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 1.92 2014/09/20 21:09:49 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([$1])dnl
1561 dnl ---------------------------------------------------------------------------
1562 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1564 dnl Construct the list of include-options according to whether we're building
1565 dnl in the source directory or using '--srcdir=DIR' option.
1566 AC_DEFUN([CF_INCLUDE_DIRS],
1568 if test "$srcdir" != "."; then
1569 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1571 CPPFLAGS="-I../include $CPPFLAGS"
1572 if test "$srcdir" != "."; then
1573 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1575 CPPFLAGS="-I. $CPPFLAGS"
1578 dnl ---------------------------------------------------------------------------
1579 dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
1580 dnl -----------------
1581 dnl Check if the given compiler is really the Intel compiler for Linux. It
1582 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1583 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1585 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1586 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1587 dnl the wrappers for gcc and g++ warnings.
1589 dnl $1 = GCC (default) or GXX
1590 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1591 dnl $3 = CFLAGS (default) or CXXFLAGS
1592 AC_DEFUN([CF_INTEL_COMPILER],[
1593 AC_REQUIRE([AC_CANONICAL_HOST])
1594 ifelse([$2],,INTEL_COMPILER,[$2])=no
1596 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1599 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1600 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1601 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1603 #ifdef __INTEL_COMPILER
1607 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1608 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1610 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1611 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1616 dnl ---------------------------------------------------------------------------
1617 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1619 dnl Add checks for large file support.
1620 AC_DEFUN([CF_LARGEFILE],[
1621 ifdef([AC_FUNC_FSEEKO],[
1623 if test "$enable_largefile" != no ; then
1626 # Normally we would collect these definitions in the config.h,
1627 # but (like _XOPEN_SOURCE), some environments rely on having these
1628 # defined before any of the system headers are included. Another
1629 # case comes up with C++, e.g., on AIX the compiler compiles the
1630 # header files by themselves before looking at the body files it is
1631 # told to compile. For ncurses, those header files do not include
1633 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1634 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1635 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1637 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1639 #include <sys/types.h>
1642 /* if transitional largefile support is setup, this is true */
1643 extern struct dirent64 * readdir(DIR *);
1644 struct dirent64 *x = readdir((DIR *)0);
1645 struct dirent *y = readdir((DIR *)0);
1648 [cf_cv_struct_dirent64=yes],
1649 [cf_cv_struct_dirent64=no])
1651 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1655 dnl ---------------------------------------------------------------------------
1656 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1658 dnl For the given system and compiler, find the compiler flags to pass to the
1659 dnl loader to use the "rpath" feature.
1660 AC_DEFUN([CF_LD_RPATH_OPT],
1662 AC_REQUIRE([CF_CHECK_CACHE])
1665 AC_MSG_CHECKING(for an rpath option)
1666 case $cf_cv_system_name in #(vi
1668 if test "$GCC" = yes; then
1669 LD_RPATH_OPT="-Wl,-rpath,"
1671 LD_RPATH_OPT="-rpath "
1674 linux*|gnu*|k*bsd*-gnu) #(vi
1675 LD_RPATH_OPT="-Wl,-rpath,"
1677 openbsd[[2-9]].*|mirbsd*) #(vi
1678 LD_RPATH_OPT="-Wl,-rpath,"
1680 dragonfly*|freebsd*) #(vi
1681 LD_RPATH_OPT="-rpath "
1684 LD_RPATH_OPT="-Wl,-rpath,"
1687 LD_RPATH_OPT="-rpath "
1695 AC_MSG_RESULT($LD_RPATH_OPT)
1697 case "x$LD_RPATH_OPT" in #(vi
1699 AC_MSG_CHECKING(if we need a space after rpath option)
1700 cf_save_LIBS="$LIBS"
1701 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1702 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1703 LIBS="$cf_save_LIBS"
1704 AC_MSG_RESULT($cf_rpath_space)
1705 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1709 dnl ---------------------------------------------------------------------------
1710 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1712 dnl Construct a search-list of directories for a nonstandard library-file
1715 dnl $1 = the variable to return as result
1716 dnl $2 = the package name
1717 AC_DEFUN([CF_LIBRARY_PATH],
1720 cf_library_path_list=""
1721 if test -n "${LDFLAGS}${LIBS}" ; then
1722 for cf_library_path in $LDFLAGS $LIBS
1724 case $cf_library_path in #(vi
1726 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1727 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1728 cf_library_path_list="$cf_library_path_list [$]$1"
1734 CF_SUBDIR_PATH($1,$2,lib)
1736 $1="$cf_library_path_list [$]$1"
1738 dnl ---------------------------------------------------------------------------
1739 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1741 dnl Compute the library-prefix for the given host system
1742 dnl $1 = variable to set
1743 define([CF_LIB_PREFIX],
1745 case $cf_cv_system_name in #(vi
1752 ifelse($1,,,[$1=$LIB_PREFIX])
1753 AC_SUBST(LIB_PREFIX)
1755 dnl ---------------------------------------------------------------------------
1756 dnl CF_LIB_SUFFIX version: 23 updated: 2014/06/21 17:47:12
1758 dnl Compute the library file-suffix from the given model name
1760 dnl $2 = variable to set (the nominal library suffix)
1761 dnl $3 = dependency variable to set (actual filename)
1762 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1763 AC_DEFUN([CF_LIB_SUFFIX],
1779 case $cf_cv_system_name in
1784 cygwin*|msys*|mingw*) #(vi
1815 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1816 test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1818 dnl ---------------------------------------------------------------------------
1819 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1821 dnl Compute the string to append to -library from the given model name
1823 dnl $2 = variable to set
1824 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1825 AC_DEFUN([CF_LIB_TYPE],
1834 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1836 dnl ---------------------------------------------------------------------------
1837 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1838 dnl ----------------
1839 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1840 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1841 dnl have to provide wrappers for global tables to ensure they're linked
1843 AC_DEFUN([CF_LINK_DATAONLY],
1845 AC_MSG_CHECKING([if data-only library module links])
1846 AC_CACHE_VAL(cf_cv_link_dataonly,[
1848 cat >conftest.$ac_ext <<EOF
1849 #line __oline__ "configure"
1850 int testdata[[3]] = { 123, 456, 789 };
1852 if AC_TRY_EVAL(ac_compile) ; then
1853 mv conftest.o data.o && \
1854 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1856 rm -f conftest.$ac_ext data.o
1857 cat >conftest.$ac_ext <<EOF
1858 #line __oline__ "configure"
1862 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1864 extern int testdata[[3]];
1865 return testdata[[0]] == 123
1866 && testdata[[1]] == 456
1867 && testdata[[2]] == 789;
1871 if AC_TRY_EVAL(ac_compile); then
1872 mv conftest.o func.o && \
1873 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1875 rm -f conftest.$ac_ext func.o
1876 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1878 LIBS="conftest.a $LIBS"
1882 extern int testfunc();
1883 ${cf_cv_main_return:-return} (!testfunc());
1886 [cf_cv_link_dataonly=yes],
1887 [cf_cv_link_dataonly=no],
1888 [cf_cv_link_dataonly=unknown])
1891 AC_MSG_RESULT($cf_cv_link_dataonly)
1893 if test "$cf_cv_link_dataonly" = no ; then
1894 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1899 dnl ---------------------------------------------------------------------------
1900 dnl CF_MAKEFLAGS version: 15 updated: 2014/05/10 16:43:23
1902 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1903 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1904 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1905 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1906 AC_DEFUN([CF_MAKEFLAGS],
1908 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1910 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1912 cat >cf_makeflags.tmp <<CF_EOF
1915 @ echo '.$cf_option'
1917 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1918 case "$cf_result" in
1920 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1921 case "$cf_result" in
1922 .*CC=*) cf_cv_makeflags=
1924 *) cf_cv_makeflags=$cf_option
1930 *) echo "given option \"$cf_option\", no match \"$cf_result\""
1934 rm -f cf_makeflags.tmp
1937 AC_SUBST(cf_cv_makeflags)
1939 dnl ---------------------------------------------------------------------------
1940 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1942 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
1943 dnl a monocase filesystem.
1944 AC_DEFUN([CF_MAKE_TAGS],[
1945 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1947 AC_CHECK_PROGS(CTAGS, exctags ctags)
1948 AC_CHECK_PROGS(ETAGS, exetags etags)
1950 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1952 if test "$cf_cv_mixedcase" = yes ; then
1953 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1958 if test "$MAKE_UPPER_TAGS" = yes ; then
1964 if test "$MAKE_LOWER_TAGS" = yes ; then
1973 AC_SUBST(MAKE_UPPER_TAGS)
1974 AC_SUBST(MAKE_LOWER_TAGS)
1976 dnl ---------------------------------------------------------------------------
1977 dnl CF_MIXEDCASE_FILENAMES version: 6 updated: 2013/10/08 17:47:05
1978 dnl ----------------------
1979 dnl Check if the file-system supports mixed-case filenames. If we're able to
1980 dnl create a lowercase name and see it as uppercase, it doesn't support that.
1981 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
1983 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
1984 if test "$cross_compiling" = yes ; then
1985 case $target_alias in #(vi
1986 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) #(vi
1994 rm -f conftest CONFTEST
1996 if test -f CONFTEST ; then
2001 rm -f conftest CONFTEST
2004 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2006 dnl ---------------------------------------------------------------------------
2007 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2009 dnl Check for a working mkstemp. This creates two files, checks that they are
2010 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2011 AC_DEFUN([CF_MKSTEMP],[
2012 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2015 #include <sys/types.h>
2019 #include <sys/stat.h>
2022 char *tmpl = "conftestXXXXXX";
2030 for (n = 0; n < 2; ++n) {
2031 strcpy(name[n], tmpl);
2032 if ((fd = mkstemp(name[n])) >= 0) {
2033 if (!strcmp(name[n], tmpl)
2034 || stat(name[n], &sb) != 0
2035 || (sb.st_mode & S_IFMT) != S_IFREG
2036 || (sb.st_mode & 077) != 0) {
2043 && !strcmp(name[0], name[1]))
2045 ${cf_cv_main_return:-return}(result);
2047 ],[cf_cv_func_mkstemp=yes
2048 ],[cf_cv_func_mkstemp=no
2049 ],[cf_cv_func_mkstemp=maybe])
2051 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2052 AC_CHECK_FUNC(mkstemp)
2054 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2055 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2058 dnl ---------------------------------------------------------------------------
2059 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2061 dnl Write a debug message to config.log, along with the line number in the
2062 dnl configure script.
2063 AC_DEFUN([CF_MSG_LOG],[
2064 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2066 dnl ---------------------------------------------------------------------------
2067 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2068 dnl ----------------
2069 dnl Configure an ncurses add-on, built outside the ncurses tree.
2070 AC_DEFUN([CF_NCURSES_ADDON],[
2072 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2074 AC_MSG_CHECKING(if you want wide-character code)
2075 AC_ARG_ENABLE(widec,
2076 [ --enable-widec compile with wide-char/UTF-8 code],
2077 [with_widec=$enableval],
2079 AC_MSG_RESULT($with_widec)
2080 if test "$with_widec" = yes ; then
2082 CF_NCURSES_CONFIG(ncursesw)
2084 CF_NCURSES_CONFIG(ncurses)
2087 if test "$NCURSES_CONFIG" != none ; then
2089 cf_version=`$NCURSES_CONFIG --version`
2091 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2092 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2093 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2095 # ABI version is not available from headers
2096 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2100 for cf_name in MAJOR MINOR PATCH
2102 cat >conftest.$ac_ext <<CF_EOF
2103 #include <${cf_cv_ncurses_header:-curses.h}>
2104 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2106 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2108 if test -f conftest.out ; then
2109 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2110 eval NCURSES_$cf_name=\"$cf_result\"
2111 # cat conftest.$ac_ext
2116 cf_cv_abi_version=${NCURSES_MAJOR}
2120 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2122 dnl Show the computed version, for logging
2123 cf_cv_timestamp=`date`
2125 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2127 dnl We need these values in the generated headers
2128 AC_SUBST(NCURSES_MAJOR)
2129 AC_SUBST(NCURSES_MINOR)
2130 AC_SUBST(NCURSES_PATCH)
2132 dnl We need these values in the generated makefiles
2133 AC_SUBST(cf_cv_rel_version)
2134 AC_SUBST(cf_cv_abi_version)
2136 dnl FIXME - not needed for Ada95
2137 AC_SUBST(cf_cv_builtin_bool)
2138 AC_SUBST(cf_cv_header_stdbool_h)
2139 AC_SUBST(cf_cv_type_of_bool)dnl
2142 dnl ---------------------------------------------------------------------------
2143 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2144 dnl -------------------
2145 dnl Check if we can compile with ncurses' header file
2146 dnl $1 is the cache variable to set
2147 dnl $2 is the header-file to include
2148 dnl $3 is the root name (ncurses or ncursesw)
2149 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2151 ]ifelse($3,ncursesw,[
2152 #define _XOPEN_SOURCE_EXTENDED
2153 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2154 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2157 #ifdef NCURSES_VERSION
2158 ]ifelse($3,ncursesw,[
2163 printf("%s\n", NCURSES_VERSION);
2175 dnl ---------------------------------------------------------------------------
2176 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2177 dnl -----------------
2178 dnl Tie together the configure-script macros for ncurses.
2179 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2180 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2182 dnl $1 is the root library name (default: "ncurses")
2183 AC_DEFUN([CF_NCURSES_CONFIG],
2185 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2187 echo "Looking for ${cf_ncuconfig_root}-config"
2189 CF_ACVERSION_CHECK(2.52,
2190 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2191 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2193 if test "$NCURSES_CONFIG" != none ; then
2195 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2196 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2198 # even with config script, some packages use no-override for curses.h
2199 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2201 dnl like CF_NCURSES_CPPFLAGS
2202 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2204 dnl like CF_NCURSES_LIBS
2205 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2206 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2208 dnl like CF_NCURSES_VERSION
2209 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2213 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2214 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2218 dnl ---------------------------------------------------------------------------
2219 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2220 dnl -------------------
2221 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2222 dnl the CPPFLAGS variable so we can include its header.
2224 dnl The header files may be installed as either curses.h, or ncurses.h (would
2225 dnl be obsolete, except that some packagers prefer this name to distinguish it
2226 dnl from a "native" curses implementation). If not installed for overwrite,
2227 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2228 dnl /usr/include/ncurses), but someone may have installed overwriting the
2229 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2230 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2233 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2234 dnl is already in the include-path, don't even bother with this, since we cannot
2235 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2237 dnl The optional parameter gives the root name of the library, in case it is
2238 dnl not installed as the default curses library. That is how the
2239 dnl wide-character version of ncurses is installed.
2240 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2241 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2243 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2244 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2246 test -n "$cf_cv_curses_dir" && \
2247 test "$cf_cv_curses_dir" != "no" && { \
2248 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2251 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2252 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2253 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2254 for cf_header in $cf_header_list
2256 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2257 test "$cf_cv_ncurses_h" != no && break
2264 # some applications need this, but should check for NCURSES_VERSION
2265 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2269 dnl ---------------------------------------------------------------------------
2270 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2271 dnl -----------------
2272 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2273 dnl variations of ncurses' installs.
2275 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2276 AC_DEFUN([CF_NCURSES_HEADER],[
2278 if test "$cf_cv_ncurses_h" != no ; then
2279 cf_cv_ncurses_header=$cf_cv_ncurses_h
2282 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2283 test -n "$verbose" && echo
2284 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2285 test -n "$verbose" && echo search path $cf_search
2286 cf_save2_CPPFLAGS="$CPPFLAGS"
2287 for cf_incdir in $cf_search
2289 CF_ADD_INCDIR($cf_incdir)
2294 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2295 if test "$cf_cv_ncurses_h2" != no ; then
2296 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2297 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2300 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2302 CPPFLAGS="$cf_save2_CPPFLAGS"
2303 test "$cf_cv_ncurses_h2" != no && break
2305 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2308 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2309 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2310 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2311 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2313 CF_ADD_INCDIR($cf_1st_incdir)
2317 # Set definitions to allow ifdef'ing for ncurses.h
2319 case $cf_cv_ncurses_header in # (vi
2321 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2325 case $cf_cv_ncurses_header in # (vi
2326 ncurses/curses.h|ncurses/ncurses.h)
2327 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2329 ncursesw/curses.h|ncursesw/ncurses.h)
2330 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2335 dnl ---------------------------------------------------------------------------
2336 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2338 dnl Look for the ncurses library. This is a little complicated on Linux,
2339 dnl because it may be linked with the gpm (general purpose mouse) library.
2340 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2341 dnl unusable with ncurses. However, we don't want to link with gpm unless
2342 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2343 dnl and the linker will record a dependency.
2345 dnl The optional parameter gives the root name of the library, in case it is
2346 dnl not installed as the default curses library. That is how the
2347 dnl wide-character version of ncurses is installed.
2348 AC_DEFUN([CF_NCURSES_LIBS],
2349 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2351 cf_nculib_root=ifelse($1,,ncurses,$1)
2352 # This works, except for the special case where we find gpm, but
2353 # ncurses is in a nonstandard location via $LIBS, and we really want
2356 cf_ncurses_SAVE="$LIBS"
2357 AC_CHECK_LIB(gpm,Gpm_Open,
2358 [AC_CHECK_LIB(gpm,initscr,
2359 [LIBS="$cf_ncurses_SAVE"],
2360 [cf_ncurses_LIBS="-lgpm"])])
2362 case $host_os in #(vi
2364 # This is only necessary if you are linking against an obsolete
2365 # version of ncurses (but it should do no harm, since it's static).
2366 if test "$cf_nculib_root" = ncurses ; then
2367 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2372 CF_ADD_LIBS($cf_ncurses_LIBS)
2374 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2376 CF_ADD_LIBS(-l$cf_nculib_root)
2378 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2379 [#include <${cf_cv_ncurses_header:-curses.h}>],
2384 if test -n "$cf_ncurses_LIBS" ; then
2385 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2386 cf_ncurses_SAVE="$LIBS"
2387 for p in $cf_ncurses_LIBS ; do
2388 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2389 if test "$q" != "$LIBS" ; then
2393 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2394 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2395 [AC_MSG_RESULT(yes)],
2397 LIBS="$cf_ncurses_SAVE"])
2400 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2401 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2403 dnl ---------------------------------------------------------------------------
2404 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2405 dnl ------------------
2406 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2407 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2408 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2409 AC_DEFUN([CF_NCURSES_VERSION],
2411 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2412 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2413 cf_cv_ncurses_version=no
2417 #include <${cf_cv_ncurses_header:-curses.h}>
2421 FILE *fp = fopen("$cf_tempfile", "w");
2422 #ifdef NCURSES_VERSION
2423 # ifdef NCURSES_VERSION_PATCH
2424 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2426 fprintf(fp, "%s\n", NCURSES_VERSION);
2430 fprintf(fp, "old\n");
2435 ${cf_cv_main_return:-return}(0);
2437 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2439 # This will not work if the preprocessor splits the line after the
2440 # Autoconf token. The 'unproto' program does that.
2441 cat > conftest.$ac_ext <<EOF
2442 #include <${cf_cv_ncurses_header:-curses.h}>
2444 #ifdef NCURSES_VERSION
2445 Autoconf NCURSES_VERSION
2453 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2455 if test -f conftest.out ; then
2456 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2457 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2463 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2465 dnl ---------------------------------------------------------------------------
2466 dnl CF_OBJ_SUBDIR version: 6 updated: 2013/09/07 14:06:10
2468 dnl Compute the object-directory name from the given model name
2469 AC_DEFUN([CF_OBJ_SUBDIR],
2472 libtool) $2='obj_lo' ;;
2473 normal) $2='objects' ;;
2474 debug) $2='obj_g' ;;
2475 profile) $2='obj_p' ;;
2477 case $cf_cv_system_name in #(vi
2485 dnl ---------------------------------------------------------------------------
2486 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2488 dnl Provide a value for the $PATH and similar separator (or amend the value
2489 dnl as provided in autoconf 2.5x).
2490 AC_DEFUN([CF_PATHSEP],
2492 AC_MSG_CHECKING(for PATH separator)
2493 case $cf_cv_system_name in
2494 os2*) PATH_SEPARATOR=';' ;;
2495 *) ${PATH_SEPARATOR:=':'} ;;
2497 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2498 AC_SUBST(PATH_SEPARATOR)
2499 AC_MSG_RESULT($PATH_SEPARATOR)
2501 dnl ---------------------------------------------------------------------------
2502 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2504 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2505 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2506 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2507 dnl delayed evaluation of those symbols.
2508 AC_DEFUN([CF_PATH_SYNTAX],[
2509 if test "x$prefix" != xNONE; then
2510 cf_path_syntax="$prefix"
2512 cf_path_syntax="$ac_default_prefix"
2515 case ".[$]$1" in #(vi
2516 .\[$]\(*\)*|.\'*\'*) #(vi
2520 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2522 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2524 case ".[$]$1" in #(vi
2526 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2531 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2534 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2538 dnl ---------------------------------------------------------------------------
2539 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2541 dnl Check for the package-config program, unless disabled by command-line.
2542 AC_DEFUN([CF_PKG_CONFIG],
2544 AC_MSG_CHECKING(if you want to use pkg-config)
2545 AC_ARG_WITH(pkg-config,
2546 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2547 [cf_pkg_config=$withval],
2548 [cf_pkg_config=yes])
2549 AC_MSG_RESULT($cf_pkg_config)
2551 case $cf_pkg_config in #(vi
2556 CF_ACVERSION_CHECK(2.52,
2557 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2558 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2565 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2566 if test "$PKG_CONFIG" != none ; then
2567 CF_PATH_SYNTAX(PKG_CONFIG)
2570 AC_SUBST(PKG_CONFIG)
2572 dnl ---------------------------------------------------------------------------
2573 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2574 dnl -----------------
2575 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2577 dnl POSIX.1-1990 _POSIX_SOURCE
2578 dnl POSIX.1-1990 and _POSIX_SOURCE and
2579 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2581 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2582 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2583 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2586 dnl $1 is the nominal value for _POSIX_C_SOURCE
2587 AC_DEFUN([CF_POSIX_C_SOURCE],
2589 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2591 cf_save_CFLAGS="$CFLAGS"
2592 cf_save_CPPFLAGS="$CPPFLAGS"
2594 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2595 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2597 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2598 CF_MSG_LOG(if the symbol is already defined go no further)
2599 AC_TRY_COMPILE([#include <sys/types.h>],[
2600 #ifndef _POSIX_C_SOURCE
2603 [cf_cv_posix_c_source=no],
2604 [cf_want_posix_source=no
2605 case .$cf_POSIX_C_SOURCE in #(vi
2607 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2610 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2611 cf_want_posix_source=yes
2614 cf_want_posix_source=yes
2617 if test "$cf_want_posix_source" = yes ; then
2618 AC_TRY_COMPILE([#include <sys/types.h>],[
2619 #ifdef _POSIX_SOURCE
2622 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2624 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2625 CFLAGS="$cf_trim_CFLAGS"
2626 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2627 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2628 AC_TRY_COMPILE([#include <sys/types.h>],[
2629 #ifndef _POSIX_C_SOURCE
2632 [cf_cv_posix_c_source=no])
2633 CFLAGS="$cf_save_CFLAGS"
2634 CPPFLAGS="$cf_save_CPPFLAGS"
2638 if test "$cf_cv_posix_c_source" != no ; then
2639 CFLAGS="$cf_trim_CFLAGS"
2640 CPPFLAGS="$cf_trim_CPPFLAGS"
2641 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2645 dnl ---------------------------------------------------------------------------
2646 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2648 dnl Check for archiver "ar".
2649 AC_DEFUN([CF_PROG_AR],[
2650 AC_CHECK_TOOL(AR, ar, ar)
2652 dnl ---------------------------------------------------------------------------
2653 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2655 dnl Check for awk, ensure that the check found something.
2656 AC_DEFUN([CF_PROG_AWK],
2659 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2661 dnl ---------------------------------------------------------------------------
2662 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2664 dnl standard check for CC, plus followup sanity checks
2665 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2666 AC_DEFUN([CF_PROG_CC],[
2667 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2669 CF_ACVERSION_CHECK(2.52,
2674 dnl ---------------------------------------------------------------------------
2675 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2677 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2678 dnl the output file can be renamed, and allows for a shell variable that can
2679 dnl be used later. The parameter is either CC or CXX. The result is the
2681 dnl $cf_cv_prog_CC_c_o
2682 dnl $cf_cv_prog_CXX_c_o
2683 AC_DEFUN([CF_PROG_CC_C_O],
2684 [AC_REQUIRE([AC_PROG_CC])dnl
2685 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2686 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2688 cat > conftest.$ac_ext <<CF_EOF
2692 ${cf_cv_main_return:-return}(0);
2695 # We do the test twice because some compilers refuse to overwrite an
2696 # existing .o file with -o, though they will create one.
2697 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2698 if AC_TRY_EVAL(ac_try) &&
2699 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2701 eval cf_cv_prog_$1_c_o=yes
2703 eval cf_cv_prog_$1_c_o=no
2707 if test $cf_cv_prog_$1_c_o = yes; then
2708 AC_MSG_RESULT([yes])
2713 dnl ---------------------------------------------------------------------------
2714 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2716 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2717 dnl This macro adds a check to ensure the script found something.
2718 AC_DEFUN([CF_PROG_EGREP],
2719 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2720 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2721 then ac_cv_prog_egrep='grep -E'
2722 else ac_cv_prog_egrep='egrep'
2724 EGREP=$ac_cv_prog_egrep
2726 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2728 dnl ---------------------------------------------------------------------------
2729 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2731 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2732 AC_DEFUN([CF_PROG_EXT],
2734 AC_REQUIRE([CF_CHECK_CACHE])
2735 case $cf_cv_system_name in
2737 CFLAGS="$CFLAGS -Zmt"
2738 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2739 CXXFLAGS="$CXXFLAGS -Zmt"
2740 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2741 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2751 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2753 dnl ---------------------------------------------------------------------------
2754 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2756 dnl Check for gnatmake, ensure that it is complete.
2757 AC_DEFUN([CF_PROG_GNAT],[
2758 cf_ada_make=gnatmake
2759 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2760 if test "$ac_cv_prog_gnat_exists" = no; then
2762 cf_cv_prog_gnat_correct=no
2765 AC_CHECK_PROG(M4_exists, m4, yes, no)
2766 if test "$ac_cv_prog_M4_exists" = no; then
2767 cf_cv_prog_gnat_correct=no
2768 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2770 if test "$cf_cv_prog_gnat_correct" = yes; then
2771 AC_MSG_CHECKING(if GNAT works)
2772 CF_GNAT_TRY_RUN([procedure conftest;],
2775 procedure conftest is
2777 Text_IO.Put ("Hello World");
2779 GNAT.OS_Lib.OS_Exit (0);
2780 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2781 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2785 AC_SUBST(cf_ada_make)
2787 dnl ---------------------------------------------------------------------------
2788 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2790 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2791 dnl option if it is supported.
2792 AC_DEFUN([CF_PROG_LN_S],[
2794 AC_MSG_CHECKING(if $LN_S -f options work)
2796 rm -f conf$$.src conf$$dst
2798 echo first >conf$$.src
2799 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2804 rm -f conf$$.dst conf$$src
2805 AC_MSG_RESULT($cf_prog_ln_sf)
2807 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2809 dnl ---------------------------------------------------------------------------
2810 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2811 dnl ----------------
2812 dnl Remove all -U and -D options that refer to the given symbol from a list
2813 dnl of C compiler options. This works around the problem that not all
2814 dnl compilers process -U and -D options from left-to-right, so a -U option
2815 dnl cannot be used to cancel the effect of a preceding -D option.
2817 dnl $1 = target (which could be the same as the source variable)
2818 dnl $2 = source (including '$')
2819 dnl $3 = symbol to remove
2820 define([CF_REMOVE_DEFINE],
2823 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2824 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2826 dnl ---------------------------------------------------------------------------
2827 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2829 dnl Remove the given library from the symbol
2831 dnl $1 = target (which could be the same as the source variable)
2832 dnl $2 = source (including '$')
2833 dnl $3 = library to remove
2834 define([CF_REMOVE_LIB],
2836 # remove $3 library from $2
2837 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2839 dnl ---------------------------------------------------------------------------
2840 dnl CF_SHARED_OPTS version: 84 updated: 2013/11/03 06:26:10
2843 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2847 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2848 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2849 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2850 dnl shared library since that can lead to unexpected results at runtime.
2851 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2852 dnl libraries are compiled in ../../lib
2854 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2855 dnl to install symbolic links to the rel/abi versions of shared libraries.
2857 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2858 dnl version when making symbolic links.
2860 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2861 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2862 dnl (ex: libncurses.so.<ver>).
2864 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2865 AC_DEFUN([CF_SHARED_OPTS],
2867 AC_REQUIRE([CF_LD_RPATH_OPT])
2872 INSTALL_LIB="-m 644"
2873 : ${rel_builddir:=.}
2881 cf_cv_do_symlinks=no
2883 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2885 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2886 AC_ARG_WITH(shlib-version,
2887 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2888 [test -z "$withval" && withval=auto
2889 case $withval in #(vi
2891 cf_cv_shlib_version=auto
2893 rel|abi|auto|no) #(vi
2894 cf_cv_shlib_version=$withval
2897 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2900 ],[cf_cv_shlib_version=auto])
2901 AC_MSG_RESULT($cf_cv_shlib_version)
2906 # Some less-capable ports of gcc support only -fpic
2908 if test "$GCC" = yes
2910 AC_MSG_CHECKING(which $CC option to use)
2911 cf_save_CFLAGS="$CFLAGS"
2912 for CC_SHARED_OPTS in -fPIC -fpic ''
2914 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2915 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2917 AC_MSG_RESULT($CC_SHARED_OPTS)
2918 CFLAGS="$cf_save_CFLAGS"
2921 cf_cv_shlib_version_infix=no
2923 case $cf_cv_system_name in #(vi
2924 aix4.[3-9]*|aix[[5-7]]*) #(vi
2925 if test "$GCC" = yes; then
2927 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2929 # CC_SHARED_OPTS='-qpic=large -G'
2930 # perhaps "-bM:SRE -bnoentry -bexpall"
2931 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2935 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2939 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2940 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2941 cf_cv_shlib_version=cygdll
2942 cf_cv_shlib_version_infix=cygdll
2945 cat >mk_shared_lib.sh <<-CF_EOF
2948 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2951 Linking shared library
2952 ** SHARED_LIB \[$]SHARED_LIB
2953 ** IMPORT_LIB \[$]IMPORT_LIB
2955 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2957 chmod +x mk_shared_lib.sh
2961 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2962 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
2963 cf_cv_shlib_version=msysdll
2964 cf_cv_shlib_version_infix=msysdll
2967 cat >mk_shared_lib.sh <<-CF_EOF
2970 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
2973 Linking shared library
2974 ** SHARED_LIB \[$]SHARED_LIB
2975 ** IMPORT_LIB \[$]IMPORT_LIB
2977 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
2979 chmod +x mk_shared_lib.sh
2982 cf_try_cflags="no-cpp-precomp"
2983 CC_SHARED_OPTS="-dynamic"
2984 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
2985 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
2986 cf_cv_shlib_version_infix=yes
2987 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
2988 cf_save_LDFLAGS=$LDFLAGS
2989 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2990 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
2991 LDFLAGS=$cf_save_LDFLAGS])
2992 if test $cf_cv_ldflags_search_paths_first = yes; then
2993 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
2997 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
2998 if test "$GCC" != yes; then
3001 MK_SHARED_LIB='${LD} -b -o $[@]'
3002 INSTALL_LIB="-m 555"
3005 # (tested with gcc 2.7.2 -- I don't have c89)
3006 if test "$GCC" = yes; then
3007 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3010 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3012 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3013 # HP-UX shared libraries must be executable, and should be
3014 # readonly to exploit a quirk in the memory manager.
3015 INSTALL_LIB="-m 555"
3018 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3019 if test "$cf_cv_shlib_version" = rel; then
3020 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3022 cf_shared_soname='`basename $@`'
3025 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3028 if test "$cf_cv_enable_rpath" = yes ; then
3029 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3031 # tested with IRIX 5.2 and 'cc'.
3032 if test "$GCC" != yes; then
3033 CC_SHARED_OPTS='-KPIC'
3034 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3036 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3038 cf_cv_rm_so_locs=yes
3040 linux*|gnu*|k*bsd*-gnu) #(vi
3041 if test "$DFT_LWR_MODEL" = "shared" ; then
3042 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3043 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3045 if test "$cf_cv_enable_rpath" = yes ; then
3046 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3049 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3052 cf_cv_shlib_version=mingw
3053 cf_cv_shlib_version_infix=mingw
3056 if test "$DFT_LWR_MODEL" = "shared" ; then
3057 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3058 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3059 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3062 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3063 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3064 cat >mk_shared_lib.sh <<-CF_EOF
3067 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3070 Linking shared library
3071 ** SHARED_LIB \[$]SHARED_LIB
3072 ** IMPORT_LIB \[$]IMPORT_LIB
3074 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3076 chmod +x mk_shared_lib.sh
3078 openbsd[[2-9]].*|mirbsd*) #(vi
3079 if test "$DFT_LWR_MODEL" = "shared" ; then
3080 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3081 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3083 if test "$cf_cv_enable_rpath" = yes ; then
3084 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3086 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3088 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3090 nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3091 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3092 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3093 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3095 dragonfly*|freebsd*) #(vi
3096 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3097 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3098 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3099 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3100 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3103 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3106 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3107 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3108 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3109 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3110 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3111 if test "$cf_cv_shlib_version" = auto; then
3112 if test -f /usr/libexec/ld.elf_so; then
3113 cf_cv_shlib_version=abi
3115 cf_cv_shlib_version=rel
3119 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3121 MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3125 # tested with OSF/1 V3.2 and 'cc'
3126 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3127 # link with shared libs).
3128 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3129 case $host_os in #(vi
3131 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3134 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3135 if test "$DFT_LWR_MODEL" = "shared" ; then
3136 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3137 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3139 cf_cv_rm_so_locs=yes
3141 sco3.2v5*) # (also uw2* and UW7: hops 13-Apr-98
3142 # tested with osr5.0.5
3143 if test "$GCC" != yes; then
3144 CC_SHARED_OPTS='-belf -KPIC'
3146 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3147 if test "$cf_cv_enable_rpath" = yes ; then
3148 # only way is to set LD_RUN_PATH but no switch for it
3151 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3152 LINK_PROGS='LD_RUN_PATH=${libdir}'
3153 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3156 # tested with SunOS 4.1.1 and gcc 2.7.0
3157 if test "$GCC" != yes; then
3158 CC_SHARED_OPTS='-KPIC'
3160 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3161 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3164 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3165 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3166 if test "$DFT_LWR_MODEL" = "shared" ; then
3167 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3168 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3170 if test "$cf_cv_enable_rpath" = yes ; then
3171 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3174 if test "$GCC" != yes; then
3175 cf_save_CFLAGS="$CFLAGS"
3176 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3178 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3179 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3181 CFLAGS="$cf_save_CFLAGS"
3182 CC_SHARED_OPTS=$cf_shared_opts
3183 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3185 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3188 sysv5uw7*|unix_sv*) #(vi
3189 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3190 if test "$GCC" != yes; then
3191 CC_SHARED_OPTS='-KPIC'
3193 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3196 CC_SHARED_OPTS='unknown'
3197 MK_SHARED_LIB='echo unknown'
3201 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3202 case "$cf_cv_shlib_version" in #(vi
3204 case "$MK_SHARED_LIB" in #(vi
3206 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3209 AC_MSG_WARN(ignored --with-shlib-version)
3215 if test -n "$cf_try_cflags"
3217 cat > conftest.$ac_ext <<EOF
3218 #line __oline__ "${as_me:-configure}"
3220 int main(int argc, char *argv[[]])
3223 return (argv[[argc-1]] == 0) ;
3226 cf_save_CFLAGS="$CFLAGS"
3227 for cf_opt in $cf_try_cflags
3229 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3230 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3231 if AC_TRY_EVAL(ac_compile); then
3233 cf_save_CFLAGS="$CFLAGS"
3238 CFLAGS="$cf_save_CFLAGS"
3242 # RPATH_LIST is a colon-separated list of directories
3243 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3244 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3246 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3248 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3249 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3251 AC_SUBST(CC_SHARED_OPTS)
3252 AC_SUBST(LD_RPATH_OPT)
3253 AC_SUBST(LD_SHARED_OPTS)
3254 AC_SUBST(MK_SHARED_LIB)
3255 AC_SUBST(RM_SHARED_OPTS)
3257 AC_SUBST(LINK_PROGS)
3258 AC_SUBST(LINK_TESTS)
3260 AC_SUBST(EXTRA_LDFLAGS)
3261 AC_SUBST(LOCAL_LDFLAGS)
3262 AC_SUBST(LOCAL_LDFLAGS2)
3264 AC_SUBST(INSTALL_LIB)
3265 AC_SUBST(RPATH_LIST)
3267 dnl ---------------------------------------------------------------------------
3268 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3269 dnl ----------------
3270 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3271 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3274 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3275 dnl If missing, use "rel".
3276 define([CF_SHARED_SONAME],
3278 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3279 if test "$cf_cv_shlib_version" = rel; then
3280 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3282 cf_cv_shared_soname='`basename $[@]`'
3285 dnl ---------------------------------------------------------------------------
3286 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3288 dnl Remove "-g" option from the compiler options
3289 AC_DEFUN([CF_STRIP_G_OPT],
3290 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3291 dnl ---------------------------------------------------------------------------
3292 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3294 dnl Construct a search-list for a nonstandard header/lib-file
3295 dnl $1 = the variable to return as result
3296 dnl $2 = the package name
3297 dnl $3 = the subdirectory, e.g., bin, include or lib
3298 AC_DEFUN([CF_SUBDIR_PATH],
3302 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3303 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3304 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3305 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3306 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3308 dnl ---------------------------------------------------------------------------
3309 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3311 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3312 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3313 dnl but some packagers change this, breaking various applications.
