1 dnl macros used for DIALOG configure script
2 dnl $Id: aclocal.m4,v 1.82 2011/06/28 22:48:31 tom Exp $
3 dnl ---------------------------------------------------------------------------
4 dnl Copyright 1999-2010,2011 -- Thomas E. Dickey
6 dnl Permission is hereby granted, free of charge, to any person obtaining a
7 dnl copy of this software and associated documentation files (the
8 dnl "Software"), to deal in the Software without restriction, including
9 dnl without limitation the rights to use, copy, modify, merge, publish,
10 dnl distribute, distribute with modifications, sublicense, and/or sell
11 dnl copies of the Software, and to permit persons to whom the Software is
12 dnl furnished to do so, subject to the following conditions:
14 dnl The above copyright notice and this permission notice shall be included
15 dnl in all copies or portions of the Software.
17 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
21 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
22 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
23 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 dnl Except as contained in this notice, the name(s) of the above copyright
26 dnl holders shall not be used in advertising or otherwise to promote the
27 dnl sale, use or other dealings in this Software without prior written
31 dnl http://invisible-island.net/autoconf/
32 dnl ---------------------------------------------------------------------------
33 dnl ---------------------------------------------------------------------------
34 dnl AM_GNU_GETTEXT version: 12 updated: 2010/06/19 07:02:11
36 dnl Usage: Just like AM_WITH_NLS, which see.
37 AC_DEFUN([AM_GNU_GETTEXT],
38 [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
39 AC_REQUIRE([AC_PROG_CC])dnl
40 AC_REQUIRE([AC_CANONICAL_HOST])dnl
41 AC_REQUIRE([AC_PROG_RANLIB])dnl
42 AC_REQUIRE([AC_ISC_POSIX])dnl
43 AC_REQUIRE([AC_HEADER_STDC])dnl
44 AC_REQUIRE([AC_C_CONST])dnl
45 AC_REQUIRE([AC_C_INLINE])dnl
46 AC_REQUIRE([AC_TYPE_OFF_T])dnl
47 AC_REQUIRE([AC_TYPE_SIZE_T])dnl
48 AC_REQUIRE([AC_FUNC_ALLOCA])dnl
49 AC_REQUIRE([AC_FUNC_MMAP])dnl
50 AC_REQUIRE([jm_GLIBC21])dnl
52 AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \
53 stdlib.h string.h unistd.h sys/param.h])
54 AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getcwd getegid geteuid \
55 getgid getuid mempcpy munmap putenv setenv setlocale stpcpy strchr strcasecmp \
56 strdup strtoul tsearch __argz_count __argz_stringify __argz_next])
61 AM_WITH_NLS([$1],[$2],[$3],[$4])
63 if test "x$CATOBJEXT" != "x"; then
64 if test "x$ALL_LINGUAS" = "x"; then
67 AC_MSG_CHECKING(for catalogs to be installed)
69 for presentlang in $ALL_LINGUAS; do
71 for desiredlang in ${LINGUAS-$ALL_LINGUAS}; do
72 # Use the presentlang catalog if desiredlang is
73 # a. equal to presentlang, or
74 # b. a variant of presentlang (because in this case,
75 # presentlang can be used as a fallback for messages
76 # which are not translated in the desiredlang catalog).
77 case "$desiredlang" in
78 "$presentlang"*) useit=yes;;
81 if test $useit = yes; then
82 NEW_LINGUAS="$NEW_LINGUAS $presentlang"
86 AC_MSG_RESULT($LINGUAS)
89 dnl Construct list of names of catalog files to be constructed.
90 if test -n "$LINGUAS"; then
91 for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
95 dnl Enable libtool support if the surrounding package wishes it.
96 INTL_LIBTOOL_SUFFIX_PREFIX=ifelse([$1], use-libtool, [l], [])
97 AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX)
99 dnl ---------------------------------------------------------------------------
100 dnl AM_ICONV version: 12 updated: 2007/07/30 19:12:03
102 dnl Inserted as requested by gettext 0.10.40
103 dnl File from /usr/share/aclocal
105 dnl ====================
108 dnl From Bruno Haible.
110 dnl ====================
111 dnl Modified to use CF_FIND_LINKAGE and CF_ADD_SEARCHPATH, to broaden the
112 dnl range of locations searched. Retain the same cache-variable naming to
113 dnl allow reuse with the other gettext macros -Thomas E Dickey
116 dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
117 dnl those with the standalone portable GNU libiconv installed).
119 AC_ARG_WITH([libiconv-prefix],
120 [ --with-libiconv-prefix=DIR
121 search for libiconv in DIR/include and DIR/lib], [
122 CF_ADD_OPTIONAL_PATH($withval, libiconv)
125 AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
126 CF_FIND_LINKAGE(CF__ICONV_HEAD,
129 am_cv_func_iconv=yes,
130 am_cv_func_iconv=["no, consider installing GNU libiconv"])])
132 if test "$am_cv_func_iconv" = yes; then
133 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
135 AC_CACHE_CHECK([if the declaration of iconv() needs const.],
136 am_cv_proto_iconv_const,[
137 AC_TRY_COMPILE(CF__ICONV_HEAD [
142 #if defined(__STDC__) || defined(__cplusplus)
143 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
147 ],[], am_cv_proto_iconv_const=no,
148 am_cv_proto_iconv_const=yes)])
150 if test "$am_cv_proto_iconv_const" = yes ; then
151 am_cv_proto_iconv_arg1="const"
153 am_cv_proto_iconv_arg1=""
156 AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
157 [Define as const if the declaration of iconv() needs const.])
161 if test "$cf_cv_find_linkage_iconv" = yes; then
162 CF_ADD_INCDIR($cf_cv_header_path_iconv)
163 if test -n "$cf_cv_library_file_iconv" ; then
165 CF_ADD_LIBDIR($cf_cv_library_path_iconv)
171 dnl ---------------------------------------------------------------------------
172 dnl AM_LANGINFO_CODESET version: 3 updated: 2002/10/27 23:21:42
173 dnl -------------------
174 dnl Inserted as requested by gettext 0.10.40
175 dnl File from /usr/share/aclocal
177 dnl ====================
180 dnl From Bruno Haible.
181 AC_DEFUN([AM_LANGINFO_CODESET],
183 AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
184 [AC_TRY_LINK([#include <langinfo.h>],
185 [char* cs = nl_langinfo(CODESET);],
186 am_cv_langinfo_codeset=yes,
187 am_cv_langinfo_codeset=no)
189 if test $am_cv_langinfo_codeset = yes; then
190 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
191 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
194 dnl ---------------------------------------------------------------------------
195 dnl AM_LC_MESSAGES version: 4 updated: 2002/10/27 23:21:42
197 dnl Inserted as requested by gettext 0.10.40
198 dnl File from /usr/share/aclocal
200 dnl ====================
201 dnl Check whether LC_MESSAGES is available in <locale.h>.
202 dnl Ulrich Drepper <drepper@cygnus.com>, 1995.
204 dnl This file can be copied and used freely without restrictions. It can
205 dnl be used in projects which are not available under the GNU General Public
206 dnl License or the GNU Library General Public License but which still want
207 dnl to provide support for the GNU gettext functionality.
208 dnl Please note that the actual code of the GNU gettext library is covered
209 dnl by the GNU Library General Public License, and the rest of the GNU
210 dnl gettext package package is covered by the GNU General Public License.
211 dnl They are *not* in the public domain.
215 AC_DEFUN([AM_LC_MESSAGES],
216 [if test $ac_cv_header_locale_h = yes; then
217 AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
218 [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
219 am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
220 if test $am_cv_val_LC_MESSAGES = yes; then
221 AC_DEFINE(HAVE_LC_MESSAGES, 1,
222 [Define if your <locale.h> file defines LC_MESSAGES.])
225 dnl ---------------------------------------------------------------------------
226 dnl AM_PATH_PROG_WITH_TEST version: 8 updated: 2009/01/11 20:31:12
227 dnl ----------------------
228 dnl Inserted as requested by gettext 0.10.40
229 dnl File from /usr/share/aclocal
231 dnl ====================
232 dnl Search path for a program which passes the given test.
233 dnl Ulrich Drepper <drepper@cygnus.com>, 1996.
235 dnl This file can be copied and used freely without restrictions. It can
236 dnl be used in projects which are not available under the GNU General Public
237 dnl License or the GNU Library General Public License but which still want
238 dnl to provide support for the GNU gettext functionality.
239 dnl Please note that the actual code of the GNU gettext library is covered
240 dnl by the GNU Library General Public License, and the rest of the GNU
241 dnl gettext package package is covered by the GNU General Public License.
242 dnl They are *not* in the public domain.
246 dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
247 dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
248 AC_DEFUN([AM_PATH_PROG_WITH_TEST],
249 [# Extract the first word of "$2", so it can be a program name with args.
250 AC_REQUIRE([CF_PATHSEP])
251 set dummy $2; ac_word=[$]2
252 AC_MSG_CHECKING([for $ac_word])
253 AC_CACHE_VAL(ac_cv_path_$1,
256 ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
259 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
260 for ac_dir in ifelse([$5], , $PATH, [$5]); do
261 test -z "$ac_dir" && ac_dir=.
262 if test -f $ac_dir/$ac_word$ac_exeext; then
264 ac_cv_path_$1="$ac_dir/$ac_word$ac_exeext"
270 dnl If no 4th arg is given, leave the cache variable unset,
271 dnl so AC_PATH_PROGS will keep looking.
272 ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
277 if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
284 dnl ---------------------------------------------------------------------------
285 dnl AM_WITH_NLS version: 24 updated: 2010/06/20 09:24:28
287 dnl Inserted as requested by gettext 0.10.40
288 dnl File from /usr/share/aclocal
290 dnl ====================
291 dnl Macro to add for using GNU gettext.
292 dnl Ulrich Drepper <drepper@cygnus.com>, 1995.
293 dnl ====================
294 dnl Modified to use CF_FIND_LINKAGE and CF_ADD_SEARCHPATH, to broaden the
295 dnl range of locations searched. Retain the same cache-variable naming to
296 dnl allow reuse with the other gettext macros -Thomas E Dickey
297 dnl ====================
299 dnl This file can be copied and used freely without restrictions. It can
300 dnl be used in projects which are not available under the GNU General Public
301 dnl License or the GNU Library General Public License but which still want
302 dnl to provide support for the GNU gettext functionality.
303 dnl Please note that the actual code of the GNU gettext library is covered
304 dnl by the GNU Library General Public License, and the rest of the GNU
305 dnl gettext package package is covered by the GNU General Public License.
306 dnl They are *not* in the public domain.
310 dnl Usage: AM_WITH_NLS([TOOLSYMBOL], [NEEDSYMBOL], [LIBDIR], [ENABLED]).
311 dnl If TOOLSYMBOL is specified and is 'use-libtool', then a libtool library
312 dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static,
313 dnl depending on --{enable,disable}-{shared,static} and on the presence of
314 dnl AM-DISABLE-SHARED). Otherwise, a static library
315 dnl $(top_builddir)/intl/libintl.a will be created.
316 dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext
317 dnl implementations (in libc or libintl) without the ngettext() function
319 dnl LIBDIR is used to find the intl libraries. If empty,
320 dnl the value `$(top_builddir)/intl/' is used.
321 dnl ENABLED is used to control the default for the related --enable-nls, since
322 dnl not all application developers want this feature by default, e.g., lynx.
324 dnl The result of the configuration is one of three cases:
325 dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled
327 dnl Catalog format: GNU --> install in $(datadir)
328 dnl Catalog extension: .mo after installation, .gmo in source tree
329 dnl 2) GNU gettext has been found in the system's C library.
330 dnl Catalog format: GNU --> install in $(datadir)
331 dnl Catalog extension: .mo after installation, .gmo in source tree
332 dnl 3) No internationalization, always use English msgid.
333 dnl Catalog format: none
334 dnl Catalog extension: none
335 dnl The use of .gmo is historical (it was needed to avoid overwriting the
336 dnl GNU format catalogs when building on a platform with an X/Open gettext),
337 dnl but we keep it in order not to force irrelevant filename changes on the
340 AC_DEFUN([AM_WITH_NLS],
341 [AC_MSG_CHECKING([whether NLS is requested])
342 dnl Default is enabled NLS
345 [ --disable-nls do not use Native Language Support],
346 USE_NLS=$enableval, USE_NLS=yes)],[
348 [ --enable-nls use Native Language Support],
349 USE_NLS=$enableval, USE_NLS=no)])
350 AC_MSG_RESULT($USE_NLS)
353 BUILD_INCLUDED_LIBINTL=no
354 USE_INCLUDED_LIBINTL=no
357 dnl If we use NLS figure out what method
358 if test "$USE_NLS" = "yes"; then
359 AC_DEFINE(ENABLE_NLS, 1,
360 [Define to 1 if translation of program messages to the user's native language
362 AC_MSG_CHECKING([whether included gettext is requested])
363 AC_ARG_WITH(included-gettext,
364 [ --with-included-gettext use the GNU gettext library included here],
365 nls_cv_force_use_gnu_gettext=$withval,
366 nls_cv_force_use_gnu_gettext=no)
367 AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
369 nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
370 if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
371 dnl User does not insist on using GNU NLS library. Figure out what
372 dnl to use. If GNU gettext is available we use this. Else we have
373 dnl to fall back to GNU NLS library.
376 cf_save_LIBS_1="$LIBS"
377 CF_ADD_LIBS($LIBICONV)
378 AC_CACHE_CHECK([for libintl.h and gettext()], cf_cv_func_gettext,[
379 CF_FIND_LINKAGE(CF__INTL_HEAD,
382 cf_cv_func_gettext=yes,
383 cf_cv_func_gettext=no)
385 LIBS="$cf_save_LIBS_1"
387 if test "$cf_cv_func_gettext" = yes ; then
388 AC_DEFINE(HAVE_LIBINTL_H)
390 dnl If an already present or preinstalled GNU gettext() is found,
391 dnl use it. But if this macro is used in GNU gettext, and GNU
392 dnl gettext is already preinstalled in libintl, we update this
393 dnl libintl. (Cf. the install rule in intl/Makefile.in.)
394 if test "$PACKAGE" != gettext; then
395 AC_DEFINE(HAVE_GETTEXT, 1,
396 [Define if the GNU gettext() function is already present or preinstalled.])
398 CF_ADD_INCDIR($cf_cv_header_path_intl)
400 if test -n "$cf_cv_library_file_intl" ; then
401 dnl If iconv() is in a separate libiconv library, then anyone
402 dnl linking with libintl{.a,.so} also needs to link with
404 INTLLIBS="$cf_cv_library_file_intl $LIBICONV"
405 CF_ADD_LIBDIR($cf_cv_library_path_intl,INTLLIBS)
409 LIBS="$LIBS $INTLLIBS"
410 AC_CHECK_FUNCS(dcgettext)
413 dnl Search for GNU msgfmt in the PATH.
414 AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
415 [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :)
416 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
418 dnl Search for GNU xgettext in the PATH.
419 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
420 [$ac_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :)
426 if test "$CATOBJEXT" = "NONE"; then
427 dnl GNU gettext is not found in the C library.
428 dnl Fall back on GNU gettext library.
429 nls_cv_use_gnu_gettext=yes
433 if test "$nls_cv_use_gnu_gettext" = "yes"; then
434 if test ! -d $srcdir/intl ; then
435 AC_MSG_ERROR(no NLS library is packaged with this application)
437 dnl Mark actions used to generate GNU NLS library.
438 INTLOBJS="\$(GETTOBJS)"
439 AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
440 [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :)
441 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
442 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
443 [$ac_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :)
445 BUILD_INCLUDED_LIBINTL=yes
446 USE_INCLUDED_LIBINTL=yes
448 INTLLIBS="ifelse([$3],[],\$(top_builddir)/intl,[$3])/libintl.ifelse([$1], use-libtool, [l], [])a $LIBICONV"
449 LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
452 dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
453 dnl Test whether we really found GNU msgfmt.
