1 dnl***************************************************************************
2 dnl Copyright (c) 2010-2013,2014 Free Software Foundation, Inc. *
4 dnl Permission is hereby granted, free of charge, to any person obtaining a *
5 dnl copy of this software and associated documentation files (the *
6 dnl "Software"), to deal in the Software without restriction, including *
7 dnl without limitation the rights to use, copy, modify, merge, publish, *
8 dnl distribute, distribute with modifications, sublicense, and/or sell *
9 dnl copies of the Software, and to permit persons to whom the Software is *
10 dnl furnished to do so, subject to the following conditions: *
12 dnl The above copyright notice and this permission notice shall be included *
13 dnl in all copies or substantial portions of the Software. *
15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 dnl Except as contained in this notice, the name(s) of the above copyright *
24 dnl holders shall not be used in advertising or otherwise to promote the *
25 dnl sale, use or other dealings in this Software without prior written *
27 dnl***************************************************************************
29 dnl Author: Thomas E. Dickey
31 dnl $Id: aclocal.m4,v 1.94 2014/12/21 00:19:39 tom Exp $
32 dnl Macros used in NCURSES Ada95 auto-configuration script.
34 dnl These macros are maintained separately from NCURSES. The copyright on
35 dnl this file applies to the aggregation of macros and does not affect use of
36 dnl these macros in other applications.
38 dnl See http://invisible-island.net/autoconf/ for additional information.
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
43 dnl ------------------
44 dnl Conditionally generate script according to whether we're using a given autoconf.
46 dnl $1 = version to compare against
47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
48 dnl $3 = code to use if AC_ACVERSION is older than $1.
49 define([CF_ACVERSION_CHECK],
51 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
52 ifdef([m4_version_compare],
53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
54 [CF_ACVERSION_COMPARE(
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
57 dnl ---------------------------------------------------------------------------
58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
59 dnl --------------------
60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
61 dnl MAJOR2, MINOR2, TERNARY2,
62 dnl PRINTABLE2, not FOUND, FOUND)
63 define([CF_ACVERSION_COMPARE],
64 [ifelse(builtin([eval], [$2 < $5]), 1,
65 [ifelse([$8], , ,[$8])],
66 [ifelse([$9], , ,[$9])])])dnl
67 dnl ---------------------------------------------------------------------------
68 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
69 dnl -------------------
70 dnl Construct the list of include-options for the C programs in the Ada95
72 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
74 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
75 if test "$srcdir" != "."; then
76 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
78 if test "$GCC" != yes; then
79 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
80 elif test "$includedir" != "/usr/include"; then
81 if test "$includedir" = '${prefix}/include' ; then
82 if test x$prefix != x/usr ; then
83 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
86 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
91 dnl ---------------------------------------------------------------------------
92 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
94 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
95 AC_DEFUN([CF_ADD_ADAFLAGS],[
96 ADAFLAGS="$ADAFLAGS $1"
99 dnl ---------------------------------------------------------------------------
100 dnl CF_ADD_CFLAGS version: 11 updated: 2014/07/22 05:32:57
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 ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
125 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
126 && test -z "${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 ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
162 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
163 && test -z "${cf_tst_cflags}" \
164 && cf_fix_cppflags=no
169 if test -n "$cf_new_cflags" ; then
170 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
171 CFLAGS="$CFLAGS $cf_new_cflags"
174 if test -n "$cf_new_cppflags" ; then
175 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
176 CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
179 if test -n "$cf_new_extra_cppflags" ; then
180 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
181 EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
184 AC_SUBST(EXTRA_CPPFLAGS)
187 dnl ---------------------------------------------------------------------------
188 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
190 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
191 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
192 dnl but old versions (and some misinstalled ones) need that. To make things
193 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
194 dnl the include-path).
195 AC_DEFUN([CF_ADD_INCDIR],
197 if test -n "$1" ; then
198 for cf_add_incdir in $1
200 while test $cf_add_incdir != /usr/include
202 if test -d $cf_add_incdir
205 if test -n "$CFLAGS$CPPFLAGS" ; then
206 # a loop is needed to ensure we can add subdirs of existing dirs
207 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
208 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
209 cf_have_incdir=yes; break
214 if test "$cf_have_incdir" = no ; then
215 if test "$cf_add_incdir" = /usr/local/include ; then
218 cf_save_CPPFLAGS=$CPPFLAGS
219 CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
220 AC_TRY_COMPILE([#include <stdio.h>],
223 [cf_have_incdir=yes])
224 CPPFLAGS=$cf_save_CPPFLAGS
229 if test "$cf_have_incdir" = no ; then
230 CF_VERBOSE(adding $cf_add_incdir to include-path)
231 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
233 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
234 test "$cf_top_incdir" = "$cf_add_incdir" && break
235 cf_add_incdir="$cf_top_incdir"
244 dnl ---------------------------------------------------------------------------
245 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
247 dnl Add a library, used to enforce consistency.
249 dnl $1 = library to add, without the "-l"
250 dnl $2 = variable to update (default $LIBS)
251 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
252 dnl ---------------------------------------------------------------------------
253 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
255 dnl Adds to the library-path
257 dnl Some machines have trouble with multiple -L options.
259 dnl $1 is the (list of) directory(s) to add
260 dnl $2 is the optional name of the variable to update (default LDFLAGS)
262 AC_DEFUN([CF_ADD_LIBDIR],
264 if test -n "$1" ; then
265 for cf_add_libdir in $1
267 if test $cf_add_libdir = /usr/lib ; then
269 elif test -d $cf_add_libdir
272 if test -n "$LDFLAGS$LIBS" ; then
273 # a loop is needed to ensure we can add subdirs of existing dirs
274 for cf_test_libdir in $LDFLAGS $LIBS ; do
275 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
276 cf_have_libdir=yes; break
280 if test "$cf_have_libdir" = no ; then
281 CF_VERBOSE(adding $cf_add_libdir to library-path)
282 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
288 dnl ---------------------------------------------------------------------------
289 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
291 dnl Add one or more libraries, used to enforce consistency. Libraries are
292 dnl prepended to an existing list, since their dependencies are assumed to
293 dnl already exist in the list.
295 dnl $1 = libraries to add, with the "-l", etc.
296 dnl $2 = variable to update (default $LIBS)
297 AC_DEFUN([CF_ADD_LIBS],[
299 # Filter out duplicates - this happens with badly-designed ".pc" files...
300 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
302 for cf_add_2lib in $cf_add_libs
304 if test "x$cf_add_1lib" = "x$cf_add_2lib"
310 test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
312 ifelse($2,,LIBS,[$2])="$cf_add_libs"
314 dnl ---------------------------------------------------------------------------
315 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
316 dnl ------------------
317 dnl Append to a search-list for a nonstandard header/lib-file
318 dnl $1 = the variable to return as result
319 dnl $2 = the package name
320 dnl $3 = the subdirectory, e.g., bin, include or lib
321 dnl $4 = the directory under which we will test for subdirectories
322 dnl $5 = a directory that we do not want $4 to match
323 AC_DEFUN([CF_ADD_SUBDIR_PATH],
325 test "x$4" != "x$5" && \
327 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
328 test -n "$verbose" && echo " ... testing for $3-directories under $4"
329 test -d $4/$3 && $1="[$]$1 $4/$3"
330 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
331 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
332 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
333 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
336 dnl ---------------------------------------------------------------------------
337 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
339 dnl Allow user to disable a normally-on option.
340 AC_DEFUN([CF_ARG_DISABLE],
341 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
342 dnl ---------------------------------------------------------------------------
343 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
345 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
351 dnl $3 = action to perform if option is not default
352 dnl $4 = action if perform if option is default
353 dnl $5 = default option value (either 'yes' or 'no')
354 AC_DEFUN([CF_ARG_OPTION],
355 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
356 if test "$enableval" != "$5" ; then
358 ,[ $3]) ifelse([$4],,,[
361 fi],[enableval=$5 ifelse([$4],,,[
365 dnl ---------------------------------------------------------------------------
366 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
368 dnl Check for suitable "ar" (archiver) options for updating an archive.
369 AC_DEFUN([CF_AR_FLAGS],[
370 AC_REQUIRE([CF_PROG_AR])
372 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
373 cf_cv_ar_flags=unknown
374 for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
377 # check if $ARFLAGS already contains this choice
378 if test "x$ARFLAGS" != "x" ; then
379 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
380 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
386 rm -f conftest.$ac_cv_objext
389 cat >conftest.$ac_ext <<EOF
390 #line __oline__ "configure"
391 int testdata[[3]] = { 123, 456, 789 };
393 if AC_TRY_EVAL(ac_compile) ; then
394 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
395 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
396 if test -f conftest.a ; then
397 cf_cv_ar_flags=$cf_ar_flags
401 CF_VERBOSE(cannot compile test-program)
405 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
408 if test -n "$ARFLAGS" ; then
409 if test -n "$cf_cv_ar_flags" ; then
410 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
413 ARFLAGS=$cf_cv_ar_flags
418 dnl ---------------------------------------------------------------------------
419 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
421 dnl If we're cross-compiling, allow the user to override the tools and their
422 dnl options. The configure script is oriented toward identifying the host
423 dnl compiler, etc., but we need a build compiler to generate parts of the
426 dnl $1 = default for $CPPFLAGS
427 dnl $2 = default for $LIBS
428 AC_DEFUN([CF_BUILD_CC],[
429 CF_ACVERSION_CHECK(2.52,,
430 [AC_REQUIRE([CF_PROG_EXT])])
431 if test "$cross_compiling" = yes ; then
433 # defaults that we might want to override
434 : ${BUILD_CFLAGS:=''}
435 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
436 : ${BUILD_LDFLAGS:=''}
437 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
438 : ${BUILD_EXEEXT:='$x'}
439 : ${BUILD_OBJEXT:='o'}
441 AC_ARG_WITH(build-cc,
442 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
443 [BUILD_CC="$withval"],
444 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
445 AC_MSG_CHECKING(for native build C compiler)
446 AC_MSG_RESULT($BUILD_CC)
448 AC_MSG_CHECKING(for native build C preprocessor)
449 AC_ARG_WITH(build-cpp,
450 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
451 [BUILD_CPP="$withval"],
452 [BUILD_CPP='${BUILD_CC} -E'])
453 AC_MSG_RESULT($BUILD_CPP)
455 AC_MSG_CHECKING(for native build C flags)
456 AC_ARG_WITH(build-cflags,
457 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
458 [BUILD_CFLAGS="$withval"])
459 AC_MSG_RESULT($BUILD_CFLAGS)
461 AC_MSG_CHECKING(for native build C preprocessor-flags)
462 AC_ARG_WITH(build-cppflags,
463 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
464 [BUILD_CPPFLAGS="$withval"])
465 AC_MSG_RESULT($BUILD_CPPFLAGS)
467 AC_MSG_CHECKING(for native build linker-flags)
468 AC_ARG_WITH(build-ldflags,
469 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
470 [BUILD_LDFLAGS="$withval"])
471 AC_MSG_RESULT($BUILD_LDFLAGS)
473 AC_MSG_CHECKING(for native build linker-libraries)
474 AC_ARG_WITH(build-libs,
475 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
476 [BUILD_LIBS="$withval"])
477 AC_MSG_RESULT($BUILD_LIBS)
479 # this assumes we're on Unix.
483 : ${BUILD_CC:='${CC}'}
485 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
486 AC_MSG_ERROR([Cross-build requires two compilers.
487 Use --with-build-cc to specify the native compiler.])
491 : ${BUILD_CC:='${CC}'}
492 : ${BUILD_CPP:='${CPP}'}
493 : ${BUILD_CFLAGS:='${CFLAGS}'}
494 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
495 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
496 : ${BUILD_LIBS:='${LIBS}'}
497 : ${BUILD_EXEEXT:='$x'}
498 : ${BUILD_OBJEXT:='o'}
503 AC_SUBST(BUILD_CFLAGS)
504 AC_SUBST(BUILD_CPPFLAGS)
505 AC_SUBST(BUILD_LDFLAGS)
507 AC_SUBST(BUILD_EXEEXT)
508 AC_SUBST(BUILD_OBJEXT)
510 dnl ---------------------------------------------------------------------------
511 dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
513 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
514 dnl into CC. This will not help with broken scripts that wrap the compiler with
515 dnl options, but eliminates a more common category of user confusion.
516 AC_DEFUN([CF_CC_ENV_FLAGS],
518 # This should have been defined by AC_PROG_CC
521 AC_MSG_CHECKING(\$CC variable)
524 AC_MSG_RESULT(broken)
525 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
527 cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'`
528 CC=`echo "$CC" | sed -e 's/[[ ]].*//'`
529 CF_ADD_CFLAGS($cf_flags)
536 dnl ---------------------------------------------------------------------------
537 dnl CF_CFG_DEFAULTS version: 10 updated: 2013/09/07 13:54:05
539 dnl Determine the default configuration into which we'll install ncurses. This
540 dnl can be overridden by the user's command-line options. There's two items to
542 dnl 1. the prefix (e.g., /usr)
543 dnl 2. the header files (e.g., /usr/include/ncurses)
544 dnl We'll look for a previous installation of ncurses and use the same defaults.
546 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
547 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
548 dnl programs from a vendor's.
549 AC_DEFUN([CF_CFG_DEFAULTS],
551 AC_MSG_CHECKING(for prefix)
552 if test "x$prefix" = "xNONE" ; then
553 case "$cf_cv_system_name" in
554 # non-vendor systems don't have a conflict
555 openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
558 *) prefix=$ac_default_prefix
562 AC_MSG_RESULT($prefix)
564 if test "x$prefix" = "xNONE" ; then
565 AC_MSG_CHECKING(for default include-directory)
566 test -n "$verbose" && echo 1>&AC_FD_MSG
569 $includedir/ncurses \
571 $prefix/include/ncurses \
573 /usr/local/include/ncurses \
577 cf_dir=`eval echo $cf_symbol`
578 if test -f $cf_dir/curses.h ; then
579 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
580 includedir="$cf_symbol"
581 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
585 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
587 AC_MSG_RESULT($includedir)
590 dnl ---------------------------------------------------------------------------
591 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
593 dnl Check if we're accidentally using a cache from a different machine.
594 dnl Derive the system name, as a check for reusing the autoconf cache.
596 dnl If we've packaged config.guess and config.sub, run that (since it does a
597 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
598 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
599 dnl which is useful in cross-compiles.
601 dnl Note: we would use $ac_config_sub, but that is one of the places where
602 dnl autoconf 2.5x broke compatibility with autoconf 2.13
603 AC_DEFUN([CF_CHECK_CACHE],
605 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
606 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
607 system_name="$host_os"
609 system_name="`(uname -s -r) 2>/dev/null`"
610 if test -z "$system_name" ; then
611 system_name="`(hostname) 2>/dev/null`"
614 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
615 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
617 test -z "$system_name" && system_name="$cf_cv_system_name"
618 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
620 if test ".$system_name" != ".$cf_cv_system_name" ; then
621 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
622 AC_MSG_ERROR("Please remove config.cache and try again.")
625 dnl ---------------------------------------------------------------------------
626 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
627 dnl -----------------
628 dnl Check if the given compiler is really clang. clang's C driver defines
629 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
630 dnl not ignore some gcc options.
632 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
633 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
634 dnl the wrappers for gcc and g++ warnings.
636 dnl $1 = GCC (default) or GXX
637 dnl $2 = CLANG_COMPILER (default)
638 dnl $3 = CFLAGS (default) or CXXFLAGS
639 AC_DEFUN([CF_CLANG_COMPILER],[
640 ifelse([$2],,CLANG_COMPILER,[$2])=no
642 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
643 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
644 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
645 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
651 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
652 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
654 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
655 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
658 dnl ---------------------------------------------------------------------------
659 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
661 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
662 dnl variations of ncurses' installs.
664 dnl $1 = ncurses when looking for ncurses, or is empty
665 AC_DEFUN([CF_CURSES_HEADER],[
666 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
667 cf_cv_ncurses_header=none
668 for cf_header in ifelse($1,,,[ \
672 curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
674 AC_TRY_COMPILE([#include <${cf_header}>],
675 [initscr(); tgoto("?", 0,0)],
676 [cf_cv_ncurses_header=$cf_header; break],[])
680 if test "$cf_cv_ncurses_header" = none ; then
681 AC_MSG_ERROR(No curses header-files found)
684 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
685 AC_CHECK_HEADERS($cf_cv_ncurses_header)
687 dnl ---------------------------------------------------------------------------
688 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
690 dnl "dirname" is not portable, so we fake it with a shell script.
691 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
692 dnl ---------------------------------------------------------------------------
693 dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
695 dnl You can always use "make -n" to see the actual options, but it's hard to
696 dnl pick out/analyze warning messages when the compile-line is long.
699 dnl ECHO_LT - symbol to control if libtool is verbose
700 dnl ECHO_LD - symbol to prefix "cc -o" lines
701 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
702 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
703 dnl ECHO_CC - symbol to put before any "cc" line
705 AC_DEFUN([CF_DISABLE_ECHO],[
706 AC_MSG_CHECKING(if you want to see long compiling messages)
708 [ --disable-echo do not display "compiling" commands],
711 ECHO_LD='@echo linking [$]@;'
712 RULE_CC='@echo compiling [$]<'
713 SHOW_CC='@echo compiling [$]@'
722 AC_MSG_RESULT($enableval)
729 dnl ---------------------------------------------------------------------------
730 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
731 dnl ------------------------
732 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
733 AC_MSG_CHECKING(if we want to use GNAT projects)
734 CF_ARG_DISABLE(gnat-projects,
735 [ --disable-gnat-projects test: disable GNAT projects even if usable],
736 [enable_gnat_projects=no],
737 [enable_gnat_projects=yes])
738 AC_MSG_RESULT($enable_gnat_projects)
740 dnl ---------------------------------------------------------------------------
741 dnl CF_ENABLE_PC_FILES version: 10 updated: 2014/12/13 18:48:46
742 dnl ------------------
743 dnl This is the "--enable-pc-files" option, which is available if there is a
744 dnl pkg-config configuration on the local machine.
745 AC_DEFUN([CF_ENABLE_PC_FILES],[
746 AC_REQUIRE([CF_PKG_CONFIG])
747 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
749 if test "x$PKG_CONFIG" != xnone
751 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
753 AC_MSG_CHECKING(if we should install .pc files)
756 AC_ARG_ENABLE(pc-files,
757 [ --enable-pc-files generate and install .pc files for pkg-config],
758 [enable_pc_files=$enableval],
759 [enable_pc_files=no])
760 AC_MSG_RESULT($enable_pc_files)
761 if test "x$enable_pc_files" != xno
763 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
768 AC_SUBST(MAKE_PC_FILES)
770 dnl ---------------------------------------------------------------------------
771 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
773 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
774 dnl prefer a standard location, and use -L options only if we do not find the
775 dnl library in the standard library location(s).
776 dnl $1 = library name
777 dnl $2 = library class, usually the same as library name
779 dnl $4 = code fragment to compile/link
780 dnl $5 = corresponding function-name
781 dnl $6 = flag, nonnull if failure should not cause an error-exit
783 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
784 dnl to use a -L option.
785 AC_DEFUN([CF_FIND_LIBRARY],
787 eval 'cf_cv_have_lib_'$1'=no'
790 eval 'cf_cv_have_lib_'$1'=yes',[
792 AC_MSG_CHECKING(for $5 in -l$1)
794 AC_TRY_LINK([$3],[$4],
796 eval 'cf_cv_have_lib_'$1'=yes'
799 CF_LIBRARY_PATH(cf_search,$2)
800 for cf_libdir in $cf_search
802 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
803 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
804 AC_TRY_LINK([$3],[$4],
806 eval 'cf_cv_have_lib_'$1'=yes'
809 LIBS="$cf_save_LIBS"])
813 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
815 if test $cf_found_library = no ; then
816 AC_MSG_ERROR(Cannot link $1 library)
820 dnl ---------------------------------------------------------------------------
821 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
823 dnl Find a library (specifically the linkage used in the code fragment),
824 dnl searching for it if it is not already in the library path.
825 dnl See also CF_ADD_SEARCHPATH.
827 dnl Parameters (4-on are optional):
828 dnl $1 = headers for library entrypoint
829 dnl $2 = code fragment for library entrypoint
830 dnl $3 = the library name without the "-l" option or ".so" suffix.
831 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
832 dnl $5 = action to perform if not successful
833 dnl $6 = module name, if not the same as the library name
834 dnl $7 = extra libraries
836 dnl Sets these variables:
837 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
838 dnl $cf_cv_header_path_$3 - include-directory if needed
839 dnl $cf_cv_library_path_$3 - library-directory if needed
840 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
841 AC_DEFUN([CF_FIND_LINKAGE],[
843 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
844 # will be set on completion of the AC_TRY_LINK below.
845 cf_cv_header_path_$3=
846 cf_cv_library_path_$3=
848 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
852 AC_TRY_LINK([$1],[$2],[
853 cf_cv_find_linkage_$3=yes
854 cf_cv_header_path_$3=/usr/include
855 cf_cv_library_path_$3=/usr/lib
858 LIBS="-l$3 $7 $cf_save_LIBS"
860 AC_TRY_LINK([$1],[$2],[
861 cf_cv_find_linkage_$3=yes
862 cf_cv_header_path_$3=/usr/include
863 cf_cv_library_path_$3=/usr/lib
864 cf_cv_library_file_$3="-l$3"
866 cf_cv_find_linkage_$3=no
869 CF_VERBOSE(find linkage for $3 library)
870 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
872 cf_save_CPPFLAGS="$CPPFLAGS"
873 cf_test_CPPFLAGS="$CPPFLAGS"
875 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
876 for cf_cv_header_path_$3 in $cf_search
878 if test -d $cf_cv_header_path_$3 ; then
879 CF_VERBOSE(... testing $cf_cv_header_path_$3)
880 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
881 AC_TRY_COMPILE([$1],[$2],[
882 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
883 cf_cv_find_linkage_$3=maybe
884 cf_test_CPPFLAGS="$CPPFLAGS"
886 CPPFLAGS="$cf_save_CPPFLAGS"
891 if test "$cf_cv_find_linkage_$3" = maybe ; then
893 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
896 cf_save_LDFLAGS="$LDFLAGS"
899 CPPFLAGS="$cf_test_CPPFLAGS"
900 LIBS="-l$3 $7 $cf_save_LIBS"
901 AC_TRY_LINK([$1],[$2],[
902 CF_VERBOSE(... found $3 library in system)
903 cf_cv_find_linkage_$3=yes])
904 CPPFLAGS="$cf_save_CPPFLAGS"
908 if test "$cf_cv_find_linkage_$3" != yes ; then
909 CF_LIBRARY_PATH(cf_search,$3)
910 for cf_cv_library_path_$3 in $cf_search
912 if test -d $cf_cv_library_path_$3 ; then
913 CF_VERBOSE(... testing $cf_cv_library_path_$3)
914 CPPFLAGS="$cf_test_CPPFLAGS"
915 LIBS="-l$3 $7 $cf_save_LIBS"
916 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
917 AC_TRY_LINK([$1],[$2],[
918 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
919 cf_cv_find_linkage_$3=yes
920 cf_cv_library_file_$3="-l$3"
922 CPPFLAGS="$cf_save_CPPFLAGS"
924 LDFLAGS="$cf_save_LDFLAGS"
928 CPPFLAGS="$cf_save_CPPFLAGS"
929 LDFLAGS="$cf_save_LDFLAGS"
933 cf_cv_find_linkage_$3=no
940 if test "$cf_cv_find_linkage_$3" = yes ; then
942 CF_ADD_INCDIR($cf_cv_header_path_$3)
943 CF_ADD_LIBDIR($cf_cv_library_path_$3)
947 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
950 dnl ---------------------------------------------------------------------------
951 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
952 dnl -----------------
953 dnl make ADAFLAGS consistent with CFLAGS
954 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
955 AC_MSG_CHECKING(optimization options for ADAFLAGS)
963 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
964 CF_ADD_ADAFLAGS($cf_O_flag)
967 AC_MSG_RESULT($ADAFLAGS)
969 dnl ---------------------------------------------------------------------------
970 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
971 dnl -----------------
972 dnl Test for availability of useful gcc __attribute__ directives to quiet
973 dnl compiler warnings. Though useful, not all are supported -- and contrary
974 dnl to documentation, unrecognized directives cause older compilers to barf.
975 AC_DEFUN([CF_GCC_ATTRIBUTES],
979 cat > conftest.i <<EOF
987 #define GCC_NORETURN /* nothing */
990 #define GCC_UNUSED /* nothing */
995 AC_CHECKING([for $CC __attribute__ directives])
996 cat > conftest.$ac_ext <<EOF
997 #line __oline__ "${as_me:-configure}"
998 #include "confdefs.h"
999 #include "conftest.h"
1000 #include "conftest.i"
1002 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1004 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1007 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1009 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1011 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1012 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1013 extern void foo(void) GCC_NORETURN;
1014 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1016 cf_printf_attribute=no
1017 cf_scanf_attribute=no
1018 for cf_attribute in scanf printf unused noreturn
1020 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1021 cf_directive="__attribute__(($cf_attribute))"
1022 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1024 case $cf_attribute in #(vi
1026 cf_printf_attribute=yes
1027 cat >conftest.h <<EOF
1028 #define GCC_$cf_ATTRIBUTE 1
1032 cf_scanf_attribute=yes
1033 cat >conftest.h <<EOF
1034 #define GCC_$cf_ATTRIBUTE 1
1038 cat >conftest.h <<EOF
1039 #define GCC_$cf_ATTRIBUTE $cf_directive
1044 if AC_TRY_EVAL(ac_compile); then
1045 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1046 cat conftest.h >>confdefs.h
1047 case $cf_attribute in #(vi
1049 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1052 cf_value='/* nothing */'
1053 if test "$cf_printf_attribute" != no ; then
1054 cf_value='__attribute__((format(printf,fmt,var)))'
1055 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1057 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1060 cf_value='/* nothing */'
1061 if test "$cf_scanf_attribute" != no ; then
1062 cf_value='__attribute__((format(scanf,fmt,var)))'
1063 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1065 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1068 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1074 fgrep define conftest.i >>confdefs.h
1079 dnl ---------------------------------------------------------------------------
1080 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1082 dnl Find version of gcc
1083 AC_DEFUN([CF_GCC_VERSION],[
1084 AC_REQUIRE([AC_PROG_CC])
1086 if test "$GCC" = yes ; then
1087 AC_MSG_CHECKING(version of $CC)
1088 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1089 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1090 AC_MSG_RESULT($GCC_VERSION)
1093 dnl ---------------------------------------------------------------------------
1094 dnl CF_GCC_WARNINGS version: 31 updated: 2013/11/19 19:23:35
1096 dnl Check if the compiler supports useful warning options. There's a few that
1097 dnl we don't use, simply because they're too noisy:
1099 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1100 dnl -Wredundant-decls (system headers make this too noisy)
1101 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1102 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1103 dnl is enabled for ncurses using "--enable-const".
1107 dnl $1 is an optional list of gcc warning flags that a particular
1108 dnl application might want to use, e.g., "no-unused" for
1111 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1113 AC_DEFUN([CF_GCC_WARNINGS],
1115 AC_REQUIRE([CF_GCC_VERSION])
1116 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1117 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1119 cat > conftest.$ac_ext <<EOF
1120 #line __oline__ "${as_me:-configure}"
1121 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1124 if test "$INTEL_COMPILER" = yes
1126 # The "-wdXXX" options suppress warnings:
1127 # remark #1419: external declaration in primary source file
1128 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1129 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1130 # remark #193: zero used for undefined preprocessing identifier
1131 # remark #593: variable "curs_sb_left_arrow" was set but never used
1132 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1133 # remark #869: parameter "tw" was never referenced
1134 # remark #981: operands are evaluated in unspecified order
1135 # warning #279: controlling expression is constant
1137 AC_CHECKING([for $CC warning options])
1138 cf_save_CFLAGS="$CFLAGS"
1139 EXTRA_CFLAGS="-Wall"
1151 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1152 if AC_TRY_EVAL(ac_compile); then
1153 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1154 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1157 CFLAGS="$cf_save_CFLAGS"
1159 elif test "$GCC" = yes
1161 AC_CHECKING([for $CC warning options])
1162 cf_save_CFLAGS="$CFLAGS"
1165 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1166 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1167 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1168 for cf_opt in W Wall \
1169 Wbad-function-cast \
1172 Wdeclaration-after-statement \
1175 Wmissing-declarations \
1176 Wmissing-prototypes \
1180 Wstrict-prototypes \
1181 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1183 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1184 if AC_TRY_EVAL(ac_compile); then
1185 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1186 case $cf_opt in #(vi
1188 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1191 case $GCC_VERSION in
1193 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1197 Wpointer-arith) #(vi
1198 case $GCC_VERSION in
1200 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1205 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1208 CFLAGS="$cf_save_CFLAGS"
1212 AC_SUBST(EXTRA_CFLAGS)
1214 dnl ---------------------------------------------------------------------------
1215 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1216 dnl -----------------
1217 AC_DEFUN([CF_GNATPREP_OPT_T],[
1218 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1219 cf_cv_gnatprep_opt_t=no
1220 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1222 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1223 AC_SUBST(GNATPREP_OPTS)
1225 dnl ---------------------------------------------------------------------------
1226 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1227 dnl ----------------
1228 AC_DEFUN([CF_GNAT_GENERICS],
1230 AC_REQUIRE([CF_GNAT_VERSION])
1232 AC_MSG_CHECKING(if GNAT supports generics)
1233 case $cf_gnat_version in #(vi
1234 3.[[1-9]]*|[[4-9]].*) #(vi
1235 cf_gnat_generics=yes
1241 AC_MSG_RESULT($cf_gnat_generics)
1243 if test "$cf_gnat_generics" = yes
1245 cf_compile_generics=generics
1246 cf_generic_objects="\${GENOBJS}"
1248 cf_compile_generics=
1252 AC_SUBST(cf_compile_generics)
1253 AC_SUBST(cf_generic_objects)
1255 dnl ---------------------------------------------------------------------------
1256 dnl CF_GNAT_PROJECTS version: 7 updated: 2014/06/01 10:46:34
1257 dnl ----------------
1258 dnl GNAT projects are configured with ".gpr" project files.
1259 dnl GNAT libraries are a further development, using the project feature.
1260 AC_DEFUN([CF_GNAT_PROJECTS],
1262 AC_REQUIRE([CF_GNAT_VERSION])
1263 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1265 cf_gnat_libraries=no
1268 if test "$enable_gnat_projects" != no ; then
1269 AC_MSG_CHECKING(if GNAT supports project files)
1270 case $cf_gnat_version in #(vi
1274 case $cf_cv_system_name in #(vi
1278 mkdir conftest.src conftest.bin conftest.lib
1280 rm -rf conftest* *~conftest*
1281 cat >>library.gpr <<CF_EOF
1283 Kind := External ("LIB_KIND");
1284 for Library_Name use "ConfTest";
1285 for Object_Dir use ".";
1286 for Library_ALI_Dir use External("LIBRARY_DIR");
1287 for Library_Version use External ("SONAME");
1288 for Library_Kind use Kind;
1289 for Library_Dir use External("BUILD_DIR");
1290 Source_Dir := External ("SOURCE_DIR");
1291 for Source_Dirs use (Source_Dir);
1294 cat >>confpackage.ads <<CF_EOF
1295 package ConfPackage is
1299 cat >>confpackage.adb <<CF_EOF
1301 package body ConfPackage is
1302 procedure conftest is
1304 Text_IO.Put ("Hello World");
1309 if ( $cf_ada_make $ADAFLAGS \
1311 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1312 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1313 -XSOURCE_DIR=`pwd` \
1314 -XSONAME=libConfTest.so.1 \
1315 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1316 cf_gnat_projects=yes
1319 if test -f conftest.lib/confpackage.ali
1321 cf_gnat_libraries=yes
1323 rm -rf conftest* *~conftest*
1328 AC_MSG_RESULT($cf_gnat_projects)
1329 fi # enable_gnat_projects
1331 if test $cf_gnat_projects = yes
1333 AC_MSG_CHECKING(if GNAT supports libraries)
1334 AC_MSG_RESULT($cf_gnat_libraries)
1337 if test "$cf_gnat_projects" = yes
1339 USE_OLD_MAKERULES="#"
1340 USE_GNAT_PROJECTS=""
1342 USE_OLD_MAKERULES=""
1343 USE_GNAT_PROJECTS="#"
1346 if test "$cf_gnat_libraries" = yes
1348 USE_GNAT_LIBRARIES=""
1350 USE_GNAT_LIBRARIES="#"
1353 AC_SUBST(USE_OLD_MAKERULES)
1354 AC_SUBST(USE_GNAT_PROJECTS)
1355 AC_SUBST(USE_GNAT_LIBRARIES)
1357 dnl ---------------------------------------------------------------------------
1358 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1360 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1361 dnl is noted that gnat may compile a tasking unit even for configurations which
1362 dnl fail at runtime.
1363 AC_DEFUN([CF_GNAT_SIGINT],[
1364 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1365 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1369 pragma Warnings (Off); -- the next pragma exists since 3.11p
1370 pragma Unreserve_All_Interrupts;
1371 pragma Warnings (On);
1373 protected Process is
1375 function Continue return Boolean;
1376 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1378 Done : Boolean := False;
1382 [package body ConfTest is
1383 protected body Process is
1388 function Continue return Boolean is
1394 [cf_cv_gnat_sigint=yes],
1395 [cf_cv_gnat_sigint=no])])
1397 if test $cf_cv_gnat_sigint = yes ; then
1402 AC_SUBST(USE_GNAT_SIGINT)
1404 dnl ---------------------------------------------------------------------------
1405 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1406 dnl ----------------
1407 dnl Verify that a test program compiles/links with GNAT.
