OSDN Git Service

* g++.dg/other/static11.C: Use cleanup-rtl-dump.
[pf3gnuchains/gcc-fork.git] / Makefile.tpl
index a348206..ea0de59 100644 (file)
@@ -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 Free Software Foundation
+#   1999, 2000, 2001, 2002, 2003, 2004 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
@@ -29,20 +29,11 @@ in
 VPATH=@srcdir@
 
 build_alias=@build_alias@
-build_cpu=@build_cpu@
-build_vendor=@build_vendor@
-build_os=@build_os@
-build_canonical=@build_cpu@-@build_vendor@-@build_os@
+build=@build@
 host_alias=@host_alias@
-host_cpu=@host_cpu@
-host_vendor=@host_vendor@
-host_os=@host_os@
-host_canonical=@host_cpu@-@host_vendor@-@host_os@
+host=@host@
 target_alias=@target_alias@
-target_cpu=@target_cpu@
-target_vendor=@target_vendor@
-target_os=@target_os@
-target_canonical=@target_cpu@-@target_vendor@-@target_os@
+target=@target@
 
 program_transform_name = @program_transform_name@
 
@@ -73,51 +64,29 @@ man7dir = $(mandir)/man7
 man8dir = $(mandir)/man8
 man9dir = $(mandir)/man9
 
-# INSTALL_PROGRAM_ARGS is changed by configure.in to use -x for a
-# cygwin host.
-INSTALL_PROGRAM_ARGS =
-
-INSTALL = $(SHELL) $$s/install-sh -c
-INSTALL_PROGRAM = $(INSTALL) $(INSTALL_PROGRAM_ARGS)
-INSTALL_SCRIPT = $(INSTALL)
-INSTALL_DATA = $(INSTALL) -m 644
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_DATA = @INSTALL_DATA@
+LN = @LN@
+LN_S = @LN_S@
 
 # -------------------------------------------------
 # Miscellaneous non-standard autoconf-set variables
 # -------------------------------------------------
 
-links=@configlinks@
-# The file containing GCC's version number.
-gcc_version_trigger = @gcc_version_trigger@
-gcc_version = @gcc_version@
-
 # The gcc driver likes to know the arguments it was configured with.
 TOPLEVEL_CONFIGURE_ARGUMENTS=@TOPLEVEL_CONFIGURE_ARGUMENTS@
 
-gxx_include_dir = @gxx_include_dir@
-libstdcxx_incdir = @libstdcxx_incdir@
-
 tooldir = @tooldir@
 build_tooldir = @build_tooldir@
 
-# Directory in which the compiler finds executables, libraries, etc.
-libsubdir = $(libdir)/gcc-lib/$(target_alias)/$(gcc_version)
 GDB_NLM_DEPS = 
 
 # This is the name of the environment variable used for the path to
 # the libraries.
 RPATH_ENVVAR = @RPATH_ENVVAR@
 
-# This is set by configure to REALLY_SET_LIB_PATH if --enable-shared
-# was used.
-SET_LIB_PATH = @SET_LIB_PATH@
-
-# 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);
-
 # This is the list of directories to be built for the build system.
 BUILD_CONFIGDIRS = libiberty
 # Build programs are put under this directory.
@@ -126,11 +95,81 @@ BUILD_SUBDIR = @build_subdir@
 # directories built for the build system.
 BUILD_CONFIGARGS = @build_configargs@
 
+# This is the list of variables to export in the environment when
+# configuring any subdirectory.  It must also be exported whenever
+# recursing into a build directory in case that directory's Makefile
+# re-runs configure.
+BASE_EXPORTS = \
+       FLEX="$(FLEX)"; export FLEX; \
+       LEX="$(LEX)"; export LEX; \
+       BISON="$(BISON)"; export BISON; \
+       YACC="$(YACC)"; export YACC; \
+       M4="$(M4)"; export M4; \
+       MAKEINFO="$(MAKEINFO)"; export MAKEINFO;
+
+# This is the list of variables to export in the environment when
+# configuring subdirectories for the build system.
+BUILD_EXPORTS = \
+       $(BASE_EXPORTS) \
+       AR="$(AR_FOR_BUILD)"; export AR; \
+       AS="$(AS_FOR_BUILD)"; export AS; \
+       CC="$(CC_FOR_BUILD)"; export CC; \
+       CFLAGS="$(CFLAGS_FOR_BUILD)"; export CFLAGS; \
+       CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
+       CXX="$(CXX_FOR_BUILD)"; export CXX; \
+       CXXFLAGS="$(CXXFLAGS_FOR_BUILD)"; export CXXFLAGS; \
+       GCJ="$(GCJ_FOR_BUILD)"; export GCJ; \
+       GFORTRAN="$(GFORTRAN_FOR_BUILD)"; export GFORTRAN; \
+       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;
+
 # 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@
+# Host programs are put under this directory, which is . except if building
+# with srcdir=..
+HOST_SUBDIR = @host_subdir@
+# This is the list of variables to export in the environment when
+# configuring subdirectories for the host system.
+HOST_EXPORTS = \
+       $(BASE_EXPORTS) \
+       CC="$(CC)"; export CC; \
+       CFLAGS="$(CFLAGS)"; export CFLAGS; \
+       CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
+       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="$(LD)"; export LD; \
+       LDFLAGS="$(LDFLAGS)"; export LDFLAGS; \
+       NM="$(NM)"; export NM; \
+       RANLIB="$(RANLIB)"; export RANLIB; \
+       WINDRES="$(WINDRES)"; export WINDRES; \
+       OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
+       OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \
+       TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
+       GMPLIBS="$(HOST_GMPLIBS)"; export GMPLIBS; \
+       GMPINC="$(HOST_GMPINC)"; export GMPINC; \
+       $(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
+
+# Similar, for later GCC stages.
+STAGE_HOST_EXPORTS = \
+       $(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
+       $(HOST_EXPORTS) \
+       CC="$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/prev-gcc/xgcc$(exeext) \
+         -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/"; export CC; \
+       CC_FOR_BUILD="$(STAGE_CC_WRAPPER) \
+         $$r/$(HOST_SUBDIR)/prev-gcc/xgcc$(exeext) \
+         -B$$r/$(HOST_SUBDIR)/prev-gcc/ \
+         -B$(build_tooldir)/bin/"; export CC_FOR_BUILD;
 
 # This is set by the configure script to the list of directories which
 # should be built using the target tools.
@@ -140,6 +179,39 @@ 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@
+# This is the list of variables to export in the environment when
+# configuring subdirectories for the host system.
+BASE_TARGET_EXPORTS = \
+       $(BASE_EXPORTS) \
+       AR="$(AR_FOR_TARGET)"; export AR; \
+       AS="$(AS_FOR_TARGET)"; export AS; \
+       CC="$(CC_FOR_TARGET)"; export CC; \
+       CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
+       CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
+       CPPFLAGS="$(CPPFLAGS_FOR_TARGET)"; export CPPFLAGS; \
+       CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \
+       GCJ="$(GCJ_FOR_TARGET)"; export GCJ; \
+       GFORTRAN="$(GFORTRAN_FOR_TARGET)"; export GFORTRAN; \
+       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; \
+       $(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
+
+RAW_CXX_TARGET_EXPORTS = \
+       $(BASE_TARGET_EXPORTS) \
+       CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
+       CXX="$(RAW_CXX_FOR_TARGET)"; export CXX;
+
+NORMAL_TARGET_EXPORTS = \
+       $(BASE_TARGET_EXPORTS) \
+       CXX="$(CXX_FOR_TARGET)"; export CXX;
+
+# Where to find GMP
+HOST_GMPLIBS = @gmplibs@
+HOST_GMPINC = @gmpinc@
 
 # ----------------------------------------------
 # Programs producing files for the BUILD machine
@@ -151,57 +223,67 @@ SHELL = @config_shell@
 # 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 = $${PWDCMD-pwd}
+# Don't use PWD since it is a common shell environment variable and we
+# don't want to corrupt it.
+PWD_COMMAND = $${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)
+CFLAGS_FOR_BUILD = @CFLAGS_FOR_BUILD@
 
 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 $$r/bison/bison ] ; then \
-           echo $$r/bison/bison -L $$s/bison/ ; \
+# Flags to pass to stage2 and later makes.  They are defined
+# here so that they can be overridden by Makefile fragments.
+BOOT_CFLAGS= -g -O2
+
+CONFIGURED_BISON = @CONFIGURED_BISON@
+BISON = `if [ -f $$r/$(BUILD_SUBDIR)/bison/tests/bison ] ; then \
+           echo $$r/$(BUILD_SUBDIR)/bison/tests/bison ; \
         else \
-           echo bison ; \
+           echo ${CONFIGURED_BISON} ; \
         fi`
 
-DEFAULT_YACC = @DEFAULT_YACC@
-YACC=@YACC@
-USUAL_YACC = `if [ -f $$r/bison/bison ] ; then \
-           echo $$r/bison/bison -y -L $$s/bison/ ; \
-       elif [ -f $$r/byacc/byacc ] ; then \
-           echo $$r/byacc/byacc ; \
+CONFIGURED_YACC = @CONFIGURED_YACC@
+YACC = `if [ -f $$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 ${DEFAULT_YACC} ; \
+           echo ${CONFIGURED_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`
+CONFIGURED_FLEX = @CONFIGURED_FLEX@
+FLEX = `if [ -f $$r/$(BUILD_SUBDIR)/flex/flex ] ; \
+       then echo $$r/$(BUILD_SUBDIR)/flex/flex ; \
+       else echo ${CONFIGURED_FLEX} ; fi`
 
-DEFAULT_M4 = @DEFAULT_M4@
-M4 = `if [ -f $$r/m4/m4 ] ; \
-       then echo $$r/m4/m4 ; \
-       else echo ${DEFAULT_M4} ; 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.
-MAKEINFO=@MAKEINFO@
-USUAL_MAKEINFO = `if [ -f $$r/texinfo/makeinfo/makeinfo ] ; \
-       then echo $$r/texinfo/makeinfo/makeinfo ; \
-       else if (makeinfo --version \
+# 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 makeinfo; else echo $$s/missing makeinfo; fi; fi`
+        then echo ${CONFIGURED_MAKEINFO}; else echo $$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
@@ -209,8 +291,9 @@ USUAL_MAKEINFO = `if [ -f $$r/texinfo/makeinfo/makeinfo ] ; \
 # (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 ; \
+# 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 $$s/dejagnu/runtest ] ; \
@@ -221,10 +304,6 @@ RUNTEST = `if [ -f $$s/dejagnu/runtest ] ; \
 # Programs producing files for the HOST machine
 # ---------------------------------------------
 
-# 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
-
 AS = @AS@
 
 AR = @AR@
@@ -255,35 +334,33 @@ 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:
-
 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 $$r/binutils/ar ] ; then \
-    echo $$r/binutils/ar ; \
+  if [ -f $$r/$(HOST_SUBDIR)/binutils/ar ] ; then \
+    echo $$r/$(HOST_SUBDIR)/binutils/ar ; \
   else \
-    if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
+    if [ '$(host)' = '$(target)' ] ; then \
       echo $(AR); \
     else \
-       echo ar | sed '$(program_transform_name)' ; \
+      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 $$r/gas/as-new ] ; then \
-    echo $$r/gas/as-new ; \
-  elif [ -f $$r/gcc/xgcc ]; then \
+  if [ -f $$r/$(HOST_SUBDIR)/gas/as-new ] ; then \
+    echo $$r/$(HOST_SUBDIR)/gas/as-new ; \
+  elif [ -f $$r/$(HOST_SUBDIR)/gcc/xgcc ]; then \
     $(CC_FOR_TARGET) -print-prog-name=as ; \
   else \
-    if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
+    if [ '$(host)' = '$(target)' ] ; then \
       echo $(AS); \
     else \
-       echo as | sed '$(program_transform_name)' ; \
+      echo $(CONFIGURED_AS_FOR_TARGET) ; \
     fi; \
   fi`
 
@@ -298,7 +375,8 @@ CFLAGS_FOR_TARGET = -O2 $(CFLAGS)
 # 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)
+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)
 
 CXX_FOR_TARGET = @CXX_FOR_TARGET@
@@ -309,74 +387,80 @@ CXXFLAGS_FOR_TARGET = $(CXXFLAGS)
 LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
 
 DLLTOOL_FOR_TARGET=@DLLTOOL_FOR_TARGET@
+CONFIGURED_DLLTOOL_FOR_TARGET=@CONFIGURED_DLLTOOL_FOR_TARGET@
 USUAL_DLLTOOL_FOR_TARGET = ` \
-  if [ -f $$r/binutils/dlltool ] ; then \
-    echo $$r/binutils/dlltool ; \
+  if [ -f $$r/$(HOST_SUBDIR)/binutils/dlltool ] ; then \
+    echo $$r/$(HOST_SUBDIR)/binutils/dlltool ; \
   else \
-    if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
+    if [ '$(host)' = '$(target)' ] ; then \
       echo $(DLLTOOL); \
     else \
-       echo dlltool | sed '$(program_transform_name)' ; \
+      echo $(CONFIGURED_DLLTOOL_FOR_TARGET) ; \
     fi; \
   fi`
 
 GCJ_FOR_TARGET = @GCJ_FOR_TARGET@
+GFORTRAN_FOR_TARGET = @GFORTRAN_FOR_TARGET@
 
 LD_FOR_TARGET=@LD_FOR_TARGET@
+CONFIGURED_LD_FOR_TARGET=@CONFIGURED_LD_FOR_TARGET@
 USUAL_LD_FOR_TARGET = ` \
-  if [ -f $$r/ld/ld-new ] ; then \
-    echo $$r/ld/ld-new ; \
-  elif [ -f $$r/gcc/xgcc ]; then \
+  if [ -f $$r/$(HOST_SUBDIR)/ld/ld-new ] ; then \
+    echo $$r/$(HOST_SUBDIR)/ld/ld-new ; \
+  elif [ -f $$r/$(HOST_SUBDIR)/gcc/xgcc ]; then \
     $(CC_FOR_TARGET) -print-prog-name=ld ; \
   else \
-    if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
+    if [ '$(host)' = '$(target)' ] ; then \
       echo $(LD); \
     else \
-       echo ld | sed '$(program_transform_name)' ; \
+      echo $(CONFIGURED_LD_FOR_TARGET) ; \
     fi; \
   fi`
 
 LDFLAGS_FOR_TARGET = 
 
 NM_FOR_TARGET=@NM_FOR_TARGET@
+CONFIGURED_NM_FOR_TARGET=@CONFIGURED_NM_FOR_TARGET@
 USUAL_NM_FOR_TARGET = ` \
-  if [ -f $$r/binutils/nm-new ] ; then \
-    echo $$r/binutils/nm-new ; \
-  elif [ -f $$r/gcc/xgcc ]; then \
+  if [ -f $$r/$(HOST_SUBDIR)/binutils/nm-new ] ; then \
+    echo $$r/$(HOST_SUBDIR)/binutils/nm-new ; \
+  elif [ -f $$r/$(HOST_SUBDIR)/gcc/xgcc ]; then \
     $(CC_FOR_TARGET) -print-prog-name=nm ; \
   else \
-    if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
+    if [ '$(host)' = '$(target)' ] ; then \
       echo $(NM); \
     else \
-       echo nm | sed '$(program_transform_name)' ; \
+      echo $(CONFIGURED_NM_FOR_TARGET) ; \
     fi; \
   fi`
 
 RANLIB_FOR_TARGET=@RANLIB_FOR_TARGET@
+CONFIGURED_RANLIB_FOR_TARGET=@CONFIGURED_RANLIB_FOR_TARGET@
 USUAL_RANLIB_FOR_TARGET = ` \
-  if [ -f $$r/binutils/ranlib ] ; then \
-    echo $$r/binutils/ranlib ; \
+  if [ -f $$r/$(HOST_SUBDIR)/binutils/ranlib ] ; then \
+    echo $$r/$(HOST_SUBDIR)/binutils/ranlib ; \
   else \
-    if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
+    if [ '$(host)' = '$(target)' ] ; then \
       if [ x'$(RANLIB)' != x ]; then \
          echo $(RANLIB); \
       else \
          echo ranlib; \
       fi; \
     else \
-       echo ranlib | sed '$(program_transform_name)' ; \
+      echo $(CONFIGURED_RANLIB_FOR_TARGET) ; \
     fi; \
   fi`
 
 WINDRES_FOR_TARGET=@WINDRES_FOR_TARGET@
+CONFIGURED_WINDRES_FOR_TARGET=@CONFIGURED_WINDRES_FOR_TARGET@
 USUAL_WINDRES_FOR_TARGET = ` \
-  if [ -f $$r/binutils/windres ] ; then \
-    echo $$r/binutils/windres ; \
+  if [ -f $$r/$(HOST_SUBDIR)/binutils/windres ] ; then \
+    echo $$r/$(HOST_SUBDIR)/binutils/windres ; \
   else \
-    if [ '$(host_canonical)' = '$(target_canonical)' ] ; then \
+    if [ '$(host)' = '$(target)' ] ; then \
       echo $(WINDRES); \
     else \
-       echo windres | sed '$(program_transform_name)' ; \
+      echo $(CONFIGURED_WINDRES_FOR_TARGET) ; \
     fi; \
   fi`
 
