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References: <20230215012034.403356-1-masahiroy@kernel.org> <251124e4-64e1-385d-ea7f-c0cc31851307@prevas.dk>
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From:   Masahiro Yamada <masahiroy@kernel.org>
Date:   Mon, 27 Feb 2023 18:51:03 +0900
Message-ID: <CAK7LNAR82ZgvKof9VMXRM4A_h22ZNCyoaKoHW-ONJ+4vctCu_A@mail.gmail.com>
Subject: Re: [PATCH v6 01/12] kbuild: add a tool to list files ignored by git
To:     Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Cc:     linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
        Ben Hutchings <ben@decadent.org.uk>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Nicolas Schier <nicolas@fjasle.eu>
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On Mon, Feb 27, 2023 at 5:25=E2=80=AFPM Rasmus Villemoes
<rasmus.villemoes@prevas.dk> wrote:
>
> On 15/02/2023 02.20, Masahiro Yamada wrote:
> > In short, the motivation of this commit is to build a source package
> > without cleaning the source tree.
> >
> > The deb-pkg and (src)rpm-pkg targets first run 'make clean' before
> > creating a source tarball. Otherwise build artifacts such as *.o,
> > *.a, etc. would be included in the tarball. Yet, the tarball ends up
> > containing several garbage files since 'make clean' does not clean
> > everything.
> >
> > Cleaning the tree every time is annoying since it makes the incremental
> > build impossible. It is desirable to create a source tarball without
> > cleaning the tree.
> >
> > In fact, there are some ways to achieve this.
>
> > The easiest solution is 'git archive'.
>
> Eh, no, the easiest solution is to just don't build in-tree? Can you
> explain why 'make O=3D/over/there' isn't sufficient for whatever it is yo=
u
> really want to do here?
>
> Rasmus


Right.

If you have a strict rule "I never build the kernel in-tree",
your source tree is kept clean.
So, tar will never include generated files.

But, how would you know if the source tree is really clean?


--
Best Regards
Masahiro Yamada