[OE-core] [PATCH] vte-native: reduce c++ requirements from c++17 -> c++11

[Burton, Ross]

On Mon, 29 Apr 2019 at 14:48, Andreas Müller <schnitzeltony at gmail.com> wrote:
> So I see two ways to go:
>
> 1. set vte-native requirements to c++14. That worked here with
> CXXFLAGS_append_class-native = " --std=c++14" but looking into logs of
> centos 7 there are several '--std=gnu++11'. Have no idea where they
> come from so chances are high this patch is going fail with c++14.
> 2. revert vte back to 0.52.2 and forget the idea to get recent
> gnome-terminal back in near future. That requires vte 0.56.1 and was
> the reason I sent the update here.

3. Don't use vte in qemu when building under virgl.  The gtk
PACKAGECONFIG turns on vte support unconditionally but from glancing
at the qemu code that isn't a requirement.

Ross