code: def _get_ldflags():
      
      # windows gcc does not support linking with unresolved symbols
      if sys.platform == 'win32':  # pragma: no cover (windows)
          prefix = getattr(sys, 'real_prefix', sys.prefix)
          libs = os.path.join(prefix, str('libs'))
          return str('-L{} -lpython{}{}').format(libs, *sys.version_info[:2])
  
      cc = subprocess.check_output(('go', 'env', 'CC')).decode('UTF-8').strip()
  
      with _tmpdir() as tmpdir:
          testf = os.path.join(tmpdir, 'test.c')
          with io.open(testf, 'w') as f:
              f.write('int f(int); int main(void) { return f(0); }\n')
  
          for lflag in LFLAGS:  # pragma: no cover (platform specific)
              try:
                  subprocess.check_call((cc, testf, lflag), cwd=tmpdir)
                  return lflag
              except subprocess.CalledProcessError:
                  pass
          else:  # pragma: no cover (platform specific)
              # wellp, none of them worked, fall back to gcc and they'll get a
              # hopefully reasonable error message
              return LFLAG_GCC
docs: Determine the correct link flags.  This attempts dummy compiles similar
      to how autotools does feature detection.