-#-----------------------------------------------------------------------------
-# $Id: Makefile,v 1.2 1996/11/21 16:46:26 simonm Exp $
-
-TOP=..
-include $(TOP)/ghc/mk/ghc.mk
-
-line = @echo "------------------------------------------------------------------------------"
-
-define BuildLibs
-$(line)
-@echo "Building Libraries"
-$(line)
-@$(MAKE) -C lib depend all
-endef
-
-define BuildCompiler
-$(line)
-@echo "Building Compiler"
-$(line)
-@$(MAKE) -C compiler depend all
-endef
-
-# dependencies:
-# everything needs utils
-# includes needs driver (for mkNativeGen.c)
-# make depend except in {utils,driver} needs includes
-# RTS and compiler need includes
-
-boot ::
- $(line)
- @echo "Building Utils"
- $(line)
- @$(MAKE) -C utils depend all
-
- $(line)
- @echo "Building Driver"
- $(line)
- @$(MAKE) -C driver all
-
- $(line)
- @echo "Building Includes"
- $(line)
- @$(MAKE) -C includes all
-
- $(line)
- @echo "Building Runtime System"
- $(line)
- @$(MAKE) -C runtime depend all
-
- $(line)
- @echo "Building Docs"
- $(line)
- @$(MAKE) -C docs depend all
-
-ifeq ($(HaskellCompilerType), HC_USE_HC_FILES)
- $(BuildLibs)
- $(BuildCompiler)
-else
- $(BuildCompiler)
- $(BuildLibs)
-endif
-
-# "CONTRIB" is also a SUBDIR, but there is nothing to build there.
-SUBDIRS = utils driver includes runtime docs compiler lib
-
-# Make the required directories for install.
-
-install_dirs ::
- $(MKDIRHIER) $(INSTBINDIR_GHC)
- $(MKDIRHIER) $(INSTSCRIPTDIR_GHC)
- $(MKDIRHIER) $(INSTLIBDIR_GHC)
- $(MKDIRHIER) $(INSTLIBDIR_GHC)/includes
- $(MKDIRHIER) $(INSTDATADIR_GHC)
- $(MKDIRHIER) $(INSTDATADIR_GHC)/includes
- $(MKDIRHIER) $(INSTDATADIR_GHC)/imports
-
-install :: install_dirs
-
-include $(TOP)/mk/subdir.mk
+# -----------------------------------------------------------------------------
+#
+# (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
+include $(TOP)/mk/sub-makefile.mk
+
+FAST_MAKE_OPTS += compiler_stage1_NO_BUILD_DEPS=YES \
+ compiler_stage2_NO_BUILD_DEPS=YES \
+ compiler_stage3_NO_BUILD_DEPS=YES \
+ ghc_stage1_NO_BUILD_DEPS=YES \
+ ghc_stage2_NO_BUILD_DEPS=YES \
+ ghc_stage3_NO_BUILD_DEPS=YES
+
+.PHONY: 1 2 3
+
+1:
+ +$(TOPMAKE) stage=1 all_ghc_stage1 $(FAST_MAKE_OPTS) NO_STAGE1_DEPS=YES NO_STAGE2_DEPS=YES
+
+2:
+ +$(TOPMAKE) stage=2 all_ghc_stage2 $(FAST_MAKE_OPTS) NO_STAGE2_DEPS=YES
+
+3:
+ +$(TOPMAKE) stage=3 all_ghc_stage3 $(FAST_MAKE_OPTS) NO_STAGE3_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."