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| author | Waldemar Brodkorb <wbx@openadk.org> | 2023-07-14 11:06:52 +0200 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2023-07-14 11:06:52 +0200 |
| commit | 2c46c4ed23d333dcc0cea9fab47abf0167f8cf5a (patch) | |
| tree | a51f8e2b0715584414f49f42f97df2853eb6b6e9 /libc/sysdeps/linux/i386/bits | |
| parent | 82fdc29f5fc430a725b922ac2086c02e918e269a (diff) | |
[PATCH] libc/sysdeps/linux/common/bits/wchar.h: resync with glibc, fix build issue with gcc 12
The current definition of __WCHAR_MIN and __WCHAR_MAX are only correct
when wchar_t is an int. This is not the case on ARM/AArch64 where
wchar_t is an unsigned int, or some other architectures where wchar_t
is a long.
The current incorrect definition causes a build issue for example when
building mpd, which uses boost, with gcc 12.x:
In file included from /home/thomas/buildroot/aarch64/host/aarch64-buildroot-linux-uclibc/sysroot/usr/include/boost/integer.hpp:20,
from /home/thomas/buildroot/aarch64/host/aarch64-buildroot-linux-uclibc/sysroot/usr/include/boost/crc.hpp:42,
from ../src/storage/StorageState.cxx:43:
/home/thomas/buildroot/aarch64/host/aarch64-buildroot-linux-uclibc/sysroot/usr/include/boost/integer_traits.hpp:105:69: error: narrowing conversion of ‘-2147483648’ from ‘int’ to ‘wchar_t’ [-Wnarrowing]
105 | public detail::integer_traits_base<wchar_t, WCHAR_MIN, WCHAR_MAX>
| ^
This issue was fixed in glibc in 2013, see bug report
https://sourceware.org/bugzilla/show_bug.cgi?id=15036, and upstream
commit
https://sourceware.org/git/?p=glibc.git;a=commit;h=052aff95782fefe9c63566471063e8b20836bfb8.
Since the i386-specific definition of __WCHAR_MIN and __WCHAR_MAX was
also removed at the same time in glibc, we do the same as part of this
commit.
Reported-by: Clément Ramirez <clement.ramirez@bootlin.com>
With-some-useful-help-from: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Diffstat (limited to 'libc/sysdeps/linux/i386/bits')
| -rw-r--r-- | libc/sysdeps/linux/i386/bits/wchar.h | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/libc/sysdeps/linux/i386/bits/wchar.h b/libc/sysdeps/linux/i386/bits/wchar.h deleted file mode 100644 index b94fc7a3f..000000000 --- a/libc/sysdeps/linux/i386/bits/wchar.h +++ /dev/null @@ -1,25 +0,0 @@ -/* wchar_t type related definitions. - Copyright (C) 2000 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _BITS_WCHAR_H -#define _BITS_WCHAR_H 1 - -#define __WCHAR_MIN (-2147483647l - 1l) -#define __WCHAR_MAX (2147483647l) - -#endif /* bits/wchar.h */ |