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 = \
OSByteOrder.h \
_OSByteOrder.h
DRIVERKIT_DATAFILES = \
OSByteOrder.h \
_OSByteOrder.h
INSTALL_MD_LIST = ${DATAFILES}
INSTALL_SF_MD_LCL_LIST = ${DATAFILES}
INSTALL_DRIVERKIT_MD_LIST = ${DRIVERKIT_DATAFILES}
DRIVERKITINCDIR = $(DRIVERKITSDKHEADERSROOT)/usr/local/include
INSTALL_MD_DIR = libkern/arm
EXPORT_MD_LIST = ${DATAFILES}
EXPORT_MD_DIR = libkern/arm
include $(MakeInc_rule)
include $(MakeInc_dir)