OSDN Git Service

2007-01-10 Matthias Klose <doko@debian.org>
[pf3gnuchains/gcc-fork.git] / Makefile.tpl
index 47fa0c8..2d4fe07 100644 (file)
@@ -6,7 +6,7 @@ in
 #
 # Makefile for directory with subdirs to build.
 #   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-#   1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation
+#   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation
 #
 # This file is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -53,6 +53,9 @@ libdir = @libdir@
 includedir = @includedir@
 oldincludedir = @oldincludedir@
 infodir = @infodir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+htmldir = @htmldir@
 mandir = @mandir@
 man1dir = $(mandir)/man1
 man2dir = $(mandir)/man2
@@ -70,6 +73,9 @@ 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
@@ -87,8 +93,6 @@ 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
 # 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
@@ -136,7 +140,8 @@ HOST_CONFIGARGS = @host_configargs@
 # with srcdir=..
 HOST_SUBDIR = @host_subdir@
 # This is the list of variables to export in the environment when
-# configuring subdirectories for the host system.
+# configuring subdirectories for the host system.  We need to pass
+# some to the GCC configure because of its hybrid host/target nature.
 HOST_EXPORTS = \
        $(BASE_EXPORTS) \
        CC="$(CC)"; export CC; \
@@ -155,6 +160,13 @@ HOST_EXPORTS = \
        WINDRES="$(WINDRES)"; export WINDRES; \
        OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
        OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \
+       AR_FOR_TARGET="$(AR_FOR_TARGET)"; export AR_FOR_TARGET; \
+       AS_FOR_TARGET="$(AS_FOR_TARGET)"; export AS_FOR_TARGET; \
+       GCC_FOR_TARGET="$(GCC_FOR_TARGET)"; export GCC_FOR_TARGET; \
+       LD_FOR_TARGET="$(LD_FOR_TARGET)"; export LD_FOR_TARGET; \
+       NM_FOR_TARGET="$(NM_FOR_TARGET)"; export NM_FOR_TARGET; \
+       OBJDUMP_FOR_TARGET="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP_FOR_TARGET; \
+       RANLIB_FOR_TARGET="$(RANLIB_FOR_TARGET)"; export RANLIB_FOR_TARGET; \
        TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
        GMPLIBS="$(HOST_GMPLIBS)"; export GMPLIBS; \
        GMPINC="$(HOST_GMPINC)"; export GMPINC; \
@@ -171,11 +183,10 @@ POSTSTAGE1_HOST_EXPORTS = \
        CC_FOR_BUILD="$(STAGE_CC_WRAPPER) \
          $$r/$(HOST_SUBDIR)/prev-gcc/xgcc$(exeext) \
          -B$$r/$(HOST_SUBDIR)/prev-gcc/ \
-         -B$(build_tooldir)/bin/"; export CC_FOR_BUILD;
+         -B$(build_tooldir)/bin/"; export CC_FOR_BUILD; \
+       CFLAGS="$(BOOT_CFLAGS)"; export CFLAGS; \
+       LDFLAGS="$(BOOT_LDFLAGS)"; export LDFLAGS;
 
-# This is set by the configure script to the list of directories which
-# should be built using the target tools.
-TARGET_CONFIGDIRS = @target_configdirs@
 # Target libraries are put under this directory:
 TARGET_SUBDIR = @target_subdir@
 # This is set by the configure script to the arguments to use when configuring
@@ -186,7 +197,7 @@ TARGET_CONFIGARGS = @target_configargs@ --with-target-subdir="$(TARGET_SUBDIR)"
 BASE_TARGET_EXPORTS = \
        $(BASE_EXPORTS) \
        AR="$(AR_FOR_TARGET)"; export AR; \
-       AS="$(AS_FOR_TARGET)"; export AS; \
+       AS="$(COMPILER_AS_FOR_TARGET)"; export AS; \
        CC="$(CC_FOR_TARGET)"; export CC; \
        CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
        CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
@@ -195,10 +206,10 @@ BASE_TARGET_EXPORTS = \
        GCJ="$(GCJ_FOR_TARGET)"; export GCJ; \
        GFORTRAN="$(GFORTRAN_FOR_TARGET)"; export GFORTRAN; \
        DLLTOOL="$(DLLTOOL_FOR_TARGET)"; export DLLTOOL; \
-       LD="$(LD_FOR_TARGET)"; export LD; \
+       LD="$(COMPILER_LD_FOR_TARGET)"; export LD; \
        LDFLAGS="$(LDFLAGS_FOR_TARGET)"; export LDFLAGS; \
        LIPO="$(LIPO_FOR_TARGET)"; export LIPO; \
-       NM="$(NM_FOR_TARGET)"; export NM; \
+       NM="$(COMPILER_NM_FOR_TARGET)"; export NM; \
        OBJDUMP="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP; \
        RANLIB="$(RANLIB_FOR_TARGET)"; export RANLIB; \
        STRIP="$(STRIP_FOR_TARGET)"; export STRIP; \
@@ -247,48 +258,16 @@ BUILD_PREFIX_1 = @BUILD_PREFIX_1@
 # Flags to pass to stage2 and later makes.  They are defined
 # here so that they can be overridden by Makefile fragments.
 BOOT_CFLAGS= -g -O2
+BOOT_LDFLAGS=
 
-CONFIGURED_BISON = @CONFIGURED_BISON@
-BISON = `if [ -f $$r/$(BUILD_SUBDIR)/bison/tests/bison ] ; then \
-           echo $$r/$(BUILD_SUBDIR)/bison/tests/bison ; \
-        else \
-           echo ${CONFIGURED_BISON} ; \
-        fi`
-
-CONFIGURED_YACC = @CONFIGURED_YACC@
-YACC = `if [ -f $$r/$(BUILD_SUBDIR)/bison/tests/bison ] ; then \
-           echo $$r/$(BUILD_SUBDIR)/bison/tests/bison -y ; \
-       elif [ -f $$r/$(BUILD_SUBDIR)/byacc/byacc ] ; then \
-           echo $$r/$(BUILD_SUBDIR)/byacc/byacc ; \
-       else \
-           echo ${CONFIGURED_YACC} ; \
-       fi`
-
-CONFIGURED_FLEX = @CONFIGURED_FLEX@
-FLEX = `if [ -f $$r/$(BUILD_SUBDIR)/flex/flex ] ; \
-       then echo $$r/$(BUILD_SUBDIR)/flex/flex ; \
-       else echo ${CONFIGURED_FLEX} ; fi`
-
-CONFIGURED_LEX = @CONFIGURED_LEX@
-LEX = `if [ -f $$r/$(BUILD_SUBDIR)/flex/flex ] ; \
-       then echo $$r/$(BUILD_SUBDIR)/flex/flex ; \
-       else echo ${CONFIGURED_LEX} ; fi`
-
-CONFIGURED_M4 = @CONFIGURED_M4@
-M4 = `if [ -f $$r/$(BUILD_SUBDIR)/m4/m4 ] ; \
-       then echo $$r/$(BUILD_SUBDIR)/m4/m4 ; \
-       else echo ${CONFIGURED_M4} ; fi`
-
-# For an installed makeinfo, we require it to be from texinfo 4.2 or
-# higher, else we use the "missing" dummy.  We also pass the subdirectory
-# makeinfo even if only the Makefile is there, because Texinfo builds its
-# manual when made, and it requires its own version.
-CONFIGURED_MAKEINFO = @CONFIGURED_MAKEINFO@
-MAKEINFO = `if [ -f $$r/$(BUILD_SUBDIR)/texinfo/makeinfo/Makefile ] ; \
-       then echo $$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo ; \
-       else if (${CONFIGURED_MAKEINFO} --version \
-         | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[2-9]|[5-9])') >/dev/null 2>&1; \
-        then echo ${CONFIGURED_MAKEINFO}; else echo $$s/missing makeinfo; fi; fi`
+BISON = @BISON@
+YACC = @YACC@
+FLEX = @FLEX@
+LEX = @LEX@
+M4 = @M4@
+MAKEINFO = @MAKEINFO@
+EXPECT = @EXPECT@
+RUNTEST = @RUNTEST@
 
 # This just becomes part of the MAKEINFO definition passed down to
 # sub-makes.  It lets flags be given on the command line while still
@@ -296,45 +275,41 @@ MAKEINFO = `if [ -f $$r/$(BUILD_SUBDIR)/texinfo/makeinfo/Makefile ] ; \
 # (Default to avoid splitting info files by setting the threshold high.)
 MAKEINFOFLAGS = --split-size=5000000
 
-# FIXME: expect may become a build tool?
-EXPECT = `if [ -f $$r/$(HOST_SUBDIR)/expect/expect ] ; \
-       then echo $$r/$(HOST_SUBDIR)/expect/expect ; \
-       else echo expect ; fi`
-
-RUNTEST = `if [ -f $$s/dejagnu/runtest ] ; \
-       then echo $$s/dejagnu/runtest ; \
-       else echo runtest ; fi`
-
 # ---------------------------------------------
 # Programs producing files for the HOST machine
 # ---------------------------------------------
 
 AS = @AS@
-
 AR = @AR@
 AR_FLAGS = rc
-
 CC = @CC@
-CFLAGS = @CFLAGS@
-LIBCFLAGS = $(CFLAGS)
-
 CXX = @CXX@
-CXXFLAGS = @CXXFLAGS@
-LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
-
 DLLTOOL = @DLLTOOL@
-
-NM = @NM@
-
 LD = @LD@
-LDFLAGS = 
-
+LIPO = @LIPO@
+NM = @NM@
+OBJDUMP = @OBJDUMP@
 RANLIB = @RANLIB@
-
+STRIP = @STRIP@
 WINDRES = @WINDRES@
 
