Hi, I am running FC3 and want to upgrade to gcc 4.0. I tried to upgrade using yum by enabling the development repository. yum failed with the error 'unsigned package libgcc'. Now I want to try my luck by upgrading it from FC4T2 repo. Can someone post the yum repo file for upgrading from FC4T2? Regards, Raja. -- The most important of life's battles is the one we fight daily in the silent chambers of the soul.