diff -Naur gts-0.7.6.orig/src/Makefile.am gts-0.7.6/src/Makefile.am
--- gts-0.7.6.orig/src/Makefile.am	2018-06-15 07:53:09.209430583 -0400
+++ gts-0.7.6/src/Makefile.am	2018-06-15 07:57:00.839780556 -0400
@@ -13,7 +13,7 @@
 lib_LTLIBRARIES = libgts.la

 libgts_la_LDFLAGS = -version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE)\
-	-release $(LT_RELEASE) -export-dynamic
+	-release $(LT_RELEASE) -export-dynamic -no-undefined

 libgts_la_DEPENDENCIES = \
 	predicates_init.h