Re: [PATCH] kbuild: fix 'Broken pipe' message for AR=gcc-ar

From: Masahiro Yamada
Date: Thu Oct 27 2022 - 12:32:35 EST


On Tue, Oct 25, 2022 at 4:15 AM Nick Desaulniers
<ndesaulniers@xxxxxxxxxx> wrote:
>
> On Sun, Oct 23, 2022 at 12:53 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
> >
> > Since commit 321648455061 ("kbuild: use obj-y instead extra-y for
> > objects placed at the head"), 'make AR=gcc-ar' shows the following
> > message:
> >
> > /usr/bin/ar terminated with signal 13 [Broken pipe]
>
> Not just AR=gcc-ar, but also AR=llvm-ar:
>
> error: write on a pipe with no reader
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/1651
> Reported-by: Nathan Chancellor <nathan@xxxxxxxxxx>
> Tested-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>



Thank you.

I updated the commit description, and sent v2.

https://lore.kernel.org/linux-kbuild/20221027162839.410720-1-masahiroy@xxxxxxxxxx/T/#u


> Note that due to
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8017ce50641c303b9b5d96f3c10229ecfd770a70
> we should send a backport to stable like:
> https://github.com/engstk/op8/commit/6f2688e3eb4ec06b276e541640d4f06364b68442


Maybe, we can backport 8017ce50641c30 itself,
but I am not sure if it is cleanly applicable.



--
Best Regards
Masahiro Yamada