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 1.91 2014/08/02 22:40:45 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($enable_gnat_projects)
740 dnl ---------------------------------------------------------------------------
741 dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
742 dnl ------------------
743 dnl This is the "--enable-pc-files" option, which is available if there is a
744 dnl pkg-config configuration on the local machine.
745 AC_DEFUN([CF_ENABLE_PC_FILES],[
746 AC_REQUIRE([CF_PKG_CONFIG])
747 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
749 if test "$PKG_CONFIG" != none ; then
750 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
751 AC_ARG_ENABLE(pc-files,
752 [ --enable-pc-files generate and install .pc files for pkg-config],
753 [enable_pc_files=$enableval],
754 [enable_pc_files=no])
755 AC_MSG_RESULT($enable_pc_files)
756 if test "$enable_pc_files" != no
758 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
764 dnl ---------------------------------------------------------------------------
765 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
767 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
768 dnl prefer a standard location, and use -L options only if we do not find the
769 dnl library in the standard library location(s).
770 dnl $1 = library name
771 dnl $2 = library class, usually the same as library name
773 dnl $4 = code fragment to compile/link
774 dnl $5 = corresponding function-name
775 dnl $6 = flag, nonnull if failure should not cause an error-exit
777 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
778 dnl to use a -L option.
779 AC_DEFUN([CF_FIND_LIBRARY],
781 eval 'cf_cv_have_lib_'$1'=no'
784 eval 'cf_cv_have_lib_'$1'=yes',[
786 AC_MSG_CHECKING(for $5 in -l$1)
788 AC_TRY_LINK([$3],[$4],
790 eval 'cf_cv_have_lib_'$1'=yes'
793 CF_LIBRARY_PATH(cf_search,$2)
794 for cf_libdir in $cf_search
796 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
797 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
798 AC_TRY_LINK([$3],[$4],
800 eval 'cf_cv_have_lib_'$1'=yes'
803 LIBS="$cf_save_LIBS"])
807 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
809 if test $cf_found_library = no ; then
810 AC_MSG_ERROR(Cannot link $1 library)
814 dnl ---------------------------------------------------------------------------
815 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
817 dnl Find a library (specifically the linkage used in the code fragment),
818 dnl searching for it if it is not already in the library path.
819 dnl See also CF_ADD_SEARCHPATH.
821 dnl Parameters (4-on are optional):
822 dnl $1 = headers for library entrypoint
823 dnl $2 = code fragment for library entrypoint
824 dnl $3 = the library name without the "-l" option or ".so" suffix.
825 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
826 dnl $5 = action to perform if not successful
827 dnl $6 = module name, if not the same as the library name
828 dnl $7 = extra libraries
830 dnl Sets these variables:
831 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
832 dnl $cf_cv_header_path_$3 - include-directory if needed
833 dnl $cf_cv_library_path_$3 - library-directory if needed
834 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
835 AC_DEFUN([CF_FIND_LINKAGE],[
837 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
838 # will be set on completion of the AC_TRY_LINK below.
839 cf_cv_header_path_$3=
840 cf_cv_library_path_$3=
842 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
846 AC_TRY_LINK([$1],[$2],[
847 cf_cv_find_linkage_$3=yes
848 cf_cv_header_path_$3=/usr/include
849 cf_cv_library_path_$3=/usr/lib
852 LIBS="-l$3 $7 $cf_save_LIBS"
854 AC_TRY_LINK([$1],[$2],[
855 cf_cv_find_linkage_$3=yes
856 cf_cv_header_path_$3=/usr/include
857 cf_cv_library_path_$3=/usr/lib
858 cf_cv_library_file_$3="-l$3"
860 cf_cv_find_linkage_$3=no
863 CF_VERBOSE(find linkage for $3 library)
864 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
866 cf_save_CPPFLAGS="$CPPFLAGS"
867 cf_test_CPPFLAGS="$CPPFLAGS"
869 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
870 for cf_cv_header_path_$3 in $cf_search
872 if test -d $cf_cv_header_path_$3 ; then
873 CF_VERBOSE(... testing $cf_cv_header_path_$3)
874 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
875 AC_TRY_COMPILE([$1],[$2],[
876 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
877 cf_cv_find_linkage_$3=maybe
878 cf_test_CPPFLAGS="$CPPFLAGS"
880 CPPFLAGS="$cf_save_CPPFLAGS"
885 if test "$cf_cv_find_linkage_$3" = maybe ; then
887 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
890 cf_save_LDFLAGS="$LDFLAGS"
893 CPPFLAGS="$cf_test_CPPFLAGS"
894 LIBS="-l$3 $7 $cf_save_LIBS"
895 AC_TRY_LINK([$1],[$2],[
896 CF_VERBOSE(... found $3 library in system)
897 cf_cv_find_linkage_$3=yes])
898 CPPFLAGS="$cf_save_CPPFLAGS"
902 if test "$cf_cv_find_linkage_$3" != yes ; then
903 CF_LIBRARY_PATH(cf_search,$3)
904 for cf_cv_library_path_$3 in $cf_search
906 if test -d $cf_cv_library_path_$3 ; then
907 CF_VERBOSE(... testing $cf_cv_library_path_$3)
908 CPPFLAGS="$cf_test_CPPFLAGS"
909 LIBS="-l$3 $7 $cf_save_LIBS"
910 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
911 AC_TRY_LINK([$1],[$2],[
912 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
913 cf_cv_find_linkage_$3=yes
914 cf_cv_library_file_$3="-l$3"
916 CPPFLAGS="$cf_save_CPPFLAGS"
918 LDFLAGS="$cf_save_LDFLAGS"
922 CPPFLAGS="$cf_save_CPPFLAGS"
923 LDFLAGS="$cf_save_LDFLAGS"
927 cf_cv_find_linkage_$3=no
934 if test "$cf_cv_find_linkage_$3" = yes ; then
936 CF_ADD_INCDIR($cf_cv_header_path_$3)
937 CF_ADD_LIBDIR($cf_cv_library_path_$3)
941 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
944 dnl ---------------------------------------------------------------------------
945 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
946 dnl -----------------
947 dnl make ADAFLAGS consistent with CFLAGS
948 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
949 AC_MSG_CHECKING(optimization options for ADAFLAGS)
957 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
958 CF_ADD_ADAFLAGS($cf_O_flag)
961 AC_MSG_RESULT($ADAFLAGS)
963 dnl ---------------------------------------------------------------------------
964 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
965 dnl -----------------
966 dnl Test for availability of useful gcc __attribute__ directives to quiet
967 dnl compiler warnings. Though useful, not all are supported -- and contrary
968 dnl to documentation, unrecognized directives cause older compilers to barf.
969 AC_DEFUN([CF_GCC_ATTRIBUTES],
973 cat > conftest.i <<EOF
981 #define GCC_NORETURN /* nothing */
984 #define GCC_UNUSED /* nothing */
989 AC_CHECKING([for $CC __attribute__ directives])
990 cat > conftest.$ac_ext <<EOF
991 #line __oline__ "${as_me:-configure}"
992 #include "confdefs.h"
993 #include "conftest.h"
994 #include "conftest.i"
996 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
998 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1001 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1003 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1005 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1006 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1007 extern void foo(void) GCC_NORETURN;
1008 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1010 cf_printf_attribute=no
1011 cf_scanf_attribute=no
1012 for cf_attribute in scanf printf unused noreturn
1014 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1015 cf_directive="__attribute__(($cf_attribute))"
1016 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1018 case $cf_attribute in #(vi
1020 cf_printf_attribute=yes
1021 cat >conftest.h <<EOF
1022 #define GCC_$cf_ATTRIBUTE 1
1026 cf_scanf_attribute=yes
1027 cat >conftest.h <<EOF
1028 #define GCC_$cf_ATTRIBUTE 1
1032 cat >conftest.h <<EOF
1033 #define GCC_$cf_ATTRIBUTE $cf_directive
1038 if AC_TRY_EVAL(ac_compile); then
1039 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1040 cat conftest.h >>confdefs.h
1041 case $cf_attribute in #(vi
1043 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1046 cf_value='/* nothing */'
1047 if test "$cf_printf_attribute" != no ; then
1048 cf_value='__attribute__((format(printf,fmt,var)))'
1049 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1051 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1054 cf_value='/* nothing */'
1055 if test "$cf_scanf_attribute" != no ; then
1056 cf_value='__attribute__((format(scanf,fmt,var)))'
1057 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1059 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1062 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1068 fgrep define conftest.i >>confdefs.h
1073 dnl ---------------------------------------------------------------------------
1074 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1076 dnl Find version of gcc
1077 AC_DEFUN([CF_GCC_VERSION],[
1078 AC_REQUIRE([AC_PROG_CC])
1080 if test "$GCC" = yes ; then
1081 AC_MSG_CHECKING(version of $CC)
1082 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1083 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1084 AC_MSG_RESULT($GCC_VERSION)
1087 dnl ---------------------------------------------------------------------------
1088 dnl CF_GCC_WARNINGS version: 31 updated: 2013/11/19 19:23:35
1090 dnl Check if the compiler supports useful warning options. There's a few that
1091 dnl we don't use, simply because they're too noisy:
1093 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1094 dnl -Wredundant-decls (system headers make this too noisy)
1095 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1096 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1097 dnl is enabled for ncurses using "--enable-const".
