1 dnl***************************************************************************
2 dnl Copyright (c) 2010-2013,2014 Free Software Foundation, Inc. *
4 dnl Permission is hereby granted, free of charge, to any person obtaining a *
5 dnl copy of this software and associated documentation files (the *
6 dnl "Software"), to deal in the Software without restriction, including *
7 dnl without limitation the rights to use, copy, modify, merge, publish, *
8 dnl distribute, distribute with modifications, sublicense, and/or sell *
9 dnl copies of the Software, and to permit persons to whom the Software is *
10 dnl furnished to do so, subject to the following conditions: *
12 dnl The above copyright notice and this permission notice shall be included *
13 dnl in all copies or substantial portions of the Software. *
15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 dnl Except as contained in this notice, the name(s) of the above copyright *
24 dnl holders shall not be used in advertising or otherwise to promote the *
25 dnl sale, use or other dealings in this Software without prior written *
27 dnl***************************************************************************
29 dnl Author: Thomas E. Dickey
31 dnl $Id: aclocal.m4,v 1.88 2014/07/19 14:32:13 tom Exp $
32 dnl Macros used in NCURSES Ada95 auto-configuration script.
34 dnl These macros are maintained separately from NCURSES. The copyright on
35 dnl this file applies to the aggregation of macros and does not affect use of
36 dnl these macros in other applications.
38 dnl See http://invisible-island.net/autoconf/ for additional information.
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
43 dnl ------------------
44 dnl Conditionally generate script according to whether we're using a given autoconf.
46 dnl $1 = version to compare against
47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
48 dnl $3 = code to use if AC_ACVERSION is older than $1.
49 define([CF_ACVERSION_CHECK],
51 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
52 ifdef([m4_version_compare],
53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
54 [CF_ACVERSION_COMPARE(
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
57 dnl ---------------------------------------------------------------------------
58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
59 dnl --------------------
60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
61 dnl MAJOR2, MINOR2, TERNARY2,
62 dnl PRINTABLE2, not FOUND, FOUND)
63 define([CF_ACVERSION_COMPARE],
64 [ifelse(builtin([eval], [$2 < $5]), 1,
65 [ifelse([$8], , ,[$8])],
66 [ifelse([$9], , ,[$9])])])dnl
67 dnl ---------------------------------------------------------------------------
68 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
69 dnl -------------------
70 dnl Construct the list of include-options for the C programs in the Ada95
72 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
74 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
75 if test "$srcdir" != "."; then
76 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
78 if test "$GCC" != yes; then
79 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
80 elif test "$includedir" != "/usr/include"; then
81 if test "$includedir" = '${prefix}/include' ; then
82 if test x$prefix != x/usr ; then
83 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
86 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
91 dnl ---------------------------------------------------------------------------
92 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
94 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
95 AC_DEFUN([CF_ADD_ADAFLAGS],[
96 ADAFLAGS="$ADAFLAGS $1"
99 dnl ---------------------------------------------------------------------------
100 dnl CF_ADD_CFLAGS version: 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: 2 updated: 2014/07/13 14:33:27
291 dnl Add one or more libraries, used to enforce consistency. Libraries are
292 dnl prepended to an existing list, since their dependencies are assumed to
293 dnl already exist in the list.
295 dnl $1 = libraries to add, with the "-l", etc.
296 dnl $2 = variable to update (default $LIBS)
297 AC_DEFUN([CF_ADD_LIBS],[
299 # Filter out duplicates - this happens with badly-designed ".pc" files...
300 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
302 for cf_add_2lib in $cf_add_libs
304 if test "x$cf_add_1lib" = "x$cf_add_2lib"
310 test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
312 ifelse($2,,LIBS,[$2])="$cf_add_libs"
314 dnl ---------------------------------------------------------------------------
315 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
316 dnl ------------------
317 dnl Append to a search-list for a nonstandard header/lib-file
318 dnl $1 = the variable to return as result
319 dnl $2 = the package name
320 dnl $3 = the subdirectory, e.g., bin, include or lib
321 dnl $4 = the directory under which we will test for subdirectories
322 dnl $5 = a directory that we do not want $4 to match
323 AC_DEFUN([CF_ADD_SUBDIR_PATH],
325 test "x$4" != "x$5" && \
327 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
328 test -n "$verbose" && echo " ... testing for $3-directories under $4"
329 test -d $4/$3 && $1="[$]$1 $4/$3"
330 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
331 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
332 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
333 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
336 dnl ---------------------------------------------------------------------------
337 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
339 dnl Allow user to disable a normally-on option.
340 AC_DEFUN([CF_ARG_DISABLE],
341 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
342 dnl ---------------------------------------------------------------------------
343 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
345 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
351 dnl $3 = action to perform if option is not default
352 dnl $4 = action if perform if option is default
353 dnl $5 = default option value (either 'yes' or 'no')
354 AC_DEFUN([CF_ARG_OPTION],
355 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
356 if test "$enableval" != "$5" ; then
358 ,[ $3]) ifelse([$4],,,[
361 fi],[enableval=$5 ifelse([$4],,,[
365 dnl ---------------------------------------------------------------------------
366 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
368 dnl Check for suitable "ar" (archiver) options for updating an archive.
369 AC_DEFUN([CF_AR_FLAGS],[
370 AC_REQUIRE([CF_PROG_AR])
372 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
373 cf_cv_ar_flags=unknown
374 for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
377 # check if $ARFLAGS already contains this choice
378 if test "x$ARFLAGS" != "x" ; then
379 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
380 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
386 rm -f conftest.$ac_cv_objext
389 cat >conftest.$ac_ext <<EOF
390 #line __oline__ "configure"
391 int testdata[[3]] = { 123, 456, 789 };
393 if AC_TRY_EVAL(ac_compile) ; then
394 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
395 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
396 if test -f conftest.a ; then
397 cf_cv_ar_flags=$cf_ar_flags
401 CF_VERBOSE(cannot compile test-program)
405 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
408 if test -n "$ARFLAGS" ; then
409 if test -n "$cf_cv_ar_flags" ; then
410 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
413 ARFLAGS=$cf_cv_ar_flags
418 dnl ---------------------------------------------------------------------------
419 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
421 dnl If we're cross-compiling, allow the user to override the tools and their
422 dnl options. The configure script is oriented toward identifying the host
423 dnl compiler, etc., but we need a build compiler to generate parts of the
426 dnl $1 = default for $CPPFLAGS
427 dnl $2 = default for $LIBS
428 AC_DEFUN([CF_BUILD_CC],[
429 CF_ACVERSION_CHECK(2.52,,
430 [AC_REQUIRE([CF_PROG_EXT])])
431 if test "$cross_compiling" = yes ; then
433 # defaults that we might want to override
434 : ${BUILD_CFLAGS:=''}
435 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
436 : ${BUILD_LDFLAGS:=''}
437 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
438 : ${BUILD_EXEEXT:='$x'}
439 : ${BUILD_OBJEXT:='o'}
441 AC_ARG_WITH(build-cc,
442 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
443 [BUILD_CC="$withval"],
444 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
445 AC_MSG_CHECKING(for native build C compiler)
446 AC_MSG_RESULT($BUILD_CC)
448 AC_MSG_CHECKING(for native build C preprocessor)
449 AC_ARG_WITH(build-cpp,
450 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
451 [BUILD_CPP="$withval"],
452 [BUILD_CPP='${BUILD_CC} -E'])
453 AC_MSG_RESULT($BUILD_CPP)
455 AC_MSG_CHECKING(for native build C flags)
456 AC_ARG_WITH(build-cflags,
457 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
458 [BUILD_CFLAGS="$withval"])
459 AC_MSG_RESULT($BUILD_CFLAGS)
461 AC_MSG_CHECKING(for native build C preprocessor-flags)
462 AC_ARG_WITH(build-cppflags,
463 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
464 [BUILD_CPPFLAGS="$withval"])
465 AC_MSG_RESULT($BUILD_CPPFLAGS)
467 AC_MSG_CHECKING(for native build linker-flags)
468 AC_ARG_WITH(build-ldflags,
469 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
470 [BUILD_LDFLAGS="$withval"])
471 AC_MSG_RESULT($BUILD_LDFLAGS)
473 AC_MSG_CHECKING(for native build linker-libraries)
474 AC_ARG_WITH(build-libs,
475 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
476 [BUILD_LIBS="$withval"])
477 AC_MSG_RESULT($BUILD_LIBS)
479 # this assumes we're on Unix.
483 : ${BUILD_CC:='${CC}'}
485 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
486 AC_MSG_ERROR([Cross-build requires two compilers.
487 Use --with-build-cc to specify the native compiler.])
491 : ${BUILD_CC:='${CC}'}
492 : ${BUILD_CPP:='${CPP}'}
493 : ${BUILD_CFLAGS:='${CFLAGS}'}
494 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
495 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
496 : ${BUILD_LIBS:='${LIBS}'}
497 : ${BUILD_EXEEXT:='$x'}
498 : ${BUILD_OBJEXT:='o'}
503 AC_SUBST(BUILD_CFLAGS)
504 AC_SUBST(BUILD_CPPFLAGS)
505 AC_SUBST(BUILD_LDFLAGS)
507 AC_SUBST(BUILD_EXEEXT)
508 AC_SUBST(BUILD_OBJEXT)
510 dnl ---------------------------------------------------------------------------
511 dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
513 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
514 dnl into CC. This will not help with broken scripts that wrap the compiler with
515 dnl options, but eliminates a more common category of user confusion.
516 AC_DEFUN([CF_CC_ENV_FLAGS],
518 # This should have been defined by AC_PROG_CC
521 AC_MSG_CHECKING(\$CC variable)
524 AC_MSG_RESULT(broken)
525 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
527 cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'`
528 CC=`echo "$CC" | sed -e 's/[[ ]].*//'`
529 CF_ADD_CFLAGS($cf_flags)
536 dnl ---------------------------------------------------------------------------
537 dnl CF_CFG_DEFAULTS version: 10 updated: 2013/09/07 13:54:05
539 dnl Determine the default configuration into which we'll install ncurses. This
540 dnl can be overridden by the user's command-line options. There's two items to
542 dnl 1. the prefix (e.g., /usr)
543 dnl 2. the header files (e.g., /usr/include/ncurses)
544 dnl We'll look for a previous installation of ncurses and use the same defaults.
546 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
547 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
548 dnl programs from a vendor's.
549 AC_DEFUN([CF_CFG_DEFAULTS],
551 AC_MSG_CHECKING(for prefix)
552 if test "x$prefix" = "xNONE" ; then
553 case "$cf_cv_system_name" in
554 # non-vendor systems don't have a conflict
555 openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
558 *) prefix=$ac_default_prefix
562 AC_MSG_RESULT($prefix)
564 if test "x$prefix" = "xNONE" ; then
565 AC_MSG_CHECKING(for default include-directory)
566 test -n "$verbose" && echo 1>&AC_FD_MSG
569 $includedir/ncurses \
571 $prefix/include/ncurses \
573 /usr/local/include/ncurses \
577 cf_dir=`eval echo $cf_symbol`
578 if test -f $cf_dir/curses.h ; then
579 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
580 includedir="$cf_symbol"
581 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
585 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
587 AC_MSG_RESULT($includedir)
590 dnl ---------------------------------------------------------------------------
591 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
593 dnl Check if we're accidentally using a cache from a different machine.
