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From:   Nick Desaulniers <ndesaulniers@google.com>
Date:   Mon, 22 Aug 2022 10:05:50 -0700
Message-ID: <CAKwvOd=VD-Oxtko-tq=GjcLZg5tNj_cMZwMhw7NqBbOYLxuidA@mail.gmail.com>
Subject: Re: [linux-stable-rc:queue/4.14 13/175] Makefile:877: *** Recursive
 variable 'LDFLAGS' references itself (eventually). Stop.
To:     Masahiro Yamada <masahiroy@kernel.org>
Cc:     kbuild-all@lists.01.org, 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 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.

>
>
> vim +/LDFLAGS +877 Makefile
>
>    875
>    876  LDFLAGS += -z noexecstack
>  > 877  LDFLAGS += $(call ld-option,--no-warn-rwx-segments)
>    878
>
> --
> 0-DAY CI Kernel Test Service
> https://01.org/lkp


-- 
Thanks,
~Nick Desaulniers