Initial import

1 files changed, 2149 insertions, 0 deletions

diff --git a/contrib/diff/configure b/contrib/diff/configure
new file mode 100755
index 000000000000..b24ef2a94796
--- /dev/null
+++ b/contrib/diff/configure
@@ -0,0 +1,2149 @@
+#!/bin/sh
+
+# Guess values for system-dependent variables and create Makefiles.
+# Generated automatically using autoconf version 1.120 
+# Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+#
+# This configure script is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as published
+# by the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This script is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this script; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+# The redistribution and modification terms for this script do not affect
+# the terms for software that it configures.
+
+ac_help=
+
+# Omit some internal or obsolete options to make the list less imposing.
+ac_usage="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:
+  --exec-prefix=PREFIX    install host dependent files in PREFIX [/usr/local]
+  --prefix=PREFIX         install host independent files in PREFIX [/usr/local]
+  --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
+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
+--enable and --with options recognized:$ac_help"
+
+# Initialize some variables set by options.
+# The variables have the same names as the options, with
+# dashes changed to underlines.
+build=NONE
+cache_file=./config.cache
+exec_prefix=NONE
+host=NONE
+no_create=
+nonopt=NONE
+no_recursion=
+prefix=NONE
+program_prefix=NONE
+program_suffix=NONE
+program_transform_name=s,x,x,
+silent=
+srcdir=
+target=NONE
+verbose=
+x_includes=NONE
+x_libraries=NONE
+
+# Initialize some other variables.
+subdirs=
+
+ac_prev=
+for ac_option
+do
+
+  # If the previous option needs an argument, assign it.
+  if test -n "$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
+
+  -build | --build | --buil | --bui | --bu | --b)
+    ac_prev=build ;;
+  -build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
+    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" ;;
+
+  -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="$ac_optarg" ;;
+
+  -gas | --gas | --ga | --g)
+    # Obsolete; use --with-gas.
+    with_gas=yes ;;
+
+  -help | --help | --hel | --he)
+    cat << EOF
+$ac_usage
+EOF
+    exit 0 ;;
+
+  -host | --host | --hos | --ho)
+    ac_prev=host ;;
+  -host=* | --host=* | --hos=* | --ho=*)
+    host="$ac_optarg" ;;
+
+  -nfp | --nfp | --nf)
+    # Obsolete; use --without-fp.
+    with_fp=no ;;
+
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c)
+    no_create=yes ;;
+
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    no_recursion=yes ;;
+
+  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+    ac_prev=prefix ;;
+  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+    prefix="$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="$ac_optarg" ;;
+
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil)
+    silent=yes ;;
+
+  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+    ac_prev=srcdir ;;
+  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+    srcdir="$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 1.120"
+    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 $ac_clean_files; exit 1' 1 2 15
+
+# File descriptor usage:
+# 0 unused; standard input
+# 1 file creation
+# 2 errors and warnings
+# 3 unused; some systems may open it to /dev/tty
+# 4 checking for... messages and results
+# 5 compiler messages saved in config.log
+if test "$silent" = yes; then
+  exec 4>/dev/null
+else
+  exec 4>&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 $ac_arg" ;;
+  esac
+done
+
+# NLS nuisances.
+# Only set LANG and LC_ALL to C if already set.
+# These must not be set unconditionally because not all systems understand
+# e.g. LANG=C (notably SCO).
+if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
+if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -rf conftest* confdefs.h
+# AIX cpp loses on an empty file, so make sure it contains at least a newline.
+echo > confdefs.h
+
+# A filename unique to this package, relative to the directory that
+# configure is in, which we can look for to find out if srcdir is correct.
+ac_unique_file=diff.h
+
+# Find the source files, if location was not specified.
+if test -z "$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 $srcdir" 1>&2; exit 1; }
+  fi
+fi
+
+# Prefer explicitly selected file to automatically selected ones.
+if test -z "$CONFIG_SITE"; then
+  if test "x$prefix" != xNONE; then
+    CONFIG_SITE=$prefix/lib/config.site
+  else
+    CONFIG_SITE=/usr/local/lib/config.site
+  fi
+  # System dependent files override system independent ones.
+  if test "x$exec_prefix" != xNONE && test "x$exec_prefix" != "x$prefix"; then
+    CONFIG_SITE="$CONFIG_SITE $exec_prefix/lib/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 $CPPFLAGS'
+ac_link='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext -o conftest $LIBS 1>&5 2>&5'
+
+if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
+  # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
+  if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
+    ac_n= ac_c='
+' ac_t='	'
+  else
+    ac_n=-n ac_c= ac_t=
+  fi
+else
+  ac_n= ac_c='\c' ac_t=
+fi
+
+
+
+if test "$program_transform_name" = s,x,x,; then
+  program_transform_name=
+else
+  # Double any \ or $.
+  echo 's,\\,\\\\,g; s,\$,$$,g' > conftestsed
+  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,"
+
+# 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""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CC="gcc"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  test -z "$ac_cv_prog_CC" && ac_cv_prog_CC="cc"
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&4
+else
+  echo "$ac_t""no" 1>&4
+fi
+
+
+echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_prog_gcc'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.c <<EOF
+#ifdef __GNUC__
+  yes
+#endif
+EOF
+if ${CC-cc} -E conftest.c 2>&5 | egrep yes >/dev/null 2>&1; then
+  ac_cv_prog_gcc=yes
+else
+  ac_cv_prog_gcc=no
+fi
+fi
+echo "$ac_t""$ac_cv_prog_gcc" 1>&4
+if test $ac_cv_prog_gcc = yes; then
+  GCC=yes
+  if test "${CFLAGS+set}" != set; then
+    echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_prog_gcc_g'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  echo 'void f(){}' > conftest.c
+if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
+  ac_cv_prog_gcc_g=yes
+else
+  ac_cv_prog_gcc_g=no
+fi
+rm -f conftest*
+
+fi
+    echo "$ac_t""$ac_cv_prog_gcc_g" 1>&4
+    if test $ac_cv_prog_gcc_g = yes; then
+      CFLAGS="-g -O"
+    else
+      CFLAGS="-O"
+    fi
+  fi
+else
+  GCC=
+  test "${CFLAGS+set}" = set || CFLAGS="-g"
+fi
+
+echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&4
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+if eval "test \"`echo '${'ac_cv_prog_CPP'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+    # This must be in double quotes, not single quotes, because CPP may get
+  # substituted into the Makefile and "${CC-cc}" will confuse make.
+  CPP="${CC-cc} -E"
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp.
+  cat > conftest.$ac_ext <<EOF
+#line 513 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+Syntax Error
+EOF
+eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  :
+else
+  echo "$ac_err" >&5
+  rm -rf conftest*
+  CPP="${CC-cc} -E -traditional-cpp"
+  cat > conftest.$ac_ext <<EOF
+#line 527 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+Syntax Error
+EOF
+eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  :
+else
+  echo "$ac_err" >&5
+  rm -rf conftest*
+  CPP=/lib/cpp
+fi
+rm -f conftest*
+fi
+rm -f conftest*
+  ac_cv_prog_CPP="$CPP"
+fi
+fi
+CPP="$ac_cv_prog_CPP"
+echo "$ac_t""$CPP" 1>&4
+
+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.
+
+# 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
+# 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""... $ac_c" 1>&4
+if test -z "$INSTALL"; then
+if eval "test \"`echo '${'ac_cv_path_install'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+    IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    case "$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.
+      for ac_prog in ginstall installbsd 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.
+	    # OSF/1 installbsd also uses dspmsg, but is usable.
+	    :
+	  else
+	    ac_cv_path_install="$ac_dir/$ac_prog -c"
+	    break 2
+	  fi
+	fi
+      done
+      ;;
+    esac
+  done
+  IFS="$ac_save_ifs"
+  # As a last resort, use the slow shell script.
+  test -z "$ac_cv_path_install" && ac_cv_path_install="$ac_install_sh"
+fi
+  INSTALL="$ac_cv_path_install"
+fi
+echo "$ac_t""$INSTALL" 1>&4
+
+# 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_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+echo $ac_n "checking for POSIXized ISC""... $ac_c" 1>&4
+if test -d /etc/conf/kconfig.d &&
+  grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
+then
+  echo "$ac_t""yes" 1>&4
+  ISC=yes # If later tests want to check for ISC.
+  cat >> confdefs.h <<\EOF
+#define _POSIX_SOURCE 1
+EOF
+
+  if test "$GCC" = yes; then
+    CC="$CC -posix"
+  else
+    CC="$CC -Xp"
+  fi
+else
+  echo "$ac_t""no" 1>&4
+  ISC=
+fi
+
+ac_safe=`echo "minix/config.h" | tr './' '__'`
+echo $ac_n "checking for minix/config.h""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 646 "configure"
+#include "confdefs.h"
+#include <minix/config.h>
+EOF
+eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+  MINIX=yes
+else
+  echo "$ac_t""no" 1>&4
+MINIX=
+fi
+
+if test "$MINIX" = yes; then
+  cat >> confdefs.h <<\EOF
+#define _POSIX_SOURCE 1
+EOF
+
+  cat >> confdefs.h <<\EOF
+#define _POSIX_1_SOURCE 2
+EOF
+
+  cat >> confdefs.h <<\EOF
+#define _MINIX 1
+EOF
+
+fi
+
+echo $ac_n "checking for working const""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_c_const'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 690 "configure"
+#include "confdefs.h"
+
+int main() { return 0; }
+int t() {
+
+/* Ultrix mips cc rejects this.  */
+typedef int charset[2]; const charset x;
+/* SunOS 4.1.1 cc rejects this.  */
+char const *const *ccp;
+char **p;
+/* NEC SVR4.0.2 mips cc rejects this.  */
+struct point {int x, y;};
+static struct point const zero;
+/* AIX XL C 1.02.0.0 rejects this.
+   It does not let you subtract one const X* pointer from another in an arm
+   of an if-expression whose if-part is not a constant expression */
+const char *g = "string";
+ccp = &g + (g ? g-g : 0);
+/* HPUX 7.0 cc rejects these. */
+++ccp;
+p = (char**) ccp;
+ccp = (char const *const *) p;
+{ /* SCO 3.2v4 cc rejects this.  */
+  char *t;
+  char const *s = 0 ? (char *) 0 : (char const *) 0;
+
+  *t++ = 0;
+}
+{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
+  int x[] = {25, 17};
+  const int *foo = &x[0];
+  ++foo;
+}
+{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
+  typedef const int *iptr;
+  iptr p = 0;
+  ++p;
+}
+{ /* AIX XL C 1.02.0.0 rejects this saying
+     "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
+  struct s { int j; const int *ap[3]; };
+  struct s *b; b->j = 5;
+}
+{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
+  const int foo = 10;
+}
+
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  ac_cv_c_const=yes
+else
+  rm -rf conftest*
+  ac_cv_c_const=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_c_const" 1>&4
+if test $ac_cv_c_const = no; then
+  cat >> confdefs.h <<\EOF
+#define const 
+EOF
+
+fi
+
+# If we cannot run a trivial program, we must be cross compiling.
+echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_c_cross'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_cross=yes
+else
+cat > conftest.$ac_ext <<EOF
+#line 767 "configure"
+#include "confdefs.h"
+main(){return(0);}
+EOF
+eval $ac_link
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  ac_cv_c_cross=no
+else
+  ac_cv_c_cross=yes
+fi
+fi
+rm -fr conftest*
+fi
+cross_compiling=$ac_cv_c_cross
+echo "$ac_t""$ac_cv_c_cross" 1>&4
+
+echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_header_stdc'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 788 "configure"
+#include "confdefs.h"
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+EOF
+eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  ac_cv_header_stdc=yes
+else
+  echo "$ac_err" >&5
+  rm -rf conftest*
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+cat > conftest.$ac_ext <<EOF
+#line 810 "configure"
+#include "confdefs.h"
+#include <string.h>
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "memchr" >/dev/null 2>&1; then
+  :
+else
+  rm -rf conftest*
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+cat > conftest.$ac_ext <<EOF
+#line 828 "configure"
+#include "confdefs.h"
+#include <stdlib.h>
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "free" >/dev/null 2>&1; then
+  :
+else
+  rm -rf conftest*
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+if test "$cross_compiling" = yes; then
+  ac_cv_header_stdc=no
+else
+cat > conftest.$ac_ext <<EOF
+#line 849 "configure"
+#include "confdefs.h"
+#include <ctype.h>
+#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int main () { int i; for (i = 0; i < 256; i++)
+if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
+exit (0); }
+
+EOF
+eval $ac_link
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  :
+else
+  ac_cv_header_stdc=no
+fi
+fi
+rm -fr conftest*
+fi
+fi
+echo "$ac_t""$ac_cv_header_stdc" 1>&4
+if test $ac_cv_header_stdc = yes; then
+  cat >> confdefs.h <<\EOF
+#define STDC_HEADERS 1
+EOF
+
+fi
+
+for ac_hdr in unistd.h fcntl.h limits.h stdlib.h string.h sys/file.h time.h
+do
+ac_safe=`echo "$ac_hdr" | tr './' '__'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 886 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+    ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./' '[A-Z]__'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&4
+fi
+done
+
+ac_header_dirent=no
+for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
+do
+ac_safe=`echo "$ac_hdr" | tr './' '__'`
+echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 923 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <$ac_hdr>
+int main() { return 0; }
+int t() {
+DIR *dirp = 0;
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  eval "ac_cv_header_dirent_$ac_safe=yes"
+else
+  rm -rf conftest*
+  eval "ac_cv_header_dirent_$ac_safe=no"
+fi
+rm -f conftest*
+
+fi
+if eval "test \"`echo '$ac_cv_header_dirent_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+    ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./' '[A-Z]__'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ ac_header_dirent=$ac_hdr; break
+else
+  echo "$ac_t""no" 1>&4
+fi
+done
+# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix,
+# and -lx contains other useful things as well.  (FIXME what are they?)
+if test $ac_header_dirent = dirent.h; then
+echo $ac_n "checking for -ldir""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_lib_dir'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  ac_save_LIBS="$LIBS"
+LIBS="$LIBS -ldir "
+cat > conftest.$ac_ext <<EOF
+#line 963 "configure"
+#include "confdefs.h"
+
+int main() { return 0; }
+int t() {
+opendir()
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  eval "ac_cv_lib_dir=yes"
+else
+  rm -rf conftest*
+  eval "ac_cv_lib_dir=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'dir`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+  LIBS="$LIBS -ldir"
+else
+  echo "$ac_t""no" 1>&4
+fi
+
+fi
+echo $ac_n "checking for -lx""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_lib_x'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  ac_save_LIBS="$LIBS"
+LIBS="$LIBS -lx "
+cat > conftest.$ac_ext <<EOF
+#line 997 "configure"
+#include "confdefs.h"
+
+int main() { return 0; }
+int t() {
+main()
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  eval "ac_cv_lib_x=yes"
+else
+  rm -rf conftest*
+  eval "ac_cv_lib_x=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'x`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+  LIBS="$LIBS -lx"
+else
+  echo "$ac_t""no" 1>&4
+fi
+
+
+echo $ac_n "checking whether stat file-mode macros are broken""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_header_stat_broken'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1029 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef S_ISBLK
+# if S_ISBLK (S_IFDIR)
+You lose.
+# endif
+# ifdef S_IFCHR
+#  if S_ISBLK (S_IFCHR)
+You lose.
+#  endif
+# endif
+#endif
+
+#ifdef S_ISLNK
+# if S_ISLNK (S_IFREG)
+You lose.
+# endif
+#endif
+
+#ifdef S_ISSOCK
+# if S_ISSOCK (S_IFREG)
+You lose.
+# endif
+#endif
+
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "You lose" >/dev/null 2>&1; then
+  rm -rf conftest*
+  ac_cv_header_stat_broken=yes
+else
+  rm -rf conftest*
+  ac_cv_header_stat_broken=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_header_stat_broken" 1>&4
+if test $ac_cv_header_stat_broken = yes; then
+  cat >> confdefs.h <<\EOF
+#define STAT_MACROS_BROKEN 1
+EOF
+
+fi
+
+echo $ac_n "checking for sys/wait.h that is compatible with Posix.1""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1081 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/wait.h>
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
+#endif
+#ifndef WIFEXITED
+#define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
+#endif
+int main() { return 0; }
+int t() {
+int s;
+wait (&s);
+waitpid (0, &s, 0);
+s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  ac_cv_header_sys_wait_h=yes
+else
+  rm -rf conftest*
+  ac_cv_header_sys_wait_h=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_header_sys_wait_h" 1>&4
+if test $ac_cv_header_sys_wait_h = yes; then
+  cat >> confdefs.h <<\EOF
+#define HAVE_SYS_WAIT_H 1
+EOF
+
+fi
+
+echo $ac_n "checking for pid_t""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_type_pid_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1122 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#endif
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "pid_t" >/dev/null 2>&1; then
+  rm -rf conftest*
+  ac_cv_type_pid_t=yes
+else
+  rm -rf conftest*
+  ac_cv_type_pid_t=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_type_pid_t" 1>&4
+if test $ac_cv_type_pid_t = no; then
+  cat >> confdefs.h <<\EOF
+#define pid_t int
+EOF
+
+fi
+
+echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_type_signal'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1153 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <signal.h>
+#ifdef signal
+#undef signal
+#endif
+extern void (*signal ()) ();
+int main() { return 0; }
+int t() {
+int i;
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  ac_cv_type_signal=void
+else
+  rm -rf conftest*
+  ac_cv_type_signal=int
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_type_signal" 1>&4
+cat >> confdefs.h <<EOF
+#define RETSIGTYPE $ac_cv_type_signal
+EOF
+
+
+for ac_func in dup2 memchr sigaction strchr strerror tmpnam
+do
+echo $ac_n "checking for $ac_func""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_func_$ac_func'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1189 "configure"
+#include "confdefs.h"
+#include <ctype.h> /* Arbitrary system header to define __stub macros. */
+int main() { return 0; }
+int t() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+/* Override any gcc2 internal prototype to avoid an error.  */
+char $ac_func(); $ac_func();
+#endif
+
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=yes"
+else
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=no"
+fi
+rm -f conftest*
+
+fi
+if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+    ac_tr_func=HAVE_`echo $ac_func | tr '[a-z]' '[A-Z]'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_func 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&4
+fi
+done
+
+for ac_func in memchr waitpid
+do
+echo $ac_n "checking for $ac_func""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_func_$ac_func'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1236 "configure"
+#include "confdefs.h"
+#include <ctype.h> /* Arbitrary system header to define __stub macros. */
+int main() { return 0; }
+int t() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+/* Override any gcc2 internal prototype to avoid an error.  */
+char $ac_func(); $ac_func();
+#endif
+
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=yes"
+else
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=no"
+fi
+rm -f conftest*
+
+fi
+if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+  :
+else
+  echo "$ac_t""no" 1>&4
+LIBOBJS="$LIBOBJS ${ac_func}.o"
+fi
+
+done
+
+# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
+# for constant arguments.  Useless!
+echo $ac_n "checking for working alloca.h""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_header_alloca_h'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1281 "configure"
+#include "confdefs.h"
+#include <alloca.h>
+int main() { return 0; }
+int t() {
+char *p = alloca(2 * sizeof(int));
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  ac_cv_header_alloca_h=yes
+else
+  rm -rf conftest*
+  ac_cv_header_alloca_h=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_header_alloca_h" 1>&4
+if test $ac_cv_header_alloca_h = yes; then
+  cat >> confdefs.h <<\EOF
+#define HAVE_ALLOCA_H 1
+EOF
+
+fi
+
+echo $ac_n "checking for alloca""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_func_alloca'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1312 "configure"
+#include "confdefs.h"
+
+#ifdef __GNUC__
+# define alloca __builtin_alloca
+#else
+# if HAVE_ALLOCA_H
+#  include <alloca.h>
+# else
+#  ifdef _AIX
+ #pragma alloca
+#  else
+#   ifndef alloca /* predefined by HP cc +Olibcalls */
+char *alloca ();
+#   endif
+#  endif
+# endif
+#endif
+
+int main() { return 0; }
+int t() {
+char *p = (char *) alloca(1);
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  ac_cv_func_alloca=yes
+else
+  rm -rf conftest*
+  ac_cv_func_alloca=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_func_alloca" 1>&4
+if test $ac_cv_func_alloca = yes; then
+  cat >> confdefs.h <<\EOF
+#define HAVE_ALLOCA 1
+EOF
+
+fi
+
+if test $ac_cv_func_alloca = no; then
+  # The SVR3 libPW and SVR4 libucb both contain incompatible functions
+  # that cause trouble.  Some versions do not even contain alloca or
+  # contain a buggy version.  If you still want to use their alloca,
+  # use ar to extract alloca.o from them instead of compiling alloca.c.
+  ALLOCA=alloca.o
+  cat >> confdefs.h <<\EOF
+#define C_ALLOCA 1
+EOF
+
+
+echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_os_cray'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1370 "configure"
+#include "confdefs.h"
+#if defined(CRAY) && ! defined(CRAY2)
+webecray
+#else
+wenotbecray
+#endif
+
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "webecray" >/dev/null 2>&1; then
+  rm -rf conftest*
+  ac_cv_os_cray=yes
+else
+  rm -rf conftest*
+  ac_cv_os_cray=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_os_cray" 1>&4
+if test $ac_cv_os_cray = yes; then
+echo $ac_n "checking for _getb67""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_func__getb67'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1397 "configure"
+#include "confdefs.h"
+#include <ctype.h> /* Arbitrary system header to define __stub macros. */
+int main() { return 0; }
+int t() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub__getb67) || defined (__stub____getb67)
+choke me
+#else
+/* Override any gcc2 internal prototype to avoid an error.  */
+char _getb67(); _getb67();
+#endif
+
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  eval "ac_cv_func__getb67=yes"
+else
+  rm -rf conftest*
+  eval "ac_cv_func__getb67=no"
+fi
+rm -f conftest*
+
+fi
+if eval "test \"`echo '$ac_cv_func_'_getb67`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+  cat >> confdefs.h <<\EOF
+#define CRAY_STACKSEG_END _getb67
+EOF
+
+else
+  echo "$ac_t""no" 1>&4
+echo $ac_n "checking for GETB67""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_func_GETB67'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1438 "configure"
+#include "confdefs.h"
+#include <ctype.h> /* Arbitrary system header to define __stub macros. */
+int main() { return 0; }
+int t() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_GETB67) || defined (__stub___GETB67)
+choke me
+#else
+/* Override any gcc2 internal prototype to avoid an error.  */
+char GETB67(); GETB67();
+#endif
+
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  eval "ac_cv_func_GETB67=yes"
+else
+  rm -rf conftest*
+  eval "ac_cv_func_GETB67=no"
+fi
+rm -f conftest*
+
+fi
+if eval "test \"`echo '$ac_cv_func_'GETB67`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+  cat >> confdefs.h <<\EOF
+#define CRAY_STACKSEG_END GETB67
+EOF
+
+else
+  echo "$ac_t""no" 1>&4
+echo $ac_n "checking for getb67""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_func_getb67'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1479 "configure"
+#include "confdefs.h"
+#include <ctype.h> /* Arbitrary system header to define __stub macros. */
+int main() { return 0; }
+int t() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_getb67) || defined (__stub___getb67)
+choke me
+#else
+/* Override any gcc2 internal prototype to avoid an error.  */
+char getb67(); getb67();
+#endif
+
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  eval "ac_cv_func_getb67=yes"
+else
+  rm -rf conftest*
+  eval "ac_cv_func_getb67=no"
+fi
+rm -f conftest*
+
+fi
+if eval "test \"`echo '$ac_cv_func_'getb67`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+  cat >> confdefs.h <<\EOF
+#define CRAY_STACKSEG_END getb67
+EOF
+
+else
+  echo "$ac_t""no" 1>&4
+fi
+
+fi
+
+fi
+
+fi
+
+echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_c_stack_direction'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_c_stack_direction=0
+else
+cat > conftest.$ac_ext <<EOF
+#line 1531 "configure"
+#include "confdefs.h"
+find_stack_direction ()
+{
+  static char *addr = 0;
+  auto char dummy;
+  if (addr == 0)
+    {
+      addr = &dummy;
+      return find_stack_direction ();
+    }
+  else
+    return (&dummy > addr) ? 1 : -1;
+}
+main ()
+{
+  exit (find_stack_direction() < 0);
+}
+EOF
+eval $ac_link
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  ac_cv_c_stack_direction=1
+else
+  ac_cv_c_stack_direction=-1
+fi
+fi
+rm -fr conftest*
+fi
+echo "$ac_t""$ac_cv_c_stack_direction" 1>&4
+cat >> confdefs.h <<EOF
+#define STACK_DIRECTION $ac_cv_c_stack_direction
+EOF
+
+fi
+
+echo $ac_n "checking whether closedir returns void""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_func_closedir_void'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  if test "$cross_compiling" = yes; then
+    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+else
+cat > conftest.$ac_ext <<EOF
+#line 1574 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <$ac_header_dirent>
+int closedir(); main() { exit(closedir(opendir(".")) != 0); }
+EOF
+eval $ac_link
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  ac_cv_func_closedir_void=no
+else
+  ac_cv_func_closedir_void=yes
+fi
+fi
+rm -fr conftest*
+fi
+echo "$ac_t""$ac_cv_func_closedir_void" 1>&4
+if test $ac_cv_func_closedir_void = yes; then
+  cat >> confdefs.h <<\EOF
+#define CLOSEDIR_VOID 1
+EOF
+
+fi
+
+ac_safe=`echo "vfork.h" | tr './' '__'`
+echo $ac_n "checking for vfork.h""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1603 "configure"
+#include "confdefs.h"
+#include <vfork.h>
+EOF
+eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+  cat >> confdefs.h <<\EOF
+#define HAVE_VFORK_H 1
+EOF
+
+else
+  echo "$ac_t""no" 1>&4
+fi
+
+echo $ac_n "checking for working vfork""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_func_vfork'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  
+if test "$cross_compiling" = yes; then
+  ac_cv_func_vfork=no
+else
+cat > conftest.$ac_ext <<EOF
+#line 1638 "configure"
+#include "confdefs.h"
+/* Thanks to Paul Eggert for this test.  */
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <signal.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_VFORK_H
+#include <vfork.h>
+#endif
+/* On sparc systems, changes by the child to local and incoming
+   argument registers are propagated back to the parent.
+   The compiler is told about this with #include <vfork.h>,
+   but some compilers (e.g. gcc -O) don't grok <vfork.h>.
+   Test for this by using a static variable whose address
+   is put into a register that is clobbered by the vfork.  */
+static
+#ifdef __cplusplus
+sparc_address_test (int arg)
+#else
+sparc_address_test (arg) int arg;
+#endif
+{
+  static pid_t child;
+  if (!child) {
+    child = vfork ();
+    if (child < 0)
+      perror ("vfork");
+    if (!child) {
+      arg = getpid();
+      write(-1, "", 0);
+      _exit (arg);
+    }
+  }
+}
+static int signalled;
+static RETSIGTYPE catch (s) int s; { signalled = 1; }
+main() {
+  pid_t parent = getpid ();
+  pid_t child;
+
+  sparc_address_test ();
+
+  signal (SIGINT, catch);
+
+  child = vfork ();
+
+  if (child == 0) {
+    /* Here is another test for sparc vfork register problems.
+       This test uses lots of local variables, at least
+       as many local variables as main has allocated so far
+       including compiler temporaries.  4 locals are enough for
+       gcc 1.40.3 on a sparc, but we use 8 to be safe.
+       A buggy compiler should reuse the register of parent
+       for one of the local variables, since it will think that
+       parent can't possibly be used any more in this routine.
+       Assigning to the local variable will thus munge parent
+       in the parent process.  */
+    pid_t
+      p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),
+      p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();
+    /* Convince the compiler that p..p7 are live; otherwise, it might
+       use the same hardware register for all 8 local variables.  */
+    if (p != p1 || p != p2 || p != p3 || p != p4
+	|| p != p5 || p != p6 || p != p7)
+      _exit(1);
+
+    /* On some systems (e.g. SunOS 5.2), if the parent is catching
+       a signal, the child ignores the signal before execing,
+       and the parent later receives that signal, the parent dumps core.
+       Test for this by ignoring SIGINT in the child.  */
+    signal (SIGINT, SIG_IGN);
+
+    /* On some systems (e.g. IRIX 3.3),
+       vfork doesn't separate parent from child file descriptors.
+       If the child closes a descriptor before it execs or exits,
+       this munges the parent's descriptor as well.
+       Test for this by closing stdout in the child.  */
+    _exit(close(fileno(stdout)) != 0);
+  } else {
+    int status;
+    struct stat st;
+
+    while (wait(&status) != child)
+      ;
+    exit(
+	 /* Was there some problem with vforking?  */
+	 child < 0
+
+	 /* Did the child fail?  (This shouldn't happen.)  */
+	 || status
+
+	 /* Did the vfork/compiler bug occur?  */
+	 || parent != getpid()
+
+	 /* Did the signal handling bug occur?  */
+	 || kill(parent, SIGINT) != 0
+	 || signalled != 1
+
+	 /* Did the file descriptor bug occur?  */
+	 || fstat(fileno(stdout), &st) != 0
+	 );
+  }
+}
+EOF
+eval $ac_link
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  ac_cv_func_vfork=yes
+else
+  ac_cv_func_vfork=no
+fi
+fi
+rm -fr conftest*
+fi
+echo "$ac_t""$ac_cv_func_vfork" 1>&4
+if test $ac_cv_func_vfork = no; then
+  cat >> confdefs.h <<\EOF
+#define vfork fork
+EOF
+
+fi
+
+echo $ac_n "checking for vprintf""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_func_vprintf'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1768 "configure"
+#include "confdefs.h"
+#include <ctype.h> /* Arbitrary system header to define __stub macros. */
+int main() { return 0; }
+int t() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_vprintf) || defined (__stub___vprintf)
+choke me
+#else
+/* Override any gcc2 internal prototype to avoid an error.  */
+char vprintf(); vprintf();
+#endif
+
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  eval "ac_cv_func_vprintf=yes"
+else
+  rm -rf conftest*
+  eval "ac_cv_func_vprintf=no"
+fi
+rm -f conftest*
+
+fi
+if eval "test \"`echo '$ac_cv_func_'vprintf`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+  cat >> confdefs.h <<\EOF
+#define HAVE_VPRINTF 1
+EOF
+
+else
+  echo "$ac_t""no" 1>&4
+fi
+
+if test "$ac_cv_func_vprintf" != yes; then
+echo $ac_n "checking for _doprnt""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_func__doprnt'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1812 "configure"
+#include "confdefs.h"
+#include <ctype.h> /* Arbitrary system header to define __stub macros. */
+int main() { return 0; }
+int t() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub__doprnt) || defined (__stub____doprnt)
+choke me
+#else
+/* Override any gcc2 internal prototype to avoid an error.  */
+char _doprnt(); _doprnt();
+#endif
+
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  eval "ac_cv_func__doprnt=yes"
+else
+  rm -rf conftest*
+  eval "ac_cv_func__doprnt=no"
+fi
+rm -f conftest*
+
+fi
+if eval "test \"`echo '$ac_cv_func_'_doprnt`\" = yes"; then
+  echo "$ac_t""yes" 1>&4
+  cat >> confdefs.h <<\EOF
+#define HAVE_DOPRNT 1
+EOF
+
+else
+  echo "$ac_t""no" 1>&4
+fi
+
+fi
+
+echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&4
+if eval "test \"`echo '${'ac_cv_struct_st_blksize'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1857 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+int main() { return 0; }
+int t() {
+struct stat s; s.st_blksize;
+; return 0; }
+EOF
+if eval $ac_link; then
+  rm -rf conftest*
+  ac_cv_struct_st_blksize=yes
+else
+  rm -rf conftest*
+  ac_cv_struct_st_blksize=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_struct_st_blksize" 1>&4
+if test $ac_cv_struct_st_blksize = yes; then
+  cat >> confdefs.h <<\EOF
+#define HAVE_ST_BLKSIZE 1
+EOF
+
+fi
+
+trap '' 1 2 15
+if test -w $cache_file; then
+echo "updating cache $cache_file"
+cat > $cache_file <<\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
+# Ultrix sh set writes to stderr and can't be redirected directly.
+(set) 2>&1 |
+  sed -n "s/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/: \${\1='\2'}/p" \
+  >> $cache_file
+else
+echo "not updating unwritable cache $cache_file"
+fi
+
+trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
+
+test "x$prefix" = xNONE && prefix=/usr/local
+# 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
+
+DEFS=-DHAVE_CONFIG_H
+
+# 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 1.120"
+    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 Makefile config.h:config.hin conftest*; exit 1' 1 2 15
+
+# 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
+$extrasub
+s%@CFLAGS@%$CFLAGS%g
+s%@CPPFLAGS@%$CPPFLAGS%g
+s%@CXXFLAGS@%$CXXFLAGS%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%@CC@%$CC%g
+s%@CPP@%$CPP%g
+s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
+s%@INSTALL_DATA@%$INSTALL_DATA%g
+s%@LIBOBJS@%$LIBOBJS%g
+s%@ALLOCA@%$ALLOCA%g
+
+CEOF
+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]", 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 relative srcdir, etc. 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 "$ac_dir"
+    ac_dir_suffix="/$ac_dir"
+    # 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\\
+# $configure_input" ;;
+  *) ac_comsub= ;;
+  esac
+  sed -e "$ac_comsub
+s%@configure_input@%$configure_input%g
+s%@srcdir@%$srcdir%g
+s%@top_srcdir@%$top_srcdir%g
+s%@INSTALL@%$INSTALL%g
+" -f conftest.subs $ac_given_srcdir/$ac_file_in > $ac_file
+fi; done
+rm -f conftest.subs
+
+# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
+# NAME is the cpp macro being defined and VALUE is the value it is being given.
+#
+# ac_d sets the value in "#define NAME VALUE" lines.
+ac_dA='s%^\([ 	]*\)#\([ 	]*define[ 	][ 	]*\)'
+ac_dB='\([ 	][ 	]*\)[^ 	]*%\1#\2'
+ac_dC='\3'
+ac_dD='%g'
+# ac_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
+ac_uA='s%^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
+ac_uB='\([ 	]\)%\1#\2define\3'
+ac_uC=' '
+ac_uD='\4%g'
+# ac_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
+ac_eA='s%^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
+ac_eB='$%\1#\2define\3'
+ac_eC=' '
+ac_eD='%g'
+
+CONFIG_HEADERS=${CONFIG_HEADERS-"config.h:config.hin"}
+for ac_file in .. $CONFIG_HEADERS; do if test "x$ac_file" != x..; then
+  # Support "outfile[: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
+
+  echo creating $ac_file
+
+  rm -f conftest.frag conftest.in conftest.out
+  cp $ac_given_srcdir/$ac_file_in conftest.in
+
+EOF
+
+# Transform confdefs.h into a sed script conftest.vals that substitutes
+# the proper values into config.h.in to produce config.h.  And first:
+# Protect against being on the right side of a sed subst in config.status. 
+# Protect against being in an unquoted here document in config.status.
+rm -f conftest.vals
+cat > conftest.hdr <<\EOF
+s/[\\&%]/\\&/g
+s%[\\$`]%\\&%g
+s%#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
+s%ac_d%ac_u%gp
+s%ac_u%ac_e%gp
+EOF
+sed -n -f conftest.hdr confdefs.h > conftest.vals
+rm -f conftest.hdr
+
+# This sed command replaces #undef with comments.  This is necessary, for
+# example, in the case of _POSIX_SOURCE, which is predefined and required
+# on some systems where configure will not decide to define it.
+cat >> conftest.vals <<\EOF
+s%^[ 	]*#[ 	]*undef[ 	][ 	]*[a-zA-Z_][a-zA-Z_0-9]*%/* & */%
+EOF
+
+# Break up conftest.vals because some shells have a limit on
+# the size of here documents, and old seds have small limits too.
+# Maximum number of lines to put in a single here document.
+ac_max_here_lines=12
+
+rm -f conftest.tail
+while :
+do
+  ac_lines=`grep -c . conftest.vals`
+  # grep -c gives empty output for an empty file on some AIX systems.
+  if test -z "$ac_lines" || test "$ac_lines" -eq 0; then break; fi
+  # Write a limited-size here document to conftest.frag.
+  echo '  cat > conftest.frag <<CEOF' >> $CONFIG_STATUS
+  sed ${ac_max_here_lines}q conftest.vals >> $CONFIG_STATUS
+  echo 'CEOF
+  sed -f conftest.frag conftest.in > conftest.out
+  rm -f conftest.in
+  mv conftest.out conftest.in
+' >> $CONFIG_STATUS
+  sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail
+  rm -f conftest.vals
+  mv conftest.tail conftest.vals
+done
+rm -f conftest.vals
+
+cat >> $CONFIG_STATUS <<\EOF
+  rm -f conftest.frag conftest.h
+  echo "/* $ac_file.  Generated automatically by configure.  */" > conftest.h
+  cat conftest.in >> conftest.h
+  rm -f conftest.in
+  if cmp -s $ac_file conftest.h 2>/dev/null; then
+    echo "$ac_file is unchanged"
+    rm -f conftest.h
+  else
+    rm -f $ac_file
+    mv conftest.h $ac_file
+  fi
+fi; done
+
+
+date > stamp-h
+exit 0
+EOF
+chmod +x $CONFIG_STATUS
+rm -fr confdefs* $ac_clean_files
+test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS
+