[FFmpeg-cvslog] configure: check yasm/nasm for working pextrd opcode

Anssi Hannula git
Wed Feb 9 04:00:08 CET 2011


ffmpeg | branch: master | Anssi Hannula <anssi.hannula at iki.fi> | Sun Feb  6 07:58:02 2011 +0200| [5fb06ffac7af5a8c6f21e6d0a2dd8c938fdde3f8] | committer: Michael Niedermayer

configure: check yasm/nasm for working pextrd opcode

NASM versions older than 2.08 fail to build ffmpeg with several
"error: operation size not specified" errors but this is not caught in
configure.

Fix that by checking if "pextrd [eax], xmm0, 1" works in configure.

Signed-off-by: Ronald S. Bultje <rsbultje at gmail.com>
(cherry picked from commit 48545a8f724247853c5b1d4e0a24e3ea3ee06515)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5fb06ffac7af5a8c6f21e6d0a2dd8c938fdde3f8
---

 configure |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/configure b/configure
index e68d568..2f1263f 100755
--- a/configure
+++ b/configure
@@ -2672,7 +2672,7 @@ EOF
             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
         esac
 
-        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
+        check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
             die "yasm not found, use --disable-yasm for a crippled build"
     fi
 




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