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source: trunk/aclocal.m4@ 3

Last change on this file since 3 was 1, checked in by katerina, 19 years ago
Initial import
File size: 40.7 KB

Line
1	dnl aclocal.m4 generated automatically by aclocal 1.3
2
3	dnl Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
4	dnl This Makefile.in is free software; the Free Software Foundation
5	dnl gives unlimited permission to copy and/or distribute it,
6	dnl with or without modifications, as long as this notice is preserved.
7
8	dnl This program is distributed in the hope that it will be useful,
9	dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
10	dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
11	dnl PARTICULAR PURPOSE.
12
13	# Do all the work for Automake. This macro actually does too much --
14	# some checks are only needed if your package does certain things.
15	# But this isn't really a big deal.
16
17	# serial 1
18
19
20	# serial 1
21
22	#
23	# Check to make sure that the build environment is sane.
24	#
25	AC_DEFUN([AM_INIT_AUTOMAKE],
26	[
27	AC_REQUIRE([AM_PROG_INSTALL])
28	PACKAGE=[$1]
29	AC_SUBST(PACKAGE)
30	VERSION=[$2]
31	AC_SUBST(VERSION)
32	dnl test to see if srcdir already configured
33	if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
34	AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
35	fi
36	ifelse([$3],,
37	AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
38	AC_DEFINE_UNQUOTED(VERSION, "$VERSION"))
39	AC_REQUIRE([AC_PROG_MAKE_SET])])
40
41
42	# serial 1
43
44	# @defmac AC_PROG_CC_STDC
45	# @maindex PROG_CC_STDC
46	# @ovindex CC
47	# If the C compiler in not in ANSI C mode by default, try to add an option
48	# to output variable @code{CC} to make it so. This macro tries various
49	# options that select ANSI C on some system or another. It considers the
50	# compiler to be in ANSI C mode if it handles function prototypes correctly.
51	#
52	# If you use this macro, you should check after calling it whether the C
53	# compiler has been set to accept ANSI C; if not, the shell variable
54	# @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
55	# code in ANSI C, you can make an un-ANSIfied copy of it by using the
56	# program @code{ansi2knr}, which comes with Ghostscript.
57	# @end defmac
58
59	AC_DEFUN([AM_PROG_CC_STDC],
60	[AC_REQUIRE([AC_PROG_CC])
61	AC_BEFORE([$0], [AC_C_INLINE])
62	AC_BEFORE([$0], [AC_C_CONST])
63	dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
64	dnl a magic option to avoid problems with ANSI preprocessor commands
65	dnl like #elif.
66	dnl FIXME: can't do this because then AC_AIX won't work due to a
67	dnl circular dependency.
68	dnl AC_BEFORE([$0], [AC_PROG_CPP])
69	AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
70	AC_CACHE_VAL(am_cv_prog_cc_stdc,
71	[am_cv_prog_cc_stdc=no
72	ac_save_CC="$CC"
73	# Don't try gcc -ansi; that turns off useful extensions and
74	# breaks some systems' header files.
75	# AIX -qlanglvl=ansi
76	# Ultrix and OSF/1 -std1
77	# HP-UX -Aa -D_HPUX_SOURCE
78	# SVR4 -Xc -D__EXTENSIONS__
79	for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
80	do
81	CC="$ac_save_CC $ac_arg"
82	AC_TRY_COMPILE(
83	[#include <stdarg.h>
84	#include <stdio.h>
85	#include <sys/types.h>
86	#include <sys/stat.h>
87	/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
88	struct buf { int x; };
89	FILE * (rcsopen) (struct buf , struct stat *, int);
90	static char *e (p, i)
91	char **p;
92	int i;
93	{
94	return p[i];
95	}
96	static char f (char (g) (char , int), char *p, ...)
97	{
98	char *s;
99	va_list v;
100	va_start (v,p);
101	s = g (p, va_arg (v,int));
102	va_end (v);
103	return s;
104	}
105	int test (int i, double x);
106	struct s1 {int (*f) (int a);};
107	struct s2 {int (*f) (double a);};
108	int pairnames (int, char *, FILE ()(struct buf , struct stat *, int), int, int);
109	int argc;
110	char **argv;
111	], [
112	return f (e, argv, 0) != argv[0] \|\| f (e, argv, 1) != argv[1];
113	],
114	[am_cv_prog_cc_stdc="$ac_arg"; break])
115	done
116	CC="$ac_save_CC"
117	])
118	if test -z "$am_cv_prog_cc_stdc"; then
119	AC_MSG_RESULT([none needed])
120	else
121	AC_MSG_RESULT($am_cv_prog_cc_stdc)
122	fi
123	case "x$am_cv_prog_cc_stdc" in
124	x\|xno) ;;
125	*) CC="$CC $am_cv_prog_cc_stdc" ;;
126	esac
127	])
128
129	# Define a conditional.
130
131	AC_DEFUN([AM_CONDITIONAL],
132	[AC_SUBST($1_TRUE)
133	AC_SUBST($1_FALSE)
134	if $2; then
135	$1_TRUE=
136	$1_FALSE='#'
137	else
138	$1_TRUE='#'
139	$1_FALSE=
140	fi])
141
142
143	AC_DEFUN([sh_run_prog],
144	[if test "$cross_compiling" = "yes"; then
145	AC_MSG_ERROR([Can not probe non-portable values when cross compiling])
146	fi
147	cat > conftest.$ac_ext <<EOF
148	[#]line __oline__ "configure"
149	#include "confdefs.h"
150	ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
151	extern "C" void exit(int);
152	#endif
153	])
154	[$1]
155	EOF
156	if AC_TRY_EVAL(ac_link) && test -s conftest && $2=`(./conftest 2>/dev/null)`
157	then
158	dnl Don't remove the temporary files here, so they can be examined.
