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acgeneral.m4@ 3398

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Last change on this file since 3398 was 3157, checked in by bird, 18 years ago
autoconf 2.13
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1	dnl Parameterized macros.
2	dnl Requires GNU m4.
3	dnl This file is part of Autoconf.
4	dnl Copyright (C) 1992, 93, 94, 95, 96, 1998 Free Software Foundation, Inc.
5	dnl
6	dnl This program is free software; you can redistribute it and/or modify
7	dnl it under the terms of the GNU General Public License as published by
8	dnl the Free Software Foundation; either version 2, or (at your option)
9	dnl any later version.
10	dnl
11	dnl This program is distributed in the hope that it will be useful,
12	dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
13	dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	dnl GNU General Public License for more details.
15	dnl
16	dnl You should have received a copy of the GNU General Public License
17	dnl along with this program; if not, write to the Free Software
18	dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
19	dnl 02111-1307, USA.
20	dnl
21	dnl As a special exception, the Free Software Foundation gives unlimited
22	dnl permission to copy, distribute and modify the configure scripts that
23	dnl are the output of Autoconf. You need not follow the terms of the GNU
24	dnl General Public License when using or distributing such scripts, even
25	dnl though portions of the text of Autoconf appear in them. The GNU
26	dnl General Public License (GPL) does govern all other use of the material
27	dnl that constitutes the Autoconf program.
28	dnl
29	dnl Certain portions of the Autoconf source text are designed to be copied
30	dnl (in certain cases, depending on the input) into the output of
31	dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
32	dnl source text consists of comments plus executable code that decides which
33	dnl of the data portions to output in any given case. We call these
34	dnl comments and executable code the "non-data" portions. Autoconf never
35	dnl copies any of the non-data portions into its output.
36	dnl
37	dnl This special exception to the GPL applies to versions of Autoconf
38	dnl released by the Free Software Foundation. When you make and
39	dnl distribute a modified version of Autoconf, you may extend this special
40	dnl exception to the GPL to apply to your modified version as well, unless
41	dnl your modified version has the potential to copy into its output some
42	dnl of the text that was the non-data portion of the version that you started
43	dnl with. (In other words, unless your change moves or copies text from
44	dnl the non-data portions to the data portions.) If your modification has
45	dnl such potential, you must delete any notice of this special exception
46	dnl to the GPL from your modified version.
47	dnl
48	dnl Written by David MacKenzie, with help from
49	dnl Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
50	dnl Roland McGrath, Noah Friedman, david d zuhn, and many others.
51	dnl
52	divert(-1)dnl Throw away output until AC_INIT is called.
53	changequote([, ])
54
55	define(AC_ACVERSION, 2.13)
56
57	dnl Some old m4's don't support m4exit. But they provide
58	dnl equivalent functionality by core dumping because of the
59	dnl long macros we define.
60	ifdef([__gnu__], , [errprint(Autoconf requires GNU m4.
61	Install it before installing Autoconf or set the
62	M4 environment variable to its path name.
63	)m4exit(2)])
64
65	undefine([eval])
66	undefine([include])
67	undefine([shift])
68	undefine([format])
69
70
71	dnl ### Defining macros
72
73
74	dnl m4 output diversions. We let m4 output them all in order at the end,
75	dnl except that we explicitly undivert AC_DIVERSION_SED, AC_DIVERSION_CMDS,
76	dnl and AC_DIVERSION_ICMDS.
77
78	dnl AC_DIVERSION_NOTICE - 1 (= 0) AC_REQUIRE'd #! /bin/sh line
79	define(AC_DIVERSION_NOTICE, 1)dnl copyright notice & option help strings
80	define(AC_DIVERSION_INIT, 2)dnl initialization code
81	define(AC_DIVERSION_NORMAL_4, 3)dnl AC_REQUIRE'd code, 4 level deep
82	define(AC_DIVERSION_NORMAL_3, 4)dnl AC_REQUIRE'd code, 3 level deep
83	define(AC_DIVERSION_NORMAL_2, 5)dnl AC_REQUIRE'd code, 2 level deep
84	define(AC_DIVERSION_NORMAL_1, 6)dnl AC_REQUIRE'd code, 1 level deep
85	define(AC_DIVERSION_NORMAL, 7)dnl the tests and output code
86	define(AC_DIVERSION_SED, 8)dnl variable substitutions in config.status
87	define(AC_DIVERSION_CMDS, 9)dnl extra shell commands in config.status
88	define(AC_DIVERSION_ICMDS, 10)dnl extra initialization in config.status
89
90	dnl Change the diversion stream to STREAM, while stacking old values.
91	dnl AC_DIVERT_PUSH(STREAM)
92	define(AC_DIVERT_PUSH,
93	[pushdef([AC_DIVERSION_CURRENT], $1)dnl
94	divert(AC_DIVERSION_CURRENT)dnl
95	])
96
97	dnl Change the diversion stream to its previous value, unstacking it.
98	dnl AC_DIVERT_POP()
99	define(AC_DIVERT_POP,
100	[popdef([AC_DIVERSION_CURRENT])dnl
101	divert(AC_DIVERSION_CURRENT)dnl
102	])
103
104	dnl Initialize the diversion setup.
105	define([AC_DIVERSION_CURRENT], AC_DIVERSION_NORMAL)
106	dnl This will be popped by AC_REQUIRE in AC_INIT.
107	pushdef([AC_DIVERSION_CURRENT], AC_DIVERSION_NOTICE)
108
109	dnl The prologue for Autoconf macros.
110	dnl AC_PRO(MACRO-NAME)
111	define(AC_PRO,
112	[define([AC_PROVIDE_$1], )dnl
113	ifelse(AC_DIVERSION_CURRENT, AC_DIVERSION_NORMAL,
114	[AC_DIVERT_PUSH(builtin(eval, AC_DIVERSION_CURRENT - 1))],
115	[pushdef([AC_DIVERSION_CURRENT], AC_DIVERSION_CURRENT)])dnl
116	])
117
118	dnl The Epilogue for Autoconf macros.
119	dnl AC_EPI()
120	define(AC_EPI,
121	[AC_DIVERT_POP()dnl
122	ifelse(AC_DIVERSION_CURRENT, AC_DIVERSION_NORMAL,
123	[undivert(AC_DIVERSION_NORMAL_4)dnl
124	undivert(AC_DIVERSION_NORMAL_3)dnl
125	undivert(AC_DIVERSION_NORMAL_2)dnl
126	undivert(AC_DIVERSION_NORMAL_1)dnl
127	])dnl
128	])
129
130	dnl Define a macro which automatically provides itself. Add machinery
131	dnl so the macro automatically switches expansion to the diversion
132	dnl stack if it is not already using it. In this case, once finished,
133	dnl it will bring back all the code accumulated in the diversion stack.
134	dnl This, combined with AC_REQUIRE, achieves the topological ordering of
135	dnl macros. We don't use this macro to define some frequently called
136	dnl macros that are not involved in ordering constraints, to save m4
137	dnl processing.
138	dnl AC_DEFUN(NAME, EXPANSION)
139	define([AC_DEFUN],
140	[define($1, [AC_PRO([$1])$2[]AC_EPI()])])
141
142
143	dnl ### Initialization
144
145
146	dnl AC_INIT_NOTICE()
147	AC_DEFUN(AC_INIT_NOTICE,
148	[# Guess values for system-dependent variables and create Makefiles.
149	# Generated automatically using autoconf version] AC_ACVERSION [
150	# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
151	#
152	# This configure script is free software; the Free Software Foundation
153	# gives unlimited permission to copy, distribute and modify it.
154
155	# Defaults:
156	ac_help=
157	ac_default_prefix=/usr/local
158	[#] Any additions from configure.in:])
159
160	dnl AC_PREFIX_DEFAULT(PREFIX)
161	AC_DEFUN(AC_PREFIX_DEFAULT,
162	[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
163	ac_default_prefix=$1
164	AC_DIVERT_POP()])
165
166	dnl AC_INIT_PARSE_ARGS()
167	AC_DEFUN(AC_INIT_PARSE_ARGS,
168	[
169	# Initialize some variables set by options.
170	# The variables have the same names as the options, with
171	# dashes changed to underlines.
172	build=NONE
173	cache_file=./config.cache
174	exec_prefix=NONE
175	host=NONE
176	no_create=
177	nonopt=NONE
178	no_recursion=
179	prefix=NONE
180	program_prefix=NONE
181	program_suffix=NONE
182	program_transform_name=s,x,x,
183	silent=
184	site=
185	srcdir=
186	target=NONE
187	verbose=
188	x_includes=NONE
189	x_libraries=NONE
190	dnl Installation directory options.
191	dnl These are left unexpanded so users can "make install exec_prefix=/foo"
192	dnl and all the variables that are supposed to be based on exec_prefix
193	dnl by default will actually change.
194	dnl Use braces instead of parens because sh, perl, etc. also accept them.
195	bindir='${exec_prefix}/bin'
196	sbindir='${exec_prefix}/sbin'
197	libexecdir='${exec_prefix}/libexec'
198	datadir='${prefix}/share'
199	sysconfdir='${prefix}/etc'
200	sharedstatedir='${prefix}/com'
201	localstatedir='${prefix}/var'
202	libdir='${exec_prefix}/lib'
203	includedir='${prefix}/include'
204	oldincludedir='/usr/include'
205	infodir='${prefix}/info'
206	mandir='${prefix}/man'
207
208	# Initialize some other variables.
209	subdirs=
210	MFLAGS= MAKEFLAGS=
211	SHELL=${CONFIG_SHELL-/bin/sh}
212	# Maximum number of lines to put in a shell here document.
213	ac_max_here_lines=12
214
215	ac_prev=
216	for ac_option
217	do
218
219	# If the previous option needs an argument, assign it.
220	if test -n "$ac_prev"; then
221	eval "$ac_prev=\$ac_option"
222	ac_prev=
223	continue
224	fi
225
226	case "$ac_option" in
227	changequote(, )dnl
228	-=) ac_optarg=`echo "$ac_option" \| sed 's/[-_a-zA-Z0-9]*=//'` ;;
229	changequote([, ])dnl
230	*) ac_optarg= ;;
231	esac
232
233	# Accept the important Cygnus configure options, so we can diagnose typos.
234
235	case "$ac_option" in
236
237	-bindir \| --bindir \| --bindi \| --bind \| --bin \| --bi)
238	ac_prev=bindir ;;
239	-bindir=* \| --bindir=* \| --bindi=* \| --bind=* \| --bin=* \| --bi=*)
240	bindir="$ac_optarg" ;;
241
242	-build \| --build \| --buil \| --bui \| --bu)
243	ac_prev=build ;;
244	-build=* \| --build=* \| --buil=* \| --bui=* \| --bu=*)
245	build="$ac_optarg" ;;
246
247	-cache-file \| --cache-file \| --cache-fil \| --cache-fi \
248	\| --cache-f \| --cache- \| --cache \| --cach \| --cac \| --ca \| --c)
249	ac_prev=cache_file ;;
250	-cache-file=* \| --cache-file=* \| --cache-fil=* \| --cache-fi=* \
251	\| --cache-f=* \| --cache-=* \| --cache=* \| --cach=* \| --cac=* \| --ca=* \| --c=*)
252	cache_file="$ac_optarg" ;;
253
254	-datadir \| --datadir \| --datadi \| --datad \| --data \| --dat \| --da)
255	ac_prev=datadir ;;
256	-datadir=* \| --datadir=* \| --datadi=* \| --datad=* \| --data=* \| --dat=* \
257	\| --da=*)
258	datadir="$ac_optarg" ;;
259
260	-disable-* \| --disable-*)
261	ac_feature=`echo $ac_option\|sed -e 's/-*disable-//'`
262	# Reject names that are not valid shell variable names.
263	changequote(, )dnl
264	if test -n "`echo $ac_feature\| sed 's/[-a-zA-Z0-9_]//g'`"; then
265	changequote([, ])dnl
266	AC_MSG_ERROR($ac_feature: invalid feature name)
267	fi
268	ac_feature=`echo $ac_feature\| sed 's/-/_/g'`
269	eval "enable_${ac_feature}=no" ;;
270
271	-enable-* \| --enable-*)
272	ac_feature=`echo $ac_option\|sed -e 's/-enable-//' -e 's/=.//'`
273	# Reject names that are not valid shell variable names.
274	changequote(, )dnl
275	if test -n "`echo $ac_feature\| sed 's/[-_a-zA-Z0-9]//g'`"; then
276	changequote([, ])dnl
277	AC_MSG_ERROR($ac_feature: invalid feature name)
278	fi
279	ac_feature=`echo $ac_feature\| sed 's/-/_/g'`
280	case "$ac_option" in
281	=) ;;
282	*) ac_optarg=yes ;;
283	esac
284	eval "enable_${ac_feature}='$ac_optarg'" ;;
285
286	-exec-prefix \| --exec_prefix \| --exec-prefix \| --exec-prefi \
287	\| --exec-pref \| --exec-pre \| --exec-pr \| --exec-p \| --exec- \
288	\| --exec \| --exe \| --ex)
289	ac_prev=exec_prefix ;;
290	-exec-prefix=* \| --exec_prefix=* \| --exec-prefix=* \| --exec-prefi=* \
291	\| --exec-pref=* \| --exec-pre=* \| --exec-pr=* \| --exec-p=* \| --exec-=* \
292	\| --exec=* \| --exe=* \| --ex=*)
293	exec_prefix="$ac_optarg" ;;
294
295	-gas \| --gas \| --ga \| --g)
296	# Obsolete; use --with-gas.
297	with_gas=yes ;;
298
299	-help \| --help \| --hel \| --he)
300	# Omit some internal or obsolete options to make the list less imposing.
301	# This message is too long to be a string in the A/UX 3.1 sh.
302	cat << EOF
303	changequote(, )dnl
304	Usage: configure [options] [host]
305	Options: [defaults in brackets after descriptions]
306	Configuration:
307	--cache-file=FILE cache test results in FILE
308	--help print this message
309	--no-create do not create output files
310	--quiet, --silent do not print \`checking...' messages
311	--version print the version of autoconf that created configure
312	Directory and file names:
313	--prefix=PREFIX install architecture-independent files in PREFIX
314	[$ac_default_prefix]
315	--exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
316	[same as prefix]
317	--bindir=DIR user executables in DIR [EPREFIX/bin]
318	--sbindir=DIR system admin executables in DIR [EPREFIX/sbin]
319	--libexecdir=DIR program executables in DIR [EPREFIX/libexec]
320	--datadir=DIR read-only architecture-independent data in DIR
321	[PREFIX/share]
322	--sysconfdir=DIR read-only single-machine data in DIR [PREFIX/etc]
323	--sharedstatedir=DIR modifiable architecture-independent data in DIR
324	[PREFIX/com]
325	--localstatedir=DIR modifiable single-machine data in DIR [PREFIX/var]
326	--libdir=DIR object code libraries in DIR [EPREFIX/lib]
327	--includedir=DIR C header files in DIR [PREFIX/include]
328	--oldincludedir=DIR C header files for non-gcc in DIR [/usr/include]
329	--infodir=DIR info documentation in DIR [PREFIX/info]
330	--mandir=DIR man documentation in DIR [PREFIX/man]
331	--srcdir=DIR find the sources in DIR [configure dir or ..]
332	--program-prefix=PREFIX prepend PREFIX to installed program names
333	--program-suffix=SUFFIX append SUFFIX to installed program names
334	--program-transform-name=PROGRAM
335	run sed PROGRAM on installed program names
336	EOF
337	cat << EOF
338	Host type:
339	--build=BUILD configure for building on BUILD [BUILD=HOST]
340	--host=HOST configure for HOST [guessed]
341	--target=TARGET configure for TARGET [TARGET=HOST]
342	Features and packages:
343	--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
344	--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
345	--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
346	--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
347	--x-includes=DIR X include files are in DIR
348	--x-libraries=DIR X library files are in DIR
349	changequote([, ])dnl
350	EOF
351	if test -n "$ac_help"; then
352	echo "--enable and --with options recognized:$ac_help"
353	fi
354	exit 0 ;;
355
356	-host \| --host \| --hos \| --ho)
357	ac_prev=host ;;
358	-host=* \| --host=* \| --hos=* \| --ho=*)
359	host="$ac_optarg" ;;
360
361	-includedir \| --includedir \| --includedi \| --included \| --include \
362	\| --includ \| --inclu \| --incl \| --inc)
363	ac_prev=includedir ;;
364	-includedir=* \| --includedir=* \| --includedi=* \| --included=* \| --include=* \
365	\| --includ=* \| --inclu=* \| --incl=* \| --inc=*)
366	includedir="$ac_optarg" ;;
367
368	-infodir \| --infodir \| --infodi \| --infod \| --info \| --inf)
369	ac_prev=infodir ;;
370	-infodir=* \| --infodir=* \| --infodi=* \| --infod=* \| --info=* \| --inf=*)
371	infodir="$ac_optarg" ;;
372
373	-libdir \| --libdir \| --libdi \| --libd)
374	ac_prev=libdir ;;
375	-libdir=* \| --libdir=* \| --libdi=* \| --libd=*)
376	libdir="$ac_optarg" ;;
377
378	-libexecdir \| --libexecdir \| --libexecdi \| --libexecd \| --libexec \
379	\| --libexe \| --libex \| --libe)
380	ac_prev=libexecdir ;;
381	-libexecdir=* \| --libexecdir=* \| --libexecdi=* \| --libexecd=* \| --libexec=* \
382	\| --libexe=* \| --libex=* \| --libe=*)
383	libexecdir="$ac_optarg" ;;
384
385	-localstatedir \| --localstatedir \| --localstatedi \| --localstated \
386	\| --localstate \| --localstat \| --localsta \| --localst \
387	\| --locals \| --local \| --loca \| --loc \| --lo)
388	ac_prev=localstatedir ;;
389	-localstatedir=* \| --localstatedir=* \| --localstatedi=* \| --localstated=* \
390	\| --localstate=* \| --localstat=* \| --localsta=* \| --localst=* \
391	\| --locals=* \| --local=* \| --loca=* \| --loc=* \| --lo=*)
392	localstatedir="$ac_optarg" ;;
393
394	-mandir \| --mandir \| --mandi \| --mand \| --man \| --ma \| --m)
395	ac_prev=mandir ;;
396	-mandir=* \| --mandir=* \| --mandi=* \| --mand=* \| --man=* \| --ma=* \| --m=*)
397	mandir="$ac_optarg" ;;
398
399	-nfp \| --nfp \| --nf)
400	# Obsolete; use --without-fp.
401	with_fp=no ;;
402
403	-no-create \| --no-create \| --no-creat \| --no-crea \| --no-cre \
404	\| --no-cr \| --no-c)
405	no_create=yes ;;
406
407	-no-recursion \| --no-recursion \| --no-recursio \| --no-recursi \
408	\| --no-recurs \| --no-recur \| --no-recu \| --no-rec \| --no-re \| --no-r)
409	no_recursion=yes ;;
410
411	-oldincludedir \| --oldincludedir \| --oldincludedi \| --oldincluded \
412	\| --oldinclude \| --oldinclud \| --oldinclu \| --oldincl \| --oldinc \
413	\| --oldin \| --oldi \| --old \| --ol \| --o)
414	ac_prev=oldincludedir ;;
415	-oldincludedir=* \| --oldincludedir=* \| --oldincludedi=* \| --oldincluded=* \
416	\| --oldinclude=* \| --oldinclud=* \| --oldinclu=* \| --oldincl=* \| --oldinc=* \
417	\| --oldin=* \| --oldi=* \| --old=* \| --ol=* \| --o=*)
418	oldincludedir="$ac_optarg" ;;
419
420	-prefix \| --prefix \| --prefi \| --pref \| --pre \| --pr \| --p)
421	ac_prev=prefix ;;
422	-prefix=* \| --prefix=* \| --prefi=* \| --pref=* \| --pre=* \| --pr=* \| --p=*)
423	prefix="$ac_optarg" ;;
424
425	-program-prefix \| --program-prefix \| --program-prefi \| --program-pref \
426	\| --program-pre \| --program-pr \| --program-p)
427	ac_prev=program_prefix ;;
428	-program-prefix=* \| --program-prefix=* \| --program-prefi=* \
429	\| --program-pref=* \| --program-pre=* \| --program-pr=* \| --program-p=*)
430	program_prefix="$ac_optarg" ;;
431
432	-program-suffix \| --program-suffix \| --program-suffi \| --program-suff \
433	\| --program-suf \| --program-su \| --program-s)
434	ac_prev=program_suffix ;;
435	-program-suffix=* \| --program-suffix=* \| --program-suffi=* \
436	\| --program-suff=* \| --program-suf=* \| --program-su=* \| --program-s=*)
437	program_suffix="$ac_optarg" ;;
438
439	-program-transform-name \| --program-transform-name \
440	\| --program-transform-nam \| --program-transform-na \
441	\| --program-transform-n \| --program-transform- \
442	\| --program-transform \| --program-transfor \
443	\| --program-transfo \| --program-transf \
444	\| --program-trans \| --program-tran \
445	\| --progr-tra \| --program-tr \| --program-t)
446	ac_prev=program_transform_name ;;
447	-program-transform-name=* \| --program-transform-name=* \
448	\| --program-transform-nam=* \| --program-transform-na=* \
449	\| --program-transform-n=* \| --program-transform-=* \
450	\| --program-transform=* \| --program-transfor=* \
451	\| --program-transfo=* \| --program-transf=* \
452	\| --program-trans=* \| --program-tran=* \
453	\| --progr-tra=* \| --program-tr=* \| --program-t=*)
454	program_transform_name="$ac_optarg" ;;
455
456	-q \| -quiet \| --quiet \| --quie \| --qui \| --qu \| --q \
457	\| -silent \| --silent \| --silen \| --sile \| --sil)
458	silent=yes ;;
459
460	-sbindir \| --sbindir \| --sbindi \| --sbind \| --sbin \| --sbi \| --sb)
461	ac_prev=sbindir ;;
462	-sbindir=* \| --sbindir=* \| --sbindi=* \| --sbind=* \| --sbin=* \
463	\| --sbi=* \| --sb=*)
464	sbindir="$ac_optarg" ;;
465
466	-sharedstatedir \| --sharedstatedir \| --sharedstatedi \
467	\| --sharedstated \| --sharedstate \| --sharedstat \| --sharedsta \
468	\| --sharedst \| --shareds \| --shared \| --share \| --shar \
469	\| --sha \| --sh)
470	ac_prev=sharedstatedir ;;
471	-sharedstatedir=* \| --sharedstatedir=* \| --sharedstatedi=* \
472	\| --sharedstated=* \| --sharedstate=* \| --sharedstat=* \| --sharedsta=* \
473	\| --sharedst=* \| --shareds=* \| --shared=* \| --share=* \| --shar=* \
474	\| --sha=* \| --sh=*)
475	sharedstatedir="$ac_optarg" ;;
476
477	-site \| --site \| --sit)
478	ac_prev=site ;;
479	-site=* \| --site=* \| --sit=*)
480	site="$ac_optarg" ;;
481
482	-srcdir \| --srcdir \| --srcdi \| --srcd \| --src \| --sr)
483	ac_prev=srcdir ;;
484	-srcdir=* \| --srcdir=* \| --srcdi=* \| --srcd=* \| --src=* \| --sr=*)
485	srcdir="$ac_optarg" ;;
486
487	-sysconfdir \| --sysconfdir \| --sysconfdi \| --sysconfd \| --sysconf \
488	\| --syscon \| --sysco \| --sysc \| --sys \| --sy)
489	ac_prev=sysconfdir ;;
490	-sysconfdir=* \| --sysconfdir=* \| --sysconfdi=* \| --sysconfd=* \| --sysconf=* \
491	\| --syscon=* \| --sysco=* \| --sysc=* \| --sys=* \| --sy=*)
492	sysconfdir="$ac_optarg" ;;
493
494	-target \| --target \| --targe \| --targ \| --tar \| --ta \| --t)
495	ac_prev=target ;;
496	-target=* \| --target=* \| --targe=* \| --targ=* \| --tar=* \| --ta=* \| --t=*)
497	target="$ac_optarg" ;;
498
499	-v \| -verbose \| --verbose \| --verbos \| --verbo \| --verb)
500	verbose=yes ;;
501
502	-version \| --version \| --versio \| --versi \| --vers)
503	echo "configure generated by autoconf version AC_ACVERSION"
504	exit 0 ;;
505
506	-with-* \| --with-*)
507	ac_package=`echo $ac_option\|sed -e 's/-with-//' -e 's/=.//'`
508	# Reject names that are not valid shell variable names.
509	changequote(, )dnl
510	if test -n "`echo $ac_package\| sed 's/[-_a-zA-Z0-9]//g'`"; then
511	changequote([, ])dnl
512	AC_MSG_ERROR($ac_package: invalid package name)
513	fi
514	ac_package=`echo $ac_package\| sed 's/-/_/g'`
515	case "$ac_option" in
516	=) ;;
517	*) ac_optarg=yes ;;
518	esac
519	eval "with_${ac_package}='$ac_optarg'" ;;
520
521	-without-* \| --without-*)
522	ac_package=`echo $ac_option\|sed -e 's/-*without-//'`
523	# Reject names that are not valid shell variable names.
524	changequote(, )dnl
525	if test -n "`echo $ac_package\| sed 's/[-a-zA-Z0-9_]//g'`"; then
526	changequote([, ])dnl
527	AC_MSG_ERROR($ac_package: invalid package name)
528	fi
529	ac_package=`echo $ac_package\| sed 's/-/_/g'`
530	eval "with_${ac_package}=no" ;;
531
532	--x)
533	# Obsolete; use --with-x.
534	with_x=yes ;;
535
536	-x-includes \| --x-includes \| --x-include \| --x-includ \| --x-inclu \
537	\| --x-incl \| --x-inc \| --x-in \| --x-i)
538	ac_prev=x_includes ;;
539	-x-includes=* \| --x-includes=* \| --x-include=* \| --x-includ=* \| --x-inclu=* \
540	\| --x-incl=* \| --x-inc=* \| --x-in=* \| --x-i=*)
541	x_includes="$ac_optarg" ;;
542
543	-x-libraries \| --x-libraries \| --x-librarie \| --x-librari \
544	\| --x-librar \| --x-libra \| --x-libr \| --x-lib \| --x-li \| --x-l)
545	ac_prev=x_libraries ;;
546	-x-libraries=* \| --x-libraries=* \| --x-librarie=* \| --x-librari=* \
547	\| --x-librar=* \| --x-libra=* \| --x-libr=* \| --x-lib=* \| --x-li=* \| --x-l=*)
548	x_libraries="$ac_optarg" ;;
549
550	-*) AC_MSG_ERROR([$ac_option: invalid option; use --help to show usage])
551	;;
552
553	*)
554	changequote(, )dnl
555	if test -n "`echo $ac_option\| sed 's/[-a-z0-9.]//g'`"; then
556	changequote([, ])dnl
557	AC_MSG_WARN($ac_option: invalid host type)
558	fi
559	if test "x$nonopt" != xNONE; then
560	AC_MSG_ERROR(can only configure for one host and one target at a time)
561	fi
562	nonopt="$ac_option"
563	;;
564
565	esac
566	done
567
568	if test -n "$ac_prev"; then
569	AC_MSG_ERROR(missing argument to --`echo $ac_prev \| sed 's/_/-/g'`)
570	fi
571	])
572
573	dnl Try to have only one #! line, so the script doesn't look funny
574	dnl for users of AC_REVISION.
575	dnl AC_INIT_BINSH()
576	AC_DEFUN(AC_INIT_BINSH,
577	[#! /bin/sh
578	])
579
580	dnl AC_INIT(UNIQUE-FILE-IN-SOURCE-DIR)
581	AC_DEFUN(AC_INIT,
582	[sinclude(acsite.m4)dnl
583	sinclude(./aclocal.m4)dnl
584	AC_REQUIRE([AC_INIT_BINSH])dnl
585	AC_INIT_NOTICE
586	AC_DIVERT_POP()dnl to NORMAL
587	AC_DIVERT_PUSH(AC_DIVERSION_INIT)dnl
588	AC_INIT_PARSE_ARGS
589	AC_INIT_PREPARE($1)dnl
590	AC_DIVERT_POP()dnl to NORMAL
591	])
592
593	dnl AC_INIT_PREPARE(UNIQUE-FILE-IN-SOURCE-DIR)
594	AC_DEFUN(AC_INIT_PREPARE,
595	[trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
596
597	# File descriptor usage:
598	# 0 standard input
599	# 1 file creation
600	# 2 errors and warnings
601	# 3 some systems may open it to /dev/tty
602	# 4 used on the Kubota Titan
603	define(AC_FD_MSG, 6)dnl
604	[#] AC_FD_MSG checking for... messages and results
605	define(AC_FD_CC, 5)dnl
606	[#] AC_FD_CC compiler messages saved in config.log
607	if test "$silent" = yes; then
608	exec AC_FD_MSG>/dev/null
609	else
610	exec AC_FD_MSG>&1
611	fi
612	exec AC_FD_CC>./config.log
613
614	echo "\
615	This file contains any messages produced by compilers while
616	running configure, to aid debugging if configure makes a mistake.
617	" 1>&AC_FD_CC
618
619	# Strip out --no-create and --no-recursion so they do not pile up.
620	# Also quote any args containing shell metacharacters.
621	ac_configure_args=
622	for ac_arg
623	do
624	case "$ac_arg" in
625	-no-create \| --no-create \| --no-creat \| --no-crea \| --no-cre \
626	\| --no-cr \| --no-c) ;;
627	-no-recursion \| --no-recursion \| --no-recursio \| --no-recursi \
628	\| --no-recurs \| --no-recur \| --no-recu \| --no-rec \| --no-re \| --no-r) ;;
629	changequote(<<, >>)dnl
630	dnl If you change this globbing pattern, test it on an old shell --
631	dnl it's sensitive. Putting any kind of quote in it causes syntax errors.
632	" "\|" "\|[\[\]\~\<<#>>\$\^\&\\{\}\\\\|\;\<\>\?]*)
633	ac_configure_args="$ac_configure_args '$ac_arg'" ;;
634	changequote([, ])dnl
635	*) ac_configure_args="$ac_configure_args $ac_arg" ;;
636	esac
637	done
638
639	# NLS nuisances.
640	# Only set these to C if already set. These must not be set unconditionally
641	# because not all systems understand e.g. LANG=C (notably SCO).
642	# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
643	# Non-C LC_CTYPE values break the ctype check.
644	if test "${LANG+set}" = set; then LANG=C; export LANG; fi
645	if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
646	if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
647	if test "${LC_CTYPE+set}" = set; then LC_CTYPE=C; export LC_CTYPE; fi
648
649	# confdefs.h avoids OS command line length limits that DEFS can exceed.
650	rm -rf conftest* confdefs.h
651	# AIX cpp loses on an empty file, so make sure it contains at least a newline.
652	echo > confdefs.h
653
654	# A filename unique to this package, relative to the directory that
655	# configure is in, which we can look for to find out if srcdir is correct.
656	ac_unique_file=$1
657
658	# Find the source files, if location was not specified.
659	if test -z "$srcdir"; then
660	ac_srcdir_defaulted=yes
661	# Try the directory containing this script, then its parent.
662	ac_prog=[$]0
663	changequote(, )dnl
664	ac_confdir=`echo $ac_prog\|sed 's%/[^/][^/]*$%%'`
665	changequote([, ])dnl
666	test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
667	srcdir=$ac_confdir
668	if test ! -r $srcdir/$ac_unique_file; then
669	srcdir=..
670	fi
671	else
672	ac_srcdir_defaulted=no
673	fi
674	if test ! -r $srcdir/$ac_unique_file; then
675	if test "$ac_srcdir_defaulted" = yes; then
676	AC_MSG_ERROR(can not find sources in $ac_confdir or ..)
677	else
678	AC_MSG_ERROR(can not find sources in $srcdir)
679	fi
680	fi
681	dnl Double slashes in pathnames in object file debugging info
682	dnl mess up M-x gdb in Emacs.
683	changequote(, )dnl
684	srcdir=`echo "${srcdir}" \| sed 's%$[^/]$/*$%\1%'`
685	changequote([, ])dnl
686
687	dnl Let the site file select an alternate cache file if it wants to.
688	AC_SITE_LOAD
689	AC_CACHE_LOAD
690	AC_LANG_C
691	dnl By default always use an empty string as the executable
692	dnl extension. Only change it if the script calls AC_EXEEXT.
693	ac_exeext=
694	dnl By default assume that objects files use an extension of .o. Only
695	dnl change it if the script calls AC_OBJEXT.
696	ac_objext=o
697	AC_PROG_ECHO_N
698	dnl Substitute for predefined variables.
699	AC_SUBST(SHELL)dnl
700	AC_SUBST(CFLAGS)dnl
701	AC_SUBST(CPPFLAGS)dnl
702	AC_SUBST(CXXFLAGS)dnl
703	AC_SUBST(FFLAGS)dnl
704	AC_SUBST(DEFS)dnl
705	AC_SUBST(LDFLAGS)dnl
706	AC_SUBST(LIBS)dnl
707	AC_SUBST(exec_prefix)dnl
708	AC_SUBST(prefix)dnl
709	AC_SUBST(program_transform_name)dnl
710	dnl Installation directory options.
711	AC_SUBST(bindir)dnl
712	AC_SUBST(sbindir)dnl
713	AC_SUBST(libexecdir)dnl
714	AC_SUBST(datadir)dnl
715	AC_SUBST(sysconfdir)dnl
716	AC_SUBST(sharedstatedir)dnl
717	AC_SUBST(localstatedir)dnl
718	AC_SUBST(libdir)dnl
719	AC_SUBST(includedir)dnl
720	AC_SUBST(oldincludedir)dnl
721	AC_SUBST(infodir)dnl
722	AC_SUBST(mandir)dnl
723	])
724
725
726	dnl ### Selecting optional features
727
728
729	dnl AC_ARG_ENABLE(FEATURE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
730	AC_DEFUN(AC_ARG_ENABLE,
731	[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
732	ac_help="$ac_help
733	[$2]"
734	AC_DIVERT_POP()dnl
735	[#] Check whether --enable-[$1] or --disable-[$1] was given.
736	if test "[${enable_]patsubst([$1], -, _)+set}" = set; then
737	enableval="[$enable_]patsubst([$1], -, _)"
738	ifelse([$3], , :, [$3])
739	ifelse([$4], , , [else
740	$4
741	])dnl
742	fi
743	])
744
745	AC_DEFUN(AC_ENABLE,
746	[AC_OBSOLETE([$0], [; instead use AC_ARG_ENABLE])dnl
747	AC_ARG_ENABLE([$1], [ --enable-$1], [$2], [$3])dnl
748	])
749
750
751	dnl ### Working with optional software
752
753
754	dnl AC_ARG_WITH(PACKAGE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
755	AC_DEFUN(AC_ARG_WITH,
756	[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
757	ac_help="$ac_help
758	[$2]"
759	AC_DIVERT_POP()dnl
760	[#] Check whether --with-[$1] or --without-[$1] was given.
761	if test "[${with_]patsubst([$1], -, _)+set}" = set; then
762	withval="[$with_]patsubst([$1], -, _)"
763	ifelse([$3], , :, [$3])
764	ifelse([$4], , , [else
765	$4
766	])dnl
767	fi
768	])
769
770	AC_DEFUN(AC_WITH,
771	[AC_OBSOLETE([$0], [; instead use AC_ARG_WITH])dnl
772	AC_ARG_WITH([$1], [ --with-$1], [$2], [$3])dnl
773	])
774
775
776	dnl ### Transforming program names.
777
778
779	dnl AC_ARG_PROGRAM()
780	AC_DEFUN(AC_ARG_PROGRAM,
781	[if test "$program_transform_name" = s,x,x,; then
782	program_transform_name=
783	else
784	# Double any \ or $. echo might interpret backslashes.
785	cat <<\EOF_SED > conftestsed
786	s,\\,\\\\,g; s,\$,$$,g
787	EOF_SED
788	program_transform_name="`echo $program_transform_name\|sed -f conftestsed`"
789	rm -f conftestsed
790	fi
791	test "$program_prefix" != NONE &&
792	program_transform_name="s,^,${program_prefix},; $program_transform_name"
793	# Use a double $ so make ignores it.
794	test "$program_suffix" != NONE &&
795	program_transform_name="s,\$\$,${program_suffix},; $program_transform_name"
796
797	# sed with no file args requires a program.
798	test "$program_transform_name" = "" && program_transform_name="s,x,x,"
799	])
800
801
802	dnl ### Version numbers
803
804
805	dnl AC_REVISION(REVISION-INFO)
806	AC_DEFUN(AC_REVISION,
807	[AC_REQUIRE([AC_INIT_BINSH])dnl
808	[# From configure.in] translit([$1], $")])
809
810	dnl Subroutines of AC_PREREQ.
811
812	dnl Change the dots in NUMBER into commas.
813	dnl AC_PREREQ_SPLIT(NUMBER)
814	define(AC_PREREQ_SPLIT,
815	[translit($1, ., [, ])])
816
817	dnl Default the ternary version number to 0 (e.g., 1, 7 -> 1, 7, 0).
818	dnl AC_PREREQ_CANON(MAJOR, MINOR [,TERNARY])
819	define(AC_PREREQ_CANON,
820	[$1, $2, ifelse([$3], , 0, [$3])])
821
822	dnl Complain and exit if version number 1 is less than version number 2.
823	dnl PRINTABLE2 is the printable version of version number 2.
824	dnl AC_PREREQ_COMPARE(MAJOR1, MINOR1, TERNARY1, MAJOR2, MINOR2, TERNARY2,
825	dnl PRINTABLE2)
826	define(AC_PREREQ_COMPARE,
827	[ifelse(builtin([eval],
828	[$3 + $2 * 1000 + $1 * 1000000 < $6 + $5 * 1000 + $4 * 1000000]), 1,
829	[errprint(dnl
830	FATAL ERROR: Autoconf version $7 or higher is required for this script
831	)m4exit(3)])])
832
833	dnl Complain and exit if the Autoconf version is less than VERSION.
834	dnl AC_PREREQ(VERSION)
835	define(AC_PREREQ,
836	[AC_PREREQ_COMPARE(AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)),
837	AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])), [$1])])
838
839
840	dnl ### Getting the canonical system type
841
842
843	dnl Find install-sh, config.sub, config.guess, and Cygnus configure
844	dnl in directory DIR. These are auxiliary files used in configuration.
845	dnl DIR can be either absolute or relative to $srcdir.
846	dnl AC_CONFIG_AUX_DIR(DIR)
847	AC_DEFUN(AC_CONFIG_AUX_DIR,
848	[AC_CONFIG_AUX_DIRS($1 $srcdir/$1)])
849
850	dnl The default is `$srcdir' or `$srcdir/..' or `$srcdir/../..'.
851	dnl There's no need to call this macro explicitly; just AC_REQUIRE it.
852	AC_DEFUN(AC_CONFIG_AUX_DIR_DEFAULT,
853	[AC_CONFIG_AUX_DIRS($srcdir $srcdir/.. $srcdir/../..)])
854
855	dnl Internal subroutine.
856	dnl Search for the configuration auxiliary files in directory list $1.
857	dnl We look only for install-sh, so users of AC_PROG_INSTALL
858	dnl do not automatically need to distribute the other auxiliary files.
859	dnl AC_CONFIG_AUX_DIRS(DIR ...)
860	AC_DEFUN(AC_CONFIG_AUX_DIRS,
861	[ac_aux_dir=
862	for ac_dir in $1; do
863	if test -f $ac_dir/install-sh; then
864	ac_aux_dir=$ac_dir
865	ac_install_sh="$ac_aux_dir/install-sh -c"
866	break
867	elif test -f $ac_dir/install.sh; then
868	ac_aux_dir=$ac_dir
869	ac_install_sh="$ac_aux_dir/install.sh -c"
870	break
871	fi
872	done
873	if test -z "$ac_aux_dir"; then
874	AC_MSG_ERROR([can not find install-sh or install.sh in $1])
875	fi
876	ac_config_guess=$ac_aux_dir/config.guess
877	ac_config_sub=$ac_aux_dir/config.sub
878	ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
879	AC_PROVIDE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
880	])
881
882	dnl Canonicalize the host, target, and build system types.
883	AC_DEFUN(AC_CANONICAL_SYSTEM,
884	[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
885	AC_BEFORE([$0], [AC_ARG_PROGRAM])
886	# Do some error checking and defaulting for the host and target type.
887	# The inputs are:
888	# configure --host=HOST --target=TARGET --build=BUILD NONOPT
889	#
890	# The rules are:
891	# 1. You are not allowed to specify --host, --target, and nonopt at the
892	# same time.
893	# 2. Host defaults to nonopt.
894	# 3. If nonopt is not specified, then host defaults to the current host,
895	# as determined by config.guess.
896	# 4. Target and build default to nonopt.
897	# 5. If nonopt is not specified, then target and build default to host.
898
899	# The aliases save the names the user supplied, while $host etc.
900	# will get canonicalized.
901	case $host---$target---$nonopt in
902	NONE------ \| ---NONE--- \| ------NONE) ;;
903	*) AC_MSG_ERROR(can only configure for one host and one target at a time) ;;
904	esac
905
906	AC_CANONICAL_HOST
907	AC_CANONICAL_TARGET
908	AC_CANONICAL_BUILD
909	test "$host_alias" != "$target_alias" &&
910	test "$program_prefix$program_suffix$program_transform_name" = \
911	NONENONEs,x,x, &&
912	program_prefix=${target_alias}-
913	])
914
915	dnl Subroutines of AC_CANONICAL_SYSTEM.
916
917	AC_DEFUN(AC_CANONICAL_HOST,
918	[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
919
920	# Make sure we can run config.sub.
921	if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
922	else AC_MSG_ERROR(can not run $ac_config_sub)
923	fi
924
925	AC_MSG_CHECKING(host system type)
926
927	dnl Set host_alias.
928	host_alias=$host
929	case "$host_alias" in
930	NONE)
931	case $nonopt in
932	NONE)
933	if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
934	else AC_MSG_ERROR(can not guess host type; you must specify one)
935	fi ;;
936	*) host_alias=$nonopt ;;
937	esac ;;
938	esac
939
940	dnl Set the other host vars.
941	changequote(<<, >>)dnl
942	host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
943	host_cpu=`echo $host \| sed 's/^$[^-]$-$[^-]$-$.*$$/\1/'`
944	host_vendor=`echo $host \| sed 's/^$[^-]$-$[^-]$-$.*$$/\2/'`
945	host_os=`echo $host \| sed 's/^$[^-]$-$[^-]$-$.*$$/\3/'`
946	changequote([, ])dnl
947	AC_MSG_RESULT($host)
948	AC_SUBST(host)dnl
949	AC_SUBST(host_alias)dnl
950	AC_SUBST(host_cpu)dnl
951	AC_SUBST(host_vendor)dnl
952	AC_SUBST(host_os)dnl
953	])
954
955	dnl Internal use only.
