#2614: Enumeration of values for `Sys.Info.os`, `Sys.Info.arch`
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Reporter: jsnx | Owner: mjg
Type: feature request | Status: new
Priority: normal | Milestone: 7.0.1
Component: libraries/base | Version: 6.8.3
Keywords: | Testcase:
Blockedby: | Difficulty: Unknown
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by duncan):
Replying to [comment:9 mjg]:
> I've just listed all os(...) values occuring in Cabal files within a
whole HackageDB:
All of these are valid.
> Not sure if it helps, but I'd suggest to remove "Other" option from
enumerations, since it allows to use values that may not be interpreted by
Cabal. Interestingly most values are never used.
Hackage already disallows uploading packages that mention unknown OSs. To
see this working, try using an unknown one and run `cabal check` on that
package. The reason to keep `Other` is for forwards compatibility, so that
older Cabal versions do not break when we add new OS enum values.
> May do this and add documentation, if permitted.
Yes, this is a fair point. The allowed aliases for the OSs are not
documented. They should be. It's not a serious problem though because the
canonical names are documented.
> Next step would be to email authors of those packages that use
unsupported os() or arch() values.
None of them are unsupported.
I don't think there is any problem here, except perhaps the documentation.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2614#comment:10>
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