Re: [AD] Magic main UNIX, final (?) take

[Sam Hocevar <sam@xxxxxxxxxx>]

On Wed, Aug 25, 2004, Evert Glebbeek wrote:
> +#undef END_OF_MAIN
> +#ifdef ALLEGRO_WITH_MAGIC_MAIN
> +
>  /* magic to capture name of executable file */
>  extern int    __crt0_argc;
>  extern char **__crt0_argv;
> @@ -28,13 +31,13 @@
>  #ifndef ALLEGRO_NO_MAGIC_MAIN
>     #define ALLEGRO_MAGIC_MAIN
>     #define main _mangled_main
> -   #undef END_OF_MAIN
>     #define END_OF_MAIN() void *_mangled_main_address = (void*) _mangled_main;
>  #else
> -   #undef END_OF_MAIN
>     #define END_OF_MAIN() void *_mangled_main_address;
>  #endif

   This means that legacy programs will no longer compile. Please keep
the END_OF_MAIN definition, even if it's empty:

> +#ifdef ALLEGRO_WITH_MAGIC_MAIN
>  
>  static char *_allegro_program_arguments[] = { "./unknown", 0 };
>  
>  int    __crt0_argc = 1;
>  char **__crt0_argv = _allegro_program_arguments;
>  
> +#endif

   And this means that a program built against the old allegro will
not run with the newest; I think it's better to keep __crt0_argc and
__crt0_argv even if we don't use them.

-- 
Sam.