--- ../luxrender-luxrays-7459cd8a9583/samples/benchsimple/CMakeLists.txt.orig
+++ ../luxrender-luxrays-7459cd8a9583/samples/benchsimple/CMakeLists.txt
@@ -19,8 +19,10 @@
 #   LuxRays website: http://www.luxrender.net                             #
 ###########################################################################
 
+find_package(Threads)
+
 include_directories(${LuxRays_INCLUDE_DIR})
 link_directories (${LuxRays_LIB_DIR})
 
 add_executable(benchsimple benchsimple.cpp)
-target_link_libraries(benchsimple luxrays)
+target_link_libraries(benchsimple luxrays ${CMAKE_THREAD_LIBS_INIT})