aclocal.m4

Revision 5878, 221.2 kB (checked in by aamici, 4 years ago)
sync with libtool 1.5.2 move gdal code at the top of the file (and add warnings on keeping it there)
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`

Line
1	dnl ---------------------------------------------------------------------------
2	dnl Try to establish a 64 bit integer type.
3	dnl ---------------------------------------------------------------------------
4
5	AC_DEFUN(AC_HAVE_LONG_LONG,
6	[
7	AC_MSG_CHECKING([for 64bit integer type])
8
9	echo 'int main() { long long off=0; }' >> conftest.c
10	if test -z "`${CC} -o conftest conftest.c 2>&1`" ; then
11	AC_DEFINE(HAVE_LONG_LONG, 1, [Define to 1, if your compiler supports long long data type])
12	AC_MSG_RESULT([long long])
13	else
14	AC_MSG_RESULT([no])
15	fi
16	rm -f conftest*
17	])
18
19	# AC_LANG_FUNC_LINK_TRY_CUSTOM(C++)(FUNCTION,INCLUDE,CODE)
20	# ----------------------------------
21	m4_define([AC_LANG_FUNC_LINK_TRY_CUSTOM],
22	[AC_LANG_PROGRAM(
23	[
24	#include <assert.h>
25	$2
26	void test_f()
27	{
28	$3
29	}
30	])])
31
32	# -----------------------------------------------------------------
33	# AC_CHECK_FUNC_CUSTOM(FUNCTION, [INCLUDE], [CODE],
34	# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
35	# -----------------------------------------------------------------
36	# This function is primariliy added to facilite testing that
37	# function prototypes are properly found such that functions can
38	# be compiled properly in C++. In particular, we want to include
39	# the real include file, not internal define prototypes.
40	#
41	# eg.
42	# AC_LANG_PUSH(C++)
43	# AC_CHECK_FUNC_CUSTOM(gmtime_r,[#include <time.h>],[time_t t; struct tm ltime; t = time(0); gmtime_r( &t, &ltime );])
44	# AC_LANG_POP(C++)
45	# -----------------------------------------------------------------
46	AC_DEFUN([AC_CHECK_FUNC_CUSTOM],
47	[AS_VAR_PUSHDEF([ac_var], [ac_cv_func_$1])dnl
48	AC_CACHE_CHECK([for $1], ac_var,
49	[AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY_CUSTOM([$1],[$2],[$3])],
50	[AS_VAR_SET(ac_var, yes)],
51	[AS_VAR_SET(ac_var, no)])])
52	AS_IF([test AS_VAR_GET(ac_var) = yes], [$4], [$5])dnl
53	AS_VAR_POPDEF([ac_var])dnl
54	dnl AC_MSG_RESULT([AC_LANG_FUNC_LINK_TRY_CUSTOM([$1],[$2],[$3])])
55	dnl exit
56	])# AC_CHECK_FUNC
57
58
59	dnl ---------------------------------------------------------------------------
60	dnl Check for Unix 64 bit STDIO API (fseek64, ftell64 like on IRIX).
61	dnl ---------------------------------------------------------------------------
62
63	AC_DEFUN(AC_UNIX_STDIO_64,
64	[
65	AC_ARG_WITH(unix_stdio_64,[ --with-unix-stdio-64[=ARG] Utilize 64 stdio api (yes/no)],,)
66
67	AC_MSG_CHECKING([for 64bit file io])
68
69	if test "$with_unix_stdio_64" = "yes" ; then
70	VSI_FTELL64=ftell64
71	VSI_FSEEK64=fseek64
72	fi
73
74	if test "$with_unix_stdio_64" = "" ; then
75	echo '#include <stdio.h>' > conftest.cpp
76	echo 'int main() { long long off=0; fseek64(NULL, SEEK_SET, off); off = ftell64(NULL); return 0; }' >> conftest.c
77	if test -z "`${CC} -o conftest conftest.c 2>&1`" ; then
78	with_unix_stdio_64=yes
79	VSI_FTELL64=ftell64
80	VSI_FSEEK64=fseek64
81	fi
82	rm -f conftest*
83	fi
84
85	dnl I use CXX in this one, to ensure that the prototypes are available.
86	dnl these functions seem to exist on Linux, but aren't normally defined
87	dnl by stdio.h. With CXX (C++) this becomes a fatal error.
88
89	if test "$with_unix_stdio_64" = "" ; then
90	echo '#include <stdio.h>' > conftest.c
91	echo 'int main() { long long off=0; fseeko64(NULL, SEEK_SET, off); off = ftello64(NULL); return 0; }' >> conftest.c
92	if test -z "`${CXX} -o conftest conftest.c 2>&1`" ; then
93	with_unix_stdio_64=yes
94	VSI_FTELL64=ftello64
95	VSI_FSEEK64=fseeko64
96	fi
97	rm -f conftest*
98	fi
99
100	dnl This is much like the first test, but we predefine _LARGEFILE64_SOURCE
101	dnl before including stdio.h. This should work on Linux 2.4 series systems.
