[Freeswitch-users] I am trying to use ESL with LUA - undefined symbol: _ZN8ESLeventC1EPKcS1_

I am trying to use ESL with LUA: /libs/esl/lua# ./single_command.lua help /usr/local/bin/lua: error loading module 'ESL' from file '/usr/lib/lua/5.1/ESL.so': /usr/lib/lua/5.1/ESL.so: undefined symbol: _ZN8ESLeventC1EPKcS1_ stack traceback: [C]: ? [C]: in function 'require' ./single_command.lua:2: in main chunk [C]: ? What's wrong?