45 lines
1.2 KiB
Makefile
45 lines
1.2 KiB
Makefile
ifeq ($(strip $(DEVKITARM)),)
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$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
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endif
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include $(DEVKITARM)/base_rules
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TARGET := bpmpfw
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BUILDDIR := build
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OUTPUTDIR := out
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SOURCEDIR := source
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OBJS := $(BUILDDIR)/start.o $(BUILDDIR)/main.o
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ARCH := -march=armv4t -mtune=arm7tdmi -mthumb-interwork
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CXXFLAGS := $(ARCH) -O2 -g -ffreestanding -nostdlib -fno-exceptions -fno-rtti \
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-fno-unwind-tables -fno-threadsafe-statics -ffunction-sections -fdata-sections \
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-fomit-frame-pointer -std=gnu++20 -Wall -Wextra $(CUSTOMDEFINES)
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ASFLAGS := $(ARCH) -g
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LDFLAGS := $(ARCH) -nostartfiles -nodefaultlibs -Wl,--nmagic,--gc-sections \
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-T $(SOURCEDIR)/../bpmpfw.ld -lgcc
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BIN_TARGET := $(OUTPUTDIR)/$(TARGET).bin
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.PHONY: all clean
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all: $(BIN_TARGET)
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$(BIN_TARGET): $(BUILDDIR)/$(TARGET).elf
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@mkdir -p $(OUTPUTDIR)
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$(OBJCOPY) -S -O binary $< $@
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$(BUILDDIR)/$(TARGET).elf: $(OBJS)
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@$(CXX) $(LDFLAGS) $(OBJS) -o $@
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$(BUILDDIR)/%.o: $(SOURCEDIR)/%.cpp | $(BUILDDIR)
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@$(CXX) $(CXXFLAGS) -I$(SOURCEDIR) -c $< -o $@
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$(BUILDDIR)/%.o: $(SOURCEDIR)/%.s | $(BUILDDIR)
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@$(CXX) $(ASFLAGS) -I$(SOURCEDIR) -c $< -o $@
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$(BUILDDIR):
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@mkdir -p $(BUILDDIR)
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clean:
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@rm -rf $(BUILDDIR) $(OUTPUTDIR)
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