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