454 if test "$GMSGFMT" != ":"; then
455 dnl If it is no GNU msgfmt we define it as : so that the
456 dnl Makefiles still can work.
457 if $GMSGFMT --statistics /dev/null >/dev/null 2>&1; then
461 [found msgfmt program is not GNU msgfmt; ignore it])
466 dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
467 dnl Test whether we really found GNU xgettext.
468 if test "$XGETTEXT" != ":"; then
469 dnl If it is no GNU xgettext we define it as : so that the
470 dnl Makefiles still can work.
471 if $XGETTEXT --omit-header /dev/null >/dev/null 2>&1; then
475 [found xgettext program is not GNU xgettext; ignore it])
480 dnl We need to process the po/ directory.
485 [for ac_file in $CONFIG_FILES; do
487 # Support "outfile[:infile[:infile...]]"
489 *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
492 # PO directories have a Makefile.in generated from Makefile.inn.
493 case "$ac_file" in */[Mm]akefile.in)
494 # Adjust a relative srcdir.
495 ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
496 ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`"
497 ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
498 ac_base=`basename $ac_file .in`
499 # In autoconf-2.13 it is called $ac_given_srcdir.
500 # In autoconf-2.50 it is called $srcdir.
501 test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
503 case "$ac_given_srcdir" in
504 .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
505 /*) top_srcdir="$ac_given_srcdir" ;;
506 *) top_srcdir="$ac_dots$ac_given_srcdir" ;;
509 if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
510 rm -f "$ac_dir/POTFILES"
511 test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
512 sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," -e "\$s/\(.*\) \\\\/\1/" < "$ac_given_srcdir/$ac_dir/POTFILES.in" > "$ac_dir/POTFILES"
513 test -n "$as_me" && echo "$as_me: creating $ac_dir/$ac_base" || echo "creating $ac_dir/$ac_base"
514 sed -e "/POTFILES =/r $ac_dir/POTFILES" "$ac_dir/$ac_base.in" > "$ac_dir/$ac_base"
520 dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
521 dnl to 'yes' because some of the testsuite requires it.
522 if test "$PACKAGE" = gettext; then
523 BUILD_INCLUDED_LIBINTL=yes
526 dnl intl/plural.c is generated from intl/plural.y. It requires bison,
527 dnl because plural.y uses bison specific features. It requires at least
528 dnl bison-1.26 because earlier versions generate a plural.c that doesn't
530 dnl bison is only needed for the maintainer (who touches plural.y). But in
531 dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
532 dnl the rule in general Makefile. Now, some people carelessly touch the
533 dnl files or have a broken "make" program, hence the plural.c rule will
534 dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
535 dnl present or too old.
536 if test "$nls_cv_use_gnu_gettext" = "yes"; then
537 AC_CHECK_PROGS([INTLBISON], [bison])
538 if test -z "$INTLBISON"; then
541 dnl Found it, now check the version.
542 AC_MSG_CHECKING([version of bison])
543 changequote(<<,>>)dnl
544 ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
545 case $ac_prog_version in
546 '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
547 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
549 ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
550 *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
552 AC_MSG_RESULT([$ac_prog_version])
554 if test $ac_verc_fail = yes; then
559 dnl These rules are solely for the distribution goal. While doing this
560 dnl we only have to keep exactly one list of the available catalogs
562 for lang in $ALL_LINGUAS; do
563 GMOFILES="$GMOFILES $lang.gmo"
564 POFILES="$POFILES $lang.po"
567 dnl Make all variables we use known to autoconf.
568 AC_SUBST(BUILD_INCLUDED_LIBINTL)
569 AC_SUBST(USE_INCLUDED_LIBINTL)
578 dnl For backward compatibility. Some configure.ins may be using this.
582 dnl For backward compatibility. Some Makefiles may be using this.
584 AC_SUBST(DATADIRNAME)
586 dnl For backward compatibility. Some Makefiles may be using this.
590 dnl For backward compatibility. Some Makefiles may be using this.
594 dnl ---------------------------------------------------------------------------
595 dnl CF_AC_PREREQ version: 2 updated: 1997/09/06 13:24:56
597 dnl Conditionally generate script according to whether we're using the release
598 dnl version of autoconf, or a patched version (using the ternary component as
599 dnl the patch-version).
602 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)),
603 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])), [$1], [$2], [$3])])dnl
604 dnl ---------------------------------------------------------------------------
605 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
607 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
608 dnl The second parameter if given makes this macro verbose.
610 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
611 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
612 dnl confused by the quotes (which require backslashes to keep them usable).
613 AC_DEFUN([CF_ADD_CFLAGS],
618 cf_new_extra_cppflags=
620 for cf_add_cflags in $1
622 case $cf_fix_cppflags in
624 case $cf_add_cflags in #(vi
625 -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
626 case $cf_add_cflags in
628 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
630 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
631 && test -z "${cf_tst_cflags}" \
632 && cf_fix_cppflags=yes
634 if test $cf_fix_cppflags = yes ; then
635 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
637 elif test "${cf_tst_cflags}" = "\"'" ; then
638 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
644 *$cf_add_cflags) #(vi
647 case $cf_add_cflags in #(vi
649 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
650 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
653 cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
658 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
663 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
665 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
667 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
668 && test -z "${cf_tst_cflags}" \
669 && cf_fix_cppflags=no
674 if test -n "$cf_new_cflags" ; then
675 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
676 CFLAGS="$CFLAGS $cf_new_cflags"
679 if test -n "$cf_new_cppflags" ; then
680 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
681 CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
684 if test -n "$cf_new_extra_cppflags" ; then
685 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
686 EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
689 AC_SUBST(EXTRA_CPPFLAGS)
692 dnl ---------------------------------------------------------------------------
693 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
695 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
696 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
697 dnl but old versions (and some misinstalled ones) need that. To make things
698 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
699 dnl the include-path).
700 AC_DEFUN([CF_ADD_INCDIR],
702 if test -n "$1" ; then
703 for cf_add_incdir in $1
705 while test $cf_add_incdir != /usr/include
707 if test -d $cf_add_incdir
710 if test -n "$CFLAGS$CPPFLAGS" ; then
711 # a loop is needed to ensure we can add subdirs of existing dirs
712 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
713 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
714 cf_have_incdir=yes; break
719 if test "$cf_have_incdir" = no ; then
720 if test "$cf_add_incdir" = /usr/local/include ; then
723 cf_save_CPPFLAGS=$CPPFLAGS
724 CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
725 AC_TRY_COMPILE([#include <stdio.h>],
728 [cf_have_incdir=yes])
729 CPPFLAGS=$cf_save_CPPFLAGS
734 if test "$cf_have_incdir" = no ; then
735 CF_VERBOSE(adding $cf_add_incdir to include-path)
736 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
738 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
739 test "$cf_top_incdir" = "$cf_add_incdir" && break
740 cf_add_incdir="$cf_top_incdir"
749 dnl ---------------------------------------------------------------------------
750 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
752 dnl Add a library, used to enforce consistency.
754 dnl $1 = library to add, without the "-l"
755 dnl $2 = variable to update (default $LIBS)
756 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
757 dnl ---------------------------------------------------------------------------
758 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
760 dnl Adds to the library-path
762 dnl Some machines have trouble with multiple -L options.
764 dnl $1 is the (list of) directory(s) to add
765 dnl $2 is the optional name of the variable to update (default LDFLAGS)
767 AC_DEFUN([CF_ADD_LIBDIR],
769 if test -n "$1" ; then
770 for cf_add_libdir in $1
772 if test $cf_add_libdir = /usr/lib ; then
774 elif test -d $cf_add_libdir
777 if test -n "$LDFLAGS$LIBS" ; then
778 # a loop is needed to ensure we can add subdirs of existing dirs
779 for cf_test_libdir in $LDFLAGS $LIBS ; do
780 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
781 cf_have_libdir=yes; break
785 if test "$cf_have_libdir" = no ; then
786 CF_VERBOSE(adding $cf_add_libdir to library-path)
787 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
793 dnl ---------------------------------------------------------------------------
794 dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
796 dnl Add one or more libraries, used to enforce consistency.
798 dnl $1 = libraries to add, with the "-l", etc.
799 dnl $2 = variable to update (default $LIBS)
800 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
801 dnl ---------------------------------------------------------------------------
802 dnl CF_ADD_OPTIONAL_PATH version: 1 updated: 2007/07/29 12:33:33
803 dnl --------------------
804 dnl Add an optional search-path to the compile/link variables.
807 dnl $1 = shell variable containing the result of --with-XXX=[DIR]
808 dnl $2 = module to look for.
809 AC_DEFUN([CF_ADD_OPTIONAL_PATH],[
816 CF_ADD_SEARCHPATH([$1], [AC_MSG_ERROR(cannot find $2 under $1)])
820 dnl ---------------------------------------------------------------------------
821 dnl CF_ADD_SEARCHPATH version: 5 updated: 2009/01/11 20:40:21
822 dnl -----------------
823 dnl Set $CPPFLAGS and $LDFLAGS with the directories given via the parameter.
824 dnl They can be either the common root of include- and lib-directories, or the
825 dnl lib-directory (to allow for things like lib64 directories).
826 dnl See also CF_FIND_LINKAGE.
828 dnl $1 is the list of colon-separated directory names to search.
829 dnl $2 is the action to take if a parameter does not yield a directory.
830 AC_DEFUN([CF_ADD_SEARCHPATH],
832 AC_REQUIRE([CF_PATHSEP])
833 for cf_searchpath in `echo "$1" | tr $PATH_SEPARATOR ' '`; do
834 if test -d $cf_searchpath/include; then
835 CF_ADD_INCDIR($cf_searchpath/include)
836 elif test -d $cf_searchpath/../include ; then
837 CF_ADD_INCDIR($cf_searchpath/../include)
841 if test -d $cf_searchpath/lib; then
842 CF_ADD_LIBDIR($cf_searchpath/lib)
843 elif test -d $cf_searchpath ; then
844 CF_ADD_LIBDIR($cf_searchpath)
850 dnl ---------------------------------------------------------------------------
851 dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
852 dnl ------------------
853 dnl Append to a search-list for a nonstandard header/lib-file
854 dnl $1 = the variable to return as result
855 dnl $2 = the package name
856 dnl $3 = the subdirectory, e.g., bin, include or lib
857 dnl $4 = the directory under which we will test for subdirectories
858 dnl $5 = a directory that we do not want $4 to match
859 AC_DEFUN([CF_ADD_SUBDIR_PATH],
861 test "$4" != "$5" && \
863 ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
864 test -n "$verbose" && echo " ... testing for $3-directories under $4"
865 test -d $4/$3 && $1="[$]$1 $4/$3"
866 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
867 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
868 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
869 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
872 dnl ---------------------------------------------------------------------------
873 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
875 dnl Allow user to disable a normally-on option.
876 AC_DEFUN([CF_ARG_DISABLE],
877 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
878 dnl ---------------------------------------------------------------------------
879 dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
881 dnl Allow user to enable a normally-off option.
882 AC_DEFUN([CF_ARG_ENABLE],
883 [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
884 dnl ---------------------------------------------------------------------------
885 dnl CF_ARG_MSG_ENABLE version: 2 updated: 2000/07/29 19:32:03
886 dnl -----------------
887 dnl Verbose form of AC_ARG_ENABLE:
893 dnl $4 = action to perform if option is enabled
894 dnl $5 = action if perform if option is disabled
895 dnl $6 = default option value (either 'yes' or 'no')
896 AC_DEFUN([CF_ARG_MSG_ENABLE],[
898 AC_ARG_ENABLE($2,[$3],,enableval=ifelse($6,,no,$6))
899 AC_MSG_RESULT($enableval)
900 if test "$enableval" != no ; then
906 dnl ---------------------------------------------------------------------------
907 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
909 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
915 dnl $3 = action to perform if option is not default
916 dnl $4 = action if perform if option is default
917 dnl $5 = default option value (either 'yes' or 'no')
918 AC_DEFUN([CF_ARG_OPTION],
919 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
920 if test "$enableval" != "$5" ; then
922 ,[ $3]) ifelse([$4],,,[
925 fi],[enableval=$5 ifelse([$4],,,[
929 dnl ---------------------------------------------------------------------------
930 dnl CF_BUNDLED_INTL version: 16 updated: 2010/10/23 15:55:05
932 dnl Top-level macro for configuring an application with a bundled copy of
933 dnl the intl and po directories for gettext.
935 dnl $1 specifies either Makefile or makefile, defaulting to the former.
936 dnl $2 if nonempty sets the option to --enable-nls rather than to --disable-nls
938 dnl Sets variables which can be used to substitute in makefiles:
939 dnl GT_YES - "#" comment unless building intl library, otherwise empty
940 dnl GT_NO - "#" comment if building intl library, otherwise empty
941 dnl INTLDIR_MAKE - to make ./intl directory
942 dnl MSG_DIR_MAKE - to make ./po directory
943 dnl SUB_MAKEFILE - list of makefiles in ./intl, ./po directories
946 dnl HAVE_LIBGETTEXT_H if we're using ./intl
950 dnl ALL_LINGUAS if set, lists the root names of the ".po" files.
951 dnl CONFIG_H assumed to be "config.h"
952 dnl PACKAGE must be set, used as default for textdomain
953 dnl VERSION may be set, otherwise extract from "VERSION" file.
955 AC_DEFUN([CF_BUNDLED_INTL],[
956 cf_makefile=ifelse($1,,Makefile,$1)
958 dnl Set of available languages (based on source distribution). Note that
959 dnl setting $LINGUAS overrides $ALL_LINGUAS. Some environments set $LINGUAS
960 dnl rather than $LC_ALL
961 test -z "$ALL_LINGUAS" && ALL_LINGUAS=`test -d $srcdir/po && cd $srcdir/po && echo *.po|sed -e 's/\.po//g' -e 's/*//'`
963 # Allow override of "config.h" definition:
964 : ${CONFIG_H:=config.h}
967 if test -z "$PACKAGE" ; then
968 AC_MSG_ERROR([[CF_BUNDLED_INTL] used without setting [PACKAGE] variable])
971 if test -z "$VERSION" ; then
972 if test -f $srcdir/VERSION ; then
973 VERSION=`sed -e '2,$d' $srcdir/VERSION|cut -f1`
980 AM_GNU_GETTEXT(,,,[$2])
982 if test "$USE_NLS" = yes ; then
983 AC_ARG_WITH(textdomain,
984 [ --with-textdomain=PKG NLS text-domain (default is package name)],
985 [NLS_TEXTDOMAIN=$withval],
986 [NLS_TEXTDOMAIN=$PACKAGE])
987 AC_DEFINE_UNQUOTED(NLS_TEXTDOMAIN,"$NLS_TEXTDOMAIN")
988 AC_SUBST(NLS_TEXTDOMAIN)
995 dnl this updates SUB_MAKEFILE and MSG_DIR_MAKE:
998 if test "$USE_INCLUDED_LIBINTL" = yes ; then
999 if test "$nls_cv_force_use_gnu_gettext" = yes ; then
1001 elif test "$nls_cv_use_gnu_gettext" = yes ; then
1006 if test -z "$INTLDIR_MAKE"; then
1007 AC_DEFINE(HAVE_LIBGETTEXT_H)
1008 for cf_makefile in \
1009 $srcdir/intl/Makefile.in \
1010 $srcdir/intl/makefile.in
1012 if test -f "$cf_makefile" ; then
1013 SUB_MAKEFILE="$SUB_MAKEFILE `echo \"${cf_makefile}\"|sed -e 's,^'$srcdir/',,' -e 's/\.in$//'`:${cf_makefile}"
1020 if test "$USE_NLS" = yes ; then
1021 AC_CHECK_HEADERS(libintl.h)
1025 if test -z "$INTLDIR_MAKE" ; then
1026 CPPFLAGS="$CPPFLAGS -I../intl"
1029 dnl FIXME: we use this in lynx (the alternative is a spurious dependency upon
1031 if test "$BUILD_INCLUDED_LIBINTL" = yes ; then
1039 AC_SUBST(INTLDIR_MAKE)
1040 AC_SUBST(MSG_DIR_MAKE)
1044 dnl FIXME: the underlying AM_GNU_GETTEXT macro either needs some fixes or a
1045 dnl little documentation. It doesn't define anything so that we can ifdef our
1046 dnl own code, except ENABLE_NLS, which is too vague to be of any use.
1048 if test "$USE_INCLUDED_LIBINTL" = yes ; then
1049 if test "$nls_cv_force_use_gnu_gettext" = yes ; then
1050 AC_DEFINE(HAVE_GETTEXT)
1051 elif test "$nls_cv_use_gnu_gettext" = yes ; then
1052 AC_DEFINE(HAVE_GETTEXT)
1054 if test -n "$nls_cv_header_intl" ; then
1055 AC_DEFINE(HAVE_LIBINTL_H)
1059 dnl ---------------------------------------------------------------------------
1060 dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59
1062 dnl Check if we're accidentally using a cache from a different machine.
1063 dnl Derive the system name, as a check for reusing the autoconf cache.
1065 dnl If we've packaged config.guess and config.sub, run that (since it does a
1066 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
1067 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
1068 dnl which is useful in cross-compiles.
1070 dnl Note: we would use $ac_config_sub, but that is one of the places where
1071 dnl autoconf 2.5x broke compatibility with autoconf 2.13
1072 AC_DEFUN([CF_CHECK_CACHE],
1074 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
1075 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
1076 system_name="$host_os"
1078 system_name="`(uname -s -r) 2>/dev/null`"
1079 if test -z "$system_name" ; then
1080 system_name="`(hostname) 2>/dev/null`"
1083 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
1084 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
1086 test -z "$system_name" && system_name="$cf_cv_system_name"
1087 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
1089 if test ".$system_name" != ".$cf_cv_system_name" ; then
1090 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
1091 AC_MSG_ERROR("Please remove config.cache and try again.")
1094 dnl ---------------------------------------------------------------------------
1095 dnl CF_CURSES_CHTYPE version: 7 updated: 2010/10/23 15:54:49
1096 dnl ----------------
1097 dnl Test if curses defines 'chtype' (usually a 'long' type for SysV curses).
1098 AC_DEFUN([CF_CURSES_CHTYPE],
1100 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
1101 AC_CACHE_CHECK(for chtype typedef,cf_cv_chtype_decl,[
1102 AC_TRY_COMPILE([#include <${cf_cv_ncurses_header:-curses.h}>],
1104 [cf_cv_chtype_decl=yes],
1105 [cf_cv_chtype_decl=no])])
1106 if test $cf_cv_chtype_decl = yes ; then
1107 AC_DEFINE(HAVE_TYPE_CHTYPE)
1108 AC_CACHE_CHECK(if chtype is scalar or struct,cf_cv_chtype_type,[
1109 AC_TRY_COMPILE([#include <${cf_cv_ncurses_header:-curses.h}>],
1110 [chtype foo; long x = foo],
1111 [cf_cv_chtype_type=scalar],
1112 [cf_cv_chtype_type=struct])])
1113 if test $cf_cv_chtype_type = scalar ; then
1114 AC_DEFINE(TYPE_CHTYPE_IS_SCALAR)
1118 dnl ---------------------------------------------------------------------------
1119 dnl CF_CURSES_CONFIG version: 2 updated: 2006/10/29 11:06:27
1120 dnl ----------------
1121 dnl Tie together the configure-script macros for curses. It may be ncurses,
1122 dnl but unless asked, we do not make a special search for ncurses. However,
1123 dnl still check for the ncurses version number, for use in other macros.
1124 AC_DEFUN([CF_CURSES_CONFIG],
1130 dnl ---------------------------------------------------------------------------
1131 dnl CF_CURSES_CPPFLAGS version: 11 updated: 2011/04/09 14:51:08
1132 dnl ------------------
1133 dnl Look for the curses headers.
1134 AC_DEFUN([CF_CURSES_CPPFLAGS],[
1136 AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[
1137 cf_cv_curses_incdir=no
1138 case $host_os in #(vi
1140 if test "x$cf_cv_screen" = "xcurses_colr"
1142 test -d /usr/include/curses_colr && \
1143 cf_cv_curses_incdir="-I/usr/include/curses_colr"
1147 if test "x$cf_cv_screen" = "xcurses_5lib"
1149 test -d /usr/5lib && \
1150 test -d /usr/5include && \
1151 cf_cv_curses_incdir="-I/usr/5include"
1156 test "$cf_cv_curses_incdir" != no && CPPFLAGS="$CPPFLAGS $cf_cv_curses_incdir"
1161 dnl ---------------------------------------------------------------------------
1162 dnl CF_CURSES_FUNCS version: 17 updated: 2011/05/14 16:07:29
1164 dnl Curses-functions are a little complicated, since a lot of them are macros.
1165 AC_DEFUN([CF_CURSES_FUNCS],
1167 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
1168 AC_REQUIRE([CF_XOPEN_CURSES])
1169 AC_REQUIRE([CF_CURSES_TERM_H])
1170 AC_REQUIRE([CF_CURSES_UNCTRL_H])
1173 CF_UPPER(cf_tr_func,$cf_func)
1174 AC_MSG_CHECKING(for ${cf_func})
1175 CF_MSG_LOG(${cf_func})
1176 AC_CACHE_VAL(cf_cv_func_$cf_func,[
1177 eval cf_result='$ac_cv_func_'$cf_func
1178 if test ".$cf_result" != ".no"; then
1179 AC_TRY_LINK(CF__CURSES_HEAD,
1182 long foo = (long)(&${cf_func});
1183 if (foo + 1234 > 5678)
1184 ${cf_cv_main_return:-return}(foo);
1190 eval 'cf_cv_func_'$cf_func'=$cf_result'
1192 # use the computed/retrieved cache-value:
1193 eval 'cf_result=$cf_cv_func_'$cf_func
1194 AC_MSG_RESULT($cf_result)
1195 if test $cf_result != no; then
1196 AC_DEFINE_UNQUOTED(HAVE_${cf_tr_func})
1200 dnl ---------------------------------------------------------------------------
1201 dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
1202 dnl ----------------
1203 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
1204 dnl variations of ncurses' installs.
1206 dnl $1 = ncurses when looking for ncurses, or is empty
1207 AC_DEFUN([CF_CURSES_HEADER],[
1208 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
1209 cf_cv_ncurses_header=none
1210 for cf_header in ifelse($1,,,[ \
1214 curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
1216 AC_TRY_COMPILE([#include <${cf_header}>],
1217 [initscr(); tgoto("?", 0,0)],
1218 [cf_cv_ncurses_header=$cf_header; break],[])
1222 if test "$cf_cv_ncurses_header" = none ; then
1223 AC_MSG_ERROR(No curses header-files found)
1226 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
1227 AC_CHECK_HEADERS($cf_cv_ncurses_header)
1229 dnl ---------------------------------------------------------------------------
1230 dnl CF_CURSES_LIBS version: 34 updated: 2011/04/09 14:51:08
1232 dnl Look for the curses libraries. Older curses implementations may require
1233 dnl termcap/termlib to be linked as well. Call CF_CURSES_CPPFLAGS first.
1234 AC_DEFUN([CF_CURSES_LIBS],[
1236 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
1237 AC_MSG_CHECKING(if we have identified curses libraries)
1238 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
1239 [initscr(); tgoto("?", 0,0)],
1242 AC_MSG_RESULT($cf_result)
1244 if test "$cf_result" = no ; then
1245 case $host_os in #(vi
1247 AC_CHECK_LIB(mytinfo,tgoto,[CF_ADD_LIBS(-lmytinfo)])
1250 # Looking at HPUX 10.20, the Hcurses library is the oldest (1997), cur_colr
1251 # next (1998), and xcurses "newer" (2000). There is no header file for
1252 # Hcurses; the subdirectory curses_colr has the headers (curses.h and
1253 # term.h) for cur_colr
1254 if test "x$cf_cv_screen" = "xcurses_colr"
1256 AC_CHECK_LIB(cur_colr,initscr,[
1257 CF_ADD_LIBS(-lcur_colr)
1258 ac_cv_func_initscr=yes
1260 AC_CHECK_LIB(Hcurses,initscr,[
1261 # HP's header uses __HP_CURSES, but user claims _HP_CURSES.
1262 CF_ADD_LIBS(-lHcurses)
1263 CPPFLAGS="$CPPFLAGS -D__HP_CURSES -D_HP_CURSES"
1264 ac_cv_func_initscr=yes
1269 case `arch 2>/dev/null` in
1273 CF_ADD_LIBDIR(/lib64)
1284 if test "x$cf_cv_screen" = "xcurses_5lib"
1286 if test -d /usr/5lib ; then
1287 CF_ADD_LIBDIR(/usr/5lib)
1288 CF_ADD_LIBS(-lcurses -ltermcap)
1291 ac_cv_func_initscr=yes
1295 if test ".$ac_cv_func_initscr" != .yes ; then
1296 cf_save_LIBS="$LIBS"
1300 if test ".${cf_cv_ncurses_version:-no}" != .no
1302 cf_check_list="ncurses curses cursesX"
1304 cf_check_list="cursesX curses ncurses"
1307 # Check for library containing tgoto. Do this before curses library
1308 # because it may be needed to link the test-case for initscr.
1309 AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
1310 for cf_term_lib in $cf_check_list termcap termlib unknown
1312 AC_CHECK_LIB($cf_term_lib,tgoto,[break])
1316 # Check for library containing initscr
1317 test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
1318 for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown
1320 AC_CHECK_LIB($cf_curs_lib,initscr,[break])
1322 test $cf_curs_lib = unknown && AC_MSG_ERROR(no curses library found)
1324 LIBS="-l$cf_curs_lib $cf_save_LIBS"
1325 if test "$cf_term_lib" = unknown ; then
1326 AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
1327 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
1331 AC_MSG_RESULT($cf_result)
1332 test $cf_result = no && AC_MSG_ERROR(Cannot link curses library)
1333 elif test "$cf_curs_lib" = "$cf_term_lib" ; then
1335 elif test "$cf_term_lib" != predefined ; then
1336 AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries)
1337 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
1338 [initscr(); tgoto((char *)0, 0, 0);],
1341 LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
1342 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
1347 AC_MSG_RESULT($cf_result)
1353 dnl ---------------------------------------------------------------------------
1354 dnl CF_CURSES_TERM_H version: 9 updated: 2011/04/09 18:19:55
1355 dnl ----------------
1356 dnl SVr4 curses should have term.h as well (where it puts the definitions of
1357 dnl the low-level interface). This may not be true in old/broken implementations,
1358 dnl as well as in misconfigured systems (e.g., gcc configured for Solaris 2.4
1359 dnl running with Solaris 2.5.1).
1360 AC_DEFUN([CF_CURSES_TERM_H],
1362 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
1364 AC_CACHE_CHECK(for term.h, cf_cv_term_header,[
1366 # If we found <ncurses/curses.h>, look for <ncurses/term.h>, but always look
1367 # for <term.h> if we do not find the variant.
1369 cf_header_list="term.h ncurses/term.h ncursesw/term.h"
1371 case ${cf_cv_ncurses_header:-curses.h} in #(vi
1373 cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`term.h
1374 cf_header_list="$cf_header_item $cf_header_list"
1378 for cf_header in $cf_header_list
1381 #include <${cf_cv_ncurses_header:-curses.h}>
1382 #include <${cf_header}>],
1384 [cf_cv_term_header=$cf_header
1386 [cf_cv_term_header=no])
1389 case $cf_cv_term_header in #(vi
1391 # If curses is ncurses, some packagers still mess it up by trying to make
1392 # us use GNU termcap. This handles the most common case.
1393 for cf_header in ncurses/term.h ncursesw/term.h
1396 #include <${cf_cv_ncurses_header:-curses.h}>
1397 #ifdef NCURSES_VERSION
1398 #include <${cf_header}>
1403 [cf_cv_term_header=$cf_header
1405 [cf_cv_term_header=no])
1411 case $cf_cv_term_header in #(vi
1413 AC_DEFINE(HAVE_TERM_H)
1415 ncurses/term.h) #(vi
1416 AC_DEFINE(HAVE_NCURSES_TERM_H)
1419 AC_DEFINE(HAVE_NCURSESW_TERM_H)
1423 dnl ---------------------------------------------------------------------------
1424 dnl CF_CURSES_UNCTRL_H version: 1 updated: 2011/04/09 18:19:55
1425 dnl ------------------
1426 dnl Any X/Open curses implementation must have unctrl.h, but ncurses packages
1427 dnl may put it in a subdirectory (along with ncurses' other headers, of
1428 dnl course). Packages which put the headers in inconsistent locations are
1430 AC_DEFUN([CF_CURSES_UNCTRL_H],
1432 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
1434 AC_CACHE_CHECK(for unctrl.h, cf_cv_unctrl_header,[
1436 # If we found <ncurses/curses.h>, look for <ncurses/unctrl.h>, but always look
1437 # for <unctrl.h> if we do not find the variant.
1439 cf_header_list="unctrl.h ncurses/unctrl.h ncursesw/unctrl.h"
1441 case ${cf_cv_ncurses_header:-curses.h} in #(vi
1443 cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`unctrl.h
1444 cf_header_list="$cf_header_item $cf_header_list"
1448 for cf_header in $cf_header_list
1451 #include <${cf_cv_ncurses_header:-curses.h}>
1452 #include <${cf_header}>],
1454 [cf_cv_unctrl_header=$cf_header
1456 [cf_cv_unctrl_header=no])
1459 case $cf_cv_unctrl_header in #(vi
1461 AC_MSG_WARN(unctrl.h header not found)
1466 case $cf_cv_unctrl_header in #(vi
1468 AC_DEFINE(HAVE_UNCTRL_H)
1470 ncurses/unctrl.h) #(vi
1471 AC_DEFINE(HAVE_NCURSES_UNCTRL_H)
1474 AC_DEFINE(HAVE_NCURSESW_UNCTRL_H)
1478 dnl ---------------------------------------------------------------------------
1479 dnl CF_CURSES_WACS_MAP version: 5 updated: 2011/01/15 11:28:59
1480 dnl ------------------
1481 dnl Check for likely values of wacs_map[].
1482 AC_DEFUN([CF_CURSES_WACS_MAP],
1484 AC_CACHE_CHECK(for wide alternate character set array, cf_cv_curses_wacs_map,[
1485 cf_cv_curses_wacs_map=unknown
1486 for name in wacs_map _wacs_map __wacs_map _nc_wacs _wacs_char
1489 #ifndef _XOPEN_SOURCE_EXTENDED
1490 #define _XOPEN_SOURCE_EXTENDED
1492 #include <${cf_cv_ncurses_header:-curses.h}>],
1493 [void *foo = &($name['k'])],
1494 [cf_cv_curses_wacs_map=$name
1498 test "$cf_cv_curses_wacs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_WACS_ARRAY,$cf_cv_curses_wacs_map)
1500 dnl ---------------------------------------------------------------------------
1501 dnl CF_CURSES_WACS_SYMBOLS version: 1 updated: 2011/01/15 11:28:59
1502 dnl ----------------------
1503 dnl Do a check to see if the WACS_xxx constants are defined compatibly with
1504 dnl X/Open Curses. In particular, NetBSD's implementation of the WACS_xxx
1505 dnl constants is broken since those constants do not point to cchar_t's.
