don't use deprecated <target>_LIB_DEPENDS. CMP0073

cmake/libutils.cmake

@@ -323,11 +323,14 @@ MACRO(MERGE_LIBRARIES)
 ENDMACRO()
 
 FUNCTION(GET_DEPENDEND_OS_LIBS target result)
-  FOREACH(lib ${${target}_LIB_DEPENDS})
-    IF(NOT TARGET ${lib})
-      SET(ret ${ret} ${lib})
-    ENDIF()
-  ENDFOREACH()
+  GET_TARGET_PROPERTY(DEPS ${target} LINK_LIBRARIES)
+  IF(DEPS)
+    FOREACH(lib ${DEPS})
+      IF(NOT TARGET ${lib})
+        SET(ret ${ret} ${lib})
+      ENDIF()
+    ENDFOREACH()
+  ENDIF()
   SET(${result} ${ret} PARENT_SCOPE)
 ENDFUNCTION()