In order, the following will be built (use -v for more details):
- websockets-snap-0.10.1.0 {websockets-snap-0.10.1.0-inplace} (lib:websockets-snap) (first run)
Configuring websockets-snap-0.10.1.0...
Preprocessing library websockets-snap-0.10.1.0...
src/Network/WebSockets/Snap.hs:20:18:
Could not find module `Data.ByteString.Builder.Extra'
It is a member of the hidden package `bytestring-0.10.8.1'.
Perhaps you need to add `bytestring' to the build-depends in your .cabal file.
It is a member of the hidden package `bytestring-builder-0.10.8.1.0'.
Perhaps you need to add `bytestring-builder' to the build-depends in your .cabal file.
It is a member of the hidden package `bytestring-builder-0.10.6.0.0'.
Perhaps you need to add `bytestring-builder' to the build-depends in your .cabal file.
It is a member of the hidden package `bytestring-0.10.6.0'.
Perhaps you need to add `bytestring' to the build-depends in your .cabal file.
Use -v to see a list of the files searched for.
Thanks for reporting this. I've added the bytestring-builder compatibility package to the dependencies. It should be fixed now, the new version is websockets-snap-0.10.1.1.
I noticed this build failure (with GHC 7.6.3):