Minor refactoring

[ghc-hetmet.git] / compiler / Makefile

diff --git a/compiler/Makefile b/compiler/Makefile
index f85e1c8..cde254a 100644 (file)
--- a/compiler/Makefile
+++ b/compiler/Makefile
@@ -1,16 +1,39 @@
+# -----------------------------------------------------------------------------
+#
+# (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 = compiler
 TOP = ..
 SPEC_TARGETS = 1 2 3
 include $(TOP)/mk/sub-makefile.mk
 
+FAST_MAKE_OPTS += compiler_stage1_NO_BUILD_DEPS=YES compiler_stage2_NO_BUILD_DEPS=YES compiler_stage3_NO_BUILD_DEPS=YES
+
 .PHONY: 1 2 3
 
 1:
-       +$(TOPMAKE) stage=1 all_ghc_stage1 compiler_stage1_NO_BUILD_DEPS=YES
+       +$(TOPMAKE) stage=1 all_ghc_stage1 $(FAST_MAKE_OPTS)
 
 2:
-       +$(TOPMAKE) stage=2 all_ghc_stage2 compiler_stage2_NO_BUILD_DEPS=YES
+       +$(TOPMAKE) stage=2 all_ghc_stage2 $(FAST_MAKE_OPTS)
 
 3:
-       +$(TOPMAKE) stage=3 all_ghc_stage3 compiler_stage3_NO_BUILD_DEPS=YES
+       +$(TOPMAKE) stage=3 all_ghc_stage3 $(FAST_MAKE_OPTS)
 
+.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."