old_contents: # https://developer.nvidia.com/hpc-sdk
  import sys
  
  from numpy.distutils.fcompiler import FCompiler
  
  compilers = ['NVHPCFCompiler']
  
  """
  Since august 2020 the NVIDIA HPC SDK includes the compilers formely known as The Portland Group compilers.
  https://www.pgroup.com/index.htm
  """
  class NVHPCFCompiler(FCompiler):
  
      compiler_type = 'nv'
      description = 'NVIDIA HPC SDK'
      version_pattern = r'\s*(nvfortran|(pg(f77|f90|fortran)) \(aka nvfortran\)) (?P<version>[\d.-]+).*'
  
      executables = {
          'version_cmd': ["<F90>", "-V"],
          'compiler_f77': ["nvfortran"],
          'compiler_fix': ["nvfortran", "-Mfixed"],
          'compiler_f90': ["nvfortran"],
          'linker_so': ["<F90>"],
          'archiver': ["ar", "-cr"],
          'ranlib': ["ranlib"]
      }
      pic_flags = ['-fpic']
  
      module_dir_switch = '-module '
      module_include_switch = '-I'
  
      def get_flags(self):
          opt = ['-Minform=inform', '-Mnosecond_underscore']
          return self.pic_flags + opt
  
      def get_flags_opt(self):
          return ['-fast']
  
      def get_flags_debug(self):
          return ['-g']
  
      def get_flags_linker_so(self):
          return ["-shared", '-fpic']
  
      def runtime_library_dir_option(self, dir):
          return '-R%s' % dir
  
  if __name__ == '__main__':
      from distutils import log
      log.set_verbosity(2)
      from numpy.distutils import customized_fcompiler
      print(customized_fcompiler(compiler='nv').get_version())
  
new_contents: import sys
  
  from numpy.distutils.fcompiler import FCompiler
  
  compilers = ['NVHPCFCompiler']
  
  class NVHPCFCompiler(FCompiler):
     """ NVIDIA High Performance Computing (HPC) SDK Fortran Compiler
     
     https://developer.nvidia.com/hpc-sdk
     
     Since august 2020 the NVIDIA HPC SDK includes the compilers formerly known as The Portland Group compilers,
     https://www.pgroup.com/index.htm.
     See also `numpy.distutils.fcompiler.pg`.
     """
  
      compiler_type = 'nv'
      description = 'NVIDIA HPC SDK'
      version_pattern = r'\s*(nvfortran|(pg(f77|f90|fortran)) \(aka nvfortran\)) (?P<version>[\d.-]+).*'
  
      executables = {
          'version_cmd': ["<F90>", "-V"],
          'compiler_f77': ["nvfortran"],
          'compiler_fix': ["nvfortran", "-Mfixed"],
          'compiler_f90': ["nvfortran"],
          'linker_so': ["<F90>"],
          'archiver': ["ar", "-cr"],
          'ranlib': ["ranlib"]
      }
      pic_flags = ['-fpic']
  
      module_dir_switch = '-module '
      module_include_switch = '-I'
  
      def get_flags(self):
          opt = ['-Minform=inform', '-Mnosecond_underscore']
          return self.pic_flags + opt
  
      def get_flags_opt(self):
          return ['-fast']
  
      def get_flags_debug(self):
          return ['-g']
  
      def get_flags_linker_so(self):
          return ["-shared", '-fpic']
  
      def runtime_library_dir_option(self, dir):
          return '-R%s' % dir
  
  if __name__ == '__main__':
      from distutils import log
      log.set_verbosity(2)
      from numpy.distutils import customized_fcompiler
      print(customized_fcompiler(compiler='nv').get_version())
  
subject: Update numpy/distutils/fcompiler/nv.py