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Revision 26175, 22.0 KB (checked in by jmpp@…, 19 months ago)
Merging landonf's r26135: Autoconf support for objc, foundation, and optionally-enabled -Werror.
Property svn:eol-style set to `native` Property svn:keywords set to `Id`

Line
1	builtin(include,tcl.m4)
2	builtin(include,objc.m4)
3	builtin(include,foundation.m4)
4
5	#------------------------------------------------------------------------
6	# MP_CHECK_FRAMEWORK_COREFOUNDATION --
7	#
8	# Check if CoreFoundation framework is available, define HAVE_FRAMEWORK_COREFOUNDATION if so.
9	#
10	# Arguments:
11	# None.
12	#
13	# Requires:
14	# None.
15	#
16	# Depends:
17	# AC_LANG_PROGRAM
18	#
19	# Results:
20	# Result is cached.
21	#
22	# If CoreFoundation framework is available, defines the following variables:
23	# HAVE_FRAMEWORK_COREFOUNDATION
24	#
25	#------------------------------------------------------------------------
26	AC_DEFUN(MP_CHECK_FRAMEWORK_COREFOUNDATION, [
27	FRAMEWORK_LIBS="-framework CoreFoundation"
28
29	AC_MSG_CHECKING([for CoreFoundation framework])
30
31	AC_CACHE_VAL(mp_cv_have_framework_corefoundation, [
32	ac_save_LIBS="$LIBS"
33	LIBS="$FRAMEWORK_LIBS $LIBS"
34
35	AC_LINK_IFELSE([
36	AC_LANG_PROGRAM([
37	#include <CoreFoundation/CoreFoundation.h>
38	], [
39	CFURLRef url = CFURLCreateWithFileSystemPath(NULL, CFSTR("/testing"), kCFURLPOSIXPathStyle, 1);
40	CFArrayRef bundles = CFBundleCreateBundlesFromDirectory(NULL, url, CFSTR("pkg"));
41	])
42	], [
43	mp_cv_have_framework_corefoundation="yes"
44	], [
45	mp_cv_have_framework_corefoundation="no"
46	]
47	)
48
49	LIBS="$ac_save_LIBS"
50	])
51
52	AC_MSG_RESULT(${mp_cv_have_framework_corefoundation})
53
54	if test x"${mp_cv_have_framework_corefoundation}" = "xyes"; then
55	AC_DEFINE([HAVE_FRAMEWORK_COREFOUNDATION], [], [Define if CoreFoundation framework is available])
56	fi
57
58	AC_SUBST(HAVE_FRAMEWORK_COREFOUNDATION)
59	])
60
61
62	#------------------------------------------------------------------------
63	# MP_CHECK_FUNCTION_CFNOTIFICATIONCENTERGETDARWINNOTIFYCENTER --
64	#
65	# Check if if the routine CFNOTIFICATIONCENTERGETDARWINNOTIFYCENTER
66	# is available in CoreFoundation.
67	#
68	# Arguments:
69	# None.
70	#
71	# Requires:
72	# None.
73	#
74	# Depends:
75	# AC_LANG_PROGRAM
76	#
77	# Results:
78	# Result is cached.
79	#
80	# If function CFNotificationCenterGetDarwinNotifyCenter is in the CoreFoundation framework, defines the following variables:
81	# HAVE_FUNCTION_CFNOTIFICATIONCENTERGETDARWINNOTIFYCENTER
82	#
83	#------------------------------------------------------------------------
84	AC_DEFUN(MP_CHECK_FUNCTION_CFNOTIFICATIONCENTERGETDARWINNOTIFYCENTER, [
85	FRAMEWORK_LIBS="-framework CoreFoundation"
86
87	AC_MSG_CHECKING([for CFNotificationCenterGetDarwinNotifyCenter])
88
89	AC_CACHE_VAL(mp_cv_have_function_cfnotificationcentergetdarwinnotifycenter, [
90	ac_save_LIBS="$LIBS"
91	LIBS="$FRAMEWORK_LIBS $LIBS"
92
93	AC_LINK_IFELSE([
94	AC_LANG_PROGRAM([
95	#include <CoreFoundation/CoreFoundation.h>
96	], [
97	CFNotificationCenterRef ref = CFNotificationCenterGetDarwinNotifyCenter();
98	])
99	], [
100	mp_cv_have_function_cfnotificationcentergetdarwinnotifycenter="yes"
101	], [
102	mp_cv_have_function_cfnotificationcentergetdarwinnotifycenter="no"
103	]
104	)
105
106	LIBS="$ac_save_LIBS"
107	])
108
109	AC_MSG_RESULT(${mp_cv_have_function_cfnotificationcentergetdarwinnotifycenter})
110
111	if test x"${mp_cv_have_function_cfnotificationcentergetdarwinnotifycenter}" = "xyes"; then
112	AC_DEFINE([HAVE_FUNCTION_CFNOTIFICATIONCENTERGETDARWINNOTIFYCENTER], [], [Define if function CFNotificationCenterGetDarwinNotifyCenter in CoreFoundation framework])
113	fi
114
115	AC_SUBST(HAVE_FUNCTION_CFNOTIFICATIONCENTERGETDARWINNOTIFYCENTER)
116	])
117
118
119	#------------------------------------------------------------------------
120	# MP_CHECK_FRAMEWORK_SYSTEMCONFIGURATION --
121	#
122	# Check if SystemConfiguration framework is available, define HAVE_FRAMEWORK_SYSTEMCONFIGURATION if so.
123	#
124	# Arguments:
125	# None.
126	#
127	# Requires:
128	# None.
129	#
130	# Depends:
131	# AC_LANG_PROGRAM
132	#
133	# Results:
134	# Result is cached.
135	#
136	# If SystemConfiguration framework is available, defines the following variables:
137	# HAVE_FRAMEWORK_SYSTEMCONFIGURATION
138	#
139	#------------------------------------------------------------------------
140	AC_DEFUN(MP_CHECK_FRAMEWORK_SYSTEMCONFIGURATION, [
141	FRAMEWORK_LIBS="-framework SystemConfiguration"
142
143	AC_MSG_CHECKING([for SystemConfiguration framework])
144
145	AC_CACHE_VAL(mp_cv_have_framework_systemconfiguration, [
146	ac_save_LIBS="$LIBS"
147	LIBS="$FRAMEWORK_LIBS $LIBS"
148
149	AC_LINK_IFELSE([
150	AC_LANG_PROGRAM([
151	#include <SystemConfiguration/SystemConfiguration.h>
152	], [
153	int err = SCError();
154	SCDynamicStoreRef dsRef = SCDynamicStoreCreate(NULL, NULL, NULL, NULL);
155	])
156	], [
157	mp_cv_have_framework_systemconfiguration="yes"
158	], [
159	mp_cv_have_framework_systemconfiguration="no"
160	]
161	)
162
163	LIBS="$ac_save_LIBS"
164	])
165
166	AC_MSG_RESULT(${mp_cv_have_framework_systemconfiguration})
167
168	if test x"${mp_cv_have_framework_systemconfiguration}" = "xyes"; then
169	AC_DEFINE([HAVE_FRAMEWORK_SYSTEMCONFIGURATION], [], [Define if SystemConfiguration framework is available])
170	fi
171
172	AC_SUBST(HAVE_FRAMEWORK_SYSTEMCONFIGURATION)
173	])
174
175
176	#------------------------------------------------------------------------
177	# MP_CHECK_FRAMEWORK_IOKIT --
178	#
179	# Check if IOKit framework is available, define HAVE_FRAMEWORK_IOKIT if so.
180	#
181	# Arguments:
182	# None.
183	#
184	# Requires:
185	# None.
186	#
187	# Depends:
188	# AC_LANG_PROGRAM
189	#
190	# Results:
191	# Result is cached.
