Hi all, I’ve just submitted PR #10689, making some small changes to allow NumPy to be compiled on iOS. https://github.com/numpy/numpy/pull/10689 <https://github.com/numpy/numpy/pull/10689> The changes are described in detail on the PR description. For the most part, they’re changes to differentiate between building *on* macOS, and building *for* macOS. Yours, Russ Magee %-)