ifeq "$(BootingFromHc)" "YES"
GhcRTSWays=
else
-GhcRTSWays=thr thr_p debug
+GhcRTSWays=thr thr_p debug thr_debug
endif
# Option flags to pass to GHC when it's compiling modules in
WAY_debug_u_NAME=debug unregisterised
WAY_debug_u_HC_OPTS=-optc-DDEBUG -unreg
+# Way 'debug_s':
+WAY_debug_s_NAME=debug SMP
+WAY_debug_s_HC_OPTS=-optc-DDEBUG -smp
+
# Way 'thr_debug':
WAY_thr_debug_NAME=threaded
WAY_thr_debug_HC_OPTS=-optc-DTHREADED_RTS -optc-DDEBUG