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dnl @(#) $Header: /tcpdump/master/libpcap/configure.in,v 1.94 2001/12/10 08:33:42 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
AC_REVISION($Revision: 1.94 $)
AC_INIT(pcap.c)
AC_CANONICAL_SYSTEM
AC_LBL_C_INIT(V_CCOPT, V_INCLS)
AC_C_INLINE
AC_C___ATTRIBUTE__
AC_LBL_CHECK_TYPE(u_int8_t, u_char)
AC_LBL_CHECK_TYPE(u_int16_t, u_short)
AC_LBL_CHECK_TYPE(u_int32_t, u_int)
dnl
dnl libpcap doesn't itself use <sys/ioccom.h>; however, the test program
dnl in "AC_LBL_FIXINCLUDES" in "aclocal.m4" uses it, so we have to
dnl test for it and set "HAVE_SYS_IOCCOM_H" if we have it, otherwise
dnl "AC_LBL_FIXINCLUDES" won't work on some platforms such as Solaris.
dnl
AC_CHECK_HEADERS(sys/ioccom.h sys/sockio.h ifaddrs.h limits.h netinet/if_ether.h)
AC_LBL_FIXINCLUDES
AC_CHECK_FUNCS(ether_hostton strerror strlcpy)
dnl to pacify those who hate protochain insn
AC_MSG_CHECKING(if --disable-protochain option is specified)
AC_ARG_ENABLE(protochain, [ --disable-protochain disable \"protochain\" insn])
case "x$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})
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, [ --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/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/net/raw.h ; then
V_PCAP=snoop
elif test -r /usr/include/sys/dlpi.h ; then
V_PCAP=dlpi
elif test -r /usr/include/linux/socket.h ; then
V_PCAP=linux
elif test -c /dev/bpf0 ; then # check again in case not readable
V_PCAP=bpf
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($V_PCAP)
AC_MSG_CHECKING(if --enable-ipv6 option is specified)
AC_ARG_ENABLE(ipv6, [ --enable-ipv6 build IPv6-capable version])
if test "$enable_ipv6" = "yes"; then
AC_DEFINE(INET6,1,[IPv6])
fi
AC_MSG_RESULT(${enable_ipv6-no})
AC_MSG_CHECKING(whether to build optimizer debugging code)
AC_ARG_ENABLE(optimizer-dbg, [ --enable-optimizer-dbg build optimizer debugging code])
if test "$enable_optimizer_dbg" = "yes"; then
AC_DEFINE(BDEBUG,1,[Enable optimizer debugging])
fi
AC_MSG_RESULT(${enable_optimizer_dbg-no})
AC_MSG_CHECKING(whether to build parser debugging code)
AC_ARG_ENABLE(yydebug, [ --enable-yydebug build parser debugging code])
if test "$enable_yydebug" = "yes"; then
AC_DEFINE(YYDEBUG,1,[Enable parser debugging])
fi
AC_MSG_RESULT(${enable_yydebug-no})
case "$V_PCAP" in
dlpi)
AC_CHECK_HEADERS(sys/bufmod.h sys/dlpi_ext.h)
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
;;
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
AC_LBL_TPACKET_STATS
;;
null)
AC_MSG_WARN(cannot determine packet capture interface)
AC_MSG_WARN((see the INSTALL doc for more info))
;;
esac
AC_MSG_CHECKING(whether we have /proc/net/dev)
if test -r /proc/net/dev ; then
ac_cv_lbl_proc_net_dev=yes
else
ac_cv_lbl_proc_net_dev=no
fi
if test $ac_cv_lbl_proc_net_dev = yes; then
AC_DEFINE(HAVE_PROC_NET_DEV, 1, [define if you have a /proc/net/dev])
fi
AC_MSG_RESULT($ac_cv_lbl_proc_net_dev)
AC_LBL_LEX_AND_YACC(V_LEX, V_YACC, pcap_)
if test "$V_LEX" = lex ; then
# Some versions of lex can't handle the definitions section of scanner.l .
# Try lexing it and complain if it can't deal.
AC_CACHE_CHECK([for capable lex], tcpdump_cv_capable_lex,
if lex -t scanner.l > /dev/null 2>&1; then
tcpdump_cv_capable_lex=yes
else
tcpdump_cv_capable_lex=insufficient
fi)
if test $tcpdump_cv_capable_lex = insufficient ; then
AC_MSG_ERROR([Your operating system's lex is insufficient to compile
libpcap. flex is a lex replacement that has many advantages, including
being able to compile libpcap. For more information, see
http://www.gnu.org/software/flex/flex.html .])
fi
fi
case "$host_os" in
aix*)
dnl Workaround to enable certain features
AC_DEFINE(_SUN,1,[define on AIX to get certain functions])
;;
hpux9*)
AC_DEFINE(HAVE_HPUX9,1,[on HP-UX 9.x])
;;
hpux10.0*)
;;
hpux10.1*)
;;
hpux*)
dnl HPUX 10.20 and above is similar to HPUX 9...
AC_DEFINE(HAVE_HPUX10_20,1,[on HP-UX 10.20])
;;
sinix*)
AC_MSG_CHECKING(if SINIX compiler defines sinix)
AC_CACHE_VAL(ac_cv_cc_sinix_defined,
AC_TRY_COMPILE(
[],
[int i = sinix;],
ac_cv_cc_sinix_defined=yes,
ac_cv_cc_sinix_defined=no))
AC_MSG_RESULT($ac_cv_cc_sinix_defined)
if test $ac_cv_cc_sinix_defined = no ; then
AC_DEFINE(sinix,1,[on sinix])
fi
;;
solaris*)
AC_DEFINE(HAVE_SOLARIS,1,[On solaris])
;;
esac
AC_PROG_RANLIB
AC_LBL_DEVEL(V_CCOPT)
AC_LBL_SOCKADDR_SA_LEN
AC_LBL_HP_PPA_INFO_T_DL_MODULE_ID_1
AC_LBL_UNALIGNED_ACCESS
rm -f net
ln -s ${srcdir}/bpf/net net
AC_SUBST(V_CCOPT)
AC_SUBST(V_INCLS)
AC_SUBST(V_LEX)
AC_SUBST(V_PCAP)
AC_SUBST(V_RANLIB)
AC_SUBST(V_YACC)
AC_PROG_INSTALL
AC_CONFIG_HEADER(config.h)
AC_OUTPUT(Makefile)
if test -f .devel ; then
make depend
fi
exit 0
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