X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=Makefile.tpl;h=0a79790a3f22474394a346fcfcd72e4d935d3bab;hb=123494c8792fe97abef23162b386a43c82380a87;hp=dc99532abe83704d0d0faf6a74d8d188ebf47d52;hpb=a2cc058a4389a2a7b68dec6ce628bcb099df713b;p=binutils-gdb.git

diff --git a/Makefile.tpl b/Makefile.tpl
index dc99532abe8..0a79790a3f2 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 Free Software Foundation
+#   1999, 2000, 2001, 2002, 2003 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
@@ -23,14 +23,10 @@ in
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #
 
-# Tell GNU make 3.79 not to run the top level in parallel.  This 
-# prevents contention for $builddir/$target/config.cache, as well
-# as minimizing scatter in file system caches.
-NOTPARALLEL = .NOTPARALLEL
-$(NOTPARALLEL):
-
+# -------------------------------
+# Standard Autoconf-set variables
+# -------------------------------
 VPATH=@srcdir@
-links=@configlinks@
 
 build_alias=@build_alias@
 build_cpu=@build_cpu@
@@ -48,18 +44,13 @@ target_vendor=@target_vendor@
 target_os=@target_os@
 target_canonical=@target_cpu@-@target_vendor@-@target_os@
 
-enable_shared = @enable_shared@
-enable_threads = @enable_threads@
-enable_version_specific_runtime_libs = @enable_version_specific_runtime_libs@
-# The file containing GCC's version number.
-gcc_version_trigger = @gcc_version_trigger@
-gcc_version = @gcc_version@
-
-srcdir = @srcdir@
+program_transform_name = @program_transform_name@
 
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 
+srcdir = @srcdir@
+
 bindir = @bindir@
 sbindir = @sbindir@
 libexecdir = @libexecdir@
@@ -72,13 +63,6 @@ includedir = @includedir@
 oldincludedir = @oldincludedir@
 infodir = @infodir@
 mandir = @mandir@
-gxx_include_dir=@gxx_include_dir@
-
-tooldir = @tooldir@
-build_tooldir = @build_tooldir@
-
-program_transform_name = @program_transform_name@
-
 man1dir = $(mandir)/man1
 man2dir = $(mandir)/man2
 man3dir = $(mandir)/man3
@@ -88,17 +72,6 @@ man6dir = $(mandir)/man6
 man7dir = $(mandir)/man7
 man8dir = $(mandir)/man8
 man9dir = $(mandir)/man9
-# Directory in which the compiler finds executables, libraries, etc.
-libsubdir = $(libdir)/gcc-lib/$(target_alias)/$(gcc_version)
-GDB_NLM_DEPS = 
-
-SHELL = @config_shell@
-
-# pwd command to use.  Allow user to override default by setting PWDCMD in
-# the environment to account for automounters.  The make variable must not
-# be called PWDCMD, otherwise the value set here is passed to make
-# subprocesses and overrides the setting from the user's environment.
-PWD = $${PWDCMD-pwd}
 
 # INSTALL_PROGRAM_ARGS is changed by configure.in to use -x for a
 # cygwin host.
@@ -109,52 +82,89 @@ INSTALL_PROGRAM = $(INSTALL) $(INSTALL_PROGRAM_ARGS)
 INSTALL_SCRIPT = $(INSTALL)
 INSTALL_DATA = $(INSTALL) -m 644
 
-AS = @AS@
-AR = @AR@
-AR_FLAGS = rc
-CC = cc
+# -------------------------------------------------
+# Miscellaneous non-standard autoconf-set variables
+# -------------------------------------------------
 
-# Special variables passed down in EXTRA_GCC_FLAGS.  They are defined
-# here so that they can be overridden by Makefile fragments.
-BUILD_CC = $(CC_FOR_BUILD)
-BUILD_PREFIX = @BUILD_PREFIX@
-BUILD_PREFIX_1 = @BUILD_PREFIX_1@
+links=@configlinks@
+# The file containing GCC's version number.
+gcc_version_trigger = @gcc_version_trigger@
+gcc_version = @gcc_version@
 
-# These flag values are normally overridden by the configure script.
-CFLAGS = -g
-CXXFLAGS = -g -O2
+# The gcc driver likes to know the arguments it was configured with.
+TOPLEVEL_CONFIGURE_ARGUMENTS=@TOPLEVEL_CONFIGURE_ARGUMENTS@
 
-LDFLAGS = 
-LIBCFLAGS = $(CFLAGS)
-CFLAGS_FOR_BUILD = $(CFLAGS)
-# 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)
-LDFLAGS_FOR_TARGET = 
-LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
-PICFLAG = 
-PICFLAG_FOR_TARGET = 
+gxx_include_dir = @gxx_include_dir@
+libstdcxx_incdir = @libstdcxx_incdir@
 
-CXX = c++
+tooldir = @tooldir@
+build_tooldir = @build_tooldir@
 
-# Use -O2 to stress test the compiler.
-LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
-CXXFLAGS_FOR_TARGET = $(CXXFLAGS)
-LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
+# Directory in which the compiler finds executables, libraries, etc.
+libsubdir = $(libdir)/gcc-lib/$(target_alias)/$(gcc_version)
+GDB_NLM_DEPS = 
 
-DLLTOOL = @DLLTOOL@
-WINDRES = @WINDRES@
+# This is the name of the environment variable used for the path to
+# the libraries.
+RPATH_ENVVAR = @RPATH_ENVVAR@
 
-NM = @NM@
+# This is set by configure to REALLY_SET_LIB_PATH if --enable-shared
+# was used.
+SET_LIB_PATH = @SET_LIB_PATH@
 
-LD = @LD@
+# configure.in sets SET_LIB_PATH to this if --enable-shared was used.
+# Some platforms don't like blank entries, so we remove duplicate,
+# leading and trailing colons.
+REALLY_SET_LIB_PATH = \
+  $(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH):$(TARGET_LIB_PATH):$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
 
-# These values are substituted by configure.
-DEFAULT_YACC = @DEFAULT_YACC@
-DEFAULT_LEX = @DEFAULT_LEX@
-DEFAULT_M4 = @DEFAULT_M4@
+# This is the list of directories to be built for the build system.
+BUILD_CONFIGDIRS = libiberty
+# Build programs are put under this directory.
+BUILD_SUBDIR = @build_subdir@
+# This is set by the configure script to the arguments to use when configuring
+# directories built for the build system.
+BUILD_CONFIGARGS = @build_configargs@
+
+# This is the list of directories to built for the host system.
+SUBDIRS = @configdirs@
+# This is set by the configure script to the arguments to use when configuring
+# directories built for the host system.
+HOST_CONFIGARGS = @host_configargs@
+
+# This is set by the configure script to the list of directories which
+# should be built using the target tools.
+TARGET_CONFIGDIRS = @target_configdirs@
+# Target libraries are put under this directory:
+TARGET_SUBDIR = @target_subdir@
+# This is set by the configure script to the arguments to use when configuring
+# directories built for the target.
+TARGET_CONFIGARGS = @target_configargs@
+
+# ----------------------------------------------
+# Programs producing files for the BUILD machine
+# ----------------------------------------------
+
+SHELL = @config_shell@
+
+# pwd command to use.  Allow user to override default by setting PWDCMD in
+# the environment to account for automounters.  The make variable must not
+# be called PWDCMD, otherwise the value set here is passed to make
+# subprocesses and overrides the setting from the user's environment.
+PWD = $${PWDCMD-pwd}
+
+# compilers to use to create programs which must be run in the build
+# environment.
+CC_FOR_BUILD = @CC_FOR_BUILD@
+CFLAGS_FOR_BUILD = $(CFLAGS)
+
+CXX_FOR_BUILD = $(CXX)
+
+# Special variables passed down in EXTRA_GCC_FLAGS.  They are defined
+# here so that they can be overridden by Makefile fragments.
+BUILD_CC = $(CC_FOR_BUILD)
+BUILD_PREFIX = @BUILD_PREFIX@
+BUILD_PREFIX_1 = @BUILD_PREFIX_1@
 
 BISON=@BISON@
 USUAL_BISON = `if [ -f $$r/bison/bison ] ; then \
@@ -163,6 +173,7 @@ USUAL_BISON = `if [ -f $$r/bison/bison ] ; then \
 	    echo bison ; \
 	 fi`
 
+DEFAULT_YACC = @DEFAULT_YACC@
 YACC=@YACC@
 USUAL_YACC = `if [ -f $$r/bison/bison ] ; then \
 	    echo $$r/bison/bison -y -L $$s/bison/ ; \
@@ -172,28 +183,31 @@ USUAL_YACC = `if [ -f $$r/bison/bison ] ; then \
 	    echo ${DEFAULT_YACC} ; \
 	fi`
 
+DEFAULT_LEX = @DEFAULT_LEX@
 LEX=@LEX@
 USUAL_LEX = `if [ -f $$r/flex/flex ] ; \
 	then echo $$r/flex/flex ; \
 	else echo ${DEFAULT_LEX} ; fi`
 
+DEFAULT_M4 = @DEFAULT_M4@
 M4 = `if [ -f $$r/m4/m4 ] ; \
 	then echo $$r/m4/m4 ; \
 	else echo ${DEFAULT_M4} ; fi`
 
-# For an installed makeinfo, we require it to be from texinfo 4 or
+# For an installed makeinfo, we require it to be from texinfo 4.2 or
 # higher, else we use the "missing" dummy.
 MAKEINFO=@MAKEINFO@
 USUAL_MAKEINFO = `if [ -f $$r/texinfo/makeinfo/makeinfo ] ; \
 	then echo $$r/texinfo/makeinfo/makeinfo ; \
 	else if (makeinfo --version \
-	  | egrep 'texinfo[^0-9]*([1-3][0-9]|[4-9])') >/dev/null 2>&1; \
+	  | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[2-9]|[5-9])') >/dev/null 2>&1; \
         then echo makeinfo; else echo $$s/missing makeinfo; fi; fi`
 
 # This just becomes part of the MAKEINFO definition passed down to
 # sub-makes.  It lets flags be given on the command line while still
 # using the makeinfo from the object tree.
-MAKEINFOFLAGS =
+# (Default to avoid splitting info files by setting the threshold high.)
+MAKEINFOFLAGS = --split-size=5000000
 
 EXPECT = `if [ -f $$r/expect/expect ] ; \
 	then echo $$r/expect/expect ; \
@@ -203,75 +217,61 @@ RUNTEST = `if [ -f $$s/dejagnu/runtest ] ; \
 	then echo $$s/dejagnu/runtest ; \
 	else echo runtest ; fi`
 
+# ---------------------------------------------
+# Programs producing files for the HOST machine
+# ---------------------------------------------
 
-# compilers to use to create programs which must be run in the build
-# environment.
-CC_FOR_BUILD = @CC_FOR_BUILD@
-CXX_FOR_BUILD = $(CXX)
+# This is the list of directories that may be needed in RPATH_ENVVAR
+# so that programs built for the host machine work.
+HOST_LIB_PATH = $$r/bfd:$$r/opcodes
 
-SUBDIRS = @configdirs@
+AS = @AS@
 
-# This is set by the configure script to the list of directories which
-# should be built using the target tools.
-TARGET_CONFIGDIRS = @target_configdirs@
+AR = @AR@
+AR_FLAGS = rc
 
-# Target libraries are put under this directory:
-# Changed by configure to $(target_alias) if cross.
-TARGET_SUBDIR = @target_subdir@
+CC = @CC@
+CFLAGS = @CFLAGS@
+LIBCFLAGS = $(CFLAGS)
 
-BUILD_CONFIGDIRS = libiberty
-BUILD_SUBDIR = @build_subdir@
+CXX = @CXX@
+CXXFLAGS = @CXXFLAGS@
+LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
 
-# This is set by the configure script to the arguments to use when configuring
-# directories built for the build system.
-BUILD_CONFIGARGS = @build_configargs@
+DLLTOOL = @DLLTOOL@
 
-# This is set by the configure script to the arguments to use when configuring
-# directories built for the host system.
-HOST_CONFIGARGS = @host_configargs@
+NM = @NM@
 
-# This is set by the configure script to the arguments to use when configuring
-# directories built for the target.
-TARGET_CONFIGARGS = @target_configargs@
+LD = @LD@
+LDFLAGS = 
 
-# This is set by configure to REALLY_SET_LIB_PATH if --enable-shared
-# was used.
-SET_LIB_PATH = @SET_LIB_PATH@
+RANLIB = @RANLIB@
 
-# This is the name of the environment variable used for the path to
-# the libraries.  This may be changed by configure.in.
-RPATH_ENVVAR = @RPATH_ENVVAR@
+WINDRES = @WINDRES@
 
-# This is the list of directories that may be needed in RPATH_ENVVAR
-# so that programs built for the host machine work.
-HOST_LIB_PATH = $$r/bfd:$$r/opcodes
+PICFLAG = 
+
+# -----------------------------------------------
+# Programs producing files for the TARGET machine
+# -----------------------------------------------
 
 # This is the list of directories that may be needed in RPATH_ENVVAR
 # so that prorgams built for the target machine work.
 TARGET_LIB_PATH = $$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs:
 
-# configure.in sets SET_LIB_PATH to this if --enable-shared was used.
-# Some platforms don't like blank entries, so we remove duplicate,
-# leading and trailing colons.
-REALLY_SET_LIB_PATH = \
-  $(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH):$(TARGET_LIB_PATH):$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
-
-# Should be substed by configure.in
 FLAGS_FOR_TARGET = @FLAGS_FOR_TARGET@
-CC_FOR_TARGET = @CC_FOR_TARGET@
-BASE_CC_FOR_TARGET = @BASE_CC_FOR_TARGET@
-CXX_FOR_TARGET = @CXX_FOR_TARGET@
-RAW_CXX_FOR_TARGET = @RAW_CXX_FOR_TARGET@
-CXX_FOR_TARGET_FOR_RECURSIVE_MAKE = @CXX_FOR_TARGET_FOR_RECURSIVE_MAKE@
-RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE = @RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE@
-GCJ_FOR_TARGET = @GCJ_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@
-USUAL_GCC_FOR_TARGET = $(STAGE_CC_WRAPPER) $$r/gcc/xgcc -B$$r/gcc/ $(FLAGS_FOR_TARGET)
+AR_FOR_TARGET=@AR_FOR_TARGET@
+USUAL_AR_FOR_TARGET = ` \
+  if [ -f $$r/binutils/ar ] ; then \
+    echo $$r/binutils/ar ; \
+  else \
+    if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
+      echo $(AR); \
+    else \
+       echo ar | sed '$(program_transform_name)' ; \
+    fi; \
+  fi`
 
 AS_FOR_TARGET=@AS_FOR_TARGET@
 USUAL_AS_FOR_TARGET = ` \
@@ -283,23 +283,30 @@ USUAL_AS_FOR_TARGET = ` \
     if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
       echo $(AS); \
     else \
-       t='$(program_transform_name)'; echo as | sed -e 's/x/x/' $$t ; \
+       echo as | sed '$(program_transform_name)' ; \
     fi; \
   fi`
 
-LD_FOR_TARGET=@LD_FOR_TARGET@
-USUAL_LD_FOR_TARGET = ` \
-  if [ -f $$r/ld/ld-new ] ; then \
-    echo $$r/ld/ld-new ; \
-  elif [ -f $$r/gcc/xgcc ]; then \
-    $(CC_FOR_TARGET) -print-prog-name=ld ; \
-  else \
-    if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
-      echo $(LD); \
-    else \
-       t='$(program_transform_name)'; echo ld | sed -e 's/x/x/' $$t ; \
-    fi; \
-  fi`
+CC_FOR_TARGET = @CC_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)
+# 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@
+USUAL_GCC_FOR_TARGET = $(STAGE_CC_WRAPPER) $$r/gcc/xgcc -B$$r/gcc/ $(FLAGS_FOR_TARGET)
+LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
+
+CXX_FOR_TARGET = @CXX_FOR_TARGET@
+RAW_CXX_FOR_TARGET = @RAW_CXX_FOR_TARGET@
+CXX_FOR_TARGET_FOR_RECURSIVE_MAKE = @CXX_FOR_TARGET_FOR_RECURSIVE_MAKE@
+RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE = @RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE@
+CXXFLAGS_FOR_TARGET = $(CXXFLAGS)
+LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
 
 DLLTOOL_FOR_TARGET=@DLLTOOL_FOR_TARGET@
 USUAL_DLLTOOL_FOR_TARGET = ` \
@@ -309,31 +316,39 @@ USUAL_DLLTOOL_FOR_TARGET = ` \
     if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
       echo $(DLLTOOL); \
     else \
-       t='$(program_transform_name)'; echo dlltool | sed -e 's/x/x/' $$t ; \
+       echo dlltool | sed '$(program_transform_name)' ; \
     fi; \
   fi`
 
-WINDRES_FOR_TARGET=@WINDRES_FOR_TARGET@
-USUAL_WINDRES_FOR_TARGET = ` \
-  if [ -f $$r/binutils/windres ] ; then \
-    echo $$r/binutils/windres ; \
+GCJ_FOR_TARGET = @GCJ_FOR_TARGET@
+
+LD_FOR_TARGET=@LD_FOR_TARGET@
+USUAL_LD_FOR_TARGET = ` \
+  if [ -f $$r/ld/ld-new ] ; then \
+    echo $$r/ld/ld-new ; \
+  elif [ -f $$r/gcc/xgcc ]; then \
+    $(CC_FOR_TARGET) -print-prog-name=ld ; \
   else \
     if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
-      echo $(WINDRES); \
+      echo $(LD); \
     else \
-       t='$(program_transform_name)'; echo windres | sed -e 's/x/x/' $$t ; \
+       echo ld | sed '$(program_transform_name)' ; \
     fi; \
   fi`
 
-AR_FOR_TARGET=@AR_FOR_TARGET@
-USUAL_AR_FOR_TARGET = ` \
-  if [ -f $$r/binutils/ar ] ; then \
-    echo $$r/binutils/ar ; \
+LDFLAGS_FOR_TARGET = 
+
+NM_FOR_TARGET=@NM_FOR_TARGET@
+USUAL_NM_FOR_TARGET = ` \
+  if [ -f $$r/binutils/nm-new ] ; then \
+    echo $$r/binutils/nm-new ; \
+  elif [ -f $$r/gcc/xgcc ]; then \
+    $(CC_FOR_TARGET) -print-prog-name=nm ; \
   else \
     if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
-      echo $(AR); \
+      echo $(NM); \
     else \
-       t='$(program_transform_name)'; echo ar | sed -e 's/x/x/' $$t ; \
+       echo nm | sed '$(program_transform_name)' ; \
     fi; \
   fi`
 
@@ -349,30 +364,38 @@ USUAL_RANLIB_FOR_TARGET = ` \
          echo ranlib; \
       fi; \
     else \
-       t='$(program_transform_name)'; echo ranlib | sed -e 's/x/x/' $$t ; \
+       echo ranlib | sed '$(program_transform_name)' ; \
     fi; \
   fi`
 
-NM_FOR_TARGET=@NM_FOR_TARGET@
-USUAL_NM_FOR_TARGET = ` \
-  if [ -f $$r/binutils/nm-new ] ; then \
-    echo $$r/binutils/nm-new ; \
-  elif [ -f $$r/gcc/xgcc ]; then \
-    $(CC_FOR_TARGET) -print-prog-name=nm ; \
+WINDRES_FOR_TARGET=@WINDRES_FOR_TARGET@
+USUAL_WINDRES_FOR_TARGET = ` \
+  if [ -f $$r/binutils/windres ] ; then \
+    echo $$r/binutils/windres ; \
   else \
     if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
-      echo $(NM); \
+      echo $(WINDRES); \
     else \
-       t='$(program_transform_name)'; echo nm | sed -e 's/x/x/' $$t ; \
+       echo windres | sed '$(program_transform_name)' ; \
     fi; \
   fi`
 
