Trouble building WireGuard since December releases

[Greg KH]

On Mon, Jan 22, 2018 at 03:42:25PM +0100, Kevin wrote:
> Hi all,
> 
> I've been having trouble building WireGuard on Solus since its December
> snapshots. Earlier snapshots (e.g. November) still build without a
> problem, even on new kernels. Does this have to do with Solus kernel
> builds, or am I overlooking something?
> 
> user at t450s-solus ~/bin/WireGuard-0.0.20180118/src $ make debug
> test -e include/generated/autoconf.h -a -e include/config/auto.conf ||
> (	\
> echo >&2;							\
> echo >&2 "  ERROR: Kernel configuration is invalid.";		\
> echo >&2 "         include/generated/autoconf.h or
> include/config/auto.conf are missing.";\
> echo >&2 "         Run 'make oldconfig && make prepare' on kernel src
> to fix it.";	\

Have you run 'make oldconfig' and 'make prepare' on the kernel source
tree you are wanting to build the wireguard code against?

thanks,

greg k-h