#5979: ghci + PackageImports behaves strangely
------------------------------+---------------------------------------------
Reporter: dmwit | Owner:
Type: bug | Status: new
Priority: normal | Component: GHCi
Version: 7.4.1 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: None/Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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It seems that failed imports can affect later attempts at importing. For
example, compare the following runs of ghci:
{{{
sorghum:~% ghci
GHCi, version 7.4.1: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Prelude> :set -XPackageImports
Prelude> import "mtl" Control.Monad.State
Prelude Control.Monad.State>
Leaving GHCi.
sorghum:~% ghci
GHCi, version 7.4.1: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Prelude> :set -XPackageImports
Prelude> import "mtl-2.0.1.0" Control.Monad.State
Top level:
Failed to load interface for `Control.Monad.State'
It is not a module in the current program, or in any known package.
Prelude> import "mtl" Control.Monad.State
Top level:
Failed to load interface for `Control.Monad.State'
It is not a module in the current program, or in any known package.
Prelude>
Leaving GHCi.
sorghum:~% ghc-pkg list mtl
/usr/local/lib/ghc-7.4.1/package.conf.d
mtl-2.0.1.0
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5979>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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