+libgl_mingw = -lopengl32 -lglu32 -lglew32
+#libgl_mingw = -lglu32 -Wl,-Bstatic -lglew32 -Wl,-Bdynamic -lopengl32
+
+libal_Linux = -lopenal
+libal_Darwin = -framework OpenAL
+libal_mingw = -lopenal
+
+ifeq ($(sys), mingw)
+ obj = $(src:.cc=.w32.o) $(csrc:.c=.w32.o)
+ dep = $(obj:.o=.d)
+
+ bin = demo.exe
+ LDFLAGS += -lmingw32 -lSDL2main -lSDL2 -lwinmm -mwindows
+ #CFLAGS += -DGLEW_STATIC
+ #CXXFLAGS += -DGLEW_STATIC
+endif