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.

5 files changed, 35 insertions, 0 deletions

diff --git a/compiler/nativeGen/PPC/Cond.hs b/compiler/nativeGen/PPC/Cond.hs
index 7345ee5f1d..ec5ef621c8 100644
--- a/compiler/nativeGen/PPC/Cond.hs
+++ b/compiler/nativeGen/PPC/Cond.hs
@@ -1,4 +1,11 @@
 
+{-# 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
+
 module PPC.Cond (
 	Cond(..),
 	condNegate,
diff --git a/compiler/nativeGen/PPC/Instr.hs b/compiler/nativeGen/PPC/Instr.hs
index ffe5408033..d6f4bafd0d 100644
--- a/compiler/nativeGen/PPC/Instr.hs
+++ b/compiler/nativeGen/PPC/Instr.hs
@@ -9,6 +9,13 @@
 #include "HsVersions.h"
 #include "nativeGen/NCG.h"
 
+{-# 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
+
 module PPC.Instr (
 	archWordSize,
 	RI(..),
diff --git a/compiler/nativeGen/PPC/Ppr.hs b/compiler/nativeGen/PPC/Ppr.hs
index a2797a403a..26f06c373b 100644
--- a/compiler/nativeGen/PPC/Ppr.hs
+++ b/compiler/nativeGen/PPC/Ppr.hs
@@ -6,6 +6,13 @@
 --
 -----------------------------------------------------------------------------
 
+{-# 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
+
 module PPC.Ppr (
 	pprNatCmmDecl,
 	pprBasicBlock,
diff --git a/compiler/nativeGen/PPC/RegInfo.hs b/compiler/nativeGen/PPC/RegInfo.hs
index 2a30087ab7..019cf82f6a 100644
--- a/compiler/nativeGen/PPC/RegInfo.hs
+++ b/compiler/nativeGen/PPC/RegInfo.hs
@@ -6,6 +6,13 @@
 --
 -----------------------------------------------------------------------------
 
+{-# 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
+
 module PPC.RegInfo (
         JumpDest( DestBlockId ), getJumpDestBlockId,
 	canShortcut, 
diff --git a/compiler/nativeGen/PPC/Regs.hs b/compiler/nativeGen/PPC/Regs.hs
index 7a2a84b68c..2f1bae39c1 100644
--- a/compiler/nativeGen/PPC/Regs.hs
+++ b/compiler/nativeGen/PPC/Regs.hs
@@ -4,6 +4,13 @@
 -- 
 -- -----------------------------------------------------------------------------
 
+{-# 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
+
 module PPC.Regs (
 	-- squeeze functions
 	virtualRegSqueeze,