For Lucid, there's various ppas. This one looks like it'll give you
ghc7 on Lucid:
https://launchpad.net/~mbeloborodiy/+archive/ppa
For the latest Ubuntu, you can just pull from the standard repos
arthur@jumpjet:/etc/apt$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 11.10
Release: 11.10
Codename: oneiric
arthur@jumpjet:/etc/apt$ apt-cache search haskell-platform
haskell-platform - Standard Haskell libraries and tools
haskell-platform-doc - Standard Haskell libraries and tools; documentaion
haskell-platform-prof - Standard Haskell libraries and tools;
profiling libraries
arthur@jumpjet:/etc/apt$ ghc --version
The Glorious Glasgow Haskell Compilation System, version 7.0.3
--
Arthur Clune arthur@clune.org
On Tue, Jan 3, 2012 at 7:39 PM, Manfred Lotz
Let's say I'd like to have a ghc 7.0x on Ubuntu Lucid. It seems that Lucid has ghc6 by default.