+ elif [ "${option%%=*}" = '--build' ] ; then
+ build_option="${option#*=}"
+ case ${build_option} in
+ *-*-*) ;;
+ *)
+ echo "Unrecognized value for --build option: ${build_option}"
+ echo "Should be: <cpu>-<vendor>-<os>"
+ echo "See:"
+ echo " $0 --help"
+ echo ""
+ exit 1
+ esac
+ build_cpu=${build_option%%-*}
+ build_option=${build_option#*-}
+ build_vendor=${build_option%%-*}
+ build_os=${build_option#*-}