anchor.diff:    iphone64 = {
       config = "aarch64-apple-ios";
       # config = "aarch64-apple-darwin14";
  -    sdkVer = "12.4";
  -    xcodeVer = "10.3";
  +    sdkVer = "13.2";
  +    xcodeVer = "11.3.1";
       xcodePlatform = "iPhoneOS";
       useiOSPrebuilt = true;
       platform = {};
  
positive.code:   iphone64-simulator = {
      config = "x86_64-apple-ios";
      # config = "x86_64-apple-darwin14";
      sdkVer = "12.4";
      xcodeVer = "10.3";
      xcodePlatform = "iPhoneSimulator";
      useiOSPrebuilt = true;
      platform = {};
  
negative.code:   iphone32-simulator = {
      config = "i686-apple-ios";
      # config = "i386-apple-darwin11";
      sdkVer = "13.2";
      xcodeVer = "11.3.1";
      xcodePlatform = "iPhoneSimulator";
      useiOSPrebuilt = true;
      platform = {};
  