040000 tree 8ef275385e291459a5291a35b7fc39b84168b632	build
040000 tree e41434522ec2af70631ee501ca558805721dda0f	core
040000 tree 3377c5cb6f506f586031a8b7a174922bcc76a5a3	cpp
040000 tree 942920c900a35133c2721fbb53902d02b041cab2	distrib