On 3 February 2015 at 13:49, Renlin Li <renlin...@arm.com> wrote: > On 01/02/15 15:08, Jonathan Wakely wrote: >> >> I failed to CC gcc-patches on this patch ... >> >> On 29/01/15 13:02 +0000, Jonathan Wakely wrote: >> >> diff --git >> a/libstdc++-v3/testsuite/17_intro/headers/c++200x/all_attributes.cc >> b/libstdc++-v3/testsuite/17_intro/headers/c++200x/all_attributes.cc >> new file mode 100644 >> index 0000000..c7ec27a >> --- /dev/null >> +++ b/libstdc++-v3/testsuite/17_intro/headers/c++200x/all_attributes.cc >> @@ -0,0 +1,38 @@ >> +// Copyright (C) 2015 Free Software Foundation, Inc. >> +// >> +// This file is part of the GNU ISO C++ Library. This library 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. >> + >> +// This library 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. >> + >> +// You should have received a copy of the GNU General Public License >> along >> +// with this library; see the file COPYING3. If not see >> +// <http://www.gnu.org/licenses/>. >> + >> +// { dg-options "-std=gnu++11" } >> +// { dg-do compile } >> + >> +// Ensure the library only uses the __name__ form for attributes. >> +// Don't test 'const' and 'noreturn' because they are reserved anyway. >> +#define abi_tag 1 >> +#define always_inline 1 >> +#define deprecated 1 >> +#define packed 1 >> +#define pure 1 >> +#define unused 1 >> +#define visibility 1 >> + >> +#include <bits/stdc++.h> // TODO: this is missing from <bits/extc++.h> >> +#include <codecvt> // TODO: this is missing from <bits/stdc++.h> >> +#include <bits/extc++.h> >> + >> + >> > the test case fails to build on all arm target, giving the following > message: > > > src/gcc/libstdc++-v3/testsuite/17_intro/headers/c++2014/all_attributes.cc:28:16: > error: expected ')' before numeric constant > > #define unused 1 > ^ > > Gcc has code using unused attribute without __name__ form. For example, we > have the following code in gthr-default.h: > #define GLIBCXX_UNUSED __attribute_((unused))
Yes, this is PR 64885. I'm on vacation but will fix the Gthreads headers next week.