#11558: Using Cabal 1.22 against GHC 8.0 results in unhelpful errors -------------------------------------+------------------------------------- Reporter: bgamari | Owner: Type: bug | Status: new Priority: highest | Milestone: 8.0.1 Component: Package system | Version: 8.0.1-rc1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Incorrect | Unknown/Multiple warning at compile-time | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D1892 Wiki Page: | -------------------------------------+------------------------------------- Comment (by bgamari): GHC should now produce an error resembling, {{{ PROG: installed package info from too old version of Cabal (key field does not match id field) }}} when invoked by an older Cabal. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11558#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler