================ @@ -49,7 +48,25 @@ #define __need_rsize_t #endif #define __need_wchar_t +#if !defined(__STDDEF_H) && !__building_module(_Builtin_stddef) ---------------- ian-twilightcoder wrote:
clang/test/Modules/stddef.cpp shows how even if we've already had a full include of the entirety of `<stddef.h>`, we still `__need` everything. It also shows that you're right and `__building_module(_Builtin_stddef)` doesn't work, but `__has_feature(modules)` does. https://github.com/llvm/llvm-project/pull/99727 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
