-ifeq ($(PLATFORM),cross-win32)
-PROGNAME = ../rocksndiamonds.exe
-TARGET = sdl
+ifeq ($(PLATFORM),msdos) # native compiling to MS-DOS
+PROGBASE = rocks
+PROGNAME = ../$(PROGBASE).exe
+SYS_CFLAGS = -DTARGET_X11
+SYS_LDFLAGS = -s -lalleg
+RM = del
+endif
+
+
+# -----------------------------------------------------------------------------
+# configuring target
+# -----------------------------------------------------------------------------
+
+ifeq ($(TARGET),x11) # compiling for X11 target
+SYS_CFLAGS = -DTARGET_X11 $(X11_INCL)
+SYS_LDFLAGS = $(X11_LIBS)
+endif
+
+ifeq ($(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)