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="$vipath"])
328 AC_SUBST([editorpath])dnl
330 dnl Cygwin FAT filesystems do not support hard links. So use cp instead,
331 dnl even if running on an NTFS or other filesystem.
332 AS_CASE(["$host_os"],
333 [cygwin*],[LINK_FILE=cp],
335 AC_SUBST([LINK_FILE])
337 dnl ----------------------------------------------------------
338 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
339 dnl ----------------------------------------------------------
340 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
341 [for mailspool in /var/mail dnl
344 /dev/null; dnl Just in case we fall through
346 test -d $mailspool && break
348 nmh_cv_mailspool=$mailspool
350 mailspool=$nmh_cv_mailspool
351 AC_SUBST([mailspool])dnl
353 dnl See whether the mail spool directory is world-writable.
354 if test "$lspath" != "no" -a "$cutpath" != "no"; then
355 AC_CACHE_CHECK(whether the mail spool is world-writable,
356 nmh_cv_mailspool_world_writable,
357 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
358 nmh_cv_mailspool_world_writable=no
360 nmh_cv_mailspool_world_writable=yes
364 dnl Also, check for liblockfile (as found on Debian systems)
365 AC_CHECK_HEADER([lockfile.h], [AC_CHECK_LIB(lockfile, lockfile_create)])
367 dnl and whether its companion program dotlockfile is setgid
368 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
369 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
370 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
371 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
372 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
373 nmh_cv_dotlockfile_setgid=yes
375 nmh_cv_dotlockfile_setgid=no
380 dnl Provide a way for distcheck to disable setgid_mail via
381 dnl DISTCHECK_CONFIGURE_FLAGS.
382 if test x"$DISABLE_SETGID_MAIL" != x -a x"$DISABLE_SETGID_MAIL" != x0; then
383 nmh_cv_dotlockfile_setgid=yes
386 dnl If mailspool is not world-writable and dotlockfile is not setgid,
387 dnl we need to #define MAILGROUP to 1 and make inc setgid.
388 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
389 dnl do we really need both of these?
390 AC_DEFINE(MAILGROUP,1,
391 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
394 AC_SUBST(SETGID_MAIL)dnl
396 dnl Use ls to see which group owns the mail spool directory.
397 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
398 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
400 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
401 AC_SUBST(MAIL_SPOOL_GRP)dnl
403 dnl ------------------
404 dnl CHECK HEADER FILES
405 dnl ------------------
407 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
408 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
409 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
410 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
411 dnl declared; if so they should have an entry added to this case statement.
412 dnl NB that we must define this on the compiler command line, not in config.h,
413 dnl because it must be set before any system header is included and there's no
414 dnl portable way to make sure that files generated by lex include config.h
415 dnl before system header files.
417 AS_CASE(["$host_os"],
419 [# Like DEFS, but doesn't get stomped on by configure when using config.h:
420 AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"],
421 [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
425 AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
426 langinfo.h wchar.h wctype.h iconv.h netdb.h \
427 sys/param.h sys/time.h sys/stream.h])
430 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
431 dnl really use a whole set of them, but this check should be
434 AC_CHECK_HEADER(libio.h, [
435 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
436 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
438 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
439 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
440 [[#if HAVE_SYS_STREAM_H
441 # include <sys/stream.h>
448 AC_CHECK_FUNCS([wcwidth mbtowc writev lstat nl_langinfo getutxent])
450 dnl Check for multibyte character set support
451 AS_IF([test "x$ac_cv_header_wchar_h" = "xyes" -a \
452 "x$ac_cv_header_wctype_h" = "xyes" -a \
453 "x$ac_cv_func_wcwidth" = "xyes" -a \
454 "x$ac_cv_func_mbtowc" = "xyes"],
455 [AC_DEFINE([MULTIBYTE_SUPPORT], [1],
456 [Define to enable support for multibyte character sets.])
457 MULTIBYTE_ENABLED=1],
458 [MULTIBYTE_ENABLED=0])
459 AC_SUBST([MULTIBYTE_ENABLED])
461 dnl -------------------
462 dnl CHECK FOR LIBRARIES
463 dnl -------------------
464 dnl Check location of modf
465 AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
467 dnl Checks for network libraries (nsl, socket)
472 termcap_curses_order="termcap curses ncurses"
473 for lib in $termcap_curses_order; do
474 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
476 AC_SUBST([TERMLIB])dnl
477 AS_IF([test "x$TERMLIB" = "x"],
478 [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
479 or ncurses library or package that you can install?])])
486 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
487 if test "x$ac_cv_header_iconv_h" = "xyes"; then
488 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
489 if test "x$ac_found_iconv" = "xno"; then
490 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
491 if test "x$ac_found_iconv" = "xno"; then
492 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
494 if test "x$ac_found_iconv" != "xno"; then
498 dnl Handle case where there is a native iconv but iconv.h is from libiconv
499 AC_CHECK_DECL(_libiconv_version,
500 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
501 [ #include <iconv.h> ])
504 if test "x$ac_found_iconv" = xyes; then
505 AC_DEFINE([HAVE_ICONV], [1], [Define if you have the iconv() function.])
509 dnl Check if iconv uses const in prototype declaration
510 if test "x$ac_found_iconv" = "xyes"; then
511 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
512 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
513 #include <iconv.h>]],
517 #if defined(__STDC__) || defined(__cplusplus)
518 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
522 [ac_cv_iconv_const=],
523 [ac_cv_iconv_const=const])])
524 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
525 [Define as const if the declaration of iconv() needs const.])
532 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
533 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
534 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
535 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
537 if test "$nmh_ndbm" = "autodetect"; then
538 if test "$nmh_ndbmheader" != "autodetect"; then
539 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
542 dnl There are at least four implementations of ndbm, and
543 dnl several of those can be in different places at the whim
544 dnl of the system integrator. A good summary of this mess
545 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
547 dnl Classic ndbm with no library required (eg NetBSD): try this
548 dnl first so we don't accidentally link in a pointless but harmless
549 dnl library in one of the later ndbm.h+libfoo tests:
550 NMH_CHECK_NDBM(ndbm.h,,,
551 dnl Berkeley DBv2 emulating ndbm: header in db.h:
552 NMH_CHECK_NDBM(db.h,db,,
553 dnl Berkeley DBv1 emulating ndbm:
554 NMH_CHECK_NDBM(ndbm.h,db,,
555 NMH_CHECK_NDBM(ndbm.h,db1,,
557 NMH_CHECK_NDBM(ndbm.h,ndbm,,
558 dnl glibc2.1 systems put db1 in a subdir:
559 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
560 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
561 dnl and possibly needing gbdm_compat library:
562 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
563 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
564 NMH_CHECK_NDBM(ndbm.h,gdbm,,
565 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
569 dnl We don't really need to check that the user-specified values work,
570 dnl but it is a convenience to the user to bomb out early rather than
571 dnl after configure and half the compile process.
572 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
575 if test "$nmh_ndbm_found" = "no"; then
576 AC_MSG_ERROR([could not find a working ndbm library/header combination])
578 dnl Now export the lib/header to our makefile/config.h:
579 if test x"$nmh_ndbmheader" != x; then
580 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
581 [Define to the header containing the ndbm API prototypes.])
583 if test x"$nmh_ndbm" != x; then
584 NDBM_LIBS="-l$nmh_ndbm"
588 AC_SUBST([NDBM_LIBS])
591 dnl ------------------
592 dnl Set RPM build root
593 dnl ------------------
594 dnl nmhrpm is used in the final summary, see below. The default value is
595 dnl reported there as ./RPM, consistent with the reporting of the default
596 dnl source code location as ., but its absolute path is used in the Makefile.
598 AS_HELP_STRING([--with-rpmdir=RPMDIR], [RPM build directory @<:@RPM@:>@]))
599 AS_IF([test x"$with_rpmdir" = x], [rpmdir='$(abs_srcdir)/RPM'; nmhrpm=./RPM],
600 [rpmdir="$with_rpmdir"; eval "nmhrpm=${rpmdir}"])
604 dnl --------------------
605 dnl CHECK FOR CYRUS-SASL
606 dnl --------------------
608 AS_IF([test x"$sasl_support" = x"yes"],[
609 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
610 AC_CHECK_LIB([sasl2], [sasl_client_new], [SASLLIB="-lsasl2"],
611 [AC_MSG_ERROR([Cyrus SASL library not found])])],[SASLLIB=""])
614 dnl -----------------
615 dnl CHECK FOR OPENSSL
616 dnl -----------------
618 AS_IF([test x"$tls_support" = x"yes"],[
619 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
620 AC_CHECK_LIB([crypto], [BIO_write], ,
621 [AC_MSG_ERROR([OpenSSL crypto library not found])])
622 AC_CHECK_LIB([ssl], [SSL_library_init], ,
623 [AC_MSG_ERROR([OpenSSL library not found])])])
625 dnl ---------------------
626 dnl CHECK TERMCAP LIBRARY
627 dnl ---------------------
629 dnl Add the termcap library, so that the following configure
630 dnl tests will find it when it tries to link test programs.
631 nmh_save_LIBS="$LIBS"
632 LIBS="$TERMLIB $LIBS"
634 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
635 dnl Some termcaps reportedly accept a zero buffer, but then dump core
637 dnl Under Cygwin test program crashes but exit code is still 0. So,
638 dnl we test for a file that porgram should create
639 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
640 [Define to 1 if tgetent() accepts NULL as a buffer.])
641 AC_CACHE_CHECK(if tgetent accepts NULL,
642 nmh_cv_func_tgetent_accepts_null,
647 int r1 = tgetent(buf, "vt100");
648 int r2 = tgetent((char*)0,"vt100");
649 if (r1 >= 0 && r1 == r2) {
653 creat("conftest.tgetent", 0640);
655 exit((r1 != r2) || r2 == -1);
658 if test -f conftest.tgetent; then
659 nmh_cv_func_tgetent_accepts_null=yes
661 nmh_cv_func_tgetent_accepts_null=no
663 nmh_cv_func_tgetent_accepts_null=no,
664 nmh_cv_func_tgetent_accepts_null=no)])
665 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
666 AC_DEFINE(TGETENT_ACCEPTS_NULL)
668 AC_CACHE_CHECK(if tgetent returns 0 on success,
669 nmh_cv_func_tgetent_zero_success,
674 int r1 = tgetent(buf, "!@#$%^&*");
675 int r2 = tgetent(buf, "vt100");
676 if (r1 < 0 && r2 == 0) {
680 creat("conftest.tgetent0", 0640);
685 if test -f conftest.tgetent0; then
686 nmh_cv_func_tgetent_zero_success=yes
688 nmh_cv_func_tgetent_zero_success=no
690 nmh_cv_func_tgetent_zero_success=no,
691 nmh_cv_func_tgetent_zero_success=no)])
692 AH_TEMPLATE([TGETENT_SUCCESS],
693 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
694 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
695 AC_DEFINE(TGETENT_SUCCESS, 0)
697 AC_DEFINE(TGETENT_SUCCESS, 1)
700 dnl Now put the libraries back to what it was before we
701 dnl starting checking the termcap library.
702 LIBS="$nmh_save_LIBS"
717 dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
718 dnl (FreeBSD has a timezone() function but not a timezone global
719 dnl variable that is visible).
720 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
722 AC_STRUCT_DIRENT_D_TYPE
724 dnl Where is <signal.h> located? Needed as input for signames.awk
725 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
726 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
727 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
728 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
729 /usr/include/linux/signal.h dnl Linux up to 1.2.11
730 /usr/include/sys/signal.h dnl Almost everybody else
731 /dev/null; dnl Just in case we fall through
733 test -f $SIGNAL_H && \
734 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
737 nmh_cv_path_signal_h=$SIGNAL_H
739 SIGNAL_H=$nmh_cv_path_signal_h
740 AC_SUBST(SIGNAL_H)dnl
743 dnl Sigh, this is required because under the new world order autoconf has
744 dnl nothing to create in a few of the build directories when doing an object
745 dnl tree build. So make sure we created certain directories if they don't
749 AC_CONFIG_COMMANDS([build-directories],
750 [test -d etc || ${MKDIR_P} etc
751 test -d man || ${MKDIR_P} man])
753 AC_CONFIG_COMMANDS_POST([
755 dnl These odd looking assignments are done to expand out unexpanded
756 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man'),
757 dnl but expanding that gives '${prefix}/share/man', so we need to expand
758 dnl again to get the final answer.
759 dnl We only use the expanded versions to print the install paths in
760 dnl the final summary and should use them nowhere else (see the autoconf
761 dnl docs for the rationale for bindir etc being unexpanded).
762 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
763 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
764 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
765 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
766 eval "nmhrpm=${nmhrpm}";
771 nmh version : AC_PACKAGE_VERSION
774 compiler flags : ${CFLAGS}
775 linker flags : ${LDFLAGS}
776 preprocessor flags : ${CPPFLAGS}
777 source code location : ${srcdir}
778 binary install path : ${nmhbin}
779 library install path : ${nmhlib}
780 config files install path : ${nmhsysconf}
781 man page install path : ${nmhman}
782 RPM build root : ${nmhrpm}
783 backup prefix : ${backup_prefix}
784 transport system : ${MTS}
785 file locking type : ${LOCKTYPE}
786 default smtp servers : ${smtpservers}
787 default editor : ${editorpath}
788 default pager : ${pagerpath}
789 SASL support : ${sasl_support}
790 TLS support : ${tls_support}
796 AC_CONFIG_FILES([Makefile test/common.sh])