--- libav-9.1.ebuild	2013-02-22 18:52:01.984322151 +0100
+++ libav-9.1-r1.ebuild	2013-02-22 18:52:17.450988582 +0100
@@ -225,17 +225,6 @@
 	# Option to force building pic
 	use pic && myconf+=" --enable-pic"
 
-	# Try to get cpu type based on CFLAGS.
-	# Bug #172723
-	# We need to do this so that features of that CPU will be better used
-	# If they contain an unknown CPU it will not hurt since ffmpeg's configure
-	# will just ignore it.
-	for i in $(get-flag march) $(get-flag mcpu) $(get-flag mtune) ; do
-		[[ "${i}" == "native" ]] && i="host" # bug #273421
-		myconf+=" --cpu=${i}"
-		break
-	done
-
 	# cross compile support
 	if tc-is-cross-compiler ; then
 		myconf+=" --enable-cross-compile --arch=$(tc-arch-kernel) --cross-prefix=${CHOST}-"