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Revision 5465:45ce2903b9e9, 40.0 kB (checked in by Brendan Cully <brendan@…>, 5 weeks ago)
Disable GCC long long warnings with -pedantic. Closes #2823. Thanks to Aron Griffis for the suggestion.

Line
1	dnl Process this file with autoconf to produce a configure script.
2
3	dnl !!! WHEN ADDING NEW CONFIGURE TESTS, PLEASE ADD CODE TO MAIN.C !!!
4	dnl !!! TO DUMP THEIR RESULTS WHEN MUTT -V IS CALLED !!!
5
6	AC_PREREQ([2.54])
7	AC_INIT([mutt.h])
8	AM_CONFIG_HEADER([config.h])
9
10	mutt_cv_version=`cat $srcdir/VERSION`
11	AM_INIT_AUTOMAKE(mutt, $mutt_cv_version)
12	AC_SUBST([CONFIG_STATUS_DEPENDENCIES], ['$(top_srcdir)/VERSION'])
13
14	AC_GNU_SOURCE
15
16	ALL_LINGUAS="de eu ru it es uk fr pl nl cs id sk ko el zh_TW zh_CN pt_BR eo gl sv da lt tr ja hu et ca bg ga"
17
18	AC_CANONICAL_HOST
19
20	AC_MSG_CHECKING([for prefix])
21	if test x$prefix = xNONE; then
22	mutt_cv_prefix=$ac_default_prefix
23	else
24	mutt_cv_prefix=$prefix
25	fi
26	AC_MSG_RESULT($mutt_cv_prefix)
27
28	AC_PROG_CC
29	AC_ISC_POSIX
30	AM_C_PROTOTYPES
31	if test "x$U" != "x"; then
32	AC_MSG_ERROR(Compiler not ANSI compliant)
33	fi
34	AC_PROG_CPP
35	AC_PROG_MAKE_SET
36	AC_PROG_INSTALL
37	AC_PROG_RANLIB
38	AC_CHECK_TOOL(AR, ar, ar)
39
40	AC_C_INLINE
41	AC_C_CONST
42	AC_C_BIGENDIAN
43
44	AC_SYS_LARGEFILE
45	AC_FUNC_FSEEKO
46	AC_CHECK_SIZEOF(off_t)
47
48	AC_PATH_PROG(DBX, dbx, no)
49	AC_PATH_PROG(GDB, gdb, no)
50	AC_PATH_PROG(SDB, sdb, no)
51
52	if test $GDB != no ; then
53	DEBUGGER=$GDB
54	elif test $DBX != no ; then
55	DEBUGGER=$DBX
56	elif test $SDB != no ; then
57	DEBUGGER=$SDB
58	else
59	DEBUGGER=no
60	fi
61
62	AC_SUBST([DEBUGGER])
63
64	AH_TEMPLATE([sig_atomic_t],
65	[/* Define to `int' if <signal.h> doesn't define.])
66	AH_TEMPLATE([HAVE_START_COLOR],
67	[Define if you have start_color, as a function or macro.])
68	AH_TEMPLATE([HAVE_TYPEAHEAD],
69	[Define if you have typeahead, as a function or macro.])
70	AH_TEMPLATE([HAVE_BKGDSET],
71	[Define if you have bkgdset, as a function or macro.])
72	AH_TEMPLATE([HAVE_CURS_SET],
73	[Define if you have curs_set, as a function or macro.])
74	AH_TEMPLATE([HAVE_META],
75	[Define if you have meta, as a function or macro.])
76	AH_TEMPLATE([HAVE_USE_DEFAULT_COLORS],
77	[Define if you have use_default_colors, as a function or macro.])
78	AH_TEMPLATE([HAVE_RESIZETERM],
79	[Define if you have resizeterm, as a function or macro.])
80	AH_TEMPLATE([SIG_ATOMIC_VOLATILE_T],
81	[Some systems declare sig_atomic_t as volatile, some others -- no.
82	This define will have value `sig_atomic_t' or
83	`volatile sig_atomic_t' accordingly.])
84	AH_TEMPLATE([ICONV_NONTRANS],
85	[Define as 1 if iconv() only converts exactly and we should treat
86	all return values other than (size_t)(-1) as equivalent.])
87
88	AH_BOTTOM([/* fseeko portability defines */
89	#ifdef HAVE_FSEEKO
90	# define LOFF_T off_t
91	# if HAVE_C99_INTTYPES && HAVE_INTTYPES_H
92	# if SIZEOF_OFF_T == 8
93	# define OFF_T_FMT "%" PRId64
94	# else
95	# define OFF_T_FMT "%" PRId32
96	# endif
97	# else
98	# if (SIZEOF_OFF_T == 8) && (SIZEOF_LONG == 4)
99	# define OFF_T_FMT "%lld"
100	# else
101	# define OFF_T_FMT "%ld"
102	# endif
103	# endif
104	#else
105	# define LOFF_T long
106	# define fseeko fseek
107	# define ftello ftell
108	# define OFF_T_FMT "%ld"
109	#endif
110	])
111	MUTT_C99_INTTYPES
112
113	ac_aux_path_sendmail=/usr/sbin:/usr/lib
114	AC_PATH_PROG(SENDMAIL, sendmail, /usr/sbin/sendmail, $PATH:$ac_aux_path_sendmail)
115	AC_DEFINE_UNQUOTED(SENDMAIL,"$ac_cv_path_SENDMAIL", [Where to find sendmail on your system.])
116
117	OPS='$(srcdir)/OPS'
118
119	AC_MSG_CHECKING([whether to build with GPGME support])
120	AC_ARG_ENABLE(gpgme, AC_HELP_STRING([--enable-gpgme], [Enable GPGME support]),
121	[ if test x$enableval = xyes; then
122	enable_gpgme=yes
123	fi
124	])
125
126	if test x"$enable_gpgme" = xyes; then
127	AC_MSG_RESULT(yes)
128	AM_PATH_GPGME(1.0.0, AC_DEFINE(CRYPT_BACKEND_GPGME, 1,
129	[Defined, if GPGME support is enabled]),
130	[gpgme_found=no])
131	if test x"$gpgme_found" = xno; then
132	AC_MSG_ERROR([* GPGME not found *])
133	else
134	AM_PATH_GPGME(1.1.1, AC_DEFINE(HAVE_GPGME_PKA_TRUST, 1,
135	[Define if GPGME supports PKA]))
136	#needed to get GPGME_LIBS and al correctly
137	AM_PATH_GPGME(1.0.0, AC_DEFINE(CRYPT_BACKEND_GPGME, 1,
138	[Define if you use GPGME to support OpenPGP]))
139	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS crypt-gpgme.o crypt-mod-pgp-gpgme.o crypt-mod-smime-gpgme.o"
140	fi
141	else
142	AC_MSG_RESULT([no])
143	fi
144
145	AC_ARG_ENABLE(pgp, AC_HELP_STRING([--disable-pgp], [Disable PGP support]),
146	[ if test x$enableval = xno ; then
147	have_pgp=no
148	fi
149	])
