Drop main() prototype. Syncs with NetBSD-8
[minix.git] / external / bsd / libpcap / dist / configure.in
blob7ddd7d31d7183e7b535cae6d04fc93284e61afd9
1 dnl
2 dnl Copyright (c) 1994, 1995, 1996, 1997
3 dnl     The Regents of the University of California.  All rights reserved.
4 dnl
5 dnl Process this file with autoconf to produce a configure script.
6 dnl
9 # See
11 #       http://ftp.gnu.org/gnu/config/README
13 # for the URLs to use to fetch new versions of config.guess and
14 # config.sub.
17 AC_PREREQ(2.61)
18 AC_INIT(pcap.c)
20 AC_CANONICAL_SYSTEM
22 AC_LBL_C_INIT_BEFORE_CC(V_CCOPT, V_INCLS)
23 AC_PROG_CC
24 AC_LBL_C_INIT(V_CCOPT, V_INCLS)
25 AC_LBL_SHLIBS_INIT
26 AC_LBL_C_INLINE
27 AC_C___ATTRIBUTE__
28 if test "$ac_cv___attribute__" = "yes"; then
29         AC_C___ATTRIBUTE___UNUSED
30         AC_C___ATTRIBUTE___FORMAT
33 AC_CHECK_HEADERS(sys/bitypes.h)
35 AC_CHECK_TYPE([int8_t], ,
36         [AC_DEFINE([int8_t], [signed char],
37         [Define to `signed char' if int8_t not defined.])],
38         [AC_INCLUDES_DEFAULT
39 #ifdef HAVE_SYS_BITYPES_H
40 #include <sys/bitypes.h>
41 #endif])
42 AC_CHECK_TYPE([u_int8_t], ,
43         [AC_DEFINE([u_int8_t], [unsigned char],
44         [Define to `unsigned char' if u_int8_t not defined.])],
45         [AC_INCLUDES_DEFAULT
46 #ifdef HAVE_SYS_BITYPES_H
47 #include <sys/bitypes.h>
48 #endif])
49 AC_CHECK_TYPE([int16_t], ,
50         [AC_DEFINE([int16_t], [short],
51         [Define to `short' if int16_t not defined.])]
52         [AC_INCLUDES_DEFAULT
53 #ifdef HAVE_SYS_BITYPES_H
54 #include <sys/bitypes.h>
55 #endif])
56 AC_CHECK_TYPE([u_int16_t], ,
57         [AC_DEFINE([u_int16_t], [unsigned short],
58         [Define to `unsigned short' if u_int16_t not defined.])],
59         [AC_INCLUDES_DEFAULT
60 #ifdef HAVE_SYS_BITYPES_H
61 #include <sys/bitypes.h>
62 #endif])
63 AC_CHECK_TYPE([int32_t], ,
64         [AC_DEFINE([int32_t], [int],
65         [Define to `int' if int32_t not defined.])],
66         [AC_INCLUDES_DEFAULT
67 #ifdef HAVE_SYS_BITYPES_H
68 #include <sys/bitypes.h>
69 #endif])
70 AC_CHECK_TYPE([u_int32_t], ,
71         [AC_DEFINE([u_int32_t], [unsigned int],
72         [Define to `unsigned int' if u_int32_t not defined.])],
73         [AC_INCLUDES_DEFAULT
74 #ifdef HAVE_SYS_BITYPES_H
75 #include <sys/bitypes.h>
76 #endif])
77 AC_CHECK_TYPE([int64_t], ,
78         [AC_DEFINE([int64_t], [long long],
79         [Define to `long long' if int64_t not defined.])],
80         [AC_INCLUDES_DEFAULT
81 #ifdef HAVE_SYS_BITYPES_H
82 #include <sys/bitypes.h>
83 #endif])
84 AC_CHECK_TYPE([u_int64_t], ,
85         [AC_DEFINE([u_int64_t], [unsigned long long],
86         [Define to `unsigned long long' if u_int64_t not defined.])],
87         [AC_INCLUDES_DEFAULT
88 #ifdef HAVE_SYS_BITYPES_H
89 #include <sys/bitypes.h>
90 #endif])
93 # Try to arrange for large file support.
95 AC_SYS_LARGEFILE
96 AC_FUNC_FSEEKO
98 dnl
99 dnl Even if <net/bpf.h> were, on all OSes that support BPF, fixed to
100 dnl include <sys/ioccom.h>, and we were to drop support for older
101 dnl releases without that fix, so that pcap-bpf.c doesn't need to
102 dnl include <sys/ioccom.h>, the test program in "AC_LBL_FIXINCLUDES"
103 dnl in "aclocal.m4" uses it, so we would still have to test for it
104 dnl and set "HAVE_SYS_IOCCOM_H" if we have it, otherwise
105 dnl "AC_LBL_FIXINCLUDES" wouldn't work on some platforms such as Solaris.
107 AC_CHECK_HEADERS(sys/ioccom.h sys/sockio.h limits.h paths.h)
108 AC_CHECK_HEADERS(linux/types.h)
109 AC_CHECK_HEADERS(linux/if_packet.h netpacket/packet.h netpacket/if_packet.h)
110 AC_CHECK_HEADERS(net/pfvar.h, , , [#include <sys/types.h>
111 #include <sys/socket.h>
112 #include <net/if.h>])
113 if test "$ac_cv_header_net_pfvar_h" = yes; then
114         #
115         # Check for various PF actions.
116         #
117         AC_MSG_CHECKING(whether net/pfvar.h defines PF_NAT through PF_NORDR)
118         AC_TRY_COMPILE(
119             [#include <sys/types.h>
120             #include <sys/socket.h>
121             #include <net/if.h>
122             #include <net/pfvar.h>],
123             [return PF_NAT+PF_NONAT+PF_BINAT+PF_NOBINAT+PF_RDR+PF_NORDR;],
124             [
125                 AC_MSG_RESULT(yes)
126                 AC_DEFINE(HAVE_PF_NAT_THROUGH_PF_NORDR, 1,
127                     [define if net/pfvar.h defines PF_NAT through PF_NORDR])
128             ],
129             AC_MSG_RESULT(no))
131 AC_CHECK_HEADERS(netinet/if_ether.h, , , [#include <sys/types.h>
132 #include <sys/socket.h>])
133 if test "$ac_cv_header_netinet_if_ether_h" != yes; then
134         #
135         # The simple test didn't work.
136         # Do we need to include <net/if.h> first?
137         # Unset ac_cv_header_netinet_if_ether_h so we don't
138         # treat the previous failure as a cached value and
139         # suppress the next test.
140         #
141         AC_MSG_NOTICE([Rechecking with some additional includes])
142         unset ac_cv_header_netinet_if_ether_h
143         AC_CHECK_HEADERS(netinet/if_ether.h, , , [#include <sys/types.h>
144 #include <sys/socket.h>
145 #include <netinet/in.h>
146 struct mbuf;
147 struct rtentry;
148 #include <net/if.h>])
151 AC_LBL_FIXINCLUDES
153 AC_CHECK_FUNCS(strerror strlcpy)
155 needsnprintf=no
156 AC_CHECK_FUNCS(vsnprintf snprintf,,
157         [needsnprintf=yes])
158 if test $needsnprintf = yes; then
159         AC_LIBOBJ([snprintf])
163 # Do this before checking for ether_hostton(), as it's a
164 # "gethostbyname() -ish function".
166 AC_LBL_LIBRARY_NET
169 # You are in a twisty little maze of UN*Xes, all different.
170 # Some might not have ether_hostton().
171 # Some might have it, but not declare it in any header file.
172 # Some might have it, but declare it in <netinet/if_ether.h>.
173 # Some might have it, but declare it in <netinet/ether.h>
174 # (And some might have it but document it as something declared in
175 # <netinet/ethernet.h>, although <netinet/if_ether.h> appears to work.)
177 # Before you is a C compiler.
179 AC_CHECK_FUNCS(ether_hostton)
180 if test "$ac_cv_func_ether_hostton" = yes; then
181         #
182         # OK, we have ether_hostton().  Do we have <netinet/if_ether.h>?
183         #
184         if test "$ac_cv_header_netinet_if_ether_h" = yes; then
185                 #
186                 # Yes.  Does it declare ether_hostton()?
187                 #
188                 AC_CHECK_DECL(ether_hostton,
189                     [
190                         AC_DEFINE(NETINET_IF_ETHER_H_DECLARES_ETHER_HOSTTON,,
191                             [Define to 1 if netinet/if_ether.h declares `ether_hostton'])
192                     ],,
193                     [
194 #include <sys/types.h>
195 #include <sys/socket.h>
196 #include <netinet/in.h>
197 #include <arpa/inet.h>
198 struct mbuf;
199 struct rtentry;
200 #include <net/if.h>
201 #include <netinet/if_ether.h>
202                     ])
203         fi
204         #
205         # Did that succeed?
206         #
207         if test "$ac_cv_have_decl_ether_hostton" != yes; then
208                 #
209                 # No, how about <netinet/ether.h>, as on Linux?
