[OE-core] [PATCH] ccache: Ensure CCACHE_DIR is cleaned by do_clean task

[Richard Purdie]

On Mon, 2012-07-09 at 09:25 -0500, Mark Hatle wrote:
> On 7/9/12 9:16 AM, Khem Raj wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > 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 at 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] += "${CCACHE_DIR}"
> >>
> >
> > so will this remove all contents of .ccache dir ?
> > or just the package you are cleanall'ing
> 
> I was wondering the same thing, with the default configuration:
> 
> bitbake.conf:# Assign CCACHE_DIR a default value to fix a bug of ccache 3.1.7,
> bitbake.conf:# since it would always create CCACHE_DIR/.ccache even if
> bitbake.conf:export CCACHE_DIR ??= "${@os.getenv('HOME')}"

That line is only in the class file and that class redefines CCACHE_DIR
to include PN.

Cheers,

Richard