1 dnl Autoconfigure input file for fetchmail
2 dnl Eric S. Raymond <esr@thyrsus.com>
4 dnl Process this file with autoconf to produce a configure script.
7 AC_INIT([fetchmail],[6.2.6-pre9])
8 AC_CONFIG_SRCDIR([fetchmail.h])
9 AC_CONFIG_HEADERS([config.h])
10 AC_CONFIG_LIBOBJ_DIR([.])
12 dnl we may need a newer automake version - the oldest tested is 1.7
14 AM_INIT_AUTOMAKE(1.5 foreign no-installinfo)
19 AC_PROG_CPP dnl Later checks need this.
30 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
31 alloca.h sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
32 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h \
33 sys/select.h sys/socket.h sys/time.h langinfo.h])
34 AC_CHECK_HEADERS([resolv.h],,,[
35 #include <sys/types.h>
36 #ifdef HAVE_NETINET_IN_H
37 #include <netinet/in.h>
39 #ifdef HAVE_ARPA_NAMESER_H
40 #include <arpa/nameser.h>
44 AC_C_CONST dnl getopt needs this.
52 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
54 if test `uname` = "LynxOS"
56 echo "Adding -lbsd to standard libraries"
59 echo "Prepending standard include path to gcc flags"
60 CPFLAGS="-I/usr/include"
63 # Check for FreeBSD special case: more libs needed
64 if test `uname` = "FreeBSD"
66 echo "Adding -lmd -lkvm -lcom_err to standard libraries"
67 LIBS="$LIBS -lmd -lkvm -lcom_err"
70 # Check for Rhapsody special case: it doesn't like -s
71 if test `uname` = "Rhapsody"
73 echo "Removing -s load flag"
74 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
78 AM_GNU_GETTEXT([external], [need-ngettext])
79 AM_GNU_GETTEXT_VERSION(0.14.1)
82 # Under sysV68, socket and friends are provided by the C library.
83 # -linet does not provide socket, but causes multiple definition
84 # errors at link-time. It is thus better to only use the C library.
85 # So don't add -linet to the link list unless it's necessary
87 AC_MSG_RESULT(using libc's socket),
88 AC_CHECK_LIB(socket,socket)
89 AC_CHECK_LIB(inet,socket))
91 # The condition in this test copes with the presence of inet_addr in libc6.
92 AC_CHECK_FUNC(inet_addr,
93 AC_MSG_RESULT(using libc's inet_addr),
94 AC_CHECK_LIB(nsl,inet_addr))
96 dnl Port hack for Interactive UNIX System V/386 Release 3.2
97 AC_CHECK_LIB(cposix, strchr,
98 [DEFS="$DEFS -D_SYSV3"
99 LIBS="$LIBS -lcposix"])
101 dnl Port hack for Sparc/NetBSD-1.5
102 AC_CHECK_LIB(intl, gettext,
103 [LIBS="$LIBS -lintl"])
105 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
107 AC_CHECK_FUNC(MD5Init, [],
108 [AC_LIBSOURCE(md5c.c)
109 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
111 AC_CHECK_FUNC(getopt_long, [],
112 [AC_LIBSOURCES([getopt.c, getopt1.c])
113 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
118 EXTRAOBJ="$EXTRAOBJ alloca.\$(OBJEXT)"
123 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid gethostbyname \
124 res_search strerror syslog \
125 snprintf vprintf vsnprintf vsyslog \
126 atexit inet_aton strftime setrlimit socketpair sigprocmask sigaction \
129 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
130 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
131 # library. So don't add -lresolv to the link list unless it's necessary
132 # (It will be necessary when using GNU libc6).
133 AC_CHECK_FUNC(res_search,
134 AC_MSG_RESULT(using libc's resolver functions),
135 AC_CHECK_LIB(resolv,res_search,
136 [AC_DEFINE(HAVE_RES_SEARCH) AC_MSG_RESULT(found resolver functions in libresolv); LIBS="$LIBS -lresolv"], AC_MSG_RESULT(no resolver calls found)))
138 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
139 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
141 dnl Check for RSA refersence library in case we're using SSL
142 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
144 dnl AC_FUNC_SETVBUF_REVERSED
146 dnl Check for usable void pointer type
147 AC_MSG_CHECKING(use of void pointer type)
148 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
150 p = (char *) xmalloc(1);
151 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
153 dnl Check for ANSI volatile
156 dnl Check out the wait reality. We have to assume sys/wait.h is present.
157 AC_CHECK_FUNCS(waitpid wait3)
158 AC_MSG_CHECKING(for union wait);
159 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
160 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
162 /* Some POSIXoid systems have both the new-style macros and the old
163 union wait type, and they do not work together. If union wait
164 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
165 if (WEXITSTATUS (status) != 0) pid = -1;
168 /* Make sure union wait works with waitpid. */
169 pid = waitpid (-1, &status, 0);
171 ]])],[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)])
173 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
174 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
175 /* NetBSD declares sys_siglist in <unistd.h>. */
178 #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)])
180 # Find the right directory to put the root-mode PID file in
181 for dir in "/var/run" "/etc"
188 AC_MSG_RESULT(root-mode pid file will go in $dir)
189 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
191 # We may have a fallback MDA available in case the socket open to the
192 # local SMTP listener fails. Best to use procmail for this, as we know
193 # it won't try delivering through local SMTP and cause a mail loop.
194 # Sendmail without the -t option to use the message headers will work too,
195 # not just for sendmail itself but for workalikes like exim.
197 # Note1: A disadvantage of using procmail is that local alias expansion
198 # according to /etc/aliases won't get done if we fall back. This doesn't
199 # matter in single-drop mode.
201 # Note2: it would be a very bad idea to use any MDA that doesn't return
202 # a refuse-to-deliver status on disk- or process-table-full
203 # conditions; mail could get lost that way. Sendmail and all of the MDAs
204 # like exim that might be lurking under a sendmail alias) do the right
205 # thing in this circumstance. Matthias Andree warns that procmail does
208 # Note3: Defalt value of fallback is now off. Matthias writes:
210 # 1. there is no way to predict when the fallback is used. With some MTAs
211 # (such as those limiting load average), outer circumstances can cause
212 # the fallback to kick in.
214 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
215 # not only about alias expansion, .forwards to special filters won't
216 # work, mail may end up in a different place (users claim "mail loss"
219 # 3. The claim procmail did the right thing with its exit codes is plain
220 # wrong. I've seen procmail exit with code 1 when it should have exited
221 # with code 75, like, configuration errors. Procmail is a dangerous
222 # beast and is best replaced by maildrop.
224 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
225 # cannot tell which one it should choose. Say, your MTA is configured
226 # to use maildrop to deliver to user's mailboxes, if fetchmail then
227 # chooses procmail, this is plain wrong.
230 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
231 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
232 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
234 ### use option --disable-fallback to disable fallback MDA
235 ### use option --enable-fallback=procmail or
236 ### --enable-fallback=sendmail to select
237 AC_ARG_ENABLE(fallback,
238 [ --enable-fallback=procmail enable procmail as fallback
239 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
240 --enable-fallback=maildrop enable maildrop as fallback
241 --enable-fallback=no disable fallback],,[enable_fallback=no])
243 case "$enable_fallback" in
244 sendmail) if test -z "$sendmail" ; then
245 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
248 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
249 echo "Will use $sendmail as fallback MDA."
251 procmail) if test -z "$procmail" ; then
252 AC_MSG_ERROR([procmail selected as fallback, but not found])
255 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
256 echo "Will use $procmail as fallback MDA."
258 maildrop) if test -z "$maildrop" ; then
259 AC_MSG_ERROR([maildrop selected as fallback, but not found])
262 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
263 echo "Will use $maildrop as fallback MDA."
265 no|unset) echo "Will not use a fallback MDA"
267 auto|yes|set) if test -n "$sendmail" ; then
268 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
269 echo "Will use $sendmail as fallback MDA."
271 echo "No fallback MDA available. procmail and maildrop are not eligible"
272 echo "for automatic fallback MDA configuration for reliability reasons."
275 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
280 AC_CHECK_SIZEOF(short)
282 AC_CHECK_SIZEOF(long)
284 ### use option --enable-POP2 to compile in the POP2 support
286 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
287 [with_POP2=$enableval],
289 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
291 ### use option --disable-POP3 to omit the POP3 support
293 [ --disable-POP3 don't compile in POP3 protocol support],
294 [with_POP3=$enableval],
296 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
298 ### use option --disable-IMAP to omit the IMAP support
300 [ --disable-IMAP don't compile in IMAP protocol support],
301 [with_IMAP=$enableval],
303 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,"Define if you want IMAP support compiled in")
305 ### use option --disable-ETRN to omit the ETRN support
307 [ --disable-ETRN don't compile in ETRN protocol support],
308 [with_ETRN=$enableval],
310 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
312 ### use option --disable-ODMR to omit the ODMR support
314 [ --disable-ODMR don't compile in ODMR protocol support],
315 [with_ODMR=$enableval],
317 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
319 ### use option --enable-RPA to compile in the RPA support
321 [ --enable-RPA compile in RPA protocol support],
322 [with_RPA=$enableval],
324 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
326 ### use option --enable-NTLM to compile in the NTLM support
328 [ --enable-NTLM compile in NTLM authentication support],
329 [with_NTLM=$enableval],
331 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
333 ### use option --enable-SDPS to compile in the SDPS support
335 [ --enable-SDPS compile in SDPS protocol support],
336 [with_SDPS=$enableval],
338 test "$with_SDPS" = "yes" && AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
340 ### use option --enable-opie to compile in the OPIE support
342 [ --enable-opie support OTP through the OPIE library],
343 [ AC_CHECK_HEADER(opie.h,, [echo 'configure: cannot find <opie.h>, which is required for OPIE support.'; exit 1])
344 AC_CHECK_LIB(opie,opiegenerator,, [echo 'configure: cannot find libopie, which is required for OPIE support.'; exit 1])
345 with_opie=$enableval],
347 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
349 ### XXX FIXME: the inet6-apps library is no longer available,
350 ### http://www.inner.net/pub/ipv6/ states, as of 2005-07-03:
352 ### Our IPv6 software is now long defunct. Please find a more modern
355 [ --enable-inet6 support IPv6],
357 [ AC_CHECK_FUNC(getaddrinfo, [with_inet6=yes],
358 [ LDFLAGS="$LDFLAGS -L/usr/inet6/lib";
359 AC_CHECK_LIB(inet6, getaddrinfo, [with_inet6=yes
360 LIBS="$LIBS -linet6"],
361 [ echo 'configure: cannot find proper glibc version or libinet6,';
362 echo ' which is required for IPv6 support.';
365 test "$with_inet6" = "yes" && AC_DEFINE(INET6_ENABLE,1,Define if you want IPv6 support compiled in)
367 AC_CHECK_FUNCS(inner_connect)
369 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
371 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
372 # OpenSSL support (Debian's is)
373 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
374 # I don't know if this is 100% correct, but now at least IMAP and POP3
375 # behave the same way regarding kerberosV.
376 # * Build without any fuss for both kerberosIV and V at the same time.
377 # * Move all the kerberos header mess to kerberos.h, and #include that
378 # in driver.c and kerberos.c.
380 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
381 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
382 # the MIT reference implementation of KerberosV (all as packaged in Debian).
384 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
385 ### make sure --with-ssl is run before --with-kerberos* !
386 AC_ARG_WITH(kerberos5,
387 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5
390 if test "$with_kerberos5" != "no"
392 # Check for a OpenBSD special case
393 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
395 AS_MESSAGE(checking kerberosV for OpenBSD...)
396 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
397 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
398 CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
399 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
400 elif krb5-config 2> /dev/null >/dev/null ; then
401 krb5_prefix=`krb5-config --prefix krb5`
402 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
403 if test -f ${krb5_prefix}/include/et/com_err.h && \
404 ! test -f ${krb5_prefix}/include/com_err.h ; then
405 CEFLAGS="$CEFLAGS -I${krb5_prefix}/include/et"
408 CEFLAGS="$CEFLAGS `krb5-config --cflags krb5`"
409 LIBS="$LIBS `krb5-config --libs krb5`"
410 AC_DEFINE(KERBEROS_V5)
412 if test "$with_kerberos5" != "yes"
414 LDEFLAGS="$LDEFLAGS -L${with_kerberos5}/lib"
415 searchdirs="$with_kerberos5"
417 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
420 for dir in $searchdirs
421 do AC_MSG_CHECKING([for Kerberos V in $dir])
422 if test -f "$dir/include/krb5.h"
425 if test -f "$dir/include/roken.h"
427 ac_krblibs="-lasn1 -lroken -lcom_err"
428 AC_MSG_RESULT([Heimdal found])
429 dnl Attempt to detect if we need to -ldb2 to link Heimdal
430 dnl we assume we do if it is available
431 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
433 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
434 AC_CHECK_LIB(ssl, MD5_Init, [],
435 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
436 ${LDEFLAGS} ${ac_krblibs}),
437 ${LDEFLAGS} ${ac_krblibs})
440 AC_MSG_RESULT([found])
441 ac_krblibs="-lcom_err"
443 krb5_des_string_to_key,
444 libk5crypto=-lcrypto,
445 AC_CHECK_LIB(k5crypto,
446 krb5_des_string_to_key,
447 libk5crypto=-lk5crypto,
448 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
449 ${LDEFLAGS} ${ac_krblibs}),
450 ${LDEFLAGS} ${ac_krblibs})
452 AC_CHECK_LIB(krb5, krb5_init_context,[],
454 ${LDEFLAGS} ${ac_krblibs})
455 AC_DEFINE(KERBEROS_V5)
456 test "$dir" != "/usr" && CEFLAGS="$CEFLAGS -I$dir/include"
457 LDEFLAGS="$LDEFLAGS -L$dir/lib"
458 LIBS="$LIBS $ac_krblibs $libk5crypto"
462 AC_MSG_RESULT([not found])
465 if test -z "$with_kerberos5" ; then
466 AC_MSG_ERROR([Kerberos 5 libraries not found])
470 ]) dnl --with-kerberos5=DIR
472 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
473 AC_ARG_WITH(kerberos,
474 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4
477 if test "$with_kerberos" != "no"
479 # Check for a NetBSD/OpenBSD special case
480 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
482 AS_MESSAGE(checking kerberosIV for `uname`...)
483 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
484 CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
485 LIBS="$LIBS -lkrb -ldes"
486 elif krb4-config 2> /dev/null >/dev/null ; then
487 krb4_prefix=`krb4-config --prefix`
488 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
490 CEFLAGS="$CEFLAGS `krb4-config --cflags`"
491 LIBS="$LIBS `krb4-config --libs`"
492 AC_DEFINE(KERBEROS_V4)
493 elif krb5-config 2> /dev/null >/dev/null ; then
494 krb4_prefix=`krb5-config --prefix krb4`
495 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
496 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
497 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
500 CEFLAGS="$CEFLAGS `krb5-config --cflags krb4`"
501 LIBS="$LIBS `krb5-config --libs krb4`"
502 AC_DEFINE(KERBEROS_V4)
504 #we need to detect when we're building under a kerberosV compatibility
506 if test "$with_kerberos" != "yes" ; then
507 searchdirs="$with_kerberos"
509 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena/usr"
512 ac_saveLDFLAGS="$LDFLAGS"
513 for dir in $searchdirs
515 AC_MSG_CHECKING([for Kerberos IV in $dir])
516 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
517 || test -f "$dir/include/kerberosIV/krb.h"
519 AC_MSG_RESULT([found])
521 AC_MSG_RESULT([not found])
525 if test -f "$with_kerberos5/roken.h" ; then
526 AC_CHECK_LIB(45, krb_mk_req)
528 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
529 AC_SEARCH_LIBS(des_string_to_key, [des425 des crypto], [], continue)
530 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
532 if test -f "$dir/include/kerberosIV/krb.h" ; then
533 dir="$dir/include/kerberosIV"
537 AC_DEFINE(KERBEROS_V4)
538 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
539 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
540 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
543 if test -z "$with_kerberos" ; then
544 AC_MSG_ERROR([Kerberos 4 libraries not found])
546 LDFLAGS="$ac_saveLDFLAGS"
549 ]) dnl --with-kerberos=DIR
551 ### use option --with-ssl to compile in the SSL support
553 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
556 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
558 if test "$with_ssl" = "yes"
560 # He didn't specify an SSL location. Let's look at some common
561 # directories where SSL has been found in the past and try and auto
562 # configure for SSL. OpenSSL determination will be made later.
563 # This will screw up if an OpenSSL install is located in a later
564 # directory than an older SSLeay install, but the user should fix that
565 # anyways and he can override on the configure line.
566 # Just testing for directories is not sufficient, /usr exists on
578 if test -r "$ac_dir/include/openssl/ssl.h" ; then
585 if test -n "$with_ssl" -a "$with_ssl" != "no"
587 # With the autoconfigure above, the only time this is going to be
588 # true is going to be when we could not find the headers. If they
589 # are not in system standard locations, we are going to be broken.
590 if test "$with_ssl" = "yes"
592 # Let's just define the standard location for the SSLeay root
593 with_ssl="/usr/local/ssl"
595 if test -r $with_ssl/include/openssl/ssl.h
597 ### ssl.h found under openssl. Use openssl configuration preferentially,
598 echo "Enabling OpenSSL support in $with_ssl"
599 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
600 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
601 ### force the Kerberos direcory onto the include path so it will build.
602 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
603 ### OpenBSD comes with ssl headers
605 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
607 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
608 LIBS="$LIBS -lssl -lcrypto"
609 AC_DEFINE(SSL_ENABLE)
611 echo 'Disabling SSL support...'
614 ### use option --with-socks=DIR to point at SOCKS library
616 [ --with-socks[=DIR] add built-in SOCKS firewall access],
618 if test "$with_socks" != no
620 if test "$with_socks" != yes
622 LDEFLAGS="$LDEFLAGS -L$with_socks"
624 AC_CHECK_LIB(socks, Rconnect,,
625 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
627 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
628 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
632 ### use option --with-socks5=DIR to point at SOCKS library
634 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
636 if test "$with_socks5" != no
638 if test "$with_socks5" != yes
640 LDEFLAGS="$LDEFLAGS -L$with_socks5"
642 ac_savedLDFLAGS="$LDFLAGS"
643 LDFLAGS="$LDEFLAGS $LDFLAGS"
644 AC_CHECK_LIB(socks5, SOCKSconnect,,
645 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
646 AC_DEFINE(HAVE_SOCKS)
647 CEFLAGS="$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"
648 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
649 LDFLAGS="$ac_savedLDFLAGS"
652 ### use option --with-hesiod=DIR to point at a HESIOD directory
653 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
655 ### use option --with-gssapi=DIR to compile in GSSAPI support
657 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
659 if test "$with_gssapi" != "no"
661 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
663 with_gssapi=$with_kerberos5
665 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
667 CFLAGS="$CFLAGS -I$with_gssapi/include"
668 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
671 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
674 if test -f "$with_gssapi/include/roken.h"
676 LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl"
677 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
678 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
681 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
682 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
685 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
686 save_CPPFLAGS=$CPPFLAGS
687 CPPFLAGS="-I$with_gssapi/include"
688 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
689 if test "$ac_cv_header_gssapi_h" = "yes"; then
690 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))
692 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
700 dnl ,------------------------------------------------------------------
701 dnl Check if we need TRIO
703 if test "$FORCE_TRIO" = "yes" ; then
705 ac_cv_func_vsnprintf=no
706 ac_cv_func_snprintf=no
708 if test "x$ac_cv_func_snprintf" != "xyes" ; then
709 AC_DEFINE(snprintf, trio_snprintf,
710 [Define to trio_snprintf if your system lacks snprintf])
713 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
714 AC_DEFINE(vsnprintf, trio_vsnprintf,
715 [Define to trio_vsnprintf if your system lacks vsnprintf])
718 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
720 dnl TRIO IEEE compiler option for Alpha
722 if test "$needtrio" = 1 ; then
723 AC_MSG_CHECKING(for IEEE compilation options)
724 AC_CACHE_VAL(ac_cv_ieee_option, [
726 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
727 # error "Option needed"
729 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
731 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
732 # error "Option needed"
734 ],ac_cv_ieee_option="-ieee",
736 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
737 # error "Option needed"
739 ],ac_cv_ieee_option="-mieee",
740 ac_cv_ieee_option="none"
745 AC_MSG_RESULT($ac_cv_ieee_option)
746 if test $ac_cv_ieee_option != none; then
747 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
750 dnl ----------------------------------------------------------------'
752 AC_CONFIG_FILES([Makefile m4/Makefile m4-local/Makefile
757 dnl comment-start: "dnl "
759 dnl comment-start-skip: "\\bdnl\\b\\s *"
760 dnl compile-command: "make configure config.h.in"