2 dnl configure.in -- autoconf template for nmh
8 AC_INIT(mmh, m4_normalize(m4_include([VERSION])))
9 AC_CONFIG_SRCDIR(h/nmh.h)
10 AC_CONFIG_HEADER(config.h)
14 dnl ---------------------
15 dnl define a macro or two
16 dnl ---------------------
18 AC_DEFUN(NMH_PROG_GNU_LIBTOOL, [
19 if test -n "$LIBTOOL" ; then
20 tmptest=`$LIBTOOL --version 2>&1 | grep GNU`
21 if test x"$tmptest" != x ; then
23 AC_SUBST(GNU_LIBTOOL)dnl
28 echo "configuring for AC_PACKAGE_NAME-AC_PACKAGE_VERSION"
29 AC_SUBST(VERSION,AC_PACKAGE_VERSION)dnl
31 dnl What date of nmh are we building?
32 DATE=`cat ${srcdir}/DATE`
33 echo "configuring for nmh dated $DATE"
36 dnl --------------------------
37 dnl CHECK COMMAND LINE OPTIONS
38 dnl --------------------------
40 dnl Do you want to debug nmh?
42 AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
43 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
44 if test x"$enable_nmh_debug" = x"yes"; then
48 dnl Allow users to send email from addresses other than their default?
49 AC_ARG_ENABLE(masquerade,
50 AS_HELP_STRING([--enable-masquerade='draft_from mmailid username_extension'],
51 [enable up to 3 types of address masquerading]),
52 [if test x"$enable_masquerade" = x"yes"; then
53 masquerade="draft_from mmailid username_extension"
55 masquerade="$enable_masquerade"
56 fi], [masquerade="draft_from mmailid username_extension"])
57 AC_SUBST(masquerade)dnl
59 dnl Do you want mhe support?
61 AS_HELP_STRING([--disable-mhe],[disable mhe support]))
63 dnl mhe support is on by default, so define it unless --disable-mhe or the
64 dnl deprecated, undocumented --disable-nmh-mhe are specified.
65 if test x"$enable_mhe" != x"no" -a x"$enable_nmh_mhe" != x"no"; then
67 [Define to compile in support for the Emacs front-end mh-e.])dnl
70 dnl Do you want client-side support for pop?
72 AS_HELP_STRING([--enable-pop], [enable client-side support for plain POP3]))
73 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
74 if test x"$enable_nmh_pop" = x"yes"; then
78 dnl Do you want to disable use of locale functions
80 [Undefine if you don't want locale features. By default this is defined.])
81 AC_ARG_ENABLE([locale],
82 AC_HELP_STRING([--disable-locale], [turn off locale features]),
83 [if test x$enableval = xyes; then
89 dnl Do you want client-side support for using SASL for authentication?
90 dnl Note that this code will be enabled for both POP and SMTP
91 AC_ARG_WITH(cyrus-sasl, AS_HELP_STRING([--with-cyrus-sasl],
92 [Enable SASL support via the Cyrus SASL library]))
93 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
94 AC_DEFINE(CYRUS_SASL, 1,
95 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
96 if test x"$with_cyrus_sasl" != xyes; then
97 AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
98 AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])
105 dnl Do you want client-side support for encryption with TLS?
106 AC_ARG_WITH(tls, AS_HELP_STRING([--with-tls], [Enable TLS support]))
107 if test x"$with_tls" != x -a x"$with_tls" != x"no"; then
108 AC_DEFINE(TLS_SUPPORT, 1, [Support TLS for session encryption.])dnl
114 dnl What should be the default editor?
116 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
118 if test -n "$with_editor"; then
119 editorpath="$with_editor"
122 dnl Set the backup prefix
123 AC_ARG_WITH([hash-backup],
124 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
125 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
130 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix",
131 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
133 dnl After we know if we're including apop and kpop support, do pop stuff
134 if test x"$enable_pop" = x"yes"; then
136 [Define this to compile client-side support for pop into inc and msgchk.])dnl
138 POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
140 POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
145 dnl What method of locking to use?
147 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
148 [specify the file locking method]))
150 if test x"$with_locking" = x"dot"; then
152 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
153 elif test x"$with_locking" = x"flock"; then
155 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
156 elif test x"$with_locking" = x"lockf"; then
158 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
159 elif test x"$with_locking" = x"fcntl"; then
161 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
164 AC_DEFINE(DOT_LOCKING)dnl
167 dnl What method of posting should post use?
168 dnl We'll always use sendmail now. (mmh)
170 dnl #AC_SUBST(MTS)dnl
172 dnl Both the smtp and sendmail mail transport services use the smtp code
173 AC_DEFINE(SMTPMTS, 1,
174 [Define if you want SMTP (simple mail transport protocol) support.])dnl
176 dnl What should be the default pager?
178 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
180 if test -n "$with_pager"; then
181 pagerpath="$with_pager"
184 dnl What should be the default mail server(s)?
185 AC_ARG_WITH(smtpservers,
186 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
187 [specify the default SMTP server(s) @<:@localhost@:>@]))
188 if test -n "$with_smtpservers"; then
189 smtpservers="$with_smtpservers"
191 smtpservers="localhost"
193 AC_SUBST(smtpservers)dnl
195 dnl ----------------------------------------------------
196 dnl Default location is /usr/local/mmh/{bin,etc,lib,share/man}
197 dnl ----------------------------------------------------
198 AC_PREFIX_DEFAULT(/usr/local/mmh)
201 dnl ------------------
202 dnl CHECK THE COMPILER
203 dnl ------------------
204 dnl We want these before the checks,
205 dnl so the checks can modify their values.
206 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
207 if test x"$enable_debug" = x"yes"; then
208 test -z "$LDFLAGS" && LDFLAGS=-g
213 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
214 [nmh_saved_cflags="$CFLAGS"
215 CFLAGS="$CFLAGS -Wno-pointer-sign"
216 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
217 CFLAGS="$nmh_saved_cflags"])
219 dnl if the user hasn't specified CFLAGS, then
220 dnl if compiler is gcc, then
221 dnl use -O2 and some warning flags
223 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
224 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
225 dnl spurious and which in any case we don't want to deal with now.
226 if test "$nmh_cv_has_noptrsign" = "yes"; then
227 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
229 nmh_gcc_warnflags="-Wall"
232 if test -n "$auto_cflags"; then
233 if test x"$enable_debug" = x"yes"; then
234 if test -n "$GCC"; then
235 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
237 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
240 if test -z "$LDFLAGS"; then
250 if test -n "$GCC"; then
251 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
253 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
258 AC_C_CONST dnl Does compiler support `const'.
260 dnl ------------------
261 dnl CHECK FOR PROGRAMS
262 dnl ------------------
263 AC_PROG_MAKE_SET dnl Does make define $MAKE
264 AC_PROG_INSTALL dnl Check for BSD compatible `install'
265 AC_PROG_RANLIB dnl Check for `ranlib'
266 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
267 AC_PROG_LEX dnl Check for lex/flex
270 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
271 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
273 dnl ----------------------------------------------
274 dnl check for lclint, and lint if it doesn't exist
275 dnl ----------------------------------------------
276 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
277 if test x$ac_cv_prog_linttmp1 != xno ; then
278 LINT=$ac_cv_prog_linttmp1
279 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
281 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
282 if test x$ac_cv_prog_linttmp2 != xno ; then
283 LINT=$ac_cv_prog_linttmp2
286 LINT="echo 'No lint program found'"
291 AC_SUBST(LINTFLAGS)dnl
293 dnl try to figure out which one we've got
294 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
297 dnl Check for lorder and tsort commands
298 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
299 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
301 dnl If either doesn't exist, replace them with echo and cat
302 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
307 dnl Mac OS X has lorder, but sh is too broken for it to work
308 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
311 dnl AC_SUBST(LORDER)dnl
312 dnl AC_SUBST(TSORT)dnl
315 dnl Check whether tsort can deal with loops
316 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
317 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
320 nmh_cv_tsort_loop=yes
322 if test x$nmh_cv_tsort_loop = xno ; then
330 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
331 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
333 dnl See how we get ls to display the owner and the group
334 if test "$lspath" != "no"; then
335 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
337 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
338 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
339 dnl ls, it would seem -l gave us both the user and group. On this type of
340 dnl ls, -g makes _only_ the group be displayed (and not the user).
