Kconfig:12: can't open file "arch/powerpc64/Kconfig"

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d48fcbd864a008802a90c58a9ceddd9436d11a49
commit: 9e3e10c725360b9d07018cfcd5b7b6b7d325fae5 kconfig: send error messages to stderr
date:   2 days ago
config: powerpc64-defconfig
compiler: powerpc64-linux-gcc (GCC) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 9e3e10c725360b9d07018cfcd5b7b6b7d325fae5
        make.cross ARCH=powerpc64  defconfig
        make.cross ARCH=powerpc64 

All errors (new ones prefixed by >>):

   Makefile:499: arch/powerpc64/Makefile: No such file or directory
   make[1]: *** No rule to make target 'arch/powerpc64/Makefile'.
   make[1]: Failed to remake makefile 'arch/powerpc64/Makefile'.
>> Kconfig:12: can't open file "arch/powerpc64/Kconfig"
   make[2]: *** [defconfig] Error 1
   make[1]: *** [defconfig] Error 2
   make: *** [sub-make] Error 2
--
   Makefile:499: arch/powerpc64/Makefile: No such file or directory
   make[1]: *** No rule to make target 'arch/powerpc64/Makefile'.
   make[1]: Failed to remake makefile 'arch/powerpc64/Makefile'.
>> Kconfig:12: can't open file "arch/powerpc64/Kconfig"
   make[2]: *** [oldconfig] Error 1
   make[1]: *** [oldconfig] Error 2
   make: *** [sub-make] Error 2
--
   Makefile:499: arch/powerpc64/Makefile: No such file or directory
   make[1]: *** No rule to make target 'arch/powerpc64/Makefile'.
   make[1]: Failed to remake makefile 'arch/powerpc64/Makefile'.
>> Kconfig:12: can't open file "arch/powerpc64/Kconfig"
   make[2]: *** [olddefconfig] Error 1
   make[2]: Target 'oldnoconfig' not remade because of errors.
   make[1]: *** [oldnoconfig] Error 2
   make: *** [sub-make] Error 2

vim +12 Kconfig

838a2e55 Arnaud Lacombe 2010-09-04   7  
838a2e55 Arnaud Lacombe 2010-09-04   8  config SRCARCH
838a2e55 Arnaud Lacombe 2010-09-04   9  	string
838a2e55 Arnaud Lacombe 2010-09-04  10  	option env="SRCARCH"
838a2e55 Arnaud Lacombe 2010-09-04  11  
838a2e55 Arnaud Lacombe 2010-09-04 @12  source "arch/$SRCARCH/Kconfig"

:::::: The code at line 12 was first introduced by commit
:::::: 838a2e55e6a4e9e8a10451ed2ef0f7a08dabdb04 kbuild: migrate all arch to the kconfig mainmenu upgrade

:::::: TO: Arnaud Lacombe <lacombar@xxxxxxxxx>
:::::: CC: Arnaud Lacombe <lacombar@xxxxxxxxx>

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