X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=test-build.mk;h=d3d44649bac4b6b4fb5aafb2135b3fbc5efbc325;hb=d4f389f692a6ca1103a4457d8d1dc4cc1c3f2750;hp=afdbd40c91ed2d4e1d7ca1e177d045ed11dc1a53;hpb=301482c7bc23fd3d4df023d93a9630a9da0852c7;p=deliverable%2Fbinutils-gdb.git

diff --git a/test-build.mk b/test-build.mk
index afdbd40c91..d3d44649ba 100644
--- a/test-build.mk
+++ b/test-build.mk
@@ -15,6 +15,10 @@
 ### which is the named used for ./configure, and also the prefix for the
 ### various files and directories used in a three stage.
 
+### The variable target may be set for the target of a cross-compilation.
+
+### The variable build may be to build a tree on a machine other than the host.
+
 ifndef host
 error:
 	@echo You must set the variable \"host\" to use this Makefile ; exit 1
@@ -23,114 +27,364 @@ else
 ### from here to very near the end of the file is the real guts of this 
 ### Makefile, and it is not seen if the variable 'host' is not set 
 
-###
-### START EDITTING HERE!!!
-### These things will need to be set differently for each release.
-###
-
 ### from which cvs tree are we working?
 TREE := devo
 
-### binaries should be installed into?
-ROOTING := /usr/cygnus
-
-### When working from a tagged set of source, this should be the tag.  If not,
-### then set the macro to be empty.
-CVS_TAG := 
-
-### The name of the cvs module for this release.  The intersection of
-### CVS_MODULE and CVS_TAG defines the source files in this release.
-CVS_MODULE := latest
+include $(TREE)/release-info
 
-### Historically, this was identical to CVS_TAG.  This is changing.
-RELEASE_TAG := latest-930211
+# Set TIME to time to get timings.  Not done by default because time
+# ignores the exit status.
+TIME 		:=
 
-### Historically, binaries were installed here.  This is changing.
-release_root := $(ROOTING)/$(RELEASE_TAG)
-
-### STOP EDITTING HERE!!!
-### With luck, eventually, nothing else will need to be editted.
-
-TIME 		:= time
-GCC 		:= gcc -O -g
-GNUC		:= "CC=$(GCC)"
+CONFIG_SHELL	:= 
+GCC 		:= $(host)-gcc -O2 
+GNUC		:= CC="$(GCC)"
 CFLAGS		:= -g
+CXXFLAGS	:= -g -O2
 GNU_MAKE 	:= /usr/latest/bin/make -w 
+MAKEINFOFLAGS	:=
 
-override MAKE 		:= make
+override MAKE 		:= make -w
 override MFLAGS 	:=
 #override MAKEFLAGS 	:=
 
 SHELL := /bin/sh
 
+ifndef build
+build := $(host)
+endif
+
+ifndef target
+target := $(host)
+endif
+
+ifeq ($(patsubst %-lynx,lynx,$(host)),lynx)
+SHELL := /bin/bash
+GNU_MAKE := $(MAKE)
+CONFIG_SHELL 	:= /bin/bash
+endif
+
+ifeq ($(patsubst %-m68k-hp-hpux,m68k-hp-hpux,$(host)),m68k-hp-hpux)
+SHELL := /usr/unsupported/bin/bash
+GNU_MAKE := $(MAKE)
+CONFIG_SHELL 	:= /usr/unsupported/bin/bash
+endif
+
+ifneq ($(build),$(host))
+
+# We are building on a machine other than the host.  We rely upon
+# previously built cross-compilers from the build machine to the host
+# (used to build the executables) and from the build machine to the
+# target (used to build the libraries).
+
+AR		:= $(host)-ar
+AR_FOR_TARGET	:= $(target)-ar
+AS		:= $(host)-as
+AS_FOR_TARGET	:= $(target)-as
+BISON		:= byacc
+CC		:= $(host)-gcc
+CC_FOR_BUILD	:= gcc
+CC_FOR_TARGET	:= $(target)-gcc
+CXX		:= $(host)-gcc 
+CXX_FOR_TARGET	:= $(target)-gcc
+GCC		:= $(host)-gcc -O2
+GXX		:= $(host)-g++
+GXX_FOR_TARGET	:= $(target)-g++
+HOST_PREFIX	:= $(build)-
+HOST_PREFIX_1	:= $(build)-
+LEX		:= flex
+MAKEINFO	:= makeinfo
+MUNCH_NM	:= $(host)-nm
+NM		:= $(host)-nm
+NM_FOR_TARGET	:= $(target)-nm
+RANLIB		:= $(host)-ranlib
+RANLIB_FOR_TARGET	:= $(target)-ranlib
+YACC		:= $(BISON)
+
+ifeq ($(host),i386-go32)
+MAKEINFOFLAGS = --no-split
+endif
+
+FLAGS_TO_PASS := \
+	"AR=$(AR)" \
+	"AR_FOR_TARGET=$(AR_FOR_TARGET)" \
+	"AS=$(AS)" \
+	"AS_FOR_TARGET=$(AS_FOR_TARGET)" \
+	"BISON=$(BISON)" \
+	"CC=$(CC)" \
+	"CC_FOR_BUILD=$(CC_FOR_BUILD)" \
+	"CC_FOR_TARGET=$(CC_FOR_TARGET)" \
+	"CXX=$(CXX)" \
+	"CXX_FOR_TARGET=$(CXX_FOR_TARGET)" \
+	"CFLAGS=$(CFLAGS)" \
+	"CXXFLAGS=$(CXXFLAGS)" \
+	"GCC=$(GCC)" \
+	"HOST_PREFIX=$(HOST_PREFIX)" \
+	"HOST_PREFIX_1=$(HOST_PREFIX_1)" \
+	"LEX=$(LEX)" \
+	"MAKEINFO=$(MAKEINFO)" \
+	"MAKEINFOFLAGS=$(MAKEINFOFLAGS)" \
+	"MF=$(MF)" \
+	"MUNCH_NM=$(MUNCH_NM)" \
+	"NM=$(NM)" \
+	"NM_FOR_TARGET=$(NM_FOR_TARGET)" \
+	"RANLIB=$(RANLIB)" \
+	"RANLIB_FOR_TARGET=$(RANLIB_FOR_TARGET)" \
+	"RELEASE_TAG=$(RELEASE_TAG)" \
+	"RUNTEST=$(relbindir)/runtest" \
+	"SHELL=$(SHELL)" \
+	"TIME=$(TIME)" \
+	"YACC=$(YACC)" \
+	"build=$(build)" \
+	"host=$(host)"
+
+# We must pass the build cross host tools in the environment of
+# configure, so that autoconf scripts will run the right programs.
+configenv := AR="$(AR)" CC="$(CC)" RANLIB="$(RANLIB)"
+
+else
+
+# This is a normal build on the host machine.
+
 FLAGS_TO_PASS := \
 	"GCC=$(GCC)" \
 	"CFLAGS=$(CFLAGS)" \
+	"CXXFLAGS=$(CXXFLAGS)" \
 	"TIME=$(TIME)" \
+	"MAKEINFOFLAGS=$(MAKEINFOFLAGS)" \
 	"MF=$(MF)" \
-	"host=$(host)"
+	"host=$(host)" \
+	"RELEASE_TAG=$(RELEASE_TAG)" \
+	"SHELL=$(SHELL)" 
+
+configenv :=
+
+endif
+
+#### we need to change the default C compiler for some hosts
+ifeq ($(host),sparc-sun-solaris2)
+CC := cc -Xs
+endif
+
+ifeq ($(host),mips-sgi-irix4)
+CC := cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000
+endif
+
+ifeq ($(host),hppa1.1-hp-hpux)
+CC := cc -Wp,-H256000
+endif
+
+ifeq ($(host),mips-mips-riscos5sysv)
+CC := cc -non_shared -systype sysv
+endif
+
+ifeq ($(host),mips-dec-ultrix)
+CC := cc -Wf,-XNg1000
+endif
+
+ifeq ($(host),m68k-sun-sunos4.1.1)
+CC := cc -J
+endif
+
+# We want to use stabs for MIPS targets.
+ifeq ($(target),mips-idt-ecoff)
+configargs = -with-stabs
+endif
+
+ifeq ($(target),mips-dec-ultrix)
+configargs = -with-stabs
+endif
+
+ifeq ($(target),mips-sgi-irix4)
+configargs = -with-stabs
+endif
+
+ifeq ($(target),mips-sgi-irix5.2)
+configargs = -with-stabs
+endif
 
-ifneq  '$(CC)' 'cc'
+ifeq ($(target),alpha-dec-osf1.3)
+configargs = -with-stabs
+endif
+
+# We must use stabs for SVR4 targets.
+ifeq ($(target),i386-sysv4.2)
+configargs = -with-stabs
+endif
+
+ifneq ($(CC), 'cc')
 FLAGS_TO_PASS := "CC=$(CC)" $(FLAGS_TO_PASS)
 endif
 
+#### and on some, we need CONFIG_SHELL
+ifeq ($(patsubst %-lynxos,lynxos,$(host)),lynxos)
+FLAGS_TO_PASS := "CONFIG_SHELL=$(CONFIG_SHELL)" $(FLAGS_TO_PASS)
+endif
 
-prefixes	= --prefix=$(release_root) --exec_prefix=$(release_root)/H-$(host)
-relbindir	= $(release_root)/H-$(host)/bin
+# These are the prefixes used for Cygnus builds.
+prefixes	= --prefix=$(release_root) --exec-prefix=$(release_root)/H-$(host)
 
+relbindir	= $(release_root)/H-$(build)/bin
 
 ### general config stuff
 WORKING_DIR 	:= $(host)-objdir
 STAGE1DIR 	:= $(WORKING_DIR).1
 STAGE2DIR 	:= $(WORKING_DIR).2
 STAGE3DIR 	:= $(WORKING_DIR).3
+STAGE4DIR 	:= $(WORKING_DIR).4
 INPLACEDIR 	:= $(host)-in-place
-HOLESDIR 	:= $(host)-holes
 
-SET_NATIVE_HOLES := SHELL=sh ; PATH=`pwd`/$(HOLESDIR) ; export PATH ; export SHELL ;
-SET_CYGNUS_PATH  := SHELL=sh ; PATH=$(relbindir):`pwd`/$(HOLESDIR) ; export PATH ; export SHELL ;
-SET_LATEST_PATH  := SHELL=sh ; PATH=/usr/latest/bin:`pwd`/$(HOLESDIR) ; export PATH ; export SHELL ;
+# Arrange to find the needed programs.  If we are building on a
+# machine other than the host, we must find the cross-compilers.
+
+ifneq ($(build),$(host))
+
+holesys		:= $(build)
+HOLESSTAMP	:= $(holesys)-stamp-holes $(build)-x-$(host)-stamp-holes $(build)-x-$(target)-stamp-holes
+HOLESDIR 	:= $(holesys)-holes
+BUILD_HOST_HOLES_DIR	:= $(build)-x-$(host)-holes
+BUILD_TARGET_HOLES_DIR	:= $(build)-x-$(target)-holes
 
+SET_NATIVE_HOLES := SHELL=$(SHELL) ; PATH=`pwd`/$(HOLESDIR):`pwd`/$(BUILD_HOST_HOLES_DIR):`pwd`/$(BUILD_TARGET_HOLES_DIR) ; export PATH ; export SHELL ;
+SET_CYGNUS_PATH  := SHELL=$(SHELL) ; PATH=`pwd`/$(HOLESDIR):`pwd`/$(BUILD_HOST_HOLES_DIR):`pwd`/$(BUILD_TARGET_HOLES_DIR) ; export PATH ; export SHELL ;
+SET_LATEST_PATH  := SHELL=$(SHELL) ; PATH=/usr/latest/bin:`pwd`/$(HOLESDIR):`pwd`/$(BUILD_HOST_HOLES_DIR):`pwd`/$(BUILD_TARGET_HOLES_DIR) ; export PATH ; export SHELL ;
 
+else
+
+holesys		:= $(host)
+HOLESSTAMP	:= $(holesys)-stamp-holes
+HOLESDIR 	:= $(holesys)-holes
+
+SET_NATIVE_HOLES := SHELL=$(SHELL) ; PATH=`pwd`/$(HOLESDIR) ; export PATH ; export SHELL ;
+SET_CYGNUS_PATH  := SHELL=$(SHELL) ; PATH=$(relbindir):`pwd`/$(HOLESDIR) ; export PATH ; export SHELL ;
+SET_LATEST_PATH  := SHELL=$(SHELL) ; PATH=/usr/latest/bin:`pwd`/$(HOLESDIR) ; export PATH ; export SHELL ;
+
+endif
 
 .PHONY: all
-ifdef target
+ifneq ($(target),$(host))
 ##
 ## This is a cross compilation
 ##
 arch 		= $(host)-x-$(target)
-config  	= $(host) -target=$(target)
-NATIVEDIR	:= $(arch)-native-objdir
-CYGNUSDIR	:= $(arch)-cygnus-objdir
-LATESTDIR	:= $(arch)-latest-objdir
+config  	= -host=$(host) -target=$(target)
 FLAGS_TO_PASS	:= $(FLAGS_TO_PASS) "target=$(target)"
 
+ifeq ($(patsubst %-lynx,lynx,$(target)),lynx)
+configargs := $(configargs) --with-headers=/s1/cygnus/dejagnu/$(target)/include \
+                --with-libs=/s1/cygnus/dejagnu/$(target)/lib
+endif
+
+ifeq ($(patsubst %-i386-sysv4.2,i386-sysv4.2,$(target)),i386-sysv4.2)
+configargs := $(configargs) --with-headers=/s1/cygnus/dejagnu/$(target)/include \
+                --with-libs=/s1/cygnus/dejagnu/$(target)/lib
+endif
+
+ifeq ($(patsubst %-sparc-sun-sunos4.1.3,sparc-sun-sunos4.1.3,$(target)),sparc-sun-sunos4.1.3)
+configargs := $(configargs) --with-headers=/s1/cygnus/dejagnu/$(target)/include \
+                --with-libs=/s1/cygnus/dejagnu/$(target)/lib
+endif
+
+ifeq ($(patsubst %-sparc-sun-solaris2,sparc-sun-solaris2,$(target)),sparc-sun-solaris2)
+configargs := $(configargs) --with-headers=/s1/cygnus/dejagnu/$(target)/include \
+                --with-libs=/s1/cygnus/dejagnu/$(target)/lib
+endif
+
+ifneq ($(build),$(host))
+all:	do-cygnus do-latest
+build-all: build-cygnus build-latest
+else
 all:	do-native do-latest
 build-all: build-native build-latest
+endif
+
 
 else
 ##
 ## This is a native compilation
 ##
+arch		= $(host)
+config  	= -host=$(host)
+ifneq ($(build),$(host))
+all:	do-cygnus do-latest
+else
 all:	$(host)-stamp-3stage-done
+endif
 #all:	in-place do1 do2 do3 comparison
+
 endif
 
+NATIVEDIR	:= $(arch)-native-objdir
+CYGNUSDIR	:= $(arch)-cygnus-objdir
+LATESTDIR	:= $(arch)-latest-objdir
+DOSDIR		:= dos-x-$(target)-objdir
+
 everything: 	 do-cross 
 #everything: 	in-place do1 do2 do3 comparison do-cygnus 
 
+.PHONY: dos
+dos:
+	$(MAKE) -f test-build.mk CFLAGS= build=$(host) host=i386-go32 target=$(target) do-dos
+dos-path:
+	$(MAKE) -f test-build.mk CFLAGS= build=$(host) host=i386-go32 target=$(target) path-dos
+
+.PHONY: do-dos
+do-dos: $(HOLESSTAMP) dos-x-$(target)-stamp-done
+build-dos: $(HOLESSTAMP) dos-x-$(target)-stamp-dos-checked
+config-dos: $(HOLESSTAMP) dos-x-$(target)-stamp-dos-configured
+path-dos:
+	@echo "$(SET_CYGNUS_PATH)"
+
+dos-x-$(target)-stamp-done: 
+	[ -f $(relbindir)/$(host)-gcc ] || (echo "must have gcc available"; exit 1)
+	$(SET_CYGNUS_PATH) $(TIME) $(GNU_MAKE) -f test-build.mk dos-x-$(target)-stamp-installed  $(FLAGS_TO_PASS)
+	if [ -f CLEAN_ALL -o -f CLEAN_CROSSES ] ; then rm -rf $(DOSDIR) ; else true ; fi
+	touch $@
+
+dos-x-$(target)-stamp-installed: $(HOLESSTAMP) dos-x-$(target)-stamp-intermediate
+	[ -d dos-x-$(target)-installed ] || mkdir dos-x-$(target)-installed
+	$(SET_CYGNUS_PATH) $(TREE)/release/mkdosrel dos-x-$(target)-intermediate \
+	  dos-x-$(target)-installed $(target)
+#	(cd dos-x-$(target)-installed; find . -print | $(TREE)/release/make8.3)
+	touch $@
+
+dos-x-$(target)-stamp-intermediate:  $(HOLESSTAMP) dos-x-$(target)-stamp-dos-checked
+	[ -d dos-x-$(target)-intermediate ] || mkdir dos-x-$(target)-intermediate
+	dir=`pwd` ; export dir ; \
+	$(SET_CYGNUS_PATH) cd $(DOSDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) $(GNUC) \
+	  prefix=$$dir/dos-x-$(target)-intermediate install install-info 
+	touch $@
+
+dos-x-$(target)-stamp-dos-checked: $(HOLESSTAMP) dos-x-$(target)-stamp-dos-built
+#	cd $(DOSDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) $(GNUC) check 
+	touch $@
+
+dos-x-$(target)-stamp-dos-built:  $(HOLESSTAMP) dos-x-$(target)-stamp-dos-configured
+	$(SET_CYGNUS_PATH) cd $(DOSDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) $(GNUC) all info
+	touch $@
+
+dos-x-$(target)-stamp-dos-configured:  $(HOLESSTAMP)
+	[ -d $(DOSDIR) ] || mkdir $(DOSDIR)
+	$(SET_CYGNUS_PATH) cd $(DOSDIR) ; $(GNUC) $(configenv) $(TIME) $(CONFIG_SHELL) \
+	  ../$(TREE)/configure $(config) -v --srcdir=../$(TREE) --prefix=/cygnus \
+	  --program-transform-name='' $(configargs)
+	touch $@
+
+
+
+
 .PHONY: do-native
-do-native: $(host)-stamp-holes $(arch)-stamp-native
+do-native: $(HOLESSTAMP) $(arch)-stamp-native
 do-native-config: $(arch)-stamp-native-configured
-build-native: $(host)-stamp-holes $(arch)-stamp-native-checked
-config-native: $(host)-stamp-holes $(arch)-stamp-native-configured
+build-native: $(HOLESSTAMP) $(arch)-stamp-native-checked
+config-native: $(HOLESSTAMP) $(arch)-stamp-native-configured
 
-$(arch)-stamp-native: $(host)-stamp-holes
+$(arch)-stamp-native: $(HOLESSTAMP)
 	$(SET_NATIVE_HOLES) $(TIME) $(GNU_MAKE) -f test-build.mk  $(arch)-stamp-native-installed $(FLAGS_TO_PASS) 
-	if [ -f CLEAN_ALL ] ; then rm -rf $(NATIVEDIR) ; else true ; fi
+	if [ -f CLEAN_ALL -o -f CLEAN_CROSSES ] ; then rm -rf $(NATIVEDIR) ; else true ; fi
 	touch $(arch)-stamp-native
 
-$(arch)-stamp-native-installed: $(host)-stamp-holes $(arch)-stamp-native-checked
+$(arch)-stamp-native-installed: $(HOLESSTAMP) $(arch)-stamp-native-checked
 	$(SET_NATIVE_HOLES) cd $(NATIVEDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) install 
 	$(SET_NATIVE_HOLES) cd $(NATIVEDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) install-info 
 	touch $@
@@ -139,56 +393,65 @@ $(arch)-stamp-native-checked: $(arch)-stamp-native-built
 #	cd $(NATIVEDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) check 
 	touch $@
 
-$(arch)-stamp-native-built: $(host)-stamp-holes $(arch)-stamp-native-configured
+$(arch)-stamp-native-built: $(HOLESSTAMP) $(arch)-stamp-native-configured
 	$(SET_NATIVE_HOLES) cd $(NATIVEDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) all 
 	$(SET_NATIVE_HOLES) cd $(NATIVEDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) info 
 	touch $@
 
-$(arch)-stamp-native-configured: $(host)-stamp-holes
+$(arch)-stamp-native-configured: $(HOLESSTAMP)
 	[ -d $(NATIVEDIR) ] || mkdir $(NATIVEDIR)
-	$(SET_NATIVE_HOLES) cd $(NATIVEDIR) ; $(TIME) ../$(TREE)/configure $(config) -v --srcdir=../$(TREE) $(prefixes)
+	$(SET_NATIVE_HOLES) cd $(NATIVEDIR) ; $(configenv) CC="$(CC)" $(TIME) $(CONFIG_SHELL) ../$(TREE)/configure $(config) -v --srcdir=../$(TREE) $(prefixes) $(configargs)
 	touch $@
 
 
 .PHONY: do-cygnus
-do-cygnus: $(host)-stamp-holes $(arch)-stamp-cygnus
-build-cygnus: $(host)-stamp-holes $(arch)-stamp-cygnus-checked
-config-cygnus: $(host)-stamp-holes $(arch)-stamp-cygnus-configured
+do-cygnus: $(HOLESSTAMP) $(arch)-stamp-cygnus
+build-cygnus: $(HOLESSTAMP) $(arch)-stamp-cygnus-checked
+config-cygnus: $(HOLESSTAMP) $(arch)-stamp-cygnus-configured
+path-cygnus:
+	$(SET_CYGNUS_PATH) echo $$PATH
+
+vault-cygnus: $(HOLESSTAMP) $(arch)-stamp-cygnus-built
+	$(SET_CYGNUS_PATH) cd $(CYGNUSDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) $(GNUC) vault-install 
+	
 
 $(arch)-stamp-cygnus: 
-	[ -f $(relbindir)/gcc ] || (echo "must have gcc available"; exit 1)
+	[ -f $(relbindir)/$(host)-gcc ] || (echo "must have gcc available"; exit 1)
 	$(SET_CYGNUS_PATH) $(TIME) $(GNU_MAKE) -f test-build.mk $(arch)-stamp-cygnus-installed  $(FLAGS_TO_PASS)
-	if [ -f CLEAN_ALL ] ; then rm -rf $(CYGNUSDIR) ; else true ; fi
+	if [ -f CLEAN_ALL -o -f CLEAN_CROSSES ] ; then rm -rf $(CYGNUSDIR) ; else true ; fi
 	touch $(arch)-stamp-cygnus
 
-$(arch)-stamp-cygnus-installed:  $(host)-stamp-holes $(arch)-stamp-cygnus-checked
+$(arch)-stamp-cygnus-installed:  $(HOLESSTAMP) $(arch)-stamp-cygnus-checked
 	$(SET_CYGNUS_PATH) cd $(CYGNUSDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) $(GNUC) install 
 	$(SET_CYGNUS_PATH) cd $(CYGNUSDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) $(GNUC) install-info
+	if [ -f VAULT-INSTALL ] ; then \
+	  $(SET_CYGNUS_PATH) cd $(CYGNUSDIR) ; $(MAKE) $(FLAGS_TO_PASS) $(GNUC) vault-install ; \
+	else true ; fi
 	touch $@
 
-$(arch)-stamp-cygnus-checked: $(host)-stamp-holes $(arch)-stamp-cygnus-built
+$(arch)-stamp-cygnus-checked: $(HOLESSTAMP) $(arch)-stamp-cygnus-built
 #	cd $(CYGNUSDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) $(GNUC) check 
 	touch $@
 
-$(arch)-stamp-cygnus-built:  $(host)-stamp-holes $(arch)-stamp-cygnus-configured
+$(arch)-stamp-cygnus-built:  $(HOLESSTAMP) $(arch)-stamp-cygnus-configured
 	$(SET_CYGNUS_PATH) cd $(CYGNUSDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) $(GNUC) all 
 	$(SET_CYGNUS_PATH) cd $(CYGNUSDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) $(GNUC) info 
 	touch $@
 
-$(arch)-stamp-cygnus-configured:  $(host)-stamp-holes
+$(arch)-stamp-cygnus-configured:  $(HOLESSTAMP)
 	[ -d $(CYGNUSDIR) ] || mkdir $(CYGNUSDIR)
-	$(SET_CYGNUS_PATH) cd $(CYGNUSDIR) ; $(TIME) ../$(TREE)/configure $(config) -v --srcdir=../$(TREE) $(prefixes)
+	$(SET_CYGNUS_PATH) cd $(CYGNUSDIR) ; $(configenv) $(GNUC) $(TIME) $(CONFIG_SHELL) ../$(TREE)/configure $(config) -v --srcdir=../$(TREE) $(prefixes) $(configargs)
 	touch $@
 
 .PHONY: do-latest
-do-latest: $(host)-stamp-holes $(arch)-stamp-latest
-build-latest: $(host)-stamp-holes $(arch)-stamp-latest-checked
+do-latest: $(HOLESSTAMP) $(arch)-stamp-latest
+build-latest: $(HOLESSTAMP) $(arch)-stamp-latest-checked
 
 $(arch)-stamp-latest:
 	$(SET_LATEST_PATH) $(TIME) $(GNU_MAKE) -f test-build.mk $(arch)-stamp-latest-installed  $(FLAGS_TO_PASS)
 	touch $(arch)-stamp-latest
 
-$(arch)-stamp-latest-installed: $(arch)-stamp-latest-checked
+$(arch)-stamp-latest-installed:  $(HOLESSTAMP) $(arch)-stamp-latest-checked
 	$(SET_LATEST_PATH) cd $(LATESTDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) $(GNUC) install 
 	$(SET_LATEST_PATH) cd $(LATESTDIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) $(GNUC) install-info 
 	touch $@
@@ -204,8 +467,7 @@ $(arch)-stamp-latest-built: $(arch)-stamp-latest-configured
 
 $(arch)-stamp-latest-configured:
 	[ -d $(LATESTDIR) ] || mkdir $(LATESTDIR)
-	$(SET_LATEST_PATH) cd $(LATESTDIR) ; \
-	  $(TIME) ../$(TREE)/configure $(config) -v --srcdir=../$(TREE) $(prefixes)
+	$(SET_LATEST_PATH) cd $(LATESTDIR) ; $(configenv) $(GNUC) $(TIME) $(CONFIG_SHELL) ../$(TREE)/configure $(config) -v --srcdir=../$(TREE) $(prefixes) $(configargs)
 	touch $@
 
 
@@ -239,7 +501,7 @@ $(host)-stamp-in-place-built: $(host)-stamp-in-place-configured
 	touch $@
 
 $(host)-stamp-in-place-configured: $(host)-stamp-in-place-cp
-	cd $(INPLACEDIR) ; $(TIME) ./configure $(host) -v $(prefixes)
+	cd $(INPLACEDIR) ; $(configenv) CC="$(CC)" $(TIME) $(CONFIG_SHELL) ./configure $(config) -v $(prefixes) $(configargs)
 	touch $@
 
 $(host)-stamp-in-place-cp:
@@ -253,9 +515,16 @@ $(host)-stamp-3stage-done: do1 do2 do3 comparison
 
 
 .PHONY: do1
-do1:	    $(host)-stamp-holes $(host)-stamp-stage1
-do1-config: $(host)-stamp-holes $(host)-stamp-stage1-configured
-do1-build:  $(host)-stamp-holes $(host)-stamp-stage1-checked
+do1:	    $(HOLESSTAMP) $(host)-stamp-stage1
+do1-config: $(HOLESSTAMP) $(host)-stamp-stage1-configured
+do1-build:  $(HOLESSTAMP) $(host)-stamp-stage1-checked
+
+do1-vault: $(HOLESSTAMP) $(host)-stamp-stage1-built
+	if [ -d $(WORKING_DIR).1 ] ; then \
+	  $(SET_NATIVE_HOLES) cd $(WORKING_DIR).1 ; $(MAKE) $(FLAGS_TO_PASS) host=$(host) "CFLAGS=$(CFLAGS)" vault-install ; \
+	else \
+	  $(SET_NATIVE_HOLES) cd $(WORKING_DIR) ; $(MAKE) $(FLAGS_TO_PASS) host=$(host) "CFLAGS=$(CFLAGS)" vault-install ; \
+	fi
 
 $(host)-stamp-stage1:
 	if [ -d $(STAGE1DIR) ] ; then \
@@ -275,7 +544,7 @@ $(host)-stamp-stage1-installed: $(host)-stamp-stage1-checked
 	$(SET_NATIVE_HOLES) cd $(WORKING_DIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) "CFLAGS=$(CFLAGS)" install host=$(host)
 	$(SET_NATIVE_HOLES) cd $(WORKING_DIR) ; $(TIME) $(MAKE) $(FLAGS_TO_PASS) "CFLAGS=$(CFLAGS)" install-info host=$(host)
 ifeq ($(host),rs6000-ibm-aix)
-	rm $(relbindir)/make
+	-rm $(relbindir)/make
 endif
 	touch $@
 
@@ -291,12 +560,21 @@ $(host)-stamp-stage1-built: $(host)-stamp-stage1-configured
 $(host)-stamp-stage1-configured:
 	[ -d $(WORKING_DIR) ] || mkdir $(WORKING_DIR)
 	$(SET_NATIVE_HOLES) cd $(WORKING_DIR) ; \
-	  $(TIME) ../$(TREE)/configure $(host) -v --srcdir=../$(TREE) $(prefixes)
+	  $(configenv) CC="$(CC)" $(TIME) $(CONFIG_SHELL) ../$(TREE)/configure $(config) -v --srcdir=../$(TREE) $(prefixes) $(configargs)
 	touch $@
 
 .PHONY: do2
 do2:	$(HOLESDIR) $(host)-stamp-stage2
 
+do2-vault: $(HOLESSTAMP) $(host)-stamp-stage2-built
+	if [ -d $(WORKING_DIR).2 ] ; then \
+	  $(SET_CYGNUS_PATH) cd $(WORKING_DIR).2 ; $(MAKE) $(FLAGS_TO_PASS) host=$(host) "CFLAGS=$(CFLAGS)" vault-install ; \
+	else \
+	  $(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(MAKE) $(FLAGS_TO_PASS) host=$(host) "CFLAGS=$(CFLAGS)" vault-install ; \
+	fi
+
+
+
 $(host)-stamp-stage2:
 	if [ -d $(STAGE2DIR) ] ; then \
 		mv $(STAGE2DIR) $(WORKING_DIR) ; \
@@ -308,8 +586,13 @@ $(host)-stamp-stage2:
 	touch $@
 
 
+# The SunOS make program gets confused when it is deleted while running.
+# The signal handlers return to the wrong place, or something, and the
+# program dumps core.  To avoid trouble with installing make over itself,
+# we delete the installed make program.
 $(host)-stamp-stage2-installed: $(host)-stamp-stage2-checked
-	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" install host=$(host)
+	-rm -f $(relbindir)/make
+	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(GNU_MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" install host=$(host)
 	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" install-info host=$(host)
 	touch $@
 
@@ -325,32 +608,51 @@ $(host)-stamp-stage2-built: $(host)-stamp-stage2-configured
 $(host)-stamp-stage2-configured:
 	[ -d $(WORKING_DIR) ] || mkdir $(WORKING_DIR)
 	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; \
-	  $(TIME) ../$(TREE)/configure $(host) -v --srcdir=../$(TREE) $(prefixes)
+	  $(configenv) $(GNUC) $(TIME) $(CONFIG_SHELL) ../$(TREE)/configure $(config) -v --srcdir=../$(TREE) $(prefixes) $(configargs)
 	touch $@
 
 .PHONY: do3
 do3:	$(HOLESDIR) $(host)-stamp-stage3
 
+do3-vault: $(HOLESSTAMP) $(host)-stamp-stage3-built
+	if [ -d $(WORKING_DIR).3 ] ; then \
+	  $(SET_CYGNUS_PATH) cd $(WORKING_DIR).3 ; $(MAKE) $(FLAGS_TO_PASS) host=$(host) "CFLAGS=$(CFLAGS)" vault-install ; \
+	else \
+	  $(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(MAKE) $(FLAGS_TO_PASS) host=$(host) "CFLAGS=$(CFLAGS)" vault-install ; \
+	fi
+
 $(host)-stamp-stage3:
 	if [ -d $(STAGE3DIR) ] ; then \
 		mv $(STAGE3DIR) $(WORKING_DIR) ; \
 	else \
 		true ; \
 	fi
-	$(SET_CYGNUS_PATH) $(TIME) $(GNU_MAKE) $(FLAGS_TO_PASS) -f test-build.mk -w $(host)-stamp-stage3-checked 
+	$(SET_CYGNUS_PATH) $(TIME) $(GNU_MAKE) $(FLAGS_TO_PASS) -f test-build.mk -w $(host)-stamp-stage3-installed
 	mv $(WORKING_DIR) $(STAGE3DIR) 
 	touch $@
 
 
+# The SunOS make program gets confused when it is deleted while running.
+# The signal handlers return to the wrong place, or something, and the
+# program dumps core.  To avoid trouble with installing make over itself,
+# we delete the installed make program.
 $(host)-stamp-stage3-installed: $(host)-stamp-stage3-checked
-	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" install host=$(host)
+	-rm -f $(relbindir)/make
+	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(GNU_MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" install host=$(host)
 	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" install-info host=$(host)
+	if [ -f VAULT-INSTALL ] ; then \
+	  $(SET_CYGNUS_PATH) cd $(CYGNUSDIR) ; $(MAKE) $(FLAGS_TO_PASS) $(GNUC) vault-install ; \
+	else true ; fi
 	touch $@
 
 $(host)-stamp-stage3-checked: $(host)-stamp-stage3-built
 #	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" check host=$(host)
 	touch $@
 
+$(host)-check-3stage: $(host)-stamp-stage3
+	$(SET_CYGNUS_PATH) cd $(STAGE3DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" check host=$(host)
+	touch $@
+
 $(host)-stamp-stage3-built: $(host)-stamp-stage3-configured
 	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" all host=$(host)
 	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" info host=$(host)
@@ -359,7 +661,41 @@ $(host)-stamp-stage3-built: $(host)-stamp-stage3-configured
 $(host)-stamp-stage3-configured:
 	[ -d $(WORKING_DIR) ] || mkdir $(WORKING_DIR)
 	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; \
-	  $(TIME) ../$(TREE)/configure $(host) -v --srcdir=../$(TREE) $(prefixes)
+	  $(configenv) $(GNUC) $(TIME) $(CONFIG_SHELL) ../$(TREE)/configure $(config) -v --srcdir=../$(TREE) $(prefixes) $(configargs)
+	touch $@
+
+.PHONY: do4
+do4:	$(HOLESDIR) $(host)-stamp-stage4
+
+$(host)-stamp-stage4:
+	if [ -d $(STAGE4DIR) ] ; then \
+		mv $(STAGE4DIR) $(WORKING_DIR) ; \
+	else \
+		true ; \
+	fi
+	$(SET_CYGNUS_PATH) $(TIME) $(GNU_MAKE) $(FLAGS_TO_PASS) -f test-build.mk -w $(host)-stamp-stage4-checked 
+	mv $(WORKING_DIR) $(STAGE4DIR) 
+	touch $@
+
+
+$(host)-stamp-stage4-installed: $(host)-stamp-stage4-checked
+	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" install host=$(host)
+	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" install-info host=$(host)
+	touch $@
+
+$(host)-stamp-stage4-checked: $(host)-stamp-stage4-built
+#	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" check host=$(host)
+	touch $@
+
+$(host)-stamp-stage4-built: $(host)-stamp-stage4-configured
+	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" all host=$(host)
+	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; $(TIME) $(MAKE) -w $(FLAGS_TO_PASS) $(GNUC) "CFLAGS=$(CFLAGS)" info host=$(host)
+	touch $@
+
+$(host)-stamp-stage4-configured:
+	[ -d $(WORKING_DIR) ] || mkdir $(WORKING_DIR)
+	$(SET_CYGNUS_PATH) cd $(WORKING_DIR) ; \
+	  $(configenv) $(GNUC) $(TIME) $(CONFIG_SHELL) ../$(TREE)/configure $(config) -v --srcdir=../$(TREE) $(prefixes) $(configargs)
 	touch $@
 
 # These things are needed by a three-stage, but are not included locally.
@@ -373,11 +709,14 @@ HOLES := \
 	cat \
 	cc \
 	chmod \
+	chgrp \
+	chown \
 	cmp \
 	cp \
 	cpio \
 	date \
 	diff \
+	dirname \
 	echo \
 	egrep \
 	ex \
@@ -402,6 +741,7 @@ HOLES := \
 	rmdir \
 	sed \
 	sh \
+	sleep \
 	sort \
 	tar \
 	test \
@@ -409,36 +749,52 @@ HOLES := \
 	touch \
 	tr \
 	true \
+	uname \
+	uniq \
 	uudecode \
 	wc \
 	whoami
 
 ### so far only sun make supports VPATH
-ifeq ($(subst sun3,sun4,$(host)),sun4)
+ifeq ($(subst sun3,sun4,$(holesys)),sun4)
 MAKE_HOLE :=
 else
 MAKE_HOLE := make
 endif
 
 ### solaris 2 -- don't use /usr/ucb/cc
-ifeq (sparc-sun-solaris2,$(host))
-SET_NATIVE_HOLES := SHELL=sh ; PATH=/opt/SUNWspro/bin:`pwd`/$(HOLESDIR) ; export PATH ; export SHELL ;
+ifeq (sparc-sun-solaris2,$(holesys))
+SET_NATIVE_HOLES := SHELL=$(SHELL) ; PATH=/opt/SUNWspro/bin:`pwd`/$(HOLESDIR) ; export PATH ; export SHELL ;
 HOLE_DIRS := /usr/ccs/bin
-CC_HOLE := 
+CC_HOLE :=
+NUKEM := cc 
 endif
 
-### rs6000 as is busted.  We cache a patched version in unsupported.
-ifeq ($(host),rs6000-ibm-aix)
-AS_HOLE := as
-else
-AS_HOLE :=
+ifeq ($(host),i386-go32)
+DOS_HOLES := aout2exe doschk file
+endif
+
+ifeq ($(host),i386-lynx)
+MAKE_HOLE := make
+endif
+
+ifeq ($(host),m68k-lynx)
+MAKE_HOLE := make
+endif
+
+ifeq ($(host),sparc-lynx)
+MAKE_HOLE := make
+endif
+
+ifeq ($(host),rs6000-lynx)
+MAKE_HOLE := make
 endif
 
 ### These things are also needed by a three-stage, but in this case, the GNU version of the tool is required.
 PARTIAL_HOLES := \
-	$(AS_HOLE) \
 	$(MAKE_HOLE) \
 	$(CC_HOLE) \
+	$(DOS_HOLES) \
 	flex \
 	m4
 
@@ -456,11 +812,12 @@ PARTIAL_HOLE_DIRS := \
 	/usr/progressive/bin \
 	$(PARTIAL_HOLE_DIRS) \
 	/usr/vintage/bin \
-	/usr/unsupported/bin
+	/usr/unsupported/bin \
+	$(HOLE_DIRS)
 
