From ae340a0b76421fedf73421b0d42f688341658b45 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 7 Oct 2020 18:17:37 +0300
Subject: [PATCH] Fix build with Qt 5.6.2.

---
 ui/platform/ui_platform_window.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ui/platform/ui_platform_window.cpp b/ui/platform/ui_platform_window.cpp
index 3933dd6..c1b88eb 100644
--- a/ui/platform/ui_platform_window.cpp
+++ b/ui/platform/ui_platform_window.cpp
@@ -16,7 +16,11 @@ namespace Platform {
 
 BasicWindowHelper::BasicWindowHelper(not_null<RpWidget*> window)
 : _window(window) {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 9, 0))
 	_window->setWindowFlag(Qt::Window);
+#else // Qt >= 5.9
+	_window->setWindowFlags(_window->windowFlags() | Qt::Window);
+#endif // Qt >= 5.9
 }
 
 not_null<RpWidget*> BasicWindowHelper::body() {