1 dnl Autoconfigure input file for fetchmail
3 # Fetchmail automatic configuration support
5 # Eric S. Raymond <esr@thyrsus.com>
6 # 2004 - 2012 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],[6.3.22.1],[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])
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 $LDFLAGS | sed "s/-s //"`
140 AM_GNU_GETTEXT([external], [need-ngettext])
141 AM_GNU_GETTEXT_VERSION([0.17])
144 # Under sysV68, socket and friends are provided by the C library.
145 # -linet does not provide socket, but causes multiple definition
146 # errors at link-time. It is thus better to only use the C library.
147 # So don't add -linet to the link list unless it's necessary
148 AC_CHECK_FUNC(socket,
149 AC_MSG_RESULT(using libc's socket),
150 AC_CHECK_LIB(socket,socket)
151 AC_CHECK_LIB(inet,socket))
153 # The condition in this test copes with the presence of inet_addr in libc6.
154 AC_CHECK_FUNC(inet_addr,
155 AC_MSG_RESULT(using libc's inet_addr),
156 AC_CHECK_LIB(nsl,inet_addr))
158 dnl Port hack for Interactive UNIX System V/386 Release 3.2
159 AC_CHECK_LIB(cposix, strchr,
160 [DEFS="$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])
174 AC_CHECK_FUNC(getopt_long, [],
175 [AC_LIBSOURCES([getopt.c, getopt1.c])
176 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
182 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
183 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
184 atexit inet_aton strftime setrlimit socketpair dnl
185 sigaction strdup setlocale)
187 AC_CHECK_DECLS([strerror,getenv])
188 dnl INET6 is used by KAME/getnameinfo
189 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
192 #ifdef HAVE_SYS_TYPES_H
193 #include <sys/types.h>
195 #ifdef HAVE_SYS_SOCKET_H
196 #include <sys/socket.h>
202 ac_cv_inet6=yes , ac_cv_inet6=no
204 if test "x$ac_cv_inet6" = xyes
206 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
209 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
210 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
211 # library. So don't add -lresolv to the link list unless it's necessary
212 # (It will be necessary when using GNU libc6).
214 for lib in '' -lresolv; do
215 if test -z "$lib"; then
216 AC_MSG_CHECKING([for res_search in libc])
218 AC_MSG_CHECKING([for res_search in $lib])
220 LIBS="$old_LIBS $lib"
221 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
222 #include <sys/types.h>
223 #ifdef HAVE_NETINET_IN_H
224 #include <netinet/in.h>
226 #ifdef HAVE_ARPA_NAMESER_H
227 #include <arpa/nameser.h>
232 extern int res_search();
233 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
234 [AC_MSG_RESULT([found])
235 AC_DEFINE(HAVE_RES_SEARCH, [1],
236 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
237 break], [AC_MSG_RESULT([not found])])
241 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
242 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
244 dnl Check for usable void pointer type
245 AC_MSG_CHECKING(use of void pointer type)
246 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
248 p = (char *) xmalloc(1);
249 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
251 dnl Check for ANSI volatile
254 dnl Check out the wait reality. We have to assume sys/wait.h is present.
255 AC_CHECK_FUNCS(waitpid wait3)
256 AC_MSG_CHECKING(for union wait);
257 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
258 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
260 /* Some POSIXoid systems have both the new-style macros and the old
261 union wait type, and they do not work together. If union wait
262 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
263 if (WEXITSTATUS (status) != 0) pid = -1;
266 /* Make sure union wait works with waitpid. */
267 pid = waitpid (-1, &status, 0);
269 ]])],[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)])
271 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
272 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
273 /* NetBSD declares sys_siglist in <unistd.h>. */
276 #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)])
278 # Find the right directory to put the root-mode PID file in
279 for dir in "/var/run" "/etc"
286 AC_MSG_RESULT(root-mode pid file will go in $dir)
287 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
289 # We may have a fallback MDA available in case the socket open to the
290 # local SMTP listener fails. Best to use procmail for this, as we know
291 # it won't try delivering through local SMTP and cause a mail loop.
292 # Sendmail without the -t option to use the message headers will work too,
293 # not just for sendmail itself but for workalikes like exim.
295 # Note1: A disadvantage of using procmail is that local alias expansion
296 # according to /etc/aliases won't get done if we fall back. This doesn't
297 # matter in single-drop mode.
299 # Note2: it would be a very bad idea to use any MDA that doesn't return
300 # a refuse-to-deliver status on disk- or process-table-full
301 # conditions; mail could get lost that way. Sendmail and all of the MDAs
302 # like exim that might be lurking under a sendmail alias) do the right
303 # thing in this circumstance. Matthias Andree warns that procmail does
306 # Note3: Defalt value of fallback is now off. Matthias writes:
308 # 1. there is no way to predict when the fallback is used. With some MTAs
309 # (such as those limiting load average), outer circumstances can cause
310 # the fallback to kick in.
312 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
313 # not only about alias expansion, .forwards to special filters won't
314 # work, mail may end up in a different place (users claim "mail loss"
317 # 3. The claim procmail did the right thing with its exit codes is plain
318 # wrong. I've seen procmail exit with code 1 when it should have exited
319 # with code 75, like, configuration errors. Procmail is a dangerous
320 # beast and is best replaced by maildrop.
322 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
323 # cannot tell which one it should choose. Say, your MTA is configured
324 # to use maildrop to deliver to user's mailboxes, if fetchmail then
325 # chooses procmail, this is plain wrong.
328 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
329 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
330 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
332 ### use option --disable-fallback to disable fallback MDA
333 ### use option --enable-fallback=procmail or
334 ### --enable-fallback=sendmail to select
335 AC_ARG_ENABLE(fallback,
336 [ --enable-fallback=procmail enable procmail as fallback
337 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
338 --enable-fallback=maildrop enable maildrop as fallback
339 --enable-fallback=no disable fallback],,[enable_fallback=no])
341 case "$enable_fallback" in
342 sendmail) if test -z "$sendmail" ; then
343 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
346 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
347 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
349 procmail) if test -z "$procmail" ; then
350 AC_MSG_ERROR([procmail selected as fallback, but not found])
353 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
354 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
356 maildrop) if test -z "$maildrop" ; then
357 AC_MSG_ERROR([maildrop selected as fallback, but not found])
360 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
361 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
363 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
365 auto|yes|set) if test -n "$sendmail" ; then
366 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
367 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
369 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
370 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
373 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
378 AC_CHECK_SIZEOF(short)
380 AC_CHECK_SIZEOF(long)
382 ### use option --enable-POP2 to compile in the POP2 support
384 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
385 [with_POP2=$enableval],
387 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
388 AM_CONDITIONAL(POP2_ENABLE, test "$with_POP2" = yes)
390 ### use option --disable-POP3 to omit the POP3 support
392 [ --disable-POP3 don't compile in POP3 protocol support],
393 [with_POP3=$enableval],
395 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
396 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
398 ### use option --disable-IMAP to omit the IMAP support
400 [ --disable-IMAP don't compile in IMAP protocol support],
401 [with_IMAP=$enableval],
403 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
404 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
406 ### use option --disable-ETRN to omit the ETRN support
408 [ --disable-ETRN don't compile in ETRN protocol support],
409 [with_ETRN=$enableval],
411 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
412 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
414 ### use option --disable-ODMR to omit the ODMR support
416 [ --disable-ODMR don't compile in ODMR protocol support],
417 [with_ODMR=$enableval],
419 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
420 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
422 ### use option --enable-RPA to compile in the RPA support
424 [ --enable-RPA compile in RPA protocol support],
425 [with_RPA=$enableval],
427 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
428 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
430 ### use option --enable-NTLM to compile in the NTLM support
432 [ --enable-NTLM compile in NTLM authentication support],
433 [with_NTLM=$enableval],
435 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
436 AM_CONDITIONAL(NTLM_ENABLE, test "$with_NTLM" = yes)
438 ### use option --enable-SDPS to compile in the SDPS support
440 [ --enable-SDPS compile in SDPS protocol support],
441 [with_SDPS=$enableval],
443 if test "$with_SDPS" = yes ; then
444 if test "$with_POP3" != yes ; then
445 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
448 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
451 if test "$with_POP3" != yes && test "$with_POP2" != yes \
452 && test "$with_IMAP" != yes ; then
453 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
458 ### use option --enable-opie to compile in the OPIE support
460 [ --enable-opie support OTP through the OPIE library],
461 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR([cannot find <opie.h>, which is required for OPIE support.])])
462 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR([cannot find libopie, which is required for OPIE support.])])
463 with_opie=$enableval],
465 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
467 dnl Mostly stolen from gnulib's getaddrinfo.m4
468 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
469 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
471 #include <sys/types.h>
472 #ifdef HAVE_SYS_SOCKET_H
473 #include <sys/socket.h>
478 ], [getaddrinfo(0, 0, 0, 0);],
479 [ fm_cv_getaddrinfo=yes],
480 [ fm_cv_getaddrinfo=no ])
483 if test x"$fm_cv_getaddrinfo" = "xyes"; then
484 AC_DEFINE(HAVE_GETADDRINFO, 1,
485 [Define to 1 if you have the getaddrinfo function.])
488 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
490 #include <sys/types.h>
491 #ifdef HAVE_SYS_SOCKET_H
492 #include <sys/socket.h>
500 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
501 [ fm_cv_getnameinfo=yes],
502 [ fm_cv_getnameinfo=no ])
504 if test $fm_cv_getnameinfo = yes ; then
505 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
508 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
509 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
511 AC_CHECK_FUNCS(inet_ntop)
512 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
513 if test "$fm_cv_getaddrinfo" = yes ; then
514 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
516 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
518 darwin9*) gai_ts=yes ;;
519 linux*) gai_ts=yes ;;
520 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
521 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
523 AC_MSG_RESULT($gai_ts)
524 if test $gai_ts = yes ; then
525 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
529 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
531 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
532 # OpenSSL support (Debian's is)
533 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
534 # I don't know if this is 100% correct, but now at least IMAP and POP3
535 # behave the same way regarding kerberosV.
536 # * Build without any fuss for both kerberosIV and V at the same time.
537 # * Move all the kerberos header mess to kerberos.h, and #include that
538 # in driver.c and kerberos.c.
540 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
541 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
542 # the MIT reference implementation of KerberosV (all as packaged in Debian).
544 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
545 ### make sure --with-ssl is run before --with-kerberos* !
546 AC_ARG_WITH(kerberos5,
547 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
549 if test "$with_kerberos5" != "no"
551 # Check for a OpenBSD special case
552 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
554 AS_MESSAGE(checking kerberosV for OpenBSD...)
555 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
556 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
557 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
558 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
559 elif krb5-config 2> /dev/null >/dev/null ; then
560 krb5_prefix=`krb5-config --prefix krb5`
561 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
562 if test -f ${krb5_prefix}/include/et/com_err.h && \
563 ! test -f ${krb5_prefix}/include/com_err.h ; then
564 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
567 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
568 LIBS="$LIBS `krb5-config --libs krb5`"
569 AC_DEFINE(KERBEROS_V5)
571 if test "$with_kerberos5" != "yes"
573 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
574 searchdirs="$with_kerberos5"
576 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
579 for dir in $searchdirs
580 do AC_MSG_CHECKING([for Kerberos V in $dir])
581 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
583 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
585 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
587 ac_krblibs="-lasn1 -lroken -lcom_err"
588 AC_MSG_RESULT([Heimdal found])
589 dnl Attempt to detect if we need to -ldb2 to link Heimdal
590 dnl we assume we do if it is available
591 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
593 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
594 AC_CHECK_LIB(crypto, MD5_Init, [],
595 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
596 ${LDFLAGS} ${ac_krblibs}),
597 ${LDFLAGS} ${ac_krblibs})
600 AC_MSG_RESULT([found])
601 ac_krblibs="-lcom_err"
603 krb5_des_string_to_key,
604 libk5crypto=-lcrypto,
605 AC_CHECK_LIB(k5crypto,
606 krb5_des_string_to_key,
607 libk5crypto=-lk5crypto,
608 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
609 ${LDFLAGS} ${ac_krblibs}),
610 ${LDFLAGS} ${ac_krblibs})
612 AC_CHECK_LIB(krb5, krb5_init_context,[],
614 ${LDFLAGS} ${ac_krblibs})
615 AC_DEFINE(KERBEROS_V5)
616 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
617 LDFLAGS="$LDFLAGS -L$dir/lib"
618 LIBS="$LIBS $ac_krblibs $libk5crypto"
622 AC_MSG_RESULT([not found])
625 if test -z "$with_kerberos5" ; then
626 AC_MSG_ERROR([Kerberos 5 libraries not found])
630 ]) dnl --with-kerberos5=DIR
632 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
634 AC_ARG_WITH(kerberos,
635 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
637 if test "$with_kerberos" != "no"
