ofproto-dpif: Use sequence number to wake up main thread for

[sliver-openvswitch.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 8f41e33..e6bed37 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -134,10 +134,10 @@ AC_DEFUN([OVS_CHECK_LINUX], [
     AC_MSG_RESULT([$kversion])
 
     if test "$version" -ge 3; then
-       if test "$version" = 3 && test "$patchlevel" -le 12; then
+       if test "$version" = 3 && test "$patchlevel" -le 13; then
           : # Linux 3.x
        else
-         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.12.x is not supported])
+         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.13.x is not supported (please refer to the FAQ for advice)])
        fi
     else
        if test "$version" -le 1 || test "$patchlevel" -le 5 || test "$sublevel" -le 31; then
@@ -157,6 +157,32 @@ AC_DEFUN([OVS_CHECK_LINUX], [
   AM_CONDITIONAL(LINUX_ENABLED, test -n "$KBUILD")
 ])
 
+dnl OVS_CHECK_DPDK
+dnl
+dnl Configure DPDK source tree
+AC_DEFUN([OVS_CHECK_DPDK], [
+  AC_ARG_WITH([dpdk],
+              [AC_HELP_STRING([--with-dpdk=/path/to/dpdk],
+                              [Specify the DPDP build directory])])
+
+  if test X"$with_dpdk" != X; then
+    RTE_SDK=$with_dpdk
+
+    DPDK_INCLUDE=$RTE_SDK/include
+    DPDK_LIB_DIR=$RTE_SDK/lib
+    DPDK_LIBS="$DPDK_LIB_DIR/libintel_dpdk.a"
+
+    LIBS="$DPDK_LIBS $LIBS"
+    CPPFLAGS="-I$DPDK_INCLUDE $CPPFLAGS"
+
+    AC_DEFINE([DPDK_NETDEV], [1], [System uses the DPDK module.])
+  else
+    RTE_SDK=
+  fi
+
+  AM_CONDITIONAL([DPDK_NETDEV], test -n "$RTE_SDK")
+])
+
 dnl OVS_GREP_IFELSE(FILE, REGEX, [IF-MATCH], [IF-NO-MATCH])
 dnl
 dnl Greps FILE for REGEX.  If it matches, runs IF-MATCH, otherwise IF-NO-MATCH.