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 client-side support for pop?
61 AS_HELP_STRING([--enable-pop], [enable client-side support for plain POP3]))
62 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
63 if test x"$enable_nmh_pop" = x"yes"; then
67 dnl Do you want to disable use of locale functions
69 [Undefine if you don't want locale features. By default this is defined.])
70 AC_ARG_ENABLE([locale],
71 AC_HELP_STRING([--disable-locale], [turn off locale features]),
72 [if test x$enableval = xyes; then
78 dnl Do you want client-side support for using SASL for authentication?
79 dnl Note that this code will be enabled for both POP and SMTP
80 AC_ARG_WITH(cyrus-sasl, AS_HELP_STRING([--with-cyrus-sasl],
81 [Enable SASL support via the Cyrus SASL library]))
82 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
83 AC_DEFINE(CYRUS_SASL, 1,
84 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
85 if test x"$with_cyrus_sasl" != xyes; then
86 AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
87 AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])
94 dnl Do you want client-side support for encryption with TLS?
95 AC_ARG_WITH(tls, AS_HELP_STRING([--with-tls], [Enable TLS support]))
96 if test x"$with_tls" != x -a x"$with_tls" != x"no"; then
97 AC_DEFINE(TLS_SUPPORT, 1, [Support TLS for session encryption.])dnl
103 dnl What should be the default editor?
105 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
107 if test -n "$with_editor"; then
108 editorpath="$with_editor"
111 dnl Set the backup prefix
112 AC_ARG_WITH([hash-backup],
113 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
114 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
119 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix",
120 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
122 dnl After we know if we're including apop and kpop support, do pop stuff
123 if test x"$enable_pop" = x"yes"; then
125 [Define this to compile client-side support for pop into inc and msgchk.])dnl
127 POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
129 POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
134 dnl What method of locking to use?
136 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
137 [specify the file locking method]))
139 if test x"$with_locking" = x"dot"; then
141 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
142 elif test x"$with_locking" = x"flock"; then
144 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
145 elif test x"$with_locking" = x"lockf"; then
147 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
148 elif test x"$with_locking" = x"fcntl"; then
150 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
153 AC_DEFINE(DOT_LOCKING)dnl
156 dnl Should we use a locking directory?
157 AC_ARG_ENABLE([lockdir], [
158 AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [
159 AS_IF([test "x$enableval" = xyes],[
160 AC_MSG_ERROR([--enable-lockdir requires an argument])])
161 AS_IF([test "x$LOCKTYPE" != xdot],[
162 AC_MSG_ERROR([Can only use --enable-lockdir with dot locking])])
163 AC_DEFINE_UNQUOTED([LOCKDIR], ["$enableval"],
164 [Directory to store dot-locking lock files])
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"
467 AC_CHECK_HEADERS(errno.h fcntl.h crypt.h termcap.h \
468 langinfo.h wchar.h wctype.h iconv.h netdb.h \
469 sys/param.h sys/time.h sys/stream.h)
472 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
473 dnl really use a whole set of them, but this check should be
476 AC_CHECK_HEADER(libio.h, [
477 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
478 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
480 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
481 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
482 [[#if HAVE_SYS_STREAM_H
483 # include <sys/stream.h>
490 AC_CHECK_FUNCS(writev lstat tzset getutent nl_langinfo sigaction sigprocmask \
491 sigblock sigsetmask sighold sigrelse)
493 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
494 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
495 dnl any system header.
497 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
498 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
500 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
501 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
502 AC_EGREP_HEADER(initgroups, unistd.h,
503 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
505 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
506 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
507 dnl seems to work perfectly and IBM apparently uses it in internal code).
508 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
509 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
510 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
512 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
513 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
515 dnl Check for multibyte character set support
516 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
517 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
518 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
519 [Define to enable support for multibyte character sets.])
522 dnl -------------------
523 dnl CHECK FOR LIBRARIES
524 dnl -------------------
525 dnl Check location of modf
526 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
528 dnl Checks for network libraries (nsl, socket)
531 termcap_curses_order="termcap curses ncurses"
532 for lib in $termcap_curses_order; do
533 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
541 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
542 if test "x$ac_cv_header_iconv_h" = "xyes"; then
543 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
544 if test "x$ac_found_iconv" = "xno"; then
545 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
546 if test "x$ac_found_iconv" = "xno"; then
547 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
549 if test "x$ac_found_iconv" != "xno"; then
553 dnl Handle case where there is a native iconv but iconv.h is from libiconv
554 AC_CHECK_DECL(_libiconv_version,
555 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
556 [ #include <iconv.h> ])
559 if test "x$ac_found_iconv" = xyes; then
560 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
563 dnl Check if iconv uses const in prototype declaration
564 if test "x$ac_found_iconv" = "xyes"; then
565 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
566 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
567 #include <iconv.h>]],
571 #if defined(__STDC__) || defined(__cplusplus)
572 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
576 [ac_cv_iconv_const=],
577 [ac_cv_iconv_const=const])])
578 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
579 [Define as const if the declaration of iconv() needs const.])
586 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
587 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
588 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
589 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
591 if test "$nmh_ndbm" = "autodetect"; then
592 if test "$nmh_ndbmheader" != "autodetect"; then
593 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
596 dnl There are at least four implementations of ndbm, and
597 dnl several of those can be in different places at the whim
598 dnl of the system integrator. A good summary of this mess
599 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
601 dnl Classic ndbm with no library required (eg NetBSD): try this
602 dnl first so we don't accidentally link in a pointless but harmless
603 dnl library in one of the later ndbm.h+libfoo tests:
604 NMH_CHECK_NDBM(ndbm.h,,,
605 dnl Berkeley DBv2 emulating ndbm: header in db.h:
606 NMH_CHECK_NDBM(db.h,db,,
607 dnl Berkeley DBv1 emulating ndbm:
608 NMH_CHECK_NDBM(ndbm.h,db,,
609 NMH_CHECK_NDBM(ndbm.h,db1,,
611 NMH_CHECK_NDBM(ndbm.h,ndbm,,
612 dnl glibc2.1 systems put db1 in a subdir:
613 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
614 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
615 dnl and possibly needing gbdm_compat library:
616 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
617 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
618 NMH_CHECK_NDBM(ndbm.h,gdbm,,
619 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
623 dnl We don't really need to check that the user-specified values work,
624 dnl but it is a convenience to the user to bomb out early rather than
625 dnl after configure and half the compile process.
626 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
629 if test "$nmh_ndbm_found" = "no"; then
630 AC_MSG_ERROR([could not find a working ndbm library/header combination])
632 dnl Now export the lib/header to our makefile/config.h:
633 if test x"$nmh_ndbmheader" != x; then
634 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
635 [Define to the header containing the ndbm API prototypes.])
637 if test x"$nmh_ndbm" != x; then
638 NDBM_LIBS="-l$nmh_ndbm"
645 dnl ------------------
646 dnl Set RPM build root
647 dnl ------------------
648 dnl nmhrpm is used in the final summary, see below. The default value is
649 dnl reported there as ./RPM, consistent with the reporting of the default
650 dnl source code location as ., but its absolute path is used in the Makefile.
652 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
653 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
654 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
658 dnl --------------------
659 dnl CHECK FOR CYRUS-SASL
660 dnl --------------------
662 AS_IF([test x"$sasl_support" = x"yes"],[
663 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
664 AC_CHECK_LIB([sasl2], [sasl_client_new], ,
665 [AC_MSG_ERROR([Cyrus SASL library not found])])])
667 dnl -----------------
668 dnl CHECK FOR OPENSSL
669 dnl -----------------
671 AS_IF([test x"$tls_support" = x"yes"],[
672 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
673 AC_CHECK_LIB([crypto], [BIO_write], ,
674 [AC_MSG_ERROR([OpenSSL crypto library not found])])
675 AC_CHECK_LIB([ssl], [SSL_library_init], ,
676 [AC_MSG_ERROR([OpenSSL library not found])])])
678 dnl ---------------------
679 dnl CHECK TERMCAP LIBRARY
680 dnl ---------------------
682 dnl Add the termcap library, so that the following configure
683 dnl tests will find it when it tries to link test programs.
684 nmh_save_LIBS="$LIBS"
685 LIBS="$TERMLIB $LIBS"
687 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
688 dnl Some termcaps reportedly accept a zero buffer, but then dump core
690 dnl Under Cygwin test program crashes but exit code is still 0. So,
691 dnl we test for a file that porgram should create
692 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
693 [Define to 1 if tgetent() accepts NULL as a buffer.])
694 AC_CACHE_CHECK(if tgetent accepts NULL,
695 nmh_cv_func_tgetent_accepts_null,
700 int r1 = tgetent(buf, "vt100");
701 int r2 = tgetent((char*)0,"vt100");
702 if (r1 >= 0 && r1 == r2) {
706 creat("conftest.tgetent", 0640);
708 exit((r1 != r2) || r2 == -1);
711 if test -f conftest.tgetent; then
712 nmh_cv_func_tgetent_accepts_null=yes
714 nmh_cv_func_tgetent_accepts_null=no
716 nmh_cv_func_tgetent_accepts_null=no,
717 nmh_cv_func_tgetent_accepts_null=no)])
718 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
719 AC_DEFINE(TGETENT_ACCEPTS_NULL)
721 AC_CACHE_CHECK(if tgetent returns 0 on success,
722 nmh_cv_func_tgetent_zero_success,
727 int r1 = tgetent(buf, "!@#$%^&*");
728 int r2 = tgetent(buf, "vt100");
729 if (r1 < 0 && r2 == 0) {
733 creat("conftest.tgetent0", 0640);
738 if test -f conftest.tgetent0; then
739 nmh_cv_func_tgetent_zero_success=yes
741 nmh_cv_func_tgetent_zero_success=no
743 nmh_cv_func_tgetent_zero_success=no,
744 nmh_cv_func_tgetent_zero_success=no)])
745 AH_TEMPLATE([TGETENT_SUCCESS],
746 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
747 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
748 AC_DEFINE(TGETENT_SUCCESS, 0)
750 AC_DEFINE(TGETENT_SUCCESS, 1)
753 dnl Now put the libraries back to what it was before we
754 dnl starting checking the termcap library.
