#---------------------------------------------------------------------------------
# Clear the implicit built in rules
#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITPPC)),)
$(error "Please set DEVKITPPC in your environment. export DEVKITPPC=<path to>devkitPPC")
endif

include $(DEVKITPPC)/wii_rules

# Directories.
OBJ_DIR			:= obj
LIB_DIR			:= lib
BIN_DIR			:= .
SRC_DIR			:= src
INCLUDE_DIR		:= include

# Tools.
PIPE_TO_SED := 2>&1 | sed "s/:\([0-9]*\):/\(\1\) :/"

# Source files.
SRCS := $(wildcard $(SRC_DIR)/*.c $(SRC_DIR)/gfxdep/*.c $(SRC_DIR)/joydep/*.c $(SRC_DIR)/sounddep/*.c \
	$(SRC_DIR)/threaddep/*.c $(SRC_DIR)/guidep/*.c $(SRC_DIR)/caps/*.c $(SRC_DIR)/dms/*.c $(SRC_DIR)/machdep/*.c \
	$(SRC_DIR)/osdep/*.c $(SRC_DIR)/keymap/*.c) $(SRC_DIR)/machdep/support.c

SRCS := $(filter-out src/compemu_raw_x86.c src/compemu_fpp.c src/compemu_support.c src/svgancui.c src/build68k.c src/catweasel.c \
	src/cdrom.c src/blkdev-libscg.c src/blkdev.c src/blitops.c src/akiko.c src/filesys_bootrom.c \
	src/filesys.c src/fsdb.c src/fsdb_unix.c src/hardfile_unix.c src/genblitter.c src/gencomp.c src/gencpu.c \
	src/hardfile.c src/genlinetoscr.c src/compemu.c src/compstbl.c \
	src/readdisk.c src/gengenblitter.c src/scsiemul.c src/tui.c src/linetoscr.c, $(SRCS))

# Library object files.
OBJS	:= $(subst $(SRC_DIR),$(OBJ_DIR),$(SRCS:.c=.o))

# Test source files.
# It can be useful to switch this variable around to select individual tests which are problematic.
TEST_SRCS	:= $(TEST_SRC_DIR)/showfont.c

# What's a full build?
all: uae.dol

# How to delete the intermediate files.
clean:
	@echo Cleaning $(OBJ_DIR)
	@rm -f $(OBJS) src/machdep

$(OBJ_DIR):
	install -d $@

src/sysconfig.h: src/sysconfig.h.wii
	cp $< $@

src/machdep:
	rm -f $@
	cd src && ln -s md-ppc-gcc machdep

src/target.h:
	rm -f $@
	cd src && ln -s targets/t-wii.h target.h

%.h: %.h.wii
	cp $< $@

%.c: %.c.wii
	cp $< $@

# How to build a library.
$(LIB_DIR)/libSDL_ttf.a: $(OBJS)
	@echo Archiving $@
	@-mkdir -p $(dir $@)
	@powerpc-gekko-ar crs $@ $(OBJS)
	@echo ----

# How to build a DOL.
$(BIN_DIR)/%.dol: %.elf
	@echo Creating DOL $@
	@-mkdir -p $(dir $@)
	#powerpc-gekko-objcopy -O binary $< $@
	elf2dol $< $@
	@echo ----

# Compilation flags.
COMMON_FLAGS	:= -g -O2 -mrvl -Wall $(MACHDEP)
INCLUDES	:=  -Isrc/md-generic/ -Isrc/include -Isrc -I$(DEVKITPRO)/libogc/include -I$(DEVKITPRO)/libogc/include/SDL
DEFINES		:= -DGEKKO -DFPUEMU -DCPUEMU_0 -DCPUEMU_5 -DCPUEMU_6 -DAGA \
		   -DAUTOCONFIG -DFILESYS -DSUPPORT_THREADS -DUSE_SDL -DFDI2RAW -DDEBUGGER -DSAVESTATE \
                   -DENFORCER -DACTION_REPLAY -UFILESYS
CFLAGS		:= $(COMMON_FLAGS) $(INCLUDES) $(DEFINES)

# Test link flags.
LDFLAGS			:= $(COMMON_FLAGS) -L$(LIB_DIR) -L$(DEVKITPRO)/libogc/lib/wii -lz -lSDL_ttf -lSDL -lfreetype -lfat -lwiiuse -lbte -logc -lm

# How to link an ELF.
uae.elf: src/machdep src/target.h src/sysconfig.h $(OBJS)
	@echo Linking $@
	@-mkdir -p $(dir $@)
	powerpc-gekko-g++ -o $@ $(OBJS) $(LDFLAGS)
	#keep elf for debugging
	#cp $@ /tmp/elf

# How to compile C file (SDL library).
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
	@echo Compiling $<
	@-mkdir -p $(dir $@)
	@powerpc-gekko-gcc $(CFLAGS) -c $< -o $@ $(PIPE_TO_SED)