040000 tree f84055d403be628402f13c0c590b24b99afb3a6f	build
040000 tree acb3aa12313a13c5269db9546bc3bdbf4cda890c	core
040000 tree a66dad205dfbab42a03426f5d74211bef69344fb	cpp
040000 tree 57d60e668bbfa91076245c19374bb83911e83440	distrib