On Tue, Oct 23, 2018 at 01:11AM, Dmitry Bogatov wrote: > > Hi! > > I have hard time to build yaml with ghc-8.4. As in state in > DHG_packages, it fails to build with linking error (attached) > [...] > But I wonder, why it worked before? Hi Dmitry, This is a regression on the upstream code. Here is the bug report: https://github.com/snoyberg/yaml/issues/150 and here is the commit which fixes it: https://github.com/snoyberg/yaml/pull/151 -- Ilias