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], "$backup_prefix",
71 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
73 dnl What method of locking to use?
75 [aix*|cygwin*|linux*],
76 [default_locktype="fcntl"; default_locking=FCNTL_LOCKING],
77 [freebsd*], [default_locktype="flock"; default_locking=FLOCK_LOCKING],
78 [default_locktype="dot"; default_locking=DOT_LOCKING])
81 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
82 [specify the file locking method]))
84 if test x"$with_locking" = x"dot"; then
86 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
87 elif test x"$with_locking" = x"flock"; then
89 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
90 elif test x"$with_locking" = x"lockf"; then
92 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
93 elif test x"$with_locking" = x"fcntl"; then
95 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
97 LOCKTYPE="$default_locktype"
98 AC_DEFINE_UNQUOTED($default_locking, 1)dnl
101 dnl Should we use a locking directory?
102 AC_ARG_ENABLE([lockdir],
103 [AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [
104 AS_IF([test "x$enableval" = xyes],[
105 AC_MSG_ERROR([--enable-lockdir requires an argument])])
106 AS_IF([test "x$LOCKTYPE" != xdot],[
107 AC_MSG_ERROR([Can only use --enable-lockdir with dot locking])])
108 AC_DEFINE_UNQUOTED([LOCKDIR], ["$enableval"],
109 [Directory to store dot-locking lock files])
112 dnl What method of posting should post use?
114 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
115 [specify the default mail transport agent/service]))
117 AS_IF([test x"$with_mts" = x"smtp"], [MTS="smtp"],
118 [test x"$with_mts" = x"sendmail"], [MTS="sendmail"],
122 dnl What should be the default pager?
124 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
126 AS_IF([test -n "$with_pager"], [pagerpath="$with_pager"])
128 dnl If a pager is not explicitly specified, then look for one.
129 dnl Fall back to `cat', to avoid catastrophic failure of
130 dnl `mhshow', et al., if pagerpath is set to `no'.
131 if test -z "$pagerpath"; then
132 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
133 AC_PATH_PROGS([pagerpath], [more less most cat], [no], [$pathtmp])
135 AC_SUBST(pagerpath)dnl
137 dnl What should be the default mail server(s)?
138 AC_ARG_WITH(smtpservers,
139 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
140 [specify the default SMTP server(s) @<:@localhost@:>@]))
141 AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
142 [smtpservers="localhost"])
143 AC_SUBST([smtpservers])dnl
145 dnl ----------------------------------------------------
146 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
147 dnl ----------------------------------------------------
148 AC_PREFIX_DEFAULT([/usr/local/nmh])
150 dnl ------------------
151 dnl CHECK THE COMPILER
152 dnl ------------------
153 dnl We want these before the checks,
154 dnl so the checks can modify their values.
155 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
156 if test x"$enable_debug" = x"yes"; then
157 test -z "$LDFLAGS" && LDFLAGS=-g
163 AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros],
164 [nmh_cv_has_unusedmacros],
165 [nmh_saved_cppflags="$CPPFLAGS"
166 CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros"
167 AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no)
168 CPPFLAGS="$nmh_saved_cppflags"])
170 if test "$nmh_cv_has_unusedmacros" = 'yes'; then
171 test -z "$CPPFLAGS" && CPPFLAGS=-Wunused-macros \
172 || CPPFLAGS="$CPPFLAGS -Wunused-macros"
173 DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros
175 AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl
177 AC_CACHE_CHECK([whether compiler supports -Wno-sign-compare],
178 [nmh_cv_has_nosigncompare],
179 [nmh_saved_cppflags="$CPPFLAGS"
180 CPPFLAGS="$CPPFLAGS -Wno-sign-compare"
181 AC_TRY_COMPILE([],[],nmh_cv_has_nosigncompare=yes,
182 nmh_cv_has_nosigncompare=no)
183 CPPFLAGS="$nmh_saved_cppflags"])
185 if test "$nmh_cv_has_nosigncompare" = 'yes'; then
186 DISABLE_SIGN_COMPARE_WARNING=-Wno-sign-compare
188 AC_SUBST(DISABLE_SIGN_COMPARE_WARNING)dnl
190 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
191 [nmh_saved_cflags="$CFLAGS"
192 CFLAGS="$CFLAGS -Wextra -Wno-clobbered"
193 AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
194 CFLAGS="$nmh_saved_cflags"])
196 AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
197 [nmh_saved_cflags="$CFLAGS"
198 CFLAGS="$CFLAGS -Wno-pointer-sign"
199 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
200 CFLAGS="$nmh_saved_cflags"])
202 dnl if the user hasn't specified CFLAGS, then
203 dnl if compiler is gcc, then
204 dnl use -O2 and some warning flags
206 dnl We use -Wall and -Wextra if supported. If the compiler supports it we
207 dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
208 dnl warnings which are probably mostly spurious and which in any case we
209 dnl don't want to deal with now.
210 if test "$nmh_cv_has_noptrsign" = "yes"; then
211 nmh_gcc_common_flags="-ansi -pedantic -Wall"
212 if test "$nmh_cv_has_wextra" = "yes"; then
213 nmh_gcc_warnflags="${nmh_gcc_common_flags} -Wextra -Wno-clobbered "\
216 nmh_gcc_warnflags="${nmh_gcc_common_flags} -Wno-pointer-sign"
219 if test "$nmh_cv_has_wextra" = "yes"; then
220 nmh_gcc_warnflags="${nmh_gcc_common_flags} -Wextra -Wno-clobbered"
222 nmh_gcc_warnflags="${nmh_gcc_common_flags}"
226 if test -n "$auto_cflags"; then
227 if test x"$enable_debug" = x"yes"; then
228 if test -n "$GCC"; then
229 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
231 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
234 if test -z "$LDFLAGS"; then
244 if test -n "$GCC"; then
245 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
247 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
252 AC_C_CONST dnl Does compiler support `const'.
254 dnl ------------------
255 dnl CHECK FOR PROGRAMS
256 dnl ------------------
257 AC_PROG_MAKE_SET dnl Does make define $MAKE
258 AC_PROG_INSTALL dnl Check for BSD compatible `install'
259 AC_PROG_RANLIB dnl Check for `ranlib'
260 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
261 AC_PROG_SED dnl Check for Posix-compliant sed
262 AC_PROG_LEX dnl Check for lex/flex
265 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
266 AC_PATH_PROG([cutpath], [cut], [no], [$pathtmp])
269 dnl Check for MD5 program and formatting command
271 AC_CHECK_PROGS([MD5SUM], [md5sum md5], [missing])
272 AS_CASE(["${MD5SUM}"],
273 [md5sum], [MD5FMT="cat"],
274 [md5], [[MD5FMT="${SED} -e 's/MD5 *(\(.*\)) *= \([0-9a-f]*\)/\2 \1/'"]],
278 dnl ----------------------------------------------
279 dnl check for lclint, and lint if it doesn't exist
280 dnl ----------------------------------------------
281 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
282 if test x$ac_cv_prog_linttmp1 != xno ; then
283 LINT=$ac_cv_prog_linttmp1
284 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
286 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
287 if test x$ac_cv_prog_linttmp2 != xno ; then
288 LINT=$ac_cv_prog_linttmp2
291 LINT="echo 'No lint program found'"
296 AC_SUBST([LINTFLAGS])dnl
299 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
300 AC_PATH_PROG([lspath], [ls], [no], [$pathtmp])
302 dnl See how we get ls to display the owner and the group
303 if test "$lspath" != "no"; then
304 AC_CACHE_CHECK([how to get ls to show us the group ownership of a file],
306 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
307 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
308 dnl ls, it would seem -l gave us both the user and group. On this type of
309 dnl ls, -g makes _only_ the group be displayed (and not the user).
310 nmh_cv_ls_grpopt="-l"
312 dnl Looks like -l only gave us the user, so we need -g to get the group too.
313 nmh_cv_ls_grpopt="-lg"
317 dnl Look for `sendmail'
318 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
319 AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp])
322 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
323 AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp])
325 dnl If editor is not specified yet,
326 dnl then use `vi' as the default.
