[Haskell-cafe] Installing Curl on Windows 7 - no longer a permissions problem - due to dependency conflicts

Tue Jun 1 14:19:04 EDT 2010

Permissions issue was straight-forward to resolve.

Yesterday I tracked this down to a conflict with versions of bytestring.

ghc.6.10.4 needs bytestring-0.9.1.4 

ghc-pkg: unregistering bytestring-0.9.1.4 would break the following
packages: ha

ddock-2.4.2 ghc-6.10.4 Win32-2.2.0.0 regex-base-0.72.0.2
regex-posix-0.72.0.3 re

gex-compat-0.71.0.1 zlib-0.5.0.0 HTTP-4000.0.6 cgi-3001.1.7.1 curl-1.3.5
QuickCh

eck-2.1.0.3 tagsoup-0.9 feed-0.3.7 tagsoup-0.10 utf8-string-0.3.6 xml-1.3.7
(use

 --force to override)

other libraries need bytestring-09.1.6

ghc-pkg: unregistering bytestring-0.9.1.6 would break the following
packages: Wi

n32-2.2.0.0 Win32-2.2.0.2 HTTP-4000.0.9 (use --force to override)

Yesterday I could not  access haskell.org  to see if I can install a newer
version of GHC - network or server is done.

Today I am upgrading everything to ghc-6.12.2

There must be a tool somewhere that can assess potential conflicts :

A needs B (>2)

A needs C (>1) but 

C needs B (<2)

I will look once I get passed these install issues

From: haskell-cafe-bounces at haskell.org
[mailto:haskell-cafe-bounces at haskell.org] On Behalf Of Ralph Hodgson
Sent: Monday, May 31, 2010 2:51 PM
To: 'Don Stewart'
Cc: 'Henning Thielemann'; haskell-cafe at haskell.org
Subject: [Haskell-cafe] Installing Curl on Windows 7 - permissions problem

Don,

More angst with Windows 7 permissions.  I hope this is a simple thing for
you or someone else to help me with.

I have successfully installed other packages into my private cabal area.   

When it came to the Haskell curl package, I got permission errors.

Just to prove that things go to the right places, here is a successful run
with the Parseargs Package.

C:\Users\Ralph>cabal install parseargs

Resolving dependencies...

Downloading parseargs-0.1.3...

Configuring parseargs-0.1.3...

Preprocessing library parseargs-0.1.3...

Preprocessing executables for parseargs-0.1.3...

Building parseargs-0.1.3...

[1 of 1] Compiling System.Console.ParseArgs ( System\Console\ParseArgs.hs,
dist\

build\System\Console\ParseArgs.o )

Registering parseargs-0.1.3...

[1 of 2] Compiling System.Console.ParseArgs ( System\Console\ParseArgs.hs,
dist\

build\parseargs-example\parseargs-example-tmp\System\Console\ParseArgs.o )

[2 of 2] Compiling Main             ( parseargs-example.hs,
dist\build\parseargs

-example\parseargs-example-tmp\Main.o )

Linking dist\build\parseargs-example\parseargs-example.exe ...

Installing library in

C:\Users\Ralph\AppData\Roaming\cabal\parseargs-0.1.3\ghc-6.10.4

Installing executable(s) in C:\Users\Ralph\AppData\Roaming\cabal\bin

Registering parseargs-0.1.3...

Parseargs installed fine and the package list shows it in my cabal
directory.

C:\Users\Ralph>ghc-pkg list

C:/Program Files (x86)/Haskell Platform/2009.2.0.2\package.conf:

    Cabal-1.6.0.3, GLUT-2.1.1.2, HTTP-4000.0.6, HUnit-1.2.0.3,

    OpenGL-2.2.1.1, QuickCheck-1.2.0.0, Win32-2.2.0.0, array-0.2.0.0,

    base-3.0.3.1, base-4.1.0.0, bytestring-0.9.1.4, cgi-3001.1.7.1,

    containers-0.2.0.1, directory-1.0.0.3, (dph-base-0.3),

    (dph-par-0.3), (dph-prim-interface-0.3), (dph-prim-par-0.3),

    (dph-prim-seq-0.3), (dph-seq-0.3), extensible-exceptions-0.1.1.0,

    fgl-5.4.2.2, filepath-1.1.0.2, (ghc-6.10.4), ghc-prim-0.1.0.0,

    haddock-2.4.2, haskell-src-1.0.1.3, haskell98-1.0.1.0, hpc-0.5.0.3,

    html-1.0.1.2, integer-0.1.0.1, mtl-1.1.0.2, network-2.2.1.4,

    old-locale-1.0.0.1, old-time-1.0.0.2, packedstring-0.1.0.1,

    parallel-1.1.0.1, parsec-2.1.0.1, pretty-1.0.1.0, process-1.0.1.1,

    random-1.0.0.1, regex-base-0.72.0.2, regex-compat-0.71.0.1,

    regex-posix-0.72.0.3, rts-1.0, stm-2.1.1.2, syb-0.1.0.1,

    template-haskell-2.3.0.1, time-1.1.2.4, xhtml-3000.2.0.1,

    zlib-0.5.0.0

C:\Users\Ralph\AppData\Roaming\ghc\i386-mingw32-6.10.4\package.conf:

    Cabal-1.8.0.4, ListZipper-1.1.1.0, QuickCheck-2.1.0.3,

    bytestring-0.9.1.6, deepseq-1.1.0.0, parseargs-0.1.3, tagsoup-0.9

C:\Users\Ralph>

Now for curl. 

I installed Mingw32 (following the advice at
http://old.nabble.com/cURL-under-Windows-again-td21789068.html#a21789068)

This is what happened when I went to my windows shell:

C:\Users\Ralph\AppData\Roaming\cabal\curl-1.3.5>runhaskell setup build

Preprocessing library curl-1.3.5...

Building curl-1.3.5...

Registering curl-1.3.5...

C:\Users\Ralph\AppData\Roaming\cabal\curl-1.3.5>runhaskell setup install

setup: permission denied

I am wondering if the curl package is trying to put things in system
folders?

Help much appreciated - tight deadlines

Ralph

-----Original Message-----
From: haskell-cafe-bounces at haskell.org
[mailto:haskell-cafe-bounces at haskell.org] On Behalf Of Don Stewart
Sent: Wednesday, May 19, 2010 1:37 PM
To: Henning Thielemann
Cc: haskell-cafe at haskell.org
Subject: Re: [Haskell-cafe] TagSoup 0.9

schlepptop:

> Don Stewart schrieb:

> > Or use things from the download-curl package, which provides a nice

> > openURL function.

> 

> The openURL function from TagSoup is lazy, which the proposed

> replacement 'getResponseBody =<< simpleHTTP (getRequest x)' is not. Is

> the openURL function from download-curl lazy?

> 

Yes, see:

    Network.Curl.Download.Lazy.openLazyURI

though I think it is possible that I strictified the code. Have a play

around with it if it doesn't meet your needs -- should be /trivial/ to

ensure it is chunk-wise lazy.

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