Performance schema fails to compile on AIX

-- Performing Test HAVE_PTHREAD_THREADID_NP

-- Performing Test HAVE_PTHREAD_THREADID_NP - Success

-- Looking for gettid

-- Looking for gettid - not found

-- Performing Test HAVE_SYS_GETTID

-- Performing Test HAVE_SYS_GETTID - Failed

-- Performing Test HAVE_GETTHRID

-- Performing Test HAVE_GETTHRID - Success

-- Performing Test HAVE_PTHREAD_GETTHREADID_NP

-- Performing Test HAVE_PTHREAD_GETTHREADID_NP - Failed

-- Performing Test HAVE_INTEGER_PTHREAD_SELF

-- Performing Test HAVE_INTEGER_PTHREAD_SELF - Success

note HAVE_GETTHRID is passing on a warning meaning it isn't there

        /opt/freeware/bin/cc -DHAVE_GETTHRID  -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -maix64 -pthread -mcmodel=large -pie -fPIC  -std=gnu99 -o CMakeFiles/cmTC_f4e56.dir/src.c.o -c /home/buildbot/build_10.6/CMakeFiles/CMakeScratch/TryCompile-p35qgP/src.c

        /home/buildbot/build_10.6/CMakeFiles/CMakeScratch/TryCompile-p35qgP/src.c: In function 'main':

        /home/buildbot/build_10.6/CMakeFiles/CMakeScratch/TryCompile-p35qgP/src.c:5:28: warning: implicit declaration of function 'getthrid'; did you mean 'getsid'? [-Wimplicit-function-declaration]

            5 |   unsigned long long tid = getthrid();

              |                            ^~~~~~~~

              |                            getsid

[ 70%] Building CXX object storage/perfschema/CMakeFiles/perfschema.dir/pfs_program.cc.o

In file included from /home/buildbot/server_10.6/storage/perfschema/pfs.h:34,

                 from /home/buildbot/server_10.6/storage/perfschema/pfs_account.cc:30:

/home/buildbot/server_10.6/storage/perfschema/my_thread.h: In function 'my_thread_os_id_t my_thread_os_id()':

/home/buildbot/server_10.6/storage/perfschema/my_thread.h:64:3: error: 'pthread_threadid_np' was not declared in this scope

   64 |   pthread_threadid_np(nullptr, &tid64);

      |   ^~~~~~~~~~~~~~~~~~~