anchor.diff:  	"perlSupport" " --enable-perlinterp "
   	"tclSupport" " --enable-tclinterp "
   	"ximSupport" " --enable-xim "
  +	"eclSupport" " --enable-eclinterp "
   	];
   	buildInputsNames = args.lib.filter (x: (null!=getVal x)) 
   		(args.lib.uniqList {inputList = 
  
positive.code: 	["pythonSupport" "python"]
  	["perlSupport" "perl"]
  	["tclSupport" "tcl"]
  	["true" "ncurses"]
  	["false" "libSM"]
  	];
  
negative.code: args.stdenv.mkDerivation {
    name = args.lib.condConcat "vim-7.2" nameSuffixes check;
   
    src = args.lib.attrByPath ["src"] (args.fetchurl {
      url = ftp://ftp.vim.org/pub/vim/unix/vim-7.2.tar.bz2;
      sha256 = "11hxkb6r2550c4n13nwr0d8afvh30qjyr5c2hw16zgay43rb0kci";
    }) args;
   
    inherit (args) ncurses;
  
  