OSDN Git Service

PR 43839
[pf3gnuchains/gcc-fork.git] / Makefile.tpl
index 9003f9e..98b526c 100644 (file)
@@ -6,11 +6,12 @@ in
 #
 # Makefile for directory with subdirs to build.
 #   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-#   1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation
+#   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+#   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
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 # 
 # This program is distributed in the hope that it will be useful,
@@ -19,20 +20,34 @@ in
 # GNU General Public License for more details.
 # 
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# along with this program; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
 #
 
+# First, test for a proper version of make, but only where one is required.
+
+@if gcc
+ifeq (,$(.VARIABLES)) # The variable .VARIABLES, new with 3.80, is never empty.
+$(error GNU make version 3.80 or newer is required.)
+endif
+@endif gcc
+
 # -------------------------------
 # Standard Autoconf-set variables
 # -------------------------------
 VPATH=@srcdir@
 
-build_alias=@build_alias@
+build_alias=@build_noncanonical@
+build_vendor=@build_vendor@
+build_os=@build_os@
 build=@build@
-host_alias=@host_alias@
+host_alias=@host_noncanonical@
+host_vendor=@host_vendor@
+host_os=@host_os@
 host=@host@
-target_alias=@target_alias@
+target_alias=@target_noncanonical@
+target_vendor=@target_vendor@
+target_os=@target_os@
 target=@target@
 
 program_transform_name = @program_transform_name@
@@ -53,6 +68,10 @@ libdir = @libdir@
 includedir = @includedir@
 oldincludedir = @oldincludedir@
 infodir = @infodir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+pdfdir = @pdfdir@
+htmldir = @htmldir@
 mandir = @mandir@
 man1dir = $(mandir)/man1
 man2dir = $(mandir)/man2
@@ -70,6 +89,9 @@ INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_DATA = @INSTALL_DATA@
 LN = @LN@
 LN_S = @LN_S@
+MAINT = @MAINT@
+MAINTAINER_MODE_FALSE = @MAINTAINER_MODE_FALSE@
+MAINTAINER_MODE_TRUE = @MAINTAINER_MODE_TRUE@
 
 # -------------------------------------------------
 # Miscellaneous non-standard autoconf-set variables
@@ -87,14 +109,30 @@ GDB_NLM_DEPS =
 # the libraries.
 RPATH_ENVVAR = @RPATH_ENVVAR@
 
-# This is the list of directories to be built for the build system.
-BUILD_CONFIGDIRS = libiberty
+# On targets where RPATH_ENVVAR is PATH, a subdirectory of the GCC build path
+# is used instead of the directory itself to avoid including built
+# executables in PATH.
+GCC_SHLIB_SUBDIR = @GCC_SHLIB_SUBDIR@
+
 # 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@ --with-build-subdir="$(BUILD_SUBDIR)"
 
+# Linker flags to use on the host, for stage1 or when not
+# bootstrapping.
+STAGE1_LDFLAGS = @stage1_ldflags@
+
+# Libraries to use on the host, for stage1 or when not bootstrapping.
+STAGE1_LIBS = @stage1_libs@
+
+# Linker flags to use for stage2 and later.
+POSTSTAGE1_LDFLAGS = @poststage1_ldflags@
+
+# Libraries to use for stage2 and later.
+POSTSTAGE1_LIBS = @poststage1_libs@
+
 # 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
@@ -105,6 +143,8 @@ BASE_EXPORTS = \
        BISON="$(BISON)"; export BISON; \
        YACC="$(YACC)"; export YACC; \
        M4="$(M4)"; export M4; \
+       SED="$(SED)"; export SED; \
+       AWK="$(AWK)"; export AWK; \
        MAKEINFO="$(MAKEINFO)"; export MAKEINFO;
 
 # This is the list of variables to export in the environment when
@@ -125,10 +165,18 @@ BUILD_EXPORTS = \
        LDFLAGS="$(LDFLAGS_FOR_BUILD)"; export LDFLAGS; \
        NM="$(NM_FOR_BUILD)"; export NM; \
        RANLIB="$(RANLIB_FOR_BUILD)"; export RANLIB; \
-       WINDRES="$(WINDRES_FOR_BUILD)"; export WINDRES;
+       WINDRES="$(WINDRES_FOR_BUILD)"; export WINDRES; \
+       WINDMC="$(WINDMC_FOR_BUILD)"; export WINDMC;
+
+# These variables must be set on the make command line for directories
+# built for the build system to override those in BASE_FLAGS_TO_PASSS.
+EXTRA_BUILD_FLAGS = \
+       CFLAGS="$(CFLAGS_FOR_BUILD)" \
+       LDFLAGS="$(LDFLAGS_FOR_BUILD)"
 
 # This is the list of directories to built for the host system.
 SUBDIRS = @configdirs@
+TARGET_CONFIGDIRS = @target_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@
@@ -136,83 +184,138 @@ HOST_CONFIGARGS = @host_configargs@
 # with srcdir=..
 HOST_SUBDIR = @host_subdir@
 # This is the list of variables to export in the environment when
-# configuring subdirectories for the host system.
+# configuring subdirectories for the host system.  We need to pass
+# some to the GCC configure because of its hybrid host/target nature.
 HOST_EXPORTS = \
        $(BASE_EXPORTS) \
        CC="$(CC)"; export CC; \
+       ADA_CFLAGS="$(ADA_CFLAGS)"; export ADA_CFLAGS; \
        CFLAGS="$(CFLAGS)"; export CFLAGS; \
        CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
        CXX="$(CXX)"; export CXX; \
        CXXFLAGS="$(CXXFLAGS)"; export CXXFLAGS; \
+       GCJ="$(GCJ)"; export GCJ; \
+       GFORTRAN="$(GFORTRAN)"; export GFORTRAN; \
        AR="$(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="$(LDFLAGS)"; export LDFLAGS; \
+       LDFLAGS="$(STAGE1_LDFLAGS) $(LDFLAGS)"; export LDFLAGS; \
        NM="$(NM)"; export NM; \
        RANLIB="$(RANLIB)"; export RANLIB; \
        WINDRES="$(WINDRES)"; export WINDRES; \
+       WINDMC="$(WINDMC)"; export WINDMC; \
        OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
        OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \
+       AR_FOR_TARGET="$(AR_FOR_TARGET)"; export AR_FOR_TARGET; \
+       AS_FOR_TARGET="$(AS_FOR_TARGET)"; export AS_FOR_TARGET; \
+       GCC_FOR_TARGET="$(GCC_FOR_TARGET)"; export GCC_FOR_TARGET; \
+       LD_FOR_TARGET="$(LD_FOR_TARGET)"; export LD_FOR_TARGET; \
+       NM_FOR_TARGET="$(NM_FOR_TARGET)"; export NM_FOR_TARGET; \
+       OBJDUMP_FOR_TARGET="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP_FOR_TARGET; \
+       RANLIB_FOR_TARGET="$(RANLIB_FOR_TARGET)"; export RANLIB_FOR_TARGET; \
        TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
+       HOST_LIBS="$(STAGE1_LIBS)"; export HOST_LIBS; \
        GMPLIBS="$(HOST_GMPLIBS)"; export GMPLIBS; \
        GMPINC="$(HOST_GMPINC)"; export GMPINC; \
+       PPLLIBS="$(HOST_PPLLIBS)"; export PPLLIBS; \
+       PPLINC="$(HOST_PPLINC)"; export PPLINC; \
+       CLOOGLIBS="$(HOST_CLOOGLIBS)"; export CLOOGLIBS; \
+       CLOOGINC="$(HOST_CLOOGINC)"; export CLOOGINC; \
+       LIBELFLIBS="$(HOST_LIBELFLIBS)" ; export LIBELFLIBS; \
+       LIBELFINC="$(HOST_LIBELFINC)" ; export LIBELFINC; \
+@if gcc-bootstrap
+       $(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
+@endif gcc-bootstrap
        $(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
 
+POSTSTAGE1_CXX_EXPORT = \
+       CXX='$(CXX)'; export CXX; \
+       CXX_FOR_BUILD='$(CXX_FOR_BUILD)'; export CXX_FOR_BUILD;
+@if target-libstdc++-v3-bootstrap
+# Override the above if we're bootstrapping C++.
+POSTSTAGE1_CXX_EXPORT = \
+       CXX="$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/prev-gcc/g++$(exeext) \
+         -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/ -nostdinc++ \
+         -I$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include/$(TARGET_SUBDIR) \
+         -I$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include \
+         -I$$s/libstdc++-v3/libsupc++ \
+         -L$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs"; export CXX; \
+       CXX_FOR_BUILD="$$CXX"; export CXX_FOR_BUILD;
+@endif target-libstdc++-v3-bootstrap
+
 # Similar, for later GCC stages.
 POSTSTAGE1_HOST_EXPORTS = \
-       $(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(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$$r/$(HOST_SUBDIR)/prev-gcc/ \
-         -B$(build_tooldir)/bin/"; export CC_FOR_BUILD;
-
-# This is set by the configure script to the list of directories which
-# should be built using the target tools.
-TARGET_CONFIGDIRS = @target_configdirs@
+         -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/ \
+         $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CC; \
+       CC_FOR_BUILD="$$CC"; export CC_FOR_BUILD; \
+       $(POSTSTAGE1_CXX_EXPORT) \
+       GNATBIND="$$r/$(HOST_SUBDIR)/prev-gcc/gnatbind"; export GNATBIND; \
+       LDFLAGS="$(POSTSTAGE1_LDFLAGS) $(BOOT_LDFLAGS)"; export LDFLAGS; \
+       HOST_LIBS="$(POSTSTAGE1_LIBS)"; export HOST_LIBS;
+
 # Target libraries are put under this directory:
 TARGET_SUBDIR = @target_subdir@
 # This is set by the configure script to the arguments to use when configuring
 # directories built for the target.
 TARGET_CONFIGARGS = @target_configargs@ --with-target-subdir="$(TARGET_SUBDIR)"
 # This is the list of variables to export in the environment when
-# configuring subdirectories for the host system.
+# configuring subdirectories for the target system.
 BASE_TARGET_EXPORTS = \
        $(BASE_EXPORTS) \
        AR="$(AR_FOR_TARGET)"; export AR; \
-       AS="$(AS_FOR_TARGET)"; export AS; \
-       CC="$(CC_FOR_TARGET)"; export CC; \
+       AS="$(COMPILER_AS_FOR_TARGET)"; export AS; \
+       CC="$(CC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; 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; \
+       GCJ="$(GCJ_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export GCJ; \
+       GFORTRAN="$(GFORTRAN_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export GFORTRAN; \
        DLLTOOL="$(DLLTOOL_FOR_TARGET)"; export DLLTOOL; \
-       LD="$(LD_FOR_TARGET)"; export LD; \
+       LD="$(COMPILER_LD_FOR_TARGET)"; export LD; \
        LDFLAGS="$(LDFLAGS_FOR_TARGET)"; export LDFLAGS; \
-       NM="$(NM_FOR_TARGET)"; export NM; \
+       LIPO="$(LIPO_FOR_TARGET)"; export LIPO; \
+       NM="$(COMPILER_NM_FOR_TARGET)"; export NM; \
+       OBJDUMP="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP; \
        RANLIB="$(RANLIB_FOR_TARGET)"; export RANLIB; \
+       STRIP="$(STRIP_FOR_TARGET)"; export STRIP; \
        WINDRES="$(WINDRES_FOR_TARGET)"; export WINDRES; \
-       $(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
+       WINDMC="$(WINDMC_FOR_TARGET)"; export WINDMC; \
+@if gcc-bootstrap
+       $(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
+@endif gcc-bootstrap
+       $(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
+       TARGET_CONFIGDIRS="$(TARGET_CONFIGDIRS)"; export TARGET_CONFIGDIRS;
 
