mirror of
https://github.com/eddyem/ARMsingleboard.git
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58 lines
1.2 KiB
Makefile
58 lines
1.2 KiB
Makefile
# run `make DEF=...` to add extra defines
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PROGRAM := bmp280
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LDFLAGS := -fdata-sections -ffunction-sections -Wl,--gc-sections -Wl,--discard-all
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LDFLAGS += -lusefull_macros
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SRCS := $(wildcard *.c)
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DEFINES := $(DEF) -D_GNU_SOURCE -D_XOPEN_SOURCE=1111
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OBJDIR := mk
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CFLAGS += -O2 -Wall -Wextra -Wno-trampolines -std=gnu99
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OBJS := $(addprefix $(OBJDIR)/, $(SRCS:%.c=%.o))
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DEPS := $(OBJS:.o=.d)
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TARGFILE := $(OBJDIR)/TARGET
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CC = gcc
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#TARGET := RELEASE
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ifeq ($(shell test -e $(TARGFILE) && echo -n yes),yes)
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TARGET := $(file < $(TARGFILE))
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else
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TARGET := RELEASE
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endif
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ifeq ($(TARGET), DEBUG)
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.DEFAULT_GOAL := debug
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endif
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release: $(PROGRAM)
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debug: CFLAGS += -DEBUG -Werror
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debug: TARGET := DEBUG
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debug: $(PROGRAM)
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$(TARGFILE): $(OBJDIR)
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@echo -e "\t\tTARGET: $(TARGET)"
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@echo "$(TARGET)" > $(TARGFILE)
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$(PROGRAM) : $(TARGFILE) $(OBJS)
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@echo -e "\t\tLD $(PROGRAM)"
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$(CC) $(OBJS) $(LDFLAGS) -o $(PROGRAM)
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$(OBJDIR):
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@mkdir $(OBJDIR)
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ifneq ($(MAKECMDGOALS),clean)
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-include $(DEPS)
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endif
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$(OBJDIR)/%.o: %.c
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@echo -e "\t\tCC $<"
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$(CC) $< -MD -c $(LDFLAGS) $(CFLAGS) $(DEFINES) -o $@
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clean:
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@echo -e "\t\tCLEAN"
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@rm -rf $(OBJDIR) 2>/dev/null || true
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xclean: clean
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@rm -f $(PROGRAM)
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.PHONY: clean xclean
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