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libtool.m4

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1	# libtool.m4 - Configure libtool for the host system. --Autoconf--
2	#
3	# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
4	# 2006, 2007, 2008 Free Software Foundation, Inc.
5	# Written by Gordon Matzigkeit, 1996
6	#
7	# This file is free software; the Free Software Foundation gives
8	# unlimited permission to copy and/or distribute it, with or without
9	# modifications, as long as this notice is preserved.
10
11	m4_define([_LT_COPYING], [dnl
12	# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
13	# 2006, 2007, 2008 Free Software Foundation, Inc.
14	# Written by Gordon Matzigkeit, 1996
15	#
16	# This file is part of GNU Libtool.
17	#
18	# GNU Libtool is free software; you can redistribute it and/or
19	# modify it under the terms of the GNU General Public License as
20	# published by the Free Software Foundation; either version 2 of
21	# the License, or (at your option) any later version.
22	#
23	# As a special exception to the GNU General Public License,
24	# if you distribute this file as part of a program or library that
25	# is built using GNU Libtool, you may include this file under the
26	# same distribution terms that you use for the rest of that program.
27	#
28	# GNU Libtool is distributed in the hope that it will be useful,
29	# but WITHOUT ANY WARRANTY; without even the implied warranty of
30	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31	# GNU General Public License for more details.
32	#
33	# You should have received a copy of the GNU General Public License
34	# along with GNU Libtool; see the file COPYING. If not, a copy
35	# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
36	# obtained by writing to the Free Software Foundation, Inc.,
37	# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
38	])
39
40	# serial 56 LT_INIT
41
42
43	# LT_PREREQ(VERSION)
44	# ------------------
45	# Complain and exit if this libtool version is less that VERSION.
46	m4_defun([LT_PREREQ],
47	[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1,
48	[m4_default([$3],
49	[m4_fatal([Libtool version $1 or higher is required],
50	63)])],
51	[$2])])
52
53
54	# _LT_CHECK_BUILDDIR
55	# ------------------
56	# Complain if the absolute build directory name contains unusual characters
57	m4_defun([_LT_CHECK_BUILDDIR],
58	[case `pwd` in
59	\ \| \ )
60	AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;;
61	esac
62	])
63
64
65	# LT_INIT([OPTIONS])
66	# ------------------
67	AC_DEFUN([LT_INIT],
68	[AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT
69	AC_BEFORE([$0], [LT_LANG])dnl
70	AC_BEFORE([$0], [LT_OUTPUT])dnl
71	AC_BEFORE([$0], [LTDL_INIT])dnl
72	m4_require([_LT_CHECK_BUILDDIR])dnl
73
74	dnl Autoconf doesn't catch unexpanded LT_ macros by default:
75	m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl
76	m4_pattern_allow([^(_LT_EOF\|LT_DLGLOBAL\|LT_DLLAZY_OR_NOW\|LT_MULTI_MODULE)$])dnl
77	dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4
78	dnl unless we require an AC_DEFUNed macro:
79	AC_REQUIRE([LTOPTIONS_VERSION])dnl
80	AC_REQUIRE([LTSUGAR_VERSION])dnl
81	AC_REQUIRE([LTVERSION_VERSION])dnl
82	AC_REQUIRE([LTOBSOLETE_VERSION])dnl
83	m4_require([_LT_PROG_LTMAIN])dnl
84
85	dnl Parse OPTIONS
86	_LT_SET_OPTIONS([$0], [$1])
87
88	# This can be used to rebuild libtool when needed
89	LIBTOOL_DEPS="$ltmain"
90
91	# Always use our own libtool.
92	LIBTOOL='$(SHELL) $(top_builddir)/libtool'
93	AC_SUBST(LIBTOOL)dnl
94
95	_LT_SETUP
96
97	# Only expand once:
98	m4_define([LT_INIT])
99	])# LT_INIT
100
101	# Old names:
102	AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT])
103	AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT])
104	dnl aclocal-1.4 backwards compatibility:
105	dnl AC_DEFUN([AC_PROG_LIBTOOL], [])
106	dnl AC_DEFUN([AM_PROG_LIBTOOL], [])
107
108
109	# _LT_CC_BASENAME(CC)
110	# -------------------
111	# Calculate cc_basename. Skip known compiler wrappers and cross-prefix.
112	m4_defun([_LT_CC_BASENAME],
113	[for cc_temp in $1""; do
114	case $cc_temp in
115	compile \| [[\\/]]compile \| ccache \| [[\\/]]ccache ) ;;
116	distcc \| [[\\/]]distcc \| purify \| [[\\/]]purify ) ;;
117	\-*) ;;
118	*) break;;
119	esac
120	done
121	cc_basename=`$ECHO "X$cc_temp" \| $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
122	])
123
124
125	# _LT_FILEUTILS_DEFAULTS
126	# ----------------------
127	# It is okay to use these file commands and assume they have been set
128	# sensibly after `m4_require([_LT_FILEUTILS_DEFAULTS])'.
129	m4_defun([_LT_FILEUTILS_DEFAULTS],
130	[: ${CP="cp -f"}
131	: ${MV="mv -f"}
132	: ${RM="rm -f"}
133	])# _LT_FILEUTILS_DEFAULTS
134
135
136	# _LT_SETUP
137	# ---------
138	m4_defun([_LT_SETUP],
139	[AC_REQUIRE([AC_CANONICAL_HOST])dnl
140	AC_REQUIRE([AC_CANONICAL_BUILD])dnl
141	_LT_DECL([], [host_alias], [0], [The host system])dnl
142	_LT_DECL([], [host], [0])dnl
143	_LT_DECL([], [host_os], [0])dnl
144	dnl
145	_LT_DECL([], [build_alias], [0], [The build system])dnl
146	_LT_DECL([], [build], [0])dnl
147	_LT_DECL([], [build_os], [0])dnl
148	dnl
149	AC_REQUIRE([AC_PROG_CC])dnl
150	AC_REQUIRE([LT_PATH_LD])dnl
151	AC_REQUIRE([LT_PATH_NM])dnl
152	dnl
153	AC_REQUIRE([AC_PROG_LN_S])dnl
154	test -z "$LN_S" && LN_S="ln -s"
155	_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl
156	dnl
157	AC_REQUIRE([LT_CMD_MAX_LEN])dnl
158	_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl
159	_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl
160	dnl
161	m4_require([_LT_FILEUTILS_DEFAULTS])dnl
162	m4_require([_LT_CHECK_SHELL_FEATURES])dnl
163	m4_require([_LT_CMD_RELOAD])dnl
164	m4_require([_LT_CHECK_MAGIC_METHOD])dnl
165	m4_require([_LT_CMD_OLD_ARCHIVE])dnl
166	m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
167
168	_LT_CONFIG_LIBTOOL_INIT([
169	# See if we are running on zsh, and set the options which allow our
170	# commands through without removal of \ escapes INIT.
171	if test -n "\${ZSH_VERSION+set}" ; then
172	setopt NO_GLOB_SUBST
173	fi
174	])
175	if test -n "${ZSH_VERSION+set}" ; then
176	setopt NO_GLOB_SUBST
177	fi
178
179	_LT_CHECK_OBJDIR
180
181	m4_require([_LT_TAG_COMPILER])dnl
182	_LT_PROG_ECHO_BACKSLASH
183
184	case $host_os in
185	aix3*)
186	# AIX sometimes has problems with the GCC collect2 program. For some
187	# reason, if we set the COLLECT_NAMES environment variable, the problems
188	# vanish in a puff of smoke.
189	if test "X${COLLECT_NAMES+set}" != Xset; then
190	COLLECT_NAMES=
191	export COLLECT_NAMES
192	fi
193	;;
194	esac
195
196	# Sed substitution that helps us do robust quoting. It backslashifies
197	# metacharacters that are still active within double-quoted strings.
198	sed_quote_subst='s/$[["`$\\]]$/\\\1/g'
199
200	# Same as above, but do not quote variable references.
201	double_quote_subst='s/$[["`\\]]$/\\\1/g'
202
203	# Sed substitution to delay expansion of an escaped shell variable in a
204	# double_quote_subst'ed string.
205	delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
206
207	# Sed substitution to delay expansion of an escaped single quote.
208	delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
209
210	# Sed substitution to avoid accidental globbing in evaled expressions
211	no_glob_subst='s/\/\\\/g'
212
213	# Global variables:
214	ofile=libtool
215	can_build_shared=yes
216
217	# All known linkers require a `.a' archive for static linking (except MSVC,
218	# which needs '.lib').
219	libext=a
220
221	with_gnu_ld="$lt_cv_prog_gnu_ld"
222
223	old_CC="$CC"
224	old_CFLAGS="$CFLAGS"
225
226	# Set sane defaults for various variables
227	test -z "$CC" && CC=cc
228	test -z "$LTCC" && LTCC=$CC
229	test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
230	test -z "$LD" && LD=ld
231	test -z "$ac_objext" && ac_objext=o
232
233	_LT_CC_BASENAME([$compiler])
234
235	# Only perform the check for file, if the check method requires it
236	test -z "$MAGIC_CMD" && MAGIC_CMD=file
237	case $deplibs_check_method in
238	file_magic*)
239	if test "$file_magic_cmd" = '$MAGIC_CMD'; then
240	_LT_PATH_MAGIC
241	fi
242	;;
243	esac
244
245	# Use C for the default configuration in the libtool script
246	LT_SUPPORTED_TAG([CC])
247	_LT_LANG_C_CONFIG
248	_LT_LANG_DEFAULT_CONFIG
249	_LT_CONFIG_COMMANDS
250	])# _LT_SETUP
251
252
253	# _LT_PROG_LTMAIN
254	# ---------------
255	# Note that this code is called both from `configure', and `config.status'
256	# now that we use AC_CONFIG_COMMANDS to generate libtool. Notably,
257	# `config.status' has no value for ac_aux_dir unless we are using Automake,
258	# so we pass a copy along to make sure it has a sensible value anyway.
259	m4_defun([_LT_PROG_LTMAIN],
260	[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl
261	_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir'])
262	ltmain="$ac_aux_dir/ltmain.sh"
263	])# _LT_PROG_LTMAIN
264
265
266	## ------------------------------------- ##
267	## Accumulate code for creating libtool. ##
268	## ------------------------------------- ##
269
270	# So that we can recreate a full libtool script including additional
271	# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS
272	# in macros and then make a single call at the end using the `libtool'
273	# label.
274
275
276	# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS])
277	# ----------------------------------------
278	# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later.
279	m4_define([_LT_CONFIG_LIBTOOL_INIT],
280	[m4_ifval([$1],
281	[m4_append([_LT_OUTPUT_LIBTOOL_INIT],
282	[$1
283	])])])
284
285	# Initialize.
286	m4_define([_LT_OUTPUT_LIBTOOL_INIT])
287
288
289	# _LT_CONFIG_LIBTOOL([COMMANDS])
290	# ------------------------------
291	# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later.
292	m4_define([_LT_CONFIG_LIBTOOL],
293	[m4_ifval([$1],
294	[m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS],
295	[$1
296	])])])
297
298	# Initialize.
299	m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS])
300
301
302	# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS])
303	# -----------------------------------------------------
304	m4_defun([_LT_CONFIG_SAVE_COMMANDS],
305	[_LT_CONFIG_LIBTOOL([$1])
306	_LT_CONFIG_LIBTOOL_INIT([$2])
307	])
308
309
310	# _LT_FORMAT_COMMENT([COMMENT])
311	# -----------------------------
312	# Add leading comment marks to the start of each line, and a trailing
313	# full-stop to the whole comment if one is not present already.
314	m4_define([_LT_FORMAT_COMMENT],
315	[m4_ifval([$1], [
316	m4_bpatsubst([m4_bpatsubst([$1], [^ ], [# ])],*
317	[['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.])
318	)])
319
320
321
322	## ------------------------ ##
323	## FIXME: Eliminate VARNAME ##
324	## ------------------------ ##
325
326
327	# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?])
328	# -------------------------------------------------------------------
329	# CONFIGNAME is the name given to the value in the libtool script.
330	# VARNAME is the (base) name used in the configure script.
331	# VALUE may be 0, 1 or 2 for a computed quote escaped value based on
332	# VARNAME. Any other value will be used directly.
333	m4_define([_LT_DECL],
334	[lt_if_append_uniq([lt_decl_varnames], [$2], [, ],
335	[lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name],
336	[m4_ifval([$1], [$1], [$2])])
337	lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3])
338	m4_ifval([$4],
339	[lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])])
340	lt_dict_add_subkey([lt_decl_dict], [$2],
341	[tagged?], [m4_ifval([$5], [yes], [no])])])
342	])
343
344
345	# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION])
346	# --------------------------------------------------------
347	m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])])
348
349
350	# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...])
351	# ------------------------------------------------
352	m4_define([lt_decl_tag_varnames],
353	[_lt_decl_filter([tagged?], [yes], $@)])
354
355
356	# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..])
357	# ---------------------------------------------------------
358	m4_define([_lt_decl_filter],
359	[m4_case([$#],
360	[0], [m4_fatal([$0: too few arguments: $#])],
361	[1], [m4_fatal([$0: too few arguments: $#: $1])],
362	[2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)],
363	[3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)],
364	[lt_dict_filter([lt_decl_dict], $@)])[]dnl
365	])
366
367
368	# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...])
369	# --------------------------------------------------
370	m4_define([lt_decl_quote_varnames],
371	[_lt_decl_filter([value], [1], $@)])
372
373
374	# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...])
375	# ---------------------------------------------------
376	m4_define([lt_decl_dquote_varnames],
377	[_lt_decl_filter([value], [2], $@)])
378
379
380	# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])
381	# ---------------------------------------------------
382	m4_define([lt_decl_varnames_tagged],
383	[m4_assert([$# <= 2])dnl
384	_$0(m4_quote(m4_default([$1], [[, ]])),
385	m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]),
386	m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))])
387	m4_define([_lt_decl_varnames_tagged],
388	[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])])
389
390
391	# lt_decl_all_varnames([SEPARATOR], [VARNAME1...])
392	# ------------------------------------------------
393	m4_define([lt_decl_all_varnames],
394	[_$0(m4_quote(m4_default([$1], [[, ]])),
395	m4_if([$2], [],
396	m4_quote(lt_decl_varnames),
397	m4_quote(m4_shift($@))))[]dnl
398	])
399	m4_define([_lt_decl_all_varnames],
400	[lt_join($@, lt_decl_varnames_tagged([$1],
401	lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl
402	])
403
404
405	# _LT_CONFIG_STATUS_DECLARE([VARNAME])
406	# ------------------------------------
407	# Quote a variable value, and forward it to `config.status' so that its
408	# declaration there will have the same value as in `configure'. VARNAME
409	# must have a single quote delimited value for this to work.
410	m4_define([_LT_CONFIG_STATUS_DECLARE],
411	[$1='`$ECHO "X$][$1" \| $Xsed -e "$delay_single_quote_subst"`'])
412
413
414	# _LT_CONFIG_STATUS_DECLARATIONS
415	# ------------------------------
416	# We delimit libtool config variables with single quotes, so when
417	# we write them to config.status, we have to be sure to quote all
418	# embedded single quotes properly. In configure, this macro expands
419	# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
420	#
421	# <var>='`$ECHO "X$<var>" \| $Xsed -e "$delay_single_quote_subst"`'
422	m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],
423	[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),
424	[m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])
425
426
427	# _LT_LIBTOOL_TAGS
428	# ----------------
429	# Output comment and list of tags supported by the script
430	m4_defun([_LT_LIBTOOL_TAGS],
431	[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl
432	available_tags="_LT_TAGS"dnl
433	])
434
435
436	# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])
437	# -----------------------------------
438	# Extract the dictionary values for VARNAME (optionally with TAG) and
439	# expand to a commented shell variable setting:
440	#
441	# # Some comment about what VAR is for.
442	# visible_name=$lt_internal_name
443	m4_define([_LT_LIBTOOL_DECLARE],
444	[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],
445	[description])))[]dnl
446	m4_pushdef([_libtool_name],
447	m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl
448	m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),
449	[0], [_libtool_name=[$]$1],
450	[1], [_libtool_name=$lt_[]$1],
451	[2], [_libtool_name=$lt_[]$1],
452	[_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl
453	m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl
454	])
455
456
457	# _LT_LIBTOOL_CONFIG_VARS
458	# -----------------------
459	# Produce commented declarations of non-tagged libtool config variables
460	# suitable for insertion in the LIBTOOL CONFIG section of the `libtool'
461	# script. Tagged libtool config variables (even for the LIBTOOL CONFIG
462	# section) are produced by _LT_LIBTOOL_TAG_VARS.
463	m4_defun([_LT_LIBTOOL_CONFIG_VARS],
464	[m4_foreach([_lt_var],
465	m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)),
466	[m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])])
467
468
469	# _LT_LIBTOOL_TAG_VARS(TAG)
470	# -------------------------
471	m4_define([_LT_LIBTOOL_TAG_VARS],
472	[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames),
473	[m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])])
474
475
476	# _LT_TAGVAR(VARNAME, [TAGNAME])
477	# ------------------------------
478	m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])
479
480
481	# _LT_CONFIG_COMMANDS
482	# -------------------
483	# Send accumulated output to $CONFIG_STATUS. Thanks to the lists of
484	# variables for single and double quote escaping we saved from calls
485	# to _LT_DECL, we can put quote escaped variables declarations
486	# into `config.status', and then the shell code to quote escape them in
487	# for loops in `config.status'. Finally, any additional code accumulated
488	# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
489	m4_defun([_LT_CONFIG_COMMANDS],
490	[AC_PROVIDE_IFELSE([LT_OUTPUT],
491	dnl If the libtool generation code has been placed in $CONFIG_LT,
492	dnl instead of duplicating it all over again into config.status,
493	dnl then we will have config.status run $CONFIG_LT later, so it
494	dnl needs to know what name is stored there:
495	[AC_CONFIG_COMMANDS([libtool],
496	[$SHELL $CONFIG_LT \|\| AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],
497	dnl If the libtool generation code is destined for config.status,
498	dnl expand the accumulated commands and init code now:
499	[AC_CONFIG_COMMANDS([libtool],
500	[_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])
501	])#_LT_CONFIG_COMMANDS
502
503
504	# Initialize.
505	m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],
506	[
507
508	# The HP-UX ksh and POSIX shell print the target directory to stdout
509	# if CDPATH is set.
510	(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
511
512	sed_quote_subst='$sed_quote_subst'
513	double_quote_subst='$double_quote_subst'
514	delay_variable_subst='$delay_variable_subst'
515	_LT_CONFIG_STATUS_DECLARATIONS
516	LTCC='$LTCC'
517	LTCFLAGS='$LTCFLAGS'
518	compiler='$compiler_DEFAULT'
519
520	# Quote evaled strings.
521	for var in lt_decl_all_varnames([[ \
522	]], lt_decl_quote_varnames); do
523	case \`eval \\\\\$ECHO "X\\\\\$\$var"\` in
524	[[\\\\\\\`\\"\\\$]])
525	eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" \| \\\$Xsed -e \\"\\\$sed_quote_subst\\"\\\`\\\\\\""
526	;;
527	*)
528	eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
529	;;
530	esac
531	done
532
533	# Double-quote double-evaled strings.
534	for var in lt_decl_all_varnames([[ \
535	]], lt_decl_dquote_varnames); do
536	case \`eval \\\\\$ECHO "X\\\\\$\$var"\` in
537	[[\\\\\\\`\\"\\\$]])
538	eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" \| \\\$Xsed -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\""
539	;;
540	*)
541	eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
542	;;
543	esac
544	done
545
546	# Fix-up fallback echo if it was mangled by the above quoting rules.
547	case \$lt_ECHO in
548	'\\\[$]0 --fallback-echo"')dnl "*
549	lt_ECHO=\`\$ECHO "X\$lt_ECHO" \| \$Xsed -e 's/\\\\\\\\\\\\\\\[$]0 --fallback-echo"\[$]/\[$]0 --fallback-echo"/'\`
550	;;
551	esac
552
553	_LT_OUTPUT_LIBTOOL_INIT
554	])
555
556
557	# LT_OUTPUT
558	# ---------
559	# This macro allows early generation of the libtool script (before
560	# AC_OUTPUT is called), incase it is used in configure for compilation
561	# tests.
