Updated to autoconf 2.50.

* configure.in: Renamed to...
* configure.ac: This.
* aclocal.m4 (AC_OUTPUT_MAKE_DEFS): Removed.
(GROFF_OS390): Updated.
* configure: Regenerated.

4 files changed, 3623 insertions, 1784 deletions

diff --git a/ChangeLog b/ChangeLog
index ae7a2212..c323b0d5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2001-06-08  Werner LEMBERG  <wl@gnu.org>
+
+	Updated to autoconf 2.50.
+
+	* configure.in: Renamed to...
+	* configure.ac: This.
+	* aclocal.m4 (AC_OUTPUT_MAKE_DEFS): Removed.
+	(GROFF_OS390): Updated.
+	* configure: Regenerated.
+
 2001-05-18  Werner LEMBERG  <wl@gnu.org>
 
 	* src/roff/troff/env.c, src/roff/troff/env.h,
diff --git a/aclocal.m4 b/aclocal.m4
index 53e09ae7..a95758f4 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -437,13 +437,11 @@ dnl Check for OS/390 Unix.  We test for EBCDIC also -- the Linux port (with
 dnl gcc) to OS/390 uses ASCII internally.
 dnl
 AC_DEFUN(GROFF_OS390,
-[groff_cv_os390="no"
-if test "$groff_cv_ebcdic" = "yes"; then
+[if test "$groff_cv_ebcdic" = "yes"; then
 	AC_MSG_CHECKING([for OS/390 Unix])
 	case `uname` in
 	OS/390)
 		CFLAGS="$CFLAGS -D_ALL_SOURCE"
-		groff_cv_os390="yes"
 		AC_MSG_RESULT(yes) ;;
 	*)
 		AC_MSG_RESULT(no) ;;
@@ -451,34 +449,6 @@ if test "$groff_cv_ebcdic" = "yes"; then
 fi])dnl
 dnl
 dnl
-dnl Finally, we must modify a base function of autoconf to replace the
-dnl ASCII char `012' with its generic equivalent `\n' if we run under
-dnl OS/390 Unix -- unfortunately, not all `tr' variants understand `\n',
-dnl so this hack is necessary.
-dnl
-define([AC_OUTPUT_MAKE_DEFS],
-[# Transform confdefs.h into DEFS.
-dnl Using a here document instead of a string reduces the quoting nightmare.
-# Protect against shell expansion while executing Makefile rules.
-# Protect against Makefile macro expansion.
-cat > conftest.defs <<\EOF
-changequote(<<, >>)dnl
-s%<<#define>> \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
-s%[ 	`~<<#>>$^&*(){}\\|;'"<>?]%\\&%g
-s%\[%\\&%g
-s%\]%\\&%g
-s%\$%$$%g
-changequote([, ])dnl
-EOF
-if test "$groff_cv_os390" = "yes"; then
-	DEFS=`sed -f conftest.defs confdefs.h | tr '\n' ' '`
-else
-	DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
-fi
-rm -f conftest.defs
-])dnl
-dnl
-dnl
 dnl Check whether we need a declaration for a function.
 dnl
 dnl Stolen from GNU bfd.
diff --git a/configure b/configure
index 667491c0..1dfe6419 100755
--- a/configure
+++ b/configure
@@ -1,26 +1,116 @@
 #! /bin/sh
-
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.13 
-# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
+# Generated by Autoconf 2.50.
 #
+# Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
+# Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
 
-# Defaults:
-ac_help=
+# Be Bourne compatible
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
+  set -o posix
+fi
+
+# Name of the executable.
+as_me=`echo "$0" |sed 's,.*[\\/],,'`
+
+if expr a : '\(a\)' >/dev/null 2>&1; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+rm -f conf$$ conf$$.exe conf$$.file
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+  # We could just check for DJGPP; but this test a) works b) is more generic
+  # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04).
+  if test -f conf$$.exe; then
+    # Don't use ln at all; we don't have any links
+    as_ln_s='cp -p'
+  else
+    as_ln_s='ln -s'
+  fi
+elif ln conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s=ln
+else
+  as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.file
+
+as_executable_p="test -f"
+
+# Support unset when possible.
+if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
+fi
+
+# NLS nuisances.
+$as_unset LANG || test "${LANG+set}" != set || { LANG=C; export LANG; }
+$as_unset LC_ALL || test "${LC_ALL+set}" != set || { LC_ALL=C; export LC_ALL; }
+$as_unset LC_TIME || test "${LC_TIME+set}" != set || { LC_TIME=C; export LC_TIME; }
+$as_unset LC_CTYPE || test "${LC_CTYPE+set}" != set || { LC_CTYPE=C; export LC_CTYPE; }
+$as_unset LANGUAGE || test "${LANGUAGE+set}" != set || { LANGUAGE=C; export LANGUAGE; }
+$as_unset LC_COLLATE || test "${LC_COLLATE+set}" != set || { LC_COLLATE=C; export LC_COLLATE; }
+$as_unset LC_NUMERIC || test "${LC_NUMERIC+set}" != set || { LC_NUMERIC=C; export LC_NUMERIC; }
+$as_unset LC_MESSAGES || test "${LC_MESSAGES+set}" != set || { LC_MESSAGES=C; export LC_MESSAGES; }
+
+# IFS
+# We need space, tab and new line, in precisely that order.
+as_nl='
+'
+IFS=" 	$as_nl"
+
+# CDPATH.
+$as_unset CDPATH || test "${CDPATH+set}" != set || { CDPATH=:; export CDPATH; }
+
+# Name of the host.
+# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+exec 6>&1
+
+#
+# Initializations.
+#
 ac_default_prefix=/usr/local
-# Any additions from configure.in:
+cross_compiling=no
+subdirs=
+MFLAGS= MAKEFLAGS=
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+# Maximum number of lines to put in a shell here document.
+# This variable seems obsolete.  It should probably be removed, and
+# only ac_max_sed_lines should be used.
+: ${ac_max_here_lines=38}
+
+# Avoid depending upon Character Ranges.
+ac_cr_az='abcdefghijklmnopqrstuvwxyz'
+ac_cr_AZ='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+ac_cr_09='0123456789'
+ac_cr_alnum=$ac_cr_az$ac_cr_AZ$ac_cr_09
+
+# Sed expression to map a string onto a valid sh and CPP variable names.
+ac_tr_sh="sed y%*+%pp%;s%[^_$ac_cr_alnum]%_%g"
+ac_tr_cpp="sed y%*$ac_cr_az%P$ac_cr_AZ%;s%[^_$ac_cr_alnum]%_%g"
+
+ac_unique_file="src/roff/groff/groff.cc"
 
 # Initialize some variables set by options.
+ac_init_help=
+ac_init_version=false
 # The variables have the same names as the options, with
 # dashes changed to underlines.
-build=NONE
-cache_file=./config.cache
+cache_file=/dev/null
 exec_prefix=NONE
-host=NONE
 no_create=
-nonopt=NONE
 no_recursion=
 prefix=NONE
 program_prefix=NONE
@@ -29,10 +119,15 @@ program_transform_name=s,x,x,
 silent=
 site=
 srcdir=
-target=NONE
 verbose=
 x_includes=NONE
 x_libraries=NONE
+
+# Installation directory options.
+# These are left unexpanded so users can "make install exec_prefix=/foo"
+# and all the variables that are supposed to be based on exec_prefix
+# by default will actually change.
+# Use braces instead of parens because sh, perl, etc. also accept them.
 bindir='${exec_prefix}/bin'
 sbindir='${exec_prefix}/sbin'
 libexecdir='${exec_prefix}/libexec'
@@ -46,17 +141,16 @@ oldincludedir='/usr/include'
 infodir='${prefix}/info'
 mandir='${prefix}/man'
 
-# Initialize some other variables.
-subdirs=
-MFLAGS= MAKEFLAGS=
-SHELL=${CONFIG_SHELL-/bin/sh}
-# Maximum number of lines to put in a shell here document.
-ac_max_here_lines=12
+# Identity of this package.
+PACKAGE_NAME=
+PACKAGE_TARNAME=
+PACKAGE_VERSION=
+PACKAGE_STRING=
+PACKAGE_BUGREPORT=
 
 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"
@@ -64,59 +158,59 @@ do
     continue
   fi
 
-  case "$ac_option" in
-  -*=*) ac_optarg=`echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
-  *) ac_optarg= ;;
-  esac
+  ac_optarg=`expr "x$ac_option" : 'x[^=]*=\(.*\)'`
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
 
-  case "$ac_option" in
+  case $ac_option in
 
   -bindir | --bindir | --bindi | --bind | --bin | --bi)
     ac_prev=bindir ;;
   -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
-    bindir="$ac_optarg" ;;
+    bindir=$ac_optarg ;;
 
   -build | --build | --buil | --bui | --bu)
-    ac_prev=build ;;
+    ac_prev=build_alias ;;
   -build=* | --build=* | --buil=* | --bui=* | --bu=*)
-    build="$ac_optarg" ;;
+    build_alias=$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="$ac_optarg" ;;
+    cache_file=$ac_optarg ;;
+
+  --config-cache | -C)
+    cache_file=config.cache ;;
 
   -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
     ac_prev=datadir ;;
   -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
   | --da=*)
-    datadir="$ac_optarg" ;;
+    datadir=$ac_optarg ;;
 
   -disable-* | --disable-*)
-    ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
+    ac_feature=`expr "x$ac_option" : 'x-*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" ;;
+    expr "x$ac_feature" : ".*[^-_$ac_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
+   { (exit 1); exit 1; }; }
+    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
+    eval "enable_$ac_feature=no" ;;
 
   -enable-* | --enable-*)
-    ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'`
+    ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # 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
-      *=*) ;;
+    expr "x$ac_feature" : ".*[^-_$ac_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
+   { (exit 1); exit 1; }; }
+    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
+    case $ac_option in
+      *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
       *) ac_optarg=yes ;;
     esac
-    eval "enable_${ac_feature}='$ac_optarg'" ;;
+    eval "enable_$ac_feature='$ac_optarg'" ;;
 
   -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
   | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
@@ -125,95 +219,47 @@ do
   -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
   | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
   | --exec=* | --exe=* | --ex=*)
-    exec_prefix="$ac_optarg" ;;
+    exec_prefix=$ac_optarg ;;
 
   -gas | --gas | --ga | --g)
     # Obsolete; use --with-gas.
     with_gas=yes ;;
 
-  -help | --help | --hel | --he)
-    # Omit some internal or obsolete options to make the list less imposing.
-    # This message is too long to be a string in the A/UX 3.1 sh.
-    cat << EOF
-Usage: configure [options] [host]
-Options: [defaults in brackets after descriptions]
-Configuration:
-  --cache-file=FILE       cache test results in FILE
-  --help                  print this message
-  --no-create             do not create output files
-  --quiet, --silent       do not print \`checking...' messages
-  --version               print the version of autoconf that created configure
-Directory and file names:
-  --prefix=PREFIX         install architecture-independent files in PREFIX
-                          [$ac_default_prefix]
-  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
-                          [same as prefix]
-  --bindir=DIR            user executables in DIR [EPREFIX/bin]
-  --sbindir=DIR           system admin executables in DIR [EPREFIX/sbin]
-  --libexecdir=DIR        program executables in DIR [EPREFIX/libexec]
-  --datadir=DIR           read-only architecture-independent data in DIR
-                          [PREFIX/share]
-  --sysconfdir=DIR        read-only single-machine data in DIR [PREFIX/etc]
-  --sharedstatedir=DIR    modifiable architecture-independent data in DIR
-                          [PREFIX/com]
-  --localstatedir=DIR     modifiable single-machine data in DIR [PREFIX/var]
-  --libdir=DIR            object code libraries in DIR [EPREFIX/lib]
-  --includedir=DIR        C header files in DIR [PREFIX/include]
-  --oldincludedir=DIR     C header files for non-gcc in DIR [/usr/include]
-  --infodir=DIR           info documentation in DIR [PREFIX/info]
-  --mandir=DIR            man documentation in DIR [PREFIX/man]
-  --srcdir=DIR            find the sources in DIR [configure dir or ..]
-  --program-prefix=PREFIX prepend PREFIX to installed program names
-  --program-suffix=SUFFIX append SUFFIX to installed program names
-  --program-transform-name=PROGRAM
-                          run sed PROGRAM on installed program names
-EOF
-    cat << EOF
-Host type:
-  --build=BUILD           configure for building on BUILD [BUILD=HOST]
-  --host=HOST             configure for HOST [guessed]
-  --target=TARGET         configure for TARGET [TARGET=HOST]
-Features and packages:
-  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
-  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
-  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
-  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
-  --x-includes=DIR        X include files are in DIR
-  --x-libraries=DIR       X library files are in DIR
-EOF
-    if test -n "$ac_help"; then
-      echo "--enable and --with options recognized:$ac_help"
-    fi
-    exit 0 ;;
+  -help | --help | --hel | --he | -h)
+    ac_init_help=long ;;
+  -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
+    ac_init_help=recursive ;;
+  -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
+    ac_init_help=short ;;
 
   -host | --host | --hos | --ho)
-    ac_prev=host ;;
+    ac_prev=host_alias ;;
   -host=* | --host=* | --hos=* | --ho=*)
-    host="$ac_optarg" ;;
+    host_alias=$ac_optarg ;;
 
   -includedir | --includedir | --includedi | --included | --include \
   | --includ | --inclu | --incl | --inc)
     ac_prev=includedir ;;
   -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
   | --includ=* | --inclu=* | --incl=* | --inc=*)
-    includedir="$ac_optarg" ;;
+    includedir=$ac_optarg ;;
 
   -infodir | --infodir | --infodi | --infod | --info | --inf)
     ac_prev=infodir ;;
   -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
-    infodir="$ac_optarg" ;;
+    infodir=$ac_optarg ;;
 
   -libdir | --libdir | --libdi | --libd)
     ac_prev=libdir ;;
   -libdir=* | --libdir=* | --libdi=* | --libd=*)
-    libdir="$ac_optarg" ;;
+    libdir=$ac_optarg ;;
 
   -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
   | --libexe | --libex | --libe)
     ac_prev=libexecdir ;;
   -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
   | --libexe=* | --libex=* | --libe=*)
-    libexecdir="$ac_optarg" ;;
+    libexecdir=$ac_optarg ;;
 
   -localstatedir | --localstatedir | --localstatedi | --localstated \
   | --localstate | --localstat | --localsta | --localst \
@@ -222,12 +268,12 @@ EOF
   -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
   | --localstate=* | --localstat=* | --localsta=* | --localst=* \
   | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
-    localstatedir="$ac_optarg" ;;
+    localstatedir=$ac_optarg ;;
 
   -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
     ac_prev=mandir ;;
   -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
-    mandir="$ac_optarg" ;;
+    mandir=$ac_optarg ;;
 
   -nfp | --nfp | --nf)
     # Obsolete; use --without-fp.
@@ -248,26 +294,26 @@ EOF
   -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
   | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
   | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
-    oldincludedir="$ac_optarg" ;;
+    oldincludedir=$ac_optarg ;;
 
   -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
     ac_prev=prefix ;;
   -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
-    prefix="$ac_optarg" ;;
+    prefix=$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="$ac_optarg" ;;
+    program_prefix=$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="$ac_optarg" ;;
+    program_suffix=$ac_optarg ;;
 
   -program-transform-name | --program-transform-name \
   | --program-transform-nam | --program-transform-na \
@@ -284,7 +330,7 @@ EOF
   | --program-transfo=* | --program-transf=* \
   | --program-trans=* | --program-tran=* \
   | --progr-tra=* | --program-tr=* | --program-t=*)
-    program_transform_name="$ac_optarg" ;;
+    program_transform_name=$ac_optarg ;;
 
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil)
@@ -294,7 +340,7 @@ EOF
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
   | --sbi=* | --sb=*)
-    sbindir="$ac_optarg" ;;
+    sbindir=$ac_optarg ;;
 
   -sharedstatedir | --sharedstatedir | --sharedstatedi \
   | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
@@ -305,58 +351,57 @@ EOF
   | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
   | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
   | --sha=* | --sh=*)
-    sharedstatedir="$ac_optarg" ;;
+    sharedstatedir=$ac_optarg ;;
 
   -site | --site | --sit)
     ac_prev=site ;;
   -site=* | --site=* | --sit=*)
-    site="$ac_optarg" ;;
+    site=$ac_optarg ;;
 
   -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
     ac_prev=srcdir ;;
   -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
-    srcdir="$ac_optarg" ;;
+    srcdir=$ac_optarg ;;
 
   -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
   | --syscon | --sysco | --sysc | --sys | --sy)
     ac_prev=sysconfdir ;;
   -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
   | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
-    sysconfdir="$ac_optarg" ;;
+    sysconfdir=$ac_optarg ;;
 
   -target | --target | --targe | --targ | --tar | --ta | --t)
-    ac_prev=target ;;
+    ac_prev=target_alias ;;
   -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
-    target="$ac_optarg" ;;
+    target_alias=$ac_optarg ;;
 
   -v | -verbose | --verbose | --verbos | --verbo | --verb)
     verbose=yes ;;
 
-  -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.13"
-    exit 0 ;;
+  -version | --version | --versio | --versi | --vers | -V)
+    ac_init_version=: ;;
 
   -with-* | --with-*)
-    ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
+    ac_package=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # 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: $ac_package: invalid package name" 1>&2; exit 1; }
-    fi
+    expr "x$ac_package" : ".*[^-_$ac_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid package name: $ac_package" >&2
+   { (exit 1); exit 1; }; }
     ac_package=`echo $ac_package| sed 's/-/_/g'`
-    case "$ac_option" in
-      *=*) ;;
+    case $ac_option in
+      *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
       *) ac_optarg=yes ;;
     esac
-    eval "with_${ac_package}='$ac_optarg'" ;;
+    eval "with_$ac_package='$ac_optarg'" ;;
 
   -without-* | --without-*)
-    ac_package=`echo $ac_option|sed -e 's/-*without-//'`
+    ac_package=`expr "x$ac_option" : 'x-*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" ;;
+    expr "x$ac_package" : ".*[^-_$ac_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid package name: $ac_package" >&2
+   { (exit 1); exit 1; }; }
+    ac_package=`echo $ac_package | sed 's/-/_/g'`
+    eval "with_$ac_package=no" ;;
 
   --x)
     # Obsolete; use --with-x.
@@ -367,98 +412,89 @@ EOF
     ac_prev=x_includes ;;
   -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
   | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
-    x_includes="$ac_optarg" ;;
+    x_includes=$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="$ac_optarg" ;;
+    x_libraries=$ac_optarg ;;
 
-  -*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; }
+  -*) { echo "$as_me: error: unrecognized option: $ac_option
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; }
     ;;
 
+  *=*)
+    ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_envvar" : ".*[^_$ac_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid variable name: $ac_envvar" >&2
+   { (exit 1); exit 1; }; }
+    ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`
+    eval "$ac_envvar='$ac_optarg'"
+    export $ac_envvar ;;
+
   *)
-    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="$ac_option"
+    # FIXME: should be removed in autoconf 3.0.
+    echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    expr "x$ac_option" : ".*[^-._$ac_cr_alnum]" >/dev/null &&
+      echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$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; }
+  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+  { echo "$as_me: error: missing argument to $ac_option" >&2
+   { (exit 1); exit 1; }; }
 fi
 
-trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
-
-# File descriptor usage:
-# 0 standard input
-# 1 file creation
-# 2 errors and warnings
-# 3 some systems may open it to /dev/tty
-# 4 used on the Kubota Titan
-# 6 checking for... messages and results
-# 5 compiler messages saved in config.log
-if test "$silent" = yes; then
-  exec 6>/dev/null
-else
-  exec 6>&1
-fi
-exec 5>./config.log
-
-echo "\
-This file contains any messages produced by compilers while
-running configure, to aid debugging if configure makes a mistake.
-" 1>&5
-
-# Strip out --no-create and --no-recursion so they do not pile up.
-# Also quote any args containing shell metacharacters.
-ac_configure_args=
-for ac_arg
+# Be sure to have absolute paths.
+for ac_var in bindir sbindir libexecdir datadir sysconfdir sharedstatedir \
+              localstatedir libdir includedir oldincludedir infodir mandir \
+              exec_prefix prefix
 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 $ac_arg" ;;
+  eval ac_val=$`echo $ac_var`
+  case $ac_val in
+    [\\/$]* | ?:[\\/]* ) ;;
+    NONE ) ;;
+    *)  { echo "$as_me: error: expected an absolute path for --$ac_var: $ac_val" >&2
+   { (exit 1); exit 1; }; };;
   esac
 done
 
-# NLS nuisances.
-# Only set these to C if already set.  These must not be set unconditionally
-# because not all systems understand e.g. LANG=C (notably SCO).
-# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
-# Non-C LC_CTYPE values break the ctype check.
-if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
-if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
-if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
-if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi
+# There might be people who depend on the old broken behavior: `$host'
+# used to hold the argument of --host etc.
+build=$build_alias
+host=$host_alias
+target=$target_alias
+
+# FIXME: should be removed in autoconf 3.0.
+if test "x$host_alias" != x; then
+  if test "x$build_alias" = x; then
+    cross_compiling=maybe
+    echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    If a cross compiler is detected then cross compile mode will be used." >&2
+  elif test "x$build_alias" != "x$host_alias"; then
+    cross_compiling=yes
+  fi
+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
+ac_tool_prefix=
+test -n "$host_alias" && ac_tool_prefix=$host_alias-
 
-# 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=src/roff/groff/groff.cc
+test "$silent" = yes && exec 6>/dev/null
 
 # 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 $ac_prog|sed 's%/[^/][^/]*$%%'`
+  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
@@ -469,13 +505,305 @@ else
 fi
 if test ! -r $srcdir/$ac_unique_file; then
   if test "$ac_srcdir_defaulted" = yes; then
-    { echo "configure: error: can not find sources in $ac_confdir or .." 1>&2; exit 1; }
+    { echo "$as_me: error: cannot find sources in $ac_confdir or .." >&2
+   { (exit 1); exit 1; }; }
   else
-    { echo "configure: error: can not find sources in $srcdir" 1>&2; exit 1; }
+    { echo "$as_me: error: cannot find sources in $srcdir" >&2
+   { (exit 1); exit 1; }; }
   fi
 fi
-srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`
+srcdir=`echo "$srcdir" | sed 's%\([^\\/]\)[\\/]*$%\1%'`
+ac_env_build_alias_set=${build_alias+set}
+ac_env_build_alias_value=$build_alias
+ac_cv_env_build_alias_set=${build_alias+set}
+ac_cv_env_build_alias_value=$build_alias
+ac_env_host_alias_set=${host_alias+set}
+ac_env_host_alias_value=$host_alias
+ac_cv_env_host_alias_set=${host_alias+set}
+ac_cv_env_host_alias_value=$host_alias
+ac_env_target_alias_set=${target_alias+set}
+ac_env_target_alias_value=$target_alias
+ac_cv_env_target_alias_set=${target_alias+set}
+ac_cv_env_target_alias_value=$target_alias
+ac_env_CC_set=${CC+set}
+ac_env_CC_value=$CC
+ac_cv_env_CC_set=${CC+set}
+ac_cv_env_CC_value=$CC
+ac_env_CFLAGS_set=${CFLAGS+set}
+ac_env_CFLAGS_value=$CFLAGS
+ac_cv_env_CFLAGS_set=${CFLAGS+set}
+ac_cv_env_CFLAGS_value=$CFLAGS
+ac_env_LDFLAGS_set=${LDFLAGS+set}
+ac_env_LDFLAGS_value=$LDFLAGS
+ac_cv_env_LDFLAGS_set=${LDFLAGS+set}
+ac_cv_env_LDFLAGS_value=$LDFLAGS
+ac_env_CPPFLAGS_set=${CPPFLAGS+set}
+ac_env_CPPFLAGS_value=$CPPFLAGS
+ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
+ac_cv_env_CPPFLAGS_value=$CPPFLAGS
+ac_env_CXX_set=${CXX+set}
+ac_env_CXX_value=$CXX
+ac_cv_env_CXX_set=${CXX+set}
+ac_cv_env_CXX_value=$CXX
+ac_env_CXXFLAGS_set=${CXXFLAGS+set}
+ac_env_CXXFLAGS_value=$CXXFLAGS
+ac_cv_env_CXXFLAGS_set=${CXXFLAGS+set}
+ac_cv_env_CXXFLAGS_value=$CXXFLAGS
+ac_env_CPP_set=${CPP+set}
+ac_env_CPP_value=$CPP
+ac_cv_env_CPP_set=${CPP+set}
+ac_cv_env_CPP_value=$CPP
+
+#
+# Report the --help message.
+#
+if test "$ac_init_help" = "long"; then
+  # Omit some internal or obsolete options to make the list less imposing.
+  # This message is too long to be a string in the A/UX 3.1 sh.
+  cat <<EOF
+\`configure' configures this package to adapt to many kinds of systems.
+
+Usage: $0 [OPTION]... [VAR=VALUE]...
+
+To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE.  See below for descriptions of some of the useful variables.
+
+Defaults for the options are specified in brackets.
+
+Configuration:
+  -h, --help              display this help and exit
+      --help=short        display options specific to this package
+      --help=recursive    display the short help of all the included packages
+  -V, --version           display version information and exit
+  -q, --quiet, --silent   do not print \`checking...' messages
+      --cache-file=FILE   cache test results in FILE [disabled]
+  -C, --config-cache      alias for \`--cache-file=config.cache'
+  -n, --no-create         do not create output files
+      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
+
+EOF
+
+  cat <<EOF
+Installation directories:
+  --prefix=PREFIX         install architecture-independent files in PREFIX
+                          [$ac_default_prefix]
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
+                          [PREFIX]
+
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+  --bindir=DIR           user executables [EPREFIX/bin]
+  --sbindir=DIR          system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR       program executables [EPREFIX/libexec]
+  --datadir=DIR          read-only architecture-independent data [PREFIX/share]
+  --sysconfdir=DIR       read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR   modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR    modifiable single-machine data [PREFIX/var]
+  --libdir=DIR           object code libraries [EPREFIX/lib]
+  --includedir=DIR       C header files [PREFIX/include]
+  --oldincludedir=DIR    C header files for non-gcc [/usr/include]
+  --infodir=DIR          info documentation [PREFIX/info]
+  --mandir=DIR           man documentation [PREFIX/man]
+EOF
+
+  cat <<\EOF
+EOF
+fi
+
+if test -n "$ac_init_help"; then
+
+  cat <<\EOF
+
+Some influential environment variables:
+  CC          C compiler command
+  CFLAGS      C compiler flags
+  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
+              nonstandard directory <lib dir>
+  CPPFLAGS    C/C++ preprocessor flags, e.g. -I<include dir> if you have
+              headers in a nonstandard directory <include dir>
+  CXX         C++ compiler command
+  CXXFLAGS    C++ compiler flags
+  CPP         C preprocessor
+
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.
+
+EOF
+fi
+
+if test "$ac_init_help" = "recursive"; then
+  # If there are subdirs, report their specific --help.
+  ac_popdir=`pwd`
+  for ac_subdir in : $ac_subdirs_all; do test "x$ac_subdir" = x: && continue
+    cd $ac_subdir
+    # A "../" for each directory in /$ac_subdir.
+    ac_dots=`echo $ac_subdir |
+             sed 's,^\./,,;s,[^/]$,&/,;s,[^/]*/,../,g'`
+
+    case $srcdir in
+    .) # No --srcdir option.  We are building in place.
+      ac_sub_srcdir=$srcdir ;;
+    [\\/]* | ?:[\\/]* ) # Absolute path.
+      ac_sub_srcdir=$srcdir/$ac_subdir ;;
+    *) # Relative path.
+      ac_sub_srcdir=$ac_dots$srcdir/$ac_subdir ;;
+    esac
+
+    # Check for guested configure; otherwise get Cygnus style configure.
+    if test -f $ac_sub_srcdir/configure.gnu; then
+      echo
+      $SHELL $ac_sub_srcdir/configure.gnu  --help=recursive
+    elif test -f $ac_sub_srcdir/configure; then
+      echo
+      $SHELL $ac_sub_srcdir/configure  --help=recursive
+    elif test -f $ac_sub_srcdir/configure.ac ||
+           test -f $ac_sub_srcdir/configure.in; then
+      echo
+      $ac_configure --help
+    else
+      echo "$as_me: WARNING: no configuration information is in $ac_subdir" >&2
+    fi
+    cd $ac_popdir
+  done
+fi
+
+test -n "$ac_init_help" && exit 0
+if $ac_init_version; then
+  cat <<\EOF
+
+Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
+Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.
+EOF
+  exit 0
+fi
+exec 5>config.log
+cat >&5 <<EOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by $as_me, which was
+generated by GNU Autoconf 2.50.  Invocation command line was
+
+  $ $0 $@
 
+EOF
+{
+cat <<_ASUNAME
+## ---------- ##
+## Platform.  ##
+## ---------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
+
+/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+hostinfo               = `(hostinfo) 2>/dev/null               || echo unknown`
+/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
+/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
+
+PATH = $PATH
+
+_ASUNAME
+} >&5
+
+cat >&5 <<EOF
+## ------------ ##
+## Core tests.  ##
+## ------------ ##
+
+EOF
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Also quote any args containing shell meta-characters.
+ac_configure_args=
+ac_sep=
+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_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
+    ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'"
+    ac_sep=" " ;;
+  *) ac_configure_args="$ac_configure_args$ac_sep$ac_arg"
+     ac_sep=" " ;;
+  esac
+  # Get rid of the leading space.
+done
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log.  We remove comments because anyway the quotes in there
+# would cause problems or look ugly.
+trap 'exit_status=$?
+  # Save into config.log some information that might help in debugging.
+  echo >&5
+  echo "## ----------------- ##" >&5
+  echo "## Cache variables.  ##" >&5
+  echo "## ----------------- ##" >&5
+  echo >&5
+  # The following way of writing the cache mishandles newlines in values,
+{
+  (set) 2>&1 |
+    case `(ac_space='"'"' '"'"'; set | grep ac_space) 2>&1` in
+    *ac_space=\ *)
+      sed -n \
+        "s/'"'"'/'"'"'\\\\'"'"''"'"'/g;
+    	  s/^\\([_$ac_cr_alnum]*_cv_[_$ac_cr_alnum]*\\)=\\(.*\\)/\\1='"'"'\\2'"'"'/p"
+      ;;
+    *)
+      sed -n \
+        "s/^\\([_$ac_cr_alnum]*_cv_[_$ac_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
+      ;;
+    esac;
+} >&5
+  sed "/^$/d" confdefs.h >conftest.log
+  if test -s conftest.log; then
+    echo >&5
+    echo "## ------------ ##" >&5
+    echo "## confdefs.h.  ##" >&5
+    echo "## ------------ ##" >&5
+    echo >&5
+    cat conftest.log >&5
+  fi
+  (echo; echo) >&5
+  test "$ac_signal" != 0 &&
+    echo "$as_me: caught signal $ac_signal" >&5
+  echo "$as_me: exit $exit_status" >&5
+  rm -rf conftest* confdefs* core core.* *.core conf$$* $ac_clean_files &&
+    exit $exit_status
+     ' 0
+for ac_signal in 1 2 13 15; do
+  trap 'ac_status=$?; ac_signal='$ac_signal'; { (exit $ac_status); exit $ac_status; }' $ac_signal
+done
+ac_signal=0
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -rf conftest* confdefs.h
+# AIX cpp loses on an empty file, so make sure it contains at least a newline.
+echo >confdefs.h
+
+# Let the site file select an alternate cache file if it wants to.
 # Prefer explicitly selected file to automatically selected ones.
 if test -z "$CONFIG_SITE"; then
   if test "x$prefix" != xNONE; then
@@ -486,253 +814,645 @@ if test -z "$CONFIG_SITE"; then
 fi
 for ac_site_file in $CONFIG_SITE; do
   if test -r "$ac_site_file"; then
-    echo "loading site script $ac_site_file"
+    { echo "$as_me:817: loading site script $ac_site_file" >&5
+echo "$as_me: loading site script $ac_site_file" >&6;}
+    cat "$ac_site_file" >&5
     . "$ac_site_file"
   fi
 done
 
 if test -r "$cache_file"; then
-  echo "loading cache $cache_file"
-  . $cache_file
+  # Some versions of bash will fail to source /dev/null (special
+  # files actually), so we avoid doing that.
+  if test -f "$cache_file"; then
+    { echo "$as_me:828: loading cache $cache_file" >&5
+echo "$as_me: loading cache $cache_file" >&6;}
+    case $cache_file in
+      [\\/]* | ?:[\\/]* ) . $cache_file;;
+      *)                      . ./$cache_file;;
+    esac
+  fi
 else
-  echo "creating cache $cache_file"
-  > $cache_file
+  { echo "$as_me:836: creating cache $cache_file" >&5
+echo "$as_me: creating cache $cache_file" >&6;}
+  >$cache_file
+fi
+
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_suggest_removing_cache=false
+for ac_var in `(set) 2>&1 |
+               sed -n 's/^ac_env_\([a-zA-Z_0-9]*\)_set=.*/\1/p'`; do
+  eval ac_old_set=\$ac_cv_env_${ac_var}_set
+  eval ac_new_set=\$ac_env_${ac_var}_set
+  eval ac_old_val="\$ac_cv_env_${ac_var}_value"
+  eval ac_new_val="\$ac_env_${ac_var}_value"
+  case $ac_old_set,$ac_new_set in
+    set,)
+      { echo "$as_me:852: WARNING: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+echo "$as_me: WARNING: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      ac_suggest_removing_cache=: ;;
+    ,set)
+      { echo "$as_me:856: WARNING: \`$ac_var' was not set in the previous run" >&5
+echo "$as_me: WARNING: \`$ac_var' was not set in the previous run" >&2;}
+      ac_suggest_removing_cache=: ;;
+    ,);;
+    *)
+      if test "x$ac_old_val" != "x$ac_new_val"; then
+        { echo "$as_me:862: WARNING: \`$ac_var' has changed since the previous run:" >&5
+echo "$as_me: WARNING: \`$ac_var' has changed since the previous run:" >&2;}
+        { echo "$as_me:864: WARNING:   former value:  $ac_old_val" >&5
+echo "$as_me: WARNING:   former value:  $ac_old_val" >&2;}
+        { echo "$as_me:866: WARNING:   current value: $ac_new_val" >&5
+echo "$as_me: WARNING:   current value: $ac_new_val" >&2;}
+        ac_suggest_removing_cache=:
+      fi;;
+  esac
+done
+if $ac_suggest_removing_cache; then
+  { echo "$as_me:873: WARNING: changes in the environment can compromise the build" >&5
+echo "$as_me: WARNING: changes in the environment can compromise the build" >&2;}
+  { echo "$as_me:875: WARNING: consider removing $cache_file and starting over" >&5
+echo "$as_me: WARNING: consider removing $cache_file and starting over" >&2;}
 fi
 
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
-
-ac_exeext=
-ac_objext=o
-if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
-  # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
-  if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
-    ac_n= ac_c='
-' ac_t='	'
-  else
-    ac_n=-n ac_c= ac_t=
-  fi
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
+  *c*,-n*) ECHO_N= ECHO_C='
+' ECHO_T='	' ;;
+  *c*,*  ) ECHO_N=-n ECHO_C= ECHO_T= ;;
+  *)      ECHO_N= ECHO_C='\c' ECHO_T= ;;
+esac
+echo "#! $SHELL" >conftest.sh
+echo  "exit 0"   >>conftest.sh
+chmod +x conftest.sh
+if { (echo "$as_me:894: PATH=\".;.\"; conftest.sh") >&5
+  (PATH=".;."; conftest.sh) 2>&5
+  ac_status=$?
+  echo "$as_me:897: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  ac_path_separator=';'
 else
-  ac_n= ac_c='\c' ac_t=
+  ac_path_separator=:
 fi
-
+PATH_SEPARATOR="$ac_path_separator"
+rm -f conftest.sh
 
 ac_srcdir_defaulted=no
 srcdir=`cd $srcdir; pwd`
 top_builddir=`pwd`
 
-# Extract the first word of "gcc", so it can be a program name with args.
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+echo "$as_me:918: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_CC="${ac_tool_prefix}gcc"
+echo "$as_me:933: found $ac_dir/$ac_word" >&5
+break
+done
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  echo "$as_me:941: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
+else
+  echo "$as_me:944: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:532: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+echo "$as_me:953: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_ac_ct_CC="gcc"
+echo "$as_me:968: found $ac_dir/$ac_word" >&5
+break
+done
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  echo "$as_me:976: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6
+else
+  echo "$as_me:979: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  CC=$ac_ct_CC
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+echo "$as_me:992: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_CC="gcc"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_CC="${ac_tool_prefix}cc"
+echo "$as_me:1007: found $ac_dir/$ac_word" >&5
+break
+done
+
 fi
 fi
-CC="$ac_cv_prog_CC"
+CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$ac_t""$CC" 1>&6
+  echo "$as_me:1015: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
+else
+  echo "$as_me:1018: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+echo "$as_me:1027: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_ac_ct_CC="cc"
+echo "$as_me:1042: found $ac_dir/$ac_word" >&5
+break
+done
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  echo "$as_me:1050: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6
+else
+  echo "$as_me:1053: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  CC=$ac_ct_CC
 else
-  echo "$ac_t""no" 1>&6
+  CC="$ac_cv_prog_CC"
 fi
 
+fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:562: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+echo "$as_me:1066: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_prog_rejected=no
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
-        ac_prog_rejected=yes
-	continue
-      fi
-      ac_cv_prog_CC="cc"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
+  ac_prog_rejected=yes
+  continue
+fi
+ac_cv_prog_CC="cc"
+echo "$as_me:1086: found $ac_dir/$ac_word" >&5
+break
+done
+
 if test $ac_prog_rejected = yes; then
   # We found a bogon in the path, so make sure we never use it.
   set dummy $ac_cv_prog_CC
   shift
-  if test $# -gt 0; then
+  if test $# != 0; then
     # We chose a different compiler from the bogus one.
     # However, it has the same basename, so the bogon will be chosen
     # first if we set CC to just the basename; use the full file name.
     shift
-    set dummy "$ac_dir/$ac_word" "$@"
+    set dummy "$ac_dir/$ac_word" ${1+"$@"}
     shift
     ac_cv_prog_CC="$@"
   fi
 fi
 fi
 fi
-CC="$ac_cv_prog_CC"
+CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$ac_t""$CC" 1>&6
+  echo "$as_me:1108: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
 else
-  echo "$ac_t""no" 1>&6
+  echo "$as_me:1111: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-  if test -z "$CC"; then
-    case "`uname -s`" in
-    *win32* | *WIN32*)
-      # Extract the first word of "cl", so it can be a program name with args.
-set dummy cl; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:613: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  for ac_prog in cl
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+echo "$as_me:1122: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_CC="cl"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+echo "$as_me:1137: found $ac_dir/$ac_word" >&5
+break
+done
+
 fi
 fi
-CC="$ac_cv_prog_CC"
+CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$ac_t""$CC" 1>&6
+  echo "$as_me:1145: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
 else
-  echo "$ac_t""no" 1>&6
+  echo "$as_me:1148: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
- ;;
-    esac
-  fi
-  test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
+
+    test -n "$CC" && break
+  done
 fi
+if test -z "$CC"; then
+  ac_ct_CC=$CC
+  for ac_prog in cl
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:1161: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_ac_ct_CC="$ac_prog"
+echo "$as_me:1176: found $ac_dir/$ac_word" >&5
+break
+done
 
-echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:645: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  echo "$as_me:1184: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6
+else
+  echo "$as_me:1187: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
 
-ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
+  test -n "$ac_ct_CC" && break
+done
 
-cat > conftest.$ac_ext << EOF
+  CC=$ac_ct_CC
+fi
 
-#line 656 "configure"
+fi
+
+test -z "$CC" && { { echo "$as_me:1199: error: no acceptable cc found in \$PATH" >&5
+echo "$as_me: error: no acceptable cc found in \$PATH" >&2;}
+   { (exit 1); exit 1; }; }
+
+cat >conftest.$ac_ext <<_ACEOF
+#line 1204 "configure"
 #include "confdefs.h"
 
-main(){return(0);}
-EOF
-if { (eval echo configure:661: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
-  ac_cv_prog_cc_works=yes
-  # If we can't run a trivial program, we are probably using a cross compiler.
-  if (./conftest; exit) 2>/dev/null; then
-    ac_cv_prog_cc_cross=no
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files a.out a.exe"
+# Try to create an executable without -o first, disregard a.out.
+# It will help us diagnose broken compiler, and finding out an intuition
+# of exeext.
+echo "$as_me:1220: checking for C compiler default output" >&5
+echo $ECHO_N "checking for C compiler default output... $ECHO_C" >&6
+ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+if { (eval echo "$as_me:1223: \"$ac_link_default\"") >&5
+  (eval $ac_link_default) 2>&5
+  ac_status=$?
+  echo "$as_me:1226: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  for ac_file in `ls a.exe conftest.exe a.* conftest conftest.* 2>/dev/null`; do
+  case $ac_file in
+    *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;;
+    a.out ) # We found the default executable, but exeext='' is most
+            # certainly right.
+            break;;
+    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+          export ac_cv_exeext
+          break;;
+    * ) break;;
+  esac
+done
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+{ { echo "$as_me:1243: error: C compiler cannot create executables" >&5
+echo "$as_me: error: C compiler cannot create executables" >&2;}
+   { (exit 77); exit 77; }; }
+fi
+
+ac_exeext=$ac_cv_exeext
+echo "$as_me:1249: result: $ac_file" >&5
+echo "${ECHO_T}$ac_file" >&6
+
+# Check the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+echo "$as_me:1254: checking whether the C compiler works" >&5
+echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6
+# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
+# If not cross compiling, check that we can run a simple program.
+if test "$cross_compiling" != yes; then
+  if { ac_try='./$ac_file'
+  { (eval echo "$as_me:1260: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1263: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+    cross_compiling=no
   else
-    ac_cv_prog_cc_cross=yes
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { echo "$as_me:1270: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'." >&5
+echo "$as_me: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'." >&2;}
+   { (exit 1); exit 1; }; }
+    fi
   fi
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  ac_cv_prog_cc_works=no
 fi
-rm -fr conftest*
-ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
-
-echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
-if test $ac_cv_prog_cc_works = no; then
-  { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
-fi
-echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:687: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
-echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
-cross_compiling=$ac_cv_prog_cc_cross
-
-echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:692: checking whether we are using GNU C" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.c <<EOF
-#ifdef __GNUC__
-  yes;
-#endif
-EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:701: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
-  ac_cv_prog_gcc=yes
+echo "$as_me:1278: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+
+rm -f a.out a.exe conftest$ac_cv_exeext
+ac_clean_files=$ac_clean_files_save
+# Check the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+echo "$as_me:1285: checking whether we are cross compiling" >&5
+echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6
+echo "$as_me:1287: result: $cross_compiling" >&5
+echo "${ECHO_T}$cross_compiling" >&6
+
+echo "$as_me:1290: checking for executable suffix" >&5
+echo $ECHO_N "checking for executable suffix... $ECHO_C" >&6
+if { (eval echo "$as_me:1292: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:1295: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
+for ac_file in `(ls conftest.exe; ls conftest; ls conftest.*) 2>/dev/null`; do
+  case $ac_file in
+    *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;;
+    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+          export ac_cv_exeext
+          break;;
+    * ) break;;
+  esac
+done
 else
-  ac_cv_prog_gcc=no
-fi
-fi
+  { { echo "$as_me:1311: error: cannot compute EXEEXT: cannot compile and link" >&5
+echo "$as_me: error: cannot compute EXEEXT: cannot compile and link" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+rm -f conftest$ac_cv_exeext
+echo "$as_me:1317: result: $ac_cv_exeext" >&5
+echo "${ECHO_T}$ac_cv_exeext" >&6
+
+rm -f conftest.$ac_ext
+EXEEXT=$ac_cv_exeext
+ac_exeext=$EXEEXT
+echo "$as_me:1323: checking for object suffix" >&5
+echo $ECHO_N "checking for object suffix... $ECHO_C" >&6
+if test "${ac_cv_objext+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line 1329 "configure"
+#include "confdefs.h"
 
-echo "$ac_t""$ac_cv_prog_gcc" 1>&6
+int
+main ()
+{
 
-if test $ac_cv_prog_gcc = yes; then
-  GCC=yes
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.o conftest.obj
+if { (eval echo "$as_me:1341: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1344: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
+  case $ac_file in
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb ) ;;
+    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
+       break;;
+  esac
+done
 else
-  GCC=
-fi
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+{ { echo "$as_me:1356: error: cannot compute OBJEXT: cannot compile" >&5
+echo "$as_me: error: cannot compute OBJEXT: cannot compile" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
+fi
+echo "$as_me:1363: result: $ac_cv_objext" >&5
+echo "${ECHO_T}$ac_cv_objext" >&6
+OBJEXT=$ac_cv_objext
+ac_objext=$OBJEXT
+echo "$as_me:1367: checking whether we are using the GNU C compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6
+if test "${ac_cv_c_compiler_gnu+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line 1373 "configure"
+#include "confdefs.h"
 
-ac_test_CFLAGS="${CFLAGS+set}"
-ac_save_CFLAGS="$CFLAGS"
-CFLAGS=
-echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:720: checking whether ${CC-cc} accepts -g" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+int
+main ()
+{
+#ifndef __GNUC__
+       choke me
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:1388: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1391: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:1394: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1397: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_compiler_gnu=yes
 else
-  echo 'void f(){}' > conftest.c
-if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_compiler_gnu=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+echo "$as_me:1409: result: $ac_cv_c_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6
+GCC=`test $ac_compiler_gnu = yes && echo yes`
+ac_test_CFLAGS=${CFLAGS+set}
+ac_save_CFLAGS=$CFLAGS
+CFLAGS="-g"
+echo "$as_me:1415: checking whether $CC accepts -g" >&5
+echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6
+if test "${ac_cv_prog_cc_g+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line 1421 "configure"
+#include "confdefs.h"
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:1433: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1436: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:1439: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1442: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_prog_cc_g=yes
 else
-  ac_cv_prog_cc_g=no
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_prog_cc_g=no
 fi
-rm -f conftest*
-
+rm -f conftest.$ac_objext conftest.$ac_ext
 fi
-
-echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
+echo "$as_me:1452: result: $ac_cv_prog_cc_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
 if test "$ac_test_CFLAGS" = set; then
-  CFLAGS="$ac_save_CFLAGS"
+  CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
   if test "$GCC" = yes; then
     CFLAGS="-g -O2"
@@ -746,136 +1466,289 @@ else
     CFLAGS=
   fi
 fi
-
-for ac_prog in $CCC c++ g++ gcc CC cxx cc++ cl
+# Some people use a C++ compiler to compile C.  Since we use `exit',
+# in C++ we need to declare it.  In case someone uses the same compiler
+# for both compiling C and C++ we need to have the C++ compiler decide
+# the declaration of exit, since it's the most demanding environment.
+cat >conftest.$ac_ext <<_ACEOF
+#ifndef __cplusplus
+  choke me
+#endif
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:1479: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1482: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:1485: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1488: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  for ac_declaration in \
+   ''\
+   '#include <stdlib.h>' \
+   'extern "C" void std::exit (int) throw (); using std::exit;' \
+   'extern "C" void std::exit (int); using std::exit;' \
+   'extern "C" void exit (int) throw ();' \
+   'extern "C" void exit (int);' \
+   'void exit (int);'
 do
-# Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:756: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+  cat >conftest.$ac_ext <<_ACEOF
+#line 1500 "configure"
+#include "confdefs.h"
+#include <stdlib.h>
+$ac_declaration
+int
+main ()
+{
+exit (42);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:1513: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1516: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:1519: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1522: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  :
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+continue
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+#line 1532 "configure"
+#include "confdefs.h"
+$ac_declaration
+int
+main ()
+{
+exit (42);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:1544: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1547: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:1550: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1553: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  break
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+done
+echo '#ifdef __cplusplus' >>confdefs.h
+echo $ac_declaration      >>confdefs.h
+echo '#endif'             >>confdefs.h
+
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl KCC RCC xlC_r xlC
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+echo "$as_me:1587: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_CXX+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_CXX="$ac_prog"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
+echo "$as_me:1602: found $ac_dir/$ac_word" >&5
+break
+done
+
 fi
 fi
-CXX="$ac_cv_prog_CXX"
+CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
-  echo "$ac_t""$CXX" 1>&6
+  echo "$as_me:1610: result: $CXX" >&5
+echo "${ECHO_T}$CXX" >&6
 else
-  echo "$ac_t""no" 1>&6
+  echo "$as_me:1613: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-test -n "$CXX" && break
+    test -n "$CXX" && break
+  done
+fi
+if test -z "$CXX"; then
+  ac_ct_CXX=$CXX
+  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl KCC RCC xlC_r xlC
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:1626: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$ac_ct_CXX"; then
+  ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
+else
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_ac_ct_CXX="$ac_prog"
+echo "$as_me:1641: found $ac_dir/$ac_word" >&5
+break
 done
-test -n "$CXX" || CXX="gcc"
-
 
-echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:788: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+fi
+fi
+ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
+if test -n "$ac_ct_CXX"; then
+  echo "$as_me:1649: result: $ac_ct_CXX" >&5
+echo "${ECHO_T}$ac_ct_CXX" >&6
+else
+  echo "$as_me:1652: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
 
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
+  test -n "$ac_ct_CXX" && break
+done
+test -n "$ac_ct_CXX" || ac_ct_CXX="g++"
 
-cat > conftest.$ac_ext << EOF
+  CXX=$ac_ct_CXX
+fi
 
-#line 799 "configure"
+echo "$as_me:1663: checking whether we are using the GNU C++ compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6
+if test "${ac_cv_cxx_compiler_gnu+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line 1669 "configure"
 #include "confdefs.h"
 
-int main(){return(0);}
-EOF
-if { (eval echo configure:804: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
-  ac_cv_prog_cxx_works=yes
-  # If we can't run a trivial program, we are probably using a cross compiler.
-  if (./conftest; exit) 2>/dev/null; then
-    ac_cv_prog_cxx_cross=no
-  else
-    ac_cv_prog_cxx_cross=yes
-  fi
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  ac_cv_prog_cxx_works=no
-fi
-rm -fr conftest*
-ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
-
-echo "$ac_t""$ac_cv_prog_cxx_works" 1>&6
-if test $ac_cv_prog_cxx_works = no; then
-  { echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&2; exit 1; }
-fi
-echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:830: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
-echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
-cross_compiling=$ac_cv_prog_cxx_cross
-
-echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:835: checking whether we are using GNU C++" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.C <<EOF
-#ifdef __GNUC__
-  yes;
+int
+main ()
+{
+#ifndef __GNUC__
+       choke me
 #endif
-EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:844: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
-  ac_cv_prog_gxx=yes
-else
-  ac_cv_prog_gxx=no
-fi
-fi
-
-echo "$ac_t""$ac_cv_prog_gxx" 1>&6
 
-if test $ac_cv_prog_gxx = yes; then
-  GXX=yes
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:1684: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1687: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:1690: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1693: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_compiler_gnu=yes
 else
-  GXX=
-fi
-
-ac_test_CXXFLAGS="${CXXFLAGS+set}"
-ac_save_CXXFLAGS="$CXXFLAGS"
-CXXFLAGS=
-echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:863: checking whether ${CXX-g++} accepts -g" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_compiler_gnu=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
+
+fi
+echo "$as_me:1705: result: $ac_cv_cxx_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6
+GXX=`test $ac_compiler_gnu = yes && echo yes`
+ac_test_CXXFLAGS=${CXXFLAGS+set}
+ac_save_CXXFLAGS=$CXXFLAGS
+CXXFLAGS="-g"
+echo "$as_me:1711: checking whether $CXX accepts -g" >&5
+echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6
+if test "${ac_cv_prog_cxx_g+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  echo 'void f(){}' > conftest.cc
-if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then
+  cat >conftest.$ac_ext <<_ACEOF
+#line 1717 "configure"
+#include "confdefs.h"
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:1729: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1732: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:1735: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1738: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_prog_cxx_g=yes
 else
-  ac_cv_prog_cxx_g=no
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_prog_cxx_g=no
 fi
-rm -f conftest*
-
+rm -f conftest.$ac_objext conftest.$ac_ext
 fi
-
-echo "$ac_t""$ac_cv_prog_cxx_g" 1>&6
+echo "$as_me:1748: result: $ac_cv_prog_cxx_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6
 if test "$ac_test_CXXFLAGS" = set; then
-  CXXFLAGS="$ac_save_CXXFLAGS"
+  CXXFLAGS=$ac_save_CXXFLAGS
 elif test $ac_cv_prog_cxx_g = yes; then
   if test "$GXX" = yes; then
     CXXFLAGS="-g -O2"
@@ -889,56 +1762,140 @@ else
     CXXFLAGS=
   fi
 fi
+for ac_declaration in \
+   ''\
+   '#include <stdlib.h>' \
+   'extern "C" void std::exit (int) throw (); using std::exit;' \
+   'extern "C" void std::exit (int); using std::exit;' \
+   'extern "C" void exit (int) throw ();' \
+   'extern "C" void exit (int);' \
+   'void exit (int);'
+do
+  cat >conftest.$ac_ext <<_ACEOF
+#line 1775 "configure"
+#include "confdefs.h"
+#include <stdlib.h>
+$ac_declaration
+int
+main ()
+{
+exit (42);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:1788: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1791: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:1794: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1797: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  :
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+continue
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+#line 1807 "configure"
+#include "confdefs.h"
+$ac_declaration
+int
+main ()
+{
+exit (42);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:1819: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1822: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:1825: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1828: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  break
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+done
+echo '#ifdef __cplusplus' >>confdefs.h
+echo $ac_declaration      >>confdefs.h
+echo '#endif'             >>confdefs.h
 
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 if test "$cross_compiling" = no; then
-	echo $ac_n "checking that C++ compiler can compile simple program""... $ac_c" 1>&6
-echo "configure:905: checking that C++ compiler can compile simple program" >&5
+	echo "$as_me:1854: checking that C++ compiler can compile simple program" >&5
+echo $ECHO_N "checking that C++ compiler can compile simple program... $ECHO_C" >&6
 fi
 if test "$cross_compiling" = yes; then
   :
 else
-  cat > conftest.$ac_ext <<EOF
-#line 911 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 1861 "configure"
 #include "confdefs.h"
-#ifdef __cplusplus
-extern "C" void exit(int);
-#endif
 int main() { return 0; }
-EOF
-if { (eval echo configure:918: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
-then
-  echo "$ac_t""yes" 1>&6
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:1866: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:1869: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (eval echo "$as_me:1871: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1874: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:1876: result: yes" >&5
+echo "${ECHO_T}yes" >&6
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -fr conftest*
-  echo "$ac_t""no" 1>&6;{ echo "configure: error: a working C++ compiler is required" 1>&2; exit 1; }
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:1882: result: no" >&5
+echo "${ECHO_T}no" >&6;{ { echo "$as_me:1883: error: a working C++ compiler is required" >&5
+echo "$as_me: error: a working C++ compiler is required" >&2;}
+   { (exit 1); exit 1; }; }
 fi
-rm -fr conftest*
+rm -f core core.* *.core conftest$ac_exeext conftest.$ac_ext
 fi
-
 if test "$cross_compiling" = no; then
-	echo $ac_n "checking that C++ static constructors and destructors are called""... $ac_c" 1>&6
-echo "configure:932: checking that C++ static constructors and destructors are called" >&5
+	echo "$as_me:1890: checking that C++ static constructors and destructors are called" >&5
+echo $ECHO_N "checking that C++ static constructors and destructors are called... $ECHO_C" >&6
 fi
 if test "$cross_compiling" = yes; then
   :
 else
-  cat > conftest.$ac_ext <<EOF
-#line 938 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 1897 "configure"
 #include "confdefs.h"
-#ifdef __cplusplus
-extern "C" void exit(int);
-#endif
 
 extern "C" {
   void _exit(int);
@@ -952,160 +1909,209 @@ struct A {
 A a;
 int main() { return 1; }
 
