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Re: [kbuild-all] arch/mips/vdso/elf.S:1:0: error: '-march=r3900' requires '-mfp32'

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On Tue, Dec 13, 2016 at 05:02:40AM +0100, Ralf Baechle wrote:
>On Sun, Dec 11, 2016 at 09:04:48AM +0800, kbuild test robot wrote:
>
>> FYI, the error/warning still remains.
>>
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   045169816b31b10faed984b01c390db1b32ee4c1
>> commit: ebb5e78cc63417a35254a791de66e1cc84f963cc MIPS: Initial implementation of a VDSO
>> date:   1 year, 1 month ago
>> config: mips-jmr3927_defconfig (attached as .config)
>> compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
>> reproduce:
>>         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>>         chmod +x ~/bin/make.cross
>>         git checkout ebb5e78cc63417a35254a791de66e1cc84f963cc
>>         # save the attached .config to linux build tree
>>         make.cross ARCH=mips
>
>Which binutils are you using with this compiler?

It's binutils debian version 2.27-8. Does this jmr3927_defconfig
require a special mips compiler? I see there are 4 available gcc
packages in debian:

gcc-mips64el-linux-gnuabi64
gcc-mips64-linux-gnuabi64
gcc-mipsel-linux-gnu
gcc-mips-linux-gnu

The last one is used here.

Thanks,
Fengguang

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Re: arch/mips/vdso/elf.S:1:0: error: '-march=r3900' requires '-mfp32' Ralf Baechle <ralf@linux-mips.org> - 2016-12-13 05:10 +0100
  Re: [kbuild-all] arch/mips/vdso/elf.S:1:0: error: '-march=r3900'  requires '-mfp32' Fengguang Wu <fengguang.wu@intel.com> - 2016-12-14 05:10 +0100
  Re: arch/mips/vdso/elf.S:1:0: error: '-march=r3900' requires  '-mfp32' "Maciej W. Rozycki" <macro@imgtec.com> - 2016-12-16 02:00 +0100

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