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],[6.3.4+svn],[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 sigprocmask dnl
142 sigaction strdup setlocale)
144 AC_CHECK_DECLS(strerror)
146 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
147 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
148 # library. So don't add -lresolv to the link list unless it's necessary
149 # (It will be necessary when using GNU libc6).
151 for lib in '' -lresolv; do
152 if test -z "$lib"; then
153 AC_MSG_CHECKING([for res_search in libc])
155 AC_MSG_CHECKING([for res_search in $lib])
157 LIBS="$old_LIBS $lib"
158 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
159 #include <sys/types.h>
160 #ifdef HAVE_NETINET_IN_H
161 #include <netinet/in.h>
163 #ifdef HAVE_ARPA_NAMESER_H
164 #include <arpa/nameser.h>
169 extern int res_search();
170 ]], [[res_search(0, 0, 0, 0, 0);]])],
171 [AC_MSG_RESULT([found])
172 AC_DEFINE(HAVE_RES_SEARCH, [1],
173 [Define to 1 if you have the 'res_search' function.])
174 break], [AC_MSG_RESULT([not found])])
178 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
179 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
181 dnl Check for RSA refersence library in case we're using SSL
182 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
184 dnl AC_FUNC_SETVBUF_REVERSED
186 dnl Check for usable void pointer type
187 AC_MSG_CHECKING(use of void pointer type)
188 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
190 p = (char *) xmalloc(1);
191 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
193 dnl Check for ANSI volatile
196 dnl Check out the wait reality. We have to assume sys/wait.h is present.
197 AC_CHECK_FUNCS(waitpid wait3)
198 AC_MSG_CHECKING(for union wait);
199 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
200 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
202 /* Some POSIXoid systems have both the new-style macros and the old
203 union wait type, and they do not work together. If union wait
204 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
205 if (WEXITSTATUS (status) != 0) pid = -1;
208 /* Make sure union wait works with waitpid. */
209 pid = waitpid (-1, &status, 0);
211 ]])],[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)])
213 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
214 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
215 /* NetBSD declares sys_siglist in <unistd.h>. */
218 #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)])
220 # Find the right directory to put the root-mode PID file in
221 for dir in "/var/run" "/etc"
228 AC_MSG_RESULT(root-mode pid file will go in $dir)
229 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
231 # We may have a fallback MDA available in case the socket open to the
232 # local SMTP listener fails. Best to use procmail for this, as we know
233 # it won't try delivering through local SMTP and cause a mail loop.
234 # Sendmail without the -t option to use the message headers will work too,
235 # not just for sendmail itself but for workalikes like exim.
237 # Note1: A disadvantage of using procmail is that local alias expansion
238 # according to /etc/aliases won't get done if we fall back. This doesn't
239 # matter in single-drop mode.
241 # Note2: it would be a very bad idea to use any MDA that doesn't return
242 # a refuse-to-deliver status on disk- or process-table-full
243 # conditions; mail could get lost that way. Sendmail and all of the MDAs
244 # like exim that might be lurking under a sendmail alias) do the right
245 # thing in this circumstance. Matthias Andree warns that procmail does
248 # Note3: Defalt value of fallback is now off. Matthias writes:
250 # 1. there is no way to predict when the fallback is used. With some MTAs
251 # (such as those limiting load average), outer circumstances can cause
252 # the fallback to kick in.
254 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
255 # not only about alias expansion, .forwards to special filters won't
256 # work, mail may end up in a different place (users claim "mail loss"
259 # 3. The claim procmail did the right thing with its exit codes is plain
260 # wrong. I've seen procmail exit with code 1 when it should have exited
261 # with code 75, like, configuration errors. Procmail is a dangerous
262 # beast and is best replaced by maildrop.
264 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
265 # cannot tell which one it should choose. Say, your MTA is configured
266 # to use maildrop to deliver to user's mailboxes, if fetchmail then
267 # chooses procmail, this is plain wrong.
270 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
271 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
272 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
274 ### use option --disable-fallback to disable fallback MDA
275 ### use option --enable-fallback=procmail or
276 ### --enable-fallback=sendmail to select
277 AC_ARG_ENABLE(fallback,
278 [ --enable-fallback=procmail enable procmail as fallback
279 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
280 --enable-fallback=maildrop enable maildrop as fallback
281 --enable-fallback=no disable fallback],,[enable_fallback=no])
283 case "$enable_fallback" in
284 sendmail) if test -z "$sendmail" ; then
285 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
288 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
289 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
291 procmail) if test -z "$procmail" ; then
292 AC_MSG_ERROR([procmail selected as fallback, but not found])
295 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
296 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
298 maildrop) if test -z "$maildrop" ; then
299 AC_MSG_ERROR([maildrop selected as fallback, but not found])
302 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
303 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
305 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
307 auto|yes|set) if test -n "$sendmail" ; then
308 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
309 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
311 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
312 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
315 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
320 AC_CHECK_SIZEOF(short)
322 AC_CHECK_SIZEOF(long)
324 ### use option --enable-POP2 to compile in the POP2 support
326 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
327 [with_POP2=$enableval],
329 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
331 ### use option --disable-POP3 to omit the POP3 support
333 [ --disable-POP3 don't compile in POP3 protocol support],
334 [with_POP3=$enableval],
336 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
338 ### use option --disable-IMAP to omit the IMAP support
340 [ --disable-IMAP don't compile in IMAP protocol support],
341 [with_IMAP=$enableval],
343 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,"Define if you want IMAP support compiled in")
345 ### use option --disable-ETRN to omit the ETRN support
347 [ --disable-ETRN don't compile in ETRN protocol support],
348 [with_ETRN=$enableval],
350 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
352 ### use option --disable-ODMR to omit the ODMR support
354 [ --disable-ODMR don't compile in ODMR protocol support],
355 [with_ODMR=$enableval],
357 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
359 ### use option --enable-RPA to compile in the RPA support
361 [ --enable-RPA compile in RPA protocol support],
362 [with_RPA=$enableval],
364 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
366 ### use option --enable-NTLM to compile in the NTLM support
368 [ --enable-NTLM compile in NTLM authentication support],
369 [with_NTLM=$enableval],
371 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
373 ### use option --enable-SDPS to compile in the SDPS support
375 [ --enable-SDPS compile in SDPS protocol support],
376 [with_SDPS=$enableval],
378 if test "$with_SDPS" = yes ; then
379 if test "$with_POP3" != yes ; then
380 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
383 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
387 ### use option --enable-opie to compile in the OPIE support
389 [ --enable-opie support OTP through the OPIE library],
390 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
391 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
392 with_opie=$enableval],
394 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
396 AC_SEARCH_LIBS(getaddrinfo, inet6, [AC_DEFINE(HAVE_GETADDRINFO,1,[define to 1 if you have the getaddrinfo function])])
397 AC_CHECK_FUNCS(getnameinfo)
399 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
401 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
402 # OpenSSL support (Debian's is)
403 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
404 # I don't know if this is 100% correct, but now at least IMAP and POP3
405 # behave the same way regarding kerberosV.
406 # * Build without any fuss for both kerberosIV and V at the same time.
407 # * Move all the kerberos header mess to kerberos.h, and #include that
408 # in driver.c and kerberos.c.
410 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
411 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
412 # the MIT reference implementation of KerberosV (all as packaged in Debian).
414 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
415 ### make sure --with-ssl is run before --with-kerberos* !
416 AC_ARG_WITH(kerberos5,
417 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
419 if test "$with_kerberos5" != "no"
421 # Check for a OpenBSD special case
422 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
424 AS_MESSAGE(checking kerberosV for OpenBSD...)
425 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
426 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
427 CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
428 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
429 elif krb5-config 2> /dev/null >/dev/null ; then
430 krb5_prefix=`krb5-config --prefix krb5`
431 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
432 if test -f ${krb5_prefix}/include/et/com_err.h && \
433 ! test -f ${krb5_prefix}/include/com_err.h ; then
434 CEFLAGS="$CEFLAGS -I${krb5_prefix}/include/et"
437 CEFLAGS="$CEFLAGS `krb5-config --cflags krb5`"
