Bug#682410: viennacl: FTBFS in a minimal sid amd64 chroot

[Karl Rupp]

Hi Sebastian,

thanks for the patch. Just two short questions:
* Which compiler (version) did you use? 
* Do you happen to know whether the error shows up with ViennaCL 1.3.0 as well? 

Thanks and best regards,
Karli
(ViennaCL lead developer)