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source: trunk/aclocal.m4@ 548

Last change on this file since 548 was 544, checked in by katerina, 6 years ago
Fix for ticket #436 (new gcc compiler options, including LTO).
File size: 64.5 KB

Rev	Line
[1]	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	#
	14	# Check to make sure that the build environment is sane.
	15	#
	16	AC_DEFUN([AM_INIT_AUTOMAKE],
	17	[
[43]	18	AC_REQUIRE([AC_PROG_INSTALL])
[1]	19	PACKAGE=[$1]
	20	AC_SUBST(PACKAGE)
	21	VERSION=[$2]
	22	AC_SUBST(VERSION)
	23	dnl test to see if srcdir already configured
	24	if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
	25	AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
	26	fi
	27	ifelse([$3],,
	28	AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
	29	AC_DEFINE_UNQUOTED(VERSION, "$VERSION"))
	30	AC_REQUIRE([AC_PROG_MAKE_SET])])
	31
	32
	33	# Define a conditional.
	34
	35	AC_DEFUN([AM_CONDITIONAL],
	36	[AC_SUBST($1_TRUE)
	37	AC_SUBST($1_FALSE)
	38	if $2; then
	39	$1_TRUE=
	40	$1_FALSE='#'
	41	else
	42	$1_TRUE='#'
	43	$1_FALSE=
	44	fi])
	45
	46
	47	AC_DEFUN([sh_run_prog],
	48	[if test "$cross_compiling" = "yes"; then
	49	AC_MSG_ERROR([Can not probe non-portable values when cross compiling])
	50	fi
	51	cat > conftest.$ac_ext <<EOF
	52	[#]line __oline__ "configure"
	53	#include "confdefs.h"
	54	ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
	55	extern "C" void exit(int);
	56	#endif
	57	])
	58	[$1]
	59	EOF
	60	if AC_TRY_EVAL(ac_link) && test -s conftest && $2=`(./conftest 2>/dev/null)`
	61	then
	62	dnl Don't remove the temporary files here, so they can be examined.
	63	ifelse([$3], , :, [$3])
	64	else
	65	echo "configure: failed program was:" >&AC_FD_CC
	66	cat conftest.$ac_ext >&AC_FD_CC
	67	ifelse([$4], , , [ rm -fr conftest*
	68	$4
	69	])
	70	fi
	71	rm -fr conftest* ])
	72
	73	dnl fs type number of the proc filing system
	74	AC_DEFUN([sh_procfs_id],
	75	[AC_MSG_CHECKING([f_type of /proc])
	76	AC_CACHE_VAL([sh_cv_proc_fstype],
	77	[sh_run_prog(
	78	changequote(<<, >>)dnl
	79	<<#include <stdio.h>
	80	#ifdef HAVE_STDLIB_H
	81	#include <stdlib.h>
	82	#endif /* HAVE_STDLIB_H */
	83	#ifdef HAVE_UNISTD_H
	84	#include <unistd.h>
	85	#endif /* HAVE_UNISTD_H */
	86	#ifdef HAVE_SYS_VFS_H
	87	#include <sys/vfs.h>
	88	#endif
	89	#ifndef Q
	90	#define __Q(x) #x
	91	#define Q(x) __Q(x)
	92	#endif
	93	int main(void)
	94	{
	95	struct statfs fsbuf;
	96	long ft;
	97	if (statfs("/", &fsbuf)!=0)
	98	exit(1);
	99	ft=fsbuf.f_type;
	100	if (statfs("/proc/1", &fsbuf)!=0)
	101	exit(1);
	102	if (ft!=fsbuf.f_type)
	103	printf("0x%08lx", fsbuf.f_type);
	104	else
	105	puts("statfs useless");
	106	exit(0);
	107	} >>
	108	changequote([, ]), sh_cv_proc_fstype,, sh_cv_proc_fstype="a fatal error occured")])
	109	AC_MSG_RESULT($sh_cv_proc_fstype)
	110	if test "${sh_cv_proc_fstype}" = "a fatal error occured"; then
	111	$1=$2
	112	$4
	113	else if test "${sh_cv_proc_fstype}" = "statfs useless"; then
	114	$1=$2
	115	$4
	116	else
	117	$1=$sh_cv_proc_fstype
	118	$3
	119	fi; fi ])
	120
	121	# Check whether mlock is broken (hpux 10.20 raises a SIGBUS if mlock
	122	# is not called from uid 0 (not tested whether uid 0 works)
	123	dnl AC_CHECK_MLOCK
	124	dnl
	125	define([AC_CHECK_MLOCK],
	126	[ AC_CHECK_FUNCS(mlock)
	127	if test "$ac_cv_func_mlock" = "yes"; then
	128	AC_MSG_CHECKING(whether mlock is broken)
	129	AC_CACHE_VAL(ac_cv_have_broken_mlock,
	130	AC_TRY_RUN([
	131	#include <stdlib.h>
	132	#include <unistd.h>
	133	#include <errno.h>
	134	#include <sys/mman.h>
	135	#include <sys/types.h>
	136	#include <fcntl.h>
	137
	138	int main()
	139	{
	140	char *pool;
	141	int err;
	142	long int pgsize = getpagesize();
	143
	144	pool = malloc( 4096 + pgsize );
	145	if( !pool )
	146	return 2;
	147	pool += (pgsize - ((long int)pool % pgsize));
	148
	149	err = mlock( pool, 4096 );
	150	if( !err \|\| errno == EPERM )
	151	return 0; /* okay */
	152
	153	return 1; /* hmmm */
	154	}
	155
	156	],
	157	ac_cv_have_broken_mlock="no",
	158	ac_cv_have_broken_mlock="yes",
	159	ac_cv_have_broken_mlock="assume-no"
	160	)
	161	)
	162	if test "$ac_cv_have_broken_mlock" = "yes"; then
	163	AC_DEFINE(HAVE_BROKEN_MLOCK)
	164	AC_MSG_RESULT(yes)
	165	else
	166	if test "$ac_cv_have_broken_mlock" = "no"; then
	167	AC_MSG_RESULT(no)
	168	else
	169	AC_MSG_RESULT(assuming no)
	170	fi
	171	fi
	172	fi
	173	])
	174
	175	dnl @synopsis AC_FUNC_VSNPRINTF
	176	dnl
	177	dnl Check whether there is a reasonably sane vsnprintf() function installed.
	178	dnl "Reasonably sane" in this context means never clobbering memory beyond
	179	dnl the buffer supplied, and having a sensible return value. It is
	180	dnl explicitly allowed not to NUL-terminate the return value, however.
	181	dnl
	182	dnl @version $Id: ac_func_vsnprintf.m4,v 1.1 2001/07/26 02:00:21 guidod Exp $
	183	dnl @author Gaute Strokkenes <gs234@cam.ac.uk>
	184	dnl
	185	AC_DEFUN([SL_CHECK_VSNPRINTF],
	186	[AC_CACHE_CHECK(for working vsnprintf,
	187	ac_cv_func_vsnprintf,
	188	[AC_TRY_RUN(
	189	[#include <stdio.h>
	190	#include <stdarg.h>
	191
	192	int
	193	doit(char * s, ...)
	194	{
	195	char buffer[32];
	196	va_list args;
	197	int r;
	198
	199	buffer[5] = 'X';
	200
	201	va_start(args, s);
	202	r = vsnprintf(buffer, 5, s, args);
	203	va_end(args);
	204
	205	/* -1 is pre-C99, 7 is C99. R.W. 17.01.2003 disallow -1 */
	206
	207	if (r != 7)
	208	exit(1);
	209
	210	/* We deliberately do not care if the result is NUL-terminated or
	211	not, since this is easy to work around like this. */
	212
	213	buffer[4] = 0;
	214
	215	/* Simple sanity check. */
	216
	217	if (strcmp(buffer, "1234"))
	218	exit(1);
	219
	220	if (buffer[5] != 'X')
	221	exit(1);
	222
	223	exit(0);
	224	}
	225
	226	int
	227	main(void)
	228	{
	229	doit("1234567");
	230	exit(1);
	231	}], ac_cv_func_vsnprintf=yes, ac_cv_func_vsnprintf=no, ac_cv_func_vsnprintf=no)])
	232	dnl Note that the default is to be pessimistic in the case
	233	dnl of cross compilation.
	234	dnl If you know that the target has a sensible vsnprintf(),
	235	dnl you can get around this
	236	dnl by setting ac_func_vsnprintf to yes, as described in the Autoconf manual.
	237	if test $ac_cv_func_vsnprintf = yes; then
	238	:
	239	else
	240	AC_DEFINE(HAVE_BROKEN_VSNPRINTF, 1,
	241	[Define if you have a broken version of the `vsnprintf' function.])
	242	fi
	243	])# AC_FUNC_VSNPRINTF
	244
	245	dnl SH_CHECK_TYPEDEF(TYPE, HAVE_NAME)
	246	dnl Check whether a typedef exists and create a #define $2 if it exists
	247	dnl
	248	AC_DEFUN([SH_CHECK_TYPEDEF],
	249	[ AC_MSG_CHECKING(for $1 typedef)
	250	sh_cv_typedef_foo=`echo sh_cv_typedef_$1 \| sed -e 's% %_%g'`
	251	AC_CACHE_VAL( $sh_cv_typedef_foo,
[156]	252	[AC_TRY_COMPILE([
	253	#include <stdlib.h>
	254	#include <sys/types.h>
	255	#ifdef HAVE_STDINT_H
	256	#include <stdint.h>
	257	#endif
	258	#ifdef HAVE_INTTYPES_H
	259	#include <inttypes.h>
	260	#endif], [
[1]	261	#undef $1
	262	int a = sizeof($1);
	263	], sh_cv_typedef=yes, sh_cv_typedef=no )])
	264	AC_MSG_RESULT($sh_cv_typedef)
	265	if test "$sh_cv_typedef" = yes; then
[481]	266	AC_DEFINE([$2], [1], [Define if type is defined in stdint.h or inttypes.h])
[1]	267	sh_$2=yes
	268	else
	269	sh_$2=no
	270	fi
	271	])
	272
	273
	274
	275	dnl **********************
	276	dnl * va_copy checks *
	277	dnl **********************
[481]	278	AC_DEFUN([SL_CHECK_VA_COPY],
	279	[AC_MSG_CHECKING(for va_copy())
	280	AC_CACHE_VAL(sh_cv_va_copy,[
	281	AC_TRY_RUN([
	282	#include <stdarg.h>
	283	void f (int i, ...) {
	284	va_list args1, args2;
	285	va_start (args1, i);
	286	va_copy (args2, args1);
	287	if (va_arg (args2, int) != 42)
	288	exit (1);
	289	if (va_arg (args1, int) != 42)
	290	exit (1);
	291	va_end (args1); va_end (args2);
	292	}
	293	int main() {
	294	f (0, 42);
	295	return 0;
	296	}],
	297	sh_cv_va_copy=yes
	298	,
	299	sh_cv_va_copy=no
	300	,
	301	sh_cv_va_copy=no)
[1]	302	])
[481]	303	AC_MSG_RESULT($sh_cv_va_copy)
	304	AC_MSG_CHECKING(for __va_copy())
	305	AC_CACHE_VAL(sh_cv___va_copy,[
	306	AC_TRY_RUN([
	307	#include <stdarg.h>
	308	void f (int i, ...) {
	309	va_list args1, args2;
	310	va_start (args1, i);
	311	__va_copy (args2, args1);
	312	if (va_arg (args2, int) != 42)
	313	exit (1);
	314	if (va_arg (args1, int) != 42)
	315	exit (1);
	316	va_end (args1); va_end (args2);
	317	}
	318	int main() {
	319	f (0, 42);
	320	return 0;
	321	}],
	322	sh_cv___va_copy=yes
	323	,
	324	sh_cv___va_copy=no
	325	,
	326	sh_cv___va_copy=no)
[1]	327	])
[481]	328	AC_MSG_RESULT($sh_cv___va_copy)
	329	AC_MSG_CHECKING(whether va_lists can be copied by value)
	330	AC_CACHE_VAL(sh_cv_va_val_copy,[
	331	AC_TRY_RUN([
	332	#include <stdarg.h>
	333	void f (int i, ...) {
	334	va_list args1, args2;
	335	va_start (args1, i);
	336	args2 = args1;
	337	if (va_arg (args2, int) != 42)
	338	exit (1);
	339	if (va_arg (args1, int) != 42)
	340	exit (1);
	341	va_end (args1); va_end (args2);
	342	}
	343	int main() {
	344	f (0, 42);
	345	return 0;
	346	}],
	347	sh_cv_va_val_copy=yes
	348	,
	349	sh_cv_va_val_copy=no
	350	,
	351	sh_cv_va_val_copy=no)
[1]	352	])
[481]	353	if test "x$sh_cv_va_copy" = "xyes"; then
	354	AC_DEFINE(VA_COPY, va_copy)
	355	else if test "x$sh_cv___va_copy" = "xyes"; then
	356	AC_DEFINE(VA_COPY, __va_copy)
	357	fi
	358	fi
	359	if test "x$sh_cv_va_val_copy" = "xno"; then
	360	AC_DEFINE(VA_COPY_AS_ARRAY)
	361	fi
	362	AC_MSG_RESULT($sh_cv_va_val_copy)
	363	])
[1]	364
	365
	366	dnl SH_INIT_PARSE_ARGS()
	367	m4_define([SH_INIT_PARSE_ARGS],
	368	[
	369	m4_divert_push([PARSE_ARGS])dnl
	370
	371	as_cr_letters='abcdefghijklmnopqrstuvwxyz'
	372	as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
	373	as_cr_Letters=$as_cr_letters$as_cr_LETTERS
	374	as_cr_digits='0123456789'
	375	as_cr_alnum=$as_cr_Letters$as_cr_digits
	376
	377	# Sed expression to map a string onto a valid CPP name.
	378	as_tr_cpp="sed y%*$as_cr_letters%P$as_cr_LETTERS%;s%[[^_$as_cr_alnum]]%_%g"
	379
	380	as_tr_sh="eval sed 'y%*+%pp%;s%[[^_$as_cr_alnum]]%_%g'"
	381	# IFS
	382	# We need space, tab and new line, in precisely that order.
	383	as_nl='
	384	'
	385	IFS=" $as_nl"
	386
	387	# CDPATH.
	388	$as_unset CDPATH \|\| test "${CDPATH+set}" != set \|\| { CDPATH=$PATH_SEPARATOR; export CDPATH; }
	389
	390
	391	# Initialize some variables set by options.
	392	ac_init_help=
	393	ac_init_version=false
	394	# The variables have the same names as the options, with
	395	# dashes changed to underlines.
	396	cache_file=/dev/null
	397	AC_SUBST(exec_prefix, NONE)dnl
	398	no_create=
	399	no_recursion=
	400	AC_SUBST(prefix, NONE)dnl
	401	program_prefix=NONE
	402	program_suffix=NONE
	403	AC_SUBST(program_transform_name, [s,x,x,])dnl
	404	silent=
	405	site=
	406	srcdir=
	407	verbose=
	408	x_includes=NONE
	409	x_libraries=NONE
	410	DESTDIR=
[499]	411	SH_ENABLE_OPTS="selinux posix-acl asm ssp db-reload xml-log message-queue login-watch process-check port-check mounts-check logfile-monitor userfiles debug ptrace static network udp nocl stealth micro-stealth install-name identity khide suidcheck base largefile mail external-scripts encrypt srp dnmalloc ipv6 shellexpand suid"
[191]	412	SH_WITH_OPTS="prelude libprelude-prefix database libwrap cflags libs console altconsole timeserver alttimeserver rnd egd-socket port logserver altlogserver kcheck gpg keyid checksum fp recipient sender trusted tmp-dir config-file log-file pid-file state-dir data-file html-file"
[1]	413
	414	# Installation directory options.
	415	# These are left unexpanded so users can "make install exec_prefix=/foo"
	416	# and all the variables that are supposed to be based on exec_prefix
	417	# by default will actually change.
	418	dnl Use braces instead of parens because sh, perl, etc. also accept them.
	419	sbindir='${exec_prefix}/sbin'
	420	sysconfdir='${prefix}/etc'
	421	localstatedir='${prefix}/var'
	422	mandir='${prefix}/share/man'
	423
	424	AC_SUBST([sbindir], ['${exec_prefix}/sbin'])dnl
	425	AC_SUBST([sysconfdir], ['${prefix}/etc'])dnl
	426	AC_SUBST([localstatedir], ['${prefix}/var'])dnl
	427	AC_SUBST([mandir], ['${prefix}/share/man'])dnl
	428
	429
	430	# Initialize some other variables.
	431	subdirs=
	432	MFLAGS= MAKEFLAGS=
	433	SHELL=${CONFIG_SHELL-/bin/sh}
	434	# Maximum number of lines to put in a shell here document.
	435	ac_max_here_lines=12
	436
	437	ac_prev=
	438	for ac_option
	439	do
	440
	441	# If the previous option needs an argument, assign it.
	442	if test -n "$ac_prev"; then
	443	eval "$ac_prev=\$ac_option"
	444	ac_prev=
	445	continue
	446	fi
	447
	448	case "$ac_option" in
	449	changequote(, )dnl
	450	=) ac_optarg=`echo "$ac_option" \| sed 's/[-_a-zA-Z0-9]*=//'` ;;
	451	changequote([, ])dnl
	452	*) ac_optarg= ;;
	453	esac
	454
	455	# Accept the important Cygnus configure options, so we can diagnose typos.
	456
	457	case "$ac_option" in
	458
	459	-build \| --build \| --buil \| --bui \| --bu)
	460	ac_prev=build_alias ;;
	461	-build=* \| --build=* \| --buil=* \| --bui=* \| --bu=*)
	462	build_alias="$ac_optarg" ;;
	463
	464	-cache-file \| --cache-file \| --cache-fil \| --cache-fi \
	465	\| --cache-f \| --cache- \| --cache \| --cach \| --cac \| --ca \| --c)
	466	ac_prev=cache_file ;;
	467	-cache-file=* \| --cache-file=* \| --cache-fil=* \| --cache-fi=* \
	468	\| --cache-f=* \| --cache-=* \| --cache=* \| --cach=* \| --cac=* \| --ca=* \| --c=*)
	469	cache_file="$ac_optarg" ;;
	470
	471	--config-cache \| -C)
	472	cache_file=config.cache ;;
	473
	474	-disable-* \| --disable-*)
	475	ac_feature=`expr "x$ac_option" : 'x-disable-\(.\)'`
	476	# Reject names that are not valid shell variable names.
	477	expr "x$ac_feature" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
	478	AC_MSG_ERROR([invalid feature name: $ac_feature])
	479	ac_feature=`echo $ac_feature \| sed 's/-/_/g'`
	480	ac_enable_check_opt=no
	481	for f in ${SH_ENABLE_OPTS}
	482	do
	483	f=`echo $f \| sed 's/-/_/g'`
	484	if test x${f} = x"${ac_feature}"
	485	then
	486	ac_enable_check_opt=yes
	487	fi
	488	done
	489	if test x${ac_enable_check_opt} = xno
	490	then
	491	AC_MSG_ERROR([unrecognized option: $ac_option
	492	Try `$[0] --help' for more information.])
	493	fi
	494	eval "enable_$ac_feature=no" ;;
	495
	496	-enable-* \| --enable-*)
	497	ac_feature=`expr "x$ac_option" : 'x-enable-\([[^=]]\)'`
	498	# Reject names that are not valid shell variable names.
	499	expr "x$ac_feature" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
	500	AC_MSG_ERROR([invalid feature name: $ac_feature])
	501	ac_feature=`echo $ac_feature \| sed 's/-/_/g'`
	502	case $ac_option in
	503	=) ac_optarg=`echo "$ac_optarg" \| sed "s/'/'\\\\\\\\''/g"`;;
	504	*) ac_optarg=yes ;;
	505	esac
	506	ac_enable_check_opt=no
	507	for f in ${SH_ENABLE_OPTS}
	508	do
	509	f=`echo $f \| sed 's/-/_/g'`
	510	if test x${f} = x"${ac_feature}"
	511	then
	512	ac_enable_check_opt=yes
	513	fi
	514	done
	515	if test x${ac_enable_check_opt} = xno
	516	then
	517	AC_MSG_ERROR([unrecognized option: $ac_option
	518	Try `$[0] --help' for more information.])
	519	fi
	520	eval "enable_$ac_feature='$ac_optarg'" ;;
	521
	522	-exec-prefix \| --exec_prefix \| --exec-prefix \| --exec-prefi \
	523	\| --exec-pref \| --exec-pre \| --exec-pr \| --exec-p \| --exec- \
	524	\| --exec \| --exe \| --ex)
	525	ac_prev=exec_prefix
	526	ac_exec_prefix_set="yes"
	527	;;
	528	-exec-prefix=* \| --exec_prefix=* \| --exec-prefix=* \| --exec-prefi=* \
	529	\| --exec-pref=* \| --exec-pre=* \| --exec-pr=* \| --exec-p=* \| --exec-=* \
	530	\| --exec=* \| --exe=* \| --ex=*)
	531	exec_prefix="$ac_optarg"
	532	ac_exec_prefix_set="yes"
	533	;;
	534
	535	-gas \| --gas \| --ga \| --g)
	536	# Obsolete; use --with-gas.
	537	with_gas=yes ;;
	538
	539	-help \| --help \| --hel \| --he \| -h)
	540	ac_init_help=long ;;
	541	-help=r* \| --help=r* \| --hel=r* \| --he=r* \| -hr*)
	542	ac_init_help=recursive ;;
	543	-help=s* \| --help=s* \| --hel=s* \| --he=s* \| -hs*)
	544	ac_init_help=short ;;
	545
	546	-host \| --host \| --hos \| --ho)
	547	ac_prev=host_alias ;;
	548	-host=* \| --host=* \| --hos=* \| --ho=*)
	549	host_alias="$ac_optarg" ;;
	550
	551	-localstatedir \| --localstatedir \| --localstatedi \| --localstated \
	552	\| --localstate \| --localstat \| --localsta \| --localst \
	553	\| --locals \| --local \| --loca \| --loc \| --lo)
	554	ac_prev=localstatedir
	555	ac_localstatedir_set="yes"
	556	;;
	557	-localstatedir=* \| --localstatedir=* \| --localstatedi=* \| --localstated=* \
	558	\| --localstate=* \| --localstat=* \| --localsta=* \| --localst=* \
	559	\| --locals=* \| --local=* \| --loca=* \| --loc=* \| --lo=*)
	560	localstatedir="$ac_optarg"
	561	ac_localstatedir_set="yes"
	562	;;
	563
	564	-mandir \| --mandir \| --mandi \| --mand \| --man \| --ma \| --m)
	565	ac_prev=mandir
	566	ac_mandir_set="yes"
	567	;;
	568	-mandir=* \| --mandir=* \| --mandi=* \| --mand=* \| --man=* \| --ma=* \| --m=*)
	569	mandir="$ac_optarg"
	570	ac_mandir_set="yes"
	571	;;
	572
	573	-nfp \| --nfp \| --nf)
	574	# Obsolete; use --without-fp.
