RE: tolua++

["Stefan Boberg" <Stefan.Boberg@...>]

    tolua_image_open needs to be declared as extern "C" so that the
compiler doesn't mangle the symbol name.

/Stefan

> -----Original Message-----
> From: lua-bounces@bazar2.conectiva.com.br [mailto:lua-
> bounces@bazar2.conectiva.com.br] On Behalf Of Wesley Smith
> Sent: 12 October 2006 07:49
> To: Lua list
> Subject: tolua++
> 
> I don't know if this is the best place to ask or not, but I'm trying
> to open a C++ based module wrapped with tolua++.  My problem is that
> the linker can't find the openlib function that creates the module
> table despite the object file from the compiled source being included
> in the linking command.  I checked what symbols are in the .o file
> with "nm Lua_image.o".  And since the linker doesn't lie, indeed there
> isn't a _tolua_image_open symbol which would point to this function:
> 
> TOLUA_API int  tolua_image_open (lua_State* tolua_S);
> 
> There are however some C++ mangled symbols like:
> 00004e5c T __Z13luaopen_imageP9lua_State
> 00000000 A __Z13luaopen_imageP9lua_State.eh
> 
> Does anyone have any experience with this problem?  If I don't compile
> the file as C++, I get massive errors.  Any ideas?
> 
> thanks,
> wes