luasocket problems

[khz@...]

i'm having lot of problems installind luasocket some like it:

> require("socket")
/usr/local/share/lua/compat-5.1.lua:171: package `socket.core' not found
stack traceback:
        [C]: in function `error'
        /usr/local/share/lua/compat-5.1.lua:171: in function
</usr/local/share/lua/compat-5.1.lua:162>
        /usr/local/share/lua/compat-5.1.lua:190: in function `require'
        /usr/local/share/lua/socket.lua:13: in main chunk
        /usr/local/share/lua/compat-5.1.lua:190: in function `require'
        stdin:1: in main chunk
        [C]: ?
>

and my enviromment vars:

declare -x LUA_CPATH="/usr/local/share/lua/?/?.so"
declare -x LUA_INIT="@/usr/local/share/lua/compat-5.1.lua"
declare -x LUA_PATH="/usr/local/share/lua/?.lua"