@@ -388,8 +472,7 @@ PICFLAG_FOR_TARGET =
 
 # 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
+@default_target@:
 
 #### host and target specific makefile fragments come in here.
 @target_makefile_frag@
@@ -398,71 +481,42 @@ all: all.normal
 @host_makefile_frag@
 ###
 
+# 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 = [+ FOR target_modules +][+
+  IF lib_path +]$(TARGET_LIB_PATH_[+module+])[+ ENDIF lib_path +][+
+  ENDFOR target_modules +]$(HOST_LIB_PATH_gcc)
+[+ FOR target_modules +][+ IF lib_path +]
+@if target-[+module+]
+TARGET_LIB_PATH_[+module+] = $$r/$(TARGET_SUBDIR)/[+module+]/[+lib_path+]:
+@endif target-[+module+]
+[+ ENDIF lib_path +][+ ENDFOR target_modules +]
+
+
+# This is the list of directories that may be needed in RPATH_ENVVAR
+# so that programs built for the host machine work.
+HOST_LIB_PATH = [+ FOR host_modules +][+
+  IF lib_path +]$(HOST_LIB_PATH_[+module+])[+ ENDIF lib_path +][+
+  ENDFOR host_modules +]
+
+# Define HOST_LIB_PATH_gcc here, for the sake of TARGET_LIB_PATH, ouch
+@if gcc
+HOST_LIB_PATH_gcc = $$r/$(HOST_SUBDIR)/gcc:$$r/$(HOST_SUBDIR)/prev-gcc:
+@endif gcc
+
+[+ FOR host_modules +][+ IF lib_path +]
+@if [+module+]
+HOST_LIB_PATH_[+module+] = \
+  $$r/$(HOST_SUBDIR)/[+module+]/[+lib_path+]:[+ IF bootstrap
+  +]$$r/$(HOST_SUBDIR)/prev-[+module+]/[+lib_path+]:[+ ENDIF bootstrap +]
+@endif [+module+]
+[+ ENDIF lib_path +][+ ENDFOR host_modules +]
+
 # Flags to pass down to all sub-makes.
-# Please keep these in alphabetical order.
-BASE_FLAGS_TO_PASS = \
-       "AR_FLAGS=$(AR_FLAGS)" \
-       "AR_FOR_TARGET=$(AR_FOR_TARGET)" \
-       "AS_FOR_TARGET=$(AS_FOR_TARGET)" \
-       "BISON=$(BISON)" \
-       "CC_FOR_BUILD=$(CC_FOR_BUILD)" \
-       "CC_FOR_TARGET=$(CC_FOR_TARGET)" \
-       "CFLAGS=$(CFLAGS)" \
-       "CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \
-       "GCJ_FOR_TARGET=$(GCJ_FOR_TARGET)" \
-       "CXX_FOR_BUILD=$(CXX_FOR_BUILD)" \
-       "CXXFLAGS=$(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)" \
-       "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
-       "INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \
-       "LDFLAGS=$(LDFLAGS)" \
-       "LEX=$(LEX)" \
-       "LD_FOR_TARGET=$(LD_FOR_TARGET)" \
-       "LIBCFLAGS=$(LIBCFLAGS)" \
-       "LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" \
-       "LIBCXXFLAGS=$(LIBCXXFLAGS)" \
-       "LIBCXXFLAGS_FOR_TARGET=$(LIBCXXFLAGS_FOR_TARGET)" \
-       "M4=$(M4)" \
-       "MAKE=$(MAKE)" \
-       "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
-       "NM_FOR_TARGET=$(NM_FOR_TARGET)" \
-       "RANLIB_FOR_TARGET=$(RANLIB_FOR_TARGET)" \
-       "RPATH_ENVVAR=$(RPATH_ENVVAR)" \
-       "SHELL=$(SHELL)" \
-       "EXPECT=$(EXPECT)" \
-       "RUNTEST=$(RUNTEST)" \
-       "RUNTESTFLAGS=$(RUNTESTFLAGS)" \
-       "TARGET_SUBDIR=$(TARGET_SUBDIR)" \
-       "WINDRES_FOR_TARGET=$(WINDRES_FOR_TARGET)" \
-       "YACC=$(YACC)" \
-       "bindir=$(bindir)" \
-       "datadir=$(datadir)" \
-       "exec_prefix=$(exec_prefix)" \
-       "includedir=$(includedir)" \
-       "infodir=$(infodir)" \
-       "libdir=$(libdir)" \
-       "libexecdir=$(libexecdir)" \
-       "lispdir=$(lispdir)" \
-       "libstdcxx_incdir=$(libstdcxx_incdir)" \
-       "libsubdir=$(libsubdir)" \
-       "localstatedir=$(localstatedir)" \
-       "mandir=$(mandir)" \
-       "oldincludedir=$(oldincludedir)" \
-       "prefix=$(prefix)" \
-       "sbindir=$(sbindir)" \
-       "sharedstatedir=$(sharedstatedir)" \
-       "sysconfdir=$(sysconfdir)" \
-       "tooldir=$(tooldir)" \
-       "build_tooldir=$(build_tooldir)" \
-       "gxx_include_dir=$(gxx_include_dir)" \
-       "gcc_version=$(gcc_version)" \
-       "gcc_version_trigger=$(gcc_version_trigger)" \
-       "target_alias=$(target_alias)" 
+BASE_FLAGS_TO_PASS = [+ FOR flags_to_pass +]\
+       "[+flag+]=$([+flag+])" [+ ENDFOR flags_to_pass +]\
+       "CONFIG_SHELL=$(SHELL)" \
+       "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" 
 
 # For any flags above that may contain shell code that varies from one
 # target library to another.  When doing recursive invocations of the
@@ -473,9 +527,10 @@ RECURSE_FLAGS = \
        CXX_FOR_TARGET='$(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)' \
        RAW_CXX_FOR_TARGET='$(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)' \
 
+RECURSE_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS)
+
 # Flags to pass down to most sub-makes, in which we're building with
 # the host environment.
-# If any variables are added here, they must be added to do-*, below.
 EXTRA_HOST_FLAGS = \
        'AR=$(AR)' \
        'AS=$(AS)' \
@@ -504,7 +559,6 @@ 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)' \
@@ -526,36 +580,27 @@ 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)' \
-       'AS=$(AS)' \
-       'CC=$(CC)' \
-       'CXX=$(CXX)' \
-       'DLLTOOL=$$(DLLTOOL_FOR_TARGET)' \
-       'BUILD_CC=$(CC_FOR_BUILD)' \
        'BUILD_PREFIX=$(BUILD_PREFIX)' \
        'BUILD_PREFIX_1=$(BUILD_PREFIX_1)' \
-       'NM=$(NM)' \
-       'RANLIB=$(RANLIB)' \
-       'WINDRES=$$(WINDRES_FOR_TARGET)' \
        "GCC_FOR_TARGET=$(GCC_FOR_TARGET)" \
        "CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \
-       "`echo 'LANGUAGES=$(LANGUAGES)' | sed -e s/.*=$$/XFOO=/`" \
-       "`echo 'STMP_FIXPROTO=$(STMP_FIXPROTO)' | sed -e s/.*=$$/XFOO=/`" \
-       "`echo 'LIMITS_H_TEST=$(LIMITS_H_TEST)' | sed -e s/.*=$$/XFOO=/`" \
-       "`echo 'LIBGCC2_CFLAGS=$(LIBGCC2_CFLAGS)' | sed -e s/.*=$$/XFOO=/`" \
-       "`echo 'LIBGCC2_DEBUG_CFLAGS=$(LIBGCC2_DEBUG_CFLAGS)' | sed -e s/.*=$$/XFOO=/`" \
-       "`echo 'LIBGCC2_INCLUDES=$(LIBGCC2_INCLUDES)' | sed -e s/.*=$$/XFOO=/`" \
-       "`echo 'ENQUIRE=$(ENQUIRE)' | sed -e s/.*=$$/XFOO=/`" \
-       "`echo 'STAGE1_CFLAGS=$(STAGE1_CFLAGS)' | sed -e s/.*=$$/XFOO=/`" \
-       "`echo 'BOOT_CFLAGS=$(BOOT_CFLAGS)' | sed -e s/.*=$$/XFOO=/`"
-
-GCC_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_GCC_FLAGS)
+       "`echo 'LANGUAGES=$(LANGUAGES)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
+       "`echo 'STMP_FIXPROTO=$(STMP_FIXPROTO)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
+       "`echo 'LIMITS_H_TEST=$(LIMITS_H_TEST)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
+       "`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)
 
