Most basic distutils test.

Cython/Compiler/Dependencies.py

@@ -226,7 +226,10 @@ def create_dependency_tree(ctx):
         _dep_tree = DependencyTree(ctx)
     return _dep_tree
 
-def create_extension_list(filepatterns, ctx):
+def create_extension_list(filepatterns, ctx=None):
+    if ctx is None:
+        from Cython.Compiler.Main import Context
+        ctx = Context(["."])
     deps = create_dependency_tree(ctx)
     if isinstance(filepatterns, str):
         filepatterns = [filepatterns]

tests/build/basic_distutils.srctree

+PYTHON setup.py build_ext --inplace
+PYTHON -c "import a"
+
+######## setup.py ########
+
+from distutils.core import setup
+from distutils.extension import Extension
+from Cython.Distutils import build_ext
+
+setup(
+  cmdclass = {'build_ext': build_ext},
+  ext_modules = [Extension("a", ["a.pyx"])],
+)
+
+######## a.pyx ########
+