102
103	if test "$with_unix_stdio_64" = "" ; then
104	echo '#define _LARGEFILE64_SOURCE' > conftest.c
105	echo '#include <stdio.h>' >> conftest.c
106	echo 'int main() { long long off=0; fseeko64(NULL, SEEK_SET, off); off = ftello64(NULL); return 0; }' >> conftest.c
107	if test -z "`${CXX} -o conftest conftest.c 2>&1`" ; then
108	with_unix_stdio_64=yes
109	VSI_FTELL64=ftello64
110	VSI_FSEEK64=fseeko64
111	AC_DEFINE(VSI_NEED_LARGEFILE64_SOURCE, 1, [Define to 1, if you have
112	LARGEFILE64_SOURCE])
113	fi
114	rm -f conftest*
115	fi
116
117	if test "$with_unix_stdio_64" = "yes" ; then
118	AC_MSG_RESULT([yes])
119
120	AC_DEFINE(UNIX_STDIO_64, 1, [Define to 1 if you have fseek64, ftell64])
121	AC_DEFINE(VSI_LARGE_API_SUPPORTED, 1, [Define to 1, if you have 64 bit
122	STDIO API])
123
124	export VSI_FTELL64 VSI_FSEEK64
125	AC_DEFINE_UNQUOTED(VSI_FTELL64,$VSI_FTELL64, [Define to 1, if you have
126	ftell64])
127	AC_DEFINE_UNQUOTED(VSI_FSEEK64,$VSI_FSEEK64, [Define to 1, if you have
128	fseek64])
129	else
130	AC_MSG_RESULT([no])
131	fi
132
133	])
134
135	AC_DEFUN(AC_COMPILER_LOCALHACK,
136	[
137	AC_MSG_CHECKING([if local/include already standard])
138
139	rm -f comp.out
140	echo 'int main() { int i = 1; if( ((unsigned char ) &i) == 0 ) printf( "BIGENDIAN"); return 0; }' >> conftest.c
141	${CC} $CPPFLAGS $EXTRA_INCLUDES -o conftest conftest.c 2> comp.out
142	COMP_CHECK=`grep "system directory" comp.out \| grep /usr/local/include`
143	if test -z "$COMP_CHECK" ; then
144	AC_MSG_RESULT([no, everything is ok])
145	else
146	AC_MSG_RESULT([yes, stripping extras])
147	CXXFLAGS=`echo "$CXXFLAGS " \| sed "s/-I\/usr\/local\/include //"`
148	CFLAGS=`echo "$CFLAGS " \| sed "s/-I\/usr\/local\/include //"`
149	EXTRA_INCLUDES=`echo "$EXTRA_INCLUDES " \| sed "s/-I\/usr\/local\/include //"`
150	fi
151	rm -f comp.out
152	])
153
154	AC_DEFUN(AC_COMPILER_WFLAGS,
155	[
156	# Remove -g from compile flags, we will add via CFG variable if
157	# we need it.
158	CXXFLAGS=`echo "$CXXFLAGS " \| sed "s/-g //"`
159	CFLAGS=`echo "$CFLAGS " \| sed "s/-g //"`
160
161	# check for GNU compiler, and use -Wall
162	if test "$GCC" = "yes"; then
163	C_WFLAGS="-Wall"
164	AC_DEFINE(USE_GNUCC, 1, [Define to 1, if you have GNU C
165	compiler])
166	fi
167	if test "$GXX" = "yes"; then
168	CXX_WFLAGS="-Wall"
169	AC_DEFINE(USE_GNUCC, 1, [Define to 1, if you have GNU C
170	compiler])
171	fi
172	AC_SUBST(CXX_WFLAGS,$CXX_WFLAGS)
173	AC_SUBST(C_WFLAGS,$C_WFLAGS)
174	])
175
176	AC_DEFUN(AC_COMPILER_PIC,
177	[
178	echo 'void f(){}' > conftest.c
179	if test -z "`${CC-cc} -fPIC -c conftest.c 2>&1`"; then
180	C_PIC=-fPIC
181	else
182	C_PIC=
183	fi
184	if test -z "`${CXX-g++} -fPIC -c conftest.c 2>&1`"; then
185	CXX_PIC=-fPIC
186	else
187	CXX_PIC=
188	fi
189	rm -f conftest*
190
191	AC_SUBST(CXX_PIC,$CXX_PIC)
192	AC_SUBST(C_PIC,$C_PIC)
193	])
194
195	dnl
196	dnl Look for OGDI, and verify that we can link and run.
197	dnl
198	AC_DEFUN(AC_TRY_OGDI,
199	[
200	saved_LIBS="$LIBS"
201	OGDI_LIBS=" -logdi -lzlib"
202	LIBS="$saved_LIBS $OGDI_LIBS"
203	AC_TRY_LINK(,[ void *cln_CreateClient(); cln_CreateClient(); ],
204	HAVE_OGDI=yes, HAVE_OGDI=no)
205
206	if test "$HAVE_OGDI" = "no" ; then
207	OGDI_LIBS="-L$TOPDIR/bin/$TARGET -logdi -lzlib"
208	LIBS="$saved_LIBS $OGDI_LIBS"
209	AC_TRY_LINK(,[ void *cln_CreateClient(); cln_CreateClient(); ],
210	HAVE_OGDI=yes, HAVE_OGDI=no)
211	fi
212
213	if test "$HAVE_OGDI" = "yes" ; then
214	AC_CHECK_HEADER(ecs.h,have_ecs_h=yes,have_ecs_h=no)
215
216	if test "$have_ecs_h" = "no"; then
217	if test -f "$TOPDIR/ogdi/include/ecs.h" ; then
218	echo "Found ecs.h in $TOPDIR/include"
219	OGDI_INCLUDE="-I$TOPDIR/ogdi/include -I$TOPDIR/proj"
220	else
221	HAVE_OGDI=no
222	fi
223	fi
224	fi
225
226	if test "$HAVE_OGDI" = "no" ; then
227	OGDI_LIBS=""
228	OGDI_INCLUDE=""
229	echo "checking for OGDI ... no"
230	else
231	echo "checking for OGDI ... yes"
232	fi
233
234	AC_SUBST(HAVE_OGDI,$HAVE_OGDI)
235	AC_SUBST(OGDI_INCLUDE,$OGDI_INCLUDE)
236	AC_SUBST(OGDI_LIBS,$OGDI_LIBS)
237
238	LIBS="$saved_LIBS"
239	])
240
241	dnl
242	dnl Try to find something to link shared libraries with. Use "c++ -shared"
243	dnl in preference to "ld -shared" because it will link in required c++
244	dnl run time support for us.
245	dnl
246	AC_DEFUN(AC_LD_SHARED,
247	[
248	echo 'void g(); int main(){ g(); return 0; }' > conftest1.c
249
250	echo '#include <stdio.h>' > conftest2.c
251	echo 'void g(); void g(){printf("");}' >> conftest2.c
252	${CC} ${C_PIC} -c conftest2.c
253
254	SO_EXT="so"
255	export SO_EXT
256	LD_SHARED="/bin/true"
257	if test ! -z "`uname -a \| grep IRIX`" ; then
258	IRIX_ALL=-all
259	else
260	IRIX_ALL=
261	fi
262
263	AC_ARG_WITH(ld-shared,[ --without-ld-shared Disable shared library support],,)
264
265	if test "$with_ld_shared" != "" ; then
266	if test "$with_ld_shared" = "no" ; then
267	echo "user disabled shared library support."
