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aclocal.m4@ 2772

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Last change on this file since 2772 was 2621, checked in by bird, 20 years ago
GNU ncurses 5.5
File size: 36.8 KB

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1	dnl $Id: aclocal.m4,v 1.8 2005/02/27 00:02:01 tom Exp $
2	dnl ---------------------------------------------------------------------------
3	dnl ---------------------------------------------------------------------------
4	dnl CF_ADD_CFLAGS version: 7 updated: 2004/04/25 17:48:30
5	dnl -------------
6	dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
7	dnl The second parameter if given makes this macro verbose.
8	dnl
9	dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
10	dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
11	dnl confused by the quotes (which require backslashes to keep them usable).
12	AC_DEFUN([CF_ADD_CFLAGS],
13	[
14	cf_fix_cppflags=no
15	cf_new_cflags=
16	cf_new_cppflags=
17	cf_new_extra_cppflags=
18
19	for cf_add_cflags in $1
20	do
21	case $cf_fix_cppflags in
22	no)
23	case $cf_add_cflags in #(vi
24	-undef\|-nostdinc\|-I\|-D\|-U\|-E\|-P\|-C) #(vi
25	case $cf_add_cflags in
26	-D*)
27	cf_tst_cflags=`echo ${cf_add_cflags} \|sed -e 's/^-D[[^=]]='\''\"[[^"]]//'`
28
29	test "${cf_add_cflags}" != "${cf_tst_cflags}" \
30	&& test -z "${cf_tst_cflags}" \
31	&& cf_fix_cppflags=yes
32
33	if test $cf_fix_cppflags = yes ; then
34	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
35	continue
36	elif test "${cf_tst_cflags}" = "\"'" ; then
37	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
38	continue
39	fi
40	;;
41	esac
42	case "$CPPFLAGS" in
43	*$cf_add_cflags) #(vi
44	;;
45	*) #(vi
46	cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
47	;;
48	esac
49	;;
50	*)
51	cf_new_cflags="$cf_new_cflags $cf_add_cflags"
52	;;
53	esac
54	;;
55	yes)
56	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
57
58	cf_tst_cflags=`echo ${cf_add_cflags} \|sed -e 's/^[[^"]]*"'\''//'`
59
60	test "${cf_add_cflags}" != "${cf_tst_cflags}" \
61	&& test -z "${cf_tst_cflags}" \
62	&& cf_fix_cppflags=no
63	;;
64	esac
65	done
66
67	if test -n "$cf_new_cflags" ; then
68	ifelse($2,,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
69	CFLAGS="$CFLAGS $cf_new_cflags"
70	fi
71
72	if test -n "$cf_new_cppflags" ; then
73	ifelse($2,,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
74	CPPFLAGS="$cf_new_cppflags $CPPFLAGS"
75	fi
76
77	if test -n "$cf_new_extra_cppflags" ; then
78	ifelse($2,,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
79	EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
80	fi
81
82	AC_SUBST(EXTRA_CPPFLAGS)
83
84	])dnl
85	dnl ---------------------------------------------------------------------------
86	dnl CF_ADD_INCDIR version: 4 updated: 2002/12/21 14:25:52
87	dnl -------------
88	dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
89	dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
90	dnl but old versions (and some misinstalled ones) need that. To make things
91	dnl worse, gcc 3.x gives error messages if -I/usr/local/include is added to
92	dnl the include-path).
93	AC_DEFUN([CF_ADD_INCDIR],
94	[
95	for cf_add_incdir in $1
96	do
97	while true
98	do
99	case $cf_add_incdir in
100	/usr/include) # (vi
101	;;
102	/usr/local/include) # (vi
103	if test "$GCC" = yes
104	then
105	cf_save_CPPFLAGS="$CPPFLAGS"
106	CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
107	AC_TRY_COMPILE([#include <stdio.h>],
108	[printf("Hello")],
109	[],
110	[CPPFLAGS="$cf_save_CPPFLAGS"])
111	fi
112	;;
113	*) # (vi
114	CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
115	;;
116	esac
117	cf_top_incdir=`echo $cf_add_incdir \| sed -e 's%/include/.*$%/include%'`
118	test "$cf_top_incdir" = "$cf_add_incdir" && break
119	cf_add_incdir="$cf_top_incdir"
120	done
121	done
122	])dnl
123	dnl ---------------------------------------------------------------------------
124	dnl CF_ANSI_CC_CHECK version: 9 updated: 2001/12/30 17:53:34
125	dnl ----------------
126	dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES'
127	dnl in the sharutils 4.2 distribution.
128	AC_DEFUN([CF_ANSI_CC_CHECK],
129	[
130	AC_CACHE_CHECK(for ${CC-cc} option to accept ANSI C, cf_cv_ansi_cc,[
131	cf_cv_ansi_cc=no
132	cf_save_CFLAGS="$CFLAGS"
133	cf_save_CPPFLAGS="$CPPFLAGS"
134	# Don't try gcc -ansi; that turns off useful extensions and
135	# breaks some systems' header files.
136	# AIX -qlanglvl=ansi
137	# Ultrix and OSF/1 -std1
138	# HP-UX -Aa -D_HPUX_SOURCE
139	# SVR4 -Xc
140	# UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes)
141	for cf_arg in "-DCC_HAS_PROTOS" \
142	"" \
143	-qlanglvl=ansi \
144	-std1 \
145	-Ae \
146	"-Aa -D_HPUX_SOURCE" \
147	-Xc
148	do
149	CF_ADD_CFLAGS($cf_arg)
150	AC_TRY_COMPILE(
151	[
152	#ifndef CC_HAS_PROTOS
153	#if !defined(__STDC__) \|\| (__STDC__ != 1)
154	choke me
155	#endif
156	#endif
157	],[
158	int test (int i, double x);
159	struct s1 {int (*f) (int a);};
160	struct s2 {int (*f) (double a);};],
161	[cf_cv_ansi_cc="$cf_arg"; break])
162	done
163	CFLAGS="$cf_save_CFLAGS"
164	CPPFLAGS="$cf_save_CPPFLAGS"
165	])
166
167	if test "$cf_cv_ansi_cc" != "no"; then
168	if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
169	CF_ADD_CFLAGS($cf_cv_ansi_cc)
170	else
171	AC_DEFINE(CC_HAS_PROTOS)
172	fi
173	fi
174	])dnl
175	dnl ---------------------------------------------------------------------------
176	dnl CF_ANSI_CC_REQD version: 3 updated: 1997/09/06 13:40:44
177	dnl ---------------
178	dnl For programs that must use an ANSI compiler, obtain compiler options that
179	dnl will make it recognize prototypes. We'll do preprocessor checks in other
180	dnl macros, since tools such as unproto can fake prototypes, but only part of
181	dnl the preprocessor.
182	AC_DEFUN([CF_ANSI_CC_REQD],
183	[AC_REQUIRE([CF_ANSI_CC_CHECK])
184	if test "$cf_cv_ansi_cc" = "no"; then
185	AC_ERROR(
186	[Your compiler does not appear to recognize prototypes.
187	You have the following choices:
188	a. adjust your compiler options
189	b. get an up-to-date compiler
190	c. use a wrapper such as unproto])
191	fi
192	])dnl
193	dnl ---------------------------------------------------------------------------
194	dnl CF_CHECK_CACHE version: 10 updated: 2004/05/23 13:03:31
195	dnl --------------
196	dnl Check if we're accidentally using a cache from a different machine.
197	dnl Derive the system name, as a check for reusing the autoconf cache.
198	dnl
199	dnl If we've packaged config.guess and config.sub, run that (since it does a
200	dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
201	dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
202	dnl which is useful in cross-compiles.
203	dnl
204	dnl Note: we would use $ac_config_sub, but that is one of the places where
205	dnl autoconf 2.5x broke compatibility with autoconf 2.13
206	AC_DEFUN([CF_CHECK_CACHE],
207	[
208	if test -f $srcdir/config.guess \|\| test -f $ac_aux_dir/config.guess ; then
209	ifelse([$1],,[AC_CANONICAL_HOST],[$1])
210	system_name="$host_os"
211	else
212	system_name="`(uname -s -r) 2>/dev/null`"
213	if test -z "$system_name" ; then
214	system_name="`(hostname) 2>/dev/null`"
215	fi
216	fi
217	test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
218	AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
219
220	test -z "$system_name" && system_name="$cf_cv_system_name"
221	test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
222
223	if test ".$system_name" != ".$cf_cv_system_name" ; then
224	AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
225	AC_ERROR("Please remove config.cache and try again.")
226	fi
227	])dnl
228	dnl ---------------------------------------------------------------------------
229	dnl CF_CURSES_ACS_MAP version: 3 updated: 2003/05/17 22:19:02
230	dnl -----------------
231	dnl Check for likely values of acs_map[]:
232	AC_DEFUN([CF_CURSES_ACS_MAP],
233	[
234	AC_CACHE_CHECK(for alternate character set array, cf_cv_curses_acs_map,[
235	cf_cv_curses_acs_map=unknown
236	for name in acs_map _acs_map __acs_map _nc_acs_map
237	do
238	AC_TRY_LINK([
239	#include <${cf_cv_ncurses_header-curses.h}>
240	],[
241	$name['k'] = ACS_PLUS
242	],[cf_cv_curses_acs_map=$name; break])
243	done
244	])
245
246	test "$cf_cv_curses_acs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_ACS_ARRAY,$cf_cv_curses_acs_map)
247	])
248	dnl ---------------------------------------------------------------------------
249	dnl CF_CURSES_CHECK_TYPE version: 2 updated: 2003/03/01 23:40:33
250	dnl --------------------
251	dnl Check if curses.h defines the given type
252	AC_DEFUN([CF_CURSES_CHECK_TYPE],
253	[
254	AC_MSG_CHECKING(for type $1 in ${cf_cv_ncurses_header-curses.h})
255	AC_TRY_COMPILE([
256	#ifndef _XOPEN_SOURCE_EXTENDED
257	#define _XOPEN_SOURCE_EXTENDED
258	#endif
259	#include <${cf_cv_ncurses_header-curses.h}>],[
260	$1 foo
261	],cf_result=yes,cf_result=no)
262	AC_MSG_RESULT($cf_result)
263	if test $cf_result = yes ; then
264	CF_UPPER(cf_result,have_type_$1)
265	AC_DEFINE_UNQUOTED($cf_result)
266	else
267	AC_DEFINE_UNQUOTED($1,$2)
268	fi
269	])dnl
270	dnl ---------------------------------------------------------------------------
271	dnl CF_CURSES_CPPFLAGS version: 7 updated: 2003/06/06 00:48:41
272	dnl ------------------
273	dnl Look for the curses headers.
274	AC_DEFUN([CF_CURSES_CPPFLAGS],[
275
276	AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[
277	cf_cv_curses_incdir=no
278	case $host_os in #(vi
279	hpux10.\|hpux11.) #(vi
280	test -d /usr/include/curses_colr && \
281	cf_cv_curses_incdir="-I/usr/include/curses_colr"
282	;;
283	sunos3\|sunos4)
284	test -d /usr/5lib && \
285	test -d /usr/5include && \
286	cf_cv_curses_incdir="-I/usr/5include"
287	;;
288	esac
289	])
290	test "$cf_cv_curses_incdir" != no && CPPFLAGS="$cf_cv_curses_incdir $CPPFLAGS"
291
292	AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
293	cf_cv_ncurses_header=none
294	for cf_header in \
295	curses.h \
296	ncurses.h \
297	ncurses/curses.h \
298	ncurses/ncurses.h
299	do
300	AC_TRY_COMPILE([#include <${cf_header}>],
301	[initscr(); tgoto("?", 0,0)],
302	[cf_cv_ncurses_header=$cf_header; break],[])
303	done
304	])
305
306	if test "$cf_cv_ncurses_header" = none ; then
307	AC_MSG_ERROR(No curses header-files found)
308	fi
309
310	# cheat, to get the right #define's for HAVE_NCURSES_H, etc.
311	AC_CHECK_HEADERS($cf_cv_ncurses_header)
312
313	])dnl
314	dnl ---------------------------------------------------------------------------
315	dnl CF_CURSES_LIBS version: 23 updated: 2003/11/06 19:59:57
316	dnl --------------
317	dnl Look for the curses libraries. Older curses implementations may require
318	dnl termcap/termlib to be linked as well. Call CF_CURSES_CPPFLAGS first.
319	AC_DEFUN([CF_CURSES_LIBS],[
320
321	AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
322	AC_MSG_CHECKING(if we have identified curses libraries)
323	AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
324	[initscr(); tgoto("?", 0,0)],
325	cf_result=yes,
326	cf_result=no)
327	AC_MSG_RESULT($cf_result)
328
329	if test "$cf_result" = no ; then
330	case $host_os in #(vi
331	freebsd*) #(vi
332	AC_CHECK_LIB(mytinfo,tgoto,[LIBS="-lmytinfo $LIBS"])
333	;;
334	hpux10.\|hpux11.) #(vi
335	AC_CHECK_LIB(cur_colr,initscr,[
336	LIBS="-lcur_colr $LIBS"
337	ac_cv_func_initscr=yes
338	],[
339	AC_CHECK_LIB(Hcurses,initscr,[
340	# HP's header uses __HP_CURSES, but user claims _HP_CURSES.
341	LIBS="-lHcurses $LIBS"
342	CPPFLAGS="-D__HP_CURSES -D_HP_CURSES $CPPFLAGS"
343	ac_cv_func_initscr=yes
344	])])
345	;;
346	linux*) # Suse Linux does not follow /usr/lib convention
347	LIBS="$LIBS -L/lib"
348	;;
349	sunos3\|sunos4)
350	test -d /usr/5lib && \
351	LIBS="$LIBS -L/usr/5lib -lcurses -ltermcap"
352	ac_cv_func_initscr=yes
353	;;
354	esac
355
356	if test ".$ac_cv_func_initscr" != .yes ; then
357	cf_save_LIBS="$LIBS"
358	cf_term_lib=""
359	cf_curs_lib=""
360
361	if test ".${cf_cv_ncurses_version-no}" != .no
362	then
363	cf_check_list="ncurses curses cursesX"
364	else
365	cf_check_list="cursesX curses ncurses"
366	fi
367
368	# Check for library containing tgoto. Do this before curses library
369	# because it may be needed to link the test-case for initscr.
370	AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
371	for cf_term_lib in $cf_check_list termcap termlib unknown
372	do
373	AC_CHECK_LIB($cf_term_lib,tgoto,[break])
374	done
375	])
376
377	# Check for library containing initscr
378	test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
379	for cf_curs_lib in $cf_check_list xcurses jcurses unknown
380	do
381	AC_CHECK_LIB($cf_curs_lib,initscr,[break])
382	done
383	test $cf_curs_lib = unknown && AC_ERROR(no curses library found)
384
385	LIBS="-l$cf_curs_lib $cf_save_LIBS"
386	if test "$cf_term_lib" = unknown ; then
387	AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
388	AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
389	[initscr()],
390	[cf_result=yes],
391	[cf_result=no])
392	AC_MSG_RESULT($cf_result)
393	test $cf_result = no && AC_ERROR(Cannot link curses library)
394	elif test "$cf_curs_lib" = "$cf_term_lib" ; then
395	:
396	elif test "$cf_term_lib" != predefined ; then
397	AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries)
398	AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
399	[initscr(); tgoto((char *)0, 0, 0);],
400	[cf_result=no],
401	[
402	LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
403	AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
404	[initscr()],
405	[cf_result=yes],
406	[cf_result=error])
407	])
408	AC_MSG_RESULT($cf_result)
409	fi
410	fi
411	fi
412
413	])dnl
414	dnl ---------------------------------------------------------------------------
415	dnl CF_CURSES_WACS_MAP version: 3 updated: 2003/05/17 22:19:02
416	dnl ------------------
417	dnl Check for likely values of wacs_map[]:
418	AC_DEFUN([CF_CURSES_WACS_MAP],
419	[
420	AC_CACHE_CHECK(for wide alternate character set array, cf_cv_curses_wacs_map,[
421	cf_cv_curses_wacs_map=unknown
422	for name in wacs_map _wacs_map __wacs_map _nc_wacs
423	do
424	AC_TRY_LINK([
425	#ifndef _XOPEN_SOURCE_EXTENDED
426	#define _XOPEN_SOURCE_EXTENDED
427	#endif
428	#include <${cf_cv_ncurses_header-curses.h}>],
429	[$name['k'] = *WACS_PLUS],
430	[cf_cv_curses_wacs_map=$name
431	break])
432	done])
433	])
434	dnl ---------------------------------------------------------------------------
435	dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
436	dnl ----------
437	dnl "dirname" is not portable, so we fake it with a shell script.
438	AC_DEFUN([CF_DIRNAME],[$1=`echo $2 \| sed -e 's%/[[^/]]*$%%'`])dnl
439	dnl ---------------------------------------------------------------------------
440	dnl CF_FIND_LIBRARY version: 8 updated: 2004/11/23 20:14:58
441	dnl ---------------
442	dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
443	dnl prefer a standard location, and use -L options only if we do not find the
444	dnl library in the standard library location(s).
445	dnl $1 = library name
446	dnl $2 = library class, usually the same as library name
447	dnl $3 = includes
448	dnl $4 = code fragment to compile/link
449	dnl $5 = corresponding function-name
450	dnl $6 = flag, nonnull if failure should not cause an error-exit
451	dnl
452	dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
453	dnl to use a -L option.
454	AC_DEFUN([CF_FIND_LIBRARY],
455	[
456	eval 'cf_cv_have_lib_'$1'=no'
457	cf_libdir=""
458	AC_CHECK_FUNC($5,
459	eval 'cf_cv_have_lib_'$1'=yes',[
460	cf_save_LIBS="$LIBS"
461	AC_MSG_CHECKING(for $5 in -l$1)
462	LIBS="-l$1 $LIBS"
463	AC_TRY_LINK([$3],[$4],
464	[AC_MSG_RESULT(yes)
465	eval 'cf_cv_have_lib_'$1'=yes'
466	],
467	[AC_MSG_RESULT(no)
468	CF_LIBRARY_PATH(cf_search,$2)
469	for cf_libdir in $cf_search
470	do
471	AC_MSG_CHECKING(for -l$1 in $cf_libdir)
472	LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
473	AC_TRY_LINK([$3],[$4],
474	[AC_MSG_RESULT(yes)
475	eval 'cf_cv_have_lib_'$1'=yes'
476	break],
477	[AC_MSG_RESULT(no)
478	LIBS="$cf_save_LIBS"])
479	done
480	])
481	])
482	eval 'cf_found_library=[$]cf_cv_have_lib_'$1
483	ifelse($6,,[
484	if test $cf_found_library = no ; then
485	AC_ERROR(Cannot link $1 library)
486	fi
487	])
488	])dnl
489	dnl ---------------------------------------------------------------------------
490	dnl CF_FUNC_CURSES_VERSION version: 3 updated: 2003/05/17 22:19:02
491	dnl ----------------------
492	dnl Solaris has a data item 'curses_version', which confuses AC_CHECK_FUNCS.
493	dnl It's a character string "SVR4", not documented.
494	AC_DEFUN([CF_FUNC_CURSES_VERSION],
495	[
496	AC_CACHE_CHECK(for function curses_version, cf_cv_func_curses_version,[
497	AC_TRY_RUN([
498	#include <${cf_cv_ncurses_header-curses.h}>
499	int main()
500	{
501	char temp[1024];
502	sprintf(temp, "%s\n", curses_version());
503	exit(0);
504	}]
505	,[cf_cv_func_curses_version=yes]
506	,[cf_cv_func_curses_version=no]
507	,[cf_cv_func_curses_version=unknown])
508	rm -f core])
509	test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION)
510	])
511	dnl ---------------------------------------------------------------------------
512	dnl CF_GNU_SOURCE version: 4 updated: 2004/12/03 20:43:00
513	dnl -------------
514	dnl Check if we must define _GNU_SOURCE to get a reasonable value for
515	dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
516	dnl (or misfeature) of glibc2, which breaks portability of many applications,
517	dnl since it is interwoven with GNU extensions.
518	dnl
519	dnl Well, yes we could work around it...
520	AC_DEFUN([CF_GNU_SOURCE],
521	[
522	AC_REQUIRE([CF_INTEL_COMPILER])
523
524	if test "$INTEL_COMPILER" = no ; then
525	AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
526	AC_TRY_COMPILE([#include <sys/types.h>],[
527	#ifndef _XOPEN_SOURCE
528	make an error
529	#endif],
530	[cf_cv_gnu_source=no],
531	[cf_save="$CPPFLAGS"
532	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
533	AC_TRY_COMPILE([#include <sys/types.h>],[
534	#ifdef _XOPEN_SOURCE
535	make an error
536	#endif],
537	[cf_cv_gnu_source=no],
538	[cf_cv_gnu_source=yes])
539	CPPFLAGS="$cf_save"
540	])
541	])
542	test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
543	fi
544	])dnl
545	dnl ---------------------------------------------------------------------------
546	dnl CF_HEADER_PATH version: 8 updated: 2002/11/10 14:46:59
547	dnl --------------
548	dnl Construct a search-list for a nonstandard header-file
549	AC_DEFUN([CF_HEADER_PATH],
550	[CF_SUBDIR_PATH($1,$2,include)
551	test "$includedir" != NONE && \
552	test "$includedir" != "/usr/include" && \
553	test -d "$includedir" && {
554	test -d $includedir && $1="[$]$1 $includedir"
555	test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
556	}
557
558	test "$oldincludedir" != NONE && \
559	test "$oldincludedir" != "/usr/include" && \
560	test -d "$oldincludedir" && {
561	test -d $oldincludedir && $1="[$]$1 $oldincludedir"
562	test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
563	}
564
565	])dnl
566	dnl ---------------------------------------------------------------------------
567	dnl CF_INHERIT_SCRIPT version: 2 updated: 2003/03/01 23:50:42
568	dnl -----------------
569	dnl If we do not have a given script, look for it in the parent directory.
570	AC_DEFUN([CF_INHERIT_SCRIPT],
571	[
572	test -f $1 \|\| ( test -f ../$1 && cp ../$1 ./ )
573	])dnl
574	dnl ---------------------------------------------------------------------------
575	dnl CF_INTEL_COMPILER version: 1 updated: 2004/12/03 20:27:48
576	dnl -----------------
577	dnl Check if the given compiler is really the Intel compiler for Linux.
578	dnl It tries to imitate gcc, but does not return an error when it finds a
579	dnl mismatch between prototypes, e.g., as exercised by CF_MISSING_CHECK.
580	dnl
581	dnl This macro should be run "soon" after AC_PROG_CC, to ensure that it is
582	dnl not mistaken for gcc.
583	AC_DEFUN([CF_INTEL_COMPILER],[
584	AC_REQUIRE([AC_PROG_CC])
585
586	INTEL_COMPILER=no
587
588	if test "$GCC" = yes ; then
589	case $host_os in
590	linux\|gnu)
591	AC_MSG_CHECKING(if this is really Intel compiler)
592	cf_save_CFLAGS="$CFLAGS"
593	CFLAGS="$CFLAGS -no-gcc"
594	AC_TRY_COMPILE([],[
595	#ifdef __INTEL_COMPILER
596	#else
597	make an error
598	#endif
599	],[INTEL_COMPILER=yes
600	cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
601	],[])
602	CFLAGS="$cf_save_CFLAGS"
603	AC_MSG_RESULT($INTEL_COMPILER)
604	;;
605	esac
606	fi
607	])dnl
608	dnl ---------------------------------------------------------------------------
609	dnl CF_LIBRARY_PATH version: 7 updated: 2002/11/10 14:46:59
610	dnl ---------------
611	dnl Construct a search-list for a nonstandard library-file
612	AC_DEFUN([CF_LIBRARY_PATH],
613	[CF_SUBDIR_PATH($1,$2,lib)])dnl
614	dnl ---------------------------------------------------------------------------
615	dnl CF_MSG_LOG version: 3 updated: 1997/09/07 14:05:52
616	dnl ----------
617	dnl Write a debug message to config.log, along with the line number in the
618	dnl configure script.
619	AC_DEFUN([CF_MSG_LOG],[
620	echo "(line __oline__) testing $* ..." 1>&AC_FD_CC
621	])dnl
622	dnl ---------------------------------------------------------------------------
623	dnl CF_NCURSES_CC_CHECK version: 3 updated: 2003/01/12 18:59:28
624	dnl -------------------
625	dnl Check if we can compile with ncurses' header file
626	dnl $1 is the cache variable to set
627	dnl $2 is the header-file to include
628	dnl $3 is the root name (ncurses or ncursesw)
629	AC_DEFUN([CF_NCURSES_CC_CHECK],[
630	AC_TRY_COMPILE([
631	]ifelse($3,ncursesw,[
632	#define _XOPEN_SOURCE_EXTENDED
633	#undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
634	#define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
635	])[
636	#include <$2>],[
637	#ifdef NCURSES_VERSION
638	]ifelse($3,ncursesw,[
639	#ifndef WACS_BSSB
640	make an error
641	#endif
642	])[
643	printf("%s\n", NCURSES_VERSION);
644	#else
645	#ifdef __NCURSES_H
646	printf("old\n");
647	#else
648	make an error
649	#endif
650	#endif
651	]
652	,[$1=$cf_header]
653	,[$1=no])
654	])dnl
655	dnl ---------------------------------------------------------------------------
656	dnl CF_NCURSES_CPPFLAGS version: 17 updated: 2003/11/06 19:59:57
657	dnl -------------------
658	dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
659	dnl the CPPFLAGS variable so we can include its header.
660	dnl
661	dnl The header files may be installed as either curses.h, or ncurses.h (would
662	dnl be obsolete, except that some packagers prefer this name to distinguish it
663	dnl from a "native" curses implementation). If not installed for overwrite,
664	dnl the curses.h file would be in an ncurses subdirectory (e.g.,
665	dnl /usr/include/ncurses), but someone may have installed overwriting the
666	dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
667	dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
668	dnl the header.
669	dnl
670	dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
671	dnl is already in the include-path, don't even bother with this, since we cannot
672	dnl easily determine which file it is. In this case, it has to be <curses.h>.
673	dnl
674	dnl The optional parameter gives the root name of the library, in case it is
675	dnl not installed as the default curses library. That is how the
676	dnl wide-character version of ncurses is installed.
677	AC_DEFUN([CF_NCURSES_CPPFLAGS],
678	[AC_REQUIRE([CF_WITH_CURSES_DIR])
679
680	AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
681	cf_ncuhdr_root=ifelse($1,,ncurses,$1)
682
683	test -n "$cf_cv_curses_dir" && \
684	test "$cf_cv_curses_dir" != "no" && \
685	CPPFLAGS="-I$cf_cv_curses_dir/include -I$cf_cv_curses_dir/include/$cf_ncuhdr_root $CPPFLAGS"
686
687	AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
688	cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
689	( test "$cf_ncuhdr_root" = ncurses \|\| test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
690	for cf_header in $cf_header_list
691	do
692	CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
693	test "$cf_cv_ncurses_h" != no && break
694	done
695	])
696
697	if test "$cf_cv_ncurses_h" != no ; then
698	cf_cv_ncurses_header=$cf_cv_ncurses_h
699	else
700	AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
701	test -n "$verbose" && echo
702	CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
703	test -n "$verbose" && echo search path $cf_search
704	cf_save2_CPPFLAGS="$CPPFLAGS"
705	for cf_incdir in $cf_search
706	do
707	CF_ADD_INCDIR($cf_incdir)
708	for cf_header in \
709	ncurses.h \
710	curses.h
711	do
712	CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
713	if test "$cf_cv_ncurses_h2" != no ; then
714	cf_cv_ncurses_h2=$cf_incdir/$cf_header
715	test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
716	break
717	fi
718	test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
719	done
720	CPPFLAGS="$cf_save2_CPPFLAGS"
721	test "$cf_cv_ncurses_h2" != no && break
722	done
723	test "$cf_cv_ncurses_h2" = no && AC_ERROR(not found)
724	])
725
726	CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
727	cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
728	if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
729	cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
730	fi
731	CF_ADD_INCDIR($cf_1st_incdir)
732
733	fi
734
735	AC_DEFINE(NCURSES)
736
737	case $cf_cv_ncurses_header in # (vi
738	*ncurses.h)
739	AC_DEFINE(HAVE_NCURSES_H)
740	;;
741	esac
742
743	case $cf_cv_ncurses_header in # (vi
744	ncurses/curses.h\|ncurses/ncurses.h)
745	AC_DEFINE(HAVE_NCURSES_NCURSES_H)
746	;;
747	ncursesw/curses.h\|ncursesw/ncurses.h)
748	AC_DEFINE(HAVE_NCURSESW_NCURSES_H)
749	;;
750	esac
751
752	CF_NCURSES_VERSION
753	])dnl
754	dnl ---------------------------------------------------------------------------
755	dnl CF_NCURSES_LIBS version: 12 updated: 2004/04/27 16:26:05
756	dnl ---------------
757	dnl Look for the ncurses library. This is a little complicated on Linux,
758	dnl because it may be linked with the gpm (general purpose mouse) library.
759	dnl Some distributions have gpm linked with (bsd) curses, which makes it
760	dnl unusable with ncurses. However, we don't want to link with gpm unless
761	dnl ncurses has a dependency, since gpm is normally set up as a shared library,
762	dnl and the linker will record a dependency.
763	dnl
764	dnl The optional parameter gives the root name of the library, in case it is
765	dnl not installed as the default curses library. That is how the
766	dnl wide-character version of ncurses is installed.
767	AC_DEFUN([CF_NCURSES_LIBS],
768	[AC_REQUIRE([CF_NCURSES_CPPFLAGS])
769
770	cf_nculib_root=ifelse($1,,ncurses,$1)
771	# This works, except for the special case where we find gpm, but
772	# ncurses is in a nonstandard location via $LIBS, and we really want
773	# to link gpm.
774	cf_ncurses_LIBS=""
775	cf_ncurses_SAVE="$LIBS"
776	AC_CHECK_LIB(gpm,Gpm_Open,
777	[AC_CHECK_LIB(gpm,initscr,
778	[LIBS="$cf_ncurses_SAVE"],
779	[cf_ncurses_LIBS="-lgpm"])])
780
781	case $host_os in #(vi
782	freebsd*)
783	# This is only necessary if you are linking against an obsolete
784	# version of ncurses (but it should do no harm, since it's static).
785	if test "$cf_nculib_root" = ncurses ; then
786	AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
787	fi
788	;;
789	esac
790
791	LIBS="$cf_ncurses_LIBS $LIBS"
792
793	if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
794	then
795	LIBS="-L$cf_cv_curses_dir/lib -l$cf_nculib_root $LIBS"
796	else
797	CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
798	[#include <${cf_cv_ncurses_header-curses.h}>],
799	[initscr()],
800	initscr)
801	fi
802
803	if test -n "$cf_ncurses_LIBS" ; then
804	AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
805	cf_ncurses_SAVE="$LIBS"
806	for p in $cf_ncurses_LIBS ; do
807	q=`echo $LIBS \| sed -e "s%$p %%" -e "s%$p$%%"`
808	if test "$q" != "$LIBS" ; then
809	LIBS="$q"
810	fi
811	done
812	AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
813	[initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
814	[AC_MSG_RESULT(yes)],
815	[AC_MSG_RESULT(no)
816	LIBS="$cf_ncurses_SAVE"])
817	fi
818
819	CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
820	AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
821	])dnl
822	dnl ---------------------------------------------------------------------------
823	dnl CF_NCURSES_VERSION version: 11 updated: 2003/11/06 19:59:57
824	dnl ------------------
825	dnl Check for the version of ncurses, to aid in reporting bugs, etc.
826	dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
827	dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
828	AC_DEFUN([CF_NCURSES_VERSION],
829	[
830	AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
831	AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
832	cf_cv_ncurses_version=no
833	cf_tempfile=out$$
834	rm -f $cf_tempfile
835	AC_TRY_RUN([
836	#include <${cf_cv_ncurses_header-curses.h}>
837	#include <stdio.h>
838	int main()
839	{
840	FILE *fp = fopen("$cf_tempfile", "w");
841	#ifdef NCURSES_VERSION
842	# ifdef NCURSES_VERSION_PATCH
843	fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
844	# else
845	fprintf(fp, "%s\n", NCURSES_VERSION);
846	# endif
847	#else
848	# ifdef __NCURSES_H
849	fprintf(fp, "old\n");
850	# else
851	make an error
852	# endif
853	#endif
854	exit(0);
855	}],[
856	cf_cv_ncurses_version=`cat $cf_tempfile`],,[
857
858	# This will not work if the preprocessor splits the line after the
859	# Autoconf token. The 'unproto' program does that.
860	cat > conftest.$ac_ext <<EOF
861	#include <${cf_cv_ncurses_header-curses.h}>
862	#undef Autoconf
863	#ifdef NCURSES_VERSION
864	Autoconf NCURSES_VERSION
865	#else
866	#ifdef __NCURSES_H
867	Autoconf "old"
868	#endif
869	;
870	#endif
871	EOF
872	cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC \| grep '^Autoconf ' >conftest.out"
873	AC_TRY_EVAL(cf_try)
874	if test -f conftest.out ; then
875	cf_out=`cat conftest.out \| sed -e 's%^Autoconf %%' -e 's%^[[^"]]"%%' -e 's%".%%'`
876	test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
877	rm -f conftest.out
878	fi
879	])
880	rm -f $cf_tempfile
881	])
882	test "$cf_cv_ncurses_version" = no \|\| AC_DEFINE(NCURSES)
883	])dnl
884	dnl ---------------------------------------------------------------------------
885	dnl CF_PATH_SYNTAX version: 9 updated: 2002/09/17 23:03:38
886	dnl --------------
887	dnl Check the argument to see that it looks like a pathname. Rewrite it if it
888	dnl begins with one of the prefix/exec_prefix variables, and then again if the
889	dnl result begins with 'NONE'. This is necessary to work around autoconf's
890	dnl delayed evaluation of those symbols.