192	#
193	# If IOKit framework is available, defines the following variables:
194	# HAVE_FRAMEWORK_IOKIT
195	#
196	#------------------------------------------------------------------------
197	AC_DEFUN(MP_CHECK_FRAMEWORK_IOKIT, [
198	FRAMEWORK_LIBS="-framework IOKit"
199
200	AC_MSG_CHECKING([for IOKit framework])
201
202	AC_CACHE_VAL(mp_cv_have_framework_iokit, [
203	ac_save_LIBS="$LIBS"
204	LIBS="$FRAMEWORK_LIBS $LIBS"
205
206	AC_LINK_IFELSE([
207	AC_LANG_PROGRAM([
208	#include <IOKit/IOKitLib.h>
209	], [
210	IOCreateReceivePort(0, NULL);
211	IORegisterForSystemPower(0, NULL, NULL, NULL);
212	])
213	], [
214	mp_cv_have_framework_iokit="yes"
215	], [
216	mp_cv_have_framework_iokit="no"
217	]
218	)
219
220	LIBS="$ac_save_LIBS"
221	])
222
223	AC_MSG_RESULT(${mp_cv_have_framework_iokit})
224
225	if test x"${mp_cv_have_framework_iokit}" = "xyes"; then
226	AC_DEFINE([HAVE_FRAMEWORK_IOKIT], [], [Define if IOKit framework is available])
227	fi
228
229	AC_SUBST(HAVE_FRAMEWORK_IOKIT)
230	])
231
232
233	dnl This macro checks if the user specified a ports tree
234	dnl explicitly. If not, search for it
235
236	# MP_PATH_PORTSDIR(DEFAULT_PORTSDIR)
237	#---------------------------------------
238	AC_DEFUN([MP_PATH_PORTSDIR],[
239	dnl For ease of reading, run after gcc has been found/configured
240	AC_REQUIRE([AC_PROG_CC])
241
242	AC_ARG_WITH(ports-dir, [AC_HELP_STRING([--with-ports-dir=DIR], [Specify alternate ports directory])], [ portsdir="$withval" ] )
243
244
245	AC_MSG_CHECKING([for ports tree])
246	if test "x$portsdir" != "x" ; then
247	if test -d "$portsdir" -a -e "$portsdir/PortIndex" ; then
248	:
249	else
250	AC_MSG_ERROR([$portsdir not a valid ports tree])
251	fi
252	else
253	dnl If the user didn't give a path, look for default
254	if test "x$1" != "x" ; then
255	if test -d "$1" -a -e "$1/PortIndex" ; then
256	portsdir=$1
257	fi
258	fi
259	fi
260
261	if test "x$portsdir" != "x" ; then
262	AC_MSG_RESULT($portsdir)
263	PORTSDIR="$portsdir"
264	AC_SUBST(PORTSDIR)
265	else
266	AC_MSG_WARN([No ports tree found])
267	fi
268
269	])
270
271
272	# MP_PATH_MPCONFIGDIR
273	#---------------------------------------
274	AC_DEFUN([MP_PATH_MPCONFIGDIR],[
275	dnl if the user actually specified --prefix, shift
276	dnl mpconfigdir to $prefix/etc/macports
277	dnl AC_REQUIRE([MP_PATH_PORTSDIR])
278
279	AC_MSG_CHECKING([for MacPorts config directory])
280
281	mpconfigdir='${sysconfdir}/macports'
282
283	AC_MSG_RESULT([$mpconfigdir])
284	MPCONFIGDIR="$mpconfigdir"
285	AC_SUBST(MPCONFIGDIR)
286
287	])
288
289	# MP_CHECK_INSTALLUSER
290	#-------------------------------------------------
291	AC_DEFUN([MP_CHECK_INSTALLUSER],[
292	dnl if with user specifies --with-install-user,
293	dnl use it. otherwise default to platform defaults
294	AC_REQUIRE([MP_PATH_MPCONFIGDIR])
295
296	AC_ARG_WITH(install-user, [AC_HELP_STRING([--with-install-user=USER], [Specify user ownership of installed files])], [ DSTUSR=$withval ] )
297
298	AC_MSG_CHECKING([for install user])
299	if test "x$DSTUSR" = "x" ; then
300	DSTUSR=root
301	fi
302
303	AC_MSG_RESULT([$DSTUSR])
304	AC_SUBST(DSTUSR)
305	])
306
307	# MP_CHECK_INSTALLGROUP
308	#-------------------------------------------------
309	AC_DEFUN([MP_CHECK_INSTALLGROUP],[
310	dnl if with user specifies --with-install-group,
311	dnl use it. otherwise default to platform defaults
312	AC_REQUIRE([MP_CHECK_INSTALLUSER])
313
314	AC_ARG_WITH(install-group, [AC_HELP_STRING([--with-install-group=GROUP], [Specify group ownership of installed files])], [ DSTGRP=$withval ] )
315
316	AC_MSG_CHECKING([for install group])
317	if test "x$DSTGRP" = "x" ; then
318
319	case $host_os in
320	darwin*)
321	DSTGRP="admin"
322	;;
323	*)
324	DSTGRP="wheel"
325	;;
326	esac
327	fi
328
329	AC_MSG_RESULT([$DSTGRP])
330	AC_SUBST(DSTGRP)
331	])
332
333	# MP_DIRECTORY_MODE
334	#-------------------------------------------------
335	AC_DEFUN([MP_DIRECTORY_MODE],[
336	dnl if with user specifies --with-directory-mode,
337	dnl use the specified permissions for ${prefix} directories
338	dnl otherwise use 0775
339	AC_REQUIRE([MP_PATH_MPCONFIGDIR])
340
341	AC_ARG_WITH(directory-mode, [AC_HELP_STRING([--with-directory-mode=MODE], [Specify directory mode of installed directories])], [ DSTMODE=$withval ] )
342
343	AC_MSG_CHECKING([what permissions to use for installation directories])
344	if test "x$DSTMODE" = "x" ; then
345	DSTMODE=0775
346	fi
347
348	AC_MSG_RESULT([$DSTMODE])
349	AC_SUBST(DSTMODE)
350	])
351
352	# MP_LIB_MD5
353	#---------------------------------------
354	# Check for an md5 implementation
355	AC_DEFUN([MP_LIB_MD5],[
356
357	# Check for libmd, which is prefered
358	AC_CHECK_LIB([md], [MD5Update],[
359	AC_CHECK_HEADERS([md5.h], ,[
360	case $host_os in
361	darwin*)
362	AC_MSG_NOTICE([Please install the BSD SDK package from the Xcode Developer Tools CD.])
363	;;
364	*)
365	AC_MSG_NOTICE([Please install the libmd developer headers for your platform.])
366	;;
367	esac
368	AC_MSG_ERROR([libmd was found, but md5.h is missing.])
369	])
370	AC_DEFINE([HAVE_LIBMD], ,[Define if you have the `md' library (-lmd).])
371	MD5_LIBS="-lmd"]
372	)
373	if test "x$MD5_LIBS" = "x" ; then
374	# If libmd is not found, check for libcrypto from OpenSSL
375	AC_CHECK_LIB([crypto], [MD5_Update],[
376	AC_CHECK_HEADERS([openssl/md5.h],,[
377	case $host_os in
378	darwin*)
379	AC_MSG_NOTICE([Please install the BSD SDK package from the Xcode Developer Tools CD.])
380	;;
381	*)
382	AC_MSG_NOTICE([Please install the libmd developer headers for your platform.])
383	;;
384	esac
385	AC_MSG_ERROR([libcrypt was found, but header file openssl/md5.h is missing.])
386	])
387	AC_DEFINE([HAVE_LIBCRYPTO],,[Define if you have the `crypto' library (-lcrypto).])
388	MD5_LIBS="-lcrypto"
389	], [
390	AC_MSG_ERROR([Neither OpenSSL or libmd were found. A working md5 implementation is required.])
391	])
392	fi
393	if test "x$MD5_LIBS" = "x"; then
394	AC_MSG_ERROR([Neither OpenSSL or libmd were found. A working md5 implementation is required.])
395	fi
396	AC_SUBST([MD5_LIBS])
397	])
398
399	dnl This macro checks for X11 presence. If the libraries are
400	dnl present, so must the headers be. If nothing is present,
401	dnl print a warning
402
403	# MP_CHECK_X11
404	# ---------------------
405	AC_DEFUN([MP_CHECK_X11], [
406
407	AC_PATH_XTRA
408
409	# Check for libX11
410	AC_CHECK_LIB([X11], [XOpenDisplay],[
411	has_x_runtime=yes
412	], [ has_x_runtime=no ], [-L/usr/X11R6/lib $X_LIBS])
413
414	# echo "------done---------"
415	# echo "x_includes=${x_includes}"
416	# echo "x_libraries=${x_libraries}"
417	# echo "no_x=${no_x}"
418	# echo "X_CFLAGS=${X_CFLAGS}"
419	# echo "X_LIBS=${X_LIBS}"
420	# echo "X_DISPLAY_MISSING=${X_DISPLAY_MISSING}"
421	# echo "has_x_runtime=${has_x_runtime}"
422	# echo "host_os=${host_os}"
423	# echo "------done---------"
424
425	state=
426
427	case "__${has_x_runtime}__${no_x}__" in
428	"__no__yes__")
429	# either the user said --without-x, or it was not found
430	# at all (runtime or headers)
431	AC_MSG_WARN([X11 not available. You will not be able to use ports that use X11])
432	state=0
433	;;
434	"__yes__yes__")
435	state=1
436	;;
437	"__yes____")
438	state=2
439	;;
440	*)
441	state=3
442	;;
443	esac
444
445	case $host_os in
446	darwin*)
447	case $state in
448	1)
449	cat <<EOF;
450	Please install the X11 SDK packages from the
451	Xcode Developer Tools CD
452	EOF
453	AC_MSG_ERROR([Broken X11 install. No X11 headers])
454
455	;;
456	3)
457	cat <<EOF;
458	Unknown configuration problem. Please install the X11 runtime
459	and/or X11 SDK packages from the Xcode Developer Tools CD
460	EOF
461	AC_MSG_ERROR([Broken X11 install])
462	;;
463	esac
464	;;
465	*)
466	case $state in
467	1)
468	cat <<EOF;
469	Please install the X11 developer headers for your platform
470	EOF
471	AC_MSG_ERROR([Broken X11 install. No X11 headers])
472
473	;;
474	3)
475	cat <<EOF;
476	Unknown configuration problem. Please install the X11
477	implementation for your platform
478	EOF
479	AC_MSG_ERROR([Broken X11 install])
480	;;
481	esac
482	;;
483	esac
484
485	])
486
487	# MP_PROG_XAR
488	#---------------------------------------
489	AC_DEFUN([MP_PROG_XAR],[
490
491	AC_PATH_PROG([XAR], [xar], , [/usr/bin:/usr/sbin:/bin:/sbin])
492
493	if test "x$XAR" = "x" ; then
494	AC_CONFIG_SUBDIRS([src/programs/xar])
495	XAR='$(TOPSRCDIR)/src/programs/xar/xar'
496	REPLACEMENT_PROGS="$REPLACEMENT_PROGS xar"
497	fi
498
499	AC_SUBST(XAR)
500	])
501
502	# MP_PROG_DAEMONDO
503	#---------------------------------------
504	AC_DEFUN([MP_PROG_DAEMONDO],[
505	AC_REQUIRE([MP_CHECK_FRAMEWORK_COREFOUNDATION])
506	AC_REQUIRE([MP_CHECK_FRAMEWORK_SYSTEMCONFIGURATION])
507	AC_REQUIRE([MP_CHECK_FRAMEWORK_IOKIT])
508	AC_REQUIRE([MP_CHECK_FUNCTION_CFNOTIFICATIONCENTERGETDARWINNOTIFYCENTER])
509
510	AC_MSG_CHECKING(for whether we will build daemondo)
511	result=no
512	case $host_os in
513	darwin*)
514	if test "x$mp_cv_have_framework_corefoundation" == "xyes" &&
515	test "x$mp_cv_have_framework_systemconfiguration" == "xyes" &&
516	test "x$mp_cv_have_framework_iokit" == "xyes" &&
517	test "x$mp_cv_have_function_cfnotificationcentergetdarwinnotifycenter" == "xyes"; then
518	result=yes
519	EXTRA_PROGS="$EXTRA_PROGS daemondo"
520	AC_CONFIG_FILES([src/programs/daemondo/Makefile])
521	fi
522	;;
523	*)
524	esac
525	AC_MSG_RESULT(${result})
526	])
527
528	#------------------------------------------------------------------------
529	# MP_TCL_PACKAGE_DIR --
530	#
531	# Locate the correct directory for Tcl package installation
532	#
533	# Arguments:
534	# None.
535	#
536	# Requires:
537	# TCLVERSION must be set
538	# CYGPATH must be set
539	# TCLSH must be set
540	#
541	# Results:
542	#
543	# Adds a --with-tclpackage switch to configure.
