Description of problem: Can %set_build_flags et al be backported from F28? This would help with spec file portability. Otherwise harder to use it for f28 packages only.
https://src.fedoraproject.org/rpms/redhat-rpm-config/pull-request/20
redhat-rpm-config-73-1.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2018-ad05c5a71e
redhat-rpm-config-74-1.fc27 has been pushed to the Fedora 27 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-ad05c5a71e
redhat-rpm-config-75-1.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2018-ad05c5a71e
redhat-rpm-config-75-1.fc27 has been pushed to the Fedora 27 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-ad05c5a71e
redhat-rpm-config-75-1.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report.