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"
470 AC_CHECK_HEADERS(errno.h fcntl.h crypt.h termcap.h \
471 langinfo.h wchar.h wctype.h iconv.h netdb.h \
472 sys/param.h sys/time.h sys/stream.h)
475 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
476 dnl really use a whole set of them, but this check should be
479 AC_CHECK_HEADER(libio.h, [
480 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
481 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
483 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
484 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
485 [[#if HAVE_SYS_STREAM_H
486 # include <sys/stream.h>
493 AC_CHECK_LIB(mkstemp,mkstemp)
494 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
495 sighold sigrelse writev lstat uname tzset mkstemp \
496 getutent nl_langinfo mbtowc wcwidth)
498 dnl sigsetjmp may be a macro
499 AC_MSG_CHECKING(for sigsetjmp)
500 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
501 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
502 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
505 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
507 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
508 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
509 dnl any system header.
511 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
512 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
514 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
515 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
516 AC_EGREP_HEADER(initgroups, unistd.h,
517 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
519 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
520 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
521 dnl seems to work perfectly and IBM apparently uses it in internal code).
522 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
523 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
524 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
526 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
527 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
529 dnl Check for multibyte character set support
530 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
531 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
532 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
533 [Define to enable support for multibyte character sets.])
536 dnl -------------------
537 dnl CHECK FOR LIBRARIES
538 dnl -------------------
539 dnl Check location of modf
540 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
542 dnl Checks for network libraries (nsl, socket)
545 termcap_curses_order="termcap curses ncurses"
546 for lib in $termcap_curses_order; do
547 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
555 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
556 if test "x$ac_cv_header_iconv_h" = "xyes"; then
557 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
558 if test "x$ac_found_iconv" = "xno"; then
559 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
560 if test "x$ac_found_iconv" = "xno"; then
561 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
563 if test "x$ac_found_iconv" != "xno"; then
567 dnl Handle case where there is a native iconv but iconv.h is from libiconv
568 AC_CHECK_DECL(_libiconv_version,
569 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
570 [ #include <iconv.h> ])
573 if test "x$ac_found_iconv" = xyes; then
574 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
577 dnl Check if iconv uses const in prototype declaration
578 if test "x$ac_found_iconv" = "xyes"; then
579 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
580 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
581 #include <iconv.h>]],
585 #if defined(__STDC__) || defined(__cplusplus)
586 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
590 [ac_cv_iconv_const=],
591 [ac_cv_iconv_const=const])])
592 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
593 [Define as const if the declaration of iconv() needs const.])
600 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
601 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
602 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
603 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
605 if test "$nmh_ndbm" = "autodetect"; then
606 if test "$nmh_ndbmheader" != "autodetect"; then
607 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
610 dnl There are at least four implementations of ndbm, and
611 dnl several of those can be in different places at the whim
612 dnl of the system integrator. A good summary of this mess
613 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
615 dnl Classic ndbm with no library required (eg NetBSD): try this
616 dnl first so we don't accidentally link in a pointless but harmless
617 dnl library in one of the later ndbm.h+libfoo tests:
618 NMH_CHECK_NDBM(ndbm.h,,,
619 dnl Berkeley DBv2 emulating ndbm: header in db.h:
620 NMH_CHECK_NDBM(db.h,db,,
621 dnl Berkeley DBv1 emulating ndbm:
622 NMH_CHECK_NDBM(ndbm.h,db,,
623 NMH_CHECK_NDBM(ndbm.h,db1,,
625 NMH_CHECK_NDBM(ndbm.h,ndbm,,
626 dnl glibc2.1 systems put db1 in a subdir:
627 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
628 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
629 dnl and possibly needing gbdm_compat library:
630 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
631 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
632 NMH_CHECK_NDBM(ndbm.h,gdbm,,
633 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
637 dnl We don't really need to check that the user-specified values work,
638 dnl but it is a convenience to the user to bomb out early rather than
639 dnl after configure and half the compile process.
640 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
643 if test "$nmh_ndbm_found" = "no"; then
644 AC_MSG_ERROR([could not find a working ndbm library/header combination])
646 dnl Now export the lib/header to our makefile/config.h:
647 if test x"$nmh_ndbmheader" != x; then
648 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
649 [Define to the header containing the ndbm API prototypes.])
