+EXTRA_LDFLAGS = -lnsl -lsocket -R$(XLIB_PATH)
+PLATFORM = unix
+endif
+
+ifeq ($(PLATFORM),unix)
+PROFILING_FLAGS = -pg
+endif
+
+ifeq ($(PLATFORM),cross-msdos)
+PROGBASE = rocks
+PROGNAME = ../$(PROGBASE).exe
+TARGET = allegro
+endif
+
+ifeq ($(PLATFORM),cross-win32)
+PROGNAME = ../$(PROGBASE).exe
+TARGET = sdl
+endif
+
+ifeq ($(TARGET),x11)
+SYS_CFLAGS = -DTARGET_X11 $(X11_INCL)
+SYS_LDFLAGS = $(X11_LIBS) -lX11