1 dnl***************************************************************************
2 dnl Copyright (c) 2010-2012,2013 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 1.67 2013/06/15 21:13:50 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: 4 updated: 2013/03/04 19:52:56
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], ,[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: 6 updated: 2010/02/26 19:52:07
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 $prefix != /usr ; then
83 ACPPFLAGS="$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: 10 updated: 2010/05/26 05:38:42
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 ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
125 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
126 && test -z "${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 ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
162 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
163 && test -z "${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: 1 updated: 2010/06/02 05:03:05
291 dnl Add one or more libraries, used to enforce consistency.
293 dnl $1 = libraries to add, with the "-l", etc.
294 dnl $2 = variable to update (default $LIBS)
295 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
296 dnl ---------------------------------------------------------------------------
297 dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
298 dnl ------------------
299 dnl Append to a search-list for a nonstandard header/lib-file
300 dnl $1 = the variable to return as result
301 dnl $2 = the package name
302 dnl $3 = the subdirectory, e.g., bin, include or lib
303 dnl $4 = the directory under which we will test for subdirectories
304 dnl $5 = a directory that we do not want $4 to match
305 AC_DEFUN([CF_ADD_SUBDIR_PATH],
307 test "$4" != "$5" && \
309 ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
310 test -n "$verbose" && echo " ... testing for $3-directories under $4"
311 test -d $4/$3 && $1="[$]$1 $4/$3"
312 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
313 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
314 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
315 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
318 dnl ---------------------------------------------------------------------------
319 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
321 dnl Allow user to disable a normally-on option.
322 AC_DEFUN([CF_ARG_DISABLE],
323 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
324 dnl ---------------------------------------------------------------------------
325 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
327 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
333 dnl $3 = action to perform if option is not default
334 dnl $4 = action if perform if option is default
335 dnl $5 = default option value (either 'yes' or 'no')
336 AC_DEFUN([CF_ARG_OPTION],
337 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
338 if test "$enableval" != "$5" ; then
340 ,[ $3]) ifelse([$4],,,[
343 fi],[enableval=$5 ifelse([$4],,,[
347 dnl ---------------------------------------------------------------------------
348 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
350 dnl Check for suitable "ar" (archiver) options for updating an archive.
351 AC_DEFUN([CF_AR_FLAGS],[
352 AC_REQUIRE([CF_PROG_AR])
354 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
355 cf_cv_ar_flags=unknown
356 for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
359 # check if $ARFLAGS already contains this choice
360 if test "x$ARFLAGS" != "x" ; then
361 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
362 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
368 rm -f conftest.$ac_cv_objext
371 cat >conftest.$ac_ext <<EOF
372 #line __oline__ "configure"
373 int testdata[[3]] = { 123, 456, 789 };
375 if AC_TRY_EVAL(ac_compile) ; then
376 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
377 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
378 if test -f conftest.a ; then
379 cf_cv_ar_flags=$cf_ar_flags
383 CF_VERBOSE(cannot compile test-program)
387 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
390 if test -n "$ARFLAGS" ; then
391 if test -n "$cf_cv_ar_flags" ; then
392 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
395 ARFLAGS=$cf_cv_ar_flags
400 dnl ---------------------------------------------------------------------------
401 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
403 dnl If we're cross-compiling, allow the user to override the tools and their
404 dnl options. The configure script is oriented toward identifying the host
405 dnl compiler, etc., but we need a build compiler to generate parts of the
408 dnl $1 = default for $CPPFLAGS
409 dnl $2 = default for $LIBS
410 AC_DEFUN([CF_BUILD_CC],[
411 CF_ACVERSION_CHECK(2.52,,
412 [AC_REQUIRE([CF_PROG_EXT])])
413 if test "$cross_compiling" = yes ; then
415 # defaults that we might want to override
416 : ${BUILD_CFLAGS:=''}
417 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
418 : ${BUILD_LDFLAGS:=''}
419 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
420 : ${BUILD_EXEEXT:='$x'}
421 : ${BUILD_OBJEXT:='o'}
423 AC_ARG_WITH(build-cc,
424 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
425 [BUILD_CC="$withval"],
426 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
427 AC_MSG_CHECKING(for native build C compiler)
428 AC_MSG_RESULT($BUILD_CC)
430 AC_MSG_CHECKING(for native build C preprocessor)
431 AC_ARG_WITH(build-cpp,
432 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
433 [BUILD_CPP="$withval"],
434 [BUILD_CPP='${BUILD_CC} -E'])
435 AC_MSG_RESULT($BUILD_CPP)
437 AC_MSG_CHECKING(for native build C flags)
438 AC_ARG_WITH(build-cflags,
439 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
440 [BUILD_CFLAGS="$withval"])
441 AC_MSG_RESULT($BUILD_CFLAGS)
443 AC_MSG_CHECKING(for native build C preprocessor-flags)
444 AC_ARG_WITH(build-cppflags,
445 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
446 [BUILD_CPPFLAGS="$withval"])
447 AC_MSG_RESULT($BUILD_CPPFLAGS)
449 AC_MSG_CHECKING(for native build linker-flags)
450 AC_ARG_WITH(build-ldflags,
451 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
452 [BUILD_LDFLAGS="$withval"])
453 AC_MSG_RESULT($BUILD_LDFLAGS)
455 AC_MSG_CHECKING(for native build linker-libraries)
456 AC_ARG_WITH(build-libs,
457 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
458 [BUILD_LIBS="$withval"])
459 AC_MSG_RESULT($BUILD_LIBS)
461 # this assumes we're on Unix.
465 : ${BUILD_CC:='${CC}'}
467 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
468 AC_MSG_ERROR([Cross-build requires two compilers.
469 Use --with-build-cc to specify the native compiler.])
473 : ${BUILD_CC:='${CC}'}
474 : ${BUILD_CPP:='${CPP}'}
475 : ${BUILD_CFLAGS:='${CFLAGS}'}
476 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
477 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
478 : ${BUILD_LIBS:='${LIBS}'}
479 : ${BUILD_EXEEXT:='$x'}
480 : ${BUILD_OBJEXT:='o'}
485 AC_SUBST(BUILD_CFLAGS)
486 AC_SUBST(BUILD_CPPFLAGS)
487 AC_SUBST(BUILD_LDFLAGS)
489 AC_SUBST(BUILD_EXEEXT)
490 AC_SUBST(BUILD_OBJEXT)
492 dnl ---------------------------------------------------------------------------
493 dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
495 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
496 dnl into CC. This will not help with broken scripts that wrap the compiler with
497 dnl options, but eliminates a more common category of user confusion.
498 AC_DEFUN([CF_CC_ENV_FLAGS],
500 # This should have been defined by AC_PROG_CC
503 AC_MSG_CHECKING(\$CC variable)
506 AC_MSG_RESULT(broken)
507 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
509 cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'`
510 CC=`echo "$CC" | sed -e 's/[[ ]].*//'`
511 CF_ADD_CFLAGS($cf_flags)
518 dnl ---------------------------------------------------------------------------
519 dnl CF_CFG_DEFAULTS version: 9 updated: 2013/04/13 18:58:32
521 dnl Determine the default configuration into which we'll install ncurses. This
522 dnl can be overridden by the user's command-line options. There's two items to
524 dnl 1. the prefix (e.g., /usr)
525 dnl 2. the header files (e.g., /usr/include/ncurses)
526 dnl We'll look for a previous installation of ncurses and use the same defaults.
528 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
529 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
530 dnl programs from a vendor's.
531 AC_DEFUN([CF_CFG_DEFAULTS],
533 AC_MSG_CHECKING(for prefix)
534 if test "x$prefix" = "xNONE" ; then
535 case "$cf_cv_system_name" in
536 # non-vendor systems don't have a conflict
537 openbsd*|freebsd*|mirbsd*|linux*|cygwin*|k*bsd*-gnu|mingw*)
540 *) prefix=$ac_default_prefix
544 AC_MSG_RESULT($prefix)
546 if test "x$prefix" = "xNONE" ; then
547 AC_MSG_CHECKING(for default include-directory)
548 test -n "$verbose" && echo 1>&AC_FD_MSG
551 $includedir/ncurses \
553 $prefix/include/ncurses \
555 /usr/local/include/ncurses \
559 cf_dir=`eval echo $cf_symbol`
560 if test -f $cf_dir/curses.h ; then
561 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
562 includedir="$cf_symbol"
563 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
567 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
569 AC_MSG_RESULT($includedir)
572 dnl ---------------------------------------------------------------------------
573 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
575 dnl Check if we're accidentally using a cache from a different machine.
576 dnl Derive the system name, as a check for reusing the autoconf cache.
578 dnl If we've packaged config.guess and config.sub, run that (since it does a
579 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
580 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
581 dnl which is useful in cross-compiles.
583 dnl Note: we would use $ac_config_sub, but that is one of the places where
584 dnl autoconf 2.5x broke compatibility with autoconf 2.13
585 AC_DEFUN([CF_CHECK_CACHE],
587 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
588 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
589 system_name="$host_os"
591 system_name="`(uname -s -r) 2>/dev/null`"
592 if test -z "$system_name" ; then
593 system_name="`(hostname) 2>/dev/null`"
596 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
597 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
599 test -z "$system_name" && system_name="$cf_cv_system_name"
600 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
602 if test ".$system_name" != ".$cf_cv_system_name" ; then
603 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
604 AC_MSG_ERROR("Please remove config.cache and try again.")
607 dnl ---------------------------------------------------------------------------
608 dnl CF_CLANG_COMPILER version: 1 updated: 2012/06/16 14:55:39
609 dnl -----------------
610 dnl Check if the given compiler is really clang. clang's C driver defines
611 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
612 dnl not ignore some gcc options.
614 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
615 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
616 dnl the wrappers for gcc and g++ warnings.
618 dnl $1 = GCC (default) or GXX
619 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
620 dnl $3 = CFLAGS (default) or CXXFLAGS
621 AC_DEFUN([CF_CLANG_COMPILER],[
622 ifelse([$2],,CLANG_COMPILER,[$2])=no
624 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
625 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
626 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
627 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
633 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
634 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
636 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
637 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
640 dnl ---------------------------------------------------------------------------
641 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
643 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
644 dnl variations of ncurses' installs.
646 dnl $1 = ncurses when looking for ncurses, or is empty
647 AC_DEFUN([CF_CURSES_HEADER],[
648 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
649 cf_cv_ncurses_header=none
650 for cf_header in ifelse($1,,,[ \
654 curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
656 AC_TRY_COMPILE([#include <${cf_header}>],
657 [initscr(); tgoto("?", 0,0)],
658 [cf_cv_ncurses_header=$cf_header; break],[])
662 if test "$cf_cv_ncurses_header" = none ; then
663 AC_MSG_ERROR(No curses header-files found)
666 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
667 AC_CHECK_HEADERS($cf_cv_ncurses_header)
669 dnl ---------------------------------------------------------------------------
670 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
672 dnl "dirname" is not portable, so we fake it with a shell script.
