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+export DEVKITPRO=/opt/devkitpro
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+export DEVKITARM=/opt/devkitpro/devkitARM
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+#---------------------------------------------------------------------------------
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+.SUFFIXES:
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+#---------------------------------------------------------------------------------
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+
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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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+
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+TOPDIR ?= $(CURDIR)
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+include $(DEVKITARM)/3ds_rules
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+
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+#---------------------------------------------------------------------------------
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+# TARGET is the name of the output
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+# BUILD is the directory where object files & intermediate files will be placed
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+# SOURCES is a list of directories containing source code
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+# DATA is a list of directories containing data files
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+# INCLUDES is a list of directories containing header files
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+#
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+# NO_SMDH: if set to anything, no SMDH file is generated.
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+# ROMFS is the directory which contains the RomFS, relative to the Makefile (Optional)
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+# APP_TITLE is the name of the app stored in the SMDH file (Optional)
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+# APP_DESCRIPTION is the description of the app stored in the SMDH file (Optional)
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+# APP_AUTHOR is the author of the app stored in the SMDH file (Optional)
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+# ICON is the filename of the icon (.png), relative to the project folder.
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+# If not set, it attempts to use one of the following (in this order):
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+# - <Project name>.png
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+# - icon.png
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+# - <libctru folder>/default_icon.png
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+#---------------------------------------------------------------------------------
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+TARGET := sdlpal
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+BUILD := build
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+SOURCES := .. ../adplug ../libmad
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+
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+APP_TITLE := SDLPAL
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+APP_DESCRIPTION := Pal DOS for 3DS
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+APP_AUTHOR := Ported by ZephRay
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+
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+ICON := icon.png
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+
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+#---------------------------------------------------------------------------------
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+# options for code generation
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+#---------------------------------------------------------------------------------
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+ARCH := -march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft
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+
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+CFLAGS := -g -Wall -O2 -mword-relocations \
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+ -fomit-frame-pointer -ffunction-sections \
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+ $(ARCH)
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+
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+CFLAGS += $(INCLUDE) -DARM11 -D_3DS -D__3DS__ -D__N3DS__
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+
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+CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++14
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+
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+ASFLAGS := -g $(ARCH)
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+LDFLAGS = -specs=3dsx.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
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+
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+LIBS := -lSDL -lcitro3d -lctru -lm
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+
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+#---------------------------------------------------------------------------------
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+# list of directories containing libraries, this must be the top level containing
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+# include and lib
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+#---------------------------------------------------------------------------------
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+LIBDIRS := $(CTRULIB) $(PORTLIBS)
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+
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+
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+#---------------------------------------------------------------------------------
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+# no real need to edit anything past this point unless you need to add additional
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+# rules for different file extensions
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+#---------------------------------------------------------------------------------
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+ifneq ($(BUILD),$(notdir $(CURDIR)))
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+#---------------------------------------------------------------------------------
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+
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+export OUTPUT := $(CURDIR)/$(TARGET)
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+export TOPDIR := $(CURDIR)
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+
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+export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
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+ $(foreach dir,$(DATA),$(CURDIR)/$(dir))
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+
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+export DEPSDIR := $(CURDIR)/$(BUILD)
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+
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+CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
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+CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
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+SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
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+PICAFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.v.pica)))
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+SHLISTFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.shlist)))
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+BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
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+
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+#---------------------------------------------------------------------------------
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+# use CXX for linking C++ projects, CC for standard C
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+#---------------------------------------------------------------------------------
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+ifeq ($(strip $(CPPFILES)),)
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+#---------------------------------------------------------------------------------
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+ export LD := $(CC)
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+#---------------------------------------------------------------------------------
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+else
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+#---------------------------------------------------------------------------------
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+ export LD := $(CXX)
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+#---------------------------------------------------------------------------------
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+endif
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+#---------------------------------------------------------------------------------
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+
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+export OFILES := $(addsuffix .o,$(BINFILES)) \
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+ $(PICAFILES:.v.pica=.shbin.o) $(SHLISTFILES:.shlist=.shbin.o) \
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+ $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
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+
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+export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
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+ $(foreach dir,$(LIBDIRS),-I$(dir)/include) \
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+ $(foreach dir,$(LIBDIRS),-I$(dir)/include/SDL) \
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+ -I$(CURDIR)/$(BUILD)
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+
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+export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
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+
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+ifeq ($(strip $(ICON)),)
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+ icons := $(wildcard *.png)
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+ ifneq (,$(findstring $(TARGET).png,$(icons)))
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+ export APP_ICON := $(TOPDIR)/$(TARGET).png
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+ else
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+ ifneq (,$(findstring icon.png,$(icons)))
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+ export APP_ICON := $(TOPDIR)/icon.png
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+ endif
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+ endif
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+else
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+ export APP_ICON := $(TOPDIR)/$(ICON)
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+endif
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+
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+ifeq ($(strip $(NO_SMDH)),)
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+ export _3DSXFLAGS += --smdh=$(CURDIR)/$(TARGET).smdh
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+endif
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+
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+ifneq ($(ROMFS),)
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+ export _3DSXFLAGS += --romfs=$(CURDIR)/$(ROMFS)
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+endif
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+
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+.PHONY: $(BUILD) clean all
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+
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+#---------------------------------------------------------------------------------
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+all: $(BUILD)
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+
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+$(BUILD):
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+ @[ -d $@ ] || mkdir -p $@
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+ @$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
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+
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+#---------------------------------------------------------------------------------
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+clean:
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+ @echo clean ...
