+# -----------------------------------------------------------------------------
+#
+# (c) 2009 The University of Glasgow
+#
+# This file is part of the GHC build system.
+#
+# To understand how the build system works and how to modify it, see
+# http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
+# http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
+#
+# -----------------------------------------------------------------------------
+
+# If the user says 'make' or 'make stage=2' here, we behave as if they were
+# in the ghc directory instead, so that the executable GHC gets built.
+.PHONY: default_to_ghc all_ghc
+default_to_ghc : all_ghc
+