1 dnl Autoconfigure input file for fetchmail
3 # Fetchmail automatic configuration support
5 # Eric S. Raymond <esr@thyrsus.com>
6 # 2004 - 2010 Matthias Andree <matthias.andree@gmx.de>
8 dnl Process this file with autoconf to produce a configure script.
11 dnl XXX - if bumping version here, check fetchmail.man, too!
12 AC_INIT([fetchmail],[6.4.0-alpha1],[fetchmail-devel@lists.berlios.de])
13 AC_CONFIG_SRCDIR([fetchmail.h])
14 AC_CONFIG_HEADERS([config.h])
15 AC_CONFIG_LIBOBJ_DIR([.])
19 dnl automake options are in Makefile.am
21 dnl 2.60 required for AC_USE_SYSTEM_EXTENSIONS
24 dnl python is optional
26 # you can pass PYTHON=: in environment or on the command line
27 # to disable python detection and continue without building/installing
28 # fetchmail.conf -- be sure to check README.packaging, too!
30 AM_PATH_PYTHON(2.0,,AC_MSG_WARN([Disabling fetchmailconf: python 2.0 or greater not found]))
31 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
36 AC_PROG_CPP dnl Later checks need this.
43 AC_USE_SYSTEM_EXTENSIONS
45 dnl check for b0rked Solaris (and other shells) and find one that works
46 AC_MSG_CHECKING(for a working shell...)
47 for i in /usr/xpg6/bin/sh /usr/xpg4/bin/sh /usr/ccs/bin/sh /bin/sh /usr/bin/sh /bin/ksh /bin/bash /usr/local/bin/bash ; do
48 $i -c 'if ! false ; then echo $(echo ok) ; fi' >config.$$ 2>/dev/null
51 if test "x$j" = "xok" ; then
58 if test "x$SHELL" = "x" ; then
59 AC_MSG_ERROR(no SUS compliant shell found - on Solaris, install SUNWxcu4)
65 AC_CHECK_HEADERS([arpa/nameser.h md5.h])
67 AC_CHECK_HEADERS([resolv.h],,,[
68 #include <sys/types.h>
69 #ifdef HAVE_NETINET_IN_H
70 #include <netinet/in.h>
72 #ifdef HAVE_ARPA_NAMESER_H
73 #include <arpa/nameser.h>
77 AC_CHECK_DECLS([h_errno],,,[
84 AC_C_CONST dnl getopt needs this.
86 # Check for OS special cases
89 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
90 CPPFLAGS="$CPPFLAGS -DBIND_8_COMPAT"
92 # Check for FreeBSD special case: more libs needed
94 AC_MSG_NOTICE(found FreeBSD - Adding -lkvm -lcom_err to standard libraries)
95 LIBS="$LIBS -lkvm -lcom_err"
102 AM_GNU_GETTEXT([external], [need-ngettext])
103 AM_GNU_GETTEXT_VERSION([0.17])
106 # Under sysV68, socket and friends are provided by the C library.
107 # -linet does not provide socket, but causes multiple definition
108 # errors at link-time. It is thus better to only use the C library.
109 # So don't add -linet to the link list unless it's necessary
110 AC_CHECK_FUNC(socket,
111 AC_MSG_RESULT(using libc's socket),
112 AC_CHECK_LIB(socket,socket)
113 AC_CHECK_LIB(inet,socket))
115 # The condition in this test copes with the presence of inet_addr in libc6.
116 AC_CHECK_FUNC(inet_addr,
117 AC_MSG_RESULT(using libc's inet_addr),
118 AC_CHECK_LIB(nsl,inet_addr))
120 AC_REPLACE_FUNCS([stpcpy strlcpy strlcat])
123 if test "$ac_cv_header_md5_h" != no ; then
124 AC_SEARCH_LIBS(MD5Init, [md], [have_md5=yes])
127 if test "$have_md5" != yes ; then
129 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"
132 AC_CHECK_FUNC(getopt_long, [],
133 [AC_LIBSOURCES([getopt.c, getopt1.c])
134 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
138 AC_CHECK_FUNCS(vsyslog inet_aton)
140 dnl INET6 is used by KAME/getnameinfo
141 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
144 #ifdef HAVE_SYS_TYPES_H
145 #include <sys/types.h>
147 #ifdef HAVE_SYS_SOCKET_H
148 #include <sys/socket.h>
154 ac_cv_inet6=yes , ac_cv_inet6=no
156 if test "x$ac_cv_inet6" = xyes
158 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
161 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
162 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
163 # library. So don't add -lresolv to the link list unless it's necessary
164 # (It will be necessary when using GNU libc6).
