[Buildroot] [PATCH v2 1/1] ffmpeg: fix neon support for aarch64
Bernd Kuhls
bernd.kuhls at t-online.de
Fri Apr 14 09:30:26 UTC 2017
ffmpeg ported arm 32-bit NEON code to aarch64 as hard dependency:
http://ffmpeg.org/pipermail/ffmpeg-devel/2016-November/202733.html
Buildroot option BR2_ARM_CPU_HAS_NEON handles only the 32bit case:
https://git.buildroot.net/buildroot/commit/?id=0976cd6cd64a128a2ac921e4f35f0e7cbe306692
For aarch64 we need to make sure to pass --enable-neon in order to
prevent a link error, fixes
http://autobuild.buildroot.net/results/fa4/fa46003249664b1f97f6c18253c84cd3d6fb9cdb/
Signed-off-by: Bernd Kuhls <bernd.kuhls at t-online.de>
---
v2: fixed if-clause (Thomas)
v1 "fixed" the problem as well by omitting --disable-neon,
ffmpeg then autodetected neon support ;)
package/ffmpeg/ffmpeg.mk | 2 ++
1 file changed, 2 insertions(+)
diff --git a/package/ffmpeg/ffmpeg.mk b/package/ffmpeg/ffmpeg.mk
index 059f8320e..adc0f5d42 100644
--- a/package/ffmpeg/ffmpeg.mk
+++ b/package/ffmpeg/ffmpeg.mk
@@ -432,6 +432,8 @@ FFMPEG_CONF_OPTS += --disable-vfp
endif
ifeq ($(BR2_ARM_CPU_HAS_NEON),y)
FFMPEG_CONF_OPTS += --enable-neon
+else ifeq ($(BR2_aarch64),y)
+FFMPEG_CONF_OPTS += --enable-neon
else
FFMPEG_CONF_OPTS += --disable-neon
endif
--
2.11.0
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