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 AC_MSG_NOTICE([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 AC_MSG_NOTICE([configuring for nmh dated $DATE])
23 dnl --------------------------
24 dnl CHECK COMMAND LINE OPTIONS
25 dnl --------------------------
27 dnl Do you want to debug nmh?
28 AC_ARG_ENABLE([debug],
29 AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
30 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
31 AS_IF([test x"$enable_nmh_debug" = x"yes"], [enable_debug=yes])
33 dnl Allow users to send email from addresses other than their default?
34 AC_ARG_ENABLE(masquerade,
35 AS_HELP_STRING([--enable-masquerade='draft_from mmailid username_extension'],
36 [enable up to 3 types of address masquerading]),
37 [AS_IF([test x"$enable_masquerade" = x"yes"],
38 [masquerade="draft_from mmailid username_extension"],
39 [masquerade="$enable_masquerade"])],
40 [masquerade="draft_from mmailid username_extension"])
41 AC_SUBST(masquerade)dnl
43 dnl Do you want to disable use of locale functions
45 [Undefine if you don't want locale features. By default this is defined.])
46 AC_ARG_ENABLE([locale],
47 [AC_HELP_STRING([--disable-locale], [turn off locale features])],
48 [AS_IF([test x$enableval = xyes], [AC_DEFINE(LOCALE)])],
51 dnl Do you want client-side support for using SASL for authentication?
52 dnl Note that this code will be enabled for both POP and SMTP
53 AC_ARG_WITH([cyrus-sasl], AS_HELP_STRING([--with-cyrus-sasl],
54 [Enable SASL support via the Cyrus SASL library]))
55 AS_IF([test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"],[
56 AC_DEFINE([CYRUS_SASL], [1],
57 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
58 AS_IF([test x"$with_cyrus_sasl" != xyes],[
59 AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
60 AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])])
61 sasl_support=yes], [sasl_support=no])
63 dnl Do you want client-side support for encryption with TLS?
64 AC_ARG_WITH([tls], AS_HELP_STRING([--with-tls], [Enable TLS support]))
65 AS_IF([test x"$with_tls" != x -a x"$with_tls" != x"no"],[
66 AC_DEFINE([TLS_SUPPORT], [1], [Support TLS for session encryption.])dnl
67 tls_support=yes],[tls_support=no])
69 dnl What should be the default editor?
71 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
73 AS_IF([test -n "$with_editor"], [editorpath="$with_editor"])
75 dnl Set the backup prefix
76 AC_ARG_WITH([hash-backup],
77 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
78 AS_IF([test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"],
79 [backup_prefix="#"], [backup_prefix=","])
80 AC_DEFINE_UNQUOTED([BACKUP_PREFIX], "$backup_prefix",
81 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
83 dnl What method of locking to use?
85 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
86 [specify the file locking method]))
88 if test x"$with_locking" = x"dot"; then
90 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
91 elif test x"$with_locking" = x"flock"; then
93 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
94 elif test x"$with_locking" = x"lockf"; then
96 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
97 elif test x"$with_locking" = x"fcntl"; then
99 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
102 AC_DEFINE(DOT_LOCKING)dnl
105 dnl Should we use a locking directory?
106 AC_ARG_ENABLE([lockdir], [
107 AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [
108 AS_IF([test "x$enableval" = xyes],[
109 AC_MSG_ERROR([--enable-lockdir requires an argument])])
110 AS_IF([test "x$LOCKTYPE" != xdot],[
111 AC_MSG_ERROR([Can only use --enable-lockdir with dot locking])])
112 AC_DEFINE_UNQUOTED([LOCKDIR], ["$enableval"],
113 [Directory to store dot-locking lock files])
116 dnl What method of posting should post use?
118 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
119 [specify the default mail transport agent/service]))
121 AS_IF([test x"$with_mts" = x"smtp"], [MTS="smtp"],
122 [test x"$with_mts" = x"sendmail"], [MTS="sendmail"],
126 dnl Both the smtp and sendmail mail transport services use the smtp code
127 AC_DEFINE([SMTPMTS], [1],
128 [Define if you want SMTP (simple mail transport protocol) support.])dnl
130 dnl What should be the default pager?
132 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
134 AS_IF([test -n "$with_pager"], [pagerpath="$with_pager"])
136 dnl What should be the default mail server(s)?
