[cmake] Test no-target and optional

cmake @ 3ae8e885

-Subproject commit 30355b70d6f78089c790232d0e7bc67719d842b4
+Subproject commit 3ae8e885b8a217f2b8844119c01d33eb46fdd689

tests/CMakeLists.txt

@@ -35,7 +35,10 @@ SET_TARGET_PROPERTIES(${PYTHON_MODULE} PROPERTIES
   PREFIX ""
   OUTPUT_NAME ${LIBRARY_NAME}/wrap)
 
-TARGET_LINK_LIBRARIES(${PYTHON_MODULE} "-Wl,--no-as-needed")
+IF(UNIX AND NOT APPLE)
+  TARGET_LINK_LIBRARIES(${PYTHON_MODULE} "-Wl,--no-as-needed")
+ENDIF(UNIX AND NOT APPLE)
+
 TARGET_LINK_LIBRARIES(${PYTHON_MODULE} ${LIBRARY_NAME} ${PYTHON_LIBRARY})
 TARGET_INCLUDE_DIRECTORIES(${PYTHON_MODULE} SYSTEM PUBLIC ${PYTHON_INCLUDE_DIRS})