anchor.diff:                      -fProduction
                       -fTDFA";
     preConfigure = "patchShebangs .";
  +  installPhase = "make PREFIX=$out CABAL=./Setup docs install";
     checkPhase = ''
       export HOME="$NIX_BUILD_TOP/tmp"
       mkdir "$HOME"
  
positive.code:     uuid wai waiLogger warp xmlConduit xmlTypes yesod yesodDefault
      yesodForm yesodStatic
    ];
    buildTools = [ bup curl git gnupg1 lsof openssh rsync ];
    configureFlags = "-fS3
                      -fWebDAV
                      -fInotify
  
negative.code: , monadControl, mtl, network, networkInfo, networkMulticast
  , networkProtocolXmpp, openssh, QuickCheck, random, regexTdfa
  , rsync, SafeSemaphore, SHA, stm, text, time, transformers
  , unixCompat, utf8String, uuid, wai, waiLogger, warp, which
  , xmlConduit, xmlTypes, yesod, yesodDefault, yesodForm, yesodStatic
  }:
  
  cabal.mkDerivation (self: {
  