--- ceph-17.2.0-359-gb2fe9ec8/cmake/modules/CheckCxxAtomic.cmake.orig 2022-06-03 08:45:32.341075140 -0400
+++ ceph-17.2.0-359-gb2fe9ec8/cmake/modules/CheckCxxAtomic.cmake 2022-06-03 08:46:47.195775813 -0400
@@ -21,6 +21,7 @@
// We specifically test access via an otherwise unknown pointer here
// to ensure we get the most complex case. If this access can be
// done without libatomic, then all accesses can be done.
+bool atomic16(std::atomic<unsigned __int128> *ptr) __attribute__ ((used));
bool atomic16(std::atomic<unsigned __int128> *ptr)
{
return *ptr != 0;