Unknown type name 'class'; did you mean 'Class'?

I have a C++ class declaration in FTracker.h file.

classFTracker// error marks are here

{

};

When I #include/#import this header in my fooUser.mm file, it compiles. When I do #include/#import it in my fooUser.h file it doesn't, and the compiler errors are.

Unknown type name 'class'; did you mean 'Class'?

Excpected ';' after top level declarator.

I'm using XCode 6.0.1 (6A317), LLVM compiler 6.0,...

Anyone give ma a suggestion..