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Diffstat (limited to 'contrib/libpcap/configure.ac')
| -rw-r--r-- | contrib/libpcap/configure.ac | 1821 |
1 files changed, 1821 insertions, 0 deletions
diff --git a/contrib/libpcap/configure.ac b/contrib/libpcap/configure.ac new file mode 100644 index 000000000000..da2f940da963 --- /dev/null +++ b/contrib/libpcap/configure.ac @@ -0,0 +1,1821 @@ +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_PREREQ(2.61) +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__ +if test "$ac_cv___attribute__" = "yes"; then + AC_C___ATTRIBUTE___UNUSED + AC_C___ATTRIBUTE___FORMAT +fi + +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/select.h sys/sockio.h limits.h) +AC_CHECK_HEADERS(linux/types.h) +AC_CHECK_HEADERS(linux/if_packet.h netpacket/packet.h netpacket/if_packet.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 "$ac_cv_header_netinet_if_ether_h" != yes; then + # + # The simple test didn't work. + # Do we need to include <net/if.h> first? + # Unset ac_cv_header_netinet_if_ether_h so we don't + # treat the previous failure as a cached value and + # suppress the next test. + # + AC_MSG_NOTICE([Rechecking with some additional includes]) + unset ac_cv_header_netinet_if_ether_h + AC_CHECK_HEADERS(netinet/if_ether.h, , , [#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +struct mbuf; +struct rtentry; +#include <net/if.h>]) +fi + +case "$host_os" in +linux*|uclinux*) + AC_CHECK_HEADERS(linux/sockios.h linux/if_bonding.h,,, + [ +#include <sys/socket.h> +#include <linux/if.h> + ]) + ;; +esac + +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 + +needstrtok_r=no +AC_CHECK_FUNCS(strtok_r,, + [needstrtok_r=yes]) +if test $needstrtok_r = yes; then + AC_LIBOBJ([strtok_r]) +fi + +# +# Do this before checking for ether_hostton(), as it's a +# "gethostbyname() -ish function". +# +AC_LBL_LIBRARY_NET + +# +# You are in a twisty little maze of UN*Xes, all different. +# Some might not have ether_hostton(). +# Some might have it, but not declare it in any header file. +# Some might have it, but declare it in <netinet/if_ether.h>. +# Some might have it, but declare it in <netinet/ether.h> +# (And some might have it but document it as something declared in +# <netinet/ethernet.h>, although <netinet/if_ether.h> appears to work.) +# +# Before you is a C compiler. +# +AC_CHECK_FUNCS(ether_hostton) +if test "$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(${enable_protochain}) + +# +# valgrindtest directly uses the native capture mechanism, but +# only tests with BPF and PF_PACKET sockets; only enable it if +# we have BPF or PF_PACKET sockets. +# +VALGRINDTEST= + +# +# SITA support is mutually exclusive with native capture support; +# "--with-sita" selects SITA support. +# +AC_ARG_WITH(sita, +AC_HELP_STRING([--with-sita],[include SITA support]), +[ + if test ! "x$withval" = "xno" ; then + AC_DEFINE(SITA,1,[include ACN support]) + AC_MSG_NOTICE(Enabling SITA ACN support) + V_PCAP=sita + 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]) + + # + # We have BPF, so build valgrindtest with "make test". + # + VALGRINDTEST=valgrindtest +elif test -r /dev/bpf0 ; then + V_PCAP=bpf + + # + # We have BPF, so build valgrindtest with "make test". + # + VALGRINDTEST=valgrindtest +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 + + # + # XXX - this won't work with older kernels that have SOCK_PACKET + # sockets but not PF_PACKET sockets. + # + VALGRINDTEST=valgrindtest +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 + + # + # We have BPF, so build valgrindtest with "make test". + # + VALGRINDTEST=valgrindtest +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($V_PCAP) +AC_SUBST(VALGRINDTEST) + +# +# Do capture-mechanism-dependent tests. +# +case "$V_PCAP" in +dlpi) + # + # Needed for common functions used by pcap-[dlpi,libdlpi].c + # + SSRC="dlpisubs.c" + + # + # Checks for some header files. + # + AC_CHECK_HEADERS(sys/bufmod.h sys/dlpi_ext.h) + + # + # 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) + # + # 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 + have_any_nl="no" + + incdir=-I/usr/include/libnl3 + libnldir= + if test x$withval != x ; then + libnldir=-L${withval}/lib/.libs + incdir=-I${withval}/include + fi + + # + # Try libnl 3.x first. + # + AC_CHECK_LIB(nl-3, nl_socket_alloc, + [ + # + # Yes, we have libnl 3.x. + # + LIBS="${libnldir} -lnl-genl-3 -lnl-3 $LIBS" + AC_DEFINE(HAVE_LIBNL,1,[if libnl exists]) + AC_DEFINE(HAVE_LIBNL_3_x,1,[if libnl exists and is version 3.x]) + AC_DEFINE(HAVE_LIBNL_NLE,1,[libnl has NLE_FAILURE]) + AC_DEFINE(HAVE_LIBNL_SOCKETS,1,[libnl has new-style socket api]) + V_INCLS="$V_INCLS ${incdir}" + have_any_nl="yes" + ],[], ${incdir} ${libnldir} -lnl-genl-3 -lnl-3 ) + + if test x$have_any_nl = xno ; then + # + # Try libnl 2.x + # + AC_CHECK_LIB(nl, nl_socket_alloc, + [ + # + # Yes, we have libnl 2.x. + # + LIBS="${libnldir} -lnl-genl -lnl $LIBS" + AC_DEFINE(HAVE_LIBNL,1,[if libnl exists]) + AC_DEFINE(HAVE_LIBNL_2_x,1,[if libnl exists and is version 2.x]) + AC_DEFINE(HAVE_LIBNL_NLE,1,[libnl has NLE_FAILURE]) + AC_DEFINE(HAVE_LIBNL_SOCKETS,1,[libnl has new-style socket api]) + have_any_nl="yes" + ]) + fi + + if test x$have_any_nl = xno ; then + # + # No, we don't; do we have libnl 1.x? + # + AC_CHECK_LIB(nl, nl_handle_alloc, + [ + # + # Yes. + # + LIBS="${libnldir} -lnl $LIBS" + AC_DEFINE(HAVE_LIBNL,1,[if libnl exists]) + have_any_nl="yes" + ]) + fi + + if test x$have_any_nl = xno ; then + # + # No, we don't have libnl at all. + # + if test x$with_libnl = xyes ; then + AC_MSG_ERROR([libnl support requested but libnl not found]) + fi + fi + fi + + AC_CHECK_HEADERS(linux/ethtool.h,,, + [ +AC_INCLUDES_DEFAULT +#include <linux/types.h> + ]) + AC_LBL_TPACKET_STATS + AC_LBL_LINUX_TPACKET_AUXDATA_TP_VLAN_TCI + ;; + +bpf) + # + # Check whether we have the *BSD-style ioctls. + # + AC_CHECK_HEADERS(net/if_media.h) + + AC_MSG_CHECKING(whether the system supports zerocopy BPF) + AC_TRY_COMPILE( + [#include <sys/socket.h> + #include <sys/ioctl.h> + #include <net/if.h> + #include <net/bpf.h>], + [return (BIOCROTZBUF + BPF_BUFMODE_ZBUF);], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_ZEROCOPY_BPF, 1, + [define if the system supports zerocopy BPF]) + ], + AC_MSG_RESULT(no)) + + # + # Check whether we have struct BPF_TIMEVAL. + # + AC_CHECK_TYPES(struct BPF_TIMEVAL,,, + [ +#include <sys/types.h> +#include <sys/ioctl.h> +#ifdef HAVE_SYS_IOCCOM_H +#include <sys/ioccom.h> +#endif +#include <net/bpf.h> + ]) + ;; + +dag) + # + # --with-pcap=dag is the only way to get here, and it means + # "DAG support but nothing else" + # + V_DEFS="$V_DEFS -DDAG_ONLY" + xxx_only=yes + ;; + +septel) + # + # --with-pcap=septel is the only way to get here, and it means + # "Septel support but nothing else" + # + V_DEFS="$V_DEFS -DSEPTEL_ONLY" + xxx_only=yes + ;; + +snf) + # + # --with-pcap=snf is the only way to get here, and it means + # "SNF support but nothing else" + # + V_DEFS="$V_DEFS -DSNF_ONLY" + xxx_only=yes + ;; + +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 "$V_PCAP" != null +then + AC_CHECK_FUNC(getifaddrs,[ + # + # We have "getifaddrs()"; make sure we have <ifaddrs.h> + # as well, just in case some platform is really weird. + # + AC_CHECK_HEADER(ifaddrs.h,[ + # + # We have the header, so we use "getifaddrs()" to + # get the list of interfaces. + # + V_FINDALLDEVS=fad-getad.c + ],[ + # + # We don't have the header - give up. + # XXX - we could also fall back on some other + # mechanism, but, for now, this'll catch this + # problem so that we can at least try to figure + # out something to do on systems with "getifaddrs()" + # but without "ifaddrs.h", if there is something + # we can do on those systems. + # + AC_MSG_ERROR([Your system has getifaddrs() but doesn't have a usable <ifaddrs.h>.]) + ]) + ],[ + # + # Well, we don't have "getifaddrs()", so we have to use + # some other mechanism; determine what that mechanism is. + # + # The first thing we use is the type of capture mechanism, + # which is somewhat of a proxy for the OS we're using. + # + case "$V_PCAP" in + + dlpi|libdlpi) + # + # 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 $ac_cv_lbl_have_siocglifconf = yes ; then + V_FINDALLDEVS=fad-glifc.c + else + V_FINDALLDEVS=fad-gifc.c + fi + ;; + + *) + # + # Assume we just have SIOCGIFCONF. + # (XXX - on at least later Linux kernels, there's + # another mechanism, and we should be using that + # instead.) + # + V_FINDALLDEVS=fad-gifc.c + ;; + esac]) +fi +]) + +AC_MSG_CHECKING(for socklen_t) +AC_TRY_COMPILE([ + #include <sys/types.h> + #include <sys/socket.h> + ], + [ socklen_t x; ], + have_socklen_t=yes, + have_socklen_t=no) +if test "x$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(${enable_yydebug-no}) + +# Check for Endace DAG card support. +AC_ARG_WITH([dag], +AC_HELP_STRING([--with-dag@<:@=DIR@:>@],[include Endace DAG support (located in directory DIR, if supplied). @<:@default=yes, if present@:>@]), +[ + if test "$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 +],[ + if test "$V_PCAP" = dag; then + # User