emerge gtkglext failed

[matroskin]

hi
can't emerge gtkglext. here is a log
% emerge -p gtkglext

These are the packages that I would merge, in order:

Calculating dependencies ...done!
[ebuild N ] x11-libs/gtkglext-0.5.0

% emerge gtkglext
[skiped]

gdkglpixmap.c: In function `gdk_gl_pixmap_class_init':
gdkglpixmap.c:230: structure has no member named `_draw_pixbuf'
gdkglpixmap.c: In function `gdk_gl_pixmap_draw_pixbuf':
gdkglpixmap.c:649: structure has no member named `_draw_pixbuf'
make[4]: *** [gdkglpixmap.lo] Error 1
make[4]: Leaving directory `/var/tmp/portage/gtkglext-0.5.0/work/gtkglext-0.5.0/gdk'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/var/tmp/portage/gtkglext-0.5.0/work/gtkglext-0.5.0/gdk'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/var/tmp/portage/gtkglext-0.5.0/work/gtkglext-0.5.0/gdk'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/tmp/portage/gtkglext-0.5.0/work/gtkglext-0.5.0'
make: *** [all] Error 2

!!! ERROR: x11-libs/gtkglext-0.5.0 failed.
!!! Function src_compile, Line 33, Exitcode 2
!!! (no error message)

[matroskin]

it is already reported in bug tracker
i should look there first