OVS_CHECK_MALLOC_HOOKS
OVS_CHECK_VALGRIND
OVS_CHECK_SOCKET_LIBS
-OVS_CHECK_LINKER_SECTIONS
OVS_CHECK_XENSERVER_VERSION
OVS_CHECK_GROFF
OVS_CHECK_GNU_MAKE
OVS_CHECK_TLS
+OVS_CHECK_ATOMIC_LIBS
OVS_CHECK_GCC4_ATOMICS
OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE(1)
OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE(2)