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 1.749 2015/05/26 01:05:07 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 $am_cv_langinfo_codeset = yes; then
  60                 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
  61                 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
  62         fi
  63 ])dnl
  64 dnl ---------------------------------------------------------------------------
  65 dnl CF_ABI_DEFAULTS version: 1 updated: 2015/05/02 17:21:13
  66 dnl ---------------
  67 dnl Provide configure-script defaults for different ncurses ABIs.
  68 AC_DEFUN([CF_ABI_DEFAULTS],[
  69 AC_REQUIRE([CF_WITH_ABI_VERSION])
  70 case x$cf_cv_abi_version in
  71 (x6)
  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_chtype=uint32_t
  78         cf_dft_mmask_t=uint32_t
  79         cf_dft_interop=yes
  80         cf_dft_tparm_arg=intptr_t
  81         ;;
  82 (*)
  83         cf_dft_ext_colors=no
  84         cf_dft_ext_const=no
  85         cf_dft_ext_mouse=no
  86         cf_dft_ext_putwin=no
  87         cf_dft_ext_spfuncs=no
  88         cf_dft_chtype=auto
  89         cf_dft_mmask_t=auto
  90         cf_dft_interop=no
  91         cf_dft_tparm_arg=long
  92         ;;
  93 esac
  94 ])dnl
  95 dnl ---------------------------------------------------------------------------
  96 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
  97 dnl ------------------
  98 dnl Conditionally generate script according to whether we're using a given autoconf.
  99 dnl
 100 dnl $1 = version to compare against
 101 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
 102 dnl $3 = code to use if AC_ACVERSION is older than $1.
 103 define([CF_ACVERSION_CHECK],
 104 [
 105 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
 106 ifdef([m4_version_compare],
 107 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
 108 [CF_ACVERSION_COMPARE(
 109 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
 110 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
 111 dnl ---------------------------------------------------------------------------
 112 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
 113 dnl --------------------
 114 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
 115 dnl                      MAJOR2, MINOR2, TERNARY2,
 116 dnl                      PRINTABLE2, not FOUND, FOUND)
 117 define([CF_ACVERSION_COMPARE],
 118 [ifelse(builtin([eval], [$2 < $5]), 1,
 119 [ifelse([$8], , ,[$8])],
 120 [ifelse([$9], , ,[$9])])])dnl
 121 dnl ---------------------------------------------------------------------------
 122 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
 123 dnl -------------------
 124 dnl Construct the list of include-options for the C programs in the Ada95
 125 dnl binding.
 126 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
 127 [
 128 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
 129 if test "$srcdir" != "."; then
 130         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
 131 fi
 132 if test "$GCC" != yes; then
 133         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 134 elif test "$includedir" != "/usr/include"; then
 135         if test "$includedir" = '${prefix}/include' ; then
 136                 if test x$prefix != x/usr ; then
 137                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 138                 fi
 139         else
 140                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 141         fi
 142 fi
 143 AC_SUBST(ACPPFLAGS)
 144 ])dnl
 145 dnl ---------------------------------------------------------------------------
 146 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
 147 dnl ---------------
 148 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
 149 AC_DEFUN([CF_ADD_ADAFLAGS],[
 150         ADAFLAGS="$ADAFLAGS $1"
 151         AC_SUBST(ADAFLAGS)
 152 ])dnl
 153 dnl ---------------------------------------------------------------------------
 154 dnl CF_ADD_CFLAGS version: 12 updated: 2015/04/12 15:39:00
 155 dnl -------------
 156 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 157 dnl The second parameter if given makes this macro verbose.
 158 dnl
 159 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
 160 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
 161 dnl confused by the quotes (which require backslashes to keep them usable).
 162 AC_DEFUN([CF_ADD_CFLAGS],
 163 [
 164 cf_fix_cppflags=no
 165 cf_new_cflags=
 166 cf_new_cppflags=
 167 cf_new_extra_cppflags=
 168
 169 for cf_add_cflags in $1
 170 do
 171 case $cf_fix_cppflags in
 172 (no)
 173         case $cf_add_cflags in
 174         (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
 175                 case $cf_add_cflags in
 176                 (-D*)
 177                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 178
 179                         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 180                                 && test -z "${cf_tst_cflags}" \
 181                                 && cf_fix_cppflags=yes
 182
 183                         if test $cf_fix_cppflags = yes ; then
 184                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 185                                 continue
 186                         elif test "${cf_tst_cflags}" = "\"'" ; then
 187                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 188                                 continue
 189                         fi
 190                         ;;
 191                 esac
 192                 case "$CPPFLAGS" in
 193                 (*$cf_add_cflags)
 194                         ;;
 195                 (*)
 196                         case $cf_add_cflags in
 197                         (-D*)
 198                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 199                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
 200                                 ;;
 201                         esac
 202                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
 203                         ;;
 204                 esac
 205                 ;;
 206         (*)
 207                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
 208                 ;;
 209         esac
 210         ;;
 211 (yes)
 212         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 213
 214         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
 215
 216         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 217                 && test -z "${cf_tst_cflags}" \
 218                 && cf_fix_cppflags=no
 219         ;;
 220 esac
 221 done
 222
 223 if test -n "$cf_new_cflags" ; then
 224         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
 225         CFLAGS="$CFLAGS $cf_new_cflags"
 226 fi
 227
 228 if test -n "$cf_new_cppflags" ; then
 229         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
 230         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
 231 fi
 232
 233 if test -n "$cf_new_extra_cppflags" ; then
 234         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
 235         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
 236 fi
 237
 238 AC_SUBST(EXTRA_CPPFLAGS)
 239
 240 ])dnl
 241 dnl ---------------------------------------------------------------------------
 242 dnl CF_ADD_INCDIR version: 14 updated: 2015/05/25 20:53:04
 243 dnl -------------
 244 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
 245 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
 246 dnl but old versions (and some misinstalled ones) need that.  To make things
 247 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
 248 dnl the include-path).
 249 AC_DEFUN([CF_ADD_INCDIR],
 250 [
 251 if test -n "$1" ; then
 252   for cf_add_incdir in $1
 253   do
 254         while test $cf_add_incdir != /usr/include
 255         do
 256           if test -d $cf_add_incdir
 257           then
 258                 cf_have_incdir=no
 259                 if test -n "$CFLAGS$CPPFLAGS" ; then
 260                   # a loop is needed to ensure we can add subdirs of existing dirs
 261                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
 262                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
 263                           cf_have_incdir=yes; break
 264                         fi
 265                   done
 266                 fi
 267
 268                 if test "$cf_have_incdir" = no ; then
 269                   if test "$cf_add_incdir" = /usr/local/include ; then
 270                         if test "$GCC" = yes
 271                         then
 272                           cf_save_CPPFLAGS=$CPPFLAGS
 273                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 274                           AC_TRY_COMPILE([#include <stdio.h>],
 275                                   [printf("Hello")],
 276                                   [],
 277                                   [cf_have_incdir=yes])
 278                           CPPFLAGS=$cf_save_CPPFLAGS
 279                         fi
 280                   fi
 281                 fi
 282
 283                 if test "$cf_have_incdir" = no ; then
 284                   CF_VERBOSE(adding $cf_add_incdir to include-path)
 285                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
 286
 287                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
 288                   test "$cf_top_incdir" = "$cf_add_incdir" && break
 289                   cf_add_incdir="$cf_top_incdir"
 290                 else
 291                   break
 292                 fi
 293           else
 294                 break
 295           fi
 296         done
 297   done
 298 fi
 299 ])dnl
 300 dnl ---------------------------------------------------------------------------
 301 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
 302 dnl ----------
 303 dnl Add a library, used to enforce consistency.
 304 dnl
 305 dnl $1 = library to add, without the "-l"
 306 dnl $2 = variable to update (default $LIBS)
 307 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
 308 dnl ---------------------------------------------------------------------------
 309 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
 310 dnl -------------
 311 dnl     Adds to the library-path
 312 dnl
 313 dnl     Some machines have trouble with multiple -L options.
 314 dnl
 315 dnl $1 is the (list of) directory(s) to add
 316 dnl $2 is the optional name of the variable to update (default LDFLAGS)
 317 dnl
 318 AC_DEFUN([CF_ADD_LIBDIR],
 319 [
 320 if test -n "$1" ; then
 321         for cf_add_libdir in $1
 322         do
 323                 if test $cf_add_libdir = /usr/lib ; then
 324                         :
 325                 elif test -d $cf_add_libdir
 326                 then
 327                         cf_have_libdir=no
 328                         if test -n "$LDFLAGS$LIBS" ; then
 329                                 # a loop is needed to ensure we can add subdirs of existing dirs
 330                                 for cf_test_libdir in $LDFLAGS $LIBS ; do
 331                                         if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
 332                                                 cf_have_libdir=yes; break
 333                                         fi
 334                                 done
 335                         fi
 336                         if test "$cf_have_libdir" = no ; then
 337                                 CF_VERBOSE(adding $cf_add_libdir to library-path)
 338                                 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
 339                         fi
 340                 fi
 341         done
 342 fi
 343 ])dnl
 344 dnl ---------------------------------------------------------------------------
 345 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
 346 dnl -----------
 347 dnl Add one or more libraries, used to enforce consistency.  Libraries are
 348 dnl prepended to an existing list, since their dependencies are assumed to
 349 dnl already exist in the list.
 350 dnl
 351 dnl $1 = libraries to add, with the "-l", etc.
 352 dnl $2 = variable to update (default $LIBS)
 353 AC_DEFUN([CF_ADD_LIBS],[
 354 cf_add_libs="$1"
 355 # Filter out duplicates - this happens with badly-designed ".pc" files...
 356 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
 357 do
 358         for cf_add_2lib in $cf_add_libs
 359         do
 360                 if test "x$cf_add_1lib" = "x$cf_add_2lib"
 361                 then
 362                         cf_add_1lib=
 363                         break
 364                 fi
 365         done
 366         test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
 367 done
 368 ifelse($2,,LIBS,[$2])="$cf_add_libs"
 369 ])dnl
 370 dnl ---------------------------------------------------------------------------
 371 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
 372 dnl ------------------
 373 dnl Append to a search-list for a nonstandard header/lib-file
 374 dnl     $1 = the variable to return as result
 375 dnl     $2 = the package name
 376 dnl     $3 = the subdirectory, e.g., bin, include or lib
 377 dnl $4 = the directory under which we will test for subdirectories
 378 dnl $5 = a directory that we do not want $4 to match
 379 AC_DEFUN([CF_ADD_SUBDIR_PATH],
 380 [
 381 test "x$4" != "x$5" && \
 382 test -d "$4" && \
 383 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
 384         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
 385         test -d $4/$3 &&          $1="[$]$1 $4/$3"
 386         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
 387         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
 388         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
 389         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
 390 }
 391 ])dnl
 392 dnl ---------------------------------------------------------------------------
 393 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 394 dnl --------------
 395 dnl Allow user to disable a normally-on option.
 396 AC_DEFUN([CF_ARG_DISABLE],
 397 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 398 dnl ---------------------------------------------------------------------------
 399 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
 400 dnl -------------
 401 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 402 dnl values.
 403 dnl
 404 dnl Parameters:
 405 dnl $1 = option name
 406 dnl $2 = help-string
 407 dnl $3 = action to perform if option is not default
 408 dnl $4 = action if perform if option is default
 409 dnl $5 = default option value (either 'yes' or 'no')
 410 AC_DEFUN([CF_ARG_OPTION],
 411 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 412         if test "$enableval" != "$5" ; then
 413 ifelse([$3],,[    :]dnl
 414 ,[    $3]) ifelse([$4],,,[
 415         else
 416                 $4])
 417         fi],[enableval=$5 ifelse([$4],,,[
 418         $4
 419 ])dnl
 420 ])])dnl
 421 dnl ---------------------------------------------------------------------------
 422 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
 423 dnl -----------
 424 dnl Check for suitable "ar" (archiver) options for updating an archive.
 425 AC_DEFUN([CF_AR_FLAGS],[
 426 AC_REQUIRE([CF_PROG_AR])
 427
 428 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 429         cf_cv_ar_flags=unknown
 430         for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
 431         do
 432
 433                 # check if $ARFLAGS already contains this choice
 434                 if test "x$ARFLAGS" != "x" ; then
 435                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 436                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 437                                 cf_cv_ar_flags=
 438                                 break
 439                         fi
 440                 fi
 441
 442                 rm -f conftest.$ac_cv_objext
 443                 rm -f conftest.a
 444
 445                 cat >conftest.$ac_ext <<EOF
 446 #line __oline__ "configure"
 447 int     testdata[[3]] = { 123, 456, 789 };
 448 EOF
 449                 if AC_TRY_EVAL(ac_compile) ; then
 450                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 451                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
 452                         if test -f conftest.a ; then
 453                                 cf_cv_ar_flags=$cf_ar_flags
 454                                 break
 455                         fi
 456                 else
 457                         CF_VERBOSE(cannot compile test-program)
 458                         break
 459                 fi
 460         done
 461         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 462 ])
 463
 464 if test -n "$ARFLAGS" ; then
 465         if test -n "$cf_cv_ar_flags" ; then
 466                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 467         fi
 468 else
 469         ARFLAGS=$cf_cv_ar_flags
 470 fi
 471
 472 AC_SUBST(ARFLAGS)
 473 ])
 474 dnl ---------------------------------------------------------------------------
 475 dnl CF_AWK_BIG_PRINTF version: 5 updated: 2015/04/17 21:13:04
 476 dnl -----------------
 477 dnl Check if awk can handle big strings using printf.  Some older versions of
 478 dnl awk choke on large strings passed via "%s".
 479 dnl
 480 dnl $1 = desired string size
 481 dnl $2 = variable to set with result
 482 AC_DEFUN([CF_AWK_BIG_PRINTF],
 483 [
 484         case x$AWK in
 485         (x)
 486                 eval $2=no
 487                 ;;
 488         (*)
 489                 if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \
 490                         | $AWK '{ printf "%d\n", length([$]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
 491                         eval $2=yes
 492                 else
 493                         eval $2=no
 494                 fi
 495                 ;;
 496         esac
 497 ])dnl
 498 dnl ---------------------------------------------------------------------------
 499 dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
 500 dnl ------------
 501 dnl Test if 'bool' is a builtin type in the configured C++ compiler.  Some
 502 dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
 503 dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
 504 dnl
 505 dnl Treat the configuration-variable specially here, since we're directly
 506 dnl substituting its value (i.e., 1/0).
 507 dnl
 508 dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
 509 AC_DEFUN([CF_BOOL_DECL],
 510 [
 511 AC_MSG_CHECKING(if we should include stdbool.h)
 512
 513 AC_CACHE_VAL(cf_cv_header_stdbool_h,[
 514         AC_TRY_COMPILE([],[bool foo = false],
 515                 [cf_cv_header_stdbool_h=0],
 516                 [AC_TRY_COMPILE([
 517 #ifndef __BEOS__
 518 #include <stdbool.h>
 519 #endif
 520 ],[bool foo = false],
 521                         [cf_cv_header_stdbool_h=1],
 522                         [cf_cv_header_stdbool_h=0])])])
 523
 524 if test "$cf_cv_header_stdbool_h" = 1
 525 then    AC_MSG_RESULT(yes)
 526 else    AC_MSG_RESULT(no)
 527 fi
 528
 529 AC_MSG_CHECKING([for builtin bool type])
 530
 531 AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
 532         AC_TRY_COMPILE([
 533 #include <stdio.h>
 534 #include <sys/types.h>
 535 ],[bool x = false],
 536                 [ifelse($1,,cf_cv_builtin_bool,[$1])=1],
 537                 [ifelse($1,,cf_cv_builtin_bool,[$1])=0])
 538         ])
 539
 540 if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
 541 then    AC_MSG_RESULT(yes)
 542 else    AC_MSG_RESULT(no)
 543 fi
 544 ])dnl
 545 dnl ---------------------------------------------------------------------------
 546 dnl CF_BOOL_SIZE version: 14 updated: 2015/04/17 21:13:04
 547 dnl ------------
 548 dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
 549 dnl Don't bother looking for bool.h, since it's been deprecated.
 550 dnl
 551 dnl If the current compiler is C rather than C++, we get the bool definition
 552 dnl from <stdbool.h>.
 553 AC_DEFUN([CF_BOOL_SIZE],
 554 [
 555 AC_MSG_CHECKING([for size of bool])
 556 AC_CACHE_VAL(cf_cv_type_of_bool,[
 557         rm -f cf_test.out
 558         AC_TRY_RUN([
 559 #include <stdlib.h>
 560 #include <stdio.h>
 561
 562 #if defined(__cplusplus)
 563
 564 #ifdef HAVE_GXX_BUILTIN_H
 565 #include <g++/builtin.h>
 566 #elif HAVE_GPP_BUILTIN_H
 567 #include <gpp/builtin.h>
 568 #elif HAVE_BUILTIN_H
 569 #include <builtin.h>
 570 #endif
 571
 572 #else
 573
 574 #if $cf_cv_header_stdbool_h
 575 #include <stdbool.h>
 576 #endif
 577
 578 #endif
 579
 580 int main()
 581 {
 582         FILE *fp = fopen("cf_test.out", "w");
 583         if (fp != 0) {
 584                 bool x = true;
 585                 if ((bool)(-x) >= 0)
 586                         fputs("unsigned ", fp);
 587                 if (sizeof(x) == sizeof(int))       fputs("int",  fp);
 588                 else if (sizeof(x) == sizeof(char)) fputs("char", fp);
 589                 else if (sizeof(x) == sizeof(short))fputs("short",fp);
 590                 else if (sizeof(x) == sizeof(long)) fputs("long", fp);
 591                 fclose(fp);
 592         }
 593         ${cf_cv_main_return:-return}(0);
 594 }
 595                 ],
 596                 [cf_cv_type_of_bool=`cat cf_test.out`
 597                  if test -z "$cf_cv_type_of_bool"; then
 598                    cf_cv_type_of_bool=unknown
 599                  fi],
 600                 [cf_cv_type_of_bool=unknown],
 601                 [cf_cv_type_of_bool=unknown])
 602         ])
 603         rm -f cf_test.out
 604 AC_MSG_RESULT($cf_cv_type_of_bool)
 605 if test "$cf_cv_type_of_bool" = unknown ; then
 606         case .$NCURSES_BOOL in
 607         (.auto|.) NCURSES_BOOL=unsigned;;
 608         esac
 609         AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
 610         cf_cv_type_of_bool=$NCURSES_BOOL
 611 fi
 612 ])dnl
 613 dnl ---------------------------------------------------------------------------
 614 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
 615 dnl -----------
 616 dnl If we're cross-compiling, allow the user to override the tools and their
 617 dnl options.  The configure script is oriented toward identifying the host
 618 dnl compiler, etc., but we need a build compiler to generate parts of the
 619 dnl source.
