[horde] New Install of Horde Failing

[John McIntyre]

2015-02-12 15:58 GMT+00:00 Vilius Sumskas/LNK <vilius at lnk.lt>:

> > Hi,
> > I have a Horde instance (5.1.2) running on a CentOS 6.5 server, and
> aside
> > from some issues with tasks and so forth, I've nothing but praise.
> Shared
> > calendars with my wife (even though she has to login on her phone using
> my
> > username but c'est la vie, n'est-ce pas?) is one of our favourite
> features.
> >
> > Anyway, I now have new server, and I want to export the old database,
> and
> > move it over.
> >
> > At the moment, horde, MySQL, apache, sendmail and dovecot all exist on
> the
> > same box.
> >
> > With my new instance, i will have:
> >
> > apache, horde on one server
> > MySQL on another server
> > sendmail/dovecot on another server
> >
> > I follow the instructions here:
> >
> > http://www.horde.org/apps/webmail/docs/INSTALL#prerequisites
> >
> > And when I get to pear install -a -B horde/webmail, the server tells me
> ...
>
> You don't have all requirements installed. Mainly missing dom and intl.
> Probably others.
>

I suspected as such.  But I followed the instructions on the above page.
Would you be able to tell me how to install these?  Very much appreciated.
:)