X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=configure;h=911351626ef0574c8f2bcb0ee2be2d4c3d7253f2;hp=fea4aa70e09cbfe4c2017842a10f4d1dc4b4369a;hb=18b9db02ef2e569e4c76932128302932fffabfbd;hpb=c36c585e1bdcec69ac4f9d3397e3a6de81bb2680

diff --git a/configure b/configure
index fea4aa70e09..911351626ef 100755
--- a/configure
+++ b/configure
@@ -556,6 +556,7 @@ enable_option_checking=no
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
 compare_exclusions
+POSTSTAGE1_CONFIGURE_FLAGS
 stage2_werror_flag
 stage1_checking
 stage1_cflags
@@ -570,6 +571,7 @@ RAW_CXX_FOR_TARGET
 WINDMC_FOR_TARGET
 WINDRES_FOR_TARGET
 STRIP_FOR_TARGET
+READELF_FOR_TARGET
 RANLIB_FOR_TARGET
 OBJDUMP_FOR_TARGET
 NM_FOR_TARGET
@@ -584,6 +586,7 @@ GCJ_FOR_TARGET
 GCC_FOR_TARGET
 CXX_FOR_TARGET
 CC_FOR_TARGET
+READELF
 OBJDUMP
 OBJCOPY
 WINDMC
@@ -634,6 +637,7 @@ target_configargs
 host_configargs
 build_configargs
 BUILD_CONFIG
+LDFLAGS_FOR_TARGET
 CXXFLAGS_FOR_TARGET
 CFLAGS_FOR_TARGET
 DEBUG_PREFIX_CFLAGS_FOR_TARGET
@@ -666,6 +670,7 @@ CPPFLAGS
 LDFLAGS
 CFLAGS
 CC
+EXTRA_CONFIGARGS_LIBJAVA
 target_subdir
 host_subdir
 build_subdir
@@ -745,7 +750,10 @@ enable_libquadmath
 enable_libquadmath_support
 enable_libada
 enable_libssp
+enable_static_libjava
+enable_bootstrap
 enable_build_with_cxx
+enable_build_poststage1_with_cxx
 with_mpc
 with_mpc_include
 with_mpc_lib
@@ -776,7 +784,6 @@ enable_stage1_languages
 enable_objc_gc
 with_build_sysroot
 with_debug_prefix_map
-enable_bootstrap
 with_build_config
 enable_serial_configure
 with_build_time_tools
@@ -810,6 +817,7 @@ WINDRES
 WINDMC
 OBJCOPY
 OBJDUMP
+READELF
 CC_FOR_TARGET
 CXX_FOR_TARGET
 GCC_FOR_TARGET
@@ -824,6 +832,7 @@ LIPO_FOR_TARGET
 NM_FOR_TARGET
 OBJDUMP_FOR_TARGET
 RANLIB_FOR_TARGET
+READELF_FOR_TARGET
 STRIP_FOR_TARGET
 WINDRES_FOR_TARGET
 WINDMC_FOR_TARGET'
@@ -1459,7 +1468,12 @@ Optional Features:
                           disable libquadmath support for Fortran
   --enable-libada         build libada directory
   --enable-libssp         build libssp directory
+  --enable-static-libjava[=ARG]
+                          build static libjava [default=no]
+  --enable-bootstrap      enable bootstrapping [yes if native build]
   --enable-build-with-cxx build with C++ compiler instead of C compiler
+  --enable-build-poststage1-with-cxx
+                          build stages 2 and 3 with C++, not C
   --disable-ppl-version-check
                           disable check for PPL version
   --enable-cloog-backend[=BACKEND]
@@ -1473,7 +1487,6 @@ Optional Features:
                           Mostly useful for compiler development
   --enable-objc-gc        enable use of Boehm's garbage collector with the GNU
                           Objective-C runtime
-  --enable-bootstrap      enable bootstrapping [yes if native build]
   --enable-serial-[{host,target,build}-]configure
                           force sequential configuration of sub-packages for
                           the host, target or build machine, or all
@@ -1568,6 +1581,7 @@ Some influential environment variables:
   WINDMC      WINDMC for the host
   OBJCOPY     OBJCOPY for the host
   OBJDUMP     OBJDUMP for the host
+  READELF     READELF for the host
   CC_FOR_TARGET
               CC for the target
   CXX_FOR_TARGET
@@ -1596,6 +1610,8 @@ Some influential environment variables:
               OBJDUMP for the target
   RANLIB_FOR_TARGET
               RANLIB for the target
+  READELF_FOR_TARGET
+              READELF for the target
   STRIP_FOR_TARGET
               STRIP for the target
   WINDRES_FOR_TARGET
@@ -2646,11 +2662,11 @@ extra_host_args=
 build_libs="build-libiberty"
 
 # these tools are built for the build environment
-build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
+build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
 
 # these libraries are used by various programs built for the host environment
 #
-host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
 
 # these tools are built for the host environment
 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
@@ -2658,22 +2674,21 @@ host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib l
 # binutils, gas and ld appear in that order because it makes sense to run
 # "make check" in that particular order.
 # If --enable-gold is used, "gold" may replace "ld".
-host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
+host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
 
 # libgcj represents the runtime libraries only used by gcj.
 libgcj="target-libffi \
 	target-zlib \
-	target-qthreads \
 	target-libjava"
 
 # these libraries are built for the target environment, and are built after
 # the host libraries and the host tools (which may be a cross compiler)
-#
+# Note that libiberty is not a target library.
 target_libraries="target-libgcc \
-		target-libiberty \
 		target-libgloss \
 		target-newlib \
 		target-libgomp \
+		target-libitm \
 		target-libstdc++-v3 \
 		target-libmudflap \
 		target-libssp \
@@ -2691,7 +2706,7 @@ target_libraries="target-libgcc \
 # note: any program that *uses* libraries that are in the "target_libraries"
 # list belongs in this list.
 #
-target_tools="target-examples target-gperf target-rda"
+target_tools="target-rda"
 
 ################################################################################
 
@@ -2998,6 +3013,22 @@ no)
   ;;
 esac
 
+# Check whether --enable-static-libjava was given.
+if test "${enable_static_libjava+set}" = set; then :
+  enableval=$enable_static_libjava; ENABLE_STATIC_LIBJAVA=$enableval
+else
+  ENABLE_STATIC_LIBJAVA=no
+fi
+
+enable_static_libjava=
+if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
+  enable_static_libjava=yes
+fi
+
+if test x$enable_static_libjava != xyes ; then
+  EXTRA_CONFIGARGS_LIBJAVA=--disable-static
+fi
+
 
 # Disable libmudflap on some systems.
 if test x$enable_libmudflap = x ; then
@@ -3033,93 +3064,320 @@ if test x$enable_libgomp = x ; then
     esac
 fi
 
+# Disable libitm on unsupported systems.
+if test -d ${srcdir}/libitm; then
+    if test x$enable_libitm = x; then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libitm support" >&5
+$as_echo_n "checking for libitm support... " >&6; }
+	if (srcdir=${srcdir}/libitm; \
+		. ${srcdir}/configure.tgt; \
+		test -n "$UNSUPPORTED")
+	then
+	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+	    noconfigdirs="$noconfigdirs target-libitm"
+	else
+	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+	fi
+    fi
+fi
+
 # Disable libssp for some systems.
 case "${target}" in
   avr-*-*)
+    # No hosted I/O support.
     noconfigdirs="$noconfigdirs target-libssp"
     ;;
   powerpc-*-aix* | rs6000-*-aix*)
     noconfigdirs="$noconfigdirs target-libssp"
     ;;
-  microblaze*)
+  rl78-*-*)
+    # libssp uses a misaligned load to trigger a fault, but the RL78
+    # doesn't fault for those - instead, it gives a build-time error
+    # for explicit misaligned loads.
     noconfigdirs="$noconfigdirs target-libssp"
     ;;
 esac
 
-# Disable target libiberty for some systems.
+# Disable libstdc++-v3 for some systems.
 case "${target}" in
-  *-*-kaos*)
-    # Remove unsupported stuff on all kaOS configurations.
-    skipdirs="target-libiberty"
+  *-*-vxworks*)
+    # VxWorks uses the Dinkumware C++ library.
+    noconfigdirs="$noconfigdirs target-libstdc++-v3"
     ;;
-  *-*-netbsd*)
-    # Skip some stuff on all NetBSD configurations.
-    noconfigdirs="$noconfigdirs target-libiberty"
+  arm*-wince-pe*)
+    # the C++ libraries don't build on top of CE's C libraries
+    noconfigdirs="$noconfigdirs target-libstdc++-v3"
+    ;;
+  avr-*-*)
+    noconfigdirs="$noconfigdirs target-libstdc++-v3"
+    ;;
+esac
+
+# Disable Fortran for some systems.
+case "${target}" in
+  mmix-*-*)
+    # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
+    unsupported_languages="$unsupported_languages fortran"
+    ;;
+esac
+
+# Disable Java if libffi is not supported.
+case "${target}" in
+  alpha*-*-*)
+    ;;
+  arm*-*-*)
+    ;;
+  cris-*-*)
+    ;;
+  frv-*-*)
+    ;;
+  hppa*-*-linux*)
+    ;;
+  hppa*-*-hpux*)
+    ;;
+  i?86-*-*)
+    ;;
+  ia64*-*-*)
+    ;;
+  m32r*-*-*)
+    ;;
+  m68k-*-*)
+    ;;
+  mips-sgi-irix6.* | mips*-*-rtems*)
+    ;;
+  mips*-*-linux*)
+    ;;
+  powerpc*-*-linux*)
+    ;;
+  powerpc-*-darwin*)
+    ;;
+  powerpc-*-aix* | rs6000-*-aix*)
+    ;;
+  powerpc-*-freebsd*)
+    ;;
+  powerpc64-*-freebsd*)
+    ;;
+  powerpc*-*-rtems*)
+    ;;
+  s390-*-* | s390x-*-*)
+    ;;
+  sh-*-* | sh[34]*-*-*)
+    ;;
+  sh64-*-* | sh5*-*-*)
+    ;;
+  sparc*-*-*)
+    ;;
+  x86_64-*-*)
+    ;;
+  *-*-*)
+    unsupported_languages="$unsupported_languages java"
+    ;;
+esac
+
+# Disable Java, libgcj or related libraries for some systems.
+case "${target}" in
+  powerpc-*-darwin*)
+    ;;
+  i[3456789]86-*-darwin*)
+    ;;
+  x86_64-*-darwin[912]*)
+    ;;
+  *-*-darwin*)
+    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
   *-*-netware*)
-    noconfigdirs="$noconfigdirs target-libiberty"
+    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
   *-*-rtems*)
-    skipdirs="${skipdirs} target-libiberty"
+    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
   *-*-tpf*)
-    noconfigdirs="$noconfigdirs target-libiberty"
+    noconfigdirs="$noconfigdirs ${libgcj}"
+    ;;
+  *-*-uclinux*)
+    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
   *-*-vxworks*)
-    noconfigdirs="$noconfigdirs target-libiberty"
+    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
-  sh*-*-pe|mips*-*-pe|*arm-wince-pe)
-    noconfigdirs="$noconfigdirs target-libiberty"
+  alpha*-*-*vms*)
+    noconfigdirs="$noconfigdirs ${libgcj}"
+    ;;
+  arm-wince-pe)
+    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
   arm*-*-symbianelf*)
-    noconfigdirs="$noconfigdirs target-libiberty"
+    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
-  avr-*-*)
-    noconfigdirs="$noconfigdirs target-libiberty"
+  bfin-*-*)
+    noconfigdirs="$noconfigdirs target-boehm-gc"
     ;;
-  m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
-    noconfigdirs="$noconfigdirs target-libiberty"
+  cris-*-* | crisv32-*-*)
+    unsupported_languages="$unsupported_languages java"
+    case "${target}" in
+      *-*-linux*)
+	;;
+      *) # See PR46792 regarding target-libffi.
+	noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
+    esac
+    ;;
+  hppa*64*-*-linux*)
+    # In this case, it's because the hppa64-linux target is for
+    # the kernel only at this point and has no libc, and thus no
+    # headers, crt*.o, etc., all of which are needed by these.
+    unsupported_languages="$unsupported_languages java"
     ;;
-  picochip-*-*)
-    noconfigdirs="$noconfigdirs target-libiberty"
+  hppa*64*-*-hpux*)
+    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
-  mips*-sde-elf*)
-    skipdirs="$skipdirs target-libiberty"
+  hppa*-hp-hpux11*)
+    ;;
+  hppa*-*-hpux*)
+    # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
+    # build on HP-UX 10.20.
+    noconfigdirs="$noconfigdirs ${libgcj}"
+    ;;
+  ia64*-*-*vms*)
+    noconfigdirs="$noconfigdirs ${libgcj}"
+    ;;
+  i[3456789]86-w64-mingw*)
+    noconfigdirs="$noconfigdirs ${libgcj}"
+    ;;
+  i[3456789]86-*-mingw*)
+    noconfigdirs="$noconfigdirs ${libgcj}"
+    ;;
+  x86_64-*-mingw*)
+    noconfigdirs="$noconfigdirs ${libgcj}"
+    ;;
+  mmix-*-*)
+    noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
+    ;;
+  powerpc-*-aix*)
+    # copied from rs6000-*-* entry
+    noconfigdirs="$noconfigdirs ${libgcj}"
+    ;;
+  rs6000-*-aix*)
+    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
-  ip2k-*-*)
-    noconfigdirs="$noconfigdirs target-libiberty"
+  mips*-*-irix6*)
+    # Linking libjava exceeds command-line length limits on at least
+    # IRIX 6.2, but not on IRIX 6.5.
+    # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
+    # <oldham@codesourcery.com>
+    noconfigdirs="$noconfigdirs ${libgcj}"
+    ;;
+  *-*-lynxos*)
+    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
 esac
 
-# Disable libstdc++-v3 for some systems.
+# Default libgloss CPU subdirectory.
+libgloss_dir="$target_cpu"
+
 case "${target}" in
-  *-*-vxworks*)
-    # VxWorks uses the Dinkumware C++ library.
-    noconfigdirs="$noconfigdirs target-libstdc++-v3"
+  sh*-*-pe|mips*-*-pe|*arm-wince-pe)
+    libgloss_dir=wince
     ;;
-  arm*-wince-pe*)
-    # the C++ libraries don't build on top of CE's C libraries
-    noconfigdirs="$noconfigdirs target-libstdc++-v3"
+  arm*-*-*)
+    libgloss_dir=arm
     ;;
-  avr-*-*)
-    noconfigdirs="$noconfigdirs target-libstdc++-v3"
+  cris-*-* | crisv32-*-*)
+    libgloss_dir=cris
+    ;;
+  hppa*-*-*)
+    libgloss_dir=pa
+    ;;
+  i[3456789]86-*-*)
+    libgloss_dir=i386
+    ;;
+  m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
+    libgloss_dir=m68hc11
+    ;;
+  m68*-*-* | fido-*-*)
+    libgloss_dir=m68k
+    ;;
+  mips*-*-*)
+    libgloss_dir=mips
+    ;;
+  powerpc*-*-*)
+    libgloss_dir=rs6000
+    ;;
+  sparc*-*-*)
+    libgloss_dir=sparc
     ;;
 esac
 
-# Disable Fortran for some systems.
+# Disable newlib and libgloss for various target OSes.
 case "${target}" in
-  mmix-*-*)
-    # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
-    unsupported_languages="$unsupported_languages fortran"
+  alpha*-dec-osf*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  i[3456789]86-*-linux*)
+    # This section makes it possible to build newlib natively on linux.
+    # If we are using a cross compiler then don't configure newlib.
+    if test x${is_cross_compiler} != xno ; then
+      noconfigdirs="$noconfigdirs target-newlib"
+    fi
+    noconfigdirs="$noconfigdirs target-libgloss"
+    # If we are not using a cross compiler, do configure newlib.
+    # Note however, that newlib will only be configured in this situation
+    # if the --with-newlib option has been given, because otherwise
+    # 'target-newlib' will appear in skipdirs.
+    ;;
+  i[3456789]86-*-rdos*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  sh*-*-pe|mips*-*-pe|arm-wince-pe)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  sparc-*-sunos4*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-aix*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-beos*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-chorusos)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-dragonfly*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-freebsd*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-lynxos*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-mingw*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-netbsd*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-netware*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-tpf*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-uclinux*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
+  *-*-vxworks*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
 esac
 
-# Default libgloss CPU subdirectory.
-libgloss_dir="$target_cpu"
-
 case "${target}" in
   *-*-chorusos)
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
   powerpc-*-darwin*)
     noconfigdirs="$noconfigdirs ld gas gdb gprof"
@@ -3136,122 +3394,65 @@ case "${target}" in
   *-*-darwin*)
     noconfigdirs="$noconfigdirs ld gas gdb gprof"
     noconfigdirs="$noconfigdirs sim target-rda"
-    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
   *-*-dragonfly*)
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
   *-*-freebsd*)
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
 	&& test -f /usr/local/include/gmp.h; then
       with_gmp=/usr/local
     fi
-
-    # Skip some stuff that's unsupported on some FreeBSD configurations.
-    case "${target}" in
-      i*86-*-*) ;;
-      alpha*-*-*) ;;
-      x86_64-*-*) ;;
-      *)
-	noconfigdirs="$noconfigdirs ${libgcj}"
-	;;
-    esac
     ;;
   *-*-kaos*)
     # Remove unsupported stuff on all kaOS configurations.
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
   *-*-netbsd*)
-    # Skip some stuff on all NetBSD configurations.
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
-
-    # Skip some stuff that's unsupported on some NetBSD configurations.
-    case "${target}" in
-      i*86-*-netbsdelf*) ;;
-      arm*-*-netbsdelf*) ;;
-      *)
-	noconfigdirs="$noconfigdirs ${libgcj}"
-	;;
-    esac
     ;;
   *-*-netware*)
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
     ;;
   *-*-rtems*)
-    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libgloss"
     ;;
     # The tpf target doesn't support gdb yet.
   *-*-tpf*)
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj} gdb tcl tk libgui itcl"
+    noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
     ;;
   *-*-uclinux*)
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
+    noconfigdirs="$noconfigdirs target-rda"
     ;;
   *-*-vxworks*)
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
     ;;
   alpha*-dec-osf*)
     # ld works, but does not support shared libraries.
-    # newlib is not 64 bit ready.
     # gas doesn't generate exception information.
-    noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
+    noconfigdirs="$noconfigdirs gas ld"
     ;;
   alpha*-*-*vms*)
-    noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
-    ;;
-  alpha*-*-linux*)
-    # newlib is not 64 bit ready
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
     ;;
   alpha*-*-*)
     # newlib is not 64 bit ready
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
-    ;;
-  am33_2.0-*-linux*)
-    noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
-    ;;
-  sh-*-linux*)
-    noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
-    noconfigdirs="$noconfigdirs ${libgcj}"
     noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
-    noconfigdirs="$noconfigdirs target-newlib"
-    libgloss_dir=wince
     ;;
   arc-*-*)
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
-  arm-*-coff)
-    libgloss_dir=arm
-    ;;
-  arm-*-elf* | arm*-*-eabi* )
-    noconfigdirs="$noconfigdirs target-libffi"
-    libgloss_dir=arm
-    ;;
-  arm*-*-linux-gnueabi)
-    case ${with_newlib} in
-      no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
-    esac
-    libgloss_dir=arm
-    ;;
-  arm*-*-symbianelf*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
-    libgloss_dir=arm
-    ;;
   arm-*-pe*)
-    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libgloss"
     ;;
   arm-*-riscix*)
     noconfigdirs="$noconfigdirs ld target-libgloss"
     ;;
-  avr-*-*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+  avr-*-rtems*)
     ;;
-  bfin-*-*)
-    unsupported_languages="$unsupported_languages java"
-    noconfigdirs="$noconfigdirs target-boehm-gc"
+  avr-*-*)
+    if test x${with_avrlibc} = xyes; then
+      noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    fi
     ;;
   c4x-*-* | tic4x-*-*)
     noconfigdirs="$noconfigdirs target-libgloss"
@@ -3259,19 +3460,6 @@ case "${target}" in
   tic54x-*-*)
     noconfigdirs="$noconfigdirs target-libgloss gdb"
     ;;
-  cr16-*-*)
-    noconfigdirs="$noconfigdirs ${libgcj} gdb"
-    ;;
-  cris-*-* | crisv32-*-*)
-    unsupported_languages="$unsupported_languages java"
-    case "${target}" in
-      *-*-linux*)
-	noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
-      *) # See PR46792 regarding target-libffi.
-	noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
-    esac
-    libgloss_dir=cris
-    ;;
   d10v-*-*)
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
@@ -3279,17 +3467,13 @@ case "${target}" in
     noconfigdirs="$noconfigdirs gdb"
     ;;
   fr30-*-elf*)
-    noconfigdirs="$noconfigdirs ${libgcj} gdb"
-    ;;
-  frv-*-*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs gdb"
     ;;
   moxie-*-*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
     noconfigdirs="$noconfigdirs gprof"
     ;;
   h8300*-*-*)
-    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libgloss"
     ;;
   h8500-*-*)
     noconfigdirs="$noconfigdirs target-libgloss"
@@ -3297,10 +3481,6 @@ case "${target}" in
   hppa1.1-*-osf* | hppa1.1-*-bsd* )
     ;;
   hppa*64*-*-linux*)
-    # In this case, it's because the hppa64-linux target is for
-    # the kernel only at this point and has no libc, and thus no
-    # headers, crt*.o, etc., all of which are needed by these.
-    noconfigdirs="$noconfigdirs target-zlib"
     ;;
   hppa*-*-linux*)
     ;;
@@ -3308,18 +3488,14 @@ case "${target}" in
   hppa*-*-lites* | \
   hppa*-*-openbsd* | \
   hppa*64*-*-*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
   hppa*-hp-hpux11*)
     noconfigdirs="$noconfigdirs ld"
     ;;
   hppa*-*-pro*)
-    libgloss_dir=pa
     ;;
   hppa*-*-*)
-    # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
-    # build on HP-UX 10.20.
-    noconfigdirs="$noconfigdirs ld ${libgcj}"
+    noconfigdirs="$noconfigdirs ld"
     ;;
   i960-*-*)
     noconfigdirs="$noconfigdirs gdb"
@@ -3330,37 +3506,16 @@ case "${target}" in
     ;;
   ia64*-**-hpux*)
     # No ld support yet.
-    noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
+    noconfigdirs="$noconfigdirs libgui itcl ld"
     ;;
   ia64*-*-*vms*)
     # No gdb or ld support yet.
-    noconfigdirs="$noconfigdirs ${libgcj} readline libgui itcl gdb ld"
-    ;;
-  i[3456789]86-*-coff | i[3456789]86-*-elf)
-    noconfigdirs="$noconfigdirs ${libgcj}"
-    libgloss_dir=i386
-    ;;
-  i[3456789]86-*-linux*)
-    # This section makes it possible to build newlib natively on linux.
-    # If we are using a cross compiler then don't configure newlib.
-    if test x${is_cross_compiler} != xno ; then
-      noconfigdirs="$noconfigdirs target-newlib"
-    fi
-    noconfigdirs="$noconfigdirs target-libgloss"
-    # If we are not using a cross compiler, do configure newlib.
-    # Note however, that newlib will only be configured in this situation
-    # if the --with-newlib option has been given, because otherwise
-    # 'target-newlib' will appear in skipdirs.
+    noconfigdirs="$noconfigdirs readline libgui itcl gdb ld"
     ;;
   i[3456789]86-w64-mingw*)
-    noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
     ;;
   i[3456789]86-*-mingw*)
     target_configdirs="$target_configdirs target-winsup"
-    noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
-    ;;
-  x86_64-*-mingw*)
-    noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
     ;;
   *-*-cygwin*)
     target_configdirs="$target_configdirs target-libtermcap target-winsup"
@@ -3372,8 +3527,6 @@ case "${target}" in
       echo "Warning: winsup/cygwin is missing so newlib can't be built."
     fi
     ;;
-  i[3456789]86-*-interix* )
-    ;;
   i[3456789]86-*-pe)
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
@@ -3385,40 +3538,27 @@ case "${target}" in
   i[3456789]86-*-sco*)
     noconfigdirs="$noconfigdirs gprof target-libgloss"
     ;;
-  i[3456789]86-*-solaris2*)
+  i[3456789]86-*-solaris2* | x86_64-*-solaris2.1[0-9]*)
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
   i[3456789]86-*-sysv4*)
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
   i[3456789]86-*-beos*)
-    noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
+    noconfigdirs="$noconfigdirs gdb"
     ;;
   i[3456789]86-*-rdos*)
-    noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
-    ;;
-  m32r-*-*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
-    ;;
-  m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
-    libgloss_dir=m68hc11
-    ;;
-  m68k-*-elf*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
-    ;;
-  m68*-*-* | fido-*-*)
-    libgloss_dir=m68k
+    noconfigdirs="$noconfigdirs gdb"
     ;;
   mmix-*-*)
-    noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb"
-    unsupported_languages="$unsupported_languages java"
+    noconfigdirs="$noconfigdirs gdb"
     ;;
   mt-*-*)
     noconfigdirs="$noconfigdirs sim"
     ;;
   powerpc-*-aix*)
     # copied from rs6000-*-* entry
-    noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
+    noconfigdirs="$noconfigdirs gprof"
     ;;
   powerpc*-*-winnt* | powerpc*-*-pe*)
     target_configdirs="$target_configdirs target-winsup"
@@ -3429,108 +3569,69 @@ case "${target}" in
     # This is temporary until we can link against shared libraries
   powerpcle-*-solaris*)
     noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
-    libgloss_dir=rs6000
     ;;
   powerpc-*-beos*)
-    noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
-    ;;
-  powerpc-*-eabi)
-    noconfigdirs="$noconfigdirs ${libgcj}"
-    libgloss_dir=rs6000
-    ;;
-  powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
-    libgloss_dir=rs6000
+    noconfigdirs="$noconfigdirs gdb"
     ;;
   rs6000-*-lynxos*)
-    noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
+    noconfigdirs="$noconfigdirs gprof"
     ;;
   rs6000-*-aix*)
-    noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
+    noconfigdirs="$noconfigdirs gprof"
     ;;
   rs6000-*-*)
-    noconfigdirs="$noconfigdirs gprof ${libgcj}"
+    noconfigdirs="$noconfigdirs gprof"
     ;;
   m68k-apollo-*)
     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
     ;;
   microblaze*)
-    noconfigdirs="$noconfigdirs gprof ${libgcj}"
+    noconfigdirs="$noconfigdirs gprof"
     ;;
   mips*-sde-elf*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
     if test x$with_newlib = xyes; then
       noconfigdirs="$noconfigdirs gprof"
     fi
-    libgloss_dir=mips
     ;;
   mips*-*-irix5*)
     noconfigdirs="$noconfigdirs gprof target-libgloss"
     ;;
   mips*-*-irix6*)
-    # Linking libjava exceeds command-line length limits on at least
-    # IRIX 6.2, but not on IRIX 6.5.
-    # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
-    # <oldham@codesourcery.com>
-    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
+    noconfigdirs="$noconfigdirs gprof target-libgloss"
     ;;
   mips*-*-bsd*)
     noconfigdirs="$noconfigdirs gprof target-libgloss"
     ;;
   mips*-*-linux*)
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
   mips*-*-*)
-    noconfigdirs="$noconfigdirs gprof ${libgcj}"
-    libgloss_dir=mips
+    noconfigdirs="$noconfigdirs gprof"
     ;;
   sh-*-* | sh64-*-*)
     case "${target}" in
       sh*-*-elf)
-         noconfigdirs="$noconfigdirs ${libgcj}" ;;
+         ;;
       *)
-         noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
+         noconfigdirs="$noconfigdirs target-libgloss" ;;
     esac
     ;;
-  sparclet-*-aout* | sparc86x-*-*)
-    libgloss_dir=sparc
-    ;;
-  sparc-*-elf*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
-    ;;
-  sparc64-*-elf*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
-    libgloss_dir=sparc
-    ;;
-  sparclite-*-*)
-    libgloss_dir=sparc
-    ;;
   sparc-*-sunos4*)
-    if test x${is_cross_compiler} != xno ; then
-           noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
-    else
+    if test x${is_cross_compiler} = xno ; then
            use_gnu_ld=no
     fi
     ;;
-  sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
-    ;;
   tic6x-*-*)
-    noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
+    noconfigdirs="$noconfigdirs sim"
+    ;;
+  tilepro-*-* | tilegx-*-*)
+    noconfigdirs="$noconfigdirs sim"
     ;;
   v810-*-*)
     noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
     ;;
   vax-*-*)
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
-    ;;
-  *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
-  *-*-lynxos*)
-    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
-    ;;
-  *-*-*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
-    ;;
 esac
 