166 for lib in '' -lresolv; do
167 if test -z "$lib"; then
168 AC_MSG_CHECKING([for res_search in libc])
170 AC_MSG_CHECKING([for res_search in $lib])
172 LIBS="$old_LIBS $lib"
173 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
174 #include <sys/types.h>
175 #ifdef HAVE_NETINET_IN_H
176 #include <netinet/in.h>
178 #ifdef HAVE_ARPA_NAMESER_H
179 #include <arpa/nameser.h>
184 extern int res_search();
185 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
186 [AC_MSG_RESULT([found])
187 AC_DEFINE(HAVE_RES_SEARCH, [1],
188 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
189 break], [AC_MSG_RESULT([not found])])
193 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
194 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
196 dnl Check for usable void pointer type
197 AC_MSG_CHECKING(use of void pointer type)
198 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
200 p = (char *) xmalloc(1);
201 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
203 dnl Check for ANSI volatile
206 dnl Check out the wait reality. We have to assume sys/wait.h is present.
207 AC_CHECK_FUNCS(waitpid wait3)
208 AC_MSG_CHECKING(for union wait);
209 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
210 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
212 /* Some POSIXoid systems have both the new-style macros and the old
213 union wait type, and they do not work together. If union wait
214 conflicts with WEXITSTATUS et al, we do not want to use it at all. */
215 if (WEXITSTATUS (status) != 0) pid = -1;
218 /* Make sure union wait works with waitpid. */
219 pid = waitpid (-1, &status, 0);
221 ]])],[AC_DEFINE(HAVE_UNION_WAIT,1,Define if 'union wait' is the type of the first arg to wait functions.) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
223 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
224 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
225 /* NetBSD declares sys_siglist in <unistd.h>. */
227 ]], [[char *msg = *(sys_siglist + 1);]])],[AC_DEFINE(SYS_SIGLIST_DECLARED,1,[Define if 'sys_siglist' is declared by <signal.h>.]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
229 # Find the right directory to put the root-mode PID file in
230 for dir in "/var/run" "/etc"
237 AC_MSG_RESULT(root-mode pid file will go in $dir)
238 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
240 # We may have a fallback MDA available in case the socket open to the
241 # local SMTP listener fails. Best to use procmail for this, as we know
242 # it won't try delivering through local SMTP and cause a mail loop.
243 # Sendmail without the -t option to use the message headers will work too,
244 # not just for sendmail itself but for workalikes like exim.
246 # Note1: A disadvantage of using procmail is that local alias expansion
247 # according to /etc/aliases won't get done if we fall back. This doesn't
248 # matter in single-drop mode.
250 # Note2: it would be a very bad idea to use any MDA that doesn't return
251 # a refuse-to-deliver status on disk- or process-table-full
252 # conditions; mail could get lost that way. Sendmail and all of the MDAs
253 # like exim that might be lurking under a sendmail alias) do the right
254 # thing in this circumstance. Matthias Andree warns that procmail does
257 # Note3: Defalt value of fallback is now off. Matthias writes:
259 # 1. there is no way to predict when the fallback is used. With some MTAs
260 # (such as those limiting load average), outer circumstances can cause
261 # the fallback to kick in.
263 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
264 # not only about alias expansion, .forwards to special filters won't
265 # work, mail may end up in a different place (users claim "mail loss"
268 # 3. The claim procmail did the right thing with its exit codes is plain
269 # wrong. I've seen procmail exit with code 1 when it should have exited
270 # with code 75, like, configuration errors. Procmail is a dangerous
271 # beast and is best replaced by maildrop.
273 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
274 # cannot tell which one it should choose. Say, your MTA is configured
275 # to use maildrop to deliver to user's mailboxes, if fetchmail then
276 # chooses procmail, this is plain wrong.
