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="$with_pager"
164 dnl ----------------------------------------------------
165 dnl Default location is /usr/local/mmh/{bin,etc,lib,share/man}
166 dnl ----------------------------------------------------
167 AC_PREFIX_DEFAULT(/usr/local/mmh)
170 dnl ------------------
171 dnl CHECK THE COMPILER
172 dnl ------------------
173 dnl We want these before the checks,
174 dnl so the checks can modify their values.
175 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
176 if test x"$enable_debug" = x"yes"; then
177 test -z "$LDFLAGS" && LDFLAGS=-g
182 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
183 [nmh_saved_cflags="$CFLAGS"
184 CFLAGS="$CFLAGS -Wno-pointer-sign"
185 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
186 CFLAGS="$nmh_saved_cflags"])
188 dnl if the user hasn't specified CFLAGS, then
189 dnl if compiler is gcc, then
190 dnl use -O2 and some warning flags
192 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
193 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
194 dnl spurious and which in any case we don't want to deal with now.
195 if test "$nmh_cv_has_noptrsign" = "yes"; then
196 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
198 nmh_gcc_warnflags="-Wall"
201 if test -n "$auto_cflags"; then
202 if test x"$enable_debug" = x"yes"; then
203 if test -n "$GCC"; then
204 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
206 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
209 if test -z "$LDFLAGS"; then
219 if test -n "$GCC"; then
220 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
222 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
227 AC_C_CONST dnl Does compiler support `const'.
229 dnl ------------------
230 dnl CHECK FOR PROGRAMS
231 dnl ------------------
232 AC_PROG_MAKE_SET dnl Does make define $MAKE
233 AC_PROG_INSTALL dnl Check for BSD compatible `install'
234 AC_PROG_RANLIB dnl Check for `ranlib'
235 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
236 AC_PROG_LEX dnl Check for lex/flex
239 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
240 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
242 dnl ----------------------------------------------
243 dnl check for lclint, and lint if it doesn't exist
244 dnl ----------------------------------------------
245 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
246 if test x$ac_cv_prog_linttmp1 != xno ; then
247 LINT=$ac_cv_prog_linttmp1
248 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
250 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
251 if test x$ac_cv_prog_linttmp2 != xno ; then
252 LINT=$ac_cv_prog_linttmp2
255 LINT="echo 'No lint program found'"
260 AC_SUBST(LINTFLAGS)dnl
262 dnl try to figure out which one we've got
263 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
266 dnl Check for lorder and tsort commands
267 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
268 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
270 dnl If either doesn't exist, replace them with echo and cat
271 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
276 dnl Mac OS X has lorder, but sh is too broken for it to work
277 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
280 dnl AC_SUBST(LORDER)dnl
281 dnl AC_SUBST(TSORT)dnl
284 dnl Check whether tsort can deal with loops
285 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
286 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
289 nmh_cv_tsort_loop=yes
291 if test x$nmh_cv_tsort_loop = xno ; then
299 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
300 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
302 dnl See how we get ls to display the owner and the group
303 if test "$lspath" != "no"; then
304 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
306 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
307 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
308 dnl ls, it would seem -l gave us both the user and group. On this type of
309 dnl ls, -g makes _only_ the group be displayed (and not the user).
310 nmh_cv_ls_grpopt="-l"
312 dnl Looks like -l only gave us the user, so we need -g to get the group too.
313 nmh_cv_ls_grpopt="-lg"
318 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
319 AC_PATH_PROG(morepath, more, no, [$pathtmp])
321 dnl If pager is not specified yet,
322 dnl then use `more' as the default.
323 if test -z "$pagerpath"; then
324 pagerpath="$morepath"
326 AC_SUBST(pagerpath)dnl
328 dnl Look for `sendmail'
329 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
330 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
333 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
334 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
336 dnl If editor is not specified yet,
337 dnl then use `vi' as the default.
338 if test -z "$editorpath"; then
341 AC_SUBST(editorpath)dnl
343 dnl ----------------------------------------------------------
344 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
345 dnl ----------------------------------------------------------
346 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
347 [for mailspool in /var/mail dnl
350 /dev/null; dnl Just in case we fall through
352 test -d $mailspool && break
354 nmh_cv_mailspool=$mailspool
356 mailspool=$nmh_cv_mailspool
357 AC_SUBST(mailspool)dnl
359 dnl See whether the mail spool directory is world-writable.
360 if test "$lspath" != "no" -a "$cutpath" != "no"; then
361 AC_CACHE_CHECK(whether the mail spool is world-writable,
362 nmh_cv_mailspool_world_writable,
363 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
364 nmh_cv_mailspool_world_writable=no
366 nmh_cv_mailspool_world_writable=yes
370 dnl Also, check for liblockfile (as found on Debian systems)
371 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
373 dnl and whether its companion program dotlockfile is setgid
374 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
375 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
376 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
377 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
378 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
379 nmh_cv_dotlockfile_setgid=yes
381 nmh_cv_dotlockfile_setgid=no
386 dnl If mailspool is not world-writable and dotlockfile is not setgid,
387 dnl we need to #define MAILGROUP to 1 and make inc setgid.
388 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
389 dnl do we really need both of these?
390 AC_DEFINE(MAILGROUP,1,
391 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
394 AC_SUBST(SETGID_MAIL)dnl
396 dnl Use ls to see which group owns the mail spool directory.
397 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
398 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
400 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
401 AC_SUBST(MAIL_SPOOL_GRP)dnl
403 dnl ------------------
404 dnl CHECK HEADER FILES
405 dnl ------------------
407 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
408 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
409 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
410 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
411 dnl declared; if so they should have an entry added to this case statement.
412 dnl NB that we must define this on the compiler command line, not in config.h,
413 dnl because it must be set before any system header is included and there's no
414 dnl portable way to make sure that files generated by lex include config.h
415 dnl before system header files.
419 # Like DEFS, but doesn't get stomped on by configure when using config.h:
420 OURDEFS="$OURDEFS -D_GNU_SOURCE"
431 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
432 limits.h crypt.h termcap.h termio.h termios.h locale.h \
433 langinfo.h wchar.h wctype.h iconv.h netdb.h \
434 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
435 arpa/inet.h arpa/ftp.h)
438 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
439 dnl really use a whole set of them, but this check should be
442 AC_CHECK_HEADER(libio.h, [
443 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
444 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
446 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
447 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
448 [[#if HAVE_SYS_STREAM_H
449 # include <sys/stream.h>
457 AC_CHECK_LIB(mkstemp,mkstemp)
458 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
459 sighold sigrelse writev lstat uname tzset killpg mkstemp \
460 getutent nl_langinfo mbtowc wcwidth)
462 dnl sigsetjmp may be a macro
463 AC_MSG_CHECKING(for sigsetjmp)
464 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
465 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
466 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
469 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
471 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
472 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
473 dnl any system header.
475 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
476 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
478 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
479 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
480 AC_EGREP_HEADER(initgroups, unistd.h,
481 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
483 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
484 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
485 dnl seems to work perfectly and IBM apparently uses it in internal code).
486 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
487 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
488 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
490 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
491 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
493 dnl Check for multibyte character set support
494 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
495 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
496 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
497 [Define to enable support for multibyte character sets.])
500 dnl -------------------
501 dnl CHECK FOR LIBRARIES
502 dnl -------------------
503 dnl Check location of modf
504 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
506 dnl Checks for network libraries (nsl, socket)
509 termcap_curses_order="termcap curses ncurses"
510 for lib in $termcap_curses_order; do
511 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
519 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
520 if test "x$ac_cv_header_iconv_h" = "xyes"; then
521 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
522 if test "x$ac_found_iconv" = "xno"; then
523 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
524 if test "x$ac_found_iconv" = "xno"; then
525 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
527 if test "x$ac_found_iconv" != "xno"; then
531 dnl Handle case where there is a native iconv but iconv.h is from libiconv
532 AC_CHECK_DECL(_libiconv_version,
533 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
534 [ #include <iconv.h> ])
537 if test "x$ac_found_iconv" = xyes; then
538 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
541 dnl Check if iconv uses const in prototype declaration
542 if test "x$ac_found_iconv" = "xyes"; then
543 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
544 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
545 #include <iconv.h>]],
549 #if defined(__STDC__) || defined(__cplusplus)
550 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
554 [ac_cv_iconv_const=],
555 [ac_cv_iconv_const=const])])
556 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
557 [Define as const if the declaration of iconv() needs const.])
564 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
565 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
566 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
567 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
569 if test "$nmh_ndbm" = "autodetect"; then
570 if test "$nmh_ndbmheader" != "autodetect"; then
571 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
574 dnl There are at least four implementations of ndbm, and
575 dnl several of those can be in different places at the whim
576 dnl of the system integrator. A good summary of this mess
577 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
579 dnl Classic ndbm with no library required (eg NetBSD): try this
580 dnl first so we don't accidentally link in a pointless but harmless
581 dnl library in one of the later ndbm.h+libfoo tests:
582 NMH_CHECK_NDBM(ndbm.h,,,
583 dnl Berkeley DBv2 emulating ndbm: header in db.h:
584 NMH_CHECK_NDBM(db.h,db,,
585 dnl Berkeley DBv1 emulating ndbm:
586 NMH_CHECK_NDBM(ndbm.h,db,,
587 NMH_CHECK_NDBM(ndbm.h,db1,,
589 NMH_CHECK_NDBM(ndbm.h,ndbm,,
590 dnl glibc2.1 systems put db1 in a subdir:
591 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
592 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
593 dnl and possibly needing gbdm_compat library:
594 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
595 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
596 NMH_CHECK_NDBM(ndbm.h,gdbm,,
597 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
601 dnl We don't really need to check that the user-specified values work,
602 dnl but it is a convenience to the user to bomb out early rather than
603 dnl after configure and half the compile process.
