linux-kernel - [ammarfaizi2-block:next/linux-next/akpm 334/334] lib/Kconfig.debug:337:error: recursive dependency detected!

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Message-ID: <202202241522.25enBK5u-lkp@intel.com>
Date:   Thu, 24 Feb 2022 15:08:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: [ammarfaizi2-block:next/linux-next/akpm 334/334]
 lib/Kconfig.debug:337:error: recursive dependency detected!

tree:   https://github.com/ammarfaizi2/linux-block next/linux-next/akpm
head:   4b738f94b3a6492ae5adad0940d580851fb9019b
commit: 4b738f94b3a6492ae5adad0940d580851fb9019b [334/334] Merge commit 'next-20220215~2' into tmp-akpm/master
config: hexagon-randconfig-r045-20220223
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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://github.com/ammarfaizi2/linux-block/commit/4b738f94b3a6492ae5adad0940d580851fb9019b
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block next/linux-next/akpm
        git checkout 4b738f94b3a6492ae5adad0940d580851fb9019b
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon  randconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon 

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

All errors (new ones prefixed by >>):

   lib/Kconfig.debug:343:warning: choice value used outside its choice group
   lib/Kconfig.debug:355:warning: choice value used outside its choice group
   lib/Kconfig.debug:364:warning: choice value used outside its choice group
>> lib/Kconfig.debug:337:error: recursive dependency detected!
   lib/Kconfig.debug:337: choice <choice> contains symbol DEBUG_INFO
   lib/Kconfig.debug:227: symbol DEBUG_INFO is selected by DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT
   lib/Kconfig.debug:253: symbol DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT is part of choice <choice>
   lib/Kconfig.debug:234: choice <choice> contains symbol DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT
   lib/Kconfig.debug:253: symbol DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT is part of choice <choice>
   For a resolution refer to Documentation/kbuild/kconfig-language.rst
   subsection "Kconfig recursive dependency limitations"


vim +337 lib/Kconfig.debug

695afd3d7d58ec Sedat Dilek      2020-08-16  294  
6dfc06651b3d29 Dave Hansen      2013-07-01  295  config DEBUG_INFO_REDUCED
6dfc06651b3d29 Dave Hansen      2013-07-01  296  	bool "Reduce debugging information"
6dfc06651b3d29 Dave Hansen      2013-07-01  297  	help
6dfc06651b3d29 Dave Hansen      2013-07-01  298  	  If you say Y here gcc is instructed to generate less debugging
6dfc06651b3d29 Dave Hansen      2013-07-01  299  	  information for structure types. This means that tools that
6dfc06651b3d29 Dave Hansen      2013-07-01  300  	  need full debugging information (like kgdb or systemtap) won't
6dfc06651b3d29 Dave Hansen      2013-07-01  301  	  be happy. But if you merely need debugging information to
6dfc06651b3d29 Dave Hansen      2013-07-01  302  	  resolve line numbers there is no loss. Advantage is that
6dfc06651b3d29 Dave Hansen      2013-07-01  303  	  build directory object sizes shrink dramatically over a full
6dfc06651b3d29 Dave Hansen      2013-07-01  304  	  DEBUG_INFO build and compile times are reduced too.
6dfc06651b3d29 Dave Hansen      2013-07-01  305  	  Only works with newer gcc versions.
6dfc06651b3d29 Dave Hansen      2013-07-01  306  
10e68b02c861cc Nick Desaulniers 2020-05-26  307  config DEBUG_INFO_COMPRESSED
10e68b02c861cc Nick Desaulniers 2020-05-26  308  	bool "Compressed debugging information"
10e68b02c861cc Nick Desaulniers 2020-05-26  309  	depends on $(cc-option,-gz=zlib)
10e68b02c861cc Nick Desaulniers 2020-05-26  310  	depends on $(ld-option,--compress-debug-sections=zlib)
10e68b02c861cc Nick Desaulniers 2020-05-26  311  	help
10e68b02c861cc Nick Desaulniers 2020-05-26  312  	  Compress the debug information using zlib.  Requires GCC 5.0+ or Clang
10e68b02c861cc Nick Desaulniers 2020-05-26  313  	  5.0+, binutils 2.26+, and zlib.
10e68b02c861cc Nick Desaulniers 2020-05-26  314  
10e68b02c861cc Nick Desaulniers 2020-05-26  315  	  Users of dpkg-deb via scripts/package/builddeb may find an increase in
10e68b02c861cc Nick Desaulniers 2020-05-26  316  	  size of their debug .deb packages with this config set, due to the
10e68b02c861cc Nick Desaulniers 2020-05-26  317  	  debug info being compressed with zlib, then the object files being
10e68b02c861cc Nick Desaulniers 2020-05-26  318  	  recompressed with a different compression scheme. But this is still
10e68b02c861cc Nick Desaulniers 2020-05-26  319  	  preferable to setting $KDEB_COMPRESS to "none" which would be even
10e68b02c861cc Nick Desaulniers 2020-05-26  320  	  larger.
10e68b02c861cc Nick Desaulniers 2020-05-26  321  
866ced950bcd54 Andi Kleen       2014-07-30  322  config DEBUG_INFO_SPLIT
866ced950bcd54 Andi Kleen       2014-07-30  323  	bool "Produce split debuginfo in .dwo files"
9d9374440072eb Masahiro Yamada  2019-02-22  324  	depends on $(cc-option,-gsplit-dwarf)
866ced950bcd54 Andi Kleen       2014-07-30  325  	help
866ced950bcd54 Andi Kleen       2014-07-30  326  	  Generate debug info into separate .dwo files. This significantly
866ced950bcd54 Andi Kleen       2014-07-30  327  	  reduces the build directory size for builds with DEBUG_INFO,
866ced950bcd54 Andi Kleen       2014-07-30  328  	  because it stores the information only once on disk in .dwo
866ced950bcd54 Andi Kleen       2014-07-30  329  	  files instead of multiple times in object files and executables.
866ced950bcd54 Andi Kleen       2014-07-30  330  	  In addition the debug information is also compressed.
866ced950bcd54 Andi Kleen       2014-07-30  331  
866ced950bcd54 Andi Kleen       2014-07-30  332  	  Requires recent gcc (4.7+) and recent gdb/binutils.
866ced950bcd54 Andi Kleen       2014-07-30  333  	  Any tool that packages or reads debug information would need
866ced950bcd54 Andi Kleen       2014-07-30  334  	  to know about the .dwo files and include them.
866ced950bcd54 Andi Kleen       2014-07-30  335  	  Incompatible with older versions of ccache.
866ced950bcd54 Andi Kleen       2014-07-30  336  
a66049e2cf0ef1 Nick Desaulniers 2021-02-05 @337  choice
a66049e2cf0ef1 Nick Desaulniers 2021-02-05  338  	prompt "DWARF version"
a66049e2cf0ef1 Nick Desaulniers 2021-02-05  339  	help
a66049e2cf0ef1 Nick Desaulniers 2021-02-05  340  	  Which version of DWARF debug info to emit.
a66049e2cf0ef1 Nick Desaulniers 2021-02-05  341  

:::::: The code at line 337 was first introduced by commit
:::::: a66049e2cf0ef166dba5bafdbb3062287fc965ad Kbuild: make DWARF version a choice

:::::: TO: Nick Desaulniers <ndesaulniers@...gle.com>
:::::: CC: Masahiro Yamada <masahiroy@...nel.org>

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