+MOUS = /usr/lib/cc65/mou/$(SYS)*.mou
+TGI = /usr/lib/cc65/tgi/$(SYS)*.tgi
+ifneq "$(wildcard /usr/local/lib/cc65)" ""
+MOUS = /usr/local/lib/cc65/mou/$(SYS)*.mou
+TGI = /usr/local/lib/cc65/tgi/$(SYS)*.tgi
+endif
+ifdef CC65_HOME
+MOUS = $(CC65_HOME)/mou/$(SYS)*.mou
+TGI = $(CC65_HOME)/tgi/$(SYS)*.tgi
+endif
+CLIB = --lib $(SYS).lib