+#ifdef HAVE_GCC_HAS_NO_UNIT_AT_A_TIME
+ "-fno-unit-at-a-time",
+ -- unit-at-a-time doesn't do us any good, and screws
+ -- up -split-objs by moving the split markers around.
+ -- It's only turned on with -O2, but put it here just
+ -- in case someone uses -optc-O2.
+#endif