Fixed other tests.
diff --git a/tools/make_cmakelists.py b/tools/make_cmakelists.py
index c31b413..15c0cf6 100755
--- a/tools/make_cmakelists.py
+++ b/tools/make_cmakelists.py
@@ -117,6 +117,9 @@
   def proto_library(self, **kwargs):
     pass
 
+  def cc_proto_library(self, **kwargs):
+    pass
+
   def generated_file_staleness_test(self, **kwargs):
     pass