60 lines
1.1 KiB
Makefile
60 lines
1.1 KiB
Makefile
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CROSS_COMPILE ?= arm-none-eabi-
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TARGET_FILE ?= driverlib.a
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C_FLAGS += -Wall -Werror -fno-builtin -DGNU -D__GNU__ -D__GCC__ -D__CORTEX_M4__
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C_FLAGS += -Os
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C_FLAGS += -ffunction-sections
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C_FLAGS += -fdata-sections
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C_FLAGS += -std=c18
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C_FLAGS += -pedantic
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C_FLAGS += -pedantic-errors
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C_FLAGS += -ggdb3
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C_FLAGS += -Iinc
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C_FLAGS += -I.
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CCFLAGS += -mcpu=cortex-m4 -mthumb -mthumb-interwork
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CC = $(CROSS_COMPILE)gcc
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AR = $(CROSS_COMPILE)ar
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OBJ_DIR := objs
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BIN_DIR := lib
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SRC_DIR := src
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C_SRCS = $(wildcard $(SRC_DIR)/*.c)
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C_OBJS = $(patsubst %.c,$(OBJ_DIR)/%.o,$(notdir $(C_SRCS)))
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OBJS = $(C_OBJS)
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TARGET = $(BIN_DIR)/$(TARGET_FILE)
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.PHONY: all
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all: $(TARGET)
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$(TARGET): $(OBJS) Makefile
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@mkdir -p $(BIN_DIR)
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$(AR) rcs $(TARGET) $(OBJS)
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
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@mkdir -p $(dir $@)
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@$(call makedep,$<,$@,$(patsubst %.c,%.d,$(OBJ_DIR)/$(notdir $<)),$(C_FLAGS))
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$(CC) -c $(C_FLAGS) $(CCFLAGS) -o $@ $<
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.PHONY: clean
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clean:
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rm -rf \
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$(OBJS) \
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$(patsubst %.o,%.d,$(OBJS)) \
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$(TARGET)
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define makedep
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$(CC) -MM -MF $3 -MP -MT $2 $4 $1
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endef
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ifneq ($(MAKECMDGOALS),clean)
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-include $($(subst .o,.d,$(OBJS))
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endif
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