341 nmh_cv_ls_grpopt="-l"
343 dnl Looks like -l only gave us the user, so we need -g to get the group too.
344 nmh_cv_ls_grpopt="-lg"
349 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
350 AC_PATH_PROG(morepath, more, no, [$pathtmp])
352 dnl If pager is not specified yet,
353 dnl then use `more' as the default.
354 if test -z "$pagerpath"; then
355 pagerpath="$morepath"
357 AC_SUBST(pagerpath)dnl
359 dnl Look for `sendmail'
360 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
361 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
364 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
365 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
367 dnl If editor is not specified yet,
368 dnl then use `vi' as the default.
369 if test -z "$editorpath"; then
372 AC_SUBST(editorpath)dnl
374 dnl ----------------------------------------------------------
375 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
376 dnl ----------------------------------------------------------
377 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
378 [for mailspool in /var/mail dnl
381 /dev/null; dnl Just in case we fall through
383 test -d $mailspool && break
385 nmh_cv_mailspool=$mailspool
387 mailspool=$nmh_cv_mailspool
388 AC_SUBST(mailspool)dnl
390 dnl See whether the mail spool directory is world-writable.
391 if test "$lspath" != "no" -a "$cutpath" != "no"; then
392 AC_CACHE_CHECK(whether the mail spool is world-writable,
393 nmh_cv_mailspool_world_writable,
394 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
395 nmh_cv_mailspool_world_writable=no
397 nmh_cv_mailspool_world_writable=yes
401 dnl Also, check for liblockfile (as found on Debian systems)
402 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
404 dnl and whether its companion program dotlockfile is setgid
405 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
406 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
407 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
408 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
409 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
410 nmh_cv_dotlockfile_setgid=yes
412 nmh_cv_dotlockfile_setgid=no
417 dnl If mailspool is not world-writable and dotlockfile is not setgid,
418 dnl we need to #define MAILGROUP to 1 and make inc setgid.
419 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
420 dnl do we really need both of these?
421 AC_DEFINE(MAILGROUP,1,
422 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
425 AC_SUBST(SETGID_MAIL)dnl
427 dnl Use ls to see which group owns the mail spool directory.
428 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
429 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
431 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
432 AC_SUBST(MAIL_SPOOL_GRP)dnl
434 dnl ------------------
435 dnl CHECK HEADER FILES
436 dnl ------------------
438 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
439 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
440 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
441 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
442 dnl declared; if so they should have an entry added to this case statement.
443 dnl NB that we must define this on the compiler command line, not in config.h,
444 dnl because it must be set before any system header is included and there's no
445 dnl portable way to make sure that files generated by lex include config.h
446 dnl before system header files.
450 # Like DEFS, but doesn't get stomped on by configure when using config.h:
451 OURDEFS="$OURDEFS -D_GNU_SOURCE"
462 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
463 limits.h crypt.h termcap.h termio.h termios.h locale.h \
464 langinfo.h wchar.h wctype.h iconv.h netdb.h \
465 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
466 arpa/inet.h arpa/ftp.h)
469 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
470 dnl really use a whole set of them, but this check should be
473 AC_CHECK_HEADER(libio.h, [
474 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
475 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
477 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
478 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
479 [[#if HAVE_SYS_STREAM_H
480 # include <sys/stream.h>
488 AC_CHECK_LIB(mkstemp,mkstemp)
489 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
490 sighold sigrelse writev lstat uname tzset killpg mkstemp \
491 getutent nl_langinfo mbtowc wcwidth)
493 dnl sigsetjmp may be a macro
494 AC_MSG_CHECKING(for sigsetjmp)
495 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
496 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
497 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
500 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
502 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
503 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
504 dnl any system header.
