elif test -r /usr/include/net/pfilt.h ; then

    LIBOBJS="$LIBOBJS libnet_link_pf.$ac_objext"

    echo "$as_me:$LINENO: result: found pf" >&5

echo "${ECHO_T}found pf" >&6

elif test -r /dev/nit ; then

    LIBOBJS="$LIBOBJS libnet_link_snit.$ac_objext"

    echo "$as_me:$LINENO: result: found snit" >&5

echo "${ECHO_T}found snit" >&6

elif test -r /usr/include/sys/net/nit.h ; then

    LIBOBJS="$LIBOBJS libnet_link_nit.$ac_objext"

    echo "$as_me:$LINENO: result: found nit" >&5

echo "${ECHO_T}found nit" >&6

elif test -r /usr/include/net/raw.h ; then

    LIBOBJS="$LIBOBJS libnet_link_snoop.$ac_objext"

    echo "$as_me:$LINENO: result: found snoop" >&5

echo "${ECHO_T}found snoop" >&6

elif test -r /usr/include/sys/dlpi.h ; then

    LIBOBJS="$LIBOBJS libnet_link_dlpi.$ac_objext"

    echo "$as_me:$LINENO: result: found dlpi" >&5

echo "${ECHO_T}found dlpi" >&6

    cat >>confdefs.h <<\_ACEOF

#define HAVE_DLPI 1

_ACEOF

elif test -r /usr/include/linux/socket.h ; then

    LIBOBJS="$LIBOBJS libnet_link_linux.$ac_objext"

    echo "$as_me:$LINENO: result: found linux primitives" >&5

echo "${ECHO_T}found linux primitives" >&6

    if test $ac_cv_libnet_linux_procfs = yes ; then

cat >>confdefs.h <<\_ACEOF

#define HAVE_LINUX_PROCFS 1

_ACEOF

    fi

elif test -c /dev/bpf0 ; then           # check again in case not readable

    LIBOBJS="$LIBOBJS libnet_link_bpf.$ac_objext"

    echo "$as_me:$LINENO: result: found bpf" >&5

echo "${ECHO_T}found bpf" >&6

elif test -c /dev/nit ; then            # check again in case not readable

    LIBOBJS="$LIBOBJS libnet_link_snit.$ac_objext"

    echo "$as_me:$LINENO: result: found snit" >&5

echo "${ECHO_T}found snit" >&6

elif test "$target_os" = "cygwin" ; then

     LIBOBJS="$LIBOBJS libnet_link_win32.$ac_objext"

     echo "$as_me:$LINENO: result: found win32 wpcap" >&5

echo "${ECHO_T}found win32 wpcap" >&6

else

    LIBOBJS="$LIBOBJS libnet_link_none.$ac_objext"

    { echo "$as_me:$LINENO: WARNING: could not find a link-layer packet interface" >&5

echo "$as_me: WARNING: could not find a link-layer packet interface" >&2;}

    { echo "$as_me:$LINENO: WARNING: link-layer packet injection will not be available" >&5

echo "$as_me: WARNING: link-layer packet injection will not be available" >&2;}

fi