From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <luca.boccassi@gmail.com>
Received: from mail-wr1-f66.google.com (mail-wr1-f66.google.com
[209.85.221.66]) by dpdk.org (Postfix) with ESMTP id EEE5C2BD8;
Thu, 15 Nov 2018 17:54:40 +0100 (CET)
Received: by mail-wr1-f66.google.com with SMTP id v6so106278wrr.12;
Thu, 15 Nov 2018 08:54:40 -0800 (PST)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20161025;
h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version
:content-transfer-encoding;
bh=2CKBIykAatA49HTVHies1zjlVx/bXYVHh7y3Ogxs8E8=;
b=SOx8991dLpIFbMa48Pg1JcsltObZx1N21OdkJuwBIuCO7NEpdpvibsMkiCN26Hq7AD
5duWkWM0Z619ByY/06wavkgfs1Ue3TTPUgXbZQZopVzW3MeTqsyRDxIngJ9NI1+S702c
qWACnlzjJqiAIh7aeXi7/u9P4QtukhEp1dxbh9coBW9EmDCMqI6/OqMYD2NHwQPTeaui
MuweDaG87w0sxh740/dakNRgdbWUubFodhQusc9XIVvlOw0Ws1ynwXtpa9BJMbOTjHcY
0Qk5+sB3H8zs9AZlB++AlYcO634ANzGmZ903ergHHI9/Kxg6T1+5E2tpDnHtUmpX1t9V
CM7Q==
X-Gm-Message-State: AA+aEWacJKnMg5YAuZClNi1nMvBj5yvB33kTcP+gtn5S1lqYcdf3FXcr
xIcZmVsZbetuhCoCNg/DN/wGpm8z
X-Google-Smtp-Source: AFSGD/U6WF87/s3IZb3VvRZ7az7iJURZpOqVVLfRmq16tZ0oSw3yvhUOOhKyt+pfDnAiI+R3kaYm6A==
X-Received: by 2002:adf:f28d:: with SMTP id k13mr4623123wro.78.1542300880091;
Thu, 15 Nov 2018 08:54:40 -0800 (PST)
Received: from localhost ([2a01:4b00:f419:6f00:8361:8946:ba2b:d556])
by smtp.gmail.com with ESMTPSA id t187-v6sm16687041wmt.45.2018.11.15.08.54.39
(version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256);
Thu, 15 Nov 2018 08:54:39 -0800 (PST)
From: Luca Boccassi <bluca@debian.org>
To: dev@dpdk.org
Cc: bruce.richardson@intel.com, pbhagavatula@caviumnetworks.com,
jerin.jacob@caviumnetworks.com, christian.ehrhardt@canonical.com,
Luca Boccassi <bluca@debian.org>, stable@dpdk.org
Date: Thu, 15 Nov 2018 16:54:18 +0000
Message-Id: <20181115165418.25195-1-bluca@debian.org>
X-Mailer: git-send-email 2.19.1
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Subject: [dpdk-dev] [PATCH] build: set -mfpu=neon flag for armv7a builds
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
<mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
<mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Thu, 15 Nov 2018 16:54:41 -0000
Building on armv7a with meson currenctly fails:
/usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:10369:1: error:
inlining failed in call to always_inline ‘vld1q_s32’: target
specific option mismatch
Set -mfpu=neon on that architecture like the legacy makefiles do to fix
the issue.
Fixes: b1d48c41189a ("build: support ARM with meson")
Cc: stable@dpdk.org
Signed-off-by: Luca Boccassi <bluca@debian.org>
---
config/arm/meson.build | 3 +++
1 file changed, 3 insertions(+)
diff --git a/config/arm/meson.build b/config/arm/meson.build
index 4b23b3954..b75513855 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -89,6 +89,9 @@ if cc.sizeof('void *') != 8
dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
dpdk_conf.set('RTE_ARCH_ARM', 1)
dpdk_conf.set('RTE_ARCH_ARMv7', 1)
+ # the minimum architecture supported, armv7-a, needs the following,
+ # mk/machine/armv7a/rte.vars.mk sets it too
+ machine_args += '-mfpu=neon'
else
dpdk_conf.set('RTE_CACHE_LINE_SIZE', 128)
dpdk_conf.set('RTE_ARCH_ARM64', 1)
--
2.19.1