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Last change on this file since 13633 was 12832, checked in by tbretz, 13 years ago
Updated to the latest version produced by autoconf 2.68 and Ubuntu 11.11
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1	# generated automatically by aclocal 1.11.1 -- Autoconf --
2
3	# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4	# 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
5	# This file is free software; the Free Software Foundation
6	# gives unlimited permission to copy and/or distribute it,
7	# with or without modifications, as long as this notice is preserved.
8
9	# This program is distributed in the hope that it will be useful,
10	# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
11	# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
12	# PARTICULAR PURPOSE.
13
14	m4_ifndef([AC_AUTOCONF_VERSION],
15	[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
16	m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.68],,
17	[m4_warning([this file was generated for autoconf 2.68.
18	You have another version of autoconf. It may work, but is not guaranteed to.
19	If you have problems, you may need to regenerate the build system entirely.
20	To do so, use the procedure documented by the package, typically `autoreconf'.])])
21
22	# ===========================================================================
23	# http://www.gnu.org/software/autoconf-archive/ax_boost_asio.html
24	# ===========================================================================
25	#
26	# SYNOPSIS
27	#
28	# AX_BOOST_ASIO
29	#
30	# DESCRIPTION
31	#
32	# Test for Asio library from the Boost C++ libraries. The macro requires a
33	# preceding call to AX_BOOST_BASE. Further documentation is available at
34	# <http://randspringer.de/boost/index.html>.
35	#
36	# This macro calls:
37	#
38	# AC_SUBST(BOOST_ASIO_LIB)
39	#
40	# And sets:
41	#
42	# HAVE_BOOST_ASIO
43	#
44	# LICENSE
45	#
46	# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
47	# Copyright (c) 2008 Pete Greenwell <pete@mu.org>
48	#
49	# Copying and distribution of this file, with or without modification, are
50	# permitted in any medium without royalty provided the copyright notice
51	# and this notice are preserved. This file is offered as-is, without any
52	# warranty.
53
54	#serial 13
55
56	AC_DEFUN([AX_BOOST_ASIO],
57	[
58	AC_ARG_WITH([boost-asio],
59	AS_HELP_STRING([--with-boost-asio@<:@=special-lib@:>@],
60	[use the ASIO library from boost - it is possible to specify a certain library for the linker
61	e.g. --with-boost-asio=boost_system-gcc41-mt-1_34 ]),
62	[
63	if test "$withval" = "no"; then
64	want_boost="no"
65	elif test "$withval" = "yes"; then
66	want_boost="yes"
67	ax_boost_user_asio_lib=""
68	else
69	want_boost="yes"
70	ax_boost_user_asio_lib="$withval"
71	fi
72	],
73	[want_boost="yes"]
74	)
75
76	if test "x$want_boost" = "xyes"; then
77	AC_REQUIRE([AC_PROG_CC])
78	CPPFLAGS_SAVED="$CPPFLAGS"
79	CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
80	export CPPFLAGS
81
82	LDFLAGS_SAVED="$LDFLAGS"
83	LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
84	export LDFLAGS
85
86	AC_CACHE_CHECK(whether the Boost::ASIO library is available,
87	ax_cv_boost_asio,
88	[AC_LANG_PUSH([C++])
89	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ @%:@include <boost/asio.hpp>
90	]],
91	[[
92
93	boost::asio::io_service io;
94	boost::system::error_code timer_result;
95	boost::asio::deadline_timer t(io);
96	t.cancel();
97	io.run_one();
98	return 0;
99	]])],
100	ax_cv_boost_asio=yes, ax_cv_boost_asio=no)
101	AC_LANG_POP([C++])
102	])
103	if test "x$ax_cv_boost_asio" = "xyes"; then
104	AC_DEFINE(HAVE_BOOST_ASIO,,[define if the Boost::ASIO library is available])
105	BN=boost_system
106	if test "x$ax_boost_user_asio_lib" = "x"; then
107	for ax_lib in $BN $BN-$CC $BN-$CC-mt $BN-$CC-mt-s $BN-$CC-s \
108	lib$BN lib$BN-$CC lib$BN-$CC-mt lib$BN-$CC-mt-s lib$BN-$CC-s \
109	$BN-mgw $BN-mgw $BN-mgw-mt $BN-mgw-mt-s $BN-mgw-s ; do
110	AC_CHECK_LIB($ax_lib, main, [BOOST_ASIO_LIB="-l$ax_lib" AC_SUBST(BOOST_ASIO_LIB) link_thread="yes" break],
111	[link_thread="no"])
112	done
113	else
114	for ax_lib in $ax_boost_user_asio_lib $BN-$ax_boost_user_asio_lib; do
115	AC_CHECK_LIB($ax_lib, main,
116	[BOOST_ASIO_LIB="-l$ax_lib" AC_SUBST(BOOST_ASIO_LIB) link_asio="yes" break],
117	[link_asio="no"])
118	done
119
120	fi
121	if test "x$ax_lib" = "x"; then
122	AC_MSG_ERROR(Could not find a version of the library!)
123	fi
124	if test "x$link_asio" = "xno"; then
125	AC_MSG_ERROR(Could not link against $ax_lib !)
126	fi
127	fi
128
129	CPPFLAGS="$CPPFLAGS_SAVED"
130	LDFLAGS="$LDFLAGS_SAVED"
131	fi
132	])
133
134	# ===========================================================================
135	# http://www.gnu.org/software/autoconf-archive/ax_boost_base.html
136	# ===========================================================================
137	#
138	# SYNOPSIS
139	#
140	# AX_BOOST_BASE([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
141	#
142	# DESCRIPTION
143	#
144	# Test for the Boost C++ libraries of a particular version (or newer)
145	#
146	# If no path to the installed boost library is given the macro searchs
147	# under /usr, /usr/local, /opt and /opt/local and evaluates the
148	# $BOOST_ROOT environment variable. Further documentation is available at
149	# <http://randspringer.de/boost/index.html>.
150	#
151	# This macro calls:
152	#
153	# AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS)
154	#
155	# And sets:
156	#
157	# HAVE_BOOST
158	#
159	# LICENSE
160	#
161	# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
162	# Copyright (c) 2009 Peter Adolphs
163	#
164	# Copying and distribution of this file, with or without modification, are
165	# permitted in any medium without royalty provided the copyright notice
166	# and this notice are preserved. This file is offered as-is, without any
167	# warranty.
168
169	#serial 20
170
171	AC_DEFUN([AX_BOOST_BASE],
172	[
173	AC_ARG_WITH([boost],
174	[AS_HELP_STRING([--with-boost@<:@=ARG@:>@],
175	[use Boost library from a standard location (ARG=yes),
176	from the specified location (ARG=<path>),
177	or disable it (ARG=no)
178	@<:@ARG=yes@:>@ ])],
179	[
180	if test "$withval" = "no"; then
181	want_boost="no"
182	elif test "$withval" = "yes"; then
183	want_boost="yes"
184	ac_boost_path=""
185	else
186	want_boost="yes"
187	ac_boost_path="$withval"
188	fi
189	],
190	[want_boost="yes"])
191
192
193	AC_ARG_WITH([boost-libdir],
194	AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
195	[Force given directory for boost libraries. Note that this will override library path detection, so use this parameter only if default library detection fails and you know exactly where your boost libraries are located.]),
196	[
197	if test -d "$withval"
198	then
199	ac_boost_lib_path="$withval"
200	else
201	AC_MSG_ERROR(--with-boost-libdir expected directory name)
202	fi
203	],
204	[ac_boost_lib_path=""]
205	)
206
207	if test "x$want_boost" = "xyes"; then
208	boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
209	boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]\.[[0-9]]\)'`
210	boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
211	boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]\.\([[0-9]]\)'`
212	boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]\.[[0-9]]\.\([[0-9]]*\)'`
213	if test "x$boost_lib_version_req_sub_minor" = "x" ; then
214	boost_lib_version_req_sub_minor="0"
215	fi
216	WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor`
217	AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
218	succeeded=no
219
220	dnl On 64-bit systems check for system libraries in both lib64 and lib.
221	dnl The former is specified by FHS, but e.g. Debian does not adhere to
222	dnl this (as it rises problems for generic multi-arch support).
223	dnl The last entry in the list is chosen by default when no libraries
224	dnl are found, e.g. when only header-only libraries are installed!
225	libsubdirs="lib"
226	ax_arch=`uname -m`
227	if test $ax_arch = x86_64 -o $ax_arch = ppc64 -o $ax_arch = s390x -o $ax_arch = sparc64; then
228	libsubdirs="lib64 lib lib64"
229	fi
230
231	dnl first we check the system location for boost libraries
232	dnl this location ist chosen if boost libraries are installed with the --layout=system option
233	dnl or if you install boost with RPM
234	if test "$ac_boost_path" != ""; then
235	BOOST_CPPFLAGS="-I$ac_boost_path/include"
236	for ac_boost_path_tmp in $libsubdirs; do
237	if test -d "$ac_boost_path"/"$ac_boost_path_tmp" ; then
238	BOOST_LDFLAGS="-L$ac_boost_path/$ac_boost_path_tmp"
239	break
240	fi
241	done
242	elif test "$cross_compiling" != yes; then
243	for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
244	if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
245	for libsubdir in $libsubdirs ; do
246	if ls "$ac_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
247	done
248	BOOST_LDFLAGS="-L$ac_boost_path_tmp/$libsubdir"
249	BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
250	break;
251	fi
252	done
253	fi
254
255	dnl overwrite ld flags if we have required special directory with
256	dnl --with-boost-libdir parameter
257	if test "$ac_boost_lib_path" != ""; then
258	BOOST_LDFLAGS="-L$ac_boost_lib_path"
259	fi
260
261	CPPFLAGS_SAVED="$CPPFLAGS"
262	CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
263	export CPPFLAGS
264
265	LDFLAGS_SAVED="$LDFLAGS"
266	LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
267	export LDFLAGS
268
269	AC_REQUIRE([AC_PROG_CXX])
270	AC_LANG_PUSH(C++)
271	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
272	@%:@include <boost/version.hpp>
273	]], [[
274	#if BOOST_VERSION >= $WANT_BOOST_VERSION
275	// Everything is okay
276	#else
277	# error Boost version is too old
278	#endif
279	]])],[
280	AC_MSG_RESULT(yes)
281	succeeded=yes
282	found_system=yes
283	],[
284	])
285	AC_LANG_POP([C++])
286
287
288
289	dnl if we found no boost with system layout we search for boost libraries
290	dnl built and installed without the --layout=system option or for a staged(not installed) version
291	if test "x$succeeded" != "xyes"; then
292	_version=0
293	if test "$ac_boost_path" != ""; then
294	if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
295	for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
296	_version_tmp=`echo $i \| sed "s#$ac_boost_path##" \| sed 's/\/include\/boost-//' \| sed 's/_/./'`
297	V_CHECK=`expr $_version_tmp \> $_version`
298	if test "$V_CHECK" = "1" ; then
299	_version=$_version_tmp
300	fi
301	VERSION_UNDERSCORE=`echo $_version \| sed 's/\./_/'`
302	BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
303	done
304	fi
305	else
306	if test "$cross_compiling" != yes; then
307	for ac_boost_path in /usr /usr/local /opt /opt/local ; do
308	if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
309	for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
310	_version_tmp=`echo $i \| sed "s#$ac_boost_path##" \| sed 's/\/include\/boost-//' \| sed 's/_/./'`
311	V_CHECK=`expr $_version_tmp \> $_version`
312	if test "$V_CHECK" = "1" ; then
313	_version=$_version_tmp
314	best_path=$ac_boost_path
315	fi
316	done
317	fi
318	done
319
320	VERSION_UNDERSCORE=`echo $_version \| sed 's/\./_/'`
321	BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
322	if test "$ac_boost_lib_path" = ""; then
323	for libsubdir in $libsubdirs ; do
324	if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
325	done
326	BOOST_LDFLAGS="-L$best_path/$libsubdir"
327	fi
328	fi
329
330	if test "x$BOOST_ROOT" != "x"; then
331	for libsubdir in $libsubdirs ; do
332	if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
333	done
334	if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" && test -r "$BOOST_ROOT/stage/$libsubdir"; then
335	version_dir=`expr //$BOOST_ROOT : './\(.\)'`
336	stage_version=`echo $version_dir \| sed 's/boost_//' \| sed 's/_/./g'`
337	stage_version_shorten=`expr $stage_version : '\([[0-9]]\.[[0-9]]\)'`
338	V_CHECK=`expr $stage_version_shorten \>\= $_version`
339	if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then
340	AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
341	BOOST_CPPFLAGS="-I$BOOST_ROOT"
342	BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir"
343	fi
344	fi
345	fi
346	fi
347
348	CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
349	export CPPFLAGS
350	LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
351	export LDFLAGS
352
353	AC_LANG_PUSH(C++)
354	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
355	@%:@include <boost/version.hpp>
356	]], [[
357	#if BOOST_VERSION >= $WANT_BOOST_VERSION
358	// Everything is okay
359	#else
360	# error Boost version is too old
361	#endif
362	]])],[
363	AC_MSG_RESULT(yes)
364	succeeded=yes
365	found_system=yes
366	],[
367	])
368	AC_LANG_POP([C++])
369	fi
370
371	if test "$succeeded" != "yes" ; then
372	if test "$_version" = "0" ; then
373	AC_MSG_NOTICE([[We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]])
374	else
375	AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
376	fi
377	# execute ACTION-IF-NOT-FOUND (if present):
378	ifelse([$3], , :, [$3])
379	else
380	AC_SUBST(BOOST_CPPFLAGS)
381	AC_SUBST(BOOST_LDFLAGS)
382	AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
383	# execute ACTION-IF-FOUND (if present):
384	ifelse([$2], , :, [$2])
385	fi
386
387	CPPFLAGS="$CPPFLAGS_SAVED"
388	LDFLAGS="$LDFLAGS_SAVED"
389	fi
390
391	])
392
393	# ===========================================================================
394	# http://www.gnu.org/software/autoconf-archive/ax_boost_date_time.html
395	# ===========================================================================
396	#
397	# SYNOPSIS
398	#
399	# AX_BOOST_DATE_TIME
400	#
401	# DESCRIPTION
402	#
403	# Test for Date_Time library from the Boost C++ libraries. The macro
404	# requires a preceding call to AX_BOOST_BASE. Further documentation is
405	# available at <http://randspringer.de/boost/index.html>.
406	#
407	# This macro calls:
408	#
409	# AC_SUBST(BOOST_DATE_TIME_LIB)
410	#
411	# And sets:
412	#
413	# HAVE_BOOST_DATE_TIME
414	#
415	# LICENSE
416	#
417	# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
418	# Copyright (c) 2008 Michael Tindal
419	#
420	# Copying and distribution of this file, with or without modification, are
421	# permitted in any medium without royalty provided the copyright notice
422	# and this notice are preserved. This file is offered as-is, without any
423	# warranty.
424
425	#serial 19
426
427	AC_DEFUN([AX_BOOST_DATE_TIME],
428	[
429	AC_ARG_WITH([boost-date-time],
430	AS_HELP_STRING([--with-boost-date-time@<:@=special-lib@:>@],
431	[use the Date_Time library from boost - it is possible to specify a certain library for the linker
432	e.g. --with-boost-date-time=boost_date_time-gcc-mt-d-1_33_1 ]),
433	[
434	if test "$withval" = "no"; then
435	want_boost="no"
436	elif test "$withval" = "yes"; then
437	want_boost="yes"
438	ax_boost_user_date_time_lib=""
439	else
440	want_boost="yes"
441	ax_boost_user_date_time_lib="$withval"
442	fi
443	],
444	[want_boost="yes"]
445	)
446
447	if test "x$want_boost" = "xyes"; then
448	AC_REQUIRE([AC_PROG_CC])
449	CPPFLAGS_SAVED="$CPPFLAGS"
450	CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
451	export CPPFLAGS
452
453	LDFLAGS_SAVED="$LDFLAGS"
454	LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
455	export LDFLAGS
456
457	AC_CACHE_CHECK(whether the Boost::Date_Time library is available,
458	ax_cv_boost_date_time,
459	[AC_LANG_PUSH([C++])
460	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/date_time/gregorian/gregorian_types.hpp>]],
461	[[using namespace boost::gregorian; date d(2002,Jan,10);
462	return 0;
463	]])],
464	ax_cv_boost_date_time=yes, ax_cv_boost_date_time=no)
465	AC_LANG_POP([C++])
466	])
467	if test "x$ax_cv_boost_date_time" = "xyes"; then
468	AC_DEFINE(HAVE_BOOST_DATE_TIME,,[define if the Boost::Date_Time library is available])
469	BOOSTLIBDIR=`echo $BOOST_LDFLAGS \| sed -e 's/@<:@^\/@:>@*//'`
470	if test "x$ax_boost_user_date_time_lib" = "x"; then
471	for libextension in `ls $BOOSTLIBDIR/libboost_date_time.so $BOOSTLIBDIR/libboost_date_time.a 2>/dev/null \| sed 's,./,,' \| sed -e 's;^lib\(boost_date_time.\)\.so.$;\1;' -e 's;^lib\(boost_date_time.\)\.a*$;\1;'` ; do
472	ax_lib=${libextension}
473	AC_CHECK_LIB($ax_lib, exit,
474	[BOOST_DATE_TIME_LIB="-l$ax_lib"; AC_SUBST(BOOST_DATE_TIME_LIB) link_date_time="yes"; break],
475	[link_date_time="no"])
476	done
477	if test "x$link_date_time" != "xyes"; then
478	for libextension in `ls $BOOSTLIBDIR/boost_date_time.{dll,a} 2>/dev/null \| sed 's,./,,' \| sed -e 's;^\(boost_date_time.\)\.dll.$;\1;' -e 's;^\(boost_date_time.\)\.a*$;\1;'` ; do
479	ax_lib=${libextension}
480	AC_CHECK_LIB($ax_lib, exit,
481	[BOOST_DATE_TIME_LIB="-l$ax_lib"; AC_SUBST(BOOST_DATE_TIME_LIB) link_date_time="yes"; break],
482	[link_date_time="no"])
483	done
484	fi
485
486	else
487	for ax_lib in $ax_boost_user_date_time_lib boost_date_time-$ax_boost_user_date_time_lib; do
488	AC_CHECK_LIB($ax_lib, main,
489	[BOOST_DATE_TIME_LIB="-l$ax_lib"; AC_SUBST(BOOST_DATE_TIME_LIB) link_date_time="yes"; break],
490	[link_date_time="no"])
491	done
492
493	fi
494	if test "x$ax_lib" = "x"; then
495	AC_MSG_ERROR(Could not find a version of the library!)
496	fi
497	if test "x$link_date_time" != "xyes"; then
498	AC_MSG_ERROR(Could not link against $ax_lib !)
499	fi
500	fi
501
502	CPPFLAGS="$CPPFLAGS_SAVED"
503	LDFLAGS="$LDFLAGS_SAVED"
504	fi
505	])
506
507	# ===========================================================================
508	# http://www.gnu.org/software/autoconf-archive/ax_boost_filesystem.html
509	# ===========================================================================
510	#
511	# SYNOPSIS
512	#
513	# AX_BOOST_FILESYSTEM
514	#
515	# DESCRIPTION
516	#
517	# Test for Filesystem library from the Boost C++ libraries. The macro
518	# requires a preceding call to AX_BOOST_BASE. Further documentation is
519	# available at <http://randspringer.de/boost/index.html>.
520	#
521	# This macro calls:
522	#
523	# AC_SUBST(BOOST_FILESYSTEM_LIB)
524	#
525	# And sets:
526	#
527	# HAVE_BOOST_FILESYSTEM
528	#
529	# LICENSE
530	#
531	# Copyright (c) 2009 Thomas Porschberg <thomas@randspringer.de>
532	# Copyright (c) 2009 Michael Tindal
533	# Copyright (c) 2009 Roman Rybalko <libtorrent@romanr.info>
534	#
535	# Copying and distribution of this file, with or without modification, are
536	# permitted in any medium without royalty provided the copyright notice
537	# and this notice are preserved. This file is offered as-is, without any
538	# warranty.
539
540	#serial 22
541
542	AC_DEFUN([AX_BOOST_FILESYSTEM],
543	[
544	AC_ARG_WITH([boost-filesystem],
545	AS_HELP_STRING([--with-boost-filesystem@<:@=special-lib@:>@],
546	[use the Filesystem library from boost - it is possible to specify a certain library for the linker
547	e.g. --with-boost-filesystem=boost_filesystem-gcc-mt ]),
548	[
549	if test "$withval" = "no"; then
550	want_boost="no"
551	elif test "$withval" = "yes"; then
552	want_boost="yes"
553	ax_boost_user_filesystem_lib=""
554	else
555	want_boost="yes"
556	ax_boost_user_filesystem_lib="$withval"
557	fi
558	],
559	[want_boost="yes"]
560	)
561
562	if test "x$want_boost" = "xyes"; then
563	AC_REQUIRE([AC_PROG_CC])
564	CPPFLAGS_SAVED="$CPPFLAGS"
565	CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
566	export CPPFLAGS
567
568	LDFLAGS_SAVED="$LDFLAGS"
569	LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
570	export LDFLAGS
571
572	LIBS_SAVED=$LIBS
573	LIBS="$LIBS $BOOST_SYSTEM_LIB"
574	export LIBS
575
576	AC_CACHE_CHECK(whether the Boost::Filesystem library is available,
577	ax_cv_boost_filesystem,
578	[AC_LANG_PUSH([C++])
579	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/filesystem/path.hpp>]],
580	[[using namespace boost::filesystem;
581	path my_path( "foo/bar/data.txt" );
582	return 0;]])],
583	ax_cv_boost_filesystem=yes, ax_cv_boost_filesystem=no)
584	AC_LANG_POP([C++])
585	])
586	if test "x$ax_cv_boost_filesystem" = "xyes"; then
587	AC_DEFINE(HAVE_BOOST_FILESYSTEM,,[define if the Boost::Filesystem library is available])
588	BOOSTLIBDIR=`echo $BOOST_LDFLAGS \| sed -e 's/@<:@^\/@:>@*//'`
589	if test "x$ax_boost_user_filesystem_lib" = "x"; then
590	for libextension in `ls $BOOSTLIBDIR/libboost_filesystem.so $BOOSTLIBDIR/libboost_filesystem.dylib $BOOSTLIBDIR/libboost_filesystem.a 2>/dev/null \| sed 's,./,,' \| sed -e 's;^lib\(boost_filesystem.\)\.so.$;\1;' -e 's;^lib\(boost_filesystem.\)\.a$;\1;' -e 's;^lib\(boost_filesystem.\)\.dylib$;\1;'` ; do
591	ax_lib=${libextension}
592	AC_CHECK_LIB($ax_lib, exit,
593	[BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break],
594	[link_filesystem="no"])
595	done
596	if test "x$link_filesystem" != "xyes"; then
597	for libextension in `ls $BOOSTLIBDIR/boost_filesystem.{dll,a} 2>/dev/null \| sed 's,./,,' \| sed -e 's;^\(boost_filesystem.\)\.dll.$;\1;' -e 's;^\(boost_filesystem.\)\.a*$;\1;'` ; do
598	ax_lib=${libextension}
599	AC_CHECK_LIB($ax_lib, exit,
600	[BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break],
601	[link_filesystem="no"])
602	done
603	fi
604	else
605	for ax_lib in $ax_boost_user_filesystem_lib boost_filesystem-$ax_boost_user_filesystem_lib; do
606	AC_CHECK_LIB($ax_lib, exit,
607	[BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break],
608	[link_filesystem="no"])
609	done
610
611	fi
612	if test "x$ax_lib" = "x"; then
613	AC_MSG_ERROR(Could not find a version of the library!)
614	fi
615	if test "x$link_filesystem" != "xyes"; then
616	AC_MSG_ERROR(Could not link against $ax_lib !)
617	fi
618	fi
619
620	CPPFLAGS="$CPPFLAGS_SAVED"
621	LDFLAGS="$LDFLAGS_SAVED"
622	LIBS="$LIBS_SAVED"
623	fi
624	])
625
626	# ============================================================================
627	# http://www.gnu.org/software/autoconf-archive/ax_boost_program_options.html
628	# ============================================================================
629	#
630	# SYNOPSIS
631	#
632	# AX_BOOST_PROGRAM_OPTIONS
633	#
634	# DESCRIPTION
635	#
636	# Test for program options library from the Boost C++ libraries. The macro
637	# requires a preceding call to AX_BOOST_BASE. Further documentation is
638	# available at <http://randspringer.de/boost/index.html>.
639	#
640	# This macro calls:
641	#
642	# AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB)
643	#
644	# And sets:
645	#
646	# HAVE_BOOST_PROGRAM_OPTIONS
647	#
648	# LICENSE
649	#
650	# Copyright (c) 2009 Thomas Porschberg <thomas@randspringer.de>
651	#
652	# Copying and distribution of this file, with or without modification, are
653	# permitted in any medium without royalty provided the copyright notice
654	# and this notice are preserved. This file is offered as-is, without any
655	# warranty.
656
657	#serial 20
658
659	AC_DEFUN([AX_BOOST_PROGRAM_OPTIONS],
660	[
661	AC_ARG_WITH([boost-program-options],
662	AS_HELP_STRING([--with-boost-program-options@<:@=special-lib@:>@],
663	[use the program options library from boost - it is possible to specify a certain library for the linker
664	e.g. --with-boost-program-options=boost_program_options-gcc-mt-1_33_1 ]),
665	[
666	if test "$withval" = "no"; then
667	want_boost="no"
668	elif test "$withval" = "yes"; then
669	want_boost="yes"
670	ax_boost_user_program_options_lib=""
671	else
672	want_boost="yes"
673	ax_boost_user_program_options_lib="$withval"
674	fi
675	],
676	[want_boost="yes"]
677	)
678
679	if test "x$want_boost" = "xyes"; then
680	AC_REQUIRE([AC_PROG_CC])
681	export want_boost
682	CPPFLAGS_SAVED="$CPPFLAGS"
683	CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
684	export CPPFLAGS
685	LDFLAGS_SAVED="$LDFLAGS"
686	LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
687	export LDFLAGS
688	AC_CACHE_CHECK([whether the Boost::Program_Options library is available],
689	ax_cv_boost_program_options,
690	[AC_LANG_PUSH(C++)
691	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/program_options.hpp>
692	]],
693	[[boost::program_options::options_description generic("Generic options");
694	return 0;]])],
695	ax_cv_boost_program_options=yes, ax_cv_boost_program_options=no)
696	AC_LANG_POP([C++])
697	])
698	if test "$ax_cv_boost_program_options" = yes; then
699	AC_DEFINE(HAVE_BOOST_PROGRAM_OPTIONS,,[define if the Boost::PROGRAM_OPTIONS library is available])
700	BOOSTLIBDIR=`echo $BOOST_LDFLAGS \| sed -e 's/@<:@^\/@:>@*//'`
701	if test "x$ax_boost_user_program_options_lib" = "x"; then
702	for libextension in `ls $BOOSTLIBDIR/libboost_program_options.so 2>/dev/null \| sed 's,./,,' \| sed -e 's;^lib\(boost_program_options.\)\.so.$;\1;'` `ls $BOOSTLIBDIR/libboost_program_options.a* 2>/dev/null \| sed 's,./,,' \| sed -e 's;^lib\(boost_program_options.\)\.a*$;\1;'` ; do
703	ax_lib=${libextension}
704	AC_CHECK_LIB($ax_lib, exit,
705	[BOOST_PROGRAM_OPTIONS_LIB="-l$ax_lib"; AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB) link_program_options="yes"; break],
706	[link_program_options="no"])
707	done
708	if test "x$link_program_options" != "xyes"; then
709	for libextension in `ls $BOOSTLIBDIR/boost_program_options.dll 2>/dev/null \| sed 's,./,,' \| sed -e 's;^\(boost_program_options.\)\.dll.$;\1;'` `ls $BOOSTLIBDIR/boost_program_options.a* 2>/dev/null \| sed 's,./,,' \| sed -e 's;^\(boost_program_options.\)\.a*$;\1;'` ; do
710	ax_lib=${libextension}
711	AC_CHECK_LIB($ax_lib, exit,
712	[BOOST_PROGRAM_OPTIONS_LIB="-l$ax_lib"; AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB) link_program_options="yes"; break],
713	[link_program_options="no"])
714	done
715	fi
716	else
717	for ax_lib in $ax_boost_user_program_options_lib boost_program_options-$ax_boost_user_program_options_lib; do
718	AC_CHECK_LIB($ax_lib, main,
719	[BOOST_PROGRAM_OPTIONS_LIB="-l$ax_lib"; AC_SUBST(BOOST_PROGRAM_OPTIONS_LIB) link_program_options="yes"; break],
720	[link_program_options="no"])
721	done
722	fi
723	if test "x$ax_lib" = "x"; then
724	AC_MSG_ERROR(Could not find a version of the library!)
725	fi
726	if test "x$link_program_options" != "xyes"; then
727	AC_MSG_ERROR([Could not link against [$ax_lib] !])
728	fi
729	fi
730	CPPFLAGS="$CPPFLAGS_SAVED"
731	LDFLAGS="$LDFLAGS_SAVED"
732	fi
733	])
734
735	# ===========================================================================
736	# http://www.gnu.org/software/autoconf-archive/ax_boost_regex.html
737	# ===========================================================================
738	#
739	# SYNOPSIS
740	#
741	# AX_BOOST_REGEX
742	#
743	# DESCRIPTION
744	#
745	# Test for Regex library from the Boost C++ libraries. The macro requires
746	# a preceding call to AX_BOOST_BASE. Further documentation is available at
747	# <http://randspringer.de/boost/index.html>.
748	#
749	# This macro calls:
750	#
751	# AC_SUBST(BOOST_REGEX_LIB)
752	#
753	# And sets:
754	#
755	# HAVE_BOOST_REGEX
756	#
757	# LICENSE
758	#
759	# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
760	# Copyright (c) 2008 Michael Tindal
761	#
762	# Copying and distribution of this file, with or without modification, are
763	# permitted in any medium without royalty provided the copyright notice
764	# and this notice are preserved. This file is offered as-is, without any
765	# warranty.
766
767	#serial 20
768
769	AC_DEFUN([AX_BOOST_REGEX],
770	[
771	AC_ARG_WITH([boost-regex],
772	AS_HELP_STRING([--with-boost-regex@<:@=special-lib@:>@],
773	[use the Regex library from boost - it is possible to specify a certain library for the linker
774	e.g. --with-boost-regex=boost_regex-gcc-mt-d-1_33_1 ]),
775	[
776	if test "$withval" = "no"; then
777	want_boost="no"
778	elif test "$withval" = "yes"; then
779	want_boost="yes"
780	ax_boost_user_regex_lib=""
781	else
782	want_boost="yes"
783	ax_boost_user_regex_lib="$withval"
784	fi
785	],
786	[want_boost="yes"]
787	)
788
789	if test "x$want_boost" = "xyes"; then
790	AC_REQUIRE([AC_PROG_CC])
791	CPPFLAGS_SAVED="$CPPFLAGS"
792	CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
793	export CPPFLAGS
794
795	LDFLAGS_SAVED="$LDFLAGS"
796	LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
797	export LDFLAGS
798
799	AC_CACHE_CHECK(whether the Boost::Regex library is available,
800	ax_cv_boost_regex,
801	[AC_LANG_PUSH([C++])
802	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/regex.hpp>
803	]],
804	[[boost::regex r(); return 0;]])],
805	ax_cv_boost_regex=yes, ax_cv_boost_regex=no)
806	AC_LANG_POP([C++])
807	])
808	if test "x$ax_cv_boost_regex" = "xyes"; then
809	AC_DEFINE(HAVE_BOOST_REGEX,,[define if the Boost::Regex library is available])
810	BOOSTLIBDIR=`echo $BOOST_LDFLAGS \| sed -e 's/@<:@^\/@:>@*//'`
811	if test "x$ax_boost_user_regex_lib" = "x"; then
812	for libextension in `ls $BOOSTLIBDIR/libboost_regex.so $BOOSTLIBDIR/libboost_regex.a 2>/dev/null \| sed 's,./,,' \| sed -e 's;^lib\(boost_regex.\)\.so.$;\1;' -e 's;^lib\(boost_regex.\)\.a*$;\1;'` ; do
813	ax_lib=${libextension}
814	AC_CHECK_LIB($ax_lib, exit,
815	[BOOST_REGEX_LIB="-l$ax_lib"; AC_SUBST(BOOST_REGEX_LIB) link_regex="yes"; break],
816	[link_regex="no"])
817	done
818	if test "x$link_regex" != "xyes"; then
819	for libextension in `ls $BOOSTLIBDIR/boost_regex.{dll,a} 2>/dev/null \| sed 's,./,,' \| sed -e 's;^\(boost_regex.\)\.dll.$;\1;' -e 's;^\(boost_regex.\)\.a*$;\1;'` ; do
820	ax_lib=${libextension}
821	AC_CHECK_LIB($ax_lib, exit,
822	[BOOST_REGEX_LIB="-l$ax_lib"; AC_SUBST(BOOST_REGEX_LIB) link_regex="yes"; break],
823	[link_regex="no"])
824	done
825	fi
826
827	else
828	for ax_lib in $ax_boost_user_regex_lib boost_regex-$ax_boost_user_regex_lib; do
829	AC_CHECK_LIB($ax_lib, main,
830	[BOOST_REGEX_LIB="-l$ax_lib"; AC_SUBST(BOOST_REGEX_LIB) link_regex="yes"; break],
831	[link_regex="no"])
832	done
833	fi
834	if test "x$ax_lib" = "x"; then
835	AC_MSG_ERROR(Could not find a version of the Boost::Regex library!)
836	fi
837	if test "x$link_regex" != "xyes"; then
838	AC_MSG_ERROR(Could not link against $ax_lib !)
839	fi
840	fi
841
842	CPPFLAGS="$CPPFLAGS_SAVED"
843	LDFLAGS="$LDFLAGS_SAVED"
844	fi
845	])
846
847	# ===========================================================================
848	# http://www.gnu.org/software/autoconf-archive/ax_boost_system.html
849	# ===========================================================================
850	#
851	# SYNOPSIS
852	#
853	# AX_BOOST_SYSTEM
854	#
855	# DESCRIPTION
856	#
857	# Test for System library from the Boost C++ libraries. The macro requires
858	# a preceding call to AX_BOOST_BASE. Further documentation is available at
859	# <http://randspringer.de/boost/index.html>.
860	#
861	# This macro calls:
862	#
863	# AC_SUBST(BOOST_SYSTEM_LIB)
864	#
865	# And sets:
866	#
867	# HAVE_BOOST_SYSTEM
868	#
869	# LICENSE
870	#
871	# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
872	# Copyright (c) 2008 Michael Tindal
873	# Copyright (c) 2008 Daniel Casimiro <dan.casimiro@gmail.com>
874	#
875	# Copying and distribution of this file, with or without modification, are
876	# permitted in any medium without royalty provided the copyright notice
877	# and this notice are preserved. This file is offered as-is, without any
878	# warranty.
879
880	#serial 14
881
882	AC_DEFUN([AX_BOOST_SYSTEM],
883	[
884	AC_ARG_WITH([boost-system],
885	AS_HELP_STRING([--with-boost-system@<:@=special-lib@:>@],
886	[use the System library from boost - it is possible to specify a certain library for the linker
887	e.g. --with-boost-system=boost_system-gcc-mt ]),
888	[
889	if test "$withval" = "no"; then
890	want_boost="no"
891	elif test "$withval" = "yes"; then
892	want_boost="yes"
893	ax_boost_user_system_lib=""
894	else
895	want_boost="yes"
896	ax_boost_user_system_lib="$withval"
897	fi
898	],
899	[want_boost="yes"]
900	)
901
902	if test "x$want_boost" = "xyes"; then
903	AC_REQUIRE([AC_PROG_CC])
904	AC_REQUIRE([AC_CANONICAL_BUILD])
905	CPPFLAGS_SAVED="$CPPFLAGS"
906	CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
907	export CPPFLAGS
908
909	LDFLAGS_SAVED="$LDFLAGS"
910	LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
911	export LDFLAGS
912
913	AC_CACHE_CHECK(whether the Boost::System library is available,
914	ax_cv_boost_system,
915	[AC_LANG_PUSH([C++])
916	CXXFLAGS_SAVE=$CXXFLAGS
917
918	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/system/error_code.hpp>]],
919	[[boost::system::system_category]])],
920	ax_cv_boost_system=yes, ax_cv_boost_system=no)
921	CXXFLAGS=$CXXFLAGS_SAVE
922	AC_LANG_POP([C++])
923	])
924	if test "x$ax_cv_boost_system" = "xyes"; then
925	AC_SUBST(BOOST_CPPFLAGS)
926
927	AC_DEFINE(HAVE_BOOST_SYSTEM,,[define if the Boost::System library is available])
928	BOOSTLIBDIR=`echo $BOOST_LDFLAGS \| sed -e 's/@<:@^\/@:>@*//'`
929
930	LDFLAGS_SAVE=$LDFLAGS
931	if test "x$ax_boost_user_system_lib" = "x"; then
932	for libextension in `ls $BOOSTLIBDIR/libboost_system.so $BOOSTLIBDIR/libboost_system.a 2>/dev/null \| sed 's,./,,' \| sed -e 's;^lib\(boost_system.\)\.so.$;\1;' -e 's;^lib\(boost_system.\)\.a*$;\1;'` ; do
933	ax_lib=${libextension}
934	AC_CHECK_LIB($ax_lib, exit,
935	[BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
936	[link_system="no"])
937	done
938	if test "x$link_system" != "xyes"; then
939	for libextension in `ls $BOOSTLIBDIR/boost_system.{dll,a} 2>/dev/null \| sed 's,./,,' \| sed -e 's;^\(boost_system.\)\.dll.$;\1;' -e 's;^\(boost_system.\)\.a*$;\1;'` ; do
940	ax_lib=${libextension}
941	AC_CHECK_LIB($ax_lib, exit,
942	[BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
943	[link_system="no"])
944	done
945	fi
946
947	else
948	for ax_lib in $ax_boost_user_system_lib boost_system-$ax_boost_user_system_lib; do
949	AC_CHECK_LIB($ax_lib, exit,
950	[BOOST_SYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_SYSTEM_LIB) link_system="yes"; break],
951	[link_system="no"])
952	done
953
954	fi
955	if test "x$ax_lib" = "x"; then
956	AC_MSG_ERROR(Could not find a version of the library!)
957	fi
958	if test "x$link_system" = "xno"; then
959	AC_MSG_ERROR(Could not link against $ax_lib !)
960	fi
961	fi
962
963	CPPFLAGS="$CPPFLAGS_SAVED"
964	LDFLAGS="$LDFLAGS_SAVED"
965	fi
966	])
967
968	# ===========================================================================
969	# http://www.gnu.org/software/autoconf-archive/ax_boost_thread.html
970	# ===========================================================================
971	#
972	# SYNOPSIS
973	#
974	# AX_BOOST_THREAD
975	#
976	# DESCRIPTION
977	#
978	# Test for Thread library from the Boost C++ libraries. The macro requires
979	# a preceding call to AX_BOOST_BASE. Further documentation is available at
980	# <http://randspringer.de/boost/index.html>.
981	#
982	# This macro calls:
983	#
984	# AC_SUBST(BOOST_THREAD_LIB)
985	#
986	# And sets:
987	#
988	# HAVE_BOOST_THREAD
989	#
990	# LICENSE
991	#
992	# Copyright (c) 2009 Thomas Porschberg <thomas@randspringer.de>
993	# Copyright (c) 2009 Michael Tindal
994	#
995	# Copying and distribution of this file, with or without modification, are
996	# permitted in any medium without royalty provided the copyright notice
997	# and this notice are preserved. This file is offered as-is, without any
998	# warranty.
999
1000	#serial 23
1001
1002	AC_DEFUN([AX_BOOST_THREAD],
1003	[
1004	AC_ARG_WITH([boost-thread],
1005	AS_HELP_STRING([--with-boost-thread@<:@=special-lib@:>@],
1006	[use the Thread library from boost - it is possible to specify a certain library for the linker
1007	e.g. --with-boost-thread=boost_thread-gcc-mt ]),
1008	[
1009	if test "$withval" = "no"; then
1010	want_boost="no"
1011	elif test "$withval" = "yes"; then
1012	want_boost="yes"
1013	ax_boost_user_thread_lib=""
1014	else
1015	want_boost="yes"
1016	ax_boost_user_thread_lib="$withval"
1017	fi
1018	],
1019	[want_boost="yes"]
1020	)
1021
1022	if test "x$want_boost" = "xyes"; then
1023	AC_REQUIRE([AC_PROG_CC])
1024	AC_REQUIRE([AC_CANONICAL_BUILD])
1025	CPPFLAGS_SAVED="$CPPFLAGS"
1026	CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
1027	export CPPFLAGS
1028
1029	LDFLAGS_SAVED="$LDFLAGS"
1030	LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
1031	export LDFLAGS
1032
1033	AC_CACHE_CHECK(whether the Boost::Thread library is available,
1034	ax_cv_boost_thread,
1035	[AC_LANG_PUSH([C++])
1036	CXXFLAGS_SAVE=$CXXFLAGS
1037
1038	if test "x$host_os" = "xsolaris" ; then
1039	CXXFLAGS="-pthreads $CXXFLAGS"
1040	elif test "x$host_os" = "xmingw32" ; then
1041	CXXFLAGS="-mthreads $CXXFLAGS"
1042	else
1043	CXXFLAGS="-pthread $CXXFLAGS"
1044	fi
1045	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/thread/thread.hpp>]],
1046	[[boost::thread_group thrds;
1047	return 0;]])],
1048	ax_cv_boost_thread=yes, ax_cv_boost_thread=no)
1049	CXXFLAGS=$CXXFLAGS_SAVE
1050	AC_LANG_POP([C++])
1051	])
1052	if test "x$ax_cv_boost_thread" = "xyes"; then
1053	if test "x$host_os" = "xsolaris" ; then
1054	BOOST_CPPFLAGS="-pthreads $BOOST_CPPFLAGS"
1055	elif test "x$host_os" = "xmingw32" ; then
1056	BOOST_CPPFLAGS="-mthreads $BOOST_CPPFLAGS"
1057	else
1058	BOOST_CPPFLAGS="-pthread $BOOST_CPPFLAGS"
1059	fi
1060
1061	AC_SUBST(BOOST_CPPFLAGS)
1062
1063	AC_DEFINE(HAVE_BOOST_THREAD,,[define if the Boost::Thread library is available])
1064	BOOSTLIBDIR=`echo $BOOST_LDFLAGS \| sed -e 's/@<:@^\/@:>@*//'`
1065
1066	LDFLAGS_SAVE=$LDFLAGS
1067	case "x$host_os" in
1068	bsd )
1069	LDFLAGS="-pthread $LDFLAGS"
1070	break;
1071	;;
1072	esac
1073	if test "x$ax_boost_user_thread_lib" = "x"; then
1074	for libextension in `ls $BOOSTLIBDIR/libboost_thread.so 2>/dev/null \| sed 's,./,,' \| sed -e 's;^lib\(boost_thread.\)\.so.$;\1;'` `ls $BOOSTLIBDIR/libboost_thread.a* 2>/dev/null \| sed 's,./,,' \| sed -e 's;^lib\(boost_thread.\)\.a*$;\1;'`; do
1075	ax_lib=${libextension}
1076	AC_CHECK_LIB($ax_lib, exit,
1077	[BOOST_THREAD_LIB="-l$ax_lib"; AC_SUBST(BOOST_THREAD_LIB) link_thread="yes"; break],
1078	[link_thread="no"])
1079	done
1080	if test "x$link_thread" != "xyes"; then
1081	for libextension in `ls $BOOSTLIBDIR/boost_thread.dll 2>/dev/null \| sed 's,./,,' \| sed -e 's;^\(boost_thread.\)\.dll.$;\1;'` `ls $BOOSTLIBDIR/boost_thread.a* 2>/dev/null \| sed 's,./,,' \| sed -e 's;^\(boost_thread.\)\.a*$;\1;'` ; do
1082	ax_lib=${libextension}
1083	AC_CHECK_LIB($ax_lib, exit,
1084	[BOOST_THREAD_LIB="-l$ax_lib"; AC_SUBST(BOOST_THREAD_LIB) link_thread="yes"; break],
1085	[link_thread="no"])
1086	done
1087	fi
1088
1089	else
1090	for ax_lib in $ax_boost_user_thread_lib boost_thread-$ax_boost_user_thread_lib; do
1091	AC_CHECK_LIB($ax_lib, exit,
1092	[BOOST_THREAD_LIB="-l$ax_lib"; AC_SUBST(BOOST_THREAD_LIB) link_thread="yes"; break],
1093	[link_thread="no"])
1094	done
1095
1096	fi
1097	if test "x$ax_lib" = "x"; then
1098	AC_MSG_ERROR(Could not find a version of the library!)
1099	fi
1100	if test "x$link_thread" = "xno"; then
1101	AC_MSG_ERROR(Could not link against $ax_lib !)
1102	else
1103	case "x$host_os" in
1104	bsd )
1105	BOOST_LDFLAGS="-pthread $BOOST_LDFLAGS"
1106	break;
1107	;;
1108	esac
1109
1110	fi
1111	fi
1112
1113	CPPFLAGS="$CPPFLAGS_SAVED"
1114	LDFLAGS="$LDFLAGS_SAVED"
1115	fi
1116	])
1117
1118	# ===========================================================================
1119	# http://www.gnu.org/software/autoconf-archive/ax_prog_doxygen.html
1120	# ===========================================================================
1121	#
1122	# SYNOPSIS
1123	#
1124	# DX_INIT_DOXYGEN(PROJECT-NAME, DOXYFILE-PATH, [OUTPUT-DIR])
1125	# DX_DOXYGEN_FEATURE(ON\|OFF)
1126	# DX_DOT_FEATURE(ON\|OFF)
1127	# DX_HTML_FEATURE(ON\|OFF)
1128	# DX_CHM_FEATURE(ON\|OFF)
1129	# DX_CHI_FEATURE(ON\|OFF)
1130	# DX_MAN_FEATURE(ON\|OFF)
1131	# DX_RTF_FEATURE(ON\|OFF)
1132	# DX_XML_FEATURE(ON\|OFF)
1133	# DX_PDF_FEATURE(ON\|OFF)
1134	# DX_PS_FEATURE(ON\|OFF)
1135	#
1136	# DESCRIPTION
1137	#
1138	# The DX_*_FEATURE macros control the default setting for the given
1139	# Doxygen feature. Supported features are 'DOXYGEN' itself, 'DOT' for
1140	# generating graphics, 'HTML' for plain HTML, 'CHM' for compressed HTML
1141	# help (for MS users), 'CHI' for generating a seperate .chi file by the
1142	# .chm file, and 'MAN', 'RTF', 'XML', 'PDF' and 'PS' for the appropriate
1143	# output formats. The environment variable DOXYGEN_PAPER_SIZE may be
1144	# specified to override the default 'a4wide' paper size.
1145	#
1146	# By default, HTML, PDF and PS documentation is generated as this seems to
1147	# be the most popular and portable combination. MAN pages created by
1148	# Doxygen are usually problematic, though by picking an appropriate subset
1149	# and doing some massaging they might be better than nothing. CHM and RTF
1150	# are specific for MS (note that you can't generate both HTML and CHM at
1151	# the same time). The XML is rather useless unless you apply specialized
1152	# post-processing to it.
1153	#
1154	# The macros mainly control the default state of the feature. The use can
1155	# override the default by specifying --enable or --disable. The macros
1156	# ensure that contradictory flags are not given (e.g.,
1157	# --enable-doxygen-html and --enable-doxygen-chm,
1158	# --enable-doxygen-anything with --disable-doxygen, etc.) Finally, each
1159	# feature will be automatically disabled (with a warning) if the required
1160	# programs are missing.
1161	#
1162	# Once all the feature defaults have been specified, call DX_INIT_DOXYGEN
1163	# with the following parameters: a one-word name for the project for use
1164	# as a filename base etc., an optional configuration file name (the
1165	# default is 'Doxyfile', the same as Doxygen's default), and an optional
1166	# output directory name (the default is 'doxygen-doc').
1167	#
1168	# Automake Support
1169	#
1170	# The following is a template aminclude.am file for use with Automake.
1171	# Make targets and variables values are controlled by the various
1172	# DX_COND_* conditionals set by autoconf.
1173	#
1174	# The provided targets are:
1175	#
1176	# doxygen-doc: Generate all doxygen documentation.
1177	#
1178	# doxygen-run: Run doxygen, which will generate some of the
1179	# documentation (HTML, CHM, CHI, MAN, RTF, XML)
1180	# but will not do the post processing required
1181	# for the rest of it (PS, PDF, and some MAN).
1182	#
1183	# doxygen-man: Rename some doxygen generated man pages.
1184	#
1185	# doxygen-ps: Generate doxygen PostScript documentation.
1186	#
1187	# doxygen-pdf: Generate doxygen PDF documentation.
1188	#
1189	# Note that by default these are not integrated into the automake targets.
1190	# If doxygen is used to generate man pages, you can achieve this
1191	# integration by setting man3_MANS to the list of man pages generated and
1192	# then adding the dependency:
1193	#
1194	# $(man3_MANS): doxygen-doc
1195	#
1196	# This will cause make to run doxygen and generate all the documentation.
1197	#
1198	# The following variable is intended for use in Makefile.am:
1199	#
1200	# DX_CLEANFILES = everything to clean.
1201	#
1202	# Then add this variable to MOSTLYCLEANFILES.
1203	#
1204	# ----- begin aminclude.am -------------------------------------
1205	#
1206	# ## --------------------------------- ##
1207	# ## Format-independent Doxygen rules. ##
1208	# ## --------------------------------- ##
1209	#
1210	# if DX_COND_doc
1211	#
1212	# ## ------------------------------- ##
1213	# ## Rules specific for HTML output. ##
1214	# ## ------------------------------- ##
1215	#
1216	# if DX_COND_html
1217	#
1218	# DX_CLEAN_HTML = @DX_DOCDIR@/html
1219	#
1220	# endif DX_COND_html
1221	#
1222	# ## ------------------------------ ##
1223	# ## Rules specific for CHM output. ##
1224	# ## ------------------------------ ##
1225	#
1226	# if DX_COND_chm
1227	#
1228	# DX_CLEAN_CHM = @DX_DOCDIR@/chm
1229	#
1230	# if DX_COND_chi
1231	#
1232	# DX_CLEAN_CHI = @DX_DOCDIR@/@PACKAGE@.chi
1233	#
1234	# endif DX_COND_chi
1235	#
1236	# endif DX_COND_chm
1237	#
1238	# ## ------------------------------ ##
1239	# ## Rules specific for MAN output. ##
1240	# ## ------------------------------ ##
1241	#
1242	# if DX_COND_man
1243	#
1244	# DX_CLEAN_MAN = @DX_DOCDIR@/man
1245	#
1246	# endif DX_COND_man
1247	#
1248	# ## ------------------------------ ##
1249	# ## Rules specific for RTF output. ##
1250	# ## ------------------------------ ##
1251	#
1252	# if DX_COND_rtf
1253	#
1254	# DX_CLEAN_RTF = @DX_DOCDIR@/rtf
1255	#
1256	# endif DX_COND_rtf
1257	#
1258	# ## ------------------------------ ##
1259	# ## Rules specific for XML output. ##
1260	# ## ------------------------------ ##
1261	#
1262	# if DX_COND_xml
1263	#
1264	# DX_CLEAN_XML = @DX_DOCDIR@/xml
1265	#
1266	# endif DX_COND_xml
1267	#
1268	# ## ----------------------------- ##
1269	# ## Rules specific for PS output. ##
1270	# ## ----------------------------- ##
1271	#
1272	# if DX_COND_ps
1273	#
1274	# DX_CLEAN_PS = @DX_DOCDIR@/@PACKAGE@.ps
1275	#
1276	# DX_PS_GOAL = doxygen-ps
1277	#
1278	# doxygen-ps: @DX_DOCDIR@/@PACKAGE@.ps
1279	#
1280	# @DX_DOCDIR@/@PACKAGE@.ps: @DX_DOCDIR@/@PACKAGE@.tag
1281	# cd @DX_DOCDIR@/latex; \
1282	# rm -f .aux .toc .idx .ind .ilg .log *.out; \
1283	# $(DX_LATEX) refman.tex; \
1284	# $(MAKEINDEX_PATH) refman.idx; \
1285	# $(DX_LATEX) refman.tex; \
1286	# countdown=5; \
1287	# while $(DX_EGREP) 'Rerun (LaTeX\|to get cross-references right)' \
1288	# refman.log > /dev/null 2>&1 \
1289	# && test $$countdown -gt 0; do \
1290	# $(DX_LATEX) refman.tex; \
1291	# countdown=`expr $$countdown - 1`; \
1292	# done; \
1293	# $(DX_DVIPS) -o ../@PACKAGE@.ps refman.dvi
1294	#
1295	# endif DX_COND_ps
1296	#
1297	# ## ------------------------------ ##
1298	# ## Rules specific for PDF output. ##
1299	# ## ------------------------------ ##
1300	#
1301	# if DX_COND_pdf
1302	#
1303	# DX_CLEAN_PDF = @DX_DOCDIR@/@PACKAGE@.pdf
1304	#
1305	# DX_PDF_GOAL = doxygen-pdf
1306	#
1307	# doxygen-pdf: @DX_DOCDIR@/@PACKAGE@.pdf
1308	#
1309	# @DX_DOCDIR@/@PACKAGE@.pdf: @DX_DOCDIR@/@PACKAGE@.tag
1310	# cd @DX_DOCDIR@/latex; \
1311	# rm -f .aux .toc .idx .ind .ilg .log *.out; \
1312	# $(DX_PDFLATEX) refman.tex; \
1313	# $(DX_MAKEINDEX) refman.idx; \
1314	# $(DX_PDFLATEX) refman.tex; \
1315	# countdown=5; \
1316	# while $(DX_EGREP) 'Rerun (LaTeX\|to get cross-references right)' \
1317	# refman.log > /dev/null 2>&1 \
1318	# && test $$countdown -gt 0; do \
1319	# $(DX_PDFLATEX) refman.tex; \
1320	# countdown=`expr $$countdown - 1`; \
1321	# done; \
1322	# mv refman.pdf ../@PACKAGE@.pdf
1323	#
1324	# endif DX_COND_pdf
1325	#
1326	# ## ------------------------------------------------- ##
1327	# ## Rules specific for LaTeX (shared for PS and PDF). ##
1328	# ## ------------------------------------------------- ##
1329	#
1330	# if DX_COND_latex
1331	#
1332	# DX_CLEAN_LATEX = @DX_DOCDIR@/latex
1333	#
1334	# endif DX_COND_latex
1335	#
1336	# .PHONY: doxygen-run doxygen-doc $(DX_PS_GOAL) $(DX_PDF_GOAL)
1337	#
1338	# .INTERMEDIATE: doxygen-run $(DX_PS_GOAL) $(DX_PDF_GOAL)
1339	#
1340	# doxygen-run: @DX_DOCDIR@/@PACKAGE@.tag
1341	#
1342	# doxygen-doc: doxygen-run $(DX_PS_GOAL) $(DX_PDF_GOAL)
1343	#
1344	# @DX_DOCDIR@/@PACKAGE@.tag: $(DX_CONFIG) $(pkginclude_HEADERS)
1345	# rm -rf @DX_DOCDIR@
1346	# $(DX_ENV) $(DX_DOXYGEN) $(srcdir)/$(DX_CONFIG)
1347	#
1348	# DX_CLEANFILES = \
1349	# @DX_DOCDIR@/@PACKAGE@.tag \
1350	# -r \
1351	# $(DX_CLEAN_HTML) \
1352	# $(DX_CLEAN_CHM) \
1353	# $(DX_CLEAN_CHI) \
1354	# $(DX_CLEAN_MAN) \
1355	# $(DX_CLEAN_RTF) \
1356	# $(DX_CLEAN_XML) \
1357	# $(DX_CLEAN_PS) \
1358	# $(DX_CLEAN_PDF) \
1359	# $(DX_CLEAN_LATEX)
1360	#
1361	# endif DX_COND_doc
1362	#
1363	# ----- end aminclude.am ---------------------------------------
1364	#
1365	# LICENSE
1366	#
1367	# Copyright (c) 2009 Oren Ben-Kiki <oren@ben-kiki.org>
1368	#
1369	# Copying and distribution of this file, with or without modification, are
1370	# permitted in any medium without royalty provided the copyright notice
1371	# and this notice are preserved. This file is offered as-is, without any
1372	# warranty.
1373
1374	#serial 11
1375
1376
1377	DX_ENV=""
1378	AC_DEFUN([DX_FEATURE_doc], ON)
1379	AC_DEFUN([DX_FEATURE_dot], OFF)
1380	AC_DEFUN([DX_FEATURE_man], OFF)
1381	AC_DEFUN([DX_FEATURE_html], ON)
1382	AC_DEFUN([DX_FEATURE_chm], OFF)
1383	AC_DEFUN([DX_FEATURE_chi], OFF)
1384	AC_DEFUN([DX_FEATURE_rtf], OFF)
1385	AC_DEFUN([DX_FEATURE_xml], OFF)
1386	AC_DEFUN([DX_FEATURE_pdf], ON)
1387	AC_DEFUN([DX_FEATURE_ps], ON)
1388
1389
1390	# DX_ENV_APPEND(VARIABLE, VALUE)
1391	# ------------------------------
1392	# Append VARIABLE="VALUE" to DX_ENV for invoking doxygen.
1393	AC_DEFUN([DX_ENV_APPEND], [AC_SUBST([DX_ENV], ["$DX_ENV $1='$2'"])])
1394
1395	# DX_DIRNAME_EXPR
1396	# ---------------
1397	# Expand into a shell expression prints the directory part of a path.
1398	AC_DEFUN([DX_DIRNAME_EXPR],
1399	[[expr ".$1" : '\(\.\)[^/]$' \\| "x$1" : 'x\(.\)/[^/]*$']])
1400
1401	# DX_IF_FEATURE(FEATURE, IF-ON, IF-OFF)
1402	# -------------------------------------
1403	# Expands according to the M4 (static) status of the feature.
1404	AC_DEFUN([DX_IF_FEATURE], [ifelse(DX_FEATURE_$1, ON, [$2], [$3])])
1405
1406	# DX_REQUIRE_PROG(VARIABLE, PROGRAM)
1407	# ----------------------------------
1408	# Require the specified program to be found for the DX_CURRENT_FEATURE to work.
1409	AC_DEFUN([DX_REQUIRE_PROG], [
1410	AC_PATH_TOOL([$1], [$2])
1411	if test "$DX_FLAG_[]DX_CURRENT_FEATURE$$1" = 1; then
1412	AC_MSG_WARN([$2 not found - will not DX_CURRENT_DESCRIPTION])
1413	AC_SUBST(DX_FLAG_[]DX_CURRENT_FEATURE, 0)
1414	fi
1415	])
1416
1417	# DX_TEST_FEATURE(FEATURE)
1418	# ------------------------
1419	# Expand to a shell expression testing whether the feature is active.
1420	AC_DEFUN([DX_TEST_FEATURE], [test "$DX_FLAG_$1" = 1])
1421
1422	# DX_CHECK_DEPEND(REQUIRED_FEATURE, REQUIRED_STATE)
1423	# -------------------------------------------------
1424	# Verify that a required features has the right state before trying to turn on
1425	# the DX_CURRENT_FEATURE.
1426	AC_DEFUN([DX_CHECK_DEPEND], [
1427	test "$DX_FLAG_$1" = "$2" \
1428	\|\| AC_MSG_ERROR([doxygen-DX_CURRENT_FEATURE ifelse([$2], 1,
1429	requires, contradicts) doxygen-DX_CURRENT_FEATURE])
1430	])
1431
1432	# DX_CLEAR_DEPEND(FEATURE, REQUIRED_FEATURE, REQUIRED_STATE)
1433	# ----------------------------------------------------------
1434	# Turn off the DX_CURRENT_FEATURE if the required feature is off.
1435	AC_DEFUN([DX_CLEAR_DEPEND], [
1436	test "$DX_FLAG_$1" = "$2" \|\| AC_SUBST(DX_FLAG_[]DX_CURRENT_FEATURE, 0)
1437	])
1438
1439	# DX_FEATURE_ARG(FEATURE, DESCRIPTION,
1440	# CHECK_DEPEND, CLEAR_DEPEND,
1441	# REQUIRE, DO-IF-ON, DO-IF-OFF)
1442	# --------------------------------------------
1443	# Parse the command-line option controlling a feature. CHECK_DEPEND is called
1444	# if the user explicitly turns the feature on (and invokes DX_CHECK_DEPEND),
1445	# otherwise CLEAR_DEPEND is called to turn off the default state if a required
1446	# feature is disabled (using DX_CLEAR_DEPEND). REQUIRE performs additional
1447	# requirement tests (DX_REQUIRE_PROG). Finally, an automake flag is set and
1448	# DO-IF-ON or DO-IF-OFF are called according to the final state of the feature.
1449	AC_DEFUN([DX_ARG_ABLE], [
1450	AC_DEFUN([DX_CURRENT_FEATURE], [$1])
1451	AC_DEFUN([DX_CURRENT_DESCRIPTION], [$2])
1452	AC_ARG_ENABLE(doxygen-$1,
1453	[AS_HELP_STRING(DX_IF_FEATURE([$1], [--disable-doxygen-$1],
1454	[--enable-doxygen-$1]),
1455	DX_IF_FEATURE([$1], [don't $2], [$2]))],
1456	[
1457	case "$enableval" in
1458	#(
1459	y\|Y\|yes\|Yes\|YES)
1460	AC_SUBST([DX_FLAG_$1], 1)
1461	$3
1462	;; #(
1463	n\|N\|no\|No\|NO)
1464	AC_SUBST([DX_FLAG_$1], 0)
1465	;; #(
1466	*)
1467	AC_MSG_ERROR([invalid value '$enableval' given to doxygen-$1])
1468	;;
1469	esac
1470	], [
1471	AC_SUBST([DX_FLAG_$1], [DX_IF_FEATURE([$1], 1, 0)])
1472	$4
1473	])
1474	if DX_TEST_FEATURE([$1]); then
1475	$5
1476	:
1477	fi
1478	if DX_TEST_FEATURE([$1]); then
1479	AM_CONDITIONAL(DX_COND_$1, :)
1480	$6
1481	:
1482	else
1483	AM_CONDITIONAL(DX_COND_$1, false)
1484	$7
1485	:
1486	fi
1487	])
1488
1489
1490	# DX_XXX_FEATURE(DEFAULT_STATE)
1491	# -----------------------------
1492	AC_DEFUN([DX_DOXYGEN_FEATURE], [AC_DEFUN([DX_FEATURE_doc], [$1])])
1493	AC_DEFUN([DX_DOT_FEATURE], [AC_DEFUN([DX_FEATURE_dot], [$1])])
1494	AC_DEFUN([DX_MAN_FEATURE], [AC_DEFUN([DX_FEATURE_man], [$1])])
1495	AC_DEFUN([DX_HTML_FEATURE], [AC_DEFUN([DX_FEATURE_html], [$1])])
1496	AC_DEFUN([DX_CHM_FEATURE], [AC_DEFUN([DX_FEATURE_chm], [$1])])
1497	AC_DEFUN([DX_CHI_FEATURE], [AC_DEFUN([DX_FEATURE_chi], [$1])])
1498	AC_DEFUN([DX_RTF_FEATURE], [AC_DEFUN([DX_FEATURE_rtf], [$1])])
1499	AC_DEFUN([DX_XML_FEATURE], [AC_DEFUN([DX_FEATURE_xml], [$1])])
1500	AC_DEFUN([DX_XML_FEATURE], [AC_DEFUN([DX_FEATURE_xml], [$1])])
1501	AC_DEFUN([DX_PDF_FEATURE], [AC_DEFUN([DX_FEATURE_pdf], [$1])])
1502	AC_DEFUN([DX_PS_FEATURE], [AC_DEFUN([DX_FEATURE_ps], [$1])])
1503
1504	# DX_INIT_DOXYGEN(PROJECT, [CONFIG-FILE], [OUTPUT-DOC-DIR])
1505	# ---------------------------------------------------------
1506	# PROJECT also serves as the base name for the documentation files.
1507	# The default CONFIG-FILE is "Doxyfile" and OUTPUT-DOC-DIR is "doxygen-doc".
