lib: move compat links from targetdirs to proper makefiles

@@ -36,10 +36,10 @@
 
 .KEEP_STATE:
 
 all:            $(LIBS)
 
-install:        all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT)
+install:        all $(ROOTLIBS) $(ROOTLINKS) $(ROOTLINT) $(ROOTCOMPATLINKS)
 
 lint:           lintcheck
 
 include         ../Makefile.targ