mozilla installation

[Mehmet Fatih AKBULUT]

hi all.
when i start to install mozilla from portstree i get such an error below.

b -lX11 -Wl,--rpath -Wl,/usr/local/lib -L/usr/local/lib -L/usr/X11R6/lib -
lpangocairo-1.0 -lpangoft2-1.0 -lfontconfig -lfreetype -lz -lpango-1.0 -lm -
latk-1.0 -lgobject-2.0 -lgmodule-2.0 -lglib-2.0 -liconv -lcairo -lm
xdgmime/libxdgmime.la
gnome-libtool: link: `gtktoggleaction.lo' is not a valid libtool object
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20/work/gtk+-2.8.7/gtk.
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20/work/gtk+-2.8.7/gtk.
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20/work/gtk+-2.8.7/gtk.
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20/work/gtk+-2.8.7.
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20/work/gtk+-2.8.7.
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20.
*** Error code 1

Stop in /usr/ports/www/mozilla.


what should i do ?
any suggestion ?

help please ...