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],[6.2.9-rc5])
9 AC_CONFIG_SRCDIR([fetchmail.h])
10 AC_CONFIG_HEADERS([config.h])
11 AC_CONFIG_LIBOBJ_DIR([.])
15 dnl we may need a newer automake version - the oldest tested is 1.7
17 AM_INIT_AUTOMAKE(1.5 foreign no-installinfo)
19 dnl the : states that python is optional
20 AM_PATH_PYTHON(2.0,,:)
25 AC_PROG_CPP dnl Later checks need this.
36 AC_CHECK_TYPE(u_int32_t,unsigned int)
37 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
38 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
39 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h \
40 sys/select.h sys/socket.h sys/time.h langinfo.h])
41 AC_CHECK_HEADERS([resolv.h],,,[
42 #include <sys/types.h>
43 #ifdef HAVE_NETINET_IN_H
44 #include <netinet/in.h>
46 #ifdef HAVE_ARPA_NAMESER_H
47 #include <arpa/nameser.h>
51 AC_C_CONST dnl getopt needs this.
57 # Check for OS special cases
60 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
61 CPFLAGS="-DBIND_8_COMPAT"
63 # Check for FreeBSD special case: more libs needed
65 AC_MSG_NOTICE(found FreeBSD - Adding -lmd -lkvm -lcom_err to standard libraries)
66 LIBS="$LIBS -lmd -lkvm -lcom_err"
68 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
71 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
73 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
74 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
75 CPFLAGS="-I/usr/include"
77 # Check for Rhapsody special case: it doesn't like -s
79 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
80 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
85 AM_GNU_GETTEXT([external], [need-ngettext])
86 AM_GNU_GETTEXT_VERSION(0.14.1)
89 # Under sysV68, socket and friends are provided by the C library.
90 # -linet does not provide socket, but causes multiple definition
91 # errors at link-time. It is thus better to only use the C library.
92 # So don't add -linet to the link list unless it's necessary
94 AC_MSG_RESULT(using libc's socket),
95 AC_CHECK_LIB(socket,socket)
96 AC_CHECK_LIB(inet,socket))
98 # The condition in this test copes with the presence of inet_addr in libc6.
99 AC_CHECK_FUNC(inet_addr,
100 AC_MSG_RESULT(using libc's inet_addr),
101 AC_CHECK_LIB(nsl,inet_addr))
103 dnl Port hack for Interactive UNIX System V/386 Release 3.2
104 AC_CHECK_LIB(cposix, strchr,
105 [DEFS="$DEFS -D_SYSV3"
106 LIBS="$LIBS -lcposix"])
108 dnl Port hack for Sparc/NetBSD-1.5
109 AC_CHECK_LIB(intl, gettext,
110 [LIBS="$LIBS -lintl"])
112 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
114 AC_CHECK_FUNC(MD5Init, [],
115 [AC_LIBSOURCE(md5c.c)
116 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
118 AC_CHECK_FUNC(getopt_long, [],
119 [AC_LIBSOURCES([getopt.c, getopt1.c])
120 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
126 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
127 res_search strerror syslog snprintf vprintf vsnprintf vsyslog dnl
128 atexit inet_aton strftime setrlimit socketpair sigprocmask dnl
129 sigaction strdup setlocale)
131 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
132 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
133 # library. So don't add -lresolv to the link list unless it's necessary
134 # (It will be necessary when using GNU libc6).
135 AC_CHECK_FUNC(res_search,
136 AC_MSG_RESULT(using libc's resolver functions),
137 AC_CHECK_LIB(resolv,res_search,
138 [AC_DEFINE(HAVE_RES_SEARCH) AC_MSG_RESULT(found resolver functions in libresolv); LIBS="$LIBS -lresolv"], AC_MSG_RESULT(no resolver calls found)))
140 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
141 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
143 dnl Check for RSA refersence library in case we're using SSL
144 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
146 dnl AC_FUNC_SETVBUF_REVERSED
148 dnl Check for usable void pointer type
149 AC_MSG_CHECKING(use of void pointer type)
150 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
152 p = (char *) xmalloc(1);
153 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
155 dnl Check for ANSI volatile
158 dnl Check out the wait reality. We have to assume sys/wait.h is present.
159 AC_CHECK_FUNCS(waitpid wait3)
160 AC_MSG_CHECKING(for union wait);
161 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
162 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
164 /* Some POSIXoid systems have both the new-style macros and the old
165 union wait type, and they do not work together. If union wait
166 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
167 if (WEXITSTATUS (status) != 0) pid = -1;
170 /* Make sure union wait works with waitpid. */
171 pid = waitpid (-1, &status, 0);
173 ]])],[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)])
175 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
176 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
177 /* NetBSD declares sys_siglist in <unistd.h>. */
180 #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)])
182 # Find the right directory to put the root-mode PID file in
183 for dir in "/var/run" "/etc"
190 AC_MSG_RESULT(root-mode pid file will go in $dir)
191 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
193 # We may have a fallback MDA available in case the socket open to the
194 # local SMTP listener fails. Best to use procmail for this, as we know
195 # it won't try delivering through local SMTP and cause a mail loop.
196 # Sendmail without the -t option to use the message headers will work too,
197 # not just for sendmail itself but for workalikes like exim.
199 # Note1: A disadvantage of using procmail is that local alias expansion
200 # according to /etc/aliases won't get done if we fall back. This doesn't
201 # matter in single-drop mode.
203 # Note2: it would be a very bad idea to use any MDA that doesn't return
204 # a refuse-to-deliver status on disk- or process-table-full
205 # conditions; mail could get lost that way. Sendmail and all of the MDAs
206 # like exim that might be lurking under a sendmail alias) do the right
207 # thing in this circumstance. Matthias Andree warns that procmail does
210 # Note3: Defalt value of fallback is now off. Matthias writes:
212 # 1. there is no way to predict when the fallback is used. With some MTAs
213 # (such as those limiting load average), outer circumstances can cause
214 # the fallback to kick in.
216 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
217 # not only about alias expansion, .forwards to special filters won't
218 # work, mail may end up in a different place (users claim "mail loss"
221 # 3. The claim procmail did the right thing with its exit codes is plain
222 # wrong. I've seen procmail exit with code 1 when it should have exited
223 # with code 75, like, configuration errors. Procmail is a dangerous
224 # beast and is best replaced by maildrop.
226 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
227 # cannot tell which one it should choose. Say, your MTA is configured
228 # to use maildrop to deliver to user's mailboxes, if fetchmail then
229 # chooses procmail, this is plain wrong.
232 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
233 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
234 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
236 ### use option --disable-fallback to disable fallback MDA
237 ### use option --enable-fallback=procmail or
238 ### --enable-fallback=sendmail to select
239 AC_ARG_ENABLE(fallback,
240 [ --enable-fallback=procmail enable procmail as fallback
241 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
242 --enable-fallback=maildrop enable maildrop as fallback
243 --enable-fallback=no disable fallback],,[enable_fallback=no])
245 case "$enable_fallback" in
246 sendmail) if test -z "$sendmail" ; then
247 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
250 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
251 echo "Will use $sendmail as fallback MDA."
253 procmail) if test -z "$procmail" ; then
254 AC_MSG_ERROR([procmail selected as fallback, but not found])
257 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
258 echo "Will use $procmail as fallback MDA."
260 maildrop) if test -z "$maildrop" ; then
261 AC_MSG_ERROR([maildrop selected as fallback, but not found])
264 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
265 echo "Will use $maildrop as fallback MDA."
267 no|unset) echo "Will not use a fallback MDA"
269 auto|yes|set) if test -n "$sendmail" ; then
270 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
271 echo "Will use $sendmail as fallback MDA."
273 echo "No fallback MDA available. procmail and maildrop are not eligible"
274 echo "for automatic fallback MDA configuration for reliability reasons."
