tree: https://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu.git armnommu head: 6ffd7a3db739bfbe74f339ddf1ba19083ddd319e commit: 6ffd7a3db739bfbe74f339ddf1ba19083ddd319e [4/4] ARM: versatile: support configuring versatile machine for no-MMU config: arm-randconfig-p002-20211205 (https://download.01.org/0day-ci/archive/20211205/202112050940.8HUo4dw9-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu.git/commit/?id=6ffd7a3db739bfbe74f339ddf1ba19083ddd319e git remote add gerg-m68knommu https://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu.git git fetch --no-tags gerg-m68knommu armnommu git checkout 6ffd7a3db739bfbe74f339ddf1ba19083ddd319e # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All error/warnings (new ones prefixed by >>): >> cc1: warning: arch/arm/mach-versatile/include: No such file or directory [-Wmissing-include-dirs] -- >> cc1: error: arch/arm/mach-versatile/include: No such file or directory [-Werror=missing-include-dirs] cc1: all warnings being treated as errors -- >> cc1: warning: arch/arm/mach-versatile/include: No such file or directory [-Wmissing-include-dirs] drivers/dax/super.c:375:6: warning: no previous prototype for 'run_dax' [-Wmissing-prototypes] 375 | void run_dax(struct dax_device *dax_dev) | ^~~~~~~ -- >> arm-linux-gnueabi-gcc: error: unrecognized command-line option '-Wout-of-line-declaration'; did you mean '-Wold-style-declaration'? -- >> cc1: warning: arch/arm/mach-versatile/include: No such file or directory [-Wmissing-include-dirs] init/main.c:768:20: warning: no previous prototype for 'arch_post_acpi_subsys_init' [-Wmissing-prototypes] 768 | void __init __weak arch_post_acpi_subsys_init(void) { } | ^~~~~~~~~~~~~~~~~~~~~~~~~~ init/main.c:780:20: warning: no previous prototype for 'mem_encrypt_init' [-Wmissing-prototypes] 780 | void __init __weak mem_encrypt_init(void) { } | ^~~~~~~~~~~~~~~~ init/main.c:782:20: warning: no previous prototype for 'poking_init' [-Wmissing-prototypes] 782 | void __init __weak poking_init(void) { } | ^~~~~~~~~~~ -- >> cc1: warning: arch/arm/mach-versatile/include: No such file or directory [-Wmissing-include-dirs] init/calibrate.c:261:37: warning: no previous prototype for 'calibrate_delay_is_known' [-Wmissing-prototypes] 261 | unsigned long __attribute__((weak)) calibrate_delay_is_known(void) | ^~~~~~~~~~~~~~~~~~~~~~~~ -- >> cc1: warning: arch/arm/mach-versatile/include: No such file or directory [-Wmissing-include-dirs] arch/arm/kernel/ptrace.c:854:16: warning: no previous prototype for 'syscall_trace_enter' [-Wmissing-prototypes] 854 | asmlinkage int syscall_trace_enter(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~ arch/arm/kernel/ptrace.c:882:17: warning: no previous prototype for 'syscall_trace_exit' [-Wmissing-prototypes] 882 | asmlinkage void syscall_trace_exit(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~ -- >> cc1: warning: arch/arm/mach-versatile/include: No such file or directory [-Wmissing-include-dirs] arch/arm/kernel/reboot.c:78:6: warning: no previous prototype for 'soft_restart' [-Wmissing-prototypes] 78 | void soft_restart(unsigned long addr) | ^~~~~~~~~~~~ -- >> cc1: warning: arch/arm/mach-versatile/include: No such file or directory [-Wmissing-include-dirs] arch/arm/kernel/signal.c:186:16: warning: no previous prototype for 'sys_sigreturn' [-Wmissing-prototypes] 186 | asmlinkage int sys_sigreturn(struct pt_regs *regs) | ^~~~~~~~~~~~~ arch/arm/kernel/signal.c:216:16: warning: no previous prototype for 'sys_rt_sigreturn' [-Wmissing-prototypes] 216 | asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~ arch/arm/kernel/signal.c:601:1: warning: no previous prototype for 'do_work_pending' [-Wmissing-prototypes] 601 | do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) | ^~~~~~~~~~~~~~~ -- >> cc1: warning: arch/arm/mach-versatile/include: No such file or directory [-Wmissing-include-dirs] arch/arm/kernel/sys_arm.c:32:17: warning: no previous prototype for 'sys_arm_fadvise64_64' [-Wmissing-prototypes] 32 | asmlinkage long sys_arm_fadvise64_64(int fd, int advice, | ^~~~~~~~~~~~~~~~~~~~ -- >> cc1: warning: arch/arm/mach-versatile/include: No such file or directory [-Wmissing-include-dirs] arch/arm/kernel/time.c:88:13: warning: no previous prototype for 'time_init' [-Wmissing-prototypes] 88 | void __init time_init(void) | ^~~~~~~~~ .. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org