GDK_WINDOW_TYPE_HINT_DOCK not found

[who_ami siedziba pl]

hi!

I can't compile a program that uses gtk+-2.0.
I get

docklet.c: In function `create_docklet':
docklet.c:54: `GDK_WINDOW_TYPE_HINT_DOCK' undeclared (first use in this
function
)
docklet.c:54: (Each undeclared identifier is reported only once
docklet.c:54: for each function it appears in.)


some info from my system

root luser /]# pkg-config --cflags gtk+-2.0
-I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0
-I/usr/include/pango-1.0 -I/usr/ include/Xft2 -I/usr/include/freetype2
-I/usr/X11R6/include -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include


[root luser /]# grep -r GDK_WINDOW_TYPE_HINT_DO /usr/include/gtk-2.0/
[root luser /]#

[root luser /]# rpm -qa | grep -i gtk
pygtk2-1.99.12-7
gtk2-engines-1.9.0-4
gtkhtml-1.0.4-3
gtk2-2.0.6-8
authconfig-gtk-4.2.12-3
gtk-engines-0.11-13
gtkhtml2-2.0.1-2
mtr-gtk-0.49-7
usermode-gtk-1.63-1
pygtk2-devel-1.99.12-7
gtk+-devel-1.2.10-22
gtk2-devel-2.0.6-8
gtkam-0.1.4-6
gtk+-1.2.10-22
pygtk2-libglade-1.99.12-7
gnome-python2-gtkhtml2-1.99.11-8
gtkhtml-devel-1.0.4-3



[root luser /]# find /usr/include -name gdkwindow.h
/usr/include/gtk-2.0/gdk/gdkwindow.h


what's wrong? my system is RH8.0. the program compiles fine on other
distros (for example slackware).


regards
hubert s.