Control: fixed -1 3.6.4-2.1 According to upstream, this bug is solved:
% git show --oneline 3522835b65 | head -1 3522835b6 Fixed issue with undefined CMAKE_SYSTEM_VERSION. % git tag --contains=3522835b65 DCMTK-3.6.4 DCMTK-3.6.5 DCMTK-3.6.5+_20191213 DCMTK-3.6.6
