arm davinci_all_defconfig config with clang 10, 11 and 12 failing on Linux next tag 20210222 due to below listed errors / warnings. - arm (davinci_all_defconfig) with clang-10 - arm (davinci_all_defconfig) with clang-11 - arm (davinci_all_defconfig) with clang-12 make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/tmp ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- 'HOSTCC=sccache clang' 'CC=sccache clang' davinci_all_defconfig make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/tmp ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- 'HOSTCC=sccache clang' 'CC=sccache clang' include/linux/gfp.h:20:32: error: redefinition of typedef 'gfp_t' is a C11 feature [-Werror,-Wtypedef-redefinition] typedef unsigned int __bitwise gfp_t; // repeated here for kernel-doc ^ include/linux/types.h:148:32: note: previous definition is here typedef unsigned int __bitwise gfp_t; ^ 1 warning generated. 1 warning generated. 1 warning generated. 1 warning generated. 1 error generated. make[5]: *** [scripts/Makefile.build:287: drivers/gpu/drm/tilcdc/tilcdc_plane.o] Error 1 Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> Step to reproduce: --------------------------- # TuxMake is a command line tool and Python library that provides # portable and repeatable Linux kernel builds across a variety of # architectures, toolchains, kernel configurations, and make targets. # # TuxMake supports the concept of runtimes. # See https://docs.tuxmake.org/runtimes/, for that to work it requires # that you install podman or docker on your system. # # To install tuxmake on your system globally: # sudo pip3 install -U tuxmake # # See https://docs.tuxmake.org/ for complete documentation. tuxmake --runtime podman --target-arch arm --toolchain clang-10 --kconfig davinci_all_defconfig build log, https://builds.tuxbuild.com/1opbM56yvX4uyeXV8JBwFNz9WEQ/ -- Linaro LKFT https://lkft.linaro.org