From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932239AbWAPHfr (ORCPT ); Mon, 16 Jan 2006 02:35:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932238AbWAPHfq (ORCPT ); Mon, 16 Jan 2006 02:35:46 -0500 Received: from public.id2-vpn.continvity.gns.novell.com ([195.33.99.129]:48256 "EHLO emea1-mh.id2.novell.com") by vger.kernel.org with ESMTP id S932234AbWAPHfq convert rfc822-to-8bit (ORCPT ); Mon, 16 Jan 2006 02:35:46 -0500 Message-Id: <43CB5B15.76F0.0078.0@novell.com> X-Mailer: Novell GroupWise Internet Agent 7.0 Date: Mon, 16 Jan 2006 08:36:37 +0100 From: "Jan Beulich" To: "Sam Ravnborg" Cc: "Benjamin Herrenschmidt" , "Andi Kleen" , "Andrew Morton" , "Paul Mackerras" , Subject: Re: [PATCH] CONFIG_UNWIND_INFO References: <4370AF4A.76F0.0078.0@novell.com> <20060114045635.1462fb9e.akpm@osdl.org> <20060114140301.GA8443@mars.ravnborg.org> In-Reply-To: <20060114140301.GA8443@mars.ravnborg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >>> Sam Ravnborg 14.01.06 15:03:01 >>> >On Sat, Jan 14, 2006 at 04:56:35AM -0800, Andrew Morton wrote: >> >> > Index: linux/Makefile >> > =================================================================== >> > --- linux.orig/Makefile >> > +++ linux/Makefile >> > @@ -502,6 +502,10 @@ CFLAGS += $(call add-align,CONFIG_CC_AL >> > CFLAGS += $(call add-align,CONFIG_CC_ALIGN_LOOPS,-loops) >> > CFLAGS += $(call add-align,CONFIG_CC_ALIGN_JUMPS,-jumps) >> > >> > +ifdef CONFIG_UNWIND_INFO >> > +CFLAGS += -fasynchronous-unwind-tables >> > +endif >Is this option available on all gcc's for all archs? >Otherwise you have to do: >CFLAGS += $(call cc-option,-fasynchronous-unwind-tables,) Yes, it is (and it has been at least since 3.2.x). Apparently the PPC backend doesn't fully support this... Jan