Lucent nmake is a make tool that has the ability to store state between makes. Thus it is able to better optimize the make process.
It is not related to Microsoft nmake other than sharing the heritage of being a make program. The syntax is not 100% compatible to my knowledge.
To learn more, see lucent's site:
http://www1.bell-labs.com/project/nmake/
-- RonPerrella? - 11 Sep 2004