From /var/tmp/portage/x11-drivers/nvidia-drivers-331.17/temp/build.log, echo >&2 " ERROR: Kernel configuration is invalid."; \ echo >&2 " include/generated/autoconf.h or include/config/auto.conf are missing.";\ But I have both /usr/src/linux-3.11.6-gentoo/include/generated/autoconf.h and /usr/src/linux-3.11.6-gentoo/include/config/auto.conf More info. on request.
*** This bug has been marked as a duplicate of bug 447566 ***