[dune-pdelab] Current policy for gcc compatibility?

[Christoph Grüninger]

Hi Andreas,
usually Dune tries to stay compatible with GCC versions that were 
released in the past five years.
Once you try to run Dune on a super computer, you thank the Dune 
developers to be so restrictive.

Having a look at http://gcc.gnu.org/releases.html we would support at 
least 4.3 (GCC 4.3.6 was released June 27, 2011) for the next three years.
The last Dune release 2.2 tried to stay compatible with GCC 4.1 because 
some users had (super) computers with this version installed. I doubt 
that this can be achieved for Dune 2.3. We need newer version of 
autotools that are not available on these old systems.

Bye
Christoph

P.S.: According to our rule, dropping support for GCC 4.6 is possible on 
April 12, 2018.

-- 
The Romans didn't find algebra very challenging,
because X was always 10.
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