SunStudio 11 omp.h OpenMP Problem

Hello Comunity

i have an Problem with the SunStudio 11. We have installed it on Suse 10.0. And now run an oenmp Sample Programm

I would like to start the compile with

cc -xopenmp omp_hello.c

and this message is given back

cc: language openmp not recognized

cc: language openmp not recognized

omp_hello.c: file not recognized: File format not recognized

collect2: ld returned 1 exit status

We have installed the SunStudio via the GUI installer!

Could someone help us?

Thank

[545 byte] By [Deficiency1984a] at [2007-11-27 3:02:53]