150
151	if test x$have_pgp != xno ; then
152	AC_DEFINE(CRYPT_BACKEND_CLASSIC_PGP,1, [Define if you want classic PGP support.])
153	PGPAUX_TARGET="pgpring\$(EXEEXT) pgpewrap\$(EXEEXT)"
154	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS pgp.o pgpinvoke.o pgpkey.o pgplib.o gnupgparse.o pgpmicalg.o pgppacket.o crypt-mod-pgp-classic.o"
155	fi
156
157	AC_ARG_ENABLE(smime, AC_HELP_STRING([--disable-smime], [Disable SMIME support]),
158	[ if test x$enableval = xno ; then
159	have_smime=no
160	fi
161	])
162
163	if test x$have_smime != xno ; then
164	AC_DEFINE(CRYPT_BACKEND_CLASSIC_SMIME, 1, [Define if you want clasic S/MIME support.])
165	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS smime.o crypt-mod-smime-classic.o"
166	SMIMEAUX_TARGET="smime_keys"
167	fi
168
169	AC_ARG_WITH(mixmaster, AC_HELP_STRING([--with-mixmaster@<:@=PATH@:>@], [Include Mixmaster support]),
170	[if test "$withval" != no
171	then
172	if test -x "$withval"
173	then
174	MIXMASTER="$withval"
175	else
176	MIXMASTER="mixmaster"
177	fi
178	OPS="$OPS \$(srcdir)/OPS.MIX"
179	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS remailer.o"
180	AC_DEFINE_UNQUOTED(MIXMASTER,"$MIXMASTER", [Where to find mixmaster on your system.])
181	fi])
182
183	# We now require all OPS
184	OPS="$OPS \$(srcdir)/OPS.PGP \$(srcdir)/OPS.SMIME \$(srcdir)/OPS.CRYPT "
185	AC_SUBST([OPS])
186
187	AC_SUBST(PGPAUX_TARGET)
188	AC_SUBST(SMIMEAUX_TARGET)
189
190	AC_PATH_PROG(ISPELL, ispell, no)
191	if test $ISPELL != no; then
192	AC_DEFINE_UNQUOTED(ISPELL,"$ISPELL",[ Where to find ispell on your system. ])
193	fi
194
195	AC_ARG_WITH(slang, AC_HELP_STRING([--with-slang@<:@=DIR@:>@], [Use S-Lang instead of ncurses]),
196	[AC_CACHE_CHECK([if this is a BSD system], mutt_cv_bsdish,
197	[AC_TRY_RUN([#include <sys/param.h>
198	#include <stdlib.h>
199
200	main ()
201	{
202	#ifdef BSD
203	exit (0);
204	#else
205	exit (1);
206	#endif
207	}],
208	mutt_cv_bsdish=yes,
209	mutt_cv_bsdish=no,
210	mutt_cv_bsdish=no)])
211
212	AC_MSG_CHECKING(for S-Lang)
213	if test $withval = yes; then
214	if test -d $srcdir/../slang; then
215	mutt_cv_slang=$srcdir/../slang/src
216	CPPFLAGS="$CPPFLAGS -I${mutt_cv_slang}"
217	LDFLAGS="$LDFLAGS -L${mutt_cv_slang}/objs"
218	else
219	if test -d $mutt_cv_prefix/include/slang; then
220	CPPFLAGS="$CPPFLAGS -I$mutt_cv_prefix/include/slang"
221	elif test -d /usr/include/slang; then
222	CPPFLAGS="$CPPFLAGS -I/usr/include/slang"
223	fi
224	mutt_cv_slang=yes
225	fi
226	else
227	dnl ---Check to see if $withval is a source directory
228	if test -f $withval/src/slang.h; then
229	mutt_cv_slang=$withval/src
230	CPPFLAGS="$CPPFLAGS -I${mutt_cv_slang}"
231	LDFLAGS="$LDFLAGS -L${mutt_cv_slang}/objs"
232	else
233	dnl ---Must be installed somewhere
234	mutt_cv_slang=$withval
235	if test -d $withval/include/slang; then
236	CPPFLAGS="$CPPFLAGS -I${withval}/include/slang"
237	elif test -d $withval/include; then
238	CPPFLAGS="$CPPFLAGS -I${withval}/include"
239	fi
240	LDFLAGS="$LDFLAGS -L${withval}/lib"
241	fi
242	fi
243	AC_MSG_RESULT($mutt_cv_slang)
244	if test $mutt_cv_bsdish = yes; then
245	AC_CHECK_LIB(termlib, main)
246	fi
247	AC_DEFINE(USE_SLANG_CURSES,1,
248	[ Define if you compile with SLang instead of curses/ncurses. ])
249	AC_DEFINE(HAVE_COLOR,1,[ Define if your curses library supports color. ])
250	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS resize.o"
251
252	dnl --- now that we've found it, check the link
253
254	AC_CHECK_LIB(slang, SLtt_get_terminfo,
255	[MUTTLIBS="$MUTTLIBS -lslang -lm"],
256	[AC_MSG_ERROR(unable to compile. check config.log)], -lm)
257
258	],
259
260	[mutt_cv_curses=/usr
261	AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses=DIR], [Where ncurses is installed]),
262	[if test $withval != yes; then
263	mutt_cv_curses=$withval
264	fi
265	if test x$mutt_cv_curses != x/usr; then
266	LDFLAGS="$LDFLAGS -L${mutt_cv_curses}/lib"
267	CPPFLAGS="$CPPFLAGS -I${mutt_cv_curses}/include"
268	fi])
269
270	AC_CHECK_FUNC(initscr,,[
271	cf_ncurses="ncurses"
272	for lib in ncurses ncursesw
273	do
274	AC_CHECK_LIB($lib, waddnwstr, [cf_ncurses="$lib"; break])
275	done
276	AC_CHECK_LIB($cf_ncurses, initscr,
277	[MUTTLIBS="$MUTTLIBS -l$cf_ncurses"
278
279	if test "$cf_ncurses" = ncursesw; then
280	AC_CHECK_HEADERS(ncursesw/ncurses.h,[cf_cv_ncurses_header="ncursesw/ncurses.h"])
281	else
282	AC_CHECK_HEADERS(ncurses/ncurses.h,[cf_cv_ncurses_header="ncurses/ncurses.h"],
283	[AC_CHECK_HEADERS(ncurses.h,[cf_cv_ncurses_header="ncurses.h"])])
284	fi],
285
286	[CF_CURSES_LIBS])
287	])
288
289	old_LIBS="$LIBS"
290	LIBS="$LIBS $MUTTLIBS"
291	CF_CHECK_FUNCDECLS([#include <${cf_cv_ncurses_header-curses.h}>],
292	[start_color typeahead bkgdset curs_set meta use_default_colors resizeterm])
293	if test "$ac_cv_func_decl_start_color" = yes; then
294	AC_DEFINE(HAVE_COLOR,1,[ Define if your curses library supports color. ])
295	fi
296	if test "$ac_cv_func_decl_resizeterm" = yes; then
297	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS resize.o"
298	fi
299	LIBS="$old_LIBS"
300	])
301
302	AC_HEADER_STDC
303
304	AC_CHECK_HEADERS(stdarg.h sys/ioctl.h ioctl.h sysexits.h)
305	AC_CHECK_HEADERS(sys/time.h sys/resource.h)
306	AC_CHECK_HEADERS(unix.h)
307
308	AC_CHECK_FUNCS(setrlimit getsid)
309
310	AC_TYPE_SIGNAL
311
312	AC_MSG_CHECKING(for sig_atomic_t in signal.h)
313	AC_EGREP_HEADER(sig_atomic_t,signal.h,
314	[
315	ac_cv_type_sig_atomic_t=yes;
316	AC_EGREP_HEADER(volatile.*sig_atomic_t,
317	signal.h,
318	[
319	is_sig_atomic_t_volatile=yes;
320	AC_MSG_RESULT([yes, volatile])
321	],
322	[
323	is_sig_atomic_t_volatile=no;
324	AC_MSG_RESULT([yes, non volatile])
325	])
326	],
327	[
328	AC_MSG_RESULT(no)
329	AC_CHECK_TYPE(sig_atomic_t, int)
330	is_sig_atomic_t_volatile=no
331	])
332	if test $is_sig_atomic_t_volatile = 'yes'
333	then
334	AC_DEFINE(SIG_ATOMIC_VOLATILE_T, sig_atomic_t)
335	else
336	AC_DEFINE(SIG_ATOMIC_VOLATILE_T, [volatile sig_atomic_t])
337	fi
338
339	AC_DECL_SYS_SIGLIST
340
341	AC_TYPE_PID_T
342	AC_CHECK_TYPE(ssize_t, int)
343
344	AC_CHECK_FUNCS(fgetpos memmove setegid srand48 strerror)
345
346	AC_REPLACE_FUNCS([setenv strcasecmp strdup strsep strtok_r])
347
348	AC_CHECK_FUNC(getopt)
349	if test $ac_cv_func_getopt = yes; then
350	AC_CHECK_HEADERS(getopt.h)
351	fi
352
353	SNPRINTFOBJS=""
354	AC_CHECK_FUNC(snprintf, [mutt_cv_func_snprintf=yes], [mutt_cv_func_snprintf=no])
355	AC_CHECK_FUNC(vsnprintf, [mutt_cv_func_vsnprintf=yes], [mutt_cv_func_vsnprintf=no])
356	if test $mutt_cv_func_snprintf = yes; then
357	AC_CACHE_CHECK([whether your system's snprintf is C99 compliant],
358	[mutt_cv_c99_snprintf],
359	AC_TRY_RUN([
360	#include <stdio.h>
361	int main()
362	{
363	changequote(, )dnl
364	char buf[8];
365	int len = snprintf(buf, 4, "1234567");
366	return (len != 7 \|\| buf[3] != '\0');
367	changequote([, ])dnl
368	}
369	], mutt_cv_c99_snprintf=yes, mutt_cv_c99_snprintf=no, mutt_cv_c99_snprintf=no))
370	else
371	mutt_cv_c99_snprintf=no
372	fi
373	if test $mutt_cv_func_vsnprintf = yes; then
374	AC_CACHE_CHECK([whether your system's vsnprintf is C99 compliant],
375	[mutt_cv_c99_vsnprintf],
376	AC_TRY_RUN([
377	#include <stdarg.h>
378	#include <stdio.h>
379	int foo(const char *fmt, ...)
380	{
381	changequote(, )dnl
382	char buf[8];
383	int len;
384	va_list ap;
385	va_start(ap, fmt);
386	len = vsnprintf(buf, 4, fmt, ap);
387	va_end(ap);
388	return (len != 7 \|\| buf[3] != '\0');
389	changequote([, ])dnl
390	}
391
392	int main()
393	{
394	return foo("%s", "1234567");
395	}
396	], mutt_cv_c99_vsnprintf=yes, mutt_cv_c99_vsnprintf=no, mutt_cv_c99_vsnprintf=no))
397	else
398	mutt_cv_c99_vsnprintf=no
399	fi
400	if test $mutt_cv_c99_snprintf = yes; then
401	AC_DEFINE(HAVE_SNPRINTF, 1, [ Define to 1 if you have a C99 compliant snprintf function. ])
402	fi
403	if test $mutt_cv_c99_vsnprintf = yes; then
404	AC_DEFINE(HAVE_VSNPRINTF, 1, [ Define to 1 if you have a C99 compliant vsnprintf function. ])
405	fi
406	if test $mutt_cv_c99_snprintf = no -o $mutt_cv_c99_vsnprintf = no; then
407	AC_LIBOBJ(snprintf)
408	fi
409
410	XIPH_FUNC_VA_COPY
411
412	dnl SCO uses chsize() instead of ftruncate()
413	AC_CHECK_FUNCS(ftruncate, , [AC_CHECK_LIB(x, chsize)])
414
415	dnl SCO has strftime() in libintl
416	AC_CHECK_FUNCS(strftime, , [AC_CHECK_LIB(intl, strftime)])
417
418	dnl AIX may not have fchdir()
419	AC_CHECK_FUNCS(fchdir, , [mutt_cv_fchdir=no])
420
421	AC_ARG_WITH(regex, AC_HELP_STRING([--with-regex], [Use the GNU regex library]),
422	[mutt_cv_regex=yes],
423	[AC_CHECK_FUNCS(regcomp, mutt_cv_regex=no, mutt_cv_regex=yes)])
424
425	if test $mutt_cv_regex = no ; then
426	AC_CACHE_CHECK([whether your system's regexp library is completely broken],
427	[mutt_cv_regex_broken],
428	AC_TRY_RUN([
429	#include <unistd.h>
430	#include <regex.h>
431	main() { regex_t blah ; regmatch_t p; p.rm_eo = p.rm_eo; return regcomp(&blah, "foo.*bar", REG_NOSUB) \|\| regexec (&blah, "foobar", 0, NULL, 0); }],
432	mutt_cv_regex_broken=no, mutt_cv_regex_broken=yes, mutt_cv_regex_broken=yes))
433	if test $mutt_cv_regex_broken = yes ; then
434	echo "Using the included GNU regex instead." >&AC_FD_MSG
435	mutt_cv_regex=yes
436	fi
437	fi
438
439	if test $mutt_cv_regex = yes; then
440	AC_DEFINE(USE_GNU_REGEX,1,[ Define if you want to use the included regex.c. ])
441	AC_LIBOBJ(regex)
442	fi
443
444
445	AC_ARG_WITH(homespool,
446	AC_HELP_STRING([--with-homespool@<:@=FILE@:>@], [File in user's directory where new mail is spooled]), with_homespool=${withval})
447	if test x$with_homespool != x; then
448	if test $with_homespool = yes; then
449	with_homespool=mailbox
450	fi
451	AC_DEFINE_UNQUOTED(MAILPATH,"$with_homespool",[ Where new mail is spooled. ])
452	AC_DEFINE(HOMESPOOL,1,
453	[Is mail spooled to the user's home directory? If defined,
454	MAILPATH should be set to the filename of the spool mailbox
455	relative the the home directory.
456	use: configure --with-homespool=FILE])
457	AC_DEFINE(USE_DOTLOCK,1,[ Define to use dotlocking for mailboxes. ])
458	mutt_cv_setgid=no
459	else
460	AC_ARG_WITH(mailpath, AC_HELP_STRING([--with-mailpath=DIR], [Directory where spool mailboxes are located]),
461	[mutt_cv_mailpath=$withval],
462	[ AC_CACHE_CHECK(where new mail is stored, mutt_cv_mailpath,
463	[mutt_cv_mailpath=no
464	if test -d /var/mail; then
465	mutt_cv_mailpath=/var/mail
466	elif test -d /var/spool/mail; then
467	mutt_cv_mailpath=/var/spool/mail
468	elif test -d /usr/spool/mail; then
469	mutt_cv_mailpath=/usr/spool/mail
470	elif test -d /usr/mail; then
471	mutt_cv_mailpath=/usr/mail
472	fi])
473	])
474	if test "$mutt_cv_mailpath" = no; then
475	AC_MSG_ERROR("Could not determine where new mail is stored.")
476	fi
477	AC_DEFINE_UNQUOTED(MAILPATH,"$mutt_cv_mailpath",[ Where new mail is spooled. ])
478
479	AC_CACHE_CHECK(if $mutt_cv_mailpath is world writable, mutt_cv_worldwrite, [AC_TRY_RUN([#include <sys/types.h>
480	#include <sys/stat.h>
481	#include <stdlib.h>
482
483	int main (int argc, char **argv)
484	{
485	struct stat s;
486
487	stat ("$mutt_cv_mailpath", &s);
488	if (s.st_mode & S_IWOTH) exit (0);
489	exit (1);
490	}], mutt_cv_worldwrite=yes, mutt_cv_worldwrite=no, mutt_cv_worldwrite=no)])
491
492	mutt_cv_setgid=no
493	if test $mutt_cv_worldwrite = yes; then
494	AC_DEFINE(USE_DOTLOCK,1,[ Define to use dotlocking for mailboxes. ])
495	else
496
497	AC_CACHE_CHECK(if $mutt_cv_mailpath is group writable, mutt_cv_groupwrite, [AC_TRY_RUN([#include <sys/types.h>
498	#include <sys/stat.h>
499	#include <stdlib.h>
500
501	int main (int argc, char **argv)
502	{
503	struct stat s;
504
505	stat ("$mutt_cv_mailpath", &s);
506	if (s.st_mode & S_IWGRP) exit (0);
507	exit (1);
508	}], mutt_cv_groupwrite=yes, mutt_cv_groupwrite=no, mutt_cv_groupwrite=no)])
509
510	if test $mutt_cv_groupwrite = yes; then
511	AC_DEFINE(USE_DOTLOCK,1,[ Define to use dotlocking for mailboxes. ])
512	AC_DEFINE(USE_SETGID,1,[ Define if mutt should run setgid "mail". ])
513	mutt_cv_setgid=yes
514	fi
515	fi
516	fi
517
518	AC_ARG_ENABLE(external_dotlock, AC_HELP_STRING([--enable-external-dotlock], [Force use of an external dotlock program]),
519	[mutt_cv_external_dotlock="$enableval"])
520
521	if test "x$mutt_cv_setgid" = "xyes" \|\| test "x$mutt_cv_fchdir" = "xno" \
522	\|\| test "x$mutt_cv_external_dotlock" = "xyes"
523	then
524	AC_DEFINE(DL_STANDALONE,1,[ Define if you want to use an external dotlocking program. ])
525	DOTLOCK_TARGET="mutt_dotlock\$(EXEEXT)"
526	else
527	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS dotlock.o"
528	fi
529
530	AC_SUBST(DOTLOCK_TARGET)
531
532	dnl autoconf <2.60 compatibility
533	if test -z "$datarootdir"; then
534	datarootdir='${prefix}/share'
535	fi
536	AC_SUBST([datarootdir])
537
538	AC_MSG_CHECKING(where to put the documentation)
539	AC_ARG_WITH(docdir, AC_HELP_STRING([--with-docdir=PATH], [Specify where to put the documentation]),
540	[mutt_cv_docdir=$withval],
541	[mutt_cv_docdir='${datarootdir}/doc/mutt'])
542	AC_MSG_RESULT($mutt_cv_docdir)
543
544	docdir=$mutt_cv_docdir
545	AC_SUBST(docdir)
546
547	if test x$mutt_cv_setgid = xyes; then
548	DOTLOCK_GROUP='mail'
549	DOTLOCK_PERMISSION=2755
550	else
551	DOTLOCK_GROUP=''
552	DOTLOCK_PERMISSION=755
553	fi
554	AC_SUBST(DOTLOCK_GROUP)
555	AC_SUBST(DOTLOCK_PERMISSION)
556
557	AC_ARG_WITH(domain, AC_HELP_STRING([--with-domain=DOMAIN], [Specify your DNS domain name]),
558	[if test $withval != yes; then
559	if test $withval != no; then
560	AC_DEFINE_UNQUOTED(DOMAIN,"$withval",[ Define your domain name. ])
561	fi
562	fi])
563
564	need_socket="no"
565
566	dnl -- socket dependencies --
567
568	AC_ARG_ENABLE(pop, AC_HELP_STRING([--enable-pop], [Enable POP3 support]),
569	[ if test x$enableval = xyes ; then
570	AC_DEFINE(USE_POP,1,[ Define if you want support for the POP3 protocol. ])
571	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS pop.o pop_lib.o pop_auth.o"
572	need_pop="yes"
573	need_socket="yes"
574	need_md5="yes"
575	fi
576	])
577
578	AC_ARG_ENABLE(imap, AC_HELP_STRING([--enable-imap], [Enable IMAP support]),
579	[ if test x$enableval = xyes ; then
580	AC_DEFINE(USE_IMAP,1,[ Define if you want support for the IMAP protocol. ])
581	LIBIMAP="-Limap -limap"
582	LIBIMAPDEPS="\$(top_srcdir)/imap/imap.h imap/libimap.a"
583	need_imap="yes"
584	need_socket="yes"
585	need_md5="yes"
586	fi
587	])
588	AM_CONDITIONAL(BUILD_IMAP, test x$need_imap = xyes)
589
590	AC_ARG_ENABLE(smtp, AC_HELP_STRING([--enable-smtp], [include internal SMTP relay support]),
591	[if test $enableval = yes; then
592	AC_DEFINE(USE_SMTP, 1, [Include internal SMTP relay support])