956	AC_DEFUN(AC_CANONICAL_TARGET,
957	[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
958	AC_MSG_CHECKING(target system type)
959
960	dnl Set target_alias.
961	target_alias=$target
962	case "$target_alias" in
963	NONE)
964	case $nonopt in
965	NONE) target_alias=$host_alias ;;
966	*) target_alias=$nonopt ;;
967	esac ;;
968	esac
969
970	dnl Set the other target vars.
971	changequote(<<, >>)dnl
972	target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
973	target_cpu=`echo $target \| sed 's/^$[^-]$-$[^-]$-$.*$$/\1/'`
974	target_vendor=`echo $target \| sed 's/^$[^-]$-$[^-]$-$.*$$/\2/'`
975	target_os=`echo $target \| sed 's/^$[^-]$-$[^-]$-$.*$$/\3/'`
976	changequote([, ])dnl
977	AC_MSG_RESULT($target)
978	AC_SUBST(target)dnl
979	AC_SUBST(target_alias)dnl
980	AC_SUBST(target_cpu)dnl
981	AC_SUBST(target_vendor)dnl
982	AC_SUBST(target_os)dnl
983	])
984
985	dnl Internal use only.
986	AC_DEFUN(AC_CANONICAL_BUILD,
987	[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
988	AC_MSG_CHECKING(build system type)
989
990	dnl Set build_alias.
991	build_alias=$build
992	case "$build_alias" in
993	NONE)
994	case $nonopt in
995	NONE) build_alias=$host_alias ;;
996	*) build_alias=$nonopt ;;
997	esac ;;
998	esac
999
1000	dnl Set the other build vars.
1001	changequote(<<, >>)dnl
1002	build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
1003	build_cpu=`echo $build \| sed 's/^$[^-]$-$[^-]$-$.*$$/\1/'`
1004	build_vendor=`echo $build \| sed 's/^$[^-]$-$[^-]$-$.*$$/\2/'`
1005	build_os=`echo $build \| sed 's/^$[^-]$-$[^-]$-$.*$$/\3/'`
1006	changequote([, ])dnl
1007	AC_MSG_RESULT($build)
1008	AC_SUBST(build)dnl
1009	AC_SUBST(build_alias)dnl
1010	AC_SUBST(build_cpu)dnl
1011	AC_SUBST(build_vendor)dnl
1012	AC_SUBST(build_os)dnl
1013	])
1014
1015
1016	dnl AC_VALIDATE_CACHED_SYSTEM_TUPLE[(cmd)]
1017	dnl if the cache file is inconsistent with the current host,
1018	dnl target and build system types, execute CMD or print a default
1019	dnl error message.
1020	AC_DEFUN(AC_VALIDATE_CACHED_SYSTEM_TUPLE, [
1021	AC_REQUIRE([AC_CANONICAL_SYSTEM])
1022	AC_MSG_CHECKING([cached system tuple])
1023	if { test x"${ac_cv_host_system_type+set}" = x"set" &&
1024	test x"$ac_cv_host_system_type" != x"$host"; } \|\|
1025	{ test x"${ac_cv_build_system_type+set}" = x"set" &&
1026	test x"$ac_cv_build_system_type" != x"$build"; } \|\|
1027	{ test x"${ac_cv_target_system_type+set}" = x"set" &&
1028	test x"$ac_cv_target_system_type" != x"$target"; }; then
1029	AC_MSG_RESULT([different])
1030	ifelse($#, 1, [$1],
1031	[AC_MSG_ERROR([remove config.cache and re-run configure])])
1032	else
1033	AC_MSG_RESULT(ok)
1034	fi
1035	ac_cv_host_system_type="$host"
1036	ac_cv_build_system_type="$build"
1037	ac_cv_target_system_type="$target"
1038	])
1039
1040
1041	dnl ### Caching test results
1042
1043
1044	dnl Look for site or system specific initialization scripts.
1045	dnl AC_SITE_LOAD()
1046	define(AC_SITE_LOAD,
1047	[# Prefer explicitly selected file to automatically selected ones.
1048	if test -z "$CONFIG_SITE"; then
1049	if test "x$prefix" != xNONE; then
1050	CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
1051	else
1052	CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
1053	fi
1054	fi
1055	for ac_site_file in $CONFIG_SITE; do
1056	if test -r "$ac_site_file"; then
1057	echo "loading site script $ac_site_file"
1058	. "$ac_site_file"
1059	fi
1060	done
1061	])
1062
1063	dnl AC_CACHE_LOAD()
1064	define(AC_CACHE_LOAD,
1065	[if test -r "$cache_file"; then
1066	echo "loading cache $cache_file"
1067	. $cache_file
1068	else
1069	echo "creating cache $cache_file"
1070	> $cache_file
1071	fi
1072	])
1073
1074	dnl AC_CACHE_SAVE()
1075	define(AC_CACHE_SAVE,
1076	[cat > confcache <<\EOF
1077	# This file is a shell script that caches the results of configure
1078	# tests run on this system so they can be shared between configure
1079	# scripts and configure runs. It is not useful on other systems.
1080	# If it contains results you don't want to keep, you may remove or edit it.
1081	#
1082	# By default, configure uses ./config.cache as the cache file,
1083	# creating it if it does not exist already. You can give configure
1084	# the --cache-file=FILE option to use a different cache file; that is
1085	# what configure does when it calls configure scripts in
1086	# subdirectories, so they share the cache.
1087	# Giving --cache-file=/dev/null disables caching, for debugging configure.
1088	# config.status only pays attention to the cache file if you give it the
1089	# --recheck option to rerun configure.
1090	#
1091	EOF
1092	dnl Allow a site initialization script to override cache values.
1093	# The following way of writing the cache mishandles newlines in values,
1094	# but we know of no workaround that is simple, portable, and efficient.
1095	# So, don't put newlines in cache variables' values.
1096	# Ultrix sh set writes to stderr and can't be redirected directly,
1097	# and sets the high bit in the cache file unless we assign to the vars.
1098	changequote(, )dnl
1099	(set) 2>&1 \|
1100	case `(ac_space=' '; set \| grep ac_space) 2>&1` in
1101	ac_space=\ )
1102	# `set' does not quote correctly, so add quotes (double-quote substitution
1103	# turns \\\\ into \\, and sed turns \\ into \).
1104	sed -n \
1105	-e "s/'/'\\\\''/g" \
1106	-e "s/^\$[a-zA-Z0-9_]_cv_[a-zA-Z0-9_]\$=\$.*\$/\\1=\${\\1='\\2'}/p"
1107	;;
1108	*)
1109	# `set' quotes correctly as required by POSIX, so do not add quotes.
1110	sed -n -e 's/^$[a-zA-Z0-9_]_cv_[a-zA-Z0-9_]$=$.*$/\1=${\1=\2}/p'
1111	;;
1112	esac >> confcache
1113	changequote([, ])dnl
1114	if cmp -s $cache_file confcache; then
1115	:
1116	else
1117	if test -w $cache_file; then
1118	echo "updating cache $cache_file"
1119	cat confcache > $cache_file
1120	else
1121	echo "not updating unwritable cache $cache_file"
1122	fi
1123	fi
1124	rm -f confcache
1125	])
1126
1127	dnl The name of shell var CACHE-ID must contain `_cv_' in order to get saved.
1128	dnl AC_CACHE_VAL(CACHE-ID, COMMANDS-TO-SET-IT)
1129	define(AC_CACHE_VAL,
1130	[dnl We used to use the below line, but it fails if the 1st arg is a
1131	dnl shell variable, so we need the eval.
1132	dnl if test "${$1+set}" = set; then
1133	dnl the '' avoids an AIX 4.1 sh bug ("invalid expansion").
1134	if eval "test \"`echo '$''{'$1'+set}'`\" = set"; then
1135	echo $ac_n "(cached) $ac_c" 1>&AC_FD_MSG
1136	else
1137	$2
1138	fi
1139	])
1140
1141	dnl AC_CACHE_CHECK(MESSAGE, CACHE-ID, COMMANDS)
1142	define(AC_CACHE_CHECK,
1143	[AC_MSG_CHECKING([$1])
1144	AC_CACHE_VAL([$2], [$3])
1145	AC_MSG_RESULT([$]$2)])
1146
1147
1148	dnl ### Defining symbols
1149
1150
1151	dnl Set VARIABLE to VALUE, verbatim, or 1.
1152	dnl AC_DEFINE(VARIABLE [, VALUE])
1153	define(AC_DEFINE,
1154	[cat >> confdefs.h <<\EOF
1155	[#define] $1 ifelse($#, 2, [$2], $#, 3, [$2], 1)
1156	EOF
1157	])
1158
1159	dnl Similar, but perform shell substitutions $ ` \ once on VALUE.
1160	define(AC_DEFINE_UNQUOTED,
1161	[cat >> confdefs.h <<EOF
1162	[#define] $1 ifelse($#, 2, [$2], $#, 3, [$2], 1)
1163	EOF
1164	])
1165
1166
1167	dnl ### Setting output variables
1168
1169
1170	dnl This macro protects VARIABLE from being diverted twice
1171	dnl if this macro is called twice for it.
1172	dnl AC_SUBST(VARIABLE)
1173	define(AC_SUBST,
1174	[ifdef([AC_SUBST_$1], ,
1175	[define([AC_SUBST_$1], )dnl
1176	AC_DIVERT_PUSH(AC_DIVERSION_SED)dnl
1177	s%@$1@%[$]$1%g
1178	AC_DIVERT_POP()dnl
1179	])])
1180
1181	dnl AC_SUBST_FILE(VARIABLE)
1182	define(AC_SUBST_FILE,
1183	[ifdef([AC_SUBST_$1], ,
1184	[define([AC_SUBST_$1], )dnl
1185	AC_DIVERT_PUSH(AC_DIVERSION_SED)dnl
1186	/@$1@/r [$]$1
1187	s%@$1@%%g
1188	AC_DIVERT_POP()dnl
1189	])])
1190
1191
1192	dnl ### Printing messages
1193
1194
1195	dnl AC_MSG_CHECKING(FEATURE-DESCRIPTION)
1196	define(AC_MSG_CHECKING,
1197	[echo $ac_n "checking $1""... $ac_c" 1>&AC_FD_MSG
1198	echo "configure:__oline__: checking $1" >&AC_FD_CC])
1199
1200	dnl AC_CHECKING(FEATURE-DESCRIPTION)
1201	define(AC_CHECKING,
1202	[echo "checking $1" 1>&AC_FD_MSG
1203	echo "configure:__oline__: checking $1" >&AC_FD_CC])
1204
1205	dnl AC_MSG_RESULT(RESULT-DESCRIPTION)
1206	define(AC_MSG_RESULT,
1207	[echo "$ac_t""$1" 1>&AC_FD_MSG])
1208
1209	dnl AC_VERBOSE(RESULT-DESCRIPTION)
1210	define(AC_VERBOSE,
1211	[AC_OBSOLETE([$0], [; instead use AC_MSG_RESULT])dnl
1212	echo " $1" 1>&AC_FD_MSG])
1213
1214	dnl AC_MSG_WARN(PROBLEM-DESCRIPTION)
1215	define(AC_MSG_WARN,
1216	[echo "configure: warning: $1" 1>&2])
1217
1218	dnl AC_MSG_ERROR(ERROR-DESCRIPTION)
1219	define(AC_MSG_ERROR,
1220	[{ echo "configure: error: $1" 1>&2; exit 1; }])
1221
1222
1223	dnl ### Selecting which language to use for testing
1224
1225
1226	dnl AC_LANG_C()
1227	AC_DEFUN(AC_LANG_C,
1228	[define([AC_LANG], [C])dnl
1229	ac_ext=c
1230	# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
1231	ac_cpp='$CPP $CPPFLAGS'
1232	ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&AC_FD_CC'
1233	ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&AC_FD_CC'
1234	cross_compiling=$ac_cv_prog_cc_cross
1235	])
1236
1237	dnl AC_LANG_CPLUSPLUS()
1238	AC_DEFUN(AC_LANG_CPLUSPLUS,
1239	[define([AC_LANG], [CPLUSPLUS])dnl
1240	ac_ext=C
1241	# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
1242	ac_cpp='$CXXCPP $CPPFLAGS'
1243	ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&AC_FD_CC'
1244	ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&AC_FD_CC'
1245	cross_compiling=$ac_cv_prog_cxx_cross
1246	])
1247
1248	dnl AC_LANG_FORTRAN77()
1249	AC_DEFUN(AC_LANG_FORTRAN77,
1250	[define([AC_LANG], [FORTRAN77])dnl
1251	ac_ext=f
1252	ac_compile='${F77-f77} -c $FFLAGS conftest.$ac_ext 1>&AC_FD_CC'
1253	ac_link='${F77-f77} -o conftest${ac_exeext} $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&AC_FD_CC'
1254	cross_compiling=$ac_cv_prog_f77_cross
1255	])
1256
1257	dnl Push the current language on a stack.
1258	dnl AC_LANG_SAVE()
1259	define(AC_LANG_SAVE,
1260	[pushdef([AC_LANG_STACK], AC_LANG)])
1261
1262	dnl Restore the current language from the stack.
1263	dnl AC_LANG_RESTORE()
1264	pushdef([AC_LANG_RESTORE],
1265	[ifelse(AC_LANG_STACK, [C], [AC_LANG_C],dnl
1266	AC_LANG_STACK, [CPLUSPLUS], [AC_LANG_CPLUSPLUS],dnl
1267	AC_LANG_STACK, [FORTRAN77], [AC_LANG_FORTRAN77])[]popdef([AC_LANG_STACK])])
1268
1269
1270	dnl ### Compiler-running mechanics
1271
1272
1273	dnl The purpose of this macro is to "configure:123: command line"
1274	dnl written into config.log for every test run.
1275	dnl AC_TRY_EVAL(VARIABLE)
1276	AC_DEFUN(AC_TRY_EVAL,
1277	[{ (eval echo configure:__oline__: \"[$]$1\") 1>&AC_FD_CC; dnl
1278	(eval [$]$1) 2>&AC_FD_CC; }])
1279
1280	dnl AC_TRY_COMMAND(COMMAND)
1281	AC_DEFUN(AC_TRY_COMMAND,
1282	[{ ac_try='$1'; AC_TRY_EVAL(ac_try); }])
1283
1284
1285	dnl ### Dependencies between macros
1286
1287
1288	dnl AC_BEFORE(THIS-MACRO-NAME, CALLED-MACRO-NAME)
1289	define(AC_BEFORE,
1290	[ifdef([AC_PROVIDE_$2], [errprint(__file__:__line__: [$2 was called before $1
1291	])])])
1292
1293	dnl AC_REQUIRE(MACRO-NAME)
1294	define(AC_REQUIRE,
1295	[ifdef([AC_PROVIDE_$1], ,
1296	[AC_DIVERT_PUSH(builtin(eval, AC_DIVERSION_CURRENT - 1))dnl
1297	indir([$1])
1298	AC_DIVERT_POP()dnl
1299	])])
1300
1301	dnl AC_PROVIDE(MACRO-NAME)
1302	define(AC_PROVIDE,
1303	[define([AC_PROVIDE_$1], )])
1304
1305	dnl AC_OBSOLETE(THIS-MACRO-NAME [, SUGGESTION])
1306	define(AC_OBSOLETE,
1307	[errprint(__file__:__line__: warning: [$1] is obsolete[$2]
1308	)])
1309
1310
1311	dnl ### Checking for programs
1312
1313
1314	dnl AC_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR, VALUE-IF-FOUND
1315	dnl [, [VALUE-IF-NOT-FOUND] [, [PATH] [, [REJECT]]]])
1316	AC_DEFUN(AC_CHECK_PROG,
1317	[# Extract the first word of "$2", so it can be a program name with args.
1318	set dummy $2; ac_word=[$]2
1319	AC_MSG_CHECKING([for $ac_word])
1320	AC_CACHE_VAL(ac_cv_prog_$1,
1321	[if test -n "[$]$1"; then
1322	ac_cv_prog_$1="[$]$1" # Let the user override the test.
1323	else
1324	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
1325	ifelse([$6], , , [ ac_prog_rejected=no
1326	])dnl
1327	dnl $ac_dummy forces splitting on constant user-supplied paths.
1328	dnl POSIX.2 word splitting is done only on the output of word expansions,
1329	dnl not every word. This closes a longstanding sh security hole.
1330	ac_dummy="ifelse([$5], , $PATH, [$5])"
1331	for ac_dir in $ac_dummy; do
1332	test -z "$ac_dir" && ac_dir=.
1333	if test -f $ac_dir/$ac_word; then
1334	ifelse([$6], , , dnl
1335	[ if test "[$ac_dir/$ac_word]" = "$6"; then
1336	ac_prog_rejected=yes
1337	continue
1338	fi
1339	])dnl
1340	ac_cv_prog_$1="$3"
1341	break
1342	fi
1343	done
1344	IFS="$ac_save_ifs"
1345	ifelse([$6], , , [if test $ac_prog_rejected = yes; then
1346	# We found a bogon in the path, so make sure we never use it.
1347	set dummy [$]ac_cv_prog_$1
1348	shift
1349	if test [$]# -gt 0; then
1350	# We chose a different compiler from the bogus one.
1351	# However, it has the same basename, so the bogon will be chosen
1352	# first if we set $1 to just the basename; use the full file name.
1353	shift
1354	set dummy "$ac_dir/$ac_word" "[$]@"
1355	shift
1356	ac_cv_prog_$1="[$]@"
1357	ifelse([$2], [$4], dnl
1358	[ else
1359	# Default is a loser.
1360	AC_MSG_ERROR([$1=$6 unacceptable, but no other $4 found in dnl
1361	ifelse([$5], , [\$]PATH, [$5])])
1362	])dnl
1363	fi
1364	fi
1365	])dnl
1366	dnl If no 4th arg is given, leave the cache variable unset,
1367	dnl so AC_CHECK_PROGS will keep looking.
1368	ifelse([$4], , , [ test -z "[$]ac_cv_prog_$1" && ac_cv_prog_$1="$4"
1369	])dnl
1370	fi])dnl
1371	$1="$ac_cv_prog_$1"
1372	if test -n "[$]$1"; then
1373	AC_MSG_RESULT([$]$1)
1374	else
1375	AC_MSG_RESULT(no)
1376	fi
1377	AC_SUBST($1)dnl
1378	])
1379
1380	dnl AC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND [, PATH]])
1381	AC_DEFUN(AC_PATH_PROG,
1382	[# Extract the first word of "$2", so it can be a program name with args.
1383	set dummy $2; ac_word=[$]2
1384	AC_MSG_CHECKING([for $ac_word])
1385	AC_CACHE_VAL(ac_cv_path_$1,
1386	[case "[$]$1" in
1387	/*)
1388	ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
1389	;;
1390	?:/*)
1391	ac_cv_path_$1="[$]$1" # Let the user override the test with a dos path.
1392	;;
1393	*)
1394	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
1395	dnl $ac_dummy forces splitting on constant user-supplied paths.
1396	dnl POSIX.2 word splitting is done only on the output of word expansions,
1397	dnl not every word. This closes a longstanding sh security hole.
1398	ac_dummy="ifelse([$4], , $PATH, [$4])"
1399	for ac_dir in $ac_dummy; do
1400	test -z "$ac_dir" && ac_dir=.
1401	if test -f $ac_dir/$ac_word; then
1402	ac_cv_path_$1="$ac_dir/$ac_word"
1403	break
1404	fi
1405	done
1406	IFS="$ac_save_ifs"
1407	dnl If no 3rd arg is given, leave the cache variable unset,
1408	dnl so AC_PATH_PROGS will keep looking.
1409	ifelse([$3], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$3"
1410	])dnl
1411	;;
1412	esac])dnl
1413	$1="$ac_cv_path_$1"
1414	if test -n "[$]$1"; then
1415	AC_MSG_RESULT([$]$1)
1416	else
1417	AC_MSG_RESULT(no)
1418	fi
1419	AC_SUBST($1)dnl
1420	])
1421
1422	dnl AC_CHECK_PROGS(VARIABLE, PROGS-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND
1423	dnl [, PATH]])
1424	AC_DEFUN(AC_CHECK_PROGS,
1425	[for ac_prog in $2
1426	do
1427	AC_CHECK_PROG($1, [$]ac_prog, [$]ac_prog, , $4)
1428	test -n "[$]$1" && break
1429	done
1430	ifelse([$3], , , [test -n "[$]$1" \|\| $1="$3"
1431	])])
1432
1433	dnl AC_PATH_PROGS(VARIABLE, PROGS-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND
1434	dnl [, PATH]])
1435	AC_DEFUN(AC_PATH_PROGS,
1436	[for ac_prog in $2
1437	do
1438	AC_PATH_PROG($1, [$]ac_prog, , $4)
1439	test -n "[$]$1" && break
1440	done
1441	ifelse([$3], , , [test -n "[$]$1" \|\| $1="$3"
1442	])])
1443
1444	dnl Internal subroutine.
1445	AC_DEFUN(AC_CHECK_TOOL_PREFIX,
1446	[AC_REQUIRE([AC_CANONICAL_HOST])AC_REQUIRE([AC_CANONICAL_BUILD])dnl
1447	if test $host != $build; then
1448	ac_tool_prefix=${host_alias}-
1449	else
1450	ac_tool_prefix=
1451	fi
1452	])
1453
1454	dnl AC_CHECK_TOOL(VARIABLE, PROG-TO-CHECK-FOR[, VALUE-IF-NOT-FOUND [, PATH]])
1455	AC_DEFUN(AC_CHECK_TOOL,
1456	[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
1457	AC_CHECK_PROG($1, ${ac_tool_prefix}$2, ${ac_tool_prefix}$2,
1458	ifelse([$3], , [$2], ), $4)
1459	ifelse([$3], , , [
1460	if test -z "$ac_cv_prog_$1"; then
1461	if test -n "$ac_tool_prefix"; then
1462	AC_CHECK_PROG($1, $2, $2, $3)
1463	else
1464	$1="$3"
1465	fi
1466	fi])
1467	])
1468
1469	dnl Guess the value for the `prefix' variable by looking for
1470	dnl the argument program along PATH and taking its parent.
1471	dnl Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc,
1472	dnl set `prefix' to /usr/local/gnu.
1473	dnl This comes too late to find a site file based on the prefix,
1474	dnl and it might use a cached value for the path.
1475	dnl No big loss, I think, since most configures don't use this macro anyway.
1476	dnl AC_PREFIX_PROGRAM(PROGRAM)
1477	AC_DEFUN(AC_PREFIX_PROGRAM,
1478	[if test "x$prefix" = xNONE; then
1479	changequote(<<, >>)dnl
1480	define(<<AC_VAR_NAME>>, translit($1, [a-z], [A-Z]))dnl
1481	changequote([, ])dnl
1482	dnl We reimplement AC_MSG_CHECKING (mostly) to avoid the ... in the middle.
1483	echo $ac_n "checking for prefix by $ac_c" 1>&AC_FD_MSG
1484	AC_PATH_PROG(AC_VAR_NAME, $1)
1485	changequote(<<, >>)dnl
1486	if test -n "$ac_cv_path_<<>>AC_VAR_NAME"; then
1487	prefix=`echo $ac_cv_path_<<>>AC_VAR_NAME\|sed 's%/[^/][^/]//[^/][^/]*$%%'`
1488	changequote([, ])dnl
1489	fi
1490	fi
1491	undefine([AC_VAR_NAME])dnl
1492	])
1493
1494	dnl Try to compile, link and execute TEST-PROGRAM. Set WORKING-VAR to
1495	dnl `yes' if the current compiler works, otherwise set it ti `no'. Set
1496	dnl CROSS-VAR to `yes' if the compiler and linker produce non-native
1497	dnl executables, otherwise set it to `no'. Before calling
1498	dnl `AC_TRY_COMPILER()', call `AC_LANG_*' to set-up for the right
1499	dnl language.
1500	dnl
1501	dnl AC_TRY_COMPILER(TEST-PROGRAM, WORKING-VAR, CROSS-VAR)
1502	AC_DEFUN(AC_TRY_COMPILER,
1503	[cat > conftest.$ac_ext << EOF
1504	ifelse(AC_LANG, [FORTRAN77], ,
1505	[
1506	[#]line __oline__ "configure"
1507	#include "confdefs.h"
1508	])
1509	[$1]
1510	EOF
1511	if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
1512	[$2]=yes
1513	# If we can't run a trivial program, we are probably using a cross compiler.
1514	if (./conftest; exit) 2>/dev/null; then
1515	[$3]=no
1516	else
1517	[$3]=yes
1518	fi
1519	else
1520	echo "configure: failed program was:" >&AC_FD_CC
1521	cat conftest.$ac_ext >&AC_FD_CC
1522	[$2]=no
1523	fi
1524	rm -fr conftest*])
1525
1526
1527	dnl ### Checking for libraries
1528
1529
1530	dnl AC_TRY_LINK_FUNC(func, action-if-found, action-if-not-found)
1531	dnl Try to link a program that calls FUNC, handling GCC builtins. If
1532	dnl the link succeeds, execute ACTION-IF-FOUND; otherwise, execute
1533	dnl ACTION-IF-NOT-FOUND.
1534
1535	AC_DEFUN(AC_TRY_LINK_FUNC,
1536	AC_TRY_LINK(dnl
1537	ifelse([$1], [main], , dnl Avoid conflicting decl of main.
1538	[/* Override any gcc2 internal prototype to avoid an error. */
1539	]ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
1540	extern "C"
1541	#endif
1542	])dnl
1543	[/* We use char because int might match the return type of a gcc2
1544	builtin and then its argument prototype would still apply. */
1545	char $1();
1546	]),
1547	[$1()],
1548	[$2],
1549	[$3]))
1550
1551
1552	dnl AC_SEARCH_LIBS(FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND
1553	dnl [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]])
1554	dnl Search for a library defining FUNC, if it's not already available.
1555
1556	AC_DEFUN(AC_SEARCH_LIBS,
1557	[AC_PREREQ([2.13])
1558	AC_CACHE_CHECK([for library containing $1], [ac_cv_search_$1],
1559	[ac_func_search_save_LIBS="$LIBS"
1560	ac_cv_search_$1="no"
1561	AC_TRY_LINK_FUNC([$1], [ac_cv_search_$1="none required"])
1562	test "$ac_cv_search_$1" = "no" && for i in $2; do
1563	LIBS="-l$i $5 $ac_func_search_save_LIBS"
1564	AC_TRY_LINK_FUNC([$1],
1565	[ac_cv_search_$1="-l$i"
1566	break])
1567	done
1568	LIBS="$ac_func_search_save_LIBS"])
1569	if test "$ac_cv_search_$1" != "no"; then
1570	test "$ac_cv_search_$1" = "none required" \|\| LIBS="$ac_cv_search_$1 $LIBS"
1571	$3
1572	else :
1573	$4
1574	fi])
1575
1576
1577
1578	dnl AC_CHECK_LIB(LIBRARY, FUNCTION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
1579	dnl [, OTHER-LIBRARIES]]])
1580	AC_DEFUN(AC_CHECK_LIB,
1581	[AC_MSG_CHECKING([for $2 in -l$1])
1582	dnl Use a cache variable name containing both the library and function name,
1583	dnl because the test really is for library $1 defining function $2, not
1584	dnl just for library $1. Separate tests with the same $1 and different $2s
1585	dnl may have different results.
1586	ac_lib_var=`echo $1['_']$2 \| sed 'y%./+-%__p_%'`
1587	AC_CACHE_VAL(ac_cv_lib_$ac_lib_var,
1588	[ac_save_LIBS="$LIBS"
1589	LIBS="-l$1 $5 $LIBS"
1590	AC_TRY_LINK(dnl
1591	ifelse(AC_LANG, [FORTRAN77], ,
1592	ifelse([$2], [main], , dnl Avoid conflicting decl of main.
