--include $(TOP)/mk/paths.mk
--include $(TOP)/mk/opts.mk
--include $(TOP)/mk/version.mk
--include $(TOP)/mk/suffix.mk
-
-# -----------------------------------------------------------------
-# Override $(libdir) and $(datadir), so GHC stuff gets installed
-# into a suitable subdirectory of $(libdir).
-
-libdir := $(libdir)/$(ProjectNameShort)-$(ProjectVersion)
-datadir := $(datadir)/$(ProjectNameShort)-$(ProjectVersion)
+-include $(GHC_TOP)/mk/config.mk
+-include $(GHC_TOP)/mk/paths.mk
+-include $(GHC_TOP)/mk/opts.mk
+-include $(GHC_TOP)/mk/suffix.mk