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Subject: [Bug libstdc++/44663] missed GXX_EXPERIMENTAL guards in <tr1/tuple>?
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------- Comment #4 from pinskia at gmail dot com  2010-06-25 14:18 -------
Subject: Re:   New: missed GXX_EXPERIMENTAL guards in <tr1/tuple>?



On Jun 25, 2010, at 3:49 AM, "pluto at agmk dot net" <gcc-bugzilla@gcc.gnu.org 
 > wrote:

> hi,
>
> the latest llvm/clang++ reports an error during parsing <tr1/tuple>
> included from <tr1/functional>:

Both of these are c++0x only headers and really are only supported  
when compiling in c++0x mode.


>
> In file included from t00.cpp:1:
> In file included from /usr/include/c++/4.5.0/tr1/functional:39:
> /usr/include/c++/4.5.0/tr1/tuple:68:30: error: variadic templates  
> are only
> allowed in C++0x
>  template<int _Idx, typename... _Elements>
>
> afaics there's no #ifdef __GXX_EXPERIMENTAL... guards but...
>
> http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt01ch01.html#manual.intro.status.standard.200x
>
> (...)
> In this implementation -std=gnu++0x or -std=c++0x flags must be used
> to enable language and library features. The pre-defined symbol
> __GXX_EXPERIMENTAL_CXX0X__ is used to check for the presence of
> the required flag.
> (...)
>
>
> -- 
>           Summary: missed GXX_EXPERIMENTAL guards in <tr1/tuple>?
>           Product: gcc
>           Version: 4.5.1
>            Status: UNCONFIRMED
>          Severity: normal
>          Priority: P3
>         Component: libstdc++
>        AssignedTo: unassigned at gcc dot gnu dot org
>        ReportedBy: pluto at agmk dot net
>  GCC host triplet: x86_64-gnu-linux
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44663
>


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44663