137 AC_ARG_WITH(smtpservers,
138 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
139 [specify the default SMTP server(s) @<:@localhost@:>@]))
140 AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
141 [smtpservers="localhost"])
142 AC_SUBST([smtpservers])dnl
144 dnl ----------------------------------------------------
145 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
146 dnl ----------------------------------------------------
147 AC_PREFIX_DEFAULT([/usr/local/nmh])
149 dnl ------------------
150 dnl CHECK THE COMPILER
151 dnl ------------------
152 dnl We want these before the checks,
153 dnl so the checks can modify their values.
154 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
155 if test x"$enable_debug" = x"yes"; then
156 test -z "$LDFLAGS" && LDFLAGS=-g
162 AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros],
163 [nmh_cv_has_unusedmacros],
164 [nmh_saved_cppflags="$CPPFLAGS"
165 CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros"
166 AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no)
167 CPPFLAGS="$nmh_saved_cppflags"])
169 if test "$nmh_cv_has_unusedmacros" = 'yes'; then
170 test -z "$CPPFLAGS" && CPPFLAGS=-Wunused-macros \
171 || CPPFLAGS="$CPPFLAGS -Wunused-macros"
172 DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros
174 AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl
176 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
177 [nmh_saved_cflags="$CFLAGS"
178 CFLAGS="$CFLAGS -Wextra -Wno-clobbered"
179 AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
180 CFLAGS="$nmh_saved_cflags"])
182 AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
183 [nmh_saved_cflags="$CFLAGS"
184 CFLAGS="$CFLAGS -Wno-pointer-sign"
185 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
186 CFLAGS="$nmh_saved_cflags"])
188 dnl if the user hasn't specified CFLAGS, then
189 dnl if compiler is gcc, then
190 dnl use -O2 and some warning flags
192 dnl We use -Wall and -Wextra if supported. If the compiler supports it we
193 dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
194 dnl warnings which are probably mostly spurious and which in any case we
195 dnl don't want to deal with now.
196 if test "$nmh_cv_has_noptrsign" = "yes"; then
197 if test "$nmh_cv_has_wextra" = "yes"; then
198 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered -Wno-pointer-sign"
200 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
203 if test "$nmh_cv_has_wextra" = "yes"; then
204 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered"
206 nmh_gcc_warnflags="-Wall"
210 if test -n "$auto_cflags"; then
211 if test x"$enable_debug" = x"yes"; then
212 if test -n "$GCC"; then
213 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
215 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
218 if test -z "$LDFLAGS"; then
228 if test -n "$GCC"; then
229 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
231 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
236 AC_C_CONST dnl Does compiler support `const'.
238 dnl ------------------
239 dnl CHECK FOR PROGRAMS
240 dnl ------------------
241 AC_PROG_MAKE_SET dnl Does make define $MAKE
242 AC_PROG_INSTALL dnl Check for BSD compatible `install'
243 AC_PROG_RANLIB dnl Check for `ranlib'
244 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
245 AC_PROG_SED dnl Check for Posix-compliant sed
246 AC_PROG_LEX dnl Check for lex/flex
249 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
250 AC_PATH_PROG([cutpath], [cut], [no], [$pathtmp])
253 dnl Check for MD5 program and formatting command
255 AC_CHECK_PROGS([MD5SUM], [md5sum md5], [missing])
256 AS_CASE(["${MD5SUM}"],
257 [md5sum], [MD5FMT="cat"],
258 [md5], [[MD5FMT="${SED} -e 's/MD5 *(\(.*\)) *= \([0-9a-f]*\)/\2 \1/'"]],
262 dnl ----------------------------------------------
263 dnl check for lclint, and lint if it doesn't exist
264 dnl ----------------------------------------------
265 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
266 if test x$ac_cv_prog_linttmp1 != xno ; then
267 LINT=$ac_cv_prog_linttmp1
268 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
270 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
271 if test x$ac_cv_prog_linttmp2 != xno ; then
272 LINT=$ac_cv_prog_linttmp2
275 LINT="echo 'No lint program found'"
280 AC_SUBST([LINTFLAGS])dnl
283 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
284 AC_PATH_PROG([lspath], [ls], [no], [$pathtmp])
286 dnl See how we get ls to display the owner and the group
287 if test "$lspath" != "no"; then
288 AC_CACHE_CHECK([how to get ls to show us the group ownership of a file],
290 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
291 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
292 dnl ls, it would seem -l gave us both the user and group. On this type of
293 dnl ls, -g makes _only_ the group be displayed (and not the user).
294 nmh_cv_ls_grpopt="-l"
296 dnl Looks like -l only gave us the user, so we need -g to get the group too.
297 nmh_cv_ls_grpopt="-lg"
302 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
303 AC_PATH_PROG([morepath], [more], [no], [$pathtmp])
305 dnl If pager is not specified yet,
306 dnl then use `more' as the default.
307 if test -z "$pagerpath"; then
308 pagerpath="$morepath"
310 AC_SUBST(pagerpath)dnl
312 dnl Look for `sendmail'
313 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
314 AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp])
317 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
318 AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp])
320 dnl If editor is not specified yet,
321 dnl then use `vi' as the default.
322 AS_IF([test -z "$editorpath"], [editorpath="$vipath"])
323 AC_SUBST([editorpath])dnl
325 dnl ----------------------------------------------------------
326 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
327 dnl ----------------------------------------------------------
328 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
329 [for mailspool in /var/mail dnl
332 /dev/null; dnl Just in case we fall through
334 test -d $mailspool && break
336 nmh_cv_mailspool=$mailspool
338 mailspool=$nmh_cv_mailspool
339 AC_SUBST([mailspool])dnl
341 dnl See whether the mail spool directory is world-writable.
342 if test "$lspath" != "no" -a "$cutpath" != "no"; then
343 AC_CACHE_CHECK(whether the mail spool is world-writable,
344 nmh_cv_mailspool_world_writable,
345 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
346 nmh_cv_mailspool_world_writable=no
348 nmh_cv_mailspool_world_writable=yes
352 dnl Also, check for liblockfile (as found on Debian systems)
353 AC_CHECK_HEADER([lockfile.h], [AC_CHECK_LIB(lockfile, lockfile_create)])
355 dnl and whether its companion program dotlockfile is setgid
356 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
357 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
358 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
359 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
360 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
361 nmh_cv_dotlockfile_setgid=yes
363 nmh_cv_dotlockfile_setgid=no
368 dnl If mailspool is not world-writable and dotlockfile is not setgid,
369 dnl we need to #define MAILGROUP to 1 and make inc setgid.
370 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
371 dnl do we really need both of these?
372 AC_DEFINE(MAILGROUP,1,
373 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
376 AC_SUBST(SETGID_MAIL)dnl
378 dnl Use ls to see which group owns the mail spool directory.
379 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
380 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
382 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
383 AC_SUBST(MAIL_SPOOL_GRP)dnl
385 dnl ------------------
386 dnl CHECK HEADER FILES
387 dnl ------------------
389 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
390 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
391 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
392 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
393 dnl declared; if so they should have an entry added to this case statement.
394 dnl NB that we must define this on the compiler command line, not in config.h,
395 dnl because it must be set before any system header is included and there's no
396 dnl portable way to make sure that files generated by lex include config.h
397 dnl before system header files.
399 AS_CASE(["$host_os"],
401 [# Like DEFS, but doesn't get stomped on by configure when using config.h:
402 AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"],
403 [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
407 AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
408 langinfo.h wchar.h wctype.h iconv.h netdb.h \
409 sys/param.h sys/time.h sys/stream.h])
412 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
413 dnl really use a whole set of them, but this check should be
416 AC_CHECK_HEADER(libio.h, [
417 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
418 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
420 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
421 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
422 [[#if HAVE_SYS_STREAM_H
423 # include <sys/stream.h>
430 AC_CHECK_FUNCS([writev lstat nl_langinfo])
432 dnl Check for multibyte character set support
433 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
434 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
435 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
436 [Define to enable support for multibyte character sets.])
439 dnl -------------------
440 dnl CHECK FOR LIBRARIES
441 dnl -------------------
442 dnl Check location of modf
443 AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
445 dnl Checks for network libraries (nsl, socket)
448 termcap_curses_order="termcap curses ncurses"
449 for lib in $termcap_curses_order; do
450 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
452 AC_SUBST([TERMLIB])dnl
453 AS_IF([test "x$TERMLIB" = "x"],
454 [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
455 or ncurses library or package that you can install?])])
462 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
463 if test "x$ac_cv_header_iconv_h" = "xyes"; then
464 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
465 if test "x$ac_found_iconv" = "xno"; then
466 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
467 if test "x$ac_found_iconv" = "xno"; then
468 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
470 if test "x$ac_found_iconv" != "xno"; then
474 dnl Handle case where there is a native iconv but iconv.h is from libiconv
475 AC_CHECK_DECL(_libiconv_version,
476 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
477 [ #include <iconv.h> ])
480 if test "x$ac_found_iconv" = xyes; then
481 AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.])
485 dnl Check if iconv uses const in prototype declaration
486 if test "x$ac_found_iconv" = "xyes"; then
487 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
488 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
489 #include <iconv.h>]],
493 #if defined(__STDC__) || defined(__cplusplus)
494 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
498 [ac_cv_iconv_const=],
499 [ac_cv_iconv_const=const])])
500 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
501 [Define as const if the declaration of iconv() needs const.])
508 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
509 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
510 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
511 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
513 if test "$nmh_ndbm" = "autodetect"; then
514 if test "$nmh_ndbmheader" != "autodetect"; then
515 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
518 dnl There are at least four implementations of ndbm, and
519 dnl several of those can be in different places at the whim
520 dnl of the system integrator. A good summary of this mess
521 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
523 dnl Classic ndbm with no library required (eg NetBSD): try this
524 dnl first so we don't accidentally link in a pointless but harmless
525 dnl library in one of the later ndbm.h+libfoo tests:
526 NMH_CHECK_NDBM(ndbm.h,,,
527 dnl Berkeley DBv2 emulating ndbm: header in db.h:
528 NMH_CHECK_NDBM(db.h,db,,
529 dnl Berkeley DBv1 emulating ndbm:
530 NMH_CHECK_NDBM(ndbm.h,db,,
531 NMH_CHECK_NDBM(ndbm.h,db1,,
533 NMH_CHECK_NDBM(ndbm.h,ndbm,,
534 dnl glibc2.1 systems put db1 in a subdir:
535 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
536 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
537 dnl and possibly needing gbdm_compat library:
538 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
539 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
540 NMH_CHECK_NDBM(ndbm.h,gdbm,,
541 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
545 dnl We don't really need to check that the user-specified values work,
546 dnl but it is a convenience to the user to bomb out early rather than
547 dnl after configure and half the compile process.
548 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
551 if test "$nmh_ndbm_found" = "no"; then
552 AC_MSG_ERROR([could not find a working ndbm library/header combination])
554 dnl Now export the lib/header to our makefile/config.h:
555 if test x"$nmh_ndbmheader" != x; then
556 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
557 [Define to the header containing the ndbm API prototypes.])
559 if test x"$nmh_ndbm" != x; then
560 NDBM_LIBS="-l$nmh_ndbm"
564 AC_SUBST([NDBM_LIBS])
567 dnl ------------------
568 dnl Set RPM build root
569 dnl ------------------
570 dnl nmhrpm is used in the final summary, see below. The default value is
571 dnl reported there as ./RPM, consistent with the reporting of the default
572 dnl source code location as ., but its absolute path is used in the Makefile.
574 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
575 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
576 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
580 dnl --------------------
581 dnl CHECK FOR CYRUS-SASL
582 dnl --------------------
584 AS_IF([test x"$sasl_support" = x"yes"],[
585 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
586 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
587 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
590 dnl -----------------
591 dnl CHECK FOR OPENSSL
592 dnl -----------------
594 AS_IF([test x"$tls_support" = x"yes"],[
595 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
596 AC_CHECK_LIB([crypto], [BIO_write], ,
597 [AC_MSG_ERROR([OpenSSL crypto library not found])])
598 AC_CHECK_LIB([ssl], [SSL_library_init], ,
599 [AC_MSG_ERROR([OpenSSL library not found])])])
601 dnl ---------------------
602 dnl CHECK TERMCAP LIBRARY
603 dnl ---------------------
605 dnl Add the termcap library, so that the following configure
606 dnl tests will find it when it tries to link test programs.
607 nmh_save_LIBS="$LIBS"
608 LIBS="$TERMLIB $LIBS"
610 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
611 dnl Some termcaps reportedly accept a zero buffer, but then dump core
613 dnl Under Cygwin test program crashes but exit code is still 0. So,
614 dnl we test for a file that porgram should create
615 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
616 [Define to 1 if tgetent() accepts NULL as a buffer.])
617 AC_CACHE_CHECK(if tgetent accepts NULL,
618 nmh_cv_func_tgetent_accepts_null,
623 int r1 = tgetent(buf, "vt100");
624 int r2 = tgetent((char*)0,"vt100");
625 if (r1 >= 0 && r1 == r2) {
629 creat("conftest.tgetent", 0640);
631 exit((r1 != r2) || r2 == -1);
634 if test -f conftest.tgetent; then
635 nmh_cv_func_tgetent_accepts_null=yes
637 nmh_cv_func_tgetent_accepts_null=no
639 nmh_cv_func_tgetent_accepts_null=no,
640 nmh_cv_func_tgetent_accepts_null=no)])
641 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
642 AC_DEFINE(TGETENT_ACCEPTS_NULL)
644 AC_CACHE_CHECK(if tgetent returns 0 on success,
645 nmh_cv_func_tgetent_zero_success,
650 int r1 = tgetent(buf, "!@#$%^&*");
651 int r2 = tgetent(buf, "vt100");
652 if (r1 < 0 && r2 == 0) {
656 creat("conftest.tgetent0", 0640);
661 if test -f conftest.tgetent0; then
662 nmh_cv_func_tgetent_zero_success=yes
664 nmh_cv_func_tgetent_zero_success=no
666 nmh_cv_func_tgetent_zero_success=no,
667 nmh_cv_func_tgetent_zero_success=no)])
668 AH_TEMPLATE([TGETENT_SUCCESS],
669 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
670 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
671 AC_DEFINE(TGETENT_SUCCESS, 0)
673 AC_DEFINE(TGETENT_SUCCESS, 1)
676 dnl Now put the libraries back to what it was before we
677 dnl starting checking the termcap library.
678 LIBS="$nmh_save_LIBS"
693 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
694 dnl (FreeBSD has a timezone() function but not a timezone global
695 dnl variable that is visible).
696 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
698 AC_STRUCT_DIRENT_D_TYPE
700 dnl Where is <signal.h> located? Needed as input for signames.awk
701 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
702 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
703 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
704 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
705 /usr/include/linux/signal.h dnl Linux up to 1.2.11
706 /usr/include/sys/signal.h dnl Almost everybody else
707 /dev/null; dnl Just in case we fall through
709 test -f $SIGNAL_H && \
710 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
713 nmh_cv_path_signal_h=$SIGNAL_H
715 SIGNAL_H=$nmh_cv_path_signal_h
716 AC_SUBST(SIGNAL_H)dnl
719 dnl Sigh, this is required because under the new world order autoconf has
720 dnl nothing to create in a few of the build directories when doing an object
721 dnl tree build. So make sure we created certain directories if they don't
725 AC_CONFIG_COMMANDS([build-directories],
726 [test -d etc || ${MKDIR_P} etc
727 test -d man || ${MKDIR_P} man])
729 AC_CONFIG_COMMANDS_POST([
731 dnl These odd looking assignments are done to expand out unexpanded
732 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man'),
733 dnl but expanding that gives '${prefix}/share/man', so we need to expand
734 dnl again to get the final answer.
735 dnl We only use the expanded versions to print the install paths in
736 dnl the final summary and should use them nowhere else (see the autoconf
737 dnl docs for the rationale for bindir etc being unexpanded).
738 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
739 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
740 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
741 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
742 eval "nmhrpm=${nmhrpm}";
747 nmh version : AC_PACKAGE_VERSION
750 compiler flags : ${CFLAGS}
751 linker flags : ${LDFLAGS}
752 preprocessor flags : ${CPPFLAGS}
753 source code location : ${srcdir}
754 binary install path : ${nmhbin}
755 library install path : ${nmhlib}
756 config files install path : ${nmhsysconf}
757 man page install path : ${nmhman}
758 RPM build root : ${nmhrpm}
759 backup prefix : ${backup_prefix}
760 transport system : ${MTS}
761 file locking type : ${LOCKTYPE}
762 default smtp servers : ${smtpservers}
763 default editor : ${editorpath}
764 default pager : ${pagerpath}
765 email address masquerading : ${masquerade}
766 SASL support : ${sasl_support}
767 TLS support : ${tls_support}
773 AC_CONFIG_FILES([Makefile test/common.sh])