+CFLAGS = @CFLAGS@
+LDFLAGS = 
+LIBCFLAGS = $(CFLAGS)
+CXXFLAGS = @CXXFLAGS@
+LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
 PICFLAG = 
 
+# 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@
+
 # -----------------------------------------------
 # Programs producing files for the TARGET machine
 # -----------------------------------------------
@@ -342,242 +317,42 @@ PICFLAG =
 FLAGS_FOR_TARGET = @FLAGS_FOR_TARGET@
 
 AR_FOR_TARGET=@AR_FOR_TARGET@
-CONFIGURED_AR_FOR_TARGET=@CONFIGURED_AR_FOR_TARGET@
-USUAL_AR_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/ar ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/ar ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(AR); \
-    else \
-      echo $(CONFIGURED_AR_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 AS_FOR_TARGET=@AS_FOR_TARGET@
-CONFIGURED_AS_FOR_TARGET=@CONFIGURED_AS_FOR_TARGET@
-USUAL_AS_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gas/as-new ] ; then \
-    echo $$r/$(HOST_SUBDIR)/gas/as-new ; \
-  elif [ -f $$r/$(HOST_SUBDIR)/gcc/as ]; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/as ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(AS); \
-    else \
-      echo $(CONFIGURED_AS_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 CC_FOR_TARGET=$(STAGE_CC_WRAPPER) @CC_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-CONFIGURED_CC_FOR_TARGET=@CONFIGURED_CC_FOR_TARGET@
-USUAL_CC_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gcc/xgcc ] ; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/ ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(CC); \
-    else \
-      echo $(CONFIGURED_CC_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-# During gcc bootstrap, if we use some random cc for stage1 then
-# CFLAGS will be just -g.  We want to ensure that TARGET libraries
-# (which we know are built with gcc) are built with optimizations so
-# prepend -O2 when setting CFLAGS_FOR_TARGET.
-CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
-SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
 
 # If GCC_FOR_TARGET is not overriden on the command line, then this
 # variable is passed down to the gcc Makefile, where it is used to
 # build libgcc2.a.  We define it here so that it can itself be
 # overridden on the command line.
-GCC_FOR_TARGET=@GCC_FOR_TARGET@
-CONFIGURED_GCC_FOR_TARGET=@CONFIGURED_GCC_FOR_TARGET@
-USUAL_GCC_FOR_TARGET = $(STAGE_CC_WRAPPER) \
-  $$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/ $(FLAGS_FOR_TARGET)
-LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
-
+GCC_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCC_FOR_TARGET@ $(FLAGS_FOR_TARGET)
 CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @CXX_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-CONFIGURED_CXX_FOR_TARGET=@CONFIGURED_CXX_FOR_TARGET@
-USUAL_CXX_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gcc/g++ ] ; then \
-    (echo $$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++; \
-    test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; \
-    echo -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs) | tr '\015\012' '  '; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(CXX); \
-    else \
-      echo $(CONFIGURED_CXX_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 RAW_CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @RAW_CXX_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-USUAL_RAW_CXX_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gcc/xgcc ] ; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(CXX); \
-    else \
-      echo $(CONFIGURED_CXX_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
-LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
-
 GCJ_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCJ_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-CONFIGURED_GCJ_FOR_TARGET=@CONFIGURED_GCJ_FOR_TARGET@
-USUAL_GCJ_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gcc/gcj ] ; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(GCJ); \
-    else \
-      echo $(CONFIGURED_GCJ_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 GFORTRAN_FOR_TARGET=$(STAGE_CC_WRAPPER) @GFORTRAN_FOR_TARGET@ $(FLAGS_FOR_TARGET)
-CONFIGURED_GFORTRAN_FOR_TARGET=@CONFIGURED_GFORTRAN_FOR_TARGET@
-USUAL_GFORTRAN_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/gcc/gfortran ] ; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(GFORTRAN); \
-    else \
-      echo $(CONFIGURED_GFORTRAN_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-
 DLLTOOL_FOR_TARGET=@DLLTOOL_FOR_TARGET@
-CONFIGURED_DLLTOOL_FOR_TARGET=@CONFIGURED_DLLTOOL_FOR_TARGET@
-USUAL_DLLTOOL_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/dlltool ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/dlltool ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(DLLTOOL); \
-    else \
-      echo $(CONFIGURED_DLLTOOL_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 LD_FOR_TARGET=@LD_FOR_TARGET@
-CONFIGURED_LD_FOR_TARGET=@CONFIGURED_LD_FOR_TARGET@
-USUAL_LD_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/ld/ld-new ] ; then \
-    echo $$r/$(HOST_SUBDIR)/ld/ld-new ; \
-  elif [ -f $$r/$(HOST_SUBDIR)/gcc/collect-ld ]; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/collect-ld ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(LD); \
-    else \
-      echo $(CONFIGURED_LD_FOR_TARGET) ; \
-    fi; \
-  fi`
-
-LDFLAGS_FOR_TARGET = 
 