requested DAG-only libpcap, so we'd better have + # the DAG API. + want_dag=yes + elif test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want DAG support. + want_dag=no + else + # + # Use DAG API if present, otherwise don't + # + want_dag=ifpresent + fi +]) + +AC_ARG_WITH([dag-includes], +AC_HELP_STRING([--with-dag-includes=IDIR],[Endace DAG include directory, if not DIR/include]), +[ + # User wants DAG support and has specified a header directory, so use the provided value. + want_dag=yes + dag_include_dir=$withval +],[]) + +AC_ARG_WITH([dag-libraries], +AC_HELP_STRING([--with-dag-libraries=LDIR],[Endace DAG library directory, if not DIR/lib]), +[ + # User wants DAG support and has specified a library directory, so use the provided value. + want_dag=yes + dag_lib_dir=$withval +],[]) + +ac_cv_lbl_dag_api=no +if test "$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 $dag_include_dir/dagapi.h; then + ac_cv_lbl_dag_api=yes + fi + + if test "$ac_cv_lbl_dag_api" = yes; then + AC_MSG_RESULT([yes ($dag_include_dir)]) + + V_INCLS="$V_INCLS -I$dag_include_dir" + + if test $V_PCAP != dag ; then + SSRC="$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="$LIBS -ldag" + LDFLAGS="$LDFLAGS -L$dag_lib_dir" + + AC_CHECK_LIB([vdag],[vdag_set_device_info], [ac_dag_have_vdag="1"], [ac_dag_have_vdag="0"]) + if test "$ac_dag_have_vdag" = 1; then + AC_DEFINE(HAVE_DAG_VDAG, 1, [define if you have vdag_set_device_info()]) + LIBS="$LIBS -lpthread" + fi + fi + + AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API]) + else + AC_MSG_RESULT(no) + + if test "$V_PCAP" = dag; then + # User requested "dag" capture type but we couldn't + # find the DAG API support. + AC_MSG_ERROR([DAG support requested with --with-pcap=dag, but the DAG headers weren't found at $dag_include_dir: make sure the DAG support is installed, specify a different path or paths if necessary, or don't request DAG support]) + fi + + if test "$want_dag" = yes; then + # User wanted DAG support but we couldn't find it. + AC_MSG_ERROR([DAG support requested with --with-dag, but the DAG headers weren't found at $dag_include_dir: make sure the DAG support is installed, specify a different path or paths if necessary, or don't request DAG support]) + fi + fi +fi + +AC_ARG_WITH(septel, +AC_HELP_STRING([--with-septel@<:@=DIR@:>@],[include Septel support (located in directory DIR, if supplied). @<:@default=yes, if present@:>@]), +[ + if test "$withval" = no + then + want_septel=no + elif test "$withval" = yes + then + want_septel=yes + septel_root= + else + want_septel=yes + septel_root=$withval + fi +],[ + if test "$V_PCAP" = septel; then + # User requested Septel-only libpcap, so we'd better have + # the Septel API. + want_septel=yes + elif test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want Septel support. + want_septel=no + else + # + # Use Septel API if present, otherwise don't + # + want_septel=ifpresent + fi +]) + +ac_cv_lbl_septel_api=no +if test "$with_septel" != no; then + + AC_MSG_CHECKING([whether we have Septel API headers]) + + # If necessary, set default paths for Septel API headers and libraries. + if test -z "$septel_root"; then + septel_root=$srcdir/../septel + fi + + septel_tools_dir="$septel_root" + septel_include_dir="$septel_root/INC" + + if test -r "$septel_include_dir/msg.h"; then + ac_cv_lbl_septel_api=yes + fi + + if test "$ac_cv_lbl_septel_api" = yes; then + AC_MSG_RESULT([yes ($septel_include_dir)]) + + V_INCLS="$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="$SSRC pcap-septel.c" + fi + + AC_DEFINE(HAVE_SEPTEL_API, 1, [define if you have the Septel API]) + else + AC_MSG_RESULT(no) + + if test "$V_PCAP" = septel; then + # User requested "septel" capture type but + # we couldn't find the Septel API support. + AC_MSG_ERROR([Septel support requested with --with-pcap=septel, but the Septel headers weren't found at $septel_include_dir: make sure the Septel support is installed, specify a different path or paths if necessary, or don't request Septel support]) + fi + + if test "$want_septel" = yes; then + # User wanted Septel support but we couldn't find it. + AC_MSG_ERROR([Septel support requested with --with-septel, but the Septel headers weren't found at $septel_include_dir: make sure the Septel support is installed, specify a different path or paths if necessary, or don't request Septel support]) + fi + fi +fi + +# Check for Myricom SNF support. +AC_ARG_WITH([snf], +AC_HELP_STRING([--with-snf@<:@=DIR@:>@],[include Myricom SNF support (located in directory DIR, if