find_package: Use <PACKAGENAME>_ROOT variables as search prefixes
Extend !1858 (merged) to also check upper-case <PACKAGENAME>_ROOT variables. Add policy CMP0144 to enable the behavior in a compatible way.
Fixes: #24403 (closed)
Extend !1858 (merged) to also check upper-case <PACKAGENAME>_ROOT variables. Add policy CMP0144 to enable the behavior in a compatible way.
Fixes: #24403 (closed)