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 = \
devfs.h
KERNELFILES = \
devfs.h \
fdesc.h \
devfs_proto.h \
devfsdefs.h
INSTALL_MI_LIST = ${DATAFILES}
INSTALL_SF_MI_LCL_LIST = ${DATAFILES}
INSTALL_MI_DIR = miscfs/devfs
INSTALL_KF_MI_LIST = ${DATAFILES}
INSTALL_KF_MI_LCL_LIST = ${DATAFILES} devfs_proto.h devfsdefs.h
EXPORT_MI_LIST = ${KERNELFILES}
EXPORT_MI_DIR = miscfs/devfs
include $(MakeInc_rule)
include $(MakeInc_dir)