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Makefile: Keep build_tag up to date

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Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2021-08-31 23:09:28 +09:00
parent fa50bb6474
commit 395c072a75
1 changed files with 8 additions and 7 deletions
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15
Makefile
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@ -80,7 +80,7 @@ TARGET := m1n1.macho
DEPDIR := build/.deps
.PHONY: all clean format
.PHONY: all clean format update_tag
all: build/$(TARGET) $(DTBS)
clean:
rm -rf build/*
@ -119,9 +119,12 @@ build/$(NAME).macho: build/$(NAME).elf
@echo " MACHO $@"
@$(OBJCOPY) -O binary $< $@
build/build_tag.h:
@echo " TAG $@"
@echo "#define BUILD_TAG \"$$(git describe --always --dirty)\"" > $@
update_tag:
@echo "#define BUILD_TAG \"$$(git describe --always --dirty)\"" > build/build_tag.tmp
@cmp -s build/build_tag.h build/build_tag.tmp 2>/dev/null || \
( mv -f build/build_tag.tmp build/build_tag.h && echo " TAG build/build_tag.h" )
build/build_tag.h: update_tag
build/%.bin: data/%.png
@echo " IMG $@"
@ -136,8 +139,6 @@ build/%.bin: font/%.bin
@cp $< $@
build/main.o: build/build_tag.h src/main.c
build/usb_dwc3.o: build/build_tag.h src/usb_dwc3.c
-include $(DEPDIR)/*