diff options
| -rw-r--r-- | compiler/parser/Lexer.x | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/compiler/parser/Lexer.x b/compiler/parser/Lexer.x index 85d4d12dca..fbc4821f16 100644 --- a/compiler/parser/Lexer.x +++ b/compiler/parser/Lexer.x @@ -31,15 +31,15 @@ -- qualified varids. { -{-# OPTIONS -Wwarn -w #-} --- The above -Wwarn supression flag is a temporary kludge. --- While working on this module you are encouraged to remove it and fix --- any warnings in the module. See --- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings --- for details --- --- Note that Alex itself generates code with with some unused bindings and --- without type signatures, so removing the flag might not be possible. +-- XXX The above flags turn off warnings in the generated code: +{-# OPTIONS_GHC -fno-warn-unused-matches #-} +{-# OPTIONS_GHC -fno-warn-unused-binds #-} +{-# OPTIONS_GHC -fno-warn-unused-imports #-} +{-# OPTIONS_GHC -fno-warn-missing-signatures #-} +-- But alex still generates some code that causes the "lazy unlifted bindings" +-- warning, and old compilers don't know about it so we can't easily turn +-- it off, so for now we use the sledge hammer: +{-# OPTIONS_GHC -w #-} {-# OPTIONS_GHC -funbox-strict-fields #-} |