56 lines
1.5 KiB
Makefile
56 lines
1.5 KiB
Makefile
rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
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ifeq ($(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)/3ds_rules
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CC := arm-none-eabi-gcc
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AS := arm-none-eabi-as
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LD := arm-none-eabi-ld
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OC := arm-none-eabi-objcopy
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name := $(shell basename $(CURDIR))
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dir_source := source
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dir_build := build
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ASFLAGS := -mlittle-endian -mcpu=arm946e-s -march=armv5te
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CFLAGS := -Wall -Wextra -MMD -MP -marm $(ASFLAGS) -fno-builtin -fshort-wchar -std=c11 -Wno-main -O2 -flto -ffast-math -mthumb -mthumb-interwork
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objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
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$(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
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$(call rwildcard, $(dir_source), *.s *.c)))
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.PHONY: all
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all: $(name).bin
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.PHONY: clean
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clean:
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@rm -rf $(dir_build)
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$(name).bin: $(dir_build)/$(name).elf
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$(OC) -S -O binary $< $@
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$(dir_build)/$(name).elf: $(objects)
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# FatFs requires libgcc for __aeabi_uidiv
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$(CC) -nostartfiles -T linker.ld $(OUTPUT_OPTION) $^
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$(dir_build)/%.o: $(dir_source)/%.c
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@mkdir -p "$(@D)"
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(dir_build)/%.o: $(dir_source)/%.s
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@mkdir -p "$(@D)"
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$(COMPILE.s) $(OUTPUT_OPTION) $<
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$(dir_build)/fatfs/%.o: $(dir_source)/fatfs/%.c
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@mkdir -p "$(@D)"
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(dir_build)/fatfs/%.o: $(dir_source)/fatfs/%.s
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@mkdir -p "$(@D)"
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$(COMPILE.s) $(OUTPUT_OPTION) $<
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include $(call rwildcard, $(dir_build), *.d)
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