diff --git a/TODOs b/TODOs
index dec695e761bd6c566e4e6489890a3c47a0751783..42528d35e14cf2c887b4eaa1db6c2e20dc1a795e 100644
--- a/TODOs
+++ b/TODOs
@@ -6,7 +6,6 @@
 
 - CommandQueue.set_property
 - ?LocalMemory
-- get_apple_cgl_share_group
 - GLBuffer
 - GLRenderBuffer
 - GLTexture
diff --git a/pyopencl/c_wrapper/wrap_cl_gl_core.h b/pyopencl/c_wrapper/wrap_cl_gl_core.h
index bacfdda5b1dd33d235edfaf64f08655314e5139f..2a3812344909bfcfe19f330bea3edb421ee4b5e4 100644
--- a/pyopencl/c_wrapper/wrap_cl_gl_core.h
+++ b/pyopencl/c_wrapper/wrap_cl_gl_core.h
@@ -10,3 +10,4 @@ error *enqueue_acquire_gl_objects(
 error *enqueue_release_gl_objects(
     clobj_t *event, clobj_t queue, const clobj_t *mem_objects,
     uint32_t num_mem_objects, const clobj_t *wait_for, uint32_t num_wait_for);
+cl_context_properties get_apple_cgl_share_group();
diff --git a/pyopencl/cffi_cl.py b/pyopencl/cffi_cl.py
index 8438355c1fc727e40876f4e89b15d94c8a9a05b4..0f5023256fff212b52e50bb7cfd94d669f59c121 100644
--- a/pyopencl/cffi_cl.py
+++ b/pyopencl/cffi_cl.py
@@ -1468,6 +1468,10 @@ if _lib.have_gl():
         _lib.enqueue_acquire_gl_objects)
     enqueue_release_gl_objects = _create_gl_enqueue(
         _lib.enqueue_release_gl_objects)
+    try:
+        get_apple_cgl_share_group = _lib.get_apple_cgl_share_group
+    except AttributeError:
+        pass
 
 # }}}
 
diff --git a/src/c_wrapper/gl_obj.cpp b/src/c_wrapper/gl_obj.cpp
index 7358011b52a0364bd30a756b8ce0e81bd38a0624..6864f0d54cffeecca3909e3102770e9067513d8d 100644
--- a/src/c_wrapper/gl_obj.cpp
+++ b/src/c_wrapper/gl_obj.cpp
@@ -231,3 +231,14 @@ have_gl()
     return 0;
 #endif
 }
+
+#ifdef __APPLE__
+cl_context_properties
+get_apple_cgl_share_group()
+{
+    CGLContextObj kCGLContext = CGLGetCurrentContext();
+    CGLShareGroupObj kCGLShareGroup = CGLGetShareGroup(kCGLContext);
+
+    return (cl_context_properties)kCGLShareGroup;
+}
+#endif /* __APPLE__ */
diff --git a/src/c_wrapper/gl_obj.h b/src/c_wrapper/gl_obj.h
index f14637a54da3325e91ae600e98c96c5b310b298b..c82aa9b176816cacae0f4cdf1aa294f4f4629b8a 100644
--- a/src/c_wrapper/gl_obj.h
+++ b/src/c_wrapper/gl_obj.h
@@ -9,17 +9,6 @@ namespace pyopencl {
 
 // {{{ gl interop
 
-#ifdef __APPLE__
-static PYOPENCL_INLINE cl_context_properties
-get_apple_cgl_share_group()
-{
-    CGLContextObj kCGLContext = CGLGetCurrentContext();
-    CGLShareGroupObj kCGLShareGroup = CGLGetShareGroup(kCGLContext);
-
-    return (cl_context_properties)kCGLShareGroup;
-}
-#endif /* __APPLE__ */
-
 class gl_buffer : public memory_object {
 public:
     PYOPENCL_DEF_CL_CLASS(GL_BUFFER);