===>   gdm-2.14.8_1 depends on executable: zenity - not found
===>    Verifying install for zenity in /usr/ports/x11/zenity
===>  Building for zenity-2.14.2
gmake  all-recursive
gmake[1]: Entering directory `/usr/ports/x11/zenity/work/zenity-2.14.2'
Making all in src
gmake[2]: Entering directory `/usr/ports/x11/zenity/work/zenity-2.14.2/src'
gmake[2]: Nothing to be done for `all'.
gmake[2]: Leaving directory `/usr/ports/x11/zenity/work/zenity-2.14.2/src'
Making all in po
gmake[2]: Entering directory `/usr/ports/x11/zenity/work/zenity-2.14.2/po'
gmake[2]: Nothing to be done for `all'.
gmake[2]: Leaving directory `/usr/ports/x11/zenity/work/zenity-2.14.2/po'
Making all in data
gmake[2]: Entering directory `/usr/ports/x11/zenity/work/zenity-2.14.2/data'
gmake[2]: Nothing to be done for `all'.
gmake[2]: Leaving directory `/usr/ports/x11/zenity/work/zenity-2.14.2/data'
Making all in help
gmake[2]: Entering directory `/usr/ports/x11/zenity/work/zenity-2.14.2/help'
if ! test -d bg/; then mkdir bg/; fi
case "." in /*) sd=".";; *) sd="../.";; esac; \
if [ -f "C/zenity.xml" ]; then d="../"; else d="$sd/"; fi; \
(cd bg/ && \
  `which xml2po` -e -p \
    "${d}bg/bg.po" \
    "${d}C/zenity.xml" > zenity.xml.tmp && \
    cp zenity.xml.tmp zenity.xml && rm -f zenity.xml.tmp)
Traceback (most recent call last):
  File "/usr/X11R6/bin/xml2po", line 34, in ?
    import libxml2
  File "/usr/local/lib/python2.4/site-packages/libxml2.py", line 1, in ?
    import libxml2mod
ImportError: /usr/local/lib/python2.4/site-packages/libxml2mod.so: Undefined symbol "xmlXPathContextSetCache"
gmake[2]: *** [bg/zenity.xml] Error 1
gmake[2]: Leaving directory `/usr/ports/x11/zenity/work/zenity-2.14.2/help'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/ports/x11/zenity/work/zenity-2.14.2'
gmake: *** [all] Error 2
*** Error code 2

Stop in /usr/ports/x11/zenity.
*** Error code 1

Stop in /usr/ports/x11/gdm.