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],[6.3.17],[fetchmail-users@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" != :])
37 AC_PROG_CPP dnl Later checks need this.
40 AC_USE_SYSTEM_EXTENSIONS
43 dnl AC_ISC_POSIX: - XXX FIXME: remove in fetchmail 6.4.
44 dnl This macro adds `-lcposix' to output variable `LIBS' if necessary
45 dnl for Posix facilities. Sun dropped support for the obsolete
46 dnl INTERACTIVE Systems Corporation Unix on 2006-07-23. New programs
47 dnl need not use this macro. It is implemented as
48 dnl `AC_SEARCH_LIBS([strerror], [cposix])'
50 dnl check for b0rked Solaris (and other shells) and find one that works
51 AC_MSG_CHECKING(for a working shell...)
52 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
53 $i -c 'if ! false ; then echo $(echo ok) ; fi' >config.$$ 2>/dev/null
56 if test "x$j" = "xok" ; then
63 if test "x$SHELL" = "x" ; then
64 AC_MSG_ERROR(no SUS compliant shell found - on Solaris, install SUNWxcu4)
73 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
74 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
75 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h netdb.h \
76 sys/select.h sys/socket.h sys/time.h langinfo.h md5.h])
77 if test _$ac_cv_header_stdarg_h != _yes ; then
78 AC_MSG_WARN([stdarg.h is not defined. Unsupported configuration, proceed at your own risk.])
80 AC_CHECK_TYPE(u_int32_t,,
81 AC_DEFINE(u_int32_t,unsigned int,
82 [Define to unsigned int if <sys/types.h> does not define.]),
84 #ifdef HAVE_ARPA_NAMESER_H
85 #include <arpa/nameser.h>
87 AC_CHECK_HEADERS([resolv.h],,,[
88 #include <sys/types.h>
89 #ifdef HAVE_NETINET_IN_H
90 #include <netinet/in.h>
92 #ifdef HAVE_ARPA_NAMESER_H
93 #include <arpa/nameser.h>
97 AC_CHECK_DECLS([h_errno],,,[
104 AC_C_CONST dnl getopt needs this.
110 # Check for OS special cases
113 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
114 CPPFLAGS="$CPPFLAGS -DBIND_8_COMPAT"
116 # Check for FreeBSD special case: more libs needed
118 AC_MSG_NOTICE(found FreeBSD - Adding -lkvm -lcom_err to standard libraries)
119 LIBS="$LIBS -lkvm -lcom_err"
121 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
124 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
126 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
127 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
128 CPPFLAGS="$CPPFLAGS -I/usr/include"
130 # Check for Rhapsody special case: it doesn't like -s
132 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
133 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
140 AM_GNU_GETTEXT([external], [need-ngettext])
141 AM_GNU_GETTEXT_VERSION([0.14.6])
144 # Under sysV68, socket and friends are provided by the C library.
145 # -linet does not provide socket, but causes multiple definition
146 # errors at link-time. It is thus better to only use the C library.
147 # So don't add -linet to the link list unless it's necessary
148 AC_CHECK_FUNC(socket,
149 AC_MSG_RESULT(using libc's socket),
150 AC_CHECK_LIB(socket,socket)
151 AC_CHECK_LIB(inet,socket))
153 # The condition in this test copes with the presence of inet_addr in libc6.
154 AC_CHECK_FUNC(inet_addr,
155 AC_MSG_RESULT(using libc's inet_addr),
156 AC_CHECK_LIB(nsl,inet_addr))
158 dnl Port hack for Interactive UNIX System V/386 Release 3.2
159 AC_CHECK_LIB(cposix, strchr,
160 [DEFS="$DEFS -D_SYSV3"
161 LIBS="$LIBS -lcposix"])
163 dnl Port hack for Sparc/NetBSD-1.5
165 dnl NB: this has been disabled as it causes the unconditional
166 dnl addition of libintl to the build, which is both undesired
167 dnl and breaks on Solaris/Blastwave.org machines.
