Initial revision

6 files changed, 1127 insertions, 0 deletions

diff --git a/util/autoconf/autoconf b/util/autoconf/autoconf
new file mode 100755
index 0000000..5358738
--- /dev/null
+++ b/util/autoconf/autoconf
@@ -0,0 +1,152 @@
+#!/bin/sh
+# autoconf -- create `configure' using m4 macros
+# Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
+
+# This program 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 program 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 program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# If given no args, create `configure' from template file `configure.in'.
+# With one arg, create a configure script on standard output from
+# the given template file.
+
+usage="\
+Usage: autoconf [-h] [--help] [-m dir] [--macrodir=dir] 
+       [-l dir] [--localdir=dir] [--version] [template-file]" 
+
+# 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
+
+test -z "${AC_MACRODIR}" && AC_MACRODIR=/usr/local/share/autoconf
+test -z "${M4}" && M4=/mit/gnu/rsaixbin/gm4
+case "${M4}" in
+/*) # Handle the case that m4 has moved since we were configured.
+    # It may have been found originally in a build directory.
+    test -f "${M4}" || M4=m4 ;;
+esac
+
+tmpout=/tmp/acout.$$
+localdir=
+show_version=no
+
+while test $# -gt 0 ; do
+   case "${1}" in 
+      -h | --help | --h* )
+         echo "${usage}" 1>&2; exit 0 ;;
+      --localdir=* | --l*=* )
+         localdir="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
+         shift ;;
+      -l | --localdir | --l*)
+         shift
+         test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
+         localdir="${1}"
+         shift ;;
+      --macrodir=* | --m*=* )
+         AC_MACRODIR="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
+         shift ;;
+      -m | --macrodir | --m* ) 
+         shift
+         test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
+         AC_MACRODIR="${1}"
+         shift ;;
+      --version | --v* )
+         show_version=yes; shift ;;
+      -- )     # Stop option processing
+        shift; break ;;
+      - )	# Use stdin as input.
+        break ;;
+      -* )
+        echo "${usage}" 1>&2; exit 1 ;;
+      * )
+        break ;;
+   esac
+done
+
+if test $show_version = yes; then
+  version=`sed -n 's/define.AC_ACVERSION.[ 	]*\([0-9.]*\).*/\1/p' \
+    $AC_MACRODIR/acgeneral.m4`
+  echo "Autoconf version $version"
+  exit 0
+fi
+
+case $# in
+  0) infile=configure.in ;;
+  1) infile="$1" ;;
+  *) echo "$usage" >&2; exit 1 ;;
+esac
+
+trap 'rm -f $tmpin $tmpout; exit 1' 1 2 15
+
+tmpin=/tmp/acin.$$ # Always set this, to avoid bogus errors from some rm's.
+if test z$infile = z-; then
+  infile=$tmpin
+  cat > $infile
+elif test ! -r "$infile"; then
+  echo "autoconf: ${infile}: No such file or directory" >&2
+  exit 1
+fi
+
+if test -n "$localdir"; then
+  use_localdir="-I$localdir -DAC_LOCALDIR=$localdir"
+else
+  use_localdir=
+fi
+
+# Use the frozen version of Autoconf if available.
+r= f=
+# Some non-GNU m4's don't reject the --help option, so give them /dev/null.
+case `$M4 --help < /dev/null 2>&1` in
+*reload-state*) test -r $AC_MACRODIR/autoconf.m4f && { r=--reload f=f; } ;;
+*traditional*) ;;
+*) echo Autoconf requires GNU m4 1.1 or later >&2; rm -f $tmpin; exit 1 ;;
+esac
+
+$M4 -I$AC_MACRODIR $use_localdir $r autoconf.m4$f $infile > $tmpout ||
+  { rm -f $tmpin $tmpout; exit 2; }
+
+# You could add your own prefixes to pattern if you wanted to check for
+# them too, e.g. pattern="AC_\|ILT_", except that UNIX sed doesn't do
+# alternation.
+pattern="AC_"
+
+status=0
+if grep "${pattern}" $tmpout > /dev/null 2>&1; then
+  echo "autoconf: Undefined macros:" >&2
+  grep "${pattern}" $tmpout | sed "s/.*\(${pattern}[_A-Z0-9]*\).*/\1/" |
+    while read name; do
+      grep -n $name $infile /dev/null
+    done | sort -u >&2
+  status=1
+fi
+
+if test $# -eq 0; then
+  exec 4> configure; chmod +x configure
+else
+  exec 4>&1
+fi
+
+# Put the real line numbers into configure to make config.log more helpful.
+awk '
+/__oline__/ { printf "%d:", NR + 1 }
+           { print }
+' $tmpout | sed '
+/__oline__/s/^\([0-9][0-9]*\):\(.*\)__oline__\(.*\)$/\2\1\3/
+' >&4
+
+rm -f $tmpout
+
+exit $status
diff --git a/util/autoconf/autoheader b/util/autoconf/autoheader
new file mode 100755
index 0000000..54b68d9
--- /dev/null
+++ b/util/autoconf/autoheader
@@ -0,0 +1,250 @@
+#!/bin/sh
+# autoheader -- create `config.h.in' from `configure.in'
+# Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# Written by Roland McGrath.
+
+# If given no args, create `config.h.in' from template file `configure.in'.
+# With one arg, create a header file on standard output from
+# the given template file.
+
+usage="\
+Usage: autoheader [-h] [--help] [-m dir] [--macrodir=dir] 
+       [-l dir] [--localdir=dir] [--version] [template-file]" 
+
+# NLS nuisances.
+# Only set `LANG' and `LC_ALL' to "C" if already set.
+# These must not be set unconditionally because not all systems understand
+# e.g. LANG=C (notably SCO).
+if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
+if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
+
+test -z "${AC_MACRODIR}" && AC_MACRODIR=/usr/local/share/autoconf
+test -z "${M4}" && M4=/mit/gnu/rsaixbin/gm4
+case "${M4}" in
+/*) # Handle the case that m4 has moved since we were configured.
+    # It may have been found originally in a build directory.
+    test -f "${M4}" || M4=m4 ;;
+esac
+
+localdir=.
+show_version=no
+
+while test $# -gt 0 ; do
+   case "${1}" in 
+      -h | --help | --h* )
+         echo "${usage}"; exit 0 ;;
+      --localdir=* | --l*=* )
+         localdir="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
+         shift ;;
+      -l | --localdir | --l*)
+         shift
+         test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
+         localdir="${1}"
+         shift ;;
+      --macrodir=* | --m*=* )
+         AC_MACRODIR="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
+         shift ;;
+      -m | --macrodir | --m* ) 
+         shift
+         test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
+         AC_MACRODIR="${1}"
+         shift ;;
+      --version | --v* )
+         show_version=yes; shift ;;
+      -- )     # Stop option processing
+        shift; break ;;
+      - )	# Use stdin as input.
+        break ;;
+      -* )
+        echo "${usage}" 1>&2; exit 1 ;;
+      * )
+        break ;;
+   esac
+done
+
+if test $show_version = yes; then
+  version=`sed -n 's/define.AC_ACVERSION.[ 	]*\([0-9.]*\).*/\1/p' \
+    $AC_MACRODIR/acgeneral.m4`
+  echo "Autoconf version $version"
+  exit 0
+fi
+
+TEMPLATES="${AC_MACRODIR}/acconfig.h"
+test -r $localdir/acconfig.h && TEMPLATES="${TEMPLATES} $localdir/acconfig.h"
+
+case $# in
+  0) infile=configure.in ;;
+  1) infile=$1 ;;
+  *) echo "$usage" >&2; exit 1 ;;
+esac
+
+config_h=config.h
+syms=
+types=
+funcs=
+headers=
+libs=
+
+if test "$localdir" != .; then
+  use_localdir="-I$localdir -DAC_LOCALDIR=$localdir"
+else
+  use_localdir=
+fi
+
+# Use the frozen version of Autoconf if available.
+r= f=
+# Some non-GNU m4's don't reject the --help option, so give them /dev/null.
+case `$M4 --help < /dev/null 2>&1` in
+*reload-state*) test -r $AC_MACRODIR/autoheader.m4f && { r=--reload f=f; } ;;
+*traditional*) ;;
+*) echo Autoconf requires GNU m4 1.1 or later >&2; exit 1 ;;
+esac
+
+# Extract assignments of SYMS, TYPES, FUNCS, HEADERS, and LIBS from the
+# modified autoconf processing of the input file.  The sed hair is
+# necessary to win for multi-line macro invocations.
+eval "`$M4 -I$AC_MACRODIR $use_localdir $r autoheader.m4$f $infile |
+       sed -n -e '
+		: again
+		/^@@@.*@@@$/s/^@@@\(.*\)@@@$/\1/p
+		/^@@@/{
+			s/^@@@//p
+			n
+			s/^/@@@/
+			b again
+		}'`"
+
+# Make SYMS newline-separated rather than blank-separated, and remove dups.
+# Start each symbol with a blank (to match the blank after "#undef")
+# to reduce the possibility of mistakenly matching another symbol that
+# is a substring of it.
+syms="`for sym in $syms; do echo $sym; done | sort | uniq | sed 's@^@ @'`"
+
+if test $# -eq 0; then
+  tmpout=autoh$$
+  trap "rm -f $tmpout; exit 1" 1 2 15
+  exec > $tmpout
+fi
+
+# Support "outfile[:infile]", defaulting infile="outfile.in".
+case "$config_h" in
+*:*) config_h_in=`echo "$config_h"|sed 's%.*:%%'`
+     config_h=`echo "$config_h"|sed 's%:.*%%'` ;;
+*) config_h_in="${config_h}.in" ;;
+esac
+
+# Don't write "do not edit" -- it will get copied into the
+# config.h, which it's ok to edit.
+echo "/* ${config_h_in}.  Generated automatically from $infile by autoheader.  */"
+
+test -r ${config_h}.top && cat ${config_h}.top
+test -r $localdir/acconfig.h &&
+  grep @TOP@ $localdir/acconfig.h >/dev/null &&
+  sed '/@TOP@/,$d' $localdir/acconfig.h
+
+# This puts each template paragraph on its own line, separated by @s.
+if test -n "$syms"; then
+   # Make sure the boundary of template files is also the boundary
+   # of the paragraph.  Extra newlines don't hurt since they will
+   # be removed.
+   for t in $TEMPLATES; do cat $t; echo; echo; done |
+   # The sed script is suboptimal because it has to take care of
+   # some broken seds (e.g. AIX) that remove '\n' from the
+   # pattern/hold space if the line is empty. (junio@twinsun.com).
+   sed -n -e '
+	/^[ 	]*$/{
+		x
+		s/\n/@/g
+		p
+		s/.*/@/
+		x
+	}
+	H' | sed -e 's/@@*/@/g' |
+   # Select each paragraph that refers to a symbol we picked out above.
+   fgrep "$syms" |
+   tr @ \\012
+fi
+
+echo "$types" | tr , \\012 | sort | uniq | while read ctype; do
+  test -z "$ctype" && continue
+  # Solaris 2.3 tr rejects noncontiguous characters in character classes.
+  sym="`echo "${ctype}" | tr '[a-z] *' '[A-Z]_P'`"
+  echo "
+/* The number of bytes in a ${ctype}.  */
+#undef SIZEOF_${sym}"
+done
+
+# /bin/sh on the Alpha gives `for' a random value if $funcs is empty.
+if test -n "$funcs"; then
+  for func in `for x in $funcs; do echo $x; done | sort | uniq`; do
+    sym="`echo ${func} | sed 's/[^a-zA-Z0-9_]/_/g' | tr '[a-z]' '[A-Z]'`"
+    echo "
+/* Define if you have the ${func} function.  */
+#undef HAVE_${sym}"
+  done
+fi
+
+if test -n "$headers"; then
+  for header in `for x in $headers; do echo $x; done | sort | uniq`; do
+    sym="`echo ${header} | sed 's/[^a-zA-Z0-9_]/_/g' | tr '[a-z]' '[A-Z]'`"
+    echo "
+/* Define if you have the <${header}> header file.  */
+#undef HAVE_${sym}"
+  done
+fi
+
+if test -n "$libs"; then
+  for lib in `for x in $libs; do echo $x; done | sort | uniq`; do
+   sym="`echo ${lib} | sed 's/[^a-zA-Z0-9_]/_/g' | tr '[a-z]' '[A-Z]'`"
+    echo "
+/* Define if you have the ${lib} library (-l${lib}).  */
+#undef HAVE_LIB${sym}"
+  done
+fi
+
+test -r $localdir/acconfig.h &&
+  grep @BOTTOM@ $localdir/acconfig.h >/dev/null &&
+  sed '1,/@BOTTOM@/d' $localdir/acconfig.h
+test -f ${config_h}.bot && cat ${config_h}.bot
+
+status=0
+
+if test -n "$syms"; then
+  for sym in $syms; do
+    if fgrep $sym $TEMPLATES >/dev/null; then
+      : # All is well.
+    else
+      echo "$0: Symbol \`${sym}' is not covered by $TEMPLATES" >&2
+      status=1
+    fi
+  done
+fi
+
+if test $# -eq 0; then
+  if test $status -eq 0; then
+    if cmp -s $tmpout ${config_h_in}; then
+      rm -f $tmpout
+    else
+      mv -f $tmpout ${config_h_in}
+    fi
+  else
+    rm -f $tmpout
+  fi
+fi
+
+exit $status
diff --git a/util/autoconf/autoreconf b/util/autoconf/autoreconf
new file mode 100755
index 0000000..bc2d61b
--- /dev/null
+++ b/util/autoconf/autoreconf
@@ -0,0 +1,127 @@
+#!/bin/sh
+# autoreconf - remake all Autoconf configure scripts in a directory tree
+# Copyright (C) 1994 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+usage="\
+Usage: autoreconf [-h] [--help] [-m dir] [--macrodir=dir]
+       [-l dir] [--localdir=dir] [--verbose] [--version]"
+
+localdir=
+verbose=no
+show_version=no
+
+test -z "$AC_MACRODIR" && AC_MACRODIR=/usr/local/share/autoconf
+
+while test $# -gt 0; do
+  case "$1" in 
+  -h | --help | --h*)
+    echo "$usage"; exit 0 ;;
+      --localdir=* | --l*=* )
+         localdir="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
+         shift ;;
+      -l | --localdir | --l*)
+         shift
+         test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
+         localdir="${1}"
+         shift ;;
+  --macrodir=* | --m*=* )
+    AC_MACRODIR="`echo \"$1\" | sed -e 's/^[^=]*=//'`"
+    shift ;;
+  -m | --macrodir | --m*)
+    shift
+    test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
+    AC_MACRODIR="$1"
+    shift ;;
+  --verbose | --verb*)
+    verbose=yes; shift ;;
+  --version | --vers*)
+    show_version=yes; shift ;;
+  --)     # Stop option processing.
+    shift; break ;;
+  -*) echo "$usage" 1>&2; exit 1 ;;
+  *) break ;;
+  esac
+done
+
+if test $show_version = yes; then
+  version=`sed -n 's/define.AC_ACVERSION.[ 	]*\([0-9.]*\).*/\1/p' \
+    $AC_MACRODIR/acgeneral.m4`
+  echo "Autoconf version $version"
+  exit 0
+fi
+
+if test $# -ne 0; then
+  echo "$usage" 1>&2; exit 1
+fi
+
+top_autoconf=`echo $0|sed s%autoreconf%autoconf%`
+top_autoheader=`echo $0|sed s%autoreconf%autoheader%`
+
+# The xargs grep filters out Cygnus configure.in files.
+find . -name configure.in -print |
+xargs grep -l AC_OUTPUT |
+sed 's%/configure\.in$%%; s%^./%%' |
+while read dir; do
+  (
+  cd $dir || continue
+
+  case "$dir" in
+  .) dots= ;;
+  *) # A "../" for each directory in /$dir.
+     dots=`echo /$dir|sed 's%/[^/]*%../%g'` ;;
+  esac
+
+  case "$0" in
+  /*)  autoconf=$top_autoconf; autoheader=$top_autoheader ;;
+  */*) autoconf=$dots$top_autoconf; autoheader=$dots$top_autoheader ;;
+  *)   autoconf=$top_autoconf; autoheader=$top_autoheader ;;
+  esac
+
+  case "$AC_MACRODIR" in
+  /*)  macrodir_opt="--macrodir=$AC_MACRODIR" ;;
+  *)   macrodir_opt="--macrodir=$dots$AC_MACRODIR" ;;
+  esac
+
+  case "$localdir" in
+  "")  localdir_opt= ;;
+  /*)  localdir_opt="--localdir=$localdir" ;;
+  *)   localdir_opt="--localdir=$dots$localdir" ;;
+  esac
+
+  test $verbose = yes && echo running autoconf in $dir
+  $autoconf $macrodir_opt $localdir_opt
+
+  if grep AC_CONFIG_HEADER configure.in >/dev/null; then
+    template=`sed -n '/AC_CONFIG_HEADER/{
+s%[^#]*AC_CONFIG_HEADER(\([^)]*\).*%\1%
+t here
+: here
+s%.*:%%
+t colon
+s%$%.in%
+: colon
+p
+q
+}' configure.in`
+    if test ! -f $template || grep autoheader $template >/dev/null; then
+      test $verbose = yes && echo running autoheader in $dir
+      $autoheader $macrodir_opt $localdir_opt
+    fi
+  fi
+  )
+done
+
diff --git a/util/autoconf/autoscan b/util/autoconf/autoscan
new file mode 100755
index 0000000..74debe5
--- /dev/null
+++ b/util/autoconf/autoscan
@@ -0,0 +1,393 @@
+#!/usr/athena/bin/perl
+# autoscan - Create configure.scan (a preliminary configure.in) for a package.
+# Copyright (C) 1994 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# Written by David MacKenzie <djm@gnu.ai.mit.edu>.
