###########################################################################
#
#   makefile
#
#   Core makefile for building MAME and derivatives
#
#   Copyright (c) Nicola Salmoria and the MAME Team.
#   Visit http://mamedev.org for licensing and usage restrictions.
#
###########################################################################



###########################################################################
#################   BEGIN USER-CONFIGURABLE OPTIONS   #####################
###########################################################################


#-------------------------------------------------
# specify core target: mame, mess, etc.
# specify subtarget: mame, mess, tiny, etc.
# build rules will be included from 
# src/$(TARGET)/$(SUBTARGET).mak
#-------------------------------------------------

ifndef TARGET
TARGET = mame
endif

ifndef SUBTARGET
SUBTARGET = $(TARGET)
endif



#-------------------------------------------------
# specify OSD layer: windows, sdl, etc.
# build rules will be included from 
# src/osd/$(OSD)/$(OSD).mak
#-------------------------------------------------

ifndef OSD
OSD = windows
endif



#-------------------------------------------------
# specify OS target, which further differentiates
# the underlying OS; supported values are:
# win32, unix, macosx, os2
#-------------------------------------------------

ifndef TARGETOS
ifeq ($(OSD),windows)
TARGETOS = win32
else
TARGETOS = unix
endif
endif



#-------------------------------------------------
# configure name of final executable
#-------------------------------------------------

# uncomment and specify prefix to be added to the name
# PREFIX =

# uncomment and specify suffix to be added to the name
# SUFFIX =



#-------------------------------------------------
# specify architecture-specific optimizations
#-------------------------------------------------

# uncomment and specify architecture-specific optimizations here
# some examples:
#   optimize for I686:   ARCHOPTS = -march=pentiumpro
#   optimize for Core 2: ARCHOPTS = -march=pentium-m -msse3
#   optimize for G4:     ARCHOPTS = -mcpu=G4
# note that we leave this commented by default so that you can
# configure this in your environment and never have to think about it
# ARCHOPTS =



#-------------------------------------------------
# specify program options; see each option below 
# for details
#-------------------------------------------------

# uncomment next line to include the debugger
# DEBUG = 1

# uncomment next line to include the internal profiler
# PROFILER = 1

# uncomment next line to use DRC MIPS3 engine
X86_MIPS3_DRC = 1

# uncomment next line to use DRC PowerPC engine
X86_PPC_DRC = 1



#-------------------------------------------------
# specify build options; see each option below 
# for details
#-------------------------------------------------

# uncomment next line if you are building for a 64-bit target
# PTR64 = 1

# uncomment next line if you are building for a big-endian target
# BIGENDIAN = 1

# uncomment next line to build expat as part of MAME build
BUILD_EXPAT = 1

# uncomment next line to build zlib as part of MAME build
BUILD_ZLIB = 1

# uncomment next line to include the symbols
# SYMBOLS = 1

# uncomment next line to include profiling information from the compiler
# PROFILE = 1

# uncomment next line to generate a link map for exception handling in windows
# MAP = 1

# specify optimization level or leave commented to use the default
# (default is OPTIMIZE = 3 normally, or OPTIMIZE = 0 with symbols)
# OPTIMIZE = 3


###########################################################################
##################   END USER-CONFIGURABLE OPTIONS   ######################
###########################################################################


#-------------------------------------------------
# sanity check the configuration
#-------------------------------------------------

# disable DRC cores for 64-bit builds
ifdef PTR64
X86_PPC_DRC =
endif

# specify a default optimization level if none explicitly stated
ifndef OPTIMIZE
ifndef SYMBOLS
OPTIMIZE = 3
else
OPTIMIZE = 0
endif
endif

# profiler defaults to on for DEBUG builds
ifdef DEBUG
ifndef PROFILER
PROFILER = 1
endif
endif



#-------------------------------------------------
# platform-specific definitions
#-------------------------------------------------

# extension for executables
EXE = 

ifeq ($(TARGETOS),win32)
EXE = .exe
endif
ifeq ($(TARGETOS),os2)
EXE = .exe
endif

# compiler, linker and utilities
AR = @ar
CC = @gcc
LD = @gcc
MD = -mkdir$(EXE)
RM = @rm -f



#-------------------------------------------------
# form the name of the executable
#-------------------------------------------------

# debug builds just get the 'd' suffix and nothing more
ifdef DEBUG
DEBUGSUFFIX = d
endif

# the name is just 'target' if no subtarget; otherwise it is
# the concatenation of the two (e.g., mametiny)
ifeq ($(TARGET),$(SUBTARGET))
NAME = $(TARGET)
else
NAME = $(TARGET)$(SUBTARGET)
endif

