-ifeq ($(PLATFORM),solaris) # native compiling to Solaris
-EXTRA_LDFLAGS = -lnsl -lsocket -R$(XLIB_PATH)
-PLATFORM = unix
-endif
-
-ifeq ($(PLATFORM),macosx) # native compiling to Mac OS X
-EXTRA_LDFLAGS = -lstdc++
-PLATFORM = unix
-TARGET = sdl
-endif
-
-ifeq ($(PLATFORM),os2) # native compiling to OS/2
-RANLIB = echo
-PROGNAME = ../$(PROGBASE).exe
-EXTRA_CFLAGS = -Zbin-files -D__ST_MT_ERRNO__ -Zmtd -fomit-frame-pointer
-EXTRA_LDFLAGS = -lsocket
-PLATFORM = unix
-TARGET = x11
-endif
-
-ifeq ($(PLATFORM),unix) # native compiling to Unix (generic)