[PATCH] D41316: [libcxx] Allow random_device to be built optionally

[Jonathan Roelofs via Phabricator via cfe-commits]

jroelofs added a comment.

> Should we go with current patch?

You'll need a bunch of `UNSUPPORTED: has-no-random-device` or something like it, but other than that, I'm happy with the patch as-is.


Repository:
  rCXX libc++

https://reviews.llvm.org/D41316