 LIPO_FOR_TARGET=@LIPO_FOR_TARGET@
-CONFIGURED_LIPO_FOR_TARGET=@CONFIGURED_LIPO_FOR_TARGET@
-USUAL_LIPO_FOR_TARGET = ` \
-  if [ '$(host)' = '$(target)' ] ; then \
-    if [ x'$(LIPO)' != x ]; then \
-       echo $(LIPO); \
-    else \
-       echo lipo; \
-    fi; \
-  else \
-    echo $(CONFIGURED_LIPO_FOR_TARGET) ; \
-  fi`
-
 NM_FOR_TARGET=@NM_FOR_TARGET@
-CONFIGURED_NM_FOR_TARGET=@CONFIGURED_NM_FOR_TARGET@
-USUAL_NM_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/nm-new ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/nm-new ; \
-  elif [ -f $$r/$(HOST_SUBDIR)/gcc/nm ]; then \
-    echo $$r/$(HOST_SUBDIR)/gcc/nm ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(NM); \
-    else \
-      echo $(CONFIGURED_NM_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 OBJDUMP_FOR_TARGET=@OBJDUMP_FOR_TARGET@
-CONFIGURED_OBJDUMP_FOR_TARGET=@CONFIGURED_OBJDUMP_FOR_TARGET@
-USUAL_OBJDUMP_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/objdump ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/objdump ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      if [ x'$(OBJDUMP)' != x ]; then \
-         echo $(OBJDUMP); \
-      else \
-         echo objdump; \
-      fi; \
-    else \
-      echo $(CONFIGURED_OBJDUMP_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 RANLIB_FOR_TARGET=@RANLIB_FOR_TARGET@
-CONFIGURED_RANLIB_FOR_TARGET=@CONFIGURED_RANLIB_FOR_TARGET@
-USUAL_RANLIB_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/ranlib ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/ranlib ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      if [ x'$(RANLIB)' != x ]; then \
-         echo $(RANLIB); \
-      else \
-         echo ranlib; \
-      fi; \
-    else \
-      echo $(CONFIGURED_RANLIB_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 STRIP_FOR_TARGET=@STRIP_FOR_TARGET@
-CONFIGURED_STRIP_FOR_TARGET=@CONFIGURED_STRIP_FOR_TARGET@
-USUAL_STRIP_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/strip ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/strip ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      if [ x'$(STRIP)' != x ]; then \
-         echo $(STRIP); \
-      else \
-         echo strip; \
-      fi; \
-    else \
-      echo $(CONFIGURED_STRIP_FOR_TARGET) ; \
-    fi; \
-  fi`
-
 WINDRES_FOR_TARGET=@WINDRES_FOR_TARGET@
-CONFIGURED_WINDRES_FOR_TARGET=@CONFIGURED_WINDRES_FOR_TARGET@
-USUAL_WINDRES_FOR_TARGET = ` \
-  if [ -f $$r/$(HOST_SUBDIR)/binutils/windres ] ; then \
-    echo $$r/$(HOST_SUBDIR)/binutils/windres ; \
-  else \
-    if [ '$(host)' = '$(target)' ] ; then \
-      echo $(WINDRES); \
-    else \
-      echo $(CONFIGURED_WINDRES_FOR_TARGET) ; \
-    fi; \
-  fi`
 
+COMPILER_AS_FOR_TARGET=@COMPILER_AS_FOR_TARGET@
+COMPILER_LD_FOR_TARGET=@COMPILER_LD_FOR_TARGET@
+COMPILER_NM_FOR_TARGET=@COMPILER_NM_FOR_TARGET@
+
+# During gcc bootstrap, if we use some random cc for stage1 then
+# CFLAGS will be just -g.  We want to ensure that TARGET libraries
+# (which we know are built with gcc) are built with optimizations so
+# prepend -O2 when setting CFLAGS_FOR_TARGET.
+CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
+SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
+CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
+LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
+LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
+LDFLAGS_FOR_TARGET = 
 PICFLAG_FOR_TARGET = 
 
 # ------------------------------------
@@ -627,8 +402,9 @@ 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+]=$([+flag+])"[+ ENDIF optional+][+ ENDFOR flags_to_pass +] \
        "CONFIG_SHELL=$(SHELL)" \
        "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" 
 
