DEBUG = 0
LIBRETRO_OPTIMIZATIONS = 0

ifeq ($(platform),)
platform = unix
ifeq ($(shell uname -a),)
   platform = win
else ifneq ($(findstring Darwin,$(shell uname -a)),)
   platform = osx
else ifneq ($(findstring MINGW,$(shell uname -a)),)
   platform = win
endif
endif

MAIN_FBA_DIR := src
FBA_BURN_DIR := $(MAIN_FBA_DIR)/burn
FBA_BURN_DRIVERS_DIR := $(MAIN_FBA_DIR)/burn/drv
FBA_BURNER_DIR := $(MAIN_FBA_DIR)/burner
LIBRETRO_DIR := $(FBA_BURNER_DIR)/libretro
FBA_CPU_DIR := $(MAIN_FBA_DIR)/cpu
FBA_LIB_DIR := $(MAIN_FBA_DIR)/dep/libs
FBA_INTERFACE_DIR := $(MAIN_FBA_DIR)/intf

EXTERNAL_ZLIB = 0

ifeq ($(platform), unix)
   TARGET := libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,-no-undefined -Wl,--version-script=$(LIBRETRO_DIR)/link.T
   ENDIANNESS_DEFINES := -DLSB_FIRST
else ifeq ($(platform), osx)
   TARGET := libretro.dylib
   fpic := -fPIC
   SHARED := -dynamiclib
   ENDIANNESS_DEFINES := -DLSB_FIRST
else ifeq ($(platform), ps3)
   TARGET := libretro.a
   CC = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-gcc.exe
   CXX = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-g++.exe
   AR = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-ar.exe
   ENDIANNESS_DEFINES =  -DWORDS_BIGENDIAN
   PLATFORM_DEFINES := -D__CELLOS_LV2
   EXTERNAL_ZLIB = 1
else ifeq ($(platform), sncps3)
   TARGET := libretro.a
   CXX	= $(CELL_SDK)/host-win32/sn/bin/ps3ppusnc.exe
   CC = $(CELL_SDK)/host-win32/sn/bin/ps3ppusnc.exe
   AR = $(CELL_SDK)/host-win32/sn/bin/ps3snarl.exe
   ENDIANNESS_DEFINES =  -DWORDS_BIGENDIAN
   PLATFORM_DEFINES += -D__CELLOS_LV2__ -DSN_TARGET_PS3
   EXTERNAL_ZLIB = 1
else ifeq ($(platform), xenon)
   TARGET := libretro.a
   CC = xenon-gcc
   CXX = xenon-g++
   AR = xenon-ar
   ENDIANNESS_DEFINES = -DWORDS_BIGENDIAN
   PLATFORM_DEFINES := -D__LIBXENON__ -m32 -D__ppc__
else ifeq ($(platform), wii)
   TARGET := libretro.a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc
   CXX = $(DEVKITPPC)/bin/powerpc-eabi-g++
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar
   ENDIANNESS_DEFINES = -DWORDS_BIGENDIAN
   PLATFORM_DEFINES := -DGEKKO -DHW_RVL -mrvl -mcpu=750 -meabi -mhard-float
   EXTERNAL_ZLIB = 1
else
   TARGET := retro.dll
   CC = gcc
   CXX = g++
   SHARED := -shared -Wl,-no-undefined -Wl,--version-script=$(LIBRETRO_DIR)/link.T
   LDFLAGS += -static-libgcc -static-libstdc++
   ENDIANNESS_DEFINES := -DLSB_FIRST
endif

.PHONY: clean generate-files

all: $(TARGET)

BURN_BLACKLIST := $(FBA_BURNER_DIR)/un7z.cpp \
	$(FBA_CPU_DIR)/arm7/arm7exec.c \
	$(FBA_CPU_DIR)/arm7/arm7core.c \
	$(FBA_CPU_DIR)/hd6309/6309tbl.c \
	$(FBA_CPU_DIR)/hd6309/6309ops.c \
	$(FBA_CPU_DIR)/konami/konamtbl.c \
	$(FBA_CPU_DIR)/konami/konamops.c \
	$(FBA_CPU_DIR)/m68k/m68k_in.c \
	$(FBA_CPU_DIR)/m6800/6800ops.c \
	$(FBA_CPU_DIR)/m6800/6800tbl.c \
	$(FBA_CPU_DIR)/m6805/6805ops.c \
	$(FBA_CPU_DIR)/m6809/6809ops.c \
	$(FBA_CPU_DIR)/m6809/6809tbl.c \
	$(FBA_CPU_DIR)/sh2/mksh2.cpp \
	$(FBA_CPU_DIR)/sh2/mksh2-x86.cpp \
	$(FBA_CPU_DIR)/m68k/m68kmake.c \
	$(FBA_BURNER_DIR)/wave_writer.cpp \
	$(FBA_CPU_DIR)/m68k/m68kdasm.c \
	$(FBA_LIBRETRO_DIR)/menu.cpp \
	$(FBA_CPU_DIR)/sh2/mksh2.cpp \
	$(FBA_BURNER_DIR)/sshot.cpp \
	$(FBA_BURNER_DIR)/conc.cpp \
	$(FBA_BURNER_DIR)/dat.cpp \
	$(FBA_BURNER_DIR)/cong.cpp \
	$(FBA_BURNER_DIR)/image.cpp \
	$(FBA_BURNER_DIR)/misc.cpp \
	$(FBA_CPU_DIR)/h6280/tblh6280.c \
	$(FBA_CPU_DIR)/m6502/t65sc02.c \
	$(FBA_CPU_DIR)/m6502/t65c02.c \
	$(FBA_CPU_DIR)/m6502/tdeco16.c \
	$(FBA_CPU_DIR)/m6502/tn2a03.c \
	$(FBA_CPU_DIR)/m6502/t6502.c \
	$(FBA_CPU_DIR)/nec/v25sfr.c \
	$(FBA_CPU_DIR)/nec/v25instr.c \
	$(FBA_CPU_DIR)/nec/necinstr.c \
	$(FBA_BURN_DIR)/drv/capcom/ctv_make.cpp

ifeq ($(LIBRETRO_OPTIMIZATIONS), 1)
BURN_BLACKLIST += $(FBA_BURN_DIR)/drv/capcom/ctv.cpp
endif

ifeq ($(EXTERNAL_ZLIB), 1)
BURN_BLACKLIST += $(FBA_BURNER_DIR)/unzip.c \
		$(FBA_BURNER_DIR)/ioapi.c	
endif


FBA_BURN_DIRS := $(FBA_BURN_DIR) \
	$(FBA_BURN_DIR)/devices \
	$(FBA_BURN_DIR)/snd \
	$(FBA_BURN_DRIVERS_DIR)/capcom \
	$(FBA_BURN_DRIVERS_DIR)/cave \
	$(FBA_BURN_DRIVERS_DIR)/cps3 \
	$(FBA_BURN_DRIVERS_DIR)/dataeast \
	$(FBA_BURN_DRIVERS_DIR)/galaxian \
	$(FBA_BURN_DRIVERS_DIR)/irem \
	$(FBA_BURN_DRIVERS_DIR)/konami \
	$(FBA_BURN_DRIVERS_DIR)/megadrive \
	$(FBA_BURN_DRIVERS_DIR)/neogeo \
	$(FBA_BURN_DRIVERS_DIR)/pce \
	$(FBA_BURN_DRIVERS_DIR)/pgm \
	$(FBA_BURN_DRIVERS_DIR)/pre90s \
	$(FBA_BURN_DRIVERS_DIR)/psikyo \
	$(FBA_BURN_DRIVERS_DIR)/pst90s \
	$(FBA_BURN_DRIVERS_DIR)/sega \
	$(FBA_BURN_DRIVERS_DIR)/snes \
	$(FBA_BURN_DRIVERS_DIR)/taito \
	$(FBA_BURN_DRIVERS_DIR)/toaplan

FBA_CPU_DIRS := $(FBA_CPU_DIR) \
	$(FBA_CPU_DIR)/arm \
	$(FBA_CPU_DIR)/arm7 \
	$(FBA_CPU_DIR)/h6280 \
	$(FBA_CPU_DIR)/hd6309 \
	$(FBA_CPU_DIR)/i8039 \
	$(FBA_CPU_DIR)/konami \
	$(FBA_CPU_DIR)/m68k \
	$(FBA_CPU_DIR)/m6502 \
	$(FBA_CPU_DIR)/m6800 \
	$(FBA_CPU_DIR)/m6805 \
	$(FBA_CPU_DIR)/m6809 \
	$(FBA_CPU_DIR)/nec \
	$(FBA_CPU_DIR)/s2650 \
	$(FBA_CPU_DIR)/sh2 \
	$(FBA_CPU_DIR)/z80

FBA_LIB_DIRS := $(FBA_LIB_DIR)/zlib

FBA_SRC_DIRS := $(FBA_BURNER_DIR) $(FBA_BURN_DIRS) $(FBA_CPU_DIRS) $(FBA_BURNER_DIRS)

ifeq ($(EXTERNAL_ZLIB), 1)
FBA_DEFINES += -DEXTERNAL_ZLIB
else
FBA_SRC_DIRS += $(FBA_LIB_DIRS)
endif

FBA_CXXSRCS := $(filter-out $(BURN_BLACKLIST),$(foreach dir,$(FBA_SRC_DIRS),$(wildcard $(dir)/*.cpp)))
FBA_CXXSRCS += $(LIBRETRO_DIR)/libretro.cpp $(LIBRETRO_DIR)/neocdlist.cpp
FBA_CXXOBJ := $(FBA_CXXSRCS:.cpp=.o)
FBA_CSRCS := $(filter-out $(BURN_BLACKLIST),$(foreach dir,$(FBA_SRC_DIRS),$(wildcard $(dir)/*.c)))
FBA_COBJ := $(FBA_CSRCS:.c=.o)

OBJS := $(FBA_COBJ) $(FBA_CXXOBJ)

FBA_DEFINES := -DUSE_SPEEDHACKS -D__LIBRETRO__ \
	-D__LIBRETRO_OPTIMIZATIONS__ \
	$(ENDIANNESS_DEFINES) \
	$(PLATFORM_DEFINES) \
	-DINLINE="static inline" \
	-DSH2_INLINE="static inline"

INCDIRS := -I$(FBA_BURNER_DIR)/win32 \
	-I$(LIBRETRO_DIR) \
	-I$(LIBRETRO_DIR)/tchar \
	-I$(FBA_BURN_DIR) \
	-I$(FBA_BURN_DIR)/burner \
	-I$(MAIN_FBA_DIR)/cpu \
	-I$(FBA_BURN_DIR)/snd \
	-I$(FBA_BURN_DIR)/devices \
	-I$(FBA_INTERFACE_DIR) \
	-I$(FBA_INTERFACE_DIR)/input \
	-I$(FBA_INTERFACE_DIR)/cd \
	-I$(FBA_BURNER_DIR) \
	-I$(MAIN_FBA_DIR)/dep/generated \
	-I$(FBA_CPU_DIR) \
	-I$(FBA_CPU_DIR)/m6809 \
	-I$(FBA_CPU_DIR)/m6805 \
	-I$(FBA_CPU_DIR)/m6800 \
	-I$(FBA_CPU_DIR)/h6280 \
	-I$(FBA_CPU_DIR)/nec \
	-I$(FBA_CPU_DIR)/hd6309 \
	-I$(FBA_CPU_DIR)/arm7 \
	-I$(FBA_CPU_DIR)/i8039 \
	-I$(FBA_CPU_DIR)/konami \
	-I$(FBA_CPU_DIR)/m68k \
	-I$(FBA_CPU_DIR)/m6502 \
	-I$(FBA_CPU_DIR)/z80 \
	-I$(FBA_CPU_DIR)/sh2 \
	-I$(FBA_CPU_DIR)/s2650 \
	-I$(FBA_CPU_DIR)/arm \
	-I$(FBA_LIB_DIR)/zlib \
	-I$(FBA_BURN_DIR)/drv/capcom \
	-I$(FBA_BURN_DIR)/drv/dataeast \
	-I$(FBA_BURN_DIR)/drv/cave \
	-I$(FBA_BURN_DIR)/drv/neogeo \
	-I$(FBA_BURN_DIR)/drv/psikyo \
	-I$(FBA_BURN_DIR)/drv/sega \
	-I$(FBA_BURN_DIR)/drv/toaplan \
	-I$(FBA_BURN_DIR)/drv/taito \
	-I$(FBA_LIB_DIR)

ifeq ($(LIBRETRO_OPTIMIZATIONS), 1)
FBA_DEFINES += -D__LIBRETRO_OPTIMIZATIONS__ 
INCDIRS += -I$(MAIN_FBA_DIR)/dep/generated-libretro
endif

ifeq ($(DEBUG), 1)
CFLAGS += -O0 -g
CXXFLAGS += -O0 -g
else
CFLAGS += -O3 -DNDEBUG
CXXFLAGS += -O3 -DNDEBUG
endif

ifeq ($(platform), sncps3)
WARNINGS_DEFINES =
else
WARNINGS_DEFINES = -Wno-write-strings
C_STD_DEFINES = -std=gnu99
endif

CFLAGS += $(C_STD_DEFINES) $(fpic) $(WARNINGS_DEFINES) $(FBA_DEFINES)
CXXFLAGS += $(fpic) $(WARNINGS_DEFINES) $(FBA_DEFINES)
LDFLAGS += $(fpic)


ifeq ($(ZLIB_INTERNAL), 0)
INCDIRS += -I$(FBA_LIB_DIR)
endif

generate:
	rm -rf src/dep/generated
	sh ./generate_files.sh

$(TARGET): generate-files $(OBJS)
	@echo "LD $@"
ifeq ($(platform), ps3)
	@$(AR) rcs $@ $(OBJS)
else ifeq ($(platform), sncps3)
	$(AR) rcs $@ $(OBJS)
else ifeq ($(platform), xenon)
	@$(AR) rcs $@ $(OBJS)
else ifeq ($(platform), wii)
	@$(AR) rcs $@ $(OBJS)
else
	@$(CXX) -o $@ $(SHARED) $(OBJS) $(LDFLAGS)
endif

%.o: %.cpp
	@echo "CXX $<"
	@$(CXX) -c -o $@ $< $(CXXFLAGS) $(INCDIRS)

%.o: %.c
	@echo "CC $<"
	@$(CC) -c -o $@ $< $(CFLAGS) $(INCDIRS)

clean:
	rm -f $(TARGET)
	rm -f $(OBJS)
ifeq ($(GENERATE_FILES), 1)
	rm -rf src/dep/generated
endif