1 dnl @(#) $Header: /tcpdump/master/tcpdump/configure.in,v 1.108 2000-01-25 05:05:21 itojun Exp $ (LBL)
3 dnl Copyright (c) 1994, 1995, 1996, 1997
4 dnl The Regents of the University of California. All rights reserved.
6 dnl Process this file with autoconf to produce a configure script.
9 AC_REVISION($Revision: 1.108 $)
17 if test -z "$PWD" ; then
21 AC_LBL_C_INIT(V_CCOPT, V_INCLS)
24 AC_CHECK_HEADERS(fcntl.h malloc.h memory.h rpc/rpcent.h)
30 AC_MSG_CHECKING(Linux kernel version)
31 AC_CACHE_VAL(ac_cv_linux_vers,
32 ac_cv_linux_vers=`uname -r 2>&1 | \
33 sed -n -e '$s/.* //' -e '$s/\..*//p'`)
34 AC_MSG_RESULT($ac_cv_linux_vers)
35 if test $ac_cv_linux_vers -lt 2 ; then
36 AC_MSG_ERROR(version 2 or higher required; see the INSTALL doc for more info)
38 AC_DEFINE(HAVE_NET_SLIP_H)
42 AC_CHECK_HEADERS(net/slip.h)
47 AC_CHECK_HEADERS(smi.h)
48 AC_CHECK_LIB(smi, main)
49 AC_MSG_CHECKING([whether to enable libsmi])
50 AC_TRY_RUN([ /* libsmi available check */
65 [ AC_MSG_RESULT(not when cross-compiling)
70 CFLAGS="$CFLAGS -Dss_family=__ss_family -Dss_len=__ss_len"
71 AC_MSG_CHECKING([whether to enable ipv6])
73 [ --enable-ipv6 enable ipv6 (with ipv4) support
74 --disable-ipv6 disable ipv6 support],
75 [ case "$enableval" in
76 yes) AC_MSG_RESULT(yes)
77 AC_DEFINE(ENABLE_IPV6)
78 LOCALSRC="print-ip6.c print-ip6opts.c print-ripng.c print-icmp6.c print-frag6.c print-rt6.c print-ospf6.c print-dhcp6.c $LOCALSRC"
88 AC_TRY_RUN([ /* AF_INET6 available check */
89 #include <sys/types.h>
90 #include <sys/socket.h>
93 if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
100 AC_DEFINE(ENABLE_IPV6)
101 LOCALSRC="print-ip6.c print-ip6opts.c print-ripng.c print-icmp6.c print-frag6.c print-rt6.c print-ospf6.c print-dhcp6.c $LOCALSRC"
114 if test "$ipv6" = "yes"; then
115 AC_MSG_CHECKING([ipv6 stack type])
116 for i in inria kame linux-glibc linux-libinet6 toshiba v6d zeta; do
119 dnl http://www.kame.net/
120 AC_EGREP_CPP(yes, [dnl
121 #include <netinet/in.h>
122 #ifdef IPV6_INRIA_VERSION
126 CFLAGS="-DINET6 $CFLAGS"])
129 dnl http://www.kame.net/
130 AC_EGREP_CPP(yes, [dnl
131 #include <netinet/in.h>
137 ipv6libdir=/usr/local/v6/lib;
139 CFLAGS="-DINET6 $CFLAGS"])
142 dnl http://www.v6.linux.or.jp/
143 AC_EGREP_CPP(yes, [dnl
144 #include <features.h>
145 #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
149 CFLAGS="-DINET6 $CFLAGS"])
152 dnl http://www.v6.linux.or.jp/
153 if test -d /usr/inet6 -o -f /usr/include/netinet/ip6.h; then
156 ipv6libdir=/usr/inet6/lib
158 CFLAGS="-DINET6 -I/usr/inet6/include $CFLAGS"
162 AC_EGREP_CPP(yes, [dnl
163 #include <sys/param.h>
164 #ifdef _TOSHIBA_INET6
169 ipv6libdir=/usr/local/v6/lib;
170 CFLAGS="-DINET6 $CFLAGS"])
173 AC_EGREP_CPP(yes, [dnl
174 #include </usr/local/v6/include/sys/v6config.h>
180 ipv6libdir=/usr/local/v6/lib;
181 CFLAGS="-I/usr/local/v6/include $CFLAGS"])
184 AC_EGREP_CPP(yes, [dnl
185 #include <sys/param.h>
186 #ifdef _ZETA_MINAMI_INET6
191 ipv6libdir=/usr/local/v6/lib;
192 CFLAGS="-DINET6 $CFLAGS"])
195 if test "$ipv6type" != "unknown"; then
199 AC_MSG_RESULT($ipv6type)
202 if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then
203 if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then
204 LIBS="-L$ipv6libdir -l$ipv6lib $LIBS"
205 echo "You have $ipv6lib library, using it"
207 if test "$ipv6trylibc" = "yes"; then
208 echo "You do not have $ipv6lib library, using libc"
210 echo 'Fatal: no $ipv6lib library found. cannot continue.'
