anchor.diff:      };
     };
   
  +  PKG_CONFIG_CAMEL_1_2_CAMEL_PROVIDERDIR = "${placeholder "out"}/lib/evolution-data-server/camel-providers";
     PKG_CONFIG_LIBEDATASERVERUI_1_2_UIMODULEDIR = "${placeholder "out"}/lib/evolution-data-server/ui-modules";
   
     meta = with lib; {
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "evolution";
    version = "3.45.1";
  
    src = fetchurl {
      url = "mirror://gnome/sources/evolution/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
      sha256 = "/iRZq5DdZ86JdtWuu6ekP69gqvBJMeTWnxxG10ensW4=";
    };
  
    nativeBuildInputs = [
  
negative.code: , shared-mime-info
  , libical
  , db
  , gcr_4
  , sqlite
  , gnome
  , gnome-desktop
  