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Fix include/wchar.h for C++

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When trying to compile regression tests that use
C++ and the threads header you get this failure:

In file included from /usr/include/c++/5.3.1/cwchar:44:0,
from /usr/include/c++/5.3.1/bits/postypes.h:40,
from /usr/include/c++/5.3.1/bits/char_traits.h:40,
from /usr/include/c++/5.3.1/string:40,
from /usr/include/c++/5.3.1/stdexcept:39,
from /usr/include/c++/5.3.1/array:38,
from /usr/include/c++/5.3.1/tuple:39,
from /usr/include/c++/5.3.1/functional:55,
from /usr/include/c++/5.3.1/thread:39,
from tst-thread-quick_exit.cc:19:
../include/wchar.h:105:23: error: invalid conversion from ‘wchar_t*
(*)(wchar_t*, wchar_t, size_t) throw () {aka wchar_t* (*)(wchar_t*,
wchar_t, long unsigned int) throw ()}’ to ‘int’ [-fpermissive]
extern typeof (wmemset) __wmemset;
^
../include/wchar.h:105:25: error: expected ‘,’ or ‘;’ before ‘__wmemset’
extern typeof (wmemset) __wmemset;
^

The simplest fix for C++ is to avoid the use of
typeof and just declare the prototype as expected.

No regressions on x86_64. Committed as obvious.
The include/wchar.h header is only for internal
build uses and therefore is not ever seen by any
external users and needs no bug #.
This commit is contained in:
Carlos O'Donell 2016-06-03 17:21:53 -04:00
parent 8cbd1453ec
commit cda672e7bd
2 changed files with 5 additions and 1 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2016-06-03 Carlos O'Donell <carlos@redhat.com>
* include/wchar.h (__wmemset): Declare function without typeof.
2016-06-03 Joseph Myers <joseph@codesourcery.com>
[BZ #20205]

2
include/wchar.h
View File

@ -102,7 +102,7 @@ extern int __wcscoll (const wchar_t *__s1, const wchar_t *__s2) __THROW;
libc_hidden_proto (__wcscoll)
libc_hidden_proto (wcspbrk)
extern typeof (wmemset) __wmemset;
extern wchar_t *__wmemset (wchar_t *__s, wchar_t __c, size_t __n) __THROW;
extern wchar_t *__wmemchr (const wchar_t *__s, wchar_t __c, size_t __n)
__THROW __attribute_pure__;
libc_hidden_proto (wmemchr)