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 to disable use of locale functions
72 [Undefine if you don't want locale features. By default this is defined.])
73 AC_ARG_ENABLE([locale],
74 AC_HELP_STRING([--disable-locale], [turn off locale features]),
75 [if test x$enableval = xyes; then
81 dnl Do you want client-side support for using SASL for authentication?
82 dnl Note that this code will be enabled for SMTP
83 AC_ARG_WITH(cyrus-sasl, AS_HELP_STRING([--with-cyrus-sasl],
84 [Enable SASL support via the Cyrus SASL library]))
85 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
86 AC_DEFINE(CYRUS_SASL, 1,
87 [Define to use the Cyrus SASL library for authentication of SMTP.])dnl
88 if test x"$with_cyrus_sasl" != xyes; then
89 AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
90 AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])
97 dnl Do you want client-side support for encryption with TLS?
98 AC_ARG_WITH(tls, AS_HELP_STRING([--with-tls], [Enable TLS support]))
99 if test x"$with_tls" != x -a x"$with_tls" != x"no"; then
100 AC_DEFINE(TLS_SUPPORT, 1, [Support TLS for session encryption.])dnl
106 dnl What should be the default editor?
108 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
110 if test -n "$with_editor"; then
111 editorpath="$with_editor"
114 dnl Set the backup prefix
115 AC_ARG_WITH([hash-backup],
116 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
117 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
122 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix",
123 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
125 dnl What method of locking to use?
127 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
128 [specify the file locking method]))
130 if test x"$with_locking" = x"dot"; then
132 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
133 elif test x"$with_locking" = x"flock"; then
135 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
136 elif test x"$with_locking" = x"lockf"; then
138 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
139 elif test x"$with_locking" = x"fcntl"; then
141 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
144 AC_DEFINE(DOT_LOCKING)dnl
147 dnl What method of posting should post use?
148 dnl We'll always use sendmail now. (mmh)
150 dnl #AC_SUBST(MTS)dnl
152 dnl Both the smtp and sendmail mail transport services use the smtp code
153 AC_DEFINE(SMTPMTS, 1,
154 [Define if you want SMTP (simple mail transport protocol) support.])dnl
156 dnl What should be the default pager?
158 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
160 if test -n "$with_pager"; then
161 pagerpath="$with_pager"
164 dnl What should be the default mail server(s)?
165 AC_ARG_WITH(smtpservers,
166 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
167 [specify the default SMTP server(s) @<:@localhost@:>@]))
168 if test -n "$with_smtpservers"; then
169 smtpservers="$with_smtpservers"
171 smtpservers="localhost"
173 AC_SUBST(smtpservers)dnl
175 dnl ----------------------------------------------------
176 dnl Default location is /usr/local/mmh/{bin,etc,lib,share/man}
177 dnl ----------------------------------------------------
178 AC_PREFIX_DEFAULT(/usr/local/mmh)
181 dnl ------------------
182 dnl CHECK THE COMPILER
183 dnl ------------------
184 dnl We want these before the checks,
185 dnl so the checks can modify their values.
186 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
187 if test x"$enable_debug" = x"yes"; then
188 test -z "$LDFLAGS" && LDFLAGS=-g
193 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
194 [nmh_saved_cflags="$CFLAGS"
195 CFLAGS="$CFLAGS -Wno-pointer-sign"
196 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
197 CFLAGS="$nmh_saved_cflags"])
199 dnl if the user hasn't specified CFLAGS, then
200 dnl if compiler is gcc, then
201 dnl use -O2 and some warning flags
203 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
204 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
205 dnl spurious and which in any case we don't want to deal with now.
206 if test "$nmh_cv_has_noptrsign" = "yes"; then
207 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
209 nmh_gcc_warnflags="-Wall"
