The Qt project had some windows libraries: https://code.qt.io/cgit/qt-creator/elfutils.git/ https://download.qt.io/development_releases/prebuilt/elfutils/
Those are somewhat outdated, unfortunately. Contributions through our code review system at https://codereview.qt-project.org are always welcome. See https://codereview.qt-project.org/q/project:qt-creator%252Felfutils for older changes, and please add me as a reviewer if you push something.
cheers, Ulf