home › Forums › # Technical Support › C3646 – unknown override specifier in Complexity.h › Reply To: C3646 – unknown override specifier in Complexity.h
You need to define the variables for your project.
/DFL_IMPORT_LIBRARY /DFL_CPP98=ON. I am not sure how you do that in VS, but surely google knows. I think this link might help: https://msdn.microsoft.com/en-us/library/hhzbb5c8.aspx