After writing the previous posts about getting some of the infrastructure working for non Windows systems, I’ve seen better ways of getting it to work. Instead of using a netfx.props file, you can use a Directory.Build.props with platform specific configuration as seen in for instance FSharp.Compiler.Service: <Project> <!-- mono --> <PropertyGroup Condition="'$(OS)' == 'Unix'"> <MonoRoot Condition="'$(MonoRoot)' == '' and $([MSBuild]::IsOsPlatform('Linux'))">/usr</MonoRoot> <MonoRoot Conditio[...]