1 dnl***************************************************************************
2 dnl Copyright (c) 2010-2012,2013 Free Software Foundation, Inc. *
4 dnl Permission is hereby granted, free of charge, to any person obtaining a *
5 dnl copy of this software and associated documentation files (the *
6 dnl "Software"), to deal in the Software without restriction, including *
7 dnl without limitation the rights to use, copy, modify, merge, publish, *
8 dnl distribute, distribute with modifications, sublicense, and/or sell *
9 dnl copies of the Software, and to permit persons to whom the Software is *
10 dnl furnished to do so, subject to the following conditions: *
12 dnl The above copyright notice and this permission notice shall be included *
13 dnl in all copies or substantial portions of the Software. *
15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 dnl Except as contained in this notice, the name(s) of the above copyright *
24 dnl holders shall not be used in advertising or otherwise to promote the *
25 dnl sale, use or other dealings in this Software without prior written *
27 dnl***************************************************************************
29 dnl Author: Thomas E. Dickey
31 dnl $Id: aclocal.m4,v 1.76 2013/11/16 20:06:15 tom Exp $
32 dnl Macros used in NCURSES Ada95 auto-configuration script.
34 dnl These macros are maintained separately from NCURSES. The copyright on
35 dnl this file applies to the aggregation of macros and does not affect use of
36 dnl these macros in other applications.
38 dnl See http://invisible-island.net/autoconf/ for additional information.
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl CF_ACVERSION_CHECK version: 4 updated: 2013/03/04 19:52:56
43 dnl ------------------
44 dnl Conditionally generate script according to whether we're using a given autoconf.
46 dnl $1 = version to compare against
47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
48 dnl $3 = code to use if AC_ACVERSION is older than $1.
49 define([CF_ACVERSION_CHECK],
51 ifdef([AC_ACVERSION], ,[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])dnl
52 ifdef([m4_version_compare],
53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
54 [CF_ACVERSION_COMPARE(
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
57 dnl ---------------------------------------------------------------------------
58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
59 dnl --------------------
60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
61 dnl MAJOR2, MINOR2, TERNARY2,
62 dnl PRINTABLE2, not FOUND, FOUND)
63 define([CF_ACVERSION_COMPARE],
64 [ifelse(builtin([eval], [$2 < $5]), 1,
65 [ifelse([$8], , ,[$8])],
66 [ifelse([$9], , ,[$9])])])dnl
67 dnl ---------------------------------------------------------------------------
68 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
69 dnl -------------------
70 dnl Construct the list of include-options for the C programs in the Ada95
72 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
74 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
75 if test "$srcdir" != "."; then
76 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
78 if test "$GCC" != yes; then
79 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
80 elif test "$includedir" != "/usr/include"; then
81 if test "$includedir" = '${prefix}/include' ; then
82 if test x$prefix != x/usr ; then
83 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
86 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
91 dnl ---------------------------------------------------------------------------
92 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
94 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
95 AC_DEFUN([CF_ADD_ADAFLAGS],[
96 ADAFLAGS="$ADAFLAGS $1"
99 dnl ---------------------------------------------------------------------------
100 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
102 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
103 dnl The second parameter if given makes this macro verbose.
105 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
106 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
107 dnl confused by the quotes (which require backslashes to keep them usable).
108 AC_DEFUN([CF_ADD_CFLAGS],
113 cf_new_extra_cppflags=
115 for cf_add_cflags in $1
117 case $cf_fix_cppflags in
119 case $cf_add_cflags in #(vi
120 -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
121 case $cf_add_cflags in
123 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
125 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
126 && test -z "${cf_tst_cflags}" \
127 && cf_fix_cppflags=yes
129 if test $cf_fix_cppflags = yes ; then
130 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
132 elif test "${cf_tst_cflags}" = "\"'" ; then
133 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
139 *$cf_add_cflags) #(vi
142 case $cf_add_cflags in #(vi
144 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
145 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
148 cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
153 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
158 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
160 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
162 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
163 && test -z "${cf_tst_cflags}" \
164 && cf_fix_cppflags=no
169 if test -n "$cf_new_cflags" ; then
170 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
171 CFLAGS="$CFLAGS $cf_new_cflags"
174 if test -n "$cf_new_cppflags" ; then
175 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
176 CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
179 if test -n "$cf_new_extra_cppflags" ; then
180 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
181 EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
184 AC_SUBST(EXTRA_CPPFLAGS)
187 dnl ---------------------------------------------------------------------------
188 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
190 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
191 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
192 dnl but old versions (and some misinstalled ones) need that. To make things
193 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
194 dnl the include-path).
195 AC_DEFUN([CF_ADD_INCDIR],
197 if test -n "$1" ; then
198 for cf_add_incdir in $1
200 while test $cf_add_incdir != /usr/include
202 if test -d $cf_add_incdir
205 if test -n "$CFLAGS$CPPFLAGS" ; then
206 # a loop is needed to ensure we can add subdirs of existing dirs
207 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
208 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
209 cf_have_incdir=yes; break
214 if test "$cf_have_incdir" = no ; then
215 if test "$cf_add_incdir" = /usr/local/include ; then
218 cf_save_CPPFLAGS=$CPPFLAGS
219 CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
220 AC_TRY_COMPILE([#include <stdio.h>],
223 [cf_have_incdir=yes])
224 CPPFLAGS=$cf_save_CPPFLAGS
229 if test "$cf_have_incdir" = no ; then
230 CF_VERBOSE(adding $cf_add_incdir to include-path)
231 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
233 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
234 test "$cf_top_incdir" = "$cf_add_incdir" && break
235 cf_add_incdir="$cf_top_incdir"
244 dnl ---------------------------------------------------------------------------
245 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
247 dnl Add a library, used to enforce consistency.
249 dnl $1 = library to add, without the "-l"
250 dnl $2 = variable to update (default $LIBS)
251 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
252 dnl ---------------------------------------------------------------------------
253 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
255 dnl Adds to the library-path
257 dnl Some machines have trouble with multiple -L options.
259 dnl $1 is the (list of) directory(s) to add
260 dnl $2 is the optional name of the variable to update (default LDFLAGS)
262 AC_DEFUN([CF_ADD_LIBDIR],
264 if test -n "$1" ; then
265 for cf_add_libdir in $1
267 if test $cf_add_libdir = /usr/lib ; then
269 elif test -d $cf_add_libdir
272 if test -n "$LDFLAGS$LIBS" ; then
273 # a loop is needed to ensure we can add subdirs of existing dirs
274 for cf_test_libdir in $LDFLAGS $LIBS ; do
275 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
276 cf_have_libdir=yes; break
280 if test "$cf_have_libdir" = no ; then
281 CF_VERBOSE(adding $cf_add_libdir to library-path)
282 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
288 dnl ---------------------------------------------------------------------------
289 dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
291 dnl Add one or more libraries, used to enforce consistency.
293 dnl $1 = libraries to add, with the "-l", etc.
294 dnl $2 = variable to update (default $LIBS)
295 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
296 dnl ---------------------------------------------------------------------------
297 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
298 dnl ------------------
299 dnl Append to a search-list for a nonstandard header/lib-file
300 dnl $1 = the variable to return as result
301 dnl $2 = the package name
302 dnl $3 = the subdirectory, e.g., bin, include or lib
303 dnl $4 = the directory under which we will test for subdirectories
304 dnl $5 = a directory that we do not want $4 to match
305 AC_DEFUN([CF_ADD_SUBDIR_PATH],
307 test "x$4" != "x$5" && \
309 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
310 test -n "$verbose" && echo " ... testing for $3-directories under $4"
311 test -d $4/$3 && $1="[$]$1 $4/$3"
312 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
313 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
314 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
315 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
318 dnl ---------------------------------------------------------------------------
319 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
321 dnl Allow user to disable a normally-on option.
322 AC_DEFUN([CF_ARG_DISABLE],
323 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
324 dnl ---------------------------------------------------------------------------
325 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
327 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
333 dnl $3 = action to perform if option is not default
334 dnl $4 = action if perform if option is default
335 dnl $5 = default option value (either 'yes' or 'no')
336 AC_DEFUN([CF_ARG_OPTION],
337 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
338 if test "$enableval" != "$5" ; then
340 ,[ $3]) ifelse([$4],,,[
343 fi],[enableval=$5 ifelse([$4],,,[
347 dnl ---------------------------------------------------------------------------
348 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
350 dnl Check for suitable "ar" (archiver) options for updating an archive.
351 AC_DEFUN([CF_AR_FLAGS],[
352 AC_REQUIRE([CF_PROG_AR])
354 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
355 cf_cv_ar_flags=unknown
356 for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
359 # check if $ARFLAGS already contains this choice
360 if test "x$ARFLAGS" != "x" ; then
361 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
362 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
368 rm -f conftest.$ac_cv_objext
371 cat >conftest.$ac_ext <<EOF
372 #line __oline__ "configure"
373 int testdata[[3]] = { 123, 456, 789 };
375 if AC_TRY_EVAL(ac_compile) ; then
376 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
377 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
378 if test -f conftest.a ; then
379 cf_cv_ar_flags=$cf_ar_flags
383 CF_VERBOSE(cannot compile test-program)
387 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
390 if test -n "$ARFLAGS" ; then
391 if test -n "$cf_cv_ar_flags" ; then
392 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
395 ARFLAGS=$cf_cv_ar_flags
400 dnl ---------------------------------------------------------------------------
401 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
403 dnl If we're cross-compiling, allow the user to override the tools and their
404 dnl options. The configure script is oriented toward identifying the host
405 dnl compiler, etc., but we need a build compiler to generate parts of the
408 dnl $1 = default for $CPPFLAGS
409 dnl $2 = default for $LIBS
410 AC_DEFUN([CF_BUILD_CC],[
411 CF_ACVERSION_CHECK(2.52,,
412 [AC_REQUIRE([CF_PROG_EXT])])
413 if test "$cross_compiling" = yes ; then
415 # defaults that we might want to override
416 : ${BUILD_CFLAGS:=''}
417 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
418 : ${BUILD_LDFLAGS:=''}
419 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
420 : ${BUILD_EXEEXT:='$x'}
421 : ${BUILD_OBJEXT:='o'}
423 AC_ARG_WITH(build-cc,
424 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
425 [BUILD_CC="$withval"],
426 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
427 AC_MSG_CHECKING(for native build C compiler)
428 AC_MSG_RESULT($BUILD_CC)
430 AC_MSG_CHECKING(for native build C preprocessor)
431 AC_ARG_WITH(build-cpp,
432 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
433 [BUILD_CPP="$withval"],
434 [BUILD_CPP='${BUILD_CC} -E'])
435 AC_MSG_RESULT($BUILD_CPP)
437 AC_MSG_CHECKING(for native build C flags)
438 AC_ARG_WITH(build-cflags,
439 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
440 [BUILD_CFLAGS="$withval"])
441 AC_MSG_RESULT($BUILD_CFLAGS)
443 AC_MSG_CHECKING(for native build C preprocessor-flags)
444 AC_ARG_WITH(build-cppflags,
445 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
446 [BUILD_CPPFLAGS="$withval"])
447 AC_MSG_RESULT($BUILD_CPPFLAGS)
449 AC_MSG_CHECKING(for native build linker-flags)
450 AC_ARG_WITH(build-ldflags,
451 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
452 [BUILD_LDFLAGS="$withval"])
453 AC_MSG_RESULT($BUILD_LDFLAGS)
455 AC_MSG_CHECKING(for native build linker-libraries)
456 AC_ARG_WITH(build-libs,
457 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
458 [BUILD_LIBS="$withval"])
459 AC_MSG_RESULT($BUILD_LIBS)
461 # this assumes we're on Unix.
465 : ${BUILD_CC:='${CC}'}
467 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
468 AC_MSG_ERROR([Cross-build requires two compilers.
469 Use --with-build-cc to specify the native compiler.])
473 : ${BUILD_CC:='${CC}'}
474 : ${BUILD_CPP:='${CPP}'}
475 : ${BUILD_CFLAGS:='${CFLAGS}'}
476 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
477 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
478 : ${BUILD_LIBS:='${LIBS}'}
479 : ${BUILD_EXEEXT:='$x'}
480 : ${BUILD_OBJEXT:='o'}
485 AC_SUBST(BUILD_CFLAGS)
486 AC_SUBST(BUILD_CPPFLAGS)
487 AC_SUBST(BUILD_LDFLAGS)
489 AC_SUBST(BUILD_EXEEXT)
490 AC_SUBST(BUILD_OBJEXT)
492 dnl ---------------------------------------------------------------------------
493 dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
495 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
496 dnl into CC. This will not help with broken scripts that wrap the compiler with
497 dnl options, but eliminates a more common category of user confusion.
498 AC_DEFUN([CF_CC_ENV_FLAGS],
500 # This should have been defined by AC_PROG_CC
503 AC_MSG_CHECKING(\$CC variable)
506 AC_MSG_RESULT(broken)
507 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
509 cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'`
510 CC=`echo "$CC" | sed -e 's/[[ ]].*//'`
511 CF_ADD_CFLAGS($cf_flags)
518 dnl ---------------------------------------------------------------------------
519 dnl CF_CFG_DEFAULTS version: 10 updated: 2013/09/07 13:54:05
521 dnl Determine the default configuration into which we'll install ncurses. This
522 dnl can be overridden by the user's command-line options. There's two items to
524 dnl 1. the prefix (e.g., /usr)
525 dnl 2. the header files (e.g., /usr/include/ncurses)
526 dnl We'll look for a previous installation of ncurses and use the same defaults.
528 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
529 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
530 dnl programs from a vendor's.
531 AC_DEFUN([CF_CFG_DEFAULTS],
533 AC_MSG_CHECKING(for prefix)
534 if test "x$prefix" = "xNONE" ; then
535 case "$cf_cv_system_name" in
536 # non-vendor systems don't have a conflict
537 openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
540 *) prefix=$ac_default_prefix
544 AC_MSG_RESULT($prefix)
546 if test "x$prefix" = "xNONE" ; then
547 AC_MSG_CHECKING(for default include-directory)
548 test -n "$verbose" && echo 1>&AC_FD_MSG
551 $includedir/ncurses \
553 $prefix/include/ncurses \
555 /usr/local/include/ncurses \
559 cf_dir=`eval echo $cf_symbol`
560 if test -f $cf_dir/curses.h ; then
561 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
562 includedir="$cf_symbol"
563 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
567 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
569 AC_MSG_RESULT($includedir)
572 dnl ---------------------------------------------------------------------------
573 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
575 dnl Check if we're accidentally using a cache from a different machine.
576 dnl Derive the system name, as a check for reusing the autoconf cache.
578 dnl If we've packaged config.guess and config.sub, run that (since it does a
579 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
580 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
581 dnl which is useful in cross-compiles.
583 dnl Note: we would use $ac_config_sub, but that is one of the places where
584 dnl autoconf 2.5x broke compatibility with autoconf 2.13
585 AC_DEFUN([CF_CHECK_CACHE],
587 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
588 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
589 system_name="$host_os"
591 system_name="`(uname -s -r) 2>/dev/null`"
592 if test -z "$system_name" ; then
593 system_name="`(hostname) 2>/dev/null`"
596 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
597 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
599 test -z "$system_name" && system_name="$cf_cv_system_name"
600 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
602 if test ".$system_name" != ".$cf_cv_system_name" ; then
603 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
604 AC_MSG_ERROR("Please remove config.cache and try again.")
607 dnl ---------------------------------------------------------------------------
608 dnl CF_CLANG_COMPILER version: 1 updated: 2012/06/16 14:55:39
609 dnl -----------------
610 dnl Check if the given compiler is really clang. clang's C driver defines
611 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
612 dnl not ignore some gcc options.
614 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
615 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
616 dnl the wrappers for gcc and g++ warnings.
618 dnl $1 = GCC (default) or GXX
619 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
620 dnl $3 = CFLAGS (default) or CXXFLAGS
621 AC_DEFUN([CF_CLANG_COMPILER],[
622 ifelse([$2],,CLANG_COMPILER,[$2])=no
624 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
625 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
626 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
627 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
633 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
634 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
636 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
637 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
640 dnl ---------------------------------------------------------------------------
641 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
643 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
644 dnl variations of ncurses' installs.
646 dnl $1 = ncurses when looking for ncurses, or is empty
647 AC_DEFUN([CF_CURSES_HEADER],[
648 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
649 cf_cv_ncurses_header=none
650 for cf_header in ifelse($1,,,[ \
654 curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
656 AC_TRY_COMPILE([#include <${cf_header}>],
657 [initscr(); tgoto("?", 0,0)],
658 [cf_cv_ncurses_header=$cf_header; break],[])
662 if test "$cf_cv_ncurses_header" = none ; then
663 AC_MSG_ERROR(No curses header-files found)
666 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
667 AC_CHECK_HEADERS($cf_cv_ncurses_header)
669 dnl ---------------------------------------------------------------------------
670 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
672 dnl "dirname" is not portable, so we fake it with a shell script.
673 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
674 dnl ---------------------------------------------------------------------------
675 dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
677 dnl You can always use "make -n" to see the actual options, but it's hard to
678 dnl pick out/analyze warning messages when the compile-line is long.
681 dnl ECHO_LT - symbol to control if libtool is verbose
682 dnl ECHO_LD - symbol to prefix "cc -o" lines
683 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
684 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
685 dnl ECHO_CC - symbol to put before any "cc" line
687 AC_DEFUN([CF_DISABLE_ECHO],[
688 AC_MSG_CHECKING(if you want to see long compiling messages)
690 [ --disable-echo do not display "compiling" commands],
693 ECHO_LD='@echo linking [$]@;'
694 RULE_CC='@echo compiling [$]<'
695 SHOW_CC='@echo compiling [$]@'
704 AC_MSG_RESULT($enableval)
711 dnl ---------------------------------------------------------------------------
712 dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
713 dnl ------------------
714 dnl This is the "--enable-pc-files" option, which is available if there is a
715 dnl pkg-config configuration on the local machine.
716 AC_DEFUN([CF_ENABLE_PC_FILES],[
717 AC_REQUIRE([CF_PKG_CONFIG])
718 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
720 if test "$PKG_CONFIG" != none ; then
721 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
722 AC_ARG_ENABLE(pc-files,
723 [ --enable-pc-files generate and install .pc files for pkg-config],
724 [enable_pc_files=$enableval],
725 [enable_pc_files=no])
726 AC_MSG_RESULT($enable_pc_files)
727 if test "$enable_pc_files" != no
729 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
735 dnl ---------------------------------------------------------------------------
736 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
738 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
739 dnl prefer a standard location, and use -L options only if we do not find the
740 dnl library in the standard library location(s).
741 dnl $1 = library name
742 dnl $2 = library class, usually the same as library name
744 dnl $4 = code fragment to compile/link
745 dnl $5 = corresponding function-name
746 dnl $6 = flag, nonnull if failure should not cause an error-exit
748 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
749 dnl to use a -L option.
750 AC_DEFUN([CF_FIND_LIBRARY],
752 eval 'cf_cv_have_lib_'$1'=no'
755 eval 'cf_cv_have_lib_'$1'=yes',[
757 AC_MSG_CHECKING(for $5 in -l$1)
759 AC_TRY_LINK([$3],[$4],
761 eval 'cf_cv_have_lib_'$1'=yes'
764 CF_LIBRARY_PATH(cf_search,$2)
765 for cf_libdir in $cf_search
767 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
768 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
769 AC_TRY_LINK([$3],[$4],
771 eval 'cf_cv_have_lib_'$1'=yes'
774 LIBS="$cf_save_LIBS"])
778 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
780 if test $cf_found_library = no ; then
781 AC_MSG_ERROR(Cannot link $1 library)
785 dnl ---------------------------------------------------------------------------
786 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
788 dnl Find a library (specifically the linkage used in the code fragment),
789 dnl searching for it if it is not already in the library path.
790 dnl See also CF_ADD_SEARCHPATH.
792 dnl Parameters (4-on are optional):
793 dnl $1 = headers for library entrypoint
794 dnl $2 = code fragment for library entrypoint
795 dnl $3 = the library name without the "-l" option or ".so" suffix.
796 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
797 dnl $5 = action to perform if not successful
798 dnl $6 = module name, if not the same as the library name
799 dnl $7 = extra libraries
801 dnl Sets these variables:
802 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
803 dnl $cf_cv_header_path_$3 - include-directory if needed
804 dnl $cf_cv_library_path_$3 - library-directory if needed
805 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
806 AC_DEFUN([CF_FIND_LINKAGE],[
808 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
809 # will be set on completion of the AC_TRY_LINK below.
810 cf_cv_header_path_$3=
811 cf_cv_library_path_$3=
813 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
817 AC_TRY_LINK([$1],[$2],[
818 cf_cv_find_linkage_$3=yes
819 cf_cv_header_path_$3=/usr/include
820 cf_cv_library_path_$3=/usr/lib
823 LIBS="-l$3 $7 $cf_save_LIBS"
825 AC_TRY_LINK([$1],[$2],[
826 cf_cv_find_linkage_$3=yes
827 cf_cv_header_path_$3=/usr/include
828 cf_cv_library_path_$3=/usr/lib
829 cf_cv_library_file_$3="-l$3"
831 cf_cv_find_linkage_$3=no
834 CF_VERBOSE(find linkage for $3 library)
835 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
837 cf_save_CPPFLAGS="$CPPFLAGS"
838 cf_test_CPPFLAGS="$CPPFLAGS"
840 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
841 for cf_cv_header_path_$3 in $cf_search
843 if test -d $cf_cv_header_path_$3 ; then
844 CF_VERBOSE(... testing $cf_cv_header_path_$3)
845 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
846 AC_TRY_COMPILE([$1],[$2],[
847 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
848 cf_cv_find_linkage_$3=maybe
849 cf_test_CPPFLAGS="$CPPFLAGS"
851 CPPFLAGS="$cf_save_CPPFLAGS"
856 if test "$cf_cv_find_linkage_$3" = maybe ; then
858 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
861 cf_save_LDFLAGS="$LDFLAGS"
864 CPPFLAGS="$cf_test_CPPFLAGS"
865 LIBS="-l$3 $7 $cf_save_LIBS"
866 AC_TRY_LINK([$1],[$2],[
867 CF_VERBOSE(... found $3 library in system)
868 cf_cv_find_linkage_$3=yes])
869 CPPFLAGS="$cf_save_CPPFLAGS"
873 if test "$cf_cv_find_linkage_$3" != yes ; then
874 CF_LIBRARY_PATH(cf_search,$3)
875 for cf_cv_library_path_$3 in $cf_search
877 if test -d $cf_cv_library_path_$3 ; then
878 CF_VERBOSE(... testing $cf_cv_library_path_$3)
879 CPPFLAGS="$cf_test_CPPFLAGS"
880 LIBS="-l$3 $7 $cf_save_LIBS"
881 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
882 AC_TRY_LINK([$1],[$2],[
883 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
884 cf_cv_find_linkage_$3=yes
885 cf_cv_library_file_$3="-l$3"
887 CPPFLAGS="$cf_save_CPPFLAGS"
889 LDFLAGS="$cf_save_LDFLAGS"
893 CPPFLAGS="$cf_save_CPPFLAGS"
894 LDFLAGS="$cf_save_LDFLAGS"
898 cf_cv_find_linkage_$3=no
905 if test "$cf_cv_find_linkage_$3" = yes ; then
907 CF_ADD_INCDIR($cf_cv_header_path_$3)
908 CF_ADD_LIBDIR($cf_cv_library_path_$3)
912 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
915 dnl ---------------------------------------------------------------------------
916 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
917 dnl -----------------
918 dnl make ADAFLAGS consistent with CFLAGS
919 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
920 AC_MSG_CHECKING(optimization options for ADAFLAGS)
928 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
929 CF_ADD_ADAFLAGS($cf_O_flag)
932 AC_MSG_RESULT($ADAFLAGS)
934 dnl ---------------------------------------------------------------------------
935 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
936 dnl -----------------
937 dnl Test for availability of useful gcc __attribute__ directives to quiet
938 dnl compiler warnings. Though useful, not all are supported -- and contrary
939 dnl to documentation, unrecognized directives cause older compilers to barf.
