Fix makefile and add setup.cfg.
diff --git a/Makefile b/Makefile
index d653093..a0d4ebd 100644
--- a/Makefile
+++ b/Makefile
@@ -9,19 +9,19 @@
 	${PYTHON} setup.py build ${PARAMETERS}
 
 buildext:
-	${PYTHON} setup_ext.py build ${PARAMETERS}
+	${PYTHON} setup_with_libyaml.py build ${PARAMETERS}
 
 force:
 	${PYTHON} setup.py build -f ${PARAMETERS}
 
 forceext:
-	${PYTHON} setup_ext.py build -f ${PARAMETERS}
+	${PYTHON} setup_with_libyaml.py build -f ${PARAMETERS}
 
 install: build
 	${PYTHON} setup.py install ${PARAMETERS}
 
 installext: buildext
-	${PYTHON} setup_ext.py install ${PARAMETERS}
+	${PYTHON} setup_with_libyaml.py install ${PARAMETERS}
 
 test: build
 	${PYTHON} tests/test_build.py ${TEST}
@@ -37,4 +37,3 @@
 
 clean:
 	${PYTHON} setup.py clean -a
-
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