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-rc9])
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,,:)
21 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
26 AC_PROG_CPP dnl Later checks need this.
37 AC_CHECK_TYPE(u_int32_t,unsigned int)
38 AC_CHECK_HEADERS([unistd.h termios.h termio.h sgtty.h stdarg.h \
39 sys/itimer.h fcntl.h sys/fcntl.h memory.h sys/wait.h \
40 arpa/inet.h arpa/nameser.h netinet/in.h net/socket.h \
41 sys/select.h sys/socket.h sys/time.h langinfo.h])
42 AC_CHECK_HEADERS([resolv.h],,,[
43 #include <sys/types.h>
44 #ifdef HAVE_NETINET_IN_H
45 #include <netinet/in.h>
47 #ifdef HAVE_ARPA_NAMESER_H
48 #include <arpa/nameser.h>
52 AC_C_CONST dnl getopt needs this.
58 # Check for OS special cases
61 AC_MSG_NOTICE(found Darwin - Adding -DBIND_8_COMPAT to CFLAGS)
62 CPFLAGS="-DBIND_8_COMPAT"
64 # Check for FreeBSD special case: more libs needed
66 AC_MSG_NOTICE(found FreeBSD - Adding -lmd -lkvm -lcom_err to standard libraries)
67 LIBS="$LIBS -lmd -lkvm -lcom_err"
69 # Check for LynxOS special case: -lbsd needed (at least on 2.3.0) and -s
72 AC_MSG_NOTICE(found LynxOS - Adding -lbsd to standard libraries)
74 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
75 AC_MSG_NOTICE(found LynxOS - Prepending standard include path to gcc flags)
76 CPFLAGS="-I/usr/include"
78 # Check for Rhapsody special case: it doesn't like -s
80 AC_MSG_NOTICE(found Rhapsody - Removing -s load flag)
81 LDFLAGS=`echo $LDFLAGS | sed "s/-s //"`
86 AM_GNU_GETTEXT([external], [need-ngettext])
87 AM_GNU_GETTEXT_VERSION(0.14.1)
90 # Under sysV68, socket and friends are provided by the C library.
91 # -linet does not provide socket, but causes multiple definition
92 # errors at link-time. It is thus better to only use the C library.
93 # So don't add -linet to the link list unless it's necessary
95 AC_MSG_RESULT(using libc's socket),
96 AC_CHECK_LIB(socket,socket)
97 AC_CHECK_LIB(inet,socket))
99 # The condition in this test copes with the presence of inet_addr in libc6.
100 AC_CHECK_FUNC(inet_addr,
101 AC_MSG_RESULT(using libc's inet_addr),
102 AC_CHECK_LIB(nsl,inet_addr))
104 dnl Port hack for Interactive UNIX System V/386 Release 3.2
105 AC_CHECK_LIB(cposix, strchr,
106 [DEFS="$DEFS -D_SYSV3"
107 LIBS="$LIBS -lcposix"])
109 dnl Port hack for Sparc/NetBSD-1.5
111 dnl NB: this has been disabled as it causes the unconditional
112 dnl addition of libintl to the build, which is both undesired
113 dnl and breaks on Solaris/Blastwave.org machines.
115 dnl AC_CHECK_LIB(intl, gettext,
116 dnl [LIBS="$LIBS -lintl"])
118 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
120 AC_CHECK_FUNC(MD5Init, [],
121 [AC_LIBSOURCE(md5c.c)
122 EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
124 AC_CHECK_FUNC(getopt_long, [],
125 [AC_LIBSOURCES([getopt.c, getopt1.c])
126 EXTRAOBJ="$EXTRAOBJ getopt.\$(OBJEXT) getopt1.\$(OBJEXT)"])
132 AC_CHECK_FUNCS(tcsetattr stty setsid geteuid seteuid dnl
133 res_search strerror syslog snprintf vprintf vsnprintf vsyslog dnl
134 atexit inet_aton strftime setrlimit socketpair sigprocmask dnl
135 sigaction strdup setlocale)
137 # Under Red Hat 4.0 (and many other Linuxes) -lresolv is seriously flaky
138 # and breaks gethostbyname(2). It's better to use the bind stuff in the C
139 # library. So don't add -lresolv to the link list unless it's necessary
140 # (It will be necessary when using GNU libc6).
