# Setting .SUFFIXES to empty disables them all.
MAKEFLAGS += --no-builtin-rules
-# FPTOOLS_TOP is the *relative* path to the fptools toplevel directory from the
+# GHC_TOP is the *relative* path to the fptools toplevel directory from the
# location where a project Makefile was invoked. It is set by looking at the
# current value of TOP.
#
+GHC_TOP := $(TOP)
+
+# $(FPTOOLS_TOP) is the old name for $(GHC_TOP), kept for backwards compat
FPTOOLS_TOP := $(TOP)