1101 dnl $1 is an optional list of gcc warning flags that a particular
1102 dnl application might want to use, e.g., "no-unused" for
1105 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1107 AC_DEFUN([CF_GCC_WARNINGS],
1109 AC_REQUIRE([CF_GCC_VERSION])
1110 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1111 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1113 cat > conftest.$ac_ext <<EOF
1114 #line __oline__ "${as_me:-configure}"
1115 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1118 if test "$INTEL_COMPILER" = yes
1120 # The "-wdXXX" options suppress warnings:
1121 # remark #1419: external declaration in primary source file
1122 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1123 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1124 # remark #193: zero used for undefined preprocessing identifier
1125 # remark #593: variable "curs_sb_left_arrow" was set but never used
1126 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1127 # remark #869: parameter "tw" was never referenced
1128 # remark #981: operands are evaluated in unspecified order
1129 # warning #279: controlling expression is constant
1131 AC_CHECKING([for $CC warning options])
1132 cf_save_CFLAGS="$CFLAGS"
1133 EXTRA_CFLAGS="-Wall"
1145 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1146 if AC_TRY_EVAL(ac_compile); then
1147 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1148 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1151 CFLAGS="$cf_save_CFLAGS"
1153 elif test "$GCC" = yes
1155 AC_CHECKING([for $CC warning options])
1156 cf_save_CFLAGS="$CFLAGS"
1159 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1160 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1161 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1162 for cf_opt in W Wall \
1163 Wbad-function-cast \
1166 Wdeclaration-after-statement \
1169 Wmissing-declarations \
1170 Wmissing-prototypes \
1174 Wstrict-prototypes \
1175 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1177 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1178 if AC_TRY_EVAL(ac_compile); then
1179 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1180 case $cf_opt in #(vi
1182 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1185 case $GCC_VERSION in
1187 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1191 Wpointer-arith) #(vi
1192 case $GCC_VERSION in
1194 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1199 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1202 CFLAGS="$cf_save_CFLAGS"
1206 AC_SUBST(EXTRA_CFLAGS)
1208 dnl ---------------------------------------------------------------------------
1209 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1210 dnl -----------------
1211 AC_DEFUN([CF_GNATPREP_OPT_T],[
1212 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1213 cf_cv_gnatprep_opt_t=no
1214 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1216 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1217 AC_SUBST(GNATPREP_OPTS)
1219 dnl ---------------------------------------------------------------------------
1220 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1221 dnl ----------------
1222 AC_DEFUN([CF_GNAT_GENERICS],
1224 AC_REQUIRE([CF_GNAT_VERSION])
1226 AC_MSG_CHECKING(if GNAT supports generics)
1227 case $cf_gnat_version in #(vi
1228 3.[[1-9]]*|[[4-9]].*) #(vi
1229 cf_gnat_generics=yes
1235 AC_MSG_RESULT($cf_gnat_generics)
1237 if test "$cf_gnat_generics" = yes
1239 cf_compile_generics=generics
1240 cf_generic_objects="\${GENOBJS}"
1242 cf_compile_generics=
1246 AC_SUBST(cf_compile_generics)
1247 AC_SUBST(cf_generic_objects)
1249 dnl ---------------------------------------------------------------------------
1250 dnl CF_GNAT_PROJECTS version: 7 updated: 2014/06/01 10:46:34
1251 dnl ----------------
1252 dnl GNAT projects are configured with ".gpr" project files.
1253 dnl GNAT libraries are a further development, using the project feature.
1254 AC_DEFUN([CF_GNAT_PROJECTS],
1256 AC_REQUIRE([CF_GNAT_VERSION])
1257 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1259 cf_gnat_libraries=no
1262 if test "$enable_gnat_projects" != no ; then
1263 AC_MSG_CHECKING(if GNAT supports project files)
1264 case $cf_gnat_version in #(vi
1268 case $cf_cv_system_name in #(vi
1272 mkdir conftest.src conftest.bin conftest.lib
1274 rm -rf conftest* *~conftest*
1275 cat >>library.gpr <<CF_EOF
1277 Kind := External ("LIB_KIND");
1278 for Library_Name use "ConfTest";
1279 for Object_Dir use ".";
1280 for Library_ALI_Dir use External("LIBRARY_DIR");
1281 for Library_Version use External ("SONAME");
1282 for Library_Kind use Kind;
1283 for Library_Dir use External("BUILD_DIR");
1284 Source_Dir := External ("SOURCE_DIR");
1285 for Source_Dirs use (Source_Dir);
1288 cat >>confpackage.ads <<CF_EOF
1289 package ConfPackage is
1293 cat >>confpackage.adb <<CF_EOF
1295 package body ConfPackage is
1296 procedure conftest is
1298 Text_IO.Put ("Hello World");
1303 if ( $cf_ada_make $ADAFLAGS \
1305 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1306 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1307 -XSOURCE_DIR=`pwd` \
1308 -XSONAME=libConfTest.so.1 \
1309 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1310 cf_gnat_projects=yes
1313 if test -f conftest.lib/confpackage.ali
1315 cf_gnat_libraries=yes
1317 rm -rf conftest* *~conftest*
1322 AC_MSG_RESULT($cf_gnat_projects)
1323 fi # enable_gnat_projects
1325 if test $cf_gnat_projects = yes
1327 AC_MSG_CHECKING(if GNAT supports libraries)
1328 AC_MSG_RESULT($cf_gnat_libraries)
1331 if test "$cf_gnat_projects" = yes
1333 USE_OLD_MAKERULES="#"
1334 USE_GNAT_PROJECTS=""
1336 USE_OLD_MAKERULES=""
1337 USE_GNAT_PROJECTS="#"
1340 if test "$cf_gnat_libraries" = yes
1342 USE_GNAT_LIBRARIES=""
1344 USE_GNAT_LIBRARIES="#"
1347 AC_SUBST(USE_OLD_MAKERULES)
1348 AC_SUBST(USE_GNAT_PROJECTS)
1349 AC_SUBST(USE_GNAT_LIBRARIES)
1351 dnl ---------------------------------------------------------------------------
1352 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1354 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1355 dnl is noted that gnat may compile a tasking unit even for configurations which
1356 dnl fail at runtime.
1357 AC_DEFUN([CF_GNAT_SIGINT],[
1358 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1359 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1363 pragma Warnings (Off); -- the next pragma exists since 3.11p
1364 pragma Unreserve_All_Interrupts;
1365 pragma Warnings (On);
1367 protected Process is
1369 function Continue return Boolean;
1370 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1372 Done : Boolean := False;
1376 [package body ConfTest is
1377 protected body Process is
1382 function Continue return Boolean is
1388 [cf_cv_gnat_sigint=yes],
1389 [cf_cv_gnat_sigint=no])])
1391 if test $cf_cv_gnat_sigint = yes ; then
1396 AC_SUBST(USE_GNAT_SIGINT)
1398 dnl ---------------------------------------------------------------------------
1399 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1400 dnl ----------------
1401 dnl Verify that a test program compiles/links with GNAT.
1402 dnl $cf_ada_make is set to the program that compiles/links
1403 dnl $ADAFLAGS may be set to the GNAT flags.
1405 dnl $1 is the text of the spec
1406 dnl $2 is the text of the body
1407 dnl $3 is the shell command to execute if successful
1408 dnl $4 is the shell command to execute if not successful
1409 AC_DEFUN([CF_GNAT_TRY_LINK],
1411 rm -rf conftest* *~conftest*
1412 cat >>conftest.ads <<CF_EOF
1415 cat >>conftest.adb <<CF_EOF
1418 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1419 ifelse($3,, :,[ $3])
1423 rm -rf conftest* *~conftest*
1425 dnl ---------------------------------------------------------------------------
1426 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1428 dnl Verify that a test program compiles and runs with GNAT
1429 dnl $cf_ada_make is set to the program that compiles/links
1430 dnl $ADAFLAGS may be set to the GNAT flags.
1432 dnl $1 is the text of the spec
1433 dnl $2 is the text of the body
1434 dnl $3 is the shell command to execute if successful
1435 dnl $4 is the shell command to execute if not successful
1436 AC_DEFUN([CF_GNAT_TRY_RUN],
1438 rm -rf conftest* *~conftest*
1439 cat >>conftest.ads <<CF_EOF
1442 cat >>conftest.adb <<CF_EOF
1445 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1446 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1447 ifelse($3,, :,[ $3])
1454 rm -rf conftest* *~conftest*
1456 dnl ---------------------------------------------------------------------------
1457 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
1459 dnl Verify version of GNAT.
1460 AC_DEFUN([CF_GNAT_VERSION],
1462 AC_MSG_CHECKING(for gnat version)
1463 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1464 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1465 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1466 AC_MSG_RESULT($cf_gnat_version)
1468 case $cf_gnat_version in #(vi
1469 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
1470 cf_cv_prog_gnat_correct=yes
1473 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1474 cf_cv_prog_gnat_correct=no
1478 dnl ---------------------------------------------------------------------------
1479 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1481 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1482 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1483 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1484 dnl since it is interwoven with GNU extensions.
1486 dnl Well, yes we could work around it...
1487 AC_DEFUN([CF_GNU_SOURCE],
1489 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1490 AC_TRY_COMPILE([#include <sys/types.h>],[
1491 #ifndef _XOPEN_SOURCE
1494 [cf_cv_gnu_source=no],
1495 [cf_save="$CPPFLAGS"
1496 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1497 AC_TRY_COMPILE([#include <sys/types.h>],[
1498 #ifdef _XOPEN_SOURCE
1501 [cf_cv_gnu_source=no],
1502 [cf_cv_gnu_source=yes])
1506 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1508 dnl ---------------------------------------------------------------------------
1509 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1511 dnl Construct a search-list of directories for a nonstandard header-file
1514 dnl $1 = the variable to return as result
1515 dnl $2 = the package name
1516 AC_DEFUN([CF_HEADER_PATH],
1520 # collect the current set of include-directories from compiler flags
1521 cf_header_path_list=""
1522 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1523 for cf_header_path in $CPPFLAGS $CFLAGS
1525 case $cf_header_path in #(vi
1527 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1528 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1529 cf_header_path_list="$cf_header_path_list [$]$1"
1535 # add the variations for the package we are looking for
1536 CF_SUBDIR_PATH($1,$2,include)
1538 test "$includedir" != NONE && \
1539 test "$includedir" != "/usr/include" && \
1540 test -d "$includedir" && {
1541 test -d $includedir && $1="[$]$1 $includedir"
1542 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1545 test "$oldincludedir" != NONE && \
1546 test "$oldincludedir" != "/usr/include" && \
1547 test -d "$oldincludedir" && {
1548 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1549 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1552 $1="[$]$1 $cf_header_path_list"
1554 dnl ---------------------------------------------------------------------------
1555 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1557 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1558 AC_DEFUN([CF_HELP_MESSAGE],
1559 [AC_DIVERT_HELP([$1])dnl
1561 dnl ---------------------------------------------------------------------------
1562 dnl CF_INCLUDE_DIRS version: 9 updated: 2014/07/26 18:54:28
1564 dnl Construct the list of include-options according to whether we're building
1565 dnl in the source directory or using '--srcdir=DIR' option. If we're building
1566 dnl with gcc, don't append the includedir if it happens to be /usr/include,
1567 dnl since that usually breaks gcc's shadow-includes.
1568 AC_DEFUN([CF_INCLUDE_DIRS],
1570 if test "$GCC" != yes; then
1571 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1572 elif test "$includedir" != "/usr/include"; then
1573 if test "$includedir" = '${prefix}/include' ; then
1574 if test x$prefix != x/usr ; then
1575 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1578 CPPFLAGS="-I\${includedir} $CPPFLAGS"
1581 if test "$srcdir" != "."; then
1582 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1584 CPPFLAGS="-I../include $CPPFLAGS"
1585 if test "$srcdir" != "."; then
1586 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1588 CPPFLAGS="-I. $CPPFLAGS"
1591 dnl ---------------------------------------------------------------------------
1592 dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
1593 dnl -----------------
1594 dnl Check if the given compiler is really the Intel compiler for Linux. It
1595 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1596 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1598 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1599 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1600 dnl the wrappers for gcc and g++ warnings.
1602 dnl $1 = GCC (default) or GXX
1603 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1604 dnl $3 = CFLAGS (default) or CXXFLAGS
1605 AC_DEFUN([CF_INTEL_COMPILER],[
1606 AC_REQUIRE([AC_CANONICAL_HOST])
1607 ifelse([$2],,INTEL_COMPILER,[$2])=no
1609 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1612 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1613 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1614 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1616 #ifdef __INTEL_COMPILER
1620 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1621 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1623 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1624 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1629 dnl ---------------------------------------------------------------------------
1630 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1632 dnl Add checks for large file support.
1633 AC_DEFUN([CF_LARGEFILE],[
1634 ifdef([AC_FUNC_FSEEKO],[
1636 if test "$enable_largefile" != no ; then
1639 # Normally we would collect these definitions in the config.h,
1640 # but (like _XOPEN_SOURCE), some environments rely on having these
1641 # defined before any of the system headers are included. Another
1642 # case comes up with C++, e.g., on AIX the compiler compiles the
1643 # header files by themselves before looking at the body files it is
1644 # told to compile. For ncurses, those header files do not include
1646 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1647 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1648 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1650 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1652 #include <sys/types.h>
1655 /* if transitional largefile support is setup, this is true */
1656 extern struct dirent64 * readdir(DIR *);
1657 struct dirent64 *x = readdir((DIR *)0);
1658 struct dirent *y = readdir((DIR *)0);
1661 [cf_cv_struct_dirent64=yes],
1662 [cf_cv_struct_dirent64=no])
1664 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1668 dnl ---------------------------------------------------------------------------
1669 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1671 dnl For the given system and compiler, find the compiler flags to pass to the
1672 dnl loader to use the "rpath" feature.
1673 AC_DEFUN([CF_LD_RPATH_OPT],
1675 AC_REQUIRE([CF_CHECK_CACHE])
1678 AC_MSG_CHECKING(for an rpath option)
1679 case $cf_cv_system_name in #(vi
1681 if test "$GCC" = yes; then
1682 LD_RPATH_OPT="-Wl,-rpath,"
1684 LD_RPATH_OPT="-rpath "
1687 linux*|gnu*|k*bsd*-gnu) #(vi
1688 LD_RPATH_OPT="-Wl,-rpath,"
1690 openbsd[[2-9]].*|mirbsd*) #(vi
1691 LD_RPATH_OPT="-Wl,-rpath,"
1693 dragonfly*|freebsd*) #(vi
1694 LD_RPATH_OPT="-rpath "
1697 LD_RPATH_OPT="-Wl,-rpath,"
1700 LD_RPATH_OPT="-rpath "
1708 AC_MSG_RESULT($LD_RPATH_OPT)
1710 case "x$LD_RPATH_OPT" in #(vi
1712 AC_MSG_CHECKING(if we need a space after rpath option)
1713 cf_save_LIBS="$LIBS"
1714 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1715 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1716 LIBS="$cf_save_LIBS"
1717 AC_MSG_RESULT($cf_rpath_space)
1718 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1722 dnl ---------------------------------------------------------------------------
1723 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1725 dnl Construct a search-list of directories for a nonstandard library-file
1728 dnl $1 = the variable to return as result
1729 dnl $2 = the package name
1730 AC_DEFUN([CF_LIBRARY_PATH],
1733 cf_library_path_list=""
1734 if test -n "${LDFLAGS}${LIBS}" ; then
1735 for cf_library_path in $LDFLAGS $LIBS
1737 case $cf_library_path in #(vi
1739 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1740 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1741 cf_library_path_list="$cf_library_path_list [$]$1"
1747 CF_SUBDIR_PATH($1,$2,lib)
1749 $1="$cf_library_path_list [$]$1"
1751 dnl ---------------------------------------------------------------------------
1752 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1754 dnl Compute the library-prefix for the given host system
1755 dnl $1 = variable to set
1756 define([CF_LIB_PREFIX],
1758 case $cf_cv_system_name in #(vi
1765 ifelse($1,,,[$1=$LIB_PREFIX])
1766 AC_SUBST(LIB_PREFIX)
1768 dnl ---------------------------------------------------------------------------
1769 dnl CF_LIB_SUFFIX version: 23 updated: 2014/06/21 17:47:12
1771 dnl Compute the library file-suffix from the given model name
1773 dnl $2 = variable to set (the nominal library suffix)
1774 dnl $3 = dependency variable to set (actual filename)
1775 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1776 AC_DEFUN([CF_LIB_SUFFIX],
1792 case $cf_cv_system_name in
1797 cygwin*|msys*|mingw*) #(vi
1828 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1829 test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1831 dnl ---------------------------------------------------------------------------
1832 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1834 dnl Compute the string to append to -library from the given model name
1836 dnl $2 = variable to set
1837 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1838 AC_DEFUN([CF_LIB_TYPE],
1847 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1849 dnl ---------------------------------------------------------------------------
1850 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1851 dnl ----------------
1852 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1853 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1854 dnl have to provide wrappers for global tables to ensure they're linked
1856 AC_DEFUN([CF_LINK_DATAONLY],
1858 AC_MSG_CHECKING([if data-only library module links])
1859 AC_CACHE_VAL(cf_cv_link_dataonly,[
1861 cat >conftest.$ac_ext <<EOF
1862 #line __oline__ "configure"
1863 int testdata[[3]] = { 123, 456, 789 };
1865 if AC_TRY_EVAL(ac_compile) ; then
1866 mv conftest.o data.o && \
1867 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1869 rm -f conftest.$ac_ext data.o
1870 cat >conftest.$ac_ext <<EOF
1871 #line __oline__ "configure"
1875 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1877 extern int testdata[[3]];
1878 return testdata[[0]] == 123
1879 && testdata[[1]] == 456
1880 && testdata[[2]] == 789;
1884 if AC_TRY_EVAL(ac_compile); then
1885 mv conftest.o func.o && \
1886 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1888 rm -f conftest.$ac_ext func.o
1889 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1891 LIBS="conftest.a $LIBS"
1895 extern int testfunc();
1896 ${cf_cv_main_return:-return} (!testfunc());
1899 [cf_cv_link_dataonly=yes],
1900 [cf_cv_link_dataonly=no],
1901 [cf_cv_link_dataonly=unknown])
1904 AC_MSG_RESULT($cf_cv_link_dataonly)
1906 if test "$cf_cv_link_dataonly" = no ; then
1907 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1912 dnl ---------------------------------------------------------------------------
1913 dnl CF_MAKEFLAGS version: 15 updated: 2014/05/10 16:43:23
1915 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1916 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1917 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1918 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1919 AC_DEFUN([CF_MAKEFLAGS],
1921 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1923 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1925 cat >cf_makeflags.tmp <<CF_EOF
1928 @ echo '.$cf_option'
1930 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1931 case "$cf_result" in
1933 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1934 case "$cf_result" in
1935 .*CC=*) cf_cv_makeflags=
1937 *) cf_cv_makeflags=$cf_option
1943 *) echo "given option \"$cf_option\", no match \"$cf_result\""
1947 rm -f cf_makeflags.tmp
1950 AC_SUBST(cf_cv_makeflags)
1952 dnl ---------------------------------------------------------------------------
1953 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1955 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
1956 dnl a monocase filesystem.
1957 AC_DEFUN([CF_MAKE_TAGS],[
1958 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1960 AC_CHECK_PROGS(CTAGS, exctags ctags)
1961 AC_CHECK_PROGS(ETAGS, exetags etags)
1963 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1965 if test "$cf_cv_mixedcase" = yes ; then
1966 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1971 if test "$MAKE_UPPER_TAGS" = yes ; then
1977 if test "$MAKE_LOWER_TAGS" = yes ; then
1986 AC_SUBST(MAKE_UPPER_TAGS)
1987 AC_SUBST(MAKE_LOWER_TAGS)
1989 dnl ---------------------------------------------------------------------------
1990 dnl CF_MIXEDCASE_FILENAMES version: 6 updated: 2013/10/08 17:47:05
1991 dnl ----------------------
1992 dnl Check if the file-system supports mixed-case filenames. If we're able to
1993 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1994 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1996 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1997 if test "$cross_compiling" = yes ; then
1998 case $target_alias in #(vi
1999 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) #(vi
2007 rm -f conftest CONFTEST
2009 if test -f CONFTEST ; then
2014 rm -f conftest CONFTEST
2017 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2019 dnl ---------------------------------------------------------------------------
2020 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2022 dnl Check for a working mkstemp. This creates two files, checks that they are
2023 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2024 AC_DEFUN([CF_MKSTEMP],[
2025 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2028 #include <sys/types.h>
2032 #include <sys/stat.h>
2035 char *tmpl = "conftestXXXXXX";
2043 for (n = 0; n < 2; ++n) {
2044 strcpy(name[n], tmpl);
2045 if ((fd = mkstemp(name[n])) >= 0) {
2046 if (!strcmp(name[n], tmpl)
2047 || stat(name[n], &sb) != 0
2048 || (sb.st_mode & S_IFMT) != S_IFREG
2049 || (sb.st_mode & 077) != 0) {
2056 && !strcmp(name[0], name[1]))
2058 ${cf_cv_main_return:-return}(result);
2060 ],[cf_cv_func_mkstemp=yes
2061 ],[cf_cv_func_mkstemp=no
2062 ],[cf_cv_func_mkstemp=maybe])
2064 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2065 AC_CHECK_FUNC(mkstemp)
2067 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2068 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2071 dnl ---------------------------------------------------------------------------
2072 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2074 dnl Write a debug message to config.log, along with the line number in the
2075 dnl configure script.
2076 AC_DEFUN([CF_MSG_LOG],[
2077 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2079 dnl ---------------------------------------------------------------------------
2080 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2081 dnl ----------------
2082 dnl Configure an ncurses add-on, built outside the ncurses tree.
2083 AC_DEFUN([CF_NCURSES_ADDON],[
2085 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2087 AC_MSG_CHECKING(if you want wide-character code)
2088 AC_ARG_ENABLE(widec,
2089 [ --enable-widec compile with wide-char/UTF-8 code],
2090 [with_widec=$enableval],
2092 AC_MSG_RESULT($with_widec)
2093 if test "$with_widec" = yes ; then
2095 CF_NCURSES_CONFIG(ncursesw)
2097 CF_NCURSES_CONFIG(ncurses)
2100 if test "$NCURSES_CONFIG" != none ; then
2102 cf_version=`$NCURSES_CONFIG --version`
2104 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2105 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2106 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2108 # ABI version is not available from headers
2109 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2113 for cf_name in MAJOR MINOR PATCH
2115 cat >conftest.$ac_ext <<CF_EOF
2116 #include <${cf_cv_ncurses_header:-curses.h}>
2117 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2119 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2121 if test -f conftest.out ; then
2122 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2123 eval NCURSES_$cf_name=\"$cf_result\"
2124 # cat conftest.$ac_ext
2129 cf_cv_abi_version=${NCURSES_MAJOR}
2133 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2135 dnl Show the computed version, for logging
2136 cf_cv_timestamp=`date`
2138 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2140 dnl We need these values in the generated headers
2141 AC_SUBST(NCURSES_MAJOR)
2142 AC_SUBST(NCURSES_MINOR)
2143 AC_SUBST(NCURSES_PATCH)
2145 dnl We need these values in the generated makefiles
2146 AC_SUBST(cf_cv_rel_version)
2147 AC_SUBST(cf_cv_abi_version)
2149 dnl FIXME - not needed for Ada95
2150 AC_SUBST(cf_cv_builtin_bool)
2151 AC_SUBST(cf_cv_header_stdbool_h)
2152 AC_SUBST(cf_cv_type_of_bool)dnl
2155 dnl ---------------------------------------------------------------------------
2156 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2157 dnl -------------------
2158 dnl Check if we can compile with ncurses' header file
2159 dnl $1 is the cache variable to set
2160 dnl $2 is the header-file to include
2161 dnl $3 is the root name (ncurses or ncursesw)
2162 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2164 ]ifelse($3,ncursesw,[
2165 #define _XOPEN_SOURCE_EXTENDED
2166 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2167 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2170 #ifdef NCURSES_VERSION
2171 ]ifelse($3,ncursesw,[
2176 printf("%s\n", NCURSES_VERSION);
2188 dnl ---------------------------------------------------------------------------
2189 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2190 dnl -----------------
2191 dnl Tie together the configure-script macros for ncurses.
2192 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2193 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2195 dnl $1 is the root library name (default: "ncurses")
2196 AC_DEFUN([CF_NCURSES_CONFIG],
2198 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2200 echo "Looking for ${cf_ncuconfig_root}-config"
2202 CF_ACVERSION_CHECK(2.52,
2203 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2204 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2206 if test "$NCURSES_CONFIG" != none ; then
2208 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2209 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2211 # even with config script, some packages use no-override for curses.h
2212 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2214 dnl like CF_NCURSES_CPPFLAGS
2215 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2217 dnl like CF_NCURSES_LIBS
2218 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2219 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2221 dnl like CF_NCURSES_VERSION
2222 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2226 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2227 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2231 dnl ---------------------------------------------------------------------------
2232 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2233 dnl -------------------
2234 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2235 dnl the CPPFLAGS variable so we can include its header.
2237 dnl The header files may be installed as either curses.h, or ncurses.h (would
2238 dnl be obsolete, except that some packagers prefer this name to distinguish it
2239 dnl from a "native" curses implementation). If not installed for overwrite,
2240 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2241 dnl /usr/include/ncurses), but someone may have installed overwriting the
2242 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2243 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2246 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2247 dnl is already in the include-path, don't even bother with this, since we cannot
2248 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2250 dnl The optional parameter gives the root name of the library, in case it is
2251 dnl not installed as the default curses library. That is how the
2252 dnl wide-character version of ncurses is installed.
2253 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2254 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2256 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2257 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2259 test -n "$cf_cv_curses_dir" && \
2260 test "$cf_cv_curses_dir" != "no" && { \
2261 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2264 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2265 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2266 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2267 for cf_header in $cf_header_list
2269 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2270 test "$cf_cv_ncurses_h" != no && break
2277 # some applications need this, but should check for NCURSES_VERSION
2278 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2282 dnl ---------------------------------------------------------------------------
2283 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2284 dnl -----------------
2285 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2286 dnl variations of ncurses' installs.
2288 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2289 AC_DEFUN([CF_NCURSES_HEADER],[
2291 if test "$cf_cv_ncurses_h" != no ; then
2292 cf_cv_ncurses_header=$cf_cv_ncurses_h
2295 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2296 test -n "$verbose" && echo
2297 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2298 test -n "$verbose" && echo search path $cf_search
2299 cf_save2_CPPFLAGS="$CPPFLAGS"
2300 for cf_incdir in $cf_search
2302 CF_ADD_INCDIR($cf_incdir)
2307 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2308 if test "$cf_cv_ncurses_h2" != no ; then
2309 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2310 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2313 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2315 CPPFLAGS="$cf_save2_CPPFLAGS"
2316 test "$cf_cv_ncurses_h2" != no && break
2318 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2321 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2322 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2323 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2324 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2326 CF_ADD_INCDIR($cf_1st_incdir)
2330 # Set definitions to allow ifdef'ing for ncurses.h
2332 case $cf_cv_ncurses_header in # (vi
2334 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2338 case $cf_cv_ncurses_header in # (vi
2339 ncurses/curses.h|ncurses/ncurses.h)
2340 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2342 ncursesw/curses.h|ncursesw/ncurses.h)
2343 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2348 dnl ---------------------------------------------------------------------------
2349 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2351 dnl Look for the ncurses library. This is a little complicated on Linux,
2352 dnl because it may be linked with the gpm (general purpose mouse) library.
2353 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2354 dnl unusable with ncurses. However, we don't want to link with gpm unless
2355 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2356 dnl and the linker will record a dependency.
2358 dnl The optional parameter gives the root name of the library, in case it is
2359 dnl not installed as the default curses library. That is how the
2360 dnl wide-character version of ncurses is installed.
2361 AC_DEFUN([CF_NCURSES_LIBS],
2362 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2364 cf_nculib_root=ifelse($1,,ncurses,$1)
2365 # This works, except for the special case where we find gpm, but
2366 # ncurses is in a nonstandard location via $LIBS, and we really want
2369 cf_ncurses_SAVE="$LIBS"
2370 AC_CHECK_LIB(gpm,Gpm_Open,
2371 [AC_CHECK_LIB(gpm,initscr,
2372 [LIBS="$cf_ncurses_SAVE"],
2373 [cf_ncurses_LIBS="-lgpm"])])
2375 case $host_os in #(vi
2377 # This is only necessary if you are linking against an obsolete
2378 # version of ncurses (but it should do no harm, since it's static).
2379 if test "$cf_nculib_root" = ncurses ; then
2380 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2385 CF_ADD_LIBS($cf_ncurses_LIBS)
2387 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2389 CF_ADD_LIBS(-l$cf_nculib_root)
2391 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2392 [#include <${cf_cv_ncurses_header:-curses.h}>],
2397 if test -n "$cf_ncurses_LIBS" ; then
2398 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2399 cf_ncurses_SAVE="$LIBS"
2400 for p in $cf_ncurses_LIBS ; do
2401 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2402 if test "$q" != "$LIBS" ; then
2406 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2407 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2408 [AC_MSG_RESULT(yes)],
2410 LIBS="$cf_ncurses_SAVE"])
2413 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2414 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2416 dnl ---------------------------------------------------------------------------
2417 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2418 dnl ------------------
2419 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2420 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2421 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2422 AC_DEFUN([CF_NCURSES_VERSION],
2424 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2425 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2426 cf_cv_ncurses_version=no
2430 #include <${cf_cv_ncurses_header:-curses.h}>
2434 FILE *fp = fopen("$cf_tempfile", "w");
2435 #ifdef NCURSES_VERSION
2436 # ifdef NCURSES_VERSION_PATCH
2437 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2439 fprintf(fp, "%s\n", NCURSES_VERSION);
2443 fprintf(fp, "old\n");
2448 ${cf_cv_main_return:-return}(0);
2450 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2452 # This will not work if the preprocessor splits the line after the
2453 # Autoconf token. The 'unproto' program does that.
2454 cat > conftest.$ac_ext <<EOF
2455 #include <${cf_cv_ncurses_header:-curses.h}>
2457 #ifdef NCURSES_VERSION
2458 Autoconf NCURSES_VERSION
2466 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2468 if test -f conftest.out ; then
2469 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2470 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2476 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2478 dnl ---------------------------------------------------------------------------
2479 dnl CF_OBJ_SUBDIR version: 6 updated: 2013/09/07 14:06:10
2481 dnl Compute the object-directory name from the given model name
2482 AC_DEFUN([CF_OBJ_SUBDIR],
2485 libtool) $2='obj_lo' ;;
2486 normal) $2='objects' ;;
2487 debug) $2='obj_g' ;;
2488 profile) $2='obj_p' ;;
2490 case $cf_cv_system_name in #(vi
2498 dnl ---------------------------------------------------------------------------
2499 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2501 dnl Provide a value for the $PATH and similar separator (or amend the value
2502 dnl as provided in autoconf 2.5x).
2503 AC_DEFUN([CF_PATHSEP],
2505 AC_MSG_CHECKING(for PATH separator)
2506 case $cf_cv_system_name in
2507 os2*) PATH_SEPARATOR=';' ;;
2508 *) ${PATH_SEPARATOR:=':'} ;;
2510 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2511 AC_SUBST(PATH_SEPARATOR)
2512 AC_MSG_RESULT($PATH_SEPARATOR)
2514 dnl ---------------------------------------------------------------------------
2515 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2517 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2518 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2519 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2520 dnl delayed evaluation of those symbols.
2521 AC_DEFUN([CF_PATH_SYNTAX],[
2522 if test "x$prefix" != xNONE; then
2523 cf_path_syntax="$prefix"
2525 cf_path_syntax="$ac_default_prefix"
2528 case ".[$]$1" in #(vi
2529 .\[$]\(*\)*|.\'*\'*) #(vi
2533 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2535 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2537 case ".[$]$1" in #(vi
2539 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2544 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2547 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2551 dnl ---------------------------------------------------------------------------
2552 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2554 dnl Check for the package-config program, unless disabled by command-line.
2555 AC_DEFUN([CF_PKG_CONFIG],
2557 AC_MSG_CHECKING(if you want to use pkg-config)
2558 AC_ARG_WITH(pkg-config,
2559 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2560 [cf_pkg_config=$withval],
2561 [cf_pkg_config=yes])
2562 AC_MSG_RESULT($cf_pkg_config)
2564 case $cf_pkg_config in #(vi
2569 CF_ACVERSION_CHECK(2.52,
2570 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2571 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2578 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2579 if test "$PKG_CONFIG" != none ; then
2580 CF_PATH_SYNTAX(PKG_CONFIG)
2583 AC_SUBST(PKG_CONFIG)
2585 dnl ---------------------------------------------------------------------------
2586 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2587 dnl -----------------
2588 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2590 dnl POSIX.1-1990 _POSIX_SOURCE
2591 dnl POSIX.1-1990 and _POSIX_SOURCE and
2592 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2594 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2595 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2596 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2599 dnl $1 is the nominal value for _POSIX_C_SOURCE
2600 AC_DEFUN([CF_POSIX_C_SOURCE],
2602 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2604 cf_save_CFLAGS="$CFLAGS"
2605 cf_save_CPPFLAGS="$CPPFLAGS"
2607 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2608 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2610 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2611 CF_MSG_LOG(if the symbol is already defined go no further)
2612 AC_TRY_COMPILE([#include <sys/types.h>],[
2613 #ifndef _POSIX_C_SOURCE
2616 [cf_cv_posix_c_source=no],
2617 [cf_want_posix_source=no
2618 case .$cf_POSIX_C_SOURCE in #(vi
2620 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2623 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2624 cf_want_posix_source=yes
2627 cf_want_posix_source=yes
2630 if test "$cf_want_posix_source" = yes ; then
2631 AC_TRY_COMPILE([#include <sys/types.h>],[
2632 #ifdef _POSIX_SOURCE
2635 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2637 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2638 CFLAGS="$cf_trim_CFLAGS"
2639 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2640 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2641 AC_TRY_COMPILE([#include <sys/types.h>],[
2642 #ifndef _POSIX_C_SOURCE
2645 [cf_cv_posix_c_source=no])
2646 CFLAGS="$cf_save_CFLAGS"
2647 CPPFLAGS="$cf_save_CPPFLAGS"
2651 if test "$cf_cv_posix_c_source" != no ; then
2652 CFLAGS="$cf_trim_CFLAGS"
2653 CPPFLAGS="$cf_trim_CPPFLAGS"
2654 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2658 dnl ---------------------------------------------------------------------------
2659 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2661 dnl Check for archiver "ar".
2662 AC_DEFUN([CF_PROG_AR],[
2663 AC_CHECK_TOOL(AR, ar, ar)
2665 dnl ---------------------------------------------------------------------------
2666 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2668 dnl Check for awk, ensure that the check found something.
2669 AC_DEFUN([CF_PROG_AWK],
2672 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2674 dnl ---------------------------------------------------------------------------
2675 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2677 dnl standard check for CC, plus followup sanity checks
2678 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2679 AC_DEFUN([CF_PROG_CC],[
2680 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2682 CF_ACVERSION_CHECK(2.52,
2687 dnl ---------------------------------------------------------------------------
2688 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2690 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2691 dnl the output file can be renamed, and allows for a shell variable that can
2692 dnl be used later. The parameter is either CC or CXX. The result is the
2694 dnl $cf_cv_prog_CC_c_o
2695 dnl $cf_cv_prog_CXX_c_o
2696 AC_DEFUN([CF_PROG_CC_C_O],
2697 [AC_REQUIRE([AC_PROG_CC])dnl
2698 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2699 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2701 cat > conftest.$ac_ext <<CF_EOF
2705 ${cf_cv_main_return:-return}(0);
2708 # We do the test twice because some compilers refuse to overwrite an
2709 # existing .o file with -o, though they will create one.
2710 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2711 if AC_TRY_EVAL(ac_try) &&
2712 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2714 eval cf_cv_prog_$1_c_o=yes
2716 eval cf_cv_prog_$1_c_o=no
2720 if test $cf_cv_prog_$1_c_o = yes; then
2721 AC_MSG_RESULT([yes])
2726 dnl ---------------------------------------------------------------------------
2727 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2729 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2730 dnl This macro adds a check to ensure the script found something.
2731 AC_DEFUN([CF_PROG_EGREP],
2732 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2733 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2734 then ac_cv_prog_egrep='grep -E'
2735 else ac_cv_prog_egrep='egrep'
2737 EGREP=$ac_cv_prog_egrep
2739 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2741 dnl ---------------------------------------------------------------------------
2742 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2744 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2745 AC_DEFUN([CF_PROG_EXT],
2747 AC_REQUIRE([CF_CHECK_CACHE])
2748 case $cf_cv_system_name in
2750 CFLAGS="$CFLAGS -Zmt"
2751 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2752 CXXFLAGS="$CXXFLAGS -Zmt"
2753 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2754 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2764 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2766 dnl ---------------------------------------------------------------------------
2767 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2769 dnl Check for gnatmake, ensure that it is complete.
2770 AC_DEFUN([CF_PROG_GNAT],[
2771 cf_ada_make=gnatmake
2772 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2773 if test "$ac_cv_prog_gnat_exists" = no; then
2775 cf_cv_prog_gnat_correct=no
2778 AC_CHECK_PROG(M4_exists, m4, yes, no)
2779 if test "$ac_cv_prog_M4_exists" = no; then
2780 cf_cv_prog_gnat_correct=no
2781 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2783 if test "$cf_cv_prog_gnat_correct" = yes; then
2784 AC_MSG_CHECKING(if GNAT works)
2785 CF_GNAT_TRY_RUN([procedure conftest;],
2788 procedure conftest is
2790 Text_IO.Put ("Hello World");
2792 GNAT.OS_Lib.OS_Exit (0);
2793 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2794 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2798 AC_SUBST(cf_ada_make)
2800 dnl ---------------------------------------------------------------------------
2801 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2803 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2804 dnl option if it is supported.
2805 AC_DEFUN([CF_PROG_LN_S],[
2807 AC_MSG_CHECKING(if $LN_S -f options work)
2809 rm -f conf$$.src conf$$dst
2811 echo first >conf$$.src
2812 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2817 rm -f conf$$.dst conf$$src
2818 AC_MSG_RESULT($cf_prog_ln_sf)
2820 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2822 dnl ---------------------------------------------------------------------------
2823 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2824 dnl ----------------
2825 dnl Remove all -U and -D options that refer to the given symbol from a list
2826 dnl of C compiler options. This works around the problem that not all
2827 dnl compilers process -U and -D options from left-to-right, so a -U option
2828 dnl cannot be used to cancel the effect of a preceding -D option.
2830 dnl $1 = target (which could be the same as the source variable)
2831 dnl $2 = source (including '$')
2832 dnl $3 = symbol to remove
2833 define([CF_REMOVE_DEFINE],
2836 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2837 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2839 dnl ---------------------------------------------------------------------------
2840 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2842 dnl Remove the given library from the symbol
2844 dnl $1 = target (which could be the same as the source variable)
2845 dnl $2 = source (including '$')
2846 dnl $3 = library to remove
2847 define([CF_REMOVE_LIB],
2849 # remove $3 library from $2
2850 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2852 dnl ---------------------------------------------------------------------------
2853 dnl CF_SHARED_OPTS version: 84 updated: 2013/11/03 06:26:10
2856 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2860 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2861 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2862 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2863 dnl shared library since that can lead to unexpected results at runtime.
2864 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2865 dnl libraries are compiled in ../../lib
2867 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2868 dnl to install symbolic links to the rel/abi versions of shared libraries.
2870 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2871 dnl version when making symbolic links.
2873 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2874 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2875 dnl (ex: libncurses.so.<ver>).
2877 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2878 AC_DEFUN([CF_SHARED_OPTS],
2880 AC_REQUIRE([CF_LD_RPATH_OPT])
2885 INSTALL_LIB="-m 644"
2886 : ${rel_builddir:=.}
2894 cf_cv_do_symlinks=no
2896 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2898 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2899 AC_ARG_WITH(shlib-version,
2900 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2901 [test -z "$withval" && withval=auto
2902 case $withval in #(vi
2904 cf_cv_shlib_version=auto
2906 rel|abi|auto|no) #(vi
2907 cf_cv_shlib_version=$withval
2910 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2913 ],[cf_cv_shlib_version=auto])
2914 AC_MSG_RESULT($cf_cv_shlib_version)
2919 # Some less-capable ports of gcc support only -fpic
2921 if test "$GCC" = yes
2923 AC_MSG_CHECKING(which $CC option to use)
2924 cf_save_CFLAGS="$CFLAGS"
2925 for CC_SHARED_OPTS in -fPIC -fpic ''
2927 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2928 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2930 AC_MSG_RESULT($CC_SHARED_OPTS)
2931 CFLAGS="$cf_save_CFLAGS"
2934 cf_cv_shlib_version_infix=no
2936 case $cf_cv_system_name in #(vi
2937 aix4.[3-9]*|aix[[5-7]]*) #(vi
2938 if test "$GCC" = yes; then
2940 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2942 # CC_SHARED_OPTS='-qpic=large -G'
2943 # perhaps "-bM:SRE -bnoentry -bexpall"
2944 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2948 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2952 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2953 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2954 cf_cv_shlib_version=cygdll
2955 cf_cv_shlib_version_infix=cygdll
2958 cat >mk_shared_lib.sh <<-CF_EOF
2961 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2964 Linking shared library
2965 ** SHARED_LIB \[$]SHARED_LIB
2966 ** IMPORT_LIB \[$]IMPORT_LIB
2968 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2970 chmod +x mk_shared_lib.sh
2974 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2975 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2976 cf_cv_shlib_version=msysdll
2977 cf_cv_shlib_version_infix=msysdll
2980 cat >mk_shared_lib.sh <<-CF_EOF
2983 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2986 Linking shared library
2987 ** SHARED_LIB \[$]SHARED_LIB
2988 ** IMPORT_LIB \[$]IMPORT_LIB
2990 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2992 chmod +x mk_shared_lib.sh
2995 cf_try_cflags="no-cpp-precomp"
2996 CC_SHARED_OPTS="-dynamic"
2997 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2998 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2999 cf_cv_shlib_version_infix=yes
3000 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3001 cf_save_LDFLAGS=$LDFLAGS
3002 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3003 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3004 LDFLAGS=$cf_save_LDFLAGS])
3005 if test $cf_cv_ldflags_search_paths_first = yes; then
3006 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3010 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3011 if test "$GCC" != yes; then
3014 MK_SHARED_LIB='${LD} -b -o $[@]'
3015 INSTALL_LIB="-m 555"
3018 # (tested with gcc 2.7.2 -- I don't have c89)
3019 if test "$GCC" = yes; then
3020 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3023 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3025 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3026 # HP-UX shared libraries must be executable, and should be
3027 # readonly to exploit a quirk in the memory manager.
3028 INSTALL_LIB="-m 555"
3031 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3032 if test "$cf_cv_shlib_version" = rel; then
3033 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3035 cf_shared_soname='`basename $@`'
3038 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3041 if test "$cf_cv_enable_rpath" = yes ; then
3042 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3044 # tested with IRIX 5.2 and 'cc'.
3045 if test "$GCC" != yes; then
3046 CC_SHARED_OPTS='-KPIC'
3047 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3049 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3051 cf_cv_rm_so_locs=yes
3053 linux*|gnu*|k*bsd*-gnu) #(vi
3054 if test "$DFT_LWR_MODEL" = "shared" ; then
3055 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3056 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3058 if test "$cf_cv_enable_rpath" = yes ; then
3059 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3062 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3065 cf_cv_shlib_version=mingw
3066 cf_cv_shlib_version_infix=mingw
3069 if test "$DFT_LWR_MODEL" = "shared" ; then
3070 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3071 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3072 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3075 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3076 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3077 cat >mk_shared_lib.sh <<-CF_EOF
3080 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3083 Linking shared library
3084 ** SHARED_LIB \[$]SHARED_LIB
3085 ** IMPORT_LIB \[$]IMPORT_LIB
3087 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3089 chmod +x mk_shared_lib.sh
3091 openbsd[[2-9]].*|mirbsd*) #(vi
3092 if test "$DFT_LWR_MODEL" = "shared" ; then
3093 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3094 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3096 if test "$cf_cv_enable_rpath" = yes ; then
3097 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3099 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3101 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3103 nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3104 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3105 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3106 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3108 dragonfly*|freebsd*) #(vi
3109 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3110 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3111 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3112 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3113 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3116 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3119 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3120 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3121 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3122 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3123 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3124 if test "$cf_cv_shlib_version" = auto; then
3125 if test -f /usr/libexec/ld.elf_so; then
3126 cf_cv_shlib_version=abi
3128 cf_cv_shlib_version=rel
3132 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3134 MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3138 # tested with OSF/1 V3.2 and 'cc'
3139 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3140 # link with shared libs).
3141 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3142 case $host_os in #(vi
3144 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3147 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3148 if test "$DFT_LWR_MODEL" = "shared" ; then
3149 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3150 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3152 cf_cv_rm_so_locs=yes
3154 sco3.2v5*) # (also uw2* and UW7: hops 13-Apr-98
3155 # tested with osr5.0.5
3156 if test "$GCC" != yes; then
3157 CC_SHARED_OPTS='-belf -KPIC'
3159 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3160 if test "$cf_cv_enable_rpath" = yes ; then
3161 # only way is to set LD_RUN_PATH but no switch for it
3164 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3165 LINK_PROGS='LD_RUN_PATH=${libdir}'
3166 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3169 # tested with SunOS 4.1.1 and gcc 2.7.0
3170 if test "$GCC" != yes; then
3171 CC_SHARED_OPTS='-KPIC'
3173 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3174 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3177 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3178 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3179 if test "$DFT_LWR_MODEL" = "shared" ; then
3180 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3181 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3183 if test "$cf_cv_enable_rpath" = yes ; then
3184 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3187 if test "$GCC" != yes; then
3188 cf_save_CFLAGS="$CFLAGS"
3189 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3191 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3192 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3194 CFLAGS="$cf_save_CFLAGS"
3195 CC_SHARED_OPTS=$cf_shared_opts
3196 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3198 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3201 sysv5uw7*|unix_sv*) #(vi
3202 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3203 if test "$GCC" != yes; then
3204 CC_SHARED_OPTS='-KPIC'
3206 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3209 CC_SHARED_OPTS='unknown'
3210 MK_SHARED_LIB='echo unknown'
3214 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3215 case "$cf_cv_shlib_version" in #(vi
3217 case "$MK_SHARED_LIB" in #(vi
3219 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3222 AC_MSG_WARN(ignored --with-shlib-version)
3228 if test -n "$cf_try_cflags"
3230 cat > conftest.$ac_ext <<EOF
3231 #line __oline__ "${as_me:-configure}"
3233 int main(int argc, char *argv[[]])
3236 return (argv[[argc-1]] == 0) ;
3239 cf_save_CFLAGS="$CFLAGS"
3240 for cf_opt in $cf_try_cflags
3242 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3243 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3244 if AC_TRY_EVAL(ac_compile); then
3246 cf_save_CFLAGS="$CFLAGS"
3251 CFLAGS="$cf_save_CFLAGS"
3255 # RPATH_LIST is a colon-separated list of directories
3256 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3257 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3259 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3261 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3262 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3264 AC_SUBST(CC_SHARED_OPTS)
3265 AC_SUBST(LD_RPATH_OPT)
3266 AC_SUBST(LD_SHARED_OPTS)
3267 AC_SUBST(MK_SHARED_LIB)
3268 AC_SUBST(RM_SHARED_OPTS)
3270 AC_SUBST(LINK_PROGS)
3271 AC_SUBST(LINK_TESTS)
3273 AC_SUBST(EXTRA_LDFLAGS)
3274 AC_SUBST(LOCAL_LDFLAGS)
3275 AC_SUBST(LOCAL_LDFLAGS2)
3277 AC_SUBST(INSTALL_LIB)
3278 AC_SUBST(RPATH_LIST)
3280 dnl ---------------------------------------------------------------------------
3281 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3282 dnl ----------------
3283 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3284 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3287 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3288 dnl If missing, use "rel".
3289 define([CF_SHARED_SONAME],
3291 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3292 if test "$cf_cv_shlib_version" = rel; then
3293 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3295 cf_cv_shared_soname='`basename $[@]`'
3298 dnl ---------------------------------------------------------------------------
3299 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3301 dnl Remove "-g" option from the compiler options
3302 AC_DEFUN([CF_STRIP_G_OPT],
3303 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3304 dnl ---------------------------------------------------------------------------
3305 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3307 dnl Construct a search-list for a nonstandard header/lib-file
3308 dnl $1 = the variable to return as result
3309 dnl $2 = the package name
3310 dnl $3 = the subdirectory, e.g., bin, include or lib
3311 AC_DEFUN([CF_SUBDIR_PATH],
3315 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3316 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3317 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3318 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3319 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3321 dnl ---------------------------------------------------------------------------
3322 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3324 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3325 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3326 dnl but some packagers change this, breaking various applications.
3327 AC_DEFUN([CF_TERM_HEADER],[
3328 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3329 case ${cf_cv_ncurses_header} in #(vi
3330 */ncurses.h|*/ncursesw.h) #(vi
3331 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3334 cf_term_header=term.h
3338 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3340 AC_TRY_COMPILE([#include <stdio.h>
3341 #include <${cf_cv_ncurses_header:-curses.h}>
3343 ],[int x = auto_left_margin],[
3344 cf_cv_term_header="$cf_test"],[
3345 cf_cv_term_header=unknown
3347 test "$cf_cv_term_header" != unknown && break
3351 # Set definitions to allow ifdef'ing to accommodate subdirectories
3353 case $cf_cv_term_header in # (vi
3355 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3359 case $cf_cv_term_header in # (vi
3360 ncurses/term.h) #(vi
3361 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3364 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3368 dnl ---------------------------------------------------------------------------
3369 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3371 dnl Define a top_builddir symbol, for applications that need an absolute path.
3372 AC_DEFUN([CF_TOP_BUILDDIR],
3374 top_builddir=ifelse($1,,`pwd`,$1)
3375 AC_SUBST(top_builddir)
3377 dnl ---------------------------------------------------------------------------
3378 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3379 dnl -------------------
3380 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3381 dnl can define it successfully.
3382 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3383 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3387 #include <sys/types.h>
3389 #ifndef _XOPEN_SOURCE
3392 [cf_cv_xopen_source=no],
3393 [cf_save="$CPPFLAGS"
3394 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3398 #include <sys/types.h>
3400 #ifdef _XOPEN_SOURCE
3403 [cf_cv_xopen_source=no],
3404 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3409 if test "$cf_cv_xopen_source" != no ; then
3410 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3411 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3412 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3413 CF_ADD_CFLAGS($cf_temp_xopen_source)
3416 dnl ---------------------------------------------------------------------------
3417 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3419 dnl Make an uppercase version of a variable
3420 dnl $1=uppercase($2)
3421 AC_DEFUN([CF_UPPER],
3423 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3425 dnl ---------------------------------------------------------------------------
3426 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3428 dnl Check for multibyte support, and if not found, utf8 compatibility library
3429 AC_DEFUN([CF_UTF8_LIB],
3431 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3432 cf_save_LIBS="$LIBS"
3434 #include <stdlib.h>],[putwc(0,0);],
3435 [cf_cv_utf8_lib=yes],
3437 #include <libutf8.h>],[putwc(0,0);],utf8,
3438 [cf_cv_utf8_lib=add-on],
3439 [cf_cv_utf8_lib=no])
3442 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3444 if test "$cf_cv_utf8_lib" = "add-on" ; then
3445 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3446 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3447 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3448 CF_ADD_LIBS($cf_cv_library_file_utf8)
3451 dnl ---------------------------------------------------------------------------
3452 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3454 dnl Use AC_VERBOSE w/o the warnings
3455 AC_DEFUN([CF_VERBOSE],
3456 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3459 dnl ---------------------------------------------------------------------------
3460 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3462 dnl Check for compiler-support for weak symbols.
3463 dnl This works with "recent" gcc.
3464 AC_DEFUN([CF_WEAK_SYMBOLS],[
3465 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3468 #include <stdio.h>],
3470 #if defined(__GNUC__)
3471 # if defined __USE_ISOC99
3472 # define _cat_pragma(exp) _Pragma(#exp)
3473 # define _weak_pragma(exp) _cat_pragma(weak name)
3475 # define _weak_pragma(exp)
3477 # define _declare(name) __extension__ extern __typeof__(name) name
3478 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3482 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3485 dnl ---------------------------------------------------------------------------
3486 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3487 dnl --------------------
3488 dnl Command-line option to specify the Ada95 compiler.
3489 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3490 AC_MSG_CHECKING(for ada-compiler)
3491 AC_ARG_WITH(ada-compiler,
3492 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3493 [cf_ada_compiler=$withval],
3494 [cf_ada_compiler=gnatmake])
3495 AC_SUBST(cf_ada_compiler)
3496 AC_MSG_RESULT($cf_ada_compiler)
3498 dnl ---------------------------------------------------------------------------
3499 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3500 dnl -------------------
3501 dnl Command-line option to specify where Ada includes will install.
3502 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3503 AC_MSG_CHECKING(for ada-include)
3504 CF_WITH_PATH(ada-include,
3505 [ --with-ada-include=DIR Ada includes are in DIR],
3507 PREFIX/share/ada/adainclude,
3508 [$]prefix/share/ada/adainclude)
3509 AC_SUBST(ADA_INCLUDE)
3510 AC_MSG_RESULT($ADA_INCLUDE)
3512 dnl ---------------------------------------------------------------------------
3513 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3514 dnl -------------------
3515 dnl Command-line option to specify where Ada objects will install.
3516 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3517 AC_MSG_CHECKING(for ada-objects)
3518 CF_WITH_PATH(ada-objects,
3519 [ --with-ada-objects=DIR Ada objects are in DIR],
3521 PREFIX/lib/ada/adalib,
3522 [$]prefix/lib/ada/adalib)
3523 AC_SUBST(ADA_OBJECTS)
3524 AC_MSG_RESULT($ADA_OBJECTS)
3526 dnl ---------------------------------------------------------------------------
3527 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3528 dnl ---------------------
3529 dnl Command-line option to specify if an Ada95 shared-library should be built,
3530 dnl and optionally what its soname should be.
3531 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3532 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3533 AC_ARG_WITH(ada-sharedlib,
3534 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3535 [with_ada_sharedlib=$withval],
3536 [with_ada_sharedlib=no])
3537 AC_MSG_RESULT($with_ada_sharedlib)
3539 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3540 MAKE_ADA_SHAREDLIB="#"
3542 if test "x$with_ada_sharedlib" != xno
3545 if test "x$with_ada_sharedlib" != xyes
3547 ADA_SHAREDLIB="$with_ada_sharedlib"
3551 AC_SUBST(ADA_SHAREDLIB)
3552 AC_SUBST(MAKE_ADA_SHAREDLIB)
3554 dnl ---------------------------------------------------------------------------
3555 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3556 dnl ------------------
3557 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3559 AC_DEFUN([CF_WITH_CURSES_DIR],[
3561 AC_MSG_CHECKING(for specific curses-directory)
3562 AC_ARG_WITH(curses-dir,
3563 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3564 [cf_cv_curses_dir=$withval],
3565 [cf_cv_curses_dir=no])
3566 AC_MSG_RESULT($cf_cv_curses_dir)
3568 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3570 CF_PATH_SYNTAX(withval)
3571 if test -d "$cf_cv_curses_dir"
3573 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3574 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3578 dnl ---------------------------------------------------------------------------
3579 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3580 dnl ------------------
3581 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3582 dnl "lib" prefix, e.g., because it used the dll naming convention.
3584 dnl $1 = variable to set
3585 AC_DEFUN([CF_WITH_LIB_PREFIX],
3587 AC_MSG_CHECKING(if you want to have a library-prefix)
3588 AC_ARG_WITH(lib-prefix,
3589 [ --with-lib-prefix override library-prefix],
3590 [with_lib_prefix=$withval],
3591 [with_lib_prefix=auto])
3592 AC_MSG_RESULT($with_lib_prefix)
3594 if test $with_lib_prefix = auto
3597 elif test $with_lib_prefix = no
3601 LIB_PREFIX=$with_lib_prefix
3604 dnl ---------------------------------------------------------------------------
3605 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3607 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3608 dnl defaulting to yes/no.
3610 dnl $1 = option name
3612 dnl $3 = environment variable to set
3613 dnl $4 = default value, shown in the help-message, must be a constant
3614 dnl $5 = default value, if it's an expression & cannot be in the help-message
3616 AC_DEFUN([CF_WITH_PATH],
3617 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3618 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3619 if ifelse([$5],,true,[test -n "$5"]) ; then
3620 CF_PATH_SYNTAX(withval)
3625 dnl ---------------------------------------------------------------------------
3626 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
3627 dnl -------------------------
3628 dnl Allow the choice of the pkg-config library directory to be overridden.
3629 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3630 if test "$PKG_CONFIG" != none ; then
3631 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3632 AC_ARG_WITH(pkg-config-libdir,
3633 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3634 [PKG_CONFIG_LIBDIR=$withval],
3635 [PKG_CONFIG_LIBDIR=yes])
3637 case x$PKG_CONFIG_LIBDIR in #(vi
3641 # look for the library directory using the same prefix as the executable
3642 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3643 case x`(arch) 2>/dev/null` in #(vi
3645 for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3647 if test -d $cf_config/pkgconfig
3649 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3655 PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3663 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3666 AC_SUBST(PKG_CONFIG_LIBDIR)
3668 dnl ---------------------------------------------------------------------------
3669 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3671 dnl Check for POSIX thread library.
3672 AC_DEFUN([CF_WITH_PTHREAD],
3674 AC_MSG_CHECKING(if you want to link with the pthread library)
3675 AC_ARG_WITH(pthread,
3676 [ --with-pthread use POSIX thread library],
3677 [with_pthread=$withval],
3679 AC_MSG_RESULT($with_pthread)
3681 if test "$with_pthread" != no ; then
3682 AC_CHECK_HEADER(pthread.h,[
3683 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3685 for cf_lib_pthread in pthread c_r
3687 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3688 cf_save_LIBS="$LIBS"
3689 CF_ADD_LIB($cf_lib_pthread)
3691 #include <pthread.h>
3693 int rc = pthread_create(0,0,0,0);
3694 int r2 = pthread_mutexattr_settype(0, 0);
3695 ],[with_pthread=yes],[with_pthread=no])
3696 LIBS="$cf_save_LIBS"
3697 AC_MSG_RESULT($with_pthread)
3698 test "$with_pthread" = yes && break
3701 if test "$with_pthread" = yes ; then
3702 CF_ADD_LIB($cf_lib_pthread)
3703 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3705 AC_MSG_ERROR(Cannot link with pthread library)
3710 dnl ---------------------------------------------------------------------------
3711 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3713 dnl For testing, override the derived host system-type which is used to decide
3714 dnl things such as the linker commands used to build shared libraries. This is
3715 dnl normally chosen automatically based on the type of system which you are
3716 dnl building on. We use it for testing the configure script.
3718 dnl This is different from the --host option: it is used only for testing parts
3719 dnl of the configure script which would not be reachable with --host since that
3720 dnl relies on the build environment being real, rather than mocked up.
3721 AC_DEFUN([CF_WITH_SYSTYPE],[
3722 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3723 AC_ARG_WITH(system-type,
3724 [ --with-system-type=XXX test: override derived host system-type],
3725 [AC_MSG_WARN(overriding system type to $withval)
3726 cf_cv_system_name=$withval
3730 dnl ---------------------------------------------------------------------------
3731 dnl CF_XOPEN_SOURCE version: 47 updated: 2014/07/23 17:11:49
3733 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3734 dnl or adapt to the vendor's definitions to get equivalent functionality,
3735 dnl without losing the common non-POSIX features.
3738 dnl $1 is the nominal value for _XOPEN_SOURCE
3739 dnl $2 is the nominal value for _POSIX_C_SOURCE
3740 AC_DEFUN([CF_XOPEN_SOURCE],[
3741 AC_REQUIRE([AC_CANONICAL_HOST])
3743 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3744 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3747 case $host_os in #(vi
3749 cf_xopen_source="-D_ALL_SOURCE"
3754 darwin[[0-8]].*) #(vi
3755 cf_xopen_source="-D_APPLE_C_SOURCE"
3758 cf_xopen_source="-D_DARWIN_C_SOURCE"
3761 freebsd*|dragonfly*) #(vi
3762 # 5.x headers associate
3763 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3764 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3765 cf_POSIX_C_SOURCE=200112L
3767 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3770 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3773 cf_xopen_source="-D_HPUX_SOURCE"
3776 cf_xopen_source="-D_SGI_SOURCE"
3779 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3783 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3786 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3788 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3791 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3793 openbsd[[4-9]]*) #(vi
3794 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3795 cf_xopen_source="-D_BSD_SOURCE"
3799 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3802 cf_xopen_source="-D_OSF_SOURCE"
3805 cf_xopen_source="-D_QNX_SOURCE"
3808 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3811 cf_xopen_source="-D__EXTENSIONS__"
3812 cf_cv_xopen_source=broken
3816 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3820 if test -n "$cf_xopen_source" ; then
3821 CF_ADD_CFLAGS($cf_xopen_source,true)
3824 dnl In anything but the default case, we may have system-specific setting
3825 dnl which is still not guaranteed to provide all of the entrypoints that
3826 dnl _XOPEN_SOURCE would yield.
3827 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3828 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3829 AC_TRY_COMPILE([#include <stdlib.h>],[
3830 #ifndef _XOPEN_SOURCE
3833 [cf_XOPEN_SOURCE_set=yes],
3834 [cf_XOPEN_SOURCE_set=no])
3835 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3836 if test $cf_XOPEN_SOURCE_set = yes
3838 AC_TRY_COMPILE([#include <stdlib.h>],[
3839 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3842 [cf_XOPEN_SOURCE_set_ok=yes],
3843 [cf_XOPEN_SOURCE_set_ok=no])
3844 if test $cf_XOPEN_SOURCE_set_ok = no
3846 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)