159	ifelse([$3], , :, [$3])
160	else
161	echo "configure: failed program was:" >&AC_FD_CC
162	cat conftest.$ac_ext >&AC_FD_CC
163	ifelse([$4], , , [ rm -fr conftest*
164	$4
165	])
166	fi
167	rm -fr conftest* ])
168
169	dnl fs type number of the proc filing system
170	AC_DEFUN([sh_procfs_id],
171	[AC_MSG_CHECKING([f_type of /proc])
172	AC_CACHE_VAL([sh_cv_proc_fstype],
173	[sh_run_prog(
174	changequote(<<, >>)dnl
175	<<#include <stdio.h>
176	#ifdef HAVE_STDLIB_H
177	#include <stdlib.h>
178	#endif /* HAVE_STDLIB_H */
179	#ifdef HAVE_UNISTD_H
180	#include <unistd.h>
181	#endif /* HAVE_UNISTD_H */
182	#ifdef HAVE_SYS_VFS_H
183	#include <sys/vfs.h>
184	#endif
185	#ifndef Q
186	#define __Q(x) #x
187	#define Q(x) __Q(x)
188	#endif
189	int main(void)
190	{
191	struct statfs fsbuf;
192	long ft;
193	if (statfs("/", &fsbuf)!=0)
194	exit(1);
195	ft=fsbuf.f_type;
196	if (statfs("/proc/1", &fsbuf)!=0)
197	exit(1);
198	if (ft!=fsbuf.f_type)
199	printf("0x%08lx", fsbuf.f_type);
200	else
201	puts("statfs useless");
202	exit(0);
203	} >>
204	changequote([, ]), sh_cv_proc_fstype,, sh_cv_proc_fstype="a fatal error occured")])
205	AC_MSG_RESULT($sh_cv_proc_fstype)
206	if test "${sh_cv_proc_fstype}" = "a fatal error occured"; then
207	$1=$2
208	$4
209	else if test "${sh_cv_proc_fstype}" = "statfs useless"; then
210	$1=$2
211	$4
212	else
213	$1=$sh_cv_proc_fstype
214	$3
215	fi; fi ])
216
217	# Check whether mlock is broken (hpux 10.20 raises a SIGBUS if mlock
218	# is not called from uid 0 (not tested whether uid 0 works)
219	dnl AC_CHECK_MLOCK
220	dnl
221	define([AC_CHECK_MLOCK],
222	[ AC_CHECK_FUNCS(mlock)
223	if test "$ac_cv_func_mlock" = "yes"; then
224	AC_MSG_CHECKING(whether mlock is broken)
225	AC_CACHE_VAL(ac_cv_have_broken_mlock,
226	AC_TRY_RUN([
227	#include <stdlib.h>
228	#include <unistd.h>
229	#include <errno.h>
230	#include <sys/mman.h>
231	#include <sys/types.h>
232	#include <fcntl.h>
233
234	int main()
235	{
236	char *pool;
237	int err;
238	long int pgsize = getpagesize();
239
240	pool = malloc( 4096 + pgsize );
241	if( !pool )
242	return 2;
243	pool += (pgsize - ((long int)pool % pgsize));
244
245	err = mlock( pool, 4096 );
246	if( !err \|\| errno == EPERM )
247	return 0; /* okay */
248
249	return 1; /* hmmm */
250	}
251
252	],
253	ac_cv_have_broken_mlock="no",
254	ac_cv_have_broken_mlock="yes",
255	ac_cv_have_broken_mlock="assume-no"
256	)
257	)
258	if test "$ac_cv_have_broken_mlock" = "yes"; then
259	AC_DEFINE(HAVE_BROKEN_MLOCK)
260	AC_MSG_RESULT(yes)
261	else
262	if test "$ac_cv_have_broken_mlock" = "no"; then
263	AC_MSG_RESULT(no)
264	else
265	AC_MSG_RESULT(assuming no)
266	fi
267	fi
268	fi
269	])
270
271	dnl @synopsis AC_FUNC_VSNPRINTF
272	dnl
273	dnl Check whether there is a reasonably sane vsnprintf() function installed.
274	dnl "Reasonably sane" in this context means never clobbering memory beyond
275	dnl the buffer supplied, and having a sensible return value. It is
276	dnl explicitly allowed not to NUL-terminate the return value, however.
277	dnl
278	dnl @version $Id: ac_func_vsnprintf.m4,v 1.1 2001/07/26 02:00:21 guidod Exp $
279	dnl @author Gaute Strokkenes <gs234@cam.ac.uk>
280	dnl
281	AC_DEFUN([SL_CHECK_VSNPRINTF],
282	[AC_CACHE_CHECK(for working vsnprintf,
283	ac_cv_func_vsnprintf,
284	[AC_TRY_RUN(
285	[#include <stdio.h>
286	#include <stdarg.h>
287
288	int
289	doit(char * s, ...)
290	{
291	char buffer[32];
292	va_list args;
293	int r;
294
295	buffer[5] = 'X';
296
297	va_start(args, s);
298	r = vsnprintf(buffer, 5, s, args);
299	va_end(args);
300
301	/* -1 is pre-C99, 7 is C99. R.W. 17.01.2003 disallow -1 */
302
303	if (r != 7)
304	exit(1);
305
306	/* We deliberately do not care if the result is NUL-terminated or
307	not, since this is easy to work around like this. */
308
309	buffer[4] = 0;
310
311	/* Simple sanity check. */
312
313	if (strcmp(buffer, "1234"))
314	exit(1);
315
316	if (buffer[5] != 'X')
317	exit(1);
318
319	exit(0);
320	}
321
322	int
323	main(void)
324	{
325	doit("1234567");
326	exit(1);
327	}], ac_cv_func_vsnprintf=yes, ac_cv_func_vsnprintf=no, ac_cv_func_vsnprintf=no)])
328	dnl Note that the default is to be pessimistic in the case
329	dnl of cross compilation.
330	dnl If you know that the target has a sensible vsnprintf(),
331	dnl you can get around this
332	dnl by setting ac_func_vsnprintf to yes, as described in the Autoconf manual.
333	if test $ac_cv_func_vsnprintf = yes; then
334	:
335	else
336	AC_DEFINE(HAVE_BROKEN_VSNPRINTF, 1,
337	[Define if you have a broken version of the `vsnprintf' function.])
338	fi
339	])# AC_FUNC_VSNPRINTF
340
341	dnl SH_CHECK_TYPEDEF(TYPE, HAVE_NAME)
342	dnl Check whether a typedef exists and create a #define $2 if it exists
343	dnl
344	AC_DEFUN([SH_CHECK_TYPEDEF],
345	[ AC_MSG_CHECKING(for $1 typedef)
346	sh_cv_typedef_foo=`echo sh_cv_typedef_$1 \| sed -e 's% %_%g'`
347	AC_CACHE_VAL( $sh_cv_typedef_foo,
348	[AC_TRY_COMPILE([#include <stdlib.h>
349	#include <sys/types.h>], [
350	#undef $1
351	int a = sizeof($1);
352	], sh_cv_typedef=yes, sh_cv_typedef=no )])
353	AC_MSG_RESULT($sh_cv_typedef)
354	if test "$sh_cv_typedef" = yes; then
355	AC_DEFINE($2)
356	sh_$2=yes
357	else
358	sh_$2=no
359	fi
360	])
361
362
363
364	dnl **********************
365	dnl * va_copy checks *
366	dnl **********************
367	AC_DEFUN([SL_CHECK_VA_COPY],
368	[AC_MSG_CHECKING(for va_copy())
369	AC_CACHE_VAL(sh_cv_va_copy,[
370	AC_TRY_RUN([
371	#include <stdarg.h>
372	void f (int i, ...) {
373	va_list args1, args2;
374	va_start (args1, i);
375	va_copy (args2, args1);
376	if (va_arg (args2, int) != 42)
377	exit (1);
