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"
57 masquerade="draft_from mmailid username_extension")
58 AC_SUBST(masquerade)dnl
60 dnl Do you want mhe support?
62 AS_HELP_STRING([--disable-mhe],[disable mhe support]))
64 dnl mhe support is on by default, so define it unless --disable-mhe or the
65 dnl deprecated, undocumented --disable-nmh-mhe are specified.
66 if test x"$enable_mhe" != x"no" -a x"$enable_nmh_mhe" != x"no"; then
68 [Define to compile in support for the Emacs front-end mh-e.])dnl
71 dnl Do you want client-side support for pop?
73 AS_HELP_STRING([--enable-pop], [enable client-side support for plain POP3]))
74 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
75 if test x"$enable_nmh_pop" = x"yes"; then
79 dnl Do you want to disable use of locale functions
81 [Undefine if you don't want locale features. By default this is defined.])
82 AC_ARG_ENABLE([locale],
83 AC_HELP_STRING([--disable-locale], [turn off locale features]),
84 [if test x$enableval = xyes; then
90 dnl Do you want client-side support for using SASL for authentication?
91 dnl Note that this code will be enabled for both POP and SMTP
92 AC_ARG_WITH(cyrus-sasl, AS_HELP_STRING([--with-cyrus-sasl],
93 [Enable SASL support via the Cyrus SASL library]))
94 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
95 AC_DEFINE(CYRUS_SASL, 1,
96 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
97 if test x"$with_cyrus_sasl" != xyes; then
98 AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
99 AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])
106 dnl Do you want client-side support for encryption with TLS?
107 AC_ARG_WITH(tls, AS_HELP_STRING([--with-tls], [Enable TLS support]))
108 if test x"$with_tls" != x -a x"$with_tls" != x"no"; then
109 AC_DEFINE(TLS_SUPPORT, 1, [Support TLS for session encryption.])dnl
115 dnl What should be the default editor?
117 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
119 if test -n "$with_editor"; then
120 editorpath="$with_editor"
123 dnl Set the backup prefix
124 AC_ARG_WITH([hash-backup],
125 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
126 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
131 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix",
132 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
134 dnl After we know if we're including apop and kpop support, do pop stuff
135 if test x"$enable_pop" = x"yes"; then
137 [Define this to compile client-side support for pop into inc and msgchk.])dnl
139 POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
141 POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
146 dnl What method of locking to use?
148 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
149 [specify the file locking method]))
151 if test x"$with_locking" = x"dot"; then
153 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
154 elif test x"$with_locking" = x"flock"; then
156 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
157 elif test x"$with_locking" = x"lockf"; then
159 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
160 elif test x"$with_locking" = x"fcntl"; then
162 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
165 AC_DEFINE(DOT_LOCKING)dnl
168 dnl What method of posting should post use?
170 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
171 [specify the default mail transport agent/service]))
173 if test x"$with_mts" = x"smtp"; then
175 elif test x"$with_mts" = x"sendmail"; then
182 dnl Both the smtp and sendmail mail transport services use the smtp code
183 AC_DEFINE(SMTPMTS, 1,
184 [Define if you want SMTP (simple mail transport protocol) support.])dnl
186 dnl What should be the default pager?
188 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
190 if test -n "$with_pager"; then
191 pagerpath="$with_pager"
194 dnl What should be the default mail server(s)?
195 AC_ARG_WITH(smtpservers,
196 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
197 [specify the default SMTP server(s) @<:@localhost@:>@]))
198 if test -n "$with_smtpservers"; then
199 smtpservers="$with_smtpservers"
201 smtpservers="localhost"
203 AC_SUBST(smtpservers)dnl
205 dnl ----------------------------------------------------
206 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
207 dnl ----------------------------------------------------
208 AC_PREFIX_DEFAULT(/usr/local/nmh)
210 dnl ------------------
211 dnl CHECK THE COMPILER
212 dnl ------------------
213 dnl We want these before the checks,
214 dnl so the checks can modify their values.
215 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
216 if test x"$enable_debug" = x"yes"; then
217 test -z "$LDFLAGS" && LDFLAGS=-g
222 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
223 [nmh_saved_cflags="$CFLAGS"
224 CFLAGS="$CFLAGS -Wno-pointer-sign"
225 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
226 CFLAGS="$nmh_saved_cflags"])
228 dnl if the user hasn't specified CFLAGS, then
229 dnl if compiler is gcc, then
230 dnl use -O2 and some warning flags
232 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
233 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
234 dnl spurious and which in any case we don't want to deal with now.
235 if test "$nmh_cv_has_noptrsign" = "yes"; then
236 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
238 nmh_gcc_warnflags="-Wall"
241 if test -n "$auto_cflags"; then
242 if test x"$enable_debug" = x"yes"; then
243 if test -n "$GCC"; then
244 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
246 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
249 if test -z "$LDFLAGS"; then
259 if test -n "$GCC"; then
260 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
262 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
267 AC_C_CONST dnl Does compiler support `const'.
269 dnl ------------------
270 dnl CHECK FOR PROGRAMS
271 dnl ------------------
272 AC_PROG_MAKE_SET dnl Does make define $MAKE
273 AC_PROG_INSTALL dnl Check for BSD compatible `install'
274 AC_PROG_RANLIB dnl Check for `ranlib'
275 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
276 AC_PROG_LEX dnl Check for lex/flex
279 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
280 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
282 dnl ----------------------------------------------
283 dnl check for lclint, and lint if it doesn't exist
284 dnl ----------------------------------------------
285 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
286 if test x$ac_cv_prog_linttmp1 != xno ; then
287 LINT=$ac_cv_prog_linttmp1
288 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
290 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
291 if test x$ac_cv_prog_linttmp2 != xno ; then
292 LINT=$ac_cv_prog_linttmp2
295 LINT="echo 'No lint program found'"
300 AC_SUBST(LINTFLAGS)dnl
302 dnl try to figure out which one we've got
303 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
306 dnl Check for lorder and tsort commands
307 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
308 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
310 dnl If either doesn't exist, replace them with echo and cat
311 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
316 dnl Mac OS X has lorder, but sh is too broken for it to work
317 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
320 dnl AC_SUBST(LORDER)dnl
321 dnl AC_SUBST(TSORT)dnl
324 dnl Check whether tsort can deal with loops
325 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
326 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
329 nmh_cv_tsort_loop=yes
331 if test x$nmh_cv_tsort_loop = xno ; then
339 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
340 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
342 dnl See how we get ls to display the owner and the group
343 if test "$lspath" != "no"; then
344 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
346 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
347 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
348 dnl ls, it would seem -l gave us both the user and group. On this type of
349 dnl ls, -g makes _only_ the group be displayed (and not the user).
350 nmh_cv_ls_grpopt="-l"
352 dnl Looks like -l only gave us the user, so we need -g to get the group too.
353 nmh_cv_ls_grpopt="-lg"
358 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
359 AC_PATH_PROG(morepath, more, no, [$pathtmp])
361 dnl If pager is not specified yet,
362 dnl then use `more' as the default.
363 if test -z "$pagerpath"; then
364 pagerpath="$morepath"
366 AC_SUBST(pagerpath)dnl
368 dnl Look for `sendmail'
369 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
370 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
373 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
374 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
376 dnl If editor is not specified yet,
377 dnl then use `vi' as the default.
378 if test -z "$editorpath"; then
381 AC_SUBST(editorpath)dnl
383 dnl ----------------------------------------------------------
384 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
385 dnl ----------------------------------------------------------
386 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
387 [for mailspool in /var/mail dnl
390 /dev/null; dnl Just in case we fall through
392 test -d $mailspool && break
394 nmh_cv_mailspool=$mailspool
396 mailspool=$nmh_cv_mailspool
397 AC_SUBST(mailspool)dnl
399 dnl See whether the mail spool directory is world-writable.
400 if test "$lspath" != "no" -a "$cutpath" != "no"; then
401 AC_CACHE_CHECK(whether the mail spool is world-writable,
402 nmh_cv_mailspool_world_writable,
403 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
404 nmh_cv_mailspool_world_writable=no
406 nmh_cv_mailspool_world_writable=yes
410 dnl Also, check for liblockfile (as found on Debian systems)
411 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
413 dnl and whether its companion program dotlockfile is setgid
414 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
415 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
416 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
417 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
418 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
419 nmh_cv_dotlockfile_setgid=yes
421 nmh_cv_dotlockfile_setgid=no
426 dnl If mailspool is not world-writable and dotlockfile is not setgid,
427 dnl we need to #define MAILGROUP to 1 and make inc setgid.
428 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
429 dnl do we really need both of these?
430 AC_DEFINE(MAILGROUP,1,
431 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
434 AC_SUBST(SETGID_MAIL)dnl
436 dnl Use ls to see which group owns the mail spool directory.
437 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
438 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
440 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
441 AC_SUBST(MAIL_SPOOL_GRP)dnl
443 dnl ------------------
444 dnl CHECK HEADER FILES
445 dnl ------------------
447 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
448 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
449 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
450 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
451 dnl declared; if so they should have an entry added to this case statement.
