X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=ghc%2FMakefile;h=7e6b416cf351e3adf14e8d11dbf45e833f37b758;hb=f684f630a90eea64a13542c3bb0a1ab54a5067b7;hp=664df24c4a0e7c42bf523b071f10452d84dc66e7;hpb=34cc75e1a62638f2833815746ebce0a9114dc26b;p=ghc-hetmet.git

diff --git a/ghc/Makefile b/ghc/Makefile
index 664df24..7e6b416 100644
--- a/ghc/Makefile
+++ b/ghc/Makefile
@@ -1,3 +1,15 @@
+# -----------------------------------------------------------------------------
+#
+# (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
+#
+# -----------------------------------------------------------------------------
+
 dir = ghc
 TOP = ..
 SPEC_TARGETS = 1 2 3
@@ -14,3 +26,12 @@ include $(TOP)/mk/sub-makefile.mk
 3:
 	+$(TOPMAKE) stage=3 all_ghc_stage3 compiler_stage3_NO_BUILD_DEPS=YES
 
+.PHONY: extra-help
+help : extra-help
+extra-help :
+	@echo "  make 1"
+	@echo "  make 2"
+	@echo "  make 3"
+	@echo
+	@echo "     Build the stage 1, 2 or 3 GHC respectively, omitting dependencies"
+	@echo "     and initial phases for speed."