From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12987 invoked by alias); 18 Apr 2010 18:58:11 -0000 Received: (qmail 12977 invoked by uid 22791); 18 Apr 2010 18:58:11 -0000 X-SWARE-Spam-Status: No, hits=0.3 required=5.0 tests=BAYES_05,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SARE_MSGID_LONG45 X-Spam-Check-By: sourceware.org Received: from mail-bw0-f218.google.com (HELO mail-bw0-f218.google.com) (209.85.218.218) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 18 Apr 2010 18:58:07 +0000 Received: by bwz10 with SMTP id 10so4141167bwz.4 for ; Sun, 18 Apr 2010 11:58:04 -0700 (PDT) MIME-Version: 1.0 Received: by 10.204.63.14 with HTTP; Sun, 18 Apr 2010 11:58:03 -0700 (PDT) In-Reply-To: <4BCB51C6.90504@piments.com> References: <4BCB51C6.90504@piments.com> Date: Sun, 18 Apr 2010 18:58:00 -0000 Received: by 10.204.161.211 with SMTP id s19mr3878047bkx.129.1271617083948; Sun, 18 Apr 2010 11:58:03 -0700 (PDT) Message-ID: Subject: Re: -mfloat-abi=softfp From: Martin Guy To: "ng@piments.com" Cc: Crossgcc list Content-Type: text/plain; charset=ISO-8859-1 X-IsSubscribed: yes Mailing-List: contact crossgcc-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: crossgcc-owner@sourceware.org X-SW-Source: 2010-04/txt/msg00114.txt.bz2 On 4/18/10, ng@piments.com wrote: > I am experimenting with building a toolchain with maverick enabled based on > patching gcc according to Martin Guy's patch set. > http://martinwguy.co.uk/martin/crunch/ > > He suggests using -mfpu=maverick -mfloat-abi=softfp > > I am having difficulty locating this in ct-ng menuconfig. There is HW or SW > option but help does not say what switches this actually corresponds to. I > suspect it is something other than -mfloat-abi so should I supply this as an > extra CFLAG ? Those are flags that need to be passed to the new gcc that you build, when it is run to generate ARM/Maverick code. As far as ct-ng is concerned, assuming you're building a usual cross-compiler, they would need to be used while cross-compiling the C library that will be used on the target system - that is the option you need to locate; it'll probably be called LIBCFLAGS or something like that; M -- For unsubscribe information see http://sourceware.org/lists.html#faq