# $Id: Makefile 3214 2005-11-17 19:43:37Z bjarni $
# This makefile is not a standalone makefile, but is called from the general one
# it contains code specific to MacOS X

ifdef RELEASE
ifndef STATIC
# all OSX releases needs to be static
# end users don't tend to have the dynamic libs installed
$(warning Compiling a dynamic release. It should be static unless you really know what you are doing!!!)
endif
endif

ifdef RELEASE
ifndef BUILD_UNIVERSAL_BINARY
$(warning Compiling a release build, that is not a universal binary)
endif
endif

ifdef RELEASE
ifdef DEBUG
$(warning Compiling a release build, that is a debug build)
endif
endif

# setup flags if none are defined
ifndef UNIVERSAL_CFLAGS
	UNIVERSAL_CFLAGS:= -isysroot /Developer/SDKs/MacOSX10.4u.sdk
endif
ifndef UNIVERSAL_LDFLAGS
	UNIVERSAL_LDFLAGS:= -Wl,-syslibroot,/Developer/SDKs/MacOSX10.4u.sdk
endif
ifndef PPC_CC
	PPC_CC:=powerpc-apple-darwin8-gcc-4.0.0
endif
ifndef x86_CC
	x86_CC:=i686-apple-darwin8-gcc-4.0.0
endif
ifdef WITH_PNG
	ifndef LIBPNG_PPC_CONFIG
		LIBPNG_PPC_CONFIG:=$(LIBPNG-CONFIG)
	endif
	ifndef LIBPNG_x86_CONFIG
		LIBPNG_x86_CONFIG:=$(LIBPNG-CONFIG)
	endif
endif
ifdef WITH_SDL
	ifndef SDL_PPC_CONFIG
		SDL_PPC_CONFIG:=$(SDL-CONFIG)
	endif
	ifndef SDL_x86_CONFIG
		SDL_x86_CONFIG:=$(SDL-CONFIG)
	endif
endif

ifdef BUILD_UNIVERSAL_BINARY
	CFLAGS:= $(UNIVERSAL_CFLAGS)
	LDFLAGS:= $(UNIVERSAL_LDFLAGS)

	# set up config files
	ifndef SKIP_LIB_TEST
		ifdef WITH_PNG
			TEST:=$(shell lipo -info `$(LIBPNG_PPC_CONFIG) --prefix`/lib/libpng.a | xargs -n 1 | grep "ppc"))
			ifndef TEST
$(error no PPC libpng found)
			endif
			TEST:=$(shell lipo -info `$(LIBPNG_x86_CONFIG) --prefix`/lib/libpng.a | xargs -n 1 | grep "i386"))
			ifndef TEST
$(error no x86 libpng found)
			endif
		endif

		ifdef WITH_SDL
			ifdef STATIC
				ifndef x86_SDL_LIB
$(error static universal build without a defined x86 SDL lib)
				endif
			endif
			TEST:=$(shell lipo -info `$(SDL_PPC_CONFIG) --prefix`/lib/libSDL.a | xargs -n 1 | grep "ppc"))
			ifndef TEST
$(error no PPC SDL lib found)
			endif
			TEST:=$(shell lipo -info `$(SDL_x86_CONFIG) --prefix`/lib/libSDL.a | xargs -n 1 | grep "i386"))
			ifndef TEST
$(error no x86 SDL lib found)
			endif
		endif
	endif

	ifdef UNIVERSAL_x86_PART
		CFLAGS += -arch i386
		LIBPNG-CONFIG:=$(LIBPNG_x86_CONFIG)
		SDL-CONFIG:=$(SDL_x86_CONFIG)
		CC_TARGET:=$(x86_CC)
		# clear the cached list of PPC libs
		LIBS:=
	else
		CFLAGS += -arch ppc
		LIBPNG-CONFIG:=$(LIBPNG_PPC_CONFIG)
		SDL-CONFIG:=$(SDL_PPC_CONFIG)
		CC_TARGET:=$(PPC_CC)
	endif
endif