llvm dev - Jan 2013 - [LLVMdev] Using C++'11 language features in LLVM itself

>> Does that seem reasonable - or at least acceptable - for everyone?
>
>
> My only concern is the GCC version.  If we bump up to 4.5 (which eliminates
> the current crop of "enterprise" Linux distros on 4.4), why not
set it at
> 4.6, which is the default on reasonably current LTS distros like Ubuntu
> 12.04?
>
I suppose this tradeoff can be evaluated by looking at the delta
between 4.5 and 4.6 which is actually supported by MSVC 2010 and Clang
3.1

Eli

On Jan 11, 2013, at 10:56 AM, Eli Bendersky <eliben at google.com> wrote:
>>> Does that seem reasonable - or at least acceptable - for everyone?
>> 
>> 
>> My only concern is the GCC version.  If we bump up to 4.5 (which
eliminates
>> the current crop of "enterprise" Linux distros on 4.4), why
not set it at
>> 4.6, which is the default on reasonably current LTS distros like Ubuntu
>> 12.04?
Sure, I don't have a strong opinion on the matter.
> I suppose this tradeoff can be evaluated by looking at the delta
> between 4.5 and 4.6 which is actually supported by MSVC 2010 and Clang
> 3.1
Makes perfect sense to me.

-Chris

>> I suppose this tradeoff can be evaluated by looking at the delta
>> between 4.5 and 4.6 which is actually supported by MSVC 2010 and Clang
>> 3.1
>
> Makes perfect sense to me.
>
> -Chris
According to http://gcc.gnu.org/projects/cxx0x.html, these features
are available from 4.6 (language features only):

- Null pointer constant
- Forward declarations for enums
- Generalized constant expressions
- Unrestricted unions
- Range-based for
- Defining move special member functions
- Allowing move constructors to throw

Eli