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From:   Masahiro Yamada <masahiroy@kernel.org>
Date:   Tue, 23 Aug 2022 04:16:13 +0900
Message-ID: <CAK7LNASfDnUxuTEwiiN4FjGf3PdkDVJOidAON-CD4vyiatQx9g@mail.gmail.com>
Subject: Re: [linux-stable-rc:queue/4.14 13/175] Makefile:877: *** Recursive
 variable 'LDFLAGS' references itself (eventually). Stop.
To:     Nathan Chancellor <nathan@kernel.org>
Cc:     Nick Desaulniers <ndesaulniers@google.com>,
        kbuild-all@lists.01.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Sasha Levin <sashal@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        kernel test robot <lkp@intel.com>,
        Linus Torvalds <torvalds@linux-foundation.org>
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On Tue, Aug 23, 2022 at 3:47 AM Nathan Chancellor <nathan@kernel.org> wrote:
>
> On Mon, Aug 22, 2022 at 10:05:50AM -0700, Nick Desaulniers wrote:
> > On Sat, Aug 20, 2022 at 3:51 PM kernel test robot <lkp@intel.com> wrote:
> > >
> > > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git queue/4.14
> > > head:   ed8a2f4d20af62ebd64e4092d988d4ae6b54657c
> > > commit: 17c47886b521ae64a733f41364def799797e45ef [13/175] Makefile: link with -z noexecstack --no-warn-rwx-segments
> > > config: arc-randconfig-r043-20220821 (https://download.01.org/0day-ci/archive/20220821/202208210645.72NkUj0g-lkp@intel.com/config)
> > > compiler: arc-elf-gcc (GCC) 7.5.0
> > > reproduce (this is a W=1 build):
> > >         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> > >         chmod +x ~/bin/make.cross
> > >         # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=17c47886b521ae64a733f41364def799797e45ef
> > >         git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
> > >         git fetch --no-tags linux-stable-rc queue/4.14
> > >         git checkout 17c47886b521ae64a733f41364def799797e45ef
> > >         # save the config file
> > >         mkdir build_dir && cp config build_dir/.config
> > >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash
> > >
> > > If you fix the issue, kindly add following tag where applicable
> > > Reported-by: kernel test robot <lkp@intel.com>
> > >
> > > All errors (new ones prefixed by >>):
> > >
> > > >> Makefile:877: *** Recursive variable 'LDFLAGS' references itself (eventually).  Stop.
> >
> > Thanks for the report!
> >
> > That's not something that I've seen before...
> >
> > Masahiro, does ARCH=arc do something special to LDFLAGS?
> >
> > This report is a randconfig against a branch of stable for arc, so
> > guessing this might be more obscure than usual.
>
> I suspect this would be fixed with commit ce99d0bf312d ("kbuild: clear
> LDFLAGS in the top Makefile"), which backports cleanly to 4.14.
>
> Cheers,
> Nathan

Ah, yes.
Please back-port that commit. Thanks!


-- 
Best Regards
Masahiro Yamada