# See the License for the specific language governing permissions and
# limitations under the License.
-AC_PREREQ(2.64)
+AC_PREREQ(2.63)
AC_INIT(openvswitch, 2.3.90, bugs@openvswitch.org)
AC_CONFIG_SRCDIR([datapath/datapath.c])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_TESTDIR([tests])
AM_INIT_AUTOMAKE
-AC_PROG_CC
+AC_PROG_CC_C99
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_MKDIR_P
OVS_CHECK_RUNDIR
OVS_CHECK_DBDIR
OVS_CHECK_BACKTRACE
-OVS_CHECK_MALLOC_HOOKS
OVS_CHECK_VALGRIND
OVS_CHECK_SOCKET_LIBS
OVS_CHECK_XENSERVER_VERSION