WashNGo Won't Build

[Dominic Steinitz]

I've just downloaded and tried to build WashNGo but I'm getting the 
errors below.  Any help would be appreciated.

Thanks, Dominic.

make[2]: Entering directory `/home/dom/WashNGo-2.4.6/Mail'
/usr//bin/ghc -M -optdep-exclude-directory=../Utility  -package-name WASHMail 
-package text  -i../Utility  ContentDisposition.hs Email.hs EmailConfig.hs 
HeaderField.hs MIME.hs MailParser.hs Message.hs RFC2822.hs
Could not find module `Unique':
  it is a member of package util-1.0, which is hidden
  (imported from Email.hs)
make[2]: *** [depend] Error 1
make[2]: Leaving directory `/home/dom/WashNGo-2.4.6/Mail'
make[2]: Entering directory `/home/dom/WashNGo-2.4.6/cgi'
/usr//bin/ghc -M   -package-name WASH-CGI -package text 
-i../Utility:../Mail:../WASH -optdep-exclude-directory=../WASH 
-optdep-exclude-directory=../Mail -optdep-exclude-directory=../Utility 
AbstractSelector.hs CGI.hs CGIConfig.hs CGIGraphics.hs CGIInternals.hs 
CGIMonad.hs CGIOutput.hs CGITypes.hs CGIXX.hs ContentType.hs Cookie.hs 
CookieIO.hs Debug.hs EventHandlers.hs Fields.hs Frames.hs GuaranteedCGI.hs 
HTMLMail.hs HTMLWrapper.hs Images.hs PPM.hs Persistent2.hs RawCGITypes.hs 
RawCGI.hs RawCGIInternal.hs StateItem.hs Style.hs Submit98.hs SubmitXX.hs 
Types.hs
Could not find module `Unique':
  it is a member of package util-1.0, which is hidden
  (imported from CGIGraphics.hs)
make[2]: *** [depend] Error 1
make[2]: Leaving directory `/home/dom/WashNGo-2.4.6/cgi'
make[1]: *** [subdirs] Error 2
make[1]: Leaving directory `/home/dom/WashNGo-2.4.6'
make: *** [depend] Error 2