[swift-users] compilation problem with boost-1.61.0

[Thomas Klausner]

On Mon, Aug 01, 2016 at 11:50:19PM +0200, Tobias Markmann wrote:
> Yup. That boost release is buggy, see
> https://github.com/boostorg/optional/pull/19 . Try boost master or replace
> any #include <boost/optional_fwd.hpp> by #inlcude <boost/optional.hpp>.
> 
> Does any of this fix compilation for you?

When I change the #include in the installed boost header, both swift
3.0 and 4.0beta2 build again.

I've included the boost upstream patch into pkgsrc.

Thank you very much!
 Thomas