[...]

8. The binaries do not work on Leopard (10.5.8).

  $ /usr/local/bin/cabal
  dyld: unknown required load command 0x80000022
  Trace/BPT trap

This was previously reported at http://thread.gmane.org/gmane.comp.lang.haskell.cafe/71747/focus=71944 and Gregory Collins is apparently working on a fix. I'm happy to test a new version, but it would be nice to have an uninstaller (that cleans up the symlinks in /usr/local/bin too).

Regards,
Sean