210                 #
211                 AC_CHECK_HEADERS(netinet/ether.h)
212                 if test "$ac_cv_header_netinet_ether_h" = yes; then
213                         #
214                         # We have it - does it declare ether_hostton()?
215                         # Unset ac_cv_have_decl_ether_hostton so we don't
216                         # treat the previous failure as a cached value and
217                         # suppress the next test.
218                         #
219                         unset ac_cv_have_decl_ether_hostton
220                         AC_CHECK_DECL(ether_hostton,
221                             [
222                                 AC_DEFINE(NETINET_ETHER_H_DECLARES_ETHER_HOSTTON,,
223                                     [Define to 1 if netinet/ether.h declares `ether_hostton'])
224                             ],,
225                             [
226 #include <netinet/ether.h>
227                             ])
228                 fi
229         fi
230         #
231         # Is ether_hostton() declared?
232         #
233         if test "$ac_cv_have_decl_ether_hostton" != yes; then
234                 #
235                 # No, we'll have to declare it ourselves.
236                 # Do we have "struct ether_addr"?
237                 #
238                 AC_CHECK_TYPES(struct ether_addr,,,
239                     [
240 #include <sys/types.h>
241 #include <sys/socket.h>
242 #include <netinet/in.h>
243 #include <arpa/inet.h>
244 struct mbuf;
245 struct rtentry;
246 #include <net/if.h>
247 #include <netinet/if_ether.h>
248                     ])
249                 AC_DEFINE(HAVE_DECL_ETHER_HOSTTON, 0,
250                     [Define to 1 if you have the declaration of `ether_hostton', and to 0 if you
251 don't.])
252         else
253                 AC_DEFINE(HAVE_DECL_ETHER_HOSTTON, 1,
254                     [Define to 1 if you have the declaration of `ether_hostton', and to 0 if you
255 don't.])
256         fi
259 dnl to pacify those who hate protochain insn
260 AC_MSG_CHECKING(if --disable-protochain option is specified)
261 AC_ARG_ENABLE(protochain,
262 AC_HELP_STRING([--disable-protochain],[disable \"protochain\" insn]))
263 case "x$enable_protochain" in
264 xyes)   enable_protochain=enabled       ;;
265 xno)    enable_protochain=disabled      ;;
266 x)      enable_protochain=enabled       ;;
267 esac
269 if test "$enable_protochain" = "disabled"; then
270         AC_DEFINE(NO_PROTOCHAIN,1,[do not use protochain])
272 AC_MSG_RESULT(${enable_protochain})
275 # SITA support is mutually exclusive with native capture support;
276 # "--with-sita" selects SITA support.
278 AC_ARG_WITH(sita,
279 AC_HELP_STRING([--with-sita],[include SITA support]),
281         if test ! "x$withval" = "xno" ; then
282                 AC_DEFINE(SITA,1,[include ACN support])
283                 AC_MSG_NOTICE(Enabling SITA ACN support)
284                 V_PCAP=sita
285                 V_FINDALLDEVS=sita
286         fi
290 dnl Not all versions of test support -c (character special) but it's a
291 dnl better way of testing since the device might be protected. So we
292 dnl check in our normal order using -r and then check the for the /dev
293 dnl guys again using -c.
295 dnl XXX This could be done for cross-compiling, but for now it's not.
297 if test -z "$with_pcap" && test "$cross_compiling" = yes; then
298         AC_MSG_ERROR(pcap type not determined when cross-compiling; use --with-pcap=...)
300 AC_ARG_WITH(pcap,
301 AC_HELP_STRING([--with-pcap=TYPE],[use packet capture TYPE]))
302 AC_MSG_CHECKING(packet capture type)
303 if test ! -z "$with_pcap" ; then
304         V_PCAP="$withval"
305 elif test -r /dev/bpf -o -h /dev/bpf ; then
306         #
307         # Cloning BPF device.
308         #
309         V_PCAP=bpf
310         AC_DEFINE(HAVE_CLONING_BPF,1,[define if you have a cloning BPF device])
311 elif test -r /dev/bpf0 ; then
312         V_PCAP=bpf
313 elif test -r /usr/include/net/pfilt.h ; then
314         V_PCAP=pf
315 elif test -r /dev/enet ; then
316         V_PCAP=enet
317 elif test -r /dev/nit ; then
318         V_PCAP=snit
319 elif test -r /usr/include/sys/net/nit.h ; then
320         V_PCAP=nit
321 elif test -r /usr/include/linux/socket.h ; then
322         V_PCAP=linux
323 elif test -r /usr/include/net/raw.h ; then
324         V_PCAP=snoop
325 elif test -r /usr/include/odmi.h ; then
326         #
327         # On AIX, the BPF devices might not yet be present - they're
328         # created the first time libpcap runs after booting.
329         # We check for odmi.h instead.
330         #
331         V_PCAP=bpf
332 elif test -c /dev/bpf0 ; then           # check again in case not readable
333         V_PCAP=bpf
334 elif test -r /usr/include/sys/dlpi.h ; then
335         V_PCAP=dlpi
336 elif test -c /dev/enet ; then           # check again in case not readable
337         V_PCAP=enet
338 elif test -c /dev/nit ; then            # check again in case not readable
339         V_PCAP=snit
340 else
341         V_PCAP=null
343 AC_MSG_RESULT($V_PCAP)
346 # Do capture-mechanism-dependent tests.
348 case "$V_PCAP" in
349 dlpi)
350         #
351         # Needed for common functions used by pcap-[dlpi,libdlpi].c
352         #
353         SSRC="dlpisubs.c"
355         #
356         # Checks for some header files.
357         #
358         AC_CHECK_HEADERS(sys/bufmod.h sys/dlpi_ext.h)
360         #
361         # Checks to see if Solaris has the public libdlpi(3LIB) library.
362         # Note: The existence of /usr/include/libdlpi.h does not mean it is the
363         # public libdlpi(3LIB) version. Before libdlpi was made public, a
364         # private version also existed, which did not have the same APIs.
365         # Due to a gcc bug, the default search path for 32-bit libraries does
366         # not include /lib, we add it explicitly here.
367         # [http://bugs.opensolaris.org/view_bug.do?bug_id=6619485].
368         # Also, due to the bug above applications that link to libpcap with
369         # libdlpi will have to add "-L/lib" option to "configure".
370         #
371         saved_ldflags=$LDFLAGS
372         LDFLAGS="$LIBS -L/lib"
373         AC_CHECK_LIB(dlpi, dlpi_walk,
374                 [
375                         LIBS="-ldlpi $LIBS"
376                         V_PCAP=libdlpi
377                         AC_DEFINE(HAVE_LIBDLPI,1,[if libdlpi exists])
378                 ],
379                 V_PCAP=dlpi)
380         LDFLAGS=$saved_ldflags
382         #
383         # Checks whether <sys/dlpi.h> is usable, to catch weird SCO
384         # versions of DLPI.
385         #
386         AC_MSG_CHECKING(whether <sys/dlpi.h> is usable)
387         AC_CACHE_VAL(ac_cv_sys_dlpi_usable,
388                 AC_TRY_COMPILE(
389                     [
390                         #include <sys/types.h>
391                         #include <sys/time.h>
392                         #include <sys/dlpi.h>
393                     ],
394                     [int i = DL_PROMISC_PHYS;],
395                     ac_cv_sys_dlpi_usable=yes,
396                     ac_cv_sys_dlpi_usable=no))
397         AC_MSG_RESULT($ac_cv_sys_dlpi_usable)
398         if test $ac_cv_sys_dlpi_usable = no ; then
399                 AC_MSG_ERROR(<sys/dlpi.h> is not usable on this system; it probably has a non-standard DLPI)
400         fi
402         #
403         # Check whether we have a /dev/dlpi device or have multiple devices.
404         #
405         AC_MSG_CHECKING(for /dev/dlpi device)
406         if test -c /dev/dlpi ; then
407                 AC_MSG_RESULT(yes)
408                 AC_DEFINE(HAVE_DEV_DLPI, 1, [define if you have a /dev/dlpi])
409         else
410                 AC_MSG_RESULT(no)
411                 dir="/dev/dlpi"
412                 AC_MSG_CHECKING(for $dir directory)
413                 if test -d $dir ; then
414                         AC_MSG_RESULT(yes)
415                         AC_DEFINE_UNQUOTED(PCAP_DEV_PREFIX, "$dir", [/dev/dlpi directory])
416                 else
417                         AC_MSG_RESULT(no)
418                 fi
419         fi
421         #
422         # This check is for Solaris with DLPI support for passive modes.
423         # See dlpi(7P) for more details.
424         #
425         AC_LBL_DL_PASSIVE_REQ_T
426         ;;
428 linux)
429         #
430         # Do we have the wireless extensions?
431         #
432         AC_CHECK_HEADERS(linux/wireless.h, [], [],
433         [
434 #include <sys/socket.h>
435 #include <linux/if.h>
436 #include <linux/types.h>
437         ])
439         #
440         # Do we have libnl?
441         #
442         AC_ARG_WITH(libnl,
443         AC_HELP_STRING([--without-libnl],[disable libnl support @<:@default=yes, on Linux, if present@:>@]),
444                 with_libnl=$withval,,)
446         if test x$with_libnl != xno ; then
447                 have_any_nl="no"
449                 incdir=-I/usr/include/libnl3
450                 libnldir=
451                 if test x$withval != x ; then
452                   libnldir=-L${withval}/lib/.libs
453                   incdir=-I${withval}/include
454                 fi
456                 #
457                 # Try libnl 3.x first.
458                 #
459                 AC_CHECK_LIB(nl-3, nl_socket_alloc,
460                 [
461                         #
462                         # Yes, we have libnl 3.x.
463                         #
464                         LIBS="${libnldir} -lnl-genl-3 -lnl-3 $LIBS"
465                         AC_DEFINE(HAVE_LIBNL,1,[if libnl exists])
466                         AC_DEFINE(HAVE_LIBNL_3_x,1,[if libnl exists and is version 3.x])
467                         AC_DEFINE(HAVE_LIBNL_NLE,1,[libnl has NLE_FAILURE])
468                         AC_DEFINE(HAVE_LIBNL_SOCKETS,1,[libnl has new-style socket api])
469                         V_INCLS="$V_INCLS ${incdir}"
470                         have_any_nl="yes"
471                 ],[], ${incdir} ${libnldir} -lnl-genl-3 -lnl-3 )
473                 if test x$have_any_nl = xno ; then
474                         #
475                         # Try libnl 2.x
476                         #
477                         AC_CHECK_LIB(nl, nl_socket_alloc,
478                         [
479                                 #
480                                 # Yes, we have libnl 2.x.
481                                 #
482                                 LIBS="${libnldir} -lnl-genl -lnl $LIBS"
483                                 AC_DEFINE(HAVE_LIBNL,1,[if libnl exists])
484                                 AC_DEFINE(HAVE_LIBNL_2_x,1,[if libnl exists and is version 2.x])
485                                 AC_DEFINE(HAVE_LIBNL_NLE,1,[libnl has NLE_FAILURE])
486                                 AC_DEFINE(HAVE_LIBNL_SOCKETS,1,[libnl has new-style socket api])
487                                 have_any_nl="yes"
488                         ])
489                 fi
491                 if test x$have_any_nl = xno ; then
492                         #
493                         # No, we don't; do we have libnl 1.x?
494                         #
495                         AC_CHECK_LIB(nl, nl_handle_alloc,
496                         [
497                                 #
498                                 # Yes.
499                                 #
500                                 LIBS="${libnldir} -lnl $LIBS"
501                                 AC_DEFINE(HAVE_LIBNL,1,[if libnl exists])
502                                 have_any_nl="yes"
503                         ])
504                 fi
506                 if test x$have_any_nl = xno ; then
507                         #
508                         # No, we don't have libnl at all.
509                         #
510                         if test x$with_libnl = xyes ; then
511                                 AC_MSG_ERROR([libnl support requested but libnl not found])
512                         fi
513                 fi
514         fi
516         AC_CHECK_HEADERS(linux/ethtool.h,,,
517             [
518 AC_INCLUDES_DEFAULT
519 #include <linux/types.h>
520             ])
521         AC_LBL_TPACKET_STATS
522         AC_LBL_LINUX_TPACKET_AUXDATA_TP_VLAN_TCI
523         ;;
525 bpf)
526         #
527         # Check whether we have the *BSD-style ioctls.
528         #
529         AC_CHECK_HEADERS(net/if_media.h)
531         AC_MSG_CHECKING(whether the system supports zerocopy BPF)
532         AC_TRY_COMPILE(
533             [#include <sys/socket.h>
534             #include <sys/ioctl.h>
535             #include <net/if.h>
536             #include <net/bpf.h>],
537             [return (BIOCROTZBUF + BPF_BUFMODE_ZBUF);],
538             [
539                 AC_MSG_RESULT(yes)
540                 AC_DEFINE(HAVE_ZEROCOPY_BPF, 1,
541                 [define if the system supports zerocopy BPF])
542             ],
543             AC_MSG_RESULT(no))
545             #
546             # Check whether we have struct BPF_TIMEVAL.
547             #
548             AC_CHECK_TYPES(struct BPF_TIMEVAL,,,
549                 [
550 #include <sys/types.h>
551 #include <sys/ioctl.h>
552 #ifdef HAVE_SYS_IOCCOM_H
553 #include <sys/ioccom.h>
554 #endif
555 #include <net/bpf.h>
556                     ])
557         ;;
559 dag)
560         V_DEFS="$V_DEFS -DDAG_ONLY"
561         ;;
563 septel)
564         V_DEFS="$V_DEFS -DSEPTEL_ONLY"
565         ;;
567 snf)
568         V_DEFS="$V_DEFS -DSNF_ONLY"
569         ;;
571 null)
572         AC_MSG_WARN(cannot determine packet capture interface)
573         AC_MSG_WARN((see the INSTALL doc for more info))
574         ;;
575 esac
578 dnl Now figure out how we get a list of interfaces and addresses,
579 dnl if we support capturing.  Don't bother if we don't support
580 dnl capturing.
582 if test "$V_PCAP" = null
583 then
584         #
585         # We can't capture, so we can't open any capture
586         # devices, so we won't return any interfaces.
587         #
588         V_FINDALLDEVS=null
589 else
590         AC_CHECK_FUNC(getifaddrs,[
591                 #
592                 # We have "getifaddrs()"; make sure we have <ifaddrs.h>
593                 # as well, just in case some platform is really weird.
594                 #
595                 AC_CHECK_HEADER(ifaddrs.h,[
596                     #
597                     # We have the header, so we use "getifaddrs()" to
598                     # get the list of interfaces.
599                     #
600                     V_FINDALLDEVS=getad
601                 ],[
602                     #
603                     # We don't have the header - give up.
604                     # XXX - we could also fall back on some other
605                     # mechanism, but, for now, this'll catch this
606                     # problem so that we can at least try to figure
607                     # out something to do on systems with "getifaddrs()"
608                     # but without "ifaddrs.h", if there is something
609                     # we can do on those systems.
610                     #
611                     AC_MSG_ERROR([Your system has getifaddrs() but doesn't have a usable <ifaddrs.h>.])
612                 ])
613         ],[
614                 #
615                 # Well, we don't have "getifaddrs()", so we have to use
616                 # some other mechanism; determine what that mechanism is.
617                 #
618                 # The first thing we use is the type of capture mechanism,
619                 # which is somewhat of a proxy for the OS we're using.
620                 #
621                 case "$V_PCAP" in
623                 dlpi|libdlpi)
624                         #
625                         # This might be Solaris 8 or later, with
626                         # SIOCGLIFCONF, or it might be some other OS
627                         # or some older version of Solaris, with
628                         # just SIOCGIFCONF.
629                         #
630                         AC_MSG_CHECKING(whether we have SIOCGLIFCONF)
631                         AC_CACHE_VAL(ac_cv_lbl_have_siocglifconf,
632                             AC_TRY_COMPILE(
633                                 [#include <sys/param.h>
634                                 #include <sys/file.h>
635                                 #include <sys/ioctl.h>
636                                 #include <sys/socket.h>
637                                 #include <sys/sockio.h>],
638                                 [ioctl(0, SIOCGLIFCONF, (char *)0);],
639                                 ac_cv_lbl_have_siocglifconf=yes,
640                                 ac_cv_lbl_have_siocglifconf=no))
641                         AC_MSG_RESULT($ac_cv_lbl_have_siocglifconf)
642                         if test $ac_cv_lbl_have_siocglifconf = yes ; then
643                                 V_FINDALLDEVS=glifc
644                         else
645                                 V_FINDALLDEVS=gifc
646                         fi
647                         ;;
649                 *)
650                         #
651                         # Assume we just have SIOCGIFCONF.
652                         # (XXX - on at least later Linux kernels, there's
653                         # another mechanism, and we should be using that
654                         # instead.)
655                         #
656                         V_FINDALLDEVS=gifc
657                         ;;
658                 esac])
662 AC_MSG_CHECKING(for socklen_t)
663 AC_TRY_COMPILE([
664         #include <sys/types.h>
665         #include <sys/socket.h>
666         ],
667         [ socklen_t x; ],
668         have_socklen_t=yes,
669         have_socklen_t=no)
670 if test "x$have_socklen_t" = "xyes"; then
671         AC_DEFINE(HAVE_SOCKLEN_T, 1, [define if socklen_t is defined])
673 AC_MSG_RESULT($have_socklen_t)
675 AC_ARG_ENABLE(ipv6,
676 AC_HELP_STRING([--enable-ipv6],[build IPv6-capable version @<:@default=yes, if getaddrinfo available@:>@]),
677     [],
678     [enable_ipv6=ifavailable])
679 if test "$enable_ipv6" != "no"; then
680         AC_CHECK_FUNC(getaddrinfo,
681             [
682                 AC_DEFINE(INET6,1,[IPv6])
683             ],
684             [
685                 if test "$enable_ipv6" != "ifavailable"; then
686                         AC_MSG_FAILURE([--enable-ipv6 was given, but getaddrinfo isn't available])
687                 fi
688             ])
691 AC_MSG_CHECKING(whether to build optimizer debugging code)
692 AC_ARG_ENABLE(optimizer-dbg,
693 AC_HELP_STRING([--enable-optimizer-dbg],[build optimizer debugging code]))
694 if test "$enable_optimizer_dbg" = "yes"; then
695         AC_DEFINE(BDEBUG,1,[Enable optimizer debugging])
697 AC_MSG_RESULT(${enable_optimizer_dbg-no})
699 AC_MSG_CHECKING(whether to build parser debugging code)
700 AC_ARG_ENABLE(yydebug,
701 AC_HELP_STRING([--enable-yydebug],[build parser debugging code]))
702 if test "$enable_yydebug" = "yes"; then
703         AC_DEFINE(YYDEBUG,1,[Enable parser debugging])
705 AC_MSG_RESULT(${enable_yydebug-no})
707 # Check for Endace DAG card support.
708 AC_ARG_WITH([dag],
709 AC_HELP_STRING([--with-dag@<:@=DIR@:>@],[include Endace DAG support @<:@"yes", "no" or DIR; default="yes" on BSD and Linux if present@:>@]),
711         if test "$withval" = no
712         then
713                 # User doesn't want DAG support.
714                 want_dag=no
715         elif test "$withval" = yes
716         then
717                 # User wants DAG support but hasn't specified a directory.
718                 want_dag=yes
719         else
720                 # User wants DAG support and has specified a directory, so use the provided value.
721                 want_dag=yes
722                 dag_root=$withval
723         fi
725         #
726         # Use DAG API if present, otherwise don't
727         #
728         want_dag=ifpresent
731 AC_ARG_WITH([dag-includes],
732 AC_HELP_STRING([--with-dag-includes=DIR],[Endace DAG include directory]),
734         # User wants DAG support and has specified a header directory, so use the provided value.
735         want_dag=yes
736         dag_include_dir=$withval
737 ],[])
739 AC_ARG_WITH([dag-libraries],
740 AC_HELP_STRING([--with-dag-libraries=DIR],[Endace DAG library directory]),
742         # User wants DAG support and has specified a library directory, so use the provided value.
743         want_dag=yes
744         dag_lib_dir=$withval
745 ],[])
747 case "$V_PCAP" in
748 linux|bpf|dag)
749         #
750         # We support the DAG API if we're on Linux or BSD, or if we're
751         # building a DAG-only libpcap.
752         #
753         ;;
755         #
756         # If the user explicitly requested DAG, tell them it's not
757         # supported.
758         #
759         # If they expressed no preference, don't include it.
760         #
761         if test $want_dag = yes; then
762                 AC_MSG_ERROR([DAG support is only available with 'linux' 'bpf' and 'dag' packet capture types])
763         elif test $want_dag = yes; then
764                 want_dag=no
765         fi
766         ;;
767 esac
769 ac_cv_lbl_dag_api=no
770 if test "$want_dag" != no; then
772         AC_MSG_CHECKING([whether we have DAG API headers])
774         # If necessary, set default paths for DAG API headers and libraries.
775         if test -z "$dag_root"; then
776             dag_root=/usr/local
777         fi
779         if test -z "$dag_include_dir"; then
780                 dag_include_dir="$dag_root/include"
781         fi
783         if test -z "$dag_lib_dir"; then
784             dag_lib_dir="$dag_root/lib"
785         fi
787         if test -z "$dag_tools_dir"; then
788             dag_tools_dir="$dag_root/tools"
789         fi
791         if test -r $dag_include_dir/dagapi.h; then
792                 ac_cv_lbl_dag_api=yes
793         fi
794         AC_MSG_RESULT([$ac_cv_lbl_dag_api ($dag_include_dir)])
797 if test $ac_cv_lbl_dag_api = yes; then
798         V_INCLS="$V_INCLS -I$dag_include_dir"
800         if test $V_PCAP != dag ; then
801                  SSRC="pcap-dag.c"
802         fi
804         # See if we can find a general version string.
805         # Don't need to save and restore LIBS to prevent -ldag being
806         # included if there's a found-action (arg 3).
807         saved_ldflags=$LDFLAGS
808         LDFLAGS="-L$dag_lib_dir"
809         AC_CHECK_LIB([dag], [dag_attach_stream], [dag_streams="1"], [dag_streams="0"])
810         AC_CHECK_LIB([dag],[dag_get_erf_types], [
811                 AC_DEFINE(HAVE_DAG_GET_ERF_TYPES, 1, [define if you have dag_get_erf_types()])])
812         AC_CHECK_LIB([dag],[dag_get_stream_erf_types], [
813                 AC_DEFINE(HAVE_DAG_GET_STREAM_ERF_TYPES, 1, [define if you have dag_get_stream_erf_types()])])
815         LDFLAGS=$saved_ldflags
817         if test "$dag_streams" = 1; then
818                 AC_DEFINE(HAVE_DAG_STREAMS_API, 1, [define if you have streams capable DAG API])
819                 LIBS="$LIBS -ldag"
820                 LDFLAGS="$LDFLAGS -L$dag_lib_dir"
822                 AC_CHECK_LIB([vdag],[vdag_set_device_info], [ac_dag_have_vdag="1"], [ac_dag_have_vdag="0"])
823                 if test "$ac_dag_have_vdag" = 1; then
824                         AC_DEFINE(HAVE_DAG_VDAG, 1, [define if you have vdag_set_device_info()])
825                         LIBS="$LIBS -lpthread"
826                 fi
827         fi
829         AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
832 AC_MSG_CHECKING(whether we have the DAG API)
834 if test $ac_cv_lbl_dag_api = no; then
835         AC_MSG_RESULT(no)
836         if test "$want_dag" = yes; then
837                 # User wanted DAG support but we couldn't find it.
838                 AC_MSG_ERROR([DAG API requested, but not found at $dag_root: use --without-dag])
839         fi
841         if test "$V_PCAP" = dag; then
842                 # User requested "dag" capture type but the DAG API wasn't
843                 # found.
844                 AC_MSG_ERROR([Specifying the capture type as "dag" requires the DAG API to be present; use the --with-dag options to specify the location. (Try "./configure --help" for more information.)])
845         fi
846 else
847         AC_MSG_RESULT(yes)
850 AC_ARG_WITH(septel,
851 AC_HELP_STRING([--with-septel@<:@=DIR@:>@],[include Septel support (located in directory DIR, if supplied).  @<:@default=yes, on Linux, if present@:>@]),
853         if test "$withval" = no
854         then
855                 want_septel=no
856         elif test "$withval" = yes
857         then
858                 want_septel=yes
859                 septel_root=
860         else
861                 want_septel=yes
862                 septel_root=$withval
863         fi
865         #
866         # Use Septel API if present, otherwise don't
867         #
868         want_septel=ifpresent
869         septel_root=./../septel
871 ac_cv_lbl_septel_api=no
872 case "$V_PCAP" in
873 linux|septel)
874         #
875         # We support the Septel API if we're on Linux, or if we're building
876         # a Septel-only libpcap.
877         #
878         ;;
880         #
881         # If the user explicitly requested Septel, tell them it's not
882         # supported.
883         #
884         # If they expressed no preference, don't include it.
885         #
886         if test $want_septel = yes; then
887                 AC_MSG_ERROR(Septel support only available with 'linux' and 'septel' packet capture types)
888         elif test $want_septel = yes; then
889                 want_septel=no
890         fi
891         ;;
892 esac
894 if test "$with_septel" != no; then
895         AC_MSG_CHECKING(whether we have Septel API)
897         if test -z "$septel_root"; then
898                 septel_root=$srcdir/../septel
899         fi
901         septel_tools_dir="$septel_root"
902         septel_include_dir="$septel_root/INC"
904         ac_cv_lbl_septel_api=no
905         if test -r "$septel_include_dir/msg.h"; then
906                 V_INCLS="$V_INCLS -I$septel_include_dir"
907                 ADDLOBJS="$ADDLOBJS $septel_tools_dir/asciibin.o $septel_tools_dir/bit2byte.o $septel_tools_dir/confirm.o $septel_tools_dir/fmtmsg.o $septel_tools_dir/gct_unix.o $septel_tools_dir/hqueue.o $septel_tools_dir/ident.o $septel_tools_dir/mem.o $septel_tools_dir/pack.o $septel_tools_dir/parse.o $septel_tools_dir/pool.o $septel_tools_dir/sdlsig.o $septel_tools_dir/strtonum.o $septel_tools_dir/timer.o $septel_tools_dir/trace.o"
908                 ADDLARCHIVEOBJS="$ADDLARCHIVEOBJS $septel_tools_dir/asciibin.o $septel_tools_dir/bit2byte.o $septel_tools_dir/confirm.o $septel_tools_dir/fmtmsg.o $septel_tools_dir/gct_unix.o $septel_tools_dir/hqueue.o $septel_tools_dir/ident.o $septel_tools_dir/mem.o $septel_tools_dir/pack.o $septel_tools_dir/parse.o $septel_tools_dir/pool.o $septel_tools_dir/sdlsig.o $septel_tools_dir/strtonum.o $septel_tools_dir/timer.o $septel_tools_dir/trace.o"
910                 if test "$V_PCAP" != septel ; then
911                          SSRC="pcap-septel.c"
912                 fi
913                 ac_cv_lbl_septel_api=yes
914         fi
916         AC_MSG_RESULT($ac_cv_lbl_septel_api)
917         if test $ac_cv_lbl_septel_api = no; then
918                 if test "$want_septel" = yes; then
919                         AC_MSG_ERROR(Septel API not found under directory $septel_root; use --without-septel)
920                 fi
921         else
922                 AC_DEFINE(HAVE_SEPTEL_API, 1, [define if you have a Septel API])
923         fi
926 if test "$V_PCAP" = septel -a "$ac_cv_lbl_septel_api" = no; then
927         AC_MSG_ERROR(Specifying the capture type as 'septel' requires the Septel API to be present; use --with-septel=DIR)
930 # Check for Myricom SNF support.
931 AC_ARG_WITH([snf],
932 AC_HELP_STRING([--with-snf@<:@=DIR@:>@],[include Myricom SNF support @<:@"yes", "no" or DIR; default="yes" on BSD and Linux if present@:>@]),
934         if test "$withval" = no
935         then
936                 # User explicitly doesn't want SNF
937                 want_snf=no
938         elif test "$withval" = yes
939         then
940                 # User wants SNF support but hasn't specific a directory.
941                 want_snf=yes
942         else
943                 # User wants SNF support with a specified directory.
944                 want_snf=yes
945                 snf_root=$withval
946         fi
948         #
949         # Use Sniffer API if present, otherwise don't
950         #
951         want_snf=ifpresent
954 AC_ARG_WITH([snf-includes],
955 AC_HELP_STRING([--with-snf-includes=DIR],[Myricom SNF include directory]),
957         # User wants SNF with specific header directory
958         want_snf=yes
959         snf_include_dir=$withval
960 ],[])
962 AC_ARG_WITH([snf-libraries],
963 AC_HELP_STRING([--with-snf-libraries=DIR],[Myricom SNF library directory]),
965         # User wants SNF with specific lib directory
966         want_snf=yes
967         snf_lib_dir=$withval
968 ],[])
970 case "$V_PCAP" in
971 bpf|linux|snf)
972         #
973         # We support the Sniffer API if we're on BSD, Linux, or if we're
974         # building a Sniffer-only libpcap.
975         #
976         ;;
978         #
979         # If the user explicitly requested Sniffer, tell them it's not
980         # supported.
981         #
982         # If they expressed no preference, don't include it.
983         #
984         if test $want_snf = yes; then
985                 AC_MSG_ERROR(Myricom SNF support only available with 'bpf' 'linux' and 'snf' packet capture types)
986         elif test $want_snf = yes; then
987                 want_snf=no
988         fi
989         ;;
990 esac
992 ac_cv_lbl_snf_api=no
993 if test "$with_snf" != no; then
995         AC_MSG_CHECKING(whether we have Myricom Sniffer API)
997         if test -z "$snf_root"; then
998                 snf_root=/opt/snf
999         fi
1001         if test -z "$snf_include_dir"; then
1002                 snf_include_dir="$snf_root/include"
1003         fi
1005         if test -z "$snf_lib_dir"; then
1006                 snf_lib_dir="$snf_root/lib"
1007         fi
1009         if test -f "$snf_include_dir/snf.h"; then
1010                 ac_cv_lbl_snf_api=yes
1011         fi
1012         AC_MSG_RESULT([$ac_cv_lbl_snf_api ($snf_root)])
1014         if test $ac_cv_lbl_snf_api = no; then
1015                 if test "$want_snf" = yes; then
1016                         AC_MSG_ERROR(SNF API headers not found under $snf_include_dir; use --without-snf)
1017                 fi
1018         else
1019                 saved_ldflags=$LDFLAGS
1020                 LDFLAGS="$LDFLAGS -L$snf_lib_dir"
1021                 AC_CHECK_LIB([snf], [snf_init], [ac_cv_lbl_snf_api="yes"], [ac_cv_lbl_snf_api="no"])
1022                 LDFLAGS="$saved_ldflags"
1024                 if test $ac_cv_lbl_snf_api = no; then
1025                         if test "$want_snf" = yes; then
1026                                 AC_MSG_ERROR(SNF API cannot correctly be linked check config.log; use --without-snf)
1027                         fi
1028                 else
1029                         V_INCLS="$V_INCLS -I$snf_include_dir"
1030                         LIBS="$LIBS -lsnf"
1031                         LDFLAGS="$LDFLAGS -L$snf_lib_dir"
1032                         if test "$V_PCAP" != snf ; then
1033                                 SSRC="pcap-snf.c"
1034                         fi
1035                         AC_DEFINE(HAVE_SNF_API, 1, [define if you have Myricom SNF API])
1036                 fi
1037         fi
1040 if test "$V_PCAP" = snf -a "$ac_cv_lbl_snf_api" = no; then
1041         AC_MSG_ERROR(Specifying the capture type as 'snf' requires the Myricom Sniffer API to be present; use --with-snf=DIR)
1044 AC_LBL_LEX_AND_YACC(V_LEX, V_YACC, pcap_)
1045 if test "$V_LEX" = lex ; then
1046 # Some versions of lex can't handle the definitions section of scanner.l .
1047 # Try lexing it and complain if it can't deal.
1048         AC_CACHE_CHECK([for capable lex], tcpdump_cv_capable_lex,
1049                 if lex -t scanner.l > /dev/null 2>&1; then
1050                         tcpdump_cv_capable_lex=yes
1051                 else
1052                         tcpdump_cv_capable_lex=insufficient
1053                 fi)
1054         if test $tcpdump_cv_capable_lex = insufficient ; then
1055                 AC_MSG_ERROR([Your operating system's lex is insufficient to compile
1056  libpcap.  flex is a lex replacement that has many advantages, including
1057  being able to compile libpcap.  For more information, see
1058  http://www.gnu.org/software/flex/flex.html .])
1059         fi
1063 # Assume, by default, no support for shared libraries and V7/BSD convention
1064 # for man pages (file formats in section 5, miscellaneous info in section 7).
1065 # Individual cases can override this.
1067 DYEXT="none"
1068 MAN_FILE_FORMATS=5
1069 MAN_MISC_INFO=7
1070 case "$host_os" in
1072 aix*)
1073         dnl Workaround to enable certain features
1074         AC_DEFINE(_SUN,1,[define on AIX to get certain functions])
1076         #
1077         # AIX makes it fun to build shared and static libraries,
1078         # because they're *both* ".a" archive libraries.  We
1079         # build the static library for the benefit of the traditional
1080         # scheme of building libpcap and tcpdump in subdirectories of
1081         # the same directory, with tcpdump statically linked with the
1082         # libpcap in question, but we also build a shared library as
1083         # "libpcap.shareda" and install *it*, rather than the static
1084         # library, as "libpcap.a".
1085         #
1086         DYEXT="shareda"
1088         case "$V_PCAP" in
1090         dlpi)
1091                 #
1092                 # If we're using DLPI, applications will need to
1093                 # use /lib/pse.exp if present, as we use the
1094                 # STREAMS routines.
1095                 #
1096                 pseexe="/lib/pse.exp"
1097                 AC_MSG_CHECKING(for $pseexe)
1098                 if test -f $pseexe ; then
1099                         AC_MSG_RESULT(yes)
1100                         LIBS="-I:$pseexe"
1101                 fi
1102                 ;;
1104         bpf)
1105                 #
1106                 # If we're using BPF, we need "-lodm" and "-lcfg", as
1107                 # we use them to load the BPF module.
1108                 #
1109                 LIBS="-lodm -lcfg"
1110                 ;;
1111         esac
1112         ;;
1114 darwin*)
1115         DYEXT="dylib"
1116         V_CCOPT="$V_CCOPT -fno-common"
1117         AC_ARG_ENABLE(universal,
1118         AC_HELP_STRING([--disable-universal],[don't build universal on OS X]))
1119         if test "$enable_universal" != "no"; then
1120                 case "$host_os" in
1122                 darwin[0-7].*)
1123                         #
1124                         # Pre-Tiger.  Build only for 32-bit PowerPC; no
1125                         # need for any special compiler or linker flags.
1126                         #
1127                         ;;
1129                 darwin8.[0123]*)
1130                         #
1131                         # Tiger, prior to Intel support.  Build for 32-bit
1132                         # PowerPC and 64-bit PowerPC, with 32-bit PowerPC
1133                         # first.  (I'm guessing that's what Apple does.)
1134                         #
1135                         V_CCOPT="$V_CCOPT -arch ppc -arch ppc64"
1136                         LDFLAGS="$LDFLAGS -arch ppc -arch ppc64"
1137                         ;;
1139                 darwin8.[456]*)
1140                         #
1141                         # Tiger, subsequent to Intel support but prior to
1142                         # x86-64 support.  Build for 32-bit PowerPC, 64-bit
1143                         # PowerPC, and x86, with 32-bit PowerPC first.
1144                         # (I'm guessing that's what Apple does.)
1145                         #
1146                         V_CCOPT="$V_CCOPT -arch ppc -arch ppc64 -arch i386"
1147                         LDFLAGS="$LDFLAGS -arch ppc -arch ppc64 -arch i386"
1148                         ;;
1150                 darwin8.*)
1151                         #
1152                         # All other Tiger, so subsequent to x86-64
1153                         # support. Build for 32-bit PowerPC, 64-bit
1154                         # PowerPC, x86, and x86-64, and with 32-bit PowerPC
1155                         # first.  (I'm guessing that's what Apple does.)
1156                         #
1157                         V_CCOPT="$V_CCOPT -arch ppc -arch ppc64 -arch i386 -arch x86_64"
1158                         LDFLAGS="$LDFLAGS -arch ppc -arch ppc64 -arch i386 -arch x86_64"
1159                         ;;
1161                 darwin9.*)
1162                         #
1163                         # Leopard.  Build for 32-bit PowerPC, 64-bit
1164                         # PowerPC, x86, and x86-64, with 32-bit PowerPC
1165                         # first.  (That's what Apple does.)
1166                         #
1167                         V_CCOPT="$V_CCOPT -arch ppc -arch ppc64 -arch i386 -arch x86_64"
1168                         LDFLAGS="$LDFLAGS -arch ppc -arch ppc64 -arch i386 -arch x86_64"
1169                         ;;
1171                 darwin10.*)
1172                         #
1173                         # Snow Leopard.  Build for x86-64, x86, and
1174                         # 32-bit PowerPC, with x86-64 first.  (That's
1175                         # what Apple does, even though Snow Leopard
1176                         # doesn't run on PPC, so PPC libpcap runs under
1177                         # Rosetta, and Rosetta doesn't support BPF
1178                         # ioctls, so PPC programs can't do live
1179                         # captures.)
1180                         #
1181                         V_CCOPT="$V_CCOPT -arch x86_64 -arch i386 -arch ppc"
1182                         LDFLAGS="$LDFLAGS -arch x86_64 -arch i386 -arch ppc"
1183                         ;;
1185                 darwin*)
1186                         #
1187                         # Post-Snow Leopard.  Build for x86-64 and
1188                         # x86, with x86-64 first.  (That's probably what
1189                         # Apple does, given that Rosetta is gone.)
1190                         # XXX - update if and when Apple drops support
1191                         # for 32-bit x86 code.
1192                         #
1193                         V_CCOPT="$V_CCOPT -arch x86_64 -arch i386"
1194                         LDFLAGS="$LDFLAGS -arch x86_64 -arch i386"
1195                         ;;
1196                 esac
1197         fi
1198         ;;
1200 hpux9*)
1201         AC_DEFINE(HAVE_HPUX9,1,[on HP-UX 9.x])
1203         #
1204         # Use System V conventions for man pages.
1205         #
1206         MAN_FILE_FORMATS=4
1207         MAN_MISC_INFO=5
1208         ;;
1210 hpux10.0*)
1212         #
1213         # Use System V conventions for man pages.
1214         #
1215         MAN_FILE_FORMATS=4
1216         MAN_MISC_INFO=5
1217         ;;
1219 hpux10.1*)
1221         #
1222         # Use System V conventions for man pages.
1223         #
1224         MAN_FILE_FORMATS=4
1225         MAN_MISC_INFO=5
1226         ;;
1228 hpux*)
1229         dnl HPUX 10.20 and above is similar to HPUX 9, but
1230         dnl not the same....
1231         dnl
1232         dnl XXX - DYEXT should be set to "sl" if this is building
1233         dnl for 32-bit PA-RISC, but should be left as "so" for
1234         dnl 64-bit PA-RISC or, I suspect, IA-64.
1235         AC_DEFINE(HAVE_HPUX10_20_OR_LATER,1,[on HP-UX 10.20 or later])
1236         if test "`uname -m`" = "ia64"; then
1237                 DYEXT="so"
1238         else
1239                 DYEXT="sl"
1240         fi
1242         #
1243         # "-b" builds a shared library; "+h" sets the soname.
1244         #
1245         SHLIB_OPT="-b"
1246         SONAME_OPT="+h"
1248         #
1249         # Use System V conventions for man pages.
1250         #
1251         MAN_FILE_FORMATS=4
1252         MAN_MISC_INFO=5
1253         ;;
1255 irix*)
1256         #
1257         # Use System V conventions for man pages.
1258         #
1259         MAN_FILE_FORMATS=4
1260         MAN_MISC_INFO=5
1261         ;;
1263 linux*|freebsd*|netbsd*|openbsd*|dragonfly*|kfreebsd*|gnu*)
1264         DYEXT="so"
1266         #
1267         # Compiler assumed to be GCC; run-time linker may require a -R
1268         # flag.
1269         #
1270         if test "$libdir" != "/usr/lib"; then
1271                 V_RFLAGS=-Wl,-R$libdir
1272         fi
1273         ;;
1275 osf*)
1276         DYEXT="so"
1278         #
1279         # Use System V conventions for man pages.
1280         #
1281         MAN_FILE_FORMATS=4
1282         MAN_MISC_INFO=5
1283         ;;
1285 sinix*)
1286         AC_MSG_CHECKING(if SINIX compiler defines sinix)
1287         AC_CACHE_VAL(ac_cv_cc_sinix_defined,
1288                 AC_TRY_COMPILE(
1289                     [],
1290                     [int i = sinix;],
1291                     ac_cv_cc_sinix_defined=yes,
1292                     ac_cv_cc_sinix_defined=no))
1293             AC_MSG_RESULT($ac_cv_cc_sinix_defined)
1294             if test $ac_cv_cc_sinix_defined = no ; then
1295                     AC_DEFINE(sinix,1,[on sinix])
1296             fi
1297         ;;
1299 solaris*)
1300         AC_DEFINE(HAVE_SOLARIS,1,[On solaris])
1302         DYEXT="so"
1303         #
1304         # Use System V conventions for man pages.
1305         #
1306         MAN_FILE_FORMATS=4
1307         MAN_MISC_INFO=5
1308         ;;
1309 esac
1311 AC_ARG_ENABLE(shared,
1312 AC_HELP_STRING([--enable-shared],[build shared libraries @<:@default=yes, if support available@:>@]))
1313 test "x$enable_shared" = "xno" && DYEXT="none"
1315 AC_PROG_RANLIB
1316 AC_CHECK_TOOL([AR], [ar])
1318 AC_PROG_LN_S
1319 AC_SUBST(LN_S)
1321 AC_LBL_DEVEL(V_CCOPT)
1323 AC_LBL_SOCKADDR_SA_LEN
1325 AC_LBL_SOCKADDR_STORAGE
1327 AC_LBL_HP_PPA_INFO_T_DL_MODULE_ID_1
1329 AC_LBL_UNALIGNED_ACCESS
1332 # Makefile.in includes rules to generate version.h, so we assume
1333 # that it will be generated if autoconf is used.
1335 AC_DEFINE(HAVE_VERSION_H, 1, [define if version.h is generated in the build procedure])
1337 rm -f net
1338 ln -s ${srcdir}/bpf/net net
1340 AC_SUBST(V_CCOPT)
1341 AC_SUBST(V_DEFS)
1342 AC_SUBST(V_FINDALLDEVS)
1343 AC_SUBST(V_INCLS)
1344 AC_SUBST(V_LEX)
1345 AC_SUBST(V_PCAP)
1346 AC_SUBST(V_SHLIB_CMD)
1347 AC_SUBST(V_SHLIB_OPT)
1348 AC_SUBST(V_SONAME_OPT)
1349 AC_SUBST(V_RPATH_OPT)
1350 AC_SUBST(V_YACC)
1351 AC_SUBST(ADDLOBJS)
1352 AC_SUBST(ADDLARCHIVEOBJS)
1353 AC_SUBST(SSRC)
1354 AC_SUBST(DYEXT)
1355 AC_SUBST(MAN_FILE_FORMATS)
1356 AC_SUBST(MAN_MISC_INFO)
1358 AC_ARG_ENABLE([usb],
1359 [AC_HELP_STRING([--enable-usb],[enable nusb support @<:@default=yes, if support available@:>@])],
1360     [],
1361     [enable_usb=yes])
1363 if test "x$enable_usb" != "xno" ; then
1364    dnl check for USB sniffing support
1365    AC_MSG_CHECKING(for USB sniffing support)
1366    case "$host_os" in
1367    linux*)
1368         AC_DEFINE(PCAP_SUPPORT_USB, 1, [target host supports USB sniffing])
1369         USB_SRC=pcap-usb-linux.c
1370         AC_MSG_RESULT(yes)
1371         ac_usb_dev_name=`udevinfo -q name -p /sys/class/usb_device/usbmon 2>/dev/null`
1372         if test $? -ne 0 ; then
1373           ac_usb_dev_name="usbmon"
1374         fi
1375         AC_DEFINE_UNQUOTED(LINUX_USB_MON_DEV, "/dev/$ac_usb_dev_name", [path for device for USB sniffing])
1376         AC_MSG_NOTICE(Device for USB sniffing is /dev/$ac_usb_dev_name)
1377         #
1378         # Do we have a version of <linux/compiler.h> available?
1379         # If so, we might need it for <linux/usbdevice_fs.h>.
1380         #
1381         AC_CHECK_HEADERS(linux/compiler.h)
1382         if test "$ac_cv_header_linux_compiler_h" = yes; then
1383           #
1384           # Yes - include it when testing for <linux/usbdevice_fs.h>.
1385           #
1386           AC_CHECK_HEADERS(linux/usbdevice_fs.h,,,[#include <linux/compiler.h>])
1387         else
1388           AC_CHECK_HEADERS(linux/usbdevice_fs.h)
1389         fi
1390         if test "$ac_cv_header_linux_usbdevice_fs_h" = yes; then
1391           #
1392           # OK, does it define bRequestType?  Older versions of the kernel
1393           # define fields with names like "requesttype, "request", and
1394           # "value", rather than "bRequestType", "bRequest", and
1395           # "wValue".
1396           #
1397           AC_MSG_CHECKING(if usbdevfs_ctrltransfer struct has bRequestType member)
1398           AC_CACHE_VAL(ac_cv_usbdevfs_ctrltransfer_has_bRequestType,
1399             AC_TRY_COMPILE([
1400 AC_INCLUDES_DEFAULT
1401 #ifdef HAVE_SYS_BITYPES_H
1402 #include <sys/bitypes.h>
1403 #endif
1404 #ifdef HAVE_LINUX_COMPILER_H
1405 #include <linux/compiler.h>
1406 #endif
1407 #include <linux/usbdevice_fs.h>],
1408               [u_int i = sizeof(((struct usbdevfs_ctrltransfer *)0)->bRequestType)],
1409               ac_cv_usbdevfs_ctrltransfer_has_bRequestType=yes,
1410               ac_cv_usbdevfs_ctrltransfer_has_bRequestType=no))
1411             AC_MSG_RESULT($ac_cv_usbdevfs_ctrltransfer_has_bRequestType)
1412             if test $ac_cv_usbdevfs_ctrltransfer_has_bRequestType = yes ; then
1413               AC_DEFINE(HAVE_USBDEVFS_CTRLTRANSFER_BREQUESTTYPE,1,
1414                 [if struct usbdevfs_ctrltransfer has bRequestType])
1415             fi
1416         fi
1417         ;;
1418     *)
1419         AC_MSG_RESULT(no)
1420         ;;
1421 esac
1423 AC_SUBST(PCAP_SUPPORT_USB)
1424 AC_SUBST(USB_SRC)
1426 dnl check for netfilter sniffing support
1427 AC_MSG_CHECKING(whether the platform could support netfilter sniffing)
1428 case "$host_os" in
1429 linux*)
1430         AC_MSG_RESULT(yes)
1431         #
1432         # Life's too short to deal with trying to get this to compile
1433         # if you don't get the right types defined with
1434         # __KERNEL_STRICT_NAMES getting defined by some other include.
1435         #
1436         # Check whether the includes Just Work.  If not, don't turn on
1437         # netfilter support.
1438         #
1439         AC_MSG_CHECKING(whether we can compile the netfilter support)
1440         AC_CACHE_VAL(ac_cv_netfilter_can_compile,
1441           AC_TRY_COMPILE([
1442 AC_INCLUDES_DEFAULT
1443 #include <sys/socket.h>
1444 #include <netinet/in.h>
1445 #include <linux/types.h>
1447 #include <linux/netlink.h>
1448 #include <linux/netfilter.h>
1449 #include <linux/netfilter/nfnetlink.h>
1450 #include <linux/netfilter/nfnetlink_log.h>
1451 #include <linux/netfilter/nfnetlink_queue.h>],
1452             [],
1453             ac_cv_netfilter_can_compile=yes,
1454             ac_cv_netfilter_can_compile=no))
1455         AC_MSG_RESULT($ac_cv_netfilter_can_compile)
1456         if test $ac_cv_netfilter_can_compile = yes ; then
1457           AC_DEFINE(PCAP_SUPPORT_NETFILTER, 1,
1458             [target host supports netfilter sniffing])
1459           NETFILTER_SRC=pcap-netfilter-linux.c
1460         fi
1461         ;;
1463         AC_MSG_RESULT(no)
1464         ;;
1465 esac
1466 AC_SUBST(PCAP_SUPPORT_NETFILTER)
1467 AC_SUBST(NETFILTER_SRC)
1469 AC_ARG_ENABLE([bluetooth],
1470 [AC_HELP_STRING([--enable-bluetooth],[enable Bluetooth support @<:@default=yes, if support available@:>@])],
1471     [],
1472     [enable_bluetooth=ifsupportavailable])
1474 if test "x$enable_bluetooth" != "xno" ; then
1475         dnl check for Bluetooth sniffing support
1476         case "$host_os" in
1477         linux*)
1478                 AC_CHECK_HEADER(bluetooth/bluetooth.h,
1479                 [
1480                   AC_DEFINE(PCAP_SUPPORT_BT, 1, [target host supports Bluetooth sniffing])
1481                   BT_SRC=pcap-bt-linux.c
1482                   AC_MSG_NOTICE(Bluetooth sniffing is supported)
1484                   #
1485                   # OK, does struct sockaddr_hci have an hci_channel
1486                   # member?
1487                   #
1488                   AC_MSG_CHECKING(if struct sockaddr_hci has hci_channel member)
1489                   AC_CACHE_VAL(ac_cv_lbl_sockaddr_hci_has_hci_channel,
1490                     AC_TRY_COMPILE(
1492 #include <bluetooth/bluetooth.h>
1493 #include <bluetooth/hci.h>
1495                       [u_int i = sizeof(((struct sockaddr_hci *)0)->hci_channel)],
1496                       ac_cv_lbl_sockaddr_hci_has_hci_channel=yes,
1497                       ac_cv_lbl_sockaddr_hci_has_hci_channel=no))
1498                     AC_MSG_RESULT($ac_cv_lbl_sockaddr_hci_has_hci_channel)
1499                     if test $ac_cv_lbl_sockaddr_hci_has_hci_channel = yes ; then
1500                       AC_DEFINE(SOCKADDR_HCI_HAS_HCI_CHANNEL,,
1501                         [if struct sockaddr_hci has hci_channel member])
1503                       #
1504                       # OK, is HCI_CHANNEL_MONITOR defined?
1505                       #
1506                       AC_MSG_CHECKING(if HCI_CHANNEL_MONITOR is defined)
1507                       AC_CACHE_VAL(ac_cv_lbl_hci_channel_monitor_is_defined,
1508                       AC_TRY_COMPILE(
1510 #include <bluetooth/bluetooth.h>
1511 #include <bluetooth/hci.h>
1513                         [u_int i = HCI_CHANNEL_MONITOR],
1514                         ac_cv_lbl_hci_channel_monitor_is_defined=yes,
1515                         ac_cv_lbl_hci_channel_monitor_is_defined=no))
1516                       AC_MSG_RESULT($ac_cv_lbl_hci_channel_monitor_is_defined)
1517                       if test $ac_cv_lbl_hci_channel_monitor_is_defined = yes ; then
1518                         AC_DEFINE(PCAP_SUPPORT_BT_MONITOR,,
1519                           [target host supports Bluetooth Monitor])
1520                         BT_MONITOR_SRC=pcap-bt-monitor-linux.c
1521                       fi
1522                     fi
1523                     ac_lbl_bluetooth_available=yes
1524                 ],
1525                 ac_lbl_bluetooth_available=no
1526                 )
1527                 if test "x$ac_lbl_bluetooth_available" == "xno" ; then
1528                     if test "x$enable_bluetooth" = "xyes" ; then
1529                         AC_MSG_ERROR(Bluetooth sniffing is not supported; install bluez-lib devel to enable it)
1530                     else
1531                         AC_MSG_NOTICE(Bluetooth sniffing is not supported; install bluez-lib devel to enable it)
1532                     fi
1533                 fi
1534                 ;;
1535         *)
1536                 if test "x$enable_bluetooth" = "xyes" ; then
1537                     AC_MSG_ERROR(no Bluetooth sniffing support implemented for $host_os)
1538                 else
1539                     AC_MSG_NOTICE(no Bluetooth sniffing support implemented for $host_os)
1540                 fi
1541                 ;;
1542         esac
1543         AC_SUBST(PCAP_SUPPORT_BT)
1544         AC_SUBST(BT_SRC)
1545         AC_SUBST(BT_MONITOR_SRC)
1548 AC_ARG_ENABLE([canusb],
1549 [AC_HELP_STRING([--enable-canusb],[enable canusb support @<:@default=yes, if support available@:>@])],
1550     [],
1551     [enable_canusb=ifsupportavailable])
1553 if test "x$enable_canusb" != "xno" ; then
1554         dnl check for canusb support
1555         case "$host_os" in
1556         linux*|uclinux*)
1557                 AC_CHECK_HEADER(libusb-1.0/libusb.h,
1558                 [
1559                     AC_CHECK_LIB(usb-1.0, libusb_init,
1560                     [
1561                         AC_DEFINE(PCAP_SUPPORT_CANUSB, 1, [target host supports canusb])
1562                         CANUSB_SRC=pcap-canusb-linux.c
1563                         LIBS="-lusb-1.0 -lpthread $LIBS"
1564                         ac_lbl_has_libusb=yes
1565                     ],
1566                     ac_lbl_has_libusb=no,
1567                     -lpthread
1568                     )
1569                 ],
1570                 ac_lbl_has_libusb=no
1571                 )
1572                 if test "x$ac_lbl_has_libusb" = "xyes" ; then
1573                     AC_MSG_NOTICE(canusb sniffing is supported)
1574                 else
1575                     if test "x$enable_canusb" = "xyes" ; then
1576                         AC_MSG_ERROR(canusb sniffing is not supported; install libusb1.0 lib devel to enable it)
1577                     else
1578                         AC_MSG_NOTICE(canusb sniffing is not supported; install libusb1.0 lib devel to enable it)
1579                     fi
1580                 fi
1581                 ;;
1582         *)
1583                 if test "x$enable_canusb" = "xyes" ; then
1584                     AC_MSG_ERROR(no canusb support implemented for $host_os)
1585                 else
1586                     AC_MSG_NOTICE(no canusb support implemented for $host_os)
1587                 fi
1588                 ;;
1589         esac
1590         AC_SUBST(PCAP_SUPPORT_CANUSB)
1591         AC_SUBST(CANUSB_SRC)
1594 AC_ARG_ENABLE([can],
1595 [AC_HELP_STRING([--enable-can],[enable CAN support @<:@default=yes, if support available@:>@])],
1596     [],
1597     [enable_can=ifsupportavailable])
1599 if test "x$enable_can" != "xno" ; then
1600         dnl check for CAN sniffing support
1601         case "$host_os" in
1602         linux*)
1603                 AC_CHECK_HEADER(linux/can.h,
1604                         [
1605                             AC_DEFINE(PCAP_SUPPORT_CAN, 1, [target host supports CAN sniffing])
1606                             CAN_SRC=pcap-can-linux.c
1607                             AC_MSG_NOTICE(CAN sniffing is supported)
1608                         ],
1609                         [
1610                             if test "x$enable_can" = "xyes" ; then
1611                                 AC_MSG_ERROR(CAN sniffing is not supported)
1612                             else
1613                                 AC_MSG_NOTICE(CAN sniffing is not supported)
1614                             fi
1615                         ],
1616                         [#include <sys/socket.h>]
1617                    )
1618                 ;;
1619         *)
1620                 if test "x$enable_can" = "xyes" ; then
1621                     AC_MSG_ERROR(no CAN sniffing support implemented for $host_os)
1622                 else
1623                     AC_MSG_NOTICE(no CAN sniffing support implemented for $host_os)
1624                 fi
1625                 ;;
1626         esac
1627         AC_SUBST(PCAP_SUPPORT_CAN)
1628         AC_SUBST(CAN_SRC)
1631 AC_ARG_ENABLE([dbus],
1632 [AC_HELP_STRING([--enable-dbus],[enable D-Bus capture support @<:@default=yes, if support available@:>@])],
1633     [],
1634     [enable_dbus=ifavailable])
1636 if test "x$enable_dbus" != "xno"; then
1637         if test "x$enable_dbus" = "xyes"; then
1638                 case "$host_os" in
1640                 darwin*)
1641                         #
1642                         # We don't support D-Bus sniffing on OS X; see
1643                         #
1644                         # https://bugs.freedesktop.org/show_bug.cgi?id=74029
1645                         #
1646                         # The user requested it, so fail.
1647                         #
1648                         AC_MSG_ERROR([Due to freedesktop.org bug 74029, D-Bus capture support is not available on OS X])
1649                 esac
1650         else
1651                 case "$host_os" in
1653                 darwin*)
1654                         #
1655                         # We don't support D-Bus sniffing on OS X; see
1656                         #
1657                         # https://bugs.freedesktop.org/show_bug.cgi?id=74029
1658                         #
1659                         # The user dind't explicitly request it, so just
1660                         # silently refuse to enable it.
1661                         #
1662                         enable_dbus="no"
1663                         ;;
1664                 esac
1665         fi
1668 if test "x$enable_dbus" != "xno"; then
1669         AC_CHECK_PROG([PKGCONFIG], [pkg-config], [pkg-config], [no])
1670         if test "x$PKGCONFIG" != "xno"; then
1671                 AC_MSG_CHECKING([for D-Bus])
1672                 if "$PKGCONFIG" dbus-1; then
1673                         AC_MSG_RESULT([yes])
1674                         DBUS_CFLAGS=`"$PKGCONFIG" --cflags dbus-1`
1675                         DBUS_LIBS=`"$PKGCONFIG" --libs dbus-1`
1676                         save_CFLAGS="$CFLAGS"
1677                         save_LIBS="$LIBS"
1678                         CFLAGS="$CFLAGS $DBUS_CFLAGS"
1679                         LIBS="$LIBS $DBUS_LIBS"
1680                         AC_MSG_CHECKING(whether the D-Bus library defines dbus_connection_read_write)
1681                         AC_TRY_LINK(
1682                             [#include <string.h>
1684                              #include <time.h>
1685                              #include <sys/time.h>
1687                              #include <dbus/dbus.h>],
1688                             [return dbus_connection_read_write(NULL, 0);],
1689                             [
1690                                 AC_MSG_RESULT([yes])
1691                                 AC_DEFINE(PCAP_SUPPORT_DBUS, 1, [support D-Bus sniffing])
1692                                 DBUS_SRC=pcap-dbus.c
1693                                 V_INCLS="$V_INCLS $DBUS_CFLAGS"
1694                             ],
1695                             [
1696                                 AC_MSG_RESULT([no])
1697                                 if test "x$enable_dbus" = "xyes"; then
1698                                     AC_MSG_ERROR([--enable-dbus was given, but the D-Bus library doesn't define dbus_connection_read_write()])
1699                                 fi
1700                                 LIBS="$save_LIBS"
1701                              ])
1702                         CFLAGS="$save_CFLAGS"
1703                 else
1704                         AC_MSG_RESULT([no])
1705                         if test "x$enable_dbus" = "xyes"; then
1706                                 AC_MSG_ERROR([--enable-dbus was given, but the dbus-1 package is not installed])
1707                         fi
1708                 fi
1709         fi
1710         AC_SUBST(PCAP_SUPPORT_DBUS)
1711         AC_SUBST(DBUS_SRC)
1714 dnl check for hardware timestamp support
1715 case "$host_os" in
1716 linux*)
1717         AC_CHECK_HEADERS([linux/net_tstamp.h])
1718         ;;
1720         AC_MSG_NOTICE(no hardware timestamp support implemented for $host_os)
1721         ;;
1722 esac
1724 dnl The packet ring capture facility of Linux, described in
1725 dnl Documentation/networking/packet_mmap.txt, is not 32/64-bit compatible before
1726 dnl version 2.6.27. A 32-bit kernel requires a 32-bit userland, and likewise for
1727 dnl 64-bit. The effect of this is that a 32-bit libpcap binary will not run
1728 dnl correctly on a 64-bit kernel (the binary will use the wrong offsets into a
1729 dnl kernel struct). This problem was solved in Linux 2.6.27. Use
1730 dnl --disable-packet-ring whenever a 32-bit application must run on a 64-bit
1731 dnl target host, and either the build host or the target host run Linux 2.6.26
1732 dnl or earlier.
1733 AC_ARG_ENABLE([packet-ring],
1734 [AC_HELP_STRING([--enable-packet-ring],[enable Linux packet ring support @<:@default=yes@:>@])],
1735 ,enable_packet_ring=yes)
1737 if test "x$enable_packet_ring" != "xno" ; then
1738         AC_DEFINE(PCAP_SUPPORT_PACKET_RING, 1, [use Linux packet ring capture if available])
1739         AC_SUBST(PCAP_SUPPORT_PACKET_RING)
1742 AC_PROG_INSTALL
1744 AC_CONFIG_HEADER(config.h)
1746 AC_OUTPUT_COMMANDS([if test -f .devel; then
1747         echo timestamp > stamp-h
1748         cat Makefile-devel-adds >> Makefile
1749         make depend
1750 fi])
1751 AC_OUTPUT(Makefile pcap-filter.manmisc pcap-linktype.manmisc
1752         pcap-tstamp.manmisc pcap-savefile.manfile pcap.3pcap
1753         pcap_compile.3pcap pcap_datalink.3pcap pcap_dump_open.3pcap
1754         pcap_get_tstamp_precision.3pcap pcap_list_datalinks.3pcap
1755         pcap_list_tstamp_types.3pcap pcap_open_dead.3pcap
1756         pcap_open_offline.3pcap pcap_set_tstamp_precision.3pcap
1757         pcap_set_tstamp_type.3pcap)
1758 exit 0