440 lines
11 KiB
Plaintext
Executable File
440 lines
11 KiB
Plaintext
Executable File
dnl @(#) $Header: /tcpdump/master/libpcap/configure.in,v 1.100.2.4 2004/03/28 21:43:34 fenner Exp $ (LBL)
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dnl
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dnl Copyright (c) 1994, 1995, 1996, 1997
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dnl The Regents of the University of California. All rights reserved.
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dnl
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dnl Process this file with autoconf to produce a configure script.
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dnl
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AC_REVISION($Revision: 1.100.2.4 $)
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AC_PREREQ(2.50)
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AC_INIT(pcap.c)
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AC_CANONICAL_SYSTEM
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AC_LBL_C_INIT(V_CCOPT, V_INCLS, V_LIBS)
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AC_LBL_C_INLINE
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AC_C___ATTRIBUTE__
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AC_LBL_CHECK_TYPE(u_int8_t, u_char)
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AC_LBL_CHECK_TYPE(u_int16_t, u_short)
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AC_LBL_CHECK_TYPE(u_int32_t, u_int)
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dnl
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dnl libpcap doesn't itself use <sys/ioccom.h>; however, the test program
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dnl in "AC_LBL_FIXINCLUDES" in "aclocal.m4" uses it, so we have to
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dnl test for it and set "HAVE_SYS_IOCCOM_H" if we have it, otherwise
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dnl "AC_LBL_FIXINCLUDES" won't work on some platforms such as Solaris.
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dnl
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AC_CHECK_HEADERS(sys/ioccom.h sys/sockio.h ifaddrs.h limits.h)
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AC_CHECK_HEADERS(netinet/if_ether.h, , , [#include <sys/types.h>
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#include <sys/socket.h>])
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AC_LBL_FIXINCLUDES
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AC_CHECK_FUNCS(ether_hostton strerror strlcpy)
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needsnprintf=no
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AC_CHECK_FUNCS(vsnprintf snprintf,,
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[needsnprintf=yes])
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if test $needsnprintf = yes; then
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AC_LIBOBJ(snprintf)
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fi
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dnl to pacify those who hate protochain insn
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AC_MSG_CHECKING(if --disable-protochain option is specified)
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AC_ARG_ENABLE(protochain, [ --disable-protochain disable \"protochain\" insn])
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case "x$enable_protochain" in
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xyes) enable_protochain=enabled ;;
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xno) enable_protochain=disabled ;;
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x) enable_protochain=enabled ;;
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esac
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if test "$enable_protochain" = "disabled"; then
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AC_DEFINE(NO_PROTOCHAIN,1,[do not use protochain])
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fi
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AC_MSG_RESULT(${enable_protochain})
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dnl
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dnl Not all versions of test support -c (character special) but it's a
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dnl better way of testing since the device might be protected. So we
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dnl check in our normal order using -r and then check the for the /dev
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dnl guys again using -c.
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dnl
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dnl XXX This could be done for cross-compiling, but for now it's not.
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dnl
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if test -z "$with_pcap" && test "$cross_compiling" = yes; then
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AC_MSG_ERROR(pcap type not determined when cross-compiling; use --with-pcap=...)
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fi
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AC_ARG_WITH(pcap, [ --with-pcap=TYPE use packet capture TYPE])
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AC_MSG_CHECKING(packet capture type)
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if test ! -z "$with_pcap" ; then
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V_PCAP="$withval"
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elif test -r /dev/bpf0 ; then
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V_PCAP=bpf
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elif test -r /usr/include/net/pfilt.h ; then
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V_PCAP=pf
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elif test -r /dev/enet ; then
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V_PCAP=enet
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elif test -r /dev/nit ; then
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V_PCAP=snit
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elif test -r /usr/include/sys/net/nit.h ; then
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V_PCAP=nit
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elif test -r /usr/include/linux/socket.h ; then
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V_PCAP=linux
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elif test -r /usr/include/net/raw.h ; then
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V_PCAP=snoop
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elif test -r /usr/include/odmi.h ; then
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#
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# On AIX, the BPF devices might not yet be present - they're
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# created the first time libpcap runs after booting.
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# We check for odmi.h instead.
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#
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V_PCAP=bpf
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elif test -r /usr/include/sys/dlpi.h ; then
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V_PCAP=dlpi
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elif test -c /dev/bpf0 ; then # check again in case not readable
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V_PCAP=bpf
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elif test -c /dev/enet ; then # check again in case not readable
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V_PCAP=enet
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elif test -c /dev/nit ; then # check again in case not readable
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V_PCAP=snit
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else
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V_PCAP=null
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fi
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AC_MSG_RESULT($V_PCAP)
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dnl
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dnl Now figure out how we get a list of interfaces and addresses.
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dnl
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AC_CHECK_FUNC(getifaddrs,[
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#
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# We have "getifaddrs()", so we use that to get the list
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#
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V_FINDALLDEVS=getad
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],[
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#
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# Well, we don't have "getifaddrs()", so we have to use some
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# other mechanism; determine what that mechanism is.
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#
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# The first thing we use is the type of capture mechanism,
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# which is somewhat of a proxy for the OS we're using.
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#
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case "$V_PCAP" in
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dlpi)
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#
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# This might be Solaris 8 or later, with SIOCGLIFCONF,
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# or it might be some other OS, with just SIOCGIFCONF.
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#
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AC_MSG_CHECKING(whether we have SIOCGLIFCONF)
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AC_CACHE_VAL(ac_cv_lbl_have_siocglifconf,
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AC_TRY_COMPILE(
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[#include <sys/param.h>
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#include <sys/file.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>],
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[ioctl(0, SIOCGLIFCONF, (char *)0);],
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ac_cv_lbl_have_siocglifconf=yes,
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ac_cv_lbl_have_siocglifconf=no))
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AC_MSG_RESULT($ac_cv_lbl_have_siocglifconf)
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if test $ac_cv_lbl_have_siocglifconf = yes ; then
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V_FINDALLDEVS=glifc
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else
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V_FINDALLDEVS=gifc
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fi
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;;
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null)
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#
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# We can't capture, so we can't open any capture
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# devices, so we won't return any interfaces.
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#
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V_FINDALLDEVS=null
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;;
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*)
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#
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# Assume we just have SIOCGIFCONF.
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# (XXX - on at least later Linux kernels, there's
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# another mechanism, and we should be using that
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# instead.)
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#
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V_FINDALLDEVS=gifc
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;;
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esac])
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AC_MSG_CHECKING(if --enable-ipv6 option is specified)
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AC_ARG_ENABLE(ipv6, [ --enable-ipv6 build IPv6-capable version])
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if test "$enable_ipv6" = "yes"; then
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AC_DEFINE(INET6,1,[IPv6])
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fi
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AC_MSG_RESULT(${enable_ipv6-no})
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AC_MSG_CHECKING(whether to build optimizer debugging code)
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AC_ARG_ENABLE(optimizer-dbg, [ --enable-optimizer-dbg build optimizer debugging code])
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if test "$enable_optimizer_dbg" = "yes"; then
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AC_DEFINE(BDEBUG,1,[Enable optimizer debugging])
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fi
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AC_MSG_RESULT(${enable_optimizer_dbg-no})
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AC_MSG_CHECKING(whether to build parser debugging code)
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AC_ARG_ENABLE(yydebug, [ --enable-yydebug build parser debugging code])
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if test "$enable_yydebug" = "yes"; then
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AC_DEFINE(YYDEBUG,1,[Enable parser debugging])
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fi
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AC_MSG_RESULT(${enable_yydebug-no})
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case "$V_PCAP" in
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dlpi)
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AC_CHECK_HEADERS(sys/bufmod.h sys/dlpi_ext.h)
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AC_MSG_CHECKING(for /dev/dlpi device)
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if test -c /dev/dlpi ; then
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_DEV_DLPI, 1, [define if you have a /dev/dlpi])
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else
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AC_MSG_RESULT(no)
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dir="/dev/dlpi"
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AC_MSG_CHECKING(for $dir directory)
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if test -d $dir ; then
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AC_MSG_RESULT(yes)
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AC_DEFINE_UNQUOTED(PCAP_DEV_PREFIX, "$dir", [/dev/dlpi directory])
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else
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AC_MSG_RESULT(no)
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fi
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fi
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;;
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linux)
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AC_MSG_CHECKING(Linux kernel version)
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if test "$cross_compiling" = yes; then
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AC_CACHE_VAL(ac_cv_linux_vers,
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ac_cv_linux_vers=unknown)
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else
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AC_CACHE_VAL(ac_cv_linux_vers,
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ac_cv_linux_vers=`uname -r 2>&1 | \
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sed -n -e '$s/.* //' -e '$s/\..*//p'`)
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fi
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AC_MSG_RESULT($ac_cv_linux_vers)
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if test $ac_cv_linux_vers = unknown ; then
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AC_MSG_ERROR(cannot determine linux version when cross-compiling)
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fi
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if test $ac_cv_linux_vers -lt 2 ; then
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AC_MSG_ERROR(version 2 or higher required; see the INSTALL doc for more info)
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fi
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AC_LBL_TPACKET_STATS
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;;
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dag)
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V_DEFS="$V_DEFS -DDAG_ONLY"
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;;
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null)
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AC_MSG_WARN(cannot determine packet capture interface)
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AC_MSG_WARN((see the INSTALL doc for more info))
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;;
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esac
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AC_MSG_CHECKING(whether we have /proc/net/dev)
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if test -r /proc/net/dev ; then
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ac_cv_lbl_proc_net_dev=yes
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else
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ac_cv_lbl_proc_net_dev=no
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fi
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if test $ac_cv_lbl_proc_net_dev = yes; then
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AC_DEFINE(HAVE_PROC_NET_DEV, 1, [define if you have a /proc/net/dev])
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fi
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AC_MSG_RESULT($ac_cv_lbl_proc_net_dev)
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AC_ARG_WITH(dag, [ --with-dag[=DIR] include DAG support (located in directory DIR, if supplied). [default=yes, on BSD and Linux, if present]],
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[
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if test "$withval" = no
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then
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want_dag=no
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elif test "$withval" = yes
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then
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want_dag=yes
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dag_root=
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else
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want_dag=yes
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dag_root=$withval
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fi
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],[
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#
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# Use DAG API if present, otherwise don't
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#
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want_dag=ifpresent
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dag_root=/root/dag
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])
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ac_cv_lbl_dag_api=no
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case "$V_PCAP" in
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linux|bpf|dag)
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#
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# We support the DAG API on Linux or BSD, or if we're building a
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# DAG-only libpcap.
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#
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;;
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*)
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#
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# If the user explicitly requested DAG, tell them it's not
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# supported.
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#
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# If they expressed no preference, don't include it.
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#
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if test $want_dag = yes; then
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AC_MSG_ERROR(DAG support only available with 'linux' 'bpf' and 'dag' packet capture types)
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elif test $want_dag = yes; then
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want_dag=no
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fi
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;;
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esac
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if test "$with_dag" != no; then
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AC_MSG_CHECKING(whether we have DAG API)
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if test -z "$dag_root"; then
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dag_root=$srcdir/../dag
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fi
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if test -r "$dag_root/tools" -a -r "$dag_root/include"; then
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dag_tools_dir="$dag_root/tools"
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dag_include_dir="$dag_root/include"
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else
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dag_tools_dir="$dag_root"
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dag_include_dir="$dag_root"
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fi
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ac_cv_lbl_dag_api=no
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if test -r "$dag_include_dir/dagapi.h" -a -r "$dag_tools_dir/dagapi.o" -a -r "$dag_tools_dir/dagopts.o"; then
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V_INCLS="$V_INCLS -I $dag_include_dir"
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V_LIBS="$V_LIBS $dag_tools_dir/dagapi.o $dag_tools_dir/dagopts.o"
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if test "$V_PCAP" != dag ; then
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SSRC="pcap-dag.c"
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fi
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ac_cv_lbl_dag_api=yes
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fi
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if test -r "$dag_root/lib/dagreg.c"; then # DAG 2.5.x
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if test -r "$dag_tools_dir/dagreg.o"; then
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V_LIBS="$V_LIBS $dag_tools_dir/dagreg.o"
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else
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ac_cv_lbl_dag_api=no
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fi
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fi
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dag_version=
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if test $ac_cv_lbl_dag_api = yes -a -r "$dag_root/VERSION"; then
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dag_version=" (`cat $dag_root/VERSION`)"
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fi
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AC_MSG_RESULT($ac_cv_lbl_dag_api$dag_version)
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if test $ac_cv_lbl_dag_api = no; then
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if test "$want_dag" = yes; then
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AC_MSG_ERROR(DAG API not found under directory $dag_root; use --without-dag)
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fi
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else
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AC_DEFINE(HAVE_DAG_API, 1, [define if you have a DAG API])
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fi
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fi
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if test "$V_PCAP" = dag -a "$ac_cv_lbl_dag_api" = no; then
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AC_MSG_ERROR(Specifying the capture type as 'dag' requires the DAG API to be present; use --with-dag=DIR)
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fi
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AC_LBL_LEX_AND_YACC(V_LEX, V_YACC, pcap_)
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if test "$V_LEX" = lex ; then
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# Some versions of lex can't handle the definitions section of scanner.l .
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# Try lexing it and complain if it can't deal.
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AC_CACHE_CHECK([for capable lex], tcpdump_cv_capable_lex,
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if lex -t scanner.l > /dev/null 2>&1; then
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tcpdump_cv_capable_lex=yes
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else
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tcpdump_cv_capable_lex=insufficient
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fi)
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if test $tcpdump_cv_capable_lex = insufficient ; then
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AC_MSG_ERROR([Your operating system's lex is insufficient to compile
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libpcap. flex is a lex replacement that has many advantages, including
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being able to compile libpcap. For more information, see
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http://www.gnu.org/software/flex/flex.html .])
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fi
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fi
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case "$host_os" in
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aix*)
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dnl Workaround to enable certain features
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AC_DEFINE(_SUN,1,[define on AIX to get certain functions])
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;;
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hpux9*)
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AC_DEFINE(HAVE_HPUX9,1,[on HP-UX 9.x])
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;;
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hpux10.0*)
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;;
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hpux10.1*)
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;;
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hpux*)
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dnl HPUX 10.20 and above is similar to HPUX 9...
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AC_DEFINE(HAVE_HPUX10_20,1,[on HP-UX 10.20])
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;;
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sinix*)
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AC_MSG_CHECKING(if SINIX compiler defines sinix)
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AC_CACHE_VAL(ac_cv_cc_sinix_defined,
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AC_TRY_COMPILE(
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[],
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[int i = sinix;],
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ac_cv_cc_sinix_defined=yes,
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ac_cv_cc_sinix_defined=no))
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AC_MSG_RESULT($ac_cv_cc_sinix_defined)
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if test $ac_cv_cc_sinix_defined = no ; then
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AC_DEFINE(sinix,1,[on sinix])
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fi
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;;
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solaris*)
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AC_DEFINE(HAVE_SOLARIS,1,[On solaris])
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;;
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esac
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AC_PROG_RANLIB
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AC_LBL_DEVEL(V_CCOPT)
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AC_LBL_SOCKADDR_SA_LEN
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AC_LBL_SOCKADDR_STORAGE
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AC_LBL_HP_PPA_INFO_T_DL_MODULE_ID_1
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AC_LBL_UNALIGNED_ACCESS
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rm -f net
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ln -s ${srcdir}/bpf/net net
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AC_SUBST(V_CCOPT)
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AC_SUBST(V_DEFS)
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AC_SUBST(V_INCLS)
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AC_SUBST(V_LIBS)
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AC_SUBST(V_LEX)
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AC_SUBST(V_PCAP)
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AC_SUBST(V_FINDALLDEVS)
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AC_SUBST(V_RANLIB)
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AC_SUBST(V_YACC)
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AC_SUBST(SSRC)
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AC_PROG_INSTALL
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AC_CONFIG_HEADER(config.h)
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AC_OUTPUT(Makefile)
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if test -f .devel ; then
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make depend
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fi
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exit 0
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