dnl @(#) $Header: /tcpdump/master/libpcap/configure.in,v 1.87.2.1 2001/01/17 18:21:54 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: 1.87.2.1 $) AC_INIT(pcap.c) AC_CANONICAL_SYSTEM AC_LBL_C_INIT(V_CCOPT, V_INCLS) AC_C_INLINE AC_C___ATTRIBUTE__ AC_LBL_CHECK_TYPE(u_int8_t, u_char) AC_LBL_CHECK_TYPE(u_int16_t, u_short) AC_LBL_CHECK_TYPE(u_int32_t, u_int) dnl dnl libpcap doesn't itself use ; however, the test program dnl in "AC_LBL_FIXINCLUDES" in "aclocal.m4" uses it, so we have to dnl test for it and set "HAVE_SYS_IOCCOM_H" if we have it, otherwise dnl "AC_LBL_FIXINCLUDES" won't work on some platforms such as Solaris. dnl AC_CHECK_HEADERS(sys/ioccom.h sys/sockio.h ifaddrs.h netinet/if_ether.h) AC_LBL_FIXINCLUDES AC_CHECK_FUNCS(ether_hostton strerror freeifaddrs strlcpy) dnl to pacify those who hate protochain insn AC_MSG_CHECKING(if --disable-protochain option is specified) AC_ARG_ENABLE(protochain, [ --disable-protochain disable \"protochain\" insn]) case "x$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(${enable_ipv6-no}) case "$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_CHECK_HEADERS(netpacket/packet.h) 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 $ac_cv_linux_vers -lt 2 ; then AC_MSG_ERROR(version 2 or higher required; see the INSTALL doc for more info) fi ;; null) AC_MSG_WARN(cannot determine packet capture interface) AC_MSG_WARN((see the INSTALL doc for more info)) ;; esac AC_LBL_LEX_AND_YACC(V_LEX, V_YACC, pcap_) if test "$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 $tcpdump_cv_capable_lex = insufficient ; then AC_MSG_ERROR([Your operating system's lex is insufficient to compile libpcap. flex is a lex replacement that has many advantages, including being able to compile libpcap. For more information, see http://www.gnu.org/software/flex/flex.html .]) fi fi case "$target_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