--- /dev/null
+commit 437259e96369ceeca0770b6ce7aa0c025cb5c79b
+Author: Peter Michael Green <plugwash@debian.org>
+Date: Thu Jan 10 14:17:59 2019 +0000
+
+ Use -pthread when linking shared libraries.
+
+diff --git a/Makefile b/Makefile
+index 9e43eab..0aa14fe 100644
+--- a/Makefile
++++ b/Makefile
+@@ -136,19 +136,19 @@ ifeq ($(DESTDIR),)
+ endif
+
+ $(LIB1): $(OBJ1)
+- $(SHLIB) -Wl,-soname,$(LIB1).$(SOVERSION) -o $(LIB1).$(SOVERSION) $(OBJ1)
++ $(SHLIB) -pthread -Wl,-soname,$(LIB1).$(SOVERSION) -o $(LIB1).$(SOVERSION) $(OBJ1)
+ ln -fs $(LIB1).$(SOVERSION) $(LIB1)
+ $(STRIPLIB) $(LIB1)
+ $(SIZE) $(LIB1)
+
+ $(LIB2): $(OBJ2)
+- $(SHLIB) -Wl,-soname,$(LIB2).$(SOVERSION) -o $(LIB2).$(SOVERSION) $(OBJ2)
++ $(SHLIB) -pthread -Wl,-soname,$(LIB2).$(SOVERSION) -o $(LIB2).$(SOVERSION) $(OBJ2)
+ ln -fs $(LIB2).$(SOVERSION) $(LIB2)
+ $(STRIPLIB) $(LIB2)
+ $(SIZE) $(LIB2)
+
+ $(LIB3): $(OBJ3)
+- $(SHLIB) -Wl,-soname,$(LIB3).$(SOVERSION) -o $(LIB3).$(SOVERSION) $(OBJ3)
++ $(SHLIB) -pthread -Wl,-soname,$(LIB3).$(SOVERSION) -o $(LIB3).$(SOVERSION) $(OBJ3)
+ ln -fs $(LIB3).$(SOVERSION) $(LIB3)
+ $(STRIPLIB) $(LIB3)
+ $(SIZE) $(LIB3)