--- a/make/HotspotWrapper.gmk	Fri Sep 05 12:42:41 2014 +0200
+++ b/make/HotspotWrapper.gmk	Thu Aug 28 11:58:49 2014 +0200
@@ -42,7 +42,7 @@
 # not doing it breaks builds on msys.
 $(HOTSPOT_OUTPUTDIR)/_hotspot.timestamp: $(HOTSPOT_FILES)
 	@$(MKDIR) -p $(HOTSPOT_OUTPUTDIR)
-	@($(CD) $(HOTSPOT_TOPDIR)/make && $(MAKE) -j1 $(HOTSPOT_MAKE_ARGS) SPEC=$(HOTSPOT_SPEC) BASE_SPEC=$(BASE_SPEC))
+	@($(CD) $(HOTSPOT_TOPDIR)/make && $(MAKE) $(HOTSPOT_MAKE_ARGS) SPEC=$(HOTSPOT_SPEC) BASE_SPEC=$(BASE_SPEC))
 	$(TOUCH) $@
 
 hotspot: $(HOTSPOT_OUTPUTDIR)/_hotspot.timestamp