https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107089
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >I found it when I tried to use the CPP as a general-purpose macro. Well it is not designed to be a general purpose macro processor. You might want to try something like m4 instead. https://en.wikipedia.org/wiki/M4_(computer_language) Or any other that are already general-purpose macro processors: https://en.wikipedia.org/wiki/General-purpose_macro_processor
