[poky] sstate environment variable whitelist

[Paul Eggleton]

Hi all,

I'm taking a look into the sstate functionality. Looking at the changes Kevin has made in his tk/sstate branch and the environments my own two systems (Fedora 14 & Kubuntu 10.10) I note that there are still quite a lot of variables that are not whitelisted out. The question is do we expect to whitelist out absolutely all environment variables we don't care about on as many possible host distributions as possible? Or do we only selectively whitelist out those that we expect to change frequently (those that point to PIDs, session IDs, usernames etc.)?

Cheers,
Paul
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