diff options
Diffstat (limited to 'gcc/ginclude/stddef.h')
| -rw-r--r-- | gcc/ginclude/stddef.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h index 0d53103..bacf24d 100644 --- a/gcc/ginclude/stddef.h +++ b/gcc/ginclude/stddef.h @@ -89,6 +89,21 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #undef _PTRDIFF_T_ #endif +/* When modular code is enabled with macOS SDKs from version 15, the + include guards are set in the includers of this code, rather than as + part of it. This means the we must unset them or the intended code + here will be bypassed (resulting in undefined values). */ +#if defined (__APPLE__) +# if defined(__has_feature) && __has_feature(modules) +# if defined (__need_ptrdiff_t) +# undef __PTRDIFF_T +# endif +# if defined (__need_size_t) +# undef __SIZE_T +# endif +# endif +#endif + /* On VxWorks, <type/vxTypesBase.h> may have defined macros like _TYPE_size_t which will typedef size_t. fixincludes patched the vxTypesBase.h so that this macro is only defined if _GCC_SIZE_T is |