1 dnl Autoconfigure input file for fetchmail
3 # Fetchmail automatic configuration support
5 # Eric S. Raymond <esr@thyrsus.com>
6 # 2004 - 2010 Matthias Andree <matthias.andree@gmx.de>
8 dnl Process this file with autoconf to produce a configure script.
11 dnl XXX - if bumping version here, check fetchmail.man, too!
12 AC_INIT([fetchmail],[6.3.17],[fetchmail-users@lists.berlios.de])
13 AC_CONFIG_SRCDIR([fetchmail.h])
14 AC_CONFIG_HEADERS([config.h])
15 AC_CONFIG_LIBOBJ_DIR([.])
19 dnl automake options are in Makefile.am
21 dnl 2.60 required for AC_USE_SYSTEM_EXTENSIONS
24 dnl python is optional
26 # you can pass PYTHON=: in environment or on the command line
27 # to disable python detection and continue without building/installing
28 # fetchmail.conf -- be sure to check README.packaging, too!
30 AM_PATH_PYTHON(2.0,,AC_MSG_WARN([Disabling fetchmailconf: python 2.0 or greater not found]))
31 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
37 AC_PROG_CPP dnl Later checks need this.
40 AC_USE_SYSTEM_EXTENSIONS
43 dnl AC_ISC_POSIX: - XXX FIXME: remove in fetchmail 6.4.
44 dnl This macro adds `-lcposix' to output variable `LIBS' if necessary
45 dnl for Posix facilities. Sun dropped support for the obsolete
46 dnl INTERACTIVE Systems Corporation Unix on 2006-07-23. New programs
47 dnl need not use this macro. It is implemented as
48 dnl `AC_SEARCH_LIBS([strerror], [cposix])'
50 dnl check for b0rked Solaris (and other shells) and find one that works
51 AC_MSG_CHECKING(for a working shell...)
52 for i in /usr/xpg6/bin/sh /usr/xpg4/bin/sh /usr/ccs/bin/sh /bin/sh /usr/bin/sh /bin/ksh /bin/bash /usr/local/bin/bash ; do
53 $i -c 'if ! false ; then echo $(echo ok) ; fi' >config.$$ 2>/dev/null
56 if test "x$j" = "xok" ; then
63 if test "x$SHELL" = "x" ; then
64 AC_MSG_ERROR(no SUS compliant shell found - on Solaris, install SUNWxcu4)
73 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
74 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
75 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h netdb.h \
76 sys/select.h sys/socket.h sys/time.h langinfo.h md5.h])
77 if test _$ac_cv_header_stdarg_h != _yes ; then
78 AC_MSG_WARN([stdarg.h is not defined. Unsupported configuration, proceed at your own risk.])
80 AC_CHECK_TYPE(u_int32_t,,
81 AC_DEFINE(u_int32_t,unsigned int,
82 [Define to unsigned int if <sys/types.h> does not define.]),
84 #ifdef HAVE_ARPA_NAMESER_H
85 #include <arpa/nameser.h>
87 AC_CHECK_HEADERS([resolv.h],,,[
88 #include <sys/types.h>
89 #ifdef HAVE_NETINET_IN_H
90 #include <netinet/in.h>
92 #ifdef HAVE_ARPA_NAMESER_H
93 #include <arpa/nameser.h>
97 AC_CHECK_DECLS([h_errno],,,[
104 AC_C_CONST dnl getopt needs this.
110 # Check for OS special cases
113 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
114 CPPFLAGS="$CPPFLAGS -DBIND_8_COMPAT"
116 # Check for FreeBSD special case: more libs needed
118 AC_MSG_NOTICE(found FreeBSD - Adding -lkvm -lcom_err to standard libraries)
119 LIBS="$LIBS -lkvm -lcom_err"
121 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
124 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
126 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
127 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
128 CPPFLAGS="$CPPFLAGS -I/usr/include"
130 # Check for Rhapsody special case: it doesn't like -s
132 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
133 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
140 AM_GNU_GETTEXT([external], [need-ngettext])
141 AM_GNU_GETTEXT_VERSION([0.14.6])
144 # Under sysV68, socket and friends are provided by the C library.
145 # -linet does not provide socket, but causes multiple definition
146 # errors at link-time. It is thus better to only use the C library.
147 # So don't add -linet to the link list unless it's necessary
148 AC_CHECK_FUNC(socket,
149 AC_MSG_RESULT(using libc's socket),
150 AC_CHECK_LIB(socket,socket)
151 AC_CHECK_LIB(inet,socket))
153 # The condition in this test copes with the presence of inet_addr in libc6.
154 AC_CHECK_FUNC(inet_addr,
155 AC_MSG_RESULT(using libc's inet_addr),
156 AC_CHECK_LIB(nsl,inet_addr))
158 dnl Port hack for Interactive UNIX System V/386 Release 3.2
159 AC_CHECK_LIB(cposix, strchr,
160 [DEFS="$DEFS -D_SYSV3"
161 LIBS="$LIBS -lcposix"])
163 dnl Port hack for Sparc/NetBSD-1.5
165 dnl NB: this has been disabled as it causes the unconditional
166 dnl addition of libintl to the build, which is both undesired
167 dnl and breaks on Solaris/Blastwave.org machines.
169 dnl AC_CHECK_LIB(intl, gettext,
170 dnl [LIBS="$LIBS -lintl"])
172 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
174 AC_SEARCH_LIBS(MD5Init, [md5 md], [],
175 [AC_LIBSOURCE(md5c.c)
176 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
178 AC_CHECK_FUNC(getopt_long, [],
179 [AC_LIBSOURCES([getopt.c, getopt1.c])
180 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
186 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
187 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
188 atexit inet_aton strftime setrlimit socketpair dnl
189 sigaction strdup setlocale)
191 AC_CHECK_DECLS([strerror,getenv])
192 dnl INET6 is used by KAME/getnameinfo
193 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
196 #ifdef HAVE_SYS_TYPES_H
197 #include <sys/types.h>
199 #ifdef HAVE_SYS_SOCKET_H
200 #include <sys/socket.h>
206 ac_cv_inet6=yes , ac_cv_inet6=no
208 if test "x$ac_cv_inet6" = xyes
210 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
213 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
214 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
215 # library. So don't add -lresolv to the link list unless it's necessary
216 # (It will be necessary when using GNU libc6).
218 for lib in '' -lresolv; do
219 if test -z "$lib"; then
220 AC_MSG_CHECKING([for res_search in libc])
222 AC_MSG_CHECKING([for res_search in $lib])
224 LIBS="$old_LIBS $lib"
225 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
226 #include <sys/types.h>
227 #ifdef HAVE_NETINET_IN_H
228 #include <netinet/in.h>
230 #ifdef HAVE_ARPA_NAMESER_H
231 #include <arpa/nameser.h>
236 extern int res_search();
237 ]], [[res_search(0, 0, 0, 0, 0); dn_skipname(0,0);]])],
238 [AC_MSG_RESULT([found])
239 AC_DEFINE(HAVE_RES_SEARCH, [1],
240 [Define to 1 if you have the 'res_search' and 'dn_skipname' functions.])
241 break], [AC_MSG_RESULT([not found])])
245 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
246 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
248 dnl Check for usable void pointer type
249 AC_MSG_CHECKING(use of void pointer type)
250 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
252 p = (char *) xmalloc(1);
253 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
255 dnl Check for ANSI volatile
258 dnl Check out the wait reality. We have to assume sys/wait.h is present.
259 AC_CHECK_FUNCS(waitpid wait3)
260 AC_MSG_CHECKING(for union wait);
261 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
262 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
264 /* Some POSIXoid systems have both the new-style macros and the old
265 union wait type, and they do not work together. If union wait
266 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
267 if (WEXITSTATUS (status) != 0) pid = -1;
270 /* Make sure union wait works with waitpid. */
271 pid = waitpid (-1, &status, 0);
273 ]])],[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)])
275 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
276 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
277 /* NetBSD declares sys_siglist in <unistd.h>. */
280 #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)])
282 # Find the right directory to put the root-mode PID file in
283 for dir in "/var/run" "/etc"
290 AC_MSG_RESULT(root-mode pid file will go in $dir)
291 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
293 # We may have a fallback MDA available in case the socket open to the
294 # local SMTP listener fails. Best to use procmail for this, as we know
295 # it won't try delivering through local SMTP and cause a mail loop.
296 # Sendmail without the -t option to use the message headers will work too,
297 # not just for sendmail itself but for workalikes like exim.
299 # Note1: A disadvantage of using procmail is that local alias expansion
300 # according to /etc/aliases won't get done if we fall back. This doesn't
301 # matter in single-drop mode.
303 # Note2: it would be a very bad idea to use any MDA that doesn't return
304 # a refuse-to-deliver status on disk- or process-table-full
305 # conditions; mail could get lost that way. Sendmail and all of the MDAs
306 # like exim that might be lurking under a sendmail alias) do the right
307 # thing in this circumstance. Matthias Andree warns that procmail does
310 # Note3: Defalt value of fallback is now off. Matthias writes:
312 # 1. there is no way to predict when the fallback is used. With some MTAs
313 # (such as those limiting load average), outer circumstances can cause
314 # the fallback to kick in.
316 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
317 # not only about alias expansion, .forwards to special filters won't
318 # work, mail may end up in a different place (users claim "mail loss"
321 # 3. The claim procmail did the right thing with its exit codes is plain
322 # wrong. I've seen procmail exit with code 1 when it should have exited
323 # with code 75, like, configuration errors. Procmail is a dangerous
324 # beast and is best replaced by maildrop.
326 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
327 # cannot tell which one it should choose. Say, your MTA is configured
328 # to use maildrop to deliver to user's mailboxes, if fetchmail then
329 # chooses procmail, this is plain wrong.
332 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
333 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
334 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
336 ### use option --disable-fallback to disable fallback MDA
337 ### use option --enable-fallback=procmail or
338 ### --enable-fallback=sendmail to select
339 AC_ARG_ENABLE(fallback,
340 [ --enable-fallback=procmail enable procmail as fallback
341 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
342 --enable-fallback=maildrop enable maildrop as fallback
343 --enable-fallback=no disable fallback],,[enable_fallback=no])
345 case "$enable_fallback" in
346 sendmail) if test -z "$sendmail" ; then
347 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
350 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
351 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
353 procmail) if test -z "$procmail" ; then
354 AC_MSG_ERROR([procmail selected as fallback, but not found])
357 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
358 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
360 maildrop) if test -z "$maildrop" ; then
361 AC_MSG_ERROR([maildrop selected as fallback, but not found])
364 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
365 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
367 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
369 auto|yes|set) if test -n "$sendmail" ; then
370 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
371 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
373 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
374 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
377 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
382 AC_CHECK_SIZEOF(short)
384 AC_CHECK_SIZEOF(long)
386 ### use option --enable-POP2 to compile in the POP2 support
388 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
389 [with_POP2=$enableval],
391 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
392 AM_CONDITIONAL(POP2_ENABLE, test "$with_POP2" = yes)
394 ### use option --disable-POP3 to omit the POP3 support
396 [ --disable-POP3 don't compile in POP3 protocol support],
397 [with_POP3=$enableval],
399 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
400 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
402 ### use option --disable-IMAP to omit the IMAP support
404 [ --disable-IMAP don't compile in IMAP protocol support],
405 [with_IMAP=$enableval],
407 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
408 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
410 ### use option --disable-ETRN to omit the ETRN support
412 [ --disable-ETRN don't compile in ETRN protocol support],
413 [with_ETRN=$enableval],
415 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
416 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
418 ### use option --disable-ODMR to omit the ODMR support
420 [ --disable-ODMR don't compile in ODMR protocol support],
421 [with_ODMR=$enableval],
423 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
424 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
426 ### use option --enable-RPA to compile in the RPA support
428 [ --enable-RPA compile in RPA protocol support],
429 [with_RPA=$enableval],
431 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
432 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
434 ### use option --enable-NTLM to compile in the NTLM support
436 [ --enable-NTLM compile in NTLM authentication support],
437 [with_NTLM=$enableval],
439 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
441 ### use option --enable-SDPS to compile in the SDPS support
443 [ --enable-SDPS compile in SDPS protocol support],
444 [with_SDPS=$enableval],
446 if test "$with_SDPS" = yes ; then
447 if test "$with_POP3" != yes ; then
448 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
451 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
454 if test "$with_POP3" != yes && test "$with_POP2" != yes \
455 && test "$with_IMAP" != yes ; then
456 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
461 ### use option --enable-opie to compile in the OPIE support
463 [ --enable-opie support OTP through the OPIE library],
464 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
465 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
466 with_opie=$enableval],
468 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
470 dnl Mostly stolen from gnulib's getaddrinfo.m4
471 AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
472 AC_CACHE_CHECK([for getaddrinfo],[fm_cv_getaddrinfo],[
474 #include <sys/types.h>
475 #ifdef HAVE_SYS_SOCKET_H
476 #include <sys/socket.h>
481 ], [getaddrinfo(0, 0, 0, 0);],
482 [ fm_cv_getaddrinfo=yes],
483 [ fm_cv_getaddrinfo=no ])
486 if test x"$fm_cv_getaddrinfo" = "xyes"; then
487 AC_DEFINE(HAVE_GETADDRINFO, 1,
488 [Define to 1 if you have the getaddrinfo function.])
491 AC_CACHE_CHECK([for getnameinfo],[fm_cv_getnameinfo],[
493 #include <sys/types.h>
494 #ifdef HAVE_SYS_SOCKET_H
495 #include <sys/socket.h>
503 ], [getnameinfo(NULL,0, NULL,0, NULL, 0, 0);],
504 [ fm_cv_getnameinfo=yes],
505 [ fm_cv_getnameinfo=no ])
507 if test $fm_cv_getnameinfo = yes ; then
508 AC_DEFINE(HAVE_GETNAMEINFO,1,[Define to 1 if your system has getnameinfo()])
511 AM_CONDITIONAL(NEED_GETADDRINFO, test "$fm_cv_getaddrinfo" != yes)
512 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$fm_cv_getnameinfo" != yes)
514 AC_CHECK_FUNCS(inet_ntop)
515 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
516 if test "$fm_cv_getaddrinfo" = yes ; then
517 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
519 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
521 darwin9*) gai_ts=yes ;;
522 linux*) gai_ts=yes ;;
523 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
524 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
526 AC_MSG_RESULT($gai_ts)
527 if test $gai_ts = yes ; then
528 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
532 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
534 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
535 # OpenSSL support (Debian's is)
536 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
537 # I don't know if this is 100% correct, but now at least IMAP and POP3
538 # behave the same way regarding kerberosV.
539 # * Build without any fuss for both kerberosIV and V at the same time.
540 # * Move all the kerberos header mess to kerberos.h, and #include that
541 # in driver.c and kerberos.c.
543 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
544 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
545 # the MIT reference implementation of KerberosV (all as packaged in Debian).
547 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
548 ### make sure --with-ssl is run before --with-kerberos* !
549 AC_ARG_WITH(kerberos5,
550 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
552 if test "$with_kerberos5" != "no"
554 # Check for a OpenBSD special case
555 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
557 AS_MESSAGE(checking kerberosV for OpenBSD...)
558 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
559 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
560 CFLAGS="$CFLAGS -I/usr/include/kerberosV"
561 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
562 elif krb5-config 2> /dev/null >/dev/null ; then
563 krb5_prefix=`krb5-config --prefix krb5`
564 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
565 if test -f ${krb5_prefix}/include/et/com_err.h && \
566 ! test -f ${krb5_prefix}/include/com_err.h ; then
567 CFLAGS="$CFLAGS -I${krb5_prefix}/include/et"
570 CFLAGS="$CFLAGS `krb5-config --cflags krb5`"
571 LIBS="$LIBS `krb5-config --libs krb5`"
572 AC_DEFINE(KERBEROS_V5)
574 if test "$with_kerberos5" != "yes"
576 LDFLAGS="$LDFLAGS -L${with_kerberos5}/lib"
577 searchdirs="$with_kerberos5"
579 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
582 for dir in $searchdirs
583 do AC_MSG_CHECKING([for Kerberos V in $dir])
584 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
586 if test -d "$dir/include/krb5" ; then CPPFLAGS="$CPPFLAGS -I$dir/include/krb5" ; fi
588 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
590 ac_krblibs="-lasn1 -lroken -lcom_err"
591 AC_MSG_RESULT([Heimdal found])
592 dnl Attempt to detect if we need to -ldb2 to link Heimdal
593 dnl we assume we do if it is available
594 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
596 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
597 AC_CHECK_LIB(crypto, MD5_Init, [],
598 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
599 ${LDFLAGS} ${ac_krblibs}),
600 ${LDFLAGS} ${ac_krblibs})
603 AC_MSG_RESULT([found])
604 ac_krblibs="-lcom_err"
606 krb5_des_string_to_key,
607 libk5crypto=-lcrypto,
608 AC_CHECK_LIB(k5crypto,
609 krb5_des_string_to_key,
610 libk5crypto=-lk5crypto,
611 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
612 ${LDFLAGS} ${ac_krblibs}),
613 ${LDFLAGS} ${ac_krblibs})
615 AC_CHECK_LIB(krb5, krb5_init_context,[],
617 ${LDFLAGS} ${ac_krblibs})
618 AC_DEFINE(KERBEROS_V5)
619 test "$dir" != "/usr" && CFLAGS="$CFLAGS -I$dir/include"
620 LDFLAGS="$LDFLAGS -L$dir/lib"
621 LIBS="$LIBS $ac_krblibs $libk5crypto"
625 AC_MSG_RESULT([not found])
628 if test -z "$with_kerberos5" ; then
629 AC_MSG_ERROR([Kerberos 5 libraries not found])
633 ]) dnl --with-kerberos5=DIR
635 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
637 AC_ARG_WITH(kerberos,
638 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
640 if test "$with_kerberos" != "no"
