ref: 749ed4e4f1ca6a787e629cf6589b347d2d4163dc dir: /sys/src/libavl/mkfile/
</$objtype/mkfile LIB=/$objtype/lib/libavl.a OFILES=\ avl.$O\ HFILES=\ /sys/include/avl.h\ </sys/src/cmd/mksyslib