如何弥补开发机器和构建服务器之间的环境差异？

I have NUnit installed on my machine in "C:\Program Files\NUnit 2.4.8\" but on my integration server(running CruiseControl.Net) I have it installed in "D:\Program Files\NUnit 2.4.8\". The problem is that on my development machine my NAnt build file works correctly because in the task I'm using the path "C:\Program Files\NUnit 2.4.8\bin\NUnit.Framework.dll" to add reference to the 'NUnit.Framework.dll' assembly but this same build file cannot build the file on my integration server(because the reference path is different). Do I have to have my NUnit installed at the same location as it is in my integration server? This solution seems too restrictive to me. Are there any better ones? What is the general solution to this kind of problem?I have NUnit installed on my machine in "C:\Pro