639 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
640 # Check for a NetBSD/OpenBSD special case
641 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
643 AS_MESSAGE(checking kerberosIV for `uname`...)
645 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
647 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
648 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
650 elif krb4-config 2> /dev/null >/dev/null ; then
651 krb4_prefix=`krb4-config --prefix`
652 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
654 CFLAGS="$CFLAGS `krb4-config --cflags`"
655 LIBS="$LIBS `krb4-config --libs`"
657 elif krb5-config 2> /dev/null >/dev/null ; then
658 krb4_prefix=`krb5-config --prefix krb4`
659 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
660 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
661 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
664 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
665 LIBS="$LIBS `krb5-config --libs krb4`"
668 #we need to detect when we're building under a kerberosV compatibility
670 if test "$with_kerberos" != "yes" ; then
671 searchdirs="$with_kerberos"
673 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
676 ac_saveLDFLAGS="$LDFLAGS"
677 for dir in $searchdirs
679 AC_MSG_CHECKING([for Kerberos IV in $dir])
680 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
681 || test -f "$dir/include/kerberosIV/krb.h"
683 AC_MSG_RESULT([found])
685 AC_MSG_RESULT([not found])
689 if test -f "$with_kerberos5/roken.h" ; then
690 AC_CHECK_LIB(45, krb_mk_req)
692 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
693 if test `uname` = "FreeBSD"; then
694 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
696 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
698 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
700 if test -f "$dir/include/kerberosIV/krb.h" ; then
701 dir="$dir/include/kerberosIV"
706 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
707 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
708 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
711 if test -z "$with_kerberos" ; then
712 AC_MSG_ERROR([Kerberos 4 libraries not found])
714 LDFLAGS="$ac_saveLDFLAGS"
717 ]) dnl --with-kerberos=DIR
718 if test "$KERBEROS_V4" = 1 ; then
719 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
721 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
723 ### use option --with-ssl to compile in the SSL support
725 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
728 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
730 if test "$with_ssl" = "yes"
732 # User didn't specify an SSL location. Let's look at some common
733 # directories where SSL has been found in the past and try and auto
734 # configure for SSL. OpenSSL determination will be made later.
735 # This will screw up if an OpenSSL install is located in a later
736 # directory than an older SSLeay install, but the user should fix that
737 # anyways and he can override on the configure line.
738 # Just testing for directories is not sufficient, /usr exists on
750 if test -r "$ac_dir/include/openssl/ssl.h" ; then
757 if test -n "$with_ssl" -a "$with_ssl" != "no"
759 # With the autoconfigure above, the only time this is going to be
760 # true is going to be when we could not find the headers. If they
761 # are not in system standard locations, we are going to be broken.
762 if test "$with_ssl" = "yes"
764 # Let's just define the standard location for the SSLeay root
765 with_ssl="/usr/local/ssl"
767 if test -r $with_ssl/include/openssl/ssl.h
769 ### ssl.h found under openssl. Use openssl configuration preferentially,
770 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
771 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
772 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
773 ### force the Kerberos direcory onto the include path so it will build.
774 CFLAGS="$CFLAGS -I/usr/kerberos/include"
775 ### OpenBSD comes with ssl headers
777 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
779 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
780 LIBS="$LIBS -lssl -lcrypto"
781 dnl check if -ldl is needed
782 AC_MSG_CHECKING([for additional library dependencies of SSL])
785 for i in "" "-ldl" ; do
786 LIBS="$LDFLAGS $save_LIBS $i"
787 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],[SSL_library_init()])],[found=1; break])
789 if test $found = 0 ; then
790 AC_MSG_RESULT([error])
791 AC_MSG_ERROR([cannot link with SSL - check config.log])
794 if test "$i" = "" ; then i="(none)" ; fi
796 dnl XXX FIXME: use pkg-config if available!
797 AC_DEFINE(SSL_ENABLE)
799 AC_MSG_WARN(Disabling SSL support.)
800 AC_MSG_WARN(Consider re-running configure --with-ssl.)
803 case "$LIBS" in *-lssl*)
804 AC_CHECK_DECLS([SSLv2_client_method],,,[#include <openssl/ssl.h>])
808 ### use option --with-socks=DIR to point at SOCKS library
810 [ --with-socks[=DIR] add built-in SOCKS firewall access],
812 if test "$with_socks" != no
814 if test "$with_socks" != yes
816 LDFLAGS="$LDFLAGS -L$with_socks"
818 AC_CHECK_LIB(socks, Rconnect,,
819 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
821 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
822 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
826 ### use option --with-socks5=DIR to point at SOCKS library
828 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
830 if test "$with_socks5" != no
832 if test "$with_socks5" != yes
834 LDFLAGS="$LDFLAGS -L$with_socks5"
836 ac_savedLDFLAGS="$LDFLAGS"
837 LDFLAGS="$LDFLAGS $LDFLAGS"
838 AC_CHECK_LIB(socks5, SOCKSconnect,,
839 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
840 AC_DEFINE(HAVE_SOCKS)
841 CFLAGS="$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"
842 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
843 LDFLAGS="$ac_savedLDFLAGS"
846 dnl for libesmtp/ modules:
847 ACX_WHICH_GETHOSTBYNAME_R
849 ### use option --with-hesiod=DIR to point at a HESIOD directory
850 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
852 ### use option --with-gssapi=DIR to compile in GSSAPI support
854 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
856 if test "$with_gssapi" != "no"
858 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
860 with_gssapi=$with_kerberos5
863 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
865 CFLAGS="$CFLAGS -I$with_gssapi/include"
866 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
869 dnl obtain gssapi default libs
870 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
871 LIBS="$LIBS `krb5-config --libs gssapi`"
873 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
877 if test "$with_gssapi" = yes ; then
880 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
882 # have roken.h, assume Heimdal
884 NetBSD) LIBS="$LIBS -lkrb5" ;;
885 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
887 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
888 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
891 # no roken.h, assume MIT
892 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
893 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
897 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
898 if test "$with_gssapi" != yes ; then
899 CPPFLAGS="$CPPFLAGS -I$with_gssapi/include"
901 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
902 AC_CHECK_DECLS(GSS_C_NT_HOSTBASED_SERVICE,,,[
907 #if HAVE_GSSAPI_GSSAPI_H
908 #include <gssapi/gssapi.h>
912 #if HAVE_GSSAPI_GSSAPI_GENERIC_H
913 #include <gssapi/gssapi_generic.h>
918 dnl ,------------------------------------------------------------------
919 dnl Check if we need TRIO
921 if test "$FORCE_TRIO" = "yes" ; then
923 ac_cv_func_vsnprintf=no
924 ac_cv_func_snprintf=no
926 if test "x$ac_cv_func_snprintf" != "xyes" ; then
927 AC_DEFINE(snprintf, trio_snprintf,
928 [Define to trio_snprintf if your system lacks snprintf])
931 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
932 AC_DEFINE(vsnprintf, trio_vsnprintf,
933 [Define to trio_vsnprintf if your system lacks vsnprintf])
936 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
938 dnl TRIO IEEE compiler option for Alpha
940 if test "$needtrio" = 1 ; then
941 AC_MSG_CHECKING(for IEEE compilation options)
942 AC_CACHE_VAL(ac_cv_ieee_option, [
944 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
945 # error "Option needed"
947 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
949 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
950 # error "Option needed"
952 ],ac_cv_ieee_option="-ieee",
954 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
955 # error "Option needed"
957 ],ac_cv_ieee_option="-mieee",
958 ac_cv_ieee_option="none"
963 AC_MSG_RESULT($ac_cv_ieee_option)
964 if test $ac_cv_ieee_option != none; then
965 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
968 dnl ----------------------------------------------------------------'
970 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
974 dnl comment-start: "dnl "
976 dnl comment-start-skip: "\\bdnl\\b\\s *"
977 dnl compile-command: "make configure config.h.in"