Squashed 'cmake/' content from commit 211d9df

git-subtree-dir: cmake
git-subtree-split: 211d9dfc843a123aaa7b2a0bf6587cc94382ac8d
Merge commit 'bef1042ef3a49c26450f1c69d8a5501f617ba51d' as 'cmake'
Try to turn on tests & collect coverage info.