hi i'm getting this error while building gtk2+-2.10.9

creating gtk-update-icon-cache
gmake[3]: Leaving directory `/usr/pkgsrc/x11/gtk2/work/gtk+-2.10.9/gtk'
GDK_PIXBUF_MODULE_FILE=3D../gdk-pixbuf/gdk-pixbuf.loaders
./gtk-update-icon-cache --force --ignore-theme-index            \
           --source builtin_icons stock-icons > gtkbuiltincache.h.tmp
&&        \
        mv gtkbuiltincache.h.tmp gtkbuiltincache.h
GLib: Cannot convert message: Umwandlung von Zeichensatz =C2=BBUTF-8=C2=AB =
in
=C2=BB646=C2=AB wird nicht unterst=C3=BCtzt
No theme index file in '--force'.
If you really want to create an icon cache here, use --ignore-theme-index.
gmake[2]: *** [gtkbuiltincache.h] Fehler 1
gmake[2]: Leaving directory `/usr/pkgsrc/x11/gtk2/work/gtk+-2.10.9/gtk'
gmake[1]: *** [all-recursive] Fehler 1
gmake[1]: Leaving directory `/usr/pkgsrc/x11/gtk2/work/gtk+-2.10.9'
gmake: *** [all] Fehler 2
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/x11/gtk2
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/x11/gtk2




Any Ideas?
Z.