anchor.diff:    libPath = stdenv.lib.makeLibraryPath
       [ stdenv.cc.cc
         alsaLib
  -      alsaLib.dev
  +      (lib.getDev alsaLib)
         atk
         cairo
         curl
  
positive.code: { stdenv, fetchurl, config, wrapGAppsHook
  , alsaLib
  , atk
  , cairo
  
negative.code:       pango
        libheimdal
        libpulseaudio
        (lib.getDev libpulseaudio)
        systemd
      ] + ":" + stdenv.lib.makeSearchPathOutput "lib" "lib64" [
        stdenv.cc.cc
  