1 dnl***************************************************************************
2 dnl Copyright (c) 2010-2011,2012 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 1.59 2012/10/06 22:41:06 tom Exp $
32 dnl Macros used in NCURSES Ada95 auto-configuration script.
34 dnl These macros are maintained separately from NCURSES. The copyright on
35 dnl this file applies to the aggregation of macros and does not affect use of
36 dnl these macros in other applications.
38 dnl See http://invisible-island.net/autoconf/ for additional information.
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl CF_ACVERSION_CHECK version: 3 updated: 2012/10/03 18:39:53
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([m4_version_compare],
52 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
53 [CF_ACVERSION_COMPARE(
54 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
56 dnl ---------------------------------------------------------------------------
57 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
58 dnl --------------------
59 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
60 dnl MAJOR2, MINOR2, TERNARY2,
61 dnl PRINTABLE2, not FOUND, FOUND)
62 define([CF_ACVERSION_COMPARE],
63 [ifelse(builtin([eval], [$2 < $5]), 1,
64 [ifelse([$8], , ,[$8])],
65 [ifelse([$9], , ,[$9])])])dnl
66 dnl ---------------------------------------------------------------------------
67 dnl CF_ADA_INCLUDE_DIRS version: 6 updated: 2010/02/26 19:52:07
68 dnl -------------------
69 dnl Construct the list of include-options for the C programs in the Ada95
71 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
73 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
74 if test "$srcdir" != "."; then
75 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
77 if test "$GCC" != yes; then
78 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
79 elif test "$includedir" != "/usr/include"; then
80 if test "$includedir" = '${prefix}/include' ; then
81 if test $prefix != /usr ; then
82 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
85 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
90 dnl ---------------------------------------------------------------------------
91 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
93 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
94 AC_DEFUN([CF_ADD_ADAFLAGS],[
95 ADAFLAGS="$ADAFLAGS $1"
98 dnl ---------------------------------------------------------------------------
99 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
101 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
102 dnl The second parameter if given makes this macro verbose.
104 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
105 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
106 dnl confused by the quotes (which require backslashes to keep them usable).
107 AC_DEFUN([CF_ADD_CFLAGS],
112 cf_new_extra_cppflags=
114 for cf_add_cflags in $1
116 case $cf_fix_cppflags in
118 case $cf_add_cflags in #(vi
119 -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
120 case $cf_add_cflags in
122 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
124 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
125 && test -z "${cf_tst_cflags}" \
126 && cf_fix_cppflags=yes
128 if test $cf_fix_cppflags = yes ; then
129 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
131 elif test "${cf_tst_cflags}" = "\"'" ; then
132 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
138 *$cf_add_cflags) #(vi
141 case $cf_add_cflags in #(vi
143 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
144 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
147 cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
152 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
157 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
159 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
161 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
162 && test -z "${cf_tst_cflags}" \
163 && cf_fix_cppflags=no
168 if test -n "$cf_new_cflags" ; then
169 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
170 CFLAGS="$CFLAGS $cf_new_cflags"
173 if test -n "$cf_new_cppflags" ; then
174 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
175 CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
178 if test -n "$cf_new_extra_cppflags" ; then
179 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
180 EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
183 AC_SUBST(EXTRA_CPPFLAGS)
186 dnl ---------------------------------------------------------------------------
187 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
189 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
190 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
191 dnl but old versions (and some misinstalled ones) need that. To make things
192 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
193 dnl the include-path).
194 AC_DEFUN([CF_ADD_INCDIR],
196 if test -n "$1" ; then
197 for cf_add_incdir in $1
199 while test $cf_add_incdir != /usr/include
201 if test -d $cf_add_incdir
204 if test -n "$CFLAGS$CPPFLAGS" ; then
205 # a loop is needed to ensure we can add subdirs of existing dirs
206 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
207 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
208 cf_have_incdir=yes; break
213 if test "$cf_have_incdir" = no ; then
214 if test "$cf_add_incdir" = /usr/local/include ; then
217 cf_save_CPPFLAGS=$CPPFLAGS
218 CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
219 AC_TRY_COMPILE([#include <stdio.h>],
222 [cf_have_incdir=yes])
223 CPPFLAGS=$cf_save_CPPFLAGS
228 if test "$cf_have_incdir" = no ; then
229 CF_VERBOSE(adding $cf_add_incdir to include-path)
230 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
232 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
233 test "$cf_top_incdir" = "$cf_add_incdir" && break
234 cf_add_incdir="$cf_top_incdir"
243 dnl ---------------------------------------------------------------------------
244 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
246 dnl Add a library, used to enforce consistency.
248 dnl $1 = library to add, without the "-l"
249 dnl $2 = variable to update (default $LIBS)
250 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
251 dnl ---------------------------------------------------------------------------
252 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
254 dnl Adds to the library-path
256 dnl Some machines have trouble with multiple -L options.
258 dnl $1 is the (list of) directory(s) to add
259 dnl $2 is the optional name of the variable to update (default LDFLAGS)
261 AC_DEFUN([CF_ADD_LIBDIR],
263 if test -n "$1" ; then
264 for cf_add_libdir in $1
266 if test $cf_add_libdir = /usr/lib ; then
268 elif test -d $cf_add_libdir
271 if test -n "$LDFLAGS$LIBS" ; then
272 # a loop is needed to ensure we can add subdirs of existing dirs
273 for cf_test_libdir in $LDFLAGS $LIBS ; do
274 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
275 cf_have_libdir=yes; break
279 if test "$cf_have_libdir" = no ; then
280 CF_VERBOSE(adding $cf_add_libdir to library-path)
281 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
287 dnl ---------------------------------------------------------------------------
288 dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
290 dnl Add one or more libraries, used to enforce consistency.
292 dnl $1 = libraries to add, with the "-l", etc.
293 dnl $2 = variable to update (default $LIBS)
294 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
295 dnl ---------------------------------------------------------------------------
296 dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
297 dnl ------------------
298 dnl Append to a search-list for a nonstandard header/lib-file
299 dnl $1 = the variable to return as result
300 dnl $2 = the package name
301 dnl $3 = the subdirectory, e.g., bin, include or lib
302 dnl $4 = the directory under which we will test for subdirectories
303 dnl $5 = a directory that we do not want $4 to match
304 AC_DEFUN([CF_ADD_SUBDIR_PATH],
306 test "$4" != "$5" && \
308 ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
309 test -n "$verbose" && echo " ... testing for $3-directories under $4"
310 test -d $4/$3 && $1="[$]$1 $4/$3"
311 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
312 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
313 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
314 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
317 dnl ---------------------------------------------------------------------------
318 dnl CF_ANSI_CC_CHECK version: 13 updated: 2012/10/06 11:17:15
320 dnl This was originally adapted from the macros 'fp_PROG_CC_STDC' and
321 dnl 'fp_C_PROTOTYPES' in the sharutils 4.2 distribution.
322 AC_DEFUN([CF_ANSI_CC_CHECK],
326 AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
328 cf_save_CFLAGS="$CFLAGS"
329 cf_save_CPPFLAGS="$CPPFLAGS"
330 # Don't try gcc -ansi; that turns off useful extensions and
331 # breaks some systems' header files.
333 # Ultrix and OSF/1 -std1
334 # HP-UX -Aa -D_HPUX_SOURCE
336 # UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes)
337 for cf_arg in "-DCC_HAS_PROTOS" \
342 "-Aa -D_HPUX_SOURCE" \
345 CF_ADD_CFLAGS($cf_arg)
348 #ifndef CC_HAS_PROTOS
349 #if !defined(__STDC__) || (__STDC__ != 1)
354 int test (int i, double x);
355 struct s1 {int (*f) (int a);};
356 struct s2 {int (*f) (double a);};],
357 [cf_cv_ansi_cc="$cf_arg"; break])
359 CFLAGS="$cf_save_CFLAGS"
360 CPPFLAGS="$cf_save_CPPFLAGS"
363 if test "$cf_cv_ansi_cc" != "no"; then
364 if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
365 CF_ADD_CFLAGS($cf_cv_ansi_cc)
367 AC_DEFINE(CC_HAS_PROTOS,1,[Define to 1 if C compiler supports prototypes])
371 dnl ---------------------------------------------------------------------------
372 dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
374 dnl For programs that must use an ANSI compiler, obtain compiler options that
375 dnl will make it recognize prototypes. We'll do preprocessor checks in other
376 dnl macros, since tools such as unproto can fake prototypes, but only part of
377 dnl the preprocessor.
378 AC_DEFUN([CF_ANSI_CC_REQD],
379 [AC_REQUIRE([CF_ANSI_CC_CHECK])
380 if test "$cf_cv_ansi_cc" = "no"; then
382 [Your compiler does not appear to recognize prototypes.
383 You have the following choices:
384 a. adjust your compiler options
385 b. get an up-to-date compiler
386 c. use a wrapper such as unproto])
389 dnl ---------------------------------------------------------------------------
390 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
392 dnl Allow user to disable a normally-on option.
393 AC_DEFUN([CF_ARG_DISABLE],
394 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
395 dnl ---------------------------------------------------------------------------
396 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
398 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
404 dnl $3 = action to perform if option is not default
405 dnl $4 = action if perform if option is default
406 dnl $5 = default option value (either 'yes' or 'no')
407 AC_DEFUN([CF_ARG_OPTION],
408 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
409 if test "$enableval" != "$5" ; then
411 ,[ $3]) ifelse([$4],,,[
414 fi],[enableval=$5 ifelse([$4],,,[
418 dnl ---------------------------------------------------------------------------
419 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
421 dnl Check for suitable "ar" (archiver) options for updating an archive.
422 AC_DEFUN([CF_AR_FLAGS],[
423 AC_REQUIRE([CF_PROG_AR])
425 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
426 cf_cv_ar_flags=unknown
427 for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
430 # check if $ARFLAGS already contains this choice
431 if test "x$ARFLAGS" != "x" ; then
432 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
433 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
439 rm -f conftest.$ac_cv_objext
442 cat >conftest.$ac_ext <<EOF
443 #line __oline__ "configure"
444 int testdata[[3]] = { 123, 456, 789 };
446 if AC_TRY_EVAL(ac_compile) ; then
447 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
448 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
449 if test -f conftest.a ; then
450 cf_cv_ar_flags=$cf_ar_flags
454 CF_VERBOSE(cannot compile test-program)
458 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
461 if test -n "$ARFLAGS" ; then
462 if test -n "$cf_cv_ar_flags" ; then
463 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
466 ARFLAGS=$cf_cv_ar_flags
471 dnl ---------------------------------------------------------------------------
472 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
474 dnl If we're cross-compiling, allow the user to override the tools and their
475 dnl options. The configure script is oriented toward identifying the host
476 dnl compiler, etc., but we need a build compiler to generate parts of the
479 dnl $1 = default for $CPPFLAGS
480 dnl $2 = default for $LIBS
481 AC_DEFUN([CF_BUILD_CC],[
482 CF_ACVERSION_CHECK(2.52,,
483 [AC_REQUIRE([CF_PROG_EXT])])
484 if test "$cross_compiling" = yes ; then
486 # defaults that we might want to override
487 : ${BUILD_CFLAGS:=''}
488 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
489 : ${BUILD_LDFLAGS:=''}
490 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
491 : ${BUILD_EXEEXT:='$x'}
492 : ${BUILD_OBJEXT:='o'}
494 AC_ARG_WITH(build-cc,
495 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
496 [BUILD_CC="$withval"],
497 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
498 AC_MSG_CHECKING(for native build C compiler)
499 AC_MSG_RESULT($BUILD_CC)
501 AC_MSG_CHECKING(for native build C preprocessor)
502 AC_ARG_WITH(build-cpp,
503 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
504 [BUILD_CPP="$withval"],
505 [BUILD_CPP='${BUILD_CC} -E'])
506 AC_MSG_RESULT($BUILD_CPP)
508 AC_MSG_CHECKING(for native build C flags)
509 AC_ARG_WITH(build-cflags,
510 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
511 [BUILD_CFLAGS="$withval"])
512 AC_MSG_RESULT($BUILD_CFLAGS)
514 AC_MSG_CHECKING(for native build C preprocessor-flags)
515 AC_ARG_WITH(build-cppflags,
516 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
517 [BUILD_CPPFLAGS="$withval"])
518 AC_MSG_RESULT($BUILD_CPPFLAGS)
520 AC_MSG_CHECKING(for native build linker-flags)
521 AC_ARG_WITH(build-ldflags,
522 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
523 [BUILD_LDFLAGS="$withval"])
524 AC_MSG_RESULT($BUILD_LDFLAGS)
526 AC_MSG_CHECKING(for native build linker-libraries)
527 AC_ARG_WITH(build-libs,
528 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
529 [BUILD_LIBS="$withval"])
530 AC_MSG_RESULT($BUILD_LIBS)
532 # this assumes we're on Unix.
536 : ${BUILD_CC:='${CC}'}
538 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
539 AC_MSG_ERROR([Cross-build requires two compilers.
540 Use --with-build-cc to specify the native compiler.])
544 : ${BUILD_CC:='${CC}'}
545 : ${BUILD_CPP:='${CPP}'}
546 : ${BUILD_CFLAGS:='${CFLAGS}'}
547 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
548 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
549 : ${BUILD_LIBS:='${LIBS}'}
550 : ${BUILD_EXEEXT:='$x'}
551 : ${BUILD_OBJEXT:='o'}
556 AC_SUBST(BUILD_CFLAGS)
557 AC_SUBST(BUILD_CPPFLAGS)
558 AC_SUBST(BUILD_LDFLAGS)
560 AC_SUBST(BUILD_EXEEXT)
561 AC_SUBST(BUILD_OBJEXT)
563 dnl ---------------------------------------------------------------------------
564 dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
566 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
567 dnl into CC. This will not help with broken scripts that wrap the compiler with
568 dnl options, but eliminates a more common category of user confusion.
569 AC_DEFUN([CF_CC_ENV_FLAGS],
571 # This should have been defined by AC_PROG_CC
574 AC_MSG_CHECKING(\$CC variable)
577 AC_MSG_RESULT(broken)
578 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
580 cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'`
581 CC=`echo "$CC" | sed -e 's/[[ ]].*//'`
582 CF_ADD_CFLAGS($cf_flags)
589 dnl ---------------------------------------------------------------------------
590 dnl CF_CFG_DEFAULTS version: 8 updated: 2011/06/04 20:09:13
592 dnl Determine the default configuration into which we'll install ncurses. This
593 dnl can be overridden by the user's command-line options. There's two items to
595 dnl 1. the prefix (e.g., /usr)
596 dnl 2. the header files (e.g., /usr/include/ncurses)
597 dnl We'll look for a previous installation of ncurses and use the same defaults.
599 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
600 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
601 dnl programs from a vendor's.
602 AC_DEFUN([CF_CFG_DEFAULTS],
604 AC_MSG_CHECKING(for prefix)
605 if test "x$prefix" = "xNONE" ; then
606 case "$cf_cv_system_name" in
607 # non-vendor systems don't have a conflict
608 openbsd*|freebsd*|mirbsd*|linux*|cygwin*|k*bsd*-gnu)
611 *) prefix=$ac_default_prefix
615 AC_MSG_RESULT($prefix)
617 if test "x$prefix" = "xNONE" ; then
618 AC_MSG_CHECKING(for default include-directory)
619 test -n "$verbose" && echo 1>&AC_FD_MSG
622 $includedir/ncurses \
624 $prefix/include/ncurses \
626 /usr/local/include/ncurses \
630 cf_dir=`eval echo $cf_symbol`
631 if test -f $cf_dir/curses.h ; then
632 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
633 includedir="$cf_symbol"
634 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
638 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
640 AC_MSG_RESULT($includedir)
643 dnl ---------------------------------------------------------------------------
644 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
646 dnl Check if we're accidentally using a cache from a different machine.
647 dnl Derive the system name, as a check for reusing the autoconf cache.
649 dnl If we've packaged config.guess and config.sub, run that (since it does a
650 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
651 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
652 dnl which is useful in cross-compiles.
654 dnl Note: we would use $ac_config_sub, but that is one of the places where
655 dnl autoconf 2.5x broke compatibility with autoconf 2.13
656 AC_DEFUN([CF_CHECK_CACHE],
658 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
659 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
660 system_name="$host_os"
662 system_name="`(uname -s -r) 2>/dev/null`"
663 if test -z "$system_name" ; then
664 system_name="`(hostname) 2>/dev/null`"
667 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
668 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
670 test -z "$system_name" && system_name="$cf_cv_system_name"
671 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
673 if test ".$system_name" != ".$cf_cv_system_name" ; then
674 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
675 AC_MSG_ERROR("Please remove config.cache and try again.")
678 dnl ---------------------------------------------------------------------------
679 dnl CF_CLANG_COMPILER version: 1 updated: 2012/06/16 14:55:39
680 dnl -----------------
681 dnl Check if the given compiler is really clang. clang's C driver defines
682 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
683 dnl not ignore some gcc options.
685 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
686 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
687 dnl the wrappers for gcc and g++ warnings.
689 dnl $1 = GCC (default) or GXX
690 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
691 dnl $3 = CFLAGS (default) or CXXFLAGS
692 AC_DEFUN([CF_CLANG_COMPILER],[
693 ifelse([$2],,CLANG_COMPILER,[$2])=no
695 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
696 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
697 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
698 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
704 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
705 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
707 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
708 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
711 dnl ---------------------------------------------------------------------------
712 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
714 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
715 dnl variations of ncurses' installs.
717 dnl $1 = ncurses when looking for ncurses, or is empty
718 AC_DEFUN([CF_CURSES_HEADER],[
719 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
720 cf_cv_ncurses_header=none
721 for cf_header in ifelse($1,,,[ \
725 curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
727 AC_TRY_COMPILE([#include <${cf_header}>],
728 [initscr(); tgoto("?", 0,0)],
729 [cf_cv_ncurses_header=$cf_header; break],[])
733 if test "$cf_cv_ncurses_header" = none ; then
734 AC_MSG_ERROR(No curses header-files found)
737 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
738 AC_CHECK_HEADERS($cf_cv_ncurses_header)
740 dnl ---------------------------------------------------------------------------
741 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
743 dnl "dirname" is not portable, so we fake it with a shell script.
744 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
745 dnl ---------------------------------------------------------------------------
746 dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
748 dnl You can always use "make -n" to see the actual options, but it's hard to
749 dnl pick out/analyze warning messages when the compile-line is long.
752 dnl ECHO_LT - symbol to control if libtool is verbose
753 dnl ECHO_LD - symbol to prefix "cc -o" lines
754 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
755 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
756 dnl ECHO_CC - symbol to put before any "cc" line
758 AC_DEFUN([CF_DISABLE_ECHO],[
759 AC_MSG_CHECKING(if you want to see long compiling messages)
761 [ --disable-echo do not display "compiling" commands],
764 ECHO_LD='@echo linking [$]@;'
765 RULE_CC='@echo compiling [$]<'
766 SHOW_CC='@echo compiling [$]@'
775 AC_MSG_RESULT($enableval)
782 dnl ---------------------------------------------------------------------------
783 dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
784 dnl ------------------
785 dnl This is the "--enable-pc-files" option, which is available if there is a
786 dnl pkg-config configuration on the local machine.
787 AC_DEFUN([CF_ENABLE_PC_FILES],[
788 AC_REQUIRE([CF_PKG_CONFIG])
789 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
791 if test "$PKG_CONFIG" != none ; then
792 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
793 AC_ARG_ENABLE(pc-files,
794 [ --enable-pc-files generate and install .pc files for pkg-config],
795 [enable_pc_files=$enableval],
796 [enable_pc_files=no])
797 AC_MSG_RESULT($enable_pc_files)
798 if test "$enable_pc_files" != no
800 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
806 dnl ---------------------------------------------------------------------------
807 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
809 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
810 dnl prefer a standard location, and use -L options only if we do not find the
811 dnl library in the standard library location(s).
812 dnl $1 = library name
813 dnl $2 = library class, usually the same as library name
815 dnl $4 = code fragment to compile/link
816 dnl $5 = corresponding function-name
817 dnl $6 = flag, nonnull if failure should not cause an error-exit
819 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
820 dnl to use a -L option.
821 AC_DEFUN([CF_FIND_LIBRARY],
823 eval 'cf_cv_have_lib_'$1'=no'
826 eval 'cf_cv_have_lib_'$1'=yes',[
828 AC_MSG_CHECKING(for $5 in -l$1)
830 AC_TRY_LINK([$3],[$4],
832 eval 'cf_cv_have_lib_'$1'=yes'
835 CF_LIBRARY_PATH(cf_search,$2)
836 for cf_libdir in $cf_search
838 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
839 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
840 AC_TRY_LINK([$3],[$4],
842 eval 'cf_cv_have_lib_'$1'=yes'
845 LIBS="$cf_save_LIBS"])
849 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
851 if test $cf_found_library = no ; then
852 AC_MSG_ERROR(Cannot link $1 library)
856 dnl ---------------------------------------------------------------------------
857 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
859 dnl Find a library (specifically the linkage used in the code fragment),
860 dnl searching for it if it is not already in the library path.
861 dnl See also CF_ADD_SEARCHPATH.
863 dnl Parameters (4-on are optional):
864 dnl $1 = headers for library entrypoint
865 dnl $2 = code fragment for library entrypoint
866 dnl $3 = the library name without the "-l" option or ".so" suffix.
867 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
868 dnl $5 = action to perform if not successful
869 dnl $6 = module name, if not the same as the library name
870 dnl $7 = extra libraries
872 dnl Sets these variables:
873 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
874 dnl $cf_cv_header_path_$3 - include-directory if needed
875 dnl $cf_cv_library_path_$3 - library-directory if needed
876 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
877 AC_DEFUN([CF_FIND_LINKAGE],[
879 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
880 # will be set on completion of the AC_TRY_LINK below.
881 cf_cv_header_path_$3=
882 cf_cv_library_path_$3=
884 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
888 AC_TRY_LINK([$1],[$2],[
889 cf_cv_find_linkage_$3=yes
890 cf_cv_header_path_$3=/usr/include
891 cf_cv_library_path_$3=/usr/lib
894 LIBS="-l$3 $7 $cf_save_LIBS"
896 AC_TRY_LINK([$1],[$2],[
897 cf_cv_find_linkage_$3=yes
898 cf_cv_header_path_$3=/usr/include
899 cf_cv_library_path_$3=/usr/lib
900 cf_cv_library_file_$3="-l$3"
902 cf_cv_find_linkage_$3=no
905 CF_VERBOSE(find linkage for $3 library)
906 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
908 cf_save_CPPFLAGS="$CPPFLAGS"
909 cf_test_CPPFLAGS="$CPPFLAGS"
911 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
912 for cf_cv_header_path_$3 in $cf_search
914 if test -d $cf_cv_header_path_$3 ; then
915 CF_VERBOSE(... testing $cf_cv_header_path_$3)
916 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
917 AC_TRY_COMPILE([$1],[$2],[
918 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
919 cf_cv_find_linkage_$3=maybe
920 cf_test_CPPFLAGS="$CPPFLAGS"
922 CPPFLAGS="$cf_save_CPPFLAGS"
927 if test "$cf_cv_find_linkage_$3" = maybe ; then
929 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
932 cf_save_LDFLAGS="$LDFLAGS"
935 CPPFLAGS="$cf_test_CPPFLAGS"
936 LIBS="-l$3 $7 $cf_save_LIBS"
937 AC_TRY_LINK([$1],[$2],[
938 CF_VERBOSE(... found $3 library in system)
939 cf_cv_find_linkage_$3=yes])
940 CPPFLAGS="$cf_save_CPPFLAGS"
944 if test "$cf_cv_find_linkage_$3" != yes ; then
945 CF_LIBRARY_PATH(cf_search,$3)
946 for cf_cv_library_path_$3 in $cf_search
948 if test -d $cf_cv_library_path_$3 ; then
949 CF_VERBOSE(... testing $cf_cv_library_path_$3)
950 CPPFLAGS="$cf_test_CPPFLAGS"
951 LIBS="-l$3 $7 $cf_save_LIBS"
952 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
953 AC_TRY_LINK([$1],[$2],[
954 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
955 cf_cv_find_linkage_$3=yes
956 cf_cv_library_file_$3="-l$3"
958 CPPFLAGS="$cf_save_CPPFLAGS"
960 LDFLAGS="$cf_save_LDFLAGS"
964 CPPFLAGS="$cf_save_CPPFLAGS"
965 LDFLAGS="$cf_save_LDFLAGS"
969 cf_cv_find_linkage_$3=no
976 if test "$cf_cv_find_linkage_$3" = yes ; then
978 CF_ADD_INCDIR($cf_cv_header_path_$3)
979 CF_ADD_LIBDIR($cf_cv_library_path_$3)
983 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
986 dnl ---------------------------------------------------------------------------
987 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
988 dnl -----------------
989 dnl make ADAFLAGS consistent with CFLAGS
990 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
991 AC_MSG_CHECKING(optimization options for ADAFLAGS)
999 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
1000 CF_ADD_ADAFLAGS($cf_O_flag)
1003 AC_MSG_RESULT($ADAFLAGS)
1005 dnl ---------------------------------------------------------------------------
1006 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
1007 dnl -----------------
1008 dnl Test for availability of useful gcc __attribute__ directives to quiet
1009 dnl compiler warnings. Though useful, not all are supported -- and contrary
1010 dnl to documentation, unrecognized directives cause older compilers to barf.
1011 AC_DEFUN([CF_GCC_ATTRIBUTES],
1013 if test "$GCC" = yes
1015 cat > conftest.i <<EOF
1017 #define GCC_PRINTF 0
1022 #ifndef GCC_NORETURN
1023 #define GCC_NORETURN /* nothing */
1026 #define GCC_UNUSED /* nothing */
1029 if test "$GCC" = yes
1031 AC_CHECKING([for $CC __attribute__ directives])
1032 cat > conftest.$ac_ext <<EOF
1033 #line __oline__ "${as_me:-configure}"
1034 #include "confdefs.h"
1035 #include "conftest.h"
1036 #include "conftest.i"
1038 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1040 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1043 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1045 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1047 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1048 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1049 extern void foo(void) GCC_NORETURN;
1050 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1052 cf_printf_attribute=no
1053 cf_scanf_attribute=no
1054 for cf_attribute in scanf printf unused noreturn
1056 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1057 cf_directive="__attribute__(($cf_attribute))"
1058 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1060 case $cf_attribute in #(vi
1062 cf_printf_attribute=yes
1063 cat >conftest.h <<EOF
1064 #define GCC_$cf_ATTRIBUTE 1
1068 cf_scanf_attribute=yes
1069 cat >conftest.h <<EOF
1070 #define GCC_$cf_ATTRIBUTE 1
1074 cat >conftest.h <<EOF
1075 #define GCC_$cf_ATTRIBUTE $cf_directive
1080 if AC_TRY_EVAL(ac_compile); then
1081 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1082 cat conftest.h >>confdefs.h
1083 case $cf_attribute in #(vi
1085 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1088 cf_value='/* nothing */'
1089 if test "$cf_printf_attribute" != no ; then
1090 cf_value='__attribute__((format(printf,fmt,var)))'
1091 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1093 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1096 cf_value='/* nothing */'
1097 if test "$cf_scanf_attribute" != no ; then
1098 cf_value='__attribute__((format(scanf,fmt,var)))'
1099 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1101 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1104 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1110 fgrep define conftest.i >>confdefs.h
1115 dnl ---------------------------------------------------------------------------
1116 dnl CF_GCC_VERSION version: 6 updated: 2012/10/06 18:38:34
1118 dnl Find version of gcc
1119 AC_DEFUN([CF_GCC_VERSION],[
1120 AC_REQUIRE([AC_PROG_CC])
1122 if test "$GCC" = yes ; then
1123 AC_MSG_CHECKING(version of $CC)
1124 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(\(GCC\|Debian\)[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1125 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1126 AC_MSG_RESULT($GCC_VERSION)
1129 dnl ---------------------------------------------------------------------------
1130 dnl CF_GCC_WARNINGS version: 29 updated: 2012/06/16 14:55:39
1132 dnl Check if the compiler supports useful warning options. There's a few that
1133 dnl we don't use, simply because they're too noisy:
1135 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1136 dnl -Wredundant-decls (system headers make this too noisy)
1137 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1138 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1139 dnl is enabled for ncurses using "--enable-const".
1143 dnl $1 is an optional list of gcc warning flags that a particular
1144 dnl application might want to use, e.g., "no-unused" for
1147 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1149 AC_DEFUN([CF_GCC_WARNINGS],
1151 AC_REQUIRE([CF_GCC_VERSION])
1152 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1153 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1155 cat > conftest.$ac_ext <<EOF
1156 #line __oline__ "${as_me:-configure}"
1157 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1160 if test "$INTEL_COMPILER" = yes
1162 # The "-wdXXX" options suppress warnings:
1163 # remark #1419: external declaration in primary source file
1164 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1165 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1166 # remark #193: zero used for undefined preprocessing identifier
1167 # remark #593: variable "curs_sb_left_arrow" was set but never used
1168 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1169 # remark #869: parameter "tw" was never referenced
1170 # remark #981: operands are evaluated in unspecified order
1171 # warning #279: controlling expression is constant
1173 AC_CHECKING([for $CC warning options])
1174 cf_save_CFLAGS="$CFLAGS"
1175 EXTRA_CFLAGS="-Wall"
1187 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1188 if AC_TRY_EVAL(ac_compile); then
1189 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1190 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1193 CFLAGS="$cf_save_CFLAGS"
1195 elif test "$GCC" = yes
1197 AC_CHECKING([for $CC warning options])
1198 cf_save_CFLAGS="$CFLAGS"
1201 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1202 for cf_opt in W Wall \
1203 Wbad-function-cast \
1207 Wmissing-declarations \
1208 Wmissing-prototypes \
1212 Wstrict-prototypes \
1213 Wundef $cf_warn_CONST $1
1215 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1216 if AC_TRY_EVAL(ac_compile); then
1217 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1218 case $cf_opt in #(vi
1220 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1223 case $GCC_VERSION in
1225 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1229 Wpointer-arith) #(vi
1230 case $GCC_VERSION in
1232 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1237 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1240 CFLAGS="$cf_save_CFLAGS"
1244 AC_SUBST(EXTRA_CFLAGS)
1246 dnl ---------------------------------------------------------------------------
1247 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1248 dnl ----------------
1249 AC_DEFUN([CF_GNAT_GENERICS],
1251 AC_REQUIRE([CF_GNAT_VERSION])
1253 AC_MSG_CHECKING(if GNAT supports generics)
1254 case $cf_gnat_version in #(vi
1255 3.[[1-9]]*|[[4-9]].*) #(vi
1256 cf_gnat_generics=yes
1262 AC_MSG_RESULT($cf_gnat_generics)
1264 if test "$cf_gnat_generics" = yes
1266 cf_compile_generics=generics
1267 cf_generic_objects="\${GENOBJS}"
1269 cf_compile_generics=
1273 AC_SUBST(cf_compile_generics)
1274 AC_SUBST(cf_generic_objects)
1276 dnl ---------------------------------------------------------------------------
1277 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
1278 dnl --------------------
1279 dnl Check if the gnat pragma "Unreferenced" works.
1280 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
1281 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
1282 CF_GNAT_TRY_LINK([procedure conftest;],
1285 procedure conftest is
1287 pragma Unreferenced (test);
1290 Text_IO.Put ("Hello World");
1292 GNAT.OS_Lib.OS_Exit (0);
1294 [cf_cv_pragma_unreferenced=yes],
1295 [cf_cv_pragma_unreferenced=no])])
1297 # if the pragma is supported, use it (needed in the Trace code).
1298 if test $cf_cv_pragma_unreferenced = yes ; then
1303 AC_SUBST(PRAGMA_UNREF)
1305 dnl ---------------------------------------------------------------------------
1306 dnl CF_GNAT_PROJECTS version: 2 updated: 2011/03/23 20:24:41
1307 dnl ----------------
1308 dnl GNAT projects are configured with ".gpr" project files.
1309 dnl GNAT libraries are a further development, using the project feature.
1310 AC_DEFUN([CF_GNAT_PROJECTS],
1312 AC_REQUIRE([CF_GNAT_VERSION])
1314 cf_gnat_libraries=no
1317 AC_MSG_CHECKING(if GNAT supports project files)
1318 case $cf_gnat_version in #(vi
1322 case $cf_cv_system_name in #(vi
1326 mkdir conftest.src conftest.bin conftest.lib
1328 rm -rf conftest* *~conftest*
1329 cat >>library.gpr <<CF_EOF
1331 Kind := External ("LIB_KIND");
1332 for Library_Name use "ConfTest";
1333 for Object_Dir use ".";
1334 for Library_ALI_Dir use External("LIBRARY_DIR");
1335 for Library_Version use External ("SONAME");
1336 for Library_Kind use Kind;
1337 for Library_Dir use External("BUILD_DIR");
1338 Source_Dir := External ("SOURCE_DIR");
1339 for Source_Dirs use (Source_Dir);
1341 for Default_Switches ("Ada") use
1345 "-gnatVa", -- All validity checks
1346 "-gnatwa"); -- Activate all optional errors
1350 cat >>confpackage.ads <<CF_EOF
1351 package ConfPackage is
1355 cat >>confpackage.adb <<CF_EOF
1357 package body ConfPackage is
1358 procedure conftest is
1360 Text_IO.Put ("Hello World");
1365 if ( $cf_ada_make $ADAFLAGS \
1367 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1368 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1369 -XSOURCE_DIR=`pwd` \
1370 -XSONAME=libConfTest.so.1 \
1371 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1372 cf_gnat_projects=yes
1375 if test -f conftest.lib/confpackage.ali
1377 cf_gnat_libraries=yes
1379 rm -rf conftest* *~conftest*
1384 AC_MSG_RESULT($cf_gnat_projects)
1386 if test $cf_gnat_projects = yes
1388 AC_MSG_CHECKING(if GNAT supports libraries)
1389 AC_MSG_RESULT($cf_gnat_libraries)
1392 if test "$cf_gnat_projects" = yes
1394 USE_OLD_MAKERULES="#"
1395 USE_GNAT_PROJECTS=""
1397 USE_OLD_MAKERULES=""
1398 USE_GNAT_PROJECTS="#"
1401 if test "$cf_gnat_libraries" = yes
1403 USE_GNAT_LIBRARIES=""
1405 USE_GNAT_LIBRARIES="#"
1408 AC_SUBST(USE_OLD_MAKERULES)
1409 AC_SUBST(USE_GNAT_PROJECTS)
1410 AC_SUBST(USE_GNAT_LIBRARIES)
1412 dnl ---------------------------------------------------------------------------
1413 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1415 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1416 dnl is noted that gnat may compile a tasking unit even for configurations which
1417 dnl fail at runtime.
1418 AC_DEFUN([CF_GNAT_SIGINT],[
1419 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1420 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1424 pragma Warnings (Off); -- the next pragma exists since 3.11p
1425 pragma Unreserve_All_Interrupts;
1426 pragma Warnings (On);
1428 protected Process is
1430 function Continue return Boolean;
1431 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1433 Done : Boolean := False;
1437 [package body ConfTest is
1438 protected body Process is
1443 function Continue return Boolean is
1449 [cf_cv_gnat_sigint=yes],
1450 [cf_cv_gnat_sigint=no])])
1452 if test $cf_cv_gnat_sigint = yes ; then
1457 AC_SUBST(USE_GNAT_SIGINT)
1459 dnl ---------------------------------------------------------------------------
1460 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1461 dnl ----------------
1462 dnl Verify that a test program compiles/links with GNAT.
1463 dnl $cf_ada_make is set to the program that compiles/links
1464 dnl $ADAFLAGS may be set to the GNAT flags.
1466 dnl $1 is the text of the spec
1467 dnl $2 is the text of the body
1468 dnl $3 is the shell command to execute if successful
1469 dnl $4 is the shell command to execute if not successful
1470 AC_DEFUN([CF_GNAT_TRY_LINK],
1472 rm -rf conftest* *~conftest*
1473 cat >>conftest.ads <<CF_EOF
1476 cat >>conftest.adb <<CF_EOF
1479 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1480 ifelse($3,, :,[ $3])
1484 rm -rf conftest* *~conftest*
1486 dnl ---------------------------------------------------------------------------
1487 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1489 dnl Verify that a test program compiles and runs with GNAT
1490 dnl $cf_ada_make is set to the program that compiles/links
1491 dnl $ADAFLAGS may be set to the GNAT flags.
1493 dnl $1 is the text of the spec
1494 dnl $2 is the text of the body
1495 dnl $3 is the shell command to execute if successful
1496 dnl $4 is the shell command to execute if not successful
1497 AC_DEFUN([CF_GNAT_TRY_RUN],
1499 rm -rf conftest* *~conftest*
1500 cat >>conftest.ads <<CF_EOF
1503 cat >>conftest.adb <<CF_EOF
1506 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1507 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1508 ifelse($3,, :,[ $3])
1515 rm -rf conftest* *~conftest*
1517 dnl ---------------------------------------------------------------------------
1518 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
1520 dnl Verify version of GNAT.
1521 AC_DEFUN([CF_GNAT_VERSION],
1523 AC_MSG_CHECKING(for gnat version)
1524 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1525 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1526 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1527 AC_MSG_RESULT($cf_gnat_version)
1529 case $cf_gnat_version in #(vi
1530 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
1531 cf_cv_prog_gnat_correct=yes
1534 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1535 cf_cv_prog_gnat_correct=no
1539 dnl ---------------------------------------------------------------------------
1540 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1542 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1543 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1544 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1545 dnl since it is interwoven with GNU extensions.
1547 dnl Well, yes we could work around it...
1548 AC_DEFUN([CF_GNU_SOURCE],
1550 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1551 AC_TRY_COMPILE([#include <sys/types.h>],[
1552 #ifndef _XOPEN_SOURCE
1555 [cf_cv_gnu_source=no],
1556 [cf_save="$CPPFLAGS"
1557 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1558 AC_TRY_COMPILE([#include <sys/types.h>],[
1559 #ifdef _XOPEN_SOURCE
1562 [cf_cv_gnu_source=no],
1563 [cf_cv_gnu_source=yes])
1567 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1569 dnl ---------------------------------------------------------------------------
1570 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
1572 dnl Construct a search-list of directories for a nonstandard header-file
1575 dnl $1 = the variable to return as result
1576 dnl $2 = the package name
1577 AC_DEFUN([CF_HEADER_PATH],
1581 # collect the current set of include-directories from compiler flags
1582 cf_header_path_list=""
1583 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1584 for cf_header_path in $CPPFLAGS $CFLAGS
1586 case $cf_header_path in #(vi
1588 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1589 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1590 cf_header_path_list="$cf_header_path_list [$]$1"
1596 # add the variations for the package we are looking for
1597 CF_SUBDIR_PATH($1,$2,include)
1599 test "$includedir" != NONE && \
1600 test "$includedir" != "/usr/include" && \
1601 test -d "$includedir" && {
1602 test -d $includedir && $1="[$]$1 $includedir"
1603 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1606 test "$oldincludedir" != NONE && \
1607 test "$oldincludedir" != "/usr/include" && \
1608 test -d "$oldincludedir" && {
1609 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1610 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1613 $1="[$]$1 $cf_header_path_list"
1615 dnl ---------------------------------------------------------------------------
1616 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1618 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1619 AC_DEFUN([CF_HELP_MESSAGE],
1620 [AC_DIVERT_HELP([$1])dnl
1622 dnl ---------------------------------------------------------------------------
1623 dnl CF_INCLUDE_DIRS version: 6 updated: 2009/01/06 19:37:40
1625 dnl Construct the list of include-options according to whether we're building
1626 dnl in the source directory or using '--srcdir=DIR' option. If we're building
1627 dnl with gcc, don't append the includedir if it happens to be /usr/include,
1628 dnl since that usually breaks gcc's shadow-includes.
1629 AC_DEFUN([CF_INCLUDE_DIRS],
1631 CPPFLAGS="$CPPFLAGS -I. -I../include"
1632 if test "$srcdir" != "."; then
1633 CPPFLAGS="$CPPFLAGS -I\${srcdir}/../include"
1635 if test "$GCC" != yes; then
1636 CPPFLAGS="$CPPFLAGS -I\${includedir}"
1637 elif test "$includedir" != "/usr/include"; then
1638 if test "$includedir" = '${prefix}/include' ; then
1639 if test $prefix != /usr ; then
1640 CPPFLAGS="$CPPFLAGS -I\${includedir}"
1643 CPPFLAGS="$CPPFLAGS -I\${includedir}"
1648 dnl ---------------------------------------------------------------------------
1649 dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
1650 dnl -----------------
1651 dnl Check if the given compiler is really the Intel compiler for Linux. It
1652 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1653 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1655 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1656 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1657 dnl the wrappers for gcc and g++ warnings.
1659 dnl $1 = GCC (default) or GXX
1660 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1661 dnl $3 = CFLAGS (default) or CXXFLAGS
1662 AC_DEFUN([CF_INTEL_COMPILER],[
1663 ifelse([$2],,INTEL_COMPILER,[$2])=no
1665 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1668 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1669 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1670 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1672 #ifdef __INTEL_COMPILER
1676 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1677 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
1679 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1680 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1685 dnl ---------------------------------------------------------------------------
1686 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
1688 dnl Add checks for large file support.
1689 AC_DEFUN([CF_LARGEFILE],[
1690 ifdef([AC_FUNC_FSEEKO],[
1692 if test "$enable_largefile" != no ; then
1695 # Normally we would collect these definitions in the config.h,
1696 # but (like _XOPEN_SOURCE), some environments rely on having these
1697 # defined before any of the system headers are included. Another
1698 # case comes up with C++, e.g., on AIX the compiler compiles the
1699 # header files by themselves before looking at the body files it is
1700 # told to compile. For ncurses, those header files do not include
1702 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1703 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1704 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1706 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1708 #include <sys/types.h>
1711 /* if transitional largefile support is setup, this is true */
1712 extern struct dirent64 * readdir(DIR *);
1713 struct dirent64 *x = readdir((DIR *)0);
1714 struct dirent *y = readdir((DIR *)0);
1717 [cf_cv_struct_dirent64=yes],
1718 [cf_cv_struct_dirent64=no])
1720 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1724 dnl ---------------------------------------------------------------------------
1725 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
1727 dnl For the given system and compiler, find the compiler flags to pass to the
1728 dnl loader to use the "rpath" feature.
1729 AC_DEFUN([CF_LD_RPATH_OPT],
1731 AC_REQUIRE([CF_CHECK_CACHE])
1734 AC_MSG_CHECKING(for an rpath option)
1735 case $cf_cv_system_name in #(vi
1737 if test "$GCC" = yes; then
1738 LD_RPATH_OPT="-Wl,-rpath,"
1740 LD_RPATH_OPT="-rpath "
1743 linux*|gnu*|k*bsd*-gnu) #(vi
1744 LD_RPATH_OPT="-Wl,-rpath,"
1746 openbsd[[2-9]].*|mirbsd*) #(vi
1747 LD_RPATH_OPT="-Wl,-rpath,"
1749 dragonfly*|freebsd*) #(vi
1750 LD_RPATH_OPT="-rpath "
1753 LD_RPATH_OPT="-Wl,-rpath,"
1756 LD_RPATH_OPT="-rpath "
1764 AC_MSG_RESULT($LD_RPATH_OPT)
1766 case "x$LD_RPATH_OPT" in #(vi
1768 AC_MSG_CHECKING(if we need a space after rpath option)
1769 cf_save_LIBS="$LIBS"
1770 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1771 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1772 LIBS="$cf_save_LIBS"
1773 AC_MSG_RESULT($cf_rpath_space)
1774 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1778 dnl ---------------------------------------------------------------------------
1779 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
1781 dnl Construct a search-list of directories for a nonstandard library-file
1784 dnl $1 = the variable to return as result
1785 dnl $2 = the package name
1786 AC_DEFUN([CF_LIBRARY_PATH],
1789 cf_library_path_list=""
1790 if test -n "${LDFLAGS}${LIBS}" ; then
1791 for cf_library_path in $LDFLAGS $LIBS
1793 case $cf_library_path in #(vi
1795 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1796 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1797 cf_library_path_list="$cf_library_path_list [$]$1"
1803 CF_SUBDIR_PATH($1,$2,lib)
1805 $1="$cf_library_path_list [$]$1"
1807 dnl ---------------------------------------------------------------------------
1808 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
1810 dnl Compute the library-prefix for the given host system
1811 dnl $1 = variable to set
1812 define([CF_LIB_PREFIX],
1814 case $cf_cv_system_name in #(vi
1821 ifelse($1,,,[$1=$LIB_PREFIX])
1822 AC_SUBST(LIB_PREFIX)
1824 dnl ---------------------------------------------------------------------------
1825 dnl CF_LIB_SUFFIX version: 18 updated: 2012/02/25 15:20:07
1827 dnl Compute the library file-suffix from the given model name
1829 dnl $2 = variable to set (the nominal library suffix)
1830 dnl $3 = dependency variable to set (actual filename)
1831 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1832 AC_DEFUN([CF_LIB_SUFFIX],
1834 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
1853 case $cf_cv_system_name in
1858 cygwin*|mingw*) #(vi
1883 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1884 test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
1886 dnl ---------------------------------------------------------------------------
1887 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
1889 dnl Compute the string to append to -library from the given model name
1891 dnl $2 = variable to set
1892 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1893 AC_DEFUN([CF_LIB_TYPE],
1902 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1904 dnl ---------------------------------------------------------------------------
1905 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1906 dnl ----------------
1907 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1908 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1909 dnl have to provide wrappers for global tables to ensure they're linked
1911 AC_DEFUN([CF_LINK_DATAONLY],
1913 AC_MSG_CHECKING([if data-only library module links])
1914 AC_CACHE_VAL(cf_cv_link_dataonly,[
1916 cat >conftest.$ac_ext <<EOF
1917 #line __oline__ "configure"
1918 int testdata[[3]] = { 123, 456, 789 };
1920 if AC_TRY_EVAL(ac_compile) ; then
1921 mv conftest.o data.o && \
1922 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1924 rm -f conftest.$ac_ext data.o
1925 cat >conftest.$ac_ext <<EOF
1926 #line __oline__ "configure"
1930 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1932 extern int testdata[[3]];
1933 return testdata[[0]] == 123
1934 && testdata[[1]] == 456
1935 && testdata[[2]] == 789;
1939 if AC_TRY_EVAL(ac_compile); then
1940 mv conftest.o func.o && \
1941 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1943 rm -f conftest.$ac_ext func.o
1944 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1946 LIBS="conftest.a $LIBS"
1950 extern int testfunc();
1951 ${cf_cv_main_return:-return} (!testfunc());
1954 [cf_cv_link_dataonly=yes],
1955 [cf_cv_link_dataonly=no],
1956 [cf_cv_link_dataonly=unknown])
1959 AC_MSG_RESULT($cf_cv_link_dataonly)
1961 if test "$cf_cv_link_dataonly" = no ; then
1962 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1967 dnl ---------------------------------------------------------------------------
1968 dnl CF_MAKEFLAGS version: 14 updated: 2011/03/31 19:29:46
1970 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1971 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1972 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1973 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1974 AC_DEFUN([CF_MAKEFLAGS],
1976 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1978 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1980 cat >cf_makeflags.tmp <<CF_EOF
1983 @ echo '.$cf_option'
1985 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1986 case "$cf_result" in
1988 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1989 case "$cf_result" in
1990 .*CC=*) cf_cv_makeflags=
1992 *) cf_cv_makeflags=$cf_option
1998 *) echo "given option \"$cf_option\", no match \"$cf_result\""
2002 rm -f cf_makeflags.tmp
2005 AC_SUBST(cf_cv_makeflags)
2007 dnl ---------------------------------------------------------------------------
2008 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2010 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2011 dnl a monocase filesystem.
2012 AC_DEFUN([CF_MAKE_TAGS],[
2013 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2015 AC_CHECK_PROGS(CTAGS, exctags ctags)
2016 AC_CHECK_PROGS(ETAGS, exetags etags)
2018 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2020 if test "$cf_cv_mixedcase" = yes ; then
2021 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2026 if test "$MAKE_UPPER_TAGS" = yes ; then
2032 if test "$MAKE_LOWER_TAGS" = yes ; then
2041 AC_SUBST(MAKE_UPPER_TAGS)
2042 AC_SUBST(MAKE_LOWER_TAGS)
2044 dnl ---------------------------------------------------------------------------
2045 dnl CF_MIXEDCASE_FILENAMES version: 4 updated: 2012/10/02 20:55:03
2046 dnl ----------------------
2047 dnl Check if the file-system supports mixed-case filenames. If we're able to
2048 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2049 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2051 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2052 if test "$cross_compiling" = yes ; then
2053 case $target_alias in #(vi
2054 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
2062 rm -f conftest CONFTEST
2064 if test -f CONFTEST ; then
2069 rm -f conftest CONFTEST
2072 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2074 dnl ---------------------------------------------------------------------------
2075 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2077 dnl Check for a working mkstemp. This creates two files, checks that they are
2078 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2079 AC_DEFUN([CF_MKSTEMP],[
2080 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2083 #include <sys/types.h>
2087 #include <sys/stat.h>
2090 char *tmpl = "conftestXXXXXX";
2098 for (n = 0; n < 2; ++n) {
2099 strcpy(name[n], tmpl);
2100 if ((fd = mkstemp(name[n])) >= 0) {
2101 if (!strcmp(name[n], tmpl)
2102 || stat(name[n], &sb) != 0
2103 || (sb.st_mode & S_IFMT) != S_IFREG
2104 || (sb.st_mode & 077) != 0) {
2111 && !strcmp(name[0], name[1]))
2113 ${cf_cv_main_return:-return}(result);
2115 ],[cf_cv_func_mkstemp=yes
2116 ],[cf_cv_func_mkstemp=no
2117 ],[cf_cv_func_mkstemp=maybe])
2119 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2120 AC_CHECK_FUNC(mkstemp)
2122 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2123 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2126 dnl ---------------------------------------------------------------------------
2127 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2129 dnl Write a debug message to config.log, along with the line number in the
2130 dnl configure script.
2131 AC_DEFUN([CF_MSG_LOG],[
2132 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2134 dnl ---------------------------------------------------------------------------
2135 dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
2136 dnl ----------------
2137 dnl Configure an ncurses add-on, built outside the ncurses tree.
2138 AC_DEFUN([CF_NCURSES_ADDON],[
2140 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2142 AC_MSG_CHECKING(if you want wide-character code)
2143 AC_ARG_ENABLE(widec,
2144 [ --enable-widec compile with wide-char/UTF-8 code],
2145 [with_widec=$enableval],
2147 AC_MSG_RESULT($with_widec)
2148 if test "$with_widec" = yes ; then
2150 CF_NCURSES_CONFIG(ncursesw)
2152 CF_NCURSES_CONFIG(ncurses)
2155 if test "$NCURSES_CONFIG" != none ; then
2157 cf_version=`$NCURSES_CONFIG --version`
2159 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2160 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2161 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2163 # ABI version is not available from headers
2164 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
2168 for cf_name in MAJOR MINOR PATCH
2170 cat >conftest.$ac_ext <<CF_EOF
2171 #include <${cf_cv_ncurses_header:-curses.h}>
2172 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2174 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2176 if test -f conftest.out ; then
2177 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2178 eval NCURSES_$cf_name=\"$cf_result\"
2179 # cat conftest.$ac_ext
2184 cf_cv_abi_version=${NCURSES_MAJOR}
2188 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2190 dnl Show the computed version, for logging
2191 cf_cv_timestamp=`date`
2193 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2195 dnl We need these values in the generated headers
2196 AC_SUBST(NCURSES_MAJOR)
2197 AC_SUBST(NCURSES_MINOR)
2198 AC_SUBST(NCURSES_PATCH)
2200 dnl We need these values in the generated makefiles
2201 AC_SUBST(cf_cv_rel_version)
2202 AC_SUBST(cf_cv_abi_version)
2204 dnl FIXME - not needed for Ada95
2205 AC_SUBST(cf_cv_builtin_bool)
2206 AC_SUBST(cf_cv_header_stdbool_h)
2207 AC_SUBST(cf_cv_type_of_bool)dnl
2210 dnl ---------------------------------------------------------------------------
2211 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2212 dnl -------------------
2213 dnl Check if we can compile with ncurses' header file
2214 dnl $1 is the cache variable to set
2215 dnl $2 is the header-file to include
2216 dnl $3 is the root name (ncurses or ncursesw)
2217 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2219 ]ifelse($3,ncursesw,[
2220 #define _XOPEN_SOURCE_EXTENDED
2221 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2222 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2225 #ifdef NCURSES_VERSION
2226 ]ifelse($3,ncursesw,[
2231 printf("%s\n", NCURSES_VERSION);
2243 dnl ---------------------------------------------------------------------------
2244 dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
2245 dnl -----------------
2246 dnl Tie together the configure-script macros for ncurses.
2247 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2248 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2250 dnl $1 is the root library name (default: "ncurses")
2251 AC_DEFUN([CF_NCURSES_CONFIG],
2253 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2255 echo "Looking for ${cf_ncuconfig_root}-config"
2257 CF_ACVERSION_CHECK(2.52,
2258 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2259 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2261 if test "$NCURSES_CONFIG" != none ; then
2263 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2264 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2266 # even with config script, some packages use no-override for curses.h
2267 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2269 dnl like CF_NCURSES_CPPFLAGS
2270 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2272 dnl like CF_NCURSES_LIBS
2273 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2274 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2276 dnl like CF_NCURSES_VERSION
2277 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2281 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2282 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2286 dnl ---------------------------------------------------------------------------
2287 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2288 dnl -------------------
2289 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2290 dnl the CPPFLAGS variable so we can include its header.
2292 dnl The header files may be installed as either curses.h, or ncurses.h (would
2293 dnl be obsolete, except that some packagers prefer this name to distinguish it
2294 dnl from a "native" curses implementation). If not installed for overwrite,
2295 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2296 dnl /usr/include/ncurses), but someone may have installed overwriting the
2297 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2298 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2301 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2302 dnl is already in the include-path, don't even bother with this, since we cannot
2303 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2305 dnl The optional parameter gives the root name of the library, in case it is
2306 dnl not installed as the default curses library. That is how the
2307 dnl wide-character version of ncurses is installed.
2308 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2309 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2311 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2312 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2314 test -n "$cf_cv_curses_dir" && \
2315 test "$cf_cv_curses_dir" != "no" && { \
2316 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2319 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2320 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2321 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2322 for cf_header in $cf_header_list
2324 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2325 test "$cf_cv_ncurses_h" != no && break
2332 # some applications need this, but should check for NCURSES_VERSION
2333 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2337 dnl ---------------------------------------------------------------------------
2338 dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
2339 dnl -----------------
2340 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2341 dnl variations of ncurses' installs.
2343 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2344 AC_DEFUN([CF_NCURSES_HEADER],[
2346 if test "$cf_cv_ncurses_h" != no ; then
2347 cf_cv_ncurses_header=$cf_cv_ncurses_h
2350 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2351 test -n "$verbose" && echo
2352 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2353 test -n "$verbose" && echo search path $cf_search
2354 cf_save2_CPPFLAGS="$CPPFLAGS"
2355 for cf_incdir in $cf_search
2357 CF_ADD_INCDIR($cf_incdir)
2362 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2363 if test "$cf_cv_ncurses_h2" != no ; then
2364 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2365 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2368 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2370 CPPFLAGS="$cf_save2_CPPFLAGS"
2371 test "$cf_cv_ncurses_h2" != no && break
2373 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2376 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2377 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2378 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2379 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2381 CF_ADD_INCDIR($cf_1st_incdir)
2385 # Set definitions to allow ifdef'ing for ncurses.h
2387 case $cf_cv_ncurses_header in # (vi
2389 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2393 case $cf_cv_ncurses_header in # (vi
2394 ncurses/curses.h|ncurses/ncurses.h)
2395 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2397 ncursesw/curses.h|ncursesw/ncurses.h)
2398 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2403 dnl ---------------------------------------------------------------------------
2404 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2406 dnl Look for the ncurses library. This is a little complicated on Linux,
2407 dnl because it may be linked with the gpm (general purpose mouse) library.
2408 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2409 dnl unusable with ncurses. However, we don't want to link with gpm unless
2410 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2411 dnl and the linker will record a dependency.
2413 dnl The optional parameter gives the root name of the library, in case it is
2414 dnl not installed as the default curses library. That is how the
2415 dnl wide-character version of ncurses is installed.
2416 AC_DEFUN([CF_NCURSES_LIBS],
2417 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2419 cf_nculib_root=ifelse($1,,ncurses,$1)
2420 # This works, except for the special case where we find gpm, but
2421 # ncurses is in a nonstandard location via $LIBS, and we really want
2424 cf_ncurses_SAVE="$LIBS"
2425 AC_CHECK_LIB(gpm,Gpm_Open,
2426 [AC_CHECK_LIB(gpm,initscr,
2427 [LIBS="$cf_ncurses_SAVE"],
2428 [cf_ncurses_LIBS="-lgpm"])])
2430 case $host_os in #(vi
2432 # This is only necessary if you are linking against an obsolete
2433 # version of ncurses (but it should do no harm, since it's static).
2434 if test "$cf_nculib_root" = ncurses ; then
2435 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2440 CF_ADD_LIBS($cf_ncurses_LIBS)
2442 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2444 CF_ADD_LIBS(-l$cf_nculib_root)
2446 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2447 [#include <${cf_cv_ncurses_header:-curses.h}>],
2452 if test -n "$cf_ncurses_LIBS" ; then
2453 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2454 cf_ncurses_SAVE="$LIBS"
2455 for p in $cf_ncurses_LIBS ; do
2456 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2457 if test "$q" != "$LIBS" ; then
2461 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2462 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2463 [AC_MSG_RESULT(yes)],
2465 LIBS="$cf_ncurses_SAVE"])
2468 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2469 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2471 dnl ---------------------------------------------------------------------------
2472 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2473 dnl ------------------
2474 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2475 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2476 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2477 AC_DEFUN([CF_NCURSES_VERSION],
2479 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2480 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2481 cf_cv_ncurses_version=no
2485 #include <${cf_cv_ncurses_header:-curses.h}>
2489 FILE *fp = fopen("$cf_tempfile", "w");
2490 #ifdef NCURSES_VERSION
2491 # ifdef NCURSES_VERSION_PATCH
2492 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2494 fprintf(fp, "%s\n", NCURSES_VERSION);
2498 fprintf(fp, "old\n");
2503 ${cf_cv_main_return:-return}(0);
2505 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2507 # This will not work if the preprocessor splits the line after the
2508 # Autoconf token. The 'unproto' program does that.
2509 cat > conftest.$ac_ext <<EOF
2510 #include <${cf_cv_ncurses_header:-curses.h}>
2512 #ifdef NCURSES_VERSION
2513 Autoconf NCURSES_VERSION
2521 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2523 if test -f conftest.out ; then
2524 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2525 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2531 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2533 dnl ---------------------------------------------------------------------------
2534 dnl CF_OBJ_SUBDIR version: 4 updated: 2002/02/23 20:38:31
2536 dnl Compute the object-directory name from the given model name
2537 AC_DEFUN([CF_OBJ_SUBDIR],
2540 libtool) $2='obj_lo' ;;
2541 normal) $2='objects' ;;
2542 debug) $2='obj_g' ;;
2543 profile) $2='obj_p' ;;
2545 case $cf_cv_system_name in #(vi
2553 dnl ---------------------------------------------------------------------------
2554 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
2556 dnl Provide a value for the $PATH and similar separator (or amend the value
2557 dnl as provided in autoconf 2.5x).
2558 AC_DEFUN([CF_PATHSEP],
2560 AC_MSG_CHECKING(for PATH separator)
2561 case $cf_cv_system_name in
2562 os2*) PATH_SEPARATOR=';' ;;
2563 *) ${PATH_SEPARATOR:=':'} ;;
2565 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2566 AC_SUBST(PATH_SEPARATOR)
2567 AC_MSG_RESULT($PATH_SEPARATOR)
2569 dnl ---------------------------------------------------------------------------
2570 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
2572 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2573 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2574 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2575 dnl delayed evaluation of those symbols.
2576 AC_DEFUN([CF_PATH_SYNTAX],[
2577 if test "x$prefix" != xNONE; then
2578 cf_path_syntax="$prefix"
2580 cf_path_syntax="$ac_default_prefix"
2583 case ".[$]$1" in #(vi
2584 .\[$]\(*\)*|.\'*\'*) #(vi
2588 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
2590 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
2592 case ".[$]$1" in #(vi
2594 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2599 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2602 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2606 dnl ---------------------------------------------------------------------------
2607 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
2609 dnl Check for the package-config program, unless disabled by command-line.
2610 AC_DEFUN([CF_PKG_CONFIG],
2612 AC_MSG_CHECKING(if you want to use pkg-config)
2613 AC_ARG_WITH(pkg-config,
2614 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2615 [cf_pkg_config=$withval],
2616 [cf_pkg_config=yes])
2617 AC_MSG_RESULT($cf_pkg_config)
2619 case $cf_pkg_config in #(vi
2624 CF_ACVERSION_CHECK(2.52,
2625 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2626 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2633 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2634 if test "$PKG_CONFIG" != none ; then
2635 CF_PATH_SYNTAX(PKG_CONFIG)
2638 AC_SUBST(PKG_CONFIG)
2640 dnl ---------------------------------------------------------------------------
2641 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
2642 dnl -----------------
2643 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2645 dnl POSIX.1-1990 _POSIX_SOURCE
2646 dnl POSIX.1-1990 and _POSIX_SOURCE and
2647 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2649 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2650 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2651 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2654 dnl $1 is the nominal value for _POSIX_C_SOURCE
2655 AC_DEFUN([CF_POSIX_C_SOURCE],
2657 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2659 cf_save_CFLAGS="$CFLAGS"
2660 cf_save_CPPFLAGS="$CPPFLAGS"
2662 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2663 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2665 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2666 CF_MSG_LOG(if the symbol is already defined go no further)
2667 AC_TRY_COMPILE([#include <sys/types.h>],[
2668 #ifndef _POSIX_C_SOURCE
2671 [cf_cv_posix_c_source=no],
2672 [cf_want_posix_source=no
2673 case .$cf_POSIX_C_SOURCE in #(vi
2675 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2678 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2679 cf_want_posix_source=yes
2682 cf_want_posix_source=yes
2685 if test "$cf_want_posix_source" = yes ; then
2686 AC_TRY_COMPILE([#include <sys/types.h>],[
2687 #ifdef _POSIX_SOURCE
2690 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2692 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2693 CFLAGS="$cf_trim_CFLAGS"
2694 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2695 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2696 AC_TRY_COMPILE([#include <sys/types.h>],[
2697 #ifndef _POSIX_C_SOURCE
2700 [cf_cv_posix_c_source=no])
2701 CFLAGS="$cf_save_CFLAGS"
2702 CPPFLAGS="$cf_save_CPPFLAGS"
2706 if test "$cf_cv_posix_c_source" != no ; then
2707 CFLAGS="$cf_trim_CFLAGS"
2708 CPPFLAGS="$cf_trim_CPPFLAGS"
2709 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2713 dnl ---------------------------------------------------------------------------
2714 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2716 dnl Check for archiver "ar".
2717 AC_DEFUN([CF_PROG_AR],[
2718 AC_CHECK_TOOL(AR, ar, ar)
2720 dnl ---------------------------------------------------------------------------
2721 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2723 dnl Check for awk, ensure that the check found something.
2724 AC_DEFUN([CF_PROG_AWK],
2727 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2729 dnl ---------------------------------------------------------------------------
2730 dnl CF_PROG_CC version: 3 updated: 2012/10/06 15:31:55
2732 dnl standard check for CC, plus followup sanity checks
2733 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2734 AC_DEFUN([CF_PROG_CC],[
2735 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2737 CF_ACVERSION_CHECK(2.52,
2742 dnl ---------------------------------------------------------------------------
2743 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2745 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2746 dnl the output file can be renamed, and allows for a shell variable that can
2747 dnl be used later. The parameter is either CC or CXX. The result is the
2749 dnl $cf_cv_prog_CC_c_o
2750 dnl $cf_cv_prog_CXX_c_o
2751 AC_DEFUN([CF_PROG_CC_C_O],
2752 [AC_REQUIRE([AC_PROG_CC])dnl
2753 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2754 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2756 cat > conftest.$ac_ext <<CF_EOF
2760 ${cf_cv_main_return:-return}(0);
2763 # We do the test twice because some compilers refuse to overwrite an
2764 # existing .o file with -o, though they will create one.
2765 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2766 if AC_TRY_EVAL(ac_try) &&
2767 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2769 eval cf_cv_prog_$1_c_o=yes
2771 eval cf_cv_prog_$1_c_o=no
2775 if test $cf_cv_prog_$1_c_o = yes; then
2776 AC_MSG_RESULT([yes])
2781 dnl ---------------------------------------------------------------------------
2782 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
2784 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2785 dnl This macro adds a check to ensure the script found something.
2786 AC_DEFUN([CF_PROG_EGREP],
2787 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2788 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2789 then ac_cv_prog_egrep='grep -E'
2790 else ac_cv_prog_egrep='egrep'
2792 EGREP=$ac_cv_prog_egrep
2794 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2796 dnl ---------------------------------------------------------------------------
2797 dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
2799 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2800 AC_DEFUN([CF_PROG_EXT],
2802 AC_REQUIRE([CF_CHECK_CACHE])
2803 case $cf_cv_system_name in
2805 CFLAGS="$CFLAGS -Zmt"
2806 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2807 CXXFLAGS="$CXXFLAGS -Zmt"
2808 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2809 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2819 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2821 dnl ---------------------------------------------------------------------------
2822 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
2824 dnl Check for gnatmake, ensure that it is complete.
2825 AC_DEFUN([CF_PROG_GNAT],[
2826 cf_ada_make=gnatmake
2827 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2828 if test "$ac_cv_prog_gnat_exists" = no; then
2830 cf_cv_prog_gnat_correct=no
2833 AC_CHECK_PROG(M4_exists, m4, yes, no)
2834 if test "$ac_cv_prog_M4_exists" = no; then
2835 cf_cv_prog_gnat_correct=no
2836 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2838 if test "$cf_cv_prog_gnat_correct" = yes; then
2839 AC_MSG_CHECKING(if GNAT works)
2840 CF_GNAT_TRY_RUN([procedure conftest;],
2843 procedure conftest is
2845 Text_IO.Put ("Hello World");
2847 GNAT.OS_Lib.OS_Exit (0);
2848 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2849 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2853 AC_SUBST(cf_ada_make)
2855 dnl ---------------------------------------------------------------------------
2856 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2858 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2859 dnl option if it is supported.
2860 AC_DEFUN([CF_PROG_LN_S],[
2862 AC_MSG_CHECKING(if $LN_S -f options work)
2864 rm -f conf$$.src conf$$dst
2866 echo first >conf$$.src
2867 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2872 rm -f conf$$.dst conf$$src
2873 AC_MSG_RESULT($cf_prog_ln_sf)
2875 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2877 dnl ---------------------------------------------------------------------------
2878 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2879 dnl ----------------
2880 dnl Remove all -U and -D options that refer to the given symbol from a list
2881 dnl of C compiler options. This works around the problem that not all
2882 dnl compilers process -U and -D options from left-to-right, so a -U option
2883 dnl cannot be used to cancel the effect of a preceding -D option.
2885 dnl $1 = target (which could be the same as the source variable)
2886 dnl $2 = source (including '$')
2887 dnl $3 = symbol to remove
2888 define([CF_REMOVE_DEFINE],
2891 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2892 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2894 dnl ---------------------------------------------------------------------------
2895 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2897 dnl Remove the given library from the symbol
2899 dnl $1 = target (which could be the same as the source variable)
2900 dnl $2 = source (including '$')
2901 dnl $3 = library to remove
2902 define([CF_REMOVE_LIB],
2904 # remove $3 library from $2
2905 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2907 dnl ---------------------------------------------------------------------------
2908 dnl CF_SHARED_OPTS version: 70 updated: 2012/02/25 15:20:07
2911 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2914 dnl Note: ${LOCAL_LDFLAGS} is used to link executables that will run within the
2915 dnl build-tree, i.e., by making use of the libraries that are compiled in ../lib
2916 dnl We avoid compiling-in a ../lib path for the shared library since that can
2917 dnl lead to unexpected results at runtime.
2918 dnl ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared libraries
2919 dnl are compiled in ../../lib
2921 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2922 dnl to install symbolic links to the rel/abi versions of shared libraries.
2924 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2925 dnl version when making symbolic links.
2927 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2928 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2929 dnl (ex: libncurses.so.<ver>).
2931 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2932 AC_DEFUN([CF_SHARED_OPTS],
2934 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
2935 AC_REQUIRE([CF_LD_RPATH_OPT])
2939 INSTALL_LIB="-m 644"
2941 cf_cv_do_symlinks=no
2943 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2945 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2946 AC_ARG_WITH(shlib-version,
2947 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2948 [test -z "$withval" && withval=auto
2949 case $withval in #(vi
2951 cf_cv_shlib_version=auto
2953 rel|abi|auto|no) #(vi
2954 cf_cv_shlib_version=$withval
2957 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
2960 ],[cf_cv_shlib_version=auto])
2961 AC_MSG_RESULT($cf_cv_shlib_version)
2965 # Some less-capable ports of gcc support only -fpic
2967 if test "$GCC" = yes
2969 AC_MSG_CHECKING(which $CC option to use)
2970 cf_save_CFLAGS="$CFLAGS"
2971 for CC_SHARED_OPTS in -fPIC -fpic ''
2973 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
2974 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
2976 AC_MSG_RESULT($CC_SHARED_OPTS)
2977 CFLAGS="$cf_save_CFLAGS"
2980 cf_cv_shlib_version_infix=no
2982 case $cf_cv_system_name in #(vi
2983 aix4.[3-9]*|aix[[5-7]]*) #(vi
2984 if test "$GCC" = yes; then
2986 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2988 # CC_SHARED_OPTS='-qpic=large -G'
2989 # perhaps "-bM:SRE -bnoentry -bexpall"
2990 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
2994 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
2998 MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
2999 cf_cv_shlib_version=cygdll
3000 cf_cv_shlib_version_infix=cygdll
3001 cat >mk_shared_lib.sh <<-CF_EOF
3004 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3007 Linking shared library
3008 ** SHARED_LIB \[$]SHARED_LIB
3009 ** IMPORT_LIB \[$]IMPORT_LIB
3011 exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
3013 chmod +x mk_shared_lib.sh
3016 EXTRA_CFLAGS="-no-cpp-precomp"
3017 CC_SHARED_OPTS="-dynamic"
3018 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3019 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3020 cf_cv_shlib_version_infix=yes
3021 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3022 cf_save_LDFLAGS=$LDFLAGS
3023 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3024 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3025 LDFLAGS=$cf_save_LDFLAGS])
3026 if test $cf_cv_ldflags_search_paths_first = yes; then
3027 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3031 # (tested with gcc 2.7.2 -- I don't have c89)
3032 if test "$GCC" = yes; then
3033 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3036 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3038 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3039 # HP-UX shared libraries must be executable, and should be
3040 # readonly to exploit a quirk in the memory manager.
3041 INSTALL_LIB="-m 555"
3044 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3045 if test "$cf_cv_shlib_version" = rel; then
3046 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3048 cf_shared_soname='`basename $@`'
3051 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3054 if test "$cf_cv_enable_rpath" = yes ; then
3055 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3057 # tested with IRIX 5.2 and 'cc'.
3058 if test "$GCC" != yes; then
3059 CC_SHARED_OPTS='-KPIC'
3060 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3062 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3064 cf_cv_rm_so_locs=yes
3066 linux*|gnu*|k*bsd*-gnu) #(vi
3067 if test "$DFT_LWR_MODEL" = "shared" ; then
3068 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3069 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3071 if test "$cf_cv_enable_rpath" = yes ; then
3072 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3075 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3078 cf_cv_shlib_version=mingw
3079 cf_cv_shlib_version_infix=mingw
3081 MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3082 #MK_SHARED_LIB='${CC} ${CFLAGS} -mdll -Wl,-soname,'$cf_cv_shared_soname',-stats -o $[@]'
3083 #MK_SHARED_LIB='${DLLTOOL} --export-all-symbols --output-exp --output-lib $[@]'
3084 cat >mk_shared_lib.sh <<-CF_EOF
3087 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3090 Linking shared library
3091 ** SHARED_LIB \[$]SHARED_LIB
3092 ** IMPORT_LIB \[$]IMPORT_LIB
3094 exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
3096 chmod +x mk_shared_lib.sh
3098 openbsd[[2-9]].*|mirbsd*) #(vi
3099 if test "$DFT_LWR_MODEL" = "shared" ; then
3100 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3101 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3103 if test "$cf_cv_enable_rpath" = yes ; then
3104 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3106 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3108 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3110 nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
3111 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3112 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3113 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3115 dragonfly*|freebsd*) #(vi
3116 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3117 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3118 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3119 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3120 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3123 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
3126 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3127 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3128 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3129 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3130 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3131 if test "$cf_cv_shlib_version" = auto; then
3132 if test -f /usr/libexec/ld.elf_so; then
3133 cf_cv_shlib_version=abi
3135 cf_cv_shlib_version=rel
3139 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3141 MK_SHARED_LIB='${LD} -shared -Bshareable -o $[@]'
3145 # tested with OSF/1 V3.2 and 'cc'
3146 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3147 # link with shared libs).
3148 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3149 case $host_os in #(vi
3151 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3154 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3155 if test "$DFT_LWR_MODEL" = "shared" ; then
3156 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3157 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3159 cf_cv_rm_so_locs=yes
3161 sco3.2v5*) # (also uw2* and UW7: hops 13-Apr-98
3162 # tested with osr5.0.5
3163 if test "$GCC" != yes; then
3164 CC_SHARED_OPTS='-belf -KPIC'
3166 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3167 if test "$cf_cv_enable_rpath" = yes ; then
3168 # only way is to set LD_RUN_PATH but no switch for it
3171 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3172 LINK_PROGS='LD_RUN_PATH=${libdir}'
3173 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3176 # tested with SunOS 4.1.1 and gcc 2.7.0
3177 if test "$GCC" != yes; then
3178 CC_SHARED_OPTS='-KPIC'
3180 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3181 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3184 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3185 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3186 if test "$DFT_LWR_MODEL" = "shared" ; then
3187 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3188 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3190 if test "$cf_cv_enable_rpath" = yes ; then
3191 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3194 if test "$GCC" != yes; then
3195 cf_save_CFLAGS="$CFLAGS"
3196 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3198 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3199 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3201 CFLAGS="$cf_save_CFLAGS"
3202 CC_SHARED_OPTS=$cf_shared_opts
3203 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3205 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3208 sysv5uw7*|unix_sv*) #(vi
3209 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3210 if test "$GCC" != yes; then
3211 CC_SHARED_OPTS='-KPIC'
3213 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3216 CC_SHARED_OPTS='unknown'
3217 MK_SHARED_LIB='echo unknown'
3221 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3222 case "$cf_cv_shlib_version" in #(vi
3224 case "$MK_SHARED_LIB" in #(vi
3226 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3229 AC_MSG_WARN(ignored --with-shlib-version)
3235 # RPATH_LIST is a colon-separated list of directories
3236 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3237 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3239 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3240 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3242 AC_SUBST(CC_SHARED_OPTS)
3243 AC_SUBST(LD_RPATH_OPT)
3244 AC_SUBST(LD_SHARED_OPTS)
3245 AC_SUBST(MK_SHARED_LIB)
3246 AC_SUBST(LINK_PROGS)
3247 AC_SUBST(LINK_TESTS)
3248 AC_SUBST(EXTRA_LDFLAGS)
3249 AC_SUBST(LOCAL_LDFLAGS)
3250 AC_SUBST(LOCAL_LDFLAGS2)
3251 AC_SUBST(INSTALL_LIB)
3252 AC_SUBST(RPATH_LIST)
3254 dnl ---------------------------------------------------------------------------
3255 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3256 dnl ----------------
3257 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3258 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3261 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3262 dnl If missing, use "rel".
3263 define([CF_SHARED_SONAME],
3265 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3266 if test "$cf_cv_shlib_version" = rel; then
3267 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3269 cf_cv_shared_soname='`basename $[@]`'
3272 dnl ---------------------------------------------------------------------------
3273 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3275 dnl Remove "-g" option from the compiler options
3276 AC_DEFUN([CF_STRIP_G_OPT],
3277 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3278 dnl ---------------------------------------------------------------------------
3279 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3281 dnl Construct a search-list for a nonstandard header/lib-file
3282 dnl $1 = the variable to return as result
3283 dnl $2 = the package name
3284 dnl $3 = the subdirectory, e.g., bin, include or lib
3285 AC_DEFUN([CF_SUBDIR_PATH],
3289 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3290 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3291 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3292 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3293 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3295 dnl ---------------------------------------------------------------------------
3296 dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
3298 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3299 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3300 dnl but some packagers change this, breaking various applications.
3301 AC_DEFUN([CF_TERM_HEADER],[
3302 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3303 case ${cf_cv_ncurses_header} in #(vi
3304 */ncurses.h|*/ncursesw.h) #(vi
3305 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3308 cf_term_header=term.h
3312 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3314 AC_TRY_COMPILE([#include <stdio.h>
3315 #include <${cf_cv_ncurses_header:-curses.h}>
3317 ],[int x = auto_left_margin],[
3318 cf_cv_term_header="$cf_test"],[
3319 cf_cv_term_header=unknown
3321 test "$cf_cv_term_header" != unknown && break
3325 # Set definitions to allow ifdef'ing to accommodate subdirectories
3327 case $cf_cv_term_header in # (vi
3329 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3333 case $cf_cv_term_header in # (vi
3334 ncurses/term.h) #(vi
3335 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3338 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3342 dnl ---------------------------------------------------------------------------
3343 dnl CF_TOP_BUILDDIR version: 1 updated: 2006/10/15 16:33:23
3345 dnl Define a top_builddir symbol, for applications that need an absolute path.
3346 AC_DEFUN([CF_TOP_BUILDDIR],
3349 AC_SUBST(top_builddir)
3351 dnl ---------------------------------------------------------------------------
3352 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3353 dnl -------------------
3354 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3355 dnl can define it successfully.
3356 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3357 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3361 #include <sys/types.h>
3363 #ifndef _XOPEN_SOURCE
3366 [cf_cv_xopen_source=no],
3367 [cf_save="$CPPFLAGS"
3368 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3372 #include <sys/types.h>
3374 #ifdef _XOPEN_SOURCE
3377 [cf_cv_xopen_source=no],
3378 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3383 if test "$cf_cv_xopen_source" != no ; then
3384 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3385 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3386 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3387 CF_ADD_CFLAGS($cf_temp_xopen_source)
3390 dnl ---------------------------------------------------------------------------
3391 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3393 dnl Make an uppercase version of a variable
3394 dnl $1=uppercase($2)
3395 AC_DEFUN([CF_UPPER],
3397 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3399 dnl ---------------------------------------------------------------------------
3400 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3402 dnl Check for multibyte support, and if not found, utf8 compatibility library
3403 AC_DEFUN([CF_UTF8_LIB],
3405 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3406 cf_save_LIBS="$LIBS"
3408 #include <stdlib.h>],[putwc(0,0);],
3409 [cf_cv_utf8_lib=yes],
3411 #include <libutf8.h>],[putwc(0,0);],utf8,
3412 [cf_cv_utf8_lib=add-on],
3413 [cf_cv_utf8_lib=no])
3416 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3418 if test "$cf_cv_utf8_lib" = "add-on" ; then
3419 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3420 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3421 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3422 CF_ADD_LIBS($cf_cv_library_file_utf8)
3425 dnl ---------------------------------------------------------------------------
3426 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3428 dnl Use AC_VERBOSE w/o the warnings
3429 AC_DEFUN([CF_VERBOSE],
3430 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3433 dnl ---------------------------------------------------------------------------
3434 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3436 dnl Check for compiler-support for weak symbols.
3437 dnl This works with "recent" gcc.
3438 AC_DEFUN([CF_WEAK_SYMBOLS],[
3439 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3442 #include <stdio.h>],
3444 #if defined(__GNUC__)
3445 # if defined __USE_ISOC99
3446 # define _cat_pragma(exp) _Pragma(#exp)
3447 # define _weak_pragma(exp) _cat_pragma(weak name)
3449 # define _weak_pragma(exp)
3451 # define _declare(name) __extension__ extern __typeof__(name) name
3452 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3456 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3459 dnl ---------------------------------------------------------------------------
3460 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3461 dnl --------------------
3462 dnl Command-line option to specify the Ada95 compiler.
3463 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3464 AC_MSG_CHECKING(for ada-compiler)
3465 AC_ARG_WITH(ada-compiler,
3466 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3467 [cf_ada_compiler=$withval],
3468 [cf_ada_compiler=gnatmake])
3469 AC_SUBST(cf_ada_compiler)
3470 AC_MSG_RESULT($cf_ada_compiler)
3472 dnl ---------------------------------------------------------------------------
3473 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3474 dnl -------------------
3475 dnl Command-line option to specify where Ada includes will install.
3476 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3477 AC_MSG_CHECKING(for ada-include)
3478 CF_WITH_PATH(ada-include,
3479 [ --with-ada-include=DIR Ada includes are in DIR],
3481 PREFIX/share/ada/adainclude,
3482 [$]prefix/share/ada/adainclude)
3483 AC_SUBST(ADA_INCLUDE)
3484 AC_MSG_RESULT($ADA_INCLUDE)
3486 dnl ---------------------------------------------------------------------------
3487 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3488 dnl -------------------
3489 dnl Command-line option to specify where Ada objects will install.
3490 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3491 AC_MSG_CHECKING(for ada-objects)
3492 CF_WITH_PATH(ada-objects,
3493 [ --with-ada-objects=DIR Ada objects are in DIR],
3495 PREFIX/lib/ada/adalib,
3496 [$]prefix/lib/ada/adalib)
3497 AC_SUBST(ADA_OBJECTS)
3498 AC_MSG_RESULT($ADA_OBJECTS)
3500 dnl ---------------------------------------------------------------------------
3501 dnl CF_WITH_ADA_SHAREDLIB version: 2 updated: 2010/06/26 17:35:58
3502 dnl ---------------------
3503 dnl Command-line option to specify if an Ada95 shared-library should be built,
3504 dnl and optionally what its soname should be.
3505 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3506 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3507 AC_ARG_WITH(ada-sharedlib,
3508 [ --with-ada-sharedlib=XX build Ada95 shared-library],
3509 [with_ada_sharedlib=$withval],
3510 [with_ada_sharedlib=no])
3511 AC_MSG_RESULT($with_ada_sharedlib)
3513 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3514 MAKE_ADA_SHAREDLIB="#"
3516 if test "x$with_ada_sharedlib" != xno
3519 if test "x$with_ada_sharedlib" != xyes
3521 ADA_SHAREDLIB="$with_ada_sharedlib"
3525 AC_SUBST(ADA_SHAREDLIB)
3526 AC_SUBST(MAKE_ADA_SHAREDLIB)
3528 dnl ---------------------------------------------------------------------------
3529 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3530 dnl ------------------
3531 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3533 AC_DEFUN([CF_WITH_CURSES_DIR],[
3535 AC_MSG_CHECKING(for specific curses-directory)
3536 AC_ARG_WITH(curses-dir,
3537 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3538 [cf_cv_curses_dir=$withval],
3539 [cf_cv_curses_dir=no])
3540 AC_MSG_RESULT($cf_cv_curses_dir)
3542 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3544 CF_PATH_SYNTAX(withval)
3545 if test -d "$cf_cv_curses_dir"
3547 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3548 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3552 dnl ---------------------------------------------------------------------------
3553 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3554 dnl ------------------
3555 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3556 dnl "lib" prefix, e.g., because it used the dll naming convention.
3558 dnl $1 = variable to set
3559 AC_DEFUN([CF_WITH_LIB_PREFIX],
3561 AC_MSG_CHECKING(if you want to have a library-prefix)
3562 AC_ARG_WITH(lib-prefix,
3563 [ --with-lib-prefix override library-prefix],
3564 [with_lib_prefix=$withval],
3565 [with_lib_prefix=auto])
3566 AC_MSG_RESULT($with_lib_prefix)
3568 if test $with_lib_prefix = auto
3571 elif test $with_lib_prefix = no
3575 LIB_PREFIX=$with_lib_prefix
3578 dnl ---------------------------------------------------------------------------
3579 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3581 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3582 dnl defaulting to yes/no.
3584 dnl $1 = option name
3586 dnl $3 = environment variable to set
3587 dnl $4 = default value, shown in the help-message, must be a constant
3588 dnl $5 = default value, if it's an expression & cannot be in the help-message
3590 AC_DEFUN([CF_WITH_PATH],
3591 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3592 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3593 if ifelse([$5],,true,[test -n "$5"]) ; then
3594 CF_PATH_SYNTAX(withval)
3599 dnl ---------------------------------------------------------------------------
3600 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
3601 dnl -------------------------
3602 dnl Allow the choice of the pkg-config library directory to be overridden.
3603 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3604 if test "$PKG_CONFIG" != none ; then
3605 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3606 AC_ARG_WITH(pkg-config-libdir,
3607 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3608 [PKG_CONFIG_LIBDIR=$withval],
3609 [PKG_CONFIG_LIBDIR=yes])
3611 case x$PKG_CONFIG_LIBDIR in #(vi
3615 # look for the library directory using the same prefix as the executable
3616 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3617 case x`(arch) 2>/dev/null` in #(vi
3619 for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
3621 if test -d $cf_config/pkgconfig
3623 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3629 PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
3637 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3640 AC_SUBST(PKG_CONFIG_LIBDIR)
3642 dnl ---------------------------------------------------------------------------
3643 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
3645 dnl Check for POSIX thread library.
3646 AC_DEFUN([CF_WITH_PTHREAD],
3648 AC_MSG_CHECKING(if you want to link with the pthread library)
3649 AC_ARG_WITH(pthread,
3650 [ --with-pthread use POSIX thread library],
3651 [with_pthread=$withval],
3653 AC_MSG_RESULT($with_pthread)
3655 if test "$with_pthread" != no ; then
3656 AC_CHECK_HEADER(pthread.h,[
3657 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3659 for cf_lib_pthread in pthread c_r
3661 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3662 cf_save_LIBS="$LIBS"
3663 CF_ADD_LIB($cf_lib_pthread)
3665 #include <pthread.h>
3667 int rc = pthread_create(0,0,0,0);
3668 int r2 = pthread_mutexattr_settype(0, 0);
3669 ],[with_pthread=yes],[with_pthread=no])
3670 LIBS="$cf_save_LIBS"
3671 AC_MSG_RESULT($with_pthread)
3672 test "$with_pthread" = yes && break
3675 if test "$with_pthread" = yes ; then
3676 CF_ADD_LIB($cf_lib_pthread)
3677 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3679 AC_MSG_ERROR(Cannot link with pthread library)
3684 dnl ---------------------------------------------------------------------------
3685 dnl CF_XOPEN_SOURCE version: 42 updated: 2012/01/07 08:26:49
3687 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3688 dnl or adapt to the vendor's definitions to get equivalent functionality,
3689 dnl without losing the common non-POSIX features.
3692 dnl $1 is the nominal value for _XOPEN_SOURCE
3693 dnl $2 is the nominal value for _POSIX_C_SOURCE
3694 AC_DEFUN([CF_XOPEN_SOURCE],[
3696 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3697 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3700 case $host_os in #(vi
3702 cf_xopen_source="-D_ALL_SOURCE"
3707 darwin[[0-8]].*) #(vi
3708 cf_xopen_source="-D_APPLE_C_SOURCE"
3711 cf_xopen_source="-D_DARWIN_C_SOURCE"
3714 freebsd*|dragonfly*) #(vi
3715 # 5.x headers associate
3716 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3717 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3718 cf_POSIX_C_SOURCE=200112L
3720 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3723 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3726 cf_xopen_source="-D_HPUX_SOURCE"
3729 cf_xopen_source="-D_SGI_SOURCE"
3732 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
3736 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3738 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3741 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3743 openbsd[[4-9]]*) #(vi
3744 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3745 cf_xopen_source="-D_BSD_SOURCE"
3749 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3752 cf_xopen_source="-D_OSF_SOURCE"
3755 cf_xopen_source="-D_QNX_SOURCE"
3758 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3761 cf_xopen_source="-D__EXTENSIONS__"
3765 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3769 if test -n "$cf_xopen_source" ; then
3770 CF_ADD_CFLAGS($cf_xopen_source)
3773 dnl In anything but the default case, we may have system-specific setting
3774 dnl which is still not guaranteed to provide all of the entrypoints that
3775 dnl _XOPEN_SOURCE would yield.
3776 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3777 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3778 AC_TRY_COMPILE([#include <stdlib.h>],[
3779 #ifndef _XOPEN_SOURCE
3782 [cf_XOPEN_SOURCE_set=yes],
3783 [cf_XOPEN_SOURCE_set=no])
3784 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3785 if test $cf_XOPEN_SOURCE_set = yes
3787 AC_TRY_COMPILE([#include <stdlib.h>],[
3788 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3791 [cf_XOPEN_SOURCE_set_ok=yes],
3792 [cf_XOPEN_SOURCE_set_ok=no])
3793 if test $cf_XOPEN_SOURCE_set_ok = no
3795 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)