--- kopete-17.08.3/protocols/jabber/libjingle/CMakeLists.txt.rig	2017-11-17 22:55:06.074779462 +0100
+++ kopete-17.08.3/protocols/jabber/libjingle/CMakeLists.txt	2017-11-17 22:50:58.749685596 +0100
@@ -301,7 +301,7 @@
 
 add_executable ( call ${call_SRCS} )
 set_target_properties ( call PROPERTIES OUTPUT_NAME libjingle-call )
-target_link_libraries ( call ${call_LIBS} )
+target_link_libraries ( call ${call_LIBS} -lpthread )
 
 ########### install files ###############