2 dnl configure.ac -- autoconf template for nmh
8 AC_INIT([nmh], m4_normalize(m4_include([VERSION])), [nmh-workers@nongnu.org])
9 AC_CONFIG_SRCDIR([h/nmh.h])
10 AC_CONFIG_HEADER([config.h])
11 AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
15 echo "configuring for AC_PACKAGE_NAME-AC_PACKAGE_VERSION"
16 AC_SUBST(VERSION,AC_PACKAGE_VERSION)dnl
18 dnl What date of nmh are we building?
19 DATE=`cat ${srcdir}/DATE`
20 echo "configuring for nmh dated $DATE"
23 dnl --------------------------
24 dnl CHECK COMMAND LINE OPTIONS
25 dnl --------------------------
27 dnl Do you want to debug nmh?
28 AC_ARG_ENABLE([debug],
29 AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
30 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
31 if test x"$enable_nmh_debug" = x"yes"; then
35 dnl Allow users to send email from addresses other than their default?
36 AC_ARG_ENABLE(masquerade,
37 AS_HELP_STRING([--enable-masquerade='draft_from mmailid username_extension'],
38 [enable up to 3 types of address masquerading]),
39 [if test x"$enable_masquerade" = x"yes"; then
40 masquerade="draft_from mmailid username_extension"
42 masquerade="$enable_masquerade"
43 fi], [masquerade="draft_from mmailid username_extension"])
44 AC_SUBST(masquerade)dnl
46 dnl Do you want client-side support for pop?
48 AS_HELP_STRING([--enable-pop], [enable client-side support for plain POP3]))
49 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
50 if test x"$enable_nmh_pop" = x"yes"; then
54 dnl Do you want to disable use of locale functions
56 [Undefine if you don't want locale features. By default this is defined.])
57 AC_ARG_ENABLE([locale],
58 AC_HELP_STRING([--disable-locale], [turn off locale features]),
59 [if test x$enableval = xyes; then
65 dnl Do you want client-side support for using SASL for authentication?
66 dnl Note that this code will be enabled for both POP and SMTP
67 AC_ARG_WITH([cyrus-sasl], AS_HELP_STRING([--with-cyrus-sasl],
68 [Enable SASL support via the Cyrus SASL library]))
69 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
70 AC_DEFINE([CYRUS_SASL], [1],
71 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
72 if test x"$with_cyrus_sasl" != xyes; then
73 AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
74 AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])
81 dnl Do you want client-side support for encryption with TLS?
82 AC_ARG_WITH([tls], AS_HELP_STRING([--with-tls], [Enable TLS support]))
83 if test x"$with_tls" != x -a x"$with_tls" != x"no"; then
84 AC_DEFINE([TLS_SUPPORT], [1], [Support TLS for session encryption.])dnl
90 dnl What should be the default editor?
92 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
94 if test -n "$with_editor"; then
95 editorpath="$with_editor"
98 dnl Set the backup prefix
99 AC_ARG_WITH([hash-backup],
100 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
101 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
106 AC_DEFINE_UNQUOTED([BACKUP_PREFIX], "$backup_prefix",
107 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
109 dnl After we know if we're including apop and kpop support, do pop stuff
110 if test x"$enable_pop" = x"yes"; then
112 [Define this to compile client-side support for pop into inc and msgchk.])dnl
114 AM_CONDITIONAL([POP_SUPPORT], [test x"$enable_pop" = x"yes"])
116 dnl What method of locking to use?
118 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
119 [specify the file locking method]))
121 if test x"$with_locking" = x"dot"; then
123 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
124 elif test x"$with_locking" = x"flock"; then
126 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
127 elif test x"$with_locking" = x"lockf"; then
129 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
130 elif test x"$with_locking" = x"fcntl"; then
132 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
135 AC_DEFINE(DOT_LOCKING)dnl
138 dnl Should we use a locking directory?
139 AC_ARG_ENABLE([lockdir], [
140 AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [
141 AS_IF([test "x$enableval" = xyes],[
142 AC_MSG_ERROR([--enable-lockdir requires an argument])])
143 AS_IF([test "x$LOCKTYPE" != xdot],[
144 AC_MSG_ERROR([Can only use --enable-lockdir with dot locking])])
145 AC_DEFINE_UNQUOTED([LOCKDIR], ["$enableval"],
146 [Directory to store dot-locking lock files])
149 dnl What method of posting should post use?
