我的第一个Lua程序[转]

标签：lua程序的编译

原创作品，允许转载，转载时请务必以超链接形式标明文章 原始出处 、作者信息和本声明。否则将追究法律责任。http://cynthia.blog.51cto.com/839408/850565

我的第一个Lua程序

辛苦的总算在ubutun中搭建完Lua的开发环境，测试一下Lua的环境

1、测试lua是否安装成功，直接运行lua就能进入编译模式

tao@tao:~/lua-5.2.0$ lua 
Lua 5.2.0    Copyright (C) 1994-2011 Lua.org, PUC-Rio 
> print("Hello World!")    
Hello World! 
>

按ctrl+D退出

 

2、编译lua文件

tao@tao:~/lua-5.2.0$ vi test.lua

在test.lua中输入以下代码后保存

print("-----------------------------");    
print("Hello world"); 
print("-----------------------------");

在命令行模式下输入以下命令

tao@tao:~/lua-5.2.0$ lua test.lua 
----------------------------- 
Hello world 
-----------------------------

 

3、在C文件中嵌入lua代码

tao@tao:~/lua-5.2.0$ vi a.c

在a.c文件中输入以下代码：

#include <stdio.h> 
#include <lua.h> 
#include <lauxlib.h> 
#include <lualib.h> 
 
int main(int argc, char *argv[]) 
{ 
                char line[BUFSIZ]; 
                lua_State *L = luaL_newstate(); 
                luaL_openlibs(L); 
                //while (fgets(line, sizeof(line), stdin) != 0) printf("%s\n",line); 
  luaL_dofile(L, "test.lua"); 
                lua_close(L); 
                return 0; 
}

在命令行模式下输入以下命令：

tao@tao:~/lua-5.2.0$ gcc -o a a.c -I/usr/local/include/ -L/usr/local/lib/ -llua -lm -ldl 
tao@tao:~/lua-5.2.0$ ./a 
----------------------------- 
Hello world 
-----------------------------

 

编译C文件时要说明的两个问题

1、因为我安装的lua版本是lua-5.2，因为lua-5.2不认识lua_open函数，所以lua_open函数应该由luaL_newstate函数来代替

2、编译选项这里我出现了很多的错误，一会说是lua_open函数不认识，以一会又说pow函数不认识，我在网上找了不少的编译方法，都不见效

（1）方法一，不成功。使用lua_open函数，编译情况如下

tao@tao:~/lua-5.2.0$ gcc -I/usr/local/include/ -L/usr/local/lib/ -llua a.c 
a.c: 在函数‘main’中: 
a.c:9:24: 警告： 初始化时将整数赋给指针，未作类型转换 [默认启用] 
/tmp/cc5nUKNq.o: In function `main': 
a.c:(.text+0x23): undefined reference to `lua_open' 
a.c:(.text+0x33): undefined reference to `luaL_openlibs' 
a.c:(.text+0x6e): undefined reference to `lua_close'

 

（2）方法二，不成功。使用lua_open函数，编译情况如下：

tao@tao:~/lua-5.2.0$ gcc -I/usr/local/include/ -L/usr/local/lib/ a.c /usr/local/lib/liblua.a 
a.c: 在函数‘main’中: 
a.c:9:24: 警告： 初始化时将整数赋给指针，未作类型转换 [默认启用] 
/tmp/ccLLtNhW.o: In function `main': 
a.c:(.text+0x23): undefined reference to `lua_open' 
/usr/local/lib/liblua.a(lvm.o): In function `luaV_execute': 
lvm.c:(.text+0x16d8): undefined reference to `pow' 
/usr/local/lib/liblua.a(lobject.o): In function `luaO_arith': 
lobject.c:(.text+0x120): undefined reference to `pow' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_tan': 
lmathlib.c:(.text+0x16c): undefined reference to `tan' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_tanh': 
lmathlib.c:(.text+0x1ac): undefined reference to `tanh' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_sqrt': 
lmathlib.c:(.text+0x20e): undefined reference to `sqrt' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_sin': 
lmathlib.c:(.text+0x23c): undefined reference to `sin' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_sinh': 
lmathlib.c:(.text+0x27c): undefined reference to `sinh' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_pow': 
lmathlib.c:(.text+0x5d8): undefined reference to `pow' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_log': 
lmathlib.c:(.text+0x6ba): undefined reference to `log' 
lmathlib.c:(.text+0x6ca): undefined reference to `log' 
lmathlib.c:(.text+0x6ed): undefined reference to `log10' 
lmathlib.c:(.text+0x700): undefined reference to `log' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_log10': 
lmathlib.c:(.text+0x72c): undefined reference to `log10' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_fmod': 
lmathlib.c:(.text+0x865): undefined reference to `fmod' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_exp': 
lmathlib.c:(.text+0x88c): undefined reference to `exp' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_cos': 
lmathlib.c:(.text+0x8cc): undefined reference to `cos' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_cosh': 
lmathlib.c:(.text+0x90c): undefined reference to `cosh' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_atan': 
lmathlib.c:(.text+0x94c): undefined reference to `atan' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_atan2': 
lmathlib.c:(.text+0x9a8): undefined reference to `atan2' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_asin': 
lmathlib.c:(.text+0x9ec): undefined reference to `asin' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_acos': 
lmathlib.c:(.text+0xa2c): undefined reference to `acos' 
/usr/local/lib/liblua.a(loadlib.o): In function `ll_loadfunc': 
loadlib.c:(.text+0x8e9): undefined reference to `dlsym' 
loadlib.c:(.text+0x950): undefined reference to `dlopen' 
loadlib.c:(.text+0x981): undefined reference to `dlerror' 
loadlib.c:(.text+0x9a1): undefined reference to `dlerror' 
/usr/local/lib/liblua.a(loadlib.o): In function `gctm': 
loadlib.c:(.text+0xd1c): undefined reference to `dlclose'

 

（3）方法三，不成功。使用lua_open函数，与方法二相比多了-lm，编译情况如下

tao@tao:~/lua-5.2.0$ gcc -I/usr/local/include/ -L/usr/local/lib/ -lm -DLUA_USE_READLINE a.c /usr/local/lib/liblua.a 
a.c: 在函数‘main’中: 
a.c:9:24: 警告： 初始化时将整数赋给指针，未作类型转换 [默认启用] 
/tmp/ccqm5luQ.o: In function `main': 
a.c:(.text+0x23): undefined reference to `lua_open' 
/usr/local/lib/liblua.a(lvm.o): In function `luaV_execute': 
lvm.c:(.text+0x16d8): undefined reference to `pow' 
/usr/local/lib/liblua.a(lobject.o): In function `luaO_arith': 
lobject.c:(.text+0x120): undefined reference to `pow' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_tan': 
lmathlib.c:(.text+0x16c): undefined reference to `tan' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_tanh': 
lmathlib.c:(.text+0x1ac): undefined reference to `tanh' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_sqrt': 
lmathlib.c:(.text+0x20e): undefined reference to `sqrt' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_sin': 
lmathlib.c:(.text+0x23c): undefined reference to `sin' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_sinh': 
lmathlib.c:(.text+0x27c): undefined reference to `sinh' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_pow': 
lmathlib.c:(.text+0x5d8): undefined reference to `pow' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_log': 
lmathlib.c:(.text+0x6ba): undefined reference to `log' 
lmathlib.c:(.text+0x6ca): undefined reference to `log' 
lmathlib.c:(.text+0x6ed): undefined reference to `log10' 
lmathlib.c:(.text+0x700): undefined reference to `log' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_log10': 
lmathlib.c:(.text+0x72c): undefined reference to `log10' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_fmod': 
lmathlib.c:(.text+0x865): undefined reference to `fmod' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_exp': 
lmathlib.c:(.text+0x88c): undefined reference to `exp' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_cos': 
lmathlib.c:(.text+0x8cc): undefined reference to `cos' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_cosh': 
lmathlib.c:(.text+0x90c): undefined reference to `cosh' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_atan': 
lmathlib.c:(.text+0x94c): undefined reference to `atan' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_atan2': 
lmathlib.c:(.text+0x9a8): undefined reference to `atan2' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_asin': 
lmathlib.c:(.text+0x9ec): undefined reference to `asin' 
/usr/local/lib/liblua.a(lmathlib.o): In function `math_acos': 
lmathlib.c:(.text+0xa2c): undefined reference to `acos' 
/usr/local/lib/liblua.a(loadlib.o): In function `ll_loadfunc': 
loadlib.c:(.text+0x8e9): undefined reference to `dlsym' 
loadlib.c:(.text+0x950): undefined reference to `dlopen' 
loadlib.c:(.text+0x981): undefined reference to `dlerror' 
loadlib.c:(.text+0x9a1): undefined reference to `dlerror' 
/usr/local/lib/liblua.a(loadlib.o): In function `gctm': 
loadlib.c:(.text+0xd1c): undefined reference to `dlclose'

 

 （4）方法四，不成功，使用lua_open函数，与方法三相比增加了-ldl，编译情况如下：

tao@tao:~/lua-5.2.0$ gcc -o a a.c -I/usr/local/include/ -L/usr/local/lib/ -llua -lm -ldl 
a.c: 在函数‘main’中: 
a.c:9:24: 警告： 初始化时将整数赋给指针，未作类型转换 [默认启用] 
/tmp/cctbGHDQ.o: In function `main': 
a.c:(.text+0x23): undefined reference to `lua_open'

 

（5）方法五，成功，修改lua_open函数为luaL_newstate函数，再用同样的编译命令编译，成功

 

 

多查资料，多试验，相信自己一定可以学好Lua的，唉，领导给的任务，好好学习

本文出自 “豆豆熊的快乐IT人生” 博客，请务必保留此出处http://cynthia.blog.51cto.com/839408/850565