Building: To build the driver assembly, run within this directory: csc -filealign:512 -optimize+ -out:Salsa.dll -target:library Driver.cs Or if mono: gmcs -filealign:512 -optimize+ -out:Salsa.dll -target:library Driver.cs No further step are necessary. The file 'Salsa.dll' will be read and embedded from this directory automatically when building the Salsa library.