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configure: detect nasm vs yasm and set flags correspondingly

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Originally committed as revision 25213 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-09-26 21:01:24 +00:00
parent 3288177150
commit b6c0689456
1 changed files with 16 additions and 7 deletions
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23
configure vendored
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@ -2606,14 +2606,23 @@ EOF
check_asm bswap '"bswap %%eax" ::: "%eax"'
YASMFLAGS="-f $objformat"
enabled x86_64 && append YASMFLAGS "-m amd64"
enabled pic && append YASMFLAGS "-DPIC"
test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
case "$objformat" in
elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
esac
if ! disabled_any asm mmx yasm; then
if check_cmd $yasmexe --version; then
enabled x86_64 && yasm_extra="-m amd64"
yasm_debug="-g dwarf2"
elif check_cmd nasm -v; then
yasmexe=nasm
yasm_debug="-g -F dwarf"
enabled x86_64 && test "$objformat" = elf && objformat=elf64
fi
YASMFLAGS="-f $objformat $yasm_extra"
enabled pic && append YASMFLAGS "-DPIC"
test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
case "$objformat" in
elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
esac
check_yasm "pabsw xmm0, xmm0" && enable yasm ||
die "yasm not found, use --disable-yasm for a crippled build"
fi