On up-to-date Archlinux and Manjaro machines, I get build errors of the packages sage_numerical_backends_coin-9.0b12 and sage_numerical_backends_gurobi-9.3.1 in SageMath version 10.2.rc0. For both packages the error logs look similar. I don't know if the following is the relevant part of the logs:
Error compiling Cython file: ------------------------------------------------------------ ... if self.is_variable_continuous(variable): return v else: return int(round(v)) cpdef int ncols(self): ^ ------------------------------------------------------------ sage_numerical_backends_coin/coin_backend.pyx:924:10: Signature not compatible with previous declaration -- Peter Mueller -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/db3774eb-e352-43cc-a70b-47b80921047en%40googlegroups.com.