1506 AC_DEFUN([CF_CURSES_WACS_SYMBOLS],
1508 AC_REQUIRE([CF_CURSES_WACS_MAP])
1510 AC_CACHE_CHECK(for wide alternate character constants, cf_cv_curses_wacs_symbols,[
1511 cf_cv_curses_wacs_symbols=no
1512 if test "$cf_cv_curses_wacs_map" != unknown
1515 #ifndef _XOPEN_SOURCE_EXTENDED
1516 #define _XOPEN_SOURCE_EXTENDED
1518 #include <${cf_cv_ncurses_header:-curses.h}>],
1519 [cchar_t *foo = WACS_PLUS;
1520 $cf_cv_curses_wacs_map['k'] = *WACS_PLUS],
1521 [cf_cv_curses_wacs_symbols=yes])
1524 #ifndef _XOPEN_SOURCE_EXTENDED
1525 #define _XOPEN_SOURCE_EXTENDED
1527 #include <${cf_cv_ncurses_header:-curses.h}>],
1528 [cchar_t *foo = WACS_PLUS],
1529 [cf_cv_curses_wacs_symbols=yes])
1533 test "$cf_cv_curses_wacs_symbols" != no && AC_DEFINE(CURSES_WACS_SYMBOLS)
1535 dnl ---------------------------------------------------------------------------
1536 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1538 dnl "dirname" is not portable, so we fake it with a shell script.
1539 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1540 dnl ---------------------------------------------------------------------------
1541 dnl CF_DISABLE_ECHO version: 11 updated: 2009/12/13 13:16:57
1543 dnl You can always use "make -n" to see the actual options, but it's hard to
1544 dnl pick out/analyze warning messages when the compile-line is long.
1547 dnl ECHO_LT - symbol to control if libtool is verbose
1548 dnl ECHO_LD - symbol to prefix "cc -o" lines
1549 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1550 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
1551 dnl ECHO_CC - symbol to put before any "cc" line
1553 AC_DEFUN([CF_DISABLE_ECHO],[
1554 AC_MSG_CHECKING(if you want to see long compiling messages)
1555 CF_ARG_DISABLE(echo,
1556 [ --disable-echo display "compiling" commands],
1559 ECHO_LD='@echo linking [$]@;'
1560 RULE_CC='@echo compiling [$]<'
1561 SHOW_CC='@echo compiling [$]@'
1570 AC_MSG_RESULT($enableval)
1577 dnl ---------------------------------------------------------------------------
1578 dnl CF_DISABLE_LIBTOOL_VERSION version: 1 updated: 2010/05/15 15:45:59
1579 dnl --------------------------
1580 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1581 dnl the older "-version-info" feature. The newer feature allows us to use
1582 dnl version numbering on shared libraries which make them compatible with
1583 dnl various systems.
1584 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1586 AC_MSG_CHECKING(if libtool -version-number should be used)
1587 CF_ARG_DISABLE(libtool-version,
1588 [ --disable-libtool-version enable to use libtool's incompatible naming scheme],
1589 [cf_libtool_version=no],
1590 [cf_libtool_version=yes])
1591 AC_MSG_RESULT($cf_libtool_version)
1593 if test "$cf_libtool_version" = yes ; then
1594 LIBTOOL_VERSION="-version-number"
1596 LIBTOOL_VERSION="-version-info"
1599 AC_SUBST(LIBTOOL_VERSION)
1601 dnl ---------------------------------------------------------------------------
1602 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1603 dnl ---------------------
1604 dnl The rpath-hack makes it simpler to build programs, particularly with the
1605 dnl *BSD ports which may have essential libraries in unusual places. But it
1606 dnl can interfere with building an executable for the base system. Use this
1607 dnl option in that case.
1608 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1610 AC_MSG_CHECKING(if rpath-hack should be disabled)
1611 CF_ARG_DISABLE(rpath-hack,
1612 [ --disable-rpath-hack don't add rpath options for additional libraries],
1613 [cf_disable_rpath_hack=yes],
1614 [cf_disable_rpath_hack=no])
1615 AC_MSG_RESULT($cf_disable_rpath_hack)
1616 if test "$cf_disable_rpath_hack" = no ; then
1620 dnl ---------------------------------------------------------------------------
1621 dnl CF_FIND_HEADER version: 2 updated: 2007/07/29 11:32:00
1623 dnl Find a header file, searching for it if it is not already in the include
1626 dnl $1 = the header filename
1627 dnl $2 = the package name
1628 dnl $3 = action to perform if successful
1629 dnl $4 = action to perform if not successful
1630 AC_DEFUN([CF_FIND_HEADER],[
1631 AC_CHECK_HEADER([$1],
1632 cf_find_header=yes,[
1634 CF_HEADER_PATH(cf_search,$2)
1635 for cf_incdir in $cf_search
1637 if test -f $cf_incdir/$1 ; then
1638 CF_ADD_INCDIR($cf_incdir)
1639 CF_VERBOSE(... found in $cf_incdir)
1643 CF_VERBOSE(... tested $cf_incdir)
1646 if test "$cf_find_header" = yes ; then
1647 ifelse([$3],,:,[$3])
1652 dnl ---------------------------------------------------------------------------
1653 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
1655 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
1656 dnl prefer a standard location, and use -L options only if we do not find the
1657 dnl library in the standard library location(s).
1658 dnl $1 = library name
1659 dnl $2 = library class, usually the same as library name
1661 dnl $4 = code fragment to compile/link
1662 dnl $5 = corresponding function-name
1663 dnl $6 = flag, nonnull if failure should not cause an error-exit
1665 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
1666 dnl to use a -L option.
1667 AC_DEFUN([CF_FIND_LIBRARY],
1669 eval 'cf_cv_have_lib_'$1'=no'
1672 eval 'cf_cv_have_lib_'$1'=yes',[
1673 cf_save_LIBS="$LIBS"
1674 AC_MSG_CHECKING(for $5 in -l$1)
1676 AC_TRY_LINK([$3],[$4],
1678 eval 'cf_cv_have_lib_'$1'=yes'
1681 CF_LIBRARY_PATH(cf_search,$2)
1682 for cf_libdir in $cf_search
1684 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
1685 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
1686 AC_TRY_LINK([$3],[$4],
1688 eval 'cf_cv_have_lib_'$1'=yes'
1691 LIBS="$cf_save_LIBS"])
1695 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
1697 if test $cf_found_library = no ; then
1698 AC_MSG_ERROR(Cannot link $1 library)
1702 dnl ---------------------------------------------------------------------------
1703 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
1705 dnl Find a library (specifically the linkage used in the code fragment),
1706 dnl searching for it if it is not already in the library path.
1707 dnl See also CF_ADD_SEARCHPATH.
1709 dnl Parameters (4-on are optional):
1710 dnl $1 = headers for library entrypoint
1711 dnl $2 = code fragment for library entrypoint
1712 dnl $3 = the library name without the "-l" option or ".so" suffix.
1713 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
1714 dnl $5 = action to perform if not successful
1715 dnl $6 = module name, if not the same as the library name
1716 dnl $7 = extra libraries
1718 dnl Sets these variables:
1719 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1720 dnl $cf_cv_header_path_$3 - include-directory if needed
1721 dnl $cf_cv_library_path_$3 - library-directory if needed
1722 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1723 AC_DEFUN([CF_FIND_LINKAGE],[
1725 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1726 # will be set on completion of the AC_TRY_LINK below.
1727 cf_cv_header_path_$3=
1728 cf_cv_library_path_$3=
1730 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1732 cf_save_LIBS="$LIBS"
1734 AC_TRY_LINK([$1],[$2],[
1735 cf_cv_find_linkage_$3=yes
1736 cf_cv_header_path_$3=/usr/include
1737 cf_cv_library_path_$3=/usr/lib
1740 LIBS="-l$3 $7 $cf_save_LIBS"
1742 AC_TRY_LINK([$1],[$2],[
1743 cf_cv_find_linkage_$3=yes
1744 cf_cv_header_path_$3=/usr/include
1745 cf_cv_library_path_$3=/usr/lib
1746 cf_cv_library_file_$3="-l$3"
1748 cf_cv_find_linkage_$3=no
1749 LIBS="$cf_save_LIBS"
1751 CF_VERBOSE(find linkage for $3 library)
1752 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1754 cf_save_CPPFLAGS="$CPPFLAGS"
1755 cf_test_CPPFLAGS="$CPPFLAGS"
1757 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1758 for cf_cv_header_path_$3 in $cf_search
1760 if test -d $cf_cv_header_path_$3 ; then
1761 CF_VERBOSE(... testing $cf_cv_header_path_$3)
1762 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1763 AC_TRY_COMPILE([$1],[$2],[
1764 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1765 cf_cv_find_linkage_$3=maybe
1766 cf_test_CPPFLAGS="$CPPFLAGS"
1768 CPPFLAGS="$cf_save_CPPFLAGS"
1773 if test "$cf_cv_find_linkage_$3" = maybe ; then
1775 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1777 cf_save_LIBS="$LIBS"
1778 cf_save_LDFLAGS="$LDFLAGS"
1781 CPPFLAGS="$cf_test_CPPFLAGS"
1782 LIBS="-l$3 $7 $cf_save_LIBS"
1783 AC_TRY_LINK([$1],[$2],[
1784 CF_VERBOSE(... found $3 library in system)
1785 cf_cv_find_linkage_$3=yes])
1786 CPPFLAGS="$cf_save_CPPFLAGS"
1787 LIBS="$cf_save_LIBS"
1790 if test "$cf_cv_find_linkage_$3" != yes ; then
1791 CF_LIBRARY_PATH(cf_search,$3)
1792 for cf_cv_library_path_$3 in $cf_search
1794 if test -d $cf_cv_library_path_$3 ; then
1795 CF_VERBOSE(... testing $cf_cv_library_path_$3)
1796 CPPFLAGS="$cf_test_CPPFLAGS"
1797 LIBS="-l$3 $7 $cf_save_LIBS"
1798 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1799 AC_TRY_LINK([$1],[$2],[
1800 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1801 cf_cv_find_linkage_$3=yes
1802 cf_cv_library_file_$3="-l$3"
1804 CPPFLAGS="$cf_save_CPPFLAGS"
1805 LIBS="$cf_save_LIBS"
1806 LDFLAGS="$cf_save_LDFLAGS"
1810 CPPFLAGS="$cf_save_CPPFLAGS"
1811 LDFLAGS="$cf_save_LDFLAGS"
1815 cf_cv_find_linkage_$3=no
1820 LIBS="$cf_save_LIBS"
1822 if test "$cf_cv_find_linkage_$3" = yes ; then
1824 CF_ADD_INCDIR($cf_cv_header_path_$3)
1825 CF_ADD_LIBDIR($cf_cv_library_path_$3)
1829 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1832 dnl ---------------------------------------------------------------------------
1833 dnl CF_FUNC_WAIT version: 2 updated: 1997/10/21 19:45:33
1835 dnl Test for the presence of <sys/wait.h>, 'union wait', arg-type of 'wait()'
1836 dnl and/or 'waitpid()'.
1838 dnl Note that we cannot simply grep for 'union wait' in the wait.h file,
1839 dnl because some Posix systems turn this on only when a BSD variable is
1842 dnl I don't use AC_HEADER_SYS_WAIT, because it defines HAVE_SYS_WAIT_H, which
1843 dnl would conflict with an attempt to test that header directly.
1845 AC_DEFUN([CF_FUNC_WAIT],
1847 AC_REQUIRE([CF_UNION_WAIT])
1848 if test $cf_cv_type_unionwait = yes; then
1850 AC_MSG_CHECKING(if union wait can be used as wait-arg)
1851 AC_CACHE_VAL(cf_cv_arg_union_wait,[
1852 AC_TRY_COMPILE($cf_wait_headers,
1853 [union wait x; wait(&x)],
1854 [cf_cv_arg_union_wait=yes],
1855 [cf_cv_arg_union_wait=no])
1857 AC_MSG_RESULT($cf_cv_arg_union_wait)
1858 test $cf_cv_arg_union_wait = yes && AC_DEFINE(WAIT_USES_UNION)
1860 AC_MSG_CHECKING(if union wait can be used as waitpid-arg)
1861 AC_CACHE_VAL(cf_cv_arg_union_waitpid,[
1862 AC_TRY_COMPILE($cf_wait_headers,
1863 [union wait x; waitpid(0, &x, 0)],
1864 [cf_cv_arg_union_waitpid=yes],
1865 [cf_cv_arg_union_waitpid=no])
1867 AC_MSG_RESULT($cf_cv_arg_union_waitpid)
1868 test $cf_cv_arg_union_waitpid = yes && AC_DEFINE(WAITPID_USES_UNION)
1872 dnl ---------------------------------------------------------------------------
1873 dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
1874 dnl -----------------
1875 dnl Test for availability of useful gcc __attribute__ directives to quiet
1876 dnl compiler warnings. Though useful, not all are supported -- and contrary
1877 dnl to documentation, unrecognized directives cause older compilers to barf.
1878 AC_DEFUN([CF_GCC_ATTRIBUTES],
1880 if test "$GCC" = yes
1882 cat > conftest.i <<EOF
1884 #define GCC_PRINTF 0
1889 #ifndef GCC_NORETURN
1890 #define GCC_NORETURN /* nothing */
1893 #define GCC_UNUSED /* nothing */
1896 if test "$GCC" = yes
1898 AC_CHECKING([for $CC __attribute__ directives])
1899 cat > conftest.$ac_ext <<EOF
1900 #line __oline__ "${as_me:-configure}"
1901 #include "confdefs.h"
1902 #include "conftest.h"
1903 #include "conftest.i"
1905 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1907 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1910 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1912 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1914 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1915 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1916 extern void foo(void) GCC_NORETURN;
1917 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1919 cf_printf_attribute=no
1920 cf_scanf_attribute=no
1921 for cf_attribute in scanf printf unused noreturn
1923 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1924 cf_directive="__attribute__(($cf_attribute))"
1925 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1927 case $cf_attribute in #(vi
1929 cf_printf_attribute=yes
1930 cat >conftest.h <<EOF
1931 #define GCC_$cf_ATTRIBUTE 1
1935 cf_scanf_attribute=yes
1936 cat >conftest.h <<EOF
1937 #define GCC_$cf_ATTRIBUTE 1
1941 cat >conftest.h <<EOF
1942 #define GCC_$cf_ATTRIBUTE $cf_directive
1947 if AC_TRY_EVAL(ac_compile); then
1948 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1949 cat conftest.h >>confdefs.h
1950 case $cf_attribute in #(vi
1952 if test "$cf_printf_attribute" = no ; then
1953 cat >>confdefs.h <<EOF
1954 #define GCC_PRINTFLIKE(fmt,var) /* nothing */
1957 cat >>confdefs.h <<EOF
1958 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1963 if test "$cf_scanf_attribute" = no ; then
1964 cat >>confdefs.h <<EOF
1965 #define GCC_SCANFLIKE(fmt,var) /* nothing */
1968 cat >>confdefs.h <<EOF
1969 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1977 fgrep define conftest.i >>confdefs.h
1982 dnl ---------------------------------------------------------------------------
1983 dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
1985 dnl Find version of gcc
1986 AC_DEFUN([CF_GCC_VERSION],[
1987 AC_REQUIRE([AC_PROG_CC])
1989 if test "$GCC" = yes ; then
1990 AC_MSG_CHECKING(version of $CC)
1991 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1992 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1993 AC_MSG_RESULT($GCC_VERSION)
1996 dnl ---------------------------------------------------------------------------
1997 dnl CF_GCC_WARNINGS version: 27 updated: 2010/10/23 15:52:32
1999 dnl Check if the compiler supports useful warning options. There's a few that
2000 dnl we don't use, simply because they're too noisy:
2002 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
2003 dnl -Wredundant-decls (system headers make this too noisy)
2004 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
2005 dnl -Wwrite-strings (too noisy, but should review occasionally). This
2006 dnl is enabled for ncurses using "--enable-const".
