glib's configure.in and G_DISABLE_CAST_CHECKS

[Owen Taylor <otaylor redhat com>]

It looks like like for GLib itself, we never turn on
G_DISABLE_CAST_CHECKS, without regard to the --enable-debug
setting. Isn't something like the following change to 
configure.in desirable?

[ It's sort of trivial since the number of cast checks
  in libgobject is tiny, but.. ]

Regards,
                                        Owen

@@ -222,8 +222,10 @@ if test "x$enable_debug" = "xyes"; then

   GLIB_DEBUG_FLAGS="-DG_ENABLE_DEBUG"
 else
+  GLIB_DEBUG_FLAGS="-DG_DISABLE_CAST_CHECKS"
+
   if test "x$enable_debug" = "xno"; then
-    GLIB_DEBUG_FLAGS="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS"
+    GLIB_DEBUG_FLAGS="$GLIB_DEBUG_FLAGS -DG_DISABLE_ASSERT -DG_DISABLE_CHECKS"
   fi
 fi