From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luca Boccassi Subject: [PATCH] build: set -mfpu=neon flag for armv7a builds Date: Thu, 15 Nov 2018 16:54:18 +0000 Message-ID: <20181115165418.25195-1-bluca@debian.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: bruce.richardson@intel.com, pbhagavatula@caviumnetworks.com, jerin.jacob@caviumnetworks.com, christian.ehrhardt@canonical.com, Luca Boccassi , stable@dpdk.org To: dev@dpdk.org Return-path: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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 --- 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