1 dnl Autoconfigure input file for fetchmail
3 # Fetchmail automatic configuration support
5 # Eric S. Raymond <esr@thyrsus.com>
6 # 2004 - 2009 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],[6.3.11],[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 "$PYTHON" != :])
36 AC_PROG_CPP dnl Later checks need this.
39 AC_USE_SYSTEM_EXTENSIONS
42 dnl AC_ISC_POSIX: - XXX FIXME: remove in fetchmail 6.4.
43 dnl This macro adds `-lcposix' to output variable `LIBS' if necessary
44 dnl for Posix facilities. Sun dropped support for the obsolete
45 dnl INTERACTIVE Systems Corporation Unix on 2006-07-23. New programs
46 dnl need not use this macro. It is implemented as
47 dnl `AC_SEARCH_LIBS([strerror], [cposix])'
54 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
55 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
56 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h netdb.h \
57 sys/select.h sys/socket.h sys/time.h langinfo.h])
58 if test _$ac_cv_header_stdarg_h != _yes ; then
59 AC_MSG_WARN([stdarg.h is not defined. Unsupported configuration, proceed at your own risk.])
61 AC_CHECK_TYPE(u_int32_t,,
62 AC_DEFINE(u_int32_t,unsigned int,
63 [Define to unsigned int if <sys/types.h> does not define.]),
65 #ifdef HAVE_ARPA_NAMESER_H
66 #include <arpa/nameser.h>
68 AC_CHECK_HEADERS([resolv.h],,,[
69 #include <sys/types.h>
70 #ifdef HAVE_NETINET_IN_H
71 #include <netinet/in.h>
73 #ifdef HAVE_ARPA_NAMESER_H
74 #include <arpa/nameser.h>
78 AC_C_CONST dnl getopt needs this.
84 # Check for OS special cases
87 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
88 CPPFLAGS="$CPPFLAGS -DBIND_8_COMPAT"
90 # Check for FreeBSD special case: more libs needed
92 AC_MSG_NOTICE(found FreeBSD - Adding -lmd -lkvm -lcom_err to standard libraries)
93 LIBS="$LIBS -lmd -lkvm -lcom_err"
95 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
98 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
100 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
101 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
102 CPPFLAGS="$CPPFLAGS -I/usr/include"
104 # Check for Rhapsody special case: it doesn't like -s
106 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
107 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
114 AM_GNU_GETTEXT([external], [need-ngettext])
115 AM_GNU_GETTEXT_VERSION([0.14.6])
118 # Under sysV68, socket and friends are provided by the C library.
119 # -linet does not provide socket, but causes multiple definition
120 # errors at link-time. It is thus better to only use the C library.
121 # So don't add -linet to the link list unless it's necessary
122 AC_CHECK_FUNC(socket,
123 AC_MSG_RESULT(using libc's socket),
124 AC_CHECK_LIB(socket,socket)
125 AC_CHECK_LIB(inet,socket))
127 # The condition in this test copes with the presence of inet_addr in libc6.
128 AC_CHECK_FUNC(inet_addr,
129 AC_MSG_RESULT(using libc's inet_addr),
130 AC_CHECK_LIB(nsl,inet_addr))
132 dnl Port hack for Interactive UNIX System V/386 Release 3.2
133 AC_CHECK_LIB(cposix, strchr,
134 [DEFS="$DEFS -D_SYSV3"
135 LIBS="$LIBS -lcposix"])
137 dnl Port hack for Sparc/NetBSD-1.5
139 dnl NB: this has been disabled as it causes the unconditional
140 dnl addition of libintl to the build, which is both undesired
141 dnl and breaks on Solaris/Blastwave.org machines.
143 dnl AC_CHECK_LIB(intl, gettext,
144 dnl [LIBS="$LIBS -lintl"])
146 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
148 AC_CHECK_FUNC(MD5Init, [],
149 [AC_LIBSOURCE(md5c.c)
150 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
152 AC_CHECK_FUNC(getopt_long, [],
153 [AC_LIBSOURCES([getopt.c, getopt1.c])
154 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
160 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
161 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
162 atexit inet_aton strftime setrlimit socketpair dnl
163 sigaction strdup setlocale)
165 AC_CHECK_DECLS(strerror)
166 dnl INET6 is used by KAME/getnameinfo
167 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
170 #ifdef HAVE_SYS_TYPES_H
171 #include <sys/types.h>
173 #ifdef HAVE_SYS_SOCKET_H
174 #include <sys/socket.h>
180 ac_cv_inet6=yes , ac_cv_inet6=no
182 if test "x$ac_cv_inet6" = xyes
184 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
187 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
188 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
189 # library. So don't add -lresolv to the link list unless it's necessary
190 # (It will be necessary when using GNU libc6).
