Hi Zack, > My fault. The lines in question are > > install_value ("__SIZE_TYPE__", SIZE_TYPE); > install_value ("__PTRDIFF_TYPE__", PTRDIFF_TYPE); > > h8300.h defines NO_BUILTIN_SIZE_TYPE, tradcpp.c doesn't test it. > > Please try this patch. Thank you very much. The patch cured the h8300 stuff. Thanks, Kazu Hirata