Context Navigation

← Previous Revision
Latest Revision
Next Revision →
Blame
Revision Log

libtool.m4@ 257

Last change on this file since 257 was 132, checked in by cinc, 19 years ago
Boehm-Demers-Weiser garbage collector. Single-threaded for OS/2.
File size: 115.0 KB

Line
1	# libtool.m4 - Configure libtool for the host system. --Shell-script--
2	## Copyright 1996, 1997, 1998, 1999, 2000, 2001
3	## Free Software Foundation, Inc.
4	## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
5	##
6	## This program is free software; you can redistribute it and/or modify
7	## it under the terms of the GNU General Public License as published by
8	## the Free Software Foundation; either version 2 of the License, or
9	## (at your option) any later version.
10	##
11	## This program is distributed in the hope that it will be useful, but
12	## WITHOUT ANY WARRANTY; without even the implied warranty of
13	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14	## General Public License for more details.
15	##
16	## You should have received a copy of the GNU General Public License
17	## along with this program; if not, write to the Free Software
18	## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19	##
20	## As a special exception to the GNU General Public License, if you
21	## distribute this file as part of a program that contains a
22	## configuration script generated by Autoconf, you may include it under
23	## the same distribution terms that you use for the rest of that program.
24
25	# serial 46 AC_PROG_LIBTOOL
26
27	AC_DEFUN([AC_PROG_LIBTOOL],
28	[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
29
30	# This can be used to rebuild libtool when needed
31	LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"
32
33	# Always use our own libtool.
34	LIBTOOL='$(SHELL) $(top_builddir)/libtool'
35	AC_SUBST(LIBTOOL)dnl
36
37	# Prevent multiple expansion
38	define([AC_PROG_LIBTOOL], [])
39	])
40
41	AC_DEFUN([AC_LIBTOOL_SETUP],
42	[AC_PREREQ(2.13)dnl
43	AC_REQUIRE([AC_ENABLE_SHARED])dnl
44	AC_REQUIRE([AC_ENABLE_STATIC])dnl
45	AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
46	AC_REQUIRE([AC_CANONICAL_HOST])dnl
47	AC_REQUIRE([AC_CANONICAL_BUILD])dnl
48	AC_REQUIRE([AC_PROG_CC])dnl
49	AC_REQUIRE([AC_PROG_LD])dnl
50	AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
51	AC_REQUIRE([AC_PROG_NM])dnl
52	AC_REQUIRE([AC_PROG_LN_S])dnl
53	AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
54	AC_REQUIRE([AC_OBJEXT])dnl
55	AC_REQUIRE([AC_EXEEXT])dnl
56	dnl
57
58	_LT_AC_PROG_ECHO_BACKSLASH
59	# Only perform the check for file, if the check method requires it
60	case $deplibs_check_method in
61	file_magic*)
62	if test "$file_magic_cmd" = '$MAGIC_CMD'; then
63	AC_PATH_MAGIC
64	fi
65	;;
66	esac
67
68	AC_CHECK_TOOL(RANLIB, ranlib, :)
69	AC_CHECK_TOOL(STRIP, strip, :)
70
71	ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no)
72	ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
73	enable_win32_dll=yes, enable_win32_dll=no)
74
75	AC_ARG_ENABLE(libtool-lock,
76	[ --disable-libtool-lock avoid locking (might break parallel builds)])
77	test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
78
79	# Some flags need to be propagated to the compiler or linker for good
80	# libtool support.
81	case $host in
82	--irix6*)
83	# Find out which ABI we are using.
84	echo '[#]line __oline__ "configure"' > conftest.$ac_ext
85	if AC_TRY_EVAL(ac_compile); then
86	case `/usr/bin/file conftest.$ac_objext` in
87	32-bit)
88	LD="${LD-ld} -32"
89	;;
90	N32)
91	LD="${LD-ld} -n32"
92	;;
93	64-bit)
94	LD="${LD-ld} -64"
95	;;
96	esac
97	fi
98	rm -rf conftest*
99	;;
100
101	--sco3.2v5*)
102	# On SCO OpenServer 5, we need -belf to get full-featured binaries.
103	SAVE_CFLAGS="$CFLAGS"
104	CFLAGS="$CFLAGS -belf"
105	AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
106	[AC_LANG_SAVE
107	AC_LANG_C
108	AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
109	AC_LANG_RESTORE])
110	if test x"$lt_cv_cc_needs_belf" != x"yes"; then
111	# this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
112	CFLAGS="$SAVE_CFLAGS"
113	fi
114	;;
115
116	ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
117	[--cygwin* \| --mingw* \| --pw32*)
118	AC_CHECK_TOOL(DLLTOOL, dlltool, false)
119	AC_CHECK_TOOL(AS, as, false)
120	AC_CHECK_TOOL(OBJDUMP, objdump, false)
121
122	# recent cygwin and mingw systems supply a stub DllMain which the user
123	# can override, but on older systems we have to supply one
124	AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
125	[AC_TRY_LINK([],
126	[extern int __attribute__((__stdcall__)) DllMain(void, int, void);
127	DllMain (0, 0, 0);],
128	[lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])
129
130	case $host/$CC in
131	--cygwin/gcc-mno-cygwin\|--mingw)
132	# old mingw systems require "-dll" to link a DLL, while more recent ones
133	# require "-mdll"
134	SAVE_CFLAGS="$CFLAGS"
135	CFLAGS="$CFLAGS -mdll"
136	AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
137	[AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
138	CFLAGS="$SAVE_CFLAGS" ;;
139	--cygwin* \| --pw32*)
140	# cygwin systems need to pass --dll to the linker, and not link
141	# crt.o which will require a WinMain@16 definition.
142	lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
143	esac
144	;;
145	])
146	esac
147
148	_LT_AC_LTCONFIG_HACK
149
150	])
151
152	# AC_LIBTOOL_HEADER_ASSERT
153	# ------------------------
154	AC_DEFUN([AC_LIBTOOL_HEADER_ASSERT],
155	[AC_CACHE_CHECK([whether $CC supports assert without backlinking],
156	[lt_cv_func_assert_works],
157	[case $host in
158	--solaris*)
159	if test "$GCC" = yes && test "$with_gnu_ld" != yes; then
160	case `$CC --version 2>/dev/null` in
161	[[12]].*) lt_cv_func_assert_works=no ;;
162	*) lt_cv_func_assert_works=yes ;;
163	esac
164	fi
165	;;
166	esac])
167
168	if test "x$lt_cv_func_assert_works" = xyes; then
169	AC_CHECK_HEADERS(assert.h)
170	fi
171	])# AC_LIBTOOL_HEADER_ASSERT
172
173	# _LT_AC_CHECK_DLFCN
174	# --------------------
175	AC_DEFUN([_LT_AC_CHECK_DLFCN],
176	[AC_CHECK_HEADERS(dlfcn.h)
177	])# _LT_AC_CHECK_DLFCN
178
179	# AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
180	# ---------------------------------
181	AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE],
182	[AC_REQUIRE([AC_CANONICAL_HOST])
183	AC_REQUIRE([AC_PROG_NM])
184	AC_REQUIRE([AC_OBJEXT])
185	# Check for command to grab the raw symbol name followed by C symbol from nm.
186	AC_MSG_CHECKING([command to parse $NM output])
187	AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [dnl
188
189	# These are sane defaults that work on at least a few old systems.
190	# [They come from Ultrix. What could be older than Ultrix?!! ;)]
191
192	# Character class describing NM global symbol codes.
193	symcode='[[BCDEGRST]]'
194
195	# Regexp to match symbols that can be accessed directly from C.
196	sympat='$[[_A-Za-z]][[_A-Za-z0-9]]*$'
197
198	# Transform the above into a raw symbol and a C symbol.
199	symxfrm='\1 \2\3 \3'
200
201	# Transform an extracted symbol line into a proper C declaration
202	lt_cv_global_symbol_to_cdecl="sed -n -e 's/^. .* $.*$$/extern char \1;/p'"
203
204	# Transform an extracted symbol line into symbol name and symbol address
205	lt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: $[[^ ]]$ $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode $[[^ ]]$ $[[^ ]]*$$/ {\"\2\", (lt_ptr) \&\2},/p'"
206
207	# Define system-specific variables.
208	case $host_os in
209	aix*)
210	symcode='[[BCDT]]'
211	;;
212	cygwin* \| mingw* \| pw32*)
213	symcode='[[ABCDGISTW]]'
214	;;
215	hpux*) # Its linker distinguishes data from code symbols
216	lt_cv_global_symbol_to_cdecl="sed -n -e 's/^T .* $.$$/extern char \1();/p' -e 's/^$symcode .* $.*$$/extern char \1;/p'"
217	lt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: $[[^ ]]$ $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode $[[^ ]]$ $[[^ ]]$$/ {\"\2\", (lt_ptr) \&\2},/p'"
218	;;
219	irix*)
220	symcode='[[BCDEGRST]]'
221	;;
222	solaris* \| sysv5*)
223	symcode='[[BDT]]'
224	;;
225	sysv4)
226	symcode='[[DFNSTU]]'
227	;;
228	esac
229
230	# Handle CRLF in mingw tool chain
231	opt_cr=
232	case $host_os in
233	mingw*)
234	opt_cr=`echo 'x\{0,1\}' \| tr x '\015'` # option cr in regexp
235	;;
236	esac
237
238	# If we're using GNU nm, then use its standard symbol codes.
239	if $NM -V 2>&1 \| egrep '(GNU\|with BFD)' > /dev/null; then
240	symcode='[[ABCDGISTW]]'
241	fi
242
243	# Try without a prefix undercore, then with it.
244	for ac_symprfx in "" "_"; do
245
246	# Write the raw and C identifiers.
247	lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.[[ ]]$$symcode$symcode$[[ ]][[ ]]*$$ac_symprfx$$sympat$opt_cr$/$symxfrm/p'"
248
249	# Check to see that the pipe works correctly.
250	pipe_works=no
251	rm -f conftest*
252	cat > conftest.$ac_ext <<EOF
253	#ifdef __cplusplus
254	extern "C" {
255	#endif
256	char nm_test_var;
257	void nm_test_func(){}
258	#ifdef __cplusplus
259	}
260	#endif
261	int main(){nm_test_var='a';nm_test_func();return(0);}
262	EOF
263
264	if AC_TRY_EVAL(ac_compile); then
265	# Now try to grab the symbols.
266	nlist=conftest.nm
267	if AC_TRY_EVAL(NM conftest.$ac_objext \\| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then
268	# Try sorting and uniquifying the output.
269	if sort "$nlist" \| uniq > "$nlist"T; then
270	mv -f "$nlist"T "$nlist"
271	else
272	rm -f "$nlist"T
273	fi
274
275	# Make sure that we snagged all the symbols we need.
276	if egrep ' nm_test_var$' "$nlist" >/dev/null; then
277	if egrep ' nm_test_func$' "$nlist" >/dev/null; then
278	cat <<EOF > conftest.$ac_ext
279	#ifdef __cplusplus
280	extern "C" {
281	#endif
282
283	EOF
284	# Now generate the symbol file.
285	eval "$lt_cv_global_symbol_to_cdecl"' < "$nlist" >> conftest.$ac_ext'
286
287	cat <<EOF >> conftest.$ac_ext
288	#if defined (__STDC__) && __STDC__
289	# define lt_ptr void *
290	#else
291	# define lt_ptr char *
292	# define const
293	#endif
294
295	/* The mapping between symbol names and symbols. */
296	const struct {
297	const char *name;
298	lt_ptr address;
299	}
300	lt_preloaded_symbols[[]] =
301	{
302	EOF
303	sed "s/^$symcode$symcode* $.$ $.$$/ {\"\2\", (lt_ptr) \&\2},/" < "$nlist" >> conftest.$ac_ext
304	cat <<\EOF >> conftest.$ac_ext
305	{0, (lt_ptr) 0}
306	};
307
308	#ifdef __cplusplus
309	}
310	#endif
311	EOF
312	# Now try linking the two files.
313	mv conftest.$ac_objext conftstm.$ac_objext
314	save_LIBS="$LIBS"
315	save_CFLAGS="$CFLAGS"
316	LIBS="conftstm.$ac_objext"
317	CFLAGS="$CFLAGS$no_builtin_flag"
318	if AC_TRY_EVAL(ac_link) && test -s conftest; then
319	pipe_works=yes
320	fi
321	LIBS="$save_LIBS"
322	CFLAGS="$save_CFLAGS"
323	else
324	echo "cannot find nm_test_func in $nlist" >&AC_FD_CC
325	fi
326	else
327	echo "cannot find nm_test_var in $nlist" >&AC_FD_CC
328	fi
329	else
330	echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AC_FD_CC
331	fi
332	else
333	echo "$progname: failed program was:" >&AC_FD_CC
334	cat conftest.$ac_ext >&5
335	fi
336	rm -f conftest* conftst*
337
338	# Do not use the global_symbol_pipe unless it works.
339	if test "$pipe_works" = yes; then
340	break
341	else
342	lt_cv_sys_global_symbol_pipe=
343	fi
344	done
345	])
346	global_symbol_pipe="$lt_cv_sys_global_symbol_pipe"
347	if test -z "$lt_cv_sys_global_symbol_pipe"; then
348	global_symbol_to_cdecl=
349	global_symbol_to_c_name_address=
350	else
351	global_symbol_to_cdecl="$lt_cv_global_symbol_to_cdecl"
352	global_symbol_to_c_name_address="$lt_cv_global_symbol_to_c_name_address"
353	fi
354	if test -z "$global_symbol_pipe$global_symbol_to_cdec$global_symbol_to_c_name_address";
355	then
356	AC_MSG_RESULT(failed)
357	else
358	AC_MSG_RESULT(ok)
359	fi
360	]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
361
362	# _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR
363	# ---------------------------------
364	AC_DEFUN([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR],
365	[# Find the correct PATH separator. Usually this is `:', but
366	# DJGPP uses `;' like DOS.
367	if test "X${PATH_SEPARATOR+set}" != Xset; then
368	UNAME=${UNAME-`uname 2>/dev/null`}
369	case X$UNAME in
370	*-DOS) lt_cv_sys_path_separator=';' ;;
371	*) lt_cv_sys_path_separator=':' ;;
372	esac
373	PATH_SEPARATOR=$lt_cv_sys_path_separator
374	fi
375	])# _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR
376
377	# _LT_AC_PROG_ECHO_BACKSLASH
378	# --------------------------
379	# Add some code to the start of the generated configure script which
380	# will find an echo command which doesn't interpret backslashes.
381	AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH],
382	[ifdef([AC_DIVERSION_NOTICE], [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
383	[AC_DIVERT_PUSH(NOTICE)])
384	_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR
385
386	# Check that we are running under the correct shell.
387	SHELL=${CONFIG_SHELL-/bin/sh}
388
389	case X$ECHO in
390	X*--fallback-echo)
391	# Remove one level of quotation (which was required for Make).
392	ECHO=`echo "$ECHO" \| sed 's,\\\\\[$]\\[$]0,'[$]0','`
393	;;
394	esac
395
396	echo=${ECHO-echo}
397	if test "X[$]1" = X--no-reexec; then
398	# Discard the --no-reexec flag, and continue.
399	shift
400	elif test "X[$]1" = X--fallback-echo; then
401	# Avoid inline document here, it may be left over
402	:
403	elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
404	# Yippee, $echo works!
405	:
406	else
407	# Restart under the correct shell.
408	exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}
409	fi
410
411	if test "X[$]1" = X--fallback-echo; then
412	# used as fallback echo
413	shift
414	cat <<EOF
415	$*
416	EOF
417	exit 0
418	fi
419
420	# The HP-UX ksh and POSIX shell print the target directory to stdout
421	# if CDPATH is set.
422	if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
423
424	if test -z "$ECHO"; then
425	if test "X${echo_test_string+set}" != Xset; then
426	# find a string as large as possible, as long as the shell can cope with it
427	for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
428	# expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
429	if (echo_test_string="`eval $cmd`") 2>/dev/null &&
430	echo_test_string="`eval $cmd`" &&
431	(test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null
432	then
433	break
434	fi
435	done
436	fi
437
438	if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
439	echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
440	test "X$echo_testing_string" = "X$echo_test_string"; then
441	:
442	else
443	# The Solaris, AIX, and Digital Unix default echo programs unquote
444	# backslashes. This makes it impossible to quote backslashes using
445	# echo "$something" \| sed 's/\\/\\\\/g'
446	#
447	# So, first we look for a working echo in the user's PATH.
448
449	IFS="${IFS= }"; save_ifs="$IFS"; IFS=$PATH_SEPARATOR
450	for dir in $PATH /usr/ucb; do
451	if (test -f $dir/echo \|\| test -f $dir/echo$ac_exeext) &&
452	test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
453	echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
454	test "X$echo_testing_string" = "X$echo_test_string"; then
455	echo="$dir/echo"
456	break
457	fi
458	done
459	IFS="$save_ifs"
460
461	if test "X$echo" = Xecho; then
462	# We didn't find a better echo, so look for alternatives.
463	if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
464	echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&
465	test "X$echo_testing_string" = "X$echo_test_string"; then
466	# This shell has a builtin print -r that does the trick.
467	echo='print -r'
468	elif (test -f /bin/ksh \|\| test -f /bin/ksh$ac_exeext) &&
469	test "X$CONFIG_SHELL" != X/bin/ksh; then
470	# If we have ksh, try running configure again with it.
471	ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
472	export ORIGINAL_CONFIG_SHELL
473	CONFIG_SHELL=/bin/ksh
474	export CONFIG_SHELL
475	exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
476	else
477	# Try using printf.
478	echo='printf %s\n'
479	if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
480	echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
481	test "X$echo_testing_string" = "X$echo_test_string"; then
482	# Cool, printf works
483	:
484	elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
485	test "X$echo_testing_string" = 'X\t' &&
486	echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
487	test "X$echo_testing_string" = "X$echo_test_string"; then
488	CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
489	export CONFIG_SHELL
490	SHELL="$CONFIG_SHELL"
491	export SHELL
492	echo="$CONFIG_SHELL [$]0 --fallback-echo"
493	elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
494	test "X$echo_testing_string" = 'X\t' &&
495	echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
496	test "X$echo_testing_string" = "X$echo_test_string"; then
497	echo="$CONFIG_SHELL [$]0 --fallback-echo"
498	else
499	# maybe with a smaller string...
500	prev=:
501
502	for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
503	if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null
504	then
505	break
506	fi
507	prev="$cmd"
508	done
509
510	if test "$prev" != 'sed 50q "[$]0"'; then
511	echo_test_string=`eval $prev`
512	export echo_test_string
513	exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}
514	else
515	# Oops. We lost completely, so just stick with echo.
516	echo=echo
517	fi
518	fi
519	fi
520	fi
521	fi
522	fi
523
524	# Copy echo and quote the copy suitably for passing to libtool from
525	# the Makefile, instead of quoting the original, which is used later.
526	ECHO=$echo
527	if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then
528	ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"
529	fi
530
531	AC_SUBST(ECHO)
532	AC_DIVERT_POP
533	])# _LT_AC_PROG_ECHO_BACKSLASH
534
535	# _LT_AC_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
536	# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
537	# ------------------------------------------------------------------
538	AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF],
539	[if test "$cross_compiling" = yes; then :
540	[$4]
541	else
542	AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
543	lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
544	lt_status=$lt_dlunknown
545	cat > conftest.$ac_ext <<EOF
546	[#line __oline__ "configure"
547	#include "confdefs.h"
548
549	#if HAVE_DLFCN_H
550	#include <dlfcn.h>
551	#endif
552
553	#include <stdio.h>
554
555	#ifdef RTLD_GLOBAL
556	# define LT_DLGLOBAL RTLD_GLOBAL
557	#else
558	# ifdef DL_GLOBAL
559	# define LT_DLGLOBAL DL_GLOBAL
560	# else
561	# define LT_DLGLOBAL 0
562	# endif
563	#endif
564
565	/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
566	find out it does not work in some platform. */
567	#ifndef LT_DLLAZY_OR_NOW
568	# ifdef RTLD_LAZY
569	# define LT_DLLAZY_OR_NOW RTLD_LAZY
570	# else
571	# ifdef DL_LAZY
572	# define LT_DLLAZY_OR_NOW DL_LAZY
573	# else
574	# ifdef RTLD_NOW
575	# define LT_DLLAZY_OR_NOW RTLD_NOW
576	# else
577	# ifdef DL_NOW
578	# define LT_DLLAZY_OR_NOW DL_NOW
579	# else
580	# define LT_DLLAZY_OR_NOW 0
581	# endif
582	# endif
583	# endif
584	# endif
585	#endif
586
587	#ifdef __cplusplus
588	extern "C" void exit (int);
589	#endif
590
591	void fnord() { int i=42;}
592	int main ()
593	{
594	void *self = dlopen (0, LT_DLGLOBAL\|LT_DLLAZY_OR_NOW);
595	int status = $lt_dlunknown;
596
597	if (self)
598	{
599	if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
600	else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
601	/* dlclose (self); */
602	}
603
604	exit (status);
605	}]
606	EOF
607	if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
608	(./conftest; exit; ) 2>/dev/null
609	lt_status=$?
610	case x$lt_status in
611	x$lt_dlno_uscore) $1 ;;
612	x$lt_dlneed_uscore) $2 ;;
613	x$lt_unknown\|x*) $3 ;;
614	esac
615	else :
616	# compilation failed
617	$3
618	fi
619	fi
620	rm -fr conftest*
621	])# _LT_AC_TRY_DLOPEN_SELF
622
623	# AC_LIBTOOL_DLOPEN_SELF
624	# -------------------
625	AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF],
626	[if test "x$enable_dlopen" != xyes; then
627	enable_dlopen=unknown
628	enable_dlopen_self=unknown
629	enable_dlopen_self_static=unknown
630	else
631	lt_cv_dlopen=no
632	lt_cv_dlopen_libs=
633
634	case $host_os in
635	beos*)
636	lt_cv_dlopen="load_add_on"
637	lt_cv_dlopen_libs=
638	lt_cv_dlopen_self=yes
639	;;
640
641	cygwin* \| mingw* \| pw32*)
642	lt_cv_dlopen="LoadLibrary"
643	lt_cv_dlopen_libs=
644	;;
645
646	*)
647	AC_CHECK_FUNC([shl_load],
648	[lt_cv_dlopen="shl_load"],
649	[AC_CHECK_LIB([dld], [shl_load],
650	[lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-dld"],
651	[AC_CHECK_FUNC([dlopen],
652	[lt_cv_dlopen="dlopen"],
653	[AC_CHECK_LIB([dl], [dlopen],
654	[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
655	[AC_CHECK_LIB([svld], [dlopen],
656	[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
657	[AC_CHECK_LIB([dld], [dld_link],
658	[lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-dld"])
659	])
660	])
661	])
662	])
663	])
664	;;
665	esac
666
667	if test "x$lt_cv_dlopen" != xno; then
668	enable_dlopen=yes
669	else
670	enable_dlopen=no
671	fi
672
673	case $lt_cv_dlopen in
674	dlopen)
675	save_CPPFLAGS="$CPPFLAGS"
676	AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
677	test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
678
679	save_LDFLAGS="$LDFLAGS"
680	eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
681
682	save_LIBS="$LIBS"
683	LIBS="$lt_cv_dlopen_libs $LIBS"
684
685	AC_CACHE_CHECK([whether a program can dlopen itself],
686	lt_cv_dlopen_self, [dnl
687	_LT_AC_TRY_DLOPEN_SELF(
688	lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
689	lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
690	])
691
692	if test "x$lt_cv_dlopen_self" = xyes; then
693	LDFLAGS="$LDFLAGS $link_static_flag"
694	AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
695	lt_cv_dlopen_self_static, [dnl
696	_LT_AC_TRY_DLOPEN_SELF(
697	lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
698	lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross)
699	])
700	fi
701
702	CPPFLAGS="$save_CPPFLAGS"
703	LDFLAGS="$save_LDFLAGS"
704	LIBS="$save_LIBS"
705	;;
706	esac
707
708	case $lt_cv_dlopen_self in
709	yes\|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
710	*) enable_dlopen_self=unknown ;;
711	esac
712
713	case $lt_cv_dlopen_self_static in
714	yes\|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
715	*) enable_dlopen_self_static=unknown ;;
716	esac
717	fi
718	])# AC_LIBTOOL_DLOPEN_SELF
719
720	AC_DEFUN([_LT_AC_LTCONFIG_HACK],
721	[AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])dnl
722	# Sed substitution that helps us do robust quoting. It backslashifies
723	# metacharacters that are still active within double-quoted strings.
724	Xsed='sed -e s/^X//'
725	sed_quote_subst='s/$[[\\"\\`$\\\\]]$/\\\1/g'
726
727	# Same as above, but do not quote variable references.
728	double_quote_subst='s/$[[\\"\\`\\\\]]$/\\\1/g'
729
730	# Sed substitution to delay expansion of an escaped shell variable in a
731	# double_quote_subst'ed string.
732	delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
733
734	# Constants:
735	rm="rm -f"
736
737	# Global variables:
738	default_ofile=libtool
739	can_build_shared=yes
740
741	# All known linkers require a `.a' archive for static linking (except M$VC,
742	# which needs '.lib').
743	libext=a
744	ltmain="$ac_aux_dir/ltmain.sh"
745	ofile="$default_ofile"
746	with_gnu_ld="$lt_cv_prog_gnu_ld"
747	need_locks="$enable_libtool_lock"
748
749	old_CC="$CC"
750	old_CFLAGS="$CFLAGS"
751
752	# Set sane defaults for various variables
753	test -z "$AR" && AR=ar
754	test -z "$AR_FLAGS" && AR_FLAGS=cru
755	test -z "$AS" && AS=as
756	test -z "$CC" && CC=cc
757	test -z "$DLLTOOL" && DLLTOOL=dlltool
758	test -z "$LD" && LD=ld
759	test -z "$LN_S" && LN_S="ln -s"
760	test -z "$MAGIC_CMD" && MAGIC_CMD=file
761	test -z "$NM" && NM=nm
762	test -z "$OBJDUMP" && OBJDUMP=objdump
763	test -z "$RANLIB" && RANLIB=:
764	test -z "$STRIP" && STRIP=:
765	test -z "$ac_objext" && ac_objext=o
766
767	if test x"$host" != x"$build"; then
768	ac_tool_prefix=${host_alias}-
769	else
770	ac_tool_prefix=
771	fi
772
773	# Transform linux* to --linux-gnu*, to support old configure scripts.
774	case $host_os in
775	linux-gnu*) ;;
776	linux) host=`echo $host \| sed 's/^$.-.-linux$$.$$/\1-gnu\2/'`
777	esac
778
779	case $host_os in
780	aix3*)
781	# AIX sometimes has problems with the GCC collect2 program. For some
782	# reason, if we set the COLLECT_NAMES environment variable, the problems
783	# vanish in a puff of smoke.
784	if test "X${COLLECT_NAMES+set}" != Xset; then
785	COLLECT_NAMES=
786	export COLLECT_NAMES
787	fi
788	;;
789	esac
790
791	# Determine commands to create old-style static archives.
792	old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs'
793	old_postinstall_cmds='chmod 644 $oldlib'
794	old_postuninstall_cmds=
795
796	if test -n "$RANLIB"; then
797	case $host_os in
798	openbsd*)
799	old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds"
800	;;
801	*)
802	old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
803	;;
804	esac
805	old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
806	fi
807
808	# Allow CC to be a program name with arguments.
809	set dummy $CC
810	compiler="[$]2"
811
812	## FIXME: this should be a separate macro
813	##
814	AC_MSG_CHECKING([for objdir])
815	rm -f .libs 2>/dev/null
816	mkdir .libs 2>/dev/null
817	if test -d .libs; then
818	objdir=.libs
819	else
820	# MS-DOS does not allow filenames that begin with a dot.
821	objdir=_libs
822	fi
823	rmdir .libs 2>/dev/null
824	AC_MSG_RESULT($objdir)
825	##
826	## END FIXME
827
828
829	## FIXME: this should be a separate macro
830	##
831	AC_ARG_WITH(pic,
832	[ --with-pic try to use only PIC/non-PIC objects [default=use both]],
833	pic_mode="$withval", pic_mode=default)
834	test -z "$pic_mode" && pic_mode=default
835
836	# We assume here that the value for lt_cv_prog_cc_pic will not be cached
837	# in isolation, and that seeing it set (from the cache) indicates that
838	# the associated values are set (in the cache) correctly too.
839	AC_MSG_CHECKING([for $compiler option to produce PIC])
840	AC_CACHE_VAL(lt_cv_prog_cc_pic,
841	[ lt_cv_prog_cc_pic=
842	lt_cv_prog_cc_shlib=
843	lt_cv_prog_cc_wl=
844	lt_cv_prog_cc_static=
845	lt_cv_prog_cc_no_builtin=
846	lt_cv_prog_cc_can_build_shared=$can_build_shared
847
848	if test "$GCC" = yes; then
849	lt_cv_prog_cc_wl='-Wl,'
850	lt_cv_prog_cc_static='-static'
851
852	case $host_os in
853	aix*)
854	# Below there is a dirty hack to force normal static linking with -ldl
855	# The problem is because libdl dynamically linked with both libc and
856	# libC (AIX C++ library), which obviously doesn't included in libraries
857	# list by gcc. This cause undefined symbols with -static flags.
858	# This hack allows C programs to be linked with "-static -ldl", but
859	# not sure about C++ programs.
860	lt_cv_prog_cc_static="$lt_cv_prog_cc_static ${lt_cv_prog_cc_wl}-lC"
861	;;
862	amigaos*)
863	# FIXME: we need at least 68020 code to build shared libraries, but
864	# adding the `-m68020' flag to GCC prevents building anything better,
865	# like `-m68040'.
866	lt_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
867	;;
868	beos* \| irix5* \| irix6* \| osf3* \| osf4* \| osf5*)
869	# PIC is the default for these OSes.
870	;;
871	darwin* \| rhapsody*)
872	# PIC is the default on this platform
873	# Common symbols not allowed in MH_DYLIB files
874	lt_cv_prog_cc_pic='-fno-common'
875	;;
876	cygwin* \| mingw* \| pw32* \| os2*)
877	# This hack is so that the source file can tell whether it is being
878	# built for inclusion in a dll (and should export symbols for example).
879	lt_cv_prog_cc_pic='-DDLL_EXPORT'
880	;;
881	sysv4MP)
882	if test -d /usr/nec; then
883	lt_cv_prog_cc_pic=-Kconform_pic
884	fi
885	;;
886	*)
887	lt_cv_prog_cc_pic='-fPIC'
888	;;
889	esac
890	else
891	# PORTME Check for PIC flags for the system compiler.
892	case $host_os in
893	aix3* \| aix4* \| aix5*)
894	lt_cv_prog_cc_wl='-Wl,'
895	# All AIX code is PIC.
896	if test "$host_cpu" = ia64; then
897	# AIX 5 now supports IA64 processor
898	lt_cv_prog_cc_static='-Bstatic'
899	else
900	lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
901	fi
902	;;
903
904	hpux9* \| hpux10* \| hpux11*)
905	# Is there a better lt_cv_prog_cc_static that works with the bundled CC?
906	lt_cv_prog_cc_wl='-Wl,'
907	lt_cv_prog_cc_static="${lt_cv_prog_cc_wl}-a ${lt_cv_prog_cc_wl}archive"
908	lt_cv_prog_cc_pic='+Z'
909	;;
910
911	irix5* \| irix6*)
912	lt_cv_prog_cc_wl='-Wl,'
913	lt_cv_prog_cc_static='-non_shared'
914	# PIC (with -KPIC) is the default.
915	;;
916
917	cygwin* \| mingw* \| pw32* \| os2*)
918	# This hack is so that the source file can tell whether it is being
919	# built for inclusion in a dll (and should export symbols for example).
920	lt_cv_prog_cc_pic='-DDLL_EXPORT'
921	;;
922
923	newsos6)
924	lt_cv_prog_cc_pic='-KPIC'
925	lt_cv_prog_cc_static='-Bstatic'
926	;;
927
928	osf3* \| osf4* \| osf5*)
929	# All OSF/1 code is PIC.
