#########################
## Toolchain variables ##
#########################

# Default toolchain directory
TOOLCHAIN_DIR=/opt/gcw0-toolchain

# All toolchain-related variables may be
# overridden via the command line
ifdef GCW0_CC
CC                    = $(GCW0_CC)
else
CC                    = $(TOOLCHAIN_DIR)/usr/bin/mipsel-gcw0-linux-uclibc-gcc
endif

ifdef GCW0_CXX
CXX                   = $(GCW0_CXX)
else
CXX                   = $(TOOLCHAIN_DIR)/usr/bin/mipsel-gcw0-linux-uclibc-g++
endif

ifdef GCW0_STRIP
STRIP                 = $(GCW0_STRIP)
else
STRIP                 = $(TOOLCHAIN_DIR)/usr/bin/mipsel-gcw0-linux-uclibc-strip
endif

GCW0_SDL_CONFIG      ?= $(TOOLCHAIN_DIR)/usr/mipsel-gcw0-linux-uclibc/sysroot/usr/bin/sdl-config
GCW0_FREETYPE_CONFIG ?= $(TOOLCHAIN_DIR)/usr/mipsel-gcw0-linux-uclibc/sysroot/usr/bin/freetype-config
GCW0_MK_SQUASH_FS    ?= $(TOOLCHAIN_DIR)/usr/bin/mksquashfs

GCW0_INC_DIR         ?= $(TOOLCHAIN_DIR)/usr/mipsel-gcw0-linux-uclibc/sysroot/usr/include
GCW0_LIB_DIR         ?= $(TOOLCHAIN_DIR)/usr/mipsel-gcw0-linux-uclibc/sysroot/usr/lib

#########################
#########################

PACKAGE_NAME = retroarch

DEBUG ?= 0

DINGUX = 1
HAVE_SCREENSHOTS = 0
HAVE_REWIND = 1
HAVE_7ZIP = 1
HAVE_AL = 1
# ALSA freezes when switching back from menu
HAVE_ALSA = 0
HAVE_DSP_FILTER = 1
HAVE_VIDEO_FILTER = 1
HAVE_STATIC_VIDEO_FILTERS = 1
HAVE_STATIC_AUDIO_FILTERS = 1
HAVE_FILTERS_BUILTIN	= 1
HAVE_BUILTINMBEDTLS = 0
HAVE_BUILTINZLIB = 1
HAVE_C99 = 1
HAVE_CC = 1
HAVE_CC_RESAMPLER = 1
HAVE_CHD = 1
HAVE_COMMAND = 0
HAVE_CXX = 1
HAVE_DR_MP3 = 1
HAVE_DYNAMIC = 1
HAVE_EGL = 0
HAVE_FREETYPE = 0
HAVE_GDI = 1
HAVE_GETADDRINFO = 0
HAVE_GETOPT_LONG = 1
HAVE_GLSL = 0
HAVE_HID = 1
HAVE_IBXM = 1
HAVE_IMAGEVIEWER = 1
HAVE_LANGEXTRA = 0
HAVE_LIBRETRODB = 1
HAVE_MENU = 1
HAVE_MENU_COMMON = 1
HAVE_GFX_WIDGETS = 0
HAVE_MMAP = 1
HAVE_OPENDINGUX_FBDEV = 0
HAVE_OPENGL = 0
HAVE_OPENGL1 = 0
HAVE_OPENGLES = 0
HAVE_OPENGLES3 = 0
HAVE_OPENGL_CORE = 0
HAVE_OPENSSL = 1
HAVE_OVERLAY = 0
HAVE_RBMP = 1
HAVE_RJPEG = 1
HAVE_RPILED = 0
HAVE_RPNG = 1
HAVE_RUNAHEAD = 1
HAVE_SDL_DINGUX = 1
HAVE_SHADERPIPELINE = 0
HAVE_STB_FONT = 0
HAVE_STB_IMAGE = 1
HAVE_STB_VORBIS = 1
HAVE_STDIN_CMD = 0
HAVE_STRCASESTR = 1
HAVE_THREADS = 1
HAVE_UDEV = 1
HAVE_RGUI = 1
HAVE_MATERIALUI = 0
HAVE_XMB = 0
HAVE_OZONE = 0
HAVE_ZLIB = 1
HAVE_CONFIGFILE = 1
HAVE_PATCH = 1
HAVE_CHEATS = 1
HAVE_CHEEVOS = 0
HAVE_LIBSHAKE = 1

OS = Linux
TARGET = retroarch
OPK_NAME = retroarch_rg350.opk

OBJ :=
LINK := $(CXX)
DEF_FLAGS := -march=mips32 -mtune=mips32r2 -mhard-float -ffast-math -fomit-frame-pointer
DEF_FLAGS += -mplt -mno-shared
DEF_FLAGS += -ffunction-sections -fdata-sections
DEF_FLAGS += -I. -Ideps -Ideps/stb -DDINGUX=1 -MMD
DEF_FLAGS += -Wall -Wno-unused-variable
DEF_FLAGS += -std=gnu99 -D_GNU_SOURCE -flto
LIBS := -ldl -lz -lrt -ludev -pthread
CFLAGS :=
CXXFLAGS := -fno-exceptions -fno-rtti -std=c++11 -D__STDC_CONSTANT_MACROS
ASFLAGS :=
LDFLAGS := -Wl,--gc-sections
INCLUDE_DIRS = -I$(GCW0_INC_DIR)
LIBRARY_DIRS = -L$(GCW0_LIB_DIR)
DEFINES := -DRARCH_INTERNAL -D_FILE_OFFSET_BITS=64 -UHAVE_STATIC_DUMMY
DEFINES += -DHAVE_C99=1 -DHAVE_CXX=1
DEFINES += -DHAVE_GETOPT_LONG=1 -DHAVE_STRCASESTR=1 -DHAVE_DYNAMIC=1
DEFINES += -DHAVE_AL=1
DEFINES += -DHAVE_FILTERS_BUILTIN
DEFINES += -DHAVE_UDEV=1

SDL_DINGUX_CFLAGS := $(shell $(GCW0_SDL_CONFIG) --cflags)
SDL_DINGUX_LIBS := $(shell $(GCW0_SDL_CONFIG) --libs)
FREETYPE_CFLAGS := $(shell $(GCW0_FREETYPE_CONFIG) --cflags)
FREETYPE_LIBS := $(shell $(GCW0_FREETYPE_CONFIG) --libs)
AL_LIBS := -lopenal
MMAP_LIBS = -lc

OBJDIR_BASE := obj-unix

ifeq ($(DEBUG), 1)
   OBJDIR := $(OBJDIR_BASE)/debug
   DEF_FLAGS += -O0 -g -DDEBUG -D_DEBUG
else
   OBJDIR := $(OBJDIR_BASE)/release
   DEF_FLAGS += -O2 -DNDEBUG
endif

include Makefile.common

DEF_FLAGS += $(INCLUDE_DIRS)
LDFLAGS += $(CFLAGS) $(CXXFLAGS) $(DEF_FLAGS)
CFLAGS += $(DEF_FLAGS)
CXXFLAGS += $(DEF_FLAGS)

HEADERS = $(wildcard */*/*.h) $(wildcard */*.h) $(wildcard *.h)

Q := @

RARCH_OBJ := $(addprefix $(OBJDIR)/,$(OBJ))

define DESKTOP_ENTRY
[Desktop Entry]
Name=RetroArch
Comment=Frontend for emulators, game engines
Exec=retroarch
Terminal=false
Type=Application
StartupNotify=true
Icon=retroarch
Categories=emulators;
X-OD-NeedsDownscaling=true
endef
export DESKTOP_ENTRY

all: $(TARGET) opk

-include $(RARCH_OBJ:.o=.d)

SYMBOL_MAP := -Wl,-Map=output.map

$(TARGET): $(RARCH_OBJ)
	@$(if $(Q), $(shell echo echo LD $@),)
	$(Q)$(LINK) -o $@ $(RARCH_OBJ) $(LIBS) $(LDFLAGS) $(LIBRARY_DIRS)

$(OBJDIR)/%.o: %.c
	@mkdir -p $(dir $@)
	@$(if $(Q), $(shell echo echo CC $<),)
	$(Q)$(CC) $(CPPFLAGS) $(CFLAGS) $(DEFINES) -c -o $@ $<

$(OBJDIR)/%.o: %.cpp
	@mkdir -p $(dir $@)
	@$(if $(Q), $(shell echo echo CXX $<),)
	$(Q)$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(DEFINES) -MMD -c -o $@ $<

$(OBJDIR)/%.o: %.m
	@mkdir -p $(dir $@)
	@$(if $(Q), $(shell echo echo OBJC $<),)
	$(Q)$(CXX) $(OBJCFLAGS) $(DEFINES) -MMD -c -o $@ $<

$(OBJDIR)/%.o: %.S $(HEADERS)
	@mkdir -p $(dir $@)
	@$(if $(Q), $(shell echo echo AS $<),)
	$(Q)$(CC) $(CFLAGS) $(ASFLAGS) $(DEFINES) -c -o $@ $<

clean:
	rm -rf $(OBJDIR_BASE)
	rm -f $(TARGET)
	rm -f *.d
	rm -rf $(OPK_NAME)

opk: $(TARGET)
	echo "$$DESKTOP_ENTRY" > default.gcw0.desktop
	rm -f $(OPK_NAME)
	cp media/ico_src/icon32.png retroarch.png
	if [ $$STRIP_BIN -eq 1 ]; then $(STRIP) --strip-unneeded retroarch; fi
	$(GCW0_MK_SQUASH_FS) retroarch default.gcw0.desktop retroarch.png $(OPK_NAME) -all-root -no-xattrs -noappend -no-exports
	rm -f default.gcw0.desktop retroarch.png

.PHONY: all clean opk

print-%:
	@echo '$*=$($*)'