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configure.in
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configure.in
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dnl @(#) $Header: /tcpdump/master/libpcap/configure.in,v 1.168 2008-12-23 20:49:26 guy Exp $ (LBL)
dnl
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_REVISION($Revision: 1.168 $)
AC_PREREQ(2.50)
AC_INIT(pcap.c)
AC_CANONICAL_SYSTEM
AC_LBL_C_INIT_BEFORE_CC(V_CCOPT, V_INCLS)
AC_PROG_CC
AC_LBL_C_INIT(V_CCOPT, V_INCLS)
AC_LBL_SHLIBS_INIT
AC_LBL_C_INLINE
AC_C___ATTRIBUTE__
AC_CHECK_HEADERS(sys/bitypes.h)
AC_CHECK_TYPE([int8_t], ,
[AC_DEFINE([int8_t], [signed char],
[Define to `signed char' if int8_t not defined.])],
[AC_INCLUDES_DEFAULT
#ifdef HAVE_SYS_BITYPES_H
#include <sys/bitypes.h>
#endif])
AC_CHECK_TYPE([u_int8_t], ,
[AC_DEFINE([u_int8_t], [unsigned char],
[Define to `unsigned char' if u_int8_t not defined.])],
[AC_INCLUDES_DEFAULT
#ifdef HAVE_SYS_BITYPES_H
#include <sys/bitypes.h>
#endif])
AC_CHECK_TYPE([int16_t], ,
[AC_DEFINE([int16_t], [short],
[Define to `short' if int16_t not defined.])]
[AC_INCLUDES_DEFAULT
#ifdef HAVE_SYS_BITYPES_H
#include <sys/bitypes.h>
#endif])
AC_CHECK_TYPE([u_int16_t], ,
[AC_DEFINE([u_int16_t], [unsigned short],
[Define to `unsigned short' if u_int16_t not defined.])],
[AC_INCLUDES_DEFAULT
#ifdef HAVE_SYS_BITYPES_H
#include <sys/bitypes.h>
#endif])
AC_CHECK_TYPE([int32_t], ,
[AC_DEFINE([int32_t], [int],
[Define to `int' if int32_t not defined.])],
[AC_INCLUDES_DEFAULT
#ifdef HAVE_SYS_BITYPES_H
#include <sys/bitypes.h>
#endif])
AC_CHECK_TYPE([u_int32_t], ,
[AC_DEFINE([u_int32_t], [unsigned int],
[Define to `unsigned int' if u_int32_t not defined.])],
[AC_INCLUDES_DEFAULT
#ifdef HAVE_SYS_BITYPES_H
#include <sys/bitypes.h>
#endif])
AC_CHECK_TYPE([int64_t], ,
[AC_DEFINE([int64_t], [long long],
[Define to `long long' if int64_t not defined.])],
[AC_INCLUDES_DEFAULT
#ifdef HAVE_SYS_BITYPES_H
#include <sys/bitypes.h>
#endif])
AC_CHECK_TYPE([u_int64_t], ,
[AC_DEFINE([u_int64_t], [unsigned long long],
[Define to `unsigned long long' if u_int64_t not defined.])],
[AC_INCLUDES_DEFAULT
#ifdef HAVE_SYS_BITYPES_H
#include <sys/bitypes.h>
#endif])
#
# Try to arrange for large file support.
#
AC_SYS_LARGEFILE
AC_FUNC_FSEEKO
dnl
dnl Even if <net/bpf.h> were, on all OSes that support BPF, fixed to
dnl include <sys/ioccom.h>, and we were to drop support for older
dnl releases without that fix, so that pcap-bpf.c doesn't need to
dnl include <sys/ioccom.h>, the test program in "AC_LBL_FIXINCLUDES"
dnl in "aclocal.m4" uses it, so we would still have to test for it
dnl and set "HAVE_SYS_IOCCOM_H" if we have it, otherwise
dnl "AC_LBL_FIXINCLUDES" wouldn't work on some platforms such as Solaris.
dnl
AC_CHECK_HEADERS(sys/ioccom.h sys/sockio.h limits.h paths.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
#
# Check for various PF actions.
#
AC_MSG_CHECKING(whether net/pfvar.h defines PF_NAT through PF_NORDR)
AC_TRY_COMPILE(
[#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/pfvar.h>],
[return PF_NAT+PF_NONAT+PF_BINAT+PF_NOBINAT+PF_RDR+PF_NORDR;],
[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PF_NAT_THROUGH_PF_NORDR, 1,
[define if net/pfvar.h defines PF_NAT through PF_NORDR])
],
AC_MSG_RESULT(no))
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_LBL_FIXINCLUDES
AC_CHECK_FUNCS(strerror strlcpy)
needsnprintf=no
AC_CHECK_FUNCS(vsnprintf snprintf,,
[needsnprintf=yes])
if test $needsnprintf = yes; then
AC_LIBOBJ(snprintf)
fi
#
# Do this before checking for ether_hostton(), as it's a
# "gethostbyname() -ish function".
#
AC_LBL_LIBRARY_NET
#
# You are in a twisty little maze of UN*Xes, all different.
# Some might not have ether_hostton().
# Some might have it, but not declare it in any header file.
# Some might have it, but declare it in <netinet/if_ether.h>.
# Some might have it, but declare it in <netinet/ether.h>
# (And some might have it but document it as something declared in
# <netinet/ethernet.h>, although <netinet/if_ether.h> appears to work.)
#
# Before you is a C compiler.
#
AC_CHECK_FUNCS(ether_hostton)
if test "$ac_cv_func_ether_hostton" = yes; then
#
# OK, we have ether_hostton(). Do we have <netinet/if_ether.h>?
#
if test "$ac_cv_header_netinet_if_ether_h" = yes; then
#
# Yes. Does it declare ether_hostton()?
#
AC_CHECK_DECL(ether_hostton,
[
AC_DEFINE(NETINET_IF_ETHER_H_DECLARES_ETHER_HOSTTON,,
[Define to 1 if netinet/if_ether.h declares `ether_hostton'])
],,
[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
struct mbuf;
struct rtentry;
#include <net/if.h>
#include <netinet/if_ether.h>
])
fi
#
# Did that succeed?
#
if test "$ac_cv_have_decl_ether_hostton" != yes; then
#
# No, how about <netinet/ether.h>, as on Linux?
#
AC_CHECK_HEADERS(netinet/ether.h)
if test "$ac_cv_header_netinet_ether_h" = yes; then
#
# We have it - does it declare ether_hostton()?
# Unset ac_cv_have_decl_ether_hostton so we don't
# treat the previous failure as a cached value and
# suppress the next test.
#
unset ac_cv_have_decl_ether_hostton
AC_CHECK_DECL(ether_hostton,
[
AC_DEFINE(NETINET_ETHER_H_DECLARES_ETHER_HOSTTON,,
[Define to 1 if netinet/ether.h declares `ether_hostton'])
],,
[
#include <netinet/ether.h>
])
fi
fi
#
# Is ether_hostton() declared?
#
if test "$ac_cv_have_decl_ether_hostton" != 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_HOSTTON, 0,
[Define to 1 if you have the declaration of `ether_hostton', and to 0 if you
don't.])
else
AC_DEFINE(HAVE_DECL_ETHER_HOSTTON, 1,
[Define to 1 if you have the declaration of `ether_hostton', and to 0 if you
don't.])
fi
fi
dnl to pacify those who hate protochain insn
AC_MSG_CHECKING(if --disable-protochain option is specified)
AC_ARG_ENABLE(protochain,
AC_HELP_STRING([--disable-protochain],[disable \"protochain\" insn]))
case "x$enable_protochain" in
xyes) enable_protochain=enabled ;;
xno) enable_protochain=disabled ;;
x) enable_protochain=enabled ;;
esac
if test "$enable_protochain" = "disabled"; then
AC_DEFINE(NO_PROTOCHAIN,1,[do not use protochain])
fi
AC_MSG_RESULT(${enable_protochain})
#
# SITA support is mutually exclusive with native capture support;
# "--with-sita" selects SITA support.
#
AC_ARG_WITH(sita,
AC_HELP_STRING([--with-sita],[include SITA support]),
[
if test ! "x$withval" = "xno" ; then
AC_DEFINE(SITA,1,[include ACN support])
AC_MSG_NOTICE(Enabling SITA ACN support)
V_PCAP=sita
V_FINDALLDEVS=sita
fi
],
[
dnl
dnl Not all versions of test support -c (character special) but it's a
dnl better way of testing since the device might be protected. So we
dnl check in our normal order using -r and then check the for the /dev
dnl guys again using -c.
dnl
dnl XXX This could be done for cross-compiling, but for now it's not.
dnl
if test -z "$with_pcap" && test "$cross_compiling" = yes; then
AC_MSG_ERROR(pcap type not determined when cross-compiling; use --with-pcap=...)
fi
AC_ARG_WITH(pcap,
AC_HELP_STRING([--with-pcap=TYPE],[use packet capture TYPE]))
AC_MSG_CHECKING(packet capture type)
if test ! -z "$with_pcap" ; then
V_PCAP="$withval"
elif test -r /dev/bpf -o -h /dev/bpf ; then
#
# Cloning BPF device.
#
V_PCAP=bpf
AC_DEFINE(HAVE_CLONING_BPF,1,[define if you have a cloning BPF device])
elif test -r /dev/bpf0 ; then
V_PCAP=bpf
elif test -r /usr/include/net/pfilt.h ; then
V_PCAP=pf
elif test -r /dev/enet ; then
V_PCAP=enet
elif test -r /dev/nit ; then
V_PCAP=snit
elif test -r /usr/include/sys/net/nit.h ; then
V_PCAP=nit
elif test -r /usr/include/linux/socket.h ; then
V_PCAP=linux
elif test -r /usr/include/net/raw.h ; then
V_PCAP=snoop
elif test -r /usr/include/odmi.h ; then
#
# On AIX, the BPF devices might not yet be present - they're
# created the first time libpcap runs after booting.
# We check for odmi.h instead.
#
V_PCAP=bpf
elif test -c /dev/bpf0 ; then # check again in case not readable
V_PCAP=bpf
elif test -r /usr/include/sys/dlpi.h ; then
V_PCAP=dlpi
elif test -c /dev/enet ; then # check again in case not readable
V_PCAP=enet
elif test -c /dev/nit ; then # check again in case not readable
V_PCAP=snit
else
V_PCAP=null
fi
AC_MSG_RESULT($V_PCAP)
#
# Do capture-mechanism-dependent tests.
#
case "$V_PCAP" in
dlpi)
#
# Checks to see if Solaris has the public libdlpi(3LIB) library.
# Note: The existence of /usr/include/libdlpi.h does not mean it is the
# public libdlpi(3LIB) version. Before libdlpi was made public, a
# private version also existed, which did not have the same APIs.
# Due to a gcc bug, the default search path for 32-bit libraries does
# not include /lib, we add it explicitly here.
# [http://bugs.opensolaris.org/view_bug.do?bug_id=6619485].
# Also, due to the bug above applications that link to libpcap with
# libdlpi will have to add "-L/lib" option to "configure".
#
saved_ldflags=$LDFLAGS
LDFLAGS="$LIBS -L/lib"
AC_CHECK_LIB(dlpi, dlpi_walk,
LIBS="-ldlpi $LIBS"
V_PCAP=libdlpi
AC_DEFINE(HAVE_LIBDLPI,1,[if libdlpi exists]),
V_PCAP=dlpi)
LDFLAGS=$saved_ldflags
#
# Checks whether <sys/dlpi.h> is usable, to catch weird SCO
# versions of DLPI.
#
AC_MSG_CHECKING(whether <sys/dlpi.h> is usable)
AC_CACHE_VAL(ac_cv_sys_dlpi_usable,
AC_TRY_COMPILE(
[
#include <sys/types.h>
#include <sys/time.h>
#include <sys/dlpi.h>
],
[int i = DL_PROMISC_PHYS;],
ac_cv_sys_dlpi_usable=yes,
ac_cv_sys_dlpi_usable=no))
AC_MSG_RESULT($ac_cv_sys_dlpi_usable)
if test $ac_cv_sys_dlpi_usable = no ; then
AC_MSG_ERROR(<sys/dlpi.h> is not usable on this system; it probably has a non-standard DLPI)
fi
#
# Check whether we have a /dev/dlpi device or have multiple devices.
#
AC_MSG_CHECKING(for /dev/dlpi device)
if test -c /dev/dlpi ; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DEV_DLPI, 1, [define if you have a /dev/dlpi])
else
AC_MSG_RESULT(no)
dir="/dev/dlpi"
AC_MSG_CHECKING(for $dir directory)
if test -d $dir ; then
AC_MSG_RESULT(yes)
AC_DEFINE_UNQUOTED(PCAP_DEV_PREFIX, "$dir", [/dev/dlpi directory])
else
AC_MSG_RESULT(no)
fi
fi
#
# This check is for Solaris with DLPI support for passive modes.
# See dlpi(7P) for more details.
#
AC_LBL_DL_PASSIVE_REQ_T
;;
linux)
AC_MSG_CHECKING(Linux kernel version)
if test "$cross_compiling" = yes; then
AC_CACHE_VAL(ac_cv_linux_vers,
ac_cv_linux_vers=unknown)
else
AC_CACHE_VAL(ac_cv_linux_vers,
ac_cv_linux_vers=`uname -r 2>&1 | \
sed -n -e '$s/.* //' -e '$s/\..*//p'`)
fi
AC_MSG_RESULT($ac_cv_linux_vers)
if test $ac_cv_linux_vers = unknown ; then
AC_MSG_ERROR(cannot determine linux version when cross-compiling)
fi
if test $ac_cv_linux_vers -lt 2 ; then
AC_MSG_ERROR(version 2 or higher required; see the INSTALL doc for more info)
fi
#
# Do we have the wireless extensions?
#
AC_CHECK_HEADERS(linux/wireless.h, [], [],
[
#include <sys/socket.h>
#include <linux/if.h>
#include <linux/types.h>
])
#
# Do we have libnl?
#
AC_ARG_WITH(libnl,
AC_HELP_STRING([--without-libnl],[disable libnl support @<:@default=yes, on Linux, if present@:>@]),
with_libnl=$withval,,)
if test x$with_libnl != xno ; then
#
# Try libnl 2.x first.
#
AC_CHECK_LIB(nl, nl_socket_alloc,
[
#
# Yes, we have libnl 2.x.
#
LIBS="-lnl-genl -lnl $LIBS"
AC_DEFINE(HAVE_LIBNL,1,[if libnl exists])
AC_DEFINE(HAVE_LIBNL_2_x,1,[if libnl exists and is version 2.x])
],
[
#
# No, we don't; do we have libnl 1.x?
#
AC_CHECK_LIB(nl, nl_handle_alloc,
[
#
# Yes.
#
LIBS="-lnl $LIBS"
AC_DEFINE(HAVE_LIBNL,1,[if libnl exists])
],
[
#
# No, we don't have libnl at all.
#
if test x$with_libnl = xyes ; then
AC_MSG_ERROR([libnl support requested but libnl not found])
fi
])
])
fi
AC_LBL_TPACKET_STATS
AC_LBL_LINUX_TPACKET_AUXDATA_TP_VLAN_TCI
;;
bpf)
#
# Check whether we have the *BSD-style ioctls.
#
AC_CHECK_HEADERS(net/if_media.h)
AC_MSG_CHECKING(whether the system supports zerocopy BPF)
AC_TRY_COMPILE(
[#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <net/bpf.h>],
[return (BIOCROTZBUF + BPF_BUFMODE_ZBUF);],
[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_ZEROCOPY_BPF, 1,
[define if the system supports zerocopy BPF])
],
AC_MSG_RESULT(no))
#
# Check whether we have struct BPF_TIMEVAL.
#
AC_CHECK_TYPES(struct BPF_TIMEVAL,,,
[
#include <sys/types.h>
#include <sys/ioctl.h>
#ifdef HAVE_SYS_IOCCOM_H
#include <sys/ioccom.h>
#endif
#include <net/bpf.h>
])
;;
dag)
V_DEFS="$V_DEFS -DDAG_ONLY"
;;
septel)
V_DEFS="$V_DEFS -DSEPTEL_ONLY"
;;
snf)
V_DEFS="$V_DEFS -DSNF_ONLY"
;;
null)
AC_MSG_WARN(cannot determine packet capture interface)
AC_MSG_WARN((see the INSTALL doc for more info))
;;
esac
dnl
dnl Now figure out how we get a list of interfaces and addresses,
dnl if we support capturing. Don't bother if we don't support
dnl capturing.
dnl
if test "$V_PCAP" = null
then
#
# We can't capture, so we can't open any capture
# devices, so we won't return any interfaces.
#
V_FINDALLDEVS=null
else
AC_CHECK_FUNC(getifaddrs,[
#
# We have "getifaddrs()"; make sure we have <ifaddrs.h>
# as well, just in case some platform is really weird.
#
AC_CHECK_HEADER(ifaddrs.h,[
#
# We have the header, so we use "getifaddrs()" to
# get the list of interfaces.
#
V_FINDALLDEVS=getad
],[
#
# We don't have the header - give up.
# XXX - we could also fall back on some other
# mechanism, but, for now, this'll catch this
# problem so that we can at least try to figure
# out something to do on systems with "getifaddrs()"
# but without "ifaddrs.h", if there is something
# we can do on those systems.
#
AC_MSG_ERROR([Your system has getifaddrs() but doesn't have a usable <ifaddrs.h>.])
])
],[
#
# Well, we don't have "getifaddrs()", so we have to use
# some other mechanism; determine what that mechanism is.
#
# The first thing we use is the type of capture mechanism,
# which is somewhat of a proxy for the OS we're using.
#
case "$V_PCAP" in
dlpi|libdlpi)
AC_CHECK_HEADERS(sys/bufmod.h sys/dlpi_ext.h)
#
# This might be Solaris 8 or later, with
# SIOCGLIFCONF, or it might be some other OS
# or some older version of Solaris, with
# just SIOCGIFCONF.
#
AC_MSG_CHECKING(whether we have SIOCGLIFCONF)
AC_CACHE_VAL(ac_cv_lbl_have_siocglifconf,
AC_TRY_COMPILE(
[#include <sys/param.h>
#include <sys/file.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/sockio.h>],
[ioctl(0, SIOCGLIFCONF, (char *)0);],
ac_cv_lbl_have_siocglifconf=yes,
ac_cv_lbl_have_siocglifconf=no))
AC_MSG_RESULT($ac_cv_lbl_have_siocglifconf)
if test $ac_cv_lbl_have_siocglifconf = yes ; then
V_FINDALLDEVS=glifc
else
V_FINDALLDEVS=gifc
fi
#
# Needed for common functions used by pcap-[dlpi,libdlpi].c
#
SSRC="dlpisubs.c"
;;
*)
#
# Assume we just have SIOCGIFCONF.
# (XXX - on at least later Linux kernels, there's
# another mechanism, and we should be using that
# instead.)
#
V_FINDALLDEVS=gifc
;;
esac])
fi
])
AC_MSG_CHECKING(for socklen_t)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
],
[ socklen_t x; ],
have_socklen_t=yes,
have_socklen_t=no)
if test "x$have_socklen_t" = "xyes"; then
AC_DEFINE(HAVE_SOCKLEN_T, 1, [define if socklen_t is defined])
fi
AC_MSG_RESULT($have_socklen_t)
AC_ARG_ENABLE(ipv6,
AC_HELP_STRING([--enable-ipv6],[build IPv6-capable version @<:@default=yes, if getaddrinfo available@:>@]),
[],
[enable_ipv6=ifavailable])
if test "$enable_ipv6" != "no"; then
AC_CHECK_FUNC(getaddrinfo,
[
AC_DEFINE(INET6,1,[IPv6])
],
[
if test "$enable_ipv6" != "ifavailable"; then
AC_MSG_FAILURE([--enable-ipv6 was given, but getaddrinfo isn't available])
fi
])
fi
AC_MSG_CHECKING(whether to build optimizer debugging code)
AC_ARG_ENABLE(optimizer-dbg,
AC_HELP_STRING([--enable-optimizer-dbg],[build optimizer debugging code]))
if test "$enable_optimizer_dbg" = "yes"; then
AC_DEFINE(BDEBUG,1,[Enable optimizer debugging])
fi
AC_MSG_RESULT(${enable_optimizer_dbg-no})
AC_MSG_CHECKING(whether to build parser debugging code)
AC_ARG_ENABLE(yydebug,
AC_HELP_STRING([--enable-yydebug],[build parser debugging code]))
if test "$enable_yydebug" = "yes"; then
AC_DEFINE(YYDEBUG,1,[Enable parser debugging])
fi
AC_MSG_RESULT(${enable_yydebug-no})
# Check for Endace DAG card support.
AC_ARG_WITH([dag],
AC_HELP_STRING([--with-dag@<:@=DIR@:>@],[include Endace DAG support @<:@"yes", "no" or DIR; default="yes" on BSD and Linux if present@:>@]),
[
if test "$withval" = no
then
# User doesn't want DAG support.
want_dag=no
elif test "$withval" = yes
then
# User wants DAG support but hasn't specified a directory.
want_dag=yes
else
# User wants DAG support and has specified a directory, so use the provided value.
want_dag=yes
dag_root=$withval
fi
],[
#
# Use DAG API if present, otherwise don't
#
want_dag=ifpresent
])
AC_ARG_WITH([dag-includes],
AC_HELP_STRING([--with-dag-includes=DIR],[Endace DAG include directory]),
[
# User wants DAG support and has specified a header directory, so use the provided value.
want_dag=yes
dag_include_dir=$withval
],[])
AC_ARG_WITH([dag-libraries],
AC_HELP_STRING([--with-dag-libraries=DIR],[Endace DAG library directory]),
[
# User wants DAG support and has specified a library directory, so use the provided value.
want_dag=yes
dag_lib_dir=$withval
],[])
case "$V_PCAP" in
linux|bpf|dag)
#
# We support the DAG API if we're on Linux or BSD, or if we're
# building a DAG-only libpcap.
#
;;
*)
#
# If the user explicitly requested DAG, tell them it's not
# supported.
#
# If they expressed no preference, don't include it.
#
if test $want_dag = yes; then
AC_MSG_ERROR([DAG support is only available with 'linux' 'bpf' and 'dag' packet capture types])
elif test $want_dag = yes; then
want_dag=no
fi
;;
esac
ac_cv_lbl_dag_api=no
if test "$want_dag" != no; then
AC_MSG_CHECKING([whether we have DAG API headers])
# If necessary, set default paths for DAG API headers and libraries.
if test -z "$dag_root"; then
dag_root=/usr/local
fi
if test -z "$dag_include_dir"; then
dag_include_dir="$dag_root/include"
fi
if test -z "$dag_lib_dir"; then
dag_lib_dir="$dag_root/lib"
fi
if test -z "$dag_tools_dir"; then
dag_tools_dir="$dag_root/tools"
fi
if test -r $dag_include_dir/dagapi.h; then
ac_cv_lbl_dag_api=yes
fi
AC_MSG_RESULT([$ac_cv_lbl_dag_api ($dag_include_dir)])
fi
if test $ac_cv_lbl_dag_api = yes; then
AC_MSG_CHECKING([dagapi.o])
