utils/FastMutInt_HC_OPTS += -O
+# ---- Profiling ----
+#simplCore/Simplify_HC_OPTS = -auto-all
+#simplCore/SimplEnv_HC_OPTS = -auto-all
+#simplCore/SimplUtils_HC_OPTS = -auto-all
+
# CSE interacts badly with top-level IORefs (reportedly in DriverState and
# DriverMkDepend), causing some of them to be commoned up. We have a fix for
# this in 5.00+, but earlier versions of the compiler will need CSE turned off.