On Tue, Apr 27, 2021 at 12:17 PM Petr Vorel <petr.vo...@gmail.com> wrote:
>
> Hi all,
>
> > On Mon, Apr 26, 2021 at 11:53 AM Petr Vorel <petr.vo...@gmail.com> wrote:
>
> > > Hi Khem, Richard,
>
> > > I'd like to replace MUSL specific patch
> > > meta/recipes-extended/ltp/ltp/0001-build-Add-option-to-select-libc-implementation.patch
> > > with just removing broken files. We use this in upstream CI for Alpine, I
> > > ported
> > > it to Buildroot [2], where works well. It's better because it does allow
> > > to
> > > handle MUSL without rebasing this patch.
>
> > > I was looking into the docs, it looks to me that do_configure [3] might
> > > be good hook
> > > to add it into. But it looks like by default it contains oe_runmake clean
> > > [4].
> > > Or should I use different hook? And how to find the default content of
> > > chosen
> > > hook? (if I need to extend it, I'll have to provide the original as well)
>
> > Changes to source files, including removing them, should be done as
> > part of the do_patch task. Since do_patch is implemented in python you
> > can't simply _append shell script commands to it, but you can add a
> > shell function via do_patch[postfuncs]. If you grep for
> > "do_patch[postfuncs]" in oe-core you should find a few examples.
>
> One more question: how to make this function MUSL specific?
> I noticed some functions has suffix "_libc-musl" (e.g.
> do_install_append_libc-musl), but I guess this would not work for
> do_patch[postfuncs], where I specify the name.
You can either use an intermediate variable in the recipe, e.g.
PRUNESOURCE = ""
PRUNESOURCE_libc-musl = "the-real-function"
do_patch[postfuncs] += "${PRUNESOURCE}"
Or you can call the script unconditionally and check if [ "${TCLIBC}"
= "musl" ] from inside it.
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