QmlDesigner: Fix Qt Creator build without Qt::Quick

Task-number: QTCREATORBUG-32299
Change-Id: I8bc98f8bdca9a7f985ea6f4848db6cd00cc12cc7
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

CMakeLists.txt

@@ -77,6 +77,9 @@ find_package(Qt6
   REQUIRED
 )
 
+find_package(Qt6 OPTIONAL_COMPONENTS Quick QuickWidgets Designer DesignerComponentsPrivate
+                                     Help SerialPort Svg Tools LinguistTools QUIET)
+
 # depending on Qt version and compiler version enable or disable Qml Designer
 # can be overwritten by variable WITH_QMLDESIGNER / QTC_WITH_QMLDESIGNER (env)
 configure_qml_designer(${Qt6_VERSION})
@@ -106,9 +109,6 @@ if (MSVC AND QT_FEATURE_static_runtime)
   set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 endif()
 
-find_package(Qt6 OPTIONAL_COMPONENTS Quick QuickWidgets Designer DesignerComponentsPrivate
-                                     Help SerialPort Svg Tools LinguistTools QUIET)
-
 find_package(Threads)
 find_package(Clang QUIET)
 

cmake/Utils.cmake

@@ -89,6 +89,10 @@ function(configure_qml_designer Qt6_VERSION)
         set(QTC_WITH_QMLDESIGNER_DEFAULT OFF)
     endif()
 
+    if(NOT TARGET Qt::Quick)
+        set(QTC_WITH_QMLDESIGNER_DEFAULT OFF)
+    endif()
+
     env_with_default("QTC_WITH_QMLDESIGNER" ENV_QTC_WITH_QMLDESIGNER ${QTC_WITH_QMLDESIGNER_DEFAULT})
     option(WITH_QMLDESIGNER "Build QmlDesigner" ${ENV_QTC_WITH_QMLDESIGNER})
     add_feature_info("WITH_QMLDESIGNER" ${WITH_QMLDESIGNER} "${QMLDESIGNER_FEATURE_DESC}")