1593	[/* Override any gcc2 internal prototype to avoid an error. */
1594	]ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
1595	extern "C"
1596	#endif
1597	])dnl
1598	[/* We use char because int might match the return type of a gcc2
1599	builtin and then its argument prototype would still apply. */
1600	char $2();
1601	])),
1602	[$2()],
1603	eval "ac_cv_lib_$ac_lib_var=yes",
1604	eval "ac_cv_lib_$ac_lib_var=no")
1605	LIBS="$ac_save_LIBS"
1606	])dnl
1607	if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1608	AC_MSG_RESULT(yes)
1609	ifelse([$3], ,
1610	[changequote(, )dnl
1611	ac_tr_lib=HAVE_LIB`echo $1 \| sed -e 's/[^a-zA-Z0-9_]/_/g' \
1612	-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
1613	changequote([, ])dnl
1614	AC_DEFINE_UNQUOTED($ac_tr_lib)
1615	LIBS="-l$1 $LIBS"
1616	], [$3])
1617	else
1618	AC_MSG_RESULT(no)
1619	ifelse([$4], , , [$4
1620	])dnl
1621	fi
1622	])
1623
1624	dnl AC_HAVE_LIBRARY(LIBRARY, [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
1625	dnl [, OTHER-LIBRARIES]]])
1626	AC_DEFUN(AC_HAVE_LIBRARY,
1627	[AC_OBSOLETE([$0], [; instead use AC_CHECK_LIB])dnl
1628	changequote(<<, >>)dnl
1629	define(<<AC_LIB_NAME>>, dnl
1630	patsubst(patsubst($1, <<lib$[^\.]*$\.a>>, <<\1>>), <<-l>>, <<>>))dnl
1631	define(<<AC_CV_NAME>>, ac_cv_lib_<<>>AC_LIB_NAME)dnl
1632	changequote([, ])dnl
1633	AC_MSG_CHECKING([for -l[]AC_LIB_NAME])
1634	AC_CACHE_VAL(AC_CV_NAME,
1635	[ac_save_LIBS="$LIBS"
1636	LIBS="-l[]AC_LIB_NAME[] $4 $LIBS"
1637	AC_TRY_LINK( , [main()], AC_CV_NAME=yes, AC_CV_NAME=no)
1638	LIBS="$ac_save_LIBS"
1639	])dnl
1640	AC_MSG_RESULT($AC_CV_NAME)
1641	if test "$AC_CV_NAME" = yes; then
1642	ifelse([$2], ,
1643	[AC_DEFINE([HAVE_LIB]translit(AC_LIB_NAME, [a-z], [A-Z]))
1644	LIBS="-l[]AC_LIB_NAME[] $LIBS"
1645	], [$2])
1646	ifelse([$3], , , [else
1647	$3
1648	])dnl
1649	fi
1650	undefine([AC_LIB_NAME])dnl
1651	undefine([AC_CV_NAME])dnl
1652	])
1653
1654
1655	dnl ### Examining declarations
1656
1657
1658	dnl AC_TRY_CPP(INCLUDES, [ACTION-IF-TRUE [, ACTION-IF-FALSE]])
1659	AC_DEFUN(AC_TRY_CPP,
1660	[AC_REQUIRE_CPP()dnl
1661	cat > conftest.$ac_ext <<EOF
1662	[#]line __oline__ "configure"
1663	#include "confdefs.h"
1664	[$1]
1665	EOF
1666	dnl Capture the stderr of cpp. eval is necessary to expand ac_cpp.
1667	dnl We used to copy stderr to stdout and capture it in a variable, but
1668	dnl that breaks under sh -x, which writes compile commands starting
1669	dnl with ` +' to stderr in eval and subshells.
1670	ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
1671	AC_TRY_EVAL(ac_try)
1672	ac_err=`grep -v '^ *+' conftest.out \| grep -v "^conftest.${ac_ext}\$"`
1673	if test -z "$ac_err"; then
1674	ifelse([$2], , :, [rm -rf conftest*
1675	$2])
1676	else
1677	echo "$ac_err" >&AC_FD_CC
1678	echo "configure: failed program was:" >&AC_FD_CC
1679	cat conftest.$ac_ext >&AC_FD_CC
1680	ifelse([$3], , , [ rm -rf conftest*
1681	$3
1682	])dnl
1683	fi
1684	rm -f conftest*])
1685
1686	dnl AC_EGREP_HEADER(PATTERN, HEADER-FILE, ACTION-IF-FOUND [,
1687	dnl ACTION-IF-NOT-FOUND])
1688	AC_DEFUN(AC_EGREP_HEADER,
1689	[AC_EGREP_CPP([$1], [#include <$2>], [$3], [$4])])
1690
1691	dnl Because this macro is used by AC_PROG_GCC_TRADITIONAL, which must
1692	dnl come early, it is not included in AC_BEFORE checks.
1693	dnl AC_EGREP_CPP(PATTERN, PROGRAM, [ACTION-IF-FOUND [,
1694	dnl ACTION-IF-NOT-FOUND]])
1695	AC_DEFUN(AC_EGREP_CPP,
1696	[AC_REQUIRE_CPP()dnl
1697	cat > conftest.$ac_ext <<EOF
1698	[#]line __oline__ "configure"
1699	#include "confdefs.h"
1700	[$2]
1701	EOF
1702	dnl eval is necessary to expand ac_cpp.
1703	dnl Ultrix and Pyramid sh refuse to redirect output of eval, so use subshell.
1704	if (eval "$ac_cpp conftest.$ac_ext") 2>&AC_FD_CC \|
1705	dnl Prevent m4 from eating character classes:
1706	changequote(, )dnl
1707	egrep "$1" >/dev/null 2>&1; then
1708	changequote([, ])dnl
1709	ifelse([$3], , :, [rm -rf conftest*
1710	$3])
1711	ifelse([$4], , , [else
1712	rm -rf conftest*
1713	$4
1714	])dnl
1715	fi
1716	rm -f conftest*
1717	])
1718
1719
1720	dnl ### Examining syntax
1721
1722
1723	dnl AC_TRY_COMPILE(INCLUDES, FUNCTION-BODY,
1724	dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
1725	AC_DEFUN(AC_TRY_COMPILE,
1726	[cat > conftest.$ac_ext <<EOF
1727	ifelse(AC_LANG, [FORTRAN77],
1728	[ program main
1729	[$2]
1730	end],
1731	[dnl This sometimes fails to find confdefs.h, for some reason.
1732	dnl [#]line __oline__ "[$]0"
1733	[#]line __oline__ "configure"
1734	#include "confdefs.h"
1735	[$1]
1736	int main() {
1737	[$2]
1738	; return 0; }
1739	])EOF
1740	if AC_TRY_EVAL(ac_compile); then
1741	ifelse([$3], , :, [rm -rf conftest*
1742	$3])
1743	else
1744	echo "configure: failed program was:" >&AC_FD_CC
1745	cat conftest.$ac_ext >&AC_FD_CC
1746	ifelse([$4], , , [ rm -rf conftest*
1747	$4
1748	])dnl
1749	fi
1750	rm -f conftest*])
1751
1752
1753	dnl ### Examining libraries
1754
1755
1756	dnl AC_COMPILE_CHECK(ECHO-TEXT, INCLUDES, FUNCTION-BODY,
1757	dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
1758	AC_DEFUN(AC_COMPILE_CHECK,
1759	[AC_OBSOLETE([$0], [; instead use AC_TRY_COMPILE or AC_TRY_LINK, and AC_MSG_CHECKING and AC_MSG_RESULT])dnl
1760	ifelse([$1], , , [AC_CHECKING([for $1])
1761	])dnl
1762	AC_TRY_LINK([$2], [$3], [$4], [$5])
1763	])
1764
1765	dnl AC_TRY_LINK(INCLUDES, FUNCTION-BODY,
1766	dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
1767	AC_DEFUN(AC_TRY_LINK,
1768	[cat > conftest.$ac_ext <<EOF
1769	ifelse(AC_LANG, [FORTRAN77],
1770	[
1771	program main
1772	call [$2]
1773	end
1774	],
1775	[dnl This sometimes fails to find confdefs.h, for some reason.
1776	dnl [#]line __oline__ "[$]0"
1777	[#]line __oline__ "configure"
1778	#include "confdefs.h"
1779	[$1]
1780	int main() {
1781	[$2]
1782	; return 0; }
1783	])EOF
1784	if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
1785	ifelse([$3], , :, [rm -rf conftest*
1786	$3])
1787	else
1788	echo "configure: failed program was:" >&AC_FD_CC
1789	cat conftest.$ac_ext >&AC_FD_CC
1790	ifelse([$4], , , [ rm -rf conftest*
1791	$4
1792	])dnl
1793	fi
1794	rm -f conftest*])
1795
1796
1797	dnl ### Checking for run-time features
1798
1799
1800	dnl AC_TRY_RUN(PROGRAM, [ACTION-IF-TRUE [, ACTION-IF-FALSE
1801	dnl [, ACTION-IF-CROSS-COMPILING]]])
1802	AC_DEFUN(AC_TRY_RUN,
1803	[if test "$cross_compiling" = yes; then
1804	ifelse([$4], ,
1805	[errprint(__file__:__line__: warning: [AC_TRY_RUN] called without default to allow cross compiling
1806	)dnl
1807	AC_MSG_ERROR(can not run test program while cross compiling)],
1808	[$4])
1809	else
1810	AC_TRY_RUN_NATIVE([$1], [$2], [$3])
1811	fi
1812	])
1813
1814	dnl Like AC_TRY_RUN but assumes a native-environment (non-cross) compiler.
1815	dnl AC_TRY_RUN_NATIVE(PROGRAM, [ACTION-IF-TRUE [, ACTION-IF-FALSE]])
1816	AC_DEFUN(AC_TRY_RUN_NATIVE,
1817	[cat > conftest.$ac_ext <<EOF
1818	[#]line __oline__ "configure"
1819	#include "confdefs.h"
1820	ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
1821	extern "C" void exit(int);
1822	#endif
1823	])dnl
1824	[$1]
1825	EOF
1826	if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
1827	then
1828	dnl Don't remove the temporary files here, so they can be examined.
1829	ifelse([$2], , :, [$2])
1830	else
1831	echo "configure: failed program was:" >&AC_FD_CC
1832	cat conftest.$ac_ext >&AC_FD_CC
1833	ifelse([$3], , , [ rm -fr conftest*
1834	$3
1835	])dnl
1836	fi
1837	rm -fr conftest*])
1838
1839
1840	dnl ### Checking for header files
1841
1842
1843	dnl AC_CHECK_HEADER(HEADER-FILE, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
1844	AC_DEFUN(AC_CHECK_HEADER,
1845	[dnl Do the transliteration at runtime so arg 1 can be a shell variable.
1846	ac_safe=`echo "$1" \| sed 'y%./+-%__p_%'`
1847	AC_MSG_CHECKING([for $1])
1848	AC_CACHE_VAL(ac_cv_header_$ac_safe,
1849	[AC_TRY_CPP([#include <$1>], eval "ac_cv_header_$ac_safe=yes",
1850	eval "ac_cv_header_$ac_safe=no")])dnl
1851	if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
1852	AC_MSG_RESULT(yes)
1853	ifelse([$2], , :, [$2])
1854	else
1855	AC_MSG_RESULT(no)
1856	ifelse([$3], , , [$3
1857	])dnl
1858	fi
1859	])
1860
1861	dnl AC_CHECK_HEADERS(HEADER-FILE... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
1862	AC_DEFUN(AC_CHECK_HEADERS,
1863	[for ac_hdr in $1
1864	do
1865	AC_CHECK_HEADER($ac_hdr,
1866	[changequote(, )dnl
1867	ac_tr_hdr=HAVE_`echo $ac_hdr \| sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
1868	changequote([, ])dnl
1869	AC_DEFINE_UNQUOTED($ac_tr_hdr) $2], $3)dnl
1870	done
1871	])
1872
1873
1874	dnl ### Checking for the existence of files
1875
1876	dnl AC_CHECK_FILE(FILE, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
1877	AC_DEFUN(AC_CHECK_FILE,
1878	[AC_REQUIRE([AC_PROG_CC])
1879	dnl Do the transliteration at runtime so arg 1 can be a shell variable.
1880	ac_safe=`echo "$1" \| sed 'y%./+-%__p_%'`
1881	AC_MSG_CHECKING([for $1])
1882	AC_CACHE_VAL(ac_cv_file_$ac_safe,
1883	[if test "$cross_compiling" = yes; then
1884	errprint(__file__:__line__: warning: Cannot check for file existence when cross compiling
1885	)dnl
1886	AC_MSG_ERROR(Cannot check for file existence when cross compiling)
1887	else
1888	if test -r $1; then
1889	eval "ac_cv_file_$ac_safe=yes"
1890	else
1891	eval "ac_cv_file_$ac_safe=no"
1892	fi
1893	fi])dnl
1894	if eval "test \"`echo '$ac_cv_file_'$ac_safe`\" = yes"; then
1895	AC_MSG_RESULT(yes)
1896	ifelse([$2], , :, [$2])
1897	else
1898	AC_MSG_RESULT(no)
1899	ifelse([$3], , , [$3])
1900	fi
1901	])
1902
1903	dnl AC_CHECK_FILES(FILE... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
1904	AC_DEFUN(AC_CHECK_FILES,
1905	[for ac_file in $1
1906	do
1907	AC_CHECK_FILE($ac_file,
1908	[changequote(, )dnl
1909	ac_tr_file=HAVE_`echo $ac_file \| sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
1910	changequote([, ])dnl
1911	AC_DEFINE_UNQUOTED($ac_tr_file) $2], $3)dnl
1912	done
1913	])
1914
1915
1916	dnl ### Checking for library functions
1917
1918
1919	dnl AC_CHECK_FUNC(FUNCTION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
1920	AC_DEFUN(AC_CHECK_FUNC,
1921	[AC_MSG_CHECKING([for $1])
1922	AC_CACHE_VAL(ac_cv_func_$1,
1923	[AC_TRY_LINK(
1924	dnl Don't include <ctype.h> because on OSF/1 3.0 it includes <sys/types.h>
1925	dnl which includes <sys/select.h> which contains a prototype for
1926	dnl select. Similarly for bzero.
1927	[/* System header to define __stub macros and hopefully few prototypes,
1928	which can conflict with char $1(); below. */
1929	#include <assert.h>
1930	/* Override any gcc2 internal prototype to avoid an error. */
1931	]ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
1932	extern "C"
1933	#endif
1934	])dnl
1935	[/* We use char because int might match the return type of a gcc2
1936	builtin and then its argument prototype would still apply. */
1937	char $1();
1938	], [
1939	/* The GNU C library defines this for functions which it implements
1940	to always fail with ENOSYS. Some functions are actually named
1941	something starting with __ and the normal name is an alias. */
1942	#if defined (__stub_$1) \|\| defined (__stub___$1)
1943	choke me
1944	#else
1945	$1();
1946	#endif
1947	], eval "ac_cv_func_$1=yes", eval "ac_cv_func_$1=no")])
1948	if eval "test \"`echo '$ac_cv_func_'$1`\" = yes"; then
1949	AC_MSG_RESULT(yes)
1950	ifelse([$2], , :, [$2])
1951	else
1952	AC_MSG_RESULT(no)
1953	ifelse([$3], , , [$3
1954	])dnl
1955	fi
1956	])
1957
1958	dnl AC_CHECK_FUNCS(FUNCTION... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
1959	AC_DEFUN(AC_CHECK_FUNCS,
1960	[for ac_func in $1
1961	do
1962	AC_CHECK_FUNC($ac_func,
1963	[changequote(, )dnl
1964	ac_tr_func=HAVE_`echo $ac_func \| tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
1965	changequote([, ])dnl
1966	AC_DEFINE_UNQUOTED($ac_tr_func) $2], $3)dnl
1967	done
1968	])
1969
1970	dnl AC_REPLACE_FUNCS(FUNCTION...)
1971	AC_DEFUN(AC_REPLACE_FUNCS,
1972	[AC_CHECK_FUNCS([$1], , [LIBOBJS="$LIBOBJS ${ac_func}.${ac_objext}"])
1973	AC_SUBST(LIBOBJS)dnl
1974	])
1975
1976
1977	dnl ### Checking compiler characteristics
1978
1979
1980	dnl AC_CHECK_SIZEOF(TYPE [, CROSS-SIZE])
1981	AC_DEFUN(AC_CHECK_SIZEOF,
1982	[changequote(<<, >>)dnl
1983	dnl The name to #define.
1984	define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
1985	dnl The cache variable name.
1986	define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
1987	changequote([, ])dnl
1988	AC_MSG_CHECKING(size of $1)
1989	AC_CACHE_VAL(AC_CV_NAME,
1990	[AC_TRY_RUN([#include <stdio.h>
1991	main()
1992	{
1993	FILE *f=fopen("conftestval", "w");
1994	if (!f) exit(1);
1995	fprintf(f, "%d\n", sizeof($1));
1996	exit(0);
1997	}], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, ifelse([$2], , , AC_CV_NAME=$2))])dnl
1998	AC_MSG_RESULT($AC_CV_NAME)
1999	AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
2000	undefine([AC_TYPE_NAME])dnl
2001	undefine([AC_CV_NAME])dnl
2002	])
2003
2004
2005	dnl ### Checking for typedefs
2006
2007
2008	dnl AC_CHECK_TYPE(TYPE, DEFAULT)
2009	AC_DEFUN(AC_CHECK_TYPE,
2010	[AC_REQUIRE([AC_HEADER_STDC])dnl
2011	AC_MSG_CHECKING(for $1)
2012	AC_CACHE_VAL(ac_cv_type_$1,
2013	[AC_EGREP_CPP(dnl
2014	changequote(<<,>>)dnl
2015	<<(^\|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]>>dnl
2016	changequote([,]), [#include <sys/types.h>
2017	#if STDC_HEADERS
2018	#include <stdlib.h>
2019	#include <stddef.h>
2020	#endif], ac_cv_type_$1=yes, ac_cv_type_$1=no)])dnl
2021	AC_MSG_RESULT($ac_cv_type_$1)
2022	if test $ac_cv_type_$1 = no; then
2023	AC_DEFINE($1, $2)
2024	fi
2025	])
2026
2027
2028	dnl ### Creating output files
2029
2030
2031	dnl AC_CONFIG_HEADER(HEADER-TO-CREATE ...)
2032	AC_DEFUN(AC_CONFIG_HEADER,
2033	[define(AC_LIST_HEADER, $1)])
2034
2035	dnl Link each of the existing files SOURCE... to the corresponding
2036	dnl link name in DEST...
2037	dnl AC_LINK_FILES(SOURCE..., DEST...)
2038	AC_DEFUN(AC_LINK_FILES,
2039	[dnl
2040	define([AC_LIST_FILES], ifdef([AC_LIST_FILES], [AC_LIST_FILES ],)[$1])dnl
2041	define([AC_LIST_LINKS], ifdef([AC_LIST_LINKS], [AC_LIST_LINKS ],)[$2])])
2042
2043	dnl Add additional commands for AC_OUTPUT to put into config.status.
2044	dnl Use diversions instead of macros so we can be robust in the
2045	dnl presence of commas in $1 and/or $2.
2046	dnl AC_OUTPUT_COMMANDS(EXTRA-CMDS, INIT-CMDS)
2047	AC_DEFUN(AC_OUTPUT_COMMANDS,
2048	[AC_DIVERT_PUSH(AC_DIVERSION_CMDS)dnl
2049	[$1]
2050	AC_DIVERT_POP()dnl
2051	AC_DIVERT_PUSH(AC_DIVERSION_ICMDS)dnl
2052	[$2]
2053	AC_DIVERT_POP()])
2054
2055	dnl AC_CONFIG_SUBDIRS(DIR ...)
2056	AC_DEFUN(AC_CONFIG_SUBDIRS,
2057	[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
2058	define([AC_LIST_SUBDIRS], ifdef([AC_LIST_SUBDIRS], [AC_LIST_SUBDIRS ],)[$1])dnl
2059	subdirs="AC_LIST_SUBDIRS"
2060	AC_SUBST(subdirs)dnl
2061	])
2062
2063	dnl The big finish.
2064	dnl Produce config.status, config.h, and links; and configure subdirs.
2065	dnl AC_OUTPUT([FILE...] [, EXTRA-CMDS] [, INIT-CMDS])
2066	define(AC_OUTPUT,
2067	[trap '' 1 2 15
2068	AC_CACHE_SAVE
2069	trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
2070
2071	test "x$prefix" = xNONE && prefix=$ac_default_prefix
2072	# Let make expand exec_prefix.
2073	test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
2074
2075	# Any assignment to VPATH causes Sun make to only execute
2076	# the first set of double-colon rules, so remove it if not needed.
2077	# If there is a colon in the path, we need to keep it.
2078	if test "x$srcdir" = x.; then
2079	changequote(, )dnl
2080	ac_vpsub='/^[ ]VPATH[ ]=[^:]*$/d'
2081	changequote([, ])dnl
2082	fi
2083
2084	trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
2085
2086	ifdef([AC_LIST_HEADER], [DEFS=-DHAVE_CONFIG_H], [AC_OUTPUT_MAKE_DEFS()])
2087
2088	# Without the "./", some shells look in PATH for config.status.
2089	: ${CONFIG_STATUS=./config.status}
2090
2091	echo creating $CONFIG_STATUS
2092	rm -f $CONFIG_STATUS
2093	cat > $CONFIG_STATUS <<EOF
2094	#! /bin/sh
2095	# Generated automatically by configure.
2096	# Run this file to recreate the current configuration.
2097	# This directory was configured as follows,
2098	dnl hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
2099	dnl so uname gets run too.
2100	# on host `(hostname \|\| uname -n) 2>/dev/null \| sed 1q`:
2101	#
2102	[#] [$]0 [$]ac_configure_args
2103	#
2104	# Compiler output produced by configure, useful for debugging
2105	# configure, is in ./config.log if it exists.
2106
2107	changequote(, )dnl
2108	ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
2109	changequote([, ])dnl
2110	for ac_option
2111	do
2112	case "[\$]ac_option" in
2113	-recheck \| --recheck \| --rechec \| --reche \| --rech \| --rec \| --re \| --r)
2114	echo "running [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]ac_configure_args --no-create --no-recursion"
2115	exec [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]ac_configure_args --no-create --no-recursion ;;
2116	-version \| --version \| --versio \| --versi \| --vers \| --ver \| --ve \| --v)
2117	echo "$CONFIG_STATUS generated by autoconf version AC_ACVERSION"
2118	exit 0 ;;
2119	-help \| --help \| --hel \| --he \| --h)
2120	echo "[\$]ac_cs_usage"; exit 0 ;;
2121	*) echo "[\$]ac_cs_usage"; exit 1 ;;
2122	esac
2123	done
2124
2125	ac_given_srcdir=$srcdir
2126	ifdef([AC_PROVIDE_AC_PROG_INSTALL], [ac_given_INSTALL="$INSTALL"
2127	])dnl
2128
2129	changequote(<<, >>)dnl
2130	ifdef(<<AC_LIST_HEADER>>,
2131	<<trap 'rm -fr `echo "$1 AC_LIST_HEADER" \| sed "s/:[^ ]//g"` conftest; exit 1' 1 2 15>>,
2132	<<trap 'rm -fr `echo "$1" \| sed "s/:[^ ]//g"` conftest; exit 1' 1 2 15>>)
2133	changequote([, ])dnl
2134	EOF
2135	cat >> $CONFIG_STATUS <<EOF
2136
2137	AC_OUTPUT_FILES($1)
2138	ifdef([AC_LIST_HEADER], [AC_OUTPUT_HEADER(AC_LIST_HEADER)])dnl
2139	ifdef([AC_LIST_LINKS], [AC_OUTPUT_LINKS(AC_LIST_FILES, AC_LIST_LINKS)])dnl
2140	EOF
2141	cat >> $CONFIG_STATUS <<EOF
2142	undivert(AC_DIVERSION_ICMDS)dnl
2143	$3
2144	EOF
2145	cat >> $CONFIG_STATUS <<\EOF
2146	undivert(AC_DIVERSION_CMDS)dnl
2147	$2
2148	exit 0
2149	EOF
2150	chmod +x $CONFIG_STATUS
2151	rm -fr confdefs* $ac_clean_files
2152	test "$no_create" = yes \|\| ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS \|\| exit 1
2153	dnl config.status should not do recursion.
2154	ifdef([AC_LIST_SUBDIRS], [AC_OUTPUT_SUBDIRS(AC_LIST_SUBDIRS)])dnl
2155	])dnl
2156
2157	dnl Set the DEFS variable to the -D options determined earlier.
2158	dnl This is a subroutine of AC_OUTPUT.
2159	dnl It is called inside configure, outside of config.status.
2160	dnl AC_OUTPUT_MAKE_DEFS()
2161	define(AC_OUTPUT_MAKE_DEFS,
2162	[# Transform confdefs.h into DEFS.
2163	dnl Using a here document instead of a string reduces the quoting nightmare.
2164	# Protect against shell expansion while executing Makefile rules.
2165	# Protect against Makefile macro expansion.
2166	cat > conftest.defs <<\EOF
2167	changequote(<<, >>)dnl
2168	s%<<#define>> $[A-Za-z_][A-Za-z0-9_]$ $.*$%-D\1=\2%g
2169	s%[ `~<<#>>$^&*(){}\\\|;'"<>?]%\\&%g
2170	s%\[%\\&%g
2171	s%\]%\\&%g
2172	s%\$%$$%g
2173	changequote([, ])dnl
2174	EOF
2175	DEFS=`sed -f conftest.defs confdefs.h \| tr '\012' ' '`
2176	rm -f conftest.defs
2177	])
2178
2179	dnl Do the variable substitutions to create the Makefiles or whatever.
2180	dnl This is a subroutine of AC_OUTPUT. It is called inside an unquoted
2181	dnl here document whose contents are going into config.status, but
2182	dnl upon returning, the here document is being quoted.
2183	dnl AC_OUTPUT_FILES(FILE...)
2184	define(AC_OUTPUT_FILES,
2185	[# Protect against being on the right side of a sed subst in config.status.
2186	changequote(, )dnl
2187	sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
2188	s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
2189	changequote([, ])dnl
2190	dnl These here document variables are unquoted when configure runs
2191	dnl but quoted when config.status runs, so variables are expanded once.
2192	$ac_vpsub
2193	dnl Shell code in configure.in might set extrasub.
2194	$extrasub
2195	dnl Insert the sed substitutions of variables.
2196	undivert(AC_DIVERSION_SED)
2197	CEOF
2198	EOF
2199
2200	cat >> $CONFIG_STATUS <<\EOF
2201
2202	# Split the substitutions into bite-sized pieces for seds with
2203	# small command number limits, like on Digital OSF/1 and HP-UX.
2204	ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
2205	ac_file=1 # Number of current file.
2206	ac_beg=1 # First line for current file.
2207	ac_end=$ac_max_sed_cmds # Line after last line for current file.
2208	ac_more_lines=:
2209	ac_sed_cmds=""
2210	while $ac_more_lines; do
2211	if test $ac_beg -gt 1; then
2212	sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
2213	else
2214	sed "${ac_end}q" conftest.subs > conftest.s$ac_file
2215	fi
2216	if test ! -s conftest.s$ac_file; then
2217	ac_more_lines=false
2218	rm -f conftest.s$ac_file
2219	else
2220	if test -z "$ac_sed_cmds"; then
2221	ac_sed_cmds="sed -f conftest.s$ac_file"
2222	else
2223	ac_sed_cmds="$ac_sed_cmds \| sed -f conftest.s$ac_file"
2224	fi
2225	ac_file=`expr $ac_file + 1`
2226	ac_beg=$ac_end
2227	ac_end=`expr $ac_end + $ac_max_sed_cmds`
2228	fi
2229	done
2230	if test -z "$ac_sed_cmds"; then
2231	ac_sed_cmds=cat
2232	fi
2233	EOF
2234
2235	cat >> $CONFIG_STATUS <<EOF
2236
2237	CONFIG_FILES=\${CONFIG_FILES-"$1"}
2238	EOF
2239	cat >> $CONFIG_STATUS <<\EOF
2240	for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
2241	changequote(, )dnl
2242	# Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
2243	case "$ac_file" in
2244	:) ac_file_in=`echo "$ac_file"\|sed 's%[^:]*:%%'`
2245	ac_file=`echo "$ac_file"\|sed 's%:.*%%'` ;;
2246	*) ac_file_in="${ac_file}.in" ;;
2247	esac
2248
2249	# Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.
2250
2251	# Remove last slash and all that follows it. Not all systems have dirname.
2252	ac_dir=`echo $ac_file\|sed 's%/[^/][^/]*$%%'`
2253	changequote([, ])dnl
2254	if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
2255	# The file is in a subdirectory.
2256	test ! -d "$ac_dir" && mkdir "$ac_dir"
2257	ac_dir_suffix="/`echo $ac_dir\|sed 's%^\./%%'`"
2258	# A "../" for each directory in $ac_dir_suffix.
2259	changequote(, )dnl
2260	ac_dots=`echo $ac_dir_suffix\|sed 's%/[^/]*%../%g'`
2261	changequote([, ])dnl
2262	else
2263	ac_dir_suffix= ac_dots=
2264	fi
2265
2266	case "$ac_given_srcdir" in
2267	.) srcdir=.
2268	if test -z "$ac_dots"; then top_srcdir=.
2269	else top_srcdir=`echo $ac_dots\|sed 's%/$%%'`; fi ;;
2270	/*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
2271	*) # Relative path.
2272	srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
2273	top_srcdir="$ac_dots$ac_given_srcdir" ;;
2274	esac
2275
2276	ifdef([AC_PROVIDE_AC_PROG_INSTALL],
2277	[ case "$ac_given_INSTALL" in
2278	changequote(, )dnl
2279	[/$]*) INSTALL="$ac_given_INSTALL" ;;
2280	changequote([, ])dnl
2281	*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
2282	esac
2283	])dnl
2284
2285	echo creating "$ac_file"
2286	rm -f "$ac_file"
2287	configure_input="Generated automatically from `echo $ac_file_in\|sed 's%.*/%%'` by configure."
2288	case "$ac_file" in
2289	Makefile) ac_comsub="1i\\
2290	# $configure_input" ;;
2291	*) ac_comsub= ;;
2292	esac
2293
2294	ac_file_inputs=`echo $ac_file_in\|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
2295	sed -e "$ac_comsub
2296	s%@configure_input@%$configure_input%g
2297	s%@srcdir@%$srcdir%g
2298	s%@top_srcdir@%$top_srcdir%g
2299	ifdef([AC_PROVIDE_AC_PROG_INSTALL], [s%@INSTALL@%$INSTALL%g
2300	])dnl
2301	dnl The parens around the eval prevent an "illegal io" in Ultrix sh.
2302	" $ac_file_inputs \| (eval "$ac_sed_cmds") > $ac_file
2303	dnl This would break Makefile dependencies.
2304	dnl if cmp -s $ac_file conftest.out 2>/dev/null; then
2305	dnl echo "$ac_file is unchanged"
2306	dnl rm -f conftest.out
2307	dnl else
2308	dnl rm -f $ac_file
2309	dnl mv conftest.out $ac_file
2310	dnl fi
2311	fi; done
2312	rm -f conftest.s*
2313	])
2314
2315	dnl Create the config.h files from the config.h.in files.
2316	dnl This is a subroutine of AC_OUTPUT. It is called inside a quoted
2317	dnl here document whose contents are going into config.status.
2318	dnl AC_OUTPUT_HEADER(HEADER-FILE...)
2319	define(AC_OUTPUT_HEADER,
2320	[changequote(<<, >>)dnl
2321	# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
2322	# NAME is the cpp macro being defined and VALUE is the value it is being given.
2323	#
2324	# ac_d sets the value in "#define NAME VALUE" lines.
2325	ac_dA='s%^$[ ]$#$[ ]define[ ][ ]*$'
2326	ac_dB='$[ ][ ]$[^ ]%\1#\2'
2327	ac_dC='\3'
2328	ac_dD='%g'
2329	# ac_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
2330	ac_uA='s%^$[ ]$#$[ ]$undef$[ ][ ]*$'
2331	ac_uB='$[ ]$%\1#\2define\3'
2332	ac_uC=' '
2333	ac_uD='\4%g'
2334	# ac_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
2335	ac_eA='s%^$[ ]$#$[ ]$undef$[ ][ ]*$'
2336	ac_eB='<<$>>%\1#\2define\3'
2337	ac_eC=' '
2338	ac_eD='%g'
2339	changequote([, ])dnl
2340
2341	if test "${CONFIG_HEADERS+set}" != set; then
2342	EOF
2343	dnl Support passing AC_CONFIG_HEADER a value containing shell variables.
2344	cat >> $CONFIG_STATUS <<EOF
2345	CONFIG_HEADERS="$1"
2346	EOF
2347	cat >> $CONFIG_STATUS <<\EOF
2348	fi
2349	for ac_file in .. $CONFIG_HEADERS; do if test "x$ac_file" != x..; then
2350	changequote(, )dnl
2351	# Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
2352	case "$ac_file" in
2353	:) ac_file_in=`echo "$ac_file"\|sed 's%[^:]*:%%'`
2354	ac_file=`echo "$ac_file"\|sed 's%:.*%%'` ;;
2355	*) ac_file_in="${ac_file}.in" ;;
2356	esac
2357	changequote([, ])dnl
2358
2359	echo creating $ac_file
2360
2361	rm -f conftest.frag conftest.in conftest.out
2362	ac_file_inputs=`echo $ac_file_in\|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
2363	cat $ac_file_inputs > conftest.in
2364
2365	EOF
2366
2367	# Transform confdefs.h into a sed script conftest.vals that substitutes
2368	# the proper values into config.h.in to produce config.h. And first:
2369	# Protect against being on the right side of a sed subst in config.status.
2370	# Protect against being in an unquoted here document in config.status.
2371	rm -f conftest.vals
2372	dnl Using a here document instead of a string reduces the quoting nightmare.
2373	dnl Putting comments in sed scripts is not portable.
2374	cat > conftest.hdr <<\EOF
2375	changequote(<<, >>)dnl
2376	s/[\\&%]/\\&/g
2377	s%[\\$`]%\\&%g
2378	s%<<#define>> $[A-Za-z_][A-Za-z0-9_]$ $.*$%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
2379	s%ac_d%ac_u%gp
2380	s%ac_u%ac_e%gp
2381	changequote([, ])dnl
2382	EOF
2383	sed -n -f conftest.hdr confdefs.h > conftest.vals
2384	rm -f conftest.hdr
2385
2386	# This sed command replaces #undef with comments. This is necessary, for
2387	# example, in the case of _POSIX_SOURCE, which is predefined and required
2388	# on some systems where configure will not decide to define it.
2389	cat >> conftest.vals <<\EOF
2390	changequote(, )dnl
2391	s%^[ ]#[ ]undef[ ][ ][a-zA-Z_][a-zA-Z_0-9]%/* & */%
2392	changequote([, ])dnl
2393	EOF
2394
2395	# Break up conftest.vals because some shells have a limit on
2396	# the size of here documents, and old seds have small limits too.
2397
2398	rm -f conftest.tail
2399	while :
2400	do
2401	ac_lines=`grep -c . conftest.vals`
2402	# grep -c gives empty output for an empty file on some AIX systems.
2403	if test -z "$ac_lines" \|\| test "$ac_lines" -eq 0; then break; fi
2404	# Write a limited-size here document to conftest.frag.
2405	echo ' cat > conftest.frag <<CEOF' >> $CONFIG_STATUS
2406	sed ${ac_max_here_lines}q conftest.vals >> $CONFIG_STATUS
2407	echo 'CEOF
2408	sed -f conftest.frag conftest.in > conftest.out
2409	rm -f conftest.in
2410	mv conftest.out conftest.in
2411	' >> $CONFIG_STATUS
2412	sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail
2413	rm -f conftest.vals
2414	mv conftest.tail conftest.vals
2415	done
2416	rm -f conftest.vals
2417
2418	dnl Now back to your regularly scheduled config.status.
2419	cat >> $CONFIG_STATUS <<\EOF
2420	rm -f conftest.frag conftest.h
2421	echo "/* $ac_file. Generated automatically by configure. */" > conftest.h
2422	cat conftest.in >> conftest.h
2423	rm -f conftest.in
2424	if cmp -s $ac_file conftest.h 2>/dev/null; then
2425	echo "$ac_file is unchanged"
2426	rm -f conftest.h
2427	else
2428	# Remove last slash and all that follows it. Not all systems have dirname.
2429	changequote(, )dnl
2430	ac_dir=`echo $ac_file\|sed 's%/[^/][^/]*$%%'`
2431	changequote([, ])dnl
2432	if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
2433	# The file is in a subdirectory.
2434	test ! -d "$ac_dir" && mkdir "$ac_dir"
2435	fi
2436	rm -f $ac_file
2437	mv conftest.h $ac_file
2438	fi
2439	fi; done
2440
2441	])
2442
2443	dnl This is a subroutine of AC_OUTPUT. It is called inside a quoted
2444	dnl here document whose contents are going into config.status.
2445	dnl AC_OUTPUT_LINKS(SOURCE..., DEST...)
2446	define(AC_OUTPUT_LINKS,
2447	[EOF
2448
2449	cat >> $CONFIG_STATUS <<EOF
2450	ac_sources="$1"
2451	ac_dests="$2"
2452	EOF
2453
2454	cat >> $CONFIG_STATUS <<\EOF
2455	srcdir=$ac_given_srcdir
2456	while test -n "$ac_sources"; do
2457	set $ac_dests; ac_dest=[$]1; shift; ac_dests=[$]*
2458	set $ac_sources; ac_source=[$]1; shift; ac_sources=[$]*
2459
2460	echo "linking $srcdir/$ac_source to $ac_dest"
2461
2462	if test ! -r $srcdir/$ac_source; then
2463	AC_MSG_ERROR($srcdir/$ac_source: File not found)
2464	fi
2465	rm -f $ac_dest
2466
2467	# Make relative symlinks.
2468	# Remove last slash and all that follows it. Not all systems have dirname.
2469	changequote(, )dnl
2470	ac_dest_dir=`echo $ac_dest\|sed 's%/[^/][^/]*$%%'`
2471	changequote([, ])dnl
2472	if test "$ac_dest_dir" != "$ac_dest" && test "$ac_dest_dir" != .; then
2473	# The dest file is in a subdirectory.
2474	test ! -d "$ac_dest_dir" && mkdir "$ac_dest_dir"
2475	ac_dest_dir_suffix="/`echo $ac_dest_dir\|sed 's%^\./%%'`"
2476	# A "../" for each directory in $ac_dest_dir_suffix.
2477	changequote(, )dnl
2478	ac_dots=`echo $ac_dest_dir_suffix\|sed 's%/[^/]*%../%g'`
2479	changequote([, ])dnl
2480	else
2481	ac_dest_dir_suffix= ac_dots=
2482	fi
2483
2484	case "$srcdir" in
2485	changequote(, )dnl
2486	[/$]*) ac_rel_source="$srcdir/$ac_source" ;;
2487	changequote([, ])dnl
2488	*) ac_rel_source="$ac_dots$srcdir/$ac_source" ;;
2489	esac
2490
2491	# Make a symlink if possible; otherwise try a hard link.
2492	if ln -s $ac_rel_source $ac_dest 2>/dev/null \|\|
2493	ln $srcdir/$ac_source $ac_dest; then :
2494	else
2495	AC_MSG_ERROR(can not link $ac_dest to $srcdir/$ac_source)
2496	fi
2497	done
2498	])
2499
2500	dnl This is a subroutine of AC_OUTPUT.
2501	dnl It is called after running config.status.
2502	dnl AC_OUTPUT_SUBDIRS(DIRECTORY...)
2503	define(AC_OUTPUT_SUBDIRS,
2504	[
2505	if test "$no_recursion" != yes; then
2506
2507	# Remove --cache-file and --srcdir arguments so they do not pile up.
2508	ac_sub_configure_args=
2509	ac_prev=
2510	for ac_arg in $ac_configure_args; do
2511	if test -n "$ac_prev"; then
2512	ac_prev=
2513	continue
2514	fi
2515	case "$ac_arg" in
2516	-cache-file \| --cache-file \| --cache-fil \| --cache-fi \
2517	\| --cache-f \| --cache- \| --cache \| --cach \| --cac \| --ca \| --c)
2518	ac_prev=cache_file ;;
2519	-cache-file=* \| --cache-file=* \| --cache-fil=* \| --cache-fi=* \
2520	\| --cache-f=* \| --cache-=* \| --cache=* \| --cach=* \| --cac=* \| --ca=* \| --c=*)
2521	;;
2522	-srcdir \| --srcdir \| --srcdi \| --srcd \| --src \| --sr)
2523	ac_prev=srcdir ;;
2524	-srcdir=* \| --srcdir=* \| --srcdi=* \| --srcd=* \| --src=* \| --sr=*)
2525	;;
2526	*) ac_sub_configure_args="$ac_sub_configure_args $ac_arg" ;;
2527	esac
2528	done
2529
2530	for ac_config_dir in $1; do
2531
2532	# Do not complain, so a configure script can configure whichever
2533	# parts of a large source tree are present.
2534	if test ! -d $srcdir/$ac_config_dir; then
2535	continue
2536	fi
2537
2538	echo configuring in $ac_config_dir
2539
2540	case "$srcdir" in
2541	.) ;;
2542	*)
2543	if test -d ./$ac_config_dir \|\| mkdir ./$ac_config_dir; then :;
2544	else
2545	AC_MSG_ERROR(can not create `pwd`/$ac_config_dir)
2546	fi
2547	;;
2548	esac
2549
2550	ac_popdir=`pwd`
2551	cd $ac_config_dir
2552
2553	changequote(, )dnl
2554	# A "../" for each directory in /$ac_config_dir.
2555	ac_dots=`echo $ac_config_dir\|sed -e 's%^\./%%' -e 's%[^/]$%&/%' -e 's%[^/]*/%../%g'`
2556	changequote([, ])dnl
2557
2558	case "$srcdir" in
2559	.) # No --srcdir option. We are building in place.
2560	ac_sub_srcdir=$srcdir ;;
2561	/*) # Absolute path.
2562	ac_sub_srcdir=$srcdir/$ac_config_dir ;;
2563	*) # Relative path.
2564	ac_sub_srcdir=$ac_dots$srcdir/$ac_config_dir ;;
2565	esac
2566
2567	# Check for guested configure; otherwise get Cygnus style configure.
2568	if test -f $ac_sub_srcdir/configure; then
2569	ac_sub_configure=$ac_sub_srcdir/configure
2570	elif test -f $ac_sub_srcdir/configure.in; then
2571	ac_sub_configure=$ac_configure
2572	else
2573	AC_MSG_WARN(no configuration information is in $ac_config_dir)
2574	ac_sub_configure=
2575	fi
2576
2577	# The recursion is here.
2578	if test -n "$ac_sub_configure"; then
2579
2580	# Make the cache file name correct relative to the subdirectory.
2581	case "$cache_file" in
2582	/*) ac_sub_cache_file=$cache_file ;;
2583	*) # Relative path.
2584	ac_sub_cache_file="$ac_dots$cache_file" ;;
2585	esac
2586	ifdef([AC_PROVIDE_AC_PROG_INSTALL],
2587	[ case "$ac_given_INSTALL" in
2588	changequote(, )dnl
2589	[/$]*) INSTALL="$ac_given_INSTALL" ;;
2590	changequote([, ])dnl
2591	*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
2592	esac
2593	])dnl
2594
2595	echo "[running ${CONFIG_SHELL-/bin/sh} $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file] --srcdir=$ac_sub_srcdir"
2596	# The eval makes quoting arguments work.
2597	if eval ${CONFIG_SHELL-/bin/sh} $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_sub_srcdir
2598	then :
2599	else
2600	AC_MSG_ERROR($ac_sub_configure failed for $ac_config_dir)
2601	fi
2602	fi
2603
2604	cd $ac_popdir
2605	done
2606	fi
2607	])

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