Horde won't install correctly

[andrew . clark]

I've been trying to get Horde to install on my unstable machine, and I've been 
having no end of problems.  Whenever the postinst script runs, either during a 
fresh install or a dpkg-reconfigure I get the following error message:

        pgsql extension for php4 found.
        Include of /etc/horde/apache.conf found in apache config files.
        index.php settings in /etc/apache/srm.conf found!
        index.php3 settings in /etc/apache/srm.conf found!
        Error when trying to connect to the pgsql database.
        This error can occur if you have no database to connect to, or
        if the password was incorrect.
        use: dpkg-reconfigure -plow packagename to reconfigure.
        Error when trying to connect to the pgsql database.
        This error can occur if you have no database to connect to, or
        if the password was incorrect.
        use: dpkg-reconfigure -plow packagename to reconfigure.

Looking through the postinst script, it seems that 
/usr/share/wwwconfig-common/pgsql-createdb and pqsql-createuser are both 
failing.

I tried to run these manually, and all is well until I get to

        elif ! $pgsqlcmd $systemdb -c "" >/dev/null 2>&1 ; then

Which I think would expand to:

        psql template1 -c ""

or

        psql template1 -c "" -U postgres

Which exit with:

        psql: FATAL 1:  user "root" does not exist

or

        psql: Peer authentication failed for user 'postgres'

respectivly.

If the later is run as the postgres user, it works fine.

I'm running:
        Package: postgresql
        Status: install ok installed
        Priority: optional
        Section: non-US
        Installed-Size: 7948
        Maintainer: Oliver Elphick <[EMAIL PROTECTED]>
        Version: 7.1release-4

        Package: postgresql-client
        Status: install ok installed
        Priority: optional
        Section: non-US
        Installed-Size: 676
        Maintainer: Oliver Elphick <[EMAIL PROTECTED]>
        Source: postgresql
        Version: 7.1release-4

        Package: wwwconfig-common
        Status: install ok installed
        Priority: optional
        Section: web
        Installed-Size: 169
        Maintainer: Ola Lundqvist <[EMAIL PROTECTED]>
        Version: 0.0.10

        Package: horde
        Status: install ok installed
        Priority: optional
        Section: web
        Installed-Size: 1735
        Maintainer: Ola Lundqvist <[EMAIL PROTECTED]>
        Version: 3:1.2.6-1


I can't figure out what's wrong, can anyone else?

Please CC any replies to [EMAIL PROTECTED]

R,

AJFC