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 1.87 2014/06/21 21:58:06 tom Exp $
32 dnl Macros used in NCURSES Ada95 auto-configuration script.
34 dnl These macros are maintained separately from NCURSES. The copyright on
35 dnl this file applies to the aggregation of macros and does not affect use of
36 dnl these macros in other applications.
38 dnl See http://invisible-island.net/autoconf/ for additional information.
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
43 dnl ------------------
44 dnl Conditionally generate script according to whether we're using a given autoconf.
46 dnl $1 = version to compare against
47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
48 dnl $3 = code to use if AC_ACVERSION is older than $1.
49 define([CF_ACVERSION_CHECK],
51 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
52 ifdef([m4_version_compare],
53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
54 [CF_ACVERSION_COMPARE(
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
57 dnl ---------------------------------------------------------------------------
58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
59 dnl --------------------
60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
61 dnl MAJOR2, MINOR2, TERNARY2,
62 dnl PRINTABLE2, not FOUND, FOUND)
63 define([CF_ACVERSION_COMPARE],
64 [ifelse(builtin([eval], [$2 < $5]), 1,
65 [ifelse([$8], , ,[$8])],
66 [ifelse([$9], , ,[$9])])])dnl
67 dnl ---------------------------------------------------------------------------
68 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
69 dnl -------------------
70 dnl Construct the list of include-options for the C programs in the Ada95
72 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
74 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
75 if test "$srcdir" != "."; then
76 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
78 if test "$GCC" != yes; then
79 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
80 elif test "$includedir" != "/usr/include"; then
81 if test "$includedir" = '${prefix}/include' ; then
82 if test x$prefix != x/usr ; then
83 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
86 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
91 dnl ---------------------------------------------------------------------------
92 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
94 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
95 AC_DEFUN([CF_ADD_ADAFLAGS],[
96 ADAFLAGS="$ADAFLAGS $1"
99 dnl ---------------------------------------------------------------------------
100 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
102 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
103 dnl The second parameter if given makes this macro verbose.
105 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
106 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
107 dnl confused by the quotes (which require backslashes to keep them usable).
108 AC_DEFUN([CF_ADD_CFLAGS],
113 cf_new_extra_cppflags=
115 for cf_add_cflags in $1
117 case $cf_fix_cppflags in
119 case $cf_add_cflags in #(vi
120 -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
121 case $cf_add_cflags in
123 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
125 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
126 && test -z "${cf_tst_cflags}" \
127 && cf_fix_cppflags=yes
129 if test $cf_fix_cppflags = yes ; then
130 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
132 elif test "${cf_tst_cflags}" = "\"'" ; then
133 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
139 *$cf_add_cflags) #(vi
142 case $cf_add_cflags in #(vi
144 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
145 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
148 cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
153 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
158 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
160 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
162 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
163 && test -z "${cf_tst_cflags}" \
164 && cf_fix_cppflags=no
169 if test -n "$cf_new_cflags" ; then
170 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
171 CFLAGS="$CFLAGS $cf_new_cflags"
174 if test -n "$cf_new_cppflags" ; then
175 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
176 CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
179 if test -n "$cf_new_extra_cppflags" ; then
180 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
181 EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
184 AC_SUBST(EXTRA_CPPFLAGS)
187 dnl ---------------------------------------------------------------------------
188 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
190 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
191 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
192 dnl but old versions (and some misinstalled ones) need that. To make things
193 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
194 dnl the include-path).
195 AC_DEFUN([CF_ADD_INCDIR],
197 if test -n "$1" ; then
198 for cf_add_incdir in $1
200 while test $cf_add_incdir != /usr/include
202 if test -d $cf_add_incdir
205 if test -n "$CFLAGS$CPPFLAGS" ; then
206 # a loop is needed to ensure we can add subdirs of existing dirs
207 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
208 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
209 cf_have_incdir=yes; break
214 if test "$cf_have_incdir" = no ; then
215 if test "$cf_add_incdir" = /usr/local/include ; then
218 cf_save_CPPFLAGS=$CPPFLAGS
219 CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
220 AC_TRY_COMPILE([#include <stdio.h>],
223 [cf_have_incdir=yes])
224 CPPFLAGS=$cf_save_CPPFLAGS
229 if test "$cf_have_incdir" = no ; then
230 CF_VERBOSE(adding $cf_add_incdir to include-path)
231 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
233 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
234 test "$cf_top_incdir" = "$cf_add_incdir" && break
235 cf_add_incdir="$cf_top_incdir"
244 dnl ---------------------------------------------------------------------------
245 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
247 dnl Add a library, used to enforce consistency.
249 dnl $1 = library to add, without the "-l"
250 dnl $2 = variable to update (default $LIBS)
251 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
252 dnl ---------------------------------------------------------------------------
253 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
255 dnl Adds to the library-path
257 dnl Some machines have trouble with multiple -L options.
259 dnl $1 is the (list of) directory(s) to add
260 dnl $2 is the optional name of the variable to update (default LDFLAGS)
262 AC_DEFUN([CF_ADD_LIBDIR],
264 if test -n "$1" ; then
265 for cf_add_libdir in $1
267 if test $cf_add_libdir = /usr/lib ; then
269 elif test -d $cf_add_libdir
272 if test -n "$LDFLAGS$LIBS" ; then
273 # a loop is needed to ensure we can add subdirs of existing dirs
274 for cf_test_libdir in $LDFLAGS $LIBS ; do
275 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
276 cf_have_libdir=yes; break
280 if test "$cf_have_libdir" = no ; then
281 CF_VERBOSE(adding $cf_add_libdir to library-path)
282 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
288 dnl ---------------------------------------------------------------------------
289 dnl CF_ADD_LIBS version: 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_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
713 dnl ------------------------
714 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
715 AC_MSG_CHECKING(if we want to use GNAT projects)
716 CF_ARG_DISABLE(gnat-projects,
717 [ --disable-gnat-projects test: disable GNAT projects even if usable],
718 [enable_gnat_projects=no],
719 [enable_gnat_projects=yes])
720 AC_MSG_RESULT($enable_gnat_projects)
722 dnl ---------------------------------------------------------------------------
723 dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
724 dnl ------------------
725 dnl This is the "--enable-pc-files" option, which is available if there is a
726 dnl pkg-config configuration on the local machine.
727 AC_DEFUN([CF_ENABLE_PC_FILES],[
728 AC_REQUIRE([CF_PKG_CONFIG])
729 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
731 if test "$PKG_CONFIG" != none ; then
732 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
733 AC_ARG_ENABLE(pc-files,
734 [ --enable-pc-files generate and install .pc files for pkg-config],
735 [enable_pc_files=$enableval],
736 [enable_pc_files=no])
737 AC_MSG_RESULT($enable_pc_files)
738 if test "$enable_pc_files" != no
740 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
746 dnl ---------------------------------------------------------------------------
747 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
749 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
750 dnl prefer a standard location, and use -L options only if we do not find the
751 dnl library in the standard library location(s).
752 dnl $1 = library name
753 dnl $2 = library class, usually the same as library name
755 dnl $4 = code fragment to compile/link
756 dnl $5 = corresponding function-name
757 dnl $6 = flag, nonnull if failure should not cause an error-exit
759 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
760 dnl to use a -L option.
761 AC_DEFUN([CF_FIND_LIBRARY],
763 eval 'cf_cv_have_lib_'$1'=no'
766 eval 'cf_cv_have_lib_'$1'=yes',[
768 AC_MSG_CHECKING(for $5 in -l$1)
770 AC_TRY_LINK([$3],[$4],
772 eval 'cf_cv_have_lib_'$1'=yes'
775 CF_LIBRARY_PATH(cf_search,$2)
776 for cf_libdir in $cf_search
778 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
779 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
780 AC_TRY_LINK([$3],[$4],
782 eval 'cf_cv_have_lib_'$1'=yes'
785 LIBS="$cf_save_LIBS"])
789 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
791 if test $cf_found_library = no ; then
792 AC_MSG_ERROR(Cannot link $1 library)
796 dnl ---------------------------------------------------------------------------
797 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
799 dnl Find a library (specifically the linkage used in the code fragment),
800 dnl searching for it if it is not already in the library path.
801 dnl See also CF_ADD_SEARCHPATH.
803 dnl Parameters (4-on are optional):
804 dnl $1 = headers for library entrypoint
805 dnl $2 = code fragment for library entrypoint
806 dnl $3 = the library name without the "-l" option or ".so" suffix.
807 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
808 dnl $5 = action to perform if not successful
809 dnl $6 = module name, if not the same as the library name
810 dnl $7 = extra libraries
812 dnl Sets these variables:
813 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
814 dnl $cf_cv_header_path_$3 - include-directory if needed
815 dnl $cf_cv_library_path_$3 - library-directory if needed
816 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
817 AC_DEFUN([CF_FIND_LINKAGE],[
819 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
820 # will be set on completion of the AC_TRY_LINK below.
821 cf_cv_header_path_$3=
822 cf_cv_library_path_$3=
824 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
828 AC_TRY_LINK([$1],[$2],[
829 cf_cv_find_linkage_$3=yes
830 cf_cv_header_path_$3=/usr/include
831 cf_cv_library_path_$3=/usr/lib
834 LIBS="-l$3 $7 $cf_save_LIBS"
836 AC_TRY_LINK([$1],[$2],[
837 cf_cv_find_linkage_$3=yes
838 cf_cv_header_path_$3=/usr/include
839 cf_cv_library_path_$3=/usr/lib
840 cf_cv_library_file_$3="-l$3"
842 cf_cv_find_linkage_$3=no
845 CF_VERBOSE(find linkage for $3 library)
846 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
848 cf_save_CPPFLAGS="$CPPFLAGS"
849 cf_test_CPPFLAGS="$CPPFLAGS"
851 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
852 for cf_cv_header_path_$3 in $cf_search
854 if test -d $cf_cv_header_path_$3 ; then
855 CF_VERBOSE(... testing $cf_cv_header_path_$3)
856 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
857 AC_TRY_COMPILE([$1],[$2],[
858 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
859 cf_cv_find_linkage_$3=maybe
860 cf_test_CPPFLAGS="$CPPFLAGS"
862 CPPFLAGS="$cf_save_CPPFLAGS"
867 if test "$cf_cv_find_linkage_$3" = maybe ; then
869 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
872 cf_save_LDFLAGS="$LDFLAGS"
875 CPPFLAGS="$cf_test_CPPFLAGS"
876 LIBS="-l$3 $7 $cf_save_LIBS"
877 AC_TRY_LINK([$1],[$2],[
878 CF_VERBOSE(... found $3 library in system)
879 cf_cv_find_linkage_$3=yes])
880 CPPFLAGS="$cf_save_CPPFLAGS"
884 if test "$cf_cv_find_linkage_$3" != yes ; then
885 CF_LIBRARY_PATH(cf_search,$3)
886 for cf_cv_library_path_$3 in $cf_search
888 if test -d $cf_cv_library_path_$3 ; then
889 CF_VERBOSE(... testing $cf_cv_library_path_$3)
890 CPPFLAGS="$cf_test_CPPFLAGS"
891 LIBS="-l$3 $7 $cf_save_LIBS"
892 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
893 AC_TRY_LINK([$1],[$2],[
894 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
895 cf_cv_find_linkage_$3=yes
896 cf_cv_library_file_$3="-l$3"
898 CPPFLAGS="$cf_save_CPPFLAGS"
900 LDFLAGS="$cf_save_LDFLAGS"
904 CPPFLAGS="$cf_save_CPPFLAGS"
905 LDFLAGS="$cf_save_LDFLAGS"
909 cf_cv_find_linkage_$3=no
916 if test "$cf_cv_find_linkage_$3" = yes ; then
918 CF_ADD_INCDIR($cf_cv_header_path_$3)
919 CF_ADD_LIBDIR($cf_cv_library_path_$3)
923 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
926 dnl ---------------------------------------------------------------------------
927 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
928 dnl -----------------
929 dnl make ADAFLAGS consistent with CFLAGS
930 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
931 AC_MSG_CHECKING(optimization options for ADAFLAGS)
939 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
940 CF_ADD_ADAFLAGS($cf_O_flag)
943 AC_MSG_RESULT($ADAFLAGS)
945 dnl ---------------------------------------------------------------------------
946 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
947 dnl -----------------
948 dnl Test for availability of useful gcc __attribute__ directives to quiet
949 dnl compiler warnings. Though useful, not all are supported -- and contrary
950 dnl to documentation, unrecognized directives cause older compilers to barf.
951 AC_DEFUN([CF_GCC_ATTRIBUTES],
955 cat > conftest.i <<EOF
963 #define GCC_NORETURN /* nothing */
966 #define GCC_UNUSED /* nothing */
971 AC_CHECKING([for $CC __attribute__ directives])
972 cat > conftest.$ac_ext <<EOF
973 #line __oline__ "${as_me:-configure}"
974 #include "confdefs.h"
975 #include "conftest.h"
976 #include "conftest.i"
978 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
980 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
983 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
985 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
987 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
988 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
989 extern void foo(void) GCC_NORETURN;
990 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
992 cf_printf_attribute=no
993 cf_scanf_attribute=no
994 for cf_attribute in scanf printf unused noreturn
996 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
997 cf_directive="__attribute__(($cf_attribute))"
998 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1000 case $cf_attribute in #(vi
1002 cf_printf_attribute=yes
1003 cat >conftest.h <<EOF
1004 #define GCC_$cf_ATTRIBUTE 1
1008 cf_scanf_attribute=yes
1009 cat >conftest.h <<EOF
1010 #define GCC_$cf_ATTRIBUTE 1
1014 cat >conftest.h <<EOF
1015 #define GCC_$cf_ATTRIBUTE $cf_directive
1020 if AC_TRY_EVAL(ac_compile); then
1021 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1022 cat conftest.h >>confdefs.h
1023 case $cf_attribute in #(vi
1025 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1028 cf_value='/* nothing */'
1029 if test "$cf_printf_attribute" != no ; then
1030 cf_value='__attribute__((format(printf,fmt,var)))'
1031 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1033 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1036 cf_value='/* nothing */'
1037 if test "$cf_scanf_attribute" != no ; then
1038 cf_value='__attribute__((format(scanf,fmt,var)))'
1039 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1041 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1044 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1050 fgrep define conftest.i >>confdefs.h
1055 dnl ---------------------------------------------------------------------------
1056 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1058 dnl Find version of gcc
1059 AC_DEFUN([CF_GCC_VERSION],[
1060 AC_REQUIRE([AC_PROG_CC])
1062 if test "$GCC" = yes ; then
1063 AC_MSG_CHECKING(version of $CC)
1064 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1065 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1066 AC_MSG_RESULT($GCC_VERSION)
1069 dnl ---------------------------------------------------------------------------
1070 dnl CF_GCC_WARNINGS version: 31 updated: 2013/11/19 19:23:35
1072 dnl Check if the compiler supports useful warning options. There's a few that
1073 dnl we don't use, simply because they're too noisy:
1075 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1076 dnl -Wredundant-decls (system headers make this too noisy)
1077 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1078 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1079 dnl is enabled for ncurses using "--enable-const".
1083 dnl $1 is an optional list of gcc warning flags that a particular
1084 dnl application might want to use, e.g., "no-unused" for
1087 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1089 AC_DEFUN([CF_GCC_WARNINGS],
1091 AC_REQUIRE([CF_GCC_VERSION])
1092 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1093 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1095 cat > conftest.$ac_ext <<EOF
1096 #line __oline__ "${as_me:-configure}"
1097 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1100 if test "$INTEL_COMPILER" = yes
1102 # The "-wdXXX" options suppress warnings:
1103 # remark #1419: external declaration in primary source file
1104 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1105 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1106 # remark #193: zero used for undefined preprocessing identifier
1107 # remark #593: variable "curs_sb_left_arrow" was set but never used
1108 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1109 # remark #869: parameter "tw" was never referenced
1110 # remark #981: operands are evaluated in unspecified order
1111 # warning #279: controlling expression is constant
1113 AC_CHECKING([for $CC warning options])
1114 cf_save_CFLAGS="$CFLAGS"
1115 EXTRA_CFLAGS="-Wall"
1127 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1128 if AC_TRY_EVAL(ac_compile); then
1129 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1130 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1133 CFLAGS="$cf_save_CFLAGS"
1135 elif test "$GCC" = yes
1137 AC_CHECKING([for $CC warning options])
1138 cf_save_CFLAGS="$CFLAGS"
1141 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1142 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1143 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1144 for cf_opt in W Wall \
1145 Wbad-function-cast \
1148 Wdeclaration-after-statement \
1151 Wmissing-declarations \
1152 Wmissing-prototypes \
1156 Wstrict-prototypes \
1157 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1159 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1160 if AC_TRY_EVAL(ac_compile); then
1161 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1162 case $cf_opt in #(vi
1164 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1167 case $GCC_VERSION in
1169 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1173 Wpointer-arith) #(vi
1174 case $GCC_VERSION in
1176 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1181 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1184 CFLAGS="$cf_save_CFLAGS"
1188 AC_SUBST(EXTRA_CFLAGS)
1190 dnl ---------------------------------------------------------------------------
1191 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1192 dnl ----------------
1193 AC_DEFUN([CF_GNAT_GENERICS],
1195 AC_REQUIRE([CF_GNAT_VERSION])
1197 AC_MSG_CHECKING(if GNAT supports generics)
1198 case $cf_gnat_version in #(vi
1199 3.[[1-9]]*|[[4-9]].*) #(vi
1200 cf_gnat_generics=yes
1206 AC_MSG_RESULT($cf_gnat_generics)
1208 if test "$cf_gnat_generics" = yes
1210 cf_compile_generics=generics
1211 cf_generic_objects="\${GENOBJS}"
1213 cf_compile_generics=
1217 AC_SUBST(cf_compile_generics)
1218 AC_SUBST(cf_generic_objects)
1220 dnl ---------------------------------------------------------------------------
1221 dnl CF_GNAT_PROJECTS version: 7 updated: 2014/06/01 10:46:34
1222 dnl ----------------
1223 dnl GNAT projects are configured with ".gpr" project files.
1224 dnl GNAT libraries are a further development, using the project feature.
1225 AC_DEFUN([CF_GNAT_PROJECTS],
1227 AC_REQUIRE([CF_GNAT_VERSION])
1228 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1230 cf_gnat_libraries=no
1233 if test "$enable_gnat_projects" != no ; then
1234 AC_MSG_CHECKING(if GNAT supports project files)
1235 case $cf_gnat_version in #(vi
1239 case $cf_cv_system_name in #(vi
1243 mkdir conftest.src conftest.bin conftest.lib
1245 rm -rf conftest* *~conftest*
1246 cat >>library.gpr <<CF_EOF
1248 Kind := External ("LIB_KIND");
1249 for Library_Name use "ConfTest";
1250 for Object_Dir use ".";
1251 for Library_ALI_Dir use External("LIBRARY_DIR");
1252 for Library_Version use External ("SONAME");
1253 for Library_Kind use Kind;
1254 for Library_Dir use External("BUILD_DIR");
1255 Source_Dir := External ("SOURCE_DIR");
1256 for Source_Dirs use (Source_Dir);
1259 cat >>confpackage.ads <<CF_EOF
1260 package ConfPackage is
1264 cat >>confpackage.adb <<CF_EOF
1266 package body ConfPackage is
1267 procedure conftest is
1269 Text_IO.Put ("Hello World");
1274 if ( $cf_ada_make $ADAFLAGS \
1276 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1277 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1278 -XSOURCE_DIR=`pwd` \
1279 -XSONAME=libConfTest.so.1 \
1280 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1281 cf_gnat_projects=yes
1284 if test -f conftest.lib/confpackage.ali
1286 cf_gnat_libraries=yes
1288 rm -rf conftest* *~conftest*
1293 AC_MSG_RESULT($cf_gnat_projects)
1294 fi # enable_gnat_projects
1296 if test $cf_gnat_projects = yes
1298 AC_MSG_CHECKING(if GNAT supports libraries)
1299 AC_MSG_RESULT($cf_gnat_libraries)
1302 if test "$cf_gnat_projects" = yes
1304 USE_OLD_MAKERULES="#"
1305 USE_GNAT_PROJECTS=""
1307 USE_OLD_MAKERULES=""
1308 USE_GNAT_PROJECTS="#"
1311 if test "$cf_gnat_libraries" = yes
1313 USE_GNAT_LIBRARIES=""
1315 USE_GNAT_LIBRARIES="#"
1318 AC_SUBST(USE_OLD_MAKERULES)
1319 AC_SUBST(USE_GNAT_PROJECTS)
1320 AC_SUBST(USE_GNAT_LIBRARIES)
1322 dnl ---------------------------------------------------------------------------
1323 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1325 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1326 dnl is noted that gnat may compile a tasking unit even for configurations which
1327 dnl fail at runtime.
1328 AC_DEFUN([CF_GNAT_SIGINT],[
1329 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1330 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1334 pragma Warnings (Off); -- the next pragma exists since 3.11p
1335 pragma Unreserve_All_Interrupts;
1336 pragma Warnings (On);
1338 protected Process is
1340 function Continue return Boolean;
1341 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1343 Done : Boolean := False;
1347 [package body ConfTest is
1348 protected body Process is
1353 function Continue return Boolean is
1359 [cf_cv_gnat_sigint=yes],
1360 [cf_cv_gnat_sigint=no])])
1362 if test $cf_cv_gnat_sigint = yes ; then
1367 AC_SUBST(USE_GNAT_SIGINT)
1369 dnl ---------------------------------------------------------------------------
1370 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1371 dnl ----------------
1372 dnl Verify that a test program compiles/links with GNAT.
1373 dnl $cf_ada_make is set to the program that compiles/links
1374 dnl $ADAFLAGS may be set to the GNAT flags.
1376 dnl $1 is the text of the spec
1377 dnl $2 is the text of the body
1378 dnl $3 is the shell command to execute if successful
1379 dnl $4 is the shell command to execute if not successful
1380 AC_DEFUN([CF_GNAT_TRY_LINK],
1382 rm -rf conftest* *~conftest*
1383 cat >>conftest.ads <<CF_EOF
1386 cat >>conftest.adb <<CF_EOF
1389 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1390 ifelse($3,, :,[ $3])
1394 rm -rf conftest* *~conftest*
1396 dnl ---------------------------------------------------------------------------
1397 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1399 dnl Verify that a test program compiles and runs with GNAT
1400 dnl $cf_ada_make is set to the program that compiles/links
1401 dnl $ADAFLAGS may be set to the GNAT flags.
1403 dnl $1 is the text of the spec
1404 dnl $2 is the text of the body
1405 dnl $3 is the shell command to execute if successful
1406 dnl $4 is the shell command to execute if not successful
1407 AC_DEFUN([CF_GNAT_TRY_RUN],
1409 rm -rf conftest* *~conftest*
1410 cat >>conftest.ads <<CF_EOF
1413 cat >>conftest.adb <<CF_EOF
1416 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1417 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1418 ifelse($3,, :,[ $3])
1425 rm -rf conftest* *~conftest*
1427 dnl ---------------------------------------------------------------------------
1428 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
1430 dnl Verify version of GNAT.
1431 AC_DEFUN([CF_GNAT_VERSION],
1433 AC_MSG_CHECKING(for gnat version)
1434 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1435 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1436 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1437 AC_MSG_RESULT($cf_gnat_version)
1439 case $cf_gnat_version in #(vi
1440 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
1441 cf_cv_prog_gnat_correct=yes
1444 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1445 cf_cv_prog_gnat_correct=no
1449 dnl ---------------------------------------------------------------------------
1450 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1452 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1453 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1454 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1455 dnl since it is interwoven with GNU extensions.
1457 dnl Well, yes we could work around it...
1458 AC_DEFUN([CF_GNU_SOURCE],
1460 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1461 AC_TRY_COMPILE([#include <sys/types.h>],[
1462 #ifndef _XOPEN_SOURCE
1465 [cf_cv_gnu_source=no],
1466 [cf_save="$CPPFLAGS"
1467 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1468 AC_TRY_COMPILE([#include <sys/types.h>],[
1469 #ifdef _XOPEN_SOURCE
1472 [cf_cv_gnu_source=no],
1473 [cf_cv_gnu_source=yes])
1477 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1479 dnl ---------------------------------------------------------------------------
1480 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1482 dnl Construct a search-list of directories for a nonstandard header-file
1485 dnl $1 = the variable to return as result
1486 dnl $2 = the package name
1487 AC_DEFUN([CF_HEADER_PATH],
1491 # collect the current set of include-directories from compiler flags
1492 cf_header_path_list=""
1493 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1494 for cf_header_path in $CPPFLAGS $CFLAGS
1496 case $cf_header_path in #(vi
1498 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1499 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1500 cf_header_path_list="$cf_header_path_list [$]$1"
1506 # add the variations for the package we are looking for
1507 CF_SUBDIR_PATH($1,$2,include)
1509 test "$includedir" != NONE && \
1510 test "$includedir" != "/usr/include" && \
1511 test -d "$includedir" && {
1512 test -d $includedir && $1="[$]$1 $includedir"
1513 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1516 test "$oldincludedir" != NONE && \
1517 test "$oldincludedir" != "/usr/include" && \
1518 test -d "$oldincludedir" && {
1519 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1520 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1523 $1="[$]$1 $cf_header_path_list"
1525 dnl ---------------------------------------------------------------------------
1526 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1528 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1529 AC_DEFUN([CF_HELP_MESSAGE],
1530 [AC_DIVERT_HELP([$1])dnl
1532 dnl ---------------------------------------------------------------------------
1533 dnl CF_INCLUDE_DIRS version: 8 updated: 2013/10/12 16:45:09
1535 dnl Construct the list of include-options according to whether we're building
1536 dnl in the source directory or using '--srcdir=DIR' option. If we're building
1537 dnl with gcc, don't append the includedir if it happens to be /usr/include,
1538 dnl since that usually breaks gcc's shadow-includes.
1539 AC_DEFUN([CF_INCLUDE_DIRS],
1541 if test "$GCC" != yes; then
1542 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1543 elif test "$includedir" != "/usr/include"; then
1544 if test "$includedir" = '${prefix}/include' ; then
1545 if test x$prefix != x/usr ; then
1546 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1549 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1552 if test "$srcdir" != "."; then
1553 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1555 CPPFLAGS="-I. -I../include $CPPFLAGS"
1558 dnl ---------------------------------------------------------------------------
1559 dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
1560 dnl -----------------
1561 dnl Check if the given compiler is really the Intel compiler for Linux. It
1562 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1563 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1565 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1566 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1567 dnl the wrappers for gcc and g++ warnings.
1569 dnl $1 = GCC (default) or GXX
1570 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1571 dnl $3 = CFLAGS (default) or CXXFLAGS
1572 AC_DEFUN([CF_INTEL_COMPILER],[
1573 AC_REQUIRE([AC_CANONICAL_HOST])
1574 ifelse([$2],,INTEL_COMPILER,[$2])=no
1576 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1579 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1580 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1581 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1583 #ifdef __INTEL_COMPILER
1587 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1588 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1590 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1591 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1596 dnl ---------------------------------------------------------------------------
1597 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1599 dnl Add checks for large file support.
1600 AC_DEFUN([CF_LARGEFILE],[
1601 ifdef([AC_FUNC_FSEEKO],[
1603 if test "$enable_largefile" != no ; then
1606 # Normally we would collect these definitions in the config.h,
1607 # but (like _XOPEN_SOURCE), some environments rely on having these
1608 # defined before any of the system headers are included. Another
1609 # case comes up with C++, e.g., on AIX the compiler compiles the
1610 # header files by themselves before looking at the body files it is
1611 # told to compile. For ncurses, those header files do not include
1613 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1614 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1615 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1617 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1619 #include <sys/types.h>
1622 /* if transitional largefile support is setup, this is true */
1623 extern struct dirent64 * readdir(DIR *);
1624 struct dirent64 *x = readdir((DIR *)0);
1625 struct dirent *y = readdir((DIR *)0);
1628 [cf_cv_struct_dirent64=yes],
1629 [cf_cv_struct_dirent64=no])
1631 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1635 dnl ---------------------------------------------------------------------------
1636 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1638 dnl For the given system and compiler, find the compiler flags to pass to the
1639 dnl loader to use the "rpath" feature.
1640 AC_DEFUN([CF_LD_RPATH_OPT],
1642 AC_REQUIRE([CF_CHECK_CACHE])
1645 AC_MSG_CHECKING(for an rpath option)
1646 case $cf_cv_system_name in #(vi
1648 if test "$GCC" = yes; then
1649 LD_RPATH_OPT="-Wl,-rpath,"
1651 LD_RPATH_OPT="-rpath "
1654 linux*|gnu*|k*bsd*-gnu) #(vi
1655 LD_RPATH_OPT="-Wl,-rpath,"
1657 openbsd[[2-9]].*|mirbsd*) #(vi
1658 LD_RPATH_OPT="-Wl,-rpath,"
1660 dragonfly*|freebsd*) #(vi
1661 LD_RPATH_OPT="-rpath "
1664 LD_RPATH_OPT="-Wl,-rpath,"
1667 LD_RPATH_OPT="-rpath "
1675 AC_MSG_RESULT($LD_RPATH_OPT)
1677 case "x$LD_RPATH_OPT" in #(vi
1679 AC_MSG_CHECKING(if we need a space after rpath option)
1680 cf_save_LIBS="$LIBS"
1681 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1682 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1683 LIBS="$cf_save_LIBS"
1684 AC_MSG_RESULT($cf_rpath_space)
1685 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1689 dnl ---------------------------------------------------------------------------
1690 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1692 dnl Construct a search-list of directories for a nonstandard library-file
1695 dnl $1 = the variable to return as result
1696 dnl $2 = the package name
1697 AC_DEFUN([CF_LIBRARY_PATH],
1700 cf_library_path_list=""
1701 if test -n "${LDFLAGS}${LIBS}" ; then
1702 for cf_library_path in $LDFLAGS $LIBS
1704 case $cf_library_path in #(vi
1706 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1707 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1708 cf_library_path_list="$cf_library_path_list [$]$1"
1714 CF_SUBDIR_PATH($1,$2,lib)
1716 $1="$cf_library_path_list [$]$1"
1718 dnl ---------------------------------------------------------------------------
1719 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1721 dnl Compute the library-prefix for the given host system
1722 dnl $1 = variable to set
1723 define([CF_LIB_PREFIX],
1725 case $cf_cv_system_name in #(vi
1732 ifelse($1,,,[$1=$LIB_PREFIX])
1733 AC_SUBST(LIB_PREFIX)
1735 dnl ---------------------------------------------------------------------------
1736 dnl CF_LIB_SUFFIX version: 23 updated: 2014/06/21 17:47:12
1738 dnl Compute the library file-suffix from the given model name
1740 dnl $2 = variable to set (the nominal library suffix)
1741 dnl $3 = dependency variable to set (actual filename)
1742 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1743 AC_DEFUN([CF_LIB_SUFFIX],
1759 case $cf_cv_system_name in
1764 cygwin*|msys*|mingw*) #(vi
1795 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1796 test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1798 dnl ---------------------------------------------------------------------------
1799 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1801 dnl Compute the string to append to -library from the given model name
1803 dnl $2 = variable to set
1804 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1805 AC_DEFUN([CF_LIB_TYPE],
1814 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1816 dnl ---------------------------------------------------------------------------
1817 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1818 dnl ----------------
1819 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1820 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1821 dnl have to provide wrappers for global tables to ensure they're linked
1823 AC_DEFUN([CF_LINK_DATAONLY],
1825 AC_MSG_CHECKING([if data-only library module links])
1826 AC_CACHE_VAL(cf_cv_link_dataonly,[
1828 cat >conftest.$ac_ext <<EOF
1829 #line __oline__ "configure"
1830 int testdata[[3]] = { 123, 456, 789 };
1832 if AC_TRY_EVAL(ac_compile) ; then
1833 mv conftest.o data.o && \
1834 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1836 rm -f conftest.$ac_ext data.o
1837 cat >conftest.$ac_ext <<EOF
1838 #line __oline__ "configure"
1842 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1844 extern int testdata[[3]];
1845 return testdata[[0]] == 123
1846 && testdata[[1]] == 456
1847 && testdata[[2]] == 789;
1851 if AC_TRY_EVAL(ac_compile); then
1852 mv conftest.o func.o && \
1853 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1855 rm -f conftest.$ac_ext func.o
1856 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1858 LIBS="conftest.a $LIBS"
1862 extern int testfunc();
1863 ${cf_cv_main_return:-return} (!testfunc());
1866 [cf_cv_link_dataonly=yes],
1867 [cf_cv_link_dataonly=no],
1868 [cf_cv_link_dataonly=unknown])
1871 AC_MSG_RESULT($cf_cv_link_dataonly)
1873 if test "$cf_cv_link_dataonly" = no ; then
1874 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1879 dnl ---------------------------------------------------------------------------
1880 dnl CF_MAKEFLAGS version: 15 updated: 2014/05/10 16:43:23
1882 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1883 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1884 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1885 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1886 AC_DEFUN([CF_MAKEFLAGS],
1888 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1890 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1892 cat >cf_makeflags.tmp <<CF_EOF
1895 @ echo '.$cf_option'
1897 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1898 case "$cf_result" in
1900 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1901 case "$cf_result" in
1902 .*CC=*) cf_cv_makeflags=
1904 *) cf_cv_makeflags=$cf_option
1910 *) echo "given option \"$cf_option\", no match \"$cf_result\""
1914 rm -f cf_makeflags.tmp
1917 AC_SUBST(cf_cv_makeflags)
1919 dnl ---------------------------------------------------------------------------
1920 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1922 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
1923 dnl a monocase filesystem.
1924 AC_DEFUN([CF_MAKE_TAGS],[
1925 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1927 AC_CHECK_PROGS(CTAGS, exctags ctags)
1928 AC_CHECK_PROGS(ETAGS, exetags etags)
1930 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1932 if test "$cf_cv_mixedcase" = yes ; then
1933 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1938 if test "$MAKE_UPPER_TAGS" = yes ; then
1944 if test "$MAKE_LOWER_TAGS" = yes ; then
1953 AC_SUBST(MAKE_UPPER_TAGS)
1954 AC_SUBST(MAKE_LOWER_TAGS)
1956 dnl ---------------------------------------------------------------------------
1957 dnl CF_MIXEDCASE_FILENAMES version: 6 updated: 2013/10/08 17:47:05
1958 dnl ----------------------
1959 dnl Check if the file-system supports mixed-case filenames. If we're able to
1960 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1961 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1963 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1964 if test "$cross_compiling" = yes ; then
1965 case $target_alias in #(vi
1966 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) #(vi
1974 rm -f conftest CONFTEST
1976 if test -f CONFTEST ; then
1981 rm -f conftest CONFTEST
1984 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
1986 dnl ---------------------------------------------------------------------------
1987 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
1989 dnl Check for a working mkstemp. This creates two files, checks that they are
1990 dnl successfully created and distinct (AmigaOS apparently fails on the last).
1991 AC_DEFUN([CF_MKSTEMP],[
1992 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
1995 #include <sys/types.h>
1999 #include <sys/stat.h>
2002 char *tmpl = "conftestXXXXXX";
2010 for (n = 0; n < 2; ++n) {
2011 strcpy(name[n], tmpl);
2012 if ((fd = mkstemp(name[n])) >= 0) {
2013 if (!strcmp(name[n], tmpl)
2014 || stat(name[n], &sb) != 0
2015 || (sb.st_mode & S_IFMT) != S_IFREG
2016 || (sb.st_mode & 077) != 0) {
2023 && !strcmp(name[0], name[1]))
2025 ${cf_cv_main_return:-return}(result);
2027 ],[cf_cv_func_mkstemp=yes
2028 ],[cf_cv_func_mkstemp=no
2029 ],[cf_cv_func_mkstemp=maybe])
2031 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2032 AC_CHECK_FUNC(mkstemp)
2034 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2035 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2038 dnl ---------------------------------------------------------------------------
2039 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2041 dnl Write a debug message to config.log, along with the line number in the
2042 dnl configure script.
2043 AC_DEFUN([CF_MSG_LOG],[
2044 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2046 dnl ---------------------------------------------------------------------------
2047 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2048 dnl ----------------
2049 dnl Configure an ncurses add-on, built outside the ncurses tree.
2050 AC_DEFUN([CF_NCURSES_ADDON],[
2052 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2054 AC_MSG_CHECKING(if you want wide-character code)
2055 AC_ARG_ENABLE(widec,
2056 [ --enable-widec compile with wide-char/UTF-8 code],
2057 [with_widec=$enableval],
2059 AC_MSG_RESULT($with_widec)
2060 if test "$with_widec" = yes ; then
2062 CF_NCURSES_CONFIG(ncursesw)
2064 CF_NCURSES_CONFIG(ncurses)
2067 if test "$NCURSES_CONFIG" != none ; then
2069 cf_version=`$NCURSES_CONFIG --version`
2071 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2072 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2073 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2075 # ABI version is not available from headers
2076 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2080 for cf_name in MAJOR MINOR PATCH
2082 cat >conftest.$ac_ext <<CF_EOF
2083 #include <${cf_cv_ncurses_header:-curses.h}>
2084 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2086 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2088 if test -f conftest.out ; then
2089 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2090 eval NCURSES_$cf_name=\"$cf_result\"
2091 # cat conftest.$ac_ext
2096 cf_cv_abi_version=${NCURSES_MAJOR}
2100 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2102 dnl Show the computed version, for logging
2103 cf_cv_timestamp=`date`
2105 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2107 dnl We need these values in the generated headers
2108 AC_SUBST(NCURSES_MAJOR)
2109 AC_SUBST(NCURSES_MINOR)
2110 AC_SUBST(NCURSES_PATCH)
2112 dnl We need these values in the generated makefiles
2113 AC_SUBST(cf_cv_rel_version)
2114 AC_SUBST(cf_cv_abi_version)
2116 dnl FIXME - not needed for Ada95
2117 AC_SUBST(cf_cv_builtin_bool)
2118 AC_SUBST(cf_cv_header_stdbool_h)
2119 AC_SUBST(cf_cv_type_of_bool)dnl
2122 dnl ---------------------------------------------------------------------------
2123 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2124 dnl -------------------
2125 dnl Check if we can compile with ncurses' header file
2126 dnl $1 is the cache variable to set
2127 dnl $2 is the header-file to include
2128 dnl $3 is the root name (ncurses or ncursesw)
2129 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2131 ]ifelse($3,ncursesw,[
2132 #define _XOPEN_SOURCE_EXTENDED
2133 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2134 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2137 #ifdef NCURSES_VERSION
2138 ]ifelse($3,ncursesw,[
2143 printf("%s\n", NCURSES_VERSION);
2155 dnl ---------------------------------------------------------------------------
2156 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2157 dnl -----------------
2158 dnl Tie together the configure-script macros for ncurses.
2159 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2160 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2162 dnl $1 is the root library name (default: "ncurses")
2163 AC_DEFUN([CF_NCURSES_CONFIG],
2165 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2167 echo "Looking for ${cf_ncuconfig_root}-config"
2169 CF_ACVERSION_CHECK(2.52,
2170 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2171 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2173 if test "$NCURSES_CONFIG" != none ; then
2175 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2176 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2178 # even with config script, some packages use no-override for curses.h
2179 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2181 dnl like CF_NCURSES_CPPFLAGS
2182 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2184 dnl like CF_NCURSES_LIBS
2185 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2186 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2188 dnl like CF_NCURSES_VERSION
2189 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2193 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2194 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2198 dnl ---------------------------------------------------------------------------
2199 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2200 dnl -------------------
2201 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2202 dnl the CPPFLAGS variable so we can include its header.
2204 dnl The header files may be installed as either curses.h, or ncurses.h (would
2205 dnl be obsolete, except that some packagers prefer this name to distinguish it
2206 dnl from a "native" curses implementation). If not installed for overwrite,
2207 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2208 dnl /usr/include/ncurses), but someone may have installed overwriting the
2209 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2210 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2213 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2214 dnl is already in the include-path, don't even bother with this, since we cannot
2215 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2217 dnl The optional parameter gives the root name of the library, in case it is
2218 dnl not installed as the default curses library. That is how the
2219 dnl wide-character version of ncurses is installed.
2220 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2221 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2223 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2224 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2226 test -n "$cf_cv_curses_dir" && \
2227 test "$cf_cv_curses_dir" != "no" && { \
2228 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2231 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2232 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2233 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2234 for cf_header in $cf_header_list
2236 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2237 test "$cf_cv_ncurses_h" != no && break
2244 # some applications need this, but should check for NCURSES_VERSION
2245 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2249 dnl ---------------------------------------------------------------------------
2250 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2251 dnl -----------------
2252 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2253 dnl variations of ncurses' installs.
2255 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2256 AC_DEFUN([CF_NCURSES_HEADER],[
2258 if test "$cf_cv_ncurses_h" != no ; then
2259 cf_cv_ncurses_header=$cf_cv_ncurses_h
2262 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2263 test -n "$verbose" && echo
2264 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2265 test -n "$verbose" && echo search path $cf_search
2266 cf_save2_CPPFLAGS="$CPPFLAGS"
2267 for cf_incdir in $cf_search
2269 CF_ADD_INCDIR($cf_incdir)
2274 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2275 if test "$cf_cv_ncurses_h2" != no ; then
2276 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2277 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2280 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2282 CPPFLAGS="$cf_save2_CPPFLAGS"
2283 test "$cf_cv_ncurses_h2" != no && break
2285 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2288 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2289 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2290 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2291 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2293 CF_ADD_INCDIR($cf_1st_incdir)
2297 # Set definitions to allow ifdef'ing for ncurses.h
2299 case $cf_cv_ncurses_header in # (vi
2301 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2305 case $cf_cv_ncurses_header in # (vi
2306 ncurses/curses.h|ncurses/ncurses.h)
2307 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2309 ncursesw/curses.h|ncursesw/ncurses.h)
2310 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2315 dnl ---------------------------------------------------------------------------
2316 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2318 dnl Look for the ncurses library. This is a little complicated on Linux,
2319 dnl because it may be linked with the gpm (general purpose mouse) library.
2320 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2321 dnl unusable with ncurses. However, we don't want to link with gpm unless
2322 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2323 dnl and the linker will record a dependency.
2325 dnl The optional parameter gives the root name of the library, in case it is
2326 dnl not installed as the default curses library. That is how the
2327 dnl wide-character version of ncurses is installed.
2328 AC_DEFUN([CF_NCURSES_LIBS],
2329 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2331 cf_nculib_root=ifelse($1,,ncurses,$1)
2332 # This works, except for the special case where we find gpm, but
2333 # ncurses is in a nonstandard location via $LIBS, and we really want
2336 cf_ncurses_SAVE="$LIBS"
2337 AC_CHECK_LIB(gpm,Gpm_Open,
2338 [AC_CHECK_LIB(gpm,initscr,
2339 [LIBS="$cf_ncurses_SAVE"],
2340 [cf_ncurses_LIBS="-lgpm"])])
2342 case $host_os in #(vi
2344 # This is only necessary if you are linking against an obsolete
2345 # version of ncurses (but it should do no harm, since it's static).
2346 if test "$cf_nculib_root" = ncurses ; then
2347 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2352 CF_ADD_LIBS($cf_ncurses_LIBS)
2354 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2356 CF_ADD_LIBS(-l$cf_nculib_root)
2358 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2359 [#include <${cf_cv_ncurses_header:-curses.h}>],
2364 if test -n "$cf_ncurses_LIBS" ; then
2365 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2366 cf_ncurses_SAVE="$LIBS"
2367 for p in $cf_ncurses_LIBS ; do
2368 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2369 if test "$q" != "$LIBS" ; then
2373 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2374 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2375 [AC_MSG_RESULT(yes)],
2377 LIBS="$cf_ncurses_SAVE"])
2380 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2381 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2383 dnl ---------------------------------------------------------------------------
2384 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2385 dnl ------------------
2386 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2387 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2388 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2389 AC_DEFUN([CF_NCURSES_VERSION],
2391 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2392 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2393 cf_cv_ncurses_version=no
2397 #include <${cf_cv_ncurses_header:-curses.h}>
2401 FILE *fp = fopen("$cf_tempfile", "w");
2402 #ifdef NCURSES_VERSION
2403 # ifdef NCURSES_VERSION_PATCH
2404 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2406 fprintf(fp, "%s\n", NCURSES_VERSION);
2410 fprintf(fp, "old\n");
2415 ${cf_cv_main_return:-return}(0);
2417 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2419 # This will not work if the preprocessor splits the line after the
2420 # Autoconf token. The 'unproto' program does that.
2421 cat > conftest.$ac_ext <<EOF
2422 #include <${cf_cv_ncurses_header:-curses.h}>
2424 #ifdef NCURSES_VERSION
2425 Autoconf NCURSES_VERSION
2433 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2435 if test -f conftest.out ; then
2436 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2437 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2443 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2445 dnl ---------------------------------------------------------------------------
2446 dnl CF_OBJ_SUBDIR version: 6 updated: 2013/09/07 14:06:10
2448 dnl Compute the object-directory name from the given model name
2449 AC_DEFUN([CF_OBJ_SUBDIR],
2452 libtool) $2='obj_lo' ;;
2453 normal) $2='objects' ;;
2454 debug) $2='obj_g' ;;
2455 profile) $2='obj_p' ;;
2457 case $cf_cv_system_name in #(vi
2465 dnl ---------------------------------------------------------------------------
2466 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2468 dnl Provide a value for the $PATH and similar separator (or amend the value
2469 dnl as provided in autoconf 2.5x).
2470 AC_DEFUN([CF_PATHSEP],
2472 AC_MSG_CHECKING(for PATH separator)
2473 case $cf_cv_system_name in
2474 os2*) PATH_SEPARATOR=';' ;;
2475 *) ${PATH_SEPARATOR:=':'} ;;
2477 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2478 AC_SUBST(PATH_SEPARATOR)
2479 AC_MSG_RESULT($PATH_SEPARATOR)
2481 dnl ---------------------------------------------------------------------------
2482 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2484 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2485 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2486 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2487 dnl delayed evaluation of those symbols.
2488 AC_DEFUN([CF_PATH_SYNTAX],[
2489 if test "x$prefix" != xNONE; then
2490 cf_path_syntax="$prefix"
2492 cf_path_syntax="$ac_default_prefix"
2495 case ".[$]$1" in #(vi
2496 .\[$]\(*\)*|.\'*\'*) #(vi
2500 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2502 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2504 case ".[$]$1" in #(vi
2506 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2511 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2514 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2518 dnl ---------------------------------------------------------------------------
2519 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2521 dnl Check for the package-config program, unless disabled by command-line.
2522 AC_DEFUN([CF_PKG_CONFIG],
2524 AC_MSG_CHECKING(if you want to use pkg-config)
2525 AC_ARG_WITH(pkg-config,
2526 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2527 [cf_pkg_config=$withval],
2528 [cf_pkg_config=yes])
2529 AC_MSG_RESULT($cf_pkg_config)
2531 case $cf_pkg_config in #(vi
2536 CF_ACVERSION_CHECK(2.52,
2537 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2538 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2545 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2546 if test "$PKG_CONFIG" != none ; then
2547 CF_PATH_SYNTAX(PKG_CONFIG)
2550 AC_SUBST(PKG_CONFIG)
2552 dnl ---------------------------------------------------------------------------
2553 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2554 dnl -----------------
2555 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2557 dnl POSIX.1-1990 _POSIX_SOURCE
2558 dnl POSIX.1-1990 and _POSIX_SOURCE and
2559 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2561 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2562 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2563 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2566 dnl $1 is the nominal value for _POSIX_C_SOURCE
2567 AC_DEFUN([CF_POSIX_C_SOURCE],
2569 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2571 cf_save_CFLAGS="$CFLAGS"
2572 cf_save_CPPFLAGS="$CPPFLAGS"
2574 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2575 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2577 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2578 CF_MSG_LOG(if the symbol is already defined go no further)
2579 AC_TRY_COMPILE([#include <sys/types.h>],[
2580 #ifndef _POSIX_C_SOURCE
2583 [cf_cv_posix_c_source=no],
2584 [cf_want_posix_source=no
2585 case .$cf_POSIX_C_SOURCE in #(vi
2587 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2590 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2591 cf_want_posix_source=yes
2594 cf_want_posix_source=yes
2597 if test "$cf_want_posix_source" = yes ; then
2598 AC_TRY_COMPILE([#include <sys/types.h>],[
2599 #ifdef _POSIX_SOURCE
2602 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2604 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2605 CFLAGS="$cf_trim_CFLAGS"
2606 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2607 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2608 AC_TRY_COMPILE([#include <sys/types.h>],[
2609 #ifndef _POSIX_C_SOURCE
2612 [cf_cv_posix_c_source=no])
2613 CFLAGS="$cf_save_CFLAGS"
2614 CPPFLAGS="$cf_save_CPPFLAGS"
2618 if test "$cf_cv_posix_c_source" != no ; then
2619 CFLAGS="$cf_trim_CFLAGS"
2620 CPPFLAGS="$cf_trim_CPPFLAGS"
2621 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2625 dnl ---------------------------------------------------------------------------
2626 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2628 dnl Check for archiver "ar".
2629 AC_DEFUN([CF_PROG_AR],[
2630 AC_CHECK_TOOL(AR, ar, ar)
2632 dnl ---------------------------------------------------------------------------
2633 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2635 dnl Check for awk, ensure that the check found something.
2636 AC_DEFUN([CF_PROG_AWK],
2639 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2641 dnl ---------------------------------------------------------------------------
2642 dnl CF_PROG_CC version: 3 updated: 2012/10/06 15:31:55
2644 dnl standard check for CC, plus followup sanity checks
2645 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2646 AC_DEFUN([CF_PROG_CC],[
2647 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2649 CF_ACVERSION_CHECK(2.52,
2654 dnl ---------------------------------------------------------------------------
2655 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2657 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2658 dnl the output file can be renamed, and allows for a shell variable that can
2659 dnl be used later. The parameter is either CC or CXX. The result is the
2661 dnl $cf_cv_prog_CC_c_o
2662 dnl $cf_cv_prog_CXX_c_o
2663 AC_DEFUN([CF_PROG_CC_C_O],
2664 [AC_REQUIRE([AC_PROG_CC])dnl
2665 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2666 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2668 cat > conftest.$ac_ext <<CF_EOF
2672 ${cf_cv_main_return:-return}(0);
2675 # We do the test twice because some compilers refuse to overwrite an
2676 # existing .o file with -o, though they will create one.
2677 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2678 if AC_TRY_EVAL(ac_try) &&
2679 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2681 eval cf_cv_prog_$1_c_o=yes
2683 eval cf_cv_prog_$1_c_o=no
2687 if test $cf_cv_prog_$1_c_o = yes; then
2688 AC_MSG_RESULT([yes])
2693 dnl ---------------------------------------------------------------------------
2694 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2696 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2697 dnl This macro adds a check to ensure the script found something.
2698 AC_DEFUN([CF_PROG_EGREP],
2699 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2700 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2701 then ac_cv_prog_egrep='grep -E'
2702 else ac_cv_prog_egrep='egrep'
2704 EGREP=$ac_cv_prog_egrep
2706 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2708 dnl ---------------------------------------------------------------------------
2709 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2711 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2712 AC_DEFUN([CF_PROG_EXT],
2714 AC_REQUIRE([CF_CHECK_CACHE])
2715 case $cf_cv_system_name in
2717 CFLAGS="$CFLAGS -Zmt"
2718 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2719 CXXFLAGS="$CXXFLAGS -Zmt"
2720 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2721 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2731 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2733 dnl ---------------------------------------------------------------------------
2734 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2736 dnl Check for gnatmake, ensure that it is complete.
2737 AC_DEFUN([CF_PROG_GNAT],[
2738 cf_ada_make=gnatmake
2739 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2740 if test "$ac_cv_prog_gnat_exists" = no; then
2742 cf_cv_prog_gnat_correct=no
2745 AC_CHECK_PROG(M4_exists, m4, yes, no)
2746 if test "$ac_cv_prog_M4_exists" = no; then
2747 cf_cv_prog_gnat_correct=no
2748 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2750 if test "$cf_cv_prog_gnat_correct" = yes; then
2751 AC_MSG_CHECKING(if GNAT works)
2752 CF_GNAT_TRY_RUN([procedure conftest;],
2755 procedure conftest is
2757 Text_IO.Put ("Hello World");
2759 GNAT.OS_Lib.OS_Exit (0);
2760 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2761 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2765 AC_SUBST(cf_ada_make)
2767 dnl ---------------------------------------------------------------------------
2768 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2770 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2771 dnl option if it is supported.
2772 AC_DEFUN([CF_PROG_LN_S],[
2774 AC_MSG_CHECKING(if $LN_S -f options work)
2776 rm -f conf$$.src conf$$dst
2778 echo first >conf$$.src
2779 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2784 rm -f conf$$.dst conf$$src
2785 AC_MSG_RESULT($cf_prog_ln_sf)
2787 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2789 dnl ---------------------------------------------------------------------------
2790 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2791 dnl ----------------
2792 dnl Remove all -U and -D options that refer to the given symbol from a list
2793 dnl of C compiler options. This works around the problem that not all
2794 dnl compilers process -U and -D options from left-to-right, so a -U option
2795 dnl cannot be used to cancel the effect of a preceding -D option.
2797 dnl $1 = target (which could be the same as the source variable)
2798 dnl $2 = source (including '$')
2799 dnl $3 = symbol to remove
2800 define([CF_REMOVE_DEFINE],
2803 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2804 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2806 dnl ---------------------------------------------------------------------------
2807 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2809 dnl Remove the given library from the symbol
2811 dnl $1 = target (which could be the same as the source variable)
2812 dnl $2 = source (including '$')
2813 dnl $3 = library to remove
2814 define([CF_REMOVE_LIB],
2816 # remove $3 library from $2
2817 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2819 dnl ---------------------------------------------------------------------------
2820 dnl CF_SHARED_OPTS version: 84 updated: 2013/11/03 06:26:10
2823 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2827 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2828 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2829 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2830 dnl shared library since that can lead to unexpected results at runtime.
2831 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2832 dnl libraries are compiled in ../../lib
2834 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2835 dnl to install symbolic links to the rel/abi versions of shared libraries.
2837 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2838 dnl version when making symbolic links.
2840 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2841 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2842 dnl (ex: libncurses.so.<ver>).
2844 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2845 AC_DEFUN([CF_SHARED_OPTS],
2847 AC_REQUIRE([CF_LD_RPATH_OPT])
2852 INSTALL_LIB="-m 644"
2853 : ${rel_builddir:=.}
2861 cf_cv_do_symlinks=no
2863 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2865 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2866 AC_ARG_WITH(shlib-version,
2867 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2868 [test -z "$withval" && withval=auto
2869 case $withval in #(vi
2871 cf_cv_shlib_version=auto
2873 rel|abi|auto|no) #(vi
2874 cf_cv_shlib_version=$withval
2877 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2880 ],[cf_cv_shlib_version=auto])
2881 AC_MSG_RESULT($cf_cv_shlib_version)
2886 # Some less-capable ports of gcc support only -fpic
2888 if test "$GCC" = yes
2890 AC_MSG_CHECKING(which $CC option to use)
2891 cf_save_CFLAGS="$CFLAGS"
2892 for CC_SHARED_OPTS in -fPIC -fpic ''
2894 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2895 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2897 AC_MSG_RESULT($CC_SHARED_OPTS)
2898 CFLAGS="$cf_save_CFLAGS"
2901 cf_cv_shlib_version_infix=no
2903 case $cf_cv_system_name in #(vi
2904 aix4.[3-9]*|aix[[5-7]]*) #(vi
2905 if test "$GCC" = yes; then
2907 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2909 # CC_SHARED_OPTS='-qpic=large -G'
2910 # perhaps "-bM:SRE -bnoentry -bexpall"
2911 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2915 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2919 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2920 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2921 cf_cv_shlib_version=cygdll
2922 cf_cv_shlib_version_infix=cygdll
2925 cat >mk_shared_lib.sh <<-CF_EOF
2928 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2931 Linking shared library
2932 ** SHARED_LIB \[$]SHARED_LIB
2933 ** IMPORT_LIB \[$]IMPORT_LIB
2935 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2937 chmod +x mk_shared_lib.sh
2941 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2942 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2943 cf_cv_shlib_version=msysdll
2944 cf_cv_shlib_version_infix=msysdll
2947 cat >mk_shared_lib.sh <<-CF_EOF
2950 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2953 Linking shared library
2954 ** SHARED_LIB \[$]SHARED_LIB
2955 ** IMPORT_LIB \[$]IMPORT_LIB
2957 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2959 chmod +x mk_shared_lib.sh
2962 cf_try_cflags="no-cpp-precomp"
2963 CC_SHARED_OPTS="-dynamic"
2964 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2965 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2966 cf_cv_shlib_version_infix=yes
2967 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
2968 cf_save_LDFLAGS=$LDFLAGS
2969 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2970 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
2971 LDFLAGS=$cf_save_LDFLAGS])
2972 if test $cf_cv_ldflags_search_paths_first = yes; then
2973 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2977 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
2978 if test "$GCC" != yes; then
2981 MK_SHARED_LIB='${LD} -b -o $[@]'
2982 INSTALL_LIB="-m 555"
2985 # (tested with gcc 2.7.2 -- I don't have c89)
2986 if test "$GCC" = yes; then
2987 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
2990 LD_SHARED_OPTS='-Wl,+b,${libdir}'
2992 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
2993 # HP-UX shared libraries must be executable, and should be
2994 # readonly to exploit a quirk in the memory manager.
2995 INSTALL_LIB="-m 555"
2998 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
2999 if test "$cf_cv_shlib_version" = rel; then
3000 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3002 cf_shared_soname='`basename $@`'
3005 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3008 if test "$cf_cv_enable_rpath" = yes ; then
3009 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3011 # tested with IRIX 5.2 and 'cc'.
3012 if test "$GCC" != yes; then
3013 CC_SHARED_OPTS='-KPIC'
3014 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3016 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3018 cf_cv_rm_so_locs=yes
3020 linux*|gnu*|k*bsd*-gnu) #(vi
3021 if test "$DFT_LWR_MODEL" = "shared" ; then
3022 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3023 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3025 if test "$cf_cv_enable_rpath" = yes ; then
3026 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3029 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3032 cf_cv_shlib_version=mingw
3033 cf_cv_shlib_version_infix=mingw
3036 if test "$DFT_LWR_MODEL" = "shared" ; then
3037 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3038 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3039 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3042 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3043 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3044 cat >mk_shared_lib.sh <<-CF_EOF
3047 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3050 Linking shared library
3051 ** SHARED_LIB \[$]SHARED_LIB
3052 ** IMPORT_LIB \[$]IMPORT_LIB
3054 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3056 chmod +x mk_shared_lib.sh
3058 openbsd[[2-9]].*|mirbsd*) #(vi
3059 if test "$DFT_LWR_MODEL" = "shared" ; then
3060 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3061 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3063 if test "$cf_cv_enable_rpath" = yes ; then
3064 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3066 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3068 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3070 nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3071 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3072 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3073 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3075 dragonfly*|freebsd*) #(vi
3076 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3077 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3078 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3079 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3080 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3083 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3086 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3087 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3088 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3089 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3090 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3091 if test "$cf_cv_shlib_version" = auto; then
3092 if test -f /usr/libexec/ld.elf_so; then
3093 cf_cv_shlib_version=abi
3095 cf_cv_shlib_version=rel
3099 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3101 MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3105 # tested with OSF/1 V3.2 and 'cc'
3106 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3107 # link with shared libs).
3108 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3109 case $host_os in #(vi
3111 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3114 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3115 if test "$DFT_LWR_MODEL" = "shared" ; then
3116 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3117 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3119 cf_cv_rm_so_locs=yes
3121 sco3.2v5*) # (also uw2* and UW7: hops 13-Apr-98
3122 # tested with osr5.0.5
3123 if test "$GCC" != yes; then
3124 CC_SHARED_OPTS='-belf -KPIC'
3126 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3127 if test "$cf_cv_enable_rpath" = yes ; then
3128 # only way is to set LD_RUN_PATH but no switch for it
3131 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3132 LINK_PROGS='LD_RUN_PATH=${libdir}'
3133 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3136 # tested with SunOS 4.1.1 and gcc 2.7.0
3137 if test "$GCC" != yes; then
3138 CC_SHARED_OPTS='-KPIC'
3140 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3141 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3144 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3145 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3146 if test "$DFT_LWR_MODEL" = "shared" ; then
3147 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3148 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3150 if test "$cf_cv_enable_rpath" = yes ; then
3151 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3154 if test "$GCC" != yes; then
3155 cf_save_CFLAGS="$CFLAGS"
3156 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3158 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3159 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3161 CFLAGS="$cf_save_CFLAGS"
3162 CC_SHARED_OPTS=$cf_shared_opts
3163 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3165 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3168 sysv5uw7*|unix_sv*) #(vi
3169 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3170 if test "$GCC" != yes; then
3171 CC_SHARED_OPTS='-KPIC'
3173 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3176 CC_SHARED_OPTS='unknown'
3177 MK_SHARED_LIB='echo unknown'
3181 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3182 case "$cf_cv_shlib_version" in #(vi
3184 case "$MK_SHARED_LIB" in #(vi
3186 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3189 AC_MSG_WARN(ignored --with-shlib-version)
3195 if test -n "$cf_try_cflags"
3197 cat > conftest.$ac_ext <<EOF
3198 #line __oline__ "${as_me:-configure}"
3200 int main(int argc, char *argv[[]])
3203 return (argv[[argc-1]] == 0) ;
3206 cf_save_CFLAGS="$CFLAGS"
3207 for cf_opt in $cf_try_cflags
3209 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3210 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3211 if AC_TRY_EVAL(ac_compile); then
3213 cf_save_CFLAGS="$CFLAGS"
3218 CFLAGS="$cf_save_CFLAGS"
3222 # RPATH_LIST is a colon-separated list of directories
3223 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3224 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3226 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3228 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3229 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3231 AC_SUBST(CC_SHARED_OPTS)
3232 AC_SUBST(LD_RPATH_OPT)
3233 AC_SUBST(LD_SHARED_OPTS)
3234 AC_SUBST(MK_SHARED_LIB)
3235 AC_SUBST(RM_SHARED_OPTS)
3237 AC_SUBST(LINK_PROGS)
3238 AC_SUBST(LINK_TESTS)
3240 AC_SUBST(EXTRA_LDFLAGS)
3241 AC_SUBST(LOCAL_LDFLAGS)
3242 AC_SUBST(LOCAL_LDFLAGS2)
3244 AC_SUBST(INSTALL_LIB)
3245 AC_SUBST(RPATH_LIST)
3247 dnl ---------------------------------------------------------------------------
3248 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3249 dnl ----------------
3250 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3251 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3254 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3255 dnl If missing, use "rel".
3256 define([CF_SHARED_SONAME],
3258 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3259 if test "$cf_cv_shlib_version" = rel; then
3260 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3262 cf_cv_shared_soname='`basename $[@]`'
3265 dnl ---------------------------------------------------------------------------
3266 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3268 dnl Remove "-g" option from the compiler options
3269 AC_DEFUN([CF_STRIP_G_OPT],
3270 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3271 dnl ---------------------------------------------------------------------------
3272 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3274 dnl Construct a search-list for a nonstandard header/lib-file
3275 dnl $1 = the variable to return as result
3276 dnl $2 = the package name
3277 dnl $3 = the subdirectory, e.g., bin, include or lib
3278 AC_DEFUN([CF_SUBDIR_PATH],
3282 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3283 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3284 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3285 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3286 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3288 dnl ---------------------------------------------------------------------------
3289 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3291 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3292 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3293 dnl but some packagers change this, breaking various applications.
3294 AC_DEFUN([CF_TERM_HEADER],[
3295 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3296 case ${cf_cv_ncurses_header} in #(vi
3297 */ncurses.h|*/ncursesw.h) #(vi
3298 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3301 cf_term_header=term.h
3305 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3307 AC_TRY_COMPILE([#include <stdio.h>
3308 #include <${cf_cv_ncurses_header:-curses.h}>
3310 ],[int x = auto_left_margin],[
3311 cf_cv_term_header="$cf_test"],[
3312 cf_cv_term_header=unknown
3314 test "$cf_cv_term_header" != unknown && break
3318 # Set definitions to allow ifdef'ing to accommodate subdirectories
3320 case $cf_cv_term_header in # (vi
3322 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3326 case $cf_cv_term_header in # (vi
3327 ncurses/term.h) #(vi
3328 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3331 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3335 dnl ---------------------------------------------------------------------------
3336 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3338 dnl Define a top_builddir symbol, for applications that need an absolute path.
3339 AC_DEFUN([CF_TOP_BUILDDIR],
3341 top_builddir=ifelse($1,,`pwd`,$1)
3342 AC_SUBST(top_builddir)
3344 dnl ---------------------------------------------------------------------------
3345 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3346 dnl -------------------
3347 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3348 dnl can define it successfully.
3349 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3350 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3354 #include <sys/types.h>
3356 #ifndef _XOPEN_SOURCE
3359 [cf_cv_xopen_source=no],
3360 [cf_save="$CPPFLAGS"
3361 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3365 #include <sys/types.h>
3367 #ifdef _XOPEN_SOURCE
3370 [cf_cv_xopen_source=no],
3371 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3376 if test "$cf_cv_xopen_source" != no ; then
3377 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3378 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3379 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3380 CF_ADD_CFLAGS($cf_temp_xopen_source)
3383 dnl ---------------------------------------------------------------------------
3384 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3386 dnl Make an uppercase version of a variable
3387 dnl $1=uppercase($2)
3388 AC_DEFUN([CF_UPPER],
3390 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3392 dnl ---------------------------------------------------------------------------
3393 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3395 dnl Check for multibyte support, and if not found, utf8 compatibility library
3396 AC_DEFUN([CF_UTF8_LIB],
3398 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3399 cf_save_LIBS="$LIBS"
3401 #include <stdlib.h>],[putwc(0,0);],
3402 [cf_cv_utf8_lib=yes],
3404 #include <libutf8.h>],[putwc(0,0);],utf8,
3405 [cf_cv_utf8_lib=add-on],
3406 [cf_cv_utf8_lib=no])
3409 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3411 if test "$cf_cv_utf8_lib" = "add-on" ; then
3412 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3413 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3414 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3415 CF_ADD_LIBS($cf_cv_library_file_utf8)
3418 dnl ---------------------------------------------------------------------------
3419 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3421 dnl Use AC_VERBOSE w/o the warnings
3422 AC_DEFUN([CF_VERBOSE],
3423 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3426 dnl ---------------------------------------------------------------------------
3427 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3429 dnl Check for compiler-support for weak symbols.
3430 dnl This works with "recent" gcc.
3431 AC_DEFUN([CF_WEAK_SYMBOLS],[
3432 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3435 #include <stdio.h>],
3437 #if defined(__GNUC__)
3438 # if defined __USE_ISOC99
3439 # define _cat_pragma(exp) _Pragma(#exp)
3440 # define _weak_pragma(exp) _cat_pragma(weak name)
3442 # define _weak_pragma(exp)
3444 # define _declare(name) __extension__ extern __typeof__(name) name
3445 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3449 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3452 dnl ---------------------------------------------------------------------------
3453 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3454 dnl --------------------
3455 dnl Command-line option to specify the Ada95 compiler.
3456 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3457 AC_MSG_CHECKING(for ada-compiler)
3458 AC_ARG_WITH(ada-compiler,
3459 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3460 [cf_ada_compiler=$withval],
3461 [cf_ada_compiler=gnatmake])
3462 AC_SUBST(cf_ada_compiler)
3463 AC_MSG_RESULT($cf_ada_compiler)
3465 dnl ---------------------------------------------------------------------------
3466 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3467 dnl -------------------
3468 dnl Command-line option to specify where Ada includes will install.
3469 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3470 AC_MSG_CHECKING(for ada-include)
3471 CF_WITH_PATH(ada-include,
3472 [ --with-ada-include=DIR Ada includes are in DIR],
3474 PREFIX/share/ada/adainclude,
3475 [$]prefix/share/ada/adainclude)
3476 AC_SUBST(ADA_INCLUDE)
3477 AC_MSG_RESULT($ADA_INCLUDE)
3479 dnl ---------------------------------------------------------------------------
3480 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3481 dnl -------------------
3482 dnl Command-line option to specify where Ada objects will install.
3483 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3484 AC_MSG_CHECKING(for ada-objects)
3485 CF_WITH_PATH(ada-objects,
3486 [ --with-ada-objects=DIR Ada objects are in DIR],
3488 PREFIX/lib/ada/adalib,
3489 [$]prefix/lib/ada/adalib)
3490 AC_SUBST(ADA_OBJECTS)
3491 AC_MSG_RESULT($ADA_OBJECTS)
3493 dnl ---------------------------------------------------------------------------
3494 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3495 dnl ---------------------
3496 dnl Command-line option to specify if an Ada95 shared-library should be built,
3497 dnl and optionally what its soname should be.
3498 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3499 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3500 AC_ARG_WITH(ada-sharedlib,
3501 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3502 [with_ada_sharedlib=$withval],
3503 [with_ada_sharedlib=no])
3504 AC_MSG_RESULT($with_ada_sharedlib)
3506 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3507 MAKE_ADA_SHAREDLIB="#"
3509 if test "x$with_ada_sharedlib" != xno
3512 if test "x$with_ada_sharedlib" != xyes
3514 ADA_SHAREDLIB="$with_ada_sharedlib"
3518 AC_SUBST(ADA_SHAREDLIB)
3519 AC_SUBST(MAKE_ADA_SHAREDLIB)
3521 dnl ---------------------------------------------------------------------------
3522 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3523 dnl ------------------
3524 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3526 AC_DEFUN([CF_WITH_CURSES_DIR],[
3528 AC_MSG_CHECKING(for specific curses-directory)
3529 AC_ARG_WITH(curses-dir,
3530 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3531 [cf_cv_curses_dir=$withval],
3532 [cf_cv_curses_dir=no])
3533 AC_MSG_RESULT($cf_cv_curses_dir)
3535 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3537 CF_PATH_SYNTAX(withval)
3538 if test -d "$cf_cv_curses_dir"
3540 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3541 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3545 dnl ---------------------------------------------------------------------------
3546 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3547 dnl ------------------
3548 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3549 dnl "lib" prefix, e.g., because it used the dll naming convention.
3551 dnl $1 = variable to set
3552 AC_DEFUN([CF_WITH_LIB_PREFIX],
3554 AC_MSG_CHECKING(if you want to have a library-prefix)
3555 AC_ARG_WITH(lib-prefix,
3556 [ --with-lib-prefix override library-prefix],
3557 [with_lib_prefix=$withval],
3558 [with_lib_prefix=auto])
3559 AC_MSG_RESULT($with_lib_prefix)
3561 if test $with_lib_prefix = auto
3564 elif test $with_lib_prefix = no
3568 LIB_PREFIX=$with_lib_prefix
3571 dnl ---------------------------------------------------------------------------
3572 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3574 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3575 dnl defaulting to yes/no.
3577 dnl $1 = option name
3579 dnl $3 = environment variable to set
3580 dnl $4 = default value, shown in the help-message, must be a constant
3581 dnl $5 = default value, if it's an expression & cannot be in the help-message
3583 AC_DEFUN([CF_WITH_PATH],
3584 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3585 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3586 if ifelse([$5],,true,[test -n "$5"]) ; then
3587 CF_PATH_SYNTAX(withval)
3592 dnl ---------------------------------------------------------------------------
3593 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
3594 dnl -------------------------
3595 dnl Allow the choice of the pkg-config library directory to be overridden.
3596 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3597 if test "$PKG_CONFIG" != none ; then
3598 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3599 AC_ARG_WITH(pkg-config-libdir,
3600 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3601 [PKG_CONFIG_LIBDIR=$withval],
3602 [PKG_CONFIG_LIBDIR=yes])
3604 case x$PKG_CONFIG_LIBDIR in #(vi
3608 # look for the library directory using the same prefix as the executable
3609 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3610 case x`(arch) 2>/dev/null` in #(vi
3612 for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3614 if test -d $cf_config/pkgconfig
3616 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3622 PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3630 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3633 AC_SUBST(PKG_CONFIG_LIBDIR)
3635 dnl ---------------------------------------------------------------------------
3636 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3638 dnl Check for POSIX thread library.
3639 AC_DEFUN([CF_WITH_PTHREAD],
3641 AC_MSG_CHECKING(if you want to link with the pthread library)
3642 AC_ARG_WITH(pthread,
3643 [ --with-pthread use POSIX thread library],
3644 [with_pthread=$withval],
3646 AC_MSG_RESULT($with_pthread)
3648 if test "$with_pthread" != no ; then
3649 AC_CHECK_HEADER(pthread.h,[
3650 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3652 for cf_lib_pthread in pthread c_r
3654 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3655 cf_save_LIBS="$LIBS"
3656 CF_ADD_LIB($cf_lib_pthread)
3658 #include <pthread.h>
3660 int rc = pthread_create(0,0,0,0);
3661 int r2 = pthread_mutexattr_settype(0, 0);
3662 ],[with_pthread=yes],[with_pthread=no])
3663 LIBS="$cf_save_LIBS"
3664 AC_MSG_RESULT($with_pthread)
3665 test "$with_pthread" = yes && break
3668 if test "$with_pthread" = yes ; then
3669 CF_ADD_LIB($cf_lib_pthread)
3670 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3672 AC_MSG_ERROR(Cannot link with pthread library)
3677 dnl ---------------------------------------------------------------------------
3678 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3680 dnl For testing, override the derived host system-type which is used to decide
3681 dnl things such as the linker commands used to build shared libraries. This is
3682 dnl normally chosen automatically based on the type of system which you are
3683 dnl building on. We use it for testing the configure script.
3685 dnl This is different from the --host option: it is used only for testing parts
3686 dnl of the configure script which would not be reachable with --host since that
3687 dnl relies on the build environment being real, rather than mocked up.
3688 AC_DEFUN([CF_WITH_SYSTYPE],[
3689 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3690 AC_ARG_WITH(system-type,
3691 [ --with-system-type=XXX test: override derived host system-type],
3692 [AC_MSG_WARN(overriding system type to $withval)
3693 cf_cv_system_name=$withval
3697 dnl ---------------------------------------------------------------------------
3698 dnl CF_XOPEN_SOURCE version: 46 updated: 2014/02/09 19:30:15
3700 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3701 dnl or adapt to the vendor's definitions to get equivalent functionality,
3702 dnl without losing the common non-POSIX features.
3705 dnl $1 is the nominal value for _XOPEN_SOURCE
3706 dnl $2 is the nominal value for _POSIX_C_SOURCE
3707 AC_DEFUN([CF_XOPEN_SOURCE],[
3708 AC_REQUIRE([AC_CANONICAL_HOST])
3710 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3711 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3714 case $host_os in #(vi
3716 cf_xopen_source="-D_ALL_SOURCE"
3721 darwin[[0-8]].*) #(vi
3722 cf_xopen_source="-D_APPLE_C_SOURCE"
3725 cf_xopen_source="-D_DARWIN_C_SOURCE"
3728 freebsd*|dragonfly*) #(vi
3729 # 5.x headers associate
3730 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3731 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3732 cf_POSIX_C_SOURCE=200112L
3734 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3737 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3740 cf_xopen_source="-D_HPUX_SOURCE"
3743 cf_xopen_source="-D_SGI_SOURCE"
3746 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3750 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3752 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3755 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3757 openbsd[[4-9]]*) #(vi
3758 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3759 cf_xopen_source="-D_BSD_SOURCE"
3763 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3766 cf_xopen_source="-D_OSF_SOURCE"
3769 cf_xopen_source="-D_QNX_SOURCE"
3772 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3775 cf_xopen_source="-D__EXTENSIONS__"
3776 cf_cv_xopen_source=broken
3780 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3784 if test -n "$cf_xopen_source" ; then
3785 CF_ADD_CFLAGS($cf_xopen_source)
3788 dnl In anything but the default case, we may have system-specific setting
3789 dnl which is still not guaranteed to provide all of the entrypoints that
3790 dnl _XOPEN_SOURCE would yield.
3791 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3792 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3793 AC_TRY_COMPILE([#include <stdlib.h>],[
3794 #ifndef _XOPEN_SOURCE
3797 [cf_XOPEN_SOURCE_set=yes],
3798 [cf_XOPEN_SOURCE_set=no])
3799 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3800 if test $cf_XOPEN_SOURCE_set = yes
3802 AC_TRY_COMPILE([#include <stdlib.h>],[
3803 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3806 [cf_XOPEN_SOURCE_set_ok=yes],
3807 [cf_XOPEN_SOURCE_set_ok=no])
3808 if test $cf_XOPEN_SOURCE_set_ok = no
3810 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)