192 for lib in '' -lresolv; do
193 if test -z "$lib"; then
194 AC_MSG_CHECKING([for res_search in libc])
196 AC_MSG_CHECKING([for res_search in $lib])
198 LIBS="$old_LIBS $lib"
199 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
200 #include <sys/types.h>
201 #ifdef HAVE_NETINET_IN_H
202 #include <netinet/in.h>
204 #ifdef HAVE_ARPA_NAMESER_H
205 #include <arpa/nameser.h>
210 extern int res_search();
211 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
212 [AC_MSG_RESULT([found])
213 AC_DEFINE(HAVE_RES_SEARCH, [1],
214 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
215 break], [AC_MSG_RESULT([not found])])
219 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
220 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
222 dnl Check for RSA refersence library in case we're using SSL
223 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
225 dnl AC_FUNC_SETVBUF_REVERSED
227 dnl Check for usable void pointer type
228 AC_MSG_CHECKING(use of void pointer type)
229 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
231 p = (char *) xmalloc(1);
232 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
234 dnl Check for ANSI volatile
237 dnl Check out the wait reality. We have to assume sys/wait.h is present.
238 AC_CHECK_FUNCS(waitpid wait3)
239 AC_MSG_CHECKING(for union wait);
240 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
241 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
243 /* Some POSIXoid systems have both the new-style macros and the old
244 union wait type, and they do not work together. If union wait
245 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
246 if (WEXITSTATUS (status) != 0) pid = -1;
249 /* Make sure union wait works with waitpid. */
250 pid = waitpid (-1, &status, 0);
252 ]])],[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)])
254 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
255 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
256 /* NetBSD declares sys_siglist in <unistd.h>. */
259 #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)])
261 # Find the right directory to put the root-mode PID file in
262 for dir in "/var/run" "/etc"
269 AC_MSG_RESULT(root-mode pid file will go in $dir)
270 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
272 # We may have a fallback MDA available in case the socket open to the
273 # local SMTP listener fails. Best to use procmail for this, as we know
274 # it won't try delivering through local SMTP and cause a mail loop.
275 # Sendmail without the -t option to use the message headers will work too,
276 # not just for sendmail itself but for workalikes like exim.
278 # Note1: A disadvantage of using procmail is that local alias expansion
279 # according to /etc/aliases won't get done if we fall back. This doesn't
280 # matter in single-drop mode.
282 # Note2: it would be a very bad idea to use any MDA that doesn't return
283 # a refuse-to-deliver status on disk- or process-table-full
284 # conditions; mail could get lost that way. Sendmail and all of the MDAs
285 # like exim that might be lurking under a sendmail alias) do the right
286 # thing in this circumstance. Matthias Andree warns that procmail does
289 # Note3: Defalt value of fallback is now off. Matthias writes:
291 # 1. there is no way to predict when the fallback is used. With some MTAs
292 # (such as those limiting load average), outer circumstances can cause
293 # the fallback to kick in.
295 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
296 # not only about alias expansion, .forwards to special filters won't
297 # work, mail may end up in a different place (users claim "mail loss"
300 # 3. The claim procmail did the right thing with its exit codes is plain
301 # wrong. I've seen procmail exit with code 1 when it should have exited
302 # with code 75, like, configuration errors. Procmail is a dangerous
303 # beast and is best replaced by maildrop.
305 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
306 # cannot tell which one it should choose. Say, your MTA is configured
307 # to use maildrop to deliver to user's mailboxes, if fetchmail then
308 # chooses procmail, this is plain wrong.
