[oe] [RFC] rm_work

[Koen Kooi]

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Hi,

I want to propose making rm_work inherited by default with the following changes:

* a KEEP_WORK = "1" var in bitbake.conf so it is opt-in
* a KEEP_WORK_pn-${PN} option to mark packages in local.conf
* a KEEP_WORK option in recipes to mark them, e.g. for llvm

Summary: it will default to 'off' (keep the workdir), but can be switched globally and per
package.

In the last few weeks that I've used rm_work, I haven't found any big problems with it,
but as Graeme points out, there is no easy way to disable yet.

What do you think?

regards,

Koen
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