Re: [Python-Dev] Proposal for virtualenv functionality in Python

Larry Hastings:

But IIUC telling the compiler how to do that is only vaguely standardized--Microsoft's CL.EXE doesn't seem to support any environment variable containing an include /path/.

The INCLUDE environment variable is a list of ';' separated paths http://msdn.microsoft.com/en-us/library/36k2cdd4%28VS.100%29.aspx Neil