169 dnl AC_CHECK_LIB(intl, gettext,
170 dnl [LIBS="$LIBS -lintl"])
172 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
175 if test "$ac_cv_header_md5_h" != no ; then
176 AC_SEARCH_LIBS(MD5Init, [md], [have_md5=yes])
179 if test "$have_md5" != yes ; then
181 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"
184 AC_CHECK_FUNC(getopt_long, [],
185 [AC_LIBSOURCES([getopt.c, getopt1.c])
186 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
192 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
193 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
194 atexit inet_aton strftime setrlimit socketpair dnl
195 sigaction strdup setlocale)
197 AC_CHECK_DECLS([strerror,getenv])
198 dnl INET6 is used by KAME/getnameinfo
199 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
202 #ifdef HAVE_SYS_TYPES_H
203 #include <sys/types.h>
205 #ifdef HAVE_SYS_SOCKET_H
206 #include <sys/socket.h>
212 ac_cv_inet6=yes , ac_cv_inet6=no
214 if test "x$ac_cv_inet6" = xyes
216 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
219 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
220 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
221 # library. So don't add -lresolv to the link list unless it's necessary
222 # (It will be necessary when using GNU libc6).
224 for lib in '' -lresolv; do
225 if test -z "$lib"; then
226 AC_MSG_CHECKING([for res_search in libc])
228 AC_MSG_CHECKING([for res_search in $lib])
230 LIBS="$old_LIBS $lib"
231 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
232 #include <sys/types.h>
233 #ifdef HAVE_NETINET_IN_H
234 #include <netinet/in.h>
236 #ifdef HAVE_ARPA_NAMESER_H
237 #include <arpa/nameser.h>
242 extern int res_search();
243 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
244 [AC_MSG_RESULT([found])
245 AC_DEFINE(HAVE_RES_SEARCH, [1],
246 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
247 break], [AC_MSG_RESULT([not found])])
251 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
252 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
254 dnl Check for usable void pointer type
255 AC_MSG_CHECKING(use of void pointer type)
256 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
258 p = (char *) xmalloc(1);
259 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
261 dnl Check for ANSI volatile
264 dnl Check out the wait reality. We have to assume sys/wait.h is present.
265 AC_CHECK_FUNCS(waitpid wait3)
266 AC_MSG_CHECKING(for union wait);
267 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
268 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
270 /* Some POSIXoid systems have both the new-style macros and the old
271 union wait type, and they do not work together. If union wait
272 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
273 if (WEXITSTATUS (status) != 0) pid = -1;
276 /* Make sure union wait works with waitpid. */
277 pid = waitpid (-1, &status, 0);
279 ]])],[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)])
281 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
282 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
283 /* NetBSD declares sys_siglist in <unistd.h>. */
286 #endif]], [[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)])
288 # Find the right directory to put the root-mode PID file in
289 for dir in "/var/run" "/etc"
296 AC_MSG_RESULT(root-mode pid file will go in $dir)
297 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
300 [ --enable-pwmd enable Password Manager Daemon support],
303 if test "$enable_pwmd" = "yes"; then
304 PKG_CHECK_EXISTS([libpwmd], have_libpwmd=1,
305 AC_MSG_ERROR([Could not find libpwmd pkg-config module.]))
308 PKG_CHECK_MODULES([libpwmd], [libpwmd >= 6.0.0])
309 AM_CONDITIONAL(HAVE_LIBPWMD, true)
310 AC_DEFINE(HAVE_LIBPWMD, 1, [Define if you have libPWMD installed.])
312 AM_CONDITIONAL(HAVE_LIBPWMD, false)
315 # We may have a fallback MDA available in case the socket open to the
316 # local SMTP listener fails. Best to use procmail for this, as we know
317 # it won't try delivering through local SMTP and cause a mail loop.
318 # Sendmail without the -t option to use the message headers will work too,
319 # not just for sendmail itself but for workalikes like exim.
321 # Note1: A disadvantage of using procmail is that local alias expansion
322 # according to /etc/aliases won't get done if we fall back. This doesn't
323 # matter in single-drop mode.
