--- Makefile.am.0	2009-03-20 10:13:53 -0400
+++ Makefile.am	2013-09-13 21:12:22 -0400
@@ -18,7 +18,7 @@
     $(bs2b_HEADERS)
 
 libbs2b_la_LDFLAGS = \
-	-lm -version-info 0:0:0
+	-lm -version-info 0:0:0 -no-undefined
 
 libbs2b_la_SOURCES = \
 	bs2b.c \