Masahiro Yamada | 8d45f36 | 2013-10-17 17:34:47 +0900 | [diff] [blame] | 1 | # our default target |
| 2 | .PHONY: all |
| 3 | all: |
| 4 | |
| 5 | include $(TOPDIR)/config.mk |
| 6 | |
| 7 | LIB := $(obj)built-in.o |
| 8 | LIBGCC = $(obj)libgcc.o |
| 9 | SRCS := |
| 10 | |
| 11 | include Makefile |
| 12 | |
Masahiro Yamada | 8d45f36 | 2013-10-17 17:34:47 +0900 | [diff] [blame] | 13 | # Going forward use the following |
| 14 | obj-y := $(sort $(obj-y)) |
| 15 | extra-y := $(sort $(extra-y)) |
| 16 | lib-y := $(sort $(lib-y)) |
| 17 | |
Masahiro Yamada | 1b8b224 | 2013-10-17 20:38:51 +0900 | [diff] [blame] | 18 | subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) |
| 19 | obj-y := $(patsubst %/, %/built-in.o, $(obj-y)) |
| 20 | subdir-obj-y := $(filter %/built-in.o, $(obj-y)) |
| 21 | subdir-obj-y := $(addprefix $(obj),$(subdir-obj-y)) |
| 22 | |
Masahiro Yamada | 1da00f5 | 2013-11-11 14:35:49 +0900 | [diff] [blame] | 23 | SRCS += $(wildcard $(obj-y:.o=.c) $(obj-y:.o=.S) $(lib-y:.o=.c) \ |
| 24 | $(lib-y:.o=.S) $(extra-y:.o=.c) $(extra-y:.o=.S)) |
| 25 | OBJS := $(addprefix $(obj),$(obj-y)) |
Masahiro Yamada | 8d45f36 | 2013-10-17 17:34:47 +0900 | [diff] [blame] | 26 | |
Masahiro Yamada | 66023c7 | 2013-11-11 14:35:54 +0900 | [diff] [blame] | 27 | # $(obj-dirs) is a list of directories that contain object files |
| 28 | obj-dirs := $(dir $(OBJS)) |
| 29 | |
| 30 | # Create directories for object files if directory does not exist |
| 31 | # Needed when obj-y := dir/file.o syntax is used |
| 32 | _dummy := $(foreach d,$(obj-dirs), $(shell [ -d $(d) ] || mkdir -p $(d))) |
| 33 | |
Masahiro Yamada | 1da00f5 | 2013-11-11 14:35:49 +0900 | [diff] [blame] | 34 | LGOBJS := $(addprefix $(obj),$(sort $(lib-y))) |
Masahiro Yamada | 8d45f36 | 2013-10-17 17:34:47 +0900 | [diff] [blame] | 35 | |
| 36 | all: $(LIB) $(addprefix $(obj),$(extra-y)) |
| 37 | |
| 38 | $(LIB): $(obj).depend $(OBJS) |
| 39 | $(call cmd_link_o_target, $(OBJS)) |
| 40 | |
| 41 | ifneq ($(strip $(lib-y)),) |
| 42 | all: $(LIBGCC) |
| 43 | |
| 44 | $(LIBGCC): $(obj).depend $(LGOBJS) |
| 45 | $(call cmd_link_o_target, $(LGOBJS)) |
| 46 | endif |
| 47 | |
Masahiro Yamada | 1b8b224 | 2013-10-17 20:38:51 +0900 | [diff] [blame] | 48 | ifneq ($(subdir-obj-y),) |
| 49 | # Descending |
| 50 | $(subdir-obj-y): $(subdir-y) |
| 51 | |
| 52 | $(subdir-y): FORCE |
| 53 | $(MAKE) -C $@ -f $(TOPDIR)/scripts/Makefile.build |
| 54 | endif |
| 55 | |
Masahiro Yamada | 8d45f36 | 2013-10-17 17:34:47 +0900 | [diff] [blame] | 56 | ######################################################################### |
| 57 | |
| 58 | # defines $(obj).depend target |
| 59 | |
| 60 | include $(TOPDIR)/rules.mk |
| 61 | |
| 62 | sinclude $(obj).depend |
| 63 | |
| 64 | ######################################################################### |
Masahiro Yamada | 1b8b224 | 2013-10-17 20:38:51 +0900 | [diff] [blame] | 65 | |
| 66 | .PHONY: FORCE |