325 # Note2: it would be a very bad idea to use any MDA that doesn't return
326 # a refuse-to-deliver status on disk- or process-table-full
327 # conditions; mail could get lost that way. Sendmail and all of the MDAs
328 # like exim that might be lurking under a sendmail alias) do the right
329 # thing in this circumstance. Matthias Andree warns that procmail does
332 # Note3: Defalt value of fallback is now off. Matthias writes:
334 # 1. there is no way to predict when the fallback is used. With some MTAs
335 # (such as those limiting load average), outer circumstances can cause
336 # the fallback to kick in.
338 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
339 # not only about alias expansion, .forwards to special filters won't
340 # work, mail may end up in a different place (users claim "mail loss"
343 # 3. The claim procmail did the right thing with its exit codes is plain
344 # wrong. I've seen procmail exit with code 1 when it should have exited
345 # with code 75, like, configuration errors. Procmail is a dangerous
346 # beast and is best replaced by maildrop.
348 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
349 # cannot tell which one it should choose. Say, your MTA is configured
350 # to use maildrop to deliver to user's mailboxes, if fetchmail then
351 # chooses procmail, this is plain wrong.
354 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
355 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
356 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
358 ### use option --disable-fallback to disable fallback MDA
359 ### use option --enable-fallback=procmail or
360 ### --enable-fallback=sendmail to select
361 AC_ARG_ENABLE(fallback,
362 [ --enable-fallback=procmail enable procmail as fallback
363 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
364 --enable-fallback=maildrop enable maildrop as fallback
365 --enable-fallback=no disable fallback],,[enable_fallback=no])
367 case "$enable_fallback" in
368 sendmail) if test -z "$sendmail" ; then
369 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
372 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
373 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
375 procmail) if test -z "$procmail" ; then
376 AC_MSG_ERROR([procmail selected as fallback, but not found])
379 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
380 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
382 maildrop) if test -z "$maildrop" ; then
383 AC_MSG_ERROR([maildrop selected as fallback, but not found])
386 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
387 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
389 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
391 auto|yes|set) if test -n "$sendmail" ; then
392 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
393 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
395 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
396 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
399 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
404 AC_CHECK_SIZEOF(short)
406 AC_CHECK_SIZEOF(long)
408 ### use option --enable-POP2 to compile in the POP2 support
410 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
411 [with_POP2=$enableval],
413 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
414 AM_CONDITIONAL(POP2_ENABLE, test "$with_POP2" = yes)
416 ### use option --disable-POP3 to omit the POP3 support
418 [ --disable-POP3 don't compile in POP3 protocol support],
419 [with_POP3=$enableval],
421 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
422 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
424 ### use option --disable-IMAP to omit the IMAP support
426 [ --disable-IMAP don't compile in IMAP protocol support],
427 [with_IMAP=$enableval],
429 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
430 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
432 ### use option --disable-ETRN to omit the ETRN support
434 [ --disable-ETRN don't compile in ETRN protocol support],
435 [with_ETRN=$enableval],
437 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
438 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
440 ### use option --disable-ODMR to omit the ODMR support
442 [ --disable-ODMR don't compile in ODMR protocol support],
443 [with_ODMR=$enableval],
445 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
446 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
448 ### use option --enable-RPA to compile in the RPA support
450 [ --enable-RPA compile in RPA protocol support],
451 [with_RPA=$enableval],
453 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
454 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
456 ### use option --enable-NTLM to compile in the NTLM support
458 [ --enable-NTLM compile in NTLM authentication support],
459 [with_NTLM=$enableval],
461 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
463 ### use option --enable-SDPS to compile in the SDPS support
465 [ --enable-SDPS compile in SDPS protocol support],
466 [with_SDPS=$enableval],
468 if test "$with_SDPS" = yes ; then
469 if test "$with_POP3" != yes ; then
470 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
473 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
476 if test "$with_POP3" != yes && test "$with_POP2" != yes \
477 && test "$with_IMAP" != yes ; then
478 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
483 ### use option --enable-opie to compile in the OPIE support
485 [ --enable-opie support OTP through the OPIE library],
486 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
487 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
488 with_opie=$enableval],
490 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
492 dnl Mostly stolen from gnulib's getaddrinfo.m4
493 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
494 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
496 #include <sys/types.h>
497 #ifdef HAVE_SYS_SOCKET_H
498 #include <sys/socket.h>
503 ], [getaddrinfo(0, 0, 0, 0);],
504 [ fm_cv_getaddrinfo=yes],
505 [ fm_cv_getaddrinfo=no ])
508 if test x"$fm_cv_getaddrinfo" = "xyes"; then
509 AC_DEFINE(HAVE_GETADDRINFO, 1,
510 [Define to 1 if you have the getaddrinfo function.])
513 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
515 #include <sys/types.h>
516 #ifdef HAVE_SYS_SOCKET_H
517 #include <sys/socket.h>
525 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
526 [ fm_cv_getnameinfo=yes],
527 [ fm_cv_getnameinfo=no ])
529 if test $fm_cv_getnameinfo = yes ; then
530 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
533 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
534 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
536 AC_CHECK_FUNCS(inet_ntop)
537 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
538 if test "$fm_cv_getaddrinfo" = yes ; then
539 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
541 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
543 darwin9*) gai_ts=yes ;;
544 linux*) gai_ts=yes ;;
545 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
546 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
548 AC_MSG_RESULT($gai_ts)
549 if test $gai_ts = yes ; then
550 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
554 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
556 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
557 # OpenSSL support (Debian's is)
558 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
559 # I don't know if this is 100% correct, but now at least IMAP and POP3
560 # behave the same way regarding kerberosV.
561 # * Build without any fuss for both kerberosIV and V at the same time.
562 # * Move all the kerberos header mess to kerberos.h, and #include that
563 # in driver.c and kerberos.c.
565 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
566 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
567 # the MIT reference implementation of KerberosV (all as packaged in Debian).
569 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
570 ### make sure --with-ssl is run before --with-kerberos* !
571 AC_ARG_WITH(kerberos5,
572 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
574 if test "$with_kerberos5" != "no"
576 # Check for a OpenBSD special case
577 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
579 AS_MESSAGE(checking kerberosV for OpenBSD...)
580 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
581 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
582 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
583 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
584 elif krb5-config 2> /dev/null >/dev/null ; then
585 krb5_prefix=`krb5-config --prefix krb5`
586 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
587 if test -f ${krb5_prefix}/include/et/com_err.h && \
588 ! test -f ${krb5_prefix}/include/com_err.h ; then
589 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
592 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
593 LIBS="$LIBS `krb5-config --libs krb5`"
594 AC_DEFINE(KERBEROS_V5)
596 if test "$with_kerberos5" != "yes"
598 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
599 searchdirs="$with_kerberos5"
601 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
604 for dir in $searchdirs
605 do AC_MSG_CHECKING([for Kerberos V in $dir])
606 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
608 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
610 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
612 ac_krblibs="-lasn1 -lroken -lcom_err"
613 AC_MSG_RESULT([Heimdal found])
614 dnl Attempt to detect if we need to -ldb2 to link Heimdal
615 dnl we assume we do if it is available
616 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
618 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
619 AC_CHECK_LIB(crypto, MD5_Init, [],
620 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
621 ${LDFLAGS} ${ac_krblibs}),
622 ${LDFLAGS} ${ac_krblibs})
625 AC_MSG_RESULT([found])
626 ac_krblibs="-lcom_err"
628 krb5_des_string_to_key,
629 libk5crypto=-lcrypto,
630 AC_CHECK_LIB(k5crypto,
631 krb5_des_string_to_key,
632 libk5crypto=-lk5crypto,
633 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
634 ${LDFLAGS} ${ac_krblibs}),
635 ${LDFLAGS} ${ac_krblibs})
637 AC_CHECK_LIB(krb5, krb5_init_context,[],
639 ${LDFLAGS} ${ac_krblibs})
640 AC_DEFINE(KERBEROS_V5)
641 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
642 LDFLAGS="$LDFLAGS -L$dir/lib"
643 LIBS="$LIBS $ac_krblibs $libk5crypto"
647 AC_MSG_RESULT([not found])
650 if test -z "$with_kerberos5" ; then
651 AC_MSG_ERROR([Kerberos 5 libraries not found])
655 ]) dnl --with-kerberos5=DIR
657 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
659 AC_ARG_WITH(kerberos,
660 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
662 if test "$with_kerberos" != "no"
664 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
665 # Check for a NetBSD/OpenBSD special case
666 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
668 AS_MESSAGE(checking kerberosIV for `uname`...)
670 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
672 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
673 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
675 elif krb4-config 2> /dev/null >/dev/null ; then
676 krb4_prefix=`krb4-config --prefix`
677 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
679 CFLAGS="$CFLAGS `krb4-config --cflags`"
680 LIBS="$LIBS `krb4-config --libs`"
682 elif krb5-config 2> /dev/null >/dev/null ; then
683 krb4_prefix=`krb5-config --prefix krb4`
684 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
685 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
686 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
689 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
690 LIBS="$LIBS `krb5-config --libs krb4`"
693 #we need to detect when we're building under a kerberosV compatibility
695 if test "$with_kerberos" != "yes" ; then
696 searchdirs="$with_kerberos"
698 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
701 ac_saveLDFLAGS="$LDFLAGS"
702 for dir in $searchdirs
704 AC_MSG_CHECKING([for Kerberos IV in $dir])
705 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
706 || test -f "$dir/include/kerberosIV/krb.h"
708 AC_MSG_RESULT([found])
710 AC_MSG_RESULT([not found])
714 if test -f "$with_kerberos5/roken.h" ; then
715 AC_CHECK_LIB(45, krb_mk_req)
717 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
718 if test `uname` = "FreeBSD"; then
719 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
721 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
723 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
725 if test -f "$dir/include/kerberosIV/krb.h" ; then
726 dir="$dir/include/kerberosIV"
731 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
732 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
733 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
736 if test -z "$with_kerberos" ; then
737 AC_MSG_ERROR([Kerberos 4 libraries not found])
739 LDFLAGS="$ac_saveLDFLAGS"
742 ]) dnl --with-kerberos=DIR
743 if test "$KERBEROS_V4" = 1 ; then
744 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
746 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
748 ### use option --with-ssl to compile in the SSL support
750 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
753 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
755 if test "$with_ssl" = "yes"
757 # User didn't specify an SSL location. Let's look at some common
758 # directories where SSL has been found in the past and try and auto
759 # configure for SSL. OpenSSL determination will be made later.
760 # This will screw up if an OpenSSL install is located in a later
761 # directory than an older SSLeay install, but the user should fix that
762 # anyways and he can override on the configure line.
763 # Just testing for directories is not sufficient, /usr exists on
775 if test -r "$ac_dir/include/openssl/ssl.h" ; then
782 if test -n "$with_ssl" -a "$with_ssl" != "no"
784 # With the autoconfigure above, the only time this is going to be
785 # true is going to be when we could not find the headers. If they
786 # are not in system standard locations, we are going to be broken.
787 if test "$with_ssl" = "yes"
789 # Let's just define the standard location for the SSLeay root
790 with_ssl="/usr/local/ssl"
792 if test -r $with_ssl/include/openssl/ssl.h
794 ### ssl.h found under openssl. Use openssl configuration preferentially,
795 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
796 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
797 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
798 ### force the Kerberos direcory onto the include path so it will build.
799 CFLAGS="$CFLAGS -I/usr/kerberos/include"
800 ### OpenBSD comes with ssl headers
802 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
804 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
805 LIBS="$LIBS -lssl -lcrypto"
806 dnl check if -ldl is needed
807 AC_MSG_CHECKING([for additional library dependencies of SSL])
810 for i in "" "-ldl" ; do
811 LIBS="$LDFLAGS $save_LIBS $i"
812 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],[SSL_library_init()])],[found=1; break])
814 if test $found = 0 ; then
815 AC_MSG_RESULT([error])
816 AC_MSG_ERROR([cannot link with SSL - check config.log])
819 if test "$i" = "" ; then i="(none)" ; fi
821 dnl XXX FIXME: use pkg-config if available!
