freebsd-dev/contrib/tcpdump/configure.in
Patrick Kelsey 8bdc5a6251 MFV r285191: tcpdump 4.7.4.
Also, the changes made in r272451 and r272653 that were lost in the
merge of 4.6.2 (r276788) have been restored.

PR: 199568
Differential Revision: https://reviews.freebsd.org/D3007
Reviewed by: brooks, hiren
Approved by: jmallett (mentor)
MFC after: 1 month
2015-07-08 16:19:32 +00:00

1175 lines
30 KiB
Plaintext

dnl Copyright (c) 1994, 1995, 1996, 1997
dnl The Regents of the University of California. All rights reserved.
dnl
dnl Process this file with autoconf to produce a configure script.
dnl
#
# See
#
# http://ftp.gnu.org/gnu/config/README
#
# for the URLs to use to fetch new versions of config.guess and
# config.sub.
#
AC_PREREQ(2.61)
AC_INIT(tcpdump.c)
AC_CANONICAL_HOST
AC_LBL_C_INIT_BEFORE_CC(V_INCLS)
AC_PROG_CC
AC_LBL_C_INIT(V_CCOPT, V_INCLS)
AC_LBL_C_INLINE
AC_C___ATTRIBUTE__
if test "$ac_cv___attribute__" = "yes"; then
AC_C___ATTRIBUTE___UNUSED
AC_C___ATTRIBUTE___NORETURN_FUNCTION_POINTER
AC_C___ATTRIBUTE___FORMAT
if test "$ac_cv___attribute___format" = "yes"; then
AC_C___ATTRIBUTE___FORMAT_FUNCTION_POINTER
fi
fi
AC_CHECK_HEADERS(fcntl.h rpc/rpc.h rpc/rpcent.h netdnet/dnetdb.h)
AC_CHECK_HEADERS(net/pfvar.h, , , [#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>])
if test "$ac_cv_header_net_pfvar_h" = yes; then
LOCALSRC="print-pflog.c $LOCALSRC"
fi
AC_CHECK_HEADERS(netinet/if_ether.h, , , [#include <sys/types.h>
#include <sys/socket.h>])
if test "$ac_cv_header_netinet_if_ether_h" != yes; then
#
# The simple test didn't work.
# Do we need to include <net/if.h> first?
# Unset ac_cv_header_netinet_if_ether_h so we don't
# treat the previous failure as a cached value and
# suppress the next test.
#
AC_MSG_NOTICE([Rechecking with some additional includes])
unset ac_cv_header_netinet_if_ether_h
AC_CHECK_HEADERS(netinet/if_ether.h, , , [#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
struct mbuf;
struct rtentry;
#include <net/if.h>])
fi
AC_HEADER_TIME
case "$host_os" in
darwin*)
AC_ARG_ENABLE(universal,
AC_HELP_STRING([--disable-universal],[don't build universal on OS X]))
if test "$enable_universal" != "no"; then
case "$host_os" in
darwin9.*)
#
# Leopard. Build for x86 and 32-bit PowerPC, with
# x86 first. (That's what Apple does.)
#
V_CCOPT="$V_CCOPT -arch i386 -arch ppc"
LDFLAGS="$LDFLAGS -arch i386 -arch ppc"
;;
darwin10.*)
#
# Snow Leopard. Build for x86-64 and x86, with
# x86-64 first. (That's what Apple does.)
#
V_CCOPT="$V_CCOPT -arch x86_64 -arch i386"
LDFLAGS="$LDFLAGS -arch x86_64 -arch i386"
;;
esac
fi
;;
esac
AC_ARG_WITH(smi,
[ --with-smi link with libsmi (allows to load MIBs on the fly to decode SNMP packets. [default=yes]
--without-smi don't link with libsmi],,
with_smi=yes)
if test "x$with_smi" != "xno" ; then
AC_CHECK_HEADER(smi.h,
[
#
# OK, we found smi.h. Do we have libsmi with smiInit?
#
AC_CHECK_LIB(smi, smiInit,
[
#
# OK, we have libsmi with smiInit. Can we use it?
#
AC_MSG_CHECKING([whether to enable libsmi])
savedlibs="$LIBS"
LIBS="-lsmi $LIBS"
AC_TRY_RUN(
[
/* libsmi available check */
#include <smi.h>
main()
{
int current, revision, age, n;
const int required = 2;
if (smiInit(""))
exit(1);
if (strcmp(SMI_LIBRARY_VERSION, smi_library_version))
exit(2);
n = sscanf(smi_library_version, "%d:%d:%d", &current, &revision, &age);
if (n != 3)
exit(3);
if (required < current - age || required > current)
exit(4);
exit(0);
}
],
[
AC_MSG_RESULT(yes)
AC_DEFINE(USE_LIBSMI, 1,
[Define if you enable support for libsmi])
],
[
dnl autoconf documentation says that
dnl $? contains the exit value.
dnl reality is that it does not.
dnl We leave this in just in case
dnl autoconf ever comes back to
dnl match the documentation.
case $? in
1) AC_MSG_RESULT(no - smiInit failed) ;;
2) AC_MSG_RESULT(no - header/library version mismatch) ;;
3) AC_MSG_RESULT(no - can't determine library version) ;;
4) AC_MSG_RESULT(no - too old) ;;
*) AC_MSG_RESULT(no) ;;
esac
LIBS="$savedlibs"
],
[
AC_MSG_RESULT(not when cross-compiling)
LIBS="$savedlibs"
]
)
])
])
fi
AC_MSG_CHECKING([whether to enable the possibly-buggy SMB printer])
AC_ARG_ENABLE(smb,
[ --enable-smb enable possibly-buggy SMB printer [default=yes]
--disable-smb disable possibly-buggy SMB printer],,
enableval=yes)
case "$enableval" in
yes) AC_MSG_RESULT(yes)
AC_WARN([The SMB printer may have exploitable buffer overflows!!!])
AC_DEFINE(TCPDUMP_DO_SMB, 1,
[define if you want to build the possibly-buggy SMB printer])
LOCALSRC="print-smb.c smbutil.c $LOCALSRC"
;;
*) AC_MSG_RESULT(no)
;;
esac
AC_ARG_WITH(user, [ --with-user=USERNAME drop privileges by default to USERNAME])
AC_MSG_CHECKING([whether to drop root privileges by default])
if test ! -z "$with_user" ; then
AC_DEFINE_UNQUOTED(WITH_USER, "$withval",
[define if should drop privileges by default])
AC_MSG_RESULT(to \"$withval\")
else
AC_MSG_RESULT(no)
fi
AC_ARG_WITH(chroot, [ --with-chroot=DIRECTORY when dropping privileges, chroot to DIRECTORY])
AC_MSG_CHECKING([whether to chroot])
if test ! -z "$with_chroot" && test "$with_chroot" != "no" ; then
AC_DEFINE_UNQUOTED(WITH_CHROOT, "$withval",
[define if should chroot when dropping privileges])
AC_MSG_RESULT(to \"$withval\")
else
AC_MSG_RESULT(no)
fi
AC_ARG_WITH(sandbox-capsicum,
AS_HELP_STRING([--with-sandbox-capsicum],
[use Capsicum security functions @<:@default=yes, if available@:>@]))
#
# Check whether various functions are available. If any are, set
# ac_lbl_capsicum_function_seen to yes; if any are not, set
# ac_lbl_capsicum_function_not_seen to yes.
#
# We don't check cap_rights_init(), as it's a macro, wrapping another
# function, in at least some versions of FreeBSD, and AC_CHECK_FUNCS()
# doesn't handle that.
#
# All of the ones we check for must be available in order to enable
# capsicum sandboxing.
#
# XXX - do we need to check for all of them, or are there some that, if
# present, imply others are present?
#
if test ! -z "$with_sandbox-capsicum" && test "$with_sandbox-capsicum" != "no" ; then
AC_CHECK_FUNCS(cap_enter cap_rights_limit cap_ioctls_limit openat,
ac_lbl_capsicum_function_seen=yes,
ac_lbl_capsicum_function_not_seen=yes)
fi
AC_MSG_CHECKING([whether to sandbox using capsicum])
if test "x$ac_lbl_capsicum_function_seen" = "xyes" -a "x$ac_lbl_capsicum_function_not_seen" != "xyes"; then
AC_DEFINE(HAVE_CAPSICUM, 1, [capsicum support available])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
#
# We must check this before checking whether to enable IPv6, because,
# on some platforms (such as SunOS 5.x), the test program requires
# the extra networking libraries.
#
AC_LBL_LIBRARY_NET
AC_MSG_CHECKING([whether to enable ipv6])
AC_ARG_ENABLE(ipv6,
[ --enable-ipv6 enable ipv6 (with ipv4) support
--disable-ipv6 disable ipv6 support],
[ case "$enableval" in
yes) AC_MSG_RESULT(yes)
LOCALSRC="print-ip6opts.c print-mobility.c print-ripng.c print-icmp6.c print-frag6.c print-rt6.c print-ospf6.c print-dhcp6.c print-babel.c $LOCALSRC"
AC_DEFINE(INET6, 1, [Define if you enable IPv6 support])
ipv6=yes
;;
*)
AC_MSG_RESULT(no)
ipv6=no
;;
esac ],
AC_COMPILE_IFELSE(
[
AC_LANG_SOURCE(
[[/* AF_INET6 available check */
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#ifdef AF_INET6
void
foo(struct in6_addr *addr)
{
memset(addr, 0, sizeof (struct in6_addr));
}
#else
#error "AF_INET6 not defined"
#endif
]])
],
[ AC_MSG_RESULT(yes)
LOCALSRC="print-ip6opts.c print-mobility.c print-ripng.c print-icmp6.c print-frag6.c print-rt6.c print-ospf6.c print-dhcp6.c print-babel.c $LOCALSRC"
AC_DEFINE(INET6, 1, [Define if you enable IPv6 support])
ipv6=yes],
[ AC_MSG_RESULT(no)
ipv6=no],
[ AC_MSG_RESULT(no)
ipv6=no]
))
ipv6type=unknown
ipv6lib=none
ipv6trylibc=no
if test "$ipv6" = "yes"; then
AC_MSG_CHECKING([ipv6 stack type])
for i in inria kame linux-glibc linux-libinet6 toshiba v6d zeta; do
case $i in
inria)
dnl http://www.kame.net/
AC_EGREP_CPP(yes,
[#include <netinet/in.h>
#ifdef IPV6_INRIA_VERSION
yes
#endif],
[ipv6type=$i;
CFLAGS="-DINET6 $CFLAGS"])
;;
kame)
dnl http://www.kame.net/
AC_EGREP_CPP(yes,
[#include <netinet/in.h>
#ifdef __KAME__
yes
#endif],
[ipv6type=$i;
ipv6lib=inet6;
ipv6libdir=/usr/local/v6/lib;
ipv6trylibc=yes;
CFLAGS="-DINET6 $CFLAGS"])
;;
linux-glibc)
dnl http://www.v6.linux.or.jp/
AC_EGREP_CPP(yes,
[#include <features.h>
#if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
yes
#endif],
[ipv6type=$i;
CFLAGS="-DINET6 $CFLAGS"])
;;
linux-libinet6)
dnl http://www.v6.linux.or.jp/
dnl
dnl This also matches Solaris 8 and Tru64 UNIX 5.1,
dnl and possibly other versions of those OSes
dnl
if test -d /usr/inet6 -o -f /usr/include/netinet/ip6.h; then
ipv6type=$i
ipv6lib=inet6
ipv6libdir=/usr/inet6/lib
ipv6trylibc=yes;
CFLAGS="-DINET6 -I/usr/inet6/include $CFLAGS"
fi
;;
toshiba)
AC_EGREP_CPP(yes,
[#include <sys/param.h>
#ifdef _TOSHIBA_INET6
yes
#endif],
[ipv6type=$i;
ipv6lib=inet6;
ipv6libdir=/usr/local/v6/lib;
CFLAGS="-DINET6 $CFLAGS"])
;;
v6d)
AC_EGREP_CPP(yes,
[#include </usr/local/v6/include/sys/v6config.h>
#ifdef __V6D__
yes
#endif],
[ipv6type=$i;
ipv6lib=v6;
ipv6libdir=/usr/local/v6/lib;
CFLAGS="-I/usr/local/v6/include $CFLAGS"])
;;
zeta)
AC_EGREP_CPP(yes,
[#include <sys/param.h>
#ifdef _ZETA_MINAMI_INET6
yes
#endif],
[ipv6type=$i;
ipv6lib=inet6;
ipv6libdir=/usr/local/v6/lib;
CFLAGS="-DINET6 $CFLAGS"])
;;
esac
if test "$ipv6type" != "unknown"; then
break
fi
done
AC_MSG_RESULT($ipv6type)
fi
if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then
if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then
LIBS="-L$ipv6libdir -l$ipv6lib $LIBS"
echo "You have $ipv6lib library, using it"
else
if test "$ipv6trylibc" = "yes"; then
echo "You do not have $ipv6lib library, using libc"
else
echo 'Fatal: no $ipv6lib library found. cannot continue.'
echo "You need to fetch lib$ipv6lib.a from appropriate"
echo 'ipv6 kit and compile beforehand.'
exit 1
fi
fi
fi
if test "$ipv6" = "yes"; then
#
# XXX - on Tru64 UNIX 5.1, there is no "getaddrinfo()"
# function in libc; there are "ngetaddrinfo()" and
# "ogetaddrinfo()" functions, and <netdb.h> #defines
# "getaddrinfo" to be either "ngetaddrinfo" or
# "ogetaddrinfo", depending on whether _SOCKADDR_LEN
# or _XOPEN_SOURCE_EXTENDED are defined or not.
#
# So this test doesn't work on Tru64 5.1, and possibly
# on other 5.x releases. This causes the configure
# script to become confused, and results in libpcap
# being unbuildable.
#
AC_SEARCH_LIBS(getaddrinfo, socket, [dnl
AC_MSG_CHECKING(getaddrinfo bug)
AC_CACHE_VAL(td_cv_buggygetaddrinfo, [AC_TRY_RUN([
#include <sys/types.h>
#include <netdb.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
main()
{
int passive, gaierr, inet4 = 0, inet6 = 0;
struct addrinfo hints, *ai, *aitop;
char straddr[INET6_ADDRSTRLEN], strport[16];
for (passive = 0; passive <= 1; passive++) {
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_flags = passive ? AI_PASSIVE : 0;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
(void)gai_strerror(gaierr);
goto bad;
}
for (ai = aitop; ai; ai = ai->ai_next) {
if (ai->ai_addr == NULL ||
ai->ai_addrlen == 0 ||
getnameinfo(ai->ai_addr, ai->ai_addrlen,
straddr, sizeof(straddr), strport, sizeof(strport),
NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
goto bad;
}
switch (ai->ai_family) {
case AF_INET:
if (strcmp(strport, "54321") != 0) {
goto bad;
}
if (passive) {
if (strcmp(straddr, "0.0.0.0") != 0) {
goto bad;
}
} else {
if (strcmp(straddr, "127.0.0.1") != 0) {
goto bad;
}
}
inet4++;
break;
case AF_INET6:
if (strcmp(strport, "54321") != 0) {
goto bad;
}
if (passive) {
if (strcmp(straddr, "::") != 0) {
goto bad;
}
} else {
if (strcmp(straddr, "::1") != 0) {
goto bad;
}
}
inet6++;
break;
case AF_UNSPEC:
goto bad;
break;
#ifdef AF_UNIX
case AF_UNIX:
#else
#ifdef AF_LOCAL
case AF_LOCAL:
#endif
#endif
default:
/* another family support? */
break;
}
}
}
/* supported family should be 2, unsupported family should be 0 */
if (!(inet4 == 0 || inet4 == 2))
goto bad;
if (!(inet6 == 0 || inet6 == 2))
goto bad;
if (aitop)
freeaddrinfo(aitop);
exit(0);
bad:
if (aitop)
freeaddrinfo(aitop);
exit(1);
}
],
td_cv_buggygetaddrinfo=no,
td_cv_buggygetaddrinfo=yes,
td_cv_buggygetaddrinfo=unknown)])
if test "$td_cv_buggygetaddrinfo" = no; then
AC_MSG_RESULT(good)
elif test "$td_cv_buggygetaddrinfo" = unknown; then
AC_MSG_RESULT([unknown (cross-compiling)])
else
AC_MSG_RESULT(buggy)
fi
if test "$td_cv_buggygetaddrinfo" = "yes"; then
#
# XXX - it doesn't appear that "ipv6type" can ever be
# set to "linux". Should this be testing for
# "linux-glibc", or for that *or* "linux-libinet6"?
# If the latter, note that "linux-libinet6" is also
# the type given to some non-Linux OSes.
#
if test "$ipv6type" != "linux"; then
echo 'Fatal: You must get working getaddrinfo() function.'
echo ' or you can specify "--disable-ipv6"'.
exit 1
else
echo 'Warning: getaddrinfo() implementation on your system seems be buggy.'
echo ' Better upgrade your system library to newest version'
echo ' of GNU C library (aka glibc).'
fi
fi
])
AC_REPLACE_FUNCS(getnameinfo)
fi
AC_CACHE_CHECK([for dnet_htoa declaration in netdnet/dnetdb.h],
[td_cv_decl_netdnet_dnetdb_h_dnet_htoa],
[AC_EGREP_HEADER(dnet_htoa, netdnet/dnetdb.h,
td_cv_decl_netdnet_dnetdb_h_dnet_htoa=yes,
td_cv_decl_netdnet_dnetdb_h_dnet_htoa=no)])
if test "$td_cv_decl_netdnet_dnetdb_h_dnet_htoa" = yes; then
AC_DEFINE(HAVE_NETDNET_DNETDB_H_DNET_HTOA, 1,
[define if you have a dnet_htoa declaration in <netdnet/dnetdb.h>])
fi
dnl
dnl Checks for addrinfo structure
AC_STRUCT_ADDRINFO(ac_cv_addrinfo)
if test "$ac_cv_addrinfo" = no; then
missing_includes=yes
fi
dnl
dnl Checks for NI_MAXSERV
AC_NI_MAXSERV(ac_cv_maxserv)
if test "$ac_cv_maxserv" = no; then
missing_includes=yes
fi
dnl
dnl Checks for NI_NAMEREQD
AC_NI_NAMEREQD(ac_cv_namereqd)
if test "$ac_cv_namereqd" = no; then
missing_includes=yes
fi
AC_REPLACE_FUNCS(vfprintf strcasecmp strlcat strlcpy strdup strsep getopt_long)
AC_CHECK_FUNCS(fork vfork strftime)
AC_CHECK_FUNCS(setlinebuf alarm)
needsnprintf=no
AC_CHECK_FUNCS(vsnprintf snprintf,,
[needsnprintf=yes])
if test $needsnprintf = yes; then
AC_LIBOBJ(snprintf)
fi
AC_LBL_TYPE_SIGNAL
AC_SEARCH_LIBS(dnet_htoa, dnet,
AC_DEFINE(HAVE_DNET_HTOA, 1, [define if you have the dnet_htoa function]))
AC_CHECK_LIB(rpc, main) dnl It's unclear why we might need -lrpc
dnl Some platforms may need -lnsl for getrpcbynumber.
AC_SEARCH_LIBS(getrpcbynumber, nsl,
AC_DEFINE(HAVE_GETRPCBYNUMBER, 1, [define if you have getrpcbynumber()]))
dnl AC_CHECK_LIB(z, uncompress)
dnl AC_CHECK_HEADERS(zlib.h)
AC_LBL_LIBPCAP(V_PCAPDEP, V_INCLS)
#
# Check for these after AC_LBL_LIBPCAP, so we link with the appropriate
# libraries (e.g., "-lsocket -lnsl" on Solaris).
#
# We don't use AC_REPLACE_FUNCS because that uses AC_CHECK_FUNCS which
# use AC_CHECK_FUNC which doesn't let us specify the right #includes
# to make this work on BSD/OS 4.x. BSD/OS 4.x ships with the BIND8
# resolver, and the way it defines inet_{ntop,pton} is rather strange;
# it does not ship with a libc symbol "inet_ntop()", it ships with
# "_inet_ntop()", and has a #define macro in one of the system headers
# to rename it.
#
dnl AC_TRY_COMPILE(inet_ntop inet_pton inet_aton)
AC_MSG_CHECKING(for inet_ntop)
AC_TRY_LINK([#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>], [char src[4], dst[128];
inet_ntop(AF_INET, src, dst, sizeof(dst));],
[AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)
AC_LIBOBJ(inet_ntop)])
AC_MSG_CHECKING(for inet_pton)
AC_TRY_LINK([#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>], [char src[128], dst[4];
inet_pton(AF_INET, src, dst);],
[AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)
AC_LIBOBJ(inet_pton)])
AC_MSG_CHECKING(for inet_aton)
AC_TRY_LINK([#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>], [char src[128];
struct in_addr dst;
inet_aton(src, &dst);],
[AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)
AC_LIBOBJ(inet_aton)])
#
# Check for these after AC_LBL_LIBPCAP, for the same reason.
#
# You are in a twisty little maze of UN*Xes, all different.
# Some might not have ether_ntohost().
# Some might have it, but not declare it in any header file.
# Some might have it, but declare it in <netinet/if_ether.h>.
# Some might have it, but declare it in <netinet/ether.h>
# (And some might have it but document it as something declared in
# <netinet/ethernet.h>, although <netinet/if_ether.h> appears to work.)
#
# Before you is a C compiler.
#
AC_CHECK_FUNCS(ether_ntohost, [
AC_CACHE_CHECK(for buggy ether_ntohost, ac_cv_buggy_ether_ntohost, [
AC_TRY_RUN([
#include <netdb.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
int
main(int argc, char **argv)
{
u_char ea[6] = { 0xff, 0xff, 0xff, 0xff, 0xff };
char name[MAXHOSTNAMELEN];
ether_ntohost(name, (struct ether_addr *)ea);
exit(0);
}
], [ac_cv_buggy_ether_ntohost=no],
[ac_cv_buggy_ether_ntohost=yes],
[ac_cv_buggy_ether_ntohost="not while cross-compiling"])])
if test "$ac_cv_buggy_ether_ntohost" = "no"; then
AC_DEFINE(USE_ETHER_NTOHOST, 1,
[define if you have ether_ntohost() and it works])
fi
])
if test "$ac_cv_func_ether_ntohost" = yes -a \
"$ac_cv_buggy_ether_ntohost" = "no"; then
#
# OK, we have ether_ntohost(). Do we have <netinet/if_ether.h>?
#
if test "$ac_cv_header_netinet_if_ether_h" = yes; then
#
# Yes. Does it declare ether_ntohost()?
#
AC_CHECK_DECL(ether_ntohost,
[
AC_DEFINE(NETINET_IF_ETHER_H_DECLARES_ETHER_NTOHOST,,
[Define to 1 if netinet/if_ether.h declares `ether_ntohost'])
],,
[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
struct mbuf;
struct rtentry;
#include <net/if.h>
#include <netinet/if_ether.h>
])
fi
#
# Did that succeed?
#
if test "$ac_cv_have_decl_ether_ntohost" != yes; then
#
# No, how about <netinet/ether.h>, as on Linux?
#
AC_CHECK_HEADERS(netinet/ether.h)
if test "$ac_cv_header_netinet_ether_h" = yes; then
#
# We have it - does it declare ether_ntohost()?
# Unset ac_cv_have_decl_ether_ntohost so we don't
# treat the previous failure as a cached value and
# suppress the next test.
#
unset ac_cv_have_decl_ether_ntohost
AC_CHECK_DECL(ether_ntohost,
[
AC_DEFINE(NETINET_ETHER_H_DECLARES_ETHER_NTOHOST,,
[Define to 1 if netinet/ether.h declares `ether_ntohost'])
],,
[
#include <netinet/ether.h>
])
fi
fi
#
# Is ether_ntohost() declared?
#
if test "$ac_cv_have_decl_ether_ntohost" != yes; then
#
# No, we'll have to declare it ourselves.
# Do we have "struct ether_addr"?
#
AC_CHECK_TYPES(struct ether_addr,,,
[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
struct mbuf;
struct rtentry;
#include <net/if.h>
#include <netinet/if_ether.h>
])
AC_DEFINE(HAVE_DECL_ETHER_NTOHOST, 0,
[Define to 1 if you have the declaration of `ether_ntohost', and to 0 if you
don't.])
else
AC_DEFINE(HAVE_DECL_ETHER_NTOHOST, 1,
[Define to 1 if you have the declaration of `ether_ntohost', and to 0 if you
don't.])
fi
fi
# libdlpi is needed for Solaris 11 and later.
AC_CHECK_LIB(dlpi, dlpi_walk, LIBS="$LIBS -ldlpi" LDFLAGS="-L/lib $LDFLAGS", ,-L/lib)
dnl portability macros for getaddrinfo/getnameinfo
dnl
dnl Check for sa_len
AC_CHECK_SA_LEN(ac_cv_sockaddr_has_sa_len)
if test "$ac_cv_sockaddr_has_sa_len" = no; then
missing_includes=yes
fi
dnl
dnl Check for "pcap_list_datalinks()", "pcap_set_datalink()",
dnl and "pcap_datalink_name_to_val()", and use substitute versions
dnl if they're not present.
dnl
AC_CHECK_FUNC(pcap_list_datalinks,
[
AC_DEFINE(HAVE_PCAP_LIST_DATALINKS, 1,
[define if libpcap has pcap_list_datalinks()])
AC_CHECK_FUNCS(pcap_free_datalinks)
],
[
AC_LIBOBJ(datalinks)
])
AC_CHECK_FUNCS(pcap_set_datalink)
AC_CHECK_FUNC(pcap_datalink_name_to_val,
[
AC_DEFINE(HAVE_PCAP_DATALINK_NAME_TO_VAL, 1,
[define if libpcap has pcap_datalink_name_to_val()])
AC_CHECK_FUNC(pcap_datalink_val_to_description,
AC_DEFINE(HAVE_PCAP_DATALINK_VAL_TO_DESCRIPTION, 1,
[define if libpcap has pcap_datalink_val_to_description()]),
[
AC_LIBOBJ(dlnames)
])
],
[
AC_LIBOBJ(dlnames)
])
dnl
dnl Check for "pcap_breakloop()"; you can't substitute for it if
dnl it's absent (it has hooks into the live capture routines),
dnl so just define the HAVE_ value if it's there.
dnl
AC_CHECK_FUNCS(pcap_breakloop)
dnl
dnl Check for "pcap_dump_ftell()" and use a substitute version
dnl if it's not present.
dnl
AC_CHECK_FUNC(pcap_dump_ftell,
AC_DEFINE(HAVE_PCAP_DUMP_FTELL, 1,
[define if libpcap has pcap_dump_ftell()]),
[
AC_LIBOBJ(pcap_dump_ftell)
])
#
# Do we have the new open API? Check for pcap_create, and assume that,
# if we do, we also have pcap_activate() and the other new routines
# introduced in libpcap 1.0.0.
#
AC_CHECK_FUNCS(pcap_create)
if test $ac_cv_func_pcap_create = "yes" ; then
#
# OK, do we have pcap_set_tstamp_type? If so, assume we have
# pcap_list_tstamp_types and pcap_free_tstamp_types as well.
#
AC_CHECK_FUNCS(pcap_set_tstamp_type)
#
# And do we have pcap_set_tstamp_precision? If so, we assume
# we also have pcap_open_offline_with_tstamp_precision.
#
AC_CHECK_FUNCS(pcap_set_tstamp_precision)
fi
#
# Check for a miscellaneous collection of functions which we use
# if we have them.
#
AC_CHECK_FUNCS(pcap_findalldevs pcap_dump_flush pcap_lib_version pcap_setdirection pcap_set_immediate_mode)
if test $ac_cv_func_pcap_findalldevs = "yes" ; then
dnl Check for Mac OS X, which may ship pcap.h from 0.6 but libpcap may
dnl be 0.8; this means that lib has pcap_findalldevs but header doesn't
dnl have pcap_if_t.
savedcppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $V_INCLS"
AC_CHECK_TYPES(pcap_if_t, , , [#include <pcap.h>])
CPPFLAGS="$savedcppflags"
fi
if test $ac_cv_func_pcap_lib_version = "no" ; then
AC_MSG_CHECKING(whether pcap_version is defined by libpcap)
AC_TRY_LINK([],
[
extern char pcap_version[];
return (int)pcap_version;
],
ac_lbl_cv_pcap_version_defined=yes,
ac_lbl_cv_pcap_version_defined=no)
if test "$ac_lbl_cv_pcap_version_defined" = yes ; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PCAP_VERSION, 1, [define if libpcap has pcap_version])
else
AC_MSG_RESULT(no)
fi
fi
AC_MSG_CHECKING(whether pcap_debug is defined by libpcap)
AC_TRY_LINK([],
[
extern int pcap_debug;
return pcap_debug;
],
ac_lbl_cv_pcap_debug_defined=yes,
ac_lbl_cv_pcap_debug_defined=no)
if test "$ac_lbl_cv_pcap_debug_defined" = yes ; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PCAP_DEBUG, 1, [define if libpcap has pcap_debug])
else
AC_MSG_RESULT(no)
#
# OK, what about "yydebug"?
#
AC_MSG_CHECKING(whether yydebug is defined by libpcap)
AC_TRY_LINK([],
[
extern int yydebug;
return yydebug;
],
ac_lbl_cv_yydebug_defined=yes,
ac_lbl_cv_yydebug_defined=no)
if test "$ac_lbl_cv_yydebug_defined" = yes ; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_YYDEBUG, 1, [define if libpcap has yydebug])
else
AC_MSG_RESULT(no)
fi
fi
AC_REPLACE_FUNCS(bpf_dump) dnl moved to libpcap in 0.6
V_GROUP=0
if test -f /etc/group -a ! -z "`grep '^wheel:' /etc/group`" ; then
V_GROUP=wheel
fi
#
# Assume V7/BSD convention for man pages (file formats in section 5,
# miscellaneous info in section 7).
#
MAN_FILE_FORMATS=5
MAN_MISC_INFO=7
case "$host_os" in
aix*)
dnl Workaround to enable certain features
AC_DEFINE(_SUN,1,[define on AIX to get certain functions])
;;
hpux*)
#
# Use System V conventions for man pages.
#
MAN_FILE_FORMATS=4
MAN_MISC_INFO=5
;;
irix*)
V_GROUP=sys
#
# Use System V conventions for man pages.
#
MAN_FILE_FORMATS=4
MAN_MISC_INFO=5
;;
osf*)
V_GROUP=system
#
# Use System V conventions for man pages.
#
MAN_FILE_FORMATS=4
MAN_MISC_INFO=5
;;
solaris*)
V_GROUP=sys
#
# Use System V conventions for man pages.
#
MAN_FILE_FORMATS=4
MAN_MISC_INFO=5
;;
esac
if test -f /dev/bpf0 ; then
V_GROUP=bpf
fi
#
# Make sure we have definitions for all the C99 specified-width types
# (regardless of whether the environment is a C99 environment or not).
#
AC_TYPE_INT8_T
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
#
# Make sure we have a definition for C99's uintptr_t (regardless of
# whether the environment is a C99 environment or not).
#
AC_TYPE_UINTPTR_T
#
# Define the old BSD specified-width types in terms of the C99 types;
# we may need them with libpcap include files.
#
AC_CHECK_TYPE([u_int8_t], ,
[AC_DEFINE([u_int8_t], [uint8_t],
[Define to `uint8_t' if u_int8_t not defined.])],
[AC_INCLUDES_DEFAULT
#include <sys/types.h>
])
AC_CHECK_TYPE([u_int16_t], ,
[AC_DEFINE([u_int16_t], [uint16_t],
[Define to `uint16_t' if u_int16_t not defined.])],
[AC_INCLUDES_DEFAULT
#include <sys/types.h>
])
AC_CHECK_TYPE([u_int32_t], ,
[AC_DEFINE([u_int32_t], [uint32_t],
[Define to `uint32_t' if u_int32_t not defined.])],
[AC_INCLUDES_DEFAULT
#include <sys/types.h>
])
AC_CHECK_TYPE([u_int64_t], ,
[AC_DEFINE([u_int64_t], [uint64_t],
[Define to `uint64_t' if u_int64_t not defined.])],
[AC_INCLUDES_DEFAULT
#include <sys/types.h>
])
#
# Check for <inttypes.h>
#
AC_CHECK_HEADERS(inttypes.h,
[
#
# OK, we have inttypes.h, but does it define all the PRI[doxu]64 macros?
# Some systems have an inttypes.h that doesn't define all of them.
#
AC_MSG_CHECKING([[whether inttypes.h defines the PRI[doxu]64 macros]])
AC_COMPILE_IFELSE(
[
AC_LANG_SOURCE(
[[
#include <inttypes.h>
#include <stdio.h>
#include <sys/types.h>
main()
{
printf("%" PRId64 "\n", (uint64_t)1);
printf("%" PRIo64 "\n", (uint64_t)1);
printf("%" PRIx64 "\n", (uint64_t)1);
printf("%" PRIu64 "\n", (uint64_t)1);
}
]])
],
[
AC_MSG_RESULT(yes)
ac_lbl_inttypes_h_defines_formats=yes
],
[
AC_MSG_RESULT(no)
ac_lbl_inttypes_h_defines_formats=no
])
],
[
#
# We don't have inttypes.h, so it obviously can't define those
# macros.
#
ac_lbl_inttypes_h_defines_formats=no
])
if test "$ac_lbl_inttypes_h_defines_formats" = no; then
AC_LBL_CHECK_64BIT_FORMAT(l,
[
AC_LBL_CHECK_64BIT_FORMAT(ll,
[
AC_LBL_CHECK_64BIT_FORMAT(L,
[
AC_LBL_CHECK_64BIT_FORMAT(q,
[
AC_MSG_ERROR([neither %llx nor %Lx nor %qx worked on a 64-bit integer])
])
])
])
])
fi
#
# Check for some headers introduced in later versions of libpcap
# and used by some printers.
#
# Those headers use the {u_}intN_t types, so we must do this after
# we check for what's needed to get them defined.
#
savedcppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $V_INCLS"
AC_CHECK_HEADERS(pcap/bluetooth.h,,,[#include "tcpdump-stdinc.h"])
AC_CHECK_HEADERS(pcap/nflog.h,,,[#include "tcpdump-stdinc.h"])
AC_CHECK_HEADERS(pcap/usb.h,,,[#include "tcpdump-stdinc.h"])
CPPFLAGS="$savedcppflags"
AC_PROG_RANLIB
AC_CHECK_TOOL([AR], [ar])
AC_LBL_DEVEL(V_CCOPT)
AC_LBL_SOCKADDR_SA_LEN
AC_LBL_UNALIGNED_ACCESS
AC_VAR_H_ERRNO
# Check for OpenSSL libcrypto
AC_MSG_CHECKING(whether to use OpenSSL libcrypto)
# Specify location for both includes and libraries.
want_libcrypto=ifavailable
AC_ARG_WITH(crypto,
AS_HELP_STRING([--with-crypto],
[use OpenSSL libcrypto @<:@default=yes, if available@:>@]),
[
if test $withval = no
then
want_libcrypto=no
AC_MSG_RESULT(no)
elif test $withval = yes
then
want_libcrypto=yes
AC_MSG_RESULT(yes)
fi
],[
#
# Use libcrypto if it's present, otherwise don't.
#
want_libcrypto=ifavailable
AC_MSG_RESULT([yes, if available])
])
if test "$want_libcrypto" != "no"; then
AC_CHECK_LIB(crypto, DES_cbc_encrypt)
AC_CHECK_HEADERS(openssl/evp.h)
fi
# Check for libcap-ng
AC_MSG_CHECKING(whether to use libcap-ng)
# Specify location for both includes and libraries.
want_libcap_ng=ifavailable
AC_ARG_WITH(cap_ng,
AS_HELP_STRING([--with-cap-ng],
[use libcap-ng @<:@default=yes, if available@:>@]),
[
if test $withval = no
then
want_libcap_ng=no
AC_MSG_RESULT(no)
elif test $withval = yes
then
want_libcap_ng=yes
AC_MSG_RESULT(yes)
fi
],[
#
# Use libcap-ng if it's present, otherwise don't.
#
want_libcap_ng=ifavailable
AC_MSG_RESULT([yes, if available])
])
if test "$want_libcap_ng" != "no"; then
AC_CHECK_LIB(cap-ng, capng_change_id)
AC_CHECK_HEADERS(cap-ng.h)
fi
dnl
dnl set additional include path if necessary
if test "$missing_includes" = "yes"; then
CPPFLAGS="$CPPFLAGS -I$srcdir/missing"
V_INCLS="$V_INCLS -I$srcdir/missing"
fi
AC_SUBST(V_CCOPT)
AC_SUBST(V_DEFS)
AC_SUBST(V_GROUP)
AC_SUBST(V_INCLS)
AC_SUBST(V_PCAPDEP)
AC_SUBST(LOCALSRC)
AC_SUBST(MAN_FILE_FORMATS)
AC_SUBST(MAN_MISC_INFO)
AC_PROG_INSTALL
AC_CONFIG_HEADER(config.h)
AC_OUTPUT_COMMANDS([if test -f .devel; then
echo timestamp > stamp-h
cat Makefile-devel-adds >> Makefile
make depend
fi])
AC_OUTPUT(Makefile tcpdump.1)
exit 0