x86: Require an assembler able to cope with AVX instructions

All modern assemblers have this capability.  Older NASM versions
that lack the capability produce code that crashes at runtime,
so it's better to error out during the build process instead.

(cherry picked from commit e287201c77)

Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Diego Biurrun
2012-11-11 22:41:46 +01:00
parent d6e250abfc
commit 7b91e52eb9

3
configure vendored
View File

@@ -2739,9 +2739,8 @@ EOF
elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
esac
check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
die "yasm not found, use --disable-yasm for a crippled build"
check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
fi
case "$cpu" in