diff --git a/checkversion.sh b/checkversion.sh
new file mode 100755
index 0000000000..365e3149a3
--- /dev/null
+++ b/checkversion.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+if [ ! -z $1 ] ; then
+    if [ $1 = force ] ; then
+	rm -f .version
+    fi
+fi
+
+version=`svnversion . -n || echo hacked`
+oldversion=`cat .version 2>/dev/null || echo "0"`
+
+if [ $oldversion != $version ] ; then
+    cat src/include/switch_version.h.in | sed "s/@SVN_VERSION@/$version/g" > src/include/switch_version.h
+    echo $version > .version
+fi
+
+
+