private void CompileBuildFileConverter()
{
var sourceFiles = new FileSet();
sourceFiles.Include(directory_src_converter).RecurseAllSubDirectories.Filter("*.cs");
Task.Build.Csc.Target.Executable(x => x
.AddSources(sourceFiles)
.IncludeDebugSymbols
.AddRefences(thirdparty_rhino, thirdparty_nunit)
.OutputFileTo(assembly_BuildFileConverter_WithTests)
);
}