lib: move compat links from targetdirs to proper makefiles

@@ -15,8 +15,8 @@
 
 TARGET_ARCH=    sparc
 
 include ../Makefile.com
 
-install: all $(ROOTLIBS)
+install: all $(ROOTLIBS) $(ROOTCOMPATLINKS)
 
 include $(SRC)/lib/Makefile.targ