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 [AS_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 If a pager is not explicitly specified, then look for one.
123 dnl Fall back to `cat', to avoid catastrophic failure of
124 dnl `mhshow', et al., if pagerpath is set to `no'.
125 if test -z "$pagerpath"; then
126 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
127 AC_PATH_PROGS([pagerpath], [more less most cat], [no], [$pathtmp])
129 AC_SUBST(pagerpath)dnl
131 dnl What should be the default mail server(s)?
132 AC_ARG_WITH(smtpservers,
133 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
134 [specify the default SMTP server(s) @<:@localhost@:>@]))
135 AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
136 [smtpservers="localhost"])
137 AC_SUBST([smtpservers])dnl
139 dnl ----------------------------------------------------
140 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
141 dnl ----------------------------------------------------
142 AC_PREFIX_DEFAULT([/usr/local/nmh])
144 dnl ------------------
145 dnl CHECK THE COMPILER
146 dnl ------------------
147 dnl We want these before the checks,
148 dnl so the checks can modify their values.
149 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
150 if test x"$enable_debug" = x"yes"; then
151 test -z "$LDFLAGS" && LDFLAGS=-g
157 AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros],
158 [nmh_cv_has_unusedmacros],
159 [nmh_saved_cppflags="$CPPFLAGS"
160 CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros"
161 AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no)
162 CPPFLAGS="$nmh_saved_cppflags"])
164 if test "$nmh_cv_has_unusedmacros" = 'yes'; then
165 test -z "$CPPFLAGS" && CPPFLAGS=-Wunused-macros \
166 || CPPFLAGS="$CPPFLAGS -Wunused-macros"
167 DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros
169 AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl
171 AC_CACHE_CHECK([whether compiler supports -Wno-sign-compare],
172 [nmh_cv_has_nosigncompare],
173 [nmh_saved_cppflags="$CPPFLAGS"
174 CPPFLAGS="$CPPFLAGS -Wno-sign-compare"
175 AC_TRY_COMPILE([],[],nmh_cv_has_nosigncompare=yes,
176 nmh_cv_has_nosigncompare=no)
177 CPPFLAGS="$nmh_saved_cppflags"])
179 if test "$nmh_cv_has_nosigncompare" = 'yes'; then
180 DISABLE_SIGN_COMPARE_WARNING=-Wno-sign-compare
182 AC_SUBST(DISABLE_SIGN_COMPARE_WARNING)dnl
184 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
185 [nmh_saved_cflags="$CFLAGS"
186 CFLAGS="$CFLAGS -Wextra -Wno-clobbered"
187 AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
188 CFLAGS="$nmh_saved_cflags"])
190 AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
191 [nmh_saved_cflags="$CFLAGS"
192 CFLAGS="$CFLAGS -Wno-pointer-sign"
193 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
194 CFLAGS="$nmh_saved_cflags"])
196 dnl if the user hasn't specified CFLAGS, then
197 dnl if compiler is gcc, then
198 dnl use -O2 and some warning flags
200 dnl We use -Wall and -Wextra if supported. If the compiler supports it we
201 dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
202 dnl warnings which are probably mostly spurious and which in any case we
203 dnl don't want to deal with now.
204 if test "$nmh_cv_has_noptrsign" = "yes"; then
205 if test "$nmh_cv_has_wextra" = "yes"; then
206 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered -Wno-pointer-sign"
208 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
211 if test "$nmh_cv_has_wextra" = "yes"; then
212 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered"
214 nmh_gcc_warnflags="-Wall"
218 if test -n "$auto_cflags"; then
219 if test x"$enable_debug" = x"yes"; then
220 if test -n "$GCC"; then
221 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
223 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
226 if test -z "$LDFLAGS"; then
236 if test -n "$GCC"; then
237 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
239 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
244 AC_C_CONST dnl Does compiler support `const'.
246 dnl ------------------
247 dnl CHECK FOR PROGRAMS
248 dnl ------------------
249 AC_PROG_MAKE_SET dnl Does make define $MAKE
250 AC_PROG_INSTALL dnl Check for BSD compatible `install'
251 AC_PROG_RANLIB dnl Check for `ranlib'
252 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
253 AC_PROG_SED dnl Check for Posix-compliant sed
254 AC_PROG_LEX dnl Check for lex/flex
257 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
258 AC_PATH_PROG([cutpath], [cut], [no], [$pathtmp])
261 dnl Check for MD5 program and formatting command
263 AC_CHECK_PROGS([MD5SUM], [md5sum md5], [missing])
264 AS_CASE(["${MD5SUM}"],
265 [md5sum], [MD5FMT="cat"],
266 [md5], [[MD5FMT="${SED} -e 's/MD5 *(\(.*\)) *= \([0-9a-f]*\)/\2 \1/'"]],
270 dnl ----------------------------------------------
271 dnl check for lclint, and lint if it doesn't exist
272 dnl ----------------------------------------------
273 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
274 if test x$ac_cv_prog_linttmp1 != xno ; then
275 LINT=$ac_cv_prog_linttmp1
276 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
278 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
279 if test x$ac_cv_prog_linttmp2 != xno ; then
280 LINT=$ac_cv_prog_linttmp2
283 LINT="echo 'No lint program found'"
288 AC_SUBST([LINTFLAGS])dnl
291 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
292 AC_PATH_PROG([lspath], [ls], [no], [$pathtmp])
294 dnl See how we get ls to display the owner and the group
295 if test "$lspath" != "no"; then
296 AC_CACHE_CHECK([how to get ls to show us the group ownership of a file],
298 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
299 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
300 dnl ls, it would seem -l gave us both the user and group. On this type of
301 dnl ls, -g makes _only_ the group be displayed (and not the user).
302 nmh_cv_ls_grpopt="-l"
304 dnl Looks like -l only gave us the user, so we need -g to get the group too.
305 nmh_cv_ls_grpopt="-lg"
309 dnl Look for `sendmail'
310 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
311 AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp])
314 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
315 AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp])
317 dnl If editor is not specified yet,
318 dnl then use `vi' as the default.
319 AS_IF([test -z "$editorpath"], [editorpath="$vipath"])
320 AC_SUBST([editorpath])dnl
322 dnl ----------------------------------------------------------
323 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
324 dnl ----------------------------------------------------------
325 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
326 [for mailspool in /var/mail dnl
329 /dev/null; dnl Just in case we fall through
331 test -d $mailspool && break
333 nmh_cv_mailspool=$mailspool
335 mailspool=$nmh_cv_mailspool
336 AC_SUBST([mailspool])dnl
338 dnl See whether the mail spool directory is world-writable.
339 if test "$lspath" != "no" -a "$cutpath" != "no"; then
340 AC_CACHE_CHECK(whether the mail spool is world-writable,
341 nmh_cv_mailspool_world_writable,
342 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
343 nmh_cv_mailspool_world_writable=no
345 nmh_cv_mailspool_world_writable=yes
349 dnl Also, check for liblockfile (as found on Debian systems)
350 AC_CHECK_HEADER([lockfile.h], [AC_CHECK_LIB(lockfile, lockfile_create)])
352 dnl and whether its companion program dotlockfile is setgid
353 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
354 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
355 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
356 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
357 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
358 nmh_cv_dotlockfile_setgid=yes
360 nmh_cv_dotlockfile_setgid=no
365 dnl If mailspool is not world-writable and dotlockfile is not setgid,
366 dnl we need to #define MAILGROUP to 1 and make inc setgid.
367 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
368 dnl do we really need both of these?
369 AC_DEFINE(MAILGROUP,1,
370 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
373 AC_SUBST(SETGID_MAIL)dnl
375 dnl Use ls to see which group owns the mail spool directory.
376 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
377 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
379 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
380 AC_SUBST(MAIL_SPOOL_GRP)dnl
382 dnl ------------------
383 dnl CHECK HEADER FILES
384 dnl ------------------
386 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
387 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
388 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
389 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
390 dnl declared; if so they should have an entry added to this case statement.
391 dnl NB that we must define this on the compiler command line, not in config.h,
392 dnl because it must be set before any system header is included and there's no
393 dnl portable way to make sure that files generated by lex include config.h
394 dnl before system header files.
396 AS_CASE(["$host_os"],
398 [# Like DEFS, but doesn't get stomped on by configure when using config.h:
399 AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"],
400 [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
404 AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
405 langinfo.h wchar.h wctype.h iconv.h netdb.h \
406 sys/param.h sys/time.h sys/stream.h])
409 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
410 dnl really use a whole set of them, but this check should be
413 AC_CHECK_HEADER(libio.h, [
414 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
415 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
417 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
418 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
419 [[#if HAVE_SYS_STREAM_H
420 # include <sys/stream.h>
427 AC_CHECK_FUNCS([wcwidth mbtowc writev lstat nl_langinfo])
429 dnl Check for multibyte character set support
430 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
431 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
432 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
433 [Define to enable support for multibyte character sets.])
