diff --git a/cmake/QtFeature.cmake b/cmake/QtFeature.cmake
index edf2a95c652..4be4cd550cf 100644
--- a/cmake/QtFeature.cmake
+++ b/cmake/QtFeature.cmake
@@ -471,26 +471,32 @@ function(qt_feature_copy_global_config_features_to_core target)
 endfunction()
 
 function(qt_config_compile_test name)
-    cmake_parse_arguments(arg "" "LABEL" "LIBRARIES;CODE" ${ARGN})
+    cmake_parse_arguments(arg "" "LABEL;PROJECT_PATH" "LIBRARIES;CODE" ${ARGN})
 
-    foreach(library IN ITEMS ${arg_LIBRARIES})
-        if(NOT TARGET "${library}")
-            # If the dependency looks like a cmake target, then make this compile test
-            # fail instead of cmake abort later via CMAKE_REQUIRED_LIBRARIES.
-            string(FIND "${library}" "::" cmake_target_namespace_separator)
-            if(NOT cmake_target_namespace_separator EQUAL -1)
-                set(HAVE_${name} FALSE)
-                break()
+    if(arg_PROJECT_PATH)
+        try_compile(HAVE_${name} "${CMAKE_BINARY_DIR}/config.tests/${name}" "${arg_PROJECT_PATH}"
+                    "${name}")
+    else()
+        foreach(library IN ITEMS ${arg_LIBRARIES})
+            if(NOT TARGET "${library}")
+                # If the dependency looks like a cmake target, then make this compile test
+                # fail instead of cmake abort later via CMAKE_REQUIRED_LIBRARIES.
+                string(FIND "${library}" "::" cmake_target_namespace_separator)
+                if(NOT cmake_target_namespace_separator EQUAL -1)
+                    set(HAVE_${name} FALSE)
+                    break()
+                endif()
             endif()
-        endif()
-    endforeach()
+        endforeach()
 
-    if(NOT DEFINED HAVE_${name})
-        set(_save_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}")
-        set(CMAKE_REQUIRED_LIBRARIES "${arg_LIBRARIES}")
-        check_cxx_source_compiles("${arg_UNPARSED_ARGUMENTS} ${arg_CODE}" HAVE_${name})
-        set(CMAKE_REQUIRED_LIBRARIES "${_save_CMAKE_REQUIRED_LIBRARIES}")
+        if(NOT DEFINED HAVE_${name})
+            set(_save_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}")
+            set(CMAKE_REQUIRED_LIBRARIES "${arg_LIBRARIES}")
+            check_cxx_source_compiles("${arg_UNPARSED_ARGUMENTS} ${arg_CODE}" HAVE_${name})
+            set(CMAKE_REQUIRED_LIBRARIES "${_save_CMAKE_REQUIRED_LIBRARIES}")
+        endif()
     endif()
+
     set(TEST_${name} "${HAVE_${name}}" CACHE INTERNAL "${arg_LABEL}")
 endfunction()
 
diff --git a/util/cmake/configurejson2cmake.py b/util/cmake/configurejson2cmake.py
index 2c3d98ddfb8..51d89d56abc 100755
--- a/util/cmake/configurejson2cmake.py
+++ b/util/cmake/configurejson2cmake.py
@@ -516,7 +516,16 @@ def parseTest(ctx, test, data, cm_fh):
         details = data["test"]
 
         if isinstance(details, str):
-            print(f"    XXXX UNHANDLED TEST SUB-TYPE {details} in test description")
+            if not ctx['test_dir']:
+                print(f"    XXXX UNHANDLED TEST SUB-TYPE {details} in test description")
+                return
+
+            cm_fh.write(f"""
+if(EXISTS "${{CMAKE_CURRENT_SOURCE_DIR}}/{ctx['test_dir']}/{data['test']}/CMakeLists.txt")
+    qt_config_compile_test("{data['test']}"
+                           PROJECT_PATH "${{CMAKE_CURRENT_SOURCE_DIR}}/{ctx['test_dir']}/{data['test']}")
+endif()
+""")
             return
 
         head = details.get("head", "")
@@ -975,6 +984,7 @@ def processSubconfigs(dir, ctx, data):
 
 def processJson(dir, ctx, data):
     ctx["module"] = data.get("module", "global")
+    ctx["test_dir"] = data.get("testDir", "")
 
     ctx = processFiles(ctx, data)