```cmake
IF(APPLE)
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
ELSEIF (WIN32 OR UNIX)
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
ENDIF(APPLE)

ADD_BII_TARGETS()
```

Make Bii generate dynamic library
user
```cmake
IF(APPLE)
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
ELSEIF (WIN32 OR UNIX)
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
ENDIF(APPLE)

SET(BII_LIB_TYPE SHARED)

ADD_BII_TARGETS()
```
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