544	# Result is cached.
545	#
546	# Substs the following vars:
547	# TCL_PACKAGE_DIR
548	#------------------------------------------------------------------------
549
550	AC_DEFUN(MP_TCL_PACKAGE_DIR, [
551	AC_MSG_CHECKING(for Tcl package directory)
552
553	AC_ARG_WITH(tclpackage, [ --with-tclpackage Tcl package installation directory.], with_tclpackagedir=${withval})
554
555	if test x"${with_tclpackagedir}" != x ; then
556	ac_cv_c_tclpkgd=${with_tclpackagedir}
557	else
558	AC_CACHE_VAL(ac_cv_c_tclpkgd, [
559	# Use the value from --with-tclpackage, if it was given
560
561	if test x"${with_tclpackagedir}" != x ; then
562	echo "tclpackagedir"
563	ac_cv_c_tclpkgd=${with_tclpackagedir}
564	else
565	# On darwin we can do some intelligent guessing
566	case $host_os in
567	darwin*)
568	tcl_autopath=`echo 'puts -nonewline \$auto_path' \| $TCLSH`
569	for path in $tcl_autopath; do
570	if test "$path" = "/Library/Tcl"; then
571	ac_cv_c_tclpkgd="$path"
572	break
573	fi
574	if test "$path" = "/System/Library/Tcl"; then
575	if test -d "$path"; then
576	ac_cv_c_tclpkgd="$path"
577	break
578	fi
579	fi
580	done
581	;;
582	esac
583	if test x"${ac_cv_c_tclpkgd}" = x ; then
584	# Fudge a path from the first entry in the auto_path
585	tcl_pkgpath=`echo 'puts -nonewline [[lindex \$auto_path 0]]' \| $TCLSH`
586	if test -d "$tcl_pkgpath"; then
587	ac_cv_c_tclpkgd="$tcl_pkgpath"
588	fi
589	# If the first entry does not exist, do nothing
590	fi
591	fi
592	])
593	fi
594
595	if test x"${ac_cv_c_tclpkgd}" = x ; then
596	AC_MSG_ERROR(Tcl package directory not found. Please specify its location with --with-tclpackage)
597	else
598	AC_MSG_RESULT(${ac_cv_c_tclpkgd})
599	fi
600
601	# Convert to a native path and substitute into the output files.
602
603	PACKAGE_DIR_NATIVE=`${CYGPATH} ${ac_cv_c_tclpkgd}`
604
605	TCL_PACKAGE_DIR=${PACKAGE_DIR_NATIVE}
606
607	AC_SUBST(TCL_PACKAGE_DIR)
608	])
609
610	# MP_PROG_TCLSH
611	#---------------------------------------
612	AC_DEFUN([MP_PROG_TCLSH],[
613
614
615	case $host_os in
616	*)
617	# Otherwise, look for a non-versioned tclsh
618	AC_PATH_PROG([TCLSH], [tclsh tclsh${TCL_VERSION}])
619	;;
620	esac
621	if test "x$TCLSH" = "x" ; then
622	AC_MSG_ERROR([Could not find tclsh])
623	fi
624
625	AC_SUBST(TCLSH)
626	])
627
628	# MP_TCL_PACKAGE
629	# Determine if a Tcl package is present.
630	#
631	# Arguments:
632	# Package name (may include the version)
633	#
634	# Syntax:
635	# MP_TCL_PACKAGE (package, [action-if-found], [action-if-not-found])
636	#
637	# Requires:
638	# TCLSH must be set
639	#
640	# Results:
641	# Execute action-if-found or action-if-not-found
642	#---------------------------------------
643	AC_DEFUN([MP_TCL_PACKAGE],[
644	AC_MSG_CHECKING([for Tcl $1 package])
645	package_present=`echo 'if {[[catch {package require $1}]]} {puts -nonewline 0} else {puts -nonewline 1}' \| $TCLSH`
646	AS_IF([test "$package_present" = "1"], [$2], [$3])[]
647	])
648
649	# MP_TCL_THREAD_SUPPORT
650	# Determine if thread support is available in tclsh.
651	#
652	# Arguments:
653	# None.
