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

[Fengguang Wu]

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