| grub_script.yy.c:2296:17: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare] | grub_script.yy.c:2351:13: error: 'yy_fatal_error' defined but not used [-Werror=unused-function]
http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=9e280a1d1e415a796aa600fad68d84b817864a3a