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如何用Lua构建C程序_C_Lua - Fatal编程技术网

如何用Lua构建C程序

如何用Lua构建C程序,c,lua,C,Lua,测试c: #include "lua.h" #include "lauxlib.h" #include "lualib.h" int main(){ lua_State *L = luaL_newState(); /* opens Lua */ luaL_openlibs(L); /* opens the standard libraries */ luaL_dofile(L,"test.lua"); /* runs Lua scrip */ lua_close(L

测试c:

#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"

int main(){

  lua_State *L = luaL_newState();  /* opens Lua */
  luaL_openlibs(L);   /* opens the standard libraries */

  luaL_dofile(L,"test.lua"); /* runs Lua scrip */

  lua_close(L);
  return 0;

}
建造:

gcc -o test test.c -I/usr/local/Cellar/lua/5.1.5/include
然后我得到了一个错误:

test.c:7:18: warning: implicit declaration of function 'luaL_newState' is
      invalid in C99 [-Wimplicit-function-declaration]
  lua_State *L = luaL_newState();  /* opens Lua */
                 ^
test.c:7:14: warning: incompatible integer to pointer conversion initializing
      'lua_State *' (aka 'struct lua_State *') with an expression of type 'int'
      [-Wint-conversion]
  lua_State *L = luaL_newState();  /* opens Lua */
             ^   ~~~~~~~~~~~~~~~
2 warnings generated.
Undefined symbols for architecture x86_64:
  "_luaL_loadfile", referenced from:
      _main in test-dxPwkn.o
  "_luaL_newState", referenced from:
      _main in test-dxPwkn.o
  "_luaL_openlibs", referenced from:
      _main in test-dxPwkn.o
  "_lua_close", referenced from:
      _main in test-dxPwkn.o
  "_lua_pcall", referenced from:
      _main in test-dxPwkn.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
我通过自制软件安装了Lua:

ls /usr/local/Cellar/lua/5.1.5/include
lauxlib.h lua.h     lua.hpp   luaconf.h lualib.h

有人知道如何解决这个错误吗?谢谢。

制作时,您应该在/usr/local/lib中找到lua的.so文件,找到它,并使用-L添加库路径,使用-L链接库


最后,在make步骤之后,如果程序无法运行,您还应该使用ln-s添加与/usr/lib中的.so相关的符号链接。

它是
luaL\u newstate
,而不是
luaL\u newstate


在命令行的末尾还需要
-llua-lm

在构建示例时,您需要添加导入库或
lua*.so
共享对象。未定义的引用来自链接器,不知道那些lua C函数在哪里。我不确定这将在您的linux设置中的什么位置。也许可以尝试使用
哪个lua51.so
或查看您的bin目录。同时将
-I
参数移动到
test.c
之前,这将修复警告。