2010 dnl $1 is an optional list of gcc warning flags that a particular
2011 dnl application might want to use, e.g., "no-unused" for
2014 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
2016 AC_DEFUN([CF_GCC_WARNINGS],
2018 AC_REQUIRE([CF_GCC_VERSION])
2019 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
2021 cat > conftest.$ac_ext <<EOF
2022 #line __oline__ "${as_me:-configure}"
2023 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2026 if test "$INTEL_COMPILER" = yes
2028 # The "-wdXXX" options suppress warnings:
2029 # remark #1419: external declaration in primary source file
2030 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2031 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2032 # remark #193: zero used for undefined preprocessing identifier
2033 # remark #593: variable "curs_sb_left_arrow" was set but never used
2034 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2035 # remark #869: parameter "tw" was never referenced
2036 # remark #981: operands are evaluated in unspecified order
2037 # warning #279: controlling expression is constant
2039 AC_CHECKING([for $CC warning options])
2040 cf_save_CFLAGS="$CFLAGS"
2041 EXTRA_CFLAGS="-Wall"
2053 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2054 if AC_TRY_EVAL(ac_compile); then
2055 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2056 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2059 CFLAGS="$cf_save_CFLAGS"
2061 elif test "$GCC" = yes
2063 AC_CHECKING([for $CC warning options])
2064 cf_save_CFLAGS="$CFLAGS"
2067 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
2068 for cf_opt in W Wall \
2069 Wbad-function-cast \
2073 Wmissing-declarations \
2074 Wmissing-prototypes \
2078 Wstrict-prototypes \
2079 Wundef $cf_warn_CONST $1
2081 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2082 if AC_TRY_EVAL(ac_compile); then
2083 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2084 case $cf_opt in #(vi
2086 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
2089 case $GCC_VERSION in
2091 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2096 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2099 CFLAGS="$cf_save_CFLAGS"
2103 AC_SUBST(EXTRA_CFLAGS)
2105 dnl ---------------------------------------------------------------------------
2106 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
2108 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2109 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
2110 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2111 dnl since it is interwoven with GNU extensions.
2113 dnl Well, yes we could work around it...
2114 AC_DEFUN([CF_GNU_SOURCE],
2116 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2117 AC_TRY_COMPILE([#include <sys/types.h>],[
2118 #ifndef _XOPEN_SOURCE
2121 [cf_cv_gnu_source=no],
2122 [cf_save="$CPPFLAGS"
2123 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2124 AC_TRY_COMPILE([#include <sys/types.h>],[
2125 #ifdef _XOPEN_SOURCE
2128 [cf_cv_gnu_source=no],
2129 [cf_cv_gnu_source=yes])
2133 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2135 dnl ---------------------------------------------------------------------------
2136 dnl CF_HEADERS_SH version: 1 updated: 2007/07/04 15:37:05
2138 dnl Setup variables needed to construct headers-sh
2139 AC_DEFUN([CF_HEADERS_SH],[
2142 AC_SUBST(PACKAGE_PREFIX)
2143 AC_SUBST(PACKAGE_CONFIG)
2144 EXTRA_OUTPUT="$EXTRA_OUTPUT headers-sh:$srcdir/headers-sh.in"
2146 dnl ---------------------------------------------------------------------------
2147 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
2149 dnl Construct a search-list of directories for a nonstandard header-file
2152 dnl $1 = the variable to return as result
2153 dnl $2 = the package name
2154 AC_DEFUN([CF_HEADER_PATH],
2158 # collect the current set of include-directories from compiler flags
2159 cf_header_path_list=""
2160 if test -n "${CFLAGS}${CPPFLAGS}" ; then
2161 for cf_header_path in $CPPFLAGS $CFLAGS
2163 case $cf_header_path in #(vi
2165 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
2166 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
2167 cf_header_path_list="$cf_header_path_list [$]$1"
2173 # add the variations for the package we are looking for
2174 CF_SUBDIR_PATH($1,$2,include)
2176 test "$includedir" != NONE && \
2177 test "$includedir" != "/usr/include" && \
2178 test -d "$includedir" && {
2179 test -d $includedir && $1="[$]$1 $includedir"
2180 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
2183 test "$oldincludedir" != NONE && \
2184 test "$oldincludedir" != "/usr/include" && \
2185 test -d "$oldincludedir" && {
2186 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
2187 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
2190 $1="[$]$1 $cf_header_path_list"
2192 dnl ---------------------------------------------------------------------------
2193 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
2195 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
2196 AC_DEFUN([CF_HELP_MESSAGE],
2197 [AC_DIVERT_HELP([$1])dnl
2199 dnl ---------------------------------------------------------------------------
2200 dnl CF_INCLUDE_DIRS version: 6 updated: 2009/01/06 19:37:40
2202 dnl Construct the list of include-options according to whether we're building
2203 dnl in the source directory or using '--srcdir=DIR' option. If we're building
2204 dnl with gcc, don't append the includedir if it happens to be /usr/include,
2205 dnl since that usually breaks gcc's shadow-includes.
2206 AC_DEFUN([CF_INCLUDE_DIRS],
2208 CPPFLAGS="$CPPFLAGS -I. -I../include"
2209 if test "$srcdir" != "."; then
2210 CPPFLAGS="$CPPFLAGS -I\${srcdir}/../include"
2212 if test "$GCC" != yes; then
2213 CPPFLAGS="$CPPFLAGS -I\${includedir}"
2214 elif test "$includedir" != "/usr/include"; then
2215 if test "$includedir" = '${prefix}/include' ; then
2216 if test $prefix != /usr ; then
2217 CPPFLAGS="$CPPFLAGS -I\${includedir}"
2220 CPPFLAGS="$CPPFLAGS -I\${includedir}"
2225 dnl ---------------------------------------------------------------------------
2226 dnl CF_INCLUDE_PATH version: 5 updated: 2010/01/17 20:36:17
2228 dnl Adds to the include-path
2230 dnl Autoconf 1.11 should have provided a way to add include path options to
2233 AC_DEFUN([CF_INCLUDE_PATH],
2239 AC_MSG_CHECKING(for directory $cf_path)
2242 INCLUDES="$INCLUDES -I$cf_path"
2243 ac_cpp="${ac_cpp} -I$cf_path"
2244 CFLAGS="$CFLAGS -I$cf_path"
2247 /usr/include|/usr/include/*)
2250 CF_DIRNAME(cf_temp,$cf_path)
2253 INCLUDES="$INCLUDES -I$cf_temp"
2254 ac_cpp="${ac_cpp} -I$cf_temp"
2255 CFLAGS="$CFLAGS -I$cf_temp"
2260 AC_MSG_RESULT($cf_result)
2263 dnl ---------------------------------------------------------------------------
2264 dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
2265 dnl -----------------
2266 dnl Check if the given compiler is really the Intel compiler for Linux. It
2267 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2268 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2270 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2271 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
2272 dnl the wrappers for gcc and g++ warnings.
2274 dnl $1 = GCC (default) or GXX
2275 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2276 dnl $3 = CFLAGS (default) or CXXFLAGS
2277 AC_DEFUN([CF_INTEL_COMPILER],[
2278 ifelse([$2],,INTEL_COMPILER,[$2])=no
2280 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2283 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2284 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2285 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2287 #ifdef __INTEL_COMPILER
2291 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2292 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
2294 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2295 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2300 dnl ---------------------------------------------------------------------------
2301 dnl CF_LARGEFILE version: 7 updated: 2007/06/02 11:58:50
2303 dnl Add checks for large file support.
2304 AC_DEFUN([CF_LARGEFILE],[
2305 ifdef([AC_FUNC_FSEEKO],[
2307 if test "$enable_largefile" != no ; then
2310 # Normally we would collect these definitions in the config.h,
2311 # but (like _XOPEN_SOURCE), some environments rely on having these
2312 # defined before any of the system headers are included. Another
2313 # case comes up with C++, e.g., on AIX the compiler compiles the
2314 # header files by themselves before looking at the body files it is
2315 # told to compile. For ncurses, those header files do not include
2317 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
2318 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
2319 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
2321 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2323 #include <sys/types.h>
2326 /* if transitional largefile support is setup, this is true */
2327 extern struct dirent64 * readdir(DIR *);
2328 struct dirent64 *x = readdir((DIR *)0);
2329 struct dirent *y = readdir((DIR *)0);
2332 [cf_cv_struct_dirent64=yes],
2333 [cf_cv_struct_dirent64=no])
2335 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64)
2339 dnl ---------------------------------------------------------------------------
2340 dnl CF_LD_RPATH_OPT version: 4 updated: 2011/06/04 20:09:13
2342 dnl For the given system and compiler, find the compiler flags to pass to the
2343 dnl loader to use the "rpath" feature.
2344 AC_DEFUN([CF_LD_RPATH_OPT],
2346 AC_REQUIRE([CF_CHECK_CACHE])
2349 AC_MSG_CHECKING(for an rpath option)
2350 case $cf_cv_system_name in #(vi
2352 if test "$GCC" = yes; then
2353 LD_RPATH_OPT="-Wl,-rpath,"
2355 LD_RPATH_OPT="-rpath "
2358 linux*|gnu*|k*bsd*-gnu) #(vi
2359 LD_RPATH_OPT="-Wl,-rpath,"
2361 openbsd[[2-9]].*|mirbsd*) #(vi
2362 LD_RPATH_OPT="-Wl,-rpath,"
2365 LD_RPATH_OPT="-rpath "
2368 LD_RPATH_OPT="-Wl,-rpath,"
2371 LD_RPATH_OPT="-rpath "
2379 AC_MSG_RESULT($LD_RPATH_OPT)
2381 case "x$LD_RPATH_OPT" in #(vi
2383 AC_MSG_CHECKING(if we need a space after rpath option)
2384 cf_save_LIBS="$LIBS"
2385 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2386 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2387 LIBS="$cf_save_LIBS"
2388 AC_MSG_RESULT($cf_rpath_space)
2389 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2393 dnl ---------------------------------------------------------------------------
2394 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
2396 dnl Construct a search-list of directories for a nonstandard library-file
2399 dnl $1 = the variable to return as result
2400 dnl $2 = the package name
2401 AC_DEFUN([CF_LIBRARY_PATH],
2404 cf_library_path_list=""
2405 if test -n "${LDFLAGS}${LIBS}" ; then
2406 for cf_library_path in $LDFLAGS $LIBS
2408 case $cf_library_path in #(vi
2410 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2411 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2412 cf_library_path_list="$cf_library_path_list [$]$1"
2418 CF_SUBDIR_PATH($1,$2,lib)
2420 $1="$cf_library_path_list [$]$1"
2422 dnl ---------------------------------------------------------------------------
2423 dnl CF_LIB_PREFIX version: 8 updated: 2008/09/13 11:34:16
2425 dnl Compute the library-prefix for the given host system
2426 dnl $1 = variable to set
2427 AC_DEFUN([CF_LIB_PREFIX],
2429 case $cf_cv_system_name in #(vi
2436 ifelse($1,,,[$1=$LIB_PREFIX])
2437 AC_SUBST(LIB_PREFIX)
2439 dnl ---------------------------------------------------------------------------
2440 dnl CF_MAKEFLAGS version: 14 updated: 2011/03/31 19:29:46
2442 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2443 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
2444 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2445 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2446 AC_DEFUN([CF_MAKEFLAGS],
2448 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2450 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2452 cat >cf_makeflags.tmp <<CF_EOF
2455 @ echo '.$cf_option'
2457 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
2458 case "$cf_result" in
2460 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
2461 case "$cf_result" in
2462 .*CC=*) cf_cv_makeflags=
2464 *) cf_cv_makeflags=$cf_option
2470 *) echo "given option \"$cf_option\", no match \"$cf_result\""
2474 rm -f cf_makeflags.tmp
2477 AC_SUBST(cf_cv_makeflags)
2479 dnl ---------------------------------------------------------------------------
2480 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2482 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2483 dnl a monocase filesystem.
2484 AC_DEFUN([CF_MAKE_TAGS],[
2485 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2487 AC_CHECK_PROGS(CTAGS, exctags ctags)
2488 AC_CHECK_PROGS(ETAGS, exetags etags)
2490 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2492 if test "$cf_cv_mixedcase" = yes ; then
2493 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2498 if test "$MAKE_UPPER_TAGS" = yes ; then
2504 if test "$MAKE_LOWER_TAGS" = yes ; then
2513 AC_SUBST(MAKE_UPPER_TAGS)
2514 AC_SUBST(MAKE_LOWER_TAGS)
2516 dnl ---------------------------------------------------------------------------
2517 dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02
2519 dnl Checks for libraries. At least one UNIX system, Apple Macintosh
2520 dnl Rhapsody 5.5, does not have -lm. We cannot use the simpler
2521 dnl AC_CHECK_LIB(m,sin), because that fails for C++.
2522 AC_DEFUN([CF_MATH_LIB],
2524 AC_CACHE_CHECK(if -lm needed for math functions,
2530 [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
2531 [cf_cv_need_libm=no],
2532 [cf_cv_need_libm=yes])])
2533 if test "$cf_cv_need_libm" = yes
2540 dnl ---------------------------------------------------------------------------
2541 dnl CF_MBSTATE_T version: 3 updated: 2007/03/25 15:55:36
2543 dnl Check if mbstate_t is declared, and if so, which header file.
2544 dnl This (including wchar.h) is needed on Tru64 5.0 to declare mbstate_t,
2545 dnl as well as include stdio.h to work around a misuse of varargs in wchar.h
2546 AC_DEFUN([CF_MBSTATE_T],
2548 AC_CACHE_CHECK(if we must include wchar.h to declare mbstate_t,cf_cv_mbstate_t,[
2552 #ifdef HAVE_LIBUTF8_H
2553 #include <libutf8.h>
2556 [cf_cv_mbstate_t=no],
2561 #ifdef HAVE_LIBUTF8_H
2562 #include <libutf8.h>
2565 [cf_cv_mbstate_t=yes],
2566 [cf_cv_mbstate_t=unknown])])])
2568 if test "$cf_cv_mbstate_t" = yes ; then
2569 AC_DEFINE(NEED_WCHAR_H)
2572 if test "$cf_cv_mbstate_t" != unknown ; then
2573 AC_DEFINE(HAVE_MBSTATE_T)
2576 dnl ---------------------------------------------------------------------------
2577 dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
2578 dnl ----------------------
2579 dnl Check if the file-system supports mixed-case filenames. If we're able to
2580 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2581 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2583 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2584 if test "$cross_compiling" = yes ; then
2585 case $target_alias in #(vi
2586 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
2594 rm -f conftest CONFTEST
2596 if test -f CONFTEST ; then
2601 rm -f conftest CONFTEST
2604 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
2606 dnl ---------------------------------------------------------------------------
2607 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2609 dnl Write a debug message to config.log, along with the line number in the
2610 dnl configure script.
2611 AC_DEFUN([CF_MSG_LOG],[
2612 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2614 dnl ---------------------------------------------------------------------------
2615 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2616 dnl -------------------
2617 dnl Check if we can compile with ncurses' header file
2618 dnl $1 is the cache variable to set
2619 dnl $2 is the header-file to include
2620 dnl $3 is the root name (ncurses or ncursesw)
2621 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2623 ]ifelse($3,ncursesw,[
2624 #define _XOPEN_SOURCE_EXTENDED
2625 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2626 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2629 #ifdef NCURSES_VERSION
2630 ]ifelse($3,ncursesw,[
2635 printf("%s\n", NCURSES_VERSION);
2647 dnl ---------------------------------------------------------------------------
2648 dnl CF_NCURSES_CONFIG version: 8 updated: 2010/07/08 05:17:30
2649 dnl -----------------
2650 dnl Tie together the configure-script macros for ncurses.
