reproduce (this is a W=1 build): # https://github.com/baylibre/clk-meson/commit/fab4d651b592b3ebc836e410ae27b8b832a5bff2 git remote add baylibre-clk-meson https://github.com/baylibre/clk-meson.git git fetch --no-tags baylibre-clk-meson clk-meson-next git checkout fab4d651b592b3ebc836e410ae27b8b832a5bff2 git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # apt-get install sparse # sparse version: v0.6.4-73-gfbdde312 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.5.0 ~/lkp-tests/kbuild/make.cross W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.5.0 ~/lkp-tests/kbuild/make.cross W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/clk/meson/