code: """
  fujitsu
  
  Supports Fujitsu compiler function.
  This compiler is developed by Fujitsu and is used in A64FX on Fugaku.
  """
  from numpy.distutils.fcompiler import FCompiler
  
  compilers = ['FujitsuFCompiler']
  
  class FujitsuFCompiler(FCompiler):
      compiler_type = 'fujitsu'
      description = 'Fujitsu Fortran Compiler'
  
      possible_executables = ['frt']
      version_pattern = r'frt \(FRT\) (?P<version>[a-z\d.]+)'
      # $ frt --version
      # frt (FRT) x.x.x yyyymmdd
  
      executables = {
          'version_cmd'  : ["<F77>", "--version"],
          'compiler_f77' : ["frt", "-Fixed"],
          'compiler_fix' : ["frt", "-Fixed"],
          'compiler_f90' : ["frt"],
          'linker_so'    : ["frt", "-shared"],
          'archiver'     : ["ar", "-cr"],
          'ranlib'       : ["ranlib"]
          }
      pic_flags = ['-KPIC']
      module_dir_switch = '-M'
      module_include_switch = '-I'
  
      def get_flags_opt(self):
          return ['-O3']
      def get_flags_debug(self):
          return ['-g']
      def runtime_library_dir_option(self, dir):
          return f'-Wl,-rpath={dir}'
      def get_libraries(self):
          return ['fj90f', 'fj90i', 'fjsrcinfo']
  
  if __name__ == '__main__':
      from distutils import log
      from numpy.distutils import customized_fcompiler
      log.set_verbosity(2)
      print(customized_fcompiler('fujitsu').get_version())
  