reproduce (this is a W=1 build):
        # https://github.com/morimoto/linux/commit/ee124ecd0cb27953c01b601bcb3e15734358af1c
        git remote add morimoto https://github.com/morimoto/linux
        git fetch --no-tags morimoto sound-cleanup-2026-09-04
        git checkout ee124ecd0cb27953c01b601bcb3e15734358af1c

        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash