Tell happy to be strict

diff --git a/mk/config.mk.in b/mk/config.mk.in
index 5825ef3..f27a4b1 100644 (file)
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -1108,7 +1108,7 @@ HAPPY_VERSION             = @HappyVersion@
 #
 # Options to pass to Happy when we're going to compile the output with GHC
 #
-GHC_HAPPY_OPTS         = -agc
+GHC_HAPPY_OPTS         = -agc --strict
 
 # Temp. to work around performance problems in the HEAD around 8/12/2003,
 # A Happy compiled with this compiler needs more stack.