iconv.so: undefined symbol: luaL_setfuncs

whs860603

centos
1.openresty

yum install openresty
yum install openresty-resty
yum install openresty-doc
2.lua 5.2
3.luaiconv

wget https://github.com/do^Cloads/ittner/lua-iconv/lua-iconv-7.tar.gz
tar -xvf lua-iconv-7.tar.gz
cd lua-iconv-7
gcc -O2 -fPIC -I/usr/include/lua5.1 -c luaiconv.c -o luaiconv.o -I/usr/include
gcc -shared -o iconv.so -L/usr/local/lib luaiconv.o -L/usr/lib
cp iconv.so /my-pet-project/third-party/

4 nginx.conf
    lua_package_cpath 'third-party/?.so;;';
5.	
    local iconv = require("iconv")  
    local togbk = iconv.new("gbk", "utf-8")  
    local str, err = togbk:iconv(res.body)  
    ngx.say(str)  
6 error 
2016/09/20 12:48:03 [error] 88741#88741: *103 lua entry thread aborted: runtime error: error loading module 'iconv' from file 'third-party/iconv.so':
        third-party/iconv.so: undefined symbol: luaL_setfuncs
stack traceback:

spacewanderlzx

luaL_setfuncs是lua 5.2才有的，openresty用的luajit支持的是lua 5.1.建议把系统的lua5.2卸掉，改安装lua5.1，不然两种不同版本的lua间切换会是件很头疼的事。

在 2016年9月20日星期二 UTC+8下午1:02:28，王海生写道：

centos
1.openresty
yum install openresty
yum install openresty-resty
yum install openresty-doc
2.lua 5.2
3.luaiconv
wget https://github.com/do^Cloads/ittner/lua-iconv/lua-iconv-7.tar.gz
tar -xvf lua-iconv-7.tar.gz
cd lua-iconv-7
gcc -O2 -fPIC -I/usr/include/lua5.1 -c luaiconv.c -o luaiconv.o -I/usr/include
gcc -shared -o iconv.so -L/usr/local/lib luaiconv.o -L/usr/lib
cp iconv.so  /my-pet-project/third-party/
4 nginx.conf
    lua_package_cpath 'third-party/?.so;;';
5.	
    local iconv = require("iconv")  
    local togbk = iconv.new("gbk", "utf-8")  
    local str, err = togbk:iconv(res.body)  
    ngx.say(str)  
6 error 
2016/09/20 12:48:03 [error] 88741#88741: *103 lua entry thread aborted: runtime error: error loading module 'iconv' from file 'third-party/iconv.so':
        third-party/iconv.so: undefined symbol: luaL_setfuncs
stack traceback: