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Subjectarch/mips/vdso/elf.S:1:0: error: '-march=r3900' requires '-mfp32'
Hi Alex,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: af56ff27eba54fceee5f5643e79bf6531f2e1739
commit: ebb5e78cc63417a35254a791de66e1cc84f963cc MIPS: Initial implementation of a VDSO
date: 10 months ago
config: mips-jmr3927_defconfig (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
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

All errors (new ones prefixed by >>):

>> arch/mips/vdso/elf.S:1:0: error: '-march=r3900' requires '-mfp32'
/*
^
--
>> arch/mips/vdso/sigreturn.S:1:0: error: '-march=r3900' requires '-mfp32'
/*
^

vim +1 arch/mips/vdso/elf.S

> 1 /*
2 * Copyright (C) 2015 Imagination Technologies
3 * Author: Alex Smith <alex.smith@imgtec.com>
4 *

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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