code: def add_f95_to_env(env):
      
      try:
          F95Suffixes = env['F95FILESUFFIXES']
      except KeyError:
          F95Suffixes = ['.f95']
  
      #print("Adding %s to f95 suffixes" % F95Suffixes)
      try:
          F95PPSuffixes = env['F95PPFILESUFFIXES']
      except KeyError:
          F95PPSuffixes = []
  
      DialectAddToEnv(env, "F95", F95Suffixes, F95PPSuffixes,
                      support_module = 1)
docs: Add Builders and construction variables for f95 to an Environment.