libfreetype.6.dylib
and cmake found /usr/local/opt/freetype/lib/libfreetype.dylib
on my system so the app could not be launched.
<img width="586" alt="libfreetype_not_found" src="https://user-images.githubusercontent.com/20344300/64082988-575afa00-cd18-11e9-9149-d8f7bc5e0119.png">