1408 dnl $cf_ada_make is set to the program that compiles/links
1409 dnl $ADAFLAGS may be set to the GNAT flags.
1411 dnl $1 is the text of the spec
1412 dnl $2 is the text of the body
1413 dnl $3 is the shell command to execute if successful
1414 dnl $4 is the shell command to execute if not successful
1415 AC_DEFUN([CF_GNAT_TRY_LINK],
1417 rm -rf conftest* *~conftest*
1418 cat >>conftest.ads <<CF_EOF
1421 cat >>conftest.adb <<CF_EOF
1424 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1425 ifelse($3,, :,[ $3])
1429 rm -rf conftest* *~conftest*
1431 dnl ---------------------------------------------------------------------------
1432 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1434 dnl Verify that a test program compiles and runs with GNAT
1435 dnl $cf_ada_make is set to the program that compiles/links
1436 dnl $ADAFLAGS may be set to the GNAT flags.
1438 dnl $1 is the text of the spec
1439 dnl $2 is the text of the body
1440 dnl $3 is the shell command to execute if successful
1441 dnl $4 is the shell command to execute if not successful
1442 AC_DEFUN([CF_GNAT_TRY_RUN],
1444 rm -rf conftest* *~conftest*
1445 cat >>conftest.ads <<CF_EOF
1448 cat >>conftest.adb <<CF_EOF
1451 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1452 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1453 ifelse($3,, :,[ $3])
1460 rm -rf conftest* *~conftest*
1462 dnl ---------------------------------------------------------------------------
1463 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
1465 dnl Verify version of GNAT.
1466 AC_DEFUN([CF_GNAT_VERSION],
1468 AC_MSG_CHECKING(for gnat version)
1469 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1470 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1471 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1472 AC_MSG_RESULT($cf_gnat_version)
1474 case $cf_gnat_version in #(vi
1475 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
1476 cf_cv_prog_gnat_correct=yes
1479 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1480 cf_cv_prog_gnat_correct=no
1484 dnl ---------------------------------------------------------------------------
1485 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1487 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1488 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1489 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1490 dnl since it is interwoven with GNU extensions.
1492 dnl Well, yes we could work around it...
1493 AC_DEFUN([CF_GNU_SOURCE],
1495 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1496 AC_TRY_COMPILE([#include <sys/types.h>],[
1497 #ifndef _XOPEN_SOURCE
1500 [cf_cv_gnu_source=no],
1501 [cf_save="$CPPFLAGS"
1502 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1503 AC_TRY_COMPILE([#include <sys/types.h>],[
1504 #ifdef _XOPEN_SOURCE
1507 [cf_cv_gnu_source=no],
1508 [cf_cv_gnu_source=yes])
1512 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1514 dnl ---------------------------------------------------------------------------
1515 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1517 dnl Construct a search-list of directories for a nonstandard header-file
1520 dnl $1 = the variable to return as result
1521 dnl $2 = the package name
1522 AC_DEFUN([CF_HEADER_PATH],
1526 # collect the current set of include-directories from compiler flags
1527 cf_header_path_list=""
1528 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1529 for cf_header_path in $CPPFLAGS $CFLAGS
1531 case $cf_header_path in #(vi
1533 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1534 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1535 cf_header_path_list="$cf_header_path_list [$]$1"
1541 # add the variations for the package we are looking for
1542 CF_SUBDIR_PATH($1,$2,include)
1544 test "$includedir" != NONE && \
1545 test "$includedir" != "/usr/include" && \
1546 test -d "$includedir" && {
1547 test -d $includedir && $1="[$]$1 $includedir"
1548 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1551 test "$oldincludedir" != NONE && \
1552 test "$oldincludedir" != "/usr/include" && \
1553 test -d "$oldincludedir" && {
1554 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1555 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1558 $1="[$]$1 $cf_header_path_list"
1560 dnl ---------------------------------------------------------------------------
1561 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1563 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1564 AC_DEFUN([CF_HELP_MESSAGE],
1565 [AC_DIVERT_HELP([$1])dnl
1567 dnl ---------------------------------------------------------------------------
1568 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1570 dnl Construct the list of include-options according to whether we're building
1571 dnl in the source directory or using '--srcdir=DIR' option.
1572 AC_DEFUN([CF_INCLUDE_DIRS],
1574 if test "$srcdir" != "."; then
1575 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1577 CPPFLAGS="-I../include $CPPFLAGS"
1578 if test "$srcdir" != "."; then
1579 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1581 CPPFLAGS="-I. $CPPFLAGS"
1584 dnl ---------------------------------------------------------------------------
1585 dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
1586 dnl -----------------
1587 dnl Check if the given compiler is really the Intel compiler for Linux. It
1588 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1589 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1591 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1592 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1593 dnl the wrappers for gcc and g++ warnings.
1595 dnl $1 = GCC (default) or GXX
1596 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1597 dnl $3 = CFLAGS (default) or CXXFLAGS
1598 AC_DEFUN([CF_INTEL_COMPILER],[
1599 AC_REQUIRE([AC_CANONICAL_HOST])
1600 ifelse([$2],,INTEL_COMPILER,[$2])=no
1602 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1605 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1606 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1607 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1609 #ifdef __INTEL_COMPILER
1613 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1614 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1616 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1617 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1622 dnl ---------------------------------------------------------------------------
1623 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1625 dnl Add checks for large file support.
1626 AC_DEFUN([CF_LARGEFILE],[
1627 ifdef([AC_FUNC_FSEEKO],[
1629 if test "$enable_largefile" != no ; then
1632 # Normally we would collect these definitions in the config.h,
1633 # but (like _XOPEN_SOURCE), some environments rely on having these
1634 # defined before any of the system headers are included. Another
1635 # case comes up with C++, e.g., on AIX the compiler compiles the
1636 # header files by themselves before looking at the body files it is
1637 # told to compile. For ncurses, those header files do not include
1639 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1640 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1641 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1643 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1645 #include <sys/types.h>
1648 /* if transitional largefile support is setup, this is true */
1649 extern struct dirent64 * readdir(DIR *);
1650 struct dirent64 *x = readdir((DIR *)0);
1651 struct dirent *y = readdir((DIR *)0);
1654 [cf_cv_struct_dirent64=yes],
1655 [cf_cv_struct_dirent64=no])
1657 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1661 dnl ---------------------------------------------------------------------------
1662 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1664 dnl For the given system and compiler, find the compiler flags to pass to the
1665 dnl loader to use the "rpath" feature.
1666 AC_DEFUN([CF_LD_RPATH_OPT],
1668 AC_REQUIRE([CF_CHECK_CACHE])
1671 AC_MSG_CHECKING(for an rpath option)
1672 case $cf_cv_system_name in #(vi
1674 if test "$GCC" = yes; then
1675 LD_RPATH_OPT="-Wl,-rpath,"
1677 LD_RPATH_OPT="-rpath "
1680 linux*|gnu*|k*bsd*-gnu) #(vi
1681 LD_RPATH_OPT="-Wl,-rpath,"
1683 openbsd[[2-9]].*|mirbsd*) #(vi
1684 LD_RPATH_OPT="-Wl,-rpath,"
1686 dragonfly*|freebsd*) #(vi
1687 LD_RPATH_OPT="-rpath "
1690 LD_RPATH_OPT="-Wl,-rpath,"
1693 LD_RPATH_OPT="-rpath "
1701 AC_MSG_RESULT($LD_RPATH_OPT)
1703 case "x$LD_RPATH_OPT" in #(vi
1705 AC_MSG_CHECKING(if we need a space after rpath option)
1706 cf_save_LIBS="$LIBS"
1707 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1708 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1709 LIBS="$cf_save_LIBS"
1710 AC_MSG_RESULT($cf_rpath_space)
1711 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1715 dnl ---------------------------------------------------------------------------
1716 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1718 dnl Construct a search-list of directories for a nonstandard library-file
1721 dnl $1 = the variable to return as result
1722 dnl $2 = the package name
1723 AC_DEFUN([CF_LIBRARY_PATH],
1726 cf_library_path_list=""
1727 if test -n "${LDFLAGS}${LIBS}" ; then
1728 for cf_library_path in $LDFLAGS $LIBS
1730 case $cf_library_path in #(vi
1732 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1733 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1734 cf_library_path_list="$cf_library_path_list [$]$1"
1740 CF_SUBDIR_PATH($1,$2,lib)
1742 $1="$cf_library_path_list [$]$1"
1744 dnl ---------------------------------------------------------------------------
1745 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1747 dnl Compute the library-prefix for the given host system
1748 dnl $1 = variable to set
1749 define([CF_LIB_PREFIX],
1751 case $cf_cv_system_name in #(vi
1758 ifelse($1,,,[$1=$LIB_PREFIX])
1759 AC_SUBST(LIB_PREFIX)
1761 dnl ---------------------------------------------------------------------------
1762 dnl CF_LIB_SUFFIX version: 23 updated: 2014/06/21 17:47:12
1764 dnl Compute the library file-suffix from the given model name
1766 dnl $2 = variable to set (the nominal library suffix)
1767 dnl $3 = dependency variable to set (actual filename)
1768 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1769 AC_DEFUN([CF_LIB_SUFFIX],
1785 case $cf_cv_system_name in
1790 cygwin*|msys*|mingw*) #(vi
1821 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1822 test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1824 dnl ---------------------------------------------------------------------------
1825 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1827 dnl Compute the string to append to -library from the given model name
1829 dnl $2 = variable to set
1830 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1831 AC_DEFUN([CF_LIB_TYPE],
1840 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1842 dnl ---------------------------------------------------------------------------
1843 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1844 dnl ----------------
1845 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1846 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1847 dnl have to provide wrappers for global tables to ensure they're linked
1849 AC_DEFUN([CF_LINK_DATAONLY],
1851 AC_MSG_CHECKING([if data-only library module links])
1852 AC_CACHE_VAL(cf_cv_link_dataonly,[
1854 cat >conftest.$ac_ext <<EOF
1855 #line __oline__ "configure"
1856 int testdata[[3]] = { 123, 456, 789 };
1858 if AC_TRY_EVAL(ac_compile) ; then
1859 mv conftest.o data.o && \
1860 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1862 rm -f conftest.$ac_ext data.o
1863 cat >conftest.$ac_ext <<EOF
1864 #line __oline__ "configure"
1868 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1870 extern int testdata[[3]];
1871 return testdata[[0]] == 123
1872 && testdata[[1]] == 456
1873 && testdata[[2]] == 789;
1877 if AC_TRY_EVAL(ac_compile); then
1878 mv conftest.o func.o && \
1879 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1881 rm -f conftest.$ac_ext func.o
1882 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1884 LIBS="conftest.a $LIBS"
1888 extern int testfunc();
1889 ${cf_cv_main_return:-return} (!testfunc());
1892 [cf_cv_link_dataonly=yes],
1893 [cf_cv_link_dataonly=no],
1894 [cf_cv_link_dataonly=unknown])
1897 AC_MSG_RESULT($cf_cv_link_dataonly)
1899 if test "$cf_cv_link_dataonly" = no ; then
1900 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1905 dnl ---------------------------------------------------------------------------
1906 dnl CF_MAKEFLAGS version: 15 updated: 2014/05/10 16:43:23
1908 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1909 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1910 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1911 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1912 AC_DEFUN([CF_MAKEFLAGS],
1914 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1916 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1918 cat >cf_makeflags.tmp <<CF_EOF
1921 @ echo '.$cf_option'
1923 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1924 case "$cf_result" in
1926 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1927 case "$cf_result" in
1928 .*CC=*) cf_cv_makeflags=
1930 *) cf_cv_makeflags=$cf_option
1936 *) echo "given option \"$cf_option\", no match \"$cf_result\""
1940 rm -f cf_makeflags.tmp
1943 AC_SUBST(cf_cv_makeflags)
1945 dnl ---------------------------------------------------------------------------
1946 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1948 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
1949 dnl a monocase filesystem.
1950 AC_DEFUN([CF_MAKE_TAGS],[
1951 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1953 AC_CHECK_PROGS(CTAGS, exctags ctags)
1954 AC_CHECK_PROGS(ETAGS, exetags etags)
1956 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1958 if test "$cf_cv_mixedcase" = yes ; then
1959 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1964 if test "$MAKE_UPPER_TAGS" = yes ; then
1970 if test "$MAKE_LOWER_TAGS" = yes ; then
1979 AC_SUBST(MAKE_UPPER_TAGS)
1980 AC_SUBST(MAKE_LOWER_TAGS)
1982 dnl ---------------------------------------------------------------------------
1983 dnl CF_MIXEDCASE_FILENAMES version: 6 updated: 2013/10/08 17:47:05
1984 dnl ----------------------
1985 dnl Check if the file-system supports mixed-case filenames. If we're able to
1986 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1987 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1989 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1990 if test "$cross_compiling" = yes ; then
1991 case $target_alias in #(vi
1992 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) #(vi
2000 rm -f conftest CONFTEST
2002 if test -f CONFTEST ; then
2007 rm -f conftest CONFTEST
2010 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2012 dnl ---------------------------------------------------------------------------
2013 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2015 dnl Check for a working mkstemp. This creates two files, checks that they are
2016 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2017 AC_DEFUN([CF_MKSTEMP],[
2018 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2021 #include <sys/types.h>
2025 #include <sys/stat.h>
2028 char *tmpl = "conftestXXXXXX";
2036 for (n = 0; n < 2; ++n) {
2037 strcpy(name[n], tmpl);
2038 if ((fd = mkstemp(name[n])) >= 0) {
2039 if (!strcmp(name[n], tmpl)
2040 || stat(name[n], &sb) != 0
2041 || (sb.st_mode & S_IFMT) != S_IFREG
2042 || (sb.st_mode & 077) != 0) {
2049 && !strcmp(name[0], name[1]))
2051 ${cf_cv_main_return:-return}(result);
2053 ],[cf_cv_func_mkstemp=yes
2054 ],[cf_cv_func_mkstemp=no
2055 ],[cf_cv_func_mkstemp=maybe])
2057 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2058 AC_CHECK_FUNC(mkstemp)
2060 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2061 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2064 dnl ---------------------------------------------------------------------------
2065 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2067 dnl Write a debug message to config.log, along with the line number in the
2068 dnl configure script.
2069 AC_DEFUN([CF_MSG_LOG],[
2070 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2072 dnl ---------------------------------------------------------------------------
2073 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2074 dnl ----------------
2075 dnl Configure an ncurses add-on, built outside the ncurses tree.
2076 AC_DEFUN([CF_NCURSES_ADDON],[
2078 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2080 AC_MSG_CHECKING(if you want wide-character code)
2081 AC_ARG_ENABLE(widec,
2082 [ --enable-widec compile with wide-char/UTF-8 code],
2083 [with_widec=$enableval],
2085 AC_MSG_RESULT($with_widec)
2086 if test "$with_widec" = yes ; then
2088 CF_NCURSES_CONFIG(ncursesw)
2090 CF_NCURSES_CONFIG(ncurses)
2093 if test "$NCURSES_CONFIG" != none ; then
2095 cf_version=`$NCURSES_CONFIG --version`
2097 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2098 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2099 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2101 # ABI version is not available from headers
2102 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2106 for cf_name in MAJOR MINOR PATCH
2108 cat >conftest.$ac_ext <<CF_EOF
2109 #include <${cf_cv_ncurses_header:-curses.h}>
2110 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2112 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2114 if test -f conftest.out ; then
2115 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2116 eval NCURSES_$cf_name=\"$cf_result\"
2117 # cat conftest.$ac_ext
2122 cf_cv_abi_version=${NCURSES_MAJOR}
2126 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2128 dnl Show the computed version, for logging
2129 cf_cv_timestamp=`date`
2131 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2133 dnl We need these values in the generated headers
2134 AC_SUBST(NCURSES_MAJOR)
2135 AC_SUBST(NCURSES_MINOR)
2136 AC_SUBST(NCURSES_PATCH)
2138 dnl We need these values in the generated makefiles
2139 AC_SUBST(cf_cv_rel_version)
2140 AC_SUBST(cf_cv_abi_version)
2142 dnl FIXME - not needed for Ada95
2143 AC_SUBST(cf_cv_builtin_bool)
2144 AC_SUBST(cf_cv_header_stdbool_h)
2145 AC_SUBST(cf_cv_type_of_bool)dnl
2148 dnl ---------------------------------------------------------------------------
2149 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2150 dnl -------------------
2151 dnl Check if we can compile with ncurses' header file
2152 dnl $1 is the cache variable to set
2153 dnl $2 is the header-file to include
2154 dnl $3 is the root name (ncurses or ncursesw)
2155 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2157 ]ifelse($3,ncursesw,[
2158 #define _XOPEN_SOURCE_EXTENDED
2159 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2160 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2163 #ifdef NCURSES_VERSION
2164 ]ifelse($3,ncursesw,[
2169 printf("%s\n", NCURSES_VERSION);
2181 dnl ---------------------------------------------------------------------------
2182 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2183 dnl -----------------
2184 dnl Tie together the configure-script macros for ncurses.
2185 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2186 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2188 dnl $1 is the root library name (default: "ncurses")
2189 AC_DEFUN([CF_NCURSES_CONFIG],
2191 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2193 echo "Looking for ${cf_ncuconfig_root}-config"
2195 CF_ACVERSION_CHECK(2.52,
2196 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2197 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2199 if test "$NCURSES_CONFIG" != none ; then
2201 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2202 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2204 # even with config script, some packages use no-override for curses.h
2205 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2207 dnl like CF_NCURSES_CPPFLAGS
2208 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2210 dnl like CF_NCURSES_LIBS
2211 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2212 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2214 dnl like CF_NCURSES_VERSION
2215 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2219 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2220 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2224 dnl ---------------------------------------------------------------------------
2225 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2226 dnl -------------------
2227 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2228 dnl the CPPFLAGS variable so we can include its header.
2230 dnl The header files may be installed as either curses.h, or ncurses.h (would
2231 dnl be obsolete, except that some packagers prefer this name to distinguish it
2232 dnl from a "native" curses implementation). If not installed for overwrite,
2233 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2234 dnl /usr/include/ncurses), but someone may have installed overwriting the
2235 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2236 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2239 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2240 dnl is already in the include-path, don't even bother with this, since we cannot
2241 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2243 dnl The optional parameter gives the root name of the library, in case it is
2244 dnl not installed as the default curses library. That is how the
2245 dnl wide-character version of ncurses is installed.
2246 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2247 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2249 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2250 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2252 test -n "$cf_cv_curses_dir" && \
2253 test "$cf_cv_curses_dir" != "no" && { \
2254 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2257 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2258 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2259 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2260 for cf_header in $cf_header_list
2262 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2263 test "$cf_cv_ncurses_h" != no && break
2270 # some applications need this, but should check for NCURSES_VERSION
2271 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2275 dnl ---------------------------------------------------------------------------
2276 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2277 dnl -----------------
2278 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2279 dnl variations of ncurses' installs.
2281 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2282 AC_DEFUN([CF_NCURSES_HEADER],[
2284 if test "$cf_cv_ncurses_h" != no ; then
2285 cf_cv_ncurses_header=$cf_cv_ncurses_h
2288 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2289 test -n "$verbose" && echo
2290 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2291 test -n "$verbose" && echo search path $cf_search
2292 cf_save2_CPPFLAGS="$CPPFLAGS"
2293 for cf_incdir in $cf_search
2295 CF_ADD_INCDIR($cf_incdir)
2300 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2301 if test "$cf_cv_ncurses_h2" != no ; then
2302 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2303 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2306 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2308 CPPFLAGS="$cf_save2_CPPFLAGS"
2309 test "$cf_cv_ncurses_h2" != no && break
2311 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2314 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2315 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2316 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2317 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2319 CF_ADD_INCDIR($cf_1st_incdir)
2323 # Set definitions to allow ifdef'ing for ncurses.h
2325 case $cf_cv_ncurses_header in # (vi
2327 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2331 case $cf_cv_ncurses_header in # (vi
2332 ncurses/curses.h|ncurses/ncurses.h)
2333 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2335 ncursesw/curses.h|ncursesw/ncurses.h)
2336 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2341 dnl ---------------------------------------------------------------------------
2342 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2344 dnl Look for the ncurses library. This is a little complicated on Linux,
2345 dnl because it may be linked with the gpm (general purpose mouse) library.
2346 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2347 dnl unusable with ncurses. However, we don't want to link with gpm unless
2348 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2349 dnl and the linker will record a dependency.
2351 dnl The optional parameter gives the root name of the library, in case it is
2352 dnl not installed as the default curses library. That is how the
2353 dnl wide-character version of ncurses is installed.
2354 AC_DEFUN([CF_NCURSES_LIBS],
2355 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2357 cf_nculib_root=ifelse($1,,ncurses,$1)
2358 # This works, except for the special case where we find gpm, but
2359 # ncurses is in a nonstandard location via $LIBS, and we really want
2362 cf_ncurses_SAVE="$LIBS"
2363 AC_CHECK_LIB(gpm,Gpm_Open,
2364 [AC_CHECK_LIB(gpm,initscr,
2365 [LIBS="$cf_ncurses_SAVE"],
2366 [cf_ncurses_LIBS="-lgpm"])])
2368 case $host_os in #(vi
2370 # This is only necessary if you are linking against an obsolete
2371 # version of ncurses (but it should do no harm, since it's static).
2372 if test "$cf_nculib_root" = ncurses ; then
2373 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2378 CF_ADD_LIBS($cf_ncurses_LIBS)
2380 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2382 CF_ADD_LIBS(-l$cf_nculib_root)
2384 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2385 [#include <${cf_cv_ncurses_header:-curses.h}>],
2390 if test -n "$cf_ncurses_LIBS" ; then
2391 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2392 cf_ncurses_SAVE="$LIBS"
2393 for p in $cf_ncurses_LIBS ; do
2394 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2395 if test "$q" != "$LIBS" ; then
2399 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2400 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2401 [AC_MSG_RESULT(yes)],
2403 LIBS="$cf_ncurses_SAVE"])
2406 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2407 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2409 dnl ---------------------------------------------------------------------------
2410 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2411 dnl ------------------
2412 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2413 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2414 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2415 AC_DEFUN([CF_NCURSES_VERSION],
2417 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2418 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2419 cf_cv_ncurses_version=no
2423 #include <${cf_cv_ncurses_header:-curses.h}>
2427 FILE *fp = fopen("$cf_tempfile", "w");
2428 #ifdef NCURSES_VERSION
2429 # ifdef NCURSES_VERSION_PATCH
2430 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2432 fprintf(fp, "%s\n", NCURSES_VERSION);
2436 fprintf(fp, "old\n");
2441 ${cf_cv_main_return:-return}(0);
2443 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2445 # This will not work if the preprocessor splits the line after the
2446 # Autoconf token. The 'unproto' program does that.
2447 cat > conftest.$ac_ext <<EOF
2448 #include <${cf_cv_ncurses_header:-curses.h}>
2450 #ifdef NCURSES_VERSION
2451 Autoconf NCURSES_VERSION
2459 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2461 if test -f conftest.out ; then
2462 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2463 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2469 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2471 dnl ---------------------------------------------------------------------------
2472 dnl CF_OBJ_SUBDIR version: 6 updated: 2013/09/07 14:06:10
2474 dnl Compute the object-directory name from the given model name
2475 AC_DEFUN([CF_OBJ_SUBDIR],
2478 libtool) $2='obj_lo' ;;
2479 normal) $2='objects' ;;
2480 debug) $2='obj_g' ;;
2481 profile) $2='obj_p' ;;
2483 case $cf_cv_system_name in #(vi
2491 dnl ---------------------------------------------------------------------------
2492 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2494 dnl Provide a value for the $PATH and similar separator (or amend the value
2495 dnl as provided in autoconf 2.5x).
2496 AC_DEFUN([CF_PATHSEP],
2498 AC_MSG_CHECKING(for PATH separator)
2499 case $cf_cv_system_name in
2500 os2*) PATH_SEPARATOR=';' ;;
2501 *) ${PATH_SEPARATOR:=':'} ;;
2503 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2504 AC_SUBST(PATH_SEPARATOR)
2505 AC_MSG_RESULT($PATH_SEPARATOR)
2507 dnl ---------------------------------------------------------------------------
2508 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2510 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2511 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2512 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2513 dnl delayed evaluation of those symbols.
2514 AC_DEFUN([CF_PATH_SYNTAX],[
2515 if test "x$prefix" != xNONE; then
2516 cf_path_syntax="$prefix"
2518 cf_path_syntax="$ac_default_prefix"
2521 case ".[$]$1" in #(vi
2522 .\[$]\(*\)*|.\'*\'*) #(vi
2526 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2528 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2530 case ".[$]$1" in #(vi
2532 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2537 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2540 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2544 dnl ---------------------------------------------------------------------------
2545 dnl CF_PKG_CONFIG version: 8 updated: 2014/12/13 18:48:46
2547 dnl Check for the package-config program, unless disabled by command-line.
2548 AC_DEFUN([CF_PKG_CONFIG],
2550 AC_MSG_CHECKING(if you want to use pkg-config)
2551 AC_ARG_WITH(pkg-config,
2552 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2553 [cf_pkg_config=$withval],
2554 [cf_pkg_config=yes])
2555 AC_MSG_RESULT($cf_pkg_config)
2557 case $cf_pkg_config in #(vi
2562 CF_ACVERSION_CHECK(2.52,
2563 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2564 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2571 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2572 if test "$PKG_CONFIG" != none ; then
2573 CF_PATH_SYNTAX(PKG_CONFIG)
2575 AC_MSG_WARN(pkg-config is not installed)
2578 AC_SUBST(PKG_CONFIG)
2580 dnl ---------------------------------------------------------------------------
2581 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2582 dnl -----------------
2583 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2585 dnl POSIX.1-1990 _POSIX_SOURCE
2586 dnl POSIX.1-1990 and _POSIX_SOURCE and
2587 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2589 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2590 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2591 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2594 dnl $1 is the nominal value for _POSIX_C_SOURCE
2595 AC_DEFUN([CF_POSIX_C_SOURCE],
2597 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2599 cf_save_CFLAGS="$CFLAGS"
2600 cf_save_CPPFLAGS="$CPPFLAGS"
2602 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2603 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2605 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2606 CF_MSG_LOG(if the symbol is already defined go no further)
2607 AC_TRY_COMPILE([#include <sys/types.h>],[
2608 #ifndef _POSIX_C_SOURCE
2611 [cf_cv_posix_c_source=no],
2612 [cf_want_posix_source=no
2613 case .$cf_POSIX_C_SOURCE in #(vi
2615 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2618 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2619 cf_want_posix_source=yes
2622 cf_want_posix_source=yes
2625 if test "$cf_want_posix_source" = yes ; then
2626 AC_TRY_COMPILE([#include <sys/types.h>],[
2627 #ifdef _POSIX_SOURCE
2630 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2632 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2633 CFLAGS="$cf_trim_CFLAGS"
2634 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2635 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2636 AC_TRY_COMPILE([#include <sys/types.h>],[
2637 #ifndef _POSIX_C_SOURCE
2640 [cf_cv_posix_c_source=no])
2641 CFLAGS="$cf_save_CFLAGS"
2642 CPPFLAGS="$cf_save_CPPFLAGS"
2646 if test "$cf_cv_posix_c_source" != no ; then
2647 CFLAGS="$cf_trim_CFLAGS"
2648 CPPFLAGS="$cf_trim_CPPFLAGS"
2649 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2653 dnl ---------------------------------------------------------------------------
2654 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2656 dnl Check for archiver "ar".
2657 AC_DEFUN([CF_PROG_AR],[
2658 AC_CHECK_TOOL(AR, ar, ar)
2660 dnl ---------------------------------------------------------------------------
2661 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2663 dnl Check for awk, ensure that the check found something.
2664 AC_DEFUN([CF_PROG_AWK],
2667 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2669 dnl ---------------------------------------------------------------------------
2670 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2672 dnl standard check for CC, plus followup sanity checks
2673 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2674 AC_DEFUN([CF_PROG_CC],[
2675 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2677 CF_ACVERSION_CHECK(2.52,
2682 dnl ---------------------------------------------------------------------------
2683 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2685 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2686 dnl the output file can be renamed, and allows for a shell variable that can
2687 dnl be used later. The parameter is either CC or CXX. The result is the
2689 dnl $cf_cv_prog_CC_c_o
2690 dnl $cf_cv_prog_CXX_c_o
2691 AC_DEFUN([CF_PROG_CC_C_O],
2692 [AC_REQUIRE([AC_PROG_CC])dnl
2693 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2694 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2696 cat > conftest.$ac_ext <<CF_EOF
2700 ${cf_cv_main_return:-return}(0);
2703 # We do the test twice because some compilers refuse to overwrite an
2704 # existing .o file with -o, though they will create one.
2705 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2706 if AC_TRY_EVAL(ac_try) &&
2707 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2709 eval cf_cv_prog_$1_c_o=yes
2711 eval cf_cv_prog_$1_c_o=no
2715 if test $cf_cv_prog_$1_c_o = yes; then
2716 AC_MSG_RESULT([yes])
2721 dnl ---------------------------------------------------------------------------
2722 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2724 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2725 dnl This macro adds a check to ensure the script found something.
2726 AC_DEFUN([CF_PROG_EGREP],
2727 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2728 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2729 then ac_cv_prog_egrep='grep -E'
2730 else ac_cv_prog_egrep='egrep'
2732 EGREP=$ac_cv_prog_egrep
2734 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2736 dnl ---------------------------------------------------------------------------
2737 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2739 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2740 AC_DEFUN([CF_PROG_EXT],
2742 AC_REQUIRE([CF_CHECK_CACHE])
2743 case $cf_cv_system_name in
2745 CFLAGS="$CFLAGS -Zmt"
2746 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2747 CXXFLAGS="$CXXFLAGS -Zmt"
2748 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2749 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2759 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2761 dnl ---------------------------------------------------------------------------
2762 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2764 dnl Check for gnatmake, ensure that it is complete.
2765 AC_DEFUN([CF_PROG_GNAT],[
2766 cf_ada_make=gnatmake
2767 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2768 if test "$ac_cv_prog_gnat_exists" = no; then
2770 cf_cv_prog_gnat_correct=no
2773 AC_CHECK_PROG(M4_exists, m4, yes, no)
2774 if test "$ac_cv_prog_M4_exists" = no; then
2775 cf_cv_prog_gnat_correct=no
2776 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2778 if test "$cf_cv_prog_gnat_correct" = yes; then
2779 AC_MSG_CHECKING(if GNAT works)
2780 CF_GNAT_TRY_RUN([procedure conftest;],
2783 procedure conftest is
2785 Text_IO.Put ("Hello World");
2787 GNAT.OS_Lib.OS_Exit (0);
2788 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2789 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2793 AC_SUBST(cf_ada_make)
2795 dnl ---------------------------------------------------------------------------
2796 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2798 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2799 dnl option if it is supported.
2800 AC_DEFUN([CF_PROG_LN_S],[
2802 AC_MSG_CHECKING(if $LN_S -f options work)
2804 rm -f conf$$.src conf$$dst
2806 echo first >conf$$.src
2807 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2812 rm -f conf$$.dst conf$$src
2813 AC_MSG_RESULT($cf_prog_ln_sf)
2815 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2817 dnl ---------------------------------------------------------------------------
2818 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2819 dnl ----------------
2820 dnl Remove all -U and -D options that refer to the given symbol from a list
2821 dnl of C compiler options. This works around the problem that not all
2822 dnl compilers process -U and -D options from left-to-right, so a -U option
2823 dnl cannot be used to cancel the effect of a preceding -D option.
2825 dnl $1 = target (which could be the same as the source variable)
2826 dnl $2 = source (including '$')
2827 dnl $3 = symbol to remove
2828 define([CF_REMOVE_DEFINE],
2831 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2832 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2834 dnl ---------------------------------------------------------------------------
2835 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2837 dnl Remove the given library from the symbol
2839 dnl $1 = target (which could be the same as the source variable)
2840 dnl $2 = source (including '$')
2841 dnl $3 = library to remove
2842 define([CF_REMOVE_LIB],
2844 # remove $3 library from $2
2845 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2847 dnl ---------------------------------------------------------------------------
2848 dnl CF_SHARED_OPTS version: 84 updated: 2013/11/03 06:26:10
2851 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2855 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2856 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2857 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2858 dnl shared library since that can lead to unexpected results at runtime.
2859 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2860 dnl libraries are compiled in ../../lib
2862 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2863 dnl to install symbolic links to the rel/abi versions of shared libraries.
2865 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2866 dnl version when making symbolic links.
2868 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2869 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2870 dnl (ex: libncurses.so.<ver>).
2872 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2873 AC_DEFUN([CF_SHARED_OPTS],
2875 AC_REQUIRE([CF_LD_RPATH_OPT])
2880 INSTALL_LIB="-m 644"
2881 : ${rel_builddir:=.}
2889 cf_cv_do_symlinks=no
2891 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2893 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2894 AC_ARG_WITH(shlib-version,
2895 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2896 [test -z "$withval" && withval=auto
2897 case $withval in #(vi
2899 cf_cv_shlib_version=auto
2901 rel|abi|auto|no) #(vi
2902 cf_cv_shlib_version=$withval
2905 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2908 ],[cf_cv_shlib_version=auto])
2909 AC_MSG_RESULT($cf_cv_shlib_version)
2914 # Some less-capable ports of gcc support only -fpic
2916 if test "$GCC" = yes
2918 AC_MSG_CHECKING(which $CC option to use)
2919 cf_save_CFLAGS="$CFLAGS"
2920 for CC_SHARED_OPTS in -fPIC -fpic ''
2922 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2923 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2925 AC_MSG_RESULT($CC_SHARED_OPTS)
2926 CFLAGS="$cf_save_CFLAGS"
2929 cf_cv_shlib_version_infix=no
2931 case $cf_cv_system_name in #(vi
2932 aix4.[3-9]*|aix[[5-7]]*) #(vi
2933 if test "$GCC" = yes; then
2935 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2937 # CC_SHARED_OPTS='-qpic=large -G'
2938 # perhaps "-bM:SRE -bnoentry -bexpall"
2939 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2943 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2947 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2948 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2949 cf_cv_shlib_version=cygdll
2950 cf_cv_shlib_version_infix=cygdll
2953 cat >mk_shared_lib.sh <<-CF_EOF
2956 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2959 Linking shared library
2960 ** SHARED_LIB \[$]SHARED_LIB
2961 ** IMPORT_LIB \[$]IMPORT_LIB
2963 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2965 chmod +x mk_shared_lib.sh
2969 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2970 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2971 cf_cv_shlib_version=msysdll
2972 cf_cv_shlib_version_infix=msysdll
2975 cat >mk_shared_lib.sh <<-CF_EOF
2978 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2981 Linking shared library
2982 ** SHARED_LIB \[$]SHARED_LIB
2983 ** IMPORT_LIB \[$]IMPORT_LIB
2985 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2987 chmod +x mk_shared_lib.sh
2990 cf_try_cflags="no-cpp-precomp"
2991 CC_SHARED_OPTS="-dynamic"
2992 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2993 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2994 cf_cv_shlib_version_infix=yes
2995 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
2996 cf_save_LDFLAGS=$LDFLAGS
2997 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2998 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
2999 LDFLAGS=$cf_save_LDFLAGS])
3000 if test $cf_cv_ldflags_search_paths_first = yes; then
3001 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3005 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3006 if test "$GCC" != yes; then
3009 MK_SHARED_LIB='${LD} -b -o $[@]'
3010 INSTALL_LIB="-m 555"
3013 # (tested with gcc 2.7.2 -- I don't have c89)
3014 if test "$GCC" = yes; then
3015 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3018 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3020 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3021 # HP-UX shared libraries must be executable, and should be
3022 # readonly to exploit a quirk in the memory manager.
3023 INSTALL_LIB="-m 555"
3026 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3027 if test "$cf_cv_shlib_version" = rel; then
3028 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3030 cf_shared_soname='`basename $@`'
3033 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3036 if test "$cf_cv_enable_rpath" = yes ; then
3037 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3039 # tested with IRIX 5.2 and 'cc'.
3040 if test "$GCC" != yes; then
3041 CC_SHARED_OPTS='-KPIC'
3042 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3044 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3046 cf_cv_rm_so_locs=yes
3048 linux*|gnu*|k*bsd*-gnu) #(vi
3049 if test "$DFT_LWR_MODEL" = "shared" ; then
3050 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3051 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3053 if test "$cf_cv_enable_rpath" = yes ; then
3054 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3057 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3060 cf_cv_shlib_version=mingw
3061 cf_cv_shlib_version_infix=mingw
3064 if test "$DFT_LWR_MODEL" = "shared" ; then
3065 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3066 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3067 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3070 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3071 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3072 cat >mk_shared_lib.sh <<-CF_EOF
3075 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3078 Linking shared library
3079 ** SHARED_LIB \[$]SHARED_LIB
3080 ** IMPORT_LIB \[$]IMPORT_LIB
3082 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3084 chmod +x mk_shared_lib.sh
3086 openbsd[[2-9]].*|mirbsd*) #(vi
3087 if test "$DFT_LWR_MODEL" = "shared" ; then
3088 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3089 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3091 if test "$cf_cv_enable_rpath" = yes ; then
3092 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3094 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3096 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3098 nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3099 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3100 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3101 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3103 dragonfly*|freebsd*) #(vi
3104 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3105 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3106 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3107 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3108 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3111 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3114 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3115 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3116 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3117 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3118 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3119 if test "$cf_cv_shlib_version" = auto; then
3120 if test -f /usr/libexec/ld.elf_so; then
3121 cf_cv_shlib_version=abi
3123 cf_cv_shlib_version=rel
3127 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3129 MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3133 # tested with OSF/1 V3.2 and 'cc'
3134 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3135 # link with shared libs).
3136 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3137 case $host_os in #(vi
3139 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3142 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3143 if test "$DFT_LWR_MODEL" = "shared" ; then
3144 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3145 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3147 cf_cv_rm_so_locs=yes
3149 sco3.2v5*) # (also uw2* and UW7: hops 13-Apr-98
3150 # tested with osr5.0.5
3151 if test "$GCC" != yes; then
3152 CC_SHARED_OPTS='-belf -KPIC'
3154 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3155 if test "$cf_cv_enable_rpath" = yes ; then
3156 # only way is to set LD_RUN_PATH but no switch for it
3159 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3160 LINK_PROGS='LD_RUN_PATH=${libdir}'
3161 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3164 # tested with SunOS 4.1.1 and gcc 2.7.0
3165 if test "$GCC" != yes; then
3166 CC_SHARED_OPTS='-KPIC'
3168 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3169 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3172 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3173 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3174 if test "$DFT_LWR_MODEL" = "shared" ; then
3175 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3176 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3178 if test "$cf_cv_enable_rpath" = yes ; then
3179 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3182 if test "$GCC" != yes; then
3183 cf_save_CFLAGS="$CFLAGS"
3184 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3186 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3187 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3189 CFLAGS="$cf_save_CFLAGS"
3190 CC_SHARED_OPTS=$cf_shared_opts
3191 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3193 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3196 sysv5uw7*|unix_sv*) #(vi
3197 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3198 if test "$GCC" != yes; then
3199 CC_SHARED_OPTS='-KPIC'
3201 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3204 CC_SHARED_OPTS='unknown'
3205 MK_SHARED_LIB='echo unknown'
3209 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3210 case "$cf_cv_shlib_version" in #(vi
3212 case "$MK_SHARED_LIB" in #(vi
3214 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3217 AC_MSG_WARN(ignored --with-shlib-version)
3223 if test -n "$cf_try_cflags"
3225 cat > conftest.$ac_ext <<EOF
3226 #line __oline__ "${as_me:-configure}"
3228 int main(int argc, char *argv[[]])
3231 return (argv[[argc-1]] == 0) ;
3234 cf_save_CFLAGS="$CFLAGS"
3235 for cf_opt in $cf_try_cflags
3237 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3238 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3239 if AC_TRY_EVAL(ac_compile); then
3241 cf_save_CFLAGS="$CFLAGS"
3246 CFLAGS="$cf_save_CFLAGS"
3250 # RPATH_LIST is a colon-separated list of directories
3251 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3252 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3254 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3256 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3257 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3259 AC_SUBST(CC_SHARED_OPTS)
3260 AC_SUBST(LD_RPATH_OPT)
3261 AC_SUBST(LD_SHARED_OPTS)
3262 AC_SUBST(MK_SHARED_LIB)
3263 AC_SUBST(RM_SHARED_OPTS)
3265 AC_SUBST(LINK_PROGS)
3266 AC_SUBST(LINK_TESTS)
3268 AC_SUBST(EXTRA_LDFLAGS)
3269 AC_SUBST(LOCAL_LDFLAGS)
3270 AC_SUBST(LOCAL_LDFLAGS2)
3272 AC_SUBST(INSTALL_LIB)
3273 AC_SUBST(RPATH_LIST)
3275 dnl ---------------------------------------------------------------------------
3276 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3277 dnl ----------------
3278 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3279 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3282 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3283 dnl If missing, use "rel".
3284 define([CF_SHARED_SONAME],
3286 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3287 if test "$cf_cv_shlib_version" = rel; then
3288 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3290 cf_cv_shared_soname='`basename $[@]`'
3293 dnl ---------------------------------------------------------------------------
3294 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3296 dnl Remove "-g" option from the compiler options
3297 AC_DEFUN([CF_STRIP_G_OPT],
3298 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3299 dnl ---------------------------------------------------------------------------
3300 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3302 dnl Construct a search-list for a nonstandard header/lib-file
3303 dnl $1 = the variable to return as result
3304 dnl $2 = the package name
3305 dnl $3 = the subdirectory, e.g., bin, include or lib
3306 AC_DEFUN([CF_SUBDIR_PATH],
3310 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3312 for cf_subdir_prefix in \
3320 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3323 dnl ---------------------------------------------------------------------------
3324 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3326 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3327 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3328 dnl but some packagers change this, breaking various applications.
3329 AC_DEFUN([CF_TERM_HEADER],[
3330 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3331 case ${cf_cv_ncurses_header} in #(vi
3332 */ncurses.h|*/ncursesw.h) #(vi
3333 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3336 cf_term_header=term.h
3340 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3342 AC_TRY_COMPILE([#include <stdio.h>
3343 #include <${cf_cv_ncurses_header:-curses.h}>
3345 ],[int x = auto_left_margin],[
3346 cf_cv_term_header="$cf_test"],[
3347 cf_cv_term_header=unknown
3349 test "$cf_cv_term_header" != unknown && break
3353 # Set definitions to allow ifdef'ing to accommodate subdirectories
3355 case $cf_cv_term_header in # (vi
3357 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3361 case $cf_cv_term_header in # (vi
3362 ncurses/term.h) #(vi
3363 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3366 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3370 dnl ---------------------------------------------------------------------------
3371 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3373 dnl Define a top_builddir symbol, for applications that need an absolute path.
3374 AC_DEFUN([CF_TOP_BUILDDIR],
3376 top_builddir=ifelse($1,,`pwd`,$1)
3377 AC_SUBST(top_builddir)
3379 dnl ---------------------------------------------------------------------------
3380 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3381 dnl -------------------
3382 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3383 dnl can define it successfully.
3384 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3385 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3389 #include <sys/types.h>
3391 #ifndef _XOPEN_SOURCE
3394 [cf_cv_xopen_source=no],
3395 [cf_save="$CPPFLAGS"
3396 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3400 #include <sys/types.h>
3402 #ifdef _XOPEN_SOURCE
3405 [cf_cv_xopen_source=no],
3406 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3411 if test "$cf_cv_xopen_source" != no ; then
3412 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3413 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3414 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3415 CF_ADD_CFLAGS($cf_temp_xopen_source)
3418 dnl ---------------------------------------------------------------------------
3419 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3421 dnl Make an uppercase version of a variable
3422 dnl $1=uppercase($2)
3423 AC_DEFUN([CF_UPPER],
3425 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3427 dnl ---------------------------------------------------------------------------
3428 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3430 dnl Check for multibyte support, and if not found, utf8 compatibility library
3431 AC_DEFUN([CF_UTF8_LIB],
3433 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3434 cf_save_LIBS="$LIBS"
3436 #include <stdlib.h>],[putwc(0,0);],
3437 [cf_cv_utf8_lib=yes],
3439 #include <libutf8.h>],[putwc(0,0);],utf8,
3440 [cf_cv_utf8_lib=add-on],
3441 [cf_cv_utf8_lib=no])
3444 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3446 if test "$cf_cv_utf8_lib" = "add-on" ; then
3447 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3448 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3449 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3450 CF_ADD_LIBS($cf_cv_library_file_utf8)
3453 dnl ---------------------------------------------------------------------------
3454 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3456 dnl Use AC_VERBOSE w/o the warnings
3457 AC_DEFUN([CF_VERBOSE],
3458 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3461 dnl ---------------------------------------------------------------------------
3462 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3464 dnl Check for compiler-support for weak symbols.
3465 dnl This works with "recent" gcc.
3466 AC_DEFUN([CF_WEAK_SYMBOLS],[
3467 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3470 #include <stdio.h>],
3472 #if defined(__GNUC__)
3473 # if defined __USE_ISOC99
3474 # define _cat_pragma(exp) _Pragma(#exp)
3475 # define _weak_pragma(exp) _cat_pragma(weak name)
3477 # define _weak_pragma(exp)
3479 # define _declare(name) __extension__ extern __typeof__(name) name
3480 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3484 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3487 dnl ---------------------------------------------------------------------------
3488 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3489 dnl --------------------
3490 dnl Command-line option to specify the Ada95 compiler.
3491 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3492 AC_MSG_CHECKING(for ada-compiler)
3493 AC_ARG_WITH(ada-compiler,
3494 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3495 [cf_ada_compiler=$withval],
3496 [cf_ada_compiler=gnatmake])
3497 AC_SUBST(cf_ada_compiler)
3498 AC_MSG_RESULT($cf_ada_compiler)
3500 dnl ---------------------------------------------------------------------------
3501 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3502 dnl -------------------
3503 dnl Command-line option to specify where Ada includes will install.
3504 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3505 AC_MSG_CHECKING(for ada-include)
3506 CF_WITH_PATH(ada-include,
3507 [ --with-ada-include=DIR Ada includes are in DIR],
3509 PREFIX/share/ada/adainclude,
3510 [$]prefix/share/ada/adainclude)
3511 AC_SUBST(ADA_INCLUDE)
3512 AC_MSG_RESULT($ADA_INCLUDE)
3514 dnl ---------------------------------------------------------------------------
3515 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3516 dnl -------------------
3517 dnl Command-line option to specify where Ada objects will install.
3518 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3519 AC_MSG_CHECKING(for ada-objects)
3520 CF_WITH_PATH(ada-objects,
3521 [ --with-ada-objects=DIR Ada objects are in DIR],
3523 PREFIX/lib/ada/adalib,
3524 [$]prefix/lib/ada/adalib)
3525 AC_SUBST(ADA_OBJECTS)
3526 AC_MSG_RESULT($ADA_OBJECTS)
3528 dnl ---------------------------------------------------------------------------
3529 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3530 dnl ---------------------
3531 dnl Command-line option to specify if an Ada95 shared-library should be built,
3532 dnl and optionally what its soname should be.
3533 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3534 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3535 AC_ARG_WITH(ada-sharedlib,
3536 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3537 [with_ada_sharedlib=$withval],
3538 [with_ada_sharedlib=no])
3539 AC_MSG_RESULT($with_ada_sharedlib)
3541 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3542 MAKE_ADA_SHAREDLIB="#"
3544 if test "x$with_ada_sharedlib" != xno
3547 if test "x$with_ada_sharedlib" != xyes
3549 ADA_SHAREDLIB="$with_ada_sharedlib"
3553 AC_SUBST(ADA_SHAREDLIB)
3554 AC_SUBST(MAKE_ADA_SHAREDLIB)
3556 dnl ---------------------------------------------------------------------------
3557 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3558 dnl ------------------
3559 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3561 AC_DEFUN([CF_WITH_CURSES_DIR],[
3563 AC_MSG_CHECKING(for specific curses-directory)
3564 AC_ARG_WITH(curses-dir,
3565 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3566 [cf_cv_curses_dir=$withval],
3567 [cf_cv_curses_dir=no])
3568 AC_MSG_RESULT($cf_cv_curses_dir)
3570 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3572 CF_PATH_SYNTAX(withval)
3573 if test -d "$cf_cv_curses_dir"
3575 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3576 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3580 dnl ---------------------------------------------------------------------------
3581 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3582 dnl ------------------
3583 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3584 dnl "lib" prefix, e.g., because it used the dll naming convention.
3586 dnl $1 = variable to set
3587 AC_DEFUN([CF_WITH_LIB_PREFIX],
3589 AC_MSG_CHECKING(if you want to have a library-prefix)
3590 AC_ARG_WITH(lib-prefix,
3591 [ --with-lib-prefix override library-prefix],
3592 [with_lib_prefix=$withval],
3593 [with_lib_prefix=auto])
3594 AC_MSG_RESULT($with_lib_prefix)
3596 if test $with_lib_prefix = auto
3599 elif test $with_lib_prefix = no
3603 LIB_PREFIX=$with_lib_prefix
3606 dnl ---------------------------------------------------------------------------
3607 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3609 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3610 dnl defaulting to yes/no.
3612 dnl $1 = option name
3614 dnl $3 = environment variable to set
3615 dnl $4 = default value, shown in the help-message, must be a constant
3616 dnl $5 = default value, if it's an expression & cannot be in the help-message
3618 AC_DEFUN([CF_WITH_PATH],
3619 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3620 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3621 if ifelse([$5],,true,[test -n "$5"]) ; then
3622 CF_PATH_SYNTAX(withval)
3627 dnl ---------------------------------------------------------------------------
3628 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 3 updated: 2014/12/13 18:48:46
3629 dnl -------------------------
3630 dnl Allow the choice of the pkg-config library directory to be overridden.
3631 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3632 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3633 AC_ARG_WITH(pkg-config-libdir,
3634 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3635 [PKG_CONFIG_LIBDIR=$withval],
3636 [PKG_CONFIG_LIBDIR=yes])
3638 case x$PKG_CONFIG_LIBDIR in #(vi
3642 # Look for the library directory using the same prefix as the executable
3643 if test "x$PKG_CONFIG" = xnone
3647 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3650 # If you don't like using the default architecture, you have to specify the
3651 # intended library directory and corresponding compiler/linker options.
3653 # This case allows for Debian's 2014-flavor of multiarch, along with the
3654 # most common variations before that point. Some other variants spell the
3655 # directory differently, e.g., "pkg-config", and put it in unusual places.
3656 # pkg-config has always been poorly standardized, which is ironic...
3657 case x`(arch) 2>/dev/null` in #(vi
3660 $cf_path/lib/*64-linux-gnu \
3668 $cf_path/lib/*-linux-gnu \
3676 for cf_config in $cf_search_path
3678 CF_VERBOSE(checking $cf_config/pkgconfig)
3679 if test -d $cf_config/pkgconfig
3681 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3682 AC_MSG_CHECKING(done)
3691 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3693 AC_SUBST(PKG_CONFIG_LIBDIR)
3695 dnl ---------------------------------------------------------------------------
3696 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3698 dnl Check for POSIX thread library.
3699 AC_DEFUN([CF_WITH_PTHREAD],
3701 AC_MSG_CHECKING(if you want to link with the pthread library)
3702 AC_ARG_WITH(pthread,
3703 [ --with-pthread use POSIX thread library],
3704 [with_pthread=$withval],
3706 AC_MSG_RESULT($with_pthread)
3708 if test "$with_pthread" != no ; then
3709 AC_CHECK_HEADER(pthread.h,[
3710 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3712 for cf_lib_pthread in pthread c_r
3714 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3715 cf_save_LIBS="$LIBS"
3716 CF_ADD_LIB($cf_lib_pthread)
3718 #include <pthread.h>
3720 int rc = pthread_create(0,0,0,0);
3721 int r2 = pthread_mutexattr_settype(0, 0);
3722 ],[with_pthread=yes],[with_pthread=no])
3723 LIBS="$cf_save_LIBS"
3724 AC_MSG_RESULT($with_pthread)
3725 test "$with_pthread" = yes && break
3728 if test "$with_pthread" = yes ; then
3729 CF_ADD_LIB($cf_lib_pthread)
3730 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3732 AC_MSG_ERROR(Cannot link with pthread library)
3737 dnl ---------------------------------------------------------------------------
3738 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3740 dnl For testing, override the derived host system-type which is used to decide
3741 dnl things such as the linker commands used to build shared libraries. This is
3742 dnl normally chosen automatically based on the type of system which you are
3743 dnl building on. We use it for testing the configure script.
3745 dnl This is different from the --host option: it is used only for testing parts
3746 dnl of the configure script which would not be reachable with --host since that
3747 dnl relies on the build environment being real, rather than mocked up.
3748 AC_DEFUN([CF_WITH_SYSTYPE],[
3749 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3750 AC_ARG_WITH(system-type,
3751 [ --with-system-type=XXX test: override derived host system-type],
3752 [AC_MSG_WARN(overriding system type to $withval)
3753 cf_cv_system_name=$withval
3757 dnl ---------------------------------------------------------------------------
3758 dnl CF_XOPEN_SOURCE version: 48 updated: 2014/09/01 12:29:14
3760 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3761 dnl or adapt to the vendor's definitions to get equivalent functionality,
3762 dnl without losing the common non-POSIX features.
3765 dnl $1 is the nominal value for _XOPEN_SOURCE
3766 dnl $2 is the nominal value for _POSIX_C_SOURCE
3767 AC_DEFUN([CF_XOPEN_SOURCE],[
3768 AC_REQUIRE([AC_CANONICAL_HOST])
3770 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3771 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3774 case $host_os in #(vi
3776 cf_xopen_source="-D_ALL_SOURCE"
3781 darwin[[0-8]].*) #(vi
3782 cf_xopen_source="-D_APPLE_C_SOURCE"
3785 cf_xopen_source="-D_DARWIN_C_SOURCE"
3788 freebsd*|dragonfly*) #(vi
3789 # 5.x headers associate
3790 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3791 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3792 cf_POSIX_C_SOURCE=200112L
3794 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3797 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3800 cf_xopen_source="-D_HPUX_SOURCE"
3803 cf_xopen_source="-D_SGI_SOURCE"
3806 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3810 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3813 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3815 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3818 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3820 openbsd[[4-9]]*) #(vi
3821 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3822 cf_xopen_source="-D_BSD_SOURCE"
3826 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3829 cf_xopen_source="-D_OSF_SOURCE"
3832 cf_xopen_source="-D_QNX_SOURCE"
3835 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3838 cf_xopen_source="-D__EXTENSIONS__"
3839 cf_cv_xopen_source=broken
3841 sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
3847 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3851 if test -n "$cf_xopen_source" ; then
3852 CF_ADD_CFLAGS($cf_xopen_source,true)
3855 dnl In anything but the default case, we may have system-specific setting
3856 dnl which is still not guaranteed to provide all of the entrypoints that
3857 dnl _XOPEN_SOURCE would yield.
3858 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3859 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3860 AC_TRY_COMPILE([#include <stdlib.h>],[
3861 #ifndef _XOPEN_SOURCE
3864 [cf_XOPEN_SOURCE_set=yes],
3865 [cf_XOPEN_SOURCE_set=no])
3866 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3867 if test $cf_XOPEN_SOURCE_set = yes
3869 AC_TRY_COMPILE([#include <stdlib.h>],[
3870 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3873 [cf_XOPEN_SOURCE_set_ok=yes],
3874 [cf_XOPEN_SOURCE_set_ok=no])
3875 if test $cf_XOPEN_SOURCE_set_ok = no
3877 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)