Fix and supress some warnings, and turn on -Werror when validating

3 files changed, 20 insertions, 0 deletions

diff --git a/utils/genapply/GenApply.hs b/utils/genapply/GenApply.hs
index e46b37afcf..fe792a1163 100644
--- a/utils/genapply/GenApply.hs
+++ b/utils/genapply/GenApply.hs
@@ -1,4 +1,10 @@
 {-# OPTIONS -cpp -fglasgow-exts #-}
+{-# OPTIONS_GHC -w #-}
+-- 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/WorkingConventions#Warnings
+-- for details
 module Main(main) where
 
 #include "../../includes/ghcconfig.h"
diff --git a/utils/genprimopcode/Parser.y b/utils/genprimopcode/Parser.y
index a949765526..07f1a84863 100644
--- a/utils/genprimopcode/Parser.y
+++ b/utils/genprimopcode/Parser.y
@@ -1,5 +1,12 @@
 
 {
+{-# OPTIONS_GHC -w #-}
+-- 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/WorkingConventions#Warnings
+-- for details
+
 module Parser (parse) where
 
 import Lexer (lex_tok)
diff --git a/utils/hpc/HpcParser.y b/utils/hpc/HpcParser.y
index 3f7443771b..c18e053c15 100644
--- a/utils/hpc/HpcParser.y
+++ b/utils/hpc/HpcParser.y
@@ -1,4 +1,11 @@
 { 
+{-# OPTIONS_GHC -w #-}
+-- 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/WorkingConventions#Warnings
+-- for details
+
 module HpcParser where
 
 import HpcLexer