darcs patch: Make auto-generated *_paths.hs module warning-free.

Thomas Schilling nominolo at googlemail.com
Thu Nov 6 09:33:16 EST 2008


the attached patch fixes a GHC validate build error on Windows.  The
issue is that an auto-generated _paths.hs file was not warning free
and caused a compile failure since GHC's validate uses -Werror.


-------------- next part --------------
Thu Nov  6 14:27:34 GMT Standard Time 2008  Thomas Schilling <nominolo at googlemail.com>
  * Make auto-generated *_paths.hs module warning-free.
  On newer GHCs using {-# OPTIONS_GHC -fffi #-} gives a warning which
  can lead to a compile failure when -Werror is activated.  We therefore
  emit this option if we know that the LANGUAGE pragma is supported 
  (ghc >= 6.6.1).

New patches:

[Make auto-generated *_paths.hs module warning-free.
Thomas Schilling <nominolo at googlemail.com>**20081106142734
 On newer GHCs using {-# OPTIONS_GHC -fffi #-} gives a warning which
 can lead to a compile failure when -Werror is activated.  We therefore
 emit this option if we know that the LANGUAGE pragma is supported 
 (ghc >= 6.6.1).
] {
hunk ./Distribution/Simple/Build/PathsModule.hs 24
-         ( CompilerFlavor(..), compilerFlavor )
+         ( CompilerFlavor(..), compilerFlavor, compilerVersion )
hunk ./Distribution/Simple/Build/PathsModule.hs 37
+import Distribution.Version
+         ( Version(..), orLaterVersion, withinRange )
hunk ./Distribution/Simple/Build/PathsModule.hs 53
+        | supports_language_pragma =
+          "{-# LANGUAGE ForeignFunctionInterface #-}\n"
hunk ./Distribution/Simple/Build/PathsModule.hs 56
-          "{-# LANGUAGE ForeignFunctionInterface #-}\n" ++
hunk ./Distribution/Simple/Build/PathsModule.hs 173
+        supports_language_pragma =
+          compilerFlavor (compiler lbi) == GHC &&
+            (compilerVersion (compiler lbi)
+              `withinRange` orLaterVersion (Version [6,6,1] []))


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Duncan Coutts <duncan at haskell.org>**20081007214120
 Thanks to Dimitry and Ross for identifying the problem.
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Clemens Fruhwirth <clemens at endorphin.org>**20081007095454] 
[Also install dynamically linked executable (when present)
Clemens Fruhwirth <clemens at endorphin.org>**20081006095107] 
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Ian Lynagh <igloo at earth.li>**20081004111103
 When making packages like ghc-prim we need GHC to not automatically
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 Ticket #323
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 We can still add more as necessary
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[TAG 1.5.5
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[Bump version number to 1.5.5
Duncan Coutts <duncan at haskell.org>**20080919140130
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Ian Lynagh <igloo at earth.li>**20080919123438] 
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 So ghc-pkg does not complain about missing files and dirs.
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 It should be very rarely used. The only current examples we
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 The maximum verbosity value is deafening so >= the correct test.
 This primarily affected haddock.
[Do not use ',' as a list separator for the cpp/cc/ld-options fields
Duncan Coutts <duncan at haskell.org>**20080729170556
 It breaks for some options like "ld-options: -Wl,-z,now"
 No existing .cabal files on hackage were using ',' as a
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Ian Lynagh <igloo at earth.li>**20080729172750] 
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Ian Lynagh <igloo at earth.li>**20080729170215
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[Move docs for build-depends into the build information section
Duncan Coutts <duncan at haskell.org>**20080729162024
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 Change to runhaskell Setup or cabal-install as appropriate.
[Move the docs for the buildable field to a better place.
Duncan Coutts <duncan at haskell.org>**20080729160808
 It doesn't need to be right up near the top.
[Document more clearly that every modules must be listed
Duncan Coutts <duncan at haskell.org>**20080729160308
 in one of the fields exposed-modules, other-modules or main-is
 Add an extra note to the section on the Paths_pkgname module
 as the fact that it's automatically generated confuses people.
[Document the wildcard behaviour in data-files and extra-source-files fields
Duncan Coutts <duncan at haskell.org>**20080729155920] 
[Document the $os and $arch install path vars
Duncan Coutts <duncan at haskell.org>**20080729155654] 
[File globs must match at least one file or it's an error.
Duncan Coutts <duncan at haskell.org>**20080729154050] 
[Fix the semantics of the simple file globbing to be sane
Duncan Coutts <duncan at haskell.org>**20080729152624
 I realised when I started to document it that the behaviour
 was not terribly consistent or sensible. The meaning now is:
   The limitation is that * wildcards are only allowed in
   place of the file name, not in the directory name or
   file extension. In particular, wildcards do not include
   directories contents recursively. Furthermore, if a
   wildcard is used it must be used with an extension, so
   "data-files: data/*" is not allowed. When matching a
   wildcard plus extension, a file's full extension must
   match exactly, so "*.gz" matches "foo.gz" but not
 The reason for providing only a very limited form of wildcard
 is to concisely express the common case of a large number of
 related files of the same file type without making it too easy
 to accidentally include unwanted files.
[Allow $arch and $os in install paths.
Duncan Coutts <duncan at haskell.org>**20080729151952
 Fixes ticket #312. For example a user could use:
   cabal configure --libsubdir="$pkgid/$compiler/$arch"
 if they wanted to have packages for multiple architectures
 co-exist in the same filestore area.
[Use "pkg == 1.2.*" as the version wildcard syntax
Duncan Coutts <duncan at haskell.org>**20080729151612
 Rather than "pkg ~ 1.2.*". This seemed to be the consensus.
 The syntax "pkg == 1.2.*" means "pkg >= 1.2 && < 1.3" and it
 is to encourage people to put upper bounds on api versions.
[Pass -no-user-package-conf to ghc when not using UserPackageDB
Duncan Coutts <duncan at haskell.org>**20080729145040
 Should eliminate the corner case where we're doing a global
 install but the user package db contains the exact same
 version as in the global package db. Perhaps we should warn
 in that case anyway since it's likely to go wrong later.
[disambiguate Control.Exception.catch for nhc98
Malcolm.Wallace at cs.york.ac.uk**20080728164506] 
[more import qualification to help nhc98
Malcolm.Wallace at cs.york.ac.uk**20080728153629] 
[help nhc98's module disambiguator a bit
Malcolm.Wallace at cs.york.ac.uk**20080724165753] 
[Substitute for $topdir when we read GHC's InstalledPackageInfo's
Ian Lynagh <igloo at earth.li>**20080723112232] 
[Fix the location of gcc.exe in a Windows GHC installation
Ian Lynagh <igloo at earth.li>**20080723101848] 
[Don't need the complex code in detecting hsc2hs anymore
Duncan Coutts <duncan at haskell.org>**20080720234019
 Since we do not need to know if hsc2hs uses ghc or gcc as cc
 by default since in either case we now tell it to use gcc.
[Always use gcc as cc with hsc2hs
Duncan Coutts <duncan at haskell.org>**20080720233759
 Lookup what flags to use from the package index. Previously this
 was done by calling ghc as cc and passing -package flags to ghc.
 ghc would then lookup what extra flags to pass to gcc. We now do
 that ourselves directly and it's a good deal simpler and it's
 portable to the other haskell implementations. This is only a
 first go, the flags may not all be exactly right. Needs testing.
[Add gccProgram
Duncan Coutts <duncan at haskell.org>**20080720232818
 on Windows we have to find ghc's private copy of gcc.exe
[Add PackageSet.topologicalOrder and reverseTopologicalOrder
Duncan Coutts <duncan at haskell.org>**20080720223731
 with type :: PackageFixedDeps pkg => PackageSet pkg -> [pkg]
[Change some PackageSet functions to return the package rather than the id
Duncan Coutts <duncan at haskell.org>**20080720221702
 dependencyGraph and reverseDependencyClosure now return the
 full package rather than just the PackageIdentifier
[Convert from PackageIndex to PackageSet
Duncan Coutts <duncan at haskell.org>**20080720194924
 Turns out the feature to do case-insensitive lookups was only
 needed in cabal-install (and only in one little part) and
 elsewhere it causes problems. So use PackageSet instead.
