diff --git a/releasetools/build_all.sh b/releasetools/build_all.sh
new file mode 100644
index 000000000..01dce9739
--- /dev/null
+++ b/releasetools/build_all.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+#
+# Build script to build less often used build targets to make 
+# sure they still work.
+#