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],[6.3.3],[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])])
177 dnl Check for libcrypt -- it may live in libc or libcrypt, as on IRIX
178 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt,crypt))
180 dnl Check for RSA refersence library in case we're using SSL
181 AC_CHECK_LIB(rsaref, RSAPublicDecrypt)
183 dnl AC_FUNC_SETVBUF_REVERSED
185 dnl Check for usable void pointer type
186 AC_MSG_CHECKING(use of void pointer type)
187 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[char *p;
189 p = (char *) xmalloc(1);
190 ]])],[AC_DEFINE(HAVE_VOIDPOINTER,1,[Define if your C compiler allows void * as a function result]) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
192 dnl Check for ANSI volatile
195 dnl Check out the wait reality. We have to assume sys/wait.h is present.
196 AC_CHECK_FUNCS(waitpid wait3)
197 AC_MSG_CHECKING(for union wait);
198 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
199 #include <sys/wait.h>]], [[union wait status; int pid; pid = wait (&status);
201 /* Some POSIXoid systems have both the new-style macros and the old
202 union wait type, and they do not work together. If union wait
203 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
204 if (WEXITSTATUS (status) != 0) pid = -1;
207 /* Make sure union wait works with waitpid. */
208 pid = waitpid (-1, &status, 0);
210 ]])],[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)])
212 AC_MSG_CHECKING(sys_siglist declaration in signal.h or unistd.h)
213 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>
214 /* NetBSD declares sys_siglist in <unistd.h>. */
217 #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)])
219 # Find the right directory to put the root-mode PID file in
220 for dir in "/var/run" "/etc"
227 AC_MSG_RESULT(root-mode pid file will go in $dir)
228 AC_DEFINE_UNQUOTED(PID_DIR, "$dir", directory for PID lock files)
230 # We may have a fallback MDA available in case the socket open to the
231 # local SMTP listener fails. Best to use procmail for this, as we know
232 # it won't try delivering through local SMTP and cause a mail loop.
233 # Sendmail without the -t option to use the message headers will work too,
234 # not just for sendmail itself but for workalikes like exim.
236 # Note1: A disadvantage of using procmail is that local alias expansion
237 # according to /etc/aliases won't get done if we fall back. This doesn't
238 # matter in single-drop mode.
240 # Note2: it would be a very bad idea to use any MDA that doesn't return
241 # a refuse-to-deliver status on disk- or process-table-full
242 # conditions; mail could get lost that way. Sendmail and all of the MDAs
243 # like exim that might be lurking under a sendmail alias) do the right
244 # thing in this circumstance. Matthias Andree warns that procmail does
247 # Note3: Defalt value of fallback is now off. Matthias writes:
249 # 1. there is no way to predict when the fallback is used. With some MTAs
250 # (such as those limiting load average), outer circumstances can cause
251 # the fallback to kick in.
253 # 2. the fallback changes fetchmail behaviour in unpredictable ways. It's
254 # not only about alias expansion, .forwards to special filters won't
255 # work, mail may end up in a different place (users claim "mail loss"
258 # 3. The claim procmail did the right thing with its exit codes is plain
259 # wrong. I've seen procmail exit with code 1 when it should have exited
260 # with code 75, like, configuration errors. Procmail is a dangerous
261 # beast and is best replaced by maildrop.
263 # 4. if multiple choices exist (like procmail and maildrop), fetchmail
264 # cannot tell which one it should choose. Say, your MTA is configured
265 # to use maildrop to deliver to user's mailboxes, if fetchmail then
266 # chooses procmail, this is plain wrong.
269 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
270 AC_PATH_PROG(sendmail, sendmail, "", $PATH:/usr/sbin:/usr/lib)
271 AC_PATH_PROG(maildrop, maildrop, "", $PATH:/usr/local/bin)
273 ### use option --disable-fallback to disable fallback MDA
274 ### use option --enable-fallback=procmail or
275 ### --enable-fallback=sendmail to select
276 AC_ARG_ENABLE(fallback,
277 [ --enable-fallback=procmail enable procmail as fallback
278 --enable-fallback=sendmail enable /usr/sbin/sendmail as fallback
279 --enable-fallback=maildrop enable maildrop as fallback
280 --enable-fallback=no disable fallback],,[enable_fallback=no])
282 case "$enable_fallback" in
283 sendmail) if test -z "$sendmail" ; then
284 AC_MSG_ERROR([Sendmail selected as fallback, but not found])
287 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$sendmail -i %T", Fallback MTA to use if defined)
288 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
290 procmail) if test -z "$procmail" ; then
291 AC_MSG_ERROR([procmail selected as fallback, but not found])
294 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$procmail -d %T")
295 AC_MSG_NOTICE(Will use $procmail as fallback MDA.)
297 maildrop) if test -z "$maildrop" ; then
298 AC_MSG_ERROR([maildrop selected as fallback, but not found])
301 AC_DEFINE_UNQUOTED(FALLBACK_MDA, "$maildrop -d %T")
302 AC_MSG_NOTICE(Will use $maildrop as fallback MDA.)
304 no|unset) AC_MSG_NOTICE(Will not use a fallback MDA.)
306 auto|yes|set) if test -n "$sendmail" ; then
307 AC_DEFINE_UNQUOTED(FALLBACK_MDA,"$sendmail -i %T")
308 AC_MSG_NOTICE(Will use $sendmail as fallback MDA.)
310 AC_MSG_WARN(No fallback MDA available. procmail and maildrop are not eligible)
311 AC_MSG_WARN(for automatic fallback MDA configuration for reliability reasons.)
314 *) AC_MSG_ERROR([unkown value for --enable-fallback given: $enable_fallback])
319 AC_CHECK_SIZEOF(short)
321 AC_CHECK_SIZEOF(long)
323 ### use option --enable-POP2 to compile in the POP2 support
325 [ --enable-POP2 compile in POP2 protocol support (obsolete)],
326 [with_POP2=$enableval],
328 test "$with_POP2" = "yes" && AC_DEFINE(POP2_ENABLE,1,Define if you want POP2 support compiled in)
330 ### use option --disable-POP3 to omit the POP3 support
332 [ --disable-POP3 don't compile in POP3 protocol support],
333 [with_POP3=$enableval],
335 test "$with_POP3" = "yes" && AC_DEFINE(POP3_ENABLE,1,Define if you want POP3 support compiled in)
337 ### use option --disable-IMAP to omit the IMAP support
339 [ --disable-IMAP don't compile in IMAP protocol support],
340 [with_IMAP=$enableval],
342 test "$with_IMAP" = "yes" && AC_DEFINE(IMAP_ENABLE,1,"Define if you want IMAP support compiled in")
344 ### use option --disable-ETRN to omit the ETRN support
346 [ --disable-ETRN don't compile in ETRN protocol support],
347 [with_ETRN=$enableval],
349 test "$with_ETRN" = "yes" && AC_DEFINE(ETRN_ENABLE,1,Define if you want ETRN support compiled in.)
351 ### use option --disable-ODMR to omit the ODMR support
353 [ --disable-ODMR don't compile in ODMR protocol support],
354 [with_ODMR=$enableval],
356 test "$with_ODMR" = "yes" && AC_DEFINE(ODMR_ENABLE,1,Define if you want ODMR support compiled in)
358 ### use option --enable-RPA to compile in the RPA support
360 [ --enable-RPA compile in RPA protocol support],
361 [with_RPA=$enableval],
363 test "$with_RPA" = "yes" && AC_DEFINE(RPA_ENABLE,1,Define if you want RPA support compiled in)
365 ### use option --enable-NTLM to compile in the NTLM support
367 [ --enable-NTLM compile in NTLM authentication support],
368 [with_NTLM=$enableval],
370 test "$with_NTLM" = "yes" && AC_DEFINE(NTLM_ENABLE,1,Define if you want NTLM authentication)
372 ### use option --enable-SDPS to compile in the SDPS support
374 [ --enable-SDPS compile in SDPS protocol support],
375 [with_SDPS=$enableval],
377 if test "$with_SDPS" = yes ; then
378 if test "$with_POP3" != yes ; then
379 AC_MSG_WARN([SDPS cannot be enabled with POP3 disabled. Disabling SDPS.])
382 AC_DEFINE(SDPS_ENABLE,1,Define if you want SDPS support compiled in)
386 ### use option --enable-opie to compile in the OPIE support
388 [ --enable-opie support OTP through the OPIE library],
389 [ AC_CHECK_HEADER(opie.h,, [AC_MSG_ERROR(cannot find <opie.h>, which is required for OPIE support.)])
390 AC_CHECK_LIB(opie,opiegenerator,, [AC_MSG_ERROR(cannot find libopie, which is required for OPIE support.)])
391 with_opie=$enableval],
393 test "$with_opie" = "yes" && AC_DEFINE(OPIE_ENABLE,1,Define if you want OPIE support compiled in)
395 AC_SEARCH_LIBS(getaddrinfo, inet6, [AC_DEFINE(HAVE_GETADDRINFO,1,[define to 1 if you have the getaddrinfo function])])
396 AC_CHECK_FUNCS(getnameinfo)
398 # This version of the Kerberos 4 and 5 options addresses the follwing issues:
400 # * Build correctly under Heimdal kerberos if it is compiled with db2 and
401 # OpenSSL support (Debian's is)
402 # * Build the kerberos.c stuff (KPOP) only for kerberosIV, to avoid breakage.
403 # I don't know if this is 100% correct, but now at least IMAP and POP3
404 # behave the same way regarding kerberosV.
405 # * Build without any fuss for both kerberosIV and V at the same time.
406 # * Move all the kerberos header mess to kerberos.h, and #include that
407 # in driver.c and kerberos.c.
409 # Tested using the Heimdal Kerberos V libs, Kungliga Tekniska Högskolan (the
410 # Royal Institute of Technology in Stockholm, Sweden)'s kerberos IV libs, and
411 # the MIT reference implementation of KerberosV (all as packaged in Debian).
413 ### use option --with-kerberos5=DIR to point at a Kerberos 5 directory
414 ### make sure --with-ssl is run before --with-kerberos* !
415 AC_ARG_WITH(kerberos5,
416 [ --with-kerberos5=DIR point fetchmail compilation at a Kerberos 5 directory],
418 if test "$with_kerberos5" != "no"
420 # Check for a OpenBSD special case
421 if test "$with_kerberos5" = "yes" && ( test `uname` = "OpenBSD" )
423 AS_MESSAGE(checking kerberosV for OpenBSD...)
424 AC_DEFINE(HEIMDAL,1,Define if you have HEIMDAL kerberos 5)
425 AC_DEFINE(KERBEROS_V5,1,Define if you have Kerberos V5)
426 CEFLAGS="$CEFLAGS -I/usr/include/kerberosV"
427 LIBS="$LIBS -lasn1 -lkrb5 -lcom_err -lkafs"
428 elif krb5-config 2> /dev/null >/dev/null ; then
429 krb5_prefix=`krb5-config --prefix krb5`
430 AC_MSG_RESULT([krb5-config points to kerberosV under $krb5_prefix])
431 if test -f ${krb5_prefix}/include/et/com_err.h && \
432 ! test -f ${krb5_prefix}/include/com_err.h ; then
433 CEFLAGS="$CEFLAGS -I${krb5_prefix}/include/et"
436 CEFLAGS="$CEFLAGS `krb5-config --cflags krb5`"
437 LIBS="$LIBS `krb5-config --libs krb5`"
438 AC_DEFINE(KERBEROS_V5)
440 if test "$with_kerberos5" != "yes"
442 LDEFLAGS="$LDEFLAGS -L${with_kerberos5}/lib"
443 searchdirs="$with_kerberos5"
445 searchdirs="/usr/kerberos /usr/local/krb5 /usr/athena /usr"
448 for dir in $searchdirs
449 do AC_MSG_CHECKING([for Kerberos V in $dir])
450 if test -f "$dir/include/krb5.h"
453 if test -f "$dir/include/roken.h"
455 ac_krblibs="-lasn1 -lroken -lcom_err"
456 AC_MSG_RESULT([Heimdal found])
457 dnl Attempt to detect if we need to -ldb2 to link Heimdal
458 dnl we assume we do if it is available
459 AC_CHECK_LIB(db2, db_open, ac_krblibs="$ac_krblibs -ldb2", [],
461 AC_CHECK_LIB(des, des_string_to_key, libk5crypto=-ldes,
462 AC_CHECK_LIB(ssl, MD5_Init, [],
463 AC_MSG_ERROR([DES libraries not found. Try adding --with-ssl to enable OpenSSL support]),
464 ${LDEFLAGS} ${ac_krblibs}),
465 ${LDEFLAGS} ${ac_krblibs})
468 AC_MSG_RESULT([found])
469 ac_krblibs="-lcom_err"
471 krb5_des_string_to_key,
472 libk5crypto=-lcrypto,
473 AC_CHECK_LIB(k5crypto,
474 krb5_des_string_to_key,
475 libk5crypto=-lk5crypto,
476 AC_MSG_ERROR([Kerberos 5 DES libraries not found]),
477 ${LDEFLAGS} ${ac_krblibs}),
478 ${LDEFLAGS} ${ac_krblibs})
480 AC_CHECK_LIB(krb5, krb5_init_context,[],
482 ${LDEFLAGS} ${ac_krblibs})
483 AC_DEFINE(KERBEROS_V5)
484 test "$dir" != "/usr" && CEFLAGS="$CEFLAGS -I$dir/include"
485 LDEFLAGS="$LDEFLAGS -L$dir/lib"
486 LIBS="$LIBS $ac_krblibs $libk5crypto"
490 AC_MSG_RESULT([not found])
493 if test -z "$with_kerberos5" ; then
494 AC_MSG_ERROR([Kerberos 5 libraries not found])
498 ]) dnl --with-kerberos5=DIR
500 ### use option --with-kerberos=DIR to point at a Kerberos 4 directory
501 AC_ARG_WITH(kerberos,
502 [ --with-kerberos=DIR point fetchmail compilation at a Kerberos 4 directory],
504 if test "$with_kerberos" != "no"
506 # Check for a NetBSD/OpenBSD special case
507 if test "$with_kerberos" = "yes" && ( test `uname` = "NetBSD" || test `uname` = "OpenBSD" )
509 AS_MESSAGE(checking kerberosIV for `uname`...)
510 AC_DEFINE(KERBEROS_V4,1,Define if you have Kerberos V4)
511 CEFLAGS="$CEFLAGS -I/usr/include/kerberosIV"
512 LIBS="$LIBS -lkrb -ldes"
513 elif krb4-config 2> /dev/null >/dev/null ; then
514 krb4_prefix=`krb4-config --prefix`
515 AC_MSG_RESULT([krb4-config points to kerberosIV under $krb4_prefix])
517 CEFLAGS="$CEFLAGS `krb4-config --cflags`"
518 LIBS="$LIBS `krb4-config --libs`"
519 AC_DEFINE(KERBEROS_V4)
520 elif krb5-config 2> /dev/null >/dev/null ; then
521 krb4_prefix=`krb5-config --prefix krb4`
522 AC_MSG_RESULT([krb5-config points to kerberosIV under $krb4_prefix])
523 if test -f ${krb4_prefix}/include/kerberosIV/krb.h ; then
524 AC_DEFINE(KERBEROS_V4_V5,1,Define if you have Kerberos V4 headers under a kerberosIV directory)
527 CEFLAGS="$CEFLAGS `krb5-config --cflags krb4`"
528 LIBS="$LIBS `krb5-config --libs krb4`"
529 AC_DEFINE(KERBEROS_V4)
531 #we need to detect when we're building under a kerberosV compatibility
533 if test "$with_kerberos" != "yes" ; then
534 searchdirs="$with_kerberos"
536 searchdirs="$with_kerberos5 /usr/kerberos /usr/kerberosIV /usr/athena /usr"
539 ac_saveLDFLAGS="$LDFLAGS"
540 for dir in $searchdirs
542 AC_MSG_CHECKING([for Kerberos IV in $dir])
543 if test -f "$dir/include/krb.h" || test -f "$dir/include/krb4.h" \
544 || test -f "$dir/include/kerberosIV/krb.h"
546 AC_MSG_RESULT([found])
548 AC_MSG_RESULT([not found])
552 if test -f "$with_kerberos5/roken.h" ; then
553 AC_CHECK_LIB(45, krb_mk_req)
555 LDFLAGS="-L$dir/lib $ac_saveLDFLAGS"
556 if test `uname` = "FreeBSD"; then
557 AC_SEARCH_LIBS(_ossl_old_des_string_to_key, [des425 des crypto], [], continue)
559 AC_SEARCH_LIBS(des_string_to_key, [crypto], [], continue)
561 AC_SEARCH_LIBS(krb_realmofhost, [krb4 krb], [], continue)
563 if test -f "$dir/include/kerberosIV/krb.h" ; then
564 dir="$dir/include/kerberosIV"
568 AC_DEFINE(KERBEROS_V4)
569 test -f "$with_kerberos5/roken.h" && AC_DEFINE(HEIMDAL)
570 test "$dir" != "/usr/include" && CEFLAGS="$CEFLAGS -I$dir"
571 LDEFLAGS="$LDEFLAGS -L$with_kerberos/lib"
574 if test -z "$with_kerberos" ; then
575 AC_MSG_ERROR([Kerberos 4 libraries not found])
577 LDFLAGS="$ac_saveLDFLAGS"
580 ]) dnl --with-kerberos=DIR
582 ### use option --with-ssl to compile in the SSL support
584 [ --with-ssl=[DIR] enable SSL support using libraries in DIR],
587 test "$with_ssl" != "no" && AC_DEFINE(SSL_ENABLE,1,Define if you want SSL support compiled in)
589 if test "$with_ssl" = "yes"
591 # He didn't specify an SSL location. Let's look at some common
592 # directories where SSL has been found in the past and try and auto
593 # configure for SSL. OpenSSL determination will be made later.
594 # This will screw up if an OpenSSL install is located in a later
595 # directory than an older SSLeay install, but the user should fix that
596 # anyways and he can override on the configure line.
597 # Just testing for directories is not sufficient, /usr exists on
609 if test -r "$ac_dir/include/openssl/ssl.h" ; then
616 if test -n "$with_ssl" -a "$with_ssl" != "no"
618 # With the autoconfigure above, the only time this is going to be
619 # true is going to be when we could not find the headers. If they
620 # are not in system standard locations, we are going to be broken.
621 if test "$with_ssl" = "yes"
623 # Let's just define the standard location for the SSLeay root
624 with_ssl="/usr/local/ssl"
626 if test -r $with_ssl/include/openssl/ssl.h
628 ### ssl.h found under openssl. Use openssl configuration preferentially,
629 AC_MSG_NOTICE(Enabling OpenSSL support in $with_ssl.)
630 test "$with_ssl" != "/usr" && CEFLAGS="$CEFLAGS -I$with_ssl/include"
631 ### In Red Hat 9, this file includes a reference to <krb5.h>, so we
632 ### force the Kerberos direcory onto the include path so it will build.
633 CEFLAGS="$CEFLAGS -I/usr/kerberos/include"
634 ### OpenBSD comes with ssl headers
636 AC_MSG_ERROR([SSL support enabled, but OpenSSL not found])
638 LDEFLAGS="$LDEFLAGS -L$with_ssl/lib"
639 LIBS="$LIBS -lssl -lcrypto"
640 dnl check if -ldl is needed
641 AC_MSG_CHECKING([for additional library dependencies of SSL])
644 for i in "" "-ldl" ; do
645 LIBS="$LDEFLAGS $save_LIBS $i"
646 AC_LINK_IFELSE([AC_LANG_PROGRAM(,[SSL_library_init()])],[found=1; break])
648 if test $found = 0 ; then
649 AC_MSG_RESULT([error])
650 AC_MSG_ERROR([cannot link with SSL - check config.log])
653 if test "$i" = "" ; then i="(none)" ; fi
655 dnl XXX FIXME: use pkg-config if available!
656 AC_DEFINE(SSL_ENABLE)
658 AC_MSG_NOTICE(Disabling SSL support.)
661 ### use option --with-socks=DIR to point at SOCKS library
663 [ --with-socks[=DIR] add built-in SOCKS firewall access],
665 if test "$with_socks" != no
667 if test "$with_socks" != yes
669 LDEFLAGS="$LDEFLAGS -L$with_socks"
671 AC_CHECK_LIB(socks, Rconnect,,
672 AC_MSG_ERROR([could not find libsocks which is needed for built-in SOCKS support]))
674 AC_DEFINE(HAVE_SOCKS,1,Define if you want built-in SOCKS support)
675 CEFLAGS="$CEFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
679 ### use option --with-socks5=DIR to point at SOCKS library
681 [ --with-socks5[=DIR] add built-in SOCKS5 firewall access],
683 if test "$with_socks5" != no
685 if test "$with_socks5" != yes
687 LDEFLAGS="$LDEFLAGS -L$with_socks5"
689 ac_savedLDFLAGS="$LDFLAGS"
690 LDFLAGS="$LDEFLAGS $LDFLAGS"
691 AC_CHECK_LIB(socks5, SOCKSconnect,,
692 AC_MSG_ERROR([could not find libsocks5 which is needed for built-in SOCKS5 support]))
693 AC_DEFINE(HAVE_SOCKS)
694 CEFLAGS="$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"
695 AC_CHECK_FUNC(SOCKSfclose, [CFLAGS="$CFLAGS -Dfclose=SOCKSfclose"])
696 LDFLAGS="$ac_savedLDFLAGS"
699 ACX_WHICH_GETHOSTBYNAME_R
701 ### use option --with-hesiod=DIR to point at a HESIOD directory
702 AC_ma_SEARCH_PACKAGE(hesiod, hesiod_getmailhost, /usr/athena /usr /usr/local,hesiod, hesiod.h)
704 ### use option --with-gssapi=DIR to compile in GSSAPI support
706 [ --with-gssapi[=DIR] compile in GSSAPI support using libraries in DIR],
708 if test "$with_gssapi" != "no"
710 if test "$with_gssapi" = "yes" -a -n "$with_kerberos5"
712 with_gssapi=$with_kerberos5
714 if test "$with_gssapi" != "yes" -a -n "$with_gssapi"
716 CFLAGS="$CFLAGS -I$with_gssapi/include"
717 LDFLAGS="$LDFLAGS -L$with_gssapi/lib"
720 AC_CHECK_LIB(gss, gss_check_version, LIBS="$LIBS -lgss", nogss=t)
723 if test -f "$with_gssapi/include/roken.h"
725 LIBS="$LIBS -lkrb5 -lasn1 -ldes -lroken -ldb -ldl"
726 AC_CHECK_LIB(gssapi, gss_init_sec_context,LIBS="$LIBS -lgssapi",
727 AC_MSG_ERROR([could not find libgssapi which is needed for GSSAPI support]), )
730 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,LIBS="$LIBS -lgssapi_krb5",
731 AC_MSG_ERROR([could not find libgssapi_krb5 which is needed for GSSAPI support]), -lkrb5)
734 AC_DEFINE(GSSAPI,1,Define if you want GSSAPI authentication)
735 save_CPPFLAGS=$CPPFLAGS
736 CPPFLAGS="-I$with_gssapi/include"
737 AC_CHECK_HEADERS(gss.h gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h)
738 if test "$ac_cv_header_gssapi_h" = "yes"; then
739 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))
741 AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE))
749 dnl ,------------------------------------------------------------------
750 dnl Check if we need TRIO
752 if test "$FORCE_TRIO" = "yes" ; then
754 ac_cv_func_vsnprintf=no
755 ac_cv_func_snprintf=no
757 if test "x$ac_cv_func_snprintf" != "xyes" ; then
758 AC_DEFINE(snprintf, trio_snprintf,
759 [Define to trio_snprintf if your system lacks snprintf])
762 if test "x$ac_cv_func_vsnprintf" != "xyes" ; then
763 AC_DEFINE(vsnprintf, trio_vsnprintf,
764 [Define to trio_vsnprintf if your system lacks vsnprintf])
767 AM_CONDITIONAL(NEED_TRIO, test "$needtrio" = 1)
769 dnl TRIO IEEE compiler option for Alpha
771 if test "$needtrio" = 1 ; then
772 AC_MSG_CHECKING(for IEEE compilation options)
773 AC_CACHE_VAL(ac_cv_ieee_option, [
775 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && (defined(VMS) || defined(__VMS)))
776 # error "Option needed"
778 ],ac_cv_ieee_option="/IEEE_MODE=UNDERFLOW_TO_ZERO/FLOAT=IEEE",
780 #if !(defined(__alpha) && (defined(__DECC) || defined(__DECCXX) || (defined(__osf__) && defined(__LANGUAGE_C__))) && !(defined(VMS) || defined(__VMS)) && !defined(_CFE))
781 # error "Option needed"
783 ],ac_cv_ieee_option="-ieee",
785 #if !(defined(__alpha) && (defined(__GNUC__) && (defined(__osf__) || defined(__linux__))))
786 # error "Option needed"
788 ],ac_cv_ieee_option="-mieee",
789 ac_cv_ieee_option="none"
794 AC_MSG_RESULT($ac_cv_ieee_option)
795 if test $ac_cv_ieee_option != none; then
796 CFLAGS="${CFLAGS} ${ac_cv_ieee_option}"
799 dnl ----------------------------------------------------------------'
801 AC_CONFIG_FILES([Makefile m4/Makefile po/Makefile.in genlsm.sh])
805 dnl comment-start: "dnl "
807 dnl comment-start-skip: "\\bdnl\\b\\s *"
808 dnl compile-command: "make configure config.h.in"