Changelog for compat-gcc-34-3.4.6-4.x86_64.rpm :

* Thu Aug 24 2006 Jakub Jelinek 3.4.6-4- buildrequire elfutils-devel, so that libgcc_s is properly built on ia64- on ppc
*/s390
* make sure all needed math
*l stubs are included- add -lnldbl_nonshared to ppc
*/s390
* specs
* Thu Aug 10 2006 Jakub Jelinek 3.4.6-3- new compat package