# fullname is prefix+name+suffix+debugsuffix
FULLNAME = $(PREFIX)$(NAME)$(SUFFIX)$(DEBUGSUFFIX)

# add an EXE suffix to get the final emulator name
EMULATOR = $(FULLNAME)$(EXE)



#-------------------------------------------------
# source and object locations
#-------------------------------------------------

# all sources are under the src/ directory
SRC = src

# build the targets in different object dirs, so they can co-exist
OBJ = obj/$(OSD)/$(FULLNAME)



#-------------------------------------------------
# compile-time definitions
#-------------------------------------------------

# CR/LF setup: use both on win32/os2, CR only on everything else
DEFS = -DCRLF=2

ifeq ($(TARGETOS),win32)
DEFS = -DCRLF=3
endif
ifeq ($(TARGETOS),os2)
DEFS = -DCRLF=3
endif

# map the INLINE to something digestible by GCC
DEFS += -DINLINE="static __inline__"

# define LSB_FIRST if we are a little-endian target
ifndef BIGENDIAN
DEFS += -DLSB_FIRST
endif

# define PTR64 if we are a 64-bit target
ifdef PTR64
DEFS += -DPTR64
endif

# define MAME_DEBUG if we are a debugging build
ifdef DEBUG
DEFS += -DMAME_DEBUG
else
DEFS += -DNDEBUG 
endif

# define MAME_PROFILER if we are a profiling build
ifdef PROFILER
DEFS += -DMAME_PROFILER
endif



#-------------------------------------------------
# compile flags
#-------------------------------------------------

# we compile to C89 standard with GNU extensions
CFLAGS = -std=gnu89

# this speeds it up a bit by piping between the preprocessor/compiler/assembler
CFLAGS += -pipe

# add -g if we need symbols
ifdef SYMBOLS
CFLAGS += -g
endif

# add a basic set of warnings
CFLAGS += \
	-Wall \
	-Wpointer-arith \
	-Wbad-function-cast \
	-Wcast-align \
	-Wstrict-prototypes \
	-Wundef \
	-Wformat-security \
	-Wwrite-strings \

# add profiling information for the compiler
ifdef PROFILE
CFLAGS += -pg
endif

# this warning is not supported on the os2 compilers
ifneq ($(TARGETOS),os2)
CFLAGS += -Wdeclaration-after-statement
endif

# add the optimization flag
CFLAGS += -O$(OPTIMIZE)

# if we are optimizing, include optimization options
# and make all errors into warnings
ifneq ($(OPTIMIZE),0)
CFLAGS += -Werror $(ARCHOPTS) -fno-strict-aliasing
endif

# if symbols are on, make sure we have frame pointers
ifdef SYMBOLS
CFLAGS += -fno-omit-frame-pointer
endif



#-------------------------------------------------
# include paths
#-------------------------------------------------

# add core include paths
CFLAGS += \
	-I$(SRC)/$(TARGET) \
	-I$(SRC)/$(TARGET)/includes \
	-I$(OBJ)/$(TARGET)/layout \
	-I$(SRC)/emu \
	-I$(OBJ)/emu \
	-I$(OBJ)/emu/layout \
	-I$(SRC)/lib/util \
	-I$(SRC)/osd \
	-I$(SRC)/osd/$(OSD) \



#-------------------------------------------------
# linking flags
#-------------------------------------------------

# LDFLAGS are used generally; LDFLAGSEMULATOR are additional
# flags only used when linking the core emulator
LDFLAGS = -Wl,--warn-common
LDFLAGSEMULATOR =

# add profiling information for the linker
ifdef PROFILE
LDFLAGS += -pg
endif

# strip symbols and other metadata in non-symbols and non profiling builds
ifndef SYMBOLS
ifndef PROFILE
LDFLAGS += -s
endif
endif

# output a map file (emulator only)
ifdef MAP
LDFLAGSEMULATOR += -Wl,-Map,$(FULLNAME).map
endif

# any reason why this doesn't work for all cases?
ifeq ($(TARGETOS),macosx)
LDFLAGSEMULATOR += -Xlinker -all_load
endif



#-------------------------------------------------
# define the standard object directory; other
# projects can add their object directories to
# this variable
#-------------------------------------------------

OBJDIRS = $(OBJ)



#-------------------------------------------------
# define standard libarires for CPU and sounds
#-------------------------------------------------

LIBEMU = $(OBJ)/libemu.a
LIBCPU = $(OBJ)/libcpu.a
LIBSOUND = $(OBJ)/libsound.a
LIBUTIL = $(OBJ)/libutil.a
LIBOCORE = $(OBJ)/libocore.a
LIBOSD = $(OBJ)/libosd.a

VERSIONOBJ = $(OBJ)/version.o



#-------------------------------------------------
# either build or link against the included 
# libraries
#-------------------------------------------------

# start with an empty set of libs
LIBS = 

# add expat XML library
ifdef BUILD_EXPAT
CFLAGS += -I$(SRC)/lib/expat
EXPAT = $(OBJ)/libexpat.a
else
LIBS += -lexpat
EXPAT =
endif

# add ZLIB compression library
ifdef BUILD_ZLIB
CFLAGS += -I$(SRC)/lib/zlib
ZLIB = $(OBJ)/libz.a
else
LIBS += -lz
ZLIB =
endif



#-------------------------------------------------
# 'all' target needs to go here, before the 
# include files which define additional targets
#-------------------------------------------------

all: maketree buildtools emulator tools



#-------------------------------------------------
# include the various .mak files
#-------------------------------------------------

# include OSD-specific rules first
include $(SRC)/osd/$(OSD)/$(OSD).mak

# then the various core pieces
include $(SRC)/$(TARGET)/$(SUBTARGET).mak
include $(SRC)/emu/emu.mak
include $(SRC)/lib/lib.mak
include $(SRC)/build/build.mak
include $(SRC)/tools/tools.mak

# combine the various definitions to one
CDEFS = $(DEFS) $(COREDEFS) $(CPUDEFS) $(SOUNDDEFS)



#-------------------------------------------------
# primary targets
#-------------------------------------------------

emulator: maketree $(BUILD) $(EMULATOR)

buildtools: maketree $(BUILD)

tools: maketree $(TOOLS)

maketree: $(sort $(OBJDIRS))

clean:
	@echo Deleting object tree $(OBJ)...
	$(RM) -r $(OBJ)
	@echo Deleting $(EMULATOR)...
	$(RM) $(EMULATOR)
	@echo Deleting $(TOOLS)...
	$(RM) $(TOOLS)
ifdef MAP
	@echo Deleting $(FULLNAME).map...
	$(RM) $(FULLNAME).map
endif



#-------------------------------------------------
# directory targets
#-------------------------------------------------

$(sort $(OBJDIRS)):
	$(MD) -p $@



#-------------------------------------------------
# executable targets and dependencies
#-------------------------------------------------

ifndef EXECUTABLE_DEFINED

$(EMULATOR): $(VERSIONOBJ) $(DRVLIBS) $(LIBOSD) $(LIBEMU) $(LIBCPU) $(LIBSOUND) $(LIBUTIL) $(EXPAT) $(ZLIB) $(LIBOCORE) $(RESFILE)
# always recompile the version string
	$(CC) $(CDEFS) $(CFLAGS) -c $(SRC)/version.c -o $(VERSIONOBJ)
	@echo Linking $@...
	$(LD) $(LDFLAGS) $(LDFLAGSEMULATOR) $^ $(LIBS) -o $@

endif



#-------------------------------------------------
# generic rules
#-------------------------------------------------

$(OBJ)/%.o: $(SRC)/%.c | $(OSPREBUILD)
	@echo Compiling $<...
	$(CC) $(CDEFS) $(CFLAGS) -c $< -o $@

$(OBJ)/%.pp: $(SRC)/%.c | $(OSPREBUILD)
	@echo Compiling $<...
	$(CC) $(CDEFS) $(CFLAGS) -E $< -o $@

$(OBJ)/%.s: $(SRC)/%.c | $(OSPREBUILD)
	@echo Compiling $<...
	$(CC) $(CDEFS) $(CFLAGS) -S $< -o $@

$(OBJ)/%.lh: $(SRC)/%.lay $(FILE2STR)
	@echo Converting $<...
	@$(FILE2STR) $< $@ layout_$(basename $(notdir $<))

$(OBJ)/%.fh: $(SRC)/%.png $(PNG2BDC) $(FILE2STR)
	@echo Converting $<...
	@$(PNG2BDC) $< $(OBJ)/temp.bdc
	@$(FILE2STR) $(OBJ)/temp.bdc $@ font_$(basename $(notdir $<)) UINT8

$(OBJ)/%.a:
	@echo Archiving $@...
	$(RM) $@
	$(AR) -cr $@ $^

ifeq ($(TARGETOS),macosx)
$(OBJ)/%.o: $(SRC)/%.m | $(OSPREBUILD)
	@echo Objective-C compiling $<...
	$(CC) $(CDEFS) $(CFLAGS) -c $< -o $@
endif