1 dnl Autoconfigure input file for fetchmail
2 dnl Eric S. Raymond <esr@thyrsus.com>
3 dnl Matthias Andree <matthias.andree@gmx.de>
5 dnl Process this file with autoconf to produce a configure script.
8 AC_INIT([fetchmail],[6.3.6-rc2],[fetchmail-users@lists.berlios.de])
9 AC_CONFIG_SRCDIR([fetchmail.h])
10 AC_CONFIG_HEADERS([config.h])
11 AC_CONFIG_LIBOBJ_DIR([.])
15 dnl automake options are in Makefile.am
19 dnl autobuild support, see <http://josefsson.org/autobuild/>
26 dnl python is optional
27 AM_PATH_PYTHON(2.0,,AC_MSG_WARN([Disabling fetchmailconf: python 2.0 or greater not found]))
28 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
33 AC_PROG_CPP dnl Later checks need this.
44 AC_CHECK_TYPE(u_int32_t,unsigned int)
45 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
46 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
47 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h \
48 sys/select.h sys/socket.h sys/time.h langinfo.h])
49 AC_CHECK_HEADERS([resolv.h],,,[
50 #include <sys/types.h>
51 #ifdef HAVE_NETINET_IN_H
52 #include <netinet/in.h>
54 #ifdef HAVE_ARPA_NAMESER_H
55 #include <arpa/nameser.h>
59 AC_C_CONST dnl getopt needs this.
65 # Check for OS special cases
68 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
69 CPFLAGS="-DBIND_8_COMPAT"
71 # Check for FreeBSD special case: more libs needed
73 AC_MSG_NOTICE(found FreeBSD - Adding -lmd -lkvm -lcom_err to standard libraries)
74 LIBS="$LIBS -lmd -lkvm -lcom_err"
76 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
79 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
81 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
82 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
83 CPFLAGS="-I/usr/include"
85 # Check for Rhapsody special case: it doesn't like -s
87 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
88 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
93 AM_GNU_GETTEXT([external], [need-ngettext])
94 AM_GNU_GETTEXT_VERSION(0.14.3)
97 # Under sysV68, socket and friends are provided by the C library.
98 # -linet does not provide socket, but causes multiple definition
99 # errors at link-time. It is thus better to only use the C library.
100 # So don't add -linet to the link list unless it's necessary
101 AC_CHECK_FUNC(socket,
102 AC_MSG_RESULT(using libc's socket),
103 AC_CHECK_LIB(socket,socket)
104 AC_CHECK_LIB(inet,socket))
106 # The condition in this test copes with the presence of inet_addr in libc6.
107 AC_CHECK_FUNC(inet_addr,
108 AC_MSG_RESULT(using libc's inet_addr),
109 AC_CHECK_LIB(nsl,inet_addr))
111 dnl Port hack for Interactive UNIX System V/386 Release 3.2
112 AC_CHECK_LIB(cposix, strchr,
113 [DEFS="$DEFS -D_SYSV3"
114 LIBS="$LIBS -lcposix"])
116 dnl Port hack for Sparc/NetBSD-1.5
118 dnl NB: this has been disabled as it causes the unconditional
119 dnl addition of libintl to the build, which is both undesired
120 dnl and breaks on Solaris/Blastwave.org machines.
122 dnl AC_CHECK_LIB(intl, gettext,
123 dnl [LIBS="$LIBS -lintl"])
125 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
127 AC_CHECK_FUNC(MD5Init, [],
128 [AC_LIBSOURCE(md5c.c)
129 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
131 AC_CHECK_FUNC(getopt_long, [],
132 [AC_LIBSOURCES([getopt.c, getopt1.c])
133 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
139 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
140 strerror syslog snprintf vprintf vsnprintf vsyslog dnl
141 atexit inet_aton strftime setrlimit socketpair dnl
142 sigaction strdup setlocale)
144 AC_CHECK_DECLS(strerror)
145 dnl INET6 is used by KAME/getnameinfo
146 AC_CACHE_CHECK(for AF_INET6/PF_INET6,ac_cv_inet6,
149 #ifdef HAVE_SYS_TYPES_H
150 #include <sys/types.h>
152 #ifdef HAVE_SYS_SOCKET_H
153 #include <sys/socket.h>
159 ac_cv_inet6=yes , ac_cv_inet6=no
161 if test "x$ac_cv_inet6" = xyes
163 AC_DEFINE(INET6,1,Define to 1 if your system defines AF_INET6 and PF_INET6.)
166 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
167 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
168 # library. So don't add -lresolv to the link list unless it's necessary
169 # (It will be necessary when using GNU libc6).
171 for lib in '' -lresolv; do
172 if test -z "$lib"; then
173 AC_MSG_CHECKING([for res_search in libc])
175 AC_MSG_CHECKING([for res_search in $lib])
177 LIBS="$old_LIBS $lib"
178 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
179 #include <sys/types.h>
180 #ifdef HAVE_NETINET_IN_H
181 #include <netinet/in.h>
183 #ifdef HAVE_ARPA_NAMESER_H
184 #include <arpa/nameser.h>
189 extern int res_search();
190 ]], [[res_search(0, 0, 0, 0, 0);]])],
191 [AC_MSG_RESULT([found])
192 AC_DEFINE(HAVE_RES_SEARCH, [1],
193 [Define to 1 if you have the 'res_search' function.])
194 break], [AC_MSG_RESULT([not found])])
198 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
199 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
201 dnl Check for RSA refersence library in case we're using SSL
202 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
204 dnl AC_FUNC_SETVBUF_REVERSED
206 dnl Check for usable void pointer type
207 AC_MSG_CHECKING(use of void pointer type)
208 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
210 p = (char *) xmalloc(1);
211 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
213 dnl Check for ANSI volatile
216 dnl Check out the wait reality. We have to assume sys/wait.h is present.
217 AC_CHECK_FUNCS(waitpid wait3)
218 AC_MSG_CHECKING(for union wait);
219 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
220 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
222 /* Some POSIXoid systems have both the new-style macros and the old
223 union wait type, and they do not work together. If union wait
224 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
225 if (WEXITSTATUS (status) != 0) pid = -1;
228 /* Make sure union wait works with waitpid. */
229 pid = waitpid (-1, &status, 0);
231 ]])],[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)])
233 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
234 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
235 /* NetBSD declares sys_siglist in <unistd.h>. */
238 #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)])
240 # Find the right directory to put the root-mode PID file in
241 for dir in "/var/run" "/etc"
248 AC_MSG_RESULT(root-mode pid file will go in $dir)
249 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
251 # We may have a fallback MDA available in case the socket open to the
252 # local SMTP listener fails. Best to use procmail for this, as we know
253 # it won't try delivering through local SMTP and cause a mail loop.
254 # Sendmail without the -t option to use the message headers will work too,
255 # not just for sendmail itself but for workalikes like exim.
257 # Note1: A disadvantage of using procmail is that local alias expansion
258 # according to /etc/aliases won't get done if we fall back. This doesn't
259 # matter in single-drop mode.
261 # Note2: it would be a very bad idea to use any MDA that doesn't return
262 # a refuse-to-deliver status on disk- or process-table-full
263 # conditions; mail could get lost that way. Sendmail and all of the MDAs
264 # like exim that might be lurking under a sendmail alias) do the right
265 # thing in this circumstance. Matthias Andree warns that procmail does
268 # Note3: Defalt value of fallback is now off. Matthias writes:
270 # 1. there is no way to predict when the fallback is used. With some MTAs
271 # (such as those limiting load average), outer circumstances can cause
272 # the fallback to kick in.
274 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
275 # not only about alias expansion, .forwards to special filters won't
276 # work, mail may end up in a different place (users claim "mail loss"
279 # 3. The claim procmail did the right thing with its exit codes is plain
280 # wrong. I've seen procmail exit with code 1 when it should have exited
281 # with code 75, like, configuration errors. Procmail is a dangerous
282 # beast and is best replaced by maildrop.
284 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
285 # cannot tell which one it should choose. Say, your MTA is configured
286 # to use maildrop to deliver to user's mailboxes, if fetchmail then
287 # chooses procmail, this is plain wrong.
290 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
291 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
292 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
294 ### use option --disable-fallback to disable fallback MDA
295 ### use option --enable-fallback=procmail or
296 ### --enable-fallback=sendmail to select
297 AC_ARG_ENABLE(fallback,
298 [ --enable-fallback=procmail enable procmail as fallback
299 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
300 --enable-fallback=maildrop enable maildrop as fallback
301 --enable-fallback=no disable fallback],,[enable_fallback=no])
303 case "$enable_fallback" in
304 sendmail) if test -z "$sendmail" ; then
305 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
308 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
309 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
311 procmail) if test -z "$procmail" ; then
312 AC_MSG_ERROR([procmail selected as fallback, but not found])
315 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
316 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
318 maildrop) if test -z "$maildrop" ; then
319 AC_MSG_ERROR([maildrop selected as fallback, but not found])
322 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
323 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
325 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
327 auto|yes|set) if test -n "$sendmail" ; then
328 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
329 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
331 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
332 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
335 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
340 AC_CHECK_SIZEOF(short)
342 AC_CHECK_SIZEOF(long)
344 ### use option --enable-POP2 to compile in the POP2 support
346 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
347 [with_POP2=$enableval],
349 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
350 AM_CONDITIONAL(POP2_ENABLE, test "$with_POP2" = yes)
352 ### use option --disable-POP3 to omit the POP3 support
354 [ --disable-POP3 don't compile in POP3 protocol support],
355 [with_POP3=$enableval],
357 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
358 AM_CONDITIONAL(POP3_ENABLE, test "$with_POP3" = yes)
360 ### use option --disable-IMAP to omit the IMAP support
362 [ --disable-IMAP don't compile in IMAP protocol support],
363 [with_IMAP=$enableval],
365 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,Define if you want IMAP support compiled in)
366 AM_CONDITIONAL(IMAP_ENABLE, test "$with_IMAP" = yes)
368 ### use option --disable-ETRN to omit the ETRN support
370 [ --disable-ETRN don't compile in ETRN protocol support],
371 [with_ETRN=$enableval],
373 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
374 AM_CONDITIONAL(ETRN_ENABLE, test "$with_ETRN" = yes)
376 ### use option --disable-ODMR to omit the ODMR support
378 [ --disable-ODMR don't compile in ODMR protocol support],
379 [with_ODMR=$enableval],
381 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
382 AM_CONDITIONAL(ODMR_ENABLE, test "$with_ODMR" = yes)
384 ### use option --enable-RPA to compile in the RPA support
386 [ --enable-RPA compile in RPA protocol support],
387 [with_RPA=$enableval],
389 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
390 AM_CONDITIONAL(RPA_ENABLE, test "$with_RPA" = yes)
392 ### use option --enable-NTLM to compile in the NTLM support
394 [ --enable-NTLM compile in NTLM authentication support],
395 [with_NTLM=$enableval],
397 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
399 ### use option --enable-SDPS to compile in the SDPS support
401 [ --enable-SDPS compile in SDPS protocol support],
402 [with_SDPS=$enableval],
404 if test "$with_SDPS" = yes ; then
405 if test "$with_POP3" != yes ; then
406 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
409 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
412 if test "$with_POP3" != yes && test "$with_POP2" != yes \
413 && test "$with_IMAP" != yes ; then
414 AC_MSG_ERROR([You must enable at least one of POP2, POP3 and IMAP.])
417 ### use option --enable-opie to compile in the OPIE support
419 [ --enable-opie support OTP through the OPIE library],
420 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
421 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
422 with_opie=$enableval],
424 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
426 AC_SEARCH_LIBS(getaddrinfo, inet6, [AC_DEFINE(HAVE_GETADDRINFO,1,[define to 1 if you have the getaddrinfo function])])
427 AC_CHECK_FUNCS(getnameinfo inet_ntop)
428 AM_CONDITIONAL(NEED_GETADDRINFO, test "$ac_cv_search_getaddrinfo" != "none required")
429 AM_CONDITIONAL(NEED_GETNAMEINFO, test "$ac_cv_func_getnameinfo" != yes)
431 dnl Check if getaddrinfo is async-signal-safe - most implementations aren't
432 if test "$ac_cv_search_getaddrinfo" = "none required" ; then
433 AC_MSG_CHECKING(if your getaddrinfo is async-signal-safe)
435 dnl we have getaddrinfo() - check if the OS is known to have a async-signal-safe implementation
437 linux*) gai_ts=yes ;;
438 freebsd5.5|freebsd6*|freebsd7*) gai_ts=yes ;;
439 solaris2.8|solaris2.9|solaris2.10) gai_ts=yes ;;
441 AC_MSG_RESULT($gai_ts)
442 if test $gai_ts = yes ; then
443 AC_DEFINE(GETADDRINFO_ASYNCSAFE, 1, [define to 1 if you know your getaddrinfo function is async-signal-safe])
447 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
449 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
450 # OpenSSL support (Debian's is)
451 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
452 # I don't know if this is 100% correct, but now at least IMAP and POP3
453 # behave the same way regarding kerberosV.
454 # * Build without any fuss for both kerberosIV and V at the same time.
455 # * Move all the kerberos header mess to kerberos.h, and #include that
456 # in driver.c and kerberos.c.
458 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
459 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
460 # the MIT reference implementation of KerberosV (all as packaged in Debian).
462 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
463 ### make sure --with-ssl is run before --with-kerberos* !
464 AC_ARG_WITH(kerberos5,
465 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
467 if test "$with_kerberos5" != "no"
469 # Check for a OpenBSD special case
470 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
472 AS_MESSAGE(checking kerberosV for OpenBSD...)
473 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
474 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
475 CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
476 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
477 elif krb5-config 2> /dev/null >/dev/null ; then
478 krb5_prefix=`krb5-config --prefix krb5`
479 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
480 if test -f ${krb5_prefix}/include/et/com_err.h && \
481 ! test -f ${krb5_prefix}/include/com_err.h ; then
482 CEFLAGS="$CEFLAGS -I${krb5_prefix}/include/et"
485 CEFLAGS="$CEFLAGS `krb5-config --cflags krb5`"
486 LIBS="$LIBS `krb5-config --libs krb5`"
487 AC_DEFINE(KERBEROS_V5)
489 if test "$with_kerberos5" != "yes"
491 LDEFLAGS="$LDEFLAGS -L${with_kerberos5}/lib"
492 searchdirs="$with_kerberos5"
494 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
497 for dir in $searchdirs
498 do AC_MSG_CHECKING([for Kerberos V in $dir])
499 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
501 if test -d "$dir/include/krb5" ; then CPFLAGS="$CPFLAGS -I$dir/include/krb5" ; fi
503 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
505 ac_krblibs="-lasn1 -lroken -lcom_err"
506 AC_MSG_RESULT([Heimdal found])
507 dnl Attempt to detect if we need to -ldb2 to link Heimdal
508 dnl we assume we do if it is available
509 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
511 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
512 AC_CHECK_LIB(ssl, MD5_Init, [],
513 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
514 ${LDEFLAGS} ${ac_krblibs}),
515 ${LDEFLAGS} ${ac_krblibs})
518 AC_MSG_RESULT([found])
519 ac_krblibs="-lcom_err"
521 krb5_des_string_to_key,
522 libk5crypto=-lcrypto,
523 AC_CHECK_LIB(k5crypto,
524 krb5_des_string_to_key,
525 libk5crypto=-lk5crypto,
526 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
527 ${LDEFLAGS} ${ac_krblibs}),
528 ${LDEFLAGS} ${ac_krblibs})
530 AC_CHECK_LIB(krb5, krb5_init_context,[],
532 ${LDEFLAGS} ${ac_krblibs})
533 AC_DEFINE(KERBEROS_V5)
534 test "$dir" != "/usr" && CEFLAGS="$CEFLAGS -I$dir/include"
535 LDEFLAGS="$LDEFLAGS -L$dir/lib"
536 LIBS="$LIBS $ac_krblibs $libk5crypto"
540 AC_MSG_RESULT([not found])
543 if test -z "$with_kerberos5" ; then
544 AC_MSG_ERROR([Kerberos 5 libraries not found])
548 ]) dnl --with-kerberos5=DIR
550 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
552 AC_ARG_WITH(kerberos,
553 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
555 if test "$with_kerberos" != "no"
557 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
558 # Check for a NetBSD/OpenBSD special case
559 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
561 AS_MESSAGE(checking kerberosIV for `uname`...)
563 CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
565 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
566 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
568 elif krb4-config 2> /dev/null >/dev/null ; then
569 krb4_prefix=`krb4-config --prefix`
570 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
572 CEFLAGS="$CEFLAGS `krb4-config --cflags`"
573 LIBS="$LIBS `krb4-config --libs`"
575 elif krb5-config 2> /dev/null >/dev/null ; then
576 krb4_prefix=`krb5-config --prefix krb4`
577 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
578 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
579 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
582 CEFLAGS="$CEFLAGS `krb5-config --cflags krb4`"
583 LIBS="$LIBS `krb5-config --libs krb4`"
586 #we need to detect when we're building under a kerberosV compatibility
588 if test "$with_kerberos" != "yes" ; then
589 searchdirs="$with_kerberos"
591 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
594 ac_saveLDFLAGS="$LDFLAGS"
595 for dir in $searchdirs
597 AC_MSG_CHECKING([for Kerberos IV in $dir])
598 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
599 || test -f "$dir/include/kerberosIV/krb.h"
601 AC_MSG_RESULT([found])
603 AC_MSG_RESULT([not found])
607 if test -f "$with_kerberos5/roken.h" ; then
608 AC_CHECK_LIB(45, krb_mk_req)
610 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
611 if test `uname` = "FreeBSD"; then
612 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
614 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
616 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
618 if test -f "$dir/include/kerberosIV/krb.h" ; then
619 dir="$dir/include/kerberosIV"
624 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
625 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
626 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
629 if test -z "$with_kerberos" ; then
630 AC_MSG_ERROR([Kerberos 4 libraries not found])
632 LDFLAGS="$ac_saveLDFLAGS"
635 ]) dnl --with-kerberos=DIR
636 if test "$KERBEROS_V4" = 1 ; then
637 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
639 AM_CONDITIONAL(KERBEROS_V4_ENABLE, test "$KERBEROS_V4" = 1)
641 ### use option --with-ssl to compile in the SSL support
643 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
646 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
648 if test "$with_ssl" = "yes"
650 # User didn't specify an SSL location. Let's look at some common
651 # directories where SSL has been found in the past and try and auto
652 # configure for SSL. OpenSSL determination will be made later.
653 # This will screw up if an OpenSSL install is located in a later
654 # directory than an older SSLeay install, but the user should fix that
655 # anyways and he can override on the configure line.
656 # Just testing for directories is not sufficient, /usr exists on
668 if test -r "$ac_dir/include/openssl/ssl.h" ; then
675 if test -n "$with_ssl" -a "$with_ssl" != "no"
677 # With the autoconfigure above, the only time this is going to be
678 # true is going to be when we could not find the headers. If they
679 # are not in system standard locations, we are going to be broken.
680 if test "$with_ssl" = "yes"
682 # Let's just define the standard location for the SSLeay root
683 with_ssl="/usr/local/ssl"
685 if test -r $with_ssl/include/openssl/ssl.h
687 ### ssl.h found under openssl. Use openssl configuration preferentially,
688 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
689 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
690 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
691 ### force the Kerberos direcory onto the include path so it will build.
