-
-# CSE interacts badly with the top-level IORefs in DriverState, 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 on this module.
+ghci/ByteCodeLink_HC_OPTS = -fvia-C
+
+# 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.
+# To be on the safe side, we disable CSE in *all* modules with top-level IORefs.
+compMan/CompManager_HC_OPTS = -fno-cse
+ghci/InteractiveUI_HC_OPTS = -fno-cse
+main/CmdLineOpts_HC_OPTS = -fno-cse
+main/DriverFlags_HC_OPTS = -fno-cse
+main/DriverMkDepend_HC_OPTS = -fno-cse
+main/DriverPipeline_HC_OPTS = -fno-cse