3314 AC_DEFUN([CF_TERM_HEADER],[
3315 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3316 case ${cf_cv_ncurses_header} in #(vi
3317 */ncurses.h|*/ncursesw.h) #(vi
3318 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3321 cf_term_header=term.h
3325 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3327 AC_TRY_COMPILE([#include <stdio.h>
3328 #include <${cf_cv_ncurses_header:-curses.h}>
3330 ],[int x = auto_left_margin],[
3331 cf_cv_term_header="$cf_test"],[
3332 cf_cv_term_header=unknown
3334 test "$cf_cv_term_header" != unknown && break
3338 # Set definitions to allow ifdef'ing to accommodate subdirectories
3340 case $cf_cv_term_header in # (vi
3342 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3346 case $cf_cv_term_header in # (vi
3347 ncurses/term.h) #(vi
3348 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3351 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3355 dnl ---------------------------------------------------------------------------
3356 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3358 dnl Define a top_builddir symbol, for applications that need an absolute path.
3359 AC_DEFUN([CF_TOP_BUILDDIR],
3361 top_builddir=ifelse($1,,`pwd`,$1)
3362 AC_SUBST(top_builddir)
3364 dnl ---------------------------------------------------------------------------
3365 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3366 dnl -------------------
3367 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3368 dnl can define it successfully.
3369 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3370 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3374 #include <sys/types.h>
3376 #ifndef _XOPEN_SOURCE
3379 [cf_cv_xopen_source=no],
3380 [cf_save="$CPPFLAGS"
3381 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3385 #include <sys/types.h>
3387 #ifdef _XOPEN_SOURCE
3390 [cf_cv_xopen_source=no],
3391 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3396 if test "$cf_cv_xopen_source" != no ; then
3397 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3398 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3399 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3400 CF_ADD_CFLAGS($cf_temp_xopen_source)
3403 dnl ---------------------------------------------------------------------------
3404 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3406 dnl Make an uppercase version of a variable
3407 dnl $1=uppercase($2)
3408 AC_DEFUN([CF_UPPER],
3410 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3412 dnl ---------------------------------------------------------------------------
3413 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3415 dnl Check for multibyte support, and if not found, utf8 compatibility library
3416 AC_DEFUN([CF_UTF8_LIB],
3418 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3419 cf_save_LIBS="$LIBS"
3421 #include <stdlib.h>],[putwc(0,0);],
3422 [cf_cv_utf8_lib=yes],
3424 #include <libutf8.h>],[putwc(0,0);],utf8,
3425 [cf_cv_utf8_lib=add-on],
3426 [cf_cv_utf8_lib=no])
3429 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3431 if test "$cf_cv_utf8_lib" = "add-on" ; then
3432 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3433 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3434 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3435 CF_ADD_LIBS($cf_cv_library_file_utf8)
3438 dnl ---------------------------------------------------------------------------
3439 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3441 dnl Use AC_VERBOSE w/o the warnings
3442 AC_DEFUN([CF_VERBOSE],
3443 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3446 dnl ---------------------------------------------------------------------------
3447 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3449 dnl Check for compiler-support for weak symbols.
3450 dnl This works with "recent" gcc.
3451 AC_DEFUN([CF_WEAK_SYMBOLS],[
3452 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3455 #include <stdio.h>],
3457 #if defined(__GNUC__)
3458 # if defined __USE_ISOC99
3459 # define _cat_pragma(exp) _Pragma(#exp)
3460 # define _weak_pragma(exp) _cat_pragma(weak name)
3462 # define _weak_pragma(exp)
3464 # define _declare(name) __extension__ extern __typeof__(name) name
3465 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3469 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3472 dnl ---------------------------------------------------------------------------
3473 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3474 dnl --------------------
3475 dnl Command-line option to specify the Ada95 compiler.
3476 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3477 AC_MSG_CHECKING(for ada-compiler)
3478 AC_ARG_WITH(ada-compiler,
3479 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3480 [cf_ada_compiler=$withval],
3481 [cf_ada_compiler=gnatmake])
3482 AC_SUBST(cf_ada_compiler)
3483 AC_MSG_RESULT($cf_ada_compiler)
3485 dnl ---------------------------------------------------------------------------
3486 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3487 dnl -------------------
3488 dnl Command-line option to specify where Ada includes will install.
3489 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3490 AC_MSG_CHECKING(for ada-include)
3491 CF_WITH_PATH(ada-include,
3492 [ --with-ada-include=DIR Ada includes are in DIR],
3494 PREFIX/share/ada/adainclude,
3495 [$]prefix/share/ada/adainclude)
3496 AC_SUBST(ADA_INCLUDE)
3497 AC_MSG_RESULT($ADA_INCLUDE)
3499 dnl ---------------------------------------------------------------------------
3500 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3501 dnl -------------------
3502 dnl Command-line option to specify where Ada objects will install.
3503 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3504 AC_MSG_CHECKING(for ada-objects)
3505 CF_WITH_PATH(ada-objects,
3506 [ --with-ada-objects=DIR Ada objects are in DIR],
3508 PREFIX/lib/ada/adalib,
3509 [$]prefix/lib/ada/adalib)
3510 AC_SUBST(ADA_OBJECTS)
3511 AC_MSG_RESULT($ADA_OBJECTS)
3513 dnl ---------------------------------------------------------------------------
3514 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3515 dnl ---------------------
3516 dnl Command-line option to specify if an Ada95 shared-library should be built,
3517 dnl and optionally what its soname should be.
3518 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3519 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3520 AC_ARG_WITH(ada-sharedlib,
3521 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3522 [with_ada_sharedlib=$withval],
3523 [with_ada_sharedlib=no])
3524 AC_MSG_RESULT($with_ada_sharedlib)
3526 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3527 MAKE_ADA_SHAREDLIB="#"
3529 if test "x$with_ada_sharedlib" != xno
3532 if test "x$with_ada_sharedlib" != xyes
3534 ADA_SHAREDLIB="$with_ada_sharedlib"
3538 AC_SUBST(ADA_SHAREDLIB)
3539 AC_SUBST(MAKE_ADA_SHAREDLIB)
3541 dnl ---------------------------------------------------------------------------
3542 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3543 dnl ------------------
3544 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3546 AC_DEFUN([CF_WITH_CURSES_DIR],[
3548 AC_MSG_CHECKING(for specific curses-directory)
3549 AC_ARG_WITH(curses-dir,
3550 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3551 [cf_cv_curses_dir=$withval],
3552 [cf_cv_curses_dir=no])
3553 AC_MSG_RESULT($cf_cv_curses_dir)
3555 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3557 CF_PATH_SYNTAX(withval)
3558 if test -d "$cf_cv_curses_dir"
3560 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3561 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3565 dnl ---------------------------------------------------------------------------
3566 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3567 dnl ------------------
3568 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3569 dnl "lib" prefix, e.g., because it used the dll naming convention.
