From mboxrd@z Thu Jan 1 00:00:00 1970 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) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:user-agent:in-reply-to :references:mime-version:content-transfer-encoding; bh=gUe/+hq8F+czjGxLBnP17e6ZwzroAKFmzn/LWDaxw4I=; b=hZeDCesp/n25TO5C68raeGmggGWMJFWrsGA+ip4PhOSP7WonkwOEEN3IHD9E2unoHU do4yLaX+YkIlCOcLgaz9oIyROh7qxVE0HkLB9K56qcbCXE2vTHXLYO2N7eHLSoIFRZlg kUiCV5e+Iru8XMEvkiDh7RDM3r6Ocu6uHRLrW2GGc5er1U3pZHDPAK8jtay1q09dQ6+n y4BWU29g59IqKRElwhO6qs/VZdTxDvBsKa+b3i/8sUYgO199wSlJLLxwN48nG4YN2LLX jGBCeh76ypKpdlgLOJj3psSXn2glASGMg1rWa3fU29KYBEYByXTDDZ5SjgulxbMDWfRw BtEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:user-agent :in-reply-to:references:mime-version:content-transfer-encoding; bh=gUe/+hq8F+czjGxLBnP17e6ZwzroAKFmzn/LWDaxw4I=; b=TUz3hHc9PHGX7/5RRyVXf3aVE7vspch6HMxRtYeNS0dH1tVBOBtw9C+kKnQCfwlEpw owb6eO5fbh1iKW79BDalgUKH6fFhqBeaRBceWm9e2RbyxDVp6rSsLVHIIXi3XRSFALOW 9ME/e0LoUNRm9uCBEqpakN05K8XlJag80X0EX4oT++JXOSxRlQC9Ap2rPsfHO0LJKTVw 3pWidLmMS7NJmu95QYHe9lHdeQRRXa8nnpRdfjamYLv6ldYIKu3fgBZoK5Qy68UN3UkQ WsnIli2LDsNlAg4HWbjqgN/xf3AN37QFwvxwN8sxMGaq4r1iOeequpchClXX7G7Rer+U 1Fkw== X-Gm-Message-State: AEkoouue0piYcB2hyRugZhpSkiLSDTRH3Bha3exqM8HjJnUsZvPyfXX9XH0PL+oVGqjGbUoD X-Received: by 10.28.223.9 with SMTP id w9mr16216284wmg.65.1471869392956; Mon, 22 Aug 2016 05:36:32 -0700 (PDT) Received: from xps13.localnet (171.17.90.79.rev.sfr.net. [79.90.17.171]) by smtp.gmail.com with ESMTPSA id a2sm23780878wjg.46.2016.08.22.05.36.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Aug 2016 05:36:31 -0700 (PDT) From: Thomas Monjalon To: "Pattan, Reshma" Cc: dev@dpdk.org Date: Mon, 22 Aug 2016 14:36:29 +0200 Message-ID: <4688161.1QGC1dzfkE@xps13> User-Agent: KMail/4.14.10 (Linux/4.5.4-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: <3AEA2BF9852C6F48A459DA490692831F010728ED@IRSMSX109.ger.corp.intel.com> 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-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH] mk: gcc -march support for intel processors code names X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Aug 2016 12:36:33 -0000 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