Problem with a second installed version of the syb package

José Pedro Magalhães jpm at
Mon Mar 23 05:53:19 EDT 2009

Hello Ian,

2009/3/21 Ian Lynagh <igloo at>

> On Fri, Mar 20, 2009 at 09:33:07AM +0100, José Pedro Magalhães wrote:
> >
> >     Bad interface file: C:\Program Files
> > (x86)\Haskell\syb-\ghc-6.10.1\Data\Generics.hi
> >         Something is amiss; requested module  syb:Data.Generics differs
> from
> > name found in the interface file syb-
> > Failed, modules loaded: none.
> >
> > What is the problem here?
> What does
> ghc --show-iface "C:\Program Files
> (x86)\Haskell\syb-\ghc-6.10.1\Data\Generics.hi"
> say?

I'm sorry, I reported the error as ran from ghc-6.10.1. Running it with
ghc-6.10.2-rc1 I get the error

    Bad interface file: C:\Program Files
        Something is amiss; requested module  syb:Data.Generics differs from
name found in the interface file syb-
Failed, modules loaded: none.

ghc --show-iface "C:\Program Files
(x86)\Haskell\syb-\ghc-\Data\Generics.hi" says:

Magic: Wanted 129742,
       got    129742
Version: Wanted [6, 1, 0, 1, 2, 0, 0, 9, 0, 3, 1, 4],
         got    [6, 1, 0, 1, 2, 0, 0, 9, 0, 3, 1, 4]
Way: Wanted [],
     got    []
interface syb- 610120090314
  interface hash: 2f252bc190bffcb63bc93af0a7864f85
  ABI hash: a2784ce2c50f029ab89be2567641765b
  export-list hash: 9f48270b3bb91438449202f71d1f8386
  orphan hash: 693e9af84d3dfcc71e640e005bdc5e2e
export syb- Generic Generic'|{Generic' Generic'
eneric'} GenericB GenericM GenericM'|{GM GenericM' unGM} GenericQ
GenericQ' unGQ} GenericR GenericT GenericT'|{GT GenericT' unGT} choiceMp
 ext0 ext1M ext1Q ext1R ext1T extB extM extMp extQ extR extT mkM mkMp mkQ
mkR mk
T orElse recoverMp recoverQ
export syb- everything everywhere everywhere'
whereBut everywhereM gcount gdepth gfindtype glength gnodecount gsize
 listify something somewhere synthesize
export syb- gread gshow
export syb- geq gfoldlAccum gmapAccumM gmapAccumQ
pAccumQl gmapAccumQr gmapAccumT gzip gzipWithM gzipWithQ gzipWithT
export ghc-prim:GHC.Generics :*:|{:*: :*:} :+:{Inl Inr} Unit|{Unit Unit}
export base:Data.Data ConIndex Constr ConstrRep|{AlgConstr ConstrRep
 IntConstr StringConstr} Data{dataCast1 dataCast2 dataTypeOf gfoldl gmapM
 gmapMp gmapQ gmapQi gmapQl gmapQr gmapT gunfold toConstr} DataRep|{AlgRep
ep FloatRep IntRep NoRep StringRep} DataType Fixity{Infix Prefix}
constrFields c
onstrFixity constrIndex constrRep constrType dataTypeConstrs dataTypeName
peRep fromConstr fromConstrB fromConstrM indexConstr isAlgType isNorepType
nstrIndex mkConstr mkDataType mkFloatConstr mkFloatType mkIntConstr
mkIntType mk
NorepType mkStringConstr mkStringType readConstr repConstr showConstr
e tyconUQname
export base:Data.Typeable TyCon TypeRep Typeable{typeOf} Typeable1{typeOf1}
able2{typeOf2} Typeable3{typeOf3} Typeable4{typeOf4} Typeable5{typeOf5}
6{typeOf6} Typeable7{typeOf7} cast funResultTy gcast gcast1 gcast2 mkAppTy
Ty mkTyCon mkTyConApp showsTypeRep splitTyConApp tyConString typeOf1Default
Of2Default typeOf3Default typeOf4Default typeOf5Default typeOf6Default
ault typeRepArgs typeRepKey typeRepTyCon
module dependencies: Data.Generics.Aliases Data.Generics.Instances
                     Data.Generics.Schemes Data.Generics.Text
package dependencies: ghc-prim integer base
orphans: base:Control.Exception.Base
         syb- base:Data.Tuple base:GHC.Base
         base:GHC.Float base:GHC.Num
family instance modules:
