X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=Makefile.tpl;h=7893e3481ec568438f9d910eb53c05b04449c7c4;hp=8c19bbfaab502be3b6aa402b8c406f6c7668f98d;hb=678ad0c8e98144425812e7c510a6a893491ca235;hpb=7fd717b3fb606b996858c2c98e88df8f48646d60

diff --git a/Makefile.tpl b/Makefile.tpl
index 8c19bbfaab5..7893e3481ec 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -6,7 +6,7 @@ in
 #
 # Makefile for directory with subdirs to build.
 #   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-#   1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation
+#   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation
 #
 # This file is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -136,7 +136,8 @@ HOST_CONFIGARGS = @host_configargs@
 # with srcdir=..
 HOST_SUBDIR = @host_subdir@
 # This is the list of variables to export in the environment when
-# configuring subdirectories for the host system.
+# configuring subdirectories for the host system.  We need to pass
+# some to the GCC configure because of its hybrid host/target nature.
 HOST_EXPORTS = \
 	$(BASE_EXPORTS) \
 	CC="$(CC)"; export CC; \
@@ -155,6 +156,13 @@ HOST_EXPORTS = \
 	WINDRES="$(WINDRES)"; export WINDRES; \
 	OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
 	OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \
+	AR_FOR_TARGET="$(AR_FOR_TARGET)"; export AR_FOR_TARGET; \
+	AS_FOR_TARGET="$(AS_FOR_TARGET)"; export AS_FOR_TARGET; \
+	GCC_FOR_TARGET="$(GCC_FOR_TARGET)"; export GCC_FOR_TARGET; \
+	LD_FOR_TARGET="$(LD_FOR_TARGET)"; export LD_FOR_TARGET; \
+	NM_FOR_TARGET="$(NM_FOR_TARGET)"; export NM_FOR_TARGET; \
+	OBJDUMP_FOR_TARGET="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP_FOR_TARGET; \
+	RANLIB_FOR_TARGET="$(RANLIB_FOR_TARGET)"; export RANLIB_FOR_TARGET; \
 	TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
 	GMPLIBS="$(HOST_GMPLIBS)"; export GMPLIBS; \
 	GMPINC="$(HOST_GMPINC)"; export GMPINC; \
@@ -186,7 +194,7 @@ TARGET_CONFIGARGS = @target_configargs@ --with-target-subdir="$(TARGET_SUBDIR)"
 BASE_TARGET_EXPORTS = \
 	$(BASE_EXPORTS) \
 	AR="$(AR_FOR_TARGET)"; export AR; \
-	AS="$(AS_FOR_TARGET)"; export AS; \
+	AS="$(COMPILER_AS_FOR_TARGET)"; export AS; \
 	CC="$(CC_FOR_TARGET)"; export CC; \
 	CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
 	CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
@@ -195,10 +203,11 @@ BASE_TARGET_EXPORTS = \
 	GCJ="$(GCJ_FOR_TARGET)"; export GCJ; \
 	GFORTRAN="$(GFORTRAN_FOR_TARGET)"; export GFORTRAN; \
 	DLLTOOL="$(DLLTOOL_FOR_TARGET)"; export DLLTOOL; \
-	LD="$(LD_FOR_TARGET)"; export LD; \
+	LD="$(COMPILER_LD_FOR_TARGET)"; export LD; \
 	LDFLAGS="$(LDFLAGS_FOR_TARGET)"; export LDFLAGS; \
 	LIPO="$(LIPO_FOR_TARGET)"; export LIPO; \
-	NM="$(NM_FOR_TARGET)"; export NM; \
+	NM="$(COMPILER_NM_FOR_TARGET)"; export NM; \
+	OBJDUMP="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP; \
 	RANLIB="$(RANLIB_FOR_TARGET)"; export RANLIB; \
 	STRIP="$(STRIP_FOR_TARGET)"; export STRIP; \
 	WINDRES="$(WINDRES_FOR_TARGET)"; export WINDRES; \
@@ -246,48 +255,16 @@ BUILD_PREFIX_1 = @BUILD_PREFIX_1@
 # Flags to pass to stage2 and later makes.  They are defined
 # here so that they can be overridden by Makefile fragments.
 BOOT_CFLAGS= -g -O2
+BOOT_LDFLAGS=
 
-CONFIGURED_BISON = @CONFIGURED_BISON@
-BISON = `if [ -f $$r/$(BUILD_SUBDIR)/bison/tests/bison ] ; then \
-	    echo $$r/$(BUILD_SUBDIR)/bison/tests/bison ; \
-	 else \
-	    echo ${CONFIGURED_BISON} ; \
-	 fi`
-
-CONFIGURED_YACC = @CONFIGURED_YACC@
-YACC = `if [ -f $$r/$(BUILD_SUBDIR)/bison/tests/bison ] ; then \
-	    echo $$r/$(BUILD_SUBDIR)/bison/tests/bison -y ; \
-	elif [ -f $$r/$(BUILD_SUBDIR)/byacc/byacc ] ; then \
-	    echo $$r/$(BUILD_SUBDIR)/byacc/byacc ; \
-	else \
-	    echo ${CONFIGURED_YACC} ; \
-	fi`
-
-CONFIGURED_FLEX = @CONFIGURED_FLEX@
-FLEX = `if [ -f $$r/$(BUILD_SUBDIR)/flex/flex ] ; \
-	then echo $$r/$(BUILD_SUBDIR)/flex/flex ; \
-	else echo ${CONFIGURED_FLEX} ; fi`
-
-CONFIGURED_LEX = @CONFIGURED_LEX@
-LEX = `if [ -f $$r/$(BUILD_SUBDIR)/flex/flex ] ; \
-	then echo $$r/$(BUILD_SUBDIR)/flex/flex ; \
-	else echo ${CONFIGURED_LEX} ; fi`
-
-CONFIGURED_M4 = @CONFIGURED_M4@
-M4 = `if [ -f $$r/$(BUILD_SUBDIR)/m4/m4 ] ; \
-	then echo $$r/$(BUILD_SUBDIR)/m4/m4 ; \
-	else echo ${CONFIGURED_M4} ; fi`
-
-# For an installed makeinfo, we require it to be from texinfo 4.2 or
-# higher, else we use the "missing" dummy.  We also pass the subdirectory
-# makeinfo even if only the Makefile is there, because Texinfo builds its
-# manual when made, and it requires its own version.
-CONFIGURED_MAKEINFO = @CONFIGURED_MAKEINFO@
-MAKEINFO = `if [ -f $$r/$(BUILD_SUBDIR)/texinfo/makeinfo/Makefile ] ; \
-	then echo $$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo ; \
-	else if (${CONFIGURED_MAKEINFO} --version \
-	  | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[2-9]|[5-9])') >/dev/null 2>&1; \
-        then echo ${CONFIGURED_MAKEINFO}; else echo $$s/missing makeinfo; fi; fi`
+BISON = @BISON@
+YACC = @YACC@
+FLEX = @FLEX@
+LEX = @LEX@
+M4 = @M4@
+MAKEINFO = @MAKEINFO@
+EXPECT = @EXPECT@
+RUNTEST = @RUNTEST@
 
 # This just becomes part of the MAKEINFO definition passed down to
 # sub-makes.  It lets flags be given on the command line while still
@@ -295,43 +272,29 @@ MAKEINFO = `if [ -f $$r/$(BUILD_SUBDIR)/texinfo/makeinfo/Makefile ] ; \
 # (Default to avoid splitting info files by setting the threshold high.)
 MAKEINFOFLAGS = --split-size=5000000
 
-# FIXME: expect may become a build tool?
-EXPECT = `if [ -f $$r/$(HOST_SUBDIR)/expect/expect ] ; \
-	then echo $$r/$(HOST_SUBDIR)/expect/expect ; \
-	else echo expect ; fi`
-
-RUNTEST = `if [ -f $$s/dejagnu/runtest ] ; \
-	then echo $$s/dejagnu/runtest ; \
-	else echo runtest ; fi`
-
 # ---------------------------------------------
 # Programs producing files for the HOST machine
 # ---------------------------------------------
 
 AS = @AS@
-
 AR = @AR@
 AR_FLAGS = rc
-
 CC = @CC@
-CFLAGS = @CFLAGS@
-LIBCFLAGS = $(CFLAGS)
-
 CXX = @CXX@
-CXXFLAGS = @CXXFLAGS@
-LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
-
 DLLTOOL = @DLLTOOL@
-
-NM = @NM@
-
 LD = @LD@
-LDFLAGS = 
-
+LIPO = @LIPO@
+NM = @NM@
+OBJDUMP = @OBJDUMP@
 RANLIB = @RANLIB@
-
+STRIP = @STRIP@
 WINDRES = @WINDRES@
 
+CFLAGS = @CFLAGS@
+LDFLAGS = 
+LIBCFLAGS = $(CFLAGS)
+CXXFLAGS = @CXXFLAGS@
+LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
 PICFLAG = 
 
 # -----------------------------------------------
@@ -341,225 +304,42 @@ PICFLAG =
 FLAGS_FOR_TARGET = @FLAGS_FOR_TARGET@
 
 AR_FOR_TARGET=@AR_FOR_TARGET@
-CONFIGURED_AR_FOR_TARGET=@CONFIGURED_AR_FOR_TARGET@
-USUAL_AR_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/ar ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/ar ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(AR); \
-    else \
-      echo $(CONFIGURED_AR_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 AS_FOR_TARGET=@AS_FOR_TARGET@
-CONFIGURED_AS_FOR_TARGET=@CONFIGURED_AS_FOR_TARGET@
-USUAL_AS_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gas/as-new ] ; then \
-    echo $$r/$(HOST_SUBDIR)/gas/as-new ; \
-  elif [ -f $$r/$(HOST_SUBDIR)/gcc/as ]; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/as ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(AS); \
-    else \
-      echo $(CONFIGURED_AS_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 CC_FOR_TARGET=$(STAGE_CC_WRAPPER) @CC_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-CONFIGURED_CC_FOR_TARGET=@CONFIGURED_CC_FOR_TARGET@
-USUAL_CC_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gcc/xgcc ] ; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/ ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(CC); \
-    else \
-      echo $(CONFIGURED_CC_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-# During gcc bootstrap, if we use some random cc for stage1 then
-# CFLAGS will be just -g.  We want to ensure that TARGET libraries
-# (which we know are built with gcc) are built with optimizations so
-# prepend -O2 when setting CFLAGS_FOR_TARGET.
-CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
-SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
 
 # If GCC_FOR_TARGET is not overriden on the command line, then this
 # variable is passed down to the gcc Makefile, where it is used to
 # build libgcc2.a.  We define it here so that it can itself be
 # overridden on the command line.
-GCC_FOR_TARGET=@GCC_FOR_TARGET@
-CONFIGURED_GCC_FOR_TARGET=@CONFIGURED_GCC_FOR_TARGET@
-USUAL_GCC_FOR_TARGET = $(STAGE_CC_WRAPPER) \
-  $$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/ $(FLAGS_FOR_TARGET)
-LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
-
+GCC_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCC_FOR_TARGET@ $(FLAGS_FOR_TARGET)
 CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @CXX_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-CONFIGURED_CXX_FOR_TARGET=@CONFIGURED_CXX_FOR_TARGET@
-USUAL_CXX_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gcc/g++ ] ; then \
-    (echo $$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++; \
-    test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; \
-    echo -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs) | tr '\015\012' '  '; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(CXX); \
-    else \
-      echo $(CONFIGURED_CXX_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 RAW_CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @RAW_CXX_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-USUAL_RAW_CXX_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gcc/xgcc ] ; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(CXX); \
-    else \
-      echo $(CONFIGURED_CXX_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
-LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
-
 GCJ_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCJ_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-CONFIGURED_GCJ_FOR_TARGET=@CONFIGURED_GCJ_FOR_TARGET@
-USUAL_GCJ_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gcc/gcj ] ; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(GCJ); \
-    else \
-      echo $(CONFIGURED_GCJ_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 GFORTRAN_FOR_TARGET=$(STAGE_CC_WRAPPER) @GFORTRAN_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-CONFIGURED_GFORTRAN_FOR_TARGET=@CONFIGURED_GFORTRAN_FOR_TARGET@
-USUAL_GFORTRAN_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gcc/gfortran ] ; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(GFORTRAN); \
-    else \
-      echo $(CONFIGURED_GFORTRAN_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-
 DLLTOOL_FOR_TARGET=@DLLTOOL_FOR_TARGET@
-CONFIGURED_DLLTOOL_FOR_TARGET=@CONFIGURED_DLLTOOL_FOR_TARGET@
-USUAL_DLLTOOL_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/dlltool ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/dlltool ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(DLLTOOL); \
-    else \
-      echo $(CONFIGURED_DLLTOOL_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 LD_FOR_TARGET=@LD_FOR_TARGET@
-CONFIGURED_LD_FOR_TARGET=@CONFIGURED_LD_FOR_TARGET@
-USUAL_LD_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/ld/ld-new ] ; then \
-    echo $$r/$(HOST_SUBDIR)/ld/ld-new ; \
-  elif [ -f $$r/$(HOST_SUBDIR)/gcc/collect-ld ]; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/collect-ld ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(LD); \
-    else \
-      echo $(CONFIGURED_LD_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-LDFLAGS_FOR_TARGET = 
 
 LIPO_FOR_TARGET=@LIPO_FOR_TARGET@
-CONFIGURED_LIPO_FOR_TARGET=@CONFIGURED_LIPO_FOR_TARGET@
-USUAL_LIPO_FOR_TARGET = ` \
-  if [ '$(host)' = '$(target)' ] ; then \
-    if [ x'$(LIPO)' != x ]; then \
-       echo $(LIPO); \
-    else \
-       echo lipo; \
-    fi; \
-  else \
-    echo $(CONFIGURED_LIPO_FOR_TARGET) ; \
-  fi`
-
 NM_FOR_TARGET=@NM_FOR_TARGET@
-CONFIGURED_NM_FOR_TARGET=@CONFIGURED_NM_FOR_TARGET@
-USUAL_NM_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/nm-new ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/nm-new ; \
-  elif [ -f $$r/$(HOST_SUBDIR)/gcc/nm ]; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/nm ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(NM); \
-    else \
-      echo $(CONFIGURED_NM_FOR_TARGET) ; \
-    fi; \
-  fi`
-
+OBJDUMP_FOR_TARGET=@OBJDUMP_FOR_TARGET@
 RANLIB_FOR_TARGET=@RANLIB_FOR_TARGET@
-CONFIGURED_RANLIB_FOR_TARGET=@CONFIGURED_RANLIB_FOR_TARGET@
-USUAL_RANLIB_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/ranlib ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/ranlib ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      if [ x'$(RANLIB)' != x ]; then \
-         echo $(RANLIB); \
-      else \
-         echo ranlib; \
-      fi; \
-    else \
-      echo $(CONFIGURED_RANLIB_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 STRIP_FOR_TARGET=@STRIP_FOR_TARGET@
-CONFIGURED_STRIP_FOR_TARGET=@CONFIGURED_STRIP_FOR_TARGET@
-USUAL_STRIP_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/strip ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/strip ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      if [ x'$(STRIP)' != x ]; then \
-         echo $(STRIP); \
-      else \
-         echo strip; \
-      fi; \
-    else \
-      echo $(CONFIGURED_STRIP_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 WINDRES_FOR_TARGET=@WINDRES_FOR_TARGET@
-CONFIGURED_WINDRES_FOR_TARGET=@CONFIGURED_WINDRES_FOR_TARGET@
-USUAL_WINDRES_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/windres ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/windres ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(WINDRES); \
-    else \
-      echo $(CONFIGURED_WINDRES_FOR_TARGET) ; \
-    fi; \
-  fi`
 
+COMPILER_AS_FOR_TARGET=@COMPILER_AS_FOR_TARGET@
+COMPILER_LD_FOR_TARGET=@COMPILER_LD_FOR_TARGET@
+COMPILER_NM_FOR_TARGET=@COMPILER_NM_FOR_TARGET@
+
+# During gcc bootstrap, if we use some random cc for stage1 then
+# CFLAGS will be just -g.  We want to ensure that TARGET libraries
+# (which we know are built with gcc) are built with optimizations so
+# prepend -O2 when setting CFLAGS_FOR_TARGET.
+CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
+SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
+CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
+LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
+LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
+LDFLAGS_FOR_TARGET = 
 PICFLAG_FOR_TARGET = 
 
 # ------------------------------------
@@ -626,8 +406,11 @@ EXTRA_HOST_FLAGS = \
 	'CXX=$(CXX)' \
 	'DLLTOOL=$(DLLTOOL)' \
 	'LD=$(LD)' \
+	'LIPO=$(LIPO)' \
 	'NM=$(NM)' \
+	'OBJDUMP=$(OBJDUMP)' \
 	'RANLIB=$(RANLIB)' \
+	'STRIP=$(STRIP)' \
 	'WINDRES=$(WINDRES)'
 
 FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS)
@@ -645,21 +428,23 @@ X11_FLAGS_TO_PASS = \
 	'X11_EXTRA_LIBS=$(X11_EXTRA_LIBS)'
 
 # Flags to pass down to makes which are built with the target environment.
-# The double $ decreases the length of the command line; the variables
-# are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them.
+# The double $ decreases the length of the command line; those variables
+# are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them.  The
+# COMPILER_ prefixed variables are not passed down so we expand them here.
 EXTRA_TARGET_FLAGS = \
 	'AR=$$(AR_FOR_TARGET)' \
-	'AS=$$(AS_FOR_TARGET)' \
+	'AS=$(COMPILER_AS_FOR_TARGET)' \
 	'CC=$$(CC_FOR_TARGET)' \
 	'CFLAGS=$$(CFLAGS_FOR_TARGET)' \
 	'CXX=$$(CXX_FOR_TARGET)' \
 	'CXXFLAGS=$$(CXXFLAGS_FOR_TARGET)' \
 	'DLLTOOL=$$(DLLTOOL_FOR_TARGET)' \
-	'LD=$$(LD_FOR_TARGET)' \
+	'LD=$(COMPILER_LD_FOR_TARGET)' \
 	'LDFLAGS=$$(LDFLAGS_FOR_TARGET)' \
 	'LIBCFLAGS=$$(LIBCFLAGS_FOR_TARGET)' \
 	'LIBCXXFLAGS=$$(LIBCXXFLAGS_FOR_TARGET)' \
-	'NM=$$(NM_FOR_TARGET)' \
+	'NM=$(COMPILER_NM_FOR_TARGET)' \
+	'OBJDUMP=$$(OBJDUMP_FOR_TARGET)' \
 	'RANLIB=$$(RANLIB_FOR_TARGET)' \
 	'WINDRES=$$(WINDRES_FOR_TARGET)'
 
@@ -681,8 +466,6 @@ EXTRA_GCC_FLAGS = \
 	"`echo 'LIBGCC2_CFLAGS=$(LIBGCC2_CFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
 	"`echo 'LIBGCC2_DEBUG_CFLAGS=$(LIBGCC2_DEBUG_CFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
 	"`echo 'LIBGCC2_INCLUDES=$(LIBGCC2_INCLUDES)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
-	"`echo 'STAGE1_CFLAGS=$(STAGE1_CFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
-	"`echo 'BOOT_CFLAGS=$(BOOT_CFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
 	"`echo 'BOOT_ADAFLAGS=$(BOOT_ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"
 
 GCC_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS) $(EXTRA_GCC_FLAGS)
@@ -702,29 +485,19 @@ configure-target: [+
 .PHONY: all
 all:
 @if gcc-bootstrap
+	[ -f stage_final ] || echo stage3 > stage_final
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	if [ ! -f stage_last ]; then \
-	  $(MAKE) $(RECURSE_FLAGS_TO_PASS) bootstrap; \
-	fi
+	$(MAKE) $(RECURSE_FLAGS_TO_PASS) `cat stage_final`-bubble
 @endif gcc-bootstrap
-	@$(unstage)
-@if gcc-no-bootstrap
-	@r=`${PWD_COMMAND}`; export r; \
-	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(MAKE) $(RECURSE_FLAGS_TO_PASS) all-prebootstrap
-@endif gcc-no-bootstrap
+	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
 	if [ -f stage_last ]; then \
-	  $(MAKE) $(TARGET_FLAGS_TO_PASS) all-host; \
+	  $(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target; \
 	else \
-	  $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-host; \
+	  $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-host all-target; \
 	fi
-	@r=`${PWD_COMMAND}`; export r; \
-	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(MAKE) $(RECURSE_FLAGS_TO_PASS) all-target
-	@$(stage)
 
 .PHONY: all-build
 all-build: [+
@@ -749,10 +522,11 @@ all-target: [+
 [+ FOR recursive_targets +]
 .PHONY: do-[+make_target+]
 do-[+make_target+]:
-	@$(unstage)
-	@$(MAKE) $(RECURSE_FLAGS_TO_PASS) [+make_target+]-host \
+	@: $(MAKE); $(unstage)
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(MAKE) $(RECURSE_FLAGS_TO_PASS) [+make_target+]-host \
 	  [+make_target+]-target
-	@$(stage)
 
 
 .PHONY: [+make_target+]-host
@@ -793,7 +567,7 @@ local-clean:
 
 local-distclean:
 	-rm -f Makefile config.status config.cache mh-frag mt-frag
-	-rm -f multilib.out multilib.tmp maybedep.tmp serdep.tmp
+	-rm -f maybedep.tmp serdep.tmp
 	-if [ "$(TARGET_SUBDIR)" != "." ]; then \
 	  rm -rf $(TARGET_SUBDIR); \
 	else true; fi
@@ -818,14 +592,10 @@ maintainer-clean: local-maintainer-clean do-maintainer-clean local-clean
 maintainer-clean: local-distclean
 realclean: maintainer-clean
 
-# Extra dependency for clean-target, owing to the mixed nature of gcc
+# Extra dependency for clean-target, owing to the mixed nature of gcc.
 clean-target: clean-target-libgcc
 clean-target-libgcc:
-	test ! -d gcc/libgcc || \
-	(cd gcc/libgcc && find . -type d -print) | \
-	while read d; do rm -f gcc/$$d/libgcc.a || : ; done
-	-rm -rf gcc/libgcc
-	-rm -f gcc/stmp-dirs
+	test ! -d gcc || (cd gcc && $(MAKE) $@)
 
 # Check target.
 
@@ -846,9 +616,10 @@ check-target: [+
   ENDFOR target_modules +]
 
 do-check:
-	@$(unstage)
-	@$(MAKE) $(RECURSE_FLAGS_TO_PASS) check-host check-target
-	@$(stage)
+	@: $(MAKE); $(unstage)
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(MAKE) $(RECURSE_FLAGS_TO_PASS) check-host check-target
 
 # Automated reporting of test results.
 
@@ -875,9 +646,10 @@ mail-report-with-warnings.log: warning.log
 
 .PHONY: install uninstall
 install:
-	@$(unstage)
-	@$(MAKE) $(RECURSE_FLAGS_TO_PASS) installdirs install-host install-target
-	@$(stage)
+	@: $(MAKE); $(unstage)
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(MAKE) $(RECURSE_FLAGS_TO_PASS) installdirs install-host install-target
 
 .PHONY: install-host-nogcc
 install-host-nogcc: [+
@@ -904,6 +676,7 @@ uninstall:
 install.all: install-no-fixedincludes
 	@if [ -f ./gcc/Makefile ] ; then \
 		r=`${PWD_COMMAND}` ; export r ; \
+		s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
 		$(HOST_EXPORTS) \
 		(cd ./gcc && \
 		$(MAKE) $(FLAGS_TO_PASS) install-headers) ; \
@@ -956,10 +729,26 @@ TAGS: do-TAGS
 maybe-configure-[+prefix+][+module+]:
 @if [+prefix+][+module+]
 maybe-configure-[+prefix+][+module+]: configure-[+prefix+][+module+]
-configure-[+prefix+][+module+]: [+deps+]
+configure-[+prefix+][+module+]:
 	@[+ IF bootstrap +]test -f stage_last && exit 0; \
-	[+ ELSE bootstrap +]$(unstage)
-	@[+ ENDIF bootstrap +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
+	[+ ELSE bootstrap +]: $(MAKE); $(unstage)
+	@[+ ENDIF bootstrap +][+ IF check_multilibs
+	+]r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	echo "Checking multilib configuration for [+module+]..."; \
+	$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+] ; \
+	$(CC_FOR_TARGET) --print-multi-lib > [+subdir+]/[+module+]/multilib.tmp 2> /dev/null ; \
+	if test -r [+subdir+]/[+module+]/multilib.out; then \
+	  if cmp -s [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; then \
+	    rm -f [+subdir+]/[+module+]/multilib.tmp; \
+	  else \
+	    rm -f [+subdir+]/[+module+]/Makefile; \
+	    mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
+	  fi; \
+	else \
+	  mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
+	fi
+	@[+ ENDIF check_multilibs +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
 	$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+] ; \
 	r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
@@ -983,16 +772,31 @@ configure-[+prefix+][+module+]: [+deps+]
 [+ FOR bootstrap_stage +]
 .PHONY: configure-stage[+id+]-[+prefix+][+module+] maybe-configure-stage[+id+]-[+prefix+][+module+]
 maybe-configure-stage[+id+]-[+prefix+][+module+]:
-@if [+module+]-bootstrap
+@if [+prefix+][+module+]-bootstrap
 maybe-configure-stage[+id+]-[+prefix+][+module+]: configure-stage[+id+]-[+prefix+][+module+]
-configure-stage[+id+]-[+prefix+][+module+]: [+deps+]
+configure-stage[+id+]-[+prefix+][+module+]:
 	@[ `cat stage_current` = stage[+id+] ] || $(MAKE) stage[+id+]-start
-	@[ -f [+subdir+]/[+module+]/Makefile ] && exit 0 || : ; \
-	r=`${PWD_COMMAND}`; export r; \
+	@$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+]
+	[+ IF check_multilibs
+	+]@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	echo "Checking multilib configuration for [+module+]..."; \
+	$(CC_FOR_TARGET) --print-multi-lib > [+subdir+]/[+module+]/multilib.tmp 2> /dev/null ; \
+	if test -r [+subdir+]/[+module+]/multilib.out; then \
+	  if cmp -s [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; then \
+	    rm -f [+subdir+]/[+module+]/multilib.tmp; \
+	  else \
+	    rm -f [+subdir+]/[+module+]/Makefile; \
+	    mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
+	  fi; \
+	else \
+	  mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
+	fi
+	@[+ ENDIF check_multilibs +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
 	[+exports+][+ IF prev +] \
 	[+poststage1_exports+][+ ENDIF prev +] \
 	echo Configuring stage [+id+] in [+subdir+]/[+module+] ; \
+	$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+] ; \
 	cd [+subdir+]/[+module+] || exit 1; \
 	case $(srcdir) in \
 	  /* | [A-Za-z]:[\\/]*) topdir=$(srcdir) ;; \
@@ -1004,7 +808,7 @@ configure-stage[+id+]-[+prefix+][+module+]: [+deps+]
 	$(SHELL) $${libsrcdir}/configure \
 	  [+args+] $${srcdiroption} \
 	  [+stage_configure_flags+] [+extra_configure_flags+]
-@endif [+module+]-bootstrap
+@endif [+prefix+][+module+]-bootstrap
 [+ ENDFOR bootstrap_stage +]
 [+ ENDIF bootstrap +]
 [+ ENDDEF +]
@@ -1018,7 +822,7 @@ TARGET-[+prefix+][+module+]=[+
 maybe-all-[+prefix+][+module+]: all-[+prefix+][+module+]
 all-[+prefix+][+module+]: configure-[+prefix+][+module+]
 	@[+ IF bootstrap +]test -f stage_last && exit 0; \
-	[+ ELSE bootstrap +]$(unstage)
+	[+ ELSE bootstrap +]: $(MAKE); $(unstage)
 	@[+ ENDIF bootstrap +]r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
 	[+exports+] \
@@ -1032,7 +836,7 @@ all-[+prefix+][+module+]: configure-[+prefix+][+module+]
 .PHONY: clean-stage[+id+]-[+prefix+][+module+] maybe-clean-stage[+id+]-[+prefix+][+module+]
 maybe-all-stage[+id+]-[+prefix+][+module+]:
 maybe-clean-stage[+id+]-[+prefix+][+module+]:
-@if [+module+]-bootstrap
+@if [+prefix+][+module+]-bootstrap
 maybe-all-stage[+id+]-[+prefix+][+module+]: all-stage[+id+]-[+prefix+][+module+]
 all-stage[+id+]: all-stage[+id+]-[+prefix+][+module+]
 TARGET-stage[+id+]-[+prefix+][+module+] = $(TARGET-[+prefix+][+module+])
@@ -1053,12 +857,12 @@ clean-stage[+id+]: clean-stage[+id+]-[+prefix+][+module+]
 clean-stage[+id+]-[+prefix+][+module+]:
 	@[ -f [+subdir+]/[+module+]/Makefile ] || [ -f [+subdir+]/stage[+id+]-[+module+]/Makefile ] \
 	  || exit 0 ; \
-	@[ `cat stage_current` = stage[+id+] ] || $(MAKE) stage[+id+]-start
+	[ `cat stage_current` = stage[+id+] ] || $(MAKE) stage[+id+]-start
 	cd [+subdir+]/[+module+] && \
 	$(MAKE) [+args+] [+ IF prev +] \
 		[+poststage1_args+] [+ ENDIF prev +] \
 		[+stage_make_flags+] [+extra_make_flags+] clean
-@endif [+module+]-bootstrap
+@endif [+prefix+][+module+]-bootstrap
 
