1 dnl Autoconfigure input file for fetchmail
3 # Fetchmail automatic configuration support
5 # Eric S. Raymond <esr@thyrsus.com>
6 # 2004 - 2008 Matthias Andree <matthias.andree@gmx.de>
8 dnl Process this file with autoconf to produce a configure script.
11 AC_INIT([fetchmail],[6.3.9],[fetchmail-users@lists.berlios.de])
12 AC_CONFIG_SRCDIR([fetchmail.h])
13 AC_CONFIG_HEADERS([config.h])
14 AC_CONFIG_LIBOBJ_DIR([.])
18 dnl automake options are in Makefile.am
20 dnl 2.60 required for AC_USE_SYSTEM_EXTENSIONS
23 dnl autobuild support, see <http://josefsson.org/autobuild/>
30 dnl python is optional
32 # you can pass PYTHON=: in environment or on the command line
33 # to disable python detection and continue without building/installing
34 # fetchmail.conf -- be sure to check README.packaging, too!
36 AM_PATH_PYTHON(2.0,,AC_MSG_WARN([Disabling fetchmailconf: python 2.0 or greater not found]))
37 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
42 AC_PROG_CPP dnl Later checks need this.
45 AC_USE_SYSTEM_EXTENSIONS
48 dnl AC_ISC_POSIX: - XXX FIXME: remove in fetchmail 6.4.
49 dnl This macro adds `-lcposix' to output variable `LIBS' if necessary
50 dnl for Posix facilities. Sun dropped support for the obsolete
51 dnl INTERACTIVE Systems Corporation Unix on 2006-07-23. New programs
52 dnl need not use this macro. It is implemented as
53 dnl `AC_SEARCH_LIBS([strerror], [cposix])'
60 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
61 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
62 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h netdb.h \
63 sys/select.h sys/socket.h sys/time.h langinfo.h])
64 if test _$ac_cv_header_stdarg_h != _yes ; then
65 AC_MSG_WARN([stdarg.h is not defined. Unsupported configuration, proceed at your own risk.])
67 AC_CHECK_TYPE(u_int32_t,,
68 AC_DEFINE(u_int32_t,unsigned int,
69 [Define to unsigned int if <sys/types.h> does not define.]),
71 #ifdef HAVE_ARPA_NAMESER_H
72 #include <arpa/nameser.h>
74 AC_CHECK_HEADERS([resolv.h],,,[
75 #include <sys/types.h>
76 #ifdef HAVE_NETINET_IN_H
77 #include <netinet/in.h>
79 #ifdef HAVE_ARPA_NAMESER_H
80 #include <arpa/nameser.h>
84 AC_C_CONST dnl getopt needs this.
90 # Check for OS special cases
93 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
94 CPPFLAGS="$CPPFLAGS -DBIND_8_COMPAT"
96 # Check for FreeBSD special case: more libs needed
98 AC_MSG_NOTICE(found FreeBSD - Adding -lmd -lkvm -lcom_err to standard libraries)
99 LIBS="$LIBS -lmd -lkvm -lcom_err"
101 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
104 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
106 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
107 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
108 CPPFLAGS="$CPPFLAGS -I/usr/include"
110 # Check for Rhapsody special case: it doesn't like -s
112 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
113 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
118 AM_GNU_GETTEXT([external], [need-ngettext])
119 AM_GNU_GETTEXT_VERSION([0.14.6])
122 # Under sysV68, socket and friends are provided by the C library.
123 # -linet does not provide socket, but causes multiple definition
124 # errors at link-time. It is thus better to only use the C library.
125 # So don't add -linet to the link list unless it's necessary
126 AC_CHECK_FUNC(socket,
127 AC_MSG_RESULT(using libc's socket),
128 AC_CHECK_LIB(socket,socket)
129 AC_CHECK_LIB(inet,socket))
131 # The condition in this test copes with the presence of inet_addr in libc6.
132 AC_CHECK_FUNC(inet_addr,
133 AC_MSG_RESULT(using libc's inet_addr),
134 AC_CHECK_LIB(nsl,inet_addr))
136 dnl Port hack for Interactive UNIX System V/386 Release 3.2
137 AC_CHECK_LIB(cposix, strchr,
138 [DEFS="$DEFS -D_SYSV3"
139 LIBS="$LIBS -lcposix"])
141 dnl Port hack for Sparc/NetBSD-1.5
143 dnl NB: this has been disabled as it causes the unconditional
144 dnl addition of libintl to the build, which is both undesired
145 dnl and breaks on Solaris/Blastwave.org machines.
147 dnl AC_CHECK_LIB(intl, gettext,
148 dnl [LIBS="$LIBS -lintl"])
150 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
152 AC_CHECK_FUNC(MD5Init, [],
153 [AC_LIBSOURCE(md5c.c)
154 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
156 AC_CHECK_FUNC(getopt_long, [],
157 [AC_LIBSOURCES([getopt.c, getopt1.c])
158 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
164 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
165 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
166 atexit inet_aton strftime setrlimit socketpair dnl
167 sigaction strdup setlocale)
169 AC_CHECK_DECLS(strerror)
170 dnl INET6 is used by KAME/getnameinfo
171 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
174 #ifdef HAVE_SYS_TYPES_H
175 #include <sys/types.h>
177 #ifdef HAVE_SYS_SOCKET_H
178 #include <sys/socket.h>
184 ac_cv_inet6=yes , ac_cv_inet6=no
186 if test "x$ac_cv_inet6" = xyes
188 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
191 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
192 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
193 # library. So don't add -lresolv to the link list unless it's necessary
194 # (It will be necessary when using GNU libc6).
196 for lib in '' -lresolv; do
197 if test -z "$lib"; then
198 AC_MSG_CHECKING([for res_search in libc])
200 AC_MSG_CHECKING([for res_search in $lib])
202 LIBS="$old_LIBS $lib"
203 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
204 #include <sys/types.h>
205 #ifdef HAVE_NETINET_IN_H
206 #include <netinet/in.h>
208 #ifdef HAVE_ARPA_NAMESER_H
209 #include <arpa/nameser.h>
214 extern int res_search();
215 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
216 [AC_MSG_RESULT([found])
217 AC_DEFINE(HAVE_RES_SEARCH, [1],
218 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
219 break], [AC_MSG_RESULT([not found])])
223 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
224 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
226 dnl Check for RSA refersence library in case we're using SSL
227 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
229 dnl AC_FUNC_SETVBUF_REVERSED
231 dnl Check for usable void pointer type
232 AC_MSG_CHECKING(use of void pointer type)
233 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
235 p = (char *) xmalloc(1);
236 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
238 dnl Check for ANSI volatile
241 dnl Check out the wait reality. We have to assume sys/wait.h is present.
242 AC_CHECK_FUNCS(waitpid wait3)
243 AC_MSG_CHECKING(for union wait);
244 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
245 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
247 /* Some POSIXoid systems have both the new-style macros and the old
248 union wait type, and they do not work together. If union wait
249 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
250 if (WEXITSTATUS (status) != 0) pid = -1;
253 /* Make sure union wait works with waitpid. */
254 pid = waitpid (-1, &status, 0);
256 ]])],[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)])
258 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
259 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
260 /* NetBSD declares sys_siglist in <unistd.h>. */
263 #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)])
265 # Find the right directory to put the root-mode PID file in
266 for dir in "/var/run" "/etc"
273 AC_MSG_RESULT(root-mode pid file will go in $dir)
274 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
276 # We may have a fallback MDA available in case the socket open to the
277 # local SMTP listener fails. Best to use procmail for this, as we know
278 # it won't try delivering through local SMTP and cause a mail loop.
279 # Sendmail without the -t option to use the message headers will work too,
280 # not just for sendmail itself but for workalikes like exim.
282 # Note1: A disadvantage of using procmail is that local alias expansion
283 # according to /etc/aliases won't get done if we fall back. This doesn't
284 # matter in single-drop mode.