2651 dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
2652 dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
2654 dnl $1 is the root library name (default: "ncurses")
2655 AC_DEFUN([CF_NCURSES_CONFIG],
2657 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2659 echo "Looking for ${cf_ncuconfig_root}-config"
2660 AC_PATH_PROGS(NCURSES_CONFIG,${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config,none)
2662 if test "$NCURSES_CONFIG" != none ; then
2664 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2665 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2667 # even with config script, some packages use no-override for curses.h
2668 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2670 dnl like CF_NCURSES_CPPFLAGS
2673 dnl like CF_NCURSES_LIBS
2674 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2675 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2677 dnl like CF_NCURSES_VERSION
2678 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2682 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2683 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2687 dnl ---------------------------------------------------------------------------
2688 dnl CF_NCURSES_CPPFLAGS version: 20 updated: 2010/11/20 17:02:38
2689 dnl -------------------
2690 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2691 dnl the CPPFLAGS variable so we can include its header.
2693 dnl The header files may be installed as either curses.h, or ncurses.h (would
2694 dnl be obsolete, except that some packagers prefer this name to distinguish it
2695 dnl from a "native" curses implementation). If not installed for overwrite,
2696 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2697 dnl /usr/include/ncurses), but someone may have installed overwriting the
2698 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2699 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2702 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2703 dnl is already in the include-path, don't even bother with this, since we cannot
2704 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2706 dnl The optional parameter gives the root name of the library, in case it is
2707 dnl not installed as the default curses library. That is how the
2708 dnl wide-character version of ncurses is installed.
2709 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2710 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2712 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2713 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2715 test -n "$cf_cv_curses_dir" && \
2716 test "$cf_cv_curses_dir" != "no" && { \
2717 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2720 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2721 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2722 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2723 for cf_header in $cf_header_list
2725 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2726 test "$cf_cv_ncurses_h" != no && break
2733 # some applications need this, but should check for NCURSES_VERSION
2738 dnl ---------------------------------------------------------------------------
2739 dnl CF_NCURSES_HEADER version: 2 updated: 2008/03/23 14:48:54
2740 dnl -----------------
2741 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2742 dnl variations of ncurses' installs.
2744 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2745 AC_DEFUN([CF_NCURSES_HEADER],[
2747 if test "$cf_cv_ncurses_h" != no ; then
2748 cf_cv_ncurses_header=$cf_cv_ncurses_h
2751 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2752 test -n "$verbose" && echo
2753 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2754 test -n "$verbose" && echo search path $cf_search
2755 cf_save2_CPPFLAGS="$CPPFLAGS"
2756 for cf_incdir in $cf_search
2758 CF_ADD_INCDIR($cf_incdir)
2763 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2764 if test "$cf_cv_ncurses_h2" != no ; then
2765 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2766 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2769 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2771 CPPFLAGS="$cf_save2_CPPFLAGS"
2772 test "$cf_cv_ncurses_h2" != no && break
2774 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2777 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2778 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2779 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2780 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2782 CF_ADD_INCDIR($cf_1st_incdir)
2786 # Set definitions to allow ifdef'ing for ncurses.h
2788 case $cf_cv_ncurses_header in # (vi
2790 AC_DEFINE(HAVE_NCURSES_H)
2794 case $cf_cv_ncurses_header in # (vi
2795 ncurses/curses.h|ncurses/ncurses.h)
2796 AC_DEFINE(HAVE_NCURSES_NCURSES_H)
2798 ncursesw/curses.h|ncursesw/ncurses.h)
2799 AC_DEFINE(HAVE_NCURSESW_NCURSES_H)
2804 dnl ---------------------------------------------------------------------------
2805 dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
2807 dnl Look for the ncurses library. This is a little complicated on Linux,
2808 dnl because it may be linked with the gpm (general purpose mouse) library.
2809 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2810 dnl unusable with ncurses. However, we don't want to link with gpm unless
2811 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2812 dnl and the linker will record a dependency.
2814 dnl The optional parameter gives the root name of the library, in case it is
2815 dnl not installed as the default curses library. That is how the
2816 dnl wide-character version of ncurses is installed.
2817 AC_DEFUN([CF_NCURSES_LIBS],
2818 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2820 cf_nculib_root=ifelse($1,,ncurses,$1)
2821 # This works, except for the special case where we find gpm, but
2822 # ncurses is in a nonstandard location via $LIBS, and we really want
2825 cf_ncurses_SAVE="$LIBS"
2826 AC_CHECK_LIB(gpm,Gpm_Open,
2827 [AC_CHECK_LIB(gpm,initscr,
2828 [LIBS="$cf_ncurses_SAVE"],
2829 [cf_ncurses_LIBS="-lgpm"])])
2831 case $host_os in #(vi
2833 # This is only necessary if you are linking against an obsolete
2834 # version of ncurses (but it should do no harm, since it's static).
2835 if test "$cf_nculib_root" = ncurses ; then
2836 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2841 CF_ADD_LIBS($cf_ncurses_LIBS)
2843 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2845 CF_ADD_LIBS(-l$cf_nculib_root)
2847 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2848 [#include <${cf_cv_ncurses_header:-curses.h}>],
2853 if test -n "$cf_ncurses_LIBS" ; then
2854 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2855 cf_ncurses_SAVE="$LIBS"
2856 for p in $cf_ncurses_LIBS ; do
2857 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2858 if test "$q" != "$LIBS" ; then
2862 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2863 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2864 [AC_MSG_RESULT(yes)],
2866 LIBS="$cf_ncurses_SAVE"])
2869 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2870 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2872 dnl ---------------------------------------------------------------------------
2873 dnl CF_NCURSES_VERSION version: 13 updated: 2010/10/23 15:54:49
2874 dnl ------------------
2875 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2876 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2877 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2878 AC_DEFUN([CF_NCURSES_VERSION],
2880 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2881 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2882 cf_cv_ncurses_version=no
2886 #include <${cf_cv_ncurses_header:-curses.h}>
2890 FILE *fp = fopen("$cf_tempfile", "w");
2891 #ifdef NCURSES_VERSION
2892 # ifdef NCURSES_VERSION_PATCH
2893 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2895 fprintf(fp, "%s\n", NCURSES_VERSION);
2899 fprintf(fp, "old\n");
2904 ${cf_cv_main_return:-return}(0);
2906 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2908 # This will not work if the preprocessor splits the line after the
2909 # Autoconf token. The 'unproto' program does that.
2910 cat > conftest.$ac_ext <<EOF
2911 #include <${cf_cv_ncurses_header:-curses.h}>
2913 #ifdef NCURSES_VERSION
2914 Autoconf NCURSES_VERSION
2922 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2924 if test -f conftest.out ; then
2925 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2926 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2932 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES)
2934 dnl ---------------------------------------------------------------------------
2935 dnl CF_NO_LEAKS_OPTION version: 4 updated: 2006/12/16 14:24:05
2936 dnl ------------------
2937 dnl see CF_WITH_NO_LEAKS
2938 AC_DEFUN([CF_NO_LEAKS_OPTION],[
2939 AC_MSG_CHECKING(if you want to use $1 for testing)
2942 [AC_DEFINE($3)ifelse([$4],,[
2945 : ${with_cflags:=-g}
2946 : ${with_no_leaks:=yes}
2949 AC_MSG_RESULT(${with_$1:-no})
2951 case .$with_cflags in #(vi
2953 case .$CFLAGS in #(vi
2963 dnl ---------------------------------------------------------------------------
2964 dnl CF_OUR_MESSAGES version: 7 updated: 2004/09/12 19:45:55
2966 dnl Check if we use the messages included with this program
2968 dnl $1 specifies either Makefile or makefile, defaulting to the former.
2970 dnl Sets variables which can be used to substitute in makefiles:
2971 dnl MSG_DIR_MAKE - to make ./po directory
2972 dnl SUB_MAKEFILE - makefile in ./po directory (see CF_BUNDLED_INTL)
2974 AC_DEFUN([CF_OUR_MESSAGES],
2976 cf_makefile=ifelse($1,,Makefile,$1)
2979 if test "$USE_NLS" = yes ; then
2980 if test -d $srcdir/po ; then
2981 AC_MSG_CHECKING(if we should use included message-library)
2982 AC_ARG_ENABLE(included-msgs,
2983 [ --disable-included-msgs use included messages, for i18n support],
2984 [use_our_messages=$enableval],
2985 [use_our_messages=yes])
2987 AC_MSG_RESULT($use_our_messages)
2991 if test "$use_our_messages" = yes
2993 SUB_MAKEFILE="$SUB_MAKEFILE po/$cf_makefile.in:$srcdir/po/$cf_makefile.inn"
2997 AC_SUBST(MSG_DIR_MAKE)
2998 AC_SUBST(SUB_MAKEFILE)
3000 dnl ---------------------------------------------------------------------------
3001 dnl CF_PATHSEP version: 5 updated: 2010/05/26 05:38:42
3003 dnl Provide a value for the $PATH and similar separator
3004 AC_DEFUN([CF_PATHSEP],
3006 case $cf_cv_system_name in
3007 os2*) PATH_SEPARATOR=';' ;;
3008 *) PATH_SEPARATOR=':' ;;
3010 ifelse([$1],,,[$1=$PATH_SEPARATOR])
3011 AC_SUBST(PATH_SEPARATOR)
3013 dnl ---------------------------------------------------------------------------
3014 dnl CF_PATH_SYNTAX version: 13 updated: 2010/05/26 05:38:42
3016 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
3017 dnl begins with one of the prefix/exec_prefix variables, and then again if the
3018 dnl result begins with 'NONE'. This is necessary to work around autoconf's
3019 dnl delayed evaluation of those symbols.
3020 AC_DEFUN([CF_PATH_SYNTAX],[
3021 if test "x$prefix" != xNONE; then
3022 cf_path_syntax="$prefix"
3024 cf_path_syntax="$ac_default_prefix"
3027 case ".[$]$1" in #(vi
3028 .\[$]\(*\)*|.\'*\'*) #(vi
3032 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
3034 .\[$]{*prefix}*) #(vi
3036 case ".[$]$1" in #(vi
3038 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3043 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3046 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
3050 dnl ---------------------------------------------------------------------------
3051 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
3052 dnl -----------------
3053 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
3055 dnl POSIX.1-1990 _POSIX_SOURCE
3056 dnl POSIX.1-1990 and _POSIX_SOURCE and
3057 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
3059 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
3060 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
3061 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
3064 dnl $1 is the nominal value for _POSIX_C_SOURCE
3065 AC_DEFUN([CF_POSIX_C_SOURCE],
3067 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
3069 cf_save_CFLAGS="$CFLAGS"
3070 cf_save_CPPFLAGS="$CPPFLAGS"
3072 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
3073 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
3075 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
3076 CF_MSG_LOG(if the symbol is already defined go no further)
3077 AC_TRY_COMPILE([#include <sys/types.h>],[
3078 #ifndef _POSIX_C_SOURCE
3081 [cf_cv_posix_c_source=no],
3082 [cf_want_posix_source=no
3083 case .$cf_POSIX_C_SOURCE in #(vi
3085 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3088 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3089 cf_want_posix_source=yes
3092 cf_want_posix_source=yes
3095 if test "$cf_want_posix_source" = yes ; then
3096 AC_TRY_COMPILE([#include <sys/types.h>],[
3097 #ifdef _POSIX_SOURCE
3100 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
3102 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
3103 CFLAGS="$cf_trim_CFLAGS"
3104 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
3105 CF_MSG_LOG(if the second compile does not leave our definition intact error)
3106 AC_TRY_COMPILE([#include <sys/types.h>],[
3107 #ifndef _POSIX_C_SOURCE
3110 [cf_cv_posix_c_source=no])
3111 CFLAGS="$cf_save_CFLAGS"
3112 CPPFLAGS="$cf_save_CPPFLAGS"
3116 if test "$cf_cv_posix_c_source" != no ; then
3117 CFLAGS="$cf_trim_CFLAGS"
3118 CPPFLAGS="$cf_trim_CPPFLAGS"
3119 CF_ADD_CFLAGS($cf_cv_posix_c_source)
3123 dnl ---------------------------------------------------------------------------
3124 dnl CF_PROG_CC_U_D version: 1 updated: 2005/07/14 16:59:30
3126 dnl Check if C (preprocessor) -U and -D options are processed in the order
3127 dnl given rather than by type of option. Some compilers insist on apply all
3128 dnl of the -U options after all of the -D options. Others allow mixing them,
3129 dnl and may predefine symbols that conflict with those we define.
3130 AC_DEFUN([CF_PROG_CC_U_D],
3132 AC_CACHE_CHECK(if $CC -U and -D options work together,cf_cv_cc_u_d_options,[
3133 cf_save_CPPFLAGS="$CPPFLAGS"
3134 CPPFLAGS="-UU_D_OPTIONS -DU_D_OPTIONS -DD_U_OPTIONS -UD_U_OPTIONS"
3137 make an undefined-error
3140 make a defined-error
3143 cf_cv_cc_u_d_options=yes],[
3144 cf_cv_cc_u_d_options=no])
3145 CPPFLAGS="$cf_save_CPPFLAGS"
3148 dnl ---------------------------------------------------------------------------
3149 dnl CF_PROG_EXT version: 10 updated: 2004/01/03 19:28:18
3151 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
3152 AC_DEFUN([CF_PROG_EXT],
3154 AC_REQUIRE([CF_CHECK_CACHE])
3155 case $cf_cv_system_name in
3157 CFLAGS="$CFLAGS -Zmt"
3158 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
3159 CXXFLAGS="$CXXFLAGS -Zmt"
3160 # autoconf's macro sets -Zexe and suffix both, which conflict:w
3161 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
3171 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT")
3173 dnl ---------------------------------------------------------------------------
3174 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3175 dnl ----------------
3176 dnl Remove all -U and -D options that refer to the given symbol from a list
3177 dnl of C compiler options. This works around the problem that not all
3178 dnl compilers process -U and -D options from left-to-right, so a -U option
3179 dnl cannot be used to cancel the effect of a preceding -D option.
3181 dnl $1 = target (which could be the same as the source variable)
3182 dnl $2 = source (including '$')
3183 dnl $3 = symbol to remove
3184 define([CF_REMOVE_DEFINE],
3187 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
3188 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
3190 dnl ---------------------------------------------------------------------------
3191 dnl CF_RPATH_HACK version: 9 updated: 2011/02/13 13:31:33
3193 AC_DEFUN([CF_RPATH_HACK],
3195 AC_REQUIRE([CF_LD_RPATH_OPT])
3196 AC_MSG_CHECKING(for updated LDFLAGS)
3197 if test -n "$LD_RPATH_OPT" ; then
3198 AC_MSG_RESULT(maybe)
3200 AC_CHECK_PROGS(cf_ldd_prog,ldd,no)
3201 cf_rpath_list="/usr/lib /lib"
3202 if test "$cf_ldd_prog" != no
3206 AC_TRY_LINK([#include <stdio.h>],
3208 [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort -u`
3209 cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[ ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort -u`])
3211 # If we passed the link-test, but get a "not found" on a given library,
3212 # this could be due to inept reconfiguration of gcc to make it only
3213 # partly honor /usr/local/lib (or whatever). Sometimes this behavior
3214 # is intentional, e.g., installing gcc in /usr/bin and suppressing the
3215 # /usr/local libraries.
3216 if test -n "$cf_rpath_oops"
3218 for cf_rpath_src in $cf_rpath_oops
3220 for cf_rpath_dir in \
3225 if test -f $cf_rpath_dir/lib/$cf_rpath_src
3227 CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
3228 LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
3236 CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
3238 CF_RPATH_HACK_2(LDFLAGS)
3239 CF_RPATH_HACK_2(LIBS)
3241 CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
3243 AC_SUBST(EXTRA_LDFLAGS)
3245 dnl ---------------------------------------------------------------------------
3246 dnl CF_RPATH_HACK_2 version: 6 updated: 2010/04/17 16:31:24
3248 dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
3249 dnl EXTRA_LDFLAGS for each -L option found.
3251 dnl $cf_rpath_list contains a list of directories to ignore.
3253 dnl $1 = variable name to update. The LDFLAGS variable should be the only one,
3254 dnl but LIBS often has misplaced -L options.
3255 AC_DEFUN([CF_RPATH_HACK_2],
3257 CF_VERBOSE(...checking $1 [$]$1)
3260 for cf_rpath_src in [$]$1
3262 case $cf_rpath_src in #(vi
3265 # check if this refers to a directory which we will ignore
3267 if test -n "$cf_rpath_list"
3269 for cf_rpath_item in $cf_rpath_list
3271 if test "x$cf_rpath_src" = "x-L$cf_rpath_item"
3279 if test "$cf_rpath_skip" = no
3281 # transform the option
3282 if test "$LD_RPATH_OPT" = "-R " ; then
3283 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"`
3285 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"`
3288 # if we have not already added this, add it now
3289 cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"`
3290 if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS"
3292 CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
3293 EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
3298 cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
3302 CF_VERBOSE(...checked $1 [$]$1)
3303 AC_SUBST(EXTRA_LDFLAGS)
3305 dnl ---------------------------------------------------------------------------
3306 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
3308 dnl Construct a search-list for a nonstandard header/lib-file
3309 dnl $1 = the variable to return as result
3310 dnl $2 = the package name
3311 dnl $3 = the subdirectory, e.g., bin, include or lib
3312 AC_DEFUN([CF_SUBDIR_PATH],
3316 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
3317 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3318 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
3319 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
3320 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
3322 dnl ---------------------------------------------------------------------------
3323 dnl CF_SUBST version: 4 updated: 2006/06/17 12:33:03
3325 dnl Shorthand macro for substituting things that the user may override
3326 dnl with an environment variable.
3328 dnl $1 = long/descriptive name
3329 dnl $2 = environment variable
3330 dnl $3 = default value
3331 AC_DEFUN([CF_SUBST],
3332 [AC_CACHE_VAL(cf_cv_subst_$2,[
3333 AC_MSG_CHECKING(for $1 (symbol $2))
3334 CF_SUBST_IF([-z "[$]$2"], [$2], [$3])
3335 cf_cv_subst_$2=[$]$2
3336 AC_MSG_RESULT([$]$2)
3339 dnl ---------------------------------------------------------------------------
3340 dnl CF_SYSTYPE version: 3 updated: 2001/02/03 00:14:59
3342 dnl Derive the system-type (our main clue to the method of building shared
3344 AC_DEFUN([CF_SYSTYPE],
3346 AC_MSG_CHECKING(for system type)
3347 AC_CACHE_VAL(cf_cv_systype,[
3348 AC_ARG_WITH(system-type,
3349 [ --with-system-type=XXX test: override derived host system-type],
3350 [cf_cv_systype=$withval],
3352 cf_cv_systype="`(uname -s || hostname || echo unknown) 2>/dev/null |sed -e s'/[[:\/.-]]/_/'g | sed 1q`"
3353 if test -z "$cf_cv_systype"; then cf_cv_systype=unknown;fi
3355 AC_MSG_RESULT($cf_cv_systype)
3357 dnl ---------------------------------------------------------------------------
3358 dnl CF_SYS_NAME version: 3 updated: 2008/03/23 14:48:54
3360 dnl Derive the system name, as a check for reusing the autoconf cache
3361 AC_DEFUN([CF_SYS_NAME],
3363 SYS_NAME=`(uname -s -r || uname -a || hostname) 2>/dev/null | sed 1q`
3364 test -z "$SYS_NAME" && SYS_NAME=unknown
3365 AC_DEFINE_UNQUOTED(SYS_NAME,"$SYS_NAME")
3367 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$SYS_NAME"])
3369 if test ".$SYS_NAME" != ".$cf_cv_system_name" ; then
3370 AC_MSG_RESULT("Cached system name does not agree with actual")
3371 AC_MSG_ERROR("Please remove config.cache and try again.")
3373 dnl ---------------------------------------------------------------------------
3374 dnl CF_TERM_HEADER version: 2 updated: 2010/10/23 15:54:49
3376 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3377 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3378 dnl but some packagers change this, breaking various applications.
3379 AC_DEFUN([CF_TERM_HEADER],[
3380 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3381 case ${cf_cv_ncurses_header} in #(vi
3382 */ncurses.h|*/ncursesw.h) #(vi
3383 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3386 cf_term_header=term.h
3390 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3392 AC_TRY_COMPILE([#include <stdio.h>
3393 #include <${cf_cv_ncurses_header:-curses.h}>
3395 ],[int x = auto_left_margin],[
3396 cf_cv_term_header="$cf_test"],[
3397 cf_cv_term_header=unknown
3399 test "$cf_cv_term_header" != unknown && break
3403 # Set definitions to allow ifdef'ing to accommodate subdirectories
3405 case $cf_cv_term_header in # (vi
3407 AC_DEFINE(HAVE_TERM_H)
3411 case $cf_cv_term_header in # (vi
3412 ncurses/term.h) #(vi
3413 AC_DEFINE(HAVE_NCURSES_TERM_H)
3416 AC_DEFINE(HAVE_NCURSESW_TERM_H)
3420 dnl ---------------------------------------------------------------------------
3421 dnl CF_UNION_WAIT version: 5 updated: 1997/11/23 14:49:44
3423 dnl Check to see if the BSD-style union wait is declared. Some platforms may
3424 dnl use this, though it is deprecated in favor of the 'int' type in Posix.
3425 dnl Some vendors provide a bogus implementation that declares union wait, but
3426 dnl uses the 'int' type instead; we try to spot these by checking for the
3427 dnl associated macros.
3429 dnl Ahem. Some implementers cast the status value to an int*, as an attempt to
3430 dnl use the macros for either union wait or int. So we do a check compile to
3431 dnl see if the macros are defined and apply to an int.
3433 dnl Sets: $cf_cv_type_unionwait
3434 dnl Defines: HAVE_TYPE_UNIONWAIT
3435 AC_DEFUN([CF_UNION_WAIT],
3437 AC_REQUIRE([CF_WAIT_HEADERS])
3438 AC_MSG_CHECKING([for union wait])
3439 AC_CACHE_VAL(cf_cv_type_unionwait,[
3440 AC_TRY_LINK($cf_wait_headers,
3442 int y = WEXITSTATUS(x);
3443 int z = WTERMSIG(x);
3446 [cf_cv_type_unionwait=no
3447 echo compiles ok w/o union wait 1>&AC_FD_CC
3449 AC_TRY_LINK($cf_wait_headers,
3452 int y = WEXITSTATUS(x);
3455 int z = WTERMSIG(x);
3459 [cf_cv_type_unionwait=yes
3460 echo compiles ok with union wait and possibly macros too 1>&AC_FD_CC
3462 [cf_cv_type_unionwait=no])])])
3463 AC_MSG_RESULT($cf_cv_type_unionwait)
3464 test $cf_cv_type_unionwait = yes && AC_DEFINE(HAVE_TYPE_UNIONWAIT)
3466 dnl ---------------------------------------------------------------------------
3467 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3469 dnl Make an uppercase version of a variable
3470 dnl $1=uppercase($2)
3471 AC_DEFUN([CF_UPPER],
3473 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3475 dnl ---------------------------------------------------------------------------
3476 dnl CF_UTF8_LIB version: 7 updated: 2010/06/20 09:24:28
3478 dnl Check for multibyte support, and if not found, utf8 compatibility library
3479 AC_DEFUN([CF_UTF8_LIB],
3481 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3482 cf_save_LIBS="$LIBS"
3484 #include <stdlib.h>],[putwc(0,0);],
3485 [cf_cv_utf8_lib=yes],
3487 #include <libutf8.h>],[putwc(0,0);],utf8,
3488 [cf_cv_utf8_lib=add-on],
3489 [cf_cv_utf8_lib=no])
3492 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3494 if test "$cf_cv_utf8_lib" = "add-on" ; then
3495 AC_DEFINE(HAVE_LIBUTF8_H)
3496 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3497 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3498 CF_ADD_LIBS($cf_cv_library_file_utf8)
3501 dnl ---------------------------------------------------------------------------
3502 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3504 dnl Use AC_VERBOSE w/o the warnings
3505 AC_DEFUN([CF_VERBOSE],
3506 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3509 dnl ---------------------------------------------------------------------------
3510 dnl CF_VERSION_INFO version: 4 updated: 2011/01/02 19:09:47
3512 dnl Define several useful symbols derived from the VERSION file. A separate
3513 dnl file is preferred to embedding the version numbers in various scripts.
3514 dnl (automake is a textbook-example of why the latter is a bad idea, but there
3517 dnl The file contents are:
3518 dnl libtool-version release-version patch-version
3522 dnl libtool-version (see ?) consists of 3 integers separated by '.'
3523 dnl release-version consists of a major version and minor version
3524 dnl separated by '.', optionally followed by a patch-version
3525 dnl separated by '-'. The minor version need not be an
3526 dnl integer (but it is preferred).
3527 dnl patch-version is an integer in the form yyyymmdd, so ifdef's and
3528 dnl scripts can easily compare versions.
3530 dnl If libtool is used, the first form is required, since CF_WITH_LIBTOOL
3531 dnl simply extracts the first field using 'cut -f1'.
3533 dnl Optional parameters:
3534 dnl $1 = internal name for package
3535 dnl $2 = external name for package
3536 AC_DEFUN([CF_VERSION_INFO],
3538 if test -f $srcdir/VERSION ; then
3539 AC_MSG_CHECKING(for package version)
3541 # if there are not enough fields, cut returns the last one...
3542 cf_field1=`sed -e '2,$d' $srcdir/VERSION|cut -f1`
3543 cf_field2=`sed -e '2,$d' $srcdir/VERSION|cut -f2`
3544 cf_field3=`sed -e '2,$d' $srcdir/VERSION|cut -f3`
3546 # this is how CF_BUNDLED_INTL uses $VERSION:
3547 VERSION="$cf_field1"
3549 VERSION_MAJOR=`echo "$cf_field2" | sed -e 's/\..*//'`
3550 test -z "$VERSION_MAJOR" && AC_MSG_ERROR(missing major-version)
3552 VERSION_MINOR=`echo "$cf_field2" | sed -e 's/^[[^.]]*\.//' -e 's/-.*//'`
3553 test -z "$VERSION_MINOR" && AC_MSG_ERROR(missing minor-version)
3555 AC_MSG_RESULT(${VERSION_MAJOR}.${VERSION_MINOR})
3557 AC_MSG_CHECKING(for package patch date)
3558 VERSION_PATCH=`echo "$cf_field3" | sed -e 's/^[[^-]]*-//'`
3559 case .$VERSION_PATCH in
3561 AC_MSG_ERROR(missing patch-date $VERSION_PATCH)
3563 .[[0-9]][[0-9]][[0-9]][[0-9]][[0-9]][[0-9]][[0-9]][[0-9]])
3566 AC_MSG_ERROR(illegal patch-date $VERSION_PATCH)
3569 AC_MSG_RESULT($VERSION_PATCH)
3571 AC_MSG_ERROR(did not find $srcdir/VERSION)
3574 # show the actual data that we have for versions:
3575 CF_VERBOSE(VERSION $VERSION)
3576 CF_VERBOSE(VERSION_MAJOR $VERSION_MAJOR)
3577 CF_VERBOSE(VERSION_MINOR $VERSION_MINOR)
3578 CF_VERBOSE(VERSION_PATCH $VERSION_PATCH)
3581 AC_SUBST(VERSION_MAJOR)
3582 AC_SUBST(VERSION_MINOR)
3583 AC_SUBST(VERSION_PATCH)
3585 dnl if a package name is given, define its corresponding version info. We
3586 dnl need the package name to ensure that the defined symbols are unique.
3589 PACKAGE=ifelse($2,,$1,$2)
3590 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
3592 CF_UPPER(cf_PACKAGE,$cf_PACKAGE)
3593 AC_DEFINE_UNQUOTED(${cf_PACKAGE}_VERSION,"${VERSION_MAJOR}.${VERSION_MINOR}")
3594 AC_DEFINE_UNQUOTED(${cf_PACKAGE}_PATCHDATE,${VERSION_PATCH})
3597 dnl ---------------------------------------------------------------------------
3598 dnl CF_WAIT_HEADERS version: 2 updated: 1997/10/21 19:45:33
3600 dnl Build up an expression $cf_wait_headers with the header files needed to
3601 dnl compile against the prototypes for 'wait()', 'waitpid()', etc. Assume it's
3602 dnl Posix, which uses <sys/types.h> and <sys/wait.h>, but allow SVr4 variation
3604 AC_DEFUN([CF_WAIT_HEADERS],
3606 AC_HAVE_HEADERS(sys/wait.h)
3607 cf_wait_headers="#include <sys/types.h>
3609 if test $ac_cv_header_sys_wait_h = yes; then
3610 cf_wait_headers="$cf_wait_headers
3611 #include <sys/wait.h>
3614 AC_HAVE_HEADERS(wait.h)
3615 AC_HAVE_HEADERS(waitstatus.h)
3616 if test $ac_cv_header_wait_h = yes; then
3617 cf_wait_headers="$cf_wait_headers
3621 if test $ac_cv_header_waitstatus_h = yes; then
3622 cf_wait_headers="$cf_wait_headers
3623 #include <waitstatus.h>
3628 dnl ---------------------------------------------------------------------------
3629 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3630 dnl ------------------
3631 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3633 AC_DEFUN([CF_WITH_CURSES_DIR],[
3635 AC_MSG_CHECKING(for specific curses-directory)
3636 AC_ARG_WITH(curses-dir,
3637 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3638 [cf_cv_curses_dir=$withval],
3639 [cf_cv_curses_dir=no])
3640 AC_MSG_RESULT($cf_cv_curses_dir)
3642 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3644 CF_PATH_SYNTAX(withval)
3645 if test -d "$cf_cv_curses_dir"
3647 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3648 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3652 dnl ---------------------------------------------------------------------------
3653 dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
3654 dnl ----------------
3655 dnl Configure-option for dbmalloc. The optional parameter is used to override
3656 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
3657 AC_DEFUN([CF_WITH_DBMALLOC],[
3658 CF_NO_LEAKS_OPTION(dbmalloc,
3659 [ --with-dbmalloc test: use Conor Cahill's dbmalloc library],
3662 if test "$with_dbmalloc" = yes ; then
3663 AC_CHECK_HEADER(dbmalloc.h,
3664 [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
3667 dnl ---------------------------------------------------------------------------
3668 dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
3670 dnl Configure-option for dmalloc. The optional parameter is used to override
3671 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
3672 AC_DEFUN([CF_WITH_DMALLOC],[
3673 CF_NO_LEAKS_OPTION(dmalloc,
3674 [ --with-dmalloc test: use Gray Watson's dmalloc library],
3677 if test "$with_dmalloc" = yes ; then
3678 AC_CHECK_HEADER(dmalloc.h,
3679 [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
3682 dnl ---------------------------------------------------------------------------
3683 dnl CF_WITH_LIBTOOL version: 27 updated: 2011/06/28 18:45:38
3685 dnl Provide a configure option to incorporate libtool. Define several useful
3686 dnl symbols for the makefile rules.
