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source: trunk/third/scrollkeeper/aclocal.m4 @ 15983

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Revision 15983, 30.2 KB checked in by ghudson, 24 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r15982, which included commits to RCS files with non-trunk default branches.

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1	dnl aclocal.m4 generated automatically by aclocal 1.4
2
3	dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
4	dnl This file is free software; the Free Software Foundation
5	dnl gives unlimited permission to copy and/or distribute it,
6	dnl with or without modifications, as long as this notice is preserved.
7
8	dnl This program is distributed in the hope that it will be useful,
9	dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
10	dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
11	dnl PARTICULAR PURPOSE.
12
13	# Like AC_CONFIG_HEADER, but automatically create stamp file.
14
15	AC_DEFUN(AM_CONFIG_HEADER,
16	[AC_PREREQ([2.12])
17	AC_CONFIG_HEADER([$1])
18	dnl When config.status generates a header, we must update the stamp-h file.
19	dnl This file resides in the same directory as the config header
20	dnl that is generated. We must strip everything past the first ":",
21	dnl and everything past the last "/".
22	AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
23	ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
24	<<test -z "<<$>>CONFIG_HEADERS" \|\| echo timestamp > patsubst(<<$1>>, <<^\([^:]/\)?.>>, <<\1>>)stamp-h<<>>dnl>>,
25	<<am_indx=1
26	for am_file in <<$1>>; do
27	case " <<$>>CONFIG_HEADERS " in
28	" <<$>>am_file "<<)>>
29	echo timestamp > `echo <<$>>am_file \| sed -e 's%:.%%' -e 's%[^/]$%%'`stamp-h$am_indx
30	;;
31	esac
32	am_indx=`expr "<<$>>am_indx" + 1`
33	done<<>>dnl>>)
34	changequote([,]))])
35
36	# Do all the work for Automake. This macro actually does too much --
37	# some checks are only needed if your package does certain things.
38	# But this isn't really a big deal.
39
40	# serial 1
41
42	dnl Usage:
43	dnl AM_INIT_AUTOMAKE(package,version, [no-define])
44
45	AC_DEFUN(AM_INIT_AUTOMAKE,
46	[AC_REQUIRE([AC_PROG_INSTALL])
47	PACKAGE=[$1]
48	AC_SUBST(PACKAGE)
49	VERSION=[$2]
50	AC_SUBST(VERSION)
51	dnl test to see if srcdir already configured
52	if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
53	AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
54	fi
55	ifelse([$3],,
56	AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
57	AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
58	AC_REQUIRE([AM_SANITY_CHECK])
59	AC_REQUIRE([AC_ARG_PROGRAM])
60	dnl FIXME This is truly gross.
61	missing_dir=`cd $ac_aux_dir && pwd`
62	AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
63	AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
64	AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
65	AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
66	AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
67	AC_REQUIRE([AC_PROG_MAKE_SET])])
68
69	#
70	# Check to make sure that the build environment is sane.
71	#
72
73	AC_DEFUN(AM_SANITY_CHECK,
74	[AC_MSG_CHECKING([whether build environment is sane])
75	# Just in case
76	sleep 1
77	echo timestamp > conftestfile
78	# Do `set' in a subshell so we don't clobber the current shell's
79	# arguments. Must try -L first in case configure is actually a
80	# symlink; some systems play weird games with the mod time of symlinks
81	# (eg FreeBSD returns the mod time of the symlink's containing
82	# directory).
83	if (
84	set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
85	if test "[$]*" = "X"; then
86	# -L didn't work.
87	set X `ls -t $srcdir/configure conftestfile`
88	fi
89	if test "[$]*" != "X $srcdir/configure conftestfile" \
90	&& test "[$]*" != "X conftestfile $srcdir/configure"; then
91
92	# If neither matched, then we have a broken ls. This can happen
93	# if, for instance, CONFIG_SHELL is bash and it inherits a
94	# broken ls alias from the environment. This has actually
95	# happened. Such a system could not be considered "sane".
96	AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
97	alias in your environment])
98	fi
99
100	test "[$]2" = conftestfile
101	)
102	then
103	# Ok.
104	:
105	else
106	AC_MSG_ERROR([newly created file is older than distributed files!
107	Check your system clock])
108	fi
109	rm -f conftest*
110	AC_MSG_RESULT(yes)])
111
112	dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
113	dnl The program must properly implement --version.
114	AC_DEFUN(AM_MISSING_PROG,
115	[AC_MSG_CHECKING(for working $2)
116	# Run test in a subshell; some versions of sh will print an error if
117	# an executable is not found, even if stderr is redirected.
118	# Redirect stdin to placate older versions of autoconf. Sigh.
119	if ($2 --version) < /dev/null > /dev/null 2>&1; then
120	$1=$2
121	AC_MSG_RESULT(found)
122	else
123	$1="$3/missing $2"
124	AC_MSG_RESULT(missing)
125	fi
126	AC_SUBST($1)])
127
128
129	# serial 40 AC_PROG_LIBTOOL
130	AC_DEFUN(AC_PROG_LIBTOOL,
131	[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
132
133	# Save cache, so that ltconfig can load it
134	AC_CACHE_SAVE
135
136	# Actually configure libtool. ac_aux_dir is where install-sh is found.
137	CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
138	LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
139	LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
140	DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
141	${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
142	$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \
143	\|\| AC_MSG_ERROR([libtool configure failed])
144
145	# Reload cache, that may have been modified by ltconfig
146	AC_CACHE_LOAD
147
148	# This can be used to rebuild libtool when needed
149	LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
150
151	# Always use our own libtool.
152	LIBTOOL='$(SHELL) $(top_builddir)/libtool'
153	AC_SUBST(LIBTOOL)dnl
154
155	# Redirect the config.log output again, so that the ltconfig log is not
156	# clobbered by the next message.
157	exec 5>>./config.log
158	])
159
160	AC_DEFUN(AC_LIBTOOL_SETUP,
161	[AC_PREREQ(2.13)dnl
162	AC_REQUIRE([AC_ENABLE_SHARED])dnl
163	AC_REQUIRE([AC_ENABLE_STATIC])dnl
164	AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
165	AC_REQUIRE([AC_CANONICAL_HOST])dnl
166	AC_REQUIRE([AC_CANONICAL_BUILD])dnl
167	AC_REQUIRE([AC_PROG_RANLIB])dnl
168	AC_REQUIRE([AC_PROG_CC])dnl
169	AC_REQUIRE([AC_PROG_LD])dnl
170	AC_REQUIRE([AC_PROG_NM])dnl
171	AC_REQUIRE([AC_PROG_LN_S])dnl
172	dnl
173
174	case "$target" in
175	NONE) lt_target="$host" ;;
176	*) lt_target="$target" ;;
177	esac
178
179	# Check for any special flags to pass to ltconfig.
180	#
181	# the following will cause an existing older ltconfig to fail, so
182	# we ignore this at the expense of the cache file... Checking this
183	# will just take longer ... bummer!
184	#libtool_flags="--cache-file=$cache_file"
185	#
186	test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
187	test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
188	test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
189	test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
190	test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
191	ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
192	[libtool_flags="$libtool_flags --enable-dlopen"])
193	ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
194	[libtool_flags="$libtool_flags --enable-win32-dll"])
195	AC_ARG_ENABLE(libtool-lock,
196	[ --disable-libtool-lock avoid locking (might break parallel builds)])
197	test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
198	test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
199
200	# Some flags need to be propagated to the compiler or linker for good
201	# libtool support.
202	case "$lt_target" in
203	--irix6*)
204	# Find out which ABI we are using.
205	echo '[#]line __oline__ "configure"' > conftest.$ac_ext
206	if AC_TRY_EVAL(ac_compile); then
207	case "`/usr/bin/file conftest.o`" in
208	32-bit)
209	LD="${LD-ld} -32"
210	;;
211	N32)
212	LD="${LD-ld} -n32"
213	;;
214	64-bit)
215	LD="${LD-ld} -64"
216	;;
217	esac
218	fi
219	rm -rf conftest*
220	;;
221
222	--sco3.2v5*)
223	# On SCO OpenServer 5, we need -belf to get full-featured binaries.
224	SAVE_CFLAGS="$CFLAGS"
225	CFLAGS="$CFLAGS -belf"
226	AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
227	[AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
228	if test x"$lt_cv_cc_needs_belf" != x"yes"; then
229	# this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
230	CFLAGS="$SAVE_CFLAGS"
231	fi
232	;;
233
234	ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
235	[--cygwin* \| --mingw*)
236	AC_CHECK_TOOL(DLLTOOL, dlltool, false)
237	AC_CHECK_TOOL(AS, as, false)
238	AC_CHECK_TOOL(OBJDUMP, objdump, false)
239	;;
240	])
241	esac
242	])
243
244	# AC_LIBTOOL_DLOPEN - enable checks for dlopen support
245	AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
246
247	# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
248	AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
249
250	# AC_ENABLE_SHARED - implement the --enable-shared flag
251	# Usage: AC_ENABLE_SHARED[(DEFAULT)]
252	# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
253	# `yes'.
254	AC_DEFUN(AC_ENABLE_SHARED, [dnl
255	define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
256	AC_ARG_ENABLE(shared,
257	changequote(<<, >>)dnl
258	<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
259	changequote([, ])dnl
260	[p=${PACKAGE-default}
261	case "$enableval" in
262	yes) enable_shared=yes ;;
263	no) enable_shared=no ;;
264	*)
265	enable_shared=no
266	# Look at the argument we got. We use all the common list separators.
267	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
268	for pkg in $enableval; do
269	if test "X$pkg" = "X$p"; then
270	enable_shared=yes
271	fi
272	done
273	IFS="$ac_save_ifs"
274	;;
275	esac],
276	enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
277	])
278
279	# AC_DISABLE_SHARED - set the default shared flag to --disable-shared
280	AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
281	AC_ENABLE_SHARED(no)])
282
283	# AC_ENABLE_STATIC - implement the --enable-static flag
284	# Usage: AC_ENABLE_STATIC[(DEFAULT)]
285	# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
286	# `yes'.
287	AC_DEFUN(AC_ENABLE_STATIC, [dnl
288	define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
289	AC_ARG_ENABLE(static,
290	changequote(<<, >>)dnl
291	<< --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
292	changequote([, ])dnl
293	[p=${PACKAGE-default}
294	case "$enableval" in
295	yes) enable_static=yes ;;
296	no) enable_static=no ;;
297	*)
298	enable_static=no
299	# Look at the argument we got. We use all the common list separators.
300	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
301	for pkg in $enableval; do
302	if test "X$pkg" = "X$p"; then
303	enable_static=yes
304	fi
305	done
306	IFS="$ac_save_ifs"
307	;;
308	esac],
309	enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
310	])
311
312	# AC_DISABLE_STATIC - set the default static flag to --disable-static
313	AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
314	AC_ENABLE_STATIC(no)])
315
316
317	# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
318	# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
319	# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
320	# `yes'.
321	AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
322	define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
323	AC_ARG_ENABLE(fast-install,
324	changequote(<<, >>)dnl
325	<< --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
326	changequote([, ])dnl
327	[p=${PACKAGE-default}
328	case "$enableval" in
329	yes) enable_fast_install=yes ;;
330	no) enable_fast_install=no ;;
331	*)
332	enable_fast_install=no
333	# Look at the argument we got. We use all the common list separators.
334	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
335	for pkg in $enableval; do
336	if test "X$pkg" = "X$p"; then
337	enable_fast_install=yes
338	fi
339	done
340	IFS="$ac_save_ifs"
341	;;
342	esac],
343	enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
344	])
345
346	# AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
347	AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
348	AC_ENABLE_FAST_INSTALL(no)])
349
350	# AC_PROG_LD - find the path to the GNU or non-GNU linker
351	AC_DEFUN(AC_PROG_LD,
352	[AC_ARG_WITH(gnu-ld,
353	[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
354	test "$withval" = no \|\| with_gnu_ld=yes, with_gnu_ld=no)
355	AC_REQUIRE([AC_PROG_CC])dnl
356	AC_REQUIRE([AC_CANONICAL_HOST])dnl
357	AC_REQUIRE([AC_CANONICAL_BUILD])dnl
358	ac_prog=ld
359	if test "$ac_cv_prog_gcc" = yes; then
360	# Check if gcc -print-prog-name=ld gives a path.
361	AC_MSG_CHECKING([for ld used by GCC])
362	ac_prog=`($CC -print-prog-name=ld) 2>&5`
363	case "$ac_prog" in
364	# Accept absolute paths.
365	changequote(,)dnl
366	[\\/]* \| [A-Za-z]:[\\/]*)
367	re_direlt='/[^/][^/]*/\.\./'
368	changequote([,])dnl
369	# Canonicalize the path of ld
370	ac_prog=`echo $ac_prog\| sed 's%\\\\%/%g'`
371	while echo $ac_prog \| grep "$re_direlt" > /dev/null 2>&1; do
372	ac_prog=`echo $ac_prog\| sed "s%$re_direlt%/%"`
373	done
374	test -z "$LD" && LD="$ac_prog"
375	;;
376	"")
377	# If it fails, then pretend we aren't using GCC.
378	ac_prog=ld
379	;;
380	*)
381	# If it is relative, then search for the first ld in PATH.
382	with_gnu_ld=unknown
383	;;
384	esac
385	elif test "$with_gnu_ld" = yes; then
386	AC_MSG_CHECKING([for GNU ld])
387	else
388	AC_MSG_CHECKING([for non-GNU ld])
389	fi
390	AC_CACHE_VAL(ac_cv_path_LD,
391	[if test -z "$LD"; then
392	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
393	for ac_dir in $PATH; do
394	test -z "$ac_dir" && ac_dir=.
395	if test -f "$ac_dir/$ac_prog" \|\| test -f "$ac_dir/$ac_prog$ac_exeext"; then
396	ac_cv_path_LD="$ac_dir/$ac_prog"
397	# Check to see if the program is GNU ld. I'd rather use --version,
398	# but apparently some GNU ld's only accept -v.
399	# Break only if it was the GNU/non-GNU ld that we prefer.
400	if "$ac_cv_path_LD" -v 2>&1 < /dev/null \| egrep '(GNU\|with BFD)' > /dev/null; then
401	test "$with_gnu_ld" != no && break
402	else
403	test "$with_gnu_ld" != yes && break
404	fi
405	fi
406	done
407	IFS="$ac_save_ifs"
408	else
409	ac_cv_path_LD="$LD" # Let the user override the test with a path.
410	fi])
411	LD="$ac_cv_path_LD"
412	if test -n "$LD"; then
413	AC_MSG_RESULT($LD)
414	else
415	AC_MSG_RESULT(no)
416	fi
417	test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
418	AC_PROG_LD_GNU
419	])
420
421	AC_DEFUN(AC_PROG_LD_GNU,
422	[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
423	[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
424	if $LD -v 2>&1 </dev/null \| egrep '(GNU\|with BFD)' 1>&5; then
425	ac_cv_prog_gnu_ld=yes
426	else
427	ac_cv_prog_gnu_ld=no
428	fi])
429	])
430
431	# AC_PROG_NM - find the path to a BSD-compatible name lister
432	AC_DEFUN(AC_PROG_NM,
433	[AC_MSG_CHECKING([for BSD-compatible nm])
434	AC_CACHE_VAL(ac_cv_path_NM,
435	[if test -n "$NM"; then
436	# Let the user override the test.
437	ac_cv_path_NM="$NM"
438	else
439	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
440	for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
441	test -z "$ac_dir" && ac_dir=.
442	if test -f $ac_dir/nm \|\| test -f $ac_dir/nm$ac_exeext ; then
443	# Check to see if the nm accepts a BSD-compat flag.
444	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
445	# nm: unknown option "B" ignored
446	if ($ac_dir/nm -B /dev/null 2>&1 \| sed '1q'; exit 0) \| egrep /dev/null >/dev/null; then
447	ac_cv_path_NM="$ac_dir/nm -B"
448	break
449	elif ($ac_dir/nm -p /dev/null 2>&1 \| sed '1q'; exit 0) \| egrep /dev/null >/dev/null; then
450	ac_cv_path_NM="$ac_dir/nm -p"
451	break
452	else
453	ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
454	continue # so that we can try to find one that supports BSD flags
455	fi
456	fi
457	done
458	IFS="$ac_save_ifs"
459	test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
460	fi])
461	NM="$ac_cv_path_NM"
462	AC_MSG_RESULT([$NM])
463	])
464
465	# AC_CHECK_LIBM - check for math library
466	AC_DEFUN(AC_CHECK_LIBM,
467	[AC_REQUIRE([AC_CANONICAL_HOST])dnl
468	LIBM=
469	case "$lt_target" in
470	--beos* \| --cygwin*)
471	# These system don't have libm
472	;;
473	-ncr-sysv4.3)
474	AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
475	AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
476	;;
477	*)
478	AC_CHECK_LIB(m, main, LIBM="-lm")
479	;;
480	esac
481	])
482
483	# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
484	# the libltdl convenience library and INCLTDL to the include flags for
485	# the libltdl header and adds --enable-ltdl-convenience to the
486	# configure arguments. Note that LIBLTDL and INCLTDL are not
487	# AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not
488	# provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed
489	# with '${top_builddir}/' and INCLTDL will be prefixed with
490	# '${top_srcdir}/' (note the single quotes!). If your package is not
491	# flat and you're not using automake, define top_builddir and
492	# top_srcdir appropriately in the Makefiles.
493	AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
494	case "$enable_ltdl_convenience" in
495	no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
496	"") enable_ltdl_convenience=yes
497	ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
498	esac
499	LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
500	INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
501	])
502
503	# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
504	# the libltdl installable library and INCLTDL to the include flags for
505	# the libltdl header and adds --enable-ltdl-install to the configure
506	# arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
507	# AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed
508	# libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will
509	# be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
510	# with '${top_srcdir}/' (note the single quotes!). If your package is
511	# not flat and you're not using automake, define top_builddir and
512	# top_srcdir appropriately in the Makefiles.
513	# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
514	AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
515	AC_CHECK_LIB(ltdl, main,
516	[test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
517	[if test x"$enable_ltdl_install" = xno; then
518	AC_MSG_WARN([libltdl not installed, but installation disabled])
519	else
520	enable_ltdl_install=yes
521	fi
522	])
523	if test x"$enable_ltdl_install" = x"yes"; then
524	ac_configure_args="$ac_configure_args --enable-ltdl-install"
525	LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
526	INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
527	else
528	ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
529	LIBLTDL="-lltdl"
530	INCLTDL=
531	fi
532	])
533
534	dnl old names
535	AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
536	AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
537	AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
538	AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
539	AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
540	AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
541	AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
542
543	dnl This is just to silence aclocal about the macro not being used
544	ifelse([AC_DISABLE_FAST_INSTALL])dnl
545
546	# Macro to add for using GNU gettext.
547	# Ulrich Drepper <drepper@cygnus.com>, 1995.
548	#
549	# This file can be copied and used freely without restrictions. It can
550	# be used in projects which are not available under the GNU Public License
551	# but which still want to provide support for the GNU gettext functionality.
552	# Please note that the actual code is not freely available.
553
554	# serial 5
555
556	AC_DEFUN(AM_WITH_NLS,
557	[AC_MSG_CHECKING([whether NLS is requested])
558	dnl Default is enabled NLS
559	AC_ARG_ENABLE(nls,
560	[ --disable-nls do not use Native Language Support],
561	USE_NLS=$enableval, USE_NLS=yes)
562	AC_MSG_RESULT($USE_NLS)
563	AC_SUBST(USE_NLS)
564
565	USE_INCLUDED_LIBINTL=no
566
567	dnl If we use NLS figure out what method
568	if test "$USE_NLS" = "yes"; then
569	AC_DEFINE(ENABLE_NLS)
570	AC_MSG_CHECKING([whether included gettext is requested])
571	AC_ARG_WITH(included-gettext,
572	[ --with-included-gettext use the GNU gettext library included here],
573	nls_cv_force_use_gnu_gettext=$withval,
574	nls_cv_force_use_gnu_gettext=no)
575	AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
576
577	nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
578	if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
579	dnl User does not insist on using GNU NLS library. Figure out what
580	dnl to use. If gettext or catgets are available (in this order) we
581	dnl use this. Else we have to fall back to GNU NLS library.
582	dnl catgets is only used if permitted by option --with-catgets.
583	nls_cv_header_intl=
584	nls_cv_header_libgt=
585	CATOBJEXT=NONE
586
587	AC_CHECK_HEADER(libintl.h,
588	[AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc,
589	[AC_TRY_LINK([#include <libintl.h>], [return (int) gettext ("")],
590	gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)])
591
592	if test "$gt_cv_func_gettext_libc" != "yes"; then
593	AC_CHECK_LIB(intl, bindtextdomain,
594	[AC_CACHE_CHECK([for gettext in libintl],
595	gt_cv_func_gettext_libintl,
596	[AC_CHECK_LIB(intl, gettext,
597	gt_cv_func_gettext_libintl=yes,
598	gt_cv_func_gettext_libintl=no)],
599	gt_cv_func_gettext_libintl=no)])
600	fi
601
602	if test "$gt_cv_func_gettext_libc" = "yes" \
603	\|\| test "$gt_cv_func_gettext_libintl" = "yes"; then
604	AC_DEFINE(HAVE_GETTEXT)
605	AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
606	[test -z "`$ac_dir/$ac_word -h 2>&1 \| grep 'dv '`"], no)dnl
607	if test "$MSGFMT" != "no"; then
608	AC_CHECK_FUNCS(dcgettext)
609	AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
610	AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
611	[test -z "`$ac_dir/$ac_word -h 2>&1 \| grep '(HELP)'`"], :)
612	AC_TRY_LINK(, [extern int _nl_msg_cat_cntr;
613	return _nl_msg_cat_cntr],
614	[CATOBJEXT=.gmo
615	DATADIRNAME=share],
616	[CATOBJEXT=.mo
617	DATADIRNAME=lib])
618	INSTOBJEXT=.mo
619	fi
620	fi
621	])
622
623	if test "$CATOBJEXT" = "NONE"; then
624	AC_MSG_CHECKING([whether catgets can be used])
625	AC_ARG_WITH(catgets,
626	[ --with-catgets use catgets functions if available],
627	nls_cv_use_catgets=$withval, nls_cv_use_catgets=no)
628	AC_MSG_RESULT($nls_cv_use_catgets)
629
630	if test "$nls_cv_use_catgets" = "yes"; then
631	dnl No gettext in C library. Try catgets next.
632	AC_CHECK_LIB(i, main)
633	AC_CHECK_FUNC(catgets,
634	[AC_DEFINE(HAVE_CATGETS)
635	INTLOBJS="\$(CATOBJS)"
636	AC_PATH_PROG(GENCAT, gencat, no)dnl
637	if test "$GENCAT" != "no"; then
638	AC_PATH_PROG(GMSGFMT, gmsgfmt, no)
639	if test "$GMSGFMT" = "no"; then
640	AM_PATH_PROG_WITH_TEST(GMSGFMT, msgfmt,
641	[test -z "`$ac_dir/$ac_word -h 2>&1 \| grep 'dv '`"], no)
642	fi
643	AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
644	[test -z "`$ac_dir/$ac_word -h 2>&1 \| grep '(HELP)'`"], :)
645	USE_INCLUDED_LIBINTL=yes
646	CATOBJEXT=.cat
647	INSTOBJEXT=.cat
648	DATADIRNAME=lib
649	INTLDEPS='$(top_builddir)/intl/libintl.a'
650	INTLLIBS=$INTLDEPS
651	LIBS=`echo $LIBS \| sed -e 's/-lintl//'`
652	nls_cv_header_intl=intl/libintl.h
653	nls_cv_header_libgt=intl/libgettext.h
654	fi])
655	fi
656	fi
657
658	if test "$CATOBJEXT" = "NONE"; then
659	dnl Neither gettext nor catgets in included in the C library.
660	dnl Fall back on GNU gettext library.
661	nls_cv_use_gnu_gettext=yes
662	fi
663	fi
664
665	if test "$nls_cv_use_gnu_gettext" = "yes"; then
666	dnl Mark actions used to generate GNU NLS library.
667	INTLOBJS="\$(GETTOBJS)"
668	AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
669	[test -z "`$ac_dir/$ac_word -h 2>&1 \| grep 'dv '`"], msgfmt)
670	AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
671	AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
672	[test -z "`$ac_dir/$ac_word -h 2>&1 \| grep '(HELP)'`"], :)
673	AC_SUBST(MSGFMT)
674	USE_INCLUDED_LIBINTL=yes
675	CATOBJEXT=.gmo
676	INSTOBJEXT=.mo
677	DATADIRNAME=share
678	INTLDEPS='$(top_builddir)/intl/libintl.a'
679	INTLLIBS=$INTLDEPS
680	LIBS=`echo $LIBS \| sed -e 's/-lintl//'`
681	nls_cv_header_intl=intl/libintl.h
682	nls_cv_header_libgt=intl/libgettext.h
683	fi
684
685	dnl Test whether we really found GNU xgettext.
686	if test "$XGETTEXT" != ":"; then
687	dnl If it is no GNU xgettext we define it as : so that the
688	dnl Makefiles still can work.
689	if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
690	: ;
691	else
692	AC_MSG_RESULT(
693	[found xgettext program is not GNU xgettext; ignore it])
694	XGETTEXT=":"
695	fi
696	fi
697
698	# We need to process the po/ directory.
699	POSUB=po
700	else
701	DATADIRNAME=share
702	nls_cv_header_intl=intl/libintl.h
703	nls_cv_header_libgt=intl/libgettext.h
704	fi
705	AC_LINK_FILES($nls_cv_header_libgt, $nls_cv_header_intl)
706	AC_OUTPUT_COMMANDS(
707	[case "$CONFIG_FILES" in po/Makefile.in)
708	sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile
709	esac])
710
711
712	# If this is used in GNU gettext we have to set USE_NLS to `yes'
713	# because some of the sources are only built for this goal.
714	if test "$PACKAGE" = gettext; then
715	USE_NLS=yes
716	USE_INCLUDED_LIBINTL=yes
717	fi
718
719	dnl These rules are solely for the distribution goal. While doing this
720	dnl we only have to keep exactly one list of the available catalogs
721	dnl in configure.in.
722	for lang in $ALL_LINGUAS; do
723	GMOFILES="$GMOFILES $lang.gmo"
724	POFILES="$POFILES $lang.po"
725	done
726
727	dnl Make all variables we use known to autoconf.
728	AC_SUBST(USE_INCLUDED_LIBINTL)
729	AC_SUBST(CATALOGS)
730	AC_SUBST(CATOBJEXT)
731	AC_SUBST(DATADIRNAME)
732	AC_SUBST(GMOFILES)
733	AC_SUBST(INSTOBJEXT)
734	AC_SUBST(INTLDEPS)
735	AC_SUBST(INTLLIBS)
736	AC_SUBST(INTLOBJS)
737	AC_SUBST(POFILES)
738	AC_SUBST(POSUB)
739	])
740
741	AC_DEFUN(AM_GNU_GETTEXT,
742	[AC_REQUIRE([AC_PROG_MAKE_SET])dnl
743	AC_REQUIRE([AC_PROG_CC])dnl
744	AC_REQUIRE([AC_PROG_RANLIB])dnl
745	AC_REQUIRE([AC_ISC_POSIX])dnl
746	AC_REQUIRE([AC_HEADER_STDC])dnl
747	AC_REQUIRE([AC_C_CONST])dnl
748	AC_REQUIRE([AC_C_INLINE])dnl
749	AC_REQUIRE([AC_TYPE_OFF_T])dnl
750	AC_REQUIRE([AC_TYPE_SIZE_T])dnl
751	AC_REQUIRE([AC_FUNC_ALLOCA])dnl
752	AC_REQUIRE([AC_FUNC_MMAP])dnl
753
754	AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \
755	unistd.h sys/param.h])
756	AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \
757	strdup __argz_count __argz_stringify __argz_next])
758
759	if test "${ac_cv_func_stpcpy+set}" != "set"; then
760	AC_CHECK_FUNCS(stpcpy)
761	fi
762	if test "${ac_cv_func_stpcpy}" = "yes"; then
763	AC_DEFINE(HAVE_STPCPY)
764	fi
765
766	AM_LC_MESSAGES
767	AM_WITH_NLS
768
769	if test "x$CATOBJEXT" != "x"; then
770	if test "x$ALL_LINGUAS" = "x"; then
771	LINGUAS=
772	else
773	AC_MSG_CHECKING(for catalogs to be installed)
774	NEW_LINGUAS=
775	for lang in ${LINGUAS=$ALL_LINGUAS}; do
776	case "$ALL_LINGUAS" in
777	$lang) NEW_LINGUAS="$NEW_LINGUAS $lang" ;;
778	esac
779	done
780	LINGUAS=$NEW_LINGUAS
781	AC_MSG_RESULT($LINGUAS)
782	fi
783
784	dnl Construct list of names of catalog files to be constructed.
785	if test -n "$LINGUAS"; then
786	for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
787	fi
788	fi
789
790	dnl The reference to <locale.h> in the installed <libintl.h> file
791	dnl must be resolved because we cannot expect the users of this
792	dnl to define HAVE_LOCALE_H.
793	if test $ac_cv_header_locale_h = yes; then
794	INCLUDE_LOCALE_H="#include <locale.h>"
795	else
796	INCLUDE_LOCALE_H="\
797	/* The system does not provide the header <locale.h>. Take care yourself. */"
798	fi
799	AC_SUBST(INCLUDE_LOCALE_H)
800
801	dnl Determine which catalog format we have (if any is needed)
802	dnl For now we know about two different formats:
803	dnl Linux libc-5 and the normal X/Open format
804	test -d intl \|\| mkdir intl
805	if test "$CATOBJEXT" = ".cat"; then
806	AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen)
807
808	dnl Transform the SED scripts while copying because some dumb SEDs
809	dnl cannot handle comments.
810	sed -e '/^#/d' $srcdir/intl/$msgformat-msg.sed > intl/po2msg.sed
811	fi
812	dnl po2tbl.sed is always needed.
813	sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \
814	$srcdir/intl/po2tbl.sed.in > intl/po2tbl.sed
815
816	dnl In the intl/Makefile.in we have a special dependency which makes
817	dnl only sense for gettext. We comment this out for non-gettext
818	dnl packages.
819	if test "$PACKAGE" = "gettext"; then
820	GT_NO="#NO#"
821	GT_YES=
822	else
823	GT_NO=
824	GT_YES="#YES#"
825	fi
826	AC_SUBST(GT_NO)
827	AC_SUBST(GT_YES)
828
829	dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
830	dnl find the mkinstalldirs script in another subdir but ($top_srcdir).
831	dnl Try to locate is.
832	MKINSTALLDIRS=
833	if test -n "$ac_aux_dir"; then
834	MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
835	fi
836	if test -z "$MKINSTALLDIRS"; then
837	MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
838	fi
839	AC_SUBST(MKINSTALLDIRS)
840
841	dnl *** For now the libtool support in intl/Makefile is not for real.
842	l=
843	AC_SUBST(l)
844
845	dnl Generate list of files to be processed by xgettext which will
846	dnl be included in po/Makefile.
847	test -d po \|\| mkdir po
848	if test "x$srcdir" != "x."; then
849	if test "x`echo $srcdir \| sed 's@/.*@@'`" = "x"; then
850	posrcprefix="$srcdir/"
851	else
852	posrcprefix="../$srcdir/"
853	fi
854	else
855	posrcprefix="../"
856	fi
857	rm -f po/POTFILES
858	sed -e "/^#/d" -e "/^\$/d" -e "s,., $posrcprefix& \\\\," -e "\$s/\(.\) \\\\/\1/" \
859	< $srcdir/po/POTFILES.in > po/POTFILES
860	])
861
862	# Search path for a program which passes the given test.
863	# Ulrich Drepper <drepper@cygnus.com>, 1996.
864	#
865	# This file can be copied and used freely without restrictions. It can
866	# be used in projects which are not available under the GNU Public License
867	# but which still want to provide support for the GNU gettext functionality.
868	# Please note that the actual code is not freely available.
869
870	# serial 1
871
872	dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
873	dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
874	AC_DEFUN(AM_PATH_PROG_WITH_TEST,
875	[# Extract the first word of "$2", so it can be a program name with args.
876	set dummy $2; ac_word=[$]2
877	AC_MSG_CHECKING([for $ac_word])
878	AC_CACHE_VAL(ac_cv_path_$1,
879	[case "[$]$1" in
880	/*)
881	ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
882	;;
883	*)
884	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
885	for ac_dir in ifelse([$5], , $PATH, [$5]); do
886	test -z "$ac_dir" && ac_dir=.
887	if test -f $ac_dir/$ac_word; then
888	if [$3]; then
889	ac_cv_path_$1="$ac_dir/$ac_word"
890	break
891	fi
892	fi
893	done
894	IFS="$ac_save_ifs"
895	dnl If no 4th arg is given, leave the cache variable unset,
896	dnl so AC_PATH_PROGS will keep looking.
897	ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
898	])dnl
899	;;
900	esac])dnl
901	$1="$ac_cv_path_$1"
902	if test -n "[$]$1"; then
903	AC_MSG_RESULT([$]$1)
904	else
905	AC_MSG_RESULT(no)
906	fi
907	AC_SUBST($1)dnl
908	])
909
910	# Check whether LC_MESSAGES is available in <locale.h>.
911	# Ulrich Drepper <drepper@cygnus.com>, 1995.
912	#
913	# This file can be copied and used freely without restrictions. It can
914	# be used in projects which are not available under the GNU Public License
915	# but which still want to provide support for the GNU gettext functionality.
916	# Please note that the actual code is not freely available.
917
918	# serial 1
919
920	AC_DEFUN(AM_LC_MESSAGES,
921	[if test $ac_cv_header_locale_h = yes; then
922	AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
923	[AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
924	am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
925	if test $am_cv_val_LC_MESSAGES = yes; then
926	AC_DEFINE(HAVE_LC_MESSAGES)
927	fi
928	fi])
929

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