Having multple kernel sources

[Chris Pressey]

On Sun, 14 Nov 2004 11:57:08 -0800 (PST)
Matthew Dillon <dillon at xxxxxxxxxxxxxxxxxxxx> wrote:

> :This patch lets you set a KERNEL_SOURCE variable in /etc/make.conf or
> on the:command line and the the kernel source you have specified will
> be build.:
> :The kernel directory you specify must exist inside your src
> directory. It:defaults to KERNEL_SOURCE=sys/ if nothing else is
> specified.:
> :I would just like to know what you people think, is it even needed?
> :
> :http://leaf.dragonflybsd.org/~eirikn/Makefile.inc1-multiplesys.patch
> :
> :-- 
> :Eirik Nygaard
> 
>     I don't think it's quite this simple.  Makefile's all over the
>     source and system trees use "../.. ...../sys" sequences to get to
>     'sys'.
> 
>     I like the idea in concept, but it might wind up being too messy
>     to implement.

How about having src/sys be a varsym?  (Not officially, I mean, if some
developer needs this it sounds like it should be easy enough for them to
do this.)

-Chris