On Thu, Feb 20, 2020 at 8:37 AM kbuild test robot <lkp@xxxxxxxxx> wrote: > > 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",\ Thanks for the report. This is a warning from the toolchain headers. I cannot fix it. I do not see this warning on newer GCC. > | ^ > /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 -- Best Regards Masahiro Yamada