378	if (va_arg (args1, int) != 42)
379	exit (1);
380	va_end (args1); va_end (args2);
381	}
382	int main() {
383	f (0, 42);
384	return 0;
385	}],
386	sh_cv_va_copy=yes
387	,
388	sh_cv_va_copy=no
389	,
390	sh_cv_va_copy=no)
391	])
392	AC_MSG_RESULT($sh_cv_va_copy)
393	AC_MSG_CHECKING(for __va_copy())
394	AC_CACHE_VAL(sh_cv___va_copy,[
395	AC_TRY_RUN([
396	#include <stdarg.h>
397	void f (int i, ...) {
398	va_list args1, args2;
399	va_start (args1, i);
400	__va_copy (args2, args1);
401	if (va_arg (args2, int) != 42)
402	exit (1);
403	if (va_arg (args1, int) != 42)
404	exit (1);
405	va_end (args1); va_end (args2);
406	}
407	int main() {
408	f (0, 42);
409	return 0;
410	}],
411	sh_cv___va_copy=yes
412	,
413	sh_cv___va_copy=no
414	,
415	sh_cv___va_copy=no)
416	])
417	AC_MSG_RESULT($sh_cv___va_copy)
418	AC_MSG_CHECKING(whether va_lists can be copied by value)
419	AC_CACHE_VAL(sh_cv_va_val_copy,[
420	AC_TRY_RUN([
421	#include <stdarg.h>
422	void f (int i, ...) {
423	va_list args1, args2;
424	va_start (args1, i);
425	args2 = args1;
426	if (va_arg (args2, int) != 42)
427	exit (1);
428	if (va_arg (args1, int) != 42)
429	exit (1);
430	va_end (args1); va_end (args2);
431	}
432	int main() {
433	f (0, 42);
434	return 0;
435	}],
436	sh_cv_va_val_copy=yes
437	,
438	sh_cv_va_val_copy=no
439	,
440	sh_cv_va_val_copy=no)
441	])
442	if test "x$sh_cv_va_copy" = "xyes"; then
443	AC_DEFINE(VA_COPY, va_copy)
444	else if test "x$sh_cv___va_copy" = "xyes"; then
445	AC_DEFINE(VA_COPY, __va_copy)
446	fi
447	fi
448	if test "x$sh_cv_va_val_copy" = "xno"; then
449	AC_DEFINE(VA_COPY_AS_ARRAY)
450	fi
451	AC_MSG_RESULT($sh_cv_va_val_copy)
452	])
453
454
455	dnl SH_INIT_PARSE_ARGS()
456	m4_define([SH_INIT_PARSE_ARGS],
457	[
458	m4_divert_push([PARSE_ARGS])dnl
459
460	as_cr_letters='abcdefghijklmnopqrstuvwxyz'
461	as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
462	as_cr_Letters=$as_cr_letters$as_cr_LETTERS
463	as_cr_digits='0123456789'
464	as_cr_alnum=$as_cr_Letters$as_cr_digits
465
466	# Sed expression to map a string onto a valid CPP name.
467	as_tr_cpp="sed y%*$as_cr_letters%P$as_cr_LETTERS%;s%[[^_$as_cr_alnum]]%_%g"
468
469	as_tr_sh="eval sed 'y%*+%pp%;s%[[^_$as_cr_alnum]]%_%g'"
470	# IFS
471	# We need space, tab and new line, in precisely that order.
472	as_nl='
473	'
474	IFS=" $as_nl"
475
476	# CDPATH.
477	$as_unset CDPATH \|\| test "${CDPATH+set}" != set \|\| { CDPATH=$PATH_SEPARATOR; export CDPATH; }
478
479
480	# Initialize some variables set by options.
481	ac_init_help=
482	ac_init_version=false
483	# The variables have the same names as the options, with
484	# dashes changed to underlines.
485	cache_file=/dev/null
486	AC_SUBST(exec_prefix, NONE)dnl
487	no_create=
488	no_recursion=
489	AC_SUBST(prefix, NONE)dnl
490	program_prefix=NONE
491	program_suffix=NONE
492	AC_SUBST(program_transform_name, [s,x,x,])dnl
493	silent=
494	site=
495	srcdir=
496	verbose=
497	x_includes=NONE
498	x_libraries=NONE
499	DESTDIR=
500	SH_ENABLE_OPTS="db-reload xml-log message-queue login-watch mounts-check userfiles debug ptrace static network udp nocl stealth micro-stealth install-name identity khide suidcheck base largefile mail external-scripts encrypt srp"
501	SH_WITH_OPTS="prelude libprelude-prefix database libwrap cflags libs console altconsole timeserver alttimeserver rnd egd-socket port logserver altlogserver kcheck gpg checksum fp recipient sender trusted tmp-dir config-file log-file pid-file state-dir data-file html-file"
502
503	# Installation directory options.
504	# These are left unexpanded so users can "make install exec_prefix=/foo"
505	# and all the variables that are supposed to be based on exec_prefix
506	# by default will actually change.
507	dnl Use braces instead of parens because sh, perl, etc. also accept them.
508	sbindir='${exec_prefix}/sbin'
509	sysconfdir='${prefix}/etc'
510	localstatedir='${prefix}/var'
511	mandir='${prefix}/share/man'
512
513	AC_SUBST([sbindir], ['${exec_prefix}/sbin'])dnl
514	AC_SUBST([sysconfdir], ['${prefix}/etc'])dnl
515	AC_SUBST([localstatedir], ['${prefix}/var'])dnl
516	AC_SUBST([mandir], ['${prefix}/share/man'])dnl
517
518
519	# Initialize some other variables.
520	subdirs=
521	MFLAGS= MAKEFLAGS=
522	SHELL=${CONFIG_SHELL-/bin/sh}
523	# Maximum number of lines to put in a shell here document.
524	ac_max_here_lines=12
525
526	ac_prev=
527	for ac_option
528	do
529
530	# If the previous option needs an argument, assign it.
531	if test -n "$ac_prev"; then
532	eval "$ac_prev=\$ac_option"
533	ac_prev=
534	continue
535	fi
536
537	case "$ac_option" in
538	changequote(, )dnl
539	=) ac_optarg=`echo "$ac_option" \| sed 's/[-_a-zA-Z0-9]*=//'` ;;
540	changequote([, ])dnl
541	*) ac_optarg= ;;
542	esac
543
544	# Accept the important Cygnus configure options, so we can diagnose typos.
545
546	case "$ac_option" in
547
548	-build \| --build \| --buil \| --bui \| --bu)
549	ac_prev=build_alias ;;
550	-build=* \| --build=* \| --buil=* \| --bui=* \| --bu=*)
551	build_alias="$ac_optarg" ;;
552
553	-cache-file \| --cache-file \| --cache-fil \| --cache-fi \
554	\| --cache-f \| --cache- \| --cache \| --cach \| --cac \| --ca \| --c)
555	ac_prev=cache_file ;;
556	-cache-file=* \| --cache-file=* \| --cache-fil=* \| --cache-fi=* \
557	\| --cache-f=* \| --cache-=* \| --cache=* \| --cach=* \| --cac=* \| --ca=* \| --c=*)
558	cache_file="$ac_optarg" ;;
559
560	--config-cache \| -C)
561	cache_file=config.cache ;;
562
563	-disable-* \| --disable-*)
564	ac_feature=`expr "x$ac_option" : 'x-disable-\(.\)'`
565	# Reject names that are not valid shell variable names.
