From 4e514a095696217cc59d0b58bb1a9a31d3e7dee0 Mon Sep 17 00:00:00 2001
From: Gabriel Pettier <dev@tangibledisplay.com>
Date: Fri, 13 Mar 2015 18:41:24 +0100
Subject: [PATCH] determine pointer type tag value at compile time

---
 pyobjus/pyobjus_conversions.pxi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pyobjus/pyobjus_conversions.pxi b/pyobjus/pyobjus_conversions.pxi
index 24801f4..f6ac5a6 100644
--- a/pyobjus/pyobjus_conversions.pxi
+++ b/pyobjus/pyobjus_conversions.pxi
@@ -184,8 +184,8 @@ cdef convert_to_cy_cls_instance(id ret_id, main_cls_name=None):
 
 
 # Tagged pointers
-ctypedef enum:
-    kCFTaggedObjectID_Integer = (1 << 1) + 1
+kCFTaggedObjectID_Integer = (((<unsigned long long> NSNumber.alloc().initWithInt(0)) & 0xf) >> 4) & 0xf
+
 
 cdef is_tagged_pointer(void *_pointer):
     cdef unsigned long long pointer = <unsigned long long>_pointer