 RAW_CXX_TARGET_EXPORTS = \
        $(BASE_TARGET_EXPORTS) \
        CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
-       CXX="$(RAW_CXX_FOR_TARGET)"; export CXX;
+       CXX="$(RAW_CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;
 
 NORMAL_TARGET_EXPORTS = \
        $(BASE_TARGET_EXPORTS) \
-       CXX="$(CXX_FOR_TARGET)"; export CXX;
+       CXX="$(CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;
 
 # Where to find GMP
 HOST_GMPLIBS = @gmplibs@
 HOST_GMPINC = @gmpinc@
 
+# Where to find PPL
+HOST_PPLLIBS = @ppllibs@
+HOST_PPLINC = @pplinc@
+
+# Where to find CLOOG
+HOST_CLOOGLIBS = @clooglibs@
+HOST_CLOOGINC = @clooginc@
+
+# Where to find libelf
+HOST_LIBELFLIBS = @libelflibs@
+HOST_LIBELFINC = @libelfinc@
+
 # ----------------------------------------------
 # Programs producing files for the BUILD machine
 # ----------------------------------------------
@@ -229,10 +332,21 @@ PWD_COMMAND = $${PWDCMD-pwd}
 
 # compilers to use to create programs which must be run in the build
 # environment.
+AR_FOR_BUILD = @AR_FOR_BUILD@
+AS_FOR_BUILD = @AS_FOR_BUILD@
 CC_FOR_BUILD = @CC_FOR_BUILD@
 CFLAGS_FOR_BUILD = @CFLAGS_FOR_BUILD@
-
-CXX_FOR_BUILD = $(CXX)
+CXXFLAGS_FOR_BUILD = @CXXFLAGS_FOR_BUILD@
+CXX_FOR_BUILD = @CXX_FOR_BUILD@
+DLLTOOL_FOR_BUILD = @DLLTOOL_FOR_BUILD@
+GCJ_FOR_BUILD = @GCJ_FOR_BUILD@
+GFORTRAN_FOR_BUILD = @GFORTRAN_FOR_BUILD@
+LDFLAGS_FOR_BUILD = @LDFLAGS_FOR_BUILD@
+LD_FOR_BUILD = @LD_FOR_BUILD@
+NM_FOR_BUILD = @NM_FOR_BUILD@
+RANLIB_FOR_BUILD = @RANLIB_FOR_BUILD@
+WINDMC_FOR_BUILD = @WINDMC_FOR_BUILD@
+WINDRES_FOR_BUILD = @WINDRES_FOR_BUILD@
 
 # Special variables passed down in EXTRA_GCC_FLAGS.  They are defined
 # here so that they can be overridden by Makefile fragments.
@@ -242,48 +356,19 @@ BUILD_PREFIX_1 = @BUILD_PREFIX_1@
 # Flags to pass to stage2 and later makes.  They are defined
 # here so that they can be overridden by Makefile fragments.
 BOOT_CFLAGS= -g -O2
-
-CONFIGURED_BISON = @CONFIGURED_BISON@
-BISON = `if [ -f $$r/$(BUILD_SUBDIR)/bison/tests/bison ] ; then \
-           echo $$r/$(BUILD_SUBDIR)/bison/tests/bison ; \
-        else \
-           echo ${CONFIGURED_BISON} ; \
-        fi`
-
-CONFIGURED_YACC = @CONFIGURED_YACC@
-YACC = `if [ -f $$r/$(BUILD_SUBDIR)/bison/tests/bison ] ; then \
-           echo $$r/$(BUILD_SUBDIR)/bison/tests/bison -y ; \
-       elif [ -f $$r/$(BUILD_SUBDIR)/byacc/byacc ] ; then \
-           echo $$r/$(BUILD_SUBDIR)/byacc/byacc ; \
-       else \
-           echo ${CONFIGURED_YACC} ; \
-       fi`
-
-CONFIGURED_FLEX = @CONFIGURED_FLEX@
-FLEX = `if [ -f $$r/$(BUILD_SUBDIR)/flex/flex ] ; \
-       then echo $$r/$(BUILD_SUBDIR)/flex/flex ; \
-       else echo ${CONFIGURED_FLEX} ; fi`
-
-CONFIGURED_LEX = @CONFIGURED_LEX@
-LEX = `if [ -f $$r/$(BUILD_SUBDIR)/flex/flex ] ; \
-       then echo $$r/$(BUILD_SUBDIR)/flex/flex ; \
-       else echo ${CONFIGURED_LEX} ; fi`
-
-CONFIGURED_M4 = @CONFIGURED_M4@
-M4 = `if [ -f $$r/$(BUILD_SUBDIR)/m4/m4 ] ; \
-       then echo $$r/$(BUILD_SUBDIR)/m4/m4 ; \
-       else echo ${CONFIGURED_M4} ; fi`
-
-# For an installed makeinfo, we require it to be from texinfo 4.2 or
-# higher, else we use the "missing" dummy.  We also pass the subdirectory
-# makeinfo even if only the Makefile is there, because Texinfo builds its
-# manual when made, and it requires its own version.
-CONFIGURED_MAKEINFO = @CONFIGURED_MAKEINFO@
-MAKEINFO = `if [ -f $$r/$(BUILD_SUBDIR)/texinfo/makeinfo/Makefile ] ; \
-       then echo $$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo ; \
-       else if (${CONFIGURED_MAKEINFO} --version \
-         | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[2-9]|[5-9])') >/dev/null 2>&1; \
-        then echo ${CONFIGURED_MAKEINFO}; else echo $$s/missing makeinfo; fi; fi`
+BOOT_LDFLAGS=
+BOOT_ADAFLAGS=-gnatpg -gnata
+
+AWK = @AWK@
+SED = @SED@
+BISON = @BISON@
+YACC = @YACC@
+FLEX = @FLEX@
+LEX = @LEX@
+M4 = @M4@
+MAKEINFO = @MAKEINFO@
+EXPECT = @EXPECT@
+RUNTEST = @RUNTEST@
 
 # This just becomes part of the MAKEINFO definition passed down to
 # sub-makes.  It lets flags be given on the command line while still
@@ -291,181 +376,125 @@ MAKEINFO = `if [ -f $$r/$(BUILD_SUBDIR)/texinfo/makeinfo/Makefile ] ; \
 # (Default to avoid splitting info files by setting the threshold high.)
 MAKEINFOFLAGS = --split-size=5000000
 
-# FIXME: expect may become a build tool?
-EXPECT = `if [ -f $$r/$(HOST_SUBDIR)/expect/expect ] ; \
-       then echo $$r/$(HOST_SUBDIR)/expect/expect ; \
-       else echo expect ; fi`
-
-RUNTEST = `if [ -f $$s/dejagnu/runtest ] ; \
-       then echo $$s/dejagnu/runtest ; \
-       else echo runtest ; fi`
-
 # ---------------------------------------------
 # Programs producing files for the HOST machine
 # ---------------------------------------------
 
 AS = @AS@
-
 AR = @AR@
 AR_FLAGS = rc
-
 CC = @CC@
+CXX = @CXX@
+DLLTOOL = @DLLTOOL@
+LD = @LD@
+LIPO = @LIPO@
+NM = @NM@
+OBJDUMP = @OBJDUMP@
+RANLIB = @RANLIB@
+STRIP = @STRIP@
+WINDRES = @WINDRES@
+WINDMC = @WINDMC@
+
+GNATBIND = @GNATBIND@
+GNATMAKE = @GNATMAKE@
+
 CFLAGS = @CFLAGS@
+LDFLAGS = @LDFLAGS@
 LIBCFLAGS = $(CFLAGS)
-
-CXX = @CXX@
 CXXFLAGS = @CXXFLAGS@
 LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
 
-DLLTOOL = @DLLTOOL@
+TFLAGS =
 
-NM = @NM@
+# Defaults for all stages; some are overridden below.
 
-LD = @LD@
-LDFLAGS = 
+STAGE_CFLAGS = $(BOOT_CFLAGS)
+STAGE_TFLAGS = $(TFLAGS)
+STAGE_CONFIGURE_FLAGS=@stage2_werror_flag@
 
-RANLIB = @RANLIB@
+[+ FOR bootstrap-stage +]
+# Defaults for stage [+id+]; some are overridden below.
+STAGE[+id+]_CFLAGS = $(STAGE_CFLAGS)
+STAGE[+id+]_CXXFLAGS = $(CXXFLAGS)
+@if target-libstdc++-v3-bootstrap
+# Override the above if we're bootstrapping C++.
+STAGE[+id+]_CXXFLAGS = $(STAGE[+id+]_CFLAGS)
+@endif target-libstdc++-v3-bootstrap
+STAGE[+id+]_TFLAGS = $(STAGE_TFLAGS)
+STAGE[+id+]_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)
+[+ ENDFOR bootstrap-stage +]
 
-WINDRES = @WINDRES@
+# 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_CHECKING = @stage1_checking@
+STAGE1_LANGUAGES = @stage1_languages@
+# * 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.
+STAGE1_CONFIGURE_FLAGS = --disable-intermodule $(STAGE1_CHECKING) \
+         --disable-coverage --enable-languages="$(STAGE1_LANGUAGES)"
 
-PICFLAG = 
+STAGEprofile_CFLAGS = $(STAGE2_CFLAGS) -fprofile-generate
+STAGEprofile_TFLAGS = $(STAGE2_TFLAGS)
+
+STAGEfeedback_CFLAGS = $(STAGE3_CFLAGS) -fprofile-use
+STAGEfeedback_TFLAGS = $(STAGE3_TFLAGS)
+
+do-compare = @do_compare@
+do-compare3 = $(do-compare)
 
 # -----------------------------------------------
 # Programs producing files for the TARGET machine
 # -----------------------------------------------
 
-FLAGS_FOR_TARGET = @FLAGS_FOR_TARGET@
-
 AR_FOR_TARGET=@AR_FOR_TARGET@
-CONFIGURED_AR_FOR_TARGET=@CONFIGURED_AR_FOR_TARGET@
-USUAL_AR_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/ar ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/ar ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(AR); \
-    else \
-      echo $(CONFIGURED_AR_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 AS_FOR_TARGET=@AS_FOR_TARGET@
-CONFIGURED_AS_FOR_TARGET=@CONFIGURED_AS_FOR_TARGET@
-USUAL_AS_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gas/as-new ] ; then \
-    echo $$r/$(HOST_SUBDIR)/gas/as-new ; \
-  elif [ -f $$r/$(HOST_SUBDIR)/gcc/xgcc ]; then \
-    $(CC_FOR_TARGET) -print-prog-name=as ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(AS); \
-    else \
-      echo $(CONFIGURED_AS_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-CC_FOR_TARGET = @CC_FOR_TARGET@
-SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
-# During gcc bootstrap, if we use some random cc for stage1 then
-# CFLAGS will be just -g.  We want to ensure that TARGET libraries
-# (which we know are built with gcc) are built with optimizations so
-# prepend -O2 when setting CFLAGS_FOR_TARGET.
-CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
+CC_FOR_TARGET=$(STAGE_CC_WRAPPER) @CC_FOR_TARGET@
+
 # If GCC_FOR_TARGET is not overriden on the command line, then this
 # variable is passed down to the gcc Makefile, where it is used to
 # build libgcc2.a.  We define it here so that it can itself be
 # overridden on the command line.
-GCC_FOR_TARGET=@GCC_FOR_TARGET@
-USUAL_GCC_FOR_TARGET = $(STAGE_CC_WRAPPER) \
-  $$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/ $(FLAGS_FOR_TARGET)
-LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
+GCC_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCC_FOR_TARGET@
+CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @CXX_FOR_TARGET@
+RAW_CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @RAW_CXX_FOR_TARGET@
+GCJ_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCJ_FOR_TARGET@
+GFORTRAN_FOR_TARGET=$(STAGE_CC_WRAPPER) @GFORTRAN_FOR_TARGET@
+DLLTOOL_FOR_TARGET=@DLLTOOL_FOR_TARGET@
+LD_FOR_TARGET=@LD_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) $(SYSROOT_CFLAGS_FOR_TARGET)
-LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
+LIPO_FOR_TARGET=@LIPO_FOR_TARGET@
+NM_FOR_TARGET=@NM_FOR_TARGET@
+OBJDUMP_FOR_TARGET=@OBJDUMP_FOR_TARGET@
+RANLIB_FOR_TARGET=@RANLIB_FOR_TARGET@
+STRIP_FOR_TARGET=@STRIP_FOR_TARGET@
+WINDRES_FOR_TARGET=@WINDRES_FOR_TARGET@
+WINDMC_FOR_TARGET=@WINDMC_FOR_TARGET@
 
-DLLTOOL_FOR_TARGET=@DLLTOOL_FOR_TARGET@
-CONFIGURED_DLLTOOL_FOR_TARGET=@CONFIGURED_DLLTOOL_FOR_TARGET@
-USUAL_DLLTOOL_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/dlltool ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/dlltool ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(DLLTOOL); \
-    else \
-      echo $(CONFIGURED_DLLTOOL_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-GCJ_FOR_TARGET = @GCJ_FOR_TARGET@
-GFORTRAN_FOR_TARGET = @GFORTRAN_FOR_TARGET@
+COMPILER_AS_FOR_TARGET=@COMPILER_AS_FOR_TARGET@
+COMPILER_LD_FOR_TARGET=@COMPILER_LD_FOR_TARGET@
+COMPILER_NM_FOR_TARGET=@COMPILER_NM_FOR_TARGET@
 
-LD_FOR_TARGET=@LD_FOR_TARGET@
-CONFIGURED_LD_FOR_TARGET=@CONFIGURED_LD_FOR_TARGET@
-USUAL_LD_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/ld/ld-new ] ; then \
-    echo $$r/$(HOST_SUBDIR)/ld/ld-new ; \
-  elif [ -f $$r/$(HOST_SUBDIR)/gcc/xgcc ]; then \
-    $(CC_FOR_TARGET) -print-prog-name=ld ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(LD); \
-    else \
-      echo $(CONFIGURED_LD_FOR_TARGET) ; \
-    fi; \
-  fi`
+CFLAGS_FOR_TARGET = @CFLAGS_FOR_TARGET@
+CXXFLAGS_FOR_TARGET = @CXXFLAGS_FOR_TARGET@
 
+LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
+LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
 LDFLAGS_FOR_TARGET = 
 
-NM_FOR_TARGET=@NM_FOR_TARGET@
-CONFIGURED_NM_FOR_TARGET=@CONFIGURED_NM_FOR_TARGET@
-USUAL_NM_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/nm-new ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/nm-new ; \
-  elif [ -f $$r/$(HOST_SUBDIR)/gcc/xgcc ]; then \
-    $(CC_FOR_TARGET) -print-prog-name=nm ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(NM); \
-    else \
-      echo $(CONFIGURED_NM_FOR_TARGET) ; \
-    fi; \
-  fi`
+FLAGS_FOR_TARGET = @FLAGS_FOR_TARGET@
+SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
+DEBUG_PREFIX_CFLAGS_FOR_TARGET = @DEBUG_PREFIX_CFLAGS_FOR_TARGET@
 
-RANLIB_FOR_TARGET=@RANLIB_FOR_TARGET@
-CONFIGURED_RANLIB_FOR_TARGET=@CONFIGURED_RANLIB_FOR_TARGET@
-USUAL_RANLIB_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/ranlib ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/ranlib ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      if [ x'$(RANLIB)' != x ]; then \
-         echo $(RANLIB); \
-      else \
-         echo ranlib; \
-      fi; \
-    else \
-      echo $(CONFIGURED_RANLIB_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-WINDRES_FOR_TARGET=@WINDRES_FOR_TARGET@
-CONFIGURED_WINDRES_FOR_TARGET=@CONFIGURED_WINDRES_FOR_TARGET@
-USUAL_WINDRES_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/windres ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/windres ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(WINDRES); \
-    else \
-      echo $(CONFIGURED_WINDRES_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-PICFLAG_FOR_TARGET = 
+XGCC_FLAGS_FOR_TARGET = $(FLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
 
 # ------------------------------------
 # Miscellaneous targets and flag lists
@@ -473,7 +502,7 @@ 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.
-@default_target@:
+all:
 
 #### host and target specific makefile fragments come in here.
 @target_makefile_frag@
@@ -502,7 +531,7 @@ HOST_LIB_PATH = [+ FOR 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:
+HOST_LIB_PATH_gcc = $$r/$(HOST_SUBDIR)/gcc$(GCC_SHLIB_SUBDIR):$$r/$(HOST_SUBDIR)/prev-gcc$(GCC_SHLIB_SUBDIR):
 @endif gcc
 
 [+ FOR host_modules +][+ IF lib_path +]
@@ -514,21 +543,18 @@ HOST_LIB_PATH_[+module+] = \
 [+ ENDIF lib_path +][+ ENDFOR host_modules +]
 
 # Flags to pass down to all sub-makes.
-BASE_FLAGS_TO_PASS = [+ FOR flags_to_pass +]\
-       "[+flag+]=$([+flag+])" [+ ENDFOR flags_to_pass +]\
+BASE_FLAGS_TO_PASS =[+ FOR flags_to_pass +][+ IF optional +] \
+       "`echo '[+flag+]=$([+flag+])' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"[+ ELSE optional +] \
+       "[+flag+]=$([+flag+])"[+ ENDIF optional+][+ ENDFOR flags_to_pass +][+ FOR bootstrap-stage +] \
+       "STAGE[+id+]_CFLAGS=$(STAGE[+id+]_CFLAGS)" \
+       "STAGE[+id+]_CXXFLAGS=$(STAGE[+id+]_CXXFLAGS)" \
+       "STAGE[+id+]_TFLAGS=$(STAGE[+id+]_TFLAGS)"[+ ENDFOR bootstrap-stage +] \
+       "TFLAGS=$(TFLAGS)" \
        "CONFIG_SHELL=$(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
-# top-level Makefile, we don't want the outer make to evaluate them,
-# so we pass these variables down unchanged.  They must not contain
-# single nor double quotes.
-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)
+# We leave this in just in case, but it is not needed anymore.
+RECURSE_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS)
 
 # Flags to pass down to most sub-makes, in which we're building with
 # the host environment.
@@ -538,10 +564,16 @@ EXTRA_HOST_FLAGS = \
        'CC=$(CC)' \
        'CXX=$(CXX)' \
        'DLLTOOL=$(DLLTOOL)' \
+       'GCJ=$(GCJ)' \
+       'GFORTRAN=$(GFORTRAN)' \
        'LD=$(LD)' \
+       'LIPO=$(LIPO)' \
        'NM=$(NM)' \
+       'OBJDUMP=$(OBJDUMP)' \
        'RANLIB=$(RANLIB)' \
-       'WINDRES=$(WINDRES)'
+       'STRIP=$(STRIP)' \
+       'WINDRES=$(WINDRES)' \
+       'WINDMC=$(WINDMC)'
 
 FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS)
 
@@ -557,23 +589,42 @@ X11_FLAGS_TO_PASS = \
        'X11_EXTRA_CFLAGS=$(X11_EXTRA_CFLAGS)' \
        'X11_EXTRA_LIBS=$(X11_EXTRA_LIBS)'
 
+# Flags to pass to stage2 and later makes.
+
+POSTSTAGE1_FLAGS_TO_PASS = \
+       CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
+       CXX="$${CXX}" CXX_FOR_BUILD="$${CXX_FOR_BUILD}" \
+       GNATBIND="$${GNATBIND}" \
+       LDFLAGS="$${LDFLAGS}" \
+       HOST_LIBS="$${HOST_LIBS}" \
+       "`echo 'ADAFLAGS=$(BOOT_ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"
+
 # Flags to pass down to makes which are built with the target environment.
-# The double $ decreases the length of the command line; the variables
-# are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them.
+# The double $ decreases the length of the command line; those variables
+# are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them.  The
+# *_CFLAGS_FOR_TARGET variables are not passed down and most often empty,
+# so we expand them here.
 EXTRA_TARGET_FLAGS = \
        'AR=$$(AR_FOR_TARGET)' \
-       'AS=$$(AS_FOR_TARGET)' \
-       'CC=$$(CC_FOR_TARGET)' \
+       'AS=$(COMPILER_AS_FOR_TARGET)' \
+       'CC=$$(CC_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
        'CFLAGS=$$(CFLAGS_FOR_TARGET)' \
-       'CXX=$$(CXX_FOR_TARGET)' \
+       'CXX=$$(CXX_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
        'CXXFLAGS=$$(CXXFLAGS_FOR_TARGET)' \
        'DLLTOOL=$$(DLLTOOL_FOR_TARGET)' \
-       'LD=$$(LD_FOR_TARGET)' \
+       'GCJ=$$(GCJ_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
+       'GFORTRAN=$$(GFORTRAN_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
+       'LD=$(COMPILER_LD_FOR_TARGET)' \
+       'LDFLAGS=$$(LDFLAGS_FOR_TARGET)' \
        'LIBCFLAGS=$$(LIBCFLAGS_FOR_TARGET)' \
        'LIBCXXFLAGS=$$(LIBCXXFLAGS_FOR_TARGET)' \
-       'NM=$$(NM_FOR_TARGET)' \
+       'NM=$(COMPILER_NM_FOR_TARGET)' \
+       'OBJDUMP=$$(OBJDUMP_FOR_TARGET)' \
        'RANLIB=$$(RANLIB_FOR_TARGET)' \
-       'WINDRES=$$(WINDRES_FOR_TARGET)'
+       'WINDRES=$$(WINDRES_FOR_TARGET)' \
+       'WINDMC=$$(WINDMC_FOR_TARGET)' \
+       'XGCC_FLAGS_FOR_TARGET=$(XGCC_FLAGS_FOR_TARGET)' \
+       "TFLAGS=$$TFLAGS"
 
 TARGET_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)
 
@@ -584,21 +635,22 @@ TARGET_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)
 # The BUILD_* variables are a special case, which are used for the gcc
 # cross-building scheme.
 EXTRA_GCC_FLAGS = \
-       'BUILD_PREFIX=$(BUILD_PREFIX)' \
-       'BUILD_PREFIX_1=$(BUILD_PREFIX_1)' \
        "GCC_FOR_TARGET=$(GCC_FOR_TARGET)" \
-       "`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'/[^=][^=]*=$$/XFOO=/'`"
+       "`echo 'LIBGCC2_INCLUDES=$(LIBGCC2_INCLUDES)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"
 
 GCC_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS) $(EXTRA_GCC_FLAGS)
 
+@if gcc
+BUILD_CONFIG = @BUILD_CONFIG@
+ifneq ($(BUILD_CONFIG),)
+include $(foreach CONFIG, $(BUILD_CONFIG), $(srcdir)/config/$(CONFIG).mk)
+endif
+@endif gcc
+
 .PHONY: configure-host
 configure-host: [+
   FOR host_modules +] \
@@ -612,23 +664,45 @@ configure-target: [+
 
 # The target built for a native non-bootstrap build.
 .PHONY: all
-all: unstage all-host all-target stage
+all:
+@if gcc-bootstrap
+       [ -f stage_final ] || echo stage3 > stage_final
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) `cat stage_final`-bubble
+@endif gcc-bootstrap
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+@if gcc-bootstrap
+       if [ -f stage_last ]; then \
+         TFLAGS="$(STAGE$(shell test ! -f stage_last || sed s,^stage,, stage_last)_TFLAGS)"; \
+         $(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target; \
+       else \
+@endif gcc-bootstrap
+         $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-host all-target \
+@if gcc-bootstrap
+           ; \
+       fi \
+@endif gcc-bootstrap
+       && :
 
 .PHONY: all-build
-all-build: [+
-  FOR build_modules +] \
-    maybe-all-build-[+module+][+
-  ENDFOR build_modules +]
+[+ FOR build_modules +]
+all-build: maybe-all-build-[+module+][+ ENDFOR build_modules +]
+
 .PHONY: all-host
-all-host: [+
-  FOR host_modules +] \
-    maybe-all-[+module+][+
-  ENDFOR host_modules +]
+[+ FOR host_modules +][+ IF bootstrap +]
+@if [+module+]-no-bootstrap[+ ENDIF bootstrap +]
+all-host: maybe-all-[+module+][+ IF bootstrap +]
+@endif [+module+]-no-bootstrap[+ ENDIF bootstrap +][+ ENDFOR host_modules +]
+
 .PHONY: all-target
-all-target: [+
-  FOR target_modules +] \
-    maybe-all-target-[+module+][+
-  ENDFOR target_modules +]
+[+ FOR target_modules +][+ IF bootstrap +]
+@if target-[+module+]-no-bootstrap[+ ENDIF bootstrap +]
+all-target: maybe-all-target-[+module+][+ IF bootstrap +]
+@endif target-[+module+]-no-bootstrap[+
+  ENDIF bootstrap +][+ 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
@@ -636,29 +710,33 @@ all-target: [+
 # but it may do additional work as well).
 [+ FOR recursive_targets +]
 .PHONY: do-[+make_target+]
-do-[+make_target+]: unstage [+make_target+]-host [+make_target+]-target stage
+do-[+make_target+]:
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) [+make_target+]-host \
+         [+make_target+]-target
+
 
 .PHONY: [+make_target+]-host
-[+make_target+]-host: [+
-  FOR host_modules +] \
-    maybe-[+make_target+]-[+module+][+
-  ENDFOR host_modules +]
+[+ FOR host_modules +]
+[+make_target+]-host: 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 +]
+[+ FOR target_modules +]
+[+make_target+]-target: 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 html install-info
+.PHONY: info installcheck dvi pdf html
+.PHONY: install-info install-pdf install-html
 .PHONY: clean distclean mostlyclean maintainer-clean realclean
 .PHONY: local-clean local-distclean local-maintainer-clean
 info: do-info
 installcheck: do-installcheck
 dvi: do-dvi
+pdf: do-pdf
 html: do-html
 
 # Make sure makeinfo is built before we do a `make info', if we're
@@ -671,12 +749,16 @@ install-info: do-install-info dir.info
          $(INSTALL_DATA) dir.info $(DESTDIR)$(infodir)/dir.info ; \
        else true ; fi
 
+install-pdf: do-install-pdf
+
+install-html: do-install-html
+
 local-clean:
        -rm -f *.a TEMP errs core *.o *~ \#* TAGS *.E *.log
 
 local-distclean:
        -rm -f Makefile config.status config.cache mh-frag mt-frag
-       -rm -f multilib.out multilib.tmp maybedep.tmp serdep.tmp
+       -rm -f maybedep.tmp serdep.tmp
        -if [ "$(TARGET_SUBDIR)" != "." ]; then \
          rm -rf $(TARGET_SUBDIR); \
        else true; fi
@@ -689,6 +771,7 @@ local-distclean:
        -rmdir texinfo/doc texinfo/info texinfo/intl texinfo/lib 2>/dev/null
        -rmdir texinfo/makeinfo texinfo/po texinfo/util 2>/dev/null
        -rmdir fastjar gcc libiberty texinfo zlib 2>/dev/null
+       -find . -name config.cache -exec rm -f {} \; \; 2>/dev/null
 
 local-maintainer-clean:
        @echo "This command is intended for maintainers to use;"
@@ -701,28 +784,29 @@ maintainer-clean: local-maintainer-clean do-maintainer-clean local-clean
 maintainer-clean: local-distclean
 realclean: maintainer-clean
 
-# Extra dependency for clean-target, owing to the mixed nature of gcc
-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: do-check
 
 # Only include modules actually being configured and built.
-do-check: unstage [+
+.PHONY: check-host
+check-host: [+
   FOR host_modules +] \
     maybe-check-[+module+][+
-  ENDFOR host_modules +][+
+  ENDFOR host_modules +]
+
+.PHONY: check-target
+check-target: [+
   FOR target_modules +] \
     maybe-check-target-[+module+][+
-  ENDFOR target_modules +] stage
+  ENDFOR target_modules +]
+
+do-check:
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) check-host check-target
 
 # Automated reporting of test results.
 
@@ -748,7 +832,11 @@ mail-report-with-warnings.log: warning.log
 # Installation targets.
 
 .PHONY: install uninstall
-install: unstage installdirs install-host install-target stage
+install:
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) installdirs install-host install-target
 
 .PHONY: install-host-nogcc
 install-host-nogcc: [+
@@ -775,6 +863,7 @@ uninstall:
 install.all: install-no-fixedincludes
        @if [ -f ./gcc/Makefile ] ; then \
                r=`${PWD_COMMAND}` ; export r ; \
+               s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
                $(HOST_EXPORTS) \
                (cd ./gcc && \
                $(MAKE) $(FLAGS_TO_PASS) install-headers) ; \
@@ -825,15 +914,32 @@ TAGS: do-TAGS
 [+ DEFINE configure +]
 .PHONY: configure-[+prefix+][+module+] maybe-configure-[+prefix+][+module+]
 maybe-configure-[+prefix+][+module+]:
+@if gcc-bootstrap
+configure-[+prefix+][+module+]: stage_current
+@endif gcc-bootstrap
 @if [+prefix+][+module+]
 maybe-configure-[+prefix+][+module+]: configure-[+prefix+][+module+]
-configure-[+prefix+][+module+]: [+deps+]
-       @[+ IF bootstrap +]test -f stage_last && exit 0; \
-       [+ ENDIF bootstrap +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
-       $(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+] ; \
-       r=`${PWD_COMMAND}`; export r; \
+configure-[+prefix+][+module+]: [+ IF bootstrap +][+ ELSE +]
+       @: $(MAKE); $(unstage)[+ ENDIF bootstrap +]
+       @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-       [+exports+] \
+       [+ IF check_multilibs
+       +]echo "Checking multilib configuration for [+module+]..."; \
+       $(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+] ; \
+       $(CC_FOR_TARGET) --print-multi-lib > [+subdir+]/[+module+]/multilib.tmp 2> /dev/null ; \
+       if test -r [+subdir+]/[+module+]/multilib.out; then \
+         if cmp -s [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; then \
+           rm -f [+subdir+]/[+module+]/multilib.tmp; \
+         else \
+           rm -f [+subdir+]/[+module+]/Makefile; \
+           mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
+         fi; \
+       else \
+         mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
+       fi; \
+       [+ ENDIF check_multilibs +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
+       $(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+] ; \
+       [+exports+] [+extra_exports+] \
        echo Configuring in [+subdir+]/[+module+]; \
        cd "[+subdir+]/[+module+]" || exit 1; \
        case $(srcdir) in \
@@ -845,7 +951,8 @@ configure-[+prefix+][+module+]: [+deps+]
        libsrcdir="$$s/[+module+]"; \
        [+ IF no-config-site +]rm -f no-such-file || : ; \
        CONFIG_SITE=no-such-file [+ ENDIF +]$(SHELL) $${libsrcdir}/configure \
-         [+args+] $${srcdiroption} [+extra_configure_flags+] \
+         [+args+] --build=${build_alias} --host=[+host_alias+] \
+         --target=[+target_alias+] $${srcdiroption} [+extra_configure_flags+] \
          || exit 1
 @endif [+prefix+][+module+]
 
@@ -853,16 +960,40 @@ configure-[+prefix+][+module+]: [+deps+]
 [+ FOR bootstrap_stage +]
 .PHONY: configure-stage[+id+]-[+prefix+][+module+] maybe-configure-stage[+id+]-[+prefix+][+module+]
 maybe-configure-stage[+id+]-[+prefix+][+module+]:
-@if [+module+]-bootstrap
+@if [+prefix+][+module+]-bootstrap
 maybe-configure-stage[+id+]-[+prefix+][+module+]: configure-stage[+id+]-[+prefix+][+module+]
-configure-stage[+id+]-[+prefix+][+module+]: [+deps+]
-       @$(MAKE) stage[+id+]-start
-       @[ -f [+subdir+]/[+module+]/Makefile ] && exit 0 || : ; \
-       r=`${PWD_COMMAND}`; export r; \
+configure-stage[+id+]-[+prefix+][+module+]:
+       @[ $(current_stage) = stage[+id+] ] || $(MAKE) stage[+id+]-start
+       @$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+]
+       @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
+       [+ IF check_multilibs
+       +]echo "Checking multilib configuration for [+module+]..."; \
+       $(CC_FOR_TARGET) --print-multi-lib > [+subdir+]/[+module+]/multilib.tmp 2> /dev/null ; \
+       if test -r [+subdir+]/[+module+]/multilib.out; then \
+         if cmp -s [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; then \
+           rm -f [+subdir+]/[+module+]/multilib.tmp; \
+         else \
+           rm -f [+subdir+]/[+module+]/Makefile; \
+           mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
+         fi; \
+       else \
+         mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
+       fi; \
+       [+ ENDIF check_multilibs +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
        [+exports+][+ IF prev +] \
-       [+poststage1_exports+][+ ENDIF prev +] \
+       [+poststage1_exports+][+ ENDIF prev +][+ IF prefix +] \
+       CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
+       CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \
+       LIBCFLAGS="$(LIBCFLAGS_FOR_TARGET)"; export LIBCFLAGS;[+ ELSE prefix +] \
+       CFLAGS="$(STAGE[+id+]_CFLAGS)"; export CFLAGS; \
+       CXXFLAGS="$(STAGE[+id+]_CXXFLAGS)"; export CXXFLAGS;[+ IF prev +] \
+       LIBCFLAGS="$(STAGE[+id+]_CFLAGS)"[+ ELSE prev +] \
+       LIBCFLAGS="$(LIBCFLAGS)"[+ ENDIF prev +]; export LIBCFLAGS;[+
+  ENDIF prefix +] [+extra_exports+] \
        echo Configuring stage [+id+] in [+subdir+]/[+module+] ; \
+       $(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+] ; \
        cd [+subdir+]/[+module+] || exit 1; \
        case $(srcdir) in \
          /* | [A-Za-z]:[\\/]*) topdir=$(srcdir) ;; \
@@ -872,9 +1003,12 @@ configure-stage[+id+]-[+prefix+][+module+]: [+deps+]
        srcdiroption="--srcdir=$${topdir}/[+module+]"; \
        libsrcdir="$$s/[+module+]"; \
        $(SHELL) $${libsrcdir}/configure \
-         [+args+] $${srcdiroption} \
-         [+stage_configure_flags+] [+extra_configure_flags+]
-@endif [+module+]-bootstrap
+         [+args+] --build=${build_alias} --host=[+host_alias+] \
+         --target=[+target_alias+] $${srcdiroption} [+ IF prev +]\
+         --with-build-libsubdir=$(HOST_SUBDIR) [+ ENDIF prev +]\
+         $(STAGE[+id+]_CONFIGURE_FLAGS)[+ IF extra_configure_flags +] \
+         [+extra_configure_flags+][+ ENDIF extra_configure_flags +]
+@endif [+prefix+][+module+]-bootstrap
 [+ ENDFOR bootstrap_stage +]
 [+ ENDIF bootstrap +]
 [+ ENDDEF +]
@@ -882,17 +1016,21 @@ configure-stage[+id+]-[+prefix+][+module+]: [+deps+]
 [+ DEFINE all +]
 .PHONY: all-[+prefix+][+module+] maybe-all-[+prefix+][+module+]
 maybe-all-[+prefix+][+module+]:
+@if gcc-bootstrap
+all-[+prefix+][+module+]: stage_current
+@endif gcc-bootstrap
 @if [+prefix+][+module+]
 TARGET-[+prefix+][+module+]=[+
-  IF target +][+target+][+ ELSE +]all[+ ENDIF target +]
+  IF all_target +][+all_target+][+ ELSE +]all[+ ENDIF all_target +]
 maybe-all-[+prefix+][+module+]: all-[+prefix+][+module+]
-all-[+prefix+][+module+]: configure-[+prefix+][+module+]
-       @[+ IF bootstrap +]test -f stage_last && exit 0; \
-       [+ ENDIF bootstrap +]r=`${PWD_COMMAND}`; export r; \
+all-[+prefix+][+module+]: configure-[+prefix+][+module+][+ IF bootstrap +][+ ELSE +]
+       @: $(MAKE); $(unstage)[+ ENDIF bootstrap +]
+       @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-       [+exports+] \
+       [+exports+] [+extra_exports+] \
        (cd [+subdir+]/[+module+] && \
-         $(MAKE) [+args+] [+extra_make_flags+] $(TARGET-[+prefix+][+module+]))
+         $(MAKE) $(BASE_FLAGS_TO_PASS) [+args+] [+extra_make_flags+] \
+               $(TARGET-[+prefix+][+module+]))
 @endif [+prefix+][+module+]
 
 [+ IF bootstrap +]
@@ -901,31 +1039,49 @@ all-[+prefix+][+module+]: configure-[+prefix+][+module+]
 .PHONY: clean-stage[+id+]-[+prefix+][+module+] maybe-clean-stage[+id+]-[+prefix+][+module+]
 maybe-all-stage[+id+]-[+prefix+][+module+]:
 maybe-clean-stage[+id+]-[+prefix+][+module+]:
-@if [+module+]-bootstrap
+@if [+prefix+][+module+]-bootstrap
 maybe-all-stage[+id+]-[+prefix+][+module+]: all-stage[+id+]-[+prefix+][+module+]
 all-stage[+id+]: all-stage[+id+]-[+prefix+][+module+]
+TARGET-stage[+id+]-[+prefix+][+module+] = $(TARGET-[+prefix+][+module+])
 all-stage[+id+]-[+prefix+][+module+]: configure-stage[+id+]-[+prefix+][+module+]
-       @$(MAKE) stage[+id+]-start
+       @[ $(current_stage) = stage[+id+] ] || $(MAKE) stage[+id+]-start
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
        [+exports+][+ IF prev +] \
-       [+poststage1_exports+][+ ENDIF prev +] \
+       [+poststage1_exports+][+ ENDIF prev +] [+extra_exports+] \
        cd [+subdir+]/[+module+] && \
-       $(MAKE) [+args+] [+ IF prev
-               +][+poststage1_args+][+ ENDIF prev
-               +] [+stage_make_flags+] [+extra_make_flags+]
+       $(MAKE) $(BASE_FLAGS_TO_PASS)[+ IF prefix +] \
+               CFLAGS="$(CFLAGS_FOR_TARGET)" \
+               CXXFLAGS="$(CXXFLAGS_FOR_TARGET)" \
+               LIBCFLAGS="$(LIBCFLAGS_FOR_TARGET)"[+ ELSE prefix +] \
+               CFLAGS="$(STAGE[+id+]_CFLAGS)" \
+               CXXFLAGS="$(STAGE[+id+]_CXXFLAGS)"[+ IF prev +] \
+               LIBCFLAGS="$(STAGE[+id+]_CFLAGS)"[+ ELSE prev +] \
+               LIBCFLAGS="$(LIBCFLAGS)"[+ ENDIF prev +][+ ENDIF prefix +] \
+               CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
+               CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \
+               LIBCFLAGS_FOR_TARGET="$(LIBCFLAGS_FOR_TARGET)" \
+               [+args+] [+
+               IF prev +][+poststage1_args+][+ ENDIF prev
+               +] [+extra_make_flags+] \
+               TFLAGS="$(STAGE[+id+]_TFLAGS)" \
+               $(TARGET-stage[+id+]-[+prefix+][+module+])
 
 maybe-clean-stage[+id+]-[+prefix+][+module+]: clean-stage[+id+]-[+prefix+][+module+]
 clean-stage[+id+]: clean-stage[+id+]-[+prefix+][+module+]
 clean-stage[+id+]-[+prefix+][+module+]:
-       @[ -f [+subdir+]/[+module+]/Makefile ] || [ -f [+subdir+]/stage[+id+]-[+module+]/Makefile ] \
-         || exit 0 ; \
-       [ -f [+subdir+]/[+module+]/Makefile ] || $(MAKE) stage[+id+]-start ; \
+       @if [ $(current_stage) = stage[+id+] ]; then \
+         [ -f [+subdir+]/[+module+]/Makefile ] || exit 0; \
+       else \
+         [ -f [+subdir+]/stage[+id+]-[+module+]/Makefile ] || exit 0; \
+         $(MAKE) stage[+id+]-start; \
+       fi; \
        cd [+subdir+]/[+module+] && \
        $(MAKE) [+args+] [+ IF prev +] \
                [+poststage1_args+] [+ ENDIF prev +] \
-               [+stage_make_flags+] [+extra_make_flags+] clean
-@endif [+module+]-bootstrap
+               [+extra_make_flags+] clean
+@endif [+prefix+][+module+]-bootstrap
 
 [+ ENDFOR bootstrap_stage +]
 [+ ENDIF bootstrap +]
@@ -936,9 +1092,12 @@ clean-stage[+id+]-[+prefix+][+module+]:
 # --------------------------------------
 [+ FOR build_modules +]
 [+ configure prefix="build-" subdir="$(BUILD_SUBDIR)" exports="$(BUILD_EXPORTS)"
+            host_alias=(get "host" "${build_alias}")
+            target_alias=(get "target" "${target_alias}")
             args="$(BUILD_CONFIGARGS)" no-config-site=true +]
 
-[+ all prefix="build-" subdir="$(BUILD_SUBDIR)" exports="$(BUILD_EXPORTS)" +]
+[+ all prefix="build-" subdir="$(BUILD_SUBDIR)" exports="$(BUILD_EXPORTS)"
+            args="$(EXTRA_BUILD_FLAGS)" +]
 [+ ENDFOR build_module +]
 
 # --------------------------------------
@@ -948,12 +1107,14 @@ clean-stage[+id+]-[+prefix+][+module+]:
 [+ configure prefix="" subdir="$(HOST_SUBDIR)"
             exports="$(HOST_EXPORTS)"
             poststage1_exports="$(POSTSTAGE1_HOST_EXPORTS)"
+            host_alias=(get "host" "${host_alias}")
+            target_alias=(get "target" "${target_alias}")
             args="$(HOST_CONFIGARGS)" +]
 
 [+ all prefix="" subdir="$(HOST_SUBDIR)"
        exports="$(HOST_EXPORTS)"
        poststage1_exports="$(POSTSTAGE1_HOST_EXPORTS)"
-       args="$(FLAGS_TO_PASS)"
+       args="$(EXTRA_HOST_FLAGS)"
        poststage1_args="$(POSTSTAGE1_FLAGS_TO_PASS)" +]
 
 .PHONY: check-[+module+] maybe-check-[+module+]
@@ -965,6 +1126,7 @@ check-[+module+]:
 [+ ELIF no_check_cross +]
 # This module is only tested in a native toolchain.
 check-[+module+]:
+       @: $(MAKE); $(unstage)
        @if [ '$(host)' = '$(target)' ] ; then \
          r=`${PWD_COMMAND}`; export r; \
          s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
@@ -974,6 +1136,7 @@ check-[+module+]:
        fi
 [+ ELSE check +]
 check-[+module+]:
+       @: $(MAKE); $(unstage)
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(HOST_EXPORTS) \
@@ -990,6 +1153,7 @@ maybe-install-[+module+]: install-[+module+]
 install-[+module+]:
 [+ ELSE install +]
 install-[+module+]: installdirs
+       @: $(MAKE); $(unstage)
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(HOST_EXPORTS) \
@@ -998,7 +1162,7 @@ install-[+module+]: installdirs
 [+ ENDIF no_install +]
 @endif [+module+]
 
-# Other targets (info, dvi, etc.)
+# Other targets (info, dvi, pdf, etc.)
 [+ FOR recursive_targets +]
 .PHONY: maybe-[+make_target+]-[+module+] [+make_target+]-[+module+]
 maybe-[+make_target+]-[+module+]:
@@ -1012,7 +1176,8 @@ maybe-[+make_target+]-[+module+]: [+make_target+]-[+module+]
   FOR depend +]\
     [+depend+]-[+module+] [+
   ENDFOR depend +]
-       @[ -f ./[+module+]/Makefile ] || exit 0; \
+       @[+ IF bootstrap +][+ ELSE +]: $(MAKE); $(unstage)
+       @[+ ENDIF bootstrap +][ -f ./[+module+]/Makefile ] || exit 0; \
        r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(HOST_EXPORTS) \
@@ -1024,7 +1189,7 @@ maybe-[+make_target+]-[+module+]: [+make_target+]-[+module+]
          $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
                  "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
                  "RANLIB=$${RANLIB}" \
-                 "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
+                 "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
                  [+make_target+]) \
          || exit 1
 [+ ENDIF +]
@@ -1037,32 +1202,28 @@ maybe-[+make_target+]-[+module+]: [+make_target+]-[+module+]
 # ---------------------------------------
 [+ FOR target_modules +]
 
-# There's only one multilib.out.  Cleverer subdirs shouldn't need it copied.
-@if target-[+module+]
-$(TARGET_SUBDIR)/[+module+]/multilib.out: multilib.out
-       $(SHELL) $(srcdir)/mkinstalldirs $(TARGET_SUBDIR)/[+module+] ; \
-       rm -f $(TARGET_SUBDIR)/[+module+]/Makefile || : ; \
-       cp multilib.out $(TARGET_SUBDIR)/[+module+]/multilib.out
-@endif target-[+module+]
-
 [+ IF raw_cxx +]
 [+ configure prefix="target-" subdir="$(TARGET_SUBDIR)"
-            deps=(string-append "$(TARGET_SUBDIR)/" (get "module") "/multilib.out")
+            check_multilibs=true
             exports="$(RAW_CXX_TARGET_EXPORTS)"
+            host_alias=(get "host" "${target_alias}")
+            target_alias=(get "target" "${target_alias}")
             args="$(TARGET_CONFIGARGS)" no-config-site=true +]
 
 [+ all prefix="target-" subdir="$(TARGET_SUBDIR)"
        exports="$(RAW_CXX_TARGET_EXPORTS)"
-       args="$(TARGET_FLAGS_TO_PASS) 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)'" +]
+       args="$(EXTRA_TARGET_FLAGS) 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)'" +]
 [+ ELSE +]
 [+ configure prefix="target-" subdir="$(TARGET_SUBDIR)"
-            deps=(string-append "$(TARGET_SUBDIR)/" (get "module") "/multilib.out")
+            check_multilibs=true
             exports="$(NORMAL_TARGET_EXPORTS)"
+            host_alias=(get "host" "${target_alias}")
+            target_alias=(get "target" "${target_alias}")
             args="$(TARGET_CONFIGARGS)" no-config-site=true +]
 
 [+ all prefix="target-" subdir="$(TARGET_SUBDIR)"
        exports="$(NORMAL_TARGET_EXPORTS)"
-       args="$(TARGET_FLAGS_TO_PASS)" +]
+       args="$(EXTRA_TARGET_FLAGS)" +]
 [+ ENDIF +]
 
 .PHONY: check-target-[+module+] maybe-check-target-[+module+]
@@ -1074,6 +1235,7 @@ maybe-check-target-[+module+]: check-target-[+module+]
 check-target-[+module+]:
 [+ ELSE check +]
 check-target-[+module+]:
+       @: $(MAKE); $(unstage)
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
 IF raw_cxx +]
@@ -1099,6 +1261,7 @@ maybe-install-target-[+module+]: install-target-[+module+]
 install-target-[+module+]:
 [+ ELSE install +]
 install-target-[+module+]: installdirs
+       @: $(MAKE); $(unstage)
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
 IF raw_cxx +]
@@ -1111,7 +1274,7 @@ ENDIF raw_cxx +]
 [+ ENDIF no_install +]
 @endif target-[+module+]
 
-# Other targets (info, dvi, etc.)
+# Other targets (info, dvi, pdf, etc.)
 [+ FOR recursive_targets +]
 .PHONY: maybe-[+make_target+]-target-[+module+] [+make_target+]-target-[+module+]
 maybe-[+make_target+]-target-[+module+]:
@@ -1125,6 +1288,7 @@ maybe-[+make_target+]-target-[+module+]: [+make_target+]-target-[+module+]
   FOR depend +]\
     [+depend+]-target-[+module+] [+
   ENDFOR depend +]
+       @: $(MAKE); $(unstage)
        @[ -f $(TARGET_SUBDIR)/[+module+]/Makefile ] || exit 0 ; \
        r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
@@ -1141,7 +1305,7 @@ ENDIF raw_cxx +]
          $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
                  "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
                  "RANLIB=$${RANLIB}" \
-                 "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" \
+                 "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
                  [+extra_make_flags+] [+make_target+]) \
          || exit 1
 [+ ENDIF +]
@@ -1154,60 +1318,6 @@ ENDIF raw_cxx +]
 # ----------
 
 @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.
-
-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-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_COMMAND}`; export r; \
-       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-       case "$@" 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 ;; \
-       esac; \
-       $(HOST_EXPORTS) \
-       echo "$$msg"; \
-       cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) $$compare
-       @r=`${PWD_COMMAND}`; export r; \
-       s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
-       echo "Building runtime libraries"; \
-       $(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) $(RECURSE_FLAGS_TO_PASS) all
-
 .PHONY: cross
 cross: all-build all-gas all-ld
        @r=`${PWD_COMMAND}`; export r; \
@@ -1222,19 +1332,15 @@ cross: all-build all-gas all-ld
 @endif gcc-no-bootstrap
 
 @if gcc
-.PHONY: check-gcc-c++
-check-gcc-c++:
-       @if [ -f ./gcc/Makefile ] ; then \
-         r=`${PWD_COMMAND}`; export r; \
-         s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-         $(HOST_EXPORTS) \
-         (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) check-c++); \
-       else \
-         true; \
-       fi
-
-.PHONY: check-c++
-check-c++: check-target-libstdc++-v3 check-gcc-c++
+[+ FOR languages +]
+.PHONY: check-gcc-[+language+] check-[+language+]
+check-gcc-[+language+]:
+       r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(HOST_EXPORTS) \
+       (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) [+gcc-check-target+]);
+check-[+language+]: check-gcc-[+language+][+ IF lib-check-target +] [+ lib-check-target +][+ ENDIF lib-check-target +]
+[+ ENDFOR languages +]
 
 # Install the gcc headers files, but not the fixed include files,
 # which Cygnus is not allowed to distribute.  This rule is very
@@ -1266,128 +1372,100 @@ gcc-no-fixedincludes:
 # stage_last instead tracks the stage that was built last.  These targets
 # are dummy when toplevel bootstrap is not active.
 
-.PHONY: unstage
-unstage:
+# While making host and target tools, symlinks to the final stage must be
+# there, so $(unstage) should be run at various points.  To avoid excessive
+# recursive invocations of make, we "inline" them using a variable.  These
+# must be referenced as ": $(MAKE) ; $(unstage)" rather than "$(unstage)"
+# to avoid warnings from the GNU Make job server.
+
+unstage = :
+stage = :
+current_stage = ""
+
 @if gcc-bootstrap
-       @[ -f stage_current ] || $(MAKE) `cat stage_last`-start
+unstage = if [ -f stage_last ]; then [ -f stage_current ] || $(MAKE) `cat stage_last`-start || exit 1; else :; fi
+stage = if [ -f stage_current ]; then $(MAKE) `cat stage_current`-end || exit 1; else :; fi
+current_stage = "`cat stage_current 2> /dev/null`"
 @endif gcc-bootstrap
 
-.PHONY: stage
+.PHONY: unstage stage
+unstage:
+       @: $(MAKE); $(unstage)
 stage:
-@if gcc-bootstrap
-       @$(MAKE) `cat stage_current`-end
-@endif gcc-bootstrap
+       @: $(MAKE); $(stage)
+
+# Disable commands for lean bootstrap.
+LEAN = false
 
 # We name the build directories for the various stages "stage1-gcc",
 # "stage2-gcc","stage3-gcc", etc.
 
 # Since the 'compare' process will fail (on debugging information) if any
 # directory names are different, we need to link the gcc directory for
-# the previous stage to a constant name ('gcc-prev'), and to make the name of
+# the previous stage to a constant name ('prev-gcc'), and to make the name of
 # the build directories constant as well. For the latter, we use naked names
 # like 'gcc', because the scripts in that directory assume it.  We use
 # mv on platforms where symlinks to directories do not work or are not
 # 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/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 || : ; \
+       @: $(MAKE); $(stage); \
        echo stage[+id+] > stage_current ; \
        echo stage[+id+] > stage_last; \
-       $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR) $(TARGET_SUBDIR)[+
+       $(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)[+
    FOR host_modules +][+ IF bootstrap +]
 @if [+ module +]
        @cd $(HOST_SUBDIR); [ -d stage[+id+]-[+module+] ] || \
          mkdir stage[+id+]-[+module+]; \
-       set stage[+id+]-[+module+] [+module+] ; \
-       @CREATE_LINK_TO_DIR@ [+ IF prev +] ; \
-       set stage[+prev+]-[+module+] prev-[+module+] ; \
-       @CREATE_LINK_TO_DIR@ [+ ENDIF prev +]
-@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR host_modules +][+
-   FOR target_modules +][+ IF bootstrap +]
-@if target-[+ module +]
-       @cd $(TARGET_SUBDIR); [ -d stage[+id+]-[+module+] ] || \
-         mkdir stage[+id+]-[+module+]; \
-       set stage[+id+]-[+module+] [+module+] ; \
-       @CREATE_LINK_TO_DIR@ [+ IF prev +] ; \
-       set stage[+prev+]-[+module+] prev-[+module+] ; \
-       @CREATE_LINK_TO_DIR@ [+ ENDIF prev +]
-@endif target-[+ module +][+ ENDIF bootstrap +][+ ENDFOR target_modules +]
-
-stage[+id+]-end::
-       @rm -f stage_current[+ FOR host_modules +][+ IF bootstrap +]
+       mv stage[+id+]-[+module+] [+module+] [+ IF prev +] ; \
+       mv stage[+prev+]-[+module+] prev-[+module+] || test -f stage[+prev+]-lean [+ ENDIF prev +]
+@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR host_modules +]
+       @[ -d stage[+id+]-$(TARGET_SUBDIR) ] || \
+         mkdir stage[+id+]-$(TARGET_SUBDIR); \
+       mv stage[+id+]-$(TARGET_SUBDIR) $(TARGET_SUBDIR) [+ IF prev +] ; \
+       mv stage[+prev+]-$(TARGET_SUBDIR) prev-$(TARGET_SUBDIR) || test -f stage[+prev+]-lean [+ ENDIF prev +]
+
+stage[+id+]-end:: [+ FOR host_modules +][+ IF bootstrap +]
 @if [+ module +]
-       @cd $(HOST_SUBDIR); set [+module+] stage[+id+]-[+module+] ; \
-       @UNDO_LINK_TO_DIR@ [+ IF prev +] ; \
-       set prev-[+module+] stage[+prev+]-[+module+] ; \
-       @UNDO_LINK_TO_DIR@ [+ ENDIF prev +]
-@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR host_modules +][+
-   FOR target_modules +][+ IF bootstrap +]
-@if target-[+ module +]
-       @cd $(HOST_SUBDIR); set [+module+] stage[+id+]-[+module+] ; \
-       @UNDO_LINK_TO_DIR@ [+ IF prev +] ; \
-       set prev-[+module+] stage[+prev+]-[+module+] ; \
-       @UNDO_LINK_TO_DIR@ [+ ENDIF prev +]
-@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR target_modules +]
-
-# Bubble a bugfix through all the stages up to stage [+id+].  They
-# are remade, but not reconfigured.  The next stage (if any) will not
-# be reconfigured as well.
+       @if test -d $(HOST_SUBDIR)/[+module+] ; then \
+         cd $(HOST_SUBDIR); mv [+module+] stage[+id+]-[+module+] [+ IF prev +]; \
+         mv prev-[+module+] stage[+prev+]-[+module+] ; : [+ ENDIF prev +] ; \
+       fi
+@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR host_modules +]
+       @if test -d $(TARGET_SUBDIR) ; then \
+         mv $(TARGET_SUBDIR) stage[+id+]-$(TARGET_SUBDIR) [+ IF prev +] ; \
+         mv prev-$(TARGET_SUBDIR) stage[+prev+]-$(TARGET_SUBDIR) ; : [+ ENDIF prev +] ; \
+       fi
+       rm -f stage_current
+
+# Bubble a bug fix through all the stages up to stage [+id+].  They are
+# remade, but not reconfigured.  The next stage (if any) will not be
+# reconfigured either.
 .PHONY: stage[+id+]-bubble
-stage[+id+]-bubble:: [+ IF prev +]stage[+prev+]-bubble[+ ENDIF +][+IF lean +]
-       @bootstrap_lean@-rm -rf stage[+lean+]-* ; $(STAMP) stage[+lean+]-lean[+ ENDIF lean +]
-       @if test -f stage[+id+]-lean [+
+stage[+id+]-bubble:: [+ IF prev +]stage[+prev+]-bubble[+ ENDIF +]
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       if test -f stage[+id+]-lean [+
          IF prev +]|| test -f stage[+prev+]-lean [+ ENDIF prev +] ; then \
          echo Skipping rebuild of stage[+id+] ; \
        else \
-         $(MAKE) $(RECURSE_FLAGS_TO_PASS) NOTPARALLEL= all-stage[+id+]; \
-       fi
+         $(MAKE) stage[+id+]-start; \[+IF lean +]
+         if $(LEAN); then \
+           rm -rf stage[+lean+]-* ; \
+           $(STAMP) stage[+lean+]-lean ; \
+         fi; \[+ ENDIF lean +]
+         $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stage[+id+]; \
+       fi[+ IF compare-target +]
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) [+compare-target+][+ ENDIF compare-target +]
 
 .PHONY: all-stage[+id+] clean-stage[+id+]
 do-clean: clean-stage[+id+]
@@ -1397,49 +1475,91 @@ do-clean: clean-stage[+id+]
 @if gcc-bootstrap
 [+ IF compare-target +]
 [+compare-target+]:
-       @if test -f stage[+prev+]-lean; then \
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       if test -f stage[+prev+]-lean; then \
          echo Cannot compare object files as stage [+prev+] was deleted. ; \
          exit 0 ; \
        fi; \
-       [ -f stage_current ] && $(MAKE) `cat stage_current`-end || : ; \
-       @r=`${PWD_COMMAND}`; export r; \
-       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       : $(MAKE); $(stage); \
        rm -f .bad_compare ; \
-       cd stage[+id+]-gcc; \
-       files=`find . -name "*$(objext)" -print` ; \
-       cd .. ; \
+       echo Comparing stages [+prev+] and [+id+] ; \
+        sed=`echo stage[+id+] | sed 's,^stage,,;s,.,.,g'`; \
+       files=`find stage[+id+]-* -name "*$(objext)" -print | \
+                sed -n s,^stage$$sed-,,p` ; \
        for file in $${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; \
+         f1=$$r/stage[+prev+]-$$file; f2=$$r/stage[+id+]-$$file; \
+         if test ! -f $$f1; then continue; fi; \
+         $(do-[+compare-target+]) > /dev/null 2>&1; \
+         if test $$? -eq 1; then \
+           case $$file in \
+             @compare_exclusions@) \
+               echo warning: $$file differs ;; \
+             *) \
+               echo $$file differs >> .bad_compare ;; \
+           esac ; \
+         fi ; \
        done ; \
        if [ -f .bad_compare ]; then \
          echo "Bootstrap comparison failure!"; \
          cat .bad_compare; \
          exit 1; \
        else \
-         true; \
+         echo Comparison successful.; \
        fi ; \
        $(STAMP) [+compare-target+][+ IF prev +]
-       @bootstrap_lean@-rm -rf stage[+prev+]-* ; $(STAMP) stage[+prev+]-lean[+ ENDIF prev +]
+       if $(LEAN); then \
+         rm -rf stage[+prev+]-*; \
+         $(STAMP) stage[+prev+]-lean; \
+       fi[+ ENDIF prev +]
 [+ ENDIF compare-target +]
 
 [+ IF bootstrap-target +]
-.PHONY: [+bootstrap-target+]
-[+bootstrap-target+]: stage[+id+]-bubble [+compare-target+] all
+.PHONY: [+bootstrap-target+] [+bootstrap-target+]-lean
+[+bootstrap-target+]:
+       echo stage[+id+] > stage_final
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) stage[+id+]-bubble
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
+       $(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
+
+[+bootstrap-target+]-lean:
+       echo stage[+id+] > stage_final
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) LEAN=: stage[+id+]-bubble
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
+       $(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
 [+ ENDIF bootstrap-target +]
 
 # Rules to wipe a stage and all the following ones, also used for cleanstrap
 [+ IF prev +]distclean-stage[+prev+]:: distclean-stage[+id+] [+ ENDIF prev +]
 .PHONY: distclean-stage[+id+]
 distclean-stage[+id+]::
-       [ -f stage_current ] && $(MAKE) `cat stage_current`-end || :
+       @: $(MAKE); $(stage)
+       @test "`cat stage_last`" != stage[+id+] || rm -f stage_last
        rm -rf stage[+id+]-* [+
          IF compare-target +][+compare-target+] [+ ENDIF compare-target +]
 
 [+ IF cleanstrap-target +]
 .PHONY: [+cleanstrap-target+]
-[+cleanstrap-target+]: distclean [+bootstrap-target+]
+[+cleanstrap-target+]: do-distclean local-clean
+       echo stage[+id+] > stage_final
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) stage[+id+]-bubble
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
+       $(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
 [+ ENDIF cleanstrap-target +]
 @endif gcc-bootstrap
 
@@ -1459,9 +1579,26 @@ stagefeedback-start::
        done
 
 @if gcc-bootstrap
-NOTPARALLEL = .NOTPARALLEL
-$(NOTPARALLEL):
 do-distclean: distclean-stage1
+
+# Provide a GCC build when we're building target libraries.  This does
+# not work as a dependency, just as the minimum necessary to avoid errors.
+stage_last:
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) stage1-bubble
+
+# Same as unstage, but not phony and defaulting to stage1-start.  We place
+# it in the dependency so that for example `make -j3 all-gcc' works.
+stage_current:
+       @if test -f stage_last; then $(unstage); else $(MAKE) stage1-start; fi
+
+.PHONY: restrap
+restrap::
+       @: $(MAKE); $(stage)
+       rm -rf stage1-$(TARGET_SUBDIR)[+ FOR bootstrap-stage +][+ IF prev
+         +] stage[+id+]-*[+ ENDIF prev +][+ ENDFOR bootstrap-stage +]
+restrap:: all
 @endif gcc-bootstrap
 
 # --------------------------------------
@@ -1469,17 +1606,19 @@ do-distclean: distclean-stage1
 # --------------------------------------
 
 # Generic dependencies for target modules on host stuff, especially gcc
-[+ FOR target_modules +][+ IF bootstrap +]
-@if gcc-bootstrap[+ FOR bootstrap_stage +]
-configure-stage[+id+]-target-[+module+]: maybe-all-stage[+id+]-gcc[+ ENDFOR +]
-@endif gcc-bootstrap[+ ENDIF bootstrap +]
-configure-target-[+module+]: maybe-all-gcc
-[+ ENDFOR target_modules +]
+@if gcc-bootstrap[+ FOR target_modules +][+ IF bootstrap
+  +][+ FOR bootstrap_stage +]
+configure-stage[+id+]-target-[+module+]: maybe-all-stage[+id+]-gcc[+
+  ENDFOR +][+ ELSE bootstrap +]
+configure-target-[+module+]: stage_last[+
+  ENDIF bootstrap +][+ ENDFOR target_modules +]
+@endif gcc-bootstrap
+
+@if gcc-no-bootstrap[+ FOR target_modules +]
+configure-target-[+module+]: maybe-all-gcc[+
+  ENDFOR target_modules +]
+@endif gcc-no-bootstrap
 
-[+ 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
@@ -1490,7 +1629,7 @@ configure-target-[+module+]: maybe-all-target-newlib maybe-all-target-libgloss
 
 [+ ;; 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
+   ;; where "maybe-" is only included if HARD is not true, and all-gcc
    ;; is taken from VAR-NAME.
    (define dep-target (lambda (module-kind var-name hard)
       (string-append
@@ -1569,7 +1708,6 @@ configure-target-[+module+]: maybe-all-target-newlib maybe-all-target-libgloss
      +][+ 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)) +][+
@@ -1577,19 +1715,54 @@ all-prebootstrap: [+ (dep-target "" "on" (exist? "hard")) +]
 [+ 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 +]
+# Dependencies for target modules on other target modules are
+# described by lang_env_dependencies; the defaults apply to anything
+# not mentioned there.
+[+
+   ;; Predicate for whether LANG was specified in lang_env_dependencies.
+   (define lang-dep (lambda (lang)
+      (hash-ref lang-env-deps (string-append (get "module") "-" lang))))
+
+   ;; Build the hash table we will need.
+   (define lang-env-deps (make-hash-table 7))
++][+ FOR lang_env_dependencies +][+
+   (if (exist? "cxx")
+       (hash-create-handle! lang-env-deps
+         (string-append (get "module") "-" "cxx") #t))
+
+   (if (exist? "no_c")
+       (hash-create-handle! lang-env-deps
+         (string-append (get "module") "-" "no_c") #t))
+
+   (if (exist? "no_gcc")
+       (hash-create-handle! lang-env-deps
+         (string-append (get "module") "-" "no_gcc") #t))
+   "" +][+ ENDFOR lang_env_dependencies +]
+
+@if gcc-bootstrap[+ FOR target_modules +][+ IF (not (lang-dep "no_gcc"))
+  +][+ IF bootstrap +][+ FOR bootstrap_stage +]
+configure-stage[+id+]-target-[+module+]: maybe-all-stage[+id+]-target-libgcc[+
+  ENDFOR +][+ ENDIF bootstrap +][+ ENDIF +][+ ENDFOR target_modules +]
+@endif gcc-bootstrap
+
+@if gcc-no-bootstrap[+ FOR target_modules +][+ IF (not (lang-dep "no_gcc")) +]
+configure-target-[+module+]: maybe-all-target-libgcc[+
+  ENDIF +][+ ENDFOR target_modules +]
 @endif gcc-no-bootstrap
 
+[+ FOR target_modules +][+ IF (not (lang-dep "no_c")) +]
+configure-target-[+module+]: maybe-all-target-newlib maybe-all-target-libgloss[+
+  ENDIF +][+ IF (lang-dep "cxx") +]
+configure-target-[+module+]: maybe-all-target-libstdc++-v3[+
+  ENDIF +]
+[+ ENDFOR target_modules +]
+
+CONFIGURE_GDB_TK = @CONFIGURE_GDB_TK@
 GDB_TK = @GDB_TK@
+INSTALL_GDB_TK = @INSTALL_GDB_TK@
+configure-gdb: $(CONFIGURE_GDB_TK)
 all-gdb: $(gdbnlmrequirements) $(GDB_TK)
+install-gdb: $(INSTALL_GDB_TK)
 
 # Serialization dependencies.  Host configures don't work well in parallel to
 # each other, due to contention over config.cache.  Target configures and 
@@ -1600,17 +1773,6 @@ all-gdb: $(gdbnlmrequirements) $(GDB_TK)
 # Regenerating top level configury
 # --------------------------------
 
-# Multilib.out tells target dirs what multilibs they should build.
-# There is really only one copy.  We use the 'timestamp' method to
-# work around various timestamp bugs on some systems.
-# We use move-if-change so that it's only considered updated when it
-# actually changes, because it has to depend on a phony target.
-multilib.out: maybe-all-gcc
-       @r=`${PWD_COMMAND}`; export r; \
-       echo "Checking multilib configuration..."; \
-       $(CC_FOR_TARGET) --print-multi-lib > multilib.tmp 2> /dev/null ; \
-       $(SHELL) $(srcdir)/move-if-change multilib.tmp multilib.out ; \
-
 # Rebuilding Makefile.in, using autogen.
 AUTOGEN = autogen
 $(srcdir)/Makefile.in: @MAINT@ $(srcdir)/Makefile.tpl $(srcdir)/Makefile.def
@@ -1625,7 +1787,8 @@ config.status: configure
 
 # Rebuilding configure.
 AUTOCONF = autoconf
-$(srcdir)/configure: @MAINT@ $(srcdir)/configure.in $(srcdir)/config/acx.m4
+$(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(srcdir)/config/acx.m4 \
+       $(srcdir)/config/override.m4 $(srcdir)/config/proginstall.m4
        cd $(srcdir) && $(AUTOCONF)
 
 # ------------------------------