651 if test x"$nmh_ndbm" != x; then
652 NDBM_LIBS="-l$nmh_ndbm"
659 dnl ------------------
660 dnl Set RPM build root
661 dnl ------------------
662 dnl nmhrpm is used in the final summary, see below. The default value is
663 dnl reported there as ./RPM, consistent with the reporting of the default
664 dnl source code location as ., but its absolute path is used in the Makefile.
666 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
667 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
668 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
672 dnl --------------------
673 dnl CHECK FOR CYRUS-SASL
674 dnl --------------------
676 AS_IF([test x"$sasl_support" = x"yes"],[
677 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
678 AC_CHECK_LIB([sasl2], [sasl_client_new], ,
679 [AC_MSG_ERROR([Cyrus SASL library not found])])])
681 dnl -----------------
682 dnl CHECK FOR OPENSSL
683 dnl -----------------
685 AS_IF([test x"$tls_support" = x"yes"],[
686 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
687 AC_CHECK_LIB([crypto], [BIO_write], ,
688 [AC_MSG_ERROR([OpenSSL crypto library not found])])
689 AC_CHECK_LIB([ssl], [SSL_library_init], ,
690 [AC_MSG_ERROR([OpenSSL library not found])])])
692 dnl ---------------------
693 dnl CHECK TERMCAP LIBRARY
694 dnl ---------------------
696 dnl Add the termcap library, so that the following configure
697 dnl tests will find it when it tries to link test programs.
698 nmh_save_LIBS="$LIBS"
699 LIBS="$TERMLIB $LIBS"
701 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
702 dnl Some termcaps reportedly accept a zero buffer, but then dump core
704 dnl Under Cygwin test program crashes but exit code is still 0. So,
705 dnl we test for a file that porgram should create
706 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
707 [Define to 1 if tgetent() accepts NULL as a buffer.])
708 AC_CACHE_CHECK(if tgetent accepts NULL,
709 nmh_cv_func_tgetent_accepts_null,
714 int r1 = tgetent(buf, "vt100");
715 int r2 = tgetent((char*)0,"vt100");
716 if (r1 >= 0 && r1 == r2) {
720 creat("conftest.tgetent", 0640);
722 exit((r1 != r2) || r2 == -1);
725 if test -f conftest.tgetent; then
726 nmh_cv_func_tgetent_accepts_null=yes
728 nmh_cv_func_tgetent_accepts_null=no
730 nmh_cv_func_tgetent_accepts_null=no,
731 nmh_cv_func_tgetent_accepts_null=no)])
732 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
733 AC_DEFINE(TGETENT_ACCEPTS_NULL)
735 AC_CACHE_CHECK(if tgetent returns 0 on success,
736 nmh_cv_func_tgetent_zero_success,
741 int r1 = tgetent(buf, "!@#$%^&*");
742 int r2 = tgetent(buf, "vt100");
743 if (r1 < 0 && r2 == 0) {
747 creat("conftest.tgetent0", 0640);
752 if test -f conftest.tgetent0; then
753 nmh_cv_func_tgetent_zero_success=yes
755 nmh_cv_func_tgetent_zero_success=no
757 nmh_cv_func_tgetent_zero_success=no,
758 nmh_cv_func_tgetent_zero_success=no)])
759 AH_TEMPLATE([TGETENT_SUCCESS],
760 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
761 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
762 AC_DEFINE(TGETENT_SUCCESS, 0)
764 AC_DEFINE(TGETENT_SUCCESS, 1)
767 dnl Now put the libraries back to what it was before we
768 dnl starting checking the termcap library.
769 LIBS="$nmh_save_LIBS"
781 dnl Check for sigset_t. Currently I'm looking in
782 dnl <sys/types.h> and <signal.h>. Others might need
784 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
785 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
786 #include <signal.h>]], [[sigset_t tempsigset;]])],
787 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
788 if test $nmh_cv_type_sigset_t = no; then
789 AC_DEFINE(sigset_t, unsigned int,
790 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
796 AC_CHECK_MEMBERS(struct stat.st_blksize)
798 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
799 [#ifdef TIME_WITH_SYS_TIME
800 # include <sys/time.h>
803 # ifdef TM_IN_SYS_TIME
804 # include <sys/time.h>
810 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
812 AC_MSG_CHECKING(for union wait)
813 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
814 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
815 #include <sys/wait.h>]],
816 [[union wait status; int pid; pid = wait (&status);
818 /* Some POSIXoid systems have both the new-style macros and the old
819 union wait type, and they do not work together. If union wait
820 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
821 if (WEXITSTATUS (status) != 0) pid = -1;
823 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
824 -- blow chunks here --
828 /* Make sure union wait works with waitpid. */
829 pid = waitpid (-1, &status, 0);
832 [nmh_cv_union_wait=yes],
833 [nmh_cv_union_wait=no])])
834 if test "$nmh_cv_union_wait" = yes; then
835 AC_DEFINE(HAVE_UNION_WAIT, 1,
836 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
838 AC_MSG_RESULT($nmh_cv_union_wait)
840 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
845 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
846 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
847 AC_MSG_CHECKING(what style of signals to use)
848 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
849 signals_style=POSIX_SIGNALS
850 AC_DEFINE(POSIX_SIGNALS, 1,
851 [Define to 1 if you use POSIX style signal handling.])
852 AC_DEFINE(RELIABLE_SIGNALS)
853 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
854 signals_style=BSD_SIGNALS
855 AC_DEFINE(BSD_SIGNALS,1,
856 [Define to 1 if you use BSD style signal handling (and can block signals).])
857 AC_DEFINE(RELIABLE_SIGNALS)
858 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
859 signals_style=SYSV_SIGNALS
860 AC_DEFINE(SYSV_SIGNALS,1,
861 [Define to 1 if you use SYSV style signal handling (and can block signals).])
863 signals_style=NO_SIGNAL_BLOCKING
864 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
865 [Define to 1 if you have no signal blocking at all (bummer).])
868 AC_MSG_RESULT($signals_style)
870 dnl Where is <signal.h> located? Needed as input for signames.awk
871 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
872 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
873 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
874 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
875 /usr/include/linux/signal.h dnl Linux up to 1.2.11
876 /usr/include/sys/signal.h dnl Almost everybody else
877 /dev/null; dnl Just in case we fall through
879 test -f $SIGNAL_H && \
880 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
883 nmh_cv_path_signal_h=$SIGNAL_H
885 SIGNAL_H=$nmh_cv_path_signal_h
886 AC_SUBST(SIGNAL_H)dnl
889 dnl OS SPECIFIC DEFINES
891 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
892 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
893 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
894 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
895 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
936 AC_DEFINE(SCO_5_STDIO)
944 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
945 mts/Makefile mts/smtp/Makefile \
946 etc/Makefile docs/Makefile man/Makefile)
947 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
950 dnl These odd looking assignments are done to expand out unexpanded
951 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
952 dnl but expanding that gives '${prefix}/share/man', so we need to expand
953 dnl again to get the final answer.
954 dnl We only use the expanded versions to print the install paths in
955 dnl the final summary and should use them nowhere else (see the autoconf
956 dnl docs for the rationale for bindir etc being unexpanded).
957 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
958 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
959 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
960 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
961 eval "nmhrpm=${nmhrpm}";
964 if test x"$enable_pop" = x"yes"; then
967 if test x"$enable_apop" = x"yes"; then
968 pop_kinds="${pop_kinds}APOP "
971 pop_kinds="${pop_kinds}POP3)"
977 nmh version : AC_PACKAGE_VERSION
978 target os : ${target}
980 compiler flags : ${CFLAGS}
981 linker flags : ${LDFLAGS}
982 definitions : ${OURDEFS}
983 source code location : ${srcdir}
984 binary install path : ${nmhbin}
985 library install path : ${nmhlib}
986 config files install path : ${nmhsysconf}
987 man page install path : ${nmhman}
988 RPM build root : ${nmhrpm}
989 backup prefix : ${backup_prefix}
990 transport system : ${MTS}
991 file locking type : ${LOCKTYPE}
992 default smtp servers : ${smtpservers}
993 default editor : ${editorpath}
994 default pager : ${pagerpath}
995 email address masquerading : ${masquerade}
996 pop is enabled : ${pop_kinds}
997 SASL support : ${sasl_support}
998 TLS support : ${tls_support}"