Announce: Haskell Platform 2012.4.0.0

[Ganesh Sittampalam]

On 07/11/2012 22:33, Johan Tibell wrote:
> On Wed, Nov 7, 2012 at 2:09 PM, Matthias Kilian <kili at outback.escape.de
> <mailto:kili at outback.escape.de>> wrote:
> 
>     Small safety hint for distributors: the haskell-platform.cabal file
>     mandates network == 2.3.1.0 and HTTP == 4000.2.5, but the latter
>     by default depends on  network >= 2.4 && < 2.5. So if you want to
>     avoid to include the same package in different versions (which at
>     least OpenBSD does), you'll have to configure HTTP with -fnetwork23
>     (which changes the dependency to network < 2.4).
> 
> 
>  I think HTTP can solve this in a better way, instead of using
> 
>     #ifdef NETWORK23
>     uriDefaultTo a b = maybe a id (a `relativeTo` b)
>     #else
>     uriDefaultTo a b = a `relativeTo` b
>     #endif
> 
> it could use
> 
>     #ifdef MIN_VERSION_network(2,4,0)
>     uriDefaultTo a b = a `relativeTo` b
>     #else
>     uriDefaultTo a b = maybe a id (a `relativeTo` b)
>     #endif
> 
> That way it will compile on both old and new network versions without
> any user interventions (including cabal flag).

This has already been changed in the most recent HTTP version, but
that's not in the platform.

Ganesh