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Date: Fri, 9 Sep 2022 15:24:53 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Masahiro Yamada <masahiroy@...nel.org>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the kbuild tree
Hi,
On Fri, 9 Sep 2022 14:10:06 +0900 Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> Hmm, I am testing allmodconfig in my tree,
> but it is not reproducible so far.
>
> Do you have any more hint?
> (which commit exactly?, and what build command did you use? etc.)
I was trying your top of tree commit
99ea8da56dca "kbuild: use objtool-args-y to clean up objtool arguments"
(merged with Linus' tree and some fix patches).
I am doing a cross build with an out of tree object directory:
$ make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu- O=../x86_64_allmodconfig -s allmodconfig
$ make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu- O=../x86_64_allmodconfig -j100 -O -s
$ x86_64-linux-gnu-gcc --version
x86_64-linux-gnu-gcc (Debian 11.2.0-9) 11.2.0
$ x86_64-linux-gnu-ld --version
GNU ld (GNU Binutils for Debian) 2.37
$ make --version
GNU Make 4.3
Built for powerpc64le-unknown-linux-gnu
> > make[2]: *** No rule to make target 'objtool/objtool'. Stop.
>
> Presumably, it is failing in tools/Makefile,
> but I do not know how this can happen...
Right, I could not see what caused this, either. I tried reverting
that top commit, but that did not help.
--
Cheers,
Stephen Rothwell
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