Add a `color' request and a `.color' register to control usage of

colours.

* src/roff/troff/input.cc (disable_color_flag): Replaced with...
(color_flag): This (which is the inverse).
(activate_color): New function.
(main, init_input_requests): Updated.
* src/roff/troff/troff.h, src/roff/troff/node.cc
(troff_output_file::fill_color, troff_output_file::glyph_color):
Updated.

* NEWS, doc/groff.texinfo, man/groff_diff.man, man/groff.man:
Document the changes.


Circumvent bug in autoconf 2.53 regarding top_builddir.

* aclocal.m4 (GROFF_BUILDDIR): s/top_builddir/groff_top_builddir/.
* Makefile.in, src/xditview/Imakefile.in, doc/Makefile.in:
s/@top_builddir@/@groff_top_builddir@/.
* configure: Regenerated (with autoconf 2.53).

13 files changed, 2211 insertions, 1230 deletions

diff --git a/ChangeLog b/ChangeLog
index 3cb0b60b..1778bdd8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,28 @@
+2002-06-18  Werner LEMBERG  <wl@gnu.org>
+
+	Add a `color' request and a `.color' register to control usage of
+	colours.
+
+	* src/roff/troff/input.cc (disable_color_flag): Replaced with...
+	(color_flag): This (which is the inverse).
+	(activate_color): New function.
+	(main, init_input_requests): Updated.
+	* src/roff/troff/troff.h, src/roff/troff/node.cc
+	(troff_output_file::fill_color, troff_output_file::glyph_color):
+	Updated.
+
+	* NEWS, doc/groff.texinfo, man/groff_diff.man, man/groff.man:
+	Document the changes.
+
+2002-06-17  Colin Watson  <cjwatson@debian.org>
+
+	Circumvent bug in autoconf 2.53 regarding top_builddir.
+
+	* aclocal.m4 (GROFF_BUILDDIR): s/top_builddir/groff_top_builddir/.
+	* Makefile.in, src/xditview/Imakefile.in, doc/Makefile.in:
+	s/@top_builddir@/@groff_top_builddir@/.
+	* configure: Regenerated (with autoconf 2.53).
+
 2002-06-17  Werner LEMBERG  <wl@gnu.org>
 
 	* src/libs/libgroff/font.cc (font::load_desc): Fix computation of
diff --git a/Makefile.in b/Makefile.in
index 0abfc4ba..14fe7080 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -20,7 +20,7 @@
 srcdir=@srcdir@
 top_srcdir=@top_srcdir@
 VPATH=@srcdir@
-top_builddir=@top_builddir@
+top_builddir=@groff_top_builddir@
 
 version=`cat $(top_srcdir)/VERSION`
 # No additional number if revision is zero
diff --git a/NEWS b/NEWS
index aa1849a2..7be40679 100644
--- a/NEWS
+++ b/NEWS
@@ -23,6 +23,10 @@ o Color support has been added to troff and pic (and to the device drivers
   `DF'.  The device-specific default color is called `default' and can't be
   redefined.
 
+  Use the `color' request to toggle the usage of colors (default is on); the
+  read-only register `.color' is 0 if colors are not active, and non-zero
+  otherwise.
+
   The old `Df' output command is mapped onto `DFg'; all color output
   commands don't change the current font position (consequently, `Df'
   doesn't either).
diff --git a/aclocal.m4 b/aclocal.m4
index a2c497b0..c3e6b643 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -460,8 +460,8 @@ dnl
 dnl This simplifies Makefile rules.
 dnl
 AC_DEFUN(GROFF_BUILDDIR,
-[top_builddir=`pwd`
-AC_SUBST(top_builddir)])dnl
+[groff_top_builddir=`pwd`
+AC_SUBST(groff_top_builddir)])dnl
 dnl
 dnl
 dnl Check for EBCDIC - stolen from the OS390 Unix LYNX port
diff --git a/configure b/configure
index 78c34d44..22796975 100755
--- a/configure
+++ b/configure
@@ -1,24 +1,22 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by Autoconf 2.52.
+# Generated by GNU Autoconf 2.53.
 #
-# Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
+# Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
 # Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
 
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
+if expr a : '\(a\)' >/dev/null 2>&1; then
+  as_expr=expr
+else
+  as_expr=false
+fi
 
-# Sed expression to map a string onto a valid variable name.
-as_tr_sh="sed y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
 
-# Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="sed y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+## --------------------- ##
+## M4sh Initialization.  ##
+## --------------------- ##
 
 # Be Bourne compatible
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
@@ -28,8 +26,165 @@ elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
   set -o posix
 fi
 
+# NLS nuisances.
+# Support unset when possible.
+if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
+fi
+
+(set +x; test -n "`(LANG=C; export LANG) 2>&1`") &&
+    { $as_unset LANG || test "${LANG+set}" != set; } ||
+      { LANG=C; export LANG; }
+(set +x; test -n "`(LC_ALL=C; export LC_ALL) 2>&1`") &&
+    { $as_unset LC_ALL || test "${LC_ALL+set}" != set; } ||
+      { LC_ALL=C; export LC_ALL; }
+(set +x; test -n "`(LC_TIME=C; export LC_TIME) 2>&1`") &&
+    { $as_unset LC_TIME || test "${LC_TIME+set}" != set; } ||
+      { LC_TIME=C; export LC_TIME; }
+(set +x; test -n "`(LC_CTYPE=C; export LC_CTYPE) 2>&1`") &&
+    { $as_unset LC_CTYPE || test "${LC_CTYPE+set}" != set; } ||
+      { LC_CTYPE=C; export LC_CTYPE; }
+(set +x; test -n "`(LANGUAGE=C; export LANGUAGE) 2>&1`") &&
+    { $as_unset LANGUAGE || test "${LANGUAGE+set}" != set; } ||
+      { LANGUAGE=C; export LANGUAGE; }
+(set +x; test -n "`(LC_COLLATE=C; export LC_COLLATE) 2>&1`") &&
+    { $as_unset LC_COLLATE || test "${LC_COLLATE+set}" != set; } ||
+      { LC_COLLATE=C; export LC_COLLATE; }
+(set +x; test -n "`(LC_NUMERIC=C; export LC_NUMERIC) 2>&1`") &&
+    { $as_unset LC_NUMERIC || test "${LC_NUMERIC+set}" != set; } ||
+      { LC_NUMERIC=C; export LC_NUMERIC; }
+(set +x; test -n "`(LC_MESSAGES=C; export LC_MESSAGES) 2>&1`") &&
+    { $as_unset LC_MESSAGES || test "${LC_MESSAGES+set}" != set; } ||
+      { LC_MESSAGES=C; export LC_MESSAGES; }
+
+
 # Name of the executable.
-as_me=`echo "$0" |sed 's,.*[\\/],,'`
+as_me=`(basename "$0") 2>/dev/null ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)$' \| \
+	 .     : '\(.\)' 2>/dev/null ||
+echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
+  	  /^X\/\(\/\/\)$/{ s//\1/; q; }
+  	  /^X\/\(\/\).*/{ s//\1/; q; }
+  	  s/.*/./; q'`
+
+# PATH needs CR, and LINENO needs CR and PATH.
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  echo "#! /bin/sh" >conftest.sh
+  echo  "exit 0"   >>conftest.sh
+  chmod +x conftest.sh
+  if (PATH=".;."; conftest.sh) >/dev/null 2>&1; then
+    PATH_SEPARATOR=';'
+  else
+    PATH_SEPARATOR=:
+  fi
+  rm -f conftest.sh
+fi
+
+
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x$as_lineno_3"  = "x$as_lineno_2"  || {
+  # Find who we are.  Look in the path if we contain no path at all
+  # relative or not.
+  case $0 in
+    *[\\/]* ) as_myself=$0 ;;
+    *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+
+       ;;
+  esac
+  # We did not find ourselves, most probably we were run as `sh COMMAND'
+  # in which case we are not to be found in the path.
+  if test "x$as_myself" = x; then
+    as_myself=$0
+  fi
+  if test ! -f "$as_myself"; then
+    { echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2
+   { (exit 1); exit 1; }; }
+  fi
+  case $CONFIG_SHELL in
+  '')
+    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for as_base in sh bash ksh sh5; do
+	 case $as_dir in
+	 /*)
+	   if ("$as_dir/$as_base" -c '
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x$as_lineno_3"  = "x$as_lineno_2" ') 2>/dev/null; then
+	     CONFIG_SHELL=$as_dir/$as_base
+	     export CONFIG_SHELL
+	     exec "$CONFIG_SHELL" "$0" ${1+"$@"}
+	   fi;;
+	 esac
+       done
+done
+;;
+  esac
+
+  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+  # uniformly replaced by the line number.  The first 'sed' inserts a
+  # line-number line before each line; the second 'sed' does the real
+  # work.  The second script uses 'N' to pair each line-number line
+  # with the numbered line, and appends trailing '-' during
+  # substitution so that $LINENO is not a special case at line end.
+  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+  # second 'sed' script.  Blame Lee E. McMahon for sed's syntax.  :-)
+  sed '=' <$as_myself |
+    sed '
+      N
+      s,$,-,
+      : loop
+      s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
+      t loop
+      s,-$,,
+      s,^['$as_cr_digits']*\n,,
+    ' >$as_me.lineno &&
+  chmod +x $as_me.lineno ||
+    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+   { (exit 1); exit 1; }; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensible to this).
+  . ./$as_me.lineno
+  # Exit status is that of the last command.
+  exit
+}
+
+
+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
 
 if expr a : '\(a\)' >/dev/null 2>&1; then
   as_expr=expr
@@ -57,22 +212,12 @@ 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
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="sed y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="sed y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
 
-# 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.
@@ -81,7 +226,8 @@ as_nl='
 IFS=" 	$as_nl"
 
 # CDPATH.
-$as_unset CDPATH || test "${CDPATH+set}" != set || { CDPATH=:; export CDPATH; }
+$as_unset CDPATH || test "${CDPATH+set}" != set || { CDPATH=$PATH_SEPARATOR; export CDPATH; }
+
 
 # Name of the host.
 # hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
@@ -96,7 +242,8 @@ exec 6>&1
 ac_default_prefix=/usr/local
 cross_compiling=no
 subdirs=
-MFLAGS= MAKEFLAGS=
+MFLAGS=
+MAKEFLAGS=
 SHELL=${CONFIG_SHELL-/bin/sh}
 
 # Maximum number of lines to put in a shell here document.
@@ -104,6 +251,13 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # only ac_max_sed_lines should be used.
 : ${ac_max_here_lines=38}
 
+# Identity of this package.
+PACKAGE_NAME=
+PACKAGE_TARNAME=
+PACKAGE_VERSION=
+PACKAGE_STRING=
+PACKAGE_BUGREPORT=
+
 ac_unique_file="src/roff/groff/groff.cc"
 # Factoring default headers for most tests.
 ac_includes_default="\
@@ -142,6 +296,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
+
 # Initialize some variables set by options.
 ac_init_help=
 ac_init_version=false
@@ -180,13 +335,6 @@ oldincludedir='/usr/include'
 infodir='${prefix}/info'
 mandir='${prefix}/man'
 
-# Identity of this package.
-PACKAGE_NAME=
-PACKAGE_TARNAME=
-PACKAGE_VERSION=
-PACKAGE_STRING=
-PACKAGE_BUGREPORT=
-
 ac_prev=
 for ac_option
 do
@@ -319,7 +467,7 @@ do
     with_fp=no ;;
 
   -no-create | --no-create | --no-creat | --no-crea | --no-cre \
-  | --no-cr | --no-c)
+  | --no-cr | --no-c | -n)
     no_create=yes ;;
 
   -no-recursion | --no-recursion | --no-recursio | --no-recursi \
@@ -498,7 +646,7 @@ do
   eval ac_val=$`echo $ac_var`
   case $ac_val in
     [\\/$]* | ?:[\\/]* | NONE | '' ) ;;
-    *)  { echo "$as_me: error: expected an absolute path for --$ac_var: $ac_val" >&2
+    *)  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
    { (exit 1); exit 1; }; };;
   esac
 done
@@ -510,18 +658,19 @@ do
   eval ac_val=$`echo $ac_var`
   case $ac_val in
     [\\/$]* | ?:[\\/]* ) ;;
-    *)  { echo "$as_me: error: expected an absolute path for --$ac_var: $ac_val" >&2
+    *)  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
    { (exit 1); exit 1; }; };;
   esac
 done
 
 # There might be people who depend on the old broken behavior: `$host'
 # used to hold the argument of --host etc.
+# FIXME: To remove some day.
 build=$build_alias
 host=$host_alias
 target=$target_alias
 
-# FIXME: should be removed in autoconf 3.0.
+# FIXME: To remove some day.
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
@@ -537,13 +686,23 @@ test -n "$host_alias" && ac_tool_prefix=$host_alias-
 
 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%[\\/][^\\/][^\\/]*$%%'`
-  test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
+  ac_confdir=`(dirname "$0") 2>/dev/null ||
+$as_expr X"$0" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+         X"$0" : 'X\(//\)[^/]' \| \
+         X"$0" : 'X\(//\)$' \| \
+         X"$0" : 'X\(/\)' \| \
+         .     : '\(.\)' 2>/dev/null ||
+echo X"$0" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+  	  /^X\(\/\/\)$/{ s//\1/; q; }
+  	  /^X\(\/\).*/{ s//\1/; q; }
+  	  s/.*/./; q'`
   srcdir=$ac_confdir
   if test ! -r $srcdir/$ac_unique_file; then
     srcdir=..
@@ -553,10 +712,10 @@ else
 fi
 if test ! -r $srcdir/$ac_unique_file; then
   if test "$ac_srcdir_defaulted" = yes; then
-    { echo "$as_me: error: cannot find sources in $ac_confdir or .." >&2
+    { echo "$as_me: error: cannot find sources ($ac_unique_file) in $ac_confdir or .." >&2
    { (exit 1); exit 1; }; }
   else
-    { echo "$as_me: error: cannot find sources in $srcdir" >&2
+    { echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
    { (exit 1); exit 1; }; }
   fi
 fi
@@ -608,7 +767,7 @@ ac_cv_env_CPP_value=$CPP
 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
+  cat <<_ACEOF
 \`configure' configures this package to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
@@ -629,9 +788,9 @@ Configuration:
   -n, --no-create         do not create output files
       --srcdir=DIR        find the sources in DIR [configure dir or \`..']
 
-EOF
+_ACEOF
 
-  cat <<EOF
+  cat <<_ACEOF
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
                           [$ac_default_prefix]
@@ -658,15 +817,15 @@ Fine tuning of the installation directories:
   --oldincludedir=DIR    C header files for non-gcc [/usr/include]
   --infodir=DIR          info documentation [PREFIX/info]
   --mandir=DIR           man documentation [PREFIX/man]
-EOF
+_ACEOF
 
-  cat <<\EOF
-EOF
+  cat <<\_ACEOF
+_ACEOF
 fi
 
 if test -n "$ac_init_help"; then
 
-  cat <<\EOF
+  cat <<\_ACEOF
 
 Some influential environment variables:
   CC          C compiler command
@@ -682,40 +841,60 @@ Some influential environment variables:
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
-EOF
+_ACEOF
 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
+  for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+    test -d $ac_dir || continue
+    ac_builddir=.
 
+if test "$ac_dir" != .; then
+  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
+  # A "../" for each directory in $ac_dir_suffix.
+  ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
+else
+  ac_dir_suffix= ac_top_builddir=
+fi
+
+case $srcdir in
+  .)  # No --srcdir option.  We are building in place.
+    ac_srcdir=.
+    if test -z "$ac_top_builddir"; then
+       ac_top_srcdir=.
+    else
+       ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
+    fi ;;
+  [\\/]* | ?:[\\/]* )  # Absolute path.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir ;;
+  *) # Relative path.
+    ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_builddir$srcdir ;;
+esac
+# Don't blindly perform a `cd "$ac_dir"/$ac_foo && pwd` since $ac_foo can be
+# absolute.
+ac_abs_builddir=`cd "$ac_dir" && cd $ac_builddir && pwd`
+ac_abs_top_builddir=`cd "$ac_dir" && cd $ac_top_builddir && pwd`
+ac_abs_srcdir=`cd "$ac_dir" && cd $ac_srcdir && pwd`
+ac_abs_top_srcdir=`cd "$ac_dir" && cd $ac_top_srcdir && pwd`
+
+    cd $ac_dir
     # Check for guested configure; otherwise get Cygnus style configure.
-    if test -f $ac_sub_srcdir/configure.gnu; then
+    if test -f $ac_srcdir/configure.gnu; then
       echo
-      $SHELL $ac_sub_srcdir/configure.gnu  --help=recursive
-    elif test -f $ac_sub_srcdir/configure; then
+      $SHELL $ac_srcdir/configure.gnu  --help=recursive
+    elif test -f $ac_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
+      $SHELL $ac_srcdir/configure  --help=recursive
+    elif test -f $ac_srcdir/configure.ac ||
+           test -f $ac_srcdir/configure.in; then
       echo
       $ac_configure --help
     else
-      echo "$as_me: WARNING: no configuration information is in $ac_subdir" >&2
+      echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi
     cd $ac_popdir
   done
@@ -723,31 +902,31 @@ fi
 
 test -n "$ac_init_help" && exit 0
 if $ac_init_version; then
-  cat <<\EOF
+  cat <<\_ACEOF
 
-Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
+Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
-EOF
+_ACEOF
   exit 0
 fi
 exec 5>config.log
-cat >&5 <<EOF
+cat >&5 <<_ACEOF
 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 2.52.  Invocation command line was
+generated by GNU Autoconf 2.53.  Invocation command line was
 
   $ $0 $@
 
-EOF
+_ACEOF
 {
 cat <<_ASUNAME
-## ---------- ##
-## Platform.  ##
-## ---------- ##
+## --------- ##
+## Platform. ##
+## --------- ##
 
 hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
 uname -m = `(uname -m) 2>/dev/null || echo unknown`
@@ -766,17 +945,27 @@ hostinfo               = `(hostinfo) 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 = $PATH
-
 _ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  echo "PATH: $as_dir"
+done
+
 } >&5
 
-cat >&5 <<EOF
-## ------------ ##
-## Core tests.  ##
-## ------------ ##
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
 
-EOF
 
 # Keep a trace of the command line.
 # Strip out --no-create and --no-recursion so they do not pile up.
@@ -787,15 +976,17 @@ for ac_arg
 do
   case $ac_arg in
   -no-create | --no-create | --no-creat | --no-crea | --no-cre \
-  | --no-cr | --no-c) ;;
+  | --no-cr | --no-c | -n ) continue ;;
   -no-recursion | --no-recursion | --no-recursio | --no-recursi \
-  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) ;;
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    continue ;;
   *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
-    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$ac_arg"
-     ac_sep=" " ;;
+    ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+  esac
+  case " $ac_configure_args " in
+    *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
+    *) ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'"
+       ac_sep=" " ;;
   esac
   # Get rid of the leading space.
 done
@@ -803,14 +994,19 @@ done
 # When interrupted or exit'd, cleanup temporary files, and complete
 # config.log.  We remove comments because anyway the quotes in there
 # would cause problems or look ugly.
+# WARNING: Be sure not to use single quotes in there, as some shells,
+# such as our DU 5.0 friend, will then `close' the trap.
 trap 'exit_status=$?
   # 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,
+  {
+    echo
+    cat <<\_ASBOX
+## ---------------- ##
+## Cache variables. ##
+## ---------------- ##
+_ASBOX
+    echo
+    # The following way of writing the cache mishandles newlines in values,
 {
   (set) 2>&1 |
     case `(ac_space='"'"' '"'"'; set | grep ac_space) 2>&1` in
@@ -824,21 +1020,24 @@ trap 'exit_status=$?
         "s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
       ;;
     esac;
-} >&5
-  sed "/^$/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$$* $ac_clean_files &&
+}
+    echo
+    if test -s confdefs.h; then
+      cat <<\_ASBOX
+## ----------- ##
+## confdefs.h. ##
+## ----------- ##
+_ASBOX
+      echo
+      sed "/^$/d" confdefs.h
+      echo
+    fi
+    test "$ac_signal" != 0 &&
+      echo "$as_me: caught signal $ac_signal"
+    echo "$as_me: exit $exit_status"
+  } >&5
+  rm -f core core.* *.core &&
+  rm -rf conftest* confdefs* conf$$* $ac_clean_files &&
     exit $exit_status
      ' 0
 for ac_signal in 1 2 13 15; do
@@ -851,6 +1050,33 @@ rm -rf conftest* confdefs.h
 # AIX cpp loses on an empty file, so make sure it contains at least a newline.
 echo >confdefs.h
 
+# Predefined preprocessor variables.
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_NAME "$PACKAGE_NAME"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_VERSION "$PACKAGE_VERSION"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_STRING "$PACKAGE_STRING"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
+_ACEOF
+
+
 # Let the site file select an alternate cache file if it wants to.
 # Prefer explicitly selected file to automatically selected ones.
 if test -z "$CONFIG_SITE"; then
@@ -862,9 +1088,9 @@ if test -z "$CONFIG_SITE"; then
 fi
 for ac_site_file in $CONFIG_SITE; do
   if test -r "$ac_site_file"; then
-    { echo "$as_me:865: loading site script $ac_site_file" >&5
+    { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
 echo "$as_me: loading site script $ac_site_file" >&6;}
-    cat "$ac_site_file" >&5
+    sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file"
   fi
 done
@@ -873,7 +1099,7 @@ if test -r "$cache_file"; then
   # Some versions of bash will fail to source /dev/null (special
   # files actually), so we avoid doing that.
   if test -f "$cache_file"; then
-    { echo "$as_me:876: loading cache $cache_file" >&5
+    { echo "$as_me:$LINENO: loading cache $cache_file" >&5
 echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . $cache_file;;
@@ -881,7 +1107,7 @@ echo "$as_me: loading cache $cache_file" >&6;}
     esac
   fi
 else
-  { echo "$as_me:884: creating cache $cache_file" >&5
+  { echo "$as_me:$LINENO: creating cache $cache_file" >&5
 echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
@@ -897,42 +1123,42 @@ for ac_var in `(set) 2>&1 |
   eval ac_new_val="\$ac_env_${ac_var}_value"
   case $ac_old_set,$ac_new_set in
     set,)
-      { echo "$as_me:900: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+      { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
 echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { echo "$as_me:904: error: \`$ac_var' was not set in the previous run" >&5
+      { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
 echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-        { echo "$as_me:910: error: \`$ac_var' has changed since the previous run:" >&5
+        { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
 echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-        { echo "$as_me:912:   former value:  $ac_old_val" >&5
+        { echo "$as_me:$LINENO:   former value:  $ac_old_val" >&5
 echo "$as_me:   former value:  $ac_old_val" >&2;}
-        { echo "$as_me:914:   current value: $ac_new_val" >&5
+        { echo "$as_me:$LINENO:   current value: $ac_new_val" >&5
 echo "$as_me:   current value: $ac_new_val" >&2;}
         ac_cache_corrupted=:
       fi;;
   esac
-  # Pass precious variables to config.status.  It doesn't matter if
-  # we pass some twice (in addition to the command line arguments).
+  # Pass precious variables to config.status.
   if test "$ac_new_set" = set; then
     case $ac_new_val in
     *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
-      ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"`
-      ac_configure_args="$ac_configure_args '$ac_arg'"
-      ;;
-    *) ac_configure_args="$ac_configure_args $ac_var=$ac_new_val"
-       ;;
+      ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *) ac_arg=$ac_var=$ac_new_val ;;
+    esac
+    case " $ac_configure_args " in
+      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
+      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
     esac
   fi
 done
 if $ac_cache_corrupted; then
-  { echo "$as_me:933: error: changes in the environment can compromise the build" >&5
+  { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
 echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  { { echo "$as_me:935: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
+  { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
 echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -943,32 +1169,29 @@ ac_compile='$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:955: PATH=\".;.\"; conftest.sh") >&5
-  (PATH=".;."; conftest.sh) 2>&5
-  ac_status=$?
-  echo "$as_me:958: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
-  ac_path_separator=';'
-else
-  ac_path_separator=:
-fi
-PATH_SEPARATOR="$ac_path_separator"
-rm -f conftest.sh
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 ac_config_headers="$ac_config_headers src/include/config.h:src/include/config.hin"
 
+
 ac_srcdir_defaulted=no
 srcdir=`cd $srcdir; pwd`
-top_builddir=`pwd`
+groff_top_builddir=`pwd`
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -978,7 +1201,7 @@ ac_compiler_gnu=$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:981: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -986,25 +1209,28 @@ else
   if test -n "$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:996: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}gcc"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:1004: result: $CC" >&5
+  echo "$as_me:$LINENO: result: $CC" >&5
 echo "${ECHO_T}$CC" >&6
 else
-  echo "$as_me:1007: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1013,7 +1239,7 @@ 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=$2
-echo "$as_me:1016: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -1021,25 +1247,28 @@ else
   if test -n "$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:1031: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="gcc"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  echo "$as_me:1039: result: $ac_ct_CC" >&5
+  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
 echo "${ECHO_T}$ac_ct_CC" >&6
 else
-  echo "$as_me:1042: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1052,7 +1281,7 @@ 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:1055: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -1060,25 +1289,28 @@ else
   if test -n "$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}cc"
-echo "$as_me:1070: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}cc"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:1078: result: $CC" >&5
+  echo "$as_me:$LINENO: result: $CC" >&5
 echo "${ECHO_T}$CC" >&6
 else
-  echo "$as_me:1081: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1087,7 +1319,7 @@ 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:1090: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -1095,25 +1327,28 @@ else
   if test -n "$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:1105: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="cc"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  echo "$as_me:1113: result: $ac_ct_CC" >&5
+  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
 echo "${ECHO_T}$ac_ct_CC" >&6
 else
-  echo "$as_me:1116: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1126,7 +1361,7 @@ 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=$2
-echo "$as_me:1129: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -1135,19 +1370,22 @@ else
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   ac_prog_rejected=no
-  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:1149: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+       ac_prog_rejected=yes
+       continue
+     fi
+    ac_cv_prog_CC="cc"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 if test $ac_prog_rejected = yes; then
@@ -1159,7 +1397,7 @@ if test $ac_prog_rejected = yes; then
     # However, it has the same basename, so the bogon will be chosen
     # first if we set CC to just the basename; use the full file name.
     shift
-    set dummy "$ac_dir/$ac_word" ${1+"$@"}
+    set dummy "$as_dir/$ac_word" ${1+"$@"}
     shift
     ac_cv_prog_CC="$@"
   fi
@@ -1168,10 +1406,10 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:1171: result: $CC" >&5
+  echo "$as_me:$LINENO: result: $CC" >&5
 echo "${ECHO_T}$CC" >&6
 else
-  echo "$as_me:1174: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1182,7 +1420,7 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$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:1185: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -1190,25 +1428,28 @@ else
   if test -n "$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$ac_prog"
-echo "$as_me:1200: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:1208: result: $CC" >&5
+  echo "$as_me:$LINENO: result: $CC" >&5
 echo "${ECHO_T}$CC" >&6
 else
-  echo "$as_me:1211: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1221,7 +1462,7 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:1224: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -1229,25 +1470,28 @@ else
   if test -n "$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:1239: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  echo "$as_me:1247: result: $ac_ct_CC" >&5
+  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
 echo "${ECHO_T}$ac_ct_CC" >&6
 else
-  echo "$as_me:1250: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1259,34 +1503,41 @@ fi
 
 fi
 
-test -z "$CC" && { { echo "$as_me:1262: error: no acceptable cc found in \$PATH" >&5
-echo "$as_me: error: no acceptable cc found in \$PATH" >&2;}
+
+test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH" >&5
+echo "$as_me: error: no acceptable C compiler found in \$PATH" >&2;}
    { (exit 1); exit 1; }; }
 
 # Provide some information about the compiler.
-echo "$as_me:1267:" \
+echo "$as_me:$LINENO:" \
      "checking for C compiler version" >&5
 ac_compiler=`set X $ac_compile; echo $2`
-{ (eval echo "$as_me:1270: \"$ac_compiler --version </dev/null >&5\"") >&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
   (eval $ac_compiler --version </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1273: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
-{ (eval echo "$as_me:1275: \"$ac_compiler -v </dev/null >&5\"") >&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
   (eval $ac_compiler -v </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1278: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
-{ (eval echo "$as_me:1280: \"$ac_compiler -V </dev/null >&5\"") >&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
   (eval $ac_compiler -V </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1283: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
 
 cat >conftest.$ac_ext <<_ACEOF
-#line 1287 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -1300,22 +1551,26 @@ ac_clean_files="$ac_clean_files a.out a.exe"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-echo "$as_me:1303: checking for C compiler default output" >&5
+echo "$as_me:$LINENO: 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 "$as_me:1306: \"$ac_link_default\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5
   (eval $ac_link_default) 2>&5
   ac_status=$?
-  echo "$as_me:1309: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; then
   # Find the output, starting from the most likely.  This scheme is
 # not robust to junk in `.', hence go to wildcards (a.*) only as a last
 # resort.
-for ac_file in `ls a.exe conftest.exe 2>/dev/null;
+
+# Be careful to initialize this variable, since it used to be cached.
+# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile.
+ac_cv_exeext=
+for ac_file in `ls a_out.exe a.exe conftest.exe 2>/dev/null;
                 ls a.out conftest 2>/dev/null;
                 ls a.* conftest.* 2>/dev/null`; do
   case $ac_file in
-    *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;;
+    *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb | *.xSYM ) ;;
     a.out ) # We found the default executable, but exeext='' is most
             # certainly right.
             break;;
@@ -1329,34 +1584,34 @@ done
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-{ { echo "$as_me:1332: error: C compiler cannot create executables" >&5
+{ { echo "$as_me:$LINENO: 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:1338: result: $ac_file" >&5
+echo "$as_me:$LINENO: 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 "$as_me:1343: checking whether the C compiler works" >&5
+echo "$as_me:$LINENO: 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:1349: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1352: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
     cross_compiling=no
   else
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { echo "$as_me:1359: error: cannot run C compiled programs.
+	{ { echo "$as_me:$LINENO: error: cannot run C compiled programs.
 If you meant to cross compile, use \`--host'." >&5
 echo "$as_me: error: cannot run C compiled programs.
 If you meant to cross compile, use \`--host'." >&2;}
@@ -1364,24 +1619,24 @@ If you meant to cross compile, use \`--host'." >&2;}
     fi
   fi
 fi
-echo "$as_me:1367: result: yes" >&5
+echo "$as_me:$LINENO: result: yes" >&5
 echo "${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 "$as_me:1374: checking whether we are cross compiling" >&5
+echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
 echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6
-echo "$as_me:1376: result: $cross_compiling" >&5
+echo "$as_me:$LINENO: result: $cross_compiling" >&5
 echo "${ECHO_T}$cross_compiling" >&6
 
