Do the dependency-omitting for 'make 1' in a slightly different way

[ghc-hetmet.git] / ghc / Makefile

diff --git a/ghc/Makefile b/ghc/Makefile
index 3876e1b..d903517 100644 (file)
--- a/ghc/Makefile
+++ b/ghc/Makefile
@@ -1,71 +1,45 @@
-#-----------------------------------------------------------------------------
-# $Id: Makefile,v 1.3 1997/03/14 07:53:55 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.
 #
+# 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
+#
+# -----------------------------------------------------------------------------
 
-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
+dir = ghc
+TOP = ..
+SPEC_TARGETS = 1 2 3
+include $(TOP)/mk/sub-makefile.mk
 
-       $(line)
-       @echo "Booting Runtime System"
-       $(line)
-       @$(MAKE) -C runtime boot depend
+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
 
-       $(line)
-       @echo "Booting Docs"
-       $(line)
-       @$(MAKE) -C docs boot
+.PHONY: 1 2 3
 
-       $(line)
-       @echo "Booting Compiler"
-       $(line)
-       @$(MAKE) -C compiler boot
+1:
+       +$(TOPMAKE) stage=1 all_ghc_stage1 $(FAST_MAKE_OPTS) NO_STAGE1_DEPS=YES NO_STAGE2_DEPS=YES
 
-       $(line)
-       @echo "Booting Prelude libraries"
-       $(line)
-       @$(MAKE) -C compiler boot
+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
 
-# "CONTRIB" is also a SUBDIR, but there is nothing to build there.
-# 
-# leave out docs for the moment -- SOF
-#
-# 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
+.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."