Fix old makefiles

diff --git a/lib/Makefile.old b/lib/Makefile.old
index 4c3b0b9705eb5aa8179aa75e88478891e47f5744..aeec821fb9b983e34bf8bc8ec478fa96c553df6a 100644 (file)
--- a/lib/Makefile.old
+++ b/lib/Makefile.old
@@ -1,6 +1,6 @@
 SUBDIRS = cdt graph agraph cgraph gd pathplan agutil sfio vmalloc ast circogen \
     dotgen fdpgen sfdpgen neatogen pack twopigen common gvc ingraphs expr \
-    patchwork sparse
+    patchwork sparse rbtree
 
 all install clean :
        (for i in ${SUBDIRS}; do (cd $$i; make $@); done)