562	AC_DEFUN([LT_OUTPUT],
563	[: ${CONFIG_LT=./config.lt}
564	AC_MSG_NOTICE([creating $CONFIG_LT])
565	cat >"$CONFIG_LT" <<_LTEOF
566	#! $SHELL
567	# Generated by $as_me.
568	# Run this file to recreate a libtool stub with the current configuration.
569
570	lt_cl_silent=false
571	SHELL=\${CONFIG_SHELL-$SHELL}
572	_LTEOF
573
574	cat >>"$CONFIG_LT" <<\_LTEOF
575	AS_SHELL_SANITIZE
576	_AS_PREPARE
577
578	exec AS_MESSAGE_FD>&1
579	exec AS_MESSAGE_LOG_FD>>config.log
580	{
581	echo
582	AS_BOX([Running $as_me.])
583	} >&AS_MESSAGE_LOG_FD
584
585	lt_cl_help="\
586	\`$as_me' creates a local libtool stub from the current configuration,
587	for use in further configure time tests before the real libtool is
588	generated.
589
590	Usage: $[0] [[OPTIONS]]
591
592	-h, --help print this help, then exit
593	-V, --version print version number, then exit
594	-q, --quiet do not print progress messages
595	-d, --debug don't remove temporary files
596
597	Report bugs to <bug-libtool@gnu.org>."
598
599	lt_cl_version="\
600	m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
601	m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
602	configured by $[0], generated by m4_PACKAGE_STRING.
603
604	Copyright (C) 2008 Free Software Foundation, Inc.
605	This config.lt script is free software; the Free Software Foundation
606	gives unlimited permision to copy, distribute and modify it."
607
608	while test $[#] != 0
609	do
610	case $[1] in
611	--version \| --v* \| -V )
612	echo "$lt_cl_version"; exit 0 ;;
613	--help \| --h* \| -h )
614	echo "$lt_cl_help"; exit 0 ;;
615	--debug \| --d* \| -d )
616	debug=: ;;
617	--quiet \| --q* \| --silent \| --s* \| -q )
618	lt_cl_silent=: ;;
619
620	-*) AC_MSG_ERROR([unrecognized option: $[1]
621	Try \`$[0] --help' for more information.]) ;;
622
623	*) AC_MSG_ERROR([unrecognized argument: $[1]
624	Try \`$[0] --help' for more information.]) ;;
625	esac
626	shift
627	done
628
629	if $lt_cl_silent; then
630	exec AS_MESSAGE_FD>/dev/null
631	fi
632	_LTEOF
633
634	cat >>"$CONFIG_LT" <<_LTEOF
635	_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
636	_LTEOF
637
638	cat >>"$CONFIG_LT" <<\_LTEOF
639	AC_MSG_NOTICE([creating $ofile])
640	_LT_OUTPUT_LIBTOOL_COMMANDS
641	AS_EXIT(0)
642	_LTEOF
643	chmod +x "$CONFIG_LT"
644
645	# configure is writing to config.log, but config.lt does its own redirection,
646	# appending to config.log, which fails on DOS, as config.log is still kept
647	# open by configure. Here we exec the FD to /dev/null, effectively closing
648	# config.log, so it can be properly (re)opened and appended to by config.lt.
649	if test "$no_create" != yes; then
650	lt_cl_success=:
651	test "$silent" = yes &&
652	lt_config_lt_args="$lt_config_lt_args --quiet"
653	exec AS_MESSAGE_LOG_FD>/dev/null
654	$SHELL "$CONFIG_LT" $lt_config_lt_args \|\| lt_cl_success=false
655	exec AS_MESSAGE_LOG_FD>>config.log
656	$lt_cl_success \|\| AS_EXIT(1)
657	fi
658	])# LT_OUTPUT
659
660
661	# _LT_CONFIG(TAG)
662	# ---------------
663	# If TAG is the built-in tag, create an initial libtool script with a
664	# default configuration from the untagged config vars. Otherwise add code
665	# to config.status for appending the configuration named by TAG from the
666	# matching tagged config vars.
667	m4_defun([_LT_CONFIG],
668	[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
669	_LT_CONFIG_SAVE_COMMANDS([
670	m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl
671	m4_if(_LT_TAG, [C], [
672	# See if we are running on zsh, and set the options which allow our
673	# commands through without removal of \ escapes.
674	if test -n "${ZSH_VERSION+set}" ; then
675	setopt NO_GLOB_SUBST
676	fi
677
678	cfgfile="${ofile}T"
679	trap "$RM \"$cfgfile\"; exit 1" 1 2 15
680	$RM "$cfgfile"
681
682	cat <<_LT_EOF >> "$cfgfile"
683	#! $SHELL
684
685	# `$ECHO "$ofile" \| sed 's%^./%%'` - Provide generalized library-building support services.*
686	# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION
687	# Libtool was configured on host `(hostname \|\| uname -n) 2>/dev/null \| sed 1q`:
688	# NOTE: Changes made to this file will be lost: look at ltmain.sh.
689	#
690	_LT_COPYING
691	_LT_LIBTOOL_TAGS
692
693	# ### BEGIN LIBTOOL CONFIG
694	_LT_LIBTOOL_CONFIG_VARS
695	_LT_LIBTOOL_TAG_VARS
696	# ### END LIBTOOL CONFIG
697
698	_LT_EOF
699
700	case $host_os in
701	aix3*)
702	cat <<\_LT_EOF >> "$cfgfile"
703	# AIX sometimes has problems with the GCC collect2 program. For some
704	# reason, if we set the COLLECT_NAMES environment variable, the problems
705	# vanish in a puff of smoke.
706	if test "X${COLLECT_NAMES+set}" != Xset; then
707	COLLECT_NAMES=
708	export COLLECT_NAMES
709	fi
710	_LT_EOF
711	;;
712	esac
713
714	_LT_PROG_LTMAIN
715
716	# We use sed instead of cat because bash on DJGPP gets confused if
717	# if finds mixed CR/LF and LF-only lines. Since sed operates in
718	# text mode, it properly converts lines to CR/LF. This bash problem
719	# is reportedly fixed, but why not run on old versions too?
720	sed '/^# Generated shell functions inserted here/q' "$ltmain" >> "$cfgfile" \
721	\|\| (rm -f "$cfgfile"; exit 1)
722
723	_LT_PROG_XSI_SHELLFNS
724
725	sed -n '/^# Generated shell functions inserted here/,$p' "$ltmain" >> "$cfgfile" \
726	\|\| (rm -f "$cfgfile"; exit 1)
727
728	mv -f "$cfgfile" "$ofile" \|\|
729	(rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
730	chmod +x "$ofile"
731	],
732	[cat <<_LT_EOF >> "$ofile"
733
734	dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded
735	dnl in a comment (ie after a #).
736	# ### BEGIN LIBTOOL TAG CONFIG: $1
737	_LT_LIBTOOL_TAG_VARS(_LT_TAG)
738	# ### END LIBTOOL TAG CONFIG: $1
739	_LT_EOF
740	])dnl /m4_if
741	],
742	[m4_if([$1], [], [
743	PACKAGE='$PACKAGE'
744	VERSION='$VERSION'
745	TIMESTAMP='$TIMESTAMP'
746	RM='$RM'
747	ofile='$ofile'], [])
748	])dnl /_LT_CONFIG_SAVE_COMMANDS
749	])# _LT_CONFIG
750
751
752	# LT_SUPPORTED_TAG(TAG)
753	# ---------------------
754	# Trace this macro to discover what tags are supported by the libtool
755	# --tag option, using:
756	# autoconf --trace 'LT_SUPPORTED_TAG:$1'
757	AC_DEFUN([LT_SUPPORTED_TAG], [])
758
759
760	# C support is built-in for now
761	m4_define([_LT_LANG_C_enabled], [])
762	m4_define([_LT_TAGS], [])
763
764
765	# LT_LANG(LANG)
766	# -------------
767	# Enable libtool support for the given language if not already enabled.
768	AC_DEFUN([LT_LANG],
769	[AC_BEFORE([$0], [LT_OUTPUT])dnl
770	m4_case([$1],
771	[C], [_LT_LANG(C)],
772	[C++], [_LT_LANG(CXX)],
773	[Java], [_LT_LANG(GCJ)],
774	[Fortran 77], [_LT_LANG(F77)],
775	[Fortran], [_LT_LANG(FC)],
776	[Windows Resource], [_LT_LANG(RC)],
777	[m4_ifdef([_LT_LANG_]$1[_CONFIG],
778	[_LT_LANG($1)],
779	[m4_fatal([$0: unsupported language: "$1"])])])dnl
780	])# LT_LANG
781
782
783	# _LT_LANG(LANGNAME)
784	# ------------------
785	m4_defun([_LT_LANG],
786	[m4_ifdef([_LT_LANG_]$1[_enabled], [],
787	[LT_SUPPORTED_TAG([$1])dnl
788	m4_append([_LT_TAGS], [$1 ])dnl
789	m4_define([_LT_LANG_]$1[_enabled], [])dnl
790	_LT_LANG_$1_CONFIG($1)])dnl
791	])# _LT_LANG
792
793
794	# _LT_LANG_DEFAULT_CONFIG
795	# -----------------------
796	m4_defun([_LT_LANG_DEFAULT_CONFIG],
797	[AC_PROVIDE_IFELSE([AC_PROG_CXX],
798	[LT_LANG(CXX)],
799	[m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])])
800
801	AC_PROVIDE_IFELSE([AC_PROG_F77],
802	[LT_LANG(F77)],
803	[m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])])
804
805	AC_PROVIDE_IFELSE([AC_PROG_FC],
806	[LT_LANG(FC)],
807	[m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])])
808
809	dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal
810	dnl pulling things in needlessly.
811	AC_PROVIDE_IFELSE([AC_PROG_GCJ],
812	[LT_LANG(GCJ)],
813	[AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
814	[LT_LANG(GCJ)],
815	[AC_PROVIDE_IFELSE([LT_PROG_GCJ],
816	[LT_LANG(GCJ)],
817	[m4_ifdef([AC_PROG_GCJ],
818	[m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])])
819	m4_ifdef([A][M_PROG_GCJ],
820	[m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])])
821	m4_ifdef([LT_PROG_GCJ],
822	[m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])])
823
824	AC_PROVIDE_IFELSE([LT_PROG_RC],
825	[LT_LANG(RC)],
826	[m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])])
827	])# _LT_LANG_DEFAULT_CONFIG
828
829	# Obsolete macros:
830	AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)])
831	AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)])
832	AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)])
833	AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)])
834	dnl aclocal-1.4 backwards compatibility:
835	dnl AC_DEFUN([AC_LIBTOOL_CXX], [])
836	dnl AC_DEFUN([AC_LIBTOOL_F77], [])
837	dnl AC_DEFUN([AC_LIBTOOL_FC], [])
838	dnl AC_DEFUN([AC_LIBTOOL_GCJ], [])
839
840
841	# _LT_TAG_COMPILER
842	# ----------------
843	m4_defun([_LT_TAG_COMPILER],
844	[AC_REQUIRE([AC_PROG_CC])dnl
845
846	_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl
847	_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl
848	_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl
849	_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl
850
851	# If no C compiler was specified, use CC.
852	LTCC=${LTCC-"$CC"}
853
854	# If no C compiler flags were specified, use CFLAGS.
855	LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
856
857	# Allow CC to be a program name with arguments.
858	compiler=$CC
859	])# _LT_TAG_COMPILER
860
861
862	# _LT_COMPILER_BOILERPLATE
863	# ------------------------
864	# Check for compiler boilerplate output or warnings with
865	# the simple compiler test code.
866	m4_defun([_LT_COMPILER_BOILERPLATE],
867	[m4_require([_LT_DECL_SED])dnl
868	ac_outfile=conftest.$ac_objext
869	echo "$lt_simple_compile_test_code" >conftest.$ac_ext
870	eval "$ac_compile" 2>&1 >/dev/null \| $SED '/^$/d; /^ *+/d' >conftest.err
871	_lt_compiler_boilerplate=`cat conftest.err`
872	$RM conftest*
873	])# _LT_COMPILER_BOILERPLATE
874
875
876	# _LT_LINKER_BOILERPLATE
877	# ----------------------
878	# Check for linker boilerplate output or warnings with
879	# the simple link test code.
880	m4_defun([_LT_LINKER_BOILERPLATE],
881	[m4_require([_LT_DECL_SED])dnl
882	ac_outfile=conftest.$ac_objext
883	echo "$lt_simple_link_test_code" >conftest.$ac_ext
884	eval "$ac_link" 2>&1 >/dev/null \| $SED '/^$/d; /^ *+/d' >conftest.err
885	_lt_linker_boilerplate=`cat conftest.err`
886	$RM -r conftest*
887	])# _LT_LINKER_BOILERPLATE
888
889	# _LT_REQUIRED_DARWIN_CHECKS
890	# -------------------------
891	m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
892	case $host_os in
893	rhapsody* \| darwin*)
894	AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
895	AC_CHECK_TOOL([NMEDIT], [nmedit], [:])
896	AC_CHECK_TOOL([LIPO], [lipo], [:])
897	AC_CHECK_TOOL([OTOOL], [otool], [:])
898	AC_CHECK_TOOL([OTOOL64], [otool64], [:])
899	_LT_DECL([], [DSYMUTIL], [1],
900	[Tool to manipulate archived DWARF debug symbol files on Mac OS X])
901	_LT_DECL([], [NMEDIT], [1],
902	[Tool to change global to local symbols on Mac OS X])
903	_LT_DECL([], [LIPO], [1],
904	[Tool to manipulate fat objects and archives on Mac OS X])
905	_LT_DECL([], [OTOOL], [1],
906	[ldd/readelf like tool for Mach-O binaries on Mac OS X])
907	_LT_DECL([], [OTOOL64], [1],
908	[ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4])
909
910	AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
911	[lt_cv_apple_cc_single_mod=no
912	if test -z "${LT_MULTI_MODULE}"; then
913	# By default we will add the -single_module flag. You can override
914	# by either setting the environment variable LT_MULTI_MODULE
915	# non-empty at configure time, or by adding -multi_module to the
916	# link flags.
917	rm -rf libconftest.dylib*
918	echo "int foo(void){return 1;}" > conftest.c
919	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
920	-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD
921	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
922	-dynamiclib -Wl,-single_module conftest.c 2>conftest.err
923	_lt_result=$?
924	if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then
925	lt_cv_apple_cc_single_mod=yes
926	else
927	cat conftest.err >&AS_MESSAGE_LOG_FD
928	fi
929	rm -rf libconftest.dylib*
930	rm -f conftest.*
931	fi])
932	AC_CACHE_CHECK([for -exported_symbols_list linker flag],
933	[lt_cv_ld_exported_symbols_list],
934	[lt_cv_ld_exported_symbols_list=no
935	save_LDFLAGS=$LDFLAGS
936	echo "_main" > conftest.sym
937	LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
938	AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
939	[lt_cv_ld_exported_symbols_list=yes],
940	[lt_cv_ld_exported_symbols_list=no])
941	LDFLAGS="$save_LDFLAGS"
942	])
943	case $host_os in
944	rhapsody* \| darwin1.[[012]])
945	_lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
946	darwin1.*)
947	_lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
948	darwin) # darwin 5.x on*
949	# if running on 10.5 or later, the deployment target defaults
950	# to the OS version, if on x86, and 10.4, the deployment
951	# target defaults to 10.4. Don't you love it?
952	case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
953	10.0,86-darwin8\|10.0,-darwin[[91]]*)
954	_lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
955	10.[[012]]*)
956	_lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
957	10.*)
958	_lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
959	esac
960	;;
961	esac
962	if test "$lt_cv_apple_cc_single_mod" = "yes"; then
963	_lt_dar_single_mod='$single_module'
964	fi
965	if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
966	_lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
967	else
968	_lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}'
969	fi
970	if test "$DSYMUTIL" != ":"; then
971	_lt_dsymutil='~$DSYMUTIL $lib \|\| :'
972	else
973	_lt_dsymutil=
974	fi
975	;;
976	esac
977	])
978
979
980	# _LT_DARWIN_LINKER_FEATURES
981	# --------------------------
982	# Checks for linker and compiler features on darwin
983	m4_defun([_LT_DARWIN_LINKER_FEATURES],
984	[
985	m4_require([_LT_REQUIRED_DARWIN_CHECKS])
986	_LT_TAGVAR(archive_cmds_need_lc, $1)=no
987	_LT_TAGVAR(hardcode_direct, $1)=no
988	_LT_TAGVAR(hardcode_automatic, $1)=yes
989	_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
990	_LT_TAGVAR(whole_archive_flag_spec, $1)=''
991	_LT_TAGVAR(link_all_deplibs, $1)=yes
992	_LT_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined"
993	case $cc_basename in
994	ifort*) _lt_dar_can_shared=yes ;;
995	*) _lt_dar_can_shared=$GCC ;;
996	esac
997	if test "$_lt_dar_can_shared" = "yes"; then
998	output_verbose_link_cmd=echo
999	_LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
1000	_LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
1001	_LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
1002	_LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
1003	m4_if([$1], [CXX],
1004	[ if test "$lt_cv_apple_cc_single_mod" != "yes"; then
1005	_LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}"
1006	_LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}"
1007	fi
1008	],[])
1009	else
1010	_LT_TAGVAR(ld_shlibs, $1)=no
1011	fi
1012	])
1013
1014	# _LT_SYS_MODULE_PATH_AIX
1015	# -----------------------
1016	# Links a minimal program and checks the executable
1017	# for the system default hardcoded library path. In most cases,
1018	# this is /usr/lib:/lib, but when the MPI compilers are used
1019	# the location of the communication and MPI libs are included too.
1020	# If we don't find anything, use the default library path according
1021	# to the aix ld manual.
1022	m4_defun([_LT_SYS_MODULE_PATH_AIX],
1023	[m4_require([_LT_DECL_SED])dnl
1024	AC_LINK_IFELSE(AC_LANG_PROGRAM,[
1025	lt_aix_libpath_sed='
1026	/Import File Strings/,/^$/ {
1027	/^0/ {
1028	s/^0 $.$$/\1/
1029	p
1030	}
1031	}'
1032	aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null \| $SED -n -e "$lt_aix_libpath_sed"`
1033	# Check for a 64-bit object if we didn't find anything.
1034	if test -z "$aix_libpath"; then
1035	aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null \| $SED -n -e "$lt_aix_libpath_sed"`
1036	fi],[])
1037	if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
1038	])# _LT_SYS_MODULE_PATH_AIX
1039
1040
1041	# _LT_SHELL_INIT(ARG)
1042	# -------------------
1043	m4_define([_LT_SHELL_INIT],
1044	[ifdef([AC_DIVERSION_NOTICE],
1045	[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
1046	[AC_DIVERT_PUSH(NOTICE)])
1047	$1
1048	AC_DIVERT_POP
1049	])# _LT_SHELL_INIT
1050
1051
1052	# _LT_PROG_ECHO_BACKSLASH
1053	# -----------------------
1054	# Add some code to the start of the generated configure script which
1055	# will find an echo command which doesn't interpret backslashes.
1056	m4_defun([_LT_PROG_ECHO_BACKSLASH],
1057	[_LT_SHELL_INIT([
1058	# Check that we are running under the correct shell.
1059	SHELL=${CONFIG_SHELL-/bin/sh}
1060
1061	case X$lt_ECHO in
1062	X*--fallback-echo)
1063	# Remove one level of quotation (which was required for Make).
1064	ECHO=`echo "$lt_ECHO" \| sed 's,\\\\\[$]\\[$]0,'[$]0','`
1065	;;
1066	esac
1067
1068	ECHO=${lt_ECHO-echo}
1069	if test "X[$]1" = X--no-reexec; then
1070	# Discard the --no-reexec flag, and continue.
1071	shift
1072	elif test "X[$]1" = X--fallback-echo; then
1073	# Avoid inline document here, it may be left over
1074	:
1075	elif test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' ; then
1076	# Yippee, $ECHO works!
1077	:
1078	else
1079	# Restart under the correct shell.
1080	exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}
1081	fi
1082
1083	if test "X[$]1" = X--fallback-echo; then
1084	# used as fallback echo
1085	shift
1086	cat <<_LT_EOF
1087	[$]*
1088	_LT_EOF
1089	exit 0
1090	fi
1091
1092	# The HP-UX ksh and POSIX shell print the target directory to stdout
1093	# if CDPATH is set.