940 AC_DEFUN([CF_GCC_ATTRIBUTES],
944 cat > conftest.i <<EOF
952 #define GCC_NORETURN /* nothing */
955 #define GCC_UNUSED /* nothing */
960 AC_CHECKING([for $CC __attribute__ directives])
961 cat > conftest.$ac_ext <<EOF
962 #line __oline__ "${as_me:-configure}"
963 #include "confdefs.h"
964 #include "conftest.h"
965 #include "conftest.i"
967 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
969 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
972 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
974 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
976 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
977 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
978 extern void foo(void) GCC_NORETURN;
979 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
981 cf_printf_attribute=no
982 cf_scanf_attribute=no
983 for cf_attribute in scanf printf unused noreturn
985 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
986 cf_directive="__attribute__(($cf_attribute))"
987 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
989 case $cf_attribute in #(vi
991 cf_printf_attribute=yes
992 cat >conftest.h <<EOF
993 #define GCC_$cf_ATTRIBUTE 1
997 cf_scanf_attribute=yes
998 cat >conftest.h <<EOF
999 #define GCC_$cf_ATTRIBUTE 1
1003 cat >conftest.h <<EOF
1004 #define GCC_$cf_ATTRIBUTE $cf_directive
1009 if AC_TRY_EVAL(ac_compile); then
1010 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1011 cat conftest.h >>confdefs.h
1012 case $cf_attribute in #(vi
1014 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1017 cf_value='/* nothing */'
1018 if test "$cf_printf_attribute" != no ; then
1019 cf_value='__attribute__((format(printf,fmt,var)))'
1020 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1022 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1025 cf_value='/* nothing */'
1026 if test "$cf_scanf_attribute" != no ; then
1027 cf_value='__attribute__((format(scanf,fmt,var)))'
1028 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1030 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1033 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1039 fgrep define conftest.i >>confdefs.h
1044 dnl ---------------------------------------------------------------------------
1045 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1047 dnl Find version of gcc
1048 AC_DEFUN([CF_GCC_VERSION],[
1049 AC_REQUIRE([AC_PROG_CC])
1051 if test "$GCC" = yes ; then
1052 AC_MSG_CHECKING(version of $CC)
1053 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1054 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1055 AC_MSG_RESULT($GCC_VERSION)
1058 dnl ---------------------------------------------------------------------------
1059 dnl CF_GCC_WARNINGS version: 30 updated: 2013/11/16 13:56:26
1061 dnl Check if the compiler supports useful warning options. There's a few that
1062 dnl we don't use, simply because they're too noisy:
1064 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1065 dnl -Wredundant-decls (system headers make this too noisy)
1066 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1067 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1068 dnl is enabled for ncurses using "--enable-const".
1072 dnl $1 is an optional list of gcc warning flags that a particular
1073 dnl application might want to use, e.g., "no-unused" for
1076 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1078 AC_DEFUN([CF_GCC_WARNINGS],
1080 AC_REQUIRE([CF_GCC_VERSION])
1081 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1082 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1084 cat > conftest.$ac_ext <<EOF
1085 #line __oline__ "${as_me:-configure}"
1086 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1089 if test "$INTEL_COMPILER" = yes
1091 # The "-wdXXX" options suppress warnings:
1092 # remark #1419: external declaration in primary source file
1093 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1094 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1095 # remark #193: zero used for undefined preprocessing identifier
1096 # remark #593: variable "curs_sb_left_arrow" was set but never used
1097 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1098 # remark #869: parameter "tw" was never referenced
1099 # remark #981: operands are evaluated in unspecified order
1100 # warning #279: controlling expression is constant
1102 AC_CHECKING([for $CC warning options])
1103 cf_save_CFLAGS="$CFLAGS"
1104 EXTRA_CFLAGS="-Wall"
1116 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1117 if AC_TRY_EVAL(ac_compile); then
1118 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1119 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1122 CFLAGS="$cf_save_CFLAGS"
1124 elif test "$GCC" = yes
1126 AC_CHECKING([for $CC warning options])
1127 cf_save_CFLAGS="$CFLAGS"
1130 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1131 for cf_opt in W Wall \
1132 Wbad-function-cast \
1135 Wdeclaration-after-statement \
1137 Wignored-qualifiers \
1140 Wmissing-declarations \
1141 Wmissing-prototypes \
1145 Wstrict-prototypes \
1147 Wvarargs $cf_warn_CONST $1
1149 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1150 if AC_TRY_EVAL(ac_compile); then
1151 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1152 case $cf_opt in #(vi
1154 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1157 case $GCC_VERSION in
1159 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1163 Wpointer-arith) #(vi
1164 case $GCC_VERSION in
1166 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1171 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1174 CFLAGS="$cf_save_CFLAGS"
1178 AC_SUBST(EXTRA_CFLAGS)
1180 dnl ---------------------------------------------------------------------------
1181 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1182 dnl ----------------
1183 AC_DEFUN([CF_GNAT_GENERICS],
1185 AC_REQUIRE([CF_GNAT_VERSION])
1187 AC_MSG_CHECKING(if GNAT supports generics)
1188 case $cf_gnat_version in #(vi
1189 3.[[1-9]]*|[[4-9]].*) #(vi
1190 cf_gnat_generics=yes
1196 AC_MSG_RESULT($cf_gnat_generics)
1198 if test "$cf_gnat_generics" = yes
1200 cf_compile_generics=generics
1201 cf_generic_objects="\${GENOBJS}"
1203 cf_compile_generics=
1207 AC_SUBST(cf_compile_generics)
1208 AC_SUBST(cf_generic_objects)
1210 dnl ---------------------------------------------------------------------------
1211 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
1212 dnl --------------------
1213 dnl Check if the gnat pragma "Unreferenced" works.
1214 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
1215 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
1216 CF_GNAT_TRY_LINK([procedure conftest;],
1219 procedure conftest is
1221 pragma Unreferenced (test);
1224 Text_IO.Put ("Hello World");
1226 GNAT.OS_Lib.OS_Exit (0);
1228 [cf_cv_pragma_unreferenced=yes],
1229 [cf_cv_pragma_unreferenced=no])])
1231 # if the pragma is supported, use it (needed in the Trace code).
1232 if test $cf_cv_pragma_unreferenced = yes ; then
1237 AC_SUBST(PRAGMA_UNREF)
1239 dnl ---------------------------------------------------------------------------
1240 dnl CF_GNAT_PROJECTS version: 4 updated: 2013/09/07 14:05:46
1241 dnl ----------------
1242 dnl GNAT projects are configured with ".gpr" project files.
1243 dnl GNAT libraries are a further development, using the project feature.
1244 AC_DEFUN([CF_GNAT_PROJECTS],
1246 AC_REQUIRE([CF_GNAT_VERSION])
1248 cf_gnat_libraries=no
1251 AC_MSG_CHECKING(if GNAT supports project files)
1252 case $cf_gnat_version in #(vi
1256 case $cf_cv_system_name in #(vi
1260 mkdir conftest.src conftest.bin conftest.lib
1262 rm -rf conftest* *~conftest*
1263 cat >>library.gpr <<CF_EOF
1265 Kind := External ("LIB_KIND");
1266 for Library_Name use "ConfTest";
1267 for Object_Dir use ".";
1268 for Library_ALI_Dir use External("LIBRARY_DIR");
1269 for Library_Version use External ("SONAME");
1270 for Library_Kind use Kind;
1271 for Library_Dir use External("BUILD_DIR");
1272 Source_Dir := External ("SOURCE_DIR");
1273 for Source_Dirs use (Source_Dir);
1275 for Default_Switches ("Ada") use
1279 "-gnatVa", -- All validity checks
1280 "-gnatwa"); -- Activate all optional errors
1284 cat >>confpackage.ads <<CF_EOF
1285 package ConfPackage is
1289 cat >>confpackage.adb <<CF_EOF
1291 package body ConfPackage is
1292 procedure conftest is
1294 Text_IO.Put ("Hello World");
1299 if ( $cf_ada_make $ADAFLAGS \
1301 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1302 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1303 -XSOURCE_DIR=`pwd` \
1304 -XSONAME=libConfTest.so.1 \
1305 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1306 cf_gnat_projects=yes
1309 if test -f conftest.lib/confpackage.ali
1311 cf_gnat_libraries=yes
1313 rm -rf conftest* *~conftest*
1318 AC_MSG_RESULT($cf_gnat_projects)
1320 if test $cf_gnat_projects = yes
1322 AC_MSG_CHECKING(if GNAT supports libraries)
1323 AC_MSG_RESULT($cf_gnat_libraries)
1326 if test "$cf_gnat_projects" = yes
1328 USE_OLD_MAKERULES="#"
1329 USE_GNAT_PROJECTS=""
1331 USE_OLD_MAKERULES=""
1332 USE_GNAT_PROJECTS="#"
1335 if test "$cf_gnat_libraries" = yes
1337 USE_GNAT_LIBRARIES=""
1339 USE_GNAT_LIBRARIES="#"
1342 AC_SUBST(USE_OLD_MAKERULES)
1343 AC_SUBST(USE_GNAT_PROJECTS)
1344 AC_SUBST(USE_GNAT_LIBRARIES)
1346 dnl ---------------------------------------------------------------------------
1347 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1349 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1350 dnl is noted that gnat may compile a tasking unit even for configurations which
1351 dnl fail at runtime.
1352 AC_DEFUN([CF_GNAT_SIGINT],[
1353 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1354 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1358 pragma Warnings (Off); -- the next pragma exists since 3.11p
1359 pragma Unreserve_All_Interrupts;
1360 pragma Warnings (On);
1362 protected Process is
1364 function Continue return Boolean;
1365 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1367 Done : Boolean := False;
1371 [package body ConfTest is
1372 protected body Process is
1377 function Continue return Boolean is
1383 [cf_cv_gnat_sigint=yes],
1384 [cf_cv_gnat_sigint=no])])
1386 if test $cf_cv_gnat_sigint = yes ; then
1391 AC_SUBST(USE_GNAT_SIGINT)
1393 dnl ---------------------------------------------------------------------------
1394 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1395 dnl ----------------
1396 dnl Verify that a test program compiles/links with GNAT.
1397 dnl $cf_ada_make is set to the program that compiles/links
1398 dnl $ADAFLAGS may be set to the GNAT flags.
1400 dnl $1 is the text of the spec
1401 dnl $2 is the text of the body
1402 dnl $3 is the shell command to execute if successful
1403 dnl $4 is the shell command to execute if not successful
1404 AC_DEFUN([CF_GNAT_TRY_LINK],
1406 rm -rf conftest* *~conftest*
1407 cat >>conftest.ads <<CF_EOF
1410 cat >>conftest.adb <<CF_EOF
1413 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1414 ifelse($3,, :,[ $3])
1418 rm -rf conftest* *~conftest*
1420 dnl ---------------------------------------------------------------------------
1421 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1423 dnl Verify that a test program compiles and runs with GNAT
1424 dnl $cf_ada_make is set to the program that compiles/links
1425 dnl $ADAFLAGS may be set to the GNAT flags.
1427 dnl $1 is the text of the spec
1428 dnl $2 is the text of the body
1429 dnl $3 is the shell command to execute if successful
1430 dnl $4 is the shell command to execute if not successful
1431 AC_DEFUN([CF_GNAT_TRY_RUN],
1433 rm -rf conftest* *~conftest*
1434 cat >>conftest.ads <<CF_EOF
1437 cat >>conftest.adb <<CF_EOF
1440 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1441 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1442 ifelse($3,, :,[ $3])
1449 rm -rf conftest* *~conftest*
1451 dnl ---------------------------------------------------------------------------
1452 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
1454 dnl Verify version of GNAT.
1455 AC_DEFUN([CF_GNAT_VERSION],
1457 AC_MSG_CHECKING(for gnat version)
1458 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1459 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1460 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1461 AC_MSG_RESULT($cf_gnat_version)
1463 case $cf_gnat_version in #(vi
1464 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
1465 cf_cv_prog_gnat_correct=yes
1468 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1469 cf_cv_prog_gnat_correct=no
1473 dnl ---------------------------------------------------------------------------
1474 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1476 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1477 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1478 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1479 dnl since it is interwoven with GNU extensions.
1481 dnl Well, yes we could work around it...
1482 AC_DEFUN([CF_GNU_SOURCE],
1484 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1485 AC_TRY_COMPILE([#include <sys/types.h>],[
1486 #ifndef _XOPEN_SOURCE
1489 [cf_cv_gnu_source=no],
1490 [cf_save="$CPPFLAGS"
1491 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1492 AC_TRY_COMPILE([#include <sys/types.h>],[
1493 #ifdef _XOPEN_SOURCE
1496 [cf_cv_gnu_source=no],
1497 [cf_cv_gnu_source=yes])
1501 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1503 dnl ---------------------------------------------------------------------------
1504 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1506 dnl Construct a search-list of directories for a nonstandard header-file
1509 dnl $1 = the variable to return as result
1510 dnl $2 = the package name
1511 AC_DEFUN([CF_HEADER_PATH],
1515 # collect the current set of include-directories from compiler flags
1516 cf_header_path_list=""
1517 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1518 for cf_header_path in $CPPFLAGS $CFLAGS
1520 case $cf_header_path in #(vi
1522 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1523 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1524 cf_header_path_list="$cf_header_path_list [$]$1"
1530 # add the variations for the package we are looking for
1531 CF_SUBDIR_PATH($1,$2,include)
1533 test "$includedir" != NONE && \
1534 test "$includedir" != "/usr/include" && \
1535 test -d "$includedir" && {
1536 test -d $includedir && $1="[$]$1 $includedir"
1537 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1540 test "$oldincludedir" != NONE && \
1541 test "$oldincludedir" != "/usr/include" && \
1542 test -d "$oldincludedir" && {
1543 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1544 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1547 $1="[$]$1 $cf_header_path_list"
1549 dnl ---------------------------------------------------------------------------
1550 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1552 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1553 AC_DEFUN([CF_HELP_MESSAGE],
1554 [AC_DIVERT_HELP([$1])dnl
1556 dnl ---------------------------------------------------------------------------
1557 dnl CF_INCLUDE_DIRS version: 8 updated: 2013/10/12 16:45:09
1559 dnl Construct the list of include-options according to whether we're building
1560 dnl in the source directory or using '--srcdir=DIR' option. If we're building
1561 dnl with gcc, don't append the includedir if it happens to be /usr/include,
1562 dnl since that usually breaks gcc's shadow-includes.
1563 AC_DEFUN([CF_INCLUDE_DIRS],
1565 if test "$GCC" != yes; then
1566 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1567 elif test "$includedir" != "/usr/include"; then
1568 if test "$includedir" = '${prefix}/include' ; then
1569 if test x$prefix != x/usr ; then
1570 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1573 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1576 if test "$srcdir" != "."; then
1577 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1579 CPPFLAGS="-I. -I../include $CPPFLAGS"
1582 dnl ---------------------------------------------------------------------------
1583 dnl CF_INTEL_COMPILER version: 5 updated: 2013/02/10 10:41:05
1584 dnl -----------------
1585 dnl Check if the given compiler is really the Intel compiler for Linux. It
1586 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1587 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1589 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1590 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1591 dnl the wrappers for gcc and g++ warnings.
1593 dnl $1 = GCC (default) or GXX
1594 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1595 dnl $3 = CFLAGS (default) or CXXFLAGS
1596 AC_DEFUN([CF_INTEL_COMPILER],[
1597 AC_REQUIRE([AC_CANONICAL_HOST])
1598 ifelse([$2],,INTEL_COMPILER,[$2])=no
1600 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1603 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1604 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1605 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1607 #ifdef __INTEL_COMPILER
1611 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1612 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
1614 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1615 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1620 dnl ---------------------------------------------------------------------------
1621 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1623 dnl Add checks for large file support.
1624 AC_DEFUN([CF_LARGEFILE],[
1625 ifdef([AC_FUNC_FSEEKO],[
1627 if test "$enable_largefile" != no ; then
1630 # Normally we would collect these definitions in the config.h,
1631 # but (like _XOPEN_SOURCE), some environments rely on having these
1632 # defined before any of the system headers are included. Another
1633 # case comes up with C++, e.g., on AIX the compiler compiles the
1634 # header files by themselves before looking at the body files it is
1635 # told to compile. For ncurses, those header files do not include
1637 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1638 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1639 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1641 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1643 #include <sys/types.h>
1646 /* if transitional largefile support is setup, this is true */
1647 extern struct dirent64 * readdir(DIR *);
1648 struct dirent64 *x = readdir((DIR *)0);
1649 struct dirent *y = readdir((DIR *)0);
1652 [cf_cv_struct_dirent64=yes],
1653 [cf_cv_struct_dirent64=no])
1655 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1659 dnl ---------------------------------------------------------------------------
1660 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1662 dnl For the given system and compiler, find the compiler flags to pass to the
1663 dnl loader to use the "rpath" feature.
1664 AC_DEFUN([CF_LD_RPATH_OPT],
1666 AC_REQUIRE([CF_CHECK_CACHE])
1669 AC_MSG_CHECKING(for an rpath option)
1670 case $cf_cv_system_name in #(vi
1672 if test "$GCC" = yes; then
1673 LD_RPATH_OPT="-Wl,-rpath,"
1675 LD_RPATH_OPT="-rpath "
1678 linux*|gnu*|k*bsd*-gnu) #(vi
1679 LD_RPATH_OPT="-Wl,-rpath,"
1681 openbsd[[2-9]].*|mirbsd*) #(vi
1682 LD_RPATH_OPT="-Wl,-rpath,"
1684 dragonfly*|freebsd*) #(vi
1685 LD_RPATH_OPT="-rpath "
1688 LD_RPATH_OPT="-Wl,-rpath,"
1691 LD_RPATH_OPT="-rpath "
1699 AC_MSG_RESULT($LD_RPATH_OPT)
1701 case "x$LD_RPATH_OPT" in #(vi
1703 AC_MSG_CHECKING(if we need a space after rpath option)
1704 cf_save_LIBS="$LIBS"
1705 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1706 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1707 LIBS="$cf_save_LIBS"
1708 AC_MSG_RESULT($cf_rpath_space)
1709 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1713 dnl ---------------------------------------------------------------------------
1714 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1716 dnl Construct a search-list of directories for a nonstandard library-file
1719 dnl $1 = the variable to return as result
1720 dnl $2 = the package name
1721 AC_DEFUN([CF_LIBRARY_PATH],
1724 cf_library_path_list=""
1725 if test -n "${LDFLAGS}${LIBS}" ; then
1726 for cf_library_path in $LDFLAGS $LIBS
1728 case $cf_library_path in #(vi
1730 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1731 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1732 cf_library_path_list="$cf_library_path_list [$]$1"
1738 CF_SUBDIR_PATH($1,$2,lib)
1740 $1="$cf_library_path_list [$]$1"
1742 dnl ---------------------------------------------------------------------------
1743 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1745 dnl Compute the library-prefix for the given host system
1746 dnl $1 = variable to set
1747 define([CF_LIB_PREFIX],
1749 case $cf_cv_system_name in #(vi
1756 ifelse($1,,,[$1=$LIB_PREFIX])
1757 AC_SUBST(LIB_PREFIX)
1759 dnl ---------------------------------------------------------------------------
1760 dnl CF_LIB_SUFFIX version: 22 updated: 2013/09/07 13:54:05
1762 dnl Compute the library file-suffix from the given model name
1764 dnl $2 = variable to set (the nominal library suffix)
1765 dnl $3 = dependency variable to set (actual filename)
1766 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1767 AC_DEFUN([CF_LIB_SUFFIX],
1783 case $cf_cv_system_name in
1788 cygwin*|msys*|mingw*) #(vi
1819 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1820 test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1822 dnl ---------------------------------------------------------------------------
1823 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1825 dnl Compute the string to append to -library from the given model name
1827 dnl $2 = variable to set
1828 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1829 AC_DEFUN([CF_LIB_TYPE],
1838 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1840 dnl ---------------------------------------------------------------------------
1841 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1842 dnl ----------------
1843 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1844 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1845 dnl have to provide wrappers for global tables to ensure they're linked
1847 AC_DEFUN([CF_LINK_DATAONLY],
1849 AC_MSG_CHECKING([if data-only library module links])
1850 AC_CACHE_VAL(cf_cv_link_dataonly,[
1852 cat >conftest.$ac_ext <<EOF
1853 #line __oline__ "configure"
1854 int testdata[[3]] = { 123, 456, 789 };
1856 if AC_TRY_EVAL(ac_compile) ; then
1857 mv conftest.o data.o && \
1858 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1860 rm -f conftest.$ac_ext data.o
1861 cat >conftest.$ac_ext <<EOF
1862 #line __oline__ "configure"
1866 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1868 extern int testdata[[3]];
1869 return testdata[[0]] == 123
1870 && testdata[[1]] == 456
1871 && testdata[[2]] == 789;
1875 if AC_TRY_EVAL(ac_compile); then
1876 mv conftest.o func.o && \
1877 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1879 rm -f conftest.$ac_ext func.o
1880 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1882 LIBS="conftest.a $LIBS"
1886 extern int testfunc();
1887 ${cf_cv_main_return:-return} (!testfunc());
1890 [cf_cv_link_dataonly=yes],
1891 [cf_cv_link_dataonly=no],
1892 [cf_cv_link_dataonly=unknown])
1895 AC_MSG_RESULT($cf_cv_link_dataonly)
1897 if test "$cf_cv_link_dataonly" = no ; then
1898 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1903 dnl ---------------------------------------------------------------------------
1904 dnl CF_MAKEFLAGS version: 14 updated: 2011/03/31 19:29:46
1906 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1907 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1908 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1909 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1910 AC_DEFUN([CF_MAKEFLAGS],
1912 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1914 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1916 cat >cf_makeflags.tmp <<CF_EOF
1919 @ echo '.$cf_option'
1921 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1922 case "$cf_result" in
1924 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1925 case "$cf_result" in
1926 .*CC=*) cf_cv_makeflags=
1928 *) cf_cv_makeflags=$cf_option
1934 *) echo "given option \"$cf_option\", no match \"$cf_result\""
1938 rm -f cf_makeflags.tmp
1941 AC_SUBST(cf_cv_makeflags)
1943 dnl ---------------------------------------------------------------------------
1944 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1946 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
1947 dnl a monocase filesystem.
1948 AC_DEFUN([CF_MAKE_TAGS],[
1949 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1951 AC_CHECK_PROGS(CTAGS, exctags ctags)
1952 AC_CHECK_PROGS(ETAGS, exetags etags)
1954 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1956 if test "$cf_cv_mixedcase" = yes ; then
1957 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1962 if test "$MAKE_UPPER_TAGS" = yes ; then
1968 if test "$MAKE_LOWER_TAGS" = yes ; then
1977 AC_SUBST(MAKE_UPPER_TAGS)
1978 AC_SUBST(MAKE_LOWER_TAGS)
1980 dnl ---------------------------------------------------------------------------
1981 dnl CF_MIXEDCASE_FILENAMES version: 6 updated: 2013/10/08 17:47:05
1982 dnl ----------------------
1983 dnl Check if the file-system supports mixed-case filenames. If we're able to
1984 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1985 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1987 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1988 if test "$cross_compiling" = yes ; then
1989 case $target_alias in #(vi
1990 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) #(vi
1998 rm -f conftest CONFTEST
2000 if test -f CONFTEST ; then
2005 rm -f conftest CONFTEST
2008 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2010 dnl ---------------------------------------------------------------------------
2011 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2013 dnl Check for a working mkstemp. This creates two files, checks that they are
2014 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2015 AC_DEFUN([CF_MKSTEMP],[
2016 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2019 #include <sys/types.h>
2023 #include <sys/stat.h>
2026 char *tmpl = "conftestXXXXXX";
2034 for (n = 0; n < 2; ++n) {
2035 strcpy(name[n], tmpl);
2036 if ((fd = mkstemp(name[n])) >= 0) {
2037 if (!strcmp(name[n], tmpl)
2038 || stat(name[n], &sb) != 0
2039 || (sb.st_mode & S_IFMT) != S_IFREG
2040 || (sb.st_mode & 077) != 0) {
2047 && !strcmp(name[0], name[1]))
2049 ${cf_cv_main_return:-return}(result);
2051 ],[cf_cv_func_mkstemp=yes
2052 ],[cf_cv_func_mkstemp=no
2053 ],[cf_cv_func_mkstemp=maybe])
2055 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2056 AC_CHECK_FUNC(mkstemp)
2058 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2059 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2062 dnl ---------------------------------------------------------------------------
2063 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2065 dnl Write a debug message to config.log, along with the line number in the
2066 dnl configure script.
2067 AC_DEFUN([CF_MSG_LOG],[
2068 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2070 dnl ---------------------------------------------------------------------------
2071 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2072 dnl ----------------
2073 dnl Configure an ncurses add-on, built outside the ncurses tree.
2074 AC_DEFUN([CF_NCURSES_ADDON],[
2076 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2078 AC_MSG_CHECKING(if you want wide-character code)
2079 AC_ARG_ENABLE(widec,
2080 [ --enable-widec compile with wide-char/UTF-8 code],
2081 [with_widec=$enableval],
2083 AC_MSG_RESULT($with_widec)
2084 if test "$with_widec" = yes ; then
2086 CF_NCURSES_CONFIG(ncursesw)
2088 CF_NCURSES_CONFIG(ncurses)
2091 if test "$NCURSES_CONFIG" != none ; then
2093 cf_version=`$NCURSES_CONFIG --version`
2095 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2096 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2097 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2099 # ABI version is not available from headers
2100 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2104 for cf_name in MAJOR MINOR PATCH
2106 cat >conftest.$ac_ext <<CF_EOF
2107 #include <${cf_cv_ncurses_header:-curses.h}>
2108 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2110 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2112 if test -f conftest.out ; then
2113 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2114 eval NCURSES_$cf_name=\"$cf_result\"
2115 # cat conftest.$ac_ext
2120 cf_cv_abi_version=${NCURSES_MAJOR}
2124 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2126 dnl Show the computed version, for logging
2127 cf_cv_timestamp=`date`
2129 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2131 dnl We need these values in the generated headers
2132 AC_SUBST(NCURSES_MAJOR)
2133 AC_SUBST(NCURSES_MINOR)
2134 AC_SUBST(NCURSES_PATCH)
2136 dnl We need these values in the generated makefiles
2137 AC_SUBST(cf_cv_rel_version)
2138 AC_SUBST(cf_cv_abi_version)
2140 dnl FIXME - not needed for Ada95
2141 AC_SUBST(cf_cv_builtin_bool)
2142 AC_SUBST(cf_cv_header_stdbool_h)
2143 AC_SUBST(cf_cv_type_of_bool)dnl
2146 dnl ---------------------------------------------------------------------------
2147 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2148 dnl -------------------
2149 dnl Check if we can compile with ncurses' header file
2150 dnl $1 is the cache variable to set
2151 dnl $2 is the header-file to include
2152 dnl $3 is the root name (ncurses or ncursesw)
2153 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2155 ]ifelse($3,ncursesw,[
2156 #define _XOPEN_SOURCE_EXTENDED
2157 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2158 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2161 #ifdef NCURSES_VERSION
2162 ]ifelse($3,ncursesw,[
2167 printf("%s\n", NCURSES_VERSION);
2179 dnl ---------------------------------------------------------------------------
2180 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2181 dnl -----------------
2182 dnl Tie together the configure-script macros for ncurses.
2183 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2184 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2186 dnl $1 is the root library name (default: "ncurses")
2187 AC_DEFUN([CF_NCURSES_CONFIG],
2189 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2191 echo "Looking for ${cf_ncuconfig_root}-config"
2193 CF_ACVERSION_CHECK(2.52,
2194 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2195 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2197 if test "$NCURSES_CONFIG" != none ; then
2199 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2200 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2202 # even with config script, some packages use no-override for curses.h
2203 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2205 dnl like CF_NCURSES_CPPFLAGS
2206 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2208 dnl like CF_NCURSES_LIBS
2209 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2210 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2212 dnl like CF_NCURSES_VERSION
2213 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2217 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2218 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2222 dnl ---------------------------------------------------------------------------
2223 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2224 dnl -------------------
2225 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2226 dnl the CPPFLAGS variable so we can include its header.
2228 dnl The header files may be installed as either curses.h, or ncurses.h (would
2229 dnl be obsolete, except that some packagers prefer this name to distinguish it
2230 dnl from a "native" curses implementation). If not installed for overwrite,
2231 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2232 dnl /usr/include/ncurses), but someone may have installed overwriting the
2233 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2234 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2237 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2238 dnl is already in the include-path, don't even bother with this, since we cannot
2239 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2241 dnl The optional parameter gives the root name of the library, in case it is
2242 dnl not installed as the default curses library. That is how the
2243 dnl wide-character version of ncurses is installed.
2244 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2245 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2247 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2248 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2250 test -n "$cf_cv_curses_dir" && \
2251 test "$cf_cv_curses_dir" != "no" && { \
2252 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2255 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2256 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2257 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2258 for cf_header in $cf_header_list
2260 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2261 test "$cf_cv_ncurses_h" != no && break
2268 # some applications need this, but should check for NCURSES_VERSION
2269 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2273 dnl ---------------------------------------------------------------------------
2274 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2275 dnl -----------------
2276 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2277 dnl variations of ncurses' installs.
2279 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2280 AC_DEFUN([CF_NCURSES_HEADER],[
2282 if test "$cf_cv_ncurses_h" != no ; then
2283 cf_cv_ncurses_header=$cf_cv_ncurses_h
2286 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2287 test -n "$verbose" && echo
2288 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2289 test -n "$verbose" && echo search path $cf_search
2290 cf_save2_CPPFLAGS="$CPPFLAGS"
2291 for cf_incdir in $cf_search
2293 CF_ADD_INCDIR($cf_incdir)
2298 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2299 if test "$cf_cv_ncurses_h2" != no ; then
2300 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2301 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2304 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2306 CPPFLAGS="$cf_save2_CPPFLAGS"
2307 test "$cf_cv_ncurses_h2" != no && break
2309 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2312 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2313 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2314 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2315 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2317 CF_ADD_INCDIR($cf_1st_incdir)
2321 # Set definitions to allow ifdef'ing for ncurses.h
2323 case $cf_cv_ncurses_header in # (vi
2325 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2329 case $cf_cv_ncurses_header in # (vi
2330 ncurses/curses.h|ncurses/ncurses.h)
2331 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2333 ncursesw/curses.h|ncursesw/ncurses.h)
2334 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2339 dnl ---------------------------------------------------------------------------
2340 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2342 dnl Look for the ncurses library. This is a little complicated on Linux,
2343 dnl because it may be linked with the gpm (general purpose mouse) library.
2344 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2345 dnl unusable with ncurses. However, we don't want to link with gpm unless
2346 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2347 dnl and the linker will record a dependency.
2349 dnl The optional parameter gives the root name of the library, in case it is
2350 dnl not installed as the default curses library. That is how the
2351 dnl wide-character version of ncurses is installed.
2352 AC_DEFUN([CF_NCURSES_LIBS],
2353 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2355 cf_nculib_root=ifelse($1,,ncurses,$1)
2356 # This works, except for the special case where we find gpm, but
2357 # ncurses is in a nonstandard location via $LIBS, and we really want
2360 cf_ncurses_SAVE="$LIBS"
2361 AC_CHECK_LIB(gpm,Gpm_Open,
2362 [AC_CHECK_LIB(gpm,initscr,
2363 [LIBS="$cf_ncurses_SAVE"],
2364 [cf_ncurses_LIBS="-lgpm"])])
2366 case $host_os in #(vi
2368 # This is only necessary if you are linking against an obsolete
2369 # version of ncurses (but it should do no harm, since it's static).
