https://github.com/qdot/libnifalcon/pull/29
https://github.com/qdot/libnifalcon/commit/7e98c9f2bdf936d236260176921c865f8fd1b108
--- src/util/CMakeLists.txt.orig
+++ src/util/CMakeLists.txt
@@ -36,6 +36,11 @@
     ${Boost_THREAD_LIBRARY}
     )
 
+  # Boost thread requires system since 1.5x
+  IF(Boost_SYSTEM_FOUND)
+    LIST(APPEND CPP_LINK_LIBS "${Boost_SYSTEM_LIBRARY}")
+  ENDIF()
+
   SET(SRCS
 	"FalconDeviceBoostThread.cpp" 
 	"${LIBNIFALCON_INCLUDE_DIR}/falcon/util/FalconDeviceBoostThread.h"