(run2) Rewrite CMake configuration in "modern CMake"
See LHCb!3126 (merged) LBCOMP-23, run2-patches version of !2416 (merged)
Requires Lbcom!570 (merged)
Edited by Marco Clemencic
See LHCb!3126 (merged) LBCOMP-23, run2-patches version of !2416 (merged)
Requires Lbcom!570 (merged)