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+ @rm -fr $(BUILD) $(TARGET).3dsx $(OUTPUT).smdh $(TARGET).elf $(TARGET).cia $(TARGET)-strip.elf
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+
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+#---------------------------------------------------------------------------------
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+$(TARGET)-strip.elf: $(BUILD)
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+ @$(STRIP) $(TARGET).elf -o $(TARGET)-strip.elf
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+#---------------------------------------------------------------------------------
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+cci: $(TARGET)-strip.elf
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+ @makerom -f cci -rsf resources/$(TARGET).rsf -target d -exefslogo -elf $(TARGET)-strip.elf -o $(TARGET).3ds
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+ @echo "built ... 3ds"
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+#---------------------------------------------------------------------------------
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+cia: $(TARGET)-strip.elf
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+ @makerom -f cia -o $(TARGET).cia -elf $(TARGET)-strip.elf -rsf $(TARGET).rsf -icon icon.bin -banner banner.bin -exefslogo -target t
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+ @echo "built ... cia"
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+#---------------------------------------------------------------------------------
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+else
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+
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+DEPENDS := $(OFILES:.o=.d)
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+
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+#---------------------------------------------------------------------------------
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+# main targets
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+#---------------------------------------------------------------------------------
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+ifeq ($(strip $(NO_SMDH)),)
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+$(OUTPUT).3dsx : $(OUTPUT).elf $(OUTPUT).smdh
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+else
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+$(OUTPUT).3dsx : $(OUTPUT).elf
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+endif
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+
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+$(OUTPUT).elf : $(OFILES)
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+
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+#---------------------------------------------------------------------------------
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+# you need a rule like this for each extension you use as binary data
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+#---------------------------------------------------------------------------------
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+%.bin.o : %.bin
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+#---------------------------------------------------------------------------------
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+ @echo $(notdir $<)
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+ @$(bin2o)
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+
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+#---------------------------------------------------------------------------------
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+# rules for assembling GPU shaders
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+#---------------------------------------------------------------------------------
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+define shader-as
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+ $(eval CURBIN := $(patsubst %.shbin.o,%.shbin,$(notdir $@)))
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+ picasso -o $(CURBIN) $1
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+ bin2s $(CURBIN) | $(AS) -o $@
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+ echo "extern const u8" `(echo $(CURBIN) | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`"_end[];" > `(echo $(CURBIN) | tr . _)`.h
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+ echo "extern const u8" `(echo $(CURBIN) | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`"[];" >> `(echo $(CURBIN) | tr . _)`.h
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+ echo "extern const u32" `(echo $(CURBIN) | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`_size";" >> `(echo $(CURBIN) | tr . _)`.h
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+endef
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+
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+%.shbin.o : %.v.pica %.g.pica
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+ @echo $(notdir $^)
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+ @$(call shader-as,$^)
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+
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+%.shbin.o : %.v.pica
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+ @echo $(notdir $<)
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+ @$(call shader-as,$<)
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+
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+%.shbin.o : %.shlist
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+ @echo $(notdir $<)
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+ @$(call shader-as,$(foreach file,$(shell cat $<),$(dir $<)/$(file)))
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+
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+-include $(DEPENDS)
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+
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+#---------------------------------------------------------------------------------------
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+endif
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+#---------------------------------------------------------------------------------------
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Wenting Zhang
