040000 tree 8989ef3e2c73b474a866c28d9e90f8afcdfd9742	builtins
100644 blob b26fc9f1c0718d64df6a14aac0d549b24005b205	lib.mk
040000 tree 7395f0f238fb91adfda3cbe6e591525f0580ff28	libc
040000 tree 6394b5036c14d371fcf2d3ddd87428ff95f35ebf	libm