cmake DH_HAVE_CAMERON314_CONCURRENTQUEUE examples

Qihoo360/evpp evpp/CMakeLists.txt :44 

target_compile_definitions(evpp_concurrentqueue PRIVATE -DH_HAVE_CAMERON314_CONCURRENTQUEUE=1)

Qihoo360/evpp evpp/CMakeLists.txt :45 

target_compile_definitions(evpp_concurrentqueue_static PRIVATE -DH_HAVE_CAMERON314_CONCURRENTQUEUE=1)