Runtime pyrex -> cython option renaming

Cython/Distutils/build_ext.py

@@ -103,8 +103,6 @@ class build_ext(_build_ext.build_ext):
             "compiler directive overrides"),
         ('pyrex-gdb', None,
          "generate debug information for cygdb"),
-        ('pyrex-compile-time-env', None,
-            "cython compile time environment"),
         ])
 
     boolean_options.extend([
@@ -128,6 +126,19 @@ class build_ext(_build_ext.build_ext):
         self.cython_gdb = False
         self.no_c_in_traceback = 0
         self.cython_compile_time_env = None
+    
+    def __getattr__(self, name):
+        if name[:6] == 'pyrex_':
+            return getattr(self, 'cython_' + name[6:])
+        else:
+            return _build_ext.build_ext.__getattr__(self, name)
+
+    def __setattr__(self, name, value):
+        if name[:6] == 'pyrex_':
+            return setattr(self, 'cython_' + name[6:], value)
+        else:
+            # _build_ext.build_ext.__setattr__(self, name, value)
+            self.__dict__[name] = value
 
     def finalize_options (self):
         _build_ext.build_ext.finalize_options(self)

Cython/Distutils/extension.py

@@ -40,7 +40,7 @@ class Extension(_Extension.Extension):
 
     # When adding arguments to this constructor, be sure to update
     # user_options.extend in build_ext.py.
-    def __init__ (self, name, sources,
+    def __init__(self, name, sources,
             include_dirs = None,
             define_macros = None,
             undef_macros = None,
@@ -65,6 +65,31 @@ class Extension(_Extension.Extension):
             no_c_in_traceback = False,
             cython_compile_time_env = None,
             **kw):
+        
+        # Translate pyrex_X to cython_X for backwards compatibility.
+        had_pyrex_options = False
+        for key in kw.keys():
+            if key.startswith('pyrex_'):
+                had_pyrex_options = True
+                kw['cython' + key[5:]] = kw.pop(key)
+        if had_pyrex_options:
+            Extension.__init__(self, name, sources,
+                include_dirs = include_dirs,
+                define_macros = define_macros,
+                undef_macros = undef_macros,
+                library_dirs = library_dirs,
+                libraries = libraries,
+                runtime_library_dirs = runtime_library_dirs,
+                extra_objects = extra_objects,
+                extra_compile_args = extra_compile_args,
+                extra_link_args = extra_link_args,
+                export_symbols = export_symbols,
+                #swig_opts = swig_opts,
+                depends = depends,
+                language = language,
+                no_c_in_traceback = no_c_in_traceback,
+                **kw)
+            return
 
         _Extension.Extension.__init__(self, name, sources,
             include_dirs = include_dirs,