/usr/bin/qmake-qt4 in qt-devel-4.8.7-34.fc28.x86_64 is not linked with the standard Fedora linker flags (LDFLAGS). More information about RPM macros to set CFLAGS and LDFLAGS is available here: https://src.fedoraproject.org/rpms/redhat-rpm-config/blob/master/f/buildflags.md
%changelog * Thu Feb 15 2018 Rex Dieter <rdieter> - 1:4.8.7-36 - qt: Fedora build flags only partially applied (#1543887)
qt-4.8.7-44.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2018-5f573e7590
qt-4.8.7-44.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-2018-5f573e7590
qt-4.8.7-44.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report.