Eclipse-cdt is required by a number of packages on arm, as we already add support for arm ourself in eclipse platform it makes sense to do that for cdt too.
eclipse-cdt-8.1.0-0.6.junom6.fc17 has been submitted as an update for Fedora 17. https://admin.fedoraproject.org/updates/eclipse-cdt-8.1.0-0.6.junom6.fc17
Package eclipse-cdt-8.1.0-0.6.junom6.fc17: * should fix your issue, * was pushed to the Fedora 17 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing eclipse-cdt-8.1.0-0.6.junom6.fc17' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-7045/eclipse-cdt-8.1.0-0.6.junom6.fc17 then log in and leave karma (feedback).
eclipse-cdt-8.1.0-0.6.junom6.fc17 has been pushed to the Fedora 17 stable repository. If problems still persist, please make note of it in this bug report.