 620 dnl
 621 dnl $1 = default for $CPPFLAGS
 622 dnl $2 = default for $LIBS
 623 AC_DEFUN([CF_BUILD_CC],[
 624 CF_ACVERSION_CHECK(2.52,,
 625         [AC_REQUIRE([CF_PROG_EXT])])
 626 if test "$cross_compiling" = yes ; then
 627
 628         # defaults that we might want to override
 629         : ${BUILD_CFLAGS:=''}
 630         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 631         : ${BUILD_LDFLAGS:=''}
 632         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 633         : ${BUILD_EXEEXT:='$x'}
 634         : ${BUILD_OBJEXT:='o'}
 635
 636         AC_ARG_WITH(build-cc,
 637                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 638                 [BUILD_CC="$withval"],
 639                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
 640         AC_MSG_CHECKING(for native build C compiler)
 641         AC_MSG_RESULT($BUILD_CC)
 642
 643         AC_MSG_CHECKING(for native build C preprocessor)
 644         AC_ARG_WITH(build-cpp,
 645                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 646                 [BUILD_CPP="$withval"],
 647                 [BUILD_CPP='${BUILD_CC} -E'])
 648         AC_MSG_RESULT($BUILD_CPP)
 649
 650         AC_MSG_CHECKING(for native build C flags)
 651         AC_ARG_WITH(build-cflags,
 652                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 653                 [BUILD_CFLAGS="$withval"])
 654         AC_MSG_RESULT($BUILD_CFLAGS)
 655
 656         AC_MSG_CHECKING(for native build C preprocessor-flags)
 657         AC_ARG_WITH(build-cppflags,
 658                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 659                 [BUILD_CPPFLAGS="$withval"])
 660         AC_MSG_RESULT($BUILD_CPPFLAGS)
 661
 662         AC_MSG_CHECKING(for native build linker-flags)
 663         AC_ARG_WITH(build-ldflags,
 664                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 665                 [BUILD_LDFLAGS="$withval"])
 666         AC_MSG_RESULT($BUILD_LDFLAGS)
 667
 668         AC_MSG_CHECKING(for native build linker-libraries)
 669         AC_ARG_WITH(build-libs,
 670                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 671                 [BUILD_LIBS="$withval"])
 672         AC_MSG_RESULT($BUILD_LIBS)
 673
 674         # this assumes we're on Unix.
 675         BUILD_EXEEXT=
 676         BUILD_OBJEXT=o
 677
 678         : ${BUILD_CC:='${CC}'}
 679
 680         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
 681                 AC_MSG_ERROR([Cross-build requires two compilers.
 682 Use --with-build-cc to specify the native compiler.])
 683         fi
 684
 685 else
 686         : ${BUILD_CC:='${CC}'}
 687         : ${BUILD_CPP:='${CPP}'}
 688         : ${BUILD_CFLAGS:='${CFLAGS}'}
 689         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 690         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 691         : ${BUILD_LIBS:='${LIBS}'}
 692         : ${BUILD_EXEEXT:='$x'}
 693         : ${BUILD_OBJEXT:='o'}
 694 fi
 695
 696 AC_SUBST(BUILD_CC)
 697 AC_SUBST(BUILD_CPP)
 698 AC_SUBST(BUILD_CFLAGS)
 699 AC_SUBST(BUILD_CPPFLAGS)
 700 AC_SUBST(BUILD_LDFLAGS)
 701 AC_SUBST(BUILD_LIBS)
 702 AC_SUBST(BUILD_EXEEXT)
 703 AC_SUBST(BUILD_OBJEXT)
 704 ])dnl
 705 dnl ---------------------------------------------------------------------------
 706 dnl CF_CC_ENV_FLAGS version: 2 updated: 2015/04/12 15:39:00
 707 dnl ---------------
 708 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 709 dnl into CC.  This will not help with broken scripts that wrap the compiler with
 710 dnl options, but eliminates a more common category of user confusion.
 711 AC_DEFUN([CF_CC_ENV_FLAGS],
 712 [
 713 # This should have been defined by AC_PROG_CC
 714 : ${CC:=cc}
 715
 716 AC_MSG_CHECKING(\$CC variable)
 717 case "$CC" in
 718 (*[[\ \ ]]-[[IUD]]*)
 719         AC_MSG_RESULT(broken)
 720         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
 721         # humor him...
 722         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
 723         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
 724         CF_ADD_CFLAGS($cf_flags)
 725         ;;
 726 (*)
 727         AC_MSG_RESULT(ok)
 728         ;;
 729 esac
 730 ])dnl
 731 dnl ---------------------------------------------------------------------------
 732 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
 733 dnl ---------------
 734 dnl Determine the default configuration into which we'll install ncurses.  This
 735 dnl can be overridden by the user's command-line options.  There's two items to
 736 dnl look for:
 737 dnl     1. the prefix (e.g., /usr)
 738 dnl     2. the header files (e.g., /usr/include/ncurses)
 739 dnl We'll look for a previous installation of ncurses and use the same defaults.
 740 dnl
 741 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 742 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 743 dnl programs from a vendor's.
 744 AC_DEFUN([CF_CFG_DEFAULTS],
 745 [
 746 AC_MSG_CHECKING(for prefix)
 747 if test "x$prefix" = "xNONE" ; then
 748         case "$cf_cv_system_name" in
 749                 # non-vendor systems don't have a conflict
 750         (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
 751                 prefix=/usr
 752                 ;;
 753         (*)     prefix=$ac_default_prefix
 754                 ;;
 755         esac
 756 fi
 757 AC_MSG_RESULT($prefix)
 758
 759 if test "x$prefix" = "xNONE" ; then
 760 AC_MSG_CHECKING(for default include-directory)
 761 test -n "$verbose" && echo 1>&AC_FD_MSG
 762 for cf_symbol in \
 763         $includedir \
 764         $includedir/ncurses \
 765         $prefix/include \
 766         $prefix/include/ncurses \
 767         /usr/local/include \
 768         /usr/local/include/ncurses \
 769         /usr/include \
 770         /usr/include/ncurses
 771 do
 772         cf_dir=`eval echo $cf_symbol`
 773         if test -f $cf_dir/curses.h ; then
 774         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
 775                 includedir="$cf_symbol"
 776                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
 777                 break
 778         fi
 779         fi
 780         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 781 done
 782 AC_MSG_RESULT($includedir)
 783 fi
 784 ])dnl
 785 dnl ---------------------------------------------------------------------------
 786 dnl CF_CGETENT version: 5 updated: 2012/10/06 17:56:13
 787 dnl ----------
 788 dnl Check if the terminal-capability database functions are available.  If not,
 789 dnl ncurses has a much-reduced version.
 790 AC_DEFUN([CF_CGETENT],[
 791 AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[
 792 AC_TRY_LINK([
 793 #include <stdlib.h>],[
 794         char temp[128];
 795         char *buf = temp;
 796         char *db_array = temp;
 797         cgetent(&buf, &db_array, "vt100");
 798         cgetcap(buf, "tc", '=');
 799         cgetmatch(buf, "tc");
 800         ],
 801         [cf_cv_cgetent=yes],
 802         [cf_cv_cgetent=no])
 803 ])
 804
 805 if test "$cf_cv_cgetent" = yes
 806 then
 807         AC_DEFINE(HAVE_BSD_CGETENT,1,[Define to 1 if we have BSD cgetent])
 808 AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[
 809 AC_TRY_LINK([
 810 #include <stdlib.h>],[
 811         char temp[128];
 812         char *buf = temp;
 813 #ifndef _NETBSD_SOURCE                  /* given, since April 2004 in stdlib.h */
 814         const char *db_array = temp;
 815         cgetent(&buf, &db_array, "vt100");
 816 #endif
 817         cgetcap(buf, "tc", '=');
 818         cgetmatch(buf, "tc");
 819         ],
 820         [cf_cv_cgetent_const=yes],
 821         [cf_cv_cgetent_const=no])
 822 ])
 823         if test "$cf_cv_cgetent_const" = yes
 824         then
 825                 AC_DEFINE_UNQUOTED(CGETENT_CONST,const,[Define to const if needed for some BSD cgetent variations])
 826         fi
 827 fi
 828 ])dnl
 829 dnl ---------------------------------------------------------------------------
 830 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
 831 dnl --------------
 832 dnl Check if we're accidentally using a cache from a different machine.
 833 dnl Derive the system name, as a check for reusing the autoconf cache.
 834 dnl
 835 dnl If we've packaged config.guess and config.sub, run that (since it does a
 836 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 837 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 838 dnl which is useful in cross-compiles.
 839 dnl
 840 dnl Note: we would use $ac_config_sub, but that is one of the places where
 841 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 842 AC_DEFUN([CF_CHECK_CACHE],
 843 [
 844 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
 845         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 846         system_name="$host_os"
 847 else
 848         system_name="`(uname -s -r) 2>/dev/null`"
 849         if test -z "$system_name" ; then
 850                 system_name="`(hostname) 2>/dev/null`"
 851         fi
 852 fi
 853 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
 854 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 855
 856 test -z "$system_name" && system_name="$cf_cv_system_name"
 857 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 858
 859 if test ".$system_name" != ".$cf_cv_system_name" ; then
 860         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 861         AC_MSG_ERROR("Please remove config.cache and try again.")
 862 fi
 863 ])dnl
 864 dnl ---------------------------------------------------------------------------
 865 dnl CF_CHECK_ERRNO version: 12 updated: 2015/04/18 08:56:57
 866 dnl --------------
 867 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
 868 dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
 869 dnl ourselves.
 870 dnl
 871 dnl $1 = the name to check
 872 dnl $2 = the assumed type
 873 AC_DEFUN([CF_CHECK_ERRNO],
 874 [
 875 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
 876         AC_TRY_COMPILE([
 877 #ifdef HAVE_STDLIB_H
 878 #include <stdlib.h>
 879 #endif
 880 #include <stdio.h>
 881 #include <sys/types.h>
 882 #include <errno.h> ],
 883         ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
 884         [cf_cv_dcl_$1=yes],
 885         [cf_cv_dcl_$1=no])
 886 ])
 887
 888 if test "$cf_cv_dcl_$1" = no ; then
 889         CF_UPPER(cf_result,decl_$1)
 890         AC_DEFINE_UNQUOTED($cf_result)
 891 fi
 892
 893 # It's possible (for near-UNIX clones) that the data doesn't exist
 894 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
 895 ])dnl
 896 dnl ---------------------------------------------------------------------------
 897 dnl CF_CHECK_EXTERN_DATA version: 4 updated: 2015/04/18 08:56:57
 898 dnl --------------------
 899 dnl Check for existence of external data in the current set of libraries.  If
 900 dnl we can modify it, it's real enough.
 901 dnl $1 = the name to check
 902 dnl $2 = its type
 903 AC_DEFUN([CF_CHECK_EXTERN_DATA],
 904 [
 905 AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
 906         AC_TRY_LINK([
 907 #undef $1
 908 extern $2 $1;
 909 ],
 910         [$1 = 2],
 911         [cf_cv_have_$1=yes],
 912         [cf_cv_have_$1=no])
 913 ])
 914
 915 if test "$cf_cv_have_$1" = yes ; then
 916         CF_UPPER(cf_result,have_$1)
 917         AC_DEFINE_UNQUOTED($cf_result)
 918 fi
 919
 920 ])dnl
 921 dnl ---------------------------------------------------------------------------
 922 dnl CF_CHECK_GPM_WGETCH version: 2 updated: 2010/08/14 18:25:37
 923 dnl -------------------
 924 dnl Check if GPM is already linked with curses.  If so - and if the linkage
 925 dnl is not "weak" - warn about this because it can create problems linking
 926 dnl applications with ncurses.
 927 AC_DEFUN([CF_CHECK_GPM_WGETCH],[
 928 AC_CHECK_LIB(gpm,Gpm_Wgetch,[
 929
 930 AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
 931 cf_cv_check_gpm_wgetch=unknown
 932 if test "$cross_compiling" != yes ; then
 933
 934 cat >conftest.$ac_ext <<CF_EOF
 935 #include <gpm.h>
 936 int main()
 937 {
 938         Gpm_Wgetch();
 939         ${cf_cv_main_return:-return}(0);
 940 }
 941 CF_EOF
 942
 943         cf_save_LIBS="$LIBS"
 944         # This only works if we can look at the symbol table.  If a shared
 945         # library is stripped for install, we cannot use that.  So we're forced
 946         # to rely on the static library, noting that some packagers may not
 947         # include it.
 948         LIBS="-static -lgpm -dynamic $LIBS"
 949         if AC_TRY_EVAL(ac_compile) ; then
 950                 if AC_TRY_EVAL(ac_link) ; then
 951                         cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
 952                         test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
 953                         test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
 954                 fi
 955         fi
 956         rm -rf conftest*
 957         LIBS="$cf_save_LIBS"
 958 fi
 959 ])
 960
 961 if test "$cf_cv_check_gpm_wgetch" != yes ; then
 962         AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
 963 fi
 964 ])])dnl
 965 dnl ---------------------------------------------------------------------------
 966 dnl CF_CHECK_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
 967 dnl ------------------------
 968 dnl Show the version of libtool
 969 dnl
 970 dnl Save the version in a cache variable - this is not entirely a good thing,
 971 dnl but the version string from libtool is very ugly, and for bug reports it
 972 dnl might be useful to have the original string.
 973 AC_DEFUN([CF_CHECK_LIBTOOL_VERSION],[
 974 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
 975 then
 976         AC_MSG_CHECKING(version of $LIBTOOL)
 977         CF_LIBTOOL_VERSION
 978         AC_MSG_RESULT($cf_cv_libtool_version)
 979         if test -z "$cf_cv_libtool_version" ; then
 980                 AC_MSG_ERROR(This is not GNU libtool)
 981         fi
 982 else
 983         AC_MSG_ERROR(GNU libtool has not been found)
 984 fi
 985 ])dnl
 986 dnl ---------------------------------------------------------------------------
 987 dnl CF_CHECK_WCHAR_H version: 1 updated: 2011/10/29 15:01:05
 988 dnl ----------------
 989 dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
 990 AC_DEFUN([CF_CHECK_WCHAR_H],[
 991 AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[
 992 AC_TRY_COMPILE(
 993 [
 994 #include <stdlib.h>
 995 #include <wchar.h>
 996 ],[
 997         wint_t foo = 0;
 998         int bar = iswpunct(foo)],
 999         [cf_cv_wchar_h_okay=yes],
1000         [cf_cv_wchar_h_okay=no])])
1001
1002 if test $cf_cv_wchar_h_okay = no
1003 then
1004         CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
1005 fi
1006 ])dnl
1007 dnl ---------------------------------------------------------------------------
1008 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
1009 dnl -----------------
1010 dnl Check if the given compiler is really clang.  clang's C driver defines
1011 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
1012 dnl not ignore some gcc options.
1013 dnl
1014 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1015 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
1016 dnl the wrappers for gcc and g++ warnings.
1017 dnl
1018 dnl $1 = GCC (default) or GXX
1019 dnl $2 = CLANG_COMPILER (default)
1020 dnl $3 = CFLAGS (default) or CXXFLAGS
1021 AC_DEFUN([CF_CLANG_COMPILER],[
1022 ifelse([$2],,CLANG_COMPILER,[$2])=no
1023
1024 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1025         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
1026         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1027         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
1028         AC_TRY_COMPILE([],[
1029 #ifdef __clang__
1030 #else
1031 make an error
1032 #endif
1033 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
1034 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
1035 ],[])
1036         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1037         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
1038 fi
1039 ])
1040 dnl ---------------------------------------------------------------------------
1041 dnl CF_CPP_PARAM_INIT version: 6 updated: 2012/10/06 17:56:13
1042 dnl -----------------
1043 dnl Check if the C++ compiler accepts duplicate parameter initialization.  This
1044 dnl is a late feature for the standard and is not in some recent compilers
1045 dnl (1999/9/11).
1046 AC_DEFUN([CF_CPP_PARAM_INIT],
1047 [
1048 if test -n "$CXX"; then
1049 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
1050         AC_LANG_SAVE
1051         AC_LANG_CPLUSPLUS
1052         AC_TRY_RUN([
1053 class TEST {
1054 private:
1055         int value;
1056 public:
1057         TEST(int x = 1);
1058         ~TEST();
1059 };
1060
1061 TEST::TEST(int x = 1)   // some compilers do not like second initializer
1062 {
1063         value = x;
1064 }
1065 int main() { }
1066 ],
1067         [cf_cv_cpp_param_init=yes],
1068         [cf_cv_cpp_param_init=no],
1069         [cf_cv_cpp_param_init=unknown])
1070         AC_LANG_RESTORE
1071 ])
1072 fi
1073 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT,1,[Define to 1 if C++ has parameter initialization])
1074 ])dnl
1075 dnl ---------------------------------------------------------------------------
1076 dnl CF_CPP_STATIC_CAST version: 3 updated: 2013/04/13 18:03:21
1077 dnl ------------------
1078 dnl Check if the C++ compiler accepts static_cast in generics.  This appears to
1079 dnl not be supported in g++ before 3.0
1080 AC_DEFUN([CF_CPP_STATIC_CAST],
1081 [
1082 if test -n "$CXX"; then
1083
1084 AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
1085         AC_LANG_SAVE
1086         AC_LANG_CPLUSPLUS
1087
1088         AC_TRY_COMPILE([
1089 class NCursesPanel
1090 {
1091 public:
1092   NCursesPanel(int nlines,
1093                int ncols,
1094                int begin_y = 0,
1095                int begin_x = 0)
1096   {
1097   }
1098   NCursesPanel();
1099   ~NCursesPanel();
1100 };
1101
1102 template<class T> class NCursesUserPanel : public NCursesPanel
1103 {
1104 public:
1105   NCursesUserPanel (int nlines,
1106                     int ncols,
1107                     int begin_y = 0,
1108                     int begin_x = 0,
1109                     const T* p_UserData = static_cast<T*>(0))
1110     : NCursesPanel (nlines, ncols, begin_y, begin_x)
1111   {
1112   };
1113   NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
1114   {
1115   };
1116
1117   virtual ~NCursesUserPanel() {};
1118 };
1119 ],[
1120         const char* p_UserData = static_cast<char*>(0)],
1121         [cf_cv_cpp_static_cast=yes],
1122         [cf_cv_cpp_static_cast=no])
1123
1124         AC_LANG_RESTORE
1125 ])
1126
1127 fi
1128
1129 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST,1,[Define to 1 if C++ has static_cast])
1130 ])dnl
1131 dnl ---------------------------------------------------------------------------
1132 dnl CF_CXX_AR_FLAGS version: 2 updated: 2015/04/17 21:13:04
1133 dnl ---------------
1134 dnl Setup special archiver flags for given compilers.
1135 AC_DEFUN([CF_CXX_AR_FLAGS],[
1136         CXX_AR='$(AR)'
1137         CXX_ARFLAGS='$(ARFLAGS)'
1138         case $cf_cv_system_name in
1139         (irix*)
1140             if test "$GXX" != yes ; then
1141                 CXX_AR='$(CXX)'
1142                 CXX_ARFLAGS='-ar -o'
1143             fi
1144             ;;
1145         (sco3.2v5*)
1146             CXXLDFLAGS="-u main"
1147             ;;
1148         (solaris2*)
1149             if test "$GXX" != yes ; then
1150                 CXX_AR='$(CXX)'
1151                 CXX_ARFLAGS='-xar -o'
1152             fi
1153             ;;
1154         esac
1155         AC_SUBST(CXXLDFLAGS)
1156         AC_SUBST(CXX_AR)
1157         AC_SUBST(CXX_ARFLAGS)
1158 ])dnl
1159 dnl ---------------------------------------------------------------------------
1160 dnl CF_CXX_IOSTREAM_NAMESPACE version: 2 updated: 2012/10/06 17:56:13
1161 dnl -------------------------
1162 dnl For c++, check if iostream uses "std::" namespace.
1163 AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[
1164 AC_CHECK_HEADERS(iostream)
1165 if test x"$ac_cv_header_iostream" = xyes ; then
1166         AC_MSG_CHECKING(if iostream uses std-namespace)
1167         AC_TRY_COMPILE([
1168 #include <iostream>
1169 using std::endl;
1170 using std::cerr;],[
1171 cerr << "testing" << endl;
1172 ],[cf_iostream_namespace=yes],[cf_iostream_namespace=no])
1173         AC_MSG_RESULT($cf_iostream_namespace)
1174         if test "$cf_iostream_namespace" = yes ; then
1175                 AC_DEFINE(IOSTREAM_NAMESPACE,1,[Define to 1 if C++ has namespace iostream])
1176         fi
1177 fi
1178 ])dnl
1179 dnl ---------------------------------------------------------------------------
1180 dnl CF_C_INLINE version: 5 updated: 2015/04/18 08:56:57
1181 dnl -----------
1182 dnl Check if the C compiler supports "inline".
1183 dnl $1 is the name of a shell variable to set if inline is supported
1184 dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
1185 AC_DEFUN([CF_C_INLINE],[
1186 AC_C_INLINE
1187 $1=
1188 if test "$ac_cv_c_inline" != no ; then
1189         $1=inline
1190         if test "$INTEL_COMPILER" = yes
1191         then
1192                 :
1193         elif test "$CLANG_COMPILER" = yes
1194         then
1195                 :
1196         elif test "$GCC" = yes
1197         then
1198                 AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
1199                 cf_save_CFLAGS=$CFLAGS
1200                 CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
1201                 AC_TRY_COMPILE([inline int foo(void) { return 1; }],
1202                 [${cf_cv_main_return:-return} foo()],
1203                 [cf_cv_gcc_inline=yes],
1204                 [cf_cv_gcc_inline=no])
1205                 CFLAGS=$cf_save_CFLAGS
1206                 ])
1207                 if test "$cf_cv_gcc_inline" = yes ; then
1208                         CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
1209                 fi
1210         fi
1211 fi
1212 AC_SUBST($1)
1213 ])dnl
1214 dnl ---------------------------------------------------------------------------
1215 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1216 dnl ----------
1217 dnl "dirname" is not portable, so we fake it with a shell script.
1218 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1219 dnl ---------------------------------------------------------------------------
1220 dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
1221 dnl ---------------
1222 AC_DEFUN([CF_DIRS_TO_MAKE],
1223 [
1224 DIRS_TO_MAKE="lib"
1225 for cf_item in $cf_list_models
1226 do
1227         CF_OBJ_SUBDIR($cf_item,cf_subdir)
1228         for cf_item2 in $DIRS_TO_MAKE
1229         do
1230                 test $cf_item2 = $cf_subdir && break
1231         done
1232         test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
1233 done
1234 for cf_dir in $DIRS_TO_MAKE
1235 do
1236         test ! -d $cf_dir && mkdir $cf_dir
1237 done
1238 AC_SUBST(DIRS_TO_MAKE)
1239 ])dnl
1240 dnl ---------------------------------------------------------------------------
1241 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
1242 dnl ---------------
1243 dnl You can always use "make -n" to see the actual options, but it's hard to
1244 dnl pick out/analyze warning messages when the compile-line is long.
1245 dnl
1246 dnl Sets:
1247 dnl     ECHO_LT - symbol to control if libtool is verbose
1248 dnl     ECHO_LD - symbol to prefix "cc -o" lines
1249 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1250 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
1251 dnl     ECHO_CC - symbol to put before any "cc" line
1252 dnl
1253 AC_DEFUN([CF_DISABLE_ECHO],[
1254 AC_MSG_CHECKING(if you want to see long compiling messages)
1255 CF_ARG_DISABLE(echo,
1256         [  --disable-echo          do not display "compiling" commands],
1257         [
1258         ECHO_LT='--silent'
1259         ECHO_LD='@echo linking [$]@;'
1260         RULE_CC='@echo compiling [$]<'
1261         SHOW_CC='@echo compiling [$]@'
1262         ECHO_CC='@'
1263 ],[
1264         ECHO_LT=''
1265         ECHO_LD=''
1266         RULE_CC=''
1267         SHOW_CC=''
1268         ECHO_CC=''
1269 ])
1270 AC_MSG_RESULT($enableval)
1271 AC_SUBST(ECHO_LT)
1272 AC_SUBST(ECHO_LD)
1273 AC_SUBST(RULE_CC)
1274 AC_SUBST(SHOW_CC)
1275 AC_SUBST(ECHO_CC)
1276 ])dnl
1277 dnl ---------------------------------------------------------------------------
1278 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
1279 dnl ------------------------
1280 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
1281 AC_MSG_CHECKING(if we want to use GNAT projects)
1282 CF_ARG_DISABLE(gnat-projects,
1283         [  --disable-gnat-projects test: disable GNAT projects even if usable],
1284         [enable_gnat_projects=no],
1285         [enable_gnat_projects=yes])
1286 AC_MSG_RESULT($enable_gnat_projects)
1287 ])dnl
1288 dnl ---------------------------------------------------------------------------
1289 dnl CF_DISABLE_LEAKS version: 7 updated: 2012/10/02 20:55:03
1290 dnl ----------------
1291 dnl Combine no-leak checks with the libraries or tools that are used for the
1292 dnl checks.
1293 AC_DEFUN([CF_DISABLE_LEAKS],[
1294
1295 AC_REQUIRE([CF_WITH_DMALLOC])
1296 AC_REQUIRE([CF_WITH_DBMALLOC])
1297 AC_REQUIRE([CF_WITH_VALGRIND])
1298
1299 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1300 AC_ARG_ENABLE(leaks,
1301         [  --disable-leaks         test: free permanent memory, analyze leaks],
1302         [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1303         : ${with_no_leaks:=no})
1304 AC_MSG_RESULT($with_no_leaks)
1305
1306 if test "$with_no_leaks" = yes ; then
1307         AC_DEFINE(NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1308         AC_DEFINE(YY_NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1309 fi
1310 ])dnl
1311 dnl ---------------------------------------------------------------------------
1312 dnl CF_DISABLE_LIBTOOL_VERSION version: 3 updated: 2015/04/17 21:13:04
1313 dnl --------------------------
1314 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1315 dnl the older "-version-info" feature.  The newer feature allows us to use
1316 dnl version numbering on shared libraries which make them compatible with
1317 dnl various systems.
1318 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1319 [
1320 AC_MSG_CHECKING(if libtool -version-number should be used)
1321 CF_ARG_DISABLE(libtool-version,
1322         [  --disable-libtool-version  enable to use libtool's incompatible naming scheme],
1323         [cf_libtool_version=no],
1324         [cf_libtool_version=yes])
1325 AC_MSG_RESULT($cf_libtool_version)
1326
1327 if test "$cf_libtool_version" = yes ; then
1328         LIBTOOL_VERSION="-version-number"
1329 else
1330         LIBTOOL_VERSION="-version-info"
1331         case "x$VERSION" in
1332         (x)
1333                 AC_MSG_WARN(VERSION was not set)
1334                 ;;
1335         (x*.*.*)
1336                 ABI_VERSION="$VERSION"
1337                 CF_VERBOSE(ABI_VERSION: $ABI_VERSION)
1338                 ;;
1339         (x*:*:*)
1340                 ABI_VERSION=`echo "$VERSION" | sed -e 's/:/./g'`
1341                 CF_VERBOSE(ABI_VERSION: $ABI_VERSION)
1342                 ;;
1343         (*)
1344                 AC_MSG_WARN(unexpected VERSION value: $VERSION)
1345                 ;;
1346         esac
1347 fi
1348
1349 AC_SUBST(ABI_VERSION)
1350 AC_SUBST(LIBTOOL_VERSION)
1351 ])dnl
1352 dnl ---------------------------------------------------------------------------
1353 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1354 dnl ---------------------
1355 dnl The rpath-hack makes it simpler to build programs, particularly with the
1356 dnl *BSD ports which may have essential libraries in unusual places.  But it
1357 dnl can interfere with building an executable for the base system.  Use this
1358 dnl option in that case.
1359 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1360 [
1361 AC_MSG_CHECKING(if rpath-hack should be disabled)
1362 CF_ARG_DISABLE(rpath-hack,
1363         [  --disable-rpath-hack    don't add rpath options for additional libraries],
1364         [cf_disable_rpath_hack=yes],
1365         [cf_disable_rpath_hack=no])
1366 AC_MSG_RESULT($cf_disable_rpath_hack)
1367 if test "$cf_disable_rpath_hack" = no ; then
1368         CF_RPATH_HACK
1369 fi
1370 ])
1371 dnl ---------------------------------------------------------------------------
1372 dnl CF_ENABLE_PC_FILES version: 12 updated: 2015/04/17 21:13:04
1373 dnl ------------------
1374 dnl This is the "--enable-pc-files" option, which is available if there is a
1375 dnl pkg-config configuration on the local machine.
1376 AC_DEFUN([CF_ENABLE_PC_FILES],[
1377 AC_REQUIRE([CF_PKG_CONFIG])
1378 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1379
1380 if test "x$PKG_CONFIG" != xnone
1381 then
1382         AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
1383 else
1384         AC_MSG_CHECKING(if we should install .pc files)
1385 fi
1386
1387 AC_ARG_ENABLE(pc-files,
1388         [  --enable-pc-files       generate and install .pc files for pkg-config],
1389         [enable_pc_files=$enableval],
1390         [enable_pc_files=no])
1391 AC_MSG_RESULT($enable_pc_files)
1392
1393 if test "x$enable_pc_files" != xno
1394 then
1395         case "x$PKG_CONFIG_LIBDIR" in
1396         (xno|xyes)
1397                 AC_MSG_WARN(no PKG_CONFIG_LIBDIR was found)
1398                 MAKE_PC_FILES="#"
1399                 ;;
1400         (*)
1401                 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
1402                 MAKE_PC_FILES=
1403                 ;;
1404         esac
1405 else
1406         MAKE_PC_FILES="#"
1407 fi
1408 AC_SUBST(MAKE_PC_FILES)
1409 ])dnl
1410 dnl ---------------------------------------------------------------------------
1411 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
1412 dnl ---------------
1413 dnl Check if the rpath option should be used, setting cache variable
1414 dnl cf_cv_enable_rpath if so.
1415 AC_DEFUN([CF_ENABLE_RPATH],
1416 [
1417 AC_MSG_CHECKING(if rpath option should be used)
1418 AC_ARG_ENABLE(rpath,
1419 [  --enable-rpath          use rpath option when generating shared libraries],
1420 [cf_cv_enable_rpath=$enableval],
1421 [cf_cv_enable_rpath=no])
1422 AC_MSG_RESULT($cf_cv_enable_rpath)
1423 ])dnl
1424 dnl ---------------------------------------------------------------------------
1425 dnl CF_ENABLE_STRING_HACKS version: 3 updated: 2013/01/26 16:26:12
1426 dnl ----------------------
1427 dnl On a few platforms, the compiler and/or loader nags with untruthful
1428 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
1429 dnl and implying that most uses of the recommended alternatives are correct.
1430 dnl
1431 dnl Factually speaking, no one has actually counted the number of uses of these
1432 dnl functions versus the total of incorrect uses.  Samples of a few thousand
1433 dnl instances are meaningless compared to the hundreds of millions of lines of
1434 dnl existing C code.
1435 dnl
1436 dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
1437 dnl platforms, in implementations of varying quality.  Likewise, snprintf is
1438 dnl standard - but evolved through phases, and older implementations are likely
1439 dnl to yield surprising results, as documented in manpages on various systems.
1440 AC_DEFUN([CF_ENABLE_STRING_HACKS],
1441 [
1442 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
1443 AC_ARG_ENABLE(string-hacks,
1444         [  --enable-string-hacks   work around bogus compiler/loader warnings],
1445         [with_string_hacks=$enableval],
1446         [with_string_hacks=no])
1447 AC_MSG_RESULT($with_string_hacks)
1448
1449 if test "x$with_string_hacks" = "xyes"; then
1450         AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings])
1451         AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
1452         AC_CHECK_FUNCS( strlcat strlcpy snprintf )
1453 fi
1454 ])dnl
1455 dnl ---------------------------------------------------------------------------
1456 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
1457 dnl --------
1458 dnl Check if 'errno' is declared in <errno.h>
1459 AC_DEFUN([CF_ERRNO],
1460 [
1461 CF_CHECK_ERRNO(errno)
1462 ])dnl
1463 dnl ---------------------------------------------------------------------------
1464 dnl CF_ETIP_DEFINES version: 5 updated: 2012/02/18 17:51:07
1465 dnl ---------------
1466 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
1467 dnl math.h and builtin.h, only for ncurses
1468 AC_DEFUN([CF_ETIP_DEFINES],
1469 [
1470 AC_MSG_CHECKING(for special defines needed for etip.h)
1471 cf_save_CXXFLAGS="$CXXFLAGS"
1472 cf_result="none"
1473
1474 # etip.h includes ncurses.h which includes ncurses_dll.h
1475 # But ncurses_dll.h is generated - fix here.
1476 test -d include || mkdir include
1477 test -f include/ncurses_dll.h || sed -e 's/@NCURSES_WRAP_PREFIX@/'$NCURSES_WRAP_PREFIX'/g' ${srcdir}/include/ncurses_dll.h.in >include/ncurses_dll.h
1478
1479 for cf_math in "" MATH_H
1480 do
1481 for cf_excp in "" MATH_EXCEPTION
1482 do
1483         CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -Iinclude -I${srcdir}/include"
1484         test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
1485         test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
1486 AC_TRY_COMPILE([
1487 #include <etip.h.in>
1488 ],[],[
1489         test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
1490         test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
1491         cf_result="$cf_math $cf_excp"
1492         break 2
1493 ],[])
1494 done
1495 done
1496 AC_MSG_RESULT($cf_result)
1497 CXXFLAGS="$cf_save_CXXFLAGS"
1498 ])
1499 dnl ---------------------------------------------------------------------------
1500 dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57
1501 dnl ---------------
1502 dnl Find a library (specifically the linkage used in the code fragment),
1503 dnl searching for it if it is not already in the library path.
1504 dnl See also CF_ADD_SEARCHPATH.
1505 dnl
1506 dnl Parameters (4-on are optional):
1507 dnl     $1 = headers for library entrypoint
1508 dnl     $2 = code fragment for library entrypoint
1509 dnl     $3 = the library name without the "-l" option or ".so" suffix.
1510 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
1511 dnl     $5 = action to perform if not successful
1512 dnl     $6 = module name, if not the same as the library name
1513 dnl     $7 = extra libraries
1514 dnl
1515 dnl Sets these variables:
1516 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1517 dnl     $cf_cv_header_path_$3 - include-directory if needed
1518 dnl     $cf_cv_library_path_$3 - library-directory if needed
1519 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1520 AC_DEFUN([CF_FIND_LINKAGE],[
1521
1522 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1523 # will be set on completion of the AC_TRY_LINK below.
1524 cf_cv_header_path_$3=
1525 cf_cv_library_path_$3=
1526
1527 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1528
1529 cf_save_LIBS="$LIBS"
1530
1531 AC_TRY_LINK([$1],[$2],[
1532         cf_cv_find_linkage_$3=yes
1533         cf_cv_header_path_$3=/usr/include
1534         cf_cv_library_path_$3=/usr/lib
1535 ],[
1536
1537 LIBS="-l$3 $7 $cf_save_LIBS"
1538
1539 AC_TRY_LINK([$1],[$2],[
1540         cf_cv_find_linkage_$3=yes
1541         cf_cv_header_path_$3=/usr/include
1542         cf_cv_library_path_$3=/usr/lib
1543         cf_cv_library_file_$3="-l$3"
1544 ],[
1545         cf_cv_find_linkage_$3=no
1546         LIBS="$cf_save_LIBS"
1547
1548         CF_VERBOSE(find linkage for $3 library)
1549         CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1550
1551         cf_save_CPPFLAGS="$CPPFLAGS"
1552         cf_test_CPPFLAGS="$CPPFLAGS"
1553
1554         CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1555         for cf_cv_header_path_$3 in $cf_search
1556         do
1557                 if test -d $cf_cv_header_path_$3 ; then
1558                         CF_VERBOSE(... testing $cf_cv_header_path_$3)
1559                         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1560                         AC_TRY_COMPILE([$1],[$2],[
1561                                 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1562                                 cf_cv_find_linkage_$3=maybe
1563                                 cf_test_CPPFLAGS="$CPPFLAGS"
1564                                 break],[
1565                                 CPPFLAGS="$cf_save_CPPFLAGS"
1566                                 ])
1567                 fi
1568         done
1569
1570         if test "$cf_cv_find_linkage_$3" = maybe ; then
1571
1572                 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1573
1574                 cf_save_LIBS="$LIBS"
1575                 cf_save_LDFLAGS="$LDFLAGS"
1576
1577                 ifelse([$6],,,[
1578                 CPPFLAGS="$cf_test_CPPFLAGS"
1579                 LIBS="-l$3 $7 $cf_save_LIBS"
1580                 AC_TRY_LINK([$1],[$2],[
1581                         CF_VERBOSE(... found $3 library in system)
1582                         cf_cv_find_linkage_$3=yes])
1583                         CPPFLAGS="$cf_save_CPPFLAGS"
1584                         LIBS="$cf_save_LIBS"
1585                         ])
1586
1587                 if test "$cf_cv_find_linkage_$3" != yes ; then
1588                         CF_LIBRARY_PATH(cf_search,$3)
1589                         for cf_cv_library_path_$3 in $cf_search
1590                         do
1591                                 if test -d $cf_cv_library_path_$3 ; then
1592                                         CF_VERBOSE(... testing $cf_cv_library_path_$3)
1593                                         CPPFLAGS="$cf_test_CPPFLAGS"
1594                                         LIBS="-l$3 $7 $cf_save_LIBS"
1595                                         LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1596                                         AC_TRY_LINK([$1],[$2],[
1597                                         CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1598                                         cf_cv_find_linkage_$3=yes
1599                                         cf_cv_library_file_$3="-l$3"
1600                                         break],[
1601                                         CPPFLAGS="$cf_save_CPPFLAGS"
1602                                         LIBS="$cf_save_LIBS"
1603                                         LDFLAGS="$cf_save_LDFLAGS"
1604                                         ])
1605                                 fi
1606                         done
1607                         CPPFLAGS="$cf_save_CPPFLAGS"
1608                         LDFLAGS="$cf_save_LDFLAGS"
1609                 fi
1610
1611         else
1612                 cf_cv_find_linkage_$3=no
1613         fi
1614         ],$7)
1615 ])
1616
1617 LIBS="$cf_save_LIBS"
1618
1619 if test "$cf_cv_find_linkage_$3" = yes ; then
1620 ifelse([$4],,[
1621         CF_ADD_INCDIR($cf_cv_header_path_$3)
1622         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1623         CF_ADD_LIB($3)
1624 ],[$4])
1625 else
1626 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1627 fi
1628 ])dnl
1629 dnl ---------------------------------------------------------------------------
1630 dnl CF_FIND_SUB_INCDIR version: 2 updated: 2015/04/17 21:13:04
1631 dnl ------------------
1632 dnl Find an include-directory with the given leaf-name.  This is useful for
1633 dnl example with FreeBSD ports, which use this convention to distinguish
1634 dnl different versions of the same port.
1635 AC_DEFUN([CF_FIND_SUB_INCDIR],[
1636         CF_SUBDIR_PATH(cf_search,$1,include)
1637         for cf_item in $cf_search
1638         do
1639                 case $cf_item in
1640                 (*/$1)
1641                         CF_ADD_INCDIR($cf_item)
1642                         ;;
1643                 esac
1644         done
1645 ])dnl
1646 dnl ---------------------------------------------------------------------------
1647 dnl CF_FIND_SUB_LIBDIR version: 2 updated: 2015/04/17 21:13:04
1648 dnl ------------------
1649 dnl Find a library-directory with the given leaf-name.  This is useful for
1650 dnl example with FreeBSD ports, which use this convention to distinguish
1651 dnl different versions of the same port.
1652 AC_DEFUN([CF_FIND_SUB_LIBDIR],[
1653         CF_SUBDIR_PATH(cf_search,$1,lib)
1654         for cf_item in $cf_search
1655         do
1656                 case $cf_item in
1657                 (*/$1)
1658                         CF_ADD_LIBDIR($cf_item)
1659                         ;;
1660                 esac
1661         done
1662 ])dnl
1663 dnl ---------------------------------------------------------------------------
1664 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
1665 dnl -----------------
1666 dnl make ADAFLAGS consistent with CFLAGS
1667 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1668         AC_MSG_CHECKING(optimization options for ADAFLAGS)
1669         case "$CFLAGS" in
1670         (*-g*)
1671                 CF_ADD_ADAFLAGS(-g)
1672                 ;;
1673         esac
1674         case "$CFLAGS" in
1675         (*-O*)
1676                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
1677                 CF_ADD_ADAFLAGS($cf_O_flag)
1678                 ;;
1679         esac
1680         AC_MSG_RESULT($ADAFLAGS)
1681 ])dnl
1682 dnl ---------------------------------------------------------------------------
1683 dnl CF_FORGET_TOOL version: 1 updated: 2013/04/06 18:03:09
1684 dnl --------------
1685 dnl Forget that we saw the given tool.
1686 AC_DEFUN([CF_FORGET_TOOL],[
1687 unset ac_cv_prog_ac_ct_$1
1688 unset ac_ct_$1
1689 unset $1
1690 ])dnl
1691 dnl ---------------------------------------------------------------------------
1692 dnl CF_FUNC_DLSYM version: 3 updated: 2012/10/06 11:17:15
1693 dnl -------------
1694 dnl Test for dlsym() and related functions, as well as libdl.
1695 dnl
1696 dnl Sets
1697 dnl     $cf_have_dlsym
1698 dnl     $cf_have_libdl
1699 AC_DEFUN([CF_FUNC_DLSYM],[
1700 cf_have_dlsym=no
1701 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
1702
1703 cf_have_libdl=no
1704 AC_CHECK_LIB(dl,dlsym,[
1705         cf_have_dlsym=yes
1706         cf_have_libdl=yes])])
1707
1708 if test "$cf_have_dlsym" = yes ; then
1709         test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
1710
1711         AC_MSG_CHECKING(whether able to link to dl*() functions)
1712         AC_TRY_LINK([#include <dlfcn.h>],[
1713                 void *obj;
1714                 if ((obj = dlopen("filename", 0)) != 0) {
1715                         if (dlsym(obj, "symbolname") == 0) {
1716                         dlclose(obj);
1717                         }
1718                 }],[
1719                 AC_DEFINE(HAVE_LIBDL,1,[Define to 1 if we have dl library])],[
1720                 AC_MSG_ERROR(Cannot link test program for libdl)])
1721         AC_MSG_RESULT(ok)
1722 else
1723         AC_MSG_ERROR(Cannot find dlsym function)
1724 fi
1725 ])
1726 dnl ---------------------------------------------------------------------------
1727 dnl CF_FUNC_MEMMOVE version: 8 updated: 2012/10/04 20:12:20
1728 dnl ---------------
1729 dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
1730 dnl is found, add our own version of memmove to the list of objects.
1731 AC_DEFUN([CF_FUNC_MEMMOVE],
1732 [
1733 AC_CHECK_FUNC(memmove,,[
1734 AC_CHECK_FUNC(bcopy,[
1735         AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
1736                 AC_TRY_RUN([
1737 int main() {
1738         static char data[] = "abcdefghijklmnopqrstuwwxyz";
1739         char temp[40];
1740         bcopy(data, temp, sizeof(data));
1741         bcopy(temp+10, temp, 15);
1742         bcopy(temp+5, temp+15, 10);
1743         ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
1744 }
1745                 ],
1746                 [cf_cv_good_bcopy=yes],
1747                 [cf_cv_good_bcopy=no],
1748                 [cf_cv_good_bcopy=unknown])
1749                 ])
1750         ],[cf_cv_good_bcopy=no])
1751         if test "$cf_cv_good_bcopy" = yes ; then
1752                 AC_DEFINE(USE_OK_BCOPY,1,[Define to 1 to use bcopy when memmove is unavailable])
1753         else
1754                 AC_DEFINE(USE_MY_MEMMOVE,1,[Define to 1 to use replacement function when memmove is unavailable])
1755         fi
1756 ])])dnl
1757 dnl ---------------------------------------------------------------------------
1758 dnl CF_FUNC_NANOSLEEP version: 4 updated: 2012/10/06 17:56:13
1759 dnl -----------------
1760 dnl Check for existence of workable nanosleep() function.  Some systems, e.g.,
1761 dnl AIX 4.x, provide a non-working version.
1762 AC_DEFUN([CF_FUNC_NANOSLEEP],[
1763 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
1764 AC_TRY_RUN([
1765 #include <stdio.h>
1766 #include <errno.h>
1767 #include <time.h>
1768
1769 #ifdef HAVE_SYS_TIME_H
1770 #include <sys/time.h>
1771 #endif
1772
1773 int main() {
1774         struct timespec ts1, ts2;
1775         int code;
1776         ts1.tv_sec  = 0;
1777         ts1.tv_nsec = 750000000;
1778         ts2.tv_sec  = 0;
1779         ts2.tv_nsec = 0;
1780         errno = 0;
1781         code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
1782         ${cf_cv_main_return:-return}(code != 0);
1783 }
1784 ],
1785         [cf_cv_func_nanosleep=yes],
1786         [cf_cv_func_nanosleep=no],
1787         [cf_cv_func_nanosleep=unknown])])
1788
1789 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP,1,[Define to 1 if we have nanosleep()])
1790 ])
1791 dnl ---------------------------------------------------------------------------
1792 dnl CF_FUNC_OPENPTY version: 4 updated: 2015/04/18 08:56:57
1793 dnl ---------------
1794 dnl Check for openpty() function, along with <pty.h> header.  It may need the
1795 dnl "util" library as well.
1796 AC_DEFUN([CF_FUNC_OPENPTY],
1797 [
1798 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
1799 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
1800         cf_save_LIBS="$LIBS"
1801         test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
1802         for cf_header in pty.h libutil.h util.h
1803         do
1804         AC_TRY_LINK([
1805 #include <$cf_header>
1806 ],[
1807         int x = openpty((int *)0, (int *)0, (char *)0,
1808                                    (struct termios *)0, (struct winsize *)0);
1809 ],[
1810                 cf_cv_func_openpty=$cf_header
1811                 break
1812 ],[
1813                 cf_cv_func_openpty=no
1814 ])
1815         done
1816         LIBS="$cf_save_LIBS"
1817 ])
1818 ])dnl
1819 dnl ---------------------------------------------------------------------------
1820 dnl CF_FUNC_POLL version: 8 updated: 2012/10/04 05:24:07
1821 dnl ------------
1822 dnl See if the poll function really works.  Some platforms have poll(), but
1823 dnl it does not work for terminals or files.
1824 AC_DEFUN([CF_FUNC_POLL],[
1825 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
1826 AC_TRY_RUN([
1827 #include <stdlib.h>
1828 #include <stdio.h>
1829 #include <unistd.h>
1830 #include <fcntl.h>
1831 #ifdef HAVE_POLL_H
1832 #include <poll.h>
1833 #else
1834 #include <sys/poll.h>
1835 #endif
1836 int main() {
1837         struct pollfd myfds;
1838         int ret;
1839
1840         /* check for Darwin bug with respect to "devices" */
1841         myfds.fd = open("/dev/null", 1);        /* O_WRONLY */
1842         if (myfds.fd < 0)
1843                 myfds.fd = 0;
1844         myfds.events = POLLIN;
1845         myfds.revents = 0;
1846
1847         ret = poll(&myfds, 1, 100);
1848
1849         if (ret < 0 || (myfds.revents & POLLNVAL)) {
1850                 ret = -1;
1851         } else {
1852                 int fd = 0;
1853                 if (!isatty(fd)) {
1854                         fd = open("/dev/tty", 2);       /* O_RDWR */
1855                 }
1856
1857                 if (fd >= 0) {
1858                         /* also check with standard input */
1859                         myfds.fd = fd;
1860                         myfds.events = POLLIN;
1861                         myfds.revents = 0;
1862                         ret = poll(&myfds, 1, 100);
1863                 } else {
1864                         ret = -1;
1865                 }
1866         }
1867         ${cf_cv_main_return:-return}(ret < 0);
1868 }],
1869         [cf_cv_working_poll=yes],
1870         [cf_cv_working_poll=no],
1871         [cf_cv_working_poll=unknown])])
1872 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL,1,[Define to 1 if the poll function seems to work])
1873 ])dnl
1874 dnl ---------------------------------------------------------------------------
1875 dnl CF_FUNC_TERMIOS version: 3 updated: 2012/10/06 17:56:13
1876 dnl ---------------
1877 dnl Some old/broken variations define tcgetattr() only as a macro in
1878 dnl termio(s).h
1879 AC_DEFUN([CF_FUNC_TERMIOS],[
1880 AC_REQUIRE([CF_STRUCT_TERMIOS])
1881 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
1882 AC_TRY_LINK([
1883 #include <sys/types.h>
1884 #ifdef HAVE_UNISTD_H
1885 #include <unistd.h>
1886 #endif
1887 #ifdef HAVE_TERMIOS_H
1888 #include <termios.h>
1889 #define TTY struct termios
1890 #else
1891 #ifdef HAVE_TERMIO_H
1892 #include <termio.h>
1893 #define TTY struct termio
1894 #endif
1895 #endif
1896 ],[
1897 TTY foo;
1898 tcgetattr(1, &foo);],
1899 [cf_cv_have_tcgetattr=yes],
1900 [cf_cv_have_tcgetattr=no])])
1901 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR,1,[Define to 1 if we have tcgetattr])
1902 ])dnl
1903 dnl ---------------------------------------------------------------------------
1904 dnl CF_FUNC_VSSCANF version: 6 updated: 2015/04/18 08:56:57
1905 dnl ---------------
1906 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
1907 dnl versions of C.  It is in the GNU C library, and can often be simulated by
1908 dnl other functions.
1909 AC_DEFUN([CF_FUNC_VSSCANF],
1910 [
1911 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
1912 AC_TRY_LINK([
1913 #include <stdarg.h>
1914 #include <stdio.h>],[
1915         va_list ap;
1916         vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
1917 AC_TRY_LINK([
1918 #include <stdarg.h>
1919 #include <stdio.h>],[
1920         FILE strbuf;
1921         char *str = "from";
1922
1923         strbuf._flag = _IOREAD;
1924         strbuf._ptr = strbuf._base = (unsigned char *) str;
1925         strbuf._cnt = strlen(str);
1926         strbuf._file = _NFILE;
1927         return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
1928 AC_TRY_LINK([
1929 #include <stdarg.h>
1930 #include <stdio.h>],[
1931         FILE strbuf;
1932         char *str = "from";
1933
1934         strbuf._flag = _IOREAD;
1935         strbuf._ptr = strbuf._base = (unsigned char *) str;
1936         strbuf._cnt = strlen(str);
1937         strbuf._file = _NFILE;
1938         return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
1939 cf_cv_func_vsscanf=no])])])])
1940
1941 case $cf_cv_func_vsscanf in
1942 (vsscanf) AC_DEFINE(HAVE_VSSCANF,1,[Define to 1 if we have vsscanf]);;
1943 (vfscanf) AC_DEFINE(HAVE_VFSCANF,1,[Define to 1 if we have vfscanf]);;
1944 (_doscan) AC_DEFINE(HAVE__DOSCAN,1,[Define to 1 if we have _doscan]);;
1945 esac
1946
1947 ])dnl
1948 dnl ---------------------------------------------------------------------------
1949 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
1950 dnl -----------------
1951 dnl Test for availability of useful gcc __attribute__ directives to quiet
1952 dnl compiler warnings.  Though useful, not all are supported -- and contrary
1953 dnl to documentation, unrecognized directives cause older compilers to barf.
1954 AC_DEFUN([CF_GCC_ATTRIBUTES],
1955 [
1956 if test "$GCC" = yes
1957 then
1958 cat > conftest.i <<EOF
1959 #ifndef GCC_PRINTF
1960 #define GCC_PRINTF 0
1961 #endif
1962 #ifndef GCC_SCANF
1963 #define GCC_SCANF 0
1964 #endif
1965 #ifndef GCC_NORETURN
1966 #define GCC_NORETURN /* nothing */
1967 #endif
1968 #ifndef GCC_UNUSED
1969 #define GCC_UNUSED /* nothing */
1970 #endif
1971 EOF
1972 if test "$GCC" = yes
1973 then
1974         AC_CHECKING([for $CC __attribute__ directives])
1975 cat > conftest.$ac_ext <<EOF
1976 #line __oline__ "${as_me:-configure}"
1977 #include "confdefs.h"
1978 #include "conftest.h"
1979 #include "conftest.i"
1980 #if     GCC_PRINTF
1981 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1982 #else
1983 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1984 #endif
1985 #if     GCC_SCANF
1986 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1987 #else
1988 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1989 #endif
1990 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1991 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1992 extern void foo(void) GCC_NORETURN;
1993 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1994 EOF
1995         cf_printf_attribute=no
1996         cf_scanf_attribute=no
1997         for cf_attribute in scanf printf unused noreturn
1998         do
1999                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
2000                 cf_directive="__attribute__(($cf_attribute))"
2001                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
2002
2003                 case $cf_attribute in
2004                 (printf)
2005                         cf_printf_attribute=yes
2006                         cat >conftest.h <<EOF
2007 #define GCC_$cf_ATTRIBUTE 1
2008 EOF
2009                         ;;
2010                 (scanf)
2011                         cf_scanf_attribute=yes
2012                         cat >conftest.h <<EOF
2013 #define GCC_$cf_ATTRIBUTE 1
2014 EOF
2015                         ;;
2016                 (*)
2017                         cat >conftest.h <<EOF
2018 #define GCC_$cf_ATTRIBUTE $cf_directive
2019 EOF
2020                         ;;
2021                 esac
2022
2023                 if AC_TRY_EVAL(ac_compile); then
2024                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
2025                         cat conftest.h >>confdefs.h
2026                         case $cf_attribute in
2027                         (noreturn)
2028                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
2029                                 ;;
2030                         (printf)
2031                                 cf_value='/* nothing */'
2032                                 if test "$cf_printf_attribute" != no ; then
2033                                         cf_value='__attribute__((format(printf,fmt,var)))'
2034                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
2035                                 fi
2036                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
2037                                 ;;
2038                         (scanf)
2039                                 cf_value='/* nothing */'
2040                                 if test "$cf_scanf_attribute" != no ; then
2041                                         cf_value='__attribute__((format(scanf,fmt,var)))'
2042                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
2043                                 fi
2044                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
2045                                 ;;
2046                         (unused)
2047                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
2048                                 ;;
2049                         esac
2050                 fi
2051         done
2052 else
2053         fgrep define conftest.i >>confdefs.h
2054 fi
2055 rm -rf conftest*
2056 fi
2057 ])dnl
2058 dnl ---------------------------------------------------------------------------
2059 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
2060 dnl --------------
2061 dnl Find version of gcc
2062 AC_DEFUN([CF_GCC_VERSION],[
2063 AC_REQUIRE([AC_PROG_CC])
2064 GCC_VERSION=none
2065 if test "$GCC" = yes ; then
2066         AC_MSG_CHECKING(version of $CC)
2067         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2068         test -z "$GCC_VERSION" && GCC_VERSION=unknown
2069         AC_MSG_RESULT($GCC_VERSION)
2070 fi
2071 ])dnl
2072 dnl ---------------------------------------------------------------------------
2073 dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
2074 dnl ---------------
2075 dnl Check if the compiler supports useful warning options.  There's a few that
2076 dnl we don't use, simply because they're too noisy:
2077 dnl
2078 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
2079 dnl     -Wredundant-decls (system headers make this too noisy)
2080 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
2081 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
2082 dnl             is enabled for ncurses using "--enable-const".
2083 dnl     -pedantic
2084 dnl
2085 dnl Parameter:
2086 dnl     $1 is an optional list of gcc warning flags that a particular
2087 dnl             application might want to use, e.g., "no-unused" for
2088 dnl             -Wno-unused
2089 dnl Special:
2090 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2091 dnl
2092 AC_DEFUN([CF_GCC_WARNINGS],
2093 [
2094 AC_REQUIRE([CF_GCC_VERSION])
2095 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
2096 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
2097
2098 cat > conftest.$ac_ext <<EOF
2099 #line __oline__ "${as_me:-configure}"
2100 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2101 EOF
2102
2103 if test "$INTEL_COMPILER" = yes
2104 then
2105 # The "-wdXXX" options suppress warnings:
2106 # remark #1419: external declaration in primary source file
2107 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2108 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2109 # remark #193: zero used for undefined preprocessing identifier
2110 # remark #593: variable "curs_sb_left_arrow" was set but never used
2111 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2112 # remark #869: parameter "tw" was never referenced
2113 # remark #981: operands are evaluated in unspecified order
2114 # warning #279: controlling expression is constant
2115
2116         AC_CHECKING([for $CC warning options])
2117         cf_save_CFLAGS="$CFLAGS"
2118         EXTRA_CFLAGS="-Wall"
2119         for cf_opt in \
2120                 wd1419 \
2121                 wd1683 \
2122                 wd1684 \
2123                 wd193 \
2124                 wd593 \
2125                 wd279 \
2126                 wd810 \
2127                 wd869 \
2128                 wd981
2129         do
2130                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2131                 if AC_TRY_EVAL(ac_compile); then
2132                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2133                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2134                 fi
2135         done
2136         CFLAGS="$cf_save_CFLAGS"
2137
2138 elif test "$GCC" = yes
2139 then
2140         AC_CHECKING([for $CC warning options])
2141         cf_save_CFLAGS="$CFLAGS"
2142         EXTRA_CFLAGS=
2143         cf_warn_CONST=""
2144         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
2145         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
2146         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
2147         for cf_opt in W Wall \
2148                 Wbad-function-cast \
2149                 Wcast-align \
2150                 Wcast-qual \
2151                 Wdeclaration-after-statement \
2152                 Wextra \
2153                 Winline \
2154                 Wmissing-declarations \
2155                 Wmissing-prototypes \
2156                 Wnested-externs \
2157                 Wpointer-arith \
2158                 Wshadow \
2159                 Wstrict-prototypes \
2160                 Wundef $cf_gcc_warnings $cf_warn_CONST $1
2161         do
2162                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2163                 if AC_TRY_EVAL(ac_compile); then
2164                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2165                         case $cf_opt in
2166                         (Wcast-qual)
2167                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
2168                                 ;;
2169                         (Winline)
2170                                 case $GCC_VERSION in
2171                                 ([[34]].*)
2172                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2173                                         continue;;
2174                                 esac
2175                                 ;;
2176                         (Wpointer-arith)
2177                                 case $GCC_VERSION in
2178                                 ([[12]].*)
2179                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2180                                         continue;;
2181                                 esac
2182                                 ;;
2183                         esac
2184                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2185                 fi
2186         done
2187         CFLAGS="$cf_save_CFLAGS"
2188 fi
2189 rm -rf conftest*
2190
2191 AC_SUBST(EXTRA_CFLAGS)
2192 ])dnl
2193 dnl ---------------------------------------------------------------------------
2194 dnl CF_GETOPT_HEADER version: 6 updated: 2014/07/22 14:45:54
2195 dnl ----------------
2196 dnl Check for getopt's variables which are commonly defined in stdlib.h,
2197 dnl unistd.h or (nonstandard) in getopt.h
2198 AC_DEFUN([CF_GETOPT_HEADER],
2199 [
2200 AC_HAVE_HEADERS(unistd.h getopt.h)
2201 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
2202 cf_cv_getopt_header=none
2203 for cf_header in stdio.h stdlib.h unistd.h getopt.h
2204 do
2205 AC_TRY_COMPILE([
2206 #include <$cf_header>],
2207 [int x = optind; char *y = optarg],
2208 [cf_cv_getopt_header=$cf_header
2209  break])
2210 done
2211 ])
2212 if test $cf_cv_getopt_header != none ; then
2213         AC_DEFINE(HAVE_GETOPT_HEADER,1,[Define to 1 if getopt variables are declared in header])
2214 fi
2215 if test $cf_cv_getopt_header = getopt.h ; then
2216         AC_DEFINE(NEED_GETOPT_H,1,[Define to 1 if we must include getopt.h])
2217 fi
2218 ])dnl
2219 dnl ---------------------------------------------------------------------------
2220 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
2221 dnl -----------------
2222 AC_DEFUN([CF_GNATPREP_OPT_T],[
2223 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
2224 cf_cv_gnatprep_opt_t=no
2225 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
2226 ])
2227 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
2228 AC_SUBST(GNATPREP_OPTS)
2229 ])dnl
2230 dnl ---------------------------------------------------------------------------
2231 dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
2232 dnl ----------------
2233 AC_DEFUN([CF_GNAT_GENERICS],
2234 [
2235 AC_REQUIRE([CF_GNAT_VERSION])
2236
2237 AC_MSG_CHECKING(if GNAT supports generics)
2238 case $cf_gnat_version in
2239 (3.[[1-9]]*|[[4-9]].*)
2240         cf_gnat_generics=yes
2241         ;;
2242 (*)
2243         cf_gnat_generics=no
2244         ;;
2245 esac
2246 AC_MSG_RESULT($cf_gnat_generics)
2247
2248 if test "$cf_gnat_generics" = yes
2249 then
2250         cf_compile_generics=generics
2251         cf_generic_objects="\${GENOBJS}"
2252 else
2253         cf_compile_generics=
2254         cf_generic_objects=
2255 fi
2256
2257 AC_SUBST(cf_compile_generics)
2258 AC_SUBST(cf_generic_objects)
2259 ])dnl
2260 dnl ---------------------------------------------------------------------------
2261 dnl CF_GNAT_PROJECTS version: 8 updated: 2015/04/17 21:13:04
2262 dnl ----------------
2263 dnl GNAT projects are configured with ".gpr" project files.
2264 dnl GNAT libraries are a further development, using the project feature.
2265 AC_DEFUN([CF_GNAT_PROJECTS],
2266 [
2267 AC_REQUIRE([CF_GNAT_VERSION])
2268 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
2269
2270 cf_gnat_libraries=no
2271 cf_gnat_projects=no
2272
2273 if test "$enable_gnat_projects" != no ; then
2274 AC_MSG_CHECKING(if GNAT supports project files)
2275 case $cf_gnat_version in
2276 (3.[[0-9]]*)
2277         ;;
2278 (*)
2279         case $cf_cv_system_name in
2280         (cygwin*|msys*)
2281                 ;;
2282         (*)
2283                 mkdir conftest.src conftest.bin conftest.lib
2284                 cd conftest.src
2285                 rm -rf conftest* *~conftest*
2286                 cat >>library.gpr <<CF_EOF
2287 project Library is
2288   Kind := External ("LIB_KIND");
2289   for Library_Name use "ConfTest";
2290   for Object_Dir use ".";
2291   for Library_ALI_Dir use External("LIBRARY_DIR");
2292   for Library_Version use External ("SONAME");
2293   for Library_Kind use Kind;
2294   for Library_Dir use External("BUILD_DIR");
2295   Source_Dir := External ("SOURCE_DIR");
2296   for Source_Dirs use (Source_Dir);
2297 end Library;
2298 CF_EOF
2299                 cat >>confpackage.ads <<CF_EOF
2300 package ConfPackage is
2301    procedure conftest;
2302 end ConfPackage;
2303 CF_EOF
2304                 cat >>confpackage.adb <<CF_EOF
2305 with Text_IO;
2306 package body ConfPackage is
2307    procedure conftest is
2308    begin
2309       Text_IO.Put ("Hello World");
2310       Text_IO.New_Line;
2311    end conftest;
2312 end ConfPackage;
2313 CF_EOF
2314                 if ( $cf_ada_make $ADAFLAGS \
2315                                 -Plibrary.gpr \
2316                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
2317                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
2318                                 -XSOURCE_DIR=`pwd` \
2319                                 -XSONAME=libConfTest.so.1 \
2320                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
2321                         cf_gnat_projects=yes
2322                 fi
2323                 cd ..
2324                 if test -f conftest.lib/confpackage.ali
2325                 then
2326                         cf_gnat_libraries=yes
2327                 fi
2328                 rm -rf conftest* *~conftest*
2329                 ;;
2330         esac
2331         ;;
2332 esac
2333 AC_MSG_RESULT($cf_gnat_projects)
2334 fi # enable_gnat_projects
2335
2336 if test $cf_gnat_projects = yes
2337 then
2338         AC_MSG_CHECKING(if GNAT supports libraries)
2339         AC_MSG_RESULT($cf_gnat_libraries)
2340 fi
2341
2342 if test "$cf_gnat_projects" = yes
2343 then
2344         USE_OLD_MAKERULES="#"
2345         USE_GNAT_PROJECTS=""
2346 else
2347         USE_OLD_MAKERULES=""
2348         USE_GNAT_PROJECTS="#"
2349 fi
2350
2351 if test "$cf_gnat_libraries" = yes
2352 then
2353         USE_GNAT_LIBRARIES=""
2354 else
2355         USE_GNAT_LIBRARIES="#"
2356 fi
2357
2358 AC_SUBST(USE_OLD_MAKERULES)
2359 AC_SUBST(USE_GNAT_PROJECTS)
2360 AC_SUBST(USE_GNAT_LIBRARIES)
2361 ])dnl
2362 dnl ---------------------------------------------------------------------------
2363 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
2364 dnl --------------
2365 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
2366 dnl is noted that gnat may compile a tasking unit even for configurations which
2367 dnl fail at runtime.
2368 AC_DEFUN([CF_GNAT_SIGINT],[
2369 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
2370 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
2371
2372 package ConfTest is
2373
2374    pragma Warnings (Off);  --  the next pragma exists since 3.11p
2375    pragma Unreserve_All_Interrupts;
2376    pragma Warnings (On);
2377
2378    protected Process is
2379       procedure Stop;
2380       function Continue return Boolean;
2381       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
2382    private
2383       Done : Boolean := False;
2384    end Process;
2385
2386 end ConfTest;],
2387 [package body ConfTest is
2388    protected body Process is
2389       procedure Stop is
2390       begin
2391          Done := True;
2392       end Stop;
2393       function Continue return Boolean is
2394       begin
2395          return not Done;
2396       end Continue;
2397    end Process;
2398 end ConfTest;],
2399         [cf_cv_gnat_sigint=yes],
2400         [cf_cv_gnat_sigint=no])])
2401
2402 if test $cf_cv_gnat_sigint = yes ; then
2403         USE_GNAT_SIGINT=""
2404 else
2405         USE_GNAT_SIGINT="#"
2406 fi
2407 AC_SUBST(USE_GNAT_SIGINT)
2408 ])dnl
2409 dnl ---------------------------------------------------------------------------
2410 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
2411 dnl ----------------
2412 dnl Verify that a test program compiles/links with GNAT.
2413 dnl $cf_ada_make is set to the program that compiles/links
2414 dnl $ADAFLAGS may be set to the GNAT flags.
2415 dnl
2416 dnl $1 is the text of the spec
2417 dnl $2 is the text of the body
2418 dnl $3 is the shell command to execute if successful
2419 dnl $4 is the shell command to execute if not successful
2420 AC_DEFUN([CF_GNAT_TRY_LINK],
2421 [
2422 rm -rf conftest* *~conftest*
2423 cat >>conftest.ads <<CF_EOF
2424 $1
2425 CF_EOF
2426 cat >>conftest.adb <<CF_EOF
2427 $2
2428 CF_EOF
2429 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2430 ifelse($3,,      :,[      $3])
2431 ifelse($4,,,[else
2432    $4])
2433 fi
2434 rm -rf conftest* *~conftest*
2435 ])dnl
2436 dnl ---------------------------------------------------------------------------
2437 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
2438 dnl ---------------
2439 dnl Verify that a test program compiles and runs with GNAT
2440 dnl $cf_ada_make is set to the program that compiles/links
2441 dnl $ADAFLAGS may be set to the GNAT flags.
2442 dnl
2443 dnl $1 is the text of the spec
2444 dnl $2 is the text of the body
2445 dnl $3 is the shell command to execute if successful
2446 dnl $4 is the shell command to execute if not successful
2447 AC_DEFUN([CF_GNAT_TRY_RUN],
2448 [
2449 rm -rf conftest* *~conftest*
2450 cat >>conftest.ads <<CF_EOF
2451 $1
2452 CF_EOF
2453 cat >>conftest.adb <<CF_EOF
2454 $2
2455 CF_EOF
2456 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2457    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
2458 ifelse($3,,      :,[      $3])
2459 ifelse($4,,,[   else
2460       $4])
2461    fi
2462 ifelse($4,,,[else
2463    $4])
2464 fi
2465 rm -rf conftest* *~conftest*
2466 ])dnl
2467 dnl ---------------------------------------------------------------------------
2468 dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
2469 dnl ---------------
2470 dnl Verify version of GNAT.
2471 AC_DEFUN([CF_GNAT_VERSION],
2472 [
2473 AC_MSG_CHECKING(for gnat version)
2474 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
2475         grep '[[0-9]].[[0-9]][[0-9]]*' |\
2476         sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
2477 AC_MSG_RESULT($cf_gnat_version)
2478
2479 case $cf_gnat_version in
2480 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
2481         cf_cv_prog_gnat_correct=yes
2482         ;;
2483 (*)
2484         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
2485         cf_cv_prog_gnat_correct=no
2486         ;;
2487 esac
2488 ])
2489 dnl ---------------------------------------------------------------------------
2490 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
2491 dnl -------------
2492 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2493 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
2494 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2495 dnl since it is interwoven with GNU extensions.
2496 dnl
2497 dnl Well, yes we could work around it...
2498 AC_DEFUN([CF_GNU_SOURCE],
2499 [
2500 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2501 AC_TRY_COMPILE([#include <sys/types.h>],[
2502 #ifndef _XOPEN_SOURCE
2503 make an error
2504 #endif],
2505         [cf_cv_gnu_source=no],
2506         [cf_save="$CPPFLAGS"
2507          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2508          AC_TRY_COMPILE([#include <sys/types.h>],[
2509 #ifdef _XOPEN_SOURCE
2510 make an error
2511 #endif],
2512         [cf_cv_gnu_source=no],
2513         [cf_cv_gnu_source=yes])
2514         CPPFLAGS="$cf_save"
2515         ])
2516 ])
2517 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2518 ])dnl
2519 dnl ---------------------------------------------------------------------------
2520 dnl CF_GPP_LIBRARY version: 12 updated: 2015/04/17 21:13:04
2521 dnl --------------
2522 dnl If we're trying to use g++, test if libg++ is installed (a rather common
2523 dnl problem :-).  If we have the compiler but no library, we'll be able to
2524 dnl configure, but won't be able to build the c++ demo program.
2525 AC_DEFUN([CF_GPP_LIBRARY],
2526 [
2527 cf_cxx_library=unknown
2528 case $cf_cv_system_name in
2529 (os2*)
2530         cf_gpp_libname=gpp
2531         ;;
2532 (*)
2533         cf_gpp_libname=g++
2534         ;;
2535 esac
2536 if test "$GXX" = yes; then
2537         AC_MSG_CHECKING([for lib$cf_gpp_libname])
2538         cf_save="$LIBS"
2539         CF_ADD_LIB($cf_gpp_libname)
2540         AC_TRY_LINK([
2541 #include <$cf_gpp_libname/builtin.h>
2542         ],
2543         [two_arg_error_handler_t foo2 = lib_error_handler],
2544         [cf_cxx_library=yes
2545          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2546          if test "$cf_gpp_libname" = cpp ; then
2547             AC_DEFINE(HAVE_GPP_BUILTIN_H,1,[Define to 1 if we have gpp builtin.h])
2548          else
2549             AC_DEFINE(HAVE_GXX_BUILTIN_H,1,[Define to 1 if we have g++ builtin.h])
2550          fi],
2551         [AC_TRY_LINK([
2552 #include <builtin.h>
2553         ],
2554         [two_arg_error_handler_t foo2 = lib_error_handler],
2555         [cf_cxx_library=yes
2556          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2557          AC_DEFINE(HAVE_BUILTIN_H,1,[Define to 1 if we have builtin.h])],
2558         [cf_cxx_library=no])])
2559         LIBS="$cf_save"
2560         AC_MSG_RESULT($cf_cxx_library)
2561 fi
2562 ])dnl
2563 dnl ---------------------------------------------------------------------------
2564 dnl CF_GXX_VERSION version: 7 updated: 2012/06/16 14:55:39
2565 dnl --------------
2566 dnl Check for version of g++
2567 AC_DEFUN([CF_GXX_VERSION],[
2568 AC_REQUIRE([AC_PROG_CPP])
2569 GXX_VERSION=none
2570 if test "$GXX" = yes; then
2571         AC_MSG_CHECKING(version of ${CXX:-g++})
2572         GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2573         test -z "$GXX_VERSION" && GXX_VERSION=unknown
2574         AC_MSG_RESULT($GXX_VERSION)
2575 fi
2576 ])dnl
2577 dnl ---------------------------------------------------------------------------
2578 dnl CF_GXX_WARNINGS version: 9 updated: 2015/04/17 21:13:04
2579 dnl ---------------
2580 dnl Check if the compiler supports useful warning options.
2581 dnl
2582 dnl Most of gcc's options apply to g++, except:
2583 dnl     -Wbad-function-cast
2584 dnl     -Wmissing-declarations
2585 dnl     -Wnested-externs
2586 dnl
2587 dnl Omit a few (for now):
2588 dnl     -Winline
2589 dnl
2590 dnl Parameter:
2591 dnl     $1 is an optional list of g++ warning flags that a particular
2592 dnl             application might want to use, e.g., "no-unused" for
2593 dnl             -Wno-unused
2594 dnl Special:
2595 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2596 dnl
2597 AC_DEFUN([CF_GXX_WARNINGS],
2598 [
2599
2600 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
2601 CF_CLANG_COMPILER(GXX,CLANG_CPLUSPLUS,CXXFLAGS)
2602
2603 AC_REQUIRE([CF_GXX_VERSION])
2604
2605 AC_LANG_SAVE
2606 AC_LANG_CPLUSPLUS
2607
2608 cat > conftest.$ac_ext <<EOF
2609 #line __oline__ "configure"
2610 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2611 EOF
2612
2613 if test "$INTEL_CPLUSPLUS" = yes
2614 then
2615 # The "-wdXXX" options suppress warnings:
2616 # remark #1419: external declaration in primary source file
2617 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2618 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2619 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2620 # remark #193: zero used for undefined preprocessing identifier
2621 # remark #593: variable "curs_sb_left_arrow" was set but never used
2622 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2623 # remark #869: parameter "tw" was never referenced
2624 # remark #981: operands are evaluated in unspecified order
2625 # warning #269: invalid format string conversion
2626
2627         AC_CHECKING([for $CC warning options])
2628         cf_save_CXXFLAGS="$CXXFLAGS"
2629         EXTRA_CXXFLAGS="-Wall"
2630         for cf_opt in \
2631                 wd1419 \
2632                 wd1682 \
2633                 wd1683 \
2634                 wd1684 \
2635                 wd193 \
2636                 wd279 \
2637                 wd593 \
2638                 wd810 \
2639                 wd869 \
2640                 wd981
2641         do
2642                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
2643                 if AC_TRY_EVAL(ac_compile); then
2644                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2645                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2646                 fi
2647         done
2648         CXXFLAGS="$cf_save_CXXFLAGS"
2649
2650 elif test "$GXX" = yes
2651 then
2652         AC_CHECKING([for $CXX warning options])
2653         cf_save_CXXFLAGS="$CXXFLAGS"
2654         EXTRA_CXXFLAGS="-W -Wall"
2655         cf_gxx_extra_warnings=""
2656         test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
2657         case "$GCC_VERSION" in
2658         ([[1-2]].*)
2659                 ;;
2660         (*)
2661                 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
2662                 ;;
2663         esac
2664         for cf_opt in \
2665                 Wabi \
2666                 fabi-version=0 \
2667                 Wextra \
2668                 Wignored-qualifiers \
2669                 Wlogical-op \
2670                 Woverloaded-virtual \
2671                 Wsign-promo \
2672                 Wsynth \
2673                 Wold-style-cast \
2674                 Wcast-align \
2675                 Wcast-qual \
2676                 Wpointer-arith \
2677                 Wshadow \
2678                 Wundef $cf_gxx_extra_warnings $1
2679         do
2680                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
2681                 if AC_TRY_EVAL(ac_compile); then
2682                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2683                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2684                 else
2685                         test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
2686                 fi
2687         done
2688         CXXFLAGS="$cf_save_CXXFLAGS"
2689 fi
2690
2691 rm -rf conftest*
2692 AC_LANG_RESTORE
2693 AC_SUBST(EXTRA_CXXFLAGS)
2694 ])dnl
2695 dnl ---------------------------------------------------------------------------
2696 dnl CF_HASHED_DB version: 7 updated: 2015/04/18 08:56:57
2697 dnl ------------
2698 dnl Look for an instance of the Berkeley hashed database.
2699 dnl
2700 dnl $1 = optional parameter, to specify install-prefix for the database.
2701 AC_DEFUN([CF_HASHED_DB],
2702 [
2703 ifelse([$1],,,[
2704 case $1 in
2705 (yes|*able*)
2706         ;;
2707 (*)
2708         if test -d "$1" ; then
2709                 CF_ADD_INCDIR($1/include)
2710                 CF_ADD_LIBDIR($1/lib)
2711         else
2712                 case "$1" in
2713                 (./*|../*|/*)
2714                         AC_MSG_WARN(no such directory $1)
2715                         ;;
2716                 (*)
2717                         CF_FIND_SUB_INCDIR($1)
2718                         CF_FIND_SUB_LIBDIR($1)
2719                         ;;
2720                 esac
2721         fi
2722 esac
2723 ])
2724 AC_CHECK_HEADER(db.h,[
2725 CF_HASHED_DB_VERSION
2726 if test "$cf_cv_hashed_db_version" = unknown ; then
2727         AC_MSG_ERROR(Cannot determine version of db)
2728 else
2729         CF_HASHED_DB_LIBS
2730         if test "$cf_cv_hashed_db_libs" = unknown ; then
2731                 AC_MSG_ERROR(Cannot determine library for db)
2732         elif test "$cf_cv_hashed_db_libs" != default ; then
2733                 CF_ADD_LIB($cf_cv_hashed_db_libs)
2734         fi
2735 fi
2736 ],[
2737         AC_MSG_ERROR(Cannot find db.h)
2738 ])
2739 ])dnl
2740 dnl ---------------------------------------------------------------------------
2741 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
2742 dnl -----------------
2743 dnl Given that we have the header and version for hashed database, find the
2744 dnl library information.
2745 AC_DEFUN([CF_HASHED_DB_LIBS],
2746 [
2747 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
2748 cf_cv_hashed_db_libs=unknown
2749 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
2750 do
2751         cf_save_libs="$LIBS"
2752         if test -n "$cf_db_libs"; then
2753                 CF_ADD_LIB($cf_db_libs)
2754         fi
2755         CF_MSG_LOG(checking for library "$cf_db_libs")
2756         AC_TRY_LINK([
2757 $ac_includes_default
2758 #include <db.h>
2759 ],[
2760         char *path = "/tmp/foo";
2761 #ifdef DB_VERSION_MAJOR
2762 #if DB_VERSION_MAJOR >= 4
2763         DB *result = 0;
2764         db_create(&result, NULL, 0);
2765         result->open(result,
2766                 NULL,
2767                 path,
2768                 path,
2769                 DB_HASH,
2770                 DB_CREATE,
2771                 0644);
2772 #elif DB_VERSION_MAJOR >= 3
2773         DB *result = 0;
2774         db_create(&result, NULL, 0);
2775         result->open(result,
2776                 path,
2777                 path,
2778                 DB_HASH,
2779                 DB_CREATE,
2780                 0644);
2781 #elif DB_VERSION_MAJOR >= 2
2782         DB *result = 0;
2783         db_open(path,
2784                 DB_HASH,
2785                 DB_CREATE,
2786                 0644,
2787                 (DB_ENV *) 0,
2788                 (DB_INFO *) 0,
2789                 &result);
2790 #endif /* DB_VERSION_MAJOR */
2791 #else
2792         DB *result = dbopen(path,
2793                      2,
2794                      0644,
2795                      DB_HASH,
2796                      0);
2797 #endif
2798         ${cf_cv_main_return:-return}(result != 0)
2799 ],[
2800         if test -n "$cf_db_libs" ; then
2801                 cf_cv_hashed_db_libs=$cf_db_libs
2802         else
2803                 cf_cv_hashed_db_libs=default
2804         fi
2805         LIBS="$cf_save_libs"
2806         break
2807 ])
2808         LIBS="$cf_save_libs"
2809 done
2810 ])
2811 ])dnl
2812 dnl ---------------------------------------------------------------------------
2813 dnl CF_HASHED_DB_VERSION version: 4 updated: 2014/04/12 16:47:01
2814 dnl --------------------
2815 dnl Given that we have the header file for hashed database, find the version
2816 dnl information.
2817 AC_DEFUN([CF_HASHED_DB_VERSION],
2818 [
2819 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
2820 cf_cv_hashed_db_version=unknown
2821
2822 for cf_db_version in 1 2 3 4 5 6
2823 do
2824         CF_MSG_LOG(checking for db version $cf_db_version)
2825         AC_TRY_COMPILE([
2826 $ac_includes_default
2827 #include <db.h>
2828
2829 #ifdef DB_VERSION_MAJOR
2830         /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
2831 #if $cf_db_version == DB_VERSION_MAJOR
2832         /* ok */
2833 #else
2834         make an error
2835 #endif
2836 #else
2837 #if $cf_db_version == 1
2838         /* ok: assuming this is DB 1.8.5 */
2839 #else
2840         make an error
2841 #endif
2842 #endif
2843 ],[DBT *foo = 0],[
2844         cf_cv_hashed_db_version=$cf_db_version
2845         break
2846         ])
2847 done
2848 ])
2849 ])dnl
2850 dnl ---------------------------------------------------------------------------
2851 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
2852 dnl --------------
2853 dnl Construct a search-list of directories for a nonstandard header-file
2854 dnl
2855 dnl Parameters
2856 dnl     $1 = the variable to return as result
2857 dnl     $2 = the package name
2858 AC_DEFUN([CF_HEADER_PATH],
2859 [
2860 $1=
2861
2862 # collect the current set of include-directories from compiler flags
2863 cf_header_path_list=""
2864 if test -n "${CFLAGS}${CPPFLAGS}" ; then
2865         for cf_header_path in $CPPFLAGS $CFLAGS
2866         do
2867                 case $cf_header_path in
2868                 (-I*)
2869                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
2870                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
2871                         cf_header_path_list="$cf_header_path_list [$]$1"
2872                         ;;
2873                 esac
2874         done
2875 fi
2876
2877 # add the variations for the package we are looking for
2878 CF_SUBDIR_PATH($1,$2,include)
2879
2880 test "$includedir" != NONE && \
2881 test "$includedir" != "/usr/include" && \
2882 test -d "$includedir" && {
2883         test -d $includedir &&    $1="[$]$1 $includedir"
2884         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
2885 }
2886
2887 test "$oldincludedir" != NONE && \
2888 test "$oldincludedir" != "/usr/include" && \
2889 test -d "$oldincludedir" && {
2890         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
2891         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
2892 }
2893
2894 $1="[$]$1 $cf_header_path_list"
2895 ])dnl
2896 dnl ---------------------------------------------------------------------------
2897 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
2898 dnl ---------------
2899 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
2900 AC_DEFUN([CF_HELP_MESSAGE],
2901 [AC_DIVERT_HELP([$1])dnl
2902 ])dnl
2903 dnl ---------------------------------------------------------------------------
2904 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
2905 dnl ---------------
2906 dnl Construct the list of include-options according to whether we're building
2907 dnl in the source directory or using '--srcdir=DIR' option.
2908 AC_DEFUN([CF_INCLUDE_DIRS],
2909 [
2910 if test "$srcdir" != "."; then
2911         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
2912 fi
2913 CPPFLAGS="-I../include $CPPFLAGS"
2914 if test "$srcdir" != "."; then
2915         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
2916 fi
2917 CPPFLAGS="-I. $CPPFLAGS"
2918 AC_SUBST(CPPFLAGS)
2919 ])dnl
2920 dnl ---------------------------------------------------------------------------
2921 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
2922 dnl -----------------
2923 dnl Check if the given compiler is really the Intel compiler for Linux.  It
2924 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2925 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2926 dnl
2927 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2928 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
2929 dnl the wrappers for gcc and g++ warnings.
2930 dnl
2931 dnl $1 = GCC (default) or GXX
2932 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2933 dnl $3 = CFLAGS (default) or CXXFLAGS
2934 AC_DEFUN([CF_INTEL_COMPILER],[
2935 AC_REQUIRE([AC_CANONICAL_HOST])
2936 ifelse([$2],,INTEL_COMPILER,[$2])=no
2937
2938 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2939         case $host_os in
2940         (linux*|gnu*)
2941                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2942                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2943                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2944                 AC_TRY_COMPILE([],[
2945 #ifdef __INTEL_COMPILER
2946 #else
2947 make an error
2948 #endif
2949 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2950 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2951 ],[])
2952                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2953                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2954                 ;;
2955         esac
2956 fi
2957 ])dnl
2958 dnl ---------------------------------------------------------------------------
2959 dnl CF_ISASCII version: 4 updated: 2012/10/06 17:56:13
2960 dnl ----------
2961 dnl Check if we have either a function or macro for 'isascii()'.
2962 AC_DEFUN([CF_ISASCII],
2963 [
2964 AC_MSG_CHECKING(for isascii)
2965 AC_CACHE_VAL(cf_cv_have_isascii,[
2966         AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
2967         [cf_cv_have_isascii=yes],
2968         [cf_cv_have_isascii=no])
2969 ])dnl
2970 AC_MSG_RESULT($cf_cv_have_isascii)
2971 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
2972 ])dnl
2973 dnl ---------------------------------------------------------------------------
2974 dnl CF_LARGEFILE version: 9 updated: 2015/04/18 08:56:57
2975 dnl ------------
2976 dnl Add checks for large file support.
2977 AC_DEFUN([CF_LARGEFILE],[
2978 ifdef([AC_FUNC_FSEEKO],[
2979         AC_SYS_LARGEFILE
2980         if test "$enable_largefile" != no ; then
2981         AC_FUNC_FSEEKO
2982
2983         # Normally we would collect these definitions in the config.h,
2984         # but (like _XOPEN_SOURCE), some environments rely on having these
2985         # defined before any of the system headers are included.  Another
2986         # case comes up with C++, e.g., on AIX the compiler compiles the
2987         # header files by themselves before looking at the body files it is
2988         # told to compile.  For ncurses, those header files do not include
2989         # the config.h
2990         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
2991         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
2992         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
2993
2994         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2995                 AC_TRY_COMPILE([
2996 #include <sys/types.h>
2997 #include <dirent.h>
2998                 ],[
2999                 /* if transitional largefile support is setup, this is true */
3000                 extern struct dirent64 * readdir(DIR *);
3001                 struct dirent64 *x = readdir((DIR *)0);
3002                 struct dirent *y = readdir((DIR *)0);
3003                 int z = x - y;
3004                 ],
3005                 [cf_cv_struct_dirent64=yes],
3006                 [cf_cv_struct_dirent64=no])
3007         ])
3008         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
3009         fi
3010 ])
3011 ])
3012 dnl ---------------------------------------------------------------------------
3013 dnl CF_LDFLAGS_STATIC version: 12 updated: 2015/04/18 08:56:57
3014 dnl -----------------
3015 dnl Check for compiler/linker flags used to temporarily force usage of static
3016 dnl libraries.  This depends on the compiler and platform.  Use this to help
3017 dnl ensure that the linker picks up a given library based on its position in
3018 dnl the list of linker options and libraries.
3019 AC_DEFUN([CF_LDFLAGS_STATIC],[
3020
3021 if test "$GCC" = yes ; then
3022         case $cf_cv_system_name in
3023         (OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)
3024                 LDFLAGS_STATIC=
3025                 LDFLAGS_SHARED=
3026                 ;;
3027         (*)     # normally, except when broken
3028                 LDFLAGS_STATIC=-static
3029                 LDFLAGS_SHARED=-dynamic
3030                 ;;
3031         esac
3032 else
3033         case $cf_cv_system_name in
3034         (aix[[4-7]]*)   # from ld manpage
3035                 LDFLAGS_STATIC=-bstatic
3036                 LDFLAGS_SHARED=-bdynamic
3037                 ;;
3038         (hpux*)         # from ld manpage for hpux10.20, hpux11.11
3039                 # We could also use just "archive" and "shared".
3040                 LDFLAGS_STATIC=-Wl,-a,archive_shared
3041                 LDFLAGS_SHARED=-Wl,-a,shared_archive
3042                 ;;
3043         (irix*)         # from ld manpage IRIX64
3044                 LDFLAGS_STATIC=-Bstatic
3045                 LDFLAGS_SHARED=-Bdynamic
3046                 ;;
3047         (osf[[45]]*)    # from ld manpage osf4.0d, osf5.1
3048                 # alternative "-oldstyle_liblookup" (not in cc manpage)
3049                 LDFLAGS_STATIC=-noso
3050                 LDFLAGS_SHARED=-so_archive
3051                 ;;
3052         (solaris2*)
3053                 LDFLAGS_STATIC=-Bstatic
3054                 LDFLAGS_SHARED=-Bdynamic
3055                 ;;
3056         esac
3057 fi
3058
3059 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
3060 then
3061         AC_MSG_CHECKING(if linker supports switching between static/dynamic)
3062
3063         rm -f libconftest.a
3064         cat >conftest.$ac_ext <<EOF
3065 #line __oline__ "configure"
3066 #include <stdio.h>
3067 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
3068 EOF
3069         if AC_TRY_EVAL(ac_compile) ; then
3070                 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
3071                 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
3072         fi
3073         rm -f conftest.*
3074
3075         cf_save_LIBS="$LIBS"
3076
3077         LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
3078         AC_TRY_LINK([
3079 #line __oline__ "configure"
3080 #include <stdio.h>
3081 int cf_ldflags_static(FILE *fp);
3082 ],[
3083         return cf_ldflags_static(stdin);
3084 ],[
3085         # some linkers simply ignore the -dynamic
3086         case x`file conftest$ac_exeext 2>/dev/null` in
3087         (*static*)
3088                 cf_ldflags_static=no
3089                 ;;
3090         (*)
3091                 cf_ldflags_static=yes
3092                 ;;
3093         esac
3094 ],[cf_ldflags_static=no])
3095
3096         rm -f libconftest.*
3097         LIBS="$cf_save_LIBS"
3098
3099         AC_MSG_RESULT($cf_ldflags_static)
3100
3101         if test $cf_ldflags_static != yes
3102         then
3103                 LDFLAGS_STATIC=
3104                 LDFLAGS_SHARED=
3105         fi
3106 else
3107         LDFLAGS_STATIC=
3108         LDFLAGS_SHARED=
3109 fi
3110
3111 AC_SUBST(LDFLAGS_STATIC)
3112 AC_SUBST(LDFLAGS_SHARED)
3113 ])
3114 dnl ---------------------------------------------------------------------------
3115 dnl CF_LD_RPATH_OPT version: 6 updated: 2015/04/12 15:39:00
3116 dnl ---------------
3117 dnl For the given system and compiler, find the compiler flags to pass to the
3118 dnl loader to use the "rpath" feature.
3119 AC_DEFUN([CF_LD_RPATH_OPT],
3120 [
3121 AC_REQUIRE([CF_CHECK_CACHE])
3122
3123 LD_RPATH_OPT=
3124 AC_MSG_CHECKING(for an rpath option)
3125 case $cf_cv_system_name in
3126 (irix*)
3127         if test "$GCC" = yes; then
3128                 LD_RPATH_OPT="-Wl,-rpath,"
3129         else
3130                 LD_RPATH_OPT="-rpath "
3131         fi
3132         ;;
3133 (linux*|gnu*|k*bsd*-gnu)
3134         LD_RPATH_OPT="-Wl,-rpath,"
3135         ;;
3136 (openbsd[[2-9]].*|mirbsd*)
3137         LD_RPATH_OPT="-Wl,-rpath,"
3138         ;;
3139 (dragonfly*|freebsd*)
3140         LD_RPATH_OPT="-rpath "
3141         ;;
3142 (netbsd*)
3143         LD_RPATH_OPT="-Wl,-rpath,"
3144         ;;
3145 (osf*|mls+*)
3146         LD_RPATH_OPT="-rpath "
3147         ;;
3148 (solaris2*)
3149         LD_RPATH_OPT="-R"
3150         ;;
3151 (*)
3152         ;;
3153 esac
3154 AC_MSG_RESULT($LD_RPATH_OPT)
3155
3156 case "x$LD_RPATH_OPT" in
3157 (x-R*)
3158         AC_MSG_CHECKING(if we need a space after rpath option)
3159         cf_save_LIBS="$LIBS"
3160         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
3161         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
3162         LIBS="$cf_save_LIBS"
3163         AC_MSG_RESULT($cf_rpath_space)
3164         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
3165         ;;
3166 esac
3167 ])dnl
3168 dnl ---------------------------------------------------------------------------
3169 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
3170 dnl ---------------
3171 dnl Construct a search-list of directories for a nonstandard library-file
3172 dnl
3173 dnl Parameters
3174 dnl     $1 = the variable to return as result
3175 dnl     $2 = the package name
3176 AC_DEFUN([CF_LIBRARY_PATH],
3177 [
3178 $1=
3179 cf_library_path_list=""
3180 if test -n "${LDFLAGS}${LIBS}" ; then
3181         for cf_library_path in $LDFLAGS $LIBS
3182         do
3183                 case $cf_library_path in
3184                 (-L*)
3185                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
3186                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
3187                         cf_library_path_list="$cf_library_path_list [$]$1"
3188                         ;;
3189                 esac
3190         done
3191 fi
3192
3193 CF_SUBDIR_PATH($1,$2,lib)
3194
3195 $1="$cf_library_path_list [$]$1"
3196 ])dnl
3197 dnl ---------------------------------------------------------------------------
3198 dnl CF_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
3199 dnl ------------------
3200 AC_DEFUN([CF_LIBTOOL_VERSION],[
3201 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
3202 then
3203         cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
3204 else
3205         cf_cv_libtool_version=
3206 fi
3207 test -z "$cf_cv_libtool_version" && unset cf_cv_libtool_version
3208 ])dnl
3209 dnl ---------------------------------------------------------------------------
3210 dnl CF_LIB_PREFIX version: 11 updated: 2015/04/18 08:56:57
3211 dnl -------------
3212 dnl Compute the library-prefix for the given host system
3213 dnl $1 = variable to set
3214 define([CF_LIB_PREFIX],
3215 [
3216         case $cf_cv_system_name in
3217         (OS/2*|os2*)
3218                 LIB_PREFIX=''
3219                 ;;
3220         (*)     LIB_PREFIX='lib'
3221                 ;;
3222         esac
3223 ifelse($1,,,[$1=$LIB_PREFIX])
3224         AC_SUBST(LIB_PREFIX)
3225 ])dnl
3226 dnl ---------------------------------------------------------------------------
3227 dnl CF_LIB_RULES version: 81 updated: 2015/04/30 20:30:18
3228 dnl ------------
3229 dnl Append definitions and rules for the given models to the subdirectory
3230 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
3231 dnl subdirectory is a library-source directory, modify the Libs_To_Make list in
3232 dnl the corresponding makefile to list the models that we'll generate.
3233 dnl
3234 dnl For shared libraries, make a list of symbolic links to construct when
3235 dnl generating each library.  The convention used for Linux is the simplest
3236 dnl one:
3237 dnl     lib<name>.so    ->
3238 dnl     lib<name>.so.<major>    ->
3239 dnl     lib<name>.so.<maj>.<minor>
3240 dnl
3241 dnl Note: Libs_To_Make is mixed case, since it is not a pure autoconf variable.
3242 AC_DEFUN([CF_LIB_RULES],
3243 [
3244 cf_prefix=$LIB_PREFIX
3245 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3246
3247 case $cf_cv_shlib_version in
3248 (cygdll|msysdll|mingw)
3249         TINFO_NAME=$TINFO_ARG_SUFFIX
3250         TINFO_SUFFIX=.dll
3251         ;;
3252 esac
3253
3254 if test -n "$TINFO_SUFFIX" ; then
3255         case $TINFO_SUFFIX in
3256         (tw*)
3257                 TINFO_NAME="${TINFO_NAME}tw${EXTRA_SUFFIX}"
3258                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw'$EXTRA_SUFFIX'//'`
3259                 ;;
3260         (t*)
3261                 TINFO_NAME="${TINFO_NAME}t${EXTRA_SUFFIX}"
3262                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t'$EXTRA_SUFFIX'//'`
3263                 ;;
3264         (w*)
3265                 TINFO_NAME="${TINFO_NAME}w${EXTRA_SUFFIX}"
3266                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w'$EXTRA_SUFFIX'//'`
3267                 ;;
3268         esac
3269 fi
3270
3271 for cf_dir in $SRC_SUBDIRS
3272 do
3273         if test ! -d $srcdir/$cf_dir ; then
3274                 continue
3275         elif test -f $srcdir/$cf_dir/modules; then
3276
3277                 SHARED_LIB=
3278                 Libs_To_Make=
3279
3280                 cf_sed_options=
3281                 if test -n "${cf_cv_abi_version}" && test "x${cf_cv_abi_version}" != "x5"
3282                 then
3283                         cf_sed_options="$cf_sed_options -e \"s/NCURSES\\([[WT]]\\+\\)\?_/NCURSES\\1${cf_cv_abi_version}_/g\""
3284                 fi
3285
3286                 if test "x$WILDCARD_SYMS" = xno
3287                 then
3288                         cf_sed_options="$cf_sed_options -e \"s/_\*;//g\""
3289                 fi
3290
3291                 if test "x$cf_sed_options" != "x"
3292                 then
3293                         cat >>$cf_dir/Makefile <<CF_EOF
3294
3295 # Generated by CF_LIB_RULES
3296 resulting.map: $UNALTERED_SYMS
3297         sed $cf_sed_options < $UNALTERED_SYMS >\[$]@
3298
3299 clean::
3300         rm -f resulting.map
3301 CF_EOF
3302                 fi
3303
3304                 for cf_item in $cf_LIST_MODELS
3305                 do
3306                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3307                         cf_libname=$cf_dir
3308                         test "$cf_dir" = c++ && cf_libname=ncurses++
3309                         if test $cf_item = shared ; then
3310                                 if test -n "${LIB_SUFFIX}"
3311                                 then
3312                                         cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${USE_LIB_SUFFIX}"'//'`
3313                                 else
3314                                         cf_shared_suffix="$cf_suffix"
3315                                 fi
3316                                 if test "$cf_cv_do_symlinks" = yes ; then
3317                                         cf_version_name=
3318
3319                                         case "$cf_cv_shlib_version" in
3320                                         (rel)
3321                                                 cf_version_name=REL_VERSION
3322                                                 ;;
3323                                         (abi)
3324                                                 cf_version_name=ABI_VERSION
3325                                                 ;;
3326                                         esac
3327
3328                                         if test -n "$cf_version_name"
3329                                         then
3330                                                 case "$cf_cv_system_name" in
3331                                                 (darwin*)
3332                                                         # "w", etc?
