--- configure	2016-03-31 18:07:02.238114067 -0400
+++ configure	2016-03-31 18:09:16.168114067 -0400
@@ -11511,7 +11511,7 @@
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lica  $LIBS"
+LIBS="-lica -lpthread $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */