On Fri, May 09, 2025 at 09:32:50PM +0200, Alejandro Colomar wrote: > gcc/ChangeLog: > > * Makefile.in
Missing (USER_H): Add stdcountof.h. > --- /dev/null > +++ b/gcc/ginclude/stdcountof.h > @@ -0,0 +1,31 @@ > +/* Copyright (C) 2025 Free Software Foundation, Inc. > + > +This file is part of GCC. > + > +GCC is free software; you can redistribute it and/or modify > +it under the terms of the GNU General Public License as published by > +the Free Software Foundation; either version 3, or (at your option) > +any later version. > + > +GCC is distributed in the hope that it will be useful, > +but WITHOUT ANY WARRANTY; without even the implied warranty of > +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > +GNU General Public License for more details. > + > +Under Section 7 of GPL version 3, you are granted additional > +permissions described in the GCC Runtime Library Exception, version > +3.1, as published by the Free Software Foundation. > + > +You should have received a copy of the GNU General Public License and > +a copy of the GCC Runtime Library Exception along with this program; > +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see > +<http://www.gnu.org/licenses/>. */ > + > +/* ISO C2Y: 7.21 Array count <stdcountof.h>. */ > + > +#ifndef _STDCOUNTOF_H > +#define _STDCOUNTOF_H This should define also __STDC_VERSION_STDCOUNTOF_H__ macro (guess to 202502L or when the paper has been approved for now or maybe 202500L as something clearly before that). > + > +#define countof _Countof N3550 says The macro countof(...) expands to _Countof(__VA_ARGS__). I believe that means it should be function-like macro and #include <stdcountof.h> int countof = 42; IMHO is valid C2Y source. countof doesn't match any of the J.6.2 patterns, it is listed in J.6.3 instead. Jakub