692 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
693 ### OpenBSD comes with ssl headers
695 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
697 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
698 LIBS="$LIBS -lssl -lcrypto"
699 dnl check if -ldl is needed
700 AC_MSG_CHECKING([for additional library dependencies of SSL])
703 for i in "" "-ldl" ; do
704 LIBS="$LDEFLAGS $save_LIBS $i"
705 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],[found=1; break])
707 if test $found = 0 ; then
708 AC_MSG_RESULT([error])
709 AC_MSG_ERROR([cannot link with SSL - check config.log])
712 if test "$i" = "" ; then i="(none)" ; fi
714 dnl XXX FIXME: use pkg-config if available!
715 AC_DEFINE(SSL_ENABLE)
717 AC_MSG_NOTICE(Disabling SSL support.)
720 ### use option --with-socks=DIR to point at SOCKS library
722 [ --with-socks[=DIR] add built-in SOCKS firewall access],
724 if test "$with_socks" != no
726 if test "$with_socks" != yes
728 LDEFLAGS="$LDEFLAGS -L$with_socks"
730 AC_CHECK_LIB(socks, Rconnect,,
731 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
733 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
734 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
738 ### use option --with-socks5=DIR to point at SOCKS library
740 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
742 if test "$with_socks5" != no
744 if test "$with_socks5" != yes
746 LDEFLAGS="$LDEFLAGS -L$with_socks5"
748 ac_savedLDFLAGS="$LDFLAGS"
749 LDFLAGS="$LDEFLAGS $LDFLAGS"
750 AC_CHECK_LIB(socks5, SOCKSconnect,,
751 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
752 AC_DEFINE(HAVE_SOCKS)
753 CEFLAGS="$CEFLAGS -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"
754 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
755 LDFLAGS="$ac_savedLDFLAGS"
758 ACX_WHICH_GETHOSTBYNAME_R
760 ### use option --with-hesiod=DIR to point at a HESIOD directory
761 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
763 ### use option --with-gssapi=DIR to compile in GSSAPI support
765 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
767 if test "$with_gssapi" != "no"
769 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
771 with_gssapi=$with_kerberos5
774 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
776 CFLAGS="$CFLAGS -I$with_gssapi/include"
777 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
780 dnl obtain gssapi default libs
781 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
782 LIBS="$LIBS `krb5-config --libs gssapi`"
784 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
788 if test "$with_gssapi" = yes ; then
791 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
793 # have roken.h, assume Heimdal
795 NetBSD) LIBS="$LIBS -lkrb5" ;;
796 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
798 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
799 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
802 # no roken.h, assume MIT
803 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
804 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
808 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
809 if test "$with_gssapi" != yes ; then
810 CPPFLAGS="-I$with_gssapi/include"
812 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
813 if test "$ac_cv_header_gssapi_h" = "yes"; then
814 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))
816 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
824 dnl ,------------------------------------------------------------------
825 dnl Check if we need TRIO
827 if test "$FORCE_TRIO" = "yes" ; then
829 ac_cv_func_vsnprintf=no
830 ac_cv_func_snprintf=no
832 if test "x$ac_cv_func_snprintf" != "xyes" ; then
833 AC_DEFINE(snprintf, trio_snprintf,
834 [Define to trio_snprintf if your system lacks snprintf])
837 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
838 AC_DEFINE(vsnprintf, trio_vsnprintf,
839 [Define to trio_vsnprintf if your system lacks vsnprintf])
842 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
844 dnl TRIO IEEE compiler option for Alpha
846 if test "$needtrio" = 1 ; then
847 AC_MSG_CHECKING(for IEEE compilation options)
848 AC_CACHE_VAL(ac_cv_ieee_option, [
850 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
851 # error "Option needed"
853 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
855 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
856 # error "Option needed"
858 ],ac_cv_ieee_option="-ieee",
860 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
861 # error "Option needed"
863 ],ac_cv_ieee_option="-mieee",
864 ac_cv_ieee_option="none"
869 AC_MSG_RESULT($ac_cv_ieee_option)
870 if test $ac_cv_ieee_option != none; then
871 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
874 dnl ----------------------------------------------------------------'
876 AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in genlsm.sh])
880 dnl comment-start: "dnl "
882 dnl comment-start-skip: "\\bdnl\\b\\s *"
883 dnl compile-command: "make configure config.h.in"