594 dnl Derive the system name, as a check for reusing the autoconf cache.
596 dnl If we've packaged config.guess and config.sub, run that (since it does a
597 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
598 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
599 dnl which is useful in cross-compiles.
601 dnl Note: we would use $ac_config_sub, but that is one of the places where
602 dnl autoconf 2.5x broke compatibility with autoconf 2.13
603 AC_DEFUN([CF_CHECK_CACHE],
605 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
606 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
607 system_name="$host_os"
609 system_name="`(uname -s -r) 2>/dev/null`"
610 if test -z "$system_name" ; then
611 system_name="`(hostname) 2>/dev/null`"
614 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
615 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
617 test -z "$system_name" && system_name="$cf_cv_system_name"
618 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
620 if test ".$system_name" != ".$cf_cv_system_name" ; then
621 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
622 AC_MSG_ERROR("Please remove config.cache and try again.")
625 dnl ---------------------------------------------------------------------------
626 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
627 dnl -----------------
628 dnl Check if the given compiler is really clang. clang's C driver defines
629 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
630 dnl not ignore some gcc options.
632 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
633 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
634 dnl the wrappers for gcc and g++ warnings.
636 dnl $1 = GCC (default) or GXX
637 dnl $2 = CLANG_COMPILER (default)
638 dnl $3 = CFLAGS (default) or CXXFLAGS
639 AC_DEFUN([CF_CLANG_COMPILER],[
640 ifelse([$2],,CLANG_COMPILER,[$2])=no
642 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
643 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
644 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
645 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
651 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
652 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
654 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
655 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
658 dnl ---------------------------------------------------------------------------
659 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
661 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
662 dnl variations of ncurses' installs.
664 dnl $1 = ncurses when looking for ncurses, or is empty
665 AC_DEFUN([CF_CURSES_HEADER],[
666 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
667 cf_cv_ncurses_header=none
668 for cf_header in ifelse($1,,,[ \
672 curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
674 AC_TRY_COMPILE([#include <${cf_header}>],
675 [initscr(); tgoto("?", 0,0)],
676 [cf_cv_ncurses_header=$cf_header; break],[])
680 if test "$cf_cv_ncurses_header" = none ; then
681 AC_MSG_ERROR(No curses header-files found)
684 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
685 AC_CHECK_HEADERS($cf_cv_ncurses_header)
687 dnl ---------------------------------------------------------------------------
688 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
690 dnl "dirname" is not portable, so we fake it with a shell script.
691 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
692 dnl ---------------------------------------------------------------------------
693 dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
695 dnl You can always use "make -n" to see the actual options, but it's hard to
696 dnl pick out/analyze warning messages when the compile-line is long.
699 dnl ECHO_LT - symbol to control if libtool is verbose
700 dnl ECHO_LD - symbol to prefix "cc -o" lines
701 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
702 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
703 dnl ECHO_CC - symbol to put before any "cc" line
705 AC_DEFUN([CF_DISABLE_ECHO],[
706 AC_MSG_CHECKING(if you want to see long compiling messages)
708 [ --disable-echo do not display "compiling" commands],
711 ECHO_LD='@echo linking [$]@;'
712 RULE_CC='@echo compiling [$]<'
713 SHOW_CC='@echo compiling [$]@'
722 AC_MSG_RESULT($enableval)
729 dnl ---------------------------------------------------------------------------
730 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
731 dnl ------------------------
732 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
733 AC_MSG_CHECKING(if we want to use GNAT projects)
734 CF_ARG_DISABLE(gnat-projects,
735 [ --disable-gnat-projects test: disable GNAT projects even if usable],
736 [enable_gnat_projects=no],
737 [enable_gnat_projects=yes])
738 AC_MSG_RESULT($enable_gnat_projects)
740 dnl ---------------------------------------------------------------------------
741 dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
742 dnl ------------------
743 dnl This is the "--enable-pc-files" option, which is available if there is a
744 dnl pkg-config configuration on the local machine.
745 AC_DEFUN([CF_ENABLE_PC_FILES],[
746 AC_REQUIRE([CF_PKG_CONFIG])
747 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
749 if test "$PKG_CONFIG" != none ; then
750 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
751 AC_ARG_ENABLE(pc-files,
752 [ --enable-pc-files generate and install .pc files for pkg-config],
753 [enable_pc_files=$enableval],
754 [enable_pc_files=no])
755 AC_MSG_RESULT($enable_pc_files)
756 if test "$enable_pc_files" != no
758 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
764 dnl ---------------------------------------------------------------------------
765 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
767 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
768 dnl prefer a standard location, and use -L options only if we do not find the
769 dnl library in the standard library location(s).
770 dnl $1 = library name
771 dnl $2 = library class, usually the same as library name
773 dnl $4 = code fragment to compile/link
774 dnl $5 = corresponding function-name
775 dnl $6 = flag, nonnull if failure should not cause an error-exit
777 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
778 dnl to use a -L option.
779 AC_DEFUN([CF_FIND_LIBRARY],
781 eval 'cf_cv_have_lib_'$1'=no'
784 eval 'cf_cv_have_lib_'$1'=yes',[
786 AC_MSG_CHECKING(for $5 in -l$1)
788 AC_TRY_LINK([$3],[$4],
790 eval 'cf_cv_have_lib_'$1'=yes'
793 CF_LIBRARY_PATH(cf_search,$2)
794 for cf_libdir in $cf_search
796 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
797 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
798 AC_TRY_LINK([$3],[$4],
800 eval 'cf_cv_have_lib_'$1'=yes'
803 LIBS="$cf_save_LIBS"])
807 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
809 if test $cf_found_library = no ; then
810 AC_MSG_ERROR(Cannot link $1 library)
814 dnl ---------------------------------------------------------------------------
815 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
817 dnl Find a library (specifically the linkage used in the code fragment),
818 dnl searching for it if it is not already in the library path.
819 dnl See also CF_ADD_SEARCHPATH.
821 dnl Parameters (4-on are optional):
822 dnl $1 = headers for library entrypoint
823 dnl $2 = code fragment for library entrypoint
824 dnl $3 = the library name without the "-l" option or ".so" suffix.
825 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
826 dnl $5 = action to perform if not successful
827 dnl $6 = module name, if not the same as the library name
828 dnl $7 = extra libraries
830 dnl Sets these variables:
831 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
832 dnl $cf_cv_header_path_$3 - include-directory if needed
833 dnl $cf_cv_library_path_$3 - library-directory if needed
834 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
835 AC_DEFUN([CF_FIND_LINKAGE],[
837 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
838 # will be set on completion of the AC_TRY_LINK below.
839 cf_cv_header_path_$3=
840 cf_cv_library_path_$3=
842 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
846 AC_TRY_LINK([$1],[$2],[
847 cf_cv_find_linkage_$3=yes
848 cf_cv_header_path_$3=/usr/include
849 cf_cv_library_path_$3=/usr/lib
852 LIBS="-l$3 $7 $cf_save_LIBS"
854 AC_TRY_LINK([$1],[$2],[
855 cf_cv_find_linkage_$3=yes
856 cf_cv_header_path_$3=/usr/include
857 cf_cv_library_path_$3=/usr/lib
858 cf_cv_library_file_$3="-l$3"
860 cf_cv_find_linkage_$3=no
863 CF_VERBOSE(find linkage for $3 library)
864 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
866 cf_save_CPPFLAGS="$CPPFLAGS"
867 cf_test_CPPFLAGS="$CPPFLAGS"
869 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
870 for cf_cv_header_path_$3 in $cf_search
872 if test -d $cf_cv_header_path_$3 ; then
873 CF_VERBOSE(... testing $cf_cv_header_path_$3)
874 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
875 AC_TRY_COMPILE([$1],[$2],[
876 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
877 cf_cv_find_linkage_$3=maybe
878 cf_test_CPPFLAGS="$CPPFLAGS"
880 CPPFLAGS="$cf_save_CPPFLAGS"
885 if test "$cf_cv_find_linkage_$3" = maybe ; then
887 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
890 cf_save_LDFLAGS="$LDFLAGS"
893 CPPFLAGS="$cf_test_CPPFLAGS"
894 LIBS="-l$3 $7 $cf_save_LIBS"
895 AC_TRY_LINK([$1],[$2],[
896 CF_VERBOSE(... found $3 library in system)
897 cf_cv_find_linkage_$3=yes])
898 CPPFLAGS="$cf_save_CPPFLAGS"
902 if test "$cf_cv_find_linkage_$3" != yes ; then
903 CF_LIBRARY_PATH(cf_search,$3)
904 for cf_cv_library_path_$3 in $cf_search
906 if test -d $cf_cv_library_path_$3 ; then
907 CF_VERBOSE(... testing $cf_cv_library_path_$3)
908 CPPFLAGS="$cf_test_CPPFLAGS"
909 LIBS="-l$3 $7 $cf_save_LIBS"
910 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
911 AC_TRY_LINK([$1],[$2],[
912 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
913 cf_cv_find_linkage_$3=yes
914 cf_cv_library_file_$3="-l$3"
916 CPPFLAGS="$cf_save_CPPFLAGS"
918 LDFLAGS="$cf_save_LDFLAGS"
922 CPPFLAGS="$cf_save_CPPFLAGS"
923 LDFLAGS="$cf_save_LDFLAGS"
927 cf_cv_find_linkage_$3=no
934 if test "$cf_cv_find_linkage_$3" = yes ; then
936 CF_ADD_INCDIR($cf_cv_header_path_$3)
937 CF_ADD_LIBDIR($cf_cv_library_path_$3)
941 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
944 dnl ---------------------------------------------------------------------------
945 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
946 dnl -----------------
947 dnl make ADAFLAGS consistent with CFLAGS
948 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
949 AC_MSG_CHECKING(optimization options for ADAFLAGS)
957 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
958 CF_ADD_ADAFLAGS($cf_O_flag)
961 AC_MSG_RESULT($ADAFLAGS)
963 dnl ---------------------------------------------------------------------------
964 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
965 dnl -----------------
966 dnl Test for availability of useful gcc __attribute__ directives to quiet
967 dnl compiler warnings. Though useful, not all are supported -- and contrary
968 dnl to documentation, unrecognized directives cause older compilers to barf.
