linux-kernel - Re: [PATCH] kbuild: drop $(objtree)/ prefix support for clean-files

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Date:   Tue, 3 May 2022 11:01:59 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Cédric Le Goater <clg@...d.org>,
        Joel Stanley <joel@....id.au>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nicholas Piggin <npiggin@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH] kbuild: drop $(objtree)/ prefix support for clean-files

On Sun, May 1, 2022 at 8:57 PM Michael Ellerman <mpe@...erman.id.au> wrote:
>
> Masahiro Yamada <masahiroy@...nel.org> writes:
> > I think this hack is a bad idea. arch/powerpc/boot/Makefile is the
> > only user. Let's stop doing this.
> >
> > Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> > ---
> >
> >  arch/powerpc/boot/Makefile | 4 ++--
>
> Acked-by: Michael Ellerman <mpe@...erman.id.au> (powerpc)
>
> cheers
>

Applied to linux-kbuild.



> >  scripts/Makefile.clean     | 8 +-------
> >  2 files changed, 3 insertions(+), 9 deletions(-)
> >
> > diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
> > index 4b4827c475c6..008bf0bff186 100644
> > --- a/arch/powerpc/boot/Makefile
> > +++ b/arch/powerpc/boot/Makefile
> > @@ -453,8 +453,8 @@ clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \
> >  clean-kernel-base := vmlinux.strip vmlinux.bin
> >  clean-kernel := $(addsuffix .gz,$(clean-kernel-base))
> >  clean-kernel += $(addsuffix .xz,$(clean-kernel-base))
> > -# If not absolute clean-files are relative to $(obj).
> > -clean-files += $(addprefix $(objtree)/, $(clean-kernel))
> > +# clean-files are relative to $(obj).
> > +clean-files += $(addprefix ../../../, $(clean-kernel))
> >
> >  WRAPPER_OBJDIR := /usr/lib/kernel-wrapper
> >  WRAPPER_DTSDIR := /usr/lib/kernel-wrapper/dts
> > diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
> > index 74cb1c5c3658..878cec648959 100644
> > --- a/scripts/Makefile.clean
> > +++ b/scripts/Makefile.clean
> > @@ -36,13 +36,7 @@ __clean-files      := \
> >
> >  __clean-files   := $(filter-out $(no-clean-files), $(__clean-files))
> >
> > -# clean-files is given relative to the current directory, unless it
> > -# starts with $(objtree)/ (which means "./", so do not add "./" unless
> > -# you want to delete a file from the toplevel object directory).
> > -
> > -__clean-files   := $(wildcard                                               \
> > -                $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \
> > -                $(filter $(objtree)/%, $(__clean-files)))
> > +__clean-files   := $(wildcard $(addprefix $(obj)/, $(__clean-files)))
> >
> >  # ==========================================================================
> >
> > --
> > 2.32.0



-- 
Best Regards
Masahiro Yamada