dagapi_obj=no
if test -r $dag_tools_dir/dagapi.o; then
# 2.4.x.
dagapi_obj=$dag_tools_dir/dagapi.o
elif test -r $dag_lib_dir/dagapi.o; then
# 2.5.x.
dagapi_obj=$dag_lib_dir/dagapi.o
elif test -r $dag_lib_dir/libdag.a; then
# 2.5.x.
ar x $dag_lib_dir/libdag.a dagapi.o 2>/dev/null
if test -r ./dagapi.o; then
dagapi_obj=./dagapi.o
else
ar x $dag_lib_dir/libdag.a libdag_la-dagapi.o 2>/dev/null
if test -r ./libdag_la-dagapi.o; then
dagapi_obj=./libdag_la-dagapi.o
fi
fi
fi
if test $dagapi_obj = no; then
AC_MSG_RESULT([no (checked $dag_lib_dir $dag_tools_dir $dag_lib_dir/libdag.a)])
ac_cv_lbl_dag_api=no
else
AC_MSG_RESULT([yes ($dagapi_obj)])
fi
fi
if test $ac_cv_lbl_dag_api = yes; then
AC_MSG_CHECKING([dagopts.o])
dagopts_obj=no
if test -r $dag_tools_dir/dagopts.o; then
# 2.4.x.
dagopts_obj=$dag_tools_dir/dagopts.o
elif test -r $dag_lib_dir/dagopts.o; then
# 2.5.x.
dagopts_obj=$dag_lib_dir/dagopts.o
elif test -r $dag_lib_dir/libdag.a; then
# 2.5.x.
ar x $dag_lib_dir/libdag.a dagopts.o 2>/dev/null
if test -r ./dagopts.o; then
dagopts_obj=./dagopts.o
else
ar x $dag_lib_dir/libdag.a libdag_la-dagopts.o 2>/dev/null
if test -r ./libdag_la-dagopts.o; then
dagopts_obj=./libdag_la-dagopts.o
fi
fi
fi
if test $dagopts_obj = no; then
AC_MSG_RESULT([no (checked $dag_lib_dir $dag_tools_dir $dag_lib_dir/libdag.a)])
ac_cv_lbl_dag_api=no
else
AC_MSG_RESULT([yes ($dagopts_obj)])
fi
fi
if test $ac_cv_lbl_dag_api = yes; then
# Under 2.5.x only we need to add dagreg.o.
if test -r $dag_include_dir/dagreg.h; then
AC_MSG_CHECKING([dagreg.o])
dagreg_obj=no
if test -r $dag_lib_dir/dagreg.o; then
# Object file is ready and waiting.
dagreg_obj=$dag_lib_dir/dagreg.o
elif test -r $dag_lib_dir/libdag.a; then
# Extract from libdag.a.
ar x $dag_lib_dir/libdag.a dagreg.o 2>/dev/null
if test -r ./dagreg.o; then
dagreg_obj=./dagreg.o
else
ar x $dag_lib_dir/libdag.a libdag_la-dagreg.o 2>/dev/null
if test -r ./libdag_la-dagreg.o; then
dagreg_obj=./libdag_la-dagreg.o
fi
fi
fi
if test $dagreg_obj = no; then
AC_MSG_RESULT([no (checked $dag_lib_dir $dag_lib_dir/libdag.a)])
ac_cv_lbl_dag_api=no
else
AC_MSG_RESULT([yes ($dagreg_obj)])
fi
fi
fi
if test $ac_cv_lbl_dag_api = yes; then
# Under 2.5.x only we need to add dagutil.o.
if test -r $dag_include_dir/dagutil.h; then
AC_MSG_CHECKING([dagutil.o])
dagutil_obj=no
if test -r $dag_lib_dir/dagutil.o; then
# Object file is ready and waiting.
dagutil_obj=$dag_lib_dir/dagutil.o
elif test -r $dag_lib_dir/libdag.a; then
# Extract from libdag.a.
ar x $dag_lib_dir/libdag.a dagutil.o 2>/dev/null
if test -r ./dagutil.o; then
dagutil_obj=./dagutil.o
else
ar x $dag_lib_dir/libdag.a libdag_la-dagutil.o 2>/dev/null
if test -r ./libdag_la-dagutil.o; then
dagutil_obj=./libdag_la-dagutil.o
fi
fi
fi
if test $dagutil_obj = no; then
AC_MSG_RESULT([no (checked $dag_lib_dir $dag_lib_dir/libdag.a)])
ac_cv_lbl_dag_api=no
else
AC_MSG_RESULT([yes ($dagutil_obj)])
fi
fi
fi
if test $ac_cv_lbl_dag_api = yes; then
V_INCLS="$V_INCLS -I$dag_include_dir"
ADDLARCHIVEOBJS="$ADDLARCHIVEOBJS $dagapi_obj $dagopts_obj $dagreg_obj $dagutil_obj"
if test $V_PCAP != dag ; then
SSRC="pcap-dag.c"
fi
# See if we can find a general version string.
# Don't need to save and restore LIBS to prevent -ldag being
# included if there's a found-action (arg 3).
saved_ldflags=$LDFLAGS
LDFLAGS="-L$dag_lib_dir"
AC_CHECK_LIB([dag], [dag_attach_stream], [dag_streams="1"], [dag_streams="0"])
AC_CHECK_LIB([dag],[dag_get_erf_types], [
AC_DEFINE(HAVE_DAG_GET_ERF_TYPES, 1, [define if you have dag_get_erf_types()])])
AC_CHECK_LIB([dag],[dag_get_stream_erf_types], [
AC_DEFINE(HAVE_DAG_GET_STREAM_ERF_TYPES, 1, [define if you have dag_get_stream_erf_types()])])
LDFLAGS=$saved_ldflags
if test "$dag_streams" = 1; then
AC_DEFINE(HAVE_DAG_STREAMS_API, 1, [define if you have streams capable DAG API])
LIBS="$LIBS -ldag"
fi
AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
fi
AC_MSG_CHECKING(whether we have the DAG API)
if test $ac_cv_lbl_dag_api = no; then
AC_MSG_RESULT(no)
if test "$want_dag" = yes; then
# User wanted DAG support but we couldn't find it.
AC_MSG_ERROR([DAG API requested, but not found at $dag_root: use --without-dag])
fi
if test "$V_PCAP" = dag; then
# User requested "dag" capture type but the DAG API wasn't
# found.
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.)])
fi
else
AC_MSG_RESULT(yes)
fi
AC_ARG_WITH(septel,
AC_HELP_STRING([--with-septel@<:@=DIR@:>@],[include Septel support (located in directory DIR, if supplied). @<:@default=yes, on Linux, if present@:>@]),
[
if test "$withval" = no
then
want_septel=no
elif test "$withval" = yes
then
want_septel=yes
septel_root=
else
want_septel=yes
septel_root=$withval
fi
],[
#
# Use Septel API if present, otherwise don't
#
want_septel=ifpresent
septel_root=./../septel
])
ac_cv_lbl_septel_api=no
case "$V_PCAP" in
linux|septel)
#
# We support the Septel API if we're on Linux, or if we're building
# a Septel-only libpcap.
#
;;
*)
#
# If the user explicitly requested Septel, tell them it's not
# supported.
#
# If they expressed no preference, don't include it.
#
if test $want_septel = yes; then
AC_MSG_ERROR(Septel support only available with 'linux' and 'septel' packet capture types)
elif test $want_septel = yes; then
want_septel=no
fi
;;
esac
if test "$with_septel" != no; then
AC_MSG_CHECKING(whether we have Septel API)
if test -z "$septel_root"; then
septel_root=$srcdir/../septel
fi
septel_tools_dir="$septel_root"
septel_include_dir="$septel_root/INC"
ac_cv_lbl_septel_api=no
if test -r "$septel_include_dir/msg.h"; then
V_INCLS="$V_INCLS -I$septel_include_dir"
ADDLOBJS="$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 $septel_tools_dir/trace.o"
ADDLARCHIVEOBJS="$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 $septel_tools_dir/trace.o"
if test "$V_PCAP" != septel ; then
SSRC="pcap-septel.c"
fi
ac_cv_lbl_septel_api=yes
fi
AC_MSG_RESULT($ac_cv_lbl_septel_api)
if test $ac_cv_lbl_septel_api = no; then
if test "$want_septel" = yes; then
AC_MSG_ERROR(Septel API not found under directory $septel_root; use --without-septel)