The currently available packages for c-ares in Fedora are missing the CMake configurations needed to find c-ares. This is required to built things like gRPC. This can probably be fixed by adding this line to the ` %files devel` section: %{_libdir}/cmake/c-ares/
c-ares-1.15.0-3.fc30 has been submitted as an update to Fedora 30. https://bodhi.fedoraproject.org/updates/FEDORA-2019-489ae8402d
c-ares-1.15.0-3.fc30 has been pushed to the Fedora 30 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-2019-489ae8402d
c-ares-1.15.0-3.fc30 has been pushed to the Fedora 30 stable repository. If problems still persist, please make note of it in this bug report.