From c8c9b94f0283f1d1ad80d06ef358b72de1cdc607 Mon Sep 17 00:00:00 2001
From: DeaDDooMER <deaddoomer@deadsoftware.ru>
Date: Mon, 21 Oct 2019 23:10:15 +0300
Subject: [PATCH] do not show message box in headless mode

---
 src/game/g_main.pas | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/game/g_main.pas b/src/game/g_main.pas
index 16085ce..9460673 100644
--- a/src/game/g_main.pas
+++ b/src/game/g_main.pas
@@ -367,7 +367,7 @@ begin
   if GameWad = '' then
   begin
     e_WriteLog('GAME.WAD not installed?', TMsgType.Fatal);
-    {$IFDEF USE_SDL2}
+    {$IF DEFINED(USE_SDL2) AND NOT DEFINED(HEADLESS)}
       SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, 'Doom 2D Forever', 'GAME.WAD not installed?', nil);
     {$ENDIF}
     Halt(1);
-- 
2.29.2