268	else
269	echo "using user supplied .so link command ... $with_ld_shared"
270	fi
271	LD_SHARED="$with_ld_shared"
272	fi
273
274	dnl Check For Cygwin case. Actually verify that the produced DLL works.
275
276	if test ! -z "`uname -a \| grep CYGWIN`" \
277	-a "$LD_SHARED" = "/bin/true" \
278	-a -z "`gcc -shared conftest2.o -o libconftest.dll`" ; then
279	if test -z "`${CC} conftest1.c -L./ -lconftest -o conftest1 2>&1`"; then
280	LD_LIBRARY_PATH_OLD="$LD_LIBRARY_PATH"
281	if test -z "$LD_LIBRARY_PATH" ; then
282	LD_LIBRARY_PATH="`pwd`"
283	else
284	LD_LIBRARY_PATH="`pwd`:$LD_LIBRARY_PATH"
285	fi
286	export LD_LIBRARY_PATH
287	if test -z "`./conftest1 2>&1`" ; then
288	echo "checking for Cygwin gcc -shared ... yes"
289	LD_SHARED="c++ -shared"
290	SO_EXT="dll"
291	fi
292	LD_LIBRARY_PATH="$LD_LIBRARY_PATH_OLD"
293	fi
294	fi
295
296	dnl Test special MacOS (Darwin) case.
297
298	if test ! -z "`uname \| grep Darwin`" \
299	-a "$LD_SHARED" = "/bin/true" \
300	-a -z "`${CXX} -dynamiclib conftest2.o -o libconftest.so 2>&1`" ; then
301	${CC} -c conftest1.c
302	if test -z "`${CXX} conftest1.o libconftest.so -o conftest1 2>&1`"; then
303	DYLD_LIBRARY_PATH_OLD="$DYLD_LIBRARY_PATH"
304	if test -z "$DYLD_LIBRARY_PATH" ; then
305	DYLD_LIBRARY_PATH="`pwd`"
306	else
307	DYLD_LIBRARY_PATH="`pwd`:$DYLD_LIBRARY_PATH"
308	fi
309	export DYLD_LIBRARY_PATH
310	if test -z "`./conftest1 2>&1`" ; then
311	echo "checking for ${CXX} -dynamiclib ... yes"
312	LD_SHARED="${CXX} -dynamiclib"
313	SO_EXT=dylib
314	fi
315	DYLD_LIBRARY_PATH="$DYLD_LIBRARY_PATH_OLD"
316	fi
317	rm -f conftest1.o
318	fi
319
320	if test "$LD_SHARED" = "/bin/true" \
321	-a -z "`${CXX} -shared $IRIX_ALL conftest2.o -o libconftest.so 2>&1\|grep -v WARNING`" ; then
322	if test -z "`${CC} conftest1.c libconftest.so -o conftest1 2>&1`"; then
323	LD_LIBRARY_PATH_OLD="$LD_LIBRARY_PATH"
324	if test -z "$LD_LIBRARY_PATH" ; then
325	LD_LIBRARY_PATH="`pwd`"
326	else
327	LD_LIBRARY_PATH="`pwd`:$LD_LIBRARY_PATH"
328	fi
329	export LD_LIBRARY_PATH
330	if test -z "`./conftest1 2>&1`" ; then
331	echo "checking for ${CXX} -shared ... yes"
332	LD_SHARED="${CXX} -shared $IRIX_ALL"
333	else
334	echo "checking for ${CXX} -shared ... no(3)"
335	fi
336	LD_LIBRARY_PATH="$LD_LIBRARY_PATH_OLD"
337	else
338	echo "checking for ${CXX} -shared ... no(2)"
339	fi
340	else
341	if test "$LD_SHARED" = "/bin/true" ; then
342	echo "checking for ${CXX} -shared ... no(1)"
343	fi
344	fi
345
346	if test "$LD_SHARED" = "/bin/true" \
347	-a -z "`ld -shared conftest2.o -o libconftest.so 2>&1`" ; then
348	if test -z "`${CC} conftest1.c libconftest.so -o conftest1 2>&1`"; then
349	LD_LIBRARY_PATH_OLD="$LD_LIBRARY_PATH"
350	if test -z "$LD_LIBRARY_PATH" ; then
351	LD_LIBRARY_PATH="`pwd`"
352	else
353	LD_LIBRARY_PATH="`pwd`:$LD_LIBRARY_PATH"
354	fi
355	export LD_LIBRARY_PATH
356	if test -z "`./conftest1 2>&1`" ; then
357	echo "checking for ld -shared ... yes"
358	LD_SHARED="ld -shared"
359	fi
360	LD_LIBRARY_PATH="$LD_LIBRARY_PATH_OLD"
361	fi
362	fi
363
364	if test "$LD_SHARED" = "/bin/true" ; then
365	echo "checking for ld -shared ... no"
366	if test ! -x /bin/true ; then
367	LD_SHARED=/usr/bin/true
368	fi
369	fi
370	if test "$LD_SHARED" = "no" ; then
371	if test -x /bin/true ; then
372	LD_SHARED=/bin/true
373	else
374	LD_SHARED=/usr/bin/true
375	fi
376	fi
377
378	rm -f conftest* libconftest*
379
380	AC_SUBST(LD_SHARED,$LD_SHARED)
381	AC_SUBST(SO_EXT,$SO_EXT)
382	])
383
384	dnl
385	dnl Find Python.
386	dnl
387
388	AC_DEFUN(AM_PATH_PYTHON,
389	[AC_CHECK_PROGS(PYTHON, python python1.5 python1.4 python1.3,no)
390	if test "$with_python" = no ; then
391	echo "python support disabled"
392	PYTHON=no
393	fi
394	if test "$PYTHON" != no ; then
395	AC_MSG_CHECKING([where python Makefiles are])
396	changequote(,)dnl
397	python_prefix="`$PYTHON -c '
398	import sys
399	print sys.prefix'`"
400	changequote([, ])dnl
401	changequote(,)dnl
402	python_execprefix="`$PYTHON -c '
403	import sys
404	print sys.prefix'`"
405	changequote([, ])dnl
406	changequote(,)dnl
407	python_version="`$PYTHON -c '
408	import sys
409	print sys.version[:3]'`"
410	changequote([, ])dnl
411
412	pythondir=$python_prefix/lib/python${python_version}/site-packages
413	pyexecdir=$python_execprefix/lib/python${python_version}/site-packages
414
415	AC_MSG_RESULT(found)
416
417	dnl Verify that we have the makefile needed later.