286 # Note2: it would be a very bad idea to use any MDA that doesn't return
287 # a refuse-to-deliver status on disk- or process-table-full
288 # conditions; mail could get lost that way. Sendmail and all of the MDAs
289 # like exim that might be lurking under a sendmail alias) do the right
290 # thing in this circumstance. Matthias Andree warns that procmail does
293 # Note3: Defalt value of fallback is now off. Matthias writes:
295 # 1. there is no way to predict when the fallback is used. With some MTAs
296 # (such as those limiting load average), outer circumstances can cause
297 # the fallback to kick in.
299 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
300 # not only about alias expansion, .forwards to special filters won't
301 # work, mail may end up in a different place (users claim "mail loss"
304 # 3. The claim procmail did the right thing with its exit codes is plain
305 # wrong. I've seen procmail exit with code 1 when it should have exited
306 # with code 75, like, configuration errors. Procmail is a dangerous
307 # beast and is best replaced by maildrop.
309 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
310 # cannot tell which one it should choose. Say, your MTA is configured
311 # to use maildrop to deliver to user's mailboxes, if fetchmail then
312 # chooses procmail, this is plain wrong.
315 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
316 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
317 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
319 ### use option --disable-fallback to disable fallback MDA
320 ### use option --enable-fallback=procmail or
321 ### --enable-fallback=sendmail to select
322 AC_ARG_ENABLE(fallback,
323 [ --enable-fallback=procmail enable procmail as fallback
324 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
325 --enable-fallback=maildrop enable maildrop as fallback
326 --enable-fallback=no disable fallback],,[enable_fallback=no])
328 case "$enable_fallback" in
329 sendmail) if test -z "$sendmail" ; then
330 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
333 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
334 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
336 procmail) if test -z "$procmail" ; then
337 AC_MSG_ERROR([procmail selected as fallback, but not found])
340 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
341 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
343 maildrop) if test -z "$maildrop" ; then
344 AC_MSG_ERROR([maildrop selected as fallback, but not found])
347 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
348 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
350 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
352 auto|yes|set) if test -n "$sendmail" ; then
353 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
354 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
356 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
357 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
360 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
365 AC_CHECK_SIZEOF(short)
367 AC_CHECK_SIZEOF(long)
369 ### use option --enable-POP2 to compile in the POP2 support
371 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
372 [with_POP2=$enableval],
374 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
375 AM_CONDITIONAL(POP2_ENABLE, test "$with_POP2" = yes)
377 ### use option --disable-POP3 to omit the POP3 support
379 [ --disable-POP3 don't compile in POP3 protocol support],
380 [with_POP3=$enableval],
382 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
383 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
385 ### use option --disable-IMAP to omit the IMAP support
387 [ --disable-IMAP don't compile in IMAP protocol support],
388 [with_IMAP=$enableval],
390 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
391 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
393 ### use option --disable-ETRN to omit the ETRN support
395 [ --disable-ETRN don't compile in ETRN protocol support],
396 [with_ETRN=$enableval],
398 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
399 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
401 ### use option --disable-ODMR to omit the ODMR support
403 [ --disable-ODMR don't compile in ODMR protocol support],
404 [with_ODMR=$enableval],
406 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
407 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
409 ### use option --enable-RPA to compile in the RPA support
411 [ --enable-RPA compile in RPA protocol support],
412 [with_RPA=$enableval],
414 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
415 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
417 ### use option --enable-NTLM to compile in the NTLM support
419 [ --enable-NTLM compile in NTLM authentication support],
420 [with_NTLM=$enableval],
422 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
424 ### use option --enable-SDPS to compile in the SDPS support
426 [ --enable-SDPS compile in SDPS protocol support],
427 [with_SDPS=$enableval],
429 if test "$with_SDPS" = yes ; then
430 if test "$with_POP3" != yes ; then
431 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
434 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
437 if test "$with_POP3" != yes && test "$with_POP2" != yes \
438 && test "$with_IMAP" != yes ; then
439 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
442 ### use option --enable-opie to compile in the OPIE support
444 [ --enable-opie support OTP through the OPIE library],
445 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
446 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
447 with_opie=$enableval],
449 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
451 dnl Mostly stolen from gnulib's getaddrinfo.m4
452 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
453 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
455 #include <sys/types.h>
456 #ifdef HAVE_SYS_SOCKET_H
457 #include <sys/socket.h>
462 ], [getaddrinfo(0, 0, 0, 0);],
463 [ fm_cv_getaddrinfo=yes],
464 [ fm_cv_getaddrinfo=no ])
467 if test x"$fm_cv_getaddrinfo" = "xyes"; then
468 AC_DEFINE(HAVE_GETADDRINFO, 1,
469 [Define to 1 if you have the getaddrinfo function.])
