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)
OBJS = decomment.o
CFLAGS = -isysroot $(HOST_SDKROOT) -mmacosx-version-min=$(HOST_OS_VERSION) -g -O0 -I$(SOURCE) -I.
WARNFLAGS = -Wall
LDFLAGS = -isysroot $(HOST_SDKROOT) -mmacosx-version-min=$(HOST_OS_VERSION)
decomment: $(OBJS)
@$(LOG_HOST_LD) "$@"
$(_v)$(HOST_CC) $(LDFLAGS) -o $@ $^
@$(LOG_HOST_CODESIGN) "$@"
$(_v)env CODESIGN_ALLOCATE=$(HOST_CODESIGN_ALLOCATE) $(HOST_CODESIGN) -s - $@
%.o: %.c
@$(LOG_HOST_CC) "$@"
$(_v)$(HOST_CC) $(WARNFLAGS) $(CFLAGS) -c -o $@ $<
do_build_setup:: decomment
include $(MakeInc_rule)
include $(MakeInc_dir)