From 80238880e66c2210daa5d67b2dff60ac4a599c8c Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.a.alekhin@gmail.com>
Date: Wed, 9 Jun 2021 09:04:29 +0000
Subject: [PATCH] highgui(gtk): fix initialization order of global objects

---
 modules/highgui/src/window_gtk.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/highgui/src/window_gtk.cpp b/modules/highgui/src/window_gtk.cpp
index a07c3ad5cc..efa3fbd96f 100644
--- a/modules/highgui/src/window_gtk.cpp
+++ b/modules/highgui/src/window_gtk.cpp
@@ -2331,6 +2331,11 @@ public:
 class GTKBackendUI : public UIBackend
 {
 public:
+    GTKBackendUI()
+    {
+        // NB: avoid static initialization order fiasco
+        (void)getGTKWindows();
+    }
     ~GTKBackendUI() CV_OVERRIDE
     {
         destroyAllWindows();