SHELL = /bin/sh
OS := $(shell uname)

## We don't care about architectural distinguishers in the OS
## such as IRIX64, IRIX32, etc. so we truncate IRIX?? to IRIX
ifeq ($(findstring IRIX,$(OS)),IRIX)
OS := IRIX
endif

## Make CYGWIN_XXXX CYGWIN so it's "Windows cross platform" :)
ifeq ($(findstring CYGWIN,$(OS)),CYGWIN)
OS := CYGWIN
endif

# TOPDIR needs to be redefined for every Makefile
TOPDIR     ?= ../
THISDIR    = .
MAKEDEPEND = ignore

INC        = -I$(TOPDIR)/include
DEF        = 

CXXFLAGS   = $(ARCHARGS) $(DOF) $(DEF) $(INC)
LDFLAGS    = $(ARCHARGS) $(DOF) $(LINKARGS) -L$(TOPDIR)/lib 
OBJS       = $(C++FILES:.cpp=.o) \
	     $(CXXFILES:.cpp=.o) \
	     $(CFILES:.c=.o) \

DOF        = $(OPTF)
DEBUGDIR   = $(OS)$(ARCH).Debug
OPTDIR     = $(OS)$(ARCH).Opt
BININST    = bin
LIBINST    = lib
PLUGININST = lib/osgPlugins

INST_SYS_PREFIX    = /usr/local
INST_LIBS          = $(INST_SYS_PREFIX)/lib$(ARCH)
INST_PLUGINS       = $(INST_SYS_PREFIX)/lib$(ARCH)/osgPlugins
INST_INCLUDE       = $(INST_SYS_PREFIX)/include
INST_SHARE_PREFIX  = /usr/share
INST_DEMOS         = $(INST_SHARE_PREFIX)/OpenSceneGraph/bin
INST_SRC           = $(INST_SHARE_PREFIX)/OpenSceneGraph/src
INST_DOC           = $(INST_SHARE_PREFIX)/OpenSceneGraph/doc
INST_DATA          = $(INST_SHARE_PREFIX)/OpenSceneGraph/data
INST_DEMO_SRC      = $(INST_SRC)/demos

LINK               = ln -sf
INSTBINCMD         = install -m 755
INSTDEVCMD         = install -m 644
INSTLINKBINCMD     = $(LINK)
INSTLINKDEVCMD     = $(LINK)

LIB_PREFIX         = lib
LIB_EXT        = so
PLUGIN_PREFIX  = osgdb_
PLUGIN_EXT     = so

MAKEDIST       = echo "   === Distribution build is not implemented yet for $(OS)"; printf "\n"
INSTLOGFILE    = /tmp/.osg_inst_log

RECURSIVE_TARGETS = \
	  opt\
	  debug\
	  clean\
	  cleandepend\
	  cleandependopt\
	  cleandependdbg\
	  cleandbg\
	  cleanopt\
	  cleantarget\
	  cleantargetopt\
	  cleantargetdbg\
	  clobber\
	  clobberdbg\
	  clobberopt\
	  beautify\
	  docs\
	  depend\

#### SUN OS Specific definitions
ifeq ($(OS),SunOS)

  C++               = CC
  DEPARG            = -xM1
  INC               += 
  DEF               += -features=extensions 
  OPTF              = -xO4
  DBGF              = -g 
  SHARED            = -G
ifeq ($(ARCH),64)
    ARCHARGS          = -xarch=v9
else
    ARCHARGS          = 
endif
  LINKARGS          =  
  DYNAMICLIBRARYLIB = -ldl
  OSG_LIBS          = -losgGLUT -losgDB -losgUtil -losg 
  FREETYPE_LIB      = -L/usr/local/lib -lfreetype
  GLUT_LIB          = -lglut
  GL_LIBS           = -lGLU -lGL 
  X_LIBS            = -lXext -lXmu -lXi -lX11 
  SOCKET_LIBS       = -lsocket -lnsl
  OTHER_LIBS        = -lCstd
  TIFF_LIB	    = -ltiff

  INSTBINCMD        = cp
  INSTDEVCMD        = cp

  INST_SYS_PREFIX   = /opt/OpenSceneGraph
  INST_SHARE_PREFIX = /opt

  MAKEDIST          = $(TOPDIR)/Make/makepkg
endif

#### IRIX Specific definitions
ifeq ($(OS),IRIX)

  C++               = CC
  DEPFLAGS          = -M
  INC               +=  -I${TOPDIR}/include
  DEF               += -LANG:std -OPT:Olimit=0 \
	 	       -DEBUG:woff=1682 -DEBUG:woff=3303\
		       -MDupdate $(MAKEDEPEND)
  OPTF              = -O2 
  DBGF              = -g
  SHARED            = -shared
  ARCH              = 32
ifeq ($(ARCH),64)
    ARCHARGS          = -64
else
    ARCHARGS          = -n32
endif
  LINKARGS          = -L${TOPDIR}/lib -LANG:std -OPT:Olimit=0 
  DYNAMICLIBRARYLIB = -ldl
  OSG_LIBS          = -losgGLUT -losgDB -losgUtil -losg 
  FREETYPE_LIB      = -L/usr/freeware/lib32 -lfreetype
  GLUT_LIB          = -lglut
  GL_LIBS           = -lGLU -lGL 
  X_LIBS            = -lXext -lXi -lXmu -lX11
  PF_XTRA_LIBS      = -L/usr/lib32/libpfdb   -rpath /usr/lib32/libpfdb \
                      -lpf3ds -lpfdem -lpfdted -lpfdwb -lpfdxf -lpfevt \
                      -lpfflt -lpfgds -lpfgfo -lpfim -lpflsa -lpflsb \
                      -lpfnff -lpfobj -lpfpegg -lpfpfb -lpfphd -lpfpts \
                      -lpfrot -lpfscale -lpfsgf -lpfsgo -lpfsphere -lpfsv \
                      -lpftri -lpfunc -lpfvct -lpfdu -lpfutil -lpf -limage
  SOCKET_LIBS       = 
  OTHER_LIBS        = -lm
  PNG_LIBS          = -lpng
  JPEG_LIBS         = -ljpeg
  TIFF_LIB          = -ltiff
  GIF_LIBS          = -lungif

endif

#### Linux specific definitions

ifeq ($(OS),Linux)

ifeq (x$(CXX),x)
  C++               = g++
else
  C++               = $(CXX)
endif
  DEPARG            = -M
  INC               += 
  DEF               += -W -Wall
  OPTF              = -O2 
  DBGF              = "-g -DOSG_USE_MEMORY_MANAGER"
  SHARED            = -shared
  ARCHARGS          = 
  LINKARGS          = -L/usr/X11R6/lib
  LIBS              = -lstdc++
  DYNAMICLIBRARYLIB = -ldl
  OSG_LIBS          = -losgGLUT -losgDB -losgUtil -losg 
  FREETYPE_LIB      = -lfreetype
  GLUT_LIB          = -lglut
  GL_LIBS           = -lGLU -lGL 
  X_LIBS            = -lXi -lXmu -lX11
  PF_XTRA_LIBS      =
  SOCKET_LIBS       = 
  OTHER_LIBS        = 
  PNG_LIBS          = -lpng
  JPEG_LIBS         = -ljpeg
  TIFF_LIB          = -ltiff
  GIF_LIBS          = -lgif

  MAKEDIST          = $(TOPDIR)/Make/makerpms
endif

#### FreeBSD specific definitions
ifeq ($(OS),FreeBSD)
  C++               = g++
  DEPARG            = -MM
  INC               +=  -I/usr/local/include -I/usr/X11R6/include
  DEF               += -W -Wall
  OPTF              = -O2 
  DBGF              = -g
  SHARED            = -shared
  ARCHARGS          = 
  LINKARGS          = -L/usr/X11R6/lib -L/usr/local/lib -rpath /usr/local/lib
  DYNAMICLIBRARYLIB = 
  OSG_LIBS          = -losgGLUT -losgDB -losgUtil -losg 
  FREETYPE_LIB      = -lfreetype
  GLUT_LIB          = -lglut
  GL_LIBS           = -lGLU -lGL 
  X_LIBS            = -lXmu -lX11
  SOCKET_LIBS       = 
  OTHER_LIBS        = 

  INST_SYS_PREFIX   = /opt/X11R6
  INST_SHARE_PREFIX = /usr/share/OpenSceneGraph

endif

#### MacOS X specific definitions
ifeq ($(OS),Darwin)
  C++               = cc
  INC               +=  -I/usr/include -I/sw/include
  DEF               += -Wall -D__DARWIN_OSX__
  OPTF              = -O2
  DBGF              = -g
  DEPARG            = -M $(DEF)
  SHARED            = -shared
  ARCHARGS          = 
  LINKARGS          = -L/usr/lib -L/sw/lib 
  DYNAMICLIBRARYLIB = 
  OSG_LIBS          = -losgGLUT -losgDB -losgUtil -losg 
  FREETYPE_LIB      = -lfreetype
  GLUT_LIB          = -framework GLUT
  CARBON_LIB        = -framework Carbon
  GL_LIBS           = -framework OpenGL $(CARBON_LIB)
  X_LIBS            = 
  SOCKET_LIBS       = 
  OTHER_LIBS        = -lm -ldl -lstdc++ -lobjc
  LIB_EXT            = dylib
  QUICKTIME_LIB	    = -framework QuickTime
  TIFF_LIB	    = -ltiff
  SRC_DIRS          = osg osgUtil osgDB osgGLUT osgPlugins Demos
  PLUGIN_DIRS       = osg rgb lib3ds flt obj lwo txp bmp pic tga osgtgz tgz zip
  DEMOS_DIRS        = hangglide osgbillboard osgcluster osgconv osgcopy osgcube osgimpostor\
                       osgreflect osgscribe osgstereoimage osgtexture osgviews osgversion sgv
endif

#### Cygwin/Mingw specific definitions
ifeq ($(OS),CYGWIN)
  C++               = c++
  DEPARG            = -M
  INC               += 
  DEF               += -DWIN32 -W -Wall
  OPTF              = -O2 
  DBGF              = -g
  SHARED            = -shared\
		      -Wl,--export-all-symbols  \
		      -Wl,--output-def,lib$(TARGET_BASENAME).def \
		      -Wl,--out-implib,$(TOPDIR)/lib/lib$(TARGET_BASENAME).dll.a \

  ARCHARGS          = 
  LINKARGS          = -W -Wall
  DYNAMICLIBRARYLIB =

  OSG_LIBS          = -losgGLUT -losgDB -losgUtil -losg 
  GL_LIBS           = -lglu32 -lopengl32
  GLUT_LIB          = -lglut32 $(GL_LIBS)
  X_LIBS            = -lgdi32 -luser32
  OSGDB_LIBS        = -losgdb_3ds \
  		      -losgdb_bmp \
		      -losgdb_dw \
		      -losgdb_flt \
		      -losgdb_jpg \
		      -losgdb_lwo \
		      -losgdb_obj \
		      -losgdb_osg \
		      -losgdb_osgtgz \
		      -losgdb_pic \
		      -losgdb_png \
		      -losgdb_rgb \
		      -losgdb_tga \
		      -losgdb_tgz \
		      -losgdb_tiff \
		      -losgdb_zip
  SOCKET_LIBS       = 
  OTHER_LIBS        = $(GL_LIBS)
  PNG_LIBS          = -lpng -lz
  JPEG_LIBS         = -ljpeg
  GIF_LIBS          = -lungif
  TIFF_LIB          = -ltiff -lz -ljpeg
  FREETYPE_LIB      = -lfreetype2


  LIB_PREFIX        = cyg
  LIB_EXT           = dll
  PLUGIN_EXT        = dll

  LINK              = cp -f

  INST_SYS_PREFIX   = /usr/local/OpenSceneGraph
  INST_LIBS         = $(INST_SYS_PREFIX)/bin
  INST_PLUGINS      = $(INST_SYS_PREFIX)/bin
  INST_INCLUDE      = $(INST_SYS_PREFIX)/include
  INST_SHARE_PREFIX = /usr/local/OpenSceneGraph
  INST_DEMOS        = $(INST_SHARE_PREFIX)/bin
  INST_DEMO_SRC     = $(INST_SHARE_PREFIX)/src/demos
  INST_DOC          = $(INST_SHARE_PREFIX)/doc
  INST_DATA         = $(INST_SHARE_PREFIX)/data

endif


VPATH=..