-#-----------------------------------------------------------------------------
-# $Id: Makefile,v 1.14 2000/11/06 13:14:52 simonmar Exp $
+# -----------------------------------------------------------------------------
#
-
-TOP=.
-include $(TOP)/mk/boilerplate.mk
-
+# (c) 2009 The University of Glasgow
#
-# subdir dependencies:
-# everything needs utils
-# includes/ needs driver (to easily c.pile mkNativeGen.c)
-# make depend except in {utils,driver} needs includes
-# RTS and compiler need includes
-#
-
+# This file is part of the GHC build system.
#
-# Order is important! It's e.g. necessary to descend into include/
-# before the rest to have a config.h, etc.
+# To understand how the build system works and how to modify it, see
+# http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
+# http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
#
-# If we're booting from .hc files, swap the order
-# we descend into compiler/ and lib/
-#
-ifeq "$(GhcWithHscBuiltViaC)" "NO"
-SUBDIRS = includes utils driver docs compiler rts lib
-else
-SUBDIRS = includes utils driver rts docs lib compiler
-endif
+# -----------------------------------------------------------------------------
+
+dir = ghc
+TOP = ..
+SPEC_TARGETS = 1 2 3
+include $(TOP)/mk/sub-makefile.mk
+
+FAST_MAKE_OPTS += compiler_stage1_NO_BUILD_DEPS=YES compiler_stage2_NO_BUILD_DEPS=YES compiler_stage3_NO_BUILD_DEPS=YES
-# Easier to copy
-ifeq "$(BIN_DIST)" "1"
-SUBDIRS := $(filter-out docs,$(SUBDIRS))
-endif
+.PHONY: 1 2 3
-ifeq ($(IncludeTestDirsInBuild),YES)
-SUBDIRS += tests
-endif
+1:
+ +$(TOPMAKE) stage=1 all_ghc_stage1 $(FAST_MAKE_OPTS)
-SRC_DIST_FILES += configure
+2:
+ +$(TOPMAKE) stage=2 all_ghc_stage2 $(FAST_MAKE_OPTS)
-DIST_CLEAN_FILES += ghc.spec config.status
-MAINTAINER_CLEAN_FILES += configure
+3:
+ +$(TOPMAKE) stage=3 all_ghc_stage3 $(FAST_MAKE_OPTS)
-include $(TOP)/mk/target.mk
+.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."