Re: c++0x and RHEL5.X

On 12/30/2013 10:16 AM, Amos Jeffries wrote:
> On 30/12/2013 11:21 p.m., Kinkie wrote:
>> Hi all,
>> we have been talking about mandating c++11 some time in the next few months.
>> Today I was trying to rely on a c++0x feature, and I realized that
>> RHEL5.X ships gcc 4.1.2, which doesn't support c++0x. RHEL6 ships g++
>> 4.4.7, which supports c++0x but not c++11.
>>
>> Now, what I need to do here is mostly convenience, I can work around it.
>> However I am annoyed; we will need to make decision and this fact
>> complicates things.
>>
>
> RHEL cannot be a blocker for us. They will be stuck with that
> half-working GCC version until around 2020 unless they bump it up in a
> service pack release.
>
> CentOS has followed that, but is a bit more flexible with compiler
> packages. And those or Fedora compiler packages are usually okay for
> RHEL as well.
>

I am running CentOS 5.x and on this has a package called 'gcc44'
which install gcc 4.4.7 next to gcc 4.1.2.
Does RHEL have the gcc44 package ?

> I was intending to start the serious decision talk late next year,
> probably after 3.5 has gone beta or stable. So that we take a good look
> at it for the 3.6 timeframe. That will give us at least half of the
> major distros fully on the preferred GCC versions and some like CentOS
> etc only a short few years away from EOL on the non-working versions
> (probably with packages available for the preferred compiler versions).
>
> PPS. Anything we do in the C++11 direction before 2015 will probably
> still require macros and wrappings. So look carefully at the features in
> regards to whether there is a non-C++11 equivalent and how messy the
> wrappers would make the code.
>
> Amos
>
>
Received on Mon Dec 30 2013 - 12:59:44 MST