Add the pxd's as explicit deps; they don't actually seem to trigger...

Add the pxd's as explicit deps; they don't actually seem to trigger recompilation, at least if just decorators are added.

setup.py

@@ -49,11 +49,13 @@ from _setupares import ARES
 
 
 SEMAPHORE = Extension(name="gevent._semaphore",
-                      sources=["src/gevent/_semaphore.py"])
+                      sources=["src/gevent/_semaphore.py"],
+                      depends=['src/gevent/_semaphore.pxd'])
 SEMAPHORE = cythonize1(SEMAPHORE)
 
 LOCAL = Extension(name="gevent.local",
-                  sources=["src/gevent/local.py"])
+                  sources=["src/gevent/local.py"],
+                  depends=['src/gevent/local.pxd'])
 LOCAL = cythonize1(LOCAL)
 
 EXT_MODULES = [

src/gevent/local.pxd

 # cython: auto_pickle=False
+
+cimport cython
+
+@cython.final
+@cython.internal
 cdef class _wrefdict(dict):
    cdef object __weakref__
 
+@cython.final
+@cython.internal
 cdef class _localimpl:
     cdef str key
     cdef dict dicts