642 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
643 # Check for a NetBSD/OpenBSD special case
644 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
646 AS_MESSAGE(checking kerberosIV for `uname`...)
648 CFLAGS="$CFLAGS -I/usr/include/kerberosIV"
650 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
651 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
653 elif krb4-config 2> /dev/null >/dev/null ; then
654 krb4_prefix=`krb4-config --prefix`
655 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
657 CFLAGS="$CFLAGS `krb4-config --cflags`"
658 LIBS="$LIBS `krb4-config --libs`"
660 elif krb5-config 2> /dev/null >/dev/null ; then
661 krb4_prefix=`krb5-config --prefix krb4`
662 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
663 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
664 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
667 CFLAGS="$CFLAGS `krb5-config --cflags krb4`"
668 LIBS="$LIBS `krb5-config --libs krb4`"
671 #we need to detect when we're building under a kerberosV compatibility
673 if test "$with_kerberos" != "yes" ; then
674 searchdirs="$with_kerberos"
676 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
679 ac_saveLDFLAGS="$LDFLAGS"
680 for dir in $searchdirs
682 AC_MSG_CHECKING([for Kerberos IV in $dir])
683 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
684 || test -f "$dir/include/kerberosIV/krb.h"
686 AC_MSG_RESULT([found])
688 AC_MSG_RESULT([not found])
692 if test -f "$with_kerberos5/roken.h" ; then
693 AC_CHECK_LIB(45, krb_mk_req)
695 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
696 if test `uname` = "FreeBSD"; then
697 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
699 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
701 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
703 if test -f "$dir/include/kerberosIV/krb.h" ; then
704 dir="$dir/include/kerberosIV"
709 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
710 test "$dir" != "/usr/include" && CFLAGS="$CFLAGS -I$dir"
711 LDFLAGS="$LDFLAGS -L$with_kerberos/lib"
714 if test -z "$with_kerberos" ; then
715 AC_MSG_ERROR([Kerberos 4 libraries not found])
717 LDFLAGS="$ac_saveLDFLAGS"
720 ]) dnl --with-kerberos=DIR
721 if test "$KERBEROS_V4" = 1 ; then
722 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
724 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
726 ### use option --with-ssl to compile in the SSL support
728 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
731 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
733 if test "$with_ssl" = "yes"
735 # User didn't specify an SSL location. Let's look at some common
736 # directories where SSL has been found in the past and try and auto
737 # configure for SSL. OpenSSL determination will be made later.
738 # This will screw up if an OpenSSL install is located in a later
739 # directory than an older SSLeay install, but the user should fix that
740 # anyways and he can override on the configure line.
741 # Just testing for directories is not sufficient, /usr exists on
753 if test -r "$ac_dir/include/openssl/ssl.h" ; then
760 if test -n "$with_ssl" -a "$with_ssl" != "no"
762 # With the autoconfigure above, the only time this is going to be
763 # true is going to be when we could not find the headers. If they
764 # are not in system standard locations, we are going to be broken.
765 if test "$with_ssl" = "yes"
767 # Let's just define the standard location for the SSLeay root
768 with_ssl="/usr/local/ssl"
770 if test -r $with_ssl/include/openssl/ssl.h
772 ### ssl.h found under openssl. Use openssl configuration preferentially,
773 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
774 test "$with_ssl" != "/usr" && CFLAGS="$CFLAGS -I$with_ssl/include"
775 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
776 ### force the Kerberos direcory onto the include path so it will build.
