gnome_upgrade.sh error

[Jason Trickett]

I ran into this:

===>  Installing for glib-2.8.4

===>   glib-2.8.4 depends on file: /usr/local/bin/perl5.8.7 - found

===>   glib-2.8.4 depends on executable: pkg-config - found

===>   Generating temporary packing list

===>  Checking if devel/glib20 already installed

===>   An older version of devel/glib20 is already installed (glib-2.6.6)

      You may wish to ``make deinstall'' and install this port again

      by ``make reinstall'' to upgrade it properly.

      If you really wish to overwrite the old port of devel/glib20

      without deleting it first, set the variable "FORCE_PKG_REGISTER"

      in your environment or the "make install" command line.

*** Error code 1



Stop in /usr/ports/devel/glib20.

*** Error code 1



Stop in /usr/ports/accessibility/atk.

*** Error code 1



Stop in /usr/ports/misc/gnome-icon-theme.

** Command failed [exit code 1]: /usr/bin/script -qa 
/tmp/portupgrade83563.0 make BATCH=yes GNOME_UPGRADE_SH_VER=2.12-3 
DISABLE_VULNERABILITIES=1
** Fix the problem and try again.
** Listing the failed packages (*:skipped / !:failed)
    ! misc/gnome-icon-theme (gnome-icon-theme-2.10.1_1)    (new compiler 
error)
--->  Packages processed: 0 done, 0 ignored, 0 skipped and 1 failed
INFO: GNOME upgrade FAILED at Fri Nov 25 02:23:07 EST 2005


So what can I do to get around this? Thanks. And in upgrading to gnome 
2.12 are these errors going to occur often? This is the first time i've 
tried this.

-- Jason