csky-linux-gcc: error: unrecognized command line option '-mbacktrace'; did you mean '-fbacktrace'?

[kernel test robot]

Hi Guo,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a5e13c6df0e41702d2b2c77c8ad41677ebb065b3
commit: 000591f1ca3312d9a29e15a9e3fe5c4171f75586 csky: Enable LOCKDEP_SUPPORT
date:   12 months ago
config: csky-randconfig-r001-20210328 (attached as .config)
compiler: csky-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=000591f1ca3312d9a29e15a9e3fe5c4171f75586
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 000591f1ca3312d9a29e15a9e3fe5c4171f75586
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=csky 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   csky-linux-gcc: error: unrecognized argument in option '-mcpu=ck860'
   csky-linux-gcc: note: valid arguments to '-mcpu=' are: ck801 ck801t ck802 ck802j ck802t ck803 ck803e ck803ef ck803efh ck803efhr1 ck803efht ck803efhtr1 ck803efr1 ck803eft ck803eftr1 ck803eh ck803ehr1 ck803eht ck803ehtr1 ck803er1 ck803et ck803etr1 ck803f ck803fh ck803fhr1 ck803fr1 ck803ft ck803ftr1 ck803h ck803hr1 ck803ht ck803htr1 ck803r1 ck803s ck803se ck803sef ck803seft ck803sf ck803st ck803t ck803tr1 ck807 ck807e ck807ef ck807f ck810 ck810e ck810ef ck810eft ck810et ck810f ck810ft ck810ftv ck810fv ck810t ck810tv ck810v; did you mean 'ck810'?
>> csky-linux-gcc: error: unrecognized command line option '-mbacktrace'; did you mean '-fbacktrace'?
--
   csky-linux-gcc: error: unrecognized argument in option '-mcpu=ck860'
   csky-linux-gcc: note: valid arguments to '-mcpu=' are: ck801 ck801t ck802 ck802j ck802t ck803 ck803e ck803ef ck803efh ck803efhr1 ck803efht ck803efhtr1 ck803efr1 ck803eft ck803eftr1 ck803eh ck803ehr1 ck803eht ck803ehtr1 ck803er1 ck803et ck803etr1 ck803f ck803fh ck803fhr1 ck803fr1 ck803ft ck803ftr1 ck803h ck803hr1 ck803ht ck803htr1 ck803r1 ck803s ck803se ck803sef ck803seft ck803sf ck803st ck803t ck803tr1 ck807 ck807e ck807ef ck807f ck810 ck810e ck810ef ck810eft ck810et ck810f ck810ft ck810ftv ck810fv ck810t ck810tv ck810v; did you mean 'ck810'?
>> csky-linux-gcc: error: unrecognized command line option '-mbacktrace'; did you mean '-fbacktrace'?
   /usr/bin/ld: scripts/dtc/dtc-parser.tab.o:(.bss+0x20): multiple definition of `yylloc'; scripts/dtc/dtc-lexer.lex.o:(.bss+0x0): first defined here
   collect2: error: ld returned 1 exit status
   make[2]: *** [scripts/Makefile.host:116: scripts/dtc/dtc] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1260: scripts_dtc] Error 2
   make[1]: Target 'modules_prepare' not remade because of errors.
   make: *** [Makefile:180: sub-make] Error 2
   make: Target 'modules_prepare' not remade because of errors.
--
   csky-linux-gcc: error: unrecognized argument in option '-mcpu=ck860'
   csky-linux-gcc: note: valid arguments to '-mcpu=' are: ck801 ck801t ck802 ck802j ck802t ck803 ck803e ck803ef ck803efh ck803efhr1 ck803efht ck803efhtr1 ck803efr1 ck803eft ck803eftr1 ck803eh ck803ehr1 ck803eht ck803ehtr1 ck803er1 ck803et ck803etr1 ck803f ck803fh ck803fhr1 ck803fr1 ck803ft ck803ftr1 ck803h ck803hr1 ck803ht ck803htr1 ck803r1 ck803s ck803se ck803sef ck803seft ck803sf ck803st ck803t ck803tr1 ck807 ck807e ck807ef ck807f ck810 ck810e ck810ef ck810eft ck810et ck810f ck810ft ck810ftv ck810fv ck810t ck810tv ck810v; did you mean 'ck810'?
>> csky-linux-gcc: error: unrecognized command line option '-mbacktrace'; did you mean '-fbacktrace'?
   /usr/bin/ld: scripts/dtc/dtc-parser.tab.o:(.bss+0x20): multiple definition of `yylloc'; scripts/dtc/dtc-lexer.lex.o:(.bss+0x0): first defined here
   collect2: error: ld returned 1 exit status
   make[2]: *** [scripts/Makefile.host:116: scripts/dtc/dtc] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1260: scripts_dtc] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:180: sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for FRAME_POINTER
   Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS
   Selected by
   - LOCKDEP && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86

---
0-DAY CI Kernel Test Service, Intel Corporation
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