Require Qt 6.4.3 for building Qt Creator

And remove unneeded conditions from CMake files

Change-Id: Ibb4646f83599c5a91fbd18ce3489103e4150c49f
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

CMakeLists.txt

@@ -73,12 +73,8 @@ find_package(Qt6
   REQUIRED
 )
 
-if (Qt6_VERSION VERSION_GREATER_EQUAL 6.4.3)
-    option(WITH_QMLDESIGNER "Build QmlDesigner" ${ENV_QTC_WITH_QMLDESIGNER})
-else()
-    option(WITH_QMLDESIGNER "Build QmlDesigner" OFF)
-endif()
-add_feature_info("Build QmlDesigner and related code (only if Qt is 6.4.3 or newer)" ${WITH_QMLDESIGNER} "")
+option(WITH_QMLDESIGNER "Build QmlDesigner" ${ENV_QTC_WITH_QMLDESIGNER})
+add_feature_info("Build QmlDesigner and related code" ${WITH_QMLDESIGNER} "")
 
 # hack for Qbs which still supports Qt5 and Qt6
 if (TARGET Qt6::Core5CompatPrivate)

cmake/QtCreatorAPI.cmake

@@ -3,7 +3,7 @@ if(QT_CREATOR_API_DEFINED)
 endif()
 set(QT_CREATOR_API_DEFINED TRUE)
 
-set(IDE_QT_VERSION_MIN "6.2.0")
+set(IDE_QT_VERSION_MIN "6.4.3")
 
 include(${CMAKE_CURRENT_LIST_DIR}/QtCreatorAPIInternal.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/QtcSeparateDebugInfo.cmake)

src/plugins/qmlprojectmanager/CMakeLists.txt

@@ -53,7 +53,6 @@ extend_qtc_plugin(QmlProjectManager
 )
 
 add_qtc_library(QmlProjectManagerLib OBJECT
-    CONDITION Qt6_VERSION VERSION_GREATER_EQUAL 6.4.3
     EXCLUDE_FROM_INSTALL
     DEPENDS
         QmlJS Utils