From 06cae185c9a2aae7dd361353583edfe2f16f151f Mon Sep 17 00:00:00 2001
From: Fire Cube <ben7@gmx.ch>
Date: Sun, 22 Jun 2025 19:36:19 +0200
Subject: [PATCH] add error check in cmake

---
 cmake/DetectQtInstallation.cmake | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmake/DetectQtInstallation.cmake b/cmake/DetectQtInstallation.cmake
index 0f1dd6a8b..d482ed9c7 100644
--- a/cmake/DetectQtInstallation.cmake
+++ b/cmake/DetectQtInstallation.cmake
@@ -4,8 +4,8 @@
 file(GLOB QT_KITS LIST_DIRECTORIES true "C:/Qt/*/msvc*")
 list(SORT QT_KITS COMPARE NATURAL)
 list(REVERSE QT_KITS)
-list(GET QT_KITS 0 QT_PREFIX)
-if(QT_PREFIX)
+if(QT_KITS)
+    list(GET QT_KITS 0 QT_PREFIX)
     set(CMAKE_PREFIX_PATH "${QT_PREFIX}" CACHE PATH "Qt prefix auto‑detected" FORCE)
     message(STATUS "Auto-detected Qt prefix: ${QT_PREFIX}")
 else()