anchor.diff:        };
   
     cmakeFlagsAll = [
  -    "-DFPROFILE_GENERATE=OFF"
  -    "-DFPROFILE_USE=OFF"
  -    "-DNATIVE_BUILD=OFF"
  -    "-DCHECKED_BUILD=${boolOn debugSupport}"
  -    "-DENABLE_AGGRESSIVE_CHECKS=OFF"
       "-DENABLE_ASSEMBLY=ON"
       "-DENABLE_LIBNUMA=${boolOn (
         elem targetSystem platforms.linux
         && numactl != null)}"
  -      #"NO_ATOMICS"
       "-DENABLE_PIC=ON"
  -    "-DENABLE_AGGRESSIVE_CHECKS=OFF"
  -    "-DENABLE_ASSEMBLY=ON"
  -    "-DCHECKED_BUILD=OFF"
  -    "-DWARNINGS_AS_ERRORS=OFF"
  -    "-DENABLE_ALTIVEC=${boolOn (elem targetSystem platforms.powerpc-all)}"
  -    "-DCPU_POWER8=${boolOn (elem targetSystem platforms.powerpc-all)}"
  -    "-DENABLE_PPA=OFF"
  -    "-DENABLE_VTUNE=OFF"
       "-DDETAILED_CU_STATS=${boolOn custatsSupport}"
  -    "-DENABLE_TESTS=OFF"
     ];
   in
   
  
positive.code:       "-DENABLE_HDR10_PLUS=ON"
        "-DEXPORT_C_API=OFF"
        "-DHIGH_BIT_DEPTH=ON"
        "-DLINKED_8BIT=OFF"
        "-DLINKED_10BIT=OFF"
        "-DLINKED_12BIT=OFF"
        "-DMAIN12=ON"
      ] ++ cmakeFlagsAll;
  
  
negative.code:       sha256 = "d5e75fa62ffe6ed49e691f8eb8ab8c1634ffcc0725dd553c6fdb4d5443b494a2";
      };
      "head" = {
        fetchzipversion = 6;
        version = "2019-02-08";
        rev = "dcbec33bfb0f1cabdb1ff9eaadba5305ba23e6fa";
        sha256 = "cd7bfb8b68bf9a8b19ffe73ba8e70eedc3982c554318fd11e53fa943faccb8a6";
      };
    };
    source = sources."${channel}";
  