-$(HOLESDIR): $(host)-stamp-holes
+$(HOLESDIR): $(holesys)-stamp-holes
 
-$(host)-stamp-holes:
+$(holesys)-stamp-holes:
 	-rm -rf $(HOLESDIR)
 	-mkdir $(HOLESDIR)
 	@for i in $(HOLES) ; do \
@@ -494,14 +851,100 @@ $(host)-stamp-holes:
 		*) echo $$i is NOT found ;; \
 		esac ; \
 	done
+ifdef NUKEM
+	cd $(HOLESDIR); rm -f $(NUKEM)
+endif
+	touch $@
+
+# Get the cross-tools for build cross host when not building on the host.
+
+BUILD_HOST_HOLES := \
+	byacc \
+	gcc \
+	makeinfo \
+	$(AR) \
+	$(AS) \
+	$(CC) \
+	$(CXX) \
+	$(GXX) \
+	$(NM) \
+	$(RANLIB)
+
+BUILD_HOLES_DIRS := $(release_root)/H-$(build)/bin $(PARTIAL_HOLE_DIRS)
+
+ifdef BUILD_HOST_HOLES_DIR
+$(BUILD_HOST_HOLES_DIR): $(build)-x-$(host)-stamp-holes
+endif
+
+ifneq ($(build),$(host))
+$(build)-x-$(host)-stamp-holes:
+	-rm -rf $(BUILD_HOST_HOLES_DIR)
+	-mkdir $(BUILD_HOST_HOLES_DIR)
+	@for i in $(BUILD_HOST_HOLES) ; do \
+		found= ; \
+		for j in $(BUILD_HOLES_DIRS) ; do \
+			if [ -x $$j/$$i ] ; then \
+				ln -s $$j/$$i $(BUILD_HOST_HOLES_DIR) || cp $$j/$$i $(BUILD_HOST_HOLES_DIR) ; \
+				echo $$i from $$j ; \
+				found=t ; \
+				break ; \
+			fi ; \
+		done ; \
+		case "$$found" in \
+		t) ;; \
+		*) echo $$i is NOT found ;; \
+		esac ; \
+	done
 	touch $@
+endif
+
+# Get the cross tools for build cross target when not building on the host.
+
+BUILD_TARGET_HOLES := \
+	byacc \
+	gcc \
+	makeinfo \
+	$(AR_FOR_TARGET) \
+	$(AS_FOR_TARGET) \
+	$(CC_FOR_TARGET) \
+	$(CXX_FOR_TARGET) \
+	$(GXX_FOR_TARGET) \
+	$(NM_FOR_TARGET) \
+	$(RANLIB_FOR_TARGET)
+
+ifdef BUILD_TARGET_HOLES_DIR
+$(BUILD_TARGET_HOLES_DIR): $(build)-x-$(target)-stamp-holes
+endif
+
+ifneq ($(build),$(target))
+$(build)-x-$(target)-stamp-holes:
+	-rm -rf $(BUILD_TARGET_HOLES_DIR)
+	-mkdir $(BUILD_TARGET_HOLES_DIR)
+	@for i in $(BUILD_TARGET_HOLES) ; do \
+		found= ; \
+		for j in $(BUILD_HOLES_DIRS) ; do \
+			if [ -x $$j/$$i ] ; then \
+				ln -s $$j/$$i $(BUILD_TARGET_HOLES_DIR) || cp $$j/$$i $(BUILD_TARGET_HOLES_DIR) ; \
+				echo $$i from $$j ; \
+				found=t ; \
+				break ; \
+			fi ; \
+		done ; \
+		case "$$found" in \
+		t) ;; \
+		*) echo $$i is NOT found ;; \
+		esac ; \
+	done
+	touch $@
+endif
 
 .PHONY: comparison
 comparison: $(host)-stamp-3stage-compared
+comparison-stage3to4: $(host)-stamp-4stage-compared
 
 $(host)-stamp-3stage-compared:
 	rm -f .bad-compare
-ifeq ($(subst i386-sco3.2v4,mips-sgi-irix4,$(subst rs6000-ibm-aix,mips-sgi-irix4,$(subst mips-dec-ultrix,mips-sgi-irix4,$(host)))),mips-sgi-irix4)
+ifeq ($(patsubst %-lynx,mips-sgi-irix4,$(subst i386-sco3.2v4,mips-sgi-irix4,$(subst rs6000-ibm-aix,mips-sgi-irix4,$(subst mips-dec-ultrix,mips-sgi-irix4,$(host))))),mips-sgi-irix4)
 	for i in `cd $(STAGE3DIR) ; find . -name \*.o -print` ; do \
 		tail +10c $(STAGE2DIR)/$$i > foo1 ; \
 		tail +10c $(STAGE3DIR)/$$i > foo2 ; \
@@ -532,6 +975,38 @@ endif
 	fi
 	touch $@	
 
+$(host)-stamp-4stage-compared:
+	rm -f .bad-compare
+ifeq ($(patsubst %-lynx,mips-sgi-irix4,$(subst i386-sco3.2v4,mips-sgi-irix4,$(subst rs6000-ibm-aix,mips-sgi-irix4,$(subst mips-dec-ultrix,mips-sgi-irix4,$(host))))),mips-sgi-irix4)
+	for i in `cd $(STAGE4DIR) ; find . -name \*.o -print` ; do \
+		tail +10c $(STAGE3DIR)/$$i > foo1 ; \
+		tail +10c $(STAGE4DIR)/$$i > foo2 ; \
+		if cmp foo1 foo2 ; then \
+			true ; \
+		else \
+			echo $$i ; \
+			touch .bad-compare ; \
+		fi ; \
+	done
+	rm -f foo1 foo2
+else
+	for i in `cd $(STAGE4DIR) ; find . -name \*.o -print` ; do \
+		cmp $(STAGE3DIR)/$$i $(STAGE4DIR)/$$i || touch .bad-compare ; \
+	done
+endif
+	if [ -f CLEAN_ALL ] ; then \
+	  rm -rf $(STAGE2DIR) $(STAGE3DIR) $(STAGE4DIR) ; \
+	else \
+	  if [ -f CLEAN_STAGES ] ; then \
+	    if [ -f .bad-compare ] ; then \
+	      true ; \
+	    else \
+	      rm -rf $(STAGE1DIR) $(STAGE2DIR) $(STAGE3DIR) ; \
+	    fi ; \
+  	  else true ; \
+  	  fi ; \
+  	fi
+
 .PHONY: clean
 clean:
 	rm -rf $(HOLESDIR) $(INPLACEDIR) $(WORKING_DIR)* $(host)-stamp-* *~