604 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
607 if test "$nmh_ndbm_found" = "no"; then
608 AC_MSG_ERROR([could not find a working ndbm library/header combination])
610 dnl Now export the lib/header to our makefile/config.h:
611 if test x"$nmh_ndbmheader" != x; then
612 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
613 [Define to the header containing the ndbm API prototypes.])
615 if test x"$nmh_ndbm" != x; then
616 NDBM_LIBS="-l$nmh_ndbm"
624 dnl --------------------
625 dnl CHECK FOR CYRUS-SASL
626 dnl --------------------
628 AS_IF([test x"$sasl_support" = x"yes"],[
629 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
630 AC_CHECK_LIB([sasl2], [sasl_client_new], ,
631 [AC_MSG_ERROR([Cyrus SASL library not found])])])
633 dnl -----------------
634 dnl CHECK FOR OPENSSL
635 dnl -----------------
637 AS_IF([test x"$tls_support" = x"yes"],[
638 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
639 AC_CHECK_LIB([crypto], [BIO_write], ,
640 [AC_MSG_ERROR([OpenSSL crypto library not found])])
641 AC_CHECK_LIB([ssl], [SSL_library_init], ,
642 [AC_MSG_ERROR([OpenSSL library not found])])])
644 dnl ---------------------
645 dnl CHECK TERMCAP LIBRARY
646 dnl ---------------------
648 dnl Add the termcap library, so that the following configure
649 dnl tests will find it when it tries to link test programs.
650 nmh_save_LIBS="$LIBS"
651 LIBS="$TERMLIB $LIBS"
653 dnl Checks for external variable ospeed in the termcap library.
654 AC_CACHE_CHECK(if an include file defines ospeed,
655 nmh_cv_decl_ospeed_include_defines,
656 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
662 #endif]], [[ospeed = 0;]])],
663 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
665 if test $nmh_cv_decl_ospeed_include_defines = no; then
666 AC_CACHE_CHECK(if you must define ospeed,
667 nmh_cv_decl_ospeed_must_define,
668 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
669 [[extern short ospeed; ospeed = 0;]])],
670 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
673 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
674 if test $nmh_cv_decl_ospeed_include_defines = yes; then
675 AC_DEFINE(HAVE_OSPEED)dnl
676 elif test $nmh_cv_decl_ospeed_must_define = yes; then
677 AC_DEFINE(HAVE_OSPEED)
678 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
679 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
682 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
683 dnl Some termcaps reportedly accept a zero buffer, but then dump core
685 dnl Under Cygwin test program crashes but exit code is still 0. So,
686 dnl we test for a file that porgram should create
687 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
688 [Define to 1 if tgetent() accepts NULL as a buffer.])
689 AC_CACHE_CHECK(if tgetent accepts NULL,
690 nmh_cv_func_tgetent_accepts_null,
695 int r1 = tgetent(buf, "vt100");
696 int r2 = tgetent((char*)0,"vt100");
697 if (r1 >= 0 && r1 == r2) {
701 creat("conftest.tgetent", 0640);
703 exit((r1 != r2) || r2 == -1);
706 if test -f conftest.tgetent; then
707 nmh_cv_func_tgetent_accepts_null=yes
709 nmh_cv_func_tgetent_accepts_null=no
711 nmh_cv_func_tgetent_accepts_null=no,
712 nmh_cv_func_tgetent_accepts_null=no)])
713 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
714 AC_DEFINE(TGETENT_ACCEPTS_NULL)
716 AC_CACHE_CHECK(if tgetent returns 0 on success,
717 nmh_cv_func_tgetent_zero_success,
722 int r1 = tgetent(buf, "!@#$%^&*");
723 int r2 = tgetent(buf, "vt100");
724 if (r1 < 0 && r2 == 0) {
728 creat("conftest.tgetent0", 0640);
733 if test -f conftest.tgetent0; then
734 nmh_cv_func_tgetent_zero_success=yes
736 nmh_cv_func_tgetent_zero_success=no
738 nmh_cv_func_tgetent_zero_success=no,
739 nmh_cv_func_tgetent_zero_success=no)])
740 AH_TEMPLATE([TGETENT_SUCCESS],
741 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
742 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
743 AC_DEFINE(TGETENT_SUCCESS, 0)
745 AC_DEFINE(TGETENT_SUCCESS, 1)
748 dnl Now put the libraries back to what it was before we
749 dnl starting checking the termcap library.