212 if test -n "$auto_cflags"; then
213 if test x"$enable_debug" = x"yes"; then
214 if test -n "$GCC"; then
215 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
217 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
220 if test -z "$LDFLAGS"; then
230 if test -n "$GCC"; then
231 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
233 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
238 AC_C_CONST dnl Does compiler support `const'.
240 dnl ------------------
241 dnl CHECK FOR PROGRAMS
242 dnl ------------------
243 AC_PROG_MAKE_SET dnl Does make define $MAKE
244 AC_PROG_INSTALL dnl Check for BSD compatible `install'
245 AC_PROG_RANLIB dnl Check for `ranlib'
246 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
247 AC_PROG_LEX dnl Check for lex/flex
250 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
251 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
253 dnl ----------------------------------------------
254 dnl check for lclint, and lint if it doesn't exist
255 dnl ----------------------------------------------
256 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
257 if test x$ac_cv_prog_linttmp1 != xno ; then
258 LINT=$ac_cv_prog_linttmp1
259 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
261 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
262 if test x$ac_cv_prog_linttmp2 != xno ; then
263 LINT=$ac_cv_prog_linttmp2
266 LINT="echo 'No lint program found'"
271 AC_SUBST(LINTFLAGS)dnl
273 dnl try to figure out which one we've got
274 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
277 dnl Check for lorder and tsort commands
278 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
279 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
281 dnl If either doesn't exist, replace them with echo and cat
282 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
287 dnl Mac OS X has lorder, but sh is too broken for it to work
288 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
291 dnl AC_SUBST(LORDER)dnl
292 dnl AC_SUBST(TSORT)dnl
295 dnl Check whether tsort can deal with loops
296 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
297 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
300 nmh_cv_tsort_loop=yes
302 if test x$nmh_cv_tsort_loop = xno ; then
310 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
311 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
313 dnl See how we get ls to display the owner and the group
314 if test "$lspath" != "no"; then
315 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
317 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
318 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
319 dnl ls, it would seem -l gave us both the user and group. On this type of
320 dnl ls, -g makes _only_ the group be displayed (and not the user).
321 nmh_cv_ls_grpopt="-l"
323 dnl Looks like -l only gave us the user, so we need -g to get the group too.
324 nmh_cv_ls_grpopt="-lg"
329 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
330 AC_PATH_PROG(morepath, more, no, [$pathtmp])
332 dnl If pager is not specified yet,
333 dnl then use `more' as the default.
334 if test -z "$pagerpath"; then
335 pagerpath="$morepath"
337 AC_SUBST(pagerpath)dnl
339 dnl Look for `sendmail'
340 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
341 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
344 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
345 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
347 dnl If editor is not specified yet,
348 dnl then use `vi' as the default.
349 if test -z "$editorpath"; then
352 AC_SUBST(editorpath)dnl
354 dnl ----------------------------------------------------------
355 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
356 dnl ----------------------------------------------------------
357 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
358 [for mailspool in /var/mail dnl
361 /dev/null; dnl Just in case we fall through
363 test -d $mailspool && break
365 nmh_cv_mailspool=$mailspool
367 mailspool=$nmh_cv_mailspool
368 AC_SUBST(mailspool)dnl
370 dnl See whether the mail spool directory is world-writable.
371 if test "$lspath" != "no" -a "$cutpath" != "no"; then
372 AC_CACHE_CHECK(whether the mail spool is world-writable,
373 nmh_cv_mailspool_world_writable,
374 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
375 nmh_cv_mailspool_world_writable=no
377 nmh_cv_mailspool_world_writable=yes
381 dnl Also, check for liblockfile (as found on Debian systems)
382 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
384 dnl and whether its companion program dotlockfile is setgid
385 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
386 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
387 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
388 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
389 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
390 nmh_cv_dotlockfile_setgid=yes
392 nmh_cv_dotlockfile_setgid=no
397 dnl If mailspool is not world-writable and dotlockfile is not setgid,
398 dnl we need to #define MAILGROUP to 1 and make inc setgid.
399 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
400 dnl do we really need both of these?
401 AC_DEFINE(MAILGROUP,1,
402 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
405 AC_SUBST(SETGID_MAIL)dnl
407 dnl Use ls to see which group owns the mail spool directory.
408 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
409 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
411 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
412 AC_SUBST(MAIL_SPOOL_GRP)dnl
414 dnl ------------------
415 dnl CHECK HEADER FILES
416 dnl ------------------
418 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
419 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
420 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
421 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
422 dnl declared; if so they should have an entry added to this case statement.
423 dnl NB that we must define this on the compiler command line, not in config.h,
424 dnl because it must be set before any system header is included and there's no
425 dnl portable way to make sure that files generated by lex include config.h
426 dnl before system header files.
