On 4 dec 2006, at 01:18, Mattias Gaertner wrote: > Can someone explain the meaning of > > {$ifc defined __ppc__ and __ppc__} > > ? Semantically, it means {$if defined(__ppc__) and (__ppc__ = true) } You cannot check the value of undefined symbols (at least not in FPC, I believe in GPC and MetroWerks they automatically evaluate to false). Jonas