From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?ISO-8859-1?Q?J=F6rg?= Krause <joerg.krause@embedded.rocks>
Date: Wed, 02 Nov 2016 23:49:27 +0100
Subject: [Buildroot] [PATCH] ubifs: Fix regression in ubifs_readdir()
In-Reply-To: <20161102214927.30b0d74f@free-electrons.com>
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On Wed, 2016-11-02 at 21:49 +0100, Thomas Petazzoni wrote:
> Hello,
> 
> On Wed, 02 Nov 2016 20:56:59 +0100, J?rg Krause wrote:
> 
> > > This is *really* bad. Which Buildroot version are you using???
> > 
> > 2016.11 #
> > 
> > Note that I am using Buildroot as a submodule [1] and I needed to
> > port
> > the br2-external tree. Maybe I messed something up?
> > 
> > > Are you able to reproduce the bad ccache behavior here???
> > 
> > Yes, I am. Linux kernel source directory is located locally and the
> > path is set using LINUX_OVERRIDE_SRCDIR in local.mk.
> > 
> > 1/ Checkout Linux kernel version 4.7.10
> > 2/ make linux-dirclean all
> > 3/ Booted Linux version is 4.7.10
> > 
> > 4/ Checkout Linux kernel version 4.8.5
> > 5/ make linux-dirclean all
> > 6/ Booted Linux version is still 4.7.10
> 
> And this scenario works fine with ccache *disabled*, but breaks when
> you enable ccache support in Buildroot?

Yes.