040000 tree 9a2a38b0598c8b96a7475ee8bdddae5ad15d34af	carbon
040000 tree c018227e76f89d89b7db22d899f101f0c2d07e27	cocoa
040000 tree c1e58123d0acee770a9cfedab94a29d56efc285b	gtk
040000 tree 6a852fa8ef9a20440500e226bcc8aceafeffee11	win32