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 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
506 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
507 dnl any system header.
509 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
510 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
512 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
513 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
514 AC_EGREP_HEADER(initgroups, unistd.h,
515 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
517 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
518 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
519 dnl seems to work perfectly and IBM apparently uses it in internal code).
520 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
521 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
522 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
524 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
525 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
527 dnl Check for multibyte character set support
528 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
529 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
530 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
531 [Define to enable support for multibyte character sets.])
534 dnl -------------------
535 dnl CHECK FOR LIBRARIES
536 dnl -------------------
537 dnl Check location of modf
538 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
540 dnl Checks for network libraries (nsl, socket)
543 termcap_curses_order="termcap curses ncurses"
544 for lib in $termcap_curses_order; do
545 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
553 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
554 if test "x$ac_cv_header_iconv_h" = "xyes"; then
555 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
556 if test "x$ac_found_iconv" = "xno"; then
557 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
558 if test "x$ac_found_iconv" = "xno"; then
559 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
561 if test "x$ac_found_iconv" != "xno"; then
565 dnl Handle case where there is a native iconv but iconv.h is from libiconv
566 AC_CHECK_DECL(_libiconv_version,
567 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
568 [ #include <iconv.h> ])
571 if test "x$ac_found_iconv" = xyes; then
572 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
575 dnl Check if iconv uses const in prototype declaration
576 if test "x$ac_found_iconv" = "xyes"; then
577 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
578 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
579 #include <iconv.h>]],
583 #if defined(__STDC__) || defined(__cplusplus)
584 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
588 [ac_cv_iconv_const=],
589 [ac_cv_iconv_const=const])])
590 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
591 [Define as const if the declaration of iconv() needs const.])
598 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
599 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
600 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
601 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
603 if test "$nmh_ndbm" = "autodetect"; then
604 if test "$nmh_ndbmheader" != "autodetect"; then
605 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
608 dnl There are at least four implementations of ndbm, and
609 dnl several of those can be in different places at the whim
610 dnl of the system integrator. A good summary of this mess
611 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
613 dnl Classic ndbm with no library required (eg NetBSD): try this
614 dnl first so we don't accidentally link in a pointless but harmless
615 dnl library in one of the later ndbm.h+libfoo tests:
616 NMH_CHECK_NDBM(ndbm.h,,,
617 dnl Berkeley DBv2 emulating ndbm: header in db.h:
618 NMH_CHECK_NDBM(db.h,db,,
619 dnl Berkeley DBv1 emulating ndbm:
620 NMH_CHECK_NDBM(ndbm.h,db,,
621 NMH_CHECK_NDBM(ndbm.h,db1,,
623 NMH_CHECK_NDBM(ndbm.h,ndbm,,
624 dnl glibc2.1 systems put db1 in a subdir:
625 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
626 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
627 dnl and possibly needing gbdm_compat library:
628 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
629 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
630 NMH_CHECK_NDBM(ndbm.h,gdbm,,
631 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
635 dnl We don't really need to check that the user-specified values work,
636 dnl but it is a convenience to the user to bomb out early rather than
637 dnl after configure and half the compile process.
638 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
641 if test "$nmh_ndbm_found" = "no"; then
642 AC_MSG_ERROR([could not find a working ndbm library/header combination])
644 dnl Now export the lib/header to our makefile/config.h:
645 if test x"$nmh_ndbmheader" != x; then
646 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
647 [Define to the header containing the ndbm API prototypes.])
649 if test x"$nmh_ndbm" != x; then
650 NDBM_LIBS="-l$nmh_ndbm"
657 dnl ------------------
658 dnl Set RPM build root
659 dnl ------------------
660 dnl nmhrpm is used in the final summary, see below. The default value is
661 dnl reported there as ./RPM, consistent with the reporting of the default
662 dnl source code location as ., but its absolute path is used in the Makefile.
664 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
665 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
666 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
670 dnl --------------------
671 dnl CHECK FOR CYRUS-SASL
672 dnl --------------------
674 AS_IF([test x"$sasl_support" = x"yes"],[
675 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
676 AC_CHECK_LIB([sasl2], [sasl_client_new], ,
677 [AC_MSG_ERROR([Cyrus SASL library not found])])])
679 dnl -----------------
680 dnl CHECK FOR OPENSSL
681 dnl -----------------
683 AS_IF([test x"$tls_support" = x"yes"],[
684 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
685 AC_CHECK_LIB([crypto], [BIO_write], ,
686 [AC_MSG_ERROR([OpenSSL crypto library not found])])
687 AC_CHECK_LIB([ssl], [SSL_library_init], ,
688 [AC_MSG_ERROR([OpenSSL library not found])])])
690 dnl ---------------------
691 dnl CHECK TERMCAP LIBRARY
692 dnl ---------------------
694 dnl Add the termcap library, so that the following configure
695 dnl tests will find it when it tries to link test programs.
696 nmh_save_LIBS="$LIBS"
697 LIBS="$TERMLIB $LIBS"
699 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
700 dnl Some termcaps reportedly accept a zero buffer, but then dump core
702 dnl Under Cygwin test program crashes but exit code is still 0. So,
703 dnl we test for a file that porgram should create
704 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
705 [Define to 1 if tgetent() accepts NULL as a buffer.])
706 AC_CACHE_CHECK(if tgetent accepts NULL,
707 nmh_cv_func_tgetent_accepts_null,
712 int r1 = tgetent(buf, "vt100");
713 int r2 = tgetent((char*)0,"vt100");
714 if (r1 >= 0 && r1 == r2) {
718 creat("conftest.tgetent", 0640);
720 exit((r1 != r2) || r2 == -1);
723 if test -f conftest.tgetent; then
724 nmh_cv_func_tgetent_accepts_null=yes
726 nmh_cv_func_tgetent_accepts_null=no
728 nmh_cv_func_tgetent_accepts_null=no,
729 nmh_cv_func_tgetent_accepts_null=no)])
730 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
731 AC_DEFINE(TGETENT_ACCEPTS_NULL)
733 AC_CACHE_CHECK(if tgetent returns 0 on success,
734 nmh_cv_func_tgetent_zero_success,
739 int r1 = tgetent(buf, "!@#$%^&*");
740 int r2 = tgetent(buf, "vt100");
741 if (r1 < 0 && r2 == 0) {
745 creat("conftest.tgetent0", 0640);
750 if test -f conftest.tgetent0; then
751 nmh_cv_func_tgetent_zero_success=yes
753 nmh_cv_func_tgetent_zero_success=no
755 nmh_cv_func_tgetent_zero_success=no,
756 nmh_cv_func_tgetent_zero_success=no)])
757 AH_TEMPLATE([TGETENT_SUCCESS],
758 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
759 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
760 AC_DEFINE(TGETENT_SUCCESS, 0)
762 AC_DEFINE(TGETENT_SUCCESS, 1)
765 dnl Now put the libraries back to what it was before we
766 dnl starting checking the termcap library.
767 LIBS="$nmh_save_LIBS"
779 dnl Check for sigset_t. Currently I'm looking in
780 dnl <sys/types.h> and <signal.h>. Others might need
782 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
783 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
784 #include <signal.h>]], [[sigset_t tempsigset;]])],
785 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
786 if test $nmh_cv_type_sigset_t = no; then
787 AC_DEFINE(sigset_t, unsigned int,
788 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
794 AC_CHECK_MEMBERS(struct stat.st_blksize)
796 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
797 [#ifdef TIME_WITH_SYS_TIME
798 # include <sys/time.h>
801 # ifdef TM_IN_SYS_TIME
802 # include <sys/time.h>
808 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
810 AC_MSG_CHECKING(for union wait)
811 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
812 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
813 #include <sys/wait.h>]],
814 [[union wait status; int pid; pid = wait (&status);
816 /* Some POSIXoid systems have both the new-style macros and the old
817 union wait type, and they do not work together. If union wait
818 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
819 if (WEXITSTATUS (status) != 0) pid = -1;
821 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
822 -- blow chunks here --
826 /* Make sure union wait works with waitpid. */
827 pid = waitpid (-1, &status, 0);
830 [nmh_cv_union_wait=yes],
831 [nmh_cv_union_wait=no])])
832 if test "$nmh_cv_union_wait" = yes; then
833 AC_DEFINE(HAVE_UNION_WAIT, 1,
834 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
836 AC_MSG_RESULT($nmh_cv_union_wait)
838 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
843 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
844 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
845 AC_MSG_CHECKING(what style of signals to use)
846 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
847 signals_style=POSIX_SIGNALS
848 AC_DEFINE(POSIX_SIGNALS, 1,
849 [Define to 1 if you use POSIX style signal handling.])
850 AC_DEFINE(RELIABLE_SIGNALS)
851 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
852 signals_style=BSD_SIGNALS
853 AC_DEFINE(BSD_SIGNALS,1,
854 [Define to 1 if you use BSD style signal handling (and can block signals).])
855 AC_DEFINE(RELIABLE_SIGNALS)
856 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
857 signals_style=SYSV_SIGNALS
858 AC_DEFINE(SYSV_SIGNALS,1,
859 [Define to 1 if you use SYSV style signal handling (and can block signals).])
861 signals_style=NO_SIGNAL_BLOCKING
862 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
863 [Define to 1 if you have no signal blocking at all (bummer).])
866 AC_MSG_RESULT($signals_style)
868 dnl Where is <signal.h> located? Needed as input for signames.awk
869 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
870 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
871 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
872 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
873 /usr/include/linux/signal.h dnl Linux up to 1.2.11
874 /usr/include/sys/signal.h dnl Almost everybody else
875 /dev/null; dnl Just in case we fall through
877 test -f $SIGNAL_H && \
878 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
881 nmh_cv_path_signal_h=$SIGNAL_H
883 SIGNAL_H=$nmh_cv_path_signal_h
884 AC_SUBST(SIGNAL_H)dnl
887 dnl OS SPECIFIC DEFINES
889 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
890 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
891 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
892 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
893 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
934 AC_DEFINE(SCO_5_STDIO)
942 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
943 mts/Makefile mts/smtp/Makefile \
944 etc/Makefile docs/Makefile man/Makefile)
945 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
948 dnl These odd looking assignments are done to expand out unexpanded
949 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
950 dnl but expanding that gives '${prefix}/share/man', so we need to expand
951 dnl again to get the final answer.
952 dnl We only use the expanded versions to print the install paths in
953 dnl the final summary and should use them nowhere else (see the autoconf
954 dnl docs for the rationale for bindir etc being unexpanded).
955 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
956 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
957 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
958 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
959 eval "nmhrpm=${nmhrpm}";
962 if test x"$enable_pop" = x"yes"; then
965 if test x"$enable_apop" = x"yes"; then
966 pop_kinds="${pop_kinds}APOP "
969 pop_kinds="${pop_kinds}POP3)"
975 nmh version : AC_PACKAGE_VERSION
976 target os : ${target}
978 compiler flags : ${CFLAGS}
979 linker flags : ${LDFLAGS}
980 definitions : ${OURDEFS}
981 source code location : ${srcdir}
982 binary install path : ${nmhbin}
983 library install path : ${nmhlib}
984 config files install path : ${nmhsysconf}
985 man page install path : ${nmhman}
986 RPM build root : ${nmhrpm}
987 backup prefix : ${backup_prefix}
988 transport system : ${MTS}
989 file locking type : ${LOCKTYPE}
990 default smtp servers : ${smtpservers}
991 default editor : ${editorpath}
992 default pager : ${pagerpath}
993 email address masquerading : ${masquerade}
994 pop is enabled : ${pop_kinds}
995 SASL support : ${sasl_support}
996 TLS support : ${tls_support}"