install problems: missing giflib30?

[Thorsten Gecks [BB Mathematik/Physik]]

The ./configure script puts this on my screen:

> > checking for killpg in -lucb... no
> > checking for Qt... libraries /usr/lib, headers /usr/lib/qt/include
> > checking if Qt compiles without flags... yes
> > checking for moc... /usr/bin/moc
> > checking for rpath... yes
> > checking for bool... yes
> > checking for KDE... libraries /opt/kde//lib, headers /opt/kde//include
> > checking for KDE paths... compiling
> > checking for KDE headers installed... yes
> > checking for KDE libraries installed... yes
> > done
> > 
> > 
> > checking for giflib... configure: error: You need giflib30. Please install
> > the kdesupport package  


What is exactly missing ? I have kdesupport-1.1.1-2 installed on my RH 5.2
system (I'm running glibc 2.1 and Kernel 2.2.10).

Thorsten Gecks