3DS_MAKEFILE_2.0

PROJECT = ${shell basename "$(CURDIR)"}
CXX = arm-none-eabi-g++
LD = arm-none-eabi-ld
OBJCOPY = arm-none-eabi-objcopy

CTRULIB = ../libctru
GCCLIB = ../libgcc

CPP_SOURCE = $(wildcard source/*.cpp)
C_SOURCE = $(wildcard source/*.c)
S_SOURCE = $(wildcard source/*.s)
INCLUDE = -I$(CTRULIB)/include -I$(DEVKITARM)/arm-none-eabi/include/c++
INCLUDE += -L$(DEVKITARM)/arm-none-eabi/lib -L$(CTRULIB)/lib -L$(GCCLIB)
D_FILES = $(CPP_SOURCE:source/*.cpp=build/*.d)
D_FILES += $(C_SOURCE:source/*.c=build/*.d)
D_FILES += $(S_SOURCE:source/*.s=build/*.d)

CXXFLAGS = -g -Wall -pedantic $(INCLUDE) -std=c++11 -march=armv6 -O3 -fno-rtti -fno-exceptions
LIBS = --start-group -lctru -lc -lgcc --end-group
LDFLAGS = -T ctr_hb_script.ld $(INCLUDE)
OBJECTS = $(CPP_SOURCE:source/*.cpp=build/*.o)
OBJECTS += $(C_SOURCE:source/*.c=build/*.o)
OBJECTS += $(S_SOURCE:source/*.s=build/*.o)

.PHONY:=all dir

all: dir $(PROJECT).bin

dir:
    @mkdir -p build

$(PROJECT).bin: $(PROJECT).elf
    $(OBJCOPY) -O binary $< $@
    @rm $<

$(PROJECT).elf: $(OBJECTS)
    $(LD) $(LDFLAGS) -o $(PROJECT).elf $(filter-out build/crt0.o, $(OBJECTS)) $(LIBS)

clean:
    @rm -rf build
    @rm -f $(PROJECT).elf $(PROJECT).bin
    @cls
    @echo "Successfully cleaned."

-include $(D_FILES)

build/%.o: source/*.s
    $(CXX) $(CXXFLAGS) -c $< -o %@
    $(CXX) -MM $< > build/$*.d

build/%.o: source/*.cpp
    $(CXX) $(CXXFLAGS) -c $< -o %@
    $(CXX) -MM $< > build/$*.d

build/%.o: source/*.c
    $(CXX) $(CXXFLAGS) -c $< -o %@
    $(CXX) -MM $< > build/$*.d