311 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
312 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
313 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
315 ### use option --disable-fallback to disable fallback MDA
316 ### use option --enable-fallback=procmail or
317 ### --enable-fallback=sendmail to select
318 AC_ARG_ENABLE(fallback,
319 [ --enable-fallback=procmail enable procmail as fallback
320 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
321 --enable-fallback=maildrop enable maildrop as fallback
322 --enable-fallback=no disable fallback],,[enable_fallback=no])
324 case "$enable_fallback" in
325 sendmail) if test -z "$sendmail" ; then
326 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
329 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
330 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
332 procmail) if test -z "$procmail" ; then
333 AC_MSG_ERROR([procmail selected as fallback, but not found])
336 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
337 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
339 maildrop) if test -z "$maildrop" ; then
340 AC_MSG_ERROR([maildrop selected as fallback, but not found])
343 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
344 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
346 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
348 auto|yes|set) if test -n "$sendmail" ; then
349 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
350 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
352 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
353 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
356 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
361 AC_CHECK_SIZEOF(short)
363 AC_CHECK_SIZEOF(long)
365 ### use option --enable-POP2 to compile in the POP2 support
367 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
368 [with_POP2=$enableval],
370 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
371 AM_CONDITIONAL(POP2_ENABLE, test "$with_POP2" = yes)
373 ### use option --disable-POP3 to omit the POP3 support
375 [ --disable-POP3 don't compile in POP3 protocol support],
376 [with_POP3=$enableval],
378 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
379 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
381 ### use option --disable-IMAP to omit the IMAP support
383 [ --disable-IMAP don't compile in IMAP protocol support],
384 [with_IMAP=$enableval],
386 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
387 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
389 ### use option --disable-ETRN to omit the ETRN support
391 [ --disable-ETRN don't compile in ETRN protocol support],
392 [with_ETRN=$enableval],
394 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
395 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
397 ### use option --disable-ODMR to omit the ODMR support
399 [ --disable-ODMR don't compile in ODMR protocol support],
400 [with_ODMR=$enableval],
402 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
403 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
405 ### use option --enable-RPA to compile in the RPA support
407 [ --enable-RPA compile in RPA protocol support],
408 [with_RPA=$enableval],
410 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
411 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
413 ### use option --enable-NTLM to compile in the NTLM support
415 [ --enable-NTLM compile in NTLM authentication support],
416 [with_NTLM=$enableval],
418 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
420 ### use option --enable-SDPS to compile in the SDPS support
422 [ --enable-SDPS compile in SDPS protocol support],
423 [with_SDPS=$enableval],
425 if test "$with_SDPS" = yes ; then
426 if test "$with_POP3" != yes ; then
427 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
430 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
433 if test "$with_POP3" != yes && test "$with_POP2" != yes \
434 && test "$with_IMAP" != yes ; then
435 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
440 ### use option --enable-opie to compile in the OPIE support
442 [ --enable-opie support OTP through the OPIE library],
443 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
444 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
445 with_opie=$enableval],
447 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
449 dnl Mostly stolen from gnulib's getaddrinfo.m4
450 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
451 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
453 #include <sys/types.h>
454 #ifdef HAVE_SYS_SOCKET_H
455 #include <sys/socket.h>
460 ], [getaddrinfo(0, 0, 0, 0);],
461 [ fm_cv_getaddrinfo=yes],
462 [ fm_cv_getaddrinfo=no ])
465 if test x"$fm_cv_getaddrinfo" = "xyes"; then
466 AC_DEFINE(HAVE_GETADDRINFO, 1,
467 [Define to 1 if you have the getaddrinfo function.])
470 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
472 #include <sys/types.h>
473 #ifdef HAVE_SYS_SOCKET_H
474 #include <sys/socket.h>
480 #define NULL ((void *)0)
482 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
483 [ fm_cv_getnameinfo=yes],
484 [ fm_cv_getnameinfo=no ])
486 if test $fm_cv_getnameinfo = yes ; then
487 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
490 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
491 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
493 AC_CHECK_FUNCS(inet_ntop)
494 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
495 if test "$fm_cv_getaddrinfo" = yes ; then
496 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
498 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
500 darwin9*) gai_ts=yes ;;
501 linux*) gai_ts=yes ;;
502 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
503 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
505 AC_MSG_RESULT($gai_ts)
506 if test $gai_ts = yes ; then
507 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
511 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
513 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
514 # OpenSSL support (Debian's is)
515 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
516 # I don't know if this is 100% correct, but now at least IMAP and POP3
517 # behave the same way regarding kerberosV.
518 # * Build without any fuss for both kerberosIV and V at the same time.
519 # * Move all the kerberos header mess to kerberos.h, and #include that
520 # in driver.c and kerberos.c.
522 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
523 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
524 # the MIT reference implementation of KerberosV (all as packaged in Debian).
526 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
527 ### make sure --with-ssl is run before --with-kerberos* !
528 AC_ARG_WITH(kerberos5,
529 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
531 if test "$with_kerberos5" != "no"
533 # Check for a OpenBSD special case
534 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
536 AS_MESSAGE(checking kerberosV for OpenBSD...)
537 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
538 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
539 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
540 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
541 elif krb5-config 2> /dev/null >/dev/null ; then
542 krb5_prefix=`krb5-config --prefix krb5`
543 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
544 if test -f ${krb5_prefix}/include/et/com_err.h && \
545 ! test -f ${krb5_prefix}/include/com_err.h ; then
546 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
549 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
550 LIBS="$LIBS `krb5-config --libs krb5`"
551 AC_DEFINE(KERBEROS_V5)
553 if test "$with_kerberos5" != "yes"
555 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
556 searchdirs="$with_kerberos5"
558 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
561 for dir in $searchdirs
562 do AC_MSG_CHECKING([for Kerberos V in $dir])
563 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
565 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
567 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
569 ac_krblibs="-lasn1 -lroken -lcom_err"
570 AC_MSG_RESULT([Heimdal found])
571 dnl Attempt to detect if we need to -ldb2 to link Heimdal
572 dnl we assume we do if it is available
573 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
575 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
576 AC_CHECK_LIB(crypto, MD5_Init, [],
577 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
578 ${LDFLAGS} ${ac_krblibs}),
579 ${LDFLAGS} ${ac_krblibs})
582 AC_MSG_RESULT([found])
583 ac_krblibs="-lcom_err"
585 krb5_des_string_to_key,
586 libk5crypto=-lcrypto,
587 AC_CHECK_LIB(k5crypto,
588 krb5_des_string_to_key,
589 libk5crypto=-lk5crypto,
590 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
591 ${LDFLAGS} ${ac_krblibs}),
592 ${LDFLAGS} ${ac_krblibs})
594 AC_CHECK_LIB(krb5, krb5_init_context,[],
596 ${LDFLAGS} ${ac_krblibs})
597 AC_DEFINE(KERBEROS_V5)
598 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
599 LDFLAGS="$LDFLAGS -L$dir/lib"
600 LIBS="$LIBS $ac_krblibs $libk5crypto"
604 AC_MSG_RESULT([not found])
607 if test -z "$with_kerberos5" ; then
608 AC_MSG_ERROR([Kerberos 5 libraries not found])
612 ]) dnl --with-kerberos5=DIR
614 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
616 AC_ARG_WITH(kerberos,
617 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
619 if test "$with_kerberos" != "no"
621 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
622 # Check for a NetBSD/OpenBSD special case
623 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
625 AS_MESSAGE(checking kerberosIV for `uname`...)
627 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
629 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
630 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
632 elif krb4-config 2> /dev/null >/dev/null ; then
633 krb4_prefix=`krb4-config --prefix`
634 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
636 CFLAGS="$CFLAGS `krb4-config --cflags`"
637 LIBS="$LIBS `krb4-config --libs`"
639 elif krb5-config 2> /dev/null >/dev/null ; then
640 krb4_prefix=`krb5-config --prefix krb4`
641 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
642 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
643 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
646 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
647 LIBS="$LIBS `krb5-config --libs krb4`"
650 #we need to detect when we're building under a kerberosV compatibility
652 if test "$with_kerberos" != "yes" ; then
653 searchdirs="$with_kerberos"
655 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
658 ac_saveLDFLAGS="$LDFLAGS"
659 for dir in $searchdirs
661 AC_MSG_CHECKING([for Kerberos IV in $dir])
662 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
663 || test -f "$dir/include/kerberosIV/krb.h"
665 AC_MSG_RESULT([found])
667 AC_MSG_RESULT([not found])
671 if test -f "$with_kerberos5/roken.h" ; then
672 AC_CHECK_LIB(45, krb_mk_req)
674 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
675 if test `uname` = "FreeBSD"; then
676 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
678 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
680 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
682 if test -f "$dir/include/kerberosIV/krb.h" ; then
683 dir="$dir/include/kerberosIV"
688 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
689 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
690 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
693 if test -z "$with_kerberos" ; then
694 AC_MSG_ERROR([Kerberos 4 libraries not found])
696 LDFLAGS="$ac_saveLDFLAGS"
699 ]) dnl --with-kerberos=DIR
700 if test "$KERBEROS_V4" = 1 ; then
701 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
703 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
705 ### use option --with-ssl to compile in the SSL support
707 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
710 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
712 if test "$with_ssl" = "yes"
714 # User didn't specify an SSL location. Let's look at some common
715 # directories where SSL has been found in the past and try and auto
716 # configure for SSL. OpenSSL determination will be made later.
717 # This will screw up if an OpenSSL install is located in a later
718 # directory than an older SSLeay install, but the user should fix that
719 # anyways and he can override on the configure line.
720 # Just testing for directories is not sufficient, /usr exists on
732 if test -r "$ac_dir/include/openssl/ssl.h" ; then
739 if test -n "$with_ssl" -a "$with_ssl" != "no"
741 # With the autoconfigure above, the only time this is going to be
742 # true is going to be when we could not find the headers. If they
743 # are not in system standard locations, we are going to be broken.
744 if test "$with_ssl" = "yes"
746 # Let's just define the standard location for the SSLeay root
747 with_ssl="/usr/local/ssl"
749 if test -r $with_ssl/include/openssl/ssl.h
751 ### ssl.h found under openssl. Use openssl configuration preferentially,
752 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
753 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
754 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
755 ### force the Kerberos direcory onto the include path so it will build.
756 CFLAGS="$CFLAGS -I/usr/kerberos/include"
757 ### OpenBSD comes with ssl headers
759 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
761 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
762 LIBS="$LIBS -lssl -lcrypto"
763 dnl check if -ldl is needed
764 AC_MSG_CHECKING([for additional library dependencies of SSL])
767 for i in "" "-ldl" ; do
768 LIBS="$LDFLAGS $save_LIBS $i"
769 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],[found=1; break])
771 if test $found = 0 ; then
772 AC_MSG_RESULT([error])
773 AC_MSG_ERROR([cannot link with SSL - check config.log])
776 if test "$i" = "" ; then i="(none)" ; fi
778 dnl XXX FIXME: use pkg-config if available!
779 AC_DEFINE(SSL_ENABLE)
781 AC_MSG_NOTICE(Disabling SSL support.)
784 ### use option --with-socks=DIR to point at SOCKS library
786 [ --with-socks[=DIR] add built-in SOCKS firewall access],
788 if test "$with_socks" != no
790 if test "$with_socks" != yes
792 LDFLAGS="$LDFLAGS -L$with_socks"
794 AC_CHECK_LIB(socks, Rconnect,,
795 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
797 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
798 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
802 ### use option --with-socks5=DIR to point at SOCKS library
804 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
806 if test "$with_socks5" != no
808 if test "$with_socks5" != yes
810 LDFLAGS="$LDFLAGS -L$with_socks5"
812 ac_savedLDFLAGS="$LDFLAGS"
813 LDFLAGS="$LDFLAGS $LDFLAGS"
814 AC_CHECK_LIB(socks5, SOCKSconnect,,
815 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
816 AC_DEFINE(HAVE_SOCKS)
817 CFLAGS="$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"
818 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
819 LDFLAGS="$ac_savedLDFLAGS"
822 ACX_WHICH_GETHOSTBYNAME_R
824 ### use option --with-hesiod=DIR to point at a HESIOD directory
825 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
827 ### use option --with-gssapi=DIR to compile in GSSAPI support
829 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
831 if test "$with_gssapi" != "no"
833 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
835 with_gssapi=$with_kerberos5
838 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
840 CFLAGS="$CFLAGS -I$with_gssapi/include"
841 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
844 dnl obtain gssapi default libs
845 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
846 LIBS="$LIBS `krb5-config --libs gssapi`"
848 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
852 if test "$with_gssapi" = yes ; then
855 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
857 # have roken.h, assume Heimdal
859 NetBSD) LIBS="$LIBS -lkrb5" ;;
860 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
862 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
863 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
866 # no roken.h, assume MIT
867 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
868 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
872 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
873 if test "$with_gssapi" != yes ; then
874 CPPFLAGS="$CPPFLAGS-I$with_gssapi/include"
876 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
877 if test "$ac_cv_header_gssapi_h" = "yes"; then
878 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
880 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
884 dnl ,------------------------------------------------------------------
885 dnl Check if we need TRIO
887 if test "$FORCE_TRIO" = "yes" ; then
889 ac_cv_func_vsnprintf=no
890 ac_cv_func_snprintf=no
892 if test "x$ac_cv_func_snprintf" != "xyes" ; then
893 AC_DEFINE(snprintf, trio_snprintf,
894 [Define to trio_snprintf if your system lacks snprintf])
897 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
898 AC_DEFINE(vsnprintf, trio_vsnprintf,
899 [Define to trio_vsnprintf if your system lacks vsnprintf])
902 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
904 dnl TRIO IEEE compiler option for Alpha
906 if test "$needtrio" = 1 ; then
907 AC_MSG_CHECKING(for IEEE compilation options)
908 AC_CACHE_VAL(ac_cv_ieee_option, [
910 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
911 # error "Option needed"
913 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
915 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
916 # error "Option needed"
918 ],ac_cv_ieee_option="-ieee",
920 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
921 # error "Option needed"
923 ],ac_cv_ieee_option="-mieee",
924 ac_cv_ieee_option="none"
929 AC_MSG_RESULT($ac_cv_ieee_option)
930 if test $ac_cv_ieee_option != none; then
931 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
934 dnl ----------------------------------------------------------------'
936 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
940 dnl comment-start: "dnl "
942 dnl comment-start-skip: "\\bdnl\\b\\s *"
943 dnl compile-command: "make configure config.h.in"