@@ -644,8 +420,11 @@ EXTRA_HOST_FLAGS = \
        'CXX=$(CXX)' \
        'DLLTOOL=$(DLLTOOL)' \
        'LD=$(LD)' \
+       'LIPO=$(LIPO)' \
        'NM=$(NM)' \
+       'OBJDUMP=$(OBJDUMP)' \
        'RANLIB=$(RANLIB)' \
+       'STRIP=$(STRIP)' \
        'WINDRES=$(WINDRES)'
 
 FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS)
@@ -662,22 +441,33 @@ X11_FLAGS_TO_PASS = \
        'X11_EXTRA_CFLAGS=$(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}" \
+       STAGE_PREFIX="$$r/$(HOST_SUBDIR)/prev-gcc/" \
+       CFLAGS="$(BOOT_CFLAGS)" \
+       LIBCFLAGS="$(BOOT_CFLAGS)" \
+       LDFLAGS="$(BOOT_LDFLAGS)" \
+       "`echo 'ADAFLAGS=$(BOOT_ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/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
+# COMPILER_ prefixed variables are not passed down so we expand them here.
 EXTRA_TARGET_FLAGS = \
        'AR=$$(AR_FOR_TARGET)' \
-       'AS=$$(AS_FOR_TARGET)' \
+       'AS=$(COMPILER_AS_FOR_TARGET)' \
        'CC=$$(CC_FOR_TARGET)' \
        'CFLAGS=$$(CFLAGS_FOR_TARGET)' \
        'CXX=$$(CXX_FOR_TARGET)' \
        'CXXFLAGS=$$(CXXFLAGS_FOR_TARGET)' \
        'DLLTOOL=$$(DLLTOOL_FOR_TARGET)' \
-       'LD=$$(LD_FOR_TARGET)' \
+       'LD=$(COMPILER_LD_FOR_TARGET)' \
        'LDFLAGS=$$(LDFLAGS_FOR_TARGET)' \
        'LIBCFLAGS=$$(LIBCFLAGS_FOR_TARGET)' \
        'LIBCXXFLAGS=$$(LIBCXXFLAGS_FOR_TARGET)' \
-       'NM=$$(NM_FOR_TARGET)' \
+       'NM=$(COMPILER_NM_FOR_TARGET)' \
        'OBJDUMP=$$(OBJDUMP_FOR_TARGET)' \
        'RANLIB=$$(RANLIB_FOR_TARGET)' \
        'WINDRES=$$(WINDRES_FOR_TARGET)'
@@ -691,18 +481,12 @@ TARGET_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)
 # The BUILD_* variables are a special case, which are used for the gcc
 # cross-building scheme.
 EXTRA_GCC_FLAGS = \
-       'BUILD_PREFIX=$(BUILD_PREFIX)' \
-       'BUILD_PREFIX_1=$(BUILD_PREFIX_1)' \
        "GCC_FOR_TARGET=$(GCC_FOR_TARGET)" \
-       "`echo 'LANGUAGES=$(LANGUAGES)' | sed -e s'/[^=][^=]*=$$/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)
 
@@ -721,45 +505,36 @@ configure-target: [+
 .PHONY: all
 all:
 @if gcc-bootstrap
+       [ -f stage_final ] || echo stage3 > stage_final
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-       if [ ! -f stage_last ]; then \
-         $(MAKE) $(RECURSE_FLAGS_TO_PASS) bootstrap; \
-       fi
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) `cat stage_final`-bubble
 @endif gcc-bootstrap
-       @$(unstage)
-@if gcc-no-bootstrap
-       @r=`${PWD_COMMAND}`; export r; \
-       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-       $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-prebootstrap
-@endif gcc-no-bootstrap
+       @: $(MAKE); $(unstage)
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        if [ -f stage_last ]; then \
-         $(MAKE) $(TARGET_FLAGS_TO_PASS) all-host; \
+         $(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target; \
        else \
-         $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-host; \
+         $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-host all-target; \
        fi
-       @r=`${PWD_COMMAND}`; export r; \
-       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-       $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-target
-       @$(stage)
 
 .PHONY: all-build
-all-build: [+
-  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
@@ -768,33 +543,31 @@ all-target: [+
 [+ FOR recursive_targets +]
 .PHONY: do-[+make_target+]
 do-[+make_target+]:
-       @$(unstage)
-       @$(MAKE) $(RECURSE_FLAGS_TO_PASS) [+make_target+]-host \
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) [+make_target+]-host \
          [+make_target+]-target
-       @$(stage)
 
 
 .PHONY: [+make_target+]-host
-[+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 install-info 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
@@ -807,12 +580,14 @@ install-info: do-install-info dir.info
          $(INSTALL_DATA) dir.info $(DESTDIR)$(infodir)/dir.info ; \
        else true ; fi
 
+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
@@ -837,15 +612,6 @@ 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/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
@@ -865,9 +631,10 @@ check-target: [+
   ENDFOR target_modules +]
 
 do-check:
-       @$(unstage)
-       @$(MAKE) $(RECURSE_FLAGS_TO_PASS) check-host check-target
-       @$(stage)
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) check-host check-target
 
