https://github.com/qdot/libnifalcon/issues/28
https://github.com/qdot/libnifalcon/commit/f54fba57d432fa3231619c711f5f80bf684c5173
--- examples/CMakeLists.txt.orig
+++ examples/CMakeLists.txt
@@ -6,6 +6,7 @@ SET(LIBNIFALCON_EXE_PO_LINK_LIBS
   ${libnifalcon_cli_base_LIBRARY}
   ${LIBNIFALCON_EXE_LINK_LIBS} 
   ${Boost_PROGRAM_OPTIONS_LIBRARY}
+  ${Boost_SYSTEM_LIBRARY}
   )
 
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