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Makefile
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Makefile
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#---------------------------------------------------------------------------------
# Clear the implicit built in rules
#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITPPC)),)
$(error "Please set DEVKITPPC in your environment. export DEVKITPPC=<path to>devkitPPC")
endif
export PORTLIBS := ../../portlibs/ppc
export PATH := $(DEVKITPPC)/bin:$(PORTLIBS)/bin:$(PATH)
export LIBOGC_INC := $(DEVKITPRO)/libogc/include
export LIBOGC_LIB := $(DEVKITPRO)/libogc/lib/wii
PREFIX := powerpc-eabi-
export AS := $(PREFIX)as
export CC := $(PREFIX)gcc
export CXX := $(PREFIX)g++
export AR := $(PREFIX)ar
export LD := $(PREFIX)ld
export OBJCOPY := $(PREFIX)objcopy
#---------------------------------------------------------------------------------
# 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
#---------------------------------------------------------------------------------
TARGET := boot
BUILD := build
BUILD_DBG := $(BUILD)_dbg
SOURCES := src
DATA := data
INCLUDES :=
#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
CFLAGS := -std=gnu99 -nostdinc -fno-builtin $(INCLUDE)
LDFLAGS := -nostartfiles -nostdlib
#---------------------------------------------------------------------------------
# move loader to another location - THANKS CREDIAR - 0x81330000 for HBC
#---------------------------------------------------------------------------------
#LDFLAGS = -g $(MACHDEP) -Wl,-Map,$(notdir $@).map
#LDFLAGS = -g $(MACHDEP) -Wl,-Map,$(notdir $@).map -Wl,--section-start,.init=0x80003f00
Q := @
MAKEFLAGS += --no-print-directory
#---------------------------------------------------------------------------------
# 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 := $(CURDIR)
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------
export OUTPUT := $(CURDIR)/$(TARGET)
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
$(foreach dir,$(DATA),$(CURDIR)/$(dir))
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 := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.S)))
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
PNGFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.png)))
#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
export OFILES := $(addsuffix .o,$(BINFILES)) \
$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) \
$(sFILES:.s=.o) $(SFILES:.S=.o)
#---------------------------------------------------------------------------------
# build a list of include paths
#---------------------------------------------------------------------------------
export INCLUDE := $(foreach dir,$(INCLUDES), -iquote $(CURDIR)/$(dir)) \
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
-I$(CURDIR)/$(BUILD) \
-I$(LIBOGC_INC)
#---------------------------------------------------------------------------------
# build a list of library paths
#---------------------------------------------------------------------------------
export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib) \
-L$(LIBOGC_LIB)
export OUTPUT := $(CURDIR)/$(TARGET)
.PHONY: $(BUILD) clean install
#---------------------------------------------------------------------------------
$(BUILD):
@[ -d $@ ] || mkdir -p $@
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
#---------------------------------------------------------------------------------
clean:
@echo clean ...
@rm -fr $(BUILD) $(OUTPUT).elf $(OUTPUT).bin
#This should stop new builds from using old code (-SonyUSA)
@rm -fr build
@rm -fr bin
#And just because I'm picky... (-SonyUSA)
mkdir bin
mv boot.elf /bin/
mv build_dbg.elf /bin/
#---------------------------------------------------------------------------------
else
DEPENDS := $(OFILES:.o=.d)
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).elf: $(OFILES)
#---------------------------------------------------------------------------------
# This rule links in binary data with the .jpg extension
#---------------------------------------------------------------------------------
%.elf: link.ld $(OFILES)
@echo "linking ... $(TARGET).elf"
$(Q)$(CC) -n -T $^ $(LDFLAGS) -o ../$(BUILD_DBG).elf
$(Q)$(OBJCOPY) -S -R .comment -R .gnu.attributes ../$(BUILD_DBG).elf $@
%.o: %.c
@echo "$@"
$(Q)$(CC) $(CFLAGS) -c $< -o $@
%.o: %.s
@echo "$@"
$(Q)$(CC) $(CFLAGS) -c $< -o $@
-include $(DEPENDS)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------