anchor.diff:      platforms = platforms.unix;
       license = licenses.asl20;
       maintainers = with maintainers; [ dasisdormax ];
  -    broken = !gccStdenv.is64bit;
  +    broken = !stdenv.is64bit;
     };
   }
  
positive.code:       --replace 'string(TIMESTAMP astcencoder_YEAR "%Y")' 'set(astcencoder_YEAR "2022")'
    '';
  
    # Link binaries into environment and provide 'astcenc' link
    postInstall = ''
      mv $out/astcenc $out/bin
      ln -s $out/bin/astcenc-${mainBinary} $out/bin/astcenc
    '';
  
  
negative.code: with rec {
    # SIMD instruction sets to compile for. If none are specified by the user,
    # an appropriate one is selected based on the detected host system
    isas = with stdenv.hostPlatform;
      if simdExtensions != null then lib.toList simdExtensions
      else if avx2Support then [ "AVX2" ]
      else if sse4_1Support then [ "SSE41" ]
  