_GNU_SOURCE        64 opal/mca/event/libevent2022/libevent/include/event2/util.h #if !defined(_GNU_SOURCE)
_GNU_SOURCE        24 opal/mca/hwloc/hwloc201/hwloc/include/hwloc/glibc-sched.h #if !defined _GNU_SOURCE || !defined _SCHED_H || (!defined CPU_SETSIZE && !defined sched_priority)
_GNU_SOURCE        18 opal/mca/hwloc/hwloc201/hwloc/include/netloc.h #ifndef _GNU_SOURCE
_GNU_SOURCE        15 opal/mca/hwloc/hwloc201/hwloc/include/netlocscotch.h #ifndef _GNU_SOURCE