                 test "$cf_catonly" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT catonly"
4198                                 case "$cf_name" in
4199                                 ($cf_dir/cat*)
4200                                         cf_found=yes
4201                                         ;;
4202                                 esac
4203                                 test $cf_found=yes && break
4204                         fi
4205                 done
4206                 # only check the first directory in $MANPATH where we find manpages
4207                 if test -n "$MANPAGE_FORMAT" ; then
4208                         break
4209                 fi
4210         done
4211         # if we did not find the example, just assume it is normal
4212         test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=normal
4213         IFS="$ac_save_ifs"
4214         ;;
4215 (*)
4216         for cf_option in $MANPAGE_FORMAT; do
4217         case $cf_option in
4218         (gzip|compress|BSDI|normal|formatted|catonly)
4219                 ;;
4220         (*)
4221                 cf_unknown="$cf_unknown $cf_option"
4222                 ;;
4223         esac
4224         done
4225         ;;
4226 esac
4227
4228 AC_MSG_RESULT($MANPAGE_FORMAT)
4229 if test -n "$cf_unknown" ; then
4230         AC_MSG_WARN(Unexpected manpage-format $cf_unknown)
4231 fi
4232 ])dnl
4233 dnl ---------------------------------------------------------------------------
4234 dnl CF_MANPAGE_RENAMES version: 10 updated: 2015/08/05 20:44:28
4235 dnl ------------------
4236 dnl The Debian people have their own naming convention for manpages.  This
4237 dnl option lets us override the name of the file containing renaming, or
4238 dnl disable it altogether.
4239 AC_DEFUN([CF_MANPAGE_RENAMES],
4240 [
4241 AC_MSG_CHECKING(for manpage renaming)
4242
4243 AC_ARG_WITH(manpage-renames,
4244         [  --with-manpage-renames  specify manpage-renaming],
4245         [MANPAGE_RENAMES=$withval],
4246         [MANPAGE_RENAMES=yes])
4247
4248 case ".$MANPAGE_RENAMES" in
4249 (.no)
4250         ;;
4251 (.|.yes)
4252         # Debian 'man' program?
4253         if test -f /etc/debian_version ; then
4254                 MANPAGE_RENAMES=`cd $srcdir && pwd`/man/man_db.renames
4255         else
4256                 MANPAGE_RENAMES=no
4257         fi
4258         ;;
4259 esac
4260
4261 if test "$MANPAGE_RENAMES" != no ; then
4262         if test -f $srcdir/man/$MANPAGE_RENAMES ; then
4263                 MANPAGE_RENAMES=`cd $srcdir/man && pwd`/$MANPAGE_RENAMES
4264         elif test ! -f $MANPAGE_RENAMES ; then
4265                 AC_MSG_ERROR(not a filename: $MANPAGE_RENAMES)
4266         fi
4267
4268         test ! -d man && mkdir man
4269
4270         # Construct a sed-script to perform renaming within man-pages
4271         if test -n "$MANPAGE_RENAMES" ; then
4272                 test ! -d man && mkdir man
4273                 $SHELL $srcdir/man/make_sed.sh $MANPAGE_RENAMES >./edit_man.sed
4274         fi
4275 fi
4276
4277 AC_MSG_RESULT($MANPAGE_RENAMES)
4278 AC_SUBST(MANPAGE_RENAMES)
4279 ])dnl
4280 dnl ---------------------------------------------------------------------------
4281 dnl CF_MANPAGE_SYMLINKS version: 6 updated: 2015/04/17 21:13:04
4282 dnl -------------------
4283 dnl Some people expect each tool to make all aliases for manpages in the
4284 dnl man-directory.  This accommodates the older, less-capable implementations
4285 dnl of 'man', and is optional.
4286 AC_DEFUN([CF_MANPAGE_SYMLINKS],
4287 [
4288 AC_MSG_CHECKING(if manpage aliases will be installed)
4289
4290 AC_ARG_WITH(manpage-aliases,
4291         [  --with-manpage-aliases  specify manpage-aliases using .so],
4292         [MANPAGE_ALIASES=$withval],
4293         [MANPAGE_ALIASES=yes])
4294
4295 AC_MSG_RESULT($MANPAGE_ALIASES)
4296
4297 case "x$LN_S" in
4298 (xln*)
4299         cf_use_symlinks=yes
4300         ;;
4301 (*)
4302         cf_use_symlinks=no
4303         ;;
4304 esac
4305
4306 MANPAGE_SYMLINKS=no
4307 if test "$MANPAGE_ALIASES" = yes ; then
4308 AC_MSG_CHECKING(if manpage symlinks should be used)
4309
4310 AC_ARG_WITH(manpage-symlinks,
4311         [  --with-manpage-symlinks specify manpage-aliases using symlinks],
4312         [MANPAGE_SYMLINKS=$withval],
4313         [MANPAGE_SYMLINKS=$cf_use_symlinks])
4314
4315 if test "$$cf_use_symlinks" = no; then
4316 if test "$MANPAGE_SYMLINKS" = yes ; then
4317         AC_MSG_WARN(cannot make symlinks, will use .so files)
4318         MANPAGE_SYMLINKS=no
4319 fi
4320 fi
4321
4322 AC_MSG_RESULT($MANPAGE_SYMLINKS)
4323 fi
4324
4325 ])dnl
4326 dnl ---------------------------------------------------------------------------
4327 dnl CF_MANPAGE_TBL version: 3 updated: 2002/01/19 22:51:32
4328 dnl --------------
4329 dnl This option causes manpages to be run through tbl(1) to generate tables
4330 dnl correctly.
4331 AC_DEFUN([CF_MANPAGE_TBL],
4332 [
4333 AC_MSG_CHECKING(for manpage tbl)
4334
4335 AC_ARG_WITH(manpage-tbl,
4336         [  --with-manpage-tbl      specify manpage processing with tbl],
4337         [MANPAGE_TBL=$withval],
4338         [MANPAGE_TBL=no])
4339
4340 AC_MSG_RESULT($MANPAGE_TBL)
4341 ])dnl
4342 dnl ---------------------------------------------------------------------------
4343 dnl CF_MAN_PAGES version: 46 updated: 2015/08/05 20:44:28
4344 dnl ------------
4345 dnl Try to determine if the man-pages on the system are compressed, and if
4346 dnl so, what format is used.  Use this information to construct a script that
4347 dnl will install man-pages.
4348 AC_DEFUN([CF_MAN_PAGES],
4349 [
4350 CF_HELP_MESSAGE(Options to Specify How Manpages are Installed:)
4351 CF_MANPAGE_FORMAT
4352 CF_MANPAGE_RENAMES
4353 CF_MANPAGE_SYMLINKS
4354 CF_MANPAGE_TBL
4355
4356 if test "$prefix" = "NONE" ; then
4357         cf_prefix="$ac_default_prefix"
4358 else
4359         cf_prefix="$prefix"
4360 fi
4361
4362 case "$MANPAGE_FORMAT" in
4363 (*catonly*)
4364         cf_format=yes
4365         cf_inboth=no
4366         ;;
4367 (*formatted*)
4368         cf_format=yes
4369         cf_inboth=yes
4370         ;;
4371 (*)
4372         cf_format=no
4373         cf_inboth=no
4374         ;;
4375 esac
4376
4377 test ! -d man && mkdir man
4378
4379 cf_so_strip=
4380 cf_compress=
4381 case "$MANPAGE_FORMAT" in
4382 (*compress*)
4383         cf_so_strip="Z"
4384         cf_compress=compress
4385         ;;
4386 (*gzip*)
4387         cf_so_strip="gz"
4388         cf_compress=gzip
4389         ;;
4390 esac
4391
4392 cf_edit_man=./edit_man.sh
4393 cf_man_alias=`pwd`/man_alias.sed
4394
4395 cat >$cf_edit_man <<CF_EOF
4396 #! $SHELL
4397 # this script is generated by the configure-script CF_MAN_PAGES macro.
4398
4399 prefix="$cf_prefix"
4400 datarootdir="$datarootdir"
4401 datadir="$datadir"
4402
4403 NCURSES_MAJOR="$NCURSES_MAJOR"
4404 NCURSES_MINOR="$NCURSES_MINOR"
4405 NCURSES_PATCH="$NCURSES_PATCH"
4406
4407 NCURSES_OSPEED="$NCURSES_OSPEED"
4408 TERMINFO="$TERMINFO"
4409
4410 INSTALL="$INSTALL"
4411 INSTALL_DATA="$INSTALL_DATA"
4412
4413 transform="$program_transform_name"
4414
4415 TMP=\${TMPDIR:=/tmp}/man\$\$
4416 trap "rm -f \$TMP" 0 1 2 5 15
4417
4418 form=\[$]1
4419 shift || exit 1
4420
4421 verb=\[$]1
4422 shift || exit 1
4423
4424 mandir=\[$]1
4425 shift || exit 1
4426
4427 srcdir=\[$]1
4428 top_srcdir=\[$]srcdir/..
4429 shift || exit 1
4430
4431 if test "\$form" = normal ; then
4432         if test "$cf_format" = yes ; then
4433         if test "$cf_inboth" = no ; then
4434                 $SHELL \[$]0 format \$verb \$mandir \$srcdir \[$]*
4435                 exit $?
4436         fi
4437         fi
4438         cf_subdir=\$mandir/man
4439         cf_tables=$MANPAGE_TBL
4440 else
4441         cf_subdir=\$mandir/cat
4442         cf_tables=yes
4443 fi
4444
4445 # process the list of source-files
4446 for i in \[$]* ; do
4447 case \$i in
4448 (*.orig|*.rej) ;;
4449 (*.[[0-9]]*)
4450         section=\`expr "\$i" : '.*\\.\\([[0-9]]\\)[[xm]]*'\`;
4451         if test \$verb = installing ; then
4452         if test ! -d \$cf_subdir\${section} ; then
4453                 mkdir -p \$cf_subdir\$section
4454         fi
4455         fi
4456
4457         # replace variables in man page
4458         if test ! -f $cf_man_alias ; then
4459 cat >>$cf_man_alias <<-CF_EOF2
4460                 s,@DATADIR@,\$datadir,g
4461                 s,@TERMINFO@,\${TERMINFO:="no default value"},g
4462                 s,@TERMINFO_DIRS@,\${TERMINFO_DIRS:="no default value"},g
4463                 s,@NCURSES_MAJOR@,\${NCURSES_MAJOR:="no default value"},g
4464                 s,@NCURSES_MINOR@,\${NCURSES_MINOR:="no default value"},g
4465                 s,@NCURSES_PATCH@,\${NCURSES_PATCH:="no default value"},g
4466                 s,@NCURSES_OSPEED@,\${NCURSES_OSPEED:="no default value"},g
4467 CF_EOF
4468         ifelse($1,,,[
4469         for cf_name in $1
4470         do
4471                 cf_NAME=`echo "$cf_name" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4472                 cf_name=`echo $cf_name|sed "$program_transform_name"`
4473 cat >>$cf_edit_man <<-CF_EOF
4474                 s,@$cf_NAME@,$cf_name,g
4475 CF_EOF
4476         done
4477         ])
4478 cat >>$cf_edit_man <<CF_EOF
4479 CF_EOF2
4480                 echo "...made $cf_man_alias"
4481         fi
4482
4483         aliases=
4484         cf_source=\`basename \$i\`
4485         inalias=\$cf_source
4486         test ! -f \$inalias && inalias="\$srcdir/\$inalias"
4487         if test ! -f \$inalias ; then
4488                 echo .. skipped \$cf_source
4489                 continue
4490         fi
4491 CF_EOF
4492
4493 if test "$MANPAGE_ALIASES" != no ; then
4494 cat >>$cf_edit_man <<CF_EOF
4495         nCurses=ignore.3x
4496         test $with_curses_h = yes && nCurses=ncurses.3x
4497         aliases=\`sed -f \$top_srcdir/man/manlinks.sed \$inalias |sed -f $cf_man_alias | sort -u; test \$inalias = \$nCurses && echo curses\`
4498 CF_EOF
4499 fi
4500
4501 if test "$MANPAGE_RENAMES" = no ; then
4502 cat >>$cf_edit_man <<CF_EOF
4503         # perform program transformations for section 1 man pages
4504         if test \$section = 1 ; then
4505                 cf_target=\$cf_subdir\${section}/\`echo \$cf_source|sed "\${transform}"\`
4506         else
4507                 cf_target=\$cf_subdir\${section}/\$cf_source
4508         fi
4509 CF_EOF
4510 else
4511 cat >>$cf_edit_man <<CF_EOF
4512         cf_target=\`grep "^\$cf_source" $MANPAGE_RENAMES | $AWK '{print \[$]2}'\`
4513         if test -z "\$cf_target" ; then
4514                 echo '? missing rename for '\$cf_source
4515                 cf_target="\$cf_source"
4516         fi
4517         cf_target="\$cf_subdir\${section}/\${cf_target}"
4518
4519 CF_EOF
4520 fi
4521
4522 cat >>$cf_edit_man <<CF_EOF
4523         sed     -f $cf_man_alias \\
4524 CF_EOF
4525
4526 if test -f $MANPAGE_RENAMES ; then
4527 cat >>$cf_edit_man <<CF_EOF
4528                 < \$i | sed -f `pwd`/edit_man.sed >\$TMP
4529 CF_EOF
4530 else
4531 cat >>$cf_edit_man <<CF_EOF
4532                 < \$i >\$TMP
4533 CF_EOF
4534 fi
4535
4536 cat >>$cf_edit_man <<CF_EOF
4537 if test \$cf_tables = yes ; then
4538         tbl \$TMP >\$TMP.out
4539         mv \$TMP.out \$TMP
4540 fi
4541 CF_EOF
4542
4543 if test $with_overwrite != yes ; then
4544 cat >>$cf_edit_man <<CF_EOF
4545         sed -e "/\#[    ]*include/s,<curses.h,<ncurses$LIB_SUFFIX/curses.h," < \$TMP >\$TMP.out
4546         mv \$TMP.out \$TMP
4547 CF_EOF
4548 fi
4549
4550 if test $with_curses_h != yes ; then
4551 cat >>$cf_edit_man <<CF_EOF
4552         sed -e "/\#[    ]*include/s,curses.h,ncurses.h," < \$TMP >\$TMP.out
4553         mv \$TMP.out \$TMP
4554 CF_EOF
4555 fi
4556
4557 cat >>$cf_edit_man <<CF_EOF
4558         if test \$form = format ; then
4559                 nroff -man \$TMP >\$TMP.out
4560                 mv \$TMP.out \$TMP
4561         fi
4562 CF_EOF
4563
4564 if test -n "$cf_compress" ; then
4565 cat >>$cf_edit_man <<CF_EOF
4566         if test \$verb = installing ; then
4567         if ( $cf_compress -f \$TMP )
4568         then
4569                 mv \$TMP.$cf_so_strip \$TMP
4570         fi
4571         fi
4572         cf_target="\$cf_target.$cf_so_strip"
4573 CF_EOF
4574 fi
4575
4576 case "$MANPAGE_FORMAT" in
4577 (*BSDI*)
4578 cat >>$cf_edit_man <<CF_EOF
4579         if test \$form = format ; then
4580                 # BSDI installs only .0 suffixes in the cat directories
4581                 cf_target="\`echo \$cf_target|sed -e 's/\.[[1-9]]\+[[a-z]]*/.0/'\`"
4582         fi
4583 CF_EOF
4584   ;;
4585 esac
4586
4587 cat >>$cf_edit_man <<CF_EOF
4588         suffix=\`basename \$cf_target | sed -e 's%^[[^.]]*%%'\`
4589         if test \$verb = installing ; then
4590                 echo \$verb \$cf_target
4591                 \$INSTALL_DATA \$TMP \$cf_target
4592                 test -d \$cf_subdir\${section} &&
4593                 test -n "\$aliases" && (
4594                         cd \$cf_subdir\${section} && (
4595                                 cf_source=\`echo \$cf_target |sed -e 's%^.*/\([[^/]][[^/]]*/[[^/]][[^/]]*$\)%\1%'\`
4596                                 test -n "$cf_so_strip" && cf_source=\`echo \$cf_source |sed -e 's%\.$cf_so_strip\$%%'\`
4597                                 cf_target=\`basename \$cf_target\`
4598                                 for cf_alias in \$aliases
4599                                 do
4600                                         if test \$section = 1 ; then
4601                                                 cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
4602                                         fi
4603
4604                                         if test "$MANPAGE_SYMLINKS" = yes ; then
4605                                                 if test -f \$cf_alias\${suffix} ; then
4606                                                         if ( cmp -s \$cf_target \$cf_alias\${suffix} )
4607                                                         then
4608                                                                 continue
4609                                                         fi
4610                                                 fi
4611                                                 echo .. \$verb alias \$cf_alias\${suffix}
4612 CF_EOF
4613 case "x$LN_S" in
4614 (*-f)
4615 cat >>$cf_edit_man <<CF_EOF
4616                                                 $LN_S \$cf_target \$cf_alias\${suffix}
4617 CF_EOF
4618         ;;
4619 (*)
4620 cat >>$cf_edit_man <<CF_EOF
4621                                                 rm -f \$cf_alias\${suffix}
4622                                                 $LN_S \$cf_target \$cf_alias\${suffix}
4623 CF_EOF
4624         ;;
4625 esac
4626 cat >>$cf_edit_man <<CF_EOF
4627                                         elif test "\$cf_target" != "\$cf_alias\${suffix}" ; then
4628                                                 echo ".so \$cf_source" >\$TMP
4629 CF_EOF
4630 if test -n "$cf_compress" ; then
4631 cat >>$cf_edit_man <<CF_EOF
4632                                                 if test -n "$cf_so_strip" ; then
4633                                                         $cf_compress -f \$TMP
4634                                                         mv \$TMP.$cf_so_strip \$TMP
4635                                                 fi
4636 CF_EOF
4637 fi
4638 cat >>$cf_edit_man <<CF_EOF
4639                                                 echo .. \$verb alias \$cf_alias\${suffix}
4640                                                 rm -f \$cf_alias\${suffix}
4641                                                 \$INSTALL_DATA \$TMP \$cf_alias\${suffix}
4642                                         fi
4643                                 done
4644                         )
4645                 )
4646         elif test \$verb = removing ; then
4647                 test -f \$cf_target && (
4648                         echo \$verb \$cf_target
4649                         rm -f \$cf_target
4650                 )
4651                 test -d \$cf_subdir\${section} &&
4652                 test -n "\$aliases" && (
4653                         cd \$cf_subdir\${section} && (
4654                                 for cf_alias in \$aliases
4655                                 do
4656                                         if test \$section = 1 ; then
4657                                                 cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
4658                                         fi
4659
4660                                         echo .. \$verb alias \$cf_alias\${suffix}
4661                                         rm -f \$cf_alias\${suffix}
4662                                 done
4663                         )
4664                 )
4665         else
4666 #               echo ".hy 0"
4667                 cat \$TMP
4668         fi
4669         ;;
4670 esac
4671 done
4672
4673 if test $cf_inboth = yes ; then
4674 if test \$form != format ; then
4675         $SHELL \[$]0 format \$verb \$mandir \$srcdir \[$]*
4676 fi
4677 fi
4678
4679 exit 0
4680 CF_EOF
4681 chmod 755 $cf_edit_man
4682
4683 ])dnl
4684 dnl ---------------------------------------------------------------------------
4685 dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02
4686 dnl -----------
4687 dnl Checks for libraries.  At least one UNIX system, Apple Macintosh
4688 dnl Rhapsody 5.5, does not have -lm.  We cannot use the simpler
4689 dnl AC_CHECK_LIB(m,sin), because that fails for C++.
4690 AC_DEFUN([CF_MATH_LIB],
4691 [
4692 AC_CACHE_CHECK(if -lm needed for math functions,
4693         cf_cv_need_libm,[
4694         AC_TRY_LINK([
4695         #include <stdio.h>
4696         #include <math.h>
4697         ],
4698         [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
4699         [cf_cv_need_libm=no],
4700         [cf_cv_need_libm=yes])])
4701 if test "$cf_cv_need_libm" = yes
4702 then
4703 ifelse($1,,[
4704         CF_ADD_LIB(m)
4705 ],[$1=-lm])
4706 fi
4707 ])
4708 dnl ---------------------------------------------------------------------------
4709 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
4710 dnl ----------------------
4711 dnl Check if the file-system supports mixed-case filenames.  If we're able to
4712 dnl create a lowercase name and see it as uppercase, it doesn't support that.
4713 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
4714 [
4715 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
4716 if test "$cross_compiling" = yes ; then
4717         case $target_alias in
4718         (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
4719                 cf_cv_mixedcase=no
4720                 ;;
4721         (*)
4722                 cf_cv_mixedcase=yes
4723                 ;;
4724         esac
4725 else
4726         rm -f conftest CONFTEST
4727         echo test >conftest
4728         if test -f CONFTEST ; then
4729                 cf_cv_mixedcase=no
4730         else
4731                 cf_cv_mixedcase=yes
4732         fi
4733         rm -f conftest CONFTEST
4734 fi
4735 ])
4736 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
4737 ])dnl
4738 dnl ---------------------------------------------------------------------------
4739 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
4740 dnl ----------
4741 dnl Check for a working mkstemp.  This creates two files, checks that they are
4742 dnl successfully created and distinct (AmigaOS apparently fails on the last).
4743 AC_DEFUN([CF_MKSTEMP],[
4744 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
4745 rm -rf conftest*
4746 AC_TRY_RUN([
4747 #include <sys/types.h>
4748 #include <stdlib.h>
4749 #include <stdio.h>
4750 #include <string.h>
4751 #include <sys/stat.h>
4752 int main()
4753 {
4754         char *tmpl = "conftestXXXXXX";
4755         char name[2][80];
4756         int n;
4757         int result = 0;
4758         int fd;
4759         struct stat sb;
4760
4761         umask(077);
4762         for (n = 0; n < 2; ++n) {
4763                 strcpy(name[n], tmpl);
4764                 if ((fd = mkstemp(name[n])) >= 0) {
4765                         if (!strcmp(name[n], tmpl)
4766                          || stat(name[n], &sb) != 0
4767                          || (sb.st_mode & S_IFMT) != S_IFREG
4768                          || (sb.st_mode & 077) != 0) {
4769                                 result = 1;
4770                         }
4771                         close(fd);
4772                 }
4773         }
4774         if (result == 0
4775          && !strcmp(name[0], name[1]))
4776                 result = 1;
4777         ${cf_cv_main_return:-return}(result);
4778 }
4779 ],[cf_cv_func_mkstemp=yes
4780 ],[cf_cv_func_mkstemp=no
4781 ],[cf_cv_func_mkstemp=maybe])
4782 ])
4783 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
4784         AC_CHECK_FUNC(mkstemp)
4785 fi
4786 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
4787         AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
4788 fi
4789 ])dnl
4790 dnl ---------------------------------------------------------------------------
4791 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
4792 dnl ----------
4793 dnl Write a debug message to config.log, along with the line number in the
4794 dnl configure script.
4795 AC_DEFUN([CF_MSG_LOG],[
4796 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
4797 ])dnl
4798 dnl ---------------------------------------------------------------------------
4799 dnl CF_NCURSES_ABI_6 version: 3 updated: 2015/06/06 16:10:11
4800 dnl ----------------
4801 dnl Set ncurses' ABI to 6 unless overridden by explicit configure option, and
4802 dnl warn about this.
4803 AC_DEFUN([CF_NCURSES_ABI_6],[
4804 if test "${with_abi_version+set}" != set; then
4805         case $cf_cv_rel_version in
4806         (5.*)
4807                 cf_cv_rel_version=6.0
4808                 cf_cv_abi_version=6
4809                 AC_MSG_WARN(overriding ABI version to $cf_cv_abi_version)
4810                 ;;
4811         esac
4812 fi
4813 ])dnl
4814 dnl ---------------------------------------------------------------------------
4815 dnl CF_NO_LEAKS_OPTION version: 6 updated: 2015/04/12 15:39:00
4816 dnl ------------------
4817 dnl see CF_WITH_NO_LEAKS
4818 AC_DEFUN([CF_NO_LEAKS_OPTION],[
4819 AC_MSG_CHECKING(if you want to use $1 for testing)
4820 AC_ARG_WITH($1,
4821         [$2],
4822         [AC_DEFINE_UNQUOTED($3,1,"Define to 1 if you want to use $1 for testing.")ifelse([$4],,[
4823          $4
4824 ])
4825         : ${with_cflags:=-g}
4826         : ${with_no_leaks:=yes}
4827          with_$1=yes],
4828         [with_$1=])
4829 AC_MSG_RESULT(${with_$1:-no})
4830
4831 case .$with_cflags in
4832 (.*-g*)
4833         case .$CFLAGS in
4834         (.*-g*)
4835                 ;;
4836         (*)
4837                 CF_ADD_CFLAGS([-g])
4838                 ;;
4839         esac
4840         ;;
4841 esac
4842 ])dnl
4843 dnl ---------------------------------------------------------------------------
4844 dnl CF_NUMBER_SYNTAX version: 2 updated: 2015/04/17 21:13:04
4845 dnl ----------------
4846 dnl Check if the given variable is a number.  If not, report an error.
4847 dnl $1 is the variable
4848 dnl $2 is the message
4849 AC_DEFUN([CF_NUMBER_SYNTAX],[
4850 if test -n "$1" ; then
4851   case $1 in
4852   ([[0-9]]*)
4853         ;;
4854   (*)
4855         AC_MSG_ERROR($2 is not a number: $1)
4856         ;;
4857   esac
4858 else
4859   AC_MSG_ERROR($2 value is empty)
4860 fi
4861 ])dnl
4862 dnl ---------------------------------------------------------------------------
4863 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
4864 dnl -------------
4865 dnl Compute the object-directory name from the given model name
4866 AC_DEFUN([CF_OBJ_SUBDIR],
4867 [
4868         case $1 in
4869         (libtool) $2='obj_lo'  ;;
4870         (normal)  $2='objects' ;;
4871         (debug)   $2='obj_g' ;;
4872         (profile) $2='obj_p' ;;
4873         (shared)
4874                 case $cf_cv_system_name in
4875                 (cygwin|msys)
4876                         $2='objects' ;;
4877                 (*)
4878                         $2='obj_s' ;;
4879                 esac
4880         esac
4881 ])dnl
4882 dnl ---------------------------------------------------------------------------
4883 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
4884 dnl ----------
4885 dnl Provide a value for the $PATH and similar separator (or amend the value
4886 dnl as provided in autoconf 2.5x).
4887 AC_DEFUN([CF_PATHSEP],
4888 [
4889         AC_MSG_CHECKING(for PATH separator)
4890         case $cf_cv_system_name in
4891         (os2*)  PATH_SEPARATOR=';'  ;;
4892         (*)     ${PATH_SEPARATOR:=':'}  ;;
4893         esac
4894 ifelse([$1],,,[$1=$PATH_SEPARATOR])
4895         AC_SUBST(PATH_SEPARATOR)
4896         AC_MSG_RESULT($PATH_SEPARATOR)
4897 ])dnl
4898 dnl ---------------------------------------------------------------------------
4899 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
4900 dnl --------------
4901 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
4902 dnl begins with one of the prefix/exec_prefix variables, and then again if the
4903 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
4904 dnl delayed evaluation of those symbols.
4905 AC_DEFUN([CF_PATH_SYNTAX],[
4906 if test "x$prefix" != xNONE; then
4907         cf_path_syntax="$prefix"
4908 else
4909         cf_path_syntax="$ac_default_prefix"
4910 fi
4911
4912 case ".[$]$1" in
4913 (.\[$]\(*\)*|.\'*\'*)
4914         ;;
4915 (..|./*|.\\*)
4916         ;;
4917 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
4918         ;;
4919 (.\[$]{*prefix}*|.\[$]{*dir}*)
4920         eval $1="[$]$1"
4921         case ".[$]$1" in
4922         (.NONE/*)
4923                 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
4924                 ;;
4925         esac
4926         ;;
4927 (.no|.NONE/*)
4928         $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
4929         ;;
4930 (*)
4931         ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
4932         ;;
4933 esac
4934 ])dnl
4935 dnl ---------------------------------------------------------------------------
4936 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
4937 dnl -------------
4938 dnl Check for the package-config program, unless disabled by command-line.
4939 AC_DEFUN([CF_PKG_CONFIG],
4940 [
4941 AC_MSG_CHECKING(if you want to use pkg-config)
4942 AC_ARG_WITH(pkg-config,
4943         [  --with-pkg-config{=path} enable/disable use of pkg-config],
4944         [cf_pkg_config=$withval],
4945         [cf_pkg_config=yes])
4946 AC_MSG_RESULT($cf_pkg_config)
4947
4948 case $cf_pkg_config in
4949 (no)
4950         PKG_CONFIG=none
4951         ;;
4952 (yes)
4953         CF_ACVERSION_CHECK(2.52,
4954                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
4955                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
4956         ;;
4957 (*)
4958         PKG_CONFIG=$withval
4959         ;;
4960 esac
4961
4962 test -z "$PKG_CONFIG" && PKG_CONFIG=none
4963 if test "$PKG_CONFIG" != none ; then
4964         CF_PATH_SYNTAX(PKG_CONFIG)
4965 elif test "x$cf_pkg_config" != xno ; then
4966         AC_MSG_WARN(pkg-config is not installed)
4967 fi
4968
4969 AC_SUBST(PKG_CONFIG)
4970 ])dnl
4971 dnl ---------------------------------------------------------------------------
4972 dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00
4973 dnl -----------------
4974 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
4975 dnl
4976 dnl     POSIX.1-1990                            _POSIX_SOURCE
4977 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
4978 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
4979 dnl             Bindings Option
4980 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
4981 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
4982 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
4983 dnl
4984 dnl Parameters:
4985 dnl     $1 is the nominal value for _POSIX_C_SOURCE
4986 AC_DEFUN([CF_POSIX_C_SOURCE],
4987 [
4988 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
4989
4990 cf_save_CFLAGS="$CFLAGS"
4991 cf_save_CPPFLAGS="$CPPFLAGS"
4992
4993 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
4994 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
4995
4996 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
4997         CF_MSG_LOG(if the symbol is already defined go no further)
4998         AC_TRY_COMPILE([#include <sys/types.h>],[
4999 #ifndef _POSIX_C_SOURCE
5000 make an error
5001 #endif],
5002         [cf_cv_posix_c_source=no],
5003         [cf_want_posix_source=no
5004          case .$cf_POSIX_C_SOURCE in
5005          (.[[12]]??*)
5006                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
5007                 ;;
5008          (.2)
5009                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
5010                 cf_want_posix_source=yes
5011                 ;;
5012          (.*)
5013                 cf_want_posix_source=yes
5014                 ;;
5015          esac
5016          if test "$cf_want_posix_source" = yes ; then
5017                 AC_TRY_COMPILE([#include <sys/types.h>],[
5018 #ifdef _POSIX_SOURCE
5019 make an error
5020 #endif],[],
5021                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
5022          fi
5023          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
5024          CFLAGS="$cf_trim_CFLAGS"
5025          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
5026          CF_MSG_LOG(if the second compile does not leave our definition intact error)
5027          AC_TRY_COMPILE([#include <sys/types.h>],[
5028 #ifndef _POSIX_C_SOURCE
5029 make an error
5030 #endif],,
5031          [cf_cv_posix_c_source=no])
5032          CFLAGS="$cf_save_CFLAGS"
5033          CPPFLAGS="$cf_save_CPPFLAGS"
5034         ])
5035 ])
5036
5037 if test "$cf_cv_posix_c_source" != no ; then
5038         CFLAGS="$cf_trim_CFLAGS"
5039         CPPFLAGS="$cf_trim_CPPFLAGS"
5040         CF_ADD_CFLAGS($cf_cv_posix_c_source)
5041 fi
5042
5043 ])dnl
5044 dnl ---------------------------------------------------------------------------
5045 dnl CF_PREDEFINE version: 2 updated: 2010/05/26 16:44:57
5046 dnl ------------
5047 dnl Add definitions to CPPFLAGS to ensure they're predefined for all compiles.
5048 dnl
5049 dnl $1 = symbol to test
5050 dnl $2 = value (if any) to use for a predefinition
5051 AC_DEFUN([CF_PREDEFINE],
5052 [
5053 AC_MSG_CHECKING(if we must define $1)
5054 AC_TRY_COMPILE([#include <sys/types.h>
5055 ],[
5056 #ifndef $1
5057 make an error
5058 #endif],[cf_result=no],[cf_result=yes])
5059 AC_MSG_RESULT($cf_result)
5060
5061 if test "$cf_result" = yes ; then
5062         CPPFLAGS="$CPPFLAGS ifelse([$2],,-D$1,[-D$1=$2])"
5063 elif test "x$2" != "x" ; then
5064         AC_MSG_CHECKING(checking for compatible value versus $2)
5065         AC_TRY_COMPILE([#include <sys/types.h>
5066 ],[
5067 #if $1-$2 < 0
5068 make an error
5069 #endif],[cf_result=yes],[cf_result=no])
5070         AC_MSG_RESULT($cf_result)
5071         if test "$cf_result" = no ; then
5072                 # perhaps we can override it - try...
5073                 CPPFLAGS="$CPPFLAGS -D$1=$2"
5074         fi
5075 fi
5076 ])dnl
5077 dnl ---------------------------------------------------------------------------
5078 dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
5079 dnl ------------
5080 dnl Append definitions and rules for the given programs to the subdirectory
5081 dnl Makefiles, and the recursion rule for the top-level Makefile.
5082 dnl
5083 dnl parameters
5084 dnl     $1 = script to run
5085 dnl     $2 = list of subdirectories
5086 dnl
5087 dnl variables
5088 dnl     $AWK
5089 AC_DEFUN([CF_PRG_RULES],
5090 [
5091 for cf_dir in $2
5092 do
5093         if test ! -d $srcdir/$cf_dir; then
5094                 continue
5095         elif test -f $srcdir/$cf_dir/programs; then
5096                 $AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
5097         fi
5098 done
5099
5100 ])dnl
5101 dnl ---------------------------------------------------------------------------
5102 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
5103 dnl ----------
5104 dnl Check for archiver "ar".
5105 AC_DEFUN([CF_PROG_AR],[
5106 AC_CHECK_TOOL(AR, ar, ar)
5107 ])
5108 dnl ---------------------------------------------------------------------------
5109 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
5110 dnl -----------
5111 dnl Check for awk, ensure that the check found something.
5112 AC_DEFUN([CF_PROG_AWK],
5113 [
5114 AC_PROG_AWK
5115 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
5116 ])dnl
5117 dnl ---------------------------------------------------------------------------
5118 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
5119 dnl ----------
5120 dnl standard check for CC, plus followup sanity checks
5121 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
5122 AC_DEFUN([CF_PROG_CC],[
5123 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
5124 CF_GCC_VERSION
5125 CF_ACVERSION_CHECK(2.52,
5126         [AC_PROG_CC_STDC],
5127         [CF_ANSI_CC_REQD])
5128 CF_CC_ENV_FLAGS
5129 ])dnl
5130 dnl ---------------------------------------------------------------------------
5131 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
5132 dnl --------------
5133 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
5134 dnl the output file can be renamed, and allows for a shell variable that can
5135 dnl be used later.  The parameter is either CC or CXX.  The result is the
5136 dnl cache variable:
5137 dnl     $cf_cv_prog_CC_c_o
5138 dnl     $cf_cv_prog_CXX_c_o
5139 AC_DEFUN([CF_PROG_CC_C_O],
5140 [AC_REQUIRE([AC_PROG_CC])dnl
5141 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
5142 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
5143 [
5144 cat > conftest.$ac_ext <<CF_EOF
5145 #include <stdio.h>
5146 int main()
5147 {
5148         ${cf_cv_main_return:-return}(0);
5149 }
5150 CF_EOF
5151 # We do the test twice because some compilers refuse to overwrite an
5152 # existing .o file with -o, though they will create one.
5153 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
5154 if AC_TRY_EVAL(ac_try) &&
5155   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
5156 then
5157   eval cf_cv_prog_$1_c_o=yes
5158 else
5159   eval cf_cv_prog_$1_c_o=no
5160 fi
5161 rm -rf conftest*
5162 ])dnl
5163 if test $cf_cv_prog_$1_c_o = yes; then
5164   AC_MSG_RESULT([yes])
5165 else
5166   AC_MSG_RESULT([no])
5167 fi
5168 ])dnl
5169 dnl ---------------------------------------------------------------------------
5170 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
5171 dnl -------------
5172 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
5173 dnl This macro adds a check to ensure the script found something.
5174 AC_DEFUN([CF_PROG_EGREP],
5175 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
5176         [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
5177                 then ac_cv_prog_egrep='grep -E'
5178                 else ac_cv_prog_egrep='egrep'
5179         fi])
5180         EGREP=$ac_cv_prog_egrep
5181         AC_SUBST([EGREP])
5182         test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
5183 ])dnl
5184 dnl ---------------------------------------------------------------------------
5185 dnl CF_PROG_GNAT version: 3 updated: 2015/04/18 08:56:57
5186 dnl ------------
5187 dnl Check for gnatmake, ensure that it is complete.
5188 AC_DEFUN([CF_PROG_GNAT],[
5189 cf_ada_make=gnatmake
5190 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
5191 if test "$ac_cv_prog_gnat_exists" = no; then
5192         cf_ada_make=
5193         cf_cv_prog_gnat_correct=no
5194 else
5195         CF_GNAT_VERSION
5196         AC_CHECK_PROG(M4_exists, m4, yes, no)
5197         if test "$ac_cv_prog_M4_exists" = no; then
5198                 cf_cv_prog_gnat_correct=no
5199                 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
5200         fi
5201         if test "$cf_cv_prog_gnat_correct" = yes; then
5202                 AC_MSG_CHECKING(if GNAT works)
5203                 CF_GNAT_TRY_RUN([procedure conftest;],
5204 [with Text_IO;
5205 with GNAT.OS_Lib;
5206 procedure conftest is
5207 begin
5208    Text_IO.Put ("Hello World");
5209    Text_IO.New_Line;
5210    GNAT.OS_Lib.OS_Exit (0);
5211 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
5212                 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
5213         fi
5214 fi
5215
5216 AC_SUBST(cf_ada_make)
5217 ])dnl
5218 dnl ---------------------------------------------------------------------------
5219 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
5220 dnl ---------------
5221 dnl Force $INSTALL to be an absolute-path.  Otherwise, edit_man.sh and the
5222 dnl misc/tabset install won't work properly.  Usually this happens only when
5223 dnl using the fallback mkinstalldirs script
5224 AC_DEFUN([CF_PROG_INSTALL],
5225 [AC_PROG_INSTALL
5226 case $INSTALL in
5227 (/*)
5228         ;;
5229 (*)
5230         CF_DIRNAME(cf_dir,$INSTALL)
5231         test -z "$cf_dir" && cf_dir=.
5232         INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
5233         ;;
5234 esac
5235 ])dnl
5236 dnl ---------------------------------------------------------------------------
5237 dnl CF_PROG_LDCONFIG version: 5 updated: 2015/04/18 08:56:57
5238 dnl ----------------
5239 dnl Check for ldconfig, needed to fixup shared libraries that would be built
5240 dnl and then used in the install.
5241 AC_DEFUN([CF_PROG_LDCONFIG],[
5242 if test "$cross_compiling" = yes ; then
5243         LDCONFIG=:
5244 else
5245         case "$cf_cv_system_name" in
5246         (dragonfly*|mirbsd*|freebsd*)
5247                 test -z "$LDCONFIG" && LDCONFIG="/sbin/ldconfig -R"
5248                 ;;
5249         (*) LDPATH=$PATH:/sbin:/usr/sbin
5250                 AC_PATH_PROG(LDCONFIG,ldconfig,,$LDPATH)
5251                 ;;
5252         esac
5253 fi
5254 AC_SUBST(LDCONFIG)
5255 ])dnl
5256 dnl ---------------------------------------------------------------------------
5257 dnl CF_PROG_LINT version: 2 updated: 2009/08/12 04:43:14
5258 dnl ------------
5259 AC_DEFUN([CF_PROG_LINT],
5260 [
5261 AC_CHECK_PROGS(LINT, tdlint lint alint splint lclint)
5262 AC_SUBST(LINT_OPTS)
5263 ])dnl
5264 dnl ---------------------------------------------------------------------------
5265 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
5266 dnl ------------
5267 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
5268 dnl option if it is supported.
5269 AC_DEFUN([CF_PROG_LN_S],[
5270 AC_PROG_LN_S
5271 AC_MSG_CHECKING(if $LN_S -f options work)
5272
5273 rm -f conf$$.src conf$$dst
5274 echo >conf$$.dst
5275 echo first >conf$$.src
5276 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
5277         cf_prog_ln_sf=yes
5278 else
5279         cf_prog_ln_sf=no
5280 fi
5281 rm -f conf$$.dst conf$$src
5282 AC_MSG_RESULT($cf_prog_ln_sf)
5283
5284 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
5285 ])dnl
5286 dnl ---------------------------------------------------------------------------
5287 dnl CF_REGEX version: 12 updated: 2015/04/18 08:56:57
5288 dnl --------
5289 dnl Attempt to determine if we've got one of the flavors of regular-expression
5290 dnl code that we can support.
5291 AC_DEFUN([CF_REGEX],
5292 [
5293
5294 cf_regex_func=no
5295
5296 cf_regex_libs="regex re"
5297 case $host_os in
5298 (mingw*)
5299         cf_regex_libs="gnurx $cf_regex_libs"
5300         ;;
5301 esac
5302
5303 AC_CHECK_FUNC(regcomp,[cf_regex_func=regcomp],[
5304         for cf_regex_lib in $cf_regex_libs
5305         do
5306                 AC_CHECK_LIB($cf_regex_lib,regcomp,[
5307                                 CF_ADD_LIB($cf_regex_lib)
5308                                 cf_regex_func=regcomp
5309                                 break])
5310         done
5311 ])
5312
5313 if test "$cf_regex_func" = no ; then
5314         AC_CHECK_FUNC(compile,[cf_regex_func=compile],[
5315                 AC_CHECK_LIB(gen,compile,[
5316                                 CF_ADD_LIB(gen)
5317                                 cf_regex_func=compile])])
5318 fi
5319
5320 if test "$cf_regex_func" = no ; then
5321         AC_MSG_WARN(cannot find regular expression library)
5322 fi
5323
5324 AC_CACHE_CHECK(for regular-expression headers,cf_cv_regex_hdrs,[
5325
5326 cf_cv_regex_hdrs=no
5327 case $cf_regex_func in
5328 (compile)
5329         for cf_regex_hdr in regexp.h regexpr.h
5330         do
5331                 AC_TRY_LINK([#include <$cf_regex_hdr>],[
5332                         char *p = compile("", "", "", 0);
5333                         int x = step("", "");
5334                 ],[
5335                         cf_cv_regex_hdrs=$cf_regex_hdr
5336                         break
5337                 ])
5338         done
5339         ;;
5340 (*)
5341         for cf_regex_hdr in regex.h
5342         do
5343                 AC_TRY_LINK([#include <sys/types.h>
5344 #include <$cf_regex_hdr>],[
5345                         regex_t *p;
5346                         int x = regcomp(p, "", 0);
5347                         int y = regexec(p, "", 0, 0, 0);
5348                         regfree(p);
5349                 ],[
5350                         cf_cv_regex_hdrs=$cf_regex_hdr
5351                         break
5352                 ])
5353         done
5354         ;;
5355 esac
5356
5357 ])
5358
5359 case $cf_cv_regex_hdrs in
5360         (no)            AC_MSG_WARN(no regular expression header found) ;;
5361         (regex.h)       AC_DEFINE(HAVE_REGEX_H_FUNCS,1,[Define to 1 to include regex.h for regular expressions]) ;;
5362         (regexp.h)      AC_DEFINE(HAVE_REGEXP_H_FUNCS,1,[Define to 1 to include regexp.h for regular expressions]) ;;
5363         (regexpr.h) AC_DEFINE(HAVE_REGEXPR_H_FUNCS,1,[Define to 1 to include regexpr.h for regular expressions]) ;;
5364 esac
5365 ])dnl
5366 dnl ---------------------------------------------------------------------------
5367 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
5368 dnl ----------------
5369 dnl Remove all -U and -D options that refer to the given symbol from a list
5370 dnl of C compiler options.  This works around the problem that not all
5371 dnl compilers process -U and -D options from left-to-right, so a -U option
5372 dnl cannot be used to cancel the effect of a preceding -D option.
5373 dnl
5374 dnl $1 = target (which could be the same as the source variable)
5375 dnl $2 = source (including '$')
5376 dnl $3 = symbol to remove
5377 define([CF_REMOVE_DEFINE],
5378 [
5379 $1=`echo "$2" | \
5380         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
5381                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
5382 ])dnl
5383 dnl ---------------------------------------------------------------------------
5384 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
5385 dnl -------------
5386 dnl Remove the given library from the symbol
5387 dnl
5388 dnl $1 = target (which could be the same as the source variable)
5389 dnl $2 = source (including '$')
5390 dnl $3 = library to remove
5391 define([CF_REMOVE_LIB],
5392 [
5393 # remove $3 library from $2
5394 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
5395 ])dnl
5396 dnl ---------------------------------------------------------------------------
5397 dnl CF_RPATH_HACK version: 11 updated: 2013/09/01 13:02:00
5398 dnl -------------
5399 AC_DEFUN([CF_RPATH_HACK],
5400 [
5401 AC_REQUIRE([CF_LD_RPATH_OPT])
5402 AC_MSG_CHECKING(for updated LDFLAGS)
5403 if test -n "$LD_RPATH_OPT" ; then
5404         AC_MSG_RESULT(maybe)
5405
5406         AC_CHECK_PROGS(cf_ldd_prog,ldd,no)
5407         cf_rpath_list="/usr/lib /lib"
5408         if test "$cf_ldd_prog" != no
5409         then
5410                 cf_rpath_oops=
5411
5412 AC_TRY_LINK([#include <stdio.h>],
5413                 [printf("Hello");],
5414                 [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort | uniq`
5415                  cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[     ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort | uniq`])
5416
5417                 # If we passed the link-test, but get a "not found" on a given library,
5418                 # this could be due to inept reconfiguration of gcc to make it only
5419                 # partly honor /usr/local/lib (or whatever).  Sometimes this behavior
5420                 # is intentional, e.g., installing gcc in /usr/bin and suppressing the
5421                 # /usr/local libraries.
5422                 if test -n "$cf_rpath_oops"
5423                 then
5424                         for cf_rpath_src in $cf_rpath_oops
5425                         do
5426                                 for cf_rpath_dir in \
5427                                         /usr/local \
5428                                         /usr/pkg \
5429                                         /opt/sfw
5430                                 do
5431                                         if test -f $cf_rpath_dir/lib/$cf_rpath_src
5432                                         then
5433                                                 CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
5434                                                 LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
5435                                                 break
5436                                         fi
5437                                 done
5438                         done
5439                 fi
5440         fi
5441
5442         CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
5443
5444         CF_RPATH_HACK_2(LDFLAGS)
5445         CF_RPATH_HACK_2(LIBS)
5446
5447         CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
5448 else
5449         AC_MSG_RESULT(no)
5450 fi
5451 AC_SUBST(EXTRA_LDFLAGS)
5452 ])dnl
5453 dnl ---------------------------------------------------------------------------
5454 dnl CF_RPATH_HACK_2 version: 7 updated: 2015/04/12 15:39:00
5455 dnl ---------------
5456 dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
5457 dnl EXTRA_LDFLAGS for each -L option found.
5458 dnl
5459 dnl $cf_rpath_list contains a list of directories to ignore.
5460 dnl
5461 dnl $1 = variable name to update.  The LDFLAGS variable should be the only one,
5462 dnl      but LIBS often has misplaced -L options.
5463 AC_DEFUN([CF_RPATH_HACK_2],
5464 [
5465 CF_VERBOSE(...checking $1 [$]$1)
5466
5467 cf_rpath_dst=
5468 for cf_rpath_src in [$]$1
5469 do
5470         case $cf_rpath_src in
5471         (-L*)
5472
5473                 # check if this refers to a directory which we will ignore
5474                 cf_rpath_skip=no
5475                 if test -n "$cf_rpath_list"
5476                 then
5477                         for cf_rpath_item in $cf_rpath_list
5478                         do
5479                                 if test "x$cf_rpath_src" = "x-L$cf_rpath_item"
5480                                 then
5481                                         cf_rpath_skip=yes
5482                                         break
5483                                 fi
5484                         done
5485                 fi
5486
5487                 if test "$cf_rpath_skip" = no
5488                 then
5489                         # transform the option
5490                         if test "$LD_RPATH_OPT" = "-R " ; then
5491                                 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"`
5492                         else
5493                                 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"`
5494                         fi
5495
5496                         # if we have not already added this, add it now
5497                         cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"`
5498                         if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS"
5499                         then
5500                                 CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
5501                                 EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
5502                         fi
5503                 fi
5504                 ;;
5505         esac
5506         cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
5507 done
5508 $1=$cf_rpath_dst
5509
5510 CF_VERBOSE(...checked $1 [$]$1)
5511 AC_SUBST(EXTRA_LDFLAGS)
5512 ])dnl
5513 dnl ---------------------------------------------------------------------------
5514 dnl CF_SHARED_OPTS version: 89 updated: 2015/08/15 18:38:59
5515 dnl --------------
5516 dnl --------------
5517 dnl Attempt to determine the appropriate CC/LD options for creating a shared
5518 dnl library.
5519 dnl
5520 dnl Notes:
5521 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
5522 dnl the build-tree, i.e., by making use of the libraries that are compiled in
5523 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
5524 dnl shared library since that can lead to unexpected results at runtime.
5525 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
5526 dnl libraries are compiled in ../../lib
5527 dnl
5528 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
5529 dnl to install symbolic links to the rel/abi versions of shared libraries.
5530 dnl
5531 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
5532 dnl version when making symbolic links.
5533 dnl
5534 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
5535 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
5536 dnl (ex: libncurses.so.<ver>).
5537 dnl
5538 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
5539 AC_DEFUN([CF_SHARED_OPTS],
5540 [
5541         AC_REQUIRE([CF_LD_RPATH_OPT])
5542         RM_SHARED_OPTS=
5543         LOCAL_LDFLAGS=
5544         LOCAL_LDFLAGS2=
5545         LD_SHARED_OPTS=
5546         INSTALL_LIB="-m 644"
5547         : ${rel_builddir:=.}
5548
5549         shlibdir=$libdir
5550         AC_SUBST(shlibdir)
5551
5552         MAKE_DLLS="#"
5553         AC_SUBST(MAKE_DLLS)
5554
5555         cf_cv_do_symlinks=no
5556         cf_ld_rpath_opt=
5557         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
5558
5559         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
5560         AC_ARG_WITH(shlib-version,
5561         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
5562         [test -z "$withval" && withval=auto
5563         case $withval in
5564         (yes)
5565                 cf_cv_shlib_version=auto
5566                 ;;
5567         (rel|abi|auto)
5568                 cf_cv_shlib_version=$withval
5569                 ;;
5570         (*)
5571                 AC_MSG_RESULT($withval)
5572                 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
5573                 ;;
5574         esac
5575         ],[cf_cv_shlib_version=auto])
5576         AC_MSG_RESULT($cf_cv_shlib_version)
5577
5578         cf_cv_rm_so_locs=no
5579         cf_try_cflags=
5580
5581         # Some less-capable ports of gcc support only -fpic
5582         CC_SHARED_OPTS=
5583         if test "$GCC" = yes
5584         then
5585                 AC_MSG_CHECKING(which $CC option to use)
5586                 cf_save_CFLAGS="$CFLAGS"
5587                 for CC_SHARED_OPTS in -fPIC -fpic ''
5588                 do
5589                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
5590                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
5591                 done
5592                 AC_MSG_RESULT($CC_SHARED_OPTS)
5593                 CFLAGS="$cf_save_CFLAGS"
5594         fi
5595
5596         cf_cv_shlib_version_infix=no
5597
5598         case $cf_cv_system_name in
5599         (aix4.[3-9]*|aix[[5-7]]*)
5600                 if test "$GCC" = yes; then
5601                         CC_SHARED_OPTS='-Wl,-brtl'
5602                         MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
5603                 else
5604                         CC_SHARED_OPTS='-brtl'
5605                         # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
5606                         MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
5607                 fi
5608                 ;;
5609         (beos*)
5610                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
5611                 ;;
5612         (cygwin*)
5613                 CC_SHARED_OPTS=
5614                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
5615                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
5616                 cf_cv_shlib_version=cygdll
5617                 cf_cv_shlib_version_infix=cygdll
5618                 shlibdir=$bindir
5619                 MAKE_DLLS=
5620                 cat >mk_shared_lib.sh <<-CF_EOF
5621                 #!$SHELL
5622                 SHARED_LIB=\[$]1
5623                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
5624                 shift
5625                 cat <<-EOF
5626                 Linking shared library
5627                 ** SHARED_LIB \[$]SHARED_LIB
5628                 ** IMPORT_LIB \[$]IMPORT_LIB
5629 EOF
5630                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
5631 CF_EOF
5632                 chmod +x mk_shared_lib.sh
5633                 ;;
5634         (msys*)
5635                 CC_SHARED_OPTS=
5636                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
5637                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
5638                 cf_cv_shlib_version=msysdll
5639                 cf_cv_shlib_version_infix=msysdll
5640                 shlibdir=$bindir
5641                 MAKE_DLLS=
5642                 cat >mk_shared_lib.sh <<-CF_EOF
5643                 #!$SHELL
5644                 SHARED_LIB=\[$]1
5645                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
5646                 shift
5647                 cat <<-EOF
5648                 Linking shared library
5649                 ** SHARED_LIB \[$]SHARED_LIB
5650                 ** IMPORT_LIB \[$]IMPORT_LIB
5651 EOF
5652                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
5653 CF_EOF
5654                 chmod +x mk_shared_lib.sh
5655                 ;;
5656         (darwin*)
5657                 cf_try_cflags="no-cpp-precomp"
5658                 CC_SHARED_OPTS="-dynamic"
5659                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
5660                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
5661                 cf_cv_shlib_version_infix=yes
5662                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
5663                         cf_save_LDFLAGS=$LDFLAGS
5664                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
5665                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
5666                                 LDFLAGS=$cf_save_LDFLAGS])
5667                 if test $cf_cv_ldflags_search_paths_first = yes; then
5668                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
5669                 fi
5670                 ;;
5671         (hpux[[7-8]]*)
5672                 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
5673                 if test "$GCC" != yes; then
5674                         CC_SHARED_OPTS='+Z'
5675                 fi
5676                 MK_SHARED_LIB='${LD} -b -o $[@]'
5677                 INSTALL_LIB="-m 555"
5678                 ;;
5679         (hpux*)
5680                 # (tested with gcc 2.7.2 -- I don't have c89)
5681                 if test "$GCC" = yes; then
5682                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
5683                 else
5684                         CC_SHARED_OPTS='+Z'
5685                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
5686                 fi
5687                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
5688                 # HP-UX shared libraries must be executable, and should be
5689                 # readonly to exploit a quirk in the memory manager.
5690                 INSTALL_LIB="-m 555"
5691                 ;;
5692         (interix*)
5693                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5694                 if test "$cf_cv_shlib_version" = rel; then
5695                         cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
5696                 else
5697                         cf_shared_soname='`basename $@`'
5698                 fi
5699                 CC_SHARED_OPTS=
5700                 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
5701                 ;;
5702         (irix*)
5703                 if test "$cf_cv_enable_rpath" = yes ; then
5704                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5705                 fi
5706                 # tested with IRIX 5.2 and 'cc'.
5707                 if test "$GCC" != yes; then
5708                         CC_SHARED_OPTS='-KPIC'
5709                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
5710                 else
5711                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
5712                 fi
5713                 cf_cv_rm_so_locs=yes
5714                 ;;
5715         (linux*|gnu*|k*bsd*-gnu)
5716                 if test "$DFT_LWR_MODEL" = "shared" ; then
5717                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5718                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5719                 fi
5720                 if test "$cf_cv_enable_rpath" = yes ; then
5721                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5722                 fi
5723                 CF_SHARED_SONAME
5724                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5725                 ;;
5726         (mingw*)
5727                 cf_cv_shlib_version=mingw
5728                 cf_cv_shlib_version_infix=mingw
5729                 shlibdir=$bindir
5730                 MAKE_DLLS=
5731                 if test "$DFT_LWR_MODEL" = "shared" ; then
5732                         LOCAL_LDFLAGS="-Wl,--enable-auto-import"
5733                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5734                         EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
5735                 fi
5736                 CC_SHARED_OPTS=
5737                 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
5738                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
5739                 cat >mk_shared_lib.sh <<-CF_EOF
5740                 #!$SHELL
5741                 SHARED_LIB=\[$]1
5742                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
5743                 shift
5744                 cat <<-EOF
5745                 Linking shared library
5746                 ** SHARED_LIB \[$]SHARED_LIB
5747                 ** IMPORT_LIB \[$]IMPORT_LIB
5748 EOF
5749                 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
5750 CF_EOF
5751                 chmod +x mk_shared_lib.sh
5752                 ;;
5753         (openbsd[[2-9]].*|mirbsd*)
5754                 if test "$DFT_LWR_MODEL" = "shared" ; then
5755                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5756                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5757                 fi
5758                 if test "$cf_cv_enable_rpath" = yes ; then
5759                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5760                 fi
5761                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5762                 CF_SHARED_SONAME
5763                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5764                 ;;
5765         (nto-qnx*|openbsd*|freebsd[[12]].*)
5766                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5767                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
5768                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5769                 ;;
5770         (dragonfly*|freebsd*)
5771                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5772                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
5773                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
5774                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
5775                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5776                 fi
5777                 CF_SHARED_SONAME
5778                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5779                 ;;
5780         (netbsd*)
5781                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5782                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
5783                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
5784                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5785                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5786                         if test "$cf_cv_shlib_version" = auto; then
5787                         if test -f /usr/libexec/ld.elf_so; then
5788                                 cf_cv_shlib_version=abi
5789                         else
5790                                 cf_cv_shlib_version=rel
5791                         fi
5792                         fi
5793                         CF_SHARED_SONAME
5794                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
5795                 else
5796                         MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
5797                 fi
5798                 ;;
5799         (osf*|mls+*)
5800                 # tested with OSF/1 V3.2 and 'cc'
5801                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
5802                 # link with shared libs).
5803                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
5804                 case $host_os in
5805                 (osf4*)
5806                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
5807                         ;;
5808                 esac
5809                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
5810                 if test "$DFT_LWR_MODEL" = "shared" ; then
5811                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5812                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5813                 fi
5814                 cf_cv_rm_so_locs=yes
5815                 ;;
5816         (sco3.2v5*)  # also uw2* and UW7: hops 13-Apr-98
5817                 # tested with osr5.0.5
5818                 if test "$GCC" != yes; then
5819                         CC_SHARED_OPTS='-belf -KPIC'
5820                 fi
5821                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
5822                 if test "$cf_cv_enable_rpath" = yes ; then
5823                         # only way is to set LD_RUN_PATH but no switch for it
5824                         RUN_PATH=$libdir
5825                 fi
5826                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5827                 LINK_PROGS='LD_RUN_PATH=${libdir}'
5828                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
5829                 ;;
5830         (sunos4*)
5831                 # tested with SunOS 4.1.1 and gcc 2.7.0
5832                 if test "$GCC" != yes; then
5833                         CC_SHARED_OPTS='-KPIC'
5834                 fi
5835                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
5836                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5837                 ;;
5838         (solaris2*)
5839                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
5840                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
5841                 if test "$DFT_LWR_MODEL" = "shared" ; then
5842                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
5843                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5844                 fi
5845                 if test "$cf_cv_enable_rpath" = yes ; then
5846                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
5847                 fi
5848                 CF_SHARED_SONAME
5849                 if test "$GCC" != yes; then
5850                         cf_save_CFLAGS="$CFLAGS"
5851                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
5852                         do
5853                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
5854                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
5855                         done
5856                         CFLAGS="$cf_save_CFLAGS"
5857                         CC_SHARED_OPTS=$cf_shared_opts
5858                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
5859                 else
5860                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
5861                 fi
5862                 ;;
5863         (sysv5uw7*|unix_sv*)
5864                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
5865                 if test "$GCC" != yes; then
5866                         CC_SHARED_OPTS='-KPIC'
5867                 fi
5868                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
5869                 ;;
5870         (*)
5871                 CC_SHARED_OPTS='unknown'
5872                 MK_SHARED_LIB='echo unknown'
5873                 ;;
5874         esac
5875
5876         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
5877         case "$cf_cv_shlib_version" in
5878         (rel|abi)
5879                 case "$MK_SHARED_LIB" in
5880                 (*'-o $[@]')
5881                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
5882                         ;;
5883                 (*)
5884                         AC_MSG_WARN(ignored --with-shlib-version)
5885                         ;;
5886                 esac
5887                 ;;
5888         esac
5889
5890         if test -n "$cf_try_cflags"
5891         then
5892 cat > conftest.$ac_ext <<EOF
5893 #line __oline__ "${as_me:-configure}"
5894 #include <stdio.h>
5895 int main(int argc, char *argv[[]])
5896 {
5897         printf("hello\n");
5898         return (argv[[argc-1]] == 0) ;
5899 }
5900 EOF
5901                 cf_save_CFLAGS="$CFLAGS"
5902                 for cf_opt in $cf_try_cflags
5903                 do
5904                         CFLAGS="$cf_save_CFLAGS -$cf_opt"
5905                         AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
5906                         if AC_TRY_EVAL(ac_compile); then
5907                                 AC_MSG_RESULT(yes)
5908                                 cf_save_CFLAGS="$CFLAGS"
5909                         else
5910                                 AC_MSG_RESULT(no)
5911                         fi
5912                 done
5913                 CFLAGS="$cf_save_CFLAGS"
5914         fi
5915
5916
5917         # RPATH_LIST is a colon-separated list of directories
5918         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
5919         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
5920
5921         test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
5922
5923         CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
5924         CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
5925
5926         AC_SUBST(CC_SHARED_OPTS)
5927         AC_SUBST(LD_RPATH_OPT)
5928         AC_SUBST(LD_SHARED_OPTS)
5929         AC_SUBST(MK_SHARED_LIB)
5930         AC_SUBST(RM_SHARED_OPTS)
5931
5932         AC_SUBST(LINK_PROGS)
5933         AC_SUBST(LINK_TESTS)
5934
5935         AC_SUBST(EXTRA_LDFLAGS)
5936         AC_SUBST(LOCAL_LDFLAGS)
5937         AC_SUBST(LOCAL_LDFLAGS2)
5938
5939         AC_SUBST(INSTALL_LIB)
5940         AC_SUBST(RPATH_LIST)
5941 ])dnl
5942 dnl ---------------------------------------------------------------------------
5943 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
5944 dnl ----------------
5945 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
5946 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
5947 dnl option.
5948 dnl
5949 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
5950 dnl If missing, use "rel".
5951 define([CF_SHARED_SONAME],
5952 [
5953         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
5954         if test "$cf_cv_shlib_version" = rel; then
5955                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
5956         else
5957                 cf_cv_shared_soname='`basename $[@]`'
5958         fi
5959 ])
5960 dnl ---------------------------------------------------------------------------
5961 dnl CF_SIGWINCH version: 1 updated: 2006/04/02 16:41:09
5962 dnl -----------
5963 dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
5964 dnl programs need this test).
5965 dnl
5966 dnl This is really a MacOS X 10.4.3 workaround.  Defining _POSIX_C_SOURCE
5967 dnl forces SIGWINCH to be undefined (breaks xterm, ncurses).  Oddly, the struct
5968 dnl winsize declaration is left alone - we may revisit this if Apple choose to
5969 dnl break that part of the interface as well.
5970 AC_DEFUN([CF_SIGWINCH],
5971 [
5972 AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
5973         AC_TRY_COMPILE([
5974 #include <sys/types.h>
5975 #include <sys/signal.h>
5976 ],[int x = SIGWINCH],
5977         [cf_cv_define_sigwinch=yes],
5978         [AC_TRY_COMPILE([
5979 #undef _XOPEN_SOURCE
5980 #undef _POSIX_SOURCE
5981 #undef _POSIX_C_SOURCE
5982 #include <sys/types.h>
5983 #include <sys/signal.h>
5984 ],[int x = SIGWINCH],
5985         [cf_cv_define_sigwinch=maybe],
5986         [cf_cv_define_sigwinch=no])
5987 ])
5988 ])
5989
5990 if test "$cf_cv_define_sigwinch" = maybe ; then
5991 AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[
5992 cf_cv_fixup_sigwinch=unknown
5993 cf_sigwinch=32
5994 while test $cf_sigwinch != 1
5995 do
5996         AC_TRY_COMPILE([
5997 #undef _XOPEN_SOURCE
5998 #undef _POSIX_SOURCE
5999 #undef _POSIX_C_SOURCE
6000 #include <sys/types.h>
6001 #include <sys/signal.h>
6002 ],[
6003 #if SIGWINCH != $cf_sigwinch
6004 make an error
6005 #endif
6006 int x = SIGWINCH],
6007         [cf_cv_fixup_sigwinch=$cf_sigwinch
6008          break])
6009
6010 cf_sigwinch=`expr $cf_sigwinch - 1`
6011 done
6012 ])
6013
6014         if test "$cf_cv_fixup_sigwinch" != unknown ; then
6015                 CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch"
6016         fi
6017 fi
6018 ])dnl
6019 dnl ---------------------------------------------------------------------------
6020 dnl CF_SIG_ATOMIC_T version: 3 updated: 2012/10/04 20:12:20
6021 dnl ---------------
6022 dnl signal handler, but there are some gcc depedencies in that recommendation.
6023 dnl Try anyway.
6024 AC_DEFUN([CF_SIG_ATOMIC_T],
6025 [
6026 AC_MSG_CHECKING(for signal global datatype)
6027 AC_CACHE_VAL(cf_cv_sig_atomic_t,[
6028         for cf_type in \
6029                 "volatile sig_atomic_t" \
6030                 "sig_atomic_t" \
6031                 "int"
6032         do
6033         AC_TRY_COMPILE([
6034 #include <sys/types.h>
6035 #include <signal.h>
6036 #include <stdio.h>
6037
6038 extern $cf_type x;
6039 $cf_type x;
6040 static void handler(int sig)
6041 {
6042         x = 5;
6043 }],
6044                 [signal(SIGINT, handler);
6045                  x = 1],
6046                 [cf_cv_sig_atomic_t=$cf_type],
6047                 [cf_cv_sig_atomic_t=no])
6048                 test "$cf_cv_sig_atomic_t" != no && break
6049         done
6050         ])
6051 AC_MSG_RESULT($cf_cv_sig_atomic_t)
6052 test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t,[Define to signal global datatype])
6053 ])dnl
6054 dnl ---------------------------------------------------------------------------
6055 dnl CF_SIZECHANGE version: 11 updated: 2015/04/18 08:56:57
6056 dnl -------------
6057 dnl Check for definitions & structures needed for window size-changing
6058 dnl FIXME: check that this works with "snake" (HP-UX 10.x)
6059 AC_DEFUN([CF_SIZECHANGE],
6060 [
6061 AC_REQUIRE([CF_STRUCT_TERMIOS])
6062 AC_CACHE_CHECK(declaration of size-change, cf_cv_sizechange,[
6063         cf_cv_sizechange=unknown
6064         cf_save_CPPFLAGS="$CPPFLAGS"
6065
6066 for cf_opts in "" "NEED_PTEM_H"
6067 do
6068
6069         CPPFLAGS="$cf_save_CPPFLAGS"
6070         test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts"
6071         AC_TRY_COMPILE([#include <sys/types.h>
6072 #ifdef HAVE_TERMIOS_H
6073 #include <termios.h>
6074 #else
6075 #ifdef HAVE_TERMIO_H
6076 #include <termio.h>
6077 #endif
6078 #endif
6079 #ifdef NEED_PTEM_H
6080 /* This is a workaround for SCO:  they neglected to define struct winsize in
6081  * termios.h -- it's only in termio.h and ptem.h
6082  */
6083 #include        <sys/stream.h>
6084 #include        <sys/ptem.h>
6085 #endif
6086 #if !defined(sun) || !defined(HAVE_TERMIOS_H)
6087 #include <sys/ioctl.h>
6088 #endif
6089 ],[
6090 #ifdef TIOCGSIZE
6091         struct ttysize win;     /* FIXME: what system is this? */
6092         int y = win.ts_lines;
6093         int x = win.ts_cols;
6094 #else
6095 #ifdef TIOCGWINSZ
6096         struct winsize win;
6097         int y = win.ws_row;
6098         int x = win.ws_col;
6099 #else
6100         no TIOCGSIZE or TIOCGWINSZ
6101 #endif /* TIOCGWINSZ */
6102 #endif /* TIOCGSIZE */
6103         ],
6104         [cf_cv_sizechange=yes],
6105         [cf_cv_sizechange=no])
6106
6107         CPPFLAGS="$cf_save_CPPFLAGS"
6108         if test "$cf_cv_sizechange" = yes ; then
6109                 echo "size-change succeeded ($cf_opts)" >&AC_FD_CC
6110                 test -n "$cf_opts" && cf_cv_sizechange="$cf_opts"
6111                 break
6112         fi
6113 done
6114 ])
6115 if test "$cf_cv_sizechange" != no ; then
6116         AC_DEFINE(HAVE_SIZECHANGE,1,[Define to 1 if sizechar declarations are provided])
6117         case $cf_cv_sizechange in
6118         (NEED*)
6119                 AC_DEFINE_UNQUOTED($cf_cv_sizechange )
6120                 ;;
6121         esac
6122 fi
6123 ])dnl
6124 dnl ---------------------------------------------------------------------------
6125 dnl CF_SRC_MODULES version: 29 updated: 2015/04/12 11:42:01
6126 dnl --------------
6127 dnl For each parameter, test if the source-directory exists, and if it contains
6128 dnl a 'modules' file.  If so, add to the list $cf_cv_src_modules which we'll
6129 dnl use in CF_LIB_RULES.