	575	with_fp=no ;;
	576
	577	-no-create \| --no-create \| --no-creat \| --no-crea \| --no-cre \
	578	\| --no-cr \| --no-c \| -n)
	579	no_create=yes ;;
	580
	581	-no-recursion \| --no-recursion \| --no-recursio \| --no-recursi \
	582	\| --no-recurs \| --no-recur \| --no-recu \| --no-rec \| --no-re \| --no-r)
	583	no_recursion=yes ;;
	584
	585	-prefix \| --prefix \| --prefi \| --pref \| --pre \| --pr \| --p)
	586	ac_prev=prefix
	587	ac_prefix_set="yes"
	588	;;
	589	-prefix=* \| --prefix=* \| --prefi=* \| --pref=* \| --pre=* \| --pr=* \| --p=*)
	590	prefix="$ac_optarg"
	591	ac_prefix_set="yes"
	592	;;
	593
	594	-q \| -quiet \| --quiet \| --quie \| --qui \| --qu \| --q \
	595	\| -silent \| --silent \| --silen \| --sile \| --sil)
	596	silent=yes ;;
	597
	598	-sbindir \| --sbindir \| --sbindi \| --sbind \| --sbin \| --sbi \| --sb)
	599	ac_prev=sbindir
	600	ac_sbindir_set="yes"
	601	;;
	602	-sbindir=* \| --sbindir=* \| --sbindi=* \| --sbind=* \| --sbin=* \
	603	\| --sbi=* \| --sb=*)
	604	sbindir="$ac_optarg"
	605	ac_sbindir_set="yes"
	606	;;
	607
	608	-bindir \| --bindir \| --bindi \| --bind \| --bin \| --bi \| --b)
	609	echo "WARNING: bindir will be ignored, use sbindir"
	610	;;
	611	-bindir=* \| --bindir=* \| --bindi=* \| --bind=* \| --bin=* \
	612	\| --bi=* \| --b=*)
	613	echo "WARNING: bindir will be ignored, use sbindir"
	614	;;
	615
	616	-datadir \| --datadir)
	617	echo "WARNING: datadir will be ignored"
	618	;;
	619	-datadir=* \| --datadir=*)
	620	echo "WARNING: datadir will be ignored"
	621	;;
	622
	623	-includedir \| --includedir)
	624	echo "WARNING: includedir will be ignored"
	625	;;
	626	-includedir=* \| --includedir=*)
	627	echo "WARNING: includedir will be ignored"
	628	;;
	629
	630	-infodir \| --infodir)
	631	echo "WARNING: infodir will be ignored"
	632	;;
	633	-infodir=* \| --infodir=*)
	634	echo "WARNING: infodir will be ignored"
	635	;;
	636
	637	-libdir \| --libdir)
	638	echo "WARNING: libdir will be ignored"
	639	;;
	640	-libdir=* \| --libdir=*)
	641	echo "WARNING: libdir will be ignored"
	642	;;
	643
	644	-libexecdir \| --libexecdir)
	645	echo "WARNING: libexecdir will be ignored"
	646	;;
	647	-libexecdir=* \| --libexecdir=*)
	648	echo "WARNING: libexecdir will be ignored"
	649	;;
	650
	651	-sharedstatedir \| --sharedstatedir)
	652	echo "WARNING: sharedstatedir will be ignored"
	653	;;
	654	-sharedstatedir=* \| --sharedstatedir=*)
	655	echo "WARNING: sharedstatedir will be ignored"
	656	;;
	657
	658	-site \| --site \| --sit)
	659	ac_prev=site ;;
	660	-site=* \| --site=* \| --sit=*)
	661	site="$ac_optarg" ;;
	662
	663	-srcdir \| --srcdir \| --srcdi \| --srcd \| --src \| --sr)
	664	ac_prev=srcdir ;;
	665	-srcdir=* \| --srcdir=* \| --srcdi=* \| --srcd=* \| --src=* \| --sr=*)
	666	srcdir="$ac_optarg" ;;
	667
	668	-sysconfdir \| --sysconfdir \| --sysconfdi \| --sysconfd \| --sysconf \
	669	\| --syscon \| --sysco \| --sysc \| --sys \| --sy)
	670	ac_prev=sysconfdir
	671	ac_sysconfdir_set="yes"
	672	;;
	673	-sysconfdir=* \| --sysconfdir=* \| --sysconfdi=* \| --sysconfd=* \| --sysconf=* \
	674	\| --syscon=* \| --sysco=* \| --sysc=* \| --sys=* \| --sy=*)
	675	sysconfdir="$ac_optarg"
	676	ac_sysconfdir_set="yes"
	677	;;
	678
	679	-target \| --target \| --targe \| --targ \| --tar \| --ta \| --t)
	680	ac_prev=target_alias ;;
	681	-target=* \| --target=* \| --targe=* \| --targ=* \| --tar=* \| --ta=* \| --t=*)
	682	target_alias="$ac_optarg" ;;
	683
	684	-v \| -verbose \| --verbose \| --verbos \| --verbo \| --verb)
	685	verbose=yes ;;
	686
	687	-version \| --version \| --versio \| --versi \| --vers)
	688	ac_init_version=: ;;
	689
	690
	691	-with-* \| --with-*)
	692	ac_package=`expr "x$ac_option" : 'x-with-\([[^=]]\)'`
	693	# Reject names that are not valid shell variable names.
	694	expr "x$ac_package" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
	695	AC_MSG_ERROR([invalid package name: $ac_package])
	696	ac_package=`echo $ac_package\| sed 's/-/_/g'`
	697	case $ac_option in
	698	=) ac_optarg=`echo "$ac_optarg" \| sed "s/'/'\\\\\\\\''/g"`;;
	699	*) ac_optarg=yes ;;
	700	esac
	701	ac_with_check_opt=no
	702	for f in ${SH_WITH_OPTS}
	703	do
	704	f=`echo $f \| sed 's/-/_/g'`
	705	if test x${f} = x"${ac_package}"
	706	then
	707	ac_with_check_opt=yes
	708	fi
	709	done
	710	if test x${ac_with_check_opt} = xno
	711	then
	712	AC_MSG_ERROR([unrecognized option: $ac_option
	713	Try `$[0] --help' for more information.])
	714	fi
	715	eval "with_$ac_package='$ac_optarg'" ;;
	716
	717	-without-* \| --without-*)
	718	ac_package=`expr "x$ac_option" : 'x-without-\(.\)'`
	719	# Reject names that are not valid shell variable names.
	720	expr "x$ac_package" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
	721	AC_MSG_ERROR([invalid package name: $ac_package])
	722	ac_package=`echo $ac_package \| sed 's/-/_/g'`
	723	ac_with_check_opt=no
	724	for f in ${SH_WITH_OPTS}
	725	do
	726	f=`echo $f \| sed 's/-/_/g'`
	727	if test x${f} = x"${ac_package}"
	728	then
	729	ac_with_check_opt=yes
	730	fi
	731	done
	732	if test x${ac_with_check_opt} = xno
	733	then
	734	AC_MSG_ERROR([unrecognized option: $ac_option
	735	Try `$[0] --help' for more information.])
	736	fi
	737	eval "with_$ac_package=no" ;;
	738
	739
	740	-*) AC_MSG_ERROR([unrecognized option: $ac_option
	741	Try `$[0] --help' for more information.])
	742	;;
	743
	744	=)
	745	ac_envvar=`expr "x$ac_option" : 'x\([[^=]]*\)='`
	746	# Reject names that are not valid shell variable names.
	747	expr "x$ac_envvar" : "[.*[^_$as_cr_alnum]]" >/dev/null &&
	748	AC_MSG_ERROR([invalid variable name: $ac_envvar])
	749	ac_optarg=`echo "$ac_optarg" \| sed "s/'/'\\\\\\\\''/g"`
	750	eval "$ac_envvar='$ac_optarg'"
	751	export $ac_envvar ;;
	752
	753	*)
	754	# FIXME: should be removed in autoconf 3.0.
	755	AC_MSG_WARN([you should use --build, --host, --target])
	756	expr "x$ac_option" : "[.*[^-._$as_cr_alnum]]" >/dev/null &&
	757	AC_MSG_WARN([invalid host type: $ac_option])
	758	: ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
	759	;;
	760
	761
	762	esac
	763	done
	764
	765	if test -n "$ac_prev"; then
	766	AC_MSG_ERROR(missing argument to --`echo $ac_prev \| sed 's/_/-/g'`)
	767	fi
	768
	769	# Be sure to have absolute paths.
	770	for ac_var in prefix exec_prefix
	771	do
	772	eval ac_val=$`echo $ac_var`
	773	case $ac_val in
	774	[[\\/$]]* \| ?:[[\\/]]* \| NONE \| '' \| OPT \| USR ) ;;
	775	*) AC_MSG_ERROR([expected an absolute directory name for --$ac_var: $ac_val]);;
	776	esac
	777	done
	778
	779	# Be sure to have absolute paths.
	780	for ac_var in sbindir sysconfdir localstatedir mandir
	781	do
	782	eval ac_val=$`echo $ac_var`
	783	case $ac_val in
	784	[[\\/$]]* \| ?:[[\\/]]* ) ;;
	785	*) AC_MSG_ERROR([expected an absolute directory name for --$ac_var: $ac_val]);;
	786	esac
	787	done
	788
	789	# There might be people who depend on the old broken behavior: `$host'
	790	# used to hold the argument of --host etc.
	791	# FIXME: To remove some day.
	792	build=$build_alias
	793	host=$host_alias
	794	target=$target_alias
	795
	796	# FIXME: To remove some day.
	797	if test "x$host_alias" != x; then
	798	if test "x$build_alias" = x; then
	799	cross_compiling=maybe
	800	AC_MSG_WARN([If you wanted to set the --build type, don't use --host.
	801	If a cross compiler is detected then cross compile mode will be used.])
	802	elif test "x$build_alias" != "x$host_alias"; then
	803	cross_compiling=yes
	804	fi
	805	fi
	806
	807	ac_tool_prefix=
	808	test -n "$host_alias" && ac_tool_prefix=$host_alias-
	809
	810	test "$silent" = yes && exec AS_MESSAGE_FD>/dev/null
	811
	812	m4_divert_pop([PARSE_ARGS])dnl
	813	])# SH_INIT_PARSE_ARGS
	814
	815	m4_define([SH_INIT_HELP],
	816	[m4_divert_push([HELP_BEGIN])dnl
	817
	818	#
	819	# Report the --help message.
	820	#
	821	if test "$ac_init_help" = "long"; then
	822	# Omit some internal or obsolete options to make the list less imposing.
	823	# This message is too long to be a string in the A/UX 3.1 sh.
	824	cat <<_ACEOF
	825	\`configure' configures m4_ifset([AC_PACKAGE_STRING],
	826	[AC_PACKAGE_STRING],
	827	[this package]) to adapt to many kinds of systems.
	828
	829	Usage: $[0] [[OPTION]]... [[VAR=VALUE]]...
	830
	831	[To assign environment variables (e.g., CC, CFLAGS...), specify them as
	832	VAR=VALUE. See below for descriptions of some of the useful variables.
	833
	834	Defaults for the options are specified in brackets.
	835
	836	Configuration:
	837	-h, --help display this help and exit
	838	--help=short display options specific to this package
	839	--help=recursive display the short help of all the included packages
	840	-V, --version display version information and exit
	841	-q, --quiet, --silent do not print \`checking...' messages
	842	--cache-file=FILE cache test results in FILE [disabled]
	843	-C, --config-cache alias for \`--cache-file=config.cache'
	844	-n, --no-create do not create output files
	845	--srcdir=DIR find the sources in DIR [configure dir or \`..']
	846
	847	_ACEOF
	848
	849	cat <<_ACEOF
	850	Installation directories:
	851	--prefix=PREFIX install architecture-independent files in PREFIX
	852	[$ac_default_prefix]
	853	--exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
	854	[PREFIX]
	855
	856	By default, \`make install' will install binaries in \`/usr/local/sbin',
	857	the config file in \`/etc', manpage in \`/usr/local/share/man', and state
	858	data in \`/var/lib/INSTALL_NAME' (FSH layout). You can specify other
	859	FSH compliant layouts with \`--prefix=OPT' or \`--prefix=USR', or you
	860	can specify a directory with \`--prefix=DIR' to install in \`DIR/sbin',
	861	\`DIR/etc', etc.
	862
	863	For better control, use the options below.
	864
	865	Fine tuning of the installation directories:
	866	--sbindir=DIR system admin executables [EPREFIX/sbin]
	867	--sysconfdir=DIR read-only single-machine data [PREFIX/etc]
	868	--localstatedir=DIR modifiable single-machine data [PREFIX/var]
	869	--mandir=DIR man documentation [PREFIX/man]
	870
	871	For even finer tuning, paths can be specified for individual files (see below)
	872
	873	_ACEOF
	874
	875	cat <<\_ACEOF]
	876	m4_divert_pop([HELP_BEGIN])dnl
	877	dnl The order of the diversions here is
	878	dnl - HELP_BEGIN
	879	dnl which may be prolongated by extra generic options such as with X or
	880	dnl AC_ARG_PROGRAM. Displayed only in long --help.
	881	dnl
	882	dnl - HELP_CANON
	883	dnl Support for cross compilation (--build, --host and --target).
	884	dnl Display only in long --help.
	885	dnl
	886	dnl - HELP_ENABLE
	887	dnl which starts with the trailer of the HELP_BEGIN, HELP_CANON section,
	888	dnl then implements the header of the non generic options.
	889	dnl
	890	dnl - HELP_WITH
	891	dnl
	892	dnl - HELP_VAR
	893	dnl
	894	dnl - HELP_VAR_END
	895	dnl
	896	dnl - HELP_END
	897	dnl initialized below, in which we dump the trailer (handling of the
	898	dnl recursion for instance).
	899	m4_divert_push([HELP_ENABLE])dnl
	900	_ACEOF
	901	fi
	902
	903	if test -n "$ac_init_help"; then
	904	m4_ifset([AC_PACKAGE_STRING],
	905	[ case $ac_init_help in
	906	short \| recursive ) echo "Configuration of AC_PACKAGE_STRING:";;
	907	esac])
	908	cat <<\_ACEOF
	909	m4_divert_pop([HELP_ENABLE])dnl
	910	m4_divert_push([HELP_END])dnl
	911	m4_ifset([AC_PACKAGE_BUGREPORT], [
	912	Report bugs to <AC_PACKAGE_BUGREPORT>.])
	913	_ACEOF
	914	fi
	915
	916	if test "$ac_init_help" = "recursive"; then
	917	# If there are subdirs, report their specific --help.
	918	ac_popdir=`pwd`
	919	for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
	920	test -d $ac_dir \|\| continue
	921	_AC_SRCPATHS(["$ac_dir"])
	922	cd $ac_dir
	923	# Check for guested configure; otherwise get Cygnus style configure.
	924	if test -f $ac_srcdir/configure.gnu; then
	925	echo
	926	$SHELL $ac_srcdir/configure.gnu --help=recursive
	927	elif test -f $ac_srcdir/configure; then
	928	echo
	929	$SHELL $ac_srcdir/configure --help=recursive
	930	elif test -f $ac_srcdir/configure.ac \|\|
	931	test -f $ac_srcdir/configure.in; then
	932	echo
	933	$ac_configure --help
	934	else
	935	AC_MSG_WARN([no configuration information is in $ac_dir])
	936	fi
	937	cd $ac_popdir
	938	done
	939	fi
	940
	941	test -n "$ac_init_help" && exit 0
	942	m4_divert_pop([HELP_END])dnl
	943	])# SH_INIT_HELP
	944
	945
	946
	947
	948
	949
	950
	951
	952	# Check whether sa_sigaction works.
	953	# Rainer Wichmann <support@la-samhna.de>, 2003.
	954	#
	955	# This file can be copied and used freely without restrictions. It can
	956	# be used in projects which are not available under the GNU Public License.
	957
	958	# serial 1
	959
	960	AC_DEFUN([AM_SA_SIGACTION_WORKS],
	961	[
	962	am_cv_val_SA_SIGACTION=no
	963	AC_CHECK_HEADER(signal.h,
	964	[
	965	AM_SI_USER
	966	AM_SA_SIGINFO
	967	if test $am_cv_val_SI_USER = yes && test $am_cv_val_SA_SIGINFO = yes
	968	then
	969	AC_TRY_RUN([
	970	#include <signal.h>
	971	#include <setjmp.h>
	972	#include <stdio.h>
	973	#include <stdlib.h>
	974
	975	volatile int xnum = 0;
	976	volatile int xcode = 0;
	977	jmp_buf Buf;
	978	int xsig = SIGSEGV;
	979
	980	void sighandler (int xsignam, siginfo_t * xsiginfo, void * xsigadd)
	981	{
	982	static sigset_t x;
	983
	984	if (xsiginfo == NULL)
	985	exit(__LINE__);
	986	if (xsiginfo->si_signo != xsignam)
	987	exit(__LINE__);
	988	++xnum;
	989	xcode = xsiginfo->si_code;
	990	sigemptyset (&x);
	991	sigprocmask(SIG_SETMASK, &x, NULL);
	992	longjmp ( Buf, 1);
	993	}
	994
	995	int main ()
	996	{
	997	struct sigaction newact;
	998
	999	newact.sa_sigaction = sighandler;
	1000	sigemptyset (&newact.sa_mask);
	1001	newact.sa_flags = SA_SIGINFO;
	1002	if (0 != sigaction (xsig, &newact, NULL))
	1003	exit (__LINE__);
	1004	if(setjmp ( Buf)) {
	1005	if (xnum > 1)
	1006	goto Third;
	1007	goto Second;
	1008	}
	1009	memcpy((void *) 0x0, "test", 5);
	1010	Second:
	1011	if (xcode == SI_USER)
	1012	exit (__LINE__);
	1013	raise(xsig);
	1014	Third:
	1015	if (xcode != SI_USER)
	1016	exit (__LINE__);
	1017	if (xnum != 2)
	1018	exit (__LINE__);
	1019	return (0);
	1020	}], am_cv_val_SA_SIGACTION=yes, am_cv_val_SA_SIGACTION=no, am_cv_val_SA_SIGACTION=no)
	1021	fi
	1022	])
	1023	AC_MSG_CHECKING([whether sa_sigaction is supported])
	1024	if test $am_cv_val_SA_SIGACTION = yes
	1025	then
	1026	AC_MSG_RESULT(yes)
	1027	AC_DEFINE([SA_SIGACTION_WORKS], 1, [Define if sa_sigaction works])
	1028	else
	1029	AC_MSG_RESULT(no)
	1030	fi
	1031	])
	1032
	1033	# Check whether SI_USER is available in <signal.h>.
	1034	# Rainer Wichmann <support@la-samhna.de>, 2003.
	1035	#
	1036	# This file can be copied and used freely without restrictions. It can
	1037	# be used in projects which are not available under the GNU Public License.
	1038
	1039	# serial 1
	1040
	1041
	1042	AC_DEFUN([AM_SI_USER],
	1043	[if test $ac_cv_header_signal_h = yes; then
	1044	AC_CACHE_CHECK([for SI_USER in signal.h], am_cv_val_SI_USER,
	1045	[AC_TRY_LINK([#include <signal.h>], [return SI_USER],
	1046	am_cv_val_SI_USER=yes, am_cv_val_SI_USER=no)])
	1047	if test $am_cv_val_SI_USER = yes; then
	1048	AC_DEFINE([HAVE_SI_USER], 1, [Define if you have SI_USER])
	1049	fi
	1050	fi])
	1051
	1052	# Check whether SA_SIGINFO is available in <signal.h>.
	1053	# Rainer Wichmann <support@la-samhna.de>, 2003.
	1054	#
	1055	# This file can be copied and used freely without restrictions. It can
	1056	# be used in projects which are not available under the GNU Public License.
	1057
	1058	# serial 1
	1059
	1060
	1061	AC_DEFUN([AM_SA_SIGINFO],
	1062	[if test $ac_cv_header_signal_h = yes; then
	1063	AC_CACHE_CHECK([for SA_SIGINFO in signal.h], am_cv_val_SA_SIGINFO,
	1064	[AC_TRY_LINK([#include <signal.h>], [return SA_SIGINFO],
	1065	am_cv_val_SA_SIGINFO=yes, am_cv_val_SA_SIGINFO=no)])
	1066	if test $am_cv_val_SA_SIGINFO = yes; then
	1067	AC_DEFINE([HAVE_SA_SIGINFO], 1, [Define if you have SA_SIGINFO])
	1068	fi
	1069	fi])
	1070
	1071	dnl
	1072	dnl Useful macros for autoconf to check for ssp-patched gcc
	1073	dnl 1.0 - September 2003 - Tiago Sousa <mirage@kaotik.org>
[120]	1074	dnl 1.1 - August 2006 - Ted Percival <ted@midg3t.net>
	1075	dnl * Stricter language checking (C or C++)
	1076	dnl * Adds GCC_STACK_PROTECT_LIB to add -lssp to LDFLAGS as necessary
	1077	dnl * Caches all results
	1078	dnl * Uses macros to ensure correct ouput in quiet/silent mode
	1079	dnl 1.2 - April 2007 - Ted Percival <ted@midg3t.net>
	1080	dnl * Added GCC_STACK_PROTECTOR macro for simpler (one-line) invocation
	1081	dnl * GCC_STACK_PROTECT_LIB now adds -lssp to LIBS rather than LDFLAGS
[1]	1082	dnl
	1083	dnl About ssp:
	1084	dnl GCC extension for protecting applications from stack-smashing attacks
	1085	dnl http://www.research.ibm.com/trl/projects/security/ssp/
	1086	dnl
	1087	dnl Usage:
[120]	1088	dnl Most people will simply call GCC_STACK_PROTECTOR.
	1089	dnl If you only use one of C or C++, you can save time by only calling the
	1090	dnl macro appropriate for that language. In that case you should also call
	1091	dnl GCC_STACK_PROTECT_LIB first.
[1]	1092	dnl
[120]	1093	dnl GCC_STACK_PROTECTOR
	1094	dnl Tries to turn on stack protection for C and C++ by calling the following
	1095	dnl three macros with the right languages.
	1096	dnl
[1]	1097	dnl GCC_STACK_PROTECT_CC
	1098	dnl checks -fstack-protector with the C compiler, if it exists then updates
	1099	dnl CFLAGS and defines ENABLE_SSP_CC
	1100	dnl
[120]	1101	dnl GCC_STACK_PROTECT_CXX
	1102	dnl checks -fstack-protector with the C++ compiler, if it exists then updates
	1103	dnl CXXFLAGS and defines ENABLE_SSP_CXX
	1104	dnl
	1105	dnl GCC_STACK_PROTECT_LIB
	1106	dnl adds -lssp to LIBS if it is available
	1107	dnl ssp is usually provided as part of libc, but was previously a separate lib
	1108	dnl It does not hurt to add -lssp even if libc provides SSP - in that case
	1109	dnl libssp will simply be ignored.