+PICFLAG_FOR_TARGET = 
+
+# ------------------------------------
+# Miscellaneous targets and flag lists
+# ------------------------------------
+
 # The first rule in the file had better be this one.  Don't put any above it.
 # This lives here to allow makefile fragments to contain dependencies.
 all: all.normal
 .PHONY: all
 
 #### host and target specific makefile fragments come in here.
+@target_makefile_frag@
+@alphaieee_frag@
+@ospace_frag@
+@host_makefile_frag@
 ###
 
 # Flags to pass down to all sub-makes.
@@ -391,6 +414,7 @@ BASE_FLAGS_TO_PASS = \
 	"CXXFLAGS=$(CXXFLAGS)" \
 	"CXXFLAGS_FOR_TARGET=$(CXXFLAGS_FOR_TARGET)" \
 	"CXX_FOR_TARGET=$(CXX_FOR_TARGET)" \
+	"DESTDIR=$(DESTDIR)" \
 	"DLLTOOL_FOR_TARGET=$(DLLTOOL_FOR_TARGET)" \
 	"INSTALL=$(INSTALL)" \
 	"INSTALL_DATA=$(INSTALL_DATA)" \
@@ -451,7 +475,6 @@ RECURSE_FLAGS = \
 
 # Flags to pass down to most sub-makes, in which we're building with
 # the host environment.
-# If any variables are added here, they must be added to do-*, below.
 EXTRA_HOST_FLAGS = \
 	'AR=$(AR)' \
 	'AS=$(AS)' \
@@ -460,7 +483,7 @@ EXTRA_HOST_FLAGS = \
 	'DLLTOOL=$(DLLTOOL)' \
 	'LD=$(LD)' \
 	'NM=$(NM)' \
-	"`echo 'RANLIB=$(RANLIB)' | sed -e s/.*=$$/XFOO=/`" \
+	'RANLIB=$(RANLIB)' \
 	'WINDRES=$(WINDRES)'
 
 FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS)
@@ -480,7 +503,6 @@ X11_FLAGS_TO_PASS = \
 # 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.
-# If any variables are added here, they must be added to do-*, below.
 EXTRA_TARGET_FLAGS = \
 	'AR=$$(AR_FOR_TARGET)' \
 	'AS=$$(AS_FOR_TARGET)' \
@@ -502,7 +524,7 @@ TARGET_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)
 # unfortunately needs the native compiler and the target ar and
 # ranlib.
 # If any variables are added here, they must be added to do-*, below.
-# The HOST_* variables are a special case, which are used for the gcc
+# The BUILD_* variables are a special case, which are used for the gcc
 # cross-building scheme.
 EXTRA_GCC_FLAGS = \
 	'AR=$(AR)' \
@@ -514,7 +536,7 @@ EXTRA_GCC_FLAGS = \
 	'BUILD_PREFIX=$(BUILD_PREFIX)' \
 	'BUILD_PREFIX_1=$(BUILD_PREFIX_1)' \
 	'NM=$(NM)' \
-	"`echo 'RANLIB=$(RANLIB)' | sed -e s/.*=$$/XFOO=/`" \
+	'RANLIB=$(RANLIB)' \
 	'WINDRES=$$(WINDRES_FOR_TARGET)' \
 	"GCC_FOR_TARGET=$(GCC_FOR_TARGET)" \
 	"CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \
@@ -530,100 +552,135 @@ EXTRA_GCC_FLAGS = \
 
 GCC_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_GCC_FLAGS)
 
-# This is a list of the configure targets for all of the modules which
-# are compiled using the target tools.
-CONFIGURE_TARGET_MODULES =[+
-    FOR target_modules +] \
-	configure-target-[+module+][+
-    ENDFOR target_modules +]
-
-configure-target: $(CONFIGURE_TARGET_MODULES)
-
-# This is a list of the targets for which we can do a clean-{target}.
-CLEAN_MODULES =[+
-    FOR host_modules +][+
-        IF (not (or (exist? "no_clean") (exist? "with_x"))) +] \
-	clean-[+module+][+
-        ENDIF no_clean +][+
-    ENDFOR host_modules +]
-
-# All of the target modules that can be cleaned
-CLEAN_TARGET_MODULES =[+
-    FOR target_modules +][+
-        IF (not (exist? "no_clean")) +] \
-	clean-target-[+module+][+
-        ENDIF no_clean +][+
-    ENDFOR target_modules +]
-
-# All of the x11 modules that can be cleaned
-CLEAN_X11_MODULES = [+ FOR host_modules +][+ IF with_x +]\
-	clean-[+module+] [+ ENDIF with_x +][+ ENDFOR host_modules +]
+.PHONY: configure-host
+configure-host: maybe-configure-gcc [+
+  FOR host_modules +] \
+    maybe-configure-[+module+][+
+  ENDFOR host_modules +]
+.PHONY: configure-target
+configure-target: [+
+  FOR target_modules +] \
+    maybe-configure-target-[+module+][+
+  ENDFOR target_modules +]
 
 # The target built for a native build.
-# This list only includes modules actually being configured and built.
 .PHONY: all.normal
-all.normal: @all_build_modules@ \
-	@all_host_modules@ \
-	@all_target_modules@
-
-all-target: @all_target_modules@
+all.normal: @all_build_modules@ all-host all-target
+
+.PHONY: all-host
+all-host: maybe-all-gcc [+
+  FOR host_modules +] \
+    maybe-all-[+module+][+
+  ENDFOR host_modules +]
+.PHONY: all-target
+all-target: [+
+  FOR target_modules +] \
+    maybe-all-target-[+module+][+
+  ENDFOR target_modules +]
 
 # Do a target for all the subdirectories.  A ``make do-X'' will do a
 # ``make X'' in all subdirectories (because, in general, there is a
 # dependency (below) of X upon do-X, a ``make X'' will also do this,
 # but it may do additional work as well).
-# This target ensures that $(BASE_FLAGS_TO_PASS) appears only once,
-# because it is so large that it can easily overflow the command line
-# length limit on some systems.
 [+ FOR recursive_targets +]
-.PHONY: do-[+target+]
-do-[+target+]:
-	@r=`${PWD}`; export r; \
+.PHONY: do-[+make_target+]
+do-[+make_target+]: [+make_target+]-host [+make_target+]-target
+
+.PHONY: [+make_target+]-host
+[+make_target+]-host: maybe-[+make_target+]-gcc [+
+  FOR host_modules +] \
+    maybe-[+make_target+]-[+module+][+
+  ENDFOR host_modules +]
+
+.PHONY: [+make_target+]-target
+[+make_target+]-target: [+
+  FOR target_modules +] \
+    maybe-[+make_target+]-target-[+module+][+
+  ENDFOR target_modules +]
+
+# GCC, the eternal special case
+.PHONY: maybe-[+make_target+]-gcc [+make_target+]-gcc
+maybe-[+make_target+]-gcc:
+[+make_target+]-gcc: [+
+  FOR depend +]\
+    [+depend+]-gcc [+
+  ENDFOR depend +]
+	@[ -f ./gcc/Makefile ] || exit 0; \
+	r=`${PWD}`; export r; \
 	s=`cd $(srcdir); ${PWD}`; export s; \
 	$(SET_LIB_PATH) \
-	for i in $(SUBDIRS) -dummy-; do \
-	  if [ -f ./$$i/Makefile ]; then \
-	    case $$i in \
-	    gcc) \
-	      for flag in $(EXTRA_GCC_FLAGS); do \
-		eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
-	      done; \
-	      ;; \
-	    *) \
-	      for flag in $(EXTRA_HOST_FLAGS); do \
-		eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
-	      done; \
-	      ;; \
-	    esac ; \
-	    if (cd ./$$i; \
-	        $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
-			"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
-	                "`echo \"RANLIB=$${RANLIB}\" | sed -e 's/.*=$$/XFOO=/'`" \
-			"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
-			[+target+]); \
-	    then true; else exit 1; fi; \
-	  else true; fi; \
-	done
-	# Break into two pieces
+	for flag in $(EXTRA_GCC_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	echo "Doing [+make_target+] in gcc" ; \
+	(cd gcc && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
+	          [+make_target+]) \
+	  || exit 1
+
+# Host modules.
+[+ FOR host_modules +]
+.PHONY: maybe-[+make_target+]-[+module+] [+make_target+]-[+module+]
+maybe-[+make_target+]-[+module+]:
+[+ IF (match-value? = "missing" (get "make_target") ) +]
+# [+module+] doesn't support [+make_target+].
+[+make_target+]-[+module+]:
+[+ ELSE +]
+[+make_target+]-[+module+]: [+
+  FOR depend +]\
+    [+depend+]-[+module+] [+
+  ENDFOR depend +]
+	@[ -f ./[+module+]/Makefile ] || exit 0; \
 	r=`${PWD}`; export r; \
 	s=`cd $(srcdir); ${PWD}`; export s; \
 	$(SET_LIB_PATH) \
-	for i in $(TARGET_CONFIGDIRS) -dummy-; do \
-	  if [ -f $(TARGET_SUBDIR)/$$i/Makefile ]; then \
-	    for flag in $(EXTRA_TARGET_FLAGS); do \
-		eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
-	    done; \
-	    if (cd $(TARGET_SUBDIR)/$$i; \
-	        $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
-			"CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
-	                "`echo \"RANLIB=$${RANLIB}\" | sed -e 's/.*=$$/XFOO=/'`" \
-			"DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
-			[+target+]); \
-	    then true; else exit 1; fi; \
-	  else true; fi; \
-	done
-[+ ENDFOR recursive_targets +]
+	for flag in $(EXTRA_HOST_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	echo "Doing [+make_target+] in [+module+]" ; \
+	(cd [+module+] && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
+	          [+make_target+]) \
+	  || exit 1
+[+ ENDIF +]
+[+ ENDFOR host_modules +]
 
+# Target modules.
+[+ FOR target_modules +]
+.PHONY: maybe-[+make_target+]-target-[+module+] [+make_target+]-target-[+module+]
+maybe-[+make_target+]-target-[+module+]:
+[+ IF (match-value? = "missing" (get "make_target") ) +]
+# [+module+] doesn't support [+make_target+].
+[+make_target+]-target-[+module+]:
+[+ ELSE +]
+[+make_target+]-target-[+module+]: [+
+  FOR depend +]\
+    [+depend+]-target-[+module+] [+
+  ENDFOR depend +]
+	@[ -f $(TARGET_SUBDIR)/[+module+]/Makefile ] || exit 0 ; \
+	r=`${PWD}`; export r; \
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	$(SET_LIB_PATH) \
+	echo "Doing [+make_target+] in $(TARGET_SUBDIR)/[+module+]" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/[+module+] && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
+	          [+make_target+]) \
+	  || exit 1
+[+ ENDIF +]
+[+ ENDFOR target_modules +]
+[+ ENDFOR recursive_targets +]
 
 # Here are the targets which correspond to the do-X targets.
 
@@ -634,13 +691,14 @@ info: do-info
 installcheck: do-installcheck
 dvi: do-dvi
 
-# Make sure makeinfo is built before we do a `make info'.
-do-info: all-texinfo
+# Make sure makeinfo is built before we do a `make info', if we're
+# in fact building texinfo.
+do-info: maybe-all-texinfo
 
 install-info: do-install-info dir.info
 	s=`cd $(srcdir); ${PWD}`; export s; \
 	if [ -f dir.info ] ; then \
-	  $(INSTALL_DATA) dir.info $(infodir)/dir.info ; \
+	  $(INSTALL_DATA) dir.info $(DESTDIR)$(infodir)/dir.info ; \
 	else true ; fi
 
 local-clean:
@@ -648,9 +706,11 @@ 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
 	-if [ "$(TARGET_SUBDIR)" != "." ]; then \
 	  rm -rf $(TARGET_SUBDIR); \
 	else true; fi
+	-rm -rf $(BUILD_SUBDIR)
 	-rm -f texinfo/po/Makefile texinfo/po/Makefile.in texinfo/info/Makefile
 	-rm -f texinfo/doc/Makefile texinfo/po/POTFILES
 	-rmdir texinfo/doc texinfo/info texinfo/intl texinfo/lib 2>/dev/null
@@ -668,33 +728,8 @@ maintainer-clean: local-maintainer-clean do-maintainer-clean local-clean
 maintainer-clean: local-distclean
 realclean: maintainer-clean
 
-# This rule is used to clean specific modules.
-.PHONY: $(CLEAN_MODULES) $(CLEAN_X11_MODULES) clean-gcc
-$(CLEAN_MODULES) $(CLEAN_X11_MODULES) clean-gcc:
-	@dir=`echo $@ | sed -e 's/clean-//'`; \
-	if [ -f ./$${dir}/Makefile ] ; then \
-	  r=`${PWD}`; export r; \
-	  s=`cd $(srcdir); ${PWD}`; export s; \
-	  $(SET_LIB_PATH) \
-	  (cd $${dir}; $(MAKE) $(FLAGS_TO_PASS) clean); \
-	else \
-	  true; \
-	fi
-
-.PHONY: $(CLEAN_TARGET_MODULES)
-$(CLEAN_TARGET_MODULES):
-	@dir=`echo $@ | sed -e 's/clean-target-//'`; \
-	rm -f $(TARGET_SUBDIR)/$${dir}/multilib.out $(TARGET_SUBDIR)/$${dir}/tmpmulti.out; \
-	if [ -f $(TARGET_SUBDIR)/$${dir}/Makefile ] ; then \
-	  r=`${PWD}`; export r; \
-	  s=`cd $(srcdir); ${PWD}`; export s; \
-	  $(SET_LIB_PATH) \
-	  (cd $(TARGET_SUBDIR)/$${dir}; $(MAKE) $(TARGET_FLAGS_TO_PASS) clean); \
-	else \
-	  true; \
-	fi
-
-clean-target: $(CLEAN_TARGET_MODULES) clean-target-libgcc
+# 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) | \
@@ -708,8 +743,13 @@ check:
 	$(MAKE) do-check NOTPARALLEL=parallel-ok
 
 # Only include modules actually being configured and built.
-do-check: @check_host_modules@ \
-	@check_target_modules@
+do-check: maybe-check-gcc [+
+  FOR host_modules +] \
+    maybe-check-[+module+][+
+  ENDFOR host_modules +][+
+  FOR target_modules +] \
+    maybe-check-target-[+module+][+
+  ENDFOR target_modules +]
 
 # Automated reporting of test results.
 
@@ -735,9 +775,25 @@ mail-report-with-warnings.log: warning.log
 # Installation targets.
 
 .PHONY: install uninstall
-install: installdirs @install_host_modules@ @install_target_modules@
-
-install-target: @install_target_modules@
+install: installdirs install-host install-target
+
+.PHONY: install-host-nogcc
+install-host-nogcc: [+
+  FOR host_modules +] \
+    maybe-install-[+module+][+
+  ENDFOR host_modules +]
+
+.PHONY: install-host
+install-host: maybe-install-gcc [+
+  FOR host_modules +] \
+    maybe-install-[+module+][+
+  ENDFOR host_modules +]
+
+.PHONY: install-target
+install-target: [+
+  FOR target_modules +] \
+    maybe-install-target-[+module+][+
+  ENDFOR target_modules +]
 
 uninstall:
 	@echo "the uninstall target is not supported in this tree"
@@ -747,7 +803,7 @@ install.all: install-no-fixedincludes
 	@if [ -f ./gcc/Makefile ] ; then \
 		r=`${PWD}` ; export r ; \
 		$(SET_LIB_PATH) \
-		(cd ./gcc; \
+		(cd ./gcc && \
 		$(MAKE) $(FLAGS_TO_PASS) install-headers) ; \
 	else \
 		true ; \
@@ -756,8 +812,8 @@ install.all: install-no-fixedincludes
 # install-no-fixedincludes is used because Cygnus can not distribute
 # the fixed header files.
 .PHONY: install-no-fixedincludes
-install-no-fixedincludes: installdirs @install_host_modules_nogcc@ \
-	@install_target_modules@ gcc-no-fixedincludes
+install-no-fixedincludes: installdirs install-host-nogcc \
+	install-target gcc-no-fixedincludes
 
 ### other supporting targets
 
@@ -770,7 +826,7 @@ installdirs: mkinstalldirs
 
 dir.info: do-install-info
 	if [ -f $(srcdir)/texinfo/gen-info-dir ] ; then \
-	  $(srcdir)/texinfo/gen-info-dir $(infodir) $(srcdir)/texinfo/dir.info-template > dir.info.new ; \
+	  $(srcdir)/texinfo/gen-info-dir $(DESTDIR)$(infodir) $(srcdir)/texinfo/dir.info-template > dir.info.new ; \
 	  mv -f dir.info.new dir.info ; \
 	else true ; \
 	fi
@@ -789,138 +845,173 @@ etags tags: TAGS
 # built are.
 TAGS: do-TAGS
 
-
 # --------------------------------------
 # Modules which run on the build machine
 # --------------------------------------
 [+ FOR build_modules +]
 .PHONY: configure-build-[+module+] maybe-configure-build-[+module+]
 maybe-configure-build-[+module+]:
-configure-build-[+module+]: $(BUILD_SUBDIR)/[+module+]/Makefile
-$(BUILD_SUBDIR)/[+module+]/Makefile: config.status
-	@[ -d $(BUILD_SUBDIR)/[+module+] ] || mkdir $(BUILD_SUBDIR)/[+module+];\
-	    r=`${PWD}`; export r; \
-	    s=`cd $(srcdir); ${PWD}`; export s; \
-	    AR="$(AR_FOR_BUILD)"; export AR; \
-	    AS="$(AS_FOR_BUILD)"; export AS; \
-	    CC="$(CC_FOR_BUILD)"; export CC; \
-	    CFLAGS="$(CFLAGS_FOR_BUILD)"; export CFLAGS; \
-	    CXX="$(CXX_FOR_BUILD)"; export CXX; \
-	    CXXFLAGS="$(CXXFLAGS_FOR_BUILD)"; export CXXFLAGS; \
-	    GCJ="$(GCJ_FOR_BUILD)"; export GCJ; \
-	    DLLTOOL="$(DLLTOOL_FOR_BUILD)"; export DLLTOOL; \
-	    LD="$(LD_FOR_BUILD)"; export LD; \
-            LDFLAGS="$(LDFLAGS_FOR_BUILD)"; export LDFLAGS; \
-	    NM="$(NM_FOR_BUILD)"; export NM; \
-	    RANLIB="$(RANLIB_FOR_BUILD)"; export RANLIB; \
-	    WINDRES="$(WINDRES_FOR_BUILD)"; export WINDRES; \
-	    echo Configuring in $(BUILD_SUBDIR)/[+module+]; \
-	    cd "$(BUILD_SUBDIR)/[+module+]" || exit 1; \
-	    case $(srcdir) in \
-	    /* | [A-Za-z]:[\\/]*) \
-	      topdir=$(srcdir) ;; \
-	    *) \
-	      case "$(BUILD_SUBDIR)" in \
+configure-build-[+module+]:
+	@test ! -f $(BUILD_SUBDIR)/[+module+]/Makefile || exit 0; \
+	[ -d $(BUILD_SUBDIR)/[+module+] ] || \
+	  mkdir $(BUILD_SUBDIR)/[+module+];\
+	r=`${PWD}`; export r; \
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	AR="$(AR_FOR_BUILD)"; export AR; \
+	AS="$(AS_FOR_BUILD)"; export AS; \
+	CC="$(CC_FOR_BUILD)"; export CC; \
+	CFLAGS="$(CFLAGS_FOR_BUILD)"; export CFLAGS; \
+	CXX="$(CXX_FOR_BUILD)"; export CXX; \
+	CXXFLAGS="$(CXXFLAGS_FOR_BUILD)"; export CXXFLAGS; \
+	GCJ="$(GCJ_FOR_BUILD)"; export GCJ; \
+	DLLTOOL="$(DLLTOOL_FOR_BUILD)"; export DLLTOOL; \
+	LD="$(LD_FOR_BUILD)"; export LD; \
+	LDFLAGS="$(LDFLAGS_FOR_BUILD)"; export LDFLAGS; \
+	NM="$(NM_FOR_BUILD)"; export NM; \
+	RANLIB="$(RANLIB_FOR_BUILD)"; export RANLIB; \
+	WINDRES="$(WINDRES_FOR_BUILD)"; export WINDRES; \
+	echo Configuring in $(BUILD_SUBDIR)/[+module+]; \
+	cd "$(BUILD_SUBDIR)/[+module+]" || exit 1; \
+	case $(srcdir) in \
+	  /* | [A-Za-z]:[\\/]*) \
+	    topdir=$(srcdir) ;; \
+	  *) \
+	    case "$(BUILD_SUBDIR)" in \
 	      .) topdir="../$(srcdir)" ;; \
 	      *) topdir="../../$(srcdir)" ;; \
-	      esac ;; \
-	    esac; \
-	    if [ "$(srcdir)" = "." ] ; then \
-	      if [ "$(BUILD_SUBDIR)" != "." ] ; then \
-		if $(SHELL) $$s/symlink-tree $${topdir}/[+module+] "no-such-file" ; then \
-		  if [ -f Makefile ]; then \
-		    if $(MAKE) distclean; then \
-		      true; \
-		    else \
-		      exit 1; \
-		    fi; \
-		  else \
-		    true; \
-		  fi; \
-		else \
-		  exit 1; \
-		fi; \
+	    esac ;; \
+	esac; \
+	if [ "$(srcdir)" = "." ] ; then \
+	  if [ "$(BUILD_SUBDIR)" != "." ] ; then \
+	    if $(SHELL) $$s/symlink-tree $${topdir}/[+module+] "no-such-file" ; then \
+	      if [ -f Makefile ]; then \
+	        if $(MAKE) distclean; then \
+	          true; \
+	        else \
+	          exit 1; \
+	        fi; \
 	      else \
-		true; \
+	        true; \
 	      fi; \
-	      srcdiroption="--srcdir=."; \
-	      libsrcdir="."; \
 	    else \
-	      srcdiroption="--srcdir=$${topdir}/[+module+]"; \
-	      libsrcdir="$$s/[+module+]"; \
+	      exit 1; \
 	    fi; \
-	    rm -f no-such-file || : ; \
-	    CONFIG_SITE=no-such-file $(SHELL) $${libsrcdir}/configure \
-	      $(BUILD_CONFIGARGS) $${srcdiroption} \
-	      --with-build-subdir="$(BUILD_SUBDIR)" \
-	      || exit 1
+	  else \
+	    true; \
+	  fi; \
+	  srcdiroption="--srcdir=."; \
+	  libsrcdir="."; \
+	else \
+	  srcdiroption="--srcdir=$${topdir}/[+module+]"; \
+	  libsrcdir="$$s/[+module+]"; \
+	fi; \
+	rm -f no-such-file || : ; \
+	CONFIG_SITE=no-such-file $(SHELL) $${libsrcdir}/configure \
+	  $(BUILD_CONFIGARGS) $${srcdiroption} \
+	  --with-build-subdir="$(BUILD_SUBDIR)" \
+	  || exit 1
 
 .PHONY: all-build-[+module+] maybe-all-build-[+module+]
 maybe-all-build-[+module+]:
 all-build-[+module+]: configure-build-[+module+]
 	@r=`${PWD}`; export r; \
-	  s=`cd $(srcdir); ${PWD}`; export s; \
-	  (cd $(BUILD_SUBDIR)/[+module+] && $(MAKE) all)
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	(cd $(BUILD_SUBDIR)/[+module+] && $(MAKE) all)
 [+ ENDFOR build_modules +]
 
 # --------------------------------------
 # Modules which run on the host machine
 # --------------------------------------
 [+ FOR host_modules +]
+.PHONY: configure-[+module+] maybe-configure-[+module+]
+maybe-configure-[+module+]:
+configure-[+module+]:
+	@test ! -f [+module+]/Makefile || exit 0; \
+	[ -d [+module+] ] || mkdir [+module+]; \
+	r=`${PWD}`; export r; \
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	CC="$(CC)"; export CC; \
+	CFLAGS="$(CFLAGS)"; export CFLAGS; \
+	CXX="$(CXX)"; export CXX; \
+	CXXFLAGS="$(CXXFLAGS)"; export CXXFLAGS; \
+	AR="$(AR)"; export AR; \
+	AS="$(AS)"; export AS; \
+	CC_FOR_BUILD="$(CC_FOR_BUILD)"; export CC_FOR_BUILD; \
+	DLLTOOL="$(DLLTOOL)"; export DLLTOOL; \
+	LD="$(LD)"; export LD; \
+	NM="$(NM)"; export NM; \
+	RANLIB="$(RANLIB)"; export RANLIB; \
+	WINDRES="$(WINDRES)"; export WINDRES; \
+	OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
+	OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \
+	echo Configuring in [+module+]; \
+	cd [+module+] || exit 1; \
+	case $(srcdir) in \
+	  \.) \
+	    srcdiroption="--srcdir=."; \
+	    libsrcdir=".";; \
+	  /* | [A-Za-z]:[\\/]*) \
+	    srcdiroption="--srcdir=$(srcdir)/[+module+]"; \
+	    libsrcdir="$$s/[+module+]";; \
+	  *) \
+	    srcdiroption="--srcdir=../$(srcdir)/[+module+]"; \
+	    libsrcdir="$$s/[+module+]";; \
+	esac; \
+	$(SHELL) $${libsrcdir}/configure \
+	  $(HOST_CONFIGARGS) $${srcdiroption} \
+	  || exit 1
+
 .PHONY: all-[+module+] maybe-all-[+module+]
 maybe-all-[+module+]:
-all-[+module+]:
+all-[+module+]: configure-[+module+]
 	@r=`${PWD}`; export r; \
-	  s=`cd $(srcdir); ${PWD}`; export s; \
-	  $(SET_LIB_PATH) \
-	  (cd [+module+]; $(MAKE) $(FLAGS_TO_PASS)[+ 
-	    IF with_x 
-	      +] $(X11_FLAGS_TO_PASS)[+ 
-	    ENDIF with_x +] all)
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	$(SET_LIB_PATH) \
+	(cd [+module+] && $(MAKE) $(FLAGS_TO_PASS)[+ 
+	  IF with_x 
+	    +] $(X11_FLAGS_TO_PASS)[+ 
+	  ENDIF with_x +] all)
 
+.PHONY: check-[+module+] maybe-check-[+module+]
+maybe-check-[+module+]:
 [+ IF no_check +]
-.PHONY: check-[+module+]
 check-[+module+]:
 [+ ELIF no_check_cross +]
-.PHONY: check-[+module+]
 # This module is only tested in a native toolchain.
 check-[+module+]:
 	@if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
-	    r=`${PWD}`; export r; \
-	    s=`cd $(srcdir); ${PWD}`; export s; \
-	    $(SET_LIB_PATH) \
-	    (cd [+module+]; $(MAKE) $(FLAGS_TO_PASS)[+ 
-	      IF with_x 
-	        +] $(X11_FLAGS_TO_PASS)[+ 
-	      ENDIF with_x +] check); \
-	fi
-[+ ELSE check +]
-.PHONY: check-[+module+]
-check-[+module+]:
-	@r=`${PWD}`; export r; \
+	  r=`${PWD}`; export r; \
 	  s=`cd $(srcdir); ${PWD}`; export s; \
 	  $(SET_LIB_PATH) \
-	  (cd [+module+]; $(MAKE) $(FLAGS_TO_PASS)[+ 
+	  (cd [+module+] && $(MAKE) $(FLAGS_TO_PASS)[+ 
 	    IF with_x 
 	      +] $(X11_FLAGS_TO_PASS)[+ 
-	    ENDIF with_x +] check)
+	    ENDIF with_x +] check); \
+	fi
+[+ ELSE check +]
+check-[+module+]:
+	@r=`${PWD}`; export r; \
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	$(SET_LIB_PATH) \
+	(cd [+module+] && $(MAKE) $(FLAGS_TO_PASS)[+ 
+	  IF with_x 
+	    +] $(X11_FLAGS_TO_PASS)[+ 
+	  ENDIF with_x +] check)
 [+ ENDIF no_check +]
 
-[+ IF no_install +]
 .PHONY: install-[+module+] maybe-install-[+module+]
 maybe-install-[+module+]:
+[+ IF no_install +]
 install-[+module+]:
 [+ ELSE install +]
-.PHONY: install-[+module+] maybe-install-[+module+]
-maybe-install-[+module+]:
 install-[+module+]: installdirs
 	@r=`${PWD}`; export r; \
-	  s=`cd $(srcdir); ${PWD}`; export s; \
-	  $(SET_LIB_PATH) \
-	  (cd [+module+]; $(MAKE) $(FLAGS_TO_PASS)[+ 
-	    IF with_x 
-	      +] $(X11_FLAGS_TO_PASS)[+ 
-	    ENDIF with_x +] install)
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	$(SET_LIB_PATH) \
+	(cd [+module+] && $(MAKE) $(FLAGS_TO_PASS)[+ 
+	  IF with_x 
+	    +] $(X11_FLAGS_TO_PASS)[+ 
+	  ENDIF with_x +] install)
 [+ ENDIF no_install +]
 [+ ENDFOR host_modules +]
 
@@ -930,121 +1021,124 @@ install-[+module+]: installdirs
 [+ FOR target_modules +]
 .PHONY: configure-target-[+module+] maybe-configure-target-[+module+]
 maybe-configure-target-[+module+]:
-configure-target-[+module+]: $(TARGET_SUBDIR)/[+module+]/Makefile
 
-$(TARGET_SUBDIR)/[+module+]/multilib.out: $(BASE_CC_FOR_TARGET)
-	@[ -d $(TARGET_SUBDIR)/[+module+] ] || mkdir $(TARGET_SUBDIR)/[+module+];\
+# There's only one multilib.out.  Cleverer subdirs shouldn't need it copied.
+$(TARGET_SUBDIR)/[+module+]/multilib.out: multilib.out
+	@[ -d $(TARGET_SUBDIR)/[+module+] ] || \
+	  mkdir $(TARGET_SUBDIR)/[+module+]; \
+	rm -f $(TARGET_SUBDIR)/[+module+]/Makefile || : ; \
+	cp multilib.out $(TARGET_SUBDIR)/[+module+]/multilib.out
+
+configure-target-[+module+]: $(TARGET_SUBDIR)/[+module+]/multilib.out
+	@test ! -f $(TARGET_SUBDIR)/[+module+]/Makefile || exit 0; \
+	[ -d $(TARGET_SUBDIR)/[+module+] ] || \
+	  mkdir $(TARGET_SUBDIR)/[+module+];\
 	r=`${PWD}`; export r; \
-	echo "Configuring multilibs for [+module+]"; \
-	$(CC_FOR_TARGET) --print-multi-lib > $(TARGET_SUBDIR)/[+module+]/multilib.out 2> /dev/null
-
-$(TARGET_SUBDIR)/[+module+]/Makefile: config.status $(TARGET_SUBDIR)/[+module+]/multilib.out
-	@[ -d $(TARGET_SUBDIR)/[+module+] ] || mkdir $(TARGET_SUBDIR)/[+module+];\
-	    r=`${PWD}`; export r; \
-	    s=`cd $(srcdir); ${PWD}`; export s; \
-	    $(SET_LIB_PATH) \
-	    AR="$(AR_FOR_TARGET)"; export AR; \
-	    AS="$(AS_FOR_TARGET)"; export AS; \
-	    CC="$(CC_FOR_TARGET)"; export CC; \
-	    CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \[+ 
-	IF raw_cxx +]
-	    CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
-	    CXX="$(RAW_CXX_FOR_TARGET)"; export CXX; \[+ 
-	ELSE normal_cxx +]
-	    CXX="$(CXX_FOR_TARGET)"; export CXX; \[+ 
-	ENDIF raw_cxx +]
-	    CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \
-	    GCJ="$(GCJ_FOR_TARGET)"; export GCJ; \
-	    DLLTOOL="$(DLLTOOL_FOR_TARGET)"; export DLLTOOL; \
-	    LD="$(LD_FOR_TARGET)"; export LD; \
-            LDFLAGS="$(LDFLAGS_FOR_TARGET)"; export LDFLAGS; \
-	    NM="$(NM_FOR_TARGET)"; export NM; \
-	    RANLIB="$(RANLIB_FOR_TARGET)"; export RANLIB; \
-	    WINDRES="$(WINDRES_FOR_TARGET)"; export WINDRES; \
-	    echo Configuring in $(TARGET_SUBDIR)/[+module+]; \
-	    cd "$(TARGET_SUBDIR)/[+module+]" || exit 1; \
-	    case $(srcdir) in \
-	    /* | [A-Za-z]:[\\/]*) \
-	      topdir=$(srcdir) ;; \
-	    *) \
-	      case "$(TARGET_SUBDIR)" in \
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	$(SET_LIB_PATH) \
+	AR="$(AR_FOR_TARGET)"; export AR; \
+	AS="$(AS_FOR_TARGET)"; export AS; \
+	CC="$(CC_FOR_TARGET)"; export CC; \
+	CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
+	CPPFLAGS="$(CFLAGS_FOR_TARGET)"; export CPPFLAGS; \[+ 
+IF raw_cxx +]
+	CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
+	CXX="$(RAW_CXX_FOR_TARGET)"; export CXX; \[+ 
+ELSE normal_cxx +]
+	CXX="$(CXX_FOR_TARGET)"; export CXX; \[+ 
+ENDIF raw_cxx +]
+	CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \
+	GCJ="$(GCJ_FOR_TARGET)"; export GCJ; \
+	DLLTOOL="$(DLLTOOL_FOR_TARGET)"; export DLLTOOL; \
+	LD="$(LD_FOR_TARGET)"; export LD; \
+	LDFLAGS="$(LDFLAGS_FOR_TARGET)"; export LDFLAGS; \
+	NM="$(NM_FOR_TARGET)"; export NM; \
+	RANLIB="$(RANLIB_FOR_TARGET)"; export RANLIB; \
+	WINDRES="$(WINDRES_FOR_TARGET)"; export WINDRES; \
+	echo Configuring in $(TARGET_SUBDIR)/[+module+]; \
+	cd "$(TARGET_SUBDIR)/[+module+]" || exit 1; \
+	case $(srcdir) in \
+	  /* | [A-Za-z]:[\\/]*) \
+	    topdir=$(srcdir) ;; \
+	  *) \
+	    case "$(TARGET_SUBDIR)" in \
 	      .) topdir="../$(srcdir)" ;; \
 	      *) topdir="../../$(srcdir)" ;; \
-	      esac ;; \
-	    esac; \
-	    if [ "$(srcdir)" = "." ] ; then \
-	      if [ "$(TARGET_SUBDIR)" != "." ] ; then \
-		if $(SHELL) $$s/symlink-tree $${topdir}/[+module+] "no-such-file" ; then \
-		  if [ -f Makefile ]; then \
-		    if $(MAKE) distclean; then \
-		      true; \
-		    else \
-		      exit 1; \
-		    fi; \
-		  else \
-		    true; \
-		  fi; \
-		else \
-		  exit 1; \
-		fi; \
+	    esac ;; \
+	esac; \
+	if [ "$(srcdir)" = "." ] ; then \
+	  if [ "$(TARGET_SUBDIR)" != "." ] ; then \
+	    if $(SHELL) $$s/symlink-tree $${topdir}/[+module+] "no-such-file" ; then \
+	      if [ -f Makefile ]; then \
+	        if $(MAKE) distclean; then \
+	          true; \
+	        else \
+	          exit 1; \
+	        fi; \
 	      else \
-		true; \
+	        true; \
 	      fi; \
-	      srcdiroption="--srcdir=."; \
-	      libsrcdir="."; \
 	    else \
-	      srcdiroption="--srcdir=$${topdir}/[+module+]"; \
-	      libsrcdir="$$s/[+module+]"; \
+	      exit 1; \
 	    fi; \
-	    rm -f no-such-file || : ; \
-	    CONFIG_SITE=no-such-file $(SHELL) $${libsrcdir}/configure \
-	      $(TARGET_CONFIGARGS) $${srcdiroption} \
-	      --with-target-subdir="$(TARGET_SUBDIR)" \
-	      || exit 1
+	  else \
+	    true; \
+	  fi; \
+	  srcdiroption="--srcdir=."; \
+	  libsrcdir="."; \
+	else \
+	  srcdiroption="--srcdir=$${topdir}/[+module+]"; \
+	  libsrcdir="$$s/[+module+]"; \
+	fi; \
+	rm -f no-such-file || : ; \
+	CONFIG_SITE=no-such-file $(SHELL) $${libsrcdir}/configure \
+	  $(TARGET_CONFIGARGS) $${srcdiroption} \
+	  --with-target-subdir="$(TARGET_SUBDIR)" \
+	  || exit 1
 
 .PHONY: all-target-[+module+] maybe-all-target-[+module+]
 maybe-all-target-[+module+]:
 all-target-[+module+]: configure-target-[+module+]
 	@r=`${PWD}`; export r; \
-	  s=`cd $(srcdir); ${PWD}`; export s; \
-	  $(SET_LIB_PATH) \
-	  (cd $(TARGET_SUBDIR)/[+module+]; \
-	    $(MAKE) $(TARGET_FLAGS_TO_PASS) [+
-	       IF raw_cxx 
-	         +] 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)' [+ 
-	       ENDIF raw_cxx 
-	    +] all)
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	$(SET_LIB_PATH) \
+	(cd $(TARGET_SUBDIR)/[+module+] && \
+	  $(MAKE) $(TARGET_FLAGS_TO_PASS) [+
+	    IF raw_cxx 
+	  +] 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)' [+ 
+	    ENDIF raw_cxx 
+	  +] all)
+
+.PHONY: check-target-[+module+] maybe-check-target-[+module+]
+maybe-check-target-[+module+]:
 [+ IF no_check +]
 # Dummy target for uncheckable module.
-.PHONY: check-target-[+module+]
 check-target-[+module+]:
 [+ ELSE check +]
-.PHONY: check-target-[+module+]
 check-target-[+module+]:
 	@r=`${PWD}`; export r; \
-	  s=`cd $(srcdir); ${PWD}`; export s; \
-	  $(SET_LIB_PATH) \
-	  (cd $(TARGET_SUBDIR)/[+module+]; \
-	    $(MAKE) $(TARGET_FLAGS_TO_PASS) [+
-	       IF raw_cxx 
-	         +] 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)' [+ 
-	       ENDIF raw_cxx 
-	    +] check)
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	$(SET_LIB_PATH) \
+	(cd $(TARGET_SUBDIR)/[+module+] && \
+	  $(MAKE) $(TARGET_FLAGS_TO_PASS) [+
+	    IF raw_cxx 
+	      +] 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)' [+ 
+	    ENDIF raw_cxx 
+	  +] check)
 [+ ENDIF no_check +]
-[+ IF no_install +]
+
 .PHONY: install-target-[+module+] maybe-install-target-[+module+]
 maybe-install-target-[+module+]:
+[+ IF no_install +]
 # Dummy target for uninstallable.
 install-target-[+module+]:
 [+ ELSE install +]
-.PHONY: install-target-[+module+] maybe-install-target-[+module+]
-maybe-install-target-[+module+]:
 install-target-[+module+]: installdirs
 	@r=`${PWD}`; export r; \
-	  s=`cd $(srcdir); ${PWD}`; export s; \
-	  $(SET_LIB_PATH) \
-	  (cd $(TARGET_SUBDIR)/[+module+]; \
-	    $(MAKE) $(TARGET_FLAGS_TO_PASS) install)
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	$(SET_LIB_PATH) \
+	(cd $(TARGET_SUBDIR)/[+module+] && \
+	  $(MAKE) $(TARGET_FLAGS_TO_PASS) install)
 [+ ENDIF no_install +]
 [+ ENDFOR target_modules +]
 
@@ -1057,16 +1151,61 @@ install-target-[+module+]: installdirs
 # build modules.  So GCC is a sort of hybrid.
 
 # gcc is the only module which uses GCC_FLAGS_TO_PASS.
+.PHONY: configure-gcc maybe-configure-gcc
+maybe-configure-gcc:
+configure-gcc:
+	@test ! -f gcc/Makefile || exit 0; \
+	[ -d gcc ] || mkdir gcc; \
+	r=`${PWD}`; export r; \
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	CC="$(CC)"; export CC; \
+	CFLAGS="$(CFLAGS)"; export CFLAGS; \
+	CXX="$(CXX)"; export CXX; \
+	CXXFLAGS="$(CXXFLAGS)"; export CXXFLAGS; \
+	TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
+	AR="$(AR)"; export AR; \
+	AS="$(AS)"; export AS; \
+	CC_FOR_BUILD="$(CC_FOR_BUILD)"; export CC_FOR_BUILD; \
+	DLLTOOL="$(DLLTOOL)"; export DLLTOOL; \
+	LD="$(LD)"; export LD; \
+	NM="$(NM)"; export NM; \
+	RANLIB="$(RANLIB)"; export RANLIB; \
+	WINDRES="$(WINDRES)"; export WINDRES; \
+	OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
+	OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \
+	echo Configuring in gcc; \
+	cd gcc || exit 1; \
+	case $(srcdir) in \
+	  \.) \
+	    srcdiroption="--srcdir=."; \
+	    libsrcdir=".";; \
+	  /* | [A-Za-z]:[\\/]*) \
+	    srcdiroption="--srcdir=$(srcdir)/gcc"; \
+	    libsrcdir="$$s/gcc";; \
+	  *) \
+	    srcdiroption="--srcdir=../$(srcdir)/gcc"; \
+	    libsrcdir="$$s/gcc";; \
+	esac; \
+	$(SHELL) $${libsrcdir}/configure \
+	  $(HOST_CONFIGARGS) $${srcdiroption} \
+	  || exit 1
+
+# Don't 'make all' in gcc if it's already been made by 'bootstrap'; that
+# causes trouble.  This wart will be fixed eventually by moving
+# the bootstrap behavior to this file.
 .PHONY: all-gcc maybe-all-gcc
 maybe-all-gcc:
-all-gcc:
-	@if [ -f ./gcc/Makefile ] ; then \
+all-gcc: configure-gcc
+	@if [ -f gcc/stage_last ] ; then \
 	  r=`${PWD}`; export r; \
 	  s=`cd $(srcdir); ${PWD}`; export s; \
 	  $(SET_LIB_PATH) \
-	  (cd gcc; $(MAKE) $(GCC_FLAGS_TO_PASS) all); \
+	  (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) quickstrap); \
 	else \
-	  true; \
+	  r=`${PWD}`; export r; \
+	  s=`cd $(srcdir); ${PWD}`; export s; \
+	  $(SET_LIB_PATH) \
+	  (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) all); \
 	fi
 
 # Building GCC uses some tools for rebuilding "source" files
@@ -1079,8 +1218,9 @@ all-gcc:
 # In theory, on an SMP all those dependencies can be resolved
 # in parallel.
 #
-.PHONY: bootstrap bootstrap-lean bootstrap2 bootstrap2-lean bootstrap3 bootstrap3-lean bootstrap4 bootstrap4-lean bubblestrap quickstrap cleanstrap restrap
-bootstrap bootstrap-lean bootstrap2 bootstrap2-lean bootstrap3 bootstrap3-lean bootstrap4 bootstrap4-lean bubblestrap quickstrap cleanstrap restrap: all-bootstrap
+GCC_STRAP_TARGETS = bootstrap bootstrap-lean bootstrap2 bootstrap2-lean bootstrap3 bootstrap3-lean bootstrap4 bootstrap4-lean bubblestrap quickstrap cleanstrap restrap
+.PHONY: $(GCC_STRAP_TARGETS)
+$(GCC_STRAP_TARGETS): all-bootstrap configure-gcc
 	@r=`${PWD}`; export r; \
 	s=`cd $(srcdir); ${PWD}`; export s; \
 	$(SET_LIB_PATH) \
@@ -1090,14 +1230,17 @@ bootstrap bootstrap-lean bootstrap2 bootstrap2-lean bootstrap3 bootstrap3-lean b
 	s=`cd $(srcdir); ${PWD}`; export s; \
 	case "$@" in \
 	  *bootstrap4-lean ) \
-			msg="Comparing stage3 and stage4 of the compiler"; \
-	  		compare=compare3-lean ;; \
-	  *bootstrap4 ) msg="Comparing stage3 and stage4 of the compiler"; \
-	  		compare=compare3 ;; \
-	  *-lean )	msg="Comparing stage2 and stage3 of the compiler"; \
-	  		compare=compare-lean ;; \
-	  * )		msg="Comparing stage2 and stage3 of the compiler"; \
-	  		compare=compare ;; \
+	    msg="Comparing stage3 and stage4 of the compiler"; \
+	    compare=compare3-lean ;; \
+	  *bootstrap4 ) \
+	    msg="Comparing stage3 and stage4 of the compiler"; \
+	    compare=compare3 ;; \
+	  *-lean ) \
+	    msg="Comparing stage2 and stage3 of the compiler"; \
+	    compare=compare-lean ;; \
+	  * ) \
+	    msg="Comparing stage2 and stage3 of the compiler"; \
+	    compare=compare ;; \
 	esac; \
 	$(SET_LIB_PATH) \
 	echo "$$msg"; \
@@ -1108,6 +1251,23 @@ bootstrap bootstrap-lean bootstrap2 bootstrap2-lean bootstrap3 bootstrap3-lean b
 	echo "Building runtime libraries"; \
 	$(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all
 
+profiledbootstrap: all-bootstrap configure-gcc
+	@r=`${PWD}`; export r; \
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	$(SET_LIB_PATH) \
+	echo "Bootstrapping the compiler"; \
+	cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) stageprofile_build
+	@r=`${PWD}`; export r; \
+	s=`cd $(srcdir); ${PWD}` ; export s; \
+	$(SET_LIB_PATH) \
+	echo "Building runtime libraries and training compiler"; \
+	$(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all
+	@r=`${PWD}`; export r; \
+	s=`cd $(srcdir); ${PWD}`; export s; \
+	$(SET_LIB_PATH) \
+	echo "Building feedback based compiler"; \
+	cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) stagefeedback_build
+
 .PHONY: cross
 cross: all-texinfo all-bison all-byacc all-binutils all-gas all-ld
 	@r=`${PWD}`; export r; \
@@ -1122,28 +1282,32 @@ cross: all-texinfo all-bison all-byacc all-binutils all-gas all-ld
 	$(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) \
 	  LANGUAGES="c c++" all
 
-.PHONY: check-gcc
+.PHONY: check-gcc maybe-check-gcc
+maybe-check-gcc:
 check-gcc:
 	@if [ -f ./gcc/Makefile ] ; then \
 	  r=`${PWD}`; export r; \
 	  s=`cd $(srcdir); ${PWD}`; export s; \
 	  $(SET_LIB_PATH) \
-	  (cd gcc; $(MAKE) $(GCC_FLAGS_TO_PASS) check); \
+	  (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) check); \
 	else \
 	  true; \
 	fi
 
-.PHONY: check-c++
-check-c++:
+.PHONY: check-gcc-c++
+check-gcc-c++:
 	@if [ -f ./gcc/Makefile ] ; then \
 	  r=`${PWD}`; export r; \
 	  s=`cd $(srcdir); ${PWD}`; export s; \
 	  $(SET_LIB_PATH) \
-	  (cd gcc; $(MAKE) $(GCC_FLAGS_TO_PASS) check-c++); \
-	  $(MAKE) check-target-libstdc++-v3; \
+	  (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) check-c++); \
 	else \
 	  true; \
-	fi 
+	fi
+
+.PHONY: check-c++
+check-c++:
+	$(MAKE) check-target-libstdc++-v3 check-gcc-c++ NOTPARALLEL=parallel-ok
 
 .PHONY: install-gcc maybe-install-gcc
 maybe-install-gcc:
@@ -1152,7 +1316,7 @@ install-gcc:
 	  r=`${PWD}`; export r; \
 	  s=`cd $(srcdir); ${PWD}`; export s; \
 	  $(SET_LIB_PATH) \
-	  (cd gcc; $(MAKE) $(GCC_FLAGS_TO_PASS) install); \
+	  (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) install); \
 	else \
 	  true; \
 	fi
@@ -1172,7 +1336,7 @@ gcc-no-fixedincludes:
 	  r=`${PWD}`; export r; \
 	  s=`cd $(srcdir); ${PWD}` ; export s; \
 	  $(SET_LIB_PATH) \
-	  (cd ./gcc; \
+	  (cd ./gcc && \
 	   $(MAKE) $(GCC_FLAGS_TO_PASS) install); \
 	  rm -rf gcc/include; \
 	  mv gcc/tmp-include gcc/include 2>/dev/null; \
@@ -1190,6 +1354,8 @@ gcc-no-fixedincludes:
 # it's safer to use a soft dependency.
 
 # Host modules specific to gcc.
+# GCC needs to identify certain tools.
+configure-gcc: maybe-configure-binutils maybe-configure-gas maybe-configure-ld maybe-configure-bison maybe-configure-flex
 all-gcc: maybe-all-libiberty maybe-all-bison maybe-all-byacc maybe-all-binutils maybe-all-gas maybe-all-ld maybe-all-zlib
 # This is a slightly kludgy method of getting dependencies on 
 # all-build-libiberty correct; it would be better to build it every time.
@@ -1197,18 +1363,24 @@ all-gcc: maybe-all-build-libiberty
 all-bootstrap: maybe-all-libiberty maybe-all-texinfo maybe-all-bison maybe-all-byacc maybe-all-binutils maybe-all-gas maybe-all-ld maybe-all-zlib
 
 # Host modules specific to gdb.
+# GDB needs to know that the simulator is being built.
+configure-gdb: maybe-configure-tcl maybe-configure-tk maybe-configure-sim
 GDB_TK = @GDB_TK@
 all-gdb: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-mmalloc maybe-all-readline maybe-all-bison maybe-all-byacc maybe-all-sim $(gdbnlmrequirements) $(GDB_TK)
 install-gdb: maybe-install-tcl maybe-install-tk maybe-install-itcl maybe-install-tix maybe-install-libgui
+configure-libgui: maybe-configure-tcl maybe-configure-tk
 all-libgui: maybe-all-tcl maybe-all-tk maybe-all-itcl
 
 # Host modules specific to binutils.
+configure-bfd: configure-libiberty
 all-bfd: maybe-all-libiberty maybe-all-intl
 all-binutils: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-flex maybe-all-bison maybe-all-byacc maybe-all-intl
 # We put install-opcodes before install-binutils because the installed
 # binutils might be on PATH, and they might need the shared opcodes
 # library.
 install-binutils: maybe-install-opcodes
+# libopcodes depends on libbfd
+install-opcodes: maybe-install-bfd
 all-gas: maybe-all-libiberty maybe-all-opcodes maybe-all-bfd maybe-all-intl
 all-gprof: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-intl
 all-ld: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-bison maybe-all-byacc maybe-all-flex maybe-all-intl
@@ -1216,15 +1388,19 @@ all-opcodes: maybe-all-bfd maybe-all-libiberty
 
 # Other host modules in the 'src' repository.
 all-dejagnu: maybe-all-tcl maybe-all-expect maybe-all-tk
+configure-expect: maybe-configure-tcl maybe-configure-tk
 all-expect: maybe-all-tcl maybe-all-tk
+configure-itcl: maybe-configure-tcl maybe-configure-tk
 all-itcl: maybe-all-tcl maybe-all-tk
 # We put install-tcl before install-itcl because itcl wants to run a
 # program on installation which uses the Tcl libraries.
 install-itcl: maybe-install-tcl
-all-sid: maybe-all-tcl maybe-all-tk
+all-sid: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-tcl maybe-all-tk
 install-sid: maybe-install-tcl maybe-install-tk
-all-sim: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-readline
+all-sim: maybe-all-libiberty maybe-all-bfd maybe-all-opcodes maybe-all-readline maybe-configure-gdb
+configure-tk: maybe-configure-tcl
 all-tk: maybe-all-tcl
+configure-tix: maybe-configure-tcl maybe-configure-tk
 all-tix: maybe-all-tcl maybe-all-tk
 all-texinfo: maybe-all-libiberty
 
@@ -1236,7 +1412,6 @@ all-diff: maybe-all-libiberty
 all-fastjar: maybe-all-zlib maybe-all-libiberty
 all-fileutils: maybe-all-libiberty
 all-flex: maybe-all-libiberty maybe-all-bison maybe-all-byacc
-all-grep: maybe-all-libiberty
 all-gzip: maybe-all-libiberty
 all-hello: maybe-all-libiberty
 all-m4: maybe-all-libiberty maybe-all-texinfo
@@ -1246,9 +1421,7 @@ all-prms: maybe-all-libiberty
 all-recode: maybe-all-libiberty
 all-sed: maybe-all-libiberty
 all-send-pr: maybe-all-prms
-all-snavigator: maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-db maybe-all-grep maybe-all-libgui
 all-tar: maybe-all-libiberty
-all-tclX: maybe-all-tcl maybe-all-tk
 all-uudecode: maybe-all-libiberty
 
 ALL_GCC = maybe-all-gcc
@@ -1256,34 +1429,35 @@ ALL_GCC_C = $(ALL_GCC) maybe-all-target-newlib maybe-all-target-libgloss
 ALL_GCC_CXX = $(ALL_GCC_C) maybe-all-target-libstdc++-v3
 
 # Target modules specific to gcc.
-$(TARGET_SUBDIR)/boehm-gc/Makefile: $(ALL_GCC_C) maybe-configure-target-qthreads
-$(TARGET_SUBDIR)/fastjar/Makefile: maybe-configure-target-zlib
+configure-target-boehm-gc: $(ALL_GCC_C) maybe-configure-target-qthreads
+configure-target-fastjar: maybe-configure-target-zlib
 all-target-fastjar: maybe-all-target-zlib maybe-all-target-libiberty
-$(TARGET_SUBDIR)/libf2c/Makefile: $(ALL_GCC_C)
+configure-target-libf2c: $(ALL_GCC_C)
 all-target-libf2c: maybe-all-target-libiberty
-$(TARGET_SUBDIR)/libffi/Makefile: $(ALL_GCC_C) 
-$(TARGET_SUBDIR)/libjava/Makefile: $(ALL_GCC_C) maybe-configure-target-zlib maybe-configure-target-boehm-gc maybe-configure-target-qthreads maybe-configure-target-libffi
+configure-target-libffi: $(ALL_GCC_C) 
+configure-target-libjava: $(ALL_GCC_C) maybe-configure-target-zlib maybe-configure-target-boehm-gc maybe-configure-target-qthreads maybe-configure-target-libffi
 all-target-libjava: maybe-all-fastjar maybe-all-target-zlib maybe-all-target-boehm-gc maybe-all-target-qthreads maybe-all-target-libffi
-$(TARGET_SUBDIR)/libobjc/Makefile: $(ALL_GCC_C)
+configure-target-libobjc: $(ALL_GCC_C)
 all-target-libobjc: maybe-all-target-libiberty
-$(TARGET_SUBDIR)/libstdc++-v3/Makefile: $(ALL_GCC_C)
+configure-target-libstdc++-v3: $(ALL_GCC_C)
 all-target-libstdc++-v3: maybe-all-target-libiberty
-$(TARGET_SUBDIR)/zlib/Makefile: $(ALL_GCC_C)
+configure-target-zlib: $(ALL_GCC_C)
 
 # Target modules in the 'src' repository.
-$(TARGET_SUBDIR)/examples/Makefile: $(ALL_GCC_C)
-$(TARGET_SUBDIR)/libgloss/Makefile: $(ALL_GCC)
+configure-target-examples: $(ALL_GCC_C)
+configure-target-libgloss: $(ALL_GCC)
 all-target-libgloss: maybe-configure-target-newlib
-$(TARGET_SUBDIR)/libiberty/Makefile: $(ALL_GCC_C)
-$(TARGET_SUBDIR)/libtermcap/Makefile: $(ALL_GCC_C)
-$(TARGET_SUBDIR)/newlib/Makefile: $(ALL_GCC)
-$(TARGET_SUBDIR)/winsup/Makefile: $(ALL_GCC_C)
+configure-target-libiberty: $(ALL_GCC)
+configure-target-libtermcap: $(ALL_GCC_C)
+configure-target-newlib: $(ALL_GCC)
+configure-target-rda: $(ALL_GCC_C)
+configure-target-winsup: $(ALL_GCC_C)
 all-target-winsup: maybe-all-target-libiberty maybe-all-target-libtermcap
 
 # Other target modules.  Warning, these are not well tested.
-$(TARGET_SUBDIR)/gperf/Makefile: $(ALL_GCC_CXX)
+configure-target-gperf: $(ALL_GCC_CXX)
 all-target-gperf: maybe-all-target-libiberty maybe-all-target-libstdc++-v3
-$(TARGET_SUBDIR)/qthreads/Makefile: $(ALL_GCC_C)
+configure-target-qthreads: $(ALL_GCC_C)
 
 # Dependencies of maybe-foo on foo.  These are used because, for example,
 # all-gcc only depends on all-gas if gas is present and being configured.
@@ -1298,20 +1472,45 @@ $(TARGET_SUBDIR)/qthreads/Makefile: $(ALL_GCC_C)
 # 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}`; export r; \
+	echo "Checking multilib configuration..."; \
+	$(CC_FOR_TARGET) --print-multi-lib > multilib.tmp 2> /dev/null ; \
+	$(SHELL) $(srcdir)/move-if-change multilib.tmp multilib.out ; \
+
 # Rebuilding Makefile.in, using autogen.
-$(srcdir)/Makefile.in: # $(srcdir)/Makefile.tpl $(srcdir)/Makefile.def
-	cd $(srcdir) && autogen Makefile.def
+AUTOGEN = autogen
+$(srcdir)/Makefile.in: @MAINT@ $(srcdir)/Makefile.tpl $(srcdir)/Makefile.def
+	cd $(srcdir) && $(AUTOGEN) Makefile.def
 
-# with the gnu make, this is done automatically.
+# Rebuilding Makefile.
+Makefile: $(srcdir)/Makefile.in config.status
+	CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status
 
-host_makefile_frag=@host_makefile_frag@
-target_makefile_frag=@target_makefile_frag@
+config.status: configure $(gcc_version_trigger)
+	$(SHELL) ./config.status --recheck
 
-Makefile: Makefile.in configure.in $(host_makefile_frag) $(target_makefile_frag) $(gcc_version_trigger)
-	$(SHELL) ./config.status
+# Rebuilding configure.
+AUTOCONF = autoconf
+$(srcdir)/configure: @MAINT@ $(srcdir)/configure.in $(srcdir)/config/acx.m4
+	cd $(srcdir) && $(AUTOCONF)
 
-#
+# ------------------------------
+# Special directives to GNU Make
+# ------------------------------
+
+# Tell GNU make 3.79 not to run the top level in parallel.  This 
+# prevents contention for $builddir/$target/config.cache, as well
+# as minimizing scatter in file system caches.
+NOTPARALLEL = .NOTPARALLEL
+$(NOTPARALLEL):
 
+# Don't pass command-line variables to submakes.
 .NOEXPORT:
 MAKEOVERRIDES=