1 dnl***************************************************************************
2 dnl Copyright (c) 2010-2013,2014 Free Software Foundation, Inc. *
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: *
12 dnl The above copyright notice and this permission notice shall be included *
13 dnl in all copies or substantial portions of the Software. *
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. *
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 *
27 dnl***************************************************************************
29 dnl Author: Thomas E. Dickey
31 dnl $Id: aclocal.m4,v 1.90 2014/07/26 22:58:13 tom Exp $
32 dnl Macros used in NCURSES Ada95 auto-configuration script.
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.
38 dnl See http://invisible-island.net/autoconf/ for additional information.
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
43 dnl ------------------
44 dnl Conditionally generate script according to whether we're using a given autoconf.
46 dnl $1 = version to compare against
47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
48 dnl $3 = code to use if AC_ACVERSION is older than $1.
49 define([CF_ACVERSION_CHECK],
51 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
52 ifdef([m4_version_compare],
53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
54 [CF_ACVERSION_COMPARE(
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
57 dnl ---------------------------------------------------------------------------
58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
59 dnl --------------------
60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
61 dnl MAJOR2, MINOR2, TERNARY2,
62 dnl PRINTABLE2, not FOUND, FOUND)
63 define([CF_ACVERSION_COMPARE],
64 [ifelse(builtin([eval], [$2 < $5]), 1,
65 [ifelse([$8], , ,[$8])],
66 [ifelse([$9], , ,[$9])])])dnl
67 dnl ---------------------------------------------------------------------------
68 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
69 dnl -------------------
70 dnl Construct the list of include-options for the C programs in the Ada95
72 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
74 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
75 if test "$srcdir" != "."; then
76 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
78 if test "$GCC" != yes; then
79 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
80 elif test "$includedir" != "/usr/include"; then
81 if test "$includedir" = '${prefix}/include' ; then
82 if test x$prefix != x/usr ; then
83 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
86 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
91 dnl ---------------------------------------------------------------------------
92 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
94 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
95 AC_DEFUN([CF_ADD_ADAFLAGS],[
96 ADAFLAGS="$ADAFLAGS $1"
99 dnl ---------------------------------------------------------------------------
100 dnl CF_ADD_CFLAGS version: 11 updated: 2014/07/22 05:32:57
102 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
103 dnl The second parameter if given makes this macro verbose.
105 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
106 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
107 dnl confused by the quotes (which require backslashes to keep them usable).
108 AC_DEFUN([CF_ADD_CFLAGS],
113 cf_new_extra_cppflags=
115 for cf_add_cflags in $1
117 case $cf_fix_cppflags in
119 case $cf_add_cflags in #(vi
120 -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
121 case $cf_add_cflags in
123 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
125 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
126 && test -z "${cf_tst_cflags}" \
127 && cf_fix_cppflags=yes
129 if test $cf_fix_cppflags = yes ; then
130 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
132 elif test "${cf_tst_cflags}" = "\"'" ; then
133 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
139 *$cf_add_cflags) #(vi
142 case $cf_add_cflags in #(vi
144 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
145 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
148 cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
153 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
158 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
160 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
162 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
163 && test -z "${cf_tst_cflags}" \
164 && cf_fix_cppflags=no
169 if test -n "$cf_new_cflags" ; then
170 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
171 CFLAGS="$CFLAGS $cf_new_cflags"
174 if test -n "$cf_new_cppflags" ; then
175 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
176 CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
179 if test -n "$cf_new_extra_cppflags" ; then
180 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
181 EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
184 AC_SUBST(EXTRA_CPPFLAGS)
187 dnl ---------------------------------------------------------------------------
188 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
190 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
191 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
192 dnl but old versions (and some misinstalled ones) need that. To make things
193 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
194 dnl the include-path).
195 AC_DEFUN([CF_ADD_INCDIR],
197 if test -n "$1" ; then
198 for cf_add_incdir in $1
200 while test $cf_add_incdir != /usr/include
202 if test -d $cf_add_incdir
205 if test -n "$CFLAGS$CPPFLAGS" ; then
206 # a loop is needed to ensure we can add subdirs of existing dirs
207 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
208 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
209 cf_have_incdir=yes; break
214 if test "$cf_have_incdir" = no ; then
215 if test "$cf_add_incdir" = /usr/local/include ; then
218 cf_save_CPPFLAGS=$CPPFLAGS
219 CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
220 AC_TRY_COMPILE([#include <stdio.h>],
223 [cf_have_incdir=yes])
224 CPPFLAGS=$cf_save_CPPFLAGS
229 if test "$cf_have_incdir" = no ; then
230 CF_VERBOSE(adding $cf_add_incdir to include-path)
231 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
233 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
234 test "$cf_top_incdir" = "$cf_add_incdir" && break
235 cf_add_incdir="$cf_top_incdir"
244 dnl ---------------------------------------------------------------------------
245 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
247 dnl Add a library, used to enforce consistency.
249 dnl $1 = library to add, without the "-l"
250 dnl $2 = variable to update (default $LIBS)
251 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
252 dnl ---------------------------------------------------------------------------
253 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
255 dnl Adds to the library-path
257 dnl Some machines have trouble with multiple -L options.
259 dnl $1 is the (list of) directory(s) to add
260 dnl $2 is the optional name of the variable to update (default LDFLAGS)
262 AC_DEFUN([CF_ADD_LIBDIR],
264 if test -n "$1" ; then
265 for cf_add_libdir in $1
267 if test $cf_add_libdir = /usr/lib ; then
269 elif test -d $cf_add_libdir
272 if test -n "$LDFLAGS$LIBS" ; then
273 # a loop is needed to ensure we can add subdirs of existing dirs
274 for cf_test_libdir in $LDFLAGS $LIBS ; do
275 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
276 cf_have_libdir=yes; break
280 if test "$cf_have_libdir" = no ; then
281 CF_VERBOSE(adding $cf_add_libdir to library-path)
282 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
288 dnl ---------------------------------------------------------------------------
289 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
291 dnl Add one or more libraries, used to enforce consistency. Libraries are
292 dnl prepended to an existing list, since their dependencies are assumed to
293 dnl already exist in the list.
295 dnl $1 = libraries to add, with the "-l", etc.
296 dnl $2 = variable to update (default $LIBS)
297 AC_DEFUN([CF_ADD_LIBS],[
299 # Filter out duplicates - this happens with badly-designed ".pc" files...
300 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
302 for cf_add_2lib in $cf_add_libs
304 if test "x$cf_add_1lib" = "x$cf_add_2lib"
310 test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
312 ifelse($2,,LIBS,[$2])="$cf_add_libs"
314 dnl ---------------------------------------------------------------------------
315 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
316 dnl ------------------
317 dnl Append to a search-list for a nonstandard header/lib-file
318 dnl $1 = the variable to return as result
319 dnl $2 = the package name
320 dnl $3 = the subdirectory, e.g., bin, include or lib
321 dnl $4 = the directory under which we will test for subdirectories
322 dnl $5 = a directory that we do not want $4 to match
323 AC_DEFUN([CF_ADD_SUBDIR_PATH],
325 test "x$4" != "x$5" && \
327 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
328 test -n "$verbose" && echo " ... testing for $3-directories under $4"
329 test -d $4/$3 && $1="[$]$1 $4/$3"
330 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
331 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
332 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
333 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
336 dnl ---------------------------------------------------------------------------
337 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
339 dnl Allow user to disable a normally-on option.
340 AC_DEFUN([CF_ARG_DISABLE],
341 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
342 dnl ---------------------------------------------------------------------------
343 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
345 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
351 dnl $3 = action to perform if option is not default
352 dnl $4 = action if perform if option is default
353 dnl $5 = default option value (either 'yes' or 'no')
354 AC_DEFUN([CF_ARG_OPTION],
355 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
356 if test "$enableval" != "$5" ; then
358 ,[ $3]) ifelse([$4],,,[
361 fi],[enableval=$5 ifelse([$4],,,[
365 dnl ---------------------------------------------------------------------------
366 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
368 dnl Check for suitable "ar" (archiver) options for updating an archive.
369 AC_DEFUN([CF_AR_FLAGS],[
370 AC_REQUIRE([CF_PROG_AR])
372 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
373 cf_cv_ar_flags=unknown
374 for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
377 # check if $ARFLAGS already contains this choice
378 if test "x$ARFLAGS" != "x" ; then
379 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
380 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
386 rm -f conftest.$ac_cv_objext
389 cat >conftest.$ac_ext <<EOF
390 #line __oline__ "configure"
391 int testdata[[3]] = { 123, 456, 789 };
393 if AC_TRY_EVAL(ac_compile) ; then
394 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
395 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
396 if test -f conftest.a ; then
397 cf_cv_ar_flags=$cf_ar_flags
401 CF_VERBOSE(cannot compile test-program)
405 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
408 if test -n "$ARFLAGS" ; then
409 if test -n "$cf_cv_ar_flags" ; then
410 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
413 ARFLAGS=$cf_cv_ar_flags
418 dnl ---------------------------------------------------------------------------
419 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
421 dnl If we're cross-compiling, allow the user to override the tools and their
422 dnl options. The configure script is oriented toward identifying the host
423 dnl compiler, etc., but we need a build compiler to generate parts of the
426 dnl $1 = default for $CPPFLAGS
427 dnl $2 = default for $LIBS
428 AC_DEFUN([CF_BUILD_CC],[
429 CF_ACVERSION_CHECK(2.52,,
430 [AC_REQUIRE([CF_PROG_EXT])])
431 if test "$cross_compiling" = yes ; then
433 # defaults that we might want to override
434 : ${BUILD_CFLAGS:=''}
435 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
436 : ${BUILD_LDFLAGS:=''}
437 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
438 : ${BUILD_EXEEXT:='$x'}
439 : ${BUILD_OBJEXT:='o'}
441 AC_ARG_WITH(build-cc,
442 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
443 [BUILD_CC="$withval"],
444 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
445 AC_MSG_CHECKING(for native build C compiler)
446 AC_MSG_RESULT($BUILD_CC)
448 AC_MSG_CHECKING(for native build C preprocessor)
449 AC_ARG_WITH(build-cpp,
450 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
451 [BUILD_CPP="$withval"],
452 [BUILD_CPP='${BUILD_CC} -E'])
453 AC_MSG_RESULT($BUILD_CPP)
455 AC_MSG_CHECKING(for native build C flags)
456 AC_ARG_WITH(build-cflags,
457 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
458 [BUILD_CFLAGS="$withval"])
459 AC_MSG_RESULT($BUILD_CFLAGS)
461 AC_MSG_CHECKING(for native build C preprocessor-flags)
462 AC_ARG_WITH(build-cppflags,
463 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
464 [BUILD_CPPFLAGS="$withval"])
465 AC_MSG_RESULT($BUILD_CPPFLAGS)
467 AC_MSG_CHECKING(for native build linker-flags)
468 AC_ARG_WITH(build-ldflags,
469 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
470 [BUILD_LDFLAGS="$withval"])
471 AC_MSG_RESULT($BUILD_LDFLAGS)
473 AC_MSG_CHECKING(for native build linker-libraries)
474 AC_ARG_WITH(build-libs,
475 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
476 [BUILD_LIBS="$withval"])
477 AC_MSG_RESULT($BUILD_LIBS)
479 # this assumes we're on Unix.
483 : ${BUILD_CC:='${CC}'}
485 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
486 AC_MSG_ERROR([Cross-build requires two compilers.
487 Use --with-build-cc to specify the native compiler.])
491 : ${BUILD_CC:='${CC}'}
492 : ${BUILD_CPP:='${CPP}'}
493 : ${BUILD_CFLAGS:='${CFLAGS}'}
494 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
495 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
496 : ${BUILD_LIBS:='${LIBS}'}
497 : ${BUILD_EXEEXT:='$x'}
498 : ${BUILD_OBJEXT:='o'}
503 AC_SUBST(BUILD_CFLAGS)
504 AC_SUBST(BUILD_CPPFLAGS)
505 AC_SUBST(BUILD_LDFLAGS)
507 AC_SUBST(BUILD_EXEEXT)
508 AC_SUBST(BUILD_OBJEXT)
510 dnl ---------------------------------------------------------------------------
511 dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
513 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
514 dnl into CC. This will not help with broken scripts that wrap the compiler with
515 dnl options, but eliminates a more common category of user confusion.
516 AC_DEFUN([CF_CC_ENV_FLAGS],
518 # This should have been defined by AC_PROG_CC
521 AC_MSG_CHECKING(\$CC variable)
524 AC_MSG_RESULT(broken)
525 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
527 cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'`
528 CC=`echo "$CC" | sed -e 's/[[ ]].*//'`
529 CF_ADD_CFLAGS($cf_flags)
536 dnl ---------------------------------------------------------------------------
537 dnl CF_CFG_DEFAULTS version: 10 updated: 2013/09/07 13:54:05
539 dnl Determine the default configuration into which we'll install ncurses. This
540 dnl can be overridden by the user's command-line options. There's two items to
542 dnl 1. the prefix (e.g., /usr)
543 dnl 2. the header files (e.g., /usr/include/ncurses)
544 dnl We'll look for a previous installation of ncurses and use the same defaults.
546 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
547 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
548 dnl programs from a vendor's.
549 AC_DEFUN([CF_CFG_DEFAULTS],
551 AC_MSG_CHECKING(for prefix)
552 if test "x$prefix" = "xNONE" ; then
553 case "$cf_cv_system_name" in
554 # non-vendor systems don't have a conflict
555 openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
558 *) prefix=$ac_default_prefix
562 AC_MSG_RESULT($prefix)
564 if test "x$prefix" = "xNONE" ; then
565 AC_MSG_CHECKING(for default include-directory)
566 test -n "$verbose" && echo 1>&AC_FD_MSG
569 $includedir/ncurses \
571 $prefix/include/ncurses \
573 /usr/local/include/ncurses \
577 cf_dir=`eval echo $cf_symbol`
578 if test -f $cf_dir/curses.h ; then
579 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
580 includedir="$cf_symbol"
581 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
585 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
587 AC_MSG_RESULT($includedir)
590 dnl ---------------------------------------------------------------------------
591 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
593 dnl Check if we're accidentally using a cache from a different machine.
594 dnl Derive the system name, as a check for reusing the autoconf cache.
596 dnl If we've packaged config.guess and config.sub, run that (since it does a
597 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
598 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
599 dnl which is useful in cross-compiles.
601 dnl Note: we would use $ac_config_sub, but that is one of the places where
602 dnl autoconf 2.5x broke compatibility with autoconf 2.13
603 AC_DEFUN([CF_CHECK_CACHE],
605 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
606 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
607 system_name="$host_os"
609 system_name="`(uname -s -r) 2>/dev/null`"
610 if test -z "$system_name" ; then
611 system_name="`(hostname) 2>/dev/null`"
614 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
615 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
617 test -z "$system_name" && system_name="$cf_cv_system_name"
618 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
620 if test ".$system_name" != ".$cf_cv_system_name" ; then
621 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
622 AC_MSG_ERROR("Please remove config.cache and try again.")
625 dnl ---------------------------------------------------------------------------
626 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
627 dnl -----------------
628 dnl Check if the given compiler is really clang. clang's C driver defines
629 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
630 dnl not ignore some gcc options.
632 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
633 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
634 dnl the wrappers for gcc and g++ warnings.
636 dnl $1 = GCC (default) or GXX
637 dnl $2 = CLANG_COMPILER (default)
638 dnl $3 = CFLAGS (default) or CXXFLAGS
639 AC_DEFUN([CF_CLANG_COMPILER],[
640 ifelse([$2],,CLANG_COMPILER,[$2])=no
642 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
643 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
644 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
645 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
651 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
652 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
654 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
655 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
658 dnl ---------------------------------------------------------------------------
659 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
661 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
662 dnl variations of ncurses' installs.
664 dnl $1 = ncurses when looking for ncurses, or is empty
665 AC_DEFUN([CF_CURSES_HEADER],[
666 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
667 cf_cv_ncurses_header=none
668 for cf_header in ifelse($1,,,[ \
672 curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
674 AC_TRY_COMPILE([#include <${cf_header}>],
675 [initscr(); tgoto("?", 0,0)],
676 [cf_cv_ncurses_header=$cf_header; break],[])
680 if test "$cf_cv_ncurses_header" = none ; then
681 AC_MSG_ERROR(No curses header-files found)
684 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
685 AC_CHECK_HEADERS($cf_cv_ncurses_header)
687 dnl ---------------------------------------------------------------------------
688 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
690 dnl "dirname" is not portable, so we fake it with a shell script.
691 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
692 dnl ---------------------------------------------------------------------------
693 dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
695 dnl You can always use "make -n" to see the actual options, but it's hard to
696 dnl pick out/analyze warning messages when the compile-line is long.
699 dnl ECHO_LT - symbol to control if libtool is verbose
700 dnl ECHO_LD - symbol to prefix "cc -o" lines
701 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
702 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
703 dnl ECHO_CC - symbol to put before any "cc" line
705 AC_DEFUN([CF_DISABLE_ECHO],[
706 AC_MSG_CHECKING(if you want to see long compiling messages)
708 [ --disable-echo do not display "compiling" commands],
711 ECHO_LD='@echo linking [$]@;'
712 RULE_CC='@echo compiling [$]<'
713 SHOW_CC='@echo compiling [$]@'
722 AC_MSG_RESULT($enableval)
729 dnl ---------------------------------------------------------------------------
730 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
731 dnl ------------------------
732 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
733 AC_MSG_CHECKING(if we want to use GNAT projects)
734 CF_ARG_DISABLE(gnat-projects,
735 [ --disable-gnat-projects test: disable GNAT projects even if usable],
736 [enable_gnat_projects=no],
737 [enable_gnat_projects=yes])
738 AC_MSG_RESULT($enable_gnat_projects)
740 dnl ---------------------------------------------------------------------------
741 dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
742 dnl ------------------
743 dnl This is the "--enable-pc-files" option, which is available if there is a
744 dnl pkg-config configuration on the local machine.
745 AC_DEFUN([CF_ENABLE_PC_FILES],[
746 AC_REQUIRE([CF_PKG_CONFIG])
747 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
749 if test "$PKG_CONFIG" != none ; then
750 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
751 AC_ARG_ENABLE(pc-files,
752 [ --enable-pc-files generate and install .pc files for pkg-config],
753 [enable_pc_files=$enableval],
754 [enable_pc_files=no])
755 AC_MSG_RESULT($enable_pc_files)
756 if test "$enable_pc_files" != no
758 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
764 dnl ---------------------------------------------------------------------------
765 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
767 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
768 dnl prefer a standard location, and use -L options only if we do not find the
769 dnl library in the standard library location(s).
770 dnl $1 = library name
771 dnl $2 = library class, usually the same as library name
773 dnl $4 = code fragment to compile/link
774 dnl $5 = corresponding function-name
775 dnl $6 = flag, nonnull if failure should not cause an error-exit
777 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
778 dnl to use a -L option.
779 AC_DEFUN([CF_FIND_LIBRARY],
781 eval 'cf_cv_have_lib_'$1'=no'
784 eval 'cf_cv_have_lib_'$1'=yes',[
786 AC_MSG_CHECKING(for $5 in -l$1)
788 AC_TRY_LINK([$3],[$4],
790 eval 'cf_cv_have_lib_'$1'=yes'
793 CF_LIBRARY_PATH(cf_search,$2)
794 for cf_libdir in $cf_search
796 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
797 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
798 AC_TRY_LINK([$3],[$4],
800 eval 'cf_cv_have_lib_'$1'=yes'
803 LIBS="$cf_save_LIBS"])
807 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
809 if test $cf_found_library = no ; then
810 AC_MSG_ERROR(Cannot link $1 library)
814 dnl ---------------------------------------------------------------------------
815 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
817 dnl Find a library (specifically the linkage used in the code fragment),
818 dnl searching for it if it is not already in the library path.
819 dnl See also CF_ADD_SEARCHPATH.
821 dnl Parameters (4-on are optional):
822 dnl $1 = headers for library entrypoint
823 dnl $2 = code fragment for library entrypoint
824 dnl $3 = the library name without the "-l" option or ".so" suffix.
825 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
826 dnl $5 = action to perform if not successful
827 dnl $6 = module name, if not the same as the library name
828 dnl $7 = extra libraries
830 dnl Sets these variables:
831 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
832 dnl $cf_cv_header_path_$3 - include-directory if needed
833 dnl $cf_cv_library_path_$3 - library-directory if needed
834 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
835 AC_DEFUN([CF_FIND_LINKAGE],[
837 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
838 # will be set on completion of the AC_TRY_LINK below.
839 cf_cv_header_path_$3=
840 cf_cv_library_path_$3=
842 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
846 AC_TRY_LINK([$1],[$2],[
847 cf_cv_find_linkage_$3=yes
848 cf_cv_header_path_$3=/usr/include
849 cf_cv_library_path_$3=/usr/lib
852 LIBS="-l$3 $7 $cf_save_LIBS"
854 AC_TRY_LINK([$1],[$2],[
855 cf_cv_find_linkage_$3=yes
856 cf_cv_header_path_$3=/usr/include
857 cf_cv_library_path_$3=/usr/lib
858 cf_cv_library_file_$3="-l$3"
860 cf_cv_find_linkage_$3=no
863 CF_VERBOSE(find linkage for $3 library)
864 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
866 cf_save_CPPFLAGS="$CPPFLAGS"
867 cf_test_CPPFLAGS="$CPPFLAGS"
869 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
870 for cf_cv_header_path_$3 in $cf_search
872 if test -d $cf_cv_header_path_$3 ; then
873 CF_VERBOSE(... testing $cf_cv_header_path_$3)
874 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
875 AC_TRY_COMPILE([$1],[$2],[
876 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
877 cf_cv_find_linkage_$3=maybe
878 cf_test_CPPFLAGS="$CPPFLAGS"
880 CPPFLAGS="$cf_save_CPPFLAGS"
885 if test "$cf_cv_find_linkage_$3" = maybe ; then
887 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
890 cf_save_LDFLAGS="$LDFLAGS"
893 CPPFLAGS="$cf_test_CPPFLAGS"
894 LIBS="-l$3 $7 $cf_save_LIBS"
895 AC_TRY_LINK([$1],[$2],[
896 CF_VERBOSE(... found $3 library in system)
897 cf_cv_find_linkage_$3=yes])
898 CPPFLAGS="$cf_save_CPPFLAGS"
902 if test "$cf_cv_find_linkage_$3" != yes ; then
903 CF_LIBRARY_PATH(cf_search,$3)
904 for cf_cv_library_path_$3 in $cf_search
906 if test -d $cf_cv_library_path_$3 ; then
907 CF_VERBOSE(... testing $cf_cv_library_path_$3)
908 CPPFLAGS="$cf_test_CPPFLAGS"
909 LIBS="-l$3 $7 $cf_save_LIBS"
910 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
911 AC_TRY_LINK([$1],[$2],[
912 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
913 cf_cv_find_linkage_$3=yes
914 cf_cv_library_file_$3="-l$3"
916 CPPFLAGS="$cf_save_CPPFLAGS"
918 LDFLAGS="$cf_save_LDFLAGS"
922 CPPFLAGS="$cf_save_CPPFLAGS"
923 LDFLAGS="$cf_save_LDFLAGS"
927 cf_cv_find_linkage_$3=no
934 if test "$cf_cv_find_linkage_$3" = yes ; then
936 CF_ADD_INCDIR($cf_cv_header_path_$3)
937 CF_ADD_LIBDIR($cf_cv_library_path_$3)
941 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
944 dnl ---------------------------------------------------------------------------
945 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
946 dnl -----------------
947 dnl make ADAFLAGS consistent with CFLAGS
948 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
949 AC_MSG_CHECKING(optimization options for ADAFLAGS)
957 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
958 CF_ADD_ADAFLAGS($cf_O_flag)
961 AC_MSG_RESULT($ADAFLAGS)
963 dnl ---------------------------------------------------------------------------
964 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
965 dnl -----------------
966 dnl Test for availability of useful gcc __attribute__ directives to quiet
967 dnl compiler warnings. Though useful, not all are supported -- and contrary
968 dnl to documentation, unrecognized directives cause older compilers to barf.
969 AC_DEFUN([CF_GCC_ATTRIBUTES],
973 cat > conftest.i <<EOF
981 #define GCC_NORETURN /* nothing */
984 #define GCC_UNUSED /* nothing */
989 AC_CHECKING([for $CC __attribute__ directives])
990 cat > conftest.$ac_ext <<EOF
991 #line __oline__ "${as_me:-configure}"
992 #include "confdefs.h"
993 #include "conftest.h"
994 #include "conftest.i"
996 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
998 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1001 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1003 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1005 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1006 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1007 extern void foo(void) GCC_NORETURN;
1008 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1010 cf_printf_attribute=no
1011 cf_scanf_attribute=no
1012 for cf_attribute in scanf printf unused noreturn
1014 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1015 cf_directive="__attribute__(($cf_attribute))"
1016 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1018 case $cf_attribute in #(vi
1020 cf_printf_attribute=yes
1021 cat >conftest.h <<EOF
1022 #define GCC_$cf_ATTRIBUTE 1
1026 cf_scanf_attribute=yes
1027 cat >conftest.h <<EOF
1028 #define GCC_$cf_ATTRIBUTE 1
1032 cat >conftest.h <<EOF
1033 #define GCC_$cf_ATTRIBUTE $cf_directive
1038 if AC_TRY_EVAL(ac_compile); then
1039 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1040 cat conftest.h >>confdefs.h
1041 case $cf_attribute in #(vi
1043 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1046 cf_value='/* nothing */'
1047 if test "$cf_printf_attribute" != no ; then
1048 cf_value='__attribute__((format(printf,fmt,var)))'
1049 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1051 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1054 cf_value='/* nothing */'
1055 if test "$cf_scanf_attribute" != no ; then
1056 cf_value='__attribute__((format(scanf,fmt,var)))'
1057 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1059 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1062 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1068 fgrep define conftest.i >>confdefs.h
1073 dnl ---------------------------------------------------------------------------
1074 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1076 dnl Find version of gcc
1077 AC_DEFUN([CF_GCC_VERSION],[
1078 AC_REQUIRE([AC_PROG_CC])
1080 if test "$GCC" = yes ; then
1081 AC_MSG_CHECKING(version of $CC)
1082 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1083 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1084 AC_MSG_RESULT($GCC_VERSION)
1087 dnl ---------------------------------------------------------------------------
1088 dnl CF_GCC_WARNINGS version: 31 updated: 2013/11/19 19:23:35
1090 dnl Check if the compiler supports useful warning options. There's a few that
1091 dnl we don't use, simply because they're too noisy:
1093 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1094 dnl -Wredundant-decls (system headers make this too noisy)
1095 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1096 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1097 dnl is enabled for ncurses using "--enable-const".
1101 dnl $1 is an optional list of gcc warning flags that a particular
1102 dnl application might want to use, e.g., "no-unused" for
1105 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1107 AC_DEFUN([CF_GCC_WARNINGS],
1109 AC_REQUIRE([CF_GCC_VERSION])
1110 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1111 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1113 cat > conftest.$ac_ext <<EOF
1114 #line __oline__ "${as_me:-configure}"
1115 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1118 if test "$INTEL_COMPILER" = yes
1120 # The "-wdXXX" options suppress warnings:
1121 # remark #1419: external declaration in primary source file
1122 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1123 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1124 # remark #193: zero used for undefined preprocessing identifier
1125 # remark #593: variable "curs_sb_left_arrow" was set but never used
1126 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1127 # remark #869: parameter "tw" was never referenced
1128 # remark #981: operands are evaluated in unspecified order
1129 # warning #279: controlling expression is constant
1131 AC_CHECKING([for $CC warning options])
1132 cf_save_CFLAGS="$CFLAGS"
1133 EXTRA_CFLAGS="-Wall"
1145 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1146 if AC_TRY_EVAL(ac_compile); then
1147 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1148 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1151 CFLAGS="$cf_save_CFLAGS"
1153 elif test "$GCC" = yes
1155 AC_CHECKING([for $CC warning options])
1156 cf_save_CFLAGS="$CFLAGS"
1159 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1160 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1161 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1162 for cf_opt in W Wall \
1163 Wbad-function-cast \
1166 Wdeclaration-after-statement \
1169 Wmissing-declarations \
1170 Wmissing-prototypes \
1174 Wstrict-prototypes \
1175 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1177 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1178 if AC_TRY_EVAL(ac_compile); then
1179 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1180 case $cf_opt in #(vi
1182 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1185 case $GCC_VERSION in
1187 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1191 Wpointer-arith) #(vi
1192 case $GCC_VERSION in
1194 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1199 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1202 CFLAGS="$cf_save_CFLAGS"
1206 AC_SUBST(EXTRA_CFLAGS)
1208 dnl ---------------------------------------------------------------------------
1209 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1210 dnl ----------------
1211 AC_DEFUN([CF_GNAT_GENERICS],
1213 AC_REQUIRE([CF_GNAT_VERSION])
1215 AC_MSG_CHECKING(if GNAT supports generics)
1216 case $cf_gnat_version in #(vi
1217 3.[[1-9]]*|[[4-9]].*) #(vi
1218 cf_gnat_generics=yes
1224 AC_MSG_RESULT($cf_gnat_generics)
1226 if test "$cf_gnat_generics" = yes
1228 cf_compile_generics=generics
1229 cf_generic_objects="\${GENOBJS}"
1231 cf_compile_generics=
1235 AC_SUBST(cf_compile_generics)
1236 AC_SUBST(cf_generic_objects)
1238 dnl ---------------------------------------------------------------------------
1239 dnl CF_GNAT_PROJECTS version: 7 updated: 2014/06/01 10:46:34
1240 dnl ----------------
1241 dnl GNAT projects are configured with ".gpr" project files.
1242 dnl GNAT libraries are a further development, using the project feature.
1243 AC_DEFUN([CF_GNAT_PROJECTS],
1245 AC_REQUIRE([CF_GNAT_VERSION])
1246 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1248 cf_gnat_libraries=no
1251 if test "$enable_gnat_projects" != no ; then
1252 AC_MSG_CHECKING(if GNAT supports project files)
1253 case $cf_gnat_version in #(vi
1257 case $cf_cv_system_name in #(vi
1261 mkdir conftest.src conftest.bin conftest.lib
1263 rm -rf conftest* *~conftest*
1264 cat >>library.gpr <<CF_EOF
1266 Kind := External ("LIB_KIND");
1267 for Library_Name use "ConfTest";
1268 for Object_Dir use ".";
1269 for Library_ALI_Dir use External("LIBRARY_DIR");
1270 for Library_Version use External ("SONAME");
1271 for Library_Kind use Kind;
1272 for Library_Dir use External("BUILD_DIR");
1273 Source_Dir := External ("SOURCE_DIR");
1274 for Source_Dirs use (Source_Dir);
1277 cat >>confpackage.ads <<CF_EOF
1278 package ConfPackage is
1282 cat >>confpackage.adb <<CF_EOF
1284 package body ConfPackage is
1285 procedure conftest is
1287 Text_IO.Put ("Hello World");
1292 if ( $cf_ada_make $ADAFLAGS \
1294 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1295 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1296 -XSOURCE_DIR=`pwd` \
1297 -XSONAME=libConfTest.so.1 \
1298 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1299 cf_gnat_projects=yes
1302 if test -f conftest.lib/confpackage.ali
1304 cf_gnat_libraries=yes
1306 rm -rf conftest* *~conftest*
1311 AC_MSG_RESULT($cf_gnat_projects)
1312 fi # enable_gnat_projects
1314 if test $cf_gnat_projects = yes
1316 AC_MSG_CHECKING(if GNAT supports libraries)
1317 AC_MSG_RESULT($cf_gnat_libraries)
1320 if test "$cf_gnat_projects" = yes
1322 USE_OLD_MAKERULES="#"
1323 USE_GNAT_PROJECTS=""
1325 USE_OLD_MAKERULES=""
1326 USE_GNAT_PROJECTS="#"
1329 if test "$cf_gnat_libraries" = yes
1331 USE_GNAT_LIBRARIES=""
1333 USE_GNAT_LIBRARIES="#"
1336 AC_SUBST(USE_OLD_MAKERULES)
1337 AC_SUBST(USE_GNAT_PROJECTS)
1338 AC_SUBST(USE_GNAT_LIBRARIES)
1340 dnl ---------------------------------------------------------------------------
1341 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1343 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1344 dnl is noted that gnat may compile a tasking unit even for configurations which
1345 dnl fail at runtime.
1346 AC_DEFUN([CF_GNAT_SIGINT],[
1347 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1348 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1352 pragma Warnings (Off); -- the next pragma exists since 3.11p
1353 pragma Unreserve_All_Interrupts;
1354 pragma Warnings (On);
1356 protected Process is
1358 function Continue return Boolean;
1359 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1361 Done : Boolean := False;
1365 [package body ConfTest is
1366 protected body Process is
1371 function Continue return Boolean is
1377 [cf_cv_gnat_sigint=yes],
1378 [cf_cv_gnat_sigint=no])])
1380 if test $cf_cv_gnat_sigint = yes ; then
1385 AC_SUBST(USE_GNAT_SIGINT)
1387 dnl ---------------------------------------------------------------------------
1388 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1389 dnl ----------------
1390 dnl Verify that a test program compiles/links with GNAT.
1391 dnl $cf_ada_make is set to the program that compiles/links
1392 dnl $ADAFLAGS may be set to the GNAT flags.
1394 dnl $1 is the text of the spec
1395 dnl $2 is the text of the body
1396 dnl $3 is the shell command to execute if successful
1397 dnl $4 is the shell command to execute if not successful
1398 AC_DEFUN([CF_GNAT_TRY_LINK],
1400 rm -rf conftest* *~conftest*
1401 cat >>conftest.ads <<CF_EOF
1404 cat >>conftest.adb <<CF_EOF
1407 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1408 ifelse($3,, :,[ $3])
1412 rm -rf conftest* *~conftest*
1414 dnl ---------------------------------------------------------------------------
1415 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1417 dnl Verify that a test program compiles and runs with GNAT
1418 dnl $cf_ada_make is set to the program that compiles/links
1419 dnl $ADAFLAGS may be set to the GNAT flags.
1421 dnl $1 is the text of the spec
1422 dnl $2 is the text of the body
1423 dnl $3 is the shell command to execute if successful
1424 dnl $4 is the shell command to execute if not successful
1425 AC_DEFUN([CF_GNAT_TRY_RUN],
1427 rm -rf conftest* *~conftest*
1428 cat >>conftest.ads <<CF_EOF
1431 cat >>conftest.adb <<CF_EOF
1434 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1435 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1436 ifelse($3,, :,[ $3])
1443 rm -rf conftest* *~conftest*
1445 dnl ---------------------------------------------------------------------------
1446 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
1448 dnl Verify version of GNAT.
1449 AC_DEFUN([CF_GNAT_VERSION],
1451 AC_MSG_CHECKING(for gnat version)
1452 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1453 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1454 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1455 AC_MSG_RESULT($cf_gnat_version)
1457 case $cf_gnat_version in #(vi
1458 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
1459 cf_cv_prog_gnat_correct=yes
1462 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1463 cf_cv_prog_gnat_correct=no
1467 dnl ---------------------------------------------------------------------------
1468 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1470 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1471 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1472 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1473 dnl since it is interwoven with GNU extensions.
1475 dnl Well, yes we could work around it...
1476 AC_DEFUN([CF_GNU_SOURCE],
1478 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1479 AC_TRY_COMPILE([#include <sys/types.h>],[
1480 #ifndef _XOPEN_SOURCE
1483 [cf_cv_gnu_source=no],
1484 [cf_save="$CPPFLAGS"
1485 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1486 AC_TRY_COMPILE([#include <sys/types.h>],[
1487 #ifdef _XOPEN_SOURCE
1490 [cf_cv_gnu_source=no],
1491 [cf_cv_gnu_source=yes])
1495 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1497 dnl ---------------------------------------------------------------------------
1498 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1500 dnl Construct a search-list of directories for a nonstandard header-file
1503 dnl $1 = the variable to return as result
1504 dnl $2 = the package name
1505 AC_DEFUN([CF_HEADER_PATH],
1509 # collect the current set of include-directories from compiler flags
1510 cf_header_path_list=""
1511 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1512 for cf_header_path in $CPPFLAGS $CFLAGS
1514 case $cf_header_path in #(vi
1516 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1517 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1518 cf_header_path_list="$cf_header_path_list [$]$1"
1524 # add the variations for the package we are looking for
1525 CF_SUBDIR_PATH($1,$2,include)
1527 test "$includedir" != NONE && \
1528 test "$includedir" != "/usr/include" && \
1529 test -d "$includedir" && {
1530 test -d $includedir && $1="[$]$1 $includedir"
1531 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1534 test "$oldincludedir" != NONE && \
1535 test "$oldincludedir" != "/usr/include" && \
1536 test -d "$oldincludedir" && {
1537 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1538 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1541 $1="[$]$1 $cf_header_path_list"
1543 dnl ---------------------------------------------------------------------------
1544 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1546 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1547 AC_DEFUN([CF_HELP_MESSAGE],
1548 [AC_DIVERT_HELP([$1])dnl
1550 dnl ---------------------------------------------------------------------------
1551 dnl CF_INCLUDE_DIRS version: 9 updated: 2014/07/26 18:54:28
1553 dnl Construct the list of include-options according to whether we're building
1554 dnl in the source directory or using '--srcdir=DIR' option. If we're building
1555 dnl with gcc, don't append the includedir if it happens to be /usr/include,
1556 dnl since that usually breaks gcc's shadow-includes.
1557 AC_DEFUN([CF_INCLUDE_DIRS],
1559 if test "$GCC" != yes; then
1560 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1561 elif test "$includedir" != "/usr/include"; then
1562 if test "$includedir" = '${prefix}/include' ; then
1563 if test x$prefix != x/usr ; then
1564 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1567 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1570 if test "$srcdir" != "."; then
1571 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1573 CPPFLAGS="-I../include $CPPFLAGS"
1574 if test "$srcdir" != "."; then
1575 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1577 CPPFLAGS="-I. $CPPFLAGS"
1580 dnl ---------------------------------------------------------------------------
1581 dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
1582 dnl -----------------
1583 dnl Check if the given compiler is really the Intel compiler for Linux. It
1584 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1585 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1587 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1588 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1589 dnl the wrappers for gcc and g++ warnings.
1591 dnl $1 = GCC (default) or GXX
1592 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1593 dnl $3 = CFLAGS (default) or CXXFLAGS
1594 AC_DEFUN([CF_INTEL_COMPILER],[
1595 AC_REQUIRE([AC_CANONICAL_HOST])
1596 ifelse([$2],,INTEL_COMPILER,[$2])=no
1598 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1601 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1602 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1603 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1605 #ifdef __INTEL_COMPILER
1609 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1610 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1612 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1613 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1618 dnl ---------------------------------------------------------------------------
1619 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1621 dnl Add checks for large file support.
1622 AC_DEFUN([CF_LARGEFILE],[
1623 ifdef([AC_FUNC_FSEEKO],[
1625 if test "$enable_largefile" != no ; then
1628 # Normally we would collect these definitions in the config.h,
1629 # but (like _XOPEN_SOURCE), some environments rely on having these
1630 # defined before any of the system headers are included. Another
1631 # case comes up with C++, e.g., on AIX the compiler compiles the
1632 # header files by themselves before looking at the body files it is
1633 # told to compile. For ncurses, those header files do not include
1635 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1636 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1637 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1639 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1641 #include <sys/types.h>
1644 /* if transitional largefile support is setup, this is true */
1645 extern struct dirent64 * readdir(DIR *);
1646 struct dirent64 *x = readdir((DIR *)0);
1647 struct dirent *y = readdir((DIR *)0);
1650 [cf_cv_struct_dirent64=yes],
1651 [cf_cv_struct_dirent64=no])
1653 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1657 dnl ---------------------------------------------------------------------------
1658 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1660 dnl For the given system and compiler, find the compiler flags to pass to the
1661 dnl loader to use the "rpath" feature.
1662 AC_DEFUN([CF_LD_RPATH_OPT],
1664 AC_REQUIRE([CF_CHECK_CACHE])
1667 AC_MSG_CHECKING(for an rpath option)
1668 case $cf_cv_system_name in #(vi
1670 if test "$GCC" = yes; then
1671 LD_RPATH_OPT="-Wl,-rpath,"
1673 LD_RPATH_OPT="-rpath "
1676 linux*|gnu*|k*bsd*-gnu) #(vi
1677 LD_RPATH_OPT="-Wl,-rpath,"
1679 openbsd[[2-9]].*|mirbsd*) #(vi
1680 LD_RPATH_OPT="-Wl,-rpath,"
1682 dragonfly*|freebsd*) #(vi
1683 LD_RPATH_OPT="-rpath "
1686 LD_RPATH_OPT="-Wl,-rpath,"
1689 LD_RPATH_OPT="-rpath "
1697 AC_MSG_RESULT($LD_RPATH_OPT)
1699 case "x$LD_RPATH_OPT" in #(vi
1701 AC_MSG_CHECKING(if we need a space after rpath option)
1702 cf_save_LIBS="$LIBS"
1703 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1704 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1705 LIBS="$cf_save_LIBS"
1706 AC_MSG_RESULT($cf_rpath_space)
1707 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1711 dnl ---------------------------------------------------------------------------
1712 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1714 dnl Construct a search-list of directories for a nonstandard library-file
1717 dnl $1 = the variable to return as result
1718 dnl $2 = the package name
1719 AC_DEFUN([CF_LIBRARY_PATH],
1722 cf_library_path_list=""
1723 if test -n "${LDFLAGS}${LIBS}" ; then
1724 for cf_library_path in $LDFLAGS $LIBS
1726 case $cf_library_path in #(vi
1728 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1729 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1730 cf_library_path_list="$cf_library_path_list [$]$1"
1736 CF_SUBDIR_PATH($1,$2,lib)
1738 $1="$cf_library_path_list [$]$1"
1740 dnl ---------------------------------------------------------------------------
1741 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1743 dnl Compute the library-prefix for the given host system
1744 dnl $1 = variable to set
1745 define([CF_LIB_PREFIX],
1747 case $cf_cv_system_name in #(vi
1754 ifelse($1,,,[$1=$LIB_PREFIX])
1755 AC_SUBST(LIB_PREFIX)
1757 dnl ---------------------------------------------------------------------------
1758 dnl CF_LIB_SUFFIX version: 23 updated: 2014/06/21 17:47:12
1760 dnl Compute the library file-suffix from the given model name
1762 dnl $2 = variable to set (the nominal library suffix)
1763 dnl $3 = dependency variable to set (actual filename)
1764 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1765 AC_DEFUN([CF_LIB_SUFFIX],
1781 case $cf_cv_system_name in
1786 cygwin*|msys*|mingw*) #(vi
1817 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1818 test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1820 dnl ---------------------------------------------------------------------------
1821 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1823 dnl Compute the string to append to -library from the given model name
1825 dnl $2 = variable to set
1826 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1827 AC_DEFUN([CF_LIB_TYPE],
1836 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1838 dnl ---------------------------------------------------------------------------
1839 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1840 dnl ----------------
1841 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1842 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1843 dnl have to provide wrappers for global tables to ensure they're linked
1845 AC_DEFUN([CF_LINK_DATAONLY],
1847 AC_MSG_CHECKING([if data-only library module links])
1848 AC_CACHE_VAL(cf_cv_link_dataonly,[
1850 cat >conftest.$ac_ext <<EOF
1851 #line __oline__ "configure"
1852 int testdata[[3]] = { 123, 456, 789 };
1854 if AC_TRY_EVAL(ac_compile) ; then
1855 mv conftest.o data.o && \
1856 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1858 rm -f conftest.$ac_ext data.o
1859 cat >conftest.$ac_ext <<EOF
1860 #line __oline__ "configure"
1864 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1866 extern int testdata[[3]];
1867 return testdata[[0]] == 123
1868 && testdata[[1]] == 456
1869 && testdata[[2]] == 789;
1873 if AC_TRY_EVAL(ac_compile); then
1874 mv conftest.o func.o && \
1875 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1877 rm -f conftest.$ac_ext func.o
1878 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1880 LIBS="conftest.a $LIBS"
1884 extern int testfunc();
1885 ${cf_cv_main_return:-return} (!testfunc());
1888 [cf_cv_link_dataonly=yes],
1889 [cf_cv_link_dataonly=no],
1890 [cf_cv_link_dataonly=unknown])
1893 AC_MSG_RESULT($cf_cv_link_dataonly)
1895 if test "$cf_cv_link_dataonly" = no ; then
1896 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1901 dnl ---------------------------------------------------------------------------
1902 dnl CF_MAKEFLAGS version: 15 updated: 2014/05/10 16:43:23
1904 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1905 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1906 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1907 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1908 AC_DEFUN([CF_MAKEFLAGS],
1910 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1912 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1914 cat >cf_makeflags.tmp <<CF_EOF
1917 @ echo '.$cf_option'
1919 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1920 case "$cf_result" in
1922 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1923 case "$cf_result" in
1924 .*CC=*) cf_cv_makeflags=
1926 *) cf_cv_makeflags=$cf_option
1932 *) echo "given option \"$cf_option\", no match \"$cf_result\""
1936 rm -f cf_makeflags.tmp
1939 AC_SUBST(cf_cv_makeflags)
1941 dnl ---------------------------------------------------------------------------
1942 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1944 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
1945 dnl a monocase filesystem.
1946 AC_DEFUN([CF_MAKE_TAGS],[
1947 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1949 AC_CHECK_PROGS(CTAGS, exctags ctags)
1950 AC_CHECK_PROGS(ETAGS, exetags etags)
1952 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1954 if test "$cf_cv_mixedcase" = yes ; then
1955 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1960 if test "$MAKE_UPPER_TAGS" = yes ; then
1966 if test "$MAKE_LOWER_TAGS" = yes ; then
1975 AC_SUBST(MAKE_UPPER_TAGS)
1976 AC_SUBST(MAKE_LOWER_TAGS)
1978 dnl ---------------------------------------------------------------------------
1979 dnl CF_MIXEDCASE_FILENAMES version: 6 updated: 2013/10/08 17:47:05
1980 dnl ----------------------
1981 dnl Check if the file-system supports mixed-case filenames. If we're able to
1982 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1983 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1985 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1986 if test "$cross_compiling" = yes ; then
1987 case $target_alias in #(vi
1988 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) #(vi
1996 rm -f conftest CONFTEST
1998 if test -f CONFTEST ; then
2003 rm -f conftest CONFTEST
2006 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2008 dnl ---------------------------------------------------------------------------
2009 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2011 dnl Check for a working mkstemp. This creates two files, checks that they are
2012 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2013 AC_DEFUN([CF_MKSTEMP],[
2014 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2017 #include <sys/types.h>
2021 #include <sys/stat.h>
2024 char *tmpl = "conftestXXXXXX";
2032 for (n = 0; n < 2; ++n) {
2033 strcpy(name[n], tmpl);
2034 if ((fd = mkstemp(name[n])) >= 0) {
2035 if (!strcmp(name[n], tmpl)
2036 || stat(name[n], &sb) != 0
2037 || (sb.st_mode & S_IFMT) != S_IFREG
2038 || (sb.st_mode & 077) != 0) {
2045 && !strcmp(name[0], name[1]))
2047 ${cf_cv_main_return:-return}(result);
2049 ],[cf_cv_func_mkstemp=yes
2050 ],[cf_cv_func_mkstemp=no
2051 ],[cf_cv_func_mkstemp=maybe])
2053 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2054 AC_CHECK_FUNC(mkstemp)
2056 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2057 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2060 dnl ---------------------------------------------------------------------------
2061 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2063 dnl Write a debug message to config.log, along with the line number in the
2064 dnl configure script.
2065 AC_DEFUN([CF_MSG_LOG],[
2066 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2068 dnl ---------------------------------------------------------------------------
2069 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2070 dnl ----------------
2071 dnl Configure an ncurses add-on, built outside the ncurses tree.
2072 AC_DEFUN([CF_NCURSES_ADDON],[
2074 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2076 AC_MSG_CHECKING(if you want wide-character code)
2077 AC_ARG_ENABLE(widec,
2078 [ --enable-widec compile with wide-char/UTF-8 code],
2079 [with_widec=$enableval],
2081 AC_MSG_RESULT($with_widec)
2082 if test "$with_widec" = yes ; then
2084 CF_NCURSES_CONFIG(ncursesw)
2086 CF_NCURSES_CONFIG(ncurses)
2089 if test "$NCURSES_CONFIG" != none ; then
2091 cf_version=`$NCURSES_CONFIG --version`
2093 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2094 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2095 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2097 # ABI version is not available from headers
2098 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2102 for cf_name in MAJOR MINOR PATCH
2104 cat >conftest.$ac_ext <<CF_EOF
2105 #include <${cf_cv_ncurses_header:-curses.h}>
2106 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2108 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2110 if test -f conftest.out ; then
2111 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2112 eval NCURSES_$cf_name=\"$cf_result\"
2113 # cat conftest.$ac_ext
2118 cf_cv_abi_version=${NCURSES_MAJOR}
2122 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2124 dnl Show the computed version, for logging
2125 cf_cv_timestamp=`date`
2127 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2129 dnl We need these values in the generated headers
2130 AC_SUBST(NCURSES_MAJOR)
2131 AC_SUBST(NCURSES_MINOR)
2132 AC_SUBST(NCURSES_PATCH)
2134 dnl We need these values in the generated makefiles
2135 AC_SUBST(cf_cv_rel_version)
2136 AC_SUBST(cf_cv_abi_version)
2138 dnl FIXME - not needed for Ada95
2139 AC_SUBST(cf_cv_builtin_bool)
2140 AC_SUBST(cf_cv_header_stdbool_h)
2141 AC_SUBST(cf_cv_type_of_bool)dnl
2144 dnl ---------------------------------------------------------------------------
2145 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2146 dnl -------------------
2147 dnl Check if we can compile with ncurses' header file
2148 dnl $1 is the cache variable to set
2149 dnl $2 is the header-file to include
2150 dnl $3 is the root name (ncurses or ncursesw)
2151 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2153 ]ifelse($3,ncursesw,[
2154 #define _XOPEN_SOURCE_EXTENDED
2155 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2156 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2159 #ifdef NCURSES_VERSION
2160 ]ifelse($3,ncursesw,[
2165 printf("%s\n", NCURSES_VERSION);
2177 dnl ---------------------------------------------------------------------------
2178 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2179 dnl -----------------
2180 dnl Tie together the configure-script macros for ncurses.
2181 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2182 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2184 dnl $1 is the root library name (default: "ncurses")
2185 AC_DEFUN([CF_NCURSES_CONFIG],
2187 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2189 echo "Looking for ${cf_ncuconfig_root}-config"
2191 CF_ACVERSION_CHECK(2.52,
2192 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2193 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2195 if test "$NCURSES_CONFIG" != none ; then
2197 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2198 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2200 # even with config script, some packages use no-override for curses.h
2201 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2203 dnl like CF_NCURSES_CPPFLAGS
2204 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2206 dnl like CF_NCURSES_LIBS
2207 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2208 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2210 dnl like CF_NCURSES_VERSION
2211 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2215 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2216 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2220 dnl ---------------------------------------------------------------------------
2221 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2222 dnl -------------------
2223 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2224 dnl the CPPFLAGS variable so we can include its header.
2226 dnl The header files may be installed as either curses.h, or ncurses.h (would
2227 dnl be obsolete, except that some packagers prefer this name to distinguish it
2228 dnl from a "native" curses implementation). If not installed for overwrite,
2229 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2230 dnl /usr/include/ncurses), but someone may have installed overwriting the
2231 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2232 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2235 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2236 dnl is already in the include-path, don't even bother with this, since we cannot
2237 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2239 dnl The optional parameter gives the root name of the library, in case it is
2240 dnl not installed as the default curses library. That is how the
2241 dnl wide-character version of ncurses is installed.
2242 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2243 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2245 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2246 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2248 test -n "$cf_cv_curses_dir" && \
2249 test "$cf_cv_curses_dir" != "no" && { \
2250 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2253 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2254 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2255 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2256 for cf_header in $cf_header_list
2258 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2259 test "$cf_cv_ncurses_h" != no && break
2266 # some applications need this, but should check for NCURSES_VERSION
2267 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2271 dnl ---------------------------------------------------------------------------
2272 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2273 dnl -----------------
2274 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2275 dnl variations of ncurses' installs.
2277 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2278 AC_DEFUN([CF_NCURSES_HEADER],[
2280 if test "$cf_cv_ncurses_h" != no ; then
2281 cf_cv_ncurses_header=$cf_cv_ncurses_h
2284 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2285 test -n "$verbose" && echo
2286 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2287 test -n "$verbose" && echo search path $cf_search
2288 cf_save2_CPPFLAGS="$CPPFLAGS"
2289 for cf_incdir in $cf_search
2291 CF_ADD_INCDIR($cf_incdir)
2296 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2297 if test "$cf_cv_ncurses_h2" != no ; then
2298 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2299 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2302 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2304 CPPFLAGS="$cf_save2_CPPFLAGS"
2305 test "$cf_cv_ncurses_h2" != no && break
2307 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2310 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2311 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2312 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2313 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2315 CF_ADD_INCDIR($cf_1st_incdir)
2319 # Set definitions to allow ifdef'ing for ncurses.h
2321 case $cf_cv_ncurses_header in # (vi
2323 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2327 case $cf_cv_ncurses_header in # (vi
2328 ncurses/curses.h|ncurses/ncurses.h)
2329 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2331 ncursesw/curses.h|ncursesw/ncurses.h)
2332 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2337 dnl ---------------------------------------------------------------------------
2338 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2340 dnl Look for the ncurses library. This is a little complicated on Linux,
2341 dnl because it may be linked with the gpm (general purpose mouse) library.
2342 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2343 dnl unusable with ncurses. However, we don't want to link with gpm unless
2344 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2345 dnl and the linker will record a dependency.
2347 dnl The optional parameter gives the root name of the library, in case it is
2348 dnl not installed as the default curses library. That is how the
2349 dnl wide-character version of ncurses is installed.
2350 AC_DEFUN([CF_NCURSES_LIBS],
2351 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2353 cf_nculib_root=ifelse($1,,ncurses,$1)
2354 # This works, except for the special case where we find gpm, but
2355 # ncurses is in a nonstandard location via $LIBS, and we really want
2358 cf_ncurses_SAVE="$LIBS"
2359 AC_CHECK_LIB(gpm,Gpm_Open,
2360 [AC_CHECK_LIB(gpm,initscr,
2361 [LIBS="$cf_ncurses_SAVE"],
2362 [cf_ncurses_LIBS="-lgpm"])])
2364 case $host_os in #(vi
2366 # This is only necessary if you are linking against an obsolete
2367 # version of ncurses (but it should do no harm, since it's static).
2368 if test "$cf_nculib_root" = ncurses ; then
2369 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2374 CF_ADD_LIBS($cf_ncurses_LIBS)
2376 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2378 CF_ADD_LIBS(-l$cf_nculib_root)
2380 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2381 [#include <${cf_cv_ncurses_header:-curses.h}>],
2386 if test -n "$cf_ncurses_LIBS" ; then
2387 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2388 cf_ncurses_SAVE="$LIBS"
2389 for p in $cf_ncurses_LIBS ; do
2390 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2391 if test "$q" != "$LIBS" ; then
2395 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2396 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2397 [AC_MSG_RESULT(yes)],
2399 LIBS="$cf_ncurses_SAVE"])
2402 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2403 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2405 dnl ---------------------------------------------------------------------------
2406 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2407 dnl ------------------
2408 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2409 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2410 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2411 AC_DEFUN([CF_NCURSES_VERSION],
2413 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2414 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2415 cf_cv_ncurses_version=no
2419 #include <${cf_cv_ncurses_header:-curses.h}>
2423 FILE *fp = fopen("$cf_tempfile", "w");
2424 #ifdef NCURSES_VERSION
2425 # ifdef NCURSES_VERSION_PATCH
2426 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2428 fprintf(fp, "%s\n", NCURSES_VERSION);
2432 fprintf(fp, "old\n");
2437 ${cf_cv_main_return:-return}(0);
2439 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2441 # This will not work if the preprocessor splits the line after the
2442 # Autoconf token. The 'unproto' program does that.
2443 cat > conftest.$ac_ext <<EOF
2444 #include <${cf_cv_ncurses_header:-curses.h}>
2446 #ifdef NCURSES_VERSION
2447 Autoconf NCURSES_VERSION
2455 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2457 if test -f conftest.out ; then
2458 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2459 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2465 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2467 dnl ---------------------------------------------------------------------------
2468 dnl CF_OBJ_SUBDIR version: 6 updated: 2013/09/07 14:06:10
2470 dnl Compute the object-directory name from the given model name
2471 AC_DEFUN([CF_OBJ_SUBDIR],
2474 libtool) $2='obj_lo' ;;
2475 normal) $2='objects' ;;
2476 debug) $2='obj_g' ;;
2477 profile) $2='obj_p' ;;
2479 case $cf_cv_system_name in #(vi
2487 dnl ---------------------------------------------------------------------------
2488 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2490 dnl Provide a value for the $PATH and similar separator (or amend the value
2491 dnl as provided in autoconf 2.5x).
2492 AC_DEFUN([CF_PATHSEP],
2494 AC_MSG_CHECKING(for PATH separator)
2495 case $cf_cv_system_name in
2496 os2*) PATH_SEPARATOR=';' ;;
2497 *) ${PATH_SEPARATOR:=':'} ;;
2499 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2500 AC_SUBST(PATH_SEPARATOR)
2501 AC_MSG_RESULT($PATH_SEPARATOR)
2503 dnl ---------------------------------------------------------------------------
2504 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2506 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2507 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2508 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2509 dnl delayed evaluation of those symbols.
2510 AC_DEFUN([CF_PATH_SYNTAX],[
2511 if test "x$prefix" != xNONE; then
2512 cf_path_syntax="$prefix"
2514 cf_path_syntax="$ac_default_prefix"
2517 case ".[$]$1" in #(vi
2518 .\[$]\(*\)*|.\'*\'*) #(vi
2522 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2524 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2526 case ".[$]$1" in #(vi
2528 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2533 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2536 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2540 dnl ---------------------------------------------------------------------------
2541 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2543 dnl Check for the package-config program, unless disabled by command-line.
2544 AC_DEFUN([CF_PKG_CONFIG],
2546 AC_MSG_CHECKING(if you want to use pkg-config)
2547 AC_ARG_WITH(pkg-config,
2548 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2549 [cf_pkg_config=$withval],
2550 [cf_pkg_config=yes])
2551 AC_MSG_RESULT($cf_pkg_config)
2553 case $cf_pkg_config in #(vi
2558 CF_ACVERSION_CHECK(2.52,
2559 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2560 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2567 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2568 if test "$PKG_CONFIG" != none ; then
2569 CF_PATH_SYNTAX(PKG_CONFIG)
2572 AC_SUBST(PKG_CONFIG)
2574 dnl ---------------------------------------------------------------------------
2575 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2576 dnl -----------------
2577 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2579 dnl POSIX.1-1990 _POSIX_SOURCE
2580 dnl POSIX.1-1990 and _POSIX_SOURCE and
2581 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2583 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2584 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2585 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2588 dnl $1 is the nominal value for _POSIX_C_SOURCE
2589 AC_DEFUN([CF_POSIX_C_SOURCE],
2591 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2593 cf_save_CFLAGS="$CFLAGS"
2594 cf_save_CPPFLAGS="$CPPFLAGS"
2596 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2597 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2599 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2600 CF_MSG_LOG(if the symbol is already defined go no further)
2601 AC_TRY_COMPILE([#include <sys/types.h>],[
2602 #ifndef _POSIX_C_SOURCE
2605 [cf_cv_posix_c_source=no],
2606 [cf_want_posix_source=no
2607 case .$cf_POSIX_C_SOURCE in #(vi
2609 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2612 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2613 cf_want_posix_source=yes
2616 cf_want_posix_source=yes
2619 if test "$cf_want_posix_source" = yes ; then
2620 AC_TRY_COMPILE([#include <sys/types.h>],[
2621 #ifdef _POSIX_SOURCE
2624 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2626 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2627 CFLAGS="$cf_trim_CFLAGS"
2628 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2629 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2630 AC_TRY_COMPILE([#include <sys/types.h>],[
2631 #ifndef _POSIX_C_SOURCE
2634 [cf_cv_posix_c_source=no])
2635 CFLAGS="$cf_save_CFLAGS"
2636 CPPFLAGS="$cf_save_CPPFLAGS"
2640 if test "$cf_cv_posix_c_source" != no ; then
2641 CFLAGS="$cf_trim_CFLAGS"
2642 CPPFLAGS="$cf_trim_CPPFLAGS"
2643 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2647 dnl ---------------------------------------------------------------------------
2648 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2650 dnl Check for archiver "ar".
2651 AC_DEFUN([CF_PROG_AR],[
2652 AC_CHECK_TOOL(AR, ar, ar)
2654 dnl ---------------------------------------------------------------------------
2655 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2657 dnl Check for awk, ensure that the check found something.
2658 AC_DEFUN([CF_PROG_AWK],
2661 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2663 dnl ---------------------------------------------------------------------------
2664 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2666 dnl standard check for CC, plus followup sanity checks
2667 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2668 AC_DEFUN([CF_PROG_CC],[
2669 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2671 CF_ACVERSION_CHECK(2.52,
2676 dnl ---------------------------------------------------------------------------
2677 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2679 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2680 dnl the output file can be renamed, and allows for a shell variable that can
2681 dnl be used later. The parameter is either CC or CXX. The result is the
2683 dnl $cf_cv_prog_CC_c_o
2684 dnl $cf_cv_prog_CXX_c_o
2685 AC_DEFUN([CF_PROG_CC_C_O],
2686 [AC_REQUIRE([AC_PROG_CC])dnl
2687 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2688 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2690 cat > conftest.$ac_ext <<CF_EOF
2694 ${cf_cv_main_return:-return}(0);
2697 # We do the test twice because some compilers refuse to overwrite an
2698 # existing .o file with -o, though they will create one.
2699 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2700 if AC_TRY_EVAL(ac_try) &&
2701 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2703 eval cf_cv_prog_$1_c_o=yes
2705 eval cf_cv_prog_$1_c_o=no
2709 if test $cf_cv_prog_$1_c_o = yes; then
2710 AC_MSG_RESULT([yes])
2715 dnl ---------------------------------------------------------------------------
2716 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2718 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2719 dnl This macro adds a check to ensure the script found something.
2720 AC_DEFUN([CF_PROG_EGREP],
2721 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2722 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2723 then ac_cv_prog_egrep='grep -E'
2724 else ac_cv_prog_egrep='egrep'
2726 EGREP=$ac_cv_prog_egrep
2728 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2730 dnl ---------------------------------------------------------------------------
2731 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2733 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2734 AC_DEFUN([CF_PROG_EXT],
2736 AC_REQUIRE([CF_CHECK_CACHE])
2737 case $cf_cv_system_name in
2739 CFLAGS="$CFLAGS -Zmt"
2740 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2741 CXXFLAGS="$CXXFLAGS -Zmt"
2742 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2743 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2753 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2755 dnl ---------------------------------------------------------------------------
2756 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2758 dnl Check for gnatmake, ensure that it is complete.
2759 AC_DEFUN([CF_PROG_GNAT],[
2760 cf_ada_make=gnatmake
2761 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2762 if test "$ac_cv_prog_gnat_exists" = no; then
2764 cf_cv_prog_gnat_correct=no
2767 AC_CHECK_PROG(M4_exists, m4, yes, no)
2768 if test "$ac_cv_prog_M4_exists" = no; then
2769 cf_cv_prog_gnat_correct=no
2770 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2772 if test "$cf_cv_prog_gnat_correct" = yes; then
2773 AC_MSG_CHECKING(if GNAT works)
2774 CF_GNAT_TRY_RUN([procedure conftest;],
2777 procedure conftest is
2779 Text_IO.Put ("Hello World");
2781 GNAT.OS_Lib.OS_Exit (0);
2782 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2783 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2787 AC_SUBST(cf_ada_make)
2789 dnl ---------------------------------------------------------------------------
2790 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2792 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2793 dnl option if it is supported.
2794 AC_DEFUN([CF_PROG_LN_S],[
2796 AC_MSG_CHECKING(if $LN_S -f options work)
2798 rm -f conf$$.src conf$$dst
2800 echo first >conf$$.src
2801 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2806 rm -f conf$$.dst conf$$src
2807 AC_MSG_RESULT($cf_prog_ln_sf)
2809 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2811 dnl ---------------------------------------------------------------------------
2812 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2813 dnl ----------------
2814 dnl Remove all -U and -D options that refer to the given symbol from a list
2815 dnl of C compiler options. This works around the problem that not all
2816 dnl compilers process -U and -D options from left-to-right, so a -U option
2817 dnl cannot be used to cancel the effect of a preceding -D option.
2819 dnl $1 = target (which could be the same as the source variable)
2820 dnl $2 = source (including '$')
2821 dnl $3 = symbol to remove
2822 define([CF_REMOVE_DEFINE],
2825 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2826 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2828 dnl ---------------------------------------------------------------------------
2829 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2831 dnl Remove the given library from the symbol
2833 dnl $1 = target (which could be the same as the source variable)
2834 dnl $2 = source (including '$')
2835 dnl $3 = library to remove
2836 define([CF_REMOVE_LIB],
2838 # remove $3 library from $2
2839 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2841 dnl ---------------------------------------------------------------------------
2842 dnl CF_SHARED_OPTS version: 84 updated: 2013/11/03 06:26:10
2845 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2849 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2850 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2851 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2852 dnl shared library since that can lead to unexpected results at runtime.
2853 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2854 dnl libraries are compiled in ../../lib
2856 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2857 dnl to install symbolic links to the rel/abi versions of shared libraries.
2859 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2860 dnl version when making symbolic links.
2862 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2863 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2864 dnl (ex: libncurses.so.<ver>).
2866 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2867 AC_DEFUN([CF_SHARED_OPTS],
2869 AC_REQUIRE([CF_LD_RPATH_OPT])
2874 INSTALL_LIB="-m 644"
2875 : ${rel_builddir:=.}
2883 cf_cv_do_symlinks=no
2885 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2887 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2888 AC_ARG_WITH(shlib-version,
2889 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2890 [test -z "$withval" && withval=auto
2891 case $withval in #(vi
2893 cf_cv_shlib_version=auto
2895 rel|abi|auto|no) #(vi
2896 cf_cv_shlib_version=$withval
2899 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2902 ],[cf_cv_shlib_version=auto])
2903 AC_MSG_RESULT($cf_cv_shlib_version)
2908 # Some less-capable ports of gcc support only -fpic
2910 if test "$GCC" = yes
2912 AC_MSG_CHECKING(which $CC option to use)
2913 cf_save_CFLAGS="$CFLAGS"
2914 for CC_SHARED_OPTS in -fPIC -fpic ''
2916 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2917 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2919 AC_MSG_RESULT($CC_SHARED_OPTS)
2920 CFLAGS="$cf_save_CFLAGS"
2923 cf_cv_shlib_version_infix=no
2925 case $cf_cv_system_name in #(vi
2926 aix4.[3-9]*|aix[[5-7]]*) #(vi
2927 if test "$GCC" = yes; then
2929 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2931 # CC_SHARED_OPTS='-qpic=large -G'
2932 # perhaps "-bM:SRE -bnoentry -bexpall"
2933 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2937 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2941 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2942 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2943 cf_cv_shlib_version=cygdll
2944 cf_cv_shlib_version_infix=cygdll
2947 cat >mk_shared_lib.sh <<-CF_EOF
2950 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2953 Linking shared library
2954 ** SHARED_LIB \[$]SHARED_LIB
2955 ** IMPORT_LIB \[$]IMPORT_LIB
2957 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2959 chmod +x mk_shared_lib.sh
2963 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2964 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2965 cf_cv_shlib_version=msysdll
2966 cf_cv_shlib_version_infix=msysdll
2969 cat >mk_shared_lib.sh <<-CF_EOF
2972 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2975 Linking shared library
2976 ** SHARED_LIB \[$]SHARED_LIB
2977 ** IMPORT_LIB \[$]IMPORT_LIB
2979 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2981 chmod +x mk_shared_lib.sh
2984 cf_try_cflags="no-cpp-precomp"
2985 CC_SHARED_OPTS="-dynamic"
2986 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2987 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2988 cf_cv_shlib_version_infix=yes
2989 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
2990 cf_save_LDFLAGS=$LDFLAGS
2991 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2992 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
2993 LDFLAGS=$cf_save_LDFLAGS])
2994 if test $cf_cv_ldflags_search_paths_first = yes; then
2995 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2999 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3000 if test "$GCC" != yes; then
3003 MK_SHARED_LIB='${LD} -b -o $[@]'
3004 INSTALL_LIB="-m 555"
3007 # (tested with gcc 2.7.2 -- I don't have c89)
3008 if test "$GCC" = yes; then
3009 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3012 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3014 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3015 # HP-UX shared libraries must be executable, and should be
3016 # readonly to exploit a quirk in the memory manager.
3017 INSTALL_LIB="-m 555"
3020 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3021 if test "$cf_cv_shlib_version" = rel; then
3022 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3024 cf_shared_soname='`basename $@`'
3027 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3030 if test "$cf_cv_enable_rpath" = yes ; then
3031 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3033 # tested with IRIX 5.2 and 'cc'.
3034 if test "$GCC" != yes; then
3035 CC_SHARED_OPTS='-KPIC'
3036 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3038 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3040 cf_cv_rm_so_locs=yes
3042 linux*|gnu*|k*bsd*-gnu) #(vi
3043 if test "$DFT_LWR_MODEL" = "shared" ; then
3044 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3045 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3047 if test "$cf_cv_enable_rpath" = yes ; then
3048 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3051 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3054 cf_cv_shlib_version=mingw
3055 cf_cv_shlib_version_infix=mingw
3058 if test "$DFT_LWR_MODEL" = "shared" ; then
3059 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3060 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3061 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3064 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3065 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3066 cat >mk_shared_lib.sh <<-CF_EOF
3069 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3072 Linking shared library
3073 ** SHARED_LIB \[$]SHARED_LIB
3074 ** IMPORT_LIB \[$]IMPORT_LIB
3076 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3078 chmod +x mk_shared_lib.sh
3080 openbsd[[2-9]].*|mirbsd*) #(vi
3081 if test "$DFT_LWR_MODEL" = "shared" ; then
3082 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3083 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3085 if test "$cf_cv_enable_rpath" = yes ; then
3086 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3088 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3090 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3092 nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3093 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3094 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3095 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3097 dragonfly*|freebsd*) #(vi
3098 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3099 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3100 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3101 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3102 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3105 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3108 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3109 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3110 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3111 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3112 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3113 if test "$cf_cv_shlib_version" = auto; then
3114 if test -f /usr/libexec/ld.elf_so; then
3115 cf_cv_shlib_version=abi
3117 cf_cv_shlib_version=rel
3121 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3123 MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3127 # tested with OSF/1 V3.2 and 'cc'
3128 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3129 # link with shared libs).
3130 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3131 case $host_os in #(vi
3133 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3136 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3137 if test "$DFT_LWR_MODEL" = "shared" ; then
3138 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3139 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3141 cf_cv_rm_so_locs=yes
3143 sco3.2v5*) # (also uw2* and UW7: hops 13-Apr-98
3144 # tested with osr5.0.5
3145 if test "$GCC" != yes; then
3146 CC_SHARED_OPTS='-belf -KPIC'
3148 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3149 if test "$cf_cv_enable_rpath" = yes ; then
3150 # only way is to set LD_RUN_PATH but no switch for it
3153 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3154 LINK_PROGS='LD_RUN_PATH=${libdir}'
3155 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3158 # tested with SunOS 4.1.1 and gcc 2.7.0
3159 if test "$GCC" != yes; then
3160 CC_SHARED_OPTS='-KPIC'
3162 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3163 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3166 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3167 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3168 if test "$DFT_LWR_MODEL" = "shared" ; then
3169 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3170 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3172 if test "$cf_cv_enable_rpath" = yes ; then
3173 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3176 if test "$GCC" != yes; then
3177 cf_save_CFLAGS="$CFLAGS"
3178 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3180 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3181 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3183 CFLAGS="$cf_save_CFLAGS"
3184 CC_SHARED_OPTS=$cf_shared_opts
3185 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3187 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3190 sysv5uw7*|unix_sv*) #(vi
3191 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3192 if test "$GCC" != yes; then
3193 CC_SHARED_OPTS='-KPIC'
3195 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3198 CC_SHARED_OPTS='unknown'
3199 MK_SHARED_LIB='echo unknown'
3203 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3204 case "$cf_cv_shlib_version" in #(vi
3206 case "$MK_SHARED_LIB" in #(vi
3208 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3211 AC_MSG_WARN(ignored --with-shlib-version)
3217 if test -n "$cf_try_cflags"
3219 cat > conftest.$ac_ext <<EOF
3220 #line __oline__ "${as_me:-configure}"
3222 int main(int argc, char *argv[[]])
3225 return (argv[[argc-1]] == 0) ;
3228 cf_save_CFLAGS="$CFLAGS"
3229 for cf_opt in $cf_try_cflags
3231 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3232 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3233 if AC_TRY_EVAL(ac_compile); then
3235 cf_save_CFLAGS="$CFLAGS"
3240 CFLAGS="$cf_save_CFLAGS"
3244 # RPATH_LIST is a colon-separated list of directories
3245 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3246 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3248 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3250 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3251 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3253 AC_SUBST(CC_SHARED_OPTS)
3254 AC_SUBST(LD_RPATH_OPT)
3255 AC_SUBST(LD_SHARED_OPTS)
3256 AC_SUBST(MK_SHARED_LIB)
3257 AC_SUBST(RM_SHARED_OPTS)
3259 AC_SUBST(LINK_PROGS)
3260 AC_SUBST(LINK_TESTS)
3262 AC_SUBST(EXTRA_LDFLAGS)
3263 AC_SUBST(LOCAL_LDFLAGS)
3264 AC_SUBST(LOCAL_LDFLAGS2)
3266 AC_SUBST(INSTALL_LIB)
3267 AC_SUBST(RPATH_LIST)
3269 dnl ---------------------------------------------------------------------------
3270 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3271 dnl ----------------
3272 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3273 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3276 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3277 dnl If missing, use "rel".
3278 define([CF_SHARED_SONAME],
3280 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3281 if test "$cf_cv_shlib_version" = rel; then
3282 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3284 cf_cv_shared_soname='`basename $[@]`'
3287 dnl ---------------------------------------------------------------------------
3288 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3290 dnl Remove "-g" option from the compiler options
3291 AC_DEFUN([CF_STRIP_G_OPT],
3292 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3293 dnl ---------------------------------------------------------------------------
3294 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3296 dnl Construct a search-list for a nonstandard header/lib-file
3297 dnl $1 = the variable to return as result
3298 dnl $2 = the package name
3299 dnl $3 = the subdirectory, e.g., bin, include or lib
3300 AC_DEFUN([CF_SUBDIR_PATH],
3304 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3305 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3306 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3307 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3308 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3310 dnl ---------------------------------------------------------------------------
3311 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3313 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3314 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3315 dnl but some packagers change this, breaking various applications.
3316 AC_DEFUN([CF_TERM_HEADER],[
3317 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3318 case ${cf_cv_ncurses_header} in #(vi
3319 */ncurses.h|*/ncursesw.h) #(vi
3320 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3323 cf_term_header=term.h
3327 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3329 AC_TRY_COMPILE([#include <stdio.h>
3330 #include <${cf_cv_ncurses_header:-curses.h}>
3332 ],[int x = auto_left_margin],[
3333 cf_cv_term_header="$cf_test"],[
3334 cf_cv_term_header=unknown
3336 test "$cf_cv_term_header" != unknown && break
3340 # Set definitions to allow ifdef'ing to accommodate subdirectories
3342 case $cf_cv_term_header in # (vi
3344 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3348 case $cf_cv_term_header in # (vi
3349 ncurses/term.h) #(vi
3350 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3353 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3357 dnl ---------------------------------------------------------------------------
3358 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3360 dnl Define a top_builddir symbol, for applications that need an absolute path.
3361 AC_DEFUN([CF_TOP_BUILDDIR],
3363 top_builddir=ifelse($1,,`pwd`,$1)
3364 AC_SUBST(top_builddir)
3366 dnl ---------------------------------------------------------------------------
3367 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3368 dnl -------------------
3369 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3370 dnl can define it successfully.
3371 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3372 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3376 #include <sys/types.h>
3378 #ifndef _XOPEN_SOURCE
3381 [cf_cv_xopen_source=no],
3382 [cf_save="$CPPFLAGS"
3383 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3387 #include <sys/types.h>
3389 #ifdef _XOPEN_SOURCE
3392 [cf_cv_xopen_source=no],
3393 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3398 if test "$cf_cv_xopen_source" != no ; then
3399 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3400 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3401 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3402 CF_ADD_CFLAGS($cf_temp_xopen_source)
3405 dnl ---------------------------------------------------------------------------
3406 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3408 dnl Make an uppercase version of a variable
3409 dnl $1=uppercase($2)
3410 AC_DEFUN([CF_UPPER],
3412 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3414 dnl ---------------------------------------------------------------------------
3415 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3417 dnl Check for multibyte support, and if not found, utf8 compatibility library
3418 AC_DEFUN([CF_UTF8_LIB],
3420 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3421 cf_save_LIBS="$LIBS"
3423 #include <stdlib.h>],[putwc(0,0);],
3424 [cf_cv_utf8_lib=yes],
3426 #include <libutf8.h>],[putwc(0,0);],utf8,
3427 [cf_cv_utf8_lib=add-on],
3428 [cf_cv_utf8_lib=no])
3431 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3433 if test "$cf_cv_utf8_lib" = "add-on" ; then
3434 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3435 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3436 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3437 CF_ADD_LIBS($cf_cv_library_file_utf8)
3440 dnl ---------------------------------------------------------------------------
3441 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3443 dnl Use AC_VERBOSE w/o the warnings
3444 AC_DEFUN([CF_VERBOSE],
3445 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3448 dnl ---------------------------------------------------------------------------
3449 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3451 dnl Check for compiler-support for weak symbols.
3452 dnl This works with "recent" gcc.
3453 AC_DEFUN([CF_WEAK_SYMBOLS],[
3454 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3457 #include <stdio.h>],
3459 #if defined(__GNUC__)
3460 # if defined __USE_ISOC99
3461 # define _cat_pragma(exp) _Pragma(#exp)
3462 # define _weak_pragma(exp) _cat_pragma(weak name)
3464 # define _weak_pragma(exp)
3466 # define _declare(name) __extension__ extern __typeof__(name) name
3467 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3471 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3474 dnl ---------------------------------------------------------------------------
3475 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3476 dnl --------------------
3477 dnl Command-line option to specify the Ada95 compiler.
3478 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3479 AC_MSG_CHECKING(for ada-compiler)
3480 AC_ARG_WITH(ada-compiler,
3481 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3482 [cf_ada_compiler=$withval],
3483 [cf_ada_compiler=gnatmake])
3484 AC_SUBST(cf_ada_compiler)
3485 AC_MSG_RESULT($cf_ada_compiler)
3487 dnl ---------------------------------------------------------------------------
3488 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3489 dnl -------------------
3490 dnl Command-line option to specify where Ada includes will install.
3491 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3492 AC_MSG_CHECKING(for ada-include)
3493 CF_WITH_PATH(ada-include,
3494 [ --with-ada-include=DIR Ada includes are in DIR],
3496 PREFIX/share/ada/adainclude,
3497 [$]prefix/share/ada/adainclude)
3498 AC_SUBST(ADA_INCLUDE)
3499 AC_MSG_RESULT($ADA_INCLUDE)
3501 dnl ---------------------------------------------------------------------------
3502 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3503 dnl -------------------
3504 dnl Command-line option to specify where Ada objects will install.
3505 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3506 AC_MSG_CHECKING(for ada-objects)
3507 CF_WITH_PATH(ada-objects,
3508 [ --with-ada-objects=DIR Ada objects are in DIR],
3510 PREFIX/lib/ada/adalib,
3511 [$]prefix/lib/ada/adalib)
3512 AC_SUBST(ADA_OBJECTS)
3513 AC_MSG_RESULT($ADA_OBJECTS)
3515 dnl ---------------------------------------------------------------------------
3516 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3517 dnl ---------------------
3518 dnl Command-line option to specify if an Ada95 shared-library should be built,
3519 dnl and optionally what its soname should be.
3520 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3521 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3522 AC_ARG_WITH(ada-sharedlib,
3523 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3524 [with_ada_sharedlib=$withval],
3525 [with_ada_sharedlib=no])
3526 AC_MSG_RESULT($with_ada_sharedlib)
3528 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3529 MAKE_ADA_SHAREDLIB="#"
3531 if test "x$with_ada_sharedlib" != xno
3534 if test "x$with_ada_sharedlib" != xyes
3536 ADA_SHAREDLIB="$with_ada_sharedlib"
3540 AC_SUBST(ADA_SHAREDLIB)
3541 AC_SUBST(MAKE_ADA_SHAREDLIB)
3543 dnl ---------------------------------------------------------------------------
3544 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3545 dnl ------------------
3546 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3548 AC_DEFUN([CF_WITH_CURSES_DIR],[
3550 AC_MSG_CHECKING(for specific curses-directory)
3551 AC_ARG_WITH(curses-dir,
3552 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3553 [cf_cv_curses_dir=$withval],
3554 [cf_cv_curses_dir=no])
3555 AC_MSG_RESULT($cf_cv_curses_dir)
3557 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3559 CF_PATH_SYNTAX(withval)
3560 if test -d "$cf_cv_curses_dir"
3562 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3563 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3567 dnl ---------------------------------------------------------------------------
3568 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3569 dnl ------------------
3570 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3571 dnl "lib" prefix, e.g., because it used the dll naming convention.
3573 dnl $1 = variable to set
3574 AC_DEFUN([CF_WITH_LIB_PREFIX],
3576 AC_MSG_CHECKING(if you want to have a library-prefix)
3577 AC_ARG_WITH(lib-prefix,
3578 [ --with-lib-prefix override library-prefix],
3579 [with_lib_prefix=$withval],
3580 [with_lib_prefix=auto])
3581 AC_MSG_RESULT($with_lib_prefix)
3583 if test $with_lib_prefix = auto
3586 elif test $with_lib_prefix = no
3590 LIB_PREFIX=$with_lib_prefix
3593 dnl ---------------------------------------------------------------------------
3594 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3596 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3597 dnl defaulting to yes/no.
3599 dnl $1 = option name
3601 dnl $3 = environment variable to set
3602 dnl $4 = default value, shown in the help-message, must be a constant
3603 dnl $5 = default value, if it's an expression & cannot be in the help-message
3605 AC_DEFUN([CF_WITH_PATH],
3606 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3607 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3608 if ifelse([$5],,true,[test -n "$5"]) ; then
3609 CF_PATH_SYNTAX(withval)
3614 dnl ---------------------------------------------------------------------------
3615 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
3616 dnl -------------------------
3617 dnl Allow the choice of the pkg-config library directory to be overridden.
3618 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3619 if test "$PKG_CONFIG" != none ; then
3620 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3621 AC_ARG_WITH(pkg-config-libdir,
3622 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3623 [PKG_CONFIG_LIBDIR=$withval],
3624 [PKG_CONFIG_LIBDIR=yes])
3626 case x$PKG_CONFIG_LIBDIR in #(vi
3630 # look for the library directory using the same prefix as the executable
3631 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3632 case x`(arch) 2>/dev/null` in #(vi
3634 for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3636 if test -d $cf_config/pkgconfig
3638 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3644 PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3652 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3655 AC_SUBST(PKG_CONFIG_LIBDIR)
3657 dnl ---------------------------------------------------------------------------
3658 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3660 dnl Check for POSIX thread library.
3661 AC_DEFUN([CF_WITH_PTHREAD],
3663 AC_MSG_CHECKING(if you want to link with the pthread library)
3664 AC_ARG_WITH(pthread,
3665 [ --with-pthread use POSIX thread library],
3666 [with_pthread=$withval],
3668 AC_MSG_RESULT($with_pthread)
3670 if test "$with_pthread" != no ; then
3671 AC_CHECK_HEADER(pthread.h,[
3672 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3674 for cf_lib_pthread in pthread c_r
3676 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3677 cf_save_LIBS="$LIBS"
3678 CF_ADD_LIB($cf_lib_pthread)
3680 #include <pthread.h>
3682 int rc = pthread_create(0,0,0,0);
3683 int r2 = pthread_mutexattr_settype(0, 0);
3684 ],[with_pthread=yes],[with_pthread=no])
3685 LIBS="$cf_save_LIBS"
3686 AC_MSG_RESULT($with_pthread)
3687 test "$with_pthread" = yes && break
3690 if test "$with_pthread" = yes ; then
3691 CF_ADD_LIB($cf_lib_pthread)
3692 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3694 AC_MSG_ERROR(Cannot link with pthread library)
3699 dnl ---------------------------------------------------------------------------
3700 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3702 dnl For testing, override the derived host system-type which is used to decide
3703 dnl things such as the linker commands used to build shared libraries. This is
3704 dnl normally chosen automatically based on the type of system which you are
3705 dnl building on. We use it for testing the configure script.
3707 dnl This is different from the --host option: it is used only for testing parts
3708 dnl of the configure script which would not be reachable with --host since that
3709 dnl relies on the build environment being real, rather than mocked up.
3710 AC_DEFUN([CF_WITH_SYSTYPE],[
3711 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3712 AC_ARG_WITH(system-type,
3713 [ --with-system-type=XXX test: override derived host system-type],
3714 [AC_MSG_WARN(overriding system type to $withval)
3715 cf_cv_system_name=$withval
3719 dnl ---------------------------------------------------------------------------
3720 dnl CF_XOPEN_SOURCE version: 47 updated: 2014/07/23 17:11:49
3722 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3723 dnl or adapt to the vendor's definitions to get equivalent functionality,
3724 dnl without losing the common non-POSIX features.
3727 dnl $1 is the nominal value for _XOPEN_SOURCE
3728 dnl $2 is the nominal value for _POSIX_C_SOURCE
3729 AC_DEFUN([CF_XOPEN_SOURCE],[
3730 AC_REQUIRE([AC_CANONICAL_HOST])
3732 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3733 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3736 case $host_os in #(vi
3738 cf_xopen_source="-D_ALL_SOURCE"
3743 darwin[[0-8]].*) #(vi
3744 cf_xopen_source="-D_APPLE_C_SOURCE"
3747 cf_xopen_source="-D_DARWIN_C_SOURCE"
3750 freebsd*|dragonfly*) #(vi
3751 # 5.x headers associate
3752 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3753 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3754 cf_POSIX_C_SOURCE=200112L
3756 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3759 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3762 cf_xopen_source="-D_HPUX_SOURCE"
3765 cf_xopen_source="-D_SGI_SOURCE"
3768 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3772 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3775 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3777 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3780 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3782 openbsd[[4-9]]*) #(vi
3783 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3784 cf_xopen_source="-D_BSD_SOURCE"
3788 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3791 cf_xopen_source="-D_OSF_SOURCE"
3794 cf_xopen_source="-D_QNX_SOURCE"
3797 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3800 cf_xopen_source="-D__EXTENSIONS__"
3801 cf_cv_xopen_source=broken
3805 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3809 if test -n "$cf_xopen_source" ; then
3810 CF_ADD_CFLAGS($cf_xopen_source,true)
3813 dnl In anything but the default case, we may have system-specific setting
3814 dnl which is still not guaranteed to provide all of the entrypoints that
3815 dnl _XOPEN_SOURCE would yield.
3816 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3817 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3818 AC_TRY_COMPILE([#include <stdlib.h>],[
3819 #ifndef _XOPEN_SOURCE
3822 [cf_XOPEN_SOURCE_set=yes],
3823 [cf_XOPEN_SOURCE_set=no])
3824 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3825 if test $cf_XOPEN_SOURCE_set = yes
3827 AC_TRY_COMPILE([#include <stdlib.h>],[
3828 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3831 [cf_XOPEN_SOURCE_set_ok=yes],
3832 [cf_XOPEN_SOURCE_set_ok=no])
3833 if test $cf_XOPEN_SOURCE_set_ok = no
3835 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)