969 AC_DEFUN([CF_GCC_ATTRIBUTES],
973 cat > conftest.i <<EOF
981 #define GCC_NORETURN /* nothing */
984 #define GCC_UNUSED /* nothing */
989 AC_CHECKING([for $CC __attribute__ directives])
990 cat > conftest.$ac_ext <<EOF
991 #line __oline__ "${as_me:-configure}"
992 #include "confdefs.h"
993 #include "conftest.h"
994 #include "conftest.i"
996 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
998 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1001 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1003 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1005 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1006 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1007 extern void foo(void) GCC_NORETURN;
1008 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1010 cf_printf_attribute=no
1011 cf_scanf_attribute=no
1012 for cf_attribute in scanf printf unused noreturn
1014 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1015 cf_directive="__attribute__(($cf_attribute))"
1016 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1018 case $cf_attribute in #(vi
1020 cf_printf_attribute=yes
1021 cat >conftest.h <<EOF
1022 #define GCC_$cf_ATTRIBUTE 1
1026 cf_scanf_attribute=yes
1027 cat >conftest.h <<EOF
1028 #define GCC_$cf_ATTRIBUTE 1
1032 cat >conftest.h <<EOF
1033 #define GCC_$cf_ATTRIBUTE $cf_directive
1038 if AC_TRY_EVAL(ac_compile); then
1039 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1040 cat conftest.h >>confdefs.h
1041 case $cf_attribute in #(vi
1043 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1046 cf_value='/* nothing */'
1047 if test "$cf_printf_attribute" != no ; then
1048 cf_value='__attribute__((format(printf,fmt,var)))'
1049 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1051 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1054 cf_value='/* nothing */'
1055 if test "$cf_scanf_attribute" != no ; then
1056 cf_value='__attribute__((format(scanf,fmt,var)))'
1057 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1059 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1062 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1068 fgrep define conftest.i >>confdefs.h
1073 dnl ---------------------------------------------------------------------------
1074 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1076 dnl Find version of gcc
1077 AC_DEFUN([CF_GCC_VERSION],[
1078 AC_REQUIRE([AC_PROG_CC])
1080 if test "$GCC" = yes ; then
1081 AC_MSG_CHECKING(version of $CC)
1082 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1083 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1084 AC_MSG_RESULT($GCC_VERSION)
1087 dnl ---------------------------------------------------------------------------
1088 dnl CF_GCC_WARNINGS version: 31 updated: 2013/11/19 19:23:35
1090 dnl Check if the compiler supports useful warning options. There's a few that
1091 dnl we don't use, simply because they're too noisy:
1093 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1094 dnl -Wredundant-decls (system headers make this too noisy)
1095 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1096 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1097 dnl is enabled for ncurses using "--enable-const".
1101 dnl $1 is an optional list of gcc warning flags that a particular
1102 dnl application might want to use, e.g., "no-unused" for
1105 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1107 AC_DEFUN([CF_GCC_WARNINGS],
1109 AC_REQUIRE([CF_GCC_VERSION])
1110 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1111 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1113 cat > conftest.$ac_ext <<EOF
1114 #line __oline__ "${as_me:-configure}"
1115 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1118 if test "$INTEL_COMPILER" = yes
1120 # The "-wdXXX" options suppress warnings:
1121 # remark #1419: external declaration in primary source file
1122 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1123 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1124 # remark #193: zero used for undefined preprocessing identifier
1125 # remark #593: variable "curs_sb_left_arrow" was set but never used
1126 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1127 # remark #869: parameter "tw" was never referenced
1128 # remark #981: operands are evaluated in unspecified order
1129 # warning #279: controlling expression is constant
1131 AC_CHECKING([for $CC warning options])
1132 cf_save_CFLAGS="$CFLAGS"
1133 EXTRA_CFLAGS="-Wall"
1145 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1146 if AC_TRY_EVAL(ac_compile); then
1147 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1148 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1151 CFLAGS="$cf_save_CFLAGS"
1153 elif test "$GCC" = yes
1155 AC_CHECKING([for $CC warning options])
1156 cf_save_CFLAGS="$CFLAGS"
1159 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1160 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1161 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1162 for cf_opt in W Wall \
1163 Wbad-function-cast \
1166 Wdeclaration-after-statement \
1169 Wmissing-declarations \
1170 Wmissing-prototypes \
1174 Wstrict-prototypes \
1175 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1177 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1178 if AC_TRY_EVAL(ac_compile); then
1179 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1180 case $cf_opt in #(vi
1182 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1185 case $GCC_VERSION in
1187 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1191 Wpointer-arith) #(vi
1192 case $GCC_VERSION in
1194 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1199 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1202 CFLAGS="$cf_save_CFLAGS"
1206 AC_SUBST(EXTRA_CFLAGS)
1208 dnl ---------------------------------------------------------------------------
1209 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1210 dnl ----------------
1211 AC_DEFUN([CF_GNAT_GENERICS],
1213 AC_REQUIRE([CF_GNAT_VERSION])
1215 AC_MSG_CHECKING(if GNAT supports generics)
1216 case $cf_gnat_version in #(vi
1217 3.[[1-9]]*|[[4-9]].*) #(vi
1218 cf_gnat_generics=yes
1224 AC_MSG_RESULT($cf_gnat_generics)
1226 if test "$cf_gnat_generics" = yes
1228 cf_compile_generics=generics
1229 cf_generic_objects="\${GENOBJS}"
1231 cf_compile_generics=
1235 AC_SUBST(cf_compile_generics)
1236 AC_SUBST(cf_generic_objects)
1238 dnl ---------------------------------------------------------------------------
1239 dnl CF_GNAT_PROJECTS version: 7 updated: 2014/06/01 10:46:34
1240 dnl ----------------
1241 dnl GNAT projects are configured with ".gpr" project files.
1242 dnl GNAT libraries are a further development, using the project feature.
1243 AC_DEFUN([CF_GNAT_PROJECTS],
1245 AC_REQUIRE([CF_GNAT_VERSION])
1246 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1248 cf_gnat_libraries=no
1251 if test "$enable_gnat_projects" != no ; then
1252 AC_MSG_CHECKING(if GNAT supports project files)
1253 case $cf_gnat_version in #(vi
1257 case $cf_cv_system_name in #(vi
1261 mkdir conftest.src conftest.bin conftest.lib
1263 rm -rf conftest* *~conftest*
1264 cat >>library.gpr <<CF_EOF
1266 Kind := External ("LIB_KIND");
1267 for Library_Name use "ConfTest";
1268 for Object_Dir use ".";
1269 for Library_ALI_Dir use External("LIBRARY_DIR");
1270 for Library_Version use External ("SONAME");
1271 for Library_Kind use Kind;
1272 for Library_Dir use External("BUILD_DIR");
1273 Source_Dir := External ("SOURCE_DIR");
1274 for Source_Dirs use (Source_Dir);
1277 cat >>confpackage.ads <<CF_EOF
1278 package ConfPackage is
1282 cat >>confpackage.adb <<CF_EOF
1284 package body ConfPackage is
1285 procedure conftest is
1287 Text_IO.Put ("Hello World");
1292 if ( $cf_ada_make $ADAFLAGS \
1294 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1295 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1296 -XSOURCE_DIR=`pwd` \
1297 -XSONAME=libConfTest.so.1 \
1298 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1299 cf_gnat_projects=yes
1302 if test -f conftest.lib/confpackage.ali
1304 cf_gnat_libraries=yes
1306 rm -rf conftest* *~conftest*
1311 AC_MSG_RESULT($cf_gnat_projects)
1312 fi # enable_gnat_projects
1314 if test $cf_gnat_projects = yes
1316 AC_MSG_CHECKING(if GNAT supports libraries)
1317 AC_MSG_RESULT($cf_gnat_libraries)
1320 if test "$cf_gnat_projects" = yes
1322 USE_OLD_MAKERULES="#"
1323 USE_GNAT_PROJECTS=""
1325 USE_OLD_MAKERULES=""
1326 USE_GNAT_PROJECTS="#"
1329 if test "$cf_gnat_libraries" = yes
1331 USE_GNAT_LIBRARIES=""
1333 USE_GNAT_LIBRARIES="#"
1336 AC_SUBST(USE_OLD_MAKERULES)
1337 AC_SUBST(USE_GNAT_PROJECTS)
1338 AC_SUBST(USE_GNAT_LIBRARIES)
1340 dnl ---------------------------------------------------------------------------
1341 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1343 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1344 dnl is noted that gnat may compile a tasking unit even for configurations which
1345 dnl fail at runtime.
1346 AC_DEFUN([CF_GNAT_SIGINT],[
1347 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1348 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1352 pragma Warnings (Off); -- the next pragma exists since 3.11p
1353 pragma Unreserve_All_Interrupts;
1354 pragma Warnings (On);
1356 protected Process is
1358 function Continue return Boolean;
1359 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1361 Done : Boolean := False;
1365 [package body ConfTest is
1366 protected body Process is
1371 function Continue return Boolean is
1377 [cf_cv_gnat_sigint=yes],
1378 [cf_cv_gnat_sigint=no])])
1380 if test $cf_cv_gnat_sigint = yes ; then
1385 AC_SUBST(USE_GNAT_SIGINT)
1387 dnl ---------------------------------------------------------------------------
1388 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1389 dnl ----------------
1390 dnl Verify that a test program compiles/links with GNAT.
1391 dnl $cf_ada_make is set to the program that compiles/links
1392 dnl $ADAFLAGS may be set to the GNAT flags.
1394 dnl $1 is the text of the spec
1395 dnl $2 is the text of the body
1396 dnl $3 is the shell command to execute if successful
1397 dnl $4 is the shell command to execute if not successful
1398 AC_DEFUN([CF_GNAT_TRY_LINK],
1400 rm -rf conftest* *~conftest*
1401 cat >>conftest.ads <<CF_EOF
1404 cat >>conftest.adb <<CF_EOF
1407 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1408 ifelse($3,, :,[ $3])
1412 rm -rf conftest* *~conftest*
1414 dnl ---------------------------------------------------------------------------
1415 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1417 dnl Verify that a test program compiles and runs with GNAT
1418 dnl $cf_ada_make is set to the program that compiles/links
1419 dnl $ADAFLAGS may be set to the GNAT flags.
1421 dnl $1 is the text of the spec
1422 dnl $2 is the text of the body
1423 dnl $3 is the shell command to execute if successful
1424 dnl $4 is the shell command to execute if not successful
1425 AC_DEFUN([CF_GNAT_TRY_RUN],
1427 rm -rf conftest* *~conftest*
1428 cat >>conftest.ads <<CF_EOF
1431 cat >>conftest.adb <<CF_EOF
1434 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1435 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1436 ifelse($3,, :,[ $3])
1443 rm -rf conftest* *~conftest*
1445 dnl ---------------------------------------------------------------------------
1446 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
1448 dnl Verify version of GNAT.
1449 AC_DEFUN([CF_GNAT_VERSION],
1451 AC_MSG_CHECKING(for gnat version)
1452 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1453 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1454 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1455 AC_MSG_RESULT($cf_gnat_version)
1457 case $cf_gnat_version in #(vi
1458 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
1459 cf_cv_prog_gnat_correct=yes
1462 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1463 cf_cv_prog_gnat_correct=no
1467 dnl ---------------------------------------------------------------------------
1468 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1470 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1471 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1472 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1473 dnl since it is interwoven with GNU extensions.
1475 dnl Well, yes we could work around it...
1476 AC_DEFUN([CF_GNU_SOURCE],
1478 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1479 AC_TRY_COMPILE([#include <sys/types.h>],[
1480 #ifndef _XOPEN_SOURCE
1483 [cf_cv_gnu_source=no],
1484 [cf_save="$CPPFLAGS"
1485 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1486 AC_TRY_COMPILE([#include <sys/types.h>],[
1487 #ifdef _XOPEN_SOURCE
1490 [cf_cv_gnu_source=no],
1491 [cf_cv_gnu_source=yes])
1495 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1497 dnl ---------------------------------------------------------------------------
1498 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1500 dnl Construct a search-list of directories for a nonstandard header-file
1503 dnl $1 = the variable to return as result
1504 dnl $2 = the package name
1505 AC_DEFUN([CF_HEADER_PATH],
1509 # collect the current set of include-directories from compiler flags
1510 cf_header_path_list=""
1511 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1512 for cf_header_path in $CPPFLAGS $CFLAGS
1514 case $cf_header_path in #(vi
1516 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1517 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1518 cf_header_path_list="$cf_header_path_list [$]$1"
1524 # add the variations for the package we are looking for
1525 CF_SUBDIR_PATH($1,$2,include)
1527 test "$includedir" != NONE && \
1528 test "$includedir" != "/usr/include" && \
1529 test -d "$includedir" && {
1530 test -d $includedir && $1="[$]$1 $includedir"
1531 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1534 test "$oldincludedir" != NONE && \
1535 test "$oldincludedir" != "/usr/include" && \
1536 test -d "$oldincludedir" && {
1537 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1538 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1541 $1="[$]$1 $cf_header_path_list"
1543 dnl ---------------------------------------------------------------------------
1544 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1546 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1547 AC_DEFUN([CF_HELP_MESSAGE],
1548 [AC_DIVERT_HELP([$1])dnl
1550 dnl ---------------------------------------------------------------------------
1551 dnl CF_INCLUDE_DIRS version: 8 updated: 2013/10/12 16:45:09
1553 dnl Construct the list of include-options according to whether we're building
1554 dnl in the source directory or using '--srcdir=DIR' option. If we're building
1555 dnl with gcc, don't append the includedir if it happens to be /usr/include,
1556 dnl since that usually breaks gcc's shadow-includes.
1557 AC_DEFUN([CF_INCLUDE_DIRS],
1559 if test "$GCC" != yes; then
1560 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1561 elif test "$includedir" != "/usr/include"; then
1562 if test "$includedir" = '${prefix}/include' ; then
1563 if test x$prefix != x/usr ; then
1564 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1567 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1570 if test "$srcdir" != "."; then
1571 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1573 CPPFLAGS="-I. -I../include $CPPFLAGS"
1576 dnl ---------------------------------------------------------------------------
1577 dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
1578 dnl -----------------
1579 dnl Check if the given compiler is really the Intel compiler for Linux. It
1580 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1581 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1583 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1584 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1585 dnl the wrappers for gcc and g++ warnings.
1587 dnl $1 = GCC (default) or GXX
1588 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1589 dnl $3 = CFLAGS (default) or CXXFLAGS
1590 AC_DEFUN([CF_INTEL_COMPILER],[
1591 AC_REQUIRE([AC_CANONICAL_HOST])
1592 ifelse([$2],,INTEL_COMPILER,[$2])=no
1594 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1597 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1598 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1599 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1601 #ifdef __INTEL_COMPILER
1605 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1606 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1608 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1609 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1614 dnl ---------------------------------------------------------------------------
1615 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1617 dnl Add checks for large file support.
1618 AC_DEFUN([CF_LARGEFILE],[
1619 ifdef([AC_FUNC_FSEEKO],[
1621 if test "$enable_largefile" != no ; then
1624 # Normally we would collect these definitions in the config.h,
1625 # but (like _XOPEN_SOURCE), some environments rely on having these
1626 # defined before any of the system headers are included. Another
1627 # case comes up with C++, e.g., on AIX the compiler compiles the
1628 # header files by themselves before looking at the body files it is
1629 # told to compile. For ncurses, those header files do not include
1631 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1632 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1633 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1635 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1637 #include <sys/types.h>
1640 /* if transitional largefile support is setup, this is true */
1641 extern struct dirent64 * readdir(DIR *);
1642 struct dirent64 *x = readdir((DIR *)0);
1643 struct dirent *y = readdir((DIR *)0);
1646 [cf_cv_struct_dirent64=yes],
1647 [cf_cv_struct_dirent64=no])
1649 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1653 dnl ---------------------------------------------------------------------------
1654 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1656 dnl For the given system and compiler, find the compiler flags to pass to the
1657 dnl loader to use the "rpath" feature.
1658 AC_DEFUN([CF_LD_RPATH_OPT],
1660 AC_REQUIRE([CF_CHECK_CACHE])
1663 AC_MSG_CHECKING(for an rpath option)
1664 case $cf_cv_system_name in #(vi
1666 if test "$GCC" = yes; then
1667 LD_RPATH_OPT="-Wl,-rpath,"
1669 LD_RPATH_OPT="-rpath "
1672 linux*|gnu*|k*bsd*-gnu) #(vi
1673 LD_RPATH_OPT="-Wl,-rpath,"
1675 openbsd[[2-9]].*|mirbsd*) #(vi
1676 LD_RPATH_OPT="-Wl,-rpath,"
1678 dragonfly*|freebsd*) #(vi
1679 LD_RPATH_OPT="-rpath "
1682 LD_RPATH_OPT="-Wl,-rpath,"
1685 LD_RPATH_OPT="-rpath "
1693 AC_MSG_RESULT($LD_RPATH_OPT)
1695 case "x$LD_RPATH_OPT" in #(vi
1697 AC_MSG_CHECKING(if we need a space after rpath option)
1698 cf_save_LIBS="$LIBS"
1699 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1700 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1701 LIBS="$cf_save_LIBS"
1702 AC_MSG_RESULT($cf_rpath_space)
1703 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1707 dnl ---------------------------------------------------------------------------
1708 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1710 dnl Construct a search-list of directories for a nonstandard library-file
1713 dnl $1 = the variable to return as result
1714 dnl $2 = the package name
1715 AC_DEFUN([CF_LIBRARY_PATH],
1718 cf_library_path_list=""
1719 if test -n "${LDFLAGS}${LIBS}" ; then
1720 for cf_library_path in $LDFLAGS $LIBS
1722 case $cf_library_path in #(vi
1724 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1725 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1726 cf_library_path_list="$cf_library_path_list [$]$1"
1732 CF_SUBDIR_PATH($1,$2,lib)
1734 $1="$cf_library_path_list [$]$1"
1736 dnl ---------------------------------------------------------------------------
1737 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1739 dnl Compute the library-prefix for the given host system
1740 dnl $1 = variable to set
1741 define([CF_LIB_PREFIX],
1743 case $cf_cv_system_name in #(vi
1750 ifelse($1,,,[$1=$LIB_PREFIX])
1751 AC_SUBST(LIB_PREFIX)
1753 dnl ---------------------------------------------------------------------------
1754 dnl CF_LIB_SUFFIX version: 23 updated: 2014/06/21 17:47:12
1756 dnl Compute the library file-suffix from the given model name
1758 dnl $2 = variable to set (the nominal library suffix)
1759 dnl $3 = dependency variable to set (actual filename)
1760 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1761 AC_DEFUN([CF_LIB_SUFFIX],
1777 case $cf_cv_system_name in
1782 cygwin*|msys*|mingw*) #(vi
1813 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1814 test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1816 dnl ---------------------------------------------------------------------------
1817 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1819 dnl Compute the string to append to -library from the given model name
1821 dnl $2 = variable to set
1822 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1823 AC_DEFUN([CF_LIB_TYPE],
1832 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1834 dnl ---------------------------------------------------------------------------
1835 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1836 dnl ----------------
1837 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1838 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1839 dnl have to provide wrappers for global tables to ensure they're linked
1841 AC_DEFUN([CF_LINK_DATAONLY],
1843 AC_MSG_CHECKING([if data-only library module links])
1844 AC_CACHE_VAL(cf_cv_link_dataonly,[
1846 cat >conftest.$ac_ext <<EOF
1847 #line __oline__ "configure"
1848 int testdata[[3]] = { 123, 456, 789 };
1850 if AC_TRY_EVAL(ac_compile) ; then
1851 mv conftest.o data.o && \
1852 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1854 rm -f conftest.$ac_ext data.o
1855 cat >conftest.$ac_ext <<EOF
1856 #line __oline__ "configure"
1860 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1862 extern int testdata[[3]];
1863 return testdata[[0]] == 123
1864 && testdata[[1]] == 456
1865 && testdata[[2]] == 789;
1869 if AC_TRY_EVAL(ac_compile); then
1870 mv conftest.o func.o && \
1871 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1873 rm -f conftest.$ac_ext func.o
1874 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1876 LIBS="conftest.a $LIBS"
1880 extern int testfunc();
1881 ${cf_cv_main_return:-return} (!testfunc());
1884 [cf_cv_link_dataonly=yes],
1885 [cf_cv_link_dataonly=no],
1886 [cf_cv_link_dataonly=unknown])
1889 AC_MSG_RESULT($cf_cv_link_dataonly)
1891 if test "$cf_cv_link_dataonly" = no ; then
1892 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1897 dnl ---------------------------------------------------------------------------
1898 dnl CF_MAKEFLAGS version: 15 updated: 2014/05/10 16:43:23
1900 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1901 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1902 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1903 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1904 AC_DEFUN([CF_MAKEFLAGS],
1906 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1908 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1910 cat >cf_makeflags.tmp <<CF_EOF
1913 @ echo '.$cf_option'
1915 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1916 case "$cf_result" in
1918 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1919 case "$cf_result" in
1920 .*CC=*) cf_cv_makeflags=
1922 *) cf_cv_makeflags=$cf_option
1928 *) echo "given option \"$cf_option\", no match \"$cf_result\""
1932 rm -f cf_makeflags.tmp
1935 AC_SUBST(cf_cv_makeflags)
1937 dnl ---------------------------------------------------------------------------
1938 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1940 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
1941 dnl a monocase filesystem.
1942 AC_DEFUN([CF_MAKE_TAGS],[
1943 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1945 AC_CHECK_PROGS(CTAGS, exctags ctags)
1946 AC_CHECK_PROGS(ETAGS, exetags etags)
1948 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1950 if test "$cf_cv_mixedcase" = yes ; then
1951 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1956 if test "$MAKE_UPPER_TAGS" = yes ; then
1962 if test "$MAKE_LOWER_TAGS" = yes ; then
1971 AC_SUBST(MAKE_UPPER_TAGS)
1972 AC_SUBST(MAKE_LOWER_TAGS)
1974 dnl ---------------------------------------------------------------------------
1975 dnl CF_MIXEDCASE_FILENAMES version: 6 updated: 2013/10/08 17:47:05
1976 dnl ----------------------
1977 dnl Check if the file-system supports mixed-case filenames. If we're able to
1978 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1979 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1981 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1982 if test "$cross_compiling" = yes ; then
1983 case $target_alias in #(vi
1984 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) #(vi
1992 rm -f conftest CONFTEST
1994 if test -f CONFTEST ; then
1999 rm -f conftest CONFTEST
2002 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2004 dnl ---------------------------------------------------------------------------
2005 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2007 dnl Check for a working mkstemp. This creates two files, checks that they are
2008 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2009 AC_DEFUN([CF_MKSTEMP],[
2010 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2013 #include <sys/types.h>
2017 #include <sys/stat.h>
2020 char *tmpl = "conftestXXXXXX";
2028 for (n = 0; n < 2; ++n) {
2029 strcpy(name[n], tmpl);
2030 if ((fd = mkstemp(name[n])) >= 0) {
2031 if (!strcmp(name[n], tmpl)
2032 || stat(name[n], &sb) != 0
2033 || (sb.st_mode & S_IFMT) != S_IFREG
2034 || (sb.st_mode & 077) != 0) {
2041 && !strcmp(name[0], name[1]))
2043 ${cf_cv_main_return:-return}(result);
2045 ],[cf_cv_func_mkstemp=yes
2046 ],[cf_cv_func_mkstemp=no
2047 ],[cf_cv_func_mkstemp=maybe])
2049 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2050 AC_CHECK_FUNC(mkstemp)
2052 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2053 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2056 dnl ---------------------------------------------------------------------------
2057 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2059 dnl Write a debug message to config.log, along with the line number in the
2060 dnl configure script.
2061 AC_DEFUN([CF_MSG_LOG],[
2062 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2064 dnl ---------------------------------------------------------------------------
2065 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2066 dnl ----------------
2067 dnl Configure an ncurses add-on, built outside the ncurses tree.
2068 AC_DEFUN([CF_NCURSES_ADDON],[
2070 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2072 AC_MSG_CHECKING(if you want wide-character code)
2073 AC_ARG_ENABLE(widec,
2074 [ --enable-widec compile with wide-char/UTF-8 code],
2075 [with_widec=$enableval],
2077 AC_MSG_RESULT($with_widec)
2078 if test "$with_widec" = yes ; then
2080 CF_NCURSES_CONFIG(ncursesw)
2082 CF_NCURSES_CONFIG(ncurses)
2085 if test "$NCURSES_CONFIG" != none ; then
2087 cf_version=`$NCURSES_CONFIG --version`
2089 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2090 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2091 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2093 # ABI version is not available from headers
2094 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2098 for cf_name in MAJOR MINOR PATCH
2100 cat >conftest.$ac_ext <<CF_EOF
2101 #include <${cf_cv_ncurses_header:-curses.h}>
2102 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2104 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2106 if test -f conftest.out ; then
2107 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2108 eval NCURSES_$cf_name=\"$cf_result\"
2109 # cat conftest.$ac_ext
2114 cf_cv_abi_version=${NCURSES_MAJOR}
2118 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2120 dnl Show the computed version, for logging
2121 cf_cv_timestamp=`date`
2123 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2125 dnl We need these values in the generated headers
2126 AC_SUBST(NCURSES_MAJOR)
2127 AC_SUBST(NCURSES_MINOR)
2128 AC_SUBST(NCURSES_PATCH)
2130 dnl We need these values in the generated makefiles
2131 AC_SUBST(cf_cv_rel_version)
2132 AC_SUBST(cf_cv_abi_version)
2134 dnl FIXME - not needed for Ada95
2135 AC_SUBST(cf_cv_builtin_bool)
2136 AC_SUBST(cf_cv_header_stdbool_h)
2137 AC_SUBST(cf_cv_type_of_bool)dnl
2140 dnl ---------------------------------------------------------------------------
2141 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2142 dnl -------------------
2143 dnl Check if we can compile with ncurses' header file
2144 dnl $1 is the cache variable to set
2145 dnl $2 is the header-file to include
2146 dnl $3 is the root name (ncurses or ncursesw)
2147 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2149 ]ifelse($3,ncursesw,[
2150 #define _XOPEN_SOURCE_EXTENDED
2151 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2152 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2155 #ifdef NCURSES_VERSION
2156 ]ifelse($3,ncursesw,[
2161 printf("%s\n", NCURSES_VERSION);
2173 dnl ---------------------------------------------------------------------------
2174 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2175 dnl -----------------
2176 dnl Tie together the configure-script macros for ncurses.
2177 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2178 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2180 dnl $1 is the root library name (default: "ncurses")
2181 AC_DEFUN([CF_NCURSES_CONFIG],
2183 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2185 echo "Looking for ${cf_ncuconfig_root}-config"
2187 CF_ACVERSION_CHECK(2.52,
2188 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2189 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2191 if test "$NCURSES_CONFIG" != none ; then
2193 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2194 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2196 # even with config script, some packages use no-override for curses.h
2197 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2199 dnl like CF_NCURSES_CPPFLAGS
2200 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2202 dnl like CF_NCURSES_LIBS
2203 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2204 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2206 dnl like CF_NCURSES_VERSION
2207 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2211 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2212 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2216 dnl ---------------------------------------------------------------------------
2217 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2218 dnl -------------------
2219 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2220 dnl the CPPFLAGS variable so we can include its header.
2222 dnl The header files may be installed as either curses.h, or ncurses.h (would
2223 dnl be obsolete, except that some packagers prefer this name to distinguish it
2224 dnl from a "native" curses implementation). If not installed for overwrite,
2225 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2226 dnl /usr/include/ncurses), but someone may have installed overwriting the
2227 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2228 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2231 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2232 dnl is already in the include-path, don't even bother with this, since we cannot
2233 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2235 dnl The optional parameter gives the root name of the library, in case it is
2236 dnl not installed as the default curses library. That is how the
2237 dnl wide-character version of ncurses is installed.
2238 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2239 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2241 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2242 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2244 test -n "$cf_cv_curses_dir" && \
2245 test "$cf_cv_curses_dir" != "no" && { \
2246 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2249 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2250 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2251 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2252 for cf_header in $cf_header_list
2254 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2255 test "$cf_cv_ncurses_h" != no && break
2262 # some applications need this, but should check for NCURSES_VERSION
2263 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2267 dnl ---------------------------------------------------------------------------
2268 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2269 dnl -----------------
2270 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2271 dnl variations of ncurses' installs.
2273 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2274 AC_DEFUN([CF_NCURSES_HEADER],[
2276 if test "$cf_cv_ncurses_h" != no ; then
2277 cf_cv_ncurses_header=$cf_cv_ncurses_h
2280 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2281 test -n "$verbose" && echo
2282 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2283 test -n "$verbose" && echo search path $cf_search
2284 cf_save2_CPPFLAGS="$CPPFLAGS"
2285 for cf_incdir in $cf_search
2287 CF_ADD_INCDIR($cf_incdir)
2292 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2293 if test "$cf_cv_ncurses_h2" != no ; then
2294 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2295 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2298 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2300 CPPFLAGS="$cf_save2_CPPFLAGS"
2301 test "$cf_cv_ncurses_h2" != no && break
2303 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2306 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2307 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2308 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2309 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2311 CF_ADD_INCDIR($cf_1st_incdir)
2315 # Set definitions to allow ifdef'ing for ncurses.h
2317 case $cf_cv_ncurses_header in # (vi
2319 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2323 case $cf_cv_ncurses_header in # (vi
2324 ncurses/curses.h|ncurses/ncurses.h)
2325 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2327 ncursesw/curses.h|ncursesw/ncurses.h)
2328 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2333 dnl ---------------------------------------------------------------------------
2334 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2336 dnl Look for the ncurses library. This is a little complicated on Linux,
2337 dnl because it may be linked with the gpm (general purpose mouse) library.
2338 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2339 dnl unusable with ncurses. However, we don't want to link with gpm unless
2340 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2341 dnl and the linker will record a dependency.
2343 dnl The optional parameter gives the root name of the library, in case it is
2344 dnl not installed as the default curses library. That is how the
2345 dnl wide-character version of ncurses is installed.
2346 AC_DEFUN([CF_NCURSES_LIBS],
2347 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2349 cf_nculib_root=ifelse($1,,ncurses,$1)
2350 # This works, except for the special case where we find gpm, but
2351 # ncurses is in a nonstandard location via $LIBS, and we really want
2354 cf_ncurses_SAVE="$LIBS"
2355 AC_CHECK_LIB(gpm,Gpm_Open,
2356 [AC_CHECK_LIB(gpm,initscr,
2357 [LIBS="$cf_ncurses_SAVE"],
2358 [cf_ncurses_LIBS="-lgpm"])])
2360 case $host_os in #(vi
2362 # This is only necessary if you are linking against an obsolete
2363 # version of ncurses (but it should do no harm, since it's static).
2364 if test "$cf_nculib_root" = ncurses ; then
2365 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2370 CF_ADD_LIBS($cf_ncurses_LIBS)
2372 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2374 CF_ADD_LIBS(-l$cf_nculib_root)
2376 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2377 [#include <${cf_cv_ncurses_header:-curses.h}>],
2382 if test -n "$cf_ncurses_LIBS" ; then
2383 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2384 cf_ncurses_SAVE="$LIBS"
2385 for p in $cf_ncurses_LIBS ; do
2386 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2387 if test "$q" != "$LIBS" ; then
2391 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2392 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2393 [AC_MSG_RESULT(yes)],
2395 LIBS="$cf_ncurses_SAVE"])
2398 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2399 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2401 dnl ---------------------------------------------------------------------------
2402 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2403 dnl ------------------
2404 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2405 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2406 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2407 AC_DEFUN([CF_NCURSES_VERSION],
2409 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2410 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2411 cf_cv_ncurses_version=no
2415 #include <${cf_cv_ncurses_header:-curses.h}>
2419 FILE *fp = fopen("$cf_tempfile", "w");
2420 #ifdef NCURSES_VERSION
2421 # ifdef NCURSES_VERSION_PATCH
2422 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2424 fprintf(fp, "%s\n", NCURSES_VERSION);
2428 fprintf(fp, "old\n");
2433 ${cf_cv_main_return:-return}(0);
2435 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2437 # This will not work if the preprocessor splits the line after the
2438 # Autoconf token. The 'unproto' program does that.
