--- configure.orig
+++ configure
@@ -3090,7 +3090,7 @@ SRC_PATH="$source_path"
 SRC_PATH_BARE=$source_path
 BUILD_ROOT="$PWD"
 CC_IDENT=$cc_ident
-ARCH=$arch
+FFMPEG_ARCH=$arch
 CC=$cc
 AS=$as
 LD=$ld