Hi Masahiro, I love your patch! Perhaps something to improve: [auto build test WARNING on kbuild/for-next] [also build test WARNING on kbuild/kconfig linux/master linus/master v5.6-rc2 next-20200219] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Masahiro-Yamada/kconfig-remove-unused-variable-in-qconf-cc/20200219-035229 base: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next config: i386-randconfig-a003-20200219 (attached as .config) compiler: gcc-5 (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171010 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:27, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts//gcc-plugins/gcc-common.h:9, from scripts//gcc-plugins/cyc_complexity_plugin.c:21: >> /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/config/elfos.h:102:21: warning: C++11 requires a space between string literal and macro [-Wc++11-compat] 102 | fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ | ^ /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/config/elfos.h:170:24: warning: C++11 requires a space between string literal and macro [-Wc++11-compat] 170 | fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ | ^ In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:48, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts//gcc-plugins/gcc-common.h:9, from scripts//gcc-plugins/cyc_complexity_plugin.c:21: >> /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/defaults.h:126:24: warning: C++11 requires a space between string literal and macro [-Wc++11-compat] 126 | fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ | ^ -- In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:27, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/randomize_layout_plugin.c:19: >> /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/config/elfos.h:102:21: warning: C++11 requires a space between string literal and macro [-Wc++11-compat] 102 | fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ | ^ /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/config/elfos.h:170:24: warning: C++11 requires a space between string literal and macro [-Wc++11-compat] 170 | fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ | ^ In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:27, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/cyc_complexity_plugin.c:21: >> /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/config/elfos.h:102:21: warning: C++11 requires a space between string literal and macro [-Wc++11-compat] 102 | fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ | ^ /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/config/elfos.h:170:24: warning: C++11 requires a space between string literal and macro [-Wc++11-compat] 170 | fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ | ^ In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:48, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/randomize_layout_plugin.c:19: >> /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/defaults.h:126:24: warning: C++11 requires a space between string literal and macro [-Wc++11-compat] 126 | fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ | ^ In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:48, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/cyc_complexity_plugin.c:21: >> /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/defaults.h:126:24: warning: C++11 requires a space between string literal and macro [-Wc++11-compat] 126 | fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ | ^ Cyclomatic Complexity 1 scripts/mod/devicetable-offsets.c:main Cyclomatic Complexity 1 kernel/bounds.c:main Cyclomatic Complexity 1 arch/x86/kernel/asm-offsets_32.c:foo Cyclomatic Complexity 1 arch/x86/kernel/asm-offsets.c:common 51 real 8 user 9 sys 33.65% cpu make prepare --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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