lib: move compat links from targetdirs to proper makefiles

@@ -40,10 +40,10 @@
 
 .KEEP_STATE:
 
 all:            $(LIBS)
 
-install:        all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64)
+install:        all $(ROOTLIBS64) $(ROOTLINKS64) $(ROOTLINT64) $(ROOTCOMPATLINKS64)
 
 lint:           lintcheck
 
 include         ../Makefile.targ