141 AC_CHECK_FUNC(res_search,
142 AC_MSG_RESULT(using libc's resolver functions),
143 AC_CHECK_LIB(resolv,res_search,
144 [AC_DEFINE(HAVE_RES_SEARCH) AC_MSG_RESULT(found resolver functions in libresolv); LIBS="$LIBS -lresolv"], AC_MSG_RESULT(no resolver calls found)))
146 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
147 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
149 dnl Check for RSA refersence library in case we're using SSL
150 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
152 dnl AC_FUNC_SETVBUF_REVERSED
154 dnl Check for usable void pointer type
155 AC_MSG_CHECKING(use of void pointer type)
156 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
158 p = (char *) xmalloc(1);
159 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
161 dnl Check for ANSI volatile
164 dnl Check out the wait reality. We have to assume sys/wait.h is present.
165 AC_CHECK_FUNCS(waitpid wait3)
166 AC_MSG_CHECKING(for union wait);
167 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
168 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
170 /* Some POSIXoid systems have both the new-style macros and the old
171 union wait type, and they do not work together. If union wait
172 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
173 if (WEXITSTATUS (status) != 0) pid = -1;
176 /* Make sure union wait works with waitpid. */
177 pid = waitpid (-1, &status, 0);
179 ]])],[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)])
181 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
182 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
183 /* NetBSD declares sys_siglist in <unistd.h>. */
186 #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)])
188 # Find the right directory to put the root-mode PID file in
189 for dir in "/var/run" "/etc"
196 AC_MSG_RESULT(root-mode pid file will go in $dir)
197 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
199 # We may have a fallback MDA available in case the socket open to the
200 # local SMTP listener fails. Best to use procmail for this, as we know
201 # it won't try delivering through local SMTP and cause a mail loop.
202 # Sendmail without the -t option to use the message headers will work too,
203 # not just for sendmail itself but for workalikes like exim.
205 # Note1: A disadvantage of using procmail is that local alias expansion
206 # according to /etc/aliases won't get done if we fall back. This doesn't
207 # matter in single-drop mode.
209 # Note2: it would be a very bad idea to use any MDA that doesn't return
210 # a refuse-to-deliver status on disk- or process-table-full
211 # conditions; mail could get lost that way. Sendmail and all of the MDAs
212 # like exim that might be lurking under a sendmail alias) do the right
213 # thing in this circumstance. Matthias Andree warns that procmail does
216 # Note3: Defalt value of fallback is now off. Matthias writes:
218 # 1. there is no way to predict when the fallback is used. With some MTAs
219 # (such as those limiting load average), outer circumstances can cause
220 # the fallback to kick in.
222 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
223 # not only about alias expansion, .forwards to special filters won't
224 # work, mail may end up in a different place (users claim "mail loss"
227 # 3. The claim procmail did the right thing with its exit codes is plain
228 # wrong. I've seen procmail exit with code 1 when it should have exited
229 # with code 75, like, configuration errors. Procmail is a dangerous
230 # beast and is best replaced by maildrop.
232 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
233 # cannot tell which one it should choose. Say, your MTA is configured
234 # to use maildrop to deliver to user's mailboxes, if fetchmail then
235 # chooses procmail, this is plain wrong.
238 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
239 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
240 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
242 ### use option --disable-fallback to disable fallback MDA
243 ### use option --enable-fallback=procmail or
244 ### --enable-fallback=sendmail to select
245 AC_ARG_ENABLE(fallback,
246 [ --enable-fallback=procmail enable procmail as fallback
247 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
248 --enable-fallback=maildrop enable maildrop as fallback
249 --enable-fallback=no disable fallback],,[enable_fallback=no])
251 case "$enable_fallback" in
252 sendmail) if test -z "$sendmail" ; then
253 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
256 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
257 echo "Will use $sendmail as fallback MDA."
259 procmail) if test -z "$procmail" ; then
260 AC_MSG_ERROR([procmail selected as fallback, but not found])
263 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
264 echo "Will use $procmail as fallback MDA."
266 maildrop) if test -z "$maildrop" ; then
267 AC_MSG_ERROR([maildrop selected as fallback, but not found])
270 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
271 echo "Will use $maildrop as fallback MDA."
273 no|unset) echo "Will not use a fallback MDA"
275 auto|yes|set) if test -n "$sendmail" ; then
276 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
277 echo "Will use $sendmail as fallback MDA."
279 echo "No fallback MDA available. procmail and maildrop are not eligible"
280 echo "for automatic fallback MDA configuration for reliability reasons."
283 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
288 AC_CHECK_SIZEOF(short)
290 AC_CHECK_SIZEOF(long)
292 ### use option --enable-POP2 to compile in the POP2 support
294 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
295 [with_POP2=$enableval],
297 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
299 ### use option --disable-POP3 to omit the POP3 support
301 [ --disable-POP3 don't compile in POP3 protocol support],
302 [with_POP3=$enableval],
304 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
306 ### use option --disable-IMAP to omit the IMAP support
308 [ --disable-IMAP don't compile in IMAP protocol support],
309 [with_IMAP=$enableval],
311 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,"Define if you want IMAP support compiled in")
313 ### use option --disable-ETRN to omit the ETRN support
315 [ --disable-ETRN don't compile in ETRN protocol support],
316 [with_ETRN=$enableval],
318 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
320 ### use option --disable-ODMR to omit the ODMR support
322 [ --disable-ODMR don't compile in ODMR protocol support],
323 [with_ODMR=$enableval],
325 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
327 ### use option --enable-RPA to compile in the RPA support
329 [ --enable-RPA compile in RPA protocol support],
330 [with_RPA=$enableval],
332 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
334 ### use option --enable-NTLM to compile in the NTLM support
336 [ --enable-NTLM compile in NTLM authentication support],
337 [with_NTLM=$enableval],
339 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
341 ### use option --enable-SDPS to compile in the SDPS support
343 [ --enable-SDPS compile in SDPS protocol support],
344 [with_SDPS=$enableval],
346 test "$with_SDPS" = "yes" && AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
348 ### use option --enable-opie to compile in the OPIE support
350 [ --enable-opie support OTP through the OPIE library],
351 [ AC_CHECK_HEADER(opie.h,, [echo 'configure: cannot find <opie.h>, which is required for OPIE support.'; exit 1])
352 AC_CHECK_LIB(opie,opiegenerator,, [echo 'configure: cannot find libopie, which is required for OPIE support.'; exit 1])
353 with_opie=$enableval],
355 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
357 AC_SEARCH_LIBS(getaddrinfo, inet6, [AC_DEFINE(HAVE_GETADDRINFO,1,[define to 1 if you have the getaddrinfo function])])
358 AC_CHECK_FUNCS(getnameinfo)
360 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
362 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
363 # OpenSSL support (Debian's is)
364 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
365 # I don't know if this is 100% correct, but now at least IMAP and POP3
366 # behave the same way regarding kerberosV.
367 # * Build without any fuss for both kerberosIV and V at the same time.
368 # * Move all the kerberos header mess to kerberos.h, and #include that
369 # in driver.c and kerberos.c.
371 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
372 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
373 # the MIT reference implementation of KerberosV (all as packaged in Debian).
375 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
376 ### make sure --with-ssl is run before --with-kerberos* !
377 AC_ARG_WITH(kerberos5,
378 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
380 if test "$with_kerberos5" != "no"
