X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=utils%2Fgenprimopcode%2FLexer.x;h=df710d72b3fc3bbecfa65bd6160db6b7e926e97a;hb=8b104b69acda45c272a2faed0f1a2dd7e6972d87;hp=ac1ea95ce75b10758e518d317dbb5b502fd1eef1;hpb=7d6363d661b5a9e98539c6c2e8002f754b89f20c;p=ghc-hetmet.git

diff --git a/utils/genprimopcode/Lexer.x b/utils/genprimopcode/Lexer.x
index ac1ea95..df710d7 100644
--- a/utils/genprimopcode/Lexer.x
+++ b/utils/genprimopcode/Lexer.x
@@ -1,6 +1,7 @@
 
 {
-{-# OPTIONS -w #-}
+{-# 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