506 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
507 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
509 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
510 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
511 AC_EGREP_HEADER(initgroups, unistd.h,
512 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
514 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
515 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
516 dnl seems to work perfectly and IBM apparently uses it in internal code).
517 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
518 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
519 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
521 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
522 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
524 dnl Check for multibyte character set support
525 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
526 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
527 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
528 [Define to enable support for multibyte character sets.])
531 dnl -------------------
532 dnl CHECK FOR LIBRARIES
533 dnl -------------------
534 dnl Check location of modf
535 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
537 dnl Checks for network libraries (nsl, socket)
540 termcap_curses_order="termcap curses ncurses"
541 for lib in $termcap_curses_order; do
542 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
550 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
551 if test "x$ac_cv_header_iconv_h" = "xyes"; then
552 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
553 if test "x$ac_found_iconv" = "xno"; then
554 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
555 if test "x$ac_found_iconv" = "xno"; then
556 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
558 if test "x$ac_found_iconv" != "xno"; then
562 dnl Handle case where there is a native iconv but iconv.h is from libiconv
563 AC_CHECK_DECL(_libiconv_version,
564 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
565 [ #include <iconv.h> ])
568 if test "x$ac_found_iconv" = xyes; then
569 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
572 dnl Check if iconv uses const in prototype declaration
573 if test "x$ac_found_iconv" = "xyes"; then
574 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
575 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
576 #include <iconv.h>]],
580 #if defined(__STDC__) || defined(__cplusplus)
581 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
585 [ac_cv_iconv_const=],
586 [ac_cv_iconv_const=const])])
587 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
588 [Define as const if the declaration of iconv() needs const.])
595 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
596 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
597 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
598 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
600 if test "$nmh_ndbm" = "autodetect"; then
601 if test "$nmh_ndbmheader" != "autodetect"; then
602 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
605 dnl There are at least four implementations of ndbm, and
606 dnl several of those can be in different places at the whim
607 dnl of the system integrator. A good summary of this mess
608 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
610 dnl Classic ndbm with no library required (eg NetBSD): try this
611 dnl first so we don't accidentally link in a pointless but harmless
612 dnl library in one of the later ndbm.h+libfoo tests:
613 NMH_CHECK_NDBM(ndbm.h,,,
614 dnl Berkeley DBv2 emulating ndbm: header in db.h:
615 NMH_CHECK_NDBM(db.h,db,,
616 dnl Berkeley DBv1 emulating ndbm:
617 NMH_CHECK_NDBM(ndbm.h,db,,
618 NMH_CHECK_NDBM(ndbm.h,db1,,
620 NMH_CHECK_NDBM(ndbm.h,ndbm,,
621 dnl glibc2.1 systems put db1 in a subdir:
622 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
623 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
624 dnl and possibly needing gbdm_compat library:
625 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
626 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
627 NMH_CHECK_NDBM(ndbm.h,gdbm,,
628 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
632 dnl We don't really need to check that the user-specified values work,
633 dnl but it is a convenience to the user to bomb out early rather than
634 dnl after configure and half the compile process.
635 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
638 if test "$nmh_ndbm_found" = "no"; then
639 AC_MSG_ERROR([could not find a working ndbm library/header combination])
641 dnl Now export the lib/header to our makefile/config.h:
642 if test x"$nmh_ndbmheader" != x; then
643 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
644 [Define to the header containing the ndbm API prototypes.])
646 if test x"$nmh_ndbm" != x; then
647 NDBM_LIBS="-l$nmh_ndbm"
655 dnl --------------------
656 dnl CHECK FOR CYRUS-SASL
657 dnl --------------------
659 AS_IF([test x"$sasl_support" = x"yes"],[
660 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
661 AC_CHECK_LIB([sasl2], [sasl_client_new], ,
662 [AC_MSG_ERROR([Cyrus SASL library not found])])])
664 dnl -----------------
665 dnl CHECK FOR OPENSSL
666 dnl -----------------
668 AS_IF([test x"$tls_support" = x"yes"],[
669 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
670 AC_CHECK_LIB([crypto], [BIO_write], ,
671 [AC_MSG_ERROR([OpenSSL crypto library not found])])
672 AC_CHECK_LIB([ssl], [SSL_library_init], ,
673 [AC_MSG_ERROR([OpenSSL library not found])])])
675 dnl ---------------------
676 dnl CHECK TERMCAP LIBRARY
677 dnl ---------------------
679 dnl Add the termcap library, so that the following configure
680 dnl tests will find it when it tries to link test programs.
