datapath: Move kernel version check to configure.

[sliver-openvswitch.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 6033bfa..8145340 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -134,14 +134,16 @@ AC_DEFUN([OVS_CHECK_LINUX], [
     AC_MSG_RESULT([$kversion])
 
     if test "$version" -ge 3; then
-       : # Linux 3.x
-    elif test "$version" = 2 && test "$patchlevel" -ge 6; then
-       : # Linux 2.6.x
+       if test "$version" = 3 && test "$patchlevel" -le 10; then
+          : # Linux 3.x
+       else
+         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.10.x is not supported])
+       fi
     else
-       if test "$KBUILD" = "$KSRC"; then
-         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version 2.6 or later is required])
+       if test "$version" -le 1 || test "$patchlevel" -le 5 || test "$sublevel" -le 31; then
+         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version 2.6.32 or later is required])
        else
-         AC_ERROR([Linux kernel in build tree $KBUILD (source tree $KSRC) is version $kversion, but version 2.6 or later is required])
+         : # Linux 2.6.x
        fi
     fi
     if (test ! -e "$KBUILD"/include/linux/version.h && \
@@ -271,6 +273,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_replace4])
   OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_unfold])
 
+  OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [parallel_ops])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [NLA_NUL_STRING])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_get_be16])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be16])