[Skiboot] [PATCH] Makefile: Use implict rules for .xz and .stb

[Oliver O'Halloran]

On Wed, Jul 17, 2019 at 3:23 PM Stewart Smith <stewart at linux.ibm.com> wrote:
>
> "Oliver O'Halloran" <oohall at gmail.com> writes:
> > +%.xz: %
> > +     $(call Q,XZ, cat $^ | xz -9 -C crc32 > $@, $@)
> > +
> > +%.stb: % libstb/create-container
> > +     $(call Q,STB-DEVELOPMENT-SIGNED-CONTAINER,$(SRC)/libstb/sign-with-local-keys.sh $< $@ $(SRC)/libstb/keys/ PAYLOAD,$@)
>
> Note that some firmware components do care about that PAYLOAD there as
> it's passed through as a Label to be stored in the secure boot wrapper.
>
> Note that they also just suddenly started caring about it one day and
> didn't like, tell anybody or anything.

Which components?