diff --git a/make/custom/ods68302.cfg b/make/custom/ods68302.cfg
index b370681db1..88093e48d3 100644
--- a/make/custom/ods68302.cfg
+++ b/make/custom/ods68302.cfg
@@ -80,6 +80,14 @@ define make-exe
 	$(NM) -g -n $@ > $(basename $@).num
 	$(SIZE) $@
 endef
+define make-cxx-exe
+	$(LINK.cc) $(AM_CFLAGS) $(AM_CXXFLAGS) $(AM_LDFLAGS) \
+	    -Wl,-defsym -Wl,MC68302_BASE=$(MC68302_BASE) \
+	    -o $@ \
+	    $(LINK_OBJS) $(LINK_LIBS)
+	$(NM) -g -n $@ > $(basename $@).num
+	$(SIZE) $@
+endef
 endif
 # Miscellaneous additions go here
 
diff --git a/make/custom/rxgen960.cfg b/make/custom/rxgen960.cfg
index 59867642b8..b5eeaa7dc1 100644
--- a/make/custom/rxgen960.cfg
+++ b/make/custom/rxgen960.cfg
@@ -72,3 +72,4 @@ endif
 
 # Miscellaneous additions go here
 
+START_BASE=