 # If we aren't building newlib, then don't build libgloss, since libgloss
@@ -3573,9 +3674,6 @@ fi
   *-mingw*)
     host_makefile_frag="config/mh-mingw"
     ;;
-  *-interix*)
-    host_makefile_frag="config/mh-interix"
-    ;;
   hppa*-hp-hpux10*)
     host_makefile_frag="config/mh-pa-hpux10"
     ;;
@@ -4882,7 +4980,7 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_cc_gcc_supports_ada" >&5
 $as_echo "$acx_cv_cc_gcc_supports_ada" >&6; }
 
-if test x$GNATBIND != xno && test x$GNATMAKE != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then
+if test "x$GNATBIND" != xno && test "x$GNATMAKE" != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then
   have_gnat=yes
 else
   have_gnat=no
@@ -4913,11 +5011,58 @@ else
   rm t1 t2
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_prog_cmp_skip" >&5
-$as_echo "$gcc_cv_prog_cmp_skip" >&6; }
-do_compare="$gcc_cv_prog_cmp_skip"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_prog_cmp_skip" >&5
+$as_echo "$gcc_cv_prog_cmp_skip" >&6; }
+do_compare="$gcc_cv_prog_cmp_skip"
+
+
+
+# Check whether --enable-bootstrap was given.
+if test "${enable_bootstrap+set}" = set; then :
+  enableval=$enable_bootstrap;
+else
+  enable_bootstrap=default
+fi
+
+
+# Issue errors and warnings for invalid/strange bootstrap combinations.
+if test -r $srcdir/gcc/configure; then
+  have_compiler=yes
+else
+  have_compiler=no
+fi
+
+case "$have_compiler:$host:$target:$enable_bootstrap" in
+  *:*:*:no) ;;
+
+  # Default behavior.  Enable bootstrap if we have a compiler
+  # and we are in a native configuration.
+  yes:$build:$build:default)
+    enable_bootstrap=yes ;;
+
+  *:*:*:default)
+    enable_bootstrap=no ;;
+
+  # We have a compiler and we are in a native configuration, bootstrap is ok
+  yes:$build:$build:yes)
+    ;;
+
+  # Other configurations, but we have a compiler.  Assume the user knows
+  # what he's doing.
+  yes:*:*:yes)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: trying to bootstrap a cross compiler" >&5
+$as_echo "$as_me: WARNING: trying to bootstrap a cross compiler" >&2;}
+    ;;
 
+  # No compiler: if they passed --enable-bootstrap explicitly, fail
+  no:*:*:yes)
+    as_fn_error "cannot bootstrap without a compiler" "$LINENO" 5 ;;
 
+  # Fail if wrong command line
+  *)
+    as_fn_error "invalid option for --enable-bootstrap" "$LINENO" 5
+    ;;
+esac
 
 # See if we are building gcc with C++.
 # Check whether --enable-build-with-cxx was given.
@@ -4928,6 +5073,15 @@ else
 fi
 
 
+# Build stage1 with C and build stages 2 and 3 with C++.
+# Check whether --enable-build-poststage1-with-cxx was given.
+if test "${enable_build_poststage1_with_cxx+set}" = set; then :
+  enableval=$enable_build_poststage1_with_cxx; ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval
+else
+  ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes
+fi
+
+
 # Used for setting $lt_cv_objdir
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5
 $as_echo_n "checking for objdir... " >&6; }
@@ -5949,7 +6103,7 @@ fi
 target_elf=no
 case $target in
   *-darwin* | *-aix* | *-cygwin* | *-mingw* | *-aout* | *-*coff* | \
-  *-msdosdjgpp* | *-netware* | *-vms* | *-wince* | *-*-pe* | \
+  *-msdosdjgpp* | *-vms* | *-wince* | *-*-pe* | \
   alpha*-dec-osf* | *-interix* | hppa[12]*-*-hpux*)
     target_elf=no
     ;;
@@ -5965,7 +6119,7 @@ if test $target_elf = yes; then :
 else
   if test x"$default_enable_lto" = x"yes" ; then
     case $target in
-      *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
+      *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
       # On other non-ELF platforms, LTO has yet to be validated.
       *) enable_lto=no ;;
     esac
@@ -6032,6 +6186,19 @@ if test -d ${srcdir}/gcc; then
       ;;
   esac
 
+  # If bootstrapping, then using --enable-build-with-cxx or
+  # --enable-build-poststage1-with-cxx requires enabling C++.
+  case ",$enable_languages,:,$ENABLE_BUILD_WITH_CXX,$ENABLE_BUILD_POSTSTAGE1_WITH_CXX,:$enable_bootstrap" in
+    *,c++,*:*:*) ;;
+    *:*,yes,*:yes)
+      if test -f ${srcdir}/gcc/cp/config-lang.in; then
+        enable_languages="${enable_languages},c++"
+      else
+        as_fn_error "bootstrapping with --enable-build-with-cxx or --enable-build-poststage1-with-cxx requires c++ sources" "$LINENO" 5
+      fi
+      ;;
+  esac
+
   # First scan to see if an enabled language requires some other language.
   # We assume that a given config-lang.in will list all the language
   # front ends it requires, even if some are required indirectly.
@@ -6121,9 +6288,11 @@ if test -d ${srcdir}/gcc; then
           exit 1
         fi
 
