# See the License for the specific language governing permissions and
# limitations under the License.
+dnl OVS_ENABLE_WERROR
+AC_DEFUN([OVS_ENABLE_WERROR],
+ [AC_ARG_ENABLE(
+ [Werror],
+ [AC_HELP_STRING([--enable-Werror], [Add -Werror to CFLAGS])],
+ [], [enable_Werror=no])
+ AC_CONFIG_COMMANDS_PRE(
+ [if test "X$enable_Werror" = Xyes; then
+ CFLAGS="$CFLAGS -Werror"
+ fi])])
+
dnl OVS_CHECK_LINUX26
dnl
dnl Configure linux kernel source tree
fi
AC_MSG_RESULT([2.$patchlevel.$sublevel])
if test "2.$patchlevel" != '2.6'; then
- if test "$BUILD26" = "$KSRC26"; then
+ if test "$KBUILD26" = "$KSRC26"; then
AC_ERROR([Linux kernel in $KBUILD26 is not version 2.6])
else
AC_ERROR([Linux kernel in build tree $KBUILD26 (source tree $KSRC26) is not version 2.6])
OVS_GREP_IFELSE([$KSRC26/include/linux/netdevice.h], [dev_disable_lro])
OVS_GREP_IFELSE([$KSRC26/include/linux/netdevice.h], [dev_get_stats])
+ OVS_GREP_IFELSE([$KSRC26/include/linux/netdevice.h], [dev_get_by_index_rcu])
+ OVS_GREP_IFELSE([$KSRC26/include/linux/rcupdate.h], [rcu_read_lock_held], [],
+ [OVS_GREP_IFELSE([$KSRC26/include/linux/rtnetlink.h],
+ [rcu_read_lock_held])])
+
# Check for the proto_data_valid member in struct sk_buff. The [^@]
# is necessary because some versions of this header remove the
# member but retain the kerneldoc comment that describes it (which
OVS_GREP_IFELSE([$KSRC26/include/linux/skbuff.h], [skb_cow_head])
OVS_GREP_IFELSE([$KSRC26/include/linux/skbuff.h], [skb_transport_header],
[OVS_DEFINE([HAVE_SKBUFF_HEADER_HELPERS])])
+ OVS_GREP_IFELSE([$KSRC26/include/linux/icmpv6.h], [icmp6_hdr],
+ [OVS_DEFINE([HAVE_ICMP6_HDR])])
OVS_GREP_IFELSE([$KSRC26/include/linux/skbuff.h], [skb_warn_if_lro],
[OVS_DEFINE([HAVE_SKB_WARN_LRO])])
+ OVS_GREP_IFELSE([$KSRC26/include/linux/skbuff.h], [consume_skb])
OVS_GREP_IFELSE([$KSRC26/include/linux/string.h], [kmemdup], [],
[OVS_GREP_IFELSE([$KSRC26/include/linux/slab.h], [kmemdup])])
OVS_GREP_IFELSE([$KSRC26/include/net/netlink.h], [nla_get_be16])
OVS_GREP_IFELSE([$KSRC26/include/net/netlink.h], [nla_find_nested])
+ OVS_GREP_IFELSE([$KSRC26/include/linux/if_link.h], [rtnl_link_stats64])
+
+ OVS_GREP_IFELSE([$KSRC26/include/linux/if_vlan.h], [ADD_ALL_VLANS_CMD],
+ [OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
+
OVS_CHECK_LOG2_H
if cmp -s datapath/linux-2.6/kcompat.h.new \
[$1], [ovs_have_cc_option=yes], [ovs_have_cc_option=no])
AM_CONDITIONAL([$2], [test $ovs_have_cc_option = yes])])
dnl ----------------------------------------------------------------------
+
+dnl Check for too-old XenServer.
+AC_DEFUN([OVS_CHECK_XENSERVER_VERSION],
+ [AC_CACHE_CHECK([XenServer release], [ovs_cv_xsversion],
+ [if test -e /etc/redhat-release; then
+ ovs_cv_xsversion=`sed -n 's/^XenServer DDK release \([[^-]]*\)-.*/\1/p' /etc/redhat-release`
+ fi
+ if test -z "$ovs_cv_xsversion"; then
+ ovs_cv_xsversion=none
+ fi])
+ case $ovs_cv_xsversion in
+ none)
+ ;;
+
+ [[1-9]][[0-9]]* | dnl XenServer 10 or later
+ [[6-9]]* | dnl XenServer 6 or later
+ 5.[[7-9]]* | dnl XenServer 5.7 or later
+ 5.6.[[1-9]][[0-9]][[0-9]][[0-9]]* | dnl XenServer 5.6.1000 or later
+ 5.6.[[2-9]][[0-9]][[0-9]]* | dnl XenServer 5.6.200 or later
+ 5.6.1[[0-9]][[0-9]]) dnl Xenserver 5.6.100 or later
+ ;;
+
+ *)
+ AC_MSG_ERROR([This appears to be XenServer $ovs_cv_xsversion, but only XenServer 5.6.100 or later is supported. (If you are really using a supported version of XenServer, you may override this error message by specifying 'ovs_cv_xsversion=5.6.100' on the "configure" command line.)])
+ ;;
+ esac])
+
+dnl OVS_MAKE_HAS_IF([if-true], [if-false])
+dnl
+dnl Checks whether make has the GNU make $(if condition,then,else) extension.
+dnl Runs 'if-true' if so, 'if-false' otherwise.
+AC_DEFUN([OVS_MAKE_HAS_IF],
+ [AC_CACHE_CHECK(
+ [whether ${MAKE-make} has GNU make \$(if) extension],
+ [ovs_cv_gnu_make_if],
+ [cat <<'EOF' > conftest.mk
+conftest.out:
+ echo $(if x,y,z) > conftest.out
+.PHONY: all
+EOF
+ rm -f conftest.out
+ AS_ECHO(["$as_me:$LINENO: invoking ${MAKE-make} -f conftest.mk all:"]) >&AS_MESSAGE_LOG_FD 2>&1
+ ${MAKE-make} -f conftest.mk conftest.out >&AS_MESSAGE_LOG_FD 2>&1
+ AS_ECHO(["$as_me:$LINENO: conftest.out contains:"]) >&AS_MESSAGE_LOG_FD 2>&1
+ cat conftest.out >&AS_MESSAGE_LOG_FD 2>&1
+ result=`cat conftest.out`
+ rm -f conftest.mk conftest.out
+ if test "X$result" = "Xy"; then
+ ovs_cv_gnu_make_if=yes
+ else
+ ovs_cv_gnu_make_if=no
+ fi])
+ AS_IF([test $ovs_cv_gnu_make_if = yes], [$1], [$2])])
+
+dnl OVS_ENABLE_SPARSE
+AC_DEFUN([OVS_ENABLE_SPARSE],
+ [OVS_MAKE_HAS_IF(
+ [AC_CONFIG_COMMANDS_PRE(
+ [: ${SPARSE=sparse}
+ AC_SUBST([SPARSE])
+ CC='$(if $(C),REAL_CC="'"$CC"'" CHECK="$(SPARSE) -I $(top_srcdir)/include/sparse" cgcc,'"$CC"')'])])])
git://git.onelab.eu / sliver-openvswitch.git / blobdiff