566	expr "x$ac_feature" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
567	AC_MSG_ERROR([invalid feature name: $ac_feature])
568	ac_feature=`echo $ac_feature \| sed 's/-/_/g'`
569	ac_enable_check_opt=no
570	for f in ${SH_ENABLE_OPTS}
571	do
572	f=`echo $f \| sed 's/-/_/g'`
573	if test x${f} = x"${ac_feature}"
574	then
575	ac_enable_check_opt=yes
576	fi
577	done
578	if test x${ac_enable_check_opt} = xno
579	then
580	AC_MSG_ERROR([unrecognized option: $ac_option
581	Try `$[0] --help' for more information.])
582	fi
583	eval "enable_$ac_feature=no" ;;
584
585	-enable-* \| --enable-*)
586	ac_feature=`expr "x$ac_option" : 'x-enable-\([[^=]]\)'`
587	# Reject names that are not valid shell variable names.
588	expr "x$ac_feature" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
589	AC_MSG_ERROR([invalid feature name: $ac_feature])
590	ac_feature=`echo $ac_feature \| sed 's/-/_/g'`
591	case $ac_option in
592	=) ac_optarg=`echo "$ac_optarg" \| sed "s/'/'\\\\\\\\''/g"`;;
593	*) ac_optarg=yes ;;
594	esac
595	ac_enable_check_opt=no
596	for f in ${SH_ENABLE_OPTS}
597	do
598	f=`echo $f \| sed 's/-/_/g'`
599	if test x${f} = x"${ac_feature}"
600	then
601	ac_enable_check_opt=yes
602	fi
603	done
604	if test x${ac_enable_check_opt} = xno
605	then
606	AC_MSG_ERROR([unrecognized option: $ac_option
607	Try `$[0] --help' for more information.])
608	fi
609	eval "enable_$ac_feature='$ac_optarg'" ;;
610
611	-exec-prefix \| --exec_prefix \| --exec-prefix \| --exec-prefi \
612	\| --exec-pref \| --exec-pre \| --exec-pr \| --exec-p \| --exec- \
613	\| --exec \| --exe \| --ex)
614	ac_prev=exec_prefix
615	ac_exec_prefix_set="yes"
616	;;
617	-exec-prefix=* \| --exec_prefix=* \| --exec-prefix=* \| --exec-prefi=* \
618	\| --exec-pref=* \| --exec-pre=* \| --exec-pr=* \| --exec-p=* \| --exec-=* \
619	\| --exec=* \| --exe=* \| --ex=*)
620	exec_prefix="$ac_optarg"
621	ac_exec_prefix_set="yes"
622	;;
623
624	-gas \| --gas \| --ga \| --g)
625	# Obsolete; use --with-gas.
626	with_gas=yes ;;
627
628	-help \| --help \| --hel \| --he \| -h)
629	ac_init_help=long ;;
630	-help=r* \| --help=r* \| --hel=r* \| --he=r* \| -hr*)
631	ac_init_help=recursive ;;
632	-help=s* \| --help=s* \| --hel=s* \| --he=s* \| -hs*)
633	ac_init_help=short ;;
634
635	-host \| --host \| --hos \| --ho)
636	ac_prev=host_alias ;;
637	-host=* \| --host=* \| --hos=* \| --ho=*)
638	host_alias="$ac_optarg" ;;
639
640	-localstatedir \| --localstatedir \| --localstatedi \| --localstated \
641	\| --localstate \| --localstat \| --localsta \| --localst \
642	\| --locals \| --local \| --loca \| --loc \| --lo)
643	ac_prev=localstatedir
644	ac_localstatedir_set="yes"
645	;;
646	-localstatedir=* \| --localstatedir=* \| --localstatedi=* \| --localstated=* \
647	\| --localstate=* \| --localstat=* \| --localsta=* \| --localst=* \
648	\| --locals=* \| --local=* \| --loca=* \| --loc=* \| --lo=*)
649	localstatedir="$ac_optarg"
650	ac_localstatedir_set="yes"
651	;;
652
653	-mandir \| --mandir \| --mandi \| --mand \| --man \| --ma \| --m)
654	ac_prev=mandir
655	ac_mandir_set="yes"
656	;;
657	-mandir=* \| --mandir=* \| --mandi=* \| --mand=* \| --man=* \| --ma=* \| --m=*)
658	mandir="$ac_optarg"
659	ac_mandir_set="yes"
660	;;
661
662	-nfp \| --nfp \| --nf)
663	# Obsolete; use --without-fp.
664	with_fp=no ;;
665
666	-no-create \| --no-create \| --no-creat \| --no-crea \| --no-cre \
667	\| --no-cr \| --no-c \| -n)
668	no_create=yes ;;
669
670	-no-recursion \| --no-recursion \| --no-recursio \| --no-recursi \
671	\| --no-recurs \| --no-recur \| --no-recu \| --no-rec \| --no-re \| --no-r)
672	no_recursion=yes ;;
673
674	-prefix \| --prefix \| --prefi \| --pref \| --pre \| --pr \| --p)
675	ac_prev=prefix
676	ac_prefix_set="yes"
677	;;
678	-prefix=* \| --prefix=* \| --prefi=* \| --pref=* \| --pre=* \| --pr=* \| --p=*)
679	prefix="$ac_optarg"
680	ac_prefix_set="yes"
681	;;
682
683	-q \| -quiet \| --quiet \| --quie \| --qui \| --qu \| --q \
684	\| -silent \| --silent \| --silen \| --sile \| --sil)
685	silent=yes ;;
686
687	-sbindir \| --sbindir \| --sbindi \| --sbind \| --sbin \| --sbi \| --sb)
688	ac_prev=sbindir
689	ac_sbindir_set="yes"
690	;;
691	-sbindir=* \| --sbindir=* \| --sbindi=* \| --sbind=* \| --sbin=* \
692	\| --sbi=* \| --sb=*)
693	sbindir="$ac_optarg"
694	ac_sbindir_set="yes"
695	;;
696
697	-bindir \| --bindir \| --bindi \| --bind \| --bin \| --bi \| --b)
698	echo "WARNING: bindir will be ignored, use sbindir"
699	;;
700	-bindir=* \| --bindir=* \| --bindi=* \| --bind=* \| --bin=* \
701	\| --bi=* \| --b=*)
702	echo "WARNING: bindir will be ignored, use sbindir"
703	;;
704
705	-datadir \| --datadir)
706	echo "WARNING: datadir will be ignored"
707	;;
708	-datadir=* \| --datadir=*)
709	echo "WARNING: datadir will be ignored"
710	;;
711
712	-includedir \| --includedir)
713	echo "WARNING: includedir will be ignored"
714	;;
715	-includedir=* \| --includedir=*)
716	echo "WARNING: includedir will be ignored"
717	;;
718
719	-infodir \| --infodir)
720	echo "WARNING: infodir will be ignored"
721	;;
722	-infodir=* \| --infodir=*)
723	echo "WARNING: infodir will be ignored"
724	;;
725
726	-libdir \| --libdir)
727	echo "WARNING: libdir will be ignored"
728	;;
729	-libdir=* \| --libdir=*)
730	echo "WARNING: libdir will be ignored"
731	;;
732
733	-libexecdir \| --libexecdir)
734	echo "WARNING: libexecdir will be ignored"
735	;;
736	-libexecdir=* \| --libexecdir=*)
