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

# 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).Debug
OPTDIR     = $(OS).Opt
BININST    = bin
LIBINST    = lib
PLUGININST = lib/osgPlugins

INST_DEMOS    = /usr/share/OpenSceneGraph/bin
INST_LIBS     = /usr/share/OpenSceneGraph/lib
INST_PLUGINS  =  /usr/share/OpenSceneGraph/lib/osgPlugins
INST_INCLUDE  = /usr/share/OpenSceneGraph/include
INST_DEMO_SRC = /usr/share/OpenSceneGraph/src/demos
INST_DATA     = /usr/share/OpenSceneGraph/data

LINK          = ln -sf
INSTBIN       = install -m 755
INSTDEV       = install -m 644
INSTLINKBIN   = $(LINK)
INSTLINKDEV   = $(LINK)


ALL_TARGETS = \
	  opt\
	  debug\
	  clean\
	  cleandbg\
	  cleanopt\
	  clobber\
	  beautify\
	  docs\
	  depend\

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

  C++               = CC
  DEPARG            = -xM1
  INC               += 
  DEF               += -features=extensions 
  OPTF              = -xO2
  DBGF              = -g
  SHARED            = -G
  ARCHARGS          = 
  LINKARGS          =  
  DYNAMICLIBRARYLIB = -ldl
  OSG_LIBS          = -losgGLUT -losgDB -losgUtil -losg 
  FREETYPE_LIB      = -lfreetype
  GLUT_LIB          = -lglut
  GL_LIBS           = -lGLU -lGL 
  X_LIBS            = -lXext -lXmu -lXi -lX11 
  SOCKET_LIBS       = -lsocket -lnsl
  OTHER_LIBS        = -lCstd
  SO_EXT            = so
  PLUGIN_EXT        = so
  TIFF_LIB	    = -ltiff

endif

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

  C++               = CC
  DEPFLAGS          = -M
  INC               += 
  DEF               += -LANG:std -OPT:Olimit=0 \
	 	       -DEBUG:wof=1682 -DEBUG:woff=3303\
		       -MDupdate $(MAKEDEPEND)
  OPTF              = -O2 
  DBGF              = -g
  SHARED            = -shared
  ARCHARGS          = 
  LINKARGS          = -LANG:std -OPT:Olimit=0
  DYNAMICLIBRARYLIB = -ldl
  OSG_LIBS          = -losgGLUT -losgDB -losgUtil -losg 
  FREETYPE_LIB      = -lfreetype
  GLUT_LIB          = -lglut
  GL_LIBS           = -lGLU -lGL 
  X_LIBS            = -lXext -lXi -lXmu -lX11
  SOCKET_LIBS       = 
  OTHER_LIBS        = -lm
  SO_EXT            = so
  PLUGIN_EXT        = so

  INSTLINKBIN       = install -t -m 755
  INSTLINKDEV       = install -t -m 644

endif

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

#### Mac OSX specific definitions
ifeq ($(OS),MacOSX)
  C++               = g++
  DEPARG            = ??
  INC               +=  -I/usr/local/include -I/sw/include
  DEF               += -D__DARWIN_OSX__
  OPTF              = -O2 
  DBGF              = -g
  SHARED            = -shared
  ARCHARGS          = 
  LINKARGS          = -all_load  -L/usr/local/lib -L/usr/lib  
  DYNAMICLIBRARYLIB = 
  OSG_LIBS          = -losgGLUT -losgDB -losgUtil -losg 
  FREETYPE_LIB      = -lfreetype
  GLUT_LIB          = 
  GL_LIBS           = 
  X_LIBS            = 
  SOCKET_LIBS       = 
  OTHER_LIBS        = -lm -ldl -lstdc++ -lobjc
  SO_EXT            = dylib
  PLUGIN_EXT        = so
  FRAMEWORKS        =  -L/sw/lib \
  		 	-framework GLUT \
			-framework Carbon \
			-framework OpenGL

  LIBS              += $(FRAMEWORKS)
  QUICKTIME	    = -framework QuickTime
  TIFF_LIB	    = -ltiff

endif

#### Cygwin/Mingw specific definitions
ifeq ($(OS),CYGWIN_NT-5.0)
  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.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)
  SO_EXT            = dll
  PLUGIN_EXT        = dll
  LINK              = cp -f
endif


VPATH=..