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# $Id: Makefile 3214 2005-11-17 19:43:37Z bjarni $

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# This makefile is not a standalone makefile, but is called from the general one

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# it contains code specific to MacOS X

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ifdef RELEASE

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ifndef STATIC

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# all OSX releases needs to be static

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# end users don't tend to have the dynamic libs installed

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$(warning Compiling a dynamic release. It should be static unless you really know what you are doing!!!)

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endif

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endif

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ifdef RELEASE

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ifndef UNIVERSAL_BINARY

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$(warning Compiling a release build, that is not a universal binary)

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endif

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endif

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ifdef TRIPLE_BINARY

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ifdef DEBUG

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$(error no G5 optimisation is made in debug builds, so triple binaries aren't possible. Use UNIVERSAL_BINARY instead if you really want a universal debug build)

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endif

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UNIVERSAL_BINARY:=1

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endif

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ifdef UNIVERSAL_BINARY

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ifndef STATIC

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$(warning Compiling a universal binary, that is not static. Adding static flag)

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STATIC:=1

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endif

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endif

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ifdef RELEASE

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ifdef DEBUG

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$(warning Compiling a release build, that is a debug build)

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endif

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endif

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ifeq ($(shell uname), Darwin)

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	# it's a hardware mac, not crosscompiling

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	ifeq ($(shell uname -r), 6.8)

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	# OSX 10.2.8 uses Darwin 6.8, so we better set JAGUAR so we avoid the stuff that was added in 10.3 or later

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$(error OpenTTD can not run or compile on MacOS X 10.2. 10.3.9 or newer is needed)

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	endif

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	NATIVE_OSX:=1

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endif

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ifndef PPC_OSX_TARGET

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PPC_OSX_TARGET:=10.3.9

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endif

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ifndef i386_OSX_TARGET

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i386_OSX_TARGET:=10.4u

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endif

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# 4-byte bools to make YAPF happy

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CFLAGS_PPC += -DFOUR_BYTE_BOOL

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ifndef G5_FLAGS

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G5_FLAGS := -mtune=970 -mcpu=970 -mpowerpc-gpopt

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endif

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ifdef UNIVERSAL_BINARY

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	OTTD_PPC:=1

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	OTTD_i386:=1

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	ifdef TRIPLE_BINARY

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		OTTD_PPC970:=1

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	endif

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endif

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# if any targets have been defined by now, we are crosscompiling and we will set up paths accordingly

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ifdef OTTD_PPC

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	ifndef OSX_NO_SYSROOT

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		CFLAGS_PPC   += -isysroot /Developer/SDKs/MacOSX$(PPC_OSX_TARGET).sdk

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		LDFLAGS_PPC  += -Wl,-syslibroot,/Developer/SDKs/MacOSX$(PPC_OSX_TARGET).sdk

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	endif

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endif

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ifdef OTTD_i386

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	ifndef OSX_NO_SYSROOT

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		CFLAGS_i386  += -isysroot /Developer/SDKs/MacOSX$(i386_OSX_TARGET).sdk

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		LDFLAGS_i386 += -Wl,-syslibroot,/Developer/SDKs/MacOSX$(i386_OSX_TARGET).sdk

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	endif

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endif

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ifdef OTTD_PPC970

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	ifndef OTTD_PPC

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		CFLAGS_PPC   += -isysroot /Developer/SDKs/MacOSX$(PPC_OSX_TARGET).sdk

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		LDFLAGS_PPC  += -Wl,-syslibroot,/Developer/SDKs/MacOSX$(PPC_OSX_TARGET).sdk

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	endif

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endif

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# setting up flags to make a binary, that fits the system it builds on

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ifdef NATIVE_OSX

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	ifndef UNIVERSAL_BINARY

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		# we are not crosscompiling for other macs

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		# the next line fails if it got whitespace in front of it

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$(shell $(CC) os/macosx/G5_detector.c -o os/macosx/G5_detector)

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		IS_G5:=$(shell os/macosx/G5_detector)

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	endif

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endif

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ifdef NATIVE_OSX

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	ifndef OTTD_PPC

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		ifndef OTTD_i386

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			ifndef OTTD_PPC970

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				# no flags have been set for target versions of OSX, so we will set it to compile for the current host

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				ifeq ($(shell uname -p), powerpc)

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					ifdef IS_G5

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						OTTD_PPC970:=1

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					else

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						OTTD_PPC:=1

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					endif

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				else

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					# we are not using a PowerPC CPU, so we assume that it's an Intel mac

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					OTTD_i386:=1

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				endif

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			endif

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		endif

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	endif

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endif

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ifdef OTTD_PPC

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MACOSX_BUILD:=1

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endif

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ifdef OTTD_i386

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MACOSX_BUILD:=1

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endif

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ifdef OTTD_PPC970

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MACOSX_BUILD:=1

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endif

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