[deliverable/binutils-gdb.git] / configure

#! /bin/sh

# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.13 
# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
#
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.

# Defaults:
ac_help=
ac_default_prefix=/usr/local
# Any additions from configure.in:
ac_help="$ac_help
  --without-libbanshee   Don't build with libbanshee"
ac_help="$ac_help
  --enable-libada        Builds libada directory"
ac_help="$ac_help
  --with-gmp-dir=PATH     Specify source directory for GMP library"
ac_help="$ac_help
  --with-gmp=PATH         Specify directory for installed GMP library"
ac_help="$ac_help
  --enable-bootstrap     Enable bootstrapping [no]"
ac_help="$ac_help
  --enable-serial-[{host,target,build}-]configure
                          Force sequential configuration of
                          sub-packages for the host, target or build
			  machine, or all sub-packages"
ac_help="$ac_help
  --enable-maintainer-mode enable make rules and dependencies not useful
                          (and sometimes confusing) to the casual installer"
ac_help="$ac_help
  --enable-werror         enable -Werror in bootstrap stage2 and later"

# Initialize some variables set by options.
# The variables have the same names as the options, with
# dashes changed to underlines.
build=NONE
cache_file=./config.cache
exec_prefix=NONE
host=NONE
no_create=
nonopt=NONE
no_recursion=
prefix=NONE
program_prefix=NONE
program_suffix=NONE
program_transform_name=s,x,x,
silent=
site=
srcdir=
target=NONE
verbose=
x_includes=NONE
x_libraries=NONE
bindir='${exec_prefix}/bin'
sbindir='${exec_prefix}/sbin'
libexecdir='${exec_prefix}/libexec'
datadir='${prefix}/share'
sysconfdir='${prefix}/etc'
sharedstatedir='${prefix}/com'
localstatedir='${prefix}/var'
libdir='${exec_prefix}/lib'
includedir='${prefix}/include'
oldincludedir='/usr/include'
infodir='${prefix}/info'
mandir='${prefix}/man'

# Initialize some other variables.
subdirs=
MFLAGS= MAKEFLAGS=
SHELL=${CONFIG_SHELL-/bin/sh}
# Maximum number of lines to put in a shell here document.
ac_max_here_lines=12

ac_prev=
for ac_option
do

  # If the previous option needs an argument, assign it.
  if test -n "$ac_prev"; then
    eval "$ac_prev=\$ac_option"
    ac_prev=
    continue
  fi

  case "$ac_option" in
  -*=*) ac_optarg=`echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
  *) ac_optarg= ;;
  esac

  # Accept the important Cygnus configure options, so we can diagnose typos.

  case "$ac_option" in

  -bindir | --bindir | --bindi | --bind | --bin | --bi)
    ac_prev=bindir ;;
  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
    bindir="$ac_optarg" ;;

  -build | --build | --buil | --bui | --bu)
    ac_prev=build ;;
  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
    build="$ac_optarg" ;;

  -cache-file | --cache-file | --cache-fil | --cache-fi \
  | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
    ac_prev=cache_file ;;
  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
    cache_file="$ac_optarg" ;;

  -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
    ac_prev=datadir ;;
  -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
  | --da=*)
    datadir="$ac_optarg" ;;

  -disable-* | --disable-*)
    ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
    # Reject names that are not valid shell variable names.
    if test -n "`echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then
      { echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; }
    fi
    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
    eval "enable_${ac_feature}=no" ;;

  -enable-* | --enable-*)
    ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'`
    # Reject names that are not valid shell variable names.
    if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then
      { echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; }
    fi
    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
    case "$ac_option" in
      *=*) ;;
      *) ac_optarg=yes ;;
    esac
    eval "enable_${ac_feature}='$ac_optarg'" ;;

  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
  | --exec | --exe | --ex)
    ac_prev=exec_prefix ;;
  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
  | --exec=* | --exe=* | --ex=*)
    exec_prefix="$ac_optarg" ;;

  -gas | --gas | --ga | --g)
    # Obsolete; use --with-gas.
    with_gas=yes ;;

  -help | --help | --hel | --he)
    # Omit some internal or obsolete options to make the list less imposing.
    # This message is too long to be a string in the A/UX 3.1 sh.
    cat << EOF
Usage: configure [options] [host]
Options: [defaults in brackets after descriptions]
Configuration:
  --cache-file=FILE       cache test results in FILE
  --help                  print this message
  --no-create             do not create output files
  --quiet, --silent       do not print \`checking...' messages
  --version               print the version of autoconf that created configure
Directory and file names:
  --prefix=PREFIX         install architecture-independent files in PREFIX
                          [$ac_default_prefix]
  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
                          [same as prefix]
  --bindir=DIR            user executables in DIR [EPREFIX/bin]
  --sbindir=DIR           system admin executables in DIR [EPREFIX/sbin]
  --libexecdir=DIR        program executables in DIR [EPREFIX/libexec]
  --datadir=DIR           read-only architecture-independent data in DIR
                          [PREFIX/share]
  --sysconfdir=DIR        read-only single-machine data in DIR [PREFIX/etc]
  --sharedstatedir=DIR    modifiable architecture-independent data in DIR
                          [PREFIX/com]
  --localstatedir=DIR     modifiable single-machine data in DIR [PREFIX/var]
  --libdir=DIR            object code libraries in DIR [EPREFIX/lib]
  --includedir=DIR        C header files in DIR [PREFIX/include]
  --oldincludedir=DIR     C header files for non-gcc in DIR [/usr/include]
  --infodir=DIR           info documentation in DIR [PREFIX/info]
  --mandir=DIR            man documentation in DIR [PREFIX/man]
  --srcdir=DIR            find the sources in DIR [configure dir or ..]
  --program-prefix=PREFIX prepend PREFIX to installed program names
  --program-suffix=SUFFIX append SUFFIX to installed program names
  --program-transform-name=PROGRAM
                          run sed PROGRAM on installed program names
EOF
    cat << EOF
Host type:
  --build=BUILD           configure for building on BUILD [BUILD=HOST]
  --host=HOST             configure for HOST [guessed]
  --target=TARGET         configure for TARGET [TARGET=HOST]
Features and packages:
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
  --x-includes=DIR        X include files are in DIR
  --x-libraries=DIR       X library files are in DIR
EOF
    if test -n "$ac_help"; then
      echo "--enable and --with options recognized:$ac_help"
    fi
    exit 0 ;;

  -host | --host | --hos | --ho)
    ac_prev=host ;;
  -host=* | --host=* | --hos=* | --ho=*)
    host="$ac_optarg" ;;

  -includedir | --includedir | --includedi | --included | --include \
  | --includ | --inclu | --incl | --inc)
    ac_prev=includedir ;;
  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
  | --includ=* | --inclu=* | --incl=* | --inc=*)
    includedir="$ac_optarg" ;;

  -infodir | --infodir | --infodi | --infod | --info | --inf)
    ac_prev=infodir ;;
  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
    infodir="$ac_optarg" ;;

  -libdir | --libdir | --libdi | --libd)
    ac_prev=libdir ;;
  -libdir=* | --libdir=* | --libdi=* | --libd=*)
    libdir="$ac_optarg" ;;

  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
  | --libexe | --libex | --libe)
    ac_prev=libexecdir ;;
  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
  | --libexe=* | --libex=* | --libe=*)
    libexecdir="$ac_optarg" ;;

  -localstatedir | --localstatedir | --localstatedi | --localstated \
  | --localstate | --localstat | --localsta | --localst \
  | --locals | --local | --loca | --loc | --lo)
    ac_prev=localstatedir ;;
  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
  | --localstate=* | --localstat=* | --localsta=* | --localst=* \
  | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
    localstatedir="$ac_optarg" ;;

  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
    ac_prev=mandir ;;
  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
    mandir="$ac_optarg" ;;

  -nfp | --nfp | --nf)
    # Obsolete; use --without-fp.
    with_fp=no ;;

  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
  | --no-cr | --no-c)
    no_create=yes ;;

  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
    no_recursion=yes ;;

  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
  | --oldin | --oldi | --old | --ol | --o)
    ac_prev=oldincludedir ;;
  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
    oldincludedir="$ac_optarg" ;;

  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
    ac_prev=prefix ;;
  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
    prefix="$ac_optarg" ;;

  -program-prefix | --program-prefix | --program-prefi | --program-pref \
  | --program-pre | --program-pr | --program-p)
    ac_prev=program_prefix ;;
  -program-prefix=* | --program-prefix=* | --program-prefi=* \
  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
    program_prefix="$ac_optarg" ;;

  -program-suffix | --program-suffix | --program-suffi | --program-suff \
  | --program-suf | --program-su | --program-s)
    ac_prev=program_suffix ;;
  -program-suffix=* | --program-suffix=* | --program-suffi=* \
  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
    program_suffix="$ac_optarg" ;;

  -program-transform-name | --program-transform-name \
  | --program-transform-nam | --program-transform-na \
  | --program-transform-n | --program-transform- \
  | --program-transform | --program-transfor \
  | --program-transfo | --program-transf \
  | --program-trans | --program-tran \
  | --progr-tra | --program-tr | --program-t)
    ac_prev=program_transform_name ;;
  -program-transform-name=* | --program-transform-name=* \
  | --program-transform-nam=* | --program-transform-na=* \
  | --program-transform-n=* | --program-transform-=* \
  | --program-transform=* | --program-transfor=* \
  | --program-transfo=* | --program-transf=* \
  | --program-trans=* | --program-tran=* \
  | --progr-tra=* | --program-tr=* | --program-t=*)
    program_transform_name="$ac_optarg" ;;

  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
  | -silent | --silent | --silen | --sile | --sil)
    silent=yes ;;

  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
    ac_prev=sbindir ;;
  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
  | --sbi=* | --sb=*)
    sbindir="$ac_optarg" ;;

  -sharedstatedir | --sharedstatedir | --sharedstatedi \
  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
  | --sharedst | --shareds | --shared | --share | --shar \
  | --sha | --sh)
    ac_prev=sharedstatedir ;;
  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
  | --sha=* | --sh=*)
    sharedstatedir="$ac_optarg" ;;

  -site | --site | --sit)
    ac_prev=site ;;
  -site=* | --site=* | --sit=*)
    site="$ac_optarg" ;;

  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
    ac_prev=srcdir ;;
  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
    srcdir="$ac_optarg" ;;

  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
  | --syscon | --sysco | --sysc | --sys | --sy)
    ac_prev=sysconfdir ;;
  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
    sysconfdir="$ac_optarg" ;;

  -target | --target | --targe | --targ | --tar | --ta | --t)
    ac_prev=target ;;
  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
    target="$ac_optarg" ;;

  -v | -verbose | --verbose | --verbos | --verbo | --verb)
    verbose=yes ;;

  -version | --version | --versio | --versi | --vers)
    echo "configure generated by autoconf version 2.13"
    exit 0 ;;

  -with-* | --with-*)
    ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
    # Reject names that are not valid shell variable names.
    if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then
      { echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
    fi
    ac_package=`echo $ac_package| sed 's/-/_/g'`
    case "$ac_option" in
      *=*) ;;
      *) ac_optarg=yes ;;
    esac
    eval "with_${ac_package}='$ac_optarg'" ;;

  -without-* | --without-*)
    ac_package=`echo $ac_option|sed -e 's/-*without-//'`
    # Reject names that are not valid shell variable names.
    if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then
      { echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
    fi
    ac_package=`echo $ac_package| sed 's/-/_/g'`
    eval "with_${ac_package}=no" ;;

  --x)
    # Obsolete; use --with-x.
    with_x=yes ;;

  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
  | --x-incl | --x-inc | --x-in | --x-i)
    ac_prev=x_includes ;;
  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
    x_includes="$ac_optarg" ;;

  -x-libraries | --x-libraries | --x-librarie | --x-librari \
  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
    ac_prev=x_libraries ;;
  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
    x_libraries="$ac_optarg" ;;

  -*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; }
    ;;

  *)
    if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
      echo "configure: warning: $ac_option: invalid host type" 1>&2
    fi
    if test "x$nonopt" != xNONE; then
      { echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; }
    fi
    nonopt="$ac_option"
    ;;

  esac
done

if test -n "$ac_prev"; then
  { echo "configure: error: missing argument to --`echo $ac_prev | sed 's/_/-/g'`" 1>&2; exit 1; }
fi

trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15

# File descriptor usage:
# 0 standard input
# 1 file creation
# 2 errors and warnings
# 3 some systems may open it to /dev/tty
# 4 used on the Kubota Titan
# 6 checking for... messages and results
# 5 compiler messages saved in config.log
if test "$silent" = yes; then
  exec 6>/dev/null
else
  exec 6>&1
fi
exec 5>./config.log

echo "\
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
" 1>&5

# Strip out --no-create and --no-recursion so they do not pile up.
# Also quote any args containing shell metacharacters.
ac_configure_args=
for ac_arg
do
  case "$ac_arg" in
  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
  | --no-cr | --no-c) ;;
  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) ;;
  *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
  ac_configure_args="$ac_configure_args '$ac_arg'" ;;
  *) ac_configure_args="$ac_configure_args $ac_arg" ;;
  esac
done

# NLS nuisances.
# Only set these to C if already set.  These must not be set unconditionally
# because not all systems understand e.g. LANG=C (notably SCO).
# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
# Non-C LC_CTYPE values break the ctype check.
if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi

# confdefs.h avoids OS command line length limits that DEFS can exceed.
rm -rf conftest* confdefs.h
# AIX cpp loses on an empty file, so make sure it contains at least a newline.
echo > confdefs.h

# A filename unique to this package, relative to the directory that
# configure is in, which we can look for to find out if srcdir is correct.
ac_unique_file=move-if-change

# Find the source files, if location was not specified.
if test -z "$srcdir"; then
  ac_srcdir_defaulted=yes
  # Try the directory containing this script, then its parent.
  ac_prog=$0
  ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
  test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
  srcdir=$ac_confdir
  if test ! -r $srcdir/$ac_unique_file; then
    srcdir=..
  fi
else
  ac_srcdir_defaulted=no
fi
if test ! -r $srcdir/$ac_unique_file; then
  if test "$ac_srcdir_defaulted" = yes; then
    { echo "configure: error: can not find sources in $ac_confdir or .." 1>&2; exit 1; }
  else
    { echo "configure: error: can not find sources in $srcdir" 1>&2; exit 1; }
  fi
fi
srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`

# Prefer explicitly selected file to automatically selected ones.
if test -z "$CONFIG_SITE"; then
  if test "x$prefix" != xNONE; then
    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
  else
    CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
  fi
fi
for ac_site_file in $CONFIG_SITE; do
  if test -r "$ac_site_file"; then
    echo "loading site script $ac_site_file"
    . "$ac_site_file"
  fi
done

if test -r "$cache_file"; then
  echo "loading cache $cache_file"
  . $cache_file
else
  echo "creating cache $cache_file"
  > $cache_file
fi

ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cc_cross

ac_exeext=
ac_objext=o
if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
  # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
  if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
    ac_n= ac_c='
' ac_t='	'
  else
    ac_n=-n ac_c= ac_t=
  fi
else
  ac_n= ac_c='\c' ac_t=
fi


ac_aux_dir=
for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
  if test -f $ac_dir/install-sh; then
    ac_aux_dir=$ac_dir
    ac_install_sh="$ac_aux_dir/install-sh -c"
    break
  elif test -f $ac_dir/install.sh; then
    ac_aux_dir=$ac_dir
    ac_install_sh="$ac_aux_dir/install.sh -c"
    break
  fi
done
if test -z "$ac_aux_dir"; then
  { echo "configure: error: can not find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." 1>&2; exit 1; }
fi
ac_config_guess=$ac_aux_dir/config.guess
ac_config_sub=$ac_aux_dir/config.sub
ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.


# Do some error checking and defaulting for the host and target type.
# The inputs are:
#    configure --host=HOST --target=TARGET --build=BUILD NONOPT
#
# The rules are:
# 1. You are not allowed to specify --host, --target, and nonopt at the
#    same time.
# 2. Host defaults to nonopt.
# 3. If nonopt is not specified, then host defaults to the current host,
#    as determined by config.guess.
# 4. Target and build default to nonopt.
# 5. If nonopt is not specified, then target and build default to host.

# The aliases save the names the user supplied, while $host etc.
# will get canonicalized.
case $host---$target---$nonopt in
NONE---*---* | *---NONE---* | *---*---NONE) ;;
*) { echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; } ;;
esac


# Make sure we can run config.sub.
if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
fi

echo $ac_n "checking host system type""... $ac_c" 1>&6
echo "configure:593: checking host system type" >&5

host_alias=$host
case "$host_alias" in
NONE)
  case $nonopt in
  NONE)
    if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
    else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
    fi ;;
  *) host_alias=$nonopt ;;
  esac ;;
esac

host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
echo "$ac_t""$host" 1>&6

echo $ac_n "checking target system type""... $ac_c" 1>&6
echo "configure:614: checking target system type" >&5

target_alias=$target
case "$target_alias" in
NONE)
  case $nonopt in
  NONE) target_alias=$host_alias ;;
  *) target_alias=$nonopt ;;
  esac ;;
esac

target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
echo "$ac_t""$target" 1>&6

echo $ac_n "checking build system type""... $ac_c" 1>&6
echo "configure:632: checking build system type" >&5

build_alias=$build
case "$build_alias" in
NONE)
  case $nonopt in
  NONE) build_alias=$host_alias ;;
  *) build_alias=$nonopt ;;
  esac ;;
esac

build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
echo "$ac_t""$build" 1>&6

test "$host_alias" != "$target_alias" &&
  test "$program_prefix$program_suffix$program_transform_name" = \
    NONENONEs,x,x, &&
  program_prefix=${target_alias}-

if test "$program_transform_name" = s,x,x,; then
  program_transform_name=
else
  # Double any \ or $.  echo might interpret backslashes.
  cat <<\EOF_SED > conftestsed
s,\\,\\\\,g; s,\$,$$,g
EOF_SED
  program_transform_name="`echo $program_transform_name|sed -f conftestsed`"
  rm -f conftestsed
fi
test "$program_prefix" != NONE &&
  program_transform_name="s,^,${program_prefix},; $program_transform_name"
# Use a double $ so make ignores it.
test "$program_suffix" != NONE &&
  program_transform_name="s,\$\$,${program_suffix},; $program_transform_name"

# sed with no file args requires a program.
test "$program_transform_name" = "" && program_transform_name="s,x,x,"


# Get 'install' or 'install-sh' and its variants.
# Find a good install program.  We prefer a C program (faster),
# so one script is as good as another.  But avoid the broken or
# incompatible versions:
# SysV /etc/install, /usr/sbin/install
# SunOS /usr/etc/install
# IRIX /sbin/install
# AIX /bin/install
# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
# AFS /usr/afsws/bin/install, which mishandles nonexistent args
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
echo "configure:687: checking for a BSD compatible install" >&5
if test -z "$INSTALL"; then
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
    IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS=":"
  for ac_dir in $PATH; do
    # Account for people who put trailing slashes in PATH elements.
    case "$ac_dir/" in
    /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
    *)
      # OSF1 and SCO ODT 3.0 have their own names for install.
      # Don't use installbsd from OSF since it installs stuff as root
      # by default.
      for ac_prog in ginstall scoinst install; do
        if test -f $ac_dir/$ac_prog; then
	  if test $ac_prog = install &&
            grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
	    # AIX install.  It has an incompatible calling convention.
	    :
	  else
	    ac_cv_path_install="$ac_dir/$ac_prog -c"
	    break 2
	  fi
	fi
      done
      ;;
    esac
  done
  IFS="$ac_save_IFS"

fi
  if test "${ac_cv_path_install+set}" = set; then
    INSTALL="$ac_cv_path_install"
  else
    # As a last resort, use the slow shell script.  We don't cache a
    # path for INSTALL within a source directory, because that will
    # break other packages using the cache if that directory is
    # removed, or if the path is relative.
    INSTALL="$ac_install_sh"
  fi
fi
echo "$ac_t""$INSTALL" 1>&6

# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
# It thinks the first close brace ends the variable substitution.
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'

test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'

test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'

echo $ac_n "checking whether ln works""... $ac_c" 1>&6
echo "configure:740: checking whether ln works" >&5
if eval "test \"`echo '$''{'acx_cv_prog_LN'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  rm -f conftestdata_t
echo >conftestdata_f
if ln conftestdata_f conftestdata_t 2>/dev/null
then
  acx_cv_prog_LN=ln
else
  acx_cv_prog_LN=no
fi
rm -f conftestdata_f conftestdata_t

fi
if test $acx_cv_prog_LN = no; then
  LN="cp"
  echo "$ac_t""no, using $LN" 1>&6
else
  LN="$acx_cv_prog_LN"
  echo "$ac_t""yes" 1>&6
fi

echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
echo "configure:764: checking whether ln -s works" >&5
if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  rm -f conftestdata
if ln -s X conftestdata 2>/dev/null
then
  rm -f conftestdata
  ac_cv_prog_LN_S="ln -s"
else
  ac_cv_prog_LN_S=ln
fi
fi
LN_S="$ac_cv_prog_LN_S"
if test "$ac_cv_prog_LN_S" = "ln -s"; then
  echo "$ac_t""yes" 1>&6
else
  echo "$ac_t""no" 1>&6
fi


### we might need to use some other shell than /bin/sh for running subshells
### If we are on Windows, search for the shell.  This will permit people
### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
### without also having to set CONFIG_SHELL.  This code will work when
### using bash, which sets OSTYPE.
case "${OSTYPE}" in
*win32*)
  if test x${CONFIG_SHELL} = x ; then
    if test ! -f /bin/sh ; then
      if test x${SHELL} != x && test -f ${SHELL} ; then
	CONFIG_SHELL=${SHELL}
	export CONFIG_SHELL
      else
	for prog in sh sh.exe bash bash.exe; do
	  IFS="${IFS=	}"; save_ifs="$IFS"; IFS="${IFS}:"
	  for dir in $PATH; do
	    test -z "$dir" && dir=.
	    if test -f $dir/$prog; then
	      CONFIG_SHELL=$dir/$prog
	      export CONFIG_SHELL
	      break
	    fi
	  done
	  IFS="$save_ifs"
	  test -n "${CONFIG_SHELL}" && break
	done
      fi
    fi
  fi
  ;;
esac

config_shell=${CONFIG_SHELL-/bin/sh}

progname=$0
# if PWD already has a value, it is probably wrong.
if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi

# Export original configure arguments for use by sub-configures.  These
# will be expanded by make, so quote '$'.
tmp="$progname $@"
sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
$tmp
EOF_SED
TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
rm -f conftestsed.out


moveifchange=${srcdir}/move-if-change

# Set srcdir to "." if that's what it is.
# This is important for multilib support.
pwd=`${PWDCMD-pwd}`
srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
if test "${pwd}" = "${srcpwd}" ; then
  srcdir=.
fi

topsrcdir=$srcpwd

extra_host_args=
# Define the trigger file to make sure configure will re-run whenever
# the gcc version number changes.
if test "${with_gcc_version_trigger+set}" = set ; then
  gcc_version_trigger="$with_gcc_version_trigger"
  gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
else
  # If gcc's sources are available, define the trigger file.
  if test -f ${topsrcdir}/gcc/version.c ; then
    gcc_version_trigger=${topsrcdir}/gcc/version.c
    gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
    case "$ac_configure_args" in
      *--with-gcc-version-trigger=$gcc_version_trigger* )
        ;;
      * )
        # Add to all subconfigure arguments: build, host, and target.
        ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
        ;;
    esac
  fi
fi

### To add a new directory to the tree, first choose whether it is a target
### or a host dependent tool.  Then put it into the appropriate list
### (library or tools, host or target), doing a dependency sort.

# Subdirs will be configured in the order listed in build_configdirs, 
# configdirs, or target_configdirs; see the serialization section below.

# Dependency sorting is only needed when *configuration* must be done in 
# a particular order.  In all cases a dependency should be specified in 
# the Makefile, whether or not it's implicitly specified here.

# Double entries in build_configdirs, configdirs, or target_configdirs may
# cause circular dependencies and break everything horribly.

# these libraries are used by various programs built for the host environment
#
host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib libbanshee libcpp"

# these tools are built for the host environment
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
# know that we are building the simulator.
# binutils, gas and ld appear in that order because it makes sense to run
# "make check" in that particular order.
host_tools="texinfo byacc flex bison binutils gas ld gcc 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"

# libgcj represents the runtime libraries only used by gcj.
libgcj="target-libffi \
	target-boehm-gc \
	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)
#
target_libraries="target-libiberty \
		target-libgloss \
		target-newlib \
		target-libstdc++-v3 \
		target-libmudflap \
		target-libgfortran \
		${libgcj} \
		target-libobjc \
		target-libada"

# these tools are built using the target libraries, and are intended to
# run only in the target environment
#
# note: any program that *uses* libraries that are in the "target_libraries"
# list belongs in this list.  those programs are also very likely
# candidates for the "native_only" list which follows
#
target_tools="target-examples target-groff target-gperf target-rda"

################################################################################

## All tools belong in one of the four categories, and are assigned above
## We assign ${configdirs} this way to remove all embedded newlines.  This
## is important because configure will choke if they ever get through.
## ${configdirs} is directories we build using the host tools.
## ${target_configdirs} is directories we build using the target tools.
#
configdirs=`echo ${host_libs} ${host_tools}`
target_configdirs=`echo ${target_libraries} ${target_tools}`

# Only make build modules if build != host.
# This should be done more generally, but at the moment it doesn't matter.
if test ${host_alias} != ${build_alias} ; then
  # This is the only build module.
  build_modules=libiberty
else
  build_modules=
fi


################################################################################

srcname="gnu development package"

# This gets set non-empty for some net releases of packages.
appdirs=""

# Define is_cross_compiler to save on calls to 'test'.
is_cross_compiler=
if test x"${host}" = x"${target}" ; then
  is_cross_compiler=no
else
  is_cross_compiler=yes
fi	

# Find the build and target subdir names.
 case ${build_alias} in
  "") build_noncanonical=${build} ;;
  *) build_noncanonical=${build_alias} ;;
esac

 case ${host_alias} in
  "") host_noncanonical=${build_noncanonical} ;;
  *) host_noncanonical=${host_alias} ;;
esac

 case ${target_alias} in
  "") target_noncanonical=${host_noncanonical} ;;
  *) target_noncanonical=${target_alias} ;;
esac

  # Prefix 'build-' so this never conflicts with target_subdir.
build_subdir="build-${build_noncanonical}"
# Not really a subdirectory, but here for completeness.
host_subdir=.
# No prefix.
target_subdir=${target_noncanonical}
   

# Skipdirs are removed silently.
skipdirs=
# Noconfigdirs are removed loudly.
noconfigdirs=""

use_gnu_ld=
# Make sure we don't let GNU ld be added if we didn't want it.
if test x$with_gnu_ld = xno ; then
  use_gnu_ld=no
  noconfigdirs="$noconfigdirs ld"
fi

use_gnu_as=
# Make sure we don't let GNU as be added if we didn't want it.
if test x$with_gnu_as = xno ; then
  use_gnu_as=no
  noconfigdirs="$noconfigdirs gas"
fi

# some tools are so dependent upon X11 that if we're not building with X, 
# it's not even worth trying to configure, much less build, that tool.

case ${with_x} in
  yes | "") ;; # the default value for this tree is that X11 is available
  no)
    skipdirs="${skipdirs} tk tix itcl libgui"
    # We won't be able to build gdbtk without X.
    enable_gdbtk=no 
    ;;
  *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
esac

# Some tools are only suitable for building in a "native" situation.
# Remove these if host!=target.  
native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"

# Similarly, some are only suitable for cross toolchains.
# Remove these if host=target.
cross_only="target-libgloss target-newlib target-opcodes"

case $is_cross_compiler in
  no) skipdirs="${skipdirs} ${cross_only}" ;;
  yes) skipdirs="${skipdirs} ${native_only}" ;;
esac

# If both --with-headers and --with-libs are specified, default to
# --without-newlib.
if test x"${with_headers}" != x && test x"${with_headers} != xno \
   && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
  if test x"${with_newlib}" = x ; then
    with_newlib=no
  fi
fi

# Recognize --with-newlib/--without-newlib.
case ${with_newlib} in
  no) skipdirs="${skipdirs} target-newlib" ;;
  yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
esac

# Configure extra directories which are host specific

case "${host}" in
  *-cygwin*)
    configdirs="$configdirs libtermcap" ;;
esac

# Remove more programs from consideration, based on the host or 
# target this usually means that a port of the program doesn't
# exist yet.

case "${host}" in
  hppa*64*-*-*)
    noconfigdirs="$noconfigdirs byacc"
    ;;
  i[3456789]86-*-vsta)
    noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
    ;;
  i[3456789]86-*-go32* | i[3456789]86-*-msdosdjgpp*)
    noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
    ;;
  i[3456789]86-*-mingw32*)
    # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
    noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
    ;;
  i[3456789]86-*-beos*)
    noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
    ;;
  *-*-cygwin*)
    noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
    ;;
  *-*-netbsd*)
    noconfigdirs="$noconfigdirs rcs"
    ;;
  ppc*-*-pe)
    noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
    ;;
  powerpc-*-beos*)
    noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
    ;;
  *-*-darwin*)
    noconfigdirs="$noconfigdirs tk itcl tix libgui"
    ;;
esac

# Check whether --with-libbanshee or --without-libbanshee was given.
if test "${with_libbanshee+set}" = set; then
  withval="$with_libbanshee"
  :
fi

case ${with_libbanshee} in
  no)
    noconfigdirs="$noconfigdirs libbanshee" ;;
  yes|"")
    with_libbanshee=yes
    ;;
  *)
    { echo "configure: error: --with-libbanshee can only be empty, "yes" or "no" (empty defaults to "yes"." 1>&2; exit 1; }
esac

# Check whether --enable-libada or --disable-libada was given.
if test "${enable_libada+set}" = set; then
  enableval="$enable_libada"
  ENABLE_LIBADA=$enableval
else
  ENABLE_LIBADA=yes
fi

if test "${ENABLE_LIBADA}" != "yes" ; then
  noconfigdirs="$noconfigdirs target-libada"
fi

# Save it here so that, even in case of --enable-libgcj, if the Java
# front-end isn't enabled, we still get libgcj disabled.
libgcj_saved=$libgcj
case $enable_libgcj in
yes)
  # If we reset it here, it won't get added to noconfigdirs in the
  # target-specific build rules, so it will be forcibly enabled
  # (unless the Java language itself isn't enabled).
  libgcj=
  ;;
no)
  # Make sure we get it printed in the list of not supported target libs.
  noconfigdirs="$noconfigdirs ${libgcj}"
  ;;
esac


# Allow --disable-libmudflap to exclude target-libmudflap
case $enable_libmudflap in
yes | "")
    # By default it's enabled
    ;;
no)
    noconfigdirs="$noconfigdirs target-libmudflap"
    ;;
esac


case "${target}" in
  *-*-chorusos)
    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
    ;;
  powerpc-*-darwin*)
    noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
    noconfigdirs="$noconfigdirs target-libobjc"
    ;;
  *-*-darwin*)
    noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
    noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
    ;;
  *-*-freebsd[12] | *-*-freebsd[12].* | *-*-freebsd*aout*)
    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
    ;;
  *-*-freebsd* | *-*-kfreebsd*-gnu)
    noconfigdirs="$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 "${target}" in
      i*86-*-*) ;;
      alpha*-*-*) ;;
      *)
	noconfigdirs="$noconfigdirs ${libgcj}"
	;;
    esac
    ;;
  *-*-kaos*)
    # Remove unsupported stuff on all kaOS configurations.
    skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
    skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
    skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
    noconfigdirs="$noconfigdirs target-libgloss"
    ;;
  *-*-netbsd*)
    # Skip some stuff on all NetBSD configurations.
    noconfigdirs="$noconfigdirs target-newlib target-libiberty 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-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
    ;;
  *-*-rtems*)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  *-*-uclinux*)
    noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
    ;;
  *-*-vxworks*)
    noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
    ;;
  alpha*-dec-osf*)
    # ld works, but does not support shared libraries.
    # newlib is not 64 bit ready.  I'm not sure about fileutils.
    # gas doesn't generate exception information.
    noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
    ;;
  alpha*-*-*vms*)
    noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
    ;;
  alpha*-*-linux*)
    # newlib is not 64 bit ready
    noconfigdirs="$noconfigdirs 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 ${libgcj} target-newlib target-libgloss"
    ;;    
  sh*-*-pe|mips*-*-pe|*arm-wince-pe)
    noconfigdirs="$noconfigdirs ${libgcj}"
    noconfigdirs="$noconfigdirs target-examples"
    noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
    noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
    noconfigdirs="$noconfigdirs expect dejagnu"
    # the C++ libraries don't build on top of CE's C libraries
    noconfigdirs="$noconfigdirs target-libstdc++-v3"
    noconfigdirs="$noconfigdirs target-newlib"
    case "${host}" in
      *-*-cygwin*) ;; # keep gdb and readline
      *) noconfigdirs="$noconfigdirs gdb readline"
	 ;;
    esac
    ;;
  arc-*-*)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  arm-*-coff | strongarm-*-coff | xscale-*-coff)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
    noconfigdirs="$noconfigdirs target-libffi target-qthreads"
    ;;
  arm-*-pe*)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  arm-*-oabi*)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  thumb-*-coff)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  thumb-*-elf)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  thumb-*-oabi)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  thumb-*-pe)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  arm-*-riscix*)
    noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
    ;;
  avr-*-*)
    noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
    ;;
  c4x-*-* | tic4x-*-*)
    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
    ;;
  c54x*-*-* | tic54x-*-*)
    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
    ;;
  cris-*-*)
    noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
    ;;
  d10v-*-*)
    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
    ;;
  d30v-*-*)
    noconfigdirs="$noconfigdirs ${libgcj} gdb"
    ;;
  fr30-*-elf*)
    noconfigdirs="$noconfigdirs ${libgcj} gdb"
    ;;
  frv-*-*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  h8300*-*-*)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  h8500-*-*)
    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
    ;;
  hppa*64*-*-linux* | parisc*64*-*-linux*)
    # In this case, it's because the hppa64-linux target is for
    # the kernel only at this point and has no libc, and thus no
    # headers, crt*.o, etc., all of which are needed by these.
    noconfigdirs="$noconfigdirs target-zlib"
    ;;
  hppa*-*-*elf* | \
  parisc*-*-linux* | hppa*-*-linux* | \
  hppa*-*-lites* | \
  hppa*-*-openbsd* | \
  hppa*64*-*-*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    # Do configure ld/binutils/gas for this case.
    ;;
  hppa*-*-*)
    # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
    # build on HP-UX 10.20.
    noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
    ;;
  i960-*-*)
    noconfigdirs="$noconfigdirs ${libgcj} gdb"
    ;;
  ia64*-*-elf*)
    # No gdb support yet.
    noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
    ;;
  ia64*-**-hpux*)
    # No gdb or ld support yet.
    noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
    ;;
  i[3456789]86-*-coff | i[3456789]86-*-elf)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  i[3456789]86-*-linux*)
    # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
    # not build java stuff by default.
    case "${target}" in
      *-*-*libc1*)
	noconfigdirs="$noconfigdirs ${libgcj}";;
    esac

    # 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="$noconfigdirs target-libgloss"
    # If we are not using a cross compiler, do configure newlib.
    # Note however, that newlib will only be configured in this situation
    # if the --with-newlib option has been given, because otherwise
    # 'target-newlib' will appear in skipdirs.
    ;;
  i[3456789]86-*-mingw32*)
    target_configdirs="$target_configdirs target-mingw"
    noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"

    # Can't build gdb for mingw32 if not native.
    case "${host}" in
      i[3456789]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
      *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
         ;;
    esac
    ;;    
  *-*-cygwin*)
    target_configdirs="$target_configdirs target-libtermcap target-winsup"
    noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
    # always build newlib if winsup directory is present.
    if test -d winsup
    then
      skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
    else
      echo "Warning: winsup is missing so newlib can't be built."
    fi

    # Can't build gdb for Cygwin if not native.
    case "${host}" in
      *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
      *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
         ;;
    esac
    ;;    
  i[3456789]86-*-pe)
    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
    ;;
  i[3456789]86-*-sco3.2v5*)
    # The linker does not yet know about weak symbols in COFF,
    # and is not configured to handle mixed ELF and COFF.
    noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
    ;;
  i[3456789]86-*-sco*)
    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
    ;;
  i[3456789]86-*-solaris2*)
    noconfigdirs="$noconfigdirs target-libgloss"
    ;;
  i[3456789]86-*-sysv4*)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  i[3456789]86-*-beos*)
    noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
    ;;
  m32r-*-*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
    noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
    ;;
  m68k-*-elf*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  m68k-*-coff*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  mcore-*-pe*)
  # The EPOC C++ environment does not support exceptions or rtti,
  # and so building libstdc++-v3 tends not to always work.
    noconfigdirs="$noconfigdirs target-libstdc++-v3"
    ;;
  mmix-*-*)
    noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
    ;;
  mn10200-*-*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  mn10300-*-*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  powerpc-*-aix*)
    # copied from rs6000-*-* entry
    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
    ;;
  powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
    target_configdirs="$target_configdirs target-winsup"
    noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
    # always build newlib.
    skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
    ;;
    # This is temporary until we can link against shared libraries
  powerpcle-*-solaris*)
    noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
    ;;
  powerpc-*-beos*)
    noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
    ;;
  powerpc-*-eabi)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  rs6000-*-lynxos*)
    noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
    ;;
  rs6000-*-aix*)
    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
    ;;
  rs6000-*-*)
    noconfigdirs="$noconfigdirs gprof ${libgcj}"
    ;;
  m68k-apollo-*)
    noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
    ;;
  mips*-*-irix5*)
    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
    ;;
  mips*-*-irix6*)
    # Linking libjava exceeds command-line length limits on at least
    # IRIX 6.2, but not on IRIX 6.5.
    # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
    # <oldham@codesourcery.com>
    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
    ;;
  mips*-dec-bsd*)
    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
    ;;
  mips*-*-bsd*)
    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
    ;;
  mipstx39-*-*)
    noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
    ;;
  mips64*-*-linux*)
    noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
    ;;
  mips*-*-linux*)
    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
    ;;
  mips*-*-*)
    noconfigdirs="$noconfigdirs gprof ${libgcj}"
    ;;
  romp-*-*)
    noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
    ;;
  sh-*-*)
    case "${host}" in
      i[3456789]86-*-vsta) ;; # don't add gprof back in
      i[3456789]86-*-go32*) ;; # don't add gprof back in
      i[3456789]86-*-msdosdjgpp*) ;; # don't add gprof back in
      *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
    esac
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  sh64-*-*)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  sparc-*-elf*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  sparc64-*-elf*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  sparclite-*-*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  sparc-*-sunos4*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    if test x${is_cross_compiler} != xno ; then
           noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
    else
           use_gnu_ld=no
    fi
    ;;
  sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
    ;;
  v810-*-*)
    noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
    ;;
  v850-*-*)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  v850e-*-*)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  v850ea-*-*)
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
    ;;
  vax-*-vms)
    noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
    ;;
  vax-*-*)
    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
    ;;
  xtensa-*-*)
    noconfigdirs="$noconfigdirs ${libgcj}"
    ;;
  ip2k-*-*)
    noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
    ;;
  *-*-linux*)
    noconfigdirs="$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
# depends upon some newlib header files.
case "${noconfigdirs}" in
  *target-libgloss*) ;;
  *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
esac

# Work in distributions that contain no compiler tools, like Autoconf.
tentative_cc=""
host_makefile_frag=/dev/null
if test -d ${srcdir}/config ; then
case "${host}" in
  m68k-hp-hpux*)
    # Avoid "too much defining" errors from HPUX compiler.
    tentative_cc="cc -Wp,-H256000"
    # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
    # If it's HP/UX ar, this should be harmless.
    RANLIB="ar ts"
    ;;
  m68k-apollo-sysv*)
    tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
    ;;
  m68k-apollo-bsd*)
    #None of the Apollo compilers can compile gas or binutils.  The preprocessor
    # chokes on bfd, the compiler won't let you assign integers to enums, and
    # other problems.  Defining CC to gcc is a questionable way to say "don't use
    # the apollo compiler" (the preferred version of GCC could be called cc,
    # or whatever), but I'm not sure leaving CC as cc is any better...
    #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
    # Used to have BISON=yacc.
    tentative_cc=gcc
    ;;
  m88k-dg-dgux*)
    tentative_cc="gcc -Wall -ansi -D__using_DGUX"
    ;;
  m88k-harris-cxux*)
    # Under CX/UX, we want to tell the compiler to use ANSI mode.
    tentative_cc="cc -Xa"
    host_makefile_frag="config/mh-cxux"
    ;;
  m88k-motorola-sysv*)
    ;;
  mips*-dec-ultrix*)
    tentative_cc="cc -Wf,-XNg1000"
    host_makefile_frag="config/mh-decstation"
    ;;
  mips*-nec-sysv4*)
    # The C compiler on NEC MIPS SVR4 needs bigger tables.
    tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
    host_makefile_frag="config/mh-necv4"
    ;;
  mips*-sgi-irix4*)
    # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
    # environment.  Also bump switch table size so that cp-parse will
    # compile.  Bump string length limit so linker builds.
    tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
    ;;
  mips*-*-sysv4*)
    host_makefile_frag="config/mh-sysv4"
    ;;
  mips*-*-sysv*)
    # This is for a MIPS running RISC/os 4.52C.

    # This is needed for GDB, but needs to be in the top-level make because
    # if a library is compiled with the bsd headers and gets linked with the
    # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
    # a different size).
    # ptrace(2) apparently has problems in the BSD environment.  No workaround is
    # known except to select the sysv environment.  Could we use /proc instead?
    # These "sysv environments" and "bsd environments" often end up being a pain.
    #
    # This is not part of CFLAGS because perhaps not all C compilers have this
    # option.
    tentative_cc="cc -systype sysv"
    ;;
  i370-ibm-opened*)
    tentative_cc="c89"
    ;;
  i[3456789]86-*-sysv5*)
    host_makefile_frag="config/mh-sysv5"
    ;;
  i[3456789]86-*-dgux*)
    tentative_cc="gcc -Wall -ansi -D__using_DGUX"
    host_makefile_frag="config/mh-dgux386"
    ;;
  i[3456789]86-ncr-sysv4.3*)
    # The MetaWare compiler will generate a copyright message unless you
    # turn it off by adding the -Hnocopyr flag.
    tentative_cc="cc -Hnocopyr"
    ;;
  i[3456789]86-ncr-sysv4*)
    # for an NCR 3000 (i486/SVR4) system.
    # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
    # This compiler not only emits obnoxious copyright messages every time
    # you run it, but it chokes and dies on a whole bunch of GNU source
    # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
    tentative_cc="/usr/ccs/ATT/cc"
    host_makefile_frag="config/mh-ncr3000"
    ;;
  i[3456789]86-*-sco3.2v5*)
    ;;
  i[3456789]86-*-sco*)
    # The native C compiler botches some simple uses of const.  Unfortunately,
    # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
    tentative_cc="cc -Dconst="
    host_makefile_frag="config/mh-sco"
    ;;
  i[3456789]86-*-udk*)
    host_makefile_frag="config/mh-sysv5"
    ;;
  i[3456789]86-*-solaris2*)
    host_makefile_frag="config/mh-sysv4"
    ;;
  i[3456789]86-*-msdosdjgpp*)
    host_makefile_frag="config/mh-djgpp"
    ;;
  *-cygwin*)
    host_makefile_frag="config/mh-cygwin"
    ;;
  *-mingw32*)
    host_makefile_frag="config/mh-mingw32"
    ;;
  *-interix*)
    host_makefile_frag="config/mh-interix"
    ;;
  vax-*-ultrix2*)
    # The old BSD pcc isn't up to compiling parts of gdb so use gcc
    tentative_cc=gcc
    ;;
  *-*-solaris2*)
    host_makefile_frag="config/mh-solaris"
    ;;
  m68k-sun-sunos*)
    # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
    # without overflowing the jump tables (-J says to use a 32 bit table)
    tentative_cc="cc -J"
    ;;
  *-hp-hpux*)
    tentative_cc="cc -Wp,-H256000"
    ;;
  *-*-hiux*)
    tentative_cc="cc -Wp,-H256000"
    ;;
  rs6000-*-lynxos*)
    # /bin/cc is less than useful for our purposes.  Always use GCC
    tentative_cc="/usr/cygnus/progressive/bin/gcc"
    host_makefile_frag="config/mh-lynxrs6k"
    ;;
  *-*-lynxos*)
    # /bin/cc is less than useful for our purposes.  Always use GCC
    tentative_cc="/bin/gcc"
    ;;
  *-*-sysv4*)
    host_makefile_frag="config/mh-sysv4"
    ;;
esac
fi

# If we aren't going to be using gcc, see if we can extract a definition
# of CC from the fragment.
# Actually, use the 'pre-extracted' version above.
if test -z "${CC}" && test "${build}" = "${host}" ; then
  IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
  found=
  for dir in $PATH; do
    test -z "$dir" && dir=.
    if test -f $dir/gcc; then
      found=yes
      break
    fi
  done
  IFS="$save_ifs"
  if test -z "${found}" && test -n "${tentative_cc}" ; then
    CC=$tentative_cc
  fi
fi

if test "${build}" != "${host}" ; then
  # If we are doing a Canadian Cross, in which the host and build systems
  # are not the same, we set reasonable default values for the tools.

  BISON=${BISON-bison}
  CC=${CC-${host_alias}-gcc}
  CFLAGS=${CFLAGS-"-g -O2"}
  CXX=${CXX-${host_alias}-c++}
  CXXFLAGS=${CXXFLAGS-"-g -O2"}
  CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
  CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
  CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
  GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
  GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
  BUILD_PREFIX=${build_alias}-
  BUILD_PREFIX_1=${build_alias}-
  MAKEINFO=${MAKEINFO-makeinfo}

  if test -z "${YACC}" ; then
    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
    for dir in $PATH; do
      test -z "$dir" && dir=.
      if test -f $dir/bison; then
	YACC="bison -y"
	break
      fi
      if test -f $dir/byacc; then
	YACC=byacc
	break
      fi
      if test -f $dir/yacc; then
	YACC=yacc
	break
      fi
    done
    IFS="$save_ifs"
    if test -z "${YACC}" ; then
      YACC="bison -y"
    fi
  fi

  if test -z "${LEX}" ; then
    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
    for dir in $PATH; do
      test -z "$dir" && dir=.
      if test -f $dir/flex; then
	LEX=flex
	break
      fi
      if test -f $dir/lex; then
	LEX=lex
	break
      fi
    done
    IFS="$save_ifs"
    LEX=${LEX-flex}
  fi

else
  # Set reasonable default values for some tools even if not Canadian.
  # Of course, these are different reasonable default values, originally
  # specified directly in the Makefile.
  # We don't export, so that autoconf can do its job.
  # Note that all these settings are above the fragment inclusion point
  # in Makefile.in, so can still be overridden by fragments.
  # This is all going to change when we autoconfiscate...

  BISON="\$(USUAL_BISON)"
  CC_FOR_BUILD="\$(CC)"
  GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
  BUILD_PREFIX=
  BUILD_PREFIX_1=loser-
  MAKEINFO="\$(USUAL_MAKEINFO)"
  LEX="\$(USUAL_LEX)"
  YACC="\$(USUAL_YACC)"

  # If CC is still not set, try to get gcc.
  cc_prog_is_gcc=
  if test -z "${CC}" ; then
    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
    for dir in $PATH; do
      test -z "$dir" && dir=.
      if test -f $dir/gcc; then
	CC="gcc"
	cc_prog_is_gcc=yes
	echo 'void f(){}' > conftest.c
	if test -z "`${CC} -g -c conftest.c 2>&1`"; then
	  CFLAGS=${CFLAGS-"-g -O2"}
	  CXXFLAGS=${CXXFLAGS-"-g -O2"}
	else
	  CFLAGS=${CFLAGS-"-O2"}
	  CXXFLAGS=${CXXFLAGS-"-O2"}
	fi
	rm -f conftest*
	break
      fi
    done
    IFS="$save_ifs"
    CC=${CC-cc}
  else
    # Determine if we are using gcc.
    cat > conftest.c <<EOF
#ifdef __GNUC__
  yes;
#endif
EOF
    if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
      cc_prog_is_gcc=yes
    fi
    rm -f conftest.c
    if test -z "${CFLAGS}"; then
      # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
      # is set to a version of gcc.
      if test "$cc_prog_is_gcc" = yes; then
	echo 'void f(){}' > conftest.c
	if test -z "`${CC} -g -c conftest.c 2>&1`"; then
	  CFLAGS=${CFLAGS-"-g -O2"}
	  CXXFLAGS=${CXXFLAGS-"-g -O2"}
	else
	  CFLAGS=${CFLAGS-"-O2"}
	  CXXFLAGS=${CXXFLAGS-"-O2"}
	fi
	rm -f conftest*
      fi
    fi
  fi

  # We must set the default linker to the linker used by gcc for the correct
  # operation of libtool.  If LD is not defined and we are using gcc, try to
  # set the LD default to the ld used by gcc.
  if test -z "$LD"; then
    if test "$cc_prog_is_gcc" = yes; then
      case $build in
      *-*-mingw*)
	gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
      *)
	gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
      esac
      case $gcc_prog_ld in
      # Accept absolute paths.
      [\\/]* | [A-Za-z]:[\\/]*)
        LD="$gcc_prog_ld" ;;
      esac
    fi
  fi

  CXX=${CXX-"c++"}
  CFLAGS=${CFLAGS-"-g"}
  CXXFLAGS=${CXXFLAGS-"-g -O2"}
fi

if test $host != $build; then
  ac_tool_prefix=${host_alias}-
else
  ac_tool_prefix=
fi

# Extract the first word of "gcc", so it can be a program name with args.
set dummy gcc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1896: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CC"; then
  ac_cv_prog_CC="$CC" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_CC="gcc"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CC="$ac_cv_prog_CC"
if test -n "$CC"; then
  echo "$ac_t""$CC" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

if test -z "$CC"; then
  # Extract the first word of "cc", so it can be a program name with args.
set dummy cc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1926: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CC"; then
  ac_cv_prog_CC="$CC" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_prog_rejected=no
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
	continue
      fi
      ac_cv_prog_CC="cc"
      break
    fi
  done
  IFS="$ac_save_ifs"
if test $ac_prog_rejected = yes; then
  # We found a bogon in the path, so make sure we never use it.
  set dummy $ac_cv_prog_CC
  shift
  if test $# -gt 0; then
    # We chose a different compiler from the bogus one.
    # However, it has the same basename, so the bogon will be chosen
    # first if we set CC to just the basename; use the full file name.
    shift
    set dummy "$ac_dir/$ac_word" "$@"
    shift
    ac_cv_prog_CC="$@"
  fi
fi
fi
fi
CC="$ac_cv_prog_CC"
if test -n "$CC"; then
  echo "$ac_t""$CC" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

  if test -z "$CC"; then
    case "`uname -s`" in
    *win32* | *WIN32*)
      # Extract the first word of "cl", so it can be a program name with args.
set dummy cl; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1977: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CC"; then
  ac_cv_prog_CC="$CC" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_CC="cl"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CC="$ac_cv_prog_CC"
if test -n "$CC"; then
  echo "$ac_t""$CC" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 ;;
    esac
  fi
  test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
fi

echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
echo "configure:2009: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5

ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cc_cross

cat > conftest.$ac_ext << EOF

#line 2020 "configure"
#include "confdefs.h"

main(){return(0);}
EOF
if { (eval echo configure:2025: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  ac_cv_prog_cc_works=yes
  # If we can't run a trivial program, we are probably using a cross compiler.
  if (./conftest; exit) 2>/dev/null; then
    ac_cv_prog_cc_cross=no
  else
    ac_cv_prog_cc_cross=yes
  fi
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  ac_cv_prog_cc_works=no
fi
rm -fr conftest*
ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
cross_compiling=$ac_cv_prog_cc_cross

echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
if test $ac_cv_prog_cc_works = no; then
  { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
fi
echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
echo "configure:2051: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
cross_compiling=$ac_cv_prog_cc_cross

echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
echo "configure:2056: checking whether we are using GNU C" >&5
if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.c <<EOF
#ifdef __GNUC__
  yes;
#endif
EOF
if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2065: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
  ac_cv_prog_gcc=yes
else
  ac_cv_prog_gcc=no
fi
fi

echo "$ac_t""$ac_cv_prog_gcc" 1>&6

if test $ac_cv_prog_gcc = yes; then
  GCC=yes
else
  GCC=
fi

ac_test_CFLAGS="${CFLAGS+set}"
ac_save_CFLAGS="$CFLAGS"
CFLAGS=
echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
echo "configure:2084: checking whether ${CC-cc} accepts -g" >&5
if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  echo 'void f(){}' > conftest.c
if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
  ac_cv_prog_cc_g=yes
else
  ac_cv_prog_cc_g=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
if test "$ac_test_CFLAGS" = set; then
  CFLAGS="$ac_save_CFLAGS"
elif test $ac_cv_prog_cc_g = yes; then
  if test "$GCC" = yes; then
    CFLAGS="-g -O2"
  else
    CFLAGS="-g"
  fi
else
  if test "$GCC" = yes; then
    CFLAGS="-O2"
  else
    CFLAGS=
  fi
fi


# Extract the first word of "${ac_tool_prefix}gnatbind", so it can be a program name with args.
set dummy ${ac_tool_prefix}gnatbind; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:2120: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$GNATBIND"; then
  ac_cv_prog_GNATBIND="$GNATBIND" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_GNATBIND="${ac_tool_prefix}gnatbind"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
GNATBIND="$ac_cv_prog_GNATBIND"
if test -n "$GNATBIND"; then
  echo "$ac_t""$GNATBIND" 1>&6
else
  echo "$ac_t""no" 1>&6
fi


if test -z "$ac_cv_prog_GNATBIND"; then
if test -n "$ac_tool_prefix"; then
  # Extract the first word of "gnatbind", so it can be a program name with args.
set dummy gnatbind; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:2152: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$GNATBIND"; then
  ac_cv_prog_GNATBIND="$GNATBIND" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_GNATBIND="gnatbind"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_GNATBIND" && ac_cv_prog_GNATBIND="no"
fi
fi
GNATBIND="$ac_cv_prog_GNATBIND"
if test -n "$GNATBIND"; then
  echo "$ac_t""$GNATBIND" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

else
  GNATBIND="no"
fi
fi

echo $ac_n "checking whether compiler driver understands Ada""... $ac_c" 1>&6
echo "configure:2185: checking whether compiler driver understands Ada" >&5
if eval "test \"`echo '$''{'acx_cv_cc_gcc_supports_ada'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat >conftest.adb <<EOF
procedure conftest is begin null; end conftest;
EOF
acx_cv_cc_gcc_supports_ada=no
# There is a bug in old released versions of GCC which causes the
# driver to exit successfully when the appropriate language module
# has not been installed.  This is fixed in 2.95.4, 3.0.2, and 3.1.
# Therefore we must check for the error message as well as an
# unsuccessful exit.
# Other compilers, like HP Tru64 UNIX cc, exit successfully when
# given a .adb file, but produce no object file.  So we must check
# if an object file was really produced to guard against this.
errors=`(${CC} -c conftest.adb) 2>&1 || echo failure`
if test x"$errors" = x && test -f conftest.$ac_objext; then
  acx_cv_cc_gcc_supports_ada=yes
  break
fi
rm -f conftest.*
fi

echo "$ac_t""$acx_cv_cc_gcc_supports_ada" 1>&6

if test x$GNATBIND != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then
  have_gnat=yes
else
  have_gnat=no
fi

echo $ac_n "checking how to compare bootstrapped objects""... $ac_c" 1>&6
echo "configure:2218: checking how to compare bootstrapped objects" >&5
if eval "test \"`echo '$''{'gcc_cv_prog_cmp_skip'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
   echo abfoo >t1
  echo cdfoo >t2
  gcc_cv_prog_cmp_skip='tail +16c $$f1 > tmp-foo1; tail +16c $$f2 > tmp-foo2; cmp tmp-foo1 tmp-foo2'
  if cmp t1 t2 2 2 > /dev/null 2>&1; then
    if cmp t1 t2 1 1 > /dev/null 2>&1; then
      :
    else
      gcc_cv_prog_cmp_skip='cmp $$f1 $$f2 16 16'
    fi
  fi
  if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
    if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
      :
    else
      gcc_cv_prog_cmp_skip='cmp --ignore-initial=16 $$f1 $$f2'
    fi
  fi
  rm t1 t2

fi

echo "$ac_t""$gcc_cv_prog_cmp_skip" 1>&6
do_compare="$gcc_cv_prog_cmp_skip"


# Check for GMP
gmplibs=
gmpinc=
have_gmp=yes
# Specify a location for gmp
# Check whether --with-gmp-dir or --without-gmp-dir was given.
if test "${with_gmp_dir+set}" = set; then
  withval="$with_gmp_dir"
  :
fi


if test "x$with_gmp_dir" != x && test -f "$with_gmp_dir/gmp.h"; then
  gmpinc="-I$with_gmp_dir"
  if test -f "$with_gmp_dir/.libs/libgmp.a"; then
    gmplibs="$with_gmp_dir/.libs/libgmp.a"
  elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
    gmplibs="$with_gmp_dir/_libs/libgmp.a"
  fi
  # One of the later tests will catch the error if neither library is present.
fi

# Check whether --with-gmp or --without-gmp was given.
if test "${with_gmp+set}" = set; then
  withval="$with_gmp"
  :
fi


if test "x$with_gmp" != x && test -d "$with_gmp"; then
  gmplibs="-L$with_gmp/lib -lgmp"
  gmpinc="-I$with_gmp/include"
fi

# Use system gmp if nothing else specified
if test "x$gmplibs" = x; then
  gmplibs="-lgmp"
fi

saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $gmpinc"
# Check GMP actually works
echo $ac_n "checking for correct version of gmp.h""... $ac_c" 1>&6
echo "configure:2291: checking for correct version of gmp.h" >&5
cat > conftest.$ac_ext <<EOF
#line 2293 "configure"
#include "confdefs.h"
#include "gmp.h"
int main() {

#if __GNU_MP_VERSION < 3
choke me
#endif

; return 0; }
EOF
if { (eval echo configure:2304: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&6
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  echo "$ac_t""no" 1>&6; have_gmp=no
fi
rm -f conftest*

if test x"$have_gmp" = xyes; then
  echo $ac_n "checking for mpf_init in -lgmp""... $ac_c" 1>&6
echo "configure:2317: checking for mpf_init in -lgmp" >&5

  saved_LIBS="$LIBS"
  LIBS="$LIBS $gmplibs"
  cat > conftest.$ac_ext <<EOF
#line 2322 "configure"
#include "confdefs.h"
#include <gmp.h>
int main() {
mpf_t n; mpf_init(n);
; return 0; }
EOF
if { (eval echo configure:2329: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  echo "$ac_t""yes" 1>&6
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  echo "$ac_t""no" 1>&6; have_gmp=no
fi
rm -f conftest*
  LIBS="$saved_LIBS"
  CFLAGS="$saved_CFLAGS"
fi


# By default, C is the only stage 1 language.
stage1_languages=c


# Figure out what language subdirectories are present.
# Look if the user specified --enable-languages="..."; if not, use
# the environment variable $LANGUAGES if defined. $LANGUAGES might
# go away some day.
# NB:  embedded tabs in this IF block -- do not untabify
if test -d ${srcdir}/gcc; then
  if test x"${enable_languages+set}" != xset; then
    if test x"${LANGUAGES+set}" = xset; then
      enable_languages="${LANGUAGES}"
        echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
    else
      enable_languages=all
    fi
  else
    if test x"${enable_languages}" = x ||
       test x"${enable_languages}" = xyes;
       then
      echo configure.in: --enable-languages needs at least one language argument 1>&2
      exit 1
    fi
  fi
  enable_languages=`echo "${enable_languages}" | sed -e 's/[ 	,][ 	,]*/,/g' -e 's/,$//'`

  # 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.
  for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
    case ${lang_frag} in
      ..) ;;
      # The odd quoting in the next line works around
      # an apparent bug in bash 1.12 on linux.
      ${srcdir}/gcc/[*]/config-lang.in) ;;
      *)
        # From the config-lang.in, get $language, $lang_requires
        language=
        lang_requires=
        . ${lang_frag}
        for other in ${lang_requires} ; do
          case ,${enable_languages}, in
	    *,$other,*) ;;
	    *,all,*) ;;
	    *,$language,*)
	      echo " \`$other' language required by \`$language'; enabling" 1>&2
	      enable_languages="${enable_languages},${other}"
	      ;;
	  esac
        done
        ;;
    esac
  done

  new_enable_languages=c
  missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `

  for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
    case ${lang_frag} in
      ..) ;;
      # The odd quoting in the next line works around
      # an apparent bug in bash 1.12 on linux.
      ${srcdir}/gcc/[*]/config-lang.in) ;;
      *)
        # From the config-lang.in, get $language, $target_libs, 
        # $lang_dirs, $boot_language, and $build_by_default
        language=
        target_libs=
        lang_dirs=
        boot_language=
        build_by_default=
	need_gmp=
        . ${lang_frag}
        # This is quite sensitive to the ordering of the case statement arms.
        case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
          *::*:*)
            echo "${lang_frag} doesn't set \$language." 1>&2
            exit 1
	    ;;
          *:ada:no:*)
            # Ada was requested with no preexisting GNAT.  Disable unconditionally.
            add_this_lang=no
            ;;
          *,${language},*:*:*:*)
            # Language was explicitly selected; include it.
            add_this_lang=yes
            ;;
          *,all,*:*:*:no)
            # 'all' was selected, but this is not a default language
	    # so do not include it.
            add_this_lang=no
	    ;;
          *,all,*:*:*:*)
            # 'all' was selected and this is a default language; include it.
            add_this_lang=yes
            ;;
          *)
            add_this_lang=no
            ;;
        esac

	# Disable language that need GMP if it isn't available.
	if test  x"$need_gmp" = xyes && test x"$have_gmp" = xno; then
	  add_this_lang=no
	fi
        
	case $add_this_lang in
	  no)
            # Remove language-dependent dirs.
            eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
	    ;;
          *)
	    new_enable_languages="$new_enable_languages,$language"
	    missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
	    case ${boot_language} in
	      yes)
		# Add to (comma-separated) list of stage 1 languages.
		stage1_languages="${stage1_languages},${language}"
		;;
	    esac
	    ;;
        esac
        ;;
    esac
  done

  missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
  if test "x$missing_languages" != x; then
    { echo "configure: error: 
The following requested languages were not found: ${missing_languages}" 1>&2; exit 1; }
  fi

  if test "x$new_enable_languages" != "x$enable_languages"; then
    echo The following languages will be built: ${new_enable_languages}
  fi
  enable_languages="$new_enable_languages"
  ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[^ ]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
fi

# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
# $target_configdirs.
# If we have the source for $noconfigdirs entries, add them to $notsupp.

notsupp=""
for dir in . $skipdirs $noconfigdirs ; do
  dirname=`echo $dir | sed -e s/target-//g`
  if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
    configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
    if test -r $srcdir/$dirname/configure ; then
      if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
	true
      else
	notsupp="$notsupp $dir"
      fi
    fi
  fi
  if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
    target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
    if test -r $srcdir/$dirname/configure ; then
      if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
	true
      else
	notsupp="$notsupp $dir"
      fi
    fi
  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.
if test -n "${target_configdirs}" ; then
  others=
  for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
    if test "$i" != "libiberty" ; then
      if test -r $srcdir/$i/configure ; then
	others=yes;
	break;
      fi
    fi
  done
  if test -z "${others}" ; then
    target_configdirs=
  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.
configdirs_all="$configdirs"
configdirs=
for i in ${configdirs_all} ; do
  if test -f ${srcdir}/$i/configure ; then
    configdirs="${configdirs} $i"
  fi
done
target_configdirs_all="$target_configdirs"
target_configdirs=
for i in ${target_configdirs_all} ; do
  j=`echo $i | sed -e s/target-//g` 
  if test -f ${srcdir}/$j/configure ; then
    target_configdirs="${target_configdirs} $i"
  fi
done

# Produce a warning message for the subdirs we can't configure.
# This isn't especially interesting in the Cygnus tree, but in the individual
# FSF releases, it's important to let people know when their machine isn't
# supported by the one or two programs in a package.

if test -n "${notsupp}" && test -z "${norecursion}" ; then
  # If $appdirs is non-empty, at least one of those directories must still
  # be configured, or we error out.  (E.g., if the gas release supports a
  # specified target in some subdirs but not the gas subdir, we shouldn't
  # pretend that all is well.)
  if test -n "$appdirs" ; then
    for dir in $appdirs ; do
      if test -r $dir/Makefile.in ; then
	if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
	  appdirs=""
	  break
	fi
	if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
	  appdirs=""
	  break
	fi
      fi
    done
    if test -n "$appdirs" ; then
      echo "*** This configuration is not supported by this package." 1>&2
      exit 1
    fi
  fi
  # Okay, some application will build, or we don't care to check.  Still
  # notify of subdirs not getting built.
  echo "*** This configuration is not supported in the following subdirectories:" 1>&2
  echo "    ${notsupp}" 1>&2
  echo "    (Any other directories should still work fine.)" 1>&2
fi

case "$host" in
  *msdosdjgpp*)
    enable_gdbtk=no ;;
esac

copy_dirs=

# 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"${with_headers}" != xno ; then
  if test x${is_cross_compiler} = xno ; then
    echo 1>&2 '***' --with-headers is only supported when cross compiling
    exit 1
  fi
  if test x"${with_headers}" != xyes ; then
    case "${exec_prefixoption}" in
    "") x=${prefix} ;;
    *) x=${exec_prefix} ;;
    esac
    copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
  fi
fi

# Handle --with-libs=XXX.  If the value is not "yes", the contents of
# the name directories are copied to $(tooldir)/lib.  Multiple directories
# are permitted.
if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
  if test x${is_cross_compiler} = xno ; then
    echo 1>&2 '***' --with-libs is only supported when cross compiling
    exit 1
  fi
  if test x"${with_libs}" != xyes ; then
    # Copy the libraries in reverse order, so that files in the first named
    # library override files in subsequent libraries.
    case "${exec_prefixoption}" in
    "") x=${prefix} ;;
    *) x=${exec_prefix} ;;
    esac
    for l in ${with_libs}; do
      copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
    done
  fi
fi

# Handle ${copy_dirs}
set fnord ${copy_dirs}
shift
while test $# != 0 ; do
  if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
    :
  else
    echo Copying $1 to $2

    # Use the install script to create the directory and all required
    # parent directories.
    if test -d $2 ; then
      :
    else
      echo >config.temp
      ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
    fi

    # Copy the directory, assuming we have tar.
    # FIXME: Should we use B in the second tar?  Not all systems support it.
    (cd $1; tar -cf - .) | (cd $2; tar -xpf -)

    # It is the responsibility of the user to correctly adjust all
    # symlinks.  If somebody can figure out how to handle them correctly
    # here, feel free to add the code.

    echo $1 > $2/COPIED
  fi
  shift; shift
done

extra_arflags_for_target=
extra_nmflags_for_target=
extra_ranlibflags_for_target=
target_makefile_frag=/dev/null
case "${target}" in
  i[3456789]86-*-netware*)
    target_makefile_frag="config/mt-netware"
    ;;
  powerpc-*-netware*)
    target_makefile_frag="config/mt-netware"
    ;;
  *-*-linux*)
    target_makefile_frag="config/mt-linux"
    ;;
  *-*-aix4.[3456789]* | *-*-aix[56789].*)
    # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 
    # commands to handle both 32-bit and 64-bit objects.  These flags are
    # harmless if we're using GNU nm or ar.
    extra_arflags_for_target=" -X32_64"
    extra_nmflags_for_target=" -B -X32_64"
    ;;
  *-*-darwin*)
    # ranlib from Darwin requires the -c flag to look at common symbols.
    extra_ranlibflags_for_target=" -c"
    ;;
  mips*-*-pe | sh*-*-pe | *arm-wince-pe)
    target_makefile_frag="config/mt-wince"
    ;;
esac

alphaieee_frag=/dev/null
case $target in
  alpha*-*-*)
    # This just makes sure to use the -mieee option to build target libs.
    # This should probably be set individually by each library.
    alphaieee_frag="config/mt-alphaieee"
    ;;
esac

# If --enable-target-optspace always use -Os instead of -O2 to build
# the target libraries, similarly if it is not specified, use -Os
# on selected platforms.
ospace_frag=/dev/null
case "${enable_target_optspace}:${target}" in
  yes:*)
    ospace_frag="config/mt-ospace"
    ;;
  :d30v-*)
    ospace_frag="config/mt-d30v"
    ;;
  :m32r-* | :d10v-* | :fr30-*)
    ospace_frag="config/mt-ospace"
    ;;
  no:* | :*)
    ;;
  *)
    echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
    ;;
esac

# Set with_gnu_as and with_gnu_ld as appropriate.
#
# This is done by determining whether or not the appropriate directory
# is available, and by checking whether or not specific configurations
# have requested that this magic not happen.
# 
# The command line options always override the explicit settings in 
# configure.in, and the settings in configure.in override this magic.
#
# If the default for a toolchain is to use GNU as and ld, and you don't 
# want to do that, then you should use the --without-gnu-as and
# --without-gnu-ld options for the configure script.

if test x${use_gnu_as} = x &&
   echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
  with_gnu_as=yes
  extra_host_args="$extra_host_args --with-gnu-as"
fi

if test x${use_gnu_ld} = x &&
   echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
  with_gnu_ld=yes
  extra_host_args="$extra_host_args --with-gnu-ld"
fi

# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
# can detect this case.

if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
  with_newlib=yes
  extra_host_args="$extra_host_args --with-newlib"
fi

if test x${with_libbanshee} = xyes && echo " ${configdirs} " | grep " libbanshee " >/dev/null 2>&1; then
  extra_host_args="$extra_host_args --with-libbanshee"
fi

# Default to using --with-stabs for certain targets.
if test x${with_stabs} = x ; then
  case "${target}" in
  mips*-*-irix[56]*)
    ;;
  mips*-*-* | alpha*-*-osf*)
    with_stabs=yes;
    extra_host_args="${extra_host_args} --with-stabs"
    ;;
  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_alias}
build_tooldir=${tooldir}

# Generate default definitions for YACC, M4, LEX.  These are used if the
# Makefile can't locate these programs in objdir.
MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
for ac_prog in 'bison -y' byacc yacc
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:2791: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_YACC'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$DEFAULT_YACC"; then
  ac_cv_prog_DEFAULT_YACC="$DEFAULT_YACC" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_DEFAULT_YACC="$ac_prog"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
DEFAULT_YACC="$ac_cv_prog_DEFAULT_YACC"
if test -n "$DEFAULT_YACC"; then
  echo "$ac_t""$DEFAULT_YACC" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

test -n "$DEFAULT_YACC" && break
done
test -n "$DEFAULT_YACC" || DEFAULT_YACC="$MISSING bison"

for ac_prog in gm4 gnum4 m4
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:2826: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_M4'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$DEFAULT_M4"; then
  ac_cv_prog_DEFAULT_M4="$DEFAULT_M4" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_DEFAULT_M4="$ac_prog"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
DEFAULT_M4="$ac_cv_prog_DEFAULT_M4"
if test -n "$DEFAULT_M4"; then
  echo "$ac_t""$DEFAULT_M4" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

test -n "$DEFAULT_M4" && break
done
test -n "$DEFAULT_M4" || DEFAULT_M4="$MISSING m4"

for ac_prog in flex lex
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:2861: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_DEFAULT_LEX'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$DEFAULT_LEX"; then
  ac_cv_prog_DEFAULT_LEX="$DEFAULT_LEX" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_DEFAULT_LEX="$ac_prog"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
DEFAULT_LEX="$ac_cv_prog_DEFAULT_LEX"
if test -n "$DEFAULT_LEX"; then
  echo "$ac_t""$DEFAULT_LEX" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

test -n "$DEFAULT_LEX" && break
done
test -n "$DEFAULT_LEX" || DEFAULT_LEX="$MISSING flex"


# Create a .gdbinit file which runs the one in srcdir
# and tells GDB to look there for source files.

if test -r ${srcdir}/.gdbinit ; then
  case ${srcdir} in
    .) ;;
    *) cat > ./.gdbinit <<EOF
# ${NO_EDIT}
dir ${srcdir}
dir .
source ${srcdir}/.gdbinit
EOF
    ;;
  esac
fi

# Make sure that the compiler is able to generate an executable.  If it
# can't, we are probably in trouble.  We don't care whether we can run the
# executable--we might be using a cross compiler--we only care whether it
# can be created.  At this point the main configure script has set CC.
we_are_ok=no
echo "int main () { return 0; }" > conftest.c
${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
if test $? = 0 ; then
  if test -s conftest || test -s conftest.exe ; then
    we_are_ok=yes
  fi
fi 
case $we_are_ok in
  no)
    echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
    echo 1>&2 "*** You must set the environment variable CC to a working compiler."
    rm -f conftest*
    exit 1
    ;;
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

# If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
# binutils tools will find libbfd.so.
case "${enable_shared}" in
  no | "") SET_LIB_PATH= ;;
  *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
esac

case "${host}" in
  *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
  *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
esac

# Record target_configdirs and the configure arguments for target and
# build configuration in Makefile.
target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`

# This is the final value for target_configdirs.  configdirs already
# has its final value, as does build_modules.  It's time to create some 
# lists of valid targets.

all_build_modules=
configure_build_modules=
for module in ${build_modules} ; do
  all_build_modules=all-build-${module}
  configure_build_modules=configure-build-${module}
done

# Determine whether gdb needs tk/tcl or not.
# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
# and in that case we want gdb to be built without tk.  Ugh!
# In fact I believe gdb is the *only* package directly dependent on tk,
# so we should be able to put the 'maybe's in unconditionally and
# leave out the maybe dependencies when enable_gdbtk is false.  I'm not
# 100% sure that that's safe though.

gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
case "$enable_gdbtk" in
  no)
    GDB_TK="" ;;
  yes)
    GDB_TK="${gdb_tk}" ;;
  *)
    # Only add the dependency on gdbtk when GDBtk is part of the gdb
    # distro.  Eventually someone will fix this and move Insight, nee
    # gdbtk to a separate directory.
    if test -d ${srcdir}/gdb/gdbtk ; then
      GDB_TK="${gdb_tk}"
    else
      GDB_TK=""
    fi
    ;;
esac

# Strip out unwanted targets.

# While at that, we remove Makefiles if we were started for recursive
# configuration, so that the top-level Makefile reconfigures them,
# like we used to do when configure itself was recursive.

# Loop over modules.  $extrasub must be used with care, limiting as
# much as possible the usage of range addresses.  That's because autoconf
# splits the sed script to overcome limits in the number of commands,
# and relying on carefully-timed sed passes may turn out to be very hard
# to maintain later.  In this particular case, you just have to be careful
# not to nest @if/@endif pairs, because configure will not warn you at all.

# Check whether --enable-bootstrap or --disable-bootstrap was given.
if test "${enable_bootstrap+set}" = set; then
  enableval="$enable_bootstrap"
  :
else
  enable_bootstrap=no
fi

if test -d ${srcdir}/gcc; then
  case "$host:$target:$enable_bootstrap" in
    $build:$build:yes | *:no) ;;
    *:yes) { echo "configure: error: cannot bootstrap a cross-compiler" 1>&2; exit 1; } ;;
    *) { echo "configure: error: invalid option for --enable-bootstrap" 1>&2; exit 1; } ;;
  esac
else
  if test $enable_bootstrap = yes; then
    { echo "configure: error: cannot bootstrap without a compiler" 1>&2; exit 1; }
  fi
fi

case "$enable_bootstrap" in
  yes)
    default_target=bootstrap
    bootstrap_suffix=bootstrap ;;
  no)
    default_target=all
    bootstrap_suffix=no-bootstrap ;;
esac


for module in ${build_modules} ; do
  if test -z "${no_recursion}" \
     && test -f ${build_subdir}/${module}/Makefile; then
    echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
    rm -f ${build_subdir}/${module}/Makefile
  fi
  extrasub="$extrasub
/^@if build-$module\$/d
/^@endif build-$module\$/d
/^@if build-$module-$bootstrap_suffix\$/d
/^@endif build-$module-$bootstrap_suffix\$/d"
done
for module in ${configdirs} ; do
  if test -z "${no_recursion}" \
     && test -f ${module}/Makefile; then
    echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
    rm -f ${module}/Makefile
  fi
  extrasub="$extrasub
/^@if $module\$/d
/^@endif $module\$/d
/^@if $module-$bootstrap_suffix\$/d
/^@endif $module-$bootstrap_suffix\$/d"
done
for module in ${target_configdirs} ; do
  if test -z "${no_recursion}" \
     && test -f ${target_subdir}/${module}/Makefile; then
    echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
    rm -f ${target_subdir}/${module}/Makefile
  fi
  extrasub="$extrasub
/^@if target-$module\$/d
/^@endif target-$module\$/d
/^@if target-$module-$bootstrap_suffix\$/d
/^@endif target-$module-$bootstrap_suffix\$/d"
done

extrasub="$extrasub
/^@if /,/^@endif /d"

# Create the serialization dependencies.  This uses a temporary file.

# Check whether --enable-serial-configure or --disable-serial-configure was given.
if test "${enable_serial_configure+set}" = set; then
  enableval="$enable_serial_configure"
  :
fi


case ${enable_serial_configure} in
  yes)
    enable_serial_build_configure=yes
    enable_serial_host_configure=yes
    enable_serial_target_configure=yes
    ;;
esac

# These force 'configure's to be done one at a time, to avoid problems
# with contention over a shared config.cache.
rm -f serdep.tmp
echo '# serdep.tmp' > serdep.tmp
olditem=
test "x${enable_serial_build_configure}" = xyes &&
for item in ${build_configdirs} ; do
  case ${olditem} in
    "") ;;
    *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
  esac
  olditem=${item}
done
olditem=
test "x${enable_serial_host_configure}" = xyes &&
for item in ${configdirs} ; do
  case ${olditem} in
    "") ;;
    *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
  esac
  olditem=${item}
done
olditem=
test "x${enable_serial_target_configure}" = xyes &&
for item in ${target_configdirs} ; do
  case ${olditem} in
    "") ;;
    *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
  esac
  olditem=${item}
done
serialization_dependencies=serdep.tmp


# Base args.  Strip norecursion, cache-file, srcdir, host, build,
# target and nonopt.  These are the ones we might not want to pass
# down to subconfigures.  Also strip program-prefix, program-suffix,
# and program-transform-name, so that we can pass down a consistent
# program-transform-name.  If autoconf has put single quotes around
# any of these arguments (because they contain shell metacharacters)
# then this will fail; in practice this only happens for
# --program-transform-name, so be sure to override --program-transform-name
# at the end of the argument list.
# These will be expanded by make, so quote '$'.
cat <<\EOF_SED > conftestsed
s/ --no[^ ]*/ /g
s/ --c[a-z-]*[= ][^ ]*//g
s/ --sr[a-z-]*[= ][^ ]*//g
s/ --ho[a-z-]*[= ][^ ]*//g
s/ --bu[a-z-]*[= ][^ ]*//g
s/ --t[a-z-]*[= ][^ ]*//g
s/ --program-[pst][a-z-]*[= ][^ ]*//g
s/ -cache-file[= ][^ ]*//g
s/ -srcdir[= ][^ ]*//g
s/ -host[= ][^ ]*//g
s/ -build[= ][^ ]*//g
s/ -target[= ][^ ]*//g
s/ -program-prefix[= ][^ ]*//g
s/ -program-suffix[= ][^ ]*//g
s/ -program-transform-name[= ][^ ]*//g
s/ [^' -][^ ]* / /
s/^ *//;s/ *$//
s,\$,$$,g
EOF_SED
sed -f conftestsed <<EOF_SED > conftestsed.out
 ${ac_configure_args} 
EOF_SED
baseargs=`cat conftestsed.out`
rm -f conftestsed conftestsed.out

# Add in --program-transform-name, after --program-prefix and
# --program-suffix have been applied to it.  Autoconf has already
# doubled dollar signs and backslashes in program_transform_name; we want
# the backslashes un-doubled, and then the entire thing wrapped in single
# quotes, because this will be expanded first by make and then by the shell. 
# Also, because we want to override the logic in subdir configure scripts to
# choose program_transform_name, replace any s,x,x, with s,y,y,.
sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
${program_transform_name}
EOF_SED
gcc_transform_name=`cat conftestsed.out`
rm -f conftestsed.out
baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"

# For the build-side libraries, we just need to pretend we're native,
# and not use the same cache file.  Multilibs are neither needed nor
# desired.
build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"

# For host modules, accept cache file option, or specification as blank.
case "${cache_file}" in
"") # empty
  cache_file_option="" ;;
/* | [A-Za-z]:[\\/]* ) # absolute path
  cache_file_option="--cache-file=${cache_file}" ;;
*) # relative path
  cache_file_option="--cache-file=../${cache_file}" ;;
esac

# Host dirs don't like to share a cache file either, horribly enough.
# This seems to be due to autoconf 2.5x stupidity.
host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"

target_configargs=${baseargs}

# Passing a --with-cross-host argument lets the target libraries know
# whether they are being built with a cross-compiler or being built
# native.  However, it would be better to use other mechanisms to make the
# sorts of decisions they want to make on this basis.  Please consider
# this option to be deprecated.  FIXME.
if test x${is_cross_compiler} = xyes ; then
  target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
fi

# Default to --enable-multilib.
if test x${enable_multilib} = x ; then
  target_configargs="--enable-multilib ${target_configargs}"
fi

# Pass --with-newlib if appropriate.  Note that target_configdirs has
# changed from the earlier setting of with_newlib.
if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
  target_configargs="--with-newlib ${target_configargs}"
fi

# Different target subdirs use different values of certain variables
# (notably CXX).  Worse, multilibs use *lots* of different values.
# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
# it doesn't automatically accept command-line overrides of them.
# This means it's not safe for target subdirs to share a cache file,
# which is disgusting, but there you have it.  Hopefully this can be
# fixed in future.  It's still worthwhile to use a cache file for each
# directory.  I think.

