CCACHE_DIR defaults to $HOME/.ccache.If 'ccache' is one of the values in your FEATURES variable, then deleting /var/tmp/ccache (or its contents) will wipe out the benefits of using ccache. ccache can use a lot of space in /var/tmp/ccache (the amount is configurable with the CCACHE_SIZE but seems to default to about 2G) so if you are running short of disk space you could disable it.
I thought that ccache used ~/.ccache by default to store the cache. What is contained in /var/tmp/ccache?
Matt
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I thought portage stored it's ccache data in /var/tmp/portage/.ccache, as /var/tmp/portage is the "portage" user's home dir.
Someone whos actually on gentoo atm confirm or deny?
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