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.";