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From:   Anders Roxell <anders.roxell@linaro.org>
Date:   Mon, 11 May 2020 15:18:56 +0200
Message-ID: <CADYN=9+MZyCHdp2VbBCjk4u9zVaSXYe6vWwyFa6cy5GOA+-a8w@mail.gmail.com>
Subject: Re: [PATCH] scripts: fix deprecated always and hostprogs-y
To:     Masahiro Yamada <masahiroy@kernel.org>
Cc:     Michal Marek <michal.lkml@markovi.net>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>
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On Wed, 6 May 2020 at 20:36, Masahiro Yamada <masahiroy@kernel.org> wrote:
>
> On Tue, May 5, 2020 at 8:54 PM Anders Roxell <anders.roxell@linaro.org> wrote:
> >
> > When I did an allmodconfig build the following warning showed up:
> >
> > scripts/Makefile.lib:8: 'always' is deprecated. Please use 'always-y' instead
> > scripts/Makefile.lib:12: 'hostprogs-y' and 'hostprogs-m' are deprecated. Please use 'hostprogs' instead
> >
> > Rework to use the new 'always-y' and 'hostprogs'.
> >
> > Fixes: ee066c3ddf7b ("kbuild: warn if always, hostprogs-y, or hostprogs-m is used")
> > Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
>
>
> As Stephen Rothwell reported
> (https://lkml.org/lkml/2020/5/3/392),
> this warning appears by merging the
> two different trees.

Right, I see.

>
>
> You sent this patch to the kbuild maintainers,
> but samples/watch_queue/Makefile does not exist
> in the kbuild tree.

oops, I'm sorry.

>
>
> Also, please drop the fixes tag.

I will.

> The commit hash might change.
>
>
> > ---
> >  samples/watch_queue/Makefile | 4 ++--
> >  scripts/Makefile.build       | 1 -
> >  2 files changed, 2 insertions(+), 3 deletions(-)
> >
> > diff --git a/samples/watch_queue/Makefile b/samples/watch_queue/Makefile
> > index eec00dd0a8df..8511fb6c53d2 100644
> > --- a/samples/watch_queue/Makefile
> > +++ b/samples/watch_queue/Makefile
> > @@ -1,7 +1,7 @@
> >  # List of programs to build
> > -hostprogs-y := watch_test
> > +hostprogs := watch_test
> >
> >  # Tell kbuild to always build the programs
> > -always := $(hostprogs-y)
> > +always-y := $(hostprogs)
> >
> >  HOSTCFLAGS_watch_test.o += -I$(objtree)/usr/include
> > diff --git a/scripts/Makefile.build b/scripts/Makefile.build
> > index 3665b1a0bc8e..abdba70f33a1 100644
> > --- a/scripts/Makefile.build
> > +++ b/scripts/Makefile.build
> > @@ -15,7 +15,6 @@ obj-y :=
> >  obj-m :=
> >  lib-y :=
> >  lib-m :=
> > -always :=
> >  always-y :=
> >  always-m :=
> >  targets :=
>
>
> Why are you deleting 'always'?
> It would immediately break
> the downstream Makefiles immediately.

Thank you, you are correct.

I will send out a new patch shortly to the correct list.

Cheers,
Anders