I just opened someone else\'s Visual Studio project and in their build properties they have a few custom path macro\'s they are using for their include and lib directories.
Here the approach is described with pictures: https://sites.google.com/site/pinyotae/Home/visual-studio-visual-c/create-user-defined-environment-variables-macros
In Visual Studio you need to:
Here is a tutorial on Project Property Sheets: http://www.dorodnic.com/blog/2014/03/20/visual-studio-macros/