673 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
674 dnl ---------------------------------------------------------------------------
675 dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
677 dnl You can always use "make -n" to see the actual options, but it's hard to
678 dnl pick out/analyze warning messages when the compile-line is long.
681 dnl ECHO_LT - symbol to control if libtool is verbose
682 dnl ECHO_LD - symbol to prefix "cc -o" lines
683 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
684 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
685 dnl ECHO_CC - symbol to put before any "cc" line
687 AC_DEFUN([CF_DISABLE_ECHO],[
688 AC_MSG_CHECKING(if you want to see long compiling messages)
690 [ --disable-echo do not display "compiling" commands],
693 ECHO_LD='@echo linking [$]@;'
694 RULE_CC='@echo compiling [$]<'
695 SHOW_CC='@echo compiling [$]@'
704 AC_MSG_RESULT($enableval)
711 dnl ---------------------------------------------------------------------------
712 dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
713 dnl ------------------
714 dnl This is the "--enable-pc-files" option, which is available if there is a
715 dnl pkg-config configuration on the local machine.
716 AC_DEFUN([CF_ENABLE_PC_FILES],[
717 AC_REQUIRE([CF_PKG_CONFIG])
718 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
720 if test "$PKG_CONFIG" != none ; then
721 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
722 AC_ARG_ENABLE(pc-files,
723 [ --enable-pc-files generate and install .pc files for pkg-config],
724 [enable_pc_files=$enableval],
725 [enable_pc_files=no])
726 AC_MSG_RESULT($enable_pc_files)
727 if test "$enable_pc_files" != no
729 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
735 dnl ---------------------------------------------------------------------------
736 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
738 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
739 dnl prefer a standard location, and use -L options only if we do not find the
740 dnl library in the standard library location(s).
741 dnl $1 = library name
742 dnl $2 = library class, usually the same as library name
744 dnl $4 = code fragment to compile/link
745 dnl $5 = corresponding function-name
746 dnl $6 = flag, nonnull if failure should not cause an error-exit
748 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
749 dnl to use a -L option.
750 AC_DEFUN([CF_FIND_LIBRARY],
752 eval 'cf_cv_have_lib_'$1'=no'
755 eval 'cf_cv_have_lib_'$1'=yes',[
757 AC_MSG_CHECKING(for $5 in -l$1)
759 AC_TRY_LINK([$3],[$4],
761 eval 'cf_cv_have_lib_'$1'=yes'
764 CF_LIBRARY_PATH(cf_search,$2)
765 for cf_libdir in $cf_search
767 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
768 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
769 AC_TRY_LINK([$3],[$4],
771 eval 'cf_cv_have_lib_'$1'=yes'
774 LIBS="$cf_save_LIBS"])
778 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
780 if test $cf_found_library = no ; then
781 AC_MSG_ERROR(Cannot link $1 library)
785 dnl ---------------------------------------------------------------------------
786 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
788 dnl Find a library (specifically the linkage used in the code fragment),
789 dnl searching for it if it is not already in the library path.
790 dnl See also CF_ADD_SEARCHPATH.
792 dnl Parameters (4-on are optional):
793 dnl $1 = headers for library entrypoint
794 dnl $2 = code fragment for library entrypoint
795 dnl $3 = the library name without the "-l" option or ".so" suffix.
796 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
797 dnl $5 = action to perform if not successful
798 dnl $6 = module name, if not the same as the library name
799 dnl $7 = extra libraries
801 dnl Sets these variables:
802 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
803 dnl $cf_cv_header_path_$3 - include-directory if needed
804 dnl $cf_cv_library_path_$3 - library-directory if needed
805 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
806 AC_DEFUN([CF_FIND_LINKAGE],[
808 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
809 # will be set on completion of the AC_TRY_LINK below.
810 cf_cv_header_path_$3=
811 cf_cv_library_path_$3=
813 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
817 AC_TRY_LINK([$1],[$2],[
818 cf_cv_find_linkage_$3=yes
819 cf_cv_header_path_$3=/usr/include
820 cf_cv_library_path_$3=/usr/lib
823 LIBS="-l$3 $7 $cf_save_LIBS"
825 AC_TRY_LINK([$1],[$2],[
826 cf_cv_find_linkage_$3=yes
827 cf_cv_header_path_$3=/usr/include
828 cf_cv_library_path_$3=/usr/lib
829 cf_cv_library_file_$3="-l$3"
831 cf_cv_find_linkage_$3=no
834 CF_VERBOSE(find linkage for $3 library)
835 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
837 cf_save_CPPFLAGS="$CPPFLAGS"
838 cf_test_CPPFLAGS="$CPPFLAGS"
840 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
841 for cf_cv_header_path_$3 in $cf_search
843 if test -d $cf_cv_header_path_$3 ; then
844 CF_VERBOSE(... testing $cf_cv_header_path_$3)
845 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
846 AC_TRY_COMPILE([$1],[$2],[
847 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
848 cf_cv_find_linkage_$3=maybe
849 cf_test_CPPFLAGS="$CPPFLAGS"
851 CPPFLAGS="$cf_save_CPPFLAGS"
856 if test "$cf_cv_find_linkage_$3" = maybe ; then
858 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
861 cf_save_LDFLAGS="$LDFLAGS"
864 CPPFLAGS="$cf_test_CPPFLAGS"
865 LIBS="-l$3 $7 $cf_save_LIBS"
866 AC_TRY_LINK([$1],[$2],[
867 CF_VERBOSE(... found $3 library in system)
868 cf_cv_find_linkage_$3=yes])
869 CPPFLAGS="$cf_save_CPPFLAGS"
873 if test "$cf_cv_find_linkage_$3" != yes ; then
874 CF_LIBRARY_PATH(cf_search,$3)
875 for cf_cv_library_path_$3 in $cf_search
877 if test -d $cf_cv_library_path_$3 ; then
878 CF_VERBOSE(... testing $cf_cv_library_path_$3)
879 CPPFLAGS="$cf_test_CPPFLAGS"
880 LIBS="-l$3 $7 $cf_save_LIBS"
881 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
882 AC_TRY_LINK([$1],[$2],[
883 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
884 cf_cv_find_linkage_$3=yes
885 cf_cv_library_file_$3="-l$3"
887 CPPFLAGS="$cf_save_CPPFLAGS"
889 LDFLAGS="$cf_save_LDFLAGS"
893 CPPFLAGS="$cf_save_CPPFLAGS"
894 LDFLAGS="$cf_save_LDFLAGS"
898 cf_cv_find_linkage_$3=no
905 if test "$cf_cv_find_linkage_$3" = yes ; then
907 CF_ADD_INCDIR($cf_cv_header_path_$3)
908 CF_ADD_LIBDIR($cf_cv_library_path_$3)
912 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
915 dnl ---------------------------------------------------------------------------
916 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
917 dnl -----------------
918 dnl make ADAFLAGS consistent with CFLAGS
919 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
920 AC_MSG_CHECKING(optimization options for ADAFLAGS)
928 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
929 CF_ADD_ADAFLAGS($cf_O_flag)
932 AC_MSG_RESULT($ADAFLAGS)
934 dnl ---------------------------------------------------------------------------
935 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
936 dnl -----------------
937 dnl Test for availability of useful gcc __attribute__ directives to quiet
938 dnl compiler warnings. Though useful, not all are supported -- and contrary
939 dnl to documentation, unrecognized directives cause older compilers to barf.
940 AC_DEFUN([CF_GCC_ATTRIBUTES],
944 cat > conftest.i <<EOF
952 #define GCC_NORETURN /* nothing */
955 #define GCC_UNUSED /* nothing */
960 AC_CHECKING([for $CC __attribute__ directives])
961 cat > conftest.$ac_ext <<EOF
962 #line __oline__ "${as_me:-configure}"
963 #include "confdefs.h"
964 #include "conftest.h"
965 #include "conftest.i"
967 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
969 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
972 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
974 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
976 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
977 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
978 extern void foo(void) GCC_NORETURN;
979 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
981 cf_printf_attribute=no
982 cf_scanf_attribute=no
983 for cf_attribute in scanf printf unused noreturn
985 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
986 cf_directive="__attribute__(($cf_attribute))"
987 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
989 case $cf_attribute in #(vi
991 cf_printf_attribute=yes
992 cat >conftest.h <<EOF
993 #define GCC_$cf_ATTRIBUTE 1
997 cf_scanf_attribute=yes
998 cat >conftest.h <<EOF
999 #define GCC_$cf_ATTRIBUTE 1
1003 cat >conftest.h <<EOF
1004 #define GCC_$cf_ATTRIBUTE $cf_directive
1009 if AC_TRY_EVAL(ac_compile); then
1010 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1011 cat conftest.h >>confdefs.h
1012 case $cf_attribute in #(vi
1014 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1017 cf_value='/* nothing */'
1018 if test "$cf_printf_attribute" != no ; then
1019 cf_value='__attribute__((format(printf,fmt,var)))'
1020 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1022 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1025 cf_value='/* nothing */'
1026 if test "$cf_scanf_attribute" != no ; then
1027 cf_value='__attribute__((format(scanf,fmt,var)))'
1028 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1030 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1033 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1039 fgrep define conftest.i >>confdefs.h
1044 dnl ---------------------------------------------------------------------------
1045 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1047 dnl Find version of gcc
1048 AC_DEFUN([CF_GCC_VERSION],[
1049 AC_REQUIRE([AC_PROG_CC])
1051 if test "$GCC" = yes ; then
1052 AC_MSG_CHECKING(version of $CC)
1053 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1054 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1055 AC_MSG_RESULT($GCC_VERSION)
1058 dnl ---------------------------------------------------------------------------
1059 dnl CF_GCC_WARNINGS version: 29 updated: 2012/06/16 14:55:39
1061 dnl Check if the compiler supports useful warning options. There's a few that
1062 dnl we don't use, simply because they're too noisy:
1064 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1065 dnl -Wredundant-decls (system headers make this too noisy)
1066 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1067 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1068 dnl is enabled for ncurses using "--enable-const".
1072 dnl $1 is an optional list of gcc warning flags that a particular
1073 dnl application might want to use, e.g., "no-unused" for
1076 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1078 AC_DEFUN([CF_GCC_WARNINGS],
1080 AC_REQUIRE([CF_GCC_VERSION])
1081 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1082 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1084 cat > conftest.$ac_ext <<EOF
1085 #line __oline__ "${as_me:-configure}"
1086 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1089 if test "$INTEL_COMPILER" = yes
1091 # The "-wdXXX" options suppress warnings:
1092 # remark #1419: external declaration in primary source file
1093 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1094 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1095 # remark #193: zero used for undefined preprocessing identifier
1096 # remark #593: variable "curs_sb_left_arrow" was set but never used
1097 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1098 # remark #869: parameter "tw" was never referenced
1099 # remark #981: operands are evaluated in unspecified order
1100 # warning #279: controlling expression is constant
1102 AC_CHECKING([for $CC warning options])
1103 cf_save_CFLAGS="$CFLAGS"
1104 EXTRA_CFLAGS="-Wall"
1116 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1117 if AC_TRY_EVAL(ac_compile); then
1118 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1119 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1122 CFLAGS="$cf_save_CFLAGS"
1124 elif test "$GCC" = yes
1126 AC_CHECKING([for $CC warning options])
1127 cf_save_CFLAGS="$CFLAGS"
1130 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1131 for cf_opt in W Wall \
1132 Wbad-function-cast \
1136 Wmissing-declarations \
1137 Wmissing-prototypes \
1141 Wstrict-prototypes \
1142 Wundef $cf_warn_CONST $1
1144 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1145 if AC_TRY_EVAL(ac_compile); then
1146 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1147 case $cf_opt in #(vi
1149 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1152 case $GCC_VERSION in
1154 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1158 Wpointer-arith) #(vi
1159 case $GCC_VERSION in
1161 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1166 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1169 CFLAGS="$cf_save_CFLAGS"
1173 AC_SUBST(EXTRA_CFLAGS)
1175 dnl ---------------------------------------------------------------------------
1176 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1177 dnl ----------------
1178 AC_DEFUN([CF_GNAT_GENERICS],
1180 AC_REQUIRE([CF_GNAT_VERSION])
1182 AC_MSG_CHECKING(if GNAT supports generics)
1183 case $cf_gnat_version in #(vi
1184 3.[[1-9]]*|[[4-9]].*) #(vi
1185 cf_gnat_generics=yes
1191 AC_MSG_RESULT($cf_gnat_generics)
1193 if test "$cf_gnat_generics" = yes
1195 cf_compile_generics=generics
1196 cf_generic_objects="\${GENOBJS}"
1198 cf_compile_generics=
1202 AC_SUBST(cf_compile_generics)
1203 AC_SUBST(cf_generic_objects)
1205 dnl ---------------------------------------------------------------------------
1206 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
1207 dnl --------------------
1208 dnl Check if the gnat pragma "Unreferenced" works.
1209 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
1210 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
1211 CF_GNAT_TRY_LINK([procedure conftest;],
1214 procedure conftest is
1216 pragma Unreferenced (test);
1219 Text_IO.Put ("Hello World");
1221 GNAT.OS_Lib.OS_Exit (0);
1223 [cf_cv_pragma_unreferenced=yes],
1224 [cf_cv_pragma_unreferenced=no])])
1226 # if the pragma is supported, use it (needed in the Trace code).
1227 if test $cf_cv_pragma_unreferenced = yes ; then
1232 AC_SUBST(PRAGMA_UNREF)
1234 dnl ---------------------------------------------------------------------------
1235 dnl CF_GNAT_PROJECTS version: 2 updated: 2011/03/23 20:24:41
1236 dnl ----------------
1237 dnl GNAT projects are configured with ".gpr" project files.
1238 dnl GNAT libraries are a further development, using the project feature.
1239 AC_DEFUN([CF_GNAT_PROJECTS],
1241 AC_REQUIRE([CF_GNAT_VERSION])
1243 cf_gnat_libraries=no
1246 AC_MSG_CHECKING(if GNAT supports project files)
1247 case $cf_gnat_version in #(vi
1251 case $cf_cv_system_name in #(vi
1255 mkdir conftest.src conftest.bin conftest.lib
1257 rm -rf conftest* *~conftest*
1258 cat >>library.gpr <<CF_EOF
1260 Kind := External ("LIB_KIND");
1261 for Library_Name use "ConfTest";
1262 for Object_Dir use ".";
1263 for Library_ALI_Dir use External("LIBRARY_DIR");
1264 for Library_Version use External ("SONAME");
1265 for Library_Kind use Kind;
1266 for Library_Dir use External("BUILD_DIR");
1267 Source_Dir := External ("SOURCE_DIR");
1268 for Source_Dirs use (Source_Dir);
1270 for Default_Switches ("Ada") use
1274 "-gnatVa", -- All validity checks
1275 "-gnatwa"); -- Activate all optional errors
1279 cat >>confpackage.ads <<CF_EOF
1280 package ConfPackage is
1284 cat >>confpackage.adb <<CF_EOF
1286 package body ConfPackage is
1287 procedure conftest is
1289 Text_IO.Put ("Hello World");
1294 if ( $cf_ada_make $ADAFLAGS \
1296 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1297 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1298 -XSOURCE_DIR=`pwd` \
1299 -XSONAME=libConfTest.so.1 \
1300 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1301 cf_gnat_projects=yes
1304 if test -f conftest.lib/confpackage.ali
1306 cf_gnat_libraries=yes
1308 rm -rf conftest* *~conftest*
1313 AC_MSG_RESULT($cf_gnat_projects)
1315 if test $cf_gnat_projects = yes
1317 AC_MSG_CHECKING(if GNAT supports libraries)
1318 AC_MSG_RESULT($cf_gnat_libraries)
1321 if test "$cf_gnat_projects" = yes
1323 USE_OLD_MAKERULES="#"
1324 USE_GNAT_PROJECTS=""
1326 USE_OLD_MAKERULES=""
1327 USE_GNAT_PROJECTS="#"
1330 if test "$cf_gnat_libraries" = yes
1332 USE_GNAT_LIBRARIES=""
1334 USE_GNAT_LIBRARIES="#"
1337 AC_SUBST(USE_OLD_MAKERULES)
1338 AC_SUBST(USE_GNAT_PROJECTS)
1339 AC_SUBST(USE_GNAT_LIBRARIES)
1341 dnl ---------------------------------------------------------------------------
1342 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1344 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1345 dnl is noted that gnat may compile a tasking unit even for configurations which
1346 dnl fail at runtime.
1347 AC_DEFUN([CF_GNAT_SIGINT],[
1348 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1349 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1353 pragma Warnings (Off); -- the next pragma exists since 3.11p
1354 pragma Unreserve_All_Interrupts;
1355 pragma Warnings (On);
1357 protected Process is
1359 function Continue return Boolean;
1360 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1362 Done : Boolean := False;
1366 [package body ConfTest is
1367 protected body Process is
1372 function Continue return Boolean is
1378 [cf_cv_gnat_sigint=yes],
1379 [cf_cv_gnat_sigint=no])])
1381 if test $cf_cv_gnat_sigint = yes ; then
1386 AC_SUBST(USE_GNAT_SIGINT)
1388 dnl ---------------------------------------------------------------------------
1389 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1390 dnl ----------------
1391 dnl Verify that a test program compiles/links with GNAT.
1392 dnl $cf_ada_make is set to the program that compiles/links
1393 dnl $ADAFLAGS may be set to the GNAT flags.
1395 dnl $1 is the text of the spec
1396 dnl $2 is the text of the body
1397 dnl $3 is the shell command to execute if successful
1398 dnl $4 is the shell command to execute if not successful
1399 AC_DEFUN([CF_GNAT_TRY_LINK],
1401 rm -rf conftest* *~conftest*
1402 cat >>conftest.ads <<CF_EOF
1405 cat >>conftest.adb <<CF_EOF
1408 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1409 ifelse($3,, :,[ $3])
1413 rm -rf conftest* *~conftest*
1415 dnl ---------------------------------------------------------------------------
1416 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1418 dnl Verify that a test program compiles and runs with GNAT
1419 dnl $cf_ada_make is set to the program that compiles/links
1420 dnl $ADAFLAGS may be set to the GNAT flags.
1422 dnl $1 is the text of the spec
1423 dnl $2 is the text of the body
1424 dnl $3 is the shell command to execute if successful
1425 dnl $4 is the shell command to execute if not successful
1426 AC_DEFUN([CF_GNAT_TRY_RUN],
1428 rm -rf conftest* *~conftest*
1429 cat >>conftest.ads <<CF_EOF
1432 cat >>conftest.adb <<CF_EOF
1435 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1436 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1437 ifelse($3,, :,[ $3])
1444 rm -rf conftest* *~conftest*
1446 dnl ---------------------------------------------------------------------------
1447 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
1449 dnl Verify version of GNAT.
1450 AC_DEFUN([CF_GNAT_VERSION],
1452 AC_MSG_CHECKING(for gnat version)
1453 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1454 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1455 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1456 AC_MSG_RESULT($cf_gnat_version)
1458 case $cf_gnat_version in #(vi
1459 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
1460 cf_cv_prog_gnat_correct=yes
1463 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1464 cf_cv_prog_gnat_correct=no
1468 dnl ---------------------------------------------------------------------------
1469 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1471 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1472 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1473 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1474 dnl since it is interwoven with GNU extensions.
1476 dnl Well, yes we could work around it...
1477 AC_DEFUN([CF_GNU_SOURCE],
1479 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1480 AC_TRY_COMPILE([#include <sys/types.h>],[
1481 #ifndef _XOPEN_SOURCE
1484 [cf_cv_gnu_source=no],
1485 [cf_save="$CPPFLAGS"
1486 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1487 AC_TRY_COMPILE([#include <sys/types.h>],[
1488 #ifdef _XOPEN_SOURCE
1491 [cf_cv_gnu_source=no],
1492 [cf_cv_gnu_source=yes])
1496 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1498 dnl ---------------------------------------------------------------------------
1499 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1501 dnl Construct a search-list of directories for a nonstandard header-file
1504 dnl $1 = the variable to return as result
1505 dnl $2 = the package name
1506 AC_DEFUN([CF_HEADER_PATH],
1510 # collect the current set of include-directories from compiler flags
1511 cf_header_path_list=""
1512 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1513 for cf_header_path in $CPPFLAGS $CFLAGS
1515 case $cf_header_path in #(vi
1517 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1518 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1519 cf_header_path_list="$cf_header_path_list [$]$1"
1525 # add the variations for the package we are looking for
1526 CF_SUBDIR_PATH($1,$2,include)
1528 test "$includedir" != NONE && \
1529 test "$includedir" != "/usr/include" && \
1530 test -d "$includedir" && {
1531 test -d $includedir && $1="[$]$1 $includedir"
1532 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1535 test "$oldincludedir" != NONE && \
1536 test "$oldincludedir" != "/usr/include" && \
1537 test -d "$oldincludedir" && {
1538 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1539 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1542 $1="[$]$1 $cf_header_path_list"
1544 dnl ---------------------------------------------------------------------------
1545 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1547 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1548 AC_DEFUN([CF_HELP_MESSAGE],
1549 [AC_DIVERT_HELP([$1])dnl
1551 dnl ---------------------------------------------------------------------------
1552 dnl CF_INCLUDE_DIRS version: 7 updated: 2012/11/10 19:15:05
1554 dnl Construct the list of include-options according to whether we're building
1555 dnl in the source directory or using '--srcdir=DIR' option. If we're building
1556 dnl with gcc, don't append the includedir if it happens to be /usr/include,
1557 dnl since that usually breaks gcc's shadow-includes.
1558 AC_DEFUN([CF_INCLUDE_DIRS],
1560 if test "$GCC" != yes; then
1561 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1562 elif test "$includedir" != "/usr/include"; then
1563 if test "$includedir" = '${prefix}/include' ; then
1564 if test $prefix != /usr ; then
1565 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1568 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1571 if test "$srcdir" != "."; then
1572 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1574 CPPFLAGS="-I. -I../include $CPPFLAGS"
1577 dnl ---------------------------------------------------------------------------
1578 dnl CF_INTEL_COMPILER version: 5 updated: 2013/02/10 10:41:05
1579 dnl -----------------
1580 dnl Check if the given compiler is really the Intel compiler for Linux. It
1581 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1582 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1584 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1585 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1586 dnl the wrappers for gcc and g++ warnings.
1588 dnl $1 = GCC (default) or GXX
1589 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1590 dnl $3 = CFLAGS (default) or CXXFLAGS
1591 AC_DEFUN([CF_INTEL_COMPILER],[
1592 AC_REQUIRE([AC_CANONICAL_HOST])
1593 ifelse([$2],,INTEL_COMPILER,[$2])=no
1595 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1598 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1599 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1600 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1602 #ifdef __INTEL_COMPILER
1606 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1607 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
1609 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1610 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1615 dnl ---------------------------------------------------------------------------
1616 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1618 dnl Add checks for large file support.
1619 AC_DEFUN([CF_LARGEFILE],[
1620 ifdef([AC_FUNC_FSEEKO],[
1622 if test "$enable_largefile" != no ; then
1625 # Normally we would collect these definitions in the config.h,
1626 # but (like _XOPEN_SOURCE), some environments rely on having these
1627 # defined before any of the system headers are included. Another
1628 # case comes up with C++, e.g., on AIX the compiler compiles the
1629 # header files by themselves before looking at the body files it is
1630 # told to compile. For ncurses, those header files do not include
1632 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1633 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1634 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1636 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1638 #include <sys/types.h>
1641 /* if transitional largefile support is setup, this is true */
1642 extern struct dirent64 * readdir(DIR *);
1643 struct dirent64 *x = readdir((DIR *)0);
1644 struct dirent *y = readdir((DIR *)0);
1647 [cf_cv_struct_dirent64=yes],
1648 [cf_cv_struct_dirent64=no])
1650 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1654 dnl ---------------------------------------------------------------------------
1655 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1657 dnl For the given system and compiler, find the compiler flags to pass to the
1658 dnl loader to use the "rpath" feature.
1659 AC_DEFUN([CF_LD_RPATH_OPT],
1661 AC_REQUIRE([CF_CHECK_CACHE])
1664 AC_MSG_CHECKING(for an rpath option)
1665 case $cf_cv_system_name in #(vi
1667 if test "$GCC" = yes; then
1668 LD_RPATH_OPT="-Wl,-rpath,"
1670 LD_RPATH_OPT="-rpath "
1673 linux*|gnu*|k*bsd*-gnu) #(vi
1674 LD_RPATH_OPT="-Wl,-rpath,"
1676 openbsd[[2-9]].*|mirbsd*) #(vi
1677 LD_RPATH_OPT="-Wl,-rpath,"
1679 dragonfly*|freebsd*) #(vi
1680 LD_RPATH_OPT="-rpath "
1683 LD_RPATH_OPT="-Wl,-rpath,"
1686 LD_RPATH_OPT="-rpath "
1694 AC_MSG_RESULT($LD_RPATH_OPT)
1696 case "x$LD_RPATH_OPT" in #(vi
1698 AC_MSG_CHECKING(if we need a space after rpath option)
1699 cf_save_LIBS="$LIBS"
1700 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1701 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1702 LIBS="$cf_save_LIBS"
1703 AC_MSG_RESULT($cf_rpath_space)
1704 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1708 dnl ---------------------------------------------------------------------------
1709 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1711 dnl Construct a search-list of directories for a nonstandard library-file
1714 dnl $1 = the variable to return as result
1715 dnl $2 = the package name
1716 AC_DEFUN([CF_LIBRARY_PATH],
1719 cf_library_path_list=""
1720 if test -n "${LDFLAGS}${LIBS}" ; then
1721 for cf_library_path in $LDFLAGS $LIBS
1723 case $cf_library_path in #(vi
1725 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1726 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1727 cf_library_path_list="$cf_library_path_list [$]$1"
1733 CF_SUBDIR_PATH($1,$2,lib)
1735 $1="$cf_library_path_list [$]$1"
1737 dnl ---------------------------------------------------------------------------
1738 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1740 dnl Compute the library-prefix for the given host system
1741 dnl $1 = variable to set
1742 define([CF_LIB_PREFIX],
1744 case $cf_cv_system_name in #(vi
1751 ifelse($1,,,[$1=$LIB_PREFIX])
1752 AC_SUBST(LIB_PREFIX)
1754 dnl ---------------------------------------------------------------------------
1755 dnl CF_LIB_SUFFIX version: 19 updated: 2013/06/15 11:58:48
1757 dnl Compute the library file-suffix from the given model name
1759 dnl $2 = variable to set (the nominal library suffix)
1760 dnl $3 = dependency variable to set (actual filename)
1761 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1762 AC_DEFUN([CF_LIB_SUFFIX],
1782 case $cf_cv_system_name in
1787 cygwin*|mingw*) #(vi
1812 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1813 test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1815 dnl ---------------------------------------------------------------------------
1816 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1818 dnl Compute the string to append to -library from the given model name
1820 dnl $2 = variable to set
1821 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1822 AC_DEFUN([CF_LIB_TYPE],
1831 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1833 dnl ---------------------------------------------------------------------------
1834 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1835 dnl ----------------
1836 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1837 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1838 dnl have to provide wrappers for global tables to ensure they're linked
1840 AC_DEFUN([CF_LINK_DATAONLY],
1842 AC_MSG_CHECKING([if data-only library module links])
1843 AC_CACHE_VAL(cf_cv_link_dataonly,[
1845 cat >conftest.$ac_ext <<EOF
1846 #line __oline__ "configure"
1847 int testdata[[3]] = { 123, 456, 789 };
1849 if AC_TRY_EVAL(ac_compile) ; then
1850 mv conftest.o data.o && \
1851 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1853 rm -f conftest.$ac_ext data.o
1854 cat >conftest.$ac_ext <<EOF
1855 #line __oline__ "configure"
1859 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1861 extern int testdata[[3]];
1862 return testdata[[0]] == 123
1863 && testdata[[1]] == 456
1864 && testdata[[2]] == 789;
1868 if AC_TRY_EVAL(ac_compile); then
1869 mv conftest.o func.o && \
1870 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1872 rm -f conftest.$ac_ext func.o
1873 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1875 LIBS="conftest.a $LIBS"
1879 extern int testfunc();
1880 ${cf_cv_main_return:-return} (!testfunc());
1883 [cf_cv_link_dataonly=yes],
1884 [cf_cv_link_dataonly=no],
1885 [cf_cv_link_dataonly=unknown])
1888 AC_MSG_RESULT($cf_cv_link_dataonly)
1890 if test "$cf_cv_link_dataonly" = no ; then
1891 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1896 dnl ---------------------------------------------------------------------------
1897 dnl CF_MAKEFLAGS version: 14 updated: 2011/03/31 19:29:46
1899 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1900 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1901 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1902 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1903 AC_DEFUN([CF_MAKEFLAGS],
1905 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1907 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1909 cat >cf_makeflags.tmp <<CF_EOF
1912 @ echo '.$cf_option'
1914 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1915 case "$cf_result" in
1917 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1918 case "$cf_result" in
1919 .*CC=*) cf_cv_makeflags=
1921 *) cf_cv_makeflags=$cf_option
1927 *) echo "given option \"$cf_option\", no match \"$cf_result\""
1931 rm -f cf_makeflags.tmp
1934 AC_SUBST(cf_cv_makeflags)
1936 dnl ---------------------------------------------------------------------------
1937 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1939 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
1940 dnl a monocase filesystem.
1941 AC_DEFUN([CF_MAKE_TAGS],[
1942 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1944 AC_CHECK_PROGS(CTAGS, exctags ctags)
1945 AC_CHECK_PROGS(ETAGS, exetags etags)
1947 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1949 if test "$cf_cv_mixedcase" = yes ; then
1950 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1955 if test "$MAKE_UPPER_TAGS" = yes ; then
1961 if test "$MAKE_LOWER_TAGS" = yes ; then
1970 AC_SUBST(MAKE_UPPER_TAGS)
1971 AC_SUBST(MAKE_LOWER_TAGS)
1973 dnl ---------------------------------------------------------------------------
1974 dnl CF_MIXEDCASE_FILENAMES version: 4 updated: 2012/10/02 20:55:03
1975 dnl ----------------------
1976 dnl Check if the file-system supports mixed-case filenames. If we're able to
1977 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1978 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1980 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1981 if test "$cross_compiling" = yes ; then
1982 case $target_alias in #(vi
1983 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
1991 rm -f conftest CONFTEST
1993 if test -f CONFTEST ; then
1998 rm -f conftest CONFTEST
2001 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2003 dnl ---------------------------------------------------------------------------
2004 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2006 dnl Check for a working mkstemp. This creates two files, checks that they are
2007 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2008 AC_DEFUN([CF_MKSTEMP],[
2009 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2012 #include <sys/types.h>
2016 #include <sys/stat.h>
2019 char *tmpl = "conftestXXXXXX";
2027 for (n = 0; n < 2; ++n) {
2028 strcpy(name[n], tmpl);
2029 if ((fd = mkstemp(name[n])) >= 0) {
2030 if (!strcmp(name[n], tmpl)
2031 || stat(name[n], &sb) != 0
2032 || (sb.st_mode & S_IFMT) != S_IFREG
2033 || (sb.st_mode & 077) != 0) {
2040 && !strcmp(name[0], name[1]))
2042 ${cf_cv_main_return:-return}(result);
2044 ],[cf_cv_func_mkstemp=yes
2045 ],[cf_cv_func_mkstemp=no
2046 ],[cf_cv_func_mkstemp=maybe])
2048 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2049 AC_CHECK_FUNC(mkstemp)
2051 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2052 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2055 dnl ---------------------------------------------------------------------------
2056 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2058 dnl Write a debug message to config.log, along with the line number in the
2059 dnl configure script.
2060 AC_DEFUN([CF_MSG_LOG],[
2061 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2063 dnl ---------------------------------------------------------------------------
2064 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2065 dnl ----------------
2066 dnl Configure an ncurses add-on, built outside the ncurses tree.
2067 AC_DEFUN([CF_NCURSES_ADDON],[
2069 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2071 AC_MSG_CHECKING(if you want wide-character code)
2072 AC_ARG_ENABLE(widec,
2073 [ --enable-widec compile with wide-char/UTF-8 code],
2074 [with_widec=$enableval],
2076 AC_MSG_RESULT($with_widec)
2077 if test "$with_widec" = yes ; then
2079 CF_NCURSES_CONFIG(ncursesw)
2081 CF_NCURSES_CONFIG(ncurses)
2084 if test "$NCURSES_CONFIG" != none ; then
2086 cf_version=`$NCURSES_CONFIG --version`
2088 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2089 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2090 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2092 # ABI version is not available from headers
2093 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2097 for cf_name in MAJOR MINOR PATCH
2099 cat >conftest.$ac_ext <<CF_EOF
2100 #include <${cf_cv_ncurses_header:-curses.h}>
2101 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2103 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2105 if test -f conftest.out ; then
2106 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2107 eval NCURSES_$cf_name=\"$cf_result\"
2108 # cat conftest.$ac_ext
2113 cf_cv_abi_version=${NCURSES_MAJOR}
2117 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2119 dnl Show the computed version, for logging
2120 cf_cv_timestamp=`date`
2122 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2124 dnl We need these values in the generated headers
2125 AC_SUBST(NCURSES_MAJOR)
2126 AC_SUBST(NCURSES_MINOR)
2127 AC_SUBST(NCURSES_PATCH)
2129 dnl We need these values in the generated makefiles
2130 AC_SUBST(cf_cv_rel_version)
2131 AC_SUBST(cf_cv_abi_version)
2133 dnl FIXME - not needed for Ada95
2134 AC_SUBST(cf_cv_builtin_bool)
2135 AC_SUBST(cf_cv_header_stdbool_h)
2136 AC_SUBST(cf_cv_type_of_bool)dnl
2139 dnl ---------------------------------------------------------------------------
2140 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2141 dnl -------------------
2142 dnl Check if we can compile with ncurses' header file
2143 dnl $1 is the cache variable to set
2144 dnl $2 is the header-file to include
2145 dnl $3 is the root name (ncurses or ncursesw)
2146 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2148 ]ifelse($3,ncursesw,[
2149 #define _XOPEN_SOURCE_EXTENDED
2150 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2151 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2154 #ifdef NCURSES_VERSION
2155 ]ifelse($3,ncursesw,[
2160 printf("%s\n", NCURSES_VERSION);
2172 dnl ---------------------------------------------------------------------------
2173 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2174 dnl -----------------
2175 dnl Tie together the configure-script macros for ncurses.
2176 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2177 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2179 dnl $1 is the root library name (default: "ncurses")
2180 AC_DEFUN([CF_NCURSES_CONFIG],
2182 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2184 echo "Looking for ${cf_ncuconfig_root}-config"
2186 CF_ACVERSION_CHECK(2.52,
2187 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2188 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2190 if test "$NCURSES_CONFIG" != none ; then
2192 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2193 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2195 # even with config script, some packages use no-override for curses.h
2196 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2198 dnl like CF_NCURSES_CPPFLAGS
2199 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2201 dnl like CF_NCURSES_LIBS
2202 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2203 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2205 dnl like CF_NCURSES_VERSION
2206 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2210 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2211 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2215 dnl ---------------------------------------------------------------------------
2216 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2217 dnl -------------------
2218 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2219 dnl the CPPFLAGS variable so we can include its header.
2221 dnl The header files may be installed as either curses.h, or ncurses.h (would
2222 dnl be obsolete, except that some packagers prefer this name to distinguish it
2223 dnl from a "native" curses implementation). If not installed for overwrite,
2224 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2225 dnl /usr/include/ncurses), but someone may have installed overwriting the
2226 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2227 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2230 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2231 dnl is already in the include-path, don't even bother with this, since we cannot
2232 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2234 dnl The optional parameter gives the root name of the library, in case it is
2235 dnl not installed as the default curses library. That is how the
2236 dnl wide-character version of ncurses is installed.
2237 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2238 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2240 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2241 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2243 test -n "$cf_cv_curses_dir" && \
2244 test "$cf_cv_curses_dir" != "no" && { \
2245 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2248 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2249 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2250 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2251 for cf_header in $cf_header_list
2253 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2254 test "$cf_cv_ncurses_h" != no && break
2261 # some applications need this, but should check for NCURSES_VERSION
2262 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2266 dnl ---------------------------------------------------------------------------
2267 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2268 dnl -----------------
2269 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2270 dnl variations of ncurses' installs.
2272 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2273 AC_DEFUN([CF_NCURSES_HEADER],[
2275 if test "$cf_cv_ncurses_h" != no ; then
2276 cf_cv_ncurses_header=$cf_cv_ncurses_h
2279 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2280 test -n "$verbose" && echo
2281 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2282 test -n "$verbose" && echo search path $cf_search
2283 cf_save2_CPPFLAGS="$CPPFLAGS"
2284 for cf_incdir in $cf_search
2286 CF_ADD_INCDIR($cf_incdir)
2291 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2292 if test "$cf_cv_ncurses_h2" != no ; then
2293 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2294 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2297 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2299 CPPFLAGS="$cf_save2_CPPFLAGS"
2300 test "$cf_cv_ncurses_h2" != no && break
2302 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2305 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2306 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2307 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2308 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2310 CF_ADD_INCDIR($cf_1st_incdir)
2314 # Set definitions to allow ifdef'ing for ncurses.h
2316 case $cf_cv_ncurses_header in # (vi
2318 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2322 case $cf_cv_ncurses_header in # (vi
2323 ncurses/curses.h|ncurses/ncurses.h)
2324 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2326 ncursesw/curses.h|ncursesw/ncurses.h)
2327 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2332 dnl ---------------------------------------------------------------------------
2333 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2335 dnl Look for the ncurses library. This is a little complicated on Linux,
2336 dnl because it may be linked with the gpm (general purpose mouse) library.
2337 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2338 dnl unusable with ncurses. However, we don't want to link with gpm unless
2339 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2340 dnl and the linker will record a dependency.
2342 dnl The optional parameter gives the root name of the library, in case it is
2343 dnl not installed as the default curses library. That is how the
2344 dnl wide-character version of ncurses is installed.
2345 AC_DEFUN([CF_NCURSES_LIBS],
2346 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2348 cf_nculib_root=ifelse($1,,ncurses,$1)
2349 # This works, except for the special case where we find gpm, but
2350 # ncurses is in a nonstandard location via $LIBS, and we really want
2353 cf_ncurses_SAVE="$LIBS"
2354 AC_CHECK_LIB(gpm,Gpm_Open,
2355 [AC_CHECK_LIB(gpm,initscr,
2356 [LIBS="$cf_ncurses_SAVE"],
2357 [cf_ncurses_LIBS="-lgpm"])])
2359 case $host_os in #(vi
2361 # This is only necessary if you are linking against an obsolete
2362 # version of ncurses (but it should do no harm, since it's static).
2363 if test "$cf_nculib_root" = ncurses ; then
2364 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2369 CF_ADD_LIBS($cf_ncurses_LIBS)
2371 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2373 CF_ADD_LIBS(-l$cf_nculib_root)
2375 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2376 [#include <${cf_cv_ncurses_header:-curses.h}>],
2381 if test -n "$cf_ncurses_LIBS" ; then
2382 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2383 cf_ncurses_SAVE="$LIBS"
2384 for p in $cf_ncurses_LIBS ; do
2385 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2386 if test "$q" != "$LIBS" ; then
2390 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2391 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2392 [AC_MSG_RESULT(yes)],
2394 LIBS="$cf_ncurses_SAVE"])
2397 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2398 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2400 dnl ---------------------------------------------------------------------------
2401 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2402 dnl ------------------
2403 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2404 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2405 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2406 AC_DEFUN([CF_NCURSES_VERSION],
2408 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2409 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2410 cf_cv_ncurses_version=no
2414 #include <${cf_cv_ncurses_header:-curses.h}>
2418 FILE *fp = fopen("$cf_tempfile", "w");
2419 #ifdef NCURSES_VERSION
2420 # ifdef NCURSES_VERSION_PATCH
2421 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2423 fprintf(fp, "%s\n", NCURSES_VERSION);
2427 fprintf(fp, "old\n");
2432 ${cf_cv_main_return:-return}(0);
2434 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2436 # This will not work if the preprocessor splits the line after the
2437 # Autoconf token. The 'unproto' program does that.
2438 cat > conftest.$ac_ext <<EOF
2439 #include <${cf_cv_ncurses_header:-curses.h}>
2441 #ifdef NCURSES_VERSION
2442 Autoconf NCURSES_VERSION
2450 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2452 if test -f conftest.out ; then
2453 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2454 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2460 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2462 dnl ---------------------------------------------------------------------------
2463 dnl CF_OBJ_SUBDIR version: 4 updated: 2002/02/23 20:38:31
2465 dnl Compute the object-directory name from the given model name
2466 AC_DEFUN([CF_OBJ_SUBDIR],
2469 libtool) $2='obj_lo' ;;
2470 normal) $2='objects' ;;
2471 debug) $2='obj_g' ;;
2472 profile) $2='obj_p' ;;
2474 case $cf_cv_system_name in #(vi
2482 dnl ---------------------------------------------------------------------------
2483 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2485 dnl Provide a value for the $PATH and similar separator (or amend the value
2486 dnl as provided in autoconf 2.5x).
2487 AC_DEFUN([CF_PATHSEP],
2489 AC_MSG_CHECKING(for PATH separator)
2490 case $cf_cv_system_name in
2491 os2*) PATH_SEPARATOR=';' ;;
2492 *) ${PATH_SEPARATOR:=':'} ;;
2494 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2495 AC_SUBST(PATH_SEPARATOR)
2496 AC_MSG_RESULT($PATH_SEPARATOR)
2498 dnl ---------------------------------------------------------------------------
2499 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2501 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2502 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2503 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2504 dnl delayed evaluation of those symbols.
2505 AC_DEFUN([CF_PATH_SYNTAX],[
2506 if test "x$prefix" != xNONE; then
2507 cf_path_syntax="$prefix"
2509 cf_path_syntax="$ac_default_prefix"
2512 case ".[$]$1" in #(vi
2513 .\[$]\(*\)*|.\'*\'*) #(vi
2517 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2519 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2521 case ".[$]$1" in #(vi
2523 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2528 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2531 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2535 dnl ---------------------------------------------------------------------------
2536 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2538 dnl Check for the package-config program, unless disabled by command-line.
2539 AC_DEFUN([CF_PKG_CONFIG],
2541 AC_MSG_CHECKING(if you want to use pkg-config)
2542 AC_ARG_WITH(pkg-config,
2543 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2544 [cf_pkg_config=$withval],
2545 [cf_pkg_config=yes])
2546 AC_MSG_RESULT($cf_pkg_config)
2548 case $cf_pkg_config in #(vi
2553 CF_ACVERSION_CHECK(2.52,
2554 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2555 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2562 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2563 if test "$PKG_CONFIG" != none ; then
2564 CF_PATH_SYNTAX(PKG_CONFIG)
2567 AC_SUBST(PKG_CONFIG)
2569 dnl ---------------------------------------------------------------------------
2570 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2571 dnl -----------------
2572 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2574 dnl POSIX.1-1990 _POSIX_SOURCE
2575 dnl POSIX.1-1990 and _POSIX_SOURCE and
2576 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2578 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2579 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2580 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2583 dnl $1 is the nominal value for _POSIX_C_SOURCE
2584 AC_DEFUN([CF_POSIX_C_SOURCE],
2586 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2588 cf_save_CFLAGS="$CFLAGS"
2589 cf_save_CPPFLAGS="$CPPFLAGS"
2591 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2592 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2594 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2595 CF_MSG_LOG(if the symbol is already defined go no further)
2596 AC_TRY_COMPILE([#include <sys/types.h>],[
2597 #ifndef _POSIX_C_SOURCE
2600 [cf_cv_posix_c_source=no],
2601 [cf_want_posix_source=no
2602 case .$cf_POSIX_C_SOURCE in #(vi
2604 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2607 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2608 cf_want_posix_source=yes
2611 cf_want_posix_source=yes
2614 if test "$cf_want_posix_source" = yes ; then
2615 AC_TRY_COMPILE([#include <sys/types.h>],[
2616 #ifdef _POSIX_SOURCE
2619 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2621 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2622 CFLAGS="$cf_trim_CFLAGS"
2623 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2624 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2625 AC_TRY_COMPILE([#include <sys/types.h>],[
2626 #ifndef _POSIX_C_SOURCE
2629 [cf_cv_posix_c_source=no])
2630 CFLAGS="$cf_save_CFLAGS"
2631 CPPFLAGS="$cf_save_CPPFLAGS"
2635 if test "$cf_cv_posix_c_source" != no ; then
2636 CFLAGS="$cf_trim_CFLAGS"
2637 CPPFLAGS="$cf_trim_CPPFLAGS"
2638 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2642 dnl ---------------------------------------------------------------------------
2643 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2645 dnl Check for archiver "ar".
2646 AC_DEFUN([CF_PROG_AR],[
2647 AC_CHECK_TOOL(AR, ar, ar)
2649 dnl ---------------------------------------------------------------------------
2650 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2652 dnl Check for awk, ensure that the check found something.
2653 AC_DEFUN([CF_PROG_AWK],
2656 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2658 dnl ---------------------------------------------------------------------------
2659 dnl CF_PROG_CC version: 3 updated: 2012/10/06 15:31:55
2661 dnl standard check for CC, plus followup sanity checks
2662 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2663 AC_DEFUN([CF_PROG_CC],[
2664 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2666 CF_ACVERSION_CHECK(2.52,
2671 dnl ---------------------------------------------------------------------------
2672 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2674 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2675 dnl the output file can be renamed, and allows for a shell variable that can
2676 dnl be used later. The parameter is either CC or CXX. The result is the
2678 dnl $cf_cv_prog_CC_c_o
2679 dnl $cf_cv_prog_CXX_c_o
2680 AC_DEFUN([CF_PROG_CC_C_O],
2681 [AC_REQUIRE([AC_PROG_CC])dnl
2682 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2683 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2685 cat > conftest.$ac_ext <<CF_EOF
2689 ${cf_cv_main_return:-return}(0);
2692 # We do the test twice because some compilers refuse to overwrite an
2693 # existing .o file with -o, though they will create one.
2694 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2695 if AC_TRY_EVAL(ac_try) &&
2696 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2698 eval cf_cv_prog_$1_c_o=yes
2700 eval cf_cv_prog_$1_c_o=no
2704 if test $cf_cv_prog_$1_c_o = yes; then
2705 AC_MSG_RESULT([yes])
2710 dnl ---------------------------------------------------------------------------
2711 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2713 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2714 dnl This macro adds a check to ensure the script found something.
2715 AC_DEFUN([CF_PROG_EGREP],
2716 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2717 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2718 then ac_cv_prog_egrep='grep -E'
2719 else ac_cv_prog_egrep='egrep'
2721 EGREP=$ac_cv_prog_egrep
2723 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2725 dnl ---------------------------------------------------------------------------
2726 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2728 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2729 AC_DEFUN([CF_PROG_EXT],
2731 AC_REQUIRE([CF_CHECK_CACHE])
2732 case $cf_cv_system_name in
2734 CFLAGS="$CFLAGS -Zmt"
2735 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2736 CXXFLAGS="$CXXFLAGS -Zmt"
2737 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2738 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2748 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2750 dnl ---------------------------------------------------------------------------
2751 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2753 dnl Check for gnatmake, ensure that it is complete.
2754 AC_DEFUN([CF_PROG_GNAT],[
2755 cf_ada_make=gnatmake
2756 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2757 if test "$ac_cv_prog_gnat_exists" = no; then
2759 cf_cv_prog_gnat_correct=no
2762 AC_CHECK_PROG(M4_exists, m4, yes, no)
2763 if test "$ac_cv_prog_M4_exists" = no; then
2764 cf_cv_prog_gnat_correct=no
2765 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2767 if test "$cf_cv_prog_gnat_correct" = yes; then
2768 AC_MSG_CHECKING(if GNAT works)
2769 CF_GNAT_TRY_RUN([procedure conftest;],
2772 procedure conftest is
2774 Text_IO.Put ("Hello World");
2776 GNAT.OS_Lib.OS_Exit (0);
2777 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2778 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2782 AC_SUBST(cf_ada_make)
2784 dnl ---------------------------------------------------------------------------
2785 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2787 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2788 dnl option if it is supported.
2789 AC_DEFUN([CF_PROG_LN_S],[
2791 AC_MSG_CHECKING(if $LN_S -f options work)
2793 rm -f conf$$.src conf$$dst
2795 echo first >conf$$.src
2796 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2801 rm -f conf$$.dst conf$$src
2802 AC_MSG_RESULT($cf_prog_ln_sf)
2804 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2806 dnl ---------------------------------------------------------------------------
2807 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2808 dnl ----------------
2809 dnl Remove all -U and -D options that refer to the given symbol from a list
2810 dnl of C compiler options. This works around the problem that not all
2811 dnl compilers process -U and -D options from left-to-right, so a -U option
2812 dnl cannot be used to cancel the effect of a preceding -D option.
2814 dnl $1 = target (which could be the same as the source variable)
2815 dnl $2 = source (including '$')
2816 dnl $3 = symbol to remove
2817 define([CF_REMOVE_DEFINE],
2820 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2821 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2823 dnl ---------------------------------------------------------------------------
2824 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2826 dnl Remove the given library from the symbol
2828 dnl $1 = target (which could be the same as the source variable)
2829 dnl $2 = source (including '$')
2830 dnl $3 = library to remove
2831 define([CF_REMOVE_LIB],
2833 # remove $3 library from $2
2834 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2836 dnl ---------------------------------------------------------------------------
2837 dnl CF_SHARED_OPTS version: 73 updated: 2013/06/15 12:17:19
2840 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2843 dnl Note: ${LOCAL_LDFLAGS} is used to link executables that will run within the
2844 dnl build-tree, i.e., by making use of the libraries that are compiled in ../lib
2845 dnl We avoid compiling-in a ../lib path for the shared library since that can
2846 dnl lead to unexpected results at runtime.
2847 dnl ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared libraries
2848 dnl are compiled in ../../lib
2850 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2851 dnl to install symbolic links to the rel/abi versions of shared libraries.
2853 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2854 dnl version when making symbolic links.
2856 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2857 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2858 dnl (ex: libncurses.so.<ver>).
2860 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2861 AC_DEFUN([CF_SHARED_OPTS],
2863 AC_REQUIRE([CF_LD_RPATH_OPT])
2867 INSTALL_LIB="-m 644"
2869 cf_cv_do_symlinks=no
2871 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2873 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2874 AC_ARG_WITH(shlib-version,
2875 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2876 [test -z "$withval" && withval=auto
2877 case $withval in #(vi
2879 cf_cv_shlib_version=auto
2881 rel|abi|auto|no) #(vi
2882 cf_cv_shlib_version=$withval
2885 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2888 ],[cf_cv_shlib_version=auto])
2889 AC_MSG_RESULT($cf_cv_shlib_version)
2894 # Some less-capable ports of gcc support only -fpic
2896 if test "$GCC" = yes
2898 AC_MSG_CHECKING(which $CC option to use)
2899 cf_save_CFLAGS="$CFLAGS"
2900 for CC_SHARED_OPTS in -fPIC -fpic ''
2902 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2903 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2905 AC_MSG_RESULT($CC_SHARED_OPTS)
2906 CFLAGS="$cf_save_CFLAGS"
2909 cf_cv_shlib_version_infix=no
2911 case $cf_cv_system_name in #(vi
2912 aix4.[3-9]*|aix[[5-7]]*) #(vi
2913 if test "$GCC" = yes; then
2915 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2917 # CC_SHARED_OPTS='-qpic=large -G'
2918 # perhaps "-bM:SRE -bnoentry -bexpall"
2919 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2923 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2927 MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2928 cf_cv_shlib_version=cygdll
2929 cf_cv_shlib_version_infix=cygdll
2930 cat >mk_shared_lib.sh <<-CF_EOF
2933 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2936 Linking shared library
2937 ** SHARED_LIB \[$]SHARED_LIB
2938 ** IMPORT_LIB \[$]IMPORT_LIB
2940 exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
2942 chmod +x mk_shared_lib.sh
2945 cf_try_cflags="no-cpp-precomp"
2946 CC_SHARED_OPTS="-dynamic"
2947 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2948 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2949 cf_cv_shlib_version_infix=yes
2950 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
2951 cf_save_LDFLAGS=$LDFLAGS
2952 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2953 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
2954 LDFLAGS=$cf_save_LDFLAGS])
2955 if test $cf_cv_ldflags_search_paths_first = yes; then
2956 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2960 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
2961 if test "$GCC" != yes; then
2964 MK_SHARED_LIB='${LD} -b -o $[@]'
2965 INSTALL_LIB="-m 555"
2968 # (tested with gcc 2.7.2 -- I don't have c89)
2969 if test "$GCC" = yes; then
2970 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
2973 LD_SHARED_OPTS='-Wl,+b,${libdir}'
2975 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
2976 # HP-UX shared libraries must be executable, and should be
2977 # readonly to exploit a quirk in the memory manager.