 .PHONY: configure-host
-configure-host: maybe-configure-gcc [+
+configure-host: [+
   FOR host_modules +] \
     maybe-configure-[+module+][+
   ENDFOR host_modules +]
@@ -565,32 +610,17 @@ configure-target: [+
     maybe-configure-target-[+module+][+
   ENDFOR 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 +]
-
-# The target built for a native build.
-.PHONY: all.normal
-all.normal: @all_build_modules@ all-host all-target
+# The target built for a native non-bootstrap build.
+.PHONY: all
+all: unstage all-host all-target stage
 
+.PHONY: all-build
+all-build: [+
+  FOR build_modules +] \
+    maybe-all-build-[+module+][+
+  ENDFOR build_modules +]
 .PHONY: all-host
-all-host: maybe-all-gcc [+
+all-host: [+
   FOR host_modules +] \
     maybe-all-[+module+][+
   ENDFOR host_modules +]
@@ -604,74 +634,39 @@ all-target: [+
 # ``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; \
-       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 ; \
-           (cd ./$$i && \
-               $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
-                       "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
-                       "RANLIB=$${RANLIB}" \
-                       "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
-                       [+target+]) \
-           || exit 1; \
-         else true; fi; \
-       done
-       # Break into two pieces
-       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; \
-           (cd $(TARGET_SUBDIR)/$$i && \
-               $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
-                       "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
-                       "RANLIB=$${RANLIB}" \
-                       "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
-                       [+target+]) \
-           || exit 1; \
-         else true; fi; \
-       done
-[+ ENDFOR recursive_targets +]
+.PHONY: do-[+make_target+]
+do-[+make_target+]: unstage [+make_target+]-host [+make_target+]-target stage
 
+.PHONY: [+make_target+]-host
+[+make_target+]-host: [+
+  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 +]
+[+ ENDFOR recursive_targets +]
 
 # Here are the targets which correspond to the do-X targets.
 
-.PHONY: info installcheck dvi install-info
+.PHONY: info installcheck dvi html install-info
 .PHONY: clean distclean mostlyclean maintainer-clean realclean
 .PHONY: local-clean local-distclean local-maintainer-clean
 info: do-info
 installcheck: do-installcheck
 dvi: do-dvi
+html: do-html
 
 # 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; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        if [ -f dir.info ] ; then \
          $(INSTALL_DATA) dir.info $(DESTDIR)$(infodir)/dir.info ; \
        else true ; fi
@@ -686,6 +681,9 @@ local-distclean:
          rm -rf $(TARGET_SUBDIR); \
        else true; fi
        -rm -rf $(BUILD_SUBDIR)
+       -if [ "$(HOST_SUBDIR)" != "." ]; then \
+         rm -rf $(HOST_SUBDIR); \
+       else true; fi
        -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
@@ -703,53 +701,28 @@ 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) | \
        while read d; do rm -f gcc/$$d/libgcc.a || : ; done
        -rm -rf gcc/libgcc
+       -rm -f gcc/stmp-dirs
 
 # Check target.
 
 .PHONY: check do-check
-check:
-       $(MAKE) do-check NOTPARALLEL=parallel-ok
+check: do-check
 
 # Only include modules actually being configured and built.
-do-check: maybe-check-gcc [+
+do-check: unstage [+
   FOR host_modules +] \
     maybe-check-[+module+][+
   ENDFOR host_modules +][+
   FOR target_modules +] \
     maybe-check-target-[+module+][+
-  ENDFOR target_modules +]
+  ENDFOR target_modules +] stage
 
 # Automated reporting of test results.
 
@@ -779,12 +752,12 @@ install: installdirs install-host install-target
 
 .PHONY: install-host-nogcc
 install-host-nogcc: [+
-  FOR host_modules +] \
-    maybe-install-[+module+][+
+  FOR host_modules +][+ IF (not (= (get "module") "gcc")) +] \
+    maybe-install-[+module+][+ ENDIF +][+
   ENDFOR host_modules +]
 
 .PHONY: install-host
-install-host: maybe-install-gcc [+
+install-host: [+
   FOR host_modules +] \
     maybe-install-[+module+][+
   ENDFOR host_modules +]
@@ -801,8 +774,8 @@ uninstall:
 .PHONY: install.all
 install.all: install-no-fixedincludes
        @if [ -f ./gcc/Makefile ] ; then \
-               r=`${PWD}` ; export r ; \
-               $(SET_LIB_PATH) \
+               r=`${PWD_COMMAND}` ; export r ; \
+               $(HOST_EXPORTS) \
                (cd ./gcc && \
                $(MAKE) $(FLAGS_TO_PASS) install-headers) ; \
        else \
@@ -851,72 +824,42 @@ TAGS: do-TAGS
 [+ FOR build_modules +]
 .PHONY: configure-build-[+module+] maybe-configure-build-[+module+]
 maybe-configure-build-[+module+]:
+@if build-[+module+]
+maybe-configure-build-[+module+]: configure-build-[+module+]
 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; \
+       $(SHELL) $(srcdir)/mkinstalldirs $(BUILD_SUBDIR)/[+module+] ; \
+       r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(BUILD_EXPORTS) \
        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="../../$(srcdir)" ;; \
-           esac ;; \
+         /* | [A-Za-z]:[\\/]*) topdir=$(srcdir) ;; \
+         *) topdir=`echo $(BUILD_SUBDIR)/[+module+]/ | \
+               sed -e 's,\./,,g' -e 's,[^/]*/,../,g' `$(srcdir) ;; \
        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; \
-         else \
-           true; \
-         fi; \
-         srcdiroption="--srcdir=."; \
-         libsrcdir="."; \
-       else \
-         srcdiroption="--srcdir=$${topdir}/[+module+]"; \
-         libsrcdir="$$s/[+module+]"; \
-       fi; \
+       srcdiroption="--srcdir=$${topdir}/[+module+]"; \
+       libsrcdir="$$s/[+module+]"; \
        rm -f no-such-file || : ; \
        CONFIG_SITE=no-such-file $(SHELL) $${libsrcdir}/configure \
          $(BUILD_CONFIGARGS) $${srcdiroption} \
-         --with-build-subdir="$(BUILD_SUBDIR)" \
+         --with-build-subdir="$(BUILD_SUBDIR)" [+extra_configure_flags+] \
          || exit 1
+@endif build-[+module+]
 
 .PHONY: all-build-[+module+] maybe-all-build-[+module+]
 maybe-all-build-[+module+]:
+@if build-[+module+]
+TARGET-build-[+module+]=[+ IF target +][+target+][+ ELSE +]all[+ ENDIF target +]
+maybe-all-build-[+module+]: all-build-[+module+]
 all-build-[+module+]: configure-build-[+module+]
-       @r=`${PWD}`; export r; \
-       s=`cd $(srcdir); ${PWD}`; export s; \
-       (cd $(BUILD_SUBDIR)/[+module+] && $(MAKE) all)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(BUILD_EXPORTS) \
+       (cd $(BUILD_SUBDIR)/[+module+] && \
+         $(MAKE) [+extra_make_flags+] $(TARGET-build-[+module+]))
+@endif build-[+module+]
 [+ ENDFOR build_modules +]
 
 # --------------------------------------
@@ -925,96 +868,117 @@ all-build-[+module+]: configure-build-[+module+]
 [+ FOR host_modules +]
 .PHONY: configure-[+module+] maybe-configure-[+module+]
 maybe-configure-[+module+]:
+@if [+module+]
+maybe-configure-[+module+]: 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="$(CXXFLAGS)"; export CXXFLAGS; \
-       if [ z$(build_canonical) !=  z$(host_canoncial) ] ; then \
-         AR="$(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; \
-       fi; \
+       @[+ IF bootstrap +]test -f stage_last && exit 0; \
+       [+ ENDIF bootstrap +]test ! -f $(HOST_SUBDIR)/[+module+]/Makefile || exit 0; \
+       $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)/[+module+] ; \
+       r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
        echo Configuring in [+module+]; \
-       cd [+module+] || exit 1; \
+       cd $(HOST_SUBDIR)/[+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+]";; \
+         /* | [A-Za-z]:[\\/]*) topdir=$(srcdir) ;; \
+         *) topdir=`echo $(HOST_SUBDIR)/[+module+]/ | \
+               sed -e 's,\./,,g' -e 's,[^/]*/,../,g' `$(srcdir) ;; \
        esac; \
+       srcdiroption="--srcdir=$${topdir}/[+module+]"; \
+       libsrcdir="$$s/[+module+]"; \
        $(SHELL) $${libsrcdir}/configure \
-         $(HOST_CONFIGARGS) $${srcdiroption} \
+         $(HOST_CONFIGARGS) $${srcdiroption} [+extra_configure_flags+] \
          || exit 1
+@endif [+module+]
 
 .PHONY: all-[+module+] maybe-all-[+module+]
 maybe-all-[+module+]:
+@if [+module+]
+TARGET-[+module+]=[+ IF target +][+target+][+ ELSE +]all[+ ENDIF target +]
+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 
-           +] $(X11_FLAGS_TO_PASS)[+ 
-         ENDIF with_x +] all)
+       @[+ IF bootstrap +]test -f stage_last && exit 0; \
+       [+ ENDIF bootstrap +]r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
+       (cd $(HOST_SUBDIR)/[+module+] && \
+         $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+] $(TARGET-[+module+]))
+@endif [+module+]
 
 .PHONY: check-[+module+] maybe-check-[+module+]
 maybe-check-[+module+]:
+@if [+module+]
+maybe-check-[+module+]: check-[+module+]
 [+ IF no_check +]
 check-[+module+]:
 [+ ELIF no_check_cross +]
 # 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 
-             +] $(X11_FLAGS_TO_PASS)[+ 
-           ENDIF with_x +] check); \
+       @if [ '$(host)' = '$(target)' ] ; then \
+         r=`${PWD_COMMAND}`; export r; \
+         s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+         $(HOST_EXPORTS) \
+         (cd $(HOST_SUBDIR)/[+module+] && \
+           $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+] check); \
        fi
 [+ ELSE check +]
 check-[+module+]:
-       @r=`${PWD}`; export r; \
-       s=`cd $(srcdir); ${PWD}`; export s; \
-       $(SET_LIB_PATH) \
-       (cd [+module+] && $(MAKE) $(FLAGS_TO_PASS)[+ 
-         IF with_x 
-           +] $(X11_FLAGS_TO_PASS)[+ 
-         ENDIF with_x +] check)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
+       (cd $(HOST_SUBDIR)/[+module+] && \
+         $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+] check)
 [+ ENDIF no_check +]
+@endif [+module+]
 
 .PHONY: install-[+module+] maybe-install-[+module+]
 maybe-install-[+module+]:
+@if [+module+]
+maybe-install-[+module+]: install-[+module+]
 [+ IF no_install +]
 install-[+module+]:
 [+ ELSE install +]
 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 
-           +] $(X11_FLAGS_TO_PASS)[+ 
-         ENDIF with_x +] install)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
+       (cd $(HOST_SUBDIR)/[+module+] && \
+         $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+] install)
 [+ ENDIF no_install +]
+@endif [+module+]
+
+# Other targets (info, dvi, etc.)
+[+ FOR recursive_targets +]
+.PHONY: maybe-[+make_target+]-[+module+] [+make_target+]-[+module+]
+maybe-[+make_target+]-[+module+]:
+@if [+module+]
+maybe-[+make_target+]-[+module+]: [+make_target+]-[+module+]
+[+ IF (match-value? = "missing" (get "make_target") ) +]
+# [+module+] doesn't support [+make_target+].
+[+make_target+]-[+module+]:
+[+ ELSE +]
+[+make_target+]-[+module+]: [+
+  FOR depend +]\
+    [+depend+]-[+module+] [+
+  ENDFOR depend +]
+       @[ -f ./[+module+]/Makefile ] || exit 0; \
+       r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
+       for flag in $(EXTRA_HOST_FLAGS) [+extra_make_flags+]; do \
+         eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+       done; \
+       echo "Doing [+make_target+] in [+module+]" ; \
+       (cd $(HOST_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 +]
+@endif [+module+]
+[+ ENDFOR recursive_targets +]
 [+ ENDFOR host_modules +]
 
 # ---------------------------------------
@@ -1023,215 +987,166 @@ install-[+module+]: installdirs
 [+ FOR target_modules +]
 .PHONY: configure-target-[+module+] maybe-configure-target-[+module+]
 maybe-configure-target-[+module+]:
+@if target-[+module+]
+maybe-configure-target-[+module+]: configure-target-[+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+]; \
+       $(SHELL) $(srcdir)/mkinstalldirs $(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; \
-       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; \[+ 
+       $(SHELL) $(srcdir)/mkinstalldirs $(TARGET_SUBDIR)/[+module+] ; \
+       r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
 IF raw_cxx +]
-       CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
-       CXX="$(RAW_CXX_FOR_TARGET)"; export CXX; \[+ 
+       $(RAW_CXX_TARGET_EXPORTS) \[+
 ELSE normal_cxx +]
-       CXX="$(CXX_FOR_TARGET)"; export CXX; \[+ 
+       $(NORMAL_TARGET_EXPORTS) \[+
 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="../../$(srcdir)" ;; \
-           esac ;; \
+         /* | [A-Za-z]:[\\/]*) topdir=$(srcdir) ;; \
+         *) topdir=`echo $(TARGET_SUBDIR)/[+module+]/ | \
+               sed -e 's,\./,,g' -e 's,[^/]*/,../,g' `$(srcdir) ;; \
        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; \
-         else \
-           true; \
-         fi; \
-         srcdiroption="--srcdir=."; \
-         libsrcdir="."; \
-       else \
-         srcdiroption="--srcdir=$${topdir}/[+module+]"; \
-         libsrcdir="$$s/[+module+]"; \
-       fi; \
+       srcdiroption="--srcdir=$${topdir}/[+module+]"; \
+       libsrcdir="$$s/[+module+]"; \
        rm -f no-such-file || : ; \
        CONFIG_SITE=no-such-file $(SHELL) $${libsrcdir}/configure \
          $(TARGET_CONFIGARGS) $${srcdiroption} \
-         --with-target-subdir="$(TARGET_SUBDIR)" \
+         --with-target-subdir="$(TARGET_SUBDIR)" [+extra_configure_flags+] \
          || exit 1
+@endif target-[+module+]
 
 .PHONY: all-target-[+module+] maybe-all-target-[+module+]
 maybe-all-target-[+module+]:
+@if target-[+module+]
+TARGET-target-[+module+]=[+ IF target +][+target+][+ ELSE +]all[+ ENDIF target +]
+maybe-all-target-[+module+]: all-target-[+module+]
 all-target-[+module+]: configure-target-[+module+]
-       @r=`${PWD}`; export r; \
-       s=`cd $(srcdir); ${PWD}`; export s; \
-       $(SET_LIB_PATH) \
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
+IF raw_cxx +]
+       $(RAW_CXX_TARGET_EXPORTS) \[+
+ELSE normal_cxx +]
+       $(NORMAL_TARGET_EXPORTS) \[+
+ENDIF raw_cxx +]
        (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)
+         +] [+extra_make_flags+] $(TARGET-target-[+module+]))
+@endif target-[+module+]
 
 .PHONY: check-target-[+module+] maybe-check-target-[+module+]
 maybe-check-target-[+module+]:
+@if target-[+module+]
+maybe-check-target-[+module+]: check-target-[+module+]
 [+ IF no_check +]
 # Dummy target for uncheckable module.
 check-target-[+module+]:
 [+ ELSE check +]
 check-target-[+module+]:
-       @r=`${PWD}`; export r; \
-       s=`cd $(srcdir); ${PWD}`; export s; \
-       $(SET_LIB_PATH) \
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
+IF raw_cxx +]
+       $(RAW_CXX_TARGET_EXPORTS) \[+
+ELSE normal_cxx +]
+       $(NORMAL_TARGET_EXPORTS) \[+
+ENDIF raw_cxx +]
        (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)
+         +] [+extra_make_flags+] check)
 [+ ENDIF no_check +]
+@endif target-[+module+]
 
