what is wrong with pear?

[Per olof Ljungmark]

Per olof Ljungmark wrote:
> After a pkg_delete -r pear
> 
> I get
> 
> /usr/ports/devel/pear# portinstall pear
> [Updating the pkgdb <format:bdb_btree> in /var/db/pkg ... - 204 packages
> found (-34 +0) (...) done]
> [Gathering depends for devel/pear
> ......................................... done]
> --->  Installing 'pear-1.9.0' from a port (devel/pear)
> --->  Building '/usr/ports/devel/pear'
> ===>  Cleaning for pear-1.9.0
> ===>  Vulnerability check disabled, database not found
> ===>  Extracting for pear-1.9.0
> => MD5 Checksum OK for pear-1.9.0.tar.bz2.
> => SHA256 Checksum OK for pear-1.9.0.tar.bz2.
> ===>  Patching for pear-1.9.0
> ===>  Applying FreeBSD patches for pear-1.9.0
> ===>  Configuring for pear-1.9.0
> --->  Installing the new version via the port
> ===>  Installing for pear-1.9.0
> ===>   pear-1.9.0 depends on file: /usr/local/include/php/main/php.h - found
> ===>   pear-1.9.0 depends on file: /usr/local/lib/php/20060613/pcre.so -
> found
> ===>   pear-1.9.0 depends on file: /usr/local/lib/php/20060613/xml.so -
> found
> ===>   Generating temporary packing list
> ===>  Checking if devel/pear already installed
> *** Error code 254
> 
> Stop in /usr/ports/devel/pear.
> *** Error code 1
> 
> Stop in /usr/ports/devel/pear.
> ** Command failed [exit code 1]: /usr/bin/script -qa
> /tmp/portinstall20090930-15477-xp5bhw-0 env make reinstall
> ** Fix the installation problem and try again.
> ** Listing the failed packages (-:ignored / *:skipped / !:failed)
>         ! devel/pear    (install error)

Well, to answer myself, I don't know. After a pkg_delete -a pear 
installed ok again...