6130 dnl
6131 dnl This uses the configured value to make the lists SRC_SUBDIRS and
6132 dnl SUB_MAKEFILES which are used in the makefile-generation scheme.
6133 AC_DEFUN([CF_SRC_MODULES],
6134 [
6135 AC_MSG_CHECKING(for src modules)
6136
6137 # dependencies and linker-arguments for test-programs
6138 TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEPS"
6139 TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEP2"
6140 if test "$DFT_LWR_MODEL" = "libtool"; then
6141         TEST_ARGS="${TEST_DEPS}"
6142         TEST_ARG2="${TEST_DEP2}"
6143 else
6144         TEST_ARGS="-l${LIB_NAME}${USE_ARG_SUFFIX} $TEST_ARGS"
6145         TEST_ARG2="-l${LIB_NAME}${USE_ARG_SUFFIX} $TEST_ARG2"
6146 fi
6147
6148 PC_MODULES_TO_MAKE="ncurses${USE_ARG_SUFFIX}"
6149 cf_cv_src_modules=
6150 for cf_dir in $1
6151 do
6152         if test -f $srcdir/$cf_dir/modules; then
6153
6154                 # We may/may not have tack in the distribution, though the
6155                 # makefile is.
6156                 if test $cf_dir = tack ; then
6157                         if test ! -f $srcdir/${cf_dir}/${cf_dir}.h; then
6158                                 continue
6159                         fi
6160                 fi
6161
6162                 if test -z "$cf_cv_src_modules"; then
6163                         cf_cv_src_modules=$cf_dir
6164                 else
6165                         cf_cv_src_modules="$cf_cv_src_modules $cf_dir"
6166                 fi
6167
6168                 # Make the ncurses_cfg.h file record the library interface files as
6169                 # well.  These are header files that are the same name as their
6170                 # directory.  Ncurses is the only library that does not follow
6171                 # that pattern.
6172                 if test $cf_dir = tack ; then
6173                         continue
6174                 elif test -f $srcdir/${cf_dir}/${cf_dir}.h; then
6175                         CF_UPPER(cf_have_include,$cf_dir)
6176                         AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H)
6177                         AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include})
6178                         TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS"
6179                         TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEP2"
6180                         if test "$DFT_LWR_MODEL" = "libtool"; then
6181                                 TEST_ARGS="${TEST_DEPS}"
6182                                 TEST_ARG2="${TEST_DEP2}"
6183                         else
6184                                 TEST_ARGS="-l${cf_dir}${USE_ARG_SUFFIX} $TEST_ARGS"
6185                                 TEST_ARG2="-l${cf_dir}${USE_ARG_SUFFIX} $TEST_ARG2"
6186                         fi
6187                         PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ${cf_dir}${USE_ARG_SUFFIX}"
6188                 fi
6189         fi
6190 done
6191 AC_MSG_RESULT($cf_cv_src_modules)
6192
6193 TEST_ARGS="-L${LIB_DIR} $TEST_ARGS"
6194 TEST_ARG2="-L${LIB_2ND} $TEST_ARG2"
6195
6196 AC_SUBST(TEST_ARGS)
6197 AC_SUBST(TEST_DEPS)
6198
6199 AC_SUBST(TEST_ARG2)
6200 AC_SUBST(TEST_DEP2)
6201
6202 SRC_SUBDIRS=
6203 if test "x$cf_with_manpages" != xno ; then
6204         SRC_SUBDIRS="$SRC_SUBDIRS man"
6205 fi
6206 SRC_SUBDIRS="$SRC_SUBDIRS include"
6207 for cf_dir in $cf_cv_src_modules
6208 do
6209         SRC_SUBDIRS="$SRC_SUBDIRS $cf_dir"
6210 done
6211 if test "x$cf_with_tests" != "xno" ; then
6212         SRC_SUBDIRS="$SRC_SUBDIRS test"
6213 fi
6214 # always make this, to install the ncurses-config script
6215 SRC_SUBDIRS="$SRC_SUBDIRS misc"
6216 if test "$cf_with_cxx_binding" != no; then
6217         PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ncurses++${USE_ARG_SUFFIX}"
6218         SRC_SUBDIRS="$SRC_SUBDIRS c++"
6219 fi
6220
6221 test "x$with_termlib" != xno && PC_MODULES_TO_MAKE="$PC_MODULES_TO_MAKE $TINFO_ARG_SUFFIX"
6222 test "x$with_ticlib" != xno && PC_MODULES_TO_MAKE="$PC_MODULES_TO_MAKE $TICS_ARG_SUFFIX"
6223
6224 AC_SUBST(PC_MODULES_TO_MAKE)
6225
6226 ADA_SUBDIRS=
6227 if test "x$cf_with_ada" = "xyes" && test "x$cf_cv_prog_gnat_correct" = xyes && test -f $srcdir/Ada95/Makefile.in; then
6228         SRC_SUBDIRS="$SRC_SUBDIRS Ada95"
6229         ADA_SUBDIRS="gen src"
6230         if test "x$cf_with_tests" != "xno" ; then
6231                 ADA_SUBDIRS="$ADA_SUBDIRS samples"
6232         fi
6233 fi
6234
6235 SUB_MAKEFILES=
6236 for cf_dir in $SRC_SUBDIRS
6237 do
6238         SUB_MAKEFILES="$SUB_MAKEFILES $cf_dir/Makefile"
6239 done
6240
6241 if test -n "$ADA_SUBDIRS"; then
6242         for cf_dir in $ADA_SUBDIRS
6243         do
6244                 SUB_MAKEFILES="$SUB_MAKEFILES Ada95/$cf_dir/Makefile"
6245         done
6246         AC_SUBST(ADA_SUBDIRS)
6247 fi
6248 ])dnl
6249 dnl ---------------------------------------------------------------------------
6250 dnl CF_STDCPP_LIBRARY version: 8 updated: 2015/04/17 21:13:04
6251 dnl -----------------
6252 dnl Check for -lstdc++, which is GNU's standard C++ library.
6253 AC_DEFUN([CF_STDCPP_LIBRARY],
6254 [
6255 if test -n "$GXX" ; then
6256 case $cf_cv_system_name in
6257 (os2*)
6258         cf_stdcpp_libname=stdcpp
6259         ;;
6260 (*)
6261         cf_stdcpp_libname=stdc++
6262         ;;
6263 esac
6264 AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
6265         cf_save="$LIBS"
6266         CF_ADD_LIB($cf_stdcpp_libname)
6267 AC_TRY_LINK([
6268 #include <strstream.h>],[
6269 char buf[80];
6270 strstreambuf foo(buf, sizeof(buf))
6271 ],
6272         [cf_cv_libstdcpp=yes],
6273         [cf_cv_libstdcpp=no])
6274         LIBS="$cf_save"
6275 ])
6276 test "$cf_cv_libstdcpp" = yes && CF_ADD_LIB($cf_stdcpp_libname,CXXLIBS)
6277 fi
6278 ])dnl
6279 dnl ---------------------------------------------------------------------------
6280 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
6281 dnl --------------
6282 dnl     Remove "-g" option from the compiler options
6283 AC_DEFUN([CF_STRIP_G_OPT],
6284 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
6285 dnl ---------------------------------------------------------------------------
6286 dnl CF_STRUCT_SIGACTION version: 5 updated: 2012/10/06 17:56:13
6287 dnl -------------------
6288 dnl Check if we need _POSIX_SOURCE defined to use struct sigaction.  We'll only
6289 dnl do this if we've found the sigaction function.
6290 AC_DEFUN([CF_STRUCT_SIGACTION],[
6291 AC_REQUIRE([CF_XOPEN_SOURCE])
6292
6293 if test "$ac_cv_func_sigaction" = yes; then
6294 AC_MSG_CHECKING(whether sigaction needs _POSIX_SOURCE)
6295 AC_TRY_COMPILE([
6296 #include <sys/types.h>
6297 #include <signal.h>],
6298         [struct sigaction act],
6299         [sigact_bad=no],
6300         [
6301 AC_TRY_COMPILE([
6302 #define _POSIX_SOURCE
6303 #include <sys/types.h>
6304 #include <signal.h>],
6305         [struct sigaction act],
6306         [sigact_bad=yes
6307          AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE])],
6308          [sigact_bad=unknown])])
6309 AC_MSG_RESULT($sigact_bad)
6310 fi
6311 ])dnl
6312 dnl ---------------------------------------------------------------------------
6313 dnl CF_STRUCT_TERMIOS version: 8 updated: 2015/04/15 19:08:48
6314 dnl -----------------
6315 dnl Some machines require _POSIX_SOURCE to completely define struct termios.
6316 AC_DEFUN([CF_STRUCT_TERMIOS],[
6317 AC_REQUIRE([CF_XOPEN_SOURCE])
6318
6319 AC_CHECK_HEADERS( \
6320 termio.h \
6321 termios.h \
6322 unistd.h \
6323 )
6324
6325 if test "$ISC" = yes ; then
6326         AC_CHECK_HEADERS( sys/termio.h )
6327 fi
6328 if test "$ac_cv_header_termios_h" = yes ; then
6329         case "$CFLAGS $CPPFLAGS" in
6330         (*-D_POSIX_SOURCE*)
6331                 termios_bad=dunno ;;
6332         (*)     termios_bad=maybe ;;
6333         esac
6334         if test "$termios_bad" = maybe ; then
6335         AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
6336         AC_TRY_COMPILE([#include <termios.h>],
6337                 [struct termios foo; int x = foo.c_iflag],
6338                 termios_bad=no, [
6339                 AC_TRY_COMPILE([
6340 #define _POSIX_SOURCE
6341 #include <termios.h>],
6342                         [struct termios foo; int x = foo.c_iflag],
6343                         termios_bad=unknown,
6344                         termios_bad=yes AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE]))
6345                         ])
6346         AC_MSG_RESULT($termios_bad)
6347         fi
6348 fi
6349 ])dnl
6350 dnl ---------------------------------------------------------------------------
6351 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
6352 dnl --------------
6353 dnl Construct a search-list for a nonstandard header/lib-file
6354 dnl     $1 = the variable to return as result
6355 dnl     $2 = the package name
6356 dnl     $3 = the subdirectory, e.g., bin, include or lib
6357 AC_DEFUN([CF_SUBDIR_PATH],
6358 [
6359 $1=
6360
6361 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
6362
6363 for cf_subdir_prefix in \
6364         /usr \
6365         /usr/local \
6366         /usr/pkg \
6367         /opt \
6368         /opt/local \
6369         [$]HOME
6370 do
6371         CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
6372 done
6373 ])dnl
6374 dnl ---------------------------------------------------------------------------
6375 dnl CF_SUBST_IF version: 2 updated: 2006/06/17 12:33:03
6376 dnl -----------
6377 dnl     Shorthand macro for substituting things that the user may override
6378 dnl     with an environment variable.
6379 dnl
6380 dnl     $1 = condition to pass to "test"
6381 dnl     $2 = environment variable
6382 dnl     $3 = value if the test succeeds
6383 dnl     $4 = value if the test fails
6384 AC_DEFUN([CF_SUBST_IF],
6385 [
6386 if test $1 ; then
6387         $2=$3
6388 ifelse($4,,,[else
6389         $2=$4])
6390 fi
6391 AC_SUBST($2)
6392 ])dnl
6393 dnl ---------------------------------------------------------------------------
6394 dnl CF_SUBST_NCURSES_VERSION version: 8 updated: 2006/09/16 11:40:59
6395 dnl ------------------------
6396 dnl Get the version-number for use in shared-library naming, etc.
6397 AC_DEFUN([CF_SUBST_NCURSES_VERSION],
6398 [
6399 AC_REQUIRE([CF_PROG_EGREP])
6400 NCURSES_MAJOR="`$ac_cv_prog_egrep '^NCURSES_MAJOR[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
6401 NCURSES_MINOR="`$ac_cv_prog_egrep '^NCURSES_MINOR[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
6402 NCURSES_PATCH="`$ac_cv_prog_egrep '^NCURSES_PATCH[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
6403 cf_cv_abi_version=${NCURSES_MAJOR}
6404 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
6405 dnl Show the computed version, for logging
6406 cf_cv_timestamp=`date`
6407 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
6408 dnl We need these values in the generated headers
6409 AC_SUBST(NCURSES_MAJOR)
6410 AC_SUBST(NCURSES_MINOR)
6411 AC_SUBST(NCURSES_PATCH)
6412 dnl We need these values in the generated makefiles
6413 AC_SUBST(cf_cv_rel_version)
6414 AC_SUBST(cf_cv_abi_version)
6415 AC_SUBST(cf_cv_builtin_bool)
6416 AC_SUBST(cf_cv_header_stdbool_h)
6417 AC_SUBST(cf_cv_type_of_bool)dnl
6418 ])dnl
6419 dnl ---------------------------------------------------------------------------
6420 dnl CF_SYS_TIME_SELECT version: 6 updated: 2015/04/18 08:56:57
6421 dnl ------------------
6422 dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
6423 dnl older SCO configurations.
6424 AC_DEFUN([CF_SYS_TIME_SELECT],
6425 [
6426 AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
6427 AC_CACHE_VAL(cf_cv_sys_time_select,[
6428 AC_TRY_COMPILE([
6429 #include <sys/types.h>
6430 #ifdef HAVE_SYS_TIME_H
6431 #include <sys/time.h>
6432 #endif
6433 #ifdef HAVE_SYS_SELECT_H
6434 #include <sys/select.h>
6435 #endif
6436 ],[],[cf_cv_sys_time_select=yes],
6437          [cf_cv_sys_time_select=no])
6438          ])
6439 AC_MSG_RESULT($cf_cv_sys_time_select)
6440 test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT,1,[Define to 1 if we can include <sys/time.h> with <sys/select.h>])
6441 ])dnl
6442 dnl ---------------------------------------------------------------------------
6443 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
6444 dnl ---------------
6445 dnl Define a top_builddir symbol, for applications that need an absolute path.
6446 AC_DEFUN([CF_TOP_BUILDDIR],
6447 [
6448 top_builddir=ifelse($1,,`pwd`,$1)
6449 AC_SUBST(top_builddir)
6450 ])dnl
6451 dnl ---------------------------------------------------------------------------
6452 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
6453 dnl -------------------
6454 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
6455 dnl can define it successfully.
6456 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
6457 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
6458         AC_TRY_COMPILE([
6459 #include <stdlib.h>
6460 #include <string.h>
6461 #include <sys/types.h>
6462 ],[
6463 #ifndef _XOPEN_SOURCE
6464 make an error
6465 #endif],
6466         [cf_cv_xopen_source=no],
6467         [cf_save="$CPPFLAGS"
6468          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
6469          AC_TRY_COMPILE([
6470 #include <stdlib.h>
6471 #include <string.h>
6472 #include <sys/types.h>
6473 ],[
6474 #ifdef _XOPEN_SOURCE
6475 make an error
6476 #endif],
6477         [cf_cv_xopen_source=no],
6478         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
6479         CPPFLAGS="$cf_save"
6480         ])
6481 ])
6482
6483 if test "$cf_cv_xopen_source" != no ; then
6484         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
6485         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
6486         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
6487         CF_ADD_CFLAGS($cf_temp_xopen_source)
6488 fi
6489 ])
6490 dnl ---------------------------------------------------------------------------
6491 dnl CF_TYPEOF_CHTYPE version: 9 updated: 2012/10/06 17:56:13
6492 dnl ----------------
6493 dnl Determine the type we should use for chtype (and attr_t, which is treated
6494 dnl as the same thing).  We want around 32 bits, so on most machines want a
6495 dnl long, but on newer 64-bit machines, probably want an int.  If we're using
6496 dnl wide characters, we have to have a type compatible with that, as well.
6497 AC_DEFUN([CF_TYPEOF_CHTYPE],
6498 [
6499 AC_MSG_CHECKING([for type of chtype])
6500 AC_CACHE_VAL(cf_cv_typeof_chtype,[
6501                 AC_TRY_RUN([
6502 #define WANT_BITS 31
6503 #include <stdio.h>
6504 int main()
6505 {
6506         FILE *fp = fopen("cf_test.out", "w");
6507         if (fp != 0) {
6508                 char *result = "long";
6509                 if (sizeof(unsigned long) > sizeof(unsigned int)) {
6510                         int n;
6511                         unsigned int x, y;
6512                         for (n = 0; n < WANT_BITS; n++) {
6513                                 x = (1 << n);
6514                                 y = (x >> n);
6515                                 if (y != 1 || x == 0) {
6516                                         x = 0;
6517                                         break;
6518                                 }
6519                         }
6520                         /*
6521                          * If x is nonzero, an int is big enough for the bits
6522                          * that we want.