755 LIBS="$nmh_save_LIBS"
767 dnl Check for sigset_t. Currently I'm looking in
768 dnl <sys/types.h> and <signal.h>. Others might need
770 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
771 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
772 #include <signal.h>]], [[sigset_t tempsigset;]])],
773 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
774 if test $nmh_cv_type_sigset_t = no; then
775 AC_DEFINE(sigset_t, unsigned int,
776 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
783 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
784 [#ifdef TIME_WITH_SYS_TIME
785 # include <sys/time.h>
788 # ifdef TM_IN_SYS_TIME
789 # include <sys/time.h>
795 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
797 AC_STRUCT_DIRENT_D_TYPE
802 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
803 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
804 AC_MSG_CHECKING(what style of signals to use)
805 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
806 signals_style=POSIX_SIGNALS
807 AC_DEFINE(POSIX_SIGNALS, 1,
808 [Define to 1 if you use POSIX style signal handling.])
809 AC_DEFINE(RELIABLE_SIGNALS)
810 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
811 signals_style=BSD_SIGNALS
812 AC_DEFINE(BSD_SIGNALS,1,
813 [Define to 1 if you use BSD style signal handling (and can block signals).])
814 AC_DEFINE(RELIABLE_SIGNALS)
815 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
816 signals_style=SYSV_SIGNALS
817 AC_DEFINE(SYSV_SIGNALS,1,
818 [Define to 1 if you use SYSV style signal handling (and can block signals).])
820 signals_style=NO_SIGNAL_BLOCKING
821 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
822 [Define to 1 if you have no signal blocking at all (bummer).])
825 AC_MSG_RESULT($signals_style)
827 dnl Where is <signal.h> located? Needed as input for signames.awk
828 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
829 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
830 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
831 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
832 /usr/include/linux/signal.h dnl Linux up to 1.2.11
833 /usr/include/sys/signal.h dnl Almost everybody else
834 /dev/null; dnl Just in case we fall through
836 test -f $SIGNAL_H && \
837 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
840 nmh_cv_path_signal_h=$SIGNAL_H
842 SIGNAL_H=$nmh_cv_path_signal_h
843 AC_SUBST(SIGNAL_H)dnl
846 dnl OS SPECIFIC DEFINES
848 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
849 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
850 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
851 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
852 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
893 AC_DEFINE(SCO_5_STDIO)
901 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
902 mts/Makefile mts/smtp/Makefile \
903 etc/Makefile docs/Makefile man/Makefile)
904 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
907 dnl These odd looking assignments are done to expand out unexpanded
908 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
909 dnl but expanding that gives '${prefix}/share/man', so we need to expand
910 dnl again to get the final answer.
911 dnl We only use the expanded versions to print the install paths in
912 dnl the final summary and should use them nowhere else (see the autoconf
913 dnl docs for the rationale for bindir etc being unexpanded).
914 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
915 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
916 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
917 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
918 eval "nmhrpm=${nmhrpm}";
921 if test x"$enable_pop" = x"yes"; then
924 if test x"$enable_apop" = x"yes"; then
925 pop_kinds="${pop_kinds}APOP "
928 pop_kinds="${pop_kinds}POP3)"
934 nmh version : AC_PACKAGE_VERSION
935 target os : ${target}
937 compiler flags : ${CFLAGS}
938 linker flags : ${LDFLAGS}
939 definitions : ${OURDEFS}
940 source code location : ${srcdir}
941 binary install path : ${nmhbin}
942 library install path : ${nmhlib}
943 config files install path : ${nmhsysconf}
944 man page install path : ${nmhman}
945 RPM build root : ${nmhrpm}
946 backup prefix : ${backup_prefix}
947 transport system : ${MTS}
948 file locking type : ${LOCKTYPE}
949 default smtp servers : ${smtpservers}
950 default editor : ${editorpath}
951 default pager : ${pagerpath}
952 email address masquerading : ${masquerade}
953 pop is enabled : ${pop_kinds}
954 SASL support : ${sasl_support}
955 TLS support : ${tls_support}"