CallerMemberName in .NET 4.0 not working

Question

I am trying to use CallerMemberName attribute in .NET 4.0 via BCL portability pack. It is always returning an empty string instead of the member name. What am I doi

Answer 1

Targeting 4.0 works just fine if you add:

namespace System.Runtime.CompilerServices {
    sealed class CallerMemberNameAttribute : Attribute { }
}