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Makefile
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Makefile
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# This file is based off DevkitARM's Makefile template and the included DevkitARM make files.
#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
#---------------------------------------------------------------------------------
# the prefix on the compiler executables
#---------------------------------------------------------------------------------
PREFIX := arm-none-eabi-
export CC := $(PREFIX)gcc
export CXX := $(PREFIX)g++
export AS := $(PREFIX)as
export AR := $(PREFIX)gcc-ar
export OBJCOPY := $(PREFIX)objcopy
export STRIP := $(PREFIX)strip
export NM := $(PREFIX)gcc-nm
export RANLIB := $(PREFIX)gcc-ranlib
#---------------------------------------------------------------------------------
%.o: %.c
$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d $(CFLAGS) -c $< -o $@ $(ERROR_FILTER)
#---------------------------------------------------------------------------------
%.o: %.m
$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d $(OBJCFLAGS) -c $< -o $@ $(ERROR_FILTER)
#---------------------------------------------------------------------------------
%.o: %.s
$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@ $(ERROR_FILTER)
#---------------------------------------------------------------------------------
%.o: %.S
$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@ $(ERROR_FILTER)
#---------------------------------------------------------------------------------
%.elf:
echo linking $(notdir $@)
$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@
#---------------------------------------------------------------------------------
# TARGET is the name of the output
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# INCLUDES is a list of directories containing extra header files
#---------------------------------------------------------------------------------
# <-- Change to EU if required
REGION := NA
ROM := rom.nds
ROM_OUT := out.nds
TARGET := out
BUILD := build
SOURCES := src src/cot
INCLUDES := include pmdsky-debug/headers
OPT_LEVEL := -O2
# Change to "RELEASE_CONFIG := -DNDEBUG" for release builds without asserts and logs
RELEASE_CONFIG := -DDEBUG
PYTHON := python3
#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH := -marm -mno-thumb-interwork
CFLAGS := -g -Wall $(OPT_LEVEL) $(RELEASE_CONFIG) $(SP_EFFECT_COMPAT) \
-march=armv5te -mtune=arm946e-s -fomit-frame-pointer -fno-short-enums \
-ffast-math -fno-builtin \
-fmacro-prefix-map=$(realpath $(CURDIR)/..)=. \
$(ARCH)
CFLAGS += $(INCLUDE) -DARM9 -flto
# Those are to be set by command line arguments.
CFLAGS += $(EXTRA_CFLAGS)
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
ASFLAGS := -g $(ARCH)
LDFLAGS = -T $(CURDIR)/../symbols/generated_$(REGION).ld \
-T $(CURDIR)/../symbols/custom_$(REGION).ld -T $(CURDIR)/../linker.ld \
-g $(ARCH) -Wl,-Map,$(notdir $*.map) -Xlinker -no-enum-size-warning -nostdlib -Xlinker --no-check-sections
#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
#---------------------------------------------------------------------------------
LIBS :=
#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS :=
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------
export OUTPUT := $(CURDIR)/$(TARGET)
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir))
export DEPSDIR := $(CURDIR)/$(BUILD)
CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
BINFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.bin)))
#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
export LD := $(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
export LD := $(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------
export OFILES := $(BINFILES:.bin=.o) \
$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
-I$(CURDIR)/$(BUILD)
export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
#---------------------------------------------------------------------------------
.PHONY: $(BUILD)
$(BUILD): symbols/generated_$(REGION).ld
@[ -d $@ ] || mkdir -p $@
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
.PHONY: buildobjs
buildobjs:
@[ -d $(BUILD) ] || mkdir -p $(BUILD)
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile buildobjs
#---------------------------------------------------------------------------------
.PHONY: clean
clean:
@echo clean ...
@rm -fr $(BUILD) $(TARGET).elf $(TARGET).asm $(ROM_OUT).nds symbols/generated_*.ld
#---------------------------------------------------------------------------------
else
DEPENDS := $(OFILES:.o=.d)
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).elf : $(CURDIR)/../linker.ld $(OFILES)
.PHONY: buildobjs
buildobjs: $(OFILES)
-include $(DEPENDS)
#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------
symbols/generated_$(REGION).ld:
$(PYTHON) scripts/generate_linkerscript.py $(REGION)
.PHONY: patch
patch: build
$(PYTHON) scripts/patch.py $(REGION) $(ROM) $(OUTPUT).elf $(ROM_OUT)
.PHONY: asmdump
asmdump: build
arm-none-eabi-objdump -S -d $(OUTPUT).elf > $(OUTPUT).asm
.PHONY: headers
headers:
cd pmdsky-debug/headers && $(PYTHON) augment_headers.py --aliases --docstrings