891	AC_DEFUN([CF_PATH_SYNTAX],[
892	case ".[$]$1" in #(vi
893	.\[$]$$\|.\'\') #(vi
894	;;
895	..\|./\|.\\) #(vi
896	;;
897	.[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
898	;;
899	.\[$]{prefix}) #(vi
900	eval $1="[$]$1"
901	case ".[$]$1" in #(vi
902	.NONE/*)
903	$1=`echo [$]$1 \| sed -e s%NONE%$ac_default_prefix%`
904	;;
905	esac
906	;; #(vi
907	.NONE/*)
908	$1=`echo [$]$1 \| sed -e s%NONE%$ac_default_prefix%`
909	;;
910	*)
911	ifelse($2,,[AC_ERROR([expected a pathname, not \"[$]$1\"])],$2)
912	;;
913	esac
914	])dnl
915	dnl ---------------------------------------------------------------------------
916	dnl CF_POSIX_C_SOURCE version: 3 updated: 2005/02/04 06:56:22
917	dnl -----------------
918	dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
919	dnl
920	dnl POSIX.1-1990 _POSIX_SOURCE
921	dnl POSIX.1-1990 and _POSIX_SOURCE and
922	dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
923	dnl Bindings Option
924	dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
925	dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
926	dnl X/Open 2000 _POSIX_C_SOURCE=200112L
927	dnl
928	dnl Parameters:
929	dnl $1 is the nominal value for _POSIX_C_SOURCE
930	AC_DEFUN([CF_POSIX_C_SOURCE],
931	[
932	cf_POSIX_C_SOURCE=ifelse($1,,199506L,$1)
933	AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
934	CF_MSG_LOG(if the symbol is already defined go no further)
935	AC_TRY_COMPILE([#include <sys/types.h>],[
936	#ifndef _POSIX_C_SOURCE
937	make an error
938	#endif],
939	[cf_cv_posix_c_source=no],
940	[cf_want_posix_source=no
941	case .$cf_POSIX_C_SOURCE in
942	.[[12]]??*)
943	cf_cv_posix_c_source="-U_POSIX_C_SOURCE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
944	;;
945	.2)
946	cf_cv_posix_c_source="-U_POSIX_C_SOURCE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
947	cf_want_posix_source=yes
948	;;
949	.*)
950	cf_want_posix_source=yes
951	;;
952	esac
953	if test "$cf_want_posix_source" = yes ; then
954	AC_TRY_COMPILE([#include <sys/types.h>],[
955	#ifdef _POSIX_SOURCE
956	make an error
957	#endif],[],
958	cf_cv_posix_c_source="$cf_cv_posix_c_source -U_POSIX_SOURCE -D_POSIX_SOURCE")
959	fi
960	CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
961	cf_save="$CPPFLAGS"
962	CPPFLAGS="$CPPFLAGS $cf_cv_posix_c_source"
963	CF_MSG_LOG(if the second compile does not leave our definition intact error)
964	AC_TRY_COMPILE([#include <sys/types.h>],[
965	#ifndef _POSIX_C_SOURCE
966	make an error
967	#endif],,
968	[cf_cv_posix_c_source=no])
969	CPPFLAGS="$cf_save"
970	])
971	])
972	test "$cf_cv_posix_c_source" != no && CPPFLAGS="$CPPFLAGS $cf_cv_posix_c_source"
973	])dnl
974	dnl ---------------------------------------------------------------------------
975	dnl CF_SUBDIR_PATH version: 3 updated: 2002/12/29 18:30:46
976	dnl --------------
977	dnl Construct a search-list for a nonstandard header/lib-file
978	dnl $1 = the variable to return as result
979	dnl $2 = the package name
980	dnl $3 = the subdirectory, e.g., bin, include or lib
981	AC_DEFUN([CF_SUBDIR_PATH],
982	[$1=""
983
984	test -d [$]HOME && {
985	test -n "$verbose" && echo " ... testing $3-directories under [$]HOME"
986	test -d [$]HOME/$3 && $1="[$]$1 [$]HOME/$3"
987	test -d [$]HOME/$3/$2 && $1="[$]$1 [$]HOME/$3/$2"
988	test -d [$]HOME/$3/$2/$3 && $1="[$]$1 [$]HOME/$3/$2/$3"
989	}
990
991	# For other stuff under the home directory, it should be sufficient to put
992	# a symbolic link for $HOME/$2 to the actual package location:
993	test -d [$]HOME/$2 && {
994	test -n "$verbose" && echo " ... testing $3-directories under [$]HOME/$2"
995	test -d [$]HOME/$2/$3 && $1="[$]$1 [$]HOME/$2/$3"
996	test -d [$]HOME/$2/$3/$2 && $1="[$]$1 [$]HOME/$2/$3/$2"
997	}
998
999	test "$prefix" != /usr/local && \
1000	test -d /usr/local && {
1001	test -n "$verbose" && echo " ... testing $3-directories under /usr/local"
1002	test -d /usr/local/$3 && $1="[$]$1 /usr/local/$3"
1003	test -d /usr/local/$3/$2 && $1="[$]$1 /usr/local/$3/$2"
1004	test -d /usr/local/$3/$2/$3 && $1="[$]$1 /usr/local/$3/$2/$3"
1005	test -d /usr/local/$2/$3 && $1="[$]$1 /usr/local/$2/$3"
1006	test -d /usr/local/$2/$3/$2 && $1="[$]$1 /usr/local/$2/$3/$2"
1007	}
1008
1009	test "$prefix" != NONE && \
1010	test -d $prefix && {
1011	test -n "$verbose" && echo " ... testing $3-directories under $prefix"
1012	test -d $prefix/$3 && $1="[$]$1 $prefix/$3"
1013	test -d $prefix/$3/$2 && $1="[$]$1 $prefix/$3/$2"
1014	test -d $prefix/$3/$2/$3 && $1="[$]$1 $prefix/$3/$2/$3"
1015	test -d $prefix/$2/$3 && $1="[$]$1 $prefix/$2/$3"
1016	test -d $prefix/$2/$3/$2 && $1="[$]$1 $prefix/$2/$3/$2"
1017	}
1018
1019	test "$prefix" != /opt && \
1020	test -d /opt && {
1021	test -n "$verbose" && echo " ... testing $3-directories under /opt"
1022	test -d /opt/$3 && $1="[$]$1 /opt/$3"
1023	test -d /opt/$3/$2 && $1="[$]$1 /opt/$3/$2"
1024	test -d /opt/$3/$2/$3 && $1="[$]$1 /opt/$3/$2/$3"
1025	test -d /opt/$2/$3 && $1="[$]$1 /opt/$2/$3"
1026	test -d /opt/$2/$3/$2 && $1="[$]$1 /opt/$2/$3/$2"
1027	}
1028
1029	test "$prefix" != /usr && \
1030	test -d /usr && {
1031	test -n "$verbose" && echo " ... testing $3-directories under /usr"
1032	test -d /usr/$3 && $1="[$]$1 /usr/$3"
1033	test -d /usr/$3/$2 && $1="[$]$1 /usr/$3/$2"
1034	test -d /usr/$3/$2/$3 && $1="[$]$1 /usr/$3/$2/$3"
1035	test -d /usr/$2/$3 && $1="[$]$1 /usr/$2/$3"
1036	}
1037	])dnl
1038	dnl ---------------------------------------------------------------------------
1039	dnl CF_SYS_TIME_SELECT version: 4 updated: 2000/10/04 09:18:40
1040	dnl ------------------
1041	dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
1042	dnl older SCO configurations.
