[web-devel] Yesod beginner

Michael Snoyman michael at snoyman.com
Thu Jun 16 04:52:32 CEST 2011

On Thu, Jun 16, 2011 at 12:46 AM, anthropornis <anthropornis at gmail.com> wrote:
> Hello,
> I was following the "Yesod in Five Minutes Instructions" and I had a couple
> of bumps in the road.
> The first one was when trying to do step 6, I get the following terminal
> output:
>    unrecognized option `--only-dependencies'
> After ignoring that for the moment, I proceeded to trying to run the devel
> server and I get this terminal output:
>    yesod: user error (At least the following dependencies are missing:
>    persistent-postgresql ==0.5.*)
> I'm guessing the second error may be related to the first, maybe
> persistent-postgresql was one of those dependencies that was supposed to be
> installed?
> I did create the Postgres databases and user specified in the Yesod app
> config file.
> I'm using this PPA on Ubuntu 11.04 64-bit, as the repo version of the
> Haskell Platform seems to be broken:
>    https://launchpad.net/~brcha/+archive/ppa
> Thanks for any insight.

Try just plain "cabal install", the "--only-dependencies" is available
in newer versions of the "cabal" tool. I'm going to remove it from the


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