2439 cat > conftest.$ac_ext <<EOF
2440 #include <${cf_cv_ncurses_header:-curses.h}>
2442 #ifdef NCURSES_VERSION
2443 Autoconf NCURSES_VERSION
2451 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2453 if test -f conftest.out ; then
2454 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2455 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2461 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2463 dnl ---------------------------------------------------------------------------
2464 dnl CF_OBJ_SUBDIR version: 6 updated: 2013/09/07 14:06:10
2466 dnl Compute the object-directory name from the given model name
2467 AC_DEFUN([CF_OBJ_SUBDIR],
2470 libtool) $2='obj_lo' ;;
2471 normal) $2='objects' ;;
2472 debug) $2='obj_g' ;;
2473 profile) $2='obj_p' ;;
2475 case $cf_cv_system_name in #(vi
2483 dnl ---------------------------------------------------------------------------
2484 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2486 dnl Provide a value for the $PATH and similar separator (or amend the value
2487 dnl as provided in autoconf 2.5x).
2488 AC_DEFUN([CF_PATHSEP],
2490 AC_MSG_CHECKING(for PATH separator)
2491 case $cf_cv_system_name in
2492 os2*) PATH_SEPARATOR=';' ;;
2493 *) ${PATH_SEPARATOR:=':'} ;;
2495 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2496 AC_SUBST(PATH_SEPARATOR)
2497 AC_MSG_RESULT($PATH_SEPARATOR)
2499 dnl ---------------------------------------------------------------------------
2500 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2502 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2503 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2504 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2505 dnl delayed evaluation of those symbols.
2506 AC_DEFUN([CF_PATH_SYNTAX],[
2507 if test "x$prefix" != xNONE; then
2508 cf_path_syntax="$prefix"
2510 cf_path_syntax="$ac_default_prefix"
2513 case ".[$]$1" in #(vi
2514 .\[$]\(*\)*|.\'*\'*) #(vi
2518 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2520 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2522 case ".[$]$1" in #(vi
2524 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2529 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2532 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2536 dnl ---------------------------------------------------------------------------
2537 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2539 dnl Check for the package-config program, unless disabled by command-line.
2540 AC_DEFUN([CF_PKG_CONFIG],
2542 AC_MSG_CHECKING(if you want to use pkg-config)
2543 AC_ARG_WITH(pkg-config,
2544 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2545 [cf_pkg_config=$withval],
2546 [cf_pkg_config=yes])
2547 AC_MSG_RESULT($cf_pkg_config)
2549 case $cf_pkg_config in #(vi
2554 CF_ACVERSION_CHECK(2.52,
2555 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2556 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2563 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2564 if test "$PKG_CONFIG" != none ; then
2565 CF_PATH_SYNTAX(PKG_CONFIG)
2568 AC_SUBST(PKG_CONFIG)
2570 dnl ---------------------------------------------------------------------------
2571 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2572 dnl -----------------
2573 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2575 dnl POSIX.1-1990 _POSIX_SOURCE
2576 dnl POSIX.1-1990 and _POSIX_SOURCE and
2577 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2579 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2580 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2581 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2584 dnl $1 is the nominal value for _POSIX_C_SOURCE
2585 AC_DEFUN([CF_POSIX_C_SOURCE],
2587 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2589 cf_save_CFLAGS="$CFLAGS"
2590 cf_save_CPPFLAGS="$CPPFLAGS"
2592 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2593 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2595 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2596 CF_MSG_LOG(if the symbol is already defined go no further)
2597 AC_TRY_COMPILE([#include <sys/types.h>],[
2598 #ifndef _POSIX_C_SOURCE
2601 [cf_cv_posix_c_source=no],
2602 [cf_want_posix_source=no
2603 case .$cf_POSIX_C_SOURCE in #(vi
2605 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2608 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2609 cf_want_posix_source=yes
2612 cf_want_posix_source=yes
2615 if test "$cf_want_posix_source" = yes ; then
2616 AC_TRY_COMPILE([#include <sys/types.h>],[
2617 #ifdef _POSIX_SOURCE
2620 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2622 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2623 CFLAGS="$cf_trim_CFLAGS"
2624 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2625 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2626 AC_TRY_COMPILE([#include <sys/types.h>],[
2627 #ifndef _POSIX_C_SOURCE
2630 [cf_cv_posix_c_source=no])
2631 CFLAGS="$cf_save_CFLAGS"
2632 CPPFLAGS="$cf_save_CPPFLAGS"
2636 if test "$cf_cv_posix_c_source" != no ; then
2637 CFLAGS="$cf_trim_CFLAGS"
2638 CPPFLAGS="$cf_trim_CPPFLAGS"
2639 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2643 dnl ---------------------------------------------------------------------------
2644 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2646 dnl Check for archiver "ar".
2647 AC_DEFUN([CF_PROG_AR],[
2648 AC_CHECK_TOOL(AR, ar, ar)
2650 dnl ---------------------------------------------------------------------------
2651 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2653 dnl Check for awk, ensure that the check found something.
2654 AC_DEFUN([CF_PROG_AWK],
2657 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2659 dnl ---------------------------------------------------------------------------
2660 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2662 dnl standard check for CC, plus followup sanity checks
2663 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2664 AC_DEFUN([CF_PROG_CC],[
2665 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2667 CF_ACVERSION_CHECK(2.52,
2672 dnl ---------------------------------------------------------------------------
2673 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2675 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2676 dnl the output file can be renamed, and allows for a shell variable that can
2677 dnl be used later. The parameter is either CC or CXX. The result is the
2679 dnl $cf_cv_prog_CC_c_o
2680 dnl $cf_cv_prog_CXX_c_o
2681 AC_DEFUN([CF_PROG_CC_C_O],
2682 [AC_REQUIRE([AC_PROG_CC])dnl
2683 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2684 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2686 cat > conftest.$ac_ext <<CF_EOF
2690 ${cf_cv_main_return:-return}(0);
2693 # We do the test twice because some compilers refuse to overwrite an
2694 # existing .o file with -o, though they will create one.
2695 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2696 if AC_TRY_EVAL(ac_try) &&
2697 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2699 eval cf_cv_prog_$1_c_o=yes
2701 eval cf_cv_prog_$1_c_o=no
2705 if test $cf_cv_prog_$1_c_o = yes; then
2706 AC_MSG_RESULT([yes])
2711 dnl ---------------------------------------------------------------------------
2712 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2714 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2715 dnl This macro adds a check to ensure the script found something.
2716 AC_DEFUN([CF_PROG_EGREP],
2717 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2718 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2719 then ac_cv_prog_egrep='grep -E'
2720 else ac_cv_prog_egrep='egrep'
2722 EGREP=$ac_cv_prog_egrep
2724 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2726 dnl ---------------------------------------------------------------------------
2727 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2729 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2730 AC_DEFUN([CF_PROG_EXT],
2732 AC_REQUIRE([CF_CHECK_CACHE])
2733 case $cf_cv_system_name in
2735 CFLAGS="$CFLAGS -Zmt"
2736 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2737 CXXFLAGS="$CXXFLAGS -Zmt"
2738 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2739 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2749 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2751 dnl ---------------------------------------------------------------------------
2752 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2754 dnl Check for gnatmake, ensure that it is complete.
2755 AC_DEFUN([CF_PROG_GNAT],[
2756 cf_ada_make=gnatmake
2757 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2758 if test "$ac_cv_prog_gnat_exists" = no; then
2760 cf_cv_prog_gnat_correct=no
2763 AC_CHECK_PROG(M4_exists, m4, yes, no)
2764 if test "$ac_cv_prog_M4_exists" = no; then
2765 cf_cv_prog_gnat_correct=no
2766 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2768 if test "$cf_cv_prog_gnat_correct" = yes; then
2769 AC_MSG_CHECKING(if GNAT works)
2770 CF_GNAT_TRY_RUN([procedure conftest;],
2773 procedure conftest is
2775 Text_IO.Put ("Hello World");
2777 GNAT.OS_Lib.OS_Exit (0);
2778 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2779 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2783 AC_SUBST(cf_ada_make)
2785 dnl ---------------------------------------------------------------------------
2786 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2788 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2789 dnl option if it is supported.
2790 AC_DEFUN([CF_PROG_LN_S],[
2792 AC_MSG_CHECKING(if $LN_S -f options work)
2794 rm -f conf$$.src conf$$dst
2796 echo first >conf$$.src
2797 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2802 rm -f conf$$.dst conf$$src
2803 AC_MSG_RESULT($cf_prog_ln_sf)
2805 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2807 dnl ---------------------------------------------------------------------------
2808 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2809 dnl ----------------
2810 dnl Remove all -U and -D options that refer to the given symbol from a list
2811 dnl of C compiler options. This works around the problem that not all
2812 dnl compilers process -U and -D options from left-to-right, so a -U option
2813 dnl cannot be used to cancel the effect of a preceding -D option.
2815 dnl $1 = target (which could be the same as the source variable)
2816 dnl $2 = source (including '$')
2817 dnl $3 = symbol to remove
2818 define([CF_REMOVE_DEFINE],
2821 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2822 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2824 dnl ---------------------------------------------------------------------------
2825 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2827 dnl Remove the given library from the symbol
2829 dnl $1 = target (which could be the same as the source variable)
2830 dnl $2 = source (including '$')
2831 dnl $3 = library to remove
2832 define([CF_REMOVE_LIB],
2834 # remove $3 library from $2
2835 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2837 dnl ---------------------------------------------------------------------------
2838 dnl CF_SHARED_OPTS version: 84 updated: 2013/11/03 06:26:10
2841 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2845 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2846 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2847 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2848 dnl shared library since that can lead to unexpected results at runtime.
2849 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2850 dnl libraries are compiled in ../../lib
2852 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2853 dnl to install symbolic links to the rel/abi versions of shared libraries.
2855 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2856 dnl version when making symbolic links.
2858 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2859 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2860 dnl (ex: libncurses.so.<ver>).
