Bug#816387: qwtplot3d FTBFS on armel and armhf

[Adrian Bunk]

On Sat, Aug 13, 2016 at 10:46:46AM +0200, Gudjon I. Gudjonsson wrote:
>...
> I have tried to fix the source but without success. It needs to be ported from 
> GL to GLES and that is above my knowledge. I reduce the severity to a 
> wishlist. If you find any solution please tell me.

With Qt4 support dropped, please:
- change the build dependency from libqt5opengl5-dev to 
  libqt5opengl5-desktop-dev, and
- go back to Architecture: any

libqt5opengl5-desktop-dev will do the right thing of no longer 
attempting to build the pacakge on armel/armhf in Debian and
on armhf/arm64 in Ubuntu.

"Architecture: any" will add support for the ia64 and riscv64 
architectures that are currently accidentally excluded.

> Regards
> Gudjon

Thanks
Adrian

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