438 LIBS="$LIBS `krb5-config --libs krb5`"
439 AC_DEFINE(KERBEROS_V5)
441 if test "$with_kerberos5" != "yes"
443 LDEFLAGS="$LDEFLAGS -L${with_kerberos5}/lib"
444 searchdirs="$with_kerberos5"
446 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
449 for dir in $searchdirs
450 do AC_MSG_CHECKING([for Kerberos V in $dir])
451 if test -f "$dir/include/krb5.h" || test -f "$dir/include/krb5/krb5.h"
453 if test -d "$dir/include/krb5" ; then CPFLAGS="$CPFLAGS -I$dir/include/krb5" ; fi
455 if test -f "$dir/include/roken.h" || test -f "$dir/include/krb5/roken.h"
457 ac_krblibs="-lasn1 -lroken -lcom_err"
458 AC_MSG_RESULT([Heimdal found])
459 dnl Attempt to detect if we need to -ldb2 to link Heimdal
460 dnl we assume we do if it is available
461 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
463 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
464 AC_CHECK_LIB(ssl, MD5_Init, [],
465 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
466 ${LDEFLAGS} ${ac_krblibs}),
467 ${LDEFLAGS} ${ac_krblibs})
470 AC_MSG_RESULT([found])
471 ac_krblibs="-lcom_err"
473 krb5_des_string_to_key,
474 libk5crypto=-lcrypto,
475 AC_CHECK_LIB(k5crypto,
476 krb5_des_string_to_key,
477 libk5crypto=-lk5crypto,
478 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
479 ${LDEFLAGS} ${ac_krblibs}),
480 ${LDEFLAGS} ${ac_krblibs})
482 AC_CHECK_LIB(krb5, krb5_init_context,[],
484 ${LDEFLAGS} ${ac_krblibs})
485 AC_DEFINE(KERBEROS_V5)
486 test "$dir" != "/usr" && CEFLAGS="$CEFLAGS -I$dir/include"
487 LDEFLAGS="$LDEFLAGS -L$dir/lib"
488 LIBS="$LIBS $ac_krblibs $libk5crypto"
492 AC_MSG_RESULT([not found])
495 if test -z "$with_kerberos5" ; then
496 AC_MSG_ERROR([Kerberos 5 libraries not found])
500 ]) dnl --with-kerberos5=DIR
502 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
503 AC_ARG_WITH(kerberos,
504 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
506 if test "$with_kerberos" != "no"
508 AC_MSG_WARN([Kerberos IV support is obsolete. Use --with-kerberos5 if possible.])
509 # Check for a NetBSD/OpenBSD special case
510 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
512 AS_MESSAGE(checking kerberosIV for `uname`...)
513 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
514 CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
516 NetBSD) LIBS="$LIBS -lkrb -ldes -lroken -lcom_err" ;;
517 OpenBSD) LIBS="$LIBS -lkrb -ldes" ;;
519 elif krb4-config 2> /dev/null >/dev/null ; then
520 krb4_prefix=`krb4-config --prefix`
521 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
523 CEFLAGS="$CEFLAGS `krb4-config --cflags`"
524 LIBS="$LIBS `krb4-config --libs`"
525 AC_DEFINE(KERBEROS_V4)
526 elif krb5-config 2> /dev/null >/dev/null ; then
527 krb4_prefix=`krb5-config --prefix krb4`
528 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
529 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
530 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
533 CEFLAGS="$CEFLAGS `krb5-config --cflags krb4`"
534 LIBS="$LIBS `krb5-config --libs krb4`"
535 AC_DEFINE(KERBEROS_V4)
537 #we need to detect when we're building under a kerberosV compatibility
539 if test "$with_kerberos" != "yes" ; then
540 searchdirs="$with_kerberos"
542 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
545 ac_saveLDFLAGS="$LDFLAGS"
546 for dir in $searchdirs
548 AC_MSG_CHECKING([for Kerberos IV in $dir])
549 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
550 || test -f "$dir/include/kerberosIV/krb.h"
552 AC_MSG_RESULT([found])
554 AC_MSG_RESULT([not found])
558 if test -f "$with_kerberos5/roken.h" ; then
559 AC_CHECK_LIB(45, krb_mk_req)
561 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
562 if test `uname` = "FreeBSD"; then
563 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
565 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
567 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
569 if test -f "$dir/include/kerberosIV/krb.h" ; then
570 dir="$dir/include/kerberosIV"
574 AC_DEFINE(KERBEROS_V4)
575 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
576 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
577 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
580 if test -z "$with_kerberos" ; then
581 AC_MSG_ERROR([Kerberos 4 libraries not found])
583 LDFLAGS="$ac_saveLDFLAGS"
586 ]) dnl --with-kerberos=DIR
588 ### use option --with-ssl to compile in the SSL support
590 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
593 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
595 if test "$with_ssl" = "yes"
597 # User didn't specify an SSL location. Let's look at some common
598 # directories where SSL has been found in the past and try and auto
599 # configure for SSL. OpenSSL determination will be made later.
600 # This will screw up if an OpenSSL install is located in a later
601 # directory than an older SSLeay install, but the user should fix that
602 # anyways and he can override on the configure line.
603 # Just testing for directories is not sufficient, /usr exists on
615 if test -r "$ac_dir/include/openssl/ssl.h" ; then
622 if test -n "$with_ssl" -a "$with_ssl" != "no"
624 # With the autoconfigure above, the only time this is going to be
625 # true is going to be when we could not find the headers. If they
626 # are not in system standard locations, we are going to be broken.
627 if test "$with_ssl" = "yes"
629 # Let's just define the standard location for the SSLeay root
630 with_ssl="/usr/local/ssl"
632 if test -r $with_ssl/include/openssl/ssl.h
634 ### ssl.h found under openssl. Use openssl configuration preferentially,
635 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
636 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
637 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
638 ### force the Kerberos direcory onto the include path so it will build.
