awk: scripts/ld-version.sh: line 4: regular expression compile failed (missing '(')

[kbuild test robot]

Hi Alex,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   691429e13dfaf5b0994b07cc166db41bd608ee3d
commit: ebb5e78cc63417a35254a791de66e1cc84f963cc MIPS: Initial implementation of a VDSO
date:   4 months ago
config: mips-allnoconfig (attached as .config)
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 >>):

>> awk: scripts/ld-version.sh: line 4: regular expression compile failed (missing '(')
   .*)
--
>> awk: scripts/ld-version.sh: line 4: regular expression compile failed (missing '(')
   .*)
   /bin/sh: line 0: [: -gt: unary operator expected
   arch/mips/vdso/Makefile:30: MIPS VDSO requires binutils > 2.24

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