[If we have GHC >= 6.9 then use the new -optdep replacement flags
Ian Lynagh <igloo at earth.li>**20080722163346] 
[And exitcode of 2 from ghc-pkg when doing describe '*' means no packages
Ian Lynagh <igloo at earth.li>**20080722125759
 This is a bit of a kludge around GHC's #2201, until Cabal is updated to
 use ghc-pkg dump.
[Fix warnings and add a comment explaining why we pass -x to strip on OS X
Ian Lynagh <igloo at earth.li>**20080720220851] 
[Pass -x to strip on OSX
Duncan Coutts <duncan at haskell.org>**20080720204609] 
[Generate expanded makefile rules directly, rather than using $(eval ...)
Ian Lynagh <igloo at earth.li>**20080720194801
 We used to do this with $(eval ...) and $(call ...) in the
 Makefile, but make 3.79.1 (which is what comes with msys)
 doesn't understand $(eval ...), so now we just stick the
 expanded loop directly into the Makefile we generate.
[Put GHC's programArgs in GHC_OPTS when making a Makefile
Ian Lynagh <igloo at earth.li>**20080715132429] 
[Pass -package-conf foo when using GHC as CC
Ian Lynagh <igloo at earth.li>**20080713123958] 
[If we are using ghc as hsc2hs's cc, then tell it where package.conf is
Ian Lynagh <igloo at earth.li>**20080713110548
 if we have been told to use a specific one with --package-db
[derive Eq for ConfiguredProgram
Duncan Coutts <duncan at haskell.org>**20080711160138
 a request from Saizan
[Simplify ghc version test slightly
Duncan Coutts <duncan at haskell.org>**20080711142026] 
[Fix installing datafiles
Ian Lynagh <igloo at earth.li>**20080712173934
 If datadir is foo and the datafile is bar then we should install it to
 $datadir/bar, not $datadir/foo/bar.
[Fix the "Setup makefile" rules for C files
Ian Lynagh <igloo at earth.li>**20080712173851] 
[If install is given a distPref, pass it on to copy and register
Ian Lynagh <igloo at earth.li>**20080712121916] 
[Add a hack to copy .hs-boot files into dist/...
Ian Lynagh <igloo at earth.li>**20080711000826
 When a preprocessor generates a .hs file we need to put the .hs-boot
 file next to it so that GHC can find it.
[Teach "Setup makefile" how to cope with multiple hs-source-dirs
Ian Lynagh <igloo at earth.li>**20080711000726] 
[Fix some whitespace in Makefile.in
Ian Lynagh <igloo at earth.li>**20080710231519] 
[In Makefile.in, put all the rules that mentions srcdir together
Ian Lynagh <igloo at earth.li>**20080710231415] 
[Correct the order of args given by --PROG-options
Duncan Coutts <duncan at haskell.org>**20080710181437
 They were getting reversed. Problem located by Igloo.
[Remove the need for a compat Data.Map module
Duncan Coutts <duncan at haskell.org>**20080710154600
 Stop using Map.alter, use the same solution as the PackageIndex module.
[fix #if __GLASGOW_HASKELL__ test
Ross Paterson <ross at soi.city.ac.uk>**20080705105048
 The problem is that
 is also true for non-GHC.  It should be
[help nhc98's import overlap resolver
Malcolm.Wallace at cs.york.ac.uk**20080704140613] 
[massage a pattern-with-context around nhc98's typechecker
Malcolm.Wallace at cs.york.ac.uk**20080704140541] 
[Fix haddocking (with old haddocks?)
Ian Lynagh <igloo at earth.li>**20080703154714] 
[Fix using specified package databases
Ian Lynagh <igloo at earth.li>**20080703001216
 If we are using a specified package database, we need to tell GHC what
 it is when building
[Fix the build with GHC 6.4.2: Data.Map.alter doesn't exist
Ian Lynagh <igloo at earth.li>**20080703001151] 
[Allow installing executables in-place, and using shell script wrappers
Ian Lynagh <igloo at earth.li>**20080629164939
 GHC-only currently.
[Remove the SetupWrapper module
Duncan Coutts <duncan at haskell.org>**20080628173010
 It's not used in Cabal itself and while cabal-install used
 it previously, it now has its own extended implementation.
[Update module headers
Duncan Coutts <duncan at haskell.org>**20080628172550
 Use cabal-devel at haskell.org as the maintainer in most cases except for
 a few which were pre-existing modules copied from elsewhere or modules
 like L.H.Extension which really belong to libraries at haskell.org
 Remove the useless stability module. We have more detailed information
 on stability elsewhere (in the version number and user guide).
 Add more top level module documentation, taken from the source guide.
[Whitespace changes, convert tabs to spaces
Duncan Coutts <duncan at haskell.org>**20080626200933] 
[Remove a couple old deprecated empty modules
Duncan Coutts <duncan at haskell.org>**20080626195204] 
[Add ModuleName as a new type instead of using String everywhere
Duncan Coutts <duncan at haskell.org>**20080626192939] 
[Tweaks to the readme, hopefully will reduce confusion
Duncan Coutts <duncan at haskell.org>**20080625232051] 
[Add compat InstalledPackageInfo types for older GHCs
Duncan Coutts <duncan at haskell.org>**20080621013727
 We need these types for their Read instances so that we
 can still read older GHCs package db files when we make
 changes to the current InstalledPackageInfo type, or the
 types contained in it, like PackageIdentifier or License.
[Add simple file name globbing (*) to data-files and extra-source-files
Duncan Coutts <duncan at haskell.org>**20080626171424] 
[haddock typo
Ian Lynagh <igloo at earth.li>**20080629114342] 
[Fix a haddock typo
Ian Lynagh <igloo at earth.li>**20080629114239] 
[Update .darcs-boring
Ian Lynagh <igloo at earth.li>**20080627182013] 
[Use conservative render style for display
Duncan Coutts <duncan at haskell.org>**20080619222258] 
[Include trailing newline in hscolour command description
Duncan Coutts <duncan at haskell.org>**20080619220940] 
[Add PackageSet, like PackageIndex but case sensitive
Duncan Coutts <duncan at haskell.org>**20080614003705
 Actually it turns out that we don't need case insensitivity in many
 cases, mosty just for simple lookups in the UI. For everything else
 the ordinary Ord instance is much simpler. The fact that listing the
 contents of a PackageIndex doesn't come out in Ord order actually
 causes real problems in cabal-install and necessitates re-sorting.
 So we should move to using PackageSet in most cases and just leave
 the search and lookup operations in PackageIndex.
[Add PackageName as a newtype
Duncan Coutts <duncan at haskell.org>**20080614002926] 
[No more need for the distinction between null and emptyBuildInfo
Duncan Coutts <duncan at haskell.org>**20080614001654
 Now that we have removed the hsSourceDirs = [currentDir] default
 from emptyBuildInfo it is now equal to nullBuildInfo.
[Add version wildcard syntax
Duncan Coutts <duncan at haskell.org>**20080619175006
   build-depends: foo ~1.2.*
   build-depends: foo >=1.2 && <1.3
 It's also valid everywhere else version ranges are used.
[haddock-2.2 and later do now support the --hoogle flag
Duncan Coutts <duncan at haskell.org>**20080613205445] 
['.' should not always be in hs-source dirs
Duncan Coutts <duncan at haskell.org>**20080613230352
 We changed the parsing of list fields in the .cabal file so that it
 adds to the current value rather than replacing it. This allows you
 to put multiple entries for a list field and they all get
 concatenated. However that means that the '.' in the hsSourceDirs of
 emptyBuildInfo is always added to and not replaced like we did
 previously. That's not what we want in this case. We want to use '.'
 for hsSourceDirs *only* if hsSourceDirs is otherwise null. As it
 happens, due to the way the configurations code works, we're already
 filling in the default if it'd otherwise be null so we do not need
 '.' in the emptyBuildInfo at all.
[Fix css location in generation of user guide
Duncan Coutts <duncan at haskell.org>**20080617133811] 
[Update changelog for
Duncan Coutts <duncan at haskell.org>**20080617130434] 
[Makefile tweak, setup depends on Setup.hs
Duncan Coutts <duncan at haskell.org>**20080616175446] 
[construct InstalledPackageInfo from scratch rather than by overriding
Duncan Coutts <duncan at haskell.org>**20080616171505
 It means we catch any fields that get added. As it happens we were
 missing a field, though its value is supposed to be just [] which is
 the same value as we got from the default emptyInstalledPackageInfo.
[force results inside withHaskellFile
Ross Paterson <ross at soi.city.ac.uk>**20080614160707
 withUTF8FileContents now closes the file, so we need to force what we're
 computing from the contents before it's gone.
[Include the readme and the changelog in the tarball
Duncan Coutts <duncan at haskell.org>**20080612190558] 
[Move the mkGHCMakefile.sh out of the root dir
Duncan Coutts <duncan at haskell.org>**20080612190317
 Having it there confuses people.
 They think they have to run it as part of the install process.
[Put upper bounds on all the build-depends
Duncan Coutts <duncan at haskell.org>**20080612174958] 
[Add the release to the changelog
Duncan Coutts <duncan at haskell.org>**20080612164242] 
[Add the release to the changelog
Duncan Coutts <duncan at haskell.org>**20080612164144] 
[Update the README and convert it to markdown syntax
Duncan Coutts <duncan at haskell.org>**20080612162906] 
[Update the release notes
Duncan Coutts <duncan at haskell.org>**20080612154624] 
[Update copyright and authors list in the .cabal file
Duncan Coutts <duncan at haskell.org>**20080612154444] 
[base-1.0 does not have Data.Map.alter so use insertWith instead
Duncan Coutts <duncan at haskell.org>**20080612154309] 
[Lift the restriction that libraries must have exposed-modules
Duncan Coutts <duncan at haskell.org>**20080612092924
 This allows libs that have only private modules or C code. This
 might be used to make libs that have non-exposed modules and only
 export C APIs. It could also be used to make packages that consist
 only of C code. That might be useful for bindings where it may
 make sense to split the C and Haskell code into separate packages.
[Use the standard autogenModulesDir rather than a local copy
Duncan Coutts <duncan at haskell.org>**20080612092855] 
[Fix the register --gen-pkg-config flag
Duncan Coutts <duncan at haskell.org>**20080612092425
 When specified without any file name it is supposed to use
 a default file name rather than be ignored completely.
[Filter out the Paths_pkgname file in sdist
Duncan Coutts <duncan at haskell.org>**20080612091810
 Fixes ticket #187 finally (I hope).
[Switch the hugs code to safe file reading and writing
Duncan Coutts <duncan at haskell.org>**20080610180947] 
[Use writeFileAtomic everywhere instead of writeFile
Duncan Coutts <duncan at haskell.org>**20080610180727] 
[Switch to scoped file reading rather than lazy readFile
Duncan Coutts <duncan at haskell.org>**20080610180528] 
[Close the package.conf file after reading it
Duncan Coutts <duncan at haskell.org>**20080610180217
 We had a bug on windows where we open and read ghc's package.conf
 database but because we did not consume the final newline we did
 not close the file. Then when we called ghc-pkg to register a
 package it failed because it could not rename the open file.
[Add withFileContents and withUTF8FileContents
Duncan Coutts <duncan at haskell.org>**20080610180150
 Safe block scoped reading of files.
 These guarantee that the file gets closed.
[Fix pre-processing for haddock and executables
Duncan Coutts <duncan at haskell.org>**20080609233609
 Now look in the right place to find the pre-processed source
 files belongign to executables. Fixes ticket #252.
[Fail better when using haddock 2.x and the --hoogle flag
Duncan Coutts <duncan at haskell.org>**20080609190555
 Fixes ticket #249
[Install haddock interface only when generated
Duncan Coutts <duncan at haskell.org>**20080609190251
 This is actually Andrea Rossato's patch but it didn't merge
 cleanly due to more recent changes. Fixes ticket #250.
[Install license file into the right place
Duncan Coutts <duncan at haskell.org>**20080609185840
 even if the license file was kept in a subdir of the src tree.
 The canonical example was: license-file: debian/copyright
 It was being installed into $docdir/debian/ and failing since
 that dir did not exist. It's now installed into just $docdir.
[Note compatability issue in deprecation message for defaultUserHooks
Duncan Coutts <duncan at haskell.org>**20080527135830] 
[Bump version due to api changes
Duncan Coutts <duncan at haskell.org>**20080529104714] 
[Put spaces round || and && when displaying version range expressions
Duncan Coutts <duncan at haskell.org>**20080529104214
 This makes them much more readable.
[Change the PackageIndex invariant so the buckets are ordered
Duncan Coutts <duncan at haskell.org>**20080529095346
 Each bucket holds packages with the same name case-insensitively.
 Previously each buckets was internally unordered. Now they're
 ordered by the full package id which means first by package name
 case-sensitively and then by version.
[Add thisPackageVersion and notThisPackageVersion
Duncan Coutts <duncan at haskell.org>**20080529092607
 Util functions for makeing dependencies from package identifiers.
 thisPackageVersion    (foo-1.0) = foo ==1.0
 notThisPackageVersion (foo-1.0) = foo /=1.0
 The latter is handy as a constraint in dependency resolution.
[Add notThisVersion :: Version -> VersionRange
Duncan Coutts <duncan at haskell.org>**20080529092244
 Opposite of ThisVersion, it means /= x.y but is actually implemented
 as > x.y || < x.y as we do not have not or not equal as primitives.
[Write out Bool config values correctly
Duncan Coutts <duncan at haskell.org>**20080521153420
 Used by cabal-install when writing the default ~/.cabal/config file.
 Previously it was using show for type Maybe Bool and writing out
 "Just True" when of course it should just be "True".
[Rename doc/fptools.css to avoid the ghc build system cleaning it
Duncan Coutts <duncan at haskell.org>**20080520191700
 The user guide gets built in two different ways. There's a target
 in Cabal's the top level Makefile and there is also the stuff that
 the ghc build system uses. The ghc build system expects to copy in
 doc/fptools.css and then delete it again on make clean. We want a
 persistent copy so that we can make the docs when we've just got a
 standalone Cabal build tree, so that's now kept as doc/Cabal.css.
[Remove gnerated file (doc/fptools.css)
Ian Lynagh <igloo at earth.li>*-20080511130035] 
[document data-dir field
Bertram Felgenhauer <int-e at gmx.de>**20080509131306] 
[add data-dir field to package config
Bertram Felgenhauer <int-e at gmx.de>**20080509130448
 Cabal will look for data files to install relative to the directory given
 in the data-dir field, allowing package authors to better structure their
 source tree. There's no behavioural change by default.
[Allow the bindir, libdir and libexec dir to be specified via env vars too
Duncan Coutts <duncan at haskell.org>**20080519173808
 Same as for the datadir. Eg for package Foo, you'd use
 Foo_bindir=... Foo_datadir=... Foo_libexecdir=... ./Foo
 The next step would be generating a wrapper script that allows
 running the program inplace. It should also work for a library.
[Remove unused import
Duncan Coutts <duncan at haskell.org>**20080513094301] 
[Do not display version tags
Duncan Coutts <duncan at haskell.org>**20080509094455] 
[Remove Distribution.Compat.Exception from other-modules
Duncan Coutts <duncan at haskell.org>**20080514171822] 
[Add PackageIndex.lookupPackageName and extra deletion functions
Duncan Coutts <duncan at haskell.org>**20080514162954] 
[Check invariant on every construction and elide on lookups
Duncan Coutts <duncan at haskell.org>**20080514154104] 
[Remove redundant Char test in parseBuildToolName
Duncan Coutts <duncan at haskell.org>**20080514153343
 It was made redundant after the isSymbol test was removed.
 Spotted by Igloo.
[Eliminate use of bracketOnError, use handle instead
Duncan Coutts <duncan at haskell.org>**20080514153206
 It's actually more appropriate anyway.
 This means we don't need any Distribution.Compat.Exception.
[Define bracketOnError in compat; fixes the build for GHC 6.4
Ian Lynagh <igloo at earth.li>*-20080514003919] 
[Add in {-# OPTIONS #-} for the benefit of ghc-6.4.x
Duncan Coutts <duncan at haskell.org>**20080514144728
 Which do not grok OPTIONS_GHC or LANGUAGE pragmas
[TAG 2008-05-28
Ian Lynagh <igloo at earth.li>**20080528004259] 
Patch bundle hash:

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