	1110	dnl
	1111
	1112	AC_DEFUN([GCC_STACK_PROTECT_LIB],[
	1113	AC_CACHE_CHECK([whether libssp exists], ssp_cv_lib,
	1114	[ssp_old_libs="$LIBS"
	1115	LIBS="$LIBS -lssp"
	1116	AC_TRY_LINK(,, ssp_cv_lib=yes, ssp_cv_lib=no)
	1117	LIBS="$ssp_old_libs"
	1118	])
	1119	if test $ssp_cv_lib = yes; then
	1120	LIBS="$LIBS -lssp"
	1121	fi
	1122	])
	1123
[1]	1124	AC_DEFUN([GCC_STACK_PROTECT_CC],[
[120]	1125	AC_LANG_ASSERT(C)
	1126	if test "X$CC" != "X"; then
[544]	1127	AC_CACHE_CHECK([whether ${CC} accepts -fstack-protector-strong],
[120]	1128	ssp_cv_cc,
	1129	[ssp_old_cflags="$CFLAGS"
[544]	1130	CFLAGS="$CFLAGS -fstack-protector-strong"
[120]	1131	AC_TRY_COMPILE(,, ssp_cv_cc=yes, ssp_cv_cc=no)
	1132	CFLAGS="$ssp_old_cflags"
	1133	])
[153]	1134	if test $ssp_cv_cc = no; then
[544]	1135	AC_CACHE_CHECK([whether ${CC} accepts -fstack-protector-all],
[153]	1136	ssp_cv_cc,
	1137	[ssp_old_cflags="$CFLAGS"
[544]	1138	CFLAGS="$CFLAGS -fstack-protector-all"
[153]	1139	AC_TRY_COMPILE(,, ssp_cv_cc=yes, ssp_cv_cc=no)
	1140	CFLAGS="$ssp_old_cflags"
	1141	])
[544]	1142	if test $ssp_cv_cc = no; then
	1143	AC_CACHE_CHECK([whether ${CC} accepts -fstack-protector],
	1144	ssp_cv_cc,
	1145	[ssp_old_cflags="$CFLAGS"
	1146	CFLAGS="$CFLAGS -fstack-protector"
	1147	AC_TRY_COMPILE(,, ssp_cv_cc=yes, ssp_cv_cc=no)
	1148	CFLAGS="$ssp_old_cflags"
	1149	])
	1150	if test $ssp_cv_cc = yes; then
	1151	CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2 -fstack-protector"
	1152	LDFLAGS="$LDFLAGS -fstack-protector"
	1153	AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
	1154	fi
	1155	else
	1156	if test $ssp_cv_cc = yes; then
	1157	CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2 -fstack-protector-all"
	1158	LDFLAGS="$LDFLAGS -fstack-protector-all"
	1159	AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
	1160	fi
[153]	1161	fi
	1162	else
	1163	if test $ssp_cv_cc = yes; then
[544]	1164	CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2 -fstack-protector-strong"
	1165	LDFLAGS="$LDFLAGS -fstack-protector-strong"
[153]	1166	AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
	1167	fi
[1]	1168	fi
	1169	fi
	1170	])
	1171
[120]	1172	AC_DEFUN([GCC_STACK_PROTECT_CXX],[
	1173	AC_LANG_ASSERT(C++)
	1174	if test "X$CXX" != "X"; then
	1175	AC_CACHE_CHECK([whether ${CXX} accepts -fstack-protector],
	1176	ssp_cv_cxx,
	1177	[ssp_old_cxxflags="$CXXFLAGS"
	1178	CXXFLAGS="$CXXFLAGS -fstack-protector"
	1179	AC_TRY_COMPILE(,, ssp_cv_cxx=yes, ssp_cv_cxx=no)
	1180	CXXFLAGS="$ssp_old_cxxflags"
	1181	])
	1182	if test $ssp_cv_cxx = yes; then
	1183	CXXFLAGS="$CXXFLAGS -fstack-protector"
	1184	AC_DEFINE([ENABLE_SSP_CXX], 1, [Define if SSP C++ support is enabled.])
	1185	fi
	1186	fi
	1187	])
	1188
	1189	AC_DEFUN([GCC_STACK_PROTECTOR],[
	1190	GCC_STACK_PROTECT_LIB
	1191
	1192	AC_LANG_PUSH([C])
	1193	GCC_STACK_PROTECT_CC
	1194	AC_LANG_POP([C])
	1195
	1196	AC_LANG_PUSH([C++])
	1197	GCC_STACK_PROTECT_CXX
	1198	AC_LANG_POP([C++])
	1199	])
	1200
	1201
[171]	1202	AC_DEFUN([GCC_PIE_CC],[
	1203	AC_LANG_ASSERT(C)
	1204	if test "X$CC" != "X"; then
	1205	AC_CACHE_CHECK([whether ${CC} accepts -pie -fPIE],
	1206	pie_cv_cc,
	1207	[pie_old_cflags="$CFLAGS"
	1208	CFLAGS="$CFLAGS -pie -fPIE"
	1209	AC_TRY_COMPILE(,, pie_cv_cc=yes, pie_cv_cc=no)
	1210	CFLAGS="$pie_old_cflags"
	1211	])
	1212	if test $pie_cv_cc = yes; then
[290]	1213	case "$host_os" in
	1214	cygwin)
	1215	;;
	1216	*)
[171]	1217	PIE_CFLAGS="-fPIE"
	1218	PIE_LDFLAGS="-pie"
[290]	1219	;;
	1220	esac
[171]	1221	fi
	1222	fi
	1223	])
[120]	1224
[227]	1225	AC_DEFUN([GCC_STACK_CHECK_CC],[
	1226	AC_LANG_ASSERT(C)
	1227	if test "X$CC" != "X"; then
[544]	1228	AC_CACHE_CHECK([whether ${CC} accepts -fstack-clash-protection],
[227]	1229	stackcheck_cv_cc,
	1230	[stackcheck_old_cflags="$CFLAGS"
[544]	1231	CFLAGS="$CFLAGS -fstack-clash-protection"
[227]	1232	AC_TRY_COMPILE(,, stackcheck_cv_cc=yes, stackcheck_cv_cc=no)
	1233	CFLAGS="$stackcheck_old_cflags"
	1234	])
	1235	if test $stackcheck_cv_cc = yes; then
[544]	1236	CFLAGS="$CFLAGS -fstack-clash-protection"
[227]	1237	fi
	1238	fi
	1239	])
	1240
[474]	1241	AC_DEFUN([GCC_FLAG_CHECK],[
	1242	AC_LANG_ASSERT(C)
	1243	if test "X$CC" != "X"; then
	1244	AC_MSG_CHECKING([whether ${CC} accepts $1])
	1245	saved_cflags="$CFLAGS"
	1246	CFLAGS="$CFLAGS -Werror $1"
	1247	AC_TRY_COMPILE(,, flag_check_cv=yes, flag_check_cv=no)
	1248	CFLAGS="$saved_cflags"
	1249
	1250	if test $flag_check_cv = yes; then
	1251	CFLAGS="$CFLAGS $1"
	1252	AC_MSG_RESULT([yes])
	1253	else
	1254	AC_MSG_RESULT([no])
	1255	fi
	1256	fi
	1257	])
	1258
[1]	1259	AC_DEFUN([SAMHAIN_POSIX],[
	1260	AC_MSG_CHECKING([whether _POSIX_SOURCE is necessary])
	1261	AC_TRY_COMPILE([#include <stdio.h>
	1262	void fileno(int);int fdopen(int, char *); ],,
	1263	[
	1264	AC_MSG_RESULT(yes)
	1265	AC_DEFINE([_POSIX_SOURCE],1,[Define if POSIX functions are required])
	1266	],
	1267	[AC_MSG_RESULT(no)])
	1268	])dnl
	1269
[18]	1270	dnl checks for a known 64 bit programming environment
	1271	dnl AC_RUN_IFELSE(PROGRAM,
	1272	dnl [ACTION-IF-TRUE], [ACTION-IF-FALSE],
	1273	dnl [ACTION-IF-CROSS-COMPILING = RUNTIME-ERROR])
	1274	dnl
	1275	AC_DEFUN([SAMHAIN_PRG_ENV],[
	1276	AC_MSG_CHECKING([for a known 64 bit programming environment])
	1277	# Compile and run a program that determines the programming environment
	1278	AC_RUN_IFELSE([
	1279	AC_LANG_SOURCE([[
	1280	#include <stdio.h>
	1281	int main(int argc,char **argv)
	1282	{
	1283	if (argc > 1) {
	1284	#if defined(__arch64__)
	1285	printf("__arch64__\n");
	1286	#elif defined(__ia64__)
	1287	printf("__ia64__\n");
	1288	#elif defined(__x86_64__)
	1289	printf("__x86_64__\n");
	1290	#elif defined(__LP64__)
	1291	printf("__LP64__\n");
	1292	#elif defined(__64BIT__)
	1293	printf("__64BIT__\n");
	1294	#elif defined(_LP64)
	1295	printf("_LP64\n");
	1296	#elif defined(_M_IA64)
	1297	printf("_M_IA64\n");
	1298	#elif defined(_MIPS_SZLONG) && (_MIPS_SZLONG == 64)
	1299	printf("_MIPS_64\n");
	1300	#else
	1301	choke me
	1302	#endif
	1303	}
	1304	return 0;
	1305	}
	1306	]])
	1307	],[
	1308	# Program compiled and ran, so get version by adding argument.
	1309	samhain_prg_ENV=`./conftest$ac_exeext x`
	1310	samhain_64=yes
	1311	AC_MSG_RESULT([$samhain_prg_ENV])
	1312	],[
	1313	AC_MSG_RESULT([none])
	1314	],[
	1315	AC_MSG_RESULT([none])
	1316	])
	1317	])dnl
	1318
	1319	AC_DEFUN([SAMHAIN_X86_64],[
	1320	AC_MSG_CHECKING([for x86_64])
	1321	AC_TRY_RUN([
	1322	int main() {
	1323	__asm__ volatile (
	1324	"movq %rax, %rax"
	1325	);
	1326	return 0;
	1327	}
	1328	],
	1329	[
	1330	AC_MSG_RESULT(yes)
	1331	samhain_64=yes
	1332	tiger_src=sh_tiger1_64.c
[441]	1333	samhain_64_asm=yes
[18]	1334	],
	1335	[
	1336	AC_MSG_RESULT([no])
	1337	],[
	1338	AC_MSG_RESULT([no])
	1339	])
	1340	])dnl
	1341
	1342
	1343	AC_DEFUN([SAMHAIN_64],[
	1344	samhain_64=no
	1345	tiger_src=sh_tiger1.c
[441]	1346	samhain_64_asm=no
[18]	1347	#
	1348	# if sizeof(unsigned long) = 4, try compiler macros for 64bit
	1349	#
	1350	if test "x$ac_cv_sizeof_unsigned_long" = x4; then
	1351	if test "x$ac_cv_sizeof_unsigned_long_long" = x8; then
	1352	SAMHAIN_PRG_ENV
	1353	if test "x$samhain_64" = xyes; then
	1354	tiger_src=sh_tiger1_64.c
	1355	fi
	1356	#
	1357	# if GCC and __i386__, use precompiled assembler
	1358	#
	1359	if test "x$GCC" = xyes; then
[61]	1360	AC_MSG_CHECKING([for non-apple non-cygwin i386])
[18]	1361	samhain_i386=no
[47]	1362	$CC -E -dM - < /dev/null \| egrep '__i386__' >/dev/null 2>&1
	1363	if test $? = 0; then
[378]	1364	case "$host_os" in
	1365	linux)
	1366	# apples gcc does not understand the assembly we provide
	1367	$CC -E -dM - < /dev/null \| egrep '(__sun__\|__APPLE__\|__CYGWIN__)' >/dev/null 2>&1 \|\| samhain_i386=yes
	1368	;;
	1369	*)
	1370	;;
	1371	esac
[47]	1372	fi
[201]	1373	AC_MSG_RESULT([$samhain_i386])
[18]	1374	if test "x$samhain_i386" = xyes; then
[201]	1375	GCC_PIE_CC
	1376	if test $pie_cv_cc = yes; then
	1377	tiger_src=sh_tiger1.s
	1378	AC_DEFINE([TIGER_32_BIT_S],1,[Define to use tiger 32 bit i386 assembler])
	1379	fi
[18]	1380	fi
	1381	fi
	1382	#
	1383	#
	1384	#
	1385	else
	1386	samhain_64=no
	1387	tiger_src=sh_tiger1.c
	1388	fi
	1389	else
	1390	#
	1391	# sizeof(unsigned long) = 8
	1392	#
	1393	tiger_src=sh_tiger1_64.c
	1394	samhain_64=yes
	1395	#
	1396	# check for x86_64 (enables assembly optimizations)
	1397	#
	1398	if test "x$GCC" = xyes; then
[474]	1399	$CC -E -dM - < /dev/null \| egrep '__clang__' >/dev/null 2>&1
	1400	if ! test $? = 0; then
	1401	case "$host_os" in
	1402	linux)
	1403	SAMHAIN_X86_64
	1404	;;
	1405	bsd)
	1406	SAMHAIN_X86_64
	1407	;;
	1408	*)
	1409	SAMHAIN_X86_64
	1410	;;
	1411	esac
	1412	fi
[18]	1413	fi
	1414	fi
	1415	if test "x$samhain_64" = xyes; then
	1416	AC_DEFINE([TIGER_64_BIT],1,[Define to use tiger 64 bit implementation])
	1417	fi
	1418	AC_MSG_CHECKING([for 64 bit environment])
	1419	AC_MSG_RESULT([$samhain_64])
	1420	AC_MSG_CHECKING([for tiger source to use])
	1421	AC_MSG_RESULT([$tiger_src])
	1422	AC_SUBST(tiger_src)
	1423	])dnl
	1424
[68]	1425	AC_DEFUN([sh_CHECK_POSIX_ACL],
	1426	[
	1427	AC_CHECK_HEADERS(sys/acl.h)
	1428	if test $ac_cv_header_sys_acl_h = yes; then
[18]	1429
[68]	1430	AC_CHECK_LIB([acl], [acl_get_file], sh_lacl=yes, sh_lacl=no)
	1431	if test x"$sh_lacl" = xyes; then
	1432	LIBACL=-lacl
	1433	else
	1434	LIBACL=
	1435	fi
	1436
	1437	OLDLIBS="$LIBS"
	1438	LIBS="$LIBS $LIBACL"
	1439	AC_CHECK_FUNCS([acl_free acl_get_file acl_get_fd],
	1440	[sh_facl=yes],[sh_facl=no])
	1441	LIBS="$OLDLIBS"
[499]	1442	fi
[68]	1443
[499]	1444	if test x"$sh_facl" = xyes; then
	1445	AC_DEFINE(USE_ACL, 1, [Define if you want ACL support.])
[68]	1446	LIBS="$LIBS $LIBACL"
[499]	1447	else
	1448	if test "x$enable_posix_acl" != xcheck; then
	1449	AC_MSG_FAILURE([--enable-posix-acl was given, but test for acl support failed])
	1450	fi
[68]	1451	fi
	1452	])
	1453
	1454	AC_DEFUN([sh_CHECK_XATTR],
	1455	[
	1456	AC_CHECK_HEADERS(attr/xattr.h)
	1457	if test $ac_cv_header_attr_xattr_h = yes; then
	1458
	1459	AC_CHECK_LIB([attr], [getxattr], sh_lattr=yes, sh_lattr=no)
	1460	if test x"$sh_lattr" = xyes; then
	1461	LIBATTR=-lattr
	1462	else
	1463	LIBATTR=
	1464	fi
	1465
	1466	OLDLIBS="$LIBS"
	1467	LIBS="$LIBS $LIBATTR"
	1468	AC_CHECK_FUNCS([getxattr lgetxattr fgetxattr],
	1469	[sh_fattr=yes],[sh_fattr=no])
	1470	LIBS="$OLDLIBS"
[499]	1471	fi
[68]	1472
[499]	1473	if test x"$sh_fattr" = xyes; then
[68]	1474	AC_DEFINE(USE_XATTR, 1, [Define if you want extended attributes support.])
	1475	LIBS="$LIBS $LIBATTR"
[499]	1476	else
	1477	if test "x$enable_selinux" != xcheck; then
	1478	AC_MSG_FAILURE([--enable-selinux was given, but test for selinux support failed])
	1479	fi
[68]	1480	fi
	1481	])
	1482
[1]	1483	dnl Autoconf macros for libprelude
	1484	dnl $id$
	1485
	1486	# Modified for LIBPRELUDE -- Yoann Vandoorselaere
	1487	# Modified for LIBGNUTLS -- nmav
	1488	# Configure paths for LIBGCRYPT
	1489	# Shamelessly stolen from the one of XDELTA by Owen Taylor
	1490	# Werner Koch 99-12-09
	1491
	1492	dnl AM_PATH_LIBPRELUDE([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
	1493	dnl Test for libprelude, and define LIBPRELUDE_PREFIX, LIBPRELUDE_CFLAGS, LIBPRELUDE_PTHREAD_CFLAGS,
	1494	dnl LIBPRELUDE_LDFLAGS, and LIBPRELUDE_LIBS
	1495	dnl
	1496	AC_DEFUN([AM_PATH_LIBPRELUDE],
	1497	[dnl
	1498	dnl Get the cflags and libraries from the libprelude-config script
	1499	dnl
	1500	dnl AC_ARG_WITH(libprelude-prefix,
	1501	dnl [ --with-libprelude-prefix=PFX Prefix where libprelude is installed (optional)],
	1502	dnl libprelude_config_prefix="$withval", libprelude_config_prefix="")
	1503	dnl
	1504	dnl if test x$libprelude_config_prefix != x ; then
	1505	dnl if test x${LIBPRELUDE_CONFIG+set} != xset ; then
	1506	dnl LIBPRELUDE_CONFIG=$libprelude_config_prefix/bin/libprelude-config
	1507	dnl fi
	1508	dnl fi
	1509	dnl
	1510	dnl AC_PATH_PROG(LIBPRELUDE_CONFIG, libprelude-config, no)
	1511	min_libprelude_version=ifelse([$1], ,0.1.0,$1)
	1512	AC_MSG_CHECKING(for libprelude - version >= $min_libprelude_version)
	1513	no_libprelude=""
	1514	if test "$LIBPRELUDE_CONFIG" = "no" ; then
	1515	no_libprelude=yes
	1516	else
	1517	LIBPRELUDE_CFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --cflags`
	1518	LIBPRELUDE_PTHREAD_CFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --pthread-cflags`
	1519	LIBPRELUDE_LDFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --ldflags`
	1520	LIBPRELUDE_LIBS=`$LIBPRELUDE_CONFIG $libprelude_config_args --libs`
	1521	LIBPRELUDE_PREFIX=`$LIBPRELUDE_CONFIG $libprelude_config_args --prefix`
	1522	LIBPRELUDE_CONFIG_PREFIX=`$LIBPRELUDE_CONFIG $libprelude_config_args --config-prefix`
	1523	libprelude_config_version=`$LIBPRELUDE_CONFIG $libprelude_config_args --version`
	1524
	1525
	1526	ac_save_CFLAGS="$CFLAGS"
	1527	ac_save_LDFLAGS="$LDFLAGS"
	1528	ac_save_LIBS="$LIBS"
	1529	CFLAGS="$CFLAGS $LIBPRELUDE_CFLAGS"
	1530	LDFLAGS="$LDFLAGS $LIBPRELUDE_LDFLAGS"
	1531	LIBS="$LIBS $LIBPRELUDE_LIBS"
	1532	dnl
	1533	dnl Now check if the installed libprelude is sufficiently new. Also sanity
	1534	dnl checks the results of libprelude-config to some extent
	1535	dnl
	1536	rm -f conf.libpreludetest
	1537	AC_TRY_RUN([
	1538	#include <stdio.h>
	1539	#include <stdlib.h>
	1540	#include <string.h>
	1541	#include <libprelude/prelude.h>
	1542
	1543	int
	1544	main ()
	1545	{
	1546	system ("touch conf.libpreludetest");
	1547
	1548	if( strcmp( prelude_check_version(NULL), "$libprelude_config_version" ) )
	1549	{
	1550	printf("\n*** 'libprelude-config --version' returned %s, but LIBPRELUDE (%s)\n",
	1551	"$libprelude_config_version", prelude_check_version(NULL) );
	1552	printf("*** was found! If libprelude-config was correct, then it is best\n");
	1553	printf("*** to remove the old version of LIBPRELUDE. You may also be able to fix the error\n");
	1554	printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
	1555	printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
	1556	printf("*** required on your system.\n");
	1557	printf("*** If libprelude-config was wrong, set the environment variable LIBPRELUDE_CONFIG\n");
	1558	printf("*** to point to the correct copy of libprelude-config, and remove the file config.cache\n");
	1559	printf("*** before re-running configure\n");
	1560	}
	1561	else if ( strcmp(prelude_check_version(NULL), LIBPRELUDE_VERSION ) )
	1562	{
	1563	printf("\n*** LIBPRELUDE header file (version %s) does not match\n", LIBPRELUDE_VERSION);
	1564	printf("*** library (version %s)\n", prelude_check_version(NULL) );
	1565	}
	1566	else
	1567	{
	1568	if ( prelude_check_version( "$min_libprelude_version" ) )
	1569	{
	1570	return 0;
	1571	}
	1572	else
	1573	{
	1574	printf("no\n*** An old version of LIBPRELUDE (%s) was found.\n",
	1575	prelude_check_version(NULL) );
	1576	printf("*** You need a version of LIBPRELUDE newer than %s. The latest version of\n",
	1577	"$min_libprelude_version" );
	1578	printf("*** LIBPRELUDE is always available from http://www.prelude-ids.org/download/releases.\n");
	1579	printf("*** \n");
	1580	printf("*** If you have already installed a sufficiently new version, this error\n");
	1581	printf("*** probably means that the wrong copy of the libprelude-config shell script is\n");
	1582	printf("*** being found. The easiest way to fix this is to remove the old version\n");
	1583	printf("*** of LIBPRELUDE, but you can also set the LIBPRELUDE_CONFIG environment to point to the\n");
	1584	printf("*** correct copy of libprelude-config. (In this case, you will have to\n");
	1585	printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
	1586	printf("*** so that the correct libraries are found at run-time))\n");
	1587	}
	1588	}
	1589	return 1;
	1590	}
	1591	],, no_libprelude=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
	1592	CFLAGS="$ac_save_CFLAGS"
	1593	LIBS="$ac_save_LIBS"
	1594	LDFLAGS="$ac_save_LDFLAGS"
	1595	fi
	1596
	1597	if test "x$no_libprelude" = x ; then
	1598	AC_MSG_RESULT(yes)
	1599	ifelse([$2], , :, [$2])
	1600	else
	1601	if test -f conf.libpreludetest ; then
	1602	:
	1603	else
	1604	AC_MSG_RESULT(no)
	1605	fi
	1606	if test "$LIBPRELUDE_CONFIG" = "no" ; then
	1607	echo "*** The libprelude-config script installed by LIBPRELUDE could not be found"
	1608	echo "*** If LIBPRELUDE was installed in PREFIX, make sure PREFIX/bin is in"
	1609	echo "*** your path, or set the LIBPRELUDE_CONFIG environment variable to the"
	1610	echo "*** full path to libprelude-config."
	1611	else
	1612	if test -f conf.libpreludetest ; then
	1613	:
	1614	else
	1615	echo "*** Could not run libprelude test program, checking why..."