2978 INSTALL_LIB="-m 555"
2981 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
2982 if test "$cf_cv_shlib_version" = rel; then
2983 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
2985 cf_shared_soname='`basename $@`'
2988 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
2991 if test "$cf_cv_enable_rpath" = yes ; then
2992 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
2994 # tested with IRIX 5.2 and 'cc'.
2995 if test "$GCC" != yes; then
2996 CC_SHARED_OPTS='-KPIC'
2997 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
2999 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3001 cf_cv_rm_so_locs=yes
3003 linux*|gnu*|k*bsd*-gnu) #(vi
3004 if test "$DFT_LWR_MODEL" = "shared" ; then
3005 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3006 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3008 if test "$cf_cv_enable_rpath" = yes ; then
3009 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3012 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3015 cf_cv_shlib_version=mingw
3016 cf_cv_shlib_version_infix=mingw
3018 MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3019 #MK_SHARED_LIB='${CC} ${CFLAGS} -mdll -Wl,-soname,'$cf_cv_shared_soname',-stats -o $[@]'
3020 #MK_SHARED_LIB='${DLLTOOL} --export-all-symbols --output-exp --output-lib $[@]'
3021 cat >mk_shared_lib.sh <<-CF_EOF
3024 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3027 Linking shared library
3028 ** SHARED_LIB \[$]SHARED_LIB
3029 ** IMPORT_LIB \[$]IMPORT_LIB
3031 exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
3033 chmod +x mk_shared_lib.sh
3035 openbsd[[2-9]].*|mirbsd*) #(vi
3036 if test "$DFT_LWR_MODEL" = "shared" ; then
3037 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3038 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3040 if test "$cf_cv_enable_rpath" = yes ; then
3041 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3043 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3045 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3047 nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3048 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3049 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3050 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3052 dragonfly*|freebsd*) #(vi
3053 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3054 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3055 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3056 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3057 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3060 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3063 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3064 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3065 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3066 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3067 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3068 if test "$cf_cv_shlib_version" = auto; then
3069 if test -f /usr/libexec/ld.elf_so; then
3070 cf_cv_shlib_version=abi
3072 cf_cv_shlib_version=rel
3076 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3078 MK_SHARED_LIB='${LD} -shared -Bshareable -o $[@]'
3082 # tested with OSF/1 V3.2 and 'cc'
3083 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3084 # link with shared libs).
3085 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3086 case $host_os in #(vi
3088 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3091 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3092 if test "$DFT_LWR_MODEL" = "shared" ; then
3093 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3094 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3096 cf_cv_rm_so_locs=yes
3098 sco3.2v5*) # (also uw2* and UW7: hops 13-Apr-98
3099 # tested with osr5.0.5
3100 if test "$GCC" != yes; then
3101 CC_SHARED_OPTS='-belf -KPIC'
3103 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3104 if test "$cf_cv_enable_rpath" = yes ; then
3105 # only way is to set LD_RUN_PATH but no switch for it
3108 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3109 LINK_PROGS='LD_RUN_PATH=${libdir}'
3110 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3113 # tested with SunOS 4.1.1 and gcc 2.7.0
3114 if test "$GCC" != yes; then
3115 CC_SHARED_OPTS='-KPIC'
3117 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3118 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3121 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3122 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3123 if test "$DFT_LWR_MODEL" = "shared" ; then
3124 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3125 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3127 if test "$cf_cv_enable_rpath" = yes ; then
3128 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3131 if test "$GCC" != yes; then
3132 cf_save_CFLAGS="$CFLAGS"
3133 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3135 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3136 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3138 CFLAGS="$cf_save_CFLAGS"
3139 CC_SHARED_OPTS=$cf_shared_opts
3140 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3142 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3145 sysv5uw7*|unix_sv*) #(vi
3146 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3147 if test "$GCC" != yes; then
3148 CC_SHARED_OPTS='-KPIC'
3150 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3153 CC_SHARED_OPTS='unknown'
3154 MK_SHARED_LIB='echo unknown'
3158 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3159 case "$cf_cv_shlib_version" in #(vi
3161 case "$MK_SHARED_LIB" in #(vi
3163 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3166 AC_MSG_WARN(ignored --with-shlib-version)
3172 if test -n "$cf_try_cflags"
3174 cat > conftest.$ac_ext <<EOF
3175 #line __oline__ "${as_me:-configure}"
3177 int main(int argc, char *argv[[]])
3180 return (argv[[argc-1]] == 0) ;
3183 cf_save_CFLAGS="$CFLAGS"
3184 for cf_opt in $cf_try_cflags
3186 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3187 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3188 if AC_TRY_EVAL(ac_compile); then
3190 cf_save_CFLAGS="$CFLAGS"
3195 CFLAGS="$cf_save_CFLAGS"
3199 # RPATH_LIST is a colon-separated list of directories
3200 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3201 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3203 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3204 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3206 AC_SUBST(CC_SHARED_OPTS)
3207 AC_SUBST(LD_RPATH_OPT)
3208 AC_SUBST(LD_SHARED_OPTS)
3209 AC_SUBST(MK_SHARED_LIB)
3210 AC_SUBST(LINK_PROGS)
3211 AC_SUBST(LINK_TESTS)
3212 AC_SUBST(EXTRA_LDFLAGS)
3213 AC_SUBST(LOCAL_LDFLAGS)
3214 AC_SUBST(LOCAL_LDFLAGS2)
3215 AC_SUBST(INSTALL_LIB)
3216 AC_SUBST(RPATH_LIST)
3218 dnl ---------------------------------------------------------------------------
3219 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3220 dnl ----------------
3221 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3222 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3225 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3226 dnl If missing, use "rel".
3227 define([CF_SHARED_SONAME],
3229 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3230 if test "$cf_cv_shlib_version" = rel; then
3231 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3233 cf_cv_shared_soname='`basename $[@]`'
3236 dnl ---------------------------------------------------------------------------
3237 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3239 dnl Remove "-g" option from the compiler options
3240 AC_DEFUN([CF_STRIP_G_OPT],
3241 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3242 dnl ---------------------------------------------------------------------------
3243 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3245 dnl Construct a search-list for a nonstandard header/lib-file
3246 dnl $1 = the variable to return as result
3247 dnl $2 = the package name
3248 dnl $3 = the subdirectory, e.g., bin, include or lib
3249 AC_DEFUN([CF_SUBDIR_PATH],
3253 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3254 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3255 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3256 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3257 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3259 dnl ---------------------------------------------------------------------------
3260 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3262 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3263 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3264 dnl but some packagers change this, breaking various applications.
3265 AC_DEFUN([CF_TERM_HEADER],[
3266 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3267 case ${cf_cv_ncurses_header} in #(vi
3268 */ncurses.h|*/ncursesw.h) #(vi
3269 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3272 cf_term_header=term.h
3276 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3278 AC_TRY_COMPILE([#include <stdio.h>
3279 #include <${cf_cv_ncurses_header:-curses.h}>
3281 ],[int x = auto_left_margin],[
3282 cf_cv_term_header="$cf_test"],[
3283 cf_cv_term_header=unknown
3285 test "$cf_cv_term_header" != unknown && break
3289 # Set definitions to allow ifdef'ing to accommodate subdirectories
3291 case $cf_cv_term_header in # (vi
3293 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3297 case $cf_cv_term_header in # (vi
3298 ncurses/term.h) #(vi
3299 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3302 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3306 dnl ---------------------------------------------------------------------------
3307 dnl CF_TOP_BUILDDIR version: 1 updated: 2006/10/15 16:33:23
3309 dnl Define a top_builddir symbol, for applications that need an absolute path.
3310 AC_DEFUN([CF_TOP_BUILDDIR],
3313 AC_SUBST(top_builddir)
3315 dnl ---------------------------------------------------------------------------
3316 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3317 dnl -------------------
3318 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3319 dnl can define it successfully.
3320 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3321 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3325 #include <sys/types.h>
3327 #ifndef _XOPEN_SOURCE
3330 [cf_cv_xopen_source=no],
3331 [cf_save="$CPPFLAGS"
3332 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3336 #include <sys/types.h>
3338 #ifdef _XOPEN_SOURCE
3341 [cf_cv_xopen_source=no],
3342 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3347 if test "$cf_cv_xopen_source" != no ; then
3348 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3349 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3350 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3351 CF_ADD_CFLAGS($cf_temp_xopen_source)
3354 dnl ---------------------------------------------------------------------------
3355 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3357 dnl Make an uppercase version of a variable
3358 dnl $1=uppercase($2)
3359 AC_DEFUN([CF_UPPER],
3361 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3363 dnl ---------------------------------------------------------------------------
3364 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3366 dnl Check for multibyte support, and if not found, utf8 compatibility library
3367 AC_DEFUN([CF_UTF8_LIB],
3369 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3370 cf_save_LIBS="$LIBS"
3372 #include <stdlib.h>],[putwc(0,0);],
3373 [cf_cv_utf8_lib=yes],
3375 #include <libutf8.h>],[putwc(0,0);],utf8,
3376 [cf_cv_utf8_lib=add-on],
3377 [cf_cv_utf8_lib=no])
3380 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3382 if test "$cf_cv_utf8_lib" = "add-on" ; then
3383 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3384 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3385 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3386 CF_ADD_LIBS($cf_cv_library_file_utf8)
3389 dnl ---------------------------------------------------------------------------
3390 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3392 dnl Use AC_VERBOSE w/o the warnings
3393 AC_DEFUN([CF_VERBOSE],
3394 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3397 dnl ---------------------------------------------------------------------------
3398 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3400 dnl Check for compiler-support for weak symbols.
