tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-4.4 head: 357f5caad90a59b23d9a6c3f4961da3b02316dbd commit: a68363916acd81f8d65be02e8e6c79bd16554fb1 [57/62] kbuild: compute false-positive -Wmaybe-uninitialized cases in Kconfig config: i386-tinyconfig compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: git checkout a68363916acd81f8d65be02e8e6c79bd16554fb1 make ARCH=i386 tinyconfig make ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; Note: the sashal-linux-stable/queue-4.4 HEAD 357f5caad90a59b23d9a6c3f4961da3b02316dbd builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>, old ones prefixed by <<): init/Kconfig:20:warning: ignoring unsupported character '$' init/Kconfig:20:warning: ignoring unsupported character ',' init/Kconfig:20: invalid option init/Kconfig:1351: syntax error init/Kconfig:1350: unknown option "imply" kernel/trace/Kconfig:315: unknown option "imply" make[2]: *** [scripts/kconfig/Makefile:84: oldconfig] Error 1 make[1]: *** [Makefile:540: oldconfig] Error 2 make: *** [Makefile:152: sub-make] Error 2 -- init/Kconfig:20:warning: ignoring unsupported character '$' init/Kconfig:20:warning: ignoring unsupported character ',' init/Kconfig:20: invalid option init/Kconfig:1351: syntax error init/Kconfig:1350: unknown option "imply" kernel/trace/Kconfig:315: unknown option "imply" make[2]: *** [scripts/kconfig/Makefile:84: olddefconfig] Error 1 make[1]: *** [Makefile:540: olddefconfig] Error 2 make: *** [Makefile:152: sub-make] Error 2 -- init/Kconfig:20:warning: ignoring unsupported character '$' init/Kconfig:20:warning: ignoring unsupported character ',' init/Kconfig:20: invalid option init/Kconfig:1351: syntax error init/Kconfig:1350: unknown option "imply" kernel/trace/Kconfig:315: unknown option "imply" make[5]: *** [scripts/kconfig/Makefile:84: allnoconfig] Error 1 make[4]: *** [Makefile:540: allnoconfig] Error 2 make[3]: *** [Makefile:519: __build_one_by_one] Error 2 make[3]: Target 'allnoconfig' not remade because of errors. make[3]: Target 'tiny.config' not remade because of errors. make[2]: *** [scripts/kconfig/Makefile:129: tinyconfig] Error 2 make[1]: *** [Makefile:540: tinyconfig] Error 2 make: *** [Makefile:152: sub-make] Error 2 vim +21 init/Kconfig 22 GCC >= 4.7 supports this option. 23 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org