> Have you come across any name clashes with PowerTOP? I try to clean-up source files generally which tamper with the reserved name space in the programming languages "C" and "C++". > Can you reproduce the error? I suggest to reconsider an other technical aspect. Are you aware of an interpretation of the corresponding standard specifications that a questionable name selection could result in undefined behaviour? https://www.securecoding.cert.org/confluence/display/seccode/CC.+Undefined+Behavior#CC.UndefinedBehavior-ub_106 How would you try to reproduce anything when a detail was marked as potentially undefined? Regards, Markus