reproduce (this is a W=1 build): git remote add wireless-next https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git git fetch wireless-next main git checkout wireless-next/main b4 shazam https://lore.kernel.org/r/20240718025138.18777-7-pkshih@realtek.com # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=um olddefconfig make W=1 O=build_dir ARCH=um SHELL=/bin/bash