[Libreoffice-bugs] [Bug 129632] ccache does not get any hits on 'make sc' just after 'make sc.clean'

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=129632

--- Comment #5 from Luboš Luňák <l.lunak at collabora.com> ---
I assume you previously didn't get colored gcc output?

Your problem is not a bug, it's simply the way it is. Ccache does not share
"identical" compilations if they differ in colorization, because, well, they do
differ - there's a whole section on this in the ccache manual or in a github
request or somewhere.

So if you want it to work the same way as before, unset gb_COLOR (with the
price of not having any colors). Or always force gb_COLOR and accept that the
redirected output will have escape sequences. Or do not do anything and accept
that ccache does not share these. Or do not run your large build with
redirected output. Or find the ccache request with details and improve ccache
to be smart about sharing them. But whatever you do, there's a drawback.

And then there's the issue of gbuild trying to be (too) smart and doing a lot
of stuff that it probably shouldn't be doing. But that's not limited to just
this, there's a whole load of things that gbuild messes with and probably
shouldn't (compiler colorization, make parallelism, icecream setup, whatnot).

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