diff -r 8d066154b66a -r 83a48cfd8553 src/lemon/Makefile.am
--- a/src/lemon/Makefile.am	Mon Feb 07 11:28:37 2005 +0000
+++ b/src/lemon/Makefile.am	Mon Feb 07 11:29:25 2005 +0000
@@ -35,7 +35,10 @@
 	extendable_graph_extender.h					\
 	clearable_graph_extender.h					\
 	erasable_graph_extender.h					\
-	undir_graph_extender.h
+	undir_graph_extender.h                                          \
+	graph_reader.h							\
+	graph_writer.h							\
+	map_utils.h
 
 noinst_HEADERS =							\
 	concept/graph.h							\