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97 lines
2.4 KiB
Makefile
97 lines
2.4 KiB
Makefile
5 years ago
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LDSCRIPT = ./ld/ex.ld
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MCUTYPE=__SAMD21J18A__
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print-% : ; @echo $* = $($*)
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BUILD_DIR:=build
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SRC_DIR:=src
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INC_DIR:=inc
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BIN_DIR:=bin
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VERBOSE:=0
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_ATSYM_:=@
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ifeq ($(VERBOSE),1)
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_ATSYM_=
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clean-build:
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else
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_ATSYM_=@
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endif
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# Tools
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CC=arm-none-eabi-g++
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LD=arm-none-eabi-gcc
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AR=arm-none-eabi-ar
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AS=arm-none-eabi-as
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ELF=$(BIN_DIR)/main.elf
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INC:=$(sort $(shell find -L . -type f,l \( -name '*.h' -o -name '*.hpp' \) -printf '-I%h ' | sort -u))
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vpath %.c $(sort $(shell find -L ./src -type f,l -name "*.c" -printf '%h\n' | sort -u))
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vpath %.s $(sort $(shell find -L ./src -type f,l -name "*.s" -printf '%h\n' | sort -u))
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vpath %.cpp $(sort $(shell find -L ./src -type f,l -name "*.cpp" -printf '%h\n' | sort -u))
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vpath %.o $(BUILD_DIR)
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OBJ_C=$(shell find -L ./src -type f,l -name '*.c')
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OBJ_CPP=$(shell find -L ./src -type f,l -name '*.cpp')
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OBJ_S=$(shell find -L ./src -type f,l -name '*.s')
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OBJ:=$(addprefix $(BUILD_DIR)/, $(notdir $(OBJ_C:%.c=%.o)))
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OBJ+=$(addprefix $(BUILD_DIR)/, $(notdir $(OBJ_CPP:%.cpp=%.o)))
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OBJ+=$(addprefix $(BUILD_DIR)/, $(notdir $(OBJ_S:%.s=%.o)))
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DEPS:=$(OBJ:.o=.d)
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LDFLAGS+= -T$(LDSCRIPT) -Wall -mthumb -mcpu=cortex-m0 -Wl,--gc-sections
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CFLAGS+= $(INC) -mcpu=cortex-m0 -mthumb -ggdb -D$(MCUTYPE)
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.PHONY: all clean-build clean
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all: $(ELF)
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$(ELF): $(OBJ)
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@mkdir -p $(dir $@)
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@echo "***************"
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@echo "Linking Target: " $@
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@echo "prereq: $(OBJ)"
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$(_ATSYM_)$(LD) $(LDFLAGS) -o $@ $(OBJ) $(LDLIBS)
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# compile and generate dependency info
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$(BUILD_DIR)/%.o: %.c
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@mkdir -p $(dir $@)
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@echo "***************"
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@echo "Compiling $< ---> $@"
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$(_ATSYM_)arm-none-eabi-gcc -c $(CFLAGS) $< -o $@
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@echo "Outputting Dependency from $< ---> "$(BUILD_DIR)/$*.d
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$(_ATSYM_)arm-none-eabi-gcc -MM $(CFLAGS) $< > $(BUILD_DIR)/$*.d
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# compile and generate dependency info
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$(BUILD_DIR)/%.o: %.cpp
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@mkdir -p $(dir $@)
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@echo "***************"
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@echo "Compiling $< ---> $@"
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$(_ATSYM_)$(CC) -c $(CFLAGS) $< -o $@
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@echo "Outputting Dependency from $< ---> "$(BUILD_DIR)/$*.d
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$(_ATSYM_)$(CC) -MM $(CFLAGS) $< > $(BUILD_DIR)/$*.d
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$(BUILD_DIR)/%.o: %.s
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@mkdir -p $(dir $@)
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@echo "***************"
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@echo "Assembling $< ---> $@"
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$(_ATSYM_)$(AS) $< -o $@
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clean:
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@echo "Cleaning project..."
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$(_ATSYM_)rm -f $(OBJ) $(DEPS)
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$(_ATSYM_)rm -f $(BUILD_DIR)/*.d $(BUILD_DIR)/*.o
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$(_ATSYM_)rm -f $(ELF) .gdb_history
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clean-build: clean all
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debug: $(ELF)
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arm-none-eabi-gdb -iex "target extended-remote localhost:3333" $(ELF)
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# pull in dependencies
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-include $(DEPS)
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