Re: [AD] A5 END_OF_MAIN() exorcism progress

[Peter Wang <novalazy@xxxxxxxxxx>]

On 2009-06-21, Evert Glebbeek <eglebbk@xxxxxxxxxx> wrote:
> My local sandbox currently doesn't need END_OF_MAIN() anymore on OS X.  
> The only caveat is that for C++, the prototype has to be "int  
> main(int, char**)" - unless Allegro isn't allowed to steal the main  
> function, in which case the user is responsible for doing whatever  
> Allegro needs the user to do in main().
> 
> In the course of the week (possibly running into next week, but  
> hopefully not too much), I will:
> 
> 1. Move the OS X main.m file from the main library into an addon. The  
> proper way to link Allegro on OS X then becomes "link to liballegro  
> and liba5-main".

Perhaps with pkg-config it could be automatic?

> 2. Merge in Elias' previous patches for Windows and Linux, although  
> magic main was pretty much a no-op in the latter case already and can  
> be avoided in the former case as well (MinGW doesn't need it, MSVC  
> doesn't need it after setting a #pragma; this should again be  
> configurable of course).
> 
> At that point I will post the patch for review. I am fairly adamant in  
> wanting to call the entry point in my main sourcefile "main()", no  
> "al_main()" or "allegro_main()". Just "main()".
> However, what I will probably do is make the code so that "main" and  
> "allegro_main" mean the same thing, since having "allegro_main" as the  
> entry point seems to have at least some supporters.
> In cases where Allegro needs to "steal" main(), that means "#define  
> main allegro_main".
> In cases where Allegro doesn't need to steal main(), that means  
> "#define allegro_main main".
> If Allegro should not steal main() ("#define ALLEGRO_NO_MAGIC_MAIN",  
> do we keep this?), neither of those is done. The entry point is called  
> main() and the user is responsible for doing any initialisation that  
> Allegro requires themselves and does not link to liba5-main.
> 
> Once the patch has been verified to work on all platforms and no one  
> has serious complaints, I'll clean up the examples and demo program,  
> document the change and commit.
> 
> Thoughts?

Having *either* allegro_main() or main() seems unnecessary,
but I will wait for the patch.

Peter