Re: lua.h and c++

[David Burgess <dburgess@...>]

This topic has been discussed before and this is the designated
solution.

db

On Mon, 27 Sep 2004 16:57:23 +0100, simon_brown@scee.net
<simon_brown@scee.net> wrote:
> As you mention, Lua is a C library, so it's not unreasonable that
> C++-specific code is left out of the Lua headers.
> 
> I've been cleanly including Lua in C++ headers by wrapping the include
> directives as follows:
> 
> extern "C" {
> #include "lua.h"
> #include "lualib.h"
> #include "lauxlib.h"
> } // extern "C"
> 
> I guess if you wanted to be even cleaner you could put these contents into
> a "lua.hpp" file and include that in your project.
> 
> Simon Brown
> Sony Computer Entertainment Europe
> http://www.scee.com
> 
> lua-bounces@bazar2.conectiva.com.br wrote on 27/09/2004 16:41:04:
> 
> 
> 
> > I love the language, but whenever I install Lua on a
> > machine I need to make an alteration to the header file.
> >
> > The following section allows C programs to use Lua
> > functions if the Lua libraries are compiled in C.
> >
> > /* mark for all API functions */
> > #ifndef LUA_API
> > #define LUA_API      extern
> > #endif
> >
> > It works for C++ only if the libraries are compiled in C++.
> > To get both C and C++ programs working with the C library,
> > I change that section of the lua.h header to the following:
> >
> > /* mark for all API functions */
> > #ifndef LUA_API
> > #ifdef __cplusplus
> > #define LUA_API      extern "C"
> > #else
> > #define LUA_API      extern
> > #endif
> > #endif
> >
> > Now it works beautifully and transparently, but isn't quite
> > standard. I wonder... could this possibly be made the
> > standard for lua.h in future releases of lua?
> > _____________________________________________________________________
> > For super low premiums ,click here http://www.dialdirect.co.za/quote
> 
> > ForwardSourceID:NT000078B6
> 
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-- 
db