From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH] mk: gcc -march support for intel processors code names Date: Mon, 22 Aug 2016 14:36:29 +0200 Message-ID: <4688161.1QGC1dzfkE@xps13> References: <1471273328-16390-1-git-send-email-reshma.pattan@intel.com> <4141702.2z8BGRLWcg@xps13> <3AEA2BF9852C6F48A459DA490692831F010728ED@IRSMSX109.ger.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: "Pattan, Reshma" Return-path: Received: from mail-wm0-f46.google.com (mail-wm0-f46.google.com [74.125.82.46]) by dpdk.org (Postfix) with ESMTP id 3870E2BDB for ; Mon, 22 Aug 2016 14:36:33 +0200 (CEST) Received: by mail-wm0-f46.google.com with SMTP id f65so118545911wmi.0 for ; Mon, 22 Aug 2016 05:36:33 -0700 (PDT) In-Reply-To: <3AEA2BF9852C6F48A459DA490692831F010728ED@IRSMSX109.ger.corp.intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 2016-08-22 11:46, Pattan, Reshma: > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com] > > 2016-08-15 16:02, Reshma Pattan: > > > The GCC 4.9 -march option supports the intel code names for > > > processors, for example -march=silvermont, -march=broadwell. > > > The RTE_MACHINE config flag can be used to pass code name to the > > > compiler as -march flag. Also old gcc versions compatibility code for > > > the intel platform is removed from > > > mk/toolchain/gcc/rte.toolchain-compat.mk > > > > Do you mean to not support GCC < 4.9 ? > > Yes. It can be discussed but you must, at least, update the requirements: http://dpdk.org/doc/guides/linux_gsg/sys_reqs.html#compilation-of-the-dpdk