cross gcc compiler on OpenSUSE

Hi All

I want to create build machine for three architecture (i386, amd64 and ia64) on 32bit machine on OpenSUSE 10.0

I installed:
cross-i386-gcc-icecream-backend-4.3.1_20080507-7.1
cross-i386-binutils-2.18.50.20080409-12.1

cross-x86_64-gcc-icecream-backend-4.3.1_20080507-7.1
cross-x86_64-binutils-2.18.50.20080409-12.1

cross-ia64-gcc-icecream-backend-4.3.1_20080507-7.1
cross-ia64-binutils-2.18.50.20080409-12.1

And what now?

I try create with mini howto, but i do not understand some step, and i get many errors :S
cross compiler mini howto
How to build an i386->Sparc Linux cross-compiler using GCC

Please help me.

BR
// Kolesar