esac
;;
esac
+# As of UNICOS/mk 2.0.5.24 the shm* are in libc but unimplemented
+# (an attempt to use them causes a runtime error)
+# XXX Configure probe for really functional shm*() is needed XXX
+if test "$d_shm" = ""; then
+ d_shmat=${d_shmat:-undef}
+ d_shmdt=${d_shmdt:-undef}
+ d_shmget=${d_shmget:-undef}
+ d_shmctl=${d_shmctl:-undef}
+ case "$d_shmat$d_shmctl$d_shmdt$d_shmget" in
+ *"undef"*) d_shm="$undef" ;;
+ esac
+fi
+
+