I have installed (= built with XCode) the QuickLook plugin OK and when opening a Finder and selecting a ROOT file and hitting “space” i can see the summary of the file content OK.
Then I have installed (= built with XCode) the SpotLight plugin, and copied the built plugin (ROOTSL.mdimportert) to /Library/Spotlight and even run from terminal
/usr/bin/mdimport -r /Library/Spotlight/ROOTSL.mdimporter
but when searching for some key words inside the ROOT file (e.g. the names of some branches) in spotlight it doesn’t seem find any of root files containing them.
I guess I have to rerun the indexing for spotlight somehow but not sure (unless it is done automatically).