@jstolarek : It looks you you do not have the criterion library installed. I have `criterion-1.0.1.0` installed in a cabal sandbox. Perhaps your make
#9646: Strange performance bug -------------------------------------+------------------------------------- Reporter: erikd | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.3 Resolution: | Keywords: Operating System: Linux | Architecture: x86_64 (amd64) Type of failure: Runtime | Difficulty: Unknown performance bug | Blocked By: Test Case: | Related Tickets: Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by jstolarek): Replying to [comment:3 erikd]: script does not recognize sandboxes? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9646#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler