59 lines
1.1 KiB
Makefile
59 lines
1.1 KiB
Makefile
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CROSS_COMPILE ?=
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TARGET_FILE ?= bootloader
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CXXFLAGS += -O0
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CXXFLAGS += -ggdb3
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CXXFLAGS += -std=c++17
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CXXFLAGS += -pedantic
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CXXFLAGS += -pedantic-errors
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CXXFLAGS += -ffunction-sections -fdata-sections
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CXXFLAGS += -fno-implicit-inline-templates
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CXXFLAGS += -Isrc
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CXXFLAGS += -std=c++20
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LD_LIBS := -lc -lgcc -lpthread
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CC = $(CROSS_COMPILE)gcc
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CXX = $(CROSS_COMPILE)g++
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OBJ_DIR := obj
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BIN_DIR := bin
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SRC_DIR := src
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CC_SRCS = $(wildcard $(SRC_DIR)/*.cc)
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CC_OBJS = $(patsubst %.cc,$(OBJ_DIR)/%.o,$(notdir $(CC_SRCS)))
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OBJS = $(CC_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 $(BIN_DIR)
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$(CXX) $(LD_FLAGS) $(OBJS) $(LD_LIBS) -o $@
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cc
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@mkdir -p $(dir $@)
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@$(call makedep,$<,$@,$(patsubst %.cc,%.d,$(OBJ_DIR)/$(notdir $<)),$(CXXFLAGS))
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$(CXX) -c $(CXXFLAGS) -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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$(TARGET)
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define makedep
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$(CXX) -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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