Compilation time for the mime-string package blew up from 8.4 to 8.6
mime-string Hackage package takes ~7 minutes to compile on my machine with a GHC >= 8.6. With GHC-8.4.4 it was building in < 20s including some dependencies.
cabal seems to default to building to
.dyn_o files too, which seems to increase compile time so much that building
Codec.MIME.String.Headers alone takes > 20 minutes.
The issue was originally reported in this discourse.haskell.org thread.
Steps to reproduce
The build should take no longer than about 30s.
- GHC version used: 8.6.5
- Operating System: Ubuntu 16.04
- System Architecture: x86_64