777 CFLAGS="$CFLAGS -I/usr/kerberos/include"
778 ### OpenBSD comes with ssl headers
780 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
782 LDFLAGS="$LDFLAGS -L$with_ssl/lib"
783 LIBS="$LIBS -lssl -lcrypto"
784 dnl check if -ldl is needed
785 AC_MSG_CHECKING([for additional library dependencies of SSL])
788 for i in "" "-ldl" ; do
789 LIBS="$LDFLAGS $save_LIBS $i"
790 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],[SSL_library_init()])],[found=1; break])
792 if test $found = 0 ; then
793 AC_MSG_RESULT([error])
794 AC_MSG_ERROR([cannot link with SSL - check config.log])
797 if test "$i" = "" ; then i="(none)" ; fi
799 dnl XXX FIXME: use pkg-config if available!
800 AC_DEFINE(SSL_ENABLE)
802 AC_MSG_NOTICE(Disabling SSL support.)
805 ### use option --with-socks=DIR to point at SOCKS library
807 [ --with-socks[=DIR] add built-in SOCKS firewall access],
809 if test "$with_socks" != no
811 if test "$with_socks" != yes
813 LDFLAGS="$LDFLAGS -L$with_socks"
815 AC_CHECK_LIB(socks, Rconnect,,
816 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
818 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
819 CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
823 ### use option --with-socks5=DIR to point at SOCKS library
825 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
827 if test "$with_socks5" != no
829 if test "$with_socks5" != yes
831 LDFLAGS="$LDFLAGS -L$with_socks5"
833 ac_savedLDFLAGS="$LDFLAGS"
834 LDFLAGS="$LDFLAGS $LDFLAGS"
835 AC_CHECK_LIB(socks5, SOCKSconnect,,
836 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
837 AC_DEFINE(HAVE_SOCKS)
838 CFLAGS="$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"
839 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
840 LDFLAGS="$ac_savedLDFLAGS"
843 dnl for libesmtp/ modules:
844 ACX_WHICH_GETHOSTBYNAME_R
846 ### use option --with-hesiod=DIR to point at a HESIOD directory
847 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
849 ### use option --with-gssapi=DIR to compile in GSSAPI support
851 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
853 if test "$with_gssapi" != "no"
855 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
857 with_gssapi=$with_kerberos5
860 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
862 CFLAGS="$CFLAGS -I$with_gssapi/include"
863 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
866 dnl obtain gssapi default libs
867 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
868 LIBS="$LIBS `krb5-config --libs gssapi`"
870 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
874 if test "$with_gssapi" = yes ; then
877 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
879 # have roken.h, assume Heimdal
881 NetBSD) LIBS="$LIBS -lkrb5" ;;
882 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
884 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
885 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
888 # no roken.h, assume MIT
889 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
890 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
894 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
895 if test "$with_gssapi" != yes ; then
896 CPPFLAGS="$CPPFLAGS -I$with_gssapi/include"
898 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
899 if test "$ac_cv_header_gssapi_h" = "yes"; then
900 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE,1,Define if you have MIT kerberos))
902 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
906 dnl ,------------------------------------------------------------------
907 dnl Check if we need TRIO
909 if test "$FORCE_TRIO" = "yes" ; then
911 ac_cv_func_vsnprintf=no
912 ac_cv_func_snprintf=no
914 if test "x$ac_cv_func_snprintf" != "xyes" ; then
915 AC_DEFINE(snprintf, trio_snprintf,
916 [Define to trio_snprintf if your system lacks snprintf])
919 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
920 AC_DEFINE(vsnprintf, trio_vsnprintf,
921 [Define to trio_vsnprintf if your system lacks vsnprintf])
924 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
926 dnl TRIO IEEE compiler option for Alpha
928 if test "$needtrio" = 1 ; then
929 AC_MSG_CHECKING(for IEEE compilation options)
930 AC_CACHE_VAL(ac_cv_ieee_option, [
932 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
933 # error "Option needed"
935 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
937 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
938 # error "Option needed"
940 ],ac_cv_ieee_option="-ieee",
942 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
943 # error "Option needed"
945 ],ac_cv_ieee_option="-mieee",
946 ac_cv_ieee_option="none"
951 AC_MSG_RESULT($ac_cv_ieee_option)
952 if test $ac_cv_ieee_option != none; then
953 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
956 dnl ----------------------------------------------------------------'
958 AC_CONFIG_FILES([Makefile po/Makefile.in genlsm.sh])
962 dnl comment-start: "dnl "
964 dnl comment-start-skip: "\\bdnl\\b\\s *"
965 dnl compile-command: "make configure config.h.in"