mahmoodn wrote: >> VVc_demo$(OBJ_EXT) : a.cpp b.cpp c.cpp >> g++ -o $@ -c VVc_demo.cpp > >> (Usually you'd add VVc_demo.cpp itself to the dependency list as well.) > > Thanks but I forgot to say that there are some .h files too (it was my > fault). I add some thing like this: > > VVc_demo.moc: VVc_demo.cpp > > $(QT_MOC) -o VVc_demo.moc VVc_demo.cpp > > > > VVc_demo$(OBJ_EXT): VVc_demo.moc VVc_diagram_2.h Polygon_Voronoi_diagram_2.h > > g++ -o $@ -c VVc_demo.cpp > > > VVc_demo$(EXE_EXT): VVc_demo$(OBJ_EXT) > > $(CGAL_CXX) $(LIBPATH) $(EXE_OPT)VVc_demo VVc_demo$(OBJ_EXT) $(LDFLAGS) > > > but it says: > [mahmood@Milky-way VVc_diagram_2]$ make > make: *** No rule to make target `VVc_diagram_2.h', needed by `VVc_demo.o'. > Add the include file path -Iyourpath to that step,, just as you would do when compiling outside make. -I./ normally is there by default.