# Pass the appropriate --host, --build, and --cache-file arguments.
target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"

# provide a proper gxx_include_dir.
# Note, if you change the default, make sure to fix both here and in
# the gcc and libstdc++-v3 subdirectories.
# Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
case "${with_gxx_include_dir}" in
  yes)
    { echo "configure: error: --with-gxx-include-dir=[dir] requires a directory" 1>&2; exit 1; }
    ;;
  no | "")
    case "${enable_version_specific_runtime_libs}" in
      yes) gxx_include_dir='${libsubdir}/include/c++' ;;
      *)
        . ${srcdir}/config.if
        gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
    esac ;;
  *) gxx_include_dir=${with_gxx_include_dir} ;;
esac

FLAGS_FOR_TARGET=
case " $target_configdirs " in
 *" newlib "*)
  case " $target_configargs " in
  *" --with-newlib "*)
   case "$target" in
   *-cygwin*)
     FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include' ;;
   esac

   # If we're not building GCC, don't discard standard headers.
   if test -d ${srcdir}/gcc; then
     FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'

     if test "${build}" != "${host}"; then
       # On Canadian crosses, CC_FOR_TARGET will have already been set
       # by `configure', so we won't have an opportunity to add -Bgcc/
       # to it.  This is right: we don't want to search that directory
       # for binaries, but we want the header files in there, so add
       # them explicitly.
       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'

       # Someone might think of using the pre-installed headers on
       # Canadian crosses, in case the installed compiler is not fully
       # compatible with the compiler being built.  In this case, it
       # would be better to flag an error than risking having
       # incompatible object files being constructed.  We can't
       # guarantee that an error will be flagged, but let's hope the
       # compiler will do it, when presented with incompatible header
       # files.
     fi
   fi

   case "${target}-${is_cross_compiler}" in
   i[3456789]86-*-linux*-no)
      # Here host == target, so we don't need to build gcc,
      # so we don't want to discard standard headers.
      FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
      ;;
   *)
      # If we're building newlib, use its generic headers last, but search
      # for any libc-related directories first (so make it the last -B
      # switch).
      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
      ;;
   esac
   ;;
  esac
  ;;
esac

# Allow the user to override the flags for
# our build compiler if desired.
CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}

# On Canadian crosses, we'll be searching the right directories for
# the previously-installed cross compiler, so don't bother to add
# flags for directories within the install tree of the compiler
# being built; programs in there won't even run.
if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
  # Search for pre-installed headers if nothing else fits.
  FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
fi

if test "x${use_gnu_ld}" = x &&
   echo " ${configdirs} " | grep " ld " > /dev/null ; then
  # Arrange for us to find uninstalled linker scripts.
  FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
fi

if test "x${CC_FOR_TARGET+set}" = xset; then
  :
elif test -d ${srcdir}/gcc; then
  CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
elif test "$host" = "$target"; then
  CC_FOR_TARGET='$(CC)'
else
  CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
fi
CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'

if test "x${GCJ_FOR_TARGET+set}" = xset; then
  :
elif test -d ${srcdir}/gcc; then
  GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
elif test "$host" = "$target"; then
  GCJ_FOR_TARGET='gcj'
else
  GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
fi
GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'

if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
  :
elif test -d ${srcdir}/gcc; then
  GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
elif test "$host" = "$target"; then
  GFORTRAN_FOR_TARGET='gfortran'
else
  GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
fi
case $GFORTRAN_FOR_TARGET in
*' $(FLAGS_FOR_TARGET)') ;;
*) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
esac

# Don't use libstdc++-v3's flags to configure/build itself.
libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'

if test "x${CXX_FOR_TARGET+set}" = xset; then
  if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
    RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
  fi
elif test -d ${srcdir}/gcc; then
  # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
  # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
  # default whereas gcc does not.
  # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
  # all other cases.
  CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
  RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
elif test "$host" = "$target"; then
  CXX_FOR_TARGET='$(CXX)'
  RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
else
  CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
  RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
fi
CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'

qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[&%],\\\&,g'`
qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[&%],\\\&,g'`

# We want to defer the evaluation of `cmd`s and shell variables in
# CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
# bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
# quotes, but we still have to duplicate `$'s so that shell variables
# can be expanded by the nested make as shell variables, not as make
# macros.
qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[$][$],$$$$,g'`
qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[$][$],$$$$,g'`

# Wrap CC_FOR_TARGET and friends, for certain types of builds.
CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"

# Makefile fragments.
host_makefile_frag=${srcdir}/${host_makefile_frag}
target_makefile_frag=${srcdir}/${target_makefile_frag}
alphaieee_frag=${srcdir}/${alphaieee_frag}
ospace_frag=${srcdir}/${ospace_frag}


# Miscellanea: directories, flags, etc.


# Build module lists & subconfigure args.


# Host module lists & subconfigure args.


# Target module lists & subconfigure args.


# Build tools.


# Host tools.
ncn_tool_prefix=
test -n "$host_alias" && ncn_tool_prefix=$host_alias-
ncn_target_tool_prefix=
test -n "$target_alias" && ncn_target_tool_prefix=$target_alias-

 if test -n "$ncn_tool_prefix"; then
  # Extract the first word of "${ncn_tool_prefix}ar", so it can be a program name with args.
set dummy ${ncn_tool_prefix}ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3473: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$AR"; then
  ac_cv_prog_AR="$AR" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_AR="${ncn_tool_prefix}ar"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
AR="$ac_cv_prog_AR"
if test -n "$AR"; then
  echo "$ac_t""$AR" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_AR" ; then
  if test $build = $host ; then
    ncn_cv_AR=$AR
    # Extract the first word of "ar", so it can be a program name with args.
set dummy ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3506: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_AR"; then
  ac_cv_prog_ncn_cv_AR="$ncn_cv_AR" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_AR="ar"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_AR" && ac_cv_prog_ncn_cv_AR="ar"
fi
fi
ncn_cv_AR="$ac_cv_prog_ncn_cv_AR"
if test -n "$ncn_cv_AR"; then
  echo "$ac_t""$ncn_cv_AR" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    AR=$ncn_cv_AR
  else
    AR="${ncn_tool_prefix}ar"
  fi
else
  AR="$ac_cv_prog_AR"
fi

 if test -n "$ncn_tool_prefix"; then
  # Extract the first word of "${ncn_tool_prefix}as", so it can be a program name with args.
set dummy ${ncn_tool_prefix}as; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3545: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$AS"; then
  ac_cv_prog_AS="$AS" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_AS="${ncn_tool_prefix}as"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
AS="$ac_cv_prog_AS"
if test -n "$AS"; then
  echo "$ac_t""$AS" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_AS" ; then
  if test $build = $host ; then
    ncn_cv_AS=$AS
    # Extract the first word of "as", so it can be a program name with args.
set dummy as; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3578: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_AS"; then
  ac_cv_prog_ncn_cv_AS="$ncn_cv_AS" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_AS="as"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_AS" && ac_cv_prog_ncn_cv_AS="as"
fi
fi
ncn_cv_AS="$ac_cv_prog_ncn_cv_AS"
if test -n "$ncn_cv_AS"; then
  echo "$ac_t""$ncn_cv_AS" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    AS=$ncn_cv_AS
  else
    AS="${ncn_tool_prefix}as"
  fi
else
  AS="$ac_cv_prog_AS"
fi

 if test -n "$ncn_tool_prefix"; then
  # Extract the first word of "${ncn_tool_prefix}dlltool", so it can be a program name with args.
set dummy ${ncn_tool_prefix}dlltool; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3617: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$DLLTOOL"; then
  ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_DLLTOOL="${ncn_tool_prefix}dlltool"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
DLLTOOL="$ac_cv_prog_DLLTOOL"
if test -n "$DLLTOOL"; then
  echo "$ac_t""$DLLTOOL" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_DLLTOOL" ; then
  if test $build = $host ; then
    ncn_cv_DLLTOOL=$DLLTOOL
    # Extract the first word of "dlltool", so it can be a program name with args.
set dummy dlltool; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3650: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_DLLTOOL"; then
  ac_cv_prog_ncn_cv_DLLTOOL="$ncn_cv_DLLTOOL" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_DLLTOOL="dlltool"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_DLLTOOL" && ac_cv_prog_ncn_cv_DLLTOOL="dlltool"
fi
fi
ncn_cv_DLLTOOL="$ac_cv_prog_ncn_cv_DLLTOOL"
if test -n "$ncn_cv_DLLTOOL"; then
  echo "$ac_t""$ncn_cv_DLLTOOL" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    DLLTOOL=$ncn_cv_DLLTOOL
  else
    DLLTOOL="${ncn_tool_prefix}dlltool"
  fi
else
  DLLTOOL="$ac_cv_prog_DLLTOOL"
fi

 if test -n "$ncn_tool_prefix"; then
  # Extract the first word of "${ncn_tool_prefix}ld", so it can be a program name with args.
set dummy ${ncn_tool_prefix}ld; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3689: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$LD"; then
  ac_cv_prog_LD="$LD" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_LD="${ncn_tool_prefix}ld"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
LD="$ac_cv_prog_LD"
if test -n "$LD"; then
  echo "$ac_t""$LD" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_LD" ; then
  if test $build = $host ; then
    ncn_cv_LD=$LD
    # Extract the first word of "ld", so it can be a program name with args.
set dummy ld; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3722: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_LD"; then
  ac_cv_prog_ncn_cv_LD="$ncn_cv_LD" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_LD="ld"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_LD" && ac_cv_prog_ncn_cv_LD="ld"
fi
fi
ncn_cv_LD="$ac_cv_prog_ncn_cv_LD"
if test -n "$ncn_cv_LD"; then
  echo "$ac_t""$ncn_cv_LD" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    LD=$ncn_cv_LD
  else
    LD="${ncn_tool_prefix}ld"
  fi
else
  LD="$ac_cv_prog_LD"
fi

 if test -n "$ncn_tool_prefix"; then
  # Extract the first word of "${ncn_tool_prefix}nm", so it can be a program name with args.
set dummy ${ncn_tool_prefix}nm; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3761: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$NM"; then
  ac_cv_prog_NM="$NM" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_NM="${ncn_tool_prefix}nm"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
NM="$ac_cv_prog_NM"
if test -n "$NM"; then
  echo "$ac_t""$NM" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_NM" ; then
  if test $build = $host ; then
    ncn_cv_NM=$NM
    # Extract the first word of "nm", so it can be a program name with args.
set dummy nm; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3794: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_NM"; then
  ac_cv_prog_ncn_cv_NM="$ncn_cv_NM" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_NM="nm"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_NM" && ac_cv_prog_ncn_cv_NM="nm"
fi
fi
ncn_cv_NM="$ac_cv_prog_ncn_cv_NM"
if test -n "$ncn_cv_NM"; then
  echo "$ac_t""$ncn_cv_NM" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    NM=$ncn_cv_NM
  else
    NM="${ncn_tool_prefix}nm"
  fi
else
  NM="$ac_cv_prog_NM"
fi

 if test -n "$ncn_tool_prefix"; then
  # Extract the first word of "${ncn_tool_prefix}ranlib", so it can be a program name with args.
set dummy ${ncn_tool_prefix}ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3833: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$RANLIB"; then
  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_RANLIB="${ncn_tool_prefix}ranlib"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
RANLIB="$ac_cv_prog_RANLIB"
if test -n "$RANLIB"; then
  echo "$ac_t""$RANLIB" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_RANLIB" ; then
  if test $build = $host ; then
    ncn_cv_RANLIB=$RANLIB
    # Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3866: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_RANLIB"; then
  ac_cv_prog_ncn_cv_RANLIB="$ncn_cv_RANLIB" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_RANLIB="ranlib"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_RANLIB" && ac_cv_prog_ncn_cv_RANLIB=":"
fi
fi
ncn_cv_RANLIB="$ac_cv_prog_ncn_cv_RANLIB"
if test -n "$ncn_cv_RANLIB"; then
  echo "$ac_t""$ncn_cv_RANLIB" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    RANLIB=$ncn_cv_RANLIB
  else
    RANLIB=":"
  fi
else
  RANLIB="$ac_cv_prog_RANLIB"
fi

 if test -n "$ncn_tool_prefix"; then
  # Extract the first word of "${ncn_tool_prefix}windres", so it can be a program name with args.
set dummy ${ncn_tool_prefix}windres; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3905: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$WINDRES"; then
  ac_cv_prog_WINDRES="$WINDRES" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_WINDRES="${ncn_tool_prefix}windres"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
WINDRES="$ac_cv_prog_WINDRES"
if test -n "$WINDRES"; then
  echo "$ac_t""$WINDRES" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_WINDRES" ; then
  if test $build = $host ; then
    ncn_cv_WINDRES=$WINDRES
    # Extract the first word of "windres", so it can be a program name with args.
set dummy windres; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3938: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_WINDRES"; then
  ac_cv_prog_ncn_cv_WINDRES="$ncn_cv_WINDRES" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_WINDRES="windres"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_WINDRES" && ac_cv_prog_ncn_cv_WINDRES="windres"
fi
fi
ncn_cv_WINDRES="$ac_cv_prog_ncn_cv_WINDRES"
if test -n "$ncn_cv_WINDRES"; then
  echo "$ac_t""$ncn_cv_WINDRES" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    WINDRES=$ncn_cv_WINDRES
  else
    WINDRES="${ncn_tool_prefix}windres"
  fi
else
  WINDRES="$ac_cv_prog_WINDRES"
fi

 if test -n "$ncn_tool_prefix"; then
  # Extract the first word of "${ncn_tool_prefix}objcopy", so it can be a program name with args.
set dummy ${ncn_tool_prefix}objcopy; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:3977: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$OBJCOPY"; then
  ac_cv_prog_OBJCOPY="$OBJCOPY" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_OBJCOPY="${ncn_tool_prefix}objcopy"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
OBJCOPY="$ac_cv_prog_OBJCOPY"
if test -n "$OBJCOPY"; then
  echo "$ac_t""$OBJCOPY" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_OBJCOPY" ; then
  if test $build = $host ; then
    ncn_cv_OBJCOPY=$OBJCOPY
    # Extract the first word of "objcopy", so it can be a program name with args.
set dummy objcopy; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4010: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJCOPY'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_OBJCOPY"; then
  ac_cv_prog_ncn_cv_OBJCOPY="$ncn_cv_OBJCOPY" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_OBJCOPY="objcopy"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_OBJCOPY" && ac_cv_prog_ncn_cv_OBJCOPY="objcopy"
fi
fi
ncn_cv_OBJCOPY="$ac_cv_prog_ncn_cv_OBJCOPY"
if test -n "$ncn_cv_OBJCOPY"; then
  echo "$ac_t""$ncn_cv_OBJCOPY" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    OBJCOPY=$ncn_cv_OBJCOPY
  else
    OBJCOPY="${ncn_tool_prefix}objcopy"
  fi
else
  OBJCOPY="$ac_cv_prog_OBJCOPY"
fi

 if test -n "$ncn_tool_prefix"; then
  # Extract the first word of "${ncn_tool_prefix}objdump", so it can be a program name with args.
set dummy ${ncn_tool_prefix}objdump; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4049: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$OBJDUMP"; then
  ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_OBJDUMP="${ncn_tool_prefix}objdump"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
OBJDUMP="$ac_cv_prog_OBJDUMP"
if test -n "$OBJDUMP"; then
  echo "$ac_t""$OBJDUMP" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_OBJDUMP" ; then
  if test $build = $host ; then
    ncn_cv_OBJDUMP=$OBJDUMP
    # Extract the first word of "objdump", so it can be a program name with args.
set dummy objdump; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4082: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJDUMP'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_OBJDUMP"; then
  ac_cv_prog_ncn_cv_OBJDUMP="$ncn_cv_OBJDUMP" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_OBJDUMP="objdump"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_OBJDUMP" && ac_cv_prog_ncn_cv_OBJDUMP="objdump"
fi
fi
ncn_cv_OBJDUMP="$ac_cv_prog_ncn_cv_OBJDUMP"
if test -n "$ncn_cv_OBJDUMP"; then
  echo "$ac_t""$ncn_cv_OBJDUMP" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    OBJDUMP=$ncn_cv_OBJDUMP
  else
    OBJDUMP="${ncn_tool_prefix}objdump"
  fi
else
  OBJDUMP="$ac_cv_prog_OBJDUMP"
fi


# Target tools.
 if test -n "$ncn_target_tool_prefix"; then
  # Extract the first word of "${ncn_target_tool_prefix}ar", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4131: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AR_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CONFIGURED_AR_FOR_TARGET"; then
  ac_cv_prog_CONFIGURED_AR_FOR_TARGET="$CONFIGURED_AR_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_CONFIGURED_AR_FOR_TARGET="${ncn_target_tool_prefix}ar"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CONFIGURED_AR_FOR_TARGET="$ac_cv_prog_CONFIGURED_AR_FOR_TARGET"
if test -n "$CONFIGURED_AR_FOR_TARGET"; then
  echo "$ac_t""$CONFIGURED_AR_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_CONFIGURED_AR_FOR_TARGET" ; then
  if test $build = $target ; then
    ncn_cv_CONFIGURED_AR_FOR_TARGET=$CONFIGURED_AR_FOR_TARGET
    # Extract the first word of "ar", so it can be a program name with args.
set dummy ar; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4164: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_AR_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_CONFIGURED_AR_FOR_TARGET"; then
  ac_cv_prog_ncn_cv_CONFIGURED_AR_FOR_TARGET="$ncn_cv_CONFIGURED_AR_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_CONFIGURED_AR_FOR_TARGET="ar"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_CONFIGURED_AR_FOR_TARGET" && ac_cv_prog_ncn_cv_CONFIGURED_AR_FOR_TARGET="ar"
fi
fi
ncn_cv_CONFIGURED_AR_FOR_TARGET="$ac_cv_prog_ncn_cv_CONFIGURED_AR_FOR_TARGET"
if test -n "$ncn_cv_CONFIGURED_AR_FOR_TARGET"; then
  echo "$ac_t""$ncn_cv_CONFIGURED_AR_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    CONFIGURED_AR_FOR_TARGET=$ncn_cv_CONFIGURED_AR_FOR_TARGET
  else
    CONFIGURED_AR_FOR_TARGET="${ncn_target_tool_prefix}ar"
  fi
else
  CONFIGURED_AR_FOR_TARGET="$ac_cv_prog_CONFIGURED_AR_FOR_TARGET"
fi

 if test -n "$ncn_target_tool_prefix"; then
  # Extract the first word of "${ncn_target_tool_prefix}as", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}as; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4203: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AS_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CONFIGURED_AS_FOR_TARGET"; then
  ac_cv_prog_CONFIGURED_AS_FOR_TARGET="$CONFIGURED_AS_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_CONFIGURED_AS_FOR_TARGET="${ncn_target_tool_prefix}as"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CONFIGURED_AS_FOR_TARGET="$ac_cv_prog_CONFIGURED_AS_FOR_TARGET"
if test -n "$CONFIGURED_AS_FOR_TARGET"; then
  echo "$ac_t""$CONFIGURED_AS_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_CONFIGURED_AS_FOR_TARGET" ; then
  if test $build = $target ; then
    ncn_cv_CONFIGURED_AS_FOR_TARGET=$CONFIGURED_AS_FOR_TARGET
    # Extract the first word of "as", so it can be a program name with args.
set dummy as; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4236: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_AS_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_CONFIGURED_AS_FOR_TARGET"; then
  ac_cv_prog_ncn_cv_CONFIGURED_AS_FOR_TARGET="$ncn_cv_CONFIGURED_AS_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_CONFIGURED_AS_FOR_TARGET="as"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_CONFIGURED_AS_FOR_TARGET" && ac_cv_prog_ncn_cv_CONFIGURED_AS_FOR_TARGET="as"
fi
fi
ncn_cv_CONFIGURED_AS_FOR_TARGET="$ac_cv_prog_ncn_cv_CONFIGURED_AS_FOR_TARGET"
if test -n "$ncn_cv_CONFIGURED_AS_FOR_TARGET"; then
  echo "$ac_t""$ncn_cv_CONFIGURED_AS_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    CONFIGURED_AS_FOR_TARGET=$ncn_cv_CONFIGURED_AS_FOR_TARGET
  else
    CONFIGURED_AS_FOR_TARGET="${ncn_target_tool_prefix}as"
  fi
else
  CONFIGURED_AS_FOR_TARGET="$ac_cv_prog_CONFIGURED_AS_FOR_TARGET"
fi

 if test -n "$ncn_target_tool_prefix"; then
  # Extract the first word of "${ncn_target_tool_prefix}dlltool", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}dlltool; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4275: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CONFIGURED_DLLTOOL_FOR_TARGET"; then
  ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET="$CONFIGURED_DLLTOOL_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET="${ncn_target_tool_prefix}dlltool"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CONFIGURED_DLLTOOL_FOR_TARGET="$ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET"
if test -n "$CONFIGURED_DLLTOOL_FOR_TARGET"; then
  echo "$ac_t""$CONFIGURED_DLLTOOL_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET" ; then
  if test $build = $target ; then
    ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET=$CONFIGURED_DLLTOOL_FOR_TARGET
    # Extract the first word of "dlltool", so it can be a program name with args.
set dummy dlltool; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4308: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET"; then
  ac_cv_prog_ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET="$ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET="dlltool"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET" && ac_cv_prog_ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET="dlltool"
fi
fi
ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET="$ac_cv_prog_ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET"
if test -n "$ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET"; then
  echo "$ac_t""$ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    CONFIGURED_DLLTOOL_FOR_TARGET=$ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET
  else
    CONFIGURED_DLLTOOL_FOR_TARGET="${ncn_target_tool_prefix}dlltool"
  fi
else
  CONFIGURED_DLLTOOL_FOR_TARGET="$ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET"
fi

 if test -n "$ncn_target_tool_prefix"; then
  # Extract the first word of "${ncn_target_tool_prefix}ld", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}ld; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4347: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_LD_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CONFIGURED_LD_FOR_TARGET"; then
  ac_cv_prog_CONFIGURED_LD_FOR_TARGET="$CONFIGURED_LD_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_CONFIGURED_LD_FOR_TARGET="${ncn_target_tool_prefix}ld"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CONFIGURED_LD_FOR_TARGET="$ac_cv_prog_CONFIGURED_LD_FOR_TARGET"
if test -n "$CONFIGURED_LD_FOR_TARGET"; then
  echo "$ac_t""$CONFIGURED_LD_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_CONFIGURED_LD_FOR_TARGET" ; then
  if test $build = $target ; then
    ncn_cv_CONFIGURED_LD_FOR_TARGET=$CONFIGURED_LD_FOR_TARGET
    # Extract the first word of "ld", so it can be a program name with args.
set dummy ld; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4380: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_LD_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_CONFIGURED_LD_FOR_TARGET"; then
  ac_cv_prog_ncn_cv_CONFIGURED_LD_FOR_TARGET="$ncn_cv_CONFIGURED_LD_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_CONFIGURED_LD_FOR_TARGET="ld"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_CONFIGURED_LD_FOR_TARGET" && ac_cv_prog_ncn_cv_CONFIGURED_LD_FOR_TARGET="ld"
fi
fi
ncn_cv_CONFIGURED_LD_FOR_TARGET="$ac_cv_prog_ncn_cv_CONFIGURED_LD_FOR_TARGET"
if test -n "$ncn_cv_CONFIGURED_LD_FOR_TARGET"; then
  echo "$ac_t""$ncn_cv_CONFIGURED_LD_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    CONFIGURED_LD_FOR_TARGET=$ncn_cv_CONFIGURED_LD_FOR_TARGET
  else
    CONFIGURED_LD_FOR_TARGET="${ncn_target_tool_prefix}ld"
  fi
else
  CONFIGURED_LD_FOR_TARGET="$ac_cv_prog_CONFIGURED_LD_FOR_TARGET"
fi

 if test -n "$ncn_target_tool_prefix"; then
  # Extract the first word of "${ncn_target_tool_prefix}nm", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}nm; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4419: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_NM_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CONFIGURED_NM_FOR_TARGET"; then
  ac_cv_prog_CONFIGURED_NM_FOR_TARGET="$CONFIGURED_NM_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_CONFIGURED_NM_FOR_TARGET="${ncn_target_tool_prefix}nm"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CONFIGURED_NM_FOR_TARGET="$ac_cv_prog_CONFIGURED_NM_FOR_TARGET"
if test -n "$CONFIGURED_NM_FOR_TARGET"; then
  echo "$ac_t""$CONFIGURED_NM_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_CONFIGURED_NM_FOR_TARGET" ; then
  if test $build = $target ; then
    ncn_cv_CONFIGURED_NM_FOR_TARGET=$CONFIGURED_NM_FOR_TARGET
    # Extract the first word of "nm", so it can be a program name with args.
set dummy nm; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4452: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_NM_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_CONFIGURED_NM_FOR_TARGET"; then
  ac_cv_prog_ncn_cv_CONFIGURED_NM_FOR_TARGET="$ncn_cv_CONFIGURED_NM_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_CONFIGURED_NM_FOR_TARGET="nm"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_CONFIGURED_NM_FOR_TARGET" && ac_cv_prog_ncn_cv_CONFIGURED_NM_FOR_TARGET="nm"
fi
fi
ncn_cv_CONFIGURED_NM_FOR_TARGET="$ac_cv_prog_ncn_cv_CONFIGURED_NM_FOR_TARGET"
if test -n "$ncn_cv_CONFIGURED_NM_FOR_TARGET"; then
  echo "$ac_t""$ncn_cv_CONFIGURED_NM_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    CONFIGURED_NM_FOR_TARGET=$ncn_cv_CONFIGURED_NM_FOR_TARGET
  else
    CONFIGURED_NM_FOR_TARGET="${ncn_target_tool_prefix}nm"
  fi
else
  CONFIGURED_NM_FOR_TARGET="$ac_cv_prog_CONFIGURED_NM_FOR_TARGET"
fi

 if test -n "$ncn_target_tool_prefix"; then
  # Extract the first word of "${ncn_target_tool_prefix}ranlib", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4491: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CONFIGURED_RANLIB_FOR_TARGET"; then
  ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET="$CONFIGURED_RANLIB_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET="${ncn_target_tool_prefix}ranlib"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CONFIGURED_RANLIB_FOR_TARGET="$ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET"
if test -n "$CONFIGURED_RANLIB_FOR_TARGET"; then
  echo "$ac_t""$CONFIGURED_RANLIB_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET" ; then
  if test $build = $target ; then
    ncn_cv_CONFIGURED_RANLIB_FOR_TARGET=$CONFIGURED_RANLIB_FOR_TARGET
    # Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4524: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_RANLIB_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_CONFIGURED_RANLIB_FOR_TARGET"; then
  ac_cv_prog_ncn_cv_CONFIGURED_RANLIB_FOR_TARGET="$ncn_cv_CONFIGURED_RANLIB_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_CONFIGURED_RANLIB_FOR_TARGET="ranlib"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_CONFIGURED_RANLIB_FOR_TARGET" && ac_cv_prog_ncn_cv_CONFIGURED_RANLIB_FOR_TARGET=":"
fi
fi
ncn_cv_CONFIGURED_RANLIB_FOR_TARGET="$ac_cv_prog_ncn_cv_CONFIGURED_RANLIB_FOR_TARGET"
if test -n "$ncn_cv_CONFIGURED_RANLIB_FOR_TARGET"; then
  echo "$ac_t""$ncn_cv_CONFIGURED_RANLIB_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    CONFIGURED_RANLIB_FOR_TARGET=$ncn_cv_CONFIGURED_RANLIB_FOR_TARGET
  else
    CONFIGURED_RANLIB_FOR_TARGET=":"
  fi
else
  CONFIGURED_RANLIB_FOR_TARGET="$ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET"
fi

 if test -n "$ncn_target_tool_prefix"; then
  # Extract the first word of "${ncn_target_tool_prefix}windres", so it can be a program name with args.
set dummy ${ncn_target_tool_prefix}windres; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4563: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$CONFIGURED_WINDRES_FOR_TARGET"; then
  ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET="$CONFIGURED_WINDRES_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET="${ncn_target_tool_prefix}windres"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
fi
CONFIGURED_WINDRES_FOR_TARGET="$ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET"
if test -n "$CONFIGURED_WINDRES_FOR_TARGET"; then
  echo "$ac_t""$CONFIGURED_WINDRES_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

fi
if test -z "$ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET" ; then
  if test $build = $target ; then
    ncn_cv_CONFIGURED_WINDRES_FOR_TARGET=$CONFIGURED_WINDRES_FOR_TARGET
    # Extract the first word of "windres", so it can be a program name with args.
set dummy windres; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:4596: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_WINDRES_FOR_TARGET'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test -n "$ncn_cv_CONFIGURED_WINDRES_FOR_TARGET"; then
  ac_cv_prog_ncn_cv_CONFIGURED_WINDRES_FOR_TARGET="$ncn_cv_CONFIGURED_WINDRES_FOR_TARGET" # Let the user override the test.
else
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_prog_ncn_cv_CONFIGURED_WINDRES_FOR_TARGET="windres"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_prog_ncn_cv_CONFIGURED_WINDRES_FOR_TARGET" && ac_cv_prog_ncn_cv_CONFIGURED_WINDRES_FOR_TARGET="windres"
fi
fi
ncn_cv_CONFIGURED_WINDRES_FOR_TARGET="$ac_cv_prog_ncn_cv_CONFIGURED_WINDRES_FOR_TARGET"
if test -n "$ncn_cv_CONFIGURED_WINDRES_FOR_TARGET"; then
  echo "$ac_t""$ncn_cv_CONFIGURED_WINDRES_FOR_TARGET" 1>&6
else
  echo "$ac_t""no" 1>&6
fi
 
    CONFIGURED_WINDRES_FOR_TARGET=$ncn_cv_CONFIGURED_WINDRES_FOR_TARGET
  else
    CONFIGURED_WINDRES_FOR_TARGET="${ncn_target_tool_prefix}windres"
  fi
else
  CONFIGURED_WINDRES_FOR_TARGET="$ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET"
fi


# Fix up target tools.
if test "x${build}" = "x${host}" ; then
  # In this case, the newly built tools can and should be used,
  # so we override the results of the autoconf tests.
  # This should really only happen when the tools are actually being built,
  # but that's a further refinement.  The new build scheme, where
  # tools are built into a structure paralleling where they're installed,
  # should also eliminate all of this cleanly.
  AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
  AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
  DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
  LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
  NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
  RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
  WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
else
  # Just use the ones we found.
  AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
  AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
  DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
  LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
  NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
  RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
  WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"  
fi


# Certain tools may need extra flags.
AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}

echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
echo "configure:4681: checking whether to enable maintainer-specific portions of Makefiles" >&5
# Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
if test "${enable_maintainer_mode+set}" = set; then
  enableval="$enable_maintainer_mode"
  USE_MAINTAINER_MODE=$enableval
else
  USE_MAINTAINER_MODE=no
fi

echo "$ac_t""$USE_MAINTAINER_MODE" 1>&6


if test "$USE_MAINTAINER_MODE" = yes; then
  MAINTAINER_MODE_TRUE=
  MAINTAINER_MODE_FALSE='#'
else
  MAINTAINER_MODE_TRUE='#'
  MAINTAINER_MODE_FALSE=
fi	
MAINT=$MAINTAINER_MODE_TRUE

# ---------------------
# GCC bootstrap support
# ---------------------

# Stage specific cflags for build.
stage1_cflags="-g"
case $build in
  vax-*-*)
    case ${GCC} in
      yes) stage1_cflags="-g -Wa,-J" ;;
      *) stage1_cflags="-g -J" ;;
    esac ;;
  powerpc-*-darwin*)
    # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
    # sources; use -no-cpp-precomp to get to GNU cpp.
    # Apple's GCC has bugs in designated initializer handling, so disable
    # that too.
    stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
    ;;
esac


# It makes debugging easier if we create as symlinks the stage directories
# gcc for stageN-gcc and stage-prev for stage(N-1).  In case this is not
# possible, however, we can resort to mv.
echo $ac_n "checking if symbolic links between directories work""... $ac_c" 1>&6
echo "configure:4728: checking if symbolic links between directories work" >&5
if eval "test \"`echo '$''{'gcc_cv_prog_ln_s_dir'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "${LN_S}" = "ln -s" \
   && mkdir confdir.s1 \
   && ln -s confdir.s1 confdir.s2 \
   && echo timestamp1 > confdir.s1/conftest.1 \
   && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
   && echo timestamp2 > confdir.s2/conftest.2 \
   && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
   && rm -f confdir.s2; then
  gcc_cv_prog_ln_s_dir=yes
else
  gcc_cv_prog_ln_s_dir=yes
fi
rm -rf confdir.s1 confdir.s2
fi

echo "$ac_t""$gcc_cv_prog_ln_s_dir" 1>&6

case ${gcc_cv_prog_ln_s_dir} in
  yes)
    CREATE_LINK_TO_DIR='ln -s $$1 $$2'
    UNDO_LINK_TO_DIR='rm -f $$1' ;;
  *)
    CREATE_LINK_TO_DIR='mv $$1 $$2'
    UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
esac


# Enable -Werror in bootstrap stage2 and later.
# Change the default to "no" on release branches.
# Check whether --enable-werror or --disable-werror was given.
if test "${enable_werror+set}" = set; then
  enableval="$enable_werror"
  :
else
  enable_werror=yes
fi

case ${enable_werror} in
  yes) stage2_werror_flag="--enable-werror-always" ;;
  *) stage2_werror_flag="" ;;
esac


trap '' 1 2 15
cat > confcache <<\EOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# scripts and configure runs.  It is not useful on other systems.
# If it contains results you don't want to keep, you may remove or edit it.
#
# By default, configure uses ./config.cache as the cache file,
# creating it if it does not exist already.  You can give configure
# the --cache-file=FILE option to use a different cache file; that is
# what configure does when it calls configure scripts in
# subdirectories, so they share the cache.
# Giving --cache-file=/dev/null disables caching, for debugging configure.
# config.status only pays attention to the cache file if you give it the
# --recheck option to rerun configure.
#
EOF
# The following way of writing the cache mishandles newlines in values,
# but we know of no workaround that is simple, portable, and efficient.
# So, don't put newlines in cache variables' values.
# Ultrix sh set writes to stderr and can't be redirected directly,
# and sets the high bit in the cache file unless we assign to the vars.
(set) 2>&1 |
  case `(ac_space=' '; set | grep ac_space) 2>&1` in
  *ac_space=\ *)
    # `set' does not quote correctly, so add quotes (double-quote substitution
    # turns \\\\ into \\, and sed turns \\ into \).
    sed -n \
      -e "s/'/'\\\\''/g" \
      -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
    ;;
  *)
    # `set' quotes correctly as required by POSIX, so do not add quotes.
    sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
    ;;
  esac >> confcache
if cmp -s $cache_file confcache; then
  :
else
  if test -w $cache_file; then
    echo "updating cache $cache_file"
    cat confcache > $cache_file
  else
    echo "not updating unwritable cache $cache_file"
  fi
fi
rm -f confcache

trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15

test "x$prefix" = xNONE && prefix=$ac_default_prefix
# Let make expand exec_prefix.
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'

# Any assignment to VPATH causes Sun make to only execute
# the first set of double-colon rules, so remove it if not needed.
# If there is a colon in the path, we need to keep it.
if test "x$srcdir" = x.; then
  ac_vpsub='/^[ 	]*VPATH[ 	]*=[^:]*$/d'
fi

trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15

# Transform confdefs.h into DEFS.
# Protect against shell expansion while executing Makefile rules.
# Protect against Makefile macro expansion.
cat > conftest.defs <<\EOF
s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
s%[ 	`~#$^&*(){}\\|;'"<>?]%\\&%g
s%\[%\\&%g
s%\]%\\&%g
s%\$%$$%g
EOF
DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
rm -f conftest.defs


# Without the "./", some shells look in PATH for config.status.
: ${CONFIG_STATUS=./config.status}

echo creating $CONFIG_STATUS
rm -f $CONFIG_STATUS
cat > $CONFIG_STATUS <<EOF
#! /bin/sh
# Generated automatically by configure.
# Run this file to recreate the current configuration.
# This directory was configured as follows,
# on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
#
# $0 $ac_configure_args
#
# Compiler output produced by configure, useful for debugging
# configure, is in ./config.log if it exists.

ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
for ac_option
do
  case "\$ac_option" in
  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
    echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
    exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
  -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
    echo "$CONFIG_STATUS generated by autoconf version 2.13"
    exit 0 ;;
  -help | --help | --hel | --he | --h)
    echo "\$ac_cs_usage"; exit 0 ;;
  *) echo "\$ac_cs_usage"; exit 1 ;;
  esac
done

ac_given_srcdir=$srcdir
ac_given_INSTALL="$INSTALL"

trap 'rm -fr `echo "Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
EOF
cat >> $CONFIG_STATUS <<EOF

# Protect against being on the right side of a sed subst in config.status.
sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
 s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
$ac_vpsub
$extrasub
s%@SHELL@%$SHELL%g
s%@CFLAGS@%$CFLAGS%g
s%@CPPFLAGS@%$CPPFLAGS%g
s%@CXXFLAGS@%$CXXFLAGS%g
s%@FFLAGS@%$FFLAGS%g
s%@DEFS@%$DEFS%g
s%@LDFLAGS@%$LDFLAGS%g
s%@LIBS@%$LIBS%g
s%@exec_prefix@%$exec_prefix%g
s%@prefix@%$prefix%g
s%@program_transform_name@%$program_transform_name%g
s%@bindir@%$bindir%g
s%@sbindir@%$sbindir%g
s%@libexecdir@%$libexecdir%g
s%@datadir@%$datadir%g
s%@sysconfdir@%$sysconfdir%g
s%@sharedstatedir@%$sharedstatedir%g
s%@localstatedir@%$localstatedir%g
s%@libdir@%$libdir%g
s%@includedir@%$includedir%g
s%@oldincludedir@%$oldincludedir%g
s%@infodir@%$infodir%g
s%@mandir@%$mandir%g
s%@host@%$host%g
s%@host_alias@%$host_alias%g
s%@host_cpu@%$host_cpu%g
s%@host_vendor@%$host_vendor%g
s%@host_os@%$host_os%g
s%@target@%$target%g
s%@target_alias@%$target_alias%g
s%@target_cpu@%$target_cpu%g
s%@target_vendor@%$target_vendor%g
s%@target_os@%$target_os%g
s%@build@%$build%g
s%@build_alias@%$build_alias%g
s%@build_cpu@%$build_cpu%g
s%@build_vendor@%$build_vendor%g
s%@build_os@%$build_os%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@LN@%$LN%g
s%@LN_S@%$LN_S%g
s%@TOPLEVEL_CONFIGURE_ARGUMENTS@%$TOPLEVEL_CONFIGURE_ARGUMENTS%g
s%@build_subdir@%$build_subdir%g
s%@host_subdir@%$host_subdir%g
s%@target_subdir@%$target_subdir%g
s%@CC@%$CC%g
s%@GNATBIND@%$GNATBIND%g
s%@do_compare@%$do_compare%g
s%@gmplibs@%$gmplibs%g
s%@gmpinc@%$gmpinc%g
s%@stage1_languages@%$stage1_languages%g
s%@DEFAULT_YACC@%$DEFAULT_YACC%g
s%@DEFAULT_M4@%$DEFAULT_M4%g
s%@DEFAULT_LEX@%$DEFAULT_LEX%g
s%@default_target@%$default_target%g
/@serialization_dependencies@/r $serialization_dependencies
s%@serialization_dependencies@%%g
/@host_makefile_frag@/r $host_makefile_frag
s%@host_makefile_frag@%%g
/@target_makefile_frag@/r $target_makefile_frag
s%@target_makefile_frag@%%g
/@alphaieee_frag@/r $alphaieee_frag
s%@alphaieee_frag@%%g
/@ospace_frag@/r $ospace_frag
s%@ospace_frag@%%g
s%@SET_LIB_PATH@%$SET_LIB_PATH%g
s%@RPATH_ENVVAR@%$RPATH_ENVVAR%g
s%@BUILD_PREFIX@%$BUILD_PREFIX%g
s%@BUILD_PREFIX_1@%$BUILD_PREFIX_1%g
s%@gcc_version_trigger@%$gcc_version_trigger%g
s%@gcc_version@%$gcc_version%g
s%@tooldir@%$tooldir%g
s%@build_tooldir@%$build_tooldir%g
s%@GDB_TK@%$GDB_TK%g
s%@gxx_include_dir@%$gxx_include_dir%g
s%@libstdcxx_incdir@%$libstdcxx_incdir%g
s%@build_configargs@%$build_configargs%g
s%@configure_build_modules@%$configure_build_modules%g
s%@all_build_modules@%$all_build_modules%g
s%@host_configargs@%$host_configargs%g
s%@configdirs@%$configdirs%g
s%@target_configargs@%$target_configargs%g
s%@target_configdirs@%$target_configdirs%g
s%@BISON@%$BISON%g
s%@CC_FOR_BUILD@%$CC_FOR_BUILD%g
s%@LEX@%$LEX%g
s%@MAKEINFO@%$MAKEINFO%g
s%@YACC@%$YACC%g
s%@config_shell@%$config_shell%g
s%@AR@%$AR%g
s%@ncn_cv_AR@%$ncn_cv_AR%g
s%@AS@%$AS%g
s%@ncn_cv_AS@%$ncn_cv_AS%g
s%@DLLTOOL@%$DLLTOOL%g
s%@ncn_cv_DLLTOOL@%$ncn_cv_DLLTOOL%g
s%@LD@%$LD%g
s%@ncn_cv_LD@%$ncn_cv_LD%g
s%@NM@%$NM%g
s%@ncn_cv_NM@%$ncn_cv_NM%g
s%@RANLIB@%$RANLIB%g
s%@ncn_cv_RANLIB@%$ncn_cv_RANLIB%g
s%@WINDRES@%$WINDRES%g
s%@ncn_cv_WINDRES@%$ncn_cv_WINDRES%g
s%@OBJCOPY@%$OBJCOPY%g
s%@ncn_cv_OBJCOPY@%$ncn_cv_OBJCOPY%g
s%@OBJDUMP@%$OBJDUMP%g
s%@ncn_cv_OBJDUMP@%$ncn_cv_OBJDUMP%g
s%@CXX@%$CXX%g
s%@CFLAGS_FOR_BUILD@%$CFLAGS_FOR_BUILD%g
s%@CONFIGURED_AR_FOR_TARGET@%$CONFIGURED_AR_FOR_TARGET%g
s%@ncn_cv_CONFIGURED_AR_FOR_TARGET@%$ncn_cv_CONFIGURED_AR_FOR_TARGET%g
s%@CONFIGURED_AS_FOR_TARGET@%$CONFIGURED_AS_FOR_TARGET%g
s%@ncn_cv_CONFIGURED_AS_FOR_TARGET@%$ncn_cv_CONFIGURED_AS_FOR_TARGET%g
s%@CONFIGURED_DLLTOOL_FOR_TARGET@%$CONFIGURED_DLLTOOL_FOR_TARGET%g
s%@ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET@%$ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET%g
s%@CONFIGURED_LD_FOR_TARGET@%$CONFIGURED_LD_FOR_TARGET%g
s%@ncn_cv_CONFIGURED_LD_FOR_TARGET@%$ncn_cv_CONFIGURED_LD_FOR_TARGET%g
s%@CONFIGURED_NM_FOR_TARGET@%$CONFIGURED_NM_FOR_TARGET%g
s%@ncn_cv_CONFIGURED_NM_FOR_TARGET@%$ncn_cv_CONFIGURED_NM_FOR_TARGET%g
s%@CONFIGURED_RANLIB_FOR_TARGET@%$CONFIGURED_RANLIB_FOR_TARGET%g
s%@ncn_cv_CONFIGURED_RANLIB_FOR_TARGET@%$ncn_cv_CONFIGURED_RANLIB_FOR_TARGET%g
s%@CONFIGURED_WINDRES_FOR_TARGET@%$CONFIGURED_WINDRES_FOR_TARGET%g
s%@ncn_cv_CONFIGURED_WINDRES_FOR_TARGET@%$ncn_cv_CONFIGURED_WINDRES_FOR_TARGET%g
s%@GCC_FOR_TARGET@%$GCC_FOR_TARGET%g
s%@FLAGS_FOR_TARGET@%$FLAGS_FOR_TARGET%g
s%@CC_FOR_TARGET@%$CC_FOR_TARGET%g
s%@GCJ_FOR_TARGET@%$GCJ_FOR_TARGET%g
s%@GFORTRAN_FOR_TARGET@%$GFORTRAN_FOR_TARGET%g
s%@CXX_FOR_TARGET@%$CXX_FOR_TARGET%g
s%@RAW_CXX_FOR_TARGET@%$RAW_CXX_FOR_TARGET%g
s%@CXX_FOR_TARGET_FOR_RECURSIVE_MAKE@%$CXX_FOR_TARGET_FOR_RECURSIVE_MAKE%g
s%@RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE@%$RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE%g
s%@AR_FOR_TARGET@%$AR_FOR_TARGET%g
s%@AS_FOR_TARGET@%$AS_FOR_TARGET%g
s%@DLLTOOL_FOR_TARGET@%$DLLTOOL_FOR_TARGET%g
s%@LD_FOR_TARGET@%$LD_FOR_TARGET%g
s%@NM_FOR_TARGET@%$NM_FOR_TARGET%g
s%@RANLIB_FOR_TARGET@%$RANLIB_FOR_TARGET%g
s%@WINDRES_FOR_TARGET@%$WINDRES_FOR_TARGET%g
s%@MAINTAINER_MODE_TRUE@%$MAINTAINER_MODE_TRUE%g
s%@MAINTAINER_MODE_FALSE@%$MAINTAINER_MODE_FALSE%g
s%@MAINT@%$MAINT%g
s%@stage1_cflags@%$stage1_cflags%g
s%@CREATE_LINK_TO_DIR@%$CREATE_LINK_TO_DIR%g
s%@UNDO_LINK_TO_DIR@%$UNDO_LINK_TO_DIR%g
s%@stage2_werror_flag@%$stage2_werror_flag%g

CEOF
EOF

cat >> $CONFIG_STATUS <<\EOF

# Split the substitutions into bite-sized pieces for seds with
# small command number limits, like on Digital OSF/1 and HP-UX.
ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
ac_file=1 # Number of current file.
ac_beg=1 # First line for current file.
ac_end=$ac_max_sed_cmds # Line after last line for current file.
ac_more_lines=:
ac_sed_cmds=""
while $ac_more_lines; do
  if test $ac_beg -gt 1; then
    sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
  else
    sed "${ac_end}q" conftest.subs > conftest.s$ac_file
  fi
  if test ! -s conftest.s$ac_file; then
    ac_more_lines=false
    rm -f conftest.s$ac_file
  else
    if test -z "$ac_sed_cmds"; then
      ac_sed_cmds="sed -f conftest.s$ac_file"
    else
      ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file"
    fi
    ac_file=`expr $ac_file + 1`
    ac_beg=$ac_end
    ac_end=`expr $ac_end + $ac_max_sed_cmds`
  fi
done
if test -z "$ac_sed_cmds"; then
  ac_sed_cmds=cat
fi
EOF

cat >> $CONFIG_STATUS <<EOF

CONFIG_FILES=\${CONFIG_FILES-"Makefile"}
EOF
cat >> $CONFIG_STATUS <<\EOF
for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
  case "$ac_file" in
  *:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
       ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
  *) ac_file_in="${ac_file}.in" ;;
  esac

  # Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.

  # Remove last slash and all that follows it.  Not all systems have dirname.
  ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
  if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
    # The file is in a subdirectory.
    test ! -d "$ac_dir" && mkdir "$ac_dir"
    ac_dir_suffix="/`echo $ac_dir|sed 's%^\./%%'`"
    # A "../" for each directory in $ac_dir_suffix.
    ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
  else
    ac_dir_suffix= ac_dots=
  fi

  case "$ac_given_srcdir" in
  .)  srcdir=.
      if test -z "$ac_dots"; then top_srcdir=.
      else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
  /*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
  *) # Relative path.
    srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
    top_srcdir="$ac_dots$ac_given_srcdir" ;;
  esac

  case "$ac_given_INSTALL" in
  [/$]*) INSTALL="$ac_given_INSTALL" ;;
  *) INSTALL="$ac_dots$ac_given_INSTALL" ;;
  esac

  echo creating "$ac_file"
  rm -f "$ac_file"
  configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
  case "$ac_file" in
  *Makefile*) ac_comsub="1i\\
# $configure_input" ;;
  *) ac_comsub= ;;
  esac

  ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_sr