mirror of https://github.com/ClassiCube/ClassiCube
98 lines
3.1 KiB
Makefile
98 lines
3.1 KiB
Makefile
ifeq ($(strip $(DEVKITPRO)),)
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$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>devkitPro)
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endif
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.SUFFIXES:
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#---------------------------------------------------------------------------------
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# Configurable options
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#---------------------------------------------------------------------------------
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# Name of the final output
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TARGET = ClassiCube-gba
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# List of directories containing source code
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SOURCE_DIRS = src src/gba
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# Directory where object files are placed
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BUILD_DIR = build/gba
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GAME_TITLE = ClassiCube
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GAME_CODE = 0000
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MAKER_CODE = 00
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#---------------------------------------------------------------------------------
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# Compilable files
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#---------------------------------------------------------------------------------
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S_FILES = $(foreach dir,$(SOURCE_DIRS),$(wildcard $(dir)/*.S))
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C_FILES = $(foreach dir,$(SOURCE_DIRS),$(wildcard $(dir)/*.c))
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OBJS = $(addprefix $(BUILD_DIR)/, $(notdir $(C_FILES:%.c=%.o) $(S_FILES:%.S=%.o)))
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# Dependency tracking
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DEPFLAGS = -MT $@ -MMD -MP -MF $(BUILD_DIR)/$*.d
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DEPFILES := $(OBJS:%.o=%.d)
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#---------------------------------------------------------------------------------
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# Code generation
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#---------------------------------------------------------------------------------
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ARCH = -mthumb -mthumb-interwork
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CFLAGS = -g -gdwarf-4 -Wall -O2 -DPLAT_GBA -ffunction-sections -fdata-sections -mcpu=arm7tdmi -mtune=arm7tdmi $(ARCH)
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ASFLAGS = -g $(ARCH)
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LDFLAGS = -specs=gba.specs -g $(ARCH)
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#---------------------------------------------------------------------------------
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# Compiler tools
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#---------------------------------------------------------------------------------
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PREFIX = $(DEVKITPRO)/devkitARM/bin/arm-none-eabi-
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ARM_AS = $(PREFIX)as
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ARM_CC = $(PREFIX)gcc
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ARM_OBJCOPY = $(PREFIX)objcopy
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GBAFIX = $(DEVKITPRO)/tools/bin/gbafix
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#---------------------------------------------------------------------------------
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# Main targets
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#---------------------------------------------------------------------------------
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default: $(BUILD_DIR) $(TARGET).gba
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clean:
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rm $(TARGET).gba $(TARGET).elf $(OBJS)
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$(BUILD_DIR):
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mkdir -p $(BUILD_DIR)
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#---------------------------------------------------------------------------------
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# Executable generation
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#---------------------------------------------------------------------------------
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$(TARGET).elf: $(OBJS)
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$(ARM_CC) $(LDFLAGS) $^ -o $@ $(LIBS)
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$(TARGET).gba: $(TARGET).elf
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$(ARM_OBJCOPY) -O binary $< $@
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$(GBAFIX) $@ -t$(GAME_TITLE) -c$(GAME_CODE) -m$(MAKER_CODE)
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#---------------------------------------------------------------------------------
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# Object generation
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#---------------------------------------------------------------------------------
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$(BUILD_DIR)/%.o: src/%.c
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$(ARM_CC) $(CFLAGS) $(INCLUDES) $(DEPFLAGS) -c $< -o $@
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$(BUILD_DIR)/%.o: src/gba/%.c
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$(ARM_CC) $(CFLAGS) $(INCLUDES) $(DEPFLAGS) -c $< -o $@
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$(BUILD_DIR)/%.o: src/gba/%.S
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$(ARM_CC) $(CFLAGS) $(INCLUDES) $(DEPFLAGS) -c $< -o $@
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#---------------------------------------------------------------------------------
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# Dependency tracking
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#---------------------------------------------------------------------------------
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$(DEPFILES):
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include $(wildcard $(DEPFILES))
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