[oe] [Angstrom-devel] [RFC] Per-ANGSTROM_MODE caches for Angstrom

[Paul Sokolovsky]

Hello,

On Sat, 16 Feb 2008 16:39:42 +0100
"pHilipp Zabel" <philipp.zabel at gmail.com> wrote:

> On Feb 16, 2008 2:01 PM, Paul Sokolovsky <pmiscml at gmail.com> wrote:
> > Hello,
> >
> > It's pretty annoying to wait for cache rebuild each time
> > ANGSTROM_MODE is swicthed, especially if that happens often.
> > Following patch stores bitbake cache for each mode separately:
> >
> > #
> > # old_revision [1821f6eadefc14ad7ce51d5ab026da139608f557]
> > #
> > # patch "conf/distro/include/angstrom.inc"
> > #  from [b86b952c90304d1fd39f1415f6af7f71d02e00df]
> > #    to [e7921869d30b7e5df3fd39fbd4bec5d2495b5d31]
> > #
> > ============================================================
> > --- conf/distro/include/angstrom.inc
> > b86b952c90304d1fd39f1415f6af7f71d02e00df +++
> > conf/distro/include/angstrom.inc
> > e7921869d30b7e5df3fd39fbd4bec5d2495b5d31 @@ -12,6 +12,7 @@
> > ANGSTROM_MODE ?= "glibc" # Can be "glibc", "eglibc" or "uclibc"
> > ANGSTROM_MODE ?= "glibc"
> >
> > +CACHE = "${TMPDIR}/cache${@['', '/' +
> > str(bb.data.getVar('ANGSTROM_MODE', d,
> > 1))][bool(bb.data.getVar('ANGSTROM_MODE', d, 1))]}${@['', '/' +
> > str(bb.data.getVar('MACHINE', d,
> > 1))][bool(bb.data.getVar('MACHINE', d, 1))]}" DEPLOY_DIR =
> > "${TMPDIR}/deploy/${ANGSTROM_MODE}" require
> > conf/distro/include/angstrom-${ANGSTROM_MODE}.inc
> 
> +1, for the  idea, but why not just ${TMPDIR}/cache/${ANGSTROM_MODE} ?

Well, nice question ;-). To be generic and putable even in
bitbake.conf ;-)

> And I don't understand why you need to include MACHINE there.
> I've never needed to rebuild caches when switching MACHINE, and I
> shouldn't have to.

Heh, multimachine puts it there ;-)

> 
> regards
> Philipp


-- 
Best regards,
 Paul                          mailto:pmiscml at gmail.com