anchor.diff:  , jdk ? null
   , python ? null
   , overridePlatforms ? null
  -, sundials_2 ? null
  +, sundials ? null
   # - Build Octave Qt GUI:
   , enableQt ? false
   , qtbase ? null
  
positive.code:   ++ stdenv.lib.optionals (glpk != null) [ glpk ]
    ++ stdenv.lib.optionals (suitesparse != null) [ suitesparse' ]
    ++ stdenv.lib.optionals (enableJava) [ jdk ]
    ++ stdenv.lib.optionals (sundials_2 != null) [ sundials_2 ]
    ++ stdenv.lib.optionals (gnuplot != null) [ gnuplot ]
    ++ stdenv.lib.optionals (python != null) [ python ]
    ++ stdenv.lib.optionals (!stdenv.isDarwin) [ libGL libGLU libX11 ]
  
negative.code:     fftwSinglePrec
      texinfo
    ]
    ++ stdenv.lib.optionals (sundials != null) [ sundials ]
    ++ stdenv.lib.optionals enableJIT [ llvm ]
    ++ stdenv.lib.optionals enableQt [
      qtscript
  