1508	AC_DEFUN([DX_INIT_DOXYGEN], [
1509
1510	# Files:
1511	AC_SUBST([DX_PROJECT], [$1])
1512	AC_SUBST([DX_CONFIG], [ifelse([$2], [], Doxyfile, [$2])])
1513	AC_SUBST([DX_DOCDIR], [ifelse([$3], [], doxygen-doc, [$3])])
1514
1515	# Environment variables used inside doxygen.cfg:
1516	DX_ENV_APPEND(SRCDIR, $srcdir)
1517	DX_ENV_APPEND(PROJECT, $DX_PROJECT)
1518	DX_ENV_APPEND(DOCDIR, $DX_DOCDIR)
1519	DX_ENV_APPEND(VERSION, $PACKAGE_VERSION)
1520
1521	# Doxygen itself:
1522	DX_ARG_ABLE(doc, [generate any doxygen documentation],
1523	[],
1524	[],
1525	[DX_REQUIRE_PROG([DX_DOXYGEN], doxygen)
1526	DX_REQUIRE_PROG([DX_PERL], perl)],
1527	[DX_ENV_APPEND(PERL_PATH, $DX_PERL)])
1528
1529	# Dot for graphics:
1530	DX_ARG_ABLE(dot, [generate graphics for doxygen documentation],
1531	[DX_CHECK_DEPEND(doc, 1)],
1532	[DX_CLEAR_DEPEND(doc, 1)],
1533	[DX_REQUIRE_PROG([DX_DOT], dot)],
1534	[DX_ENV_APPEND(HAVE_DOT, YES)
1535	DX_ENV_APPEND(DOT_PATH, [`DX_DIRNAME_EXPR($DX_DOT)`])],
1536	[DX_ENV_APPEND(HAVE_DOT, NO)])
1537
1538	# Man pages generation:
1539	DX_ARG_ABLE(man, [generate doxygen manual pages],
1540	[DX_CHECK_DEPEND(doc, 1)],
1541	[DX_CLEAR_DEPEND(doc, 1)],
1542	[],
1543	[DX_ENV_APPEND(GENERATE_MAN, YES)],
1544	[DX_ENV_APPEND(GENERATE_MAN, NO)])
1545
1546	# RTF file generation:
1547	DX_ARG_ABLE(rtf, [generate doxygen RTF documentation],
1548	[DX_CHECK_DEPEND(doc, 1)],
1549	[DX_CLEAR_DEPEND(doc, 1)],
1550	[],
1551	[DX_ENV_APPEND(GENERATE_RTF, YES)],
1552	[DX_ENV_APPEND(GENERATE_RTF, NO)])
1553
1554	# XML file generation:
1555	DX_ARG_ABLE(xml, [generate doxygen XML documentation],
1556	[DX_CHECK_DEPEND(doc, 1)],
1557	[DX_CLEAR_DEPEND(doc, 1)],
1558	[],
1559	[DX_ENV_APPEND(GENERATE_XML, YES)],
1560	[DX_ENV_APPEND(GENERATE_XML, NO)])
1561
1562	# (Compressed) HTML help generation:
1563	DX_ARG_ABLE(chm, [generate doxygen compressed HTML help documentation],
1564	[DX_CHECK_DEPEND(doc, 1)],
1565	[DX_CLEAR_DEPEND(doc, 1)],
1566	[DX_REQUIRE_PROG([DX_HHC], hhc)],
1567	[DX_ENV_APPEND(HHC_PATH, $DX_HHC)
1568	DX_ENV_APPEND(GENERATE_HTML, YES)
1569	DX_ENV_APPEND(GENERATE_HTMLHELP, YES)],
1570	[DX_ENV_APPEND(GENERATE_HTMLHELP, NO)])
1571
1572	# Seperate CHI file generation.
1573	DX_ARG_ABLE(chi, [generate doxygen seperate compressed HTML help index file],
1574	[DX_CHECK_DEPEND(chm, 1)],
1575	[DX_CLEAR_DEPEND(chm, 1)],
1576	[],
1577	[DX_ENV_APPEND(GENERATE_CHI, YES)],
1578	[DX_ENV_APPEND(GENERATE_CHI, NO)])
1579
1580	# Plain HTML pages generation:
1581	DX_ARG_ABLE(html, [generate doxygen plain HTML documentation],
1582	[DX_CHECK_DEPEND(doc, 1) DX_CHECK_DEPEND(chm, 0)],
1583	[DX_CLEAR_DEPEND(doc, 1) DX_CLEAR_DEPEND(chm, 0)],
1584	[],
1585	[DX_ENV_APPEND(GENERATE_HTML, YES)],
1586	[DX_TEST_FEATURE(chm) \|\| DX_ENV_APPEND(GENERATE_HTML, NO)])
1587
1588	# PostScript file generation:
1589	DX_ARG_ABLE(ps, [generate doxygen PostScript documentation],
1590	[DX_CHECK_DEPEND(doc, 1)],
1591	[DX_CLEAR_DEPEND(doc, 1)],
1592	[DX_REQUIRE_PROG([DX_LATEX], latex)
1593	DX_REQUIRE_PROG([DX_MAKEINDEX], makeindex)
1594	DX_REQUIRE_PROG([DX_DVIPS], dvips)
1595	DX_REQUIRE_PROG([DX_EGREP], egrep)])
1596
1597	# PDF file generation:
1598	DX_ARG_ABLE(pdf, [generate doxygen PDF documentation],
1599	[DX_CHECK_DEPEND(doc, 1)],
1600	[DX_CLEAR_DEPEND(doc, 1)],
1601	[DX_REQUIRE_PROG([DX_PDFLATEX], pdflatex)
1602	DX_REQUIRE_PROG([DX_MAKEINDEX], makeindex)
1603	DX_REQUIRE_PROG([DX_EGREP], egrep)])
1604
1605	# LaTeX generation for PS and/or PDF:
1606	if DX_TEST_FEATURE(ps) \|\| DX_TEST_FEATURE(pdf); then
1607	AM_CONDITIONAL(DX_COND_latex, :)
1608	DX_ENV_APPEND(GENERATE_LATEX, YES)
1609	else
1610	AM_CONDITIONAL(DX_COND_latex, false)
1611	DX_ENV_APPEND(GENERATE_LATEX, NO)
1612	fi
1613
1614	# Paper size for PS and/or PDF:
1615	AC_ARG_VAR(DOXYGEN_PAPER_SIZE,
1616	[a4wide (default), a4, letter, legal or executive])
1617	case "$DOXYGEN_PAPER_SIZE" in
1618	#(
1619	"")
1620	AC_SUBST(DOXYGEN_PAPER_SIZE, "")
1621	;; #(
1622	a4wide\|a4\|letter\|legal\|executive)
1623	DX_ENV_APPEND(PAPER_SIZE, $DOXYGEN_PAPER_SIZE)
1624	;; #(
1625	*)
1626	AC_MSG_ERROR([unknown DOXYGEN_PAPER_SIZE='$DOXYGEN_PAPER_SIZE'])
1627	;;
1628	esac
1629
1630	#For debugging:
1631	#echo DX_FLAG_doc=$DX_FLAG_doc
1632	#echo DX_FLAG_dot=$DX_FLAG_dot
1633	#echo DX_FLAG_man=$DX_FLAG_man
1634	#echo DX_FLAG_html=$DX_FLAG_html
1635	#echo DX_FLAG_chm=$DX_FLAG_chm
1636	#echo DX_FLAG_chi=$DX_FLAG_chi
1637	#echo DX_FLAG_rtf=$DX_FLAG_rtf
1638	#echo DX_FLAG_xml=$DX_FLAG_xml
1639	#echo DX_FLAG_pdf=$DX_FLAG_pdf
1640	#echo DX_FLAG_ps=$DX_FLAG_ps
1641	#echo DX_ENV=$DX_ENV
1642	])
1643
1644	# ===========================================================================
1645	# http://www.gnu.org/software/autoconf-archive/ax_pthread.html
1646	# ===========================================================================
1647	#
1648	# SYNOPSIS
1649	#
1650	# AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
1651	#
1652	# DESCRIPTION
1653	#
1654	# This macro figures out how to build C programs using POSIX threads. It
1655	# sets the PTHREAD_LIBS output variable to the threads library and linker
1656	# flags, and the PTHREAD_CFLAGS output variable to any special C compiler
1657	# flags that are needed. (The user can also force certain compiler
1658	# flags/libs to be tested by setting these environment variables.)
1659	#
1660	# Also sets PTHREAD_CC to any special C compiler that is needed for
1661	# multi-threaded programs (defaults to the value of CC otherwise). (This
1662	# is necessary on AIX to use the special cc_r compiler alias.)
1663	#
1664	# NOTE: You are assumed to not only compile your program with these flags,
1665	# but also link it with them as well. e.g. you should link with
1666	# $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
1667	#
1668	# If you are only building threads programs, you may wish to use these
1669	# variables in your default LIBS, CFLAGS, and CC:
1670	#
1671	# LIBS="$PTHREAD_LIBS $LIBS"
1672	# CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
1673	# CC="$PTHREAD_CC"
1674	#
1675	# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
1676	# has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name
1677	# (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
1678	#
1679	# Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the
1680	# PTHREAD_PRIO_INHERIT symbol is defined when compiling with
1681	# PTHREAD_CFLAGS.
1682	#
1683	# ACTION-IF-FOUND is a list of shell commands to run if a threads library
1684	# is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it
1685	# is not found. If ACTION-IF-FOUND is not specified, the default action
1686	# will define HAVE_PTHREAD.
1687	#
1688	# Please let the authors know if this macro fails on any platform, or if
1689	# you have any other suggestions or comments. This macro was based on work
1690	# by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help
1691	# from M. Frigo), as well as ac_pthread and hb_pthread macros posted by
1692	# Alejandro Forero Cuervo to the autoconf macro repository. We are also
1693	# grateful for the helpful feedback of numerous users.
1694	#
1695	# Updated for Autoconf 2.68 by Daniel Richard G.
1696	#
1697	# LICENSE
1698	#
1699	# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
1700	# Copyright (c) 2011 Daniel Richard G. <skunk@iSKUNK.ORG>
1701	#
1702	# This program is free software: you can redistribute it and/or modify it
1703	# under the terms of the GNU General Public License as published by the
1704	# Free Software Foundation, either version 3 of the License, or (at your
1705	# option) any later version.
1706	#
1707	# This program is distributed in the hope that it will be useful, but
1708	# WITHOUT ANY WARRANTY; without even the implied warranty of
1709	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
1710	# Public License for more details.
1711	#
1712	# You should have received a copy of the GNU General Public License along
1713	# with this program. If not, see <http://www.gnu.org/licenses/>.
1714	#
1715	# As a special exception, the respective Autoconf Macro's copyright owner
1716	# gives unlimited permission to copy, distribute and modify the configure
1717	# scripts that are the output of Autoconf when processing the Macro. You
1718	# need not follow the terms of the GNU General Public License when using
1719	# or distributing such scripts, even though portions of the text of the
1720	# Macro appear in them. The GNU General Public License (GPL) does govern
1721	# all other use of the material that constitutes the Autoconf Macro.
1722	#
1723	# This special exception to the GPL applies to versions of the Autoconf
1724	# Macro released by the Autoconf Archive. When you make and distribute a
1725	# modified version of the Autoconf Macro, you may extend this special
1726	# exception to the GPL to apply to your modified version as well.
1727
1728	#serial 14
1729
1730	AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
1731	AC_DEFUN([AX_PTHREAD], [
1732	AC_REQUIRE([AC_CANONICAL_HOST])
1733	AC_LANG_PUSH([C])
1734	ax_pthread_ok=no
1735
1736	# We used to check for pthread.h first, but this fails if pthread.h
1737	# requires special compiler flags (e.g. on True64 or Sequent).
1738	# It gets checked for in the link test anyway.
1739
1740	# First of all, check if the user has set any of the PTHREAD_LIBS,
1741	# etcetera environment variables, and if threads linking works using
1742	# them:
1743	if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
1744	save_CFLAGS="$CFLAGS"
1745	CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
1746	save_LIBS="$LIBS"
1747	LIBS="$PTHREAD_LIBS $LIBS"
1748	AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
1749	AC_TRY_LINK_FUNC(pthread_join, ax_pthread_ok=yes)
1750	AC_MSG_RESULT($ax_pthread_ok)
1751	if test x"$ax_pthread_ok" = xno; then
1752	PTHREAD_LIBS=""
1753	PTHREAD_CFLAGS=""
1754	fi
1755	LIBS="$save_LIBS"
1756	CFLAGS="$save_CFLAGS"
1757	fi
1758
1759	# We must check for the threads library under a number of different
1760	# names; the ordering is very important because some systems
1761	# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
1762	# libraries is broken (non-POSIX).
1763
1764	# Create a list of thread flags to try. Items starting with a "-" are
1765	# C compiler flags, and other items are library names, except for "none"
1766	# which indicates that we try without any flags at all, and "pthread-config"
1767	# which is a program returning the flags for the Pth emulation library.
1768
1769	ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
1770
1771	# The ordering is (sometimes) important. Some notes on the
1772	# individual items follow:
1773
1774	# pthreads: AIX (must check this before -lpthread)
1775	# none: in case threads are in libc; should be tried before -Kthread and
1776	# other compiler flags to prevent continual compiler warnings
1777	# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
1778	# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
1779	# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
1780	# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
1781	# -pthreads: Solaris/gcc
1782	# -mthreads: Mingw32/gcc, Lynx/gcc
1783	# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
1784	# doesn't hurt to check since this sometimes defines pthreads too;
1785	# also defines -D_REENTRANT)
1786	# ... -mt is also the pthreads flag for HP/aCC
1787	# pthread: Linux, etcetera
1788	# --thread-safe: KAI C++
1789	# pthread-config: use pthread-config program (for GNU Pth library)
1790
1791	case "${host_cpu}-${host_os}" in
1792	solaris)
1793
1794	# On Solaris (at least, for some versions), libc contains stubbed
1795	# (non-functional) versions of the pthreads routines, so link-based
1796	# tests will erroneously succeed. (We need to link with -pthreads/-mt/
1797	# -lpthread.) (The stubs are missing pthread_cleanup_push, or rather
1798	# a function called by this macro, so we could check for that, but
1799	# who knows whether they'll stub that too in a future libc.) So,
1800	# we'll just look for -pthreads and -lpthread first:
1801
1802	ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
1803	;;
1804
1805	-darwin)
1806	ax_pthread_flags="-pthread $ax_pthread_flags"
1807	;;
1808	esac
1809
1810	if test x"$ax_pthread_ok" = xno; then
1811	for flag in $ax_pthread_flags; do
1812
1813	case $flag in
1814	none)
1815	AC_MSG_CHECKING([whether pthreads work without any flags])
1816	;;
1817
1818	-*)
1819	AC_MSG_CHECKING([whether pthreads work with $flag])
1820	PTHREAD_CFLAGS="$flag"
1821	;;
1822
1823	pthread-config)
1824	AC_CHECK_PROG(ax_pthread_config, pthread-config, yes, no)
1825	if test x"$ax_pthread_config" = xno; then continue; fi
1826	PTHREAD_CFLAGS="`pthread-config --cflags`"
1827	PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
1828	;;
1829
1830	*)
1831	AC_MSG_CHECKING([for the pthreads library -l$flag])
1832	PTHREAD_LIBS="-l$flag"
1833	;;
1834	esac
1835
1836	save_LIBS="$LIBS"
1837	save_CFLAGS="$CFLAGS"
1838	LIBS="$PTHREAD_LIBS $LIBS"
1839	CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
1840
1841	# Check for various functions. We must include pthread.h,
1842	# since some functions may be macros. (On the Sequent, we
1843	# need a special flag -Kthread to make this header compile.)
1844	# We check for pthread_join because it is in -lpthread on IRIX
1845	# while pthread_create is in libc. We check for pthread_attr_init
1846	# due to DEC craziness with -lpthreads. We check for
1847	# pthread_cleanup_push because it is one of the few pthread
1848	# functions on Solaris that doesn't have a non-functional libc stub.
1849	# We try pthread_create on general principles.
1850	AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
1851	static void routine(void *a) { a = 0; }
1852	static void start_routine(void a) { return a; }],
1853	[pthread_t th; pthread_attr_t attr;
1854	pthread_create(&th, 0, start_routine, 0);
1855	pthread_join(th, 0);
1856	pthread_attr_init(&attr);
1857	pthread_cleanup_push(routine, 0);
1858	pthread_cleanup_pop(0) /* ; */])],
1859	[ax_pthread_ok=yes],
1860	[])
1861
1862	LIBS="$save_LIBS"
1863	CFLAGS="$save_CFLAGS"
1864
1865	AC_MSG_RESULT($ax_pthread_ok)
1866	if test "x$ax_pthread_ok" = xyes; then
1867	break;
1868	fi
1869
1870	PTHREAD_LIBS=""
1871	PTHREAD_CFLAGS=""
1872	done
1873	fi
1874
1875	# Various other checks:
1876	if test "x$ax_pthread_ok" = xyes; then
1877	save_LIBS="$LIBS"
1878	LIBS="$PTHREAD_LIBS $LIBS"
1879	save_CFLAGS="$CFLAGS"
1880	CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
1881
1882	# Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
1883	AC_MSG_CHECKING([for joinable pthread attribute])
1884	attr_name=unknown
1885	for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
1886	AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
1887	[int attr = $attr; return attr /* ; */])],
1888	[attr_name=$attr; break],
1889	[])
1890	done
1891	AC_MSG_RESULT($attr_name)
1892	if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
1893	AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name,
1894	[Define to necessary symbol if this constant
1895	uses a non-standard name on your system.])
1896	fi
1897
1898	AC_MSG_CHECKING([if more special flags are required for pthreads])
1899	flag=no
1900	case "${host_cpu}-${host_os}" in
1901	-aix \| -freebsd \| -darwin) flag="-D_THREAD_SAFE";;
1902	solaris \| -osf \| -hpux) flag="-D_REENTRANT";;
1903	esac
1904	AC_MSG_RESULT(${flag})
1905	if test "x$flag" != xno; then
1906	PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
1907	fi
1908
1909	AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
1910	ax_cv_PTHREAD_PRIO_INHERIT, [
1911	AC_LINK_IFELSE(
1912	AC_LANG_PROGRAM([[#include <pthread.h>]], [[int i = PTHREAD_PRIO_INHERIT;]]),
1913	[ax_cv_PTHREAD_PRIO_INHERIT=yes],
1914	[ax_cv_PTHREAD_PRIO_INHERIT=no])
1915	])
1916	AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"],
1917	AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], 1, [Have PTHREAD_PRIO_INHERIT.]))
1918
1919	LIBS="$save_LIBS"
1920	CFLAGS="$save_CFLAGS"
1921
1922	# More AIX lossage: must compile with xlc_r or cc_r
1923	if test x"$GCC" != xyes; then
1924	AC_CHECK_PROGS(PTHREAD_CC, xlc_r cc_r, ${CC})
1925	else
1926	PTHREAD_CC=$CC
1927	fi
1928	else
1929	PTHREAD_CC="$CC"
1930	fi
1931
1932	AC_SUBST(PTHREAD_LIBS)
1933	AC_SUBST(PTHREAD_CFLAGS)
1934	AC_SUBST(PTHREAD_CC)
1935
1936	# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
1937	if test x"$ax_pthread_ok" = xyes; then
1938	ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1])
1939	:
1940	else
1941	ax_pthread_ok=no
1942	$2
1943	fi
1944	AC_LANG_POP
1945	])dnl AX_PTHREAD
1946
1947	# pkg.m4 - Macros to locate and utilise pkg-config. -- Autoconf --
1948	# serial 1 (pkg-config-0.24)
1949	#
1950	# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
1951	#
1952	# This program is free software; you can redistribute it and/or modify
1953	# it under the terms of the GNU General Public License as published by
1954	# the Free Software Foundation; either version 2 of the License, or
1955	# (at your option) any later version.
1956	#
1957	# This program is distributed in the hope that it will be useful, but
1958	# WITHOUT ANY WARRANTY; without even the implied warranty of
1959	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1960	# General Public License for more details.
1961	#
1962	# You should have received a copy of the GNU General Public License
1963	# along with this program; if not, write to the Free Software
1964	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
1965	#
1966	# As a special exception to the GNU General Public License, if you
1967	# distribute this file as part of a program that contains a
1968	# configuration script generated by Autoconf, you may include it under
1969	# the same distribution terms that you use for the rest of that program.
1970
1971	# PKG_PROG_PKG_CONFIG([MIN-VERSION])
1972	# ----------------------------------
1973	AC_DEFUN([PKG_PROG_PKG_CONFIG],
1974	[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
1975	m4_pattern_allow([^PKG_CONFIG(_(PATH\|LIBDIR\|SYSROOT_DIR\|ALLOW_SYSTEM_(CFLAGS\|LIBS)))?$])
1976	m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED\|TOP_BUILD_DIR\|DEBUG_SPEW)$])
1977	AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
1978	AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
1979	AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
1980
1981	if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
1982	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
1983	fi
1984	if test -n "$PKG_CONFIG"; then
1985	_pkg_min_version=m4_default([$1], [0.9.0])
1986	AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
1987	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
1988	AC_MSG_RESULT([yes])
1989	else
1990	AC_MSG_RESULT([no])
1991	PKG_CONFIG=""
1992	fi
1993	fi[]dnl
1994	])# PKG_PROG_PKG_CONFIG
1995
1996	# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
1997	#
1998	# Check to see whether a particular set of modules exists. Similar
1999	# to PKG_CHECK_MODULES(), but does not set variables or print errors.
2000	#
2001	# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
2002	# only at the first occurence in configure.ac, so if the first place
2003	# it's called might be skipped (such as if it is within an "if", you
2004	# have to call PKG_CHECK_EXISTS manually
2005	# --------------------------------------------------------------
2006	AC_DEFUN([PKG_CHECK_EXISTS],
2007	[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
2008	if test -n "$PKG_CONFIG" && \
2009	AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
2010	m4_default([$2], [:])
2011	m4_ifvaln([$3], [else
2012	$3])dnl
2013	fi])
2014
2015	# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
2016	# ---------------------------------------------
2017	m4_define([_PKG_CONFIG],
2018	[if test -n "$$1"; then
2019	pkg_cv_[]$1="$$1"
2020	elif test -n "$PKG_CONFIG"; then
2021	PKG_CHECK_EXISTS([$3],
2022	[pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
2023	test "x$?" != "x0" && pkg_failed=yes ],
2024	[pkg_failed=yes])
2025	else
2026	pkg_failed=untried
2027	fi[]dnl
2028	])# _PKG_CONFIG
2029
2030	# _PKG_SHORT_ERRORS_SUPPORTED
2031	# -----------------------------
2032	AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
2033	[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
2034	if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
2035	_pkg_short_errors_supported=yes
2036	else
2037	_pkg_short_errors_supported=no
2038	fi[]dnl
2039	])# _PKG_SHORT_ERRORS_SUPPORTED
2040
2041
2042	# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
2043	# [ACTION-IF-NOT-FOUND])
2044	#
2045	#
2046	# Note that if there is a possibility the first call to
2047	# PKG_CHECK_MODULES might not happen, you should be sure to include an
2048	# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
2049	#
2050	#
2051	# --------------------------------------------------------------
2052	AC_DEFUN([PKG_CHECK_MODULES],
2053	[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
2054	AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
2055	AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
2056
2057	pkg_failed=no
2058	AC_MSG_CHECKING([for $1])
2059
2060	_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
2061	_PKG_CONFIG([$1][_LIBS], [libs], [$2])
2062
2063	m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
2064	and $1[]_LIBS to avoid the need to call pkg-config.
2065	See the pkg-config man page for more details.])
2066
2067	if test $pkg_failed = yes; then
2068	AC_MSG_RESULT([no])
2069	_PKG_SHORT_ERRORS_SUPPORTED
2070	if test $_pkg_short_errors_supported = yes; then
2071	$1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
2072	else
2073	$1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
2074	fi
2075	# Put the nasty error message in config.log where it belongs
2076	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
2077
2078	m4_default([$4], [AC_MSG_ERROR(
2079	[Package requirements ($2) were not met:
2080
2081	$$1_PKG_ERRORS
2082
2083	Consider adjusting the PKG_CONFIG_PATH environment variable if you
2084	installed software in a non-standard prefix.
2085
2086	_PKG_TEXT])[]dnl
2087	])
2088	elif test $pkg_failed = untried; then
2089	AC_MSG_RESULT([no])
2090	m4_default([$4], [AC_MSG_FAILURE(
2091	[The pkg-config script could not be found or is too old. Make sure it
2092	is in your PATH or set the PKG_CONFIG environment variable to the full
2093	path to pkg-config.
2094
2095	_PKG_TEXT
2096
2097	To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
2098	])
2099	else
2100	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
2101	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
2102	AC_MSG_RESULT([yes])
2103	$3
2104	fi[]dnl
2105	])# PKG_CHECK_MODULES
2106
2107	# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
2108	#
2109	# This file is free software; the Free Software Foundation
2110	# gives unlimited permission to copy and/or distribute it,
2111	# with or without modifications, as long as this notice is preserved.
2112
2113	# AM_AUTOMAKE_VERSION(VERSION)
2114	# ----------------------------
2115	# Automake X.Y traces this macro to ensure aclocal.m4 has been
2116	# generated from the m4 files accompanying Automake X.Y.
2117	# (This private macro should not be called outside this file.)
2118	AC_DEFUN([AM_AUTOMAKE_VERSION],
2119	[am__api_version='1.11'
2120	dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
2121	dnl require some minimum version. Point them to the right macro.
2122	m4_if([$1], [1.11.1], [],
2123	[AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
2124	])
2125
2126	# _AM_AUTOCONF_VERSION(VERSION)
2127	# -----------------------------
2128	# aclocal traces this macro to find the Autoconf version.
2129	# This is a private macro too. Using m4_define simplifies
2130	# the logic in aclocal, which can simply ignore this definition.
2131	m4_define([_AM_AUTOCONF_VERSION], [])
2132
2133	# AM_SET_CURRENT_AUTOMAKE_VERSION
2134	# -------------------------------
2135	# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
2136	# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
2137	AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
2138	[AM_AUTOMAKE_VERSION([1.11.1])dnl
2139	m4_ifndef([AC_AUTOCONF_VERSION],
2140	[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
2141	_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
2142
2143	# AM_AUX_DIR_EXPAND -- Autoconf --
2144
2145	# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
2146	#
2147	# This file is free software; the Free Software Foundation
2148	# gives unlimited permission to copy and/or distribute it,
2149	# with or without modifications, as long as this notice is preserved.
2150
2151	# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
2152	# $ac_aux_dir to `$srcdir/foo'. In other projects, it is set to
2153	# `$srcdir', `$srcdir/..', or `$srcdir/../..'.
2154	#
2155	# Of course, Automake must honor this variable whenever it calls a
2156	# tool from the auxiliary directory. The problem is that $srcdir (and
2157	# therefore $ac_aux_dir as well) can be either absolute or relative,
2158	# depending on how configure is run. This is pretty annoying, since
2159	# it makes $ac_aux_dir quite unusable in subdirectories: in the top
2160	# source directory, any form will work fine, but in subdirectories a
2161	# relative path needs to be adjusted first.
2162	#
2163	# $ac_aux_dir/missing
2164	# fails when called from a subdirectory if $ac_aux_dir is relative
2165	# $top_srcdir/$ac_aux_dir/missing
2166	# fails if $ac_aux_dir is absolute,
2167	# fails when called from a subdirectory in a VPATH build with
2168	# a relative $ac_aux_dir
2169	#
2170	# The reason of the latter failure is that $top_srcdir and $ac_aux_dir
2171	# are both prefixed by $srcdir. In an in-source build this is usually
2172	# harmless because $srcdir is `.', but things will broke when you
2173	# start a VPATH build or use an absolute $srcdir.
2174	#
2175	# So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
2176	# iff we strip the leading $srcdir from $ac_aux_dir. That would be:
2177	# am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//\(.\)"`
2178	# and then we would define $MISSING as
2179	# MISSING="\${SHELL} $am_aux_dir/missing"
2180	# This will work as long as MISSING is not called from configure, because
2181	# unfortunately $(top_srcdir) has no meaning in configure.
2182	# However there are other variables, like CC, which are often used in
2183	# configure, and could therefore not use this "fixed" $ac_aux_dir.
2184	#
2185	# Another solution, used here, is to always expand $ac_aux_dir to an
2186	# absolute PATH. The drawback is that using absolute paths prevent a
2187	# configured tree to be moved without reconfiguration.
2188
2189	AC_DEFUN([AM_AUX_DIR_EXPAND],
2190	[dnl Rely on autoconf to set up CDPATH properly.
2191	AC_PREREQ([2.50])dnl
2192	# expand $ac_aux_dir to an absolute path
2193	am_aux_dir=`cd $ac_aux_dir && pwd`
2194	])
2195
2196	# AM_COND_IF -- Autoconf --
2197
2198	# Copyright (C) 2008 Free Software Foundation, Inc.
2199	#
2200	# This file is free software; the Free Software Foundation
2201	# gives unlimited permission to copy and/or distribute it,
2202	# with or without modifications, as long as this notice is preserved.
2203
2204	# serial 1
2205
2206	# _AM_COND_IF
2207	# _AM_COND_ELSE
2208	# _AM_COND_ENDIF
2209	# --------------
2210	# These macros are only used for tracing.
2211	m4_define([_AM_COND_IF])
2212	m4_define([_AM_COND_ELSE])
2213	m4_define([_AM_COND_ENDIF])
2214
2215
2216	# AM_COND_IF(COND, [IF-TRUE], [IF-FALSE])
2217	# ---------------------------------------
2218	# If the shell condition matching COND is true, execute IF-TRUE,
2219	# otherwise execute IF-FALSE. Allow automake to learn about conditional
2220	# instantiating macros (the AC_CONFIG_FOOS).
2221	AC_DEFUN([AM_COND_IF],
2222	[m4_ifndef([_AM_COND_VALUE_$1],
2223	[m4_fatal([$0: no such condition "$1"])])dnl
2224	_AM_COND_IF([$1])dnl
2225	if _AM_COND_VALUE_$1; then
2226	m4_default([$2], [:])
2227	m4_ifval([$3],
2228	[_AM_COND_ELSE([$1])dnl
2229	else
2230	$3
2231	])dnl
2232	_AM_COND_ENDIF([$1])dnl
2233	fi[]dnl
2234	])
2235
2236	# AM_CONDITIONAL -- Autoconf --
2237
2238	# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008
2239	# Free Software Foundation, Inc.
2240	#
2241	# This file is free software; the Free Software Foundation
2242	# gives unlimited permission to copy and/or distribute it,
2243	# with or without modifications, as long as this notice is preserved.
2244
2245	# serial 9
2246
2247	# AM_CONDITIONAL(NAME, SHELL-CONDITION)
2248	# -------------------------------------
2249	# Define a conditional.
2250	AC_DEFUN([AM_CONDITIONAL],
2251	[AC_PREREQ(2.52)dnl
2252	ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])],
2253	[$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
2254	AC_SUBST([$1_TRUE])dnl
2255	AC_SUBST([$1_FALSE])dnl
2256	_AM_SUBST_NOTMAKE([$1_TRUE])dnl
2257	_AM_SUBST_NOTMAKE([$1_FALSE])dnl
2258	m4_define([_AM_COND_VALUE_$1], [$2])dnl
2259	if $2; then
2260	$1_TRUE=
2261	$1_FALSE='#'
2262	else
2263	$1_TRUE='#'
2264	$1_FALSE=
2265	fi
2266	AC_CONFIG_COMMANDS_PRE(
2267	[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
2268	AC_MSG_ERROR([[conditional "$1" was never defined.
2269	Usually this means the macro was only invoked conditionally.]])
2270	fi])])
2271
2272	# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
2273	# Free Software Foundation, Inc.
2274	#
2275	# This file is free software; the Free Software Foundation
2276	# gives unlimited permission to copy and/or distribute it,
2277	# with or without modifications, as long as this notice is preserved.
2278
2279	# serial 10
2280
2281	# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
2282	# written in clear, in which case automake, when reading aclocal.m4,
2283	# will think it sees a use, and therefore will trigger all it's
2284	# C support machinery. Also note that it means that autoscan, seeing
2285	# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
2286
2287
2288	# _AM_DEPENDENCIES(NAME)
2289	# ----------------------
2290	# See how the compiler implements dependency checking.
2291	# NAME is "CC", "CXX", "GCJ", or "OBJC".
2292	# We try a few techniques and use that to set a single cache variable.
2293	#
2294	# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
2295	# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
2296	# dependency, and given that the user is not expected to run this macro,
2297	# just rely on AC_PROG_CC.
2298	AC_DEFUN([_AM_DEPENDENCIES],
2299	[AC_REQUIRE([AM_SET_DEPDIR])dnl
2300	AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
2301	AC_REQUIRE([AM_MAKE_INCLUDE])dnl
2302	AC_REQUIRE([AM_DEP_TRACK])dnl
2303
2304	ifelse([$1], CC, [depcc="$CC" am_compiler_list=],
2305	[$1], CXX, [depcc="$CXX" am_compiler_list=],
2306	[$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
2307	[$1], UPC, [depcc="$UPC" am_compiler_list=],
2308	[$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
2309	[depcc="$$1" am_compiler_list=])
2310
2311	AC_CACHE_CHECK([dependency style of $depcc],
2312	[am_cv_$1_dependencies_compiler_type],
2313	[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
2314	# We make a subdir and do the tests there. Otherwise we can end up
2315	# making bogus files that we don't know about and never remove. For
2316	# instance it was reported that on HP-UX the gcc test will end up
2317	# making a dummy file named `D' -- because `-MD' means `put the output
2318	# in D'.