6523                          */
6524                         result = (x != 0) ? "int" : "long";
6525                 }
6526                 fputs(result, fp);
6527                 fclose(fp);
6528         }
6529         ${cf_cv_main_return:-return}(0);
6530 }
6531                 ],
6532                 [cf_cv_typeof_chtype=`cat cf_test.out`],
6533                 [cf_cv_typeof_chtype=long],
6534                 [cf_cv_typeof_chtype=long])
6535                 rm -f cf_test.out
6536         ])
6537 AC_MSG_RESULT($cf_cv_typeof_chtype)
6538
6539 AC_SUBST(cf_cv_typeof_chtype)
6540 AC_DEFINE_UNQUOTED(TYPEOF_CHTYPE,$cf_cv_typeof_chtype,[Define to actual type if needed for chtype])
6541 ])dnl
6542 dnl ---------------------------------------------------------------------------
6543 dnl CF_TYPE_SIGACTION version: 4 updated: 2012/10/06 17:56:13
6544 dnl -----------------
6545 dnl
6546 AC_DEFUN([CF_TYPE_SIGACTION],
6547 [
6548 AC_MSG_CHECKING([for type sigaction_t])
6549 AC_CACHE_VAL(cf_cv_type_sigaction,[
6550         AC_TRY_COMPILE([
6551 #include <signal.h>],
6552                 [sigaction_t x],
6553                 [cf_cv_type_sigaction=yes],
6554                 [cf_cv_type_sigaction=no])])
6555 AC_MSG_RESULT($cf_cv_type_sigaction)
6556 test "$cf_cv_type_sigaction" = yes && AC_DEFINE(HAVE_TYPE_SIGACTION,1,[Define to 1 if we have the sigaction_t type])
6557 ])dnl
6558 dnl ---------------------------------------------------------------------------
6559 dnl CF_UNSIGNED_LITERALS version: 2 updated: 1998/02/07 22:10:16
6560 dnl --------------------
6561 dnl Test if the compiler supports 'U' and 'L' suffixes.  Only old compilers
6562 dnl won't, but they're still there.
6563 AC_DEFUN([CF_UNSIGNED_LITERALS],
6564 [
6565 AC_MSG_CHECKING([if unsigned literals are legal])
6566 AC_CACHE_VAL(cf_cv_unsigned_literals,[
6567         AC_TRY_COMPILE([],[long x = 1L + 1UL + 1U + 1],
6568                 [cf_cv_unsigned_literals=yes],
6569                 [cf_cv_unsigned_literals=no])
6570         ])
6571 AC_MSG_RESULT($cf_cv_unsigned_literals)
6572 ])dnl
6573 dnl ---------------------------------------------------------------------------
6574 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
6575 dnl --------
6576 dnl Make an uppercase version of a variable
6577 dnl $1=uppercase($2)
6578 AC_DEFUN([CF_UPPER],
6579 [
6580 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
6581 ])dnl
6582 dnl ---------------------------------------------------------------------------
6583 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
6584 dnl -----------
6585 dnl Check for multibyte support, and if not found, utf8 compatibility library
6586 AC_DEFUN([CF_UTF8_LIB],
6587 [
6588 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
6589         cf_save_LIBS="$LIBS"
6590         AC_TRY_LINK([
6591 #include <stdlib.h>],[putwc(0,0);],
6592         [cf_cv_utf8_lib=yes],
6593         [CF_FIND_LINKAGE([
6594 #include <libutf8.h>],[putwc(0,0);],utf8,
6595                 [cf_cv_utf8_lib=add-on],
6596                 [cf_cv_utf8_lib=no])
6597 ])])
6598
6599 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
6600 # ncurses/ncursesw:
6601 if test "$cf_cv_utf8_lib" = "add-on" ; then
6602         AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
6603         CF_ADD_INCDIR($cf_cv_header_path_utf8)
6604         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
6605         CF_ADD_LIBS($cf_cv_library_file_utf8)
6606 fi
6607 ])dnl
6608 dnl ---------------------------------------------------------------------------
6609 dnl CF_VA_COPY version: 3 updated: 2012/10/06 11:17:15
6610 dnl ----------
6611 dnl check for va_copy, part of stdarg.h
6612 dnl Also, workaround for glibc's __va_copy, by checking for both.
6613 AC_DEFUN([CF_VA_COPY],[
6614 AC_CACHE_CHECK(for va_copy, cf_cv_have_va_copy,[
6615 AC_TRY_LINK([
6616 #include <stdarg.h>
6617 ],[
6618         static va_list dst;
6619         static va_list src;
6620         va_copy(dst, src)],
6621         cf_cv_have_va_copy=yes,
6622         cf_cv_have_va_copy=no)])
6623
6624 test "$cf_cv_have_va_copy" = yes && AC_DEFINE(HAVE_VA_COPY,1,[Define to 1 if we have va_copy])
6625
6626 AC_CACHE_CHECK(for __va_copy, cf_cv_have___va_copy,[
6627 AC_TRY_LINK([
6628 #include <stdarg.h>
6629 ],[
6630         static va_list dst;
6631         static va_list src;
6632         __va_copy(dst, src)],
6633         cf_cv_have___va_copy=yes,
6634         cf_cv_have___va_copy=no)])
6635
6636 test "$cf_cv_have___va_copy" = yes && AC_DEFINE(HAVE___VA_COPY,1,[Define to 1 if we have __va_copy])
6637 ])
6638 dnl ---------------------------------------------------------------------------
6639 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
6640 dnl ----------
6641 dnl Use AC_VERBOSE w/o the warnings
6642 AC_DEFUN([CF_VERBOSE],
6643 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
6644 CF_MSG_LOG([$1])
6645 ])dnl
6646 dnl ---------------------------------------------------------------------------
6647 dnl CF_VERSION_INFO version: 7 updated: 2015/04/17 21:13:04
6648 dnl ---------------
6649 dnl Define several useful symbols derived from the VERSION file.  A separate
6650 dnl file is preferred to embedding the version numbers in various scripts.
6651 dnl (automake is a textbook-example of why the latter is a bad idea, but there
6652 dnl are others).
6653 dnl
6654 dnl The file contents are:
6655 dnl     libtool-version release-version patch-version
6656 dnl or
6657 dnl     release-version
6658 dnl where
6659 dnl     libtool-version (see ?) consists of 3 integers separated by '.'
6660 dnl     release-version consists of a major version and minor version
6661 dnl             separated by '.', optionally followed by a patch-version
6662 dnl             separated by '-'.  The minor version need not be an
6663 dnl             integer (but it is preferred).
6664 dnl     patch-version is an integer in the form yyyymmdd, so ifdef's and
6665 dnl             scripts can easily compare versions.
6666 dnl
6667 dnl If libtool is used, the first form is required, since CF_WITH_LIBTOOL
6668 dnl simply extracts the first field using 'cut -f1'.
6669 dnl
6670 dnl Optional parameters:
6671 dnl $1 = internal name for package
6672 dnl $2 = external name for package
6673 AC_DEFUN([CF_VERSION_INFO],
6674 [
6675 if test -f $srcdir/VERSION ; then
6676         AC_MSG_CHECKING(for package version)
6677
6678         # if there are not enough fields, cut returns the last one...
6679         cf_field1=`sed -e '2,$d' $srcdir/VERSION|cut -f1`
6680         cf_field2=`sed -e '2,$d' $srcdir/VERSION|cut -f2`
6681         cf_field3=`sed -e '2,$d' $srcdir/VERSION|cut -f3`
6682
6683         # this is how CF_BUNDLED_INTL uses $VERSION:
6684         VERSION="$cf_field1"
6685
6686         VERSION_MAJOR=`echo "$cf_field2" | sed -e 's/\..*//'`
6687         test -z "$VERSION_MAJOR" && AC_MSG_ERROR(missing major-version)
6688
6689         VERSION_MINOR=`echo "$cf_field2" | sed -e 's/^[[^.]]*\.//' -e 's/-.*//'`
6690         test -z "$VERSION_MINOR" && AC_MSG_ERROR(missing minor-version)
6691
6692         AC_MSG_RESULT(${VERSION_MAJOR}.${VERSION_MINOR})
6693
6694         AC_MSG_CHECKING(for package patch date)
6695         VERSION_PATCH=`echo "$cf_field3" | sed -e 's/^[[^-]]*-//'`
6696         case .$VERSION_PATCH in
6697         (.)
6698                 AC_MSG_ERROR(missing patch-date $VERSION_PATCH)
6699                 ;;
6700         (.[[0-9]][[0-9]][[0-9]][[0-9]][[0-9]][[0-9]][[0-9]][[0-9]])
6701                 ;;
6702         (*)
6703                 AC_MSG_ERROR(illegal patch-date $VERSION_PATCH)
6704                 ;;
6705         esac
6706         AC_MSG_RESULT($VERSION_PATCH)
6707 else
6708         AC_MSG_ERROR(did not find $srcdir/VERSION)
6709 fi
6710
6711 # show the actual data that we have for versions:
6712 CF_VERBOSE(ABI VERSION $VERSION)
6713 CF_VERBOSE(VERSION_MAJOR $VERSION_MAJOR)
6714 CF_VERBOSE(VERSION_MINOR $VERSION_MINOR)
6715 CF_VERBOSE(VERSION_PATCH $VERSION_PATCH)
6716
6717 AC_SUBST(VERSION)
6718 AC_SUBST(VERSION_MAJOR)
6719 AC_SUBST(VERSION_MINOR)
6720 AC_SUBST(VERSION_PATCH)
6721
6722 dnl if a package name is given, define its corresponding version info.  We
6723 dnl need the package name to ensure that the defined symbols are unique.
6724 ifelse($1,,,[
6725         cf_PACKAGE=$1
6726         PACKAGE=ifelse($2,,$1,$2)
6727         AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE",[Define to the package-name])
6728         AC_SUBST(PACKAGE)
6729         CF_UPPER(cf_PACKAGE,$cf_PACKAGE)
6730         AC_DEFINE_UNQUOTED(${cf_PACKAGE}_VERSION,"${VERSION_MAJOR}.${VERSION_MINOR}")
6731         AC_DEFINE_UNQUOTED(${cf_PACKAGE}_PATCHDATE,${VERSION_PATCH})
6732 ])
6733 ])dnl
6734 dnl ---------------------------------------------------------------------------
6735 dnl CF_WCHAR_TYPE version: 4 updated: 2012/10/06 16:39:58
6736 dnl -------------
6737 dnl Check if type wide-character type $1 is declared, and if so, which header
6738 dnl file is needed.  The second parameter is used to set a shell variable when
6739 dnl the type is not found.  The first parameter sets a shell variable for the
6740 dnl opposite sense.
6741 AC_DEFUN([CF_WCHAR_TYPE],
6742 [
6743 # This is needed on Tru64 5.0 to declare $1
6744 AC_CACHE_CHECK(if we must include wchar.h to declare $1,cf_cv_$1,[
6745 AC_TRY_COMPILE([
6746 #include <stdlib.h>
6747 #include <stdarg.h>
6748 #include <stdio.h>
6749 #ifdef HAVE_LIBUTF8_H
6750 #include <libutf8.h>
6751 #endif],
6752         [$1 state],
6753         [cf_cv_$1=no],
6754         [AC_TRY_COMPILE([
6755 #include <stdlib.h>
6756 #include <stdarg.h>
6757 #include <stdio.h>
6758 #include <wchar.h>
6759 #ifdef HAVE_LIBUTF8_H
6760 #include <libutf8.h>
6761 #endif],
6762         [$1 value],
6763         [cf_cv_$1=yes],
6764         [cf_cv_$1=unknown])])])
6765
6766 if test "$cf_cv_$1" = yes ; then
6767         AC_DEFINE(NEED_WCHAR_H,1,[Define to 1 if we must include wchar.h])
6768         NEED_WCHAR_H=1
6769 fi
6770
6771 ifelse([$2],,,[
6772 # if we do not find $1 in either place, use substitution to provide a fallback.
6773 if test "$cf_cv_$1" = unknown ; then
6774         $2=1
6775 fi
6776 ])
6777 ifelse($3,,,[
6778 # if we find $1 in either place, use substitution to provide a fallback.
6779 if test "$cf_cv_$1" != unknown ; then
6780         $3=1
6781 fi
6782 ])
6783 ])dnl
6784 dnl ---------------------------------------------------------------------------
6785 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
6786 dnl ---------------
6787 dnl Check for compiler-support for weak symbols.
6788 dnl This works with "recent" gcc.
6789 AC_DEFUN([CF_WEAK_SYMBOLS],[
6790 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
6791
6792 AC_TRY_COMPILE([
6793 #include <stdio.h>],
6794 [
6795 #if defined(__GNUC__)
6796 #  if defined __USE_ISOC99
6797 #    define _cat_pragma(exp)    _Pragma(#exp)
6798 #    define _weak_pragma(exp)   _cat_pragma(weak name)
6799 #  else
6800 #    define _weak_pragma(exp)
6801 #  endif
6802 #  define _declare(name)        __extension__ extern __typeof__(name) name
6803 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
6804 #endif
6805
6806 weak_symbol(fopen);
6807 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
6808 ])
6809 ])dnl
6810 dnl ---------------------------------------------------------------------------
6811 dnl CF_WITH_ABI_VERSION version: 3 updated: 2015/06/06 16:10:11
6812 dnl -------------------
6813 dnl Allow library's ABI to be overridden.  Generally this happens when a
6814 dnl packager has incremented the ABI past that used in the original package,
6815 dnl and wishes to keep doing this.
6816 dnl
6817 dnl $1 is the package name, if any, to derive a corresponding {package}_ABI
6818 dnl symbol.
6819 AC_DEFUN([CF_WITH_ABI_VERSION],[
6820 test -z "$cf_cv_abi_version" && cf_cv_abi_version=0
6821 AC_ARG_WITH(abi-version,
6822 [  --with-abi-version=XXX  override derived ABI version],[
6823         if test "x$cf_cv_abi_version" != "x$withval"
6824         then
6825                 AC_MSG_WARN(overriding ABI version $cf_cv_abi_version to $withval)
6826                 case $cf_cv_rel_version in
6827                 (5.*)
6828                         cf_cv_rel_version=$withval.0
6829                         ;;
6830                 (6.*)
6831                         cf_cv_rel_version=$withval.9    # FIXME: should be 10 as of 6.0 release
6832                         ;;
6833                 esac
6834         fi
6835         cf_cv_abi_version=$withval])
6836         CF_NUMBER_SYNTAX($cf_cv_abi_version,ABI version)
6837 ifelse($1,,,[
6838 $1_ABI=$cf_cv_abi_version
6839 ])
6840 ])dnl
6841 dnl ---------------------------------------------------------------------------
6842 dnl CF_NCURSES_WITH_ABI_VERSION version: 1 updated: 2015/06/06 13:49:58
6843 dnl ---------------------------
6844 dnl CF_WITH_ABI_VERSION version: 1 updated: 2003/09/20 18:12:49
6845 dnl -------------------
6846 dnl Allow ncurses's ABI to be overridden.  Generally this happens when a
6847 dnl packager has incremented the ABI past that used in the original package,
6848 dnl and wishes to keep doing this.
6849 dnl
6850 dnl $1 is the package name, if any, to derive a corresponding {package}_ABI
6851 dnl symbol.
6852 AC_DEFUN([CF_NCURSES_WITH_ABI_VERSION],[
6853 CF_WITH_ABI_VERSION($1)
6854 if test "x$cf_cv_abi_version" != "x$with_abi_version"
6855 then
6856         case $cf_cv_rel_version in
6857         (5.*)
6858                 cf_cv_rel_version=$with_abi_version.0
6859                 ;;
6860         esac
6861 fi
6862 ])dnl
6863 dnl ---------------------------------------------------------------------------
6864 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
6865 dnl --------------------
6866 dnl Command-line option to specify the Ada95 compiler.
6867 AC_DEFUN([CF_WITH_ADA_COMPILER],[
6868 AC_MSG_CHECKING(for ada-compiler)
6869 AC_ARG_WITH(ada-compiler,
6870         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
6871         [cf_ada_compiler=$withval],
6872         [cf_ada_compiler=gnatmake])
6873 AC_SUBST(cf_ada_compiler)
6874 AC_MSG_RESULT($cf_ada_compiler)
6875 ])dnl
6876 dnl ---------------------------------------------------------------------------
6877 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
6878 dnl -------------------
6879 dnl Command-line option to specify where Ada includes will install.
6880 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
6881 AC_MSG_CHECKING(for ada-include)
6882 CF_WITH_PATH(ada-include,
6883    [  --with-ada-include=DIR  Ada includes are in DIR],
6884    ADA_INCLUDE,
6885    PREFIX/share/ada/adainclude,
6886    [$]prefix/share/ada/adainclude)
6887 AC_SUBST(ADA_INCLUDE)
6888 AC_MSG_RESULT($ADA_INCLUDE)
6889 ])dnl
6890 dnl ---------------------------------------------------------------------------
6891 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
6892 dnl -------------------
6893 dnl Command-line option to specify where Ada objects will install.
6894 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
6895 AC_MSG_CHECKING(for ada-objects)
6896 CF_WITH_PATH(ada-objects,
6897    [  --with-ada-objects=DIR  Ada objects are in DIR],
6898    ADA_OBJECTS,
6899    PREFIX/lib/ada/adalib,
6900    [$]prefix/lib/ada/adalib)
6901 AC_SUBST(ADA_OBJECTS)
6902 AC_MSG_RESULT($ADA_OBJECTS)
6903 ])dnl
6904 dnl ---------------------------------------------------------------------------
6905 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
6906 dnl ---------------------
6907 dnl Command-line option to specify if an Ada95 shared-library should be built,
6908 dnl and optionally what its soname should be.
