(gdb-post-prompt): Fix test.

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/progmodes/gdb-ui.el b/lisp/progmodes/gdb-ui.el
index 08a5a2ccbd3..31589184293 100644
--- a/lisp/progmodes/gdb-ui.el
+++ b/lisp/progmodes/gdb-ui.el
@@ -778,7 +778,8 @@ output from the current command if that happens to be appropriate."
         (gdb-invalidate-registers)
         (gdb-invalidate-locals)
         (gdb-invalidate-threads)
-        (unless (eq window-system 'mac)
+        (unless (eq system-type 'darwin) ;Breaks on Darwin's GDB-5.3.
+          ;; FIXME: with GDB-6 on Darwin, this might very well work.
           (dolist (frame (frame-list))
             (when (string-equal (frame-parameter frame 'name) "Speedbar")
               (setq gdb-var-changed t)    ; force update