1094	(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
1095
1096	if test -z "$lt_ECHO"; then
1097	if test "X${echo_test_string+set}" != Xset; then
1098	# find a string as large as possible, as long as the shell can cope with it
1099	for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
1100	# expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
1101	if { echo_test_string=`eval $cmd`; } 2>/dev/null &&
1102	{ test "X$echo_test_string" = "X$echo_test_string"; } 2>/dev/null
1103	then
1104	break
1105	fi
1106	done
1107	fi
1108
1109	if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' &&
1110	echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` &&
1111	test "X$echo_testing_string" = "X$echo_test_string"; then
1112	:
1113	else
1114	# The Solaris, AIX, and Digital Unix default echo programs unquote
1115	# backslashes. This makes it impossible to quote backslashes using
1116	# echo "$something" \| sed 's/\\/\\\\/g'
1117	#
1118	# So, first we look for a working echo in the user's PATH.
1119
1120	lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
1121	for dir in $PATH /usr/ucb; do
1122	IFS="$lt_save_ifs"
1123	if (test -f $dir/echo \|\| test -f $dir/echo$ac_exeext) &&
1124	test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
1125	echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
1126	test "X$echo_testing_string" = "X$echo_test_string"; then
1127	ECHO="$dir/echo"
1128	break
1129	fi
1130	done
1131	IFS="$lt_save_ifs"
1132
1133	if test "X$ECHO" = Xecho; then
1134	# We didn't find a better echo, so look for alternatives.
1135	if test "X`{ print -r '\t'; } 2>/dev/null`" = 'X\t' &&
1136	echo_testing_string=`{ print -r "$echo_test_string"; } 2>/dev/null` &&
1137	test "X$echo_testing_string" = "X$echo_test_string"; then
1138	# This shell has a builtin print -r that does the trick.
1139	ECHO='print -r'
1140	elif { test -f /bin/ksh \|\| test -f /bin/ksh$ac_exeext; } &&
1141	test "X$CONFIG_SHELL" != X/bin/ksh; then
1142	# If we have ksh, try running configure again with it.
1143	ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1144	export ORIGINAL_CONFIG_SHELL
1145	CONFIG_SHELL=/bin/ksh
1146	export CONFIG_SHELL
1147	exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
1148	else
1149	# Try using printf.
1150	ECHO='printf %s\n'
1151	if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' &&
1152	echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` &&
1153	test "X$echo_testing_string" = "X$echo_test_string"; then
1154	# Cool, printf works
1155	:
1156	elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
1157	test "X$echo_testing_string" = 'X\t' &&
1158	echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
1159	test "X$echo_testing_string" = "X$echo_test_string"; then
1160	CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
1161	export CONFIG_SHELL
1162	SHELL="$CONFIG_SHELL"
1163	export SHELL
1164	ECHO="$CONFIG_SHELL [$]0 --fallback-echo"
1165	elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
1166	test "X$echo_testing_string" = 'X\t' &&
1167	echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
1168	test "X$echo_testing_string" = "X$echo_test_string"; then
1169	ECHO="$CONFIG_SHELL [$]0 --fallback-echo"
1170	else
1171	# maybe with a smaller string...
1172	prev=:
1173
1174	for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
1175	if { test "X$echo_test_string" = "X`eval $cmd`"; } 2>/dev/null
1176	then
1177	break
1178	fi
1179	prev="$cmd"
1180	done
1181
1182	if test "$prev" != 'sed 50q "[$]0"'; then
1183	echo_test_string=`eval $prev`
1184	export echo_test_string
1185	exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}
1186	else
1187	# Oops. We lost completely, so just stick with echo.
1188	ECHO=echo
1189	fi
1190	fi
1191	fi
1192	fi
1193	fi
1194	fi
1195
1196	# Copy echo and quote the copy suitably for passing to libtool from
1197	# the Makefile, instead of quoting the original, which is used later.
1198	lt_ECHO=$ECHO
1199	if test "X$lt_ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then
1200	lt_ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"
1201	fi
1202
1203	AC_SUBST(lt_ECHO)
1204	])
1205	_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts])
1206	_LT_DECL([], [ECHO], [1],
1207	[An echo program that does not interpret backslashes])
1208	])# _LT_PROG_ECHO_BACKSLASH
1209
1210
1211	# _LT_ENABLE_LOCK
1212	# ---------------
1213	m4_defun([_LT_ENABLE_LOCK],
1214	[AC_ARG_ENABLE([libtool-lock],
1215	[AS_HELP_STRING([--disable-libtool-lock],
1216	[avoid locking (might break parallel builds)])])
1217	test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
1218
1219	# Some flags need to be propagated to the compiler or linker for good
1220	# libtool support.
1221	case $host in
1222	*ia64--hpux)*
1223	# Find out which ABI we are using.
1224	echo 'int i;' > conftest.$ac_ext
1225	if AC_TRY_EVAL(ac_compile); then
1226	case `/usr/bin/file conftest.$ac_objext` in
1227	ELF-32)
1228	HPUX_IA64_MODE="32"
1229	;;
1230	ELF-64)
1231	HPUX_IA64_MODE="64"
1232	;;
1233	esac
1234	fi
1235	rm -rf conftest*
1236	;;
1237	--irix6*)
1238	# Find out which ABI we are using.
1239	echo '[#]line __oline__ "configure"' > conftest.$ac_ext
1240	if AC_TRY_EVAL(ac_compile); then
1241	if test "$lt_cv_prog_gnu_ld" = yes; then
1242	case `/usr/bin/file conftest.$ac_objext` in
1243	32-bit)
1244	LD="${LD-ld} -melf32bsmip"
1245	;;
1246	N32)
1247	LD="${LD-ld} -melf32bmipn32"
1248	;;
1249	64-bit)
1250	LD="${LD-ld} -melf64bmip"
1251	;;
1252	esac
1253	else
1254	case `/usr/bin/file conftest.$ac_objext` in
1255	32-bit)
1256	LD="${LD-ld} -32"
1257	;;
1258	N32)
1259	LD="${LD-ld} -n32"
1260	;;
1261	64-bit)
1262	LD="${LD-ld} -64"
1263	;;
1264	esac
1265	fi
1266	fi
1267	rm -rf conftest*
1268	;;
1269
1270	x86_64-kfreebsd-gnu\|x86_64-linux\|ppc-linux\|powerpc-linux\| \
1271	s390-linux\|s390-tpf\|sparc-linux*)
1272	# Find out which ABI we are using.
1273	echo 'int i;' > conftest.$ac_ext
1274	if AC_TRY_EVAL(ac_compile); then
1275	case `/usr/bin/file conftest.o` in
1276	32-bit)
1277	case $host in
1278	x86_64-kfreebsd-gnu)
1279	LD="${LD-ld} -m elf_i386_fbsd"
1280	;;
1281	x86_64-linux)
1282	LD="${LD-ld} -m elf_i386"
1283	;;
1284	ppc64-linux\|powerpc64-linux)
1285	LD="${LD-ld} -m elf32ppclinux"
1286	;;
1287	s390x-linux)
1288	LD="${LD-ld} -m elf_s390"
1289	;;
1290	sparc64-linux)
1291	LD="${LD-ld} -m elf32_sparc"
1292	;;
1293	esac
1294	;;
1295	64-bit)
1296	case $host in
1297	x86_64-kfreebsd-gnu)
1298	LD="${LD-ld} -m elf_x86_64_fbsd"
1299	;;
1300	x86_64-linux)
1301	LD="${LD-ld} -m elf_x86_64"
1302	;;
1303	ppc-linux\|powerpc-linux)
1304	LD="${LD-ld} -m elf64ppc"
1305	;;
1306	s390-linux\|s390-tpf)
1307	LD="${LD-ld} -m elf64_s390"
1308	;;
1309	sparc-linux*)
1310	LD="${LD-ld} -m elf64_sparc"
1311	;;
1312	esac
1313	;;
1314	esac
1315	fi
1316	rm -rf conftest*
1317	;;
1318
1319	--sco3.2v5*)
1320	# On SCO OpenServer 5, we need -belf to get full-featured binaries.
1321	SAVE_CFLAGS="$CFLAGS"
1322	CFLAGS="$CFLAGS -belf"
1323	AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
1324	[AC_LANG_PUSH(C)
1325	AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
1326	AC_LANG_POP])
1327	if test x"$lt_cv_cc_needs_belf" != x"yes"; then
1328	# this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
1329	CFLAGS="$SAVE_CFLAGS"
1330	fi
1331	;;
1332	sparc-solaris*)
1333	# Find out which ABI we are using.
1334	echo 'int i;' > conftest.$ac_ext
1335	if AC_TRY_EVAL(ac_compile); then
1336	case `/usr/bin/file conftest.o` in
1337	64-bit)
1338	case $lt_cv_prog_gnu_ld in
1339	yes*) LD="${LD-ld} -m elf64_sparc" ;;
1340	*)
1341	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
1342	LD="${LD-ld} -64"
1343	fi
1344	;;
1345	esac
1346	;;
1347	esac
1348	fi
1349	rm -rf conftest*
1350	;;
1351	esac
1352
1353	need_locks="$enable_libtool_lock"
1354	])# _LT_ENABLE_LOCK
1355
1356
1357	# _LT_CMD_OLD_ARCHIVE
1358	# -------------------
1359	m4_defun([_LT_CMD_OLD_ARCHIVE],
1360	[AC_CHECK_TOOL(AR, ar, false)
1361	test -z "$AR" && AR=ar
1362	test -z "$AR_FLAGS" && AR_FLAGS=cru
1363	_LT_DECL([], [AR], [1], [The archiver])
1364	_LT_DECL([], [AR_FLAGS], [1])
1365
1366	AC_CHECK_TOOL(STRIP, strip, :)
1367	test -z "$STRIP" && STRIP=:
1368	_LT_DECL([], [STRIP], [1], [A symbol stripping program])
1369
1370	AC_CHECK_TOOL(RANLIB, ranlib, :)
1371	test -z "$RANLIB" && RANLIB=:
1372	_LT_DECL([], [RANLIB], [1],
1373	[Commands used to install an old-style archive])
1374
1375	# Determine commands to create old-style static archives.
1376	old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
1377	old_postinstall_cmds='chmod 644 $oldlib'
1378	old_postuninstall_cmds=
1379
1380	if test -n "$RANLIB"; then
1381	case $host_os in
1382	openbsd*)
1383	old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
1384	;;
1385	*)
1386	old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
1387	;;
1388	esac
1389	old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
1390	fi
1391	_LT_DECL([], [old_postinstall_cmds], [2])
1392	_LT_DECL([], [old_postuninstall_cmds], [2])
1393	_LT_TAGDECL([], [old_archive_cmds], [2],
1394	[Commands used to build an old-style archive])
1395	])# _LT_CMD_OLD_ARCHIVE
1396
1397
1398	# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
1399	# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
1400	# ----------------------------------------------------------------
1401	# Check whether the given compiler option works
1402	AC_DEFUN([_LT_COMPILER_OPTION],
1403	[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
1404	m4_require([_LT_DECL_SED])dnl
1405	AC_CACHE_CHECK([$1], [$2],
1406	[$2=no
1407	m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
1408	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
1409	lt_compiler_flag="$3"
1410	# Insert the option either (1) after the last FLAGS variable, or*
1411	# (2) before a word containing "conftest.", or (3) at the end.
1412	# Note that $ac_compile itself does not contain backslashes and begins
1413	# with a dollar sign (not a hyphen), so the echo should work correctly.
1414	# The option is referenced via a variable to avoid confusing sed.
1415	lt_compile=`echo "$ac_compile" \| $SED \
1416	-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
1417	-e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
1418	-e 's:$: $lt_compiler_flag:'`
1419	(eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
1420	(eval "$lt_compile" 2>conftest.err)
1421	ac_status=$?
1422	cat conftest.err >&AS_MESSAGE_LOG_FD
1423	echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
1424	if (exit $ac_status) && test -s "$ac_outfile"; then
1425	# The compiler can only warn and ignore the option if not recognized
1426	# So say no if there are warnings other than the usual output.
1427	$ECHO "X$_lt_compiler_boilerplate" \| $Xsed -e '/^$/d' >conftest.exp
1428	$SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
1429	if test ! -s conftest.er2 \|\| diff conftest.exp conftest.er2 >/dev/null; then
1430	$2=yes
1431	fi
1432	fi
1433	$RM conftest*
1434	])
1435
1436	if test x"[$]$2" = xyes; then
1437	m4_if([$5], , :, [$5])
1438	else
1439	m4_if([$6], , :, [$6])
1440	fi
1441	])# _LT_COMPILER_OPTION
1442
1443	# Old name:
1444	AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION])
1445	dnl aclocal-1.4 backwards compatibility:
1446	dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [])
1447
1448
1449	# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
1450	# [ACTION-SUCCESS], [ACTION-FAILURE])
1451	# ----------------------------------------------------
1452	# Check whether the given linker option works
1453	AC_DEFUN([_LT_LINKER_OPTION],
1454	[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
1455	m4_require([_LT_DECL_SED])dnl
1456	AC_CACHE_CHECK([$1], [$2],
1457	[$2=no
1458	save_LDFLAGS="$LDFLAGS"
1459	LDFLAGS="$LDFLAGS $3"
1460	echo "$lt_simple_link_test_code" > conftest.$ac_ext
1461	if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
1462	# The linker can only warn and ignore the option if not recognized
1463	# So say no if there are warnings
1464	if test -s conftest.err; then
1465	# Append any errors to the config.log.
1466	cat conftest.err 1>&AS_MESSAGE_LOG_FD
1467	$ECHO "X$_lt_linker_boilerplate" \| $Xsed -e '/^$/d' > conftest.exp
1468	$SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
1469	if diff conftest.exp conftest.er2 >/dev/null; then
1470	$2=yes
1471	fi
1472	else
1473	$2=yes
1474	fi
1475	fi
1476	$RM -r conftest*
1477	LDFLAGS="$save_LDFLAGS"
1478	])
1479
1480	if test x"[$]$2" = xyes; then
1481	m4_if([$4], , :, [$4])
1482	else
1483	m4_if([$5], , :, [$5])
1484	fi
1485	])# _LT_LINKER_OPTION
1486
1487	# Old name:
1488	AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION])
1489	dnl aclocal-1.4 backwards compatibility:
1490	dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], [])
1491
1492
1493	# LT_CMD_MAX_LEN
1494	#---------------
1495	AC_DEFUN([LT_CMD_MAX_LEN],
1496	[AC_REQUIRE([AC_CANONICAL_HOST])dnl
1497	# find the maximum length of command line arguments
1498	AC_MSG_CHECKING([the maximum length of command line arguments])
1499	AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
1500	i=0
1501	teststring="ABCD"
1502
1503	case $build_os in
1504	msdosdjgpp*)
1505	# On DJGPP, this test can blow up pretty badly due to problems in libc
1506	# (any single argument exceeding 2000 bytes causes a buffer overrun
1507	# during glob expansion). Even if it were fixed, the result of this
1508	# check would be larger than it should be.
1509	lt_cv_sys_max_cmd_len=12288; # 12K is about right
1510	;;
1511
1512	gnu*)
1513	# Under GNU Hurd, this test is not required because there is
1514	# no limit to the length of command line arguments.
1515	# Libtool will interpret -1 as no limit whatsoever
1516	lt_cv_sys_max_cmd_len=-1;
1517	;;
1518
1519	cygwin* \| mingw* \| cegcc*)
1520	# On Win9x/ME, this test blows up -- it succeeds, but takes
1521	# about 5 minutes as the teststring grows exponentially.
1522	# Worse, since 9x/ME are not pre-emptively multitasking,
1523	# you end up with a "frozen" computer, even though with patience
1524	# the test eventually succeeds (with a max line length of 256k).
1525	# Instead, let's just punt: use the minimum linelength reported by
1526	# all of the supported platforms: 8192 (on NT/2K/XP).
1527	lt_cv_sys_max_cmd_len=8192;
1528	;;
1529
1530	amigaos*)
1531	# On AmigaOS with pdksh, this test takes hours, literally.
1532	# So we just punt and use a minimum line length of 8192.
1533	lt_cv_sys_max_cmd_len=8192;
1534	;;
1535
1536	netbsd* \| freebsd* \| openbsd* \| darwin* \| dragonfly*)
1537	# This has been around since 386BSD, at least. Likely further.
1538	if test -x /sbin/sysctl; then
1539	lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
1540	elif test -x /usr/sbin/sysctl; then
1541	lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
1542	else
1543	lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs
1544	fi
1545	# And add a safety zone
1546	lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
1547	lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
1548	;;
1549
1550	interix*)
1551	# We know the value 262144 and hardcode it with a safety zone (like BSD)
1552	lt_cv_sys_max_cmd_len=196608
1553	;;
1554
1555	osf*)
1556	# Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
1557	# due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
1558	# nice to cause kernel panics so lets avoid the loop below.
1559	# First set a reasonable default.
1560	lt_cv_sys_max_cmd_len=16384
1561	#
1562	if test -x /sbin/sysconfig; then
1563	case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
1564	1) lt_cv_sys_max_cmd_len=-1 ;;
1565	esac
1566	fi
1567	;;
1568	sco3.2v5*)
1569	lt_cv_sys_max_cmd_len=102400
1570	;;
1571	sysv5* \| sco5v6* \| sysv4.2uw2*)
1572	kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
1573	if test -n "$kargmax"; then
1574	lt_cv_sys_max_cmd_len=`echo $kargmax \| sed 's/.*[[ ]]//'`
1575	else
1576	lt_cv_sys_max_cmd_len=32768
1577	fi
1578	;;
1579	*)
1580	lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
1581	if test -n "$lt_cv_sys_max_cmd_len"; then
1582	lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
1583	lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
1584	else
1585	# Make teststring a little bigger before we do anything with it.
1586	# a 1K string should be a reasonable start.
1587	for i in 1 2 3 4 5 6 7 8 ; do
1588	teststring=$teststring$teststring
1589	done
1590	SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
1591	# If test is not a shell built-in, we'll probably end up computing a
1592	# maximum length that is only half of the actual maximum length, but
1593	# we can't tell.
1594	while { test "X"`$SHELL [$]0 --fallback-echo "X$teststring$teststring" 2>/dev/null` \
1595	= "XX$teststring$teststring"; } >/dev/null 2>&1 &&
1596	test $i != 17 # 1/2 MB should be enough
1597	do
1598	i=`expr $i + 1`
1599	teststring=$teststring$teststring
1600	done
1601	# Only check the string length outside the loop.
1602	lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
1603	teststring=
1604	# Add a significant safety factor because C++ compilers can tack on
1605	# massive amounts of additional arguments before passing them to the
1606	# linker. It appears as though 1/2 is a usable value.
1607	lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
1608	fi
1609	;;
1610	esac
1611	])
1612	if test -n $lt_cv_sys_max_cmd_len ; then
1613	AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
1614	else
1615	AC_MSG_RESULT(none)
1616	fi
1617	max_cmd_len=$lt_cv_sys_max_cmd_len
1618	_LT_DECL([], [max_cmd_len], [0],
1619	[What is the maximum length of a command?])
1620	])# LT_CMD_MAX_LEN
1621
1622	# Old name:
1623	AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN])
1624	dnl aclocal-1.4 backwards compatibility:
1625	dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [])
1626
1627
1628	# _LT_HEADER_DLFCN
1629	# ----------------
1630	m4_defun([_LT_HEADER_DLFCN],
1631	[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl
1632	])# _LT_HEADER_DLFCN
1633
1634
1635	# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
1636	# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
1637	# ----------------------------------------------------------------
1638	m4_defun([_LT_TRY_DLOPEN_SELF],
1639	[m4_require([_LT_HEADER_DLFCN])dnl
1640	if test "$cross_compiling" = yes; then :
1641	[$4]
1642	else
1643	lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
1644	lt_status=$lt_dlunknown
1645	cat > conftest.$ac_ext <<_LT_EOF
1646	[#line __oline__ "configure"
1647	#include "confdefs.h"
1648
1649	#if HAVE_DLFCN_H
1650	#include <dlfcn.h>
1651	#endif
1652
1653	#include <stdio.h>
1654
1655	#ifdef RTLD_GLOBAL
1656	# define LT_DLGLOBAL RTLD_GLOBAL
1657	#else
1658	# ifdef DL_GLOBAL
1659	# define LT_DLGLOBAL DL_GLOBAL
1660	# else
1661	# define LT_DLGLOBAL 0
1662	# endif
1663	#endif
1664
1665	/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
1666	find out it does not work in some platform. */
1667	#ifndef LT_DLLAZY_OR_NOW
1668	# ifdef RTLD_LAZY
1669	# define LT_DLLAZY_OR_NOW RTLD_LAZY
1670	# else
1671	# ifdef DL_LAZY
1672	# define LT_DLLAZY_OR_NOW DL_LAZY
1673	# else
1674	# ifdef RTLD_NOW
1675	# define LT_DLLAZY_OR_NOW RTLD_NOW
1676	# else
1677	# ifdef DL_NOW
1678	# define LT_DLLAZY_OR_NOW DL_NOW
1679	# else
1680	# define LT_DLLAZY_OR_NOW 0
1681	# endif
1682	# endif
1683	# endif
1684	# endif
1685	#endif
1686
1687	void fnord() { int i=42;}
1688	int main ()
1689	{
1690	void *self = dlopen (0, LT_DLGLOBAL\|LT_DLLAZY_OR_NOW);
1691	int status = $lt_dlunknown;
1692
1693	if (self)
1694	{
1695	if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
1696	else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
1697	/* dlclose (self); */
1698	}
1699	else
1700	puts (dlerror ());
1701
1702	return status;
1703	}]
1704	_LT_EOF
1705	if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
1706	(./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
1707	lt_status=$?
1708	case x$lt_status in
1709	x$lt_dlno_uscore) $1 ;;
1710	x$lt_dlneed_uscore) $2 ;;
1711	x$lt_dlunknown\|x*) $3 ;;
1712	esac
1713	else :
1714	# compilation failed
1715	$3
1716	fi
1717	fi
1718	rm -fr conftest*
1719	])# _LT_TRY_DLOPEN_SELF
1720
1721
1722	# LT_SYS_DLOPEN_SELF
1723	# ------------------
1724	AC_DEFUN([LT_SYS_DLOPEN_SELF],
1725	[m4_require([_LT_HEADER_DLFCN])dnl
1726	if test "x$enable_dlopen" != xyes; then
1727	enable_dlopen=unknown
1728	enable_dlopen_self=unknown
1729	enable_dlopen_self_static=unknown
1730	else
1731	lt_cv_dlopen=no
1732	lt_cv_dlopen_libs=
1733
1734	case $host_os in
1735	beos*)
1736	lt_cv_dlopen="load_add_on"
1737	lt_cv_dlopen_libs=
1738	lt_cv_dlopen_self=yes
1739	;;
1740
1741	mingw* \| pw32* \| cegcc*)
1742	lt_cv_dlopen="LoadLibrary"
1743	lt_cv_dlopen_libs=
1744	;;
1745
1746	cygwin*)
1747	lt_cv_dlopen="dlopen"
1748	lt_cv_dlopen_libs=
1749	;;
1750
1751	darwin*)
1752	# if libdl is installed we need to link against it
1753	AC_CHECK_LIB([dl], [dlopen],
1754	[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[
1755	lt_cv_dlopen="dyld"
1756	lt_cv_dlopen_libs=
1757	lt_cv_dlopen_self=yes
1758	])
1759	;;
1760
1761	*)
1762	AC_CHECK_FUNC([shl_load],
1763	[lt_cv_dlopen="shl_load"],
1764	[AC_CHECK_LIB([dld], [shl_load],
1765	[lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"],
1766	[AC_CHECK_FUNC([dlopen],
1767	[lt_cv_dlopen="dlopen"],
1768	[AC_CHECK_LIB([dl], [dlopen],
1769	[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
1770	[AC_CHECK_LIB([svld], [dlopen],
1771	[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
1772	[AC_CHECK_LIB([dld], [dld_link],
1773	[lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"])
1774	])
1775	])
1776	])
1777	])
1778	])
1779	;;
1780	esac
1781
1782	if test "x$lt_cv_dlopen" != xno; then
1783	enable_dlopen=yes
1784	else
1785	enable_dlopen=no
1786	fi
1787
1788	case $lt_cv_dlopen in
1789	dlopen)
1790	save_CPPFLAGS="$CPPFLAGS"
1791	test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
1792
1793	save_LDFLAGS="$LDFLAGS"
1794	wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
1795
1796	save_LIBS="$LIBS"
1797	LIBS="$lt_cv_dlopen_libs $LIBS"
1798
1799	AC_CACHE_CHECK([whether a program can dlopen itself],
1800	lt_cv_dlopen_self, [dnl
1801	_LT_TRY_DLOPEN_SELF(
1802	lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
1803	lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
1804	])
1805
1806	if test "x$lt_cv_dlopen_self" = xyes; then
1807	wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
1808	AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
1809	lt_cv_dlopen_self_static, [dnl
1810	_LT_TRY_DLOPEN_SELF(
1811	lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
1812	lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross)
1813	])
1814	fi
1815
1816	CPPFLAGS="$save_CPPFLAGS"
1817	LDFLAGS="$save_LDFLAGS"
1818	LIBS="$save_LIBS"
1819	;;
1820	esac
1821
1822	case $lt_cv_dlopen_self in
1823	yes\|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
1824	*) enable_dlopen_self=unknown ;;
1825	esac
1826
1827	case $lt_cv_dlopen_self_static in
1828	yes\|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
1829	*) enable_dlopen_self_static=unknown ;;
1830	esac
1831	fi
1832	_LT_DECL([dlopen_support], [enable_dlopen], [0],
1833	[Whether dlopen is supported])
1834	_LT_DECL([dlopen_self], [enable_dlopen_self], [0],
1835	[Whether dlopen of programs is supported])
1836	_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0],
1837	[Whether dlopen of statically linked programs is supported])
1838	])# LT_SYS_DLOPEN_SELF
1839
1840	# Old name:
1841	AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF])
1842	dnl aclocal-1.4 backwards compatibility:
1843	dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [])
1844
1845
1846	# _LT_COMPILER_C_O([TAGNAME])
1847	# ---------------------------
1848	# Check to see if options -c and -o are simultaneously supported by compiler.
1849	# This macro does not hard code the compiler like AC_PROG_CC_C_O.
1850	m4_defun([_LT_COMPILER_C_O],
1851	[m4_require([_LT_DECL_SED])dnl
1852	m4_require([_LT_FILEUTILS_DEFAULTS])dnl
1853	m4_require([_LT_TAG_COMPILER])dnl
1854	AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
1855	[_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
1856	[_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
1857	$RM -r conftest 2>/dev/null
1858	mkdir conftest
1859	cd conftest
1860	mkdir out
1861	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
1862
1863	lt_compiler_flag="-o out/conftest2.$ac_objext"
1864	# Insert the option either (1) after the last FLAGS variable, or*
1865	# (2) before a word containing "conftest.", or (3) at the end.
1866	# Note that $ac_compile itself does not contain backslashes and begins
1867	# with a dollar sign (not a hyphen), so the echo should work correctly.
1868	lt_compile=`echo "$ac_compile" \| $SED \
1869	-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
1870	-e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
1871	-e 's:$: $lt_compiler_flag:'`
1872	(eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
1873	(eval "$lt_compile" 2>out/conftest.err)
1874	ac_status=$?
1875	cat out/conftest.err >&AS_MESSAGE_LOG_FD
1876	echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
1877	if (exit $ac_status) && test -s out/conftest2.$ac_objext
1878	then
1879	# The compiler can only warn and ignore the option if not recognized
1880	# So say no if there are warnings
1881	$ECHO "X$_lt_compiler_boilerplate" \| $Xsed -e '/^$/d' > out/conftest.exp
1882	$SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
1883	if test ! -s out/conftest.er2 \|\| diff out/conftest.exp out/conftest.er2 >/dev/null; then
1884	_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
1885	fi
1886	fi
1887	chmod u+w . 2>&AS_MESSAGE_LOG_FD
1888	$RM conftest*
1889	# SGI C++ compiler will create directory out/ii_files/ for
1890	# template instantiation
1891	*test -d out/ii_files && $RM out/ii_files/ && rmdir out/ii_files**
1892	*$RM out/ && rmdir out**
1893	cd ..
1894	$RM -r conftest
1895	$RM conftest*
1896	])
1897	_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1],
1898	[Does compiler simultaneously support -c and -o options?])
1899	])# _LT_COMPILER_C_O
1900
1901
1902	# _LT_COMPILER_FILE_LOCKS([TAGNAME])
1903	# ----------------------------------
1904	# Check to see if we can do hard links to lock some files if needed
1905	m4_defun([_LT_COMPILER_FILE_LOCKS],
1906	[m4_require([_LT_ENABLE_LOCK])dnl
1907	m4_require([_LT_FILEUTILS_DEFAULTS])dnl
1908	_LT_COMPILER_C_O([$1])
1909
1910	hard_links="nottested"
1911	if test "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then
1912	# do not overwrite the value of need_locks provided by the user
1913	AC_MSG_CHECKING([if we can lock with hard links])
1914	hard_links=yes
1915	$RM conftest*
1916	ln conftest.a conftest.b 2>/dev/null && hard_links=no
1917	touch conftest.a
1918	ln conftest.a conftest.b 2>&5 \|\| hard_links=no
1919	ln conftest.a conftest.b 2>/dev/null && hard_links=no
1920	AC_MSG_RESULT([$hard_links])
1921	if test "$hard_links" = no; then
1922	AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe])
1923	need_locks=warn
1924	fi
1925	else
1926	need_locks=no
1927	fi
1928	_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?])
1929	])# _LT_COMPILER_FILE_LOCKS
1930
1931
1932	# _LT_CHECK_OBJDIR
1933	# ----------------
1934	m4_defun([_LT_CHECK_OBJDIR],
1935	[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
1936	[rm -f .libs 2>/dev/null
1937	mkdir .libs 2>/dev/null
1938	if test -d .libs; then
1939	lt_cv_objdir=.libs
1940	else
1941	# MS-DOS does not allow filenames that begin with a dot.
1942	lt_cv_objdir=_libs
1943	fi
1944	rmdir .libs 2>/dev/null])
1945	objdir=$lt_cv_objdir
1946	_LT_DECL([], [objdir], [0],
1947	[The name of the directory that contains temporary libtool files])dnl
1948	m4_pattern_allow([LT_OBJDIR])dnl
1949	AC_DEFINE_UNQUOTED(LT_OBJDIR, "$lt_cv_objdir/",
1950	[Define to the sub-directory in which libtool stores uninstalled libraries.])
1951	])# _LT_CHECK_OBJDIR
1952
1953
1954	# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME])
1955	# --------------------------------------
1956	# Check hardcoding attributes.
1957	m4_defun([_LT_LINKER_HARDCODE_LIBPATH],
1958	[AC_MSG_CHECKING([how to hardcode library paths into programs])
1959	_LT_TAGVAR(hardcode_action, $1)=
1960	if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" \|\|
1961	test -n "$_LT_TAGVAR(runpath_var, $1)" \|\|
1962	test "X$_LT_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then
1963
1964	# We can hardcode non-existent directories.
1965	if test "$_LT_TAGVAR(hardcode_direct, $1)" != no &&
1966	# If the only mechanism to avoid hardcoding is shlibpath_var, we
1967	# have to relink, otherwise we might link with an installed library
1968	# when we should be linking with a yet-to-be-installed one
1969	## test "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" != no &&
1970	test "$_LT_TAGVAR(hardcode_minus_L, $1)" != no; then
1971	# Linking always hardcodes the temporary library directory.
1972	_LT_TAGVAR(hardcode_action, $1)=relink
1973	else
1974	# We can link without hardcoding, and we can hardcode nonexisting dirs.
1975	_LT_TAGVAR(hardcode_action, $1)=immediate
1976	fi
1977	else
1978	# We cannot hardcode anything, or else we can only hardcode existing
1979	# directories.
1980	_LT_TAGVAR(hardcode_action, $1)=unsupported
1981	fi
1982	AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)])
1983
1984	if test "$_LT_TAGVAR(hardcode_action, $1)" = relink \|\|
1985	test "$_LT_TAGVAR(inherit_rpath, $1)" = yes; then
1986	# Fast installation is not supported
1987	enable_fast_install=no
1988	elif test "$shlibpath_overrides_runpath" = yes \|\|
1989	test "$enable_shared" = no; then
1990	# Fast installation is not necessary
1991	enable_fast_install=needless
1992	fi
1993	_LT_TAGDECL([], [hardcode_action], [0],
1994	[How to hardcode a shared library path into an executable])
1995	])# _LT_LINKER_HARDCODE_LIBPATH
1996
1997
1998	# _LT_CMD_STRIPLIB
1999	# ----------------
2000	m4_defun([_LT_CMD_STRIPLIB],
2001	[m4_require([_LT_DECL_EGREP])
2002	striplib=
2003	old_striplib=
2004	AC_MSG_CHECKING([whether stripping libraries is possible])
2005	if test -n "$STRIP" && $STRIP -V 2>&1 \| $GREP "GNU strip" >/dev/null; then
2006	test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
2007	test -z "$striplib" && striplib="$STRIP --strip-unneeded"
2008	AC_MSG_RESULT([yes])
2009	else
2010	# FIXME - insert some real tests, host_os isn't really good enough
2011	case $host_os in
2012	darwin*)
2013	if test -n "$STRIP" ; then
2014	striplib="$STRIP -x"
2015	old_striplib="$STRIP -S"
2016	AC_MSG_RESULT([yes])
2017	else
2018	AC_MSG_RESULT([no])
2019	fi
2020	;;
2021	*)
2022	AC_MSG_RESULT([no])
2023	;;
2024	esac
2025	fi
2026	_LT_DECL([], [old_striplib], [1], [Commands to strip libraries])
2027	_LT_DECL([], [striplib], [1])
2028	])# _LT_CMD_STRIPLIB
2029
2030
2031	# _LT_SYS_DYNAMIC_LINKER([TAG])
2032	# -----------------------------
2033	# PORTME Fill in your ld.so characteristics
2034	m4_defun([_LT_SYS_DYNAMIC_LINKER],
2035	[AC_REQUIRE([AC_CANONICAL_HOST])dnl
2036	m4_require([_LT_DECL_EGREP])dnl
2037	m4_require([_LT_FILEUTILS_DEFAULTS])dnl
2038	m4_require([_LT_DECL_OBJDUMP])dnl
2039	m4_require([_LT_DECL_SED])dnl
2040	AC_MSG_CHECKING([dynamic linker characteristics])
2041	m4_if([$1],
2042	[], [
2043	if test "$GCC" = yes; then
2044	case $host_os in
2045	darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
2046	*) lt_awk_arg="/^libraries:/" ;;
2047	esac
2048	lt_search_path_spec=`$CC -print-search-dirs \| awk $lt_awk_arg \| $SED -e "s/^libraries://" -e "s,=/,/,g"`
2049	if $ECHO "$lt_search_path_spec" \| $GREP ';' >/dev/null ; then
2050	# if the path contains ";" then we assume it to be the separator
2051	# otherwise default to the standard path separator (i.e. ":") - it is
2052	# assumed that no part of a normal pathname contains ";" but that should
2053	# okay in the real world where ";" in dirpaths is itself problematic.
2054	lt_search_path_spec=`$ECHO "$lt_search_path_spec" \| $SED -e 's/;/ /g'`
2055	else
2056	lt_search_path_spec=`$ECHO "$lt_search_path_spec" \| $SED -e "s/$PATH_SEPARATOR/ /g"`
2057	fi
2058	# Ok, now we have the path, separated by spaces, we can step through it
2059	# and add multilib dir if necessary.
2060	lt_tmp_lt_search_path_spec=
2061	lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
2062	for lt_sys_path in $lt_search_path_spec; do
2063	if test -d "$lt_sys_path/$lt_multi_os_dir"; then
2064	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
2065	else
2066	test -d "$lt_sys_path" && \
2067	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
2068	fi
2069	done
2070	lt_search_path_spec=`$ECHO $lt_tmp_lt_search_path_spec \| awk '
2071	BEGIN {RS=" "; FS="/\|\n";} {
2072	lt_foo="";
2073	lt_count=0;
2074	for (lt_i = NF; lt_i > 0; lt_i--) {
2075	if ($lt_i != "" && $lt_i != ".") {
2076	if ($lt_i == "..") {
2077	lt_count++;
2078	} else {
2079	if (lt_count == 0) {
2080	lt_foo="/" $lt_i lt_foo;
2081	} else {
2082	lt_count--;
2083	}
2084	}
2085	}
2086	}
2087	if (lt_foo != "") { lt_freq[[lt_foo]]++; }
2088	if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
2089	}'`
2090	sys_lib_search_path_spec=`$ECHO $lt_search_path_spec`
2091	else
2092	sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
2093	fi])
2094	library_names_spec=
2095	libname_spec='lib$name'
2096	soname_spec=
2097	shrext_cmds=".so"
2098	postinstall_cmds=
2099	postuninstall_cmds=
2100	finish_cmds=
2101	finish_eval=
2102	shlibpath_var=
2103	shlibpath_overrides_runpath=unknown
2104	version_type=none
2105	dynamic_linker="$host_os ld.so"
2106	sys_lib_dlsearch_path_spec="/lib /usr/lib"
2107	need_lib_prefix=unknown
2108	hardcode_into_libs=no
2109
2110	# when you set need_version to no, make sure it does not cause -set_version
2111	# flags to be left without arguments
2112	need_version=unknown
2113
2114	case $host_os in
2115	aix3*)
2116	version_type=linux
2117	library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
2118	shlibpath_var=LIBPATH
2119
2120	# AIX 3 has no versioning support, so we append a major version to the name.
2121	soname_spec='${libname}${release}${shared_ext}$major'
2122	;;
2123
2124	aix[[4-9]]*)
2125	version_type=linux
2126	need_lib_prefix=no
2127	need_version=no
2128	hardcode_into_libs=yes
2129	if test "$host_cpu" = ia64; then
2130	# AIX 5 supports IA64
2131	library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
2132	shlibpath_var=LD_LIBRARY_PATH
2133	else
2134	# With GCC up to 2.95.x, collect2 would create an import file
2135	# for dependence libraries. The import file would start with
2136	# the line `#! .'. This would cause the generated library to
2137	# depend on `.', always an invalid library. This was fixed in
2138	# development snapshots of GCC prior to 3.0.
2139	case $host_os in
2140	aix4 \| aix4.[[01]] \| aix4.[[01]].*)
2141	if { echo '#if __GNUC__ > 2 \|\| (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
2142	echo ' yes '
2143	echo '#endif'; } \| ${CC} -E - \| $GREP yes > /dev/null; then
2144	:
2145	else
2146	can_build_shared=no
2147	fi
2148	;;
2149	esac
2150	# AIX (on Power) has no versioning support, so currently we can not hardcode correct*
2151	# soname into executable. Probably we can add versioning support to
2152	# collect2, so additional links can be useful in future.
2153	if test "$aix_use_runtimelinking" = yes; then
2154	# If using run time linking (on AIX 4.2 or later) use lib<name>.so
2155	# instead of lib<name>.a to let people know that these are not
2156	# typical AIX shared libraries.
2157	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2158	else
2159	# We preserve .a as extension for shared libraries through AIX4.2
2160	# and later when we are not doing run time linking.
2161	library_names_spec='${libname}${release}.a $libname.a'
2162	soname_spec='${libname}${release}${shared_ext}$major'
2163	fi
2164	shlibpath_var=LIBPATH
2165	fi
2166	;;
2167
2168	amigaos*)
2169	case $host_cpu in
2170	powerpc)
2171	# Since July 2007 AmigaOS4 officially supports .so libraries.
2172	# When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
2173	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2174	;;
2175	m68k)
2176	library_names_spec='$libname.ixlibrary $libname.a'
2177	# Create ${libname}_ixlibrary.a entries in /sys/libs.
2178	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 ${libname}_ixlibrary.a \|\| exit 1; done'
2179	;;
2180	esac
2181	;;
2182
2183	beos*)
2184	library_names_spec='${libname}${shared_ext}'
2185	dynamic_linker="$host_os ld.so"
2186	shlibpath_var=LIBRARY_PATH
2187	;;
2188
2189	bsdi[[45]]*)
2190	version_type=linux
2191	need_version=no
2192	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2193	soname_spec='${libname}${release}${shared_ext}$major'
2194	finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
2195	shlibpath_var=LD_LIBRARY_PATH
2196	sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
2197	sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
2198	# the default ld.so.conf also contains /usr/contrib/lib and
2199	# /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
2200	# libtool to hard-code these into programs
2201	;;
2202
2203	cygwin* \| mingw* \| pw32* \| cegcc*)
2204	version_type=windows
2205	shrext_cmds=".dll"
2206	need_version=no
2207	need_lib_prefix=no
2208
2209	case $GCC,$host_os in
2210	yes,cygwin* \| yes,mingw* \| yes,pw32* \| yes,cegcc*)
2211	library_names_spec='$libname.dll.a'
2212	# DLL is installed to $(libdir)/../bin by postinstall_cmds
2213	postinstall_cmds='base_file=`basename \${file}`~
2214	dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
2215	dldir=$destdir/`dirname \$dlpath`~
2216	test -d \$dldir \|\| mkdir -p \$dldir~
2217	$install_prog $dir/$dlname \$dldir/$dlname~
2218	chmod a+x \$dldir/$dlname~
2219	if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
2220	eval '\''$striplib \$dldir/$dlname'\'' \|\| exit \$?;
2221	fi'
2222	postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
2223	dlpath=$dir/\$dldll~
2224	$RM \$dlpath'
2225	shlibpath_overrides_runpath=yes
2226
2227	case $host_os in
2228	cygwin*)
2229	# Cygwin DLLs use 'cyg' prefix rather than 'lib'
2230	soname_spec='`echo ${libname} \| sed -e 's/^lib/cyg/'``echo ${release} \| $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
2231	sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
2232	;;
2233	mingw* \| cegcc*)
2234	# MinGW DLLs use traditional 'lib' prefix
2235	soname_spec='${libname}`echo ${release} \| $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
2236	sys_lib_search_path_spec=`$CC -print-search-dirs \| $GREP "^libraries:" \| $SED -e "s/^libraries://" -e "s,=/,/,g"`
2237	if $ECHO "$sys_lib_search_path_spec" \| [$GREP ';[c-zC-Z]:/' >/dev/null]; then
2238	# It is most probably a Windows format PATH printed by
2239	# mingw gcc, but we are running on Cygwin. Gcc prints its search
2240	# path with ; separators, and with drive letters. We can handle the
2241	# drive letters (cygwin fileutils understands them), so leave them,
2242	# especially as we might pass files found there to a mingw objdump,
2243	# which wouldn't understand a cygwinified path. Ahh.
2244	sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" \| $SED -e 's/;/ /g'`
2245	else
2246	sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" \| $SED -e "s/$PATH_SEPARATOR/ /g"`
2247	fi
2248	;;
2249	pw32*)
2250	# pw32 DLLs use 'pw' prefix rather than 'lib'
2251	library_names_spec='`echo ${libname} \| sed -e 's/^lib/pw/'``echo ${release} \| $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
2252	;;
2253	esac
2254	;;
2255
2256	*)
2257	library_names_spec='${libname}`echo ${release} \| $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib'
2258	;;
2259	esac
2260	dynamic_linker='Win32 ld.exe'
2261	# FIXME: first we should search . and the directory the executable is in
2262	shlibpath_var=PATH
2263	;;
2264
2265	darwin* \| rhapsody*)
2266	dynamic_linker="$host_os dyld"
2267	version_type=darwin
2268	need_lib_prefix=no
2269	need_version=no
2270	library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
2271	soname_spec='${libname}${release}${major}$shared_ext'
2272	shlibpath_overrides_runpath=yes
2273	shlibpath_var=DYLD_LIBRARY_PATH
2274	shrext_cmds='`test .$module = .yes && echo .so \|\| echo .dylib`'
2275	m4_if([$1], [],[
2276	sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"])
2277	sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
2278	;;
2279
2280	dgux*)
2281	version_type=linux
2282	need_lib_prefix=no
2283	need_version=no
2284	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
2285	soname_spec='${libname}${release}${shared_ext}$major'
2286	shlibpath_var=LD_LIBRARY_PATH
2287	;;
2288
2289	freebsd1*)
2290	dynamic_linker=no
2291	;;
2292
2293	freebsd* \| dragonfly*)
2294	# DragonFly does not have aout. When/if they implement a new
2295	# versioning mechanism, adjust this.
2296	if test -x /usr/bin/objformat; then
2297	objformat=`/usr/bin/objformat`
2298	else
2299	case $host_os in
2300	freebsd[[123]]*) objformat=aout ;;
2301	*) objformat=elf ;;
2302	esac
2303	fi
2304	version_type=freebsd-$objformat
2305	case $version_type in
2306	freebsd-elf*)
2307	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
2308	need_version=no
2309	need_lib_prefix=no
2310	;;
2311	freebsd-*)
2312	library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
2313	need_version=yes
2314	;;
2315	esac
2316	shlibpath_var=LD_LIBRARY_PATH
2317	case $host_os in
2318	freebsd2*)
2319	shlibpath_overrides_runpath=yes
2320	;;
2321	freebsd3.[[01]]* \| freebsdelf3.[[01]]*)
2322	shlibpath_overrides_runpath=yes
2323	hardcode_into_libs=yes
2324	;;
2325	freebsd3.[[2-9]]* \| freebsdelf3.[[2-9]]* \| \
2326	freebsd4.[[0-5]] \| freebsdelf4.[[0-5]] \| freebsd4.1.1 \| freebsdelf4.1.1)
2327	shlibpath_overrides_runpath=no
2328	hardcode_into_libs=yes
2329	;;
2330	) # from 4.6 on, and DragonFly*
2331	shlibpath_overrides_runpath=yes
2332	hardcode_into_libs=yes
2333	;;
2334	esac
2335	;;
2336
2337	gnu*)
2338	version_type=linux
2339	need_lib_prefix=no
2340	need_version=no
2341	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
2342	soname_spec='${libname}${release}${shared_ext}$major'
2343	shlibpath_var=LD_LIBRARY_PATH
2344	hardcode_into_libs=yes
2345	;;
2346
2347	hpux9* \| hpux10* \| hpux11*)
2348	# Give a soname corresponding to the major version so that dld.sl refuses to
2349	# link against other versions.
2350	version_type=sunos
2351	need_lib_prefix=no
2352	need_version=no
2353	case $host_cpu in
2354	ia64*)
2355	shrext_cmds='.so'
2356	hardcode_into_libs=yes
2357	dynamic_linker="$host_os dld.so"
2358	shlibpath_var=LD_LIBRARY_PATH
2359	shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
2360	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2361	soname_spec='${libname}${release}${shared_ext}$major'
2362	if test "X$HPUX_IA64_MODE" = X32; then
2363	sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
2364	else
2365	sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
2366	fi
2367	sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
2368	;;
2369	hppa64)
2370	shrext_cmds='.sl'
2371	hardcode_into_libs=yes
2372	dynamic_linker="$host_os dld.sl"
2373	shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
2374	shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
2375	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2376	soname_spec='${libname}${release}${shared_ext}$major'
2377	sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
2378	sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
2379	;;
2380	*)
2381	shrext_cmds='.sl'
2382	dynamic_linker="$host_os dld.sl"
2383	shlibpath_var=SHLIB_PATH
2384	shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
2385	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2386	soname_spec='${libname}${release}${shared_ext}$major'
2387	;;
2388	esac
2389	# HP-UX runs really* slowly unless shared libraries are mode 555.*
2390	postinstall_cmds='chmod 555 $lib'
2391	;;
2392
2393	interix[[3-9]]*)
2394	version_type=linux
2395	need_lib_prefix=no
2396	need_version=no
2397	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
2398	soname_spec='${libname}${release}${shared_ext}$major'
2399	dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
2400	shlibpath_var=LD_LIBRARY_PATH
2401	shlibpath_overrides_runpath=no
2402	hardcode_into_libs=yes
2403	;;
2404
2405	irix5* \| irix6* \| nonstopux*)
2406	case $host_os in
2407	nonstopux*) version_type=nonstopux ;;
2408	*)
2409	if test "$lt_cv_prog_gnu_ld" = yes; then
2410	version_type=linux
2411	else
2412	version_type=irix
2413	fi ;;
2414	esac
2415	need_lib_prefix=no
2416	need_version=no
2417	soname_spec='${libname}${release}${shared_ext}$major'
2418	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
2419	case $host_os in
2420	irix5* \| nonstopux*)
2421	libsuff= shlibsuff=
2422	;;
2423	*)
2424	case $LD in # libtool.m4 will add one of these switches to LD
2425	-32\|"-32 "\|-melf32bsmip\|"-melf32bsmip ")
2426	libsuff= shlibsuff= libmagic=32-bit;;
2427	-n32\|"-n32 "\|-melf32bmipn32\|"-melf32bmipn32 ")
2428	libsuff=32 shlibsuff=N32 libmagic=N32;;
2429	-64\|"-64 "\|-melf64bmip\|"-melf64bmip ")
2430	libsuff=64 shlibsuff=64 libmagic=64-bit;;
2431	*) libsuff= shlibsuff= libmagic=never-match;;
2432	esac
2433	;;
2434	esac
2435	shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
2436	shlibpath_overrides_runpath=no
2437	sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
2438	sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
2439	hardcode_into_libs=yes
2440	;;
2441
2442	# No shared lib support for Linux oldld, aout, or coff.
2443	linuxoldld \| linuxaout \| linuxcoff)
2444	dynamic_linker=no
2445	;;
2446
2447	# This must be Linux ELF.
2448	linux* \| kbsd-gnu)
2449	version_type=linux
2450	need_lib_prefix=no
2451	need_version=no
2452	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2453	soname_spec='${libname}${release}${shared_ext}$major'
2454	finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
2455	shlibpath_var=LD_LIBRARY_PATH
2456	shlibpath_overrides_runpath=no
2457	# Some binutils ld are patched to set DT_RUNPATH
2458	save_LDFLAGS=$LDFLAGS
2459	save_libdir=$libdir
2460	eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \
2461	LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\""
2462	AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
2463	*[AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null \| grep "RUNPATH.$libdir" >/dev/null],**
2464	[shlibpath_overrides_runpath=yes])])
2465	LDFLAGS=$save_LDFLAGS
2466	libdir=$save_libdir
2467
2468	# This implies no fast_install, which is unacceptable.
2469	# Some rework will be needed to allow for fast_install
2470	# before this can be enabled.
2471	hardcode_into_libs=yes
2472
2473	# Add ABI-specific directories to the system library path.
2474	sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
2475
2476	# Append ld.so.conf contents to the search path
2477	if test -f /etc/ld.so.conf; then
2478	lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf \| $SED -e 's/#.//;/^[ ]hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]$//;s/=[^= ]* / /g;/^$/d' \| tr '\n' ' '`*
2479	sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
2480	fi
2481
2482	# We used to test for /lib/ld.so.1 and disable shared libraries on
2483	# powerpc, because MkLinux only supported shared libraries with the
2484	# GNU dynamic linker. Since this was broken with cross compilers,
2485	# most powerpc-linux boxes support dynamic linking these days and
2486	# people can always --disable-shared, the test was removed, and we
2487	# assume the GNU/Linux dynamic linker is in use.
2488	dynamic_linker='GNU/Linux ld.so'
2489	;;
2490
2491	netbsd*)
2492	version_type=sunos
2493	need_lib_prefix=no
2494	need_version=no
2495	if echo __ELF__ \| $CC -E - \| $GREP __ELF__ >/dev/null; then
2496	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
2497	finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
2498	dynamic_linker='NetBSD (a.out) ld.so'
2499	else
2500	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
2501	soname_spec='${libname}${release}${shared_ext}$major'
2502	dynamic_linker='NetBSD ld.elf_so'
2503	fi
2504	shlibpath_var=LD_LIBRARY_PATH
2505	shlibpath_overrides_runpath=yes
2506	hardcode_into_libs=yes
2507	;;
2508
2509	newsos6)
2510	version_type=linux
2511	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2512	shlibpath_var=LD_LIBRARY_PATH
2513	shlibpath_overrides_runpath=yes
2514	;;
2515
2516	nto \| qnx)
2517	version_type=qnx
2518	need_lib_prefix=no
2519	need_version=no
2520	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2521	soname_spec='${libname}${release}${shared_ext}$major'
2522	shlibpath_var=LD_LIBRARY_PATH
2523	shlibpath_overrides_runpath=no
2524	hardcode_into_libs=yes
2525	dynamic_linker='ldqnx.so'
2526	;;
2527
2528	openbsd*)
2529	version_type=sunos
2530	sys_lib_dlsearch_path_spec="/usr/lib"
2531	need_lib_prefix=no
2532	# Some older versions of OpenBSD (3.3 at least) do* need versioned libs.*
2533	case $host_os in
2534	openbsd3.3 \| openbsd3.3.*) need_version=yes ;;
2535	*) need_version=no ;;
2536	esac
2537	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
2538	finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
2539	shlibpath_var=LD_LIBRARY_PATH
2540	if test -z "`echo __ELF__ \| $CC -E - \| $GREP __ELF__`" \|\| test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
2541	case $host_os in
2542	openbsd2.[[89]] \| openbsd2.[[89]].*)
2543	shlibpath_overrides_runpath=no
2544	;;
2545	*)
2546	shlibpath_overrides_runpath=yes
2547	;;
2548	esac
2549	else
2550	shlibpath_overrides_runpath=yes
2551	fi
2552	;;
2553
2554	os2*)
2555	libname_spec='$name'
2556	shrext_cmds=".dll"
2557	need_lib_prefix=no
2558	library_names_spec='$libname${shared_ext} $libname.a'
2559	dynamic_linker='OS/2 ld.exe'
2560	shlibpath_var=LIBPATH
2561	;;
2562
2563	osf3* \| osf4* \| osf5*)
2564	version_type=osf
2565	need_lib_prefix=no
2566	need_version=no
2567	soname_spec='${libname}${release}${shared_ext}$major'
2568	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2569	shlibpath_var=LD_LIBRARY_PATH
2570	sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
2571	sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
2572	;;
2573
2574	rdos*)
2575	dynamic_linker=no
2576	;;
2577
2578	solaris*)
2579	version_type=linux
2580	need_lib_prefix=no
2581	need_version=no
2582	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2583	soname_spec='${libname}${release}${shared_ext}$major'
2584	shlibpath_var=LD_LIBRARY_PATH
2585	shlibpath_overrides_runpath=yes
2586	hardcode_into_libs=yes
2587	# ldd complains unless libraries are executable
2588	postinstall_cmds='chmod +x $lib'
2589	;;
2590
2591	sunos4*)
2592	version_type=sunos
2593	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
2594	finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
2595	shlibpath_var=LD_LIBRARY_PATH
2596	shlibpath_overrides_runpath=yes
2597	if test "$with_gnu_ld" = yes; then
2598	need_lib_prefix=no
2599	fi
2600	need_version=yes
2601	;;
2602
2603	sysv4 \| sysv4.3*)
2604	version_type=linux
2605	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2606	soname_spec='${libname}${release}${shared_ext}$major'
2607	shlibpath_var=LD_LIBRARY_PATH
2608	case $host_vendor in
2609	sni)
2610	shlibpath_overrides_runpath=no
2611	need_lib_prefix=no
2612	runpath_var=LD_RUN_PATH
2613	;;
2614	siemens)
2615	need_lib_prefix=no
2616	;;
2617	motorola)
2618	need_lib_prefix=no
2619	need_version=no
2620	shlibpath_overrides_runpath=no
2621	sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
2622	;;
2623	esac
2624	;;
2625
2626	sysv4MP)
2627	if test -d /usr/nec ;then
2628	version_type=linux
2629	library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
2630	soname_spec='$libname${shared_ext}.$major'
2631	shlibpath_var=LD_LIBRARY_PATH
2632	fi
2633	;;
2634
2635	sysv5* \| sco3.2v5* \| sco5v6* \| unixware* \| OpenUNIX* \| sysv4uw2)
2636	version_type=freebsd-elf
2637	need_lib_prefix=no
2638	need_version=no
2639	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
2640	soname_spec='${libname}${release}${shared_ext}$major'
2641	shlibpath_var=LD_LIBRARY_PATH
2642	shlibpath_overrides_runpath=yes
2643	hardcode_into_libs=yes
2644	if test "$with_gnu_ld" = yes; then
2645	sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
2646	else
2647	sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
2648	case $host_os in
2649	sco3.2v5*)
2650	sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
2651	;;
2652	esac
2653	fi
2654	sys_lib_dlsearch_path_spec='/usr/lib'
2655	;;
2656
2657	tpf*)
2658	# TPF is a cross-target only. Preferred cross-host = GNU/Linux.
2659	version_type=linux
2660	need_lib_prefix=no
2661	need_version=no
2662	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2663	shlibpath_var=LD_LIBRARY_PATH
2664	shlibpath_overrides_runpath=no
2665	hardcode_into_libs=yes
2666	;;
2667
2668	uts4*)
2669	version_type=linux
2670	library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
2671	soname_spec='${libname}${release}${shared_ext}$major'
2672	shlibpath_var=LD_LIBRARY_PATH
2673	;;
2674
2675	*)
2676	dynamic_linker=no
2677	;;
2678	esac
2679	AC_MSG_RESULT([$dynamic_linker])
2680	test "$dynamic_linker" = no && can_build_shared=no
2681
2682	variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
2683	if test "$GCC" = yes; then
2684	variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
2685	fi
2686
2687	if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
2688	sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
2689	fi
2690	if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
2691	sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
2692	fi
2693
2694	_LT_DECL([], [variables_saved_for_relink], [1],
2695	[Variables whose values should be saved in libtool wrapper scripts and
2696	restored at link time])
2697	_LT_DECL([], [need_lib_prefix], [0],
2698	[Do we need the "lib" prefix for modules?])
2699	_LT_DECL([], [need_version], [0], [Do we need a version for libraries?])
2700	_LT_DECL([], [version_type], [0], [Library versioning type])
2701	_LT_DECL([], [runpath_var], [0], [Shared library runtime path variable])
2702	_LT_DECL([], [shlibpath_var], [0],[Shared library path variable])
2703	_LT_DECL([], [shlibpath_overrides_runpath], [0],
2704	[Is shlibpath searched before the hard-coded library search path?])
2705	_LT_DECL([], [libname_spec], [1], [Format of library name prefix])
2706	_LT_DECL([], [library_names_spec], [1],
2707	[[List of archive names. First name is the real one, the rest are links.
2708	The last name is the one that the linker finds with -lNAME]])
2709	_LT_DECL([], [soname_spec], [1],
2710	[[The coded name of the library, if different from the real name]])
2711	_LT_DECL([], [postinstall_cmds], [2],
2712	[Command to use after installation of a shared archive])
2713	_LT_DECL([], [postuninstall_cmds], [2],
2714	[Command to use after uninstallation of a shared archive])
2715	_LT_DECL([], [finish_cmds], [2],
2716	[Commands used to finish a libtool library installation in a directory])
2717	_LT_DECL([], [finish_eval], [1],
2718	[[As "finish_cmds", except a single script fragment to be evaled but
2719	not shown]])
2720	_LT_DECL([], [hardcode_into_libs], [0],
2721	[Whether we should hardcode library paths into libraries])
2722	_LT_DECL([], [sys_lib_search_path_spec], [2],
2723	[Compile-time system search path for libraries])
2724	_LT_DECL([], [sys_lib_dlsearch_path_spec], [2],
2725	[Run-time system search path for libraries])
2726	])# _LT_SYS_DYNAMIC_LINKER
2727
2728
2729	# _LT_PATH_TOOL_PREFIX(TOOL)
2730	# --------------------------
2731	# find a file program which can recognize shared library
2732	AC_DEFUN([_LT_PATH_TOOL_PREFIX],
2733	[m4_require([_LT_DECL_EGREP])dnl
2734	AC_MSG_CHECKING([for $1])
2735	AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
2736	[case $MAGIC_CMD in
2737	[[\\/] \| ?:[\\/]])
2738	lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
2739	;;
2740	*)
2741	lt_save_MAGIC_CMD="$MAGIC_CMD"
2742	lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
2743	dnl $ac_dummy forces splitting on constant user-supplied paths.
2744	dnl POSIX.2 word splitting is done only on the output of word expansions,
2745	dnl not every word. This closes a longstanding sh security hole.
2746	ac_dummy="m4_if([$2], , $PATH, [$2])"
2747	for ac_dir in $ac_dummy; do
2748	IFS="$lt_save_ifs"
2749	test -z "$ac_dir" && ac_dir=.
2750	if test -f $ac_dir/$1; then
2751	lt_cv_path_MAGIC_CMD="$ac_dir/$1"
2752	if test -n "$file_magic_test_file"; then
2753	case $deplibs_check_method in
2754	"file_magic "*)
2755	file_magic_regex=`expr "$deplibs_check_method" : "file_magic $.*$"`
2756	MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
2757	if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null \|
2758	$EGREP "$file_magic_regex" > /dev/null; then
2759	:
2760	else
2761	cat <<_LT_EOF 1>&2
2762
2763	*** Warning: the command libtool uses to detect shared libraries,
2764	*** $file_magic_cmd, produces output that libtool cannot recognize.
2765	*** The result is that libtool may fail to recognize shared libraries
2766	*** as such. This will affect the creation of libtool libraries that
2767	*** depend on shared libraries, but programs linked with such libtool
2768	*** libraries will work regardless of this problem. Nevertheless, you
2769	*** may want to report the problem to your system manager and/or to
2770	*** bug-libtool@gnu.org
2771
2772	_LT_EOF
2773	fi ;;
2774	esac
2775	fi
2776	break
2777	fi
2778	done
2779	IFS="$lt_save_ifs"
2780	MAGIC_CMD="$lt_save_MAGIC_CMD"
2781	;;
2782	esac])
2783	MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
2784	if test -n "$MAGIC_CMD"; then
2785	AC_MSG_RESULT($MAGIC_CMD)
2786	else
2787	AC_MSG_RESULT(no)
2788	fi
2789	_LT_DECL([], [MAGIC_CMD], [0],
2790	[Used to examine libraries when file_magic_cmd begins with "file"])dnl
2791	])# _LT_PATH_TOOL_PREFIX
2792
2793	# Old name:
2794	AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX])
2795	dnl aclocal-1.4 backwards compatibility:
2796	dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], [])
2797
2798
2799	# _LT_PATH_MAGIC
2800	# --------------
2801	# find a file program which can recognize a shared library
2802	m4_defun([_LT_PATH_MAGIC],
2803	[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
2804	if test -z "$lt_cv_path_MAGIC_CMD"; then
2805	if test -n "$ac_tool_prefix"; then
2806	_LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
2807	else
2808	MAGIC_CMD=:
2809	fi
2810	fi
2811	])# _LT_PATH_MAGIC
2812
2813
2814	# LT_PATH_LD
2815	# ----------
2816	# find the pathname to the GNU or non-GNU linker
2817	AC_DEFUN([LT_PATH_LD],
2818	[AC_REQUIRE([AC_PROG_CC])dnl
2819	AC_REQUIRE([AC_CANONICAL_HOST])dnl
2820	AC_REQUIRE([AC_CANONICAL_BUILD])dnl
2821	m4_require([_LT_DECL_SED])dnl
2822	m4_require([_LT_DECL_EGREP])dnl
2823
2824	AC_ARG_WITH([gnu-ld],
2825	[AS_HELP_STRING([--with-gnu-ld],
2826	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
2827	[test "$withval" = no \|\| with_gnu_ld=yes],
2828	[with_gnu_ld=no])dnl
2829
2830	ac_prog=ld
2831	if test "$GCC" = yes; then
2832	# Check if gcc -print-prog-name=ld gives a path.
2833	AC_MSG_CHECKING([for ld used by $CC])
2834	case $host in
2835	--mingw*)
2836	# gcc leaves a trailing carriage return which upsets mingw
2837	ac_prog=`($CC -print-prog-name=ld) 2>&5 \| tr -d '\015'` ;;
2838	*)
2839	ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
2840	esac
2841	case $ac_prog in
2842	# Accept absolute paths.
2843	[[\\/]]* \| ?:[[\\/]]*)
2844	re_direlt='/[[^/]][[^/]]*/\.\./'
2845	# Canonicalize the pathname of ld
2846	ac_prog=`$ECHO "$ac_prog"\| $SED 's%\\\\%/%g'`
2847	while $ECHO "$ac_prog" \| $GREP "$re_direlt" > /dev/null 2>&1; do
2848	ac_prog=`$ECHO $ac_prog\| $SED "s%$re_direlt%/%"`
2849	done
2850	test -z "$LD" && LD="$ac_prog"
2851	;;
2852	"")
2853	# If it fails, then pretend we aren't using GCC.
2854	ac_prog=ld
2855	;;
2856	*)
2857	# If it is relative, then search for the first ld in PATH.
2858	with_gnu_ld=unknown
2859	;;
2860	esac
2861	elif test "$with_gnu_ld" = yes; then
2862	AC_MSG_CHECKING([for GNU ld])
2863	else
2864	AC_MSG_CHECKING([for non-GNU ld])
2865	fi
2866	AC_CACHE_VAL(lt_cv_path_LD,
2867	[if test -z "$LD"; then
2868	lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
2869	for ac_dir in $PATH; do
2870	IFS="$lt_save_ifs"
2871	test -z "$ac_dir" && ac_dir=.
2872	if test -f "$ac_dir/$ac_prog" \|\| test -f "$ac_dir/$ac_prog$ac_exeext"; then
2873	lt_cv_path_LD="$ac_dir/$ac_prog"
2874	# Check to see if the program is GNU ld. I'd rather use --version,
2875	# but apparently some variants of GNU ld only accept -v.
2876	# Break only if it was the GNU/non-GNU ld that we prefer.
2877	case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
2878	GNU \| 'with BFD')
2879	test "$with_gnu_ld" != no && break
2880	;;
2881	*)
2882	test "$with_gnu_ld" != yes && break
2883	;;
2884	esac
2885	fi
2886	done
2887	IFS="$lt_save_ifs"
2888	else
2889	lt_cv_path_LD="$LD" # Let the user override the test with a path.
2890	fi])
2891	LD="$lt_cv_path_LD"
2892	if test -n "$LD"; then
2893	AC_MSG_RESULT($LD)
2894	else
2895	AC_MSG_RESULT(no)
2896	fi
2897	test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
2898	_LT_PATH_LD_GNU
2899	AC_SUBST([LD])
2900
2901	_LT_TAGDECL([], [LD], [1], [The linker used to build libraries])
2902	])# LT_PATH_LD
2903
2904	# Old names:
2905	AU_ALIAS([AM_PROG_LD], [LT_PATH_LD])
2906	AU_ALIAS([AC_PROG_LD], [LT_PATH_LD])
2907	dnl aclocal-1.4 backwards compatibility:
2908	dnl AC_DEFUN([AM_PROG_LD], [])
2909	dnl AC_DEFUN([AC_PROG_LD], [])
2910
2911
2912	# _LT_PATH_LD_GNU
2913	#- --------------
2914	m4_defun([_LT_PATH_LD_GNU],
2915	[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
2916	[# I'd rather use --version here, but apparently some GNU lds only accept -v.
2917	case `$LD -v 2>&1 </dev/null` in
2918	GNU \| 'with BFD')
2919	lt_cv_prog_gnu_ld=yes
2920	;;
2921	*)
2922	lt_cv_prog_gnu_ld=no
2923	;;
2924	esac])
2925	with_gnu_ld=$lt_cv_prog_gnu_ld
2926	])# _LT_PATH_LD_GNU
2927
2928
2929	# _LT_CMD_RELOAD
2930	# --------------
2931	# find reload flag for linker
2932	# -- PORTME Some linkers may need a different reload flag.
2933	m4_defun([_LT_CMD_RELOAD],
2934	[AC_CACHE_CHECK([for $LD option to reload object files],
2935	lt_cv_ld_reload_flag,
2936	[lt_cv_ld_reload_flag='-r'])
2937	reload_flag=$lt_cv_ld_reload_flag
2938	case $reload_flag in
2939	"" \| " "*) ;;
2940	*) reload_flag=" $reload_flag" ;;
2941	esac
2942	reload_cmds='$LD$reload_flag -o $output$reload_objs'
2943	case $host_os in
2944	darwin*)
2945	if test "$GCC" = yes; then
2946	reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
2947	else
2948	reload_cmds='$LD$reload_flag -o $output$reload_objs'
2949	fi
2950	;;
2951	esac
2952	_LT_DECL([], [reload_flag], [1], [How to create reloadable object files])dnl
2953	_LT_DECL([], [reload_cmds], [2])dnl
2954	])# _LT_CMD_RELOAD
2955
2956
2957	# _LT_CHECK_MAGIC_METHOD
2958	# ----------------------
2959	# how to check for library dependencies
2960	# -- PORTME fill in with the dynamic library characteristics
2961	m4_defun([_LT_CHECK_MAGIC_METHOD],
2962	[m4_require([_LT_DECL_EGREP])
2963	m4_require([_LT_DECL_OBJDUMP])
2964	AC_CACHE_CHECK([how to recognize dependent libraries],
2965	lt_cv_deplibs_check_method,
2966	[lt_cv_file_magic_cmd='$MAGIC_CMD'
2967	lt_cv_file_magic_test_file=
2968	lt_cv_deplibs_check_method='unknown'
2969	# Need to set the preceding variable on all platforms that support
2970	# interlibrary dependencies.
2971	# 'none' -- dependencies not supported.
2972	# `unknown' -- same as none, but documents that we really don't know.
2973	# 'pass_all' -- all dependencies passed with no checks.
2974	# 'test_compile' -- check by making test program.
2975	# 'file_magic [[regex]]' -- check by looking for files in library path
2976	# which responds to the $file_magic_cmd with a given extended regex.
2977	# If you have `file' or equivalent on your system and you're not sure
2978	# whether `pass_all' will always* work, you probably want this one.*
2979
2980	case $host_os in
2981	aix[[4-9]]*)
2982	lt_cv_deplibs_check_method=pass_all
2983	;;
2984
2985	beos*)
2986	lt_cv_deplibs_check_method=pass_all
2987	;;
2988
2989	bsdi[[45]]*)
2990	lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object\|dynamic lib)'
2991	lt_cv_file_magic_cmd='/usr/bin/file -L'
2992	lt_cv_file_magic_test_file=/shlib/libc.so
2993	;;
2994
2995	cygwin*)
2996	# func_win32_libid is a shell function defined in ltmain.sh
2997	lt_cv_deplibs_check_method='file_magic ^x86 archive import\|^x86 DLL'
2998	lt_cv_file_magic_cmd='func_win32_libid'
2999	;;
3000
3001	mingw* \| pw32*)
3002	# Base MSYS/MinGW do not provide the 'file' command needed by
3003	# func_win32_libid shell function, so use a weaker test based on 'objdump',
3004	# unless we find 'file', for example because we are cross-compiling.
3005	if ( file / ) >/dev/null 2>&1; then
3006	lt_cv_deplibs_check_method='file_magic ^x86 archive import\|^x86 DLL'
3007	lt_cv_file_magic_cmd='func_win32_libid'
3008	else
3009	lt_cv_deplibs_check_method='file_magic file format pei-i386(.architecture: i386)?'
3010	lt_cv_file_magic_cmd='$OBJDUMP -f'
3011	fi
3012	;;
3013
3014	cegcc)
3015	# use the weaker test based on 'objdump'. See mingw.*
3016	lt_cv_deplibs_check_method='file_magic file format pe-arm-.little(.architecture: arm)?'
3017	lt_cv_file_magic_cmd='$OBJDUMP -f'
3018	;;
3019
3020	darwin* \| rhapsody*)
3021	lt_cv_deplibs_check_method=pass_all
3022	;;
3023
3024	freebsd* \| dragonfly*)
3025	if echo __ELF__ \| $CC -E - \| $GREP __ELF__ > /dev/null; then
3026	case $host_cpu in
3027	i*86 )
3028	# Not sure whether the presence of OpenBSD here was a mistake.
3029	# Let's accept both of them until this is cleared up.
3030	lt_cv_deplibs_check_method='file_magic (FreeBSD\|OpenBSD\|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library'
3031	lt_cv_file_magic_cmd=/usr/bin/file
3032	lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
3033	;;
3034	esac
3035	else
3036	lt_cv_deplibs_check_method=pass_all
3037	fi
3038	;;
3039
3040	gnu*)
3041	lt_cv_deplibs_check_method=pass_all
3042	;;
3043
3044	hpux10.20* \| hpux11*)
3045	lt_cv_file_magic_cmd=/usr/bin/file
3046	case $host_cpu in
3047	ia64*)
3048	lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]\|ELF-[[0-9]][[0-9]]) shared object file - IA64'
3049	lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
3050	;;
3051	hppa64)
3052	[lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]\|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]']
3053	lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
3054	;;
3055	*)
3056	lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]\|PA-RISC[[0-9]].[[0-9]]) shared library'
3057	lt_cv_file_magic_test_file=/usr/lib/libc.sl
3058	;;
3059	esac
3060	;;
3061
3062	interix[[3-9]]*)
3063	# PIC code is broken on Interix 3.x, that's why \|\.a not \|_pic\.a here
3064	lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\|\.a)$'
3065	;;
3066
3067	irix5* \| irix6* \| nonstopux*)
3068	case $LD in
3069	-32\|"-32 ") libmagic=32-bit;;
3070	-n32\|"-n32 ") libmagic=N32;;
3071	-64\|"-64 ") libmagic=64-bit;;
3072	*) libmagic=never-match;;
3073	esac
3074	lt_cv_deplibs_check_method=pass_all
3075	;;
3076
3077	# This must be Linux ELF.
3078	linux* \| kbsd-gnu)
3079	lt_cv_deplibs_check_method=pass_all
3080	;;
3081
3082	*netbsd)**
3083	if echo __ELF__ \| $CC -E - \| $GREP __ELF__ > /dev/null; then
3084	lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+\|_pic\.a)$'
3085	else
3086	lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\|_pic\.a)$'
3087	fi
3088	;;
3089
3090	newos6*)
3091	lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable\|dynamic lib)'
3092	lt_cv_file_magic_cmd=/usr/bin/file
3093	lt_cv_file_magic_test_file=/usr/lib/libnls.so
3094	;;
3095
3096	nto \| qnx)
3097	lt_cv_deplibs_check_method=pass_all
3098	;;
3099
3100	openbsd*)
3101	if test -z "`echo __ELF__ \| $CC -E - \| $GREP __ELF__`" \|\| test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
3102	lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+\|\.so\|_pic\.a)$'
3103	else
3104	lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+\|_pic\.a)$'
3105	fi
3106	;;
3107
3108	osf3* \| osf4* \| osf5*)
3109	lt_cv_deplibs_check_method=pass_all
3110	;;
3111
3112	rdos*)
3113	lt_cv_deplibs_check_method=pass_all
3114	;;
3115
3116	solaris*)
3117	lt_cv_deplibs_check_method=pass_all
3118	;;
3119
3120	sysv5* \| sco3.2v5* \| sco5v6* \| unixware* \| OpenUNIX* \| sysv4uw2)
3121	lt_cv_deplibs_check_method=pass_all
3122	;;
3123
3124	sysv4 \| sysv4.3*)
3125	case $host_vendor in
3126	motorola)
3127	lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]-bit [[ML]]SB (shared object\|dynamic lib) M[[0-9]][[0-9]] Version [[0-9]]'
3128	lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
3129	;;
3130	ncr)
3131	lt_cv_deplibs_check_method=pass_all
3132	;;
3133	sequent)
3134	lt_cv_file_magic_cmd='/bin/file'
3135	lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object\|dynamic lib )'
3136	;;
3137	sni)
3138	lt_cv_file_magic_cmd='/bin/file'
3139	lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
3140	lt_cv_file_magic_test_file=/lib/libc.so
3141	;;
3142	siemens)
3143	lt_cv_deplibs_check_method=pass_all
3144	;;
3145	pc)
3146	lt_cv_deplibs_check_method=pass_all
3147	;;
3148	esac
3149	;;
3150
3151	tpf*)
3152	lt_cv_deplibs_check_method=pass_all
3153	;;
3154	esac
3155	])
3156	file_magic_cmd=$lt_cv_file_magic_cmd
3157	deplibs_check_method=$lt_cv_deplibs_check_method
3158	test -z "$deplibs_check_method" && deplibs_check_method=unknown
3159
3160	_LT_DECL([], [deplibs_check_method], [1],
3161	[Method to check whether dependent libraries are shared objects])
3162	_LT_DECL([], [file_magic_cmd], [1],
3163	[Command to use when deplibs_check_method == "file_magic"])
3164	])# _LT_CHECK_MAGIC_METHOD
3165
3166
3167	# LT_PATH_NM
3168	# ----------
3169	# find the pathname to a BSD- or MS-compatible name lister
3170	AC_DEFUN([LT_PATH_NM],
3171	[AC_REQUIRE([AC_PROG_CC])dnl
3172	AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM,
3173	[if test -n "$NM"; then
3174	# Let the user override the test.
3175	lt_cv_path_NM="$NM"
3176	else
3177	lt_nm_to_check="${ac_tool_prefix}nm"
3178	if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
3179	lt_nm_to_check="$lt_nm_to_check nm"
3180	fi
3181	for lt_tmp_nm in $lt_nm_to_check; do
3182	lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
3183	for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
3184	IFS="$lt_save_ifs"
3185	test -z "$ac_dir" && ac_dir=.
3186	tmp_nm="$ac_dir/$lt_tmp_nm"
3187	if test -f "$tmp_nm" \|\| test -f "$tmp_nm$ac_exeext" ; then
3188	# Check to see if the nm accepts a BSD-compat flag.
3189	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
3190	# nm: unknown option "B" ignored
3191	# Tru64's nm complains that /dev/null is an invalid object file
3192	case `"$tmp_nm" -B /dev/null 2>&1 \| sed '1q'` in
3193	/dev/null \| 'Invalid file or object type')
3194	lt_cv_path_NM="$tmp_nm -B"
3195	break
3196	;;
3197	*)
3198	case `"$tmp_nm" -p /dev/null 2>&1 \| sed '1q'` in
3199	/dev/null)
3200	lt_cv_path_NM="$tmp_nm -p"
3201	break
3202	;;
3203	*)
3204	lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
3205	continue # so that we can try to find one that supports BSD flags
3206	;;
3207	esac
3208	;;
3209	esac
3210	fi
3211	done
3212	IFS="$lt_save_ifs"
3213	done
3214	: ${lt_cv_path_NM=no}
3215	fi])
3216	if test "$lt_cv_path_NM" != "no"; then
3217	NM="$lt_cv_path_NM"
3218	else
3219	# Didn't find any BSD compatible name lister, look for dumpbin.