151 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
152 [specify the default mail transport agent/service]))
154 if test x"$with_mts" = x"smtp"; then
156 elif test x"$with_mts" = x"sendmail"; then
163 dnl Both the smtp and sendmail mail transport services use the smtp code
164 AC_DEFINE([SMTPMTS], [1],
165 [Define if you want SMTP (simple mail transport protocol) support.])dnl
167 dnl What should be the default pager?
169 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
171 if test -n "$with_pager"; then
172 pagerpath="$with_pager"
175 dnl What should be the default mail server(s)?
176 AC_ARG_WITH(smtpservers,
177 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
178 [specify the default SMTP server(s) @<:@localhost@:>@]))
179 if test -n "$with_smtpservers"; then
180 smtpservers="$with_smtpservers"
182 smtpservers="localhost"
184 AC_SUBST([smtpservers])dnl
186 dnl ----------------------------------------------------
187 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
188 dnl ----------------------------------------------------
189 AC_PREFIX_DEFAULT([/usr/local/nmh])
191 dnl ------------------
192 dnl CHECK THE COMPILER
193 dnl ------------------
194 dnl We want these before the checks,
195 dnl so the checks can modify their values.
196 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
197 if test x"$enable_debug" = x"yes"; then
198 test -z "$LDFLAGS" && LDFLAGS=-g
204 AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros],
205 [nmh_cv_has_unusedmacros],
206 [nmh_saved_cppflags="$CPPFLAGS"
207 CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros"
208 AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no)
209 CPPFLAGS="$nmh_saved_cppflags"])
211 if test "$nmh_cv_has_unusedmacros" = 'yes'; then
212 test -z "$CPPLAGS" && CPPFLAGS=-Wunused-macros \
213 || CPPFLAGS="$CPPFLAGS -Wunused-macros"
214 DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros
216 AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl
218 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
219 [nmh_saved_cflags="$CFLAGS"
220 CFLAGS="$CFLAGS -Wextra -Wno-clobbered"
221 AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
222 CFLAGS="$nmh_saved_cflags"])
224 AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
225 [nmh_saved_cflags="$CFLAGS"
226 CFLAGS="$CFLAGS -Wno-pointer-sign"
227 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
228 CFLAGS="$nmh_saved_cflags"])
230 dnl if the user hasn't specified CFLAGS, then
231 dnl if compiler is gcc, then
232 dnl use -O2 and some warning flags
234 dnl We use -Wall and -Wextra if supported. If the compiler supports it we
235 dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
236 dnl warnings which are probably mostly spurious and which in any case we
237 dnl don't want to deal with now.
238 if test "$nmh_cv_has_noptrsign" = "yes"; then
239 if test "$nmh_cv_has_wextra" = "yes"; then
240 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered -Wno-pointer-sign"
242 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
245 if test "$nmh_cv_has_wextra" = "yes"; then
246 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered"
248 nmh_gcc_warnflags="-Wall"
252 if test -n "$auto_cflags"; then
253 if test x"$enable_debug" = x"yes"; then
254 if test -n "$GCC"; then
255 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
257 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
260 if test -z "$LDFLAGS"; then
270 if test -n "$GCC"; then
271 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
273 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
278 AC_C_CONST dnl Does compiler support `const'.
280 dnl ------------------
281 dnl CHECK FOR PROGRAMS
282 dnl ------------------
283 AC_PROG_MAKE_SET dnl Does make define $MAKE
284 AC_PROG_INSTALL dnl Check for BSD compatible `install'
285 AC_PROG_RANLIB dnl Check for `ranlib'
286 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
287 AC_PROG_SED dnl Check for Posix-compliant sed
288 AC_PROG_LEX dnl Check for lex/flex
291 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
292 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
294 dnl ----------------------------------------------
295 dnl check for lclint, and lint if it doesn't exist
296 dnl ----------------------------------------------
297 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
298 if test x$ac_cv_prog_linttmp1 != xno ; then
299 LINT=$ac_cv_prog_linttmp1
300 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
302 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
303 if test x$ac_cv_prog_linttmp2 != xno ; then
304 LINT=$ac_cv_prog_linttmp2
307 LINT="echo 'No lint program found'"
312 AC_SUBST([LINTFLAGS])dnl
315 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
316 AC_PATH_PROG([lspath], [ls], [no], [$pathtmp])
318 dnl See how we get ls to display the owner and the group
319 if test "$lspath" != "no"; then
320 AC_CACHE_CHECK([how to get ls to show us the group ownership of a file],
322 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
323 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
324 dnl ls, it would seem -l gave us both the user and group. On this type of
325 dnl ls, -g makes _only_ the group be displayed (and not the user).
326 nmh_cv_ls_grpopt="-l"
328 dnl Looks like -l only gave us the user, so we need -g to get the group too.
329 nmh_cv_ls_grpopt="-lg"
334 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
335 AC_PATH_PROG([morepath], [more], [no], [$pathtmp])
337 dnl If pager is not specified yet,
338 dnl then use `more' as the default.
339 if test -z "$pagerpath"; then
340 pagerpath="$morepath"
342 AC_SUBST(pagerpath)dnl
344 dnl Look for `sendmail'
345 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
346 AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp])
349 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
350 AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp])
352 dnl If editor is not specified yet,
353 dnl then use `vi' as the default.
354 if test -z "$editorpath"; then
357 AC_SUBST([editorpath])dnl
359 dnl ----------------------------------------------------------
360 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
361 dnl ----------------------------------------------------------
362 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
363 [for mailspool in /var/mail dnl
366 /dev/null; dnl Just in case we fall through
368 test -d $mailspool && break
370 nmh_cv_mailspool=$mailspool
372 mailspool=$nmh_cv_mailspool
373 AC_SUBST(mailspool)dnl
375 dnl See whether the mail spool directory is world-writable.
376 if test "$lspath" != "no" -a "$cutpath" != "no"; then
377 AC_CACHE_CHECK(whether the mail spool is world-writable,
378 nmh_cv_mailspool_world_writable,
379 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
380 nmh_cv_mailspool_world_writable=no
382 nmh_cv_mailspool_world_writable=yes
386 dnl Also, check for liblockfile (as found on Debian systems)
387 AC_CHECK_HEADER([lockfile.h], AC_CHECK_LIB(lockfile, lockfile_create) )
389 dnl and whether its companion program dotlockfile is setgid
390 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
391 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
392 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
393 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
394 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
395 nmh_cv_dotlockfile_setgid=yes
397 nmh_cv_dotlockfile_setgid=no
402 dnl If mailspool is not world-writable and dotlockfile is not setgid,
403 dnl we need to #define MAILGROUP to 1 and make inc setgid.
404 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
405 dnl do we really need both of these?
406 AC_DEFINE(MAILGROUP,1,
407 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
410 AC_SUBST(SETGID_MAIL)dnl
412 dnl Use ls to see which group owns the mail spool directory.
413 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
414 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
416 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
417 AC_SUBST(MAIL_SPOOL_GRP)dnl
419 dnl ------------------
420 dnl CHECK HEADER FILES
421 dnl ------------------
423 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
424 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
425 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
426 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
427 dnl declared; if so they should have an entry added to this case statement.
428 dnl NB that we must define this on the compiler command line, not in config.h,
429 dnl because it must be set before any system header is included and there's no
430 dnl portable way to make sure that files generated by lex include config.h
431 dnl before system header files.
435 # Like DEFS, but doesn't get stomped on by configure when using config.h:
436 test -z "$OURDEFS" && OURDEFS="-D_GNU_SOURCE" \
437 || OURDEFS="$OURDEFS -D_GNU_SOURCE"
444 AC_CHECK_HEADERS(errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
445 langinfo.h wchar.h wctype.h iconv.h netdb.h \
446 sys/param.h sys/time.h sys/stream.h)
449 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
450 dnl really use a whole set of them, but this check should be
453 AC_CHECK_HEADER(libio.h, [
454 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
455 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
457 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
458 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
459 [[#if HAVE_SYS_STREAM_H
460 # include <sys/stream.h>
467 AC_CHECK_FUNCS(writev lstat nl_langinfo)
469 dnl Check for multibyte character set support
470 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
471 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
472 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
473 [Define to enable support for multibyte character sets.])
476 dnl -------------------
477 dnl CHECK FOR LIBRARIES
478 dnl -------------------
479 dnl Check location of modf
480 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
482 dnl Checks for network libraries (nsl, socket)
485 termcap_curses_order="termcap curses ncurses"
486 for lib in $termcap_curses_order; do
487 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
489 AC_SUBST([TERMLIB])dnl
495 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
496 if test "x$ac_cv_header_iconv_h" = "xyes"; then
497 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
498 if test "x$ac_found_iconv" = "xno"; then
499 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
500 if test "x$ac_found_iconv" = "xno"; then
501 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
503 if test "x$ac_found_iconv" != "xno"; then
507 dnl Handle case where there is a native iconv but iconv.h is from libiconv
508 AC_CHECK_DECL(_libiconv_version,
509 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
510 [ #include <iconv.h> ])
513 if test "x$ac_found_iconv" = xyes; then
514 AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.])
518 dnl Check if iconv uses const in prototype declaration
519 if test "x$ac_found_iconv" = "xyes"; then
520 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
521 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
522 #include <iconv.h>]],
526 #if defined(__STDC__) || defined(__cplusplus)
527 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
531 [ac_cv_iconv_const=],
532 [ac_cv_iconv_const=const])])
533 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
534 [Define as const if the declaration of iconv() needs const.])
541 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
542 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
543 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
544 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
546 if test "$nmh_ndbm" = "autodetect"; then
547 if test "$nmh_ndbmheader" != "autodetect"; then
548 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
551 dnl There are at least four implementations of ndbm, and
552 dnl several of those can be in different places at the whim
553 dnl of the system integrator. A good summary of this mess
554 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
556 dnl Classic ndbm with no library required (eg NetBSD): try this
557 dnl first so we don't accidentally link in a pointless but harmless
558 dnl library in one of the later ndbm.h+libfoo tests:
559 NMH_CHECK_NDBM(ndbm.h,,,
560 dnl Berkeley DBv2 emulating ndbm: header in db.h:
561 NMH_CHECK_NDBM(db.h,db,,
562 dnl Berkeley DBv1 emulating ndbm:
563 NMH_CHECK_NDBM(ndbm.h,db,,
564 NMH_CHECK_NDBM(ndbm.h,db1,,
566 NMH_CHECK_NDBM(ndbm.h,ndbm,,
567 dnl glibc2.1 systems put db1 in a subdir:
568 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
569 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
570 dnl and possibly needing gbdm_compat library:
571 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
572 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
573 NMH_CHECK_NDBM(ndbm.h,gdbm,,
574 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
578 dnl We don't really need to check that the user-specified values work,
579 dnl but it is a convenience to the user to bomb out early rather than
580 dnl after configure and half the compile process.
581 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
584 if test "$nmh_ndbm_found" = "no"; then
585 AC_MSG_ERROR([could not find a working ndbm library/header combination])
587 dnl Now export the lib/header to our makefile/config.h:
588 if test x"$nmh_ndbmheader" != x; then
589 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
590 [Define to the header containing the ndbm API prototypes.])
592 if test x"$nmh_ndbm" != x; then
593 NDBM_LIBS="-l$nmh_ndbm"
597 AC_SUBST([NDBM_LIBS])
600 dnl ------------------
601 dnl Set RPM build root
602 dnl ------------------
603 dnl nmhrpm is used in the final summary, see below. The default value is
604 dnl reported there as ./RPM, consistent with the reporting of the default
605 dnl source code location as ., but its absolute path is used in the Makefile.
607 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
608 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
609 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
613 dnl --------------------
614 dnl CHECK FOR CYRUS-SASL
615 dnl --------------------
617 AS_IF([test x"$sasl_support" = x"yes"],[
618 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
619 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
620 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
623 dnl -----------------
624 dnl CHECK FOR OPENSSL
625 dnl -----------------
627 AS_IF([test x"$tls_support" = x"yes"],[
628 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
629 AC_CHECK_LIB([crypto], [BIO_write], ,
630 [AC_MSG_ERROR([OpenSSL crypto library not found])])
631 AC_CHECK_LIB([ssl], [SSL_library_init], ,
632 [AC_MSG_ERROR([OpenSSL library not found])])])
634 dnl ---------------------
635 dnl CHECK TERMCAP LIBRARY
636 dnl ---------------------
638 dnl Add the termcap library, so that the following configure
639 dnl tests will find it when it tries to link test programs.
640 nmh_save_LIBS="$LIBS"
641 LIBS="$TERMLIB $LIBS"
643 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
644 dnl Some termcaps reportedly accept a zero buffer, but then dump core
646 dnl Under Cygwin test program crashes but exit code is still 0. So,
647 dnl we test for a file that porgram should create
648 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
649 [Define to 1 if tgetent() accepts NULL as a buffer.])
650 AC_CACHE_CHECK(if tgetent accepts NULL,
651 nmh_cv_func_tgetent_accepts_null,
656 int r1 = tgetent(buf, "vt100");
657 int r2 = tgetent((char*)0,"vt100");
658 if (r1 >= 0 && r1 == r2) {
662 creat("conftest.tgetent", 0640);
664 exit((r1 != r2) || r2 == -1);
667 if test -f conftest.tgetent; then
668 nmh_cv_func_tgetent_accepts_null=yes
670 nmh_cv_func_tgetent_accepts_null=no
672 nmh_cv_func_tgetent_accepts_null=no,
673 nmh_cv_func_tgetent_accepts_null=no)])
674 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
675 AC_DEFINE(TGETENT_ACCEPTS_NULL)
677 AC_CACHE_CHECK(if tgetent returns 0 on success,
678 nmh_cv_func_tgetent_zero_success,
683 int r1 = tgetent(buf, "!@#$%^&*");
684 int r2 = tgetent(buf, "vt100");
685 if (r1 < 0 && r2 == 0) {
689 creat("conftest.tgetent0", 0640);
694 if test -f conftest.tgetent0; then
695 nmh_cv_func_tgetent_zero_success=yes
697 nmh_cv_func_tgetent_zero_success=no
699 nmh_cv_func_tgetent_zero_success=no,
700 nmh_cv_func_tgetent_zero_success=no)])
701 AH_TEMPLATE([TGETENT_SUCCESS],
702 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
703 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
704 AC_DEFINE(TGETENT_SUCCESS, 0)
706 AC_DEFINE(TGETENT_SUCCESS, 1)
709 dnl Now put the libraries back to what it was before we
710 dnl starting checking the termcap library.
711 LIBS="$nmh_save_LIBS"
726 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
727 dnl (FreeBSD has a timezone() function but not a timezone global
728 dnl variable that is visible).
729 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
731 AC_STRUCT_DIRENT_D_TYPE
733 dnl Where is <signal.h> located? Needed as input for signames.awk
734 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
735 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
736 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
737 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
738 /usr/include/linux/signal.h dnl Linux up to 1.2.11
739 /usr/include/sys/signal.h dnl Almost everybody else
740 /dev/null; dnl Just in case we fall through
742 test -f $SIGNAL_H && \
743 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
746 nmh_cv_path_signal_h=$SIGNAL_H
748 SIGNAL_H=$nmh_cv_path_signal_h
749 AC_SUBST(SIGNAL_H)dnl
751 dnl These odd looking assignments are done to expand out unexpanded
752 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
753 dnl but expanding that gives '${prefix}/share/man', so we need to expand
754 dnl again to get the final answer.
755 dnl We only use the expanded versions to print the install paths in
756 dnl the final summary and should use them nowhere else (see the autoconf
757 dnl docs for the rationale for bindir etc being unexpanded).
758 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
759 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
760 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
761 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
762 eval "nmhrpm=${nmhrpm}";
765 if test x"$enable_pop" = x"yes"; then
766 pop_kinds="yes (POP3)"
770 dnl Sigh, this is required because under the new world order autoconf has
771 dnl nothing to create in a few of the build directories when doing an object
772 dnl tree build. So make sure we created certain directories if they don't
776 AC_CONFIG_COMMANDS([build-directories],
777 [test -d etc || ${MKDIR_P} etc
778 test -d man || ${MKDIR_P} man])
780 AC_CONFIG_COMMANDS_POST([
784 nmh version : AC_PACKAGE_VERSION
787 compiler flags : ${CFLAGS}
788 linker flags : ${LDFLAGS}
789 definitions : ${OURDEFS}
790 source code location : ${srcdir}
791 binary install path : ${nmhbin}
792 library install path : ${nmhlib}
793 config files install path : ${nmhsysconf}
794 man page install path : ${nmhman}
795 RPM build root : ${nmhrpm}
796 backup prefix : ${backup_prefix}
797 transport system : ${MTS}
798 file locking type : ${LOCKTYPE}
799 default smtp servers : ${smtpservers}
800 default editor : ${editorpath}
801 default pager : ${pagerpath}
802 email address masquerading : ${masquerade}
803 pop is enabled : ${pop_kinds}
804 SASL support : ${sasl_support}
805 TLS support : ${tls_support}"
811 AC_CONFIG_FILES([Makefile])