-echo "$as_me:1379: checking for executable suffix" >&5
-echo $ECHO_N "checking for executable suffix... $ECHO_C" >&6
-if { (eval echo "$as_me:1381: \"$ac_link\"") >&5
+echo "$as_me:$LINENO: checking for suffix of executables" >&5
+echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:1384: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; then
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
@@ -1397,27 +1652,33 @@ for ac_file in `(ls conftest.exe; ls conftest; ls conftest.*) 2>/dev/null`; do
   esac
 done
 else
-  { { echo "$as_me:1400: error: cannot compute EXEEXT: cannot compile and link" >&5
-echo "$as_me: error: cannot compute EXEEXT: cannot compile and link" >&2;}
+  { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link" >&5
+echo "$as_me: error: cannot compute suffix of executables: cannot compile and link" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
 rm -f conftest$ac_cv_exeext
-echo "$as_me:1406: result: $ac_cv_exeext" >&5
+echo "$as_me:$LINENO: 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:1412: checking for object suffix" >&5
-echo $ECHO_N "checking for object suffix... $ECHO_C" >&6
+echo "$as_me:$LINENO: checking for suffix of object files" >&5
+echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6
 if test "${ac_cv_objext+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 1418 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -1427,10 +1688,10 @@ main ()
 }
 _ACEOF
 rm -f conftest.o conftest.obj
-if { (eval echo "$as_me:1430: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1433: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; then
   for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
   case $ac_file in
@@ -1442,26 +1703,32 @@ done
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-{ { echo "$as_me:1445: error: cannot compute OBJEXT: cannot compile" >&5
-echo "$as_me: error: cannot compute OBJEXT: cannot compile" >&2;}
+{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile" >&5
+echo "$as_me: error: cannot compute suffix of object files: cannot compile" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-echo "$as_me:1452: result: $ac_cv_objext" >&5
+echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
 echo "${ECHO_T}$ac_cv_objext" >&6
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-echo "$as_me:1456: checking whether we are using the GNU C compiler" >&5
+echo "$as_me:$LINENO: 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 1462 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -1474,16 +1741,16 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1477: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1480: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1483: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1486: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   ac_compiler_gnu=yes
 else
@@ -1495,21 +1762,27 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-echo "$as_me:1498: result: $ac_cv_c_compiler_gnu" >&5
+echo "$as_me:$LINENO: 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:1504: checking whether $CC accepts -g" >&5
+echo "$as_me:$LINENO: 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 1510 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -1519,16 +1792,16 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1522: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1525: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1528: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1531: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   ac_cv_prog_cc_g=yes
 else
@@ -1538,7 +1811,7 @@ ac_cv_prog_cc_g=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:1541: result: $ac_cv_prog_cc_g" >&5
+echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
 echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
@@ -1565,16 +1838,16 @@ cat >conftest.$ac_ext <<_ACEOF
 #endif
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1568: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1571: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1574: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1577: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   for ac_declaration in \
    ''\
@@ -1586,10 +1859,16 @@ if { (eval echo "$as_me:1568: \"$ac_compile\"") >&5
    'void exit (int);'
 do
   cat >conftest.$ac_ext <<_ACEOF
-#line 1589 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 $ac_declaration
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -1599,16 +1878,16 @@ exit (42);
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1602: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1605: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1608: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1611: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   :
 else
@@ -1618,9 +1897,15 @@ continue
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
   cat >conftest.$ac_ext <<_ACEOF
-#line 1621 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 $ac_declaration
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -1630,16 +1915,16 @@ exit (42);
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1633: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1636: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1639: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1642: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   break
 else
@@ -1676,7 +1961,7 @@ if test -n "$ac_tool_prefix"; then
   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:1679: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -1684,25 +1969,28 @@ else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
-echo "$as_me:1694: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
-  echo "$as_me:1702: result: $CXX" >&5
+  echo "$as_me:$LINENO: result: $CXX" >&5
 echo "${ECHO_T}$CXX" >&6
 else
-  echo "$as_me:1705: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1715,7 +2003,7 @@ if test -z "$CXX"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:1718: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -1723,25 +2011,28 @@ else
   if test -n "$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:1733: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CXX="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
-  echo "$as_me:1741: result: $ac_ct_CXX" >&5
+  echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5
 echo "${ECHO_T}$ac_ct_CXX" >&6
 else
-  echo "$as_me:1744: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1752,35 +2043,42 @@ test -n "$ac_ct_CXX" || ac_ct_CXX="g++"
   CXX=$ac_ct_CXX
 fi
 
+
 # Provide some information about the compiler.
-echo "$as_me:1756:" \
+echo "$as_me:$LINENO:" \
      "checking for C++ compiler version" >&5
 ac_compiler=`set X $ac_compile; echo $2`
-{ (eval echo "$as_me:1759: \"$ac_compiler --version </dev/null >&5\"") >&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
   (eval $ac_compiler --version </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1762: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
-{ (eval echo "$as_me:1764: \"$ac_compiler -v </dev/null >&5\"") >&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
   (eval $ac_compiler -v </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1767: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
-{ (eval echo "$as_me:1769: \"$ac_compiler -V </dev/null >&5\"") >&5
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
   (eval $ac_compiler -V </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1772: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }
 
-echo "$as_me:1775: checking whether we are using the GNU C++ compiler" >&5
+echo "$as_me:$LINENO: 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 1781 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -1793,16 +2091,16 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1796: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1799: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1802: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1805: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   ac_compiler_gnu=yes
 else
@@ -1814,21 +2112,27 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
 
 fi
-echo "$as_me:1817: result: $ac_cv_cxx_compiler_gnu" >&5
+echo "$as_me:$LINENO: 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:1823: checking whether $CXX accepts -g" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 1829 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -1838,16 +2142,16 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1841: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1844: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1847: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1850: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   ac_cv_prog_cxx_g=yes
 else
@@ -1857,7 +2161,7 @@ ac_cv_prog_cxx_g=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:1860: result: $ac_cv_prog_cxx_g" >&5
+echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5
 echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6
 if test "$ac_test_CXXFLAGS" = set; then
   CXXFLAGS=$ac_save_CXXFLAGS
@@ -1884,10 +2188,16 @@ for ac_declaration in \
    'void exit (int);'
 do
   cat >conftest.$ac_ext <<_ACEOF
-#line 1887 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 $ac_declaration
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -1897,16 +2207,16 @@ exit (42);
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1900: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1903: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1906: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1909: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   :
 else
@@ -1916,9 +2226,15 @@ continue
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
   cat >conftest.$ac_ext <<_ACEOF
-#line 1919 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 $ac_declaration
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -1928,16 +2244,16 @@ exit (42);
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1931: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1934: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1937: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1940: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   break
 else
@@ -1959,6 +2275,8 @@ ac_compile='$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'
@@ -1966,50 +2284,51 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 if test "$cross_compiling" = no; then
-	echo "$as_me:1969: checking that C++ compiler can compile simple program" >&5
+	echo "$as_me:$LINENO: 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 <<_ACEOF
-#line 1976 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 int main() { return 0; }
 _ACEOF
 rm -f conftest$ac_exeext
-if { (eval echo "$as_me:1981: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:1984: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:1986: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1989: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:1991: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:1997: result: no" >&5
-echo "${ECHO_T}no" >&6;{ { echo "$as_me:1998: error: a working C++ compiler is required" >&5
+( exit $ac_status )
+echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6;{ { echo "$as_me:$LINENO: 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.$ac_objext conftest.$ac_ext
 fi
 if test "$cross_compiling" = no; then
-	echo "$as_me:2005: checking that C++ static constructors and destructors are called" >&5
+	echo "$as_me:$LINENO: 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 <<_ACEOF
-#line 2012 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
 extern "C" {
@@ -2026,35 +2345,42 @@ int main() { return 1; }
 
 _ACEOF
 rm -f conftest$ac_exeext
-if { (eval echo "$as_me:2029: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:2032: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:2034: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:2037: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:2039: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:2045: result: no" >&5
-echo "${ECHO_T}no" >&6;{ { echo "$as_me:2046: error: a working C++ compiler is required" >&5
+( exit $ac_status )
+echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6;{ { echo "$as_me:$LINENO: 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.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:2052: checking that header files support C++" >&5
+echo "$as_me:$LINENO: 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 2055 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <stdio.h>
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -2064,24 +2390,24 @@ fopen(0, 0);
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:2067: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:2070: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:2073: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:2076: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:2078: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:2083: result: no" >&5
-echo "${ECHO_T}no" >&6;{ { echo "$as_me:2084: 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 "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6;{ { echo "$as_me:$LINENO: error: header files do not support C++ (if you are using a version of gcc/g++ earlier than 2.5, you should install libg++)" >&5
 echo "$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
@@ -2092,12 +2418,19 @@ 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 "$as_me:2095: checking whether character set is EBCDIC" >&5
+
+echo "$as_me:$LINENO: 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 2098 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -2112,25 +2445,25 @@ make an error "Character set is not EBCDIC"
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:2115: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:2118: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:2121: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:2124: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   groff_cv_ebcdic="yes"
  TTYDEVDIRS="font/devcp1047"
- echo "$as_me:2128: result: yes" >&5
+ echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define IS_EBCDIC_HOST 1
-EOF
+_ACEOF
 
 else
   echo "$as_me: failed program was:" >&5
@@ -2138,21 +2471,22 @@ cat conftest.$ac_ext >&5
 groff_cv_ebcdic="no"
  TTYDEVDIRS="font/devascii font/devlatin1"
  OTHERDEVDIRS="font/devlj4 font/devlbp"
- echo "$as_me:2141: result: no" >&5
+ echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 
+
 if test "$groff_cv_ebcdic" = "yes"; then
-	echo "$as_me:2147: checking for OS/390 Unix" >&5
+	echo "$as_me:$LINENO: 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"
-		echo "$as_me:2152: result: yes" >&5
+		echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6 ;;
 	*)
-		echo "$as_me:2155: result: no" >&5
+		echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6 ;;
 	esac
 fi
@@ -2161,7 +2495,7 @@ if test -z "$PSPRINT"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:2164: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -2169,25 +2503,28 @@ else
   if test -n "$LPR"; then
   ac_cv_prog_LPR="$LPR" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_LPR="$ac_prog"
-echo "$as_me:2179: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_LPR="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 LPR=$ac_cv_prog_LPR
 if test -n "$LPR"; then
-  echo "$as_me:2187: result: $LPR" >&5
+  echo "$as_me:$LINENO: result: $LPR" >&5
 echo "${ECHO_T}$LPR" >&6
 else
-  echo "$as_me:2190: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2198,7 +2535,7 @@ done
 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:2201: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -2206,25 +2543,28 @@ else
   if test -n "$LP"; then
   ac_cv_prog_LP="$LP" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_LP="$ac_prog"
-echo "$as_me:2216: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_LP="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 LP=$ac_cv_prog_LP
 if test -n "$LP"; then
-  echo "$as_me:2224: result: $LP" >&5
+  echo "$as_me:$LINENO: result: $LP" >&5
 echo "${ECHO_T}$LP" >&6
 else
-  echo "$as_me:2227: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2239,7 +2579,7 @@ done
 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:2242: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -2247,25 +2587,28 @@ else
   if test -n "$LPQ"; then
   ac_cv_prog_LPQ="$LPQ" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_LPQ="$ac_prog"
-echo "$as_me:2257: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_LPQ="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 LPQ=$ac_cv_prog_LPQ
 if test -n "$LPQ"; then
-  echo "$as_me:2265: result: $LPQ" >&5
+  echo "$as_me:$LINENO: result: $LPQ" >&5
 echo "${ECHO_T}$LPQ" >&6
 else
-  echo "$as_me:2268: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2281,12 +2624,12 @@ done
 	fi
 fi
 
-echo "$as_me:2284: checking for command to use for printing PostScript files" >&5
+echo "$as_me:$LINENO: 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:2286: result: $PSPRINT" >&5
+echo "$as_me:$LINENO: result: $PSPRINT" >&5
 echo "${ECHO_T}$PSPRINT" >&6
 # Figure out DVIPRINT from PSPRINT.
-echo "$as_me:2289: checking for command to use for printing dvi files" >&5
+echo "$as_me:$LINENO: 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
@@ -2296,11 +2639,11 @@ if test -n "$PSPRINT" && test -z "$DVIPRINT"; then
 	fi
 fi
 
-echo "$as_me:2299: result: $DVIPRINT" >&5
+echo "$as_me:$LINENO: 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=$2
-echo "$as_me:2303: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -2310,16 +2653,18 @@ else
   ac_cv_path_PERLPATH="$PERLPATH" # Let the user override the test with a path.
   ;;
   *)
-  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:2320: found $ac_dir/$ac_word" >&5
-   break
-fi
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_PERLPATH="$as_dir/$ac_word$ac_exec_ext"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
   test -z "$ac_cv_path_PERLPATH" && ac_cv_path_PERLPATH="/usr/bin/perl"
@@ -2329,10 +2674,10 @@ fi
 PERLPATH=$ac_cv_path_PERLPATH
 
 if test -n "$PERLPATH"; then
-  echo "$as_me:2332: result: $PERLPATH" >&5
+  echo "$as_me:$LINENO: result: $PERLPATH" >&5
 echo "${ECHO_T}$PERLPATH" >&6
 else
-  echo "$as_me:2335: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2340,7 +2685,7 @@ for ac_prog in byacc 'bison -y'
 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:2343: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -2348,25 +2693,28 @@ else
   if test -n "$YACC"; then
   ac_cv_prog_YACC="$YACC" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_YACC="$ac_prog"
-echo "$as_me:2358: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_YACC="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 YACC=$ac_cv_prog_YACC
 if test -n "$YACC"; then
-  echo "$as_me:2366: result: $YACC" >&5
+  echo "$as_me:$LINENO: result: $YACC" >&5
 echo "${ECHO_T}$YACC" >&6
 else
-  echo "$as_me:2369: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2377,7 +2725,7 @@ test -n "$YACC" || YACC="yacc"
 if test -n "$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:2380: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -2385,25 +2733,28 @@ else
   if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
-echo "$as_me:2395: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
-  echo "$as_me:2403: result: $RANLIB" >&5
+  echo "$as_me:$LINENO: result: $RANLIB" >&5
 echo "${ECHO_T}$RANLIB" >&6
 else
-  echo "$as_me:2406: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2412,7 +2763,7 @@ 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:2415: checking for $ac_word" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -2420,15 +2771,18 @@ else
   if test -n "$ac_ct_RANLIB"; then
   ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_ac_ct_RANLIB="ranlib"
-echo "$as_me:2430: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_RANLIB="ranlib"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
   test -z "$ac_cv_prog_ac_ct_RANLIB" && ac_cv_prog_ac_ct_RANLIB=":"
@@ -2436,10 +2790,10 @@ fi
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
-  echo "$as_me:2439: result: $ac_ct_RANLIB" >&5
+  echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
 echo "${ECHO_T}$ac_ct_RANLIB" >&6
 else
-  echo "$as_me:2442: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2465,7 +2819,7 @@ for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
   fi
 done
 if test -z "$ac_aux_dir"; then
-  { { echo "$as_me:2468: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5
+  { { echo "$as_me:$LINENO: 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/.. $srcdir/../.." >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -2479,7 +2833,7 @@ for ac_prog in install-info
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:2482: checking for $ac_word" >&5
+echo "$as_me:$LINENO: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_INSTALL_INFO+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2487,25 +2841,28 @@ else
   if test -n "$INSTALL_INFO"; then
   ac_cv_prog_INSTALL_INFO="$INSTALL_INFO" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_INSTALL_INFO="$ac_prog"
-echo "$as_me:2497: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_INSTALL_INFO="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
 fi
 fi
 INSTALL_INFO=$ac_cv_prog_INSTALL_INFO
 if test -n "$INSTALL_INFO"; then
-  echo "$as_me:2505: result: $INSTALL_INFO" >&5
+  echo "$as_me:$LINENO: result: $INSTALL_INFO" >&5
 echo "${ECHO_T}$INSTALL_INFO" >&6
 else
-  echo "$as_me:2508: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2525,43 +2882,48 @@ test -n "$INSTALL_INFO" || INSTALL_INFO=":"
 # AFS /usr/afsws/bin/install, which mishandles nonexistent args
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
-echo "$as_me:2528: checking for a BSD compatible install" >&5
-echo $ECHO_N "checking for a BSD compatible install... $ECHO_C" >&6
+echo "$as_me:$LINENO: 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 test "${ac_cv_path_install+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-    ac_save_IFS=$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
-    / | ./ | .// | /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 $as_executable_p "$ac_dir/$ac_prog"; then
-	  if test $ac_prog = install &&
-            grep dspmsg "$ac_dir/$ac_prog" >/dev/null 2>&1; then
-	    # AIX install.  It has an incompatible calling convention.
-	    :
-	  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/$ac_prog -c"
-	    break 2
-	  fi
-	fi
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  # Account for people who put trailing slashes in PATH elements.
+case $as_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
+      for ac_exec_ext in '' $ac_executable_extensions; do
+        if $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
+          if test $ac_prog = install &&
+            grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+            # AIX install.  It has an incompatible calling convention.
+            :
+          elif test $ac_prog = install &&
+            grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+            # program-specific install script used by HP pwplus--don't use.
+            :
+          else
+            ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+            break 3
+          fi
+        fi
       done
-      ;;
-    esac
-  done
+    done
+    ;;
+esac
+done
+
 
 fi
   if test "${ac_cv_path_install+set}" = set; then
@@ -2574,7 +2936,7 @@ fi
     INSTALL=$ac_install_sh
   fi
 fi
-echo "$as_me:2577: result: $INSTALL" >&5
+echo "$as_me:$LINENO: result: $INSTALL" >&5
 echo "${ECHO_T}$INSTALL" >&6
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
@@ -2585,18 +2947,18 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
-echo "$as_me:2588: checking whether ln -s works" >&5
+echo "$as_me:$LINENO: 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:2592: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
-  echo "$as_me:2595: result: no, using $LN_S" >&5
+  echo "$as_me:$LINENO: result: no, using $LN_S" >&5
 echo "${ECHO_T}no, using $LN_S" >&6
 fi
 
-echo "$as_me:2599: checking for csh hash hack" >&5
+echo "$as_me:$LINENO: checking for csh hash hack" >&5
 echo $ECHO_N "checking for csh hash hack... $ECHO_C" >&6
 cat <<EOF >conftest.sh
 #!/bin/sh
@@ -2606,10 +2968,10 @@ exit 1
 EOF
 chmod +x conftest.sh
 if echo ./conftest.sh | (csh >/dev/null 2>&1) >/dev/null 2>&1; then
-	echo "$as_me:2609: result: yes" >&5
+	echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6; SH_SCRIPT_SED_CMD='1s/.*/:/'
 else
-	echo "$as_me:2612: result: no" >&5
+	echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6; SH_SCRIPT_SED_CMD='1s/a/a/'
 fi
 rm -f conftest.sh
@@ -2619,7 +2981,7 @@ ac_cpp='$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 "$as_me:2622: checking how to run the C preprocessor" >&5
+echo "$as_me:$LINENO: 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 "$CPP"; then
@@ -2640,18 +3002,18 @@ do
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
   cat >conftest.$ac_ext <<_ACEOF
-#line 2643 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <assert.h>
                      Syntax error
 _ACEOF
-if { (eval echo "$as_me:2648: \"$ac_cpp conftest.$ac_ext\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$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:2654: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
@@ -2674,17 +3036,17 @@ 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 2677 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <ac_nonexistent.h>
 _ACEOF
-if { (eval echo "$as_me:2681: \"$ac_cpp conftest.$ac_ext\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$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:2687: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
@@ -2721,7 +3083,7 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-echo "$as_me:2724: result: $CPP" >&5
+echo "$as_me:$LINENO: result: $CPP" >&5
 echo "${ECHO_T}$CPP" >&6
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
@@ -2731,18 +3093,18 @@ do
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
   cat >conftest.$ac_ext <<_ACEOF
-#line 2734 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <assert.h>
                      Syntax error
 _ACEOF
-if { (eval echo "$as_me:2739: \"$ac_cpp conftest.$ac_ext\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$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:2745: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
@@ -2765,17 +3127,17 @@ 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 2768 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <ac_nonexistent.h>
 _ACEOF
-if { (eval echo "$as_me:2772: \"$ac_cpp conftest.$ac_ext\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$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:2778: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
@@ -2803,7 +3165,7 @@ rm -f conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then
   :
 else
-  { { echo "$as_me:2806: error: C preprocessor \"$CPP\" fails sanity check" >&5
+  { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check" >&5
 echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -2814,27 +3176,273 @@ 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 "$as_me:$LINENO: checking for ANSI C header files" >&5
+echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
+if test "${ac_cv_header_stdc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$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:$LINENO: \$? = $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 "$ac_cpp_err"; then
+  ac_cv_header_stdc=yes
+else
+  echo "$as_me: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  ac_cv_header_stdc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "memchr" >/dev/null 2>&1; then
+  :
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+  cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "free" >/dev/null 2>&1; then
+  :
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then
+  :
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+#include <ctype.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
+                     || ('j' <= (c) && (c) <= 'r') \
+                     || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+        || toupper (i) != TOUPPER (i))
+      exit(2);
+  exit (0);
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  :
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+( exit $ac_status )
+ac_cv_header_stdc=no
+fi
+rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+fi
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+echo "${ECHO_T}$ac_cv_header_stdc" >&6
+if test $ac_cv_header_stdc = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define STDC_HEADERS 1
+_ACEOF
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+
+
+
+
+
+
+
+
+
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+                  inttypes.h stdint.h unistd.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+$ac_includes_default
+
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_Header=yes"
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+eval "$as_ac_Header=no"
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+
+
+
+
+
+
+
+
+
+
 for ac_header in stdlib.h unistd.h dirent.h limits.h sys/dir.h \
                  string.h strings.h math.h stdint.h sys/time.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:2821: checking for $ac_header" >&5
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo "$as_me:$LINENO: checking for $ac_header" >&5
 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 2827 "configure"
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_header_compiler=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <$ac_header>
 _ACEOF
-if { (eval echo "$as_me:2831: \"$ac_cpp conftest.$ac_ext\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$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:2837: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
@@ -2845,40 +3453,67 @@ else
   ac_cpp_err=yes
 fi
 if test -z "$ac_cpp_err"; then
-  eval "$as_ac_Header=yes"
+  ac_header_preproc=yes
 else
   echo "$as_me: failed program was:" >&5
   cat conftest.$ac_ext >&5
-  eval "$as_ac_Header=no"
+  ac_header_preproc=no
 fi
 rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc in
+  yes:no )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;};;
+  no:yes )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;};;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=$ac_header_preproc"
 fi
-echo "$as_me:2856: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
 if test `eval echo '${'$as_ac_Header'}'` = yes; then
-  cat >>confdefs.h <<EOF
+  cat >>confdefs.h <<_ACEOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
-EOF
+_ACEOF
 
 fi
+
 done
 
-echo "$as_me:2866: checking for ISC 3.x or 4.x" >&5
+echo "$as_me:$LINENO: checking for ISC 3.x or 4.x" >&5
 echo $ECHO_N "checking for ISC 3.x or 4.x... $ECHO_C" >&6
 if grep '[34]\.' /usr/options/cb.name >/dev/null 2>&1
 then
-	echo "$as_me:2870: result: yes" >&5
+	echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define _SYSV3 1
-EOF
+_ACEOF
 
 else
-	echo "$as_me:2878: result: no" >&5
+	echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
-echo "$as_me:2881: checking whether -D_POSIX_SOURCE is necessary" >&5
+echo "$as_me:$LINENO: checking whether -D_POSIX_SOURCE is necessary" >&5
 echo $ECHO_N "checking whether -D_POSIX_SOURCE is necessary... $ECHO_C" >&6
 ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -2887,10 +3522,16 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 cat >conftest.$ac_ext <<_ACEOF
-#line 2890 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <stdio.h>
 extern "C" { void fileno(int); }
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -2900,27 +3541,27 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:2903: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:2906: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:2909: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:2912: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:2914: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define _POSIX_SOURCE 1
-EOF
+_ACEOF
 
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:2923: result: no" >&5
+echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -2936,13 +3577,19 @@ 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 "$as_me:2939: checking for return type of srand" >&5
+echo "$as_me:$LINENO: 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 2942 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 extern "C" { void srand(unsigned int); }
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -2952,27 +3599,27 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:2955: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:2958: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:2961: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:2964: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:2966: result: void" >&5
+  echo "$as_me:$LINENO: result: void" >&5
 echo "${ECHO_T}void" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define RET_TYPE_SRAND_IS_VOID 1
-EOF
+_ACEOF
 
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:2975: result: int" >&5
+echo "$as_me:$LINENO: result: int" >&5
 echo "${ECHO_T}int" >&6
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -2982,7 +3629,7 @@ 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 "$as_me:2985: checking whether gettimeofday must be declared" >&5
+echo "$as_me:$LINENO: checking whether gettimeofday must be declared" >&5
 echo $ECHO_N "checking whether gettimeofday must be declared... $ECHO_C" >&6
 ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -2994,7 +3641,7 @@ if test "${groff_cv_decl_needed_gettimeofday+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 2997 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -3016,6 +3663,12 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3027,16 +3680,16 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3030: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3033: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3036: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3039: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   groff_cv_decl_needed_gettimeofday=no
 else
@@ -3047,13 +3700,13 @@ fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:3050: result: $groff_cv_decl_needed_gettimeofday" >&5
+echo "$as_me:$LINENO: result: $groff_cv_decl_needed_gettimeofday" >&5
 echo "${ECHO_T}$groff_cv_decl_needed_gettimeofday" >&6
 if test $groff_cv_decl_needed_gettimeofday = yes; then
 
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define NEED_DECLARATION_GETTIMEOFDAY 1
-EOF
+_ACEOF
 
 fi
 ac_ext=c
@@ -3062,7 +3715,7 @@ 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 "$as_me:3065: checking whether hypot must be declared" >&5
+echo "$as_me:$LINENO: checking whether hypot must be declared" >&5
 echo $ECHO_N "checking whether hypot must be declared... $ECHO_C" >&6
 ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -3074,7 +3727,7 @@ if test "${groff_cv_decl_needed_hypot+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 3077 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -3096,6 +3749,12 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3107,16 +3766,16 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3110: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3113: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3116: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3119: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   groff_cv_decl_needed_hypot=no
 else
@@ -3127,13 +3786,13 @@ fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:3130: result: $groff_cv_decl_needed_hypot" >&5
+echo "$as_me:$LINENO: 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 <<\_ACEOF
 #define NEED_DECLARATION_HYPOT 1
-EOF
+_ACEOF
 
 fi
 ac_ext=c
@@ -3142,7 +3801,7 @@ 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 "$as_me:3145: checking whether popen must be declared" >&5
+echo "$as_me:$LINENO: checking whether popen must be declared" >&5
 echo $ECHO_N "checking whether popen must be declared... $ECHO_C" >&6
 ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -3154,7 +3813,7 @@ if test "${groff_cv_decl_needed_popen+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 3157 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -3176,6 +3835,12 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3187,16 +3852,16 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3190: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3193: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3196: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3199: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   groff_cv_decl_needed_popen=no
 else
@@ -3207,13 +3872,13 @@ fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:3210: result: $groff_cv_decl_needed_popen" >&5
+echo "$as_me:$LINENO: 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 <<\_ACEOF
 #define NEED_DECLARATION_POPEN 1
-EOF
+_ACEOF
 
 fi
 ac_ext=c
@@ -3222,7 +3887,7 @@ 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 "$as_me:3225: checking whether pclose must be declared" >&5
+echo "$as_me:$LINENO: checking whether pclose must be declared" >&5
 echo $ECHO_N "checking whether pclose must be declared... $ECHO_C" >&6
 ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -3234,7 +3899,7 @@ if test "${groff_cv_decl_needed_pclose+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 3237 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -3256,6 +3921,12 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3267,16 +3938,16 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3270: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3273: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3276: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3279: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   groff_cv_decl_needed_pclose=no
 else
@@ -3287,13 +3958,13 @@ fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:3290: result: $groff_cv_decl_needed_pclose" >&5
+echo "$as_me:$LINENO: 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 <<\_ACEOF
 #define NEED_DECLARATION_PCLOSE 1
-EOF
+_ACEOF
 
 fi
 ac_ext=c
@@ -3302,7 +3973,7 @@ 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 "$as_me:3305: checking whether putenv must be declared" >&5
+echo "$as_me:$LINENO: checking whether putenv must be declared" >&5
 echo $ECHO_N "checking whether putenv must be declared... $ECHO_C" >&6
 ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -3314,7 +3985,7 @@ if test "${groff_cv_decl_needed_putenv+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 3317 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -3336,6 +4007,12 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3347,16 +4024,16 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3350: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3353: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3356: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3359: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   groff_cv_decl_needed_putenv=no
 else
@@ -3367,13 +4044,13 @@ fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:3370: result: $groff_cv_decl_needed_putenv" >&5
+echo "$as_me:$LINENO: 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 <<\_ACEOF
 #define NEED_DECLARATION_PUTENV 1
-EOF
+_ACEOF
 
 fi
 ac_ext=c
@@ -3382,7 +4059,7 @@ 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 "$as_me:3385: checking whether strcasecmp must be declared" >&5
+echo "$as_me:$LINENO: checking whether strcasecmp must be declared" >&5
 echo $ECHO_N "checking whether strcasecmp must be declared... $ECHO_C" >&6
 ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -3394,7 +4071,7 @@ if test "${groff_cv_decl_needed_strcasecmp+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 3397 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -3416,6 +4093,12 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3427,16 +4110,16 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3430: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3433: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3436: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3439: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   groff_cv_decl_needed_strcasecmp=no
 else
@@ -3447,13 +4130,13 @@ fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:3450: result: $groff_cv_decl_needed_strcasecmp" >&5
+echo "$as_me:$LINENO: result: $groff_cv_decl_needed_strcasecmp" >&5
 echo "${ECHO_T}$groff_cv_decl_needed_strcasecmp" >&6
 if test $groff_cv_decl_needed_strcasecmp = yes; then
 
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define NEED_DECLARATION_STRCASECMP 1
-EOF
+_ACEOF
 
 fi
 ac_ext=c
@@ -3462,7 +4145,7 @@ 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 "$as_me:3465: checking whether strncasecmp must be declared" >&5
+echo "$as_me:$LINENO: checking whether strncasecmp must be declared" >&5
 echo $ECHO_N "checking whether strncasecmp must be declared... $ECHO_C" >&6
 ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -3474,7 +4157,7 @@ if test "${groff_cv_decl_needed_strncasecmp+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 3477 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -3496,6 +4179,12 @@ else
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3507,16 +4196,16 @@ main ()
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3510: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3513: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3516: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3519: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   groff_cv_decl_needed_strncasecmp=no
 else
@@ -3527,13 +4216,13 @@ fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 
-echo "$as_me:3530: result: $groff_cv_decl_needed_strncasecmp" >&5
+echo "$as_me:$LINENO: 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 <<\_ACEOF
 #define NEED_DECLARATION_STRNCASECMP 1
-EOF
+_ACEOF
 
 fi
 ac_ext=c
@@ -3548,13 +4237,19 @@ 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 "$as_me:3551: checking for sys_nerr in <errno.h> or <stdio.h>" >&5
+echo "$as_me:$LINENO: 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 3554 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <errno.h>
 #include <stdio.h>
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3564,27 +4259,27 @@ int k; k = sys_nerr;
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3567: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3570: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3573: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3576: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:3578: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define HAVE_SYS_NERR 1
-EOF
+_ACEOF
 
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:3587: result: no" >&5
+echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -3594,13 +4289,19 @@ 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 "$as_me:3597: checking for sys_errlist in <errno.h> or <stdio.h>" >&5
+echo "$as_me:$LINENO: 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 3600 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <errno.h>
 #include <stdio.h>
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3610,27 +4311,27 @@ int k; k = (int)sys_errlist[0];
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3613: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3616: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3619: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3622: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:3624: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define HAVE_SYS_ERRLIST 1
-EOF
+_ACEOF
 
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:3633: result: no" >&5
+echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -3640,12 +4341,18 @@ 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 "$as_me:3643: checking C++ <osfcn.h>" >&5
+echo "$as_me:$LINENO: checking C++ <osfcn.h>" >&5
 echo $ECHO_N "checking C++ <osfcn.h>... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line 3646 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <osfcn.h>
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3655,27 +4362,27 @@ read(0, 0, 0); open(0, 0);
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3658: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3661: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3664: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3667: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:3669: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define HAVE_CC_OSFCN_H 1
-EOF
+_ACEOF
 
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:3678: result: no" >&5
+echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -3691,12 +4398,18 @@ 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 "$as_me:3694: checking C++ <limits.h>" >&5
+echo "$as_me:$LINENO: checking C++ <limits.h>" >&5
 echo $ECHO_N "checking C++ <limits.h>... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line 3697 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <limits.h>
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3706,27 +4419,27 @@ int x = INT_MIN; int y = INT_MAX; int z = UCHAR_MAX;
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3709: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3712: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3715: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3718: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:3720: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define HAVE_CC_LIMITS_H 1
-EOF
+_ACEOF
 
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:3729: result: no" >&5
+echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -3742,13 +4455,19 @@ 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 "$as_me:3745: checking for inttypes.h" >&5
+echo "$as_me:$LINENO: checking for inttypes.h" >&5
 echo $ECHO_N "checking for inttypes.h... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line 3748 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <inttypes.h>
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3758,16 +4477,16 @@ uintmax_t i = (uintmax_t)-1;
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3761: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3764: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3767: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3770: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   groff_cv_header_inttypes_h=yes
 else
@@ -3776,7 +4495,7 @@ cat conftest.$ac_ext >&5
 groff_cv_header_inttypes_h=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:3779: result: $groff_cv_header_inttypes_h" >&5
+echo "$as_me:$LINENO: result: $groff_cv_header_inttypes_h" >&5
 echo "${ECHO_T}$groff_cv_header_inttypes_h" >&6
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -3790,12 +4509,18 @@ ac_compile='$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 "$as_me:3793: checking for unsigned long long" >&5
+echo "$as_me:$LINENO: checking for unsigned long long" >&5
 echo $ECHO_N "checking for unsigned long long... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line 3796 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 unsigned long long ull = 1; int i = 63;
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3806,16 +4531,16 @@ return ull << i | ull >> i | ullmax / ull | ullmax % ull;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:3809: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:3812: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:3815: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3818: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   groff_cv_type_unsigned_long_long=yes
 else
@@ -3824,7 +4549,7 @@ cat conftest.$ac_ext >&5
 groff_cv_type_unsigned_long_long=no
 fi
 rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-echo "$as_me:3827: result: $groff_cv_type_unsigned_long_long" >&5
+echo "$as_me:$LINENO: result: $groff_cv_type_unsigned_long_long" >&5
 echo "${ECHO_T}$groff_cv_type_unsigned_long_long" >&6
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -3832,15 +4557,16 @@ ac_compile='$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 $groff_cv_header_inttypes_h = no; then
 
 	test $groff_cv_type_unsigned_long_long = yes \
 	  && ac_type='unsigned long long' \
 	  || ac_type='unsigned long'
 
-cat >>confdefs.h <<EOF
+cat >>confdefs.h <<_ACEOF
 #define uintmax_t $ac_type
-EOF
+_ACEOF
 
 fi
 ac_ext=cc
@@ -3849,12 +4575,18 @@ 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 "$as_me:3852: checking for declaration of time_t" >&5
+echo "$as_me:$LINENO: 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 3855 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <time.h>
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3864,27 +4596,27 @@ time_t t = time(0); struct tm *p = localtime(&t);
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3867: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3870: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3873: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3876: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:3878: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:3883: result: no" >&5
+echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define LONG_FOR_TIME_T 1
-EOF
+_ACEOF
 
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -3894,13 +4626,13 @@ 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 "$as_me:3897: checking return type of signal handlers" >&5
+echo "$as_me:$LINENO: 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 <<_ACEOF
-#line 3903 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -3913,6 +4645,12 @@ extern "C" void (*signal (int, void (*)(int)))(int);
 void (*signal ()) ();
 #endif
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3922,16 +4660,16 @@ int i;
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3925: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3928: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3931: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3934: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   ac_cv_type_signal=void
 else
@@ -3941,19 +4679,26 @@ ac_cv_type_signal=int
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:3944: result: $ac_cv_type_signal" >&5
+echo "$as_me:$LINENO: result: $ac_cv_type_signal" >&5
 echo "${ECHO_T}$ac_cv_type_signal" >&6
 
-cat >>confdefs.h <<EOF
+cat >>confdefs.h <<_ACEOF
 #define RETSIGTYPE $ac_cv_type_signal
-EOF
+_ACEOF
 
-echo "$as_me:3951: checking struct exception" >&5
+
+echo "$as_me:$LINENO: checking struct exception" >&5
 echo $ECHO_N "checking struct exception... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line 3954 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <math.h>
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -3963,31 +4708,31 @@ struct exception e;
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3966: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3969: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3972: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3975: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:3977: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define HAVE_STRUCT_EXCEPTION 1
-EOF
+_ACEOF
 
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:3986: result: no" >&5
+echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:3990: checking for sin in -lm" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -3995,7 +4740,7 @@ else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lm  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
-#line 3998 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -4005,6 +4750,12 @@ extern "C"
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
 char sin ();
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -4014,16 +4765,16 @@ sin ();
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:4017: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4020: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:4023: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4026: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   ac_cv_lib_m_sin=yes
 else
@@ -4034,217 +4785,73 @@ fi
 rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:4037: result: $ac_cv_lib_m_sin" >&5
+echo "$as_me:$LINENO: 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
 fi
 
-echo "$as_me:4043: checking for ANSI C header files" >&5
-echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
-if test "${ac_cv_header_stdc+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 4049 "configure"
-#include "confdefs.h"
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-_ACEOF
-if { (eval echo "$as_me:4057: \"$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:4063: \$? = $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 "$ac_cpp_err"; then
-  ac_cv_header_stdc=yes
-else
-  echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  ac_cv_header_stdc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 4085 "configure"
-#include "confdefs.h"
-#include <string.h>
 
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  egrep "memchr" >/dev/null 2>&1; then
-  :
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
 
-fi
 
-if test $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 4103 "configure"
-#include "confdefs.h"
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  egrep "free" >/dev/null 2>&1; then
-  :
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then
-  :
-else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 4124 "configure"
-#include "confdefs.h"
-#include <ctype.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
-                     || ('j' <= (c) && (c) <= 'r') \
-                     || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
-  int i;
-  for (i = 0; i < 256; i++)
-    if (XOR (islower (i), ISLOWER (i))
-        || toupper (i) != TOUPPER (i))
-      exit(2);
-  exit (0);
-}
-_ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:4150: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:4153: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:4155: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:4158: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-ac_cv_header_stdc=no
-fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-fi
-fi
-echo "$as_me:4171: result: $ac_cv_header_stdc" >&5
-echo "${ECHO_T}$ac_cv_header_stdc" >&6
-if test $ac_cv_header_stdc = yes; then
-
-cat >>confdefs.h <<\EOF
-#define STDC_HEADERS 1
-EOF
-
-fi
-
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-                  inttypes.h stdint.h unistd.h
+for ac_header in stdlib.h unistd.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:4187: checking for $ac_header" >&5
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo "$as_me:$LINENO: checking for $ac_header" >&5
 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 4193 "configure"
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
 #include "confdefs.h"
 $ac_includes_default
 #include <$ac_header>
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4199: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4202: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4205: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4208: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  eval "$as_ac_Header=yes"
+  ac_header_compiler=yes
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-eval "$as_ac_Header=no"
+ac_header_compiler=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
-fi
-echo "$as_me:4218: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
-  cat >>confdefs.h <<EOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
-EOF
-
-fi
-done
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
 
-for ac_header in stdlib.h unistd.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:4231: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 4237 "configure"
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <$ac_header>
 _ACEOF
-if { (eval echo "$as_me:4241: \"$ac_cpp conftest.$ac_ext\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$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:4247: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
@@ -4255,34 +4862,62 @@ else
   ac_cpp_err=yes
 fi
 if test -z "$ac_cpp_err"; then
-  eval "$as_ac_Header=yes"
+  ac_header_preproc=yes
 else
   echo "$as_me: failed program was:" >&5
   cat conftest.$ac_ext >&5
-  eval "$as_ac_Header=no"
+  ac_header_preproc=no
 fi
 rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc in
+  yes:no )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;};;
+  no:yes )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;};;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=$ac_header_preproc"
 fi
-echo "$as_me:4266: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
 if test `eval echo '${'$as_ac_Header'}'` = yes; then
-  cat >>confdefs.h <<EOF
+  cat >>confdefs.h <<_ACEOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
-EOF
+_ACEOF
 
 fi
+
 done
 
+
 for ac_func in getpagesize
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:4279: checking for $ac_func" >&5
+echo "$as_me:$LINENO: checking for $ac_func" >&5
 echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
 if eval "test \"\${$as_ac_var+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 4285 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func (); below.  */
@@ -4296,6 +4931,12 @@ extern "C"
 char $ac_func ();
 char (*f) ();
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -4313,16 +4954,16 @@ f = $ac_func;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:4316: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4319: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:4322: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4325: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   eval "$as_ac_var=yes"
 else
@@ -4332,17 +4973,17 @@ eval "$as_ac_var=no"
 fi
 rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 fi
-echo "$as_me:4335: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
 echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
 if test `eval echo '${'$as_ac_var'}'` = yes; then
-  cat >>confdefs.h <<EOF
+  cat >>confdefs.h <<_ACEOF
 #define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-EOF
+_ACEOF
 
 fi
 done
 
-echo "$as_me:4345: checking for working mmap" >&5
+echo "$as_me:$LINENO: 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) $ECHO_C" >&6
@@ -4351,9 +4992,12 @@ else
   ac_cv_func_mmap_fixed_mapped=no
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 4354 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 $ac_includes_default
+/* malloc might have been renamed as rpl_malloc. */
+#undef malloc
+
 /* Thanks to Mike Haertel and Jim Avera for this test.
    Here is a matrix of mmap possibilities:
 	mmap private not fixed
@@ -4369,7 +5013,7 @@ $ac_includes_default
    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.
+   propagated back to all the places they're supposed to be.
 
    Grep wants private fixed already mapped.
    The main things grep needs to know about mmap are:
@@ -4478,33 +5122,34 @@ main ()
 }
 _ACEOF
 rm -f conftest$ac_exeext
-if { (eval echo "$as_me:4481: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4484: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:4486: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4489: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   ac_cv_func_mmap_fixed_mapped=yes
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
+( exit $ac_status )
 ac_cv_func_mmap_fixed_mapped=no
 fi
 rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
 fi
-echo "$as_me:4501: result: $ac_cv_func_mmap_fixed_mapped" >&5
+echo "$as_me:$LINENO: 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 <<\_ACEOF
 #define HAVE_MMAP 1
-EOF
+_ACEOF
 
 fi
 rm -f conftest.mmap
@@ -4512,16 +5157,21 @@ rm -f conftest.mmap
 saved_libs="$LIBS"
 LIBS="$LIBS -lc $LIBM"
 
+
+
+
+
+
 for ac_func in fmod getcwd putenv snprintf strerror strtol
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:4518: checking for $ac_func" >&5
+echo "$as_me:$LINENO: checking for $ac_func" >&5
 echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
 if eval "test \"\${$as_ac_var+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 4524 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func (); below.  */
@@ -4535,6 +5185,12 @@ extern "C"
 char $ac_func ();
 char (*f) ();
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -4552,16 +5208,16 @@ f = $ac_func;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:4555: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4558: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:4561: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4564: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   eval "$as_ac_var=yes"
 else
@@ -4571,30 +5227,35 @@ eval "$as_ac_var=no"
 fi
 rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 fi
-echo "$as_me:4574: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
 echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
 if test `eval echo '${'$as_ac_var'}'` = yes; then
-  cat >>confdefs.h <<EOF
+  cat >>confdefs.h <<_ACEOF
 #define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-EOF
+_ACEOF
 
 else
   LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
 fi
 done
 
+
 LIBS="$saved_libs"
 
+
+
+
+
 for ac_func in gettimeofday rename strcasecmp strncasecmp strsep
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:4591: checking for $ac_func" >&5
+echo "$as_me:$LINENO: checking for $ac_func" >&5
 echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
 if eval "test \"\${$as_ac_var+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 4597 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func (); below.  */
@@ -4608,6 +5269,12 @@ extern "C"
 char $ac_func ();
 char (*f) ();
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -4625,16 +5292,16 @@ f = $ac_func;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:4628: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4631: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:4634: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4637: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   eval "$as_ac_var=yes"
 else
@@ -4644,17 +5311,17 @@ eval "$as_ac_var=no"
 fi
 rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 fi
-echo "$as_me:4647: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
 echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
 if test `eval echo '${'$as_ac_var'}'` = yes; then
-  cat >>confdefs.h <<EOF
+  cat >>confdefs.h <<_ACEOF
 #define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-EOF
+_ACEOF
 
 fi
 done
 
-echo "$as_me:4657: checking for mkstemp" >&5
+echo "$as_me:$LINENO: checking for mkstemp" >&5
 echo $ECHO_N "checking for mkstemp... $ECHO_C" >&6
 ac_ext=cc
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -4662,12 +5329,19 @@ ac_compile='$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 <<_ACEOF
-#line 4666 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <unistd.h>
 int (*f) (char *);
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -4677,27 +5351,27 @@ f = mkstemp;
 }
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:4680: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4683: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:4686: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4689: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:4691: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define HAVE_MKSTEMP 1
-EOF
+_ACEOF
 
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:4700: result: no" >&5
+echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6;LIBOBJS="$LIBOBJS mkstemp.$ac_objext"
 fi
 rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
@@ -4707,13 +5381,13 @@ ac_compile='$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 "$as_me:4710: checking for sys_siglist declaration in signal.h or unistd.h" >&5
+echo "$as_me:$LINENO: 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 <<_ACEOF
-#line 4716 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -4722,6 +5396,12 @@ else
 # include <unistd.h>
 #endif
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -4731,16 +5411,16 @@ char *msg = *(sys_siglist + 1);
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4734: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4737: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4740: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4743: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   ac_cv_decl_sys_siglist=yes
 else
@@ -4750,13 +5430,13 @@ ac_cv_decl_sys_siglist=no
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:4753: result: $ac_cv_decl_sys_siglist" >&5
+echo "$as_me:$LINENO: 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 <<\_ACEOF
 #define SYS_SIGLIST_DECLARED 1
-EOF
+_ACEOF
 
 fi
 
@@ -4766,12 +5446,18 @@ 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 "$as_me:4769: checking whether ANSI array delete syntax supported" >&5
+echo "$as_me:$LINENO: 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 4772 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -4781,27 +5467,27 @@ char *p = new char[5]; delete [] p;
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4784: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4787: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4790: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4793: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:4795: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:4800: result: no" >&5
+echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define ARRAY_DELETE_NEEDS_SIZE 1
-EOF
+_ACEOF
 
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -4817,12 +5503,18 @@ 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 "$as_me:4820: checking traditional preprocessor" >&5
+echo "$as_me:$LINENO: checking traditional preprocessor" >&5
 echo $ECHO_N "checking traditional preprocessor... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line 4823 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #define name2(a,b) a/**/b
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
 int
 main ()
 {
@@ -4832,27 +5524,27 @@ int name2(foo,bar);
 }
 _ACEOF
 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4835: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4838: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
          { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4841: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4844: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:4846: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define TRADITIONAL_CPP 1
-EOF
+_ACEOF
 
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:4855: result: no" >&5
+echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 rm -f conftest.$ac_objext conftest.$ac_ext
@@ -4862,14 +5554,14 @@ 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 "$as_me:4865: checking w_coredump" >&5
+echo "$as_me:$LINENO: checking w_coredump" >&5
 echo $ECHO_N "checking w_coredump... $ECHO_C" >&6
 if test "$cross_compiling" = yes; then
-  echo "$as_me:4868: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line 4872 "configure"
+#line $LINENO "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -4885,38 +5577,39 @@ main()
 }
 _ACEOF
 rm -f conftest$ac_exeext
-if { (eval echo "$as_me:4888: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4891: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:4893: \"$ac_try\"") >&5
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4896: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:4898: result: yes" >&5
+  echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6;
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define WCOREFLAG 0200
-EOF
+_ACEOF
 
 else
   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:4908: result: no" >&5
+( exit $ac_status )
+echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:4913: checking default value for grops -b option" >&5
+echo "$as_me:$LINENO: 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 "$as_me:4916: result: $BROKEN_SPOOLER_FLAGS" >&5
+echo "$as_me:$LINENO: result: $BROKEN_SPOOLER_FLAGS" >&5
 echo "${ECHO_T}$BROKEN_SPOOLER_FLAGS" >&6
 
-echo "$as_me:4919: checking default paper size" >&5
+echo "$as_me:$LINENO: checking default paper size" >&5
 echo $ECHO_N "checking default paper size... $ECHO_C" >&6
 groff_prefix=$prefix
 test "x$prefix" = xNONE && groff_prefix=$ac_default_prefix
@@ -4964,27 +5657,27 @@ fi
 test -n "$PAGE" || PAGE=letter
 if test "x$PAGE" = "xA4"; then
 
-cat >>confdefs.h <<\EOF
+cat >>confdefs.h <<\_ACEOF
 #define PAGEA4 1
-EOF
+_ACEOF
 
 fi
-echo "$as_me:4972: result: $PAGE" >&5
+echo "$as_me:$LINENO: result: $PAGE" >&5
 echo "${ECHO_T}$PAGE" >&6
 
-echo "$as_me:4975: checking for existing troff installation" >&5
+echo "$as_me:$LINENO: checking for existing troff installation" >&5
 echo $ECHO_N "checking for existing troff installation... $ECHO_C" >&6
 if test "x`(echo .tm '|n(.g' | tr '|' '\\\\' | troff -z -i 2>&1) 2>/dev/null`" = x0; then
-	echo "$as_me:4978: result: yes" >&5
+	echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 	g=g
 else
-	echo "$as_me:4982: result: no" >&5
+	echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 	g=
 fi
 
-echo "$as_me:4987: checking for prefix of system macro packages" >&5
+echo "$as_me:$LINENO: checking for prefix of system macro packages" >&5
 echo $ECHO_N "checking for prefix of system macro packages... $ECHO_C" >&6
 sys_tmac_prefix=
 sys_tmac_file_prefix=
@@ -5001,11 +5694,11 @@ for d in /usr/share/lib/tmac /usr/lib/tmac; do
 		done
 	done
 done
-echo "$as_me:5004: result: $sys_tmac_prefix" >&5
+echo "$as_me:$LINENO: result: $sys_tmac_prefix" >&5
 echo "${ECHO_T}$sys_tmac_prefix" >&6
 
 tmac_wrap=
-echo "$as_me:5008: checking which system macro packages should be made available" >&5
+echo "$as_me:$LINENO: 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 $sys_tmac_prefix*; do
@@ -5041,14 +5734,14 @@ elif test -n "$sys_tmac_prefix"; then
 	done
 	rm -f conftest.sol
 fi
-echo "$as_me:5044: result: $tmac_wrap" >&5
+echo "$as_me:$LINENO: result: $tmac_wrap" >&5
 echo "${ECHO_T}$tmac_wrap" >&6
 
 make_html=html
 make_install_html=install_html
 # Extract the first word of "pnmcut", so it can be a program name with args.
 set dummy pnmcut; ac_word=$2
-echo "$as_me:5051: checking for $ac_word" >&5
+echo "$as_me:$LINENO: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_pnmcut+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5056,15 +5749,18 @@ else
   if test -n "$pnmcut"; then
   ac_cv_prog_pnmcut="$pnmcut" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_pnmcut="found"
-echo "$as_me:5066: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_pnmcut="found"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
   test -z "$ac_cv_prog_pnmcut" && ac_cv_prog_pnmcut="missing"
@@ -5072,16 +5768,16 @@ fi
 fi
 pnmcut=$ac_cv_prog_pnmcut
 if test -n "$pnmcut"; then
-  echo "$as_me:5075: result: $pnmcut" >&5
+  echo "$as_me:$LINENO: result: $pnmcut" >&5
 echo "${ECHO_T}$pnmcut" >&6
 else
-  echo "$as_me:5078: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
 # Extract the first word of "pnmcrop", so it can be a program name with args.
 set dummy pnmcrop; ac_word=$2
-echo "$as_me:5084: checking for $ac_word" >&5
+echo "$as_me:$LINENO: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_pnmcrop+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5089,15 +5785,18 @@ else
   if test -n "$pnmcrop"; then
   ac_cv_prog_pnmcrop="$pnmcrop" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_pnmcrop="found"
-echo "$as_me:5099: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_pnmcrop="found"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
   test -z "$ac_cv_prog_pnmcrop" && ac_cv_prog_pnmcrop="missing"
@@ -5105,16 +5804,16 @@ fi
 fi
 pnmcrop=$ac_cv_prog_pnmcrop
 if test -n "$pnmcrop"; then
-  echo "$as_me:5108: result: $pnmcrop" >&5
+  echo "$as_me:$LINENO: result: $pnmcrop" >&5
 echo "${ECHO_T}$pnmcrop" >&6
 else
-  echo "$as_me:5111: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
 # Extract the first word of "pnmtopng", so it can be a program name with args.
 set dummy pnmtopng; ac_word=$2
-echo "$as_me:5117: checking for $ac_word" >&5
+echo "$as_me:$LINENO: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_pnmtopng+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5122,15 +5821,18 @@ else
   if test -n "$pnmtopng"; then
   ac_cv_prog_pnmtopng="$pnmtopng" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_pnmtopng="found"
-echo "$as_me:5132: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_pnmtopng="found"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
   test -z "$ac_cv_prog_pnmtopng" && ac_cv_prog_pnmtopng="missing"
@@ -5138,16 +5840,16 @@ fi
 fi
 pnmtopng=$ac_cv_prog_pnmtopng
 if test -n "$pnmtopng"; then
-  echo "$as_me:5141: result: $pnmtopng" >&5
+  echo "$as_me:$LINENO: result: $pnmtopng" >&5
 echo "${ECHO_T}$pnmtopng" >&6
 else
-  echo "$as_me:5144: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
 # Extract the first word of "gs gsos2", so it can be a program name with args.
 set dummy gs gsos2; ac_word=$2
-echo "$as_me:5150: checking for $ac_word" >&5
+echo "$as_me:$LINENO: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_gs+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5155,15 +5857,18 @@ else
   if test -n "$gs"; then
   ac_cv_prog_gs="$gs" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_gs="found"
-echo "$as_me:5165: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_gs="found"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
   test -z "$ac_cv_prog_gs" && ac_cv_prog_gs="missing"
@@ -5171,16 +5876,16 @@ fi
 fi
 gs=$ac_cv_prog_gs
 if test -n "$gs"; then
-  echo "$as_me:5174: result: $gs" >&5
+  echo "$as_me:$LINENO: result: $gs" >&5
 echo "${ECHO_T}$gs" >&6
 else
-  echo "$as_me:5177: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
 # Extract the first word of "psselect", so it can be a program name with args.
 set dummy psselect; ac_word=$2
-echo "$as_me:5183: checking for $ac_word" >&5
+echo "$as_me:$LINENO: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_psselect+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5188,15 +5893,18 @@ else
   if test -n "$psselect"; then
   ac_cv_prog_psselect="$psselect" # Let the user override the test.
 else
-  ac_save_IFS=$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/$ac_word" || continue
-ac_cv_prog_psselect="found"
-echo "$as_me:5198: found $ac_dir/$ac_word" >&5
-break
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_psselect="found"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
 done
 
   test -z "$ac_cv_prog_psselect" && ac_cv_prog_psselect="missing"
@@ -5204,10 +5912,10 @@ fi
 fi
 psselect=$ac_cv_prog_psselect
 if test -n "$psselect"; then
-  echo "$as_me:5207: result: $psselect" >&5
+  echo "$as_me:$LINENO: result: $psselect" >&5
 echo "${ECHO_T}$psselect" >&6
 else
-  echo "$as_me:5210: result: no" >&5
+  echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -5215,7 +5923,7 @@ case "x$pnmcut$pnmcrop$pnmtopng$gs$psselect" in
 *missing*)
 	make_html=
 	make_install_html=
-	{ echo "$as_me:5218: WARNING:
+	{ echo "$as_me:$LINENO: WARNING:
 
   Since one or more of the above five programs can't be found in the path,
   the HTML backend of groff (grohtml) won't work properly.  Consequently,
@@ -5229,6 +5937,7 @@ echo "$as_me: WARNING:
 " >&2;} ;;
 esac
 
+
 ac_config_files="$ac_config_files stamp-h"
 
 ac_config_files="$ac_config_files Makefile doc/Makefile src/xditview/Imakefile"
@@ -5309,25 +6018,29 @@ fi
 
 DEFS=-DHAVE_CONFIG_H
 
+
 : ${CONFIG_STATUS=./config.status}
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ echo "$as_me:5315: creating $CONFIG_STATUS" >&5
+{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
 echo "$as_me: creating $CONFIG_STATUS" >&6;}
 cat >$CONFIG_STATUS <<_ACEOF
 #! $SHELL
-# Generated automatically by configure.
+# Generated by $as_me.
 # Run this file to recreate the current configuration.
 # Compiler output produced by configure, useful for debugging
 # configure, is in config.log if it exists.
 
 debug=false
 SHELL=\${CONFIG_SHELL-$SHELL}
-ac_cs_invocation="\$0 \$@"
-
 _ACEOF
 
 cat >>$CONFIG_STATUS <<\_ACEOF
+
+## --------------------- ##
+## M4sh Initialization.  ##
+## --------------------- ##
+
 # Be Bourne compatible
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
@@ -5336,8 +6049,167 @@ elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
   set -o posix
 fi
 