211 echo "You need to fetch lib$ipv6lib.a from appropriate"
212 echo 'ipv6 kit and compile beforehand.'
219 if test "$ipv6" = "yes"; then
220 AC_CHECK_FUNCS(getaddrinfo, [dnl
221 AC_MSG_CHECKING(getaddrinfo bug)
223 #include <sys/types.h>
226 #include <sys/socket.h>
227 #include <netinet/in.h>
231 int passive, gaierr, inet4 = 0, inet6 = 0;
232 struct addrinfo hints, *ai, *aitop;
233 char straddr[INET6_ADDRSTRLEN], strport[16];
235 for (passive = 0; passive <= 1; passive++) {
236 memset(&hints, 0, sizeof(hints));
237 hints.ai_family = AF_UNSPEC;
238 hints.ai_flags = passive ? AI_PASSIVE : 0;
239 hints.ai_socktype = SOCK_STREAM;
240 if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
241 (void)gai_strerror(gaierr);
244 for (ai = aitop; ai; ai = ai->ai_next) {
245 if (ai->ai_addr == NULL ||
246 ai->ai_addrlen == 0 ||
247 getnameinfo(ai->ai_addr, ai->ai_addrlen,
248 straddr, sizeof(straddr), strport, sizeof(strport),
249 NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
252 switch (ai->ai_family) {
254 if (strcmp(strport, "54321") != 0) {
258 if (strcmp(straddr, "0.0.0.0") != 0) {
262 if (strcmp(straddr, "127.0.0.1") != 0) {
269 if (strcmp(strport, "54321") != 0) {
273 if (strcmp(straddr, "::") != 0) {
277 if (strcmp(straddr, "::1") != 0) {
294 /* another family support? */
300 /* supported family should be 2, unsupported family should be 0 */
301 if (!(inet4 == 0 || inet4 == 2))
303 if (!(inet6 == 0 || inet6 == 2))
319 buggygetaddrinfo=yes,
321 buggygetaddrinfo=yes)], [buggygetaddrinfo=yes])
323 if test "$buggygetaddrinfo" = "yes"; then
324 if test "$ipv6type" != "linux"; then
325 echo 'Fatal: You must get working getaddrinfo() function.'
326 echo ' or you can specify "--disable-ipv6"'.
329 echo 'Warning: getaddrinfo() implementation on your system seems be buggy.'
330 echo ' Better upgreade your system library to newest version'
331 echo ' of GNU C library (aka glibc).'
334 AC_REPLACE_FUNCS(getaddrinfo getnameinfo)
336 AC_REPLACE_FUNCS(inet_ntop inet_pton inet_aton)
338 dnl portability macros for getaddrinfo/getnameinfo
341 AC_CHECK_SA_LEN(ac_cv_sockaddr_has_sa_len)
342 if test "$ac_cv_sockaddr_has_sa_len" = no; then
348 AC_CHECK_PORTABLE_PROTO(ac_cv_portable_proto)
349 if test "$ac_cv_portable_proto" = no; then
354 dnl check sizeof basic types.
355 dnl They're very likely to be wrong for cross-compiling.
356 AC_CHECK_SIZEOF(char, 1)
357 AC_CHECK_SIZEOF(short, 2)
358 AC_CHECK_SIZEOF(int, 4)
359 AC_CHECK_SIZEOF(long, 4)
362 dnl Checks for u_intXX_t
363 dnl AC_CHECK_BITTYPES(ac_cv_bittypes)
364 dnl if test "$ac_cv_bittypes" = no; then
365 dnl missing_includes=yes
369 dnl Checks for addrinfo structure
370 AC_STRUCT_ADDRINFO(ac_cv_addrinfo)
371 if test "$ac_cv_addrinfo" = no; then
376 dnl Checks for NI_MAXSERV
377 AC_NI_MAXSERV(ac_cv_maxserv)
378 if test "$ac_cv_maxserv" = no; then
383 dnl Checks for NI_NAMEREQD
384 AC_NI_NAMEREQD(ac_cv_namereqd)
385 if test "$ac_cv_namereqd" = no; then
390 dnl Checks for sockaddr_storage structure
391 AC_STRUCT_SA_STORAGE(ac_cv_sa_storage)
392 if test "$ac_cv_sa_storage" = no; then
397 dnl Checks for IN[6]ADDRSZ
398 AC_CHECK_ADDRSZ(ac_cv_addrsz)
399 if test "$ac_cv_addrsz" = no; then
404 dnl Checks for RES_USE_INET6
405 AC_CHECK_RES_USE_INET6(ac_cv_res_inet6)
406 if test "$ac_cv_res_inet6" = no; then
411 dnl Checks for res_state_ext structure
412 AC_STRUCT_RES_STATE_EXT(ac_cv_res_state_ext)
413 if test "$ac_cv_res_state_ext" = no; then
418 dnl Checks if res_state structure has nsort member.
419 AC_STRUCT_RES_STATE(ac_cv_res_state)
422 dnl set additional include path if necessary
423 if test "$missing_includes" = "yes"; then
424 CPPFLAGS="$CPPFLAGS -I\$(srcdir)/missing"
425 V_INCLS="$V_INCLS -I\$(srcdir)/missing"
429 AC_REPLACE_FUNCS(vfprintf strcasecmp strlcat strlcpy)
430 AC_CHECK_FUNCS(ether_ntohost setlinebuf gethostbyname2)
433 AC_CHECK_FUNCS(vsnprintf snprintf asprintf asnprintf vasprintf vasnprintf,,
435 if test $needsnprintf = yes; then
436 LIBOBJS="$LIBOBJS snprintf.o"
439 dnl The following generates a warning from autoconf...
440 errprint(__file__:__line__: please ignore the next warning:
444 AC_CHECK_LIB(dnet, main)
445 AC_CHECK_LIB(rpc, main)
446 AC_CHECK_LIB(z, uncompress)
447 AC_CHECK_HEADERS(zlib.h)
451 AC_LBL_LIBPCAP(V_PCAPDEP, V_INCLS)
454 if test -f /etc/group -a ! -z "`grep '^wheel:' /etc/group`" ; then
460 dnl Workaround to enable certain features
469 V_INCLS="$V_INCLS -I\$(srcdir)/linux-include"
474 dnl Workaround around ip_hl vs. ip_vhl problem in netinet/ip.h
475 AC_DEFINE(__STDC__,2)
483 if test -f /dev/bpf0 ; then
487 AC_LBL_CHECK_TYPE(u_int8_t, u_char)
488 AC_LBL_CHECK_TYPE(int16_t, short)
489 AC_LBL_CHECK_TYPE(u_int16_t, u_short)
490 AC_LBL_CHECK_TYPE(int32_t, int)
491 AC_LBL_CHECK_TYPE(u_int32_t, u_int)
493 AC_LBL_DEVEL(V_CCOPT)
495 AC_LBL_SOCKADDR_SA_LEN
497 AC_MSG_CHECKING(if ether_header uses ether_addr structs)
498 AC_CACHE_VAL(ac_cv_ether_header_has_ea,
499 LBL_SAVE_CFLAGS="$CFLAGS"
500 CFLAGS="$CFLAGS $V_INCLS"
502 # include <sys/types.h>
504 /* osf3 has REALLY good prototyes */
508 # include <sys/socket.h>
510 # include <netinet/in.h>
511 # include <netinet/if_ether.h>],
513 sizeof(((struct ether_header *)0)->ether_dhost.ether_addr_octet)],
514 ac_cv_ether_header_has_ea=yes,
515 ac_cv_ether_header_has_ea=no)
516 CFLAGS="$LBL_SAVE_CFLAGS")
517 AC_MSG_RESULT($ac_cv_ether_header_has_ea)
518 if test $ac_cv_ether_header_has_ea = yes ; then
519 AC_DEFINE(ETHER_HEADER_HAS_EA)
522 AC_MSG_CHECKING(if ether_arp uses ether_addr structs)
523 AC_CACHE_VAL(ac_cv_ether_arp_has_ea,
524 LBL_SAVE_CFLAGS="$CFLAGS"
525 CFLAGS="$CFLAGS $V_INCLS"
527 # include <sys/types.h>
529 /* osf3 has REALLY good prototyes */
533 # include <sys/socket.h>
535 # include <netinet/in.h>
536 # include <netinet/if_ether.h>],
538 sizeof(((struct ether_arp *)0)->arp_sha.ether_addr_octet)],
539 ac_cv_ether_arp_has_ea=yes,
540 ac_cv_ether_arp_has_ea=no)
541 CFLAGS="$LBL_SAVE_CFLAGS")
542 AC_MSG_RESULT($ac_cv_ether_arp_has_ea)
543 if test $ac_cv_ether_arp_has_ea = yes ; then
544 AC_DEFINE(ETHER_ARP_HAS_EA)
547 AC_MSG_CHECKING(if ether_arp uses erp_xsha member)
548 AC_CACHE_VAL(ac_cv_struct_ether_arp_x,
549 LBL_SAVE_CFLAGS="$CFLAGS"
550 CFLAGS="$CFLAGS $V_INCLS"
552 # include <sys/types.h>
553 # include <sys/socket.h>
555 /* osf3 has REALLY good prototyes */
560 # include <netinet/in.h>
561 # include <netinet/if_ether.h>],
562 [u_int i = sizeof( ((struct ether_arp *)0)->arp_xsha)],
563 ac_cv_struct_ether_arp_x=yes,
564 ac_cv_struct_ether_arp_x=no)
565 CFLAGS="$LBL_SAVE_CFLAGS")
566 AC_MSG_RESULT($ac_cv_struct_ether_arp_x)
567 if test $ac_cv_struct_ether_arp_x = yes ; then
568 AC_DEFINE(ETHER_ARP_HAS_X)
571 AC_LBL_UNALIGNED_ACCESS
575 AC_MSG_CHECKING(for SSLeay)
578 for dir in /usr /usr/local /usr/local/ssl /usr/pkg; do
579 if test -d $dir/lib -a -f $dir/lib/libcrypto.a; then
580 ac_cv_ssleay_path=$dir
582 if test -d $dir/include/ssleay -a -f $dir/include/ssleay/des.h; then
583 incdir="-I$dir/include/ssleay"
584 elif test -d $dir/include/openssl -a -f $dir/include/openssl/des.h; then
585 incdir="-I$dir/include -I$dir/include/openssl"
586 elif test -d $dir/include -a -f $dir/include/des.h; then
587 incdir="-I$dir/include"
589 if test "$ac_cv_ssleay_path" != "no" -a "$incdir" != "no"; then
596 AC_MSG_RESULT($ac_cv_ssleay_path)
597 if test "$ac_cv_ssleay_path" != no; then
598 V_INCLS="$V_INCLS $incdir"
599 LIBS="$LIBS -L$dir/lib"
600 if test -f $ac_cv_ssleay_path/lib/libRSAglue.a; then
601 LIBS="$LIBS -lRSAglue"
603 if test -f $ac_cv_ssleay_path/lib/librsaref.a; then
604 LIBS="$LIBS -lrsaref"
606 AC_CHECK_LIB(crypto, des_cbc_encrypt)
608 bak_CPPFLAGS=$CPPFLAGS
609 CPPFLAGS="$CPPFLAGS $V_INCLS"
610 AC_CHECK_HEADERS(cast.h rc5.h)
612 if test "$ac_cv_header_cast_h" = "yes"; then
613 AC_MSG_CHECKING(for buggy CAST128)
619 unsigned char key[] = {0x01,0x23,0x45,0x67,0x12};
620 unsigned char in[] = {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF};
621 unsigned char out[sizeof(in)];
622 unsigned char ok[] = {0x7A,0xC8,0x16,0xD1,0x6E,0x9B,0x30,0x2E};
624 CAST_set_key(&ks, sizeof(key), key);
625 CAST_ecb_encrypt(in, out, &ks, CAST_ENCRYPT);
626 if (memcmp(out, ok, sizeof(ok)) != 0)
633 [buggy_cast128="cross-compiling, assume yes"])
634 AC_MSG_RESULT($buggy_cast128)
635 if test "$buggy_cast128" != no; then
636 echo "NOTE: SSLeay 0.9.0b has a bug in CAST128 en/decoding routine."
637 echo "disabling CAST128 support."
638 AC_DEFINE(HAVE_BUGGY_CAST128)
642 CPPFLAGS=$bak_CPPFLAGS
645 if test -r ${srcdir}/lbl/gnuc.h ; then
647 ln -s ${srcdir}/lbl/gnuc.h gnuc.h
658 AC_CONFIG_HEADER(config.h)
660 AC_OUTPUT_COMMANDS([if test -f .devel; then
661 echo timestamp > stamp-h
662 cat Makefile-devel-adds >> Makefile