cmake HAS_QUEUE examples

jiixyj/libebur128 ebur128/CMakeLists.txt :7 

try_compile(HAS_QUEUE ${CMAKE_CURRENT_BINARY_DIR}
                      ${CMAKE_CURRENT_BINARY_DIR}/queuetest.c)

jiixyj/libebur128 ebur128/CMakeLists.txt :13 

cmake_dependent_option(ENABLE_INTERNAL_QUEUE_H "Use own queue.h" OFF "HAS_QUEUE" ON)