virtual/libc
dev-lang/perl

python?
      ( dev-python/numeric )

java?
      ( virtual/jre )

jadetex?
      ( app-text/jadetex )

octave?
      ( sci-mathematics/octave )

jpeg?
      ( media-libs/gd )

png?
      ( media-libs/gd )

truetype?
      ( media-libs/freetype )

X?
      ( x11-libs/libX11 x11-libs/libXau x11-libs/libXdmcp tk?
            ( dev-lang/tk itcl?
                  ( dev-tcltk/itcl )
             )
       )