 [+ ENDFOR bootstrap_stage +]
 [+ ENDIF bootstrap +]
@@ -1098,7 +902,7 @@ check-[+module+]:
 [+ ELIF no_check_cross +]
 # This module is only tested in a native toolchain.
 check-[+module+]:
-	@$(unstage)
+	@: $(MAKE); $(unstage)
 	@if [ '$(host)' = '$(target)' ] ; then \
 	  r=`${PWD_COMMAND}`; export r; \
 	  s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
@@ -1108,7 +912,7 @@ check-[+module+]:
 	fi
 [+ ELSE check +]
 check-[+module+]:
-	@$(unstage)
+	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
 	$(HOST_EXPORTS) \
@@ -1125,7 +929,7 @@ maybe-install-[+module+]: install-[+module+]
 install-[+module+]:
 [+ ELSE install +]
 install-[+module+]: installdirs
-	@$(unstage)
+	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
 	$(HOST_EXPORTS) \
@@ -1148,7 +952,7 @@ maybe-[+make_target+]-[+module+]: [+make_target+]-[+module+]
   FOR depend +]\
     [+depend+]-[+module+] [+
   ENDFOR depend +]
-	@[+ IF bootstrap +][+ ELSE +]$(unstage)
+	@[+ IF bootstrap +][+ ELSE +]: $(MAKE); $(unstage)
 	@[+ ENDIF bootstrap +][ -f ./[+module+]/Makefile ] || exit 0; \
 	r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
@@ -1174,17 +978,9 @@ maybe-[+make_target+]-[+module+]: [+make_target+]-[+module+]
 # ---------------------------------------
 [+ FOR target_modules +]
 
-# There's only one multilib.out.  Cleverer subdirs shouldn't need it copied.
-@if target-[+module+]
-$(TARGET_SUBDIR)/[+module+]/multilib.out: multilib.out
-	$(SHELL) $(srcdir)/mkinstalldirs $(TARGET_SUBDIR)/[+module+] ; \
-	rm -f $(TARGET_SUBDIR)/[+module+]/Makefile || : ; \
-	cp multilib.out $(TARGET_SUBDIR)/[+module+]/multilib.out
-@endif target-[+module+]
-
 [+ IF raw_cxx +]
 [+ configure prefix="target-" subdir="$(TARGET_SUBDIR)"
-	     deps=(string-append "$(TARGET_SUBDIR)/" (get "module") "/multilib.out")
+	     check_multilibs=true
 	     exports="$(RAW_CXX_TARGET_EXPORTS)"
 	     args="$(TARGET_CONFIGARGS)" no-config-site=true +]
 
@@ -1193,7 +989,7 @@ $(TARGET_SUBDIR)/[+module+]/multilib.out: multilib.out
        args="$(TARGET_FLAGS_TO_PASS) 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)'" +]
 [+ ELSE +]
 [+ configure prefix="target-" subdir="$(TARGET_SUBDIR)"
-	     deps=(string-append "$(TARGET_SUBDIR)/" (get "module") "/multilib.out")
+	     check_multilibs=true
 	     exports="$(NORMAL_TARGET_EXPORTS)"
 	     args="$(TARGET_CONFIGARGS)" no-config-site=true +]
 
@@ -1211,7 +1007,7 @@ maybe-check-target-[+module+]: check-target-[+module+]
 check-target-[+module+]:
 [+ ELSE check +]
 check-target-[+module+]:
-	@$(unstage)
+	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
 IF raw_cxx +]
@@ -1237,7 +1033,7 @@ maybe-install-target-[+module+]: install-target-[+module+]
 install-target-[+module+]:
 [+ ELSE install +]
 install-target-[+module+]: installdirs
-	@$(unstage)
+	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
 IF raw_cxx +]
@@ -1264,7 +1060,7 @@ maybe-[+make_target+]-target-[+module+]: [+make_target+]-target-[+module+]
   FOR depend +]\
     [+depend+]-target-[+module+] [+
   ENDFOR depend +]
-	@$(unstage)
+	@: $(MAKE); $(unstage)
 	@[ -f $(TARGET_SUBDIR)/[+module+]/Makefile ] || exit 0 ; \
 	r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
@@ -1407,29 +1203,34 @@ gcc-no-fixedincludes:
 # are dummy when toplevel bootstrap is not active.
 
 # While making host and target tools, symlinks to the final stage must be
-# there, so $(MAKE) $(unstage) should be run at various points.  To avoid
-# excessive recursive invocations of make, we "inline" them using a variable.
+# there, so $(unstage) should be run at various points.  To avoid excessive
+# recursive invocations of make, we "inline" them using a variable.  These
+# must be referenced as ": $(MAKE) ; $(unstage)" rather than "$(unstage)"
+# to avoid warnings from the GNU Make job server.
 
 unstage = :
 stage = :
 
 @if gcc-bootstrap
 unstage = [ -f stage_current ] || $(MAKE) `cat stage_last`-start
-stage = $(MAKE) `cat stage_current`-end
+stage = if [ -f stage_current ]; then $(MAKE) `cat stage_current`-end || exit 1; else :; fi
 @endif gcc-bootstrap
 
 .PHONY: unstage stage
 unstage:
-	@$(unstage)
+	@: $(MAKE); $(unstage)
 stage:
-	@$(stage)
+	@: $(MAKE); $(stage)
+
+# Disable commands for lean bootstrap.
+LEAN = false
 
 # We name the build directories for the various stages "stage1-gcc",
 # "stage2-gcc","stage3-gcc", etc.
 
 # Since the 'compare' process will fail (on debugging information) if any
 # directory names are different, we need to link the gcc directory for
-# the previous stage to a constant name ('gcc-prev'), and to make the name of
+# the previous stage to a constant name ('prev-gcc'), and to make the name of
 # the build directories constant as well. For the latter, we use naked names
 # like 'gcc', because the scripts in that directory assume it.  We use
 # mv on platforms where symlinks to directories do not work or are not
@@ -1455,6 +1256,7 @@ POSTSTAGE1_FLAGS_TO_PASS = \
 	CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
 	STAGE_PREFIX=$$r/prev-gcc/ \
 	CFLAGS="$(BOOT_CFLAGS)" \
+	LDFLAGS="$(BOOT_LDFLAGS)" \
 	ADAC="\$$(CC)"
 
 # For stage 1:
@@ -1470,58 +1272,54 @@ POSTSTAGE1_FLAGS_TO_PASS = \
 .PHONY: stage[+id+]-start stage[+id+]-end
 
 stage[+id+]-start::
-	@[ -f stage_current ] && $(MAKE) `cat stage_current`-end || : ; \
+	@: $(MAKE); $(stage); \
 	echo stage[+id+] > stage_current ; \
 	echo stage[+id+] > stage_last; \
-	$(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR) $(TARGET_SUBDIR)[+
+	$(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)[+
    FOR host_modules +][+ IF bootstrap +]
 @if [+ module +]
 	@cd $(HOST_SUBDIR); [ -d stage[+id+]-[+module+] ] || \
 	  mkdir stage[+id+]-[+module+]; \
-	set stage[+id+]-[+module+] [+module+] ; \
-	@CREATE_LINK_TO_DIR@ [+ IF prev +] ; \
-	set stage[+prev+]-[+module+] prev-[+module+] ; \
-	@CREATE_LINK_TO_DIR@ [+ ENDIF prev +]
-@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR host_modules +][+
-   FOR target_modules +][+ IF bootstrap +]
-@if target-[+ module +]
-	@cd $(TARGET_SUBDIR); [ -d stage[+id+]-[+module+] ] || \
-	  mkdir stage[+id+]-[+module+]; \
-	set stage[+id+]-[+module+] [+module+] ; \
-	@CREATE_LINK_TO_DIR@ [+ IF prev +] ; \
-	set stage[+prev+]-[+module+] prev-[+module+] ; \
-	@CREATE_LINK_TO_DIR@ [+ ENDIF prev +]
-@endif target-[+ module +][+ ENDIF bootstrap +][+ ENDFOR target_modules +]
-
-stage[+id+]-end::
-	@rm -f stage_current[+ FOR host_modules +][+ IF bootstrap +]
+	mv stage[+id+]-[+module+] [+module+] [+ IF prev +] ; \
+	mv stage[+prev+]-[+module+] prev-[+module+] || test -f stage[+prev+]-lean [+ ENDIF prev +]
+@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR host_modules +]
+	@[ -d stage[+id+]-$(TARGET_SUBDIR) ] || \
+	  mkdir stage[+id+]-$(TARGET_SUBDIR); \
+	mv stage[+id+]-$(TARGET_SUBDIR) $(TARGET_SUBDIR) [+ IF prev +] ; \
+	mv stage[+prev+]-$(TARGET_SUBDIR) prev-$(TARGET_SUBDIR) || test -f stage[+prev+]-lean [+ ENDIF prev +]
+
+stage[+id+]-end:: [+ FOR host_modules +][+ IF bootstrap +]
 @if [+ module +]
-	@cd $(HOST_SUBDIR); set [+module+] stage[+id+]-[+module+] ; \
-	@UNDO_LINK_TO_DIR@ [+ IF prev +] ; \
-	set prev-[+module+] stage[+prev+]-[+module+] ; \
-	@UNDO_LINK_TO_DIR@ [+ ENDIF prev +]
-@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR host_modules +][+
-   FOR target_modules +][+ IF bootstrap +]
-@if target-[+ module +]
-	@cd $(HOST_SUBDIR); set [+module+] stage[+id+]-[+module+] ; \
-	@UNDO_LINK_TO_DIR@ [+ IF prev +] ; \
-	set prev-[+module+] stage[+prev+]-[+module+] ; \
-	@UNDO_LINK_TO_DIR@ [+ ENDIF prev +]
-@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR target_modules +]
-
-# Bubble a bugfix through all the stages up to stage [+id+].  They
-# are remade, but not reconfigured.  The next stage (if any) will not
-# be reconfigured as well.
+	@if test -d $(HOST_SUBDIR)/[+module+] ; then \
+	  cd $(HOST_SUBDIR); mv [+module+] stage[+id+]-[+module+] [+ IF prev +]; \
+	  mv prev-[+module+] stage[+prev+]-[+module+] ; : [+ ENDIF prev +] ; \
+	fi
+@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR host_modules +]
+	@if test -d $(TARGET_SUBDIR) ; then \
+	  mv $(TARGET_SUBDIR) stage[+id+]-$(TARGET_SUBDIR) [+ IF prev +] ; \
+	  mv prev-$(TARGET_SUBDIR) stage[+prev+]-$(TARGET_SUBDIR) ; : [+ ENDIF prev +] ; \
+	fi
+	rm -f stage_current
+
+# Bubble a bugfix through all the stages up to stage [+id+].  They are
+# remade, but not reconfigured.  The next stage (if any) will not be
+# reconfigured as well.
 .PHONY: stage[+id+]-bubble
-stage[+id+]-bubble:: [+ IF prev +]stage[+prev+]-bubble[+ ENDIF +][+IF lean +]
-	@bootstrap_lean@-rm -rf stage[+lean+]-* ; $(STAMP) stage[+lean+]-lean[+ ENDIF lean +]
-	@if test -f stage[+id+]-lean [+
+stage[+id+]-bubble:: [+ IF prev +]stage[+prev+]-bubble[+ ENDIF +]
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	if test -f stage[+id+]-lean [+
 	  IF prev +]|| test -f stage[+prev+]-lean [+ ENDIF prev +] ; then \
 	  echo Skipping rebuild of stage[+id+] ; \
 	else \
-	  $(MAKE) stage[+id+]-start; \
+	  $(MAKE) stage[+id+]-start; \[+IF lean +]
+	  if $(LEAN); then \
+	    rm -rf stage[+lean+]-* ; \
+	    $(STAMP) stage[+lean+]-lean ; \
+	  fi; \[+ ENDIF lean +]
 	  $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stage[+id+]; \
-	fi
+	fi[+ IF compare-target +]
+	$(MAKE) $(RECURSE_FLAGS_TO_PASS) [+compare-target+][+ ENDIF compare-target +]
 
 .PHONY: all-stage[+id+] clean-stage[+id+]
 do-clean: clean-stage[+id+]
@@ -1531,13 +1329,13 @@ do-clean: clean-stage[+id+]
 @if gcc-bootstrap
 [+ IF compare-target +]
 [+compare-target+]:
-	@if test -f stage[+prev+]-lean; then \
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	if test -f stage[+prev+]-lean; then \
 	  echo Cannot compare object files as stage [+prev+] was deleted. ; \
 	  exit 0 ; \
 	fi; \
-	[ -f stage_current ] && $(MAKE) `cat stage_current`-end || : ; \
-	@r=`${PWD_COMMAND}`; export r; \
-	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	: $(MAKE); $(stage); \
 	rm -f .bad_compare ; \
 	cd stage[+id+]-gcc; \
 	files=`find . -name "*$(objext)" -print` ; \
@@ -1562,21 +1360,40 @@ do-clean: clean-stage[+id+]
 	  true; \
 	fi ; \
 	$(STAMP) [+compare-target+][+ IF prev +]
-	@bootstrap_lean@-rm -rf stage[+prev+]-* ; $(STAMP) stage[+prev+]-lean[+ ENDIF prev +]
+	if $(LEAN); then \
+	  rm -rf stage[+prev+]-*; \
+	  $(STAMP) stage[+prev+]-lean; \
+	fi[+ ENDIF prev +]
 [+ ENDIF compare-target +]
 
 [+ IF bootstrap-target +]
-.PHONY: [+bootstrap-target+]
-[+bootstrap-target+]: stage[+id+]-bubble
-	[+ IF compare-target +]$(MAKE) [+compare-target+]
-	[+ ENDIF compare-target +]$(MAKE) $(RECURSE_FLAGS_TO_PASS) all
+.PHONY: [+bootstrap-target+] [+bootstrap-target+]-lean
+[+bootstrap-target+]:
+	echo stage[+id+] > stage_final
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(MAKE) $(RECURSE_FLAGS_TO_PASS) stage[+id+]-bubble
+	@: $(MAKE); $(unstage)
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
+
+[+bootstrap-target+]-lean:
+	echo stage[+id+] > stage_final
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(MAKE) $(RECURSE_FLAGS_TO_PASS) LEAN=: stage[+id+]-bubble
+	@: $(MAKE); $(unstage)
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
 [+ ENDIF bootstrap-target +]
 
 # Rules to wipe a stage and all the following ones, also used for cleanstrap
 [+ IF prev +]distclean-stage[+prev+]:: distclean-stage[+id+] [+ ENDIF prev +]
 .PHONY: distclean-stage[+id+]
 distclean-stage[+id+]::
-	[ -f stage_current ] && $(MAKE) `cat stage_current`-end || :
+	@: $(MAKE); $(stage)
 	rm -rf stage[+id+]-* [+
 	  IF compare-target +][+compare-target+] [+ ENDIF compare-target +]
 
@@ -1729,8 +1546,12 @@ all-prebootstrap: maybe-all-[+module+][+
 ENDFOR host_modules +]
 @endif gcc-no-bootstrap
 
+CONFIGURE_GDB_TK = @CONFIGURE_GDB_TK@
 GDB_TK = @GDB_TK@
+INSTALL_GDB_TK = @INSTALL_GDB_TK@
+configure-gdb: $(CONFIGURE_GDB_TK)
 all-gdb: $(gdbnlmrequirements) $(GDB_TK)
+install-gdb: $(INSTALL_GDB_TK)
 
 # Serialization dependencies.  Host configures don't work well in parallel to
 # each other, due to contention over config.cache.  Target configures and 
@@ -1741,17 +1562,6 @@ all-gdb: $(gdbnlmrequirements) $(GDB_TK)
 # Regenerating top level configury
 # --------------------------------
 
-# Multilib.out tells target dirs what multilibs they should build.
-# There is really only one copy.  We use the 'timestamp' method to
-# work around various timestamp bugs on some systems.
-# We use move-if-change so that it's only considered updated when it
-# actually changes, because it has to depend on a phony target.
-multilib.out: maybe-all-gcc
-	@r=`${PWD_COMMAND}`; export r; \
-	echo "Checking multilib configuration..."; \
-	$(CC_FOR_TARGET) --print-multi-lib > multilib.tmp 2> /dev/null ; \
-	$(SHELL) $(srcdir)/move-if-change multilib.tmp multilib.out ; \
-
 # Rebuilding Makefile.in, using autogen.
 AUTOGEN = autogen
 $(srcdir)/Makefile.in: @MAINT@ $(srcdir)/Makefile.tpl $(srcdir)/Makefile.def