279 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
280 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
281 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
283 ### use option --disable-fallback to disable fallback MDA
284 ### use option --enable-fallback=procmail or
285 ### --enable-fallback=sendmail to select
286 AC_ARG_ENABLE(fallback,
287 [ --enable-fallback=procmail enable procmail as fallback
288 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
289 --enable-fallback=maildrop enable maildrop as fallback
290 --enable-fallback=no disable fallback],,[enable_fallback=no])
292 case "$enable_fallback" in
293 sendmail) if test -z "$sendmail" ; then
294 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
297 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
298 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
300 procmail) if test -z "$procmail" ; then
301 AC_MSG_ERROR([procmail selected as fallback, but not found])
304 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
305 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
307 maildrop) if test -z "$maildrop" ; then
308 AC_MSG_ERROR([maildrop selected as fallback, but not found])
311 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
312 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
314 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
316 auto|yes|set) if test -n "$sendmail" ; then
317 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
318 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
320 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
321 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
324 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
329 AC_CHECK_SIZEOF(short)
331 AC_CHECK_SIZEOF(long)
333 ### use option --disable-POP3 to omit the POP3 support
335 [ --disable-POP3 don't compile in POP3 protocol support],
336 [with_POP3=$enableval],
338 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
339 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
341 ### use option --disable-IMAP to omit the IMAP support
343 [ --disable-IMAP don't compile in IMAP protocol support],
344 [with_IMAP=$enableval],
346 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
347 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
349 ### use option --disable-ETRN to omit the ETRN support
351 [ --disable-ETRN don't compile in ETRN protocol support],
352 [with_ETRN=$enableval],
354 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
355 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
357 ### use option --disable-ODMR to omit the ODMR support
359 [ --disable-ODMR don't compile in ODMR protocol support],
360 [with_ODMR=$enableval],
362 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
363 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
365 ### use option --enable-RPA to compile in the RPA support
367 [ --enable-RPA compile in RPA protocol support],
368 [with_RPA=$enableval],
370 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
371 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
373 ### use option --enable-NTLM to compile in the NTLM support
375 [ --enable-NTLM compile in NTLM authentication support],
376 [with_NTLM=$enableval],
378 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
379 AM_CONDITIONAL(NTLM_ENABLE, test "$with_NTLM" = yes)
381 ### use option --enable-SDPS to compile in the SDPS support
383 [ --enable-SDPS compile in SDPS protocol support],
384 [with_SDPS=$enableval],
386 if test "$with_SDPS" = yes ; then
387 if test "$with_POP3" != yes ; then
388 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
391 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
394 if test "$with_POP3" != yes && test "$with_IMAP" != yes ; then
395 AC_MSG_ERROR([You must enable at least one of POP3 and IMAP.])
400 ### use option --enable-opie to compile in the OPIE support
402 [ --enable-opie support OTP through the OPIE library],
403 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
404 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
405 with_opie=$enableval],
407 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
409 dnl Mostly stolen from gnulib's getaddrinfo.m4
410 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
411 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
413 #include <sys/types.h>
414 #ifdef HAVE_SYS_SOCKET_H
415 #include <sys/socket.h>
420 ], [getaddrinfo(0, 0, 0, 0);],
421 [ fm_cv_getaddrinfo=yes],
422 [ fm_cv_getaddrinfo=no ])
425 if test x"$fm_cv_getaddrinfo" = "xyes"; then
426 AC_DEFINE(HAVE_GETADDRINFO, 1,
427 [Define to 1 if you have the getaddrinfo function.])
430 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
432 #include <sys/types.h>
433 #ifdef HAVE_SYS_SOCKET_H
434 #include <sys/socket.h>
442 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
443 [ fm_cv_getnameinfo=yes],
444 [ fm_cv_getnameinfo=no ])
446 if test $fm_cv_getnameinfo = yes ; then
447 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
450 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
451 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
453 AC_CHECK_FUNCS(inet_ntop)
454 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
455 if test "$fm_cv_getaddrinfo" = yes ; then
456 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
458 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
460 darwin9*) gai_ts=yes ;;
461 linux*) gai_ts=yes ;;
462 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
463 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
465 AC_MSG_RESULT($gai_ts)
466 if test $gai_ts = yes ; then
467 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
471 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
473 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
474 # OpenSSL support (Debian's is)
475 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
476 # I don't know if this is 100% correct, but now at least IMAP and POP3
477 # behave the same way regarding kerberosV.
478 # * Build without any fuss for both kerberosIV and V at the same time.
479 # * Move all the kerberos header mess to kerberos.h, and #include that
480 # in driver.c and kerberos.c.
482 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
483 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
484 # the MIT reference implementation of KerberosV (all as packaged in Debian).
486 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
487 ### make sure --with-ssl is run before --with-kerberos* !
