-#-----------------------------------------------------------------------------
-# $Id: Makefile,v 1.4 1997/03/17 20:34:29 simonpj Exp $
+# -----------------------------------------------------------------------------
#
-
-TOP=.
-include $(TOP)/mk/boilerplate.mk
-
-line = @echo "------------------------------------------------------------------------------"
-
+# (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.
#
-
-boot ::
- $(line)
- @echo "Booting Utils"
- $(line)
- @$(MAKE) -C utils boot depend
-
- $(line)
- @echo "Booting Driver"
- $(line)
- @$(MAKE) -C driver boot depend
-
- $(line)
- @echo "Booting Includes"
- $(line)
- @$(MAKE) -C includes boot depend
-
- $(line)
- @echo "Booting Runtime System"
- $(line)
- @$(MAKE) -C runtime boot depend
-
- $(line)
- @echo "Booting Docs"
- $(line)
- @$(MAKE) -C docs boot
-
- $(line)
- @echo "Booting Compiler"
- $(line)
- @$(MAKE) -C compiler boot
-
- $(line)
- @echo "Booting Prelude libraries"
- $(line)
- @$(MAKE) -C lib boot
-
-
-# "CONTRIB" is also a SUBDIR, but there is nothing to build there.
-#
-# leave out docs for the moment -- SOF
+# 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
#
-# Order is important! driver/ has to come before includes/ which
-# again has to come before the rest.
-#
-# If we're booting from .hc files, swap the order
-# we descend into compiler/ and lib/
-#
-ifeq "$(GhcWithHscBuiltViaC)" "NO"
-SUBDIRS = utils driver includes runtime compiler lib
-else
-SUBDIRS = utils driver includes runtime lib compiler
-endif
-
-include $(TOP)/mk/target.mk
+# -----------------------------------------------------------------------------
+
+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 $(FAST_MAKE_OPTS)
+
+2:
+ +$(TOPMAKE) stage=2 all_ghc_stage2 $(FAST_MAKE_OPTS)
+
+3:
+ +$(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."