*What might need doing for me to compile kquickcharts master branch?*
*https://build.neon.kde.org/job/jammy_unstable_kf6_kquickcharts_bin_amd64/25/console <https://build.neon.kde.org/job/jammy_unstable_kf6_kquickcharts_bin_amd64/25/console>15:51:32* [ 29%] Building CXX object src/CMakeFiles/QuickChartsStatic.dir/datasource/ModelHistorySource.cpp.o*15:51:35* In file included from /usr/include/c++/11/bits/stl_algobase.h:71,*15:51:35* from /usr/include/c++/11/array:40,*15:51:35* from /usr/include/c++/11/tuple:39,*15:51:35* from /usr/include/x86_64-linux-gnu/qt6/QtCore/qtypeinfo.h:9,*15:51:35* from /usr/include/x86_64-linux-gnu/qt6/QtCore/qglobal.h:1397,*15:51:35* from /usr/include/x86_64-linux-gnu/qt6/QtCore/qcontainertools_impl.h:14,*15:51:35* from /usr/include/x86_64-linux-gnu/qt6/QtCore/qhash.h:8,*15:51:35* from /usr/include/x86_64-linux-gnu/qt6/QtCore/qabstractitemmodel.h:8,*15:51:35* from /usr/include/x86_64-linux-gnu/qt6/QtCore/QAbstractItemModel:1,*15:51:35* from /workspace/build/src/datasource/ModelSource.h:11,*15:51:35* from /workspace/build/src/datasource/ModelHistorySource.h:11,*15:51:35* from /workspace/build/src/datasource/ModelHistorySource.cpp:8:*15:51:35* /usr/include/c++/11/bits/predefined_ops.h: In instantiation of ‘constexpr bool __gnu_cxx::__ops::_Iter_less_iter::operator()(_Iterator1, _Iterator2) const [with _Iterator1 = QList<QVariant>::const_iterator; _Iterator2 = QList<QVariant>::const_iterator]’:*15:51:35* /usr/include/c++/11/bits/stl_algo.h:5624:12: required from ‘constexpr _ForwardIterator std::__min_element(_ForwardIterator, _ForwardIterator, _Compare) [with _ForwardIterator = QList<QVariant>::const_iterator; _Compare = __gnu_cxx::__ops::_Iter_less_iter]’*15:51:35* /usr/include/c++/11/bits/stl_algo.h:5648:43: required from ‘constexpr _FIter std::min_element(_FIter, _FIter) [with _FIter = QList<QVariant>::const_iterator]’*15:51:35* /workspace/build/src/datasource/ModelHistorySource.cpp:53:29: required from here*15:51:35* /usr/include/c++/11/bits/predefined_ops.h:45:23: error: no match for ‘operator<’ (operand types are ‘const QVariant’ and ‘const QVariant’)*15:51:35* 45 | { return *__it1 < *__it2; }*15:51:35* | ~~~~~~~^~~~~~~~
