+ifeq ($(TARGET),sdl-static) # compiling for SDL target (static)
+SYS_CFLAGS = -DTARGET_SDL $(shell sdl-config --cflags)
+SDL_LIBS = -lSDL_image -lSDL_mixer -lSDL_net -lsmpeg
+SYS_LDFLAGS = $(SDL_LIBS) $(shell sdl-config --static-libs)
+endif
+
+ifeq ($(TARGET),allegro) # compiling for Allegro target