X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=utils%2Fgenprimopcode%2FLexer.x;fp=utils%2Fgenprimopcode%2FLexer.x;h=df710d72b3fc3bbecfa65bd6160db6b7e926e97a;hp=520d1e1742407a4a5e7132734fe67f62e60352af;hb=8b104b69acda45c272a2faed0f1a2dd7e6972d87;hpb=72fd6d39870c75bd5d916620ed5e707f07179385

diff --git a/utils/genprimopcode/Lexer.x b/utils/genprimopcode/Lexer.x
index 520d1e1..df710d7 100644
--- a/utils/genprimopcode/Lexer.x
+++ b/utils/genprimopcode/Lexer.x
@@ -1,5 +1,6 @@
 
 {
+{-# 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