[Haskell-cafe] Dynamic loading of module
Arnaud Bailly
arnaud.oqube at gmail.com
Mon Aug 29 08:41:42 CEST 2011
Thanks again for your patience and efforts. I am pretty sure I did not
remove anything from the global package scope, at least intentionally. But
of course I may have done things whcih you did not recommend. Here is the
command-line history:
ghc-pgk unregister --user template-haskell
ghc-pkg unregister --user template-haskell
ghc-pkg unregister --force --user template-haskell
ghc-pkg unregister --force --user quickcheck
ghc-pkg unregister --force --user QuickCheck
ghc-pkg unregister --force --user template-haskell
cd C:\Documents and Settings\abailly\Application
Data\ghc\i386-mingw32-7.0.3\
dir
c:
dir
cd package.conf.d
dir
cd ..
rm -fr package.conf.d
d:
ghc-pkg check
ghc-pkg update
ghc-pkg recache
Regards,
Arnaud
On Mon, Aug 29, 2011 at 4:03 AM, Albert Y. C. Lai <trebla at vex.net> wrote:
> On 11-08-28 04:40 PM, Arnaud Bailly wrote:
>
>> Hello Albert,
>> Thanks for taking the time to help me fix this package stuff. So I wiped
>> out my package.conf.d/ and tried to reinstall my stuff. Installing
>> template-haskell 2.5.0.0 is ok (2.6 is not, fails to compile on ghc
>> 7.0.3) but then:
>>
>> D:\projets\>ghc --make -package ghc main
>> <command line>: cannot satisfy -package ghc
>> (use -v for more information)
>>
>> I suspect I really *do* have to reinstall haskell-platform. Here is the
>> output of ghc-pkg list -v:
>>
>> using cache: C:\Documents and Settings\abailly\Application
>> Data\ghc\i386-mingw32-7.0.3\**package.conf.d\package.cache
>> using cache: D:/Program Files/Haskell
>> Platform/2011.2.0.1\lib\**package.conf.d\package.cache
>> D:/Program Files/Haskell Platform/2011.2.0.1\lib\**package.conf.d:
>> Cabal-1.10.1.0 (Cabal-1.10.1.0-**55f781465ee9f32289755ad706c71f**0f)
>> GLUT-2.1.2.1 (GLUT-2.1.2.1-**2d30997b9a19d27be388572e75af52**bf)
>> HTTP-4000.1.1 (HTTP-4000.1.1-**267a332938fa742ba5a5d59de0b46d**60)
>> HUnit-1.2.2.3 (HUnit-1.2.2.3-**102fbfbd594cd6d38461f5c68d8809**96)
>> OpenGL-2.2.3.0 (OpenGL-2.2.3.0-**a58ce3ad6070e6b7932a3e779be57f**75)
>> Win32-2.2.0.1 (Win32-2.2.0.1-**26cf39fdf591bdac61b11d5a443c62**ab)
>> array-0.3.0.2 (array-0.3.0.2-**8e9cd0144e87fa9cc86cc9031631c4**f3)
>> base-4.3.1.0 (base-4.3.1.0-**f520cd232cc386346843c4a12b63f4**4b)
>> bin-package-db-0.0.0.0
>> (bin-package-db-0.0.0.0-**97d865e5935b41538bcb29fc1040ae**7d)
>> bytestring-0.9.1.10
>> (bytestring-0.9.1.10-**cd85f14e02463c02ba4c77d7adcdb5**4f)
>> cgi-3001.1.7.4 (cgi-3001.1.7.4-**659440ce11c2975fd9c9c471a1e8ff**3b)
>> containers-0.4.0.0
>> (containers-0.4.0.0-**18deac99a132f04751d862b77aab13**6e)
>> deepseq-1.1.0.2 (deepseq-1.1.0.2-**09b3aed0c4982bbc6569c668100876**
>> fa)
>> directory-1.1.0.0 (directory-1.1.0.0-**3a2367d72569467a8af8a231656ff1
>> **b8)
