https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69881
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Bernd Edlinger from comment #3) > or > > #undef all these __need_XXX before including stddef.h, > after all it is a bit bogus ghat gmp.h does: > > #define __need_size_t /* tell gcc stddef.h we only want size_t */ > #include <cstddef> /* for size_t */ That is bogus. > is cstddef supposed to honor __need_size_t at all? No.