3333                                                         cf_suffix="${USE_LIB_SUFFIX}"'.${'$cf_version_name'}'"$cf_shared_suffix"
3334                                                         ;;
3335                                                 (*)
3336                                                         cf_suffix="$cf_suffix"'.${'$cf_version_name'}'
3337                                                         ;;
3338                                                 esac
3339                                         fi
3340                                         if test -n "${USE_LIB_SUFFIX}"
3341                                         then
3342                                                 cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${USE_LIB_SUFFIX}"'//'`
3343                                         else
3344                                                 cf_shared_suffix="$cf_suffix"
3345                                         fi
3346                                 fi
3347                                 # cygwin needs import library, and has unique naming convention
3348                                 # use autodetected ${cf_prefix} for import lib and static lib, but
3349                                 # use 'cyg' prefix for shared lib.
3350                                 case $cf_cv_shlib_version in
3351                                 (cygdll)
3352                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3353                                         cf_add_lib="../lib/cyg${cf_libname}${cf_cygsuf}"
3354                                         ;;
3355                                 (msysdll)
3356                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3357                                         cf_add_lib="../lib/msys-${cf_libname}${cf_cygsuf}"
3358                                         ;;
3359                                 (mingw)
3360                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3361                                         cf_add_lib="../lib/lib${cf_libname}${cf_cygsuf}"
3362                                         ;;
3363                                 (*)
3364                                         cf_add_lib=
3365                                         ;;
3366                                 esac
3367                                 if test -n "$cf_add_lib"
3368                                 then
3369                                         Libs_To_Make="$Libs_To_Make $cf_add_lib"
3370                                         continue
3371                                 fi
3372                         fi
3373                         cf_add_lib="../lib/${cf_prefix}${cf_libname}${cf_suffix}"
3374                         Libs_To_Make="$Libs_To_Make $cf_add_lib"
3375                 done
3376
3377                 if test $cf_dir = ncurses ; then
3378                         cf_subsets="$LIB_SUBSETS"
3379                         cf_r_parts="$cf_subsets"
3380                         cf_liblist="$Libs_To_Make"
3381
3382                         while test -n "$cf_r_parts"
3383                         do
3384                                 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
3385                                 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
3386                                 if test "$cf_l_parts" != "$cf_r_parts" ; then
3387                                         cf_add_lib=
3388                                         case $cf_l_parts in
3389                                         (*termlib*)
3390                                                 cf_add_lib=`echo $cf_liblist |sed -e s%${LIB_NAME}${USE_LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
3391                                                 ;;
3392                                         (*ticlib*)
3393                                                 cf_add_lib=`echo $cf_liblist |sed -e s%${LIB_NAME}${USE_LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
3394                                                 ;;
3395                                         (*)
3396                                                 break
3397                                                 ;;
3398                                         esac
3399                                         if test -n "$cf_add_lib"; then
3400                                                 Libs_To_Make="$cf_add_lib $Libs_To_Make"
3401                                         fi
3402                                 else
3403                                         break
3404                                 fi
3405                         done
3406                 else
3407                         cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
3408                 fi
3409
3410                 if test $cf_dir = c++; then
3411                         if test "x$with_shared_cxx" != xyes && test -n "$cf_shared_suffix"; then
3412                                 cf_list=
3413                                 for cf_item in $Libs_To_Make
3414                                 do
3415                                         case $cf_item in
3416                                         (*.a)
3417                                                 ;;
3418                                         (*)
3419                                                 cf_item=`echo "$cf_item" | sed -e "s,"$cf_shared_suffix",.a,"`
3420                                                 ;;
3421                                         esac
3422                                         for cf_test in $cf_list
3423                                         do
3424                                                 if test "$cf_test" = "$cf_item"
3425                                                 then
3426                                                         cf_LIST_MODELS=`echo "$cf_LIST_MODELS" | sed -e 's/normal//'`
3427                                                         cf_item=
3428                                                         break
3429                                                 fi
3430                                         done
3431                                         test -n "$cf_item" && cf_list="$cf_list $cf_item"
3432                                 done
3433                                 Libs_To_Make="$cf_list"
3434                         fi
3435                 fi
3436
3437                 sed -e "s%@Libs_To_Make@%$Libs_To_Make%" \
3438                     -e "s%@SHARED_LIB@%$SHARED_LIB%" \
3439                         $cf_dir/Makefile >$cf_dir/Makefile.out
3440                 mv $cf_dir/Makefile.out $cf_dir/Makefile
3441
3442                 $AWK -f $srcdir/mk-0th.awk \
3443                         libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" ticlib="$TICS_LIB_SUFFIX" termlib="$TINFO_LIB_SUFFIX" \
3444                         $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3445
3446                 for cf_subset in $cf_subsets
3447                 do
3448                         cf_subdirs=
3449                         for cf_item in $cf_LIST_MODELS
3450                         do
3451
3452                         echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
3453                         CF_UPPER(cf_ITEM,$cf_item)
3454
3455                         CXX_MODEL=$cf_ITEM
3456                         if test "$CXX_MODEL" = SHARED; then
3457                                 case $cf_cv_shlib_version in
3458                                 (cygdll|msysdll|mingw)
3459                                         test "x$with_shared_cxx" = xno && CF_VERBOSE(overriding CXX_MODEL to SHARED)
3460                                         with_shared_cxx=yes
3461                                         ;;
3462                                 (*)
3463                                         test "x$with_shared_cxx" = xno && CXX_MODEL=NORMAL
3464                                         ;;
3465                                 esac
3466                         fi
3467
3468                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3469                         CF_OBJ_SUBDIR($cf_item,cf_subdir)
3470
3471                         # Test for case where we build libtinfo with a different name.
3472                         cf_libname=$cf_dir
3473                         if test $cf_dir = ncurses ; then
3474                                 case $cf_subset in
3475                                 (*base*)
3476                                         cf_libname=${cf_libname}$USE_LIB_SUFFIX
3477                                         ;;
3478                                 (*termlib*)
3479                                         cf_libname=$TINFO_LIB_SUFFIX
3480                                         ;;
3481                                 (ticlib*)
3482                                         cf_libname=$TICS_LIB_SUFFIX
3483                                         ;;
3484                                 esac
3485                         elif test $cf_dir = c++ ; then
3486                                 cf_libname=ncurses++$USE_LIB_SUFFIX
3487                         else
3488                                 cf_libname=${cf_libname}$USE_LIB_SUFFIX
3489                         fi
3490                         if test -n "${USE_ARG_SUFFIX}" ; then
3491                                 # undo $USE_LIB_SUFFIX add-on in CF_LIB_SUFFIX
3492                                 cf_suffix=`echo $cf_suffix |sed -e "s%^${USE_LIB_SUFFIX}%%"`
3493                         fi
3494
3495                         # These dependencies really are for development, not
3496                         # builds, but they are useful in porting, too.
3497                         cf_depend="../include/ncurses_cfg.h"
3498                         if test "$srcdir" = "."; then
3499                                 cf_reldir="."
3500                         else
3501                                 cf_reldir="\${srcdir}"
3502                         fi
3503
3504                         if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
3505                                 cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
3506                         elif test -f $srcdir/$cf_dir/curses.priv.h; then
3507                                 cf_depend="$cf_depend $cf_reldir/curses.priv.h"
3508                         fi
3509
3510                         cf_dir_suffix=
3511                         old_cf_suffix="$cf_suffix"
3512                         if test "$cf_cv_shlib_version_infix" = yes ; then
3513                         if test -n "$USE_LIB_SUFFIX" ; then
3514                                 case $USE_LIB_SUFFIX in
3515                                 (tw*)
3516                                         cf_libname=`echo $cf_libname | sed 's/tw'$EXTRA_SUFFIX'$//'`
3517                                         cf_suffix=`echo $cf_suffix | sed 's/^tw'$EXTRA_SUFFIX'//'`
3518                                         cf_dir_suffix=tw$EXTRA_SUFFIX
3519                                         ;;
3520                                 (t*)
3521                                         cf_libname=`echo $cf_libname | sed 's/t'$EXTRA_SUFFIX'$//'`
3522                                         cf_suffix=`echo $cf_suffix | sed 's/^t'$EXTRA_SUFFIX'//'`
3523                                         cf_dir_suffix=t$EXTRA_SUFFIX
3524                                         ;;
3525                                 (w*)
3526                                         cf_libname=`echo $cf_libname | sed 's/w'$EXTRA_SUFFIX'$//'`
3527                                         cf_suffix=`echo $cf_suffix | sed 's/^w'$EXTRA_SUFFIX'//'`
3528                                         cf_dir_suffix=w$EXTRA_SUFFIX
3529                                         ;;
3530                                 (*)
3531                                         cf_libname=`echo $cf_libname | sed 's/'$EXTRA_SUFFIX'$//'`
3532                                         cf_suffix=`echo $cf_suffix | sed 's/^'$EXTRA_SUFFIX'//'`
3533                                         cf_dir_suffix=$EXTRA_SUFFIX
3534                                         ;;
3535                                 esac
3536                         fi
3537                         fi
3538
3539                         $AWK -f $srcdir/mk-1st.awk \
3540                                 name=${cf_libname}${cf_dir_suffix} \
3541                                 traces=$LIB_TRACING \
3542                                 MODEL=$cf_ITEM \
3543                                 CXX_MODEL=$CXX_MODEL \
3544                                 model=$cf_subdir \
3545                                 prefix=$cf_prefix \
3546                                 suffix=$cf_suffix \
3547                                 subset=$cf_subset \
3548                                 driver=$cf_cv_term_driver \
3549                                 SymLink="$LN_S" \
3550                                 TermlibRoot=$TINFO_NAME \
3551                                 TermlibSuffix=$TINFO_SUFFIX \
3552                                 ShlibVer=$cf_cv_shlib_version \
3553                                 ShlibVerInfix=$cf_cv_shlib_version_infix \
3554                                 ReLink=${cf_cv_do_relink:-no} \
3555                                 DoLinks=$cf_cv_do_symlinks \
3556                                 rmSoLocs=$cf_cv_rm_so_locs \
3557                                 ldconfig="$LDCONFIG" \
3558                                 overwrite=$WITH_OVERWRITE \
3559                                 depend="$cf_depend" \
3560                                 host="$host" \
3561                                 libtool_version="$LIBTOOL_VERSION" \
3562                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3563
3564                         cf_suffix="$old_cf_suffix"
3565
3566                         for cf_subdir2 in $cf_subdirs lib
3567                         do
3568                                 test $cf_subdir = $cf_subdir2 && break
3569                         done
3570                         test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
3571                         $AWK -f $srcdir/mk-2nd.awk \
3572                                 name=$cf_dir \
3573                                 traces=$LIB_TRACING \
3574                                 MODEL=$cf_ITEM \
3575                                 model=$cf_subdir \
3576                                 subset=$cf_subset \
3577                                 srcdir=$srcdir \
3578                                 echo=$WITH_ECHO \
3579                                 crenames=$cf_cv_prog_CC_c_o \
3580                                 cxxrenames=$cf_cv_prog_CXX_c_o \
3581                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3582                         cf_subdirs="$cf_subdirs $cf_subdir"
3583                         done
3584                 done
3585         fi
3586
3587         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >>Makefile
3588 done
3589
3590 for cf_dir in $SRC_SUBDIRS
3591 do
3592         if test ! -d $srcdir/$cf_dir ; then
3593                 continue
3594         fi
3595
3596         if test -f $cf_dir/Makefile ; then
3597                 case "$cf_dir" in
3598                 (Ada95)
3599                         echo 'libs \' >> Makefile
3600                         echo 'install.libs \' >> Makefile
3601                         echo 'uninstall.libs ::' >> Makefile
3602                         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >> Makefile
3603                         ;;
3604                 esac
3605         fi
3606
3607         if test -f $srcdir/$cf_dir/modules; then
3608                 echo >> Makefile
3609                 if test -f $srcdir/$cf_dir/headers; then
3610 cat >> Makefile <<CF_EOF
3611 install.includes \\
3612 uninstall.includes \\
3613 CF_EOF
3614                 fi
3615 if test "$cf_dir" != "c++" ; then
3616 echo 'lint \' >> Makefile
3617 fi
3618 cat >> Makefile <<CF_EOF
3619 libs \\
3620 lintlib \\
3621 install.libs \\
3622 uninstall.libs \\
3623 install.$cf_dir \\
3624 uninstall.$cf_dir ::
3625         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3626 CF_EOF
3627         elif test -f $srcdir/$cf_dir/headers; then
3628 cat >> Makefile <<CF_EOF
3629
3630 libs \\
3631 install.libs \\
3632 uninstall.libs \\
3633 install.includes \\
3634 uninstall.includes ::
3635         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3636 CF_EOF
3637 fi
3638 done
3639
3640 if test "x$cf_with_db_install" = xyes; then
3641 cat >> Makefile <<CF_EOF
3642
3643 install.libs uninstall.libs \\
3644 install.data uninstall.data ::
3645 $MAKE_TERMINFO  cd misc && \${MAKE} \${TOP_MFLAGS} \[$]@
3646 CF_EOF
3647 else
3648 cat >> Makefile <<CF_EOF
3649
3650 install.libs uninstall.libs ::
3651         cd misc && \${MAKE} \${TOP_MFLAGS} \[$]@
3652 CF_EOF
3653 fi
3654
3655 if test "x$cf_with_manpages" = xyes; then
3656 cat >> Makefile <<CF_EOF
3657
3658 install.man \\
3659 uninstall.man ::
3660         cd man && \${MAKE} \${TOP_MFLAGS} \[$]@
3661 CF_EOF
3662 fi
3663
3664 cat >> Makefile <<CF_EOF
3665
3666 distclean ::
3667         rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
3668         rm -f headers.sh headers.sed mk_shared_lib.sh
3669         rm -f edit_man.* man_alias.*
3670         rm -rf \${DIRS_TO_MAKE}
3671 CF_EOF
3672
3673 # Special case: tack's manpage lives in its own directory.
3674 if test "x$cf_with_manpages" = xyes; then
3675 if test -d tack ; then
3676 if test -f $srcdir/$tack.h; then
3677 cat >> Makefile <<CF_EOF
3678
3679 install.man \\
3680 uninstall.man ::
3681         cd tack && \${MAKE} \${TOP_MFLAGS} \[$]@
3682 CF_EOF
3683 fi
3684 fi
3685 fi
3686
3687 dnl If we're installing into a subdirectory of /usr/include, etc., we should
3688 dnl prepend the subdirectory's name to the "#include" paths.  It won't hurt
3689 dnl anything, and will make it more standardized.  It's awkward to decide this
3690 dnl at configuration because of quoting, so we'll simply make all headers
3691 dnl installed via a script that can do the right thing.
3692
3693 rm -f headers.sed headers.sh
3694
3695 dnl ( generating this script makes the makefiles a little tidier :-)
3696 echo creating headers.sh
3697 cat >headers.sh <<CF_EOF
3698 #! /bin/sh
3699 # This shell script is generated by the 'configure' script.  It is invoked in a
3700 # subdirectory of the build tree.  It generates a sed-script in the parent
3701 # directory that is used to adjust includes for header files that reside in a
3702 # subdirectory of /usr/include, etc.
3703 PRG=""
3704 while test \[$]# != 3
3705 do
3706 PRG="\$PRG \[$]1"; shift
3707 done
3708 DST=\[$]1
3709 REF=\[$]2
3710 SRC=\[$]3
3711 TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
3712 TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
3713 echo installing \$SRC in \$DST
3714 CF_EOF
3715
3716 if test $WITH_CURSES_H = yes; then
3717         cat >>headers.sh <<CF_EOF
3718 case \$DST in
3719 (/*/include/*)
3720         END=\`basename \$DST\`
3721         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3722         do
3723                 NAME=\`basename \$i\`
3724                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3725         done
3726         ;;
3727 (*)
3728         echo "" >> \$TMPSED
3729         ;;
3730 esac
3731 CF_EOF
3732
3733 else
3734         cat >>headers.sh <<CF_EOF
3735 case \$DST in
3736 (/*/include/*)
3737         END=\`basename \$DST\`
3738         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3739         do
3740                 NAME=\`basename \$i\`
3741                 if test "\$NAME" = "curses.h"
3742                 then
3743                         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3744                         NAME=ncurses.h
3745                 fi
3746                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3747         done
3748         ;;
3749 (*)
3750         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3751         ;;
3752 esac
3753 CF_EOF
3754 fi
3755 cat >>headers.sh <<CF_EOF
3756 rm -f \$TMPSRC
3757 sed -f \$TMPSED \$SRC > \$TMPSRC
3758 NAME=\`basename \$SRC\`
3759 CF_EOF
3760 if test $WITH_CURSES_H != yes; then
3761         cat >>headers.sh <<CF_EOF
3762 test "\$NAME" = "curses.h" && NAME=ncurses.h
3763 CF_EOF
3764 fi
3765 cat >>headers.sh <<CF_EOF
3766 # Just in case someone gzip'd manpages, remove the conflicting copy.
3767 test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
3768
3769 eval \$PRG \$TMPSRC \$DST/\$NAME
3770 rm -f \$TMPSRC \$TMPSED
3771 CF_EOF
3772
3773 chmod 0755 headers.sh
3774
3775 for cf_dir in $SRC_SUBDIRS
3776 do
3777         if test ! -d $srcdir/$cf_dir ; then
3778                 continue
3779         fi
3780
3781         if test -f $srcdir/$cf_dir/headers; then
3782                 $AWK -f $srcdir/mk-hdr.awk \
3783                         subset="$LIB_SUBSETS" \
3784                         compat="$WITH_CURSES_H" \
3785                         $srcdir/$cf_dir/headers >>$cf_dir/Makefile
3786         fi
3787
3788         if test -f $srcdir/$cf_dir/modules; then
3789                 if test "$cf_dir" != "c++" ; then
3790                         cat >>$cf_dir/Makefile <<"CF_EOF"
3791 depend : ${AUTO_SRC}
3792         makedepend -- ${CPPFLAGS} -- ${C_SRC}
3793
3794 # DO NOT DELETE THIS LINE -- make depend depends on it.
3795 CF_EOF
3796                 fi
3797         fi
3798 done
3799 AC_SUBST(Libs_To_Make)
3800 ])dnl
3801 dnl ---------------------------------------------------------------------------
3802 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
3803 dnl -------------
3804 dnl Find the and soname for the given shared library.  Set the cache variable
3805 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
3806 dnl variable to "unknown".
3807 dnl
3808 dnl $1 = headers
3809 dnl $2 = code
3810 dnl $3 = library name
3811 AC_DEFUN([CF_LIB_SONAME],
3812 [
3813 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
3814
3815 cf_cv_$3_soname=unknown
3816 if test "$cross_compiling" != yes ; then
3817 cat >conftest.$ac_ext <<CF_EOF
3818 $1
3819 int main()
3820 {
3821 $2
3822         ${cf_cv_main_return:-return}(0);
3823 }
3824 CF_EOF
3825 cf_save_LIBS="$LIBS"
3826         CF_ADD_LIB($3)
3827         if AC_TRY_EVAL(ac_compile) ; then
3828                 if AC_TRY_EVAL(ac_link) ; then
3829                         cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
3830                         test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
3831                 fi
3832         fi
3833 rm -rf conftest*
3834 LIBS="$cf_save_LIBS"
3835 fi
3836 ])
3837 ])
3838 dnl ---------------------------------------------------------------------------
3839 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
3840 dnl -------------
3841 dnl Compute the library file-suffix from the given model name
3842 dnl $1 = model name
3843 dnl $2 = variable to set (the nominal library suffix)
3844 dnl $3 = dependency variable to set (actual filename)
3845 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3846 AC_DEFUN([CF_LIB_SUFFIX],
3847 [
3848         case X$1 in
3849         (Xlibtool)
3850                 $2='.la'
3851                 $3=[$]$2
3852                 ;;
3853         (Xdebug)
3854                 $2='_g.a'
3855                 $3=[$]$2
3856                 ;;
3857         (Xprofile)
3858                 $2='_p.a'
3859                 $3=[$]$2
3860                 ;;
3861         (Xshared)
3862                 case $cf_cv_system_name in
3863                 (aix[[5-7]]*)
3864                         $2='.so'
3865                         $3=[$]$2
3866                         ;;
3867                 (cygwin*|msys*|mingw*)
3868                         $2='.dll'
3869                         $3='.dll.a'
3870                         ;;
3871                 (darwin*)
3872                         $2='.dylib'
3873                         $3=[$]$2
3874                         ;;
3875                 (hpux*)
3876                         case $target in
3877                         (ia64*)
3878                                 $2='.so'
3879                                 $3=[$]$2
3880                                 ;;
3881                         (*)
3882                                 $2='.sl'
3883                                 $3=[$]$2
3884                                 ;;
3885                         esac
3886                         ;;
3887                 (*)
3888                         $2='.so'
3889                         $3=[$]$2
3890                         ;;
3891                 esac
3892                 ;;
3893         (*)
3894                 $2='.a'
3895                 $3=[$]$2
3896                 ;;
3897         esac
3898         if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
3899         then
3900                 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
3901                 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
3902         fi
3903 ])dnl
3904 dnl ---------------------------------------------------------------------------
3905 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
3906 dnl -----------
3907 dnl Compute the string to append to -library from the given model name
3908 dnl $1 = model name
3909 dnl $2 = variable to set
3910 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3911 AC_DEFUN([CF_LIB_TYPE],
3912 [
3913         case $1 in
3914         (libtool) $2=''   ;;
3915         (normal)  $2=''   ;;
3916         (debug)   $2='_g' ;;
3917         (profile) $2='_p' ;;
3918         (shared)  $2=''   ;;
3919         esac
3920         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3921 ])dnl
3922 dnl ---------------------------------------------------------------------------
3923 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
3924 dnl ----------------
3925 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
3926 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
3927 dnl have to provide wrappers for global tables to ensure they're linked
3928 dnl properly.
3929 AC_DEFUN([CF_LINK_DATAONLY],
3930 [
3931 AC_MSG_CHECKING([if data-only library module links])
3932 AC_CACHE_VAL(cf_cv_link_dataonly,[
3933         rm -f conftest.a
3934         cat >conftest.$ac_ext <<EOF
3935 #line __oline__ "configure"
3936 int     testdata[[3]] = { 123, 456, 789 };
3937 EOF
3938         if AC_TRY_EVAL(ac_compile) ; then
3939                 mv conftest.o data.o && \
3940                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
3941         fi
3942         rm -f conftest.$ac_ext data.o
3943         cat >conftest.$ac_ext <<EOF
3944 #line __oline__ "configure"
3945 int     testfunc()
3946 {
3947 #if defined(NeXT)
3948         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
3949 #else
3950         extern int testdata[[3]];
3951         return testdata[[0]] == 123
3952            &&  testdata[[1]] == 456
3953            &&  testdata[[2]] == 789;
3954 #endif
3955 }
3956 EOF
3957         if AC_TRY_EVAL(ac_compile); then
3958                 mv conftest.o func.o && \
3959                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
3960         fi
3961         rm -f conftest.$ac_ext func.o
3962         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
3963         cf_saveLIBS="$LIBS"
3964         LIBS="conftest.a $LIBS"
3965         AC_TRY_RUN([
3966         int main()
3967         {
3968                 extern int testfunc();
3969                 ${cf_cv_main_return:-return} (!testfunc());
3970         }
3971         ],
3972         [cf_cv_link_dataonly=yes],
3973         [cf_cv_link_dataonly=no],
3974         [cf_cv_link_dataonly=unknown])
3975         LIBS="$cf_saveLIBS"
3976         ])
3977 AC_MSG_RESULT($cf_cv_link_dataonly)
3978
3979 if test "$cf_cv_link_dataonly" = no ; then
3980         AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
3981         BROKEN_LINKER=1
3982 fi
3983
3984 ])dnl
3985 dnl ---------------------------------------------------------------------------
3986 dnl CF_LINK_FUNCS version: 8 updated: 2012/10/06 17:56:13
3987 dnl -------------
3988 dnl Most Unix systems have both link and symlink, a few don't have symlink.
3989 dnl A few non-Unix systems implement symlink, but not link.
3990 dnl A few non-systems implement neither (or have nonfunctional versions).
3991 AC_DEFUN([CF_LINK_FUNCS],
3992 [
3993 AC_CHECK_FUNCS( \
3994         remove \
3995         unlink )
3996
3997 if test "$cross_compiling" = yes ; then
3998         AC_CHECK_FUNCS( \
3999                 link \
4000                 symlink )
4001 else
4002         AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[
4003                 cf_cv_link_funcs=
4004                 for cf_func in link symlink ; do
4005                         AC_TRY_RUN([
4006 #include <sys/types.h>
4007 #include <sys/stat.h>
4008 #ifdef HAVE_UNISTD_H
4009 #include <unistd.h>
4010 #endif
4011 int main()
4012 {
4013         int fail = 0;
4014         char *src = "config.log";
4015         char *dst = "conftest.chk";
4016         struct stat src_sb;
4017         struct stat dst_sb;
4018
4019         stat(src, &src_sb);
4020         fail = ($cf_func("config.log", "conftest.chk") < 0)
4021             || (stat(dst, &dst_sb) < 0)
4022             || (dst_sb.st_mtime != src_sb.st_mtime);
4023 #ifdef HAVE_UNLINK
4024         unlink(dst);
4025 #else
4026         remove(dst);
4027 #endif
4028         ${cf_cv_main_return:-return} (fail);
4029 }
4030                         ],[
4031                         cf_cv_link_funcs="$cf_cv_link_funcs $cf_func"
4032                         eval 'ac_cv_func_'$cf_func'=yes'],[
4033                         eval 'ac_cv_func_'$cf_func'=no'],[
4034                         eval 'ac_cv_func_'$cf_func'=error'])
4035                 done
4036                 test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no
4037         ])
4038         test "$ac_cv_func_link"    = yes && AC_DEFINE(HAVE_LINK,1,[Define to 1 if we have link() function])
4039         test "$ac_cv_func_symlink" = yes && AC_DEFINE(HAVE_SYMLINK,1,[Define to 1 if we have symlink() function])
4040 fi
4041 ])dnl
4042 dnl ---------------------------------------------------------------------------
4043 dnl CF_MAKEFLAGS version: 16 updated: 2015/04/15 19:08:48
4044 dnl ------------
4045 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
4046 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
4047 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
4048 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
4049 AC_DEFUN([CF_MAKEFLAGS],
4050 [
4051 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
4052         cf_cv_makeflags=''
4053         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
4054         do
4055                 cat >cf_makeflags.tmp <<CF_EOF
4056 SHELL = /bin/sh
4057 all :
4058         @ echo '.$cf_option'
4059 CF_EOF
4060                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
4061                 case "$cf_result" in
4062                 (.*k|.*kw)
4063                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
4064                         case "$cf_result" in
4065                         (.*CC=*)        cf_cv_makeflags=
4066                                 ;;
4067                         (*)     cf_cv_makeflags=$cf_option
4068                                 ;;
4069                         esac
4070                         break
4071                         ;;
4072                 (.-)    ;;
4073                 (*)     echo "given option \"$cf_option\", no match \"$cf_result\""
4074                         ;;
4075                 esac
4076         done
4077         rm -f cf_makeflags.tmp
4078 ])
4079
4080 AC_SUBST(cf_cv_makeflags)
4081 ])dnl
4082 dnl ---------------------------------------------------------------------------
4083 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
4084 dnl ------------
4085 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
4086 dnl a monocase filesystem.
4087 AC_DEFUN([CF_MAKE_TAGS],[
4088 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
4089
4090 AC_CHECK_PROGS(CTAGS, exctags ctags)
4091 AC_CHECK_PROGS(ETAGS, exetags etags)
4092
4093 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
4094
4095 if test "$cf_cv_mixedcase" = yes ; then
4096         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
4097 else
4098         MAKE_UPPER_TAGS=no
4099 fi
4100
4101 if test "$MAKE_UPPER_TAGS" = yes ; then
4102         MAKE_UPPER_TAGS=
4103 else
4104         MAKE_UPPER_TAGS="#"
4105 fi
4106
4107 if test "$MAKE_LOWER_TAGS" = yes ; then
4108         MAKE_LOWER_TAGS=
4109 else
4110         MAKE_LOWER_TAGS="#"
4111 fi
4112
4113 AC_SUBST(CTAGS)
4114 AC_SUBST(ETAGS)
4115
4116 AC_SUBST(MAKE_UPPER_TAGS)
4117 AC_SUBST(MAKE_LOWER_TAGS)
4118 ])dnl
4119 dnl ---------------------------------------------------------------------------
4120 dnl CF_MANPAGE_FORMAT version: 11 updated: 2015/04/18 08:56:57
4121 dnl -----------------
4122 dnl Option to allow user to override automatic configuration of manpage format.
4123 dnl There are several special cases:
4124 dnl
4125 dnl     gzip - man checks for, can display gzip'd files
4126 dnl     compress - man checks for, can display compressed files
4127 dnl     BSDI - files in the cat-directories are suffixed ".0"
4128 dnl     formatted - installer should format (put files in cat-directory)
4129 dnl     catonly - installer should only format, e.g., for a turnkey system.
4130 dnl
4131 dnl There are other configurations which this macro does not test, e.g., HPUX's
4132 dnl compressed manpages (but uncompressed manpages are fine, and HPUX's naming
4133 dnl convention would not match our use).
4134 AC_DEFUN([CF_MANPAGE_FORMAT],
4135 [
4136 AC_REQUIRE([CF_PATHSEP])
4137 AC_MSG_CHECKING(format of man-pages)
4138
4139 AC_ARG_WITH(manpage-format,
4140         [  --with-manpage-format   specify manpage-format: gzip/compress/BSDI/normal and
4141                           optionally formatted/catonly, e.g., gzip,formatted],
4142         [MANPAGE_FORMAT=$withval],
4143         [MANPAGE_FORMAT=unknown])
4144
4145 test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=unknown
4146 MANPAGE_FORMAT=`echo "$MANPAGE_FORMAT" | sed -e 's/,/ /g'`
4147
4148 cf_unknown=
4149
4150 case $MANPAGE_FORMAT in
4151 (unknown)
4152         if test -z "$MANPATH" ; then
4153                 MANPATH="/usr/man:/usr/share/man"
4154         fi
4155
4156         # look for the 'date' man-page (it's most likely to be installed!)
4157         MANPAGE_FORMAT=
4158         cf_preform=no
4159         cf_catonly=yes
4160         cf_example=date
4161
4162         IFS="${IFS:-    }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
4163         for cf_dir in $MANPATH; do
4164                 test -z "$cf_dir" && cf_dir=/usr/man
4165                 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
4166                 do
4167                         cf_test=`echo $cf_name | sed -e 's/*//'`
4168                         if test "x$cf_test" = "x$cf_name" ; then
4169
4170                                 case "$cf_name" in
4171                                 (*.gz) MANPAGE_FORMAT="$MANPAGE_FORMAT gzip";;
4172                                 (*.Z)  MANPAGE_FORMAT="$MANPAGE_FORMAT compress";;
4173                                 (*.0)  MANPAGE_FORMAT="$MANPAGE_FORMAT BSDI";;
4174                                 (*)    MANPAGE_FORMAT="$MANPAGE_FORMAT normal";;
4175                                 esac
4176
4177                                 case "$cf_name" in
4178                                 ($cf_dir/man*)
4179                                         cf_catonly=no
4180                                         ;;
4181                                 ($cf_dir/cat*)
4182                                         cf_preform=yes
4183                                         ;;
4184                                 esac
4185                                 break
4186                         fi
4187
4188                         # if we found a match in either man* or cat*, stop looking
4189                         if test -n "$MANPAGE_FORMAT" ; then
4190                                 cf_found=no
4191                                 test "$cf_preform" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT formatted"
4192                                 test "$cf_catonly" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT catonly"
4193                                 case "$cf_name" in
4194                                 ($cf_dir/cat*)
4195                                         cf_found=yes
4196                                         ;;
4197                                 esac
4198                                 test $cf_found=yes && break
4199                         fi
4200                 done
4201                 # only check the first directory in $MANPATH where we find manpages
4202                 if test -n "$MANPAGE_FORMAT" ; then
4203                         break
4204                 fi
4205         done
4206         # if we did not find the example, just assume it is normal
4207         test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=normal
4208         IFS="$ac_save_ifs"
4209         ;;
4210 (*)
4211         for cf_option in $MANPAGE_FORMAT; do
4212         case $cf_option in
4213         (gzip|compress|BSDI|normal|formatted|catonly)
4214                 ;;
4215         (*)
4216                 cf_unknown="$cf_unknown $cf_option"
4217                 ;;
4218         esac
4219         done
4220         ;;
4221 esac
4222
4223 AC_MSG_RESULT($MANPAGE_FORMAT)
4224 if test -n "$cf_unknown" ; then
4225         AC_MSG_WARN(Unexpected manpage-format $cf_unknown)
4226 fi
4227 ])dnl
4228 dnl ---------------------------------------------------------------------------
4229 dnl CF_MANPAGE_RENAMES version: 9 updated: 2015/04/18 08:56:57
4230 dnl ------------------
4231 dnl The Debian people have their own naming convention for manpages.  This
4232 dnl option lets us override the name of the file containing renaming, or
4233 dnl disable it altogether.
4234 AC_DEFUN([CF_MANPAGE_RENAMES],
4235 [
4236 AC_MSG_CHECKING(for manpage renaming)
4237
4238 AC_ARG_WITH(manpage-renames,
4239         [  --with-manpage-renames  specify manpage-renaming],
4240         [MANPAGE_RENAMES=$withval],
4241         [MANPAGE_RENAMES=yes])
4242
4243 case ".$MANPAGE_RENAMES" in
4244 (.no)
4245         ;;
4246 (.|.yes)
4247         # Debian 'man' program?
4248         if test -f /etc/debian_version ; then
4249                 MANPAGE_RENAMES=`cd $srcdir && pwd`/man/man_db.renames
4250         else
4251                 MANPAGE_RENAMES=no
4252         fi
4253         ;;
4254 esac
4255
4256 if test "$MANPAGE_RENAMES" != no ; then
4257         if test -f $srcdir/man/$MANPAGE_RENAMES ; then
4258                 MANPAGE_RENAMES=`cd $srcdir/man && pwd`/$MANPAGE_RENAMES
4259         elif test ! -f $MANPAGE_RENAMES ; then
4260                 AC_MSG_ERROR(not a filename: $MANPAGE_RENAMES)
4261         fi
4262
4263         test ! -d man && mkdir man
4264
4265         # Construct a sed-script to perform renaming within man-pages
4266         if test -n "$MANPAGE_RENAMES" ; then
4267                 test ! -d man && mkdir man
4268                 sh $srcdir/man/make_sed.sh $MANPAGE_RENAMES >./edit_man.sed
4269         fi
4270 fi
4271
4272 AC_MSG_RESULT($MANPAGE_RENAMES)
4273 AC_SUBST(MANPAGE_RENAMES)
4274 ])dnl
4275 dnl ---------------------------------------------------------------------------
4276 dnl CF_MANPAGE_SYMLINKS version: 6 updated: 2015/04/17 21:13:04
4277 dnl -------------------
4278 dnl Some people expect each tool to make all aliases for manpages in the
4279 dnl man-directory.  This accommodates the older, less-capable implementations
4280 dnl of 'man', and is optional.
4281 AC_DEFUN([CF_MANPAGE_SYMLINKS],
4282 [
4283 AC_MSG_CHECKING(if manpage aliases will be installed)
4284
4285 AC_ARG_WITH(manpage-aliases,
4286         [  --with-manpage-aliases  specify manpage-aliases using .so],
4287         [MANPAGE_ALIASES=$withval],
4288         [MANPAGE_ALIASES=yes])
4289
4290 AC_MSG_RESULT($MANPAGE_ALIASES)
4291
4292 case "x$LN_S" in
4293 (xln*)
4294         cf_use_symlinks=yes
4295         ;;
4296 (*)
4297         cf_use_symlinks=no
4298         ;;
4299 esac
4300
4301 MANPAGE_SYMLINKS=no
4302 if test "$MANPAGE_ALIASES" = yes ; then
4303 AC_MSG_CHECKING(if manpage symlinks should be used)
4304
4305 AC_ARG_WITH(manpage-symlinks,
4306         [  --with-manpage-symlinks specify manpage-aliases using symlinks],
4307         [MANPAGE_SYMLINKS=$withval],
4308         [MANPAGE_SYMLINKS=$cf_use_symlinks])
4309
4310 if test "$$cf_use_symlinks" = no; then
4311 if test "$MANPAGE_SYMLINKS" = yes ; then
4312         AC_MSG_WARN(cannot make symlinks, will use .so files)
4313         MANPAGE_SYMLINKS=no
4314 fi
4315 fi
4316
4317 AC_MSG_RESULT($MANPAGE_SYMLINKS)
4318 fi
4319
4320 ])dnl
4321 dnl ---------------------------------------------------------------------------
4322 dnl CF_MANPAGE_TBL version: 3 updated: 2002/01/19 22:51:32
4323 dnl --------------
4324 dnl This option causes manpages to be run through tbl(1) to generate tables
4325 dnl correctly.
4326 AC_DEFUN([CF_MANPAGE_TBL],
4327 [
4328 AC_MSG_CHECKING(for manpage tbl)
4329
4330 AC_ARG_WITH(manpage-tbl,
4331         [  --with-manpage-tbl      specify manpage processing with tbl],
4332         [MANPAGE_TBL=$withval],
4333         [MANPAGE_TBL=no])
4334
4335 AC_MSG_RESULT($MANPAGE_TBL)
4336 ])dnl
4337 dnl ---------------------------------------------------------------------------
4338 dnl CF_MAN_PAGES version: 45 updated: 2015/04/18 08:56:57
4339 dnl ------------
4340 dnl Try to determine if the man-pages on the system are compressed, and if
4341 dnl so, what format is used.  Use this information to construct a script that