Error from compilation : [...] In file included from include/linux/compiler.h:54:0, from include/uapi/linux/stddef.h:1, from include/linux/stddef.h:4, from /usr/src/linux-3.11.7-gentoo/include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/list.h:4, from include/linux/module.h:9, from /var/tmp/portage/x11-drivers/nvidia-drivers-361.28-r2/work/kernel/nvidia-modeset/nvidia-modeset-linux.c:11: include/linux/compiler-gcc.h:103:30: fatal error: linux/compiler-gcc5.h: No such file or directory compilation terminated. I got sys-devel/gcc-5.3.0 here on ~amd64 Compiles fine with older gcc-4.9.3.