What you say rings no bells. I don't see how to make progress without more info. Perhaps show the module that elicits the unexpected orphan message? Simon | -----Original Message----- | From: Adrian Hey [mailto:ahey@iee.org] | Sent: 17 October 2007 17:04 | To: glasgow-haskell-users@haskell.org; Simon Peyton-Jones | Subject: Re: Orphan Instances with GHC 6.8 | | Hello again, | | Adrian Hey wrote: | > Hello Folks, | > | > One thing different from 6.6 and 6.8 is I find that with -Wall | > I get a lot more warnings about orphan instances, even if the | > code has not changed. | > | > Has the definition of what an Orphan instance is changed? | > | > Or is this a bug? If so, is the bug in 6.6 or 6.8? | > | > I can make them go away with the -fno-warn-orphans flag, | > but I'm still curious as to why I didn't have to do this before. | | Sorry, this situation seems more complex than this. I can't quite | figure out whats going on, in fact this but it may to be related | to some other change I've made in the code to get since 6.8. | | The strange thing (to me) is that if I take exactly the same module | and use it in 2 different packages (which are compiled with the same | ghc options AFAIK), one gives me the orphan warning and one doesn't. | Does that make sense? (I.E. Is "Orphanness" somehow context dependent?) | | Thanks | -- | Adrian Hey