LOCAL_PATH := $(call my-dir)
FOR_LINUX :=1
#NO_REC := 1
#NO_REND := 1
WEBUI :=1 
USE_ALSA := 1
USE_OSS := 1
#USE_PULSEAUDIO := 1
USE_EVDEV := 1
USE_JOYSTICK := 1

CXX=${CC_PREFIX}g++
CC=${CC_PREFIX}gcc
AS=${CC_PREFIX}as
STRIP=${CC_PREFIX}strip
LD=${CC}

MFLAGS := 
ASFLAGS := 
LDFLAGS :=
INCS :=
LIBS :=
CFLAGS := 
CXXFLAGS :=

# Platform auto-detection
# Can be overridden by using:
#   make platform=x64
ifeq (,$(platform))
    ARCH = $(shell uname -m)
    ifeq ($(ARCH), $(filter $(ARCH), i386 i686))
        platform = x86
    else ifeq ($(ARCH), $(filter $(ARCH), x86_64 AMD64))
        platform = x64
    else ifneq (,$(findstring arm,$(ARCH)))
        HARDWARE = $(shell grep Hardware /proc/cpuinfo)
        ifneq (,$(findstring BCM2709,$(HARDWARE)))
            platform = rpi2
        else ifneq (,$(findstring AM33XX,$(HARDWARE)))
            platform = beagle
        else ifneq (,$(findstring Pandora,$(HARDWARE)))
            platform = pandora
        else ifneq (,$(findstring ODROIDC,$(HARDWARE)))
            platform = odroidc1
        else ifneq (,$(findstring ODROID-XU3,$(HARDWARE)))
            platform = odroidxu3
        else ifneq (,$(findstring ODROIDXU,$(HARDWARE)))
            platform = odroidxu
        else ifneq (,$(findstring ODROIDX2,$(HARDWARE)))
            platform = odroidx2
        else ifneq (,$(findstring ODROIDX,$(HARDWARE)))
            platform = odroidx
        else ifneq (,$(findstring ODROID-U2/U3,$(HARDWARE)))
            platform = odroidu2
        else ifneq (,$(findstring ODROIDU2,$(HARDWARE)))
            platform = odroidu2
        else
            $(error Unsupported Hardware)
        endif
    else ifneq (,$(findstring mips,$(ARCH)))
        platform = gcwz
    else
        $(error Unsupported CPU architecture)
    endif
endif

$(info Platform: $(platform))

# Generic 32 bit x86 (a.k.a. i386/i486/i686)
ifneq (,$(findstring x86,$(platform)))
    X86_REC := 1
    NOT_ARM := 1
    USE_X11 := 1
    MFLAGS += -m32
    ASFLAGS += --32
    LDFLAGS += -m32
    CFLAGS += -m32 -D TARGET_LINUX_x86 -D TARGET_NO_AREC -fsingle-precision-constant
    CXXFLAGS += -fno-exceptions

# Generic 64 bit x86 (a.k.a. x64/AMD64/x86_64/Intel64/EM64T)
else ifneq (,$(findstring x64,$(platform)))
    X64_REC := 1
    NOT_ARM := 1
    USE_X11 := 1
    CFLAGS += -D TARGET_LINUX_x64 -D TARGET_NO_AREC -fsingle-precision-constant
    CXXFLAGS += -fexceptions

# LinCPP
else ifneq (,$(findstring lincpp,$(platform)))
    CPP_REC := 1
    NOT_ARM := 1
    USE_X11 := 1
    CFLAGS += -D TARGET_LINUX_x64 -D TARGET_NO_JIT
    CXXFLAGS += -fexceptions -std=gnu++11

# Raspberry Pi 2
else ifneq (,$(findstring rpi2,$(platform)))
    MFLAGS += -marm -march=armv7-a -mtune=cortex-a9 -mfpu=neon -mfloat-abi=hard -funroll-loops
    ASFLAGS += -march=armv7-a -mfpu=neon -mfloat-abi=softfp
    CFLAGS += -D TARGET_BEAGLE -D TARGET_LINUX_ARMELv7 -DARM_HARDFP -fsingle-precision-constant
    INCS += -I/opt/vc/include/ -I/opt/vc/include/interface/vmcs_host/linux -I/opt/vc/include/interface/vcos/pthreads -I../linux-deps/include
    LIBS += -L/opt/vc/lib/  -L../linux-deps/lib -lbcm_host
    USE_GLES := 1

# BeagleBone Black
else ifneq (,$(findstring beagle,$(platform)))
    CC_PREFIX ?= arm-none-linux-gnueabi-
    MFLAGS += -marm -march=armv7-a -mtune=cortex-a9 -mfpu=neon -mfloat-abi=softfp -funroll-loops
    ASFLAGS := -march=armv7-a -mfpu=neon -mfloat-abi=softfp
    CFLAGS += -D TARGET_BEAGLE -fsingle-precision-constant
    USE_GLES := 1

# Pandora
else ifneq (,$(findstring pandora,$(platform)))
    FOR_PANDORA := 1
    USE_X11 := 1
    USE_SDL := 1
    PGO_USE := 1
    USE_GLES := 1
    MFLAGS +== -marm -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp -funroll-loops -fpermissive
    ASFLAGS += -march=armv7-a -mfpu=neon -mfloat-abi=softfp
    CFLAGS += -D TARGET_PANDORA  -D WEIRD_SLOWNESS -fsingle-precision-constant

# ODROIDs
else ifneq (,$(findstring odroid,$(platform)))
    MFLAGS += -marm -mfpu=neon -mfloat-abi=hard -funroll-loops
    ASFLAGS += -mfpu=neon -mfloat-abi=hard
    CFLAGS += -D TARGET_BEAGLE -D TARGET_LINUX_ARMELv7 -DARM_HARDFP -fsingle-precision-constant
    USE_GLES := 1

    # ODROID-XU3, -XU3 Lite & -XU4
    ifneq (,$(findstring odroidxu3,$(platform)))
        MFLAGS += -march=armv7ve -mtune=cortex-a15.cortex-a7
        ASFLAGS += -march=armv7ve

    # Other ODROIDs
    else
        MFLAGS += -march=armv7-a
        ASFLAGS += -march=armv7-a

        # ODROID-C1 & -C1+
        ifneq (,$(findstring odroidc1,$(platform)))
            MFLAGS += -mtune=cortex-a5

        # ODROID-U2, -U3, -X & -X2
        else
            MFLAGS += -mtune=cortex-a9

        endif
    endif

# GCW Zero
else ifneq (,$(findstring gcwz,$(platform)))
    NOT_ARM := 1
    NO_REC := 1
    CC_PREFIX ?= /opt/gcw0-toolchain/usr/bin/mipsel-gcw0-linux-uclibc-
    CFLAGS += -D TARGET_GCW0 -D TARGET_NO_REC -fsingle-precision-constant
    LIBS += -L../linux-deps/lib -L./enta_viv -lglapi
    GCWZ_PKG = reicast-gcwz.opk
    GCWZ_PKG_FILES = gcwz/default.gcw0.desktop gcwz/icon-32.png
else
    $(error Unknown platform)
endif

RZDCY_SRC_DIR = ../../core
include $(RZDCY_SRC_DIR)/core.mk

LDFLAGS += -g -Wl,-Map,$(notdir $@).map,--gc-sections -Wl,-O3 -Wl,--sort-common

CFLAGS += -g -O3 -D RELEASE -c -D USES_HOMEDIR #-D NO_REND
CFLAGS += -frename-registers -fno-strict-aliasing
CFLAGS += -ffast-math -ftree-vectorize

CXXFLAGS += -fno-rtti -fpermissive -fno-operator-names

INCS += -I$(RZDCY_SRC_DIR) -I$(RZDCY_SRC_DIR)/deps -I$(RZDCY_SRC_DIR)/khronos

LIBS += -lm -lrt -ldl
LIBS  += -lpthread

PREFIX ?= /usr/local
MAN_DIR ?= ${PREFIX}/share/man/man1
MENUENTRY_DIR ?= ${PREFIX}/share/applications
ICON_DIR ?= ${PREFIX}/share/pixmaps

ifndef NOT_ARM
    AS=${CC_PREFIX}gcc
    ASFLAGS += $(CFLAGS)
endif

ifdef USE_SDL
    CXXFLAGS += `sdl-config --cflags`
    LIBS += `sdl-config --libs`
endif

ifdef PGO_MAKE
    CFLAGS += -fprofile-generate -pg
    LDFLAGS += -fprofile-generate
else
    CFLAGS += -fomit-frame-pointer
endif

ifdef PGO_USE
    CFLAGS += -fprofile-use
endif

ifdef LTO_TEST
    CFLAGS += -flto -fwhole-program 
    LDFLAGS +=-flto -fwhole-program 
endif

ifdef USE_X11
    CFLAGS += -D SUPPORT_X11
    CXXFLAGS += -D SUPPORT_X11 
    LIBS += -lX11
endif

ifdef USE_EVDEV
		CXXFLAGS += -D USE_EVDEV
endif

ifdef USE_JOYSTICK
		CXXFLAGS += -D USE_JOYSTICK
endif

ifdef USE_ALSA
    CXXFLAGS += -D USE_ALSA
    LIBS += -lasound
endif

ifdef USE_OSS
    CXXFLAGS += -D USE_OSS
endif

ifdef USE_PULSEAUDIO
    CXXFLAGS += -D USE_PULSEAUDIO
    LIBS += -lpulse-simple
endif

# GLES on x11?
ifdef USE_GLES
    CXXFLAGS += -DGLES
    LIBS += -lEGL -lGLESv2
else
    LIBS += -ldl -lGL #for desktop gl
endif


OBJECTS=$(RZDCY_FILES:.cpp=.build_obj)
OBJECTS:=$(OBJECTS:.c=.build_obj)
OBJECTS:=$(OBJECTS:.S=.build_obj)
OBJECTS:=$(patsubst $(RZDCY_SRC_DIR)/%,obj-$(platform)/%,$(OBJECTS))

EXECUTABLE_STRIPPED=nosym-reicast.elf
EXECUTABLE=reicast


all: $(CPPFILES) $(EXECUTABLE) $(EXECUTABLE_STRIPPED)
ifneq (,$(findstring gcwz,$(platform)))
	mksquashfs $(EXECUTABLE_STRIPPED) $(GCWZ_PKG_FILES) $(GCWZ_PKG) -all-root
endif
	
$(EXECUTABLE): $(OBJECTS)
	$(CXX) $(MFLAGS) $(EXTRAFLAGS) $(LDFLAGS)  $(OBJECTS) $(LIBS) -o $@

$(EXECUTABLE_STRIPPED): $(EXECUTABLE)
	cp $< $@ && $(STRIP) $@

obj-$(platform)/%.build_obj : $(RZDCY_SRC_DIR)/%.cpp
	mkdir -p $(dir $@)
	$(CXX) $(EXTRAFLAGS) $(INCS) $(CFLAGS) $(MFLAGS) $(CXXFLAGS) $< -o $@
	
obj-$(platform)/%.build_obj : $(RZDCY_SRC_DIR)/%.c
	mkdir -p $(dir $@)
	$(CC) $(EXTRAFLAGS) $(INCS) $(CFLAGS) $< -o $@

obj-$(platform)/%.build_obj : $(RZDCY_SRC_DIR)/%.S
	mkdir -p $(dir $@)	
	$(AS) $(ASFLAGS) $(INCS) $< -o $@

install: $(EXECUTABLE)
	mkdir -p $(DESTDIR)$(PREFIX)/bin 2>/dev/null || /bin/true
	mkdir -p $(DESTDIR)$(PREFIX)/share/reicast/mappings 2>/dev/null || /bin/true
	mkdir -p $(DESTDIR)$(MAN_DIR) 2>/dev/null || /bin/true
	mkdir -p $(DESTDIR)$(MENUENTRY_DIR) 2>/dev/null || /bin/true
	mkdir -p $(DESTDIR)$(ICON_DIR) 2>/dev/null || /bin/true
	install -m755 $(EXECUTABLE) $(DESTDIR)$(PREFIX)/bin
	install -m755 tools/reicast-joyinfo.py $(DESTDIR)$(PREFIX)/bin/reicast-joyinfo
	install -m644 mappings/controller_gcwz.cfg $(DESTDIR)$(PREFIX)/share/reicast/mappings
	install -m644 mappings/controller_generic.cfg $(DESTDIR)$(PREFIX)/share/reicast/mappings
	install -m644 mappings/controller_pandora.cfg $(DESTDIR)$(PREFIX)/share/reicast/mappings
	install -m644 mappings/controller_xboxdrv.cfg $(DESTDIR)$(PREFIX)/share/reicast/mappings
	install -m644 mappings/controller_xpad.cfg $(DESTDIR)$(PREFIX)/share/reicast/mappings
	install -m644 mappings/keyboard.cfg $(DESTDIR)$(PREFIX)/share/reicast/mappings
	install -m644 man/reicast.1 $(DESTDIR)$(MAN_DIR)
	install -m644 reicast.desktop $(DESTDIR)$(MENUENTRY_DIR)
	install -m644 reicast.png $(DESTDIR)$(ICON_DIR)

uninstall:
	rm -f $(DESTDIR)$(PREFIX)/bin/$(EXECUTABLE)
	rm -f $(DESTDIR)$(MAN_DIR)/reicast.1

clean:
	rm -f $(OBJECTS) $(EXECUTABLE) $(EXECUTABLE_STRIPPED) .map