OSDN Git Service

PR ada/60703
[pf3gnuchains/gcc-fork.git] / Makefile.tpl
index 5ce38ab..371c3b6 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, 2005, 2006 Free Software Foundation
+#   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+#   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@
@@ -55,6 +70,7 @@ oldincludedir = @oldincludedir@
 infodir = @infodir@
 datarootdir = @datarootdir@
 docdir = @docdir@
+pdfdir = @pdfdir@
 htmldir = @htmldir@
 mandir = @mandir@
 man1dir = $(mandir)/man1
@@ -73,6 +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
@@ -84,18 +103,34 @@ TOPLEVEL_CONFIGURE_ARGUMENTS=@TOPLEVEL_CONFIGURE_ARGUMENTS@
 tooldir = @tooldir@
 build_tooldir = @build_tooldir@
 
-GDB_NLM_DEPS = 
-
 # This is the name of the environment variable used for the path to
 # the libraries.
 RPATH_ENVVAR = @RPATH_ENVVAR@
 
+# 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
@@ -106,6 +141,8 @@ 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
@@ -121,15 +158,25 @@ BUILD_EXPORTS = \
        CXXFLAGS="$(CXXFLAGS_FOR_BUILD)"; export CXXFLAGS; \
        GCJ="$(GCJ_FOR_BUILD)"; export GCJ; \
        GFORTRAN="$(GFORTRAN_FOR_BUILD)"; export GFORTRAN; \
+       GOC="$(GOC_FOR_BUILD)"; export GOC; \
+       GOCFLAGS="$(GOCFLAGS_FOR_BUILD)"; export GOCFLAGS; \
        DLLTOOL="$(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="$(WINDRES_FOR_BUILD)"; export WINDRES;
+       WINDRES="$(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@
@@ -142,21 +189,27 @@ HOST_SUBDIR = @host_subdir@
 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="$(GFORTRAN)"; export GFORTRAN; \
+       GOC="$(GOC)"; export GOC; \
        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="$(OBJDUMP)"; export OBJDUMP; \
+       READELF="$(READELF)"; export READELF; \
        AR_FOR_TARGET="$(AR_FOR_TARGET)"; export AR_FOR_TARGET; \
        AS_FOR_TARGET="$(AS_FOR_TARGET)"; export AS_FOR_TARGET; \
        GCC_FOR_TARGET="$(GCC_FOR_TARGET)"; export GCC_FOR_TARGET; \
@@ -164,25 +217,52 @@ HOST_EXPORTS = \
        NM_FOR_TARGET="$(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; \
+       READELF_FOR_TARGET="$(READELF_FOR_TARGET)"; export READELF_FOR_TARGET; \
        TOPLEVEL_CONFIGURE_ARGUMENTS="$(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++ \
+         -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
+         -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs \
+         -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 \
+         -L$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs"; \
+         export CXX; \
+       CXX_FOR_BUILD="$$CXX"; export CXX_FOR_BUILD;
+@endif target-libstdc++-v3-bootstrap
+
 # Similar, for later GCC stages.
 POSTSTAGE1_HOST_EXPORTS = \
        $(HOST_EXPORTS) \
        CC="$(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; \
-       CFLAGS="$(BOOT_CFLAGS)"; export CFLAGS; \
-       LDFLAGS="$(BOOT_LDFLAGS)"; export LDFLAGS;
+         -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@
@@ -190,18 +270,19 @@ TARGET_SUBDIR = @target_subdir@
 # 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="$(COMPILER_AS_FOR_TARGET)"; export AS; \
-       CC="$(CC_FOR_TARGET)"; export CC; \
+       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) $$TFLAGS"; export GFORTRAN; \
+       GOC="$(GOC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export GOC; \
        DLLTOOL="$(DLLTOOL_FOR_TARGET)"; export DLLTOOL; \
        LD="$(COMPILER_LD_FOR_TARGET)"; export LD; \
        LDFLAGS="$(LDFLAGS_FOR_TARGET)"; export LDFLAGS; \
@@ -209,28 +290,48 @@ BASE_TARGET_EXPORTS = \
        NM="$(COMPILER_NM_FOR_TARGET)"; export NM; \
        OBJDUMP="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP; \
        RANLIB="$(RANLIB_FOR_TARGET)"; export RANLIB; \
+       READELF="$(READELF_FOR_TARGET)"; export READELF; \
        STRIP="$(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@
+
+EXTRA_CONFIGARGS_LIBJAVA = @EXTRA_CONFIGARGS_LIBJAVA@
+
 # ----------------------------------------------
 # Programs producing files for the BUILD machine
 # ----------------------------------------------
 
