# Shared make information between Build engine and games

ENGINELIB=libengine.a
EDITORLIB=libbuild.a

SDLCONFIG = /usr/local/bin/sdl-config
SDLNAME = SDL

ifeq ($(wildcard $(SDLCONFIG)),$(SDLCONFIG))
#    $(info Detected locally installed SDL 1.X)
    SDLROOT		= /usr/local
else
    # Swap the commenting in the following two lines to
    # enable SDL 2.X detection
    SDLCONFIG = /usr/local/file_that_does_not_exist
#    SDLCONFIG = /usr/local/bin/sdl2-config

    ifeq ($(wildcard $(SDLCONFIG)),$(SDLCONFIG))
#        $(info Detected locally installed SDL 2.X)
        SDLROOT = /usr/local
        SDLNAME = SDL2
    else
#        $(info Detected system-wide installed SDL 1.X)
        SDLCONFIG	= /usr/bin/sdl-config
    endif
endif

SDL_FRAMEWORK	= 0

# Detect machine architecture
SYSARCH?=$(strip $(shell uname -m))

# GCC version, for conditional selection of flags.
# This is easier than trying to squeeze it out of gcc --version:
GCC_MAJOR ?= 4
ifeq (4,$(GCC_MAJOR))
    F_NO_STACK_PROTECTOR := -fno-stack-protector
    # there are some link-time issues with stack protectors, so make it possible to override
    F_STACK_PROTECTOR_ALL ?= -fstack-protector-all
    ifeq (0,$(CLANG))
        F_JUMP_TABLES := -fjump-tables
    endif
    M_TUNE_GENERIC := -mtune=generic
    M_STACKREALIGN := -mstackrealign
    L_SSP := -lssp
    W_STRICT_OVERFLOW := -Wstrict-overflow=1
endif

ifndef ARCH
    ifeq ($(PLATFORM), WII)
        ARCH=
    else
    ifeq ($(findstring i686, $(shell uname -m)), i686)
        ARCH=-march=pentium3 $(M_TUNE_GENERIC) -mmmx # -msse2 -mfpmath=sse,387 -malign-double $(M_STACKREALIGN)
    else
        ARCH=
    endif
    endif
endif

BUILDCFLAGS=$(ARCH)
BUILDLDFLAGS=$(ARCH)

# Detect the platform if it wasn't explicitly given to us from
# the outside world. This allows cross-compilation by overriding
# CC and giving us PLATFORM specifically.
#
ifndef PLATFORM
    uname=$(strip $(shell uname -s))
    PLATFORM=UNKNOWN
    ifeq ($(findstring Linux,$(uname)),Linux)
        PLATFORM=LINUX
    endif
    ifeq ($(findstring BSD,$(uname)),BSD)
        PLATFORM=BSD
    endif
    ifeq ($(findstring MINGW,$(uname)),MINGW)
        PLATFORM=WINDOWS
    endif
    ifeq ($(findstring Darwin,$(uname)),Darwin)
        PLATFORM=DARWIN
    endif
    ifeq ($(findstring BeOS,$(uname)),BeOS)
        PLATFORM=BEOS
    endif
    ifeq ($(findstring skyos,$(uname)),skyos)
        PLATFORM=SKYOS
    endif
    ifeq ($(findstring QNX,$(uname)),QNX)
        PLATFORM=QNX
    endif
    ifeq ($(findstring SunOS,$(uname)),SunOS)
        PLATFORM=SUNOS
    endif
    ifeq ($(findstring syllable,$(uname)),syllable)
        PLATFORM=SYLLABLE
    endif
endif

ifeq ($(PLATFORM),LINUX)
    STDCPPLIB=
else
    # Overridden for OSes that don't have the cutdown stdc++ that is supc++
    STDCPPLIB= -lsupc++
endif

ifeq ($(PLATFORM),LINUX)
    RENDERTYPE=SDL
    BUILDCFLAGS+= -DHAVE_INTTYPES
    GTKCOMPAT32=0

    ifeq ($(findstring x86_64,$(shell uname -m)),x86_64)
        ifeq (1,$(BUILD32_ON_64))
            # On my 64bit Gentoo these are the 32bit emulation libs
            LIBS+= -m32 -L/emul/linux/x86/usr/lib
            BUILDCFLAGS+= -m32
            # Override WITHOUT_GTK=0
            GTKCOMPAT32=1
        else
            override NOASM=1
        endif
    endif
endif
ifeq ($(PLATFORM),DARWIN)
    DARWINVERSION?=$(strip $(shell uname -r | cut -d . -f 1))
    ifeq (1,$(strip $(shell expr $(DARWINVERSION) \< 10)))
        DARWIN9 ?= 1
    endif

    RENDERTYPE    = SDL
    STDCPPLIB    = -lstdc++
    BUILDCFLAGS    += -DHAVE_INTTYPES #-fno-leading-underscore
    GTKCOMPAT32    = 0
    SDL_FRAMEWORK    = 1

    ifeq (1,$(DARWIN9))
        BUILDCFLAGS += -DDARWIN9
        F_JUMP_TABLES :=
        W_STRICT_OVERFLOW :=
    endif

    ifeq (1,$(BUILD32_ON_64))
        BUILDCFLAGS += $(F_NO_STACK_PROTECTOR)
        ARCH=-arch i386
    else
        ifeq ($(findstring ppc,$(ARCH)),ppc)
            BUILDCFLAGS += $(F_NO_STACK_PROTECTOR)
        endif
        # ASM won't work on PowerPC or x86_64
        override NOASM    = 1
    endif
endif
ifeq ($(PLATFORM),WINDOWS)
    RENDERTYPE ?= WIN
    BUILDCFLAGS+= -DHAVE_INTTYPES
    EXESUFFIX=.exe
    LIBS+= -lmingwex -lwinmm -L$(DXROOT)/lib -lwsock32 -lcomctl32 #-lshfolder
#    STDCPPLIB=-lstdc++
endif
ifeq ($(PLATFORM),BSD)
    RENDERTYPE=SDL
    BUILDCFLAGS+= -DHAVE_INTTYPES
    ifneq ($(findstring i386, $(shell uname -m)), i386)
        override NOASM=1
    endif
    override NEDMALLOC=0
    STDCPPLIB=-lstdc++
endif
ifeq ($(PLATFORM),BEOS)
    RENDERTYPE=SDL
    STDCPPLIB=-lstdc++
endif
ifeq ($(PLATFORM),SKYOS)
    RENDERTYPE=SDL
    EXESUFFIX=.app
    override NOASM=1
    BUILDCFLAGS+= -DUNDERSCORES
    SDLCONFIG=
    SDLCONFIG_CFLAGS=-I/boot/programs/sdk/include/sdl
    LIBS+= -lSDL -lnet
endif
ifeq ($(PLATFORM),WII)
    ifeq ($(strip $(DEVKITPPC)),)
    $(error "Please set DEVKITPPC in your environment. export DEVKITPPC=<path to>devkitPPC")
    endif

    include $(DEVKITPPC)/wii_rules

    RANLIB=powerpc-eabi-ranlib
    STRIP=powerpc-eabi-strip

    RENDERTYPE=SDL
    EXESUFFIX=.elf
    override USE_OPENGL=0
    override NOASM=1
    override WITHOUT_GTK=1
    # -msdata=eabi
    BUILDCFLAGS+= -g -mtune=750 -meabi -mhard-float \
        -DGEKKO -DHAVE_INTTYPES -D__POWERPC__ \
        -I$(LIBOGC_INC) -I$(LIBOGC_INC)/SDL -I$(PORTLIBS)/include
    SDLCONFIG=
    LIBS+= -lSDL_mixer -lsmpeg -lSDL -laesnd
endif
ifeq ($(PLATFORM),QNX)
    RENDERTYPE=SDL
    override USE_OPENGL=0
    override NOASM=1
    STDCPPLIB=-lstdc++
    LIBS+= -lsocket
endif
ifeq ($(PLATFORM),SUNOS)
    RENDERTYPE=SDL
    override USE_OPENGL=0
    override NOASM=1
    STDCPPLIB=-lstdc++
    LIBS+= -lsocket -lnsl
endif
ifeq ($(PLATFORM),SYLLABLE)
    RENDERTYPE=SDL
    override USE_OPENGL=0
    override NOASM=1
endif

ifeq ($(RENDERTYPE),SDL)
    ifeq ($(SDL_FRAMEWORK),1)
        LIBS        += -Wl,-framework,SDL
        SDLCONFIG_CFLAGS+= -I$(APPLE_FRAMEWORKS)/SDL.framework/Headers
    else
    ifneq ($(SDLCONFIG),)
        SDLCONFIG_LIBS+= $(shell $(SDLCONFIG) --libs)
        LIBS+= $(SDLCONFIG_LIBS)
        SDLCONFIG_CFLAGS+=$(shell $(SDLCONFIG) --cflags)
    endif
    endif

    ifeq (1,$(WITHOUT_GTK))
        HAVE_GTK2=0
    else
        ifneq (No,$(shell pkg-config --exists gtk+-2.0 || echo No))
            HAVE_GTK2=1
            # On my 64bit Gentoo box I have Cairo enabled which means the libs list includes
            # -lpangocairo-1.0 and -lcairo, however the 32bit compatibility libraries don't
            # include cairo, so we need to filter out those -l switches in order to link
            ifneq ($(LINKED_GTK),0)
                ifeq ($(GTKCOMPAT32),1)
                    LIBS+= $(shell pkg-config --libs gtk+-2.0 | sed 's/\s-l\(pango\)\{0,1\}cairo\S*\s/ /g')
                else
                    LIBS+= $(shell pkg-config --libs gtk+-2.0)
                endif
            endif
        else
            HAVE_GTK2=0
        endif
    endif
else
    ifeq ($(RENDERTYPE),WIN)
        LIBS+= -mwindows -ldxguid
    endif
endif


BUILDCFLAGS+= -DRENDERTYPE$(RENDERTYPE)=1 $(W_STRICT_OVERFLOW)

ifneq (0,$(USE_OPENGL))
    BUILDCFLAGS+= -DUSE_OPENGL
endif
ifneq (0,$(NOASM))
    BUILDCFLAGS+= -DNOASM
endif
ifneq (0,$(LINKED_GTK))
    BUILDCFLAGS+= -DLINKED_GTK
endif

ifneq (0,$(POLYMER))
 ifneq (0,$(USE_OPENGL))
  BUILDCFLAGS+= -DPOLYMER
 endif
endif

ifneq (0,$(NEDMALLOC))
    BUILDCFLAGS+= -DNEDMALLOC
endif

ifneq ($(EXESUFFIX_OVERRIDE),)
    EXESUFFIX=$(EXESUFFIX_OVERRIDE)
endif

STATICSTDCPP?=
ifeq (1,$(STATICSTDCPP))
    STATICSTDCPP= -static
endif
ifeq (0,$(STATICSTDCPP))
    STATICSTDCPP= -shared
endif


ifneq ($(PLATFORM),WINDOWS)
    ifneq ($(PLATFORM),WII)
        LIBS+= -ldl
    endif
    LIBS+= -pthread
endif

ifeq ($(PLATFORM),WINDOWS)
    ifneq ($(USE_LIBPNG),0)
        # XXX: these assume that the compiler runs from build/. Ugh.
        LIBS+= -L../Windows/lib -lpng_mini -lz_mini
        BUILDCFLAGS+= -I../Windows/include
    endif
else
    ifeq ($(PLATFORM),DARWIN)
        ifneq ($(USE_LIBPNG),0)
            BUILDCFLAGS+= -I/opt/local/include -I/sw/include -I/usr/local/include 
            LIBS+= -L/opt/local/lib -L/usr/local/lib -lpng # -lz
        endif
    else
        ifneq ($(USE_LIBPNG),0)
            LIBS+= -lpng -lz
        endif
    endif
endif

ifeq ($(PLATFORM),WINDOWS)
    LIBS+= $(L_SSP) -Wl,--enable-auto-import
    LIBS+= -lwsock32 -lws2_32 -lwinmm #-L$(ENETROOT)
endif


ifeq ($(PRETTY_OUTPUT),1)
BUILD_STARTED = printf "\033[K\033[1;36mBuild started using \"$(CC) $(OURCFLAGS) $(OURCONLYFLAGS) $(OURCXXFLAGS)\"\033[0m\n"
BUILD_ECHOFLAGS = printf "\033[K\033[1;36mEnded compilation in this directory using \"$(CC) $(OURCFLAGS) $(OURCONLYFLAGS) $(OURCXXFLAGS)\"\033[0m\n"
BUILD_FINISHED = printf "\033[K\033[1;36mBuild successful:\033[0m\n"
COMPILE_STATUS = printf "\033[K\033[0mBuilding object \033[1m$@\033[0m...\033[0m\r"
ONESTEP_STATUS = printf "\033[K\033[0mBuilding executable \033[1m$@\033[0m...\033[0m\r"
COMPILE_OK = printf "\033[K\033[0;32mBuilt object \033[1;32m$@\033[0;32m \033[0m\n"
ONESTEP_OK = printf "\033[K\033[0;32mBuilt executable \033[1;32m$@\033[0;32m \033[0m\n"
COMPILE_FAILED = printf "\033[K\033[0;31mFailed building \033[1;31m$@\033[0;31m from\033[0m \033[1;31m$<\033[0;31m!\033[0m\n"; exit 1
ARCHIVE_STATUS = printf "\033[K\033[0mCreating library archive \033[1m$@\033[0m...\033[0m\r"
ARCHIVE_OK = printf "\033[K\033[0;32mCreated library archive \033[1;32m$@\033[0;32m \033[0m\n"
ARCHIVE_FAILED = printf "\033[K\033[0;31mFailed creating library archive \033[1;31m$@\033[0;31m from\033[0m \033[1;31m$<\033[0;31m!\033[0m\n"; exit 1
LINK_STATUS = printf "\033[K\033[0;0mLinking executable \033[1m$@\033[0;0m...\033[0m\r"
LINK_OK = printf "\033[K\033[0;32mLinked executable \033[1;32m$@\033[0;32m \033[0m\n"
LINK_FAILED = printf "\033[K\033[0;31mFailed linking executable \033[1;31m$@\033[0;31m!\033[0m\n"; exit 1
else
BUILD_STARTED = 
BUILD_ECHOFLAGS=
BUILD_FINISHED = 
COMPILE_STATUS = 
ONESTEP_STATUS = 
COMPILE_OK = true
ONESTEP_OK = true
COMPILE_FAILED = false; exit 1
ARCHIVE_STATUS = 
ARCHIVE_OK = true
ARCHIVE_FAILED = false; exit 1
LINK_STATUS = 
LINK_OK = true
LINK_FAILED = false; exit 1
endif