ECLIPSE=eclipse-cpp-mars-2-linux-gtk-x86_64.tar.gz ECLIPSE_CHECKSUM=**82ecb7c19323004e08fd1bbac8564820** ${ECLIPSE}: curl -LO "$(ECLIPSE_URL)" @SUM=$$(md5sum $(ECLIPSE) | awk '{print **toupper**($$1)}'); \ if [ "$$SUM" != "$(ECLIPSE_CHECKSUM)" ]; then echo "Checksum doesn't match.";