Tue Sep 8 07:09:06 PDT 2009 Simon Marlow <[email protected]>
* Add -package-id, improve package shadowing behaviour and error messages
Ignore-this: 7180370e7ad19a6d632e8e3c9732267c
A few changes bundled together here:
- Add -package-id flag, like -package but takes an
InstalledPackageId as an argument (mainly for Cabal)
(docs to follow)
- Fix the shadowing behaviour: if we end up with
two packages with the same name/version that came from
different package databases, then one will shadow the
other. This may mean we have to disable other packages
that depended on the now-shadowed package. Lots of
refactoring to ensure that we can get reasonable diagnostics when
this happens
<command line>: cannot satisfy -package shadowdep:
shadowdep-1-XXX is unusable due to missing or recursive dependencies:
shadow-1-XXX
(use -v for more information)
M ./compiler/main/DynFlags.hs -3 +6
M ./compiler/main/Packages.lhs -86 +188
M ./ghc/InteractiveUI.hs +1
View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20090908140906-12142-2c4ebb54d4212ab00aac02a5587718f774e02752.gz
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