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 1.758 2015/06/06 23:27:44 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: 81 updated: 2015/04/30 20:30:18
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                 fi
3289
3290                 if test "x$WILDCARD_SYMS" = xno
3291                 then
3292                         cf_sed_options="$cf_sed_options -e \"s/_\*;//g\""
3293                 fi
3294
3295                 if test "x$cf_sed_options" != "x"
3296                 then
3297                         cat >>$cf_dir/Makefile <<CF_EOF
3298
3299 # Generated by CF_LIB_RULES
3300 resulting.map: $UNALTERED_SYMS
3301         sed $cf_sed_options < $UNALTERED_SYMS >\[$]@
3302
3303 clean::
3304         rm -f resulting.map
3305 CF_EOF
3306                 fi
3307
3308                 for cf_item in $cf_LIST_MODELS
3309                 do
3310                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3311                         cf_libname=$cf_dir
3312                         test "$cf_dir" = c++ && cf_libname=ncurses++
3313                         if test $cf_item = shared ; then
3314                                 if test -n "${LIB_SUFFIX}"
3315                                 then
3316                                         cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${USE_LIB_SUFFIX}"'//'`
3317                                 else
3318                                         cf_shared_suffix="$cf_suffix"
3319                                 fi
3320                                 if test "$cf_cv_do_symlinks" = yes ; then
3321                                         cf_version_name=
3322
3323                                         case "$cf_cv_shlib_version" in
3324                                         (rel)
3325                                                 cf_version_name=REL_VERSION
3326                                                 ;;
3327                                         (abi)
3328                                                 cf_version_name=ABI_VERSION
3329                                                 ;;
3330                                         esac
3331
3332                                         if test -n "$cf_version_name"
3333                                         then
3334                                                 case "$cf_cv_system_name" in
3335                                                 (darwin*)
3336                                                         # "w", etc?
3337                                                         cf_suffix="${USE_LIB_SUFFIX}"'.${'$cf_version_name'}'"$cf_shared_suffix"
3338                                                         ;;
3339                                                 (*)
3340                                                         cf_suffix="$cf_suffix"'.${'$cf_version_name'}'
3341                                                         ;;
3342                                                 esac
3343                                         fi
3344                                         if test -n "${USE_LIB_SUFFIX}"
3345                                         then
3346                                                 cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${USE_LIB_SUFFIX}"'//'`
3347                                         else
3348                                                 cf_shared_suffix="$cf_suffix"
3349                                         fi
3350                                 fi
3351                                 # cygwin needs import library, and has unique naming convention
3352                                 # use autodetected ${cf_prefix} for import lib and static lib, but
3353                                 # use 'cyg' prefix for shared lib.
3354                                 case $cf_cv_shlib_version in
3355                                 (cygdll)
3356                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3357                                         cf_add_lib="../lib/cyg${cf_libname}${cf_cygsuf}"
3358                                         ;;
3359                                 (msysdll)
3360                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3361                                         cf_add_lib="../lib/msys-${cf_libname}${cf_cygsuf}"
3362                                         ;;
3363                                 (mingw)
3364                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3365                                         cf_add_lib="../lib/lib${cf_libname}${cf_cygsuf}"
3366                                         ;;
3367                                 (*)
3368                                         cf_add_lib=
3369                                         ;;
3370                                 esac
3371                                 if test -n "$cf_add_lib"
3372                                 then
3373                                         Libs_To_Make="$Libs_To_Make $cf_add_lib"
3374                                         continue
3375                                 fi
3376                         fi
3377                         cf_add_lib="../lib/${cf_prefix}${cf_libname}${cf_suffix}"
3378                         Libs_To_Make="$Libs_To_Make $cf_add_lib"
3379                 done
3380
3381                 if test $cf_dir = ncurses ; then
3382                         cf_subsets="$LIB_SUBSETS"
3383                         cf_r_parts="$cf_subsets"
3384                         cf_liblist="$Libs_To_Make"
3385
3386                         while test -n "$cf_r_parts"
3387                         do
3388                                 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
3389                                 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
3390                                 if test "$cf_l_parts" != "$cf_r_parts" ; then
3391                                         cf_add_lib=
3392                                         case $cf_l_parts in
3393                                         (*termlib*)
3394                                                 cf_add_lib=`echo $cf_liblist |sed -e s%${LIB_NAME}${USE_LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
3395                                                 ;;
3396                                         (*ticlib*)
3397                                                 cf_add_lib=`echo $cf_liblist |sed -e s%${LIB_NAME}${USE_LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
3398                                                 ;;
3399                                         (*)
3400                                                 break
3401                                                 ;;
3402                                         esac
3403                                         if test -n "$cf_add_lib"; then
3404                                                 Libs_To_Make="$cf_add_lib $Libs_To_Make"
3405                                         fi
3406                                 else
3407                                         break
3408                                 fi
3409                         done
3410                 else
3411                         cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
3412                 fi
3413
3414                 if test $cf_dir = c++; then
3415                         if test "x$with_shared_cxx" != xyes && test -n "$cf_shared_suffix"; then
3416                                 cf_list=
3417                                 for cf_item in $Libs_To_Make
3418                                 do
3419                                         case $cf_item in
3420                                         (*.a)
3421                                                 ;;
3422                                         (*)
3423                                                 cf_item=`echo "$cf_item" | sed -e "s,"$cf_shared_suffix",.a,"`
3424                                                 ;;
3425                                         esac
3426                                         for cf_test in $cf_list
3427                                         do
3428                                                 if test "$cf_test" = "$cf_item"
3429                                                 then
3430                                                         cf_LIST_MODELS=`echo "$cf_LIST_MODELS" | sed -e 's/normal//'`
3431                                                         cf_item=
3432                                                         break
3433                                                 fi
3434                                         done
3435                                         test -n "$cf_item" && cf_list="$cf_list $cf_item"
3436                                 done
3437                                 Libs_To_Make="$cf_list"
3438                         fi
3439                 fi
3440
3441                 sed -e "s%@Libs_To_Make@%$Libs_To_Make%" \
3442                     -e "s%@SHARED_LIB@%$SHARED_LIB%" \
3443                         $cf_dir/Makefile >$cf_dir/Makefile.out
3444                 mv $cf_dir/Makefile.out $cf_dir/Makefile
3445
3446                 $AWK -f $srcdir/mk-0th.awk \
3447                         libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" ticlib="$TICS_LIB_SUFFIX" termlib="$TINFO_LIB_SUFFIX" \
3448                         $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3449
3450                 for cf_subset in $cf_subsets
3451                 do
3452                         cf_subdirs=
3453                         for cf_item in $cf_LIST_MODELS
3454                         do
3455
3456                         echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
3457                         CF_UPPER(cf_ITEM,$cf_item)
3458
3459                         CXX_MODEL=$cf_ITEM
3460                         if test "$CXX_MODEL" = SHARED; then
3461                                 case $cf_cv_shlib_version in
3462                                 (cygdll|msysdll|mingw)
3463                                         test "x$with_shared_cxx" = xno && CF_VERBOSE(overriding CXX_MODEL to SHARED)
3464                                         with_shared_cxx=yes
3465                                         ;;
3466                                 (*)
3467                                         test "x$with_shared_cxx" = xno && CXX_MODEL=NORMAL
3468                                         ;;
3469                                 esac
3470                         fi
3471
3472                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3473                         CF_OBJ_SUBDIR($cf_item,cf_subdir)
3474
3475                         # Test for case where we build libtinfo with a different name.
3476                         cf_libname=$cf_dir
3477                         if test $cf_dir = ncurses ; then
3478                                 case $cf_subset in
3479                                 (*base*)
3480                                         cf_libname=${cf_libname}$USE_LIB_SUFFIX
3481                                         ;;
3482                                 (*termlib*)
3483                                         cf_libname=$TINFO_LIB_SUFFIX
3484                                         ;;
3485                                 (ticlib*)
3486                                         cf_libname=$TICS_LIB_SUFFIX
3487                                         ;;
3488                                 esac
3489                         elif test $cf_dir = c++ ; then
3490                                 cf_libname=ncurses++$USE_LIB_SUFFIX
3491                         else
3492                                 cf_libname=${cf_libname}$USE_LIB_SUFFIX
3493                         fi
3494                         if test -n "${USE_ARG_SUFFIX}" ; then
3495                                 # undo $USE_LIB_SUFFIX add-on in CF_LIB_SUFFIX
3496                                 cf_suffix=`echo $cf_suffix |sed -e "s%^${USE_LIB_SUFFIX}%%"`
3497                         fi
3498
3499                         # These dependencies really are for development, not
3500                         # builds, but they are useful in porting, too.
3501                         cf_depend="../include/ncurses_cfg.h"
3502                         if test "$srcdir" = "."; then
3503                                 cf_reldir="."
3504                         else
3505                                 cf_reldir="\${srcdir}"
3506                         fi
3507
3508                         if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
3509                                 cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
3510                         elif test -f $srcdir/$cf_dir/curses.priv.h; then
3511                                 cf_depend="$cf_depend $cf_reldir/curses.priv.h"
3512                         fi
3513
3514                         cf_dir_suffix=
3515                         old_cf_suffix="$cf_suffix"
3516                         if test "$cf_cv_shlib_version_infix" = yes ; then
3517                         if test -n "$USE_LIB_SUFFIX" ; then
3518                                 case $USE_LIB_SUFFIX in
3519                                 (tw*)
3520                                         cf_libname=`echo $cf_libname | sed 's/tw'$EXTRA_SUFFIX'$//'`
3521                                         cf_suffix=`echo $cf_suffix | sed 's/^tw'$EXTRA_SUFFIX'//'`
3522                                         cf_dir_suffix=tw$EXTRA_SUFFIX
3523                                         ;;
3524                                 (t*)
3525                                         cf_libname=`echo $cf_libname | sed 's/t'$EXTRA_SUFFIX'$//'`
3526                                         cf_suffix=`echo $cf_suffix | sed 's/^t'$EXTRA_SUFFIX'//'`
3527                                         cf_dir_suffix=t$EXTRA_SUFFIX
3528                                         ;;
3529                                 (w*)
3530                                         cf_libname=`echo $cf_libname | sed 's/w'$EXTRA_SUFFIX'$//'`
3531                                         cf_suffix=`echo $cf_suffix | sed 's/^w'$EXTRA_SUFFIX'//'`
3532                                         cf_dir_suffix=w$EXTRA_SUFFIX
3533                                         ;;
3534                                 (*)
3535                                         cf_libname=`echo $cf_libname | sed 's/'$EXTRA_SUFFIX'$//'`
3536                                         cf_suffix=`echo $cf_suffix | sed 's/^'$EXTRA_SUFFIX'//'`
3537                                         cf_dir_suffix=$EXTRA_SUFFIX
3538                                         ;;
3539                                 esac
3540                         fi
3541                         fi
3542
3543                         $AWK -f $srcdir/mk-1st.awk \
3544                                 name=${cf_libname}${cf_dir_suffix} \
3545                                 traces=$LIB_TRACING \
3546                                 MODEL=$cf_ITEM \
3547                                 CXX_MODEL=$CXX_MODEL \
3548                                 model=$cf_subdir \
3549                                 prefix=$cf_prefix \
3550                                 suffix=$cf_suffix \
3551                                 subset=$cf_subset \
3552                                 driver=$cf_cv_term_driver \
3553                                 SymLink="$LN_S" \
3554                                 TermlibRoot=$TINFO_NAME \
3555                                 TermlibSuffix=$TINFO_SUFFIX \
3556                                 ShlibVer=$cf_cv_shlib_version \
3557                                 ShlibVerInfix=$cf_cv_shlib_version_infix \
3558                                 ReLink=${cf_cv_do_relink:-no} \
3559                                 DoLinks=$cf_cv_do_symlinks \
3560                                 rmSoLocs=$cf_cv_rm_so_locs \
3561                                 ldconfig="$LDCONFIG" \
3562                                 overwrite=$WITH_OVERWRITE \
3563                                 depend="$cf_depend" \
3564                                 host="$host" \
3565                                 libtool_version="$LIBTOOL_VERSION" \
3566                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3567
3568                         cf_suffix="$old_cf_suffix"
3569
3570                         for cf_subdir2 in $cf_subdirs lib
3571                         do
3572                                 test $cf_subdir = $cf_subdir2 && break
3573                         done
3574                         test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
3575                         $AWK -f $srcdir/mk-2nd.awk \
3576                                 name=$cf_dir \
3577                                 traces=$LIB_TRACING \
3578                                 MODEL=$cf_ITEM \
3579                                 model=$cf_subdir \
3580                                 subset=$cf_subset \
3581                                 srcdir=$srcdir \
3582                                 echo=$WITH_ECHO \
3583                                 crenames=$cf_cv_prog_CC_c_o \
3584                                 cxxrenames=$cf_cv_prog_CXX_c_o \
3585                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3586                         cf_subdirs="$cf_subdirs $cf_subdir"
3587                         done
3588                 done
3589         fi
3590
3591         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >>Makefile
3592 done
3593
3594 for cf_dir in $SRC_SUBDIRS
3595 do
3596         if test ! -d $srcdir/$cf_dir ; then
3597                 continue
3598         fi
3599
3600         if test -f $cf_dir/Makefile ; then
3601                 case "$cf_dir" in
3602                 (Ada95)
3603                         echo 'libs \' >> Makefile
3604                         echo 'install.libs \' >> Makefile
3605                         echo 'uninstall.libs ::' >> Makefile
3606                         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >> Makefile
3607                         ;;
3608                 esac
3609         fi
3610
3611         if test -f $srcdir/$cf_dir/modules; then
3612                 echo >> Makefile
3613                 if test -f $srcdir/$cf_dir/headers; then
3614 cat >> Makefile <<CF_EOF
3615 install.includes \\
3616 uninstall.includes \\
3617 CF_EOF
3618                 fi
3619 if test "$cf_dir" != "c++" ; then
3620 echo 'lint \' >> Makefile
3621 fi
3622 cat >> Makefile <<CF_EOF
3623 libs \\
3624 lintlib \\
3625 install.libs \\
3626 uninstall.libs \\
3627 install.$cf_dir \\
3628 uninstall.$cf_dir ::
3629         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3630 CF_EOF
3631         elif test -f $srcdir/$cf_dir/headers; then
3632 cat >> Makefile <<CF_EOF
3633
3634 libs \\
3635 install.libs \\
3636 uninstall.libs \\
3637 install.includes \\
3638 uninstall.includes ::
3639         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3640 CF_EOF
3641 fi
3642 done
3643
3644 if test "x$cf_with_db_install" = xyes; then
3645 cat >> Makefile <<CF_EOF
3646
3647 install.libs uninstall.libs \\
3648 install.data uninstall.data ::
3649 $MAKE_TERMINFO  cd misc && \${MAKE} \${TOP_MFLAGS} \[$]@
3650 CF_EOF
3651 else
3652 cat >> Makefile <<CF_EOF
3653
3654 install.libs uninstall.libs ::
3655         cd misc && \${MAKE} \${TOP_MFLAGS} \[$]@
3656 CF_EOF
3657 fi
3658
3659 if test "x$cf_with_manpages" = xyes; then
3660 cat >> Makefile <<CF_EOF
3661
3662 install.man \\
3663 uninstall.man ::
3664         cd man && \${MAKE} \${TOP_MFLAGS} \[$]@
3665 CF_EOF
3666 fi
3667
3668 cat >> Makefile <<CF_EOF
3669
3670 distclean ::
3671         rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
3672         rm -f headers.sh headers.sed mk_shared_lib.sh
3673         rm -f edit_man.* man_alias.*
3674         rm -rf \${DIRS_TO_MAKE}
3675 CF_EOF
3676
3677 # Special case: tack's manpage lives in its own directory.
3678 if test "x$cf_with_manpages" = xyes; then
3679 if test -d tack ; then
3680 if test -f $srcdir/$tack.h; then
3681 cat >> Makefile <<CF_EOF
3682
3683 install.man \\
3684 uninstall.man ::
3685         cd tack && \${MAKE} \${TOP_MFLAGS} \[$]@
3686 CF_EOF
3687 fi
3688 fi
3689 fi
3690
3691 dnl If we're installing into a subdirectory of /usr/include, etc., we should
3692 dnl prepend the subdirectory's name to the "#include" paths.  It won't hurt
3693 dnl anything, and will make it more standardized.  It's awkward to decide this
3694 dnl at configuration because of quoting, so we'll simply make all headers
3695 dnl installed via a script that can do the right thing.
3696
3697 rm -f headers.sed headers.sh
3698
3699 dnl ( generating this script makes the makefiles a little tidier :-)
3700 echo creating headers.sh
3701 cat >headers.sh <<CF_EOF
3702 #! /bin/sh
3703 # This shell script is generated by the 'configure' script.  It is invoked in a
3704 # subdirectory of the build tree.  It generates a sed-script in the parent
3705 # directory that is used to adjust includes for header files that reside in a
3706 # subdirectory of /usr/include, etc.
3707 PRG=""
3708 while test \[$]# != 3
3709 do
3710 PRG="\$PRG \[$]1"; shift
3711 done
3712 DST=\[$]1
3713 REF=\[$]2
3714 SRC=\[$]3
3715 TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
3716 TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
3717 echo installing \$SRC in \$DST
3718 CF_EOF
3719
3720 if test $WITH_CURSES_H = yes; then
3721         cat >>headers.sh <<CF_EOF
3722 case \$DST in
3723 (/*/include/*)
3724         END=\`basename \$DST\`
3725         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3726         do
3727                 NAME=\`basename \$i\`
3728                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3729         done
3730         ;;
3731 (*)
3732         echo "" >> \$TMPSED
3733         ;;
3734 esac
3735 CF_EOF
3736
3737 else
3738         cat >>headers.sh <<CF_EOF
3739 case \$DST in
3740 (/*/include/*)
3741         END=\`basename \$DST\`
3742         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3743         do
3744                 NAME=\`basename \$i\`
3745                 if test "\$NAME" = "curses.h"
3746                 then
3747                         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3748                         NAME=ncurses.h
3749                 fi
3750                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3751         done
3752         ;;
3753 (*)
3754         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3755         ;;
3756 esac
3757 CF_EOF
3758 fi
3759 cat >>headers.sh <<CF_EOF
3760 rm -f \$TMPSRC
3761 sed -f \$TMPSED \$SRC > \$TMPSRC
3762 NAME=\`basename \$SRC\`
3763 CF_EOF
3764 if test $WITH_CURSES_H != yes; then
3765         cat >>headers.sh <<CF_EOF
3766 test "\$NAME" = "curses.h" && NAME=ncurses.h
3767 CF_EOF
3768 fi
3769 cat >>headers.sh <<CF_EOF
3770 # Just in case someone gzip'd manpages, remove the conflicting copy.
3771 test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
3772
3773 eval \$PRG \$TMPSRC \$DST/\$NAME
3774 rm -f \$TMPSRC \$TMPSED
3775 CF_EOF
3776
3777 chmod 0755 headers.sh
3778
3779 for cf_dir in $SRC_SUBDIRS
3780 do
3781         if test ! -d $srcdir/$cf_dir ; then
3782                 continue
3783         fi
3784
3785         if test -f $srcdir/$cf_dir/headers; then
3786                 $AWK -f $srcdir/mk-hdr.awk \
3787                         subset="$LIB_SUBSETS" \
3788                         compat="$WITH_CURSES_H" \
3789                         $srcdir/$cf_dir/headers >>$cf_dir/Makefile
3790         fi
3791
3792         if test -f $srcdir/$cf_dir/modules; then
3793                 if test "$cf_dir" != "c++" ; then
3794                         cat >>$cf_dir/Makefile <<"CF_EOF"
3795 depend : ${AUTO_SRC}
3796         makedepend -- ${CPPFLAGS} -- ${C_SRC}
3797
3798 # DO NOT DELETE THIS LINE -- make depend depends on it.
3799 CF_EOF
3800                 fi
3801         fi
3802 done
3803 AC_SUBST(Libs_To_Make)
3804 ])dnl
3805 dnl ---------------------------------------------------------------------------
3806 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
3807 dnl -------------
3808 dnl Find the and soname for the given shared library.  Set the cache variable
3809 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
3810 dnl variable to "unknown".
3811 dnl
3812 dnl $1 = headers
3813 dnl $2 = code
3814 dnl $3 = library name
3815 AC_DEFUN([CF_LIB_SONAME],
3816 [
3817 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
3818
3819 cf_cv_$3_soname=unknown
3820 if test "$cross_compiling" != yes ; then
3821 cat >conftest.$ac_ext <<CF_EOF
3822 $1
3823 int main()
3824 {
3825 $2
3826         ${cf_cv_main_return:-return}(0);
3827 }
3828 CF_EOF
3829 cf_save_LIBS="$LIBS"
3830         CF_ADD_LIB($3)
3831         if AC_TRY_EVAL(ac_compile) ; then
3832                 if AC_TRY_EVAL(ac_link) ; then
3833                         cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
3834                         test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
3835                 fi
3836         fi
3837 rm -rf conftest*
3838 LIBS="$cf_save_LIBS"
3839 fi
3840 ])
3841 ])
3842 dnl ---------------------------------------------------------------------------
3843 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
3844 dnl -------------
3845 dnl Compute the library file-suffix from the given model name
3846 dnl $1 = model name
3847 dnl $2 = variable to set (the nominal library suffix)
3848 dnl $3 = dependency variable to set (actual filename)
3849 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3850 AC_DEFUN([CF_LIB_SUFFIX],
3851 [
3852         case X$1 in
3853         (Xlibtool)
3854                 $2='.la'
3855                 $3=[$]$2
3856                 ;;
3857         (Xdebug)
3858                 $2='_g.a'
3859                 $3=[$]$2
3860                 ;;
3861         (Xprofile)
3862                 $2='_p.a'
3863                 $3=[$]$2
3864                 ;;
3865         (Xshared)
3866                 case $cf_cv_system_name in
3867                 (aix[[5-7]]*)
3868                         $2='.so'
3869                         $3=[$]$2
3870                         ;;
3871                 (cygwin*|msys*|mingw*)
3872                         $2='.dll'
3873                         $3='.dll.a'
3874                         ;;
3875                 (darwin*)
3876                         $2='.dylib'
3877                         $3=[$]$2
3878                         ;;
3879                 (hpux*)
3880                         case $target in
3881                         (ia64*)
3882                                 $2='.so'
3883                                 $3=[$]$2
3884                                 ;;
3885                         (*)
3886                                 $2='.sl'
3887                                 $3=[$]$2
3888                                 ;;
3889                         esac
3890                         ;;
3891                 (*)
3892                         $2='.so'
3893                         $3=[$]$2
3894                         ;;
3895                 esac
3896                 ;;
3897         (*)
3898                 $2='.a'
3899                 $3=[$]$2
3900                 ;;
3901         esac
3902         if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
3903         then
3904                 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
3905                 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
3906         fi
3907 ])dnl
3908 dnl ---------------------------------------------------------------------------
3909 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
3910 dnl -----------
3911 dnl Compute the string to append to -library from the given model name
3912 dnl $1 = model name
3913 dnl $2 = variable to set
3914 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3915 AC_DEFUN([CF_LIB_TYPE],
3916 [
3917         case $1 in
3918         (libtool) $2=''   ;;
3919         (normal)  $2=''   ;;
3920         (debug)   $2='_g' ;;
3921         (profile) $2='_p' ;;
3922         (shared)  $2=''   ;;
3923         esac
3924         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3925 ])dnl
3926 dnl ---------------------------------------------------------------------------
3927 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
3928 dnl ----------------
3929 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
3930 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
3931 dnl have to provide wrappers for global tables to ensure they're linked
3932 dnl properly.
3933 AC_DEFUN([CF_LINK_DATAONLY],
3934 [
3935 AC_MSG_CHECKING([if data-only library module links])
3936 AC_CACHE_VAL(cf_cv_link_dataonly,[
3937         rm -f conftest.a
3938         cat >conftest.$ac_ext <<EOF
3939 #line __oline__ "configure"
3940 int     testdata[[3]] = { 123, 456, 789 };
3941 EOF
3942         if AC_TRY_EVAL(ac_compile) ; then
3943                 mv conftest.o data.o && \
3944                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
3945         fi
3946         rm -f conftest.$ac_ext data.o
3947         cat >conftest.$ac_ext <<EOF
3948 #line __oline__ "configure"
3949 int     testfunc()
3950 {
3951 #if defined(NeXT)
3952         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
3953 #else
3954         extern int testdata[[3]];
3955         return testdata[[0]] == 123
3956            &&  testdata[[1]] == 456
3957            &&  testdata[[2]] == 789;
3958 #endif
3959 }
3960 EOF
3961         if AC_TRY_EVAL(ac_compile); then
3962                 mv conftest.o func.o && \
3963                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
3964         fi
3965         rm -f conftest.$ac_ext func.o
3966         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
3967         cf_saveLIBS="$LIBS"
3968         LIBS="conftest.a $LIBS"
3969         AC_TRY_RUN([
3970         int main()
3971         {
3972                 extern int testfunc();
3973                 ${cf_cv_main_return:-return} (!testfunc());
3974         }
3975         ],
3976         [cf_cv_link_dataonly=yes],
3977         [cf_cv_link_dataonly=no],
3978         [cf_cv_link_dataonly=unknown])
3979         LIBS="$cf_saveLIBS"
3980         ])
3981 AC_MSG_RESULT($cf_cv_link_dataonly)
3982
3983 if test "$cf_cv_link_dataonly" = no ; then
3984         AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
3985         BROKEN_LINKER=1
3986 fi
3987
3988 ])dnl
3989 dnl ---------------------------------------------------------------------------
3990 dnl CF_LINK_FUNCS version: 8 updated: 2012/10/06 17:56:13
3991 dnl -------------
3992 dnl Most Unix systems have both link and symlink, a few don't have symlink.
3993 dnl A few non-Unix systems implement symlink, but not link.
3994 dnl A few non-systems implement neither (or have nonfunctional versions).
3995 AC_DEFUN([CF_LINK_FUNCS],
3996 [
3997 AC_CHECK_FUNCS( \
3998         remove \
3999         unlink )
4000
4001 if test "$cross_compiling" = yes ; then
4002         AC_CHECK_FUNCS( \
4003                 link \
4004                 symlink )
4005 else
4006         AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[
4007                 cf_cv_link_funcs=
4008                 for cf_func in link symlink ; do
4009                         AC_TRY_RUN([
4010 #include <sys/types.h>
4011 #include <sys/stat.h>
4012 #ifdef HAVE_UNISTD_H
4013 #include <unistd.h>
4014 #endif
4015 int main()
4016 {
4017         int fail = 0;
4018         char *src = "config.log";
4019         char *dst = "conftest.chk";
4020         struct stat src_sb;
4021         struct stat dst_sb;
4022
4023         stat(src, &src_sb);
4024         fail = ($cf_func("config.log", "conftest.chk") < 0)
4025             || (stat(dst, &dst_sb) < 0)
4026             || (dst_sb.st_mtime != src_sb.st_mtime);
4027 #ifdef HAVE_UNLINK
4028         unlink(dst);
4029 #else
4030         remove(dst);
4031 #endif
4032         ${cf_cv_main_return:-return} (fail);
4033 }
4034                         ],[
4035                         cf_cv_link_funcs="$cf_cv_link_funcs $cf_func"
4036                         eval 'ac_cv_func_'$cf_func'=yes'],[
4037                         eval 'ac_cv_func_'$cf_func'=no'],[
4038                         eval 'ac_cv_func_'$cf_func'=error'])
4039                 done
4040                 test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no
4041         ])
4042         test "$ac_cv_func_link"    = yes && AC_DEFINE(HAVE_LINK,1,[Define to 1 if we have link() function])
4043         test "$ac_cv_func_symlink" = yes && AC_DEFINE(HAVE_SYMLINK,1,[Define to 1 if we have symlink() function])
4044 fi
4045 ])dnl
4046 dnl ---------------------------------------------------------------------------
4047 dnl CF_MAKEFLAGS version: 16 updated: 2015/04/15 19:08:48
4048 dnl ------------
4049 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
4050 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
4051 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
4052 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
4053 AC_DEFUN([CF_MAKEFLAGS],
4054 [
4055 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
4056         cf_cv_makeflags=''
4057         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
4058         do
4059                 cat >cf_makeflags.tmp <<CF_EOF
4060 SHELL = /bin/sh
4061 all :
4062         @ echo '.$cf_option'
4063 CF_EOF
4064                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
4065                 case "$cf_result" in
4066                 (.*k|.*kw)
4067                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
4068                         case "$cf_result" in
4069                         (.*CC=*)        cf_cv_makeflags=
4070                                 ;;
4071                         (*)     cf_cv_makeflags=$cf_option
4072                                 ;;
4073                         esac
4074                         break
4075                         ;;
4076                 (.-)    ;;
4077                 (*)     echo "given option \"$cf_option\", no match \"$cf_result\""
4078                         ;;
4079                 esac
4080         done
4081         rm -f cf_makeflags.tmp
4082 ])
4083
4084 AC_SUBST(cf_cv_makeflags)
4085 ])dnl
4086 dnl ---------------------------------------------------------------------------
4087 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
4088 dnl ------------
4089 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
4090 dnl a monocase filesystem.
4091 AC_DEFUN([CF_MAKE_TAGS],[
4092 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
4093
4094 AC_CHECK_PROGS(CTAGS, exctags ctags)
4095 AC_CHECK_PROGS(ETAGS, exetags etags)
4096
4097 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
4098
4099 if test "$cf_cv_mixedcase" = yes ; then
4100         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
4101 else
4102         MAKE_UPPER_TAGS=no
4103 fi
4104
4105 if test "$MAKE_UPPER_TAGS" = yes ; then
4106         MAKE_UPPER_TAGS=
4107 else
4108         MAKE_UPPER_TAGS="#"
4109 fi
4110
4111 if test "$MAKE_LOWER_TAGS" = yes ; then
4112         MAKE_LOWER_TAGS=
4113 else
4114         MAKE_LOWER_TAGS="#"
4115 fi
4116
4117 AC_SUBST(CTAGS)
4118 AC_SUBST(ETAGS)
4119
4120 AC_SUBST(MAKE_UPPER_TAGS)
4121 AC_SUBST(MAKE_LOWER_TAGS)
4122 ])dnl
4123 dnl ---------------------------------------------------------------------------
4124 dnl CF_MANPAGE_FORMAT version: 11 updated: 2015/04/18 08:56:57
4125 dnl -----------------
4126 dnl Option to allow user to override automatic configuration of manpage format.
4127 dnl There are several special cases:
4128 dnl
4129 dnl     gzip - man checks for, can display gzip'd files
4130 dnl     compress - man checks for, can display compressed files
4131 dnl     BSDI - files in the cat-directories are suffixed ".0"
4132 dnl     formatted - installer should format (put files in cat-directory)
4133 dnl     catonly - installer should only format, e.g., for a turnkey system.
4134 dnl
4135 dnl There are other configurations which this macro does not test, e.g., HPUX's
4136 dnl compressed manpages (but uncompressed manpages are fine, and HPUX's naming
4137 dnl convention would not match our use).
4138 AC_DEFUN([CF_MANPAGE_FORMAT],
4139 [
4140 AC_REQUIRE([CF_PATHSEP])
4141 AC_MSG_CHECKING(format of man-pages)
4142
4143 AC_ARG_WITH(manpage-format,
4144         [  --with-manpage-format   specify manpage-format: gzip/compress/BSDI/normal and
4145                           optionally formatted/catonly, e.g., gzip,formatted],
4146         [MANPAGE_FORMAT=$withval],
4147         [MANPAGE_FORMAT=unknown])
4148
4149 test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=unknown
4150 MANPAGE_FORMAT=`echo "$MANPAGE_FORMAT" | sed -e 's/,/ /g'`
4151
4152 cf_unknown=
4153
4154 case $MANPAGE_FORMAT in
4155 (unknown)
4156         if test -z "$MANPATH" ; then
4157                 MANPATH="/usr/man:/usr/share/man"
4158         fi
4159
4160         # look for the 'date' man-page (it's most likely to be installed!)
4161         MANPAGE_FORMAT=
4162         cf_preform=no
4163         cf_catonly=yes
4164         cf_example=date
4165
4166         IFS="${IFS:-    }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
4167         for cf_dir in $MANPATH; do
4168                 test -z "$cf_dir" && cf_dir=/usr/man
4169                 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
4170                 do
4171                         cf_test=`echo $cf_name | sed -e 's/*//'`
4172                         if test "x$cf_test" = "x$cf_name" ; then
4173
4174                                 case "$cf_name" in
4175                                 (*.gz) MANPAGE_FORMAT="$MANPAGE_FORMAT gzip";;
4176                                 (*.Z)  MANPAGE_FORMAT="$MANPAGE_FORMAT compress";;
4177                                 (*.0)  MANPAGE_FORMAT="$MANPAGE_FORMAT BSDI";;
4178                                 (*)    MANPAGE_FORMAT="$MANPAGE_FORMAT normal";;
4179                                 esac
4180
4181                                 case "$cf_name" in
4182                                 ($cf_dir/man*)
4183                                         cf_catonly=no
4184                                         ;;
4185                                 ($cf_dir/cat*)
4186                                         cf_preform=yes
4187                                         ;;
4188                                 esac
4189                                 break
4190                         fi
4191
4192                         # if we found a match in either man* or cat*, stop looking
4193                         if test -n "$MANPAGE_FORMAT" ; then
4194                                 cf_found=no
4195                                 test "$cf_preform" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT formatted"
4196                                 test "$cf_catonly" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT catonly"
4197                                 case "$cf_name" in
4198                                 ($cf_dir/cat*)
4199                                         cf_found=yes
4200                                         ;;
4201                                 esac
4202                                 test $cf_found=yes && break
4203                         fi
4204                 done
4205                 # only check the first directory in $MANPATH where we find manpages
4206                 if test -n "$MANPAGE_FORMAT" ; then
4207                         break
4208                 fi
4209         done
4210         # if we did not find the example, just assume it is normal
4211         test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=normal
4212         IFS="$ac_save_ifs"
4213         ;;
4214 (*)
4215         for cf_option in $MANPAGE_FORMAT; do
4216         case $cf_option in
4217         (gzip|compress|BSDI|normal|formatted|catonly)
4218                 ;;
4219         (*)
4220                 cf_unknown="$cf_unknown $cf_option"
4221                 ;;
4222         esac
4223         done
4224         ;;
4225 esac
4226
4227 AC_MSG_RESULT($MANPAGE_FORMAT)
4228 if test -n "$cf_unknown" ; then
4229         AC_MSG_WARN(Unexpected manpage-format $cf_unknown)
4230 fi
4231 ])dnl
4232 dnl ---------------------------------------------------------------------------
4233 dnl CF_MANPAGE_RENAMES version: 9 updated: 2015/04/18 08:56:57
4234 dnl ------------------
4235 dnl The Debian people have their own naming convention for manpages.  This
4236 dnl option lets us override the name of the file containing renaming, or
4237 dnl disable it altogether.
4238 AC_DEFUN([CF_MANPAGE_RENAMES],
4239 [
4240 AC_MSG_CHECKING(for manpage renaming)
4241
4242 AC_ARG_WITH(manpage-renames,
4243         [  --with-manpage-renames  specify manpage-renaming],
4244         [MANPAGE_RENAMES=$withval],
4245         [MANPAGE_RENAMES=yes])
4246
4247 case ".$MANPAGE_RENAMES" in
4248 (.no)
4249         ;;
4250 (.|.yes)
4251         # Debian 'man' program?
4252         if test -f /etc/debian_version ; then
4253                 MANPAGE_RENAMES=`cd $srcdir && pwd`/man/man_db.renames
4254         else
4255                 MANPAGE_RENAMES=no
4256         fi
4257         ;;
4258 esac
4259
4260 if test "$MANPAGE_RENAMES" != no ; then
4261         if test -f $srcdir/man/$MANPAGE_RENAMES ; then
4262                 MANPAGE_RENAMES=`cd $srcdir/man && pwd`/$MANPAGE_RENAMES
4263         elif test ! -f $MANPAGE_RENAMES ; then
4264                 AC_MSG_ERROR(not a filename: $MANPAGE_RENAMES)
4265         fi
4266
4267         test ! -d man && mkdir man
4268
4269         # Construct a sed-script to perform renaming within man-pages
4270         if test -n "$MANPAGE_RENAMES" ; then
4271                 test ! -d man && mkdir man
4272                 sh $srcdir/man/make_sed.sh $MANPAGE_RENAMES >./edit_man.sed
4273         fi
4274 fi
4275
4276 AC_MSG_RESULT($MANPAGE_RENAMES)
4277 AC_SUBST(MANPAGE_RENAMES)
4278 ])dnl
4279 dnl ---------------------------------------------------------------------------
4280 dnl CF_MANPAGE_SYMLINKS version: 6 updated: 2015/04/17 21:13:04
4281 dnl -------------------
4282 dnl Some people expect each tool to make all aliases for manpages in the
4283 dnl man-directory.  This accommodates the older, less-capable implementations
4284 dnl of 'man', and is optional.
4285 AC_DEFUN([CF_MANPAGE_SYMLINKS],
4286 [
4287 AC_MSG_CHECKING(if manpage aliases will be installed)
4288
4289 AC_ARG_WITH(manpage-aliases,
4290         [  --with-manpage-aliases  specify manpage-aliases using .so],
4291         [MANPAGE_ALIASES=$withval],
4292         [MANPAGE_ALIASES=yes])
4293
4294 AC_MSG_RESULT($MANPAGE_ALIASES)
4295
4296 case "x$LN_S" in
4297 (xln*)
4298         cf_use_symlinks=yes
4299         ;;
4300 (*)
4301         cf_use_symlinks=no
4302         ;;
4303 esac
4304
4305 MANPAGE_SYMLINKS=no
4306 if test "$MANPAGE_ALIASES" = yes ; then
4307 AC_MSG_CHECKING(if manpage symlinks should be used)
4308
4309 AC_ARG_WITH(manpage-symlinks,
4310         [  --with-manpage-symlinks specify manpage-aliases using symlinks],
4311         [MANPAGE_SYMLINKS=$withval],
4312         [MANPAGE_SYMLINKS=$cf_use_symlinks])
4313
4314 if test "$$cf_use_symlinks" = no; then
4315 if test "$MANPAGE_SYMLINKS" = yes ; then
4316         AC_MSG_WARN(cannot make symlinks, will use .so files)
4317         MANPAGE_SYMLINKS=no
4318 fi
4319 fi
4320
4321 AC_MSG_RESULT($MANPAGE_SYMLINKS)
4322 fi
4323
4324 ])dnl
4325 dnl ---------------------------------------------------------------------------
4326 dnl CF_MANPAGE_TBL version: 3 updated: 2002/01/19 22:51:32
4327 dnl --------------
4328 dnl This option causes manpages to be run through tbl(1) to generate tables
4329 dnl correctly.
4330 AC_DEFUN([CF_MANPAGE_TBL],
4331 [
4332 AC_MSG_CHECKING(for manpage tbl)
4333
4334 AC_ARG_WITH(manpage-tbl,
4335         [  --with-manpage-tbl      specify manpage processing with tbl],
4336         [MANPAGE_TBL=$withval],
4337         [MANPAGE_TBL=no])
4338
4339 AC_MSG_RESULT($MANPAGE_TBL)
4340 ])dnl
4341 dnl ---------------------------------------------------------------------------
4342 dnl CF_MAN_PAGES version: 45 updated: 2015/04/18 08:56:57
4343 dnl ------------
4344 dnl Try to determine if the man-pages on the system are compressed, and if
4345 dnl so, what format is used.  Use this information to construct a script that
4346 dnl will install man-pages.
4347 AC_DEFUN([CF_MAN_PAGES],
4348 [
4349 CF_HELP_MESSAGE(Options to Specify How Manpages are Installed:)
4350 CF_MANPAGE_FORMAT
4351 CF_MANPAGE_RENAMES
4352 CF_MANPAGE_SYMLINKS
4353 CF_MANPAGE_TBL
4354
4355 if test "$prefix" = "NONE" ; then
4356         cf_prefix="$ac_default_prefix"
4357 else
4358         cf_prefix="$prefix"
4359 fi
4360
4361 case "$MANPAGE_FORMAT" in
4362 (*catonly*)
4363         cf_format=yes
4364         cf_inboth=no
4365         ;;
4366 (*formatted*)
4367         cf_format=yes
4368         cf_inboth=yes
4369         ;;
4370 (*)
4371         cf_format=no
4372         cf_inboth=no
4373         ;;
4374 esac
4375
4376 test ! -d man && mkdir man
4377
4378 cf_so_strip=
4379 cf_compress=
4380 case "$MANPAGE_FORMAT" in
4381 (*compress*)
4382         cf_so_strip="Z"
4383         cf_compress=compress
4384         ;;
4385 (*gzip*)
4386         cf_so_strip="gz"
4387         cf_compress=gzip
4388         ;;
4389 esac
4390
4391 cf_edit_man=./edit_man.sh
4392 cf_man_alias=`pwd`/man_alias.sed
4393
4394 cat >$cf_edit_man <<CF_EOF
4395 #! /bin/sh
4396 # this script is generated by the configure-script CF_MAN_PAGES macro.
4397
4398 prefix="$cf_prefix"
4399 datarootdir="$datarootdir"
4400 datadir="$datadir"
4401
4402 NCURSES_MAJOR="$NCURSES_MAJOR"
4403 NCURSES_MINOR="$NCURSES_MINOR"
4404 NCURSES_PATCH="$NCURSES_PATCH"
4405
4406 NCURSES_OSPEED="$NCURSES_OSPEED"
4407 TERMINFO="$TERMINFO"
4408
4409 INSTALL="$INSTALL"
4410 INSTALL_DATA="$INSTALL_DATA"
4411
4412 transform="$program_transform_name"
4413
4414 TMP=\${TMPDIR:=/tmp}/man\$\$
4415 trap "rm -f \$TMP" 0 1 2 5 15
4416
4417 form=\[$]1
4418 shift || exit 1
4419
4420 verb=\[$]1
4421 shift || exit 1
4422
4423 mandir=\[$]1
4424 shift || exit 1
4425
4426 srcdir=\[$]1
4427 top_srcdir=\[$]srcdir/..
4428 shift || exit 1
4429
4430 if test "\$form" = normal ; then
4431         if test "$cf_format" = yes ; then
4432         if test "$cf_inboth" = no ; then
4433                 sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
4434                 exit $?
4435         fi
4436         fi
4437         cf_subdir=\$mandir/man
4438         cf_tables=$MANPAGE_TBL
4439 else
4440         cf_subdir=\$mandir/cat
4441         cf_tables=yes
4442 fi
4443
4444 # process the list of source-files
4445 for i in \[$]* ; do
4446 case \$i in
4447 (*.orig|*.rej) ;;
4448 (*.[[0-9]]*)
4449         section=\`expr "\$i" : '.*\\.\\([[0-9]]\\)[[xm]]*'\`;
4450         if test \$verb = installing ; then
4451         if test ! -d \$cf_subdir\${section} ; then
4452                 mkdir -p \$cf_subdir\$section
4453         fi
4454         fi
4455
4456         # replace variables in man page
4457         if test ! -f $cf_man_alias ; then
4458 cat >>$cf_man_alias <<-CF_EOF2
4459                 s,@DATADIR@,\$datadir,g
4460                 s,@TERMINFO@,\${TERMINFO:="no default value"},g
4461                 s,@TERMINFO_DIRS@,\${TERMINFO_DIRS:="no default value"},g
4462                 s,@NCURSES_MAJOR@,\${NCURSES_MAJOR:="no default value"},g
4463                 s,@NCURSES_MINOR@,\${NCURSES_MINOR:="no default value"},g
4464                 s,@NCURSES_PATCH@,\${NCURSES_PATCH:="no default value"},g
4465                 s,@NCURSES_OSPEED@,\${NCURSES_OSPEED:="no default value"},g
4466 CF_EOF
4467         ifelse($1,,,[
4468         for cf_name in $1
4469         do
4470                 cf_NAME=`echo "$cf_name" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4471                 cf_name=`echo $cf_name|sed "$program_transform_name"`
4472 cat >>$cf_edit_man <<-CF_EOF
4473                 s,@$cf_NAME@,$cf_name,g
4474 CF_EOF
4475         done
4476         ])
4477 cat >>$cf_edit_man <<CF_EOF
4478 CF_EOF2
4479                 echo "...made $cf_man_alias"
4480         fi
4481
4482         aliases=
4483         cf_source=\`basename \$i\`
4484         inalias=\$cf_source
4485         test ! -f \$inalias && inalias="\$srcdir/\$inalias"
4486         if test ! -f \$inalias ; then
4487                 echo .. skipped \$cf_source
4488                 continue
4489         fi
4490 CF_EOF
4491
4492 if test "$MANPAGE_ALIASES" != no ; then
4493 cat >>$cf_edit_man <<CF_EOF
4494         nCurses=ignore.3x
4495         test $with_curses_h = yes && nCurses=ncurses.3x
4496         aliases=\`sed -f \$top_srcdir/man/manlinks.sed \$inalias |sed -f $cf_man_alias | sort -u; test \$inalias = \$nCurses && echo curses\`
4497 CF_EOF
4498 fi
4499
4500 if test "$MANPAGE_RENAMES" = no ; then
4501 cat >>$cf_edit_man <<CF_EOF
4502         # perform program transformations for section 1 man pages
4503         if test \$section = 1 ; then
4504                 cf_target=\$cf_subdir\${section}/\`echo \$cf_source|sed "\${transform}"\`
4505         else
4506                 cf_target=\$cf_subdir\${section}/\$cf_source
4507         fi
4508 CF_EOF
4509 else
4510 cat >>$cf_edit_man <<CF_EOF
4511         cf_target=\`grep "^\$cf_source" $MANPAGE_RENAMES | $AWK '{print \[$]2}'\`
4512         if test -z "\$cf_target" ; then
4513                 echo '? missing rename for '\$cf_source
4514                 cf_target="\$cf_source"
4515         fi
4516         cf_target="\$cf_subdir\${section}/\${cf_target}"
4517
4518 CF_EOF
4519 fi
4520
4521 cat >>$cf_edit_man <<CF_EOF
4522         sed     -f $cf_man_alias \\
4523 CF_EOF
4524
4525 if test -f $MANPAGE_RENAMES ; then
4526 cat >>$cf_edit_man <<CF_EOF
4527                 < \$i | sed -f `pwd`/edit_man.sed >\$TMP
4528 CF_EOF
4529 else
4530 cat >>$cf_edit_man <<CF_EOF
4531                 < \$i >\$TMP
4532 CF_EOF
4533 fi
4534
4535 cat >>$cf_edit_man <<CF_EOF
4536 if test \$cf_tables = yes ; then
4537         tbl \$TMP >\$TMP.out
4538         mv \$TMP.out \$TMP
4539 fi
4540 CF_EOF
4541
4542 if test $with_overwrite != yes ; then
4543 cat >>$cf_edit_man <<CF_EOF
4544         sed -e "/\#[    ]*include/s,<curses.h,<ncurses$LIB_SUFFIX/curses.h," < \$TMP >\$TMP.out
4545         mv \$TMP.out \$TMP
4546 CF_EOF
4547 fi
4548
4549 if test $with_curses_h != yes ; then
4550 cat >>$cf_edit_man <<CF_EOF
4551         sed -e "/\#[    ]*include/s,curses.h,ncurses.h," < \$TMP >\$TMP.out
4552         mv \$TMP.out \$TMP
4553 CF_EOF
4554 fi
4555
4556 cat >>$cf_edit_man <<CF_EOF
4557         if test \$form = format ; then
4558                 nroff -man \$TMP >\$TMP.out
4559                 mv \$TMP.out \$TMP
4560         fi
4561 CF_EOF
4562
4563 if test -n "$cf_compress" ; then
4564 cat >>$cf_edit_man <<CF_EOF
4565         if test \$verb = installing ; then
4566         if ( $cf_compress -f \$TMP )
4567         then
4568                 mv \$TMP.$cf_so_strip \$TMP
4569         fi
4570         fi
4571         cf_target="\$cf_target.$cf_so_strip"
4572 CF_EOF
4573 fi
4574
4575 case "$MANPAGE_FORMAT" in
4576 (*BSDI*)
4577 cat >>$cf_edit_man <<CF_EOF
4578         if test \$form = format ; then
4579                 # BSDI installs only .0 suffixes in the cat directories
4580                 cf_target="\`echo \$cf_target|sed -e 's/\.[[1-9]]\+[[a-z]]*/.0/'\`"
4581         fi
4582 CF_EOF
4583   ;;
4584 esac
4585
4586 cat >>$cf_edit_man <<CF_EOF
4587         suffix=\`basename \$cf_target | sed -e 's%^[[^.]]*%%'\`
4588         if test \$verb = installing ; then
4589                 echo \$verb \$cf_target
4590                 \$INSTALL_DATA \$TMP \$cf_target
4591                 test -d \$cf_subdir\${section} &&
4592                 test -n "\$aliases" && (
4593                         cd \$cf_subdir\${section} && (
4594                                 cf_source=\`echo \$cf_target |sed -e 's%^.*/\([[^/]][[^/]]*/[[^/]][[^/]]*$\)%\1%'\`
4595                                 test -n "$cf_so_strip" && cf_source=\`echo \$cf_source |sed -e 's%\.$cf_so_strip\$%%'\`
4596                                 cf_target=\`basename \$cf_target\`
4597                                 for cf_alias in \$aliases
4598                                 do
4599                                         if test \$section = 1 ; then
4600                                                 cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
4601                                         fi
4602
4603                                         if test "$MANPAGE_SYMLINKS" = yes ; then
4604                                                 if test -f \$cf_alias\${suffix} ; then
4605                                                         if ( cmp -s \$cf_target \$cf_alias\${suffix} )
4606                                                         then
4607                                                                 continue
4608                                                         fi
4609                                                 fi
4610                                                 echo .. \$verb alias \$cf_alias\${suffix}
4611 CF_EOF
4612 case "x$LN_S" in
4613 (*-f)
4614 cat >>$cf_edit_man <<CF_EOF
4615                                                 $LN_S \$cf_target \$cf_alias\${suffix}
4616 CF_EOF
4617         ;;
4618 (*)
4619 cat >>$cf_edit_man <<CF_EOF
4620                                                 rm -f \$cf_alias\${suffix}
4621                                                 $LN_S \$cf_target \$cf_alias\${suffix}
4622 CF_EOF
4623         ;;
4624 esac
4625 cat >>$cf_edit_man <<CF_EOF
4626                                         elif test "\$cf_target" != "\$cf_alias\${suffix}" ; then
4627                                                 echo ".so \$cf_source" >\$TMP
4628 CF_EOF
4629 if test -n "$cf_compress" ; then
4630 cat >>$cf_edit_man <<CF_EOF
4631                                                 if test -n "$cf_so_strip" ; then
4632                                                         $cf_compress -f \$TMP
4633                                                         mv \$TMP.$cf_so_strip \$TMP
4634                                                 fi
4635 CF_EOF
4636 fi
4637 cat >>$cf_edit_man <<CF_EOF
4638                                                 echo .. \$verb alias \$cf_alias\${suffix}
4639                                                 rm -f \$cf_alias\${suffix}
4640                                                 \$INSTALL_DATA \$TMP \$cf_alias\${suffix}
4641                                         fi
4642                                 done
4643                         )
4644                 )
4645         elif test \$verb = removing ; then
4646                 test -f \$cf_target && (
4647                         echo \$verb \$cf_target
4648                         rm -f \$cf_target
4649                 )
4650                 test -d \$cf_subdir\${section} &&
4651                 test -n "\$aliases" && (
4652                         cd \$cf_subdir\${section} && (
4653                                 for cf_alias in \$aliases
4654                                 do
4655                                         if test \$section = 1 ; then
4656                                                 cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
4657                                         fi
4658
4659                                         echo .. \$verb alias \$cf_alias\${suffix}
4660                                         rm -f \$cf_alias\${suffix}
4661                                 done
4662                         )
4663                 )
4664         else
4665 #               echo ".hy 0"
4666                 cat \$TMP
4667         fi
4668         ;;
4669 esac
4670 done
4671
4672 if test $cf_inboth = yes ; then
4673 if test \$form != format ; then
4674         sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
4675 fi
4676 fi
4677
4678 exit 0
4679 CF_EOF
4680 chmod 755 $cf_edit_man
4681
4682 ])dnl
4683 dnl ---------------------------------------------------------------------------
4684 dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02
4685 dnl -----------
4686 dnl Checks for libraries.  At least one UNIX system, Apple Macintosh
4687 dnl Rhapsody 5.5, does not have -lm.  We cannot use the simpler
4688 dnl AC_CHECK_LIB(m,sin), because that fails for C++.
4689 AC_DEFUN([CF_MATH_LIB],
4690 [
4691 AC_CACHE_CHECK(if -lm needed for math functions,
4692         cf_cv_need_libm,[
4693         AC_TRY_LINK([
4694         #include <stdio.h>
4695         #include <math.h>
4696         ],
4697         [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
4698         [cf_cv_need_libm=no],
4699         [cf_cv_need_libm=yes])])
4700 if test "$cf_cv_need_libm" = yes
4701 then
4702 ifelse($1,,[
4703         CF_ADD_LIB(m)
4704 ],[$1=-lm])
4705 fi
4706 ])
4707 dnl ---------------------------------------------------------------------------
4708 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
4709 dnl ----------------------
4710 dnl Check if the file-system supports mixed-case filenames.  If we're able to
4711 dnl create a lowercase name and see it as uppercase, it doesn't support that.
4712 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
4713 [
4714 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
4715 if test "$cross_compiling" = yes ; then
4716         case $target_alias in
4717         (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
4718                 cf_cv_mixedcase=no
4719                 ;;
4720         (*)
4721                 cf_cv_mixedcase=yes
4722                 ;;
4723         esac
4724 else
4725         rm -f conftest CONFTEST
4726         echo test >conftest
4727         if test -f CONFTEST ; then
4728                 cf_cv_mixedcase=no
4729         else
4730                 cf_cv_mixedcase=yes
4731         fi
4732         rm -f conftest CONFTEST
4733 fi
4734 ])
4735 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
4736 ])dnl
4737 dnl ---------------------------------------------------------------------------
4738 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
4739 dnl ----------
4740 dnl Check for a working mkstemp.  This creates two files, checks that they are
4741 dnl successfully created and distinct (AmigaOS apparently fails on the last).
4742 AC_DEFUN([CF_MKSTEMP],[
4743 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
4744 rm -rf conftest*
4745 AC_TRY_RUN([
4746 #include <sys/types.h>
4747 #include <stdlib.h>
4748 #include <stdio.h>
4749 #include <string.h>
4750 #include <sys/stat.h>
4751 int main()
4752 {
4753         char *tmpl = "conftestXXXXXX";
4754         char name[2][80];
4755         int n;
4756         int result = 0;
4757         int fd;
4758         struct stat sb;
4759
4760         umask(077);
4761         for (n = 0; n < 2; ++n) {
4762                 strcpy(name[n], tmpl);
4763                 if ((fd = mkstemp(name[n])) >= 0) {
4764                         if (!strcmp(name[n], tmpl)
4765                          || stat(name[n], &sb) != 0
4766                          || (sb.st_mode & S_IFMT) != S_IFREG
4767                          || (sb.st_mode & 077) != 0) {
4768                                 result = 1;
4769                         }
4770                         close(fd);
4771                 }
4772         }
4773         if (result == 0
4774          && !strcmp(name[0], name[1]))
4775                 result = 1;
4776         ${cf_cv_main_return:-return}(result);
4777 }
4778 ],[cf_cv_func_mkstemp=yes
4779 ],[cf_cv_func_mkstemp=no
4780 ],[cf_cv_func_mkstemp=maybe])
4781 ])
4782 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
4783         AC_CHECK_FUNC(mkstemp)
4784 fi
4785 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
4786         AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
4787 fi
4788 ])dnl
4789 dnl ---------------------------------------------------------------------------
4790 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
4791 dnl ----------
4792 dnl Write a debug message to config.log, along with the line number in the
4793 dnl configure script.
4794 AC_DEFUN([CF_MSG_LOG],[
4795 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
4796 ])dnl
4797 dnl ---------------------------------------------------------------------------
4798 dnl CF_NCURSES_ABI_6 version: 3 updated: 2015/06/06 16:10:11
4799 dnl ----------------
4800 dnl Set ncurses' ABI to 6 unless overridden by explicit configure option, and
4801 dnl warn about this.
4802 AC_DEFUN([CF_NCURSES_ABI_6],[
4803 if test "${with_abi_version+set}" != set; then
4804         case $cf_cv_rel_version in
4805         (5.*)
4806                 cf_cv_rel_version=6.0
4807                 cf_cv_abi_version=6
4808                 AC_MSG_WARN(overriding ABI version to $cf_cv_abi_version)
4809                 ;;
4810         esac
4811 fi
4812 ])dnl
4813 dnl ---------------------------------------------------------------------------
4814 dnl CF_NO_LEAKS_OPTION version: 6 updated: 2015/04/12 15:39:00
4815 dnl ------------------
4816 dnl see CF_WITH_NO_LEAKS
4817 AC_DEFUN([CF_NO_LEAKS_OPTION],[
4818 AC_MSG_CHECKING(if you want to use $1 for testing)
4819 AC_ARG_WITH($1,
4820         [$2],
4821         [AC_DEFINE_UNQUOTED($3,1,"Define to 1 if you want to use $1 for testing.")ifelse([$4],,[
4822          $4
4823 ])
4824         : ${with_cflags:=-g}
4825         : ${with_no_leaks:=yes}
4826          with_$1=yes],
4827         [with_$1=])
4828 AC_MSG_RESULT(${with_$1:-no})
4829
4830 case .$with_cflags in
4831 (.*-g*)
4832         case .$CFLAGS in
4833         (.*-g*)
4834                 ;;
4835         (*)
4836                 CF_ADD_CFLAGS([-g])
4837                 ;;
4838         esac
4839         ;;
4840 esac
4841 ])dnl
4842 dnl ---------------------------------------------------------------------------
4843 dnl CF_NUMBER_SYNTAX version: 2 updated: 2015/04/17 21:13:04
4844 dnl ----------------
4845 dnl Check if the given variable is a number.  If not, report an error.
4846 dnl $1 is the variable
4847 dnl $2 is the message
4848 AC_DEFUN([CF_NUMBER_SYNTAX],[
4849 if test -n "$1" ; then
4850   case $1 in
4851   ([[0-9]]*)
4852         ;;
4853   (*)
4854         AC_MSG_ERROR($2 is not a number: $1)
4855         ;;
4856   esac
4857 else
4858   AC_MSG_ERROR($2 value is empty)
4859 fi
4860 ])dnl
4861 dnl ---------------------------------------------------------------------------
4862 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
4863 dnl -------------
4864 dnl Compute the object-directory name from the given model name
4865 AC_DEFUN([CF_OBJ_SUBDIR],
4866 [
4867         case $1 in
4868         (libtool) $2='obj_lo'  ;;
4869         (normal)  $2='objects' ;;
4870         (debug)   $2='obj_g' ;;
4871         (profile) $2='obj_p' ;;
4872         (shared)
4873                 case $cf_cv_system_name in
4874                 (cygwin|msys)
4875                         $2='objects' ;;
4876                 (*)
4877                         $2='obj_s' ;;
4878                 esac
4879         esac
4880 ])dnl
4881 dnl ---------------------------------------------------------------------------
4882 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
4883 dnl ----------
4884 dnl Provide a value for the $PATH and similar separator (or amend the value
4885 dnl as provided in autoconf 2.5x).
4886 AC_DEFUN([CF_PATHSEP],
4887 [
4888         AC_MSG_CHECKING(for PATH separator)
4889         case $cf_cv_system_name in
4890         (os2*)  PATH_SEPARATOR=';'  ;;
4891         (*)     ${PATH_SEPARATOR:=':'}  ;;
4892         esac
4893 ifelse([$1],,,[$1=$PATH_SEPARATOR])
4894         AC_SUBST(PATH_SEPARATOR)
4895         AC_MSG_RESULT($PATH_SEPARATOR)
4896 ])dnl
4897 dnl ---------------------------------------------------------------------------
4898 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
4899 dnl --------------
4900 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
4901 dnl begins with one of the prefix/exec_prefix variables, and then again if the
4902 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
4903 dnl delayed evaluation of those symbols.
4904 AC_DEFUN([CF_PATH_SYNTAX],[
4905 if test "x$prefix" != xNONE; then
4906         cf_path_syntax="$prefix"
4907 else
4908         cf_path_syntax="$ac_default_prefix"
4909 fi
4910
4911 case ".[$]$1" in
4912 (.\[$]\(*\)*|.\'*\'*)
4913         ;;
4914 (..|./*|.\\*)
4915         ;;
4916 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
4917         ;;
4918 (.\[$]{*prefix}*|.\[$]{*dir}*)
4919         eval $1="[$]$1"
4920         case ".[$]$1" in
4921         (.NONE/*)
4922                 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
4923                 ;;
4924         esac
4925         ;;
4926 (.no|.NONE/*)
4927         $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
4928         ;;
4929 (*)
4930         ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
4931         ;;
4932 esac
4933 ])dnl
4934 dnl ---------------------------------------------------------------------------
4935 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
4936 dnl -------------
4937 dnl Check for the package-config program, unless disabled by command-line.
4938 AC_DEFUN([CF_PKG_CONFIG],
4939 [
4940 AC_MSG_CHECKING(if you want to use pkg-config)
4941 AC_ARG_WITH(pkg-config,
4942         [  --with-pkg-config{=path} enable/disable use of pkg-config],
4943         [cf_pkg_config=$withval],
4944         [cf_pkg_config=yes])
4945 AC_MSG_RESULT($cf_pkg_config)
4946
4947 case $cf_pkg_config in
4948 (no)
4949         PKG_CONFIG=none
4950         ;;
4951 (yes)
4952         CF_ACVERSION_CHECK(2.52,
4953                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
4954                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
4955         ;;
4956 (*)
4957         PKG_CONFIG=$withval
4958         ;;
4959 esac
4960
4961 test -z "$PKG_CONFIG" && PKG_CONFIG=none
4962 if test "$PKG_CONFIG" != none ; then
4963         CF_PATH_SYNTAX(PKG_CONFIG)
4964 elif test "x$cf_pkg_config" != xno ; then
4965         AC_MSG_WARN(pkg-config is not installed)
4966 fi
4967
4968 AC_SUBST(PKG_CONFIG)
4969 ])dnl
4970 dnl ---------------------------------------------------------------------------
4971 dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00
4972 dnl -----------------
4973 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
4974 dnl
4975 dnl     POSIX.1-1990                            _POSIX_SOURCE
4976 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
4977 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
4978 dnl             Bindings Option
4979 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
4980 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
4981 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
4982 dnl
4983 dnl Parameters:
4984 dnl     $1 is the nominal value for _POSIX_C_SOURCE
4985 AC_DEFUN([CF_POSIX_C_SOURCE],
4986 [
4987 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
4988
4989 cf_save_CFLAGS="$CFLAGS"
4990 cf_save_CPPFLAGS="$CPPFLAGS"
4991
4992 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
4993 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
4994
4995 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
4996         CF_MSG_LOG(if the symbol is already defined go no further)
4997         AC_TRY_COMPILE([#include <sys/types.h>],[
4998 #ifndef _POSIX_C_SOURCE
4999 make an error
5000 #endif],
5001         [cf_cv_posix_c_source=no],
5002         [cf_want_posix_source=no
5003          case .$cf_POSIX_C_SOURCE in
5004          (.[[12]]??*)
5005                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
5006                 ;;
5007          (.2)
5008                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
5009                 cf_want_posix_source=yes
5010                 ;;
5011          (.*)
5012                 cf_want_posix_source=yes
5013                 ;;
5014          esac
5015          if test "$cf_want_posix_source" = yes ; then
5016                 AC_TRY_COMPILE([#include <sys/types.h>],[
5017 #ifdef _POSIX_SOURCE
5018 make an error
5019 #endif],[],
5020                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
5021          fi
5022          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
5023          CFLAGS="$cf_trim_CFLAGS"
5024          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
5025          CF_MSG_LOG(if the second compile does not leave our definition intact error)
5026          AC_TRY_COMPILE([#include <sys/types.h>],[
5027 #ifndef _POSIX_C_SOURCE
5028 make an error
5029 #endif],,
5030          [cf_cv_posix_c_source=no])
5031          CFLAGS="$cf_save_CFLAGS"
5032          CPPFLAGS="$cf_save_CPPFLAGS"
5033         ])
5034 ])
5035
5036 if test "$cf_cv_posix_c_source" != no ; then
5037         CFLAGS="$cf_trim_CFLAGS"
5038         CPPFLAGS="$cf_trim_CPPFLAGS"
5039         CF_ADD_CFLAGS($cf_cv_posix_c_source)
5040 fi
5041
5042 ])dnl
5043 dnl ---------------------------------------------------------------------------
5044 dnl CF_PREDEFINE version: 2 updated: 2010/05/26 16:44:57
5045 dnl ------------
5046 dnl Add definitions to CPPFLAGS to ensure they're predefined for all compiles.
5047 dnl
5048 dnl $1 = symbol to test
5049 dnl $2 = value (if any) to use for a predefinition
5050 AC_DEFUN([CF_PREDEFINE],
5051 [
5052 AC_MSG_CHECKING(if we must define $1)
5053 AC_TRY_COMPILE([#include <sys/types.h>
5054 ],[
5055 #ifndef $1
5056 make an error
5057 #endif],[cf_result=no],[cf_result=yes])
5058 AC_MSG_RESULT($cf_result)
5059
5060 if test "$cf_result" = yes ; then
5061         CPPFLAGS="$CPPFLAGS ifelse([$2],,-D$1,[-D$1=$2])"
5062 elif test "x$2" != "x" ; then
5063         AC_MSG_CHECKING(checking for compatible value versus $2)
5064         AC_TRY_COMPILE([#include <sys/types.h>
5065 ],[
5066 #if $1-$2 < 0
5067 make an error
5068 #endif],[cf_result=yes],[cf_result=no])
5069         AC_MSG_RESULT($cf_result)
5070         if test "$cf_result" = no ; then
5071                 # perhaps we can override it - try...
5072                 CPPFLAGS="$CPPFLAGS -D$1=$2"
5073         fi
5074 fi
5075 ])dnl
5076 dnl ---------------------------------------------------------------------------
5077 dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
5078 dnl ------------
5079 dnl Append definitions and rules for the given programs to the subdirectory
5080 dnl Makefiles, and the recursion rule for the top-level Makefile.
5081 dnl
5082 dnl parameters
5083 dnl     $1 = script to run
5084 dnl     $2 = list of subdirectories
5085 dnl
5086 dnl variables
5087 dnl     $AWK
5088 AC_DEFUN([CF_PRG_RULES],
5089 [
5090 for cf_dir in $2
5091 do
5092         if test ! -d $srcdir/$cf_dir; then
5093                 continue
5094         elif test -f $srcdir/$cf_dir/programs; then
5095                 $AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
5096         fi
5097 done
5098
5099 ])dnl
5100 dnl ---------------------------------------------------------------------------
5101 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
5102 dnl ----------
5103 dnl Check for archiver "ar".
5104 AC_DEFUN([CF_PROG_AR],[
5105 AC_CHECK_TOOL(AR, ar, ar)
5106 ])
5107 dnl ---------------------------------------------------------------------------
5108 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
5109 dnl -----------
5110 dnl Check for awk, ensure that the check found something.
5111 AC_DEFUN([CF_PROG_AWK],
5112 [
5113 AC_PROG_AWK
5114 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
5115 ])dnl
5116 dnl ---------------------------------------------------------------------------
5117 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
5118 dnl ----------
5119 dnl standard check for CC, plus followup sanity checks
5120 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
5121 AC_DEFUN([CF_PROG_CC],[
5122 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
5123 CF_GCC_VERSION
5124 CF_ACVERSION_CHECK(2.52,
5125         [AC_PROG_CC_STDC],
5126         [CF_ANSI_CC_REQD])
5127 CF_CC_ENV_FLAGS
5128 ])dnl
5129 dnl ---------------------------------------------------------------------------
5130 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
5131 dnl --------------
5132 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
5133 dnl the output file can be renamed, and allows for a shell variable that can
5134 dnl be used later.  The parameter is either CC or CXX.  The result is the
5135 dnl cache variable:
5136 dnl     $cf_cv_prog_CC_c_o
5137 dnl     $cf_cv_prog_CXX_c_o
5138 AC_DEFUN([CF_PROG_CC_C_O],
5139 [AC_REQUIRE([AC_PROG_CC])dnl
5140 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
5141 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
5142 [
5143 cat > conftest.$ac_ext <<CF_EOF
5144 #include <stdio.h>
5145 int main()
5146 {
5147         ${cf_cv_main_return:-return}(0);
5148 }
5149 CF_EOF
5150 # We do the test twice because some compilers refuse to overwrite an
5151 # existing .o file with -o, though they will create one.
5152 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
5153 if AC_TRY_EVAL(ac_try) &&
5154   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
5155 then
5156   eval cf_cv_prog_$1_c_o=yes
5157 else
5158   eval cf_cv_prog_$1_c_o=no
5159 fi
5160 rm -rf conftest*
5161 ])dnl
5162 if test $cf_cv_prog_$1_c_o = yes; then
5163   AC_MSG_RESULT([yes])
5164 else
5165   AC_MSG_RESULT([no])
5166 fi
5167 ])dnl
5168 dnl ---------------------------------------------------------------------------
5169 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
5170 dnl -------------
5171 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
5172 dnl This macro adds a check to ensure the script found something.
5173 AC_DEFUN([CF_PROG_EGREP],
5174 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
5175         [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
5176                 then ac_cv_prog_egrep='grep -E'
5177                 else ac_cv_prog_egrep='egrep'
5178         fi])
5179         EGREP=$ac_cv_prog_egrep
5180         AC_SUBST([EGREP])
5181         test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
5182 ])dnl
5183 dnl ---------------------------------------------------------------------------
5184 dnl CF_PROG_GNAT version: 3 updated: 2015/04/18 08:56:57
5185 dnl ------------
5186 dnl Check for gnatmake, ensure that it is complete.
5187 AC_DEFUN([CF_PROG_GNAT],[
5188 cf_ada_make=gnatmake
5189 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
5190 if test "$ac_cv_prog_gnat_exists" = no; then
5191         cf_ada_make=
5192         cf_cv_prog_gnat_correct=no
5193 else
5194         CF_GNAT_VERSION
5195         AC_CHECK_PROG(M4_exists, m4, yes, no)
5196         if test "$ac_cv_prog_M4_exists" = no; then
5197                 cf_cv_prog_gnat_correct=no
5198                 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
5199         fi
5200         if test "$cf_cv_prog_gnat_correct" = yes; then
5201                 AC_MSG_CHECKING(if GNAT works)
5202                 CF_GNAT_TRY_RUN([procedure conftest;],
5203 [with Text_IO;
5204 with GNAT.OS_Lib;
5205 procedure conftest is
5206 begin
5207    Text_IO.Put ("Hello World");
5208    Text_IO.New_Line;
5209    GNAT.OS_Lib.OS_Exit (0);
5210 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
5211                 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
5212         fi
5213 fi
5214
5215 AC_SUBST(cf_ada_make)
5216 ])dnl
5217 dnl ---------------------------------------------------------------------------
5218 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
5219 dnl ---------------
5220 dnl Force $INSTALL to be an absolute-path.  Otherwise, edit_man.sh and the
5221 dnl misc/tabset install won't work properly.  Usually this happens only when
5222 dnl using the fallback mkinstalldirs script
5223 AC_DEFUN([CF_PROG_INSTALL],
5224 [AC_PROG_INSTALL
5225 case $INSTALL in
5226 (/*)
5227         ;;
5228 (*)
5229         CF_DIRNAME(cf_dir,$INSTALL)
5230         test -z "$cf_dir" && cf_dir=.
5231         INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
5232         ;;
5233 esac
5234 ])dnl
5235 dnl ---------------------------------------------------------------------------
5236 dnl CF_PROG_LDCONFIG version: 5 updated: 2015/04/18 08:56:57
5237 dnl ----------------
5238 dnl Check for ldconfig, needed to fixup shared libraries that would be built
5239 dnl and then used in the install.
5240 AC_DEFUN([CF_PROG_LDCONFIG],[
5241 if test "$cross_compiling" = yes ; then
5242         LDCONFIG=:
5243 else
5244         case "$cf_cv_system_name" in
5245         (dragonfly*|mirbsd*|freebsd*)
5246                 test -z "$LDCONFIG" && LDCONFIG="/sbin/ldconfig -R"
5247                 ;;
5248         (*) LDPATH=$PATH:/sbin:/usr/sbin
5249                 AC_PATH_PROG(LDCONFIG,ldconfig,,$LDPATH)
5250                 ;;
5251         esac
5252 fi
5253 AC_SUBST(LDCONFIG)
5254 ])dnl
5255 dnl ---------------------------------------------------------------------------
5256 dnl CF_PROG_LINT version: 2 updated: 2009/08/12 04:43:14
5257 dnl ------------
5258 AC_DEFUN([CF_PROG_LINT],
5259 [
5260 AC_CHECK_PROGS(LINT, tdlint lint alint splint lclint)
5261 AC_SUBST(LINT_OPTS)
5262 ])dnl
5263 dnl ---------------------------------------------------------------------------
5264 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
5265 dnl ------------
5266 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
5267 dnl option if it is supported.
5268 AC_DEFUN([CF_PROG_LN_S],[
5269 AC_PROG_LN_S
5270 AC_MSG_CHECKING(if $LN_S -f options work)
5271
5272 rm -f conf$$.src conf$$dst
5273 echo >conf$$.dst
5274 echo first >conf$$.src
5275 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
5276         cf_prog_ln_sf=yes
5277 else
5278         cf_prog_ln_sf=no
5279 fi
5280 rm -f conf$$.dst conf$$src
5281 AC_MSG_RESULT($cf_prog_ln_sf)
5282
5283 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
5284 ])dnl
5285 dnl ---------------------------------------------------------------------------
5286 dnl CF_REGEX version: 12 updated: 2015/04/18 08:56:57
5287 dnl --------
5288 dnl Attempt to determine if we've got one of the flavors of regular-expression
5289 dnl code that we can support.
5290 AC_DEFUN([CF_REGEX],
5291 [
5292
5293 cf_regex_func=no
5294
5295 cf_regex_libs="regex re"
5296 case $host_os in
5297 (mingw*)
5298         cf_regex_libs="gnurx $cf_regex_libs"
5299         ;;
5300 esac
5301
5302 AC_CHECK_FUNC(regcomp,[cf_regex_func=regcomp],[
5303         for cf_regex_lib in $cf_regex_libs
5304         do
5305                 AC_CHECK_LIB($cf_regex_lib,regcomp,[
5306                                 CF_ADD_LIB($cf_regex_lib)
5307                                 cf_regex_func=regcomp
5308                                 break])
5309         done
5310 ])
5311
5312 if test "$cf_regex_func" = no ; then
5313         AC_CHECK_FUNC(compile,[cf_regex_func=compile],[
5314                 AC_CHECK_LIB(gen,compile,[
5315                                 CF_ADD_LIB(gen)
5316                                 cf_regex_func=compile])])
5317 fi
5318
5319 if test "$cf_regex_func" = no ; then
5320         AC_MSG_WARN(cannot find regular expression library)
5321 fi
5322
5323 AC_CACHE_CHECK(for regular-expression headers,cf_cv_regex_hdrs,[
5324
5325 cf_cv_regex_hdrs=no
5326 case $cf_regex_func in
5327 (compile)
5328         for cf_regex_hdr in regexp.h regexpr.h
5329         do
5330                 AC_TRY_LINK([#include <$cf_regex_hdr>],[
5331                         char *p = compile("", "", "", 0);
5332                         int x = step("", "");
5333                 ],[
5334                         cf_cv_regex_hdrs=$cf_regex_hdr
5335                         break
5336                 ])
5337         done
5338         ;;
5339 (*)
5340         for cf_regex_hdr in regex.h
5341         do
5342                 AC_TRY_LINK([#include <sys/types.h>
5343 #include <$cf_regex_hdr>],[
5344                         regex_t *p;
5345                         int x = regcomp(p, "", 0);
5346                         int y = regexec(p, "", 0, 0, 0);
5347                         regfree(p);
5348                 ],[
5349                         cf_cv_regex_hdrs=$cf_regex_hdr
5350                         break
5351                 ])
5352         done
5353         ;;
5354 esac
5355
5356 ])
5357
5358 case $cf_cv_regex_hdrs in
5359         (no)            AC_MSG_WARN(no regular expression header found) ;;
5360         (regex.h)       AC_DEFINE(HAVE_REGEX_H_FUNCS,1,[Define to 1 to include regex.h for regular expressions]) ;;
5361         (regexp.h)      AC_DEFINE(HAVE_REGEXP_H_FUNCS,1,[Define to 1 to include regexp.h for regular expressions]) ;;
5362         (regexpr.h) AC_DEFINE(HAVE_REGEXPR_H_FUNCS,1,[Define to 1 to include regexpr.h for regular expressions]) ;;
5363 esac
5364 ])dnl
5365 dnl ---------------------------------------------------------------------------
5366 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
5367 dnl ----------------
5368 dnl Remove all -U and -D options that refer to the given symbol from a list
5369 dnl of C compiler options.  This works around the problem that not all
5370 dnl compilers process -U and -D options from left-to-right, so a -U option
5371 dnl cannot be used to cancel the effect of a preceding -D option.
5372 dnl
5373 dnl $1 = target (which could be the same as the source variable)
5374 dnl $2 = source (including '$')
5375 dnl $3 = symbol to remove
5376 define([CF_REMOVE_DEFINE],
5377 [
5378 $1=`echo "$2" | \
5379         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
5380                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
5381 ])dnl
5382 dnl ---------------------------------------------------------------------------
5383 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
5384 dnl -------------
5385 dnl Remove the given library from the symbol
5386 dnl
5387 dnl $1 = target (which could be the same as the source variable)
5388 dnl $2 = source (including '$')
5389 dnl $3 = library to remove
5390 define([CF_REMOVE_LIB],
5391 [
5392 # remove $3 library from $2
5393 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
5394 ])dnl
5395 dnl ---------------------------------------------------------------------------
5396 dnl CF_RPATH_HACK version: 11 updated: 2013/09/01 13:02:00
5397 dnl -------------
5398 AC_DEFUN([CF_RPATH_HACK],
5399 [
5400 AC_REQUIRE([CF_LD_RPATH_OPT])
5401 AC_MSG_CHECKING(for updated LDFLAGS)
5402 if test -n "$LD_RPATH_OPT" ; then
5403         AC_MSG_RESULT(maybe)
5404
5405         AC_CHECK_PROGS(cf_ldd_prog,ldd,no)
5406         cf_rpath_list="/usr/lib /lib"
5407         if test "$cf_ldd_prog" != no
5408         then
5409                 cf_rpath_oops=
5410
5411 AC_TRY_LINK([#include <stdio.h>],
5412                 [printf("Hello");],
5413                 [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort | uniq`
5414                  cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[     ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort | uniq`])
5415
5416                 # If we passed the link-test, but get a "not found" on a given library,
5417                 # this could be due to inept reconfiguration of gcc to make it only
5418                 # partly honor /usr/local/lib (or whatever).  Sometimes this behavior
5419                 # is intentional, e.g., installing gcc in /usr/bin and suppressing the
5420                 # /usr/local libraries.
5421                 if test -n "$cf_rpath_oops"
5422                 then
5423                         for cf_rpath_src in $cf_rpath_oops
5424                         do
5425                                 for cf_rpath_dir in \
5426                                         /usr/local \
5427                                         /usr/pkg \
5428                                         /opt/sfw
5429                                 do
5430                                         if test -f $cf_rpath_dir/lib/$cf_rpath_src
5431                                         then
5432                                                 CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
5433                                                 LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
5434                                                 break
5435                                         fi
5436                                 done
5437                         done
5438                 fi
5439         fi
5440
5441         CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
5442
5443         CF_RPATH_HACK_2(LDFLAGS)
5444         CF_RPATH_HACK_2(LIBS)
5445
5446         CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
5447 else
5448         AC_MSG_RESULT(no)
5449 fi
5450 AC_SUBST(EXTRA_LDFLAGS)
5451 ])dnl
5452 dnl ---------------------------------------------------------------------------
5453 dnl CF_RPATH_HACK_2 version: 7 updated: 2015/04/12 15:39:00
5454 dnl ---------------
5455 dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
5456 dnl EXTRA_LDFLAGS for each -L option found.
5457 dnl
5458 dnl $cf_rpath_list contains a list of directories to ignore.
5459 dnl
5460 dnl $1 = variable name to update.  The LDFLAGS variable should be the only one,
5461 dnl      but LIBS often has misplaced -L options.
5462 AC_DEFUN([CF_RPATH_HACK_2],
5463 [
5464 CF_VERBOSE(...checking $1 [$]$1)
5465
5466 cf_rpath_dst=
5467 for cf_rpath_src in [$]$1
5468 do
5469         case $cf_rpath_src in
5470         (-L*)
5471
5472                 # check if this refers to a directory which we will ignore
5473                 cf_rpath_skip=no
5474                 if test -n "$cf_rpath_list"
5475                 then
5476                         for cf_rpath_item in $cf_rpath_list
5477                         do
5478                                 if test "x$cf_rpath_src" = "x-L$cf_rpath_item"
5479                                 then
5480                                         cf_rpath_skip=yes
5481                                         break
5482                                 fi
5483                         done
5484                 fi
5485
5486                 if test "$cf_rpath_skip" = no
5487                 then
5488                         # transform the option
5489                         if test "$LD_RPATH_OPT" = "-R " ; then
5490                                 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"`
5491                         else
5492                                 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"`
5493                         fi
5494
5495                         # if we have not already added this, add it now
5496                         cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"`
5497                         if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS"
5498                         then
5499                                 CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
5500                                 EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
5501                         fi
5502                 fi
5503                 ;;
5504         esac
5505         cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
5506 done
5507 $1=$cf_rpath_dst
5508
5509 CF_VERBOSE(...checked $1 [$]$1)
5510 AC_SUBST(EXTRA_LDFLAGS)
5511 ])dnl
5512 dnl ---------------------------------------------------------------------------
5513 dnl CF_SHARED_OPTS version: 87 updated: 2015/04/17 21:13:04
5514 dnl --------------
5515 dnl --------------
5516 dnl Attempt to determine the appropriate CC/LD options for creating a shared
5517 dnl library.
5518 dnl
5519 dnl Notes:
5520 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
5521 dnl the build-tree, i.e., by making use of the libraries that are compiled in
5522 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
5523 dnl shared library since that can lead to unexpected results at runtime.
5524 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
5525 dnl libraries are compiled in ../../lib
5526 dnl
5527 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
5528 dnl to install symbolic links to the rel/abi versions of shared libraries.
5529 dnl
5530 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
5531 dnl version when making symbolic links.
5532 dnl
5533 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
5534 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
5535 dnl (ex: libncurses.so.<ver>).
5536 dnl
5537 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
5538 AC_DEFUN([CF_SHARED_OPTS],
5539 [
5540         AC_REQUIRE([CF_LD_RPATH_OPT])
5541         RM_SHARED_OPTS=
5542         LOCAL_LDFLAGS=
5543         LOCAL_LDFLAGS2=
5544         LD_SHARED_OPTS=
5545         INSTALL_LIB="-m 644"
5546         : ${rel_builddir:=.}
5547
5548         shlibdir=$libdir
5549         AC_SUBST(shlibdir)
5550
5551         MAKE_DLLS="#"
5552         AC_SUBST(MAKE_DLLS)
5553
5554         cf_cv_do_symlinks=no
5555         cf_ld_rpath_opt=
5556         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
5557
5558         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
5559         AC_ARG_WITH(shlib-version,
5560         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
5561         [test -z "$withval" && withval=auto
5562         case $withval in
5563         (yes)
5564                 cf_cv_shlib_version=auto
5565                 ;;
5566         (rel|abi|auto|no)
5567                 cf_cv_shlib_version=$withval
5568                 ;;
5569         (*)
5570                 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
5571                 ;;
5572         esac
5573         ],[cf_cv_shlib_version=auto])
5574         AC_MSG_RESULT($cf_cv_shlib_version)
5575
5576         cf_cv_rm_so_locs=no
5577         cf_try_cflags=
5578
5579         # Some less-capable ports of gcc support only -fpic
5580         CC_SHARED_OPTS=
5581         if test "$GCC" = yes
5582         then
5583                 AC_MSG_CHECKING(which $CC option to use)
5584                 cf_save_CFLAGS="$CFLAGS"
5585                 for CC_SHARED_OPTS in -fPIC -fpic ''
5586                 do
5587                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
5588                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
5589                 done
5590                 AC_MSG_RESULT($CC_SHARED_OPTS)
5591                 CFLAGS="$cf_save_CFLAGS"
5592         fi
5593
5594         cf_cv_shlib_version_infix=no
5595
5596         case $cf_cv_system_name in
5597         (aix4.[3-9]*|aix[[5-7]]*)
5598                 if test "$GCC" = yes; then
5599                         CC_SHARED_OPTS='-Wl,-brtl'
5600                         MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
5601                 else
5602                         CC_SHARED_OPTS='-brtl'
5603                         # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
5604                         MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
5605                 fi
5606                 ;;
5607         (beos*)
5608                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
5609                 ;;
5610         (cygwin*)
5611                 CC_SHARED_OPTS=
5612                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
5613                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
5614                 cf_cv_shlib_version=cygdll
5615                 cf_cv_shlib_version_infix=cygdll
5616                 shlibdir=$bindir
5617                 MAKE_DLLS=
5618                 cat >mk_shared_lib.sh <<-CF_EOF
5619                 #!/bin/sh
5620                 SHARED_LIB=\[$]1
5621                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
5622                 shift
5623                 cat <<-EOF
5624                 Linking shared library
5625                 ** SHARED_LIB \[$]SHARED_LIB
5626                 ** IMPORT_LIB \[$]IMPORT_LIB
5627 EOF
5628                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
5629 CF_EOF
5630                 chmod +x mk_shared_lib.sh
5631                 ;;
5632         (msys*)
5633                 CC_SHARED_OPTS=
5634                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
5635                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
5636                 cf_cv_shlib_version=msysdll
5637                 cf_cv_shlib_version_infix=msysdll
5638                 shlibdir=$bindir
5639                 MAKE_DLLS=
5640                 cat >mk_shared_lib.sh <<-CF_EOF
5641                 #!/bin/sh
5642                 SHARED_LIB=\[$]1
5643                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
5644                 shift
5645                 cat <<-EOF
5646                 Linking shared library
5647                 ** SHARED_LIB \[$]SHARED_LIB
5648                 ** IMPORT_LIB \[$]IMPORT_LIB
5649 EOF
5650                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
5651 CF_EOF
5652                 chmod +x mk_shared_lib.sh
5653                 ;;
5654         (darwin*)
5655                 cf_try_cflags="no-cpp-precomp"
5656                 CC_SHARED_OPTS="-dynamic"
5657                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
5658                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
5659                 cf_cv_shlib_version_infix=yes
5660                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
5661                         cf_save_LDFLAGS=$LDFLAGS
5662                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
5663                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
5664                                 LDFLAGS=$cf_save_LDFLAGS])
5665                 if test $cf_cv_ldflags_search_paths_first = yes; then
5666                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
5667                 fi
5668                 ;;
5669         (hpux[[7-8]]*)
5670                 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
5671                 if test "$GCC" != yes; then
5672                         CC_SHARED_OPTS='+Z'
5673                 fi
5674                 MK_SHARED_LIB='${LD} -b -o $[@]'
5675                 INSTALL_LIB="-m 555"
5676                 ;;
5677         (hpux*)
5678                 # (tested with gcc 2.7.2 -- I don't have c89)
5679                 if test "$GCC" = yes; then
5680                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
5681                 else
5682                         CC_SHARED_OPTS='+Z'
5683                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
5684                 fi
5685                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
5686                 # HP-UX shared libraries must be executable, and should be
5687                 # readonly to exploit a quirk in the memory manager.
5688                 INSTALL_LIB="-m 555"
5689                 ;;
5690         (interix*)
5691                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5692                 if test "$cf_cv_shlib_version" = rel; then
5693                         cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
5694                 else
5695                         cf_shared_soname='`basename $@`'
5696                 fi
5697                 CC_SHARED_OPTS=
5698                 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
5699                 ;;
5700         (irix*)
5701                 if test "$cf_cv_enable_rpath" = yes ; then
5702                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5703                 fi
5704                 # tested with IRIX 5.2 and 'cc'.
5705                 if test "$GCC" != yes; then
5706                         CC_SHARED_OPTS='-KPIC'
5707                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
5708                 else
5709                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
5710                 fi
5711                 cf_cv_rm_so_locs=yes
5712                 ;;
5713         (linux*|gnu*|k*bsd*-gnu)
5714                 if test "$DFT_LWR_MODEL" = "shared" ; then
5715                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5716                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5717                 fi
5718                 if test "$cf_cv_enable_rpath" = yes ; then
5719                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5720                 fi
5721                 CF_SHARED_SONAME
5722                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5723                 ;;
5724         (mingw*)
5725                 cf_cv_shlib_version=mingw
5726                 cf_cv_shlib_version_infix=mingw
5727                 shlibdir=$bindir
5728                 MAKE_DLLS=
5729                 if test "$DFT_LWR_MODEL" = "shared" ; then
5730                         LOCAL_LDFLAGS="-Wl,--enable-auto-import"
5731                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5732                         EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
5733                 fi
5734                 CC_SHARED_OPTS=
5735                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
5736                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
5737                 cat >mk_shared_lib.sh <<-CF_EOF
5738                 #!/bin/sh
5739                 SHARED_LIB=\[$]1
5740                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
5741                 shift
5742                 cat <<-EOF
5743                 Linking shared library
5744                 ** SHARED_LIB \[$]SHARED_LIB
5745                 ** IMPORT_LIB \[$]IMPORT_LIB
5746 EOF
5747                 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
5748 CF_EOF
5749                 chmod +x mk_shared_lib.sh
5750                 ;;
5751         (openbsd[[2-9]].*|mirbsd*)
5752                 if test "$DFT_LWR_MODEL" = "shared" ; then
5753                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5754                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5755                 fi
5756                 if test "$cf_cv_enable_rpath" = yes ; then
5757                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5758                 fi
5759                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5760                 CF_SHARED_SONAME
5761                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5762                 ;;
5763         (nto-qnx*|openbsd*|freebsd[[12]].*)
5764                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5765                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
5766                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5767                 ;;
5768         (dragonfly*|freebsd*)
5769                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5770                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
5771                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
5772                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
5773                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5774                 fi
5775                 CF_SHARED_SONAME
5776                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5777                 ;;
5778         (netbsd*)
5779                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5780                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
5781                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
5782                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5783                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5784                         if test "$cf_cv_shlib_version" = auto; then
5785                         if test -f /usr/libexec/ld.elf_so; then
5786                                 cf_cv_shlib_version=abi
5787                         else
5788                                 cf_cv_shlib_version=rel
5789                         fi
5790                         fi
5791                         CF_SHARED_SONAME
5792                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
5793                 else
5794                         MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
5795                 fi
5796                 ;;
5797         (osf*|mls+*)
5798                 # tested with OSF/1 V3.2 and 'cc'
5799                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
5800                 # link with shared libs).
5801                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
5802                 case $host_os in
5803                 (osf4*)
5804                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
5805                         ;;
5806                 esac
5807                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
5808                 if test "$DFT_LWR_MODEL" = "shared" ; then
5809                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5810                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5811                 fi
5812                 cf_cv_rm_so_locs=yes
5813                 ;;
5814         (sco3.2v5*)  # also uw2* and UW7: hops 13-Apr-98
5815                 # tested with osr5.0.5
5816                 if test "$GCC" != yes; then
5817                         CC_SHARED_OPTS='-belf -KPIC'
5818                 fi
5819                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
5820                 if test "$cf_cv_enable_rpath" = yes ; then
5821                         # only way is to set LD_RUN_PATH but no switch for it
5822                         RUN_PATH=$libdir
5823                 fi
5824                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5825                 LINK_PROGS='LD_RUN_PATH=${libdir}'
5826                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
5827                 ;;
5828         (sunos4*)
5829                 # tested with SunOS 4.1.1 and gcc 2.7.0
5830                 if test "$GCC" != yes; then
5831                         CC_SHARED_OPTS='-KPIC'
5832                 fi
5833                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
5834                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5835                 ;;
5836         (solaris2*)
5837                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
5838                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
5839                 if test "$DFT_LWR_MODEL" = "shared" ; then
5840                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
5841                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5842                 fi
5843                 if test "$cf_cv_enable_rpath" = yes ; then
5844                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
5845                 fi
5846                 CF_SHARED_SONAME
5847                 if test "$GCC" != yes; then
5848                         cf_save_CFLAGS="$CFLAGS"
5849                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
5850                         do
5851                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
5852                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
5853                         done
5854                         CFLAGS="$cf_save_CFLAGS"
5855                         CC_SHARED_OPTS=$cf_shared_opts
5856                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
5857                 else
5858                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
5859                 fi
5860                 ;;
5861         (sysv5uw7*|unix_sv*)
5862                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
5863                 if test "$GCC" != yes; then
5864                         CC_SHARED_OPTS='-KPIC'
5865                 fi
5866                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
5867                 ;;
5868         (*)
5869                 CC_SHARED_OPTS='unknown'
5870                 MK_SHARED_LIB='echo unknown'
5871                 ;;
5872         esac
5873
5874         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
5875         case "$cf_cv_shlib_version" in
5876         (rel|abi)
5877                 case "$MK_SHARED_LIB" in
5878                 (*'-o $[@]')
5879                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
5880                         ;;
5881                 (*)
5882                         AC_MSG_WARN(ignored --with-shlib-version)
5883                         ;;
5884                 esac
5885                 ;;
5886         esac
5887
5888         if test -n "$cf_try_cflags"
5889         then
5890 cat > conftest.$ac_ext <<EOF
5891 #line __oline__ "${as_me:-configure}"
5892 #include <stdio.h>
5893 int main(int argc, char *argv[[]])
5894 {
5895         printf("hello\n");
5896         return (argv[[argc-1]] == 0) ;
5897 }
5898 EOF
5899                 cf_save_CFLAGS="$CFLAGS"
5900                 for cf_opt in $cf_try_cflags
5901                 do
5902                         CFLAGS="$cf_save_CFLAGS -$cf_opt"
5903                         AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
5904                         if AC_TRY_EVAL(ac_compile); then
5905                                 AC_MSG_RESULT(yes)
5906                                 cf_save_CFLAGS="$CFLAGS"
5907                         else
5908                                 AC_MSG_RESULT(no)
5909                         fi
5910                 done
5911                 CFLAGS="$cf_save_CFLAGS"
5912         fi
5913
5914
5915         # RPATH_LIST is a colon-separated list of directories
5916         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
5917         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
5918
5919         test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
5920
5921         CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
5922         CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
5923
5924         AC_SUBST(CC_SHARED_OPTS)
5925         AC_SUBST(LD_RPATH_OPT)
5926         AC_SUBST(LD_SHARED_OPTS)
5927         AC_SUBST(MK_SHARED_LIB)
5928         AC_SUBST(RM_SHARED_OPTS)
5929
5930         AC_SUBST(LINK_PROGS)
5931         AC_SUBST(LINK_TESTS)
5932
5933         AC_SUBST(EXTRA_LDFLAGS)
5934         AC_SUBST(LOCAL_LDFLAGS)
5935         AC_SUBST(LOCAL_LDFLAGS2)
5936
5937         AC_SUBST(INSTALL_LIB)
5938         AC_SUBST(RPATH_LIST)
5939 ])dnl
5940 dnl ---------------------------------------------------------------------------
5941 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
5942 dnl ----------------
5943 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
5944 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
5945 dnl option.
5946 dnl
5947 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
5948 dnl If missing, use "rel".
5949 define([CF_SHARED_SONAME],
5950 [
5951         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
5952         if test "$cf_cv_shlib_version" = rel; then
5953                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
5954         else
5955                 cf_cv_shared_soname='`basename $[@]`'
5956         fi
5957 ])
5958 dnl ---------------------------------------------------------------------------
5959 dnl CF_SIGWINCH version: 1 updated: 2006/04/02 16:41:09
5960 dnl -----------
5961 dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
5962 dnl programs need this test).
5963 dnl
5964 dnl This is really a MacOS X 10.4.3 workaround.  Defining _POSIX_C_SOURCE
5965 dnl forces SIGWINCH to be undefined (breaks xterm, ncurses).  Oddly, the struct
5966 dnl winsize declaration is left alone - we may revisit this if Apple choose to
5967 dnl break that part of the interface as well.
5968 AC_DEFUN([CF_SIGWINCH],
5969 [
5970 AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
5971         AC_TRY_COMPILE([
5972 #include <sys/types.h>
5973 #include <sys/signal.h>
5974 ],[int x = SIGWINCH],
5975         [cf_cv_define_sigwinch=yes],
5976         [AC_TRY_COMPILE([
5977 #undef _XOPEN_SOURCE
5978 #undef _POSIX_SOURCE
5979 #undef _POSIX_C_SOURCE
5980 #include <sys/types.h>
5981 #include <sys/signal.h>
5982 ],[int x = SIGWINCH],
5983         [cf_cv_define_sigwinch=maybe],
5984         [cf_cv_define_sigwinch=no])
5985 ])
5986 ])
5987
5988 if test "$cf_cv_define_sigwinch" = maybe ; then
5989 AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[
5990 cf_cv_fixup_sigwinch=unknown
5991 cf_sigwinch=32
5992 while test $cf_sigwinch != 1
5993 do
5994         AC_TRY_COMPILE([
5995 #undef _XOPEN_SOURCE
5996 #undef _POSIX_SOURCE
5997 #undef _POSIX_C_SOURCE
5998 #include <sys/types.h>
5999 #include <sys/signal.h>
6000 ],[
6001 #if SIGWINCH != $cf_sigwinch
6002 make an error
6003 #endif
6004 int x = SIGWINCH],
6005         [cf_cv_fixup_sigwinch=$cf_sigwinch
6006          break])
6007
6008 cf_sigwinch=`expr $cf_sigwinch - 1`
6009 done
6010 ])
6011
6012         if test "$cf_cv_fixup_sigwinch" != unknown ; then
6013                 CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch"
6014         fi
6015 fi
6016 ])dnl
6017 dnl ---------------------------------------------------------------------------
6018 dnl CF_SIG_ATOMIC_T version: 3 updated: 2012/10/04 20:12:20
6019 dnl ---------------
6020 dnl signal handler, but there are some gcc depedencies in that recommendation.
6021 dnl Try anyway.
6022 AC_DEFUN([CF_SIG_ATOMIC_T],
6023 [
6024 AC_MSG_CHECKING(for signal global datatype)
6025 AC_CACHE_VAL(cf_cv_sig_atomic_t,[
6026         for cf_type in \
6027                 "volatile sig_atomic_t" \
6028                 "sig_atomic_t" \
6029                 "int"
6030         do
6031         AC_TRY_COMPILE([
6032 #include <sys/types.h>
6033 #include <signal.h>
6034 #include <stdio.h>
6035
6036 extern $cf_type x;
6037 $cf_type x;
6038 static void handler(int sig)
6039 {
6040         x = 5;
6041 }],
6042                 [signal(SIGINT, handler);
6043                  x = 1],
6044                 [cf_cv_sig_atomic_t=$cf_type],
6045                 [cf_cv_sig_atomic_t=no])
6046                 test "$cf_cv_sig_atomic_t" != no && break
6047         done
6048         ])
6049 AC_MSG_RESULT($cf_cv_sig_atomic_t)
6050 test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t,[Define to signal global datatype])
6051 ])dnl
6052 dnl ---------------------------------------------------------------------------
6053 dnl CF_SIZECHANGE version: 11 updated: 2015/04/18 08:56:57
6054 dnl -------------
6055 dnl Check for definitions & structures needed for window size-changing
6056 dnl FIXME: check that this works with "snake" (HP-UX 10.x)
6057 AC_DEFUN([CF_SIZECHANGE],
6058 [
6059 AC_REQUIRE([CF_STRUCT_TERMIOS])
6060 AC_CACHE_CHECK(declaration of size-change, cf_cv_sizechange,[
6061         cf_cv_sizechange=unknown
6062         cf_save_CPPFLAGS="$CPPFLAGS"
6063
6064 for cf_opts in "" "NEED_PTEM_H"
6065 do
6066
6067         CPPFLAGS="$cf_save_CPPFLAGS"
6068         test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts"
6069         AC_TRY_COMPILE([#include <sys/types.h>
6070 #ifdef HAVE_TERMIOS_H
6071 #include <termios.h>
6072 #else
6073 #ifdef HAVE_TERMIO_H
6074 #include <termio.h>
6075 #endif
6076 #endif
6077 #ifdef NEED_PTEM_H
6078 /* This is a workaround for SCO:  they neglected to define struct winsize in
6079  * termios.h -- it's only in termio.h and ptem.h
6080  */
6081 #include        <sys/stream.h>
6082 #include        <sys/ptem.h>
6083 #endif
6084 #if !defined(sun) || !defined(HAVE_TERMIOS_H)
6085 #include <sys/ioctl.h>
6086 #endif
6087 ],[
6088 #ifdef TIOCGSIZE
6089         struct ttysize win;     /* FIXME: what system is this? */
6090         int y = win.ts_lines;
6091         int x = win.ts_cols;
6092 #else
6093 #ifdef TIOCGWINSZ
6094         struct winsize win;
6095         int y = win.ws_row;
6096         int x = win.ws_col;
6097 #else
6098         no TIOCGSIZE or TIOCGWINSZ
6099 #endif /* TIOCGWINSZ */
6100 #endif /* TIOCGSIZE */
6101         ],
6102         [cf_cv_sizechange=yes],
6103         [cf_cv_sizechange=no])
6104
6105         CPPFLAGS="$cf_save_CPPFLAGS"
6106         if test "$cf_cv_sizechange" = yes ; then
6107                 echo "size-change succeeded ($cf_opts)" >&AC_FD_CC
6108                 test -n "$cf_opts" && cf_cv_sizechange="$cf_opts"
6109                 break
6110         fi
6111 done
6112 ])
6113 if test "$cf_cv_sizechange" != no ; then
6114         AC_DEFINE(HAVE_SIZECHANGE,1,[Define to 1 if sizechar declarations are provided])
6115         case $cf_cv_sizechange in
6116         (NEED*)
6117                 AC_DEFINE_UNQUOTED($cf_cv_sizechange )
6118                 ;;
6119         esac
6120 fi
6121 ])dnl
6122 dnl ---------------------------------------------------------------------------
6123 dnl CF_SRC_MODULES version: 29 updated: 2015/04/12 11:42:01
6124 dnl --------------
6125 dnl For each parameter, test if the source-directory exists, and if it contains
6126 dnl a 'modules' file.  If so, add to the list $cf_cv_src_modules which we'll
6127 dnl use in CF_LIB_RULES.
6128 dnl
6129 dnl This uses the configured value to make the lists SRC_SUBDIRS and
6130 dnl SUB_MAKEFILES which are used in the makefile-generation scheme.
6131 AC_DEFUN([CF_SRC_MODULES],
6132 [
6133 AC_MSG_CHECKING(for src modules)
6134
6135 # dependencies and linker-arguments for test-programs
6136 TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEPS"
6137 TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEP2"
6138 if test "$DFT_LWR_MODEL" = "libtool"; then
6139         TEST_ARGS="${TEST_DEPS}"
6140         TEST_ARG2="${TEST_DEP2}"
6141 else
6142         TEST_ARGS="-l${LIB_NAME}${USE_ARG_SUFFIX} $TEST_ARGS"
6143         TEST_ARG2="-l${LIB_NAME}${USE_ARG_SUFFIX} $TEST_ARG2"
6144 fi
6145
6146 PC_MODULES_TO_MAKE="ncurses${USE_ARG_SUFFIX}"
6147 cf_cv_src_modules=
6148 for cf_dir in $1
6149 do
6150         if test -f $srcdir/$cf_dir/modules; then
6151
6152                 # We may/may not have tack in the distribution, though the
6153                 # makefile is.
6154                 if test $cf_dir = tack ; then
6155                         if test ! -f $srcdir/${cf_dir}/${cf_dir}.h; then
6156                                 continue
6157                         fi
6158                 fi
6159
6160                 if test -z "$cf_cv_src_modules"; then
6161                         cf_cv_src_modules=$cf_dir
6162                 else
6163                         cf_cv_src_modules="$cf_cv_src_modules $cf_dir"
6164                 fi
6165
6166                 # Make the ncurses_cfg.h file record the library interface files as
6167                 # well.  These are header files that are the same name as their
6168                 # directory.  Ncurses is the only library that does not follow
6169                 # that pattern.
6170                 if test $cf_dir = tack ; then
6171                         continue
6172                 elif test -f $srcdir/${cf_dir}/${cf_dir}.h; then
6173                         CF_UPPER(cf_have_include,$cf_dir)
6174                         AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H)
6175                         AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include})
6176                         TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS"
6177                         TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEP2"
6178                         if test "$DFT_LWR_MODEL" = "libtool"; then
6179                                 TEST_ARGS="${TEST_DEPS}"
6180                                 TEST_ARG2="${TEST_DEP2}"
6181                         else
6182                                 TEST_ARGS="-l${cf_dir}${USE_ARG_SUFFIX} $TEST_ARGS"
6183                                 TEST_ARG2="-l${cf_dir}${USE_ARG_SUFFIX} $TEST_ARG2"
6184                         fi
6185                         PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ${cf_dir}${USE_ARG_SUFFIX}"
6186                 fi
6187         fi
6188 done
6189 AC_MSG_RESULT($cf_cv_src_modules)
6190
6191 TEST_ARGS="-L${LIB_DIR} $TEST_ARGS"
6192 TEST_ARG2="-L${LIB_2ND} $TEST_ARG2"
6193
6194 AC_SUBST(TEST_ARGS)
6195 AC_SUBST(TEST_DEPS)
6196
6197 AC_SUBST(TEST_ARG2)
6198 AC_SUBST(TEST_DEP2)
6199
6200 SRC_SUBDIRS=
6201 if test "x$cf_with_manpages" != xno ; then
6202         SRC_SUBDIRS="$SRC_SUBDIRS man"
6203 fi
6204 SRC_SUBDIRS="$SRC_SUBDIRS include"
6205 for cf_dir in $cf_cv_src_modules
6206 do
6207         SRC_SUBDIRS="$SRC_SUBDIRS $cf_dir"
6208 done
6209 if test "x$cf_with_tests" != "xno" ; then
6210         SRC_SUBDIRS="$SRC_SUBDIRS test"
6211 fi
6212 # always make this, to install the ncurses-config script
6213 SRC_SUBDIRS="$SRC_SUBDIRS misc"
6214 if test "$cf_with_cxx_binding" != no; then
6215         PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ncurses++${USE_ARG_SUFFIX}"
6216         SRC_SUBDIRS="$SRC_SUBDIRS c++"
6217 fi
6218
6219 test "x$with_termlib" != xno && PC_MODULES_TO_MAKE="$PC_MODULES_TO_MAKE $TINFO_ARG_SUFFIX"
6220 test "x$with_ticlib" != xno && PC_MODULES_TO_MAKE="$PC_MODULES_TO_MAKE $TICS_ARG_SUFFIX"
6221
6222 AC_SUBST(PC_MODULES_TO_MAKE)
6223
6224 ADA_SUBDIRS=
6225 if test "x$cf_with_ada" = "xyes" && test "x$cf_cv_prog_gnat_correct" = xyes && test -f $srcdir/Ada95/Makefile.in; then
6226         SRC_SUBDIRS="$SRC_SUBDIRS Ada95"
6227         ADA_SUBDIRS="gen src"
6228         if test "x$cf_with_tests" != "xno" ; then
6229                 ADA_SUBDIRS="$ADA_SUBDIRS samples"
6230         fi
6231 fi
6232
6233 SUB_MAKEFILES=
6234 for cf_dir in $SRC_SUBDIRS
6235 do
6236         SUB_MAKEFILES="$SUB_MAKEFILES $cf_dir/Makefile"
6237 done
6238
6239 if test -n "$ADA_SUBDIRS"; then
6240         for cf_dir in $ADA_SUBDIRS
6241         do
6242                 SUB_MAKEFILES="$SUB_MAKEFILES Ada95/$cf_dir/Makefile"
6243         done
6244         AC_SUBST(ADA_SUBDIRS)
6245 fi
6246 ])dnl
6247 dnl ---------------------------------------------------------------------------
6248 dnl CF_STDCPP_LIBRARY version: 8 updated: 2015/04/17 21:13:04
6249 dnl -----------------
6250 dnl Check for -lstdc++, which is GNU's standard C++ library.
6251 AC_DEFUN([CF_STDCPP_LIBRARY],
6252 [
6253 if test -n "$GXX" ; then
6254 case $cf_cv_system_name in
6255 (os2*)
6256         cf_stdcpp_libname=stdcpp
6257         ;;
6258 (*)
6259         cf_stdcpp_libname=stdc++
6260         ;;
6261 esac
6262 AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
6263         cf_save="$LIBS"
6264         CF_ADD_LIB($cf_stdcpp_libname)
6265 AC_TRY_LINK([
6266 #include <strstream.h>],[
6267 char buf[80];
6268 strstreambuf foo(buf, sizeof(buf))
6269 ],
6270         [cf_cv_libstdcpp=yes],
6271         [cf_cv_libstdcpp=no])
6272         LIBS="$cf_save"
6273 ])
6274 test "$cf_cv_libstdcpp" = yes && CF_ADD_LIB($cf_stdcpp_libname,CXXLIBS)
6275 fi
6276 ])dnl
6277 dnl ---------------------------------------------------------------------------
6278 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
6279 dnl --------------
6280 dnl     Remove "-g" option from the compiler options
6281 AC_DEFUN([CF_STRIP_G_OPT],
6282 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
6283 dnl ---------------------------------------------------------------------------
6284 dnl CF_STRUCT_SIGACTION version: 5 updated: 2012/10/06 17:56:13
6285 dnl -------------------
6286 dnl Check if we need _POSIX_SOURCE defined to use struct sigaction.  We'll only
6287 dnl do this if we've found the sigaction function.
6288 AC_DEFUN([CF_STRUCT_SIGACTION],[
6289 AC_REQUIRE([CF_XOPEN_SOURCE])
6290
6291 if test "$ac_cv_func_sigaction" = yes; then
6292 AC_MSG_CHECKING(whether sigaction needs _POSIX_SOURCE)
6293 AC_TRY_COMPILE([
6294 #include <sys/types.h>
6295 #include <signal.h>],
6296         [struct sigaction act],
6297         [sigact_bad=no],
6298         [
6299 AC_TRY_COMPILE([
6300 #define _POSIX_SOURCE
6301 #include <sys/types.h>
6302 #include <signal.h>],
6303         [struct sigaction act],
6304         [sigact_bad=yes
6305          AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE])],
6306          [sigact_bad=unknown])])
6307 AC_MSG_RESULT($sigact_bad)
6308 fi
6309 ])dnl
6310 dnl ---------------------------------------------------------------------------
6311 dnl CF_STRUCT_TERMIOS version: 8 updated: 2015/04/15 19:08:48
6312 dnl -----------------
6313 dnl Some machines require _POSIX_SOURCE to completely define struct termios.
6314 AC_DEFUN([CF_STRUCT_TERMIOS],[
6315 AC_REQUIRE([CF_XOPEN_SOURCE])
6316
6317 AC_CHECK_HEADERS( \
6318 termio.h \
6319 termios.h \
6320 unistd.h \
6321 )
6322
6323 if test "$ISC" = yes ; then
6324         AC_CHECK_HEADERS( sys/termio.h )
6325 fi
6326 if test "$ac_cv_header_termios_h" = yes ; then
6327         case "$CFLAGS $CPPFLAGS" in
6328         (*-D_POSIX_SOURCE*)
6329                 termios_bad=dunno ;;
6330         (*)     termios_bad=maybe ;;
6331         esac
6332         if test "$termios_bad" = maybe ; then
6333         AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
6334         AC_TRY_COMPILE([#include <termios.h>],
6335                 [struct termios foo; int x = foo.c_iflag],
6336                 termios_bad=no, [
6337                 AC_TRY_COMPILE([
6338 #define _POSIX_SOURCE
6339 #include <termios.h>],
6340                         [struct termios foo; int x = foo.c_iflag],
6341                         termios_bad=unknown,
6342                         termios_bad=yes AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE]))
6343                         ])
6344         AC_MSG_RESULT($termios_bad)
6345         fi
6346 fi
6347 ])dnl
6348 dnl ---------------------------------------------------------------------------
6349 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
6350 dnl --------------
6351 dnl Construct a search-list for a nonstandard header/lib-file
6352 dnl     $1 = the variable to return as result
6353 dnl     $2 = the package name
6354 dnl     $3 = the subdirectory, e.g., bin, include or lib
6355 AC_DEFUN([CF_SUBDIR_PATH],
6356 [
6357 $1=
6358
6359 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
6360
6361 for cf_subdir_prefix in \
6362         /usr \
6363         /usr/local \
6364         /usr/pkg \
6365         /opt \
6366         /opt/local \
6367         [$]HOME
6368 do
6369         CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
6370 done
6371 ])dnl
6372 dnl ---------------------------------------------------------------------------
6373 dnl CF_SUBST_IF version: 2 updated: 2006/06/17 12:33:03
6374 dnl -----------
6375 dnl     Shorthand macro for substituting things that the user may override
6376 dnl     with an environment variable.
6377 dnl
6378 dnl     $1 = condition to pass to "test"
6379 dnl     $2 = environment variable
6380 dnl     $3 = value if the test succeeds
6381 dnl     $4 = value if the test fails
6382 AC_DEFUN([CF_SUBST_IF],
6383 [
6384 if test $1 ; then
6385         $2=$3
6386 ifelse($4,,,[else
6387         $2=$4])
6388 fi
6389 AC_SUBST($2)
6390 ])dnl
6391 dnl ---------------------------------------------------------------------------
6392 dnl CF_SUBST_NCURSES_VERSION version: 8 updated: 2006/09/16 11:40:59
6393 dnl ------------------------
6394 dnl Get the version-number for use in shared-library naming, etc.
6395 AC_DEFUN([CF_SUBST_NCURSES_VERSION],
6396 [
6397 AC_REQUIRE([CF_PROG_EGREP])
6398 NCURSES_MAJOR="`$ac_cv_prog_egrep '^NCURSES_MAJOR[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
6399 NCURSES_MINOR="`$ac_cv_prog_egrep '^NCURSES_MINOR[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
6400 NCURSES_PATCH="`$ac_cv_prog_egrep '^NCURSES_PATCH[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
6401 cf_cv_abi_version=${NCURSES_MAJOR}
6402 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
6403 dnl Show the computed version, for logging
6404 cf_cv_timestamp=`date`
6405 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
6406 dnl We need these values in the generated headers
6407 AC_SUBST(NCURSES_MAJOR)
6408 AC_SUBST(NCURSES_MINOR)
6409 AC_SUBST(NCURSES_PATCH)
6410 dnl We need these values in the generated makefiles
6411 AC_SUBST(cf_cv_rel_version)
6412 AC_SUBST(cf_cv_abi_version)
6413 AC_SUBST(cf_cv_builtin_bool)
6414 AC_SUBST(cf_cv_header_stdbool_h)
6415 AC_SUBST(cf_cv_type_of_bool)dnl
6416 ])dnl
6417 dnl ---------------------------------------------------------------------------
6418 dnl CF_SYS_TIME_SELECT version: 6 updated: 2015/04/18 08:56:57
6419 dnl ------------------
6420 dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
6421 dnl older SCO configurations.
6422 AC_DEFUN([CF_SYS_TIME_SELECT],
6423 [
6424 AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
6425 AC_CACHE_VAL(cf_cv_sys_time_select,[
6426 AC_TRY_COMPILE([
6427 #include <sys/types.h>
6428 #ifdef HAVE_SYS_TIME_H
6429 #include <sys/time.h>
6430 #endif
6431 #ifdef HAVE_SYS_SELECT_H
6432 #include <sys/select.h>
6433 #endif
6434 ],[],[cf_cv_sys_time_select=yes],
6435          [cf_cv_sys_time_select=no])
6436          ])
6437 AC_MSG_RESULT($cf_cv_sys_time_select)
6438 test "$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>])
6439 ])dnl
6440 dnl ---------------------------------------------------------------------------
6441 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
6442 dnl ---------------
6443 dnl Define a top_builddir symbol, for applications that need an absolute path.
6444 AC_DEFUN([CF_TOP_BUILDDIR],
6445 [
6446 top_builddir=ifelse($1,,`pwd`,$1)
6447 AC_SUBST(top_builddir)
6448 ])dnl
6449 dnl ---------------------------------------------------------------------------
6450 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
6451 dnl -------------------
6452 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
6453 dnl can define it successfully.
6454 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
6455 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
6456         AC_TRY_COMPILE([
6457 #include <stdlib.h>
6458 #include <string.h>
6459 #include <sys/types.h>
6460 ],[
6461 #ifndef _XOPEN_SOURCE
6462 make an error
6463 #endif],
6464         [cf_cv_xopen_source=no],
6465         [cf_save="$CPPFLAGS"
6466          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
6467          AC_TRY_COMPILE([
6468 #include <stdlib.h>
6469 #include <string.h>
6470 #include <sys/types.h>
6471 ],[
6472 #ifdef _XOPEN_SOURCE
6473 make an error
6474 #endif],
6475         [cf_cv_xopen_source=no],
6476         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
6477         CPPFLAGS="$cf_save"
6478         ])
6479 ])
6480
6481 if test "$cf_cv_xopen_source" != no ; then
6482         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
6483         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
6484         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
6485         CF_ADD_CFLAGS($cf_temp_xopen_source)
6486 fi
6487 ])
6488 dnl ---------------------------------------------------------------------------
6489 dnl CF_TYPEOF_CHTYPE version: 9 updated: 2012/10/06 17:56:13
6490 dnl ----------------
6491 dnl Determine the type we should use for chtype (and attr_t, which is treated
6492 dnl as the same thing).  We want around 32 bits, so on most machines want a
6493 dnl long, but on newer 64-bit machines, probably want an int.  If we're using
6494 dnl wide characters, we have to have a type compatible with that, as well.
6495 AC_DEFUN([CF_TYPEOF_CHTYPE],
6496 [
6497 AC_MSG_CHECKING([for type of chtype])
6498 AC_CACHE_VAL(cf_cv_typeof_chtype,[
6499                 AC_TRY_RUN([
6500 #define WANT_BITS 31
6501 #include <stdio.h>
6502 int main()
6503 {
6504         FILE *fp = fopen("cf_test.out", "w");
6505         if (fp != 0) {
6506                 char *result = "long";
6507                 if (sizeof(unsigned long) > sizeof(unsigned int)) {
6508                         int n;
6509                         unsigned int x, y;
6510                         for (n = 0; n < WANT_BITS; n++) {
6511                                 x = (1 << n);
6512                                 y = (x >> n);
6513                                 if (y != 1 || x == 0) {
6514                                         x = 0;
6515                                         break;
6516                                 }
6517                         }
6518                         /*
6519                          * If x is nonzero, an int is big enough for the bits
6520                          * that we want.
6521                          */
6522                         result = (x != 0) ? "int" : "long";
6523                 }
6524                 fputs(result, fp);
6525                 fclose(fp);
6526         }
6527         ${cf_cv_main_return:-return}(0);
6528 }
6529                 ],
6530                 [cf_cv_typeof_chtype=`cat cf_test.out`],
6531                 [cf_cv_typeof_chtype=long],
6532                 [cf_cv_typeof_chtype=long])
6533                 rm -f cf_test.out
6534         ])
6535 AC_MSG_RESULT($cf_cv_typeof_chtype)
6536
6537 AC_SUBST(cf_cv_typeof_chtype)
6538 AC_DEFINE_UNQUOTED(TYPEOF_CHTYPE,$cf_cv_typeof_chtype,[Define to actual type if needed for chtype])
6539 ])dnl
6540 dnl ---------------------------------------------------------------------------
6541 dnl CF_TYPE_SIGACTION version: 4 updated: 2012/10/06 17:56:13
6542 dnl -----------------
6543 dnl
6544 AC_DEFUN([CF_TYPE_SIGACTION],
6545 [
6546 AC_MSG_CHECKING([for type sigaction_t])
6547 AC_CACHE_VAL(cf_cv_type_sigaction,[
6548         AC_TRY_COMPILE([
6549 #include <signal.h>],
6550                 [sigaction_t x],
6551                 [cf_cv_type_sigaction=yes],
6552                 [cf_cv_type_sigaction=no])])
6553 AC_MSG_RESULT($cf_cv_type_sigaction)
6554 test "$cf_cv_type_sigaction" = yes && AC_DEFINE(HAVE_TYPE_SIGACTION,1,[Define to 1 if we have the sigaction_t type])
6555 ])dnl
6556 dnl ---------------------------------------------------------------------------
6557 dnl CF_UNSIGNED_LITERALS version: 2 updated: 1998/02/07 22:10:16
6558 dnl --------------------
6559 dnl Test if the compiler supports 'U' and 'L' suffixes.  Only old compilers
6560 dnl won't, but they're still there.
6561 AC_DEFUN([CF_UNSIGNED_LITERALS],
6562 [
6563 AC_MSG_CHECKING([if unsigned literals are legal])
6564 AC_CACHE_VAL(cf_cv_unsigned_literals,[
6565         AC_TRY_COMPILE([],[long x = 1L + 1UL + 1U + 1],
6566                 [cf_cv_unsigned_literals=yes],
6567                 [cf_cv_unsigned_literals=no])
6568         ])
6569 AC_MSG_RESULT($cf_cv_unsigned_literals)
6570 ])dnl
6571 dnl ---------------------------------------------------------------------------
6572 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
6573 dnl --------
6574 dnl Make an uppercase version of a variable
6575 dnl $1=uppercase($2)
6576 AC_DEFUN([CF_UPPER],
6577 [
6578 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
6579 ])dnl
6580 dnl ---------------------------------------------------------------------------
6581 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
6582 dnl -----------
6583 dnl Check for multibyte support, and if not found, utf8 compatibility library
6584 AC_DEFUN([CF_UTF8_LIB],
6585 [
6586 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
6587         cf_save_LIBS="$LIBS"
6588         AC_TRY_LINK([
6589 #include <stdlib.h>],[putwc(0,0);],
6590         [cf_cv_utf8_lib=yes],
6591         [CF_FIND_LINKAGE([
6592 #include <libutf8.h>],[putwc(0,0);],utf8,
6593                 [cf_cv_utf8_lib=add-on],
6594                 [cf_cv_utf8_lib=no])
6595 ])])
6596
6597 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
6598 # ncurses/ncursesw:
6599 if test "$cf_cv_utf8_lib" = "add-on" ; then
6600         AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
6601         CF_ADD_INCDIR($cf_cv_header_path_utf8)
6602         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
6603         CF_ADD_LIBS($cf_cv_library_file_utf8)
6604 fi
6605 ])dnl
6606 dnl ---------------------------------------------------------------------------
6607 dnl CF_VA_COPY version: 3 updated: 2012/10/06 11:17:15
6608 dnl ----------
6609 dnl check for va_copy, part of stdarg.h
6610 dnl Also, workaround for glibc's __va_copy, by checking for both.
6611 AC_DEFUN([CF_VA_COPY],[
6612 AC_CACHE_CHECK(for va_copy, cf_cv_have_va_copy,[
6613 AC_TRY_LINK([
6614 #include <stdarg.h>
6615 ],[
6616         static va_list dst;
6617         static va_list src;
6618         va_copy(dst, src)],
6619         cf_cv_have_va_copy=yes,
6620         cf_cv_have_va_copy=no)])
6621
6622 test "$cf_cv_have_va_copy" = yes && AC_DEFINE(HAVE_VA_COPY,1,[Define to 1 if we have va_copy])
6623
6624 AC_CACHE_CHECK(for __va_copy, cf_cv_have___va_copy,[
6625 AC_TRY_LINK([
6626 #include <stdarg.h>
6627 ],[
6628         static va_list dst;
6629         static va_list src;
6630         __va_copy(dst, src)],
6631         cf_cv_have___va_copy=yes,
6632         cf_cv_have___va_copy=no)])
6633
6634 test "$cf_cv_have___va_copy" = yes && AC_DEFINE(HAVE___VA_COPY,1,[Define to 1 if we have __va_copy])
6635 ])
6636 dnl ---------------------------------------------------------------------------
6637 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
6638 dnl ----------
6639 dnl Use AC_VERBOSE w/o the warnings
6640 AC_DEFUN([CF_VERBOSE],
6641 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
6642 CF_MSG_LOG([$1])
6643 ])dnl
6644 dnl ---------------------------------------------------------------------------
6645 dnl CF_VERSION_INFO version: 7 updated: 2015/04/17 21:13:04
6646 dnl ---------------
6647 dnl Define several useful symbols derived from the VERSION file.  A separate
6648 dnl file is preferred to embedding the version numbers in various scripts.
6649 dnl (automake is a textbook-example of why the latter is a bad idea, but there
6650 dnl are others).
6651 dnl
6652 dnl The file contents are:
6653 dnl     libtool-version release-version patch-version
6654 dnl or
6655 dnl     release-version
6656 dnl where
6657 dnl     libtool-version (see ?) consists of 3 integers separated by '.'
6658 dnl     release-version consists of a major version and minor version
6659 dnl             separated by '.', optionally followed by a patch-version
6660 dnl             separated by '-'.  The minor version need not be an
6661 dnl             integer (but it is preferred).
6662 dnl     patch-version is an integer in the form yyyymmdd, so ifdef's and
6663 dnl             scripts can easily compare versions.
6664 dnl
6665 dnl If libtool is used, the first form is required, since CF_WITH_LIBTOOL
6666 dnl simply extracts the first field using 'cut -f1'.
6667 dnl
6668 dnl Optional parameters:
6669 dnl $1 = internal name for package
6670 dnl $2 = external name for package
6671 AC_DEFUN([CF_VERSION_INFO],
6672 [
6673 if test -f $srcdir/VERSION ; then
6674         AC_MSG_CHECKING(for package version)
6675
6676         # if there are not enough fields, cut returns the last one...
6677         cf_field1=`sed -e '2,$d' $srcdir/VERSION|cut -f1`
6678         cf_field2=`sed -e '2,$d' $srcdir/VERSION|cut -f2`
6679         cf_field3=`sed -e '2,$d' $srcdir/VERSION|cut -f3`
6680
6681         # this is how CF_BUNDLED_INTL uses $VERSION:
6682         VERSION="$cf_field1"
6683
6684         VERSION_MAJOR=`echo "$cf_field2" | sed -e 's/\..*//'`
6685         test -z "$VERSION_MAJOR" && AC_MSG_ERROR(missing major-version)
6686
6687         VERSION_MINOR=`echo "$cf_field2" | sed -e 's/^[[^.]]*\.//' -e 's/-.*//'`
6688         test -z "$VERSION_MINOR" && AC_MSG_ERROR(missing minor-version)
6689
6690         AC_MSG_RESULT(${VERSION_MAJOR}.${VERSION_MINOR})
6691
6692         AC_MSG_CHECKING(for package patch date)
6693         VERSION_PATCH=`echo "$cf_field3" | sed -e 's/^[[^-]]*-//'`
6694         case .$VERSION_PATCH in
6695         (.)
6696                 AC_MSG_ERROR(missing patch-date $VERSION_PATCH)
6697                 ;;
6698         (.[[0-9]][[0-9]][[0-9]][[0-9]][[0-9]][[0-9]][[0-9]][[0-9]])
6699                 ;;
6700         (*)
6701                 AC_MSG_ERROR(illegal patch-date $VERSION_PATCH)
6702                 ;;
6703         esac
6704         AC_MSG_RESULT($VERSION_PATCH)
6705 else
6706         AC_MSG_ERROR(did not find $srcdir/VERSION)
6707 fi
6708
6709 # show the actual data that we have for versions:
6710 CF_VERBOSE(ABI VERSION $VERSION)
6711 CF_VERBOSE(VERSION_MAJOR $VERSION_MAJOR)
6712 CF_VERBOSE(VERSION_MINOR $VERSION_MINOR)
6713 CF_VERBOSE(VERSION_PATCH $VERSION_PATCH)
6714
6715 AC_SUBST(VERSION)
6716 AC_SUBST(VERSION_MAJOR)
6717 AC_SUBST(VERSION_MINOR)
6718 AC_SUBST(VERSION_PATCH)
6719
6720 dnl if a package name is given, define its corresponding version info.  We
6721 dnl need the package name to ensure that the defined symbols are unique.
6722 ifelse($1,,,[
6723         cf_PACKAGE=$1
6724         PACKAGE=ifelse($2,,$1,$2)
6725         AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE",[Define to the package-name])
6726         AC_SUBST(PACKAGE)
6727         CF_UPPER(cf_PACKAGE,$cf_PACKAGE)
6728         AC_DEFINE_UNQUOTED(${cf_PACKAGE}_VERSION,"${VERSION_MAJOR}.${VERSION_MINOR}")
6729         AC_DEFINE_UNQUOTED(${cf_PACKAGE}_PATCHDATE,${VERSION_PATCH})
6730 ])
6731 ])dnl
6732 dnl ---------------------------------------------------------------------------
6733 dnl CF_WCHAR_TYPE version: 4 updated: 2012/10/06 16:39:58
6734 dnl -------------
6735 dnl Check if type wide-character type $1 is declared, and if so, which header
6736 dnl file is needed.  The second parameter is used to set a shell variable when
6737 dnl the type is not found.  The first parameter sets a shell variable for the
6738 dnl opposite sense.
6739 AC_DEFUN([CF_WCHAR_TYPE],
6740 [
6741 # This is needed on Tru64 5.0 to declare $1
6742 AC_CACHE_CHECK(if we must include wchar.h to declare $1,cf_cv_$1,[
6743 AC_TRY_COMPILE([
6744 #include <stdlib.h>
6745 #include <stdarg.h>
6746 #include <stdio.h>
6747 #ifdef HAVE_LIBUTF8_H
6748 #include <libutf8.h>
6749 #endif],
6750         [$1 state],
6751         [cf_cv_$1=no],
6752         [AC_TRY_COMPILE([
6753 #include <stdlib.h>
6754 #include <stdarg.h>
6755 #include <stdio.h>
6756 #include <wchar.h>
6757 #ifdef HAVE_LIBUTF8_H
6758 #include <libutf8.h>
6759 #endif],
6760         [$1 value],
6761         [cf_cv_$1=yes],
6762         [cf_cv_$1=unknown])])])
6763
6764 if test "$cf_cv_$1" = yes ; then
6765         AC_DEFINE(NEED_WCHAR_H,1,[Define to 1 if we must include wchar.h])
6766         NEED_WCHAR_H=1
6767 fi
6768
6769 ifelse([$2],,,[
6770 # if we do not find $1 in either place, use substitution to provide a fallback.
6771 if test "$cf_cv_$1" = unknown ; then
6772         $2=1
6773 fi
6774 ])
6775 ifelse($3,,,[
6776 # if we find $1 in either place, use substitution to provide a fallback.
6777 if test "$cf_cv_$1" != unknown ; then
6778         $3=1
6779 fi
6780 ])
6781 ])dnl
6782 dnl ---------------------------------------------------------------------------
6783 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
6784 dnl ---------------
6785 dnl Check for compiler-support for weak symbols.
6786 dnl This works with "recent" gcc.
6787 AC_DEFUN([CF_WEAK_SYMBOLS],[
6788 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
6789
6790 AC_TRY_COMPILE([
6791 #include <stdio.h>],
6792 [
6793 #if defined(__GNUC__)
6794 #  if defined __USE_ISOC99
6795 #    define _cat_pragma(exp)    _Pragma(#exp)
6796 #    define _weak_pragma(exp)   _cat_pragma(weak name)
6797 #  else
6798 #    define _weak_pragma(exp)
6799 #  endif
6800 #  define _declare(name)        __extension__ extern __typeof__(name) name
6801 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
6802 #endif
6803
6804 weak_symbol(fopen);
6805 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
6806 ])
6807 ])dnl
6808 dnl ---------------------------------------------------------------------------
6809 dnl CF_WITH_ABI_VERSION version: 3 updated: 2015/06/06 16:10:11
6810 dnl -------------------
6811 dnl Allow library's ABI to be overridden.  Generally this happens when a
6812 dnl packager has incremented the ABI past that used in the original package,
6813 dnl and wishes to keep doing this.
6814 dnl
6815 dnl $1 is the package name, if any, to derive a corresponding {package}_ABI
6816 dnl symbol.
6817 AC_DEFUN([CF_WITH_ABI_VERSION],[
6818 test -z "$cf_cv_abi_version" && cf_cv_abi_version=0
6819 AC_ARG_WITH(abi-version,
6820 [  --with-abi-version=XXX  override derived ABI version],[
6821         if test "x$cf_cv_abi_version" != "x$withval"
6822         then
6823                 AC_MSG_WARN(overriding ABI version $cf_cv_abi_version to $withval)
6824                 case $cf_cv_rel_version in
6825                 (5.*)
6826                         cf_cv_rel_version=$withval.0
6827                         ;;
6828                 (6.*)
6829                         cf_cv_rel_version=$withval.9    # FIXME: should be 10 as of 6.0 release
6830                         ;;
6831                 esac
6832         fi
6833         cf_cv_abi_version=$withval])
6834         CF_NUMBER_SYNTAX($cf_cv_abi_version,ABI version)
6835 ifelse($1,,,[
6836 $1_ABI=$cf_cv_abi_version
6837 ])
6838 ])dnl
6839 dnl ---------------------------------------------------------------------------
6840 dnl CF_NCURSES_WITH_ABI_VERSION version: 1 updated: 2015/06/06 13:49:58
6841 dnl ---------------------------
6842 dnl CF_WITH_ABI_VERSION version: 1 updated: 2003/09/20 18:12:49
6843 dnl -------------------
6844 dnl Allow ncurses's ABI to be overridden.  Generally this happens when a
6845 dnl packager has incremented the ABI past that used in the original package,
6846 dnl and wishes to keep doing this.
6847 dnl
6848 dnl $1 is the package name, if any, to derive a corresponding {package}_ABI
6849 dnl symbol.
6850 AC_DEFUN([CF_NCURSES_WITH_ABI_VERSION],[
6851 CF_WITH_ABI_VERSION($1)
6852 if test "x$cf_cv_abi_version" != "x$with_abi_version"
6853 then
6854         case $cf_cv_rel_version in
6855         (5.*)
6856                 cf_cv_rel_version=$with_abi_version.0
6857                 ;;
6858         esac
6859 fi
6860 ])dnl
6861 dnl ---------------------------------------------------------------------------
6862 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
6863 dnl --------------------
6864 dnl Command-line option to specify the Ada95 compiler.
6865 AC_DEFUN([CF_WITH_ADA_COMPILER],[
6866 AC_MSG_CHECKING(for ada-compiler)
6867 AC_ARG_WITH(ada-compiler,
6868         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
6869         [cf_ada_compiler=$withval],
6870         [cf_ada_compiler=gnatmake])
6871 AC_SUBST(cf_ada_compiler)
6872 AC_MSG_RESULT($cf_ada_compiler)
6873 ])dnl
6874 dnl ---------------------------------------------------------------------------
6875 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
6876 dnl -------------------
6877 dnl Command-line option to specify where Ada includes will install.
6878 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
6879 AC_MSG_CHECKING(for ada-include)
6880 CF_WITH_PATH(ada-include,
6881    [  --with-ada-include=DIR  Ada includes are in DIR],
6882    ADA_INCLUDE,
6883    PREFIX/share/ada/adainclude,
6884    [$]prefix/share/ada/adainclude)
6885 AC_SUBST(ADA_INCLUDE)
6886 AC_MSG_RESULT($ADA_INCLUDE)
6887 ])dnl
6888 dnl ---------------------------------------------------------------------------
6889 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
6890 dnl -------------------
6891 dnl Command-line option to specify where Ada objects will install.
6892 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
6893 AC_MSG_CHECKING(for ada-objects)
6894 CF_WITH_PATH(ada-objects,
6895    [  --with-ada-objects=DIR  Ada objects are in DIR],
6896    ADA_OBJECTS,
6897    PREFIX/lib/ada/adalib,
6898    [$]prefix/lib/ada/adalib)
6899 AC_SUBST(ADA_OBJECTS)
6900 AC_MSG_RESULT($ADA_OBJECTS)
6901 ])dnl
6902 dnl ---------------------------------------------------------------------------
6903 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
6904 dnl ---------------------
6905 dnl Command-line option to specify if an Ada95 shared-library should be built,
6906 dnl and optionally what its soname should be.
6907 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
6908 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
6909 AC_ARG_WITH(ada-sharedlib,
6910         [  --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
6911         [with_ada_sharedlib=$withval],
6912         [with_ada_sharedlib=no])
6913 AC_MSG_RESULT($with_ada_sharedlib)
6914
6915 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
6916 MAKE_ADA_SHAREDLIB="#"
6917
6918 if test "x$with_ada_sharedlib" != xno
6919 then
6920         MAKE_ADA_SHAREDLIB=
6921         if test "x$with_ada_sharedlib" != xyes
6922         then
6923                 ADA_SHAREDLIB="$with_ada_sharedlib"
6924         fi
6925 fi
6926
6927 AC_SUBST(ADA_SHAREDLIB)
6928 AC_SUBST(MAKE_ADA_SHAREDLIB)
6929 ])dnl
6930 dnl ---------------------------------------------------------------------------
6931 dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
6932 dnl ----------------
6933 dnl Configure-option for dbmalloc.  The optional parameter is used to override
6934 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
6935 AC_DEFUN([CF_WITH_DBMALLOC],[
6936 CF_NO_LEAKS_OPTION(dbmalloc,
6937         [  --with-dbmalloc         test: use Conor Cahill's dbmalloc library],
6938         [USE_DBMALLOC])
6939
6940 if test "$with_dbmalloc" = yes ; then
6941         AC_CHECK_HEADER(dbmalloc.h,
6942                 [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
6943 fi
6944 ])dnl
6945 dnl ---------------------------------------------------------------------------
6946 dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
6947 dnl ---------------
6948 dnl Configure-option for dmalloc.  The optional parameter is used to override
6949 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
6950 AC_DEFUN([CF_WITH_DMALLOC],[
6951 CF_NO_LEAKS_OPTION(dmalloc,
6952         [  --with-dmalloc          test: use Gray Watson's dmalloc library],
6953         [USE_DMALLOC])
6954
6955 if test "$with_dmalloc" = yes ; then
6956         AC_CHECK_HEADER(dmalloc.h,
6957                 [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
6958 fi
6959 ])dnl
6960 dnl ---------------------------------------------------------------------------
6961 dnl CF_WITH_EXPORT_SYMS version: 3 updated: 2014/12/20 19:16:08
6962 dnl -------------------
6963 dnl Use this with libtool to specify the list of symbols that may be exported.
6964 dnl The input file contains one symbol per line; comments work with "#".
6965 dnl
6966 dnl $1 = basename of the ".sym" file (default $PACKAGE)
6967 AC_DEFUN([CF_WITH_EXPORT_SYMS],
6968 [
6969 AC_MSG_CHECKING(if exported-symbols file should be used)
6970 AC_ARG_WITH(export-syms,
6971         [  --with-export-syms=XXX  limit exported symbols using libtool],
6972         [with_export_syms=$withval],
6973         [with_export_syms=no])
6974 if test "x$with_export_syms" = xyes
6975 then
6976         with_export_syms='${top_srcdir}/package/ifelse($1,,${PACKAGE},[$1]).sym'
6977         AC_SUBST(PACKAGE)
6978 fi
6979 AC_MSG_RESULT($with_export_syms)
6980 if test "x$with_export_syms" != xno
6981 then
6982         EXPORT_SYMS="-export-symbols $with_export_syms"
6983         AC_SUBST(EXPORT_SYMS)
6984 fi
6985 ])dnl
6986 dnl ---------------------------------------------------------------------------
6987 dnl CF_WITH_GPM version: 8 updated: 2012/10/06 17:56:13
6988 dnl -----------
6989 dnl
6990 dnl The option parameter (if neither yes/no) is assumed to be the name of
6991 dnl the gpm library, e.g., for dynamic loading.
6992 AC_DEFUN([CF_WITH_GPM],
6993 [
6994 AC_MSG_CHECKING(if you want to link with the GPM mouse library)
6995 AC_ARG_WITH(gpm,
6996         [  --with-gpm              use Alessandro Rubini's GPM library],
6997         [with_gpm=$withval],
6998         [with_gpm=maybe])
6999 AC_MSG_RESULT($with_gpm)
7000
7001 if test "$with_gpm" != no ; then
7002         AC_CHECK_HEADER(gpm.h,[
7003                 AC_DEFINE(HAVE_GPM_H,1,[Define to 1 if we have gpm.h header])
7004                 if test "$with_gpm" != yes && test "$with_gpm" != maybe ; then
7005                         CF_VERBOSE(assuming we really have GPM library)
7006                         AC_DEFINE(HAVE_LIBGPM,1,[Define to 1 if we have the gpm library])
7007                 else
7008                         AC_CHECK_LIB(gpm,Gpm_Open,[:],[
7009                                 AC_MSG_ERROR(Cannot link with GPM library)
7010                 fi
7011                 with_gpm=yes
7012                 ])
7013         ],[
7014                 test "$with_gpm" != maybe && AC_MSG_WARN(Cannot find GPM header)
7015                 with_gpm=no
7016         ])
7017 fi
7018 ])
7019 dnl ---------------------------------------------------------------------------
7020 dnl CF_WITH_LIBTOOL version: 32 updated: 2015/04/17 21:13:04
7021 dnl ---------------
7022 dnl Provide a configure option to incorporate libtool.  Define several useful
7023 dnl symbols for the makefile rules.
7024 dnl
7025 dnl The reference to AC_PROG_LIBTOOL does not normally work, since it uses
7026 dnl macros from libtool.m4 which is in the aclocal directory of automake.
7027 dnl Following is a simple script which turns on the AC_PROG_LIBTOOL macro.
7028 dnl But that still does not work properly since the macro is expanded outside
7029 dnl the CF_WITH_LIBTOOL macro:
7030 dnl
7031 dnl     #!/bin/sh
7032 dnl     ACLOCAL=`aclocal --print-ac-dir`
7033 dnl     if test -z "$ACLOCAL" ; then
7034 dnl             echo cannot find aclocal directory
7035 dnl             exit 1
7036 dnl     elif test ! -f $ACLOCAL/libtool.m4 ; then
7037 dnl             echo cannot find libtool.m4 file
7038 dnl             exit 1
7039 dnl     fi
7040 dnl
7041 dnl     LOCAL=aclocal.m4
7042 dnl     ORIG=aclocal.m4.orig
7043 dnl
7044 dnl     trap "mv $ORIG $LOCAL" 0 1 2 5 15
7045 dnl     rm -f $ORIG
7046 dnl     mv $LOCAL $ORIG
7047 dnl
7048 dnl     # sed the LIBTOOL= assignment to omit the current directory?
7049 dnl     sed -e 's/^LIBTOOL=.*/LIBTOOL=${LIBTOOL:-libtool}/' $ACLOCAL/libtool.m4 >>$LOCAL
7050 dnl     cat $ORIG >>$LOCAL
7051 dnl
7052 dnl     autoconf-257 $*
7053 dnl
7054 AC_DEFUN([CF_WITH_LIBTOOL],
7055 [
7056 AC_REQUIRE([CF_DISABLE_LIBTOOL_VERSION])
7057 ifdef([AC_PROG_LIBTOOL],,[
7058 LIBTOOL=
7059 ])
7060 # common library maintenance symbols that are convenient for libtool scripts:
7061 LIB_CREATE='${AR} -cr'
7062 LIB_OBJECT='${OBJECTS}'
7063 LIB_SUFFIX=.a
7064 LIB_PREP="$RANLIB"
7065
7066 # symbols used to prop libtool up to enable it to determine what it should be
7067 # doing:
7068 LIB_CLEAN=
7069 LIB_COMPILE=
7070 LIB_LINK='${CC}'
7071 LIB_INSTALL=
7072 LIB_UNINSTALL=
7073
7074 AC_MSG_CHECKING(if you want to build libraries with libtool)
7075 AC_ARG_WITH(libtool,
7076         [  --with-libtool          generate libraries with libtool],
7077         [with_libtool=$withval],
7078         [with_libtool=no])
7079 AC_MSG_RESULT($with_libtool)
7080 if test "$with_libtool" != "no"; then
7081 ifdef([AC_PROG_LIBTOOL],[
7082         # missing_content_AC_PROG_LIBTOOL{{
7083         AC_PROG_LIBTOOL
7084         # missing_content_AC_PROG_LIBTOOL}}
7085 ],[
7086         if test "$with_libtool" != "yes" ; then
7087                 CF_PATH_SYNTAX(with_libtool)
7088                 LIBTOOL=$with_libtool
7089         else
7090                 AC_CHECK_TOOLS(LIBTOOL,[libtool glibtool],none)
7091                 CF_LIBTOOL_VERSION
7092                 if test -z "$cf_cv_libtool_version" && test "$LIBTOOL" = libtool
7093                 then
7094                         CF_FORGET_TOOL(LIBTOOL)
7095                         AC_CHECK_TOOLS(LIBTOOL,[glibtool],none)
7096                         CF_LIBTOOL_VERSION
7097                 fi
7098         fi
7099         if test -z "$LIBTOOL" ; then
7100                 AC_MSG_ERROR(Cannot find libtool)
7101         fi
7102 ])dnl
7103         LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} ${LIBTOOL_VERSION} `cut -f1 ${top_srcdir}/VERSION` ${LIBTOOL_OPTS} ${LT_UNDEF} $(LIBS) -o'
7104         LIB_OBJECT='${OBJECTS:.o=.lo}'
7105         LIB_SUFFIX=.la
7106         LIB_CLEAN='${LIBTOOL} --mode=clean'
7107         LIB_COMPILE='${LIBTOOL} --mode=compile'
7108         LIB_LINK='${LIBTOOL} --mode=link ${CC} ${LIBTOOL_OPTS}'
7109         LIB_INSTALL='${LIBTOOL} --mode=install'
7110         LIB_UNINSTALL='${LIBTOOL} --mode=uninstall'
7111         LIB_PREP=:
7112
7113         CF_CHECK_LIBTOOL_VERSION
7114
7115         # special hack to add -no-undefined (which libtool should do for itself)
7116         LT_UNDEF=
7117         case "$cf_cv_system_name" in
7118         (cygwin*|msys*|mingw32*|uwin*|aix[[4-7]])
7119                 LT_UNDEF=-no-undefined
7120                 ;;
7121         esac
7122         AC_SUBST([LT_UNDEF])
7123
7124         # special hack to add --tag option for C++ compiler
7125         case $cf_cv_libtool_version in
7126         (1.[[5-9]]*|[[2-9]].[[0-9.a-z]]*)
7127                 LIBTOOL_CXX="$LIBTOOL --tag=CXX"
7128                 LIBTOOL="$LIBTOOL --tag=CC"
7129                 ;;
7130         (*)
7131                 LIBTOOL_CXX="$LIBTOOL"
7132                 ;;
7133         esac
7134 else
7135         LIBTOOL=""
7136         LIBTOOL_CXX=""
7137 fi
7138
7139 test -z "$LIBTOOL" && ECHO_LT=
7140
7141 AC_SUBST(LIBTOOL)
7142 AC_SUBST(LIBTOOL_CXX)
7143 AC_SUBST(LIBTOOL_OPTS)
7144
7145 AC_SUBST(LIB_CREATE)
7146 AC_SUBST(LIB_OBJECT)
7147 AC_SUBST(LIB_SUFFIX)
7148 AC_SUBST(LIB_PREP)
7149
7150 AC_SUBST(LIB_CLEAN)
7151 AC_SUBST(LIB_COMPILE)
7152 AC_SUBST(LIB_LINK)
7153 AC_SUBST(LIB_INSTALL)
7154 AC_SUBST(LIB_UNINSTALL)
7155
7156 ])dnl
7157 dnl ---------------------------------------------------------------------------
7158 dnl CF_WITH_LIBTOOL_OPTS version: 4 updated: 2015/04/17 21:13:04
7159 dnl --------------------
7160 dnl Allow user to pass additional libtool options into the library creation
7161 dnl and link steps.  The main use for this is to do something like
7162 dnl     ./configure --with-libtool-opts=-static
7163 dnl to get the same behavior as automake-flavored
7164 dnl     ./configure --enable-static
7165 AC_DEFUN([CF_WITH_LIBTOOL_OPTS],[
7166 AC_MSG_CHECKING(for additional libtool options)
7167 AC_ARG_WITH(libtool-opts,
7168         [  --with-libtool-opts=XXX specify additional libtool options],
7169         [with_libtool_opts=$withval],
7170         [with_libtool_opts=no])
7171 AC_MSG_RESULT($with_libtool_opts)
7172
7173 case .$with_libtool_opts in
7174 (.yes|.no|.)
7175         ;;
7176 (*)
7177         LIBTOOL_OPTS="$LIBTOOL_OPTS $with_libtool_opts"
7178         ;;
7179 esac
7180
7181 AC_SUBST(LIBTOOL_OPTS)
7182 ])dnl
7183 dnl ---------------------------------------------------------------------------
7184 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
7185 dnl ------------------
7186 dnl Allow the library-prefix to be overridden.  OS/2 EMX originally had no
7187 dnl "lib" prefix, e.g., because it used the dll naming convention.
7188 dnl
7189 dnl $1 = variable to set
7190 AC_DEFUN([CF_WITH_LIB_PREFIX],
7191 [
7192 AC_MSG_CHECKING(if you want to have a library-prefix)
7193 AC_ARG_WITH(lib-prefix,
7194         [  --with-lib-prefix       override library-prefix],
7195         [with_lib_prefix=$withval],
7196         [with_lib_prefix=auto])
7197 AC_MSG_RESULT($with_lib_prefix)
7198
7199 if test $with_lib_prefix = auto
7200 then
7201         CF_LIB_PREFIX($1)
7202 elif test $with_lib_prefix = no
7203 then
7204         LIB_PREFIX=
7205 else
7206         LIB_PREFIX=$with_lib_prefix
7207 fi
7208 ])dnl
7209 dnl ---------------------------------------------------------------------------
7210 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
7211 dnl ------------
7212 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
7213 dnl defaulting to yes/no.
7214 dnl
7215 dnl $1 = option name
7216 dnl $2 = help-text
7217 dnl $3 = environment variable to set
7218 dnl $4 = default value, shown in the help-message, must be a constant
7219 dnl $5 = default value, if it's an expression & cannot be in the help-message
7220 dnl
7221 AC_DEFUN([CF_WITH_PATH],
7222 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
7223 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
7224 if ifelse([$5],,true,[test -n "$5"]) ; then
7225 CF_PATH_SYNTAX(withval)
7226 fi
7227 eval $3="$withval"
7228 AC_SUBST($3)dnl
7229 ])dnl
7230 dnl ---------------------------------------------------------------------------
7231 dnl CF_WITH_PATHLIST version: 10 updated: 2015/04/17 21:13:04
7232 dnl ----------------
7233 dnl Process an option specifying a list of colon-separated paths.
7234 dnl
7235 dnl $1 = option name
7236 dnl $2 = help-text
7237 dnl $3 = environment variable to set
7238 dnl $4 = default value, shown in the help-message, must be a constant
7239 dnl $5 = default value, if it's an expression & cannot be in the help-message
7240 dnl $6 = flag to tell if we want to define or substitute
7241 dnl
7242 AC_DEFUN([CF_WITH_PATHLIST],[
7243 AC_REQUIRE([CF_PATHSEP])
7244 AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
7245 ifelse($4,,[withval=${$3}],[withval=${$3:-ifelse($5,,$4,$5)}]))dnl
7246
7247 IFS="${IFS:-    }"; ac_save_ifs="$IFS"; IFS="${PATH_SEPARATOR}"
7248 cf_dst_path=
7249 for cf_src_path in $withval
7250 do
7251   CF_PATH_SYNTAX(cf_src_path)
7252   test -n "$cf_dst_path" && cf_dst_path="${cf_dst_path}$PATH_SEPARATOR"
7253   cf_dst_path="${cf_dst_path}${cf_src_path}"
7254 done
7255 IFS="$ac_save_ifs"
7256
7257 ifelse($6,define,[
7258 # Strip single quotes from the value, e.g., when it was supplied as a literal
7259 # for $4 or $5.
7260 case $cf_dst_path in
7261 (\'*)
7262   cf_dst_path=`echo $cf_dst_path |sed -e s/\'// -e s/\'\$//`
7263   ;;
7264 esac
7265 cf_dst_path=`echo "$cf_dst_path" | sed -e 's/\\\\/\\\\\\\\/g'`
7266 ])
7267
7268 # This may use the prefix/exec_prefix symbols which will only yield "NONE"
7269 # so we have to check/work around.  We do prefer the result of "eval"...
7270 eval cf_dst_eval="$cf_dst_path"
7271 case "x$cf_dst_eval" in
7272 (xNONE*)
7273         $3=$cf_dst_path
7274         ;;
7275 (*)
7276         $3="$cf_dst_eval"
7277         ;;
7278 esac
7279 AC_SUBST($3)dnl
7280
7281 ])dnl
7282 dnl ---------------------------------------------------------------------------
7283 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 9 updated: 2015/06/06 19:26:44
7284 dnl -------------------------
7285 dnl Allow the choice of the pkg-config library directory to be overridden.
7286 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
7287 if test "x$PKG_CONFIG" = xnone ; then
7288         PKG_CONFIG_LIBDIR=no
7289 else
7290         AC_MSG_CHECKING(for $PKG_CONFIG library directory)
7291         AC_ARG_WITH(pkg-config-libdir,
7292                 [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
7293                 [PKG_CONFIG_LIBDIR=$withval],
7294                 [PKG_CONFIG_LIBDIR=yes])
7295 fi
7296
7297 case x$PKG_CONFIG_LIBDIR in
7298 (x/*)
7299         ;;
7300 (xyes)
7301         # Look for the library directory using the same prefix as the executable
7302         if test "x$PKG_CONFIG" = xnone
7303         then
7304                 cf_path=$prefix
7305         else
7306                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
7307         fi
7308
7309         # If you don't like using the default architecture, you have to specify the
7310         # intended library directory and corresponding compiler/linker options.
7311         #
7312         # This case allows for Debian's 2014-flavor of multiarch, along with the
7313         # most common variations before that point.  Some other variants spell the
7314         # directory differently, e.g., "pkg-config", and put it in unusual places.
7315         # pkg-config has always been poorly standardized, which is ironic...
7316         case x`(arch) 2>/dev/null` in
7317         (*64)
7318                 cf_search_path="\
7319                         $cf_path/lib/*64-linux-gnu \
7320                         $cf_path/share \
7321                         $cf_path/lib64 \
7322                         $cf_path/lib32 \
7323                         $cf_path/lib"
7324                 ;;
7325         (*)
7326                 cf_search_path="\
7327                         $cf_path/lib/*-linux-gnu \
7328                         $cf_path/share \
7329                         $cf_path/lib32 \
7330                         $cf_path/lib \
7331                         $cf_path/libdata"
7332                 ;;
7333         esac
7334
7335         CF_VERBOSE(list...)
7336         for cf_config in $cf_search_path
7337         do
7338                 CF_VERBOSE(checking $cf_config/pkgconfig)
7339                 if test -d $cf_config/pkgconfig
7340                 then
7341                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
7342                         AC_MSG_CHECKING(done)
7343                         break
7344                 fi
7345         done
7346         ;;
7347 (*)
7348         ;;
7349 esac
7350
7351 if test "x$PKG_CONFIG" != xnone ; then
7352         AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
7353 fi
7354
7355 AC_SUBST(PKG_CONFIG_LIBDIR)
7356 ])dnl
7357 dnl ---------------------------------------------------------------------------
7358 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
7359 dnl ---------------
7360 dnl Check for POSIX thread library.
7361 AC_DEFUN([CF_WITH_PTHREAD],
7362 [
7363 AC_MSG_CHECKING(if you want to link with the pthread library)
7364 AC_ARG_WITH(pthread,
7365         [  --with-pthread          use POSIX thread library],
7366         [with_pthread=$withval],
7367         [with_pthread=no])
7368 AC_MSG_RESULT($with_pthread)
7369
7370 if test "$with_pthread" != no ; then
7371         AC_CHECK_HEADER(pthread.h,[
7372         AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
7373
7374         for cf_lib_pthread in pthread c_r
7375         do
7376             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
7377             cf_save_LIBS="$LIBS"
7378             CF_ADD_LIB($cf_lib_pthread)
7379             AC_TRY_LINK([
7380 #include <pthread.h>
7381 ],[
7382                 int rc = pthread_create(0,0,0,0);
7383                 int r2 = pthread_mutexattr_settype(0, 0);
7384 ],[with_pthread=yes],[with_pthread=no])
7385             LIBS="$cf_save_LIBS"
7386             AC_MSG_RESULT($with_pthread)
7387             test "$with_pthread" = yes && break
7388         done
7389
7390         if test "$with_pthread" = yes ; then
7391             CF_ADD_LIB($cf_lib_pthread)
7392             AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
7393         else
7394             AC_MSG_ERROR(Cannot link with pthread library)
7395         fi
7396         ])
7397 fi
7398 ])
7399 dnl ---------------------------------------------------------------------------
7400 dnl CF_WITH_REL_VERSION version: 1 updated: 2003/09/20 18:12:49
7401 dnl -------------------
7402 dnl Allow library's release-version to be overridden.  Generally this happens when a
7403 dnl packager has incremented the release-version past that used in the original package,
7404 dnl and wishes to keep doing this.
7405 dnl
7406 dnl $1 is the package name, if any, to derive corresponding {package}_MAJOR
7407 dnl and {package}_MINOR symbols
7408 dnl symbol.
7409 AC_DEFUN([CF_WITH_REL_VERSION],[
7410 test -z "$cf_cv_rel_version" && cf_cv_rel_version=0.0
7411 AC_ARG_WITH(rel-version,
7412 [  --with-rel-version=XXX  override derived release version],
7413 [AC_MSG_WARN(overriding release version $cf_cv_rel_version to $withval)
7414  cf_cv_rel_version=$withval])
7415 ifelse($1,,[
7416  CF_NUMBER_SYNTAX($cf_cv_rel_version,Release version)
7417 ],[
7418  $1_MAJOR=`echo "$cf_cv_rel_version" | sed -e 's/\..*//'`
7419  $1_MINOR=`echo "$cf_cv_rel_version" | sed -e 's/^[[^.]]*//' -e 's/^\.//' -e 's/\..*//'`
7420  CF_NUMBER_SYNTAX([$]$1_MAJOR,Release major-version)
7421  CF_NUMBER_SYNTAX([$]$1_MINOR,Release minor-version)
7422 ])
7423 ])dnl
7424 dnl ---------------------------------------------------------------------------
7425 dnl CF_WITH_SYSMOUSE version: 3 updated: 2012/10/06 17:56:13
7426 dnl ----------------
7427 dnl If we can compile with sysmouse, make it available unless it is not wanted.
7428 AC_DEFUN([CF_WITH_SYSMOUSE],[
7429 # not everyone has "test -c"
7430 if test -c /dev/sysmouse 2>/dev/null ; then
7431 AC_MSG_CHECKING(if you want to use sysmouse)
7432 AC_ARG_WITH(sysmouse,
7433         [  --with-sysmouse         use sysmouse (FreeBSD console)],
7434         [cf_with_sysmouse=$withval],
7435         [cf_with_sysmouse=maybe])
7436         if test "$cf_with_sysmouse" != no ; then
7437         AC_TRY_COMPILE([
7438 #include <osreldate.h>
7439 #if (__FreeBSD_version >= 400017)
7440 #include <sys/consio.h>
7441 #include <sys/fbio.h>
7442 #else
7443 #include <machine/console.h>
7444 #endif
7445 ],[
7446         struct mouse_info the_mouse;
7447         ioctl(0, CONS_MOUSECTL, &the_mouse);
7448 ],[cf_with_sysmouse=yes],[cf_with_sysmouse=no])
7449         fi
7450 AC_MSG_RESULT($cf_with_sysmouse)
7451 test "$cf_with_sysmouse" = yes && AC_DEFINE(USE_SYSMOUSE,1,[Define to 1 if we can/should use the sysmouse interface])
7452 fi
7453 ])dnl
7454 dnl ---------------------------------------------------------------------------
7455 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
7456 dnl ---------------
7457 dnl For testing, override the derived host system-type which is used to decide
7458 dnl things such as the linker commands used to build shared libraries.  This is
7459 dnl normally chosen automatically based on the type of system which you are
7460 dnl building on.  We use it for testing the configure script.
7461 dnl
7462 dnl This is different from the --host option: it is used only for testing parts
7463 dnl of the configure script which would not be reachable with --host since that
7464 dnl relies on the build environment being real, rather than mocked up.
7465 AC_DEFUN([CF_WITH_SYSTYPE],[
7466 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
7467 AC_ARG_WITH(system-type,
7468         [  --with-system-type=XXX  test: override derived host system-type],
7469 [AC_MSG_WARN(overriding system type to $withval)
7470         cf_cv_system_name=$withval
7471         host_os=$withval
7472 ])
7473 ])dnl
7474 dnl ---------------------------------------------------------------------------
7475 dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
7476 dnl ----------------
7477 AC_DEFUN([CF_WITH_VALGRIND],[
7478 CF_NO_LEAKS_OPTION(valgrind,
7479         [  --with-valgrind         test: use valgrind],
7480         [USE_VALGRIND])
7481 ])dnl
7482 dnl ---------------------------------------------------------------------------
7483 dnl CF_WITH_VERSIONED_SYMS version: 5 updated: 2015/04/17 21:13:04
7484 dnl ----------------------
7485 dnl Use this when building shared library with ELF, to markup symbols with the
7486 dnl version identifier from the given input file.  Generally that identifier is
7487 dnl the same as the SONAME at which the symbol was first introduced.
7488 dnl
7489 dnl $1 = basename of the ".map" file (default $PACKAGE)
7490 AC_DEFUN([CF_WITH_VERSIONED_SYMS],
7491 [
7492 AC_MSG_CHECKING(if versioned-symbols file should be used)
7493 AC_ARG_WITH(versioned-syms,
7494         [  --with-versioned-syms=X markup versioned symbols using ld],
7495         [with_versioned_syms=$withval],
7496         [with_versioned_syms=no])
7497 if test "x$with_versioned_syms" = xyes
7498 then
7499         with_versioned_syms='${top_srcdir}/package/ifelse($1,,${PACKAGE},[$1]).map'
7500         AC_SUBST(PACKAGE)
7501 fi
7502 AC_MSG_RESULT($with_versioned_syms)
7503
7504 RESULTING_SYMS=
7505 VERSIONED_SYMS=
7506 WILDCARD_SYMS=
7507
7508 if test "x$with_versioned_syms" != xno
7509 then
7510         RESULTING_SYMS=$with_versioned_syms
7511         case "x$MK_SHARED_LIB" in
7512         (*-Wl,*)
7513                 VERSIONED_SYMS="-Wl,--version-script,\${RESULTING_SYMS}"
7514                 MK_SHARED_LIB=`echo "$MK_SHARED_LIB" | sed -e "s%-Wl,%\\[$]{VERSIONED_SYMS} -Wl,%"`
7515                 CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
7516                 ;;
7517         (*-dy\ *)
7518                 VERSIONED_SYMS="-Wl,-M,\${RESULTING_SYMS}"
7519                 MK_SHARED_LIB=`echo "$MK_SHARED_LIB" | sed -e "s%-dy%\\[$]{VERSIONED_SYMS} -dy%"`
7520                 CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
7521                 ;;
7522         (*)
7523                 AC_MSG_WARN(this system does not support versioned-symbols)
7524                 ;;
7525         esac
7526
7527         # Linux ld can selectively override scope, e.g., of symbols beginning with
7528         # "_" by first declaring some as global, and then using a wildcard to
7529         # declare the others as local.  Some other loaders cannot do this.  Check
7530         # by constructing a (very) simple shared library and inspecting its
7531         # symbols.
7532         if test "x$VERSIONED_SYMS" != "x"
7533         then
7534                 AC_MSG_CHECKING(if wildcards can be used to selectively omit symbols)
7535                 WILDCARD_SYMS=no
7536
7537                 # make sources
7538                 rm -f conftest.*
7539
7540                 cat >conftest.ver <<EOF
7541 module_1.0 {
7542 global:
7543         globalf1;
7544 local:
7545         localf1;
7546 };
7547 module_2.0 {
7548 global:
7549         globalf2;
7550 local:
7551         localf2;
7552         _*;
7553 } module_1.0;
7554 submodule_1.0 {
7555 global:
7556         subglobalf1;
7557         _ismissing;
7558 local:
7559         sublocalf1;
7560 };
7561 submodule_2.0 {
7562 global:
7563         subglobalf2;
7564 local:
7565         sublocalf2;
7566         _*;
7567 } submodule_1.0;
7568 EOF
7569                 cat >conftest.$ac_ext <<EOF
7570 #line __oline__ "configure"
7571 int     _ismissing(void) { return 1; }
7572 int     _localf1(void) { return 1; }
7573 int     _localf2(void) { return 2; }
7574 int     globalf1(void) { return 1; }
7575 int     globalf2(void) { return 2; }
7576 int     _sublocalf1(void) { return 1; }
7577 int     _sublocalf2(void) { return 2; }
7578 int     subglobalf1(void) { return 1; }
7579 int     subglobalf2(void) { return 2; }
7580 EOF
7581                 cat >conftest.mk <<EOF
7582 CC=${CC}
7583 CFLAGS=${CFLAGS}
7584 CPPFLAGS=${CPPFLAGS}
7585 LDFLAGS=${LDFLAGS}
7586 LIBS=${LIBS}
7587 VERSIONED_SYMS=${VERSIONED_SYMS}
7588 RESULTING_SYMS=conftest.ver
7589 MK_SHARED_LIB=${MK_SHARED_LIB}
7590 conftest.so: conftest.$ac_cv_objext
7591                 \$(MK_SHARED_LIB) conftest.$ac_cv_objext
7592 EOF
7593
7594                 # compile source, make library
7595                 if make -f conftest.mk 2>&AC_FD_CC >/dev/null
7596                 then
7597                         # test for missing symbol
7598                         cf_missing=`nm -P conftest.so 2>&AC_FD_CC |fgrep _ismissing | egrep '[[         ]]T[[   ]]'`
7599                         test -n "$cf_missing" && WILDCARD_SYMS=yes
7600                 fi
7601                 AC_MSG_RESULT($WILDCARD_SYMS)
7602                 rm -f conftest.*
7603         fi
7604 fi
7605 AC_SUBST(RESULTING_SYMS)
7606 AC_SUBST(VERSIONED_SYMS)
7607 AC_SUBST(WILDCARD_SYMS)
7608 ])dnl
7609 dnl ---------------------------------------------------------------------------
7610 dnl CF_XOPEN_SOURCE version: 49 updated: 2015/04/12 15:39:00
7611 dnl ---------------
7612 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
7613 dnl or adapt to the vendor's definitions to get equivalent functionality,
7614 dnl without losing the common non-POSIX features.
7615 dnl
7616 dnl Parameters:
7617 dnl     $1 is the nominal value for _XOPEN_SOURCE
7618 dnl     $2 is the nominal value for _POSIX_C_SOURCE
7619 AC_DEFUN([CF_XOPEN_SOURCE],[
7620 AC_REQUIRE([AC_CANONICAL_HOST])
7621
7622 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
7623 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
7624 cf_xopen_source=
7625
7626 case $host_os in
7627 (aix[[4-7]]*)
7628         cf_xopen_source="-D_ALL_SOURCE"
7629         ;;
7630 (cygwin|msys)
7631         cf_XOPEN_SOURCE=600
7632         ;;
7633 (darwin[[0-8]].*)
7634         cf_xopen_source="-D_APPLE_C_SOURCE"
7635         ;;
7636 (darwin*)
7637         cf_xopen_source="-D_DARWIN_C_SOURCE"
7638         cf_XOPEN_SOURCE=
7639         ;;
7640 (freebsd*|dragonfly*)
7641         # 5.x headers associate
7642         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
7643         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
7644         cf_POSIX_C_SOURCE=200112L
7645         cf_XOPEN_SOURCE=600
7646         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
7647         ;;
7648 (hpux11*)
7649         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
7650         ;;
7651 (hpux*)
7652         cf_xopen_source="-D_HPUX_SOURCE"
7653         ;;
7654 (irix[[56]].*)
7655         cf_xopen_source="-D_SGI_SOURCE"
7656         cf_XOPEN_SOURCE=
7657         ;;
7658 (linux*|gnu*|mint*|k*bsd*-gnu)
7659         CF_GNU_SOURCE
7660         ;;
7661 (minix*)
7662         cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
7663         ;;
7664 (mirbsd*)
7665         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
7666         cf_XOPEN_SOURCE=
7667         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
7668         ;;
7669 (netbsd*)
7670         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
7671         ;;
7672 (openbsd[[4-9]]*)
7673         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
7674         cf_xopen_source="-D_BSD_SOURCE"
7675         cf_XOPEN_SOURCE=600
7676         ;;
7677 (openbsd*)
7678         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
7679         ;;
7680 (osf[[45]]*)
7681         cf_xopen_source="-D_OSF_SOURCE"
7682         ;;
7683 (nto-qnx*)
7684         cf_xopen_source="-D_QNX_SOURCE"
7685         ;;
7686 (sco*)
7687         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
7688         ;;
7689 (solaris2.*)
7690         cf_xopen_source="-D__EXTENSIONS__"
7691         cf_cv_xopen_source=broken
7692         ;;
7693 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
7694         cf_XOPEN_SOURCE=
7695         cf_POSIX_C_SOURCE=
7696         ;;
7697 (*)
7698         CF_TRY_XOPEN_SOURCE
7699         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
7700         ;;
7701 esac
7702
7703 if test -n "$cf_xopen_source" ; then
7704         CF_ADD_CFLAGS($cf_xopen_source,true)
7705 fi
7706
7707 dnl In anything but the default case, we may have system-specific setting
7708 dnl which is still not guaranteed to provide all of the entrypoints that
7709 dnl _XOPEN_SOURCE would yield.
7710 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
7711         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
7712         AC_TRY_COMPILE([#include <stdlib.h>],[
7713 #ifndef _XOPEN_SOURCE
7714 make an error
7715 #endif],
7716         [cf_XOPEN_SOURCE_set=yes],
7717         [cf_XOPEN_SOURCE_set=no])
7718         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
7719         if test $cf_XOPEN_SOURCE_set = yes
7720         then
7721                 AC_TRY_COMPILE([#include <stdlib.h>],[
7722 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
7723 make an error
7724 #endif],
7725                 [cf_XOPEN_SOURCE_set_ok=yes],
7726                 [cf_XOPEN_SOURCE_set_ok=no])
7727                 if test $cf_XOPEN_SOURCE_set_ok = no
7728                 then
7729                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
7730                 fi
7731         else
7732                 CF_TRY_XOPEN_SOURCE
7733         fi
7734 fi
7735 ])