supplied). @<:@default=yes, if present@:>@]), +[ + if test "$withval" = no + then + # User explicitly doesn't want SNF + want_snf=no + elif test "$withval" = yes + then + # User wants SNF support but hasn't specified a directory. + want_snf=yes + else + # User wants SNF support with a specified directory. + want_snf=yes + snf_root=$withval + fi +],[ + if test "$V_PCAP" = snf; then + # User requested Sniffer-only libpcap, so we'd better have + # the Sniffer API. + want_snf=yes + elif test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want SNF support. + want_snf=no + else + # + # Use Sniffer API if present, otherwise don't + # + want_snf=ifpresent + fi +]) + +AC_ARG_WITH([snf-includes], +AC_HELP_STRING([--with-snf-includes=IDIR],[Myricom SNF include directory, if not DIR/include]), +[ + # User wants SNF with specific header directory + want_snf=yes + snf_include_dir=$withval +],[]) + +AC_ARG_WITH([snf-libraries], +AC_HELP_STRING([--with-snf-libraries=LDIR],[Myricom SNF library directory, if not DIR/lib]), +[ + # User wants SNF with specific lib directory + want_snf=yes + snf_lib_dir=$withval +],[]) + +ac_cv_lbl_snf_api=no +if test "$with_snf" != no; then + + AC_MSG_CHECKING(whether we have Myricom Sniffer API) + + # If necessary, set default paths for Sniffer headers and libraries. + if test -z "$snf_root"; then + snf_root=/opt/snf + fi + + if test -z "$snf_include_dir"; then + snf_include_dir="$snf_root/include" + fi + + if test -z "$snf_lib_dir"; then + snf_lib_dir="$snf_root/lib" + fi + + if test -f "$snf_include_dir/snf.h"; then + # We found a header; make sure we can link with the library + saved_ldflags=$LDFLAGS + LDFLAGS="$LDFLAGS -L$snf_lib_dir" + AC_CHECK_LIB([snf], [snf_init], [ac_cv_lbl_snf_api="yes"]) + LDFLAGS="$saved_ldflags" + if test "$ac_cv_lbl_snf_api" = no; then + AC_MSG_ERROR(SNF API cannot correctly be linked; check config.log) + fi + fi + + if test "$ac_cv_lbl_snf_api" = yes; then + AC_MSG_RESULT([yes ($snf_root)]) + + V_INCLS="$V_INCLS -I$snf_include_dir" + LIBS="$LIBS -lsnf" + LDFLAGS="$LDFLAGS -L$snf_lib_dir" + + if test "$V_PCAP" != snf ; then + SSRC="$SSRC pcap-snf.c" + fi + + AC_DEFINE(HAVE_SNF_API, 1, [define if you have the Myricom SNF API]) + else + AC_MSG_RESULT(no) + + if test "$want_snf" = yes; then + # User requested "snf" capture type but + # we couldn't find the Sniffer API support. + AC_MSG_ERROR([Myricom Sniffer support requested with --with-pcap=snf, but the Sniffer headers weren't found at $snf_include_dir: make sure the Sniffer support is installed, specify a different path or paths if necessary, or don't request Sniffer support]) + fi + + if test "$want_snf" = yes; then + AC_MSG_ERROR([Myricom Sniffer support requested with --with-snf, but the Sniffer headers weren't found at $snf_include_dir: make sure the Sniffer support is installed, specify a different path or paths if necessary, or don't request Sniffer support]) + fi + fi +fi + +# Check for Riverbed TurboCap support. +AC_ARG_WITH([turbocap], +AC_HELP_STRING([--with-turbocap@<:@=DIR@:>@],[include Riverbed TurboCap support (located in directory DIR, if supplied). @<:@default=yes, if present@:>@]), +[ + if test "$withval" = no + then + # User explicitly doesn't want TurboCap + want_turbocap=no + elif test "$withval" = yes + then + # User wants TurboCap support but hasn't specified a directory. + want_turbocap=yes + else + # User wants TurboCap support with a specified directory. + want_turbocap=yes + turbocap_root=$withval + fi +],[ + if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want TurboCap support. + want_turbocap=no + else + # + # Use TurboCap API if present, otherwise don't + # + want_turbocap=ifpresent + fi +]) + +ac_cv_lbl_turbocap_api=no +if test "$want_turbocap" != no; then + + AC_MSG_CHECKING(whether TurboCap is supported) + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + if test ! -z "$turbocap_root"; then + TURBOCAP_CFLAGS="-I$turbocap_root/include" + TURBOCAP_LIBS="-L$turbocap_root/lib" + CFLAGS="$CFLAGS $TURBOCAP_CFLAGS" + fi + + AC_TRY_COMPILE( + [ + #include <TcApi.h> + ], + [ + TC_INSTANCE a; TC_PORT b; TC_BOARD c; + TC_INSTANCE i; + (void)TcInstanceCreateByName("foo", &i); + ], + ac_cv_lbl_turbocap_api=yes) + + CFLAGS="$save_CFLAGS" + if test $ac_cv_lbl_turbocap_api = yes; then + AC_MSG_RESULT(yes) + + SSRC="$SSRC pcap-tc.c" + V_INCLS="$V_INCLS $TURBOCAP_CFLAGS" + LIBS="$LIBS $TURBOCAP_LIBS -lTcApi -lpthread -lstdc++" + + AC_DEFINE(HAVE_TC_API, 1, [define if you have the TurboCap API]) + else + AC_MSG_RESULT(no) + + if test "$want_turbocap" = yes; then + # User wanted Turbo support but we couldn't find it. + AC_MSG_ERROR([TurboCap support requested with --with-turbocap, but the TurboCap headers weren't found: make sure the TurboCap support is installed or don't request TurboCap support]) + fi + fi +fi + +# +# Look for {f}lex. +# +AC_PROG_LEX +if test "$LEX" = ":"; then + AC_MSG_ERROR([Neither flex nor lex was found.]) +fi + +# +# Make sure {f}lex supports the -P, --header-file, and --nounput flags +# and supports processing our scanner.l. +# +AC_CACHE_CHECK([for capable lex], tcpdump_cv_capable_lex, + if $LEX -P pcap_ --header-file=/dev/null --nounput -t $srcdir/scanner.l > /dev/null 2>&1; then + tcpdump_cv_capable_lex=yes + else + tcpdump_cv_capable_lex=insufficient + fi) +if test $tcpdump_cv_capable_lex = insufficient ; then + AC_MSG_ERROR([$LEX is insufficient to compile libpcap. + libpcap requires Flex 2.5.31 or later, or a compatible version of lex.]) +fi + +# +# Look for yacc/bison/byacc. +# +AC_PROG_YACC + +# +# Make sure it supports the -p flag and supports processing our +# grammar.y. +# +AC_CACHE_CHECK([for capable yacc/bison], tcpdump_cv_capable_yacc, + if $YACC -p pcap_ -o /dev/null $srcdir/grammar.y >/dev/null 2>&1; then + tcpdump_cv_capable_yacc=yes + else + tcpdump_cv_capable_yacc=insufficient + fi) +if test $tcpdump_cv_capable_yacc = insufficient ; then + AC_MSG_ERROR([$YACC is insufficient to compile libpcap. + libpcap requires Bison, Berkeley YACC, or another YACC compatible with them.]) +fi + +# +# Assume, by default, no support for shared libraries and V7/BSD convention +# for man pages (file formats in section 5, miscellaneous info in section 7). +# Individual cases can override this. +# +DYEXT="none" +MAN_FILE_FORMATS=5 +MAN_MISC_INFO=7 +case "$host_os" in + +aix*) + dnl Workaround to enable certain features + AC_DEFINE(_SUN,1,[define on AIX to get certain functions]) + + # + # AIX makes it fun to build shared and static libraries, + # because they're *both* ".a" archive libraries. We + # build the static library for the benefit of the traditional + # scheme of building libpcap and tcpdump in subdirectories of + # the same directory, with tcpdump statically linked with the + # libpcap in question, but we also build a shared library as + # "libpcap.shareda" and install *it*, rather than the static + # library, as "libpcap.a". + # + DYEXT="shareda" + + case "$V_PCAP" in + + dlpi) + # + # If we're using DLPI, applications will need to + # use /lib/pse.exp if present, as we use the + # STREAMS routines. + # + pseexe="/lib/pse.exp" + AC_MSG_CHECKING(for $pseexe) + if test -f $pseexe ; then + AC_MSG_RESULT(yes) + LIBS="-I:$pseexe" + fi + ;; + + bpf) + # + # If we're using BPF, we need "-lodm" and "-lcfg", as + # we use them to load the BPF module. + # + LIBS="-lodm -lcfg" + ;; + esac + ;; + +darwin*) + DYEXT="dylib" + V_CCOPT="$V_CCOPT -fno-common" + AC_ARG_ENABLE(universal, + AC_HELP_STRING([--disable-universal],[don't build universal on OS X])) + if test "$enable_universal" != "no"; then + case "$host_os" in + + darwin[0-7].*) + # + # Pre-Tiger. Build only for 32-bit PowerPC; no + # need for any special compiler or linker flags. + # + ;; + + darwin8.[0123]*) + # + # Tiger, prior to Intel support. Build for 32-bit + # PowerPC and 64-bit PowerPC, with 32-bit PowerPC + # first. (I'm guessing that's what Apple does.) + # + V_CCOPT="$V_CCOPT -arch ppc -arch ppc64" + LDFLAGS="$LDFLAGS -arch ppc -arch ppc64" + ;; + + darwin8.[456]*) + # + # Tiger, subsequent to Intel support but prior to + # x86-64 support. Build for 32-bit PowerPC, 64-bit + # PowerPC, and x86, with 32-bit PowerPC first. + # (I'm guessing that's what Apple does.) + # + V_CCOPT="$V_CCOPT -arch ppc -arch ppc64 -arch i386" + LDFLAGS="$LDFLAGS -arch ppc -arch ppc64 -arch i386" + ;; + + darwin8.*) + # + # All other Tiger, so subsequent to x86-64 + # support. Build for 32-bit PowerPC, 64-bit + # PowerPC, x86, and x86-64, and with 32-bit PowerPC + # first. (I'm guessing that's what Apple does.) + # + V_CCOPT="$V_CCOPT -arch ppc -arch ppc64 -arch i386 -arch x86_64" + LDFLAGS="$LDFLAGS -arch ppc -arch ppc64 -arch i386 -arch x86_64" + ;; + + darwin9.*) + # + # Leopard. Build for 32-bit PowerPC, 64-bit + # PowerPC, x86, and x86-64, with 32-bit PowerPC + # first. (That's what Apple does.) + # + V_CCOPT="$V_CCOPT -arch ppc -arch ppc64 -arch i386 -arch x86_64" + LDFLAGS="$LDFLAGS -arch ppc -arch ppc64 -arch i386 -arch x86_64" + ;; + + darwin10.