From 1df198643cc5502ee103f043193d2990c9837e25 Mon Sep 17 00:00:00 2001
From: Ian Lynagh <igloo@earth.li>
Date: Fri, 4 Nov 2011 15:06:56 +0000
Subject: Use -fwarn-tabs when validating

We only use it for "compiler" sources, i.e. not for libraries.
Many modules have a -fno-warn-tabs kludge for now.
---
 compiler/utils/FastMutInt.lhs | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'compiler/utils/FastMutInt.lhs')

diff --git a/compiler/utils/FastMutInt.lhs b/compiler/utils/FastMutInt.lhs
index 26183071f1..d29bb9136c 100644
--- a/compiler/utils/FastMutInt.lhs
+++ b/compiler/utils/FastMutInt.lhs
@@ -1,4 +1,11 @@
 \begin{code}
+{-# OPTIONS -fno-warn-tabs #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and
+-- detab the module (please do the detabbing in a separate patch). See
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#TabsvsSpaces
+-- for details
+
 {-# LANGUAGE BangPatterns #-}
 {-# OPTIONS -cpp #-}
 {-# OPTIONS_GHC -O #-}
-- 
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