Add support for 'make help' in subdirectories

[ghc-hetmet.git] / ghc / Makefile

diff --git a/ghc/Makefile b/ghc/Makefile
index 3524757..7e6b416 100644 (file)
--- a/ghc/Makefile
+++ b/ghc/Makefile
@@ -1,52 +1,37 @@
-#-----------------------------------------------------------------------------
-# $Id: Makefile,v 1.25 2004/02/20 21:21:27 panne Exp $
+# -----------------------------------------------------------------------------
 #
-
-TOP=.
-include $(TOP)/mk/boilerplate.mk
-
-#
-# subdir dependencies:
-#      everything needs utils
-#      includes/ needs driver (to easily c.pile mkNativeGen.c)
-#      make depend except in {utils,driver} needs includes     
-#      RTS and compiler need includes
-#
-
+# (c) 2009 The University of Glasgow
 #
-# Order is important! It's e.g. necessary to descend into include/
-# before the rest to have a config.h, etc.
+# This file is part of the GHC build system.
 #
-# If we're booting from .hc files, swap the order
-# we descend into subdirs - to boot utils must be before driver.
+# To understand how the build system works and how to modify it, see
+#      http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
+#      http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
 #
-ifeq "$(BootingFromHc)" "YES"
-SUBDIRS = includes rts docs compiler utils driver
-else
-ifneq "$(ILXized)" "YES"
-SUBDIRS = includes utils driver docs compiler rts
-else
-# No RTS for ILX
-SUBDIRS = includes utils driver docs compiler
-endif
-endif
+# -----------------------------------------------------------------------------
 
-ifeq ($(IncludeTestDirsInBuild),YES)
-SUBDIRS += tests
-endif
+dir = ghc
+TOP = ..
+SPEC_TARGETS = 1 2 3
+include $(TOP)/mk/sub-makefile.mk
 
-SRC_DIST_FILES += configure
+.PHONY: 1 2 3
 
-DIST_CLEAN_FILES += config.cache config.status ghc.spec
+1:
+       +$(TOPMAKE) stage=1 all_ghc_stage1 compiler_stage1_NO_BUILD_DEPS=YES
 
-extraclean::
-       $(RM) -rf autom4te.cache
+2:
+       +$(TOPMAKE) stage=2 all_ghc_stage2 compiler_stage2_NO_BUILD_DEPS=YES
 
-ifeq "$(TARGETPLATFORM)" "i386-unknown-mingw32"
-# These files need to be in the InstallShield
-# INSTALL_DATAS rather than INSTALL_DOCS is used so these files go
-# in the top-level directory of the distribution
-INSTALL_DATAS += ANNOUNCE LICENSE README VERSION
-endif
+3:
+       +$(TOPMAKE) stage=3 all_ghc_stage3 compiler_stage3_NO_BUILD_DEPS=YES
 
-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."