Test build CI with C++98 on GHA

[s-trinh]

Test build CI with C++98 on GHA.

On my computer, I have the following errors with C++98:

visp/modules/detection/src/tag/vpDetectorAprilTag.cpp: In static member function ‘static vpDetectorAprilTag::vpAprilTagFamily vpDetectorAprilTag::tagFamilyFromString(const std::string&)’:
visp/modules/detection/src/tag/vpDetectorAprilTag.cpp:1531:66: error: ‘vpDetectorAprilTag::vpAprilTagFamily’ is not a class or namespace
 1531 |   vpDetectorAprilTag::vpAprilTagFamily res = vpDetectorAprilTag::vpAprilTagFamily::TAG_COUNT;
      |                                                                  ^~~~~~~~~~~~~~~~
visp/modules/detection/src/tag/vpDetectorAprilTag.cpp:1535:35: error: ‘vpDetectorAprilTag::vpAprilTagFamily’ is not a class or namespace
 1535 |   while ((i < vpDetectorAprilTag::vpAprilTagFamily::TAG_COUNT) && (!wasFound)) {
      |                                   ^~~~~~~~~~~~~~~~
visp/modules/detection/src/tag/vpDetectorAprilTag.cpp: In static member function ‘static std::string vpDetectorAprilTag::getAvailableTagFamily(const std::string&, const std::string&, const std::string&)’:
visp/modules/detection/src/tag/vpDetectorAprilTag.cpp:1552:52: error: ‘vpDetectorAprilTag::vpAprilTagFamily’ is not a class or namespace
 1552 |   for (unsigned int i = 0; i < vpDetectorAprilTag::vpAprilTagFamily::TAG_COUNT - 1; ++i) {
      |                                                    ^~~~~~~~~~~~~~~~
visp/modules/detection/src/tag/vpDetectorAprilTag.cpp:1556:122: error: ‘vpDetectorAprilTag::vpAprilTagFamily’ is not a class or namespace
 1556 |   vpDetectorAprilTag::vpAprilTagFamily candidate = static_cast<vpDetectorAprilTag::vpAprilTagFamily>(vpDetectorAprilTag::vpAprilTagFamily::TAG_COUNT - 1);
      |                                                                                                                          ^~~~~~~~~~~~~~~~
visp/modules/detection/src/tag/vpDetectorAprilTag.cpp: In static member function ‘static vpDetectorAprilTag::vpPoseEstimationMethod vpDetectorAprilTag::poseMethodFromString(const std::string&)’:
visp/modules/detection/src/tag/vpDetectorAprilTag.cpp:1595:72: error: ‘vpDetectorAprilTag::vpPoseEstimationMethod’ is not a class or namespace
 1595 |   vpDetectorAprilTag::vpPoseEstimationMethod res = vpDetectorAprilTag::vpPoseEstimationMethod::POSE_COUNT;
      |                                                                        ^~~~~~~~~~~~~~~~~~~~~~
visp/modules/detection/src/tag/vpDetectorAprilTag.cpp:1599:35: error: ‘vpDetectorAprilTag::vpPoseEstimationMethod’ is not a class or namespace
 1599 |   while ((i < vpDetectorAprilTag::vpPoseEstimationMethod::POSE_COUNT) && (!wasFound)) {
      |                                   ^~~~~~~~~~~~~~~~~~~~~~
visp/modules/detection/src/tag/vpDetectorAprilTag.cpp: In static member function ‘static std::string vpDetectorAprilTag::getAvailablePoseMethod(const std::string&, const std::string&, const std::string&)’:
visp/modules/detection/src/tag/vpDetectorAprilTag.cpp:1616:52: error: ‘vpDetectorAprilTag::vpPoseEstimationMethod’ is not a class or namespace
 1616 |   for (unsigned int i = 0; i < vpDetectorAprilTag::vpPoseEstimationMethod::POSE_COUNT - 1; ++i) {
      |                                                    ^~~~~~~~~~~~~~~~~~~~~~
visp/modules/detection/src/tag/vpDetectorAprilTag.cpp:1620:134: error: ‘vpDetectorAprilTag::vpPoseEstimationMethod’ is not a class or namespace
 1620 |   vpDetectorAprilTag::vpPoseEstimationMethod candidate = static_cast<vpDetectorAprilTag::vpPoseEstimationMethod>(vpDetectorAprilTag::vpPoseEstimationMethod::POSE_COUNT - 1);
      |                                                                                                                                      ^~~~~~~~~~~~~~~~~~~~~~
make[2]: *** [modules/detection/CMakeFiles/visp_detection.dir/build.make:132 : modules/detection/CMakeFiles/visp_detection.dir/src/tag/vpDetectorAprilTag.cpp.o] Erreur 1
make[1]: *** [CMakeFiles/Makefile2:1701 : modules/detection/CMakeFiles/visp_detection.dir/all] Erreur 2
make: *** [Makefile:136 : all] Erreur 2

With:

    C++ Compiler:                /usr/lib/ccache/c++  (ver 13.3.0)

On the CI, https://github.com/lagadic/visp/actions/runs/22964526516/job/66665983438 there is something odd:

But the corresponding modules are indeed disabled: