diff --git a/pub/configure.ac b/pub/configure.ac
index 84fee4c57c9d400de1282d6b0f07506103d7992e..de078315cbdb4d69fc70646657fb1926760ed24e 100644
--- a/pub/configure.ac
+++ b/pub/configure.ac
@@ -19,6 +19,7 @@ AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 ##  Select compiler and related tools                                        ##
 ###############################################################################
 
+LT_INIT
 AC_PROG_LIBTOOL
 AC_PROG_CXX
 AC_PROG_LEX   # LEX,LEXLIB = "flex","-lfl" or "lex","-ll"