737	echo "WARNING: libexecdir will be ignored"
738	;;
739
740	-sharedstatedir \| --sharedstatedir)
741	echo "WARNING: sharedstatedir will be ignored"
742	;;
743	-sharedstatedir=* \| --sharedstatedir=*)
744	echo "WARNING: sharedstatedir will be ignored"
745	;;
746
747	-site \| --site \| --sit)
748	ac_prev=site ;;
749	-site=* \| --site=* \| --sit=*)
750	site="$ac_optarg" ;;
751
752	-srcdir \| --srcdir \| --srcdi \| --srcd \| --src \| --sr)
753	ac_prev=srcdir ;;
754	-srcdir=* \| --srcdir=* \| --srcdi=* \| --srcd=* \| --src=* \| --sr=*)
755	srcdir="$ac_optarg" ;;
756
757	-sysconfdir \| --sysconfdir \| --sysconfdi \| --sysconfd \| --sysconf \
758	\| --syscon \| --sysco \| --sysc \| --sys \| --sy)
759	ac_prev=sysconfdir
760	ac_sysconfdir_set="yes"
761	;;
762	-sysconfdir=* \| --sysconfdir=* \| --sysconfdi=* \| --sysconfd=* \| --sysconf=* \
763	\| --syscon=* \| --sysco=* \| --sysc=* \| --sys=* \| --sy=*)
764	sysconfdir="$ac_optarg"
765	ac_sysconfdir_set="yes"
766	;;
767
768	-target \| --target \| --targe \| --targ \| --tar \| --ta \| --t)
769	ac_prev=target_alias ;;
770	-target=* \| --target=* \| --targe=* \| --targ=* \| --tar=* \| --ta=* \| --t=*)
771	target_alias="$ac_optarg" ;;
772
773	-v \| -verbose \| --verbose \| --verbos \| --verbo \| --verb)
774	verbose=yes ;;
775
776	-version \| --version \| --versio \| --versi \| --vers)
777	ac_init_version=: ;;
778
779
780	-with-* \| --with-*)
781	ac_package=`expr "x$ac_option" : 'x-with-\([[^=]]\)'`
782	# Reject names that are not valid shell variable names.
783	expr "x$ac_package" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
784	AC_MSG_ERROR([invalid package name: $ac_package])
785	ac_package=`echo $ac_package\| sed 's/-/_/g'`
786	case $ac_option in
787	=) ac_optarg=`echo "$ac_optarg" \| sed "s/'/'\\\\\\\\''/g"`;;
788	*) ac_optarg=yes ;;
789	esac
790	ac_with_check_opt=no
791	for f in ${SH_WITH_OPTS}
792	do
793	f=`echo $f \| sed 's/-/_/g'`
794	if test x${f} = x"${ac_package}"
795	then
796	ac_with_check_opt=yes
797	fi
798	done
799	if test x${ac_with_check_opt} = xno
800	then
801	AC_MSG_ERROR([unrecognized option: $ac_option
802	Try `$[0] --help' for more information.])
803	fi
804	eval "with_$ac_package='$ac_optarg'" ;;
805
806	-without-* \| --without-*)
807	ac_package=`expr "x$ac_option" : 'x-without-\(.\)'`
808	# Reject names that are not valid shell variable names.
809	expr "x$ac_package" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
810	AC_MSG_ERROR([invalid package name: $ac_package])
811	ac_package=`echo $ac_package \| sed 's/-/_/g'`
812	ac_with_check_opt=no
813	for f in ${SH_WITH_OPTS}
814	do
815	f=`echo $f \| sed 's/-/_/g'`
816	if test x${f} = x"${ac_package}"
817	then
818	ac_with_check_opt=yes
819	fi
820	done
821	if test x${ac_with_check_opt} = xno
822	then
823	AC_MSG_ERROR([unrecognized option: $ac_option
824	Try `$[0] --help' for more information.])
825	fi
826	eval "with_$ac_package=no" ;;
827
828
829	-*) AC_MSG_ERROR([unrecognized option: $ac_option
830	Try `$[0] --help' for more information.])
831	;;
832
833	=)
834	ac_envvar=`expr "x$ac_option" : 'x\([[^=]]*\)='`
835	# Reject names that are not valid shell variable names.
836	expr "x$ac_envvar" : "[.*[^_$as_cr_alnum]]" >/dev/null &&
837	AC_MSG_ERROR([invalid variable name: $ac_envvar])
838	ac_optarg=`echo "$ac_optarg" \| sed "s/'/'\\\\\\\\''/g"`
839	eval "$ac_envvar='$ac_optarg'"
840	export $ac_envvar ;;
841
842	*)
843	# FIXME: should be removed in autoconf 3.0.
844	AC_MSG_WARN([you should use --build, --host, --target])
845	expr "x$ac_option" : "[.*[^-._$as_cr_alnum]]" >/dev/null &&
846	AC_MSG_WARN([invalid host type: $ac_option])
847	: ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
848	;;
849
850
851	esac
852	done
853
854	if test -n "$ac_prev"; then
855	AC_MSG_ERROR(missing argument to --`echo $ac_prev \| sed 's/_/-/g'`)
856	fi
857
858	# Be sure to have absolute paths.
859	for ac_var in prefix exec_prefix
860	do
861	eval ac_val=$`echo $ac_var`
862	case $ac_val in
863	[[\\/$]]* \| ?:[[\\/]]* \| NONE \| '' \| OPT \| USR ) ;;
864	*) AC_MSG_ERROR([expected an absolute directory name for --$ac_var: $ac_val]);;
865	esac
866	done
867
868	# Be sure to have absolute paths.
869	for ac_var in sbindir sysconfdir localstatedir mandir
870	do
871	eval ac_val=$`echo $ac_var`
872	case $ac_val in
873	[[\\/$]]* \| ?:[[\\/]]* ) ;;
874	*) AC_MSG_ERROR([expected an absolute directory name for --$ac_var: $ac_val]);;
875	esac
876	done
877
878	# There might be people who depend on the old broken behavior: `$host'
879	# used to hold the argument of --host etc.
880	# FIXME: To remove some day.
881	build=$build_alias
882	host=$host_alias
883	target=$target_alias
884
885	# FIXME: To remove some day.
886	if test "x$host_alias" != x; then
887	if test "x$build_alias" = x; then
888	cross_compiling=maybe
889	AC_MSG_WARN([If you wanted to set the --build type, don't use --host.
890	If a cross compiler is detected then cross compile mode will be used.])
891	elif test "x$build_alias" != "x$host_alias"; then
892	cross_compiling=yes
893	fi
894	fi
895
896	ac_tool_prefix=
897	test -n "$host_alias" && ac_tool_prefix=$host_alias-
898
899	test "$silent" = yes && exec AS_MESSAGE_FD>/dev/null
900
901	m4_divert_pop([PARSE_ARGS])dnl
902	])# SH_INIT_PARSE_ARGS
903
904	m4_define([SH_INIT_HELP],
905	[m4_divert_push([HELP_BEGIN])dnl
906
907	#
908	# Report the --help message.
