+# In addition, the RTS is built in some further variations. Ways that
+# make sense here:
+#
+# thr : threaded
+# thr_p : threaded profiled
+# debug : debugging (compile with -g for the C compiler, and -DDEBUG)
+# debug_p : debugging profiled
+# debug_thr : debugging threaded
+# debug_thr_p : debugging threaded profiled
+#
+ifeq "$(BootingFromHc)" "YES"
+GhcRTSWays=
+else
+GhcRTSWays=thr thr_p debug
+endif
+