[aspect-devel] Compilation errors with old compilers since rev.2414

[Wolfgang Bangerth]

Hi Rene & Cedric,
I can't quite match the line numbers, but I think I know what's going on 
anyway. Can you try again?
Best
  Wolfgang


On 05/02/2014 06:32 AM, Rene Gassmoeller wrote:
> Hi all,
> I today updated Aspect on two systems with older compilers and noticed
> that since rev.2414 gcc versions 4.4.4 and 4.1.2 (antique I know) throw
> the following errors during compilation:
>
> /home/mod/rengas/Software/aspect-dev/source/simulator/nullspace.cc: In
> member function ‘void
> aspect::Simulator<dim>::remove_net_angular_momentum(aspect::LinearAlgebra::BlockVector&,
> aspect::LinearAlgebra::BlockVector&) [with int dim = 2]’:
> /home/mod/rengas/Software/aspect-dev/source/simulator/nullspace.cc:155:
> error: using ‘typename’ outside of template
> /home/mod/rengas/Software/aspect-dev/source/simulator/nullspace.cc:172:
> error: using ‘typename’ outside of template
> /home/mod/rengas/Software/aspect-dev/source/simulator/nullspace.cc:173:
> error: using ‘typename’ outside of template
> At global scope:
> cc1plus: warning: unrecognized command line option
> "-Wno-unused-local-typedefs"
> make[2]: *** [CMakeFiles/aspect.dir/source/simulator/nullspace.cc.o] Error 1
> make[2]: *** Waiting for unfinished jobs....
> make[1]: *** [CMakeFiles/aspect.dir/all] Error 2
> make: *** [all] Error 2
>
> A quick Google Search told me that this seems to be a new feature in
> C++11 that is not understood by older compilers. Is there a way to
> reformulate this code for older compilers (as they are used on some
> 'stable' cluster systems)? If yes, then maybe someone who is more
> familiar with the details of C++03 and C++11 could change this for the
> convenience of some users ;-)? If no, then we should mention the
> dependency on newer compiler version or compiler compatibility
> somewhere, to let users know about it. Unfortunately it is know in the
> release version (my fault, only checked aspect-1.0 on my laptop and
> another cluster, gcc 4.6.3 and 4.8.1 are working well, by the way).
>
> Any thoughts or suggestions?
>
> Best,
> Rene
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>


-- 
------------------------------------------------------------------------
Wolfgang Bangerth               email:            bangerth at math.tamu.edu
                                 www: http://www.math.tamu.edu/~bangerth/