On Fri, Jan 20 2023 at 05:11:20 PM -0500, Denys Dmytriyenko
<[email protected]> wrote:
Well, there are pros and cons to both approaches. And I would be more
inclined
to agree with you that it is necessary to copy over the entire Mesa
recipes,
if you were trying to apply patches on top of the upstream version.
But, you
are completely changing SRC_URI and SRCREV anyway to point to your
own tree,
so it doesn't matter very much what underlying version of the recipe
you start
with. I do believe it would just work for the master with 22.2.3
version.
Sure, recipes sometimes change significantly and break your bbappend,
but
that's when it will be the time to consider carrying the full set of
older
version, sometime in the future.
As an example, we've been carrying bbappends in meta-ti for upstream
optee and
trunsted-firmware-a recipes from meta-arm - sometimes we fall behind
and stick
to an older version, but sometimes we update to a newer version
earlier than
upstream. That's been working for several years and quite successful
for the
most part...
On the other side of the spectrum, there's ltp-ddt recipe that is
based on top
of the upstream ltp recipe of a specific version. It's not exactly a
bbappend,
but close enough. When upstream upgrades to a newer version, we end
up copying
the specific previous version locally side-by-side. Later, when we
rebase
ltp-ddt and catch up with the ltp version upstream, we can remove the
duplicate.
In other words, *IF* we end up duplicating Mesa recipes locally, I'd
argue we
should keep them unmodified and apply any modifications through
bbappend. If
needed, you can make it version-specific, e.g. mesa_22.0.%.bbappend.
That way
in kirkstone you only need this bbappend, but in langdale/mickledore
you may
end up having a local copy of *unmodified* mesa_22.0.3.bb from
kirkstone along
with this mesa_22.0.%.bbappend on top. In other words - if you
refrain from
modifying the local duplicates of upstream files and keep them
intact, it
would be much easier to maintain long term...
Well what do you recommend? Version pinning (through the copy in
meta-ti) in addition to a bbappend, or just a version globed bbappend?
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