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 1.79 2014/04/12 22:30:34 tom Exp $
32 dnl Macros used in NCURSES Ada95 auto-configuration script.
34 dnl These macros are maintained separately from NCURSES. The copyright on
35 dnl this file applies to the aggregation of macros and does not affect use of
36 dnl these macros in other applications.
38 dnl See http://invisible-island.net/autoconf/ for additional information.
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl CF_ACVERSION_CHECK version: 4 updated: 2013/03/04 19:52:56
43 dnl ------------------
44 dnl Conditionally generate script according to whether we're using a given autoconf.
46 dnl $1 = version to compare against
47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
48 dnl $3 = code to use if AC_ACVERSION is older than $1.
49 define([CF_ACVERSION_CHECK],
51 ifdef([AC_ACVERSION], ,[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])dnl
52 ifdef([m4_version_compare],
53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
54 [CF_ACVERSION_COMPARE(
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
57 dnl ---------------------------------------------------------------------------
58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
59 dnl --------------------
60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
61 dnl MAJOR2, MINOR2, TERNARY2,
62 dnl PRINTABLE2, not FOUND, FOUND)
63 define([CF_ACVERSION_COMPARE],
64 [ifelse(builtin([eval], [$2 < $5]), 1,
65 [ifelse([$8], , ,[$8])],
66 [ifelse([$9], , ,[$9])])])dnl
67 dnl ---------------------------------------------------------------------------
68 dnl CF_ADA_INCLUDE_DIRS version: 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: 1 updated: 2010/06/02 05:03:05
291 dnl Add one or more libraries, used to enforce consistency.
293 dnl $1 = libraries to add, with the "-l", etc.
294 dnl $2 = variable to update (default $LIBS)
295 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
296 dnl ---------------------------------------------------------------------------
297 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
298 dnl ------------------
299 dnl Append to a search-list for a nonstandard header/lib-file
300 dnl $1 = the variable to return as result
301 dnl $2 = the package name
302 dnl $3 = the subdirectory, e.g., bin, include or lib
303 dnl $4 = the directory under which we will test for subdirectories
304 dnl $5 = a directory that we do not want $4 to match
305 AC_DEFUN([CF_ADD_SUBDIR_PATH],
307 test "x$4" != "x$5" && \
309 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
310 test -n "$verbose" && echo " ... testing for $3-directories under $4"
311 test -d $4/$3 && $1="[$]$1 $4/$3"
312 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
313 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
314 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
315 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
318 dnl ---------------------------------------------------------------------------
319 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
321 dnl Allow user to disable a normally-on option.
322 AC_DEFUN([CF_ARG_DISABLE],
323 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
324 dnl ---------------------------------------------------------------------------
325 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
327 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
333 dnl $3 = action to perform if option is not default
334 dnl $4 = action if perform if option is default
335 dnl $5 = default option value (either 'yes' or 'no')
336 AC_DEFUN([CF_ARG_OPTION],
337 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
338 if test "$enableval" != "$5" ; then
340 ,[ $3]) ifelse([$4],,,[
343 fi],[enableval=$5 ifelse([$4],,,[
347 dnl ---------------------------------------------------------------------------
348 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
350 dnl Check for suitable "ar" (archiver) options for updating an archive.
351 AC_DEFUN([CF_AR_FLAGS],[
352 AC_REQUIRE([CF_PROG_AR])
354 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
355 cf_cv_ar_flags=unknown
356 for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
359 # check if $ARFLAGS already contains this choice
360 if test "x$ARFLAGS" != "x" ; then
361 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
362 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
368 rm -f conftest.$ac_cv_objext
371 cat >conftest.$ac_ext <<EOF
372 #line __oline__ "configure"
373 int testdata[[3]] = { 123, 456, 789 };
375 if AC_TRY_EVAL(ac_compile) ; then
376 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
377 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
378 if test -f conftest.a ; then
379 cf_cv_ar_flags=$cf_ar_flags
383 CF_VERBOSE(cannot compile test-program)
387 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
390 if test -n "$ARFLAGS" ; then
391 if test -n "$cf_cv_ar_flags" ; then
392 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
395 ARFLAGS=$cf_cv_ar_flags
400 dnl ---------------------------------------------------------------------------
401 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
403 dnl If we're cross-compiling, allow the user to override the tools and their
404 dnl options. The configure script is oriented toward identifying the host
405 dnl compiler, etc., but we need a build compiler to generate parts of the
408 dnl $1 = default for $CPPFLAGS
409 dnl $2 = default for $LIBS
410 AC_DEFUN([CF_BUILD_CC],[
411 CF_ACVERSION_CHECK(2.52,,
412 [AC_REQUIRE([CF_PROG_EXT])])
413 if test "$cross_compiling" = yes ; then
415 # defaults that we might want to override
416 : ${BUILD_CFLAGS:=''}
417 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
418 : ${BUILD_LDFLAGS:=''}
419 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
420 : ${BUILD_EXEEXT:='$x'}
421 : ${BUILD_OBJEXT:='o'}
423 AC_ARG_WITH(build-cc,
424 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
425 [BUILD_CC="$withval"],
426 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
427 AC_MSG_CHECKING(for native build C compiler)
428 AC_MSG_RESULT($BUILD_CC)
430 AC_MSG_CHECKING(for native build C preprocessor)
431 AC_ARG_WITH(build-cpp,
432 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
433 [BUILD_CPP="$withval"],
434 [BUILD_CPP='${BUILD_CC} -E'])
435 AC_MSG_RESULT($BUILD_CPP)
437 AC_MSG_CHECKING(for native build C flags)
438 AC_ARG_WITH(build-cflags,
439 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
440 [BUILD_CFLAGS="$withval"])
441 AC_MSG_RESULT($BUILD_CFLAGS)
443 AC_MSG_CHECKING(for native build C preprocessor-flags)
444 AC_ARG_WITH(build-cppflags,
445 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
446 [BUILD_CPPFLAGS="$withval"])
447 AC_MSG_RESULT($BUILD_CPPFLAGS)
449 AC_MSG_CHECKING(for native build linker-flags)
450 AC_ARG_WITH(build-ldflags,
451 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
452 [BUILD_LDFLAGS="$withval"])
453 AC_MSG_RESULT($BUILD_LDFLAGS)
455 AC_MSG_CHECKING(for native build linker-libraries)
456 AC_ARG_WITH(build-libs,
457 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
458 [BUILD_LIBS="$withval"])
459 AC_MSG_RESULT($BUILD_LIBS)
461 # this assumes we're on Unix.
465 : ${BUILD_CC:='${CC}'}
467 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
468 AC_MSG_ERROR([Cross-build requires two compilers.
469 Use --with-build-cc to specify the native compiler.])
473 : ${BUILD_CC:='${CC}'}
474 : ${BUILD_CPP:='${CPP}'}
475 : ${BUILD_CFLAGS:='${CFLAGS}'}
476 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
477 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
478 : ${BUILD_LIBS:='${LIBS}'}
479 : ${BUILD_EXEEXT:='$x'}
480 : ${BUILD_OBJEXT:='o'}
485 AC_SUBST(BUILD_CFLAGS)
486 AC_SUBST(BUILD_CPPFLAGS)
487 AC_SUBST(BUILD_LDFLAGS)
489 AC_SUBST(BUILD_EXEEXT)
490 AC_SUBST(BUILD_OBJEXT)
492 dnl ---------------------------------------------------------------------------
493 dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
495 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
496 dnl into CC. This will not help with broken scripts that wrap the compiler with
497 dnl options, but eliminates a more common category of user confusion.
498 AC_DEFUN([CF_CC_ENV_FLAGS],
500 # This should have been defined by AC_PROG_CC
503 AC_MSG_CHECKING(\$CC variable)
506 AC_MSG_RESULT(broken)
507 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
509 cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'`
510 CC=`echo "$CC" | sed -e 's/[[ ]].*//'`
511 CF_ADD_CFLAGS($cf_flags)
518 dnl ---------------------------------------------------------------------------
519 dnl CF_CFG_DEFAULTS version: 10 updated: 2013/09/07 13:54:05
521 dnl Determine the default configuration into which we'll install ncurses. This
522 dnl can be overridden by the user's command-line options. There's two items to
524 dnl 1. the prefix (e.g., /usr)
525 dnl 2. the header files (e.g., /usr/include/ncurses)
526 dnl We'll look for a previous installation of ncurses and use the same defaults.
528 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
529 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
530 dnl programs from a vendor's.
531 AC_DEFUN([CF_CFG_DEFAULTS],
533 AC_MSG_CHECKING(for prefix)
534 if test "x$prefix" = "xNONE" ; then
535 case "$cf_cv_system_name" in
536 # non-vendor systems don't have a conflict
537 openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
540 *) prefix=$ac_default_prefix
544 AC_MSG_RESULT($prefix)
546 if test "x$prefix" = "xNONE" ; then
547 AC_MSG_CHECKING(for default include-directory)
548 test -n "$verbose" && echo 1>&AC_FD_MSG
551 $includedir/ncurses \
553 $prefix/include/ncurses \
555 /usr/local/include/ncurses \
559 cf_dir=`eval echo $cf_symbol`
560 if test -f $cf_dir/curses.h ; then
561 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
562 includedir="$cf_symbol"
563 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
567 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
569 AC_MSG_RESULT($includedir)
572 dnl ---------------------------------------------------------------------------
573 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
575 dnl Check if we're accidentally using a cache from a different machine.
576 dnl Derive the system name, as a check for reusing the autoconf cache.
578 dnl If we've packaged config.guess and config.sub, run that (since it does a
579 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
580 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
581 dnl which is useful in cross-compiles.
583 dnl Note: we would use $ac_config_sub, but that is one of the places where
584 dnl autoconf 2.5x broke compatibility with autoconf 2.13
585 AC_DEFUN([CF_CHECK_CACHE],
587 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
588 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
589 system_name="$host_os"
591 system_name="`(uname -s -r) 2>/dev/null`"
592 if test -z "$system_name" ; then
593 system_name="`(hostname) 2>/dev/null`"
596 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
597 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
599 test -z "$system_name" && system_name="$cf_cv_system_name"
600 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
602 if test ".$system_name" != ".$cf_cv_system_name" ; then
603 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
604 AC_MSG_ERROR("Please remove config.cache and try again.")
607 dnl ---------------------------------------------------------------------------
608 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
609 dnl -----------------
610 dnl Check if the given compiler is really clang. clang's C driver defines
611 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
612 dnl not ignore some gcc options.
614 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
615 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
616 dnl the wrappers for gcc and g++ warnings.
618 dnl $1 = GCC (default) or GXX
619 dnl $2 = CLANG_COMPILER (default)
620 dnl $3 = CFLAGS (default) or CXXFLAGS
621 AC_DEFUN([CF_CLANG_COMPILER],[
622 ifelse([$2],,CLANG_COMPILER,[$2])=no
624 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
625 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
626 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
627 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
633 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
634 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
636 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
637 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
640 dnl ---------------------------------------------------------------------------
641 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
643 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
644 dnl variations of ncurses' installs.
646 dnl $1 = ncurses when looking for ncurses, or is empty
647 AC_DEFUN([CF_CURSES_HEADER],[
648 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
649 cf_cv_ncurses_header=none
650 for cf_header in ifelse($1,,,[ \
654 curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
656 AC_TRY_COMPILE([#include <${cf_header}>],
657 [initscr(); tgoto("?", 0,0)],
658 [cf_cv_ncurses_header=$cf_header; break],[])
662 if test "$cf_cv_ncurses_header" = none ; then
663 AC_MSG_ERROR(No curses header-files found)
666 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
667 AC_CHECK_HEADERS($cf_cv_ncurses_header)
669 dnl ---------------------------------------------------------------------------
670 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
672 dnl "dirname" is not portable, so we fake it with a shell script.
673 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
674 dnl ---------------------------------------------------------------------------
675 dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
677 dnl You can always use "make -n" to see the actual options, but it's hard to
678 dnl pick out/analyze warning messages when the compile-line is long.
681 dnl ECHO_LT - symbol to control if libtool is verbose
682 dnl ECHO_LD - symbol to prefix "cc -o" lines
683 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
684 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
685 dnl ECHO_CC - symbol to put before any "cc" line
687 AC_DEFUN([CF_DISABLE_ECHO],[
688 AC_MSG_CHECKING(if you want to see long compiling messages)
690 [ --disable-echo do not display "compiling" commands],
693 ECHO_LD='@echo linking [$]@;'
694 RULE_CC='@echo compiling [$]<'
695 SHOW_CC='@echo compiling [$]@'
704 AC_MSG_RESULT($enableval)
711 dnl ---------------------------------------------------------------------------
712 dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
713 dnl ------------------
714 dnl This is the "--enable-pc-files" option, which is available if there is a
715 dnl pkg-config configuration on the local machine.
716 AC_DEFUN([CF_ENABLE_PC_FILES],[
717 AC_REQUIRE([CF_PKG_CONFIG])
718 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
720 if test "$PKG_CONFIG" != none ; then
721 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
722 AC_ARG_ENABLE(pc-files,
723 [ --enable-pc-files generate and install .pc files for pkg-config],
724 [enable_pc_files=$enableval],
725 [enable_pc_files=no])
726 AC_MSG_RESULT($enable_pc_files)
727 if test "$enable_pc_files" != no
729 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
735 dnl ---------------------------------------------------------------------------
736 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
738 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
739 dnl prefer a standard location, and use -L options only if we do not find the
740 dnl library in the standard library location(s).
741 dnl $1 = library name
742 dnl $2 = library class, usually the same as library name
744 dnl $4 = code fragment to compile/link
745 dnl $5 = corresponding function-name
746 dnl $6 = flag, nonnull if failure should not cause an error-exit
748 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
749 dnl to use a -L option.
750 AC_DEFUN([CF_FIND_LIBRARY],
752 eval 'cf_cv_have_lib_'$1'=no'
755 eval 'cf_cv_have_lib_'$1'=yes',[
757 AC_MSG_CHECKING(for $5 in -l$1)
759 AC_TRY_LINK([$3],[$4],
761 eval 'cf_cv_have_lib_'$1'=yes'
764 CF_LIBRARY_PATH(cf_search,$2)
765 for cf_libdir in $cf_search
767 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
768 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
769 AC_TRY_LINK([$3],[$4],
771 eval 'cf_cv_have_lib_'$1'=yes'
774 LIBS="$cf_save_LIBS"])
778 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
780 if test $cf_found_library = no ; then
781 AC_MSG_ERROR(Cannot link $1 library)
785 dnl ---------------------------------------------------------------------------
786 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
788 dnl Find a library (specifically the linkage used in the code fragment),
789 dnl searching for it if it is not already in the library path.
790 dnl See also CF_ADD_SEARCHPATH.
792 dnl Parameters (4-on are optional):
793 dnl $1 = headers for library entrypoint
794 dnl $2 = code fragment for library entrypoint
795 dnl $3 = the library name without the "-l" option or ".so" suffix.
796 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
797 dnl $5 = action to perform if not successful
798 dnl $6 = module name, if not the same as the library name
799 dnl $7 = extra libraries
801 dnl Sets these variables:
802 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
803 dnl $cf_cv_header_path_$3 - include-directory if needed
804 dnl $cf_cv_library_path_$3 - library-directory if needed
805 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
806 AC_DEFUN([CF_FIND_LINKAGE],[
808 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
809 # will be set on completion of the AC_TRY_LINK below.
810 cf_cv_header_path_$3=
811 cf_cv_library_path_$3=
813 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
817 AC_TRY_LINK([$1],[$2],[
818 cf_cv_find_linkage_$3=yes
819 cf_cv_header_path_$3=/usr/include
820 cf_cv_library_path_$3=/usr/lib
823 LIBS="-l$3 $7 $cf_save_LIBS"
825 AC_TRY_LINK([$1],[$2],[
826 cf_cv_find_linkage_$3=yes
827 cf_cv_header_path_$3=/usr/include
828 cf_cv_library_path_$3=/usr/lib
829 cf_cv_library_file_$3="-l$3"
831 cf_cv_find_linkage_$3=no
834 CF_VERBOSE(find linkage for $3 library)
835 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
837 cf_save_CPPFLAGS="$CPPFLAGS"
838 cf_test_CPPFLAGS="$CPPFLAGS"
840 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
841 for cf_cv_header_path_$3 in $cf_search
843 if test -d $cf_cv_header_path_$3 ; then
844 CF_VERBOSE(... testing $cf_cv_header_path_$3)
845 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
846 AC_TRY_COMPILE([$1],[$2],[
847 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
848 cf_cv_find_linkage_$3=maybe
849 cf_test_CPPFLAGS="$CPPFLAGS"
851 CPPFLAGS="$cf_save_CPPFLAGS"
856 if test "$cf_cv_find_linkage_$3" = maybe ; then
858 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
861 cf_save_LDFLAGS="$LDFLAGS"
864 CPPFLAGS="$cf_test_CPPFLAGS"
865 LIBS="-l$3 $7 $cf_save_LIBS"
866 AC_TRY_LINK([$1],[$2],[
867 CF_VERBOSE(... found $3 library in system)
868 cf_cv_find_linkage_$3=yes])
869 CPPFLAGS="$cf_save_CPPFLAGS"
873 if test "$cf_cv_find_linkage_$3" != yes ; then
874 CF_LIBRARY_PATH(cf_search,$3)
875 for cf_cv_library_path_$3 in $cf_search
877 if test -d $cf_cv_library_path_$3 ; then
878 CF_VERBOSE(... testing $cf_cv_library_path_$3)
879 CPPFLAGS="$cf_test_CPPFLAGS"
880 LIBS="-l$3 $7 $cf_save_LIBS"
881 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
882 AC_TRY_LINK([$1],[$2],[
883 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
884 cf_cv_find_linkage_$3=yes
885 cf_cv_library_file_$3="-l$3"
887 CPPFLAGS="$cf_save_CPPFLAGS"
889 LDFLAGS="$cf_save_LDFLAGS"
893 CPPFLAGS="$cf_save_CPPFLAGS"
894 LDFLAGS="$cf_save_LDFLAGS"
898 cf_cv_find_linkage_$3=no
905 if test "$cf_cv_find_linkage_$3" = yes ; then
907 CF_ADD_INCDIR($cf_cv_header_path_$3)
908 CF_ADD_LIBDIR($cf_cv_library_path_$3)
912 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
915 dnl ---------------------------------------------------------------------------
916 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
917 dnl -----------------
918 dnl make ADAFLAGS consistent with CFLAGS
919 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
920 AC_MSG_CHECKING(optimization options for ADAFLAGS)
928 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
929 CF_ADD_ADAFLAGS($cf_O_flag)
932 AC_MSG_RESULT($ADAFLAGS)
934 dnl ---------------------------------------------------------------------------
935 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
936 dnl -----------------
937 dnl Test for availability of useful gcc __attribute__ directives to quiet
938 dnl compiler warnings. Though useful, not all are supported -- and contrary
939 dnl to documentation, unrecognized directives cause older compilers to barf.
940 AC_DEFUN([CF_GCC_ATTRIBUTES],
944 cat > conftest.i <<EOF
952 #define GCC_NORETURN /* nothing */
955 #define GCC_UNUSED /* nothing */
960 AC_CHECKING([for $CC __attribute__ directives])
961 cat > conftest.$ac_ext <<EOF
962 #line __oline__ "${as_me:-configure}"
963 #include "confdefs.h"
964 #include "conftest.h"
965 #include "conftest.i"
967 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
969 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
972 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
974 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
976 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
977 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
978 extern void foo(void) GCC_NORETURN;
979 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
981 cf_printf_attribute=no
982 cf_scanf_attribute=no
983 for cf_attribute in scanf printf unused noreturn
985 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
986 cf_directive="__attribute__(($cf_attribute))"
987 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
989 case $cf_attribute in #(vi
991 cf_printf_attribute=yes
992 cat >conftest.h <<EOF
993 #define GCC_$cf_ATTRIBUTE 1
997 cf_scanf_attribute=yes
998 cat >conftest.h <<EOF
999 #define GCC_$cf_ATTRIBUTE 1
1003 cat >conftest.h <<EOF
1004 #define GCC_$cf_ATTRIBUTE $cf_directive
1009 if AC_TRY_EVAL(ac_compile); then
1010 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1011 cat conftest.h >>confdefs.h
1012 case $cf_attribute in #(vi
1014 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1017 cf_value='/* nothing */'
1018 if test "$cf_printf_attribute" != no ; then
1019 cf_value='__attribute__((format(printf,fmt,var)))'
1020 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1022 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1025 cf_value='/* nothing */'
1026 if test "$cf_scanf_attribute" != no ; then
1027 cf_value='__attribute__((format(scanf,fmt,var)))'
1028 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1030 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1033 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1039 fgrep define conftest.i >>confdefs.h
1044 dnl ---------------------------------------------------------------------------
1045 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1047 dnl Find version of gcc
1048 AC_DEFUN([CF_GCC_VERSION],[
1049 AC_REQUIRE([AC_PROG_CC])
1051 if test "$GCC" = yes ; then
1052 AC_MSG_CHECKING(version of $CC)
1053 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1054 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1055 AC_MSG_RESULT($GCC_VERSION)
1058 dnl ---------------------------------------------------------------------------
1059 dnl CF_GCC_WARNINGS version: 31 updated: 2013/11/19 19:23:35
1061 dnl Check if the compiler supports useful warning options. There's a few that
1062 dnl we don't use, simply because they're too noisy:
1064 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1065 dnl -Wredundant-decls (system headers make this too noisy)
1066 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1067 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1068 dnl is enabled for ncurses using "--enable-const".
1072 dnl $1 is an optional list of gcc warning flags that a particular
1073 dnl application might want to use, e.g., "no-unused" for
1076 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1078 AC_DEFUN([CF_GCC_WARNINGS],
1080 AC_REQUIRE([CF_GCC_VERSION])
1081 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1082 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1084 cat > conftest.$ac_ext <<EOF
1085 #line __oline__ "${as_me:-configure}"
1086 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1089 if test "$INTEL_COMPILER" = yes
1091 # The "-wdXXX" options suppress warnings:
1092 # remark #1419: external declaration in primary source file
1093 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1094 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1095 # remark #193: zero used for undefined preprocessing identifier
1096 # remark #593: variable "curs_sb_left_arrow" was set but never used
1097 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1098 # remark #869: parameter "tw" was never referenced
1099 # remark #981: operands are evaluated in unspecified order
1100 # warning #279: controlling expression is constant
1102 AC_CHECKING([for $CC warning options])
1103 cf_save_CFLAGS="$CFLAGS"
1104 EXTRA_CFLAGS="-Wall"
1116 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1117 if AC_TRY_EVAL(ac_compile); then
1118 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1119 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1122 CFLAGS="$cf_save_CFLAGS"
1124 elif test "$GCC" = yes
1126 AC_CHECKING([for $CC warning options])
1127 cf_save_CFLAGS="$CFLAGS"
1130 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1131 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1132 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1133 for cf_opt in W Wall \
1134 Wbad-function-cast \
1137 Wdeclaration-after-statement \
1140 Wmissing-declarations \
1141 Wmissing-prototypes \
1145 Wstrict-prototypes \
1146 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1148 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1149 if AC_TRY_EVAL(ac_compile); then
1150 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1151 case $cf_opt in #(vi
1153 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1156 case $GCC_VERSION in
1158 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1162 Wpointer-arith) #(vi
1163 case $GCC_VERSION in
1165 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1170 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1173 CFLAGS="$cf_save_CFLAGS"
1177 AC_SUBST(EXTRA_CFLAGS)
1179 dnl ---------------------------------------------------------------------------
1180 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1181 dnl ----------------
1182 AC_DEFUN([CF_GNAT_GENERICS],
1184 AC_REQUIRE([CF_GNAT_VERSION])
1186 AC_MSG_CHECKING(if GNAT supports generics)
1187 case $cf_gnat_version in #(vi
1188 3.[[1-9]]*|[[4-9]].*) #(vi
1189 cf_gnat_generics=yes
1195 AC_MSG_RESULT($cf_gnat_generics)
1197 if test "$cf_gnat_generics" = yes
1199 cf_compile_generics=generics
1200 cf_generic_objects="\${GENOBJS}"
1202 cf_compile_generics=
1206 AC_SUBST(cf_compile_generics)
1207 AC_SUBST(cf_generic_objects)
1209 dnl ---------------------------------------------------------------------------
1210 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
1211 dnl --------------------
1212 dnl Check if the gnat pragma "Unreferenced" works.
1213 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
1214 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
1215 CF_GNAT_TRY_LINK([procedure conftest;],
1218 procedure conftest is
1220 pragma Unreferenced (test);
1223 Text_IO.Put ("Hello World");
1225 GNAT.OS_Lib.OS_Exit (0);
1227 [cf_cv_pragma_unreferenced=yes],
1228 [cf_cv_pragma_unreferenced=no])])
1230 # if the pragma is supported, use it (needed in the Trace code).
1231 if test $cf_cv_pragma_unreferenced = yes ; then
1236 AC_SUBST(PRAGMA_UNREF)
1238 dnl ---------------------------------------------------------------------------
1239 dnl CF_GNAT_PROJECTS version: 4 updated: 2013/09/07 14:05:46
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])
1247 cf_gnat_libraries=no
1250 AC_MSG_CHECKING(if GNAT supports project files)
1251 case $cf_gnat_version in #(vi
1255 case $cf_cv_system_name in #(vi
1259 mkdir conftest.src conftest.bin conftest.lib
1261 rm -rf conftest* *~conftest*
1262 cat >>library.gpr <<CF_EOF
1264 Kind := External ("LIB_KIND");
1265 for Library_Name use "ConfTest";
1266 for Object_Dir use ".";
1267 for Library_ALI_Dir use External("LIBRARY_DIR");
1268 for Library_Version use External ("SONAME");
1269 for Library_Kind use Kind;
1270 for Library_Dir use External("BUILD_DIR");
1271 Source_Dir := External ("SOURCE_DIR");
1272 for Source_Dirs use (Source_Dir);
1274 for Default_Switches ("Ada") use
1278 "-gnatVa", -- All validity checks
1279 "-gnatwa"); -- Activate all optional errors
1283 cat >>confpackage.ads <<CF_EOF
1284 package ConfPackage is
1288 cat >>confpackage.adb <<CF_EOF
1290 package body ConfPackage is
1291 procedure conftest is
1293 Text_IO.Put ("Hello World");
1298 if ( $cf_ada_make $ADAFLAGS \
1300 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1301 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1302 -XSOURCE_DIR=`pwd` \
1303 -XSONAME=libConfTest.so.1 \
1304 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1305 cf_gnat_projects=yes
1308 if test -f conftest.lib/confpackage.ali
1310 cf_gnat_libraries=yes
1312 rm -rf conftest* *~conftest*
1317 AC_MSG_RESULT($cf_gnat_projects)
1319 if test $cf_gnat_projects = yes
1321 AC_MSG_CHECKING(if GNAT supports libraries)
1322 AC_MSG_RESULT($cf_gnat_libraries)
1325 if test "$cf_gnat_projects" = yes
1327 USE_OLD_MAKERULES="#"
1328 USE_GNAT_PROJECTS=""
1330 USE_OLD_MAKERULES=""
1331 USE_GNAT_PROJECTS="#"
1334 if test "$cf_gnat_libraries" = yes
1336 USE_GNAT_LIBRARIES=""
1338 USE_GNAT_LIBRARIES="#"
1341 AC_SUBST(USE_OLD_MAKERULES)
1342 AC_SUBST(USE_GNAT_PROJECTS)
1343 AC_SUBST(USE_GNAT_LIBRARIES)
1345 dnl ---------------------------------------------------------------------------
1346 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1348 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1349 dnl is noted that gnat may compile a tasking unit even for configurations which
1350 dnl fail at runtime.
1351 AC_DEFUN([CF_GNAT_SIGINT],[
1352 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1353 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1357 pragma Warnings (Off); -- the next pragma exists since 3.11p
1358 pragma Unreserve_All_Interrupts;
1359 pragma Warnings (On);
1361 protected Process is
1363 function Continue return Boolean;
1364 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1366 Done : Boolean := False;
1370 [package body ConfTest is
1371 protected body Process is
1376 function Continue return Boolean is
1382 [cf_cv_gnat_sigint=yes],
1383 [cf_cv_gnat_sigint=no])])
1385 if test $cf_cv_gnat_sigint = yes ; then
1390 AC_SUBST(USE_GNAT_SIGINT)
1392 dnl ---------------------------------------------------------------------------
1393 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1394 dnl ----------------
1395 dnl Verify that a test program compiles/links with GNAT.
1396 dnl $cf_ada_make is set to the program that compiles/links
1397 dnl $ADAFLAGS may be set to the GNAT flags.
1399 dnl $1 is the text of the spec
1400 dnl $2 is the text of the body
1401 dnl $3 is the shell command to execute if successful
1402 dnl $4 is the shell command to execute if not successful
1403 AC_DEFUN([CF_GNAT_TRY_LINK],
1405 rm -rf conftest* *~conftest*
1406 cat >>conftest.ads <<CF_EOF
1409 cat >>conftest.adb <<CF_EOF
1412 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1413 ifelse($3,, :,[ $3])
1417 rm -rf conftest* *~conftest*
1419 dnl ---------------------------------------------------------------------------
1420 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1422 dnl Verify that a test program compiles and runs with GNAT
1423 dnl $cf_ada_make is set to the program that compiles/links
1424 dnl $ADAFLAGS may be set to the GNAT flags.
1426 dnl $1 is the text of the spec
1427 dnl $2 is the text of the body
1428 dnl $3 is the shell command to execute if successful
1429 dnl $4 is the shell command to execute if not successful
1430 AC_DEFUN([CF_GNAT_TRY_RUN],
1432 rm -rf conftest* *~conftest*
1433 cat >>conftest.ads <<CF_EOF
1436 cat >>conftest.adb <<CF_EOF
1439 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1440 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1441 ifelse($3,, :,[ $3])
1448 rm -rf conftest* *~conftest*
1450 dnl ---------------------------------------------------------------------------
1451 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
1453 dnl Verify version of GNAT.
1454 AC_DEFUN([CF_GNAT_VERSION],
1456 AC_MSG_CHECKING(for gnat version)
1457 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1458 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1459 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1460 AC_MSG_RESULT($cf_gnat_version)
1462 case $cf_gnat_version in #(vi
1463 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
1464 cf_cv_prog_gnat_correct=yes
1467 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1468 cf_cv_prog_gnat_correct=no
1472 dnl ---------------------------------------------------------------------------
1473 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1475 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1476 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1477 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1478 dnl since it is interwoven with GNU extensions.
1480 dnl Well, yes we could work around it...
1481 AC_DEFUN([CF_GNU_SOURCE],
1483 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1484 AC_TRY_COMPILE([#include <sys/types.h>],[
1485 #ifndef _XOPEN_SOURCE
1488 [cf_cv_gnu_source=no],
1489 [cf_save="$CPPFLAGS"
1490 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1491 AC_TRY_COMPILE([#include <sys/types.h>],[
1492 #ifdef _XOPEN_SOURCE
1495 [cf_cv_gnu_source=no],
1496 [cf_cv_gnu_source=yes])
1500 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1502 dnl ---------------------------------------------------------------------------
1503 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1505 dnl Construct a search-list of directories for a nonstandard header-file
1508 dnl $1 = the variable to return as result
1509 dnl $2 = the package name
1510 AC_DEFUN([CF_HEADER_PATH],
1514 # collect the current set of include-directories from compiler flags
1515 cf_header_path_list=""
1516 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1517 for cf_header_path in $CPPFLAGS $CFLAGS
1519 case $cf_header_path in #(vi
1521 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1522 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1523 cf_header_path_list="$cf_header_path_list [$]$1"
1529 # add the variations for the package we are looking for
1530 CF_SUBDIR_PATH($1,$2,include)
1532 test "$includedir" != NONE && \
1533 test "$includedir" != "/usr/include" && \
1534 test -d "$includedir" && {
1535 test -d $includedir && $1="[$]$1 $includedir"
1536 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1539 test "$oldincludedir" != NONE && \
1540 test "$oldincludedir" != "/usr/include" && \
1541 test -d "$oldincludedir" && {
1542 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1543 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1546 $1="[$]$1 $cf_header_path_list"
1548 dnl ---------------------------------------------------------------------------
1549 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1551 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1552 AC_DEFUN([CF_HELP_MESSAGE],
1553 [AC_DIVERT_HELP([$1])dnl
1555 dnl ---------------------------------------------------------------------------
1556 dnl CF_INCLUDE_DIRS version: 8 updated: 2013/10/12 16:45:09
1558 dnl Construct the list of include-options according to whether we're building
1559 dnl in the source directory or using '--srcdir=DIR' option. If we're building
1560 dnl with gcc, don't append the includedir if it happens to be /usr/include,
1561 dnl since that usually breaks gcc's shadow-includes.
1562 AC_DEFUN([CF_INCLUDE_DIRS],
1564 if test "$GCC" != yes; then
1565 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1566 elif test "$includedir" != "/usr/include"; then
1567 if test "$includedir" = '${prefix}/include' ; then
1568 if test x$prefix != x/usr ; then
1569 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1572 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1575 if test "$srcdir" != "."; then
1576 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1578 CPPFLAGS="-I. -I../include $CPPFLAGS"
1581 dnl ---------------------------------------------------------------------------
1582 dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
1583 dnl -----------------
1584 dnl Check if the given compiler is really the Intel compiler for Linux. It
1585 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1586 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1588 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1589 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1590 dnl the wrappers for gcc and g++ warnings.
1592 dnl $1 = GCC (default) or GXX
1593 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1594 dnl $3 = CFLAGS (default) or CXXFLAGS
1595 AC_DEFUN([CF_INTEL_COMPILER],[
1596 AC_REQUIRE([AC_CANONICAL_HOST])
1597 ifelse([$2],,INTEL_COMPILER,[$2])=no
1599 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1602 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1603 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1604 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1606 #ifdef __INTEL_COMPILER
1610 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1611 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1613 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1614 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1619 dnl ---------------------------------------------------------------------------
1620 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1622 dnl Add checks for large file support.
1623 AC_DEFUN([CF_LARGEFILE],[
1624 ifdef([AC_FUNC_FSEEKO],[
1626 if test "$enable_largefile" != no ; then
1629 # Normally we would collect these definitions in the config.h,
1630 # but (like _XOPEN_SOURCE), some environments rely on having these
1631 # defined before any of the system headers are included. Another
1632 # case comes up with C++, e.g., on AIX the compiler compiles the
1633 # header files by themselves before looking at the body files it is
1634 # told to compile. For ncurses, those header files do not include
1636 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1637 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1638 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1640 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1642 #include <sys/types.h>
1645 /* if transitional largefile support is setup, this is true */
1646 extern struct dirent64 * readdir(DIR *);
1647 struct dirent64 *x = readdir((DIR *)0);
1648 struct dirent *y = readdir((DIR *)0);
1651 [cf_cv_struct_dirent64=yes],
1652 [cf_cv_struct_dirent64=no])
1654 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1658 dnl ---------------------------------------------------------------------------
1659 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1661 dnl For the given system and compiler, find the compiler flags to pass to the
1662 dnl loader to use the "rpath" feature.
1663 AC_DEFUN([CF_LD_RPATH_OPT],
1665 AC_REQUIRE([CF_CHECK_CACHE])
1668 AC_MSG_CHECKING(for an rpath option)
1669 case $cf_cv_system_name in #(vi
1671 if test "$GCC" = yes; then
1672 LD_RPATH_OPT="-Wl,-rpath,"
1674 LD_RPATH_OPT="-rpath "
1677 linux*|gnu*|k*bsd*-gnu) #(vi
1678 LD_RPATH_OPT="-Wl,-rpath,"
1680 openbsd[[2-9]].*|mirbsd*) #(vi
1681 LD_RPATH_OPT="-Wl,-rpath,"
1683 dragonfly*|freebsd*) #(vi
1684 LD_RPATH_OPT="-rpath "
1687 LD_RPATH_OPT="-Wl,-rpath,"
1690 LD_RPATH_OPT="-rpath "
1698 AC_MSG_RESULT($LD_RPATH_OPT)
1700 case "x$LD_RPATH_OPT" in #(vi
1702 AC_MSG_CHECKING(if we need a space after rpath option)
1703 cf_save_LIBS="$LIBS"
1704 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1705 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1706 LIBS="$cf_save_LIBS"
1707 AC_MSG_RESULT($cf_rpath_space)
1708 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1712 dnl ---------------------------------------------------------------------------
1713 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1715 dnl Construct a search-list of directories for a nonstandard library-file
1718 dnl $1 = the variable to return as result
1719 dnl $2 = the package name
1720 AC_DEFUN([CF_LIBRARY_PATH],
1723 cf_library_path_list=""
1724 if test -n "${LDFLAGS}${LIBS}" ; then
1725 for cf_library_path in $LDFLAGS $LIBS
1727 case $cf_library_path in #(vi
1729 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1730 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1731 cf_library_path_list="$cf_library_path_list [$]$1"
1737 CF_SUBDIR_PATH($1,$2,lib)
1739 $1="$cf_library_path_list [$]$1"
1741 dnl ---------------------------------------------------------------------------
1742 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1744 dnl Compute the library-prefix for the given host system
1745 dnl $1 = variable to set
1746 define([CF_LIB_PREFIX],
1748 case $cf_cv_system_name in #(vi
1755 ifelse($1,,,[$1=$LIB_PREFIX])
1756 AC_SUBST(LIB_PREFIX)
1758 dnl ---------------------------------------------------------------------------
1759 dnl CF_LIB_SUFFIX version: 22 updated: 2013/09/07 13:54:05
1761 dnl Compute the library file-suffix from the given model name
1763 dnl $2 = variable to set (the nominal library suffix)
1764 dnl $3 = dependency variable to set (actual filename)
1765 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1766 AC_DEFUN([CF_LIB_SUFFIX],
1782 case $cf_cv_system_name in
1787 cygwin*|msys*|mingw*) #(vi
1818 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1819 test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1821 dnl ---------------------------------------------------------------------------
1822 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1824 dnl Compute the string to append to -library from the given model name
1826 dnl $2 = variable to set
1827 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1828 AC_DEFUN([CF_LIB_TYPE],
1837 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1839 dnl ---------------------------------------------------------------------------
1840 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1841 dnl ----------------
1842 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1843 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1844 dnl have to provide wrappers for global tables to ensure they're linked
1846 AC_DEFUN([CF_LINK_DATAONLY],
1848 AC_MSG_CHECKING([if data-only library module links])
1849 AC_CACHE_VAL(cf_cv_link_dataonly,[
1851 cat >conftest.$ac_ext <<EOF
1852 #line __oline__ "configure"
1853 int testdata[[3]] = { 123, 456, 789 };
1855 if AC_TRY_EVAL(ac_compile) ; then
1856 mv conftest.o data.o && \
1857 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1859 rm -f conftest.$ac_ext data.o
1860 cat >conftest.$ac_ext <<EOF
1861 #line __oline__ "configure"
1865 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1867 extern int testdata[[3]];
1868 return testdata[[0]] == 123
1869 && testdata[[1]] == 456
1870 && testdata[[2]] == 789;
1874 if AC_TRY_EVAL(ac_compile); then
1875 mv conftest.o func.o && \
1876 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1878 rm -f conftest.$ac_ext func.o
1879 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1881 LIBS="conftest.a $LIBS"
1885 extern int testfunc();
1886 ${cf_cv_main_return:-return} (!testfunc());
1889 [cf_cv_link_dataonly=yes],
1890 [cf_cv_link_dataonly=no],
1891 [cf_cv_link_dataonly=unknown])
1894 AC_MSG_RESULT($cf_cv_link_dataonly)
1896 if test "$cf_cv_link_dataonly" = no ; then
1897 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1902 dnl ---------------------------------------------------------------------------
1903 dnl CF_MAKEFLAGS version: 14 updated: 2011/03/31 19:29:46
1905 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1906 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1907 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1908 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1909 AC_DEFUN([CF_MAKEFLAGS],
1911 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1913 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1915 cat >cf_makeflags.tmp <<CF_EOF
1918 @ echo '.$cf_option'
1920 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1921 case "$cf_result" in
1923 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1924 case "$cf_result" in
1925 .*CC=*) cf_cv_makeflags=
1927 *) cf_cv_makeflags=$cf_option
1933 *) echo "given option \"$cf_option\", no match \"$cf_result\""
1937 rm -f cf_makeflags.tmp
1940 AC_SUBST(cf_cv_makeflags)
1942 dnl ---------------------------------------------------------------------------
1943 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1945 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
1946 dnl a monocase filesystem.
1947 AC_DEFUN([CF_MAKE_TAGS],[
1948 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1950 AC_CHECK_PROGS(CTAGS, exctags ctags)
1951 AC_CHECK_PROGS(ETAGS, exetags etags)
1953 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1955 if test "$cf_cv_mixedcase" = yes ; then
1956 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1961 if test "$MAKE_UPPER_TAGS" = yes ; then
1967 if test "$MAKE_LOWER_TAGS" = yes ; then
1976 AC_SUBST(MAKE_UPPER_TAGS)
1977 AC_SUBST(MAKE_LOWER_TAGS)
1979 dnl ---------------------------------------------------------------------------
1980 dnl CF_MIXEDCASE_FILENAMES version: 6 updated: 2013/10/08 17:47:05
1981 dnl ----------------------
1982 dnl Check if the file-system supports mixed-case filenames. If we're able to
1983 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1984 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1986 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1987 if test "$cross_compiling" = yes ; then
1988 case $target_alias in #(vi
1989 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) #(vi
1997 rm -f conftest CONFTEST
1999 if test -f CONFTEST ; then
2004 rm -f conftest CONFTEST
2007 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2009 dnl ---------------------------------------------------------------------------
2010 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2012 dnl Check for a working mkstemp. This creates two files, checks that they are
2013 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2014 AC_DEFUN([CF_MKSTEMP],[
2015 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2018 #include <sys/types.h>
2022 #include <sys/stat.h>
2025 char *tmpl = "conftestXXXXXX";
2033 for (n = 0; n < 2; ++n) {
2034 strcpy(name[n], tmpl);
2035 if ((fd = mkstemp(name[n])) >= 0) {
2036 if (!strcmp(name[n], tmpl)
2037 || stat(name[n], &sb) != 0
2038 || (sb.st_mode & S_IFMT) != S_IFREG
2039 || (sb.st_mode & 077) != 0) {
2046 && !strcmp(name[0], name[1]))
2048 ${cf_cv_main_return:-return}(result);
2050 ],[cf_cv_func_mkstemp=yes
2051 ],[cf_cv_func_mkstemp=no
2052 ],[cf_cv_func_mkstemp=maybe])
2054 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2055 AC_CHECK_FUNC(mkstemp)
2057 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2058 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2061 dnl ---------------------------------------------------------------------------
2062 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2064 dnl Write a debug message to config.log, along with the line number in the
2065 dnl configure script.
2066 AC_DEFUN([CF_MSG_LOG],[
2067 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2069 dnl ---------------------------------------------------------------------------
2070 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2071 dnl ----------------
2072 dnl Configure an ncurses add-on, built outside the ncurses tree.
2073 AC_DEFUN([CF_NCURSES_ADDON],[
2075 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2077 AC_MSG_CHECKING(if you want wide-character code)
2078 AC_ARG_ENABLE(widec,
2079 [ --enable-widec compile with wide-char/UTF-8 code],
2080 [with_widec=$enableval],
2082 AC_MSG_RESULT($with_widec)
2083 if test "$with_widec" = yes ; then
2085 CF_NCURSES_CONFIG(ncursesw)
2087 CF_NCURSES_CONFIG(ncurses)
2090 if test "$NCURSES_CONFIG" != none ; then
2092 cf_version=`$NCURSES_CONFIG --version`
2094 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2095 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2096 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2098 # ABI version is not available from headers
2099 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2103 for cf_name in MAJOR MINOR PATCH
2105 cat >conftest.$ac_ext <<CF_EOF
2106 #include <${cf_cv_ncurses_header:-curses.h}>
2107 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2109 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2111 if test -f conftest.out ; then
2112 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2113 eval NCURSES_$cf_name=\"$cf_result\"
2114 # cat conftest.$ac_ext
2119 cf_cv_abi_version=${NCURSES_MAJOR}
2123 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2125 dnl Show the computed version, for logging
2126 cf_cv_timestamp=`date`
2128 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2130 dnl We need these values in the generated headers
2131 AC_SUBST(NCURSES_MAJOR)
2132 AC_SUBST(NCURSES_MINOR)
2133 AC_SUBST(NCURSES_PATCH)
2135 dnl We need these values in the generated makefiles
2136 AC_SUBST(cf_cv_rel_version)
2137 AC_SUBST(cf_cv_abi_version)
2139 dnl FIXME - not needed for Ada95
2140 AC_SUBST(cf_cv_builtin_bool)
2141 AC_SUBST(cf_cv_header_stdbool_h)
2142 AC_SUBST(cf_cv_type_of_bool)dnl
2145 dnl ---------------------------------------------------------------------------
2146 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2147 dnl -------------------
2148 dnl Check if we can compile with ncurses' header file
2149 dnl $1 is the cache variable to set
2150 dnl $2 is the header-file to include
2151 dnl $3 is the root name (ncurses or ncursesw)
2152 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2154 ]ifelse($3,ncursesw,[
2155 #define _XOPEN_SOURCE_EXTENDED
2156 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2157 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2160 #ifdef NCURSES_VERSION
2161 ]ifelse($3,ncursesw,[
2166 printf("%s\n", NCURSES_VERSION);
2178 dnl ---------------------------------------------------------------------------
2179 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2180 dnl -----------------
2181 dnl Tie together the configure-script macros for ncurses.
2182 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2183 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2185 dnl $1 is the root library name (default: "ncurses")
2186 AC_DEFUN([CF_NCURSES_CONFIG],
2188 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2190 echo "Looking for ${cf_ncuconfig_root}-config"
2192 CF_ACVERSION_CHECK(2.52,
2193 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2194 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2196 if test "$NCURSES_CONFIG" != none ; then
2198 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2199 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2201 # even with config script, some packages use no-override for curses.h
2202 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2204 dnl like CF_NCURSES_CPPFLAGS
2205 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2207 dnl like CF_NCURSES_LIBS
2208 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2209 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2211 dnl like CF_NCURSES_VERSION
2212 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2216 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2217 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2221 dnl ---------------------------------------------------------------------------
2222 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2223 dnl -------------------
2224 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2225 dnl the CPPFLAGS variable so we can include its header.
2227 dnl The header files may be installed as either curses.h, or ncurses.h (would
2228 dnl be obsolete, except that some packagers prefer this name to distinguish it
2229 dnl from a "native" curses implementation). If not installed for overwrite,
2230 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2231 dnl /usr/include/ncurses), but someone may have installed overwriting the
2232 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2233 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2236 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2237 dnl is already in the include-path, don't even bother with this, since we cannot
2238 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2240 dnl The optional parameter gives the root name of the library, in case it is
2241 dnl not installed as the default curses library. That is how the
2242 dnl wide-character version of ncurses is installed.
2243 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2244 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2246 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2247 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2249 test -n "$cf_cv_curses_dir" && \
2250 test "$cf_cv_curses_dir" != "no" && { \
2251 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2254 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2255 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2256 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2257 for cf_header in $cf_header_list
2259 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2260 test "$cf_cv_ncurses_h" != no && break
2267 # some applications need this, but should check for NCURSES_VERSION
2268 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2272 dnl ---------------------------------------------------------------------------
2273 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2274 dnl -----------------
2275 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2276 dnl variations of ncurses' installs.
2278 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2279 AC_DEFUN([CF_NCURSES_HEADER],[
2281 if test "$cf_cv_ncurses_h" != no ; then
2282 cf_cv_ncurses_header=$cf_cv_ncurses_h
2285 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2286 test -n "$verbose" && echo
2287 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2288 test -n "$verbose" && echo search path $cf_search
2289 cf_save2_CPPFLAGS="$CPPFLAGS"
2290 for cf_incdir in $cf_search
2292 CF_ADD_INCDIR($cf_incdir)
2297 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2298 if test "$cf_cv_ncurses_h2" != no ; then
2299 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2300 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2303 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2305 CPPFLAGS="$cf_save2_CPPFLAGS"
2306 test "$cf_cv_ncurses_h2" != no && break
2308 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2311 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2312 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2313 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2314 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2316 CF_ADD_INCDIR($cf_1st_incdir)
2320 # Set definitions to allow ifdef'ing for ncurses.h
2322 case $cf_cv_ncurses_header in # (vi
2324 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2328 case $cf_cv_ncurses_header in # (vi
2329 ncurses/curses.h|ncurses/ncurses.h)
2330 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2332 ncursesw/curses.h|ncursesw/ncurses.h)
2333 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2338 dnl ---------------------------------------------------------------------------
2339 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2341 dnl Look for the ncurses library. This is a little complicated on Linux,
2342 dnl because it may be linked with the gpm (general purpose mouse) library.
2343 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2344 dnl unusable with ncurses. However, we don't want to link with gpm unless
2345 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2346 dnl and the linker will record a dependency.
2348 dnl The optional parameter gives the root name of the library, in case it is
2349 dnl not installed as the default curses library. That is how the
2350 dnl wide-character version of ncurses is installed.
2351 AC_DEFUN([CF_NCURSES_LIBS],
2352 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2354 cf_nculib_root=ifelse($1,,ncurses,$1)
2355 # This works, except for the special case where we find gpm, but
2356 # ncurses is in a nonstandard location via $LIBS, and we really want
2359 cf_ncurses_SAVE="$LIBS"
2360 AC_CHECK_LIB(gpm,Gpm_Open,
2361 [AC_CHECK_LIB(gpm,initscr,
2362 [LIBS="$cf_ncurses_SAVE"],
2363 [cf_ncurses_LIBS="-lgpm"])])
2365 case $host_os in #(vi
2367 # This is only necessary if you are linking against an obsolete
2368 # version of ncurses (but it should do no harm, since it's static).
2369 if test "$cf_nculib_root" = ncurses ; then
2370 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2375 CF_ADD_LIBS($cf_ncurses_LIBS)
2377 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2379 CF_ADD_LIBS(-l$cf_nculib_root)
2381 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2382 [#include <${cf_cv_ncurses_header:-curses.h}>],
2387 if test -n "$cf_ncurses_LIBS" ; then
2388 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2389 cf_ncurses_SAVE="$LIBS"
2390 for p in $cf_ncurses_LIBS ; do
2391 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2392 if test "$q" != "$LIBS" ; then
2396 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2397 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2398 [AC_MSG_RESULT(yes)],
2400 LIBS="$cf_ncurses_SAVE"])
2403 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2404 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2406 dnl ---------------------------------------------------------------------------
2407 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2408 dnl ------------------
2409 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2410 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2411 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2412 AC_DEFUN([CF_NCURSES_VERSION],
2414 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2415 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2416 cf_cv_ncurses_version=no
2420 #include <${cf_cv_ncurses_header:-curses.h}>
2424 FILE *fp = fopen("$cf_tempfile", "w");
2425 #ifdef NCURSES_VERSION
2426 # ifdef NCURSES_VERSION_PATCH
2427 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2429 fprintf(fp, "%s\n", NCURSES_VERSION);
2433 fprintf(fp, "old\n");
2438 ${cf_cv_main_return:-return}(0);
2440 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2442 # This will not work if the preprocessor splits the line after the
2443 # Autoconf token. The 'unproto' program does that.
2444 cat > conftest.$ac_ext <<EOF
2445 #include <${cf_cv_ncurses_header:-curses.h}>
2447 #ifdef NCURSES_VERSION
2448 Autoconf NCURSES_VERSION
2456 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2458 if test -f conftest.out ; then
2459 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2460 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2466 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2468 dnl ---------------------------------------------------------------------------
2469 dnl CF_OBJ_SUBDIR version: 6 updated: 2013/09/07 14:06:10
2471 dnl Compute the object-directory name from the given model name
2472 AC_DEFUN([CF_OBJ_SUBDIR],
2475 libtool) $2='obj_lo' ;;
2476 normal) $2='objects' ;;
2477 debug) $2='obj_g' ;;
2478 profile) $2='obj_p' ;;
2480 case $cf_cv_system_name in #(vi
2488 dnl ---------------------------------------------------------------------------
2489 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2491 dnl Provide a value for the $PATH and similar separator (or amend the value
2492 dnl as provided in autoconf 2.5x).
2493 AC_DEFUN([CF_PATHSEP],
2495 AC_MSG_CHECKING(for PATH separator)
2496 case $cf_cv_system_name in
2497 os2*) PATH_SEPARATOR=';' ;;
2498 *) ${PATH_SEPARATOR:=':'} ;;
2500 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2501 AC_SUBST(PATH_SEPARATOR)
2502 AC_MSG_RESULT($PATH_SEPARATOR)
2504 dnl ---------------------------------------------------------------------------
2505 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2507 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2508 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2509 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2510 dnl delayed evaluation of those symbols.
2511 AC_DEFUN([CF_PATH_SYNTAX],[
2512 if test "x$prefix" != xNONE; then
2513 cf_path_syntax="$prefix"
2515 cf_path_syntax="$ac_default_prefix"
2518 case ".[$]$1" in #(vi
2519 .\[$]\(*\)*|.\'*\'*) #(vi
2523 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2525 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2527 case ".[$]$1" in #(vi
2529 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2534 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2537 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2541 dnl ---------------------------------------------------------------------------
2542 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2544 dnl Check for the package-config program, unless disabled by command-line.
2545 AC_DEFUN([CF_PKG_CONFIG],
2547 AC_MSG_CHECKING(if you want to use pkg-config)
2548 AC_ARG_WITH(pkg-config,
2549 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2550 [cf_pkg_config=$withval],
2551 [cf_pkg_config=yes])
2552 AC_MSG_RESULT($cf_pkg_config)
2554 case $cf_pkg_config in #(vi
2559 CF_ACVERSION_CHECK(2.52,
2560 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2561 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2568 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2569 if test "$PKG_CONFIG" != none ; then
2570 CF_PATH_SYNTAX(PKG_CONFIG)
2573 AC_SUBST(PKG_CONFIG)
2575 dnl ---------------------------------------------------------------------------
2576 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2577 dnl -----------------
2578 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2580 dnl POSIX.1-1990 _POSIX_SOURCE
2581 dnl POSIX.1-1990 and _POSIX_SOURCE and
2582 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2584 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2585 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2586 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2589 dnl $1 is the nominal value for _POSIX_C_SOURCE
2590 AC_DEFUN([CF_POSIX_C_SOURCE],
2592 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2594 cf_save_CFLAGS="$CFLAGS"
2595 cf_save_CPPFLAGS="$CPPFLAGS"
2597 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2598 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2600 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2601 CF_MSG_LOG(if the symbol is already defined go no further)
2602 AC_TRY_COMPILE([#include <sys/types.h>],[
2603 #ifndef _POSIX_C_SOURCE
2606 [cf_cv_posix_c_source=no],
2607 [cf_want_posix_source=no
2608 case .$cf_POSIX_C_SOURCE in #(vi
2610 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2613 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2614 cf_want_posix_source=yes
2617 cf_want_posix_source=yes
2620 if test "$cf_want_posix_source" = yes ; then
2621 AC_TRY_COMPILE([#include <sys/types.h>],[
2622 #ifdef _POSIX_SOURCE
2625 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2627 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2628 CFLAGS="$cf_trim_CFLAGS"
2629 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2630 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2631 AC_TRY_COMPILE([#include <sys/types.h>],[
2632 #ifndef _POSIX_C_SOURCE
2635 [cf_cv_posix_c_source=no])
2636 CFLAGS="$cf_save_CFLAGS"
2637 CPPFLAGS="$cf_save_CPPFLAGS"
2641 if test "$cf_cv_posix_c_source" != no ; then
2642 CFLAGS="$cf_trim_CFLAGS"
2643 CPPFLAGS="$cf_trim_CPPFLAGS"
2644 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2648 dnl ---------------------------------------------------------------------------
2649 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2651 dnl Check for archiver "ar".
2652 AC_DEFUN([CF_PROG_AR],[
2653 AC_CHECK_TOOL(AR, ar, ar)
2655 dnl ---------------------------------------------------------------------------
2656 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2658 dnl Check for awk, ensure that the check found something.
2659 AC_DEFUN([CF_PROG_AWK],
2662 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2664 dnl ---------------------------------------------------------------------------
2665 dnl CF_PROG_CC version: 3 updated: 2012/10/06 15:31:55
2667 dnl standard check for CC, plus followup sanity checks
2668 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2669 AC_DEFUN([CF_PROG_CC],[
2670 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2672 CF_ACVERSION_CHECK(2.52,
2677 dnl ---------------------------------------------------------------------------
2678 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2680 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2681 dnl the output file can be renamed, and allows for a shell variable that can
2682 dnl be used later. The parameter is either CC or CXX. The result is the
2684 dnl $cf_cv_prog_CC_c_o
2685 dnl $cf_cv_prog_CXX_c_o
2686 AC_DEFUN([CF_PROG_CC_C_O],
2687 [AC_REQUIRE([AC_PROG_CC])dnl
2688 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2689 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2691 cat > conftest.$ac_ext <<CF_EOF
2695 ${cf_cv_main_return:-return}(0);
2698 # We do the test twice because some compilers refuse to overwrite an
2699 # existing .o file with -o, though they will create one.
2700 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2701 if AC_TRY_EVAL(ac_try) &&
2702 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2704 eval cf_cv_prog_$1_c_o=yes
2706 eval cf_cv_prog_$1_c_o=no
2710 if test $cf_cv_prog_$1_c_o = yes; then
2711 AC_MSG_RESULT([yes])
2716 dnl ---------------------------------------------------------------------------
2717 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2719 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2720 dnl This macro adds a check to ensure the script found something.
2721 AC_DEFUN([CF_PROG_EGREP],
2722 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2723 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2724 then ac_cv_prog_egrep='grep -E'
2725 else ac_cv_prog_egrep='egrep'
2727 EGREP=$ac_cv_prog_egrep
2729 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2731 dnl ---------------------------------------------------------------------------
2732 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2734 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2735 AC_DEFUN([CF_PROG_EXT],
2737 AC_REQUIRE([CF_CHECK_CACHE])
2738 case $cf_cv_system_name in
2740 CFLAGS="$CFLAGS -Zmt"
2741 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2742 CXXFLAGS="$CXXFLAGS -Zmt"
2743 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2744 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2754 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2756 dnl ---------------------------------------------------------------------------
2757 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2759 dnl Check for gnatmake, ensure that it is complete.
2760 AC_DEFUN([CF_PROG_GNAT],[
2761 cf_ada_make=gnatmake
2762 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2763 if test "$ac_cv_prog_gnat_exists" = no; then
2765 cf_cv_prog_gnat_correct=no
2768 AC_CHECK_PROG(M4_exists, m4, yes, no)
2769 if test "$ac_cv_prog_M4_exists" = no; then
2770 cf_cv_prog_gnat_correct=no
2771 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2773 if test "$cf_cv_prog_gnat_correct" = yes; then
2774 AC_MSG_CHECKING(if GNAT works)
2775 CF_GNAT_TRY_RUN([procedure conftest;],
2778 procedure conftest is
2780 Text_IO.Put ("Hello World");
2782 GNAT.OS_Lib.OS_Exit (0);
2783 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2784 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2788 AC_SUBST(cf_ada_make)
2790 dnl ---------------------------------------------------------------------------
2791 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2793 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2794 dnl option if it is supported.
2795 AC_DEFUN([CF_PROG_LN_S],[
2797 AC_MSG_CHECKING(if $LN_S -f options work)
2799 rm -f conf$$.src conf$$dst
2801 echo first >conf$$.src
2802 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2807 rm -f conf$$.dst conf$$src
2808 AC_MSG_RESULT($cf_prog_ln_sf)
2810 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2812 dnl ---------------------------------------------------------------------------
2813 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2814 dnl ----------------
2815 dnl Remove all -U and -D options that refer to the given symbol from a list
2816 dnl of C compiler options. This works around the problem that not all
2817 dnl compilers process -U and -D options from left-to-right, so a -U option
2818 dnl cannot be used to cancel the effect of a preceding -D option.
2820 dnl $1 = target (which could be the same as the source variable)
2821 dnl $2 = source (including '$')
2822 dnl $3 = symbol to remove
2823 define([CF_REMOVE_DEFINE],
2826 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2827 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2829 dnl ---------------------------------------------------------------------------
2830 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2832 dnl Remove the given library from the symbol
2834 dnl $1 = target (which could be the same as the source variable)
2835 dnl $2 = source (including '$')
2836 dnl $3 = library to remove
2837 define([CF_REMOVE_LIB],
2839 # remove $3 library from $2
2840 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2842 dnl ---------------------------------------------------------------------------
2843 dnl CF_SHARED_OPTS version: 84 updated: 2013/11/03 06:26:10
2846 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2850 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2851 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2852 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2853 dnl shared library since that can lead to unexpected results at runtime.
2854 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2855 dnl libraries are compiled in ../../lib
2857 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2858 dnl to install symbolic links to the rel/abi versions of shared libraries.
2860 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2861 dnl version when making symbolic links.
2863 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2864 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2865 dnl (ex: libncurses.so.<ver>).
2867 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2868 AC_DEFUN([CF_SHARED_OPTS],
2870 AC_REQUIRE([CF_LD_RPATH_OPT])
2875 INSTALL_LIB="-m 644"
2876 : ${rel_builddir:=.}
2884 cf_cv_do_symlinks=no
2886 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2888 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2889 AC_ARG_WITH(shlib-version,
2890 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2891 [test -z "$withval" && withval=auto
2892 case $withval in #(vi
2894 cf_cv_shlib_version=auto
2896 rel|abi|auto|no) #(vi
2897 cf_cv_shlib_version=$withval
2900 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2903 ],[cf_cv_shlib_version=auto])
2904 AC_MSG_RESULT($cf_cv_shlib_version)
2909 # Some less-capable ports of gcc support only -fpic
2911 if test "$GCC" = yes
2913 AC_MSG_CHECKING(which $CC option to use)
2914 cf_save_CFLAGS="$CFLAGS"
2915 for CC_SHARED_OPTS in -fPIC -fpic ''
2917 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2918 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2920 AC_MSG_RESULT($CC_SHARED_OPTS)
2921 CFLAGS="$cf_save_CFLAGS"
2924 cf_cv_shlib_version_infix=no
2926 case $cf_cv_system_name in #(vi
2927 aix4.[3-9]*|aix[[5-7]]*) #(vi
2928 if test "$GCC" = yes; then
2930 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2932 # CC_SHARED_OPTS='-qpic=large -G'
2933 # perhaps "-bM:SRE -bnoentry -bexpall"
2934 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2938 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2942 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2943 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2944 cf_cv_shlib_version=cygdll
2945 cf_cv_shlib_version_infix=cygdll
2948 cat >mk_shared_lib.sh <<-CF_EOF
2951 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2954 Linking shared library
2955 ** SHARED_LIB \[$]SHARED_LIB
2956 ** IMPORT_LIB \[$]IMPORT_LIB
2958 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2960 chmod +x mk_shared_lib.sh
2964 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2965 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2966 cf_cv_shlib_version=msysdll
2967 cf_cv_shlib_version_infix=msysdll
2970 cat >mk_shared_lib.sh <<-CF_EOF
2973 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2976 Linking shared library
2977 ** SHARED_LIB \[$]SHARED_LIB
2978 ** IMPORT_LIB \[$]IMPORT_LIB
2980 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2982 chmod +x mk_shared_lib.sh
2985 cf_try_cflags="no-cpp-precomp"
2986 CC_SHARED_OPTS="-dynamic"
2987 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2988 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2989 cf_cv_shlib_version_infix=yes
2990 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
2991 cf_save_LDFLAGS=$LDFLAGS
2992 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2993 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
2994 LDFLAGS=$cf_save_LDFLAGS])
2995 if test $cf_cv_ldflags_search_paths_first = yes; then
2996 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3000 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3001 if test "$GCC" != yes; then
3004 MK_SHARED_LIB='${LD} -b -o $[@]'
3005 INSTALL_LIB="-m 555"
3008 # (tested with gcc 2.7.2 -- I don't have c89)
3009 if test "$GCC" = yes; then
3010 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3013 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3015 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3016 # HP-UX shared libraries must be executable, and should be
3017 # readonly to exploit a quirk in the memory manager.