3220	AC_CHECK_TOOLS(DUMPBIN, ["dumpbin -symbols" "link -dump -symbols"], :)
3221	AC_SUBST([DUMPBIN])
3222	if test "$DUMPBIN" != ":"; then
3223	NM="$DUMPBIN"
3224	fi
3225	fi
3226	test -z "$NM" && NM=nm
3227	AC_SUBST([NM])
3228	_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl
3229
3230	AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface],
3231	[lt_cv_nm_interface="BSD nm"
3232	echo "int some_variable = 0;" > conftest.$ac_ext
3233	(eval echo "\"\$as_me:__oline__: $ac_compile\"" >&AS_MESSAGE_LOG_FD)
3234	(eval "$ac_compile" 2>conftest.err)
3235	cat conftest.err >&AS_MESSAGE_LOG_FD
3236	(eval echo "\"\$as_me:__oline__: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD)
3237	(eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
3238	cat conftest.err >&AS_MESSAGE_LOG_FD
3239	(eval echo "\"\$as_me:__oline__: output\"" >&AS_MESSAGE_LOG_FD)
3240	cat conftest.out >&AS_MESSAGE_LOG_FD
3241	if $GREP 'External.*some_variable' conftest.out > /dev/null; then
3242	lt_cv_nm_interface="MS dumpbin"
3243	fi
3244	rm -f conftest*])
3245	])# LT_PATH_NM
3246
3247	# Old names:
3248	AU_ALIAS([AM_PROG_NM], [LT_PATH_NM])
3249	AU_ALIAS([AC_PROG_NM], [LT_PATH_NM])
3250	dnl aclocal-1.4 backwards compatibility:
3251	dnl AC_DEFUN([AM_PROG_NM], [])
3252	dnl AC_DEFUN([AC_PROG_NM], [])
3253
3254
3255	# LT_LIB_M
3256	# --------
3257	# check for math library
3258	AC_DEFUN([LT_LIB_M],
3259	[AC_REQUIRE([AC_CANONICAL_HOST])dnl
3260	LIBM=
3261	case $host in
3262	--beos* \| --cygwin* \| --pw32* \| --darwin*)
3263	# These system don't have libm, or don't need it
3264	;;
3265	-ncr-sysv4.3)
3266	AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
3267	AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
3268	;;
3269	*)
3270	AC_CHECK_LIB(m, cos, LIBM="-lm")
3271	;;
3272	esac
3273	AC_SUBST([LIBM])
3274	])# LT_LIB_M
3275
3276	# Old name:
3277	AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M])
3278	dnl aclocal-1.4 backwards compatibility:
3279	dnl AC_DEFUN([AC_CHECK_LIBM], [])
3280
3281
3282	# _LT_COMPILER_NO_RTTI([TAGNAME])
3283	# -------------------------------
3284	m4_defun([_LT_COMPILER_NO_RTTI],
3285	[m4_require([_LT_TAG_COMPILER])dnl
3286
3287	_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
3288
3289	if test "$GCC" = yes; then
3290	_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
3291
3292	_LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
3293	lt_cv_prog_compiler_rtti_exceptions,
3294	[-fno-rtti -fno-exceptions], [],
3295	[_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
3296	fi
3297	_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1],
3298	[Compiler flag to turn off builtin functions])
3299	])# _LT_COMPILER_NO_RTTI
3300
3301
3302	# _LT_CMD_GLOBAL_SYMBOLS
3303	# ----------------------
3304	m4_defun([_LT_CMD_GLOBAL_SYMBOLS],
3305	[AC_REQUIRE([AC_CANONICAL_HOST])dnl
3306	AC_REQUIRE([AC_PROG_CC])dnl
3307	AC_REQUIRE([LT_PATH_NM])dnl
3308	AC_REQUIRE([LT_PATH_LD])dnl
3309	m4_require([_LT_DECL_SED])dnl
3310	m4_require([_LT_DECL_EGREP])dnl
3311	m4_require([_LT_TAG_COMPILER])dnl
3312
3313	# Check for command to grab the raw symbol name followed by C symbol from nm.
3314	AC_MSG_CHECKING([command to parse $NM output from $compiler object])
3315	AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
3316	[
3317	# These are sane defaults that work on at least a few old systems.
3318	# [They come from Ultrix. What could be older than Ultrix?!! ;)]
3319
3320	# Character class describing NM global symbol codes.
3321	symcode='[[BCDEGRST]]'
3322
3323	# Regexp to match symbols that can be accessed directly from C.
3324	sympat='$[[_A-Za-z]][[_A-Za-z0-9]]*$'
3325
3326	# Define system-specific variables.
3327	case $host_os in
3328	aix*)
3329	symcode='[[BCDT]]'
3330	;;
3331	cygwin* \| mingw* \| pw32* \| cegcc*)
3332	symcode='[[ABCDGISTW]]'
3333	;;
3334	hpux*)
3335	if test "$host_cpu" = ia64; then
3336	symcode='[[ABCDEGRST]]'
3337	fi
3338	;;
3339	irix* \| nonstopux*)
3340	symcode='[[BCDEGRST]]'
3341	;;
3342	osf*)
3343	symcode='[[BCDEGQRST]]'
3344	;;
3345	solaris*)
3346	symcode='[[BDRT]]'
3347	;;
3348	sco3.2v5*)
3349	symcode='[[DT]]'
3350	;;
3351	sysv4.2uw2*)
3352	symcode='[[DT]]'
3353	;;
3354	sysv5* \| sco5v6* \| unixware* \| OpenUNIX*)
3355	symcode='[[ABDT]]'
3356	;;
3357	sysv4)
3358	symcode='[[DFNSTU]]'
3359	;;
3360	esac
3361
3362	# If we're using GNU nm, then use its standard symbol codes.
3363	case `$NM -V 2>&1` in
3364	GNU \| 'with BFD')
3365	symcode='[[ABCDGIRSTW]]' ;;
3366	esac
3367
3368	# Transform an extracted symbol line into a proper C declaration.
3369	# Some systems (esp. on ia64) link data and code symbols differently,
3370	# so use this general approach.
3371	lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* $.$$/extern int \1();/p' -e 's/^$symcode .* $.*$$/extern char \1;/p'"
3372
3373	# Transform an extracted symbol line into symbol name and symbol address
3374	lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: $[[^ ]]$ $/ {\\\"\1\\\", (void ) 0},/p' -e 's/^$symcode* $[[^ ]]$ $[[^ ]]$$/ {\"\2\", (void *) \&\2},/p'"
3375	lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: $[[^ ]]$ $/ {\\\"\1\\\", (void ) 0},/p' -e 's/^$symcode* $[[^ ]]$ $lib[[^ ]]$$/ {\"\2\", (void ) \&\2},/p' -e 's/^$symcode $[[^ ]]$ $[[^ ]]$$/ {\"lib\2\", (void *) \&\2},/p'"
3376
3377	# Handle CRLF in mingw tool chain
3378	opt_cr=
3379	case $build_os in
3380	mingw*)
3381	opt_cr=`$ECHO 'x\{0,1\}' \| tr x '\015'` # option cr in regexp
3382	;;
3383	esac
3384
3385	# Try without a prefix underscore, then with it.
3386	for ac_symprfx in "" "_"; do
3387
3388	# Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
3389	symxfrm="\\1 $ac_symprfx\\2 \\2"
3390
3391	# Write the raw and C identifiers.
3392	if test "$lt_cv_nm_interface" = "MS dumpbin"; then
3393	# Fake it for dumpbin and say T for any non-static function
3394	# and D for any global variable.
3395	# Also find C++ and __fastcall symbols from MSVC++,
3396	# which start with @ or ?.
3397	lt_cv_sys_global_symbol_pipe="$AWK ['"\
3398	" {last_section=section; section=\$ 3};"\
3399	" /Section length .*#relocs.(pick any)/{hide[last_section]=1};"\*
3400	" \$ 0!~/External *\\|/{next};"\
3401	" / 0+ UNDEF /{next}; / UNDEF $[^\|]$*()/{next};"\
3402	" {if(hide[section]) next};"\
3403	" {f=0}; \$ 0~/.*\\|/{f=1}; {printf f ? \"T \" : \"D \"};"\
3404	" {split(\$ 0, a, /\\|\|\r/); split(a[2], s)};"\
3405	" s[1]~/^[@?]/{print s[1], s[1]; next};"\
3406	" s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\
3407	" ' prfx=^$ac_symprfx]"
3408	else
3409	lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.[[ ]]$$symcode$symcode$[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
3410	fi
3411
3412	# Check to see that the pipe works correctly.
3413	pipe_works=no
3414
3415	rm -f conftest*
3416	cat > conftest.$ac_ext <<_LT_EOF
3417	#ifdef __cplusplus
3418	extern "C" {
3419	#endif
3420	char nm_test_var;
3421	void nm_test_func(void);
3422	void nm_test_func(void){}
3423	#ifdef __cplusplus
3424	}
3425	#endif
3426	int main(){nm_test_var='a';nm_test_func();return(0);}
3427	_LT_EOF
3428
3429	if AC_TRY_EVAL(ac_compile); then
3430	# Now try to grab the symbols.
3431	nlist=conftest.nm
3432	if AC_TRY_EVAL(NM conftest.$ac_objext \\| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then
3433	# Try sorting and uniquifying the output.
3434	if sort "$nlist" \| uniq > "$nlist"T; then
3435	mv -f "$nlist"T "$nlist"
3436	else
3437	rm -f "$nlist"T
3438	fi
3439
3440	# Make sure that we snagged all the symbols we need.
3441	if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
3442	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
3443	cat <<_LT_EOF > conftest.$ac_ext
3444	#ifdef __cplusplus
3445	extern "C" {
3446	#endif
3447
3448	_LT_EOF
3449	# Now generate the symbol file.
3450	eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" \| $GREP -v main >> conftest.$ac_ext'
3451
3452	cat <<_LT_EOF >> conftest.$ac_ext
3453
3454	/* The mapping between symbol names and symbols. */
3455	const struct {
3456	const char *name;
3457	void *address;
3458	}
3459	lt__PROGRAM__LTX_preloaded_symbols[[]] =
3460	{
3461	{ "@PROGRAM@", (void *) 0 },
3462	_LT_EOF
3463	$SED "s/^$symcode$symcode* $.$ $.$$/ {\"\2\", (void *) \&\2},/" < "$nlist" \| $GREP -v main >> conftest.$ac_ext
3464	cat <<\_LT_EOF >> conftest.$ac_ext
3465	{0, (void *) 0}
3466	};
3467
3468	/* This works around a problem in FreeBSD linker */
3469	#ifdef FREEBSD_WORKAROUND
3470	static const void *lt_preloaded_setup() {
3471	return lt__PROGRAM__LTX_preloaded_symbols;
3472	}
3473	#endif
3474
3475	#ifdef __cplusplus
3476	}
3477	#endif
3478	_LT_EOF
3479	# Now try linking the two files.
3480	mv conftest.$ac_objext conftstm.$ac_objext
3481	lt_save_LIBS="$LIBS"
3482	lt_save_CFLAGS="$CFLAGS"
3483	LIBS="conftstm.$ac_objext"
3484	CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
3485	if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
3486	pipe_works=yes
3487	fi
3488	LIBS="$lt_save_LIBS"
3489	CFLAGS="$lt_save_CFLAGS"
3490	else
3491	echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
3492	fi
3493	else
3494	echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
3495	fi
3496	else
3497	echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
3498	fi
3499	else
3500	echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
3501	cat conftest.$ac_ext >&5
3502	fi
3503	rm -rf conftest* conftst*
3504
3505	# Do not use the global_symbol_pipe unless it works.
3506	if test "$pipe_works" = yes; then
3507	break
3508	else
3509	lt_cv_sys_global_symbol_pipe=
3510	fi
3511	done
3512	])
3513	if test -z "$lt_cv_sys_global_symbol_pipe"; then
3514	lt_cv_sys_global_symbol_to_cdecl=
3515	fi
3516	if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
3517	AC_MSG_RESULT(failed)
3518	else
3519	AC_MSG_RESULT(ok)
3520	fi
3521
3522	_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1],
3523	[Take the output of nm and produce a listing of raw symbols and C names])
3524	_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1],
3525	[Transform the output of nm in a proper C declaration])
3526	_LT_DECL([global_symbol_to_c_name_address],
3527	[lt_cv_sys_global_symbol_to_c_name_address], [1],
3528	[Transform the output of nm in a C name address pair])
3529	_LT_DECL([global_symbol_to_c_name_address_lib_prefix],
3530	[lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1],
3531	[Transform the output of nm in a C name address pair when lib prefix is needed])
3532	]) # _LT_CMD_GLOBAL_SYMBOLS
3533
3534
3535	# _LT_COMPILER_PIC([TAGNAME])
3536	# ---------------------------
3537	m4_defun([_LT_COMPILER_PIC],
3538	[m4_require([_LT_TAG_COMPILER])dnl
3539	_LT_TAGVAR(lt_prog_compiler_wl, $1)=
3540	_LT_TAGVAR(lt_prog_compiler_pic, $1)=
3541	_LT_TAGVAR(lt_prog_compiler_static, $1)=
3542
3543	AC_MSG_CHECKING([for $compiler option to produce PIC])
3544	m4_if([$1], [CXX], [
3545	# C++ specific cases for pic, static, wl, etc.
3546	if test "$GXX" = yes; then
3547	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3548	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
3549
3550	case $host_os in
3551	aix*)
3552	# All AIX code is PIC.
3553	if test "$host_cpu" = ia64; then
3554	# AIX 5 now supports IA64 processor
3555	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
3556	fi
3557	;;
3558
3559	amigaos*)
3560	case $host_cpu in
3561	powerpc)
3562	# see comment about AmigaOS4 .so support
3563	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
3564	;;
3565	m68k)
3566	# FIXME: we need at least 68020 code to build shared libraries, but
3567	# adding the `-m68020' flag to GCC prevents building anything better,
3568	# like `-m68040'.
3569	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
3570	;;
3571	esac
3572	;;
3573
3574	beos* \| irix5* \| irix6* \| nonstopux* \| osf3* \| osf4* \| osf5*)
3575	# PIC is the default for these OSes.
3576	;;
3577	mingw* \| cygwin* \| os2* \| pw32* \| cegcc*)
3578	# This hack is so that the source file can tell whether it is being
3579	# built for inclusion in a dll (and should export symbols for example).
3580	# Although the cygwin gcc ignores -fPIC, still need this for old-style
3581	# (--disable-auto-import) libraries
3582	m4_if([$1], [GCJ], [],
3583	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
3584	;;
3585	darwin* \| rhapsody*)
3586	# PIC is the default on this platform
3587	# Common symbols not allowed in MH_DYLIB files
3588	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
3589	;;
3590	djgpp)
3591	# DJGPP does not support shared libraries at all
3592	_LT_TAGVAR(lt_prog_compiler_pic, $1)=
3593	;;
3594	interix[[3-9]]*)
3595	# Interix 3.x gcc -fpic/-fPIC options generate broken code.
3596	# Instead, we relocate shared libraries at runtime.
3597	;;
3598	sysv4MP)
3599	if test -d /usr/nec; then
3600	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
3601	fi
3602	;;
3603	hpux*)
3604	# PIC is the default for 64-bit PA HP-UX, but not for 32-bit
3605	# PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag
3606	# sets the default TLS model and affects inlining.
3607	case $host_cpu in
3608	hppa64)
3609	;;
3610	*)
3611	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
3612	;;
3613	esac
3614	;;
3615	qnx \| nto)
3616	# QNX uses GNU C++, but need to define -shared option too, otherwise
3617	# it will coredump.
3618	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
3619	;;
3620	*)
3621	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
3622	;;
3623	esac
3624	else
3625	case $host_os in
3626	aix[[4-9]]*)
3627	# All AIX code is PIC.
3628	if test "$host_cpu" = ia64; then
3629	# AIX 5 now supports IA64 processor
3630	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
3631	else
3632	_LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
3633	fi
3634	;;
3635	chorus*)
3636	case $cc_basename in
3637	cxch68*)
3638	# Green Hills C++ Compiler
3639	# _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
3640	;;
3641	esac
3642	;;
3643	dgux*)
3644	case $cc_basename in
3645	ec++*)
3646	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
3647	;;
3648	ghcx*)
3649	# Green Hills C++ Compiler
3650	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
3651	;;
3652	*)
3653	;;
3654	esac
3655	;;
3656	freebsd* \| dragonfly*)
3657	# FreeBSD uses GNU C++
3658	;;
3659	hpux9* \| hpux10* \| hpux11*)
3660	case $cc_basename in
3661	CC*)
3662	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3663	_LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
3664	if test "$host_cpu" != ia64; then
3665	_LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
3666	fi
3667	;;
3668	aCC*)
3669	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3670	_LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
3671	case $host_cpu in
3672	hppa64\|ia64*)
3673	# +Z the default
3674	;;
3675	*)
3676	_LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
3677	;;
3678	esac
3679	;;
3680	*)
3681	;;
3682	esac
3683	;;
3684	interix*)
3685	# This is c89, which is MS Visual C++ (no shared libs)
3686	# Anyone wants to do a port?
3687	;;
3688	irix5* \| irix6* \| nonstopux*)
3689	case $cc_basename in
3690	CC*)
3691	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3692	_LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
3693	# CC pic flag -KPIC is the default.
3694	;;
3695	*)
3696	;;
3697	esac
3698	;;
3699	linux* \| kbsd-gnu)
3700	case $cc_basename in
3701	KCC*)
3702	# KAI C++ Compiler
3703	_LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
3704	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
3705	;;
3706	ecpc* )
3707	# old Intel C++ for x86_64 which still supported -KPIC.
3708	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3709	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
3710	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
3711	;;
3712	icpc* )
3713	# Intel C++, used to be incompatible with GCC.
3714	# ICC 10 doesn't accept -KPIC any more.
3715	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3716	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
3717	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
3718	;;
3719	pgCC* \| pgcpp*)
3720	# Portland Group C++ compiler
3721	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3722	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
3723	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
3724	;;
3725	cxx*)
3726	# Compaq C++
3727	# Make sure the PIC flag is empty. It appears that all Alpha
3728	# Linux and Compaq Tru64 Unix objects are PIC.
3729	_LT_TAGVAR(lt_prog_compiler_pic, $1)=
3730	_LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
3731	;;
3732	xlc* \| xlC*)
3733	# IBM XL 8.0 on PPC
3734	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3735	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
3736	_LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
3737	;;
3738	*)
3739	case `$CC -V 2>&1 \| sed 5q` in
3740	Sun\ C)
3741	# Sun C++ 5.9
3742	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
3743	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
3744	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
3745	;;
3746	esac
3747	;;
3748	esac
3749	;;
3750	lynxos*)
3751	;;
3752	m88k*)
3753	;;
3754	mvs*)
3755	case $cc_basename in
3756	cxx*)
3757	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
3758	;;
3759	*)
3760	;;
3761	esac
3762	;;
3763	netbsd*)
3764	;;
3765	qnx \| nto)
3766	# QNX uses GNU C++, but need to define -shared option too, otherwise
3767	# it will coredump.
3768	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
3769	;;
3770	osf3* \| osf4* \| osf5*)
3771	case $cc_basename in
3772	KCC*)
3773	_LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
3774	;;
3775	RCC*)
3776	# Rational C++ 2.4.1
3777	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
3778	;;
3779	cxx*)
3780	# Digital/Compaq C++
3781	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3782	# Make sure the PIC flag is empty. It appears that all Alpha
3783	# Linux and Compaq Tru64 Unix objects are PIC.
3784	_LT_TAGVAR(lt_prog_compiler_pic, $1)=
3785	_LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
3786	;;
3787	*)
3788	;;
3789	esac
3790	;;
3791	psos*)
3792	;;
3793	solaris*)
3794	case $cc_basename in
3795	CC*)
3796	# Sun C++ 4.2, 5.x and Centerline C++
3797	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
3798	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
3799	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
3800	;;
3801	gcx*)
3802	# Green Hills C++ Compiler
3803	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
3804	;;
3805	*)
3806	;;
3807	esac
3808	;;
3809	sunos4*)
3810	case $cc_basename in
3811	CC*)
3812	# Sun C++ 4.x
3813	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
3814	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
3815	;;
3816	lcc*)
3817	# Lucid
3818	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
3819	;;
3820	*)
3821	;;
3822	esac
3823	;;
3824	sysv5* \| unixware* \| sco3.2v5* \| sco5v6* \| OpenUNIX*)
3825	case $cc_basename in
3826	CC*)
3827	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3828	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
3829	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
3830	;;
3831	esac
3832	;;
3833	tandem*)
3834	case $cc_basename in
3835	NCC*)
3836	# NonStop-UX NCC 3.20
3837	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
3838	;;
3839	*)
3840	;;
3841	esac
3842	;;
3843	vxworks*)
3844	;;
3845	*)
3846	_LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
3847	;;
3848	esac
3849	fi
3850	],
3851	[
3852	if test "$GCC" = yes; then
3853	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3854	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
3855
3856	case $host_os in
3857	aix*)
3858	# All AIX code is PIC.
3859	if test "$host_cpu" = ia64; then
3860	# AIX 5 now supports IA64 processor
3861	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
3862	fi
3863	;;
3864
3865	amigaos*)
3866	case $host_cpu in
3867	powerpc)
3868	# see comment about AmigaOS4 .so support
3869	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
3870	;;
3871	m68k)
3872	# FIXME: we need at least 68020 code to build shared libraries, but
3873	# adding the `-m68020' flag to GCC prevents building anything better,
3874	# like `-m68040'.
3875	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
3876	;;
3877	esac
3878	;;
3879
3880	beos* \| irix5* \| irix6* \| nonstopux* \| osf3* \| osf4* \| osf5*)
3881	# PIC is the default for these OSes.
3882	;;
3883
3884	mingw* \| cygwin* \| pw32* \| os2* \| cegcc*)
3885	# This hack is so that the source file can tell whether it is being
3886	# built for inclusion in a dll (and should export symbols for example).
3887	# Although the cygwin gcc ignores -fPIC, still need this for old-style
3888	# (--disable-auto-import) libraries
3889	m4_if([$1], [GCJ], [],
3890	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
3891	;;
3892
3893	darwin* \| rhapsody*)
3894	# PIC is the default on this platform
3895	# Common symbols not allowed in MH_DYLIB files
3896	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
3897	;;
3898
3899	hpux*)
3900	# PIC is the default for 64-bit PA HP-UX, but not for 32-bit
3901	# PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag
3902	# sets the default TLS model and affects inlining.
3903	case $host_cpu in
3904	hppa64)
3905	# +Z the default
3906	;;
3907	*)
3908	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
3909	;;
3910	esac
3911	;;
3912
3913	interix[[3-9]]*)
3914	# Interix 3.x gcc -fpic/-fPIC options generate broken code.
3915	# Instead, we relocate shared libraries at runtime.
3916	;;
3917
3918	msdosdjgpp*)
3919	# Just because we use GCC doesn't mean we suddenly get shared libraries
3920	# on systems that don't support them.
3921	_LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
3922	enable_shared=no
3923	;;
3924
3925	nto \| qnx)
3926	# QNX uses GNU C++, but need to define -shared option too, otherwise
3927	# it will coredump.
3928	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
3929	;;
3930
3931	sysv4MP)
3932	if test -d /usr/nec; then
3933	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
3934	fi
3935	;;
3936
3937	*)
3938	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
3939	;;
3940	esac
3941	else
3942	# PORTME Check for flag to pass linker flags through the system compiler.
3943	case $host_os in
3944	aix*)
3945	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3946	if test "$host_cpu" = ia64; then
3947	# AIX 5 now supports IA64 processor
3948	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
3949	else
3950	_LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
3951	fi
3952	;;
3953
3954	mingw* \| cygwin* \| pw32* \| os2* \| cegcc*)
3955	# This hack is so that the source file can tell whether it is being
3956	# built for inclusion in a dll (and should export symbols for example).
3957	m4_if([$1], [GCJ], [],
3958	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
3959	;;
3960
3961	hpux9* \| hpux10* \| hpux11*)
3962	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3963	# PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
3964	# not for PA HP-UX.
3965	case $host_cpu in
3966	hppa64\|ia64*)
3967	# +Z the default
3968	;;
3969	*)
3970	_LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
3971	;;
3972	esac
3973	# Is there a better lt_prog_compiler_static that works with the bundled CC?
3974	_LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
3975	;;
3976
3977	irix5* \| irix6* \| nonstopux*)
3978	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3979	# PIC (with -KPIC) is the default.
3980	_LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
3981	;;
3982
3983	linux* \| kbsd-gnu)
3984	case $cc_basename in
3985	# old Intel for x86_64 which still supported -KPIC.
3986	ecc*)
3987	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3988	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
3989	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
3990	;;
3991	# icc used to be incompatible with GCC.
3992	# ICC 10 doesn't accept -KPIC any more.
3993	icc* \| ifort*)
3994	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3995	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
3996	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
3997	;;
3998	# Lahey Fortran 8.1.
3999	lf95*)
4000	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4001	_LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared'
4002	_LT_TAGVAR(lt_prog_compiler_static, $1)='--static'
4003	;;
4004	pgcc* \| pgf77* \| pgf90* \| pgf95*)
4005	# Portland Group compilers (not* the Pentium gcc compiler,*
4006	# which looks to be a dead project)
4007	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4008	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
4009	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4010	;;
4011	ccc*)
4012	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4013	# All Alpha code is PIC.
4014	_LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
4015	;;
4016	xl*)
4017	# IBM XL C 8.0/Fortran 10.1 on PPC
4018	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4019	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
4020	_LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
4021	;;
4022	*)
4023	case `$CC -V 2>&1 \| sed 5q` in
4024	Sun\ C)
4025	# Sun C 5.9
4026	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
4027	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4028	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4029	;;
4030	Sun\ F)
4031	# Sun Fortran 8.3 passes all unrecognized flags to the linker
4032	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
4033	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4034	_LT_TAGVAR(lt_prog_compiler_wl, $1)=''
4035	;;
4036	esac
4037	;;
4038	esac
4039	;;
4040
4041	newsos6)
4042	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
4043	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4044	;;
4045
4046	nto \| qnx)
4047	# QNX uses GNU C++, but need to define -shared option too, otherwise
4048	# it will coredump.
4049	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
4050	;;
4051
4052	osf3* \| osf4* \| osf5*)
4053	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4054	# All OSF/1 code is PIC.
4055	_LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
4056	;;
4057
4058	rdos*)
4059	_LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
4060	;;
4061
4062	solaris*)
4063	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
4064	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4065	case $cc_basename in
4066	f77* \| f90* \| f95*)
4067	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
4068	*)
4069	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
4070	esac
4071	;;
4072
4073	sunos4*)
4074	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
4075	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
4076	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4077	;;
4078
4079	sysv4 \| sysv4.2uw2* \| sysv4.3*)
4080	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4081	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
4082	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4083	;;
4084
4085	sysv4MP)
4086	if test -d /usr/nec ;then
4087	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
4088	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4089	fi
4090	;;
4091
4092	sysv5* \| unixware* \| sco3.2v5* \| sco5v6* \| OpenUNIX*)
4093	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4094	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
4095	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4096	;;
4097
4098	unicos*)
4099	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4100	_LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
4101	;;
4102
4103	uts4*)
4104	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
4105	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4106	;;
4107
4108	*)
4109	_LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
4110	;;
4111	esac
4112	fi
4113	])
4114	case $host_os in
4115	# For platforms which do not support PIC, -DPIC is meaningless:
4116	djgpp)
4117	_LT_TAGVAR(lt_prog_compiler_pic, $1)=
4118	;;
4119	*)
4120	_LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])"
4121	;;
4122	esac
4123	AC_MSG_RESULT([$_LT_TAGVAR(lt_prog_compiler_pic, $1)])
4124	_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1],
4125	[How to pass a linker flag through the compiler])
4126
4127	#
4128	# Check to make sure the PIC flag actually works.
4129	#
4130	if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
4131	_LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works],
4132	[_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)],
4133	[$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [],
4134	[case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in
4135	"" \| " "*) ;;
4136	*) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;;
4137	esac],
4138	[_LT_TAGVAR(lt_prog_compiler_pic, $1)=
4139	_LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
4140	fi
4141	_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1],
4142	[Additional compiler flags for building library objects])
4143
4144	#
4145	# Check to make sure the static flag actually works.
4146	#
4147	wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\"
4148	_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works],
4149	_LT_TAGVAR(lt_cv_prog_compiler_static_works, $1),
4150	$lt_tmp_static_flag,
4151	[],
4152	[_LT_TAGVAR(lt_prog_compiler_static, $1)=])
4153	_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1],
4154	[Compiler flag to prevent dynamic linking])
4155	])# _LT_COMPILER_PIC
4156
4157
4158	# _LT_LINKER_SHLIBS([TAGNAME])
4159	# ----------------------------
4160	# See if the linker supports building shared libraries.
4161	m4_defun([_LT_LINKER_SHLIBS],
4162	[AC_REQUIRE([LT_PATH_LD])dnl
4163	AC_REQUIRE([LT_PATH_NM])dnl
4164	m4_require([_LT_FILEUTILS_DEFAULTS])dnl
4165	m4_require([_LT_DECL_EGREP])dnl
4166	m4_require([_LT_DECL_SED])dnl
4167	m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
4168	m4_require([_LT_TAG_COMPILER])dnl
4169	AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
4170	m4_if([$1], [CXX], [
4171	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience \| $global_symbol_pipe \| $SED '\''s/.* //'\'' \| sort \| uniq > $export_symbols'
4172	case $host_os in
4173	aix[[4-9]]*)
4174	# If we're using GNU nm, then we don't want the "-C" option.
4175	# -C means demangle to AIX nm, but means don't demangle with GNU nm
4176	if $NM -V 2>&1 \| $GREP 'GNU' > /dev/null; then
4177	_LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience \| awk '\''{ if (((\$ 2 == "T") \|\| (\$ 2 == "D") \|\| (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' \| sort -u > $export_symbols'
4178	else
4179	_LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience \| awk '\''{ if (((\$ 2 == "T") \|\| (\$ 2 == "D") \|\| (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' \| sort -u > $export_symbols'
4180	fi
4181	;;
4182	pw32*)
4183	_LT_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds"
4184	;;
4185	cygwin* \| mingw* \| cegcc*)
4186	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience \| $global_symbol_pipe \| $SED -e '\''/^[[BCDGRS]][[ ]]/s/.[[ ]]$[[^ ]]$/\1 DATA/;/^.[[ ]]__nm__/s/^.[[ ]]__nm__$[[^ ]]$[[ ]][[^ ]]/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' \| sort \| uniq > $export_symbols'
4187	;;
4188	*)
4189	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience \| $global_symbol_pipe \| $SED '\''s/.* //'\'' \| sort \| uniq > $export_symbols'
4190	;;
4191	esac
4192	_LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_\|_GLOBAL__F[ID]_.*']
4193	], [
4194	runpath_var=
4195	_LT_TAGVAR(allow_undefined_flag, $1)=
4196	_LT_TAGVAR(always_export_symbols, $1)=no
4197	_LT_TAGVAR(archive_cmds, $1)=
4198	_LT_TAGVAR(archive_expsym_cmds, $1)=
4199	_LT_TAGVAR(compiler_needs_object, $1)=no
4200	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
4201	_LT_TAGVAR(export_dynamic_flag_spec, $1)=
4202	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience \| $global_symbol_pipe \| $SED '\''s/.* //'\'' \| sort \| uniq > $export_symbols'
4203	_LT_TAGVAR(hardcode_automatic, $1)=no
4204	_LT_TAGVAR(hardcode_direct, $1)=no
4205	_LT_TAGVAR(hardcode_direct_absolute, $1)=no
4206	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
4207	_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
4208	_LT_TAGVAR(hardcode_libdir_separator, $1)=
4209	_LT_TAGVAR(hardcode_minus_L, $1)=no
4210	_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
4211	_LT_TAGVAR(inherit_rpath, $1)=no
4212	_LT_TAGVAR(link_all_deplibs, $1)=unknown
4213	_LT_TAGVAR(module_cmds, $1)=
4214	_LT_TAGVAR(module_expsym_cmds, $1)=
4215	_LT_TAGVAR(old_archive_from_new_cmds, $1)=
4216	_LT_TAGVAR(old_archive_from_expsyms_cmds, $1)=
4217	_LT_TAGVAR(thread_safe_flag_spec, $1)=
4218	_LT_TAGVAR(whole_archive_flag_spec, $1)=
4219	# include_expsyms should be a list of space-separated symbols to be always
4220	# included in the symbol list
4221	_LT_TAGVAR(include_expsyms, $1)=
4222	# exclude_expsyms can be an extended regexp of symbols to exclude
4223	# it will be wrapped by ` (' and `)$', so one must not match beginning or
4224	# end of line. Example: `a\|bc\|.d.' will exclude the symbols `a' and `bc',
4225	# as well as any symbol that contains `d'.
4226	_LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_\|_GLOBAL__F[ID]_.*']
4227	# Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
4228	# platforms (ab)use it in PIC code, but their linkers get confused if
4229	# the symbol is explicitly referenced. Since portable code cannot
4230	# rely on this symbol name, it's probably fine to never include it in
4231	# preloaded symbol tables.
4232	# Exclude shared library initialization/finalization symbols.
4233	dnl Note also adjust exclude_expsyms for C++ above.
4234	extract_expsyms_cmds=
4235
4236	case $host_os in
4237	cygwin* \| mingw* \| pw32* \| cegcc*)
4238	# FIXME: the MSVC++ port hasn't been tested in a loooong time
4239	# When not using gcc, we currently assume that we are using
4240	# Microsoft Visual C++.
4241	if test "$GCC" != yes; then
4242	with_gnu_ld=no
4243	fi
4244	;;
4245	interix*)
4246	# we just hope/assume this is gcc and not c89 (= MSVC++)
4247	with_gnu_ld=yes
4248	;;
4249	openbsd*)
4250	with_gnu_ld=no
4251	;;
4252	esac
4253
4254	_LT_TAGVAR(ld_shlibs, $1)=yes
4255	if test "$with_gnu_ld" = yes; then
4256	# If archive_cmds runs LD, not CC, wlarc should be empty
4257	wlarc='${wl}'
4258
4259	# Set some defaults for GNU ld with shared library support. These
4260	# are reset later if shared libraries are not supported. Putting them
4261	# here allows them to be overridden if necessary.
4262	runpath_var=LD_RUN_PATH
4263	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
4264	_LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
4265	# ancient GNU ld didn't support --whole-archive et. al.
4266	if $LD --help 2>&1 \| $GREP 'no-whole-archive' > /dev/null; then
4267	_LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
4268	else
4269	_LT_TAGVAR(whole_archive_flag_spec, $1)=
4270	fi
4271	supports_anon_versioning=no
4272	case `$LD -v 2>&1` in
4273	\ [[01]]. \| \ 2.[[0-9]]. \| \ 2.10.) ;; # catch versions < 2.11
4274	\ 2.11.93.0.2\ ) supports_anon_versioning=yes ;; # RH7.3 ...
4275	\ 2.11.92.0.12\ ) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
4276	\ 2.11.) ;; # other 2.11 versions
4277	*) supports_anon_versioning=yes ;;
4278	esac
4279
4280	# See if GNU ld supports shared libraries.
4281	case $host_os in
4282	aix[[3-9]]*)
4283	# On AIX/PPC, the GNU linker is very broken
4284	if test "$host_cpu" != ia64; then
4285	_LT_TAGVAR(ld_shlibs, $1)=no
4286	cat <<_LT_EOF 1>&2
4287
4288	*** Warning: the GNU linker, at least up to release 2.9.1, is reported
4289	*** to be unable to reliably create shared libraries on AIX.
4290	*** Therefore, libtool is disabling shared libraries support. If you
4291	*** really care for shared libraries, you may want to modify your PATH
4292	*** so that a non-GNU linker is found, and then restart.
4293
4294	_LT_EOF
4295	fi
4296	;;
4297
4298	amigaos*)
4299	case $host_cpu in
4300	powerpc)
4301	# see comment about AmigaOS4 .so support
4302	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
4303	_LT_TAGVAR(archive_expsym_cmds, $1)=''
4304	;;
4305	m68k)
4306	_LT_TAGVAR(archive_cmds, $1)='$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)'
4307	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
4308	_LT_TAGVAR(hardcode_minus_L, $1)=yes
4309	;;
4310	esac
4311	;;
4312
4313	beos*)
4314	if $LD --help 2>&1 \| $GREP ': supported targets:.* elf' > /dev/null; then
4315	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
4316	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
4317	# support --undefined. This deserves some investigation. FIXME
4318	_LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
4319	else
4320	_LT_TAGVAR(ld_shlibs, $1)=no
4321	fi
4322	;;
4323
4324	cygwin* \| mingw* \| pw32* \| cegcc*)
4325	# _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
4326	# as there is no search path for DLLs.
4327	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
4328	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
4329	_LT_TAGVAR(always_export_symbols, $1)=no
4330	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
4331	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience \| $global_symbol_pipe \| $SED -e '\''/^[[BCDGRS]][[ ]]/s/.[[ ]]$[[^ ]]$/\1 DATA/'\'' \| $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' \| sort \| uniq > $export_symbols'
4332
4333	if $LD --help 2>&1 \| $GREP 'auto-import' > /dev/null; then
4334	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
4335	# If the export-symbols file already is a .def file (1st line
4336	# is EXPORTS), use it as is; otherwise, prepend...
4337	_LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
4338	cp $export_symbols $output_objdir/$soname.def;
4339	else
4340	echo EXPORTS > $output_objdir/$soname.def;
4341	cat $export_symbols >> $output_objdir/$soname.def;
4342	fi~
4343	$CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
4344	else
4345	_LT_TAGVAR(ld_shlibs, $1)=no
4346	fi
4347	;;
4348
4349	interix[[3-9]]*)
4350	_LT_TAGVAR(hardcode_direct, $1)=no
4351	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
4352	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
4353	_LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
4354	# Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
4355	# Instead, shared libraries are loaded at an image base (0x10000000 by
4356	# default) and relocated if they conflict, which is a slow very memory
4357	# consuming and fragmenting process. To avoid this, we pick a random,
4358	# 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
4359	# time. Moving up from 0x10000000 also allows more sbrk(2) space.
4360	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
4361	_LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
4362	;;
4363
4364	gnu* \| linux* \| tpf* \| kbsd-gnu)
4365	tmp_diet=no
4366	if test "$host_os" = linux-dietlibc; then
4367	case $cc_basename in
4368	diet\ ) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn)*
4369	esac
4370	fi
4371	if $LD --help 2>&1 \| $EGREP ': supported targets:.* elf' > /dev/null \
4372	&& test "$tmp_diet" = no
4373	then
4374	tmp_addflag=
4375	tmp_sharedflag='-shared'
4376	case $cc_basename,$host_cpu in
4377	pgcc) # Portland Group C compiler*
4378	_LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
4379	tmp_addflag=' $pic_flag'
4380	;;
4381	pgf77* \| pgf90* \| pgf95) # Portland Group f77 and f90 compilers*
4382	_LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
4383	tmp_addflag=' $pic_flag -Mnomain' ;;
4384	ecc,ia64 \| icc,ia64) # Intel C compiler on ia64
4385	tmp_addflag=' -i_dynamic' ;;
4386	efc,ia64 \| ifort,ia64) # Intel Fortran compiler on ia64
4387	tmp_addflag=' -i_dynamic -nofor_main' ;;
4388	ifc* \| ifort) # Intel Fortran compiler*
4389	tmp_addflag=' -nofor_main' ;;
4390	lf95) # Lahey Fortran 8.1*
4391	_LT_TAGVAR(whole_archive_flag_spec, $1)=
4392	tmp_sharedflag='--shared' ;;
4393	xl[[cC]]) # IBM XL C 8.0 on PPC (deal with xlf below)*
4394	tmp_sharedflag='-qmkshrobj'
4395	tmp_addflag= ;;
4396	esac
4397	case `$CC -V 2>&1 \| sed 5q` in
4398	Sun\ C) # Sun C 5.9
4399	_LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" \|\| new_convenience=\"$new_convenience,$conv\"; done; $ECHO \"$new_convenience\"` ${wl}--no-whole-archive'
4400	_LT_TAGVAR(compiler_needs_object, $1)=yes
4401	tmp_sharedflag='-G' ;;
4402	Sun\ F) # Sun Fortran 8.3
4403	tmp_sharedflag='-G' ;;
4404	esac
4405	_LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
4406
4407	if test "x$supports_anon_versioning" = xyes; then
4408	_LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
4409	cat $export_symbols \| sed -e "s/$.*$/\1;/" >> $output_objdir/$libname.ver~
4410	echo "local: *; };" >> $output_objdir/$libname.ver~
4411	$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
4412	fi
4413
4414	case $cc_basename in
4415	xlf*)
4416	# IBM XL Fortran 10.1 on PPC cannot create shared libs itself
4417	_LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive'
4418	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
4419	_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='-rpath $libdir'
4420	_LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $compiler_flags -soname $soname -o $lib'
4421	if test "x$supports_anon_versioning" = xyes; then
4422	_LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
4423	cat $export_symbols \| sed -e "s/$.*$/\1;/" >> $output_objdir/$libname.ver~
4424	echo "local: *; };" >> $output_objdir/$libname.ver~
4425	$LD -shared $libobjs $deplibs $compiler_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
4426	fi
4427	;;
4428	esac
4429	else
4430	_LT_TAGVAR(ld_shlibs, $1)=no
4431	fi
4432	;;
4433
4434	netbsd*)
4435	if echo __ELF__ \| $CC -E - \| $GREP __ELF__ >/dev/null; then
4436	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
4437	wlarc=
4438	else
4439	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
4440	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
4441	fi
4442	;;
4443
4444	solaris*)
4445	if $LD -v 2>&1 \| $GREP 'BFD 2\.8' > /dev/null; then
4446	_LT_TAGVAR(ld_shlibs, $1)=no
4447	cat <<_LT_EOF 1>&2