<div id="comment:0"></div> Sage 9.1 fails to build with cuda 11, as cuda 11 no longer supports the "architecture" compute_30. Upstream ticket: https://github.com/DrTimothyAldenDavis/SuiteSparse/issues/56 A fix would be to remove compute_30 from the build commands. Upstream: **Fixed upstream, in a later stable release.** CC: @kiwifb @embray @dimpase @orlitzky @kliem Component: **build** Author: **Matthias Koeppe, François Bissey** Branch: **[`f2d21ed`](https://github.com/sagemath/sagetrac-mirror/commit/f2d21ed02f001674c5e168af2741056b029b6603)** Reviewer: **Dima Pasechnik** _Issue created by migration from https://trac.sagemath.org/ticket/30478_