From 633e4e494f31bc02b21c8049424cfb58cfd6e178 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 9 Dec 2025 15:32:28 -0500
Subject: [PATCH] cmake-gui: Remove unused option to link Qt5 windows plugins
 statically

Revert commit 27a73f1613 (cmake-gui: Add build option to use Qt5 windows
plugin statically, 2017-11-13, v3.10.0~3^2~1).  Our builds on Windows
all use Qt 6 now.
---
 Source/QtDialog/CMakeLists.txt | 8 +-------
 Source/QtDialog/CMakeSetup.cxx | 7 -------
 2 files changed, 1 insertion(+), 14 deletions(-)

diff --git a/Source/QtDialog/CMakeLists.txt b/Source/QtDialog/CMakeLists.txt
index b6eb31aea1..c9e0bfeb15 100644
--- a/Source/QtDialog/CMakeLists.txt
+++ b/Source/QtDialog/CMakeLists.txt
@@ -66,12 +66,6 @@ if(CMake_QT_STATIC_QXcbIntegrationPlugin_LIBRARIES)
     PROPERTY COMPILE_DEFINITIONS USE_QXcbIntegrationPlugin)
 endif()
 
-if(CMake_QT_STATIC_QWindowsIntegrationPlugin_LIBRARIES)
-  list(APPEND CMake_QT_EXTRA_LIBRARIES ${CMake_QT_STATIC_QWindowsIntegrationPlugin_LIBRARIES})
-  set_property(SOURCE CMakeSetup.cxx
-    PROPERTY COMPILE_DEFINITIONS USE_QWindowsIntegrationPlugin)
-endif()
-
 # We need to install platform plugin and add qt.conf for Qt5 on Mac and Windows.
 if(CMake_INSTALL_DEPENDENCIES AND (APPLE OR WIN32) AND NOT COMMAND qt_generate_deploy_app_script)
   function(_qt_get_plugin_name_with_version target out_var)
@@ -124,7 +118,7 @@ if(CMake_INSTALL_DEPENDENCIES AND (APPLE OR WIN32) AND NOT COMMAND qt_generate_d
     install(FILES "${CMAKE_CURRENT_BINARY_DIR}/qt.conf"
       DESTINATION "${CMake_INSTALL_APP_DIR_SLASH}Resources"
       ${COMPONENT})
-  elseif(WIN32 AND NOT CMake_QT_STATIC_QWindowsIntegrationPlugin_LIBRARIES)
+  elseif(WIN32)
     if(CMake_QT_MAJOR_VERSION VERSION_GREATER_EQUAL 6)
       # Qt6 provides the plugins as individual packages that need to be found.
       find_package(Qt${CMake_QT_MAJOR_VERSION}QWindowsIntegrationPlugin QUIET PATHS ${Qt${CMake_QT_MAJOR_VERSION}Gui_DIR})
diff --git a/Source/QtDialog/CMakeSetup.cxx b/Source/QtDialog/CMakeSetup.cxx
index 518835923c..e74b871e8a 100644
--- a/Source/QtDialog/CMakeSetup.cxx
+++ b/Source/QtDialog/CMakeSetup.cxx
@@ -54,13 +54,6 @@ static void cmAddPluginPath();
 Q_IMPORT_PLUGIN(QXcbIntegrationPlugin);
 #endif
 
-#if defined(USE_QWindowsIntegrationPlugin)
-Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin);
-#  if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
-Q_IMPORT_PLUGIN(QWindowsVistaStylePlugin);
-#  endif
-#endif
-
 int CMakeGUIExec(CMakeSetupDialog* window);
 void SetupDefaultQSettings();
 void OpenReferenceManual(QString const& filename);