382 # Check for a OpenBSD special case
383 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
385 AS_MESSAGE(checking kerberosV for OpenBSD...)
386 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
387 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
388 CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
389 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
390 elif krb5-config 2> /dev/null >/dev/null ; then
391 krb5_prefix=`krb5-config --prefix krb5`
392 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
393 if test -f ${krb5_prefix}/include/et/com_err.h && \
394 ! test -f ${krb5_prefix}/include/com_err.h ; then
395 CEFLAGS="$CEFLAGS -I${krb5_prefix}/include/et"
398 CEFLAGS="$CEFLAGS `krb5-config --cflags krb5`"
399 LIBS="$LIBS `krb5-config --libs krb5`"
400 AC_DEFINE(KERBEROS_V5)
402 if test "$with_kerberos5" != "yes"
404 LDEFLAGS="$LDEFLAGS -L${with_kerberos5}/lib"
405 searchdirs="$with_kerberos5"
407 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
410 for dir in $searchdirs
411 do AC_MSG_CHECKING([for Kerberos V in $dir])
412 if test -f "$dir/include/krb5.h"
415 if test -f "$dir/include/roken.h"
417 ac_krblibs="-lasn1 -lroken -lcom_err"
418 AC_MSG_RESULT([Heimdal found])
419 dnl Attempt to detect if we need to -ldb2 to link Heimdal
420 dnl we assume we do if it is available
421 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
423 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
424 AC_CHECK_LIB(ssl, MD5_Init, [],
425 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
426 ${LDEFLAGS} ${ac_krblibs}),
427 ${LDEFLAGS} ${ac_krblibs})
430 AC_MSG_RESULT([found])
431 ac_krblibs="-lcom_err"
433 krb5_des_string_to_key,
434 libk5crypto=-lcrypto,
435 AC_CHECK_LIB(k5crypto,
436 krb5_des_string_to_key,
437 libk5crypto=-lk5crypto,
438 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
439 ${LDEFLAGS} ${ac_krblibs}),
440 ${LDEFLAGS} ${ac_krblibs})
442 AC_CHECK_LIB(krb5, krb5_init_context,[],
444 ${LDEFLAGS} ${ac_krblibs})
445 AC_DEFINE(KERBEROS_V5)
446 test "$dir" != "/usr" && CEFLAGS="$CEFLAGS -I$dir/include"
447 LDEFLAGS="$LDEFLAGS -L$dir/lib"
448 LIBS="$LIBS $ac_krblibs $libk5crypto"
452 AC_MSG_RESULT([not found])
455 if test -z "$with_kerberos5" ; then
456 AC_MSG_ERROR([Kerberos 5 libraries not found])
460 ]) dnl --with-kerberos5=DIR
462 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
463 AC_ARG_WITH(kerberos,
464 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
466 if test "$with_kerberos" != "no"
468 # Check for a NetBSD/OpenBSD special case
469 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
471 AS_MESSAGE(checking kerberosIV for `uname`...)
472 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
473 CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
474 LIBS="$LIBS -lkrb -ldes"
475 elif krb4-config 2> /dev/null >/dev/null ; then
476 krb4_prefix=`krb4-config --prefix`
477 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
479 CEFLAGS="$CEFLAGS `krb4-config --cflags`"
480 LIBS="$LIBS `krb4-config --libs`"
481 AC_DEFINE(KERBEROS_V4)
482 elif krb5-config 2> /dev/null >/dev/null ; then
483 krb4_prefix=`krb5-config --prefix krb4`
484 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
485 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
486 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
489 CEFLAGS="$CEFLAGS `krb5-config --cflags krb4`"
490 LIBS="$LIBS `krb5-config --libs krb4`"
491 AC_DEFINE(KERBEROS_V4)
493 #we need to detect when we're building under a kerberosV compatibility
495 if test "$with_kerberos" != "yes" ; then
496 searchdirs="$with_kerberos"
498 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
501 ac_saveLDFLAGS="$LDFLAGS"
502 for dir in $searchdirs
504 AC_MSG_CHECKING([for Kerberos IV in $dir])
505 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
506 || test -f "$dir/include/kerberosIV/krb.h"
508 AC_MSG_RESULT([found])
510 AC_MSG_RESULT([not found])
514 if test -f "$with_kerberos5/roken.h" ; then
515 AC_CHECK_LIB(45, krb_mk_req)
517 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
518 if test `uname` = "FreeBSD"; then
519 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
521 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
523 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
525 if test -f "$dir/include/kerberosIV/krb.h" ; then
526 dir="$dir/include/kerberosIV"
530 AC_DEFINE(KERBEROS_V4)
531 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
532 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
533 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
536 if test -z "$with_kerberos" ; then
537 AC_MSG_ERROR([Kerberos 4 libraries not found])
539 LDFLAGS="$ac_saveLDFLAGS"
542 ]) dnl --with-kerberos=DIR
544 ### use option --with-ssl to compile in the SSL support
546 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
549 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
551 if test "$with_ssl" = "yes"
553 # He didn't specify an SSL location. Let's look at some common
554 # directories where SSL has been found in the past and try and auto
555 # configure for SSL. OpenSSL determination will be made later.
556 # This will screw up if an OpenSSL install is located in a later
557 # directory than an older SSLeay install, but the user should fix that
558 # anyways and he can override on the configure line.
559 # Just testing for directories is not sufficient, /usr exists on
571 if test -r "$ac_dir/include/openssl/ssl.h" ; then
578 if test -n "$with_ssl" -a "$with_ssl" != "no"
580 # With the autoconfigure above, the only time this is going to be
581 # true is going to be when we could not find the headers. If they
582 # are not in system standard locations, we are going to be broken.
583 if test "$with_ssl" = "yes"
585 # Let's just define the standard location for the SSLeay root
586 with_ssl="/usr/local/ssl"
588 if test -r $with_ssl/include/openssl/ssl.h
590 ### ssl.h found under openssl. Use openssl configuration preferentially,
591 echo "Enabling OpenSSL support in $with_ssl"
592 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
593 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
594 ### force the Kerberos direcory onto the include path so it will build.
595 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
596 ### OpenBSD comes with ssl headers
598 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
600 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
601 LIBS="$LIBS -lssl -lcrypto"
602 dnl check if -ldl is needed
603 AC_MSG_CHECKING([for additional library dependencies of SSL])
606 for i in "" "-ldl" ; do
607 LIBS="$LDEFLAGS $save_LIBS $i"
608 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],[found=1; break])
610 if test $found = 0 ; then
611 AC_MSG_RESULT([error])
612 AC_MSG_ERROR([cannot link with SSL - check config.log])
615 if test "$i" = "" ; then i="(none)" ; fi
617 dnl XXX FIXME: use pkg-config if available!
618 AC_DEFINE(SSL_ENABLE)
620 echo 'Disabling SSL support...'
623 ### use option --with-socks=DIR to point at SOCKS library
625 [ --with-socks[=DIR] add built-in SOCKS firewall access],
627 if test "$with_socks" != no
629 if test "$with_socks" != yes
631 LDEFLAGS="$LDEFLAGS -L$with_socks"
633 AC_CHECK_LIB(socks, Rconnect,,
634 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
636 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
637 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
641 ### use option --with-socks5=DIR to point at SOCKS library
643 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
645 if test "$with_socks5" != no
647 if test "$with_socks5" != yes
649 LDEFLAGS="$LDEFLAGS -L$with_socks5"
651 ac_savedLDFLAGS="$LDFLAGS"
652 LDFLAGS="$LDEFLAGS $LDFLAGS"
653 AC_CHECK_LIB(socks5, SOCKSconnect,,
654 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
655 AC_DEFINE(HAVE_SOCKS)
656 CEFLAGS="$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"
657 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
658 LDFLAGS="$ac_savedLDFLAGS"
661 ACX_WHICH_GETHOSTBYNAME_R
663 ### use option --with-hesiod=DIR to point at a HESIOD directory
664 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
666 ### use option --with-gssapi=DIR to compile in GSSAPI support
668 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
670 if test "$with_gssapi" != "no"
672 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
674 with_gssapi=$with_kerberos5
676 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
678 CFLAGS="$CFLAGS -I$with_gssapi/include"
679 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
682 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
685 if test -f "$with_gssapi/include/roken.h"
687 LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl"
688 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
689 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
692 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
693 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
696 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
697 save_CPPFLAGS=$CPPFLAGS
698 CPPFLAGS="-I$with_gssapi/include"
699 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
700 if test "$ac_cv_header_gssapi_h" = "yes"; then
701 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))
703 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
711 dnl ,------------------------------------------------------------------
712 dnl Check if we need TRIO
714 if test "$FORCE_TRIO" = "yes" ; then
716 ac_cv_func_vsnprintf=no
717 ac_cv_func_snprintf=no
719 if test "x$ac_cv_func_snprintf" != "xyes" ; then
720 AC_DEFINE(snprintf, trio_snprintf,
721 [Define to trio_snprintf if your system lacks snprintf])
724 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
725 AC_DEFINE(vsnprintf, trio_vsnprintf,
726 [Define to trio_vsnprintf if your system lacks vsnprintf])
729 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
731 dnl TRIO IEEE compiler option for Alpha
733 if test "$needtrio" = 1 ; then
734 AC_MSG_CHECKING(for IEEE compilation options)
735 AC_CACHE_VAL(ac_cv_ieee_option, [
737 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
738 # error "Option needed"
740 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
742 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
743 # error "Option needed"
745 ],ac_cv_ieee_option="-ieee",
747 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
748 # error "Option needed"
750 ],ac_cv_ieee_option="-mieee",
751 ac_cv_ieee_option="none"
756 AC_MSG_RESULT($ac_cv_ieee_option)
757 if test $ac_cv_ieee_option != none; then
758 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
761 dnl ----------------------------------------------------------------'
763 AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in])
767 dnl comment-start: "dnl "
769 dnl comment-start-skip: "\\bdnl\\b\\s *"
770 dnl compile-command: "make configure config.h.in"