import base:Data.Data 2cfe9f6e828ce97d6906225849a7a8df
import base:Data.Typeable 00f181e6f8bb32e13d28aad58cee1bf9
import base:GHC.Base 6bdeebb11d04df398eb46d76fd9fedc8
import base:Prelude eac9ca3c0ae6d00a0fc0f1832a247e5e
import Data.Generics.Aliases a418fc77a8afb8f63b1349e7e70aae1f
  exports: 8a3a8813709e82f89b2cbe434cbbeb32
  Generic a3d985935013f874e5dce91cd67fc755
  Generic' 88e63b7215ef3e70992766168a404331
  GenericB b1b3a4bb9264b0843b0aed33984ed6e2
  GenericM f1cb29fbd7771577b3ce27762a0176ad
  GenericM' 270d4c132681a10609808f680f30d2a1
  GenericQ acd36022e368af6f81df3e2c9d0655b3
  GenericQ' 4fdb300d3293b22b2d81445caaf7f70b
  GenericR c34610525f7b7b1c9f9866ea45e5f488
  GenericT aeab09799011076dc8f091fc77329bb7
  GenericT' dfd635d65ef1b252ebb551bd573e2fa4
  choiceMp e2a24be4873fbf0985c117f952222ef6
  choiceQ 402677c976faf710fa20d0dbfaed4338
  ext0 188b47185552ece2b9563d279b9f6b11
  ext1M 55c90f3b7aa3b30a09235074ccdd8474
  ext1Q 0fdb24f93014e9134d27059cab8791f5
  ext1R a85ebb59fcd8c1a276968370a82d4696
  ext1T bab0e7a30776525b1b9e8e170817874d
  extB 599378e0cc7f6e3e61782e3f5e819f6e
  extM 709f4b5d8c98e31a40af3a15507871f9
  extMp 5e8fcc4141d141bf89ede5f96286514c
  extQ 09256ec13d553bb7d533db2aba1e6ddb
  extR e6a8c2d13cf699f254418d213ffb02ce
  extT 16dd11bc8a533fc6f3ee4edd8da36b56
  mkM e011e650bd1a6087396a4dede6e2a1df
  mkMp dbe80e6608d434ccb554389d5e3f29ad
  mkQ 0bc35ad32fea2b9bc51816ab146830e1
  mkR 3396bcc0b237aa8e56572e4082069b06
  mkT aadc01dff67d17c2103458fcf84eae37
  orElse e07f75850c897d4eff1b993e172a1b0d
  recoverMp 4f46329c4393b682ea63d5acc423148d
  recoverQ d6d52a9b5c344bc937541944805bf93a
import Data.Generics.Instances be24e3594312407d61d754a104471f52
  exports: f9b081a51f91d5be9de0cd5137909f73
import Data.Generics.Schemes 89cca3ef019bd5311992fc94c8e2d9f2
  exports: c5d833b93c8fdd62dea214857de57662
  everything 9366be0f56347852103e5d0647869181
  everywhere c2db8dcff3ce75dbfc11f2dfb43c448f
  everywhere' cbb509b400eb9774043849fc7abd24a0
  everywhereBut a5a32f5290696d97d277e6cf3ba89839
  everywhereM 58ca3d5f8ece2b6dfd11e335bd480b22
  gcount 4bae2a419da0c4d1c75ea313041d32e0
  gdepth ce875ba06e09ee07306385e44e5a1d3a
  gfindtype a50b0e886f39e79dcd2ae439db65ee43
  glength 1d6577a46d8467ccff4dc9b6ca42ef58
  gnodecount 8b7419fbff5b9f4ae16e41e631002a98
  gsize cb796acfe38c26e540a43269e45553bf
  gtypecount 226ca256162d808d3a0162b0542b0cbc
  listify 66c3a24a9a1ad07ec7b03f094c11c1aa
  something 043694605a8a297710fd1aa7cbaf481f
  somewhere 9806fc835d327210ec0bbf64d35714c6
  synthesize 9c35f4d2f745cde9e5ef62bae4823d40
import Data.Generics.Text cd89d5c73b61195f20a053ea15752a2e
  exports: 5f980955eacfea020c74a684c0447584
  gread cef65a5c719cdfea5d5c3808be676f26
  gshow ecddfe04849b966d1e2dafc28cf28d0c
import Data.Generics.Twins 7cf0e8cddb763bac384f96d215a3d86b
  exports: 673b00515535122807b4b85b42ff3894
  geq 0c781de732da371ac3c05f27034fd24a
  gfoldlAccum 1c69ebb9e30c989ae42a20d0f084cf7e
  gmapAccumM 244b54d9c627ddc206ccc3c7ef2ec659
  gmapAccumQ e17d6c35ee436bd1cc08cd011696d6c6
  gmapAccumQl 4bce72827a7e2373c4f09770810e15d7
  gmapAccumQr 000342ad0f0fcac3e7618dc77b612a85
  gmapAccumT 6070b961c37f7edcae4a5591ea987c15
  gzip beb1639480a745f9a5017cfa4564e751
  gzipWithM 3255db2551d82167b4bb372e91af5e22
  gzipWithQ b459a4f22ca94f1e92f472723edad07e
  gzipWithT 3f96edf00f37f562a3cff3e737a6c096
vectorised variables:
vectorised tycons:
vectorised reused tycons:

Also, if you add -v to the commandline that is going wrong then what
> does it say that syb is being mapped to?

To syb- Output follows:

GHCi, version  :? for help
Glasgow Haskell Compiler, Version, for Haskell 98, stage 2
booted by GHC version 6.10.1
Using package config file: C:\ghc\GHC-61~1.2-R\package.conf
hiding package syb- to avoid conflict with later version syb-
hiding package base- to avoid conflict with later version
wired-in package ghc-prim mapped to ghc-prim-
wired-in package integer mapped to integer-
wired-in package base mapped to base-
wired-in package rts mapped to rts-1.0
wired-in package haskell98 mapped to haskell98-
wired-in package syb mapped to syb-
wired-in package template-haskell mapped to template-haskell-
wired-in package dph-seq mapped to dph-seq-0.3
wired-in package dph-par mapped to dph-par-0.3
Hsc static flags: -static
Loading package ghc-prim ... linking ... done.
Loading package integer ... linking ... done.
Loading package base ... linking ... done.
*** Chasing dependencies:
Chasing modules from:
Stable obj: []
Stable BCO: []
unload: retaining objs []
unload: retaining bcos []
Ready for upsweep []
Upsweep completely successful.
*** Deleting temp files:
*** Chasing dependencies:
Chasing modules from: *test.hs
Stable obj: []
Stable BCO: []
unload: retaining objs []
unload: retaining bcos []
Ready for upsweep
      ModSummary {
         ms_hs_date = Thu Feb  5 08:34:16 W. Europe Standard Time 2009
         ms_mod = main:Test,
         ms_imps = [Data.Generics]
         ms_srcimps = []
compile: input file test.hs
*** Checking old interface for main:Test:
[1 of 1] Compiling Test             ( test.hs, interpreted )
*** Parser:
*** Renamer/typechecker:

    Bad interface file: C:\Program Files
        Something is amiss; requested module  syb:Data.Generics differs from
name found in the interface file syb-
*** Deleting temp files:
Upsweep partially successful.
*** Deleting temp files:
Failed, modules loaded: none.

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