418
419	AC_MSG_CHECKING([Python makefile])
420	py_mf=$python_execprefix/lib/python${python_version}/config/Makefile
421	if test -f $py_mf ; then
422	AC_MSG_RESULT(found)
423	else
424	AC_MSG_RESULT([missing, python disabled.])
425	PYTHON=no
426	fi
427	else
428	# these defaults are version independent ...
429	pythondir='$(prefix)/lib/site-python'
430	pyexecdir='$(exec_prefix)/lib/site-python'
431	fi
432
433	AC_ARG_WITH(pymoddir,[ --with-pymoddir=ARG Override Python package install dir],,)
434
435	if test "$PYTHON" != "no" ; then
436	AC_MSG_CHECKING([where .py files should go])
437
438	if test "$with_pymoddir" = "" ; then
439	pymoddir=$pyexecdir
440	else
441	pymoddir=$with_pymoddir
442	fi
443
444	export pymoddir
445	AC_MSG_RESULT($pymoddir)
446	fi
447
448	AC_SUBST(pythondir)
449	AC_SUBST(pyexecdir)
450	AC_SUBST(pymoddir)
451	])
452
453
454	dnl finds information needed for compilation of shared library style python
455	dnl extensions. AM_PATH_PYTHON should be called before hand.
456	dnl NFW: Modified from original to avoid overridding CC, SO and OPT
457
458	AC_DEFUN(AM_INIT_PYEXEC_MOD,
459	[AC_REQUIRE([AM_PATH_PYTHON])
460
461	PYTHON_LIBS=""
462	if test "$PYTHON" != no ; then
463	AC_MSG_CHECKING([for python headers])
464	AC_CACHE_VAL(am_cv_python_includes,
465	[changequote(,)dnl
466	am_cv_python_includes="`$PYTHON -c '
467	import sys
468	includepy = \"%s/include/python%s\" % (sys.prefix, sys.version[:3])
469	if sys.version[0] > \"1\" or sys.version[2] > \"4\":
470	libpl = \"%s/include/python%s\" % (sys.exec_prefix, sys.version[:3])
471	else:
472	libpl = \"%s/lib/python%s/config\" % (sys.exec_prefix, sys.version[:3])
473	print \"-I%s -I%s\" % (includepy, libpl)'`"
474	changequote([, ])])
475	PYTHON_INCLUDES="$am_cv_python_includes"
476	AC_MSG_RESULT(found)
477	AC_SUBST(PYTHON_INCLUDES)
478
479	AC_MSG_CHECKING([definitions from Python makefile])
480	AC_CACHE_VAL(am_cv_python_makefile,
481	[changequote(,)dnl
482	if test ! -z "`uname -a \| grep CYGWIN`" ; then
483	PYTHON_LIBS="`$PYTHON -c '
484	import sys
485	print \"-L%s/lib/python%s/config -lpython%s.dll\" % (sys.prefix, sys.version[:3], sys.version[:3])'`"
486	fi
487	py_makefile="`$PYTHON -c '
488	import sys
489	print \"%s/lib/python%s/config/Makefile\"%(sys.exec_prefix, sys.version[:3])'`"
490	if test ! -f "$py_makefile"; then
491	echo Could not find the python config makefile. Maybe you are;
492	echo missing the development portion of the python installation;
493	exit;
494	fi
495	eval `sed -n \
496	-e "s/^CC=[ ]$.$/am_cv_python_CC='\1'/p" \
497	-e "s/^OPT=[ ]$.$/am_cv_python_OPT='\1'/p" \
498	-e "s/^CCSHARED=[ ]$.$/am_cv_python_CCSHARED='\1'/p" \
499	-e "s/^LDSHARED=[ ]$.$/am_cv_python_LDSHARED='\1'/p" \
500	-e "s/^SO=[ ]$.$/am_cv_python_SO='\1'/p" \
501	$py_makefile`
502	am_cv_python_makefile=found
503	changequote([, ])])
504	AC_MSG_RESULT(done)
505	PYTHON_CC="$am_cv_python_CC"
506	PYTHON_OPT="$am_cv_python_OPT"
507	PYTHON_SO="$am_cv_python_SO"
508	PYTHON_CFLAGS="$am_cv_python_CCSHARED \$(OPT)"
509	PYTHON_LINK="$am_cv_python_LDSHARED -o \[$]@"
510
511	else
512	PYTHON_CC=""
513	PYTHON_OPT=""
514	PYTHON_SO=""
515	PYTHON_CFLAGS=""
516	PYTHON_LINK=""
517	fi
518	AC_SUBST(PYTHON_CC)dnl
519	AC_SUBST(PYTHON_OPT)dnl
520	AC_SUBST(PYTHON_SO)dnl
521	AC_SUBST(PYTHON_CFLAGS)dnl
522	AC_SUBST(PYTHON_LIBS)dnl
523	AC_SUBST(PYTHON_LINK)])
524
525	dnl
526	dnl Check if we have NUMPY include file(s).
527	dnl
528
529	AC_DEFUN(AM_CHECK_NUMPY,
530	[
531	AC_MSG_CHECKING([for NumPy include files])
532	echo '#include "Python.h"' > conftest.c
533	echo '#include "Numeric/arrayobject.h"' >> conftest.c
534	if test -z "`${CC-cc} $PYTHON_INCLUDES -c conftest.c 2>&1`"; then
535	HAVE_NUMPY=yes
536	AC_MSG_RESULT(found)
537	else
538	HAVE_NUMPY=no
539	AC_MSG_RESULT(missing)
540	fi
541	export HAVE_NUMPY
542	rm -f conftest.c
543
544	AC_SUBST(HAVE_NUMPY)
545	if test "$HAVE_NUMPY" = "yes" ; then
546	NUMPY_FLAG=-DHAVE_NUMPY
547	else
548	NUMPY_FLAG=
549	fi
550	export NUMPY_FLAG
551	AC_SUBST(NUMPY_FLAG)])
552
553
554	dnl ---------------------------------------------------------------------------
555	dnl Message output
556	dnl ---------------------------------------------------------------------------
557	AC_DEFUN(LOC_MSG,[
558	echo "$1"
559	])
560
561	AC_DEFUN(LOC_YES_NO,[if test -n "${$1}" ; then echo yes ; else echo no ; fi])
562
563	AC_DEFUN(LOC_MSG_USE,[
564	[echo " $1: ]`LOC_YES_NO($2)`"])
565
566
567
568
569	dnl --------------------------------------------------------------------------
570	dnl DO NOT ADD GDAL-SPECIFIC MACROS BELOW THIS LINE!
571	dnl --------------------------------------------------------------------------
572
573
574	# libtool.m4 - Configure libtool for the host system. --Autoconf--
575	## Copyright 1996, 1997, 1998, 1999, 2000, 2001
576	## Free Software Foundation, Inc.
577	## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
578	##
579	## This program is free software; you can redistribute it and/or modify
580	## it under the terms of the GNU General Public License as published by
581	## the Free Software Foundation; either version 2 of the License, or
582	## (at your option) any later version.
583	##
584	## This program is distributed in the hope that it will be useful, but
585	## WITHOUT ANY WARRANTY; without even the implied warranty of
586	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
587	## General Public License for more details.
588	##
589	## You should have received a copy of the GNU General Public License
590	## along with this program; if not, write to the Free Software
591	## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
592	##
593	## As a special exception to the GNU General Public License, if you
594	## distribute this file as part of a program that contains a
595	## configuration script generated by Autoconf, you may include it under
596	## the same distribution terms that you use for the rest of that program.
597
598	# serial 47 AC_PROG_LIBTOOL
599	# Debian $Rev: 192 $
600
601
602	# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)
603	# -----------------------------------------------------------
604	# If this macro is not defined by Autoconf, define it here.
605	m4_ifdef([AC_PROVIDE_IFELSE],
606	[],
607	[m4_define([AC_PROVIDE_IFELSE],
608	[m4_ifdef([AC_PROVIDE_$1],
609	[$2], [$3])])])
610
611
612	# AC_PROG_LIBTOOL
613	# ---------------
614	AC_DEFUN([AC_PROG_LIBTOOL],
615	[AC_REQUIRE([_AC_PROG_LIBTOOL])dnl
616	dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX
617	dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.
618	AC_PROVIDE_IFELSE([AC_PROG_CXX],
619	[AC_LIBTOOL_CXX],
620	[define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
621	])])
622	dnl And a similar setup for Fortran 77 support
623	AC_PROVIDE_IFELSE([AC_PROG_F77],
624	[AC_LIBTOOL_F77],
625	[define([AC_PROG_F77], defn([AC_PROG_F77])[AC_LIBTOOL_F77
626	])])
627
628	dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly.
629	dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run
630	dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both.
631	AC_PROVIDE_IFELSE([AC_PROG_GCJ],
632	[AC_LIBTOOL_GCJ],
633	[AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
634	[AC_LIBTOOL_GCJ],
635	[AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],
636	[AC_LIBTOOL_GCJ],
637	[ifdef([AC_PROG_GCJ],
638	[define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ])])
639	ifdef([A][M_PROG_GCJ],
640	[define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ])])
641	ifdef([LT_AC_PROG_GCJ],
642	[define([LT_AC_PROG_GCJ],
643	defn([LT_AC_PROG_GCJ])[AC_LIBTOOL_GCJ])])])])
644	])])# AC_PROG_LIBTOOL
645
646
647	# _AC_PROG_LIBTOOL
648	# ----------------
649	AC_DEFUN([_AC_PROG_LIBTOOL],
650	[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
651	AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl
652	AC_BEFORE([$0],[AC_LIBTOOL_F77])dnl
653	AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl
654
655	# This can be used to rebuild libtool when needed
656	LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"
657
658	# Always use our own libtool.
659	LIBTOOL='$(SHELL) $(top_builddir)/libtool'
660	AC_SUBST(LIBTOOL)dnl
661
662	# Prevent multiple expansion
663	define([AC_PROG_LIBTOOL], [])
664	])# _AC_PROG_LIBTOOL
665
666
667	# AC_LIBTOOL_SETUP
668	# ----------------
669	AC_DEFUN([AC_LIBTOOL_SETUP],
670	[AC_PREREQ(2.50)dnl
671	AC_REQUIRE([AC_ENABLE_SHARED])dnl
672	AC_REQUIRE([AC_ENABLE_STATIC])dnl
673	AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
674	AC_REQUIRE([AC_CANONICAL_HOST])dnl
675	AC_REQUIRE([AC_CANONICAL_BUILD])dnl
676	AC_REQUIRE([AC_PROG_CC])dnl
677	AC_REQUIRE([AC_PROG_LD])dnl
678	AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
679	AC_REQUIRE([AC_PROG_NM])dnl
680
681	AC_REQUIRE([AC_PROG_LN_S])dnl
682	AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
683	# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
684	AC_REQUIRE([AC_OBJEXT])dnl
685	AC_REQUIRE([AC_EXEEXT])dnl
686	dnl
687
688	AC_LIBTOOL_SYS_MAX_CMD_LEN
689	AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
690	AC_LIBTOOL_OBJDIR
691
692	AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
693	_LT_AC_PROG_ECHO_BACKSLASH
694
695	case $host_os in
696	aix3*)
697	# AIX sometimes has problems with the GCC collect2 program. For some
698	# reason, if we set the COLLECT_NAMES environment variable, the problems
699	# vanish in a puff of smoke.
700	if test "X${COLLECT_NAMES+set}" != Xset; then
701	COLLECT_NAMES=
702	export COLLECT_NAMES
703	fi
704	;;
705	esac
706
707	# Sed substitution that helps us do robust quoting. It backslashifies
708	# metacharacters that are still active within double-quoted strings.
709	Xsed='sed -e s/^X//'
710	[sed_quote_subst='s/$[\\"\\`$\\\\]$/\\\1/g']
711
712	# Same as above, but do not quote variable references.
