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