Cmake error with -DQT_BUILD_MANUAL_TESTS=ON

CMake Error at build/qtbase/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:586 (add_executable):
  add_executable cannot create target "touch" because another target with the
  same name already exists.  The existing target is an executable created in
  source directory "/home/david/qt/qt6/qtbase/tests/manual/touch".  See
  documentation for policy CMP0002 for more details.
Call Stack (most recent call first):
  qtbase/cmake/QtExecutableHelpers.cmake:29 (_qt_internal_create_executable)
  qtbase/cmake/QtTestHelpers.cmake:95 (qt_internal_add_executable)
  qtdeclarative/tests/manual/touch/CMakeLists.txt:10 (qt_internal_add_manual_test)


CMake Error at build/qtbase/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:586 (add_executable):
  add_executable cannot create target "styles" because another target with
  the same name already exists.  The existing target is a custom target
  created in source directory
  "/home/david/qt/qt6/qtbase/examples/widgets/widgets".  See documentation
  for policy CMP0002 for more details.
Call Stack (most recent call first):
  qtbase/cmake/QtExecutableHelpers.cmake:29 (_qt_internal_create_executable)
  qtbase/cmake/QtTestHelpers.cmake:95 (qt_internal_add_executable)
  qtdeclarative/tests/manual/quickcontrols2/styles/CMakeLists.txt:16 (qt_internal_add_manual_test)


CMake Error at qtbase/cmake/QtTargetHelpers.cmake:900 (target_compile_definitions):
  target_compile_definitions called with non-compilable target type
Call Stack (most recent call first):
  qtbase/cmake/QtExecutableHelpers.cmake:81 (qt_internal_add_repo_local_defines)
  qtbase/cmake/QtTestHelpers.cmake:95 (qt_internal_add_executable)
  qtdeclarative/tests/manual/quickcontrols2/styles/CMakeLists.txt:16 (qt_internal_add_manual_test)


CMake Error at qtbase/cmake/QtTargetHelpers.cmake:74 (target_include_directories):
  target_include_directories called with non-compilable target type
Call Stack (most recent call first):
  qtbase/cmake/QtExecutableHelpers.cmake:107 (qt_internal_extend_target)
  qtbase/cmake/QtTestHelpers.cmake:95 (qt_internal_add_executable)
  qtdeclarative/tests/manual/quickcontrols2/styles/CMakeLists.txt:16 (qt_internal_add_manual_test)


CMake Error at qtbase/cmake/QtTargetHelpers.cmake:77 (target_compile_definitions):
  target_compile_definitions called with non-compilable target type
Call Stack (most recent call first):
  qtbase/cmake/QtExecutableHelpers.cmake:107 (qt_internal_extend_target)
  qtbase/cmake/QtTestHelpers.cmake:95 (qt_internal_add_executable)
  qtdeclarative/tests/manual/quickcontrols2/styles/CMakeLists.txt:16 (qt_internal_add_manual_test)


CMake Error at qtbase/cmake/QtTargetHelpers.cmake:80 (target_link_libraries):
  Utility target "styles" must not be used as the target of a
  target_link_libraries call.
Call Stack (most recent call first):
  qtbase/cmake/QtExecutableHelpers.cmake:107 (qt_internal_extend_target)
  qtbase/cmake/QtTestHelpers.cmake:95 (qt_internal_add_executable)
  qtdeclarative/tests/manual/quickcontrols2/styles/CMakeLists.txt:16 (qt_internal_add_manual_test)


CMake Error at qtbase/cmake/QtTargetHelpers.cmake:83 (target_compile_options):
  target_compile_options called with non-compilable target type
Call Stack (most recent call first):
  qtbase/cmake/QtExecutableHelpers.cmake:107 (qt_internal_extend_target)
  qtbase/cmake/QtTestHelpers.cmake:95 (qt_internal_add_executable)
  qtdeclarative/tests/manual/quickcontrols2/styles/CMakeLists.txt:16 (qt_internal_add_manual_test)


CMake Error at qtbase/cmake/QtTargetHelpers.cmake:86 (target_link_options):
  target_link_options called with non-compilable target type
Call Stack (most recent call first):
  qtbase/cmake/QtExecutableHelpers.cmake:107 (qt_internal_extend_target)
  qtbase/cmake/QtTestHelpers.cmake:95 (qt_internal_add_executable)
  qtdeclarative/tests/manual/quickcontrols2/styles/CMakeLists.txt:16 (qt_internal_add_manual_test)


CMake Error at qtbase/cmake/QtFlagHandlingHelpers.cmake:189 (target_compile_definitions):
  target_compile_definitions called with non-compilable target type
Call Stack (most recent call first):
  qtbase/cmake/QtExecutableHelpers.cmake:130 (qt_internal_set_exceptions_flags)
  qtbase/cmake/QtTestHelpers.cmake:95 (qt_internal_add_executable)
  qtdeclarative/tests/manual/quickcontrols2/styles/CMakeLists.txt:16 (qt_internal_add_manual_test)


CMake Error at build/qtbase/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:586 (add_executable):
  add_executable cannot create target "dialogs" because another target with
  the same name already exists.  The existing target is an executable created
  in source directory "/home/david/qt/qt6/qtbase/tests/manual/dialogs".  See
  documentation for policy CMP0002 for more details.
Call Stack (most recent call first):
  qtbase/cmake/QtExecutableHelpers.cmake:29 (_qt_internal_create_executable)
  qtbase/cmake/QtTestHelpers.cmake:95 (qt_internal_add_executable)
  qtdeclarative/tests/manual/quickdialogs/dialogs/CMakeLists.txt:10 (qt_internal_add_manual_test)