From 61fcdcb4a150ec08968d935be2dc6c2009b7dd8a Mon Sep 17 00:00:00 2001
From: Cristian Adam <cristian.adam@qt.io>
Date: Sat, 19 Nov 2022 12:33:23 +0100
Subject: [PATCH] CMakePM: Do not crash with invalid build presets

If a build preset doensn't reference a configurePreset, the preset is
invalid but Qt Creator crashes.

Task-number: QTCREATORBUG-24555
Change-Id: Ibf5dd7f1bb165d8b7f392e6a1aaa043548bb0f7a
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
---
 src/plugins/cmakeprojectmanager/cmakeproject.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plugins/cmakeprojectmanager/cmakeproject.cpp b/src/plugins/cmakeprojectmanager/cmakeproject.cpp
index 8be9be049e9..ad4c685d3f5 100644
--- a/src/plugins/cmakeprojectmanager/cmakeproject.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakeproject.cpp
@@ -163,7 +163,7 @@ void CMakeProject::setupBuildPresets(Internal::PresetsData &presetsData)
                 TaskHub::requestPopup();
             }
 
-            const QString &configurePresetName = buildPreset.configurePreset.value();
+            const QString &configurePresetName = buildPreset.configurePreset.value_or(QString());
             buildPreset.environment
                 = Utils::findOrDefault(presetsData.configurePresets,
                                        [configurePresetName](