[Buildroot] Buildroot and top-level parallel make

[Alex Bradbury]

On 30 June 2012 13:48, Arnout Vandecappelle <arnout at mind.be> wrote:
>  AFAIK nobody is actually working on this.  Myself I have had a little
> thought about it before, and the main problem seems that there are a few
> targets in the top-level Makefile that depend on the left-to-right
> evaluation order of dependencies.
>
>  It would of course be difficult to verify that a top-level parallel make
> works, but now we have the autobuild system it can be done...

redo has the rather nice --shuffle option to help shake out issues
with parallel builds:
https://github.com/apenwarr/redo/#dependency-problems-that-only-show-up-during-parallel-builds

Admittedly I only had a quick look, but it doesn't look like GNU make
has something similar which is a shame. OpenBSD make does as one of
its debug options though:
http://www.openbsd.org/cgi-bin/man.cgi?query=make

Alex