040000 tree 2ccc6ec4280d72c5fe4b975212773994e110cb61	Darwin-gcc3
040000 tree 6367ee0dea1a4b628e7f29e5020ebaa4db417a7d	Linux_x86-gcc3
040000 tree cfd203b340fc4ec2932ac6415e7effb182835fec	Linux_x86_64-gcc3
040000 tree a986980ee6cf42c1410829979ab920c3d5534f38	WINNT_x86-msvc