 .PHONY: install-target-[+module+] maybe-install-target-[+module+]
 maybe-install-target-[+module+]:
+@if target-[+module+]
+maybe-install-target-[+module+]: install-target-[+module+]
 [+ IF no_install +]
 # Dummy target for uninstallable.
 install-target-[+module+]:
 [+ ELSE install +]
 install-target-[+module+]: installdirs
-       @r=`${PWD}`; export r; \
-       s=`cd $(srcdir); ${PWD}`; export s; \
-       $(SET_LIB_PATH) \
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
+IF raw_cxx +]
+       $(RAW_CXX_TARGET_EXPORTS) \[+
+ELSE normal_cxx +]
+       $(NORMAL_TARGET_EXPORTS) \[+
+ENDIF raw_cxx +]
        (cd $(TARGET_SUBDIR)/[+module+] && \
-         $(MAKE) $(TARGET_FLAGS_TO_PASS) install)
+         $(MAKE) $(TARGET_FLAGS_TO_PASS) [+extra_make_flags+] install)
 [+ ENDIF no_install +]
+@endif target-[+module+]
+
+# Other targets (info, dvi, etc.)
+[+ FOR recursive_targets +]
+.PHONY: maybe-[+make_target+]-target-[+module+] [+make_target+]-target-[+module+]
+maybe-[+make_target+]-target-[+module+]:
+@if target-[+module+]
+maybe-[+make_target+]-target-[+module+]: [+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_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
+IF raw_cxx +]
+       $(RAW_CXX_TARGET_EXPORTS) \[+
+ELSE normal_cxx +]
+       $(NORMAL_TARGET_EXPORTS) \[+
+ENDIF raw_cxx +]
+       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}" \
+                 [+extra_make_flags+] [+make_target+]) \
+         || exit 1
+[+ ENDIF +]
+@endif target-[+module+]
+[+ ENDFOR recursive_targets +]
 [+ ENDFOR target_modules +]
 
 # ----------
 # GCC module
 # ----------
 
-# Unfortunately, while gcc _should_ be a host module,
-# libgcc is a target module, and gen* programs are
-# 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; \
-       if [ z$(build_canonical) !=  z$(host_canoncial) ] ; then \
-         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; \
-       fi; \
-       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
+@if gcc-no-bootstrap
+# GCC has some more recursive targets, which trigger the old
+# (but still current, until the toplevel bootstrap project
+# is finished) compiler bootstrapping rules.
 
-# 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: configure-gcc
-       @if [ -f gcc/stage_last ] ; then \
-         r=`${PWD}`; export r; \
-         s=`cd $(srcdir); ${PWD}`; export s; \
-         $(SET_LIB_PATH) \
-         (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) quickstrap); \
-       else \
-         r=`${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
-# like texinfo, bison/byacc, etc.  So we must depend on those.
-#
-# While building GCC, it may be necessary to run various target
-# programs like the assembler, linker, etc.  So we depend on
-# those too.
-#
-# In theory, on an SMP all those dependencies can be resolved
-# in parallel.
-#
 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; \
-       $(SET_LIB_PATH) \
+$(GCC_STRAP_TARGETS): all-prebootstrap configure-gcc
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
        echo "Bootstrapping the compiler"; \
+       $(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,:[ :]*,:,g;s,^[ :]*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
        cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) $@
-       @r=`${PWD}`; export r; \
-       s=`cd $(srcdir); ${PWD}`; export s; \
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        case "$@" in \
          *bootstrap4-lean ) \
            msg="Comparing stage3 and stage4 of the compiler"; \
@@ -1246,67 +1161,58 @@ $(GCC_STRAP_TARGETS): all-bootstrap configure-gcc
            msg="Comparing stage2 and stage3 of the compiler"; \
            compare=compare ;; \
        esac; \
-       $(SET_LIB_PATH) \
+       $(HOST_EXPORTS) \
        echo "$$msg"; \
        cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) $$compare
-       @r=`${PWD}`; export r; \
-       s=`cd $(srcdir); ${PWD}` ; export s; \
-       $(SET_LIB_PATH) \
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
        echo "Building runtime libraries"; \
-       $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) all
+
+profiledbootstrap: all-prebootstrap configure-gcc
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
+       $(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,:[ :]*,:,g;s,^[ :]*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
+       echo "Bootstrapping training compiler"; \
+       cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) stageprofile_build
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
+       echo "Building feedback based compiler"; \
+       cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) stagefeedback_build
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
+       echo "Building runtime libraries"; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) all
 
 .PHONY: cross
-cross: all-texinfo all-bison all-byacc all-binutils all-gas all-ld
-       @r=`${PWD}`; export r; \
-       s=`cd $(srcdir); ${PWD}`; export s; \
-       $(SET_LIB_PATH) \
+cross: all-build all-gas all-ld
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
        echo "Building the C and C++ compiler"; \
        cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) LANGUAGES="c c++"
-       @r=`${PWD}`; export r; \
-       s=`cd $(srcdir); ${PWD}` ; export s; \
-       $(SET_LIB_PATH) \
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
        echo "Building runtime libraries"; \
-       $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) \
-         LANGUAGES="c c++" all
-
-.PHONY: check-gcc maybe-check-gcc
-maybe-check-gcc:
-check-gcc:
-       @if [ -f ./gcc/Makefile ] ; then \
-         r=`${PWD}`; export r; \
-         s=`cd $(srcdir); ${PWD}`; export s; \
-         $(SET_LIB_PATH) \
-         (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) check); \
-       else \
-         true; \
-       fi
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) LANGUAGES="c c++" all
+@endif gcc-no-bootstrap
 
+@if gcc
 .PHONY: check-gcc-c++
 check-gcc-c++:
        @if [ -f ./gcc/Makefile ] ; then \
-         r=`${PWD}`; export r; \
-         s=`cd $(srcdir); ${PWD}`; export s; \
-         $(SET_LIB_PATH) \
+         r=`${PWD_COMMAND}`; export r; \
+         s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+         $(HOST_EXPORTS) \
          (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) check-c++); \
        else \
          true; \
        fi
 
 .PHONY: check-c++
-check-c++:
-       $(MAKE) check-target-libstdc++-v3 check-gcc-c++ NOTPARALLEL=parallel-ok
-
-.PHONY: install-gcc maybe-install-gcc
-maybe-install-gcc:
-install-gcc:
-       @if [ -f ./gcc/Makefile ] ; then \
-         r=`${PWD}`; export r; \
-         s=`cd $(srcdir); ${PWD}`; export s; \
-         $(SET_LIB_PATH) \
-         (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) install); \
-       else \
-         true; \
-       fi
+check-c++: check-target-libstdc++-v3 check-gcc-c++
 
 # Install the gcc headers files, but not the fixed include files,
 # which Cygnus is not allowed to distribute.  This rule is very
@@ -1320,135 +1226,403 @@ gcc-no-fixedincludes:
          cp $(srcdir)/gcc/gsyslimits.h gcc/include/syslimits.h; \
          touch gcc/stmp-fixinc gcc/include/fixed; \
          rm -f gcc/stmp-headers gcc/stmp-int-hdrs; \
-         r=`${PWD}`; export r; \
-         s=`cd $(srcdir); ${PWD}` ; export s; \
-         $(SET_LIB_PATH) \
+         r=`${PWD_COMMAND}`; export r; \
+         s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
+         $(HOST_EXPORTS) \
          (cd ./gcc && \
           $(MAKE) $(GCC_FLAGS_TO_PASS) install); \
          rm -rf gcc/include; \
          mv gcc/tmp-include gcc/include 2>/dev/null; \
        else true; fi
+@endif gcc
+
+# ---------------------
+# GCC bootstrap support
+# ---------------------
+
+# We track the current stage (the one in 'gcc') in the stage_current file.
+# stage_last instead tracks the stage that was built last.  These targets
+# are dummy when toplevel bootstrap is not active.
+
+.PHONY: unstage
+unstage:
+@if gcc-bootstrap
+       @[ -f stage_current ] || $(MAKE) `cat stage_last`-start
+@endif gcc-bootstrap
+
+.PHONY: stage
+stage:
+@if gcc-bootstrap
+       @$(MAKE) `cat stage_current`-end
+@endif gcc-bootstrap
+
+# 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 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
+# reliable.
+
+# At the end of the bootstrap, a symlink to 'stage3-gcc' named 'gcc' must
+# be kept, so that libraries can find it.  Ick!
+
+# It would be best to preinstall gcc into a staging area (and in the
+# future, gather there all prebootstrap packages).  This would allow
+# assemblers and linkers can be bootstrapped as well as the compiler
+# (both in a combined tree, or separately).  This however requires some
+# change to the gcc driver, again in order to avoid comparison failures.
+
+# Bugs: This is crippled when doing parallel make, the `make all-host'
+# and `make all-target' phases can be parallelized.
+
+
+# 'touch' doesn't work right on some platforms.
+STAMP = echo timestamp > 
+
+# Only build the C compiler for stage1, because that is the only one that
+# we can guarantee will build with the native compiler, and also it is the
+# only thing useful for building stage2. STAGE1_CFLAGS (via CFLAGS),
+# MAKEINFO and MAKEINFOFLAGS are explicitly passed here to make them
+# overrideable (for a bootstrap build stage1 also builds gcc.info).
+
+STAGE1_CFLAGS=@stage1_cflags@
+STAGE1_LANGUAGES=@stage1_languages@
+
+# We only want to compare .o files, so set this!
+objext = .o
+
+# Flags to pass to stage2 and later makes.
+POSTSTAGE1_FLAGS_TO_PASS = \
+       CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
+       STAGE_PREFIX=$$r/stage[+prev+]-gcc/ \
+       CFLAGS="$(BOOT_CFLAGS)" \
+       ADAC="\$$(CC)"
+
+# For stage 1:
+# * We force-disable intermodule optimizations, even if
+#   --enable-intermodule was passed, since the installed compiler probably
+#   can't handle them.  Luckily, autoconf always respects
+#   the last argument when conflicting --enable arguments are passed.
+# * Likewise, we force-disable coverage flags, since the installed compiler
+#   probably has never heard of them.
+# * We build only C (and possibly Ada).
+
+[+ FOR bootstrap-stage +]
+.PHONY: stage[+id+]-start stage[+id+]-end
+
+stage[+id+]-start::
+       @[ -f stage_current ] && $(MAKE) `cat stage_current`-end || : ; \
+       echo stage[+id+] > stage_current ; \
+       echo stage[+id+] > stage_last; \
+       $(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 +]
+
+stage[+id+]-end::
+       @rm -f stage_current[+ 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 +]
+
+# 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 [+
+         IF prev +]|| test -f stage[+prev+]-lean [+ ENDIF prev +] ; then \
+         echo Skipping rebuild of stage[+id+] ; \
+       else \
+         $(MAKE) $(RECURSE_FLAGS_TO_PASS) NOTPARALLEL= all-stage[+id+]; \
+       fi
+
+.PHONY: all-stage[+id+] clean-stage[+id+]
+all-stage[+id+]: [+ FOR host_modules +][+ IF bootstrap +]\
+  maybe-all-stage[+id+]-[+module+][+
+ENDIF bootstrap+] [+ ENDFOR host_modules +]
+
+do-clean: clean-stage[+id+]
+clean-stage[+id+]: [+ FOR host_modules +][+ IF bootstrap +]\
+  maybe-clean-stage[+id+]-[+module+][+
+ENDIF bootstrap+] [+ ENDFOR host_modules +]
+
+[+ FOR host_modules +][+ IF bootstrap +]
+.PHONY: configure-stage[+id+]-[+module+] maybe-configure-stage[+id+]-[+module+]
+.PHONY: all-stage[+id+]-[+module+] maybe-all-stage[+id+]-[+module+]
+.PHONY: clean-stage[+id+]-[+module+] maybe-clean-stage[+id+]-[+module+]
+
+maybe-configure-stage[+id+]-[+module+]:
+maybe-all-stage[+id+]-[+module+]:
+maybe-clean-stage[+id+]-[+module+]:
+
+@if [+module+]-bootstrap
+maybe-configure-stage[+id+]-[+module+]: configure-stage[+id+]-[+module+]
+configure-stage[+id+]-[+module+]:
+       @$(MAKE) stage[+id+]-start
+       @[ -f [+module+]/Makefile ] && exit 0 || : ; \
+       r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; [+ IF prev +] \
+       $(STAGE_HOST_EXPORTS) [+ ELSE prev +] \
+       $(HOST_EXPORTS) [+ ENDIF prev +] \
+       echo Configuring stage [+id+] in [+module+] ; \
+       cd $(HOST_SUBDIR)/[+module+] || exit 1; \
+       case $(srcdir) in \
+         /* | [A-Za-z]:[\\/]*) topdir=$(srcdir) ;; \
+         *) topdir=`echo $(HOST_SUBDIR)/[+module+]/ | \
+               sed -e 's,\./,,g' -e 's,[^/]*/,../,g' `$(srcdir) ;; \
+       esac; \
+       srcdiroption="--srcdir=$${topdir}/[+module+]"; \
+       libsrcdir="$$s/[+module+]"; \
+       $(SHELL) $${libsrcdir}/configure \
+         $(HOST_CONFIGARGS) $${srcdiroption} \
+         [+stage_configure_flags+] [+extra_configure_flags+]
+
+maybe-all-stage[+id+]-[+module+]: all-stage[+id+]-[+module+]
+all-stage[+id+]-[+module+]: configure-stage[+id+]-[+module+]
+       @$(MAKE) stage[+id+]-start
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; [+ IF prev +] \
+       $(STAGE_HOST_EXPORTS) [+ ELSE prev +] \
+       $(HOST_EXPORTS) [+ ENDIF prev +] \
+       cd $(HOST_SUBDIR)/[+module+] && \
+       $(MAKE) $(FLAGS_TO_PASS) [+ IF prev +] \
+               $(POSTSTAGE1_FLAGS_TO_PASS) [+ ENDIF prev +] \
+               [+stage_make_flags+] [+extra_make_flags+]
+
+maybe-clean-stage[+id+]-[+module+]: clean-stage[+id+]-[+module+]
+clean-stage[+id+]-[+module+]:
+       @[ -f [+module+]/Makefile ] || [ -f stage[+id+]-[+module+]/Makefile ] \
+         || exit 0 ; \
+       [ -f [+module+]/Makefile ] || $(MAKE) stage[+id+]-start ; \
+       cd $(HOST_SUBDIR)/[+module+] && \
+       $(MAKE) $(FLAGS_TO_PASS) [+ IF prev +] \
+               $(POSTSTAGE1_FLAGS_TO_PASS) [+ ENDIF prev +] \
+               [+stage_make_flags+] [+extra_make_flags+] clean
+@endif [+module+]-bootstrap
+
+[+ ENDIF bootstrap +][+ ENDFOR host_modules +]
+
+# FIXME: Will not need to be conditional when toplevel bootstrap is the
+# only possibility, but now it conflicts with no-bootstrap rules
+@if gcc-bootstrap
+[+ IF compare-target +]
+[+compare-target+]:
+       @if test -f stage[+prev+]-lean; then \
+         echo Cannot compare object files as stage [+prev+] was deleted. ; \
+         exit 0 ; \
+       fi; \
+       [ -f stage_current ] && $(MAKE) `cat stage_current`-end || : ; \
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       rm -f .bad_compare ; \
+       cd stage[+id+]-gcc; \
+       files=`find . -name "*$(objext)" -print` ; \
+       cd .. ; \
+       for file in $${files} ; do \
+         f1=$$r/stage[+prev+]-gcc/$$file; f2=$$r/stage[+id+]-gcc/$$file; \
+         @do_compare@ > /dev/null 2>&1; \
+         test $$? -eq 1 && echo $$file differs >> .bad_compare || true; \
+       done ; \
+       if [ -f .bad_compare ]; then \
+         echo "Bootstrap comparison failure!"; \
+         cat .bad_compare; \
+         exit 1; \
+       else \
+         true; \
+       fi ; \
+       $(STAMP) [+compare-target+][+ IF prev +]
+       @bootstrap_lean@-rm -rf stage[+prev+]-* ; $(STAMP) stage[+prev+]-lean[+ ENDIF prev +]
+[+ ENDIF compare-target +]
+
+[+ IF bootstrap-target +]
+.PHONY: [+bootstrap-target+]
+[+bootstrap-target+]: stage[+id+]-bubble [+compare-target+] all
+[+ 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 ] && $(MAKE) `cat stage_current`-end || :
+       rm -rf stage[+id+]-* [+
+         IF compare-target +][+compare-target+] [+ ENDIF compare-target +]
+
+[+ IF cleanstrap-target +]
+.PHONY: [+cleanstrap-target+]
+[+cleanstrap-target+]: distclean [+bootstrap-target+]
+[+ ENDIF cleanstrap-target +]
+@endif gcc-bootstrap
+
+[+ ENDFOR bootstrap-stage +]
+
+stagefeedback-start::
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       cd stageprofile-gcc && \
+         { find . -type d | sort | sed 's,.*,$(SHELL) '"$$s"'/mkinstalldirs "../gcc/&",' | $(SHELL); } && \
+         { find . -name '*.*da' | sed 's,.*,$(LN) -f "&" "../gcc/&",' | $(SHELL); }
+
+# FIXME: Will not need to be conditional when toplevel bootstrap is the
+# only possibility, but now it conflicts with no-bootstrap rules
+@if gcc-bootstrap
+profiledbootstrap:
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
+       echo "Bootstrapping the compiler"; \
+       $(MAKE) stageprofile-bubble distclean-stagefeedback
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
+       echo "Building runtime libraries and training compiler"; \
+       $(MAKE) $(BASE_FLAGS_TO_PASS) $(RECURSE_FLAGS) all
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
+       echo "Building feedback based compiler"; \
+       $(MAKE) stagefeedback-bubble stagefeedback-end
+@endif gcc-bootstrap
+
+@if gcc-bootstrap
+NOTPARALLEL = .NOTPARALLEL
+$(NOTPARALLEL):
+do-distclean: distclean-stage1
+@endif gcc-bootstrap
 
 # --------------------------------------
 # Dependencies between different modules
 # --------------------------------------
 
+# Generic dependencies for target modules on host stuff, especially gcc
+[+ FOR target_modules +]
+configure-target-[+module+]: maybe-all-gcc
+[+ ENDFOR target_modules +]
+
+[+ FOR lang_env_dependencies +]
+configure-target-[+module+]: maybe-all-target-newlib maybe-all-target-libgloss
+[+ IF cxx +]configure-target-[+module+]: maybe-all-target-libstdc++-v3
+[+ ENDIF cxx +][+ ENDFOR lang_env_dependencies +]
+
 # There are two types of dependencies here: 'hard' dependencies, where one
 # module simply won't build without the other; and 'soft' dependencies, where
 # if the depended-on module is missing, the depending module will do without
 # or find a substitute somewhere (perhaps installed).  Soft dependencies
-# are specified by depending on a 'maybe-' target.  If you're not sure,
+# are made here to depend on a 'maybe-' target.  If you're not sure,
 # 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.
-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
+[+ ;; These Scheme functions build the bulk of the dependencies.
+   ;; dep-target builds a string like "maybe-all-MODULE_KIND-gcc",
+   ;; where "maybe-" is only included if HARD is true, and all-gcc
+   ;; is taken from VAR-NAME.
+   (define dep-target (lambda (module-kind var-name hard)
+      (string-append
+         (if hard "" "maybe-")
+         (dep-subtarget var-name)
+         module-kind
+         (dep-module var-name)
+      )))
+
+   ;; make-dep builds a dependency from the MODULE and ON AutoGen vars.
+   (define make-dep (lambda (module-kind on-kind)
+      (string-append
+         (dep-target module-kind "module" #t) ": "
+         (dep-target on-kind "on" (exist? "hard")))))
+
+   ;; dep-subtarget extracts everything up to the first dash in the given
+   ;; AutoGen variable, for example it extracts "all-" out of "all-gcc".
+   (define dep-subtarget (lambda (var-name)
+      (substring (get var-name) 0 (+ 1 (string-index (get var-name) #\-)))))
+
+   ;; dep-module extracts everything up to the first dash in the given
+   ;; AutoGen variable, for example it extracts "gcc" out of "all-gcc".
+   (define dep-module (lambda (var-name)
+      (substring (get var-name) (+ 1 (string-index (get var-name) #\-)))))
+
+   ;; dep-stage builds a string for the prefix of a bootstrap stage.
+   (define dep-stage (lambda ()
+      (string-append
+        "stage"
+        (get "id")
+        "-")))
+
+   ;; dep-maybe is the same as the AutoGen expression "- hard 'maybe-'"
+   ;; but is written in Scheme.
+   (define dep-maybe (lambda ()
+      (if (exist? "hard") "" "maybe-")))
+
+   ;; dep-kind returns "normal" if the dependency is on an "install" target,
+   ;; or if either module is not bootstrapped.  It returns "bootstrap" for
+   ;; configure or build dependencies between bootstrapped modules; it returns
+   ;; "prebootstrap" for configure or build dependencies of bootstrapped
+   ;; modules on a build module (e.g. all-gcc on all-build-bison).  All this
+   ;; is only necessary for host modules.
+   (define dep-kind (lambda ()
+      (if (and (hash-ref boot-modules (dep-module "module"))
+              (=* (dep-module "on") "build-"))
+         "prebootstrap"
+
+         (if (or (= (dep-subtarget "on") "install-")
+                 (=* (dep-module "on") "target-")
+                 (not (hash-ref boot-modules (dep-module "module")))
+                 (not (hash-ref boot-modules (dep-module "on"))))
+              "normal"
+             "bootstrap"))))
+
+   ;; We now build the hash table that is used by dep-kind.
+   (define boot-modules (make-hash-table 113))
++]
+
+[+ FOR host_modules +][+
+   (if (exist? "bootstrap")
+       (hash-create-handle! boot-modules (get "module") #t))
+   "" +][+ ENDFOR host_modules +]
+
+# With all the machinery above in place, it is pretty easy to generate
+# dependencies.  Host dependencies are a bit more complex because we have
+# to check for bootstrap/prebootstrap dependencies.  To resolve
+# prebootstrap dependencies, prebootstrap modules are gathered in
+# a hash table.
+[+ FOR dependencies +][+ (make-dep "" "") +]
+[+ CASE (dep-kind) +]
+[+ == "prebootstrap"
+     +][+ FOR bootstrap_stage +]
+[+ (make-dep (dep-stage) "") +][+
+       ENDFOR bootstrap_stage +]
+all-prebootstrap: [+ (dep-target "" "on" (exist? "hard")) +]
+[+ == "bootstrap"
+     +][+ FOR bootstrap_stage +]
+[+ (make-dep (dep-stage) (dep-stage)) +][+
+       ENDFOR bootstrap_stage +]
+[+ ESAC +][+
+ENDFOR dependencies +]
+
+# Non-toplevel bootstrap rules must depend on several packages, to be built
+# before gcc.  Another wart that will go away, hopefully soon.
+@if gcc-no-bootstrap
+[+ FOR host_modules +][+
+   IF (and (not (= (get "module") "gcc"))
+          (hash-ref boot-modules (get "module"))) +]
+all-prebootstrap: maybe-all-[+module+][+
+   ENDIF +][+
+ENDFOR host_modules +]
+@endif gcc-no-bootstrap
+
 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
-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-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 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
-
-# Other host modules.  Warning, these are not well tested.
-all-autoconf: maybe-all-m4 maybe-all-texinfo
-all-automake: maybe-all-m4 maybe-all-texinfo
-all-bison: maybe-all-texinfo
-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-gzip: maybe-all-libiberty
-all-hello: maybe-all-libiberty
-all-m4: maybe-all-libiberty maybe-all-texinfo
-all-make: maybe-all-libiberty
-all-patch: maybe-all-libiberty
-all-prms: maybe-all-libiberty
-all-recode: maybe-all-libiberty
-all-sed: maybe-all-libiberty
-all-send-pr: maybe-all-prms
-all-tar: maybe-all-libiberty
-all-uudecode: maybe-all-libiberty
-
-ALL_GCC = maybe-all-gcc
-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.
-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
-configure-target-libf2c: $(ALL_GCC_C)
-all-target-libf2c: maybe-all-target-libiberty
-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
-configure-target-libobjc: $(ALL_GCC_C)
-all-target-libobjc: maybe-all-target-libiberty
-configure-target-libstdc++-v3: $(ALL_GCC_C)
-all-target-libstdc++-v3: maybe-all-target-libiberty
-configure-target-zlib: $(ALL_GCC_C)
-
-# Target modules in the 'src' repository.
-configure-target-examples: $(ALL_GCC_C)
-configure-target-libgloss: $(ALL_GCC)
-all-target-libgloss: maybe-configure-target-newlib
-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.
-configure-target-gperf: $(ALL_GCC_CXX)
-all-target-gperf: maybe-all-target-libiberty maybe-all-target-libstdc++-v3
-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.
-@maybe_dependencies@
+all-gdb: $(gdbnlmrequirements) $(GDB_TK)
 
 # Serialization dependencies.  Host configures don't work well in parallel to
 # each other, due to contention over config.cache.  Target configures and 
@@ -1465,7 +1639,7 @@ configure-target-qthreads: $(ALL_GCC_C)
 # We use move-if-change so that it's only considered updated when it
 # actually changes, because it has to depend on a phony target.
 multilib.out: maybe-all-gcc
-       @r=`${PWD}`; export r; \
+       @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 ; \
@@ -1479,8 +1653,8 @@ $(srcdir)/Makefile.in: @MAINT@ $(srcdir)/Makefile.tpl $(srcdir)/Makefile.def
 Makefile: $(srcdir)/Makefile.in config.status
        CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status
 
-config.status: configure $(gcc_version_trigger)
-       $(SHELL) ./config.status --recheck
+config.status: configure
+       CONFIG_SHELL="$(SHELL)" $(SHELL) ./config.status --recheck
 
 # Rebuilding configure.
 AUTOCONF = autoconf
@@ -1491,12 +1665,6 @@ $(srcdir)/configure: @MAINT@ $(srcdir)/configure.in $(srcdir)/config/acx.m4
 # 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=