3018 INSTALL_LIB="-m 555"
3021 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3022 if test "$cf_cv_shlib_version" = rel; then
3023 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3025 cf_shared_soname='`basename $@`'
3028 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3031 if test "$cf_cv_enable_rpath" = yes ; then
3032 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3034 # tested with IRIX 5.2 and 'cc'.
3035 if test "$GCC" != yes; then
3036 CC_SHARED_OPTS='-KPIC'
3037 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3039 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3041 cf_cv_rm_so_locs=yes
3043 linux*|gnu*|k*bsd*-gnu) #(vi
3044 if test "$DFT_LWR_MODEL" = "shared" ; then
3045 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3046 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3048 if test "$cf_cv_enable_rpath" = yes ; then
3049 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3052 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3055 cf_cv_shlib_version=mingw
3056 cf_cv_shlib_version_infix=mingw
3059 if test "$DFT_LWR_MODEL" = "shared" ; then
3060 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3061 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3062 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3065 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3066 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3067 cat >mk_shared_lib.sh <<-CF_EOF
3070 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3073 Linking shared library
3074 ** SHARED_LIB \[$]SHARED_LIB
3075 ** IMPORT_LIB \[$]IMPORT_LIB
3077 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3079 chmod +x mk_shared_lib.sh
3081 openbsd[[2-9]].*|mirbsd*) #(vi
3082 if test "$DFT_LWR_MODEL" = "shared" ; then
3083 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3084 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3086 if test "$cf_cv_enable_rpath" = yes ; then
3087 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3089 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3091 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3093 nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3094 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3095 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3096 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3098 dragonfly*|freebsd*) #(vi
3099 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3100 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3101 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3102 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3103 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3106 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3109 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3110 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3111 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3112 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3113 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3114 if test "$cf_cv_shlib_version" = auto; then
3115 if test -f /usr/libexec/ld.elf_so; then
3116 cf_cv_shlib_version=abi
3118 cf_cv_shlib_version=rel
3122 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3124 MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3128 # tested with OSF/1 V3.2 and 'cc'
3129 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3130 # link with shared libs).
3131 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3132 case $host_os in #(vi
3134 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3137 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3138 if test "$DFT_LWR_MODEL" = "shared" ; then
3139 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3140 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3142 cf_cv_rm_so_locs=yes
3144 sco3.2v5*) # (also uw2* and UW7: hops 13-Apr-98
3145 # tested with osr5.0.5
3146 if test "$GCC" != yes; then
3147 CC_SHARED_OPTS='-belf -KPIC'
3149 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3150 if test "$cf_cv_enable_rpath" = yes ; then
3151 # only way is to set LD_RUN_PATH but no switch for it
3154 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3155 LINK_PROGS='LD_RUN_PATH=${libdir}'
3156 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3159 # tested with SunOS 4.1.1 and gcc 2.7.0
3160 if test "$GCC" != yes; then
3161 CC_SHARED_OPTS='-KPIC'
3163 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3164 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3167 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3168 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3169 if test "$DFT_LWR_MODEL" = "shared" ; then
3170 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3171 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3173 if test "$cf_cv_enable_rpath" = yes ; then
3174 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3177 if test "$GCC" != yes; then
3178 cf_save_CFLAGS="$CFLAGS"
3179 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3181 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3182 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3184 CFLAGS="$cf_save_CFLAGS"
3185 CC_SHARED_OPTS=$cf_shared_opts
3186 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3188 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3191 sysv5uw7*|unix_sv*) #(vi
3192 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3193 if test "$GCC" != yes; then
3194 CC_SHARED_OPTS='-KPIC'
3196 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3199 CC_SHARED_OPTS='unknown'
3200 MK_SHARED_LIB='echo unknown'
3204 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3205 case "$cf_cv_shlib_version" in #(vi
3207 case "$MK_SHARED_LIB" in #(vi
3209 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3212 AC_MSG_WARN(ignored --with-shlib-version)
3218 if test -n "$cf_try_cflags"
3220 cat > conftest.$ac_ext <<EOF
3221 #line __oline__ "${as_me:-configure}"
3223 int main(int argc, char *argv[[]])
3226 return (argv[[argc-1]] == 0) ;
3229 cf_save_CFLAGS="$CFLAGS"
3230 for cf_opt in $cf_try_cflags
3232 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3233 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3234 if AC_TRY_EVAL(ac_compile); then
3236 cf_save_CFLAGS="$CFLAGS"
3241 CFLAGS="$cf_save_CFLAGS"
3245 # RPATH_LIST is a colon-separated list of directories
3246 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3247 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3249 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3251 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3252 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3254 AC_SUBST(CC_SHARED_OPTS)
3255 AC_SUBST(LD_RPATH_OPT)
3256 AC_SUBST(LD_SHARED_OPTS)
3257 AC_SUBST(MK_SHARED_LIB)
3258 AC_SUBST(RM_SHARED_OPTS)
3260 AC_SUBST(LINK_PROGS)
3261 AC_SUBST(LINK_TESTS)
3263 AC_SUBST(EXTRA_LDFLAGS)
3264 AC_SUBST(LOCAL_LDFLAGS)
3265 AC_SUBST(LOCAL_LDFLAGS2)
3267 AC_SUBST(INSTALL_LIB)
3268 AC_SUBST(RPATH_LIST)
3270 dnl ---------------------------------------------------------------------------
3271 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3272 dnl ----------------
3273 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3274 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3277 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3278 dnl If missing, use "rel".
3279 define([CF_SHARED_SONAME],
3281 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3282 if test "$cf_cv_shlib_version" = rel; then
3283 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3285 cf_cv_shared_soname='`basename $[@]`'
3288 dnl ---------------------------------------------------------------------------
3289 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3291 dnl Remove "-g" option from the compiler options
3292 AC_DEFUN([CF_STRIP_G_OPT],
3293 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3294 dnl ---------------------------------------------------------------------------
3295 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3297 dnl Construct a search-list for a nonstandard header/lib-file
3298 dnl $1 = the variable to return as result
3299 dnl $2 = the package name
3300 dnl $3 = the subdirectory, e.g., bin, include or lib
3301 AC_DEFUN([CF_SUBDIR_PATH],
3305 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3306 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3307 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3308 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3309 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3311 dnl ---------------------------------------------------------------------------
3312 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3314 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3315 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3316 dnl but some packagers change this, breaking various applications.
3317 AC_DEFUN([CF_TERM_HEADER],[
3318 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3319 case ${cf_cv_ncurses_header} in #(vi
3320 */ncurses.h|*/ncursesw.h) #(vi
3321 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3324 cf_term_header=term.h
3328 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3330 AC_TRY_COMPILE([#include <stdio.h>
3331 #include <${cf_cv_ncurses_header:-curses.h}>
3333 ],[int x = auto_left_margin],[
3334 cf_cv_term_header="$cf_test"],[
3335 cf_cv_term_header=unknown
3337 test "$cf_cv_term_header" != unknown && break
3341 # Set definitions to allow ifdef'ing to accommodate subdirectories
3343 case $cf_cv_term_header in # (vi
3345 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3349 case $cf_cv_term_header in # (vi
3350 ncurses/term.h) #(vi
3351 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3354 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3358 dnl ---------------------------------------------------------------------------
3359 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3361 dnl Define a top_builddir symbol, for applications that need an absolute path.
3362 AC_DEFUN([CF_TOP_BUILDDIR],
3364 top_builddir=ifelse($1,,`pwd`,$1)
3365 AC_SUBST(top_builddir)
3367 dnl ---------------------------------------------------------------------------
3368 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3369 dnl -------------------
3370 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3371 dnl can define it successfully.
3372 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3373 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3377 #include <sys/types.h>
3379 #ifndef _XOPEN_SOURCE
3382 [cf_cv_xopen_source=no],
3383 [cf_save="$CPPFLAGS"
3384 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3388 #include <sys/types.h>
3390 #ifdef _XOPEN_SOURCE
3393 [cf_cv_xopen_source=no],
3394 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3399 if test "$cf_cv_xopen_source" != no ; then
3400 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3401 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3402 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3403 CF_ADD_CFLAGS($cf_temp_xopen_source)
3406 dnl ---------------------------------------------------------------------------
3407 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3409 dnl Make an uppercase version of a variable
3410 dnl $1=uppercase($2)
3411 AC_DEFUN([CF_UPPER],
3413 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3415 dnl ---------------------------------------------------------------------------
3416 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3418 dnl Check for multibyte support, and if not found, utf8 compatibility library
3419 AC_DEFUN([CF_UTF8_LIB],
3421 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3422 cf_save_LIBS="$LIBS"
3424 #include <stdlib.h>],[putwc(0,0);],
3425 [cf_cv_utf8_lib=yes],
3427 #include <libutf8.h>],[putwc(0,0);],utf8,
3428 [cf_cv_utf8_lib=add-on],
3429 [cf_cv_utf8_lib=no])
3432 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3434 if test "$cf_cv_utf8_lib" = "add-on" ; then
3435 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3436 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3437 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3438 CF_ADD_LIBS($cf_cv_library_file_utf8)
3441 dnl ---------------------------------------------------------------------------
3442 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3444 dnl Use AC_VERBOSE w/o the warnings
3445 AC_DEFUN([CF_VERBOSE],
3446 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3449 dnl ---------------------------------------------------------------------------
3450 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3452 dnl Check for compiler-support for weak symbols.
3453 dnl This works with "recent" gcc.
3454 AC_DEFUN([CF_WEAK_SYMBOLS],[
3455 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3458 #include <stdio.h>],
3460 #if defined(__GNUC__)
3461 # if defined __USE_ISOC99
3462 # define _cat_pragma(exp) _Pragma(#exp)
3463 # define _weak_pragma(exp) _cat_pragma(weak name)
3465 # define _weak_pragma(exp)
3467 # define _declare(name) __extension__ extern __typeof__(name) name
3468 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3472 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3475 dnl ---------------------------------------------------------------------------
3476 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3477 dnl --------------------
3478 dnl Command-line option to specify the Ada95 compiler.
3479 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3480 AC_MSG_CHECKING(for ada-compiler)
3481 AC_ARG_WITH(ada-compiler,
3482 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3483 [cf_ada_compiler=$withval],
3484 [cf_ada_compiler=gnatmake])
3485 AC_SUBST(cf_ada_compiler)
3486 AC_MSG_RESULT($cf_ada_compiler)
3488 dnl ---------------------------------------------------------------------------
3489 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3490 dnl -------------------
3491 dnl Command-line option to specify where Ada includes will install.
3492 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3493 AC_MSG_CHECKING(for ada-include)
3494 CF_WITH_PATH(ada-include,
3495 [ --with-ada-include=DIR Ada includes are in DIR],
3497 PREFIX/share/ada/adainclude,
3498 [$]prefix/share/ada/adainclude)
3499 AC_SUBST(ADA_INCLUDE)
3500 AC_MSG_RESULT($ADA_INCLUDE)
3502 dnl ---------------------------------------------------------------------------
3503 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3504 dnl -------------------
3505 dnl Command-line option to specify where Ada objects will install.
3506 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3507 AC_MSG_CHECKING(for ada-objects)
3508 CF_WITH_PATH(ada-objects,
3509 [ --with-ada-objects=DIR Ada objects are in DIR],
3511 PREFIX/lib/ada/adalib,
3512 [$]prefix/lib/ada/adalib)
3513 AC_SUBST(ADA_OBJECTS)
3514 AC_MSG_RESULT($ADA_OBJECTS)
3516 dnl ---------------------------------------------------------------------------
3517 dnl CF_WITH_ADA_SHAREDLIB version: 2 updated: 2010/06/26 17:35:58
3518 dnl ---------------------
3519 dnl Command-line option to specify if an Ada95 shared-library should be built,
3520 dnl and optionally what its soname should be.
3521 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3522 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3523 AC_ARG_WITH(ada-sharedlib,
3524 [ --with-ada-sharedlib=XX build Ada95 shared-library],
3525 [with_ada_sharedlib=$withval],
3526 [with_ada_sharedlib=no])
3527 AC_MSG_RESULT($with_ada_sharedlib)
3529 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3530 MAKE_ADA_SHAREDLIB="#"
3532 if test "x$with_ada_sharedlib" != xno
3535 if test "x$with_ada_sharedlib" != xyes
3537 ADA_SHAREDLIB="$with_ada_sharedlib"
3541 AC_SUBST(ADA_SHAREDLIB)
3542 AC_SUBST(MAKE_ADA_SHAREDLIB)
3544 dnl ---------------------------------------------------------------------------
3545 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3546 dnl ------------------
3547 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3549 AC_DEFUN([CF_WITH_CURSES_DIR],[
3551 AC_MSG_CHECKING(for specific curses-directory)
3552 AC_ARG_WITH(curses-dir,
3553 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3554 [cf_cv_curses_dir=$withval],
3555 [cf_cv_curses_dir=no])
3556 AC_MSG_RESULT($cf_cv_curses_dir)
3558 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3560 CF_PATH_SYNTAX(withval)
3561 if test -d "$cf_cv_curses_dir"
3563 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3564 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3568 dnl ---------------------------------------------------------------------------
3569 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3570 dnl ------------------
3571 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3572 dnl "lib" prefix, e.g., because it used the dll naming convention.
3574 dnl $1 = variable to set
3575 AC_DEFUN([CF_WITH_LIB_PREFIX],
3577 AC_MSG_CHECKING(if you want to have a library-prefix)
3578 AC_ARG_WITH(lib-prefix,
3579 [ --with-lib-prefix override library-prefix],
3580 [with_lib_prefix=$withval],
3581 [with_lib_prefix=auto])
3582 AC_MSG_RESULT($with_lib_prefix)
3584 if test $with_lib_prefix = auto
3587 elif test $with_lib_prefix = no
3591 LIB_PREFIX=$with_lib_prefix
3594 dnl ---------------------------------------------------------------------------
3595 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3597 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3598 dnl defaulting to yes/no.
3600 dnl $1 = option name
3602 dnl $3 = environment variable to set
3603 dnl $4 = default value, shown in the help-message, must be a constant
3604 dnl $5 = default value, if it's an expression & cannot be in the help-message
3606 AC_DEFUN([CF_WITH_PATH],
3607 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3608 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3609 if ifelse([$5],,true,[test -n "$5"]) ; then
3610 CF_PATH_SYNTAX(withval)
3615 dnl ---------------------------------------------------------------------------
3616 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
3617 dnl -------------------------
3618 dnl Allow the choice of the pkg-config library directory to be overridden.
3619 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3620 if test "$PKG_CONFIG" != none ; then
3621 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3622 AC_ARG_WITH(pkg-config-libdir,
3623 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3624 [PKG_CONFIG_LIBDIR=$withval],
3625 [PKG_CONFIG_LIBDIR=yes])
3627 case x$PKG_CONFIG_LIBDIR in #(vi
3631 # look for the library directory using the same prefix as the executable
3632 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3633 case x`(arch) 2>/dev/null` in #(vi
3635 for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3637 if test -d $cf_config/pkgconfig
3639 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3645 PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3653 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3656 AC_SUBST(PKG_CONFIG_LIBDIR)
3658 dnl ---------------------------------------------------------------------------
3659 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3661 dnl Check for POSIX thread library.
3662 AC_DEFUN([CF_WITH_PTHREAD],
3664 AC_MSG_CHECKING(if you want to link with the pthread library)
3665 AC_ARG_WITH(pthread,
3666 [ --with-pthread use POSIX thread library],
3667 [with_pthread=$withval],
3669 AC_MSG_RESULT($with_pthread)
3671 if test "$with_pthread" != no ; then
3672 AC_CHECK_HEADER(pthread.h,[
3673 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3675 for cf_lib_pthread in pthread c_r
3677 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3678 cf_save_LIBS="$LIBS"
3679 CF_ADD_LIB($cf_lib_pthread)
3681 #include <pthread.h>
3683 int rc = pthread_create(0,0,0,0);
3684 int r2 = pthread_mutexattr_settype(0, 0);
3685 ],[with_pthread=yes],[with_pthread=no])
3686 LIBS="$cf_save_LIBS"
3687 AC_MSG_RESULT($with_pthread)
3688 test "$with_pthread" = yes && break
3691 if test "$with_pthread" = yes ; then
3692 CF_ADD_LIB($cf_lib_pthread)
3693 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3695 AC_MSG_ERROR(Cannot link with pthread library)
3700 dnl ---------------------------------------------------------------------------
3701 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3703 dnl For testing, override the derived host system-type which is used to decide
3704 dnl things such as the linker commands used to build shared libraries. This is
3705 dnl normally chosen automatically based on the type of system which you are
3706 dnl building on. We use it for testing the configure script.
3708 dnl This is different from the --host option: it is used only for testing parts
3709 dnl of the configure script which would not be reachable with --host since that
3710 dnl relies on the build environment being real, rather than mocked up.
3711 AC_DEFUN([CF_WITH_SYSTYPE],[
3712 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3713 AC_ARG_WITH(system-type,
3714 [ --with-system-type=XXX test: override derived host system-type],
3715 [AC_MSG_WARN(overriding system type to $withval)
3716 cf_cv_system_name=$withval
3720 dnl ---------------------------------------------------------------------------
3721 dnl CF_XOPEN_SOURCE version: 46 updated: 2014/02/09 19:30:15
3723 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3724 dnl or adapt to the vendor's definitions to get equivalent functionality,
3725 dnl without losing the common non-POSIX features.
3728 dnl $1 is the nominal value for _XOPEN_SOURCE
3729 dnl $2 is the nominal value for _POSIX_C_SOURCE
3730 AC_DEFUN([CF_XOPEN_SOURCE],[
3731 AC_REQUIRE([AC_CANONICAL_HOST])
3733 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3734 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3737 case $host_os in #(vi
3739 cf_xopen_source="-D_ALL_SOURCE"
3744 darwin[[0-8]].*) #(vi
3745 cf_xopen_source="-D_APPLE_C_SOURCE"
3748 cf_xopen_source="-D_DARWIN_C_SOURCE"
3751 freebsd*|dragonfly*) #(vi
3752 # 5.x headers associate
3753 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3754 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3755 cf_POSIX_C_SOURCE=200112L
3757 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3760 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3763 cf_xopen_source="-D_HPUX_SOURCE"
3766 cf_xopen_source="-D_SGI_SOURCE"
3769 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3773 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3775 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3778 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3780 openbsd[[4-9]]*) #(vi
3781 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3782 cf_xopen_source="-D_BSD_SOURCE"
3786 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3789 cf_xopen_source="-D_OSF_SOURCE"
3792 cf_xopen_source="-D_QNX_SOURCE"
3795 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3798 cf_xopen_source="-D__EXTENSIONS__"
3799 cf_cv_xopen_source=broken
3803 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3807 if test -n "$cf_xopen_source" ; then
3808 CF_ADD_CFLAGS($cf_xopen_source)
3811 dnl In anything but the default case, we may have system-specific setting
3812 dnl which is still not guaranteed to provide all of the entrypoints that
3813 dnl _XOPEN_SOURCE would yield.
3814 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3815 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3816 AC_TRY_COMPILE([#include <stdlib.h>],[
3817 #ifndef _XOPEN_SOURCE
3820 [cf_XOPEN_SOURCE_set=yes],
3821 [cf_XOPEN_SOURCE_set=no])
3822 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3823 if test $cf_XOPEN_SOURCE_set = yes
3825 AC_TRY_COMPILE([#include <stdlib.h>],[
3826 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3829 [cf_XOPEN_SOURCE_set_ok=yes],
3830 [cf_XOPEN_SOURCE_set_ok=no])
3831 if test $cf_XOPEN_SOURCE_set_ok = no
3833 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)