6909 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
6910 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
6911 AC_ARG_WITH(ada-sharedlib,
6912         [  --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
6913         [with_ada_sharedlib=$withval],
6914         [with_ada_sharedlib=no])
6915 AC_MSG_RESULT($with_ada_sharedlib)
6916
6917 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
6918 MAKE_ADA_SHAREDLIB="#"
6919
6920 if test "x$with_ada_sharedlib" != xno
6921 then
6922         MAKE_ADA_SHAREDLIB=
6923         if test "x$with_ada_sharedlib" != xyes
6924         then
6925                 ADA_SHAREDLIB="$with_ada_sharedlib"
6926         fi
6927 fi
6928
6929 AC_SUBST(ADA_SHAREDLIB)
6930 AC_SUBST(MAKE_ADA_SHAREDLIB)
6931 ])dnl
6932 dnl ---------------------------------------------------------------------------
6933 dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
6934 dnl ----------------
6935 dnl Configure-option for dbmalloc.  The optional parameter is used to override
6936 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
6937 AC_DEFUN([CF_WITH_DBMALLOC],[
6938 CF_NO_LEAKS_OPTION(dbmalloc,
6939         [  --with-dbmalloc         test: use Conor Cahill's dbmalloc library],
6940         [USE_DBMALLOC])
6941
6942 if test "$with_dbmalloc" = yes ; then
6943         AC_CHECK_HEADER(dbmalloc.h,
6944                 [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
6945 fi
6946 ])dnl
6947 dnl ---------------------------------------------------------------------------
6948 dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
6949 dnl ---------------
6950 dnl Configure-option for dmalloc.  The optional parameter is used to override
6951 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
6952 AC_DEFUN([CF_WITH_DMALLOC],[
6953 CF_NO_LEAKS_OPTION(dmalloc,
6954         [  --with-dmalloc          test: use Gray Watson's dmalloc library],
6955         [USE_DMALLOC])
6956
6957 if test "$with_dmalloc" = yes ; then
6958         AC_CHECK_HEADER(dmalloc.h,
6959                 [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
6960 fi
6961 ])dnl
6962 dnl ---------------------------------------------------------------------------
6963 dnl CF_WITH_EXPORT_SYMS version: 3 updated: 2014/12/20 19:16:08
6964 dnl -------------------
6965 dnl Use this with libtool to specify the list of symbols that may be exported.
6966 dnl The input file contains one symbol per line; comments work with "#".
6967 dnl
6968 dnl $1 = basename of the ".sym" file (default $PACKAGE)
6969 AC_DEFUN([CF_WITH_EXPORT_SYMS],
6970 [
6971 AC_MSG_CHECKING(if exported-symbols file should be used)
6972 AC_ARG_WITH(export-syms,
6973         [  --with-export-syms=XXX  limit exported symbols using libtool],
6974         [with_export_syms=$withval],
6975         [with_export_syms=no])
6976 if test "x$with_export_syms" = xyes
6977 then
6978         with_export_syms='${top_srcdir}/package/ifelse($1,,${PACKAGE},[$1]).sym'
6979         AC_SUBST(PACKAGE)
6980 fi
6981 AC_MSG_RESULT($with_export_syms)
6982 if test "x$with_export_syms" != xno
6983 then
6984         EXPORT_SYMS="-export-symbols $with_export_syms"
6985         AC_SUBST(EXPORT_SYMS)
6986 fi
6987 ])dnl
6988 dnl ---------------------------------------------------------------------------
6989 dnl CF_WITH_GPM version: 8 updated: 2012/10/06 17:56:13
6990 dnl -----------
6991 dnl
6992 dnl The option parameter (if neither yes/no) is assumed to be the name of
6993 dnl the gpm library, e.g., for dynamic loading.
6994 AC_DEFUN([CF_WITH_GPM],
6995 [
6996 AC_MSG_CHECKING(if you want to link with the GPM mouse library)
6997 AC_ARG_WITH(gpm,
6998         [  --with-gpm              use Alessandro Rubini's GPM library],
6999         [with_gpm=$withval],
7000         [with_gpm=maybe])
7001 AC_MSG_RESULT($with_gpm)
7002
7003 if test "$with_gpm" != no ; then
7004         AC_CHECK_HEADER(gpm.h,[
7005                 AC_DEFINE(HAVE_GPM_H,1,[Define to 1 if we have gpm.h header])
7006                 if test "$with_gpm" != yes && test "$with_gpm" != maybe ; then
7007                         CF_VERBOSE(assuming we really have GPM library)
7008                         AC_DEFINE(HAVE_LIBGPM,1,[Define to 1 if we have the gpm library])
7009                 else
7010                         AC_CHECK_LIB(gpm,Gpm_Open,[:],[
7011                                 AC_MSG_ERROR(Cannot link with GPM library)
7012                 fi
7013                 with_gpm=yes
7014                 ])
7015         ],[
7016                 test "$with_gpm" != maybe && AC_MSG_WARN(Cannot find GPM header)
7017                 with_gpm=no
7018         ])
7019 fi
7020 ])
7021 dnl ---------------------------------------------------------------------------
7022 dnl CF_WITH_LIBTOOL version: 32 updated: 2015/04/17 21:13:04
7023 dnl ---------------
7024 dnl Provide a configure option to incorporate libtool.  Define several useful
7025 dnl symbols for the makefile rules.
7026 dnl
7027 dnl The reference to AC_PROG_LIBTOOL does not normally work, since it uses
7028 dnl macros from libtool.m4 which is in the aclocal directory of automake.
7029 dnl Following is a simple script which turns on the AC_PROG_LIBTOOL macro.
7030 dnl But that still does not work properly since the macro is expanded outside
7031 dnl the CF_WITH_LIBTOOL macro:
7032 dnl
7033 dnl     #!/bin/sh
7034 dnl     ACLOCAL=`aclocal --print-ac-dir`
7035 dnl     if test -z "$ACLOCAL" ; then
7036 dnl             echo cannot find aclocal directory
7037 dnl             exit 1
7038 dnl     elif test ! -f $ACLOCAL/libtool.m4 ; then
7039 dnl             echo cannot find libtool.m4 file
7040 dnl             exit 1
7041 dnl     fi
7042 dnl
7043 dnl     LOCAL=aclocal.m4
7044 dnl     ORIG=aclocal.m4.orig
7045 dnl
7046 dnl     trap "mv $ORIG $LOCAL" 0 1 2 5 15
7047 dnl     rm -f $ORIG
7048 dnl     mv $LOCAL $ORIG
7049 dnl
7050 dnl     # sed the LIBTOOL= assignment to omit the current directory?
7051 dnl     sed -e 's/^LIBTOOL=.*/LIBTOOL=${LIBTOOL:-libtool}/' $ACLOCAL/libtool.m4 >>$LOCAL
7052 dnl     cat $ORIG >>$LOCAL
7053 dnl
7054 dnl     autoconf-257 $*
7055 dnl
7056 AC_DEFUN([CF_WITH_LIBTOOL],
7057 [
7058 AC_REQUIRE([CF_DISABLE_LIBTOOL_VERSION])
7059 ifdef([AC_PROG_LIBTOOL],,[
7060 LIBTOOL=
7061 ])
7062 # common library maintenance symbols that are convenient for libtool scripts:
7063 LIB_CREATE='${AR} -cr'
7064 LIB_OBJECT='${OBJECTS}'
7065 LIB_SUFFIX=.a
7066 LIB_PREP="$RANLIB"
7067
7068 # symbols used to prop libtool up to enable it to determine what it should be
7069 # doing:
7070 LIB_CLEAN=
7071 LIB_COMPILE=
7072 LIB_LINK='${CC}'
7073 LIB_INSTALL=
7074 LIB_UNINSTALL=
7075
7076 AC_MSG_CHECKING(if you want to build libraries with libtool)
7077 AC_ARG_WITH(libtool,
7078         [  --with-libtool          generate libraries with libtool],
7079         [with_libtool=$withval],
7080         [with_libtool=no])
7081 AC_MSG_RESULT($with_libtool)
7082 if test "$with_libtool" != "no"; then
7083 ifdef([AC_PROG_LIBTOOL],[
7084         # missing_content_AC_PROG_LIBTOOL{{
7085         AC_PROG_LIBTOOL
7086         # missing_content_AC_PROG_LIBTOOL}}
7087 ],[
7088         if test "$with_libtool" != "yes" ; then
7089                 CF_PATH_SYNTAX(with_libtool)
7090                 LIBTOOL=$with_libtool
7091         else
7092                 AC_CHECK_TOOLS(LIBTOOL,[libtool glibtool],none)
7093                 CF_LIBTOOL_VERSION
7094                 if test -z "$cf_cv_libtool_version" && test "$LIBTOOL" = libtool
7095                 then
7096                         CF_FORGET_TOOL(LIBTOOL)
7097                         AC_CHECK_TOOLS(LIBTOOL,[glibtool],none)
7098                         CF_LIBTOOL_VERSION
7099                 fi
7100         fi
7101         if test -z "$LIBTOOL" ; then
7102                 AC_MSG_ERROR(Cannot find libtool)
7103         fi
7104 ])dnl
7105         LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} ${LIBTOOL_VERSION} `cut -f1 ${top_srcdir}/VERSION` ${LIBTOOL_OPTS} ${LT_UNDEF} $(LIBS) -o'
7106         LIB_OBJECT='${OBJECTS:.o=.lo}'
7107         LIB_SUFFIX=.la
7108         LIB_CLEAN='${LIBTOOL} --mode=clean'
7109         LIB_COMPILE='${LIBTOOL} --mode=compile'
7110         LIB_LINK='${LIBTOOL} --mode=link ${CC} ${LIBTOOL_OPTS}'
7111         LIB_INSTALL='${LIBTOOL} --mode=install'
7112         LIB_UNINSTALL='${LIBTOOL} --mode=uninstall'
7113         LIB_PREP=:
7114
7115         CF_CHECK_LIBTOOL_VERSION
7116
7117         # special hack to add -no-undefined (which libtool should do for itself)
7118         LT_UNDEF=
7119         case "$cf_cv_system_name" in
7120         (cygwin*|msys*|mingw32*|uwin*|aix[[4-7]])
7121                 LT_UNDEF=-no-undefined
7122                 ;;
7123         esac
7124         AC_SUBST([LT_UNDEF])
7125
7126         # special hack to add --tag option for C++ compiler
7127         case $cf_cv_libtool_version in
7128         (1.[[5-9]]*|[[2-9]].[[0-9.a-z]]*)
7129                 LIBTOOL_CXX="$LIBTOOL --tag=CXX"
7130                 LIBTOOL="$LIBTOOL --tag=CC"
7131                 ;;
7132         (*)
7133                 LIBTOOL_CXX="$LIBTOOL"
7134                 ;;
7135         esac
7136 else
7137         LIBTOOL=""
7138         LIBTOOL_CXX=""
7139 fi
7140
7141 test -z "$LIBTOOL" && ECHO_LT=
7142
7143 AC_SUBST(LIBTOOL)
7144 AC_SUBST(LIBTOOL_CXX)
7145 AC_SUBST(LIBTOOL_OPTS)
7146
7147 AC_SUBST(LIB_CREATE)
7148 AC_SUBST(LIB_OBJECT)
7149 AC_SUBST(LIB_SUFFIX)
7150 AC_SUBST(LIB_PREP)
7151
7152 AC_SUBST(LIB_CLEAN)
7153 AC_SUBST(LIB_COMPILE)
7154 AC_SUBST(LIB_LINK)
7155 AC_SUBST(LIB_INSTALL)
7156 AC_SUBST(LIB_UNINSTALL)
7157
7158 ])dnl
7159 dnl ---------------------------------------------------------------------------
7160 dnl CF_WITH_LIBTOOL_OPTS version: 4 updated: 2015/04/17 21:13:04
7161 dnl --------------------
7162 dnl Allow user to pass additional libtool options into the library creation
7163 dnl and link steps.  The main use for this is to do something like
7164 dnl     ./configure --with-libtool-opts=-static
7165 dnl to get the same behavior as automake-flavored
7166 dnl     ./configure --enable-static
7167 AC_DEFUN([CF_WITH_LIBTOOL_OPTS],[
7168 AC_MSG_CHECKING(for additional libtool options)
7169 AC_ARG_WITH(libtool-opts,
7170         [  --with-libtool-opts=XXX specify additional libtool options],
7171         [with_libtool_opts=$withval],
7172         [with_libtool_opts=no])
7173 AC_MSG_RESULT($with_libtool_opts)
7174
7175 case .$with_libtool_opts in
7176 (.yes|.no|.)
7177         ;;
7178 (*)
7179         LIBTOOL_OPTS="$LIBTOOL_OPTS $with_libtool_opts"
7180         ;;
7181 esac
7182
7183 AC_SUBST(LIBTOOL_OPTS)
7184 ])dnl
7185 dnl ---------------------------------------------------------------------------
7186 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
7187 dnl ------------------
7188 dnl Allow the library-prefix to be overridden.  OS/2 EMX originally had no
7189 dnl "lib" prefix, e.g., because it used the dll naming convention.
7190 dnl
7191 dnl $1 = variable to set
7192 AC_DEFUN([CF_WITH_LIB_PREFIX],
7193 [
7194 AC_MSG_CHECKING(if you want to have a library-prefix)
7195 AC_ARG_WITH(lib-prefix,
7196         [  --with-lib-prefix       override library-prefix],
7197         [with_lib_prefix=$withval],
7198         [with_lib_prefix=auto])
7199 AC_MSG_RESULT($with_lib_prefix)
7200
7201 if test $with_lib_prefix = auto
7202 then
7203         CF_LIB_PREFIX($1)
7204 elif test $with_lib_prefix = no
7205 then
7206         LIB_PREFIX=
7207 else
7208         LIB_PREFIX=$with_lib_prefix
7209 fi
7210 ])dnl
7211 dnl ---------------------------------------------------------------------------
7212 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
7213 dnl ------------
7214 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
7215 dnl defaulting to yes/no.
7216 dnl
7217 dnl $1 = option name
7218 dnl $2 = help-text
7219 dnl $3 = environment variable to set
7220 dnl $4 = default value, shown in the help-message, must be a constant
7221 dnl $5 = default value, if it's an expression & cannot be in the help-message
7222 dnl
7223 AC_DEFUN([CF_WITH_PATH],
7224 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
7225 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
7226 if ifelse([$5],,true,[test -n "$5"]) ; then
7227 CF_PATH_SYNTAX(withval)
7228 fi
7229 eval $3="$withval"
7230 AC_SUBST($3)dnl
7231 ])dnl
7232 dnl ---------------------------------------------------------------------------
7233 dnl CF_WITH_PATHLIST version: 10 updated: 2015/04/17 21:13:04
7234 dnl ----------------
7235 dnl Process an option specifying a list of colon-separated paths.
7236 dnl
7237 dnl $1 = option name
7238 dnl $2 = help-text
7239 dnl $3 = environment variable to set
7240 dnl $4 = default value, shown in the help-message, must be a constant
7241 dnl $5 = default value, if it's an expression & cannot be in the help-message
7242 dnl $6 = flag to tell if we want to define or substitute
7243 dnl
7244 AC_DEFUN([CF_WITH_PATHLIST],[
7245 AC_REQUIRE([CF_PATHSEP])
7246 AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
7247 ifelse($4,,[withval=${$3}],[withval=${$3:-ifelse($5,,$4,$5)}]))dnl
7248
7249 IFS="${IFS:-    }"; ac_save_ifs="$IFS"; IFS="${PATH_SEPARATOR}"
7250 cf_dst_path=
7251 for cf_src_path in $withval
7252 do
7253   CF_PATH_SYNTAX(cf_src_path)
7254   test -n "$cf_dst_path" && cf_dst_path="${cf_dst_path}$PATH_SEPARATOR"
7255   cf_dst_path="${cf_dst_path}${cf_src_path}"
7256 done
7257 IFS="$ac_save_ifs"
7258
7259 ifelse($6,define,[
7260 # Strip single quotes from the value, e.g., when it was supplied as a literal
7261 # for $4 or $5.
7262 case $cf_dst_path in
7263 (\'*)
7264   cf_dst_path=`echo $cf_dst_path |sed -e s/\'// -e s/\'\$//`
7265   ;;
7266 esac
7267 cf_dst_path=`echo "$cf_dst_path" | sed -e 's/\\\\/\\\\\\\\/g'`
7268 ])
7269
7270 # This may use the prefix/exec_prefix symbols which will only yield "NONE"
7271 # so we have to check/work around.  We do prefer the result of "eval"...
7272 eval cf_dst_eval="$cf_dst_path"
7273 case "x$cf_dst_eval" in
7274 (xNONE*)
7275         $3=$cf_dst_path
7276         ;;
7277 (*)
7278         $3="$cf_dst_eval"
7279         ;;
7280 esac
7281 AC_SUBST($3)dnl
7282
7283 ])dnl
7284 dnl ---------------------------------------------------------------------------
7285 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
7286 dnl -------------------------
7287 dnl Allow the choice of the pkg-config library directory to be overridden.
