-ifeq ($(TARGET),x11)
-SYS_CFLAGS = -DTARGET_X11 $(X11_INCL)
-# SYS_LDFLAGS = $(X11_LIBS) -lX11
-SYS_LDFLAGS = $(XLIB_PATH)/libX11.a
+# -----------------------------------------------------------------------------
+# configuring target
+# -----------------------------------------------------------------------------
+
+ifeq ($(TARGET),sdl) # compiling for SDL target
+SYS_CFLAGS = -DTARGET_SDL $(shell sdl-config --cflags)
+SDL_LIBS = -lSDL_image -lSDL_mixer -lSDL_net -lsmpeg
+SYS_LDFLAGS = $(SDL_LIBS) $(shell sdl-config --libs)