[Buildroot] Overriding Buildroot packages
Yann E. MORIN
yann.morin.1998 at free.fr
Sat Dec 5 17:29:32 UTC 2015
On 2015-11-30 00:09 +0100, Arnout Vandecappelle spake thusly:
> On 25-11-15 10:48, Hajime Branko Yamasaki Vukelic wrote:
> > On Tue, Nov 24, 2015 at 11:30 PM, Arnout Vandecappelle <arnout at mind.be> wrote:
> >
> > [SNIP]
> >
> >>> Ideally, ability to override some aspect of an existing package (e.g.,
> >>> only its version, or only the source URL, or something along those
> >>> lines) would be great to have. If not, then, a mechanism to make two
> >>> packages equivalent (something like virtual packages but applicaable
> >>> to packages that are not explicitly virtual) would also work (e.g.,
> >>> `POSTGRES_95_PROVIDES = postgres`, that causes having postgres-95
> >>> selected to satisfy dependency requirement for a package that
> >>> selects/depends on postgres).
> >>
> >> There is a fairly easy way to make it possible to override the version and
> >> dependencies, but I think it's a bit ugly. In inner-generic-package, instead of
> >> defining all the rules directly, we could add yet another level of direction and
> >> delay the definition of the rules until after BR2_EXTERNAL has been included.
> >
> > What if a package has <pkgname>.hash file? If I simply override the
> > version, wouldn't that still break when checking the hash?
>
> That's right, we'd need to find a workaround of that as well.
We already have a mechanism to avoid checking hashes;
BR_NO_CHECK_HASH_FOR += tarball-name
Regards,
Yann E. MORIN.
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