On Fri, May 28, 2021 at 10:47:30AM -0400, Robert P. J. Day wrote:
> On Fri, 28 May 2021, Quentin Schulz wrote:
>
> > On Fri, May 28, 2021 at 09:57:26AM -0400, Robert P. J. Day wrote:
> > > On Fri, 28 May 2021, Quentin Schulz wrote:
> > >
> > > > On Fri, May 28, 2021 at 08:51:51AM -0400, Robert P. J. Day wrote:
> > > > >
> > > > > as a short followup to my earlier note about creating a bunch of
> > > > > externalsrc-based recipes to demonstrate their proper structure, it's
> > > > > easy to add the recipe files to a layer, but i then realized i needed
> > > > > to figure out where to put the corresponding source, and how i would
> > > > > refer to it with the EXTERNALSRC variable, and after some thought, it
> > > > > occurred that the simplest solution is to simply put the source in a
> > > > > "src" subdirectory next to the recipe itself, and use:
> > > > >
> > > > > inherit externalsrc
> > > > >
> > > > > EXTERNALSRC = "${THISDIR}/src"
> > > >
> > > > FWIW, we use multiple ../ in the variable and it works just fine.
> > > > Might be a slightly better example than having it next to the
> > > > recipe, since this would actually be covered by SRC_URI =
> > > > "file://whatever". In that case, you could add the sources in
> > > > `yocto-docs/externalsrc-src` for example?
> > >
> > > after further cogitation, it seems like using SRC_URI might be the
> > > way to go after all, unless i drastically misunderstand some features
> > > of "externalsrc".
> > >
> > > at the moment, most of this external source has to be compiled in
> > > place; very little of it supports "out of tree" building, which means
> > > that i'm forced to(?):
> >
> > What make you say that? Links, sources? By default it builds in the
> > usual ${WORKDIR}/${BPN}-${PV}.
>
> i know, but if i do this with the source example i'm playing with:
>
> EXTERNALSRC = "${THISDIR}/src"
> # EXTERNALSRC_BUILD = "${EXTERNALSRC}"
>
> and let EXTERNALSRC_BUILD default to the value you identify, i get:
>
> | make: *** No rule to make target 'install'. Stop.
>
> i clearly don't understand something fundamental about using
> externalsrc -- how do i get that external, remote source to build
> under WORKDIR?
>
Would you mind sharing your work so far (recipe + source)? So we can try
to reproduce on our side? I have a very complex recipe without
EXTERNALSRC_BUILD set (on thud though, but with some backports from later
versions for the externalsrc class).
I couldn't find tests for externalsrc recipes, so either I'm blind
(can't exclude it) or we're missing such tests, which we should add :)
Cheers,
Quentin
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