681 nmh_save_LIBS="$LIBS"
682 LIBS="$TERMLIB $LIBS"
684 dnl Checks for external variable ospeed in the termcap library.
685 AC_CACHE_CHECK(if an include file defines ospeed,
686 nmh_cv_decl_ospeed_include_defines,
687 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
693 #endif]], [[ospeed = 0;]])],
694 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
696 if test $nmh_cv_decl_ospeed_include_defines = no; then
697 AC_CACHE_CHECK(if you must define ospeed,
698 nmh_cv_decl_ospeed_must_define,
699 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
700 [[extern short ospeed; ospeed = 0;]])],
701 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
704 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
705 if test $nmh_cv_decl_ospeed_include_defines = yes; then
706 AC_DEFINE(HAVE_OSPEED)dnl
707 elif test $nmh_cv_decl_ospeed_must_define = yes; then
708 AC_DEFINE(HAVE_OSPEED)
709 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
710 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
713 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
714 dnl Some termcaps reportedly accept a zero buffer, but then dump core
716 dnl Under Cygwin test program crashes but exit code is still 0. So,
717 dnl we test for a file that porgram should create
718 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
719 [Define to 1 if tgetent() accepts NULL as a buffer.])
720 AC_CACHE_CHECK(if tgetent accepts NULL,
721 nmh_cv_func_tgetent_accepts_null,
726 int r1 = tgetent(buf, "vt100");
727 int r2 = tgetent((char*)0,"vt100");
728 if (r1 >= 0 && r1 == r2) {
732 creat("conftest.tgetent", 0640);
734 exit((r1 != r2) || r2 == -1);
737 if test -f conftest.tgetent; then
738 nmh_cv_func_tgetent_accepts_null=yes
740 nmh_cv_func_tgetent_accepts_null=no
742 nmh_cv_func_tgetent_accepts_null=no,
743 nmh_cv_func_tgetent_accepts_null=no)])
744 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
745 AC_DEFINE(TGETENT_ACCEPTS_NULL)
747 AC_CACHE_CHECK(if tgetent returns 0 on success,
748 nmh_cv_func_tgetent_zero_success,
753 int r1 = tgetent(buf, "!@#$%^&*");
754 int r2 = tgetent(buf, "vt100");
755 if (r1 < 0 && r2 == 0) {
759 creat("conftest.tgetent0", 0640);
764 if test -f conftest.tgetent0; then
765 nmh_cv_func_tgetent_zero_success=yes
767 nmh_cv_func_tgetent_zero_success=no
769 nmh_cv_func_tgetent_zero_success=no,
770 nmh_cv_func_tgetent_zero_success=no)])
771 AH_TEMPLATE([TGETENT_SUCCESS],
772 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
773 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
774 AC_DEFINE(TGETENT_SUCCESS, 0)
776 AC_DEFINE(TGETENT_SUCCESS, 1)
779 dnl Now put the libraries back to what it was before we
780 dnl starting checking the termcap library.
781 LIBS="$nmh_save_LIBS"
793 dnl Check for sigset_t. Currently I'm looking in
794 dnl <sys/types.h> and <signal.h>. Others might need
796 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
797 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
798 #include <signal.h>]], [[sigset_t tempsigset;]])],
799 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
800 if test $nmh_cv_type_sigset_t = no; then
801 AC_DEFINE(sigset_t, unsigned int,
802 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
808 AC_CHECK_MEMBERS(struct stat.st_blksize)
810 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
811 [#ifdef TIME_WITH_SYS_TIME
812 # include <sys/time.h>
815 # ifdef TM_IN_SYS_TIME
816 # include <sys/time.h>
822 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
824 AC_MSG_CHECKING(for union wait)
825 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
826 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
827 #include <sys/wait.h>]],
828 [[union wait status; int pid; pid = wait (&status);
830 /* Some POSIXoid systems have both the new-style macros and the old
831 union wait type, and they do not work together. If union wait
832 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
833 if (WEXITSTATUS (status) != 0) pid = -1;
835 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
836 -- blow chunks here --
840 /* Make sure union wait works with waitpid. */
841 pid = waitpid (-1, &status, 0);
844 [nmh_cv_union_wait=yes],
845 [nmh_cv_union_wait=no])])
846 if test "$nmh_cv_union_wait" = yes; then
847 AC_DEFINE(HAVE_UNION_WAIT, 1,
848 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
850 AC_MSG_RESULT($nmh_cv_union_wait)
852 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
857 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
858 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
859 AC_MSG_CHECKING(what style of signals to use)
860 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
861 signals_style=POSIX_SIGNALS
862 AC_DEFINE(POSIX_SIGNALS, 1,
863 [Define to 1 if you use POSIX style signal handling.])
864 AC_DEFINE(RELIABLE_SIGNALS)
865 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
866 signals_style=BSD_SIGNALS
867 AC_DEFINE(BSD_SIGNALS,1,
868 [Define to 1 if you use BSD style signal handling (and can block signals).])
869 AC_DEFINE(RELIABLE_SIGNALS)
870 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
871 signals_style=SYSV_SIGNALS
872 AC_DEFINE(SYSV_SIGNALS,1,
873 [Define to 1 if you use SYSV style signal handling (and can block signals).])
875 signals_style=NO_SIGNAL_BLOCKING
876 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
877 [Define to 1 if you have no signal blocking at all (bummer).])
880 AC_MSG_RESULT($signals_style)
882 dnl Where is <signal.h> located? Needed as input for signames.awk
883 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
884 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
885 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
886 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
887 /usr/include/linux/signal.h dnl Linux up to 1.2.11
888 /usr/include/sys/signal.h dnl Almost everybody else
889 /dev/null; dnl Just in case we fall through
891 test -f $SIGNAL_H && \
892 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
895 nmh_cv_path_signal_h=$SIGNAL_H
897 SIGNAL_H=$nmh_cv_path_signal_h
898 AC_SUBST(SIGNAL_H)dnl
901 dnl OS SPECIFIC DEFINES
903 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
904 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
905 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
906 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
907 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
948 AC_DEFINE(SCO_5_STDIO)
956 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
957 mts/Makefile mts/smtp/Makefile \
958 etc/Makefile docs/Makefile man/Makefile)
959 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
962 dnl These odd looking assignments are done to expand out unexpanded
963 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
964 dnl but expanding that gives '${prefix}/share/man', so we need to expand
965 dnl again to get the final answer.
966 dnl We only use the expanded versions to print the install paths in
967 dnl the final summary and should use them nowhere else (see the autoconf
968 dnl docs for the rationale for bindir etc being unexpanded).
969 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
970 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
971 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
972 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
975 if test x"$enable_pop" = x"yes"; then
978 if test x"$enable_apop" = x"yes"; then
979 pop_kinds="${pop_kinds}APOP "
982 pop_kinds="${pop_kinds}POP3)"
988 nmh version : AC_PACKAGE_VERSION
989 target os : ${target}
991 compiler flags : ${CFLAGS}
992 linker flags : ${LDFLAGS}
993 definitions : ${OURDEFS}
994 source code location : ${srcdir}
995 binary install path : ${nmhbin}
996 library install path : ${nmhlib}
997 config files install path : ${nmhsysconf}
998 man page install path : ${nmhman}
999 backup prefix : ${backup_prefix}
1000 transport system : ${MTS}
1001 file locking type : ${LOCKTYPE}
1002 default smtp servers : ${smtpservers}
1003 default editor : ${editorpath}
1004 default pager : ${pagerpath}
1005 email address masquerading : ${masquerade}
1006 pop is enabled : ${pop_kinds}
1007 SASL support : ${sasl_support}
1008 TLS support : ${tls_support}"