3401 dnl This works with "recent" gcc.
3402 AC_DEFUN([CF_WEAK_SYMBOLS],[
3403 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3406 #include <stdio.h>],
3408 #if defined(__GNUC__)
3409 # if defined __USE_ISOC99
3410 # define _cat_pragma(exp) _Pragma(#exp)
3411 # define _weak_pragma(exp) _cat_pragma(weak name)
3413 # define _weak_pragma(exp)
3415 # define _declare(name) __extension__ extern __typeof__(name) name
3416 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3420 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3423 dnl ---------------------------------------------------------------------------
3424 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3425 dnl --------------------
3426 dnl Command-line option to specify the Ada95 compiler.
3427 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3428 AC_MSG_CHECKING(for ada-compiler)
3429 AC_ARG_WITH(ada-compiler,
3430 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3431 [cf_ada_compiler=$withval],
3432 [cf_ada_compiler=gnatmake])
3433 AC_SUBST(cf_ada_compiler)
3434 AC_MSG_RESULT($cf_ada_compiler)
3436 dnl ---------------------------------------------------------------------------
3437 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3438 dnl -------------------
3439 dnl Command-line option to specify where Ada includes will install.
3440 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3441 AC_MSG_CHECKING(for ada-include)
3442 CF_WITH_PATH(ada-include,
3443 [ --with-ada-include=DIR Ada includes are in DIR],
3445 PREFIX/share/ada/adainclude,
3446 [$]prefix/share/ada/adainclude)
3447 AC_SUBST(ADA_INCLUDE)
3448 AC_MSG_RESULT($ADA_INCLUDE)
3450 dnl ---------------------------------------------------------------------------
3451 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3452 dnl -------------------
3453 dnl Command-line option to specify where Ada objects will install.
3454 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3455 AC_MSG_CHECKING(for ada-objects)
3456 CF_WITH_PATH(ada-objects,
3457 [ --with-ada-objects=DIR Ada objects are in DIR],
3459 PREFIX/lib/ada/adalib,
3460 [$]prefix/lib/ada/adalib)
3461 AC_SUBST(ADA_OBJECTS)
3462 AC_MSG_RESULT($ADA_OBJECTS)
3464 dnl ---------------------------------------------------------------------------
3465 dnl CF_WITH_ADA_SHAREDLIB version: 2 updated: 2010/06/26 17:35:58
3466 dnl ---------------------
3467 dnl Command-line option to specify if an Ada95 shared-library should be built,
3468 dnl and optionally what its soname should be.
3469 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3470 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3471 AC_ARG_WITH(ada-sharedlib,
3472 [ --with-ada-sharedlib=XX build Ada95 shared-library],
3473 [with_ada_sharedlib=$withval],
3474 [with_ada_sharedlib=no])
3475 AC_MSG_RESULT($with_ada_sharedlib)
3477 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3478 MAKE_ADA_SHAREDLIB="#"
3480 if test "x$with_ada_sharedlib" != xno
3483 if test "x$with_ada_sharedlib" != xyes
3485 ADA_SHAREDLIB="$with_ada_sharedlib"
3489 AC_SUBST(ADA_SHAREDLIB)
3490 AC_SUBST(MAKE_ADA_SHAREDLIB)
3492 dnl ---------------------------------------------------------------------------
3493 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3494 dnl ------------------
3495 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3497 AC_DEFUN([CF_WITH_CURSES_DIR],[
3499 AC_MSG_CHECKING(for specific curses-directory)
3500 AC_ARG_WITH(curses-dir,
3501 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3502 [cf_cv_curses_dir=$withval],
3503 [cf_cv_curses_dir=no])
3504 AC_MSG_RESULT($cf_cv_curses_dir)
3506 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3508 CF_PATH_SYNTAX(withval)
3509 if test -d "$cf_cv_curses_dir"
3511 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3512 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3516 dnl ---------------------------------------------------------------------------
3517 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3518 dnl ------------------
3519 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3520 dnl "lib" prefix, e.g., because it used the dll naming convention.
3522 dnl $1 = variable to set
3523 AC_DEFUN([CF_WITH_LIB_PREFIX],
3525 AC_MSG_CHECKING(if you want to have a library-prefix)
3526 AC_ARG_WITH(lib-prefix,
3527 [ --with-lib-prefix override library-prefix],
3528 [with_lib_prefix=$withval],
3529 [with_lib_prefix=auto])
3530 AC_MSG_RESULT($with_lib_prefix)
3532 if test $with_lib_prefix = auto
3535 elif test $with_lib_prefix = no
3539 LIB_PREFIX=$with_lib_prefix
3542 dnl ---------------------------------------------------------------------------
3543 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3545 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3546 dnl defaulting to yes/no.
3548 dnl $1 = option name
3550 dnl $3 = environment variable to set
3551 dnl $4 = default value, shown in the help-message, must be a constant
3552 dnl $5 = default value, if it's an expression & cannot be in the help-message
3554 AC_DEFUN([CF_WITH_PATH],
3555 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3556 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3557 if ifelse([$5],,true,[test -n "$5"]) ; then
3558 CF_PATH_SYNTAX(withval)
3563 dnl ---------------------------------------------------------------------------
3564 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
3565 dnl -------------------------
3566 dnl Allow the choice of the pkg-config library directory to be overridden.
3567 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3568 if test "$PKG_CONFIG" != none ; then
3569 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3570 AC_ARG_WITH(pkg-config-libdir,
3571 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3572 [PKG_CONFIG_LIBDIR=$withval],
3573 [PKG_CONFIG_LIBDIR=yes])
3575 case x$PKG_CONFIG_LIBDIR in #(vi
3579 # look for the library directory using the same prefix as the executable
3580 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3581 case x`(arch) 2>/dev/null` in #(vi
3583 for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3585 if test -d $cf_config/pkgconfig
3587 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3593 PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3601 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3604 AC_SUBST(PKG_CONFIG_LIBDIR)
3606 dnl ---------------------------------------------------------------------------
3607 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3609 dnl Check for POSIX thread library.
3610 AC_DEFUN([CF_WITH_PTHREAD],
3612 AC_MSG_CHECKING(if you want to link with the pthread library)
3613 AC_ARG_WITH(pthread,
3614 [ --with-pthread use POSIX thread library],
3615 [with_pthread=$withval],
3617 AC_MSG_RESULT($with_pthread)
3619 if test "$with_pthread" != no ; then
3620 AC_CHECK_HEADER(pthread.h,[
3621 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3623 for cf_lib_pthread in pthread c_r
3625 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3626 cf_save_LIBS="$LIBS"
3627 CF_ADD_LIB($cf_lib_pthread)
3629 #include <pthread.h>
3631 int rc = pthread_create(0,0,0,0);
3632 int r2 = pthread_mutexattr_settype(0, 0);
3633 ],[with_pthread=yes],[with_pthread=no])
3634 LIBS="$cf_save_LIBS"
3635 AC_MSG_RESULT($with_pthread)
3636 test "$with_pthread" = yes && break
3639 if test "$with_pthread" = yes ; then
3640 CF_ADD_LIB($cf_lib_pthread)
3641 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3643 AC_MSG_ERROR(Cannot link with pthread library)
3648 dnl ---------------------------------------------------------------------------
3649 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3651 dnl For testing, override the derived host system-type which is used to decide
3652 dnl things such as the linker commands used to build shared libraries. This is
3653 dnl normally chosen automatically based on the type of system which you are
3654 dnl building on. We use it for testing the configure script.
3656 dnl This is different from the --host option: it is used only for testing parts
3657 dnl of the configure script which would not be reachable with --host since that
3658 dnl relies on the build environment being real, rather than mocked up.
3659 AC_DEFUN([CF_WITH_SYSTYPE],[
3660 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3661 AC_ARG_WITH(system-type,
3662 [ --with-system-type=XXX test: override derived host system-type],
3663 [AC_MSG_WARN(overriding system type to $withval)
3664 cf_cv_system_name=$withval
3668 dnl ---------------------------------------------------------------------------
3669 dnl CF_XOPEN_SOURCE version: 43 updated: 2013/02/10 10:41:05
3671 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3672 dnl or adapt to the vendor's definitions to get equivalent functionality,
3673 dnl without losing the common non-POSIX features.
3676 dnl $1 is the nominal value for _XOPEN_SOURCE
3677 dnl $2 is the nominal value for _POSIX_C_SOURCE
3678 AC_DEFUN([CF_XOPEN_SOURCE],[
3679 AC_REQUIRE([AC_CANONICAL_HOST])
3681 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3682 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3685 case $host_os in #(vi
3687 cf_xopen_source="-D_ALL_SOURCE"
3692 darwin[[0-8]].*) #(vi
3693 cf_xopen_source="-D_APPLE_C_SOURCE"
3696 cf_xopen_source="-D_DARWIN_C_SOURCE"
3699 freebsd*|dragonfly*) #(vi
3700 # 5.x headers associate
3701 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3702 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3703 cf_POSIX_C_SOURCE=200112L
3705 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3708 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3711 cf_xopen_source="-D_HPUX_SOURCE"
3714 cf_xopen_source="-D_SGI_SOURCE"
3717 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3721 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3723 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3726 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3728 openbsd[[4-9]]*) #(vi
3729 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3730 cf_xopen_source="-D_BSD_SOURCE"
3734 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3737 cf_xopen_source="-D_OSF_SOURCE"
3740 cf_xopen_source="-D_QNX_SOURCE"
3743 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3746 cf_xopen_source="-D__EXTENSIONS__"
3750 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3754 if test -n "$cf_xopen_source" ; then
3755 CF_ADD_CFLAGS($cf_xopen_source)
3758 dnl In anything but the default case, we may have system-specific setting
3759 dnl which is still not guaranteed to provide all of the entrypoints that
3760 dnl _XOPEN_SOURCE would yield.
3761 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3762 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3763 AC_TRY_COMPILE([#include <stdlib.h>],[
3764 #ifndef _XOPEN_SOURCE
3767 [cf_XOPEN_SOURCE_set=yes],
3768 [cf_XOPEN_SOURCE_set=no])
3769 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3770 if test $cf_XOPEN_SOURCE_set = yes
3772 AC_TRY_COMPILE([#include <stdlib.h>],[
3773 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3776 [cf_XOPEN_SOURCE_set_ok=yes],
3777 [cf_XOPEN_SOURCE_set_ok=no])
3778 if test $cf_XOPEN_SOURCE_set_ok = no
3780 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)