930	lt_cv_prog_cc_wl='-Wl,'
931	lt_cv_prog_cc_static='-non_shared'
932	;;
933
934	sco3.2v5*)
935	lt_cv_prog_cc_pic='-Kpic'
936	lt_cv_prog_cc_static='-dn'
937	lt_cv_prog_cc_shlib='-belf'
938	;;
939
940	solaris*)
941	lt_cv_prog_cc_pic='-KPIC'
942	lt_cv_prog_cc_static='-Bstatic'
943	lt_cv_prog_cc_wl='-Wl,'
944	;;
945
946	sunos4*)
947	lt_cv_prog_cc_pic='-PIC'
948	lt_cv_prog_cc_static='-Bstatic'
949	lt_cv_prog_cc_wl='-Qoption ld '
950	;;
951
952	sysv4 \| sysv4.2uw2* \| sysv4.3* \| sysv5*)
953	lt_cv_prog_cc_pic='-KPIC'
954	lt_cv_prog_cc_static='-Bstatic'
955	if test "x$host_vendor" = xsni; then
956	lt_cv_prog_cc_wl='-LD'
957	else
958	lt_cv_prog_cc_wl='-Wl,'
959	fi
960	;;
961
962	uts4*)
963	lt_cv_prog_cc_pic='-pic'
964	lt_cv_prog_cc_static='-Bstatic'
965	;;
966
967	sysv4MP)
968	if test -d /usr/nec ;then
969	lt_cv_prog_cc_pic='-Kconform_pic'
970	lt_cv_prog_cc_static='-Bstatic'
971	fi
972	;;
973
974	*)
975	lt_cv_prog_cc_can_build_shared=no
976	;;
977	esac
978	fi
979	])
980	if test -z "$lt_cv_prog_cc_pic"; then
981	AC_MSG_RESULT([none])
982	else
983	AC_MSG_RESULT([$lt_cv_prog_cc_pic])
984
985	# Check to make sure the pic_flag actually works.
986	AC_MSG_CHECKING([if $compiler PIC flag $lt_cv_prog_cc_pic works])
987	AC_CACHE_VAL(lt_cv_prog_cc_pic_works, [dnl
988	save_CFLAGS="$CFLAGS"
989	CFLAGS="$CFLAGS $lt_cv_prog_cc_pic -DPIC"
990	AC_TRY_COMPILE([], [], [dnl
991	case $host_os in
992	hpux9* \| hpux10* \| hpux11*)
993	# On HP-UX, both CC and GCC only warn that PIC is supported... then
994	# they create non-PIC objects. So, if there were any warnings, we
995	# assume that PIC is not supported.
996	if test -s conftest.err; then
997	lt_cv_prog_cc_pic_works=no
998	else
999	lt_cv_prog_cc_pic_works=yes
1000	fi
1001	;;
1002	*)
1003	lt_cv_prog_cc_pic_works=yes
1004	;;
1005	esac
1006	], [dnl
1007	lt_cv_prog_cc_pic_works=no
1008	])
1009	CFLAGS="$save_CFLAGS"
1010	])
1011
1012	if test "X$lt_cv_prog_cc_pic_works" = Xno; then
1013	lt_cv_prog_cc_pic=
1014	lt_cv_prog_cc_can_build_shared=no
1015	else
1016	lt_cv_prog_cc_pic=" $lt_cv_prog_cc_pic"
1017	fi
1018
1019	AC_MSG_RESULT([$lt_cv_prog_cc_pic_works])
1020	fi
1021	##
1022	## END FIXME
1023
1024	# Check for any special shared library compilation flags.
1025	if test -n "$lt_cv_prog_cc_shlib"; then
1026	AC_MSG_WARN([\`$CC' requires \`$lt_cv_prog_cc_shlib' to build shared libraries])
1027	if echo "$old_CC $old_CFLAGS " \| egrep -e "[[ ]]$lt_cv_prog_cc_shlib[[ ]]" >/dev/null; then :
1028	else
1029	AC_MSG_WARN([add \`$lt_cv_prog_cc_shlib' to the CC or CFLAGS env variable and reconfigure])
1030	lt_cv_prog_cc_can_build_shared=no
1031	fi
1032	fi
1033
1034	## FIXME: this should be a separate macro
1035	##
1036	AC_MSG_CHECKING([if $compiler static flag $lt_cv_prog_cc_static works])
1037	AC_CACHE_VAL([lt_cv_prog_cc_static_works], [dnl
1038	lt_cv_prog_cc_static_works=no
1039	save_LDFLAGS="$LDFLAGS"
1040	LDFLAGS="$LDFLAGS $lt_cv_prog_cc_static"
1041	AC_TRY_LINK([], [], [lt_cv_prog_cc_static_works=yes])
1042	LDFLAGS="$save_LDFLAGS"
1043	])
1044
1045	# Belt and braces to stop my trousers falling down:
1046	test "X$lt_cv_prog_cc_static_works" = Xno && lt_cv_prog_cc_static=
1047	AC_MSG_RESULT([$lt_cv_prog_cc_static_works])
1048
1049	pic_flag="$lt_cv_prog_cc_pic"
1050	special_shlib_compile_flags="$lt_cv_prog_cc_shlib"
1051	wl="$lt_cv_prog_cc_wl"
1052	link_static_flag="$lt_cv_prog_cc_static"
1053	no_builtin_flag="$lt_cv_prog_cc_no_builtin"
1054	can_build_shared="$lt_cv_prog_cc_can_build_shared"
1055	##
1056	## END FIXME
1057
1058
1059	## FIXME: this should be a separate macro
1060	##
1061	# Check to see if options -o and -c are simultaneously supported by compiler
1062	AC_MSG_CHECKING([if $compiler supports -c -o file.$ac_objext])
1063	AC_CACHE_VAL([lt_cv_compiler_c_o], [
1064	$rm -r conftest 2>/dev/null
1065	mkdir conftest
1066	cd conftest
1067	echo "int some_variable = 0;" > conftest.$ac_ext
1068	mkdir out
1069	# According to Tom Tromey, Ian Lance Taylor reported there are C compilers
1070	# that will create temporary files in the current directory regardless of
1071	# the output directory. Thus, making CWD read-only will cause this test
1072	# to fail, enabling locking or at least warning the user not to do parallel
1073	# builds.
1074	chmod -w .
1075	save_CFLAGS="$CFLAGS"
1076	CFLAGS="$CFLAGS -o out/conftest2.$ac_objext"
1077	compiler_c_o=no
1078	if { (eval echo configure:__oline__: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.$ac_objext; then
1079	# The compiler can only warn and ignore the option if not recognized
1080	# So say no if there are warnings
1081	if test -s out/conftest.err; then
1082	lt_cv_compiler_c_o=no
1083	else
1084	lt_cv_compiler_c_o=yes
1085	fi
1086	else
1087	# Append any errors to the config.log.
1088	cat out/conftest.err 1>&AC_FD_CC
1089	lt_cv_compiler_c_o=no
1090	fi
1091	CFLAGS="$save_CFLAGS"
1092	chmod u+w .
1093	$rm conftest* out/*
1094	rmdir out
1095	cd ..
1096	rmdir conftest
1097	$rm -r conftest 2>/dev/null
1098	])
1099	compiler_c_o=$lt_cv_compiler_c_o
1100	AC_MSG_RESULT([$compiler_c_o])
1101
1102	if test x"$compiler_c_o" = x"yes"; then
1103	# Check to see if we can write to a .lo
1104	AC_MSG_CHECKING([if $compiler supports -c -o file.lo])
1105	AC_CACHE_VAL([lt_cv_compiler_o_lo], [
1106	lt_cv_compiler_o_lo=no
1107	save_CFLAGS="$CFLAGS"
1108	CFLAGS="$CFLAGS -c -o conftest.lo"
1109	save_objext="$ac_objext"
1110	ac_objext=lo
1111	AC_TRY_COMPILE([], [int some_variable = 0;], [dnl
1112	# The compiler can only warn and ignore the option if not recognized
1113	# So say no if there are warnings
1114	if test -s conftest.err; then
1115	lt_cv_compiler_o_lo=no
1116	else
1117	lt_cv_compiler_o_lo=yes
1118	fi
1119	])
1120	ac_objext="$save_objext"
1121	CFLAGS="$save_CFLAGS"
1122	])
1123	compiler_o_lo=$lt_cv_compiler_o_lo
1124	AC_MSG_RESULT([$compiler_o_lo])
1125	else
1126	compiler_o_lo=no
1127	fi
1128	##
1129	## END FIXME
1130
1131	## FIXME: this should be a separate macro
1132	##
1133	# Check to see if we can do hard links to lock some files if needed
1134	hard_links="nottested"
1135	if test "$compiler_c_o" = no && test "$need_locks" != no; then
1136	# do not overwrite the value of need_locks provided by the user
1137	AC_MSG_CHECKING([if we can lock with hard links])
1138	hard_links=yes
1139	$rm conftest*
1140	ln conftest.a conftest.b 2>/dev/null && hard_links=no
1141	touch conftest.a
1142	ln conftest.a conftest.b 2>&5 \|\| hard_links=no
1143	ln conftest.a conftest.b 2>/dev/null && hard_links=no
1144	AC_MSG_RESULT([$hard_links])
1145	if test "$hard_links" = no; then
1146	AC_MSG_WARN([\`$CC' does not support \`-c -o', so \`make -j' may be unsafe])
1147	need_locks=warn
1148	fi
1149	else
1150	need_locks=no
1151	fi
1152	##
1153	## END FIXME
1154
1155	## FIXME: this should be a separate macro
1156	##
1157	if test "$GCC" = yes; then
1158	# Check to see if options -fno-rtti -fno-exceptions are supported by compiler
1159	AC_MSG_CHECKING([if $compiler supports -fno-rtti -fno-exceptions])
1160	echo "int some_variable = 0;" > conftest.$ac_ext
1161	save_CFLAGS="$CFLAGS"
1162	CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.$ac_ext"
1163	compiler_rtti_exceptions=no
1164	AC_TRY_COMPILE([], [int some_variable = 0;], [dnl
1165	# The compiler can only warn and ignore the option if not recognized
1166	# So say no if there are warnings
1167	if test -s conftest.err; then
1168	compiler_rtti_exceptions=no
1169	else
1170	compiler_rtti_exceptions=yes
1171	fi
1172	])
1173	CFLAGS="$save_CFLAGS"
1174	AC_MSG_RESULT([$compiler_rtti_exceptions])
1175
1176	if test "$compiler_rtti_exceptions" = "yes"; then
1177	no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
1178	else
1179	no_builtin_flag=' -fno-builtin'
1180	fi
1181	fi
1182	##
1183	## END FIXME
1184
1185	## FIXME: this should be a separate macro
1186	##
1187	# See if the linker supports building shared libraries.
1188	AC_MSG_CHECKING([whether the linker ($LD) supports shared libraries])
1189
1190	allow_undefined_flag=
1191	no_undefined_flag=
1192	need_lib_prefix=unknown
1193	need_version=unknown
1194	# when you set need_version to no, make sure it does not cause -set_version
1195	# flags to be left without arguments
1196	archive_cmds=
1197	archive_expsym_cmds=
1198	old_archive_from_new_cmds=
1199	old_archive_from_expsyms_cmds=
1200	export_dynamic_flag_spec=
1201	whole_archive_flag_spec=
1202	thread_safe_flag_spec=
1203	hardcode_into_libs=no
1204	hardcode_libdir_flag_spec=
1205	hardcode_libdir_separator=
1206	hardcode_direct=no
1207	hardcode_minus_L=no
1208	hardcode_shlibpath_var=unsupported
1209	runpath_var=
1210	link_all_deplibs=unknown
1211	always_export_symbols=no
1212	export_symbols_cmds='$NM $libobjs $convenience \| $global_symbol_pipe \| sed '\''s/.* //'\'' \| sort \| uniq > $export_symbols'
1213	# include_expsyms should be a list of space-separated symbols to be always
1214	# included in the symbol list
1215	include_expsyms=
1216	# exclude_expsyms can be an egrep regular expression of symbols to exclude
1217	# it will be wrapped by ` (' and `)$', so one must not match beginning or
1218	# end of line. Example: `a\|bc\|.d.' will exclude the symbols `a' and `bc',
1219	# as well as any symbol that contains `d'.
1220	exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
1221	# Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
1222	# platforms (ab)use it in PIC code, but their linkers get confused if
1223	# the symbol is explicitly referenced. Since portable code cannot
1224	# rely on this symbol name, it's probably fine to never include it in
1225	# preloaded symbol tables.
1226	extract_expsyms_cmds=
1227
1228	case $host_os in
1229	cygwin* \| mingw* \| pw32*)
1230	# FIXME: the MSVC++ port hasn't been tested in a loooong time
1231	# When not using gcc, we currently assume that we are using
1232	# Microsoft Visual C++.
1233	if test "$GCC" != yes; then
1234	with_gnu_ld=no
1235	fi
1236	;;
1237	openbsd*)
1238	with_gnu_ld=no
1239	;;
1240	esac
1241
1242	ld_shlibs=yes
1243	if test "$with_gnu_ld" = yes; then
1244	# If archive_cmds runs LD, not CC, wlarc should be empty
1245	wlarc='${wl}'
1246
1247	# See if GNU ld supports shared libraries.
1248	case $host_os in
1249	aix3* \| aix4* \| aix5*)
1250	# On AIX, the GNU linker is very broken
1251	# Note:Check GNU linker on AIX 5-IA64 when/if it becomes available.
1252	ld_shlibs=no
1253	cat <<EOF 1>&2
1254
1255	*** Warning: the GNU linker, at least up to release 2.9.1, is reported
1256	*** to be unable to reliably create shared libraries on AIX.
1257	*** Therefore, libtool is disabling shared libraries support. If you
1258	*** really care for shared libraries, you may want to modify your PATH
1259	*** so that a non-GNU linker is found, and then restart.
1260
1261	EOF
1262	;;
1263
1264	amigaos*)
1265	archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
1266	hardcode_libdir_flag_spec='-L$libdir'
1267	hardcode_minus_L=yes
1268
1269	# Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
1270	# that the semantics of dynamic libraries on AmigaOS, at least up
1271	# to version 4, is to share data among multiple programs linked
1272	# with the same dynamic library. Since this doesn't match the
1273	# behavior of shared libraries on other platforms, we can use
1274	# them.
1275	ld_shlibs=no
1276	;;
1277
1278	beos*)
1279	if $LD --help 2>&1 \| egrep ': supported targets:.* elf' > /dev/null; then
1280	allow_undefined_flag=unsupported
1281	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
1282	# support --undefined. This deserves some investigation. FIXME
1283	archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
1284	else
1285	ld_shlibs=no
1286	fi
1287	;;
1288
1289	cygwin* \| mingw* \| pw32*)
1290	# hardcode_libdir_flag_spec is actually meaningless, as there is
1291	# no search path for DLLs.
1292	hardcode_libdir_flag_spec='-L$libdir'
1293	allow_undefined_flag=unsupported
1294	always_export_symbols=yes
1295
1296	extract_expsyms_cmds='test -f $output_objdir/impgen.c \|\| \
1297	sed -e "/^# \/\* impgen\.c starts here \\//,/^# \/\ impgen.c ends here \\// { s/^# //;s/^# $//; p; }" -e d < $''0 > $output_objdir/impgen.c~
1298	test -f $output_objdir/impgen.exe \|\| (cd $output_objdir && \
1299	if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \
1300	else $CC -o impgen impgen.c ; fi)~
1301	$output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def'
1302
1303	old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'
1304
1305	# cygwin and mingw dlls have different entry points and sets of symbols
1306	# to exclude.
1307	# FIXME: what about values for MSVC?
1308	dll_entry=__cygwin_dll_entry@12
1309	dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~
1310	case $host_os in
1311	mingw*)
1312	# mingw values
1313	dll_entry=_DllMainCRTStartup@12
1314	dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~
1315	;;
1316	esac
1317
1318	# mingw and cygwin differ, and it's simplest to just exclude the union
1319	# of the two symbol sets.
1320	dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12
1321
1322	# recent cygwin and mingw systems supply a stub DllMain which the user
1323	# can override, but on older systems we have to supply one (in ltdll.c)
1324	if test "x$lt_cv_need_dllmain" = "xyes"; then
1325	ltdll_obj='$output_objdir/$soname-ltdll.'"$ac_objext "
1326	ltdll_cmds='test -f $output_objdir/$soname-ltdll.c \|\| sed -e "/^# \/\* ltdll\.c starts here \\//,/^# \/\ ltdll.c ends here \*\// { s/^# //; p; }" -e d < $''0 > $output_objdir/$soname-ltdll.c~
1327	test -f $output_objdir/$soname-ltdll.$ac_objext \|\| (cd $output_objdir && $CC -c $soname-ltdll.c)~'
1328	else
1329	ltdll_obj=
1330	ltdll_cmds=
1331	fi
1332
1333	# Extract the symbol export list from an `--export-all' def file,
1334	# then regenerate the def file from the symbol export list, so that
1335	# the compiled dll only exports the symbol export list.
1336	# Be careful not to strip the DATA tag left be newer dlltools.
1337	export_symbols_cmds="$ltdll_cmds"'
1338	$DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~
1339	sed -e "1,/EXPORTS/d" -e "s/ @ [[0-9]]//" -e "s/ ;.*$//" < $output_objdir/$soname-def > $export_symbols'
1340
1341	# If the export-symbols file already is a .def file (1st line
1342	# is EXPORTS), use it as is.
1343	# If DATA tags from a recent dlltool are present, honour them!
1344	archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then
1345	cp $export_symbols $output_objdir/$soname-def;
1346	else
1347	echo EXPORTS > $output_objdir/$soname-def;
1348	_lt_hint=1;
1349	cat $export_symbols \| while read symbol; do
1350	set dummy \$symbol;
1351	case \[$]# in
1352	2) echo " \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
1353	*) echo " \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;;
1354	esac;
1355	_lt_hint=`expr 1 + \$_lt_hint`;
1356	done;
1357	fi~
1358	'"$ltdll_cmds"'
1359	$CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
1360	$DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~
1361	$CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
1362	$DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~
1363	$CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags'
1364	;;
1365
1366	netbsd*)
1367	if echo __ELF__ \| $CC -E - \| grep __ELF__ >/dev/null; then
1368	archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
1369	wlarc=
1370	else
1371	archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
1372	archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1373	fi
1374	;;
1375
1376	solaris* \| sysv5*)
1377	if $LD -v 2>&1 \| egrep 'BFD 2\.8' > /dev/null; then
1378	ld_shlibs=no
1379	cat <<EOF 1>&2
1380
1381	*** Warning: The releases 2.8.* of the GNU linker cannot reliably
1382	*** create shared libraries on Solaris systems. Therefore, libtool
1383	*** is disabling shared libraries support. We urge you to upgrade GNU
1384	*** binutils to release 2.9.1 or newer. Another option is to modify
1385	*** your PATH or compiler configuration so that the native linker is
1386	*** used, and then restart.
1387
1388	EOF
1389	elif $LD --help 2>&1 \| egrep ': supported targets:.* elf' > /dev/null; then
1390	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
1391	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1392	else
1393	ld_shlibs=no
1394	fi
1395	;;
1396
1397	sunos4*)
1398	archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
1399	wlarc=
1400	hardcode_direct=yes
1401	hardcode_shlibpath_var=no
1402	;;
1403
1404	*)
1405	if $LD --help 2>&1 \| egrep ': supported targets:.* elf' > /dev/null; then
1406	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
1407	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1408	else
1409	ld_shlibs=no
1410	fi
1411	;;
1412	esac
1413
1414	if test "$ld_shlibs" = yes; then
1415	runpath_var=LD_RUN_PATH
1416	hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
1417	export_dynamic_flag_spec='${wl}--export-dynamic'
1418	case $host_os in
1419	cygwin* \| mingw* \| pw32*)
1420	# dlltool doesn't understand --whole-archive et. al.
1421	whole_archive_flag_spec=
1422	;;
1423	*)
1424	# ancient GNU ld didn't support --whole-archive et. al.
1425	if $LD --help 2>&1 \| egrep 'no-whole-archive' > /dev/null; then
1426	whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
1427	else
1428	whole_archive_flag_spec=
1429	fi
1430	;;
1431	esac
1432	fi
1433	else
1434	# PORTME fill in a description of your system's linker (not GNU ld)
1435	case $host_os in
1436	aix3*)
1437	allow_undefined_flag=unsupported
1438	always_export_symbols=yes
1439	archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
1440	# Note: this linker hardcodes the directories in LIBPATH if there
1441	# are no directories specified by -L.
1442	hardcode_minus_L=yes
1443	if test "$GCC" = yes && test -z "$link_static_flag"; then
1444	# Neither direct hardcoding nor static linking is supported with a
1445	# broken collect2.
1446	hardcode_direct=unsupported
1447	fi
1448	;;
1449
1450	aix4* \| aix5*)
1451	if test "$host_cpu" = ia64; then
1452	# On IA64, the linker does run time linking by default, so we don't
1453	# have to do anything special.
1454	aix_use_runtimelinking=no
1455	exp_sym_flag='-Bexport'
1456	no_entry_flag=""
1457	else
1458	aix_use_runtimelinking=no
1459
1460	# Test if we are trying to use run time linking or normal
1461	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
1462	# need to do runtime linking.
1463	case $host_os in aix4.[[23]]\|aix4.[[23]].\|aix5)
1464	for ld_flag in $LDFLAGS; do
1465	if (test $ld_flag = "-brtl" \|\| test $ld_flag = "-Wl,-brtl"); then
1466	aix_use_runtimelinking=yes
1467	break
1468	fi
1469	done
1470	esac
1471
1472	exp_sym_flag='-bexport'
1473	no_entry_flag='-bnoentry'
1474	fi
1475
1476	# When large executables or shared objects are built, AIX ld can
1477	# have problems creating the table of contents. If linking a library
1478	# or program results in "error TOC overflow" add -mminimal-toc to
1479	# CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
1480	# enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
1481
1482	hardcode_direct=yes
1483	archive_cmds=''
1484	hardcode_libdir_separator=':'
1485	if test "$GCC" = yes; then
1486	case $host_os in aix4.[[012]]\|aix4.[[012]].*)
1487	collect2name=`${CC} -print-prog-name=collect2`
1488	if test -f "$collect2name" && \
1489	strings "$collect2name" \| grep resolve_lib_name >/dev/null
1490	then
1491	# We have reworked collect2
1492	hardcode_direct=yes
1493	else
1494	# We have old collect2
1495	hardcode_direct=unsupported
1496	# It fails to find uninstalled libraries when the uninstalled
1497	# path is not listed in the libpath. Setting hardcode_minus_L
1498	# to unsupported forces relinking
1499	hardcode_minus_L=yes
1500	hardcode_libdir_flag_spec='-L$libdir'
1501	hardcode_libdir_separator=
1502	fi
1503	esac
1504
1505	shared_flag='-shared'
1506	else
1507	# not using gcc
1508	if test "$host_cpu" = ia64; then
1509	shared_flag='${wl}-G'
1510	else
1511	if test "$aix_use_runtimelinking" = yes; then
1512	shared_flag='${wl}-G'
1513	else
1514	shared_flag='${wl}-bM:SRE'
1515	fi
1516	fi
1517	fi
1518
1519	# It seems that -bexpall can do strange things, so it is better to
1520	# generate a list of symbols to export.
1521	always_export_symbols=yes
1522	if test "$aix_use_runtimelinking" = yes; then
1523	# Warning - without using the other runtime loading flags (-brtl),
1524	# -berok will link without error, but may produce a broken library.
1525	allow_undefined_flag='-berok'
1526	hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
1527	archive_expsym_cmds="\$CC"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols $shared_flag"
1528	else
1529	if test "$host_cpu" = ia64; then
1530	hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
1531	allow_undefined_flag="-z nodefs"
1532	archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname ${wl}-h$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
1533	else
1534	hardcode_libdir_flag_spec='${wl}-bnolibpath ${wl}-blibpath:$libdir:/usr/lib:/lib'
1535	# Warning - without using the other run time loading flags,
1536	# -berok will link without error, but may produce a broken library.
1537	allow_undefined_flag='${wl}-berok'
1538	# This is a bit strange, but is similar to how AIX traditionally builds
1539	# it's shared libraries.
1540	archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"' ~$AR -crlo $objdir/$libname$release.a $objdir/$soname'
1541	fi
1542	fi
1543	;;
1544
1545	amigaos*)
1546	archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
1547	hardcode_libdir_flag_spec='-L$libdir'
1548	hardcode_minus_L=yes
1549	# see comment about different semantics on the GNU ld section
1550	ld_shlibs=no
1551	;;
1552
1553	cygwin* \| mingw* \| pw32*)
1554	# When not using gcc, we currently assume that we are using
1555	# Microsoft Visual C++.
1556	# hardcode_libdir_flag_spec is actually meaningless, as there is
1557	# no search path for DLLs.
1558	hardcode_libdir_flag_spec=' '
1559	allow_undefined_flag=unsupported
1560	# Tell ltmain to make .lib files, not .a files.
1561	libext=lib
1562	# FIXME: Setting linknames here is a bad hack.
1563	archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" \| sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1564	# The linker will automatically build a .lib file if we build a DLL.
1565	old_archive_from_new_cmds='true'
1566	# FIXME: Should let the user specify the lib program.
1567	old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
1568	fix_srcfile_path='`cygpath -w "$srcfile"`'
1569	;;
1570
1571	darwin* \| rhapsody*)
1572	case "$host_os" in
1573	rhapsody* \| darwin1.[[012]])
1574	allow_undefined_flag='-undefined suppress'
1575	;;
1576	*) # Darwin 1.3 on
1577	allow_undefined_flag='-flat_namespace -undefined suppress'
1578	;;
1579	esac
1580	# FIXME: Relying on posixy $() will cause problems for
1581	# cross-compilation, but unfortunately the echo tests do not
1582	# yet detect zsh echo's removal of \ escapes.
1583	archive_cmds='$nonopt $(test "x$module" = xyes && echo -bundle \|\| echo -dynamiclib) $allow_undefined_flag -o $lib $libobjs $deplibs$linker_flags -install_name $rpath/$soname $verstring'
1584	# We need to add '_' to the symbols in $export_symbols first
1585	#archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols'
1586	hardcode_direct=yes
1587	hardcode_shlibpath_var=no
1588	whole_archive_flag_spec='-all_load $convenience'
1589	;;
1590
1591	freebsd1*)
1592	ld_shlibs=no
1593	;;
1594
1595	# FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1596	# support. Future versions do this automatically, but an explicit c++rt0.o
1597	# does not break anything, and helps significantly (at the cost of a little
1598	# extra space).
1599	freebsd2.2*)
1600	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
1601	hardcode_libdir_flag_spec='-R$libdir'
1602	hardcode_direct=yes
1603	hardcode_shlibpath_var=no
1604	;;
1605
1606	# Unfortunately, older versions of FreeBSD 2 do not have this feature.
1607	freebsd2*)
1608	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
1609	hardcode_direct=yes
1610	hardcode_minus_L=yes
1611	hardcode_shlibpath_var=no
1612	;;
1613
1614	# FreeBSD 3 and greater uses gcc -shared to do shared libraries.
1615	freebsd*)
1616	archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
1617	hardcode_libdir_flag_spec='-R$libdir'
1618	hardcode_direct=yes
1619	hardcode_shlibpath_var=no
1620	;;
1621
1622	hpux9* \| hpux10* \| hpux11*)
1623	case $host_os in
1624	hpux9*) archive_cmds='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib \|\| mv $output_objdir/$soname $lib' ;;
1625	*) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
1626	esac
1627	hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1628	hardcode_libdir_separator=:
1629	hardcode_direct=yes
1630	hardcode_minus_L=yes # Not in the search PATH, but as the default
1631	# location of the library.
1632	export_dynamic_flag_spec='${wl}-E'
1633	;;
1634
1635	irix5* \| irix6*)
1636	if test "$GCC" = yes; then
1637	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
1638	else
1639	archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
1640	fi
1641	hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1642	hardcode_libdir_separator=:
1643	link_all_deplibs=yes
1644	;;
1645
1646	netbsd*)
1647	if echo __ELF__ \| $CC -E - \| grep __ELF__ >/dev/null; then
1648	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
1649	else
1650	archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
1651	fi
1652	hardcode_libdir_flag_spec='-R$libdir'
1653	hardcode_direct=yes
1654	hardcode_shlibpath_var=no
1655	;;
1656
1657	newsos6)
1658	archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1659	hardcode_direct=yes
1660	hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1661	hardcode_libdir_separator=:
1662	hardcode_shlibpath_var=no
1663	;;
1664
1665	openbsd*)
1666	hardcode_direct=yes
1667	hardcode_shlibpath_var=no
1668	if test -z "`echo __ELF__ \| $CC -E - \| grep __ELF__`" \|\| test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
1669	archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linker_flags'
1670	hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
1671	export_dynamic_flag_spec='${wl}-E'
1672	else
1673	case "$host_os" in
1674	openbsd[[01]].* \| openbsd2.[[0-7]] \| openbsd2.[[0-7]].*)
1675	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
1676	hardcode_libdir_flag_spec='-R$libdir'
1677	;;
1678	*)
1679	archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linker_flags'
1680	hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
1681	;;
1682	esac
1683	fi
1684	;;
1685
1686	os2*)
1687	hardcode_libdir_flag_spec='-L$libdir'
1688	hardcode_minus_L=yes
1689	allow_undefined_flag=unsupported
1690	archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
1691	old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
1692	;;
1693
1694	osf3*)
1695	if test "$GCC" = yes; then
1696	allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1697	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
1698	else
1699	allow_undefined_flag=' -expect_unresolved \*'
1700	archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
1701	fi
1702	hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1703	hardcode_libdir_separator=:
1704	;;
1705
1706	osf4* \| osf5) # as osf3 with the addition of -msym flag
1707	if test "$GCC" = yes; then
1708	allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1709	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
1710	hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1711	else
1712	allow_undefined_flag=' -expect_unresolved \*'
1713	archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
1714	archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
1715	$LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib~$rm $lib.exp'
1716
1717	#Both c and cxx compiler support -rpath directly
1718	hardcode_libdir_flag_spec='-rpath $libdir'
1719	fi
1720	hardcode_libdir_separator=:
1721	;;
1722
1723	sco3.2v5*)
1724	archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1725	hardcode_shlibpath_var=no
1726	runpath_var=LD_RUN_PATH
1727	hardcode_runpath_var=yes
1728	export_dynamic_flag_spec='${wl}-Bexport'
1729	;;
1730
1731	solaris*)
1732	# gcc --version < 3.0 without binutils cannot create self contained
1733	# shared libraries reliably, requiring libgcc.a to resolve some of
1734	# the object symbols generated in some cases. Libraries that use
1735	# assert need libgcc.a to resolve __eprintf, for example. Linking
1736	# a copy of libgcc.a into every shared library to guarantee resolving
1737	# such symbols causes other problems: According to Tim Van Holder
1738	# <tim.van.holder@pandora.be>, C++ libraries end up with a separate
1739	# (to the application) exception stack for one thing.
1740	no_undefined_flag=' -z defs'
1741	if test "$GCC" = yes; then
1742	case `$CC --version 2>/dev/null` in
1743	[[12]].*)
1744	cat <<EOF 1>&2
1745
1746	*** Warning: Releases of GCC earlier than version 3.0 cannot reliably
1747	*** create self contained shared libraries on Solaris systems, without
1748	*** introducing a dependency on libgcc.a. Therefore, libtool is disabling
1749	*** -no-undefined support, which will at least allow you to build shared
1750	*** libraries. However, you may find that when you link such libraries
1751	*** into an application without using GCC, you have to manually add
1752	*** \`gcc --print-libgcc-file-name\` to the link command. We urge you to
1753	*** upgrade to a newer version of GCC. Another option is to rebuild your
1754	*** current GCC to use the GNU linker from GNU binutils 2.9.1 or newer.
1755
1756	EOF
1757	no_undefined_flag=
1758	;;
1759	esac
1760	fi
1761	# $CC -shared without GNU ld will not create a library from C++
1762	# object files and a static libstdc++, better avoid it by now
1763	archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
1764	archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols \| sed -e "s/$.$/\1;/" >> $lib.exp~$echo "local: ; };" >> $lib.exp~
1765	$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
1766	hardcode_libdir_flag_spec='-R$libdir'
1767	hardcode_shlibpath_var=no
1768	case $host_os in
1769	solaris2.[[0-5]] \| solaris2.[[0-5]].*) ;;
1770	*) # Supported since Solaris 2.6 (maybe 2.5.1?)
1771	whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
1772	esac
1773	link_all_deplibs=yes
1774	;;
1775
1776	sunos4*)
1777	if test "x$host_vendor" = xsequent; then
1778	# Use $CC to link under sequent, because it throws in some extra .o
1779	# files that make .init and .fini sections work.
1780	archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
1781	else
1782	archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
1783	fi
1784	hardcode_libdir_flag_spec='-L$libdir'
1785	hardcode_direct=yes
1786	hardcode_minus_L=yes
1787	hardcode_shlibpath_var=no
1788	;;
1789
1790	sysv4)
1791	if test "x$host_vendor" = xsno; then
1792	archive_cmds='$LD -G -Bsymbolic -h $soname -o $lib $libobjs $deplibs $linker_flags'
1793	hardcode_direct=yes # is this really true???
1794	else
1795	archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1796	hardcode_direct=no #Motorola manual says yes, but my tests say they lie
1797	fi
1798	runpath_var='LD_RUN_PATH'
1799	hardcode_shlibpath_var=no
1800	;;
1801
1802	sysv4.3*)
1803	archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1804	hardcode_shlibpath_var=no
1805	export_dynamic_flag_spec='-Bexport'
1806	;;
1807
1808	sysv5*)
1809	no_undefined_flag=' -z text'
1810	# $CC -shared without GNU ld will not create a library from C++
1811	# object files and a static libstdc++, better avoid it by now
1812	archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
1813	archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols \| sed -e "s/$.$/\1;/" >> $lib.exp~$echo "local: ; };" >> $lib.exp~
1814	$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
1815	hardcode_libdir_flag_spec=
1816	hardcode_shlibpath_var=no
1817	runpath_var='LD_RUN_PATH'
1818	;;
1819
1820	uts4*)
1821	archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1822	hardcode_libdir_flag_spec='-L$libdir'
1823	hardcode_shlibpath_var=no
1824	;;
1825
1826	dgux*)
1827	archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1828	hardcode_libdir_flag_spec='-L$libdir'
1829	hardcode_shlibpath_var=no
1830	;;
1831
1832	sysv4MP)
1833	if test -d /usr/nec; then
1834	archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1835	hardcode_shlibpath_var=no
1836	runpath_var=LD_RUN_PATH
1837	hardcode_runpath_var=yes
1838	ld_shlibs=yes
1839	fi
1840	;;
1841
1842	sysv4.2uw2*)
1843	archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
1844	hardcode_direct=yes
1845	hardcode_minus_L=no
1846	hardcode_shlibpath_var=no
1847	hardcode_runpath_var=yes
1848	runpath_var=LD_RUN_PATH
1849	;;
1850
1851	sysv5uw7* \| unixware7*)
1852	no_undefined_flag='${wl}-z ${wl}text'
1853	if test "$GCC" = yes; then
1854	archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
1855	else
1856	archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
1857	fi
1858	runpath_var='LD_RUN_PATH'
1859	hardcode_shlibpath_var=no
1860	;;
1861
1862	*)
1863	ld_shlibs=no
1864	;;
1865	esac
1866	fi
1867	AC_MSG_RESULT([$ld_shlibs])
1868	test "$ld_shlibs" = no && can_build_shared=no
1869	##
1870	## END FIXME
1871
1872	## FIXME: this should be a separate macro
1873	##
1874	# Check hardcoding attributes.
1875	AC_MSG_CHECKING([how to hardcode library paths into programs])
1876	hardcode_action=
1877	if test -n "$hardcode_libdir_flag_spec" \|\| \
1878	test -n "$runpath_var"; then
1879
1880	# We can hardcode non-existant directories.
1881	if test "$hardcode_direct" != no &&
1882	# If the only mechanism to avoid hardcoding is shlibpath_var, we
1883	# have to relink, otherwise we might link with an installed library
1884	# when we should be linking with a yet-to-be-installed one
1885	## test "$hardcode_shlibpath_var" != no &&
1886	test "$hardcode_minus_L" != no; then
1887	# Linking always hardcodes the temporary library directory.
1888	hardcode_action=relink
1889	else
1890	# We can link without hardcoding, and we can hardcode nonexisting dirs.
1891	hardcode_action=immediate
1892	fi
1893	else
1894	# We cannot hardcode anything, or else we can only hardcode existing
1895	# directories.
1896	hardcode_action=unsupported
1897	fi
1898	AC_MSG_RESULT([$hardcode_action])
1899	##
1900	## END FIXME
1901
1902	## FIXME: this should be a separate macro
1903	##
1904	striplib=
1905	old_striplib=
1906	AC_MSG_CHECKING([whether stripping libraries is possible])
1907	if test -n "$STRIP" && $STRIP -V 2>&1 \| grep "GNU strip" >/dev/null; then
1908	test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
1909	test -z "$striplib" && striplib="$STRIP --strip-unneeded"
1910	AC_MSG_RESULT([yes])
1911	else
1912	AC_MSG_RESULT([no])
1913	fi
1914	##
1915	## END FIXME
1916
1917	reload_cmds='$LD$reload_flag -o $output$reload_objs'
1918	test -z "$deplibs_check_method" && deplibs_check_method=unknown
1919
1920	## FIXME: this should be a separate macro
1921	##
1922	# PORTME Fill in your ld.so characteristics
1923	AC_MSG_CHECKING([dynamic linker characteristics])
1924	library_names_spec=
1925	libname_spec='lib$name'
1926	soname_spec=
1927	postinstall_cmds=
1928	postuninstall_cmds=
1929	finish_cmds=
1930	finish_eval=
1931	shlibpath_var=
1932	shlibpath_overrides_runpath=unknown
1933	version_type=none
1934	dynamic_linker="$host_os ld.so"
1935	sys_lib_dlsearch_path_spec="/lib /usr/lib"
1936	sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1937
1938	case $host_os in
1939	aix3*)
1940	version_type=linux
1941	library_names_spec='${libname}${release}.so$versuffix $libname.a'
1942	shlibpath_var=LIBPATH
1943
1944	# AIX has no versioning support, so we append a major version to the name.
1945	soname_spec='${libname}${release}.so$major'
1946	;;
1947
1948	aix4* \| aix5*)
1949	version_type=linux
1950	if test "$host_cpu" = ia64; then
1951	# AIX 5 supports IA64
1952	library_names_spec='${libname}${release}.so$major ${libname}${release}.so$versuffix $libname.so'
1953	shlibpath_var=LD_LIBRARY_PATH
1954	else
1955	# With GCC up to 2.95.x, collect2 would create an import file
1956	# for dependence libraries. The import file would start with
1957	# the line `#! .'. This would cause the generated library to
1958	# depend on `.', always an invalid library. This was fixed in
1959	# development snapshots of GCC prior to 3.0.
1960	case $host_os in
1961	aix4 \| aix4.[[01]] \| aix4.[[01]].*)
1962	if { echo '#if __GNUC__ > 2 \|\| (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
1963	echo ' yes '
1964	echo '#endif'; } \| ${CC} -E - \| grep yes > /dev/null; then
1965	:
1966	else
1967	can_build_shared=no
1968	fi
1969	;;
1970	esac
1971	# AIX (on Power*) has no versioning support, so currently we can
1972	# not hardcode correct soname into executable. Probably we can
1973	# add versioning support to collect2, so additional links can
1974	# be useful in future.
1975	if test "$aix_use_runtimelinking" = yes; then
1976	# If using run time linking (on AIX 4.2 or later) use lib<name>.so
1977	# instead of lib<name>.a to let people know that these are not
1978	# typical AIX shared libraries.
1979	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1980	else
1981	# We preserve .a as extension for shared libraries through AIX4.2
1982	# and later when we are not doing run time linking.
1983	library_names_spec='${libname}${release}.a $libname.a'
1984	soname_spec='${libname}${release}.so$major'
1985	fi
1986	shlibpath_var=LIBPATH
1987	fi
1988	;;
1989
1990	amigaos*)
1991	library_names_spec='$libname.ixlibrary $libname.a'
1992	# Create ${libname}_ixlibrary.a entries in /sys/libs.
1993	finish_eval='for lib in `ls $libdir/.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" \| $Xsed -e '\''s%^./$[[^/]]*$\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "(cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a)"; (cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a) \|\| exit 1; done'
1994	;;
1995
1996	beos*)
1997	library_names_spec='${libname}.so'
1998	dynamic_linker="$host_os ld.so"
1999	shlibpath_var=LIBRARY_PATH
2000	;;
2001
2002	bsdi4*)
2003	version_type=linux
2004	need_version=no
2005	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2006	soname_spec='${libname}${release}.so$major'
2007	finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
2008	shlibpath_var=LD_LIBRARY_PATH
2009	sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
2010	sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
2011	export_dynamic_flag_spec=-rdynamic
2012	# the default ld.so.conf also contains /usr/contrib/lib and
2013	# /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
2014	# libtool to hard-code these into programs
2015	;;
2016
2017	cygwin* \| mingw* \| pw32*)
2018	version_type=windows
2019	need_version=no
2020	need_lib_prefix=no
2021	case $GCC,$host_os in
2022	yes,cygwin*)
2023	library_names_spec='$libname.dll.a'
2024	soname_spec='`echo ${libname} \| sed -e 's/^lib/cyg/'``echo ${release} \| sed -e 's/[[.]]/-/g'`${versuffix}.dll'
2025	postinstall_cmds='dlpath=`bash 2>&1 -c '\''. $dir/${file}i;echo \$dlname'\''`~
2026	dldir=$destdir/`dirname \$dlpath`~
2027	test -d \$dldir \|\| mkdir -p \$dldir~
2028	$install_prog .libs/$dlname \$dldir/$dlname'
2029	postuninstall_cmds='dldll=`bash 2>&1 -c '\''. $file; echo \$dlname'\''`~
2030	dlpath=$dir/\$dldll~
2031	$rm \$dlpath'
2032	;;
2033	yes,mingw*)
2034	library_names_spec='${libname}`echo ${release} \| sed -e 's/[[.]]/-/g'`${versuffix}.dll'
2035	sys_lib_search_path_spec=`$CC -print-search-dirs \| grep "^libraries:" \| sed -e "s/^libraries://" -e "s/;/ /g"`
2036	;;
2037	yes,pw32*)
2038	library_names_spec='`echo ${libname} \| sed -e 's/^lib/pw/'``echo ${release} \| sed -e 's/[.]/-/g'`${versuffix}.dll'
2039	;;
2040	*)
2041	library_names_spec='${libname}`echo ${release} \| sed -e 's/[[.]]/-/g'`${versuffix}.dll $libname.lib'
2042	;;
2043	esac
2044	dynamic_linker='Win32 ld.exe'
2045	# FIXME: first we should search . and the directory the executable is in
2046	shlibpath_var=PATH
2047	;;
2048
2049	darwin* \| rhapsody*)
2050	dynamic_linker="$host_os dyld"
2051	version_type=darwin
2052	need_lib_prefix=no
2053	need_version=no
2054	# FIXME: Relying on posixy $() will cause problems for
2055	# cross-compilation, but unfortunately the echo tests do not
2056	# yet detect zsh echo's removal of \ escapes.
2057	library_names_spec='${libname}${release}${versuffix}.$(test .$module = .yes && echo so \|\| echo dylib) ${libname}${release}${major}.$(test .$module = .yes && echo so \|\| echo dylib) ${libname}.$(test .$module = .yes && echo so \|\| echo dylib)'
2058	soname_spec='${libname}${release}${major}.$(test .$module = .yes && echo so \|\| echo dylib)'
2059	shlibpath_overrides_runpath=yes
2060	shlibpath_var=DYLD_LIBRARY_PATH
2061	;;
2062
2063	freebsd1*)
2064	dynamic_linker=no
2065	;;
2066
2067	freebsd*)
2068	objformat=`test -x /usr/bin/objformat && /usr/bin/objformat \|\| echo aout`
2069	version_type=freebsd-$objformat
2070	case $version_type in
2071	freebsd-elf*)
2072	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
2073	need_version=no
2074	need_lib_prefix=no
2075	;;
2076	freebsd-*)
2077	library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
2078	need_version=yes
2079	;;
2080	esac
2081	shlibpath_var=LD_LIBRARY_PATH
2082	case $host_os in
2083	freebsd2*)
2084	shlibpath_overrides_runpath=yes
2085	;;
2086	*)
2087	shlibpath_overrides_runpath=no
2088	hardcode_into_libs=yes
2089	;;
2090	esac
2091	;;
2092
2093	gnu*)
2094	version_type=linux
2095	need_lib_prefix=no
2096	need_version=no
2097	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so'
2098	soname_spec='${libname}${release}.so$major'
2099	shlibpath_var=LD_LIBRARY_PATH
2100	hardcode_into_libs=yes
2101	;;
2102
2103	hpux9* \| hpux10* \| hpux11*)
2104	# Give a soname corresponding to the major version so that dld.sl refuses to
2105	# link against other versions.
2106	dynamic_linker="$host_os dld.sl"
2107	version_type=sunos
2108	need_lib_prefix=no
2109	need_version=no
2110	shlibpath_var=SHLIB_PATH
2111	shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
2112	library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
2113	soname_spec='${libname}${release}.sl$major'
2114	# HP-UX runs really slowly unless shared libraries are mode 555.
2115	postinstall_cmds='chmod 555 $lib'
2116	;;
2117
2118	irix5* \| irix6*)
2119	version_type=irix
2120	need_lib_prefix=no
2121	need_version=no
2122	soname_spec='${libname}${release}.so$major'
2123	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so $libname.so'
2124	case $host_os in
2125	irix5*)
2126	libsuff= shlibsuff=
2127	;;
2128	*)
2129	case $LD in # libtool.m4 will add one of these switches to LD
2130	-32\|"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
2131	-n32\|"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
2132	-64\|"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
2133	*) libsuff= shlibsuff= libmagic=never-match;;
2134	esac
2135	;;
2136	esac
2137	shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
2138	shlibpath_overrides_runpath=no
2139	sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
2140	sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
2141	;;
2142
2143	# No shared lib support for Linux oldld, aout, or coff.
2144	linux-gnuoldld* \| linux-gnuaout* \| linux-gnucoff*)
2145	dynamic_linker=no
2146	;;
2147
2148	# This must be Linux ELF.
2149	linux-gnu*)
2150	version_type=linux
2151	need_lib_prefix=no
2152	need_version=no
2153	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2154	soname_spec='${libname}${release}.so$major'
2155	finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
2156	shlibpath_var=LD_LIBRARY_PATH
2157	shlibpath_overrides_runpath=no
2158	# This implies no fast_install, which is unacceptable.
2159	# Some rework will be needed to allow for fast_install
2160	# before this can be enabled.
2161	hardcode_into_libs=yes
2162
2163	# We used to test for /lib/ld.so.1 and disable shared libraries on
2164	# powerpc, because MkLinux only supported shared libraries with the
2165	# GNU dynamic linker. Since this was broken with cross compilers,
2166	# most powerpc-linux boxes support dynamic linking these days and
2167	# people can always --disable-shared, the test was removed, and we
2168	# assume the GNU/Linux dynamic linker is in use.
2169	dynamic_linker='GNU/Linux ld.so'
2170	;;
2171
2172	netbsd*)
2173	version_type=sunos
2174	need_lib_prefix=no
2175	need_version=no
2176	if echo __ELF__ \| $CC -E - \| grep __ELF__ >/dev/null; then
2177	library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2178	finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
2179	dynamic_linker='NetBSD (a.out) ld.so'
2180	else
2181	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
2182	soname_spec='${libname}${release}.so$major'
2183	dynamic_linker='NetBSD ld.elf_so'
2184	fi
2185	shlibpath_var=LD_LIBRARY_PATH
2186	shlibpath_overrides_runpath=yes
2187	hardcode_into_libs=yes
2188	;;
2189
2190	newsos6)
2191	version_type=linux
2192	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2193	shlibpath_var=LD_LIBRARY_PATH
2194	shlibpath_overrides_runpath=yes
2195	;;
2196
2197	openbsd*)
2198	version_type=sunos
2199	need_lib_prefix=no
2200	need_version=no
2201	if test -z "`echo __ELF__ \| $CC -E - \| grep __ELF__`" \|\| test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
2202	case "$host_os" in
2203	openbsd2.[[89]] \| openbsd2.[[89]].*)
2204	shlibpath_overrides_runpath=no
2205	;;
2206	*)
2207	shlibpath_overrides_runpath=yes
2208	;;
2209	esac
2210	else
2211	shlibpath_overrides_runpath=yes
2212	fi
2213	library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2214	finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
2215	shlibpath_var=LD_LIBRARY_PATH
2216	;;
2217
2218	os2*)
2219	libname_spec='$name'
2220	need_lib_prefix=no
2221	library_names_spec='$libname.dll $libname.a'
2222	dynamic_linker='OS/2 ld.exe'
2223	shlibpath_var=LIBPATH
2224	;;
2225
2226	osf3* \| osf4* \| osf5*)
2227	version_type=osf
2228	need_version=no
2229	soname_spec='${libname}${release}.so'
2230	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
2231	shlibpath_var=LD_LIBRARY_PATH
2232	sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
2233	sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
2234	;;
2235
2236	sco3.2v5*)
2237	version_type=osf
2238	soname_spec='${libname}${release}.so$major'
2239	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2240	shlibpath_var=LD_LIBRARY_PATH
2241	;;
2242
2243	solaris*)
2244	version_type=linux
2245	need_lib_prefix=no
2246	need_version=no
2247	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2248	soname_spec='${libname}${release}.so$major'
2249	shlibpath_var=LD_LIBRARY_PATH
2250	shlibpath_overrides_runpath=yes
2251	hardcode_into_libs=yes
2252	# ldd complains unless libraries are executable
2253	postinstall_cmds='chmod +x $lib'
2254	;;
2255
2256	sunos4*)
2257	version_type=sunos
2258	library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2259	finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
2260	shlibpath_var=LD_LIBRARY_PATH
2261	shlibpath_overrides_runpath=yes
2262	if test "$with_gnu_ld" = yes; then
2263	need_lib_prefix=no
2264	fi
2265	need_version=yes
2266	;;
2267
2268	sysv4 \| sysv4.2uw2* \| sysv4.3* \| sysv5*)
2269	version_type=linux
2270	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2271	soname_spec='${libname}${release}.so$major'
2272	shlibpath_var=LD_LIBRARY_PATH
2273	case $host_vendor in
2274	sni)
2275	shlibpath_overrides_runpath=no
2276	;;
2277	motorola)
2278	need_lib_prefix=no
2279	need_version=no
2280	shlibpath_overrides_runpath=no
2281	sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
2282	;;
2283	esac
2284	;;
2285
2286	uts4*)
2287	version_type=linux
2288	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2289	soname_spec='${libname}${release}.so$major'
2290	shlibpath_var=LD_LIBRARY_PATH
2291	;;
2292
2293	dgux*)
2294	version_type=linux
2295	need_lib_prefix=no
2296	need_version=no
2297	library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2298	soname_spec='${libname}${release}.so$major'
2299	shlibpath_var=LD_LIBRARY_PATH
2300	;;
2301
2302	sysv4MP)
2303	if test -d /usr/nec ;then
2304	version_type=linux
2305	library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so'
2306	soname_spec='$libname.so.$major'
2307	shlibpath_var=LD_LIBRARY_PATH
2308	fi
2309	;;
2310
2311	*)
2312	dynamic_linker=no
2313	;;
2314	esac
2315	AC_MSG_RESULT([$dynamic_linker])
2316	test "$dynamic_linker" = no && can_build_shared=no
2317	##
2318	## END FIXME
2319
2320	## FIXME: this should be a separate macro
2321	##
2322	# Report the final consequences.
2323	AC_MSG_CHECKING([if libtool supports shared libraries])
2324	AC_MSG_RESULT([$can_build_shared])
2325	##
2326	## END FIXME
2327
2328	## FIXME: this should be a separate macro
2329	##
2330	AC_MSG_CHECKING([whether to build shared libraries])
2331	test "$can_build_shared" = "no" && enable_shared=no
2332
2333	# On AIX, shared libraries and static libraries use the same namespace, and
2334	# are all built from PIC.
2335	case "$host_os" in
2336	aix3*)
2337	test "$enable_shared" = yes && enable_static=no
2338	if test -n "$RANLIB"; then
2339	archive_cmds="$archive_cmds~\$RANLIB \$lib"
2340	postinstall_cmds='$RANLIB $lib'
2341	fi
2342	;;
2343
2344	aix4*)
2345	if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
2346	test "$enable_shared" = yes && enable_static=no
2347	fi
2348	;;
2349	esac
2350	AC_MSG_RESULT([$enable_shared])
2351	##
2352	## END FIXME
2353
2354	## FIXME: this should be a separate macro
2355	##
2356	AC_MSG_CHECKING([whether to build static libraries])
2357	# Make sure either enable_shared or enable_static is yes.
2358	test "$enable_shared" = yes \|\| enable_static=yes
2359	AC_MSG_RESULT([$enable_static])
2360	##
2361	## END FIXME
2362
2363	if test "$hardcode_action" = relink; then
2364	# Fast installation is not supported
2365	enable_fast_install=no
2366	elif test "$shlibpath_overrides_runpath" = yes \|\|
2367	test "$enable_shared" = no; then
2368	# Fast installation is not necessary
2369	enable_fast_install=needless
2370	fi
2371
2372	variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
2373	if test "$GCC" = yes; then
2374	variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
2375	fi
2376
2377	AC_LIBTOOL_DLOPEN_SELF
2378
2379	## FIXME: this should be a separate macro
2380	##
2381	if test "$enable_shared" = yes && test "$GCC" = yes; then
2382	case $archive_cmds in
2383	'~')
2384	# FIXME: we may have to deal with multi-command sequences.
2385	;;
2386	'$CC '*)
2387	# Test whether the compiler implicitly links with -lc since on some
2388	# systems, -lgcc has to come before -lc. If gcc already passes -lc
2389	# to ld, don't add -lc before -lgcc.
2390	AC_MSG_CHECKING([whether -lc should be explicitly linked in])
2391	AC_CACHE_VAL([lt_cv_archive_cmds_need_lc],
2392	[$rm conftest*
2393	echo 'static int dummy;' > conftest.$ac_ext
2394
2395	if AC_TRY_EVAL(ac_compile); then
2396	soname=conftest
2397	lib=conftest
2398	libobjs=conftest.$ac_objext
2399	deplibs=
2400	wl=$lt_cv_prog_cc_wl
2401	compiler_flags=-v
2402	linker_flags=-v
2403	verstring=
2404	output_objdir=.
2405	libname=conftest
2406	save_allow_undefined_flag=$allow_undefined_flag
2407	allow_undefined_flag=
2408	if AC_TRY_EVAL(archive_cmds 2\>\&1 \\| grep \" -lc \" \>/dev/null 2\>\&1)
2409	then
2410	lt_cv_archive_cmds_need_lc=no
2411	else
2412	lt_cv_archive_cmds_need_lc=yes
2413	fi
2414	allow_undefined_flag=$save_allow_undefined_flag
2415	else
2416	cat conftest.err 1>&5
2417	fi])
2418	AC_MSG_RESULT([$lt_cv_archive_cmds_need_lc])
2419	;;
2420	esac
2421	fi
2422	need_lc=${lt_cv_archive_cmds_need_lc-yes}
2423	##
2424	## END FIXME
2425
2426	## FIXME: this should be a separate macro
2427	##
2428	# The second clause should only fire when bootstrapping the
2429	# libtool distribution, otherwise you forgot to ship ltmain.sh
2430	# with your package, and you will get complaints that there are
2431	# no rules to generate ltmain.sh.
2432	if test -f "$ltmain"; then
2433	:
2434	else
2435	# If there is no Makefile yet, we rely on a make rule to execute
2436	# `config.status --recheck' to rerun these tests and create the
2437	# libtool script then.
2438	test -f Makefile && make "$ltmain"
2439	fi
2440
2441	if test -f "$ltmain"; then
2442	trap "$rm \"${ofile}T\"; exit 1" 1 2 15
2443	$rm -f "${ofile}T"
2444
2445	echo creating $ofile
2446
2447	# Now quote all the things that may contain metacharacters while being
2448	# careful not to overquote the AC_SUBSTed values. We take copies of the
2449	# variables and quote the copies for generation of the libtool script.
2450	for var in echo old_CC old_CFLAGS \
2451	AR AR_FLAGS CC LD LN_S NM SHELL \
2452	reload_flag reload_cmds wl \
2453	pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
2454	thread_safe_flag_spec whole_archive_flag_spec libname_spec \
2455	library_names_spec soname_spec \
2456	RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
2457	old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds \
2458	postuninstall_cmds extract_expsyms_cmds old_archive_from_expsyms_cmds \
2459	old_striplib striplib file_magic_cmd export_symbols_cmds \
2460	deplibs_check_method allow_undefined_flag no_undefined_flag \
2461	finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
2462	global_symbol_to_c_name_address \
2463	hardcode_libdir_flag_spec hardcode_libdir_separator \
2464	sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
2465	compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
2466
2467	case $var in
2468	reload_cmds \| old_archive_cmds \| old_archive_from_new_cmds \| \
2469	old_postinstall_cmds \| old_postuninstall_cmds \| \
2470	export_symbols_cmds \| archive_cmds \| archive_expsym_cmds \| \
2471	extract_expsyms_cmds \| old_archive_from_expsyms_cmds \| \
2472	postinstall_cmds \| postuninstall_cmds \| \
2473	finish_cmds \| sys_lib_search_path_spec \| sys_lib_dlsearch_path_spec)
2474	# Double-quote double-evaled strings.
2475	eval "lt_$var=\\\"\`\$echo \"X\$$var\" \| \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
2476	;;
2477	*)
2478	eval "lt_$var=\\\"\`\$echo \"X\$$var\" \| \$Xsed -e \"\$sed_quote_subst\"\`\\\""
2479	;;
2480	esac
2481	done
2482
2483	cat <<__EOF__ > "${ofile}T"
2484	#! $SHELL
2485
2486	# `$echo "$ofile" \| sed 's%^.*/%%'` - Provide generalized library-building support services.
2487	# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2488	# NOTE: Changes made to this file will be lost: look at ltmain.sh.
2489	#
2490	# Copyright (C) 1996-2000 Free Software Foundation, Inc.
2491	# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
2492	#
2493	# This program is free software; you can redistribute it and/or modify
2494	# it under the terms of the GNU General Public License as published by
2495	# the Free Software Foundation; either version 2 of the License, or
2496	# (at your option) any later version.
2497	#
2498	# This program is distributed in the hope that it will be useful, but
2499	# WITHOUT ANY WARRANTY; without even the implied warranty of
2500	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2501	# General Public License for more details.
2502	#
2503	# You should have received a copy of the GNU General Public License
2504	# along with this program; if not, write to the Free Software
2505	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2506	#
2507	# As a special exception to the GNU General Public License, if you
2508	# distribute this file as part of a program that contains a
2509	# configuration script generated by Autoconf, you may include it under
2510	# the same distribution terms that you use for the rest of that program.
2511
2512	# Sed that helps us avoid accidentally triggering echo(1) options like -n.
2513	Xsed="sed -e s/^X//"
2514
2515	# The HP-UX ksh and POSIX shell print the target directory to stdout
2516	# if CDPATH is set.
2517	if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
2518
2519	# ### BEGIN LIBTOOL CONFIG
2520
2521	# Libtool was configured on host `(hostname \|\| uname -n) 2>/dev/null \| sed 1q`:
2522
2523	# Shell to use when invoking shell scripts.
2524	SHELL=$lt_SHELL
2525
2526	# Whether or not to build shared libraries.
2527	build_libtool_libs=$enable_shared
2528
2529	# Whether or not to build static libraries.
2530	build_old_libs=$enable_static
2531
2532	# Whether or not to add -lc for building shared libraries.
2533	build_libtool_need_lc=$need_lc
2534
2535	# Whether or not to optimize for fast installation.
2536	fast_install=$enable_fast_install
2537
2538	# The host system.
2539	host_alias=$host_alias
2540	host=$host
2541
2542	# An echo program that does not interpret backslashes.
2543	echo=$lt_echo
2544
2545	# The archiver.
2546	AR=$lt_AR
2547	AR_FLAGS=$lt_AR_FLAGS
2548
2549	# The default C compiler.
2550	CC=$lt_CC
2551
2552	# Is the compiler the GNU C compiler?
2553	with_gcc=$GCC
2554
2555	# The linker used to build libraries.
2556	LD=$lt_LD
2557
2558	# Whether we need hard or soft links.
2559	LN_S=$lt_LN_S
2560
2561	# A BSD-compatible nm program.
2562	NM=$lt_NM
2563
2564	# A symbol stripping program
2565	STRIP=$STRIP
2566
2567	# Used to examine libraries when file_magic_cmd begins "file"
2568	MAGIC_CMD=$MAGIC_CMD
2569
2570	# Used on cygwin: DLL creation program.
2571	DLLTOOL="$DLLTOOL"
2572
2573	# Used on cygwin: object dumper.
2574	OBJDUMP="$OBJDUMP"
2575
2576	# Used on cygwin: assembler.
2577	AS="$AS"
2578
2579	# The name of the directory that contains temporary libtool files.
2580	objdir=$objdir
2581
2582	# How to create reloadable object files.
2583	reload_flag=$lt_reload_flag
2584	reload_cmds=$lt_reload_cmds
2585
2586	# How to pass a linker flag through the compiler.
2587	wl=$lt_wl
2588
2589	# Object file suffix (normally "o").
2590	objext="$ac_objext"
2591
2592	# Old archive suffix (normally "a").
2593	libext="$libext"
2594
2595	# Executable file suffix (normally "").
2596	exeext="$exeext"
2597
2598	# Additional compiler flags for building library objects.
2599	pic_flag=$lt_pic_flag
2600	pic_mode=$pic_mode
2601
2602	# Does compiler simultaneously support -c and -o options?
2603	compiler_c_o=$lt_compiler_c_o
2604
2605	# Can we write directly to a .lo ?
2606	compiler_o_lo=$lt_compiler_o_lo
2607
2608	# Must we lock files when doing compilation ?
2609	need_locks=$lt_need_locks
2610
2611	# Do we need the lib prefix for modules?
2612	need_lib_prefix=$need_lib_prefix
2613
2614	# Do we need a version for libraries?
2615	need_version=$need_version
2616
2617	# Whether dlopen is supported.
2618	dlopen_support=$enable_dlopen
2619
2620	# Whether dlopen of programs is supported.
2621	dlopen_self=$enable_dlopen_self
2622
2623	# Whether dlopen of statically linked programs is supported.
2624	dlopen_self_static=$enable_dlopen_self_static
2625
2626	# Compiler flag to prevent dynamic linking.
2627	link_static_flag=$lt_link_static_flag
2628
2629	# Compiler flag to turn off builtin functions.
2630	no_builtin_flag=$lt_no_builtin_flag
2631
2632	# Compiler flag to allow reflexive dlopens.
2633	export_dynamic_flag_spec=$lt_export_dynamic_flag_spec
2634
2635	# Compiler flag to generate shared objects directly from archives.
2636	whole_archive_flag_spec=$lt_whole_archive_flag_spec
2637
2638	# Compiler flag to generate thread-safe objects.
2639	thread_safe_flag_spec=$lt_thread_safe_flag_spec
2640
2641	# Library versioning type.
2642	version_type=$version_type
2643
2644	# Format of library name prefix.
2645	libname_spec=$lt_libname_spec
2646
2647	# List of archive names. First name is the real one, the rest are links.
2648	# The last name is the one that the linker finds with -lNAME.
2649	library_names_spec=$lt_library_names_spec
2650
2651	# The coded name of the library, if different from the real name.
2652	soname_spec=$lt_soname_spec
2653
2654	# Commands used to build and install an old-style archive.
2655	RANLIB=$lt_RANLIB
2656	old_archive_cmds=$lt_old_archive_cmds
2657	old_postinstall_cmds=$lt_old_postinstall_cmds
2658	old_postuninstall_cmds=$lt_old_postuninstall_cmds
2659
2660	# Create an old-style archive from a shared archive.
2661	old_archive_from_new_cmds=$lt_old_archive_from_new_cmds
2662
2663	# Create a temporary old-style archive to link instead of a shared archive.
2664	old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds
2665
2666	# Commands used to build and install a shared archive.
2667	archive_cmds=$lt_archive_cmds
2668	archive_expsym_cmds=$lt_archive_expsym_cmds
2669	postinstall_cmds=$lt_postinstall_cmds
2670	postuninstall_cmds=$lt_postuninstall_cmds
2671
2672	# Commands to strip libraries.
2673	old_striplib=$lt_old_striplib
2674	striplib=$lt_striplib
2675
2676	# Method to check whether dependent libraries are shared objects.
2677	deplibs_check_method=$lt_deplibs_check_method
2678
2679	# Command to use when deplibs_check_method == file_magic.
2680	file_magic_cmd=$lt_file_magic_cmd
2681
2682	# Flag that allows shared libraries with undefined symbols to be built.
2683	allow_undefined_flag=$lt_allow_undefined_flag
2684
2685	# Flag that forces no undefined symbols.
2686	no_undefined_flag=$lt_no_undefined_flag
2687
2688	# Commands used to finish a libtool library installation in a directory.
2689	finish_cmds=$lt_finish_cmds
2690
2691	# Same as above, but a single script fragment to be evaled but not shown.
2692	finish_eval=$lt_finish_eval
2693
2694	# Take the output of nm and produce a listing of raw symbols and C names.
2695	global_symbol_pipe=$lt_global_symbol_pipe
2696
2697	# Transform the output of nm in a proper C declaration
2698	global_symbol_to_cdecl=$lt_global_symbol_to_cdecl
2699
2700	# Transform the output of nm in a C name address pair
2701	global_symbol_to_c_name_address=$lt_global_symbol_to_c_name_address
2702
2703	# This is the shared library runtime path variable.
2704	runpath_var=$runpath_var
2705
2706	# This is the shared library path variable.
2707	shlibpath_var=$shlibpath_var
2708
2709	# Is shlibpath searched before the hard-coded library search path?
2710	shlibpath_overrides_runpath=$shlibpath_overrides_runpath
2711
2712	# How to hardcode a shared library path into an executable.
2713	hardcode_action=$hardcode_action
2714
2715	# Whether we should hardcode library paths into libraries.
2716	hardcode_into_libs=$hardcode_into_libs
2717
2718	# Flag to hardcode \$libdir into a binary during linking.
2719	# This must work even if \$libdir does not exist.
2720	hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
2721
2722	# Whether we need a single -rpath flag with a separated argument.
2723	hardcode_libdir_separator=$lt_hardcode_libdir_separator
2724
2725	# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2726	# resulting binary.
2727	hardcode_direct=$hardcode_direct
2728
2729	# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2730	# resulting binary.
2731	hardcode_minus_L=$hardcode_minus_L
2732
2733	# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2734	# the resulting binary.
2735	hardcode_shlibpath_var=$hardcode_shlibpath_var
2736
2737	# Variables whose values should be saved in libtool wrapper scripts and
2738	# restored at relink time.
2739	variables_saved_for_relink="$variables_saved_for_relink"
2740
2741	# Whether libtool must link a program against all its dependency libraries.
2742	link_all_deplibs=$link_all_deplibs
2743
2744	# Compile-time system search path for libraries
2745	sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
2746
2747	# Run-time system search path for libraries
2748	sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
2749
2750	# Fix the shell variable \$srcfile for the compiler.
2751	fix_srcfile_path="$fix_srcfile_path"
2752
2753	# Set to yes if exported symbols are required.
2754	always_export_symbols=$always_export_symbols
2755
2756	# The commands to list exported symbols.
2757	export_symbols_cmds=$lt_export_symbols_cmds
2758
2759	# The commands to extract the exported symbol list from a shared archive.
2760	extract_expsyms_cmds=$lt_extract_expsyms_cmds
2761
2762	# Symbols that should not be listed in the preloaded symbols.
2763	exclude_expsyms=$lt_exclude_expsyms
2764
2765	# Symbols that must always be exported.
2766	include_expsyms=$lt_include_expsyms
2767
2768	# ### END LIBTOOL CONFIG
2769
2770	__EOF__
2771
2772	case $host_os in
2773	aix3*)
2774	cat <<\EOF >> "${ofile}T"
2775
2776	# AIX sometimes has problems with the GCC collect2 program. For some
2777	# reason, if we set the COLLECT_NAMES environment variable, the problems
2778	# vanish in a puff of smoke.
2779	if test "X${COLLECT_NAMES+set}" != Xset; then
2780	COLLECT_NAMES=
2781	export COLLECT_NAMES
2782	fi
2783	EOF
2784	;;
2785	esac
2786
2787	case $host_os in
2788	cygwin* \| mingw* \| pw32* \| os2*)
2789	cat <<'EOF' >> "${ofile}T"
2790	# This is a source program that is used to create dlls on Windows
2791	# Don't remove nor modify the starting and closing comments
2792	# /* ltdll.c starts here */
2793	# #define WIN32_LEAN_AND_MEAN
2794	# #include <windows.h>
2795	# #undef WIN32_LEAN_AND_MEAN
2796	# #include <stdio.h>
2797	#
2798	# #ifndef __CYGWIN__
2799	# # ifdef __CYGWIN32__
2800	# # define __CYGWIN__ __CYGWIN32__
2801	# # endif
2802	# #endif
2803	#
2804	# #ifdef __cplusplus
2805	# extern "C" {
2806	# #endif
2807	# BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved);
2808	# #ifdef __cplusplus
2809	# }
2810	# #endif
2811	#
2812	# #ifdef __CYGWIN__
2813	# #include <cygwin/cygwin_dll.h>
2814	# DECLARE_CYGWIN_DLL( DllMain );
2815	# #endif
2816	# HINSTANCE __hDllInstance_base;
2817	#
2818	# BOOL APIENTRY
2819	# DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved)
2820	# {
2821	# __hDllInstance_base = hInst;
2822	# return TRUE;
2823	# }
2824	# /* ltdll.c ends here */
2825	# This is a source program that is used to create import libraries
2826	# on Windows for dlls which lack them. Don't remove nor modify the
2827	# starting and closing comments
2828	# /* impgen.c starts here */
2829	# /* Copyright (C) 1999-2000 Free Software Foundation, Inc.
2830	#
2831	# This file is part of GNU libtool.
2832	#
2833	# This program is free software; you can redistribute it and/or modify
2834	# it under the terms of the GNU General Public License as published by
2835	# the Free Software Foundation; either version 2 of the License, or
2836	# (at your option) any later version.
2837	#
2838	# This program is distributed in the hope that it will be useful,
2839	# but WITHOUT ANY WARRANTY; without even the implied warranty of
2840	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2841	# GNU General Public License for more details.
2842	#
2843	# You should have received a copy of the GNU General Public License
2844	# along with this program; if not, write to the Free Software
2845	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2846	# */
2847	#
2848	# #include <stdio.h> /* for printf() */
2849	# #include <unistd.h> /* for open(), lseek(), read() */
2850	# #include <fcntl.h> /* for O_RDONLY, O_BINARY */
2851	# #include <string.h> /* for strdup() */
2852	#
2853	# /* O_BINARY isn't required (or even defined sometimes) under Unix */
2854	# #ifndef O_BINARY
2855	# #define O_BINARY 0
2856	# #endif
2857	#
2858	# static unsigned int
2859	# pe_get16 (fd, offset)
2860	# int fd;
2861	# int offset;
2862	# {
2863	# unsigned char b[2];
2864	# lseek (fd, offset, SEEK_SET);
2865	# read (fd, b, 2);
2866	# return b[0] + (b[1]<<8);
2867	# }
2868	#
2869	# static unsigned int
2870	# pe_get32 (fd, offset)
2871	# int fd;
2872	# int offset;
2873	# {
2874	# unsigned char b[4];
2875	# lseek (fd, offset, SEEK_SET);
2876	# read (fd, b, 4);
2877	# return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);
2878	# }
2879	#
2880	# static unsigned int
2881	# pe_as32 (ptr)
2882	# void *ptr;
2883	# {
2884	# unsigned char *b = ptr;
2885	# return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);
2886	# }
2887	#
2888	# int
2889	# main (argc, argv)
2890	# int argc;
2891	# char *argv[];
2892	# {
2893	# int dll;
2894	# unsigned long pe_header_offset, opthdr_ofs, num_entries, i;
2895	# unsigned long export_rva, export_size, nsections, secptr, expptr;
2896	# unsigned long name_rvas, nexp;
2897	# unsigned char expdata, erva;
2898	# char filename, dll_name;
2899	#
2900	# filename = argv[1];
2901	#
2902	# dll = open(filename, O_RDONLY\|O_BINARY);
2903	# if (dll < 1)
2904	# return 1;
2905	#
2906	# dll_name = filename;
2907	#
2908	# for (i=0; filename[i]; i++)
2909	# if (filename[i] == '/' \|\| filename[i] == '\\' \|\| filename[i] == ':')
2910	# dll_name = filename + i +1;
2911	#
2912	# pe_header_offset = pe_get32 (dll, 0x3c);
2913	# opthdr_ofs = pe_header_offset + 4 + 20;
2914	# num_entries = pe_get32 (dll, opthdr_ofs + 92);
2915	#
2916	# if (num_entries < 1) /* no exports */
2917	# return 1;
2918	#
2919	# export_rva = pe_get32 (dll, opthdr_ofs + 96);
2920	# export_size = pe_get32 (dll, opthdr_ofs + 100);
2921	# nsections = pe_get16 (dll, pe_header_offset + 4 +2);
2922	# secptr = (pe_header_offset + 4 + 20 +
2923	# pe_get16 (dll, pe_header_offset + 4 + 16));
2924	#
2925	# expptr = 0;
2926	# for (i = 0; i < nsections; i++)
2927	# {
2928	# char sname[8];
2929	# unsigned long secptr1 = secptr + 40 * i;
2930	# unsigned long vaddr = pe_get32 (dll, secptr1 + 12);
2931	# unsigned long vsize = pe_get32 (dll, secptr1 + 16);
2932	# unsigned long fptr = pe_get32 (dll, secptr1 + 20);
2933	# lseek(dll, secptr1, SEEK_SET);
2934	# read(dll, sname, 8);
2935	# if (vaddr <= export_rva && vaddr+vsize > export_rva)
2936	# {
2937	# expptr = fptr + (export_rva - vaddr);
2938	# if (export_rva + export_size > vaddr + vsize)
2939	# export_size = vsize - (export_rva - vaddr);
2940	# break;
2941	# }
2942	# }
2943	#
2944	# expdata = (unsigned char*)malloc(export_size);
2945	# lseek (dll, expptr, SEEK_SET);
2946	# read (dll, expdata, export_size);
2947	# erva = expdata - export_rva;
2948	#
2949	# nexp = pe_as32 (expdata+24);
2950	# name_rvas = pe_as32 (expdata+32);
2951	#
2952	# printf ("EXPORTS\n");
2953	# for (i = 0; i<nexp; i++)
2954	# {
2955	# unsigned long name_rva = pe_as32 (erva+name_rvas+i*4);
2956	# printf ("\t%s @ %ld ;\n", erva+name_rva, 1+ i);
2957	# }
2958	#
2959	# return 0;
2960	# }
2961	# /* impgen.c ends here */
2962
2963	EOF
2964	;;
2965	esac
2966
2967	# We use sed instead of cat because bash on DJGPP gets confused if
2968	# if finds mixed CR/LF and LF-only lines. Since sed operates in
2969	# text mode, it properly converts lines to CR/LF. This bash problem
2970	# is reportedly fixed, but why not run on old versions too?
2971	sed '$q' "$ltmain" >> "${ofile}T" \|\| (rm -f "${ofile}T"; exit 1)
2972
2973	mv -f "${ofile}T" "$ofile" \|\| \
2974	(rm -f "$ofile" && cp "${ofile}T" "$ofile" && rm -f "${ofile}T")
2975	chmod +x "$ofile"
2976	fi
2977	##
2978	## END FIXME
2979
2980	])# _LT_AC_LTCONFIG_HACK
2981
2982	# AC_LIBTOOL_DLOPEN - enable checks for dlopen support
2983	AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
2984
2985	# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
2986	AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
2987
2988	# AC_ENABLE_SHARED - implement the --enable-shared flag
2989	# Usage: AC_ENABLE_SHARED[(DEFAULT)]
2990	# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
2991	# `yes'.
2992	AC_DEFUN([AC_ENABLE_SHARED],
2993	[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
2994	AC_ARG_ENABLE(shared,
2995	changequote(<<, >>)dnl
2996	<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
2997	changequote([, ])dnl
2998	[p=${PACKAGE-default}
2999	case $enableval in
3000	yes) enable_shared=yes ;;
3001	no) enable_shared=no ;;
3002	*)
3003	enable_shared=no
3004	# Look at the argument we got. We use all the common list separators.
3005	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
3006	for pkg in $enableval; do
3007	if test "X$pkg" = "X$p"; then
3008	enable_shared=yes
3009	fi
3010	done
3011	IFS="$ac_save_ifs"
3012	;;
3013	esac],
3014	enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
3015	])
3016
3017	# AC_DISABLE_SHARED - set the default shared flag to --disable-shared
3018	AC_DEFUN([AC_DISABLE_SHARED],
3019	[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3020	AC_ENABLE_SHARED(no)])
3021
3022	# AC_ENABLE_STATIC - implement the --enable-static flag
3023	# Usage: AC_ENABLE_STATIC[(DEFAULT)]
3024	# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
3025	# `yes'.
3026	AC_DEFUN([AC_ENABLE_STATIC],
3027	[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
3028	AC_ARG_ENABLE(static,
3029	changequote(<<, >>)dnl
3030	<< --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
3031	changequote([, ])dnl
3032	[p=${PACKAGE-default}
3033	case $enableval in
3034	yes) enable_static=yes ;;
3035	no) enable_static=no ;;
3036	*)
3037	enable_static=no
3038	# Look at the argument we got. We use all the common list separators.
3039	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
3040	for pkg in $enableval; do
3041	if test "X$pkg" = "X$p"; then
3042	enable_static=yes
3043	fi
3044	done
3045	IFS="$ac_save_ifs"
3046	;;
3047	esac],
3048	enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
3049	])
3050
3051	# AC_DISABLE_STATIC - set the default static flag to --disable-static
3052	AC_DEFUN([AC_DISABLE_STATIC],
3053	[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3054	AC_ENABLE_STATIC(no)])
3055
3056
3057	# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
3058	# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
3059	# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
3060	# `yes'.
3061	AC_DEFUN([AC_ENABLE_FAST_INSTALL],
3062	[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
3063	AC_ARG_ENABLE(fast-install,
3064	changequote(<<, >>)dnl
3065	<< --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
3066	changequote([, ])dnl
3067	[p=${PACKAGE-default}
3068	case $enableval in
3069	yes) enable_fast_install=yes ;;
3070	no) enable_fast_install=no ;;
3071	*)
3072	enable_fast_install=no
3073	# Look at the argument we got. We use all the common list separators.
3074	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
3075	for pkg in $enableval; do
3076	if test "X$pkg" = "X$p"; then
3077	enable_fast_install=yes
3078	fi
3079	done
3080	IFS="$ac_save_ifs"
3081	;;
3082	esac],
3083	enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
3084	])
3085
3086	# AC_DISABLE_FAST_INSTALL - set the default to --disable-fast-install
3087	AC_DEFUN([AC_DISABLE_FAST_INSTALL],
3088	[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3089	AC_ENABLE_FAST_INSTALL(no)])
3090
3091	# AC_LIBTOOL_PICMODE - implement the --with-pic flag
3092	# Usage: AC_LIBTOOL_PICMODE[(MODE)]
3093	# Where MODE is either `yes' or `no'. If omitted, it defaults to
3094	# `both'.
3095	AC_DEFUN([AC_LIBTOOL_PICMODE],
3096	[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3097	pic_mode=ifelse($#,1,$1,default)])
3098
3099
3100	# AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
3101	AC_DEFUN([AC_PATH_TOOL_PREFIX],
3102	[AC_MSG_CHECKING([for $1])
3103	AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
3104	[case $MAGIC_CMD in
3105	/*)
3106	lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
3107	;;
3108	?:/*)
3109	lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a dos path.
3110	;;
3111	*)
3112	ac_save_MAGIC_CMD="$MAGIC_CMD"
3113	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
3114	dnl $ac_dummy forces splitting on constant user-supplied paths.
3115	dnl POSIX.2 word splitting is done only on the output of word expansions,
3116	dnl not every word. This closes a longstanding sh security hole.
3117	ac_dummy="ifelse([$2], , $PATH, [$2])"
3118	for ac_dir in $ac_dummy; do
3119	test -z "$ac_dir" && ac_dir=.
3120	if test -f $ac_dir/$1; then
3121	lt_cv_path_MAGIC_CMD="$ac_dir/$1"
3122	if test -n "$file_magic_test_file"; then
3123	case $deplibs_check_method in
3124	"file_magic "*)
3125	file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic $.*$\"`"
3126	MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
3127	if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null \|
3128	egrep "$file_magic_regex" > /dev/null; then
3129	:
3130	else
3131	cat <<EOF 1>&2
3132
3133	*** Warning: the command libtool uses to detect shared libraries,
3134	*** $file_magic_cmd, produces output that libtool cannot recognize.
