code: def init_not_msvc(self):
          
          # find_library() does not search automatically LD_LIBRARY_PATH
          paths = os.environ.get('LD_LIBRARY_PATH', '').split(':')
          for gomp in ('libgomp.so', 'libgomp.dylib'):
              if cxx is None:
                  continue
              cmd = [cxx, '-print-file-name=' + gomp]
              # the subprocess can fail in various ways
              # in that case just give up that path
              try:
                  path = os.path.dirname(check_output(cmd).strip())
                  if path:
                      paths.append(path)
              except OSError:
                  pass
  
          # Try to load find libgomp shared library using loader search dirs
          libgomp_path = find_library("gomp")
  
          # Try to use custom paths if lookup failed
          for path in paths:
              if libgomp_path:
                  break
              path = path.strip()
              if os.path.isdir(path):
                  libgomp_path = find_library(os.path.join(str(path), "libgomp"))
  
          if not libgomp_path:
              raise ImportError("I can't find a shared library for libgomp,"
                                " you may need to install it or adjust the "
                                "LD_LIBRARY_PATH environment variable.")
          else:
              # Load the library (shouldn't fail with an absolute path right?)
              self.libomp = ctypes.CDLL(libgomp_path)
              self.version = 45
docs: Find OpenMP library and try to load if using ctype interface.