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Date: Sun, 23 Jul 2017 15:15:29 +1000
From: Nicholas Piggin <npiggin@gmail.com>
To: kbuild test robot <fengguang.wu@intel.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
        Masahiro Yamada <yamada.masahiro@socionext.com>,
        Michal Simek <monstr@monstr.eu>
Subject: Re: undefined reference to `_GLOBAL_OFFSET_TABLE_'
Message-ID: <20170723151529.0e38b82c@roar.ozlabs.ibm.com>
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On Sun, 23 Jul 2017 08:20:30 +0800
kbuild test robot <fengguang.wu@intel.com> wrote:

> Hi Nicholas,
> 
> FYI, the error/warning still remains.

FYI, I still suspect it is this bug

https://sourceware.org/bugzilla/show_bug.cgi?id=21017

If so, then I'm not sure if it can be worked around in Linux.

Thanks,
Nick


> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   4b162c530d9c101381500e586fedb1340595a6ff
> commit: 799c43415442414b1032580c47684cb709dfed6d kbuild: thin archives make default for all archs
> date:   3 weeks ago
> config: microblaze-allnoconfig (attached as .config)
> compiler: microblaze-linux-gcc (GCC) 6.2.0
> reproduce:
>         wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout 799c43415442414b1032580c47684cb709dfed6d
>         # save the attached .config to linux build tree
>         make.cross ARCH=microblaze 
> 
> All errors (new ones prefixed by >>):
> 
>    mm/slub.o: In function `__slab_free.isra.13':
> >> (.text+0x1038): undefined reference to `_GLOBAL_OFFSET_TABLE_'  
>    scripts/link-vmlinux.sh: line 93: 56533 Segmentation fault      ${LD} ${LDFLAGS} ${LDFLAGS_vmlinux} -o ${2} -T ${lds} ${objects}
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation