This is xnu-11215.1.10. See this file in:
export MakeInc_cmd=${SRCROOT}/makedefs/MakeInc.cmd
export MakeInc_def=${SRCROOT}/makedefs/MakeInc.def
export MakeInc_rule=${SRCROOT}/makedefs/MakeInc.rule
export MakeInc_dir=${SRCROOT}/makedefs/MakeInc.dir
include $(MakeInc_cmd)
include $(MakeInc_def)
DATAFILES = \
boot.h \
protos.h
INSTALL_MI_LIST = ${DATAFILES}
INSTALL_SF_MI_LCL_LIST = ${DATAFILES}
INSTALL_MI_DIR = pexpert/machine
EXPORT_MI_LIST = ${DATAFILES}
EXPORT_MI_DIR = pexpert/machine
include $(MakeInc_rule)
include $(MakeInc_dir)