452 dnl NB that we must define this on the compiler command line, not in config.h,
453 dnl because it must be set before any system header is included and there's no
454 dnl portable way to make sure that files generated by lex include config.h
455 dnl before system header files.
459 # Like DEFS, but doesn't get stomped on by configure when using config.h:
460 OURDEFS="$OURDEFS -D_GNU_SOURCE"
471 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
472 limits.h crypt.h termcap.h termio.h termios.h locale.h \
473 langinfo.h wchar.h wctype.h iconv.h netdb.h \
474 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
475 arpa/inet.h arpa/ftp.h)
478 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
479 dnl really use a whole set of them, but this check should be
482 AC_CHECK_HEADER(libio.h, [
483 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
484 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
486 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
487 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
488 [[#if HAVE_SYS_STREAM_H
489 # include <sys/stream.h>
497 AC_CHECK_LIB(mkstemp,mkstemp)
498 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
499 sighold sigrelse writev lstat uname tzset killpg mkstemp \
500 getutent nl_langinfo mbtowc wcwidth)
502 dnl sigsetjmp may be a macro
503 AC_MSG_CHECKING(for sigsetjmp)
504 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
505 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
506 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
509 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
511 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
512 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
513 dnl any system header.
515 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
516 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
518 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
519 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
520 AC_EGREP_HEADER(initgroups, unistd.h,
521 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
523 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
524 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
525 dnl seems to work perfectly and IBM apparently uses it in internal code).
526 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
527 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
528 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
530 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
531 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
533 dnl Check for multibyte character set support
534 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
535 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
536 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
537 [Define to enable support for multibyte character sets.])
540 dnl -------------------
541 dnl CHECK FOR LIBRARIES
542 dnl -------------------
543 dnl Check location of modf
544 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
546 dnl Checks for network libraries (nsl, socket)
549 termcap_curses_order="termcap curses ncurses"
550 for lib in $termcap_curses_order; do
551 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
559 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
560 if test "x$ac_cv_header_iconv_h" = "xyes"; then
561 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
562 if test "x$ac_found_iconv" = "xno"; then
563 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
564 if test "x$ac_found_iconv" = "xno"; then
565 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
567 if test "x$ac_found_iconv" != "xno"; then
571 dnl Handle case where there is a native iconv but iconv.h is from libiconv
572 AC_CHECK_DECL(_libiconv_version,
573 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
574 [ #include <iconv.h> ])
577 if test "x$ac_found_iconv" = xyes; then
578 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
581 dnl Check if iconv uses const in prototype declaration
582 if test "x$ac_found_iconv" = "xyes"; then
583 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
584 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
585 #include <iconv.h>]],
589 #if defined(__STDC__) || defined(__cplusplus)
590 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
594 [ac_cv_iconv_const=],
595 [ac_cv_iconv_const=const])])
596 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
597 [Define as const if the declaration of iconv() needs const.])
604 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
605 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
606 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
607 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
609 if test "$nmh_ndbm" = "autodetect"; then
610 if test "$nmh_ndbmheader" != "autodetect"; then
611 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
614 dnl There are at least four implementations of ndbm, and
615 dnl several of those can be in different places at the whim
616 dnl of the system integrator. A good summary of this mess
617 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
619 dnl Classic ndbm with no library required (eg NetBSD): try this
620 dnl first so we don't accidentally link in a pointless but harmless
621 dnl library in one of the later ndbm.h+libfoo tests:
622 NMH_CHECK_NDBM(ndbm.h,,,
623 dnl Berkeley DBv2 emulating ndbm: header in db.h:
624 NMH_CHECK_NDBM(db.h,db,,
625 dnl Berkeley DBv1 emulating ndbm:
626 NMH_CHECK_NDBM(ndbm.h,db,,
627 NMH_CHECK_NDBM(ndbm.h,db1,,
629 NMH_CHECK_NDBM(ndbm.h,ndbm,,
630 dnl glibc2.1 systems put db1 in a subdir:
631 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
632 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
633 dnl and possibly needing gbdm_compat library:
634 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
635 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
636 NMH_CHECK_NDBM(ndbm.h,gdbm,,
637 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
641 dnl We don't really need to check that the user-specified values work,
642 dnl but it is a convenience to the user to bomb out early rather than
643 dnl after configure and half the compile process.
644 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
647 if test "$nmh_ndbm_found" = "no"; then
648 AC_MSG_ERROR([could not find a working ndbm library/header combination])
650 dnl Now export the lib/header to our makefile/config.h:
651 if test x"$nmh_ndbmheader" != x; then
652 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
653 [Define to the header containing the ndbm API prototypes.])
655 if test x"$nmh_ndbm" != x; then
656 NDBM_LIBS="-l$nmh_ndbm"
664 dnl --------------------
665 dnl CHECK FOR CYRUS-SASL
666 dnl --------------------
668 AS_IF([test x"$sasl_support" = x"yes"],[
669 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
670 AC_CHECK_LIB([sasl2], [sasl_client_new], ,
671 [AC_MSG_ERROR([Cyrus SASL library not found])])])
673 dnl -----------------
674 dnl CHECK FOR OPENSSL
675 dnl -----------------
677 AS_IF([test x"$tls_support" = x"yes"],[
678 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
679 AC_CHECK_LIB([crypto], [BIO_write], ,
680 [AC_MSG_ERROR([OpenSSL crypto library not found])])
681 AC_CHECK_LIB([ssl], [SSL_library_init], ,
682 [AC_MSG_ERROR([OpenSSL library not found])])])
684 dnl ---------------------
685 dnl CHECK TERMCAP LIBRARY
686 dnl ---------------------
688 dnl Add the termcap library, so that the following configure
689 dnl tests will find it when it tries to link test programs.
690 nmh_save_LIBS="$LIBS"
691 LIBS="$TERMLIB $LIBS"
693 dnl Checks for external variable ospeed in the termcap library.
694 AC_CACHE_CHECK(if an include file defines ospeed,
695 nmh_cv_decl_ospeed_include_defines,
696 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
702 #endif]], [[ospeed = 0;]])],
703 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
705 if test $nmh_cv_decl_ospeed_include_defines = no; then
706 AC_CACHE_CHECK(if you must define ospeed,
707 nmh_cv_decl_ospeed_must_define,
708 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
709 [[extern short ospeed; ospeed = 0;]])],
710 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
713 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
714 if test $nmh_cv_decl_ospeed_include_defines = yes; then
715 AC_DEFINE(HAVE_OSPEED)dnl
716 elif test $nmh_cv_decl_ospeed_must_define = yes; then
717 AC_DEFINE(HAVE_OSPEED)
718 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
719 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
722 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
723 dnl Some termcaps reportedly accept a zero buffer, but then dump core
725 dnl Under Cygwin test program crashes but exit code is still 0. So,
726 dnl we test for a file that porgram should create
727 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
728 [Define to 1 if tgetent() accepts NULL as a buffer.])
729 AC_CACHE_CHECK(if tgetent accepts NULL,
730 nmh_cv_func_tgetent_accepts_null,
735 int r1 = tgetent(buf, "vt100");
736 int r2 = tgetent((char*)0,"vt100");
737 if (r1 >= 0 && r1 == r2) {
741 creat("conftest.tgetent", 0640);
743 exit((r1 != r2) || r2 == -1);
746 if test -f conftest.tgetent; then
747 nmh_cv_func_tgetent_accepts_null=yes
749 nmh_cv_func_tgetent_accepts_null=no
751 nmh_cv_func_tgetent_accepts_null=no,
752 nmh_cv_func_tgetent_accepts_null=no)])
753 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
754 AC_DEFINE(TGETENT_ACCEPTS_NULL)
756 AC_CACHE_CHECK(if tgetent returns 0 on success,
757 nmh_cv_func_tgetent_zero_success,
762 int r1 = tgetent(buf, "!@#$%^&*");
763 int r2 = tgetent(buf, "vt100");
764 if (r1 < 0 && r2 == 0) {
768 creat("conftest.tgetent0", 0640);
773 if test -f conftest.tgetent0; then
774 nmh_cv_func_tgetent_zero_success=yes
776 nmh_cv_func_tgetent_zero_success=no
778 nmh_cv_func_tgetent_zero_success=no,
779 nmh_cv_func_tgetent_zero_success=no)])
780 AH_TEMPLATE([TGETENT_SUCCESS],
781 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
782 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
783 AC_DEFINE(TGETENT_SUCCESS, 0)
785 AC_DEFINE(TGETENT_SUCCESS, 1)
788 dnl Now put the libraries back to what it was before we
789 dnl starting checking the termcap library.
790 LIBS="$nmh_save_LIBS"
802 dnl Check for sigset_t. Currently I'm looking in
803 dnl <sys/types.h> and <signal.h>. Others might need
805 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
806 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
807 #include <signal.h>]], [[sigset_t tempsigset;]])],
808 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
809 if test $nmh_cv_type_sigset_t = no; then
810 AC_DEFINE(sigset_t, unsigned int,
811 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
817 AC_CHECK_MEMBERS(struct stat.st_blksize)
819 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
820 [#ifdef TIME_WITH_SYS_TIME
821 # include <sys/time.h>
824 # ifdef TM_IN_SYS_TIME
825 # include <sys/time.h>
831 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
833 AC_MSG_CHECKING(for union wait)
834 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
835 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
836 #include <sys/wait.h>]],
837 [[union wait status; int pid; pid = wait (&status);
839 /* Some POSIXoid systems have both the new-style macros and the old
840 union wait type, and they do not work together. If union wait
841 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
842 if (WEXITSTATUS (status) != 0) pid = -1;
844 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
845 -- blow chunks here --
849 /* Make sure union wait works with waitpid. */
850 pid = waitpid (-1, &status, 0);
853 [nmh_cv_union_wait=yes],
854 [nmh_cv_union_wait=no])])
855 if test "$nmh_cv_union_wait" = yes; then
856 AC_DEFINE(HAVE_UNION_WAIT, 1,
857 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
859 AC_MSG_RESULT($nmh_cv_union_wait)
861 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
866 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
867 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
868 AC_MSG_CHECKING(what style of signals to use)
869 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
870 signals_style=POSIX_SIGNALS
871 AC_DEFINE(POSIX_SIGNALS, 1,
872 [Define to 1 if you use POSIX style signal handling.])
873 AC_DEFINE(RELIABLE_SIGNALS)
874 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
875 signals_style=BSD_SIGNALS
876 AC_DEFINE(BSD_SIGNALS,1,
877 [Define to 1 if you use BSD style signal handling (and can block signals).])
878 AC_DEFINE(RELIABLE_SIGNALS)
879 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
880 signals_style=SYSV_SIGNALS
881 AC_DEFINE(SYSV_SIGNALS,1,
882 [Define to 1 if you use SYSV style signal handling (and can block signals).])
884 signals_style=NO_SIGNAL_BLOCKING
885 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
886 [Define to 1 if you have no signal blocking at all (bummer).])
889 AC_MSG_RESULT($signals_style)
891 dnl Where is <signal.h> located? Needed as input for signames.awk
892 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
893 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
894 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
895 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
896 /usr/include/linux/signal.h dnl Linux up to 1.2.11
897 /usr/include/sys/signal.h dnl Almost everybody else
898 /dev/null; dnl Just in case we fall through
900 test -f $SIGNAL_H && \
901 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
904 nmh_cv_path_signal_h=$SIGNAL_H
906 SIGNAL_H=$nmh_cv_path_signal_h
907 AC_SUBST(SIGNAL_H)dnl
910 dnl OS SPECIFIC DEFINES
912 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
913 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
914 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
915 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
916 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
957 AC_DEFINE(SCO_5_STDIO)
965 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
966 mts/Makefile mts/smtp/Makefile \
967 etc/Makefile docs/Makefile man/Makefile)
968 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
971 dnl These odd looking assignments are done to expand out unexpanded
972 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
973 dnl but expanding that gives '${prefix}/share/man', so we need to expand
974 dnl again to get the final answer.
975 dnl We only use the expanded versions to print the install paths in
976 dnl the final summary and should use them nowhere else (see the autoconf
977 dnl docs for the rationale for bindir etc being unexpanded).
978 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
979 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
980 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
981 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
984 if test x"$enable_pop" = x"yes"; then
987 if test x"$enable_apop" = x"yes"; then
988 pop_kinds="${pop_kinds}APOP "
991 pop_kinds="${pop_kinds}POP3)"
997 nmh version : AC_PACKAGE_VERSION
998 target os : ${target}
1000 compiler flags : ${CFLAGS}
1001 linker flags : ${LDFLAGS}
1002 definitions : ${OURDEFS}
1003 source code location : ${srcdir}
1004 binary install path : ${nmhbin}
1005 library install path : ${nmhlib}
1006 config files install path : ${nmhsysconf}
1007 man page install path : ${nmhman}
1008 backup prefix : ${backup_prefix}
1009 transport system : ${MTS}
1010 file locking type : ${LOCKTYPE}
1011 default smtp servers : ${smtpservers}
1012 default editor : ${editorpath}
1013 default pager : ${pagerpath}
1014 email address masquerading : ${masquerade}
1015 pop is enabled : ${pop_kinds}
1016 SASL support : ${sasl_support}
1017 TLS support : ${tls_support}"