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package/ffmpeg: fix build on riscv32

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Ported patch from OpenEmbedded:
010b068bcc

"ffmpeg 6.0 has added assembly routines which uses rv64i ISA
unconditionally, ideally it should check for ISA before using those
instructions."

Fixes:
https://autobuild.buildroot.org/results/8a7082a0f24ebcf264aeac5e0fea704dc6a6bb1c/

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Julien Olivain <ju.o@free.fr>
(cherry picked from commit 9e84f38be8)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Bernd Kuhls
2024-11-03 11:11:41 +01:00
committed by Peter Korsgaard
parent 985d126cd7
commit 7babcd8937
1 changed files with 5 additions and 0 deletions
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5
package/ffmpeg/ffmpeg.mk
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@@ -529,6 +529,11 @@ else
FFMPEG_CONF_OPTS += --disable-altivec
endif
# Fix build failure on several missing assembly instructions
ifeq ($(BR2_RISCV_32),y)
FFMPEG_CONF_OPTS += --disable-rvv --disable-asm
endif
# Uses __atomic_fetch_add_4
ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
FFMPEG_CONF_OPTS += --extra-libs=-latomic