> -----Original Message----- > From: [email protected] > <[email protected]> On Behalf Of Richard Purdie > Sent: den 31 maj 2024 12:57 > To: [email protected]; [email protected] > Subject: Re: [OE-core] [PATCH] base/bitbake.conf: use default assigment for > UNPACKDIR > > On Fri, 2024-05-31 at 10:27 +0000, Samuli Piippo via lists.openembedded.org > wrote: > > This lets recipes in other layers add weak default assignment as > > UNPACKDIR ??= "${WORKDIR}" > > which allows the recipes to work also with older Yocto releases > > without overriding the default value used in styhead. > > > > Signed-off-by: Samuli Piippo <[email protected]> > > --- > > meta/conf/bitbake.conf | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > I'm getting a bit frustrated with the requests to make changes to core > to make it easier for people to write layers which "work" with all > versions of the project. That isn't something we've ever committed to > or encourage, quite the opposite. > > There isn't any analysis of what other side effects this may have, or > whether it is actually the right decision for the variable going > forward, the change is entirely retrospective looking and I'm not keen > to evaluate changes that way.
Actually, is there any reason it is using "??=" rather than "="? Other similar variables such as WORKDIR, S, B, etc all use = when setting them in bitbake.conf. > Cheers, > > Richard //Peter
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