Workaround for a bug affecting CMake < 0.30.3 and CPM >= 0.40.1 #21
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There seems to be a bug in CMake versions < 0.30.3 that gets triggered by CPM >= 0.40.1 ( see cpm-cmake/CPM.cmake#603 ). This PR ensures that the new code path is only used for CMake versions that have the fix