Issue #27806: Fix 32-bit builds on macOS Sierra 10.12 broken by removal of
deprecated QuickTime/QuickTime.h header file.  Patch by sashk.
diff --git a/Python/mactoolboxglue.c b/Python/mactoolboxglue.c
index 92bf3e8..a38c09a 100644
--- a/Python/mactoolboxglue.c
+++ b/Python/mactoolboxglue.c
@@ -106,7 +106,7 @@
 }
 
 
-#ifndef __LP64__
+#if APPLE_SUPPORTS_QUICKTIME
 OSErr
 PyMac_GetFullPathname(FSSpec *fss, char *path, int len)
 {
@@ -154,7 +154,7 @@
     Py_XDECREF(fs);
     return err;
 }
-#endif /* !__LP64__ */
+#endif /* APPLE_SUPPORTS_QUICKTIME */
 
 /* Convert a 4-char string object argument to an OSType value */
 int
@@ -419,7 +419,7 @@
 GLUE_NEW(GWorldPtr, GWorldObj_New, "Carbon.Qdoffs")
 GLUE_CONVERT(GWorldPtr, GWorldObj_Convert, "Carbon.Qdoffs")
 
-#ifndef __LP64__
+#if APPLE_SUPPORTS_QUICKTIME
 GLUE_NEW(Track, TrackObj_New, "Carbon.Qt")
 GLUE_CONVERT(Track, TrackObj_Convert, "Carbon.Qt")
 GLUE_NEW(Movie, MovieObj_New, "Carbon.Qt")
@@ -432,7 +432,7 @@
 GLUE_CONVERT(UserData, UserDataObj_Convert, "Carbon.Qt")
 GLUE_NEW(Media, MediaObj_New, "Carbon.Qt")
 GLUE_CONVERT(Media, MediaObj_Convert, "Carbon.Qt")
-#endif /* !__LP64__ */
+#endif /* APPLE_SUPPORTS_QUICKTIME */
 
 GLUE_NEW(Handle, ResObj_New, "Carbon.Res")
 GLUE_CONVERT(Handle, ResObj_Convert, "Carbon.Res")