Re: C++11 now default?

[John W. Eaton]

On 02/22/2016 03:07 PM, Mike Miller wrote:
> On Mon, Feb 22, 2016 at 09:25:33 -0800, Rik wrote:
> > We could always do as jwe suggested, albeit reluctantly,  and introduce
> > UNIQUE_PTR which uses a test in configure to determine whether
> > std::unique_ptr or std::auto_ptr is available.
>
> FWIW, I'm able to build default with gcc 4.4 on CentOS 6, with the
> following caveats:
>
> * I have to explicitly declare CXX="g++ -std=gnu++0x", the automatic
>    detection in configure doesn't work if the compiler doesn't fully
>    support C++11. Without that option, the std::unique_ptr class is not
>    found.

I'm beginning to think we should make the c++11 test optional using 
something like --enable-c++11 and have it disabled by default.

> * I have to set the OCTAVE_DEPRECATED(msg) macro to be
>
>      #define OCTAVE_DEPRECATED(msg) __attribute__ ((__deprecated__))
>
>    because apparently the optional msg argument was added in gcc 4.5.

That should be easy enough to fix with a configure check.

jwe