3688 dnl The reference to AC_PROG_LIBTOOL does not normally work, since it uses
3689 dnl macros from libtool.m4 which is in the aclocal directory of automake.
3690 dnl Following is a simple script which turns on the AC_PROG_LIBTOOL macro.
3691 dnl But that still does not work properly since the macro is expanded outside
3692 dnl the CF_WITH_LIBTOOL macro:
3695 dnl ACLOCAL=`aclocal --print-ac-dir`
3696 dnl if test -z "$ACLOCAL" ; then
3697 dnl echo cannot find aclocal directory
3699 dnl elif test ! -f $ACLOCAL/libtool.m4 ; then
3700 dnl echo cannot find libtool.m4 file
3704 dnl LOCAL=aclocal.m4
3705 dnl ORIG=aclocal.m4.orig
3707 dnl trap "mv $ORIG $LOCAL" 0 1 2 5 15
3711 dnl # sed the LIBTOOL= assignment to omit the current directory?
3712 dnl sed -e 's/^LIBTOOL=.*/LIBTOOL=${LIBTOOL:-libtool}/' $ACLOCAL/libtool.m4 >>$LOCAL
3713 dnl cat $ORIG >>$LOCAL
3717 AC_DEFUN([CF_WITH_LIBTOOL],
3719 AC_REQUIRE([CF_DISABLE_LIBTOOL_VERSION])
3720 ifdef([AC_PROG_LIBTOOL],,[
3723 # common library maintenance symbols that are convenient for libtool scripts:
3724 LIB_CREATE='${AR} -cr'
3725 LIB_OBJECT='${OBJECTS}'
3729 # symbols used to prop libtool up to enable it to determine what it should be
3737 AC_MSG_CHECKING(if you want to build libraries with libtool)
3738 AC_ARG_WITH(libtool,
3739 [ --with-libtool generate libraries with libtool],
3740 [with_libtool=$withval],
3742 AC_MSG_RESULT($with_libtool)
3743 if test "$with_libtool" != "no"; then
3744 ifdef([AC_PROG_LIBTOOL],[
3745 # missing_content_AC_PROG_LIBTOOL{{
3747 # missing_content_AC_PROG_LIBTOOL}}
3749 if test "$with_libtool" != "yes" ; then
3750 CF_PATH_SYNTAX(with_libtool)
3751 LIBTOOL=$with_libtool
3753 AC_PATH_PROG(LIBTOOL,libtool)
3755 if test -z "$LIBTOOL" ; then
3756 AC_MSG_ERROR(Cannot find libtool)
3759 LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} ${LIBTOOL_VERSION} `cut -f1 ${srcdir}/VERSION` ${LIBTOOL_OPTS} ${LT_UNDEF} $(LIBS) -o'
3760 LIB_OBJECT='${OBJECTS:.o=.lo}'
3762 LIB_CLEAN='${LIBTOOL} --mode=clean'
3763 LIB_COMPILE='${LIBTOOL} --mode=compile'
3764 LIB_LINK='${LIBTOOL} --mode=link ${CC} ${LIBTOOL_OPTS}'
3765 LIB_INSTALL='${LIBTOOL} --mode=install'
3766 LIB_UNINSTALL='${LIBTOOL} --mode=uninstall'
3769 # Show the version of libtool
3770 AC_MSG_CHECKING(version of libtool)
3772 # Save the version in a cache variable - this is not entirely a good
3773 # thing, but the version string from libtool is very ugly, and for
3774 # bug reports it might be useful to have the original string. "("
3775 cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
3776 AC_MSG_RESULT($cf_cv_libtool_version)
3777 if test -z "$cf_cv_libtool_version" ; then
3778 AC_MSG_ERROR(This is not GNU libtool)
3781 # special hack to add -no-undefined (which libtool should do for itself)
3783 case "$cf_cv_system_name" in #(vi
3784 cygwin*|mingw32*|uwin*|aix[[456]]) #(vi
3785 LT_UNDEF=-no-undefined
3788 AC_SUBST([LT_UNDEF])
3790 # special hack to add --tag option for C++ compiler
3791 case $cf_cv_libtool_version in #(vi
3792 1.[[5-9]]*|[[2-9]].[[0-9.a-z]]*) #(vi
3793 LIBTOOL_CXX="$LIBTOOL --tag=CXX"
3794 LIBTOOL="$LIBTOOL --tag=CC"
3797 LIBTOOL_CXX="$LIBTOOL"
3805 test -z "$LIBTOOL" && ECHO_LT=
3808 AC_SUBST(LIBTOOL_CXX)
3809 AC_SUBST(LIBTOOL_OPTS)
3811 AC_SUBST(LIB_CREATE)
3812 AC_SUBST(LIB_OBJECT)
3813 AC_SUBST(LIB_SUFFIX)
3817 AC_SUBST(LIB_COMPILE)
3819 AC_SUBST(LIB_INSTALL)
3820 AC_SUBST(LIB_UNINSTALL)
3823 dnl ---------------------------------------------------------------------------
3824 dnl CF_WITH_LIBTOOL_OPTS version: 2 updated: 2007/04/08 18:14:54
3825 dnl --------------------
3826 dnl Allow user to pass additional libtool options into the library creation
3827 dnl and link steps. The main use for this is to do something like
3828 dnl ./configure --with-libtool-opts=-static
3829 dnl to get the same behavior as automake-flavored
3830 dnl ./configure --enable-static
3831 AC_DEFUN([CF_WITH_LIBTOOL_OPTS],[
3832 AC_MSG_CHECKING(for additional libtool options)
3833 AC_ARG_WITH(libtool-opts,
3834 [ --with-libtool-opts=XXX specify additional libtool options],
3835 [with_libtool_opts=$withval],
3836 [with_libtool_opts=no])
3837 AC_MSG_RESULT($with_libtool_opts)
3839 case .$with_libtool_opts in
3843 LIBTOOL_OPTS=$with_libtool_opts
3847 AC_SUBST(LIBTOOL_OPTS)
3849 dnl ---------------------------------------------------------------------------
3850 dnl CF_WITH_NO_LEAKS version: 1 updated: 2006/12/14 18:00:21
3851 dnl ----------------
3852 AC_DEFUN([CF_WITH_NO_LEAKS],[
3854 AC_REQUIRE([CF_WITH_DMALLOC])
3855 AC_REQUIRE([CF_WITH_DBMALLOC])
3856 AC_REQUIRE([CF_WITH_PURIFY])
3857 AC_REQUIRE([CF_WITH_VALGRIND])
3859 AC_MSG_CHECKING(if you want to perform memory-leak testing)
3860 AC_ARG_WITH(no-leaks,
3861 [ --with-no-leaks test: free permanent memory, analyze leaks],
3862 [AC_DEFINE(NO_LEAKS)
3863 cf_doalloc=".${with_dmalloc}${with_dbmalloc}${with_purify}${with_valgrind}"
3864 case ${cf_doalloc} in #(vi
3866 *) AC_DEFINE(DOALLOC,10000) ;;
3870 AC_MSG_RESULT($with_no_leaks)
3872 dnl ---------------------------------------------------------------------------
3873 dnl CF_WITH_PURIFY version: 2 updated: 2006/12/14 18:43:43
3875 AC_DEFUN([CF_WITH_PURIFY],[
3876 CF_NO_LEAKS_OPTION(purify,
3877 [ --with-purify test: use Purify],
3879 [LINK_PREFIX="$LINK_PREFIX purify"])
3880 AC_SUBST(LINK_PREFIX)
3882 dnl ---------------------------------------------------------------------------
3883 dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
3884 dnl ----------------
3885 AC_DEFUN([CF_WITH_VALGRIND],[
3886 CF_NO_LEAKS_OPTION(valgrind,
3887 [ --with-valgrind test: use valgrind],
3890 dnl ---------------------------------------------------------------------------
3891 dnl CF_WITH_WARNINGS version: 5 updated: 2004/07/23 14:40:34
3892 dnl ----------------
3893 dnl Combine the checks for gcc features into a configure-script option
3896 dnl $1 - see CF_GCC_WARNINGS
3897 AC_DEFUN([CF_WITH_WARNINGS],
3899 if ( test "$GCC" = yes || test "$GXX" = yes )
3901 AC_MSG_CHECKING(if you want to check for gcc warnings)
3902 AC_ARG_WITH(warnings,
3903 [ --with-warnings test: turn on gcc warnings],
3904 [cf_opt_with_warnings=$withval],
3905 [cf_opt_with_warnings=no])
3906 AC_MSG_RESULT($cf_opt_with_warnings)
3907 if test "$cf_opt_with_warnings" != no ; then
3909 CF_GCC_WARNINGS([$1])
3913 dnl ---------------------------------------------------------------------------
3914 dnl CF_XOPEN_CURSES version: 11 updated: 2011/01/18 18:15:30
3916 dnl Test if we should define X/Open source for curses, needed on Digital Unix
3917 dnl 4.x, to see the extended functions, but breaks on IRIX 6.x.
3919 dnl The getbegyx() check is needed for HPUX, which omits legacy macros such
3920 dnl as getbegy(). The latter is better design, but the former is standard.
3921 AC_DEFUN([CF_XOPEN_CURSES],
3923 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
3924 AC_CACHE_CHECK(if we must define _XOPEN_SOURCE_EXTENDED,cf_cv_need_xopen_extension,[
3927 #include <${cf_cv_ncurses_header:-curses.h}>],[
3928 #if defined(NCURSES_VERSION_PATCH)
3929 #if (NCURSES_VERSION_PATCH < 20100501) && (NCURSES_VERSION_PATCH >= 20100403)
3933 long x = winnstr(stdscr, "", 0);
3935 getbegyx(stdscr, y1, x1)],
3936 [cf_cv_need_xopen_extension=no],
3938 #define _XOPEN_SOURCE_EXTENDED
3940 #include <${cf_cv_ncurses_header:-curses.h}>],[
3941 #ifdef NCURSES_VERSION
3943 int check2 = curs_set((int)sizeof(check));
3945 long x = winnstr(stdscr, "", 0);
3947 getbegyx(stdscr, y1, x1)],
3948 [cf_cv_need_xopen_extension=yes],
3949 [cf_cv_need_xopen_extension=unknown])])])
3950 test $cf_cv_need_xopen_extension = yes && CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
3952 dnl ---------------------------------------------------------------------------
3953 dnl CF_XOPEN_SOURCE version: 35 updated: 2011/02/20 20:37:37
3955 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3956 dnl or adapt to the vendor's definitions to get equivalent functionality,
3957 dnl without losing the common non-POSIX features.
3960 dnl $1 is the nominal value for _XOPEN_SOURCE
3961 dnl $2 is the nominal value for _POSIX_C_SOURCE
3962 AC_DEFUN([CF_XOPEN_SOURCE],[
3964 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3965 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3968 case $host_os in #(vi
3970 cf_xopen_source="-D_ALL_SOURCE"
3975 darwin[[0-8]].*) #(vi
3976 cf_xopen_source="-D_APPLE_C_SOURCE"
3979 cf_xopen_source="-D_DARWIN_C_SOURCE"
3981 freebsd*|dragonfly*) #(vi
3982 # 5.x headers associate
3983 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3984 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3985 cf_POSIX_C_SOURCE=200112L
3987 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3990 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3993 cf_xopen_source="-D_HPUX_SOURCE"
3996 cf_xopen_source="-D_SGI_SOURCE"
3998 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
4002 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <arpa/inet.h>
4005 # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4008 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4011 cf_xopen_source="-D_OSF_SOURCE"
4014 cf_xopen_source="-D_QNX_SOURCE"
4017 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4019 solaris2.1[[0-9]]) #(vi
4020 cf_xopen_source="-D__EXTENSIONS__ -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4022 solaris2.[[1-9]]) #(vi
4023 cf_xopen_source="-D__EXTENSIONS__"
4026 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
4027 AC_TRY_COMPILE([#include <sys/types.h>],[
4028 #ifndef _XOPEN_SOURCE
4031 [cf_cv_xopen_source=no],
4032 [cf_save="$CPPFLAGS"
4033 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4034 AC_TRY_COMPILE([#include <sys/types.h>],[
4035 #ifdef _XOPEN_SOURCE
4038 [cf_cv_xopen_source=no],
4039 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
4043 if test "$cf_cv_xopen_source" != no ; then
4044 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
4045 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
4046 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
4047 CF_ADD_CFLAGS($cf_temp_xopen_source)
4049 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4053 if test -n "$cf_xopen_source" ; then
4054 CF_ADD_CFLAGS($cf_xopen_source)
4057 dnl ---------------------------------------------------------------------------
4058 dnl CF__CURSES_HEAD version: 2 updated: 2010/10/23 15:54:49
4060 dnl Define a reusable chunk which includes <curses.h> and <term.h> when they
4061 dnl are both available.
4062 define([CF__CURSES_HEAD],[
4064 #include <xcurses.h>
4065 char * XCursesProgramName = "test";
4067 #include <${cf_cv_ncurses_header:-curses.h}>
4068 #if defined(NCURSES_VERSION) && defined(HAVE_NCURSESW_TERM_H)
4069 #include <ncursesw/term.h>
4070 #elif defined(NCURSES_VERSION) && defined(HAVE_NCURSES_TERM_H)
4071 #include <ncurses/term.h>
4072 #elif defined(HAVE_TERM_H)
4077 dnl ---------------------------------------------------------------------------
4078 dnl CF__ICONV_BODY version: 2 updated: 2007/07/26 17:35:47
4080 dnl Test-code needed for iconv compile-checks
4081 define([CF__ICONV_BODY],[
4082 iconv_t cd = iconv_open("","");
4083 iconv(cd,NULL,NULL,NULL,NULL);
4086 dnl ---------------------------------------------------------------------------
4087 dnl CF__ICONV_HEAD version: 1 updated: 2007/07/26 15:57:03
4089 dnl Header-files needed for iconv compile-checks
4090 define([CF__ICONV_HEAD],[
4094 dnl ---------------------------------------------------------------------------
4095 dnl CF__INTL_BODY version: 1 updated: 2007/07/26 17:35:47
4097 dnl Test-code needed for libintl compile-checks
4098 dnl $1 = parameter 2 from AM_WITH_NLS
4099 define([CF__INTL_BODY],[
4100 bindtextdomain ("", "");
4101 return (int) gettext ("")
4102 ifelse([$1], need-ngettext, [ + (int) ngettext ("", "", 0)], [])
4103 [ + _nl_msg_cat_cntr]
4105 dnl ---------------------------------------------------------------------------
4106 dnl CF__INTL_HEAD version: 1 updated: 2007/07/26 17:35:47
4108 dnl Header-files needed for libintl compile-checks
4109 define([CF__INTL_HEAD],[
4110 #include <libintl.h>
4111 extern int _nl_msg_cat_cntr;
4113 dnl ---------------------------------------------------------------------------
4114 dnl jm_GLIBC21 version: 3 updated: 2002/10/27 23:21:42
4116 dnl Inserted as requested by gettext 0.10.40
4117 dnl File from /usr/share/aclocal
4119 dnl ====================
4122 dnl Test for the GNU C Library, version 2.1 or newer.
4123 dnl From Bruno Haible.
4124 AC_DEFUN([jm_GLIBC21],
4126 AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
4127 ac_cv_gnu_library_2_1,
4128 [AC_EGREP_CPP([Lucky GNU user],
4130 #include <features.h>
4131 #ifdef __GNU_LIBRARY__
4132 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
4137 ac_cv_gnu_library_2_1=yes,
4138 ac_cv_gnu_library_2_1=no)
4142 GLIBC21="$ac_cv_gnu_library_2_1"