#2365: Warn about usage of `OPTIONS_GHC -XLanguageExtension` -------------------------------------+------------------------------------- Reporter: igloo | Owner: Type: feature | Status: new request | Milestone: 7.10.1 Priority: lowest | Version: 6.8.2 Component: Compiler | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: | Difficulty: Unknown Unknown/Multiple | Blocked By: Type of failure: | Related Tickets: #1407, #2499 None/Unknown | Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Changes (by thomie): * related: #1407 => #1407, #2499 Comment: Warnings for `{-# OPTIONS_GHC -package foo #-}` were added in #2499. This ticket is for showing a warning when `{-# OPTIONS_GHC -XLanguageExtension #-}` is used. The [https://www.haskell.org/ghc/docs/7.8.3/html/users_guide/pragmas.html #language-pragma user guide] says: "The LANGUAGE pragma should be used instead of OPTIONS_GHC, if possible." -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/2365#comment:16 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler