1diff --git a/Makefile.am b/Makefile.am
2index 45f216a..39c3c82 100644
3--- a/Makefile.am
4+++ b/Makefile.am
5@@ -3,6 +3,9 @@ ACLOCAL_AMFLAGS = -I m4
6 include_HEADERS = cudd/cudd.h
7 if DDDMP
8 include_HEADERS += dddmp/dddmp.h
9+include_HEADERS += util/util.h
10+include_HEADERS += config.h
11+include_HEADERS += mtr/mtr.h
12 endif
13 if OBJ
14 include_HEADERS += cplusplus/cuddObj.hh