1 2check-joberr: 3.for _t in 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 4 @-${MAKE} -f ${MAKEFILE} -j2 do-$@ 5.endfor 6 7do-check-joberr: 8 @echo "Error: build failed" 9 @exit 1 10