2862 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2863 AC_DEFUN([CF_SHARED_OPTS],
2865 AC_REQUIRE([CF_LD_RPATH_OPT])
2870 INSTALL_LIB="-m 644"
2871 : ${rel_builddir:=.}
2879 cf_cv_do_symlinks=no
2881 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2883 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2884 AC_ARG_WITH(shlib-version,
2885 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2886 [test -z "$withval" && withval=auto
2887 case $withval in #(vi
2889 cf_cv_shlib_version=auto
2891 rel|abi|auto|no) #(vi
2892 cf_cv_shlib_version=$withval
2895 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2898 ],[cf_cv_shlib_version=auto])
2899 AC_MSG_RESULT($cf_cv_shlib_version)
2904 # Some less-capable ports of gcc support only -fpic
2906 if test "$GCC" = yes
2908 AC_MSG_CHECKING(which $CC option to use)
2909 cf_save_CFLAGS="$CFLAGS"
2910 for CC_SHARED_OPTS in -fPIC -fpic ''
2912 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2913 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2915 AC_MSG_RESULT($CC_SHARED_OPTS)
2916 CFLAGS="$cf_save_CFLAGS"
2919 cf_cv_shlib_version_infix=no
2921 case $cf_cv_system_name in #(vi
2922 aix4.[3-9]*|aix[[5-7]]*) #(vi
2923 if test "$GCC" = yes; then
2925 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2927 # CC_SHARED_OPTS='-qpic=large -G'
2928 # perhaps "-bM:SRE -bnoentry -bexpall"
2929 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2933 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2937 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2938 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2939 cf_cv_shlib_version=cygdll
2940 cf_cv_shlib_version_infix=cygdll
2943 cat >mk_shared_lib.sh <<-CF_EOF
2946 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2949 Linking shared library
2950 ** SHARED_LIB \[$]SHARED_LIB
2951 ** IMPORT_LIB \[$]IMPORT_LIB
2953 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2955 chmod +x mk_shared_lib.sh
2959 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2960 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2961 cf_cv_shlib_version=msysdll
2962 cf_cv_shlib_version_infix=msysdll
2965 cat >mk_shared_lib.sh <<-CF_EOF
2968 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2971 Linking shared library
2972 ** SHARED_LIB \[$]SHARED_LIB
2973 ** IMPORT_LIB \[$]IMPORT_LIB
2975 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2977 chmod +x mk_shared_lib.sh
2980 cf_try_cflags="no-cpp-precomp"
2981 CC_SHARED_OPTS="-dynamic"
2982 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2983 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2984 cf_cv_shlib_version_infix=yes
2985 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
2986 cf_save_LDFLAGS=$LDFLAGS
2987 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2988 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
2989 LDFLAGS=$cf_save_LDFLAGS])
2990 if test $cf_cv_ldflags_search_paths_first = yes; then
2991 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2995 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
2996 if test "$GCC" != yes; then
2999 MK_SHARED_LIB='${LD} -b -o $[@]'
3000 INSTALL_LIB="-m 555"
3003 # (tested with gcc 2.7.2 -- I don't have c89)
3004 if test "$GCC" = yes; then
3005 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3008 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3010 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3011 # HP-UX shared libraries must be executable, and should be
3012 # readonly to exploit a quirk in the memory manager.
3013 INSTALL_LIB="-m 555"
3016 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3017 if test "$cf_cv_shlib_version" = rel; then
3018 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3020 cf_shared_soname='`basename $@`'
3023 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3026 if test "$cf_cv_enable_rpath" = yes ; then
3027 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3029 # tested with IRIX 5.2 and 'cc'.
3030 if test "$GCC" != yes; then
3031 CC_SHARED_OPTS='-KPIC'
3032 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3034 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3036 cf_cv_rm_so_locs=yes
3038 linux*|gnu*|k*bsd*-gnu) #(vi
3039 if test "$DFT_LWR_MODEL" = "shared" ; then
3040 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3041 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3043 if test "$cf_cv_enable_rpath" = yes ; then
3044 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3047 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3050 cf_cv_shlib_version=mingw
3051 cf_cv_shlib_version_infix=mingw
3054 if test "$DFT_LWR_MODEL" = "shared" ; then
3055 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3056 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3057 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3060 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3061 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3062 cat >mk_shared_lib.sh <<-CF_EOF
3065 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3068 Linking shared library
3069 ** SHARED_LIB \[$]SHARED_LIB
3070 ** IMPORT_LIB \[$]IMPORT_LIB
3072 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3074 chmod +x mk_shared_lib.sh
3076 openbsd[[2-9]].*|mirbsd*) #(vi
3077 if test "$DFT_LWR_MODEL" = "shared" ; then
3078 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3079 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3081 if test "$cf_cv_enable_rpath" = yes ; then
3082 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3084 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3086 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3088 nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3089 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3090 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3091 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3093 dragonfly*|freebsd*) #(vi
3094 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3095 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3096 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3097 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3098 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3101 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3104 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3105 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3106 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3107 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3108 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3109 if test "$cf_cv_shlib_version" = auto; then
3110 if test -f /usr/libexec/ld.elf_so; then
3111 cf_cv_shlib_version=abi
3113 cf_cv_shlib_version=rel
3117 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3119 MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3123 # tested with OSF/1 V3.2 and 'cc'
3124 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3125 # link with shared libs).
3126 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3127 case $host_os in #(vi
3129 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3132 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3133 if test "$DFT_LWR_MODEL" = "shared" ; then
3134 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3135 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3137 cf_cv_rm_so_locs=yes
3139 sco3.2v5*) # (also uw2* and UW7: hops 13-Apr-98
3140 # tested with osr5.0.5
3141 if test "$GCC" != yes; then
3142 CC_SHARED_OPTS='-belf -KPIC'
3144 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3145 if test "$cf_cv_enable_rpath" = yes ; then
3146 # only way is to set LD_RUN_PATH but no switch for it
3149 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3150 LINK_PROGS='LD_RUN_PATH=${libdir}'
3151 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3154 # tested with SunOS 4.1.1 and gcc 2.7.0
3155 if test "$GCC" != yes; then
3156 CC_SHARED_OPTS='-KPIC'
3158 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3159 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3162 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3163 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3164 if test "$DFT_LWR_MODEL" = "shared" ; then
3165 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3166 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3168 if test "$cf_cv_enable_rpath" = yes ; then
3169 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3172 if test "$GCC" != yes; then
3173 cf_save_CFLAGS="$CFLAGS"
3174 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3176 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3177 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3179 CFLAGS="$cf_save_CFLAGS"
3180 CC_SHARED_OPTS=$cf_shared_opts
3181 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3183 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3186 sysv5uw7*|unix_sv*) #(vi
3187 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3188 if test "$GCC" != yes; then
3189 CC_SHARED_OPTS='-KPIC'
3191 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3194 CC_SHARED_OPTS='unknown'
3195 MK_SHARED_LIB='echo unknown'
3199 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3200 case "$cf_cv_shlib_version" in #(vi
3202 case "$MK_SHARED_LIB" in #(vi
3204 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3207 AC_MSG_WARN(ignored --with-shlib-version)
3213 if test -n "$cf_try_cflags"
3215 cat > conftest.$ac_ext <<EOF
3216 #line __oline__ "${as_me:-configure}"
3218 int main(int argc, char *argv[[]])
3221 return (argv[[argc-1]] == 0) ;
3224 cf_save_CFLAGS="$CFLAGS"
3225 for cf_opt in $cf_try_cflags
3227 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3228 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3229 if AC_TRY_EVAL(ac_compile); then
3231 cf_save_CFLAGS="$CFLAGS"
3236 CFLAGS="$cf_save_CFLAGS"
3240 # RPATH_LIST is a colon-separated list of directories
3241 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3242 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3244 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3246 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3247 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3249 AC_SUBST(CC_SHARED_OPTS)
3250 AC_SUBST(LD_RPATH_OPT)
3251 AC_SUBST(LD_SHARED_OPTS)
3252 AC_SUBST(MK_SHARED_LIB)
3253 AC_SUBST(RM_SHARED_OPTS)
3255 AC_SUBST(LINK_PROGS)
3256 AC_SUBST(LINK_TESTS)
3258 AC_SUBST(EXTRA_LDFLAGS)
3259 AC_SUBST(LOCAL_LDFLAGS)
3260 AC_SUBST(LOCAL_LDFLAGS2)
3262 AC_SUBST(INSTALL_LIB)
3263 AC_SUBST(RPATH_LIST)
3265 dnl ---------------------------------------------------------------------------
3266 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3267 dnl ----------------
3268 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3269 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3272 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3273 dnl If missing, use "rel".
3274 define([CF_SHARED_SONAME],
3276 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3277 if test "$cf_cv_shlib_version" = rel; then
3278 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3280 cf_cv_shared_soname='`basename $[@]`'
3283 dnl ---------------------------------------------------------------------------
3284 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3286 dnl Remove "-g" option from the compiler options
3287 AC_DEFUN([CF_STRIP_G_OPT],
3288 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3289 dnl ---------------------------------------------------------------------------
3290 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3292 dnl Construct a search-list for a nonstandard header/lib-file
3293 dnl $1 = the variable to return as result
3294 dnl $2 = the package name
3295 dnl $3 = the subdirectory, e.g., bin, include or lib
3296 AC_DEFUN([CF_SUBDIR_PATH],
3300 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3301 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3302 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3303 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3304 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3306 dnl ---------------------------------------------------------------------------
3307 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3309 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3310 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3311 dnl but some packagers change this, breaking various applications.
3312 AC_DEFUN([CF_TERM_HEADER],[
3313 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3314 case ${cf_cv_ncurses_header} in #(vi
3315 */ncurses.h|*/ncursesw.h) #(vi
3316 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3319 cf_term_header=term.h
3323 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3325 AC_TRY_COMPILE([#include <stdio.h>
3326 #include <${cf_cv_ncurses_header:-curses.h}>
3328 ],[int x = auto_left_margin],[
3329 cf_cv_term_header="$cf_test"],[
3330 cf_cv_term_header=unknown
3332 test "$cf_cv_term_header" != unknown && break
3336 # Set definitions to allow ifdef'ing to accommodate subdirectories
3338 case $cf_cv_term_header in # (vi
3340 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3344 case $cf_cv_term_header in # (vi
3345 ncurses/term.h) #(vi
3346 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3349 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3353 dnl ---------------------------------------------------------------------------
3354 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3356 dnl Define a top_builddir symbol, for applications that need an absolute path.
3357 AC_DEFUN([CF_TOP_BUILDDIR],
3359 top_builddir=ifelse($1,,`pwd`,$1)
3360 AC_SUBST(top_builddir)
3362 dnl ---------------------------------------------------------------------------
3363 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3364 dnl -------------------
3365 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3366 dnl can define it successfully.
3367 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3368 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3372 #include <sys/types.h>
3374 #ifndef _XOPEN_SOURCE
3377 [cf_cv_xopen_source=no],
3378 [cf_save="$CPPFLAGS"
3379 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3383 #include <sys/types.h>
3385 #ifdef _XOPEN_SOURCE
3388 [cf_cv_xopen_source=no],
3389 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3394 if test "$cf_cv_xopen_source" != no ; then
3395 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3396 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3397 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3398 CF_ADD_CFLAGS($cf_temp_xopen_source)
3401 dnl ---------------------------------------------------------------------------
3402 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3404 dnl Make an uppercase version of a variable
3405 dnl $1=uppercase($2)
3406 AC_DEFUN([CF_UPPER],
3408 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3410 dnl ---------------------------------------------------------------------------
3411 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3413 dnl Check for multibyte support, and if not found, utf8 compatibility library
3414 AC_DEFUN([CF_UTF8_LIB],
3416 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3417 cf_save_LIBS="$LIBS"
3419 #include <stdlib.h>],[putwc(0,0);],
3420 [cf_cv_utf8_lib=yes],
3422 #include <libutf8.h>],[putwc(0,0);],utf8,
3423 [cf_cv_utf8_lib=add-on],
3424 [cf_cv_utf8_lib=no])
3427 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3429 if test "$cf_cv_utf8_lib" = "add-on" ; then
3430 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3431 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3432 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3433 CF_ADD_LIBS($cf_cv_library_file_utf8)
3436 dnl ---------------------------------------------------------------------------
3437 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3439 dnl Use AC_VERBOSE w/o the warnings
3440 AC_DEFUN([CF_VERBOSE],
3441 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3444 dnl ---------------------------------------------------------------------------
3445 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3447 dnl Check for compiler-support for weak symbols.
3448 dnl This works with "recent" gcc.
3449 AC_DEFUN([CF_WEAK_SYMBOLS],[
3450 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3453 #include <stdio.h>],
3455 #if defined(__GNUC__)
3456 # if defined __USE_ISOC99
3457 # define _cat_pragma(exp) _Pragma(#exp)
3458 # define _weak_pragma(exp) _cat_pragma(weak name)
3460 # define _weak_pragma(exp)
3462 # define _declare(name) __extension__ extern __typeof__(name) name
3463 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3467 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3470 dnl ---------------------------------------------------------------------------
3471 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3472 dnl --------------------
3473 dnl Command-line option to specify the Ada95 compiler.
3474 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3475 AC_MSG_CHECKING(for ada-compiler)
3476 AC_ARG_WITH(ada-compiler,
3477 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3478 [cf_ada_compiler=$withval],
3479 [cf_ada_compiler=gnatmake])
3480 AC_SUBST(cf_ada_compiler)
3481 AC_MSG_RESULT($cf_ada_compiler)
3483 dnl ---------------------------------------------------------------------------
3484 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3485 dnl -------------------
3486 dnl Command-line option to specify where Ada includes will install.
3487 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3488 AC_MSG_CHECKING(for ada-include)
3489 CF_WITH_PATH(ada-include,
3490 [ --with-ada-include=DIR Ada includes are in DIR],
3492 PREFIX/share/ada/adainclude,
3493 [$]prefix/share/ada/adainclude)
3494 AC_SUBST(ADA_INCLUDE)
3495 AC_MSG_RESULT($ADA_INCLUDE)
3497 dnl ---------------------------------------------------------------------------
3498 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3499 dnl -------------------
3500 dnl Command-line option to specify where Ada objects will install.
3501 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3502 AC_MSG_CHECKING(for ada-objects)
3503 CF_WITH_PATH(ada-objects,
3504 [ --with-ada-objects=DIR Ada objects are in DIR],
3506 PREFIX/lib/ada/adalib,
3507 [$]prefix/lib/ada/adalib)
3508 AC_SUBST(ADA_OBJECTS)
3509 AC_MSG_RESULT($ADA_OBJECTS)
3511 dnl ---------------------------------------------------------------------------
3512 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3513 dnl ---------------------
3514 dnl Command-line option to specify if an Ada95 shared-library should be built,
3515 dnl and optionally what its soname should be.
3516 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3517 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3518 AC_ARG_WITH(ada-sharedlib,
3519 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3520 [with_ada_sharedlib=$withval],
3521 [with_ada_sharedlib=no])
3522 AC_MSG_RESULT($with_ada_sharedlib)
3524 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3525 MAKE_ADA_SHAREDLIB="#"
3527 if test "x$with_ada_sharedlib" != xno
3530 if test "x$with_ada_sharedlib" != xyes
3532 ADA_SHAREDLIB="$with_ada_sharedlib"
3536 AC_SUBST(ADA_SHAREDLIB)
3537 AC_SUBST(MAKE_ADA_SHAREDLIB)
3539 dnl ---------------------------------------------------------------------------
3540 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3541 dnl ------------------
3542 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3544 AC_DEFUN([CF_WITH_CURSES_DIR],[
3546 AC_MSG_CHECKING(for specific curses-directory)
3547 AC_ARG_WITH(curses-dir,
3548 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3549 [cf_cv_curses_dir=$withval],
3550 [cf_cv_curses_dir=no])
3551 AC_MSG_RESULT($cf_cv_curses_dir)
3553 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3555 CF_PATH_SYNTAX(withval)
3556 if test -d "$cf_cv_curses_dir"
3558 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3559 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3563 dnl ---------------------------------------------------------------------------
3564 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3565 dnl ------------------
3566 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3567 dnl "lib" prefix, e.g., because it used the dll naming convention.
3569 dnl $1 = variable to set
3570 AC_DEFUN([CF_WITH_LIB_PREFIX],
3572 AC_MSG_CHECKING(if you want to have a library-prefix)
3573 AC_ARG_WITH(lib-prefix,
3574 [ --with-lib-prefix override library-prefix],
3575 [with_lib_prefix=$withval],
3576 [with_lib_prefix=auto])
3577 AC_MSG_RESULT($with_lib_prefix)
3579 if test $with_lib_prefix = auto
3582 elif test $with_lib_prefix = no
3586 LIB_PREFIX=$with_lib_prefix
3589 dnl ---------------------------------------------------------------------------
3590 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3592 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3593 dnl defaulting to yes/no.
3595 dnl $1 = option name
3597 dnl $3 = environment variable to set
3598 dnl $4 = default value, shown in the help-message, must be a constant
3599 dnl $5 = default value, if it's an expression & cannot be in the help-message
3601 AC_DEFUN([CF_WITH_PATH],
3602 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3603 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3604 if ifelse([$5],,true,[test -n "$5"]) ; then
3605 CF_PATH_SYNTAX(withval)
3610 dnl ---------------------------------------------------------------------------
3611 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
3612 dnl -------------------------
3613 dnl Allow the choice of the pkg-config library directory to be overridden.
3614 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3615 if test "$PKG_CONFIG" != none ; then
3616 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3617 AC_ARG_WITH(pkg-config-libdir,
3618 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3619 [PKG_CONFIG_LIBDIR=$withval],
3620 [PKG_CONFIG_LIBDIR=yes])
3622 case x$PKG_CONFIG_LIBDIR in #(vi
3626 # look for the library directory using the same prefix as the executable
3627 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3628 case x`(arch) 2>/dev/null` in #(vi
3630 for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3632 if test -d $cf_config/pkgconfig
3634 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3640 PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3648 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3651 AC_SUBST(PKG_CONFIG_LIBDIR)
3653 dnl ---------------------------------------------------------------------------
3654 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3656 dnl Check for POSIX thread library.
3657 AC_DEFUN([CF_WITH_PTHREAD],
3659 AC_MSG_CHECKING(if you want to link with the pthread library)
3660 AC_ARG_WITH(pthread,
3661 [ --with-pthread use POSIX thread library],
3662 [with_pthread=$withval],
3664 AC_MSG_RESULT($with_pthread)
3666 if test "$with_pthread" != no ; then
3667 AC_CHECK_HEADER(pthread.h,[
3668 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3670 for cf_lib_pthread in pthread c_r
3672 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3673 cf_save_LIBS="$LIBS"
3674 CF_ADD_LIB($cf_lib_pthread)
3676 #include <pthread.h>
3678 int rc = pthread_create(0,0,0,0);
3679 int r2 = pthread_mutexattr_settype(0, 0);
3680 ],[with_pthread=yes],[with_pthread=no])
3681 LIBS="$cf_save_LIBS"
3682 AC_MSG_RESULT($with_pthread)
3683 test "$with_pthread" = yes && break
3686 if test "$with_pthread" = yes ; then
3687 CF_ADD_LIB($cf_lib_pthread)
3688 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3690 AC_MSG_ERROR(Cannot link with pthread library)
3695 dnl ---------------------------------------------------------------------------
3696 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3698 dnl For testing, override the derived host system-type which is used to decide
3699 dnl things such as the linker commands used to build shared libraries. This is
3700 dnl normally chosen automatically based on the type of system which you are
3701 dnl building on. We use it for testing the configure script.
3703 dnl This is different from the --host option: it is used only for testing parts
3704 dnl of the configure script which would not be reachable with --host since that
3705 dnl relies on the build environment being real, rather than mocked up.
3706 AC_DEFUN([CF_WITH_SYSTYPE],[
3707 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3708 AC_ARG_WITH(system-type,
3709 [ --with-system-type=XXX test: override derived host system-type],
3710 [AC_MSG_WARN(overriding system type to $withval)
3711 cf_cv_system_name=$withval
3715 dnl ---------------------------------------------------------------------------
3716 dnl CF_XOPEN_SOURCE version: 46 updated: 2014/02/09 19:30:15
3718 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3719 dnl or adapt to the vendor's definitions to get equivalent functionality,
3720 dnl without losing the common non-POSIX features.
3723 dnl $1 is the nominal value for _XOPEN_SOURCE
3724 dnl $2 is the nominal value for _POSIX_C_SOURCE
3725 AC_DEFUN([CF_XOPEN_SOURCE],[
3726 AC_REQUIRE([AC_CANONICAL_HOST])
3728 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3729 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3732 case $host_os in #(vi
3734 cf_xopen_source="-D_ALL_SOURCE"
3739 darwin[[0-8]].*) #(vi
3740 cf_xopen_source="-D_APPLE_C_SOURCE"
3743 cf_xopen_source="-D_DARWIN_C_SOURCE"
3746 freebsd*|dragonfly*) #(vi
3747 # 5.x headers associate
3748 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3749 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3750 cf_POSIX_C_SOURCE=200112L
3752 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3755 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3758 cf_xopen_source="-D_HPUX_SOURCE"
3761 cf_xopen_source="-D_SGI_SOURCE"
3764 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3768 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3770 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3773 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3775 openbsd[[4-9]]*) #(vi
3776 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3777 cf_xopen_source="-D_BSD_SOURCE"
3781 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3784 cf_xopen_source="-D_OSF_SOURCE"
3787 cf_xopen_source="-D_QNX_SOURCE"
3790 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3793 cf_xopen_source="-D__EXTENSIONS__"
3794 cf_cv_xopen_source=broken
3798 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3802 if test -n "$cf_xopen_source" ; then
3803 CF_ADD_CFLAGS($cf_xopen_source)
3806 dnl In anything but the default case, we may have system-specific setting
3807 dnl which is still not guaranteed to provide all of the entrypoints that
3808 dnl _XOPEN_SOURCE would yield.
3809 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3810 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3811 AC_TRY_COMPILE([#include <stdlib.h>],[
3812 #ifndef _XOPEN_SOURCE
3815 [cf_XOPEN_SOURCE_set=yes],
3816 [cf_XOPEN_SOURCE_set=no])
3817 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3818 if test $cf_XOPEN_SOURCE_set = yes
3820 AC_TRY_COMPILE([#include <stdlib.h>],[
3821 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3824 [cf_XOPEN_SOURCE_set_ok=yes],
3825 [cf_XOPEN_SOURCE_set_ok=no])
3826 if test $cf_XOPEN_SOURCE_set_ok = no
3828 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)