Fix makefile and add setup.cfg.
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..75d6ea1
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,17 @@
+
+# The INCLUDE and LIB directories to build the '_yaml' extension.
+# You may also set them using the options '-I' and '-L'.
+[build_ext]
+
+# List of directories to search for 'yaml.h' (separated by ':').
+#include_dirs=/usr/local/include:../../include
+
+# List of directories to search for 'libyaml.a' (separated by ':').
+#library_dirs=/usr/local/lib:../../lib
+
+
+# An alternative compiler to build the extention.
+#compiler=mingw32
+
+# Additional preprocessor definitions might be required.
+#define=YAML_DECLARE_STATIC
