SHELL = /usr/bin/sh

src = \
      cyl.cpp cyl_opengl.cpp \
      ellipsoid.cpp ellipsoid_opengl.cpp \
      gc.cpp geom.cpp gr.cpp \
      jpeg.cpp \
      light.cpp light_opengl.cpp line.cpp line_opengl.cpp  \
      gr_opengl.cpp \
      point.cpp point_opengl.cpp poly.cpp poly_opengl.cpp \
      scene.cpp  scene_opengl.cpp  \
      sphere.cpp sphere_opengl.cpp \
      vgeom.cpp  vgeom_opengl.cpp  \
      win.cpp win_glut.cpp
    
obj = $(src:.cpp=.o)  \


# define include dirs
#--------------------
glut_inc = -I/usr/include/GL//include
#glut_inc = -I/usr/include/w32api
#opengl_inc = -I/usr/include/w32api/
#opengl_inc = -I/usr/X11R6/include/  -I/usr/include/w32api/
#gr_inc = $(glut_inc) $(opengl_inc) 
gr_inc =  -I/usr/include/GL/include -I/usr/X11R6/include/
jpg_inc = ../jpg/include
inc = -I.  -I../../pm++/include \
           -I../include \
           -I../../common/include

hdr = ../include/pm/gr/

common_dir = ../../common/src/
common_objs = $(common_dir)/common.o $(common_dir)/mth.o

# define libs 
#------------
glut_lib = -L/lib -lglut32
opengl_lib = -lglu32 -lopengl32
x_lib = -L/usr/X11R6/lib  -lGL -lGlU -lXext -lX11
gr_libs = $(glut_lib) $(opengl_lib) $(x_lib)
jpg_lib = libjpeg.a

cpp_libs = /lib/gcc/i686-pc-cygwin/3.4.4/debug/libstdc++.a
libs = $(gr_libs) -lstdc++ -lComctl32 -lkernel32 -luser32 -lgdi32 -lm
libs = $(gr_libs) $(common_objs) $(cpp_libs) $(jpg_lib) \
       -lComctl32 -lkernel32 -luser32 -lgdi32 -lm

# special cywin flags for my pos computer
cwf = -DUSE_CYGWIN_SPECIAL_HEADERS

# use for debug: code crashes with -g -funroll-loops -march=pentium4 -mfpmath=sse
#copt = -g
#flags = $(inc) $(copt)  $(cwf)
jpeg = -DGR_USE_JPEG

# use for optimized execution 
copt = -O2 -pedantic
#flags = $(inc) $(cwf) $(jpeg) $(copt) -funroll-loops -march=pentium4 -mfpmath=sse
flags = $(inc) $(cwf) $(jpeg) $(copt) 

sw_lib = ../../lib
lib = $(sw_lib)/libgr++.dll 

$(lib): $(obj) 
	g++ -shared -o $(lib) $(obj) $(libs)

.cpp.o: 
	g++ $(flags) -c $<

cyl.o: cyl.cpp  $(hdr)/cyl.h 
	g++ $(flags) -c $<

cyl_opengl.o: cyl_opengl.cpp  
	g++ $(flags) $(gr_inc) -c $<

ellipsoid.o: ellipsoid.cpp  $(hdr)/ellipsoid.h 
	g++ $(flags) -c $<

ellipsoid_opengl.o: ellipsoid_opengl.cpp  
	g++ $(flags) $(gr_inc) -c $<

gc.o: gc.cpp  gc.h 
	g++ $(flags) -c $<

geom.o: geom.cpp  $(hdr)/geom.h 
	g++ $(flags) -c $<

gr.o: gr.cpp  $(hdr)/gr.h 
	g++ $(flags) -c $<

gr_opengl.o: gr_opengl.cpp  gr_opengl.h 
	g++ $(flags) $(gr_inc) -c $<

jpeg.o: jpeg.cpp  jpeg.h 
	g++ $(flags) -I$(jpg_inc) $(jpeg) -c $<

light.o: light.cpp  $(hdr)/light.h  light_prv.h
	g++ $(flags) -c $<

light_opengl.o: light_opengl.cpp  light_opengl.h 
	g++ $(flags) $(gr_inc) -c $<

line.o: line.cpp  $(hdr)/line.h  $(hdr)/geom.h
	g++ $(flags) -c $<

line_opengl.o: line_opengl.cpp  
	g++ $(flags) $(gr_inc) -c $<

point.o: point.cpp  $(hdr)/point.h  $(hdr)/geom.h
	g++ $(flags) -c $<

point_opengl.o: point_opengl.cpp  
	g++ $(flags) $(gr_inc) -c $<

poly.o: poly.cpp  $(hdr)/poly.h  $(hdr)/geom.h
	g++ $(flags) -c $<

poly_opengl.o: poly_opengl.cpp  
	g++ $(flags) $(gr_inc) -c $<

scene_opengl.o: scene_opengl.cpp  
	g++ $(flags) $(gr_inc) -c $<

scene.o: scene.cpp  $(hdr)/scene.h scene_prv.h
	g++ $(flags) -c $<

sphere.o: sphere.cpp  $(hdr)/sphere.h  $(hdr)/geom.h
	g++ $(flags) -c $<

sphere_opengl.o: sphere_opengl.cpp  
	g++ $(flags) $(gr_inc) -c $<

vgeom.o: vgeom.cpp  $(hdr)/vgeom.h 
	g++ $(flags) -c $<

vgeom_opengl.o: vgeom_opengl.cpp  
	g++ $(flags) $(gr_inc) -c $<

win.o: win.cpp  $(hdr)/win.h win_prv.h
	g++ $(flags) -c $<

win_glut.o: win_glut.cpp  win_glut.h 
	g++ $(flags) $(glut_inc) -c $<

clean:
	rm -f *.o;