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 AC_INIT([fetchmail],[6.3.10-beta1],[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 python is optional
25 # you can pass PYTHON=: in environment or on the command line
26 # to disable python detection and continue without building/installing
27 # fetchmail.conf -- be sure to check README.packaging, too!
29 AM_PATH_PYTHON(2.0,,AC_MSG_WARN([Disabling fetchmailconf: python 2.0 or greater not found]))
30 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
35 AC_PROG_CPP dnl Later checks need this.
38 AC_USE_SYSTEM_EXTENSIONS
41 dnl AC_ISC_POSIX: - XXX FIXME: remove in fetchmail 6.4.
42 dnl This macro adds `-lcposix' to output variable `LIBS' if necessary
43 dnl for Posix facilities. Sun dropped support for the obsolete
44 dnl INTERACTIVE Systems Corporation Unix on 2006-07-23. New programs
45 dnl need not use this macro. It is implemented as
46 dnl `AC_SEARCH_LIBS([strerror], [cposix])'
53 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
54 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
55 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h netdb.h \
56 sys/select.h sys/socket.h sys/time.h langinfo.h])
57 if test _$ac_cv_header_stdarg_h != _yes ; then
58 AC_MSG_WARN([stdarg.h is not defined. Unsupported configuration, proceed at your own risk.])
60 AC_CHECK_TYPE(u_int32_t,,
61 AC_DEFINE(u_int32_t,unsigned int,
62 [Define to unsigned int if <sys/types.h> does not define.]),
64 #ifdef HAVE_ARPA_NAMESER_H
65 #include <arpa/nameser.h>
67 AC_CHECK_HEADERS([resolv.h],,,[
68 #include <sys/types.h>
69 #ifdef HAVE_NETINET_IN_H
70 #include <netinet/in.h>
72 #ifdef HAVE_ARPA_NAMESER_H
73 #include <arpa/nameser.h>
77 AC_C_CONST dnl getopt needs this.
83 # Check for OS special cases
86 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
87 CPPFLAGS="$CPPFLAGS -DBIND_8_COMPAT"
89 # Check for FreeBSD special case: more libs needed
91 AC_MSG_NOTICE(found FreeBSD - Adding -lmd -lkvm -lcom_err to standard libraries)
92 LIBS="$LIBS -lmd -lkvm -lcom_err"
94 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
97 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
99 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
100 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
101 CPPFLAGS="$CPPFLAGS -I/usr/include"
103 # Check for Rhapsody special case: it doesn't like -s
105 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
106 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
113 AM_GNU_GETTEXT([external], [need-ngettext])
114 AM_GNU_GETTEXT_VERSION([0.14.6])
117 # Under sysV68, socket and friends are provided by the C library.
118 # -linet does not provide socket, but causes multiple definition
119 # errors at link-time. It is thus better to only use the C library.
120 # So don't add -linet to the link list unless it's necessary
121 AC_CHECK_FUNC(socket,
122 AC_MSG_RESULT(using libc's socket),
123 AC_CHECK_LIB(socket,socket)
124 AC_CHECK_LIB(inet,socket))
126 # The condition in this test copes with the presence of inet_addr in libc6.
127 AC_CHECK_FUNC(inet_addr,
128 AC_MSG_RESULT(using libc's inet_addr),
129 AC_CHECK_LIB(nsl,inet_addr))
131 dnl Port hack for Interactive UNIX System V/386 Release 3.2
132 AC_CHECK_LIB(cposix, strchr,
133 [DEFS="$DEFS -D_SYSV3"
134 LIBS="$LIBS -lcposix"])
136 dnl Port hack for Sparc/NetBSD-1.5
138 dnl NB: this has been disabled as it causes the unconditional
139 dnl addition of libintl to the build, which is both undesired
140 dnl and breaks on Solaris/Blastwave.org machines.
142 dnl AC_CHECK_LIB(intl, gettext,
143 dnl [LIBS="$LIBS -lintl"])
145 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
147 AC_CHECK_FUNC(MD5Init, [],
148 [AC_LIBSOURCE(md5c.c)
149 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
151 AC_CHECK_FUNC(getopt_long, [],
152 [AC_LIBSOURCES([getopt.c, getopt1.c])
153 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
159 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
160 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
161 atexit inet_aton strftime setrlimit socketpair dnl
162 sigaction strdup setlocale)
164 AC_CHECK_DECLS(strerror)
165 dnl INET6 is used by KAME/getnameinfo
166 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
169 #ifdef HAVE_SYS_TYPES_H
170 #include <sys/types.h>
172 #ifdef HAVE_SYS_SOCKET_H
173 #include <sys/socket.h>
179 ac_cv_inet6=yes , ac_cv_inet6=no
181 if test "x$ac_cv_inet6" = xyes
183 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
186 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
187 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
188 # library. So don't add -lresolv to the link list unless it's necessary
189 # (It will be necessary when using GNU libc6).
191 for lib in '' -lresolv; do
192 if test -z "$lib"; then
193 AC_MSG_CHECKING([for res_search in libc])
195 AC_MSG_CHECKING([for res_search in $lib])
197 LIBS="$old_LIBS $lib"
198 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
199 #include <sys/types.h>
200 #ifdef HAVE_NETINET_IN_H
201 #include <netinet/in.h>
203 #ifdef HAVE_ARPA_NAMESER_H
204 #include <arpa/nameser.h>
209 extern int res_search();
210 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
211 [AC_MSG_RESULT([found])
212 AC_DEFINE(HAVE_RES_SEARCH, [1],
213 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
214 break], [AC_MSG_RESULT([not found])])
218 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
219 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
221 dnl Check for RSA refersence library in case we're using SSL
222 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
224 dnl AC_FUNC_SETVBUF_REVERSED
226 dnl Check for usable void pointer type
227 AC_MSG_CHECKING(use of void pointer type)
228 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
230 p = (char *) xmalloc(1);
231 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
233 dnl Check for ANSI volatile
236 dnl Check out the wait reality. We have to assume sys/wait.h is present.
237 AC_CHECK_FUNCS(waitpid wait3)
238 AC_MSG_CHECKING(for union wait);
239 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
240 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
242 /* Some POSIXoid systems have both the new-style macros and the old
243 union wait type, and they do not work together. If union wait
244 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
245 if (WEXITSTATUS (status) != 0) pid = -1;
248 /* Make sure union wait works with waitpid. */
249 pid = waitpid (-1, &status, 0);
251 ]])],[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)])
253 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
254 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
255 /* NetBSD declares sys_siglist in <unistd.h>. */
258 #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)])
260 # Find the right directory to put the root-mode PID file in
261 for dir in "/var/run" "/etc"
268 AC_MSG_RESULT(root-mode pid file will go in $dir)
269 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
271 # We may have a fallback MDA available in case the socket open to the
272 # local SMTP listener fails. Best to use procmail for this, as we know
273 # it won't try delivering through local SMTP and cause a mail loop.
274 # Sendmail without the -t option to use the message headers will work too,
275 # not just for sendmail itself but for workalikes like exim.
277 # Note1: A disadvantage of using procmail is that local alias expansion
278 # according to /etc/aliases won't get done if we fall back. This doesn't
279 # matter in single-drop mode.
281 # Note2: it would be a very bad idea to use any MDA that doesn't return
282 # a refuse-to-deliver status on disk- or process-table-full
283 # conditions; mail could get lost that way. Sendmail and all of the MDAs
284 # like exim that might be lurking under a sendmail alias) do the right
285 # thing in this circumstance. Matthias Andree warns that procmail does
288 # Note3: Defalt value of fallback is now off. Matthias writes:
290 # 1. there is no way to predict when the fallback is used. With some MTAs
291 # (such as those limiting load average), outer circumstances can cause
292 # the fallback to kick in.
294 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
295 # not only about alias expansion, .forwards to special filters won't
296 # work, mail may end up in a different place (users claim "mail loss"
299 # 3. The claim procmail did the right thing with its exit codes is plain
300 # wrong. I've seen procmail exit with code 1 when it should have exited
301 # with code 75, like, configuration errors. Procmail is a dangerous
302 # beast and is best replaced by maildrop.
304 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
305 # cannot tell which one it should choose. Say, your MTA is configured
306 # to use maildrop to deliver to user's mailboxes, if fetchmail then
307 # chooses procmail, this is plain wrong.
310 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
311 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
312 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
314 ### use option --disable-fallback to disable fallback MDA
315 ### use option --enable-fallback=procmail or
316 ### --enable-fallback=sendmail to select
317 AC_ARG_ENABLE(fallback,
318 [ --enable-fallback=procmail enable procmail as fallback
319 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
320 --enable-fallback=maildrop enable maildrop as fallback
321 --enable-fallback=no disable fallback],,[enable_fallback=no])
323 case "$enable_fallback" in
324 sendmail) if test -z "$sendmail" ; then
325 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
328 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
329 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
331 procmail) if test -z "$procmail" ; then
332 AC_MSG_ERROR([procmail selected as fallback, but not found])
335 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
336 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
338 maildrop) if test -z "$maildrop" ; then
339 AC_MSG_ERROR([maildrop selected as fallback, but not found])
342 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
343 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
345 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
347 auto|yes|set) if test -n "$sendmail" ; then
348 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
349 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
351 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
352 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
355 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
360 AC_CHECK_SIZEOF(short)
362 AC_CHECK_SIZEOF(long)
364 ### use option --enable-POP2 to compile in the POP2 support
366 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
367 [with_POP2=$enableval],
369 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
370 AM_CONDITIONAL(POP2_ENABLE, test "$with_POP2" = yes)
372 ### use option --disable-POP3 to omit the POP3 support
374 [ --disable-POP3 don't compile in POP3 protocol support],
375 [with_POP3=$enableval],
377 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
378 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
380 ### use option --disable-IMAP to omit the IMAP support
382 [ --disable-IMAP don't compile in IMAP protocol support],
383 [with_IMAP=$enableval],
385 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
386 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
388 ### use option --disable-ETRN to omit the ETRN support
390 [ --disable-ETRN don't compile in ETRN protocol support],
391 [with_ETRN=$enableval],
393 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
394 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
396 ### use option --disable-ODMR to omit the ODMR support
398 [ --disable-ODMR don't compile in ODMR protocol support],
399 [with_ODMR=$enableval],
401 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
402 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
404 ### use option --enable-RPA to compile in the RPA support
406 [ --enable-RPA compile in RPA protocol support],
407 [with_RPA=$enableval],
409 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
410 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
412 ### use option --enable-NTLM to compile in the NTLM support
414 [ --enable-NTLM compile in NTLM authentication support],
415 [with_NTLM=$enableval],
417 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
419 ### use option --enable-SDPS to compile in the SDPS support
421 [ --enable-SDPS compile in SDPS protocol support],
422 [with_SDPS=$enableval],
424 if test "$with_SDPS" = yes ; then
425 if test "$with_POP3" != yes ; then
426 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
429 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
432 if test "$with_POP3" != yes && test "$with_POP2" != yes \
433 && test "$with_IMAP" != yes ; then
434 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
439 ### use option --enable-opie to compile in the OPIE support
441 [ --enable-opie support OTP through the OPIE library],
442 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
443 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
444 with_opie=$enableval],
446 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
448 dnl Mostly stolen from gnulib's getaddrinfo.m4
449 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
450 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
452 #include <sys/types.h>
453 #ifdef HAVE_SYS_SOCKET_H
454 #include <sys/socket.h>
459 ], [getaddrinfo(0, 0, 0, 0);],
460 [ fm_cv_getaddrinfo=yes],
461 [ fm_cv_getaddrinfo=no ])
464 if test x"$fm_cv_getaddrinfo" = "xyes"; then
465 AC_DEFINE(HAVE_GETADDRINFO, 1,
466 [Define to 1 if you have the getaddrinfo function.])
469 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
471 #include <sys/types.h>
472 #ifdef HAVE_SYS_SOCKET_H
473 #include <sys/socket.h>
479 #define NULL ((void *)0)
481 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
482 [ fm_cv_getnameinfo=yes],
483 [ fm_cv_getnameinfo=no ])
485 if test $fm_cv_getnameinfo = yes ; then
486 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
489 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
490 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
492 AC_CHECK_FUNCS(inet_ntop)
493 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
494 if test "$fm_cv_getaddrinfo" = yes ; then
495 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
497 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
499 darwin9*) gai_ts=yes ;;
500 linux*) gai_ts=yes ;;
501 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
502 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
504 AC_MSG_RESULT($gai_ts)
505 if test $gai_ts = yes ; then
506 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
510 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
512 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
513 # OpenSSL support (Debian's is)
514 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
515 # I don't know if this is 100% correct, but now at least IMAP and POP3
516 # behave the same way regarding kerberosV.
517 # * Build without any fuss for both kerberosIV and V at the same time.
518 # * Move all the kerberos header mess to kerberos.h, and #include that
519 # in driver.c and kerberos.c.
521 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
522 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
523 # the MIT reference implementation of KerberosV (all as packaged in Debian).
525 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
526 ### make sure --with-ssl is run before --with-kerberos* !
527 AC_ARG_WITH(kerberos5,
528 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
530 if test "$with_kerberos5" != "no"
532 # Check for a OpenBSD special case
533 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
535 AS_MESSAGE(checking kerberosV for OpenBSD...)
536 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
537 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
538 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
539 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
540 elif krb5-config 2> /dev/null >/dev/null ; then
541 krb5_prefix=`krb5-config --prefix krb5`
542 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
543 if test -f ${krb5_prefix}/include/et/com_err.h && \
544 ! test -f ${krb5_prefix}/include/com_err.h ; then
545 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
548 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
549 LIBS="$LIBS `krb5-config --libs krb5`"
550 AC_DEFINE(KERBEROS_V5)
552 if test "$with_kerberos5" != "yes"
554 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
555 searchdirs="$with_kerberos5"
557 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
560 for dir in $searchdirs
561 do AC_MSG_CHECKING([for Kerberos V in $dir])
562 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
564 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
566 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
568 ac_krblibs="-lasn1 -lroken -lcom_err"
569 AC_MSG_RESULT([Heimdal found])
570 dnl Attempt to detect if we need to -ldb2 to link Heimdal
571 dnl we assume we do if it is available
572 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
574 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
575 AC_CHECK_LIB(ssl, MD5_Init, [],
576 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
577 ${LDFLAGS} ${ac_krblibs}),
578 ${LDFLAGS} ${ac_krblibs})
581 AC_MSG_RESULT([found])
582 ac_krblibs="-lcom_err"
584 krb5_des_string_to_key,
585 libk5crypto=-lcrypto,
586 AC_CHECK_LIB(k5crypto,
587 krb5_des_string_to_key,
588 libk5crypto=-lk5crypto,
589 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
590 ${LDFLAGS} ${ac_krblibs}),
591 ${LDFLAGS} ${ac_krblibs})
593 AC_CHECK_LIB(krb5, krb5_init_context,[],
595 ${LDFLAGS} ${ac_krblibs})
596 AC_DEFINE(KERBEROS_V5)
597 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
598 LDFLAGS="$LDFLAGS -L$dir/lib"
599 LIBS="$LIBS $ac_krblibs $libk5crypto"
603 AC_MSG_RESULT([not found])
606 if test -z "$with_kerberos5" ; then
607 AC_MSG_ERROR([Kerberos 5 libraries not found])
611 ]) dnl --with-kerberos5=DIR
613 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
615 AC_ARG_WITH(kerberos,
616 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
618 if test "$with_kerberos" != "no"
620 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
621 # Check for a NetBSD/OpenBSD special case
622 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
624 AS_MESSAGE(checking kerberosIV for `uname`...)
626 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
628 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
629 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
631 elif krb4-config 2> /dev/null >/dev/null ; then
632 krb4_prefix=`krb4-config --prefix`
633 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
635 CFLAGS="$CFLAGS `krb4-config --cflags`"
636 LIBS="$LIBS `krb4-config --libs`"
638 elif krb5-config 2> /dev/null >/dev/null ; then
639 krb4_prefix=`krb5-config --prefix krb4`
640 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
641 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
642 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
645 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
646 LIBS="$LIBS `krb5-config --libs krb4`"
649 #we need to detect when we're building under a kerberosV compatibility
651 if test "$with_kerberos" != "yes" ; then
652 searchdirs="$with_kerberos"
654 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
657 ac_saveLDFLAGS="$LDFLAGS"
658 for dir in $searchdirs
660 AC_MSG_CHECKING([for Kerberos IV in $dir])
661 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
662 || test -f "$dir/include/kerberosIV/krb.h"
664 AC_MSG_RESULT([found])
666 AC_MSG_RESULT([not found])
670 if test -f "$with_kerberos5/roken.h" ; then
671 AC_CHECK_LIB(45, krb_mk_req)
673 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
674 if test `uname` = "FreeBSD"; then
675 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
677 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
679 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
681 if test -f "$dir/include/kerberosIV/krb.h" ; then
682 dir="$dir/include/kerberosIV"
687 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
688 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
689 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
692 if test -z "$with_kerberos" ; then
693 AC_MSG_ERROR([Kerberos 4 libraries not found])
695 LDFLAGS="$ac_saveLDFLAGS"
698 ]) dnl --with-kerberos=DIR
699 if test "$KERBEROS_V4" = 1 ; then
700 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
702 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
704 ### use option --with-ssl to compile in the SSL support
706 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
709 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
711 if test "$with_ssl" = "yes"
713 # User didn't specify an SSL location. Let's look at some common
714 # directories where SSL has been found in the past and try and auto
715 # configure for SSL. OpenSSL determination will be made later.
716 # This will screw up if an OpenSSL install is located in a later
717 # directory than an older SSLeay install, but the user should fix that
718 # anyways and he can override on the configure line.
719 # Just testing for directories is not sufficient, /usr exists on
731 if test -r "$ac_dir/include/openssl/ssl.h" ; then
738 if test -n "$with_ssl" -a "$with_ssl" != "no"
740 # With the autoconfigure above, the only time this is going to be
741 # true is going to be when we could not find the headers. If they
742 # are not in system standard locations, we are going to be broken.
743 if test "$with_ssl" = "yes"
745 # Let's just define the standard location for the SSLeay root
746 with_ssl="/usr/local/ssl"
748 if test -r $with_ssl/include/openssl/ssl.h
750 ### ssl.h found under openssl. Use openssl configuration preferentially,
751 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
752 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
753 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
754 ### force the Kerberos direcory onto the include path so it will build.
755 CFLAGS="$CFLAGS -I/usr/kerberos/include"
756 ### OpenBSD comes with ssl headers
758 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
760 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
761 LIBS="$LIBS -lssl -lcrypto"
762 dnl check if -ldl is needed
763 AC_MSG_CHECKING([for additional library dependencies of SSL])
766 for i in "" "-ldl" ; do
767 LIBS="$LDFLAGS $save_LIBS $i"
768 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],[found=1; break])
770 if test $found = 0 ; then
771 AC_MSG_RESULT([error])
772 AC_MSG_ERROR([cannot link with SSL - check config.log])
775 if test "$i" = "" ; then i="(none)" ; fi
777 dnl XXX FIXME: use pkg-config if available!
778 AC_DEFINE(SSL_ENABLE)
780 AC_MSG_NOTICE(Disabling SSL support.)
783 ### use option --with-socks=DIR to point at SOCKS library
785 [ --with-socks[=DIR] add built-in SOCKS firewall access],
787 if test "$with_socks" != no
789 if test "$with_socks" != yes
791 LDFLAGS="$LDFLAGS -L$with_socks"
793 AC_CHECK_LIB(socks, Rconnect,,
794 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
796 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
797 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
801 ### use option --with-socks5=DIR to point at SOCKS library
803 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
805 if test "$with_socks5" != no
807 if test "$with_socks5" != yes
809 LDFLAGS="$LDFLAGS -L$with_socks5"
811 ac_savedLDFLAGS="$LDFLAGS"
812 LDFLAGS="$LDFLAGS $LDFLAGS"
813 AC_CHECK_LIB(socks5, SOCKSconnect,,
814 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
815 AC_DEFINE(HAVE_SOCKS)
816 CFLAGS="$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"
817 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
818 LDFLAGS="$ac_savedLDFLAGS"
821 ACX_WHICH_GETHOSTBYNAME_R
823 ### use option --with-hesiod=DIR to point at a HESIOD directory
824 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
826 ### use option --with-gssapi=DIR to compile in GSSAPI support
828 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
830 if test "$with_gssapi" != "no"
832 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
834 with_gssapi=$with_kerberos5
837 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
839 CFLAGS="$CFLAGS -I$with_gssapi/include"
840 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
843 dnl obtain gssapi default libs
844 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
845 LIBS="$LIBS `krb5-config --libs gssapi`"
847 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
851 if test "$with_gssapi" = yes ; then
854 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
856 # have roken.h, assume Heimdal
858 NetBSD) LIBS="$LIBS -lkrb5" ;;
859 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
861 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
862 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
865 # no roken.h, assume MIT
866 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
867 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
871 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
872 if test "$with_gssapi" != yes ; then
873 CPPFLAGS="$CPPFLAGS-I$with_gssapi/include"
875 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
876 if test "$ac_cv_header_gssapi_h" = "yes"; then
877 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
879 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
883 dnl ,------------------------------------------------------------------
884 dnl Check if we need TRIO
886 if test "$FORCE_TRIO" = "yes" ; then
888 ac_cv_func_vsnprintf=no
889 ac_cv_func_snprintf=no
891 if test "x$ac_cv_func_snprintf" != "xyes" ; then
892 AC_DEFINE(snprintf, trio_snprintf,
893 [Define to trio_snprintf if your system lacks snprintf])
896 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
897 AC_DEFINE(vsnprintf, trio_vsnprintf,
898 [Define to trio_vsnprintf if your system lacks vsnprintf])
901 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
903 dnl TRIO IEEE compiler option for Alpha
905 if test "$needtrio" = 1 ; then
906 AC_MSG_CHECKING(for IEEE compilation options)
907 AC_CACHE_VAL(ac_cv_ieee_option, [
909 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
910 # error "Option needed"
912 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
914 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
915 # error "Option needed"
917 ],ac_cv_ieee_option="-ieee",
919 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
920 # error "Option needed"
922 ],ac_cv_ieee_option="-mieee",
923 ac_cv_ieee_option="none"
928 AC_MSG_RESULT($ac_cv_ieee_option)
929 if test $ac_cv_ieee_option != none; then
930 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
933 dnl ----------------------------------------------------------------'
935 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
939 dnl comment-start: "dnl "
941 dnl comment-start-skip: "\\bdnl\\b\\s *"
942 dnl compile-command: "make configure config.h.in"