277 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
282 AC_CHECK_SIZEOF(short)
284 AC_CHECK_SIZEOF(long)
286 ### use option --enable-POP2 to compile in the POP2 support
288 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
289 [with_POP2=$enableval],
291 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
293 ### use option --disable-POP3 to omit the POP3 support
295 [ --disable-POP3 don't compile in POP3 protocol support],
296 [with_POP3=$enableval],
298 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
300 ### use option --disable-IMAP to omit the IMAP support
302 [ --disable-IMAP don't compile in IMAP protocol support],
303 [with_IMAP=$enableval],
305 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,"Define if you want IMAP support compiled in")
307 ### use option --disable-ETRN to omit the ETRN support
309 [ --disable-ETRN don't compile in ETRN protocol support],
310 [with_ETRN=$enableval],
312 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
314 ### use option --disable-ODMR to omit the ODMR support
316 [ --disable-ODMR don't compile in ODMR protocol support],
317 [with_ODMR=$enableval],
319 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
321 ### use option --enable-RPA to compile in the RPA support
323 [ --enable-RPA compile in RPA protocol support],
324 [with_RPA=$enableval],
326 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
328 ### use option --enable-NTLM to compile in the NTLM support
330 [ --enable-NTLM compile in NTLM authentication support],
331 [with_NTLM=$enableval],
333 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
335 ### use option --enable-SDPS to compile in the SDPS support
337 [ --enable-SDPS compile in SDPS protocol support],
338 [with_SDPS=$enableval],
340 test "$with_SDPS" = "yes" && AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
342 ### use option --enable-opie to compile in the OPIE support
344 [ --enable-opie support OTP through the OPIE library],
345 [ AC_CHECK_HEADER(opie.h,, [echo 'configure: cannot find <opie.h>, which is required for OPIE support.'; exit 1])
346 AC_CHECK_LIB(opie,opiegenerator,, [echo 'configure: cannot find libopie, which is required for OPIE support.'; exit 1])
347 with_opie=$enableval],
349 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
351 AC_SEARCH_LIBS(getaddrinfo, inet6, [AC_DEFINE(HAVE_GETADDRINFO,1,[define to 1 if you have the getaddrinfo function])])
352 AC_CHECK_FUNCS(getnameinfo)
354 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
356 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
357 # OpenSSL support (Debian's is)
358 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
359 # I don't know if this is 100% correct, but now at least IMAP and POP3
360 # behave the same way regarding kerberosV.
361 # * Build without any fuss for both kerberosIV and V at the same time.
362 # * Move all the kerberos header mess to kerberos.h, and #include that
363 # in driver.c and kerberos.c.
365 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
366 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
367 # the MIT reference implementation of KerberosV (all as packaged in Debian).
369 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
370 ### make sure --with-ssl is run before --with-kerberos* !
371 AC_ARG_WITH(kerberos5,
372 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5
375 if test "$with_kerberos5" != "no"
377 # Check for a OpenBSD special case
378 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
380 AS_MESSAGE(checking kerberosV for OpenBSD...)
381 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
382 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
383 CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
384 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
385 elif krb5-config 2> /dev/null >/dev/null ; then
386 krb5_prefix=`krb5-config --prefix krb5`
387 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
388 if test -f ${krb5_prefix}/include/et/com_err.h && \
389 ! test -f ${krb5_prefix}/include/com_err.h ; then
390 CEFLAGS="$CEFLAGS -I${krb5_prefix}/include/et"
393 CEFLAGS="$CEFLAGS `krb5-config --cflags krb5`"
394 LIBS="$LIBS `krb5-config --libs krb5`"
395 AC_DEFINE(KERBEROS_V5)
397 if test "$with_kerberos5" != "yes"
399 LDEFLAGS="$LDEFLAGS -L${with_kerberos5}/lib"
400 searchdirs="$with_kerberos5"
402 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
405 for dir in $searchdirs
406 do AC_MSG_CHECKING([for Kerberos V in $dir])
407 if test -f "$dir/include/krb5.h"
410 if test -f "$dir/include/roken.h"
412 ac_krblibs="-lasn1 -lroken -lcom_err"
413 AC_MSG_RESULT([Heimdal found])
414 dnl Attempt to detect if we need to -ldb2 to link Heimdal
415 dnl we assume we do if it is available
416 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
418 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
419 AC_CHECK_LIB(ssl, MD5_Init, [],
420 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
421 ${LDEFLAGS} ${ac_krblibs}),
422 ${LDEFLAGS} ${ac_krblibs})
425 AC_MSG_RESULT([found])
426 ac_krblibs="-lcom_err"
428 krb5_des_string_to_key,
429 libk5crypto=-lcrypto,
430 AC_CHECK_LIB(k5crypto,
431 krb5_des_string_to_key,
432 libk5crypto=-lk5crypto,
433 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
434 ${LDEFLAGS} ${ac_krblibs}),
435 ${LDEFLAGS} ${ac_krblibs})
437 AC_CHECK_LIB(krb5, krb5_init_context,[],
439 ${LDEFLAGS} ${ac_krblibs})
440 AC_DEFINE(KERBEROS_V5)
441 test "$dir" != "/usr" && CEFLAGS="$CEFLAGS -I$dir/include"
442 LDEFLAGS="$LDEFLAGS -L$dir/lib"
443 LIBS="$LIBS $ac_krblibs $libk5crypto"
447 AC_MSG_RESULT([not found])
450 if test -z "$with_kerberos5" ; then
451 AC_MSG_ERROR([Kerberos 5 libraries not found])
455 ]) dnl --with-kerberos5=DIR
457 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
458 AC_ARG_WITH(kerberos,
459 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4
462 if test "$with_kerberos" != "no"
464 # Check for a NetBSD/OpenBSD special case
465 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
467 AS_MESSAGE(checking kerberosIV for `uname`...)
468 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
469 CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
470 LIBS="$LIBS -lkrb -ldes"
471 elif krb4-config 2> /dev/null >/dev/null ; then
472 krb4_prefix=`krb4-config --prefix`
473 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
475 CEFLAGS="$CEFLAGS `krb4-config --cflags`"
476 LIBS="$LIBS `krb4-config --libs`"
477 AC_DEFINE(KERBEROS_V4)
478 elif krb5-config 2> /dev/null >/dev/null ; then
479 krb4_prefix=`krb5-config --prefix krb4`
480 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
481 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
482 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
485 CEFLAGS="$CEFLAGS `krb5-config --cflags krb4`"
486 LIBS="$LIBS `krb5-config --libs krb4`"
487 AC_DEFINE(KERBEROS_V4)
489 #we need to detect when we're building under a kerberosV compatibility
491 if test "$with_kerberos" != "yes" ; then
492 searchdirs="$with_kerberos"
494 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
497 ac_saveLDFLAGS="$LDFLAGS"
498 for dir in $searchdirs
500 AC_MSG_CHECKING([for Kerberos IV in $dir])
501 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
502 || test -f "$dir/include/kerberosIV/krb.h"
504 AC_MSG_RESULT([found])
506 AC_MSG_RESULT([not found])
510 if test -f "$with_kerberos5/roken.h" ; then
511 AC_CHECK_LIB(45, krb_mk_req)
513 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
514 if test `uname` = "FreeBSD"; then
515 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
517 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
519 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
521 if test -f "$dir/include/kerberosIV/krb.h" ; then
522 dir="$dir/include/kerberosIV"
526 AC_DEFINE(KERBEROS_V4)
527 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
528 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
529 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
532 if test -z "$with_kerberos" ; then
533 AC_MSG_ERROR([Kerberos 4 libraries not found])
535 LDFLAGS="$ac_saveLDFLAGS"
538 ]) dnl --with-kerberos=DIR
540 ### use option --with-ssl to compile in the SSL support
542 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
545 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
547 if test "$with_ssl" = "yes"
549 # He didn't specify an SSL location. Let's look at some common
550 # directories where SSL has been found in the past and try and auto
551 # configure for SSL. OpenSSL determination will be made later.
552 # This will screw up if an OpenSSL install is located in a later
553 # directory than an older SSLeay install, but the user should fix that
554 # anyways and he can override on the configure line.
555 # Just testing for directories is not sufficient, /usr exists on
567 if test -r "$ac_dir/include/openssl/ssl.h" ; then
574 if test -n "$with_ssl" -a "$with_ssl" != "no"
576 # With the autoconfigure above, the only time this is going to be
577 # true is going to be when we could not find the headers. If they
578 # are not in system standard locations, we are going to be broken.
