target_arch=$(get_target_arch ${target})
eval cross_toolchain=\$CROSS_COMPILE_`echo $target_arch | tr '[:lower:]' '[:upper:]'`
if [ "${cross_toolchain}" ] ; then
target_arch=$(get_target_arch ${target})
eval cross_toolchain=\$CROSS_COMPILE_`echo $target_arch | tr '[:lower:]' '[:upper:]'`
if [ "${cross_toolchain}" ] ; then