[Haskell-cafe] Dynamic loading of module

[Albert Y. C. Lai]

On 11-08-28 10:38 PM, Brandon Allbery wrote:
> On Sun, Aug 28, 2011 at 22:13, Albert Y. C. Lai <trebla at vex.net
> <mailto:trebla at vex.net>> wrote:
>
>     On 11-08-28 04:53 PM, Brandon Allbery wrote:
>
>         That'd be expected; you shouldn't simply obliterate
>         package.conf.d, you
>         need to keep ghc's boot libraries (which include itself as a
>         library).
>           If the boot libraries are somehow hosed, you need to reinstall the
>         compiler to get them back.
>
>
>     Different package.conf.d
>
>
> Except that, as you discovered later, the user was obviously talking
> about having obliterated the system one.  :(

Explain to me why the following survives obliteration:

D:/Program Files/Haskell Platform/2011.2.0.1\lib\package.conf.d:
[...]
     base-4.3.1.0 (base-4.3.1.0-f520cd232cc386346843c4a12b63f44b)
     bin-package-db-0.0.0.0 
(bin-package-db-0.0.0.0-97d865e5935b41538bcb29fc1040ae7d)
[...]
     ffi-1.0 (builtin_ffi)
     (ghc-binary-0.5.0.2 
(ghc-binary-0.5.0.2-aba2b5dca5546ea1a972188de48f87b5))
     ghc-prim-0.2.0.0 (ghc-prim-0.2.0.0-e1f7c380581d61d42b0360d440cc35ed)
[...]
     integer-gmp-0.2.0.3 
(integer-gmp-0.2.0.3-91607778cf3ae8f3948a50062b4f8479)
     rts-1.0 (builtin_rts)
[...]