488 AC_ARG_WITH(kerberos5,
489 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
491 if test "$with_kerberos5" != "no"
493 # Check for a OpenBSD special case
494 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
496 AS_MESSAGE(checking kerberosV for OpenBSD...)
497 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
498 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
499 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
500 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
501 elif krb5-config 2> /dev/null >/dev/null ; then
502 krb5_prefix=`krb5-config --prefix krb5`
503 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
504 if test -f ${krb5_prefix}/include/et/com_err.h && \
505 ! test -f ${krb5_prefix}/include/com_err.h ; then
506 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
509 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
510 LIBS="$LIBS `krb5-config --libs krb5`"
511 AC_DEFINE(KERBEROS_V5)
513 if test "$with_kerberos5" != "yes"
515 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
516 searchdirs="$with_kerberos5"
518 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
521 for dir in $searchdirs
522 do AC_MSG_CHECKING([for Kerberos V in $dir])
523 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
525 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
527 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
529 ac_krblibs="-lasn1 -lroken -lcom_err"
530 AC_MSG_RESULT([Heimdal found])
531 dnl Attempt to detect if we need to -ldb2 to link Heimdal
532 dnl we assume we do if it is available
533 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
535 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
536 AC_CHECK_LIB(crypto, MD5_Init, [],
537 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
538 ${LDFLAGS} ${ac_krblibs}),
539 ${LDFLAGS} ${ac_krblibs})
542 AC_MSG_RESULT([found])
543 ac_krblibs="-lcom_err"
545 krb5_des_string_to_key,
546 libk5crypto=-lcrypto,
547 AC_CHECK_LIB(k5crypto,
548 krb5_des_string_to_key,
549 libk5crypto=-lk5crypto,
550 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
551 ${LDFLAGS} ${ac_krblibs}),
552 ${LDFLAGS} ${ac_krblibs})
554 AC_CHECK_LIB(krb5, krb5_init_context,[],
556 ${LDFLAGS} ${ac_krblibs})
557 AC_DEFINE(KERBEROS_V5)
558 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
559 LDFLAGS="$LDFLAGS -L$dir/lib"
560 LIBS="$LIBS $ac_krblibs $libk5crypto"
564 AC_MSG_RESULT([not found])
567 if test -z "$with_kerberos5" ; then
568 AC_MSG_ERROR([Kerberos 5 libraries not found])
572 ]) dnl --with-kerberos5=DIR
574 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
576 AC_ARG_WITH(kerberos,
577 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
579 if test "$with_kerberos" != "no"
581 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
582 # Check for a NetBSD/OpenBSD special case
583 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
585 AS_MESSAGE(checking kerberosIV for `uname`...)
587 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
589 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
590 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
592 elif krb4-config 2> /dev/null >/dev/null ; then
593 krb4_prefix=`krb4-config --prefix`
594 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
596 CFLAGS="$CFLAGS `krb4-config --cflags`"
597 LIBS="$LIBS `krb4-config --libs`"
599 elif krb5-config 2> /dev/null >/dev/null ; then
600 krb4_prefix=`krb5-config --prefix krb4`
601 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
602 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
603 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
606 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
607 LIBS="$LIBS `krb5-config --libs krb4`"
610 #we need to detect when we're building under a kerberosV compatibility
612 if test "$with_kerberos" != "yes" ; then
613 searchdirs="$with_kerberos"
615 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
618 ac_saveLDFLAGS="$LDFLAGS"
619 for dir in $searchdirs
621 AC_MSG_CHECKING([for Kerberos IV in $dir])
622 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
623 || test -f "$dir/include/kerberosIV/krb.h"
625 AC_MSG_RESULT([found])
627 AC_MSG_RESULT([not found])
631 if test -f "$with_kerberos5/roken.h" ; then
632 AC_CHECK_LIB(45, krb_mk_req)
634 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
635 if test `uname` = "FreeBSD"; then
636 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
638 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
640 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
642 if test -f "$dir/include/kerberosIV/krb.h" ; then
643 dir="$dir/include/kerberosIV"
648 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
649 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
650 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
653 if test -z "$with_kerberos" ; then
654 AC_MSG_ERROR([Kerberos 4 libraries not found])
656 LDFLAGS="$ac_saveLDFLAGS"
659 ]) dnl --with-kerberos=DIR
660 if test "$KERBEROS_V4" = 1 ; then
661 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
663 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
665 ### use option --with-ssl to compile in the SSL support
667 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
670 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
672 if test "$with_ssl" = "yes"
674 # User didn't specify an SSL location. Let's look at some common
675 # directories where SSL has been found in the past and try and auto
676 # configure for SSL. OpenSSL determination will be made later.
677 # This will screw up if an OpenSSL install is located in a later
678 # directory than an older SSLeay install, but the user should fix that
679 # anyways and he can override on the configure line.
680 # Just testing for directories is not sufficient, /usr exists on
692 if test -r "$ac_dir/include/openssl/ssl.h" ; then
699 if test -n "$with_ssl" -a "$with_ssl" != "no"
701 # With the autoconfigure above, the only time this is going to be
702 # true is going to be when we could not find the headers. If they
703 # are not in system standard locations, we are going to be broken.
704 if test "$with_ssl" = "yes"
706 # Let's just define the standard location for the SSLeay root
707 with_ssl="/usr/local/ssl"
709 if test -r $with_ssl/include/openssl/ssl.h
711 ### ssl.h found under openssl. Use openssl configuration preferentially,
712 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
713 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
714 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
715 ### force the Kerberos direcory onto the include path so it will build.
716 CFLAGS="$CFLAGS -I/usr/kerberos/include"
717 ### OpenBSD comes with ssl headers
719 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
721 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
722 LIBS="$LIBS -lssl -lcrypto"
723 dnl check if -ldl is needed
724 AC_MSG_CHECKING([for additional library dependencies of SSL])
727 for i in "" "-ldl" ; do
728 LIBS="$LDFLAGS $save_LIBS $i"
729 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],[SSL_library_init()])],[found=1; break])
731 if test $found = 0 ; then
732 AC_MSG_RESULT([error])
733 AC_MSG_ERROR([cannot link with SSL - check config.log])
736 if test "$i" = "" ; then i="(none)" ; fi
738 dnl XXX FIXME: use pkg-config if available!
739 AC_DEFINE(SSL_ENABLE)
741 AC_MSG_NOTICE(Disabling SSL support.)
744 ### use option --with-socks=DIR to point at SOCKS library
746 [ --with-socks[=DIR] add built-in SOCKS firewall access],
748 if test "$with_socks" != no
750 if test "$with_socks" != yes
752 LDFLAGS="$LDFLAGS -L$with_socks"
754 AC_CHECK_LIB(socks, Rconnect,,
755 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
757 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
758 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
762 ### use option --with-socks5=DIR to point at SOCKS library
764 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
766 if test "$with_socks5" != no
768 if test "$with_socks5" != yes
770 LDFLAGS="$LDFLAGS -L$with_socks5"
772 ac_savedLDFLAGS="$LDFLAGS"
773 LDFLAGS="$LDFLAGS $LDFLAGS"
774 AC_CHECK_LIB(socks5, SOCKSconnect,,
775 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
776 AC_DEFINE(HAVE_SOCKS)
777 CFLAGS="$CFLAGS -Dconnect=SOCKSconnect -Dgetsockname=SOCKSgetsockname -Dbind=SOCKSbind -Daccept=SOCKSaccept -Dlisten=SOCKSlisten -Dselect=SOCKSselect -Drecvfrom=SOCKSrecvfrom -Dsendto=SOCKSsendto -Drecv=SOCKSrecv -Dsend=SOCKSsend -Dread=SOCKSread -Dwrite=SOCKSwrite -Drresvport=SOCKSrresvport -Dshutdown=SOCKSshutdown -Dlisten=SOCKSlisten -Dclose=SOCKSclose -Ddup=SOCKSdup -Ddup2=SOCKSdup2 -Dgethostbyname=SOCKSgethostbyname"
778 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
779 LDFLAGS="$ac_savedLDFLAGS"
782 dnl for libesmtp/ modules:
783 ACX_WHICH_GETHOSTBYNAME_R
785 ### use option --with-hesiod=DIR to point at a HESIOD directory
786 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
788 ### use option --with-gssapi=DIR to compile in GSSAPI support
790 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
792 if test "$with_gssapi" != "no"
794 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
796 with_gssapi=$with_kerberos5
799 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
801 CFLAGS="$CFLAGS -I$with_gssapi/include"
802 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
805 dnl obtain gssapi default libs
806 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
807 LIBS="$LIBS `krb5-config --libs gssapi`"
809 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
813 if test "$with_gssapi" = yes ; then
816 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
818 # have roken.h, assume Heimdal
820 NetBSD) LIBS="$LIBS -lkrb5" ;;
821 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
823 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
824 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
827 # no roken.h, assume MIT
828 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
829 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
833 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
834 if test "$with_gssapi" != yes ; then
835 CPPFLAGS="$CPPFLAGS -I$with_gssapi/include"
837 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
838 if test "$ac_cv_header_gssapi_h" = "yes"; then
839 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
841 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
845 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
849 dnl comment-start: "dnl "
851 dnl comment-start-skip: "\\bdnl\\b\\s *"
852 dnl compile-command: "make configure config.h.in"