From 5d64eb3fda3fc7a1cad5200c9d04950d0039976b Mon Sep 17 00:00:00 2001
From: Pieter Hijma <pieterhijma@users.noreply.github.com>
Date: Tue, 16 Jul 2024 10:45:09 +0200
Subject: [PATCH] Fix a compatibility issue with old Qt 5

Ubuntu 20.04 uses a currently deprecated API requiring this change.
---
 src/Gui/GuiApplication.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Gui/GuiApplication.cpp b/src/Gui/GuiApplication.cpp
index a437fc3870..0e8f5ac730 100644
--- a/src/Gui/GuiApplication.cpp
+++ b/src/Gui/GuiApplication.cpp
@@ -264,7 +264,11 @@ bool GUISingleApplication::sendMessage(const QString &message, int timeout)
 #else
     ts.setEncoding(QStringConverter::Utf8);
 #endif
+#if QT_VERSION <= QT_VERSION_CHECK(5, 15, 0)
+    ts << message << endl;
+#else
     ts << message << Qt::endl;
+#endif
 
     return socket.waitForBytesWritten(timeout);
 }