[pypy-dev] gcc recommendation for pypy 2.5.0

[Roshan Mathew Cherian]

Hi Armin

Thanks that worked well with gcc 4.1.2. We are working to get our build system to a newer version of oel and gcc

Thanks
Roshan


> On Apr 6, 2015, at 12:38 AM, Armin Rigo <arigo at tunes.org> wrote:
> 
> Hi Roshan,
> 
>> On 6 April 2015 at 05:44, Roshan Cherian <cherian.rosh at gmail.com> wrote:
>> Could I know the
>> recommended gcc version for building pypy 2.5.0.
> 
> Any version that is not seriously outdated would do.  I guess 4.1 is
> too old.  We don't specifically try out every single old version of
> gcc so I can't be more precise than that.  If for some reason you
> absolutely have to use gcc 4.1, you can probably translate with the
> more portable "--gcrootfinder=shadowstack" option at the cost of a
> some percents of final performance.
> 
>> I am sorry the recommended approach is to use an older version of pypy to
>> build the newer version
> 
> That's an unrelated question.  You can use either PyPy or CPython to
> translate PyPy; it should only change the speed at which it is done.
> 
> 
> A bientôt,
> 
> Armin.