Troubles upgrading RoundCube

[Andrea Venturoli]

Hello.

While trying to upgrade RoundCube, it seems to look for php in the wrong 
place:

> # portupgrade -R roundcube
> [Gathering depends for mail/roundcube ........................................................................................................................................................................................................................... done]
> [Exclude up-to-date packages ....................................................................... done]
> --->  Upgrading 'roundcube-0.9.5,1' to 'roundcube-1.0.0,1' (mail/roundcube)
> --->  Building '/usr/ports/mail/roundcube'
> ===>  Cleaning for roundcube-1.0.0,1
> /!\ WARNING /!\
> pkg_install EOL is scheduled for 2014-09-01. Please consider migrating to pkgng
> http://blogs.freebsdish.org/portmgr/2014/02/03/time-to-bid-farewell-to-the-old-pkg_-tools/
> If you do not want to see this message again set NO_WARNING_PKG_INSTALL_EOL=yes in your make.conf
>
> ===>  License GPLv3 accepted by the user
> ===>  Found saved configuration for roundcube-1.0.0,1
> ===> Fetching all distfiles required by roundcube-1.0.0,1 for building
> ===>  Extracting for roundcube-1.0.0,1
> => SHA256 Checksum OK for roundcubemail-1.0.0.tar.gz.
> ===>  Patching for roundcube-1.0.0,1
> ===>  Applying FreeBSD patches for roundcube-1.0.0,1
> ===>  Configuring for roundcube-1.0.0,1
> ===>  Staging for roundcube-1.0.0,1
> ===>   roundcube-1.0.0,1 depends on file: /usr/local/include/php/main/php.h - found
> ===>   roundcube-1.0.0,1 depends on file: /usr/local//libphp5.so - not found
                                             ^^^^^^^^^^^^^^^^^^^^^^
> ===>    Verifying install for /usr/local//libphp5.so in /usr/ports/lang/php53

So it tries to install php, which is already installed and fails.

Where could this come from?
How can I get around it?

  bye & Thanks
         av.