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rtapi_app: clang 22 needs -latomic for linking on amd64 - #4716
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Compiling with clang 22 (Fedora 44) results in an undefined reference to
__atomic_compare_exchangewhen linkingrtapi_app. It requires linking with the-latomiclibrary.The reason is in the use of
boost::lockfree::queueinuspace_rtapi_main.cc, which, apparently, cannot operate without the atomic library when using clang.