-SHELL = @config_shell@
+SHELL = @SHELL@
 
 # pwd command to use.  Allow user to override default by setting PWDCMD in
 # the environment to account for automounters.  The make variable must not
@@ -242,10 +343,22 @@ 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@
+GOC_FOR_BUILD = @GOC_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.
@@ -256,7 +369,10 @@ BUILD_PREFIX_1 = @BUILD_PREFIX_1@
 # here so that they can be overridden by Makefile fragments.
 BOOT_CFLAGS= -g -O2
 BOOT_LDFLAGS=
+BOOT_ADAFLAGS=-gnatpg -gnata
 
+AWK = @AWK@
+SED = @SED@
 BISON = @BISON@
 YACC = @YACC@
 FLEX = @FLEX@
@@ -287,35 +403,93 @@ LIPO = @LIPO@
 NM = @NM@
 OBJDUMP = @OBJDUMP@
 RANLIB = @RANLIB@
+READELF = @READELF@
 STRIP = @STRIP@
 WINDRES = @WINDRES@
+WINDMC = @WINDMC@
+
+GNATBIND = @GNATBIND@
+GNATMAKE = @GNATMAKE@
 
 CFLAGS = @CFLAGS@
-LDFLAGS = 
+LDFLAGS = @LDFLAGS@
 LIBCFLAGS = $(CFLAGS)
 CXXFLAGS = @CXXFLAGS@
 LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
-PICFLAG = 
+GOCFLAGS = $(CFLAGS)
+
+TFLAGS =
+
+# Defaults for all stages; some are overridden below.
+
+STAGE_CFLAGS = $(BOOT_CFLAGS)
+STAGE_TFLAGS = $(TFLAGS)
+STAGE_CONFIGURE_FLAGS=@stage2_werror_flag@
+POSTSTAGE1_CONFIGURE_FLAGS = @POSTSTAGE1_CONFIGURE_FLAGS@
+
+[+ 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)
+# STAGE1_CONFIGURE_FLAGS overridden below, so we can use
+# POSTSTAGE1_CONFIGURE_FLAGS here.
+STAGE[+id+]_CONFIGURE_FLAGS = \
+       $(STAGE_CONFIGURE_FLAGS) $(POSTSTAGE1_CONFIGURE_FLAGS)
+[+ ENDFOR bootstrap-stage +]
+
+# 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.
+# * Don't remove this, because above we added
+#   POSTSTAGE1_CONFIGURE_FLAGS to STAGE[+id+]_CONFIGURE_FLAGS, which
+#   we don't want for STAGE1_CONFIGURE_FLAGS.
+STAGE1_CONFIGURE_FLAGS = --disable-intermodule $(STAGE1_CHECKING) \
+         --disable-coverage --enable-languages="$(STAGE1_LANGUAGES)"
+
+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@
 AS_FOR_TARGET=@AS_FOR_TARGET@
-CC_FOR_TARGET=$(STAGE_CC_WRAPPER) @CC_FOR_TARGET@ $(FLAGS_FOR_TARGET)
+CC_FOR_TARGET=$(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=$(STAGE_CC_WRAPPER) @GCC_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @CXX_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-RAW_CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @RAW_CXX_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-GCJ_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCJ_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-GFORTRAN_FOR_TARGET=$(STAGE_CC_WRAPPER) @GFORTRAN_FOR_TARGET@ $(FLAGS_FOR_TARGET)
+GCC_FOR_TARGET=$(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@
+GOC_FOR_TARGET=$(STAGE_CC_WRAPPER) @GOC_FOR_TARGET@
 DLLTOOL_FOR_TARGET=@DLLTOOL_FOR_TARGET@
 LD_FOR_TARGET=@LD_FOR_TARGET@
 
@@ -323,24 +497,28 @@ LIPO_FOR_TARGET=@LIPO_FOR_TARGET@
 NM_FOR_TARGET=@NM_FOR_TARGET@
 OBJDUMP_FOR_TARGET=@OBJDUMP_FOR_TARGET@
 RANLIB_FOR_TARGET=@RANLIB_FOR_TARGET@
+READELF_FOR_TARGET=@READELF_FOR_TARGET@
 STRIP_FOR_TARGET=@STRIP_FOR_TARGET@
 WINDRES_FOR_TARGET=@WINDRES_FOR_TARGET@
+WINDMC_FOR_TARGET=@WINDMC_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@
 
-# During gcc bootstrap, if we use some random cc for stage1 then
-# CFLAGS will be just -g.  We want to ensure that TARGET libraries
-# (which we know are built with gcc) are built with optimizations so
-# prepend -O2 when setting CFLAGS_FOR_TARGET.
-CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
-SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
-CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
+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 = 
-PICFLAG_FOR_TARGET = 
+LDFLAGS_FOR_TARGET = @LDFLAGS_FOR_TARGET@
+GOCFLAGS_FOR_TARGET = -O2 -g
+
+FLAGS_FOR_TARGET = @FLAGS_FOR_TARGET@
+SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
+DEBUG_PREFIX_CFLAGS_FOR_TARGET = @DEBUG_PREFIX_CFLAGS_FOR_TARGET@
+
+XGCC_FLAGS_FOR_TARGET = $(FLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
 
 # ------------------------------------
 # Miscellaneous targets and flag lists
@@ -358,7 +536,7 @@ all:
 ###
 
 # This is the list of directories that may be needed in RPATH_ENVVAR
-# so that prorgams built for the target machine work.
+# so that programs 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)
@@ -377,7 +555,7 @@ 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 +]
@@ -388,10 +566,35 @@ HOST_LIB_PATH_[+module+] = \
 @endif [+module+]
 [+ ENDIF lib_path +][+ ENDFOR host_modules +]
 
+CXX_FOR_TARGET_FLAG_TO_PASS = \
+       "CXX_FOR_TARGET=$(CXX_FOR_TARGET)"
+@if target-libstdc++-v3
+# CXX_FOR_TARGET is tricky to get right for target libs that require a
+# functional C++ compiler.  When we recurse, if we expand
+# CXX_FOR_TARGET before configuring libstdc++-v3, we won't get
+# libstdc++ include flags from the script.  Instead, we get an
+# -funconfigured-* word, so that we'll get errors if this invalid C++
+# command line is used for anything, but also so that we can use the
+# word to decide whether or not to pass on this CXX_FOR_TARGET.  If we
+# don't pass it on, sub-make will use the default definition, that
+# re-expands it at the time of use, so we'll get it right when we need
+# it.  One potential exception is the expansion of CXX_FOR_TARGET
+# passed down as part of CXX within TARGET_FLAGS, but this wouldn't
+# really work, for C++ host programs can't depend on the current-stage
+# C++ target library.
+CXX_FOR_TARGET_FLAG_TO_PASS = \
+       $(shell if echo "$(CXX_FOR_TARGET)" | grep " -funconfigured-" > /dev/null; then :; else echo '"CXX_FOR_TARGET=$(CXX_FOR_TARGET)"'; fi)
+@endif target-libstdc++-v3
+
 # Flags to pass down to all sub-makes.
 BASE_FLAGS_TO_PASS =[+ FOR flags_to_pass +][+ IF optional +] \
        "`echo '[+flag+]=$([+flag+])' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"[+ ELSE optional +] \
-       "[+flag+]=$([+flag+])"[+ ENDIF optional+][+ ENDFOR flags_to_pass +] \
+       "[+flag+]=$([+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 +] \
+       $(CXX_FOR_TARGET_FLAG_TO_PASS) \
+       "TFLAGS=$(TFLAGS)" \
        "CONFIG_SHELL=$(SHELL)" \
        "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" 
 
@@ -406,40 +609,48 @@ EXTRA_HOST_FLAGS = \
        'CC=$(CC)' \
        'CXX=$(CXX)' \
        'DLLTOOL=$(DLLTOOL)' \
+       'GCJ=$(GCJ)' \
+       'GFORTRAN=$(GFORTRAN)' \
+       'GOC=$(GOC)' \
        'LD=$(LD)' \
        'LIPO=$(LIPO)' \
        'NM=$(NM)' \
        'OBJDUMP=$(OBJDUMP)' \
        'RANLIB=$(RANLIB)' \
+       'READELF=$(READELF)' \
        'STRIP=$(STRIP)' \
-       'WINDRES=$(WINDRES)'
+       'WINDRES=$(WINDRES)' \
+       'WINDMC=$(WINDMC)'
 
 FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS)
 
-# Flags that are concerned with the location of the X11 include files
-# and library files
-#
-# NOTE: until the top-level is getting the values via autoconf, it only
-# causes problems to have this top-level Makefile overriding the autoconf-set
-# values in child directories.  Only variables that don't conflict with
-# autoconf'ed ones should be passed by X11_FLAGS_TO_PASS for now.
-#
-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; those variables
 # are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them.  The
-# COMPILER_ prefixed variables are not passed down so we expand them here.
+# *_CFLAGS_FOR_TARGET variables are not passed down and most often empty,
+# so we expand them here.
 EXTRA_TARGET_FLAGS = \
        'AR=$$(AR_FOR_TARGET)' \
        'AS=$(COMPILER_AS_FOR_TARGET)' \
-       'CC=$$(CC_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)' \
+       'GCJ=$$(GCJ_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
+       'GFORTRAN=$$(GFORTRAN_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
+       'GOC=$$(GOC_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
+       'GOCFLAGS=$$(GOCFLAGS_FOR_TARGET)' \
        'LD=$(COMPILER_LD_FOR_TARGET)' \
        'LDFLAGS=$$(LDFLAGS_FOR_TARGET)' \
        'LIBCFLAGS=$$(LIBCFLAGS_FOR_TARGET)' \
@@ -447,7 +658,11 @@ EXTRA_TARGET_FLAGS = \
        'NM=$(COMPILER_NM_FOR_TARGET)' \
        'OBJDUMP=$$(OBJDUMP_FOR_TARGET)' \
        'RANLIB=$$(RANLIB_FOR_TARGET)' \
-       'WINDRES=$$(WINDRES_FOR_TARGET)'
+       'READELF=$$(READELF_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)
 
@@ -460,13 +675,17 @@ TARGET_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)
 EXTRA_GCC_FLAGS = \
        "GCC_FOR_TARGET=$(GCC_FOR_TARGET)" \
        "`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'/[^=][^=]*=$$/XFOO=/'`"
+       "`echo 'LIMITS_H_TEST=$(LIMITS_H_TEST)' | sed -e s'/[^=][^=]*=$$/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 +] \
@@ -490,11 +709,18 @@ all:
        @: $(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 \
-         $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-host all-target; \
-       fi
+@endif gcc-bootstrap
+         $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-host all-target \
+@if gcc-bootstrap
+           ; \
+       fi \
+@endif gcc-bootstrap
+       && :
 
 .PHONY: all-build
 [+ FOR build_modules +]
@@ -508,9 +734,10 @@ all-host: maybe-all-[+module+][+ IF bootstrap +]
 
 .PHONY: all-target
 [+ FOR target_modules +][+ IF bootstrap +]
-@if [+module+]-no-bootstrap[+ ENDIF bootstrap +]
+@if target-[+module+]-no-bootstrap[+ ENDIF bootstrap +]
 all-target: maybe-all-target-[+module+][+ IF bootstrap +]
-@endif [+module+]-no-bootstrap[+ ENDIF bootstrap +][+ ENDFOR target_modules +]
+@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
@@ -537,7 +764,8 @@ do-[+make_target+]:
 
 # Here are the targets which correspond to the do-X targets.
 
-.PHONY: info installcheck dvi pdf html install-info install-html
+.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
@@ -556,6 +784,8 @@ 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:
@@ -576,6 +806,7 @@ 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;"
@@ -588,11 +819,6 @@ 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 || (cd gcc && $(MAKE) $@)
-
 # Check target.
 
 .PHONY: check do-check
@@ -680,11 +906,32 @@ install.all: install-no-fixedincludes
                true ; \
        fi
 
-# install-no-fixedincludes is used because Cygnus can not distribute
-# the fixed header files.
+# install-no-fixedincludes is used to allow the elaboration of binary packages
+# suitable for distribution, where we cannot include the fixed system header
+# files.
 .PHONY: install-no-fixedincludes
 install-no-fixedincludes: installdirs install-host-nogcc \
-       install-target gcc-no-fixedincludes
+       install-target gcc-install-no-fixedincludes
+
+.PHONY: install-strip
+install-strip:
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) installdirs install-strip-host install-strip-target
+
+.PHONY: install-strip-host
+install-strip-host: [+
+  FOR host_modules +] \
+    maybe-install-strip-[+module+][+
+  ENDFOR host_modules +]
+
+.PHONY: install-strip-target
+install-strip-target: [+
+  FOR target_modules +] \
+    maybe-install-strip-target-[+module+][+
+  ENDFOR target_modules +]
+
 
 ### other supporting targets
 
@@ -748,7 +995,7 @@ configure-[+prefix+][+module+]: [+ IF bootstrap +][+ ELSE +]
        fi; \
        [+ ENDIF check_multilibs +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
        $(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+] ; \
-       [+exports+] \
+       [+exports+] [+extra_exports+] \
        echo Configuring in [+subdir+]/[+module+]; \
        cd "[+subdir+]/[+module+]" || exit 1; \
        case $(srcdir) in \
@@ -760,7 +1007,8 @@ configure-[+prefix+][+module+]: [+ IF bootstrap +][+ ELSE +]
        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+]
 
@@ -775,6 +1023,7 @@ configure-stage[+id+]-[+prefix+][+module+]:
        @$(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+]..."; \
        $(CC_FOR_TARGET) --print-multi-lib > [+subdir+]/[+module+]/multilib.tmp 2> /dev/null ; \
@@ -790,7 +1039,15 @@ configure-stage[+id+]-[+prefix+][+module+]:
        fi; \
        [+ ENDIF check_multilibs +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
        [+exports+][+ IF prev +] \
-       [+poststage1_exports+][+ ENDIF prev +] \
+       [+poststage1_exports+][+ ENDIF prev +][+ IF prefix +] \
+       CFLAGS="$(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; \
@@ -802,9 +1059,11 @@ configure-stage[+id+]-[+prefix+][+module+]:
        srcdiroption="--srcdir=$${topdir}/[+module+]"; \
        libsrcdir="$$s/[+module+]"; \
        $(SHELL) $${libsrcdir}/configure \
-         [+args+] $${srcdiroption} \
-         [+ IF prev +]--with-build-libsubdir=$(HOST_SUBDIR)[+ ENDIF prev +] \
-         [+stage_configure_flags+] [+extra_configure_flags+]
+         [+args+] --build=${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 +]
@@ -818,15 +1077,16 @@ 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 +][+ 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 +]
@@ -843,12 +1103,25 @@ all-stage[+id+]-[+prefix+][+module+]: configure-stage[+id+]-[+prefix+][+module+]
        @[ $(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+]
@@ -863,7 +1136,7 @@ clean-stage[+id+]-[+prefix+][+module+]:
        cd [+subdir+]/[+module+] && \
        $(MAKE) [+args+] [+ IF prev +] \
                [+poststage1_args+] [+ ENDIF prev +] \
-               [+stage_make_flags+] [+extra_make_flags+] clean
+               [+extra_make_flags+] clean
 @endif [+prefix+][+module+]-bootstrap
 
 [+ ENDFOR bootstrap_stage +]
@@ -875,9 +1148,12 @@ 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 +]
 
 # --------------------------------------
@@ -887,12 +1163,14 @@ 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+]
@@ -940,6 +1218,23 @@ install-[+module+]: installdirs
 [+ ENDIF no_install +]
 @endif [+module+]
 
