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* [dpdk-dev] [PATCH] build: set -mfpu=neon flag for armv7a builds
@ 2018-11-15 16:54 Luca Boccassi
  2018-11-15 19:29 ` Christian Ehrhardt
  0 siblings, 1 reply; 3+ messages in thread
From: Luca Boccassi @ 2018-11-15 16:54 UTC (permalink / raw)
  To: dev
  Cc: bruce.richardson, pbhagavatula, jerin.jacob, christian.ehrhardt,
	Luca Boccassi, stable

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-11-18 14:32 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-11-15 16:54 [dpdk-dev] [PATCH] build: set -mfpu=neon flag for armv7a builds Luca Boccassi
2018-11-15 19:29 ` Christian Ehrhardt
2018-11-18 14:32   ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon

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