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 Do you want to disable use of locale functions
35 [Undefine if you don't want locale features. By default this is defined.])
36 AC_ARG_ENABLE([locale],
37 [AC_HELP_STRING([--disable-locale], [turn off locale features])],
38 [AS_IF([test x$enableval = xyes], [AC_DEFINE(LOCALE)])],
41 dnl Do you want client-side support for using SASL for authentication?
42 dnl Note that this code will be enabled for both POP and SMTP
43 AC_ARG_WITH([cyrus-sasl], AS_HELP_STRING([--with-cyrus-sasl],
44 [Enable SASL support via the Cyrus SASL library]))
45 AS_IF([test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"],[
46 AC_DEFINE([CYRUS_SASL], [1],
47 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
48 AS_IF([test x"$with_cyrus_sasl" != xyes],[
49 AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
50 AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])])
51 sasl_support=yes], [sasl_support=no])
53 dnl Do you want client-side support for encryption with TLS?
54 AC_ARG_WITH([tls], AS_HELP_STRING([--with-tls], [Enable TLS support]))
55 AS_IF([test x"$with_tls" != x -a x"$with_tls" != x"no"],[
56 AC_DEFINE([TLS_SUPPORT], [1], [Support TLS for session encryption.])dnl
57 tls_support=yes],[tls_support=no])
59 dnl What should be the default editor?
61 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
63 AS_IF([test -n "$with_editor"], [editorpath="$with_editor"])
65 dnl Set the backup prefix
66 AC_ARG_WITH([hash-backup],
67 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
68 AS_IF([test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"],
69 [backup_prefix="#"], [backup_prefix=","])
70 AC_DEFINE_UNQUOTED([BACKUP_PREFIX], "$backup_prefix",
71 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
73 dnl What method of locking to use?
75 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
76 [specify the file locking method]))
78 if test x"$with_locking" = x"dot"; then
80 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
81 elif test x"$with_locking" = x"flock"; then
83 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
84 elif test x"$with_locking" = x"lockf"; then
86 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
87 elif test x"$with_locking" = x"fcntl"; then
89 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
92 AC_DEFINE(DOT_LOCKING)dnl
95 dnl Should we use a locking directory?
96 AC_ARG_ENABLE([lockdir], [
97 AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [
98 AS_IF([test "x$enableval" = xyes],[
99 AC_MSG_ERROR([--enable-lockdir requires an argument])])
100 AS_IF([test "x$LOCKTYPE" != xdot],[
101 AC_MSG_ERROR([Can only use --enable-lockdir with dot locking])])
102 AC_DEFINE_UNQUOTED([LOCKDIR], ["$enableval"],
103 [Directory to store dot-locking lock files])
106 dnl What method of posting should post use?
108 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
109 [specify the default mail transport agent/service]))
111 AS_IF([test x"$with_mts" = x"smtp"], [MTS="smtp"],
112 [test x"$with_mts" = x"sendmail"], [MTS="sendmail"],
116 dnl What should be the default pager?
118 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
120 AS_IF([test -n "$with_pager"], [pagerpath="$with_pager"])
122 dnl What should be the default mail server(s)?
123 AC_ARG_WITH(smtpservers,
124 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
125 [specify the default SMTP server(s) @<:@localhost@:>@]))
126 AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
127 [smtpservers="localhost"])
128 AC_SUBST([smtpservers])dnl
130 dnl ----------------------------------------------------
131 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
132 dnl ----------------------------------------------------
133 AC_PREFIX_DEFAULT([/usr/local/nmh])
135 dnl ------------------
136 dnl CHECK THE COMPILER
137 dnl ------------------
138 dnl We want these before the checks,
139 dnl so the checks can modify their values.
140 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
141 if test x"$enable_debug" = x"yes"; then
142 test -z "$LDFLAGS" && LDFLAGS=-g
148 AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros],
149 [nmh_cv_has_unusedmacros],
150 [nmh_saved_cppflags="$CPPFLAGS"
151 CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros"
152 AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no)
153 CPPFLAGS="$nmh_saved_cppflags"])
155 if test "$nmh_cv_has_unusedmacros" = 'yes'; then
156 test -z "$CPPFLAGS" && CPPFLAGS=-Wunused-macros \
157 || CPPFLAGS="$CPPFLAGS -Wunused-macros"
158 DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros
160 AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl
162 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
163 [nmh_saved_cflags="$CFLAGS"
164 CFLAGS="$CFLAGS -Wextra -Wno-clobbered"
165 AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
166 CFLAGS="$nmh_saved_cflags"])
168 AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
169 [nmh_saved_cflags="$CFLAGS"
170 CFLAGS="$CFLAGS -Wno-pointer-sign"
171 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
172 CFLAGS="$nmh_saved_cflags"])
174 dnl if the user hasn't specified CFLAGS, then
175 dnl if compiler is gcc, then
176 dnl use -O2 and some warning flags
178 dnl We use -Wall and -Wextra if supported. If the compiler supports it we
179 dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
180 dnl warnings which are probably mostly spurious and which in any case we
181 dnl don't want to deal with now.
182 if test "$nmh_cv_has_noptrsign" = "yes"; then
183 if test "$nmh_cv_has_wextra" = "yes"; then
184 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered -Wno-pointer-sign"
186 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
189 if test "$nmh_cv_has_wextra" = "yes"; then
190 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered"
192 nmh_gcc_warnflags="-Wall"
196 if test -n "$auto_cflags"; then
197 if test x"$enable_debug" = x"yes"; then
198 if test -n "$GCC"; then
199 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
201 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
204 if test -z "$LDFLAGS"; then
214 if test -n "$GCC"; then
215 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
217 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
222 AC_C_CONST dnl Does compiler support `const'.
224 dnl ------------------
225 dnl CHECK FOR PROGRAMS
226 dnl ------------------
227 AC_PROG_MAKE_SET dnl Does make define $MAKE
228 AC_PROG_INSTALL dnl Check for BSD compatible `install'
229 AC_PROG_RANLIB dnl Check for `ranlib'
230 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
231 AC_PROG_SED dnl Check for Posix-compliant sed
232 AC_PROG_LEX dnl Check for lex/flex
235 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
236 AC_PATH_PROG([cutpath], [cut], [no], [$pathtmp])
239 dnl Check for MD5 program and formatting command
241 AC_CHECK_PROGS([MD5SUM], [md5sum md5], [missing])
242 AS_CASE(["${MD5SUM}"],
243 [md5sum], [MD5FMT="cat"],
244 [md5], [[MD5FMT="${SED} -e 's/MD5 *(\(.*\)) *= \([0-9a-f]*\)/\2 \1/'"]],
248 dnl ----------------------------------------------
249 dnl check for lclint, and lint if it doesn't exist
250 dnl ----------------------------------------------
251 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
252 if test x$ac_cv_prog_linttmp1 != xno ; then
253 LINT=$ac_cv_prog_linttmp1
254 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
256 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
257 if test x$ac_cv_prog_linttmp2 != xno ; then
258 LINT=$ac_cv_prog_linttmp2
261 LINT="echo 'No lint program found'"
266 AC_SUBST([LINTFLAGS])dnl
269 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
270 AC_PATH_PROG([lspath], [ls], [no], [$pathtmp])
272 dnl See how we get ls to display the owner and the group
273 if test "$lspath" != "no"; then
274 AC_CACHE_CHECK([how to get ls to show us the group ownership of a file],
276 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
277 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
278 dnl ls, it would seem -l gave us both the user and group. On this type of
279 dnl ls, -g makes _only_ the group be displayed (and not the user).
280 nmh_cv_ls_grpopt="-l"
282 dnl Looks like -l only gave us the user, so we need -g to get the group too.
283 nmh_cv_ls_grpopt="-lg"
288 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
289 AC_PATH_PROG([morepath], [more], [no], [$pathtmp])
291 dnl If pager is not specified yet,
292 dnl then use `more' as the default.
293 if test -z "$pagerpath"; then
294 pagerpath="$morepath"
296 AC_SUBST(pagerpath)dnl
298 dnl Look for `sendmail'
299 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
300 AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp])
303 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
304 AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp])
306 dnl If editor is not specified yet,
307 dnl then use `vi' as the default.
308 AS_IF([test -z "$editorpath"], [editorpath="$vipath"])
309 AC_SUBST([editorpath])dnl
311 dnl ----------------------------------------------------------
312 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
313 dnl ----------------------------------------------------------
314 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
315 [for mailspool in /var/mail dnl
318 /dev/null; dnl Just in case we fall through
320 test -d $mailspool && break
322 nmh_cv_mailspool=$mailspool
324 mailspool=$nmh_cv_mailspool
325 AC_SUBST([mailspool])dnl
327 dnl See whether the mail spool directory is world-writable.
328 if test "$lspath" != "no" -a "$cutpath" != "no"; then
329 AC_CACHE_CHECK(whether the mail spool is world-writable,
330 nmh_cv_mailspool_world_writable,
331 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
332 nmh_cv_mailspool_world_writable=no
334 nmh_cv_mailspool_world_writable=yes
338 dnl Also, check for liblockfile (as found on Debian systems)
339 AC_CHECK_HEADER([lockfile.h], [AC_CHECK_LIB(lockfile, lockfile_create)])
341 dnl and whether its companion program dotlockfile is setgid
342 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
343 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
344 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
345 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
346 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
347 nmh_cv_dotlockfile_setgid=yes
349 nmh_cv_dotlockfile_setgid=no
354 dnl If mailspool is not world-writable and dotlockfile is not setgid,
355 dnl we need to #define MAILGROUP to 1 and make inc setgid.
356 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
357 dnl do we really need both of these?
358 AC_DEFINE(MAILGROUP,1,
359 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
362 AC_SUBST(SETGID_MAIL)dnl
364 dnl Use ls to see which group owns the mail spool directory.
365 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
366 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
368 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
369 AC_SUBST(MAIL_SPOOL_GRP)dnl
371 dnl ------------------
372 dnl CHECK HEADER FILES
373 dnl ------------------
375 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
376 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
377 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
378 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
379 dnl declared; if so they should have an entry added to this case statement.
380 dnl NB that we must define this on the compiler command line, not in config.h,
381 dnl because it must be set before any system header is included and there's no
382 dnl portable way to make sure that files generated by lex include config.h
383 dnl before system header files.
385 AS_CASE(["$host_os"],
387 [# Like DEFS, but doesn't get stomped on by configure when using config.h:
388 AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"],
389 [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
393 AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
394 langinfo.h wchar.h wctype.h iconv.h netdb.h \
395 sys/param.h sys/time.h sys/stream.h])
398 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
399 dnl really use a whole set of them, but this check should be
402 AC_CHECK_HEADER(libio.h, [
403 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
404 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
406 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
407 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
408 [[#if HAVE_SYS_STREAM_H
409 # include <sys/stream.h>
416 AC_CHECK_FUNCS([writev lstat nl_langinfo])
418 dnl -------------------
419 dnl CHECK FOR LIBRARIES
420 dnl -------------------
421 dnl Check location of modf
422 AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
424 dnl Checks for network libraries (nsl, socket)
427 termcap_curses_order="termcap curses ncurses"
428 for lib in $termcap_curses_order; do
429 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
431 AC_SUBST([TERMLIB])dnl
432 AS_IF([test "x$TERMLIB" = "x"],
433 [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
434 or ncurses library or package that you can install?])])
441 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
442 if test "x$ac_cv_header_iconv_h" = "xyes"; then
443 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
444 if test "x$ac_found_iconv" = "xno"; then
445 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
446 if test "x$ac_found_iconv" = "xno"; then
447 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
449 if test "x$ac_found_iconv" != "xno"; then
453 dnl Handle case where there is a native iconv but iconv.h is from libiconv
454 AC_CHECK_DECL(_libiconv_version,
455 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
456 [ #include <iconv.h> ])
459 if test "x$ac_found_iconv" = xyes; then
460 AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.])
464 dnl Check if iconv uses const in prototype declaration
465 if test "x$ac_found_iconv" = "xyes"; then
466 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
467 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
468 #include <iconv.h>]],
472 #if defined(__STDC__) || defined(__cplusplus)
473 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
477 [ac_cv_iconv_const=],
478 [ac_cv_iconv_const=const])])
479 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
480 [Define as const if the declaration of iconv() needs const.])
487 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
488 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
489 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
490 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
492 if test "$nmh_ndbm" = "autodetect"; then
493 if test "$nmh_ndbmheader" != "autodetect"; then
494 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
497 dnl There are at least four implementations of ndbm, and
498 dnl several of those can be in different places at the whim
499 dnl of the system integrator. A good summary of this mess
500 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
502 dnl Classic ndbm with no library required (eg NetBSD): try this
503 dnl first so we don't accidentally link in a pointless but harmless
504 dnl library in one of the later ndbm.h+libfoo tests:
505 NMH_CHECK_NDBM(ndbm.h,,,
506 dnl Berkeley DBv2 emulating ndbm: header in db.h:
507 NMH_CHECK_NDBM(db.h,db,,
508 dnl Berkeley DBv1 emulating ndbm:
509 NMH_CHECK_NDBM(ndbm.h,db,,
510 NMH_CHECK_NDBM(ndbm.h,db1,,
512 NMH_CHECK_NDBM(ndbm.h,ndbm,,
513 dnl glibc2.1 systems put db1 in a subdir:
514 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
515 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
516 dnl and possibly needing gbdm_compat library:
517 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
518 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
519 NMH_CHECK_NDBM(ndbm.h,gdbm,,
520 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
524 dnl We don't really need to check that the user-specified values work,
525 dnl but it is a convenience to the user to bomb out early rather than
526 dnl after configure and half the compile process.
527 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
530 if test "$nmh_ndbm_found" = "no"; then
531 AC_MSG_ERROR([could not find a working ndbm library/header combination])
533 dnl Now export the lib/header to our makefile/config.h:
534 if test x"$nmh_ndbmheader" != x; then
535 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
536 [Define to the header containing the ndbm API prototypes.])
538 if test x"$nmh_ndbm" != x; then
539 NDBM_LIBS="-l$nmh_ndbm"
543 AC_SUBST([NDBM_LIBS])
546 dnl ------------------
547 dnl Set RPM build root
548 dnl ------------------
549 dnl nmhrpm is used in the final summary, see below. The default value is
550 dnl reported there as ./RPM, consistent with the reporting of the default
551 dnl source code location as ., but its absolute path is used in the Makefile.
553 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
554 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
555 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
559 dnl --------------------
560 dnl CHECK FOR CYRUS-SASL
561 dnl --------------------
563 AS_IF([test x"$sasl_support" = x"yes"],[
564 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
565 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
566 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
569 dnl -----------------
570 dnl CHECK FOR OPENSSL
571 dnl -----------------
573 AS_IF([test x"$tls_support" = x"yes"],[
574 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
575 AC_CHECK_LIB([crypto], [BIO_write], ,
576 [AC_MSG_ERROR([OpenSSL crypto library not found])])
577 AC_CHECK_LIB([ssl], [SSL_library_init], ,
578 [AC_MSG_ERROR([OpenSSL library not found])])])
580 dnl ---------------------
581 dnl CHECK TERMCAP LIBRARY
582 dnl ---------------------
584 dnl Add the termcap library, so that the following configure
585 dnl tests will find it when it tries to link test programs.
586 nmh_save_LIBS="$LIBS"
587 LIBS="$TERMLIB $LIBS"
589 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
590 dnl Some termcaps reportedly accept a zero buffer, but then dump core
592 dnl Under Cygwin test program crashes but exit code is still 0. So,
593 dnl we test for a file that porgram should create
594 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
595 [Define to 1 if tgetent() accepts NULL as a buffer.])
596 AC_CACHE_CHECK(if tgetent accepts NULL,
597 nmh_cv_func_tgetent_accepts_null,
602 int r1 = tgetent(buf, "vt100");
603 int r2 = tgetent((char*)0,"vt100");
604 if (r1 >= 0 && r1 == r2) {
608 creat("conftest.tgetent", 0640);
610 exit((r1 != r2) || r2 == -1);
613 if test -f conftest.tgetent; then
614 nmh_cv_func_tgetent_accepts_null=yes
616 nmh_cv_func_tgetent_accepts_null=no
618 nmh_cv_func_tgetent_accepts_null=no,
619 nmh_cv_func_tgetent_accepts_null=no)])
620 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
621 AC_DEFINE(TGETENT_ACCEPTS_NULL)
623 AC_CACHE_CHECK(if tgetent returns 0 on success,
624 nmh_cv_func_tgetent_zero_success,
629 int r1 = tgetent(buf, "!@#$%^&*");
630 int r2 = tgetent(buf, "vt100");
631 if (r1 < 0 && r2 == 0) {
635 creat("conftest.tgetent0", 0640);
640 if test -f conftest.tgetent0; then
641 nmh_cv_func_tgetent_zero_success=yes
643 nmh_cv_func_tgetent_zero_success=no
645 nmh_cv_func_tgetent_zero_success=no,
646 nmh_cv_func_tgetent_zero_success=no)])
647 AH_TEMPLATE([TGETENT_SUCCESS],
648 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
649 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
650 AC_DEFINE(TGETENT_SUCCESS, 0)
652 AC_DEFINE(TGETENT_SUCCESS, 1)
655 dnl Now put the libraries back to what it was before we
656 dnl starting checking the termcap library.
657 LIBS="$nmh_save_LIBS"
672 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
673 dnl (FreeBSD has a timezone() function but not a timezone global
674 dnl variable that is visible).
675 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
677 AC_STRUCT_DIRENT_D_TYPE
679 dnl Where is <signal.h> located? Needed as input for signames.awk
680 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
681 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
682 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
683 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
684 /usr/include/linux/signal.h dnl Linux up to 1.2.11
685 /usr/include/sys/signal.h dnl Almost everybody else
686 /dev/null; dnl Just in case we fall through
688 test -f $SIGNAL_H && \
689 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
692 nmh_cv_path_signal_h=$SIGNAL_H
694 SIGNAL_H=$nmh_cv_path_signal_h
695 AC_SUBST(SIGNAL_H)dnl
698 dnl Sigh, this is required because under the new world order autoconf has
699 dnl nothing to create in a few of the build directories when doing an object
700 dnl tree build. So make sure we created certain directories if they don't
704 AC_CONFIG_COMMANDS([build-directories],
705 [test -d etc || ${MKDIR_P} etc
706 test -d man || ${MKDIR_P} man])
708 AC_CONFIG_COMMANDS_POST([
710 dnl These odd looking assignments are done to expand out unexpanded
711 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man'),
712 dnl but expanding that gives '${prefix}/share/man', so we need to expand
713 dnl again to get the final answer.
714 dnl We only use the expanded versions to print the install paths in
715 dnl the final summary and should use them nowhere else (see the autoconf
716 dnl docs for the rationale for bindir etc being unexpanded).
717 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
718 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
719 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
720 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
721 eval "nmhrpm=${nmhrpm}";
726 nmh version : AC_PACKAGE_VERSION
729 compiler flags : ${CFLAGS}
730 linker flags : ${LDFLAGS}
731 preprocessor flags : ${CPPFLAGS}
732 source code location : ${srcdir}
733 binary install path : ${nmhbin}
734 library install path : ${nmhlib}
735 config files install path : ${nmhsysconf}
736 man page install path : ${nmhman}
737 RPM build root : ${nmhrpm}
738 backup prefix : ${backup_prefix}
739 transport system : ${MTS}
740 file locking type : ${LOCKTYPE}
741 default smtp servers : ${smtpservers}
742 default editor : ${editorpath}
743 default pager : ${pagerpath}
744 SASL support : ${sasl_support}
745 TLS support : ${tls_support}
751 AC_CONFIG_FILES([Makefile test/common.sh])