Re: Problem calling c++ from Lua (MS-Windows version)
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- Subject: Re: Problem calling c++ from Lua (MS-Windows version)
- From: jseb <gmane2010@...>
- Date: 2011年2月21日 17:37:36 +0100
I did a try with Visual C++ (express edition, the one you get for free
on microsoft website)
Here is my compilation on command line:
set incpath=%vcinstalldir%\include
set libpath=%vcinstalldir%\lib
cl foo.cpp -c /I%incpath%\lua
link -dll foo.obj lua51.lib
And i get "foo.dll", of course.
When i try require "foo" in lua, i still get :
> require "foo"
error loading module 'foo' from file '.\foo.dll':
La procÚdure spécifiée est introuvable.
(same as my previous try with g++)
Here is the source-file.
Are there any windows user who could help me, and explain how to compile
it, whatever toolchain you use (Visual C, mingw ...).
Thank you!
I rewrite the source file, now it's very simple. It still works without
problems in Linux.
extern "C" {
#include <stdio.h>
#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>
static int lua_print(lua_State*);
__declspec(dllexport)
int luaopen_libfoo(lua_State*);
}
static int lua_print(lua_State *L)
{
printf ("called: lua_print\n");
return 0;
}
static const struct luaL_Reg foo_fx [] = {
{ "print", lua_print },
{ NULL, NULL } //dernier element obligatoire
};
__declspec(dllexport)
int luaopen_libfoo(lua_State *L)
{
luaL_register (L, "foo", foo_fx);
return 1;
}