diff --git a/cmake/QtBaseGlobalTargets.cmake b/cmake/QtBaseGlobalTargets.cmake
index eb99e18794a..18116a35794 100644
--- a/cmake/QtBaseGlobalTargets.cmake
+++ b/cmake/QtBaseGlobalTargets.cmake
@@ -216,6 +216,7 @@ qt_copy_or_install(FILES
                    cmake/QtAndroidHelpers.cmake
                    cmake/QtAppHelpers.cmake
                    cmake/QtAutogenHelpers.cmake
+                   cmake/QtBaseTopLevelHelpers.cmake
                    cmake/QtBuild.cmake
                    cmake/QtBuildInformation.cmake
                    cmake/QtCMakeHelpers.cmake
diff --git a/cmake/QtBaseTopLevelHelpers.cmake b/cmake/QtBaseTopLevelHelpers.cmake
new file mode 100644
index 00000000000..27f0852b338
--- /dev/null
+++ b/cmake/QtBaseTopLevelHelpers.cmake
@@ -0,0 +1,85 @@
+# Copyright (C) 2023 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+# Depends on __qt6_qtbase_src_path being set in the top-level dir.
+macro(qt_internal_top_level_setup_autodetect)
+    # Run platform auto-detection /before/ the first project() call and thus
+    # before the toolchain file is loaded.
+    # Don't run auto-detection when doing standalone tests. In that case, the detection
+    # results are taken from either QtBuildInternals or the qt.toolchain.cmake file.
+
+    if(NOT QT_BUILD_STANDALONE_TESTS)
+        set(__qt6_auto_detect_path "${__qt6_qtbase_src_path}/cmake/QtAutoDetect.cmake")
+        if(NOT EXISTS "${__qt6_auto_detect_path}")
+            message(FATAL_ERROR "Required file does not exist: '${__qt6_auto_detect_path}'")
+        endif()
+        include("${__qt6_auto_detect_path}")
+    endif()
+endmacro()
+
+macro(qt_internal_top_level_setup_after_project)
+    # TODO: Remove this variable once the top-level calls this function and
+    # qt_internal_qt_configure_end is not called in qt_print_build_instructions anymore.
+    set(__qt6_top_level_after_project_called TRUE)
+
+    qt_internal_top_level_setup_testing()
+endmacro()
+
+macro(qt_internal_top_level_setup_testing)
+    # Required so we can call ctest from the root build directory
+    enable_testing()
+endmacro()
+
+# Depends on __qt6_qtbase_src_path being set in the top-level dir.
+macro(qt_internal_top_level_setup_cmake_module_path)
+    if (NOT QT_BUILD_STANDALONE_TESTS)
+        set(__qt6_cmake_module_path "${__qt6_qtbase_src_path}/cmake")
+        if(NOT EXISTS "${__qt6_cmake_module_path}")
+            message(FATAL_ERROR "Required directory does not exist: '${__qt6_cmake_module_path}'")
+        endif()
+
+        list(APPEND CMAKE_MODULE_PATH "${__qt6_cmake_module_path}")
+
+        list(APPEND CMAKE_MODULE_PATH
+            "${__qt6_cmake_module_path}/3rdparty/extra-cmake-modules/find-modules")
+        list(APPEND CMAKE_MODULE_PATH "${__qt6_cmake_module_path}/3rdparty/kwin")
+    endif()
+endmacro()
+
+macro(qt_internal_top_level_before_build_submodules)
+    qt_internal_top_level_setup_no_create_targets()
+endmacro()
+
+macro(qt_internal_top_level_setup_no_create_targets)
+    # Also make sure the CMake config files do not recreate the already-existing targets
+    if (NOT QT_BUILD_STANDALONE_TESTS)
+        set(QT_NO_CREATE_TARGETS TRUE)
+    endif()
+endmacro()
+
+macro(qt_internal_top_level_end)
+    qt_internal_print_top_level_info()
+
+    # Depends on QtBuildInternalsConfig being included, which is the case whenver any repo is
+    # configured.
+    qt_internal_qt_configure_end()
+endmacro()
+
+function(qt_internal_print_top_level_info)
+    if(NOT QT_BUILD_STANDALONE_TESTS)
+        # Display a summary of everything
+        include(QtBuildInformation)
+        include(QtPlatformSupport)
+        qt_print_feature_summary()
+        qt_print_build_instructions()
+    endif()
+endfunction()
+
+macro(qt_internal_top_level_after_add_subdirectory)
+    if(module STREQUAL "qtbase")
+        if (NOT QT_BUILD_STANDALONE_TESTS)
+            list(APPEND CMAKE_PREFIX_PATH "${QtBase_BINARY_DIR}/${INSTALL_LIBDIR}/cmake")
+            list(APPEND CMAKE_FIND_ROOT_PATH "${QtBase_BINARY_DIR}")
+        endif()
+    endif()
+endmacro()
diff --git a/cmake/QtBuildInformation.cmake b/cmake/QtBuildInformation.cmake
index f9495bb0d26..063c5866e75 100644
--- a/cmake/QtBuildInformation.cmake
+++ b/cmake/QtBuildInformation.cmake
@@ -114,7 +114,8 @@ from the build directory")
 
     # TODO: Abuse qt_print_build_instructions being called as the last command in a top-level build.
     # Instead we should call this explicitly at the end of the top-level project.
-    if(QT_SUPERBUILD)
+    # TODO: Remove this once the top-level calls qt_internal_top_level_setup_after_project
+    if(QT_SUPERBUILD AND NOT __qt6_top_level_after_project_called)
         qt_internal_qt_configure_end()
     endif()
 endfunction()