depends  glib      &&
depends  gtk+      &&
depends  netpbm    &&
depends  libsigc++ &&
depends  autoconf  &&
depends  automake  &&
depends  libtool   &&

optional_depends  plib                                 \
                  "--with-plib"                        \
                  "--without-plib"                     \
                  "enable plib import/export library"  &&

optional_depends  python                                           \
                  "--with-python"                                  \
                  "--without-python"                               \
                  "enable python script engines (python2.2 only)"  &&

optional_depends  graphviz                                         \
                  "--with-graphviz"                                \
                  "--without-graphviz"                             \
                  "enable graphviz source documentation diagrams"  &&

optional_depends  freetype2                       \
                  "--with-freetype2"              \
                  "--without-freetype2"           \
                  "enable freetype2 text plugin"
