On Thu, Dec 28, 2017, at 20:52, Alan Mackenzie wrote: > There is some way of initialising a new kernel .config from an existing > one, I am sure, but I can't find it. I've looked at the Gentoo wiki, > I've looked at (some of) the kernel's own documentation. The nearest I > can find is make oldconfig, which supposedly does what I want, but it > just seems to start off with a default .config and go through the > hundreds of questions one at a time.
What about: make olddefconfig ?