327 AS_IF([test -z "$editorpath"], [editorpath="$vipath"])
328 AC_SUBST([editorpath])dnl
330 dnl ----------------------------------------------------------
331 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
332 dnl ----------------------------------------------------------
333 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
334 [for mailspool in /var/mail dnl
337 /dev/null; dnl Just in case we fall through
339 test -d $mailspool && break
341 nmh_cv_mailspool=$mailspool
343 mailspool=$nmh_cv_mailspool
344 AC_SUBST([mailspool])dnl
346 dnl See whether the mail spool directory is world-writable.
347 if test "$lspath" != "no" -a "$cutpath" != "no"; then
348 AC_CACHE_CHECK(whether the mail spool is world-writable,
349 nmh_cv_mailspool_world_writable,
350 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
351 nmh_cv_mailspool_world_writable=no
353 nmh_cv_mailspool_world_writable=yes
357 dnl Also, check for liblockfile (as found on Debian systems)
358 AC_CHECK_HEADER([lockfile.h], [AC_CHECK_LIB(lockfile, lockfile_create)])
360 dnl and whether its companion program dotlockfile is setgid
361 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
362 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
363 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
364 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
365 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
366 nmh_cv_dotlockfile_setgid=yes
368 nmh_cv_dotlockfile_setgid=no
373 dnl Provide a way for distcheck to disable setgid_mail via
374 dnl DISTCHECK_CONFIGURE_FLAGS.
375 if test x"$DISABLE_SETGID_MAIL" != x -a x"$DISABLE_SETGID_MAIL" != x0; then
376 nmh_cv_dotlockfile_setgid=yes
379 dnl If mailspool is not world-writable and dotlockfile is not setgid,
380 dnl we need to #define MAILGROUP to 1 and make inc setgid.
381 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
382 dnl do we really need both of these?
383 AC_DEFINE(MAILGROUP,1,
384 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
387 AC_SUBST(SETGID_MAIL)dnl
389 dnl Use ls to see which group owns the mail spool directory.
390 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
391 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
393 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
394 AC_SUBST(MAIL_SPOOL_GRP)dnl
396 dnl ------------------
397 dnl CHECK HEADER FILES
398 dnl ------------------
400 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
401 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
402 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
403 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
404 dnl declared; if so they should have an entry added to this case statement.
405 dnl NB that we must define this on the compiler command line, not in config.h,
406 dnl because it must be set before any system header is included and there's no
407 dnl portable way to make sure that files generated by lex include config.h
408 dnl before system header files.
410 AS_CASE(["$host_os"],
412 [# Like DEFS, but doesn't get stomped on by configure when using config.h:
413 AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"],
414 [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
418 AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
419 langinfo.h wchar.h wctype.h iconv.h netdb.h \
420 sys/param.h sys/time.h sys/stream.h])
423 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
424 dnl really use a whole set of them, but this check should be
427 AC_CHECK_HEADER(libio.h, [
428 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
429 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
431 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
432 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
433 [[#if HAVE_SYS_STREAM_H
434 # include <sys/stream.h>
441 AC_CHECK_FUNCS([wcwidth mbtowc writev lstat nl_langinfo getutxent])
443 dnl Check for multibyte character set support
444 AS_IF([test "x$ac_cv_header_wchar_h" = "xyes" -a \
445 "x$ac_cv_header_wctype_h" = "xyes" -a \
446 "x$ac_cv_func_wcwidth" = "xyes" -a \
447 "x$ac_cv_func_mbtowc" = "xyes"],
448 [AC_DEFINE([MULTIBYTE_SUPPORT], [1],
449 [Define to enable support for multibyte character sets.])
450 MULTIBYTE_ENABLED=1],
451 [MULTIBYTE_ENABLED=0])
452 AC_SUBST([MULTIBYTE_ENABLED])
454 dnl -------------------
455 dnl CHECK FOR LIBRARIES
456 dnl -------------------
457 dnl Check location of modf
458 AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
460 dnl Checks for network libraries (nsl, socket)
465 termcap_curses_order="termcap curses ncurses"
466 for lib in $termcap_curses_order; do
467 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
469 AC_SUBST([TERMLIB])dnl
470 AS_IF([test "x$TERMLIB" = "x"],
471 [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
472 or ncurses library or package that you can install?])])
