う〜ん、謎だ

gmake[2]: Leaving directory `/usr/ports/sysutils/gnome-power-manager/work/gnome-power-manager-2.24.4/po'
Making all in docs
gmake[2]: Entering directory `/usr/ports/sysutils/gnome-power-manager/work/gnome-power-manager-2.24.4/docs'
gmake[2]: Nothing to be done for `all'.
gmake[2]: Leaving directory `/usr/ports/sysutils/gnome-power-manager/work/gnome-power-manager-2.24.4/docs'
Making all in man
gmake[2]: Entering directory `/usr/ports/sysutils/gnome-power-manager/work/gnome-power-manager-2.24.4/man'
docbook2man gnome-power-manager.sgml > gnome-power-manager.1
gmake[2]: *** [gnome-power-manager.1] Error 8
gmake[2]: Leaving directory `/usr/ports/sysutils/gnome-power-manager/work/gnome-power-manager-2.24.4/man'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/ports/sysutils/gnome-power-manager/work/gnome-power-manager-2.24.4'
gmake: *** [all] Error 2
*** Error code 1

Stop in /usr/ports/sysutils/gnome-power-manager.
** Command failed [exit code 1]: /usr/bin/script -qa /tmp/portupgrade20090621-33150-r37xyr-0
env UPGRADE_TOOL=portupgrade UPGRADE_PORT=gno
** Fix the problem and try again.