2319	mkdir conftest.dir
2320	# Copy depcomp to subdir because otherwise we won't find it if we're
2321	# using a relative directory.
2322	cp "$am_depcomp" conftest.dir
2323	cd conftest.dir
2324	# We will build objects and dependencies in a subdirectory because
2325	# it helps to detect inapplicable dependency modes. For instance
2326	# both Tru64's cc and ICC support -MD to output dependencies as a
2327	# side effect of compilation, but ICC will put the dependencies in
2328	# the current directory while Tru64 will put them in the object
2329	# directory.
2330	mkdir sub
2331
2332	am_cv_$1_dependencies_compiler_type=none
2333	if test "$am_compiler_list" = ""; then
2334	am_compiler_list=`sed -n ['s/^#\([a-zA-Z0-9]\))$/\1/p'] < ./depcomp`
2335	fi
2336	am__universal=false
2337	m4_case([$1], [CC],
2338	[case " $depcc " in #(
2339	\ -arch\ \ -arch\ *) am__universal=true ;;
2340	esac],
2341	[CXX],
2342	[case " $depcc " in #(
2343	\ -arch\ \ -arch\ *) am__universal=true ;;
2344	esac])
2345
2346	for depmode in $am_compiler_list; do
2347	# Setup a source with many dependencies, because some compilers
2348	# like to wrap large dependency lists on column 80 (with \), and
2349	# we should not choose a depcomp mode which is confused by this.
2350	#
2351	# We need to recreate these files for each test, as the compiler may
2352	# overwrite some of them when testing with obscure command lines.
2353	# This happens at least with the AIX C compiler.
2354	: > sub/conftest.c
2355	for i in 1 2 3 4 5 6; do
2356	echo '#include "conftst'$i'.h"' >> sub/conftest.c
2357	# Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
2358	# Solaris 8's {/usr,}/bin/sh.
2359	touch sub/conftst$i.h
2360	done
2361	echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
2362
2363	# We check with `-c' and `-o' for the sake of the "dashmstdout"
2364	# mode. It turns out that the SunPro C++ compiler does not properly
2365	# handle `-M -o', and we need to detect this. Also, some Intel
2366	# versions had trouble with output in subdirs
2367	am__obj=sub/conftest.${OBJEXT-o}
2368	am__minus_obj="-o $am__obj"
2369	case $depmode in
2370	gcc)
2371	# This depmode causes a compiler race in universal mode.
2372	test "$am__universal" = false \|\| continue
2373	;;
2374	nosideeffect)
2375	# after this tag, mechanisms are not by side-effect, so they'll
2376	# only be used when explicitly requested
2377	if test "x$enable_dependency_tracking" = xyes; then
2378	continue
2379	else
2380	break
2381	fi
2382	;;
2383	msvisualcpp \| msvcmsys)
2384	# This compiler won't grok `-c -o', but also, the minuso test has
2385	# not run yet. These depmodes are late enough in the game, and
2386	# so weak that their functioning should not be impacted.
2387	am__obj=conftest.${OBJEXT-o}
2388	am__minus_obj=
2389	;;
2390	none) break ;;
2391	esac
2392	if depmode=$depmode \
2393	source=sub/conftest.c object=$am__obj \
2394	depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
2395	$SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
2396	>/dev/null 2>conftest.err &&
2397	grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
2398	grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
2399	grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
2400	${MAKE-make} -s -f confmf > /dev/null 2>&1; then
2401	# icc doesn't choke on unknown options, it will just issue warnings
2402	# or remarks (even with -Werror). So we grep stderr for any message
2403	# that says an option was ignored or not supported.
2404	# When given -MP, icc 7.0 and 7.1 complain thusly:
2405	# icc: Command line warning: ignoring option '-M'; no argument required
2406	# The diagnosis changed in icc 8.0:
2407	# icc: Command line remark: option '-MP' not supported
2408	if (grep 'ignoring option' conftest.err \|\|
2409	grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
2410	am_cv_$1_dependencies_compiler_type=$depmode
2411	break
2412	fi
2413	fi
2414	done
2415
2416	cd ..
2417	rm -rf conftest.dir
2418	else
2419	am_cv_$1_dependencies_compiler_type=none
2420	fi
2421	])
2422	AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
2423	AM_CONDITIONAL([am__fastdep$1], [
2424	test "x$enable_dependency_tracking" != xno \
2425	&& test "$am_cv_$1_dependencies_compiler_type" = gcc3])
2426	])
2427
2428
2429	# AM_SET_DEPDIR
2430	# -------------
2431	# Choose a directory name for dependency files.
2432	# This macro is AC_REQUIREd in _AM_DEPENDENCIES
2433	AC_DEFUN([AM_SET_DEPDIR],
2434	[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
2435	AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
2436	])
2437
2438
2439	# AM_DEP_TRACK
2440	# ------------
2441	AC_DEFUN([AM_DEP_TRACK],
2442	[AC_ARG_ENABLE(dependency-tracking,
2443	[ --disable-dependency-tracking speeds up one-time build
2444	--enable-dependency-tracking do not reject slow dependency extractors])
2445	if test "x$enable_dependency_tracking" != xno; then
2446	am_depcomp="$ac_aux_dir/depcomp"
2447	AMDEPBACKSLASH='\'
2448	fi
2449	AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
2450	AC_SUBST([AMDEPBACKSLASH])dnl
2451	_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
2452	])
2453
2454	# Generate code to set up dependency tracking. -- Autoconf --
2455
2456	# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
2457	# Free Software Foundation, Inc.
2458	#
2459	# This file is free software; the Free Software Foundation
2460	# gives unlimited permission to copy and/or distribute it,
2461	# with or without modifications, as long as this notice is preserved.
2462
2463	#serial 5
2464
2465	# _AM_OUTPUT_DEPENDENCY_COMMANDS
2466	# ------------------------------
2467	AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
2468	[{
2469	# Autoconf 2.62 quotes --file arguments for eval, but not when files
2470	# are listed without --file. Let's play safe and only enable the eval
2471	# if we detect the quoting.
2472	case $CONFIG_FILES in
2473	\') eval set x "$CONFIG_FILES" ;;
2474	*) set x $CONFIG_FILES ;;
2475	esac
2476	shift
2477	for mf
2478	do
2479	# Strip MF so we end up with the name of the file.
2480	mf=`echo "$mf" \| sed -e 's/:.*$//'`
2481	# Check whether this is an Automake generated Makefile or not.
2482	# We used to match only the files named `Makefile.in', but
2483	# some people rename them; so instead we look at the file content.
2484	# Grep'ing the first line is not enough: some people post-process
2485	# each Makefile.in and add a new line on top of each file to say so.
2486	# Grep'ing the whole file is not good either: AIX grep has a line
2487	# limit of 2048, but all sed's we know have understand at least 4000.
2488	if sed -n 's,^#.generated by automake.,X,p' "$mf" \| grep X >/dev/null 2>&1; then
2489	dirpart=`AS_DIRNAME("$mf")`
2490	else
2491	continue
2492	fi
2493	# Extract the definition of DEPDIR, am__include, and am__quote
2494	# from the Makefile without running `make'.
2495	DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
2496	test -z "$DEPDIR" && continue
2497	am__include=`sed -n 's/^am__include = //p' < "$mf"`
2498	test -z "am__include" && continue
2499	am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
2500	# When using ansi2knr, U may be empty or an underscore; expand it
2501	U=`sed -n 's/^U = //p' < "$mf"`
2502	# Find all dependency output files, they are included files with
2503	# $(DEPDIR) in their names. We invoke sed twice because it is the
2504	# simplest approach to changing $(DEPDIR) to its actual value in the
2505	# expansion.
2506	for file in `sed -n "
2507	s/^$am__include $am__quote\(.(DEPDIR).\)$am__quote"'$/\1/p' <"$mf" \| \
2508	sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
2509	# Make sure the directory exists.
2510	test -f "$dirpart/$file" && continue
2511	fdir=`AS_DIRNAME(["$file"])`
2512	AS_MKDIR_P([$dirpart/$fdir])
2513	# echo "creating $dirpart/$file"
2514	echo '# dummy' > "$dirpart/$file"
2515	done
2516	done
2517	}
2518	])# _AM_OUTPUT_DEPENDENCY_COMMANDS
2519
2520
2521	# AM_OUTPUT_DEPENDENCY_COMMANDS
2522	# -----------------------------
2523	# This macro should only be invoked once -- use via AC_REQUIRE.
2524	#
2525	# This code is only required when automatic dependency tracking
2526	# is enabled. FIXME. This creates each `.P' file that we will
2527	# need in order to bootstrap the dependency handling code.
2528	AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
2529	[AC_CONFIG_COMMANDS([depfiles],
2530	[test x"$AMDEP_TRUE" != x"" \|\| _AM_OUTPUT_DEPENDENCY_COMMANDS],
2531	[AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
2532	])
2533
2534	# Do all the work for Automake. -- Autoconf --
2535
2536	# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
2537	# 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
2538	#
2539	# This file is free software; the Free Software Foundation
2540	# gives unlimited permission to copy and/or distribute it,
2541	# with or without modifications, as long as this notice is preserved.
2542
2543	# serial 16
2544
2545	# This macro actually does too much. Some checks are only needed if
2546	# your package does certain things. But this isn't really a big deal.
2547
2548	# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
2549	# AM_INIT_AUTOMAKE([OPTIONS])
2550	# -----------------------------------------------
2551	# The call with PACKAGE and VERSION arguments is the old style
2552	# call (pre autoconf-2.50), which is being phased out. PACKAGE
2553	# and VERSION should now be passed to AC_INIT and removed from
2554	# the call to AM_INIT_AUTOMAKE.
2555	# We support both call styles for the transition. After
2556	# the next Automake release, Autoconf can make the AC_INIT
2557	# arguments mandatory, and then we can depend on a new Autoconf
2558	# release and drop the old call support.
2559	AC_DEFUN([AM_INIT_AUTOMAKE],
2560	[AC_PREREQ([2.62])dnl
2561	dnl Autoconf wants to disallow AM_ names. We explicitly allow
2562	dnl the ones we care about.
2563	m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
2564	AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
2565	AC_REQUIRE([AC_PROG_INSTALL])dnl
2566	if test "`cd $srcdir && pwd`" != "`pwd`"; then
2567	# Use -I$(srcdir) only when $(srcdir) != ., so that make's output
2568	# is not polluted with repeated "-I."
2569	AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
2570	# test to see if srcdir already configured
2571	if test -f $srcdir/config.status; then
2572	AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
2573	fi
2574	fi
2575
2576	# test whether we have cygpath
2577	if test -z "$CYGPATH_W"; then
2578	if (cygpath --version) >/dev/null 2>/dev/null; then
2579	CYGPATH_W='cygpath -w'
2580	else
2581	CYGPATH_W=echo
2582	fi
2583	fi
2584	AC_SUBST([CYGPATH_W])
2585
2586	# Define the identity of the package.
2587	dnl Distinguish between old-style and new-style calls.
2588	m4_ifval([$2],
2589	[m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
2590	AC_SUBST([PACKAGE], [$1])dnl
2591	AC_SUBST([VERSION], [$2])],
2592	[_AM_SET_OPTIONS([$1])dnl
2593	dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
2594	m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
2595	[m4_fatal([AC_INIT should be called with package and version arguments])])dnl
2596	AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
2597	AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
2598
2599	_AM_IF_OPTION([no-define],,
2600	[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
2601	AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
2602
2603	# Some tools Automake needs.
2604	AC_REQUIRE([AM_SANITY_CHECK])dnl
2605	AC_REQUIRE([AC_ARG_PROGRAM])dnl
2606	AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
2607	AM_MISSING_PROG(AUTOCONF, autoconf)
2608	AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
2609	AM_MISSING_PROG(AUTOHEADER, autoheader)
2610	AM_MISSING_PROG(MAKEINFO, makeinfo)
2611	AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
2612	AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
2613	AC_REQUIRE([AM_PROG_MKDIR_P])dnl
2614	# We need awk for the "check" target. The system "awk" is bad on
2615	# some platforms.
2616	AC_REQUIRE([AC_PROG_AWK])dnl
2617	AC_REQUIRE([AC_PROG_MAKE_SET])dnl
2618	AC_REQUIRE([AM_SET_LEADING_DOT])dnl
2619	_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
2620	[_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
2621	[_AM_PROG_TAR([v7])])])
2622	_AM_IF_OPTION([no-dependencies],,
2623	[AC_PROVIDE_IFELSE([AC_PROG_CC],
2624	[_AM_DEPENDENCIES(CC)],
2625	[define([AC_PROG_CC],
2626	defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
2627	AC_PROVIDE_IFELSE([AC_PROG_CXX],
2628	[_AM_DEPENDENCIES(CXX)],
2629	[define([AC_PROG_CXX],
2630	defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
2631	AC_PROVIDE_IFELSE([AC_PROG_OBJC],
2632	[_AM_DEPENDENCIES(OBJC)],
2633	[define([AC_PROG_OBJC],
2634	defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
2635	])
2636	_AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
2637	dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
2638	dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This macro
2639	dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
2640	AC_CONFIG_COMMANDS_PRE(dnl
2641	[m4_provide_if([_AM_COMPILER_EXEEXT],
2642	[AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
2643	])
2644
2645	dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
2646	dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
2647	dnl mangled by Autoconf and run in a shell conditional statement.
2648	m4_define([_AC_COMPILER_EXEEXT],
2649	m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
2650
2651
2652	# When config.status generates a header, we must update the stamp-h file.
2653	# This file resides in the same directory as the config header
2654	# that is generated. The stamp files are numbered to have different names.
2655
2656	# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
2657	# loop where config.status creates the headers, so we can generate
2658	# our stamp files there.
2659	AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
2660	[# Compute $1's index in $config_headers.
2661	_am_arg=$1
2662	_am_stamp_count=1
2663	for _am_header in $config_headers :; do
2664	case $_am_header in
2665	$_am_arg \| $_am_arg:* )
2666	break ;;
2667	* )
2668	_am_stamp_count=`expr $_am_stamp_count + 1` ;;
2669	esac
2670	done
2671	echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
2672
2673	# Copyright (C) 2001, 2003, 2005, 2008 Free Software Foundation, Inc.
2674	#
2675	# This file is free software; the Free Software Foundation
2676	# gives unlimited permission to copy and/or distribute it,
2677	# with or without modifications, as long as this notice is preserved.
2678
2679	# AM_PROG_INSTALL_SH
2680	# ------------------
2681	# Define $install_sh.
2682	AC_DEFUN([AM_PROG_INSTALL_SH],
2683	[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
2684	if test x"${install_sh}" != xset; then
2685	case $am_aux_dir in
2686	\ \| \ )
2687	install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
2688	*)
2689	install_sh="\${SHELL} $am_aux_dir/install-sh"
2690	esac
2691	fi
2692	AC_SUBST(install_sh)])
2693
2694	# Copyright (C) 2003, 2005 Free Software Foundation, Inc.
2695	#
2696	# This file is free software; the Free Software Foundation
2697	# gives unlimited permission to copy and/or distribute it,
2698	# with or without modifications, as long as this notice is preserved.
2699
2700	# serial 2
2701
2702	# Check whether the underlying file-system supports filenames
2703	# with a leading dot. For instance MS-DOS doesn't.
2704	AC_DEFUN([AM_SET_LEADING_DOT],
2705	[rm -rf .tst 2>/dev/null
2706	mkdir .tst 2>/dev/null
2707	if test -d .tst; then
2708	am__leading_dot=.
2709	else
2710	am__leading_dot=_
2711	fi
2712	rmdir .tst 2>/dev/null
2713	AC_SUBST([am__leading_dot])])
2714
2715	# Check to see how 'make' treats includes. -- Autoconf --
2716
2717	# Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
2718	#
2719	# This file is free software; the Free Software Foundation
2720	# gives unlimited permission to copy and/or distribute it,
2721	# with or without modifications, as long as this notice is preserved.
2722
2723	# serial 4
2724
2725	# AM_MAKE_INCLUDE()
2726	# -----------------
2727	# Check to see how make treats includes.
2728	AC_DEFUN([AM_MAKE_INCLUDE],
2729	[am_make=${MAKE-make}
2730	cat > confinc << 'END'
2731	am__doit:
2732	@echo this is the am__doit target
2733	.PHONY: am__doit
2734	END
2735	# If we don't find an include directive, just comment out the code.
2736	AC_MSG_CHECKING([for style of include used by $am_make])
2737	am__include="#"
2738	am__quote=
2739	_am_result=none
2740	# First try GNU make style include.
2741	echo "include confinc" > confmf
2742	# Ignore all kinds of additional output from `make'.
2743	case `$am_make -s -f confmf 2> /dev/null` in #(
2744	the\ am__doit\ target)
2745	am__include=include
2746	am__quote=
2747	_am_result=GNU
2748	;;
2749	esac
2750	# Now try BSD make style include.
2751	if test "$am__include" = "#"; then
2752	echo '.include "confinc"' > confmf
2753	case `$am_make -s -f confmf 2> /dev/null` in #(
2754	the\ am__doit\ target)
2755	am__include=.include
2756	am__quote="\""
2757	_am_result=BSD
2758	;;
2759	esac
2760	fi
2761	AC_SUBST([am__include])
2762	AC_SUBST([am__quote])
2763	AC_MSG_RESULT([$_am_result])
2764	rm -f confinc confmf
2765	])
2766
2767	# Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2008
2768	# Free Software Foundation, Inc.
2769	#
2770	# This file is free software; the Free Software Foundation
2771	# gives unlimited permission to copy and/or distribute it,
2772	# with or without modifications, as long as this notice is preserved.
2773
2774	# serial 6
2775
2776	# AM_PROG_CC_C_O
2777	# --------------
2778	# Like AC_PROG_CC_C_O, but changed for automake.
2779	AC_DEFUN([AM_PROG_CC_C_O],
2780	[AC_REQUIRE([AC_PROG_CC_C_O])dnl
2781	AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
2782	AC_REQUIRE_AUX_FILE([compile])dnl
2783	# FIXME: we rely on the cache variable name because
2784	# there is no other way.
2785	set dummy $CC
2786	am_cc=`echo $[2] \| sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
2787	eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
2788	if test "$am_t" != yes; then
2789	# Losing compiler, so override with the script.
2790	# FIXME: It is wrong to rewrite CC.
2791	# But if we don't then we get into trouble of one sort or another.
2792	# A longer-term fix would be to have automake use am__CC in this case,
2793	# and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
2794	CC="$am_aux_dir/compile $CC"
2795	fi
2796	dnl Make sure AC_PROG_CC is never called again, or it will override our
2797	dnl setting of CC.
2798	m4_define([AC_PROG_CC],
2799	[m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])])
2800	])
2801
2802	# Fake the existence of programs that GNU maintainers use. -- Autoconf --
2803
2804	# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
2805	# Free Software Foundation, Inc.
2806	#
2807	# This file is free software; the Free Software Foundation
2808	# gives unlimited permission to copy and/or distribute it,
2809	# with or without modifications, as long as this notice is preserved.
2810
2811	# serial 6
2812
2813	# AM_MISSING_PROG(NAME, PROGRAM)
2814	# ------------------------------
2815	AC_DEFUN([AM_MISSING_PROG],
2816	[AC_REQUIRE([AM_MISSING_HAS_RUN])
2817	$1=${$1-"${am_missing_run}$2"}
2818	AC_SUBST($1)])
2819
2820
2821	# AM_MISSING_HAS_RUN
2822	# ------------------
2823	# Define MISSING if not defined so far and test if it supports --run.
2824	# If it does, set am_missing_run to use it, otherwise, to nothing.
2825	AC_DEFUN([AM_MISSING_HAS_RUN],
2826	[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
2827	AC_REQUIRE_AUX_FILE([missing])dnl
2828	if test x"${MISSING+set}" != xset; then
2829	case $am_aux_dir in
2830	\ \| \ )
2831	MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
2832	*)
2833	MISSING="\${SHELL} $am_aux_dir/missing" ;;
2834	esac
2835	fi
2836	# Use eval to expand $SHELL
2837	if eval "$MISSING --run true"; then
2838	am_missing_run="$MISSING --run "
2839	else
2840	am_missing_run=
2841	AC_MSG_WARN([`missing' script is too old or missing])
2842	fi
2843	])
2844
2845	# Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
2846	#
2847	# This file is free software; the Free Software Foundation
2848	# gives unlimited permission to copy and/or distribute it,
2849	# with or without modifications, as long as this notice is preserved.
2850
2851	# AM_PROG_MKDIR_P
2852	# ---------------
2853	# Check for `mkdir -p'.
2854	AC_DEFUN([AM_PROG_MKDIR_P],
2855	[AC_PREREQ([2.60])dnl
2856	AC_REQUIRE([AC_PROG_MKDIR_P])dnl
2857	dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
2858	dnl while keeping a definition of mkdir_p for backward compatibility.
2859	dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
2860	dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
2861	dnl Makefile.ins that do not define MKDIR_P, so we do our own
2862	dnl adjustment using top_builddir (which is defined more often than
2863	dnl MKDIR_P).
2864	AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
2865	case $mkdir_p in
2866	[[\\/$]]* \| ?:[[\\/]]*) ;;
2867	/) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
2868	esac
2869	])
2870
2871	# Helper functions for option handling. -- Autoconf --
2872
2873	# Copyright (C) 2001, 2002, 2003, 2005, 2008 Free Software Foundation, Inc.
2874	#
2875	# This file is free software; the Free Software Foundation
2876	# gives unlimited permission to copy and/or distribute it,
2877	# with or without modifications, as long as this notice is preserved.
2878
2879	# serial 4
2880
2881	# _AM_MANGLE_OPTION(NAME)
2882	# -----------------------
2883	AC_DEFUN([_AM_MANGLE_OPTION],
2884	[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
2885
2886	# _AM_SET_OPTION(NAME)
2887	# ------------------------------
2888	# Set option NAME. Presently that only means defining a flag for this option.
2889	AC_DEFUN([_AM_SET_OPTION],
2890	[m4_define(_AM_MANGLE_OPTION([$1]), 1)])
2891
2892	# _AM_SET_OPTIONS(OPTIONS)
2893	# ----------------------------------
2894	# OPTIONS is a space-separated list of Automake options.
2895	AC_DEFUN([_AM_SET_OPTIONS],
2896	[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
2897
2898	# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
2899	# -------------------------------------------
2900	# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
2901	AC_DEFUN([_AM_IF_OPTION],
2902	[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
2903
2904	# Check to make sure that the build environment is sane. -- Autoconf --
2905
2906	# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
2907	# Free Software Foundation, Inc.
2908	#
2909	# This file is free software; the Free Software Foundation
2910	# gives unlimited permission to copy and/or distribute it,
2911	# with or without modifications, as long as this notice is preserved.
2912
2913	# serial 5
2914
2915	# AM_SANITY_CHECK
2916	# ---------------
2917	AC_DEFUN([AM_SANITY_CHECK],
2918	[AC_MSG_CHECKING([whether build environment is sane])
2919	# Just in case
2920	sleep 1
2921	echo timestamp > conftest.file
2922	# Reject unsafe characters in $srcdir or the absolute working directory
2923	# name. Accept space and tab only in the latter.
2924	am_lf='
2925	'
2926	case `pwd` in
2927	[[\\\"\#\$\&\'\`$am_lf]])
2928	AC_MSG_ERROR([unsafe absolute working directory name]);;
2929	esac
2930	case $srcdir in
2931	[[\\\"\#\$\&\'\`$am_lf\ \ ]])
2932	AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
2933	esac
2934
2935	# Do `set' in a subshell so we don't clobber the current shell's
2936	# arguments. Must try -L first in case configure is actually a
2937	# symlink; some systems play weird games with the mod time of symlinks
2938	# (eg FreeBSD returns the mod time of the symlink's containing
2939	# directory).
2940	if (
2941	set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
2942	if test "$[*]" = "X"; then
2943	# -L didn't work.
2944	set X `ls -t "$srcdir/configure" conftest.file`
2945	fi
2946	rm -f conftest.file
2947	if test "$[*]" != "X $srcdir/configure conftest.file" \
2948	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
2949
2950	# If neither matched, then we have a broken ls. This can happen
2951	# if, for instance, CONFIG_SHELL is bash and it inherits a
2952	# broken ls alias from the environment. This has actually
2953	# happened. Such a system could not be considered "sane".
2954	AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
2955	alias in your environment])
2956	fi
2957
2958	test "$[2]" = conftest.file
2959	)
2960	then
2961	# Ok.
2962	:
2963	else
2964	AC_MSG_ERROR([newly created file is older than distributed files!
2965	Check your system clock])
2966	fi
2967	AC_MSG_RESULT(yes)])
2968
2969	# Copyright (C) 2009 Free Software Foundation, Inc.
2970	#
2971	# This file is free software; the Free Software Foundation
2972	# gives unlimited permission to copy and/or distribute it,
2973	# with or without modifications, as long as this notice is preserved.
2974
2975	# serial 1
2976
2977	# AM_SILENT_RULES([DEFAULT])
2978	# --------------------------
2979	# Enable less verbose build rules; with the default set to DEFAULT
2980	# (`yes' being less verbose, `no' or empty being verbose).
2981	AC_DEFUN([AM_SILENT_RULES],
2982	[AC_ARG_ENABLE([silent-rules],
2983	[ --enable-silent-rules less verbose build output (undo: `make V=1')
2984	--disable-silent-rules verbose build output (undo: `make V=0')])
2985	case $enable_silent_rules in
2986	yes) AM_DEFAULT_VERBOSITY=0;;
2987	no) AM_DEFAULT_VERBOSITY=1;;
2988	*) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
2989	esac
2990	AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
2991	AM_BACKSLASH='\'
2992	AC_SUBST([AM_BACKSLASH])dnl
2993	_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
2994	])
2995
2996	# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
2997	#
2998	# This file is free software; the Free Software Foundation
2999	# gives unlimited permission to copy and/or distribute it,
3000	# with or without modifications, as long as this notice is preserved.
3001
3002	# AM_PROG_INSTALL_STRIP
3003	# ---------------------
3004	# One issue with vendor `install' (even GNU) is that you can't
3005	# specify the program used to strip binaries. This is especially
3006	# annoying in cross-compiling environments, where the build's strip
3007	# is unlikely to handle the host's binaries.
3008	# Fortunately install-sh will honor a STRIPPROG variable, so we
3009	# always use install-sh in `make install-strip', and initialize
3010	# STRIPPROG with the value of the STRIP variable (set by the user).
3011	AC_DEFUN([AM_PROG_INSTALL_STRIP],
3012	[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
3013	# Installed binaries are usually stripped using `strip' when the user
3014	# run `make install-strip'. However `strip' might not be the right
3015	# tool to use in cross-compilation environments, therefore Automake
3016	# will honor the `STRIP' environment variable to overrule this program.
3017	dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
3018	if test "$cross_compiling" != no; then
3019	AC_CHECK_TOOL([STRIP], [strip], :)
3020	fi
3021	INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
3022	AC_SUBST([INSTALL_STRIP_PROGRAM])])
3023
3024	# Copyright (C) 2006, 2008 Free Software Foundation, Inc.
3025	#
3026	# This file is free software; the Free Software Foundation
3027	# gives unlimited permission to copy and/or distribute it,
3028	# with or without modifications, as long as this notice is preserved.
3029
3030	# serial 2
3031
3032	# _AM_SUBST_NOTMAKE(VARIABLE)
3033	# ---------------------------
3034	# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
3035	# This macro is traced by Automake.
3036	AC_DEFUN([_AM_SUBST_NOTMAKE])
3037
3038	# AM_SUBST_NOTMAKE(VARIABLE)
3039	# ---------------------------
3040	# Public sister of _AM_SUBST_NOTMAKE.
3041	AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
3042
3043	# Check how to create a tarball. -- Autoconf --
3044
3045	# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
3046	#
3047	# This file is free software; the Free Software Foundation
3048	# gives unlimited permission to copy and/or distribute it,
3049	# with or without modifications, as long as this notice is preserved.
3050
3051	# serial 2
3052
3053	# _AM_PROG_TAR(FORMAT)
3054	# --------------------
3055	# Check how to create a tarball in format FORMAT.
3056	# FORMAT should be one of `v7', `ustar', or `pax'.
3057	#
3058	# Substitute a variable $(am__tar) that is a command
3059	# writing to stdout a FORMAT-tarball containing the directory
3060	# $tardir.
3061	# tardir=directory && $(am__tar) > result.tar
3062	#
3063	# Substitute a variable $(am__untar) that extract such
3064	# a tarball read from stdin.
3065	# $(am__untar) < result.tar
3066	AC_DEFUN([_AM_PROG_TAR],
3067	[# Always define AMTAR for backward compatibility.
3068	AM_MISSING_PROG([AMTAR], [tar])
3069	m4_if([$1], [v7],
3070	[am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
3071	[m4_case([$1], [ustar],, [pax],,
3072	[m4_fatal([Unknown tar format])])
3073	AC_MSG_CHECKING([how to create a $1 tar archive])
3074	# Loop over all known methods to create a tar archive until one works.
3075	_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
3076	_am_tools=${am_cv_prog_tar_$1-$_am_tools}
3077	# Do not fold the above two line into one, because Tru64 sh and
3078	# Solaris sh will not grok spaces in the rhs of `-'.
3079	for _am_tool in $_am_tools
3080	do
3081	case $_am_tool in
3082	gnutar)
3083	for _am_tar in tar gnutar gtar;
3084	do
3085	AM_RUN_LOG([$_am_tar --version]) && break
3086	done
3087	am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
3088	am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
3089	am__untar="$_am_tar -xf -"
3090	;;
3091	plaintar)
3092	# Must skip GNU tar: if it does not support --format= it doesn't create
3093	# ustar tarball either.
3094	(tar --version) >/dev/null 2>&1 && continue
3095	am__tar='tar chf - "$$tardir"'
3096	am__tar_='tar chf - "$tardir"'
3097	am__untar='tar xf -'
3098	;;
3099	pax)
3100	am__tar='pax -L -x $1 -w "$$tardir"'
3101	am__tar_='pax -L -x $1 -w "$tardir"'
3102	am__untar='pax -r'
3103	;;
3104	cpio)
3105	am__tar='find "$$tardir" -print \| cpio -o -H $1 -L'
3106	am__tar_='find "$tardir" -print \| cpio -o -H $1 -L'
3107	am__untar='cpio -i -H $1 -d'
3108	;;
3109	none)
3110	am__tar=false
3111	am__tar_=false
3112	am__untar=false
3113	;;
3114	esac
3115
3116	# If the value was cached, stop now. We just wanted to have am__tar
3117	# and am__untar set.
3118	test -n "${am_cv_prog_tar_$1}" && break
3119
3120	# tar/untar a dummy directory, and stop if the command works
3121	rm -rf conftest.dir
3122	mkdir conftest.dir
3123	echo GrepMe > conftest.dir/file
3124	AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
3125	rm -rf conftest.dir
3126	if test -s conftest.tar; then
3127	AM_RUN_LOG([$am__untar <conftest.tar])
3128	grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
3129	fi
3130	done
3131	rm -rf conftest.dir
3132
3133	AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
3134	AC_MSG_RESULT([$am_cv_prog_tar_$1])])
3135	AC_SUBST([am__tar])
3136	AC_SUBST([am__untar])
3137	]) # _AM_PROG_TAR
3138
3139	m4_include([.macro_dir/ac_check_class.m4])
3140	m4_include([.macro_dir/ac_check_cpp.m4])
3141	m4_include([.macro_dir/ac_check_package.m4])
3142	m4_include([.macro_dir/ac_check_readline.m4])
3143	m4_include([.macro_dir/ac_find_motif.m4])
3144	m4_include([.macro_dir/ax_cxx_compile_stdcxx_0x.m4])
3145	m4_include([.macro_dir/libtool.m4])
3146	m4_include([.macro_dir/ltoptions.m4])
3147	m4_include([.macro_dir/ltsugar.m4])
3148	m4_include([.macro_dir/ltversion.m4])
3149	m4_include([.macro_dir/lt~obsolete.m4])
3150	m4_include([.macro_dir/mysql++_devel.m4])
3151	m4_include([.macro_dir/mysql_devel.m4])
3152	m4_include([.macro_dir/qt4_do_it_all.m4])
3153	m4_include([.macro_dir/root_path.m4])

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