713	[double_quote_subst='s/$[\\"\\`\\\\]$/\\\1/g']
714
715	# Sed substitution to delay expansion of an escaped shell variable in a
716	# double_quote_subst'ed string.
717	delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
718
719	# Sed substitution to avoid accidental globbing in evaled expressions
720	no_glob_subst='s/\/\\\/g'
721
722	# Constants:
723	rm="rm -f"
724
725	# Global variables:
726	default_ofile=libtool
727	can_build_shared=yes
728
729	# All known linkers require a `.a' archive for static linking (except M$VC,
730	# which needs '.lib').
731	libext=a
732	ltmain="$ac_aux_dir/ltmain.sh"
733	ofile="$default_ofile"
734	with_gnu_ld="$lt_cv_prog_gnu_ld"
735
736	AC_CHECK_TOOL(AR, ar, false)
737	AC_CHECK_TOOL(RANLIB, ranlib, :)
738	AC_CHECK_TOOL(STRIP, strip, :)
739
740	old_CC="$CC"
741	old_CFLAGS="$CFLAGS"
742
743	# Set sane defaults for various variables
744	test -z "$AR" && AR=ar
745	test -z "$AR_FLAGS" && AR_FLAGS=cru
746	test -z "$AS" && AS=as
747	test -z "$CC" && CC=cc
748	test -z "$LTCC" && LTCC=$CC
749	test -z "$DLLTOOL" && DLLTOOL=dlltool
750	test -z "$LD" && LD=ld
751	test -z "$LN_S" && LN_S="ln -s"
752	test -z "$MAGIC_CMD" && MAGIC_CMD=file
753	test -z "$NM" && NM=nm
754	test -z "$SED" && SED=sed
755	test -z "$OBJDUMP" && OBJDUMP=objdump
756	test -z "$RANLIB" && RANLIB=:
757	test -z "$STRIP" && STRIP=:
758	test -z "$ac_objext" && ac_objext=o
759
760	# Determine commands to create old-style static archives.
761	old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs'
762	old_postinstall_cmds='chmod 644 $oldlib'
763	old_postuninstall_cmds=
764
765	if test -n "$RANLIB"; then
766	case $host_os in
767	openbsd*)
768	old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds"
769	;;
770	*)
771	old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
772	;;
773	esac
774	old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
775	fi
776
777	# Only perform the check for file, if the check method requires it
778	case $deplibs_check_method in
779	file_magic*)
780	if test "$file_magic_cmd" = '$MAGIC_CMD'; then
781	AC_PATH_MAGIC
782	fi
783	;;
784	esac
785
786	AC_PROVIDE_IFELSE([AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no)
787	AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
788	enable_win32_dll=yes, enable_win32_dll=no)
789
790	AC_ARG_ENABLE([libtool-lock],
791	[AC_HELP_STRING([--disable-libtool-lock],
792	[avoid locking (might break parallel builds)])])
793	test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
794
795	AC_ARG_WITH([pic],
796	[AC_HELP_STRING([--with-pic],
797	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
798	[pic_mode="$withval"],
799	[pic_mode=default])
800	test -z "$pic_mode" && pic_mode=default
801
802	# Use C for the default configuration in the libtool script
803	tagname=
804	AC_LIBTOOL_LANG_C_CONFIG
805	_LT_AC_TAGCONFIG
806	])# AC_LIBTOOL_SETUP
807
808
809	# _LT_AC_SYS_COMPILER
810	# -------------------
811	AC_DEFUN([_LT_AC_SYS_COMPILER],
812	[AC_REQUIRE([AC_PROG_CC])dnl
813
814	# If no C compiler was specified, use CC.
815	LTCC=${LTCC-"$CC"}
816
817	# Allow CC to be a program name with arguments.
818	compiler=$CC
819	])# _LT_AC_SYS_COMPILER
820
821
822	# _LT_AC_SYS_LIBPATH_AIX
823	# ----------------------
824	# Links a minimal program and checks the executable
825	# for the system default hardcoded library path. In most cases,
826	# this is /usr/lib:/lib, but when the MPI compilers are used
827	# the location of the communication and MPI libs are included too.
828	# If we don't find anything, use the default library path according
829	# to the aix ld manual.
830	AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX],
831	[AC_LINK_IFELSE(AC_LANG_PROGRAM,[
832	aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null \| $SED -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 $.$$/\1/; p; }
833	}'`
834	# Check for a 64-bit object if we didn't find anything.
835	if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null \| $SED -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 $.$$/\1/; p; }
836	}'`; fi],[])
837	if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
838	])# _LT_AC_SYS_LIBPATH_AIX
839
840
841	# _LT_AC_SHELL_INIT(ARG)
842	# ----------------------
843	AC_DEFUN([_LT_AC_SHELL_INIT],
844	[ifdef([AC_DIVERSION_NOTICE],
845	[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
846	[AC_DIVERT_PUSH(NOTICE)])
847	$1
848	AC_DIVERT_POP
849	])# _LT_AC_SHELL_INIT
850
851
852	# _LT_AC_PROG_ECHO_BACKSLASH
853	# --------------------------
854	# Add some code to the start of the generated configure script which
855	# will find an echo command which doesn't interpret backslashes.
856	AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH],
857	[_LT_AC_SHELL_INIT([
858	# Check that we are running under the correct shell.
859	SHELL=${CONFIG_SHELL-/bin/sh}
860
861	case X$ECHO in
862	X*--fallback-echo)
863	# Remove one level of quotation (which was required for Make).
864	ECHO=`echo "$ECHO" \| sed 's,\\\\\[$]\\[$]0,'[$]0','`
865	;;
866	esac
867
868	echo=${ECHO-echo}
869	if test "X[$]1" = X--no-reexec; then
870	# Discard the --no-reexec flag, and continue.
871	shift
872	elif test "X[$]1" = X--fallback-echo; then
873	# Avoid inline document here, it may be left over
874	:
875	elif test "X`($echo '\t') 2>/dev/null`" = 'X\t' ; then
876	# Yippee, $echo works!
877	:
878	else
879	# Restart under the correct shell.
880	exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}
881	fi
882
883	if test "X[$]1" = X--fallback-echo; then
884	# used as fallback echo
885	shift
886	cat <<EOF
887	[$]*
888	EOF
889	exit 0
890	fi
891
892	# The HP-UX ksh and POSIX shell print the target directory to stdout
893	# if CDPATH is set.
894	if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
895
896	if test -z "$ECHO"; then
897	if test "X${echo_test_string+set}" != Xset; then
898	# find a string as large as possible, as long as the shell can cope with it
899	for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
900	# expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
901	if (echo_test_string="`eval $cmd`") 2>/dev/null &&
902	echo_test_string="`eval $cmd`" &&
903	(test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null
904	then
905	break
906	fi
907	done
908	fi
909
910	if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
911	echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
912	test "X$echo_testing_string" = "X$echo_test_string"; then
913	:
914	else
915	# The Solaris, AIX, and Digital Unix default echo programs unquote
916	# backslashes. This makes it impossible to quote backslashes using
917	# echo "$something" \| sed 's/\\/\\\\/g'
918	#
919	# So, first we look for a working echo in the user's PATH.
920
921	lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
922	for dir in $PATH /usr/ucb; do
923	IFS="$lt_save_ifs"
924	if (test -f $dir/echo \|\| test -f $dir/echo$ac_exeext) &&
925	test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
926	echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
927	test "X$echo_testing_string" = "X$echo_test_string"; then
928	echo="$dir/echo"
929	break
930	fi
931	done
932	IFS="$lt_save_ifs"
933
934	if test "X$echo" = Xecho; then
935	# We didn't find a better echo, so look for alternatives.
936	if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
937	echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&
938	test "X$echo_testing_string" = "X$echo_test_string"; then
939	# This shell has a builtin print -r that does the trick.
940	echo='print -r'
941	elif (test -f /bin/ksh \|\| test -f /bin/ksh$ac_exeext) &&
942	test "X$CONFIG_SHELL" != X/bin/ksh; then
943	# If we have ksh, try running configure again with it.
944	ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
945	export ORIGINAL_CONFIG_SHELL
946	CONFIG_SHELL=/bin/ksh
947	export CONFIG_SHELL
948	exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
949	else
950	# Try using printf.
951	echo='printf %s\n'
952	if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
953	echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
954	test "X$echo_testing_string" = "X$echo_test_string"; then
955	# Cool, printf works
956	:
957	elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
958	test "X$echo_testing_string" = 'X\t' &&
959	echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
960	test "X$echo_testing_string" = "X$echo_test_string"; then
961	CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
962	export CONFIG_SHELL
963	SHELL="$CONFIG_SHELL"
964	export SHELL
965	echo="$CONFIG_SHELL [$]0 --fallback-echo"
966	elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
967	test "X$echo_testing_string" = 'X\t' &&
968	echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
969	test "X$echo_testing_string" = "X$echo_test_string"; then
970	echo="$CONFIG_SHELL [$]0 --fallback-echo"
971	else
972	# maybe with a smaller string...
973	prev=:
974
975	for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
976	if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null
977	then
978	break
979	fi
980	prev="$cmd"
981	done
982
983	if test "$prev" != 'sed 50q "[$]0"'; then
984	echo_test_string=`eval $prev`
985	export echo_test_string
986	exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}
987	else
988	# Oops. We lost completely, so just stick with echo.
989	echo=echo
990	fi
991	fi
992	fi
993	fi
994	fi
995	fi
996
997	# Copy echo and quote the copy suitably for passing to libtool from
998	# the Makefile, instead of quoting the original, which is used later.
999	ECHO=$echo
1000	if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then
1001	ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"
1002	fi
1003
1004	AC_SUBST(ECHO)
1005	])])# _LT_AC_PROG_ECHO_BACKSLASH
1006
1007
1008	# _LT_AC_LOCK
1009	# -----------
1010	AC_DEFUN([_LT_AC_LOCK],
1011	[AC_ARG_ENABLE([libtool-lock],
1012	[AC_HELP_STRING([--disable-libtool-lock],
1013	[avoid locking (might break parallel builds)])])
1014	test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
1015
1016	# Some flags need to be propagated to the compiler or linker for good
1017	# libtool support.
1018	case $host in
1019	ia64--hpux)
1020	# Find out which ABI we are using.
1021	echo 'int i;' > conftest.$ac_ext
1022	if AC_TRY_EVAL(ac_compile); then
1023	case `/usr/bin/file conftest.$ac_objext` in
1024	ELF-32)
1025	HPUX_IA64_MODE="32"
1026	;;
1027	ELF-64)
1028	HPUX_IA64_MODE="64"
1029	;;
1030	esac
1031	fi
1032	rm -rf conftest*
1033	;;
1034	--irix6*)
1035	# Find out which ABI we are using.
1036	echo '[#]line __oline__ "configure"' > conftest.$ac_ext
1037	if AC_TRY_EVAL(ac_compile); then
1038	if test "$lt_cv_prog_gnu_ld" = yes; then
1039	case `/usr/bin/file conftest.$ac_objext` in
1040	32-bit)
1041	LD="${LD-ld} -melf32bsmip"
1042	;;
1043	N32)
1044	LD="${LD-ld} -melf32bmipn32"
1045	;;
1046	64-bit)
1047	LD="${LD-ld} -melf64bmip"
1048	;;
1049	esac
1050	else
1051	case `/usr/bin/file conftest.$ac_objext` in
1052	32-bit)
1053	LD="${LD-ld} -32"
1054	;;
1055	N32)
1056	LD="${LD-ld} -n32"
1057	;;
1058	64-bit)
1059	LD="${LD-ld} -64"
1060	;;
1061	esac
1062	fi
1063	fi
1064	rm -rf conftest*
1065	;;
1066
1067	x86_64-linux\|ppc-linux\|powerpc-linux\|s390-linux\|sparc-linux)
1068	# Find out which ABI we are using.
