aclocal.m4@ 95281

最後變更在這個檔案從95281是 75443,由 vboxsync 提交於 6 年前
Exported Mesa related code to OSE.
屬性 svn:eol-style 設為 `LF`
檔案大小: 54.9 KB

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1	# generated automatically by aclocal 1.15.1 -- Autoconf --
2
3	# Copyright (C) 1996-2017 Free Software Foundation, Inc.
4
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_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
15	m4_ifndef([AC_AUTOCONF_VERSION],
16	[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
17	m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
18	[m4_warning([this file was generated for autoconf 2.69.
19	You have another version of autoconf. It may work, but is not guaranteed to.
20	If you have problems, you may need to regenerate the build system entirely.
21	To do so, use the procedure documented by the package, typically 'autoreconf'.])])
22
23	dnl pkg.m4 - Macros to locate and utilise pkg-config. -- Autoconf --
24	dnl serial 11 (pkg-config-0.29)
25	dnl
26	dnl Copyright © 2004 Scott James Remnant <[email protected]>.
27	dnl Copyright © 2012-2015 Dan Nicholson <[email protected]>
28	dnl
29	dnl This program is free software; you can redistribute it and/or modify
30	dnl it under the terms of the GNU General Public License as published by
31	dnl the Free Software Foundation; either version 2 of the License, or
32	dnl (at your option) any later version.
33	dnl
34	dnl This program is distributed in the hope that it will be useful, but
35	dnl WITHOUT ANY WARRANTY; without even the implied warranty of
36	dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
37	dnl General Public License for more details.
38	dnl
39	dnl You should have received a copy of the GNU General Public License
40	dnl along with this program; if not, write to the Free Software
41	dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
42	dnl 02111-1307, USA.
43	dnl
44	dnl As a special exception to the GNU General Public License, if you
45	dnl distribute this file as part of a program that contains a
46	dnl configuration script generated by Autoconf, you may include it under
47	dnl the same distribution terms that you use for the rest of that
48	dnl program.
49
50	dnl PKG_PREREQ(MIN-VERSION)
51	dnl -----------------------
52	dnl Since: 0.29
53	dnl
54	dnl Verify that the version of the pkg-config macros are at least
55	dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
56	dnl installed version of pkg-config, this checks the developer's version
57	dnl of pkg.m4 when generating configure.
58	dnl
59	dnl To ensure that this macro is defined, also add:
60	dnl m4_ifndef([PKG_PREREQ],
61	dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])])
62	dnl
63	dnl See the "Since" comment for each macro you use to see what version
64	dnl of the macros you require.
65	m4_defun([PKG_PREREQ],
66	[m4_define([PKG_MACROS_VERSION], [0.29])
67	m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
68	[m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
69	])dnl PKG_PREREQ
70
71	dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
72	dnl ----------------------------------
73	dnl Since: 0.16
74	dnl
75	dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
76	dnl first found in the path. Checks that the version of pkg-config found
77	dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
78	dnl used since that's the first version where most current features of
79	dnl pkg-config existed.
80	AC_DEFUN([PKG_PROG_PKG_CONFIG],
81	[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
82	m4_pattern_allow([^PKG_CONFIG(_(PATH\|LIBDIR\|SYSROOT_DIR\|ALLOW_SYSTEM_(CFLAGS\|LIBS)))?$])
83	m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED\|TOP_BUILD_DIR\|DEBUG_SPEW)$])
84	AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
85	AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
86	AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
87
88	if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
89	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
90	fi
91	if test -n "$PKG_CONFIG"; then
92	_pkg_min_version=m4_default([$1], [0.9.0])
93	AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
94	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
95	AC_MSG_RESULT([yes])
96	else
97	AC_MSG_RESULT([no])
98	PKG_CONFIG=""
99	fi
100	fi[]dnl
101	])dnl PKG_PROG_PKG_CONFIG
102
103	dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
104	dnl -------------------------------------------------------------------
105	dnl Since: 0.18
106	dnl
107	dnl Check to see whether a particular set of modules exists. Similar to
108	dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
109	dnl
110	dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
111	dnl only at the first occurence in configure.ac, so if the first place
112	dnl it's called might be skipped (such as if it is within an "if", you
113	dnl have to call PKG_CHECK_EXISTS manually
114	AC_DEFUN([PKG_CHECK_EXISTS],
115	[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
116	if test -n "$PKG_CONFIG" && \
117	AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
118	m4_default([$2], [:])
119	m4_ifvaln([$3], [else
120	$3])dnl
121	fi])
122
123	dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
124	dnl ---------------------------------------------
125	dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting
126	dnl pkg_failed based on the result.
127	m4_define([_PKG_CONFIG],
128	[if test -n "$$1"; then
129	pkg_cv_[]$1="$$1"
130	elif test -n "$PKG_CONFIG"; then
131	PKG_CHECK_EXISTS([$3],
132	[pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
133	test "x$?" != "x0" && pkg_failed=yes ],
134	[pkg_failed=yes])
135	else
136	pkg_failed=untried
137	fi[]dnl
138	])dnl _PKG_CONFIG
139
140	dnl _PKG_SHORT_ERRORS_SUPPORTED
141	dnl ---------------------------
142	dnl Internal check to see if pkg-config supports short errors.
143	AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
144	[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
145	if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
146	_pkg_short_errors_supported=yes
147	else
148	_pkg_short_errors_supported=no
149	fi[]dnl
150	])dnl _PKG_SHORT_ERRORS_SUPPORTED
151
152
153	dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
154	dnl [ACTION-IF-NOT-FOUND])
155	dnl --------------------------------------------------------------
156	dnl Since: 0.4.0
157	dnl
158	dnl Note that if there is a possibility the first call to
159	dnl PKG_CHECK_MODULES might not happen, you should be sure to include an
160	dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
161	AC_DEFUN([PKG_CHECK_MODULES],
162	[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
163	AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
164	AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
165
166	pkg_failed=no
167	AC_MSG_CHECKING([for $1])
168
169	_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
170	_PKG_CONFIG([$1][_LIBS], [libs], [$2])
171
172	m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
173	and $1[]_LIBS to avoid the need to call pkg-config.
174	See the pkg-config man page for more details.])
175
176	if test $pkg_failed = yes; then
177	AC_MSG_RESULT([no])
178	_PKG_SHORT_ERRORS_SUPPORTED
179	if test $_pkg_short_errors_supported = yes; then
180	$1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
181	else
182	$1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
183	fi
184	# Put the nasty error message in config.log where it belongs
185	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
186
187	m4_default([$4], [AC_MSG_ERROR(
188	[Package requirements ($2) were not met:
189
190	$$1_PKG_ERRORS
191
192	Consider adjusting the PKG_CONFIG_PATH environment variable if you
193	installed software in a non-standard prefix.
194
195	_PKG_TEXT])[]dnl
196	])
197	elif test $pkg_failed = untried; then
198	AC_MSG_RESULT([no])
199	m4_default([$4], [AC_MSG_FAILURE(
200	[The pkg-config script could not be found or is too old. Make sure it
201	is in your PATH or set the PKG_CONFIG environment variable to the full
202	path to pkg-config.
203
204	_PKG_TEXT
205
206	To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
207	])
208	else
209	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
210	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
211	AC_MSG_RESULT([yes])
212	$3
213	fi[]dnl
214	])dnl PKG_CHECK_MODULES
215
216
217	dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
218	dnl [ACTION-IF-NOT-FOUND])
219	dnl ---------------------------------------------------------------------
220	dnl Since: 0.29
221	dnl
222	dnl Checks for existence of MODULES and gathers its build flags with
223	dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
224	dnl and VARIABLE-PREFIX_LIBS from --libs.
225	dnl
226	dnl Note that if there is a possibility the first call to
227	dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
228	dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
229	dnl configure.ac.
230	AC_DEFUN([PKG_CHECK_MODULES_STATIC],
231	[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
232	_save_PKG_CONFIG=$PKG_CONFIG
233	PKG_CONFIG="$PKG_CONFIG --static"
234	PKG_CHECK_MODULES($@)
235	PKG_CONFIG=$_save_PKG_CONFIG[]dnl
236	])dnl PKG_CHECK_MODULES_STATIC
237
238
239	dnl PKG_INSTALLDIR([DIRECTORY])
240	dnl -------------------------
241	dnl Since: 0.27
242	dnl
243	dnl Substitutes the variable pkgconfigdir as the location where a module
244	dnl should install pkg-config .pc files. By default the directory is
245	dnl $libdir/pkgconfig, but the default can be changed by passing
246	dnl DIRECTORY. The user can override through the --with-pkgconfigdir
247	dnl parameter.
248	AC_DEFUN([PKG_INSTALLDIR],
249	[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
250	m4_pushdef([pkg_description],
251	[pkg-config installation directory @<:@]pkg_default[@:>@])
252	AC_ARG_WITH([pkgconfigdir],
253	[AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
254	[with_pkgconfigdir=]pkg_default)
255	AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
256	m4_popdef([pkg_default])
257	m4_popdef([pkg_description])
258	])dnl PKG_INSTALLDIR
259
260
261	dnl PKG_NOARCH_INSTALLDIR([DIRECTORY])
262	dnl --------------------------------
263	dnl Since: 0.27
264	dnl
265	dnl Substitutes the variable noarch_pkgconfigdir as the location where a
266	dnl module should install arch-independent pkg-config .pc files. By
267	dnl default the directory is $datadir/pkgconfig, but the default can be
268	dnl changed by passing DIRECTORY. The user can override through the
269	dnl --with-noarch-pkgconfigdir parameter.
270	AC_DEFUN([PKG_NOARCH_INSTALLDIR],
271	[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
272	m4_pushdef([pkg_description],
273	[pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
274	AC_ARG_WITH([noarch-pkgconfigdir],
275	[AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
276	[with_noarch_pkgconfigdir=]pkg_default)
277	AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
278	m4_popdef([pkg_default])
279	m4_popdef([pkg_description])
280	])dnl PKG_NOARCH_INSTALLDIR
281
282
283	dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
284	dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
285	dnl -------------------------------------------
286	dnl Since: 0.28
287	dnl
288	dnl Retrieves the value of the pkg-config variable for the given module.
289	AC_DEFUN([PKG_CHECK_VAR],
290	[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
291	AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
292
293	_PKG_CONFIG([$1], [variable="][$3]["], [$2])
294	AS_VAR_COPY([$1], [pkg_cv_][$1])
295
296	AS_VAR_IF([$1], [""], [$5], [$4])dnl
297	])dnl PKG_CHECK_VAR
298
299	# Copyright (C) 2002-2017 Free Software Foundation, Inc.
300	#
301	# This file is free software; the Free Software Foundation
302	# gives unlimited permission to copy and/or distribute it,
303	# with or without modifications, as long as this notice is preserved.
304
305	# AM_AUTOMAKE_VERSION(VERSION)
306	# ----------------------------
307	# Automake X.Y traces this macro to ensure aclocal.m4 has been
308	# generated from the m4 files accompanying Automake X.Y.
309	# (This private macro should not be called outside this file.)
310	AC_DEFUN([AM_AUTOMAKE_VERSION],
311	[am__api_version='1.15'
312	dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
313	dnl require some minimum version. Point them to the right macro.
314	m4_if([$1], [1.15.1], [],
315	[AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
316	])
317
318	# _AM_AUTOCONF_VERSION(VERSION)
319	# -----------------------------
320	# aclocal traces this macro to find the Autoconf version.
321	# This is a private macro too. Using m4_define simplifies
322	# the logic in aclocal, which can simply ignore this definition.
323	m4_define([_AM_AUTOCONF_VERSION], [])
324
325	# AM_SET_CURRENT_AUTOMAKE_VERSION
326	# -------------------------------
327	# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
328	# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
329	AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
330	[AM_AUTOMAKE_VERSION([1.15.1])dnl
331	m4_ifndef([AC_AUTOCONF_VERSION],
332	[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
333	_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
334
335	# Copyright (C) 2011-2017 Free Software Foundation, Inc.
336	#
337	# This file is free software; the Free Software Foundation
338	# gives unlimited permission to copy and/or distribute it,
339	# with or without modifications, as long as this notice is preserved.
340
341	# AM_PROG_AR([ACT-IF-FAIL])
342	# -------------------------
343	# Try to determine the archiver interface, and trigger the ar-lib wrapper
344	# if it is needed. If the detection of archiver interface fails, run
345	# ACT-IF-FAIL (default is to abort configure with a proper error message).
346	AC_DEFUN([AM_PROG_AR],
347	[AC_BEFORE([$0], [LT_INIT])dnl
348	AC_BEFORE([$0], [AC_PROG_LIBTOOL])dnl
349	AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
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354	AC_CACHE_CHECK([the archiver ($AR) interface], [am_cv_ar_interface],
355	[AC_LANG_PUSH([C])
356	am_cv_ar_interface=ar
357	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int some_variable = 0;]])],
358	[am_ar_try='$AR cru libconftest.a conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
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363	am_ar_try='$AR -NOLOGO -OUT:conftest.lib conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
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365	if test "$ac_status" -eq 0; then
366	am_cv_ar_interface=lib
367	else
368	am_cv_ar_interface=unknown
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371	rm -f conftest.lib libconftest.a
372	])
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374
375	case $am_cv_ar_interface in
376	ar)
377	;;
378	lib)
379	# Microsoft lib, so override with the ar-lib wrapper script.
380	# FIXME: It is wrong to rewrite AR.
381	# But if we don't then we get into trouble of one sort or another.
382	# A longer-term fix would be to have automake use am__AR in this case,
383	# and then we could set am__AR="$am_aux_dir/ar-lib \$(AR)" or something
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385	AR="$am_aux_dir/ar-lib $AR"
386	;;
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389	[AC_MSG_ERROR([could not determine $AR interface])])
390	;;
391	esac
392	AC_SUBST([AR])dnl
393	])
394
395	# Figure out how to run the assembler. -- Autoconf --
396
397	# Copyright (C) 2001-2017 Free Software Foundation, Inc.
398	#
399	# This file is free software; the Free Software Foundation
400	# gives unlimited permission to copy and/or distribute it,
401	# with or without modifications, as long as this notice is preserved.
402
403	# AM_PROG_AS
404	# ----------
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409	test "${CCASFLAGS+set}" = set \|\| CCASFLAGS=$CFLAGS
410	AC_ARG_VAR([CCAS], [assembler compiler command (defaults to CC)])
411	AC_ARG_VAR([CCASFLAGS], [assembler compiler flags (defaults to CFLAGS)])
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413	])
414
415	# AM_AUX_DIR_EXPAND -- Autoconf --
416
417	# Copyright (C) 2001-2017 Free Software Foundation, Inc.
418	#
419	# This file is free software; the Free Software Foundation
420	# gives unlimited permission to copy and/or distribute it,
421	# with or without modifications, as long as this notice is preserved.
422
423	# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
424	# $ac_aux_dir to '$srcdir/foo'. In other projects, it is set to
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432	# source directory, any form will work fine, but in subdirectories a
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450	# and then we would define $MISSING as
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452	# This will work as long as MISSING is not called from configure, because
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455	# configure, and could therefore not use this "fixed" $ac_aux_dir.
456	#
457	# Another solution, used here, is to always expand $ac_aux_dir to an
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459	# configured tree to be moved without reconfiguration.
460
461	AC_DEFUN([AM_AUX_DIR_EXPAND],
462	[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
463	# Expand $ac_aux_dir to an absolute path.
464	am_aux_dir=`cd "$ac_aux_dir" && pwd`
465	])
466
467	# AM_CONDITIONAL -- Autoconf --
468
469	# Copyright (C) 1997-2017 Free Software Foundation, Inc.
470	#
471	# This file is free software; the Free Software Foundation
472	# gives unlimited permission to copy and/or distribute it,
473	# with or without modifications, as long as this notice is preserved.
474
475	# AM_CONDITIONAL(NAME, SHELL-CONDITION)
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498	fi])])
499
500	# Copyright (C) 1999-2017 Free Software Foundation, Inc.
501	#
502	# This file is free software; the Free Software Foundation
503	# gives unlimited permission to copy and/or distribute it,
504	# with or without modifications, as long as this notice is preserved.
505
506
507	# There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
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511	# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
512
513
514	# _AM_DEPENDENCIES(NAME)
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516	# See how the compiler implements dependency checking.
517	# NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
518	# We try a few techniques and use that to set a single cache variable.
519	#
520	# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
521	# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
522	# dependency, and given that the user is not expected to run this macro,
523	# just rely on AC_PROG_CC.
524	AC_DEFUN([_AM_DEPENDENCIES],
525	[AC_REQUIRE([AM_SET_DEPDIR])dnl
526	AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
527	AC_REQUIRE([AM_MAKE_INCLUDE])dnl
528	AC_REQUIRE([AM_DEP_TRACK])dnl
529
530	m4_if([$1], [CC], [depcc="$CC" am_compiler_list=],
531	[$1], [CXX], [depcc="$CXX" am_compiler_list=],
532	[$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
533	[$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
534	[$1], [UPC], [depcc="$UPC" am_compiler_list=],
535	[$1], [GCJ], [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
536	[depcc="$$1" am_compiler_list=])
537
538	AC_CACHE_CHECK([dependency style of $depcc],
539	[am_cv_$1_dependencies_compiler_type],
540	[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
541	# We make a subdir and do the tests there. Otherwise we can end up
542	# making bogus files that we don't know about and never remove. For
543	# instance it was reported that on HP-UX the gcc test will end up
544	# making a dummy file named 'D' -- because '-MD' means "put the output
545	# in D".
546	rm -rf conftest.dir
547	mkdir conftest.dir
548	# Copy depcomp to subdir because otherwise we won't find it if we're
549	# using a relative directory.
550	cp "$am_depcomp" conftest.dir
551	cd conftest.dir
552	# We will build objects and dependencies in a subdirectory because
553	# it helps to detect inapplicable dependency modes. For instance
554	# both Tru64's cc and ICC support -MD to output dependencies as a
555	# side effect of compilation, but ICC will put the dependencies in
556	# the current directory while Tru64 will put them in the object
557	# directory.
558	mkdir sub
559
560	am_cv_$1_dependencies_compiler_type=none
561	if test "$am_compiler_list" = ""; then
562	am_compiler_list=`sed -n ['s/^#$[a-zA-Z0-9]$)$/\1/p'] < ./depcomp`
563	fi
564	am__universal=false
565	m4_case([$1], [CC],
566	[case " $depcc " in #(
567	\ -arch\ \ -arch\ *) am__universal=true ;;
568	esac],
569	[CXX],
570	[case " $depcc " in #(
571	\ -arch\ \ -arch\ *) am__universal=true ;;
572	esac])
573
574	for depmode in $am_compiler_list; do
575	# Setup a source with many dependencies, because some compilers
576	# like to wrap large dependency lists on column 80 (with \), and
577	# we should not choose a depcomp mode which is confused by this.
578	#
579	# We need to recreate these files for each test, as the compiler may
580	# overwrite some of them when testing with obscure command lines.
581	# This happens at least with the AIX C compiler.
582	: > sub/conftest.c
583	for i in 1 2 3 4 5 6; do
584	echo '#include "conftst'$i'.h"' >> sub/conftest.c
585	# Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
586	# Solaris 10 /bin/sh.
587	echo '/* dummy */' > sub/conftst$i.h
588	done
589	echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
590
591	# We check with '-c' and '-o' for the sake of the "dashmstdout"
592	# mode. It turns out that the SunPro C++ compiler does not properly
593	# handle '-M -o', and we need to detect this. Also, some Intel
594	# versions had trouble with output in subdirs.
595	am__obj=sub/conftest.${OBJEXT-o}
596	am__minus_obj="-o $am__obj"
597	case $depmode in
598	gcc)
599	# This depmode causes a compiler race in universal mode.
600	test "$am__universal" = false \|\| continue
601	;;
602	nosideeffect)
603	# After this tag, mechanisms are not by side-effect, so they'll
604	# only be used when explicitly requested.
605	if test "x$enable_dependency_tracking" = xyes; then
606	continue
607	else
608	break
609	fi
610	;;
611	msvc7 \| msvc7msys \| msvisualcpp \| msvcmsys)
612	# This compiler won't grok '-c -o', but also, the minuso test has
613	# not run yet. These depmodes are late enough in the game, and
614	# so weak that their functioning should not be impacted.
615	am__obj=conftest.${OBJEXT-o}
616	am__minus_obj=
617	;;
618	none) break ;;
619	esac
620	if depmode=$depmode \
621	source=sub/conftest.c object=$am__obj \
622	depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
623	$SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
624	>/dev/null 2>conftest.err &&
625	grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
626	grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
627	grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
628	${MAKE-make} -s -f confmf > /dev/null 2>&1; then
629	# icc doesn't choke on unknown options, it will just issue warnings
630	# or remarks (even with -Werror). So we grep stderr for any message
631	# that says an option was ignored or not supported.
632	# When given -MP, icc 7.0 and 7.1 complain thusly:
633	# icc: Command line warning: ignoring option '-M'; no argument required
634	# The diagnosis changed in icc 8.0:
635	# icc: Command line remark: option '-MP' not supported
636	if (grep 'ignoring option' conftest.err \|\|
637	grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
638	am_cv_$1_dependencies_compiler_type=$depmode
639	break
640	fi
641	fi
642	done
643
644	cd ..
645	rm -rf conftest.dir
646	else
647	am_cv_$1_dependencies_compiler_type=none
648	fi
649	])
650	AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
651	AM_CONDITIONAL([am__fastdep$1], [
652	test "x$enable_dependency_tracking" != xno \
653	&& test "$am_cv_$1_dependencies_compiler_type" = gcc3])
654	])
655
656
657	# AM_SET_DEPDIR
658	# -------------
659	# Choose a directory name for dependency files.
660	# This macro is AC_REQUIREd in _AM_DEPENDENCIES.
661	AC_DEFUN([AM_SET_DEPDIR],
662	[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
663	AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
664	])
665
666
667	# AM_DEP_TRACK
668	# ------------
669	AC_DEFUN([AM_DEP_TRACK],
670	[AC_ARG_ENABLE([dependency-tracking], [dnl
671	AS_HELP_STRING(
672	[--enable-dependency-tracking],
673	[do not reject slow dependency extractors])
674	AS_HELP_STRING(
675	[--disable-dependency-tracking],
676	[speeds up one-time build])])
677	if test "x$enable_dependency_tracking" != xno; then
678	am_depcomp="$ac_aux_dir/depcomp"
679	AMDEPBACKSLASH='\'
680	am__nodep='_no'
681	fi
682	AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
683	AC_SUBST([AMDEPBACKSLASH])dnl
684	_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
685	AC_SUBST([am__nodep])dnl
686	_AM_SUBST_NOTMAKE([am__nodep])dnl
687	])
688
689	# Generate code to set up dependency tracking. -- Autoconf --
690
691	# Copyright (C) 1999-2017 Free Software Foundation, Inc.
692	#
693	# This file is free software; the Free Software Foundation
694	# gives unlimited permission to copy and/or distribute it,
695	# with or without modifications, as long as this notice is preserved.
696
697
698	# _AM_OUTPUT_DEPENDENCY_COMMANDS
699	# ------------------------------
700	AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
701	[{
702	# Older Autoconf quotes --file arguments for eval, but not when files
703	# are listed without --file. Let's play safe and only enable the eval
704	# if we detect the quoting.
705	case $CONFIG_FILES in
706	\') eval set x "$CONFIG_FILES" ;;
707	*) set x $CONFIG_FILES ;;
708	esac
709	shift
710	for mf
711	do
712	# Strip MF so we end up with the name of the file.
713	mf=`echo "$mf" \| sed -e 's/:.*$//'`
714	# Check whether this is an Automake generated Makefile or not.
715	# We used to match only the files named 'Makefile.in', but
716	# some people rename them; so instead we look at the file content.
717	# Grep'ing the first line is not enough: some people post-process
718	# each Makefile.in and add a new line on top of each file to say so.
719	# Grep'ing the whole file is not good either: AIX grep has a line
720	# limit of 2048, but all sed's we know have understand at least 4000.
721	if sed -n 's,^#.generated by automake.,X,p' "$mf" \| grep X >/dev/null 2>&1; then
722	dirpart=`AS_DIRNAME("$mf")`
723	else
724	continue
725	fi
726	# Extract the definition of DEPDIR, am__include, and am__quote
727	# from the Makefile without running 'make'.
728	DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
729	test -z "$DEPDIR" && continue
730	am__include=`sed -n 's/^am__include = //p' < "$mf"`
731	test -z "$am__include" && continue
732	am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
733	# Find all dependency output files, they are included files with
734	# $(DEPDIR) in their names. We invoke sed twice because it is the
735	# simplest approach to changing $(DEPDIR) to its actual value in the
736	# expansion.
737	for file in `sed -n "
738	s/^$am__include $am__quote$.(DEPDIR).$$am__quote"'$/\1/p' <"$mf" \| \
739	sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
740	# Make sure the directory exists.
741	test -f "$dirpart/$file" && continue
742	fdir=`AS_DIRNAME(["$file"])`
743	AS_MKDIR_P([$dirpart/$fdir])
744	# echo "creating $dirpart/$file"
745	echo '# dummy' > "$dirpart/$file"
746	done
747	done
748	}
749	])# _AM_OUTPUT_DEPENDENCY_COMMANDS
750
751
752	# AM_OUTPUT_DEPENDENCY_COMMANDS
753	# -----------------------------
754	# This macro should only be invoked once -- use via AC_REQUIRE.
755	#
756	# This code is only required when automatic dependency tracking
757	# is enabled. FIXME. This creates each '.P' file that we will
758	# need in order to bootstrap the dependency handling code.
759	AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
760	[AC_CONFIG_COMMANDS([depfiles],
761	[test x"$AMDEP_TRUE" != x"" \|\| _AM_OUTPUT_DEPENDENCY_COMMANDS],
762	[AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
763	])
764
765	# Do all the work for Automake. -- Autoconf --
766
767	# Copyright (C) 1996-2017 Free Software Foundation, Inc.
768	#
769	# This file is free software; the Free Software Foundation
770	# gives unlimited permission to copy and/or distribute it,
771	# with or without modifications, as long as this notice is preserved.
772
773	# This macro actually does too much. Some checks are only needed if
774	# your package does certain things. But this isn't really a big deal.
775
776	dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
777	m4_define([AC_PROG_CC],
778	m4_defn([AC_PROG_CC])
779	[_AM_PROG_CC_C_O
780	])
781
782	# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
783	# AM_INIT_AUTOMAKE([OPTIONS])
784	# -----------------------------------------------
785	# The call with PACKAGE and VERSION arguments is the old style
786	# call (pre autoconf-2.50), which is being phased out. PACKAGE
787	# and VERSION should now be passed to AC_INIT and removed from
788	# the call to AM_INIT_AUTOMAKE.
789	# We support both call styles for the transition. After
790	# the next Automake release, Autoconf can make the AC_INIT
791	# arguments mandatory, and then we can depend on a new Autoconf
792	# release and drop the old call support.
793	AC_DEFUN([AM_INIT_AUTOMAKE],
794	[AC_PREREQ([2.65])dnl
795	dnl Autoconf wants to disallow AM_ names. We explicitly allow
796	dnl the ones we care about.
797	m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
798	AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
799	AC_REQUIRE([AC_PROG_INSTALL])dnl
800	if test "`cd $srcdir && pwd`" != "`pwd`"; then
801	# Use -I$(srcdir) only when $(srcdir) != ., so that make's output
802	# is not polluted with repeated "-I."
803	AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
804	# test to see if srcdir already configured
805	if test -f $srcdir/config.status; then
806	AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
807	fi
808	fi
809
810	# test whether we have cygpath
811	if test -z "$CYGPATH_W"; then
812	if (cygpath --version) >/dev/null 2>/dev/null; then
813	CYGPATH_W='cygpath -w'
814	else
815	CYGPATH_W=echo
816	fi
817	fi
818	AC_SUBST([CYGPATH_W])
819
820	# Define the identity of the package.
821	dnl Distinguish between old-style and new-style calls.
822	m4_ifval([$2],
823	[AC_DIAGNOSE([obsolete],
824	[$0: two- and three-arguments forms are deprecated.])
825	m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
826	AC_SUBST([PACKAGE], [$1])dnl
827	AC_SUBST([VERSION], [$2])],
828	[_AM_SET_OPTIONS([$1])dnl
829	dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
830	m4_if(
831	m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
832	[ok:ok],,
833	[m4_fatal([AC_INIT should be called with package and version arguments])])dnl
834	AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
835	AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
836
837	_AM_IF_OPTION([no-define],,
838	[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
839	AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
840
841	# Some tools Automake needs.
842	AC_REQUIRE([AM_SANITY_CHECK])dnl
843	AC_REQUIRE([AC_ARG_PROGRAM])dnl
844	AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
845	AM_MISSING_PROG([AUTOCONF], [autoconf])
846	AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
847	AM_MISSING_PROG([AUTOHEADER], [autoheader])
848	AM_MISSING_PROG([MAKEINFO], [makeinfo])
849	AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
850	AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
851	AC_REQUIRE([AC_PROG_MKDIR_P])dnl
852	# For better backward compatibility. To be removed once Automake 1.9.x
853	# dies out for good. For more background, see:
854	# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
855	# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
856	AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
857	# We need awk for the "check" target (and possibly the TAP driver). The
858	# system "awk" is bad on some platforms.
859	AC_REQUIRE([AC_PROG_AWK])dnl
860	AC_REQUIRE([AC_PROG_MAKE_SET])dnl
861	AC_REQUIRE([AM_SET_LEADING_DOT])dnl
862	_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
863	[_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
864	[_AM_PROG_TAR([v7])])])
865	_AM_IF_OPTION([no-dependencies],,
866	[AC_PROVIDE_IFELSE([AC_PROG_CC],
867	[_AM_DEPENDENCIES([CC])],
868	[m4_define([AC_PROG_CC],
869	m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
870	AC_PROVIDE_IFELSE([AC_PROG_CXX],
871	[_AM_DEPENDENCIES([CXX])],
872	[m4_define([AC_PROG_CXX],
873	m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
874	AC_PROVIDE_IFELSE([AC_PROG_OBJC],
875	[_AM_DEPENDENCIES([OBJC])],
876	[m4_define([AC_PROG_OBJC],
877	m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
878	AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
879	[_AM_DEPENDENCIES([OBJCXX])],
880	[m4_define([AC_PROG_OBJCXX],
881	m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
882	])
883	AC_REQUIRE([AM_SILENT_RULES])dnl
884	dnl The testsuite driver may need to know about EXEEXT, so add the
885	dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This
886	dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
887	AC_CONFIG_COMMANDS_PRE(dnl
888	[m4_provide_if([_AM_COMPILER_EXEEXT],
889	[AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
890
891	# POSIX will say in a future version that running "rm -f" with no argument
892	# is OK; and we want to be able to make that assumption in our Makefile
893	# recipes. So use an aggressive probe to check that the usage we want is
894	# actually supported "in the wild" to an acceptable degree.
895	# See automake bug#10828.
896	# To make any issue more visible, cause the running configure to be aborted
897	# by default if the 'rm' program in use doesn't match our expectations; the
898	# user can still override this though.
899	if rm -f && rm -fr && rm -rf; then : OK; else
900	cat >&2 <<'END'
901	Oops!
902
903	Your 'rm' program seems unable to run without file operands specified
904	on the command line, even when the '-f' option is present. This is contrary
905	to the behaviour of most rm programs out there, and not conforming with
906	the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
907
908	Please tell [email protected] about your system, including the value
909	of your $PATH and any error possibly output before this message. This
910	can help us improve future automake versions.
911
912	END
913	if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
914	echo 'Configuration will proceed anyway, since you have set the' >&2
915	echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
916	echo >&2
917	else
918	cat >&2 <<'END'
919	Aborting the configuration process, to ensure you take notice of the issue.
920
921	You can download and install GNU coreutils to get an 'rm' implementation
922	that behaves properly: <http://www.gnu.org/software/coreutils/>.
923
924	If you want to complete the configuration process using your problematic
925	'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
926	to "yes", and re-run configure.
927
928	END
929	AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
930	fi
931	fi
932	dnl The trailing newline in this macro's definition is deliberate, for
933	dnl backward compatibility and to allow trailing 'dnl'-style comments
934	dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
935	])
936
937	dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
938	dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
939	dnl mangled by Autoconf and run in a shell conditional statement.
940	m4_define([_AC_COMPILER_EXEEXT],
941	m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
942
943	# When config.status generates a header, we must update the stamp-h file.
944	# This file resides in the same directory as the config header
945	# that is generated. The stamp files are numbered to have different names.
946
947	# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
948	# loop where config.status creates the headers, so we can generate
949	# our stamp files there.
950	AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
951	[# Compute $1's index in $config_headers.
952	_am_arg=$1
953	_am_stamp_count=1
954	for _am_header in $config_headers :; do
955	case $_am_header in
956	$_am_arg \| $_am_arg:* )
957	break ;;
958	* )
959	_am_stamp_count=`expr $_am_stamp_count + 1` ;;
960	esac
961	done
962	echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
963
964	# Copyright (C) 2001-2017 Free Software Foundation, Inc.
965	#
966	# This file is free software; the Free Software Foundation
967	# gives unlimited permission to copy and/or distribute it,
968	# with or without modifications, as long as this notice is preserved.
969
970	# AM_PROG_INSTALL_SH
971	# ------------------
972	# Define $install_sh.
973	AC_DEFUN([AM_PROG_INSTALL_SH],
974	[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
975	if test x"${install_sh+set}" != xset; then
976	case $am_aux_dir in
977	\ \| \ )
978	install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
979	*)
980	install_sh="\${SHELL} $am_aux_dir/install-sh"
981	esac
982	fi
983	AC_SUBST([install_sh])])
984
985	# Copyright (C) 2003-2017 Free Software Foundation, Inc.
986	#
987	# This file is free software; the Free Software Foundation
988	# gives unlimited permission to copy and/or distribute it,
989	# with or without modifications, as long as this notice is preserved.
990
991	# Check whether the underlying file-system supports filenames
992	# with a leading dot. For instance MS-DOS doesn't.
993	AC_DEFUN([AM_SET_LEADING_DOT],
994	[rm -rf .tst 2>/dev/null
995	mkdir .tst 2>/dev/null
996	if test -d .tst; then
997	am__leading_dot=.
998	else
999	am__leading_dot=_
1000	fi
1001	rmdir .tst 2>/dev/null
1002	AC_SUBST([am__leading_dot])])
1003
1004	# Copyright (C) 1998-2017 Free Software Foundation, Inc.
1005	#
1006	# This file is free software; the Free Software Foundation
1007	# gives unlimited permission to copy and/or distribute it,
1008	# with or without modifications, as long as this notice is preserved.
1009
1010	# AM_PROG_LEX
1011	# -----------
1012	# Autoconf leaves LEX=: if lex or flex can't be found. Change that to a
1013	# "missing" invocation, for better error output.
1014	AC_DEFUN([AM_PROG_LEX],
1015	[AC_PREREQ([2.50])dnl
1016	AC_REQUIRE([AM_MISSING_HAS_RUN])dnl
1017	AC_REQUIRE([AC_PROG_LEX])dnl
1018	if test "$LEX" = :; then
1019	LEX=${am_missing_run}flex
1020	fi])
1021
1022	# Check to see how 'make' treats includes. -- Autoconf --
1023
1024	# Copyright (C) 2001-2017 Free Software Foundation, Inc.
1025	#
1026	# This file is free software; the Free Software Foundation
1027	# gives unlimited permission to copy and/or distribute it,
1028	# with or without modifications, as long as this notice is preserved.
1029
1030	# AM_MAKE_INCLUDE()
1031	# -----------------
1032	# Check to see how make treats includes.
1033	AC_DEFUN([AM_MAKE_INCLUDE],
1034	[am_make=${MAKE-make}
1035	cat > confinc << 'END'
1036	am__doit:
1037	@echo this is the am__doit target
1038	.PHONY: am__doit
1039	END
1040	# If we don't find an include directive, just comment out the code.
1041	AC_MSG_CHECKING([for style of include used by $am_make])
1042	am__include="#"
1043	am__quote=
1044	_am_result=none
1045	# First try GNU make style include.
1046	echo "include confinc" > confmf
1047	# Ignore all kinds of additional output from 'make'.
1048	case `$am_make -s -f confmf 2> /dev/null` in #(
1049	the\ am__doit\ target)
1050	am__include=include
1051	am__quote=
1052	_am_result=GNU
1053	;;
1054	esac
1055	# Now try BSD make style include.
1056	if test "$am__include" = "#"; then
1057	echo '.include "confinc"' > confmf
1058	case `$am_make -s -f confmf 2> /dev/null` in #(
1059	the\ am__doit\ target)
1060	am__include=.include
1061	am__quote="\""
1062	_am_result=BSD
1063	;;
1064	esac
1065	fi
1066	AC_SUBST([am__include])
1067	AC_SUBST([am__quote])
1068	AC_MSG_RESULT([$_am_result])
1069	rm -f confinc confmf
1070	])
1071
1072	# Fake the existence of programs that GNU maintainers use. -- Autoconf --
1073
1074	# Copyright (C) 1997-2017 Free Software Foundation, Inc.
1075	#
1076	# This file is free software; the Free Software Foundation
1077	# gives unlimited permission to copy and/or distribute it,
1078	# with or without modifications, as long as this notice is preserved.
1079
1080	# AM_MISSING_PROG(NAME, PROGRAM)
1081	# ------------------------------
1082	AC_DEFUN([AM_MISSING_PROG],
1083	[AC_REQUIRE([AM_MISSING_HAS_RUN])
1084	$1=${$1-"${am_missing_run}$2"}
1085	AC_SUBST($1)])
1086
1087	# AM_MISSING_HAS_RUN
1088	# ------------------
1089	# Define MISSING if not defined so far and test if it is modern enough.
1090	# If it is, set am_missing_run to use it, otherwise, to nothing.
1091	AC_DEFUN([AM_MISSING_HAS_RUN],
1092	[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
1093	AC_REQUIRE_AUX_FILE([missing])dnl
1094	if test x"${MISSING+set}" != xset; then
1095	case $am_aux_dir in
1096	\ \| \ )
1097	MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
1098	*)
1099	MISSING="\${SHELL} $am_aux_dir/missing" ;;
1100	esac
1101	fi
1102	# Use eval to expand $SHELL
1103	if eval "$MISSING --is-lightweight"; then
1104	am_missing_run="$MISSING "
1105	else
1106	am_missing_run=
1107	AC_MSG_WARN(['missing' script is too old or missing])
1108	fi
1109	])
1110
1111	# Helper functions for option handling. -- Autoconf --
1112
1113	# Copyright (C) 2001-2017 Free Software Foundation, Inc.
1114	#
1115	# This file is free software; the Free Software Foundation
1116	# gives unlimited permission to copy and/or distribute it,
1117	# with or without modifications, as long as this notice is preserved.
1118
1119	# _AM_MANGLE_OPTION(NAME)
1120	# -----------------------
1121	AC_DEFUN([_AM_MANGLE_OPTION],
1122	[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
1123
1124	# _AM_SET_OPTION(NAME)
1125	# --------------------
1126	# Set option NAME. Presently that only means defining a flag for this option.
1127	AC_DEFUN([_AM_SET_OPTION],
1128	[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
1129
1130	# _AM_SET_OPTIONS(OPTIONS)
1131	# ------------------------
1132	# OPTIONS is a space-separated list of Automake options.
1133	AC_DEFUN([_AM_SET_OPTIONS],
1134	[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
1135
1136	# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
1137	# -------------------------------------------
1138	# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
1139	AC_DEFUN([_AM_IF_OPTION],
1140	[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
1141
1142	# Copyright (C) 1999-2017 Free Software Foundation, Inc.
1143	#
1144	# This file is free software; the Free Software Foundation
1145	# gives unlimited permission to copy and/or distribute it,
1146	# with or without modifications, as long as this notice is preserved.
1147
1148	# _AM_PROG_CC_C_O
1149	# ---------------
1150	# Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
1151	# to automatically call this.
1152	AC_DEFUN([_AM_PROG_CC_C_O],
1153	[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
1154	AC_REQUIRE_AUX_FILE([compile])dnl
1155	AC_LANG_PUSH([C])dnl
1156	AC_CACHE_CHECK(
1157	[whether $CC understands -c and -o together],
1158	[am_cv_prog_cc_c_o],
1159	[AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
1160	# Make sure it works both with $CC and with simple cc.
1161	# Following AC_PROG_CC_C_O, we do the test twice because some
1162	# compilers refuse to overwrite an existing .o file with -o,
1163	# though they will create one.
1164	am_cv_prog_cc_c_o=yes
1165	for am_i in 1 2; do
1166	if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
1167	&& test -f conftest2.$ac_objext; then
1168	: OK
1169	else
1170	am_cv_prog_cc_c_o=no
1171	break
1172	fi
1173	done
1174	rm -f core conftest*
1175	unset am_i])
1176	if test "$am_cv_prog_cc_c_o" != yes; then
1177	# Losing compiler, so override with the script.
1178	# FIXME: It is wrong to rewrite CC.
1179	# But if we don't then we get into trouble of one sort or another.
1180	# A longer-term fix would be to have automake use am__CC in this case,
1181	# and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
1182	CC="$am_aux_dir/compile $CC"
1183	fi
1184	AC_LANG_POP([C])])
1185
1186	# For backward compatibility.
1187	AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
1188
1189	# Copyright (C) 2001-2017 Free Software Foundation, Inc.
1190	#
1191	# This file is free software; the Free Software Foundation
1192	# gives unlimited permission to copy and/or distribute it,
1193	# with or without modifications, as long as this notice is preserved.
1194
1195	# AM_RUN_LOG(COMMAND)
1196	# -------------------
1197	# Run COMMAND, save the exit status in ac_status, and log it.
1198	# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
1199	AC_DEFUN([AM_RUN_LOG],
1200	[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
1201	($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
1202	ac_status=$?
1203	echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
1204	(exit $ac_status); }])
1205
1206	# Check to make sure that the build environment is sane. -- Autoconf --
1207
1208	# Copyright (C) 1996-2017 Free Software Foundation, Inc.
1209	#
1210	# This file is free software; the Free Software Foundation
1211	# gives unlimited permission to copy and/or distribute it,
1212	# with or without modifications, as long as this notice is preserved.
1213
1214	# AM_SANITY_CHECK
1215	# ---------------
1216	AC_DEFUN([AM_SANITY_CHECK],
1217	[AC_MSG_CHECKING([whether build environment is sane])
1218	# Reject unsafe characters in $srcdir or the absolute working directory
1219	# name. Accept space and tab only in the latter.
1220	am_lf='
1221	'
1222	case `pwd` in
1223	[[\\\"\#\$\&\'\`$am_lf]])
1224	AC_MSG_ERROR([unsafe absolute working directory name]);;
1225	esac
1226	case $srcdir in
1227	[[\\\"\#\$\&\'\`$am_lf\ \ ]])
1228	AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
1229	esac
1230
1231	# Do 'set' in a subshell so we don't clobber the current shell's
1232	# arguments. Must try -L first in case configure is actually a
1233	# symlink; some systems play weird games with the mod time of symlinks
1234	# (eg FreeBSD returns the mod time of the symlink's containing
1235	# directory).
1236	if (
1237	am_has_slept=no
1238	for am_try in 1 2; do
1239	echo "timestamp, slept: $am_has_slept" > conftest.file
1240	set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
1241	if test "$[*]" = "X"; then
1242	# -L didn't work.
1243	set X `ls -t "$srcdir/configure" conftest.file`
1244	fi
1245	if test "$[*]" != "X $srcdir/configure conftest.file" \
1246	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
1247
1248	# If neither matched, then we have a broken ls. This can happen
1249	# if, for instance, CONFIG_SHELL is bash and it inherits a
1250	# broken ls alias from the environment. This has actually
1251	# happened. Such a system could not be considered "sane".
1252	AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
1253	alias in your environment])
1254	fi
1255	if test "$[2]" = conftest.file \|\| test $am_try -eq 2; then
1256	break
1257	fi
1258	# Just in case.
1259	sleep 1
1260	am_has_slept=yes
1261	done
1262	test "$[2]" = conftest.file
1263	)
1264	then
1265	# Ok.
1266	:
1267	else
1268	AC_MSG_ERROR([newly created file is older than distributed files!
1269	Check your system clock])
1270	fi
1271	AC_MSG_RESULT([yes])
1272	# If we didn't sleep, we still need to ensure time stamps of config.status and
1273	# generated files are strictly newer.
1274	am_sleep_pid=
1275	if grep 'slept: no' conftest.file >/dev/null 2>&1; then
1276	( sleep 1 ) &
1277	am_sleep_pid=$!
1278	fi
1279	AC_CONFIG_COMMANDS_PRE(
1280	[AC_MSG_CHECKING([that generated files are newer than configure])
1281	if test -n "$am_sleep_pid"; then
1282	# Hide warnings about reused PIDs.
1283	wait $am_sleep_pid 2>/dev/null
1284	fi
1285	AC_MSG_RESULT([done])])
1286	rm -f conftest.file
1287	])
1288
1289	# Copyright (C) 2009-2017 Free Software Foundation, Inc.
1290	#
1291	# This file is free software; the Free Software Foundation
1292	# gives unlimited permission to copy and/or distribute it,
1293	# with or without modifications, as long as this notice is preserved.
1294
1295	# AM_SILENT_RULES([DEFAULT])
1296	# --------------------------
1297	# Enable less verbose build rules; with the default set to DEFAULT
1298	# ("yes" being less verbose, "no" or empty being verbose).
1299	AC_DEFUN([AM_SILENT_RULES],
1300	[AC_ARG_ENABLE([silent-rules], [dnl
1301	AS_HELP_STRING(
1302	[--enable-silent-rules],
1303	[less verbose build output (undo: "make V=1")])
1304	AS_HELP_STRING(
1305	[--disable-silent-rules],
1306	[verbose build output (undo: "make V=0")])dnl
1307	])
1308	case $enable_silent_rules in @%:@ (((
1309	yes) AM_DEFAULT_VERBOSITY=0;;
1310	no) AM_DEFAULT_VERBOSITY=1;;
1311	*) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
1312	esac
1313	dnl
1314	dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
1315	dnl do not support nested variable expansions.
1316	dnl See automake bug#9928 and bug#10237.
1317	am_make=${MAKE-make}
1318	AC_CACHE_CHECK([whether $am_make supports nested variables],
1319	[am_cv_make_support_nested_variables],
1320	[if AS_ECHO([['TRUE=$(BAR$(V))
1321	BAR0=false
1322	BAR1=true
1323	V=1
1324	am__doit:
1325	@$(TRUE)
1326	.PHONY: am__doit']]) \| $am_make -f - >/dev/null 2>&1; then
1327	am_cv_make_support_nested_variables=yes
1328	else
1329	am_cv_make_support_nested_variables=no
1330	fi])
1331	if test $am_cv_make_support_nested_variables = yes; then
1332	dnl Using '$V' instead of '$(V)' breaks IRIX make.
1333	AM_V='$(V)'
1334	AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
1335	else
1336	AM_V=$AM_DEFAULT_VERBOSITY
1337	AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
1338	fi
1339	AC_SUBST([AM_V])dnl
1340	AM_SUBST_NOTMAKE([AM_V])dnl
1341	AC_SUBST([AM_DEFAULT_V])dnl
1342	AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
1343	AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1344	AM_BACKSLASH='\'
1345	AC_SUBST([AM_BACKSLASH])dnl
1346	_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1347	])
1348
1349	# Copyright (C) 2001-2017 Free Software Foundation, Inc.
1350	#
1351	# This file is free software; the Free Software Foundation
1352	# gives unlimited permission to copy and/or distribute it,
1353	# with or without modifications, as long as this notice is preserved.
1354
1355	# AM_PROG_INSTALL_STRIP
1356	# ---------------------
1357	# One issue with vendor 'install' (even GNU) is that you can't
1358	# specify the program used to strip binaries. This is especially
1359	# annoying in cross-compiling environments, where the build's strip
1360	# is unlikely to handle the host's binaries.
1361	# Fortunately install-sh will honor a STRIPPROG variable, so we
1362	# always use install-sh in "make install-strip", and initialize
1363	# STRIPPROG with the value of the STRIP variable (set by the user).
1364	AC_DEFUN([AM_PROG_INSTALL_STRIP],
1365	[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1366	# Installed binaries are usually stripped using 'strip' when the user
1367	# run "make install-strip". However 'strip' might not be the right
1368	# tool to use in cross-compilation environments, therefore Automake
1369	# will honor the 'STRIP' environment variable to overrule this program.
1370	dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1371	if test "$cross_compiling" != no; then
1372	AC_CHECK_TOOL([STRIP], [strip], :)
1373	fi
1374	INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1375	AC_SUBST([INSTALL_STRIP_PROGRAM])])
1376
1377	# Copyright (C) 2006-2017 Free Software Foundation, Inc.
1378	#
1379	# This file is free software; the Free Software Foundation
1380	# gives unlimited permission to copy and/or distribute it,
1381	# with or without modifications, as long as this notice is preserved.
1382
1383	# _AM_SUBST_NOTMAKE(VARIABLE)
1384	# ---------------------------
1385	# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1386	# This macro is traced by Automake.
1387	AC_DEFUN([_AM_SUBST_NOTMAKE])
1388
1389	# AM_SUBST_NOTMAKE(VARIABLE)
1390	# --------------------------
1391	# Public sister of _AM_SUBST_NOTMAKE.
1392	AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1393
1394	# Check how to create a tarball. -- Autoconf --
1395
1396	# Copyright (C) 2004-2017 Free Software Foundation, Inc.
1397	#
1398	# This file is free software; the Free Software Foundation
1399	# gives unlimited permission to copy and/or distribute it,
1400	# with or without modifications, as long as this notice is preserved.
1401
1402	# _AM_PROG_TAR(FORMAT)
1403	# --------------------
1404	# Check how to create a tarball in format FORMAT.
1405	# FORMAT should be one of 'v7', 'ustar', or 'pax'.
1406	#
1407	# Substitute a variable $(am__tar) that is a command
1408	# writing to stdout a FORMAT-tarball containing the directory
1409	# $tardir.
1410	# tardir=directory && $(am__tar) > result.tar
1411	#
1412	# Substitute a variable $(am__untar) that extract such
1413	# a tarball read from stdin.
1414	# $(am__untar) < result.tar
1415	#
1416	AC_DEFUN([_AM_PROG_TAR],
1417	[# Always define AMTAR for backward compatibility. Yes, it's still used
1418	# in the wild :-( We should find a proper way to deprecate it ...
1419	AC_SUBST([AMTAR], ['$${TAR-tar}'])
1420
1421	# We'll loop over all known methods to create a tar archive until one works.
1422	_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1423
1424	m4_if([$1], [v7],
1425	[am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1426
1427	[m4_case([$1],
1428	[ustar],
1429	[# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1430	# There is notably a 21 bits limit for the UID and the GID. In fact,
1431	# the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1432	# and bug#13588).
1433	am_max_uid=2097151 # 2^21 - 1
1434	am_max_gid=$am_max_uid
1435	# The $UID and $GID variables are not portable, so we need to resort
1436	# to the POSIX-mandated id(1) utility. Errors in the 'id' calls
1437	# below are definitely unexpected, so allow the users to see them
1438	# (that is, avoid stderr redirection).
1439	am_uid=`id -u \|\| echo unknown`
1440	am_gid=`id -g \|\| echo unknown`
1441	AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1442	if test $am_uid -le $am_max_uid; then
1443	AC_MSG_RESULT([yes])
1444	else
1445	AC_MSG_RESULT([no])
1446	_am_tools=none
1447	fi
1448	AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1449	if test $am_gid -le $am_max_gid; then
1450	AC_MSG_RESULT([yes])
1451	else
1452	AC_MSG_RESULT([no])
1453	_am_tools=none
1454	fi],
1455
1456	[pax],
1457	[],
1458
1459	[m4_fatal([Unknown tar format])])
1460
1461	AC_MSG_CHECKING([how to create a $1 tar archive])
1462
1463	# Go ahead even if we have the value already cached. We do so because we
1464	# need to set the values for the 'am__tar' and 'am__untar' variables.
1465	_am_tools=${am_cv_prog_tar_$1-$_am_tools}
1466
1467	for _am_tool in $_am_tools; do
1468	case $_am_tool in
1469	gnutar)
1470	for _am_tar in tar gnutar gtar; do
1471	AM_RUN_LOG([$_am_tar --version]) && break
1472	done
1473	am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1474	am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1475	am__untar="$_am_tar -xf -"
1476	;;
1477	plaintar)
1478	# Must skip GNU tar: if it does not support --format= it doesn't create
1479	# ustar tarball either.
1480	(tar --version) >/dev/null 2>&1 && continue
1481	am__tar='tar chf - "$$tardir"'
1482	am__tar_='tar chf - "$tardir"'
1483	am__untar='tar xf -'
1484	;;
1485	pax)
1486	am__tar='pax -L -x $1 -w "$$tardir"'
1487	am__tar_='pax -L -x $1 -w "$tardir"'
1488	am__untar='pax -r'
1489	;;
1490	cpio)
1491	am__tar='find "$$tardir" -print \| cpio -o -H $1 -L'
1492	am__tar_='find "$tardir" -print \| cpio -o -H $1 -L'
1493	am__untar='cpio -i -H $1 -d'
1494	;;
1495	none)
1496	am__tar=false
1497	am__tar_=false
1498	am__untar=false
1499	;;
1500	esac
1501
1502	# If the value was cached, stop now. We just wanted to have am__tar
1503	# and am__untar set.
1504	test -n "${am_cv_prog_tar_$1}" && break
1505
1506	# tar/untar a dummy directory, and stop if the command works.
1507	rm -rf conftest.dir
1508	mkdir conftest.dir
1509	echo GrepMe > conftest.dir/file
1510	AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1511	rm -rf conftest.dir
1512	if test -s conftest.tar; then
1513	AM_RUN_LOG([$am__untar <conftest.tar])
1514	AM_RUN_LOG([cat conftest.dir/file])
1515	grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1516	fi
1517	done
1518	rm -rf conftest.dir
1519
1520	AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1521	AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1522
1523	AC_SUBST([am__tar])
1524	AC_SUBST([am__untar])
1525	]) # _AM_PROG_TAR
1526
1527	m4_include([m4/ax_check_compile_flag.m4])
1528	m4_include([m4/ax_check_gnu_make.m4])
1529	m4_include([m4/ax_check_python_mako_module.m4])
1530	m4_include([m4/ax_gcc_builtin.m4])
1531	m4_include([m4/ax_gcc_func_attribute.m4])
1532	m4_include([m4/ax_prog_bison.m4])
1533	m4_include([m4/ax_prog_flex.m4])
1534	m4_include([m4/ax_pthread.m4])
1535	m4_include([m4/libtool.m4])
1536	m4_include([m4/ltoptions.m4])
1537	m4_include([m4/ltsugar.m4])
1538	m4_include([m4/ltversion.m4])
1539	m4_include([m4/lt~obsolete.m4])

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