#--------------------------------------------------------------------------------- .SUFFIXES: #--------------------------------------------------------------------------------- ifeq ($(strip $(DEVKITPRO)),) $(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro") endif TOPDIR ?= $(CURDIR) include $(DEVKITPRO)/devkitA64/base_rules #--------------------------------------------------------------------------------- # 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 # DATA is a list of directories containing data files # INCLUDES is a list of directories containing header files #--------------------------------------------------------------------------------- TARGET := $(notdir $(CURDIR)) BUILD := build SOURCES := src DATA := data INCLUDES := include #--------------------------------------------------------------------------------- # options for code generation #--------------------------------------------------------------------------------- ARCH := -march=armv8-a -mtune=cortex-a57 -mgeneral-regs-only #<- important CFLAGS := \ -g \ -Os \ -ffunction-sections \ -fdata-sections \ -fomit-frame-pointer \ -fno-inline \ -std=gnu11 \ -Werror \ -Wall \ $(ARCH) $(DEFINES) CFLAGS += $(INCLUDE) CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11 ASFLAGS := -g $(ARCH) LDFLAGS = -specs=$(TOPDIR)/linker.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map) LIBS := #--------------------------------------------------------------------------------- # list of directories containing libraries, this must be the top level containing # include and lib #--------------------------------------------------------------------------------- LIBDIRS := #--------------------------------------------------------------------------------- # no real need to edit anything past this point unless you need to add additional # rules for different file extensions #--------------------------------------------------------------------------------- ifneq ($(BUILD),$(notdir $(CURDIR))) #--------------------------------------------------------------------------------- export OUTPUT := $(CURDIR)/$(TARGET) export TOPDIR := $(CURDIR) export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \ $(foreach dir,$(DATA),$(CURDIR)/$(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 := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) #--------------------------------------------------------------------------------- # use CXX for linking C++ projects, CC for standard C #--------------------------------------------------------------------------------- ifeq ($(strip $(CPPFILES)),) #--------------------------------------------------------------------------------- export LD := $(CC) #--------------------------------------------------------------------------------- else #--------------------------------------------------------------------------------- export LD := $(CXX) #--------------------------------------------------------------------------------- endif #--------------------------------------------------------------------------------- export OFILES_BIN := $(addsuffix .o,$(BINFILES)) export OFILES_SRC := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o) export OFILES := $(OFILES_BIN) $(OFILES_SRC) export HFILES_BIN := $(addsuffix .h,$(subst .,_,$(BINFILES))) 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) clean all #--------------------------------------------------------------------------------- all: $(BUILD) $(BUILD): @[ -d $@ ] || mkdir -p $@ @$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile #--------------------------------------------------------------------------------- clean: @echo clean ... @rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf #--------------------------------------------------------------------------------- else .PHONY: all DEPENDS := $(OFILES:.o=.d) #--------------------------------------------------------------------------------- # main targets #--------------------------------------------------------------------------------- all : $(OUTPUT).bin $(OUTPUT).bin : $(OUTPUT).elf $(OBJCOPY) -S -O binary $< $@ @echo built ... $(notdir $@) $(OUTPUT).elf : $(OFILES) %.elf: $(OFILES) @echo linking $(notdir $@) @$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@ @$(NM) -CSn $@ > $(notdir $*.lst) $(OFILES_SRC) : $(HFILES_BIN) #--------------------------------------------------------------------------------- # you need a rule like this for each extension you use as binary data #--------------------------------------------------------------------------------- %.bin.o : %.bin #--------------------------------------------------------------------------------- @echo $(notdir $<) @$(bin2o) -include $(DEPENDS) #--------------------------------------------------------------------------------------- endif #---------------------------------------------------------------------------------------