hanumizzle has packaged ghc-6.8.1 for VL5.9
You can find it here:
http://vectorlinux.osuosl.org/veclinux-5.9/testing/dev/ghc-6.8.1-i586-1vl59.tlzSource:
http://vectorlinux.osuosl.org/veclinux-5.9/source/testing/dev/ghc/ghc: ghc 6.8.1
ghc:
ghc: GHC (Glasgow Haskell Compiler) GHC is the de facto standard open source
ghc: compiler and interactive environment for the Haskell programming
ghc: language. It supports the Haskell 98 standard and numerous extensions, in
ghc: addition to generating fast native code on various platforms.
Please let us know if this package works for you, or any problems in this thread.