 # Automated reporting of test results.
 
@@ -894,9 +661,10 @@ mail-report-with-warnings.log: warning.log
 
 .PHONY: install uninstall
 install:
-       @$(unstage)
-       @$(MAKE) $(RECURSE_FLAGS_TO_PASS) installdirs install-host install-target
-       @$(stage)
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) installdirs install-host install-target
 
 .PHONY: install-host-nogcc
 install-host-nogcc: [+
@@ -923,6 +691,7 @@ 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) $(FLAGS_TO_PASS) install-headers) ; \
@@ -973,15 +742,31 @@ TAGS: do-TAGS
 [+ DEFINE configure +]
 .PHONY: configure-[+prefix+][+module+] maybe-configure-[+prefix+][+module+]
 maybe-configure-[+prefix+][+module+]:
+@if gcc-bootstrap
+configure-[+prefix+][+module+]: stage_current
+@endif gcc-bootstrap
 @if [+prefix+][+module+]
 maybe-configure-[+prefix+][+module+]: configure-[+prefix+][+module+]
-configure-[+prefix+][+module+]: [+deps+]
-       @[+ IF bootstrap +]test -f stage_last && exit 0; \
-       [+ ELSE bootstrap +]$(unstage)
-       @[+ 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; \
+       [+ 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+] \
        echo Configuring in [+subdir+]/[+module+]; \
        cd "[+subdir+]/[+module+]" || exit 1; \
@@ -1002,16 +787,31 @@ configure-[+prefix+][+module+]: [+deps+]
 [+ FOR bootstrap_stage +]
 .PHONY: configure-stage[+id+]-[+prefix+][+module+] maybe-configure-stage[+id+]-[+prefix+][+module+]
 maybe-configure-stage[+id+]-[+prefix+][+module+]:
-@if [+module+]-bootstrap
+@if [+prefix+][+module+]-bootstrap
 maybe-configure-stage[+id+]-[+prefix+][+module+]: configure-stage[+id+]-[+prefix+][+module+]
-configure-stage[+id+]-[+prefix+][+module+]: [+deps+]
-       @[ `cat stage_current` = stage[+id+] ] || $(MAKE) stage[+id+]-start
-       @[ -f [+subdir+]/[+module+]/Makefile ] && exit 0 || : ; \
-       r=`${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; \
+       [+ 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 +] \
        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) ;; \
@@ -1022,8 +822,9 @@ configure-stage[+id+]-[+prefix+][+module+]: [+deps+]
        libsrcdir="$$s/[+module+]"; \
        $(SHELL) $${libsrcdir}/configure \
          [+args+] $${srcdiroption} \
+         [+ IF prev +]--with-build-libsubdir=$(HOST_SUBDIR)[+ ENDIF prev +] \
          [+stage_configure_flags+] [+extra_configure_flags+]
-@endif [+module+]-bootstrap
+@endif [+prefix+][+module+]-bootstrap
 [+ ENDFOR bootstrap_stage +]
 [+ ENDIF bootstrap +]
 [+ ENDDEF +]
@@ -1031,14 +832,16 @@ configure-stage[+id+]-[+prefix+][+module+]: [+deps+]
 [+ DEFINE all +]
 .PHONY: all-[+prefix+][+module+] maybe-all-[+prefix+][+module+]
 maybe-all-[+prefix+][+module+]:
+@if gcc-bootstrap
+all-[+prefix+][+module+]: stage_current
+@endif gcc-bootstrap
 @if [+prefix+][+module+]
 TARGET-[+prefix+][+module+]=[+
   IF target +][+target+][+ ELSE +]all[+ ENDIF target +]
 maybe-all-[+prefix+][+module+]: all-[+prefix+][+module+]
-all-[+prefix+][+module+]: configure-[+prefix+][+module+]
-       @[+ IF bootstrap +]test -f stage_last && exit 0; \
-       [+ ELSE bootstrap +]$(unstage)
-       @[+ 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+] \
        (cd [+subdir+]/[+module+] && \
@@ -1051,12 +854,12 @@ 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+]
-       @[ `cat stage_current` = stage[+id+] ] || $(MAKE) stage[+id+]-start
+       @[ $(current_stage) = stage[+id+] ] || $(MAKE) stage[+id+]-start
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        [+exports+][+ IF prev +] \
@@ -1070,14 +873,17 @@ all-stage[+id+]-[+prefix+][+module+]: configure-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 ; \
-       @[ `cat stage_current` = stage[+id+] ] || $(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
+@endif [+prefix+][+module+]-bootstrap
 