822 AC_DEFINE(SSL_ENABLE)
824 AC_MSG_NOTICE(Disabling SSL support.)
827 ### use option --with-socks=DIR to point at SOCKS library
829 [ --with-socks[=DIR] add built-in SOCKS firewall access],
831 if test "$with_socks" != no
833 if test "$with_socks" != yes
835 LDFLAGS="$LDFLAGS -L$with_socks"
837 AC_CHECK_LIB(socks, Rconnect,,
838 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
840 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
841 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
845 ### use option --with-socks5=DIR to point at SOCKS library
847 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
849 if test "$with_socks5" != no
851 if test "$with_socks5" != yes
853 LDFLAGS="$LDFLAGS -L$with_socks5"
855 ac_savedLDFLAGS="$LDFLAGS"
856 LDFLAGS="$LDFLAGS $LDFLAGS"
857 AC_CHECK_LIB(socks5, SOCKSconnect,,
858 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
859 AC_DEFINE(HAVE_SOCKS)
860 CFLAGS="$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"
861 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
862 LDFLAGS="$ac_savedLDFLAGS"
865 dnl for libesmtp/ modules:
866 ACX_WHICH_GETHOSTBYNAME_R
868 ### use option --with-hesiod=DIR to point at a HESIOD directory
869 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
871 ### use option --with-gssapi=DIR to compile in GSSAPI support
873 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
875 if test "$with_gssapi" != "no"
877 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
879 with_gssapi=$with_kerberos5
882 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
884 CFLAGS="$CFLAGS -I$with_gssapi/include"
885 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
888 dnl obtain gssapi default libs
889 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
890 LIBS="$LIBS `krb5-config --libs gssapi`"
892 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
896 if test "$with_gssapi" = yes ; then
899 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
901 # have roken.h, assume Heimdal
903 NetBSD) LIBS="$LIBS -lkrb5" ;;
904 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
906 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
907 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
910 # no roken.h, assume MIT
911 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
912 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
916 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
917 if test "$with_gssapi" != yes ; then
918 CPPFLAGS="$CPPFLAGS -I$with_gssapi/include"
920 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
921 if test "$ac_cv_header_gssapi_h" = "yes"; then
922 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
924 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
928 dnl ,------------------------------------------------------------------
929 dnl Check if we need TRIO
931 if test "$FORCE_TRIO" = "yes" ; then
933 ac_cv_func_vsnprintf=no
934 ac_cv_func_snprintf=no
936 if test "x$ac_cv_func_snprintf" != "xyes" ; then
937 AC_DEFINE(snprintf, trio_snprintf,
938 [Define to trio_snprintf if your system lacks snprintf])
941 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
942 AC_DEFINE(vsnprintf, trio_vsnprintf,
943 [Define to trio_vsnprintf if your system lacks vsnprintf])
946 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
948 dnl TRIO IEEE compiler option for Alpha
950 if test "$needtrio" = 1 ; then
951 AC_MSG_CHECKING(for IEEE compilation options)
952 AC_CACHE_VAL(ac_cv_ieee_option, [
954 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
955 # error "Option needed"
957 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
959 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
960 # error "Option needed"
962 ],ac_cv_ieee_option="-ieee",
964 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
965 # error "Option needed"
967 ],ac_cv_ieee_option="-mieee",
968 ac_cv_ieee_option="none"
973 AC_MSG_RESULT($ac_cv_ieee_option)
974 if test $ac_cv_ieee_option != none; then
975 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
978 dnl ----------------------------------------------------------------'
980 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
984 dnl comment-start: "dnl "
986 dnl comment-start-skip: "\\bdnl\\b\\s *"
987 dnl compile-command: "make configure config.h.in"