diff --git a/ext/tox/extconf.rb b/ext/tox/extconf.rb
new file mode 100755
index 0000000..5e9f8cc
--- /dev/null
+++ b/ext/tox/extconf.rb
@@ -0,0 +1,7 @@
+#!/usr/bin/env ruby
+
+require 'mkmf'
+
+NAME = 'tox'
+
+create_makefile "#{NAME}/#{NAME}"
diff --git a/ext/tox/tox.c b/ext/tox/tox.c
new file mode 100644
index 0000000..532f7e0
--- /dev/null
+++ b/ext/tox/tox.c
@@ -0,0 +1,7 @@
+#include <ruby.h>
+
+void Init_tox();
+
+void Init_tox()
+{
+}