 [+ ENDFOR bootstrap_stage +]
 [+ ENDIF bootstrap +]
@@ -1117,7 +923,7 @@ check-[+module+]:
 [+ ELIF no_check_cross +]
 # This module is only tested in a native toolchain.
 check-[+module+]:
-       @$(unstage)
+       @: $(MAKE); $(unstage)
        @if [ '$(host)' = '$(target)' ] ; then \
          r=`${PWD_COMMAND}`; export r; \
          s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
@@ -1127,7 +933,7 @@ check-[+module+]:
        fi
 [+ ELSE check +]
 check-[+module+]:
-       @$(unstage)
+       @: $(MAKE); $(unstage)
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(HOST_EXPORTS) \
@@ -1144,7 +950,7 @@ maybe-install-[+module+]: install-[+module+]
 install-[+module+]:
 [+ ELSE install +]
 install-[+module+]: installdirs
-       @$(unstage)
+       @: $(MAKE); $(unstage)
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
        $(HOST_EXPORTS) \
@@ -1153,7 +959,7 @@ 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+]:
@@ -1167,7 +973,7 @@ maybe-[+make_target+]-[+module+]: [+make_target+]-[+module+]
   FOR depend +]\
     [+depend+]-[+module+] [+
   ENDFOR depend +]
-       @[+ IF bootstrap +][+ ELSE +]$(unstage)
+       @[+ IF bootstrap +][+ ELSE +]: $(MAKE); $(unstage)
        @[+ ENDIF bootstrap +][ -f ./[+module+]/Makefile ] || exit 0; \
        r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
@@ -1193,17 +999,9 @@ maybe-[+make_target+]-[+module+]: [+make_target+]-[+module+]
 # ---------------------------------------
 [+ FOR target_modules +]
 
-# There's only one multilib.out.  Cleverer subdirs shouldn't need it copied.
-@if target-[+module+]
-$(TARGET_SUBDIR)/[+module+]/multilib.out: multilib.out
-       $(SHELL) $(srcdir)/mkinstalldirs $(TARGET_SUBDIR)/[+module+] ; \
-       rm -f $(TARGET_SUBDIR)/[+module+]/Makefile || : ; \
-       cp multilib.out $(TARGET_SUBDIR)/[+module+]/multilib.out
-@endif target-[+module+]
-
 [+ IF raw_cxx +]
 [+ configure prefix="target-" subdir="$(TARGET_SUBDIR)"
-            deps=(string-append "$(TARGET_SUBDIR)/" (get "module") "/multilib.out")
+            check_multilibs=true
             exports="$(RAW_CXX_TARGET_EXPORTS)"
             args="$(TARGET_CONFIGARGS)" no-config-site=true +]
 
@@ -1212,7 +1010,7 @@ $(TARGET_SUBDIR)/[+module+]/multilib.out: multilib.out
        args="$(TARGET_FLAGS_TO_PASS) 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)'" +]
 [+ ELSE +]
 [+ configure prefix="target-" subdir="$(TARGET_SUBDIR)"
-            deps=(string-append "$(TARGET_SUBDIR)/" (get "module") "/multilib.out")
+            check_multilibs=true
             exports="$(NORMAL_TARGET_EXPORTS)"
             args="$(TARGET_CONFIGARGS)" no-config-site=true +]
 
@@ -1230,7 +1028,7 @@ maybe-check-target-[+module+]: check-target-[+module+]
 check-target-[+module+]:
 [+ ELSE check +]
 check-target-[+module+]:
-       @$(unstage)
+       @: $(MAKE); $(unstage)
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
 IF raw_cxx +]
@@ -1256,7 +1054,7 @@ maybe-install-target-[+module+]: install-target-[+module+]
 install-target-[+module+]:
 [+ ELSE install +]
 install-target-[+module+]: installdirs
-       @$(unstage)
+       @: $(MAKE); $(unstage)
        @r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
 IF raw_cxx +]
@@ -1269,7 +1067,7 @@ 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+]:
@@ -1283,7 +1081,7 @@ maybe-[+make_target+]-target-[+module+]: [+make_target+]-target-[+module+]
   FOR depend +]\
     [+depend+]-target-[+module+] [+
   ENDFOR depend +]
-       @$(unstage)
+       @: $(MAKE); $(unstage)
        @[ -f $(TARGET_SUBDIR)/[+module+]/Makefile ] || exit 0 ; \
        r=`${PWD_COMMAND}`; export r; \
        s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
@@ -1313,60 +1111,6 @@ 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; \
@@ -1426,29 +1170,36 @@ gcc-no-fixedincludes:
 # are dummy when toplevel bootstrap is not active.
 
 # While making host and target tools, symlinks to the final stage must be
-# there, so $(MAKE) $(unstage) should be run at various points.  To avoid
-# excessive recursive invocations of make, we "inline" them using a variable.
+# there, so $(unstage) should be run at various points.  To avoid excessive
+# recursive invocations of make, we "inline" them using a variable.  These
+# must be referenced as ": $(MAKE) ; $(unstage)" rather than "$(unstage)"
+# to avoid warnings from the GNU Make job server.
 
 unstage = :
 stage = :
+current_stage = ""
 
 @if gcc-bootstrap
-unstage = [ -f stage_current ] || $(MAKE) `cat stage_last`-start
-stage = $(MAKE) `cat stage_current`-end
+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: unstage stage
 unstage:
-       @$(unstage)
+       @: $(MAKE); $(unstage)
 stage:
-       @$(stage)
+       @: $(MAKE); $(stage)
+
+# Disable commands for lean bootstrap.
+LEAN = false
 
 # We name the build directories for the various stages "stage1-gcc",
 # "stage2-gcc","stage3-gcc", etc.
 
 # Since the 'compare' process will fail (on debugging information) if any
 # directory names are different, we need to link the gcc directory for
-# the previous stage to a constant name ('gcc-prev'), and to make the name of
+# the previous stage to a constant name ('prev-gcc'), and to make the name of
 # the build directories constant as well. For the latter, we use naked names
 # like 'gcc', because the scripts in that directory assume it.  We use
 # mv on platforms where symlinks to directories do not work or are not
@@ -1457,90 +1208,61 @@ stage:
 # '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 bugfix through all the stages up to stage [+id+].  They are
+# remade, but not reconfigured.  The next stage (if any) will not be
+# reconfigured as well.
 .PHONY: stage[+id+]-bubble
-stage[+id+]-bubble:: [+ IF prev +]stage[+prev+]-bubble[+ ENDIF +][+IF lean +]
-       @bootstrap_lean@-rm -rf stage[+lean+]-* ; $(STAMP) stage[+lean+]-lean[+ ENDIF lean +]
-       @if test -f stage[+id+]-lean [+
+stage[+id+]-bubble:: [+ IF prev +]stage[+prev+]-bubble[+ ENDIF +]
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       if test -f stage[+id+]-lean [+
          IF prev +]|| test -f stage[+prev+]-lean [+ ENDIF prev +] ; then \
          echo Skipping rebuild of stage[+id+] ; \
        else \
-         $(MAKE) stage[+id+]-start; \
+         $(MAKE) stage[+id+]-start; \[+IF lean +]
+         if $(LEAN); then \
+           rm -rf stage[+lean+]-* ; \
+           $(STAMP) stage[+lean+]-lean ; \
+         fi; \[+ ENDIF lean +]
          $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stage[+id+]; \
-       fi
+       fi[+ IF compare-target +]
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) [+compare-target+][+ ENDIF compare-target +]
 
 .PHONY: all-stage[+id+] clean-stage[+id+]
 do-clean: clean-stage[+id+]
@@ -1550,14 +1272,15 @@ 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); $(stage); \
        rm -f .bad_compare ; \
+       echo Comparing stages [+prev+] and [+id+] ; \
        cd stage[+id+]-gcc; \
        files=`find . -name "*$(objext)" -print` ; \
        cd .. ; \
@@ -1578,24 +1301,43 @@ do-clean: clean-stage[+id+]
          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
-       [+ IF compare-target +]$(MAKE) [+compare-target+]
-       [+ ENDIF compare-target +]$(MAKE) $(RECURSE_FLAGS_TO_PASS) all
+.PHONY: [+bootstrap-target+] [+bootstrap-target+]-lean
+[+bootstrap-target+]:
+       echo stage[+id+] > stage_final
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) stage[+id+]-bubble
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
+
+[+bootstrap-target+]-lean:
+       echo stage[+id+] > stage_final
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) LEAN=: stage[+id+]-bubble
+       @: $(MAKE); $(unstage)
+       @r=`${PWD_COMMAND}`; export r; \
+       s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+       $(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
 [+ ENDIF bootstrap-target +]
 
 # Rules to wipe a stage and all the following ones, also used for cleanstrap
 [+ IF prev +]distclean-stage[+prev+]:: distclean-stage[+id+] [+ ENDIF prev +]
 .PHONY: distclean-stage[+id+]
 distclean-stage[+id+]::
-       [ -f stage_current ] && $(MAKE) `cat stage_current`-end || :
+       @: $(MAKE); $(stage)
        rm -rf stage[+id+]-* [+
          IF compare-target +][+compare-target+] [+ ENDIF compare-target +]
 
@@ -1622,6 +1364,23 @@ stagefeedback-start::
 
 @if gcc-bootstrap
 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:
+       $(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 +]
+       $(MAKE) $(RECURSE_FLAGS_TO_PASS) all
 @endif gcc-bootstrap
 
 # --------------------------------------
@@ -1629,17 +1388,19 @@ 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
@@ -1729,7 +1490,6 @@ 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)) +][+
@@ -1737,19 +1497,54 @@ 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 
@@ -1760,17 +1555,6 @@ 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