479 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
480 if test "x$ac_cv_header_iconv_h" = "xyes"; then
481 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
482 if test "x$ac_found_iconv" = "xno"; then
483 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
484 if test "x$ac_found_iconv" = "xno"; then
485 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
487 if test "x$ac_found_iconv" != "xno"; then
491 dnl Handle case where there is a native iconv but iconv.h is from libiconv
492 AC_CHECK_DECL(_libiconv_version,
493 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
494 [ #include <iconv.h> ])
497 if test "x$ac_found_iconv" = xyes; then
498 AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.])
502 dnl Check if iconv uses const in prototype declaration
503 if test "x$ac_found_iconv" = "xyes"; then
504 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
505 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
506 #include <iconv.h>]],
510 #if defined(__STDC__) || defined(__cplusplus)
511 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
515 [ac_cv_iconv_const=],
516 [ac_cv_iconv_const=const])])
517 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
518 [Define as const if the declaration of iconv() needs const.])
525 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
526 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
527 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
528 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
530 if test "$nmh_ndbm" = "autodetect"; then
531 if test "$nmh_ndbmheader" != "autodetect"; then
532 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
535 dnl There are at least four implementations of ndbm, and
536 dnl several of those can be in different places at the whim
537 dnl of the system integrator. A good summary of this mess
538 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
540 dnl Classic ndbm with no library required (eg NetBSD): try this
541 dnl first so we don't accidentally link in a pointless but harmless
542 dnl library in one of the later ndbm.h+libfoo tests:
543 NMH_CHECK_NDBM(ndbm.h,,,
544 dnl Berkeley DBv2 emulating ndbm: header in db.h:
545 NMH_CHECK_NDBM(db.h,db,,
546 dnl Berkeley DBv1 emulating ndbm:
547 NMH_CHECK_NDBM(ndbm.h,db,,
548 NMH_CHECK_NDBM(ndbm.h,db1,,
550 NMH_CHECK_NDBM(ndbm.h,ndbm,,
551 dnl glibc2.1 systems put db1 in a subdir:
552 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
553 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
554 dnl and possibly needing gbdm_compat library:
555 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
556 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
557 NMH_CHECK_NDBM(ndbm.h,gdbm,,
558 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
562 dnl We don't really need to check that the user-specified values work,
563 dnl but it is a convenience to the user to bomb out early rather than
564 dnl after configure and half the compile process.
565 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
568 if test "$nmh_ndbm_found" = "no"; then
569 AC_MSG_ERROR([could not find a working ndbm library/header combination])
571 dnl Now export the lib/header to our makefile/config.h:
572 if test x"$nmh_ndbmheader" != x; then
573 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
574 [Define to the header containing the ndbm API prototypes.])
576 if test x"$nmh_ndbm" != x; then
577 NDBM_LIBS="-l$nmh_ndbm"
581 AC_SUBST([NDBM_LIBS])
584 dnl ------------------
585 dnl Set RPM build root
586 dnl ------------------
587 dnl nmhrpm is used in the final summary, see below. The default value is
588 dnl reported there as ./RPM, consistent with the reporting of the default
589 dnl source code location as ., but its absolute path is used in the Makefile.
591 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
592 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
593 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
597 dnl --------------------
598 dnl CHECK FOR CYRUS-SASL
599 dnl --------------------
601 AS_IF([test x"$sasl_support" = x"yes"],[
602 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
603 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
604 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
607 dnl -----------------
608 dnl CHECK FOR OPENSSL
609 dnl -----------------
611 AS_IF([test x"$tls_support" = x"yes"],[
612 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
613 AC_CHECK_LIB([crypto], [BIO_write], ,
614 [AC_MSG_ERROR([OpenSSL crypto library not found])])
615 AC_CHECK_LIB([ssl], [SSL_library_init], ,
616 [AC_MSG_ERROR([OpenSSL library not found])])])
618 dnl ---------------------
619 dnl CHECK TERMCAP LIBRARY
620 dnl ---------------------
622 dnl Add the termcap library, so that the following configure
623 dnl tests will find it when it tries to link test programs.
624 nmh_save_LIBS="$LIBS"
625 LIBS="$TERMLIB $LIBS"
627 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
628 dnl Some termcaps reportedly accept a zero buffer, but then dump core
630 dnl Under Cygwin test program crashes but exit code is still 0. So,
631 dnl we test for a file that porgram should create
632 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
633 [Define to 1 if tgetent() accepts NULL as a buffer.])
634 AC_CACHE_CHECK(if tgetent accepts NULL,
635 nmh_cv_func_tgetent_accepts_null,
640 int r1 = tgetent(buf, "vt100");
641 int r2 = tgetent((char*)0,"vt100");
642 if (r1 >= 0 && r1 == r2) {
646 creat("conftest.tgetent", 0640);
648 exit((r1 != r2) || r2 == -1);
651 if test -f conftest.tgetent; then
652 nmh_cv_func_tgetent_accepts_null=yes
654 nmh_cv_func_tgetent_accepts_null=no
656 nmh_cv_func_tgetent_accepts_null=no,
657 nmh_cv_func_tgetent_accepts_null=no)])
658 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
659 AC_DEFINE(TGETENT_ACCEPTS_NULL)
661 AC_CACHE_CHECK(if tgetent returns 0 on success,
662 nmh_cv_func_tgetent_zero_success,
667 int r1 = tgetent(buf, "!@#$%^&*");
668 int r2 = tgetent(buf, "vt100");
669 if (r1 < 0 && r2 == 0) {
673 creat("conftest.tgetent0", 0640);
678 if test -f conftest.tgetent0; then
679 nmh_cv_func_tgetent_zero_success=yes
681 nmh_cv_func_tgetent_zero_success=no
683 nmh_cv_func_tgetent_zero_success=no,
684 nmh_cv_func_tgetent_zero_success=no)])
685 AH_TEMPLATE([TGETENT_SUCCESS],
686 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
687 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
688 AC_DEFINE(TGETENT_SUCCESS, 0)
690 AC_DEFINE(TGETENT_SUCCESS, 1)
693 dnl Now put the libraries back to what it was before we
694 dnl starting checking the termcap library.
695 LIBS="$nmh_save_LIBS"
710 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
711 dnl (FreeBSD has a timezone() function but not a timezone global
712 dnl variable that is visible).
713 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
715 AC_STRUCT_DIRENT_D_TYPE
717 dnl Where is <signal.h> located? Needed as input for signames.awk
718 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
719 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
720 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
721 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
722 /usr/include/linux/signal.h dnl Linux up to 1.2.11
723 /usr/include/sys/signal.h dnl Almost everybody else
724 /dev/null; dnl Just in case we fall through
726 test -f $SIGNAL_H && \
727 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
730 nmh_cv_path_signal_h=$SIGNAL_H
732 SIGNAL_H=$nmh_cv_path_signal_h
733 AC_SUBST(SIGNAL_H)dnl
736 dnl Sigh, this is required because under the new world order autoconf has
737 dnl nothing to create in a few of the build directories when doing an object
738 dnl tree build. So make sure we created certain directories if they don't
742 AC_CONFIG_COMMANDS([build-directories],
743 [test -d etc || ${MKDIR_P} etc
744 test -d man || ${MKDIR_P} man])
746 AC_CONFIG_COMMANDS_POST([
748 dnl These odd looking assignments are done to expand out unexpanded
749 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man'),
750 dnl but expanding that gives '${prefix}/share/man', so we need to expand
751 dnl again to get the final answer.
752 dnl We only use the expanded versions to print the install paths in
753 dnl the final summary and should use them nowhere else (see the autoconf
754 dnl docs for the rationale for bindir etc being unexpanded).
755 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
756 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
757 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
758 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
759 eval "nmhrpm=${nmhrpm}";
764 nmh version : AC_PACKAGE_VERSION
767 compiler flags : ${CFLAGS}
768 linker flags : ${LDFLAGS}
769 preprocessor flags : ${CPPFLAGS}
770 source code location : ${srcdir}
771 binary install path : ${nmhbin}
772 library install path : ${nmhlib}
773 config files install path : ${nmhsysconf}
774 man page install path : ${nmhman}
775 RPM build root : ${nmhrpm}
776 backup prefix : ${backup_prefix}
777 transport system : ${MTS}
778 file locking type : ${LOCKTYPE}
779 default smtp servers : ${smtpservers}
780 default editor : ${editorpath}
781 default pager : ${pagerpath}
782 SASL support : ${sasl_support}
783 TLS support : ${tls_support}
789 AC_CONFIG_FILES([Makefile test/common.sh])