It is looking by default into /usr/bin for all packages, maybe this should be changed to the PATH variable, or even all the files under /etc/paths.d in Mac Os X.

On Tue, Nov 11, 2008 at 12:06 AM, Duncan Coutts <duncan.coutts@worc.ox.ac.uk> wrote:

On Mon, 2008-11-10 at 17:08 +0000, Hugo Pacheco wrote:
> Hi guys,
>
>
> I am having an hard time installing the haskell-src and
> haskell-src-exts packages, since both seem to have problems with
> happy.
> I have installed happy 1.18.2 successfully, but it does not seem to be
> visible (although the happy executable is in my path).

Are you sure the version of happy that is on your $PATH is the version
that you just installed? Check:

$ happy --version

You can run the install with -v and it'll give more details of how it
looks for happy and if it cannot find it.

Duncan