ref: b8ade0f0e74db49b8d1686e29a5d3dabb3a2d93b dir: /sys/src/libavl/mkfile/
</$objtype/mkfile LIB=/$objtype/lib/libavl.a OFILES=\ avl.$O\ HFILES=\ /sys/include/avl.h\ </sys/src/cmd/mksyslib