-EOF
-if { (eval echo configure:957: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
-then
-  echo "$ac_t""yes" 1>&6
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:1914: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:1917: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (eval echo "$as_me:1919: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1922: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:1924: result: yes" >&5
+echo "${ECHO_T}yes" >&6
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -fr conftest*
-  echo "$ac_t""no" 1>&6;{ echo "configure: error: a working C++ compiler is required" 1>&2; exit 1; }
-fi
-rm -fr conftest*
-fi
-
-echo $ac_n "checking that header files support C++""... $ac_c" 1>&6
-echo "configure:970: checking that header files support C++" >&5
-cat > conftest.$ac_ext <<EOF
-#line 972 "configure"
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:1930: result: no" >&5
+echo "${ECHO_T}no" >&6;{ { echo "$as_me:1931: error: a working C++ compiler is required" >&5
+echo "$as_me: error: a working C++ compiler is required" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+rm -f core core.* *.core conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:1937: checking that header files support C++" >&5
+echo $ECHO_N "checking that header files support C++... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 1940 "configure"
 #include "confdefs.h"
 #include <stdio.h>
-int main() {
+int
+main ()
+{
 fopen(0, 0);
-; return 0; }
-EOF
-if { (eval echo configure:979: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
-  rm -rf conftest*
-  echo "$ac_t""yes" 1>&6
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:1952: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:1955: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:1958: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1961: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:1963: result: yes" >&5
+echo "${ECHO_T}yes" >&6
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6;{ echo "configure: error: header files do not support C++ (if you are using a version of gcc/g++ earlier than 2.5, you should install libg++)" 1>&2; exit 1; }
-fi
-rm -f conftest*
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:1968: result: no" >&5
+echo "${ECHO_T}no" >&6;{ { echo "$as_me:1969: error: header files do not support C++ (if you are using a version of gcc/g++ earlier than 2.5, you should install libg++)" >&5
+echo "$as_me: error: header files do not support C++ (if you are using a version of gcc/g++ earlier than 2.5, you should install libg++)" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
-
-echo $ac_n "checking whether character set is EBCDIC""... $ac_c" 1>&6
-echo "configure:997: checking whether character set is EBCDIC" >&5
-cat > conftest.$ac_ext <<EOF
-#line 999 "configure"
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+echo "$as_me:1980: checking whether character set is EBCDIC" >&5
+echo $ECHO_N "checking whether character set is EBCDIC... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 1983 "configure"
 #include "confdefs.h"
 
-int main() {
+int
+main ()
+{
 /* Treat any failure as ASCII for compatibility with existing art.
     Use compile-time rather than run-time tests for cross-compiler
     tolerance. */
 #if '0' != 240
 make an error "Character set is not EBCDIC"
 #endif
-; return 0; }
-EOF
-if { (eval echo configure:1011: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:2000: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:2003: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:2006: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:2009: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   groff_cv_ebcdic="yes"
  TTYDEVDIRS="font/devcp1047"
- echo "$ac_t""yes" 1>&6
- cat >> confdefs.h <<\EOF
+ echo "$as_me:2013: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+ cat >>confdefs.h <<\EOF
 #define IS_EBCDIC_HOST 1
 EOF
 
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  groff_cv_ebcdic="no"
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+groff_cv_ebcdic="no"
  TTYDEVDIRS="font/devascii font/devlatin1 font/devutf8"
- echo "$ac_t""no" 1>&6
+ echo "$as_me:2024: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 
-groff_cv_os390="no"
 if test "$groff_cv_ebcdic" = "yes"; then
-	echo $ac_n "checking for OS/390 Unix""... $ac_c" 1>&6
-echo "configure:1033: checking for OS/390 Unix" >&5
+	echo "$as_me:2030: checking for OS/390 Unix" >&5
+echo $ECHO_N "checking for OS/390 Unix... $ECHO_C" >&6
 	case `uname` in
 	OS/390)
 		CFLAGS="$CFLAGS -D_ALL_SOURCE"
-		groff_cv_os390="yes"
-		echo "$ac_t""yes" 1>&6 ;;
+		echo "$as_me:2035: result: yes" >&5
+echo "${ECHO_T}yes" >&6 ;;
 	*)
-		echo "$ac_t""no" 1>&6 ;;
+		echo "$as_me:2038: result: no" >&5
+echo "${ECHO_T}no" >&6 ;;
 	esac
 fi
 if test -z "$PSPRINT"; then
 	for ac_prog in lpr
 do
-# Extract the first word of "$ac_prog", so it can be a program name with args.
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1049: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_LPR'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+echo "$as_me:2047: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_LPR+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$LPR"; then
   ac_cv_prog_LPR="$LPR" # Let the user override the test.
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_LPR="$ac_prog"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_LPR="$ac_prog"
+echo "$as_me:2062: found $ac_dir/$ac_word" >&5
+break
+done
+
 fi
 fi
-LPR="$ac_cv_prog_LPR"
+LPR=$ac_cv_prog_LPR
 if test -n "$LPR"; then
-  echo "$ac_t""$LPR" 1>&6
+  echo "$as_me:2070: result: $LPR" >&5
+echo "${ECHO_T}$LPR" >&6
 else
-  echo "$ac_t""no" 1>&6
+  echo "$as_me:2073: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-test -n "$LPR" && break
+  test -n "$LPR" && break
 done
 
 	for ac_prog in lp
 do
-# Extract the first word of "$ac_prog", so it can be a program name with args.
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1083: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_LP'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+echo "$as_me:2084: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_LP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$LP"; then
   ac_cv_prog_LP="$LP" # Let the user override the test.
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_LP="$ac_prog"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_LP="$ac_prog"
+echo "$as_me:2099: found $ac_dir/$ac_word" >&5
+break
+done
+
 fi
 fi
-LP="$ac_cv_prog_LP"
+LP=$ac_cv_prog_LP
 if test -n "$LP"; then
-  echo "$ac_t""$LP" 1>&6
+  echo "$as_me:2107: result: $LP" >&5
+echo "${ECHO_T}$LP" >&6
 else
-  echo "$ac_t""no" 1>&6
+  echo "$as_me:2110: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-test -n "$LP" && break
+  test -n "$LP" && break
 done
 
 	if test -n "$LPR" && test -n "$LP"; then
@@ -1114,36 +2120,39 @@ done
 		# rather than lpr.
 		for ac_prog in lpq
 do
-# Extract the first word of "$ac_prog", so it can be a program name with args.
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1121: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_LPQ'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+echo "$as_me:2125: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_LPQ+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$LPQ"; then
   ac_cv_prog_LPQ="$LPQ" # Let the user override the test.
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_LPQ="$ac_prog"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_LPQ="$ac_prog"
+echo "$as_me:2140: found $ac_dir/$ac_word" >&5
+break
+done
+
 fi
 fi
-LPQ="$ac_cv_prog_LPQ"
+LPQ=$ac_cv_prog_LPQ
 if test -n "$LPQ"; then
-  echo "$ac_t""$LPQ" 1>&6
+  echo "$as_me:2148: result: $LPQ" >&5
+echo "${ECHO_T}$LPQ" >&6
 else
-  echo "$ac_t""no" 1>&6
+  echo "$as_me:2151: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-test -n "$LPQ" && break
+  test -n "$LPQ" && break
 done
 
 		test -n "$LPQ" || LPR=
@@ -1155,12 +2164,13 @@ done
 	fi
 fi
 
-echo $ac_n "checking for command to use for printing PostScript files""... $ac_c" 1>&6
-echo "configure:1160: checking for command to use for printing PostScript files" >&5
-echo "$ac_t""$PSPRINT" 1>&6
+echo "$as_me:2167: checking for command to use for printing PostScript files" >&5
+echo $ECHO_N "checking for command to use for printing PostScript files... $ECHO_C" >&6
+echo "$as_me:2169: result: $PSPRINT" >&5
+echo "${ECHO_T}$PSPRINT" >&6
 # Figure out DVIPRINT from PSPRINT.
-echo $ac_n "checking for command to use for printing dvi files""... $ac_c" 1>&6
-echo "configure:1164: checking for command to use for printing dvi files" >&5
+echo "$as_me:2172: checking for command to use for printing dvi files" >&5
+echo $ECHO_N "checking for command to use for printing dvi files... $ECHO_C" >&6
 if test -n "$PSPRINT" && test -z "$DVIPRINT"; then
 	if test "X$PSPRINT" = "Xlpr"; then
 		DVIPRINT="lpr -d"
@@ -1169,106 +2179,156 @@ if test -n "$PSPRINT" && test -z "$DVIPRINT"; then
 	fi
 fi
 
-echo "$ac_t""$DVIPRINT" 1>&6
+echo "$as_me:2182: result: $DVIPRINT" >&5
+echo "${ECHO_T}$DVIPRINT" >&6
 # Extract the first word of "perl", so it can be a program name with args.
 set dummy perl; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1177: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_path_PERLPATH'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+echo "$as_me:2186: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_path_PERLPATH+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  case "$PERLPATH" in
-  /*)
+  case $PERLPATH in
+  [\\/]* | ?:[\\/]*)
   ac_cv_path_PERLPATH="$PERLPATH" # Let the user override the test with a path.
   ;;
-  ?:/*)			 
-  ac_cv_path_PERLPATH="$PERLPATH" # Let the user override the test with a dos path.
-  ;;
   *)
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do 
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      ac_cv_path_PERLPATH="$ac_dir/$ac_word"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  if $as_executable_p "$ac_dir/$ac_word"; then
+   ac_cv_path_PERLPATH="$ac_dir/$ac_word"
+   echo "$as_me:2203: found $ac_dir/$ac_word" >&5
+   break
+fi
+done
+
   test -z "$ac_cv_path_PERLPATH" && ac_cv_path_PERLPATH="/usr/bin/perl"
   ;;
 esac
 fi
-PERLPATH="$ac_cv_path_PERLPATH"
+PERLPATH=$ac_cv_path_PERLPATH
+
 if test -n "$PERLPATH"; then
-  echo "$ac_t""$PERLPATH" 1>&6
+  echo "$as_me:2215: result: $PERLPATH" >&5
+echo "${ECHO_T}$PERLPATH" >&6
 else
-  echo "$ac_t""no" 1>&6
+  echo "$as_me:2218: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
 for ac_prog in byacc 'bison -y'
 do
-# Extract the first word of "$ac_prog", so it can be a program name with args.
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1215: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+echo "$as_me:2226: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_YACC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$YACC"; then
   ac_cv_prog_YACC="$YACC" # Let the user override the test.
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_YACC="$ac_prog"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_YACC="$ac_prog"
+echo "$as_me:2241: found $ac_dir/$ac_word" >&5
+break
+done
+
 fi
 fi
-YACC="$ac_cv_prog_YACC"
+YACC=$ac_cv_prog_YACC
 if test -n "$YACC"; then
-  echo "$ac_t""$YACC" 1>&6
+  echo "$as_me:2249: result: $YACC" >&5
+echo "${ECHO_T}$YACC" >&6
 else
-  echo "$ac_t""no" 1>&6
+  echo "$as_me:2252: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 
-test -n "$YACC" && break
+  test -n "$YACC" && break
 done
 test -n "$YACC" || YACC="yacc"
 
-# Extract the first word of "ranlib", so it can be a program name with args.
-set dummy ranlib; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1248: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ranlib; ac_word=$2
+echo "$as_me:2263: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_RANLIB+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_RANLIB="ranlib"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
-  test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":"
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+echo "$as_me:2278: found $ac_dir/$ac_word" >&5
+break
+done
+
 fi
 fi
-RANLIB="$ac_cv_prog_RANLIB"
+RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
-  echo "$ac_t""$RANLIB" 1>&6
+  echo "$as_me:2286: result: $RANLIB" >&5
+echo "${ECHO_T}$RANLIB" >&6
+else
+  echo "$as_me:2289: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+fi
+if test -z "$ac_cv_prog_RANLIB"; then
+  ac_ct_RANLIB=$RANLIB
+  # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+echo "$as_me:2298: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$ac_ct_RANLIB"; then
+  ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
 else
-  echo "$ac_t""no" 1>&6
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_ac_ct_RANLIB="ranlib"
+echo "$as_me:2313: found $ac_dir/$ac_word" >&5
+break
+done
+
+  test -z "$ac_cv_prog_ac_ct_RANLIB" && ac_cv_prog_ac_ct_RANLIB=":"
+fi
+fi
+ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
+if test -n "$ac_ct_RANLIB"; then
+  echo "$as_me:2322: result: $ac_ct_RANLIB" >&5
+echo "${ECHO_T}$ac_ct_RANLIB" >&6
+else
+  echo "$as_me:2325: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  RANLIB=$ac_ct_RANLIB
+else
+  RANLIB="$ac_cv_prog_RANLIB"
 fi
 
 ac_aux_dir=
@@ -1281,14 +2341,20 @@ for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
     ac_aux_dir=$ac_dir
     ac_install_sh="$ac_aux_dir/install.sh -c"
     break
+  elif test -f $ac_dir/shtool; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
   fi
 done
 if test -z "$ac_aux_dir"; then
-  { echo "configure: error: can not find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." 1>&2; exit 1; }
+  { { echo "$as_me:2351: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5
+echo "$as_me: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&2;}
+   { (exit 1); exit 1; }; }
 fi
-ac_config_guess=$ac_aux_dir/config.guess
-ac_config_sub=$ac_aux_dir/config.sub
-ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
+ac_config_guess="$SHELL $ac_aux_dir/config.guess"
+ac_config_sub="$SHELL $ac_aux_dir/config.sub"
+ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
 
 ac_dir=`cd $ac_aux_dir; pwd`
 ac_install_sh="$ac_dir/install-sh -c"
@@ -1299,31 +2365,39 @@ ac_install_sh="$ac_dir/install-sh -c"
 # SunOS /usr/etc/install
 # IRIX /sbin/install
 # AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
 # AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
 # AFS /usr/afsws/bin/install, which mishandles nonexistent args
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
-echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1308: checking for a BSD compatible install" >&5
+echo "$as_me:2373: checking for a BSD compatible install" >&5
+echo $ECHO_N "checking for a BSD compatible install... $ECHO_C" >&6
 if test -z "$INSTALL"; then
-if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+if test "${ac_cv_path_install+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-    IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS=":"
+    ac_save_IFS=$IFS; IFS=$ac_path_separator
   for ac_dir in $PATH; do
+    IFS=$ac_save_IFS
     # Account for people who put trailing slashes in PATH elements.
-    case "$ac_dir/" in
-    /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
+    case $ac_dir/ in
+    / | ./ | .// | /cC/* \
+    | /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* \
+    | /usr/ucb/* ) ;;
     *)
       # OSF1 and SCO ODT 3.0 have their own names for install.
       # Don't use installbsd from OSF since it installs stuff as root
       # by default.
       for ac_prog in ginstall scoinst install; do
-        if test -f $ac_dir/$ac_prog; then
+        if $as_executable_p "$ac_dir/$ac_prog"; then
 	  if test $ac_prog = install &&
-            grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
+            grep dspmsg "$ac_dir/$ac_prog" >/dev/null 2>&1; then
 	    # AIX install.  It has an incompatible calling convention.
 	    :
+	  elif test $ac_prog = install &&
+	    grep pwplus "$ac_dir/$ac_prog" >/dev/null 2>&1; then
+	    # program-specific install script used by HP pwplus--don't use.
+	    :
 	  else
 	    ac_cv_path_install="$ac_dir/$ac_prog -c"
 	    break 2
@@ -1333,52 +2407,42 @@ else
       ;;
     esac
   done
-  IFS="$ac_save_IFS"
 
 fi
   if test "${ac_cv_path_install+set}" = set; then
-    INSTALL="$ac_cv_path_install"
+    INSTALL=$ac_cv_path_install
   else
     # As a last resort, use the slow shell script.  We don't cache a
     # path for INSTALL within a source directory, because that will
     # break other packages using the cache if that directory is
     # removed, or if the path is relative.
-    INSTALL="$ac_install_sh"
+    INSTALL=$ac_install_sh
   fi
 fi
-echo "$ac_t""$INSTALL" 1>&6
+echo "$as_me:2422: result: $INSTALL" >&5
+echo "${ECHO_T}$INSTALL" >&6
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
 # It thinks the first close brace ends the variable substitution.
 test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
 
-test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
-echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1361: checking whether ln -s works" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+echo "$as_me:2433: checking whether ln -s works" >&5
+echo $ECHO_N "checking whether ln -s works... $ECHO_C" >&6
+LN_S=$as_ln_s
+if test "$LN_S" = "ln -s"; then
+  echo "$as_me:2437: result: yes" >&5
+echo "${ECHO_T}yes" >&6
 else
-  rm -f conftestdata
-if ln -s X conftestdata 2>/dev/null
-then
-  rm -f conftestdata
-  ac_cv_prog_LN_S="ln -s"
-else
-  ac_cv_prog_LN_S=ln
-fi
-fi
-LN_S="$ac_cv_prog_LN_S"
-if test "$ac_cv_prog_LN_S" = "ln -s"; then
-  echo "$ac_t""yes" 1>&6
-else
-  echo "$ac_t""no" 1>&6
+  echo "$as_me:2440: result: no, using $LN_S" >&5
+echo "${ECHO_T}no, using $LN_S" >&6
 fi
 
-echo $ac_n "checking for csh hash hack""... $ac_c" 1>&6
-echo "configure:1382: checking for csh hash hack" >&5
+echo "$as_me:2444: checking for csh hash hack" >&5
+echo $ECHO_N "checking for csh hash hack... $ECHO_C" >&6
 cat <<EOF >conftest.sh
 #!/bin/sh
 true || exit 0
@@ -1387,238 +2451,395 @@ exit 1
 EOF
 chmod +x conftest.sh
 if echo ./conftest.sh | (csh >/dev/null 2>&1) >/dev/null 2>&1; then
-	echo "$ac_t""yes" 1>&6; SH_SCRIPT_SED_CMD='1s/.*/:/'
+	echo "$as_me:2454: result: yes" >&5
+echo "${ECHO_T}yes" >&6; SH_SCRIPT_SED_CMD='1s/.*/:/'
 else
-	echo "$ac_t""no" 1>&6; SH_SCRIPT_SED_CMD='1s/a/a/'
+	echo "$as_me:2457: result: no" >&5
+echo "${ECHO_T}no" >&6; SH_SCRIPT_SED_CMD='1s/a/a/'
 fi
 rm -f conftest.sh
 
-echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1398: checking how to run the C preprocessor" >&5
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+echo "$as_me:2467: checking how to run the C preprocessor" >&5
+echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
 # 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) $ac_c" 1>&6
+  if test "${ac_cv_prog_CPP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-    # This must be in double quotes, not single quotes, because CPP may get
-  # substituted into the Makefile and "${CC-cc}" will confuse make.
-  CPP="${CC-cc} -E"
+      # Double quotes because CPP needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+    do
+      # break 2 since there is a loop in there.
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
   # On the NeXT, cc -E runs the code through the compiler's parser,
-  # not just through cpp.
-  cat > conftest.$ac_ext <<EOF
-#line 1413 "configure"
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat >conftest.$ac_ext <<_ACEOF
+#line 2489 "configure"
 #include "confdefs.h"
 #include <assert.h>
-Syntax Error
-EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1419: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
-if test -z "$ac_err"; then
+                     Syntax error
+_ACEOF
+if { (eval echo "$as_me:2494: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  egrep -v '^ *\+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:2500: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   :
 else
-  echo "$ac_err" >&5
-  echo "configure: failed program was:" >&5
+  echo "$as_me: failed program was:" >&5
   cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  CPP="${CC-cc} -E -traditional-cpp"
-  cat > conftest.$ac_ext <<EOF
-#line 1430 "configure"
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether non-existent headers
+  # can be detected and how.
+  cat >conftest.$ac_ext <<_ACEOF
+#line 2523 "configure"
 #include "confdefs.h"
-#include <assert.h>
-Syntax Error
-EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1436: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
-if test -z "$ac_err"; then
-  :
+#include <ac_nonexistent.h>
+_ACEOF
+if { (eval echo "$as_me:2527: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  egrep -v '^ *\+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:2533: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  # Broken: success on invalid input.
+continue
 else
-  echo "$ac_err" >&5
-  echo "configure: failed program was:" >&5
+  echo "$as_me: failed program was:" >&5
   cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  CPP="${CC-cc} -nologo -E"
-  cat > conftest.$ac_ext <<EOF
-#line 1447 "configure"
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+  break 2
+fi
+
+    done
+    ac_cv_prog_CPP=$CPP
+
+fi
+  CPP=$ac_cv_prog_CPP
+else
+  ac_cv_prog_CPP=$CPP
+fi
+echo "$as_me:2570: result: $CPP" >&5
+echo "${ECHO_T}$CPP" >&6
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat >conftest.$ac_ext <<_ACEOF
+#line 2580 "configure"
 #include "confdefs.h"
 #include <assert.h>
-Syntax Error
-EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1453: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
-if test -z "$ac_err"; then
+                     Syntax error
+_ACEOF
+if { (eval echo "$as_me:2585: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  egrep -v '^ *\+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:2591: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   :
 else
-  echo "$ac_err" >&5
-  echo "configure: failed program was:" >&5
+  echo "$as_me: failed program was:" >&5
   cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  CPP=/lib/cpp
+  # Broken: fails on valid input.
+continue
 fi
-rm -f conftest*
-fi
-rm -f conftest*
+rm -f conftest.err conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether non-existent headers
+  # can be detected and how.
+  cat >conftest.$ac_ext <<_ACEOF
+#line 2614 "configure"
+#include "confdefs.h"
+#include <ac_nonexistent.h>
+_ACEOF
+if { (eval echo "$as_me:2618: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  egrep -v '^ *\+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:2624: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
 fi
-rm -f conftest*
-  ac_cv_prog_CPP="$CPP"
+if test -z "$ac_cpp_err"; then
+  # Broken: success on invalid input.
+continue
+else
+  echo "$as_me: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  # Passes both tests.
+ac_preproc_ok=:
+break
 fi
-  CPP="$ac_cv_prog_CPP"
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+  :
 else
-  ac_cv_prog_CPP="$CPP"
+  { { echo "$as_me:2652: error: C preprocessor \"$CPP\" fails sanity check" >&5
+echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check" >&2;}
+   { (exit 1); exit 1; }; }
 fi
-echo "$ac_t""$CPP" 1>&6
 
