DEBUG = 0

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

# system platform
system_platform = unix
ifeq ($(shell uname -a),)
EXE_EXT = .exe
   system_platform = win
else ifneq ($(findstring Darwin,$(shell uname -a)),)
   system_platform = osx
else ifneq ($(findstring MINGW,$(shell uname -a)),)
   system_platform = win
endif

LIBRETRO_DIR := libretro
TARGET_NAME := quicknes

ifeq ($(platform), unix)
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,-version-script=link.T -Wl,-no-undefined
else ifeq ($(platform), osx)
   TARGET := $(TARGET_NAME)_libretro.dylib
   fpic := -fPIC
   SHARED := -dynamiclib
else ifeq ($(platform), ios)
   TARGET := $(TARGET_NAME)_libretro_ios.dylib
   fpic := -fPIC
   SHARED := -dynamiclib

   CC = clang -arch armv7 -isysroot $(IOSSDK) -miphoneos-version-min=5.0
   CXX = clang++ -arch armv7 -isysroot $(IOSSDK) -miphoneos-version-min=5.0
   PLATFORM_DEFINES += -DIOS -miphoneos-version-min=5.0
else ifeq ($(platform), qnx)
	TARGET := $(TARGET_NAME)_libretro_qnx.so
	fpic := -fPIC
	SHARED := -shared -Wl,--version-script=link.T

   CC = qcc -Vgcc_ntoarmv7le
   CXX = QCC -Vgcc_ntoarmv7le
   AR = QCC -Vgcc_ntoarmv7le
   PLATFORM_DEFINES += -D__BLACKBERRY_QNX__
else ifeq ($(platform), ps3)
   TARGET := $(TARGET_NAME)_libretro_ps3.a
   CXX = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-g++.exe
   AR = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-ar.exe
   PLATFORM_DEFINES := -D__CELLOS_LV2__
	STATIC_LINKING = 1
else ifeq ($(platform), sncps3)
   TARGET := $(TARGET_NAME)_libretro_ps3.a
   CC = $(CELL_SDK)/host-win32/sn/bin/ps3ppusnc.exe
   CXX = $(CELL_SDK)/host-win32/sn/bin/ps3ppusnc.exe
   AR = $(CELL_SDK)/host-win32/sn/bin/ps3snarl.exe
   PLATFORM_DEFINES := -D__CELLOS_LV2__
	STATIC_LINKING = 1
else ifeq ($(platform), psl1ght)
   TARGET := $(TARGET_NAME)_libretro_psl1ght.a
   CC = $(PS3DEV)/ppu/bin/ppu-gcc$(EXE_EXT)
   CXX = $(PS3DEV)/ppu/bin/ppu-g++$(EXE_EXT)
   AR = $(PS3DEV)/ppu/bin/ppu-ar$(EXE_EXT)
   PLATFORM_DEFINES := -D__CELLOS_LV2__
	STATIC_LINKING = 1
else ifeq ($(platform), xenon)
   TARGET := $(TARGET_NAME)_libretro_xenon360.a
   CC = xenon-gcc$(EXE_EXT)
   CXX = xenon-g++$(EXE_EXT)
   AR = xenon-ar$(EXE_EXT)
   PLATFORM_DEFINES := -D__LIBXENON__
	STATIC_LINKING = 1
else ifeq ($(platform), ngc)
   TARGET := $(TARGET_NAME)_libretro_ngc.a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
   CXX = $(DEVKITPPC)/bin/powerpc-eabi-g++$(EXE_EXT)
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
   PLATFORM_DEFINES += -DGEKKO -DHW_DOL -mrvl -mcpu=750 -meabi -mhard-float
	STATIC_LINKING = 1
else ifeq ($(platform), wii)
   TARGET := $(TARGET_NAME)_libretro_wii.a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
   CXX = $(DEVKITPPC)/bin/powerpc-eabi-g++$(EXE_EXT)
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
   PLATFORM_DEFINES += -DGEKKO -DHW_RVL -mrvl -mcpu=750 -meabi -mhard-float
	STATIC_LINKING = 1
else ifneq (,$(findstring armv,$(platform)))
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,-version-script=link.T -Wl,-no-undefined
   CC = gcc
ifneq (,$(findstring cortexa8,$(platform)))
   PLATFORM_DEFINES += -marm -mcpu=cortex-a8
else ifneq (,$(findstring cortexa9,$(platform)))
   PLATFORM_DEFINES += -marm -mcpu=cortex-a9
endif
   PLATFORM_DEFINES += -marm
ifneq (,$(findstring neon,$(platform)))
   PLATFORM_DEFINES += -mfpu=neon
   HAVE_NEON = 1
endif
ifneq (,$(findstring softfloat,$(platform)))
   PLATFORM_DEFINES += -mfloat-abi=softfp
else ifneq (,$(findstring hardfloat,$(platform)))
   PLATFORM_DEFINES += -mfloat-abi=hard
endif
   PLATFORM_DEFINES += -DARM
else
   TARGET := $(TARGET_NAME)_libretro.dll
   CC = gcc
   CXX = g++
   SHARED := -shared -static-libgcc -static-libstdc++ -Wl,-no-undefined -Wl,-version-script=link.T
endif

all: $(TARGET)

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

EMU_DIR := ../nes_emu

CXXSRCS := \
	$(EMU_DIR)/abstract_file.cpp \
	$(EMU_DIR)/apu_state.cpp \
	$(EMU_DIR)/Blip_Buffer.cpp \
	$(EMU_DIR)/Effects_Buffer.cpp \
	$(EMU_DIR)/Mapper_Fme7.cpp \
	$(EMU_DIR)/Mapper_Mmc5.cpp \
	$(EMU_DIR)/Mapper_Namco106.cpp \
	$(EMU_DIR)/Mapper_Vrc6.cpp \
	$(EMU_DIR)/misc_mappers.cpp \
	$(EMU_DIR)/Multi_Buffer.cpp \
	$(EMU_DIR)/Nes_Apu.cpp \
	$(EMU_DIR)/Nes_Buffer.cpp \
	$(EMU_DIR)/Nes_Cart.cpp \
	$(EMU_DIR)/Nes_Core.cpp \
	$(EMU_DIR)/Nes_Cpu.cpp \
	$(EMU_DIR)/nes_data.cpp \
	$(EMU_DIR)/Nes_Effects_Buffer.cpp \
	$(EMU_DIR)/Nes_Emu.cpp \
	$(EMU_DIR)/Nes_File.cpp \
	$(EMU_DIR)/Nes_Film.cpp \
	$(EMU_DIR)/Nes_Film_Data.cpp \
	$(EMU_DIR)/Nes_Film_Packer.cpp \
	$(EMU_DIR)/Nes_Fme7_Apu.cpp \
	$(EMU_DIR)/Nes_Mapper.cpp \
	$(EMU_DIR)/nes_mappers.cpp \
	$(EMU_DIR)/Nes_Mmc1.cpp \
	$(EMU_DIR)/Nes_Mmc3.cpp \
	$(EMU_DIR)/Nes_Namco_Apu.cpp \
	$(EMU_DIR)/Nes_Oscs.cpp \
	$(EMU_DIR)/Nes_Ppu.cpp \
	$(EMU_DIR)/Nes_Ppu_Impl.cpp \
	$(EMU_DIR)/Nes_Ppu_Rendering.cpp \
	$(EMU_DIR)/Nes_Recorder.cpp \
	$(EMU_DIR)/Nes_State.cpp \
	$(EMU_DIR)/nes_util.cpp \
	$(EMU_DIR)/Nes_Vrc6_Apu.cpp \
	libretro.cpp

LIBSRCS := \
	../fex/Data_Reader.cpp \
	../fex/blargg_errors.cpp \
	../fex/blargg_common.cpp

CXXOBJ := $(CXXSRCS:.cpp=.o) $(LIBSRCS:.cpp=.o)

OBJS := $(CXXOBJ)

DEFINES := -D__LIBRETRO__ $(PLATFORM_DEFINES) -Wall -Wno-multichar -Wno-unused-variable -Wno-sign-compare -DNDEBUG \
	-DSTD_AUTO_FILE_WRITER=Std_File_Writer \
	-DSTD_AUTO_FILE_READER=Std_File_Reader \
	-DSTD_AUTO_FILE_COMP_READER=Std_File_Reader \
	-DSTD_AUTO_FILE_COMP_WRITER=Std_File_Writer

CFLAGS += $(fpic) $(DEFINES) -std=gnu99
CXXFLAGS += $(fpic) $(DEFINES)

INCDIRS := -I$(EMU_DIR) -I. -I..

$(TARGET): $(OBJS)
ifeq ($(STATIC_LINKING), 1)
	$(AR) rcs $@ $(OBJS)
else
	$(CXX) -o $@ $(SHARED) $(OBJS) $(LDFLAGS) $(LIBS)
endif

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

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

clean-objs:
	rm -f $(OBJS)

clean:
	rm -f $(OBJS)
	rm -f $(TARGET)

.PHONY: clean clean-objs