#12596: can't find interface-file declaration -------------------------------------+------------------------------------- Reporter: mwotton | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by j.waldmann): I ran into this when trying to use a derived instance for TH.Lift (for some algebraic data type that used Text somewhere). Some web searching turned up this work-around (use TH.dataToExpQ) https://stackoverflow.com/questions/38143464/cant-find-inerface-file- declaration-for-variable -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12596#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler