Supported Compilers / C++11 Support in KF5

[Volker Krause]

On Sunday 21 July 2013 13:52:06 Rolf Eike Beer wrote:
> Volker Krause wrote:
> > - GCC >= 4.5
> > 
> > - override
> 
> Explicit virtual overrides require g++ 4.7:
> 
> http://gcc.gnu.org/projects/cxx0x.html

you are right, it's also what all other sources referenced in 
http://article.gmane.org/gmane.comp.kde.devel.frameworks/3652 say, no idea how 
that slipped in then, sorry.

> This is trivially to work around by a CMake time check and then just define
> override to empty.

sure, for KF5 this is not really a problem since Qt provides corresponding 
macros already. I was hoping for real unconditional usage though, since 
Akonadi will need to stay backward-compatible with Qt4 for a while longer, and 
I wanted to avoid to have to basically copy qcompilerdetection.h for that. Not 
to mention that "override" looks much nicer than "Q_DECL_OVERRIDE" ;)

regards,
Volker
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