Bug#895969: webkit2gtk: FTBFS on riscv64 due to not linking against libatomic

[Alberto Garcia]

On Wed, Apr 25, 2018 at 11:47:39PM +0200, Manuel A. Fernandez Montecelo wrote:
> I was able to build with the simple patch/debdiff attached (and uploaded
> to "unreleased").
> 
> I am now sure, though, which knobs need to be modified to make this
> happen in the upstream part in the cleanest way.

I think that the patch proposed by Aurelien is probably the best way:

set(THREADS_PREFER_PTHREAD_FLAG ON)

Berto