1069	echo 'int i;' > conftest.$ac_ext
1070	if AC_TRY_EVAL(ac_compile); then
1071	case "`/usr/bin/file conftest.o`" in
1072	32-bit)
1073	case $host in
1074	x86_64-linux)
1075	LD="${LD-ld} -m elf_i386"
1076	;;
1077	ppc64-linux\|powerpc64-linux)
1078	LD="${LD-ld} -m elf32ppclinux"
1079	;;
1080	s390x-linux)
1081	LD="${LD-ld} -m elf_s390"
1082	;;
1083	sparc64-linux)
1084	LD="${LD-ld} -m elf32_sparc"
1085	;;
1086	esac
1087	;;
1088	64-bit)
1089	case $host in
1090	x86_64-linux)
1091	LD="${LD-ld} -m elf_x86_64"
1092	;;
1093	ppc-linux\|powerpc-linux)
1094	LD="${LD-ld} -m elf64ppc"
1095	;;
1096	s390-linux*)
1097	LD="${LD-ld} -m elf64_s390"
1098	;;
1099	sparc-linux*)
1100	LD="${LD-ld} -m elf64_sparc"
1101	;;
1102	esac
1103	;;
1104	esac
1105	fi
1106	rm -rf conftest*
1107	;;
1108
1109	--sco3.2v5*)
1110	# On SCO OpenServer 5, we need -belf to get full-featured binaries.
1111	SAVE_CFLAGS="$CFLAGS"
1112	CFLAGS="$CFLAGS -belf"
1113	AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
1114	[AC_LANG_PUSH(C)
1115	AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
1116	AC_LANG_POP])
1117	if test x"$lt_cv_cc_needs_belf" != x"yes"; then
1118	# this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
1119	CFLAGS="$SAVE_CFLAGS"
1120	fi
1121	;;
1122	AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
1123	[--cygwin* \| --mingw* \| --pw32*)
1124	AC_CHECK_TOOL(DLLTOOL, dlltool, false)
1125	AC_CHECK_TOOL(AS, as, false)
1126	AC_CHECK_TOOL(OBJDUMP, objdump, false)
1127	;;
1128	])
1129	esac
1130
1131	need_locks="$enable_libtool_lock"
1132
1133	])# _LT_AC_LOCK
1134
1135
1136	# AC_LIBTOOL_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
1137	# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
1138	# ----------------------------------------------------------------
1139	# Check whether the given compiler option works
1140	AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION],
1141	[AC_REQUIRE([LT_AC_PROG_SED])
1142	AC_CACHE_CHECK([$1], [$2],
1143	[$2=no
1144	ifelse([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
1145	printf "$lt_simple_compile_test_code" > conftest.$ac_ext
1146	lt_compiler_flag="$3"
1147	# Insert the option either (1) after the last *FLAGS variable, or
1148	# (2) before a word containing "conftest.", or (3) at the end.
1149	# Note that $ac_compile itself does not contain backslashes and begins
1150	# with a dollar sign (not a hyphen), so the echo should work correctly.
1151	# The option is referenced via a variable to avoid confusing sed.
1152	lt_compile=`echo "$ac_compile" \| $SED \
1153	-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
1154	-e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
1155	-e 's:$: $lt_compiler_flag:'`
1156	(eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
1157	(eval "$lt_compile" 2>conftest.err)
1158	ac_status=$?
1159	cat conftest.err >&AS_MESSAGE_LOG_FD
1160	echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
1161	if (exit $ac_status) && test -s "$ac_outfile"; then
1162	# The compiler can only warn and ignore the option if not recognized
1163	# So say no if there are warnings
1164	if test ! -s conftest.err; then
1165	$2=yes
1166	fi
1167	fi
1168	$rm conftest*
1169	])
1170
1171	if test x"[$]$2" = xyes; then
1172	ifelse([$5], , :, [$5])
1173	else
1174	ifelse([$6], , :, [$6])
1175	fi
1176	])# AC_LIBTOOL_COMPILER_OPTION
1177
1178
1179	# AC_LIBTOOL_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
1180	# [ACTION-SUCCESS], [ACTION-FAILURE])
1181	# ------------------------------------------------------------
1182	# Check whether the given compiler option works
1183	AC_DEFUN([AC_LIBTOOL_LINKER_OPTION],
1184	[AC_CACHE_CHECK([$1], [$2],
1185	[$2=no
1186	save_LDFLAGS="$LDFLAGS"
1187	LDFLAGS="$LDFLAGS $3"
1188	printf "$lt_simple_link_test_code" > conftest.$ac_ext
1189	if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
1190	# The compiler can only warn and ignore the option if not recognized
1191	# So say no if there are warnings
1192	if test -s conftest.err; then
1193	# Append any errors to the config.log.
1194	cat conftest.err 1>&AS_MESSAGE_LOG_FD
1195	else
1196	$2=yes
1197	fi
1198	fi
1199	$rm conftest*
1200	LDFLAGS="$save_LDFLAGS"
1201	])
1202
1203	if test x"[$]$2" = xyes; then
1204	ifelse([$4], , :, [$4])
1205	else
1206	ifelse([$5], , :, [$5])
1207	fi
1208	])# AC_LIBTOOL_LINKER_OPTION
1209
1210
1211	# AC_LIBTOOL_SYS_MAX_CMD_LEN
1212	# --------------------------
1213	AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN],
1214	[# find the maximum length of command line arguments
1215	AC_MSG_CHECKING([the maximum length of command line arguments])
1216	AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
1217	i=0
1218	testring="ABCD"
1219
1220	case $build_os in
1221	msdosdjgpp*)
1222	# On DJGPP, this test can blow up pretty badly due to problems in libc
1223	# (any single argument exceeding 2000 bytes causes a buffer overrun
1224	# during glob expansion). Even if it were fixed, the result of this
1225	# check would be larger than it should be.
1226	lt_cv_sys_max_cmd_len=12288; # 12K is about right
1227	;;
1228
1229	gnu*)
1230	# Under GNU Hurd, this test is not required because there is
1231	# no limit to the length of command line arguments.
1232	# Libtool will interpret -1 as no limit whatsoever
1233	lt_cv_sys_max_cmd_len=-1;
1234	;;
1235
1236	cygwin* \| mingw*)
1237	# On Win9x/ME, this test blows up -- it succeeds, but takes
1238	# about 5 minutes as the teststring grows exponentially.
1239	# Worse, since 9x/ME are not pre-emptively multitasking,
1240	# you end up with a "frozen" computer, even though with patience
1241	# the test eventually succeeds (with a max line length of 256k).
1242	# Instead, let's just punt: use the minimum linelength reported by
1243	# all of the supported platforms: 8192 (on NT/2K/XP).
<