2 dnl configure.in -- autoconf template for nmh
10 AC_INIT(nmh, m4_normalize(m4_include([VERSION])))
11 AC_CONFIG_SRCDIR(h/nmh.h)
12 AC_CONFIG_HEADER(config.h)
16 dnl ---------------------
17 dnl define a macro or two
18 dnl ---------------------
20 AC_DEFUN(NMH_PROG_GNU_LIBTOOL, [
21 if test -n "$LIBTOOL" ; then
22 tmptest=`$LIBTOOL --version 2>&1 | grep GNU`
23 if test x"$tmptest" != x ; then
25 AC_SUBST(GNU_LIBTOOL)dnl
30 echo "configuring for AC_PACKAGE_NAME-AC_PACKAGE_VERSION"
31 AC_SUBST(VERSION,AC_PACKAGE_VERSION)dnl
33 dnl What date of nmh are we building?
34 DATE=`cat ${srcdir}/DATE`
35 echo "configuring for nmh dated $DATE"
38 dnl --------------------------
39 dnl CHECK COMMAND LINE OPTIONS
40 dnl --------------------------
42 dnl Do you want client-side support for apop?
43 AC_ARG_ENABLE(apop, AS_HELP_STRING([--enable-apop],
44 [enable client-side support for POP3 and APOP]))
45 if test x"$enable_apop" = x"yes"; then
47 [Define to compile client-side support for apop into inc and msgchk.])dnl
53 dnl Do you want to debug nmh?
55 AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
56 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
57 if test x"$enable_nmh_debug" = x"yes"; then
61 dnl Allow users to send email from addresses other than their default?
62 AC_ARG_ENABLE(masquerade,
63 AS_HELP_STRING([--enable-masquerade='draft_from mmailid username_extension'],
64 [enable up to 3 types of address masquerading]),
65 [if test x"$enable_masquerade" = x"yes"; then
66 masquerade="draft_from mmailid username_extension"
68 masquerade="$enable_masquerade"
70 masquerade="draft_from mmailid username_extension")
71 AC_SUBST(masquerade)dnl
73 dnl Do you want mhe support?
75 AS_HELP_STRING([--disable-mhe],[disable mhe support]))
77 dnl mhe support is on by default, so define it unless --disable-mhe or the
78 dnl deprecated, undocumented --disable-nmh-mhe are specified.
79 if test x"$enable_mhe" != x"no" -a x"$enable_nmh_mhe" != x"no"; then
81 [Define to compile in support for the Emacs front-end mh-e.])dnl
84 dnl Do you want client-side support for pop?
86 AS_HELP_STRING([--enable-pop], [enable client-side support for plain POP3]))
87 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
88 if test x"$enable_nmh_pop" = x"yes"; then
92 dnl Do you want to disable use of locale functions
94 [Undefine if you don't want locale features. By default this is defined.])
95 AC_ARG_ENABLE([locale],
96 AC_HELP_STRING([--disable-locale], [turn off locale features]),
97 [if test x$enableval = xyes; then
103 dnl Do you want client-side support for using SASL for authentication?
104 dnl Note that this code will be enabled for both POP and SMTP
105 AC_ARG_WITH(cyrus-sasl, AS_HELP_STRING([--with-cyrus-sasl],
106 [Enable SASL support via the Cyrus SASL library]))
107 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
108 AC_DEFINE(CYRUS_SASL, 1,
109 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
115 dnl Do you want client-side support for encryption with TLS?
116 AC_ARG_WITH(tls, AS_HELP_STRING([--with-tls], [Enable TLS support]))
117 if test x"$with_tls" != x -a x"$with_tls" != x"no"; then
118 AC_DEFINE(TLS_SUPPORT, 1, [Support TLS for session encryption.])dnl
124 dnl What should be the default editor?
126 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
128 if test -n "$with_editor"; then
129 editorpath="$with_editor"
132 dnl Set the backup prefix
133 AC_ARG_WITH([hash-backup],
134 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
135 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
140 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix",
141 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
143 dnl Do you want support for hesiod
145 AS_HELP_STRING([--with-hesiod=DIR],[specify location of Hesiod]))
146 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
147 AC_DEFINE(HESIOD,1,[Define this to compile support for using Hesiod.])dnl
150 dnl After we know if we're including apop and kpop support, do pop stuff
151 if test x"$enable_pop" = x"yes"; then
153 [Define this to compile client-side support for pop into inc and msgchk.])dnl
155 POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
157 POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
162 dnl What method of locking to use?
164 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
165 [specify the file locking method]))
167 if test x"$with_locking" = x"dot"; then
169 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
170 elif test x"$with_locking" = x"flock"; then
172 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
173 elif test x"$with_locking" = x"lockf"; then
175 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
176 elif test x"$with_locking" = x"fcntl"; then
178 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
181 AC_DEFINE(DOT_LOCKING)dnl
184 dnl What method of posting should post use?
186 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
187 [specify the default mail transport agent/service]))
189 if test x"$with_mts" = x"smtp"; then
191 elif test x"$with_mts" = x"sendmail"; then
198 dnl Both the smtp and sendmail mail transport services use the smtp code
199 AC_DEFINE(SMTPMTS, 1,
200 [Define if you want SMTP (simple mail transport protocol) support.])dnl
202 dnl What should be the default pager?
204 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
206 if test -n "$with_pager"; then
207 pagerpath="$with_pager"
210 dnl What should be the default mail server(s)?
211 AC_ARG_WITH(smtpservers,
212 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
213 [specify the default SMTP server(s) @<:@localhost@:>@]))
214 if test -n "$with_smtpservers"; then
215 smtpservers="$with_smtpservers"
217 smtpservers="localhost"
219 AC_SUBST(smtpservers)dnl
221 dnl ----------------------------------------------------
222 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
223 dnl ----------------------------------------------------
224 AC_PREFIX_DEFAULT(/usr/local/nmh)
226 dnl ------------------
227 dnl CHECK THE COMPILER
228 dnl ------------------
229 dnl We want these before the checks,
230 dnl so the checks can modify their values.
231 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
232 if test x"$enable_debug" = x"yes"; then
233 test -z "$LDFLAGS" && LDFLAGS=-g
238 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
239 [nmh_saved_cflags="$CFLAGS"
240 CFLAGS="$CFLAGS -Wno-pointer-sign"
241 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
242 CFLAGS="$nmh_saved_cflags"])
244 dnl if the user hasn't specified CFLAGS, then
245 dnl if compiler is gcc, then
246 dnl use -O2 and some warning flags
248 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
249 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
250 dnl spurious and which in any case we don't want to deal with now.
251 if test "$nmh_cv_has_noptrsign" = "yes"; then
252 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
254 nmh_gcc_warnflags="-Wall"
257 if test -n "$auto_cflags"; then
258 if test x"$enable_debug" = x"yes"; then
259 if test -n "$GCC"; then
260 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
262 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
265 if test -z "$LDFLAGS"; then
275 if test -n "$GCC"; then
276 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
278 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
283 AC_C_CONST dnl Does compiler support `const'.
285 dnl ------------------
286 dnl CHECK FOR PROGRAMS
287 dnl ------------------
288 AC_PROG_MAKE_SET dnl Does make define $MAKE
289 AC_PROG_INSTALL dnl Check for BSD compatible `install'
290 AC_PROG_RANLIB dnl Check for `ranlib'
291 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
292 AC_PROG_LEX dnl Check for lex/flex
295 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
296 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
298 dnl ----------------------------------------------
299 dnl check for lclint, and lint if it doesn't exist
300 dnl ----------------------------------------------
301 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
302 if test x$ac_cv_prog_linttmp1 != xno ; then
303 LINT=$ac_cv_prog_linttmp1
304 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
306 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
307 if test x$ac_cv_prog_linttmp2 != xno ; then
308 LINT=$ac_cv_prog_linttmp2
311 LINT="echo 'No lint program found'"
316 AC_SUBST(LINTFLAGS)dnl
318 dnl try to figure out which one we've got
319 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
322 dnl Check for lorder and tsort commands
323 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
324 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
326 dnl If either doesn't exist, replace them with echo and cat
327 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
332 dnl Mac OS X has lorder, but sh is too broken for it to work
333 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
336 dnl AC_SUBST(LORDER)dnl
337 dnl AC_SUBST(TSORT)dnl
340 dnl Check whether tsort can deal with loops
341 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
342 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
345 nmh_cv_tsort_loop=yes
347 if test x$nmh_cv_tsort_loop = xno ; then
355 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
356 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
358 dnl See how we get ls to display the owner and the group
359 if test "$lspath" != "no"; then
360 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
362 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
363 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
364 dnl ls, it would seem -l gave us both the user and group. On this type of
365 dnl ls, -g makes _only_ the group be displayed (and not the user).
366 nmh_cv_ls_grpopt="-l"
368 dnl Looks like -l only gave us the user, so we need -g to get the group too.
369 nmh_cv_ls_grpopt="-lg"
374 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
375 AC_PATH_PROG(morepath, more, no, [$pathtmp])
377 dnl If pager is not specified yet,
378 dnl then use `more' as the default.
379 if test -z "$pagerpath"; then
380 pagerpath="$morepath"
382 AC_SUBST(pagerpath)dnl
384 dnl Look for `sendmail'
385 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
386 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
389 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
390 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
392 dnl If editor is not specified yet,
393 dnl then use `vi' as the default.
394 if test -z "$editorpath"; then
397 AC_SUBST(editorpath)dnl
399 dnl ----------------------------------------------------------
400 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
401 dnl ----------------------------------------------------------
402 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
403 [for mailspool in /var/mail dnl
406 /dev/null; dnl Just in case we fall through
408 test -d $mailspool && break
410 nmh_cv_mailspool=$mailspool
412 mailspool=$nmh_cv_mailspool
413 AC_SUBST(mailspool)dnl
415 dnl See whether the mail spool directory is world-writable.
416 if test "$lspath" != "no" -a "$cutpath" != "no"; then
417 AC_CACHE_CHECK(whether the mail spool is world-writable,
418 nmh_cv_mailspool_world_writable,
419 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
420 nmh_cv_mailspool_world_writable=no
422 nmh_cv_mailspool_world_writable=yes
426 dnl Also, check for liblockfile (as found on Debian systems)
427 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
429 dnl and whether its companion program dotlockfile is setgid
430 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
431 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
432 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
433 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
434 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
435 nmh_cv_dotlockfile_setgid=yes
437 nmh_cv_dotlockfile_setgid=no
442 dnl If mailspool is not world-writable and dotlockfile is not setgid,
443 dnl we need to #define MAILGROUP to 1 and make inc setgid.
444 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
445 dnl do we really need both of these?
446 AC_DEFINE(MAILGROUP,1,
447 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
450 AC_SUBST(SETGID_MAIL)dnl
452 dnl Use ls to see which group owns the mail spool directory.
453 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
454 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
456 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
457 AC_SUBST(MAIL_SPOOL_GRP)dnl
459 dnl ------------------
460 dnl CHECK HEADER FILES
461 dnl ------------------
463 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
464 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
465 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
466 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
467 dnl declared; if so they should have an entry added to this case statement.
468 dnl NB that we must define this on the compiler command line, not in config.h,
469 dnl because it must be set before any system header is included and there's no
470 dnl portable way to make sure that files generated by lex include config.h
471 dnl before system header files.
475 # Like DEFS, but doesn't get stomped on by configure when using config.h:
476 OURDEFS="$OURDEFS -D_GNU_SOURCE"
487 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
488 limits.h crypt.h termcap.h termio.h termios.h locale.h \
489 langinfo.h wchar.h wctype.h iconv.h netdb.h \
490 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
491 arpa/inet.h arpa/ftp.h)
494 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
495 dnl really use a whole set of them, but this check should be
498 AC_CHECK_HEADER(libio.h, [
499 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
500 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
502 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
503 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
504 [[#if HAVE_SYS_STREAM_H
505 # include <sys/stream.h>
513 AC_CHECK_LIB(mkstemp,mkstemp)
514 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
515 sighold sigrelse writev lstat uname tzset killpg mkstemp \
516 getutent nl_langinfo mbtowc wcwidth)
518 dnl sigsetjmp may be a macro
519 AC_MSG_CHECKING(for sigsetjmp)
520 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
521 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
522 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
525 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
527 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
528 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
529 dnl any system header.
531 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
532 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
534 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
535 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
536 AC_EGREP_HEADER(initgroups, unistd.h,
537 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
539 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
540 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
541 dnl seems to work perfectly and IBM apparently uses it in internal code).
542 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
543 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
544 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
546 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
547 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
549 dnl Check for multibyte character set support
550 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
551 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
552 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
553 [Define to enable support for multibyte character sets.])
556 dnl -------------------
557 dnl CHECK FOR LIBRARIES
558 dnl -------------------
559 dnl Check location of modf
560 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
562 dnl Checks for network libraries (nsl, socket)
565 termcap_curses_order="termcap curses ncurses"
566 for lib in $termcap_curses_order; do
567 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
575 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
576 if test "x$ac_cv_header_iconv_h" = "xyes"; then
577 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
578 if test "x$ac_found_iconv" = "xno"; then
579 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
580 if test "x$ac_found_iconv" = "xno"; then
581 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
583 if test "x$ac_found_iconv" != "xno"; then
587 dnl Handle case where there is a native iconv but iconv.h is from libiconv
588 AC_CHECK_DECL(_libiconv_version,
589 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
590 [ #include <iconv.h> ])
593 if test "x$ac_found_iconv" = xyes; then
594 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
597 dnl Check if iconv uses const in prototype declaration
598 if test "x$ac_found_iconv" = "xyes"; then
599 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
600 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
601 #include <iconv.h>]],
605 #if defined(__STDC__) || defined(__cplusplus)
606 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
610 [ac_cv_iconv_const=],
611 [ac_cv_iconv_const=const])])
612 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
613 [Define as const if the declaration of iconv() needs const.])
620 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
621 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
622 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
623 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
625 if test "$nmh_ndbm" = "autodetect"; then
626 if test "$nmh_ndbmheader" != "autodetect"; then
627 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
630 dnl There are at least four implementations of ndbm, and
631 dnl several of those can be in different places at the whim
632 dnl of the system integrator. A good summary of this mess
633 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
635 dnl Classic ndbm with no library required (eg NetBSD): try this
636 dnl first so we don't accidentally link in a pointless but harmless
637 dnl library in one of the later ndbm.h+libfoo tests:
638 NMH_CHECK_NDBM(ndbm.h,,,
639 dnl Berkeley DBv2 emulating ndbm: header in db.h:
640 NMH_CHECK_NDBM(db.h,db,,
641 dnl Berkeley DBv1 emulating ndbm:
642 NMH_CHECK_NDBM(ndbm.h,db,,
643 NMH_CHECK_NDBM(ndbm.h,db1,,
645 NMH_CHECK_NDBM(ndbm.h,ndbm,,
646 dnl glibc2.1 systems put db1 in a subdir:
647 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
648 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
649 dnl and possibly needing gbdm_compat library:
650 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
651 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
652 NMH_CHECK_NDBM(ndbm.h,gdbm,,
653 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
657 dnl We don't really need to check that the user-specified values work,
658 dnl but it is a convenience to the user to bomb out early rather than
659 dnl after configure and half the compile process.
660 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
663 if test "$nmh_ndbm_found" = "no"; then
664 AC_MSG_ERROR([could not find a working ndbm library/header combination])
666 dnl Now export the lib/header to our makefile/config.h:
667 if test x"$nmh_ndbmheader" != x; then
668 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
669 [Define to the header containing the ndbm API prototypes.])
671 if test x"$nmh_ndbm" != x; then
672 NDBM_LIBS="-l$nmh_ndbm"
683 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
684 if test x"$with_hesiod" != x"yes"; then
685 HESIOD_INCLUDES="-I$with_hesiod/include"
686 HESIOD_LIBS="-L$with_hesiod/lib"
688 AC_CHECK_FUNC(res_send,
689 [AC_CHECK_LIB(hesiod, hes_resolve,
690 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
691 [AC_MSG_ERROR(Hesiod library not found)],
693 [AC_CHECK_LIB(hesiod, hes_resolve,
694 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod -lresolv"],
695 [AC_MSG_ERROR(Hesiod library not found)],
696 $HESIOD_LIBS -lresolv)])
699 AC_SUBST(HESIOD_INCLUDES)dnl
700 AC_SUBST(HESIOD_LIBS)dnl
702 dnl --------------------
703 dnl CHECK FOR CYRUS-SASL
704 dnl --------------------
706 AS_IF([test x"$sasl_support" = x"yes"],[
707 AC_CHECK_HEADER([sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
708 AC_CHECK_LIB([sasl2], [sasl_client_new], ,
709 [AC_MSG_ERROR([Cyrus SASL library not found])])])
711 dnl -----------------
712 dnl CHECK FOR OPENSSL
713 dnl -----------------
715 AS_IF([test x"$tls_support" = x"yes"],[
716 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
717 AC_CHECK_LIB([crypto], [BIO_write], ,
718 [AC_MSG_ERROR([OpenSSL crypto library not found])])
719 AC_CHECK_LIB([ssl], [SSL_library_init], ,
720 [AC_MSG_ERROR([OpenSSL library not found])])])
722 dnl ---------------------
723 dnl CHECK TERMCAP LIBRARY
724 dnl ---------------------
726 dnl Add the termcap library, so that the following configure
727 dnl tests will find it when it tries to link test programs.
728 nmh_save_LIBS="$LIBS"
729 LIBS="$TERMLIB $LIBS"
731 dnl Checks for external variable ospeed in the termcap library.
732 AC_CACHE_CHECK(if an include file defines ospeed,
733 nmh_cv_decl_ospeed_include_defines,
734 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
740 #endif]], [[ospeed = 0;]])],
741 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
743 if test $nmh_cv_decl_ospeed_include_defines = no; then
744 AC_CACHE_CHECK(if you must define ospeed,
745 nmh_cv_decl_ospeed_must_define,
746 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
747 [[extern short ospeed; ospeed = 0;]])],
748 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
751 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
752 if test $nmh_cv_decl_ospeed_include_defines = yes; then
753 AC_DEFINE(HAVE_OSPEED)dnl
754 elif test $nmh_cv_decl_ospeed_must_define = yes; then
755 AC_DEFINE(HAVE_OSPEED)
756 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
757 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
760 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
761 dnl Some termcaps reportedly accept a zero buffer, but then dump core
763 dnl Under Cygwin test program crashes but exit code is still 0. So,
764 dnl we test for a file that porgram should create
765 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
766 [Define to 1 if tgetent() accepts NULL as a buffer.])
767 AC_CACHE_CHECK(if tgetent accepts NULL,
768 nmh_cv_func_tgetent_accepts_null,
773 int r1 = tgetent(buf, "vt100");
774 int r2 = tgetent((char*)0,"vt100");
775 if (r1 >= 0 && r1 == r2) {
779 creat("conftest.tgetent", 0640);
781 exit((r1 != r2) || r2 == -1);
784 if test -f conftest.tgetent; then
785 nmh_cv_func_tgetent_accepts_null=yes
787 nmh_cv_func_tgetent_accepts_null=no
789 nmh_cv_func_tgetent_accepts_null=no,
790 nmh_cv_func_tgetent_accepts_null=no)])
791 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
792 AC_DEFINE(TGETENT_ACCEPTS_NULL)
794 AC_CACHE_CHECK(if tgetent returns 0 on success,
795 nmh_cv_func_tgetent_zero_success,
800 int r1 = tgetent(buf, "!@#$%^&*");
801 int r2 = tgetent(buf, "vt100");
802 if (r1 < 0 && r2 == 0) {
806 creat("conftest.tgetent0", 0640);
811 if test -f conftest.tgetent0; then
812 nmh_cv_func_tgetent_zero_success=yes
814 nmh_cv_func_tgetent_zero_success=no
816 nmh_cv_func_tgetent_zero_success=no,
817 nmh_cv_func_tgetent_zero_success=no)])
818 AH_TEMPLATE([TGETENT_SUCCESS],
819 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
820 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
821 AC_DEFINE(TGETENT_SUCCESS, 0)
823 AC_DEFINE(TGETENT_SUCCESS, 1)
826 dnl Now put the libraries back to what it was before we
827 dnl starting checking the termcap library.
828 LIBS="$nmh_save_LIBS"
840 dnl Check for sigset_t. Currently I'm looking in
841 dnl <sys/types.h> and <signal.h>. Others might need
843 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
844 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
845 #include <signal.h>]], [[sigset_t tempsigset;]])],
846 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
847 if test $nmh_cv_type_sigset_t = no; then
848 AC_DEFINE(sigset_t, unsigned int,
849 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
855 AC_CHECK_MEMBERS(struct stat.st_blksize)
857 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
858 [#ifdef TIME_WITH_SYS_TIME
859 # include <sys/time.h>
862 # ifdef TM_IN_SYS_TIME
863 # include <sys/time.h>
869 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
871 AC_MSG_CHECKING(for union wait)
872 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
873 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
874 #include <sys/wait.h>]],
875 [[union wait status; int pid; pid = wait (&status);
877 /* Some POSIXoid systems have both the new-style macros and the old
878 union wait type, and they do not work together. If union wait
879 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
880 if (WEXITSTATUS (status) != 0) pid = -1;
882 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
883 -- blow chunks here --
887 /* Make sure union wait works with waitpid. */
888 pid = waitpid (-1, &status, 0);
891 [nmh_cv_union_wait=yes],
892 [nmh_cv_union_wait=no])])
893 if test "$nmh_cv_union_wait" = yes; then
894 AC_DEFINE(HAVE_UNION_WAIT, 1,
895 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
897 AC_MSG_RESULT($nmh_cv_union_wait)
899 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
904 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
905 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
906 AC_MSG_CHECKING(what style of signals to use)
907 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
908 signals_style=POSIX_SIGNALS
909 AC_DEFINE(POSIX_SIGNALS, 1,
910 [Define to 1 if you use POSIX style signal handling.])
911 AC_DEFINE(RELIABLE_SIGNALS)
912 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
913 signals_style=BSD_SIGNALS
914 AC_DEFINE(BSD_SIGNALS,1,
915 [Define to 1 if you use BSD style signal handling (and can block signals).])
916 AC_DEFINE(RELIABLE_SIGNALS)
917 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
918 signals_style=SYSV_SIGNALS
919 AC_DEFINE(SYSV_SIGNALS,1,
920 [Define to 1 if you use SYSV style signal handling (and can block signals).])
922 signals_style=NO_SIGNAL_BLOCKING
923 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
924 [Define to 1 if you have no signal blocking at all (bummer).])
927 AC_MSG_RESULT($signals_style)
929 dnl Where is <signal.h> located? Needed as input for signames.awk
930 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
931 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
932 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
933 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
934 /usr/include/linux/signal.h dnl Linux up to 1.2.11
935 /usr/include/sys/signal.h dnl Almost everybody else
936 /dev/null; dnl Just in case we fall through
938 test -f $SIGNAL_H && \
939 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
942 nmh_cv_path_signal_h=$SIGNAL_H
944 SIGNAL_H=$nmh_cv_path_signal_h
945 AC_SUBST(SIGNAL_H)dnl
948 dnl OS SPECIFIC DEFINES
950 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
951 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
952 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
953 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
954 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
995 AC_DEFINE(SCO_5_STDIO)
1000 dnl ----------------
1001 dnl OUTPUT MAKEFILES
1002 dnl ----------------
1003 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
1004 mts/Makefile mts/smtp/Makefile \
1005 etc/Makefile docs/Makefile man/Makefile)
1006 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
1009 dnl These odd looking assignments are done to expand out unexpanded
1010 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
1011 dnl but expanding that gives '${prefix}/share/man', so we need to expand
1012 dnl again to get the final answer.
1013 dnl We only use the expanded versions to print the install paths in
1014 dnl the final summary and should use them nowhere else (see the autoconf
1015 dnl docs for the rationale for bindir etc being unexpanded).
1016 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
1017 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
1018 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
1019 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
1022 if test x"$enable_pop" = x"yes"; then
1025 if test x"$enable_apop" = x"yes"; then
1026 pop_kinds="${pop_kinds}APOP "
1029 pop_kinds="${pop_kinds}POP3)"
1035 nmh version : AC_PACKAGE_VERSION
1036 target os : ${target}
1038 compiler flags : ${CFLAGS}
1039 linker flags : ${LDFLAGS}
1040 definitions : ${OURDEFS}
1041 source code location : ${srcdir}
1042 binary install path : ${nmhbin}
1043 library install path : ${nmhlib}
1044 config files install path : ${nmhsysconf}
1045 man page install path : ${nmhman}
1046 backup prefix : ${backup_prefix}
1047 transport system : ${MTS}
1048 file locking type : ${LOCKTYPE}
1049 default smtp servers : ${smtpservers}
1050 default editor : ${editorpath}
1051 default pager : ${pagerpath}
1052 email address masquerading : ${masquerade}
1053 pop is enabled : ${pop_kinds}
1054 SASL support : ${sasl_support}
1055 TLS support : ${tls_support}"