Re: [ptxdist] TF-A FIP format and U-Boot

[Roland Hieber <rhi@pengutronix.de>]

On Thu, Sep 30, 2021 at 02:10:15PM +0200, Guillermo Rodriguez Garcia wrote:
> > So for such a use-case, the files must be installed in the install stage.
> > Note, that you cannot install the files into platform/images:
> > 'ptxdist clean root' will remove that but only cleans the targetinstall
> > stages, so afterwards the files will be missing.
> >
> > So I suggest the files are installed to
> > $(<PKG>_PKGDIR)/usr/lib/<something>/
> > The install stage will then copy the files to sysroot-target and the next
> > package can find the files there.
> >
> 
> Uhm, the files themselves are not needed in the target fs; they are only
> required as intermediate files to build the FIP image.
> Should I still copy them to sysroot-target?

Yes. sysroot-target is not the contents of the image yet, but only the
staging area where target packages install their files. This is done
because in the install stage PTXdist uses the package's build system to
install files, which sometimes installs many more files that you maybe
don't want in your target. In the targetinstall stage you have to pick
them from sysroot-target into the image explicitly with the
$(call install_*) macros.

 - Roland

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Roland Hieber, Pengutronix e.K.          | r.hieber@pengutronix.de     |
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