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Makefile
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#---------------------------------------------------------------------------------
# Clear the implicit built in rules
#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM)
endif
include $(DEVKITARM)/gba_rules
#--------
# Overrides for default rules
#%.o: %.s
# @echo $(notdir $<)
# $(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@
#
#%.o: %.S
# @echo $(notdir $<)
# $(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@
#OBJCOPY := $(OBJCOPY) -R.pad
# We override the specs file because the default crt0 always clears EWRAM, and we don't want this.
# when DevKitArm changes the specs files, change the copy in the project too!
%_mb.elf:
@echo linking multiboot CUSTOM
@$(LD) $(LDFLAGS) -specs=../src/gba_mb_my.specs $(OFILES) $(LIBPATHS) $(LIBS) -o $@
%.elf:
@echo linking cartridge CUSTOM
@$(LD) $(LDFLAGS) -specs=../src/gba_my.specs $(OFILES) $(LIBPATHS) $(LIBS) -o $@
#-------
#---------------------------------------------------------------------------------
# TARGET is the name of the output, if this ends with _mb generates a multiboot image
# 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
#---------------------------------------------------------------------------------
TARGET := pocketnes
BUILD := build
SOURCES := src
MAPPERS := src/mappers
INCLUDES :=
#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH := -mthumb -mthumb-interwork
CFLAGS := -g -Wall -Os\
-mcpu=arm7tdmi -mtune=arm7tdmi\
-fomit-frame-pointer\
-ffast-math \
-std=gnu99 \
$(ARCH)
CFLAGS += $(INCLUDE)
CXXFLAGS := $(CFLAGS) \
-fno-rtti -fno-exceptions
ASFLAGS := $(ARCH)
LDFLAGS = -g $(ARCH) -Wl,-Map,$(notdir $@).map
#---------------------------------------------------------------------------------
# path to tools - this can be deleted if you set the path in windows
#---------------------------------------------------------------------------------
export PATH := $(DEVKITARM)/bin:$(PATH)
#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
#---------------------------------------------------------------------------------
LIBS := -lgba
#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS := $(LIBGBA)
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------
export OUTPUT := $(CURDIR)/$(TARGET)
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) $(foreach dir,$(MAPPERS),$(CURDIR)/$(dir))
export PATH := $(DEVKITARM)/bin:$(PATH)
export DEPSDIR := $(CURDIR)/$(BUILD)
#---------------------------------------------------------------------------------
# automatically build a list of object files for our project
#---------------------------------------------------------------------------------
CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES := $(filter-out gba_crt0_my.s,$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))) $(foreach dir,$(MAPPERS),$(notdir $(wildcard $(dir)/*.s)))
#SFILES := all.s $(foreach dir,$(MAPPERS),$(notdir $(wildcard $(dir)/*.s)))
#SFILES := $(foreach dir,$(MAPPERS),$(notdir $(wildcard $(dir)/*.S)))
#SFILES := all.s
#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
export LD := $(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
export LD := $(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------
export OFILES := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
#---------------------------------------------------------------------------------
# build a list of include paths
#---------------------------------------------------------------------------------
export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
-I$(CURDIR)/$(BUILD)
#---------------------------------------------------------------------------------
# build a list of library paths
#---------------------------------------------------------------------------------
export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
.PHONY: $(BUILD) clean
#---------------------------------------------------------------------------------
$(BUILD):
@[ -d $@ ] || mkdir -p $@
@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
all : $(BUILD)
#---------------------------------------------------------------------------------
semiclean:
@echo deleting intermediate files...
@rm -fr $(BUILD) $(TARGET).elf
clean: semiclean
@echo deleting main binary
@rm -f $(TARGET).gba
$(MAKE) -C . -f Makefile_mb clean
#---------------------------------------------------------------------------------
else
DEPENDS := $(OFILES:.o=.d)
#%.o : %.lz77
# @echo $(notdir $<)
# @$(bin2o)
#
#%.o : %.bin
# @echo $(notdir $<)
# @$(bin2o)
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).gba : $(OUTPUT).elf
$(OUTPUT).elf : $(OFILES) gba_crt0_my.o gba_cart_my.ld
#rule for building Multiboot version first so that bindata.s can be built
bindata.o: bindata.s ../pocketnes_mb.gba font2.lz77 fontpal.bin
../pocketnes_mb.gba :
$(MAKE) -C .. -f Makefile_mb
-include $(DEPENDS)
%.gba: %.elf
@$(OBJCOPY) -O binary $< $@
@echo built ... $(notdir $@)
@gbafix $@ -cPNES -tPocketNES
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------