+.PHONY: install-strip-[+module+] maybe-install-strip-[+module+]
+maybe-install-strip-[+module+]:
+@if [+module+]
+maybe-install-strip-[+module+]: install-strip-[+module+]
+[+ IF no_install +]
+install-strip-[+module+]:
+[+ ELSE install +]
+install-strip-[+module+]: installdirs
+       @: $(MAKE); $(unstage)
+       @r=`${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-strip)
+[+ ENDIF no_install +]
+@endif [+module+]
+
 # Other targets (info, dvi, pdf, etc.)
 [+ FOR recursive_targets +]
 .PHONY: maybe-[+make_target+]-[+module+] [+make_target+]-[+module+]
@@ -967,7 +1262,7 @@ 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 +]
@@ -984,20 +1279,24 @@ maybe-[+make_target+]-[+module+]: [+make_target+]-[+module+]
 [+ configure prefix="target-" subdir="$(TARGET_SUBDIR)"
             check_multilibs=true
             exports="$(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="$(TARGET_SUBDIR)"
             check_multilibs=true
             exports="$(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+]
@@ -1048,6 +1347,28 @@ ENDIF raw_cxx +]
 [+ ENDIF no_install +]
 @endif target-[+module+]
 
+.PHONY: install-strip-target-[+module+] maybe-install-strip-target-[+module+]
+maybe-install-strip-target-[+module+]:
+@if target-[+module+]
+maybe-install-strip-target-[+module+]: install-strip-target-[+module+]
+[+ IF no_install +]
+# Dummy target for uninstallable.
+install-strip-target-[+module+]:
+[+ ELSE install +]
+install-strip-target-[+module+]: installdirs
+       @: $(MAKE); $(unstage)
+       @r=`${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) [+extra_make_flags+] install-strip)
+[+ ENDIF no_install +]
+@endif target-[+module+]
+
 # Other targets (info, dvi, pdf, etc.)
 [+ FOR recursive_targets +]
 .PHONY: maybe-[+make_target+]-target-[+module+] [+make_target+]-target-[+module+]
@@ -1079,7 +1400,7 @@ 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 +]
@@ -1087,65 +1408,18 @@ ENDIF raw_cxx +]
 [+ ENDFOR recursive_targets +]
 [+ ENDFOR target_modules +]
 
+@if target-libmudflap
+.PHONY: check-target-libmudflap-c++
+check-target-libmudflap-c++:
+       $(MAKE) RUNTESTFLAGS="$(RUNTESTFLAGS) c++frags.exp" check-target-libmudflap
+
+@endif target-libmudflap
+
 # ----------
 # GCC module
 # ----------
 
 @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; \
@@ -1160,39 +1434,26 @@ 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) $(GCC_FLAGS_TO_PASS) check-c++); \
-       else \
-         true; \
-       fi
-
-.PHONY: check-c++
-check-c++: check-target-libstdc++-v3 check-gcc-c++
-
-# Install the gcc headers files, but not the fixed include files,
-# which Cygnus is not allowed to distribute.  This rule is very
-# dependent on the workings of the gcc Makefile.in.
-.PHONY: gcc-no-fixedincludes
-gcc-no-fixedincludes:
+[+ FOR languages +]
+.PHONY: check-gcc-[+language+] check-[+language+]
+check-gcc-[+language+]:
+       r=`${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+][+ FOR lib-check-target +] [+ lib-check-target +][+ ENDFOR lib-check-target +]
+[+ ENDFOR languages +]
+
+# The gcc part of install-no-fixedincludes, which relies on an intimate
+# knowledge of how a number of gcc internal targets (inter)operate.  Delegate.
+.PHONY: gcc-install-no-fixedincludes
+gcc-install-no-fixedincludes:
        @if [ -f ./gcc/Makefile ]; then \
-         rm -rf gcc/tmp-include; \
-         mv gcc/include gcc/tmp-include 2>/dev/null; \
-         mkdir gcc/include; \
-         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_COMMAND}`; export r; \
-         s=`cd $(srcdir); ${PWD_COMMAND}` ; export s; \
+         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; \
+         (cd ./gcc \
+          && $(MAKE) $(GCC_FLAGS_TO_PASS) install-no-fixedincludes); \
        else true; fi
 @endif gcc
 
@@ -1215,7 +1476,7 @@ stage = :
 current_stage = ""
 
 @if gcc-bootstrap
-unstage = [ -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
@@ -1243,36 +1504,9 @@ LEAN = false
 # '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=$$r/prev-gcc/ \
-       CFLAGS="$(BOOT_CFLAGS)" \
-       LIBCFLAGS="$(BOOT_CFLAGS)" \
-       LDFLAGS="$(BOOT_LDFLAGS)" \
-       "`echo 'ADAFLAGS=$(BOOT_ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"
-
-# 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
 
@@ -1306,9 +1540,9 @@ stage[+id+]-end:: [+ FOR host_modules +][+ IF bootstrap +]
        fi
        rm -f stage_current
 
-# Bubble a bugfix through all the stages up to stage [+id+].  They are
+# 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 as well.
+# reconfigured either.
 .PHONY: stage[+id+]-bubble
 stage[+id+]-bubble:: [+ IF prev +]stage[+prev+]-bubble[+ ENDIF +]
        @r=`${PWD_COMMAND}`; export r; \
@@ -1343,15 +1577,16 @@ do-clean: clean-stage[+id+]
        : $(MAKE); $(stage); \
        rm -f .bad_compare ; \
        echo Comparing stages [+prev+] and [+id+] ; \
-       cd stage[+id+]-gcc; \
-       files=`find . -name "*$(objext)" -print` ; \
-       cd .. ; \
+        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; \
+         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 $$file in \
-             ./cc*-checksum$(objext) | ./libgcc/* ) \
+             @compare_exclusions@) \
                echo warning: $$file differs ;; \
              *) \
                echo $$file differs >> .bad_compare ;; \
@@ -1382,6 +1617,7 @@ do-clean: clean-stage[+id+]
        @: $(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:
@@ -1392,6 +1628,7 @@ do-clean: clean-stage[+id+]
        @: $(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 +]
 
@@ -1400,12 +1637,22 @@ do-clean: clean-stage[+id+]
 .PHONY: distclean-stage[+id+]
 distclean-stage[+id+]::
        @: $(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
 
@@ -1430,6 +1677,8 @@ 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
@@ -1438,11 +1687,11 @@ stage_current:
        @if test -f stage_last; then $(unstage); else $(MAKE) stage1-start; fi
 
 .PHONY: restrap
-restrap:
+restrap::
        @: $(MAKE); $(stage)
-       rm -rf stage1-$(TARGET_SUBDIR) [+ FOR bootstrap-stage +][+ IF prev
-         +]stage[+id+]-* [+ ENDIF prev +][+ ENDFOR bootstrap-stage +]
-       $(MAKE) $(RECURSE_FLAGS_TO_PASS) all
+       rm -rf stage1-$(TARGET_SUBDIR)[+ FOR bootstrap-stage +][+ IF prev
+         +] stage[+id+]-*[+ ENDIF prev +][+ ENDFOR bootstrap-stage +]
+restrap:: all
 @endif gcc-bootstrap
 
 # --------------------------------------
@@ -1458,18 +1707,12 @@ configure-target-[+module+]: stage_last[+
   ENDIF bootstrap +][+ ENDFOR target_modules +]
 @endif gcc-bootstrap
 
-@if gcc-no-bootstrap[+ FOR target_modules +][+ IF bootstrap
-  +][+ ELSE +]
+@if gcc-no-bootstrap[+ FOR target_modules +]
 configure-target-[+module+]: maybe-all-gcc[+
-  ENDIF bootstrap +][+ ENDFOR target_modules +]
+  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
 # if the depended-on module is missing, the depending module will do without
@@ -1479,7 +1722,7 @@ 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
@@ -1558,7 +1801,6 @@ 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)) +][+
@@ -1566,17 +1808,48 @@ 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@
@@ -1607,7 +1880,8 @@ 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)
 
 # ------------------------------