diff --git a/lib/rb/ext/extconf.rb b/lib/rb/ext/extconf.rb
new file mode 100644
index 0000000..07558b8
--- /dev/null
+++ b/lib/rb/ext/extconf.rb
@@ -0,0 +1,26 @@
+# 
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# 
+
+require 'mkmf'
+
+$CFLAGS = "-g -O2 -Wall -Werror"
+
+have_func("strlcpy", "string.h")
+
+create_makefile 'thrift_native'