+# how do you do "VAR=\" ? BLEAGH!
+BACKSLASH=$(subst a,\,a)
+ifeq (,$(findstring $(OSTYPE),"cygwin!msys"))
+ PATH_SEPARATOR:=$(BACKSLASH)
+ PATH_SUBST=/
+else
+ PATH_SEPARATOR=/
+ PATH_SUBST:=$(BACKSLASH)
+endif
+
+#ARCHINCDIR=$(subst $(PATH_SUBST),$(PATH_SEPARATOR),$(WXDIR)/lib/msw$(INCEXT))
+ARCHINCDIR=$(WXDIR)/lib/$(TOOLKIT)$(INCEXT)