Add {-# OPTIONS_GHC -w #-} and some blurb to all compiler modules

compiler/Makefile

@@ -218,6 +218,7 @@ boot :: $(CONFIG_HS)
 $(CONFIG_HS) : $(FPTOOLS_TOP)/mk/config.mk
 	@$(RM) -f $(CONFIG_HS)
 	@echo "Creating $(CONFIG_HS) ... "
+	@echo "{-# OPTIONS_GHC -w #-}" >>$(CONFIG_HS)
 	@echo "module Config where" >>$(CONFIG_HS)
 	@echo "cProjectName          = \"$(ProjectName)\"" >> $(CONFIG_HS)
 	@echo "cProjectVersion       = \"$(ProjectVersion)\"" >> $(CONFIG_HS)

compiler/basicTypes/BasicTypes.lhs

@@ -14,6 +14,13 @@ types that
 \end{itemize}
 
 \begin{code}
+{-# 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 BasicTypes(
 	Version, bumpVersion, initialVersion,
 

compiler/basicTypes/DataCon.lhs

@@ -5,6 +5,13 @@
 \section[DataCon]{@DataCon@: Data Constructors}
 
 \begin{code}
+{-# 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 DataCon (
 	DataCon, DataConIds(..),
 	ConTag, fIRST_TAG,

compiler/basicTypes/Demand.lhs

@@ -5,6 +5,13 @@
 \section[Demand]{@Demand@: the amount of demand on a value}
 
 \begin{code}
+{-# 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
+
 #ifndef OLD_STRICTNESS
 module Demand () where
 #else

compiler/basicTypes/Id.lhs

@@ -5,6 +5,13 @@
 \section[Id]{@Ids@: Value and constructor identifiers}
 
 \begin{code}
+{-# 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 Id (
 	Id, DictId,
 

compiler/basicTypes/IdInfo.lhs

@@ -8,6 +8,13 @@
 Haskell. [WDP 94/11])
 
 \begin{code}
+{-# 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 IdInfo (
 	GlobalIdDetails(..), notGlobalId, 	-- Not abstract
 

compiler/basicTypes/Literal.lhs

@@ -5,6 +5,13 @@
 \section[Literal]{@Literal@: Machine literals (unboxed, of course)}
 
 \begin{code}
+{-# 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 Literal
 	( Literal(..)		-- Exported to ParseIface
 	, mkMachInt, mkMachWord

compiler/basicTypes/MkId.lhs

@@ -12,6 +12,13 @@ have a standard form, namely:
 	* primitive operations
 
 \begin{code}
+{-# 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 MkId (
 	mkDictFunId, mkDefaultMethodId,
 	mkDictSelId, 

compiler/basicTypes/Module.lhs

@@ -9,6 +9,13 @@ These are Uniquable, hence we can build FiniteMaps with Modules as
 the keys.
 
 \begin{code}
+{-# 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 Module 
     (
 	-- * The ModuleName type

compiler/basicTypes/Name.lhs

@@ -5,6 +5,13 @@
 \section[Name]{@Name@: to transmit name info from renamer to typechecker}
 
 \begin{code}
+{-# 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 Name (
 	-- Re-export the OccName stuff
 	module OccName,

compiler/basicTypes/NameEnv.lhs

@@ -5,6 +5,13 @@
 \section[NameEnv]{@NameEnv@: name environments}
 
 \begin{code}
+{-# 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 NameEnv (
 	NameEnv, mkNameEnv,
 	emptyNameEnv, unitNameEnv, nameEnvElts, nameEnvUniqueElts,

compiler/basicTypes/NameSet.lhs

@@ -4,6 +4,13 @@
 %
 
 \begin{code}
+{-# 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 NameSet (
 	-- Sets of Names
 	NameSet,

compiler/basicTypes/NewDemand.lhs

@@ -5,6 +5,13 @@
 \section[Demand]{@Demand@: the amount of demand on a value}
 
 \begin{code}
+{-# 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 NewDemand(
 	Demand(..), 
 	topDmd, lazyDmd, seqDmd, evalDmd, errDmd, isStrictDmd, 

compiler/basicTypes/OccName.lhs

@@ -4,6 +4,13 @@
 %
 
 \begin{code}
+{-# 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 OccName (
 	-- * The NameSpace type; abstact
 	NameSpace, tcName, clsName, tcClsName, dataName, varName, 

compiler/basicTypes/RdrName.lhs

@@ -4,6 +4,13 @@
 %
 
 \begin{code}
+{-# 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 RdrName (
 	RdrName(..),	-- Constructors exported only to BinIface
 

compiler/basicTypes/SrcLoc.lhs

@@ -3,6 +3,13 @@
 %
 
 \begin{code}
+{-# 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 SrcLoc (
 	SrcLoc,			-- Abstract
 

compiler/basicTypes/UniqSupply.lhs

@@ -4,6 +4,13 @@
 %
 
 \begin{code}
+{-# 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 UniqSupply (
 
 	UniqSupply,		-- Abstractly

compiler/basicTypes/Unique.lhs

@@ -16,6 +16,13 @@ Some of the other hair in this code is to be able to use a
 Haskell).
 
 \begin{code}
+{-# 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 Unique (
 	Unique, Uniquable(..), hasKey,
 

compiler/basicTypes/Var.lhs

@@ -5,6 +5,13 @@
 \section{@Vars@: Variables}
 
 \begin{code}
+{-# 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 Var (
 	Var, 
 	varName, varUnique, varType,

compiler/basicTypes/VarEnv.lhs

@@ -4,6 +4,13 @@
 %
 
 \begin{code}
+{-# 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 VarEnv (
 	VarEnv, IdEnv, TyVarEnv,
 	emptyVarEnv, unitVarEnv, mkVarEnv,

compiler/basicTypes/VarSet.lhs

@@ -4,6 +4,13 @@
 %
 
 \begin{code}
+{-# 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 VarSet (
 	VarSet, IdSet, TyVarSet,
 	emptyVarSet, unitVarSet, mkVarSet,

compiler/cmm/CLabel.hs

@@ -6,6 +6,13 @@
 --
 -----------------------------------------------------------------------------
 
+{-# 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 CLabel (
 	CLabel,	-- abstract type
 

compiler/cmm/Cmm.hs

@@ -6,6 +6,13 @@
 --
 -----------------------------------------------------------------------------
 
+{-# 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 Cmm ( 
 	GenCmm(..), Cmm, RawCmm,
 	GenCmmTop(..), CmmTop, RawCmmTop,

compiler/cmm/CmmBrokenBlock.hs

+{-# 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 CmmBrokenBlock (
   BrokenBlock(..),
   BlockEntryInfo(..),

compiler/cmm/CmmCPS.hs

+{-# 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 CmmCPS (
   -- | Converts C-- with full proceedures and parameters
   -- to a CPS transformed C-- with the stack made manifest.

compiler/cmm/CmmCPSGen.hs

+{-# 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 CmmCPSGen (
   -- | Converts continuations into full proceedures.
   -- The main work of the CPS transform that everything else is setting-up.

compiler/cmm/CmmCallConv.hs

+{-# 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 CmmCallConv (
   ParamLocation(..),
   ArgumentFormat,

compiler/cmm/CmmInfo.hs

+{-# 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 CmmInfo (
   cmmToRawCmm,
   mkInfoTable

compiler/cmm/CmmLex.x

@@ -11,6 +11,13 @@
 -----------------------------------------------------------------------------
 
 {
+{-# 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 CmmLex (
    CmmToken(..), cmmlex,
   ) where

compiler/cmm/CmmLint.hs

+{-# 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
+
 -----------------------------------------------------------------------------
 --
 -- (c) The University of Glasgow 2004-2006

compiler/cmm/CmmLive.hs

+{-# 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 CmmLive (
         CmmLive,
         BlockEntryLiveness,

compiler/cmm/CmmOpt.hs

@@ -6,6 +6,13 @@
 --
 -----------------------------------------------------------------------------
 
+{-# 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 CmmOpt (
 	cmmMiniInline,
 	cmmMachOpFold,

compiler/cmm/CmmParse.y

@@ -7,6 +7,13 @@
 -----------------------------------------------------------------------------
 
 {
+{-# 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 CmmParse ( parseCmmFile ) where
 
 import CgMonad

compiler/cmm/CmmProcPoint.hs

+{-# 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 CmmProcPoint (
   calculateProcPoints
   ) where

compiler/cmm/CmmUtils.hs

@@ -6,6 +6,13 @@
 --
 -----------------------------------------------------------------------------
 
+{-# 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 CmmUtils( 
 	CmmStmts, noStmts, oneStmt, mkStmts, plusStmts, stmtList,
 	isNopStmt,

compiler/cmm/Dataflow.hs

+{-# 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 Dataflow (
         fixedpoint
   ) where

compiler/cmm/MachOp.hs

@@ -6,6 +6,13 @@
 --
 -----------------------------------------------------------------------------
 
+{-# 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 MachOp 	( 
 	MachRep(..), 
 	machRepBitWidth,

compiler/cmm/PprC.hs

@@ -16,6 +16,13 @@
 
 -- ToDo: save/restore volatile registers around calls.
 
+{-# 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 PprC (
         writeCs,
         pprStringInCStyle 

compiler/cmm/PprCmm.hs

+{-# 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
+
 ----------------------------------------------------------------------------
 --
 -- Pretty-printing of Cmm as (a superset of) C--

compiler/codeGen/Bitmap.hs

@@ -6,6 +6,13 @@
 -- places in generated code (stack frame liveness masks, function
 -- argument liveness masks, SRT bitmaps).
 
+{-# 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 Bitmap ( 
 	Bitmap, mkBitmap,
 	intsToBitmap, intsToReverseBitmap,