epc/Makefile.common at main · raphui/epc · GitHub

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# Copyright (C) 2015 Raphaël Poggi. All rights reserved.
# Author: Raphaël Poggi <poggi.raph@gmail.com>
#
# Provided under the three clause BSD license found in the LICENSE file.

subdirs-y :=
dep = $(obj-y:.o=.d) $(ld-script-y:.lds=.d) $(extra-y:.lds=.d)

include $(dir)/Makefile

prepend-dir-to = $(addprefix $(dir)/,$1)
prepend-dir = $(foreach d,$($1),$(call prepend-dir-to,$(d)))

$(call prepend-dir,subdirs-y):
	$(MAKE) -f Makefile.common dir=$@ $(MAKECMDGOALS)

all: $(call prepend-dir,subdirs-y) $(call prepend-dir,obj-y) $(call prepend-dir,ld-script-y) $(call prepend-dir,extra-y)
	echo $(call prepend-dir,obj-y) >> objects.lst
	echo $(call prepend-dir,extra-y) >> extra_objects.lst

clean: $(call prepend-dir,subdirs-y)
	rm -f $(call prepend-dir,obj-y) $(call prepend-dir,dep) \
	      $(call prepend-dir,clean-y) $(call prepend-dir,ld-script-y) \
	      $(call prepend-dir,extra-y)

build = echo "$1 $@"

%.o: %.c
	$(call build,CC)
	$(CC) $(CFLAGS) -c $(firstword $^) -o $@

%.o: %.S
	$(call build,CC)
	$(CC) $(CFLAGS) -c $(firstword $^) -o $@

%.lds: %.lds.S
	$(call build,LDS)
	$(LDS) $(LDSFLAGS) -o $@ $(firstword $^)
	mv $@ $(KERNEL_BASE)/$(linker_files)

%.o: %.dts
	$(call build,DTC)
	$(DTC) -Idts -Odtb $(firstword $^) > $(dtb)
	@$(OBJCOPY) -I binary -O elf32-littlearm -B arm --rename-section .data=.text,contents,readonly $(dtb) $@

%.lex.c: %.l
	$(call LEX)
	$(LEX) -o$@ $<

%.tab.c %.tab.h: %.y
	$(call BISON)
	$(BISON) -b $(basename $(basename $@)) -d $<

-include $(call prepend-dir,dep)

.PHONY: all clean $(call prepend-dir,subdirs-y)