使用Lua链接动态lib.so时出错

时间:2014-07-31 04:47:42

标签: c++ linux gcc lua shared-libraries

问题背景:

  • 操作系统:Linux Ubuntu

  • 编译器:gcc

  • Launguage:C ++

  • 2个项目:

    • 项目1:使用Lua构建动态库; (libBattleCore.so)

    • 项目2:使用Project 1生成的libBattleCore.so构建控制台应用程序

问题描述

Project 2编译命令:

g++ -Wall -fexceptions -O2 -o bin/Release/BattleConsole  libBattleCore.h main.cpp -I/home/Downloads/lua-5.2.3/install/include/ -L. -lBattleCore

错误消息

./libBattleCore.so: undefined reference to `luaopen_table'
./libBattleCore.so: undefined reference to `lua_getfield'
./libBattleCore.so: undefined reference to `lua_isstring'
...
./libBattleCore.so: undefined reference to `lua_tolstring'
collect2: error: ld returned 1 exit status

问题是什么以及解决方案是什么?感谢

其他信息

Project 1构建命令:

g++ -O2 -fPIC -shared -o bin/Release/libBattleCore.so -I/home/Downloads/lua-5.2.3/install/include/ -L/home/Downloads/lua-5.2.3/install/lib/ -llua Basic_Battle/Arsenal.cpp Basic_Battle/BaseEntity.cpp  ...(lots of cpp files) 

ldd libBattleCore.so:

linux-vdso.so.1 =>  (0x00007ffff7ffe000)
libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f008f35a000)
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f008f054000)
libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f008ee3d000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f008ea77000)
/lib64/ld-linux-x86-64.so.2 (0x00007f00946a8000)

1 个答案:

答案 0 :(得分:0)

问题解决了......

仍然用lua ...

编译项目2

编译命令:

g++ -Wall -fexceptions -O2 -o bin/Release/BattleConsole  libBattleCore.h main.cpp -L. -lBattleCore -llua -ldl

动态lib(.so)应该复制到/ usr / lib / 然后ldd BattleCosnole将列出libBattleCore.so => / usr / ... not" not found"再次

我仍然想要一些其他方法来自定义.so

的路线

由于