New in version 3.4.
This variable affects how
find_* commands choose between
macOS Frameworks and unix-style package components.
On Darwin or systems supporting macOS Frameworks, the
CMAKE_FIND_FRAMEWORK variable can be set to empty or
one of the following:
Try to find frameworks before standard libraries or headers. This is the default on Darwin.
Try to find frameworks after standard libraries or headers.
Only try to find frameworks.
Never try to find frameworks.