Ticket #1 (closed defect: fixed)

Opened 5 years ago

Last modified 5 years ago

Cabal and ImpredicativeTypes

Reported by: pascal.sotin@… Owned by: somebody
Priority: major Milestone:
Component: component1 Version:
Keywords: cabal, impredicative types Cc:

Description

On a fresh Ubuntu 9.04, with a fresh ghc 6.8.2, with a fresh cabal installed, the compilation of the monadiccp package fails with:

pascal@pascal-laptop:~$ ~/.cabal/bin/cabal install monadiccp
Resolving dependencies...
Configuring monadiccp-0.5.2...
Preprocessing library monadiccp-0.5.2...
Building monadiccp-0.5.2...
Control/CP/ComposableTransformers.hs:9:13:
    unsupported extension: ImpredicativeTypes
cabal: Error: some packages failed to install:
monadiccp-0.5.2 failed during the building phase. The exception was:
exit: ExitFailure 1

Change History

Changed 5 years ago by pascal.sotin@…

  • status changed from new to closed
  • resolution set to fixed

monadiccp requires a version of ghc heigher than 6.10.
The one distributed on Ubuntu is not enough.

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