3571 dnl $1 = variable to set
3572 AC_DEFUN([CF_WITH_LIB_PREFIX],
3574 AC_MSG_CHECKING(if you want to have a library-prefix)
3575 AC_ARG_WITH(lib-prefix,
3576 [ --with-lib-prefix override library-prefix],
3577 [with_lib_prefix=$withval],
3578 [with_lib_prefix=auto])
3579 AC_MSG_RESULT($with_lib_prefix)
3581 if test $with_lib_prefix = auto
3584 elif test $with_lib_prefix = no
3588 LIB_PREFIX=$with_lib_prefix
3591 dnl ---------------------------------------------------------------------------
3592 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3594 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3595 dnl defaulting to yes/no.
3597 dnl $1 = option name
3599 dnl $3 = environment variable to set
3600 dnl $4 = default value, shown in the help-message, must be a constant
3601 dnl $5 = default value, if it's an expression & cannot be in the help-message
3603 AC_DEFUN([CF_WITH_PATH],
3604 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3605 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3606 if ifelse([$5],,true,[test -n "$5"]) ; then
3607 CF_PATH_SYNTAX(withval)
3612 dnl ---------------------------------------------------------------------------
3613 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
3614 dnl -------------------------
3615 dnl Allow the choice of the pkg-config library directory to be overridden.
3616 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3617 if test "$PKG_CONFIG" != none ; then
3618 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3619 AC_ARG_WITH(pkg-config-libdir,
3620 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3621 [PKG_CONFIG_LIBDIR=$withval],
3622 [PKG_CONFIG_LIBDIR=yes])
3624 case x$PKG_CONFIG_LIBDIR in #(vi
3628 # look for the library directory using the same prefix as the executable
3629 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3630 case x`(arch) 2>/dev/null` in #(vi
3632 for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3634 if test -d $cf_config/pkgconfig
3636 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3642 PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3650 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3653 AC_SUBST(PKG_CONFIG_LIBDIR)
3655 dnl ---------------------------------------------------------------------------
3656 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3658 dnl Check for POSIX thread library.
3659 AC_DEFUN([CF_WITH_PTHREAD],
3661 AC_MSG_CHECKING(if you want to link with the pthread library)
3662 AC_ARG_WITH(pthread,
3663 [ --with-pthread use POSIX thread library],
3664 [with_pthread=$withval],
3666 AC_MSG_RESULT($with_pthread)
3668 if test "$with_pthread" != no ; then
3669 AC_CHECK_HEADER(pthread.h,[
3670 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3672 for cf_lib_pthread in pthread c_r
3674 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3675 cf_save_LIBS="$LIBS"
3676 CF_ADD_LIB($cf_lib_pthread)
3678 #include <pthread.h>
3680 int rc = pthread_create(0,0,0,0);
3681 int r2 = pthread_mutexattr_settype(0, 0);
3682 ],[with_pthread=yes],[with_pthread=no])
3683 LIBS="$cf_save_LIBS"
3684 AC_MSG_RESULT($with_pthread)
3685 test "$with_pthread" = yes && break
3688 if test "$with_pthread" = yes ; then
3689 CF_ADD_LIB($cf_lib_pthread)
3690 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3692 AC_MSG_ERROR(Cannot link with pthread library)
3697 dnl ---------------------------------------------------------------------------
3698 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3700 dnl For testing, override the derived host system-type which is used to decide
3701 dnl things such as the linker commands used to build shared libraries. This is
3702 dnl normally chosen automatically based on the type of system which you are
3703 dnl building on. We use it for testing the configure script.
3705 dnl This is different from the --host option: it is used only for testing parts
3706 dnl of the configure script which would not be reachable with --host since that
3707 dnl relies on the build environment being real, rather than mocked up.
3708 AC_DEFUN([CF_WITH_SYSTYPE],[
3709 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3710 AC_ARG_WITH(system-type,
3711 [ --with-system-type=XXX test: override derived host system-type],
3712 [AC_MSG_WARN(overriding system type to $withval)
3713 cf_cv_system_name=$withval
3717 dnl ---------------------------------------------------------------------------
3718 dnl CF_XOPEN_SOURCE version: 48 updated: 2014/09/01 12:29:14
3720 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3721 dnl or adapt to the vendor's definitions to get equivalent functionality,
3722 dnl without losing the common non-POSIX features.
3725 dnl $1 is the nominal value for _XOPEN_SOURCE
3726 dnl $2 is the nominal value for _POSIX_C_SOURCE
3727 AC_DEFUN([CF_XOPEN_SOURCE],[
3728 AC_REQUIRE([AC_CANONICAL_HOST])
3730 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3731 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3734 case $host_os in #(vi
3736 cf_xopen_source="-D_ALL_SOURCE"
3741 darwin[[0-8]].*) #(vi
3742 cf_xopen_source="-D_APPLE_C_SOURCE"
3745 cf_xopen_source="-D_DARWIN_C_SOURCE"
3748 freebsd*|dragonfly*) #(vi
3749 # 5.x headers associate
3750 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3751 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3752 cf_POSIX_C_SOURCE=200112L
3754 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3757 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3760 cf_xopen_source="-D_HPUX_SOURCE"
3763 cf_xopen_source="-D_SGI_SOURCE"
3766 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3770 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3773 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3775 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3778 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3780 openbsd[[4-9]]*) #(vi
3781 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3782 cf_xopen_source="-D_BSD_SOURCE"
3786 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3789 cf_xopen_source="-D_OSF_SOURCE"
3792 cf_xopen_source="-D_QNX_SOURCE"
3795 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3798 cf_xopen_source="-D__EXTENSIONS__"
3799 cf_cv_xopen_source=broken
3801 sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
3807 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3811 if test -n "$cf_xopen_source" ; then
3812 CF_ADD_CFLAGS($cf_xopen_source,true)
3815 dnl In anything but the default case, we may have system-specific setting
3816 dnl which is still not guaranteed to provide all of the entrypoints that
3817 dnl _XOPEN_SOURCE would yield.
3818 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3819 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3820 AC_TRY_COMPILE([#include <stdlib.h>],[
3821 #ifndef _XOPEN_SOURCE
3824 [cf_XOPEN_SOURCE_set=yes],
3825 [cf_XOPEN_SOURCE_set=no])
3826 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3827 if test $cf_XOPEN_SOURCE_set = yes
3829 AC_TRY_COMPILE([#include <stdlib.h>],[
3830 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3833 [cf_XOPEN_SOURCE_set_ok=yes],
3834 [cf_XOPEN_SOURCE_set_ok=no])
3835 if test $cf_XOPEN_SOURCE_set_ok = no
3837 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)