D Derelict test program macOS

no-reply@allegro.cc (Joel Christensen) — Fri, 16 Jun 2017 06:29:31 +0000

I'm trying to do a minimal program with graphics in the D programming language (dlang.org) using Derelicts Allegro binding on macOS. I used brew install allegro.

Has any one else gotten Allegro 5 going with D on macOS?

#SelectExpand
  1import derelict.allegro5;
  2
  3import std.stdio: writeln;
  4
  5ALLEGRO_DISPLAY* DISPLAY;
  6
  7int main() {
  8    DerelictAllegro5.load();
  9
 10  return DerelictAllegro5.run( {
 11    if (! al_init()) {
 12      writeln("failed to initialize allegro!");
 13      return -1;
 14    }
 15
 16    DISPLAY = al_create_display( 640, 480 );
 17    assert(DISPLAY, "failed to create display");
 18    scope(exit) al_destroy_display( DISPLAY );
 19
 20    al_clear_to_color(al_map_rgb(255,180,0)); //#error return value -11
 21    al_flip_display();
 22
 23    al_rest(2);
 24
 25    return 0;
 26  } );
 27}

no-reply@allegro.cc (Chris Katko) — Fri, 16 Jun 2017 07:18:06 +0000

I run it with DAllegro in Linux. It works fine.

At a quick glance, DerelictAllegro looks like it's not maintained anywhere near that of DAllegro and may be behind in Allegro 5 versions. I'm not a big fan of the naming convention either. But if it works for you, that's cool.

https://github.com/SiegeLord/DAllegro5

no-reply@allegro.cc (torhu) — Fri, 16 Jun 2017 07:25:59 +0000

Hm, what error message are you getting?

no-reply@allegro.cc (Joel Christensen) — Fri, 16 Jun 2017 07:48:42 +0000

Program exited with code -11

no-reply@allegro.cc (torhu) — Fri, 16 Jun 2017 07:51:23 +0000

Right, tried running it in the debugger?

no-reply@allegro.cc (Joel Christensen) — Fri, 16 Jun 2017 08:27:39 +0000

No, I haven't discovered debuggers. [snip]

I don't know how, or if I can use a debugger in D on macOS.

no-reply@allegro.cc (Mike Parker) — Fri, 16 Jun 2017 10:07:55 +0000

Looks like it's a thread-related issue. It works when DISPLAY is marked __gshared, or the declaration is moved inside the function literal. That means it's an issue with the binding and not Allegro.

no-reply@allegro.cc (Chris Katko) — Fri, 16 Jun 2017 23:31:11 +0000

Sorry, I totally missed your error message on your code on my screen width. I thought you were just asking about people's experiences with D and Allegro.