+
+require "find.pl";
+
+$datadir = $ENV{"AC_MACRODIR"} || "/usr/local/share/autoconf";
+$verbose = 0;
+# Reference these variables to pacify perl -w.
+undef %identifiers_macros;
+undef %makevars_macros;
+undef %programs_macros;
+
+&parse_args;
+&init_tables;
+&find('.');
+&scan_files;
+&output;
+
+exit 0;
+
+# Process any command line arguments.
+sub parse_args
+{
+    local ($usage) =
+	"Usage: autoscan [--macrodir=dir] [--help] [--verbose] [--version] [srcdir]\n"; 
+
+    foreach $_ (@ARGV) {
+	if (/^--m[a-z]*=(.*)/) {
+	    $datadir = $1;
+	} elsif (/^--h/) {
+	    print "$usage";
+	    exit 0;
+	} elsif (/^--verb/) {
+	    $verbose = 1;
+	} elsif (/^--vers/) {
+	    &version;
+	} elsif (/^[^-]/) {
+	    die "$usage" if defined($srcdir);
+	    # Top level directory of the package being autoscanned.
+	    $srcdir = $_;
+	} else {
+	    die "$usage";
+	}
+    }
+
+    $srcdir="." if !defined($srcdir);
+
+    print "srcdir=$srcdir\n" if $verbose;
+    chdir $srcdir || die "$0: cannot cd to $srcdir: $!\n";
+
+    open(CONF, ">configure.scan") ||
+	die "$0: cannot create configure.scan: $!\n";
+}
+
+# Print the version number and exit.
+sub version
+{
+    open(ACG, "<$datadir/acgeneral.m4") ||
+	die "$0: cannot open $datadir/acgeneral.m4: $!\n";
+    while (<ACG>) {
+	if (/define.AC_ACVERSION.\s*([0-9.]+)/) {
+	    print "Autoconf version $1\n";
+	    exit 0;
+	}
+    }
+    die "Autoconf version unknown\n";
+}
+
+# Put values in the tables of what to do with each token.
+sub init_tables
+{
+    local($kind, $word, $macro);
+
+    # Initialize a table of C keywords (to ignore).
+    # Taken from K&R 1st edition p. 180.
+    # ANSI C, GNU C, and C++ keywords can introduce portability problems,
+    # so don't ignore them.
+    foreach $word ('int', 'char', 'float', 'double', 'struct', 'union',
+		   'long', 'short', 'unsigned', 'auto', 'extern', 'register',
+		   'typedef', 'static', 'goto', 'return', 'sizeof', 'break',
+		   'continue', 'if', 'else', 'for', 'do', 'while', 'switch',
+		   'case', 'default') {
+	$c_keywords{$word} = 0;
+    }
+
+    # The data file format supports only one line of macros per function.
+    # If more than that is required for a common portability problem,
+    # a new Autoconf macro should probably be written for that case,
+    # instead of duplicating the code in lots of configure.in files.
+
+    foreach $kind ('functions', 'headers', 'identifiers', 'programs',
+		   'makevars') {
+	open(TABLE, "<$datadir/ac$kind") ||
+	    die "$0: cannot open $datadir/ac$kind: $!\n";
+	while (<TABLE>) {
+	    next if /^\s*$/ || /^\s*#/; # Ignore blank lines and comments.
+	    ($word, $macro) = split;
+	    eval "\$$kind" . "_macros{\$word} = \$macro";
+	}
+	close(TABLE);
+    }
+}
+
+# Collect names of various kinds of files in the package.
+# Called by &find on each file.
+sub wanted
+{
+    if (/^.*\.[chlymC]$/ || /^.*\.cc$/) {
+	$name =~ s?^\./??; push(@cfiles, $name);
+    }
+    elsif (/^[Mm]akefile$/ || /^[Mm]akefile\.in$/ || /^GNUmakefile$/) {
+	$name =~ s?^\./??; push(@makefiles, $name);
+    }
+    elsif (/^.*\.sh$/) {
+	$name =~ s?^\./??; push(@shfiles, $name);
+    }
+}
+
+# Read through the files and collect lists of tokens in them
+# that might create nonportabilities.
+sub scan_files
+{
+    $initfile = $cfiles[0];		# Pick one at random.
+
+    if ($verbose) {
+	print "cfiles:", join(" ", @cfiles), "\n";
+	print "makefiles:", join(" ", @makefiles), "\n";
+	print "shfiles:", join(" ", @shfiles), "\n";
+    }
+
+    foreach $file (@cfiles) {
+	&scan_c_file($file);
+    }
+
+    foreach $file (@makefiles) {
+	&scan_makefile($file);
+    }
+
+    foreach $file (@shfiles) {
+	&scan_sh_file($file);
+    }
+}
+
+sub scan_c_file
+{
+    local($file) = @_;
+    local($in_comment) = 0;	# Nonzero if in a multiline comment.
+
+    open(CFILE, "<$file") || die "$0: cannot open $file: $!\n";
+    while (<CFILE>) {
+	# Strip out comments, approximately.
+	# Ending on this line.
+	if ($in_comment && m,\*/,) {
+	    s,.*\*/,,;
+	    $in_comment = 0;
+	}
+	# All on one line.
+	s,/\*.*\*/,,g;
+	# Starting on this line.
+	if (m,/\*,) {
+	    $in_comment = 1;
+	}
+	# Continuing on this line.
+	next if $in_comment;
+
+	# Preprocessor directives.
+	if (/^\s*#\s*include\s*<([^>]*)>/) {
+	    $headers{$1}++;
+	}
+	# Ignore other preprocessor directives.
+	next if /^\s*#/;
+
+	# Remove string and character constants.
+	s,\"[^\"]*\",,g;
+        s,\'[^\']*\',,g;
+
+	# Tokens in the code.
+	# Maybe we should ignore function definitions (in column 0)?
+	while (s/\W([a-zA-Z_]\w*)\s*\(/ /) {
+	    $functions{$1}++ if !defined($c_keywords{$1});
+	}
+	while (s/\W([a-zA-Z_]\w*)\W/ /) {
+	    $identifiers{$1}++ if !defined($c_keywords{$1});
+	}
+    }
+    close(CFILE);
+
+    if ($verbose) {
+	local($word);
+
+	print "\n$file functions:\n";
+	foreach $word (sort keys %functions) {
+	    print "$word $functions{$word}\n";
+	}
+
+	print "\n$file identifiers:\n";
+	foreach $word (sort keys %identifiers) {
+	    print "$word $identifiers{$word}\n";
+	}
+
+	print "\n$file headers:\n";
+	foreach $word (sort keys %headers) {
+	    print "$word $headers{$word}\n";
+	}
+    }
+}
+
+sub scan_makefile
+{
+    local($file) = @_;
+
+    open(MFILE, "<$file") || die "$0: cannot open $file: $!\n";
+    while (<MFILE>) {
+	# Strip out comments and variable references.
+	s/#.*//;
+	s/\$\([^\)]*\)//g;
+	s/\${[^\}]*}//g;
+	s/@[^@]*@//g;
+
+	# Variable assignments.
+	while (s/\W([a-zA-Z_]\w*)\s*=/ /) {
+	    $makevars{$1}++;
+	}
+	# Libraries.
+	while (s/\W-l([a-zA-Z_]\w*)\W/ /) {
+	    $libraries{$1}++;
+	}
+	# Tokens in the code.
+	while (s/\W([a-zA-Z_]\w*)\W/ /) {
+	    $programs{$1}++;
+	}
+    }
+    close(MFILE);
+
+    if ($verbose) {
+	local($word);
+
+	print "\n$file makevars:\n";
+	foreach $word (sort keys %makevars) {
+	    print "$word $makevars{$word}\n";
+	}
+
+	print "\n$file libraries:\n";
+	foreach $word (sort keys %libraries) {
+	    print "$word $libraries{$word}\n";
+	}
+
+	print "\n$file programs:\n";
+	foreach $word (sort keys %programs) {
+	    print "$word $programs{$word}\n";
+	}
+    }
+}
+
+sub scan_sh_file
+{
+    local($file) = @_;
+
+    open(MFILE, "<$file") || die "$0: cannot open $file: $!\n";
+    while (<MFILE>) {
+	# Strip out comments and variable references.
+	s/#.*//;
+	s/\${[^\}]*}//g;
+	s/@[^@]*@//g;
+
+	# Tokens in the code.
+	while (s/\W([a-zA-Z_]\w*)\W/ /) {
+	    $programs{$1}++;
+	}
+    }
+    close(MFILE);
+
+    if ($verbose) {
+	local($word);
+
+	print "\n$file programs:\n";
+	foreach $word (sort keys %programs) {
+	    print "$word $programs{$word}\n";
+	}
+    }
+}
+
+# Print a configure.in.
+sub output
+{
+    local (%unique_makefiles);
+
+    print CONF "dnl Process this file with autoconf to produce a configure script.\n";
+    print CONF "AC_INIT($initfile)\n";
+
+    &output_programs;
+    &output_headers;
+    &output_identifiers;
+    &output_functions;
+
+    # Change DIR/Makefile.in to DIR/Makefile.
+    foreach $_ (@makefiles) {
+	s/\.in$//;
+	$unique_makefiles{$_}++;
+    }
+    print CONF "\nAC_OUTPUT(", join(" ", keys(%unique_makefiles)), ")\n";
+
+    close CONF;
+}
+
+# Print Autoconf macro $1 if it's not undef and hasn't been printed already.
+sub print_unique
+{
+    local($macro) = @_;
+
+    if (defined($macro) && !defined($printed{$macro})) {
+	print CONF "$macro\n";
+	$printed{$macro} = 1;
+    }
+}
+
+sub output_programs
+{
+    local ($word);
+
+    print CONF "\ndnl Checks for programs.\n";
+    foreach $word (sort keys %programs) {
+	&print_unique($programs_macros{$word});
+    }
+    foreach $word (sort keys %makevars) {
+	&print_unique($makevars_macros{$word});
+    }
+    print CONF "\ndnl Checks for libraries.\n";
+    foreach $word (sort keys %libraries) {
+	print CONF "AC_HAVE_LIBRARY($word)\n";
+    }
+}
+
+sub output_headers
+{
+    local ($word);
+
+    print CONF "\ndnl Checks for header files.\n";
+    foreach $word (sort keys %headers) {
+	if (defined($headers_macros{$word}) &&
+	    $headers_macros{$word} eq 'AC_CHECK_HEADERS') {
+	    push(@have_headers, $word);
+	} else {	
+	    &print_unique($headers_macros{$word});
+	}
+    }
+    print CONF "AC_CHECK_HEADERS(" . join(' ', sort(@have_headers)) . ")\n"
+	if defined(@have_headers);
+}
+
+sub output_identifiers
+{
+    local ($word);
+
+    print CONF "\ndnl Checks for typedefs, structures, and compiler characteristics.\n";
+    foreach $word (sort keys %identifiers) {
+	&print_unique($identifiers_macros{$word});
+    }
+}
+
+sub output_functions
+{
+    local ($word);
+
+    print CONF "\ndnl Checks for library functions.\n";
+    foreach $word (sort keys %functions) {
+	if (defined($functions_macros{$word}) &&
+	    $functions_macros{$word} eq 'AC_CHECK_FUNCS') {
+	    push(@have_funcs, $word);
+	} else {	
+	    &print_unique($functions_macros{$word});
+	}
+    }
+    print CONF "AC_CHECK_FUNCS(" . join(' ', sort(@have_funcs)) . ")\n"
+	if defined(@have_funcs);
+}
diff --git a/util/autoconf/autoupdate b/util/autoconf/autoupdate
new file mode 100755
index 0000000..b69f61b
--- /dev/null
+++ b/util/autoconf/autoupdate
@@ -0,0 +1,112 @@
+#!/bin/sh
+# autoupdate - modernize a configure.in
+# Copyright (C) 1994 Free Software Foundation, Inc.
+
+# This program 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 program 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 program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# If given no args, update `configure.in';
+# With one arg, write on the standard output from the given template file.
+#
+# Written by David MacKenzie <djm@gnu.ai.mit.edu>
+
+usage="\
+Usage: autoupdate [-h] [--help] [-m dir] [--macrodir=dir] 
+       [--version] [template-file]" 
+
+sedtmp=/tmp/acups.$$
+# For debugging.
+#sedtmp=/tmp/acups
+show_version=no
+test -z "${AC_MACRODIR}" && AC_MACRODIR=/usr/local/share/autoconf
+
+while test $# -gt 0 ; do
+   case "${1}" in 
+      -h | --help | --h* )
+         echo "${usage}" 1>&2; exit 0 ;;
+      --macrodir=* | --m*=* )
+         AC_MACRODIR="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
+         shift ;;
+      -m | --macrodir | --m* ) 
+         shift
+         test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
+         AC_MACRODIR="${1}"
+         shift ;;
+      --version | --versio | --versi | --vers)
+        show_version=yes; shift ;;
+      -- )     # Stop option processing
+        shift; break ;;
+      - )	# Use stdin as input.
+        break ;;
+      -* )
+        echo "${usage}" 1>&2; exit 1 ;;
+      * )
+        break ;;
+   esac
+done
+
+if test $show_version = yes; then
+  version=`sed -n 's/define.AC_ACVERSION.[ 	]*\([0-9.]*\).*/\1/p' \
+    $AC_MACRODIR/acgeneral.m4`
+  echo "Autoconf version $version"
+  exit 0
+fi
+
+: ${SIMPLE_BACKUP_SUFFIX='~'}
+
+tmpout=acupo.$$
+trap 'rm -f $sedtmp $tmpout; exit 1' 1 2 15
+case $# in
+  0) infile=configure.in; out="> $tmpout"
+     # Make sure $infile can be read, and $tmpout has the same permissions.
+     cp $infile $tmpout || exit
+
+     # Make sure $infile can be written.
+     if test ! -w $infile; then
+       rm -f $tmpout
+       echo "$0: $infile: cannot write" >&2
+       exit 1
+     fi
+     ;;
+  1) infile="$1"; out= ;;
+  *) echo "$usage" >&2; exit 1 ;;
+esac
+
+# Turn the m4 macro file into a sed script.
+# For each old macro name, make one substitution command to replace it
+# at the end of a line, and one when followed by ( or whitespace.
+# That is easier than splitting the macros up into those that take
+# arguments and those that don't.
+sed -n -e '
+/^AC_DEFUN(/ {
+  s//s%/
+  s/, *\[indir(\[/$%/
+  s/\].*/%/
+  p
+  s/\$//
+  s/%/^/
+  s/%/\\([( 	]\\)^/
+  s/%/\\1^/
+  s/\^/%/g
+  p
+}' ${AC_MACRODIR}/acoldnames.m4 > $sedtmp
+eval sed -f $sedtmp $infile $out
+
+case $# in
+  0) mv configure.in configure.in${SIMPLE_BACKUP_SUFFIX} &&
+     mv $tmpout configure.in ;;
+esac
+
+rm -f $sedtmp $tmpout
+exit 0
diff --git a/util/autoconf/ifnames b/util/autoconf/ifnames
new file mode 100755
index 0000000..67f4da1
--- /dev/null
+++ b/util/autoconf/ifnames
@@ -0,0 +1,93 @@
+#!/bin/sh
+# ifnames - print the identifiers used in C preprocessor conditionals
+# Copyright (C) 1994 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# Reads from stdin if no files are given.
+# Writes to stdout.
+
+# Written by David MacKenzie <djm@gnu.ai.mit.edu>
+
+usage="\
+Usage: ifnames [-h] [--help] [-m dir] [--macrodir=dir] [--version] [file...]"
+show_version=no
+
+test -z "$AC_MACRODIR" && AC_MACRODIR=/usr/local/share/autoconf
+
+while test $# -gt 0; do
+  case "$1" in 
+  -h | --help | --h* )
+    echo "$usage"; exit 0 ;;
+  --macrodir=* | --m*=* )
+    AC_MACRODIR="`echo \"$1\" | sed -e 's/^[^=]*=//'`"
+    shift ;;
+  -m | --macrodir | --m* )
+    shift
+    test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
+    AC_MACRODIR="$1"
+    shift ;;
+  --version | --versio | --versi | --vers)
+    show_version=yes; shift ;;
+  --)     # Stop option processing.
+    shift; break ;;
+  -*) echo "$usage" 1>&2; exit 1 ;;
+  *) break ;;
+  esac
+done
+
+if test $show_version = yes; then
+  version=`sed -n 's/define.AC_ACVERSION.[ 	]*\([0-9.]*\).*/\1/p' \
+    $AC_MACRODIR/acgeneral.m4`
+  echo "Autoconf version $version"
+  exit 0
+fi
+
+if test $# -eq 0; then
+	cat > stdin
+	set stdin
+	trap 'rm -f stdin' 0
+	trap 'rm -f stdin; exit 1' 1 3 15
+fi
+
+for arg
+do
+# The first two substitutions remove comments.  Not perfect, but close enough.
+# The second is for comments that end on a later line.  The others do:
+# Enclose identifiers in @ and a space.
+# Handle "#if 0" -- there are no @s to trigger removal.
+# Remove non-identifiers.
+# Remove any spaces at the end.
+# Translate any other spaces to newlines.
+sed -n '
+s%/\*[^/]*\*/%%g
+s%/\*[^/]*%%g
+/^[ 	]*#[ 	]*ifn*def[ 	][ 	]*\([A-Za-z0-9_]*\).*/s//\1/p
+/^[ 	]*#[ 	]*e*l*if[ 	]/{
+	s///
+	s/@//g
+	s/\([A-Za-z_][A-Za-z_0-9]*\)/@\1 /g
+	s/$/@ /
+	s/@defined //g
+	s/[^@]*@\([^ ]* \)[^@]*/\1/g
+	s/ *$//
+	s/ /\
+/g
+	p
+}
+' $arg | sort -u | sed 's%$% '$arg'%'
+done | awk '
+{ files[$1] = files[$1] " " $2 }
+END { for (sym in files) print sym files[sym] }' | sort