750 LIBS="$nmh_save_LIBS"
762 dnl Check for sigset_t. Currently I'm looking in
763 dnl <sys/types.h> and <signal.h>. Others might need
765 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
766 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
767 #include <signal.h>]], [[sigset_t tempsigset;]])],
768 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
769 if test $nmh_cv_type_sigset_t = no; then
770 AC_DEFINE(sigset_t, unsigned int,
771 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
777 AC_CHECK_MEMBERS(struct stat.st_blksize)
779 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
780 [#ifdef TIME_WITH_SYS_TIME
781 # include <sys/time.h>
784 # ifdef TM_IN_SYS_TIME
785 # include <sys/time.h>
791 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
793 AC_MSG_CHECKING(for union wait)
794 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
795 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
796 #include <sys/wait.h>]],
797 [[union wait status; int pid; pid = wait (&status);
799 /* Some POSIXoid systems have both the new-style macros and the old
800 union wait type, and they do not work together. If union wait
801 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
802 if (WEXITSTATUS (status) != 0) pid = -1;
804 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
805 -- blow chunks here --
809 /* Make sure union wait works with waitpid. */
810 pid = waitpid (-1, &status, 0);
813 [nmh_cv_union_wait=yes],
814 [nmh_cv_union_wait=no])])
815 if test "$nmh_cv_union_wait" = yes; then
816 AC_DEFINE(HAVE_UNION_WAIT, 1,
817 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
819 AC_MSG_RESULT($nmh_cv_union_wait)
821 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
826 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
827 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
828 AC_MSG_CHECKING(what style of signals to use)
829 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
830 signals_style=POSIX_SIGNALS
831 AC_DEFINE(POSIX_SIGNALS, 1,
832 [Define to 1 if you use POSIX style signal handling.])
833 AC_DEFINE(RELIABLE_SIGNALS)
834 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
835 signals_style=BSD_SIGNALS
836 AC_DEFINE(BSD_SIGNALS,1,
837 [Define to 1 if you use BSD style signal handling (and can block signals).])
838 AC_DEFINE(RELIABLE_SIGNALS)
839 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
840 signals_style=SYSV_SIGNALS
841 AC_DEFINE(SYSV_SIGNALS,1,
842 [Define to 1 if you use SYSV style signal handling (and can block signals).])
844 signals_style=NO_SIGNAL_BLOCKING
845 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
846 [Define to 1 if you have no signal blocking at all (bummer).])
849 AC_MSG_RESULT($signals_style)
851 dnl Where is <signal.h> located? Needed as input for signames.awk
852 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
853 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
854 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
855 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
856 /usr/include/linux/signal.h dnl Linux up to 1.2.11
857 /usr/include/sys/signal.h dnl Almost everybody else
858 /dev/null; dnl Just in case we fall through
860 test -f $SIGNAL_H && \
861 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
864 nmh_cv_path_signal_h=$SIGNAL_H
866 SIGNAL_H=$nmh_cv_path_signal_h
867 AC_SUBST(SIGNAL_H)dnl
870 dnl OS SPECIFIC DEFINES
872 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
873 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
874 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
875 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
876 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
917 AC_DEFINE(SCO_5_STDIO)
925 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
926 mts/Makefile mts/smtp/Makefile \
927 etc/Makefile docs/Makefile man/Makefile)
928 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
931 dnl These odd looking assignments are done to expand out unexpanded
932 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
933 dnl but expanding that gives '${prefix}/share/man', so we need to expand
934 dnl again to get the final answer.
935 dnl We only use the expanded versions to print the install paths in
936 dnl the final summary and should use them nowhere else (see the autoconf
937 dnl docs for the rationale for bindir etc being unexpanded).
938 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
939 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
940 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
941 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
946 nmh version : AC_PACKAGE_VERSION
947 target os : ${target}
949 compiler flags : ${CFLAGS}
950 linker flags : ${LDFLAGS}
951 definitions : ${OURDEFS}
952 source code location : ${srcdir}
953 binary install path : ${nmhbin}
954 library install path : ${nmhlib}
955 config files install path : ${nmhsysconf}
956 man page install path : ${nmhman}
957 backup prefix : ${backup_prefix}
958 transport system : ${MTS}
959 file locking type : ${LOCKTYPE}
960 default editor : ${editorpath}
961 default pager : ${pagerpath}
962 email address masquerading : ${masquerade}
963 SASL support : ${sasl_support}
964 TLS support : ${tls_support}"