This is a copy of the kconfig code in the kernel (currently 2.6.30) tweaked to suit Buildroot. To update: cp -r /usr/src/linux/scripts/kconfig package/config.new cd package/config.new cp -a ../config/patches ../config/README.buildroot2 . quilt push -a # Fix any conflict cd .. rm -rf config mv config.new config Then verify the toplevel targets work: config defconfig menuconfig xconfig gconfig oldconfig