[U-Boot] [PATCH 1/2] kbuild: Fix a false error of generic board support

[Tom Rini]

On Tue, Dec 16, 2014 at 02:56:44PM -0600, mgerlach wrote:

> Hello Masahiro Yamada,
> 
> Even the with this patch, we encountered a false error of generic board
> support.  The problem was very interrmittent for us, but we were able 
> to debug the problem to performing builds on EXT3 file systems which
> have a time stamp resolution of one second.  To reproduce the problem,
> touch ./include/config/auto.conf and .config on a configured uboot tree on
> an EXT3 file system.
> 
> The patch below fixes the problem for us.  

This makes an odd race condition problem I run into when doing massively
paralell builds worse :(  With MAKEALL no ARM boards build (ARCH wasn't
set in time so it tried arch//Makefile for something) and buildman was
also broken in a bunch of places.

-- 
Tom
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