909	#
910	if test "$ac_init_help" = "long"; then
911	# Omit some internal or obsolete options to make the list less imposing.
912	# This message is too long to be a string in the A/UX 3.1 sh.
913	cat <<_ACEOF
914	\`configure' configures m4_ifset([AC_PACKAGE_STRING],
915	[AC_PACKAGE_STRING],
916	[this package]) to adapt to many kinds of systems.
917
918	Usage: $[0] [[OPTION]]... [[VAR=VALUE]]...
919
920	[To assign environment variables (e.g., CC, CFLAGS...), specify them as
921	VAR=VALUE. See below for descriptions of some of the useful variables.
922
923	Defaults for the options are specified in brackets.
924
925	Configuration:
926	-h, --help display this help and exit
927	--help=short display options specific to this package
928	--help=recursive display the short help of all the included packages
929	-V, --version display version information and exit
930	-q, --quiet, --silent do not print \`checking...' messages
931	--cache-file=FILE cache test results in FILE [disabled]
932	-C, --config-cache alias for \`--cache-file=config.cache'
933	-n, --no-create do not create output files
934	--srcdir=DIR find the sources in DIR [configure dir or \`..']
935
936	_ACEOF
937
938	cat <<_ACEOF
939	Installation directories:
940	--prefix=PREFIX install architecture-independent files in PREFIX
941	[$ac_default_prefix]
942	--exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
943	[PREFIX]
944
945	By default, \`make install' will install binaries in \`/usr/local/sbin',
946	the config file in \`/etc', manpage in \`/usr/local/share/man', and state
947	data in \`/var/lib/INSTALL_NAME' (FSH layout). You can specify other
948	FSH compliant layouts with \`--prefix=OPT' or \`--prefix=USR', or you
949	can specify a directory with \`--prefix=DIR' to install in \`DIR/sbin',
950	\`DIR/etc', etc.
951
952	For better control, use the options below.
953
954	Fine tuning of the installation directories:
955	--sbindir=DIR system admin executables [EPREFIX/sbin]
956	--sysconfdir=DIR read-only single-machine data [PREFIX/etc]
957	--localstatedir=DIR modifiable single-machine data [PREFIX/var]
958	--mandir=DIR man documentation [PREFIX/man]
959
960	For even finer tuning, paths can be specified for individual files (see below)
961
962	_ACEOF
963
964	cat <<\_ACEOF]
965	m4_divert_pop([HELP_BEGIN])dnl
966	dnl The order of the diversions here is
967	dnl - HELP_BEGIN
968	dnl which may be prolongated by extra generic options such as with X or
969	dnl AC_ARG_PROGRAM. Displayed only in long --help.
970	dnl
971	dnl - HELP_CANON
972	dnl Support for cross compilation (--build, --host and --target).
973	dnl Display only in long --help.
974	dnl
975	dnl - HELP_ENABLE
976	dnl which starts with the trailer of the HELP_BEGIN, HELP_CANON section,
977	dnl then implements the header of the non generic options.
978	dnl
979	dnl - HELP_WITH
980	dnl
981	dnl - HELP_VAR
982	dnl
983	dnl - HELP_VAR_END
984	dnl
985	dnl - HELP_END
986	dnl initialized below, in which we dump the trailer (handling of the
987	dnl recursion for instance).
988	m4_divert_push([HELP_ENABLE])dnl
989	_ACEOF
990	fi
991
992	if test -n "$ac_init_help"; then
993	m4_ifset([AC_PACKAGE_STRING],
994	[ case $ac_init_help in
995	short \| recursive ) echo "Configuration of AC_PACKAGE_STRING:";;
996	esac])
997	cat <<\_ACEOF
998	m4_divert_pop([HELP_ENABLE])dnl
999	m4_divert_push([HELP_END])dnl
1000	m4_ifset([AC_PACKAGE_BUGREPORT], [
1001	Report bugs to <AC_PACKAGE_BUGREPORT>.])
1002	_ACEOF
1003	fi
1004
1005	if test "$ac_init_help" = "recursive"; then
1006	# If there are subdirs, report their specific --help.
1007	ac_popdir=`pwd`
1008	for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
1009	test -d $ac_dir \|\| continue
1010	_AC_SRCPATHS(["$ac_dir"])
1011	cd $ac_dir
1012	# Check for guested configure; otherwise get Cygnus style configure.
1013	if test -f $ac_srcdir/configure.gnu; then
1014	echo
1015	$SHELL $ac_srcdir/configure.gnu --help=recursive
1016	elif test -f $ac_srcdir/configure; then
1017	echo
1018	$SHELL $ac_srcdir/configure --help=recursive
1019	elif test -f $ac_srcdir/configure.ac \|\|
1020	test -f $ac_srcdir/configure.in; then
1021	echo
1022	$ac_configure --help
1023	else
1024	AC_MSG_WARN([no configuration information is in $ac_dir])
1025	fi
1026	cd $ac_popdir
1027	done
1028	fi
1029
1030	test -n "$ac_init_help" && exit 0
1031	m4_divert_pop([HELP_END])dnl
1032	])# SH_INIT_HELP
1033
1034
1035
1036
1037
1038
1039
1040
1041	# Check whether sa_sigaction works.
1042	# Rainer Wichmann <support@la-samhna.de>, 2003.
1043	#
1044	# This file can be copied and used freely without restrictions. It can
1045	# be used in projects which are not available under the GNU Public License.
1046
1047	# serial 1
1048
1049	AC_DEFUN([AM_SA_SIGACTION_WORKS],
1050	[
1051	am_cv_val_SA_SIGACTION=no
1052	AC_CHECK_HEADER(signal.h,
1053	[
1054	AM_SI_USER
1055	AM_SA_SIGINFO
1056	if test $am_cv_val_SI_USER = yes && test $am_cv_val_SA_SIGINFO = yes
1057	then
1058	AC_TRY_RUN([
1059	#include <signal.h>
1060	#include <setjmp.h>
1061	#include <stdio.h>
1062	#include <stdlib.h>
1063
1064	volatile int xnum = 0;
1065	volatile int xcode = 0;
1066	jmp_buf Buf;
1067	int xsig = SIGSEGV;
1068
1069	void sighandler (int xsignam, siginfo_t * xsiginfo, void * xsigadd)
1070	{
1071	static sigset_t x;
1072
1073	if (xsiginfo == NULL)
1074	exit(__LINE__);
1075	if (xsiginfo->si_signo != xsignam)
1076	exit(__LINE__);
1077	++xnum;
1078	xcode = xsiginfo->si_code;
1079	sigemptyset (&x);
1080	sigprocmask(SIG_SETMASK, &x, NULL);
1081	longjmp ( Buf, 1);
1082	}
1083
1084	int main ()
1085	{
1086	struct sigaction newact;
1087
1088	newact.sa_sigaction = sighandler;
1089	sigemptyset (&newact.sa_mask);
1090	newact.sa_flags = SA_SIGINFO;
1091	if (0 != sigaction (xsig, &newact, NULL))
1092	exit (__LINE__);
1093	if(setjmp ( Buf)) {
1094	if (xnum > 1)
1095	goto Third;
1096	goto Second;
1097	}
1098	memcpy((void *) 0x0, "test", 5);
1099	Second:
1100	if (xcode == SI_USER)
1101	exit (__LINE__);
1102	raise(xsig);
1103	Third:
1104	if (xcode != SI_USER)
1105	exit (__LINE__);
1106	if (xnum != 2)
1107	exit (__LINE__);
1108	return (0);
1109	}], am_cv_val_SA_SIGACTION=yes, am_cv_val_SA_SIGACTION=no, am_cv_val_SA_SIGACTION=no)
1110	fi
1111	])
1112	AC_MSG_CHECKING([whether sa_sigaction is supported])
1113	if test $am_cv_val_SA_SIGACTION = yes
1114	then
1115	AC_MSG_RESULT(yes)
1116	AC_DEFINE([SA_SIGACTION_WORKS], 1, [Define if sa_sigaction works])
1117	else
1118	AC_MSG_RESULT(no)
1119	fi
1120	])
1121
1122	# Check whether SI_USER is available in <signal.h>.
1123	# Rainer Wichmann <support@la-samhna.de>, 2003.
1124	#
1125	# This file can be copied and used freely without restrictions. It can
1126	# be used in projects which are not available under the GNU Public License.
1127
1128	# serial 1
1129
1130
1131	AC_DEFUN([AM_SI_USER],
1132	[if test $ac_cv_header_signal_h = yes; then
1133	AC_CACHE_CHECK([for SI_USER in signal.h], am_cv_val_SI_USER,
1134	[AC_TRY_LINK([#include <signal.h>], [return SI_USER],
1135	am_cv_val_SI_USER=yes, am_cv_val_SI_USER=no)])
1136	if test $am_cv_val_SI_USER = yes; then
1137	AC_DEFINE([HAVE_SI_USER], 1, [Define if you have SI_USER])
1138	fi
1139	fi])
1140
1141	# Check whether SA_SIGINFO is available in <signal.h>.
1142	# Rainer Wichmann <support@la-samhna.de>, 2003.
1143	#
1144	# This file can be copied and used freely without restrictions. It can
1145	# be used in projects which are not available under the GNU Public License.
1146
1147	# serial 1
1148
1149
1150	AC_DEFUN([AM_SA_SIGINFO],
1151	[if test $ac_cv_header_signal_h = yes; then
1152	AC_CACHE_CHECK([for SA_SIGINFO in signal.h], am_cv_val_SA_SIGINFO,
1153	[AC_TRY_LINK([#include <signal.h>], [return SA_SIGINFO],
1154	am_cv_val_SA_SIGINFO=yes, am_cv_val_SA_SIGINFO=no)])
1155	if test $am_cv_val_SA_SIGINFO = yes; then
1156	AC_DEFINE([HAVE_SA_SIGINFO], 1, [Define if you have SA_SIGINFO])
1157	fi
1158	fi])
1159
1160	dnl
1161	dnl Useful macros for autoconf to check for ssp-patched gcc
1162	dnl 1.0 - September 2003 - Tiago Sousa <mirage@kaotik.org>
1163	dnl
1164	dnl About ssp:
1165	dnl GCC extension for protecting applications from stack-smashing attacks
1166	dnl http://www.research.ibm.com/trl/projects/security/ssp/
1167	dnl
1168	dnl Usage:
1169	dnl After calling the correct AC_LANG_*, use the corresponding macro:
1170	dnl
1171	dnl GCC_STACK_PROTECT_CC
1172	dnl checks -fstack-protector with the C compiler, if it exists then updates
1173	dnl CFLAGS and defines ENABLE_SSP_CC
1174	dnl
1175	AC_DEFUN([GCC_STACK_PROTECT_CC],[
1176	ssp_cc=yes
1177	if test "X$GCC" = "Xyes"; then
1178	AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
1179	ssp_old_cflags="$CFLAGS"
1180	CFLAGS="$CFLAGS -fstack-protector"
1181	AC_TRY_COMPILE(,,, ssp_cc=no)
1182	# echo $ssp_cc
1183	if test "X$ssp_cc" = "Xno"; then
1184	CFLAGS="$ssp_old_cflags"
1185	AC_MSG_RESULT(no)
1186	else
1187	AC_MSG_RESULT(yes)
1188	AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
1189	fi
1190	fi
1191	])
1192
1193	AC_DEFUN([SAMHAIN_POSIX],[
1194	AC_MSG_CHECKING([whether _POSIX_SOURCE is necessary])
1195	AC_TRY_COMPILE([#include <stdio.h>
1196	void fileno(int);int fdopen(int, char *); ],,
1197	[
1198	AC_MSG_RESULT(yes)
1199	AC_DEFINE([_POSIX_SOURCE],1,[Define if POSIX functions are required])
1200	],
1201	[AC_MSG_RESULT(no)])
1202	])dnl
1203
1204	dnl Autoconf macros for libprelude
1205	dnl $id$
1206
1207	# Modified for LIBPRELUDE -- Yoann Vandoorselaere
1208	# Modified for LIBGNUTLS -- nmav
1209	# Configure paths for LIBGCRYPT
1210	# Shamelessly stolen from the one of XDELTA by Owen Taylor
1211	# Werner Koch 99-12-09
1212
1213	dnl AM_PATH_LIBPRELUDE([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
1214	dnl Test for libprelude, and define LIBPRELUDE_PREFIX, LIBPRELUDE_CFLAGS, LIBPRELUDE_PTHREAD_CFLAGS,
1215	dnl LIBPRELUDE_LDFLAGS, and LIBPRELUDE_LIBS
1216	dnl
1217	AC_DEFUN([AM_PATH_LIBPRELUDE],
1218	[dnl
1219	dnl Get the cflags and libraries from the libprelude-config script
1220	dnl
1221	dnl AC_ARG_WITH(libprelude-prefix,
1222	dnl [ --with-libprelude-prefix=PFX Prefix where libprelude is installed (optional)],
1223	dnl libprelude_config_prefix="$withval", libprelude_config_prefix="")
1224	dnl
1225	dnl if test x$libprelude_config_prefix != x ; then
1226	dnl if test x${LIBPRELUDE_CONFIG+set} != xset ; then
1227	dnl LIBPRELUDE_CONFIG=$libprelude_config_prefix/bin/libprelude-config
1228	dnl fi
1229	dnl fi
1230	dnl
1231	dnl AC_PATH_PROG(LIBPRELUDE_CONFIG, libprelude-config, no)
1232	min_libprelude_version=ifelse([$1], ,0.1.0,$1)
1233	AC_MSG_CHECKING(for libprelude - version >= $min_libprelude_version)
1234	no_libprelude=""
1235	if test "$LIBPRELUDE_CONFIG" = "no" ; then
1236	no_libprelude=yes
1237	else
1238	LIBPRELUDE_CFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --cflags`
1239	LIBPRELUDE_PTHREAD_CFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --pthread-cflags`
1240	LIBPRELUDE_LDFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --ldflags`
1241	LIBPRELUDE_LIBS=`$LIBPRELUDE_CONFIG $libprelude_config_args --libs`
1242	LIBPRELUDE_PREFIX=`$LIBPRELUDE_CONFIG $libprelude_config_args --prefix`
1243	LIBPRELUDE_CONFIG_PREFIX=`$LIBPRELUDE_CONFIG $libprelude_config_args --config-prefix`
1244	libprelude_config_version=`$LIBPRELUDE_CONFIG $libprelude_config_args --version`
1245
1246
1247	ac_save_CFLAGS="$CFLAGS"
1248	ac_save_LDFLAGS="$LDFLAGS"
1249	ac_save_LIBS="$LIBS"
1250	CFLAGS="$CFLAGS $LIBPRELUDE_CFLAGS"
1251	LDFLAGS="$LDFLAGS $LIBPRELUDE_LDFLAGS"
1252	LIBS="$LIBS $LIBPRELUDE_LIBS"
1253	dnl
1254	dnl Now check if the installed libprelude is sufficiently new. Also sanity
1255	dnl checks the results of libprelude-config to some extent
1256	dnl
1257	rm -f conf.libpreludetest
1258	AC_TRY_RUN([
1259	#include <stdio.h>
