depends tcl &&
depends tk &&
depends freetype2 &&
depends ftgl &&
depends glu &&
depends OPENGL &&
depends libxmu &&
depends itcl &&
depends itk &&
#optional_depends freeimage \
#                 "-DUSE_FREEIMAGE=on" \
#                 "-DUSE_FREEIMAGE=off" \
#                 "for support for various image formats" &&
optional_depends gl2ps \
                 "-DUSE_GL2PS=on" \
                 "-DUSE_GL2PS=off" \
                 "for printing support" &&
optional_depends tbb \
                 "-DUSE_TBB=on" \
                 "-DUSE_TBB=off" \
                "for multithreading" &&
optional_depends vtk \
                 "-DUSE_VTK=on -D3RDPARTY_VTK_INCLUDE_DIR=${TRACK_ROOT}/usr/include/vtk-7.0 -D3RDPARTY_VTK_LIBRARY_DIR=${TRACK_ROOT}/usr/lib" \
                 "-DUSE_VTK=off" \
                 "for visualization support" 
