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  • Masahiro Yamada's avatar
    kbuild: fix UML build error with CONFIG_GCC_PLUGINS · 65bba042
    Masahiro Yamada authored
    UML fails to build with CONFIG_GCC_PLUGINS=y.
    
    $ make -s ARCH=um mrproper
    $ make -s ARCH=um allmodconfig
    $ make ARCH=um
      UPD     include/generated/uapi/linux/version.h
      WRAP    arch/x86/include/generated/uapi/asm/bpf_perf_event.h
      WRAP    arch/x86/include/generated/uapi/asm/poll.h
      WRAP    arch/x86/include/generated/asm/dma-contiguous.h
      WRAP    arch/x86/include/generated/asm/early_ioremap.h
      WRAP    arch/x86/include/generated/asm/export.h
      WRAP    arch/x86/include/generated/asm/mcs_spinlock.h
      WRAP    arch/x86/include/generated/asm/mm-arch-hooks.h
      SYSTBL  arch/x86/include/generated/asm/syscalls_32.h
      SYSHDR  arch/x86/include/generated/asm/unistd_32_ia32.h
      SYSHDR  arch/x86/include/generated/asm/unistd_64_x32.h
      SYSTBL  arch/x86/include/generated/asm/syscalls_64.h
      SYSHDR  arch/x86/include/generated/uapi/asm/unistd_32.h
      SYSHDR  arch/x86/include/generated/uapi/asm/unistd_64.h
      SYSHDR  arch/x86/include/generated/uapi/asm/unistd_x32.h
      HOSTCC  scripts/unifdef
      CC      arch/x86/um/user-offsets.s
    cc1: error: cannot load plugin ./scripts/gcc-plugins/cyc_complexity_plugin.so
    ./scripts/gcc-plugins/cyc_complexity_plugin.so: cannot open shared object file: No such file or directory
    cc1: error: cannot load plugin ./scripts/gcc-plugins/structleak_plugin.so
    ./scripts/gcc-plugins/structleak_plugin.so: cannot open shared object file: No such file or directory
    cc1: error: cannot load plugin ./scripts/gcc-plugins/latent_entropy_plugin.so
    ./scripts/gcc-plugins/latent_entropy_plugin.so: cannot open shared object file: No such file or directory
    cc1: error: cannot load plugin ./scripts/gcc-plugins/randomize_layout_plugin.so
    ./scripts/gcc-plugins/randomize_layout_plugin.so: cannot open shared object file: No such file or directory
    make[1]: *** [scripts/Makefile.build;119: arch/x86/um/user-offsets.s] Error 1
    make: *** [arch/um/Makefile;152: arch/x86/um/user-offsets.s] Error 2
    
    Reorder the preparation stage (with cleanups) to make sure gcc-plugins
    is built before descending to arch/x86/um/.
    
    Fixes: 6b90bd4b
    
     ("GCC plugin infrastructure")
    Reported-by: default avatarkbuild test robot <lkp@intel.com>
    Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
    65bba042