CMAKE_FIND_FRAMEWORK
This variable affects how find_* commands choose between OS X Frameworks and unix-style package components.
On Darwin or systems supporting OS X Frameworks, the CMAKE_FIND_FRAMEWORK variable can be set to empty or one of the following:
- 
FIRST
- Try to find frameworks before standard libraries or headers. This is the default on Darwin.
- 
LAST
- Try to find frameworks after standard libraries or headers.
- 
ONLY
- Only try to find frameworks.
- 
NEVER
- Never try to find frameworks.
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Licensed under the BSD 3-clause License.
    https://cmake.org/cmake/help/v3.5/variable/CMAKE_FIND_FRAMEWORK.html