anchor.diff:        "PREFIX=$out"
         "UDEVLIBDIR=$out/lib/udev"
       )
  +    sed -i '/-static/d' Makefile
     '';
   
     preInstall = ''
  -    mkdir -p "$out/lib/udev/rules.d"
       mkdir -p "$out/bin"
       mkdir -p "$out/sbin"
       mkdir -p "$out/share/man/man8"
  +  '' + optionalString (channel == "stable") ''
  +    mkdir -p "$out/lib/udev/rules.d"
     '';
   
     meta = with stdenv.lib; {
  
positive.code:   buildInputs = [
      libnih
      util-linux_lib
    ];
  
    preBuild = ''
  
negative.code:       sha256 = "496ae8691eb9c5a233bd99ed7984cbe129d702c322dc540143cd4012b24a4dad";
      };
      "dev" = {
        version = "2016-08-25";
        rev = "97de91cb580a2e31352860dfc0642579d21d3b7a";
        sha256 = "0f42bcd2f3226ad6e1bb0d3f8948a149467dcfa6e37d12c0421656159cb4d51c";
      };
    };
  
    inherit (stdenv.lib)
      optionals
      optionalString;
  
    inherit (sources.${channel})
      rev
  