	1616	CFLAGS="$CFLAGS $LIBPRELUDE_CFLAGS"
	1617	LDFLAGS="$LDFLAGS $LIBPRELUDE_LDFLAGS"
	1618	LIBS="$LIBS $LIBPRELUDE_LIBS"
	1619	AC_TRY_LINK([
	1620	#include <stdio.h>
	1621	#include <stdlib.h>
	1622	#include <string.h>
	1623	#include <libprelude/prelude.h>
	1624	], [ return !!prelude_check_version(NULL); ],
	1625	[ echo "*** The test program compiled, but did not run. This usually means"
	1626	echo "*** that the run-time linker is not finding LIBPRELUDE or finding the wrong"
	1627	echo "*** version of LIBPRELUDE. If it is not finding LIBPRELUDE, you'll need to set your"
	1628	echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
	1629	echo "*** to the installed location Also, make sure you have run ldconfig if that"
	1630	echo "*** is required on your system"
	1631	echo "***"
	1632	echo "*** If you have an old version installed, it is best to remove it, although"
	1633	echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
	1634	echo "***" ],
	1635	[ echo "*** The test program failed to compile or link. See the file config.log for the"
	1636	echo "*** exact error that occured. This usually means LIBPRELUDE was incorrectly installed"
	1637	echo "*** or that you have moved LIBPRELUDE since it was installed. In the latter case, you"
	1638	echo "*** may want to edit the libprelude-config script: $LIBPRELUDE_CONFIG" ])
	1639	CFLAGS="$ac_save_CFLAGS"
	1640	LDFLAGS="$ac_save_LDFLAGS"
	1641	LIBS="$ac_save_LIBS"
	1642	fi
	1643	fi
	1644	LIBPRELUDE_CFLAGS=""
	1645	LIBPRELUDE_LDFLAGS=""
	1646	LIBPRELUDE_LIBS=""
	1647	ifelse([$3], , :, [$3])
	1648	fi
	1649	rm -f conf.libpreludetest
	1650	AC_SUBST(LIBPRELUDE_CFLAGS)
	1651	AC_SUBST(LIBPRELUDE_PTHREAD_CFLAGS)
	1652	AC_SUBST(LIBPRELUDE_LDFLAGS)
	1653	AC_SUBST(LIBPRELUDE_LIBS)
	1654	AC_SUBST(LIBPRELUDE_PREFIX)
	1655	AC_SUBST(LIBPRELUDE_CONFIG_PREFIX)
	1656	])
	1657
[129]	1658
	1659	##### http://autoconf-archive.cryp.to/acx_pthread.html
	1660	#
	1661	# SYNOPSIS
	1662	#
	1663	# ACX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
	1664	#
	1665	# DESCRIPTION
	1666	#
	1667	# This macro figures out how to build C programs using POSIX threads.
	1668	# It sets the PTHREAD_LIBS output variable to the threads library and
	1669	# linker flags, and the PTHREAD_CFLAGS output variable to any special
	1670	# C compiler flags that are needed. (The user can also force certain
	1671	# compiler flags/libs to be tested by setting these environment
	1672	# variables.)
	1673	#
	1674	# Also sets PTHREAD_CC to any special C compiler that is needed for
	1675	# multi-threaded programs (defaults to the value of CC otherwise).
	1676	# (This is necessary on AIX to use the special cc_r compiler alias.)
	1677	#
	1678	# NOTE: You are assumed to not only compile your program with these
	1679	# flags, but also link it with them as well. e.g. you should link
	1680	# with $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS
	1681	# $LIBS
	1682	#
	1683	# If you are only building threads programs, you may wish to use
	1684	# these variables in your default LIBS, CFLAGS, and CC:
	1685	#
	1686	# LIBS="$PTHREAD_LIBS $LIBS"
	1687	# CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
	1688	# CC="$PTHREAD_CC"
	1689	#
	1690	# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute
	1691	# constant has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to
	1692	# that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
	1693	#
	1694	# ACTION-IF-FOUND is a list of shell commands to run if a threads
	1695	# library is found, and ACTION-IF-NOT-FOUND is a list of commands to
	1696	# run it if it is not found. If ACTION-IF-FOUND is not specified, the
	1697	# default action will define HAVE_PTHREAD.
	1698	#
	1699	# Please let the authors know if this macro fails on any platform, or
	1700	# if you have any other suggestions or comments. This macro was based
	1701	# on work by SGJ on autoconf scripts for FFTW (http://www.fftw.org/)
	1702	# (with help from M. Frigo), as well as ac_pthread and hb_pthread
	1703	# macros posted by Alejandro Forero Cuervo to the autoconf macro
	1704	# repository. We are also grateful for the helpful feedback of
	1705	# numerous users.
	1706	#
	1707	# LAST MODIFICATION
	1708	#
	1709	# 2007-07-29
	1710	#
	1711	# COPYLEFT
	1712	#
	1713	# Copyright (c) 2007 Steven G. Johnson <stevenj@alum.mit.edu>
	1714	#
	1715	# This program is free software: you can redistribute it and/or
	1716	# modify it under the terms of the GNU General Public License as
	1717	# published by the Free Software Foundation, either version 3 of the
	1718	# License, or (at your option) any later version.
	1719	#
	1720	# This program is distributed in the hope that it will be useful, but
	1721	# WITHOUT ANY WARRANTY; without even the implied warranty of
	1722	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	1723	# General Public License for more details.
	1724	#
	1725	# You should have received a copy of the GNU General Public License
	1726	# along with this program. If not, see
	1727	# <http://www.gnu.org/licenses/>.
	1728	#
	1729	# As a special exception, the respective Autoconf Macro's copyright
	1730	# owner gives unlimited permission to copy, distribute and modify the
	1731	# configure scripts that are the output of Autoconf when processing
	1732	# the Macro. You need not follow the terms of the GNU General Public
	1733	# License when using or distributing such scripts, even though
	1734	# portions of the text of the Macro appear in them. The GNU General
	1735	# Public License (GPL) does govern all other use of the material that
	1736	# constitutes the Autoconf Macro.
	1737	#
	1738	# This special exception to the GPL applies to versions of the
	1739	# Autoconf Macro released by the Autoconf Macro Archive. When you
	1740	# make and distribute a modified version of the Autoconf Macro, you
	1741	# may extend this special exception to the GPL to apply to your
	1742	# modified version as well.
	1743
	1744	AC_DEFUN([ACX_PTHREAD], [
	1745	AC_REQUIRE([AC_CANONICAL_HOST])
	1746	AC_LANG_SAVE
	1747	AC_LANG_C
	1748	acx_pthread_ok=no
	1749
	1750	# We used to check for pthread.h first, but this fails if pthread.h
	1751	# requires special compiler flags (e.g. on True64 or Sequent).
	1752	# It gets checked for in the link test anyway.
	1753
	1754	# First of all, check if the user has set any of the PTHREAD_LIBS,
	1755	# etcetera environment variables, and if threads linking works using
	1756	# them:
	1757	if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
	1758	save_CFLAGS="$CFLAGS"
	1759	CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
	1760	save_LIBS="$LIBS"
	1761	LIBS="$PTHREAD_LIBS $LIBS"
	1762	AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
	1763	AC_TRY_LINK_FUNC(pthread_join, acx_pthread_ok=yes)
	1764	AC_MSG_RESULT($acx_pthread_ok)
	1765	if test x"$acx_pthread_ok" = xno; then
	1766	PTHREAD_LIBS=""
	1767	PTHREAD_CFLAGS=""
	1768	fi
	1769	LIBS="$save_LIBS"
	1770	CFLAGS="$save_CFLAGS"
	1771	fi
	1772
	1773	# We must check for the threads library under a number of different
	1774	# names; the ordering is very important because some systems
	1775	# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
	1776	# libraries is broken (non-POSIX).
	1777
	1778	# Create a list of thread flags to try. Items starting with a "-" are
	1779	# C compiler flags, and other items are library names, except for "none"
	1780	# which indicates that we try without any flags at all, and "pthread-config"
	1781	# which is a program returning the flags for the Pth emulation library.
	1782
	1783	acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
	1784
	1785	# The ordering is (sometimes) important. Some notes on the
	1786	# individual items follow:
	1787
	1788	# pthreads: AIX (must check this before -lpthread)
	1789	# none: in case threads are in libc; should be tried before -Kthread and
	1790	# other compiler flags to prevent continual compiler warnings
	1791	# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
	1792	# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
	1793	# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
	1794	# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
	1795	# -pthreads: Solaris/gcc
	1796	# -mthreads: Mingw32/gcc, Lynx/gcc
	1797	# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
	1798	# doesn't hurt to check since this sometimes defines pthreads too;
	1799	# also defines -D_REENTRANT)
	1800	# ... -mt is also the pthreads flag for HP/aCC
	1801	# pthread: Linux, etcetera
	1802	# --thread-safe: KAI C++
	1803	# pthread-config: use pthread-config program (for GNU Pth library)
	1804
	1805	case "${host_cpu}-${host_os}" in
	1806	solaris)
	1807
	1808	# On Solaris (at least, for some versions), libc contains stubbed
	1809	# (non-functional) versions of the pthreads routines, so link-based
	1810	# tests will erroneously succeed. (We need to link with -pthreads/-mt/
	1811	# -lpthread.) (The stubs are missing pthread_cleanup_push, or rather
	1812	# a function called by this macro, so we could check for that, but
	1813	# who knows whether they'll stub that too in a future libc.) So,
	1814	# we'll just look for -pthreads and -lpthread first:
	1815
	1816	acx_pthread_flags="-pthreads pthread -mt -pthread $acx_pthread_flags"
	1817	;;
	1818	esac
	1819
	1820	if test x"$acx_pthread_ok" = xno; then
	1821	for flag in $acx_pthread_flags; do
	1822
	1823	case $flag in
	1824	none)
	1825	AC_MSG_CHECKING([whether pthreads work without any flags])
	1826	;;
	1827
[138]	1828	-pthread)
	1829	AC_MSG_CHECKING([whether pthreads work with $flag])
	1830	PTHREAD_CFLAGS="$flag"
	1831	;;
	1832
[129]	1833	-*)
	1834	AC_MSG_CHECKING([whether pthreads work with $flag])
	1835	PTHREAD_CFLAGS="$flag"
	1836	;;
	1837
	1838	pthread-config)
	1839	AC_CHECK_PROG(acx_pthread_config, pthread-config, yes, no)
	1840	if test x"$acx_pthread_config" = xno; then continue; fi
	1841	PTHREAD_CFLAGS="`pthread-config --cflags`"
	1842	PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
	1843	;;
	1844
	1845	*)
	1846	AC_MSG_CHECKING([for the pthreads library -l$flag])
	1847	PTHREAD_LIBS="-l$flag"
	1848	;;
	1849	esac
	1850
	1851	save_LIBS="$LIBS"
	1852	save_CFLAGS="$CFLAGS"
[138]	1853	save_LDFLAGS="$LDFLAGS"
[129]	1854	LIBS="$PTHREAD_LIBS $LIBS"
	1855	CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
[153]	1856	LDFLAGS="$LDFLAGS $PTHREAD_CFLAGS"
[129]	1857
	1858	# Check for various functions. We must include pthread.h,
	1859	# since some functions may be macros. (On the Sequent, we
	1860	# need a special flag -Kthread to make this header compile.)
	1861	# We check for pthread_join because it is in -lpthread on IRIX
	1862	# while pthread_create is in libc. We check for pthread_attr_init
	1863	# due to DEC craziness with -lpthreads. We check for
	1864	# pthread_cleanup_push because it is one of the few pthread
	1865	# functions on Solaris that doesn't have a non-functional libc stub.
	1866	# We try pthread_create on general principles.
	1867	AC_TRY_LINK([#include <pthread.h>],
	1868	[pthread_t th; pthread_join(th, 0);
	1869	pthread_attr_init(0); pthread_cleanup_push(0, 0);
	1870	pthread_create(0,0,0,0); pthread_cleanup_pop(0); ],
	1871	[acx_pthread_ok=yes])
	1872
	1873	LIBS="$save_LIBS"
[138]	1874	LDFLAGS="$save_LDFLAGS"
[129]	1875	CFLAGS="$save_CFLAGS"
	1876
	1877	AC_MSG_RESULT($acx_pthread_ok)
	1878	if test "x$acx_pthread_ok" = xyes; then
	1879	break;
	1880	fi
	1881
	1882	PTHREAD_LIBS=""
	1883	PTHREAD_CFLAGS=""
	1884	done
	1885	fi
	1886
	1887	# Various other checks:
	1888	if test "x$acx_pthread_ok" = xyes; then
	1889	save_LIBS="$LIBS"
	1890	LIBS="$PTHREAD_LIBS $LIBS"
	1891	save_CFLAGS="$CFLAGS"
	1892	CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
	1893
	1894	# Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
	1895	AC_MSG_CHECKING([for joinable pthread attribute])
	1896	attr_name=unknown
	1897	for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
	1898	AC_TRY_LINK([#include <pthread.h>], [int attr=$attr; return attr;],
	1899	[attr_name=$attr; break])
	1900	done
	1901	AC_MSG_RESULT($attr_name)
	1902	if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
	1903	AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name,
	1904	[Define to necessary symbol if this constant
	1905	uses a non-standard name on your system.])
