X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=utils%2Fgenprimopcode%2FLexer.x;h=df710d72b3fc3bbecfa65bd6160db6b7e926e97a;hb=bfa0c2ed1e4cd07c7934901520cb04db6b79cd9d;hp=8d0c3e93ffe43958d3cb1a71f809750b96a8211b;hpb=045dd8b9f7a7cc08704956366aa32c0f6bcf459e;p=ghc-hetmet.git

diff --git a/utils/genprimopcode/Lexer.x b/utils/genprimopcode/Lexer.x
index 8d0c3e9..df710d7 100644
--- a/utils/genprimopcode/Lexer.x
+++ b/utils/genprimopcode/Lexer.x
@@ -1,9 +1,17 @@
 
 {
+{-# LANGUAGE BangPatterns #-} -- required for versions of Alex before 2.3.4
+{-# OPTIONS -w -Wwarn #-}
+-- The above warning 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
+
 module Lexer (lex_tok) where
 
 import ParserM (ParserM (..), mkT, mkTv, Token(..), St, start_code,
-                StartCode, Action, set_start_code,
+                set_start_code,
                 inc_brace_depth, dec_brace_depth,
                 show_pos, position, input,
                 AlexInput, alexGetChar, alexInputPrevChar)