1, create mac dylib project
2, click Target -> Build Settings -> Search "Dynamic Library Install Name" and change to "@executable_path/../Frameworks/$(EXECUTABLE_PATH)"
3, build
4, create mac application project
5, add dylib file to application project
6, click Target -> Build Phases -> add Build Phase -> add copy files -> select Destination to "Frameworks" -> drag dylib file
7, set "Framework Search Paths" to " @executable_path/../Frameworks/ "
8, build.