From f4254e69995f54877f642b442c6527a8b4f922f8 Mon Sep 17 00:00:00 2001
From: Kornel Benko <kornel@lyx.org>
Date: Mon, 24 Jun 2019 10:36:37 +0200
Subject: [PATCH] Cmake windows build: Fix a cache variable
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Thanks to Jürgen Womser-Schütz
---
 development/cmake/ConfigureChecks.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/development/cmake/ConfigureChecks.cmake b/development/cmake/ConfigureChecks.cmake
index 1b6bf45bd0..5dc0bc52e8 100644
--- a/development/cmake/ConfigureChecks.cmake
+++ b/development/cmake/ConfigureChecks.cmake
@@ -275,7 +275,7 @@ if(LYX_USE_QT MATCHES "QT5")
     set(lyx_qt5_config "QtCore/qconfig.h")
   endif()
   if(WIN32)
-    set(QT_USES_X11 CACHE "Win32 compiled without X11" 0)
+    set(QT_USES_X11 OFF BOOL CACHE "Win32 compiled without X11")
     # The try_run for minngw would not work here anyway
   else()
     check_cxx_source_runs(
-- 
2.39.2