What version of OR-Tools and what language are you using?
Version: main/v9.15
Language: Python
Which solver are you using (e.g. CP-SAT, Routing Solver, GLOP, BOP, Gurobi)
n/a
What operating system (Linux, Windows, ...) and version?
What did you do?
Compile it
What did you expect to see
no errors
What did you see instead?
[ 762s] 2870 | .def_property_readonly(
[ 762s] | ~~~~~~~~~~~~~~~~~~~~~~^
[ 762s] 2871 | "tails",
[ 762s] | ~~~~~~~~
[ 762s] 2872 | [](operations_research::sat::CircuitConstraintProto* self) { return self->mutable_tails(); },
[ 762s] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[ 762s] 2873 | py::return_value_policy::reference, py::keep_alive<0, 1>())
[ 762s] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[ 762s] /usr/include/pybind11/pybind11.h:2659:25: error: static assertion failed: def_property family does not currently support keep_alive. Use a py::cpp_function instead.
While this error message is specific to current pybind11 versions, the actual error is inside the or-tools code, and the generated code is also wrong with the bundled pybind11.
For details, see pybind/pybind11#5533
What version of OR-Tools and what language are you using?
Version: main/v9.15
Language: Python
Which solver are you using (e.g. CP-SAT, Routing Solver, GLOP, BOP, Gurobi)
n/a
What operating system (Linux, Windows, ...) and version?
What did you do?
Compile it
What did you expect to see
no errors
What did you see instead?
While this error message is specific to current pybind11 versions, the actual error is inside the or-tools code, and the generated code is also wrong with the bundled pybind11.
For details, see pybind/pybind11#5533