bin/49389: config(1) is incompatible with previous releases

[martin%NetBSD.org@localhost]

>Number:         49389
>Category:       bin
>Synopsis:       config(1) is not backwards compatible
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Nov 12 20:40:00 +0000 2014
>Originator:     Martin Husemann
>Release:        NetBSD 7.99.1
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD seven-days-to-the-wolves.aprisoft.de 7.99.1 NetBSD 7.99.1 (GENERIC) #2: Wed Oct 29 21:19:47 CET 2014 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64
Architecture: x86_64
Machine: amd64
>Description:

Trying to build a netbsd-7 kernel using config(1) from -current fails, the
generated makefile references "build_kernel" which does not exist in the -7
tree.

While this is not exacactly a supported thing (and there is an obvious
workaround), it always used to work.

>How-To-Repeat:
s/a

>Fix:
n/a