654	#
655	# Requires:
656	# TCLSH must be set
657	#
658	# Results:
659	# Fails if thread support isn't available.
660	#---------------------------------------
661	AC_DEFUN([MP_TCL_THREAD_SUPPORT],[
662	AC_MSG_CHECKING([whether tclsh was compiled with threads])
663	tcl_threadenabled=`echo 'puts -nonewline [[info exists tcl_platform(threaded)]]' \| $TCLSH`
664	if test "$tcl_threadenabled" = "1" ; then
665	AC_MSG_RESULT([yes])
666	else
667	AC_MSG_RESULT([no])
668	AC_MSG_ERROR([tcl wasn't compiled with threads enabled])
669	fi
670	])
671
672	# MP_LIBCURL_FLAGS
673	# Sets the flags to compile with libcurl.
674	#
675	# Arguments:
676	# None.
677	#
678	# Requires:
679	# curl-config or user parameters to define the flags.
680	#
681	# Results:
682	# defines some help strings.
683	# sets CFLAGS_LIBCURL and LDFLAGS_LIBCURL
684	#---------------------------------------
685	AC_DEFUN([MP_LIBCURL_FLAGS],[
686	AC_ARG_WITH(curlprefix,
687	[ --with-curlprefix base directory for the cURL install '/usr', '/usr/local',...],
688	[ curlprefix=$withval ])
689
690	if test "x$curlprefix" = "x"; then
691	AC_PATH_PROG([CURL_CONFIG], [curl-config])
692	else
693	AC_PATH_PROG([CURL_CONFIG], [curl-config], , [$curlprefix/bin])
694	fi
695
696	if test "x$CURL_CONFIG" = "x"; then
697	AC_MSG_ERROR([cannot find curl-config. Is libcurl installed?])
698	fi
699
700	CFLAGS_LIBCURL=$($CURL_CONFIG --cflags)
701	# Due to a bug in dist, --arch flags are improperly supplied by curl-config.
702	# Get rid of them.
703	LDFLAGS_LIBCURL=$($CURL_CONFIG --libs \| [sed 's/-arch [A-Za-z0-9]* //g'])
704
705	AC_SUBST(CFLAGS_LIBCURL)
706	AC_SUBST(LDFLAGS_LIBCURL)
707	])
708
709	# MP_LIBCURL_VERSION
710	# Determine the version of libcurl.
711	#
712	# Arguments:
713	# None.
714	#
715	# Requires:
716	# CURL must be set (AC_PATH_PROG(CURL, [curl], []))
717	#
718	# Results:
719	# sets libcurl_version to "0" or some number
720	#---------------------------------------
721	AC_DEFUN([MP_LIBCURL_VERSION],[
722	if test "x$CURL" = "x"; then
723	libcurl_version="0"
724	else
725	AC_MSG_CHECKING([libcurl version])
726	libcurl_version=`$CURL -V \| sed '2,$d' \| awk '{print $ 2}' \| sed -e 's/\.//g' -e 's/-.*//g'`
727	AC_MSG_RESULT([$libcurl_version])
728	fi
729	])
730
731
732	dnl This macro tests if the compiler supports GCC's
733	dnl __attribute__ syntax for unused variables/parameters
734	AC_DEFUN([MP_COMPILER_ATTRIBUTE_UNUSED], [
735	AC_MSG_CHECKING([how to mark unused variables])
736	AC_COMPILE_IFELSE(
737	[AC_LANG_SOURCE([[int a __attribute__ ((unused));]])],
738	[AC_DEFINE(UNUSED, [__attribute__((unused))], [Attribute to mark unused variables])],
739	[AC_DEFINE(UNUSED, [])])
740
741	AC_MSG_RESULT([])
742
743	])
744
745	dnl This macro ensures MP installation prefix bin/sbin paths are NOT in PATH
746	dnl for configure to prevent potential problems when base/ code is updated
747	dnl and ports are installed that would match needed items.
