Why clang bundled with 10-RELEASE doesn't define __has_feature(cxx_nullptr)?

[Dimitry Andric]

On 07 Feb 2014, at 14:49, Lev Serebryakov <lev at freebsd.org> wrote:
> Hello, freebsd-stable.
> 
> Why __has_feature(cxx_nulptr) doesn't work on system compiler? nullptr
> itself works!
...
>> c++ test.cxx
> test.cxx:11:2: warning: "Doesn't have nullptr" [-W#warnings]
> #warning "Doesn't have nullptr"

Hi Lev,

You need to specify at least -std=c++0x for nullptr to be 'officially' available.

-Dimitry

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