Re: [oe-commits] Jonathan Liu : fontcache.bbclass: prepend to PACKAGEFUNCS instead of appending

[Martin Jansa <martin.jansa@gmail.com>]

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On Mon, Mar 30, 2015 at 09:41:30AM -0700, Khem Raj wrote:
> 
> > On Mar 30, 2015, at 3:09 AM, Burton, Ross <ross.burton@intel.com> wrote:
> > 
> > 
> > On 29 March 2015 at 00:28, Martin Jansa <martin.jansa@gmail.com <mailto:martin.jansa@gmail.com>> wrote:
> > WEBOS_FONTCONFIG_CACHE = "${datadir}/fontconfig/cache"
> > 
> > I'm sure there's a good reason why fontconfig caches are going in datadir but I'm not sure I want to know it :)
> > 
> 
> aren’t they variable data files ? where else should it go otherwise 

I've replied to Ross off-list because I'm not sure how much details I
should share, but basically we have read-only rootfs which has all the
font packages installed, so cache from do_rootfs should remain valid
forever. And we delete everything in /var during reset to factory
settings (that's why we had to move everything which we want to persist
during factory resets like this cache).

We also have additional fontconfig patch which ignores timestamp
modifications in font directories, so that the cache is considered valid
even after some manual modification in rootfs (e.g. in devel images
which can be switched to read-write mode).

-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa@gmail.com

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