639 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
640 ### OpenBSD comes with ssl headers
642 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
644 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
645 LIBS="$LIBS -lssl -lcrypto"
646 dnl check if -ldl is needed
647 AC_MSG_CHECKING([for additional library dependencies of SSL])
650 for i in "" "-ldl" ; do
651 LIBS="$LDEFLAGS $save_LIBS $i"
652 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],[found=1; break])
654 if test $found = 0 ; then
655 AC_MSG_RESULT([error])
656 AC_MSG_ERROR([cannot link with SSL - check config.log])
659 if test "$i" = "" ; then i="(none)" ; fi
661 dnl XXX FIXME: use pkg-config if available!
662 AC_DEFINE(SSL_ENABLE)
664 AC_MSG_NOTICE(Disabling SSL support.)
667 ### use option --with-socks=DIR to point at SOCKS library
669 [ --with-socks[=DIR] add built-in SOCKS firewall access],
671 if test "$with_socks" != no
673 if test "$with_socks" != yes
675 LDEFLAGS="$LDEFLAGS -L$with_socks"
677 AC_CHECK_LIB(socks, Rconnect,,
678 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
680 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
681 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
685 ### use option --with-socks5=DIR to point at SOCKS library
687 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
689 if test "$with_socks5" != no
691 if test "$with_socks5" != yes
693 LDEFLAGS="$LDEFLAGS -L$with_socks5"
695 ac_savedLDFLAGS="$LDFLAGS"
696 LDFLAGS="$LDEFLAGS $LDFLAGS"
697 AC_CHECK_LIB(socks5, SOCKSconnect,,
698 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
699 AC_DEFINE(HAVE_SOCKS)
700 CEFLAGS="$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"
701 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
702 LDFLAGS="$ac_savedLDFLAGS"
705 ACX_WHICH_GETHOSTBYNAME_R
707 ### use option --with-hesiod=DIR to point at a HESIOD directory
708 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
710 ### use option --with-gssapi=DIR to compile in GSSAPI support
712 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
714 if test "$with_gssapi" != "no"
716 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
718 with_gssapi=$with_kerberos5
721 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
723 CFLAGS="$CFLAGS -I$with_gssapi/include"
724 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
727 dnl obtain gssapi default libs
728 if krb5-config --libs gssapi 2>/dev/null >/dev/null ; then
729 LIBS="$LIBS `krb5-config --libs gssapi`"
731 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
735 if test "$with_gssapi" = yes ; then
738 if test -f "$with_gssapi/include/roken.h" -o -f "$with_gssapi/include/krb5/roken.h"
740 # have roken.h, assume Heimdal
742 NetBSD) LIBS="$LIBS -lkrb5" ;;
743 *) LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl" ;;
745 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
746 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
749 # no roken.h, assume MIT
750 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
751 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
755 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
756 if test "$with_gssapi" != yes ; then
757 CPPFLAGS="-I$with_gssapi/include"
759 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
760 if test "$ac_cv_header_gssapi_h" = "yes"; then
761 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))
763 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
771 dnl ,------------------------------------------------------------------
772 dnl Check if we need TRIO
774 if test "$FORCE_TRIO" = "yes" ; then
776 ac_cv_func_vsnprintf=no
777 ac_cv_func_snprintf=no
779 if test "x$ac_cv_func_snprintf" != "xyes" ; then
780 AC_DEFINE(snprintf, trio_snprintf,
781 [Define to trio_snprintf if your system lacks snprintf])
784 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
785 AC_DEFINE(vsnprintf, trio_vsnprintf,
786 [Define to trio_vsnprintf if your system lacks vsnprintf])
789 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
791 dnl TRIO IEEE compiler option for Alpha
793 if test "$needtrio" = 1 ; then
794 AC_MSG_CHECKING(for IEEE compilation options)
795 AC_CACHE_VAL(ac_cv_ieee_option, [
797 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
798 # error "Option needed"
800 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
802 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
803 # error "Option needed"
805 ],ac_cv_ieee_option="-ieee",
807 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
808 # error "Option needed"
810 ],ac_cv_ieee_option="-mieee",
811 ac_cv_ieee_option="none"
816 AC_MSG_RESULT($ac_cv_ieee_option)
817 if test $ac_cv_ieee_option != none; then
818 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
821 dnl ----------------------------------------------------------------'
823 AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in genlsm.sh])
827 dnl comment-start: "dnl "
829 dnl comment-start-skip: "\\bdnl\\b\\s *"
830 dnl compile-command: "make configure config.h.in"