Makefile:63: warning: overriding recipe for target 'emit_tests'

[kernel test robot <lkp@intel.com>]

:::::: 
:::::: Manual check reason: "low confidence bisect report"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Michael Ellerman <mpe@ellerman.id.au>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   98b1cc82c4affc16f5598d4fa14b1858671b2263
commit: 58b33e78a31782ffe25d404d5eba9a45fe636e27 selftests/powerpc: Fix emit_tests to work with run_kselftest.sh
date:   8 weeks ago
:::::: branch date: 13 hours ago
:::::: commit date: 8 weeks ago
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231120/202311202026.DPcREfHy-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202311202026.DPcREfHy-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Makefile:63: warning: overriding recipe for target 'emit_tests'
   ../lib.mk:145: warning: ignoring old recipe for target 'emit_tests'
   make[1]: *** No targets.  Stop.
   make[1]: *** uevents: No such file or directory.  Stop.


vim +/emit_tests +63 Makefile

3812b8c5c5d527 Masahiro Yamada 2019-02-22  59  
066b7ed9558087 Michal Marek    2014-07-04  60  # Beautify output
066b7ed9558087 Michal Marek    2014-07-04  61  # ---------------------------------------------------------------------------
066b7ed9558087 Michal Marek    2014-07-04  62  #
8962b6b475bddc Masahiro Yamada 2022-12-23 @63  # Most of build commands in Kbuild start with "cmd_". You can optionally define
8962b6b475bddc Masahiro Yamada 2022-12-23  64  # "quiet_cmd_*". If defined, the short log is printed. Otherwise, no log from
8962b6b475bddc Masahiro Yamada 2022-12-23  65  # that command is printed by default.
066b7ed9558087 Michal Marek    2014-07-04  66  #
8962b6b475bddc Masahiro Yamada 2022-12-23  67  # e.g.)
8962b6b475bddc Masahiro Yamada 2022-12-23  68  #    quiet_cmd_depmod = DEPMOD  $(MODLIB)
8962b6b475bddc Masahiro Yamada 2022-12-23  69  #          cmd_depmod = $(srctree)/scripts/depmod.sh $(DEPMOD) $(KERNELRELEASE)
066b7ed9558087 Michal Marek    2014-07-04  70  #
066b7ed9558087 Michal Marek    2014-07-04  71  # A simple variant is to prefix commands with $(Q) - that's useful
066b7ed9558087 Michal Marek    2014-07-04  72  # for commands that shall be hidden in non-verbose mode.
066b7ed9558087 Michal Marek    2014-07-04  73  #
8962b6b475bddc Masahiro Yamada 2022-12-23  74  #    $(Q)$(MAKE) $(build)=scripts/basic
066b7ed9558087 Michal Marek    2014-07-04  75  #
6ae4b9868a8f72 Masahiro Yamada 2022-12-23  76  # If KBUILD_VERBOSE contains 1, the whole command is echoed.
6ae4b9868a8f72 Masahiro Yamada 2022-12-23  77  # If KBUILD_VERBOSE contains 2, the reason for rebuilding is printed.
066b7ed9558087 Michal Marek    2014-07-04  78  #
^1da177e4c3f41 Linus Torvalds  2005-04-16  79  # To put more focus on warnings, be less verbose as default
^1da177e4c3f41 Linus Torvalds  2005-04-16  80  # Use 'make V=1' to see the full commands
^1da177e4c3f41 Linus Torvalds  2005-04-16  81  

:::::: The code at line 63 was first introduced by commit
:::::: 8962b6b475bddc011c414f40ffd02f0ed4e02771 kbuild: print short log in addition to the whole command with V=1

:::::: TO: Masahiro Yamada <masahiroy@kernel.org>
:::::: CC: Masahiro Yamada <masahiroy@kernel.org>

-- 
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https://github.com/intel/lkp-tests/wiki