Win: Special case for cffi

Author: jayvdb

pyoxidizer/src/distutils/_msvccompiler.py

@@ -590,6 +590,11 @@ def extension_link_shared_object(self,
         # directory that doesn't outlive this process.
         object_paths = []
         for i, o in enumerate(objects):
+            if 'libffi_msvc' in o:
+                print('Ignored static {}'.format(o))
+                # https://github.com/indygreg/python-build-standalone/issues/23
+                # Library 'ffi' should be added here
+                continue
             o = o + '.static'
             p = os.path.join(dest_path, '%s.%d.o' % (name, i))
             shutil.copyfile(o, p)