430 # Like DEFS, but doesn't get stomped on by configure when using config.h:
431 OURDEFS="$OURDEFS -D_GNU_SOURCE"
442 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
443 limits.h crypt.h termcap.h termio.h termios.h locale.h \
444 langinfo.h wchar.h wctype.h iconv.h netdb.h \
445 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
446 arpa/inet.h arpa/ftp.h)
449 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
450 dnl really use a whole set of them, but this check should be
453 AC_CHECK_HEADER(libio.h, [
454 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
455 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
457 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
458 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
459 [[#if HAVE_SYS_STREAM_H
460 # include <sys/stream.h>
468 AC_CHECK_LIB(mkstemp,mkstemp)
469 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
470 sighold sigrelse writev lstat uname tzset killpg mkstemp \
471 getutent nl_langinfo mbtowc wcwidth)
473 dnl sigsetjmp may be a macro
474 AC_MSG_CHECKING(for sigsetjmp)
475 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
476 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
477 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
480 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
482 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
483 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
484 dnl any system header.
486 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
487 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
489 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
490 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
491 AC_EGREP_HEADER(initgroups, unistd.h,
492 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
494 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
495 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
496 dnl seems to work perfectly and IBM apparently uses it in internal code).
497 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
498 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
499 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
501 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
502 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
504 dnl Check for multibyte character set support
505 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
506 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
507 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
508 [Define to enable support for multibyte character sets.])
511 dnl -------------------
512 dnl CHECK FOR LIBRARIES
513 dnl -------------------
514 dnl Check location of modf
515 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
517 dnl Checks for network libraries (nsl, socket)
520 termcap_curses_order="termcap curses ncurses"
521 for lib in $termcap_curses_order; do
522 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
530 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
531 if test "x$ac_cv_header_iconv_h" = "xyes"; then
532 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
533 if test "x$ac_found_iconv" = "xno"; then
534 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
535 if test "x$ac_found_iconv" = "xno"; then
536 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
538 if test "x$ac_found_iconv" != "xno"; then
542 dnl Handle case where there is a native iconv but iconv.h is from libiconv
543 AC_CHECK_DECL(_libiconv_version,
544 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
545 [ #include <iconv.h> ])
548 if test "x$ac_found_iconv" = xyes; then
549 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
552 dnl Check if iconv uses const in prototype declaration
553 if test "x$ac_found_iconv" = "xyes"; then
554 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
555 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
556 #include <iconv.h>]],
560 #if defined(__STDC__) || defined(__cplusplus)
561 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
565 [ac_cv_iconv_const=],
566 [ac_cv_iconv_const=const])])
567 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
568 [Define as const if the declaration of iconv() needs const.])
575 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
576 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
577 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
578 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
580 if test "$nmh_ndbm" = "autodetect"; then
581 if test "$nmh_ndbmheader" != "autodetect"; then
582 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
585 dnl There are at least four implementations of ndbm, and
586 dnl several of those can be in different places at the whim
587 dnl of the system integrator. A good summary of this mess
588 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
590 dnl Classic ndbm with no library required (eg NetBSD): try this
591 dnl first so we don't accidentally link in a pointless but harmless
592 dnl library in one of the later ndbm.h+libfoo tests:
593 NMH_CHECK_NDBM(ndbm.h,,,
594 dnl Berkeley DBv2 emulating ndbm: header in db.h:
595 NMH_CHECK_NDBM(db.h,db,,
596 dnl Berkeley DBv1 emulating ndbm:
597 NMH_CHECK_NDBM(ndbm.h,db,,
598 NMH_CHECK_NDBM(ndbm.h,db1,,
600 NMH_CHECK_NDBM(ndbm.h,ndbm,,
601 dnl glibc2.1 systems put db1 in a subdir:
602 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
603 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
604 dnl and possibly needing gbdm_compat library:
605 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
606 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
607 NMH_CHECK_NDBM(ndbm.h,gdbm,,
608 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
612 dnl We don't really need to check that the user-specified values work,
613 dnl but it is a convenience to the user to bomb out early rather than
614 dnl after configure and half the compile process.
615 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
618 if test "$nmh_ndbm_found" = "no"; then
619 AC_MSG_ERROR([could not find a working ndbm library/header combination])
621 dnl Now export the lib/header to our makefile/config.h:
622 if test x"$nmh_ndbmheader" != x; then
623 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
624 [Define to the header containing the ndbm API prototypes.])
626 if test x"$nmh_ndbm" != x; then
627 NDBM_LIBS="-l$nmh_ndbm"
635 dnl --------------------
636 dnl CHECK FOR CYRUS-SASL
637 dnl --------------------
639 AS_IF([test x"$sasl_support" = x"yes"],[
640 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
641 AC_CHECK_LIB([sasl2], [sasl_client_new], ,
642 [AC_MSG_ERROR([Cyrus SASL library not found])])])
644 dnl -----------------
645 dnl CHECK FOR OPENSSL
646 dnl -----------------
648 AS_IF([test x"$tls_support" = x"yes"],[
649 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
650 AC_CHECK_LIB([crypto], [BIO_write], ,
651 [AC_MSG_ERROR([OpenSSL crypto library not found])])
652 AC_CHECK_LIB([ssl], [SSL_library_init], ,
653 [AC_MSG_ERROR([OpenSSL library not found])])])
655 dnl ---------------------
656 dnl CHECK TERMCAP LIBRARY
657 dnl ---------------------
659 dnl Add the termcap library, so that the following configure
660 dnl tests will find it when it tries to link test programs.
661 nmh_save_LIBS="$LIBS"
662 LIBS="$TERMLIB $LIBS"
664 dnl Checks for external variable ospeed in the termcap library.
665 AC_CACHE_CHECK(if an include file defines ospeed,
666 nmh_cv_decl_ospeed_include_defines,
667 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
673 #endif]], [[ospeed = 0;]])],
674 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
676 if test $nmh_cv_decl_ospeed_include_defines = no; then
677 AC_CACHE_CHECK(if you must define ospeed,
678 nmh_cv_decl_ospeed_must_define,
679 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
680 [[extern short ospeed; ospeed = 0;]])],
681 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
684 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
685 if test $nmh_cv_decl_ospeed_include_defines = yes; then
686 AC_DEFINE(HAVE_OSPEED)dnl
687 elif test $nmh_cv_decl_ospeed_must_define = yes; then
688 AC_DEFINE(HAVE_OSPEED)
689 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
690 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
693 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
694 dnl Some termcaps reportedly accept a zero buffer, but then dump core
696 dnl Under Cygwin test program crashes but exit code is still 0. So,
697 dnl we test for a file that porgram should create
698 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
699 [Define to 1 if tgetent() accepts NULL as a buffer.])
700 AC_CACHE_CHECK(if tgetent accepts NULL,
701 nmh_cv_func_tgetent_accepts_null,
706 int r1 = tgetent(buf, "vt100");
707 int r2 = tgetent((char*)0,"vt100");
708 if (r1 >= 0 && r1 == r2) {
712 creat("conftest.tgetent", 0640);
714 exit((r1 != r2) || r2 == -1);
717 if test -f conftest.tgetent; then
718 nmh_cv_func_tgetent_accepts_null=yes
720 nmh_cv_func_tgetent_accepts_null=no
722 nmh_cv_func_tgetent_accepts_null=no,
723 nmh_cv_func_tgetent_accepts_null=no)])
724 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
725 AC_DEFINE(TGETENT_ACCEPTS_NULL)
727 AC_CACHE_CHECK(if tgetent returns 0 on success,
728 nmh_cv_func_tgetent_zero_success,
733 int r1 = tgetent(buf, "!@#$%^&*");
734 int r2 = tgetent(buf, "vt100");
735 if (r1 < 0 && r2 == 0) {
739 creat("conftest.tgetent0", 0640);
744 if test -f conftest.tgetent0; then
745 nmh_cv_func_tgetent_zero_success=yes
747 nmh_cv_func_tgetent_zero_success=no
749 nmh_cv_func_tgetent_zero_success=no,
750 nmh_cv_func_tgetent_zero_success=no)])
751 AH_TEMPLATE([TGETENT_SUCCESS],
752 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
753 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
754 AC_DEFINE(TGETENT_SUCCESS, 0)
756 AC_DEFINE(TGETENT_SUCCESS, 1)
759 dnl Now put the libraries back to what it was before we
760 dnl starting checking the termcap library.
761 LIBS="$nmh_save_LIBS"
773 dnl Check for sigset_t. Currently I'm looking in
774 dnl <sys/types.h> and <signal.h>. Others might need
776 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
777 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
778 #include <signal.h>]], [[sigset_t tempsigset;]])],
779 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
780 if test $nmh_cv_type_sigset_t = no; then
781 AC_DEFINE(sigset_t, unsigned int,
782 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
788 AC_CHECK_MEMBERS(struct stat.st_blksize)
790 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
791 [#ifdef TIME_WITH_SYS_TIME
792 # include <sys/time.h>
795 # ifdef TM_IN_SYS_TIME
796 # include <sys/time.h>
802 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
804 AC_MSG_CHECKING(for union wait)
805 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
806 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
807 #include <sys/wait.h>]],
808 [[union wait status; int pid; pid = wait (&status);
810 /* Some POSIXoid systems have both the new-style macros and the old
811 union wait type, and they do not work together. If union wait
812 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
813 if (WEXITSTATUS (status) != 0) pid = -1;
815 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
816 -- blow chunks here --
820 /* Make sure union wait works with waitpid. */
821 pid = waitpid (-1, &status, 0);
824 [nmh_cv_union_wait=yes],
825 [nmh_cv_union_wait=no])])
826 if test "$nmh_cv_union_wait" = yes; then
827 AC_DEFINE(HAVE_UNION_WAIT, 1,
828 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
830 AC_MSG_RESULT($nmh_cv_union_wait)
832 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
837 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
838 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
839 AC_MSG_CHECKING(what style of signals to use)
840 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
841 signals_style=POSIX_SIGNALS
842 AC_DEFINE(POSIX_SIGNALS, 1,
843 [Define to 1 if you use POSIX style signal handling.])
844 AC_DEFINE(RELIABLE_SIGNALS)
845 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
846 signals_style=BSD_SIGNALS
847 AC_DEFINE(BSD_SIGNALS,1,
848 [Define to 1 if you use BSD style signal handling (and can block signals).])
849 AC_DEFINE(RELIABLE_SIGNALS)
850 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
851 signals_style=SYSV_SIGNALS
852 AC_DEFINE(SYSV_SIGNALS,1,
853 [Define to 1 if you use SYSV style signal handling (and can block signals).])
855 signals_style=NO_SIGNAL_BLOCKING
856 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
857 [Define to 1 if you have no signal blocking at all (bummer).])
860 AC_MSG_RESULT($signals_style)
862 dnl Where is <signal.h> located? Needed as input for signames.awk
863 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
864 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
865 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
866 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
867 /usr/include/linux/signal.h dnl Linux up to 1.2.11
868 /usr/include/sys/signal.h dnl Almost everybody else
869 /dev/null; dnl Just in case we fall through
871 test -f $SIGNAL_H && \
872 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
875 nmh_cv_path_signal_h=$SIGNAL_H
877 SIGNAL_H=$nmh_cv_path_signal_h
878 AC_SUBST(SIGNAL_H)dnl
881 dnl OS SPECIFIC DEFINES
883 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
884 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
885 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
886 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
887 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
928 AC_DEFINE(SCO_5_STDIO)
936 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
937 mts/Makefile mts/smtp/Makefile \
938 etc/Makefile docs/Makefile man/Makefile)
939 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
942 dnl These odd looking assignments are done to expand out unexpanded
943 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
944 dnl but expanding that gives '${prefix}/share/man', so we need to expand
945 dnl again to get the final answer.
946 dnl We only use the expanded versions to print the install paths in
947 dnl the final summary and should use them nowhere else (see the autoconf
948 dnl docs for the rationale for bindir etc being unexpanded).
949 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
950 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
951 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
952 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
957 nmh version : AC_PACKAGE_VERSION
958 target os : ${target}
960 compiler flags : ${CFLAGS}
961 linker flags : ${LDFLAGS}
962 definitions : ${OURDEFS}
963 source code location : ${srcdir}
964 binary install path : ${nmhbin}
965 library install path : ${nmhlib}
966 config files install path : ${nmhsysconf}
967 man page install path : ${nmhman}
968 backup prefix : ${backup_prefix}
969 transport system : ${MTS}
970 file locking type : ${LOCKTYPE}
971 default smtp servers : ${smtpservers}
972 default editor : ${editorpath}
973 default pager : ${pagerpath}
974 email address masquerading : ${masquerade}
975 SASL support : ${sasl_support}
976 TLS support : ${tls_support}"