--- a/acinclude.m4
+++ b/acinclude.m4
@@ -892,6 +892,8 @@ case $PLATFORM in
case "x`uname -r`" in
changequote(, )dnl
x2.[23456789]* ) ;;
+changequote(, )dnl
+ x3.* ) ;;
changequote([, ])
* ) braindead=yes ;;
esac