436 dnl -------------------
437 dnl CHECK FOR LIBRARIES
438 dnl -------------------
439 dnl Check location of modf
440 AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
442 dnl Checks for network libraries (nsl, socket)
447 termcap_curses_order="termcap curses ncurses"
448 for lib in $termcap_curses_order; do
449 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
451 AC_SUBST([TERMLIB])dnl
452 AS_IF([test "x$TERMLIB" = "x"],
453 [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
454 or ncurses library or package that you can install?])])
461 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
462 if test "x$ac_cv_header_iconv_h" = "xyes"; then
463 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
464 if test "x$ac_found_iconv" = "xno"; then
465 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
466 if test "x$ac_found_iconv" = "xno"; then
467 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
469 if test "x$ac_found_iconv" != "xno"; then
473 dnl Handle case where there is a native iconv but iconv.h is from libiconv
474 AC_CHECK_DECL(_libiconv_version,
475 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
476 [ #include <iconv.h> ])
479 if test "x$ac_found_iconv" = xyes; then
480 AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.])
484 dnl Check if iconv uses const in prototype declaration
485 if test "x$ac_found_iconv" = "xyes"; then
486 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
487 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
488 #include <iconv.h>]],
492 #if defined(__STDC__) || defined(__cplusplus)
493 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
497 [ac_cv_iconv_const=],
498 [ac_cv_iconv_const=const])])
499 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
500 [Define as const if the declaration of iconv() needs const.])
507 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
508 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
509 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
510 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
512 if test "$nmh_ndbm" = "autodetect"; then
513 if test "$nmh_ndbmheader" != "autodetect"; then
514 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
517 dnl There are at least four implementations of ndbm, and
518 dnl several of those can be in different places at the whim
519 dnl of the system integrator. A good summary of this mess
520 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
522 dnl Classic ndbm with no library required (eg NetBSD): try this
523 dnl first so we don't accidentally link in a pointless but harmless
524 dnl library in one of the later ndbm.h+libfoo tests:
525 NMH_CHECK_NDBM(ndbm.h,,,
526 dnl Berkeley DBv2 emulating ndbm: header in db.h:
527 NMH_CHECK_NDBM(db.h,db,,
528 dnl Berkeley DBv1 emulating ndbm:
529 NMH_CHECK_NDBM(ndbm.h,db,,
530 NMH_CHECK_NDBM(ndbm.h,db1,,
532 NMH_CHECK_NDBM(ndbm.h,ndbm,,
533 dnl glibc2.1 systems put db1 in a subdir:
534 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
535 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
536 dnl and possibly needing gbdm_compat library:
537 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
538 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
539 NMH_CHECK_NDBM(ndbm.h,gdbm,,
540 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
544 dnl We don't really need to check that the user-specified values work,
545 dnl but it is a convenience to the user to bomb out early rather than
546 dnl after configure and half the compile process.
547 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
550 if test "$nmh_ndbm_found" = "no"; then
551 AC_MSG_ERROR([could not find a working ndbm library/header combination])
553 dnl Now export the lib/header to our makefile/config.h:
554 if test x"$nmh_ndbmheader" != x; then
555 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
556 [Define to the header containing the ndbm API prototypes.])
558 if test x"$nmh_ndbm" != x; then
559 NDBM_LIBS="-l$nmh_ndbm"
563 AC_SUBST([NDBM_LIBS])
566 dnl ------------------
567 dnl Set RPM build root
568 dnl ------------------
569 dnl nmhrpm is used in the final summary, see below. The default value is
570 dnl reported there as ./RPM, consistent with the reporting of the default
571 dnl source code location as ., but its absolute path is used in the Makefile.
573 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
574 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
575 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
579 dnl --------------------
580 dnl CHECK FOR CYRUS-SASL
581 dnl --------------------
583 AS_IF([test x"$sasl_support" = x"yes"],[
584 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
585 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
586 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
589 dnl -----------------
590 dnl CHECK FOR OPENSSL
591 dnl -----------------
593 AS_IF([test x"$tls_support" = x"yes"],[
594 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
595 AC_CHECK_LIB([crypto], [BIO_write], ,
596 [AC_MSG_ERROR([OpenSSL crypto library not found])])
597 AC_CHECK_LIB([ssl], [SSL_library_init], ,
598 [AC_MSG_ERROR([OpenSSL library not found])])])
600 dnl ---------------------
601 dnl CHECK TERMCAP LIBRARY
602 dnl ---------------------
604 dnl Add the termcap library, so that the following configure
605 dnl tests will find it when it tries to link test programs.
606 nmh_save_LIBS="$LIBS"
607 LIBS="$TERMLIB $LIBS"
609 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
610 dnl Some termcaps reportedly accept a zero buffer, but then dump core
612 dnl Under Cygwin test program crashes but exit code is still 0. So,
613 dnl we test for a file that porgram should create
614 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
615 [Define to 1 if tgetent() accepts NULL as a buffer.])
616 AC_CACHE_CHECK(if tgetent accepts NULL,
617 nmh_cv_func_tgetent_accepts_null,
622 int r1 = tgetent(buf, "vt100");
623 int r2 = tgetent((char*)0,"vt100");
624 if (r1 >= 0 && r1 == r2) {
628 creat("conftest.tgetent", 0640);
630 exit((r1 != r2) || r2 == -1);
633 if test -f conftest.tgetent; then
634 nmh_cv_func_tgetent_accepts_null=yes
636 nmh_cv_func_tgetent_accepts_null=no
638 nmh_cv_func_tgetent_accepts_null=no,
639 nmh_cv_func_tgetent_accepts_null=no)])
640 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
641 AC_DEFINE(TGETENT_ACCEPTS_NULL)
643 AC_CACHE_CHECK(if tgetent returns 0 on success,
644 nmh_cv_func_tgetent_zero_success,
649 int r1 = tgetent(buf, "!@#$%^&*");
650 int r2 = tgetent(buf, "vt100");
651 if (r1 < 0 && r2 == 0) {
655 creat("conftest.tgetent0", 0640);
660 if test -f conftest.tgetent0; then
661 nmh_cv_func_tgetent_zero_success=yes
663 nmh_cv_func_tgetent_zero_success=no
665 nmh_cv_func_tgetent_zero_success=no,
666 nmh_cv_func_tgetent_zero_success=no)])
667 AH_TEMPLATE([TGETENT_SUCCESS],
668 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
669 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
670 AC_DEFINE(TGETENT_SUCCESS, 0)
672 AC_DEFINE(TGETENT_SUCCESS, 1)
675 dnl Now put the libraries back to what it was before we
676 dnl starting checking the termcap library.
677 LIBS="$nmh_save_LIBS"
692 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
693 dnl (FreeBSD has a timezone() function but not a timezone global
694 dnl variable that is visible).
695 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
697 AC_STRUCT_DIRENT_D_TYPE
699 dnl Where is <signal.h> located? Needed as input for signames.awk
700 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
701 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
702 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
703 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
704 /usr/include/linux/signal.h dnl Linux up to 1.2.11
705 /usr/include/sys/signal.h dnl Almost everybody else
706 /dev/null; dnl Just in case we fall through
708 test -f $SIGNAL_H && \
709 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
712 nmh_cv_path_signal_h=$SIGNAL_H
714 SIGNAL_H=$nmh_cv_path_signal_h
715 AC_SUBST(SIGNAL_H)dnl
718 dnl Sigh, this is required because under the new world order autoconf has
719 dnl nothing to create in a few of the build directories when doing an object
720 dnl tree build. So make sure we created certain directories if they don't
724 AC_CONFIG_COMMANDS([build-directories],
725 [test -d etc || ${MKDIR_P} etc
726 test -d man || ${MKDIR_P} man])
728 AC_CONFIG_COMMANDS_POST([
730 dnl These odd looking assignments are done to expand out unexpanded
731 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man'),
732 dnl but expanding that gives '${prefix}/share/man', so we need to expand
733 dnl again to get the final answer.
734 dnl We only use the expanded versions to print the install paths in
735 dnl the final summary and should use them nowhere else (see the autoconf
736 dnl docs for the rationale for bindir etc being unexpanded).
737 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
738 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
739 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
740 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
741 eval "nmhrpm=${nmhrpm}";
746 nmh version : AC_PACKAGE_VERSION
749 compiler flags : ${CFLAGS}
750 linker flags : ${LDFLAGS}
751 preprocessor flags : ${CPPFLAGS}
752 source code location : ${srcdir}
753 binary install path : ${nmhbin}
754 library install path : ${nmhlib}
755 config files install path : ${nmhsysconf}
756 man page install path : ${nmhman}
757 RPM build root : ${nmhrpm}
758 backup prefix : ${backup_prefix}
759 transport system : ${MTS}
760 file locking type : ${LOCKTYPE}
761 default smtp servers : ${smtpservers}
762 default editor : ${editorpath}
763 default pager : ${pagerpath}
764 SASL support : ${sasl_support}
765 TLS support : ${tls_support}
771 AC_CONFIG_FILES([Makefile test/common.sh])