	1906	fi
	1907
[144]	1908	# Solaris lossage: default is obsolete semantics for getpwnam_r,
	1909	# getpwuid_r, getgrgid_r, unless _POSIX_PTHREAD_SEMANTICS is defined
[129]	1910	AC_MSG_CHECKING([if more special flags are required for pthreads])
	1911	flag=no
	1912	case "${host_cpu}-${host_os}" in
	1913	-aix \| -freebsd \| -darwin) flag="-D_THREAD_SAFE";;
[144]	1914	-osf \| -hpux) flag="-D_REENTRANT";;
	1915	solaris) flag="-D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT";;
[129]	1916	esac
	1917	AC_MSG_RESULT(${flag})
	1918	if test "x$flag" != xno; then
	1919	PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
	1920	fi
	1921
[139]	1922	# Detect PTHREAD_MUTEX_RECURSIVE
	1923	AC_MSG_CHECKING([for recursive mutexes])
	1924	mutex_recursive=no
	1925	AC_TRY_LINK([
	1926	#define _XOPEN_SOURCE 500
	1927	#include <pthread.h>], [
	1928	pthread_mutexattr_t mta;
	1929	pthread_mutexattr_settype(&mta, PTHREAD_MUTEX_RECURSIVE);
	1930	return 0;],[mutex_recursive=yes])
	1931	if test "x$mutex_recursive" = "xyes"
	1932	then
	1933	AC_DEFINE(HAVE_PTHREAD_MUTEX_RECURSIVE,1,[Define if you have recursive mutexes.])
	1934	fi
	1935	AC_MSG_RESULT($mutex_recursive)
	1936
[129]	1937	LIBS="$save_LIBS"
	1938	CFLAGS="$save_CFLAGS"
	1939
	1940	# More AIX lossage: must compile with xlc_r or cc_r
	1941	if test x"$GCC" != xyes; then
	1942	AC_CHECK_PROGS(PTHREAD_CC, xlc_r cc_r, ${CC})
	1943	else
	1944	PTHREAD_CC=$CC
	1945	fi
	1946	else
	1947	PTHREAD_CC="$CC"
	1948	fi
	1949
[171]	1950	if test x"$acx_pthread_ok" = xyes; then
	1951	PTHREAD_CFLAGS="${PTHREAD_CFLAGS} -DUSE_MALLOC_LOCK=1"
	1952	fi
	1953
[129]	1954	AC_SUBST(PTHREAD_LIBS)
	1955	AC_SUBST(PTHREAD_CFLAGS)
[138]	1956	AC_SUBST(PTHREAD_LDFLAGS)
[129]	1957	AC_SUBST(PTHREAD_CC)
	1958
	1959	# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
	1960	if test x"$acx_pthread_ok" = xyes; then
	1961	ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1])
	1962	:
	1963	else
	1964	acx_pthread_ok=no
	1965	$2
	1966	fi
	1967	AC_LANG_RESTORE
	1968	])dnl ACX_PTHREAD
	1969
[168]	1970
	1971
	1972
	1973	dnl Copyright Â© 2004 Loic Dachary <loic@senga.org>
	1974	dnl
	1975	dnl This program is free software; you can redistribute it and/or modify
	1976	dnl it under the terms of the GNU General Public License as published by
	1977	dnl the Free Software Foundation; either version 2 of the License, or (at
	1978	dnl your option) any later version.
	1979	dnl
	1980	dnl Use ZLIB_HOME instead of option
	1981
	1982	AC_DEFUN([CHECK_ZLIB],[
	1983
	1984	if test "x${ZLIB_HOME}" = "x"; then
	1985	ZLIB_HOME=/usr/local
	1986	if test ! -f "${ZLIB_HOME}/include/zlib.h"
	1987	then
	1988	ZLIB_HOME=/usr
	1989	fi
	1990	fi
	1991
	1992	zlib_found=no
	1993
	1994	ZLIB_OLD_LDFLAGS=$LDFLAGS
	1995	ZLIB_OLD_CPPFLAGS=$LDFLAGS
	1996	if test "x${ZLIB_HOME}" = "x/usr"; then
	1997	:
	1998	else
	1999	LDFLAGS="$LDFLAGS -L${ZLIB_HOME}/lib"
	2000	CPPFLAGS="$CPPFLAGS -I${ZLIB_HOME}/include"
	2001	fi
	2002	AC_LANG_SAVE
	2003	AC_LANG_C
	2004	AC_CHECK_LIB(z, inflateEnd, [zlib_cv_libz=yes], [zlib_cv_libz=no])
	2005	AC_CHECK_HEADER(zlib.h, [zlib_cv_zlib_h=yes], [zlib_cv_zlib_h=no])
	2006	AC_LANG_RESTORE
	2007	if test "$zlib_cv_libz" = "yes" -a "$zlib_cv_zlib_h" = "yes"
	2008	then
	2009	#
	2010	# If both library and header were found, use them
	2011	#
	2012	AC_CHECK_LIB(z, inflateEnd)
	2013	AC_MSG_CHECKING([zlib in ${ZLIB_HOME}])
	2014	AC_MSG_RESULT(ok)
[171]	2015	AC_CHECK_FUNCS([compressBound])
[168]	2016	zlib_found=yes
	2017	else
	2018	#
	2019	# If either header or library was not found, revert and bomb
	2020	#
	2021	AC_MSG_CHECKING(zlib in ${ZLIB_HOME})
	2022	LDFLAGS="$ZLIB_OLD_LDFLAGS"
	2023	CPPFLAGS="$ZLIB_OLD_CPPFLAGS"
	2024	AC_MSG_RESULT(failed)
[169]	2025	AC_MSG_WARN([zlib not found in ZLIB_HOME, /usr/local, or /usr])
[168]	2026	fi
	2027
	2028	])
	2029
[171]	2030	# SH_PROG_LD
	2031	# ----------
	2032	# find the pathname to the GNU or non-GNU linker
	2033	AC_DEFUN([SH_PROG_LD],
	2034	[
	2035	AC_REQUIRE([AC_PROG_CC])dnl
	2036	AC_REQUIRE([AC_CANONICAL_HOST])dnl
	2037	AC_REQUIRE([AC_CANONICAL_BUILD])dnl
	2038	ac_prog=ld
	2039	if test "$GCC" = yes; then
	2040	# Check if gcc -print-prog-name=ld gives a path.
	2041	AC_MSG_CHECKING([for ld used by $CC])
	2042	case $host in
	2043	--mingw*)
	2044	# gcc leaves a trailing carriage return which upsets mingw
	2045	ac_prog=`($CC -print-prog-name=ld) 2>&5 \| tr -d '\015'` ;;
	2046	*)
	2047	ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
	2048	esac
	2049	case $ac_prog in
	2050	# Accept absolute paths.
	2051	[[\\/]]* \| ?:[[\\/]]*)
	2052	re_direlt='/[[^/]][[^/]]*/\.\./'
	2053	# Canonicalize the pathname of ld
	2054	ac_prog=`echo $ac_prog\| sed 's%\\\\%/%g'`
	2055	while echo $ac_prog \| grep "$re_direlt" > /dev/null 2>&1; do
	2056	ac_prog=`echo $ac_prog\| sed "s%$re_direlt%/%"`
	2057	done
	2058	test -z "$LD" && LD="$ac_prog"
	2059	;;
	2060	"")
	2061	# If it fails, then pretend we aren't using GCC.
	2062	ac_prog=ld
	2063	;;
	2064	*)
	2065	# If it is relative, then search for the first ld in PATH.
	2066	with_gnu_ld=unknown
	2067	;;
	2068	esac
	2069	else
	2070	AC_MSG_CHECKING([for ld])
	2071	fi
	2072	AC_CACHE_VAL(lt_cv_path_LD,
	2073	[if test -z "$LD"; then
	2074	lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
	2075	for ac_dir in $PATH; do
	2076	IFS="$lt_save_ifs"
	2077	test -z "$ac_dir" && ac_dir=.
	2078	if test -f "$ac_dir/$ac_prog" \|\| test -f "$ac_dir/$ac_prog$ac_exeext"; then
	2079	lt_cv_path_LD="$ac_dir/$ac_prog"
	2080	# Check to see if the program is GNU ld. I'd rather use --version,
	2081	# but apparently some variants of GNU ld only accept -v.
	2082	# Break only if it was the GNU/non-GNU ld that we prefer.
	2083	case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
	2084	GNU \| 'with BFD')
	2085	with_gnu_ld=yes
	2086	;;
	2087	*)
	2088	with_gnu_ld=no
	2089	;;
	2090	esac
	2091	fi
	2092	done
	2093	IFS="$lt_save_ifs"
	2094	else
	2095	lt_cv_path_LD="$LD" # Let the user override the test with a path.
	2096	fi])
	2097	LD="$lt_cv_path_LD"
	2098	if test -n "$LD"; then
	2099	AC_MSG_RESULT($LD)
	2100	else
	2101	AC_MSG_RESULT(no)
	2102	fi
	2103	test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
	2104	AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
	2105	[# I'd rather use --version here, but apparently some GNU lds only accept -v.
	2106	case `$LD -v 2>&1 </dev/null` in
	2107	GNU \| 'with BFD')
	2108	lt_cv_prog_gnu_ld=yes
	2109	;;
	2110	*)
	2111	lt_cv_prog_gnu_ld=no
	2112	;;
	2113	esac])
	2114	with_gnu_ld=$lt_cv_prog_gnu_ld
	2115	])# AC_PROG_LD_GNU
[168]	2116
[238]	2117	# SH_STRFTIME_Z
	2118	# -------------
	2119	# check whether strftime supports %z
	2120	AC_DEFUN([SH_STRFTIME_Z],
	2121	[
	2122	AC_MSG_CHECKING([whether strftime supports %z])
	2123	AC_TRY_RUN([
	2124	#include <time.h>
	2125	#include <string.h>
	2126	int main()
	2127	{
	2128	struct tm tm;
	2129	char tt[64];
	2130	memset(&tm, 0, sizeof(tm));
	2131	strftime(tt, sizeof(tt), "%z", &tm);
	2132
	2133	if (strlen(tt) != 5) return 1;
	2134	return 0;
	2135	}
	2136	],
	2137	[
	2138	AC_MSG_RESULT([yes])
	2139	AC_DEFINE(HAVE_STRFTIME_Z, 1, [strftime supports %z])
	2140	],
	2141	[
	2142	AC_MSG_RESULT([no])
	2143	],[
	2144	AC_MSG_RESULT([no])
	2145	])])
	2146
[440]	2147	AC_DEFUN([SH_GCC_VERSION], [
	2148	GCC_VERSION=""
	2149	gcc_VERSION_MAJOR=0
	2150	gcc_VERSION_MINOR=0
	2151	AC_MSG_CHECKING([for gcc version])
	2152	if test "x$GCC" = "xyes"
	2153	then
	2154	$CC -dumpversion >/dev/null 2>&1
	2155	if test $? -eq 0
	2156	then
	2157	GCC_VERSION=`$CC -dumpversion`
	2158	gcc_VERSION_MAJOR=`echo $GCC_VERSION \| cut -d'.' -f1`
	2159	gcc_VERSION_MINOR=`echo $GCC_VERSION \| cut -d'.' -f2`
	2160	AC_DEFINE_UNQUOTED(GCC_VERSION_MAJOR, [${gcc_VERSION_MAJOR}], [gcc version major])
	2161	AC_DEFINE_UNQUOTED(GCC_VERSION_MINOR, [${gcc_VERSION_MINOR}], [gcc version minor])
	2162	AC_MSG_RESULT([$GCC_VERSION])
	2163	else
	2164	AC_MSG_RESULT([$CC -dumpversion working])
	2165	fi
	2166	else
	2167	AC_MSG_RESULT([compiler is not gcc])
	2168	fi
	2169	])
[238]	2170
	2171
	2172
[1]	2173	dnl -wedit:notab- Please keep this as the last line.
	2174

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