On OS X, use os.uname() instead of gestalt.sysv(...) to get the

operating system version.  This allows to use ctypes when Python
was configured with --disable-toolbox-glue.

Lib/ctypes/__init__.py

@@ -24,19 +24,12 @@ if _os.name in ("nt", "ce"):
 
 DEFAULT_MODE = RTLD_LOCAL
 if _os.name == "posix" and _sys.platform == "darwin":
-    import gestalt
-
-    # gestalt.gestalt("sysv") returns the version number of the
-    # currently active system file as BCD.
-    # On OS X 10.4.6 -> 0x1046
-    # On OS X 10.2.8 -> 0x1028
-    # See also http://www.rgaros.nl/gestalt/
-    #
     # On OS X 10.3, we use RTLD_GLOBAL as default mode
     # because RTLD_LOCAL does not work at least on some
-    # libraries.
+    # libraries.  OS X 10.3 is Darwin 7, so we check for
+    # that.
 
-    if gestalt.gestalt("sysv") < 0x1040:
+    if int(_os.uname()[2].split('.')[0]) < 8:
         DEFAULT_MODE = RTLD_GLOBAL
 
 from _ctypes import FUNCFLAG_CDECL as _FUNCFLAG_CDECL, \

Misc/NEWS

@@ -272,6 +272,9 @@ Core and builtins
 Library
 -------
 
+- Patch #1203: ctypes now does work on OS X when Python is built with
+  --disable-toolbox-glue
+
 - collections.deque() now supports a "maxlen" argument.
 
 - itertools.count() is no longer bounded to LONG_MAX.  Formerly, it raised