anchor.diff:        done
       '';
   
  -    passthru = {
  -      qemu = afl-qemu;
  -    };
  +    passthru.qemu = afl-qemu;
   
       meta = {
         description = "Powerful fuzzer via genetic algorithms and instrumentation";
  
positive.code:       url    = "http://lcamtuf.coredump.cx/afl/releases/${name}.tgz";
        sha256 = "0ig0ij4n1pwry5dw1hk4q88801jzzy2cric6y2gd6560j55lnqa3";
      };
  
      # Note: libcgroup isn't needed for building, just for the afl-cgroup
      # script.
      buildInputs  = [ makeWrapper llvm which ];
  
      buildPhase   = ''
        make PREFIX=$out
        cd llvm_mode
        make PREFIX=$out
        cd ..
      '';
      installPhase = ''
        # Do the normal installation
        make install PREFIX=$out
  
        # Install the custom QEMU emulator for binary blob fuzzing.
        cp ${afl-qemu}/bin/${qemu-exe-name} $out/bin/afl-qemu-trace
  
  
negative.code:     };
    };
  in afl
  