040000 tree 8ef275385e291459a5291a35b7fc39b84168b632	build
040000 tree 855cfbb2db7ba7b353c6de495e96131eaf8a9a8b	core
040000 tree 32f2a8e84dc66faeb69db4640422848247949c38	cpp
040000 tree 57d60e668bbfa91076245c19374bb83911e83440	distrib