+# NLS nuisances.
+# Support unset when possible.
+if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
+fi
+
+(set +x; test -n "`(LANG=C; export LANG) 2>&1`") &&
+    { $as_unset LANG || test "${LANG+set}" != set; } ||
+      { LANG=C; export LANG; }
+(set +x; test -n "`(LC_ALL=C; export LC_ALL) 2>&1`") &&
+    { $as_unset LC_ALL || test "${LC_ALL+set}" != set; } ||
+      { LC_ALL=C; export LC_ALL; }
+(set +x; test -n "`(LC_TIME=C; export LC_TIME) 2>&1`") &&
+    { $as_unset LC_TIME || test "${LC_TIME+set}" != set; } ||
+      { LC_TIME=C; export LC_TIME; }
+(set +x; test -n "`(LC_CTYPE=C; export LC_CTYPE) 2>&1`") &&
+    { $as_unset LC_CTYPE || test "${LC_CTYPE+set}" != set; } ||
+      { LC_CTYPE=C; export LC_CTYPE; }
+(set +x; test -n "`(LANGUAGE=C; export LANGUAGE) 2>&1`") &&
+    { $as_unset LANGUAGE || test "${LANGUAGE+set}" != set; } ||
+      { LANGUAGE=C; export LANGUAGE; }
+(set +x; test -n "`(LC_COLLATE=C; export LC_COLLATE) 2>&1`") &&
+    { $as_unset LC_COLLATE || test "${LC_COLLATE+set}" != set; } ||
+      { LC_COLLATE=C; export LC_COLLATE; }
+(set +x; test -n "`(LC_NUMERIC=C; export LC_NUMERIC) 2>&1`") &&
+    { $as_unset LC_NUMERIC || test "${LC_NUMERIC+set}" != set; } ||
+      { LC_NUMERIC=C; export LC_NUMERIC; }
+(set +x; test -n "`(LC_MESSAGES=C; export LC_MESSAGES) 2>&1`") &&
+    { $as_unset LC_MESSAGES || test "${LC_MESSAGES+set}" != set; } ||
+      { LC_MESSAGES=C; export LC_MESSAGES; }
+
+
 # Name of the executable.
-as_me=`echo "$0" |sed 's,.*[\\/],,'`
+as_me=`(basename "$0") 2>/dev/null ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)$' \| \
+	 .     : '\(.\)' 2>/dev/null ||
+echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
+  	  /^X\/\(\/\/\)$/{ s//\1/; q; }
+  	  /^X\/\(\/\).*/{ s//\1/; q; }
+  	  s/.*/./; q'`
+
+# PATH needs CR, and LINENO needs CR and PATH.
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  echo "#! /bin/sh" >conftest.sh
+  echo  "exit 0"   >>conftest.sh
+  chmod +x conftest.sh
+  if (PATH=".;."; conftest.sh) >/dev/null 2>&1; then
+    PATH_SEPARATOR=';'
+  else
+    PATH_SEPARATOR=:
+  fi
+  rm -f conftest.sh
+fi
+
+
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x$as_lineno_3"  = "x$as_lineno_2"  || {
+  # Find who we are.  Look in the path if we contain no path at all
+  # relative or not.
+  case $0 in
+    *[\\/]* ) as_myself=$0 ;;
+    *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+
+       ;;
+  esac
+  # We did not find ourselves, most probably we were run as `sh COMMAND'
+  # in which case we are not to be found in the path.
+  if test "x$as_myself" = x; then
+    as_myself=$0
+  fi
+  if test ! -f "$as_myself"; then
+    { { echo "$as_me:$LINENO: error: cannot find myself; rerun with an absolute path" >&5
+echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+  case $CONFIG_SHELL in
+  '')
+    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for as_base in sh bash ksh sh5; do
+	 case $as_dir in
+	 /*)
+	   if ("$as_dir/$as_base" -c '
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x$as_lineno_3"  = "x$as_lineno_2" ') 2>/dev/null; then
+	     CONFIG_SHELL=$as_dir/$as_base
+	     export CONFIG_SHELL
+	     exec "$CONFIG_SHELL" "$0" ${1+"$@"}
+	   fi;;
+	 esac
+       done
+done
+;;
+  esac
+
+  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+  # uniformly replaced by the line number.  The first 'sed' inserts a
+  # line-number line before each line; the second 'sed' does the real
+  # work.  The second script uses 'N' to pair each line-number line
+  # with the numbered line, and appends trailing '-' during
+  # substitution so that $LINENO is not a special case at line end.
+  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+  # second 'sed' script.  Blame Lee E. McMahon for sed's syntax.  :-)
+  sed '=' <$as_myself |
+    sed '
+      N
+      s,$,-,
+      : loop
+      s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
+      t loop
+      s,-$,,
+      s,^['$as_cr_digits']*\n,,
+    ' >$as_me.lineno &&
+  chmod +x $as_me.lineno ||
+    { { echo "$as_me:$LINENO: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&5
+echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2;}
+   { (exit 1); exit 1; }; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensible to this).
+  . ./$as_me.lineno
+  # Exit status is that of the last command.
+  exit
+}
+
+
+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
 
 if expr a : '\(a\)' >/dev/null 2>&1; then
   as_expr=expr
@@ -5365,22 +6237,12 @@ 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
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="sed y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="sed y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
 
-# 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.
@@ -5389,10 +6251,34 @@ as_nl='
 IFS=" 	$as_nl"
 
 # CDPATH.
-$as_unset CDPATH || test "${CDPATH+set}" != set || { CDPATH=:; export CDPATH; }
+$as_unset CDPATH || test "${CDPATH+set}" != set || { CDPATH=$PATH_SEPARATOR; export CDPATH; }
 
 exec 6>&1
 
+# Open the log real soon, to keep \$[0] and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling.  Logging --version etc. is OK.
+exec 5>>config.log
+{
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+} >&5
+cat >&5 <<_CSEOF
+
+This file was extended by $as_me, which was
+generated by GNU Autoconf 2.53.  Invocation command line was
+
+  CONFIG_FILES    = $CONFIG_FILES
+  CONFIG_HEADERS  = $CONFIG_HEADERS
+  CONFIG_LINKS    = $CONFIG_LINKS
+  CONFIG_COMMANDS = $CONFIG_COMMANDS
+  $ $0 $@
+
+_CSEOF
+echo "on `(hostname || uname -n) 2>/dev/null | sed 1q`" >&5
+echo >&5
 _ACEOF
 
 # Files that config.status was made for.
@@ -5412,7 +6298,7 @@ if test -n "$ac_config_commands"; then
   echo "config_commands=\"$ac_config_commands\"" >>$CONFIG_STATUS
 fi
 
-cat >>$CONFIG_STATUS <<\EOF
+cat >>$CONFIG_STATUS <<\_ACEOF
 
 ac_cs_usage="\
 \`$as_me' instantiates files from templates according to the
@@ -5436,12 +6322,12 @@ Configuration headers:
 $config_headers
 
 Report bugs to <bug-autoconf@gnu.org>."
-EOF
+_ACEOF
 
-cat >>$CONFIG_STATUS <<EOF
+cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.52,
+configured by $0, generated by GNU Autoconf 2.53,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 
 Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
@@ -5450,9 +6336,9 @@ 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
+_ACEOF
 
-cat >>$CONFIG_STATUS <<\EOF
+cat >>$CONFIG_STATUS <<\_ACEOF
 # 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=:
@@ -5474,18 +6360,18 @@ do
 
   case $1 in
   # Handling of the options.
-EOF
-cat >>$CONFIG_STATUS <<EOF
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     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
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
   --version | --vers* | -V )
     echo "$ac_cs_version"; exit 0 ;;
   --he | --h)
     # Conflict between --help and --header
-    { { echo "$as_me:5488: error: ambiguous option: $1
+    { { echo "$as_me:$LINENO: 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;}
@@ -5504,7 +6390,7 @@ Try \`$0 --help' for more information." >&2;}
     ac_need_defaults=false;;
 
   # This is an error.
-  -*) { { echo "$as_me:5507: error: unrecognized option: $1
+  -*) { { echo "$as_me:$LINENO: 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;}
@@ -5516,25 +6402,13 @@ Try \`$0 --help' for more information." >&2;}
   shift
 done
 
-exec 5>>config.log
-cat >&5 << _ACEOF
+_ACEOF
+
 
-## ----------------------- ##
-## Running config.status.  ##
-## ----------------------- ##
 
-This file was extended by $as_me 2.52, executed with
-  CONFIG_FILES    = $CONFIG_FILES
-  CONFIG_HEADERS  = $CONFIG_HEADERS
-  CONFIG_LINKS    = $CONFIG_LINKS
-  CONFIG_COMMANDS = $CONFIG_COMMANDS
-  > $ac_cs_invocation
-on `(hostname || uname -n) 2>/dev/null | sed 1q`
 
-_ACEOF
-EOF
 
-cat >>$CONFIG_STATUS <<\EOF
+cat >>$CONFIG_STATUS <<\_ACEOF
 for ac_config_target in $ac_config_targets
 do
   case "$ac_config_target" in
@@ -5544,7 +6418,7 @@ do
   "doc/Makefile" ) CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
   "src/xditview/Imakefile" ) CONFIG_FILES="$CONFIG_FILES src/xditview/Imakefile" ;;
   "src/include/config.h" ) CONFIG_HEADERS="$CONFIG_HEADERS src/include/config.h:src/include/config.hin" ;;
-  *) { { echo "$as_me:5547: error: invalid argument: $ac_config_target" >&5
+  *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
 echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
    { (exit 1); exit 1; }; };;
   esac
@@ -5581,9 +6455,9 @@ $debug ||
    { (exit 1); exit 1; }
 }
 
-EOF
+_ACEOF
 
-cat >>$CONFIG_STATUS <<EOF
+cat >>$CONFIG_STATUS <<_ACEOF
 
 #
 # CONFIG_FILES section.
@@ -5596,6 +6470,12 @@ if test -n "\$CONFIG_FILES"; then
   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@,$SHELL,;t t
+s,@PATH_SEPARATOR@,$PATH_SEPARATOR,;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@,$PACKAGE_BUGREPORT,;t t
 s,@exec_prefix@,$exec_prefix,;t t
 s,@prefix@,$prefix,;t t
 s,@program_transform_name@,$program_transform_name,;t t
@@ -5611,21 +6491,15 @@ 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@,$PACKAGE_BUGREPORT,;t t
 s,@build_alias@,$build_alias,;t t
 s,@host_alias@,$host_alias,;t t
 s,@target_alias@,$target_alias,;t t
+s,@DEFS@,$DEFS,;t t
 s,@ECHO_C@,$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,@groff_top_builddir@,$groff_top_builddir,;t t
 s,@CC@,$CC,;t t
 s,@CFLAGS@,$CFLAGS,;t t
 s,@LDFLAGS@,$LDFLAGS,;t t
@@ -5670,9 +6544,9 @@ s,@make_html@,$make_html,;t t
 s,@make_install_html@,$make_install_html,;t t
 CEOF
 
-EOF
+_ACEOF
 
-  cat >>$CONFIG_STATUS <<\EOF
+  cat >>$CONFIG_STATUS <<\_ACEOF
   # 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
@@ -5711,8 +6585,8 @@ EOF
   fi
 fi # test -n "$CONFIG_FILES"
 
-EOF
-cat >>$CONFIG_STATUS <<\EOF
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
 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
@@ -5726,7 +6600,8 @@ for ac_file in : $CONFIG_FILES; do test "x$ac_file" = x: && continue
   esac
 
   # Compute @srcdir@, @top_srcdir@, and @INSTALL@ for subdirectories.
-  ac_dir=`$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+  ac_dir=`(dirname "$ac_file") 2>/dev/null ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
          X"$ac_file" : 'X\(//\)[^/]' \| \
          X"$ac_file" : 'X\(//\)$' \| \
          X"$ac_file" : 'X\(/\)' \| \
@@ -5737,8 +6612,7 @@ echo X"$ac_file" |
   	  /^X\(\/\/\)$/{ s//\1/; q; }
   	  /^X\(\/\).*/{ s//\1/; q; }
   	  s/.*/./; q'`
-  if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
-    { case "$ac_dir" in
+  { case "$ac_dir" in
   [\\/]* | ?:[\\/]* ) as_incr_dir=;;
   *)                      as_incr_dir=.;;
 esac
@@ -5749,48 +6623,68 @@ for as_mkdir_dir in `IFS='/\\'; set X $as_dummy; shift; echo "$@"`; do
     ?:) as_incr_dir=$as_mkdir_dir ;;
     *)
       as_incr_dir=$as_incr_dir/$as_mkdir_dir
-      test -d "$as_incr_dir" || mkdir "$as_incr_dir"
+      test -d "$as_incr_dir" ||
+        mkdir "$as_incr_dir" ||
+	{ { echo "$as_me:$LINENO: error: cannot create \"$ac_dir\"" >&5
+echo "$as_me: error: cannot create \"$ac_dir\"" >&2;}
+   { (exit 1); exit 1; }; }
     ;;
   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'`
-  else
-    ac_dir_suffix= ac_dots=
-  fi
+  ac_builddir=.
 
-  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=$srcdir ;;
+if test "$ac_dir" != .; then
+  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
+  # A "../" for each directory in $ac_dir_suffix.
+  ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
+else
+  ac_dir_suffix= ac_top_builddir=
+fi
+
+case $srcdir in
+  .)  # No --srcdir option.  We are building in place.
+    ac_srcdir=.
+    if test -z "$ac_top_builddir"; then
+       ac_top_srcdir=.
+    else
+       ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
+    fi ;;
+  [\\/]* | ?:[\\/]* )  # Absolute path.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir ;;
   *) # Relative path.
-    ac_srcdir=$ac_dots$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_dots$srcdir ;;
-  esac
+    ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_builddir$srcdir ;;
+esac
+# Don't blindly perform a `cd "$ac_dir"/$ac_foo && pwd` since $ac_foo can be
+# absolute.
+ac_abs_builddir=`cd "$ac_dir" && cd $ac_builddir && pwd`
+ac_abs_top_builddir=`cd "$ac_dir" && cd $ac_top_builddir && pwd`
+ac_abs_srcdir=`cd "$ac_dir" && cd $ac_srcdir && pwd`
+ac_abs_top_srcdir=`cd "$ac_dir" && cd $ac_top_srcdir && pwd`
+
 
   case $INSTALL in
   [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
-  *) ac_INSTALL=$ac_dots$INSTALL ;;
+  *) ac_INSTALL=$ac_top_builddir$INSTALL ;;
   esac
 
   if test x"$ac_file" != x-; then
-    { echo "$as_me:5785: creating $ac_file" >&5
+    { echo "$as_me:$LINENO: 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 $ac_file_in |
-                                                 sed 's,.*/,,'` by configure."
+  #    /* config.h.  Generated by config.status.  */
+  if test x"$ac_file" = x-; then
+    configure_input=
+  else
+    configure_input="$ac_file.  "
+  fi
+  configure_input=$configure_input"Generated from `echo $ac_file_in |
+                                     sed 's,.*/,,'` by configure."
 
   # First look for the input files in the build tree, otherwise in the
   # src tree.
@@ -5800,7 +6694,7 @@ echo "$as_me: creating $ac_file" >&6;}
       -) echo $tmp/stdin ;;
       [\\/$]*)
          # Absolute (can't be DOS-style, as IFS=:)
-         test -f "$f" || { { echo "$as_me:5803: error: cannot find input file: $f" >&5
+         test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
          echo $f;;
@@ -5813,23 +6707,29 @@ echo "$as_me: error: cannot find input file: $f" >&2;}
            echo $srcdir/$f
          else
            # /dev/null tree
-           { { echo "$as_me:5816: error: cannot find input file: $f" >&5
+           { { echo "$as_me:$LINENO: 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
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
   sed "$ac_vpsub
 $extrasub
-EOF
-cat >>$CONFIG_STATUS <<\EOF
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
 :t
 /@[a-zA-Z_][a-zA-Z_0-9]*@/!b
 s,@configure_input@,$configure_input,;t t
 s,@srcdir@,$ac_srcdir,;t t
+s,@abs_srcdir@,$ac_abs_srcdir,;t t
 s,@top_srcdir@,$ac_top_srcdir,;t t
+s,@abs_top_srcdir@,$ac_abs_top_srcdir,;t t
+s,@builddir@,$ac_builddir,;t t
+s,@abs_builddir@,$ac_abs_builddir,;t t
+s,@top_builddir@,$ac_top_builddir,;t t
+s,@abs_top_builddir@,$ac_abs_top_builddir,;t t
 s,@INSTALL@,$ac_INSTALL,;t t
 " $ac_file_inputs | (eval "$ac_sed_cmds") >$tmp/out
   rm -f $tmp/stdin
@@ -5845,8 +6745,8 @@ s,@INSTALL@,$ac_INSTALL,;t t
     stamp-h ) echo timestamp > stamp-h ;;
   esac
 done
-EOF
-cat >>$CONFIG_STATUS <<\EOF
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
 
 #
 # CONFIG_HEADER section.
@@ -5878,7 +6778,7 @@ for ac_file in : $CONFIG_HEADERS; do test "x$ac_file" = x: && continue
   * )   ac_file_in=$ac_file.in ;;
   esac
 
-  test x"$ac_file" != x- && { echo "$as_me:5881: creating $ac_file" >&5
+  test x"$ac_file" != x- && { echo "$as_me:$LINENO: creating $ac_file" >&5
 echo "$as_me: creating $ac_file" >&6;}
 
   # First look for the input files in the build tree, otherwise in the
@@ -5889,7 +6789,7 @@ echo "$as_me: creating $ac_file" >&6;}
       -) echo $tmp/stdin ;;
       [\\/$]*)
          # Absolute (can't be DOS-style, as IFS=:)
-         test -f "$f" || { { echo "$as_me:5892: error: cannot find input file: $f" >&5
+         test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
          echo $f;;
@@ -5902,7 +6802,7 @@ echo "$as_me: error: cannot find input file: $f" >&2;}
            echo $srcdir/$f
          else
            # /dev/null tree
-           { { echo "$as_me:5905: error: cannot find input file: $f" >&5
+           { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
          fi;;
@@ -5911,7 +6811,7 @@ echo "$as_me: error: cannot find input file: $f" >&2;}
   # Remove the trailing spaces.
   sed 's/[ 	]*$//' $ac_file_inputs >$tmp/in
 
-EOF
+_ACEOF
 
 # Transform confdefs.h into two sed scripts, `conftest.defines' and
 # `conftest.undefs', that substitutes the proper values into
@@ -5927,16 +6827,16 @@ rm -f conftest.defines conftest.undefs
 # `end' is used to avoid that the second main sed command (meant for
 # 0-ary CPP macros) applies to n-ary macro definitions.
 # See the Autoconf documentation for `clear'.
-cat >confdef2sed.sed <<\EOF
+cat >confdef2sed.sed <<\_ACEOF
 s/[\\&,]/\\&/g
 s,[\\$`],\\&,g
 t clear
 : clear
-s,^[ 	]*#[ 	]*define[ 	][ 	]*\(\([^ 	(][^ 	(]*\)([^)]*)\)[ 	]*\(.*\)$,${ac_dA}\2${ac_dB}\1${ac_dC}\3${ac_dD},gp
+s,^[ 	]*#[ 	]*define[ 	][ 	]*\([^ 	(][^ 	(]*\)\(([^)]*)\)[ 	]*\(.*\)$,${ac_dA}\1${ac_dB}\1\2${ac_dC}\3${ac_dD},gp
 t end
 s,^[ 	]*#[ 	]*define[ 	][ 	]*\([^ 	][^ 	]*\)[ 	]*\(.*\)$,${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD},gp
 : end
-EOF
+_ACEOF
 # If some macros were called several times there might be several times
 # the same #defines, which is useless.  Nevertheless, we may not want to
 # sort them, since we want the *last* AC-DEFINE to be honored.
@@ -5947,9 +6847,9 @@ rm -f confdef2sed.sed
 # This sed command replaces #undef with comments.  This is necessary, for
 # example, in the case of _POSIX_SOURCE, which is predefined and required
 # on some systems where configure will not decide to define it.
-cat >>conftest.undefs <<\EOF
+cat >>conftest.undefs <<\_ACEOF
 s,^[ 	]*#[ 	]*undef[ 	][ 	]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
-EOF
+_ACEOF
 
 # Break up conftest.defines because some shells have a limit on the size
 # of here documents, and old seds have small limits too (100 cmds).
@@ -6006,23 +6906,24 @@ do
 done
 rm -f conftest.undefs
 
-cat >>$CONFIG_STATUS <<\EOF
+cat >>$CONFIG_STATUS <<\_ACEOF
   # Let's still pretend it is `configure' which instantiates (i.e., don't
   # use $as_me), people would be surprised to read:
-  #    /* config.h.  Generated automatically by config.status.  */
+  #    /* config.h.  Generated by config.status.  */
   if test x"$ac_file" = x-; then
-    echo "/* Generated automatically by configure.  */" >$tmp/config.h
+    echo "/* Generated by configure.  */" >$tmp/config.h
   else
-    echo "/* $ac_file.  Generated automatically by configure.  */" >$tmp/config.h
+    echo "/* $ac_file.  Generated by configure.  */" >$tmp/config.h
   fi
   cat $tmp/in >>$tmp/config.h
   rm -f $tmp/in
   if test x"$ac_file" != x-; then
     if cmp -s $ac_file $tmp/config.h 2>/dev/null; then
-      { echo "$as_me:6022: $ac_file is unchanged" >&5
+      { echo "$as_me:$LINENO: $ac_file is unchanged" >&5
 echo "$as_me: $ac_file is unchanged" >&6;}
     else
-      ac_dir=`$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+      ac_dir=`(dirname "$ac_file") 2>/dev/null ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
          X"$ac_file" : 'X\(//\)[^/]' \| \
          X"$ac_file" : 'X\(//\)$' \| \
          X"$ac_file" : 'X\(/\)' \| \
@@ -6033,8 +6934,7 @@ echo X"$ac_file" |
   	  /^X\(\/\/\)$/{ s//\1/; q; }
   	  /^X\(\/\).*/{ s//\1/; q; }
   	  s/.*/./; q'`
-      if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
-        { case "$ac_dir" in
+      { case "$ac_dir" in
   [\\/]* | ?:[\\/]* ) as_incr_dir=;;
   *)                      as_incr_dir=.;;
 esac
@@ -6045,12 +6945,15 @@ for as_mkdir_dir in `IFS='/\\'; set X $as_dummy; shift; echo "$@"`; do
     ?:) as_incr_dir=$as_mkdir_dir ;;
     *)
       as_incr_dir=$as_incr_dir/$as_mkdir_dir
-      test -d "$as_incr_dir" || mkdir "$as_incr_dir"
+      test -d "$as_incr_dir" ||
+        mkdir "$as_incr_dir" ||
+	{ { echo "$as_me:$LINENO: error: cannot create \"$ac_dir\"" >&5
+echo "$as_me: error: cannot create \"$ac_dir\"" >&2;}
+   { (exit 1); exit 1; }; }
     ;;
   esac
 done; }
 
-      fi
       rm -f $ac_file
       mv $tmp/config.h $ac_file
     fi
@@ -6059,15 +6962,16 @@ done; }
     rm -f $tmp/config.h
   fi
 done
-EOF
+_ACEOF
 
-cat >>$CONFIG_STATUS <<\EOF
+cat >>$CONFIG_STATUS <<\_ACEOF
 
 { (exit 0); exit 0; }
-EOF
+_ACEOF
 chmod +x $CONFIG_STATUS
 ac_clean_files=$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
@@ -6086,7 +6990,7 @@ if test "$no_create" != yes; then
   $ac_cs_success || { (exit 1); exit 1; }
 fi
 
-{ echo "$as_me:6089:
+{ echo "$as_me:$LINENO:
 
   Configuration completed.
 
diff --git a/doc/Makefile.in b/doc/Makefile.in
index 3ab53f42..af79e242 100644
--- a/doc/Makefile.in
+++ b/doc/Makefile.in
@@ -31,7 +31,7 @@
 srcdir=@srcdir@
 top_srcdir=@top_srcdir@
 VPATH=@srcdir@
-top_builddir=@top_builddir@
+top_builddir=@groff_top_builddir@
 
 
 # Since info files are distributed within the groff package, no
diff --git a/doc/groff.texinfo b/doc/groff.texinfo
index 1ecf7e11..05a44874 100644
--- a/doc/groff.texinfo
+++ b/doc/groff.texinfo
@@ -11180,6 +11180,21 @@ production of the next inline image.
 @section Colors
 @cindex colors
 
+@DefreqList {color, [@Var{n}]}
+@DefregListEnd {.color}
+If @var{n} is missing or non-zero, activate colors (this is the default);
+otherwise, turn it off.
+
+The read-only number register @code{.color} is@w{ }1 if colors are active,
+0@w{ }otherwise.
+
+Internally, @code{color} sets a global flag; it does not produce a token.
+Similar to the @code{cp} request, you should use it at the beginning of
+your document to control color output.
+
+Colors can be also turned off with the @option{-c} command line option.
+@endDefreq
+
 @Defreq {defcolor, ident scheme color_components}
 Define color with name @var{ident}.  @var{scheme} can be one of  the
 following values: @code{rgb} (three components), @code{cym} (three
@@ -12288,12 +12303,11 @@ interpreted as the start of a long name.  In compatibility mode GNU
 If @var{n} is missing or non-zero, turn on compatibility mode;
 otherwise, turn it off.
 
-The number
-register @code{.C} is@w{ }1 if compatibility mode is on, 0@w{
-}otherwise.
+The read-only number register @code{.C} is@w{ }1 if compatibility mode is
+on, 0@w{ }otherwise.
 
-Compatibility mode can be turned on with the
-@option{-C} command line option.
+Compatibility mode can be also turned on with the @option{-C} command line
+option.
 
 The @code{do} request turns off compatibility mode
 while executing its arguments as a @code{gtroff} command.
diff --git a/man/groff.man b/man/groff.man
index 95ed8bd8..b360dc5e 100644
--- a/man/groff.man
+++ b/man/groff.man
@@ -2,7 +2,7 @@
 .ig
 groff.man
 
-Last update: 27 May 2002
+Last update: 18 June 2002
 
 This file is part of groff, the GNU roff type-setting system.
 
@@ -1317,6 +1317,14 @@ Chop the last character off macro, string, or diversion
 Close the
 .IR stream .
 .
+.REQ .color
+Enable colors.
+.
+.REQ .color N
+If
+.I N
+is zero disable colors, otherwise enable them.
+.
 .REQ .continue
 Finish the current iteration of a while loop.
 .
@@ -2967,6 +2975,9 @@ request.
 The height of the last character added to the current environment.
 It is positive if the character extends above the baseline.
 .
+.REG .color
+1\~if colors are enabled, 0\~otherwise.
+.
 .REG .csk
 The skew of the last character added to the current environment.
 The skew of a character is how far to the right of the center of a character
diff --git a/man/groff_diff.man b/man/groff_diff.man
index 07a8d951..05ff6d2b 100644
--- a/man/groff_diff.man
+++ b/man/groff_diff.man
@@ -3,7 +3,7 @@
 .ig
 groff_diff.man
 
-Last update : 27 May 2002
+Last update : 18 June 2002
 
 This file is part of groff, the GNU roff type-setting system.
 It is the source of the man-page groff_diff(7).
@@ -1134,6 +1134,13 @@ and
 requests.
 .
 .TP
+.BI .color\  n
+If
+.I n
+is non-zero or missing, enable colors (this is the default), otherwise
+disable them.
+.
+.TP
 .BI .cp\  n
 If
 .I n
@@ -2463,6 +2470,10 @@ The height of the last character added to the current environment.
 It is positive if the character extends above the baseline.
 .
 .TP
+.B \[rs]n[.color]
+1\~if colors are enabled, 0\~otherwise.
+.
+.TP
 .B \[rs]n[.csk]
 The skew of the last character added to the current environment.
 .
diff --git a/src/roff/troff/input.cc b/src/roff/troff/input.cc
index 4e32a3c1..27f0cda6 100644
--- a/src/roff/troff/input.cc
+++ b/src/roff/troff/input.cc
@@ -92,7 +92,7 @@ void process_input_stack();
 const char *program_name = 0;
 token tok;
 int break_flag = 0;
-int disable_color_flag = 0;
+int color_flag = 1;		// colors are on by default
 static int backtrace_flag = 0;
 #ifndef POPEN_MISSING
 char *pipe_command = 0;
@@ -1194,6 +1194,16 @@ static color *read_gray()
   return col;
 }
 
+static void activate_color()
+{
+  int n;
+  if (has_arg() && get_integer(&n))
+    color_flag = n != 0;
+  else
+    color_flag = 1;
+  skip_line();
+}
+
 static void define_color()
 {
   symbol color_name = get_long_name(1);
@@ -6636,7 +6646,7 @@ int main(int argc, char **argv)
       compatible_flag = 1;
       // fall through
     case 'c':
-      disable_color_flag = 1;
+      color_flag = 0;
       break;
     case 'M':
       macro_path.command_line_dir(optarg);
@@ -6883,6 +6893,7 @@ void init_input_requests()
   init_request("char", define_character);
   init_request("chop", chop_macro);
   init_request("close", close_request);
+  init_request("color", activate_color);
   init_request("continue", while_continue_request);
   init_request("cp", compatible);
   init_request("de", define_macro);
@@ -6962,6 +6973,7 @@ void init_input_requests()
   number_reg_dictionary.define(".Y", new constant_reg(revision));
   number_reg_dictionary.define(".c", new lineno_reg);
   number_reg_dictionary.define(".g", new constant_reg("1"));
+  number_reg_dictionary.define(".color", new constant_int_reg(&color_flag));
   number_reg_dictionary.define(".warn", new constant_int_reg(&warning_mask));
   extern const char *major_version;
   number_reg_dictionary.define(".x", new constant_reg(major_version));
diff --git a/src/roff/troff/node.cc b/src/roff/troff/node.cc
index afdef9c0..39397b05 100644
--- a/src/roff/troff/node.cc
+++ b/src/roff/troff/node.cc
@@ -1153,7 +1153,7 @@ void troff_output_file::set_font(tfont *tf)
 
 void troff_output_file::fill_color(color *col)
 {
-  if ((current_pagecolor == col) || disable_color_flag)
+  if ((current_pagecolor == col) || !color_flag)
     return;
   flush_tbuf();
   do_motion();
@@ -1202,7 +1202,7 @@ void troff_output_file::fill_color(color *col)
 
 void troff_output_file::glyph_color(color *col)
 {
-  if ((current_glyphcolor == col) || disable_color_flag)
+  if ((current_glyphcolor == col) || !color_flag)
     return;
   flush_tbuf();
   do_motion();
diff --git a/src/roff/troff/troff.h b/src/roff/troff/troff.h
index e37137e0..80d9f0b0 100644
--- a/src/roff/troff/troff.h
+++ b/src/roff/troff/troff.h
@@ -43,7 +43,7 @@ extern units units_per_inch;
 
 extern int ascii_output_flag;
 extern int suppress_output_flag;
-extern int disable_color_flag;
+extern int color_flag;
 extern int is_html;
 
 extern int tcommand_flag;
diff --git a/src/xditview/Imakefile.in b/src/xditview/Imakefile.in
index 82162e67..1b99288a 100644
--- a/src/xditview/Imakefile.in
+++ b/src/xditview/Imakefile.in
@@ -1,7 +1,7 @@
 srcdir=@srcdir@
 top_srcdir=@top_srcdir@
 VPATH=@srcdir@
-top_builddir=@top_builddir@
+top_builddir=@groff_top_builddir@
 
 version=`cat $(top_srcdir)/VERSION`
 # No additional number if revision is zero