if (type == exact) { setupRequired(sconsUtils -j 2016_01.0) setupRequired(scons -j 2.3.5) setupRequired(python -j 0.0.3) setupOptional(doxygen -j 1.8.5.lsst1) } else { setupRequired(sconsUtils 2016_01.0 [>= 2016_01.0]) } }