1043	AC_DEFUN([CF_SYS_TIME_SELECT],
1044	[
1045	AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
1046	AC_CACHE_VAL(cf_cv_sys_time_select,[
1047	AC_TRY_COMPILE([
1048	#include <sys/types.h>
1049	#ifdef HAVE_SYS_TIME_H
1050	#include <sys/time.h>
1051	#endif
1052	#ifdef HAVE_SYS_SELECT_H
1053	#include <sys/select.h>
1054	#endif
1055	],[],[cf_cv_sys_time_select=yes],
1056	[cf_cv_sys_time_select=no])
1057	])
1058	AC_MSG_RESULT($cf_cv_sys_time_select)
1059	test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT)
1060	])dnl
1061	dnl ---------------------------------------------------------------------------
1062	dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
1063	dnl --------
1064	dnl Make an uppercase version of a variable
1065	dnl $1=uppercase($2)
1066	AC_DEFUN([CF_UPPER],
1067	[
1068	$1=`echo "$2" \| sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
1069	])dnl
1070	dnl ---------------------------------------------------------------------------
1071	dnl CF_UTF8_LIB version: 4 updated: 2003/03/01 18:36:42
1072	dnl -----------
1073	dnl Check for multibyte support, and if not found, utf8 compatibility library
1074	AC_DEFUN([CF_UTF8_LIB],
1075	[
1076	AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
1077	cf_save_LIBS="$LIBS"
1078	AC_TRY_LINK([
1079	#include <stdlib.h>],[putwc(0,0);],
1080	[cf_cv_utf8_lib=yes],
1081	[LIBS="-lutf8 $LIBS"
1082	AC_TRY_LINK([
1083	#include <libutf8.h>],[putwc(0,0);],
1084	[cf_cv_utf8_lib=add-on],
1085	[cf_cv_utf8_lib=no])
1086	LIBS="$cf_save_LIBS"
1087	])])
1088
1089	# HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
1090	# ncurses/ncursesw:
1091	if test "$cf_cv_utf8_lib" = "add-on" ; then
1092	AC_DEFINE(HAVE_LIBUTF8_H)
1093	LIBS="-lutf8 $LIBS"
1094	fi
1095	])dnl
1096	dnl ---------------------------------------------------------------------------
1097	dnl CF_VERBOSE version: 2 updated: 1997/09/05 10:45:14
1098	dnl ----------
1099	dnl Use AC_VERBOSE w/o the warnings
1100	AC_DEFUN([CF_VERBOSE],
1101	[test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
1102	])dnl
1103	dnl ---------------------------------------------------------------------------
1104	dnl CF_WITH_CURSES_DIR version: 2 updated: 2002/11/10 14:46:59
1105	dnl ------------------
1106	dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
1107	dnl libraries.
1108	AC_DEFUN([CF_WITH_CURSES_DIR],[
1109	AC_ARG_WITH(curses-dir,
1110	[ --with-curses-dir=DIR directory in which (n)curses is installed],
1111	[CF_PATH_SYNTAX(withval)
1112	cf_cv_curses_dir=$withval],
1113	[cf_cv_curses_dir=no])
1114	])dnl
1115	dnl ---------------------------------------------------------------------------
1116	dnl CF_XOPEN_SOURCE version: 17 updated: 2005/02/06 12:07:45
1117	dnl ---------------
1118	dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
1119	dnl or adapt to the vendor's definitions to get equivalent functionality.
1120	dnl
1121	dnl Parameters:
1122	dnl $1 is the nominal value for _XOPEN_SOURCE
1123	dnl $2 is the nominal value for _POSIX_C_SOURCE
1124	AC_DEFUN([CF_XOPEN_SOURCE],[
1125
1126	cf_XOPEN_SOURCE=ifelse($1,,500,$1)
1127	cf_POSIX_C_SOURCE=ifelse($2,,199506L,$2)
1128
1129	case $host_os in #(vi
1130	aix[[45]]*) #(vi
1131	CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE"
1132	;;
1133	freebsd*) #(vi
1134	# 5.x headers associate
1135	# _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
1136	# _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
1137	cf_POSIX_C_SOURCE=200112L
1138	cf_XOPEN_SOURCE=600
1139	CPPFLAGS="$CPPFLAGS -D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
1140	;;
1141	hpux*) #(vi
1142	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
1143	;;
1144	irix[[56]].*) #(vi
1145	CPPFLAGS="$CPPFLAGS -D_SGI_SOURCE"
1146	;;
1147	linux\|gnu) #(vi
1148	CF_GNU_SOURCE
1149	;;
1150	mirbsd*) #(vi
1151	# setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <arpa/inet.h>
1152	;;
1153	netbsd*) #(vi
1154	# setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
1155	;;
1156	openbsd*) #(vi
1157	# setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
1158	;;
1159	osf[[45]]*) #(vi
1160	CPPFLAGS="$CPPFLAGS -D_OSF_SOURCE"
1161	;;
1162	sco*) #(vi
1163	# setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
1164	;;
1165	solaris*) #(vi
1166	CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1167	;;
1168	*)
1169	AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
1170	AC_TRY_COMPILE([#include <sys/types.h>],[
1171	#ifndef _XOPEN_SOURCE
1172	make an error
1173	#endif],
1174	[cf_cv_xopen_source=no],
1175	[cf_save="$CPPFLAGS"
1176	CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
1177	AC_TRY_COMPILE([#include <sys/types.h>],[
1178	#ifdef _XOPEN_SOURCE
1179	make an error
1180	#endif],
1181	[cf_cv_xopen_source=no],
1182	[cf_cv_xopen_source=$cf_XOPEN_SOURCE])
1183	CPPFLAGS="$cf_save"
1184	])
1185	])
1186	test "$cf_cv_xopen_source" != no && CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE -D_XOPEN_SOURCE=$cf_cv_xopen_source"
1187	CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
1188	;;
1189	esac
1190	])

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