ghc-pkg dependency on ghc-cabal should be an order-only dependency,

[ghc-hetmet.git] / utils / genprimopcode / Parser.y

diff --git a/utils/genprimopcode/Parser.y b/utils/genprimopcode/Parser.y
index 9bf20c2..b20414d 100644 (file)
--- a/utils/genprimopcode/Parser.y
+++ b/utils/genprimopcode/Parser.y
@@ -1,5 +1,6 @@
 
 {
+{-# LANGUAGE BangPatterns #-} -- required for versions of Happy before 1.18.6
 {-# 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