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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Patches and discussions about the oe-core layer
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Date: Mon, 09 Jul 2012 15:48:45 +0100
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Subject: Re: [PATCH] ccache: Ensure CCACHE_DIR is cleaned by do_clean task
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On Mon, 2012-07-09 at 09:31 -0500, Mark Hatle wrote:
> On 7/9/12 9:27 AM, Richard Purdie wrote:
> > On Mon, 2012-07-09 at 07:16 -0700, Khem Raj wrote:
> >> On 7/9/2012 4:55 AM, Richard Purdie wrote:
> >>> This ensures a rebuild does really build from scratch when ccache
> >>> is in use.
> >>>
> >>> [YOCTO #2696]
> >>>
> >>> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
> >>> --- diff --git a/meta/classes/ccache.bbclass
> >>> b/meta/classes/ccache.bbclass index 5aa2da2..cd06a4b 100644 ---
> >>> a/meta/classes/ccache.bbclass +++ b/meta/classes/ccache.bbclass @@
> >>> -4,3 +4,5 @@ CCACHE_DISABLE[unexport] = "1"
> >>>
> >>> do_configure[dirs] =+ "${CCACHE_DIR}" do_kernel_configme[dirs] =+
> >>> "${CCACHE_DIR}" + +do_clean[cleandirs] += "${CCACHE_DIR}"
> >>>
> >>
> >> so will this remove all contents of .ccache dir ?
> >> or just the package you are cleanall'ing
> >
> > Our default CCACHE_DIR defined above this has ${PN} in it so just the
> > package you are cleaning.
> 
> I'm worried about what happens if someone changes the CCACHE_DIR to a single 
> shared location.

It would wipe that shared location upon a clean unless they change the
class...

Cheers,

Richard