1260	#include <stdlib.h>
1261	#include <string.h>
1262	#include <libprelude/prelude.h>
1263
1264	int
1265	main ()
1266	{
1267	system ("touch conf.libpreludetest");
1268
1269	if( strcmp( prelude_check_version(NULL), "$libprelude_config_version" ) )
1270	{
1271	printf("\n*** 'libprelude-config --version' returned %s, but LIBPRELUDE (%s)\n",
1272	"$libprelude_config_version", prelude_check_version(NULL) );
1273	printf("*** was found! If libprelude-config was correct, then it is best\n");
1274	printf("*** to remove the old version of LIBPRELUDE. You may also be able to fix the error\n");
1275	printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
1276	printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
1277	printf("*** required on your system.\n");
1278	printf("*** If libprelude-config was wrong, set the environment variable LIBPRELUDE_CONFIG\n");
1279	printf("*** to point to the correct copy of libprelude-config, and remove the file config.cache\n");
1280	printf("*** before re-running configure\n");
1281	}
1282	else if ( strcmp(prelude_check_version(NULL), LIBPRELUDE_VERSION ) )
1283	{
1284	printf("\n*** LIBPRELUDE header file (version %s) does not match\n", LIBPRELUDE_VERSION);
1285	printf("*** library (version %s)\n", prelude_check_version(NULL) );
1286	}
1287	else
1288	{
1289	if ( prelude_check_version( "$min_libprelude_version" ) )
1290	{
1291	return 0;
1292	}
1293	else
1294	{
1295	printf("no\n*** An old version of LIBPRELUDE (%s) was found.\n",
1296	prelude_check_version(NULL) );
1297	printf("*** You need a version of LIBPRELUDE newer than %s. The latest version of\n",
1298	"$min_libprelude_version" );
1299	printf("*** LIBPRELUDE is always available from http://www.prelude-ids.org/download/releases.\n");
1300	printf("*** \n");
1301	printf("*** If you have already installed a sufficiently new version, this error\n");
1302	printf("*** probably means that the wrong copy of the libprelude-config shell script is\n");
1303	printf("*** being found. The easiest way to fix this is to remove the old version\n");
1304	printf("*** of LIBPRELUDE, but you can also set the LIBPRELUDE_CONFIG environment to point to the\n");
1305	printf("*** correct copy of libprelude-config. (In this case, you will have to\n");
1306	printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
1307	printf("*** so that the correct libraries are found at run-time))\n");
1308	}
1309	}
1310	return 1;
1311	}
1312	],, no_libprelude=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
1313	CFLAGS="$ac_save_CFLAGS"
1314	LIBS="$ac_save_LIBS"
1315	LDFLAGS="$ac_save_LDFLAGS"
1316	fi
1317
1318	if test "x$no_libprelude" = x ; then
1319	AC_MSG_RESULT(yes)
1320	ifelse([$2], , :, [$2])
1321	else
1322	if test -f conf.libpreludetest ; then
1323	:
1324	else
1325	AC_MSG_RESULT(no)
1326	fi
1327	if test "$LIBPRELUDE_CONFIG" = "no" ; then
1328	echo "*** The libprelude-config script installed by LIBPRELUDE could not be found"
1329	echo "*** If LIBPRELUDE was installed in PREFIX, make sure PREFIX/bin is in"
1330	echo "*** your path, or set the LIBPRELUDE_CONFIG environment variable to the"
1331	echo "*** full path to libprelude-config."
1332	else
1333	if test -f conf.libpreludetest ; then
1334	:
1335	else
1336	echo "*** Could not run libprelude test program, checking why..."
1337	CFLAGS="$CFLAGS $LIBPRELUDE_CFLAGS"
1338	LDFLAGS="$LDFLAGS $LIBPRELUDE_LDFLAGS"
1339	LIBS="$LIBS $LIBPRELUDE_LIBS"
1340	AC_TRY_LINK([
1341	#include <stdio.h>
1342	#include <stdlib.h>
1343	#include <string.h>
1344	#include <libprelude/prelude.h>
1345	], [ return !!prelude_check_version(NULL); ],
1346	[ echo "*** The test program compiled, but did not run. This usually means"
1347	echo "*** that the run-time linker is not finding LIBPRELUDE or finding the wrong"
1348	echo "*** version of LIBPRELUDE. If it is not finding LIBPRELUDE, you'll need to set your"
1349	echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
1350	echo "*** to the installed location Also, make sure you have run ldconfig if that"
1351	echo "*** is required on your system"
1352	echo "***"
1353	echo "*** If you have an old version installed, it is best to remove it, although"
1354	echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
1355	echo "***" ],
1356	[ echo "*** The test program failed to compile or link. See the file config.log for the"
1357	echo "*** exact error that occured. This usually means LIBPRELUDE was incorrectly installed"
1358	echo "*** or that you have moved LIBPRELUDE since it was installed. In the latter case, you"
1359	echo "*** may want to edit the libprelude-config script: $LIBPRELUDE_CONFIG" ])
1360	CFLAGS="$ac_save_CFLAGS"
1361	LDFLAGS="$ac_save_LDFLAGS"
1362	LIBS="$ac_save_LIBS"
1363	fi
1364	fi
1365	LIBPRELUDE_CFLAGS=""
1366	LIBPRELUDE_LDFLAGS=""
1367	LIBPRELUDE_LIBS=""
1368	ifelse([$3], , :, [$3])
1369	fi
1370	rm -f conf.libpreludetest
1371	AC_SUBST(LIBPRELUDE_CFLAGS)
1372	AC_SUBST(LIBPRELUDE_PTHREAD_CFLAGS)
1373	AC_SUBST(LIBPRELUDE_LDFLAGS)
1374	AC_SUBST(LIBPRELUDE_LIBS)
1375	AC_SUBST(LIBPRELUDE_PREFIX)
1376	AC_SUBST(LIBPRELUDE_CONFIG_PREFIX)
1377	])
1378
1379	dnl -wedit:notab- Please keep this as the last line.
1380

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