--- Makefile.in.orig	Fri Sep 15 08:52:50 2006
+++ Makefile.in	Thu Oct 12 18:14:59 2006
@@ -27,6 +27,10 @@
 ifeq ($(OPT_DISABLE_MCS51), 0)
 SDCC_ASLINK     += as/mcs51 as/link/mcs51
 SDCC_MISC	+= debugger/mcs51
+else
+ifeq ($(OPT_DISABLE_DS390), 0)
+SDCC_ASLINK     += as/mcs51 as/link/mcs51
+endif
 endif
 
 ifeq ($(OPT_DISABLE_Z80), 0)