2 dnl configure.in -- autoconf template for nmh
8 AC_INIT(nmh, 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"$with_locking" = x"fcntl"; then
161 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
164 AC_DEFINE(DOT_LOCKING)dnl
167 dnl What method of posting should post use?
169 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
170 [specify the default mail transport agent/service]))
172 if test x"$with_mts" = x"smtp"; then
174 elif test x"$with_mts" = x"sendmail"; then
181 dnl Both the smtp and sendmail mail transport services use the smtp code
182 AC_DEFINE(SMTPMTS, 1,
183 [Define if you want SMTP (simple mail transport protocol) support.])dnl
185 dnl What should be the default pager?
187 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
189 if test -n "$with_pager"; then
190 pagerpath="$with_pager"
193 dnl What should be the default mail server(s)?
194 AC_ARG_WITH(smtpservers,
195 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
196 [specify the default SMTP server(s) @<:@localhost@:>@]))
197 if test -n "$with_smtpservers"; then
198 smtpservers="$with_smtpservers"
200 smtpservers="localhost"
202 AC_SUBST(smtpservers)dnl
204 dnl ----------------------------------------------------
205 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
206 dnl ----------------------------------------------------
207 AC_PREFIX_DEFAULT(/usr/local/nmh)
209 dnl ------------------
210 dnl CHECK THE COMPILER
211 dnl ------------------
212 dnl We want these before the checks,
213 dnl so the checks can modify their values.
214 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
215 if test x"$enable_debug" = x"yes"; then
216 test -z "$LDFLAGS" && LDFLAGS=-g
221 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
222 [nmh_saved_cflags="$CFLAGS"
223 CFLAGS="$CFLAGS -Wno-pointer-sign"
224 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
225 CFLAGS="$nmh_saved_cflags"])
227 dnl if the user hasn't specified CFLAGS, then
228 dnl if compiler is gcc, then
229 dnl use -O2 and some warning flags
231 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
232 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
233 dnl spurious and which in any case we don't want to deal with now.
234 if test "$nmh_cv_has_noptrsign" = "yes"; then
235 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
237 nmh_gcc_warnflags="-Wall"
240 if test -n "$auto_cflags"; then
241 if test x"$enable_debug" = x"yes"; then
242 if test -n "$GCC"; then
243 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
245 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
248 if test -z "$LDFLAGS"; then
258 if test -n "$GCC"; then
259 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
261 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
266 AC_C_CONST dnl Does compiler support `const'.
268 dnl ------------------
269 dnl CHECK FOR PROGRAMS
270 dnl ------------------
271 AC_PROG_MAKE_SET dnl Does make define $MAKE
272 AC_PROG_INSTALL dnl Check for BSD compatible `install'
273 AC_PROG_RANLIB dnl Check for `ranlib'
274 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
275 AC_PROG_LEX dnl Check for lex/flex
278 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
279 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
281 dnl ----------------------------------------------
282 dnl check for lclint, and lint if it doesn't exist
283 dnl ----------------------------------------------
284 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
285 if test x$ac_cv_prog_linttmp1 != xno ; then
286 LINT=$ac_cv_prog_linttmp1
287 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
289 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
290 if test x$ac_cv_prog_linttmp2 != xno ; then
291 LINT=$ac_cv_prog_linttmp2
294 LINT="echo 'No lint program found'"
299 AC_SUBST(LINTFLAGS)dnl
301 dnl try to figure out which one we've got
302 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
305 dnl Check for lorder and tsort commands
306 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
307 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
309 dnl If either doesn't exist, replace them with echo and cat
310 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
315 dnl Mac OS X has lorder, but sh is too broken for it to work
316 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
319 dnl AC_SUBST(LORDER)dnl
320 dnl AC_SUBST(TSORT)dnl
323 dnl Check whether tsort can deal with loops
324 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
325 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
328 nmh_cv_tsort_loop=yes
330 if test x$nmh_cv_tsort_loop = xno ; then
338 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
339 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
341 dnl See how we get ls to display the owner and the group
342 if test "$lspath" != "no"; then
343 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
345 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
346 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
347 dnl ls, it would seem -l gave us both the user and group. On this type of
348 dnl ls, -g makes _only_ the group be displayed (and not the user).
349 nmh_cv_ls_grpopt="-l"
351 dnl Looks like -l only gave us the user, so we need -g to get the group too.
352 nmh_cv_ls_grpopt="-lg"
357 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
358 AC_PATH_PROG(morepath, more, no, [$pathtmp])
360 dnl If pager is not specified yet,
361 dnl then use `more' as the default.
362 if test -z "$pagerpath"; then
363 pagerpath="$morepath"
365 AC_SUBST(pagerpath)dnl
367 dnl Look for `sendmail'
368 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
369 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
372 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
373 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
375 dnl If editor is not specified yet,
376 dnl then use `vi' as the default.
377 if test -z "$editorpath"; then
380 AC_SUBST(editorpath)dnl
382 dnl ----------------------------------------------------------
383 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
384 dnl ----------------------------------------------------------
385 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
386 [for mailspool in /var/mail dnl
389 /dev/null; dnl Just in case we fall through
391 test -d $mailspool && break
393 nmh_cv_mailspool=$mailspool
395 mailspool=$nmh_cv_mailspool
396 AC_SUBST(mailspool)dnl
398 dnl See whether the mail spool directory is world-writable.
399 if test "$lspath" != "no" -a "$cutpath" != "no"; then
400 AC_CACHE_CHECK(whether the mail spool is world-writable,
401 nmh_cv_mailspool_world_writable,
402 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
403 nmh_cv_mailspool_world_writable=no
405 nmh_cv_mailspool_world_writable=yes
409 dnl Also, check for liblockfile (as found on Debian systems)
410 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
412 dnl and whether its companion program dotlockfile is setgid
413 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
414 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
415 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
416 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
417 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
418 nmh_cv_dotlockfile_setgid=yes
420 nmh_cv_dotlockfile_setgid=no
425 dnl If mailspool is not world-writable and dotlockfile is not setgid,
426 dnl we need to #define MAILGROUP to 1 and make inc setgid.
427 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
428 dnl do we really need both of these?
429 AC_DEFINE(MAILGROUP,1,
430 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
433 AC_SUBST(SETGID_MAIL)dnl
435 dnl Use ls to see which group owns the mail spool directory.
436 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
437 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
439 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
440 AC_SUBST(MAIL_SPOOL_GRP)dnl
442 dnl ------------------
443 dnl CHECK HEADER FILES
444 dnl ------------------
446 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
447 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
448 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
449 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
450 dnl declared; if so they should have an entry added to this case statement.
451 dnl NB that we must define this on the compiler command line, not in config.h,
452 dnl because it must be set before any system header is included and there's no
453 dnl portable way to make sure that files generated by lex include config.h
454 dnl before system header files.
458 # Like DEFS, but doesn't get stomped on by configure when using config.h:
459 OURDEFS="$OURDEFS -D_GNU_SOURCE"
468 AC_CHECK_HEADERS(errno.h fcntl.h crypt.h termcap.h \
469 langinfo.h wchar.h wctype.h iconv.h netdb.h \
470 sys/param.h sys/time.h sys/stream.h)
473 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
474 dnl really use a whole set of them, but this check should be
477 AC_CHECK_HEADER(libio.h, [
478 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
479 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
481 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
482 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
483 [[#if HAVE_SYS_STREAM_H
484 # include <sys/stream.h>
491 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
492 sighold sigrelse writev lstat uname tzset mkstemp \
493 getutent nl_langinfo mbtowc wcwidth)
495 dnl sigsetjmp may be a macro
496 AC_MSG_CHECKING(for sigsetjmp)
497 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
498 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
499 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
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"
654 dnl ------------------
655 dnl Set RPM build root
656 dnl ------------------
657 dnl nmhrpm is used in the final summary, see below. The default value is
658 dnl reported there as ./RPM, consistent with the reporting of the default
659 dnl source code location as ., but its absolute path is used in the Makefile.
661 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
662 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
663 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
667 dnl --------------------
668 dnl CHECK FOR CYRUS-SASL
669 dnl --------------------
671 AS_IF([test x"$sasl_support" = x"yes"],[
672 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
673 AC_CHECK_LIB([sasl2], [sasl_client_new], ,
674 [AC_MSG_ERROR([Cyrus SASL library not found])])])
676 dnl -----------------
677 dnl CHECK FOR OPENSSL
678 dnl -----------------
680 AS_IF([test x"$tls_support" = x"yes"],[
681 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
682 AC_CHECK_LIB([crypto], [BIO_write], ,
683 [AC_MSG_ERROR([OpenSSL crypto library not found])])
684 AC_CHECK_LIB([ssl], [SSL_library_init], ,
685 [AC_MSG_ERROR([OpenSSL library not found])])])
687 dnl ---------------------
688 dnl CHECK TERMCAP LIBRARY
689 dnl ---------------------
691 dnl Add the termcap library, so that the following configure
692 dnl tests will find it when it tries to link test programs.
693 nmh_save_LIBS="$LIBS"
694 LIBS="$TERMLIB $LIBS"
696 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
697 dnl Some termcaps reportedly accept a zero buffer, but then dump core
699 dnl Under Cygwin test program crashes but exit code is still 0. So,
700 dnl we test for a file that porgram should create
701 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
702 [Define to 1 if tgetent() accepts NULL as a buffer.])
703 AC_CACHE_CHECK(if tgetent accepts NULL,
704 nmh_cv_func_tgetent_accepts_null,
709 int r1 = tgetent(buf, "vt100");
710 int r2 = tgetent((char*)0,"vt100");
711 if (r1 >= 0 && r1 == r2) {
715 creat("conftest.tgetent", 0640);
717 exit((r1 != r2) || r2 == -1);
720 if test -f conftest.tgetent; then
721 nmh_cv_func_tgetent_accepts_null=yes
723 nmh_cv_func_tgetent_accepts_null=no
725 nmh_cv_func_tgetent_accepts_null=no,
726 nmh_cv_func_tgetent_accepts_null=no)])
727 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
728 AC_DEFINE(TGETENT_ACCEPTS_NULL)
730 AC_CACHE_CHECK(if tgetent returns 0 on success,
731 nmh_cv_func_tgetent_zero_success,
736 int r1 = tgetent(buf, "!@#$%^&*");
737 int r2 = tgetent(buf, "vt100");
738 if (r1 < 0 && r2 == 0) {
742 creat("conftest.tgetent0", 0640);
747 if test -f conftest.tgetent0; then
748 nmh_cv_func_tgetent_zero_success=yes
750 nmh_cv_func_tgetent_zero_success=no
752 nmh_cv_func_tgetent_zero_success=no,
753 nmh_cv_func_tgetent_zero_success=no)])
754 AH_TEMPLATE([TGETENT_SUCCESS],
755 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
756 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
757 AC_DEFINE(TGETENT_SUCCESS, 0)
759 AC_DEFINE(TGETENT_SUCCESS, 1)
762 dnl Now put the libraries back to what it was before we
763 dnl starting checking the termcap library.
764 LIBS="$nmh_save_LIBS"
776 dnl Check for sigset_t. Currently I'm looking in
777 dnl <sys/types.h> and <signal.h>. Others might need
779 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
780 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
781 #include <signal.h>]], [[sigset_t tempsigset;]])],
782 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
783 if test $nmh_cv_type_sigset_t = no; then
784 AC_DEFINE(sigset_t, unsigned int,
785 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
791 AC_CHECK_MEMBERS(struct stat.st_blksize)
793 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
794 [#ifdef TIME_WITH_SYS_TIME
795 # include <sys/time.h>
798 # ifdef TM_IN_SYS_TIME
799 # include <sys/time.h>
805 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
807 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
812 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
813 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
814 AC_MSG_CHECKING(what style of signals to use)
815 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
816 signals_style=POSIX_SIGNALS
817 AC_DEFINE(POSIX_SIGNALS, 1,
818 [Define to 1 if you use POSIX style signal handling.])
819 AC_DEFINE(RELIABLE_SIGNALS)
820 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
821 signals_style=BSD_SIGNALS
822 AC_DEFINE(BSD_SIGNALS,1,
823 [Define to 1 if you use BSD style signal handling (and can block signals).])
824 AC_DEFINE(RELIABLE_SIGNALS)
825 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
826 signals_style=SYSV_SIGNALS
827 AC_DEFINE(SYSV_SIGNALS,1,
828 [Define to 1 if you use SYSV style signal handling (and can block signals).])
830 signals_style=NO_SIGNAL_BLOCKING
831 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
832 [Define to 1 if you have no signal blocking at all (bummer).])
835 AC_MSG_RESULT($signals_style)
837 dnl Where is <signal.h> located? Needed as input for signames.awk
838 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
839 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
840 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
841 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
842 /usr/include/linux/signal.h dnl Linux up to 1.2.11
843 /usr/include/sys/signal.h dnl Almost everybody else
844 /dev/null; dnl Just in case we fall through
846 test -f $SIGNAL_H && \
847 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
850 nmh_cv_path_signal_h=$SIGNAL_H
852 SIGNAL_H=$nmh_cv_path_signal_h
853 AC_SUBST(SIGNAL_H)dnl
856 dnl OS SPECIFIC DEFINES
858 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
859 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
860 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
861 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
862 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
903 AC_DEFINE(SCO_5_STDIO)
911 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
912 mts/Makefile mts/smtp/Makefile \
913 etc/Makefile docs/Makefile man/Makefile)
914 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
917 dnl These odd looking assignments are done to expand out unexpanded
918 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
919 dnl but expanding that gives '${prefix}/share/man', so we need to expand
920 dnl again to get the final answer.
921 dnl We only use the expanded versions to print the install paths in
922 dnl the final summary and should use them nowhere else (see the autoconf
923 dnl docs for the rationale for bindir etc being unexpanded).
924 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
925 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
926 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
927 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
928 eval "nmhrpm=${nmhrpm}";
931 if test x"$enable_pop" = x"yes"; then
934 if test x"$enable_apop" = x"yes"; then
935 pop_kinds="${pop_kinds}APOP "
938 pop_kinds="${pop_kinds}POP3)"
944 nmh version : AC_PACKAGE_VERSION
945 target os : ${target}
947 compiler flags : ${CFLAGS}
948 linker flags : ${LDFLAGS}
949 definitions : ${OURDEFS}
950 source code location : ${srcdir}
951 binary install path : ${nmhbin}
952 library install path : ${nmhlib}
953 config files install path : ${nmhsysconf}
954 man page install path : ${nmhman}
955 RPM build root : ${nmhrpm}
956 backup prefix : ${backup_prefix}
957 transport system : ${MTS}
958 file locking type : ${LOCKTYPE}
959 default smtp servers : ${smtpservers}
960 default editor : ${editorpath}
961 default pager : ${pagerpath}
962 email address masquerading : ${masquerade}
963 pop is enabled : ${pop_kinds}
964 SASL support : ${sasl_support}
965 TLS support : ${tls_support}"