Bug in Cabal creating user package.conf

[Ashley Yakeley]

In article 
<3429668D0E777A499EE74A7952C382D1038EBEE9 at EUR-MSG-01.europe.corp.microso
ft.com>,
 "Simon Marlow" <simonmar at microsoft.com> wrote:

> It's not a newline issue, something else strange is going on here.

You're right, if I run "runghc Setup.hs configure" a second time, it 
works. Also, I have the same issue on Linux.

>  Your
> local package.conf is being created by ghc-pkg (which is a little eager
> to create it in 6.4; 6.4.1 will be better).
> 
> The parse error is coming from Cabal (Distribution.Simple.Configure)
> which is having trouble parsing the list of packages from ghc-pkg list.
> Could you post your output from "ghc-pkg list" after running the
> configure step above?

This is on Linux:

$ rm -rf ~/.ghc
$ runghc Setup.hs configure
Warning: Package is copyright All Rights Reserved
Warning: No license-file field.
Configuring TimeLib-0.1...
configure: searching for ghc in path.
configure: found ghc at /usr/bin/ghc
configure: looking for package tool: ghc-pkg near compiler in 
/usr/bin/ghc
configure: found package tool in /usr/bin/ghc-pkg
configure: Using install prefix: /usr/local
configure: Using compiler: /usr/bin/ghc
configure: Compiler flavor: GHC
configure: Compiler version: 6.4
configure: Using package tool: /usr/bin/ghc-pkg
configure: Using haddock: /usr/bin/haddock
configure: Using happy: /usr/bin/happy
configure: No alex found
configure: Using hsc2hs: /usr/bin/hsc2hs
configure: No cpphs found
configure: Reading installed packages...
cannot parse package list
$ ghc-pkg list
/usr/lib/ghc-6.4/package.conf:
    rts-1.0, base-1.0, haskell98-1.0, template-haskell-1.0, unix-1.0,
    Cabal-1.0, parsec-1.0, haskell-src-1.0, network-1.0,
    QuickCheck-1.0, HUnit-1.1, mtl-1.0, fgl-5.2, X11-1.1, HGL-3.1,
    OpenGL-2.0, GLUT-2.0, stm-1.0, readline-1.0, (lang-1.0),
    (concurrent-1.0), (posix-1.0), (util-1.0), (data-1.0), (text-1.0),
    (net-1.0), (hssource-1.0)
/home/ashley/.ghc/i386-linux-6.4/package.conf:

-- 
Ashley Yakeley, Seattle WA