472 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
474 #include <sys/types.h>
475 #ifdef HAVE_SYS_SOCKET_H
476 #include <sys/socket.h>
482 #define NULL ((void *)0)
484 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
485 [ fm_cv_getnameinfo=yes],
486 [ fm_cv_getnameinfo=no ])
488 if test $fm_cv_getnameinfo = yes ; then
489 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
492 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
493 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
495 AC_CHECK_FUNCS(inet_ntop)
496 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
497 if test "$fm_cv_getaddrinfo" = yes ; then
498 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
500 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
502 darwin9*) gai_ts=yes ;;
503 linux*) gai_ts=yes ;;
504 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
505 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
507 AC_MSG_RESULT($gai_ts)
508 if test $gai_ts = yes ; then
509 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
513 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
515 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
516 # OpenSSL support (Debian's is)
517 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
518 # I don't know if this is 100% correct, but now at least IMAP and POP3
519 # behave the same way regarding kerberosV.
520 # * Build without any fuss for both kerberosIV and V at the same time.
521 # * Move all the kerberos header mess to kerberos.h, and #include that
522 # in driver.c and kerberos.c.
524 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
525 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
526 # the MIT reference implementation of KerberosV (all as packaged in Debian).
528 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
529 ### make sure --with-ssl is run before --with-kerberos* !
530 AC_ARG_WITH(kerberos5,
531 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
533 if test "$with_kerberos5" != "no"
535 # Check for a OpenBSD special case
536 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
538 AS_MESSAGE(checking kerberosV for OpenBSD...)
539 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
540 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
541 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
542 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
543 elif krb5-config 2> /dev/null >/dev/null ; then
544 krb5_prefix=`krb5-config --prefix krb5`
545 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
546 if test -f ${krb5_prefix}/include/et/com_err.h && \
547 ! test -f ${krb5_prefix}/include/com_err.h ; then
548 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
551 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
552 LIBS="$LIBS `krb5-config --libs krb5`"
553 AC_DEFINE(KERBEROS_V5)
555 if test "$with_kerberos5" != "yes"
557 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
558 searchdirs="$with_kerberos5"
560 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
563 for dir in $searchdirs
564 do AC_MSG_CHECKING([for Kerberos V in $dir])
565 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
567 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
569 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
571 ac_krblibs="-lasn1 -lroken -lcom_err"
572 AC_MSG_RESULT([Heimdal found])
573 dnl Attempt to detect if we need to -ldb2 to link Heimdal
574 dnl we assume we do if it is available
575 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
577 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
578 AC_CHECK_LIB(ssl, MD5_Init, [],
579 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
580 ${LDFLAGS} ${ac_krblibs}),
581 ${LDFLAGS} ${ac_krblibs})
584 AC_MSG_RESULT([found])
585 ac_krblibs="-lcom_err"
587 krb5_des_string_to_key,
588 libk5crypto=-lcrypto,
589 AC_CHECK_LIB(k5crypto,
590 krb5_des_string_to_key,
591 libk5crypto=-lk5crypto,
592 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
593 ${LDFLAGS} ${ac_krblibs}),
594 ${LDFLAGS} ${ac_krblibs})
596 AC_CHECK_LIB(krb5, krb5_init_context,[],
598 ${LDFLAGS} ${ac_krblibs})
599 AC_DEFINE(KERBEROS_V5)
600 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
601 LDFLAGS="$LDFLAGS -L$dir/lib"
602 LIBS="$LIBS $ac_krblibs $libk5crypto"
606 AC_MSG_RESULT([not found])
609 if test -z "$with_kerberos5" ; then
610 AC_MSG_ERROR([Kerberos 5 libraries not found])
614 ]) dnl --with-kerberos5=DIR
616 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
618 AC_ARG_WITH(kerberos,
619 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
621 if test "$with_kerberos" != "no"
623 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
624 # Check for a NetBSD/OpenBSD special case
625 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
627 AS_MESSAGE(checking kerberosIV for `uname`...)
629 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
631 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
632 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
634 elif krb4-config 2> /dev/null >/dev/null ; then
635 krb4_prefix=`krb4-config --prefix`
636 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
638 CFLAGS="$CFLAGS `krb4-config --cflags`"
639 LIBS="$LIBS `krb4-config --libs`"
641 elif krb5-config 2> /dev/null >/dev/null ; then
642 krb4_prefix=`krb5-config --prefix krb4`
643 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
644 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
645 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
648 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
649 LIBS="$LIBS `krb5-config --libs krb4`"
652 #we need to detect when we're building under a kerberosV compatibility
654 if test "$with_kerberos" != "yes" ; then
655 searchdirs="$with_kerberos"
657 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
660 ac_saveLDFLAGS="$LDFLAGS"
661 for dir in $searchdirs
663 AC_MSG_CHECKING([for Kerberos IV in $dir])
664 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
665 || test -f "$dir/include/kerberosIV/krb.h"
667 AC_MSG_RESULT([found])
669 AC_MSG_RESULT([not found])
673 if test -f "$with_kerberos5/roken.h" ; then
674 AC_CHECK_LIB(45, krb_mk_req)
676 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
677 if test `uname` = "FreeBSD"; then
678 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
680 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
682 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
684 if test -f "$dir/include/kerberosIV/krb.h" ; then
685 dir="$dir/include/kerberosIV"
690 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
691 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
692 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
695 if test -z "$with_kerberos" ; then
696 AC_MSG_ERROR([Kerberos 4 libraries not found])
698 LDFLAGS="$ac_saveLDFLAGS"
701 ]) dnl --with-kerberos=DIR
702 if test "$KERBEROS_V4" = 1 ; then
703 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
705 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
707 ### use option --with-ssl to compile in the SSL support
709 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
712 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
714 if test "$with_ssl" = "yes"
716 # User didn't specify an SSL location. Let's look at some common
717 # directories where SSL has been found in the past and try and auto
718 # configure for SSL. OpenSSL determination will be made later.
719 # This will screw up if an OpenSSL install is located in a later
720 # directory than an older SSLeay install, but the user should fix that
721 # anyways and he can override on the configure line.
722 # Just testing for directories is not sufficient, /usr exists on
734 if test -r "$ac_dir/include/openssl/ssl.h" ; then
741 if test -n "$with_ssl" -a "$with_ssl" != "no"
743 # With the autoconfigure above, the only time this is going to be
744 # true is going to be when we could not find the headers. If they
745 # are not in system standard locations, we are going to be broken.
746 if test "$with_ssl" = "yes"
748 # Let's just define the standard location for the SSLeay root
749 with_ssl="/usr/local/ssl"
751 if test -r $with_ssl/include/openssl/ssl.h
753 ### ssl.h found under openssl. Use openssl configuration preferentially,
754 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
755 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
756 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
757 ### force the Kerberos direcory onto the include path so it will build.
758 CFLAGS="$CFLAGS -I/usr/kerberos/include"
759 ### OpenBSD comes with ssl headers
761 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
763 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
764 LIBS="$LIBS -lssl -lcrypto"
765 dnl check if -ldl is needed
766 AC_MSG_CHECKING([for additional library dependencies of SSL])
769 for i in "" "-ldl" ; do
770 LIBS="$LDFLAGS $save_LIBS $i"
771 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],[found=1; break])
773 if test $found = 0 ; then
774 AC_MSG_RESULT([error])
775 AC_MSG_ERROR([cannot link with SSL - check config.log])
778 if test "$i" = "" ; then i="(none)" ; fi
780 dnl XXX FIXME: use pkg-config if available!
781 AC_DEFINE(SSL_ENABLE)
783 AC_MSG_NOTICE(Disabling SSL support.)
786 ### use option --with-socks=DIR to point at SOCKS library
788 [ --with-socks[=DIR] add built-in SOCKS firewall access],
790 if test "$with_socks" != no
792 if test "$with_socks" != yes
794 LDFLAGS="$LDFLAGS -L$with_socks"
796 AC_CHECK_LIB(socks, Rconnect,,
797 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
799 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
800 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
804 ### use option --with-socks5=DIR to point at SOCKS library
806 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
808 if test "$with_socks5" != no
810 if test "$with_socks5" != yes
812 LDFLAGS="$LDFLAGS -L$with_socks5"
814 ac_savedLDFLAGS="$LDFLAGS"
815 LDFLAGS="$LDFLAGS $LDFLAGS"
816 AC_CHECK_LIB(socks5, SOCKSconnect,,
817 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
818 AC_DEFINE(HAVE_SOCKS)
819 CFLAGS="$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"
820 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
821 LDFLAGS="$ac_savedLDFLAGS"
824 ACX_WHICH_GETHOSTBYNAME_R
826 ### use option --with-hesiod=DIR to point at a HESIOD directory
827 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
829 ### use option --with-gssapi=DIR to compile in GSSAPI support
831 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
833 if test "$with_gssapi" != "no"
835 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
837 with_gssapi=$with_kerberos5
840 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
842 CFLAGS="$CFLAGS -I$with_gssapi/include"
843 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
846 dnl obtain gssapi default libs
847 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
848 LIBS="$LIBS `krb5-config --libs gssapi`"
850 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
854 if test "$with_gssapi" = yes ; then
857 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
859 # have roken.h, assume Heimdal
861 NetBSD) LIBS="$LIBS -lkrb5" ;;
862 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
864 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
865 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
868 # no roken.h, assume MIT
869 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
870 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
874 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
875 if test "$with_gssapi" != yes ; then
876 CPPFLAGS="$CPPFLAGS-I$with_gssapi/include"
878 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
879 if test "$ac_cv_header_gssapi_h" = "yes"; then
880 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
882 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
886 dnl ,------------------------------------------------------------------
887 dnl Check if we need TRIO
889 if test "$FORCE_TRIO" = "yes" ; then
891 ac_cv_func_vsnprintf=no
892 ac_cv_func_snprintf=no
894 if test "x$ac_cv_func_snprintf" != "xyes" ; then
895 AC_DEFINE(snprintf, trio_snprintf,
896 [Define to trio_snprintf if your system lacks snprintf])
899 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
900 AC_DEFINE(vsnprintf, trio_vsnprintf,
901 [Define to trio_vsnprintf if your system lacks vsnprintf])
904 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
906 dnl TRIO IEEE compiler option for Alpha
908 if test "$needtrio" = 1 ; then
909 AC_MSG_CHECKING(for IEEE compilation options)
910 AC_CACHE_VAL(ac_cv_ieee_option, [
912 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
913 # error "Option needed"
915 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
917 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
918 # error "Option needed"
920 ],ac_cv_ieee_option="-ieee",
922 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
923 # error "Option needed"
925 ],ac_cv_ieee_option="-mieee",
926 ac_cv_ieee_option="none"
931 AC_MSG_RESULT($ac_cv_ieee_option)
932 if test $ac_cv_ieee_option != none; then
933 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
936 dnl ----------------------------------------------------------------'
938 AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in genlsm.sh])
942 dnl comment-start: "dnl "
944 dnl comment-start-skip: "\\bdnl\\b\\s *"
945 dnl compile-command: "make configure config.h.in"