2370 if test "$cf_nculib_root" = ncurses ; then
2371 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2376 CF_ADD_LIBS($cf_ncurses_LIBS)
2378 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2380 CF_ADD_LIBS(-l$cf_nculib_root)
2382 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2383 [#include <${cf_cv_ncurses_header:-curses.h}>],
2388 if test -n "$cf_ncurses_LIBS" ; then
2389 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2390 cf_ncurses_SAVE="$LIBS"
2391 for p in $cf_ncurses_LIBS ; do
2392 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2393 if test "$q" != "$LIBS" ; then
2397 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2398 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2399 [AC_MSG_RESULT(yes)],
2401 LIBS="$cf_ncurses_SAVE"])
2404 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2405 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2407 dnl ---------------------------------------------------------------------------
2408 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2409 dnl ------------------
2410 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2411 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2412 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2413 AC_DEFUN([CF_NCURSES_VERSION],
2415 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2416 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2417 cf_cv_ncurses_version=no
2421 #include <${cf_cv_ncurses_header:-curses.h}>
2425 FILE *fp = fopen("$cf_tempfile", "w");
2426 #ifdef NCURSES_VERSION
2427 # ifdef NCURSES_VERSION_PATCH
2428 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2430 fprintf(fp, "%s\n", NCURSES_VERSION);
2434 fprintf(fp, "old\n");
2439 ${cf_cv_main_return:-return}(0);
2441 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2443 # This will not work if the preprocessor splits the line after the
2444 # Autoconf token. The 'unproto' program does that.
2445 cat > conftest.$ac_ext <<EOF
2446 #include <${cf_cv_ncurses_header:-curses.h}>
2448 #ifdef NCURSES_VERSION
2449 Autoconf NCURSES_VERSION
2457 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2459 if test -f conftest.out ; then
2460 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2461 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2467 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2469 dnl ---------------------------------------------------------------------------
2470 dnl CF_OBJ_SUBDIR version: 6 updated: 2013/09/07 14:06:10
2472 dnl Compute the object-directory name from the given model name
2473 AC_DEFUN([CF_OBJ_SUBDIR],
2476 libtool) $2='obj_lo' ;;
2477 normal) $2='objects' ;;
2478 debug) $2='obj_g' ;;
2479 profile) $2='obj_p' ;;
2481 case $cf_cv_system_name in #(vi
2489 dnl ---------------------------------------------------------------------------
2490 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2492 dnl Provide a value for the $PATH and similar separator (or amend the value
2493 dnl as provided in autoconf 2.5x).
2494 AC_DEFUN([CF_PATHSEP],
2496 AC_MSG_CHECKING(for PATH separator)
2497 case $cf_cv_system_name in
2498 os2*) PATH_SEPARATOR=';' ;;
2499 *) ${PATH_SEPARATOR:=':'} ;;
2501 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2502 AC_SUBST(PATH_SEPARATOR)
2503 AC_MSG_RESULT($PATH_SEPARATOR)
2505 dnl ---------------------------------------------------------------------------
2506 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2508 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2509 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2510 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2511 dnl delayed evaluation of those symbols.
2512 AC_DEFUN([CF_PATH_SYNTAX],[
2513 if test "x$prefix" != xNONE; then
2514 cf_path_syntax="$prefix"
2516 cf_path_syntax="$ac_default_prefix"
2519 case ".[$]$1" in #(vi
2520 .\[$]\(*\)*|.\'*\'*) #(vi
2524 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2526 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2528 case ".[$]$1" in #(vi
2530 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2535 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2538 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2542 dnl ---------------------------------------------------------------------------
2543 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2545 dnl Check for the package-config program, unless disabled by command-line.
2546 AC_DEFUN([CF_PKG_CONFIG],
2548 AC_MSG_CHECKING(if you want to use pkg-config)
2549 AC_ARG_WITH(pkg-config,
2550 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2551 [cf_pkg_config=$withval],
2552 [cf_pkg_config=yes])
2553 AC_MSG_RESULT($cf_pkg_config)
2555 case $cf_pkg_config in #(vi
2560 CF_ACVERSION_CHECK(2.52,
2561 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2562 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2569 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2570 if test "$PKG_CONFIG" != none ; then
2571 CF_PATH_SYNTAX(PKG_CONFIG)
2574 AC_SUBST(PKG_CONFIG)
2576 dnl ---------------------------------------------------------------------------
2577 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2578 dnl -----------------
2579 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2581 dnl POSIX.1-1990 _POSIX_SOURCE
2582 dnl POSIX.1-1990 and _POSIX_SOURCE and
2583 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2585 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2586 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2587 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2590 dnl $1 is the nominal value for _POSIX_C_SOURCE
2591 AC_DEFUN([CF_POSIX_C_SOURCE],
2593 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2595 cf_save_CFLAGS="$CFLAGS"
2596 cf_save_CPPFLAGS="$CPPFLAGS"
2598 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2599 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2601 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2602 CF_MSG_LOG(if the symbol is already defined go no further)
2603 AC_TRY_COMPILE([#include <sys/types.h>],[
2604 #ifndef _POSIX_C_SOURCE
2607 [cf_cv_posix_c_source=no],
2608 [cf_want_posix_source=no
2609 case .$cf_POSIX_C_SOURCE in #(vi
2611 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2614 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2615 cf_want_posix_source=yes
2618 cf_want_posix_source=yes
2621 if test "$cf_want_posix_source" = yes ; then
2622 AC_TRY_COMPILE([#include <sys/types.h>],[
2623 #ifdef _POSIX_SOURCE
2626 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2628 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2629 CFLAGS="$cf_trim_CFLAGS"
2630 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2631 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2632 AC_TRY_COMPILE([#include <sys/types.h>],[
2633 #ifndef _POSIX_C_SOURCE
2636 [cf_cv_posix_c_source=no])
2637 CFLAGS="$cf_save_CFLAGS"
2638 CPPFLAGS="$cf_save_CPPFLAGS"
2642 if test "$cf_cv_posix_c_source" != no ; then
2643 CFLAGS="$cf_trim_CFLAGS"
2644 CPPFLAGS="$cf_trim_CPPFLAGS"
2645 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2649 dnl ---------------------------------------------------------------------------
2650 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2652 dnl Check for archiver "ar".
2653 AC_DEFUN([CF_PROG_AR],[
2654 AC_CHECK_TOOL(AR, ar, ar)
2656 dnl ---------------------------------------------------------------------------
2657 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2659 dnl Check for awk, ensure that the check found something.
2660 AC_DEFUN([CF_PROG_AWK],
2663 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2665 dnl ---------------------------------------------------------------------------
2666 dnl CF_PROG_CC version: 3 updated: 2012/10/06 15:31:55
2668 dnl standard check for CC, plus followup sanity checks
2669 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2670 AC_DEFUN([CF_PROG_CC],[
2671 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2673 CF_ACVERSION_CHECK(2.52,
2678 dnl ---------------------------------------------------------------------------
2679 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2681 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2682 dnl the output file can be renamed, and allows for a shell variable that can
2683 dnl be used later. The parameter is either CC or CXX. The result is the
2685 dnl $cf_cv_prog_CC_c_o
2686 dnl $cf_cv_prog_CXX_c_o
2687 AC_DEFUN([CF_PROG_CC_C_O],
2688 [AC_REQUIRE([AC_PROG_CC])dnl
2689 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2690 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2692 cat > conftest.$ac_ext <<CF_EOF
2696 ${cf_cv_main_return:-return}(0);
2699 # We do the test twice because some compilers refuse to overwrite an
2700 # existing .o file with -o, though they will create one.
2701 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2702 if AC_TRY_EVAL(ac_try) &&
2703 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2705 eval cf_cv_prog_$1_c_o=yes
2707 eval cf_cv_prog_$1_c_o=no
2711 if test $cf_cv_prog_$1_c_o = yes; then
2712 AC_MSG_RESULT([yes])
2717 dnl ---------------------------------------------------------------------------
2718 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2720 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2721 dnl This macro adds a check to ensure the script found something.
2722 AC_DEFUN([CF_PROG_EGREP],
2723 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2724 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2725 then ac_cv_prog_egrep='grep -E'
2726 else ac_cv_prog_egrep='egrep'
2728 EGREP=$ac_cv_prog_egrep
2730 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2732 dnl ---------------------------------------------------------------------------
2733 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2735 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2736 AC_DEFUN([CF_PROG_EXT],
2738 AC_REQUIRE([CF_CHECK_CACHE])
2739 case $cf_cv_system_name in
2741 CFLAGS="$CFLAGS -Zmt"
2742 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2743 CXXFLAGS="$CXXFLAGS -Zmt"
2744 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2745 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2755 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2757 dnl ---------------------------------------------------------------------------
2758 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2760 dnl Check for gnatmake, ensure that it is complete.
2761 AC_DEFUN([CF_PROG_GNAT],[
2762 cf_ada_make=gnatmake
2763 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2764 if test "$ac_cv_prog_gnat_exists" = no; then
2766 cf_cv_prog_gnat_correct=no
2769 AC_CHECK_PROG(M4_exists, m4, yes, no)
2770 if test "$ac_cv_prog_M4_exists" = no; then
2771 cf_cv_prog_gnat_correct=no
2772 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2774 if test "$cf_cv_prog_gnat_correct" = yes; then
2775 AC_MSG_CHECKING(if GNAT works)
2776 CF_GNAT_TRY_RUN([procedure conftest;],
2779 procedure conftest is
2781 Text_IO.Put ("Hello World");
2783 GNAT.OS_Lib.OS_Exit (0);
2784 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2785 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2789 AC_SUBST(cf_ada_make)
2791 dnl ---------------------------------------------------------------------------
2792 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2794 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2795 dnl option if it is supported.
2796 AC_DEFUN([CF_PROG_LN_S],[
2798 AC_MSG_CHECKING(if $LN_S -f options work)
2800 rm -f conf$$.src conf$$dst
2802 echo first >conf$$.src
2803 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2808 rm -f conf$$.dst conf$$src
2809 AC_MSG_RESULT($cf_prog_ln_sf)
2811 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2813 dnl ---------------------------------------------------------------------------
2814 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2815 dnl ----------------
2816 dnl Remove all -U and -D options that refer to the given symbol from a list
2817 dnl of C compiler options. This works around the problem that not all
2818 dnl compilers process -U and -D options from left-to-right, so a -U option
2819 dnl cannot be used to cancel the effect of a preceding -D option.
2821 dnl $1 = target (which could be the same as the source variable)
2822 dnl $2 = source (including '$')
2823 dnl $3 = symbol to remove
2824 define([CF_REMOVE_DEFINE],
2827 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2828 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2830 dnl ---------------------------------------------------------------------------
2831 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2833 dnl Remove the given library from the symbol
2835 dnl $1 = target (which could be the same as the source variable)
2836 dnl $2 = source (including '$')
2837 dnl $3 = library to remove
2838 define([CF_REMOVE_LIB],
2840 # remove $3 library from $2
2841 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2843 dnl ---------------------------------------------------------------------------
2844 dnl CF_SHARED_OPTS version: 84 updated: 2013/11/03 06:26:10
2847 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2851 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2852 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2853 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2854 dnl shared library since that can lead to unexpected results at runtime.
2855 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2856 dnl libraries are compiled in ../../lib
2858 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2859 dnl to install symbolic links to the rel/abi versions of shared libraries.
2861 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2862 dnl version when making symbolic links.
2864 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2865 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2866 dnl (ex: libncurses.so.<ver>).
2868 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2869 AC_DEFUN([CF_SHARED_OPTS],
2871 AC_REQUIRE([CF_LD_RPATH_OPT])
2876 INSTALL_LIB="-m 644"
2877 : ${rel_builddir:=.}
2885 cf_cv_do_symlinks=no
2887 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2889 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2890 AC_ARG_WITH(shlib-version,
2891 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2892 [test -z "$withval" && withval=auto
2893 case $withval in #(vi
2895 cf_cv_shlib_version=auto
2897 rel|abi|auto|no) #(vi
2898 cf_cv_shlib_version=$withval
2901 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2904 ],[cf_cv_shlib_version=auto])
2905 AC_MSG_RESULT($cf_cv_shlib_version)
2910 # Some less-capable ports of gcc support only -fpic
2912 if test "$GCC" = yes
2914 AC_MSG_CHECKING(which $CC option to use)
2915 cf_save_CFLAGS="$CFLAGS"
2916 for CC_SHARED_OPTS in -fPIC -fpic ''
2918 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2919 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2921 AC_MSG_RESULT($CC_SHARED_OPTS)
2922 CFLAGS="$cf_save_CFLAGS"
2925 cf_cv_shlib_version_infix=no
2927 case $cf_cv_system_name in #(vi
2928 aix4.[3-9]*|aix[[5-7]]*) #(vi
2929 if test "$GCC" = yes; then
2931 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2933 # CC_SHARED_OPTS='-qpic=large -G'
2934 # perhaps "-bM:SRE -bnoentry -bexpall"
2935 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2939 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2943 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2944 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2945 cf_cv_shlib_version=cygdll
2946 cf_cv_shlib_version_infix=cygdll
2949 cat >mk_shared_lib.sh <<-CF_EOF
2952 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2955 Linking shared library
2956 ** SHARED_LIB \[$]SHARED_LIB
2957 ** IMPORT_LIB \[$]IMPORT_LIB
2959 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2961 chmod +x mk_shared_lib.sh
2965 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2966 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2967 cf_cv_shlib_version=msysdll
2968 cf_cv_shlib_version_infix=msysdll
2971 cat >mk_shared_lib.sh <<-CF_EOF
2974 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2977 Linking shared library
2978 ** SHARED_LIB \[$]SHARED_LIB
2979 ** IMPORT_LIB \[$]IMPORT_LIB
2981 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2983 chmod +x mk_shared_lib.sh
2986 cf_try_cflags="no-cpp-precomp"
2987 CC_SHARED_OPTS="-dynamic"
2988 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2989 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2990 cf_cv_shlib_version_infix=yes
2991 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
2992 cf_save_LDFLAGS=$LDFLAGS
2993 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2994 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
2995 LDFLAGS=$cf_save_LDFLAGS])
2996 if test $cf_cv_ldflags_search_paths_first = yes; then
2997 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3001 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3002 if test "$GCC" != yes; then
3005 MK_SHARED_LIB='${LD} -b -o $[@]'
3006 INSTALL_LIB="-m 555"
3009 # (tested with gcc 2.7.2 -- I don't have c89)
3010 if test "$GCC" = yes; then
3011 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3014 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3016 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3017 # HP-UX shared libraries must be executable, and should be
3018 # readonly to exploit a quirk in the memory manager.
3019 INSTALL_LIB="-m 555"
3022 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3023 if test "$cf_cv_shlib_version" = rel; then
3024 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3026 cf_shared_soname='`basename $@`'
3029 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3032 if test "$cf_cv_enable_rpath" = yes ; then
3033 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3035 # tested with IRIX 5.2 and 'cc'.
3036 if test "$GCC" != yes; then
3037 CC_SHARED_OPTS='-KPIC'
3038 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3040 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3042 cf_cv_rm_so_locs=yes
3044 linux*|gnu*|k*bsd*-gnu) #(vi
3045 if test "$DFT_LWR_MODEL" = "shared" ; then
3046 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3047 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3049 if test "$cf_cv_enable_rpath" = yes ; then
3050 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3053 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3056 cf_cv_shlib_version=mingw
3057 cf_cv_shlib_version_infix=mingw
3060 if test "$DFT_LWR_MODEL" = "shared" ; then
3061 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3062 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3063 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3066 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3067 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3068 cat >mk_shared_lib.sh <<-CF_EOF
3071 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3074 Linking shared library
3075 ** SHARED_LIB \[$]SHARED_LIB
3076 ** IMPORT_LIB \[$]IMPORT_LIB
3078 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3080 chmod +x mk_shared_lib.sh
3082 openbsd[[2-9]].*|mirbsd*) #(vi
3083 if test "$DFT_LWR_MODEL" = "shared" ; then
3084 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3085 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3087 if test "$cf_cv_enable_rpath" = yes ; then
3088 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3090 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3092 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3094 nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3095 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3096 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3097 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3099 dragonfly*|freebsd*) #(vi
3100 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3101 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3102 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3103 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3104 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3107 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3110 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3111 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3112 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3113 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3114 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3115 if test "$cf_cv_shlib_version" = auto; then
3116 if test -f /usr/libexec/ld.elf_so; then
3117 cf_cv_shlib_version=abi
3119 cf_cv_shlib_version=rel
3123 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3125 MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3129 # tested with OSF/1 V3.2 and 'cc'
3130 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3131 # link with shared libs).
3132 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3133 case $host_os in #(vi
3135 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3138 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3139 if test "$DFT_LWR_MODEL" = "shared" ; then
3140 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3141 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3143 cf_cv_rm_so_locs=yes
3145 sco3.2v5*) # (also uw2* and UW7: hops 13-Apr-98
3146 # tested with osr5.0.5
3147 if test "$GCC" != yes; then
3148 CC_SHARED_OPTS='-belf -KPIC'
3150 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3151 if test "$cf_cv_enable_rpath" = yes ; then
3152 # only way is to set LD_RUN_PATH but no switch for it
3155 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3156 LINK_PROGS='LD_RUN_PATH=${libdir}'
3157 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3160 # tested with SunOS 4.1.1 and gcc 2.7.0
3161 if test "$GCC" != yes; then
3162 CC_SHARED_OPTS='-KPIC'
3164 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3165 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3168 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3169 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3170 if test "$DFT_LWR_MODEL" = "shared" ; then
3171 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3172 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3174 if test "$cf_cv_enable_rpath" = yes ; then
3175 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3178 if test "$GCC" != yes; then
3179 cf_save_CFLAGS="$CFLAGS"
3180 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3182 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3183 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3185 CFLAGS="$cf_save_CFLAGS"
3186 CC_SHARED_OPTS=$cf_shared_opts
3187 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3189 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3192 sysv5uw7*|unix_sv*) #(vi
3193 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3194 if test "$GCC" != yes; then
3195 CC_SHARED_OPTS='-KPIC'
3197 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3200 CC_SHARED_OPTS='unknown'
3201 MK_SHARED_LIB='echo unknown'
3205 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3206 case "$cf_cv_shlib_version" in #(vi
3208 case "$MK_SHARED_LIB" in #(vi
3210 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3213 AC_MSG_WARN(ignored --with-shlib-version)
3219 if test -n "$cf_try_cflags"
3221 cat > conftest.$ac_ext <<EOF
3222 #line __oline__ "${as_me:-configure}"
3224 int main(int argc, char *argv[[]])
3227 return (argv[[argc-1]] == 0) ;
3230 cf_save_CFLAGS="$CFLAGS"
3231 for cf_opt in $cf_try_cflags
3233 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3234 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3235 if AC_TRY_EVAL(ac_compile); then
3237 cf_save_CFLAGS="$CFLAGS"
3242 CFLAGS="$cf_save_CFLAGS"
3246 # RPATH_LIST is a colon-separated list of directories
3247 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3248 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3250 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3252 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3253 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3255 AC_SUBST(CC_SHARED_OPTS)
3256 AC_SUBST(LD_RPATH_OPT)
3257 AC_SUBST(LD_SHARED_OPTS)
3258 AC_SUBST(MK_SHARED_LIB)
3259 AC_SUBST(RM_SHARED_OPTS)
3261 AC_SUBST(LINK_PROGS)
3262 AC_SUBST(LINK_TESTS)
3264 AC_SUBST(EXTRA_LDFLAGS)
3265 AC_SUBST(LOCAL_LDFLAGS)
3266 AC_SUBST(LOCAL_LDFLAGS2)
3268 AC_SUBST(INSTALL_LIB)
3269 AC_SUBST(RPATH_LIST)
3271 dnl ---------------------------------------------------------------------------
3272 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3273 dnl ----------------
3274 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3275 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3278 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3279 dnl If missing, use "rel".
3280 define([CF_SHARED_SONAME],
3282 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3283 if test "$cf_cv_shlib_version" = rel; then
3284 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3286 cf_cv_shared_soname='`basename $[@]`'
3289 dnl ---------------------------------------------------------------------------
3290 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3292 dnl Remove "-g" option from the compiler options
3293 AC_DEFUN([CF_STRIP_G_OPT],
3294 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3295 dnl ---------------------------------------------------------------------------
3296 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3298 dnl Construct a search-list for a nonstandard header/lib-file
3299 dnl $1 = the variable to return as result
3300 dnl $2 = the package name
3301 dnl $3 = the subdirectory, e.g., bin, include or lib
3302 AC_DEFUN([CF_SUBDIR_PATH],
3306 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3307 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3308 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3309 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3310 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3312 dnl ---------------------------------------------------------------------------
3313 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3315 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3316 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3317 dnl but some packagers change this, breaking various applications.
3318 AC_DEFUN([CF_TERM_HEADER],[
3319 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3320 case ${cf_cv_ncurses_header} in #(vi
3321 */ncurses.h|*/ncursesw.h) #(vi
3322 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3325 cf_term_header=term.h
3329 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3331 AC_TRY_COMPILE([#include <stdio.h>
3332 #include <${cf_cv_ncurses_header:-curses.h}>
3334 ],[int x = auto_left_margin],[
3335 cf_cv_term_header="$cf_test"],[
3336 cf_cv_term_header=unknown
3338 test "$cf_cv_term_header" != unknown && break
3342 # Set definitions to allow ifdef'ing to accommodate subdirectories
3344 case $cf_cv_term_header in # (vi
3346 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3350 case $cf_cv_term_header in # (vi
3351 ncurses/term.h) #(vi
3352 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3355 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3359 dnl ---------------------------------------------------------------------------
3360 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3362 dnl Define a top_builddir symbol, for applications that need an absolute path.
3363 AC_DEFUN([CF_TOP_BUILDDIR],
3365 top_builddir=ifelse($1,,`pwd`,$1)
3366 AC_SUBST(top_builddir)
3368 dnl ---------------------------------------------------------------------------
3369 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3370 dnl -------------------
3371 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3372 dnl can define it successfully.
3373 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3374 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3378 #include <sys/types.h>
3380 #ifndef _XOPEN_SOURCE
3383 [cf_cv_xopen_source=no],
3384 [cf_save="$CPPFLAGS"
3385 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3389 #include <sys/types.h>
3391 #ifdef _XOPEN_SOURCE
3394 [cf_cv_xopen_source=no],
3395 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3400 if test "$cf_cv_xopen_source" != no ; then
3401 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3402 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3403 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3404 CF_ADD_CFLAGS($cf_temp_xopen_source)
3407 dnl ---------------------------------------------------------------------------
3408 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3410 dnl Make an uppercase version of a variable
3411 dnl $1=uppercase($2)
3412 AC_DEFUN([CF_UPPER],
3414 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3416 dnl ---------------------------------------------------------------------------
3417 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3419 dnl Check for multibyte support, and if not found, utf8 compatibility library
3420 AC_DEFUN([CF_UTF8_LIB],
3422 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3423 cf_save_LIBS="$LIBS"
3425 #include <stdlib.h>],[putwc(0,0);],
3426 [cf_cv_utf8_lib=yes],
3428 #include <libutf8.h>],[putwc(0,0);],utf8,
3429 [cf_cv_utf8_lib=add-on],
3430 [cf_cv_utf8_lib=no])
3433 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3435 if test "$cf_cv_utf8_lib" = "add-on" ; then
3436 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3437 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3438 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3439 CF_ADD_LIBS($cf_cv_library_file_utf8)
3442 dnl ---------------------------------------------------------------------------
3443 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3445 dnl Use AC_VERBOSE w/o the warnings
3446 AC_DEFUN([CF_VERBOSE],
3447 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3450 dnl ---------------------------------------------------------------------------
3451 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3453 dnl Check for compiler-support for weak symbols.
3454 dnl This works with "recent" gcc.
3455 AC_DEFUN([CF_WEAK_SYMBOLS],[
3456 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3459 #include <stdio.h>],
3461 #if defined(__GNUC__)
3462 # if defined __USE_ISOC99
3463 # define _cat_pragma(exp) _Pragma(#exp)
3464 # define _weak_pragma(exp) _cat_pragma(weak name)
3466 # define _weak_pragma(exp)
3468 # define _declare(name) __extension__ extern __typeof__(name) name
3469 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3473 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3476 dnl ---------------------------------------------------------------------------
3477 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3478 dnl --------------------
3479 dnl Command-line option to specify the Ada95 compiler.
3480 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3481 AC_MSG_CHECKING(for ada-compiler)
3482 AC_ARG_WITH(ada-compiler,
3483 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3484 [cf_ada_compiler=$withval],
3485 [cf_ada_compiler=gnatmake])
3486 AC_SUBST(cf_ada_compiler)
3487 AC_MSG_RESULT($cf_ada_compiler)
3489 dnl ---------------------------------------------------------------------------
3490 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3491 dnl -------------------
3492 dnl Command-line option to specify where Ada includes will install.
3493 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3494 AC_MSG_CHECKING(for ada-include)
3495 CF_WITH_PATH(ada-include,
3496 [ --with-ada-include=DIR Ada includes are in DIR],
3498 PREFIX/share/ada/adainclude,
3499 [$]prefix/share/ada/adainclude)
3500 AC_SUBST(ADA_INCLUDE)
3501 AC_MSG_RESULT($ADA_INCLUDE)
3503 dnl ---------------------------------------------------------------------------
3504 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3505 dnl -------------------
3506 dnl Command-line option to specify where Ada objects will install.
3507 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3508 AC_MSG_CHECKING(for ada-objects)
3509 CF_WITH_PATH(ada-objects,
3510 [ --with-ada-objects=DIR Ada objects are in DIR],
3512 PREFIX/lib/ada/adalib,
3513 [$]prefix/lib/ada/adalib)
3514 AC_SUBST(ADA_OBJECTS)
3515 AC_MSG_RESULT($ADA_OBJECTS)
3517 dnl ---------------------------------------------------------------------------
3518 dnl CF_WITH_ADA_SHAREDLIB version: 2 updated: 2010/06/26 17:35:58
3519 dnl ---------------------
3520 dnl Command-line option to specify if an Ada95 shared-library should be built,
3521 dnl and optionally what its soname should be.
3522 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3523 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3524 AC_ARG_WITH(ada-sharedlib,
3525 [ --with-ada-sharedlib=XX build Ada95 shared-library],
3526 [with_ada_sharedlib=$withval],
3527 [with_ada_sharedlib=no])
3528 AC_MSG_RESULT($with_ada_sharedlib)
3530 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3531 MAKE_ADA_SHAREDLIB="#"
3533 if test "x$with_ada_sharedlib" != xno
3536 if test "x$with_ada_sharedlib" != xyes
3538 ADA_SHAREDLIB="$with_ada_sharedlib"
3542 AC_SUBST(ADA_SHAREDLIB)
3543 AC_SUBST(MAKE_ADA_SHAREDLIB)
3545 dnl ---------------------------------------------------------------------------
3546 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3547 dnl ------------------
3548 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3550 AC_DEFUN([CF_WITH_CURSES_DIR],[
3552 AC_MSG_CHECKING(for specific curses-directory)
3553 AC_ARG_WITH(curses-dir,
3554 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3555 [cf_cv_curses_dir=$withval],
3556 [cf_cv_curses_dir=no])
3557 AC_MSG_RESULT($cf_cv_curses_dir)
3559 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3561 CF_PATH_SYNTAX(withval)
3562 if test -d "$cf_cv_curses_dir"
3564 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3565 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3569 dnl ---------------------------------------------------------------------------
3570 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3571 dnl ------------------
3572 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3573 dnl "lib" prefix, e.g., because it used the dll naming convention.
3575 dnl $1 = variable to set
3576 AC_DEFUN([CF_WITH_LIB_PREFIX],
3578 AC_MSG_CHECKING(if you want to have a library-prefix)
3579 AC_ARG_WITH(lib-prefix,
3580 [ --with-lib-prefix override library-prefix],
3581 [with_lib_prefix=$withval],
3582 [with_lib_prefix=auto])
3583 AC_MSG_RESULT($with_lib_prefix)
3585 if test $with_lib_prefix = auto
3588 elif test $with_lib_prefix = no
3592 LIB_PREFIX=$with_lib_prefix
3595 dnl ---------------------------------------------------------------------------
3596 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3598 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3599 dnl defaulting to yes/no.
3601 dnl $1 = option name
3603 dnl $3 = environment variable to set
3604 dnl $4 = default value, shown in the help-message, must be a constant
3605 dnl $5 = default value, if it's an expression & cannot be in the help-message
3607 AC_DEFUN([CF_WITH_PATH],
3608 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3609 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3610 if ifelse([$5],,true,[test -n "$5"]) ; then
3611 CF_PATH_SYNTAX(withval)
3616 dnl ---------------------------------------------------------------------------
3617 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
3618 dnl -------------------------
3619 dnl Allow the choice of the pkg-config library directory to be overridden.
3620 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3621 if test "$PKG_CONFIG" != none ; then
3622 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3623 AC_ARG_WITH(pkg-config-libdir,
3624 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3625 [PKG_CONFIG_LIBDIR=$withval],
3626 [PKG_CONFIG_LIBDIR=yes])
3628 case x$PKG_CONFIG_LIBDIR in #(vi
3632 # look for the library directory using the same prefix as the executable
3633 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3634 case x`(arch) 2>/dev/null` in #(vi
3636 for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3638 if test -d $cf_config/pkgconfig
3640 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3646 PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3654 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3657 AC_SUBST(PKG_CONFIG_LIBDIR)
3659 dnl ---------------------------------------------------------------------------
3660 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3662 dnl Check for POSIX thread library.
3663 AC_DEFUN([CF_WITH_PTHREAD],
3665 AC_MSG_CHECKING(if you want to link with the pthread library)
3666 AC_ARG_WITH(pthread,
3667 [ --with-pthread use POSIX thread library],
3668 [with_pthread=$withval],
3670 AC_MSG_RESULT($with_pthread)
3672 if test "$with_pthread" != no ; then
3673 AC_CHECK_HEADER(pthread.h,[
3674 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3676 for cf_lib_pthread in pthread c_r
3678 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3679 cf_save_LIBS="$LIBS"
3680 CF_ADD_LIB($cf_lib_pthread)
3682 #include <pthread.h>
3684 int rc = pthread_create(0,0,0,0);
3685 int r2 = pthread_mutexattr_settype(0, 0);
3686 ],[with_pthread=yes],[with_pthread=no])
3687 LIBS="$cf_save_LIBS"
3688 AC_MSG_RESULT($with_pthread)
3689 test "$with_pthread" = yes && break
3692 if test "$with_pthread" = yes ; then
3693 CF_ADD_LIB($cf_lib_pthread)
3694 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3696 AC_MSG_ERROR(Cannot link with pthread library)
3701 dnl ---------------------------------------------------------------------------
3702 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3704 dnl For testing, override the derived host system-type which is used to decide
3705 dnl things such as the linker commands used to build shared libraries. This is
3706 dnl normally chosen automatically based on the type of system which you are
3707 dnl building on. We use it for testing the configure script.
3709 dnl This is different from the --host option: it is used only for testing parts
3710 dnl of the configure script which would not be reachable with --host since that
3711 dnl relies on the build environment being real, rather than mocked up.
3712 AC_DEFUN([CF_WITH_SYSTYPE],[
3713 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3714 AC_ARG_WITH(system-type,
3715 [ --with-system-type=XXX test: override derived host system-type],
3716 [AC_MSG_WARN(overriding system type to $withval)
3717 cf_cv_system_name=$withval
3721 dnl ---------------------------------------------------------------------------
3722 dnl CF_XOPEN_SOURCE version: 45 updated: 2013/09/07 14:06:25
3724 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3725 dnl or adapt to the vendor's definitions to get equivalent functionality,
3726 dnl without losing the common non-POSIX features.
3729 dnl $1 is the nominal value for _XOPEN_SOURCE
3730 dnl $2 is the nominal value for _POSIX_C_SOURCE
3731 AC_DEFUN([CF_XOPEN_SOURCE],[
3732 AC_REQUIRE([AC_CANONICAL_HOST])
3734 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3735 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3738 case $host_os in #(vi
3740 cf_xopen_source="-D_ALL_SOURCE"
3745 darwin[[0-8]].*) #(vi
3746 cf_xopen_source="-D_APPLE_C_SOURCE"
3749 cf_xopen_source="-D_DARWIN_C_SOURCE"
3752 freebsd*|dragonfly*) #(vi
3753 # 5.x headers associate
3754 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3755 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3756 cf_POSIX_C_SOURCE=200112L
3758 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3761 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3764 cf_xopen_source="-D_HPUX_SOURCE"
3767 cf_xopen_source="-D_SGI_SOURCE"
3770 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3774 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3776 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3779 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3781 openbsd[[4-9]]*) #(vi
3782 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3783 cf_xopen_source="-D_BSD_SOURCE"
3787 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3790 cf_xopen_source="-D_OSF_SOURCE"
3793 cf_xopen_source="-D_QNX_SOURCE"
3796 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3799 cf_xopen_source="-D__EXTENSIONS__"
3803 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3807 if test -n "$cf_xopen_source" ; then
3808 CF_ADD_CFLAGS($cf_xopen_source)
3811 dnl In anything but the default case, we may have system-specific setting
3812 dnl which is still not guaranteed to provide all of the entrypoints that
3813 dnl _XOPEN_SOURCE would yield.
3814 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3815 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3816 AC_TRY_COMPILE([#include <stdlib.h>],[
3817 #ifndef _XOPEN_SOURCE
3820 [cf_XOPEN_SOURCE_set=yes],
3821 [cf_XOPEN_SOURCE_set=no])
3822 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3823 if test $cf_XOPEN_SOURCE_set = yes
3825 AC_TRY_COMPILE([#include <stdlib.h>],[
3826 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3829 [cf_XOPEN_SOURCE_set_ok=yes],
3830 [cf_XOPEN_SOURCE_set_ok=no])
3831 if test $cf_XOPEN_SOURCE_set_ok = no
3833 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)