3135	*** The result is that libtool may fail to recognize shared libraries
3136	*** as such. This will affect the creation of libtool libraries that
3137	*** depend on shared libraries, but programs linked with such libtool
3138	*** libraries will work regardless of this problem. Nevertheless, you
3139	*** may want to report the problem to your system manager and/or to
3140	*** bug-libtool@gnu.org
3141
3142	EOF
3143	fi ;;
3144	esac
3145	fi
3146	break
3147	fi
3148	done
3149	IFS="$ac_save_ifs"
3150	MAGIC_CMD="$ac_save_MAGIC_CMD"
3151	;;
3152	esac])
3153	MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
3154	if test -n "$MAGIC_CMD"; then
3155	AC_MSG_RESULT($MAGIC_CMD)
3156	else
3157	AC_MSG_RESULT(no)
3158	fi
3159	])
3160
3161
3162	# AC_PATH_MAGIC - find a file program which can recognise a shared library
3163	AC_DEFUN([AC_PATH_MAGIC],
3164	[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
3165	AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
3166	if test -z "$lt_cv_path_MAGIC_CMD"; then
3167	if test -n "$ac_tool_prefix"; then
3168	AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
3169	else
3170	MAGIC_CMD=:
3171	fi
3172	fi
3173	])
3174
3175
3176	# AC_PROG_LD - find the path to the GNU or non-GNU linker
3177	AC_DEFUN([AC_PROG_LD],
3178	[AC_ARG_WITH(gnu-ld,
3179	[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
3180	test "$withval" = no \|\| with_gnu_ld=yes, with_gnu_ld=no)
3181	AC_REQUIRE([AC_PROG_CC])dnl
3182	AC_REQUIRE([AC_CANONICAL_HOST])dnl
3183	AC_REQUIRE([AC_CANONICAL_BUILD])dnl
3184	AC_REQUIRE([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR])dnl
3185	ac_prog=ld
3186	if test "$GCC" = yes; then
3187	# Check if gcc -print-prog-name=ld gives a path.
3188	AC_MSG_CHECKING([for ld used by GCC])
3189	case $host in
3190	--mingw*)
3191	# gcc leaves a trailing carriage return which upsets mingw
3192	ac_prog=`($CC -print-prog-name=ld) 2>&5 \| tr -d '\015'` ;;
3193	*)
3194	ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
3195	esac
3196	case $ac_prog in
3197	# Accept absolute paths.
3198	[[\\/]]* \| [[A-Za-z]]:[[\\/]]*)
3199	re_direlt='/[[^/]][[^/]]*/\.\./'
3200	# Canonicalize the path of ld
3201	ac_prog=`echo $ac_prog\| sed 's%\\\\%/%g'`
3202	while echo $ac_prog \| grep "$re_direlt" > /dev/null 2>&1; do
3203	ac_prog=`echo $ac_prog\| sed "s%$re_direlt%/%"`
3204	done
3205	test -z "$LD" && LD="$ac_prog"
3206	;;
3207	"")
3208	# If it fails, then pretend we aren't using GCC.
3209	ac_prog=ld
3210	;;
3211	*)
3212	# If it is relative, then search for the first ld in PATH.
3213	with_gnu_ld=unknown
3214	;;
3215	esac
3216	elif test "$with_gnu_ld" = yes; then
3217	AC_MSG_CHECKING([for GNU ld])
3218	else
3219	AC_MSG_CHECKING([for non-GNU ld])
3220	fi
3221	AC_CACHE_VAL(lt_cv_path_LD,
3222	[if test -z "$LD"; then
3223	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
3224	for ac_dir in $PATH; do
3225	test -z "$ac_dir" && ac_dir=.
3226	if test -f "$ac_dir/$ac_prog" \|\| test -f "$ac_dir/$ac_prog$ac_exeext"; then
3227	lt_cv_path_LD="$ac_dir/$ac_prog"
3228	# Check to see if the program is GNU ld. I'd rather use --version,
3229	# but apparently some GNU ld's only accept -v.
3230	# Break only if it was the GNU/non-GNU ld that we prefer.
3231	if "$lt_cv_path_LD" -v 2>&1 < /dev/null \| egrep '(GNU\|with BFD)' > /dev/null; then
3232	test "$with_gnu_ld" != no && break
3233	else
3234	test "$with_gnu_ld" != yes && break
3235	fi
3236	fi
3237	done
3238	IFS="$ac_save_ifs"
3239	else
3240	lt_cv_path_LD="$LD" # Let the user override the test with a path.
3241	fi])
3242	LD="$lt_cv_path_LD"
3243	if test -n "$LD"; then
3244	AC_MSG_RESULT($LD)
3245	else
3246	AC_MSG_RESULT(no)
3247	fi
3248	test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
3249	AC_PROG_LD_GNU
3250	])
3251
3252	# AC_PROG_LD_GNU -
3253	AC_DEFUN([AC_PROG_LD_GNU],
3254	[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
3255	[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
3256	if $LD -v 2>&1 </dev/null \| egrep '(GNU\|with BFD)' 1>&5; then
3257	lt_cv_prog_gnu_ld=yes
3258	else
3259	lt_cv_prog_gnu_ld=no
3260	fi])
3261	with_gnu_ld=$lt_cv_prog_gnu_ld
3262	])
3263
3264	# AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
3265	# -- PORTME Some linkers may need a different reload flag.
3266	AC_DEFUN([AC_PROG_LD_RELOAD_FLAG],
3267	[AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
3268	[lt_cv_ld_reload_flag='-r'])
3269	reload_flag=$lt_cv_ld_reload_flag
3270	test -n "$reload_flag" && reload_flag=" $reload_flag"
3271	])
3272
3273	# AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
3274	# -- PORTME fill in with the dynamic library characteristics
3275	AC_DEFUN([AC_DEPLIBS_CHECK_METHOD],
3276	[AC_CACHE_CHECK([how to recognise dependant libraries],
3277	lt_cv_deplibs_check_method,
3278	[lt_cv_file_magic_cmd='$MAGIC_CMD'
3279	lt_cv_file_magic_test_file=
3280	lt_cv_deplibs_check_method='unknown'
3281	# Need to set the preceding variable on all platforms that support
3282	# interlibrary dependencies.
3283	# 'none' -- dependencies not supported.
3284	# `unknown' -- same as none, but documents that we really don't know.
3285	# 'pass_all' -- all dependencies passed with no checks.
3286	# 'test_compile' -- check by making test program.
3287	# 'file_magic [[regex]]' -- check by looking for files in library path
3288	# which responds to the $file_magic_cmd with a given egrep regex.
3289	# If you have `file' or equivalent on your system and you're not sure
3290	# whether `pass_all' will always work, you probably want this one.
3291
3292	case $host_os in
3293	aix4* \| aix5*)
3294	lt_cv_deplibs_check_method=pass_all
3295	;;
3296
3297	beos*)
3298	lt_cv_deplibs_check_method=pass_all
3299	;;
3300
3301	bsdi4*)
3302	lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object\|dynamic lib)'
3303	lt_cv_file_magic_cmd='/usr/bin/file -L'
3304	lt_cv_file_magic_test_file=/shlib/libc.so
3305	;;
3306
3307	cygwin* \| mingw* \| pw32*)
3308	lt_cv_deplibs_check_method='file_magic file format pei-i386(.architecture: i386)?'
3309	lt_cv_file_magic_cmd='$OBJDUMP -f'
3310	;;
3311
3312	darwin* \| rhapsody*)
3313	lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library'
3314	lt_cv_file_magic_cmd='/usr/bin/file -L'
3315	case "$host_os" in
3316	rhapsody* \| darwin1.[[012]])
3317	lt_cv_file_magic_test_file=`echo /System/Library/Frameworks/System.framework/Versions/*/System \| head -1`
3318	;;
3319	*) # Darwin 1.3 on
3320	lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib'
3321	;;
3322	esac
3323	;;
3324
3325	freebsd*)
3326	if echo __ELF__ \| $CC -E - \| grep __ELF__ > /dev/null; then
3327	case $host_cpu in
3328	i*86 )
3329	# Not sure whether the presence of OpenBSD here was a mistake.
3330	# Let's accept both of them until this is cleared up.
3331	lt_cv_deplibs_check_method='file_magic (FreeBSD\|OpenBSD)/i[[3-9]]86 (compact )?demand paged shared library'
3332	lt_cv_file_magic_cmd=/usr/bin/file
3333	lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
3334	;;
3335	esac
3336	else
3337	lt_cv_deplibs_check_method=pass_all
3338	fi
3339	;;
3340
3341	gnu*)
3342	lt_cv_deplibs_check_method=pass_all
3343	;;
3344
3345	hpux10.20\|hpux11)
3346	lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]\|PA-RISC[[0-9]].[[0-9]]) shared library'
3347	lt_cv_file_magic_cmd=/usr/bin/file
3348	lt_cv_file_magic_test_file=/usr/lib/libc.sl
3349	;;
3350
3351	irix5* \| irix6*)
3352	case $host_os in
3353	irix5*)
3354	# this will be overridden with pass_all, but let us keep it just in case
3355	lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
3356	;;
3357	*)
3358	case $LD in
3359	-32\|"-32 ") libmagic=32-bit;;
3360	-n32\|"-n32 ") libmagic=N32;;
3361	-64\|"-64 ") libmagic=64-bit;;
3362	*) libmagic=never-match;;
3363	esac
3364	# this will be overridden with pass_all, but let us keep it just in case
3365	lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[[1234]] dynamic lib MIPS - version 1"
3366	;;
3367	esac
3368	lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
3369	lt_cv_deplibs_check_method=pass_all
3370	;;
3371
3372	# This must be Linux ELF.
3373	linux-gnu*)
3374	case $host_cpu in
3375	alpha* \| hppa* \| i86 \| powerpc \| sparc* \| ia64* )
3376	lt_cv_deplibs_check_method=pass_all ;;
3377	*)
3378	# glibc up to 2.1.1 does not perform some relocations on ARM
3379	lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object\|dynamic lib )' ;;
3380	esac
3381	lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
3382	;;
3383
3384	netbsd*)
3385	if echo __ELF__ \| $CC -E - \| grep __ELF__ > /dev/null; then
3386	lt_cv_deplibs_check_method='match_pattern /lib[[^/\.]]+\.so\.[[0-9]]+\.[[0-9]]+$'
3387	else
3388	lt_cv_deplibs_check_method='match_pattern /lib[[^/\.]]+\.so$'
3389	fi
3390	;;
3391
3392	newos6*)
3393	lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable\|dynamic lib)'
3394	lt_cv_file_magic_cmd=/usr/bin/file
3395	lt_cv_file_magic_test_file=/usr/lib/libnls.so
3396	;;
3397
3398	openbsd*)
3399	lt_cv_file_magic_cmd=/usr/bin/file
3400	lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
3401	if test -z "`echo __ELF__ \| $CC -E - \| grep __ELF__`" \|\| test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
3402	lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB shared object'
3403	else
3404	lt_cv_deplibs_check_method='file_magic OpenBSD.* shared library'
3405	fi
3406	;;
3407
3408	osf3* \| osf4* \| osf5*)
3409	# this will be overridden with pass_all, but let us keep it just in case
3410	lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
3411	lt_cv_file_magic_test_file=/shlib/libc.so
3412	lt_cv_deplibs_check_method=pass_all
3413	;;
3414
3415	sco3.2v5*)
3416	lt_cv_deplibs_check_method=pass_all
3417	;;
3418
3419	solaris*)
3420	lt_cv_deplibs_check_method=pass_all
3421	lt_cv_file_magic_test_file=/lib/libc.so
3422	;;
3423
3424	sysv5uw[[78]]* \| sysv4uw2)
3425	lt_cv_deplibs_check_method=pass_all
3426	;;
3427
3428	sysv4 \| sysv4.2uw2* \| sysv4.3* \| sysv5*)
3429	case $host_vendor in
3430	motorola)
3431	lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]-bit [[ML]]SB (shared object\|dynamic lib) M[[0-9]][[0-9]] Version [[0-9]]'
3432	lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
3433	;;
3434	ncr)
3435	lt_cv_deplibs_check_method=pass_all
3436	;;
3437	sequent)
3438	lt_cv_file_magic_cmd='/bin/file'
3439	lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object\|dynamic lib )'
3440	;;
3441	sni)
3442	lt_cv_file_magic_cmd='/bin/file'
3443	lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
3444	lt_cv_file_magic_test_file=/lib/libc.so
3445	;;
3446	esac
3447	;;
3448	esac
3449	])
3450	file_magic_cmd=$lt_cv_file_magic_cmd
3451	deplibs_check_method=$lt_cv_deplibs_check_method
3452	])
3453
3454
3455	# AC_PROG_NM - find the path to a BSD-compatible name lister
3456	AC_DEFUN([AC_PROG_NM],
3457	[AC_REQUIRE([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR])dnl
3458	AC_MSG_CHECKING([for BSD-compatible nm])
3459	AC_CACHE_VAL(lt_cv_path_NM,
3460	[if test -n "$NM"; then
3461	# Let the user override the test.
3462	lt_cv_path_NM="$NM"
3463	else
3464	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
3465	for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
3466	test -z "$ac_dir" && ac_dir=.
3467	tmp_nm=$ac_dir/${ac_tool_prefix}nm
3468	if test -f $tmp_nm \|\| test -f $tmp_nm$ac_exeext ; then
3469	# Check to see if the nm accepts a BSD-compat flag.
3470	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
3471	# nm: unknown option "B" ignored
3472	# Tru64's nm complains that /dev/null is an invalid object file
3473	if ($tmp_nm -B /dev/null 2>&1 \| sed '1q'; exit 0) \| egrep '(/dev/null\|Invalid file or object type)' >/dev/null; then
3474	lt_cv_path_NM="$tmp_nm -B"
3475	break
3476	elif ($tmp_nm -p /dev/null 2>&1 \| sed '1q'; exit 0) \| egrep /dev/null >/dev/null; then
3477	lt_cv_path_NM="$tmp_nm -p"
3478	break
3479	else
3480	lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
3481	continue # so that we can try to find one that supports BSD flags
3482	fi
3483	fi
3484	done
3485	IFS="$ac_save_ifs"
3486	test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm
3487	fi])
3488	NM="$lt_cv_path_NM"
3489	AC_MSG_RESULT([$NM])
3490	])
3491
3492	# AC_CHECK_LIBM - check for math library
3493	AC_DEFUN([AC_CHECK_LIBM],
3494	[AC_REQUIRE([AC_CANONICAL_HOST])dnl
3495	LIBM=
3496	case $host in
3497	--beos* \| --cygwin* \| --pw32*)
3498	# These system don't have libm
3499	;;
3500	-ncr-sysv4.3)
3501	AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
3502	AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
3503	;;
3504	*)
3505	AC_CHECK_LIB(m, main, LIBM="-lm")
3506	;;
3507	esac
3508	])
3509
3510	# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
3511	# the libltdl convenience library and INCLTDL to the include flags for
3512	# the libltdl header and adds --enable-ltdl-convenience to the
3513	# configure arguments. Note that LIBLTDL and INCLTDL are not
3514	# AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not
3515	# provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed
3516	# with '${top_builddir}/' and INCLTDL will be prefixed with
3517	# '${top_srcdir}/' (note the single quotes!). If your package is not
3518	# flat and you're not using automake, define top_builddir and
3519	# top_srcdir appropriately in the Makefiles.
3520	AC_DEFUN([AC_LIBLTDL_CONVENIENCE],
3521	[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3522	case $enable_ltdl_convenience in
3523	no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
3524	"") enable_ltdl_convenience=yes
3525	ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
3526	esac
3527	LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
3528	INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
3529	])
3530
3531	# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
3532	# the libltdl installable library and INCLTDL to the include flags for
3533	# the libltdl header and adds --enable-ltdl-install to the configure
3534	# arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
3535	# AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed
3536	# libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will
3537	# be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
3538	# with '${top_srcdir}/' (note the single quotes!). If your package is
3539	# not flat and you're not using automake, define top_builddir and
3540	# top_srcdir appropriately in the Makefiles.
3541	# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
3542	AC_DEFUN([AC_LIBLTDL_INSTALLABLE],
3543	[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3544	AC_CHECK_LIB(ltdl, main,
3545	[test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
3546	[if test x"$enable_ltdl_install" = xno; then
3547	AC_MSG_WARN([libltdl not installed, but installation disabled])
3548	else
3549	enable_ltdl_install=yes
3550	fi
3551	])
3552	if test x"$enable_ltdl_install" = x"yes"; then
3553	ac_configure_args="$ac_configure_args --enable-ltdl-install"
3554	LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
3555	INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
3556	else
3557	ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
3558	LIBLTDL="-lltdl"
3559	INCLTDL=
3560	fi
3561	])
3562
3563	# old names
3564	AC_DEFUN([AM_PROG_LIBTOOL], [AC_PROG_LIBTOOL])
3565	AC_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
3566	AC_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
3567	AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
3568	AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
3569	AC_DEFUN([AM_PROG_LD], [AC_PROG_LD])
3570	AC_DEFUN([AM_PROG_NM], [AC_PROG_NM])
3571
3572	# This is just to silence aclocal about the macro not being used
3573	ifelse([AC_DISABLE_FAST_INSTALL])

Note: See TracBrowser for help on using the repository browser.

Context Navigation

source: trunk/gc6.8/libtool.m4@ 257

Download in other formats: