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 What should be the default pager?
128 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
130 AS_IF([test -n "$with_pager"], [pagerpath="$with_pager"])
132 dnl What should be the default mail server(s)?
133 AC_ARG_WITH(smtpservers,
134 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
135 [specify the default SMTP server(s) @<:@localhost@:>@]))
136 AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
137 [smtpservers="localhost"])
138 AC_SUBST([smtpservers])dnl
140 dnl ----------------------------------------------------
141 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
142 dnl ----------------------------------------------------
143 AC_PREFIX_DEFAULT([/usr/local/nmh])
145 dnl ------------------
146 dnl CHECK THE COMPILER
147 dnl ------------------
148 dnl We want these before the checks,
149 dnl so the checks can modify their values.
150 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
151 if test x"$enable_debug" = x"yes"; then
152 test -z "$LDFLAGS" && LDFLAGS=-g
158 AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros],
159 [nmh_cv_has_unusedmacros],
160 [nmh_saved_cppflags="$CPPFLAGS"
161 CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros"
162 AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no)
163 CPPFLAGS="$nmh_saved_cppflags"])
165 if test "$nmh_cv_has_unusedmacros" = 'yes'; then
166 test -z "$CPPFLAGS" && CPPFLAGS=-Wunused-macros \
167 || CPPFLAGS="$CPPFLAGS -Wunused-macros"
168 DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros
170 AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl
172 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
173 [nmh_saved_cflags="$CFLAGS"
174 CFLAGS="$CFLAGS -Wextra -Wno-clobbered"
175 AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
176 CFLAGS="$nmh_saved_cflags"])
178 AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
179 [nmh_saved_cflags="$CFLAGS"
180 CFLAGS="$CFLAGS -Wno-pointer-sign"
181 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
182 CFLAGS="$nmh_saved_cflags"])
184 dnl if the user hasn't specified CFLAGS, then
185 dnl if compiler is gcc, then
186 dnl use -O2 and some warning flags
188 dnl We use -Wall and -Wextra if supported. If the compiler supports it we
189 dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
190 dnl warnings which are probably mostly spurious and which in any case we
191 dnl don't want to deal with now.
192 if test "$nmh_cv_has_noptrsign" = "yes"; then
193 if test "$nmh_cv_has_wextra" = "yes"; then
194 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered -Wno-pointer-sign"
196 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
199 if test "$nmh_cv_has_wextra" = "yes"; then
200 nmh_gcc_warnflags="-Wall -Wextra -Wno-clobbered"
202 nmh_gcc_warnflags="-Wall"
206 if test -n "$auto_cflags"; then
207 if test x"$enable_debug" = x"yes"; then
208 if test -n "$GCC"; then
209 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
211 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
214 if test -z "$LDFLAGS"; then
224 if test -n "$GCC"; then
225 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
227 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
232 AC_C_CONST dnl Does compiler support `const'.
234 dnl ------------------
235 dnl CHECK FOR PROGRAMS
236 dnl ------------------
237 AC_PROG_MAKE_SET dnl Does make define $MAKE
238 AC_PROG_INSTALL dnl Check for BSD compatible `install'
239 AC_PROG_RANLIB dnl Check for `ranlib'
240 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
241 AC_PROG_SED dnl Check for Posix-compliant sed
242 AC_PROG_LEX dnl Check for lex/flex
245 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
246 AC_PATH_PROG([cutpath], [cut], [no], [$pathtmp])
249 dnl Check for MD5 program and formatting command
251 AC_CHECK_PROGS([MD5SUM], [md5sum md5], [missing])
252 AS_CASE(["${MD5SUM}"],
253 [md5sum], [MD5FMT="cat"],
254 [md5], [[MD5FMT="${SED} -e 's/MD5 *(\(.*\)) *= \([0-9a-f]*\)/\2 \1/'"]],
258 dnl ----------------------------------------------
259 dnl check for lclint, and lint if it doesn't exist
260 dnl ----------------------------------------------
261 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
262 if test x$ac_cv_prog_linttmp1 != xno ; then
263 LINT=$ac_cv_prog_linttmp1
264 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
266 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
267 if test x$ac_cv_prog_linttmp2 != xno ; then
268 LINT=$ac_cv_prog_linttmp2
271 LINT="echo 'No lint program found'"
276 AC_SUBST([LINTFLAGS])dnl
279 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
280 AC_PATH_PROG([lspath], [ls], [no], [$pathtmp])
282 dnl See how we get ls to display the owner and the group
283 if test "$lspath" != "no"; then
284 AC_CACHE_CHECK([how to get ls to show us the group ownership of a file],
286 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
287 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
288 dnl ls, it would seem -l gave us both the user and group. On this type of
289 dnl ls, -g makes _only_ the group be displayed (and not the user).
290 nmh_cv_ls_grpopt="-l"
292 dnl Looks like -l only gave us the user, so we need -g to get the group too.
293 nmh_cv_ls_grpopt="-lg"
298 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
299 AC_PATH_PROG([morepath], [more], [no], [$pathtmp])
301 dnl If pager is not specified yet,
302 dnl then use `more' as the default.
303 if test -z "$pagerpath"; then
304 pagerpath="$morepath"
306 AC_SUBST(pagerpath)dnl
308 dnl Look for `sendmail'
309 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
310 AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp])
313 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
314 AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp])
316 dnl If editor is not specified yet,
317 dnl then use `vi' as the default.
318 AS_IF([test -z "$editorpath"], [editorpath="$vipath"])
319 AC_SUBST([editorpath])dnl
321 dnl ----------------------------------------------------------
322 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
323 dnl ----------------------------------------------------------
324 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
325 [for mailspool in /var/mail dnl
328 /dev/null; dnl Just in case we fall through
330 test -d $mailspool && break
332 nmh_cv_mailspool=$mailspool
334 mailspool=$nmh_cv_mailspool
335 AC_SUBST([mailspool])dnl
337 dnl See whether the mail spool directory is world-writable.
338 if test "$lspath" != "no" -a "$cutpath" != "no"; then
339 AC_CACHE_CHECK(whether the mail spool is world-writable,
340 nmh_cv_mailspool_world_writable,
341 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
342 nmh_cv_mailspool_world_writable=no
344 nmh_cv_mailspool_world_writable=yes
348 dnl Also, check for liblockfile (as found on Debian systems)
349 AC_CHECK_HEADER([lockfile.h], [AC_CHECK_LIB(lockfile, lockfile_create)])
351 dnl and whether its companion program dotlockfile is setgid
352 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
353 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
354 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
355 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
356 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
357 nmh_cv_dotlockfile_setgid=yes
359 nmh_cv_dotlockfile_setgid=no
364 dnl If mailspool is not world-writable and dotlockfile is not setgid,
365 dnl we need to #define MAILGROUP to 1 and make inc setgid.
366 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
367 dnl do we really need both of these?
368 AC_DEFINE(MAILGROUP,1,
369 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
372 AC_SUBST(SETGID_MAIL)dnl
374 dnl Use ls to see which group owns the mail spool directory.
375 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
376 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
378 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
379 AC_SUBST(MAIL_SPOOL_GRP)dnl
381 dnl ------------------
382 dnl CHECK HEADER FILES
383 dnl ------------------
385 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
386 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
387 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
388 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
389 dnl declared; if so they should have an entry added to this case statement.
390 dnl NB that we must define this on the compiler command line, not in config.h,
391 dnl because it must be set before any system header is included and there's no
392 dnl portable way to make sure that files generated by lex include config.h
393 dnl before system header files.
395 AS_CASE(["$host_os"],
397 [# Like DEFS, but doesn't get stomped on by configure when using config.h:
398 AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"],
399 [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
403 AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
404 langinfo.h wchar.h wctype.h iconv.h netdb.h \
405 sys/param.h sys/time.h sys/stream.h])
408 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
409 dnl really use a whole set of them, but this check should be
412 AC_CHECK_HEADER(libio.h, [
413 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
414 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
416 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
417 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
418 [[#if HAVE_SYS_STREAM_H
419 # include <sys/stream.h>
426 AC_CHECK_FUNCS([writev lstat nl_langinfo])
428 dnl Check for multibyte character set support
429 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
430 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
431 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
432 [Define to enable support for multibyte character sets.])
435 dnl -------------------
436 dnl CHECK FOR LIBRARIES
437 dnl -------------------
438 dnl Check location of modf
439 AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
441 dnl Checks for network libraries (nsl, socket)
444 termcap_curses_order="termcap curses ncurses"
445 for lib in $termcap_curses_order; do
446 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
448 AC_SUBST([TERMLIB])dnl
449 AS_IF([test "x$TERMLIB" = "x"],
450 [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
451 or ncurses library or package that you can install?])])
458 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
459 if test "x$ac_cv_header_iconv_h" = "xyes"; then
460 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
461 if test "x$ac_found_iconv" = "xno"; then
462 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
463 if test "x$ac_found_iconv" = "xno"; then
464 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
466 if test "x$ac_found_iconv" != "xno"; then
470 dnl Handle case where there is a native iconv but iconv.h is from libiconv
471 AC_CHECK_DECL(_libiconv_version,
472 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
473 [ #include <iconv.h> ])
476 if test "x$ac_found_iconv" = xyes; then
477 AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.])
481 dnl Check if iconv uses const in prototype declaration
482 if test "x$ac_found_iconv" = "xyes"; then
483 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
484 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
485 #include <iconv.h>]],
489 #if defined(__STDC__) || defined(__cplusplus)
490 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
494 [ac_cv_iconv_const=],
495 [ac_cv_iconv_const=const])])
496 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
497 [Define as const if the declaration of iconv() needs const.])
504 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
505 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
506 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
507 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
509 if test "$nmh_ndbm" = "autodetect"; then
510 if test "$nmh_ndbmheader" != "autodetect"; then
511 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
514 dnl There are at least four implementations of ndbm, and
515 dnl several of those can be in different places at the whim
516 dnl of the system integrator. A good summary of this mess
517 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
519 dnl Classic ndbm with no library required (eg NetBSD): try this
520 dnl first so we don't accidentally link in a pointless but harmless
521 dnl library in one of the later ndbm.h+libfoo tests:
522 NMH_CHECK_NDBM(ndbm.h,,,
523 dnl Berkeley DBv2 emulating ndbm: header in db.h:
524 NMH_CHECK_NDBM(db.h,db,,
525 dnl Berkeley DBv1 emulating ndbm:
526 NMH_CHECK_NDBM(ndbm.h,db,,
527 NMH_CHECK_NDBM(ndbm.h,db1,,
529 NMH_CHECK_NDBM(ndbm.h,ndbm,,
530 dnl glibc2.1 systems put db1 in a subdir:
531 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
532 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
533 dnl and possibly needing gbdm_compat library:
534 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
535 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
536 NMH_CHECK_NDBM(ndbm.h,gdbm,,
537 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
541 dnl We don't really need to check that the user-specified values work,
542 dnl but it is a convenience to the user to bomb out early rather than
543 dnl after configure and half the compile process.
544 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
547 if test "$nmh_ndbm_found" = "no"; then
548 AC_MSG_ERROR([could not find a working ndbm library/header combination])
550 dnl Now export the lib/header to our makefile/config.h:
551 if test x"$nmh_ndbmheader" != x; then
552 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
553 [Define to the header containing the ndbm API prototypes.])
555 if test x"$nmh_ndbm" != x; then
556 NDBM_LIBS="-l$nmh_ndbm"
560 AC_SUBST([NDBM_LIBS])
563 dnl ------------------
564 dnl Set RPM build root
565 dnl ------------------
566 dnl nmhrpm is used in the final summary, see below. The default value is
567 dnl reported there as ./RPM, consistent with the reporting of the default
568 dnl source code location as ., but its absolute path is used in the Makefile.
570 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
571 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
572 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
576 dnl --------------------
577 dnl CHECK FOR CYRUS-SASL
578 dnl --------------------
580 AS_IF([test x"$sasl_support" = x"yes"],[
581 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
582 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
583 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
586 dnl -----------------
587 dnl CHECK FOR OPENSSL
588 dnl -----------------
590 AS_IF([test x"$tls_support" = x"yes"],[
591 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
592 AC_CHECK_LIB([crypto], [BIO_write], ,
593 [AC_MSG_ERROR([OpenSSL crypto library not found])])
594 AC_CHECK_LIB([ssl], [SSL_library_init], ,
595 [AC_MSG_ERROR([OpenSSL library not found])])])
597 dnl ---------------------
598 dnl CHECK TERMCAP LIBRARY
599 dnl ---------------------
601 dnl Add the termcap library, so that the following configure
602 dnl tests will find it when it tries to link test programs.
603 nmh_save_LIBS="$LIBS"
604 LIBS="$TERMLIB $LIBS"
606 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
607 dnl Some termcaps reportedly accept a zero buffer, but then dump core
609 dnl Under Cygwin test program crashes but exit code is still 0. So,
610 dnl we test for a file that porgram should create
611 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
612 [Define to 1 if tgetent() accepts NULL as a buffer.])
613 AC_CACHE_CHECK(if tgetent accepts NULL,
614 nmh_cv_func_tgetent_accepts_null,
619 int r1 = tgetent(buf, "vt100");
620 int r2 = tgetent((char*)0,"vt100");
621 if (r1 >= 0 && r1 == r2) {
625 creat("conftest.tgetent", 0640);
627 exit((r1 != r2) || r2 == -1);
630 if test -f conftest.tgetent; then
631 nmh_cv_func_tgetent_accepts_null=yes
633 nmh_cv_func_tgetent_accepts_null=no
635 nmh_cv_func_tgetent_accepts_null=no,
636 nmh_cv_func_tgetent_accepts_null=no)])
637 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
638 AC_DEFINE(TGETENT_ACCEPTS_NULL)
640 AC_CACHE_CHECK(if tgetent returns 0 on success,
641 nmh_cv_func_tgetent_zero_success,
646 int r1 = tgetent(buf, "!@#$%^&*");
647 int r2 = tgetent(buf, "vt100");
648 if (r1 < 0 && r2 == 0) {
652 creat("conftest.tgetent0", 0640);
657 if test -f conftest.tgetent0; then
658 nmh_cv_func_tgetent_zero_success=yes
660 nmh_cv_func_tgetent_zero_success=no
662 nmh_cv_func_tgetent_zero_success=no,
663 nmh_cv_func_tgetent_zero_success=no)])
664 AH_TEMPLATE([TGETENT_SUCCESS],
665 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
666 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
667 AC_DEFINE(TGETENT_SUCCESS, 0)
669 AC_DEFINE(TGETENT_SUCCESS, 1)
672 dnl Now put the libraries back to what it was before we
673 dnl starting checking the termcap library.
674 LIBS="$nmh_save_LIBS"
689 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
690 dnl (FreeBSD has a timezone() function but not a timezone global
691 dnl variable that is visible).
692 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
694 AC_STRUCT_DIRENT_D_TYPE
696 dnl Where is <signal.h> located? Needed as input for signames.awk
697 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
698 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
699 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
700 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
701 /usr/include/linux/signal.h dnl Linux up to 1.2.11
702 /usr/include/sys/signal.h dnl Almost everybody else
703 /dev/null; dnl Just in case we fall through
705 test -f $SIGNAL_H && \
706 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
709 nmh_cv_path_signal_h=$SIGNAL_H
711 SIGNAL_H=$nmh_cv_path_signal_h
712 AC_SUBST(SIGNAL_H)dnl
715 dnl Sigh, this is required because under the new world order autoconf has
716 dnl nothing to create in a few of the build directories when doing an object
717 dnl tree build. So make sure we created certain directories if they don't
721 AC_CONFIG_COMMANDS([build-directories],
722 [test -d etc || ${MKDIR_P} etc
723 test -d man || ${MKDIR_P} man])
725 AC_CONFIG_COMMANDS_POST([
727 dnl These odd looking assignments are done to expand out unexpanded
728 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man'),
729 dnl but expanding that gives '${prefix}/share/man', so we need to expand
730 dnl again to get the final answer.
731 dnl We only use the expanded versions to print the install paths in
732 dnl the final summary and should use them nowhere else (see the autoconf
733 dnl docs for the rationale for bindir etc being unexpanded).
734 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
735 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
736 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
737 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
738 eval "nmhrpm=${nmhrpm}";
743 nmh version : AC_PACKAGE_VERSION
746 compiler flags : ${CFLAGS}
747 linker flags : ${LDFLAGS}
748 preprocessor flags : ${CPPFLAGS}
749 source code location : ${srcdir}
750 binary install path : ${nmhbin}
751 library install path : ${nmhlib}
752 config files install path : ${nmhsysconf}
753 man page install path : ${nmhman}
754 RPM build root : ${nmhrpm}
755 backup prefix : ${backup_prefix}
756 transport system : ${MTS}
757 file locking type : ${LOCKTYPE}
758 default smtp servers : ${smtpservers}
759 default editor : ${editorpath}
760 default pager : ${pagerpath}
761 email address masquerading : ${masquerade}
762 SASL support : ${sasl_support}
763 TLS support : ${tls_support}
769 AC_CONFIG_FILES([Makefile test/common.sh])