593	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS smtp.o"
594	need_socket="yes"
595	fi])
596
597	if test x"$need_imap" = xyes -o x"$need_pop" = xyes ; then
598	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS bcache.o"
599	fi
600
601	dnl -- end socket dependencies --
602
603	if test "$need_socket" = "yes"
604	then
605	AC_CHECK_HEADERS([sys/select.h])
606	AC_MSG_CHECKING([for socklen_t])
607	AC_EGREP_HEADER(socklen_t, sys/socket.h, AC_MSG_RESULT([yes]),
608	AC_MSG_RESULT([no])
609	AC_DEFINE(socklen_t,int,
610	[ Define to 'int' if <sys/socket.h> doesn't have it. ]))
611	AC_CHECK_FUNC(gethostent, , AC_CHECK_LIB(nsl, gethostent))
612	AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
613	AC_CHECK_FUNCS(getaddrinfo)
614	AC_DEFINE(USE_SOCKET,1,
615	[ Include code for socket support. Set automatically if you enable POP3 or IMAP ])
616	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS account.o mutt_socket.o mutt_tunnel.o"
617	fi
618
619	dnl -- imap dependencies --
620
621	AC_ARG_WITH(gss, AC_HELP_STRING([--with-gss@<:@=PFX@:>@], [Compile in GSSAPI authentication for IMAP]),
622	gss_prefix="$withval", gss_prefix="no")
623	if test "$gss_prefix" != "no"
624	then
625	if test "$need_imap" = "yes"
626	then
627	MUTT_AM_PATH_GSSAPI(gss_prefix)
628	AC_MSG_CHECKING(GSSAPI implementation)
629	AC_MSG_RESULT($GSSAPI_IMPL)
630	if test "$GSSAPI_IMPL" = "none"
631	then
632	AC_CACHE_SAVE
633	AC_MSG_RESULT([GSSAPI libraries not found])
634	fi
635	if test "$GSSAPI_IMPL" = "Heimdal"
636	then
637	AC_DEFINE(HAVE_HEIMDAL,1,[ Define if your GSSAPI implementation is Heimdal ])
638	fi
639	CPPFLAGS="$CPPFLAGS $GSSAPI_CFLAGS"
640	MUTTLIBS="$MUTTLIBS $GSSAPI_LIBS"
641	AC_DEFINE(USE_GSS,1,[ Define if you have GSSAPI libraries available ])
642	need_gss="yes"
643	else
644	AC_MSG_WARN([GSS was requested but IMAP is not enabled])
645	fi
646	fi
647	AM_CONDITIONAL(USE_GSS, test x$need_gss = xyes)
648
649	dnl -- end imap dependencies --
650
651	AC_ARG_WITH(ssl, AC_HELP_STRING([--with-ssl@<:@=PFX@:>@], [Compile in SSL support for POP/IMAP/SMTP using OpenSSL]),
652	[ if test "$with_ssl" != "no"
653	then
654	if test "$need_socket" != "yes"; then
655	AC_MSG_WARN([SSL support is only useful with POP, IMAP or SMTP support])
656	else
657	if test "$with_ssl" != "yes"
658	then
659	LDFLAGS="$LDFLAGS -L$withval/lib"
660	CPPFLAGS="$CPPFLAGS -I$withval/include"
661	fi
662	saved_LIBS="$LIBS"
663
664	crypto_libs=""
665	AC_CHECK_LIB(z, deflate, [crypto_libs=-lz])
666	AC_CHECK_LIB(crypto, X509_new,
667	[crypto_libs="-lcrypto $crypto_libs"],, [$crypto_libs])
668	AC_CHECK_LIB(ssl, SSL_new,,
669	AC_MSG_ERROR([Unable to find SSL library]), [$crypto_libs])
670
671	LIBS="$LIBS $crypto_libs"
672	AC_CHECK_FUNCS(RAND_status RAND_egd)
673
674	AC_DEFINE(USE_SSL,1,[ Define if you want support for SSL. ])
675	AC_DEFINE(USE_SSL_OPENSSL,1,[ Define if you want support for SSL via OpenSSL. ])
676	LIBS="$saved_LIBS"
677	MUTTLIBS="$MUTTLIBS -lssl $crypto_libs"
678	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS mutt_ssl.o"
679	need_ssl=yes
680	fi
681	fi
682	])
683
684	AC_ARG_WITH([gnutls], AC_HELP_STRING([--with-gnutls@<:@=PFX@:>@], [Compile in SSL support for POP/IMAP/SMTP using gnutls]),
685	[gnutls_prefix="$withval"], [gnutls_prefix="no"])
686	if test "$gnutls_prefix" != "no" && test x"$need_ssl" != xyes
687	then
688	if test "$need_socket" != "yes"
689	then
690	AC_MSG_WARN([SSL support is only useful with POP, IMAP or SMTP support])
691	else
692	MUTT_AM_PATH_GNUTLS([$gnutls_prefix],
693	[dnl GNUTLS found
694	CPPFLAGS="$CPPFLAGS $LIBGNUTLS_CFLAGS"
695	MUTTLIBS="$MUTTLIBS $LIBGNUTLS_LIBS"
696
697	AC_DEFINE(USE_SSL,1,[ Define if you want support for SSL. ])
698	AC_DEFINE(USE_SSL_GNUTLS,1,[ Define if you want support for SSL via GNUTLS. ])
699
700	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS mutt_ssl_gnutls.o"
701	need_ssl=yes],
702	[dnl GNUTLS not found
703	AC_MSG_ERROR([could not find libgnutls])
704	])
705	fi
706	fi
707	AM_CONDITIONAL(USE_SSL, test x$need_ssl = xyes)
708
709	AC_ARG_WITH(sasl, AC_HELP_STRING([--with-sasl@<:@=PFX@:>@], [Use Cyrus SASL 2 network security library]),
710	[
711	if test "$with_sasl" != "no"
712	then
713	if test "$need_socket" != "yes"
714	then
715	AC_MSG_ERROR([SASL support is only useful with POP or IMAP support])
716	fi
717
718	if test "$with_sasl" != "yes"
719	then
720	CPPFLAGS="$CPPFLAGS -I$with_sasl/include"
721	LDFLAGS="$LDFLAGS -L$with_sasl/lib"
722	fi
723
724	saved_LIBS="$LIBS"
725
726	AC_CHECK_LIB(sasl2, sasl_client_init,,
727	AC_MSG_ERROR([could not find libsasl2]),)
728
729	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS mutt_sasl.o"
