--- avidemux_plugins/ADM_videoFilters6/avsfilter/CMakeLists.txt~	2013-05-09 19:10:35.000000000 +0800
+++ avidemux_plugins/ADM_videoFilters6/avsfilter/CMakeLists.txt	2013-08-25 06:28:27.341441721 +0800
@@ -5,6 +5,7 @@
 SET(ADM_vf_avsfilter_SRCS avsfilter.cpp avspipecomm.cpp cdebug.cpp strnew.cpp avsfilterparam_json.cpp)
 
 ADD_LIBRARY(ADM_vf_avsfilter SHARED ${ADM_vf_avsfilter_SRCS})
+TARGET_LINK_LIBRARIES(ADM_vf_avsfilter pthread)
 INCLUDE(vf_plugin)
 
 INIT_VIDEO_FILTER(ADM_vf_avsfilter)