579 if test "$with_ssl" = "yes"
581 # Let's just define the standard location for the SSLeay root
582 with_ssl="/usr/local/ssl"
584 if test -r $with_ssl/include/openssl/ssl.h
586 ### ssl.h found under openssl. Use openssl configuration preferentially,
587 echo "Enabling OpenSSL support in $with_ssl"
588 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
589 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
590 ### force the Kerberos direcory onto the include path so it will build.
591 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
592 ### OpenBSD comes with ssl headers
594 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
596 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
597 LIBS="$LIBS -lssl -lcrypto"
598 dnl check if -ldl is needed!
599 AC_MSG_CHECKING([for additional library dependencies of SSL])
600 for i in "" "-ldl" ; do
603 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],break,LIBS="$save_LIBS")
605 if test "$i" = "" ; then i="(none)" ; fi
607 dnl XXX FIXME: use pkg-config if available!
608 AC_DEFINE(SSL_ENABLE)
610 echo 'Disabling SSL support...'
613 ### use option --with-socks=DIR to point at SOCKS library
615 [ --with-socks[=DIR] add built-in SOCKS firewall access],
617 if test "$with_socks" != no
619 if test "$with_socks" != yes
621 LDEFLAGS="$LDEFLAGS -L$with_socks"
623 AC_CHECK_LIB(socks, Rconnect,,
624 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
626 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
627 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
631 ### use option --with-socks5=DIR to point at SOCKS library
633 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
635 if test "$with_socks5" != no
637 if test "$with_socks5" != yes
639 LDEFLAGS="$LDEFLAGS -L$with_socks5"
641 ac_savedLDFLAGS="$LDFLAGS"
642 LDFLAGS="$LDEFLAGS $LDFLAGS"
643 AC_CHECK_LIB(socks5, SOCKSconnect,,
644 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
645 AC_DEFINE(HAVE_SOCKS)
646 CEFLAGS="$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"
647 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
648 LDFLAGS="$ac_savedLDFLAGS"
651 ACX_WHICH_GETHOSTBYNAME_R
653 ### use option --with-hesiod=DIR to point at a HESIOD directory
654 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
656 ### use option --with-gssapi=DIR to compile in GSSAPI support
658 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
660 if test "$with_gssapi" != "no"
662 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
664 with_gssapi=$with_kerberos5
666 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
668 CFLAGS="$CFLAGS -I$with_gssapi/include"
669 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
672 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
675 if test -f "$with_gssapi/include/roken.h"
677 LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl"
678 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
679 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
682 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
683 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
686 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
687 save_CPPFLAGS=$CPPFLAGS
688 CPPFLAGS="-I$with_gssapi/include"
689 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
690 if test "$ac_cv_header_gssapi_h" = "yes"; then
691 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))
693 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
701 dnl ,------------------------------------------------------------------
702 dnl Check if we need TRIO
704 if test "$FORCE_TRIO" = "yes" ; then
706 ac_cv_func_vsnprintf=no
707 ac_cv_func_snprintf=no
709 if test "x$ac_cv_func_snprintf" != "xyes" ; then
710 AC_DEFINE(snprintf, trio_snprintf,
711 [Define to trio_snprintf if your system lacks snprintf])
714 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
715 AC_DEFINE(vsnprintf, trio_vsnprintf,
716 [Define to trio_vsnprintf if your system lacks vsnprintf])
719 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
721 dnl TRIO IEEE compiler option for Alpha
723 if test "$needtrio" = 1 ; then
724 AC_MSG_CHECKING(for IEEE compilation options)
725 AC_CACHE_VAL(ac_cv_ieee_option, [
727 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
728 # error "Option needed"
730 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
732 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
733 # error "Option needed"
735 ],ac_cv_ieee_option="-ieee",
737 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
738 # error "Option needed"
740 ],ac_cv_ieee_option="-mieee",
741 ac_cv_ieee_option="none"
746 AC_MSG_RESULT($ac_cv_ieee_option)
747 if test $ac_cv_ieee_option != none; then
748 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
751 dnl ----------------------------------------------------------------'
753 AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in])
757 dnl comment-start: "dnl "
759 dnl comment-start-skip: "\\bdnl\\b\\s *"
760 dnl compile-command: "make configure config.h.in"