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], "$backup_prefix",
71 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
73 dnl What method of locking to use?
75 [aix*|cygwin*|linux*],
76 [default_locktype="fcntl"; default_locking=FCNTL_LOCKING],
77 [freebsd*|openbsd*|darwin*], [default_locktype="flock"; default_locking=FLOCK_LOCKING],
78 [default_locktype="dot"; default_locking=DOT_LOCKING])
81 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
82 [specify the file locking method]))
84 if test x"$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|pipe@:>@],
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"],
119 [test x"$with_mts" = x"pipe"], [MTS="pipe"],
123 dnl What should be the default pager?
125 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
127 AS_IF([test -n "$with_pager"], [pagerpath="$with_pager"])
129 dnl If a pager is not explicitly specified, then look for one.
130 dnl Fall back to `cat', to avoid catastrophic failure of
131 dnl `mhshow', et al., if pagerpath is set to `no'.
132 if test -z "$pagerpath"; then
133 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
134 AC_PATH_PROGS([pagerpath], [more less most cat], [no], [$pathtmp])
136 AC_SUBST(pagerpath)dnl
138 dnl What should be the default mail server(s)?
139 AC_ARG_WITH(smtpservers,
140 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
141 [specify the default SMTP server(s) @<:@localhost@:>@]))
142 AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"],
143 [smtpservers="localhost"])
144 AC_SUBST([smtpservers])dnl
146 dnl ----------------------------------------------------
147 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
148 dnl ----------------------------------------------------
149 AC_PREFIX_DEFAULT([/usr/local/nmh])
151 dnl ------------------
152 dnl CHECK THE COMPILER
153 dnl ------------------
154 dnl We want these before the checks,
155 dnl so the checks can modify their values.
156 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
157 if test x"$enable_debug" = x"yes"; then
158 test -z "$LDFLAGS" && LDFLAGS=-g
164 AC_CACHE_CHECK([whether preprocessor supports -Wunused-macros],
165 [nmh_cv_has_unusedmacros],
166 [nmh_saved_cppflags="$CPPFLAGS"
167 CPPFLAGS="$CPPFLAGS -Wunused-macros -Wno-unused-macros"
168 AC_TRY_COMPILE([],[],nmh_cv_has_unusedmacros=yes,nmh_cv_has_unusedmacros=no)
169 CPPFLAGS="$nmh_saved_cppflags"])
171 if test "$nmh_cv_has_unusedmacros" = 'yes'; then
172 test -z "$CPPFLAGS" && CPPFLAGS=-Wunused-macros \
173 || CPPFLAGS="$CPPFLAGS -Wunused-macros"
174 DISABLE_UNUSED_MACROS_WARNING=-Wno-unused-macros
176 AC_SUBST(DISABLE_UNUSED_MACROS_WARNING)dnl
178 AC_CACHE_CHECK([whether compiler supports -Wno-sign-compare],
179 [nmh_cv_has_nosigncompare],
180 [nmh_saved_cppflags="$CPPFLAGS"
181 CPPFLAGS="$CPPFLAGS -Wno-sign-compare"
182 AC_TRY_COMPILE([],[],nmh_cv_has_nosigncompare=yes,
183 nmh_cv_has_nosigncompare=no)
184 CPPFLAGS="$nmh_saved_cppflags"])
186 if test "$nmh_cv_has_nosigncompare" = 'yes'; then
187 DISABLE_SIGN_COMPARE_WARNING=-Wno-sign-compare
189 AC_SUBST(DISABLE_SIGN_COMPARE_WARNING)dnl
191 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
192 [nmh_saved_cflags="$CFLAGS"
193 CFLAGS="$CFLAGS -Wextra -Wno-clobbered"
194 AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
195 CFLAGS="$nmh_saved_cflags"])
197 AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
198 [nmh_saved_cflags="$CFLAGS"
199 CFLAGS="$CFLAGS -Wno-pointer-sign"
200 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
201 CFLAGS="$nmh_saved_cflags"])
203 dnl Can't use -ansi with gcc 4.5.3 on Cygwin, at least through setup
204 dnl setup version 2.763, because it disables some features in the
205 dnl system system header files and warns about them with -Wall. Try
206 dnl to test for that generally, though still with gcc.
207 if test "$GCC" = yes; then
208 AC_CACHE_CHECK([whether we can use -ansi with gcc], [nmh_cv_has_dash_ansi],
209 [nmh_saved_cppflags="$CPPFLAGS"
210 nmh_saved_cflags="$CFLAGS"
211 CPPFLAGS="-D_GNU_SOURCE"
212 CFLAGS="-ansi -Wall -Werror"
213 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <time.h>],[tzset();])],
214 [nmh_cv_has_dash_ansi=yes],
215 [nmh_cv_has_dash_ansi=no])
216 CPPFLAGS="$nmh_saved_cppflags"
217 CFLAGS="$nmh_saved_cflags"])
219 nmh_cv_has_dash_ansi=no
222 dnl if the user hasn't specified CFLAGS, then
223 dnl if compiler is gcc, then
224 dnl use -O2 and some warning flags
226 dnl We use -Wall and -Wextra if supported. If the compiler supports it we
227 dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
228 dnl warnings which are probably mostly spurious and which in any case we
229 dnl don't want to deal with now.
230 if test "$nmh_cv_has_noptrsign" = "yes"; then
231 if test "$nmh_cv_has_dash_ansi" = "yes"; then
232 nmh_gcc_common_flags="-ansi -pedantic -Wall"
234 nmh_gcc_common_flags="-Wall"
236 if test "$nmh_cv_has_wextra" = "yes"; then
237 nmh_gcc_warnflags="${nmh_gcc_common_flags} -Wextra -Wno-clobbered "\
240 nmh_gcc_warnflags="${nmh_gcc_common_flags} -Wno-pointer-sign"
243 if test "$nmh_cv_has_wextra" = "yes"; then
244 nmh_gcc_warnflags="${nmh_gcc_common_flags} -Wextra -Wno-clobbered"
246 nmh_gcc_warnflags="${nmh_gcc_common_flags}"
250 if test -n "$auto_cflags"; then
251 if test x"$enable_debug" = x"yes"; then
252 if test -n "$GCC"; then
253 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
255 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
258 if test -z "$LDFLAGS"; then
268 if test -n "$GCC"; then
269 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
271 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
276 AC_C_CONST dnl Does compiler support `const'.
278 dnl ------------------
279 dnl CHECK FOR PROGRAMS
280 dnl ------------------
281 AC_PROG_MAKE_SET dnl Does make define $MAKE
282 AC_PROG_INSTALL dnl Check for BSD compatible `install'
283 AC_PROG_RANLIB dnl Check for `ranlib'
284 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
285 AC_PROG_SED dnl Check for Posix-compliant sed
286 AC_PROG_LEX dnl Check for lex/flex
289 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
290 AC_PATH_PROG([cutpath], [cut], [no], [$pathtmp])
293 dnl Check for MD5 program and formatting command
295 AC_CHECK_PROGS([MD5SUM], [md5sum md5], [missing])
296 AS_CASE(["${MD5SUM}"],
297 [md5sum], [MD5FMT="cat"],
298 [md5], [[MD5FMT="${SED} -e 's/MD5 *(\(.*\)) *= \([0-9a-f]*\)/\2 \1/'"]],
302 dnl ----------------------------------------------
303 dnl check for lclint, and lint if it doesn't exist
304 dnl ----------------------------------------------
305 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
306 if test x$ac_cv_prog_linttmp1 != xno ; then
307 LINT=$ac_cv_prog_linttmp1
308 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
310 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
311 if test x$ac_cv_prog_linttmp2 != xno ; then
312 LINT=$ac_cv_prog_linttmp2
315 LINT="echo 'No lint program found'"
320 AC_SUBST([LINTFLAGS])dnl
323 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
324 AC_PATH_PROG([lspath], [ls], [no], [$pathtmp])
326 dnl See how we get ls to display the owner and the group
327 if test "$lspath" != "no"; then
328 AC_CACHE_CHECK([how to get ls to show us the group ownership of a file],
330 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
331 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
332 dnl ls, it would seem -l gave us both the user and group. On this type of
333 dnl ls, -g makes _only_ the group be displayed (and not the user).
334 nmh_cv_ls_grpopt="-l"
336 dnl Looks like -l only gave us the user, so we need -g to get the group too.
337 nmh_cv_ls_grpopt="-lg"
341 dnl Look for `sendmail'
342 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
343 AC_PATH_PROG([sendmailpath], [sendmail], [/usr/sbin/sendmail], [$pathtmp])
346 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
347 AC_PATH_PROG([vipath], [vi], [/bin/vi], [$pathtmp])
349 dnl If editor is not specified yet,
350 dnl then use `vi' as the default.
351 AS_IF([test -z "$editorpath"], [editorpath="$vipath"])
352 AC_SUBST([editorpath])dnl
354 dnl Cygwin FAT filesystems do not support hard links. So default to
355 dnl cp instead, even if running on an NTFS or other filesystem.
356 AS_CASE(["$host_os"],
361 dnl ----------------------------------------------------------
362 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
363 dnl ----------------------------------------------------------
364 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
365 [for mailspool in /var/mail dnl
368 /dev/null; dnl Just in case we fall through
370 test -d $mailspool && break
372 nmh_cv_mailspool=$mailspool
374 mailspool=$nmh_cv_mailspool
375 AC_SUBST([mailspool])dnl
377 dnl See whether the mail spool directory is world-writable.
378 if test "$lspath" != "no" -a "$cutpath" != "no"; then
379 AC_CACHE_CHECK(whether the mail spool is world-writable,
380 nmh_cv_mailspool_world_writable,
381 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
382 nmh_cv_mailspool_world_writable=no
384 nmh_cv_mailspool_world_writable=yes
388 dnl Also, check for liblockfile (as found on Debian systems)
389 AC_CHECK_HEADER([lockfile.h], [AC_CHECK_LIB(lockfile, lockfile_create)])
391 dnl and whether its companion program dotlockfile is setgid
392 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
393 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
394 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
395 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
396 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
397 nmh_cv_dotlockfile_setgid=yes
399 nmh_cv_dotlockfile_setgid=no
404 dnl Provide a way for distcheck to disable setgid_mail via
405 dnl DISTCHECK_CONFIGURE_FLAGS.
406 if test x"$DISABLE_SETGID_MAIL" != x -a x"$DISABLE_SETGID_MAIL" != x0; then
407 nmh_cv_dotlockfile_setgid=yes
410 dnl If mailspool is not world-writable and dotlockfile is not setgid,
411 dnl we need to #define MAILGROUP to 1 and make inc setgid.
412 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
413 dnl do we really need both of these?
414 AC_DEFINE(MAILGROUP,1,
415 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
418 AC_SUBST(SETGID_MAIL)dnl
420 dnl Use ls to see which group owns the mail spool directory.
421 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
422 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
424 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
425 AC_SUBST(MAIL_SPOOL_GRP)dnl
427 dnl ------------------
428 dnl CHECK HEADER FILES
429 dnl ------------------
431 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
432 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
433 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
434 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
435 dnl declared; if so they should have an entry added to this case statement.
436 dnl NB that we must define this on the compiler command line, not in config.h,
437 dnl because it must be set before any system header is included and there's no
438 dnl portable way to make sure that files generated by lex include config.h
439 dnl before system header files.
441 AS_CASE(["$host_os"],
443 [# Like DEFS, but doesn't get stomped on by configure when using config.h:
444 AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"],
445 [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
449 AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
450 langinfo.h wchar.h wctype.h iconv.h netdb.h \
451 sys/param.h sys/time.h sys/stream.h])
454 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
455 dnl really use a whole set of them, but this check should be
458 AC_CHECK_HEADER(libio.h, [
459 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
460 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
462 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
463 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
464 [[#if HAVE_SYS_STREAM_H
465 # include <sys/stream.h>
472 AC_CHECK_FUNCS([wcwidth mbtowc writev lstat nl_langinfo getutxent])
474 dnl Check for multibyte character set support
475 AS_IF([test "x$ac_cv_header_wchar_h" = "xyes" -a \
476 "x$ac_cv_header_wctype_h" = "xyes" -a \
477 "x$ac_cv_func_wcwidth" = "xyes" -a \
478 "x$ac_cv_func_mbtowc" = "xyes"],
479 [AC_DEFINE([MULTIBYTE_SUPPORT], [1],
480 [Define to enable support for multibyte character sets.])
481 MULTIBYTE_ENABLED=1],
482 [MULTIBYTE_ENABLED=0])
483 AC_SUBST([MULTIBYTE_ENABLED])
485 dnl -------------------
486 dnl CHECK FOR LIBRARIES
487 dnl -------------------
488 dnl Check location of modf
489 AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
491 dnl Checks for network libraries (nsl, socket)
496 termcap_curses_order="termcap curses ncurses"
497 for lib in $termcap_curses_order; do
498 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
500 AC_SUBST([TERMLIB])dnl
501 AS_IF([test "x$TERMLIB" = "x"],
502 [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
503 or ncurses library or package that you can install?])])
510 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
511 if test "x$ac_cv_header_iconv_h" = "xyes"; then
512 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
513 if test "x$ac_found_iconv" = "xno"; then
514 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
515 if test "x$ac_found_iconv" = "xno"; then
516 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
518 if test "x$ac_found_iconv" != "xno"; then
522 dnl Handle case where there is a native iconv but iconv.h is from libiconv
523 AC_CHECK_DECL(_libiconv_version,
524 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
525 [ #include <iconv.h> ])
528 if test "x$ac_found_iconv" = xyes; then
529 AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.])
533 dnl Check if iconv uses const in prototype declaration
534 if test "x$ac_found_iconv" = "xyes"; then
535 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
536 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
537 #include <iconv.h>]],
541 #if defined(__STDC__) || defined(__cplusplus)
542 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
546 [ac_cv_iconv_const=],
547 [ac_cv_iconv_const=const])])
548 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
549 [Define as const if the declaration of iconv() needs const.])
556 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
557 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
558 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
559 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
561 if test "$nmh_ndbm" = "autodetect"; then
562 if test "$nmh_ndbmheader" != "autodetect"; then
563 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
566 dnl There are at least four implementations of ndbm, and
567 dnl several of those can be in different places at the whim
568 dnl of the system integrator. A good summary of this mess
569 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
571 dnl Classic ndbm with no library required (eg NetBSD): try this
572 dnl first so we don't accidentally link in a pointless but harmless
573 dnl library in one of the later ndbm.h+libfoo tests:
574 NMH_CHECK_NDBM(ndbm.h,,,
575 dnl Berkeley DBv2 emulating ndbm: header in db.h:
576 NMH_CHECK_NDBM(db.h,db,,
577 dnl Berkeley DBv1 emulating ndbm:
578 NMH_CHECK_NDBM(ndbm.h,db,,
579 NMH_CHECK_NDBM(ndbm.h,db1,,
581 NMH_CHECK_NDBM(ndbm.h,ndbm,,
582 dnl glibc2.1 systems put db1 in a subdir:
583 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
584 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
585 dnl and possibly needing gbdm_compat library:
586 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
587 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
588 NMH_CHECK_NDBM(ndbm.h,gdbm,,
589 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
593 dnl We don't really need to check that the user-specified values work,
594 dnl but it is a convenience to the user to bomb out early rather than
595 dnl after configure and half the compile process.
596 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
599 if test "$nmh_ndbm_found" = "no"; then
600 AC_MSG_ERROR([could not find a working ndbm library/header combination])
602 dnl Now export the lib/header to our makefile/config.h:
603 if test x"$nmh_ndbmheader" != x; then
604 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
605 [Define to the header containing the ndbm API prototypes.])
607 if test x"$nmh_ndbm" != x; then
608 NDBM_LIBS="-l$nmh_ndbm"
612 AC_SUBST([NDBM_LIBS])
615 dnl ------------------
616 dnl Set RPM build root
617 dnl ------------------
618 dnl nmhrpm is used in the final summary, see below. The default value is
619 dnl reported there as ./RPM, consistent with the reporting of the default
620 dnl source code location as ., but its absolute path is used in the Makefile.
622 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
623 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
624 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
628 dnl --------------------
629 dnl CHECK FOR CYRUS-SASL
630 dnl --------------------
632 AS_IF([test x"$sasl_support" = x"yes"],[
633 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
634 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
635 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
638 dnl -----------------
639 dnl CHECK FOR OPENSSL
640 dnl -----------------
642 AS_IF([test x"$tls_support" = x"yes"],[
643 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
644 AC_CHECK_LIB([crypto], [BIO_write], ,
645 [AC_MSG_ERROR([OpenSSL crypto library not found])])
646 AC_CHECK_LIB([ssl], [SSL_library_init], ,
647 [AC_MSG_ERROR([OpenSSL library not found])])])
649 dnl ---------------------
650 dnl CHECK TERMCAP LIBRARY
651 dnl ---------------------
653 dnl Add the termcap library, so that the following configure
654 dnl tests will find it when it tries to link test programs.
655 nmh_save_LIBS="$LIBS"
656 LIBS="$TERMLIB $LIBS"
658 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
659 dnl Some termcaps reportedly accept a zero buffer, but then dump core
661 dnl Under Cygwin test program crashes but exit code is still 0. So,
662 dnl we test for a file that porgram should create
663 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
664 [Define to 1 if tgetent() accepts NULL as a buffer.])
665 AC_CACHE_CHECK(if tgetent accepts NULL,
666 nmh_cv_func_tgetent_accepts_null,
671 int r1 = tgetent(buf, "vt100");
672 int r2 = tgetent((char*)0,"vt100");
673 if (r1 >= 0 && r1 == r2) {
677 creat("conftest.tgetent", 0640);
679 exit((r1 != r2) || r2 == -1);
682 if test -f conftest.tgetent; then
683 nmh_cv_func_tgetent_accepts_null=yes
685 nmh_cv_func_tgetent_accepts_null=no
687 nmh_cv_func_tgetent_accepts_null=no,
688 nmh_cv_func_tgetent_accepts_null=no)])
689 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
690 AC_DEFINE(TGETENT_ACCEPTS_NULL)
692 AC_CACHE_CHECK(if tgetent returns 0 on success,
693 nmh_cv_func_tgetent_zero_success,
698 int r1 = tgetent(buf, "!@#$%^&*");
699 int r2 = tgetent(buf, "vt100");
700 if (r1 < 0 && r2 == 0) {
704 creat("conftest.tgetent0", 0640);
709 if test -f conftest.tgetent0; then
710 nmh_cv_func_tgetent_zero_success=yes
712 nmh_cv_func_tgetent_zero_success=no
714 nmh_cv_func_tgetent_zero_success=no,
715 nmh_cv_func_tgetent_zero_success=no)])
716 AH_TEMPLATE([TGETENT_SUCCESS],
717 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
718 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
719 AC_DEFINE(TGETENT_SUCCESS, 0)
721 AC_DEFINE(TGETENT_SUCCESS, 1)
724 dnl Now put the libraries back to what it was before we
725 dnl starting checking the termcap library.
726 LIBS="$nmh_save_LIBS"
741 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
742 dnl (FreeBSD has a timezone() function but not a timezone global
743 dnl variable that is visible).
744 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
746 AC_STRUCT_DIRENT_D_TYPE
748 dnl Where is <signal.h> located? Needed as input for signames.awk
749 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
750 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
751 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
752 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
753 /usr/include/linux/signal.h dnl Linux up to 1.2.11
754 /usr/include/sys/signal.h dnl Almost everybody else
755 /dev/null; dnl Just in case we fall through
757 test -f $SIGNAL_H && \
758 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
761 nmh_cv_path_signal_h=$SIGNAL_H
763 SIGNAL_H=$nmh_cv_path_signal_h
764 AC_SUBST(SIGNAL_H)dnl
767 dnl Sigh, this is required because under the new world order autoconf has
768 dnl nothing to create in a few of the build directories when doing an object
769 dnl tree build. So make sure we created certain directories if they don't
773 AC_CONFIG_COMMANDS([build-directories],
774 [test -d etc || ${MKDIR_P} etc
775 test -d man || ${MKDIR_P} man])
777 AC_CONFIG_COMMANDS_POST([
779 dnl These odd looking assignments are done to expand out unexpanded
780 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man'),
781 dnl but expanding that gives '${prefix}/share/man', so we need to expand
782 dnl again to get the final answer.
783 dnl We only use the expanded versions to print the install paths in
784 dnl the final summary and should use them nowhere else (see the autoconf
785 dnl docs for the rationale for bindir etc being unexpanded).
786 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
787 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
788 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
789 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
790 eval "nmhrpm=${nmhrpm}";
795 nmh version : AC_PACKAGE_VERSION
798 compiler flags : ${CFLAGS}
799 linker flags : ${LDFLAGS}
800 preprocessor flags : ${CPPFLAGS}
801 source code location : ${srcdir}
802 binary install path : ${nmhbin}
803 library install path : ${nmhlib}
804 config files install path : ${nmhsysconf}
805 man page install path : ${nmhman}
806 RPM build root : ${nmhrpm}
807 backup prefix : ${backup_prefix}
808 transport system : ${MTS}
809 file locking type : ${LOCKTYPE}
810 default smtp servers : ${smtpservers}
811 default editor : ${editorpath}
812 default pager : ${pagerpath}
813 SASL support : ${sasl_support}
814 TLS support : ${tls_support}
820 AC_CONFIG_FILES([Makefile test/common.sh])