730	MUTTLIBS="$MUTTLIBS -lsasl2"
731	LIBS="$saved_LIBS"
732	AC_DEFINE(USE_SASL,1,
733	[ Define if want to use the Cyrus SASL library for POP/IMAP authentication. ])
734	need_sasl=yes
735	fi
736	])
737	AM_CONDITIONAL(USE_SASL, test x$need_sasl = xyes)
738
739	dnl -- end socket --
740
741	AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [Enable debugging support]),
742	[ if test x$enableval = xyes ; then
743	AC_DEFINE(DEBUG,1,[ Define to enable debugging info. ])
744	fi
745	])
746
747	AC_ARG_ENABLE(flock, AC_HELP_STRING([--enable-flock], [Use flock() to lock files]),
748	[if test $enableval = yes; then
749	AC_DEFINE(USE_FLOCK,1, [ Define to use flock() to lock mailboxes. ])
750	fi])
751
752	mutt_cv_fcntl=yes
753	AC_ARG_ENABLE(fcntl, AC_HELP_STRING([--disable-fcntl], [Do NOT use fcntl() to lock files]),
754	[if test $enableval = no; then mutt_cv_fcntl=no; fi])
755
756	if test $mutt_cv_fcntl = yes; then
757	AC_DEFINE(USE_FCNTL,1, [ Define to use fcntl() to lock folders. ])
758	fi
759
760	AC_MSG_CHECKING(whether struct dirent defines d_ino)
761	ac_cv_dirent_d_ino=no
762	AC_TRY_LINK([#include <dirent.h>],[struct dirent dp; (void)dp.d_ino],[ac_cv_dirent_d_ino=yes])
763	if test x$ac_cv_dirent_d_ino = xyes ; then
764	AC_DEFINE(HAVE_DIRENT_D_INO,1,
765	[Define to 1 if your system has the dirent::d_ino member])
766	fi
767	AC_MSG_RESULT($ac_cv_dirent_d_ino)
768
769	mutt_cv_warnings=yes
770	AC_ARG_ENABLE(warnings, AC_HELP_STRING([--disable-warnings], [Turn off compiler warnings (not recommended)]),
771	[if test $enableval = no; then
772	mutt_cv_warnings=no
773	fi])
774
775	if test x$GCC = xyes && test $mutt_cv_warnings = yes; then
776	CFLAGS="-Wall -pedantic -Wno-long-long $CFLAGS"
777	fi
778
779	AC_ARG_ENABLE(nfs-fix, AC_HELP_STRING([--enable-nfs-fix], [Work around an NFS with broken attributes caching]),
780	[if test x$enableval = xyes; then
781	AC_DEFINE(NFS_ATTRIBUTE_HACK,1,
782	[Define if you have problems with mutt not detecting
783	new/old mailboxes over NFS. Some NFS implementations
784	incorrectly cache the attributes of small files.])
785	fi])
786
787	AC_ARG_ENABLE(mailtool, AC_HELP_STRING([--enable-mailtool], [Enable Sun mailtool attachments support]),
788	[if test x$enableval = xyes; then
789	AC_DEFINE(SUN_ATTACHMENT,1,[ Define to enable Sun mailtool attachments support. ])
790	fi])
791
792	AC_ARG_ENABLE(locales-fix, AC_HELP_STRING([--enable-locales-fix], [The result of isprint() is unreliable]),
793	[if test x$enableval = xyes; then
794	AC_DEFINE(LOCALES_HACK,1,[ Define if the result of isprint() is unreliable. ])
795	fi])
796
797	AC_ARG_WITH(exec-shell, AC_HELP_STRING([--with-exec-shell=SHELL], [Specify alternate shell (ONLY if /bin/sh is broken)]),
798	[if test $withval != yes; then
799	AC_DEFINE_UNQUOTED(EXECSHELL, "$withval",
800	[program to use for shell commands])
801	else
802	AC_DEFINE_UNQUOTED(EXECSHELL, "/bin/sh")
803	fi],
804	[AC_DEFINE_UNQUOTED(EXECSHELL, "/bin/sh")])
805
806	AC_ARG_ENABLE(exact-address, AC_HELP_STRING([--enable-exact-address], [Enable regeneration of email addresses]),
807	[if test $enableval = yes; then
808	AC_DEFINE(EXACT_ADDRESS,1,
809	[Enable exact regeneration of email addresses as parsed?
810	NOTE: this requires significant more memory when defined.])
811
812	fi])
813
814	dnl -- start cache --
815	use_qdbm=no
816	AC_ARG_ENABLE(hcache, AC_HELP_STRING([--enable-hcache],
817	[Enable header caching]))
818	AC_ARG_WITH(qdbm, AC_HELP_STRING([--without-qdbm],
819	[Don't use qdbm even if it is available]))
820	AC_ARG_WITH(gdbm, AC_HELP_STRING([--without-gdbm],
821	[Don't use gdbm even if it is available]))
822	AC_ARG_WITH(bdb, AC_HELP_STRING([--with-bdb@<:@=DIR@:>@],
823	[Use BerkeleyDB4 if gdbm is not available]))
824
825	if test x$enable_hcache = xyes
826	then
827	AC_DEFINE(USE_HCACHE, 1, [Enable header caching])
828	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS hcache.o"
829
830	OLDCPPFLAGS="$CPPFLAGS"
831	OLDLDFLAGS="$LDFLAGS"
832	OLDLIBS="$LIBS"
833
834	need_md5="yes"
835
836	dnl -- QDBM --
837	if test "$with_qdbm" != "no"
838	then
839	if test -n "$with_qdbm" && test "$with_qdbm" != "yes"
840	then
841	if test -d $with_qdbm/include/qdbm; then
842	CPPFLAGS="$CPPFLAGS -I$with_qdbm/include/qdbm"
843	else
844	CPPFLAGS="$CPPFLAGS -I$with_qdbm/include"
845	fi
846	LDFLAGS="$LDFLAGS -L$with_qdbm/lib"
847	else
848	if test -d /usr/include/qdbm; then
849	CPPFLAGS="$CPPFLAGS -I/usr/include/qdbm"
850	fi
851	fi
852
853	saved_LIBS="$LIBS"
854	AC_CHECK_HEADERS(villa.h)
855	AC_CHECK_LIB(qdbm, vlopen,
856	[MUTTLIBS="$MUTTLIBS -lqdbm"
857	AC_DEFINE(HAVE_QDBM, 1, [QDBM Support])
858	use_qdbm=yes],
859	[CPPFLAGS="$OLDCPPFLAGS"
860	LDFLAGS="$OLDLDFLAGS"])
861	LIBS="$saved_LIBS"
862	if test -n "$with_qdbm" && test "$use_qdbm" != yes
863	then
864	AC_MSG_ERROR([QDBM could not be used. Check config.log for details.])
865	fi
866	fi
867
868	dnl -- GDBM --
869	if test x$with_gdbm != xno && test $use_qdbm != yes
870	then
871	if test "$with_gdbm" != "yes"
872	then
873	CPPFLAGS="$CPPFLAGS -I$with_gdbm/include"
874	LDFLAGS="$LDFLAGS -L$with_gdbm/lib"
875	fi
876	saved_LIBS="$LIBS"
877	LIBS="$LIBS -lgdbm"
878	AC_CACHE_CHECK(for gdbm_open, ac_cv_gdbmopen,[
879	ac_cv_gdbmopen=no
880	AC_TRY_LINK([#include <gdbm.h>],[gdbm_open(0,0,0,0,0);],[ac_cv_gdbmopen=yes])
881	])
882	LIBS="$saved_LIBS"
883	if test "$ac_cv_gdbmopen" = yes
884	then
885	AC_DEFINE(HAVE_GDBM, 1, [GDBM Support])
886	MUTTLIBS="$MUTTLIBS -lgdbm"
887	elif test -n "$with_gdbm"
888	then
889	AC_MSG_ERROR([GDBM could not be used. Check config.log for details.])
890	fi
891	fi
892
893	dnl -- BDB --
894	ac_bdb_prefix="$with_bdb"
895	if test x$ac_bdb_prefix != xno && test x$ac_cv_gdbmopen != xyes && test $use_qdbm != yes
896	then
897	if test x$ac_bdb_prefix = xyes \|\| test x$ac_bdb_prefix = x
898	then
899	ac_bdb_prefix="$mutt_cv_prefix /opt/csw/bdb4 /opt /usr/local /usr"
900	fi
901	for d in $ac_bdb_prefix; do
902	bdbpfx="$bdbpfx $d"
903	for v in BerkeleyDB.4.3 BerkeleyDB.4.2 BerkeleyDB.4.1; do
904	bdbpfx="$bdbpfx $d/$v"
905	done
906	done
907	BDB_VERSIONS="db-4 db4 db-4.6 db4.6 db46 db-4.5 db4.5 db45 db-4.4 db4.4 db44 db-4.3 db4.3 db43 db-4.2 db4.2 db42 db-4.1 db4.1 db41 db ''"
908	AC_MSG_CHECKING([for BerkeleyDB > 4.0])
909	for d in $bdbpfx; do
910	BDB_INCLUDE_DIR=""
911	BDB_LIB_DIR=""
912	for v in / $BDB_VERSIONS; do
913	if test -r "$d/include/$v/db.h"; then
914	BDB_INCLUDE_DIR="$d/include/$v"
915	for bdblibdir in "$d/lib/$v" "$d/lib"; do
916	test -d "$bdblibdir" \|\| continue
917	BDB_LIB_DIR="$bdblibdir"
918	for l in `echo $BDB_VERSIONS`; do
919	CPPFLAGS="$OLDCPPFLAGS -I$BDB_INCLUDE_DIR"
920	LIBS="$OLDLIBS -L$BDB_LIB_DIR -l$l"
921	AC_TRY_LINK([
922	#include <stdlib.h>
923	#include <db.h>
924	],[
925	DB *db = NULL;
926	db->open(db,NULL,NULL,NULL,0,0,0);
927	],[
928	ac_cv_dbcreate=yes
929	BDB_LIB="$l"
930	break
931	])
932	done
933	test x$ac_cv_dbcreate = xyes && break 2
934	done
935	fi
936	done
937	test x$BDB_LIB != x && break
938	done
939	if test x$ac_cv_dbcreate = xyes
940	then
941	AC_MSG_RESULT(yes)
942	CPPFLAGS="$OLDCPPFLAGS -I$BDB_INCLUDE_DIR"
943	LIBS="$OLDLIBS -L$BDB_LIB_DIR -l$BDB_LIB"
944	AC_DEFINE(HAVE_DB4, 1, [Berkeley DB4 Support])
945	else
946	AC_MSG_RESULT(no)
947	fi
948	fi
949
950	if test x$use_qdbm != xyes && test x$ac_cv_gdbmopen != xyes && test x$ac_cv_dbcreate != xyes
951	then
952	AC_MSG_ERROR([You need QDBM, GDBM or Berkeley DB4 for hcache])
953	fi
954	fi
955	dnl -- end cache --
956
957	if test "$need_md5" = "yes"
958	then
959	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS md5.o"
960	MUTT_MD5="mutt_md5"
961	fi
962	AC_SUBST(MUTT_MD5)
963
964	AC_SUBST(MUTTLIBS)
965	AC_SUBST(MUTT_LIB_OBJECTS)
966	AC_SUBST(LIBIMAP)
967	AC_SUBST(LIBIMAPDEPS)
968
969	dnl -- iconv/gettext --
970
971	AC_ARG_ENABLE(iconv, AC_HELP_STRING([--disable-iconv], [Disable iconv support]),
972	[if test x$enableval = xno ; then
973	am_cv_func_iconv=no
974	fi
975	])
976
977	MUTT_AM_GNU_GETTEXT
978
979	if test "$am_cv_func_iconv" != "yes"
980	then
981	AC_MSG_WARN([Configuring without iconv support. See INSTALL for details])
982	else
983
984	AC_CHECK_HEADERS(iconv.h,
985	[AC_MSG_CHECKING(whether iconv.h defines iconv_t)
986	AC_EGREP_HEADER([typedef.*iconv_t],iconv.h,
987	[AC_MSG_RESULT(yes)
988	AC_DEFINE(HAVE_ICONV_T_DEF, 1,
989	[Define if <iconv.h> defines iconv_t.])],
990	AC_MSG_RESULT(no))])
991
992	dnl (1) Some implementations of iconv won't convert from UTF-8 to UTF-8.
993	dnl (2) In glibc-2.1.2 and earlier there is a bug that messes up ob and
994	dnl obl when args 2 and 3 are 0 (fixed in glibc-2.1.3).
995	AC_CACHE_CHECK([whether this iconv is good enough], mutt_cv_iconv_good,
996	mutt_save_LIBS="$LIBS"
997	LIBS="$LIBS $LIBICONV"
998	AC_TRY_RUN([
999	#include <iconv.h>
1000	int main()
1001	{
1002	iconv_t cd;
1003	changequote(, )dnl
1004	char buf[4];
1005	changequote([, ])dnl
1006	char *ob;
1007	size_t obl;
1008	ob = buf, obl = sizeof(buf);
1009	return ((cd = iconv_open("UTF-8", "UTF-8")) != (iconv_t)(-1) &&
1010	(iconv(cd, 0, 0, &ob, &obl) \|\|
1011	!(ob == buf && obl == sizeof(buf)) \|\|
1012	iconv_close(cd)));
1013	}
1014	],
1015	mutt_cv_iconv_good=yes,
1016	mutt_cv_iconv_good=no,
1017	mutt_cv_iconv_good=yes)
1018	LIBS="$mutt_save_LIBS")
1019	if test "$mutt_cv_iconv_good" = no; then
1020	AC_MSG_ERROR(Try using libiconv instead)
1021	fi
1022
1023	dnl This is to detect implementations such as the one in glibc-2.1,
1024	dnl which always convert exactly but return the number of characters
1025	dnl converted instead of the number converted inexactly.
1026	AC_CACHE_CHECK([whether iconv is non-transcribing], mutt_cv_iconv_nontrans,
1027	mutt_save_LIBS="$LIBS"
1028	LIBS="$LIBS $LIBICONV"
1029	AC_TRY_RUN([
1030	#include <iconv.h>
1031	#include <string.h>
1032	int main()
1033	{
1034	iconv_t cd;
1035	const char *ib;
1036	char *ob;
1037	size_t ibl, obl;
1038	const char *s = "\304\211";
1039	changequote(, )dnl
1040	char t[3];
1041	changequote([, ])dnl
1042	ib = s, ibl = 2, ob = t, obl = 3;
1043	return ((cd = iconv_open("UTF-8", "UTF-8")) == (iconv_t)(-1) \|\|
1044	iconv(cd, &ib, &ibl, &ob, &obl));
1045	}
1046	],
1047	mutt_cv_iconv_nontrans=no,
1048	mutt_cv_iconv_nontrans=yes,
1049	mutt_cv_iconv_nontrans=no)
1050	LIBS="$mutt_save_LIBS")
1051	if test "$mutt_cv_iconv_nontrans" = yes; then
1052	AC_DEFINE(ICONV_NONTRANS, 1)
1053	else
1054	AC_DEFINE(ICONV_NONTRANS, 0)
1055	fi
1056
1057	CPPFLAGS="$CPPFLAGS -I\$(top_srcdir)/intl"
1058
1059	if test "$BUILD_INCLUDED_LIBINTL" = "yes"; then
1060	AC_DEFINE(HAVE_BIND_TEXTDOMAIN_CODESET,1,
1061	[ Define if your gettext has bind_textdomain_codeset. ])
1062	else
1063	mutt_save_LIBS="$LIBS"
1064	LIBS="$LIBS $INTLLIBS"
1065	AC_CHECK_FUNCS(bind_textdomain_codeset)
1066	LIBS="$mutt_save_LIBS"
1067	fi
1068
1069	fi # libiconv
1070
1071	dnl -- IDN depends on iconv
1072
1073	AC_ARG_WITH(idn, AC_HELP_STRING([--with-idn=@<:@PFX@:>@], [Use GNU libidn for domain names]),
1074	[
1075	if test "$with_idn" != "no" ; then
1076	if test "$with_idn" != "yes" ; then
1077	CPPFLAGS="$CPPFLAGS -I$with_idn/include"
1078	LDFLAGS="$LDFLAGS -L$with_idn/lib"
1079	fi
1080	fi
1081	]
1082	)
1083
1084	if test "x$with_idn" != "xno"; then
1085	if test "$am_cv_func_iconv" != "yes"
1086	then
1087	if test "x$with_idn" != "x"
1088	then
1089	AC_MSG_ERROR([IDN requested but iconv is disabled or unavailable])
1090	fi
1091	else
1092	AC_CHECK_LIB(idn, stringprep_check_version)
1093	AC_CHECK_FUNCS(idna_to_unicode_utf8_from_utf8 idna_to_unicode_8z8z)
1094	AC_CHECK_FUNCS(idna_to_ascii_from_utf8 idna_to_ascii_8z)
1095	AC_CHECK_FUNCS(idna_to_ascii_lz idna_to_ascii_from_locale)
1096	fi
1097	fi
1098
1099	dnl -- locales --
1100
1101	AC_CHECK_HEADERS(wchar.h)
1102
1103	AC_CACHE_CHECK([for wchar_t], mutt_cv_wchar_t,
1104	AC_TRY_COMPILE([
1105	#include <stddef.h>
1106	#include <stdlib.h>
1107	#ifdef HAVE_WCHAR_H
1108	#include <wchar.h>
1109	#endif
1110	],
1111	[ wchar_t wc; return 0; ],
1112	mutt_cv_wchar_t=yes,
1113	mutt_cv_wchar_t=no))
1114
1115	if test "$mutt_cv_wchar_t" = no; then
1116	AC_DEFINE(wchar_t,int,[ Define to 'int' if system headers don't define. ])
1117	fi
1118
1119	AC_CACHE_CHECK([for wint_t], mutt_cv_wint_t,
1120	AC_TRY_COMPILE([
1121	#include <stddef.h>
1122	#include <stdlib.h>
1123	#ifdef HAVE_WCHAR_H
1124	#include <wchar.h>
1125	#endif
1126	],
1127	[ wint_t wc; return 0; ],
1128	mutt_cv_wint_t=yes,
1129	mutt_cv_wint_t=no))
1130
1131	if test "$mutt_cv_wint_t" = no; then
1132	AC_DEFINE(wint_t,int,[ Define to 'int' if system headers don't define. ])
1133	fi
1134
1135	AC_CHECK_HEADERS(wctype.h)
1136	AC_CHECK_FUNCS(iswalnum iswalpha iswcntrl iswdigit)
1137	AC_CHECK_FUNCS(iswgraph iswlower iswprint iswpunct iswspace iswupper)
1138	AC_CHECK_FUNCS(iswxdigit towupper towlower)
1139
1140	AC_CACHE_CHECK([for mbstate_t], mutt_cv_mbstate_t,
1141	AC_TRY_COMPILE([
1142	#include <stddef.h>
1143	#include <stdlib.h>
1144	#ifdef HAVE_WCHAR_H
1145	#include <wchar.h>
1146	#endif
1147	],
1148	[ mbstate_t s; return 0; ],
1149	mutt_cv_mbstate_t=yes,
1150	mutt_cv_mbstate_t=no))
1151
1152	if test "$mutt_cv_mbstate_t" = no; then
1153	AC_DEFINE(mbstate_t,int,[ Define to 'int' if system headers don't define. ])
1154	fi
1155
1156	wc_funcs=maybe
1157	AC_ARG_WITH(wc-funcs, AC_HELP_STRING([--without-wc-funcs], [Do not use the system's wchar_t functions]),
1158	wc_funcs=$withval)
1159
1160	if test "$wc_funcs" != yes && test "$wc_funcs" != no; then
1161	AC_CACHE_CHECK([for wchar_t functions], mutt_cv_wc_funcs,
1162	mutt_cv_wc_funcs=no
1163	AC_TRY_LINK([
1164	#define _XOPEN_SOURCE 1
1165	#include <stddef.h>
1166	#include <stdlib.h>
1167	#ifdef HAVE_WCTYPE_H
1168	#include <wctype.h>
1169	#endif
1170	#ifdef HAVE_WCHAR_H
1171	#include <wchar.h>
1172	#endif],
1173	[mbrtowc(0, 0, 0, 0); wctomb(0, 0); wcwidth(0);
1174	iswprint(0); iswspace(0); towlower(0); towupper(0); iswalnum(0)],
1175	mutt_cv_wc_funcs=yes))