*) + # + # Snow Leopard. Build for x86-64, x86, and + # 32-bit PowerPC, with x86-64 first. (That's + # what Apple does, even though Snow Leopard + # doesn't run on PPC, so PPC libpcap runs under + # Rosetta, and Rosetta doesn't support BPF + # ioctls, so PPC programs can't do live + # captures.) + # + V_CCOPT="$V_CCOPT -arch x86_64 -arch i386 -arch ppc" + LDFLAGS="$LDFLAGS -arch x86_64 -arch i386 -arch ppc" + ;; + + darwin*) + # + # Post-Snow Leopard. Build for x86-64 and + # x86, with x86-64 first. (That's probably what + # Apple does, given that Rosetta is gone.) + # XXX - update if and when Apple drops support + # for 32-bit x86 code. + # + V_CCOPT="$V_CCOPT -arch x86_64 -arch i386" + LDFLAGS="$LDFLAGS -arch x86_64 -arch i386" + ;; + esac + fi + ;; + +hpux9*) + AC_DEFINE(HAVE_HPUX9,1,[on HP-UX 9.x]) + + # + # Use System V conventions for man pages. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +hpux10.0*) + + # + # Use System V conventions for man pages. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +hpux10.1*) + + # + # Use System V conventions for man pages. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +hpux*) + dnl HPUX 10.20 and above is similar to HPUX 9, but + dnl not the same.... + dnl + dnl XXX - DYEXT should be set to "sl" if this is building + dnl for 32-bit PA-RISC, but should be left as "so" for + dnl 64-bit PA-RISC or, I suspect, IA-64. + AC_DEFINE(HAVE_HPUX10_20_OR_LATER,1,[on HP-UX 10.20 or later]) + if test "`uname -m`" = "ia64"; then + DYEXT="so" + else + DYEXT="sl" + fi + + # + # "-b" builds a shared library; "+h" sets the soname. + # + SHLIB_OPT="-b" + SONAME_OPT="+h" + + # + # Use System V conventions for man pages. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +irix*) + # + # Use System V conventions for man pages. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +linux*|freebsd*|netbsd*|openbsd*|dragonfly*|kfreebsd*|gnu*) + DYEXT="so" + + # + # Compiler assumed to be GCC; run-time linker may require a -R + # flag. + # + if test "$libdir" != "/usr/lib"; then + V_RFLAGS=-Wl,-R$libdir + fi + ;; + +osf*) + DYEXT="so" + + # + # Use System V conventions for man pages. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +sinix*) + AC_MSG_CHECKING(if SINIX compiler defines sinix) + AC_CACHE_VAL(ac_cv_cc_sinix_defined, + AC_TRY_COMPILE( + [], + [int i = sinix;], + ac_cv_cc_sinix_defined=yes, + ac_cv_cc_sinix_defined=no)) + AC_MSG_RESULT($ac_cv_cc_sinix_defined) + if test $ac_cv_cc_sinix_defined = no ; then + AC_DEFINE(sinix,1,[on sinix]) + fi + ;; + +solaris*) + AC_DEFINE(HAVE_SOLARIS,1,[On solaris]) + + DYEXT="so" + # + # Use System V conventions for man pages. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; +esac + +AC_ARG_ENABLE(shared, +AC_HELP_STRING([--enable-shared],[build shared libraries @<:@default=yes, if support available@:>@])) +test "x$enable_shared" = "xno" && DYEXT="none" + +AC_PROG_RANLIB +AC_CHECK_TOOL([AR], [ar]) + +AC_PROG_LN_S +AC_SUBST(LN_S) + +AC_LBL_DEVEL(V_CCOPT) + +AC_LBL_SOCKADDR_SA_LEN + +AC_LBL_SOCKADDR_STORAGE + +AC_LBL_HP_PPA_INFO_T_DL_MODULE_ID_1 + +AC_LBL_UNALIGNED_ACCESS + +rm -f net +ln -s ${srcdir}/bpf/net net + +AC_SUBST(V_CCOPT) +AC_SUBST(V_DEFS) +AC_SUBST(V_FINDALLDEVS) +AC_SUBST(V_INCLS) +AC_SUBST(V_LEX) +AC_SUBST(V_PCAP) +AC_SUBST(V_SHLIB_CMD) +AC_SUBST(V_SHLIB_OPT) +AC_SUBST(V_SONAME_OPT) +AC_SUBST(V_RPATH_OPT) +AC_SUBST(V_YACC) +AC_SUBST(ADDLOBJS) +AC_SUBST(ADDLARCHIVEOBJS) +AC_SUBST(SSRC) +AC_SUBST(DYEXT) +AC_SUBST(MAN_FILE_FORMATS) +AC_SUBST(MAN_MISC_INFO) + +AC_ARG_ENABLE([usb], +[AC_HELP_STRING([--enable-usb],[enable nusb support @<:@default=yes, if support available@:>@])], + [], + [enable_usb=yes]) + +if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want USB support. + enable_usb=no +fi + +if test "x$enable_usb" != "xno" ; then + dnl check for USB sniffing support + AC_MSG_CHECKING(for USB sniffing support) + case "$host_os" in + linux*) + AC_DEFINE(PCAP_SUPPORT_USB, 1, [target host supports USB sniffing]) + USB_SRC=pcap-usb-linux.c + AC_MSG_RESULT(yes) + ac_usb_dev_name=`udevinfo -q name -p /sys/class/usb_device/usbmon 2>/dev/null` + if test $? -ne 0 ; then + ac_usb_dev_name="usbmon" + fi + AC_DEFINE_UNQUOTED(LINUX_USB_MON_DEV, "/dev/$ac_usb_dev_name", [path for device for USB sniffing]) + AC_MSG_NOTICE(Device for USB sniffing is /dev/$ac_usb_dev_name) + # + # Do we have a version of <linux/compiler.h> available? + # If so, we might need it for <linux/usbdevice_fs.h>. + # + AC_CHECK_HEADERS(linux/compiler.h) + if test "$ac_cv_header_linux_compiler_h" = yes; then + # + # Yes - include it when testing for <linux/usbdevice_fs.h>. + # + AC_CHECK_HEADERS(linux/usbdevice_fs.h,,,[#include <linux/compiler.h>]) + else + AC_CHECK_HEADERS(linux/usbdevice_fs.h) + fi + if test "$ac_cv_header_linux_usbdevice_fs_h" = yes; then + # + # OK, does it define bRequestType? Older versions of the kernel + # define fields with names like "requesttype, "request", and + # "value", rather than "bRequestType", "bRequest", and + # "wValue". + # + AC_MSG_CHECKING(if usbdevfs_ctrltransfer struct has bRequestType member) + AC_CACHE_VAL(ac_cv_usbdevfs_ctrltransfer_has_bRequestType, + AC_TRY_COMPILE([ +AC_INCLUDES_DEFAULT +#ifdef HAVE_SYS_BITYPES_H +#include <sys/bitypes.h> +#endif +#ifdef HAVE_LINUX_COMPILER_H +#include <linux/compiler.h> +#endif +#include <linux/usbdevice_fs.h>], + [u_int i = sizeof(((struct usbdevfs_ctrltransfer *)0)->bRequestType)], + ac_cv_usbdevfs_ctrltransfer_has_bRequestType=yes, + ac_cv_usbdevfs_ctrltransfer_has_bRequestType=no)) + AC_MSG_RESULT($ac_cv_usbdevfs_ctrltransfer_has_bRequestType) + if test $ac_cv_usbdevfs_ctrltransfer_has_bRequestType = yes ; then + AC_DEFINE(HAVE_USBDEVFS_CTRLTRANSFER_BREQUESTTYPE,1, + [if struct usbdevfs_ctrltransfer has bRequestType]) + fi + fi + ;; + freebsd*) + # + # This just uses BPF in FreeBSD 8.4 and later; we don't need + # to check for anything special for capturing. + # + AC_MSG_RESULT([yes, in FreeBSD 8.4 and later]) + ;; + + *) + AC_MSG_RESULT(no) + ;; +esac +fi +AC_SUBST(PCAP_SUPPORT_USB) +AC_SUBST(USB_SRC) + +dnl check for netfilter sniffing support +if test "xxx_only" != yes; then + AC_MSG_CHECKING(whether the platform could support netfilter sniffing) + case "$host_os" in + linux*) + AC_MSG_RESULT(yes) + # + # Life's too short to deal with trying to get this to compile + # if you don't get the right types defined with + # __KERNEL_STRICT_NAMES getting defined by some other include. + # + # Check whether the includes Just Work. If not, don't turn on + # netfilter support. + # + AC_MSG_CHECKING(whether we can compile the netfilter support) + AC_CACHE_VAL(ac_cv_netfilter_can_compile, + AC_TRY_COMPILE([ +AC_INCLUDES_DEFAULT +#include <sys/socket.h> +#include <netinet/in.h> +#include <linux/types.h> + +#include <linux/netlink.h> +#include <linux/netfilter.h> +#include <linux/netfilter/nfnetlink.h> +#include <linux/netfilter/nfnetlink_log.h> +#include <linux/netfilter/nfnetlink_queue.h>], + [], + ac_cv_netfilter_can_compile=yes, + ac_cv_netfilter_can_compile=no)) + AC_MSG_RESULT($ac_cv_netfilter_can_compile) + if test $ac_cv_netfilter_can_compile = yes ; then + AC_DEFINE(PCAP_SUPPORT_NETFILTER, 1, + [target host supports netfilter sniffing]) + NETFILTER_SRC=pcap-netfilter-linux.c + fi + ;; + *) + AC_MSG_RESULT(no) + ;; + esac +fi +AC_SUBST(PCAP_SUPPORT_NETFILTER) +AC_SUBST(NETFILTER_SRC) + +AC_ARG_ENABLE([bluetooth], +[AC_HELP_STRING([--enable-bluetooth],[enable Bluetooth support @<:@default=yes, if support available@:>@])], + [], + [enable_bluetooth=ifsupportavailable]) + +if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want Bluetooth support. + enable_bluetooth=no +fi + +if test "x$enable_bluetooth" != "xno" ; then + dnl check for Bluetooth sniffing support + case "$host_os" in + linux*) + AC_CHECK_HEADER(bluetooth/bluetooth.h, + [ + AC_DEFINE(PCAP_SUPPORT_BT, 1, [target host supports Bluetooth sniffing]) + BT_SRC=pcap-bt-linux.c + AC_MSG_NOTICE(Bluetooth sniffing is supported) + + # + # OK, does struct sockaddr_hci have an hci_channel + # member? + # + AC_MSG_CHECKING(if struct sockaddr_hci has hci_channel member) + AC_CACHE_VAL(ac_cv_lbl_sockaddr_hci_has_hci_channel, + AC_TRY_COMPILE( +[ +#include <bluetooth/bluetooth.h> +#include <bluetooth/hci.h> +], + [u_int i = sizeof(((struct sockaddr_hci *)0)->hci_channel)], + ac_cv_lbl_sockaddr_hci_has_hci_channel=yes, + ac_cv_lbl_sockaddr_hci_has_hci_channel=no)) + AC_MSG_RESULT($ac_cv_lbl_sockaddr_hci_has_hci_channel) + if test $ac_cv_lbl_sockaddr_hci_has_hci_channel = yes ; then + AC_DEFINE(SOCKADDR_HCI_HAS_HCI_CHANNEL,, + [if struct sockaddr_hci has hci_channel member]) + + # + # OK, is HCI_CHANNEL_MONITOR defined? + # + AC_MSG_CHECKING(if HCI_CHANNEL_MONITOR is defined) + AC_CACHE_VAL(ac_cv_lbl_hci_channel_monitor_is_defined, + AC_TRY_COMPILE( +[ +#include <bluetooth/bluetooth.h> +#include <bluetooth/hci.h> +], + [u_int i = HCI_CHANNEL_MONITOR], + ac_cv_lbl_hci_channel_monitor_is_defined=yes, + ac_cv_lbl_hci_channel_monitor_is_defined=no)) + AC_MSG_RESULT($ac_cv_lbl_hci_channel_monitor_is_defined) + if test $ac_cv_lbl_hci_channel_monitor_is_defined = yes ; then + AC_DEFINE(PCAP_SUPPORT_BT_MONITOR,, + [target host supports Bluetooth Monitor]) + BT_MONITOR_SRC=pcap-bt-monitor-linux.c + fi + fi + ac_lbl_bluetooth_available=yes + ], + ac_lbl_bluetooth_available=no + ) + if test "x$ac_lbl_bluetooth_available" == "xno" ; then + if test "x$enable_bluetooth" = "xyes" ; then + AC_MSG_ERROR(Bluetooth sniffing is not supported; install bluez-lib devel to enable it) + else + AC_MSG_NOTICE(Bluetooth sniffing is not supported; install bluez-lib devel to enable it) + fi + fi + ;; + *) + if test "x$enable_bluetooth" = "xyes" ; then + AC_MSG_ERROR(no Bluetooth sniffing support implemented for $host_os) + else + AC_MSG_NOTICE(no Bluetooth sniffing support implemented for $host_os) + fi + ;; + esac + AC_SUBST(PCAP_SUPPORT_BT) + AC_SUBST(BT_SRC) + AC_SUBST(BT_MONITOR_SRC) +fi + +AC_ARG_ENABLE([dbus], +[AC_HELP_STRING([--enable-dbus],[enable D-Bus capture support @<:@default=yes, if support available@:>@])], + [], + [enable_dbus=ifavailable]) + +if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want D-Bus support. + enable_dbus=no +fi + +if test "x$enable_dbus" != "xno"; then + if test "x$enable_dbus" = "xyes"; then + case "$host_os" in + + darwin*) + # + # We don't support D-Bus sniffing on OS X; see + # + # https://bugs.freedesktop.org/show_bug.cgi?id=74029 + # + # The user requested it, so fail. + # + AC_MSG_ERROR([Due to freedesktop.org bug 74029, D-Bus capture support is not available on OS X]) + esac + else + case "$host_os" in + + darwin*) + # + # We don't support D-Bus sniffing on OS X; see + # + # https://bugs.freedesktop.org/show_bug.cgi?id=74029 + # + # The user dind't explicitly request it, so just + # silently refuse to enable it. + # + enable_dbus="no" + ;; + esac + fi +fi + +if test "x$enable_dbus" != "xno"; then + AC_CHECK_PROG([PKGCONFIG], [pkg-config], [pkg-config], [no]) + if test "x$PKGCONFIG" != "xno"; then + AC_MSG_CHECKING([for D-Bus]) + if "$PKGCONFIG" dbus-1; then + AC_MSG_RESULT([yes]) + DBUS_CFLAGS=`"$PKGCONFIG" --cflags dbus-1` + DBUS_LIBS=`"$PKGCONFIG" --libs dbus-1` + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + CFLAGS="$CFLAGS $DBUS_CFLAGS" + LIBS="$LIBS $DBUS_LIBS" + AC_MSG_CHECKING(whether the D-Bus library defines dbus_connection_read_write) + AC_TRY_LINK( + [#include <string.h> + + #include <time.h> + #include <sys/time.h> + + #include <dbus/dbus.h>], + [return dbus_connection_read_write(NULL, 0);], + [ + AC_MSG_RESULT([yes]) + AC_DEFINE(PCAP_SUPPORT_DBUS, 1, [support D-Bus sniffing]) + DBUS_SRC=pcap-dbus.c + V_INCLS="$V_INCLS $DBUS_CFLAGS" + ], + [ + AC_MSG_RESULT([no]) + if test "x$enable_dbus" = "xyes"; then + AC_MSG_ERROR([--enable-dbus was given, but the D-Bus library doesn't define dbus_connection_read_write()]) + fi + LIBS="$save_LIBS" + ]) + CFLAGS="$save_CFLAGS" + else + AC_MSG_RESULT([no]) + if test "x$enable_dbus" = "xyes"; then + AC_MSG_ERROR([--enable-dbus was given, but the dbus-1 package is not installed]) + fi + fi + fi + AC_SUBST(PCAP_SUPPORT_DBUS) + AC_SUBST(DBUS_SRC) +fi + +dnl check for hardware timestamp support +case "$host_os" in +linux*) + AC_CHECK_HEADERS([linux/net_tstamp.h]) + ;; +*) + AC_MSG_NOTICE(no hardware timestamp support implemented for $host_os) + ;; +esac + +dnl The packet ring capture facility of Linux, described in +dnl Documentation/networking/packet_mmap.txt, is not 32/64-bit compatible before +dnl version 2.6.27. A 32-bit kernel requires a 32-bit userland, and likewise for +dnl 64-bit. The effect of this is that a 32-bit libpcap binary will not run +dnl correctly on a 64-bit kernel (the binary will use the wrong offsets into a +dnl kernel struct). This problem was solved in Linux 2.6.27. Use +dnl --disable-packet-ring whenever a 32-bit application must run on a 64-bit +dnl target host, and either the build host or the target host run Linux 2.6.26 +dnl or earlier. +AC_ARG_ENABLE([packet-ring], +[AC_HELP_STRING([--enable-packet-ring],[enable Linux packet ring support @<:@default=yes@:>@])], +,enable_packet_ring=yes) + +if test "x$enable_packet_ring" != "xno" ; then + AC_DEFINE(PCAP_SUPPORT_PACKET_RING, 1, [use Linux packet ring capture if available]) + AC_SUBST(PCAP_SUPPORT_PACKET_RING) +fi + +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 pcap-filter.manmisc pcap-linktype.manmisc + pcap-tstamp.manmisc pcap-savefile.manfile pcap.3pcap + pcap_compile.3pcap pcap_datalink.3pcap pcap_dump_open.3pcap + pcap_get_tstamp_precision.3pcap pcap_list_datalinks.3pcap + pcap_list_tstamp_types.3pcap pcap_open_dead.3pcap + pcap_open_offline.3pcap pcap_set_tstamp_precision.3pcap + pcap_set_tstamp_type.3pcap) +exit 0 |