>> extensible-exceptions-0.1.1.2
>> (extensible-exceptions-0.1.1.**2-**d8c5b906654260efd7249f497d17a8**31)
>> ffi-1.0 (builtin_ffi)
>> fgl-5.4.2.3 (fgl-5.4.2.3-**595811d6eabb1e1768685703ea66e9**82)
>> filepath-1.2.0.0 (filepath-1.2.0.0-**f132e9f7703da4e20a47ff2b9acf1e**
>> a1)
>> (ghc-binary-0.5.0.2
>> (ghc-binary-0.5.0.2-**aba2b5dca5546ea1a972188de48f87**b5))
>> ghc-prim-0.2.0.0 (ghc-prim-0.2.0.0-**e1f7c380581d61d42b0360d440cc35**
>> ed)
>> haskell-src-1.0.1.4
>> (haskell-src-1.0.1.4-**7428a8c9049cd6bf5abdc0bbd2d417**c5)
>> (haskell2010-1.0.0.0
>> (haskell2010-1.0.0.0-**53d9cd65595c551eea0c0269f534b5**e0))
>> haskell98-1.1.0.1 (haskell98-1.1.0.1-**35ec26bae828637c1638c8be441b3d
>> **68)
>> hpc-0.5.0.6 (hpc-0.5.0.6-**481dbb43fb624c21ad3bb9434675e3**ac)
>> html-1.0.1.2 (html-1.0.1.2-**a494249f98a0f38b1a8db28bc70f8b**0b)
>> integer-gmp-0.2.0.3
>> (integer-gmp-0.2.0.3-**91607778cf3ae8f3948a50062b4f84**79)
>> mtl-2.0.1.0 (mtl-2.0.1.0-**fb4d1695269b74308c1517c06b76e6**e8)
>> network-2.3.0.2 (network-2.3.0.2-**47657e39a6118a978d9f443d72e85d**
>> 4a)
>> old-locale-1.0.0.2
>> (old-locale-1.0.0.2-**6e2a3c0744e8cf4e0ac2d4e58659f7**b5)
>> old-time-1.0.0.6 (old-time-1.0.0.6-**445ce39cbcebd38069c25c0f383b72**
>> 8d)
>> parallel-3.1.0.1 (parallel-3.1.0.1-**6eaa564e1ef1537bc88ad1fea6c90f**
>> e2)
>> parsec-3.1.1 (parsec-3.1.1-**9da59b00c02e52f9f62f3c87c7e0e2**ec)
>> pretty-1.0.1.2 (pretty-1.0.1.2-**abc7c632374e50e1c1927987c2651f**0f)
>> process-1.0.1.5 (process-1.0.1.5-**b3dded8e54a2e13d22af410bdcfaff**
>> f4)
>> random-1.0.0.3 (random-1.0.0.3-**1abde37180be5476311abeefe300ab**c2)
>> regex-base-0.93.2 (regex-base-0.93.2-**9e1b027c41dbec856469a30982495b
>> **b9)
>> regex-compat-0.93.1
>> (regex-compat-0.93.1-**31c61fe0aee45e8a9853edf7a844f7**4e)
>> regex-posix-0.94.4
>> (regex-posix-0.94.4-**f5eb628ea5dae5f91552d5ea0e2635**9d)
>> rts-1.0 (builtin_rts)
>> stm-2.2.0.1 (stm-2.2.0.1-**57e291244ee02349552a4f79caeb4f**fe)
>> syb-0.3 (syb-0.3-**8db7bc4339a1cb8a6f2a46c40447ef**0b)
>> text-0.11.0.6 (text-0.11.0.6-**398a3f02891247aea46662fc7379c4**a5)
>> time-1.2.0.3 (time-1.2.0.3-**74ef6ac31cee9aec02b036978af002**d2)
>> transformers-0.2.2.0
>> (transformers-0.2.2.0-**2fe7b735c63a6cbe8724038d8e4d81**2a)
>> xhtml-3000.2.0.1 (xhtml-3000.2.0.1-**ace31b2e48c396e565655b0f34f5d2**
>> b7)
>> zlib-0.5.3.1 (zlib-0.5.3.1-**5fbdf714525b76e0e601c2ffb25f20**44)
>>
>> C:\Documents and Settings\abailly\Application
>> Data\ghc\i386-mingw32-7.0.3\**package.conf.d:
>> QuickCheck-2.4.1.1
>> (QuickCheck-2.4.1.1-**04d68679694a517ba23022a4c6bc1c**de)
>> ghc-paths-0.1.0.8 (ghc-paths-0.1.0.8-**be391faf057d651dbb92b73671fe9e
>> **ee)
>> template-haskell-2.5.0.0
>> (template-haskell-2.5.0.0-**87f4f416a22a910e480ac9f269479a**5f)
>> utf8-string-0.3.7 (utf8-string-0.3.7-**dcbcb8de655cdfe1c4c28c094f8c67
>> **99)
>>
>> Thanks again,
>> Arnaud
>>
>> On Sat, Aug 27, 2011 at 8:59 PM, Albert Y. C. Lai <trebla at vex.net
>> <mailto:trebla at vex.net>> wrote:
>>
>> You have too many instances of template-haskell. The important parts
>> are:
>>
>>
>> package ghc-7.0.3-__**fc75cf67c86ba2c0d64b07024a18d3**__b4 is unusable
>>
>> due to missing or recursive dependencies:
>> template-haskell-2.5.0.0-__**7d9b1443ac5ab69e5ed705a487990d**__eb
>>
>> package
>> template-haskell-2.5.0.0-__**7d9b1443ac5ab69e5ed705a487990d**__eb is
>> shadowed by package
>> template-haskell-2.5.0.0-__**87f4f416a22a910e480ac9f269479a**__5f
>>
>>
>> and in "ghc-pkg list -v":
>>
>> D:/Program Files/Haskell Platform/2011.2.0.1\lib\__**package.conf.d:
>>
>>
>> template-haskell-2.5.0.0
>> (template-haskell-2.5.0.0-__**7d9b1443ac5ab69e5ed705a487990d**__eb)
>>
>>
>> C:\Documents and Settings\abailly\Application
>> Data\ghc\i386-mingw32-7.0.3\__**package.conf.d:
>>
>>
>> template-haskell-2.5.0.0
>> (template-haskell-2.5.0.0-__**87f4f416a22a910e480ac9f269479a**__5f)
>>
>>
>> I don't know how you got to this unsafe state. But my article
>> explains what's wrong with it. (Though my example has different
>> version numbers on top of different ABI hashes).
>>
>> The user instance of template-haskell
>> (__**87f4f416a22a910e480ac9f269479a**__5f) is getting into the way.
>> Lose
>>
>> it by doing "ghc-pkg unregister --user template-haskell" on it. Oh,
>> it will complain about breaking other packages; well, lose them too.
>>
>> (Or go one step further and lose all of C:\Documents and
>> Settings\abailly\Application
>> Data\ghc\i386-mingw32-7.0.3\__**package.conf.d which means losing all
>> user packages.)
>>
>> (Reinstalling haskell platform changes nothing, as long as some user
>> package gets into the way.)
>>
>
> I do not understand why you had template-haskell in global and now you
> don't, i.e., last time you still had
>
>
> D:/Program Files/Haskell Platform/2011.2.0.1\lib\**package.conf.d:
> [...]
> template-haskell-2.5.0.0 (template-haskell-2.5.0.0-**
> 7d9b1443ac5ab69e5ed705a487990d**eb)
>
> and now you don't have it.
>
> I clearly did not suggest getting rid of it.
>
> I only suggested getting rid of the user instance "ghc-pkg unregister
> --user template-haskell" and/or getting rid of "C:\Documents and
> Settings\abailly\Application Data\ghc\i386-mingw32-7.0.3\**package.conf.d"
> which are all just user instances, wouldn't lose global instances.
>
> I do not understand why you are so keen on replacing what comes with GHC
> and/or Haskell Platform. I have said several times that such replacements
> cause troubles.
>
> I give up. I am replying because I want to record that my suggestion would
> not lead to an important part of the current state.
>
>
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