linux-kernel - cc1: error: '-march=r3900' requires '-mfp32'

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Message-ID: <201701151038.4upnPbVp%fengguang.wu@intel.com>
Date:   Sun, 15 Jan 2017 10:56:41 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     James Hogan <james.hogan@...tec.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Ralf Baechle <ralf@...ux-mips.org>,
        "Maciej W. Rozycki" <macro@...tec.com>
Subject: cc1: error: '-march=r3900' requires '-mfp32'

Hi James,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f0ad17712b9f71c24e2b8b9725230ef57232377f
commit: 034827c727f7f3946a18355b63995b402c226c82 MIPS: Fix -mabi=64 build of vdso.lds
date:   3 months 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 034827c727f7f3946a18355b63995b402c226c82
        # save the attached .config to linux build tree
        make.cross ARCH=mips 

All errors (new ones prefixed by >>):

>> cc1: error: '-march=r3900' requires '-mfp32'

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