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 $DATE"
36 dnl --------------------------
37 dnl CHECK COMMAND LINE OPTIONS
38 dnl --------------------------
40 dnl Do you want client-side support for apop?
41 AC_ARG_ENABLE(apop, AS_HELP_STRING([--enable-apop],
42 [enable client-side support for POP3 and APOP]))
43 if test x"$enable_apop" = x"yes"; then
45 [Define to compile client-side support for apop into inc and msgchk.])dnl
51 dnl Do you want to debug nmh?
53 AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
54 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
55 if test x"$enable_nmh_debug" = x"yes"; then
59 dnl Allow users to send email from addresses other than their default?
60 AC_ARG_ENABLE(masquerade,
61 AS_HELP_STRING([--enable-masquerade='draft_from mmailid username_extension'],
62 [enable up to 3 types of address masquerading]),
63 [if test x"$enable_masquerade" = x"yes"; then
64 masquerade="draft_from mmailid username_extension"
66 masquerade="$enable_masquerade"
68 masquerade="draft_from mmailid username_extension")
69 AC_SUBST(masquerade)dnl
71 dnl Do you want mhe support?
73 AS_HELP_STRING([--disable-mhe],[disable mhe support]))
75 dnl mhe support is on by default, so define it unless --disable-mhe or the
76 dnl deprecated, undocumented --disable-nmh-mhe are specified.
77 if test x"$enable_mhe" != x"no" -a x"$enable_nmh_mhe" != x"no"; then
79 [Define to compile in support for the Emacs front-end mh-e.])dnl
82 dnl Do you want client-side support for pop?
84 AS_HELP_STRING([--enable-pop], [enable client-side support for plain POP3]))
85 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
86 if test x"$enable_nmh_pop" = x"yes"; then
90 dnl Do you want to disable use of locale functions
92 [Undefine if you don't want locale features. By default this is defined.])
93 AC_ARG_ENABLE([locale],
94 AC_HELP_STRING([--disable-locale], [turn off locale features]),
95 [if test x$enableval = xyes; then
101 dnl Do you want client-side support for using SASL for authentication?
102 dnl Note that this code will be enabled for both POP and SMTP
103 AC_ARG_WITH(cyrus-sasl, AS_HELP_STRING([--with-cyrus-sasl],
104 [Enable SASL support via the Cyrus SASL library]))
105 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
106 AC_DEFINE(CYRUS_SASL, 1,
107 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
108 if test x"$with_cyrus_sasl" != xyes; then
109 AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
110 AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])
117 dnl Do you want client-side support for encryption with TLS?
118 AC_ARG_WITH(tls, AS_HELP_STRING([--with-tls], [Enable TLS support]))
119 if test x"$with_tls" != x -a x"$with_tls" != x"no"; then
120 AC_DEFINE(TLS_SUPPORT, 1, [Support TLS for session encryption.])dnl
126 dnl What should be the default editor?
128 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
130 if test -n "$with_editor"; then
131 editorpath="$with_editor"
134 dnl Set the backup prefix
135 AC_ARG_WITH([hash-backup],
136 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
137 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
142 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix",
143 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
145 dnl Do you want support for hesiod
147 AS_HELP_STRING([--with-hesiod=DIR],[specify location of Hesiod]))
148 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
149 AC_DEFINE(HESIOD,1,[Define this to compile support for using Hesiod.])dnl
152 dnl After we know if we're including apop and kpop support, do pop stuff
153 if test x"$enable_pop" = x"yes"; then
155 [Define this to compile client-side support for pop into inc and msgchk.])dnl
157 POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
159 POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
164 dnl What method of locking to use?
166 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
167 [specify the file locking method]))
169 if test x"$with_locking" = x"dot"; then
171 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
172 elif test x"$with_locking" = x"flock"; then
174 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
175 elif test x"$with_locking" = x"lockf"; then
177 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
178 elif test x"$with_locking" = x"fcntl"; then
180 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
183 AC_DEFINE(DOT_LOCKING)dnl
186 dnl What method of posting should post use?
188 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
189 [specify the default mail transport agent/service]))
191 if test x"$with_mts" = x"smtp"; then
193 elif test x"$with_mts" = x"sendmail"; then
200 dnl Both the smtp and sendmail mail transport services use the smtp code
201 AC_DEFINE(SMTPMTS, 1,
202 [Define if you want SMTP (simple mail transport protocol) support.])dnl
204 dnl What should be the default pager?
206 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
208 if test -n "$with_pager"; then
209 pagerpath="$with_pager"
212 dnl What should be the default mail server(s)?
213 AC_ARG_WITH(smtpservers,
214 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
215 [specify the default SMTP server(s) @<:@localhost@:>@]))
216 if test -n "$with_smtpservers"; then
217 smtpservers="$with_smtpservers"
219 smtpservers="localhost"
221 AC_SUBST(smtpservers)dnl
223 dnl ----------------------------------------------------
224 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
225 dnl ----------------------------------------------------
226 AC_PREFIX_DEFAULT(/usr/local/nmh)
228 dnl ------------------
229 dnl CHECK THE COMPILER
230 dnl ------------------
231 dnl We want these before the checks,
232 dnl so the checks can modify their values.
233 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
234 if test x"$enable_debug" = x"yes"; then
235 test -z "$LDFLAGS" && LDFLAGS=-g
240 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
241 [nmh_saved_cflags="$CFLAGS"
242 CFLAGS="$CFLAGS -Wno-pointer-sign"
243 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
244 CFLAGS="$nmh_saved_cflags"])
246 dnl if the user hasn't specified CFLAGS, then
247 dnl if compiler is gcc, then
248 dnl use -O2 and some warning flags
250 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
251 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
252 dnl spurious and which in any case we don't want to deal with now.
253 if test "$nmh_cv_has_noptrsign" = "yes"; then
254 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
256 nmh_gcc_warnflags="-Wall"
259 if test -n "$auto_cflags"; then
260 if test x"$enable_debug" = x"yes"; then
261 if test -n "$GCC"; then
262 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
264 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
267 if test -z "$LDFLAGS"; then
277 if test -n "$GCC"; then
278 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
280 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
285 AC_C_CONST dnl Does compiler support `const'.
287 dnl ------------------
288 dnl CHECK FOR PROGRAMS
289 dnl ------------------
290 AC_PROG_MAKE_SET dnl Does make define $MAKE
291 AC_PROG_INSTALL dnl Check for BSD compatible `install'
292 AC_PROG_RANLIB dnl Check for `ranlib'
293 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
294 AC_PROG_LEX dnl Check for lex/flex
297 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
298 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
300 dnl ----------------------------------------------
301 dnl check for lclint, and lint if it doesn't exist
302 dnl ----------------------------------------------
303 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
304 if test x$ac_cv_prog_linttmp1 != xno ; then
305 LINT=$ac_cv_prog_linttmp1
306 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
308 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
309 if test x$ac_cv_prog_linttmp2 != xno ; then
310 LINT=$ac_cv_prog_linttmp2
313 LINT="echo 'No lint program found'"
318 AC_SUBST(LINTFLAGS)dnl
320 dnl try to figure out which one we've got
321 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
324 dnl Check for lorder and tsort commands
325 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
326 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
328 dnl If either doesn't exist, replace them with echo and cat
329 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
334 dnl Mac OS X has lorder, but sh is too broken for it to work
335 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
338 dnl AC_SUBST(LORDER)dnl
339 dnl AC_SUBST(TSORT)dnl
342 dnl Check whether tsort can deal with loops
343 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
344 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
347 nmh_cv_tsort_loop=yes
349 if test x$nmh_cv_tsort_loop = xno ; then
357 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
358 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
360 dnl See how we get ls to display the owner and the group
361 if test "$lspath" != "no"; then
362 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
364 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
365 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
366 dnl ls, it would seem -l gave us both the user and group. On this type of
367 dnl ls, -g makes _only_ the group be displayed (and not the user).
368 nmh_cv_ls_grpopt="-l"
370 dnl Looks like -l only gave us the user, so we need -g to get the group too.
371 nmh_cv_ls_grpopt="-lg"
376 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
377 AC_PATH_PROG(morepath, more, no, [$pathtmp])
379 dnl If pager is not specified yet,
380 dnl then use `more' as the default.
381 if test -z "$pagerpath"; then
382 pagerpath="$morepath"
384 AC_SUBST(pagerpath)dnl
386 dnl Look for `sendmail'
387 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
388 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
391 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
392 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
394 dnl If editor is not specified yet,
395 dnl then use `vi' as the default.
396 if test -z "$editorpath"; then
399 AC_SUBST(editorpath)dnl
401 dnl ----------------------------------------------------------
402 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
403 dnl ----------------------------------------------------------
404 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
405 [for mailspool in /var/mail dnl
408 /dev/null; dnl Just in case we fall through
410 test -d $mailspool && break
412 nmh_cv_mailspool=$mailspool
414 mailspool=$nmh_cv_mailspool
415 AC_SUBST(mailspool)dnl
417 dnl See whether the mail spool directory is world-writable.
418 if test "$lspath" != "no" -a "$cutpath" != "no"; then
419 AC_CACHE_CHECK(whether the mail spool is world-writable,
420 nmh_cv_mailspool_world_writable,
421 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
422 nmh_cv_mailspool_world_writable=no
424 nmh_cv_mailspool_world_writable=yes
428 dnl Also, check for liblockfile (as found on Debian systems)
429 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
431 dnl and whether its companion program dotlockfile is setgid
432 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
433 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
434 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
435 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
436 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
437 nmh_cv_dotlockfile_setgid=yes
439 nmh_cv_dotlockfile_setgid=no
444 dnl If mailspool is not world-writable and dotlockfile is not setgid,
445 dnl we need to #define MAILGROUP to 1 and make inc setgid.
446 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
447 dnl do we really need both of these?
448 AC_DEFINE(MAILGROUP,1,
449 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
452 AC_SUBST(SETGID_MAIL)dnl
454 dnl Use ls to see which group owns the mail spool directory.
455 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
456 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
458 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
459 AC_SUBST(MAIL_SPOOL_GRP)dnl
461 dnl ------------------
462 dnl CHECK HEADER FILES
463 dnl ------------------
465 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
466 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
467 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
468 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
469 dnl declared; if so they should have an entry added to this case statement.
470 dnl NB that we must define this on the compiler command line, not in config.h,
471 dnl because it must be set before any system header is included and there's no
472 dnl portable way to make sure that files generated by lex include config.h
473 dnl before system header files.
477 # Like DEFS, but doesn't get stomped on by configure when using config.h:
478 OURDEFS="$OURDEFS -D_GNU_SOURCE"
489 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
490 limits.h crypt.h termcap.h termio.h termios.h locale.h \
491 langinfo.h wchar.h wctype.h iconv.h netdb.h \
492 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
493 arpa/inet.h arpa/ftp.h)
496 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
497 dnl really use a whole set of them, but this check should be
500 AC_CHECK_HEADER(libio.h, [
501 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
502 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
504 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
505 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
506 [[#if HAVE_SYS_STREAM_H
507 # include <sys/stream.h>
515 AC_CHECK_LIB(mkstemp,mkstemp)
516 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
517 sighold sigrelse writev lstat uname tzset killpg mkstemp \
518 getutent nl_langinfo mbtowc wcwidth)
520 dnl sigsetjmp may be a macro
521 AC_MSG_CHECKING(for sigsetjmp)
522 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
523 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
524 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
527 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
529 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
530 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
531 dnl any system header.
533 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
534 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
536 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
537 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
538 AC_EGREP_HEADER(initgroups, unistd.h,
539 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
541 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
542 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
543 dnl seems to work perfectly and IBM apparently uses it in internal code).
544 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
545 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
546 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
548 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
549 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
551 dnl Check for multibyte character set support
552 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
553 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
554 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
555 [Define to enable support for multibyte character sets.])
558 dnl -------------------
559 dnl CHECK FOR LIBRARIES
560 dnl -------------------
561 dnl Check location of modf
562 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
564 dnl Checks for network libraries (nsl, socket)
567 termcap_curses_order="termcap curses ncurses"
568 for lib in $termcap_curses_order; do
569 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
577 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
578 if test "x$ac_cv_header_iconv_h" = "xyes"; then
579 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
580 if test "x$ac_found_iconv" = "xno"; then
581 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
582 if test "x$ac_found_iconv" = "xno"; then
583 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
585 if test "x$ac_found_iconv" != "xno"; then
589 dnl Handle case where there is a native iconv but iconv.h is from libiconv
590 AC_CHECK_DECL(_libiconv_version,
591 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
592 [ #include <iconv.h> ])
595 if test "x$ac_found_iconv" = xyes; then
596 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
599 dnl Check if iconv uses const in prototype declaration
600 if test "x$ac_found_iconv" = "xyes"; then
601 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
602 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
603 #include <iconv.h>]],
607 #if defined(__STDC__) || defined(__cplusplus)
608 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
612 [ac_cv_iconv_const=],
613 [ac_cv_iconv_const=const])])
614 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
615 [Define as const if the declaration of iconv() needs const.])
622 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
623 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
624 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
625 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
627 if test "$nmh_ndbm" = "autodetect"; then
628 if test "$nmh_ndbmheader" != "autodetect"; then
629 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
632 dnl There are at least four implementations of ndbm, and
633 dnl several of those can be in different places at the whim
634 dnl of the system integrator. A good summary of this mess
635 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
637 dnl Classic ndbm with no library required (eg NetBSD): try this
638 dnl first so we don't accidentally link in a pointless but harmless
639 dnl library in one of the later ndbm.h+libfoo tests:
640 NMH_CHECK_NDBM(ndbm.h,,,
641 dnl Berkeley DBv2 emulating ndbm: header in db.h:
642 NMH_CHECK_NDBM(db.h,db,,
643 dnl Berkeley DBv1 emulating ndbm:
644 NMH_CHECK_NDBM(ndbm.h,db,,
645 NMH_CHECK_NDBM(ndbm.h,db1,,
647 NMH_CHECK_NDBM(ndbm.h,ndbm,,
648 dnl glibc2.1 systems put db1 in a subdir:
649 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
650 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
651 dnl and possibly needing gbdm_compat library:
652 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
653 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
654 NMH_CHECK_NDBM(ndbm.h,gdbm,,
655 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
659 dnl We don't really need to check that the user-specified values work,
660 dnl but it is a convenience to the user to bomb out early rather than
661 dnl after configure and half the compile process.
662 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
665 if test "$nmh_ndbm_found" = "no"; then
666 AC_MSG_ERROR([could not find a working ndbm library/header combination])
668 dnl Now export the lib/header to our makefile/config.h:
669 if test x"$nmh_ndbmheader" != x; then
670 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
671 [Define to the header containing the ndbm API prototypes.])
673 if test x"$nmh_ndbm" != x; then
674 NDBM_LIBS="-l$nmh_ndbm"
685 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
686 if test x"$with_hesiod" != x"yes"; then
687 HESIOD_INCLUDES="-I$with_hesiod/include"
688 HESIOD_LIBS="-L$with_hesiod/lib"
690 AC_CHECK_FUNC(res_send,
691 [AC_CHECK_LIB(hesiod, hes_resolve,
692 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
693 [AC_MSG_ERROR(Hesiod library not found)],
695 [AC_CHECK_LIB(hesiod, hes_resolve,
696 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod -lresolv"],
697 [AC_MSG_ERROR(Hesiod library not found)],
698 $HESIOD_LIBS -lresolv)])
701 AC_SUBST(HESIOD_INCLUDES)dnl
702 AC_SUBST(HESIOD_LIBS)dnl
704 dnl --------------------
705 dnl CHECK FOR CYRUS-SASL
706 dnl --------------------
708 AS_IF([test x"$sasl_support" = x"yes"],[
709 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
710 AC_CHECK_LIB([sasl2], [sasl_client_new], ,
711 [AC_MSG_ERROR([Cyrus SASL library not found])])])
713 dnl -----------------
714 dnl CHECK FOR OPENSSL
715 dnl -----------------
717 AS_IF([test x"$tls_support" = x"yes"],[
718 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
719 AC_CHECK_LIB([crypto], [BIO_write], ,
720 [AC_MSG_ERROR([OpenSSL crypto library not found])])
721 AC_CHECK_LIB([ssl], [SSL_library_init], ,
722 [AC_MSG_ERROR([OpenSSL library not found])])])
724 dnl ---------------------
725 dnl CHECK TERMCAP LIBRARY
726 dnl ---------------------
728 dnl Add the termcap library, so that the following configure
729 dnl tests will find it when it tries to link test programs.
730 nmh_save_LIBS="$LIBS"
731 LIBS="$TERMLIB $LIBS"
733 dnl Checks for external variable ospeed in the termcap library.
734 AC_CACHE_CHECK(if an include file defines ospeed,
735 nmh_cv_decl_ospeed_include_defines,
736 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
742 #endif]], [[ospeed = 0;]])],
743 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
745 if test $nmh_cv_decl_ospeed_include_defines = no; then
746 AC_CACHE_CHECK(if you must define ospeed,
747 nmh_cv_decl_ospeed_must_define,
748 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
749 [[extern short ospeed; ospeed = 0;]])],
750 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
753 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
754 if test $nmh_cv_decl_ospeed_include_defines = yes; then
755 AC_DEFINE(HAVE_OSPEED)dnl
756 elif test $nmh_cv_decl_ospeed_must_define = yes; then
757 AC_DEFINE(HAVE_OSPEED)
758 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
759 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
762 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
763 dnl Some termcaps reportedly accept a zero buffer, but then dump core
765 dnl Under Cygwin test program crashes but exit code is still 0. So,
766 dnl we test for a file that porgram should create
767 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
768 [Define to 1 if tgetent() accepts NULL as a buffer.])
769 AC_CACHE_CHECK(if tgetent accepts NULL,
770 nmh_cv_func_tgetent_accepts_null,
775 int r1 = tgetent(buf, "vt100");
776 int r2 = tgetent((char*)0,"vt100");
777 if (r1 >= 0 && r1 == r2) {
781 creat("conftest.tgetent", 0640);
783 exit((r1 != r2) || r2 == -1);
786 if test -f conftest.tgetent; then
787 nmh_cv_func_tgetent_accepts_null=yes
789 nmh_cv_func_tgetent_accepts_null=no
791 nmh_cv_func_tgetent_accepts_null=no,
792 nmh_cv_func_tgetent_accepts_null=no)])
793 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
794 AC_DEFINE(TGETENT_ACCEPTS_NULL)
796 AC_CACHE_CHECK(if tgetent returns 0 on success,
797 nmh_cv_func_tgetent_zero_success,
802 int r1 = tgetent(buf, "!@#$%^&*");
803 int r2 = tgetent(buf, "vt100");
804 if (r1 < 0 && r2 == 0) {
808 creat("conftest.tgetent0", 0640);
813 if test -f conftest.tgetent0; then
814 nmh_cv_func_tgetent_zero_success=yes
816 nmh_cv_func_tgetent_zero_success=no
818 nmh_cv_func_tgetent_zero_success=no,
819 nmh_cv_func_tgetent_zero_success=no)])
820 AH_TEMPLATE([TGETENT_SUCCESS],
821 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
822 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
823 AC_DEFINE(TGETENT_SUCCESS, 0)
825 AC_DEFINE(TGETENT_SUCCESS, 1)
828 dnl Now put the libraries back to what it was before we
829 dnl starting checking the termcap library.
830 LIBS="$nmh_save_LIBS"
842 dnl Check for sigset_t. Currently I'm looking in
843 dnl <sys/types.h> and <signal.h>. Others might need
845 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
846 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
847 #include <signal.h>]], [[sigset_t tempsigset;]])],
848 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
849 if test $nmh_cv_type_sigset_t = no; then
850 AC_DEFINE(sigset_t, unsigned int,
851 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
857 AC_CHECK_MEMBERS(struct stat.st_blksize)
859 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
860 [#ifdef TIME_WITH_SYS_TIME
861 # include <sys/time.h>
864 # ifdef TM_IN_SYS_TIME
865 # include <sys/time.h>
871 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
873 AC_MSG_CHECKING(for union wait)
874 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
875 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
876 #include <sys/wait.h>]],
877 [[union wait status; int pid; pid = wait (&status);
879 /* Some POSIXoid systems have both the new-style macros and the old
880 union wait type, and they do not work together. If union wait
881 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
882 if (WEXITSTATUS (status) != 0) pid = -1;
884 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
885 -- blow chunks here --
889 /* Make sure union wait works with waitpid. */
890 pid = waitpid (-1, &status, 0);
893 [nmh_cv_union_wait=yes],
894 [nmh_cv_union_wait=no])])
895 if test "$nmh_cv_union_wait" = yes; then
896 AC_DEFINE(HAVE_UNION_WAIT, 1,
897 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
899 AC_MSG_RESULT($nmh_cv_union_wait)
901 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
906 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
907 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
908 AC_MSG_CHECKING(what style of signals to use)
909 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
910 signals_style=POSIX_SIGNALS
911 AC_DEFINE(POSIX_SIGNALS, 1,
912 [Define to 1 if you use POSIX style signal handling.])
913 AC_DEFINE(RELIABLE_SIGNALS)
914 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
915 signals_style=BSD_SIGNALS
916 AC_DEFINE(BSD_SIGNALS,1,
917 [Define to 1 if you use BSD style signal handling (and can block signals).])
918 AC_DEFINE(RELIABLE_SIGNALS)
919 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
920 signals_style=SYSV_SIGNALS
921 AC_DEFINE(SYSV_SIGNALS,1,
922 [Define to 1 if you use SYSV style signal handling (and can block signals).])
924 signals_style=NO_SIGNAL_BLOCKING
925 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
926 [Define to 1 if you have no signal blocking at all (bummer).])
929 AC_MSG_RESULT($signals_style)
931 dnl Where is <signal.h> located? Needed as input for signames.awk
932 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
933 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
934 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
935 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
936 /usr/include/linux/signal.h dnl Linux up to 1.2.11
937 /usr/include/sys/signal.h dnl Almost everybody else
938 /dev/null; dnl Just in case we fall through
940 test -f $SIGNAL_H && \
941 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
944 nmh_cv_path_signal_h=$SIGNAL_H
946 SIGNAL_H=$nmh_cv_path_signal_h
947 AC_SUBST(SIGNAL_H)dnl
950 dnl OS SPECIFIC DEFINES
952 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
953 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
954 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
955 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
956 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
997 AC_DEFINE(SCO_5_STDIO)
1002 dnl ----------------
1003 dnl OUTPUT MAKEFILES
1004 dnl ----------------
1005 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
1006 mts/Makefile mts/smtp/Makefile \
1007 etc/Makefile docs/Makefile man/Makefile)
1008 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
1011 dnl These odd looking assignments are done to expand out unexpanded
1012 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
1013 dnl but expanding that gives '${prefix}/share/man', so we need to expand
1014 dnl again to get the final answer.
1015 dnl We only use the expanded versions to print the install paths in
1016 dnl the final summary and should use them nowhere else (see the autoconf
1017 dnl docs for the rationale for bindir etc being unexpanded).
1018 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
1019 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
1020 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
1021 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
1024 if test x"$enable_pop" = x"yes"; then
1027 if test x"$enable_apop" = x"yes"; then
1028 pop_kinds="${pop_kinds}APOP "
1031 pop_kinds="${pop_kinds}POP3)"
1037 nmh version : AC_PACKAGE_VERSION
1038 target os : ${target}
1040 compiler flags : ${CFLAGS}
1041 linker flags : ${LDFLAGS}
1042 definitions : ${OURDEFS}
1043 source code location : ${srcdir}
1044 binary install path : ${nmhbin}
1045 library install path : ${nmhlib}
1046 config files install path : ${nmhsysconf}
1047 man page install path : ${nmhman}
1048 backup prefix : ${backup_prefix}
1049 transport system : ${MTS}
1050 file locking type : ${LOCKTYPE}
1051 default smtp servers : ${smtpservers}
1052 default editor : ${editorpath}
1053 default pager : ${pagerpath}
1054 email address masquerading : ${masquerade}
1055 pop is enabled : ${pop_kinds}
1056 SASL support : ${sasl_support}
1057 TLS support : ${tls_support}"