text: // HAVE_RDSEED
  
  #undef HAVE_RDSEED
  
  /* GCC, Clang: -mrdseed
   *
   * MSVC: No controlling compiler option nor indicating macro. The
   *       documentation murkily says it's always enabled on Intel and only
   *       Intel processors; see:
   *       https://docs.microsoft.com/en-us/cpp/intrinsics/x86-intrinsics-list
   *       https://docs.microsoft.com/en-us/cpp/intrinsics/x64-amd64-intrinsics-list)
   */
  #ifdef __RDSEED__
  #  define HAVE_RDSEED 1
  #endif
  