7288 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
7289
7290 case $PKG_CONFIG in
7291 (no|none|yes)
7292         AC_MSG_CHECKING(for pkg-config library directory)
7293         ;;
7294 (*)
7295         AC_MSG_CHECKING(for $PKG_CONFIG library directory)
7296         ;;
7297 esac
7298
7299 PKG_CONFIG_LIBDIR=no
7300 AC_ARG_WITH(pkg-config-libdir,
7301         [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
7302         [PKG_CONFIG_LIBDIR=$withval],
7303         [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
7304
7305 case x$PKG_CONFIG_LIBDIR in
7306 (x/*)
7307         ;;
7308 (xyes)
7309         # Look for the library directory using the same prefix as the executable
7310         if test "x$PKG_CONFIG" = xnone
7311         then
7312                 cf_path=$prefix
7313         else
7314                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
7315         fi
7316
7317         # If you don't like using the default architecture, you have to specify the
7318         # intended library directory and corresponding compiler/linker options.
7319         #
7320         # This case allows for Debian's 2014-flavor of multiarch, along with the
7321         # most common variations before that point.  Some other variants spell the
7322         # directory differently, e.g., "pkg-config", and put it in unusual places.
7323         # pkg-config has always been poorly standardized, which is ironic...
7324         case x`(arch) 2>/dev/null` in
7325         (*64)
7326                 cf_search_path="\
7327                         $cf_path/lib/*64-linux-gnu \
7328                         $cf_path/share \
7329                         $cf_path/lib64 \
7330                         $cf_path/lib32 \
7331                         $cf_path/lib"
7332                 ;;
7333         (*)
7334                 cf_search_path="\
7335                         $cf_path/lib/*-linux-gnu \
7336                         $cf_path/share \
7337                         $cf_path/lib32 \
7338                         $cf_path/lib \
7339                         $cf_path/libdata"
7340                 ;;
7341         esac
7342
7343         CF_VERBOSE(list...)
7344         for cf_config in $cf_search_path
7345         do
7346                 CF_VERBOSE(checking $cf_config/pkgconfig)
7347                 if test -d $cf_config/pkgconfig
7348                 then
7349                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
7350                         AC_MSG_CHECKING(done)
7351                         break
7352                 fi
7353         done
7354         ;;
7355 (*)
7356         ;;
7357 esac
7358
7359 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
7360         AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
7361 fi
7362
7363 AC_SUBST(PKG_CONFIG_LIBDIR)
7364 ])dnl
7365 dnl ---------------------------------------------------------------------------
7366 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
7367 dnl ---------------
7368 dnl Check for POSIX thread library.
7369 AC_DEFUN([CF_WITH_PTHREAD],
7370 [
7371 AC_MSG_CHECKING(if you want to link with the pthread library)
7372 AC_ARG_WITH(pthread,
7373         [  --with-pthread          use POSIX thread library],
7374         [with_pthread=$withval],
7375         [with_pthread=no])
7376 AC_MSG_RESULT($with_pthread)
7377
7378 if test "$with_pthread" != no ; then
7379         AC_CHECK_HEADER(pthread.h,[
7380         AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
7381
7382         for cf_lib_pthread in pthread c_r
7383         do
7384             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
7385             cf_save_LIBS="$LIBS"
7386             CF_ADD_LIB($cf_lib_pthread)
7387             AC_TRY_LINK([
7388 #include <pthread.h>
7389 ],[
7390                 int rc = pthread_create(0,0,0,0);
7391                 int r2 = pthread_mutexattr_settype(0, 0);
7392 ],[with_pthread=yes],[with_pthread=no])
7393             LIBS="$cf_save_LIBS"
7394             AC_MSG_RESULT($with_pthread)
7395             test "$with_pthread" = yes && break
7396         done
7397
7398         if test "$with_pthread" = yes ; then
7399             CF_ADD_LIB($cf_lib_pthread)
7400             AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
7401         else
7402             AC_MSG_ERROR(Cannot link with pthread library)
7403         fi
7404         ])
7405 fi
7406 ])
7407 dnl ---------------------------------------------------------------------------
7408 dnl CF_WITH_REL_VERSION version: 1 updated: 2003/09/20 18:12:49
7409 dnl -------------------
7410 dnl Allow library's release-version to be overridden.  Generally this happens when a
7411 dnl packager has incremented the release-version past that used in the original package,
7412 dnl and wishes to keep doing this.
7413 dnl
7414 dnl $1 is the package name, if any, to derive corresponding {package}_MAJOR
7415 dnl and {package}_MINOR symbols
7416 dnl symbol.
7417 AC_DEFUN([CF_WITH_REL_VERSION],[
7418 test -z "$cf_cv_rel_version" && cf_cv_rel_version=0.0
7419 AC_ARG_WITH(rel-version,
7420 [  --with-rel-version=XXX  override derived release version],
7421 [AC_MSG_WARN(overriding release version $cf_cv_rel_version to $withval)
7422  cf_cv_rel_version=$withval])
7423 ifelse($1,,[
7424  CF_NUMBER_SYNTAX($cf_cv_rel_version,Release version)
7425 ],[
7426  $1_MAJOR=`echo "$cf_cv_rel_version" | sed -e 's/\..*//'`
7427  $1_MINOR=`echo "$cf_cv_rel_version" | sed -e 's/^[[^.]]*//' -e 's/^\.//' -e 's/\..*//'`
7428  CF_NUMBER_SYNTAX([$]$1_MAJOR,Release major-version)
7429  CF_NUMBER_SYNTAX([$]$1_MINOR,Release minor-version)
7430 ])
7431 ])dnl
7432 dnl ---------------------------------------------------------------------------
7433 dnl CF_WITH_SYSMOUSE version: 3 updated: 2012/10/06 17:56:13
7434 dnl ----------------
7435 dnl If we can compile with sysmouse, make it available unless it is not wanted.
7436 AC_DEFUN([CF_WITH_SYSMOUSE],[
7437 # not everyone has "test -c"
7438 if test -c /dev/sysmouse 2>/dev/null ; then
7439 AC_MSG_CHECKING(if you want to use sysmouse)
7440 AC_ARG_WITH(sysmouse,
7441         [  --with-sysmouse         use sysmouse (FreeBSD console)],
7442         [cf_with_sysmouse=$withval],
7443         [cf_with_sysmouse=maybe])
7444         if test "$cf_with_sysmouse" != no ; then
7445         AC_TRY_COMPILE([
7446 #include <osreldate.h>
7447 #if (__FreeBSD_version >= 400017)
7448 #include <sys/consio.h>
7449 #include <sys/fbio.h>
7450 #else
7451 #include <machine/console.h>
7452 #endif
7453 ],[
7454         struct mouse_info the_mouse;
7455         ioctl(0, CONS_MOUSECTL, &the_mouse);
7456 ],[cf_with_sysmouse=yes],[cf_with_sysmouse=no])
7457         fi
7458 AC_MSG_RESULT($cf_with_sysmouse)
7459 test "$cf_with_sysmouse" = yes && AC_DEFINE(USE_SYSMOUSE,1,[Define to 1 if we can/should use the sysmouse interface])
7460 fi
7461 ])dnl
7462 dnl ---------------------------------------------------------------------------
7463 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
7464 dnl ---------------
7465 dnl For testing, override the derived host system-type which is used to decide
7466 dnl things such as the linker commands used to build shared libraries.  This is
7467 dnl normally chosen automatically based on the type of system which you are
7468 dnl building on.  We use it for testing the configure script.
7469 dnl
7470 dnl This is different from the --host option: it is used only for testing parts
7471 dnl of the configure script which would not be reachable with --host since that
7472 dnl relies on the build environment being real, rather than mocked up.
7473 AC_DEFUN([CF_WITH_SYSTYPE],[
7474 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
7475 AC_ARG_WITH(system-type,
7476         [  --with-system-type=XXX  test: override derived host system-type],
7477 [AC_MSG_WARN(overriding system type to $withval)
7478         cf_cv_system_name=$withval
7479         host_os=$withval
7480 ])
7481 ])dnl
7482 dnl ---------------------------------------------------------------------------
7483 dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
7484 dnl ----------------
7485 AC_DEFUN([CF_WITH_VALGRIND],[
7486 CF_NO_LEAKS_OPTION(valgrind,
7487         [  --with-valgrind         test: use valgrind],
7488         [USE_VALGRIND])
7489 ])dnl
7490 dnl ---------------------------------------------------------------------------
7491 dnl CF_WITH_VERSIONED_SYMS version: 5 updated: 2015/04/17 21:13:04
7492 dnl ----------------------
7493 dnl Use this when building shared library with ELF, to markup symbols with the
7494 dnl version identifier from the given input file.  Generally that identifier is
7495 dnl the same as the SONAME at which the symbol was first introduced.
7496 dnl
7497 dnl $1 = basename of the ".map" file (default $PACKAGE)
7498 AC_DEFUN([CF_WITH_VERSIONED_SYMS],
7499 [
7500 AC_MSG_CHECKING(if versioned-symbols file should be used)
7501 AC_ARG_WITH(versioned-syms,
7502         [  --with-versioned-syms=X markup versioned symbols using ld],
7503         [with_versioned_syms=$withval],
7504         [with_versioned_syms=no])
7505 if test "x$with_versioned_syms" = xyes
7506 then
7507         with_versioned_syms='${top_srcdir}/package/ifelse($1,,${PACKAGE},[$1]).map'
7508         AC_SUBST(PACKAGE)
7509 fi
7510 AC_MSG_RESULT($with_versioned_syms)
7511
7512 RESULTING_SYMS=
7513 VERSIONED_SYMS=
7514 WILDCARD_SYMS=
7515
7516 if test "x$with_versioned_syms" != xno
7517 then
7518         RESULTING_SYMS=$with_versioned_syms
7519         case "x$MK_SHARED_LIB" in
7520         (*-Wl,*)
7521                 VERSIONED_SYMS="-Wl,--version-script,\${RESULTING_SYMS}"
7522                 MK_SHARED_LIB=`echo "$MK_SHARED_LIB" | sed -e "s%-Wl,%\\[$]{VERSIONED_SYMS} -Wl,%"`
7523                 CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
7524                 ;;
7525         (*-dy\ *)
7526                 VERSIONED_SYMS="-Wl,-M,\${RESULTING_SYMS}"
7527                 MK_SHARED_LIB=`echo "$MK_SHARED_LIB" | sed -e "s%-dy%\\[$]{VERSIONED_SYMS} -dy%"`
7528                 CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
7529                 ;;
7530         (*)
7531                 AC_MSG_WARN(this system does not support versioned-symbols)
7532                 ;;
7533         esac
7534
7535         # Linux ld can selectively override scope, e.g., of symbols beginning with
7536         # "_" by first declaring some as global, and then using a wildcard to
7537         # declare the others as local.  Some other loaders cannot do this.  Check
7538         # by constructing a (very) simple shared library and inspecting its
7539         # symbols.
7540         if test "x$VERSIONED_SYMS" != "x"
7541         then
7542                 AC_MSG_CHECKING(if wildcards can be used to selectively omit symbols)
7543                 WILDCARD_SYMS=no
7544
7545                 # make sources
7546                 rm -f conftest.*
7547
7548                 cat >conftest.ver <<EOF
7549 module_1.0 {
7550 global:
7551         globalf1;
7552 local:
7553         localf1;
7554 };
7555 module_2.0 {
7556 global:
7557         globalf2;
7558 local:
7559         localf2;
7560         _*;
7561 } module_1.0;
7562 submodule_1.0 {
7563 global:
7564         subglobalf1;
7565         _ismissing;
7566 local:
7567         sublocalf1;
7568 };
7569 submodule_2.0 {
7570 global:
7571         subglobalf2;
7572 local:
7573         sublocalf2;
7574         _*;
7575 } submodule_1.0;
7576 EOF
7577                 cat >conftest.$ac_ext <<EOF
7578 #line __oline__ "configure"
7579 int     _ismissing(void) { return 1; }
7580 int     _localf1(void) { return 1; }
7581 int     _localf2(void) { return 2; }
7582 int     globalf1(void) { return 1; }
7583 int     globalf2(void) { return 2; }
7584 int     _sublocalf1(void) { return 1; }
7585 int     _sublocalf2(void) { return 2; }
7586 int     subglobalf1(void) { return 1; }
7587 int     subglobalf2(void) { return 2; }
7588 EOF
7589                 cat >conftest.mk <<EOF
7590 CC=${CC}
7591 CFLAGS=${CFLAGS}
7592 CPPFLAGS=${CPPFLAGS}
7593 LDFLAGS=${LDFLAGS}
7594 LIBS=${LIBS}
7595 VERSIONED_SYMS=${VERSIONED_SYMS}
7596 RESULTING_SYMS=conftest.ver
7597 MK_SHARED_LIB=${MK_SHARED_LIB}
7598 conftest.so: conftest.$ac_cv_objext
7599                 \$(MK_SHARED_LIB) conftest.$ac_cv_objext
7600 EOF
7601
7602                 # compile source, make library
7603                 if make -f conftest.mk 2>&AC_FD_CC >/dev/null
7604                 then
7605                         # test for missing symbol
7606                         cf_missing=`nm -P conftest.so 2>&AC_FD_CC |fgrep _ismissing | egrep '[[         ]]T[[   ]]'`
7607                         test -n "$cf_missing" && WILDCARD_SYMS=yes
7608                 fi
7609                 AC_MSG_RESULT($WILDCARD_SYMS)
7610                 rm -f conftest.*
7611         fi
7612 fi
7613 AC_SUBST(RESULTING_SYMS)
7614 AC_SUBST(VERSIONED_SYMS)
7615 AC_SUBST(WILDCARD_SYMS)
7616 ])dnl
7617 dnl ---------------------------------------------------------------------------
7618 dnl CF_XOPEN_SOURCE version: 49 updated: 2015/04/12 15:39:00
7619 dnl ---------------
7620 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
7621 dnl or adapt to the vendor's definitions to get equivalent functionality,
7622 dnl without losing the common non-POSIX features.
7623 dnl
7624 dnl Parameters:
7625 dnl     $1 is the nominal value for _XOPEN_SOURCE
7626 dnl     $2 is the nominal value for _POSIX_C_SOURCE
7627 AC_DEFUN([CF_XOPEN_SOURCE],[
7628 AC_REQUIRE([AC_CANONICAL_HOST])
7629
7630 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
7631 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
7632 cf_xopen_source=
7633
7634 case $host_os in
7635 (aix[[4-7]]*)
7636         cf_xopen_source="-D_ALL_SOURCE"
7637         ;;
7638 (cygwin|msys)
7639         cf_XOPEN_SOURCE=600
7640         ;;
7641 (darwin[[0-8]].*)
7642         cf_xopen_source="-D_APPLE_C_SOURCE"
7643         ;;
7644 (darwin*)
7645         cf_xopen_source="-D_DARWIN_C_SOURCE"
7646         cf_XOPEN_SOURCE=
7647         ;;
7648 (freebsd*|dragonfly*)
7649         # 5.x headers associate
7650         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
7651         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
7652         cf_POSIX_C_SOURCE=200112L
7653         cf_XOPEN_SOURCE=600
7654         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
7655         ;;
7656 (hpux11*)
7657         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
7658         ;;
7659 (hpux*)
7660         cf_xopen_source="-D_HPUX_SOURCE"
7661         ;;
7662 (irix[[56]].*)
7663         cf_xopen_source="-D_SGI_SOURCE"
7664         cf_XOPEN_SOURCE=
7665         ;;
7666 (linux*|gnu*|mint*|k*bsd*-gnu)
7667         CF_GNU_SOURCE
7668         ;;
7669 (minix*)
7670         cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
7671         ;;
7672 (mirbsd*)
7673         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
7674         cf_XOPEN_SOURCE=
7675         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
7676         ;;
7677 (netbsd*)
7678         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
7679         ;;
7680 (openbsd[[4-9]]*)
7681         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
7682         cf_xopen_source="-D_BSD_SOURCE"
7683         cf_XOPEN_SOURCE=600
7684         ;;
7685 (openbsd*)
7686         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
7687         ;;
7688 (osf[[45]]*)
7689         cf_xopen_source="-D_OSF_SOURCE"
7690         ;;
7691 (nto-qnx*)
7692         cf_xopen_source="-D_QNX_SOURCE"
7693         ;;
7694 (sco*)
7695         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
7696         ;;
7697 (solaris2.*)
7698         cf_xopen_source="-D__EXTENSIONS__"
7699         cf_cv_xopen_source=broken
7700         ;;
7701 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
7702         cf_XOPEN_SOURCE=
7703         cf_POSIX_C_SOURCE=
7704         ;;
7705 (*)
7706         CF_TRY_XOPEN_SOURCE
7707         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
7708         ;;
7709 esac
7710
7711 if test -n "$cf_xopen_source" ; then
7712         CF_ADD_CFLAGS($cf_xopen_source,true)
7713 fi
7714
7715 dnl In anything but the default case, we may have system-specific setting
7716 dnl which is still not guaranteed to provide all of the entrypoints that
7717 dnl _XOPEN_SOURCE would yield.
7718 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
7719         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
7720         AC_TRY_COMPILE([#include <stdlib.h>],[
7721 #ifndef _XOPEN_SOURCE
7722 make an error
7723 #endif],
7724         [cf_XOPEN_SOURCE_set=yes],
7725         [cf_XOPEN_SOURCE_set=no])
7726         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
7727         if test $cf_XOPEN_SOURCE_set = yes
7728         then
7729                 AC_TRY_COMPILE([#include <stdlib.h>],[
7730 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
7731 make an error
7732 #endif],
7733                 [cf_XOPEN_SOURCE_set_ok=yes],
7734                 [cf_XOPEN_SOURCE_set_ok=no])
7735                 if test $cf_XOPEN_SOURCE_set_ok = no
7736                 then
7737                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
7738                 fi
7739         else
7740                 CF_TRY_XOPEN_SOURCE
7741         fi
7742 fi
7743 ])