depends  freetype2          &&
depends -sub CXX gcc        &&
depends  pcre               &&
depends  libx11 '--with-x'  &&
depends  libxxf86vm         &&

optional_depends  xerces-c                          \
                  "--enable-xerces-c"               \
                  "--disable-xerces-c"              \
                  "Enable xerces-c support"         &&
optional_depends  libxml++                          \
                  "--enable-libxml"                 \
                  "--disable-libxml"                \
                  "Enable libxml parser module"     &&
optional_depends  expat                             \
                  "--enable-expat"                  \
                  "--disable-expat"                 \
                  "Enable expat xml parser"         &&
optional_depends  lua51                                        \
                  "--enable-lua-module --enable-toluacegui"  \
                  "--disable-lua-module"                     \
                  "Enable lua51 scripting support?"            &&
optional_depends  gtk+2                             \
                  "--with-gtk2"                     \
                  "--without-gtk2"                  \
                  "Enable gtk+2 support?"           &&
optional_depends  ogre                              \
                  "--enable-ogre-renderer"          \
                  "--disable-ogre-renderer"         \
                  "Enable ogre renderer?"           &&
optional_depends  OPENGL                            \
                  "--enable-opengl-renderer"        \
                  "--disable-opengl-renderer"       \
                  "for an OpenGL renderer"          &&
optional_depends  devil                             \
                  "--enable-devil"                  \
                  "--disable-devil"                 \
                  "for DevIL OpenGL image loading"  &&
optional_depends  python                            \
                  "--enable-python-module"          \
                  "--disable-python-module"         \
                  "Build python extension module?"  