-for ac_hdr in stdlib.h unistd.h dirent.h limits.h sys/dir.h \
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+for ac_header in stdlib.h unistd.h dirent.h limits.h sys/dir.h \
                  string.h strings.h math.h
 do
-ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
-echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1482: checking for $ac_hdr" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 1487 "configure"
+ac_ac_Header=`echo "ac_cv_header_$ac_header" | $ac_tr_sh`
+echo "$as_me:2667: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$ac_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line 2673 "configure"
 #include "confdefs.h"
-#include <$ac_hdr>
-EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1492: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
-if test -z "$ac_err"; then
-  rm -rf conftest*
-  eval "ac_cv_header_$ac_safe=yes"
-else
-  echo "$ac_err" >&5
-  echo "configure: failed program was:" >&5
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:2677: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  egrep -v '^ *\+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:2683: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  eval "$ac_ac_Header=yes"
+else
+  echo "$as_me: failed program was:" >&5
   cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_header_$ac_safe=no"
+  eval "$ac_ac_Header=no"
 fi
-rm -f conftest*
+rm -f conftest.err conftest.$ac_ext
 fi
-if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
-  cat >> confdefs.h <<EOF
-#define $ac_tr_hdr 1
+echo "$as_me:2702: result: `eval echo '${'$ac_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$ac_ac_Header'}'`" >&6
+if test `eval echo '${'$ac_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_header" | $ac_tr_cpp` 1
 EOF
- 
-else
-  echo "$ac_t""no" 1>&6
+
 fi
 done
 
-echo $ac_n "checking for ISC 3.x or 4.x""... $ac_c" 1>&6
-echo "configure:1519: checking for ISC 3.x or 4.x" >&5
+echo "$as_me:2712: checking for ISC 3.x or 4.x" >&5
+echo $ECHO_N "checking for ISC 3.x or 4.x... $ECHO_C" >&6
 if grep '[34]\.' /usr/options/cb.name >/dev/null 2>&1
 then
-	echo "$ac_t""yes" 1>&6
-	cat >> confdefs.h <<\EOF
+	echo "$as_me:2716: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+	cat >>confdefs.h <<\EOF
 #define _SYSV3 1
 EOF
 
 else
-	echo "$ac_t""no" 1>&6
+	echo "$as_me:2723: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
-echo $ac_n "checking whether -D_POSIX_SOURCE is necessary""... $ac_c" 1>&6
-echo "configure:1531: checking whether -D_POSIX_SOURCE is necessary" >&5
+echo "$as_me:2726: checking whether -D_POSIX_SOURCE is necessary" >&5
+echo $ECHO_N "checking whether -D_POSIX_SOURCE is necessary... $ECHO_C" >&6
 
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-cat > conftest.$ac_ext <<EOF
-#line 1541 "configure"
+cat >conftest.$ac_ext <<_ACEOF
+#line 2736 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 extern "C" { void fileno(int); }
-int main() {
+int
+main ()
+{
 
-; return 0; }
-EOF
-if { (eval echo configure:1549: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  echo "$ac_t""yes" 1>&6;cat >> confdefs.h <<\EOF
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:2749: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:2752: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:2755: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:2758: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:2760: result: yes" >&5
+echo "${ECHO_T}yes" >&6;cat >>confdefs.h <<\EOF
 #define _POSIX_SOURCE 1
 EOF
 
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:2768: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
-
-echo $ac_n "checking for return type of srand""... $ac_c" 1>&6
-echo "configure:1578: checking for return type of srand" >&5
-cat > conftest.$ac_ext <<EOF
-#line 1580 "configure"
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+echo "$as_me:2784: checking for return type of srand" >&5
+echo $ECHO_N "checking for return type of srand... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 2787 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 extern "C" { void srand(unsigned int); }
-int main() {
+int
+main ()
+{
 
-; return 0; }
-EOF
-if { (eval echo configure:1588: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  echo "$ac_t""void" 1>&6;cat >> confdefs.h <<\EOF
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:2800: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:2803: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:2806: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:2809: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:2811: result: void" >&5
+echo "${ECHO_T}void" >&6;cat >>confdefs.h <<\EOF
 #define RET_TYPE_SRAND_IS_VOID 1
 EOF
 
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  echo "$ac_t""int" 1>&6
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:2819: result: int" >&5
+echo "${ECHO_T}int" >&6
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-echo $ac_n "checking whether hypot must be declared""... $ac_c" 1>&6
-echo "configure:1609: checking whether hypot must be declared" >&5
+echo "$as_me:2829: checking whether hypot must be declared" >&5
+echo $ECHO_N "checking whether hypot must be declared... $ECHO_C" >&6
 
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-if eval "test \"`echo '$''{'groff_cv_decl_needed_hypot'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+if test "${groff_cv_decl_needed_hypot+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 1622 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 2842 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1638,51 +2859,63 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
-int main() {
+int
+main ()
+{
 char *(*pfn) = (char *(*)) hypot
-; return 0; }
-EOF
-if { (eval echo configure:1646: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:2871: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:2874: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:2877: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:2880: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   groff_cv_decl_needed_hypot=no
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  groff_cv_decl_needed_hypot=yes
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+groff_cv_decl_needed_hypot=yes
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$ac_t""$groff_cv_decl_needed_hypot" 1>&6
+echo "$as_me:2891: result: $groff_cv_decl_needed_hypot" >&5
+echo "${ECHO_T}$groff_cv_decl_needed_hypot" >&6
 if test $groff_cv_decl_needed_hypot = yes; then
-	cat >> confdefs.h <<\EOF
+	cat >>confdefs.h <<\EOF
 #define NEED_DECLARATION_HYPOT 1
 EOF
 
 fi
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-echo $ac_n "checking whether popen must be declared""... $ac_c" 1>&6
-echo "configure:1673: checking whether popen must be declared" >&5
+echo "$as_me:2905: checking whether popen must be declared" >&5
+echo $ECHO_N "checking whether popen must be declared... $ECHO_C" >&6
 
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-if eval "test \"`echo '$''{'groff_cv_decl_needed_popen'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+if test "${groff_cv_decl_needed_popen+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 1686 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 2918 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1702,51 +2935,63 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
-int main() {
+int
+main ()
+{
 char *(*pfn) = (char *(*)) popen
-; return 0; }
-EOF
-if { (eval echo configure:1710: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:2947: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:2950: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:2953: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:2956: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   groff_cv_decl_needed_popen=no
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  groff_cv_decl_needed_popen=yes
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+groff_cv_decl_needed_popen=yes
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$ac_t""$groff_cv_decl_needed_popen" 1>&6
+echo "$as_me:2967: result: $groff_cv_decl_needed_popen" >&5
+echo "${ECHO_T}$groff_cv_decl_needed_popen" >&6
 if test $groff_cv_decl_needed_popen = yes; then
-	cat >> confdefs.h <<\EOF
+	cat >>confdefs.h <<\EOF
 #define NEED_DECLARATION_POPEN 1
 EOF
 
 fi
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-echo $ac_n "checking whether pclose must be declared""... $ac_c" 1>&6
-echo "configure:1737: checking whether pclose must be declared" >&5
+echo "$as_me:2981: checking whether pclose must be declared" >&5
+echo $ECHO_N "checking whether pclose must be declared... $ECHO_C" >&6
 
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-if eval "test \"`echo '$''{'groff_cv_decl_needed_pclose'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+if test "${groff_cv_decl_needed_pclose+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 1750 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 2994 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1766,51 +3011,63 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
-int main() {
+int
+main ()
+{
 char *(*pfn) = (char *(*)) pclose
-; return 0; }
-EOF
-if { (eval echo configure:1774: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3023: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:3026: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:3029: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3032: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   groff_cv_decl_needed_pclose=no
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  groff_cv_decl_needed_pclose=yes
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+groff_cv_decl_needed_pclose=yes
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$ac_t""$groff_cv_decl_needed_pclose" 1>&6
+echo "$as_me:3043: result: $groff_cv_decl_needed_pclose" >&5
+echo "${ECHO_T}$groff_cv_decl_needed_pclose" >&6
 if test $groff_cv_decl_needed_pclose = yes; then
-	cat >> confdefs.h <<\EOF
+	cat >>confdefs.h <<\EOF
 #define NEED_DECLARATION_PCLOSE 1
 EOF
 
 fi
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-echo $ac_n "checking whether putenv must be declared""... $ac_c" 1>&6
-echo "configure:1801: checking whether putenv must be declared" >&5
+echo "$as_me:3057: checking whether putenv must be declared" >&5
+echo $ECHO_N "checking whether putenv must be declared... $ECHO_C" >&6
 
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-if eval "test \"`echo '$''{'groff_cv_decl_needed_putenv'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+if test "${groff_cv_decl_needed_putenv+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 1814 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 3070 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1830,51 +3087,63 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
-int main() {
+int
+main ()
+{
 char *(*pfn) = (char *(*)) putenv
-; return 0; }
-EOF
-if { (eval echo configure:1838: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3099: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:3102: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:3105: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3108: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   groff_cv_decl_needed_putenv=no
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  groff_cv_decl_needed_putenv=yes
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+groff_cv_decl_needed_putenv=yes
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$ac_t""$groff_cv_decl_needed_putenv" 1>&6
+echo "$as_me:3119: result: $groff_cv_decl_needed_putenv" >&5
+echo "${ECHO_T}$groff_cv_decl_needed_putenv" >&6
 if test $groff_cv_decl_needed_putenv = yes; then
-	cat >> confdefs.h <<\EOF
+	cat >>confdefs.h <<\EOF
 #define NEED_DECLARATION_PUTENV 1
 EOF
 
 fi
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-echo $ac_n "checking whether strncasecmp must be declared""... $ac_c" 1>&6
-echo "configure:1865: checking whether strncasecmp must be declared" >&5
+echo "$as_me:3133: checking whether strncasecmp must be declared" >&5
+echo $ECHO_N "checking whether strncasecmp must be declared... $ECHO_C" >&6
 
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-if eval "test \"`echo '$''{'groff_cv_decl_needed_strncasecmp'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+if test "${groff_cv_decl_needed_strncasecmp+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 1878 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 3146 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1894,225 +3163,302 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
-int main() {
+int
+main ()
+{
 char *(*pfn) = (char *(*)) strncasecmp
-; return 0; }
-EOF
-if { (eval echo configure:1902: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3175: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:3178: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:3181: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3184: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   groff_cv_decl_needed_strncasecmp=no
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  groff_cv_decl_needed_strncasecmp=yes
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+groff_cv_decl_needed_strncasecmp=yes
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$ac_t""$groff_cv_decl_needed_strncasecmp" 1>&6
+echo "$as_me:3195: result: $groff_cv_decl_needed_strncasecmp" >&5
+echo "${ECHO_T}$groff_cv_decl_needed_strncasecmp" >&6
 if test $groff_cv_decl_needed_strncasecmp = yes; then
-	cat >> confdefs.h <<\EOF
+	cat >>confdefs.h <<\EOF
 #define NEED_DECLARATION_STRNCASECMP 1
 EOF
 
 fi
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
-
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
-
-echo $ac_n "checking for sys_nerr in <errno.h> or <stdio.h>""... $ac_c" 1>&6
-echo "configure:1937: checking for sys_nerr in <errno.h> or <stdio.h>" >&5
-cat > conftest.$ac_ext <<EOF
-#line 1939 "configure"
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+echo "$as_me:3215: checking for sys_nerr in <errno.h> or <stdio.h>" >&5
+echo $ECHO_N "checking for sys_nerr in <errno.h> or <stdio.h>... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 3218 "configure"
 #include "confdefs.h"
 #include <errno.h>
 #include <stdio.h>
-int main() {
+int
+main ()
+{
 int k; k = sys_nerr;
-; return 0; }
-EOF
-if { (eval echo configure:1947: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  echo "$ac_t""yes" 1>&6;cat >> confdefs.h <<\EOF
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3231: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:3234: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:3237: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3240: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:3242: result: yes" >&5
+echo "${ECHO_T}yes" >&6;cat >>confdefs.h <<\EOF
 #define HAVE_SYS_NERR 1
 EOF
 
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:3250: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
-
-echo $ac_n "checking for sys_errlist in <errno.h> or <stdio.h>""... $ac_c" 1>&6
-echo "configure:1968: checking for sys_errlist in <errno.h> or <stdio.h>" >&5
-cat > conftest.$ac_ext <<EOF
-#line 1970 "configure"
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+echo "$as_me:3260: checking for sys_errlist in <errno.h> or <stdio.h>" >&5
+echo $ECHO_N "checking for sys_errlist in <errno.h> or <stdio.h>... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 3263 "configure"
 #include "confdefs.h"
 #include <errno.h>
 #include <stdio.h>
-int main() {
+int
+main ()
+{
 int k; k = (int)sys_errlist[0];
-; return 0; }
-EOF
-if { (eval echo configure:1978: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  echo "$ac_t""yes" 1>&6;cat >> confdefs.h <<\EOF
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3276: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:3279: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:3282: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3285: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:3287: result: yes" >&5
+echo "${ECHO_T}yes" >&6;cat >>confdefs.h <<\EOF
 #define HAVE_SYS_ERRLIST 1
 EOF
 
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:3295: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
-
-echo $ac_n "checking C++ <osfcn.h>""... $ac_c" 1>&6
-echo "configure:2000: checking C++ <osfcn.h>" >&5
-cat > conftest.$ac_ext <<EOF
-#line 2002 "configure"
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+echo "$as_me:3306: checking C++ <osfcn.h>" >&5
+echo $ECHO_N "checking C++ <osfcn.h>... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 3309 "configure"
 #include "confdefs.h"
 #include <osfcn.h>
-int main() {
+int
+main ()
+{
 read(0, 0, 0); open(0, 0);
-; return 0; }
-EOF
-if { (eval echo configure:2009: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  echo "$ac_t""yes" 1>&6;cat >> confdefs.h <<\EOF
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3321: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:3324: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:3327: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3330: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:3332: result: yes" >&5
+echo "${ECHO_T}yes" >&6;cat >>confdefs.h <<\EOF
 #define HAVE_CC_OSFCN_H 1
 EOF
 
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:3340: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
-
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
-
-echo $ac_n "checking C++ <limits.h>""... $ac_c" 1>&6
-echo "configure:2038: checking C++ <limits.h>" >&5
-cat > conftest.$ac_ext <<EOF
-#line 2040 "configure"
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+echo "$as_me:3356: checking C++ <limits.h>" >&5
+echo $ECHO_N "checking C++ <limits.h>... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 3359 "configure"
 #include "confdefs.h"
 #include <limits.h>
-int main() {
+int
+main ()
+{
 int x = INT_MIN; int y = INT_MAX; int z = UCHAR_MAX;
-; return 0; }
-EOF
-if { (eval echo configure:2047: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  echo "$ac_t""yes" 1>&6;cat >> confdefs.h <<\EOF
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3371: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:3374: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:3377: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3380: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:3382: result: yes" >&5
+echo "${ECHO_T}yes" >&6;cat >>confdefs.h <<\EOF
 #define HAVE_CC_LIMITS_H 1
 EOF
 
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:3390: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
-
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
-
-echo $ac_n "checking for declaration of time_t""... $ac_c" 1>&6
-echo "configure:2076: checking for declaration of time_t" >&5
-cat > conftest.$ac_ext <<EOF
-#line 2078 "configure"
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+echo "$as_me:3406: checking for declaration of time_t" >&5
+echo $ECHO_N "checking for declaration of time_t... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 3409 "configure"
 #include "confdefs.h"
 #include <time.h>
-int main() {
+int
+main ()
+{
 time_t t = time(0); struct tm *p = localtime(&t);
-; return 0; }
-EOF
-if { (eval echo configure:2085: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  echo "$ac_t""yes" 1>&6
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3421: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:3424: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:3427: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3430: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:3432: result: yes" >&5
+echo "${ECHO_T}yes" >&6
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6;cat >> confdefs.h <<\EOF
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:3437: result: no" >&5
+echo "${ECHO_T}no" >&6;cat >>confdefs.h <<\EOF
 #define LONG_FOR_TIME_T 1
 EOF
 
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
-
-echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:2106: checking return type of signal handlers" >&5
-if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+echo "$as_me:3450: checking return type of signal handlers" >&5
+echo $ECHO_N "checking return type of signal handlers... $ECHO_C" >&6
+if test "${ac_cv_type_signal+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 2111 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 3456 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
 #ifdef signal
-#undef signal
+# undef signal
 #endif
 #ifdef __cplusplus
 extern "C" void (*signal (int, void (*)(int)))(int);
@@ -2120,199 +3466,260 @@ extern "C" void (*signal (int, void (*)(int)))(int);
 void (*signal ()) ();
 #endif
 
-int main() {
+int
+main ()
+{
 int i;
-; return 0; }
-EOF
-if { (eval echo configure:2128: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3478: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:3481: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:3484: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3487: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_type_signal=void
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  ac_cv_type_signal=int
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_type_signal=int
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 fi
+echo "$as_me:3497: result: $ac_cv_type_signal" >&5
+echo "${ECHO_T}$ac_cv_type_signal" >&6
 
-echo "$ac_t""$ac_cv_type_signal" 1>&6
-cat >> confdefs.h <<EOF
+cat >>confdefs.h <<EOF
 #define RETSIGTYPE $ac_cv_type_signal
 EOF
 
-
-echo $ac_n "checking struct exception""... $ac_c" 1>&6
-echo "configure:2147: checking struct exception" >&5
-cat > conftest.$ac_ext <<EOF
-#line 2149 "configure"
+echo "$as_me:3504: checking struct exception" >&5
+echo $ECHO_N "checking struct exception... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 3507 "configure"
 #include "confdefs.h"
 #include <math.h>
-int main() {
+int
+main ()
+{
 struct exception e;
-; return 0; }
-EOF
-if { (eval echo configure:2156: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  echo "$ac_t""yes" 1>&6;cat >> confdefs.h <<\EOF
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3519: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:3522: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:3525: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3528: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:3530: result: yes" >&5
+echo "${ECHO_T}yes" >&6;cat >>confdefs.h <<\EOF
 #define HAVE_STRUCT_EXCEPTION 1
 EOF
 
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6
-fi
-rm -f conftest*
-echo $ac_n "checking for sin in -lm""... $ac_c" 1>&6
-echo "configure:2170: checking for sin in -lm" >&5
-ac_lib_var=`echo m'_'sin | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:3538: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:3542: checking for sin in -lm" >&5
+echo $ECHO_N "checking for sin in -lm... $ECHO_C" >&6
+if test "${ac_cv_lib_m_sin+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_save_LIBS="$LIBS"
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lm  $LIBS"
-cat > conftest.$ac_ext <<EOF
-#line 2178 "configure"
+cat >conftest.$ac_ext <<_ACEOF
+#line 3550 "configure"
 #include "confdefs.h"
+
 /* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 /* We use char because int might match the return type of a gcc2
-    builtin and then its argument prototype would still apply.  */
-char sin();
-
-int main() {
-sin()
-; return 0; }
-EOF
-if { (eval echo configure:2189: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
-  rm -rf conftest*
-  eval "ac_cv_lib_$ac_lib_var=yes"
+   builtin and then its argument prototype would still apply.  */
+char sin ();
+int
+main ()
+{
+sin ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:3569: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:3572: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:3575: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3578: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_m_sin=yes
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_lib_$ac_lib_var=no"
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_lib_m_sin=no
 fi
-rm -f conftest*
-LIBS="$ac_save_LIBS"
-
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
 fi
-if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
+echo "$as_me:3589: result: $ac_cv_lib_m_sin" >&5
+echo "${ECHO_T}$ac_cv_lib_m_sin" >&6
+if test $ac_cv_lib_m_sin = yes; then
   LIBM=-lm
-else
-  echo "$ac_t""no" 1>&6
 fi
 
-
-for ac_hdr in unistd.h
+for ac_header in stdlib.h unistd.h
 do
-ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
-echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2214: checking for $ac_hdr" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 2219 "configure"
+ac_ac_Header=`echo "ac_cv_header_$ac_header" | $ac_tr_sh`
+echo "$as_me:3598: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$ac_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line 3604 "configure"
 #include "confdefs.h"
-#include <$ac_hdr>
-EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2224: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
-if test -z "$ac_err"; then
-  rm -rf conftest*
-  eval "ac_cv_header_$ac_safe=yes"
-else
-  echo "$ac_err" >&5
-  echo "configure: failed program was:" >&5
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:3608: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  egrep -v '^ *\+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:3614: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  eval "$ac_ac_Header=yes"
+else
+  echo "$as_me: failed program was:" >&5
   cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_header_$ac_safe=no"
+  eval "$ac_ac_Header=no"
 fi
-rm -f conftest*
+rm -f conftest.err conftest.$ac_ext
 fi
-if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
-  cat >> confdefs.h <<EOF
-#define $ac_tr_hdr 1
+echo "$as_me:3633: result: `eval echo '${'$ac_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$ac_ac_Header'}'`" >&6
+if test `eval echo '${'$ac_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_header" | $ac_tr_cpp` 1
 EOF
- 
-else
-  echo "$ac_t""no" 1>&6
+
 fi
 done
 
 for ac_func in getpagesize
 do
-echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2253: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+ac_ac_var=`echo "ac_cv_func_$ac_func" | $ac_tr_sh`
+echo "$as_me:3646: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$ac_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 2258 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 3652 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func(); below.  */
+    which can conflict with char $ac_func (); below.  */
 #include <assert.h>
 /* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 /* We use char because int might match the return type of a gcc2
-    builtin and then its argument prototype would still apply.  */
-char $ac_func();
-
-int main() {
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+char (*f) ();
 
+int
+main ()
+{
 /* 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
-$ac_func();
+f = $ac_func;
 #endif
 
-; return 0; }
-EOF
-if { (eval echo configure:2281: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
-  rm -rf conftest*
-  eval "ac_cv_func_$ac_func=yes"
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:3683: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:3686: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:3689: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3692: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$ac_ac_var=yes"
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_func_$ac_func=no"
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+eval "$ac_ac_var=no"
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 fi
-
-if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-  cat >> confdefs.h <<EOF
-#define $ac_tr_func 1
+echo "$as_me:3702: result: `eval echo '${'$ac_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$ac_ac_var'}'`" >&6
+if test `eval echo '${'$ac_ac_var'}'` = yes; then
+  cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_func" | $ac_tr_cpp` 1
 EOF
- 
-else
-  echo "$ac_t""no" 1>&6
+
 fi
 done
 
-echo $ac_n "checking for working mmap""... $ac_c" 1>&6
-echo "configure:2306: checking for working mmap" >&5
-if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+echo "$as_me:3712: checking for working mmap" >&5
+echo $ECHO_N "checking for working mmap... $ECHO_C" >&6
+if test "${ac_cv_func_mmap_fixed_mapped+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test "$cross_compiling" = yes; then
   ac_cv_func_mmap_fixed_mapped=no
 else
-  cat > conftest.$ac_ext <<EOF
-#line 2314 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 3721 "configure"
 #include "confdefs.h"
-
 /* Thanks to Mike Haertel and Jim Avera for this test.
    Here is a matrix of mmap possibilities:
 	mmap private not fixed
@@ -2325,7 +3732,7 @@ else
    back from the file, nor mmap's back from the file at a different
    address.  (There have been systems where private was not correctly
    implemented like the infamous i386 svr4.0, and systems where the
-   VM page cache was not coherent with the filesystem buffer cache
+   VM page cache was not coherent with the file system buffer cache
    like early versions of FreeBSD and possibly contemporary NetBSD.)
    For shared mappings, we should conversely verify that changes get
    propogated back to all the places they're supposed to be.
@@ -2338,21 +3745,27 @@ else
 #include <fcntl.h>
 #include <sys/mman.h>
 
-/* This mess was copied from the GNU getpagesize.h.  */
-#ifndef HAVE_GETPAGESIZE
-# ifdef HAVE_UNISTD_H
-#  include <unistd.h>
-# endif
+#if STDC_HEADERS || HAVE_STDLIB_H
+# include <stdlib.h>
+#else
+char *malloc ();
+#endif
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#include <sys/stat.h>
 
+/* This mess was copied from the GNU getpagesize.h.  */
+#if !HAVE_GETPAGESIZE
 /* Assume that all systems that can run configure have sys/param.h.  */
-# ifndef HAVE_SYS_PARAM_H
+# if !HAVE_SYS_PARAM_H
 #  define HAVE_SYS_PARAM_H 1
 # endif
 
 # ifdef _SC_PAGESIZE
 #  define getpagesize() sysconf(_SC_PAGESIZE)
 # else /* no _SC_PAGESIZE */
-#  ifdef HAVE_SYS_PARAM_H
+#  if HAVE_SYS_PARAM_H
 #   include <sys/param.h>
 #   ifdef EXEC_PAGESIZE
 #    define getpagesize() EXEC_PAGESIZE
@@ -2379,406 +3792,486 @@ else
 
 #endif /* no HAVE_GETPAGESIZE */
 
-#ifdef __cplusplus
-extern "C" { void *malloc(unsigned); }
-#else
-char *malloc();
-#endif
-
 int
-main()
+main ()
 {
-	char *data, *data2, *data3;
-	int i, pagesize;
-	int fd;
-
-	pagesize = getpagesize();
-
-	/*
-	 * First, make a file with some known garbage in it.
-	 */
-	data = malloc(pagesize);
-	if (!data)
-		exit(1);
-	for (i = 0; i < pagesize; ++i)
-		*(data + i) = rand();
-	umask(0);
-	fd = creat("conftestmmap", 0600);
-	if (fd < 0)
-		exit(1);
-	if (write(fd, data, pagesize) != pagesize)
-		exit(1);
-	close(fd);
-
-	/*
-	 * Next, try to mmap the file at a fixed address which
-	 * already has something else allocated at it.  If we can,
-	 * also make sure that we see the same garbage.
-	 */
-	fd = open("conftestmmap", O_RDWR);
-	if (fd < 0)
-		exit(1);
-	data2 = malloc(2 * pagesize);
-	if (!data2)
-		exit(1);
-	data2 += (pagesize - ((int) data2 & (pagesize - 1))) & (pagesize - 1);
-	if (data2 != mmap(data2, pagesize, PROT_READ | PROT_WRITE,
-	    MAP_PRIVATE | MAP_FIXED, fd, 0L))
-		exit(1);
-	for (i = 0; i < pagesize; ++i)
-		if (*(data + i) != *(data2 + i))
-			exit(1);
-
-	/*
-	 * Finally, make sure that changes to the mapped area
-	 * do not percolate back to the file as seen by read().
-	 * (This is a bug on some variants of i386 svr4.0.)
-	 */
-	for (i = 0; i < pagesize; ++i)
-		*(data2 + i) = *(data2 + i) + 1;
-	data3 = malloc(pagesize);
-	if (!data3)
-		exit(1);
-	if (read(fd, data3, pagesize) != pagesize)
-		exit(1);
-	for (i = 0; i < pagesize; ++i)
-		if (*(data + i) != *(data3 + i))
-			exit(1);
-	close(fd);
-	unlink("conftestmmap");
-	exit(0);
+  char *data, *data2, *data3;
+  int i, pagesize;
+  int fd;
+
+  pagesize = getpagesize ();
+
+  /* First, make a file with some known garbage in it. */
+  data = (char *) malloc (pagesize);
+  if (!data)
+    exit (1);
+  for (i = 0; i < pagesize; ++i)
+    *(data + i) = rand ();
+  umask (0);
+  fd = creat ("conftest.mmap", 0600);
+  if (fd < 0)
+    exit (1);
+  if (write (fd, data, pagesize) != pagesize)
+    exit (1);
+  close (fd);
+
+  /* Next, try to mmap the file at a fixed address which already has
+     something else allocated at it.  If we can, also make sure that
+     we see the same garbage.  */
+  fd = open ("conftest.mmap", O_RDWR);
+  if (fd < 0)
+    exit (1);
+  data2 = (char *) malloc (2 * pagesize);
+  if (!data2)
+    exit (1);
+  data2 += (pagesize - ((int) data2 & (pagesize - 1))) & (pagesize - 1);
+  if (data2 != mmap (data2, pagesize, PROT_READ | PROT_WRITE,
+                     MAP_PRIVATE | MAP_FIXED, fd, 0L))
+    exit (1);
+  for (i = 0; i < pagesize; ++i)
+    if (*(data + i) != *(data2 + i))
+      exit (1);
+
+  /* Finally, make sure that changes to the mapped area do not
+     percolate back to the file as seen by read().  (This is a bug on
+     some variants of i386 svr4.0.)  */
+  for (i = 0; i < pagesize; ++i)
+    *(data2 + i) = *(data2 + i) + 1;
+  data3 = (char *) malloc (pagesize);
+  if (!data3)
+    exit (1);
+  if (read (fd, data3, pagesize) != pagesize)
+    exit (1);
+  for (i = 0; i < pagesize; ++i)
+    if (*(data + i) != *(data3 + i))
+      exit (1);
+  close (fd);
+  exit (0);
 }
-
-EOF
-if { (eval echo configure:2454: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
-then
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:3853: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:3856: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (eval echo "$as_me:3858: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3861: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_func_mmap_fixed_mapped=yes
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -fr conftest*
-  ac_cv_func_mmap_fixed_mapped=no
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_func_mmap_fixed_mapped=no
 fi
-rm -fr conftest*
+rm -f core core.* *.core conftest$ac_exeext conftest.$ac_ext
 fi
-
 fi
-
-echo "$ac_t""$ac_cv_func_mmap_fixed_mapped" 1>&6
+echo "$as_me:3873: result: $ac_cv_func_mmap_fixed_mapped" >&5
+echo "${ECHO_T}$ac_cv_func_mmap_fixed_mapped" >&6
 if test $ac_cv_func_mmap_fixed_mapped = yes; then
-  cat >> confdefs.h <<\EOF
+
+cat >>confdefs.h <<\EOF
 #define HAVE_MMAP 1
 EOF
 
 fi
+rm -f conftest.mmap
 
 saved_libs="$LIBS"
 LIBS="$LIBS -lc $LIBM"
+
 for ac_func in fmod strtol getcwd strerror putenv
 do
-echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2481: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+ac_ac_var=`echo "ac_cv_func_$ac_func" | $ac_tr_sh`
+echo "$as_me:3890: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$ac_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 2486 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 3896 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func(); below.  */
+    which can conflict with char $ac_func (); below.  */
 #include <assert.h>
 /* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 /* We use char because int might match the return type of a gcc2
-    builtin and then its argument prototype would still apply.  */
-char $ac_func();
-
-int main() {
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+char (*f) ();
 
+int
+main ()
+{
 /* 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
-$ac_func();
+f = $ac_func;
 #endif
 
-; return 0; }
-EOF
-if { (eval echo configure:2509: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
-  rm -rf conftest*
-  eval "ac_cv_func_$ac_func=yes"
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:3927: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:3930: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:3933: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:3936: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$ac_ac_var=yes"
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_func_$ac_func=no"
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+eval "$ac_ac_var=no"
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 fi
-
-if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-  cat >> confdefs.h <<EOF
-#define $ac_tr_func 1
+echo "$as_me:3946: result: `eval echo '${'$ac_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$ac_ac_var'}'`" >&6
+if test `eval echo '${'$ac_ac_var'}'` = yes; then
+  cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_func" | $ac_tr_cpp` 1
 EOF
- 
+
 else
-  echo "$ac_t""no" 1>&6
-LIBOBJS="$LIBOBJS ${ac_func}.${ac_objext}"
+  LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
 fi
 done
 
-
 LIBS="$saved_libs"
+
 for ac_func in rename strcasecmp strncasecmp strsep strdup
 do
-echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2539: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+ac_ac_var=`echo "ac_cv_func_$ac_func" | $ac_tr_sh`
+echo "$as_me:3963: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$ac_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 2544 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 3969 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func(); below.  */
+    which can conflict with char $ac_func (); below.  */
 #include <assert.h>
 /* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 /* We use char because int might match the return type of a gcc2
-    builtin and then its argument prototype would still apply.  */
-char $ac_func();
-
-int main() {
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+char (*f) ();
 
+int
+main ()
+{
 /* 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
-$ac_func();
+f = $ac_func;
 #endif
 
-; return 0; }
-EOF
-if { (eval echo configure:2567: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
-  rm -rf conftest*
-  eval "ac_cv_func_$ac_func=yes"
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:4000: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:4003: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:4006: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:4009: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$ac_ac_var=yes"
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_func_$ac_func=no"
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+eval "$ac_ac_var=no"
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 fi
-
-if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-  cat >> confdefs.h <<EOF
-#define $ac_tr_func 1
+echo "$as_me:4019: result: `eval echo '${'$ac_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$ac_ac_var'}'`" >&6
+if test `eval echo '${'$ac_ac_var'}'` = yes; then
+  cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_func" | $ac_tr_cpp` 1
 EOF
- 
-else
-  echo "$ac_t""no" 1>&6
+
 fi
 done
 
-echo $ac_n "checking for mkstemp""... $ac_c" 1>&6
-echo "configure:2592: checking for mkstemp" >&5
-if eval "test \"`echo '$''{'ac_cv_func_mkstemp'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+echo "$as_me:4029: checking for mkstemp" >&5
+echo $ECHO_N "checking for mkstemp... $ECHO_C" >&6
+if test "${ac_cv_func_mkstemp+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 2597 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 4035 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char mkstemp(); below.  */
+    which can conflict with char mkstemp (); below.  */
 #include <assert.h>
 /* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 /* We use char because int might match the return type of a gcc2
-    builtin and then its argument prototype would still apply.  */
-char mkstemp();
-
-int main() {
+   builtin and then its argument prototype would still apply.  */
+char mkstemp ();
+char (*f) ();
 
+int
+main ()
+{
 /* 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_mkstemp) || defined (__stub___mkstemp)
 choke me
 #else
-mkstemp();
+f = mkstemp;
 #endif
 
-; return 0; }
-EOF
-if { (eval echo configure:2620: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
-  rm -rf conftest*
-  eval "ac_cv_func_mkstemp=yes"
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:4066: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:4069: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:4072: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:4075: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_func_mkstemp=yes
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_func_mkstemp=no"
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_func_mkstemp=no
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 fi
-
-if eval "test \"`echo '$ac_cv_func_'mkstemp`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-  cat >> confdefs.h <<\EOF
+echo "$as_me:4085: result: $ac_cv_func_mkstemp" >&5
+echo "${ECHO_T}$ac_cv_func_mkstemp" >&6
+if test $ac_cv_func_mkstemp = yes; then
+  cat >>confdefs.h <<\EOF
 #define HAVE_MKSTEMP 1
 EOF
 
-echo $ac_n "checking for mkstemp prototype in <stdlib.h>""... $ac_c" 1>&6
-echo "configure:2639: checking for mkstemp prototype in <stdlib.h>" >&5
-cat > conftest.$ac_ext <<EOF
-#line 2641 "configure"
+echo "$as_me:4092: checking for mkstemp prototype in <stdlib.h>" >&5
+echo $ECHO_N "checking for mkstemp prototype in <stdlib.h>... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 4095 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
-EOF
+_ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   egrep "mkstemp" >/dev/null 2>&1; then
-  rm -rf conftest*
-  echo "$ac_t""yes" 1>&6;cat >> confdefs.h <<\EOF
+  echo "$as_me:4101: result: yes" >&5
+echo "${ECHO_T}yes" >&6;cat >>confdefs.h <<\EOF
 #define HAVE_MKSTEMP_PROTO 1
 EOF
 
 else
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6
+  echo "$as_me:4107: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
 rm -f conftest*
 
-else
-  echo "$ac_t""no" 1>&6
 fi
 
-echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6
-echo "configure:2663: checking for sys_siglist declaration in signal.h or unistd.h" >&5
-if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
+echo "$as_me:4114: checking for sys_siglist declaration in signal.h or unistd.h" >&5
+echo $ECHO_N "checking for sys_siglist declaration in signal.h or unistd.h... $ECHO_C" >&6
+if test "${ac_cv_decl_sys_siglist+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 2668 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 4120 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
 /* NetBSD declares sys_siglist in unistd.h.  */
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
 #endif
-int main() {
+
+int
+main ()
+{
 char *msg = *(sys_siglist + 1);
-; return 0; }
-EOF
-if { (eval echo configure:2680: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4138: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:4141: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:4144: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:4147: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_decl_sys_siglist=yes
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  ac_cv_decl_sys_siglist=no
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_decl_sys_siglist=no
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 fi
-
-echo "$ac_t""$ac_cv_decl_sys_siglist" 1>&6
+echo "$as_me:4157: result: $ac_cv_decl_sys_siglist" >&5
+echo "${ECHO_T}$ac_cv_decl_sys_siglist" >&6
 if test $ac_cv_decl_sys_siglist = yes; then
-  cat >> confdefs.h <<\EOF
+
+cat >>confdefs.h <<\EOF
 #define SYS_SIGLIST_DECLARED 1
 EOF
 
 fi
 
-
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
-
-echo $ac_n "checking whether ANSI array delete syntax supported""... $ac_c" 1>&6
-echo "configure:2709: checking whether ANSI array delete syntax supported" >&5
-cat > conftest.$ac_ext <<EOF
-#line 2711 "configure"
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+echo "$as_me:4173: checking whether ANSI array delete syntax supported" >&5
+echo $ECHO_N "checking whether ANSI array delete syntax supported... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 4176 "configure"
 #include "confdefs.h"
 
-int main() {
+int
+main ()
+{
 char *p = new char[5]; delete [] p;
-; return 0; }
-EOF
-if { (eval echo configure:2718: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  echo "$ac_t""yes" 1>&6
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4188: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:4191: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:4194: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:4197: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:4199: result: yes" >&5
+echo "${ECHO_T}yes" >&6
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6;cat >> confdefs.h <<\EOF
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:4204: result: no" >&5
+echo "${ECHO_T}no" >&6;cat >>confdefs.h <<\EOF
 #define ARRAY_DELETE_NEEDS_SIZE 1
 EOF
 
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-
-ac_ext=C
-# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cxx_cross
-
-echo $ac_n "checking traditional preprocessor""... $ac_c" 1>&6
-echo "configure:2747: checking traditional preprocessor" >&5
-cat > conftest.$ac_ext <<EOF
-#line 2749 "configure"
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+echo "$as_me:4223: checking traditional preprocessor" >&5
+echo $ECHO_N "checking traditional preprocessor... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line 4226 "configure"
 #include "confdefs.h"
 #define name2(a,b) a/**/b
-int main() {
+int
+main ()
+{
 int name2(foo,bar);
-; return 0; }
-EOF
-if { (eval echo configure:2756: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  echo "$ac_t""yes" 1>&6;cat >> confdefs.h <<\EOF
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4238: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:4241: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:4244: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:4247: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:4249: result: yes" >&5
+echo "${ECHO_T}yes" >&6;cat >>confdefs.h <<\EOF
 #define TRADITIONAL_CPP 1
 EOF
 
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:4257: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
-rm -f conftest*
+rm -f conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-echo $ac_n "checking w_coredump""... $ac_c" 1>&6
-echo "configure:2777: checking w_coredump" >&5
+echo "$as_me:4267: checking w_coredump" >&5
+echo $ECHO_N "checking w_coredump... $ECHO_C" >&6
 if test "$cross_compiling" = yes; then
-  echo "$ac_t""no" 1>&6
+  echo "$as_me:4270: result: no" >&5
+echo "${ECHO_T}no" >&6
 else
-  cat > conftest.$ac_ext <<EOF
-#line 2782 "configure"
+  cat >conftest.$ac_ext <<_ACEOF
+#line 4274 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -2792,29 +4285,40 @@ main()
   exit(i != 0200);
 #endif
 }
-EOF
-if { (eval echo configure:2797: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
-then
-  echo "$ac_t""yes" 1>&6;cat >> confdefs.h <<\EOF
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:4290: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:4293: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (eval echo "$as_me:4295: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:4298: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:4300: result: yes" >&5
+echo "${ECHO_T}yes" >&6;cat >>confdefs.h <<\EOF
 #define WCOREFLAG 0200
 EOF
 
 else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -fr conftest*
-  echo "$ac_t""no" 1>&6
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+echo "$as_me:4309: result: no" >&5
+echo "${ECHO_T}no" >&6
 fi
-rm -fr conftest*
+rm -f core core.* *.core conftest$ac_exeext conftest.$ac_ext
 fi
-
-echo $ac_n "checking default value for grops -b option""... $ac_c" 1>&6
-echo "configure:2813: checking default value for grops -b option" >&5
+echo "$as_me:4314: checking default value for grops -b option" >&5
+echo $ECHO_N "checking default value for grops -b option... $ECHO_C" >&6
 test -n "${BROKEN_SPOOLER_FLAGS}" || BROKEN_SPOOLER_FLAGS=7
-echo "$ac_t""$BROKEN_SPOOLER_FLAGS" 1>&6
+echo "$as_me:4317: result: $BROKEN_SPOOLER_FLAGS" >&5
+echo "${ECHO_T}$BROKEN_SPOOLER_FLAGS" >&6
 
-echo $ac_n "checking default paper size""... $ac_c" 1>&6
-echo "configure:2818: checking default paper size" >&5
+echo "$as_me:4320: checking default paper size" >&5
+echo $ECHO_N "checking default paper size... $ECHO_C" >&6
 if test -z "$PAGE"; then
 	descfile=
 	if test -r $prefix/share/groff/font/devps/DESC; then
@@ -2853,20 +4357,23 @@ if test -z "$PAGE"; then
 	esac
 fi
 test -n "$PAGE" || PAGE=letter
-echo "$ac_t""$PAGE" 1>&6
+echo "$as_me:4360: result: $PAGE" >&5
+echo "${ECHO_T}$PAGE" >&6
 
-echo $ac_n "checking for existing troff installation""... $ac_c" 1>&6
-echo "configure:2860: checking for existing troff installation" >&5
+echo "$as_me:4363: checking for existing troff installation" >&5
+echo $ECHO_N "checking for existing troff installation... $ECHO_C" >&6
 if test "x`(echo .tm '|n(.g' | tr '|' '\\\\' | troff -z -i 2>&1) 2>/dev/null`" = x0; then
-	echo "$ac_t""yes" 1>&6
+	echo "$as_me:4366: result: yes" >&5
+echo "${ECHO_T}yes" >&6
 	g=g
 else
-	echo "$ac_t""no" 1>&6
+	echo "$as_me:4370: result: no" >&5
+echo "${ECHO_T}no" >&6
 	g=
 fi
 
-echo $ac_n "checking for prefix of system macro packages""... $ac_c" 1>&6
-echo "configure:2870: checking for prefix of system macro packages" >&5
+echo "$as_me:4375: checking for prefix of system macro packages" >&5
+echo $ECHO_N "checking for prefix of system macro packages... $ECHO_C" >&6
 sys_tmac_prefix=
 sys_tmac_file_prefix=
 for d in /usr/share/lib/tmac /usr/lib/tmac; do
@@ -2882,11 +4389,12 @@ for d in /usr/share/lib/tmac /usr/lib/tmac; do
 		done
 	done
 done
-echo "$ac_t""$sys_tmac_prefix" 1>&6
+echo "$as_me:4392: result: $sys_tmac_prefix" >&5
+echo "${ECHO_T}$sys_tmac_prefix" >&6
 
 tmac_wrap=
-echo $ac_n "checking which system macro packages should be made available""... $ac_c" 1>&6
-echo "configure:2890: checking which system macro packages should be made available" >&5
+echo "$as_me:4396: checking which system macro packages should be made available" >&5
+echo $ECHO_N "checking which system macro packages should be made available... $ECHO_C" >&6
 if test "x$sys_tmac_file_prefix" = "xtmac."; then
 	for f in $sys_tmac_prefix*; do
 		suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
@@ -2895,7 +4403,7 @@ if test "x$sys_tmac_file_prefix" = "xtmac."; then
 		*)
 			grep "Copyright.*Free Software Foundation" $f >/dev/null \
 			  || tmac_wrap="$tmac_wrap $suff" ;;
-		esac 
+		esac
 	done
 elif test -n "$sys_tmac_prefix"; then
 	files=`echo $sys_tmac_prefix*`
@@ -2921,292 +4429,641 @@ elif test -n "$sys_tmac_prefix"; then
 	done
 	rm -f conftest.sol
 fi
-echo "$ac_t""$tmac_wrap" 1>&6
+echo "$as_me:4432: result: $tmac_wrap" >&5
+echo "${ECHO_T}$tmac_wrap" >&6
 
 $srcdir/mkinstalldirs src/xditview
-trap '' 1 2 15
-cat > confcache <<\EOF
+ac_config_files="$ac_config_files Makefile src/xditview/Imakefile"
+
+cat >confcache <<\_ACEOF
 # 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.
+# scripts and configure runs, see configure's option --config-cache.
+# 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.
+# config.status only pays attention to the cache file if you give it
+# the --recheck option to rerun configure.
 #
-EOF
+# `ac_cv_env_foo' variables (set or unset) will be overriden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# following values.
+
+_ACEOF
+
 # The following way of writing the cache mishandles newlines in values,
 # but we know of no workaround that is simple, portable, and efficient.
 # So, don't put newlines in cache variables' values.
 # Ultrix sh set writes to stderr and can't be redirected directly,
 # and sets the high bit in the cache file unless we assign to the vars.
-(set) 2>&1 |
-  case `(ac_space=' '; set | grep ac_space) 2>&1` in
-  *ac_space=\ *)
-    # `set' does not quote correctly, so add quotes (double-quote substitution
-    # turns \\\\ into \\, and sed turns \\ into \).
-    sed -n \
-      -e "s/'/'\\\\''/g" \
-      -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
-    ;;
-  *)
-    # `set' quotes correctly as required by POSIX, so do not add quotes.
-    sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
-    ;;
-  esac >> confcache
-if cmp -s $cache_file confcache; then
-  :
-else
+{
+  (set) 2>&1 |
+    case `(ac_space=' '; set | grep ac_space) 2>&1` in
+    *ac_space=\ *)
+      # `set' does not quote correctly, so add quotes (double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \).
+      sed -n \
+        "s/'/'\\\\''/g;
+    	  s/^\\([_$ac_cr_alnum]*_cv_[_$ac_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
+      ;;
+    *)
+      # `set' quotes correctly as required by POSIX, so do not add quotes.
+      sed -n \
+        "s/^\\([_$ac_cr_alnum]*_cv_[_$ac_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
+      ;;
+    esac;
+} |
+  sed '
+     t clear
+     : clear
+     s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+     t end
+     /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+     : end' >>confcache
+if cmp -s $cache_file confcache; then :; else
   if test -w $cache_file; then
-    echo "updating cache $cache_file"
-    cat confcache > $cache_file
+    test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file"
+    cat confcache >$cache_file
   else
     echo "not updating unwritable cache $cache_file"
   fi
 fi
 rm -f confcache
 
-trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
-
 test "x$prefix" = xNONE && prefix=$ac_default_prefix
 # Let make expand exec_prefix.
 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
 
-# Any assignment to VPATH causes Sun make to only execute
-# the first set of double-colon rules, so remove it if not needed.
-# If there is a colon in the path, we need to keep it.
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[ 	]*VPATH[ 	]*=[^:]*$/d'
+  ac_vpsub='/^[ 	]*VPATH[ 	]*=/{
+s/:*\$(srcdir):*/:/;
+s/:*\${srcdir}:*/:/;
+s/:*@srcdir@:*/:/;
+s/^\([^=]*=[ 	]*\):*/\1/;
+s/:*$//;
+s/^[^=]*=[ 	]*$//;
+}'
 fi
 
-trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
-
 # Transform confdefs.h into DEFS.
 # Protect against shell expansion while executing Makefile rules.
 # Protect against Makefile macro expansion.
-cat > conftest.defs <<\EOF
-s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
-s%[ 	`~#$^&*(){}\\|;'"<>?]%\\&%g
-s%\[%\\&%g
-s%\]%\\&%g
-s%\$%$$%g
+#
+# If the first sed substitution is executed (which looks for macros that
+# take arguments), then we branch to the quote section.  Otherwise,
+# look for a macro that doesn't take arguments.
+cat >confdef2opt.sed <<\EOF
+t clear
+: clear
+s,^[ 	]*#[ 	]*define[ 	][ 	]*\([^ 	(][^ 	(]*([^)]*)\)[ 	]*\(.*\),-D\1=\2,g
+t quote
+s,^[ 	]*#[ 	]*define[ 	][ 	]*\([^ 	][^ 	]*\)[ 	]*\(.*\),-D\1=\2,g
+t quote
+d
+: quote
+s,[ 	`~#$^&*(){}\\|;'"<>?],\\&,g
+s,\[,\\&,g
+s,\],\\&,g
+s,\$,$$,g
+p
 EOF
-if test "$groff_cv_os390" = "yes"; then
-	DEFS=`sed -f conftest.defs confdefs.h | tr '\n' ' '`
-else
-	DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
-fi
-rm -f conftest.defs
-
+# We use echo to avoid assuming a particular line-breaking character.
+# The extra dot is to prevent the shell from consuming trailing
+# line-breaks from the sub-command output.  A line-break within
+# single-quotes doesn't work because, if this script is created in a
+# platform that uses two characters for line-breaks (e.g., DOS), tr
+# would break.
+ac_LF_and_DOT=`echo; echo .`
+DEFS=`sed -n -f confdef2opt.sed confdefs.h | tr "$ac_LF_and_DOT" ' .'`
+rm -f confdef2opt.sed
 
-# Without the "./", some shells look in PATH for config.status.
 : ${CONFIG_STATUS=./config.status}
-
-echo creating $CONFIG_STATUS
-rm -f $CONFIG_STATUS
-cat > $CONFIG_STATUS <<EOF
-#! /bin/sh
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files $CONFIG_STATUS"
+{ echo "$as_me:4547: creating $CONFIG_STATUS" >&5
+echo "$as_me: creating $CONFIG_STATUS" >&6;}
+cat >$CONFIG_STATUS <<_ACEOF
+#! $SHELL
 # 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.
+# configure, is in config.log if it exists.
 
-ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
-for ac_option
+debug=false
+SHELL=\${CONFIG_SHELL-$SHELL}
+ac_cs_invocation="\$0 \$@"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+# Be Bourne compatible
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
+  set -o posix
+fi
+
+# Name of the executable.
+as_me=`echo "$0" |sed 's,.*[\\/],,'`
+
+if expr a : '\(a\)' >/dev/null 2>&1; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+rm -f conf$$ conf$$.exe conf$$.file
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+  # We could just check for DJGPP; but this test a) works b) is more generic
+  # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04).
+  if test -f conf$$.exe; then
+    # Don't use ln at all; we don't have any links
+    as_ln_s='cp -p'
+  else
+    as_ln_s='ln -s'
+  fi
+elif ln conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s=ln
+else
+  as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.file
+
+as_executable_p="test -f"
+
+# Support unset when possible.
+if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
+fi
+
+# NLS nuisances.
+$as_unset LANG || test "${LANG+set}" != set || { LANG=C; export LANG; }
+$as_unset LC_ALL || test "${LC_ALL+set}" != set || { LC_ALL=C; export LC_ALL; }
+$as_unset LC_TIME || test "${LC_TIME+set}" != set || { LC_TIME=C; export LC_TIME; }
+$as_unset LC_CTYPE || test "${LC_CTYPE+set}" != set || { LC_CTYPE=C; export LC_CTYPE; }
+$as_unset LANGUAGE || test "${LANGUAGE+set}" != set || { LANGUAGE=C; export LANGUAGE; }
+$as_unset LC_COLLATE || test "${LC_COLLATE+set}" != set || { LC_COLLATE=C; export LC_COLLATE; }
+$as_unset LC_NUMERIC || test "${LC_NUMERIC+set}" != set || { LC_NUMERIC=C; export LC_NUMERIC; }
+$as_unset LC_MESSAGES || test "${LC_MESSAGES+set}" != set || { LC_MESSAGES=C; export LC_MESSAGES; }
+
+# IFS
+# We need space, tab and new line, in precisely that order.
+as_nl='
+'
+IFS=" 	$as_nl"
+
+# CDPATH.
+$as_unset CDPATH || test "${CDPATH+set}" != set || { CDPATH=:; export CDPATH; }
+
+exec 6>&1
+
+_ACEOF
+
+# Files that config.status was made for.
+if test -n "$ac_config_files"; then
+  echo "config_files=\"$ac_config_files\"" >>$CONFIG_STATUS
+fi
+
+if test -n "$ac_config_headers"; then
+  echo "config_headers=\"$ac_config_headers\"" >>$CONFIG_STATUS
+fi
+
+if test -n "$ac_config_links"; then
+  echo "config_links=\"$ac_config_links\"" >>$CONFIG_STATUS
+fi
+
+if test -n "$ac_config_commands"; then
+  echo "config_commands=\"$ac_config_commands\"" >>$CONFIG_STATUS
+fi
+
+cat >>$CONFIG_STATUS <<\EOF
+
+ac_cs_usage="\
+\`$as_me' instantiates files from templates according to the
+current configuration.
+
+Usage: $0 [OPTIONS] [FILE]...
+
+  -h, --help       print this help, then exit
+  -V, --version    print version number, then exit
+  -d, --debug      don't remove temporary files
+      --recheck    update $as_me by reconfiguring in the same conditions
+  --file=FILE[:TEMPLATE]
+                   instantiate the configuration file FILE
+
+Configuration files:
+$config_files
+
+Report bugs to <bug-autoconf@gnu.org>."
+EOF
+
+cat >>$CONFIG_STATUS <<EOF
+ac_cs_version="\\
+config.status
+configured by $0, generated by GNU Autoconf 2.50,
+  with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
+
+Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
+Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+srcdir=$srcdir
+INSTALL="$INSTALL"
+EOF
+
+cat >>$CONFIG_STATUS <<\EOF
+# If no file are specified by the user, then we need to provide default
+# value.  By we need to know if files were specified by the user.
+ac_need_defaults=:
+while test $# != 0
 do
-  case "\$ac_option" in
+  case $1 in
+  --*=*)
+    ac_option=`expr "x$1" : 'x\([^=]*\)='`
+    ac_optarg=`expr "x$1" : 'x[^=]*=\(.*\)'`
+    shift
+    set dummy "$ac_option" "$ac_optarg" ${1+"$@"}
+    shift
+    ;;
+  -*);;
+  *) # This is not an option, so the user has probably given explicit
+     # arguments.
+     ac_need_defaults=false;;
+  esac
+
+  case $1 in
+  # Handling of the options.
+EOF
+cat >>$CONFIG_STATUS <<EOF
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
-    echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
-    exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
-  -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.13"
-    exit 0 ;;
-  -help | --help | --hel | --he | --h)
-    echo "\$ac_cs_usage"; exit 0 ;;
-  *) echo "\$ac_cs_usage"; exit 1 ;;
+    echo "running $SHELL $0 " $ac_configure_args " --no-create --no-recursion"
+    exec $SHELL $0 $ac_configure_args --no-create --no-recursion ;;
+EOF
+cat >>$CONFIG_STATUS <<\EOF
+  --version | --vers* | -V )
+    echo "$ac_cs_version"; exit 0 ;;
+  --he | --h)
+    # Conflict between --help and --header
+    { { echo "$as_me:4715: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&5
+echo "$as_me: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&2;}
+   { (exit 1); exit 1; }; };;
+  --help | --hel | -h )
+    echo "$ac_cs_usage"; exit 0 ;;
+  --debug | --d* | -d )
+    debug=: ;;
+  --file | --fil | --fi | --f )
+    shift
+    CONFIG_FILES="$CONFIG_FILES $1"
+    ac_need_defaults=false;;
+  --header | --heade | --head | --hea )
+    shift
+    CONFIG_HEADERS="$CONFIG_HEADERS $1"
+    ac_need_defaults=false;;
+
+  # Handling of arguments.
+  'Makefile' ) CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+  'src/xditview/Imakefile' ) CONFIG_FILES="$CONFIG_FILES src/xditview/Imakefile" ;;
+
+  # This is an error.
+  -*) { { echo "$as_me:4738: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&5
+echo "$as_me: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&2;}
+   { (exit 1); exit 1; }; } ;;
+  *) { { echo "$as_me:4743: error: invalid argument: $1" >&5
+echo "$as_me: error: invalid argument: $1" >&2;}
+   { (exit 1); exit 1; }; };;
   esac
+  shift
 done
 
-ac_given_srcdir=$srcdir
-ac_given_INSTALL="$INSTALL"
+exec 5>>config.log
+cat >&5 << _ACEOF
+
+## ----------------------- ##
+## Running config.status.  ##
+## ----------------------- ##
+
+This file was extended by $as_me 2.50, executed with
+  > $ac_cs_invocation
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
 
-trap 'rm -fr `echo "Makefile src/xditview/Imakefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
+_ACEOF
 EOF
-cat >> $CONFIG_STATUS <<EOF
 
-# Protect against being on the right side of a sed subst in config.status.
-sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
- s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
-$ac_vpsub
-$extrasub
-s%@SHELL@%$SHELL%g
-s%@CFLAGS@%$CFLAGS%g
-s%@CPPFLAGS@%$CPPFLAGS%g
-s%@CXXFLAGS@%$CXXFLAGS%g
-s%@FFLAGS@%$FFLAGS%g
-s%@DEFS@%$DEFS%g
-s%@LDFLAGS@%$LDFLAGS%g
-s%@LIBS@%$LIBS%g
-s%@exec_prefix@%$exec_prefix%g
-s%@prefix@%$prefix%g
-s%@program_transform_name@%$program_transform_name%g
-s%@bindir@%$bindir%g
-s%@sbindir@%$sbindir%g
-s%@libexecdir@%$libexecdir%g
-s%@datadir@%$datadir%g
-s%@sysconfdir@%$sysconfdir%g
-s%@sharedstatedir@%$sharedstatedir%g
-s%@localstatedir@%$localstatedir%g
-s%@libdir@%$libdir%g
-s%@includedir@%$includedir%g
-s%@oldincludedir@%$oldincludedir%g
-s%@infodir@%$infodir%g
-s%@mandir@%$mandir%g
-s%@top_builddir@%$top_builddir%g
-s%@CC@%$CC%g
-s%@CXX@%$CXX%g
-s%@TTYDEVDIRS@%$TTYDEVDIRS%g
-s%@LPR@%$LPR%g
-s%@LP@%$LP%g
-s%@LPQ@%$LPQ%g
-s%@PSPRINT@%$PSPRINT%g
-s%@DVIPRINT@%$DVIPRINT%g
-s%@PERLPATH@%$PERLPATH%g
-s%@YACC@%$YACC%g
-s%@RANLIB@%$RANLIB%g
-s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
-s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
-s%@INSTALL_DATA@%$INSTALL_DATA%g
-s%@LN_S@%$LN_S%g
-s%@SH_SCRIPT_SED_CMD@%$SH_SCRIPT_SED_CMD%g
-s%@CPP@%$CPP%g
-s%@LIBM@%$LIBM%g
-s%@LIBOBJS@%$LIBOBJS%g
-s%@BROKEN_SPOOLER_FLAGS@%$BROKEN_SPOOLER_FLAGS%g
-s%@PAGE@%$PAGE%g
-s%@g@%$g%g
-s%@sys_tmac_prefix@%$sys_tmac_prefix%g
-s%@tmac_wrap@%$tmac_wrap%g
+cat >>$CONFIG_STATUS <<\EOF
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used.  Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+fi
+
+# Create a temporary directory, and hook for its removal unless debugging.
+$debug ||
+{
+  trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0
+  trap '{ (exit $?); exit $?; }' 1 2 13 15
+}
+
+# Create a (secure) tmp directory for tmp files.
+: ${TMPDIR=/tmp}
+{
+  tmp=`(umask 077 && mktemp -d -q "$TMPDIR/csXXXXXX") 2>/dev/null` &&
+  test -n "$tmp" && test -d "$tmp"
+}  ||
+{
+  tmp=$TMPDIR/cs$$-$RANDOM
+  (umask 077 && mkdir $tmp)
+} ||
+{
+   echo "$me: cannot create a temporary directory in $TMPDIR" >&2
+   { (exit 1); exit 1; }
+}
+
+EOF
+
+cat >>$CONFIG_STATUS <<EOF
 
+#
+# CONFIG_FILES section.
+#
+
+# No need to generate the scripts if there are no CONFIG_FILES.
+# This happens for instance when ./config.status config.h
+if test -n "\$CONFIG_FILES"; then
+  # Protect against being on the right side of a sed subst in config.status.
+  sed 's/,@/@@/; s/@,/@@/; s/,;t t\$/@;t t/; /@;t t\$/s/[\\\\&,]/\\\\&/g;
+   s/@@/,@/; s/@@/@,/; s/@;t t\$/,;t t/' >\$tmp/subs.sed <<\\CEOF
+s,@SHELL@,$SHELL,;t t
+s,@exec_prefix@,$exec_prefix,;t t
+s,@prefix@,$prefix,;t t
+s,@program_transform_name@,$program_transform_name,;t t
+s,@bindir@,$bindir,;t t
+s,@sbindir@,$sbindir,;t t
+s,@libexecdir@,$libexecdir,;t t
+s,@datadir@,$datadir,;t t
+s,@sysconfdir@,$sysconfdir,;t t
+s,@sharedstatedir@,$sharedstatedir,;t t
+s,@localstatedir@,$localstatedir,;t t
+s,@libdir@,$libdir,;t t
+s,@includedir@,$includedir,;t t
+s,@oldincludedir@,$oldincludedir,;t t
+s,@infodir@,$infodir,;t t
+s,@mandir@,$mandir,;t t
+s,@PACKAGE_NAME@,$PACKAGE_NAME,;t t
+s,@PACKAGE_TARNAME@,$PACKAGE_TARNAME,;t t
+s,@PACKAGE_VERSION@,$PACKAGE_VERSION,;t t
+s,@PACKAGE_STRING@,$PACKAGE_STRING,;t t
+s,@PACKAGE_BUGREPORT@,$PACKAGE_BUGREPORT,;t t
+s,@ECHO_C@,$ECHO_C,;t t
+s,@ECHO_N@,$ECHO_N,;t t
+s,@ECHO_T@,$ECHO_T,;t t
+s,@PATH_SEPARATOR@,$PATH_SEPARATOR,;t t
+s,@DEFS@,$DEFS,;t t
+s,@LIBS@,$LIBS,;t t
+s,@top_builddir@,$top_builddir,;t t
+s,@CC@,$CC,;t t
+s,@CFLAGS@,$CFLAGS,;t t
+s,@LDFLAGS@,$LDFLAGS,;t t
+s,@CPPFLAGS@,$CPPFLAGS,;t t
+s,@ac_ct_CC@,$ac_ct_CC,;t t
+s,@EXEEXT@,$EXEEXT,;t t
+s,@OBJEXT@,$OBJEXT,;t t
+s,@CXX@,$CXX,;t t
+s,@CXXFLAGS@,$CXXFLAGS,;t t
+s,@ac_ct_CXX@,$ac_ct_CXX,;t t
+s,@TTYDEVDIRS@,$TTYDEVDIRS,;t t
+s,@LPR@,$LPR,;t t
+s,@LP@,$LP,;t t
+s,@LPQ@,$LPQ,;t t
+s,@PSPRINT@,$PSPRINT,;t t
+s,@DVIPRINT@,$DVIPRINT,;t t
+s,@PERLPATH@,$PERLPATH,;t t
+s,@YACC@,$YACC,;t t
+s,@RANLIB@,$RANLIB,;t t
+s,@ac_ct_RANLIB@,$ac_ct_RANLIB,;t t
+s,@INSTALL_PROGRAM@,$INSTALL_PROGRAM,;t t
+s,@INSTALL_SCRIPT@,$INSTALL_SCRIPT,;t t
+s,@INSTALL_DATA@,$INSTALL_DATA,;t t
+s,@LN_S@,$LN_S,;t t
+s,@SH_SCRIPT_SED_CMD@,$SH_SCRIPT_SED_CMD,;t t
+s,@CPP@,$CPP,;t t
+s,@LIBM@,$LIBM,;t t
+s,@LIBOBJS@,$LIBOBJS,;t t
+s,@BROKEN_SPOOLER_FLAGS@,$BROKEN_SPOOLER_FLAGS,;t t
+s,@PAGE@,$PAGE,;t t
+s,@g@,$g,;t t
+s,@sys_tmac_prefix@,$sys_tmac_prefix,;t t
+s,@tmac_wrap@,$tmac_wrap,;t t
 CEOF
+
 EOF
 
-cat >> $CONFIG_STATUS <<\EOF
-
-# Split the substitutions into bite-sized pieces for seds with
-# small command number limits, like on Digital OSF/1 and HP-UX.
-ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
-ac_file=1 # Number of current file.
-ac_beg=1 # First line for current file.
-ac_end=$ac_max_sed_cmds # Line after last line for current file.
-ac_more_lines=:
-ac_sed_cmds=""
-while $ac_more_lines; do
-  if test $ac_beg -gt 1; then
-    sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
-  else
-    sed "${ac_end}q" conftest.subs > conftest.s$ac_file
-  fi
-  if test ! -s conftest.s$ac_file; then
-    ac_more_lines=false
-    rm -f conftest.s$ac_file
-  else
-    if test -z "$ac_sed_cmds"; then
-      ac_sed_cmds="sed -f conftest.s$ac_file"
+  cat >>$CONFIG_STATUS <<\EOF
+  # Split the substitutions into bite-sized pieces for seds with
+  # small command number limits, like on Digital OSF/1 and HP-UX.
+  ac_max_sed_lines=48
+  ac_sed_frag=1 # Number of current file.
+  ac_beg=1 # First line for current file.
+  ac_end=$ac_max_sed_lines # Line after last line for current file.
+  ac_more_lines=:
+  ac_sed_cmds=
+  while $ac_more_lines; do
+    if test $ac_beg -gt 1; then
+      sed "1,${ac_beg}d; ${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
+    else
+      sed "${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
+    fi
+    if test ! -s $tmp/subs.frag; then
+      ac_more_lines=false
     else
-      ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file"
+      # The purpose of the label and of the branching condition is to
+      # speed up the sed processing (if there are no `@' at all, there
+      # is no need to browse any of the substitutions).
+      # These are the two extra sed commands mentioned above.
+      (echo ':t
+  /@[a-zA-Z_][a-zA-Z_0-9]*@/!b' && cat $tmp/subs.frag) >$tmp/subs-$ac_sed_frag.sed
+      if test -z "$ac_sed_cmds"; then
+  	ac_sed_cmds="sed -f $tmp/subs-$ac_sed_frag.sed"
+      else
+  	ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed"
+      fi
+      ac_sed_frag=`expr $ac_sed_frag + 1`
+      ac_beg=$ac_end
+      ac_end=`expr $ac_end + $ac_max_sed_lines`
     fi
-    ac_file=`expr $ac_file + 1`
-    ac_beg=$ac_end
-    ac_end=`expr $ac_end + $ac_max_sed_cmds`
+  done
+  if test -z "$ac_sed_cmds"; then
+    ac_sed_cmds=cat
   fi
-done
-if test -z "$ac_sed_cmds"; then
-  ac_sed_cmds=cat
-fi
-EOF
-
-cat >> $CONFIG_STATUS <<EOF
+fi # test -n "$CONFIG_FILES"
 
-CONFIG_FILES=\${CONFIG_FILES-"Makefile src/xditview/Imakefile"}
 EOF
-cat >> $CONFIG_STATUS <<\EOF
-for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
+cat >>$CONFIG_STATUS <<\EOF
+for ac_file in : $CONFIG_FILES; do test "x$ac_file" = x: && continue
   # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
-  case "$ac_file" in
-  *:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
-       ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
-  *) ac_file_in="${ac_file}.in" ;;
+  case $ac_file in
+  - | *:- | *:-:* ) # input from stdin
+        cat >$tmp/stdin
+        ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+        ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+  *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+        ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+  * )   ac_file_in=$ac_file.in ;;
   esac
 
-  # Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.
-
-  # Remove last slash and all that follows it.  Not all systems have dirname.
-  ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
+  # Compute @srcdir@, @top_srcdir@, and @INSTALL@ for subdirectories.
+  ac_dir=`$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+         X"$ac_file" : 'X\(//\)[^/]' \| \
+         X"$ac_file" : 'X\(//\)$' \| \
+         X"$ac_file" : 'X\(/\)' \| \
+         .     : '\(.\)' 2>/dev/null ||
+echo X"$ac_file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+  	  /^X\(\/\/\)$/{ s//\1/; q; }
+  	  /^X\(\/\).*/{ s//\1/; q; }
+  	  s/.*/./; q'`
   if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
-    # The file is in a subdirectory.
-    test ! -d "$ac_dir" && mkdir "$ac_dir"
-    ac_dir_suffix="/`echo $ac_dir|sed 's%^\./%%'`"
+    { case "$ac_dir" in
+  [\\/]* | ?:[\\/]* ) as_incr_dir=;;
+  *)                      as_incr_dir=.;;
+esac
+as_dummy="$ac_dir"
+for as_mkdir_dir in `IFS='/\\'; set X $as_dummy; shift; echo "$@"`; do
+  case $as_mkdir_dir in
+    # Skip DOS drivespec
+    ?:) as_incr_dir=$as_mkdir_dir ;;
+    *)
+      as_incr_dir=$as_incr_dir/$as_mkdir_dir
+      test -d "$as_incr_dir" || mkdir "$as_incr_dir"
+    ;;
+  esac
+done; }
+
+    ac_dir_suffix="/`echo $ac_dir|sed 's,^\./,,'`"
     # A "../" for each directory in $ac_dir_suffix.
-    ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
+    ac_dots=`echo "$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" ;;
+  case $srcdir in
+  .)  ac_srcdir=.
+      if test -z "$ac_dots"; then
+         ac_top_srcdir=.
+      else
+         ac_top_srcdir=`echo $ac_dots | sed 's,/$,,'`
+      fi ;;
+  [\\/]* | ?:[\\/]* )
+      ac_srcdir=$srcdir$ac_dir_suffix;
+      ac_top_srcdir=$srcdir ;;
   *) # Relative path.
-    srcdir="$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$ac_given_INSTALL" ;;
+    ac_srcdir=$ac_dots$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_dots$srcdir ;;
   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= ;;
+  case $INSTALL in
+  [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
+  *) ac_INSTALL=$ac_dots$INSTALL ;;
   esac
 
-  ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
-  sed -e "$ac_comsub
-s%@configure_input@%$configure_input%g
-s%@srcdir@%$srcdir%g
-s%@top_srcdir@%$top_srcdir%g
-s%@INSTALL@%$INSTALL%g
-" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file
-fi; done
-rm -f conftest.s*
-
+  if test x"$ac_file" != x-; then
+    { echo "$as_me:4984: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
+    rm -f "$ac_file"
+  fi
+  # Let's still pretend it is `configure' which instantiates (i.e., don't
+  # use $as_me), people would be surprised to read:
+  #    /* config.h.  Generated automatically by config.status.  */
+  configure_input="Generated automatically from `echo $ac_file_in |
+                                                 sed 's,.*/,,'` by configure."
+
+  # First look for the input files in the build tree, otherwise in the
+  # src tree.
+  ac_file_inputs=`IFS=:
+    for f in $ac_file_in; do
+      case $f in
+      -) echo $tmp/stdin ;;
+      [\\/$]*)
+         # Absolute (can't be DOS-style, as IFS=:)
+         test -f "$f" || { { echo "$as_me:5002: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+   { (exit 1); exit 1; }; }
+         echo $f;;
+      *) # Relative
+         if test -f "$f"; then
+           # Build tree
+           echo $f
+         elif test -f "$srcdir/$f"; then
+           # Source tree
+           echo $srcdir/$f
+         else
+           # /dev/null tree
+           { { echo "$as_me:5015: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+   { (exit 1); exit 1; }; }
+         fi;;
+      esac
+    done` || { (exit 1); exit 1; }
 EOF
-cat >> $CONFIG_STATUS <<EOF
+cat >>$CONFIG_STATUS <<EOF
+  sed "$ac_vpsub
+$extrasub
+EOF
+cat >>$CONFIG_STATUS <<\EOF
+:t
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+s,@configure_input@,$configure_input,;t t
+s,@srcdir@,$ac_srcdir,;t t
+s,@top_srcdir@,$ac_top_srcdir,;t t
+s,@INSTALL@,$ac_INSTALL,;t t
+" $ac_file_inputs | (eval "$ac_sed_cmds") >$tmp/out
+  rm -f $tmp/stdin
+  if test x"$ac_file" != x-; then
+    mv $tmp/out $ac_file
+  else
+    cat $tmp/out
+    rm -f $tmp/out
+  fi
 
+done
 EOF
-cat >> $CONFIG_STATUS <<\EOF
 
-exit 0
+cat >>$CONFIG_STATUS <<\EOF
+
+{ (exit 0); exit 0; }
 EOF
 chmod +x $CONFIG_STATUS
-rm -fr confdefs* $ac_clean_files
-test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
+ac_clean_files=$ac_clean_files_save
+
+# configure is writing to config.log, and then calls config.status.
+# config.status does its own redirection, appending to config.log.
+# Unfortunately, on DOS this fails, as config.log is still kept open
+# by configure, so config.status won't be able to write to it; its
+# output is simply discarded.  So we exec the FD to /dev/null,
+# effectively closing config.log, so it can be properly (re)opened and
+# appended to by config.status.  When coming back to configure, we
+# need to make the FD available again.
+if test "$no_create" != yes; then
+  ac_cs_success=:
+  exec 5>/dev/null
+  $SHELL $CONFIG_STATUS || ac_cs_success=false
+  exec 5>>config.log
+  # Use ||, not &&, to avoid exiting from the if with $? = 1, which
+  # would make configure fail if this is the last instruction.
+  $ac_cs_success || { (exit 1); exit 1; }
+fi
 
diff --git a/configure.in b/configure.ac
index 3000a805..b8f111a0 100755..100644
--- a/configure.in
+++ b/configure.ac
@@ -1,5 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT(src/roff/groff/groff.cc)
+AC_INIT
+AC_CONFIG_SRCDIR([src/roff/groff/groff.cc])
 dnl checks for programs
 GROFF_SRCDIR
 GROFF_BUILDDIR
@@ -60,4 +61,5 @@ GROFF_PAGE
 GROFF_G
 GROFF_TMAC
 $srcdir/mkinstalldirs src/xditview
-AC_OUTPUT(Makefile src/xditview/Imakefile)
+AC_CONFIG_FILES([Makefile src/xditview/Imakefile])
+AC_OUTPUT