Initial commit

Makefile

@@ -0,0 +1,59 @@
+CROSS_COMPILE ?= arm-none-eabi-
+
+TARGET_FILE ?= driverlib.a
+
+C_FLAGS += -Wall -Werror -fno-builtin -DGNU -D__GNU__ -D__GCC__ -D__CORTEX_M4__
+C_FLAGS += -Os
+C_FLAGS += -ffunction-sections
+C_FLAGS += -fdata-sections
+
+C_FLAGS += -std=c18
+C_FLAGS += -pedantic
+C_FLAGS += -pedantic-errors
+C_FLAGS += -ggdb3
+
+C_FLAGS += -Iinc
+C_FLAGS += -I.
+CCFLAGS += -mcpu=cortex-m4 -mthumb -mthumb-interwork
+
+CC = $(CROSS_COMPILE)gcc
+AR = $(CROSS_COMPILE)ar
+
+OBJ_DIR := objs
+BIN_DIR := lib
+SRC_DIR := src
+
+C_SRCS = $(wildcard $(SRC_DIR)/*.c)
+
+C_OBJS = $(patsubst %.c,$(OBJ_DIR)/%.o,$(notdir $(C_SRCS)))
+
+OBJS = $(C_OBJS)
+TARGET = $(BIN_DIR)/$(TARGET_FILE)
+
+.PHONY: all
+all: $(TARGET)
+
+$(TARGET): $(OBJS) Makefile
+	@mkdir -p $(BIN_DIR)
+	$(AR) rcs $(TARGET) $(OBJS)
+
+
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
+	@mkdir -p $(dir $@)
+	@$(call makedep,$<,$@,$(patsubst %.c,%.d,$(OBJ_DIR)/$(notdir $<)),$(C_FLAGS))
+	$(CC) -c $(C_FLAGS) $(CCFLAGS) -o $@ $<
+
+.PHONY: clean
+clean:
+	rm -rf \
+	$(OBJS) \
+	$(patsubst %.o,%.d,$(OBJS)) \
+	$(TARGET)
+
+define makedep
+	$(CC) -MM -MF $3 -MP -MT $2 $4 $1
+endef
+
+ifneq ($(MAKECMDGOALS),clean)
+-include $($(subst .o,.d,$(OBJS))
+endif