748	AC_DEFUN([MP_PATH_SCAN],[
749	oldprefix=$prefix
750	if test "x$prefix" = "xNONE" ; then
751	prefix=$ac_default_prefix
752	fi
753	oldPATH=$PATH
754	newPATH=
755	as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
756	for as_dir in $oldPATH
757	do
758	IFS=$as_save_IFS
759	if test "x$as_dir" != "x$prefix/bin" &&
760	test "x$as_dir" != "x$prefix/sbin"; then
761	if test -z "$newPATH"; then
762	newPATH=$as_dir
763	else
764	newPATH=$newPATH$PATH_SEPARATOR$as_dir
765	fi
766	fi
767	done
768	PATH=$newPATH; export PATH
769	prefix=$oldprefix
770	])
771
772	dnl This macro tests for tar support of --no-same-owner
773	AC_DEFUN([MP_TAR_NO_SAME_OWNER],[
774	AC_PATH_PROG(TAR, [tar])
775	AC_PATH_PROG(GNUTAR, [gnutar])
776
777	AC_MSG_CHECKING([for which tar variant to use])
778	AS_IF([test -n "$GNUTAR"], [TAR_CMD=$GNUTAR], [TAR_CMD=$TAR])
779	AC_MSG_RESULT([$TAR_CMD])
780	AC_SUBST(TAR_CMD)
781
782	AC_MSG_CHECKING([for $TAR_CMD --no-same-owner support])
783	[no_same_owner_support=`$TAR_CMD --help 2>&1 \| grep no-same-owner`]
784	if test -z "$no_same_owner_support" ; then
785	AC_MSG_RESULT([no])
786	else
787	AC_MSG_RESULT([yes])
788	TAR_CMD="$TAR_CMD --no-same-owner"
789	fi
790	])
791
792	#------------------------------------------------------------------------
793	# MP_CHECK_READLINK_IS_P1003_1A --
794	#
795	# Check if readlink conforms to POSIX 1003.1a standard, define
796	# READLINK_IS_NOT_P1003_1A if it doesn't.
797	#
798	# Arguments:
799	# None.
800	#
801	# Requires:
802	# None.
803	#
804	# Depends:
805	# AC_LANG_PROGRAM
806	#
807	# Results:
808	# Result is cached.
809	#
810	# If readlink doesn't conform to POSIX 1003.1a, defines the following variables:
811	# READLINK_IS_NOT_P1003_1A
812	#
813	#------------------------------------------------------------------------
814	AC_DEFUN(MP_CHECK_READLINK_IS_P1003_1A, [
815	AC_MSG_CHECKING([if readlink conforms to POSIX 1003.1a])
816
817	AC_CACHE_VAL(mp_cv_readlink_is_posix_1003_1a, [
818	AC_COMPILE_IFELSE([
819	AC_LANG_PROGRAM([
820	#include <unistd.h>
821	ssize_t readlink(const char , char , size_t);
822	], [
823	])
824	], [
825	mp_cv_readlink_is_posix_1003_1a="yes"
826	], [
827	mp_cv_readlink_is_posix_1003_1a="no"
828	]
829	)
830	])
831
832	AC_MSG_RESULT(${mp_cv_readlink_is_posix_1003_1a})
833
834	if test x"${mp_cv_readlink_is_posix_1003_1a}" = "xno"; then
835	AC_DEFINE([READLINK_IS_NOT_P1003_1A], [], [Define to 1 if readlink does not conform with POSIX 1003.1a (where third argument is a size_t and return value is a ssize_t)])
836	fi
837
838	AC_SUBST(READLINK_IS_NOT_P1003_1A)
839	])
840
841	#------------------------------------------------------------------------
842	# MP_WERROR --
843	#
844	# Enable -Werror
845	#
846	# Arguments:
847	# None.
848	#
849	# Requires:
850	# none
851	#
852	# Depends:
853	# none
854	#
855	# Results:
856	# Substitutes WERROR_CFLAGS variable
857	#------------------------------------------------------------------------
858	AC_DEFUN([MP_WERROR],[
859	AC_REQUIRE([AC_PROG_CC])
860	AC_ARG_ENABLE(werror, AC_HELP_STRING([--enable-werror], [Add -Werror to CFLAGS. Used for development.]), [enable_werror=${enableval}], [enable_werror=no])
861	if test x"$enable_werror" != "xno"; then
862	CFLAGS_WERROR="-Werror"
863	else
864	CFLAGS_WERROR=""
865	fi
866	AC_SUBST([CFLAGS_WERROR])
867	])

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