-	if test "$language" = "c++" \
-	   && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
-	  boot_language=yes
+	if test "$language" = "c++"; then
+	  if test "$ENABLE_BUILD_WITH_CXX" = "yes" \
+	     || test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
+	    boot_language=yes
+	  fi
 	fi
 
         case ,${enable_languages}, in
@@ -6305,6 +6474,14 @@ case ,${enable_languages},:${enable_objc_gc} in
     ;;
 esac
 
+# Disable libitm if we're not building C++
+case ,${enable_languages}, in
+  *,c++,*) ;;
+  *)
+    noconfigdirs="$noconfigdirs target-libitm"
+    ;;
+esac
+
 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
 # $build_configdirs and $target_configdirs.
 # If we have the source for $noconfigdirs entries, add them to $notsupp.
@@ -6344,27 +6521,6 @@ for dir in . $skipdirs $noconfigdirs ; do
   fi
 done
 
-# Sometimes the tools are distributed with libiberty but with no other
-# libraries.  In that case, we don't want to build target-libiberty.
-# Don't let libgcc imply libiberty either.
-if test -n "${target_configdirs}" ; then
-  libgcc=
-  others=
-  for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
-    if test "$i" = "libgcc"; then
-      libgcc=target-libgcc
-    elif test "$i" != "libiberty" ; then
-      if test -r $srcdir/$i/configure ; then
-	others=yes;
-	break;
-      fi
-    fi
-  done
-  if test -z "${others}" ; then
-    target_configdirs=$libgcc
-  fi
-fi
-
 # Quietly strip out all directories which aren't configurable in this tree.
 # This relies on all configurable subdirectories being autoconfiscated, which
 # is now the case.
@@ -6543,6 +6699,8 @@ if test "x$CXXFLAGS_FOR_TARGET" = x; then
 fi
 
 
+
+
 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 # the named directory are copied to $(tooldir)/sys-include.
 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
@@ -6690,10 +6848,6 @@ case "${target}" in
     extra_arflags_for_target=" -X32_64"
     extra_nmflags_for_target=" -B -X32_64"
     ;;
-  *-*-darwin[3-9]*)
-    # ranlib before Darwin10 requires the -c flag to look at common symbols.
-    extra_ranlibflags_for_target=" -c"
-    ;;
 esac
 
 alphaieee_frag=/dev/null
@@ -6738,14 +6892,6 @@ if test x${with_stabs} = x ; then
   esac
 fi
 
-# hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
-# them automatically.
-case "${host}" in
-  hppa*64*-*-hpux11*)
-    extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
-    ;;
-esac
-
 # Some systems (e.g., one of the i386-aix systems the gas testers are
 # using) don't handle "\$" correctly, so don't use it here.
 tooldir='${exec_prefix}'/${target_noncanonical}
@@ -6789,34 +6935,6 @@ case $we_are_ok in
 esac
 rm -f conftest*
 
-# The Solaris /usr/ucb/cc compiler does not appear to work.
-case "${host}" in
-  sparc-sun-solaris2*)
-      CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
-      if test "`type $CCBASE | sed 's/^[^/]*//'`" = "/usr/ucb/cc" ; then
-          could_use=
-          test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
-          if test -d /opt/cygnus/bin ; then
-              if test "$could_use" = "" ; then
-                  could_use="/opt/cygnus/bin"
-              else
-                  could_use="$could_use or /opt/cygnus/bin"
-              fi
-          fi
-        if test "$could_use" = "" ; then
-            echo "Warning: compilation may fail because you're using"
-            echo "/usr/ucb/cc.  You should change your PATH or CC "
-            echo "variable and rerun configure."
-        else
-            echo "Warning: compilation may fail because you're using"
-            echo "/usr/ucb/cc, when you should use the C compiler from"
-            echo "$could_use.  You should change your"
-            echo "PATH or CC variable and rerun configure."
-        fi
-      fi
-  ;;
-esac
-
 # Decide which environment variable is used to find dynamic libraries.
 case "${host}" in
   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
@@ -6886,59 +7004,6 @@ INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
 # 99 commands in a script, for HP-UX sed.
 # Do not nest @if/@endif pairs, because configure will not warn you at all.
 
-# Check whether --enable-bootstrap was given.
-if test "${enable_bootstrap+set}" = set; then :
-  enableval=$enable_bootstrap;
-else
-  enable_bootstrap=default
-fi
-
-
-# Issue errors and warnings for invalid/strange bootstrap combinations.
-case "$configdirs" in
-  *gcc*) have_compiler=yes ;;
-  *) have_compiler=no ;;
-esac
-
-case "$have_compiler:$host:$target:$enable_bootstrap" in
-  *:*:*:no) ;;
-
-  # Default behavior.  Enable bootstrap if we have a compiler
-  # and we are in a native configuration.
-  yes:$build:$build:default)
-    enable_bootstrap=yes ;;
-
-  *:*:*:default)
-    enable_bootstrap=no ;;
-
-  # We have a compiler and we are in a native configuration, bootstrap is ok
-  yes:$build:$build:yes)
-    ;;
-
-  # Other configurations, but we have a compiler.  Assume the user knows
-  # what he's doing.
-  yes:*:*:yes)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: trying to bootstrap a cross compiler" >&5
-$as_echo "$as_me: WARNING: trying to bootstrap a cross compiler" >&2;}
-    ;;
-
-  # No compiler: if they passed --enable-bootstrap explicitly, fail
-  no:*:*:yes)
-    as_fn_error "cannot bootstrap without a compiler" "$LINENO" 5 ;;
-
-  # Fail if wrong command line
-  *)
-    as_fn_error "invalid option for --enable-bootstrap" "$LINENO" 5
-    ;;
-esac
-
-case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
-  *,c++,*:yes:yes) ;;
-  *:yes:yes)
-    as_fn_error "bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages" "$LINENO" 5
-    ;;
-esac
-
 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
   yes:yes:*\ gold\ *:*,c++,*) ;;
   yes:yes:*\ gold\ *:*)
@@ -7520,7 +7585,6 @@ test -n "$YACC" || YACC="$MISSING bison -y"
 
 case " $build_configdirs " in
   *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
-  *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
 esac
 
 for ac_prog in bison
@@ -9407,37 +9471,178 @@ fi
 
 
   fi
-  test -n "$ac_cv_prog_OBJCOPY" && break
+  test -n "$ac_cv_prog_OBJCOPY" && break
+done
+
+if test -z "$ac_cv_prog_OBJCOPY" ; then
+  set dummy objcopy
+  if test $build = $host ; then
+    OBJCOPY="$2"
+  else
+    OBJCOPY="${ncn_tool_prefix}$2"
+  fi
+fi
+
+
+
+if test -n "$OBJDUMP"; then
+  ac_cv_prog_OBJDUMP=$OBJDUMP
+elif test -n "$ac_cv_prog_OBJDUMP"; then
+  OBJDUMP=$ac_cv_prog_OBJDUMP
+fi
+
+if test -n "$ac_cv_prog_OBJDUMP"; then
+  for ncn_progname in objdump; do
+    # Extract the first word of "${ncn_progname}", so it can be a program name with args.
+set dummy ${ncn_progname}; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_OBJDUMP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$OBJDUMP"; then
+  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_OBJDUMP="${ncn_progname}"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+OBJDUMP=$ac_cv_prog_OBJDUMP
+if test -n "$OBJDUMP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
+$as_echo "$OBJDUMP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  done
+fi
+
+for ncn_progname in objdump; do
+  if test -n "$ncn_tool_prefix"; then
+    # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
+set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_OBJDUMP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$OBJDUMP"; then
+  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_OBJDUMP="${ncn_tool_prefix}${ncn_progname}"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+OBJDUMP=$ac_cv_prog_OBJDUMP
+if test -n "$OBJDUMP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
+$as_echo "$OBJDUMP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  fi
+  if test -z "$ac_cv_prog_OBJDUMP" && test $build = $host ; then
+    # Extract the first word of "${ncn_progname}", so it can be a program name with args.
+set dummy ${ncn_progname}; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_OBJDUMP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$OBJDUMP"; then
+  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_OBJDUMP="${ncn_progname}"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+OBJDUMP=$ac_cv_prog_OBJDUMP
+if test -n "$OBJDUMP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
+$as_echo "$OBJDUMP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  fi
+  test -n "$ac_cv_prog_OBJDUMP" && break
 done
 
-if test -z "$ac_cv_prog_OBJCOPY" ; then
-  set dummy objcopy
+if test -z "$ac_cv_prog_OBJDUMP" ; then
+  set dummy objdump
   if test $build = $host ; then
-    OBJCOPY="$2"
+    OBJDUMP="$2"
   else
-    OBJCOPY="${ncn_tool_prefix}$2"
+    OBJDUMP="${ncn_tool_prefix}$2"
   fi
 fi
 
 
 
-if test -n "$OBJDUMP"; then
-  ac_cv_prog_OBJDUMP=$OBJDUMP
-elif test -n "$ac_cv_prog_OBJDUMP"; then
-  OBJDUMP=$ac_cv_prog_OBJDUMP
+if test -n "$READELF"; then
+  ac_cv_prog_READELF=$READELF
+elif test -n "$ac_cv_prog_READELF"; then
+  READELF=$ac_cv_prog_READELF
 fi
 
-if test -n "$ac_cv_prog_OBJDUMP"; then
-  for ncn_progname in objdump; do
+if test -n "$ac_cv_prog_READELF"; then
+  for ncn_progname in readelf; do
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_OBJDUMP+set}" = set; then :
+if test "${ac_cv_prog_READELF+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  if test -n "$OBJDUMP"; then
-  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
+  if test -n "$READELF"; then
+  ac_cv_prog_READELF="$READELF" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
@@ -9446,7 +9651,7 @@ do
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_OBJDUMP="${ncn_progname}"
+    ac_cv_prog_READELF="${ncn_progname}"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
@@ -9456,10 +9661,10 @@ IFS=$as_save_IFS
 
 fi
 fi
-OBJDUMP=$ac_cv_prog_OBJDUMP
-if test -n "$OBJDUMP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
-$as_echo "$OBJDUMP" >&6; }
+READELF=$ac_cv_prog_READELF
+if test -n "$READELF"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF" >&5
+$as_echo "$READELF" >&6; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
@@ -9469,17 +9674,17 @@ fi
   done
 fi
 
-for ncn_progname in objdump; do
+for ncn_progname in readelf; do
   if test -n "$ncn_tool_prefix"; then
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_OBJDUMP+set}" = set; then :
+if test "${ac_cv_prog_READELF+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  if test -n "$OBJDUMP"; then
-  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
+  if test -n "$READELF"; then
+  ac_cv_prog_READELF="$READELF" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
@@ -9488,7 +9693,7 @@ do
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_OBJDUMP="${ncn_tool_prefix}${ncn_progname}"
+    ac_cv_prog_READELF="${ncn_tool_prefix}${ncn_progname}"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
@@ -9498,10 +9703,10 @@ IFS=$as_save_IFS
 
 fi
 fi
-OBJDUMP=$ac_cv_prog_OBJDUMP
-if test -n "$OBJDUMP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
-$as_echo "$OBJDUMP" >&6; }
+READELF=$ac_cv_prog_READELF
+if test -n "$READELF"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF" >&5
+$as_echo "$READELF" >&6; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
@@ -9509,16 +9714,16 @@ fi
 
 
   fi
-  if test -z "$ac_cv_prog_OBJDUMP" && test $build = $host ; then
+  if test -z "$ac_cv_prog_READELF" && test $build = $host ; then
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_OBJDUMP+set}" = set; then :
+if test "${ac_cv_prog_READELF+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  if test -n "$OBJDUMP"; then
-  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
+  if test -n "$READELF"; then
+  ac_cv_prog_READELF="$READELF" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
@@ -9527,7 +9732,7 @@ do
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_OBJDUMP="${ncn_progname}"
+    ac_cv_prog_READELF="${ncn_progname}"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
@@ -9537,10 +9742,10 @@ IFS=$as_save_IFS
 
 fi
 fi
-OBJDUMP=$ac_cv_prog_OBJDUMP
-if test -n "$OBJDUMP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
-$as_echo "$OBJDUMP" >&6; }
+READELF=$ac_cv_prog_READELF
+if test -n "$READELF"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF" >&5
+$as_echo "$READELF" >&6; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
@@ -9548,15 +9753,15 @@ fi
 
 
   fi
-  test -n "$ac_cv_prog_OBJDUMP" && break
+  test -n "$ac_cv_prog_READELF" && break
 done
 
-if test -z "$ac_cv_prog_OBJDUMP" ; then
-  set dummy objdump
+if test -z "$ac_cv_prog_READELF" ; then
+  set dummy readelf
   if test $build = $host ; then
-    OBJDUMP="$2"
+    READELF="$2"
   else
-    OBJDUMP="${ncn_tool_prefix}$2"
+    READELF="${ncn_tool_prefix}$2"
   fi
 fi
 
@@ -12401,6 +12606,236 @@ fi
 
 
 
+if test -z "$ac_cv_path_READELF_FOR_TARGET" ; then
+  if test -n "$with_build_time_tools"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for readelf in $with_build_time_tools" >&5
+$as_echo_n "checking for readelf in $with_build_time_tools... " >&6; }
+    if test -x $with_build_time_tools/readelf; then
+      READELF_FOR_TARGET=`cd $with_build_time_tools && pwd`/readelf
+      ac_cv_path_READELF_FOR_TARGET=$READELF_FOR_TARGET
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_READELF_FOR_TARGET" >&5
+$as_echo "$ac_cv_path_READELF_FOR_TARGET" >&6; }
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+    fi
+  elif test $build != $host && test $have_gcc_for_target = yes; then
+    READELF_FOR_TARGET=`$GCC_FOR_TARGET --print-prog-name=readelf`
+    test $READELF_FOR_TARGET = readelf && READELF_FOR_TARGET=
+    test -n "$READELF_FOR_TARGET" && ac_cv_path_READELF_FOR_TARGET=$READELF_FOR_TARGET
+  fi
+fi
+if test -z "$ac_cv_path_READELF_FOR_TARGET" && test -n "$gcc_cv_tool_dirs"; then
+  # Extract the first word of "readelf", so it can be a program name with args.
+set dummy readelf; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_READELF_FOR_TARGET+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $READELF_FOR_TARGET in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_READELF_FOR_TARGET="$READELF_FOR_TARGET" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $gcc_cv_tool_dirs
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_READELF_FOR_TARGET="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+READELF_FOR_TARGET=$ac_cv_path_READELF_FOR_TARGET
+if test -n "$READELF_FOR_TARGET"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF_FOR_TARGET" >&5
+$as_echo "$READELF_FOR_TARGET" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_READELF_FOR_TARGET" ; then
+
+
+if test -n "$READELF_FOR_TARGET"; then
+  ac_cv_prog_READELF_FOR_TARGET=$READELF_FOR_TARGET
+elif test -n "$ac_cv_prog_READELF_FOR_TARGET"; then
+  READELF_FOR_TARGET=$ac_cv_prog_READELF_FOR_TARGET
+fi
+
+if test -n "$ac_cv_prog_READELF_FOR_TARGET"; then
+  for ncn_progname in readelf; do
+    # Extract the first word of "${ncn_progname}", so it can be a program name with args.
+set dummy ${ncn_progname}; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_READELF_FOR_TARGET+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$READELF_FOR_TARGET"; then
+  ac_cv_prog_READELF_FOR_TARGET="$READELF_FOR_TARGET" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_READELF_FOR_TARGET="${ncn_progname}"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+READELF_FOR_TARGET=$ac_cv_prog_READELF_FOR_TARGET
+if test -n "$READELF_FOR_TARGET"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF_FOR_TARGET" >&5
+$as_echo "$READELF_FOR_TARGET" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  done
+fi
+
+if test -z "$ac_cv_prog_READELF_FOR_TARGET" && test -n "$with_build_time_tools"; then
+  for ncn_progname in readelf; do
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ncn_progname} in $with_build_time_tools" >&5
+$as_echo_n "checking for ${ncn_progname} in $with_build_time_tools... " >&6; }
+    if test -x $with_build_time_tools/${ncn_progname}; then
+      ac_cv_prog_READELF_FOR_TARGET=$with_build_time_tools/${ncn_progname}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+      break
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+    fi
+  done
+fi
+
+if test -z "$ac_cv_prog_READELF_FOR_TARGET"; then
+  for ncn_progname in readelf; do
+    if test -n "$ncn_target_tool_prefix"; then
+      # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
+set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_READELF_FOR_TARGET+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$READELF_FOR_TARGET"; then
+  ac_cv_prog_READELF_FOR_TARGET="$READELF_FOR_TARGET" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_READELF_FOR_TARGET="${ncn_target_tool_prefix}${ncn_progname}"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+READELF_FOR_TARGET=$ac_cv_prog_READELF_FOR_TARGET
+if test -n "$READELF_FOR_TARGET"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF_FOR_TARGET" >&5
+$as_echo "$READELF_FOR_TARGET" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    fi
+    if test -z "$ac_cv_prog_READELF_FOR_TARGET" && test $build = $target ; then
+      # Extract the first word of "${ncn_progname}", so it can be a program name with args.
+set dummy ${ncn_progname}; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_READELF_FOR_TARGET+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$READELF_FOR_TARGET"; then
+  ac_cv_prog_READELF_FOR_TARGET="$READELF_FOR_TARGET" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_READELF_FOR_TARGET="${ncn_progname}"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+READELF_FOR_TARGET=$ac_cv_prog_READELF_FOR_TARGET
+if test -n "$READELF_FOR_TARGET"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF_FOR_TARGET" >&5
+$as_echo "$READELF_FOR_TARGET" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+    fi
+    test -n "$ac_cv_prog_READELF_FOR_TARGET" && break
+  done
+fi
+
+if test -z "$ac_cv_prog_READELF_FOR_TARGET" ; then
+  set dummy readelf
+  if test $build = $target ; then
+    READELF_FOR_TARGET="$2"
+  else
+    READELF_FOR_TARGET="${ncn_target_tool_prefix}$2"
+  fi
+else
+  READELF_FOR_TARGET="$ac_cv_prog_READELF_FOR_TARGET"
+fi
+
+else
+  READELF_FOR_TARGET=$ac_cv_path_READELF_FOR_TARGET
+fi
+
+
+
+
 if test -z "$ac_cv_path_STRIP_FOR_TARGET" ; then
   if test -n "$with_build_time_tools"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for strip in $with_build_time_tools" >&5
@@ -13725,6 +14160,48 @@ $as_echo "pre-installed" >&6; }
   fi
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking where to find the target readelf" >&5
+$as_echo_n "checking where to find the target readelf... " >&6; }
+if test "x${build}" != "x${host}" ; then
+  if expr "x$READELF_FOR_TARGET" : "x/" > /dev/null; then
+    # We already found the complete path
+    ac_dir=`dirname $READELF_FOR_TARGET`
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: pre-installed in $ac_dir" >&5
+$as_echo "pre-installed in $ac_dir" >&6; }
+  else
+    # Canadian cross, just use what we found
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: pre-installed" >&5
+$as_echo "pre-installed" >&6; }
+  fi
+else
+  ok=yes
+  case " ${configdirs} " in
+    *" binutils "*) ;;
+    *) ok=no ;;
+  esac
+
+  if test $ok = yes; then
+    # An in-tree tool is available and we can use it
+    READELF_FOR_TARGET='$$r/$(HOST_SUBDIR)/binutils/readelf'
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: just compiled" >&5
+$as_echo "just compiled" >&6; }
+  elif expr "x$READELF_FOR_TARGET" : "x/" > /dev/null; then
+    # We already found the complete path
+    ac_dir=`dirname $READELF_FOR_TARGET`
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: pre-installed in $ac_dir" >&5
+$as_echo "pre-installed in $ac_dir" >&6; }
+  elif test "x$target" = "x$host"; then
+    # We can use an host tool
+    READELF_FOR_TARGET='$(READELF)'
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: host tool" >&5
+$as_echo "host tool" >&6; }
+  else
+    # We need a cross tool
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: pre-installed" >&5
+$as_echo "pre-installed" >&6; }
+  fi
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking where to find the target strip" >&5
 $as_echo_n "checking where to find the target strip... " >&6; }
 if test "x${build}" != "x${host}" ; then
@@ -13986,6 +14463,15 @@ case ${enable_werror} in
 esac
 
 
+# If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass
+# --enable-build-with-cxx after stage1.
+if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
+  POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx
+else
+  POSTSTAGE1_CONFIGURE_FLAGS=
+fi
+
+
 # Specify what files to not compare during bootstrap.
 
 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"