Re: [PATCH 1/4] selftests: riscv: Add definition of BIT() macro

[kernel test robot]

Hi Charlie,

kernel test robot noticed the following build errors:

[auto build test ERROR on c107785c7e8dbabd1c18301a1c362544b5786282]

url:    https://github.com/intel-lab-lkp/linux/commits/Charlie-Jenkins-via-B4-Relay/selftests-riscv-Add-definition-of-BIT-macro/20260305-164838
base:   c107785c7e8dbabd1c18301a1c362544b5786282
patch link:    https://lore.kernel.org/r/20260305-fix_selftests-v1-1-61b62d23500b%40gmail.com
patch subject: [PATCH 1/4] selftests: riscv: Add definition of BIT() macro
config: riscv-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260305/202603051713.xu4BUyLe-lkp@xxxxxxxxx/config)
compiler: riscv64-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260305/202603051713.xu4BUyLe-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603051713.xu4BUyLe-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from /usr/riscv64-linux-gnu/include/stdint.h:34,
                    from /usr/lib/gcc-cross/riscv64-linux-gnu/14/include/stdint.h:9,
                    from tools/testing/selftests/../../../tools/include/linux/types.h:7,
                    from ./../../../../include/nolibc/std.h:19,
                    from ./../../../../include/nolibc/nolibc.h:95,
                    from <command-line>:
>> /usr/riscv64-linux-gnu/include/bits/stdint-intn.h:27:19: error: conflicting types for 'int64_t'; have '__int64_t' {aka 'long int'}
      27 | typedef __int64_t int64_t;
         |                   ^~~~~~~
   In file included from ./../../../../include/nolibc/std.h:16:
   ./../../../../include/nolibc/stdint.h:17:29: note: previous declaration of 'int64_t' with type 'int64_t' {aka 'long long int'}
      17 | typedef   signed long long  int64_t;
         |                             ^~~~~~~
   In file included from /usr/riscv64-linux-gnu/include/stdint.h:37:
>> /usr/riscv64-linux-gnu/include/bits/stdint-uintn.h:27:20: error: conflicting types for 'uint64_t'; have '__uint64_t' {aka 'long unsigned int'}
      27 | typedef __uint64_t uint64_t;
         |                    ^~~~~~~~
   ./../../../../include/nolibc/stdint.h:16:28: note: previous declaration of 'uint64_t' with type 'uint64_t' {aka 'long long unsigned int'}
      16 | typedef unsigned long long uint64_t;
         |                            ^~~~~~~~
   In file included from /usr/riscv64-linux-gnu/include/stdint.h:41:
>> /usr/riscv64-linux-gnu/include/bits/stdint-least.h:28:25: error: conflicting types for 'int_least64_t'; have '__int_least64_t' {aka 'long int'}
      28 | typedef __int_least64_t int_least64_t;
         |                         ^~~~~~~~~~~~~
   ./../../../../include/nolibc/stdint.h:30:23: note: previous declaration of 'int_least64_t' with type 'int_least64_t' {aka 'long long int'}
      30 | typedef  int64_t      int_least64_t;
         |                       ^~~~~~~~~~~~~
>> /usr/riscv64-linux-gnu/include/bits/stdint-least.h:34:26: error: conflicting types for 'uint_least64_t'; have '__uint_least64_t' {aka 'long unsigned int'}
      34 | typedef __uint_least64_t uint_least64_t;
         |                          ^~~~~~~~~~~~~~
   ./../../../../include/nolibc/stdint.h:31:22: note: previous declaration of 'uint_least64_t' with type 'uint_least64_t' {aka 'long long unsigned int'}
      31 | typedef uint64_t     uint_least64_t;
         |                      ^~~~~~~~~~~~~~
>> /usr/riscv64-linux-gnu/include/stdint.h:51:33: error: conflicting types for 'int_fast64_t'; have 'long int'
      51 | typedef long int                int_fast64_t;
         |                                 ^~~~~~~~~~~~
   ./../../../../include/nolibc/stdint.h:39:24: note: previous declaration of 'int_fast64_t' with type 'int_fast64_t' {aka 'long long int'}
      39 | typedef  int64_t       int_fast64_t;
         |                        ^~~~~~~~~~~~
>> /usr/riscv64-linux-gnu/include/stdint.h:64:33: error: conflicting types for 'uint_fast64_t'; have 'long unsigned int'
      64 | typedef unsigned long int       uint_fast64_t;
         |                                 ^~~~~~~~~~~~~
   ./../../../../include/nolibc/stdint.h:40:23: note: previous declaration of 'uint_fast64_t' with type 'uint_fast64_t' {aka 'long long unsigned int'}
      40 | typedef uint64_t      uint_fast64_t;
         |                       ^~~~~~~~~~~~~

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