X-Git-Url: http://gitweb.fperrin.net/?p=iftop.git;a=blobdiff_plain;f=configure;h=19571364c4dc55b5be9f0070b50fa6b76c0797aa;hp=7281e7e06b1321343fdecadb819b7709699469e9;hb=626b3a3ea024fcad4111b93e9b527119a0e882dd;hpb=cd1db5a0a5c698b647e554a003c7e48b5db695f5

diff --git a/configure b/configure
index 7281e7e..1957136 100755
--- a/configure
+++ b/configure
@@ -1,11 +1,11 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.65.
+# Generated by GNU Autoconf 2.69 for iftop 1.0pre4.
 #
+# Report bugs to <pdw@ex-parrot.com>.
 #
-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
-# Inc.
+#
+# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -89,6 +89,7 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -133,6 +134,31 @@ export LANGUAGE
 # CDPATH.
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
+# Use a proper internal environment variable to ensure we don't fall
+  # into an infinite loop, continuously re-executing ourselves.
+  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
+    _as_can_reexec=no; export _as_can_reexec;
+    # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+as_fn_exit 255
+  fi
+  # We don't want this to propagate to other subprocesses.
+          { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
   as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
@@ -166,7 +192,8 @@ if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
 else
   exitcode=1; echo positional parameters were not saved.
 fi
-test x\$exitcode = x0 || exit 1"
+test x\$exitcode = x0 || exit 1
+test -x / || exit 1"
   as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
   as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
   eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
@@ -211,14 +238,25 @@ IFS=$as_save_IFS
 
 
       if test "x$CONFIG_SHELL" != x; then :
-  # We cannot yet assume a decent shell, so we have to provide a
-	# neutralization value for shells without unset; and this also
-	# works around shells that cannot unset nonexistent variables.
-	BASH_ENV=/dev/null
-	ENV=/dev/null
-	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-	export CONFIG_SHELL
-	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+  export CONFIG_SHELL
+             # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
 fi
 
     if test x$as_have_required = xno; then :
@@ -228,10 +266,11 @@ fi
     $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
     $as_echo "$0: be upgraded to zsh 4.3.4 or later."
   else
-    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
-$0: including any error possibly output before this
-$0: message. Then install a modern shell, or manually run
-$0: the script under such a shell if you do have one."
+    $as_echo "$0: Please tell bug-autoconf@gnu.org and pdw@ex-parrot.com
+$0: about your system, including any error possibly output
+$0: before this message. Then install a modern shell, or
+$0: manually run the script under such a shell if you do
+$0: have one."
   fi
   exit 1
 fi
@@ -316,10 +355,18 @@ $as_echo X"$as_dir" |
       test -d "$as_dir" && break
     done
     test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
 
 
 } # as_fn_mkdir_p
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
 # as_fn_append VAR VALUE
 # ----------------------
 # Append the text in VALUE to the end of the definition contained in VAR. Take
@@ -356,19 +403,19 @@ else
 fi # as_fn_arith
 
 
-# as_fn_error ERROR [LINENO LOG_FD]
-# ---------------------------------
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
 # Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
 # provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with status $?, using 1 if that was 0.
+# script with STATUS, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$?; test $as_status -eq 0 && as_status=1
-  if test "$3"; then
-    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  $as_echo "$as_me: error: $1" >&2
+  $as_echo "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -441,6 +488,10 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
   chmod +x "$as_me.lineno" ||
     { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
+  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+  # already done that, so ensure we don't try to do so again and fall
+  # in an infinite loop.  This has already happened in practice.
+  _as_can_reexec=no; export _as_can_reexec
   # 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 sensitive to this).
@@ -475,16 +526,16 @@ if (echo >conf$$.file) 2>/dev/null; then
     # ... but there are two gotchas:
     # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
     # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
+      as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
     as_ln_s=ln
   else
-    as_ln_s='cp -p'
+    as_ln_s='cp -pR'
   fi
 else
-  as_ln_s='cp -p'
+  as_ln_s='cp -pR'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
@@ -496,28 +547,8 @@ else
   as_mkdir_p=false
 fi
 
-if test -x / >/dev/null 2>&1; then
-  as_test_x='test -x'
-else
-  if ls -dL / >/dev/null 2>&1; then
-    as_ls_L_option=L
-  else
-    as_ls_L_option=
-  fi
-  as_test_x='
-    eval sh -c '\''
-      if test -d "$1"; then
-	test -d "$1/.";
-      else
-	case $1 in #(
-	-*)set "./$1";;
-	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
-	???[sx]*):;;*)false;;esac;fi
-    '\'' sh
-  '
-fi
-as_executable_p=$as_test_x
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -530,7 +561,7 @@ test -n "$DJDIR" || exec 7<&0 </dev/null
 exec 6>&1
 
 # Name of the host.
-# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
 # so uname gets run too.
 ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
@@ -547,14 +578,13 @@ MFLAGS=
 MAKEFLAGS=
 
 # Identity of this package.
-PACKAGE_NAME=
-PACKAGE_TARNAME=
-PACKAGE_VERSION=
-PACKAGE_STRING=
-PACKAGE_BUGREPORT=
-PACKAGE_URL=
-
-ac_unique_file="iftop.c"
+PACKAGE_NAME='iftop'
+PACKAGE_TARNAME='iftop'
+PACKAGE_VERSION='1.0pre4'
+PACKAGE_STRING='iftop 1.0pre4'
+PACKAGE_BUGREPORT='pdw@ex-parrot.com'
+PACKAGE_URL='http://www.ex-parrot.com/pdw/iftop/'
+
 # Factoring default headers for most tests.
 ac_includes_default="\
 #include <stdio.h>
@@ -591,7 +621,9 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='LTLIBOBJS
+ac_subst_vars='am__EXEEXT_FALSE
+am__EXEEXT_TRUE
+LTLIBOBJS
 LIBOBJS
 ac_aux_dir
 EGREP
@@ -600,6 +632,7 @@ CPP
 am__fastdepCC_FALSE
 am__fastdepCC_TRUE
 CCDEPMODE
+am__nodep
 AMDEPBACKSLASH
 AMDEP_FALSE
 AMDEP_TRUE
@@ -613,6 +646,10 @@ CPPFLAGS
 LDFLAGS
 CFLAGS
 CC
+AM_BACKSLASH
+AM_DEFAULT_VERBOSITY
+AM_DEFAULT_V
+AM_V
 am__untar
 am__tar
 AMTAR
@@ -620,6 +657,7 @@ am__leading_dot
 SET_MAKE
 AWK
 mkdir_p
+MKDIR_P
 INSTALL_STRIP_PROGRAM
 STRIP
 install_sh
@@ -631,6 +669,7 @@ ACLOCAL
 VERSION
 PACKAGE
 CYGPATH_W
+am__isrc
 INSTALL_DATA
 INSTALL_SCRIPT
 INSTALL_PROGRAM
@@ -687,6 +726,7 @@ SHELL'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
+enable_silent_rules
 enable_dependency_tracking
 with_resolver
 with_libpcap
@@ -741,7 +781,7 @@ sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
-docdir='${datarootdir}/doc/${PACKAGE}'
+docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
 infodir='${datarootdir}/info'
 htmldir='${docdir}'
 dvidir='${docdir}'
@@ -763,8 +803,9 @@ do
   fi
 
   case $ac_option in
-  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
-  *)	ac_optarg=yes ;;
+  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *=)   ac_optarg= ;;
+  *)    ac_optarg=yes ;;
   esac
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
@@ -809,7 +850,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid feature name: $ac_useropt"
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -835,7 +876,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid feature name: $ac_useropt"
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1039,7 +1080,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid package name: $ac_useropt"
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1055,7 +1096,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid package name: $ac_useropt"
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1085,8 +1126,8 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information."
+  -*) as_fn_error $? "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information"
     ;;
 
   *=*)
@@ -1094,7 +1135,7 @@ Try \`$0 --help' for more information."
     # Reject names that are not valid shell variable names.
     case $ac_envvar in #(
       '' | [0-9]* | *[!_$as_cr_alnum]* )
-      as_fn_error "invalid variable name: \`$ac_envvar'" ;;
+      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
     esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
@@ -1104,7 +1145,7 @@ Try \`$0 --help' for more information."
     $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
   esac
@@ -1112,13 +1153,13 @@ done
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  as_fn_error "missing argument to $ac_option"
+  as_fn_error $? "missing argument to $ac_option"
 fi
 
 if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
-    fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;;
+    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
     *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
@@ -1141,7 +1182,7 @@ do
     [\\/$]* | ?:[\\/]* )  continue;;
     NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
   esac
-  as_fn_error "expected an absolute directory name for --$ac_var: $ac_val"
+  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -1155,8 +1196,6 @@ target=$target_alias
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
-    If a cross compiler is detected then cross compile mode will be used." >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
   fi
@@ -1171,9 +1210,9 @@ test "$silent" = yes && exec 6>/dev/null
 ac_pwd=`pwd` && test -n "$ac_pwd" &&
 ac_ls_di=`ls -di .` &&
 ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  as_fn_error "working directory cannot be determined"
+  as_fn_error $? "working directory cannot be determined"
 test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  as_fn_error "pwd does not report name of working directory"
+  as_fn_error $? "pwd does not report name of working directory"
 
 
 # Find the source files, if location was not specified.
@@ -1212,11 +1251,11 @@ else
 fi
 if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  as_fn_error "cannot find sources ($ac_unique_file) in $srcdir"
+  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
 fi
 ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
-	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg"
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
 	pwd)`
 # When building in place, set srcdir=.
 if test "$ac_abs_confdir" = "$ac_pwd"; then
@@ -1242,7 +1281,7 @@ 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 <<_ACEOF
-\`configure' configures this package to adapt to many kinds of systems.
+\`configure' configures iftop 1.0pre4 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1256,7 +1295,7 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking...' messages
+  -q, --quiet, --silent   do not print \`checking ...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
   -C, --config-cache      alias for \`--cache-file=config.cache'
   -n, --no-create         do not create output files
@@ -1290,7 +1329,7 @@ Fine tuning of the installation directories:
   --infodir=DIR           info documentation [DATAROOTDIR/info]
   --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
   --mandir=DIR            man documentation [DATAROOTDIR/man]
-  --docdir=DIR            documentation root [DATAROOTDIR/doc/PACKAGE]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/iftop]
   --htmldir=DIR           html documentation [DOCDIR]
   --dvidir=DIR            dvi documentation [DOCDIR]
   --pdfdir=DIR            pdf documentation [DOCDIR]
@@ -1312,15 +1351,21 @@ _ACEOF
 fi
 
 if test -n "$ac_init_help"; then
-
+  case $ac_init_help in
+     short | recursive ) echo "Configuration of iftop 1.0pre4:";;
+   esac
   cat <<\_ACEOF
 
 Optional Features:
   --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
-  --disable-dependency-tracking  speeds up one-time build
-  --enable-dependency-tracking   do not reject slow dependency extractors
+  --enable-silent-rules   less verbose build output (undo: "make V=1")
+  --disable-silent-rules  verbose build output (undo: "make V=0")
+  --enable-dependency-tracking
+                          do not reject slow dependency extractors
+  --disable-dependency-tracking
+                          speeds up one-time build
   --enable-default-promiscuous If enabled, iftop will operate in promiscuous mode
                           to capture outgoing packets
 
@@ -1361,7 +1406,8 @@ 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.
 
-Report bugs to the package provider.
+Report bugs to <pdw@ex-parrot.com>.
+iftop home page: <http://www.ex-parrot.com/pdw/iftop/>.
 _ACEOF
 ac_status=$?
 fi
@@ -1424,10 +1470,10 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-configure
-generated by GNU Autoconf 2.65
+iftop configure 1.0pre4
+generated by GNU Autoconf 2.69
 
-Copyright (C) 2009 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1471,7 +1517,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_compile
@@ -1497,7 +1543,7 @@ $as_echo "$ac_try_echo"; } >&5
     mv -f conftest.er1 conftest.err
   fi
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } >/dev/null && {
+  test $ac_status = 0; } > conftest.i && {
 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        }; then :
@@ -1508,7 +1554,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_cpp
@@ -1550,7 +1596,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
        ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_run
@@ -1563,10 +1609,10 @@ fi
 ac_fn_c_check_header_mongrel ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval \${$3+:} false; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 fi
 eval ac_res=\$$3
@@ -1602,7 +1648,7 @@ if ac_fn_c_try_cpp "$LINENO"; then :
 else
   ac_header_preproc=no
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
 $as_echo "$ac_header_preproc" >&6; }
 
@@ -1625,11 +1671,15 @@ $as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
 $as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
 $as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+( $as_echo "## -------------------------------- ##
+## Report this to pdw@ex-parrot.com ##
+## -------------------------------- ##"
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
     ;;
 esac
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=\$ac_header_compiler"
@@ -1638,7 +1688,7 @@ eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_mongrel
 
@@ -1651,7 +1701,7 @@ ac_fn_c_check_header_compile ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1669,7 +1719,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_compile
 
@@ -1682,7 +1732,7 @@ ac_fn_c_check_type ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -1723,7 +1773,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_type
 
@@ -1754,7 +1804,7 @@ $as_echo "$ac_try_echo"; } >&5
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext && {
 	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
+	 test -x conftest$ac_exeext
        }; then :
   ac_retval=0
 else
@@ -1768,7 +1818,7 @@ fi
   # interfere with the next link command; also delete a directory that is
   # left behind by Apple's compiler.  We do this before executing the actions.
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_link
@@ -1781,7 +1831,7 @@ ac_fn_c_check_func ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1836,7 +1886,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_func
 
@@ -1857,7 +1907,8 @@ int
 main ()
 {
 static int test_array [1 - 2 * !(($2) >= 0)];
-test_array [0] = 0
+test_array [0] = 0;
+return test_array [0];
 
   ;
   return 0;
@@ -1873,7 +1924,8 @@ int
 main ()
 {
 static int test_array [1 - 2 * !(($2) <= $ac_mid)];
-test_array [0] = 0
+test_array [0] = 0;
+return test_array [0];
 
   ;
   return 0;
@@ -1899,7 +1951,8 @@ int
 main ()
 {
 static int test_array [1 - 2 * !(($2) < 0)];
-test_array [0] = 0
+test_array [0] = 0;
+return test_array [0];
 
   ;
   return 0;
@@ -1915,7 +1968,8 @@ int
 main ()
 {
 static int test_array [1 - 2 * !(($2) >= $ac_mid)];
-test_array [0] = 0
+test_array [0] = 0;
+return test_array [0];
 
   ;
   return 0;
@@ -1949,7 +2003,8 @@ int
 main ()
 {
 static int test_array [1 - 2 * !(($2) <= $ac_mid)];
-test_array [0] = 0
+test_array [0] = 0;
+return test_array [0];
 
   ;
   return 0;
@@ -2013,7 +2068,7 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 rm -f conftest.val
 
   fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_compute_int
@@ -2021,8 +2076,8 @@ cat >config.log <<_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 2.65.  Invocation command line was
+It was created by iftop $as_me 1.0pre4, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
 
@@ -2132,11 +2187,9 @@ trap 'exit_status=$?
   {
     echo
 
-    cat <<\_ASBOX
-## ---------------- ##
+    $as_echo "## ---------------- ##
 ## Cache variables. ##
-## ---------------- ##
-_ASBOX
+## ---------------- ##"
     echo
     # The following way of writing the cache mishandles newlines in values,
 (
@@ -2170,11 +2223,9 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
 )
     echo
 
-    cat <<\_ASBOX
-## ----------------- ##
+    $as_echo "## ----------------- ##
 ## Output variables. ##
-## ----------------- ##
-_ASBOX
+## ----------------- ##"
     echo
     for ac_var in $ac_subst_vars
     do
@@ -2187,11 +2238,9 @@ _ASBOX
     echo
 
     if test -n "$ac_subst_files"; then
-      cat <<\_ASBOX
-## ------------------- ##
+      $as_echo "## ------------------- ##
 ## File substitutions. ##
-## ------------------- ##
-_ASBOX
+## ------------------- ##"
       echo
       for ac_var in $ac_subst_files
       do
@@ -2205,11 +2254,9 @@ _ASBOX
     fi
 
     if test -s confdefs.h; then
-      cat <<\_ASBOX
-## ----------- ##
+      $as_echo "## ----------- ##
 ## confdefs.h. ##
-## ----------- ##
-_ASBOX
+## ----------- ##"
       echo
       cat confdefs.h
       echo
@@ -2264,7 +2311,12 @@ _ACEOF
 ac_site_file1=NONE
 ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  ac_site_file1=$CONFIG_SITE
+  # We do not want a PATH search for config.site.
+  case $CONFIG_SITE in #((
+    -*)  ac_site_file1=./$CONFIG_SITE;;
+    */*) ac_site_file1=$CONFIG_SITE;;
+    *)   ac_site_file1=./$CONFIG_SITE;;
+  esac
 elif test "x$prefix" != xNONE; then
   ac_site_file1=$prefix/share/config.site
   ac_site_file2=$prefix/etc/config.site
@@ -2279,7 +2331,11 @@ do
     { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
 $as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
-    . "$ac_site_file"
+    . "$ac_site_file" \
+      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "failed to load site script $ac_site_file
+See \`config.log' for more details" "$LINENO" 5; }
   fi
 done
 
@@ -2355,7 +2411,7 @@ if $ac_cache_corrupted; then
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
   { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
 $as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
 fi
 ## -------------------- ##
 ## Main body of script. ##
@@ -2371,16 +2427,22 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 ac_aux_dir=
 for ac_dir in config "$srcdir"/config; do
-  for ac_t in install-sh install.sh shtool; do
-    if test -f "$ac_dir/$ac_t"; then
-      ac_aux_dir=$ac_dir
-      ac_install_sh="$ac_aux_dir/$ac_t -c"
-      break 2
-    fi
-  done
+  if test -f "$ac_dir/install-sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f "$ac_dir/install.sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  elif test -f "$ac_dir/shtool"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
+  fi
 done
 if test -z "$ac_aux_dir"; then
-  as_fn_error "cannot find install-sh, install.sh, or shtool in config \"$srcdir\"/config" "$LINENO" 5
+  as_fn_error $? "cannot find install-sh, install.sh, or shtool in config \"$srcdir\"/config" "$LINENO" 5
 fi
 
 # These three variables are undocumented and unsupported,
@@ -2395,27 +2457,27 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
 $as_echo_n "checking build system type... " >&6; }
-if test "${ac_cv_build+set}" = set; then :
+if ${ac_cv_build+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
 test "x$ac_build_alias" = x &&
-  as_fn_error "cannot guess build type; you must specify one" "$LINENO" 5
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
 ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  as_fn_error "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
 
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
 $as_echo "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical build" "$LINENO" 5;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
 esac
 build=$ac_cv_build
 ac_save_IFS=$IFS; IFS='-'
@@ -2433,14 +2495,14 @@ case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
 $as_echo_n "checking host system type... " >&6; }
-if test "${ac_cv_host+set}" = set; then :
+if ${ac_cv_host+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
 fi
 
 fi
@@ -2448,7 +2510,7 @@ fi
 $as_echo "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical host" "$LINENO" 5;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
 esac
 host=$ac_cv_host
 ac_save_IFS=$IFS; IFS='-'
@@ -2466,14 +2528,14 @@ case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
 $as_echo_n "checking target system type... " >&6; }
-if test "${ac_cv_target+set}" = set; then :
+if ${ac_cv_target+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$target_alias" = x; then
   ac_cv_target=$ac_cv_host
 else
   ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` ||
-    as_fn_error "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
 fi
 
 fi
@@ -2481,7 +2543,7 @@ fi
 $as_echo "$ac_cv_target" >&6; }
 case $ac_cv_target in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical target" "$LINENO" 5;;
+*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;;
 esac
 target=$ac_cv_target
 ac_save_IFS=$IFS; IFS='-'
@@ -2507,7 +2569,8 @@ test -n "$target_alias" &&
 
 ac_config_headers="$ac_config_headers config.h"
 
-am__api_version="1.9"
+am__api_version='1.14'
+
 # Find a good install program.  We prefer a C program (faster),
 # so one script is as good as another.  But avoid the broken or
 # incompatible versions:
@@ -2525,7 +2588,7 @@ am__api_version="1.9"
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
 $as_echo_n "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if test "${ac_cv_path_install+set}" = set; then :
+if ${ac_cv_path_install+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -2545,7 +2608,7 @@ case $as_dir/ in #((
     # by default.
     for ac_prog in ginstall scoinst install; do
       for ac_exec_ext in '' $ac_executable_extensions; do
-	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
+	if as_fn_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.
@@ -2603,43 +2666,71 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
 $as_echo_n "checking whether build environment is sane... " >&6; }
-# Just in case
-sleep 1
-echo timestamp > conftest.file
-# Do `set' in a subshell so we don't clobber the current shell's
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[\\\"\#\$\&\'\`$am_lf]*)
+    as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;;
+esac
+case $srcdir in
+  *[\\\"\#\$\&\'\`$am_lf\ \	]*)
+    as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;;
+esac
+
+# Do 'set' in a subshell so we don't clobber the current shell's
 # arguments.  Must try -L first in case configure is actually a
 # symlink; some systems play weird games with the mod time of symlinks
 # (eg FreeBSD returns the mod time of the symlink's containing
 # directory).
 if (
-   set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
-   if test "$*" = "X"; then
-      # -L didn't work.
-      set X `ls -t $srcdir/configure conftest.file`
-   fi
-   rm -f conftest.file
-   if test "$*" != "X $srcdir/configure conftest.file" \
-      && test "$*" != "X conftest.file $srcdir/configure"; then
-
-      # If neither matched, then we have a broken ls.  This can happen
-      # if, for instance, CONFIG_SHELL is bash and it inherits a
-      # broken ls alias from the environment.  This has actually
-      # happened.  Such a system could not be considered "sane".
-      as_fn_error "ls -t appears to fail.  Make sure there is not a broken
-alias in your environment" "$LINENO" 5
-   fi
-
+   am_has_slept=no
+   for am_try in 1 2; do
+     echo "timestamp, slept: $am_has_slept" > conftest.file
+     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+     if test "$*" = "X"; then
+	# -L didn't work.
+	set X `ls -t "$srcdir/configure" conftest.file`
+     fi
+     if test "$*" != "X $srcdir/configure conftest.file" \
+	&& test "$*" != "X conftest.file $srcdir/configure"; then
+
+	# If neither matched, then we have a broken ls.  This can happen
+	# if, for instance, CONFIG_SHELL is bash and it inherits a
+	# broken ls alias from the environment.  This has actually
+	# happened.  Such a system could not be considered "sane".
+	as_fn_error $? "ls -t appears to fail.  Make sure there is not a broken
+  alias in your environment" "$LINENO" 5
+     fi
+     if test "$2" = conftest.file || test $am_try -eq 2; then
+       break
+     fi
+     # Just in case.
+     sleep 1
+     am_has_slept=yes
+   done
    test "$2" = conftest.file
    )
 then
    # Ok.
    :
 else
-   as_fn_error "newly created file is older than distributed files!
+   as_fn_error $? "newly created file is older than distributed files!
 Check your system clock" "$LINENO" 5
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+  ( sleep 1 ) &
+  am_sleep_pid=$!
+fi
+
+rm -f conftest.file
+
 test "$program_prefix" != NONE &&
   program_transform_name="s&^&$program_prefix&;$program_transform_name"
 # Use a double $ so make ignores it.
@@ -2653,48 +2744,173 @@ program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
 # expand $ac_aux_dir to an absolute path
 am_aux_dir=`cd $ac_aux_dir && pwd`
 
-test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
+if test x"${MISSING+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
+  *)
+    MISSING="\${SHELL} $am_aux_dir/missing" ;;
+  esac
+fi
 # Use eval to expand $SHELL
-if eval "$MISSING --run true"; then
-  am_missing_run="$MISSING --run "
+if eval "$MISSING --is-lightweight"; then
+  am_missing_run="$MISSING "
 else
   am_missing_run=
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`missing' script is too old or missing" >&5
-$as_echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
-fi
-
-if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
-  # We used to keeping the `.' as first argument, in order to
-  # allow $(mkdir_p) to be used without argument.  As in
-  #   $(mkdir_p) $(somedir)
-  # where $(somedir) is conditionally defined.  However this is wrong
-  # for two reasons:
-  #  1. if the package is installed by a user who cannot write `.'
-  #     make install will fail,
-  #  2. the above comment should most certainly read
-  #     $(mkdir_p) $(DESTDIR)$(somedir)
-  #     so it does not work when $(somedir) is undefined and
-  #     $(DESTDIR) is not.
-  #  To support the latter case, we have to write
-  #     test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
-  #  so the `.' trick is pointless.
-  mkdir_p='mkdir -p --'
-else
-  # On NextStep and OpenStep, the `mkdir' command does not
-  # recognize any option.  It will interpret all options as
-  # directories to create, and then abort because `.' already
-  # exists.
-  for d in ./-p ./--version;
-  do
-    test -d $d && rmdir $d
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
+$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
+fi
+
+if test x"${install_sh}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip".  However 'strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the 'STRIP' environment variable to overrule this program.
+if test "$cross_compiling" != no; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_STRIP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$STRIP"; then
+  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$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 '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+$as_echo "$STRIP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+  ac_ct_STRIP=$STRIP
+  # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_STRIP"; then
+  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$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 '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_STRIP="strip"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
   done
-  # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
-  if test -f "$ac_aux_dir/mkinstalldirs"; then
-    mkdir_p='$(mkinstalldirs)'
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+$as_echo "$ac_ct_STRIP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_STRIP" = x; then
+    STRIP=":"
   else
-    mkdir_p='$(install_sh) -d'
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    STRIP=$ac_ct_STRIP
+  fi
+else
+  STRIP="$ac_cv_prog_STRIP"
+fi
+
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5
+$as_echo_n "checking for a thread-safe mkdir -p... " >&6; }
+if test -z "$MKDIR_P"; then
+  if ${ac_cv_path_mkdir+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in mkdir gmkdir; do
+	 for ac_exec_ext in '' $ac_executable_extensions; do
+	   as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext" || continue
+	   case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #(
+	     'mkdir (GNU coreutils) '* | \
+	     'mkdir (coreutils) '* | \
+	     'mkdir (fileutils) '4.1*)
+	       ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext
+	       break 3;;
+	   esac
+	 done
+       done
+  done
+IFS=$as_save_IFS
+
+fi
+
+  test -d ./--version && rmdir ./--version
+  if test "${ac_cv_path_mkdir+set}" = set; then
+    MKDIR_P="$ac_cv_path_mkdir -p"
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for MKDIR_P within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    MKDIR_P="$ac_install_sh -d"
   fi
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
+$as_echo "$MKDIR_P" >&6; }
 
 for ac_prog in gawk mawk nawk awk
 do
@@ -2702,7 +2918,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AWK+set}" = set; then :
+if ${ac_cv_prog_AWK+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AWK"; then
@@ -2714,7 +2930,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_AWK="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2742,7 +2958,7 @@ done
 $as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
 set x ${MAKE-make}
 ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat >conftest.make <<\_ACEOF
@@ -2750,7 +2966,7 @@ SHELL = /bin/sh
 all:
 	@echo '@@@%%%=$(MAKE)=@@@%%%'
 _ACEOF
-# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+# GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
 case `${MAKE-make} -f conftest.make 2>/dev/null` in
   *@@@%%%=?*=@@@%%%*)
     eval ac_cv_prog_make_${ac_make}_set=yes;;
@@ -2778,10 +2994,53 @@ else
 fi
 rmdir .tst 2>/dev/null
 
-# test to see if srcdir already configured
-if test "`cd $srcdir && pwd`" != "`pwd`" &&
-   test -f $srcdir/config.status; then
-  as_fn_error "source directory already configured; run \"make distclean\" there first" "$LINENO" 5
+# Check whether --enable-silent-rules was given.
+if test "${enable_silent_rules+set}" = set; then :
+  enableval=$enable_silent_rules;
+fi
+
+case $enable_silent_rules in # (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=1;;
+esac
+am_make=${MAKE-make}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
+$as_echo_n "checking whether $am_make supports nested variables... " >&6; }
+if ${am_cv_make_support_nested_variables+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if $as_echo 'TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
+$as_echo "$am_cv_make_support_nested_variables" >&6; }
+if test $am_cv_make_support_nested_variables = yes; then
+    AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AM_BACKSLASH='\'
+
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  am__isrc=' -I$(srcdir)'
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5
+  fi
 fi
 
 # test whether we have cygpath
@@ -2795,8 +3054,8 @@ fi
 
 
 # Define the identity of the package.
- PACKAGE=iftop
- VERSION="1.0pre1"
+ PACKAGE='iftop'
+ VERSION='1.0pre4'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2824,126 +3083,70 @@ AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
 
 MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
 
-install_sh=${install_sh-"$am_aux_dir/install-sh"}
-
-# Installed binaries are usually stripped using `strip' when the user
-# run `make install-strip'.  However `strip' might not be the right
-# tool to use in cross-compilation environments, therefore Automake
-# will honor the `STRIP' environment variable to overrule this program.
-if test "$cross_compiling" != no; then
-  if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
-set dummy ${ac_tool_prefix}strip; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_STRIP+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$STRIP"; then
-  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
-else
-as_save_IFS=$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 '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-STRIP=$ac_cv_prog_STRIP
-if test -n "$STRIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
-$as_echo "$STRIP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+# For better backward compatibility.  To be removed once Automake 1.9.x
+# dies out for good.  For more background, see:
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+mkdir_p='$(MKDIR_P)'
 
+# We need awk for the "check" target.  The system "awk" is bad on
+# some platforms.
+# Always define AMTAR for backward compatibility.  Yes, it's still used
+# in the wild :-(  We should find a proper way to deprecate it ...
+AMTAR='$${TAR-tar}'
 
-fi
-if test -z "$ac_cv_prog_STRIP"; then
-  ac_ct_STRIP=$STRIP
-  # Extract the first word of "strip", so it can be a program name with args.
-set dummy strip; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_STRIP"; then
-  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
-else
-as_save_IFS=$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 '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_ac_ct_STRIP="strip"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
 
-fi
-fi
-ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
-if test -n "$ac_ct_STRIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
-$as_echo "$ac_ct_STRIP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar  pax cpio none'
 
-  if test "x$ac_ct_STRIP" = x; then
-    STRIP=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    STRIP=$ac_ct_STRIP
-  fi
-else
-  STRIP="$ac_cv_prog_STRIP"
-fi
+am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
 
-fi
-INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
 
-# We need awk for the "check" target.  The system "awk" is bad on
-# some platforms.
-# Always define AMTAR for backward compatibility.
 
-AMTAR=${AMTAR-"${am_missing_run}tar"}
 
-am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
 
 
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes.  So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
 
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present.  This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
 
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
 
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
 
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <http://www.gnu.org/software/coreutils/>.
 
-cat >>confdefs.h <<_ACEOF
-#define IFTOP_VERSION "$VERSION"
-_ACEOF
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
 
+END
+    as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5
+  fi
+fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -2955,7 +3158,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2967,7 +3170,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -2995,7 +3198,7 @@ if test -z "$ac_cv_prog_CC"; then
 set dummy gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -3007,7 +3210,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="gcc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -3048,7 +3251,7 @@ if test -z "$CC"; then
 set dummy ${ac_tool_prefix}cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3060,7 +3263,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -3088,7 +3291,7 @@ if test -z "$CC"; then
 set dummy cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3101,7 +3304,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_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
@@ -3147,7 +3350,7 @@ if test -z "$CC"; then
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3159,7 +3362,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -3191,7 +3394,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -3203,7 +3406,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -3245,8 +3448,8 @@ fi
 
 test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "no acceptable C compiler found in \$PATH
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "no acceptable C compiler found in \$PATH
+See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
 $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -3360,9 +3563,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "C compiler cannot create executables
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "C compiler cannot create executables
+See \`config.log' for more details" "$LINENO" 5; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
@@ -3404,8 +3606,8 @@ done
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -3462,9 +3664,9 @@ $as_echo "$ac_try_echo"; } >&5
     else
 	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run C compiled programs.
+as_fn_error $? "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
@@ -3475,7 +3677,7 @@ rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 $as_echo_n "checking for suffix of object files... " >&6; }
-if test "${ac_cv_objext+set}" = set; then :
+if ${ac_cv_objext+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3515,8 +3717,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
@@ -3526,7 +3728,7 @@ OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
 $as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+if ${ac_cv_c_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3563,7 +3765,7 @@ ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then :
+if ${ac_cv_prog_cc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -3641,7 +3843,7 @@ else
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
 $as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then :
+if ${ac_cv_prog_cc_c89+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -3650,8 +3852,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+struct stat;
 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
 struct buf { int x; };
 FILE * (*rcsopen) (struct buf *, struct stat *, int);
@@ -3735,6 +3936,65 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ac_ext=c
+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
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5
+$as_echo_n "checking whether $CC understands -c and -o together... " >&6; }
+if ${am_cv_prog_cc_c_o+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+  # Make sure it works both with $CC and with simple cc.
+  # Following AC_PROG_CC_C_O, we do the test twice because some
+  # compilers refuse to overwrite an existing .o file with -o,
+  # though they will create one.
+  am_cv_prog_cc_c_o=yes
+  for am_i in 1 2; do
+    if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5
+   ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } \
+         && test -f conftest2.$ac_objext; then
+      : OK
+    else
+      am_cv_prog_cc_c_o=no
+      break
+    fi
+  done
+  rm -f core conftest*
+  unset am_i
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
+$as_echo "$am_cv_prog_cc_c_o" >&6; }
+if test "$am_cv_prog_cc_c_o" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
 DEPDIR="${am__leading_dot}deps"
 
 ac_config_commands="$ac_config_commands depfiles"
@@ -3743,7 +4003,7 @@ ac_config_commands="$ac_config_commands depfiles"
 am_make=${MAKE-make}
 cat > confinc << 'END'
 am__doit:
-	@echo done
+	@echo this is the am__doit target
 .PHONY: am__doit
 END
 # If we don't find an include directive, just comment out the code.
@@ -3754,24 +4014,24 @@ am__quote=
 _am_result=none
 # First try GNU make style include.
 echo "include confinc" > confmf
-# We grep out `Entering directory' and `Leaving directory'
-# messages which can occur if `w' ends up in MAKEFLAGS.
-# In particular we don't look at `^make:' because GNU make might
-# be invoked under some other name (usually "gmake"), in which
-# case it prints its new name instead of `make'.
-if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
-   am__include=include
-   am__quote=
-   _am_result=GNU
-fi
+# Ignore all kinds of additional output from 'make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+  am__include=include
+  am__quote=
+  _am_result=GNU
+  ;;
+esac
 # Now try BSD make style include.
 if test "$am__include" = "#"; then
    echo '.include "confinc"' > confmf
-   if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
-      am__include=.include
-      am__quote="\""
-      _am_result=BSD
-   fi
+   case `$am_make -s -f confmf 2> /dev/null` in #(
+   *the\ am__doit\ target*)
+     am__include=.include
+     am__quote="\""
+     _am_result=BSD
+     ;;
+   esac
 fi
 
 
@@ -3787,10 +4047,9 @@ fi
 if test "x$enable_dependency_tracking" != xno; then
   am_depcomp="$ac_aux_dir/depcomp"
   AMDEPBACKSLASH='\'
+  am__nodep='_no'
 fi
-
-
-if test "x$enable_dependency_tracking" != xno; then
+ if test "x$enable_dependency_tracking" != xno; then
   AMDEP_TRUE=
   AMDEP_FALSE='#'
 else
@@ -3800,20 +4059,20 @@ fi
 
 
 
-
 depcc="$CC"   am_compiler_list=
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
 $as_echo_n "checking dependency style of $depcc... " >&6; }
-if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then :
+if ${am_cv_CC_dependencies_compiler_type+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
-  # making a dummy file named `D' -- because `-MD' means `put the output
-  # in D'.
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
   mkdir conftest.dir
   # Copy depcomp to subdir because otherwise we won't find it if we're
   # using a relative directory.
@@ -3831,6 +4090,11 @@ else
   if test "$am_compiler_list" = ""; then
      am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
   fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
   for depmode in $am_compiler_list; do
     # Setup a source with many dependencies, because some compilers
     # like to wrap large dependency lists on column 80 (with \), and
@@ -3842,34 +4106,49 @@ else
     : > sub/conftest.c
     for i in 1 2 3 4 5 6; do
       echo '#include "conftst'$i'.h"' >> sub/conftest.c
-      # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
-      # Solaris 8's {/usr,}/bin/sh.
-      touch sub/conftst$i.h
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
     done
     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
 
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
     case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
     nosideeffect)
-      # after this tag, mechanisms are not by side-effect, so they'll
-      # only be used when explicitly requested
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
       if test "x$enable_dependency_tracking" = xyes; then
 	continue
       else
 	break
       fi
       ;;
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
     none) break ;;
     esac
-    # We check with `-c' and `-o' for the sake of the "dashmstdout"
-    # mode.  It turns out that the SunPro C++ compiler does not properly
-    # handle `-M -o', and we need to detect this.
     if depmode=$depmode \
-       source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
+       source=sub/conftest.c object=$am__obj \
        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
-       $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
          >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
-       grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
       # icc doesn't choke on unknown options, it will just issue warnings
       # or remarks (even with -Werror).  So we grep stderr for any message
@@ -3897,9 +4176,7 @@ fi
 $as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
 CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
 
-
-
-if
+ if
   test "x$enable_dependency_tracking" != xno \
   && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
   am__fastdepCC_TRUE=
@@ -3923,7 +4200,7 @@ if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then :
+  if ${ac_cv_prog_CPP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -3953,7 +4230,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -3969,11 +4246,11 @@ else
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
   break
 fi
@@ -4012,7 +4289,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -4028,18 +4305,18 @@ else
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
 
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -4051,7 +4328,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then :
+if ${ac_cv_path_GREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -4065,7 +4342,7 @@ do
     for ac_prog in grep ggrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+      as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
 case `"$ac_path_GREP" --version 2>&1` in
@@ -4100,7 +4377,7 @@ esac
   done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_GREP"; then
-    as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_GREP=$GREP
@@ -4114,7 +4391,7 @@ $as_echo "$ac_cv_path_GREP" >&6; }
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then :
+if ${ac_cv_path_EGREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -4131,7 +4408,7 @@ do
     for ac_prog in egrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+      as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
 case `"$ac_path_EGREP" --version 2>&1` in
@@ -4166,7 +4443,7 @@ esac
   done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_EGREP"; then
-    as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_EGREP=$EGREP
@@ -4181,7 +4458,7 @@ $as_echo "$ac_cv_path_EGREP" >&6; }
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then :
+if ${ac_cv_header_stdc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4319,8 +4596,7 @@ do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
 "
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -4330,12 +4606,11 @@ fi
 done
 
 
-for ac_header in sys/ioctl.h sys/time.h sys/sockio.h unistd.h
+for ac_header in sgtty.h sys/ioctl.h sys/time.h sys/sockio.h termio.h termios.h unistd.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -4347,7 +4622,7 @@ done
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
 $as_echo_n "checking for an ANSI C-conforming const... " >&6; }
-if test "${ac_cv_c_const+set}" = set; then :
+if ${ac_cv_c_const+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4356,11 +4631,11 @@ else
 int
 main ()
 {
-/* FIXME: Include the comments suggested by Paul. */
+
 #ifndef __cplusplus
-  /* Ultrix mips cc rejects this.  */
+  /* Ultrix mips cc rejects this sort of thing.  */
   typedef int charset[2];
-  const charset cs;
+  const charset cs = { 0, 0 };
   /* SunOS 4.1.1 cc rejects this.  */
   char const *const *pcpcc;
   char **ppc;
@@ -4377,8 +4652,9 @@ main ()
   ++pcpcc;
   ppc = (char**) pcpcc;
   pcpcc = (char const *const *) ppc;
-  { /* SCO 3.2v4 cc rejects this.  */
-    char *t;
+  { /* SCO 3.2v4 cc rejects this sort of thing.  */
+    char tx;
+    char *t = &tx;
     char const *s = 0 ? (char *) 0 : (char const *) 0;
 
     *t++ = 0;
@@ -4394,10 +4670,10 @@ main ()
     iptr p = 0;
     ++p;
   }
-  { /* AIX XL C 1.02.0.0 rejects this saying
+  { /* AIX XL C 1.02.0.0 rejects this sort of thing, saying
        "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
-    struct s { int j; const int *ap[3]; };
-    struct s *b; b->j = 5;
+    struct s { int j; const int *ap[3]; } bx;
+    struct s *b = &bx; b->j = 5;
   }
   { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
     const int foo = 10;
@@ -4426,7 +4702,7 @@ $as_echo "#define const /**/" >>confdefs.h
 fi
 
 ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
-if test "x$ac_cv_type_size_t" = x""yes; then :
+if test "x$ac_cv_type_size_t" = xyes; then :
 
 else
 
@@ -4438,7 +4714,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether time.h and sys/time.h may both be included" >&5
 $as_echo_n "checking whether time.h and sys/time.h may both be included... " >&6; }
-if test "${ac_cv_header_time+set}" = set; then :
+if ${ac_cv_header_time+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4474,7 +4750,7 @@ fi
 
 
 ac_fn_c_check_header_mongrel "$LINENO" "sys/dlpi.h" "ac_cv_header_sys_dlpi_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_dlpi_h" = x""yes; then :
+if test "x$ac_cv_header_sys_dlpi_h" = xyes; then :
 
 $as_echo "#define HAVE_DLPI 1" >>confdefs.h
 
@@ -4486,8 +4762,7 @@ for ac_func in regcomp select strdup strerror strspn
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -4498,7 +4773,7 @@ done
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing socket" >&5
 $as_echo_n "checking for library containing socket... " >&6; }
-if test "${ac_cv_search_socket+set}" = set; then :
+if ${ac_cv_search_socket+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -4532,11 +4807,11 @@ for ac_lib in '' socket; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_socket+set}" = set; then :
+  if ${ac_cv_search_socket+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_socket+set}" = set; then :
+if ${ac_cv_search_socket+:} false; then :
 
 else
   ac_cv_search_socket=no
@@ -4554,7 +4829,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log" >&5
 $as_echo_n "checking for library containing log... " >&6; }
-if test "${ac_cv_search_log+set}" = set; then :
+if ${ac_cv_search_log+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -4588,11 +4863,11 @@ for ac_lib in '' m; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_log+set}" = set; then :
+  if ${ac_cv_search_log+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_log+set}" = set; then :
+if ${ac_cv_search_log+:} false; then :
 
 else
   ac_cv_search_log=no
@@ -4609,12 +4884,12 @@ if test "$ac_res" != no; then :
 fi
 
 ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
-if test "x$ac_cv_func_gethostbyname" = x""yes; then :
+if test "x$ac_cv_func_gethostbyname" = xyes; then :
 
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lnsl" >&5
 $as_echo_n "checking for gethostbyname in -lnsl... " >&6; }
-if test "${ac_cv_lib_nsl_gethostbyname+set}" = set; then :
+if ${ac_cv_lib_nsl_gethostbyname+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -4648,7 +4923,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_gethostbyname" >&5
 $as_echo "$ac_cv_lib_nsl_gethostbyname" >&6; }
-if test "x$ac_cv_lib_nsl_gethostbyname" = x""yes; then :
+if test "x$ac_cv_lib_nsl_gethostbyname" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBNSL 1
 _ACEOF
@@ -4662,7 +4937,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing inet_aton" >&5
 $as_echo_n "checking for library containing inet_aton... " >&6; }
-if test "${ac_cv_search_inet_aton+set}" = set; then :
+if ${ac_cv_search_inet_aton+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -4696,11 +4971,11 @@ for ac_lib in '' socket nsl; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_inet_aton+set}" = set; then :
+  if ${ac_cv_search_inet_aton+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_inet_aton+set}" = set; then :
+if ${ac_cv_search_inet_aton+:} false; then :
 
 else
   ac_cv_search_inet_aton=no
@@ -4718,7 +4993,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing inet_pton" >&5
 $as_echo_n "checking for library containing inet_pton... " >&6; }
-if test "${ac_cv_search_inet_pton+set}" = set; then :
+if ${ac_cv_search_inet_pton+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -4752,11 +5027,11 @@ for ac_lib in '' socket nsl; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_inet_pton+set}" = set; then :
+  if ${ac_cv_search_inet_pton+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_inet_pton+set}" = set; then :
+if ${ac_cv_search_inet_pton+:} false; then :
 
 else
   ac_cv_search_inet_pton=no
@@ -4776,8 +5051,7 @@ for ac_func in inet_aton inet_pton
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -4854,8 +5128,7 @@ if test $size_u_int8_t != 1 || test $size_u_int16_t != 2 || test $size_u_int32_t
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -4872,7 +5145,7 @@ done
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of unsigned short int" >&5
 $as_echo_n "checking size of unsigned short int... " >&6; }
-if test "${ac_cv_sizeof_unsigned_short_int+set}" = set; then :
+if ${ac_cv_sizeof_unsigned_short_int+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (unsigned short int))" "ac_cv_sizeof_unsigned_short_int"        "$ac_includes_default"; then :
@@ -4881,9 +5154,8 @@ else
   if test "$ac_cv_type_unsigned_short_int" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (unsigned short int)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (unsigned short int)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_unsigned_short_int=0
    fi
@@ -4906,7 +5178,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of unsigned int" >&5
 $as_echo_n "checking size of unsigned int... " >&6; }
-if test "${ac_cv_sizeof_unsigned_int+set}" = set; then :
+if ${ac_cv_sizeof_unsigned_int+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (unsigned int))" "ac_cv_sizeof_unsigned_int"        "$ac_includes_default"; then :
@@ -4915,9 +5187,8 @@ else
   if test "$ac_cv_type_unsigned_int" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (unsigned int)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (unsigned int)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_unsigned_int=0
    fi
@@ -4940,7 +5211,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of unsigned long int" >&5
 $as_echo_n "checking size of unsigned long int... " >&6; }
-if test "${ac_cv_sizeof_unsigned_long_int+set}" = set; then :
+if ${ac_cv_sizeof_unsigned_long_int+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (unsigned long int))" "ac_cv_sizeof_unsigned_long_int"        "$ac_includes_default"; then :
@@ -4949,9 +5220,8 @@ else
   if test "$ac_cv_type_unsigned_long_int" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (unsigned long int)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (unsigned long int)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_unsigned_long_int=0
    fi
@@ -4982,7 +5252,7 @@ if test x$specified_resolver = xguess ; then
         use_getnameinfo=0
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing getnameinfo" >&5
 $as_echo_n "checking for library containing getnameinfo... " >&6; }
-if test "${ac_cv_search_getnameinfo+set}" = set; then :
+if ${ac_cv_search_getnameinfo+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -5016,11 +5286,11 @@ for ac_lib in '' nsl; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_getnameinfo+set}" = set; then :
+  if ${ac_cv_search_getnameinfo+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_getnameinfo+set}" = set; then :
+if ${ac_cv_search_getnameinfo+:} false; then :
 
 else
   ac_cv_search_getnameinfo=no
@@ -5051,7 +5321,7 @@ fi
 if test x$resolver = xnetdb ; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing gethostbyaddr_r" >&5
 $as_echo_n "checking for library containing gethostbyaddr_r... " >&6; }
-if test "${ac_cv_search_gethostbyaddr_r+set}" = set; then :
+if ${ac_cv_search_gethostbyaddr_r+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -5085,11 +5355,11 @@ for ac_lib in '' nsl; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_gethostbyaddr_r+set}" = set; then :
+  if ${ac_cv_search_gethostbyaddr_r+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_gethostbyaddr_r+set}" = set; then :
+if ${ac_cv_search_gethostbyaddr_r+:} false; then :
 
 else
   ac_cv_search_gethostbyaddr_r=no
@@ -5108,7 +5378,7 @@ else
 fi
 
     if test x$resolver = xguess && test x$specified_resolver != xguess ; then
-              as_fn_error "no library defines gethostbyaddr_r" "$LINENO" 5
+              as_fn_error $? "no library defines gethostbyaddr_r" "$LINENO" 5
     fi
 fi
 
@@ -5151,7 +5421,7 @@ fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
     if test x$resolver = xguess && test x$specified_resolver != xguess ; then
-              as_fn_error "gethostbyaddr_r has no known calling convention" "$LINENO" 5
+              as_fn_error $? "gethostbyaddr_r has no known calling convention" "$LINENO" 5
     fi
 fi
 
@@ -5188,7 +5458,7 @@ fi
            { $as_echo "$as_me:${as_lineno-$LINENO}: result: gethostbyaddr_r doesn't work, so we'll try something else" >&5
 $as_echo "gethostbyaddr_r doesn't work, so we'll try something else" >&6; }
         else
-                      as_fn_error "gethostbyaddr_r doesn't work" "$LINENO" 5
+                      as_fn_error $? "gethostbyaddr_r doesn't work" "$LINENO" 5
         fi
     fi
 fi
@@ -5202,7 +5472,7 @@ fi
 if test x$resolver = xares ; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing ares_init" >&5
 $as_echo_n "checking for library containing ares_init... " >&6; }
-if test "${ac_cv_search_ares_init+set}" = set; then :
+if ${ac_cv_search_ares_init+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -5236,11 +5506,11 @@ for ac_lib in '' ares; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_ares_init+set}" = set; then :
+  if ${ac_cv_search_ares_init+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_ares_init+set}" = set; then :
+if ${ac_cv_search_ares_init+:} false; then :
 
 else
   ac_cv_search_ares_init=no
@@ -5260,7 +5530,7 @@ $as_echo "#define USE_ARES 1" >>confdefs.h
 
 else
 
-                as_fn_error "can't find ARES.  Re-run configure and ask for a different resolver." "$LINENO" 5
+                as_fn_error $? "can't find ARES.  Re-run configure and ask for a different resolver." "$LINENO" 5
 fi
 
 fi
@@ -5272,7 +5542,7 @@ fi
 if test x$resolver = xnetdb_1thread || test x$resolver = xforking ; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing gethostbyaddr" >&5
 $as_echo_n "checking for library containing gethostbyaddr... " >&6; }
-if test "${ac_cv_search_gethostbyaddr+set}" = set; then :
+if ${ac_cv_search_gethostbyaddr+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -5306,11 +5576,11 @@ for ac_lib in '' nsl; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_gethostbyaddr+set}" = set; then :
+  if ${ac_cv_search_gethostbyaddr+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_gethostbyaddr+set}" = set; then :
+if ${ac_cv_search_gethostbyaddr+:} false; then :
 
 else
   ac_cv_search_gethostbyaddr=no
@@ -5326,7 +5596,7 @@ if test "$ac_res" != no; then :
 
 else
 
-        as_fn_error "gethostbyaddr is not available.  You will have to
+        as_fn_error $? "gethostbyaddr is not available.  You will have to
   recompile with no name resolution at all." "$LINENO" 5
 fi
 
@@ -5375,7 +5645,7 @@ $as_echo "$test_prefix/include$x" >&6; }
         break
 
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
     done
     if test $foundpcaph = 1 ; then
         break
@@ -5385,7 +5655,7 @@ done
 if test $foundpcaph = 0 ; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no idea" >&5
 $as_echo "no idea" >&6; }
-    as_fn_error "can't find pcap.h
+    as_fn_error $? "can't find pcap.h
   You're not going to get very far without libpcap." "$LINENO" 5
 else
         if test x$test_prefix != x ; then
@@ -5393,7 +5663,7 @@ else
     fi
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pcap_open_live in -lpcap" >&5
 $as_echo_n "checking for pcap_open_live in -lpcap... " >&6; }
-if test "${ac_cv_lib_pcap_pcap_open_live+set}" = set; then :
+if ${ac_cv_lib_pcap_pcap_open_live+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5427,7 +5697,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pcap_pcap_open_live" >&5
 $as_echo "$ac_cv_lib_pcap_pcap_open_live" >&6; }
-if test "x$ac_cv_lib_pcap_pcap_open_live" = x""yes; then :
+if test "x$ac_cv_lib_pcap_pcap_open_live" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPCAP 1
 _ACEOF
@@ -5436,7 +5706,7 @@ _ACEOF
 
 else
 
-            as_fn_error "can't find libpcap
+            as_fn_error $? "can't find libpcap
   You're not going to get very far without libpcap." "$LINENO" 5
 
 fi
@@ -5448,8 +5718,7 @@ for ac_header in pcap.h pcap/pcap.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -5463,7 +5732,7 @@ done
 
 
 if test $foundpcap = 0 ; then
-    as_fn_error "can't find pcap.h
+    as_fn_error $? "can't find pcap.h
   You're not going to get very far without libpcap." "$LINENO" 5
 fi
 
@@ -5471,12 +5740,12 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a curses library containing mvchgat" >&5
 $as_echo_n "checking for a curses library containing mvchgat... " >&6; }
 oldLIBS=$LIBS
-for curseslib in curses ncurses ; do
+for curseslib in ncursesw curses ncurses ; do
     LIBS="$oldLIBS -l$curseslib"
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-#include <curses.h>
+#include <$curseslib.h>
 
 int
 main ()
@@ -5501,7 +5770,7 @@ done
 if test x$foundcurseslib = x ; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: none found" >&5
 $as_echo "none found" >&6; }
-    as_fn_error "Curses! Foiled again!
+    as_fn_error $? "Curses! Foiled again!
   (Can't find a curses library supporting mvchgat.)
   Consider installing ncurses." "$LINENO" 5
 else
@@ -5543,7 +5812,7 @@ done
 if test $thrfail = 1 ; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no idea" >&5
 $as_echo "no idea" >&6; }
-    as_fn_error "can't figure out how to compile with POSIX threads
+    as_fn_error $? "can't figure out how to compile with POSIX threads
   If your system actually supports POSIX threads, this means we've messed up." "$LINENO" 5
 fi
 
@@ -5563,7 +5832,7 @@ if ac_fn_c_try_run "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 else
-  as_fn_error "it fails.  We probably guessed the wrong CFLAGS." "$LINENO" 5
+  as_fn_error $? "it fails.  We probably guessed the wrong CFLAGS." "$LINENO" 5
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
@@ -5664,10 +5933,21 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    test "x$cache_file" != "x/dev/null" &&
+    if test "x$cache_file" != "x/dev/null"; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-    cat confcache >$cache_file
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+	cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+	  mv -f confcache "$cache_file"$$ &&
+	  mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+	  mv -f confcache "$cache_file" ;;
+	esac
+      fi
+    fi
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
@@ -5683,6 +5963,7 @@ DEFS=-DHAVE_CONFIG_H
 
 ac_libobjs=
 ac_ltlibobjs=
+U=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
@@ -5697,16 +5978,32 @@ LIBOBJS=$ac_libobjs
 LTLIBOBJS=$ac_ltlibobjs
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5
+$as_echo_n "checking that generated files are newer than configure... " >&6; }
+   if test -n "$am_sleep_pid"; then
+     # Hide warnings about reused PIDs.
+     wait $am_sleep_pid 2>/dev/null
+   fi
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: done" >&5
+$as_echo "done" >&6; }
+ if test -n "$EXEEXT"; then
+  am__EXEEXT_TRUE=
+  am__EXEEXT_FALSE='#'
+else
+  am__EXEEXT_TRUE='#'
+  am__EXEEXT_FALSE=
+fi
+
 if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
-  as_fn_error "conditional \"AMDEP\" was never defined.
+  as_fn_error $? "conditional \"AMDEP\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
 if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
-  as_fn_error "conditional \"am__fastdepCC\" was never defined.
+  as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
 
-: ${CONFIG_STATUS=./config.status}
+: "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
@@ -5807,6 +6104,7 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5852,19 +6150,19 @@ export LANGUAGE
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 
-# as_fn_error ERROR [LINENO LOG_FD]
-# ---------------------------------
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
 # Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
 # provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with status $?, using 1 if that was 0.
+# script with STATUS, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$?; test $as_status -eq 0 && as_status=1
-  if test "$3"; then
-    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  $as_echo "$as_me: error: $1" >&2
+  $as_echo "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -6002,16 +6300,16 @@ if (echo >conf$$.file) 2>/dev/null; then
     # ... but there are two gotchas:
     # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
     # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
+      as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
     as_ln_s=ln
   else
-    as_ln_s='cp -p'
+    as_ln_s='cp -pR'
   fi
 else
-  as_ln_s='cp -p'
+  as_ln_s='cp -pR'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
@@ -6060,7 +6358,7 @@ $as_echo X"$as_dir" |
       test -d "$as_dir" && break
     done
     test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
 
 
 } # as_fn_mkdir_p
@@ -6071,28 +6369,16 @@ else
   as_mkdir_p=false
 fi
 
-if test -x / >/dev/null 2>&1; then
-  as_test_x='test -x'
-else
-  if ls -dL / >/dev/null 2>&1; then
-    as_ls_L_option=L
-  else
-    as_ls_L_option=
-  fi
-  as_test_x='
-    eval sh -c '\''
-      if test -d "$1"; then
-	test -d "$1/.";
-      else
-	case $1 in #(
-	-*)set "./$1";;
-	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
-	???[sx]*):;;*)false;;esac;fi
-    '\'' sh
-  '
-fi
-as_executable_p=$as_test_x
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -6113,8 +6399,8 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by $as_me, which was
-generated by GNU Autoconf 2.65.  Invocation command line was
+This file was extended by iftop $as_me 1.0pre4, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -6173,23 +6459,25 @@ $config_headers
 Configuration commands:
 $config_commands
 
-Report bugs to the package provider."
+Report bugs to <pdw@ex-parrot.com>.
+iftop home page: <http://www.ex-parrot.com/pdw/iftop/>."
 
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-config.status
-configured by $0, generated by GNU Autoconf 2.65,
+iftop config.status 1.0pre4
+configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2009 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
 ac_pwd='$ac_pwd'
 srcdir='$srcdir'
 INSTALL='$INSTALL'
+MKDIR_P='$MKDIR_P'
 AWK='$AWK'
 test -n "\$AWK" || AWK=awk
 _ACEOF
@@ -6200,11 +6488,16 @@ ac_need_defaults=:
 while test $# != 0
 do
   case $1 in
-  --*=*)
+  --*=?*)
     ac_option=`expr "X$1" : 'X\([^=]*\)='`
     ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
     ac_shift=:
     ;;
+  --*=)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=
+    ac_shift=:
+    ;;
   *)
     ac_option=$1
     ac_optarg=$2
@@ -6226,6 +6519,7 @@ do
     $ac_shift
     case $ac_optarg in
     *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    '') as_fn_error $? "missing file argument" ;;
     esac
     as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
@@ -6238,7 +6532,7 @@ do
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    as_fn_error "ambiguous option: \`$1'
+    as_fn_error $? "ambiguous option: \`$1'
 Try \`$0 --help' for more information.";;
   --help | --hel | -h )
     $as_echo "$ac_cs_usage"; exit ;;
@@ -6247,7 +6541,7 @@ Try \`$0 --help' for more information.";;
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error "unrecognized option: \`$1'
+  -*) as_fn_error $? "unrecognized option: \`$1'
 Try \`$0 --help' for more information." ;;
 
   *) as_fn_append ac_config_targets " $1"
@@ -6267,7 +6561,7 @@ fi
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
-  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
   \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
   CONFIG_SHELL='$SHELL'
@@ -6306,7 +6600,7 @@ do
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
     "config/Makefile") CONFIG_FILES="$CONFIG_FILES config/Makefile" ;;
 
-  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -6329,9 +6623,10 @@ fi
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp=
+  tmp= ac_tmp=
   trap 'exit_status=$?
-  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
 ' 0
   trap 'as_fn_exit 1' 1 2 13 15
 }
@@ -6339,12 +6634,13 @@ $debug ||
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
+  test -d "$tmp"
 }  ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
+ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -6361,12 +6657,12 @@ if test "x$ac_cr" = x; then
 fi
 ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
 if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
-  ac_cs_awk_cr='\r'
+  ac_cs_awk_cr='\\r'
 else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -6375,18 +6671,18 @@ _ACEOF
   echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
   echo "_ACEOF"
 } >conf$$subs.sh ||
-  as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
-ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
+  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   . ./conf$$subs.sh ||
-    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
 
   ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
   if test $ac_delim_n = $ac_delim_num; then
     break
   elif $ac_last_try; then
-    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -6394,7 +6690,7 @@ done
 rm -f conf$$subs.sh
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
 h
@@ -6442,7 +6738,7 @@ t delim
 rm -f conf$$subs.awk
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
 
@@ -6474,21 +6770,29 @@ if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
   sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
 else
   cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
-  || as_fn_error "could not setup config files machinery" "$LINENO" 5
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
+  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
+# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
-s/:*\$(srcdir):*/:/
-s/:*\${srcdir}:*/:/
-s/:*@srcdir@:*/:/
-s/^\([^=]*=[	 ]*\):*/\1/
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
+h
+s///
+s/^/:/
+s/[	 ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
 s/:*$//
+x
+s/\(=[	 ]*\).*/\1/
+G
+s/\n//
 s/^[^=]*=[	 ]*$//
 }'
 fi
@@ -6500,7 +6804,7 @@ fi # test -n "$CONFIG_FILES"
 # No need to generate them if there are no CONFIG_HEADERS.
 # This happens for instance with `./config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
-cat >"$tmp/defines.awk" <<\_ACAWK ||
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
@@ -6512,11 +6816,11 @@ _ACEOF
 # handling of long lines.
 ac_delim='%!_!# '
 for ac_last_try in false false :; do
-  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_t"; then
+  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_tt"; then
     break
   elif $ac_last_try; then
-    as_fn_error "could not make $CONFIG_HEADERS" "$LINENO" 5
+    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -6601,7 +6905,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
 _ACEOF
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  as_fn_error "could not setup config headers machinery" "$LINENO" 5
+  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
 fi # test -n "$CONFIG_HEADERS"
 
 
@@ -6614,7 +6918,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -6633,7 +6937,7 @@ do
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$tmp/stdin";;
+      -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
 	 # because $ac_f cannot contain `:'.
@@ -6642,7 +6946,7 @@ do
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
@@ -6668,8 +6972,8 @@ $as_echo "$as_me: creating $ac_file" >&6;}
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
   esac
@@ -6743,6 +7047,11 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
   [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
   *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
   esac
+  ac_MKDIR_P=$MKDIR_P
+  case $MKDIR_P in
+  [\\/$]* | ?:[\\/]* ) ;;
+  */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;;
+  esac
 _ACEOF
 
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
@@ -6797,25 +7106,27 @@ s&@builddir@&$ac_builddir&;t t
 s&@abs_builddir@&$ac_abs_builddir&;t t
 s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 s&@INSTALL@&$ac_INSTALL&;t t
+s&@MKDIR_P@&$ac_MKDIR_P&;t t
 $ac_datarootdir_hack
 "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
+  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
+      "$ac_tmp/out"`; test -z "$ac_out"; } &&
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&5
+which seems to be undefined.  Please make sure it is defined" >&5
 $as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&2;}
+which seems to be undefined.  Please make sure it is defined" >&2;}
 
-  rm -f "$tmp/stdin"
+  rm -f "$ac_tmp/stdin"
   case $ac_file in
-  -) cat "$tmp/out" && rm -f "$tmp/out";;
-  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
+  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
   esac \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
  ;;
   :H)
   #
@@ -6824,38 +7135,39 @@ which seems to be undefined.  Please make sure it is defined." >&2;}
   if test x"$ac_file" != x-; then
     {
       $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
-    } >"$tmp/config.h" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5
-    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
+    } >"$ac_tmp/config.h" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
 $as_echo "$as_me: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
-      mv "$tmp/config.h" "$ac_file" \
-	|| as_fn_error "could not create $ac_file" "$LINENO" 5
+      mv "$ac_tmp/config.h" "$ac_file" \
+	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
     fi
   else
     $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
-      || as_fn_error "could not create -" "$LINENO" 5
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error $? "could not create -" "$LINENO" 5
   fi
 # Compute "$ac_file"'s index in $config_headers.
+_am_arg="$ac_file"
 _am_stamp_count=1
 for _am_header in $config_headers :; do
   case $_am_header in
-    "$ac_file" | "$ac_file":* )
+    $_am_arg | $_am_arg:* )
       break ;;
     * )
       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
   esac
 done
-echo "timestamp for "$ac_file"" >`$as_dirname -- "$ac_file" ||
-$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$ac_file" : 'X\(//\)[^/]' \| \
-	 X"$ac_file" : 'X\(//\)$' \| \
-	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$ac_file" |
+echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" ||
+$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$_am_arg" : 'X\(//\)[^/]' \| \
+	 X"$_am_arg" : 'X\(//\)$' \| \
+	 X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$_am_arg" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -6882,17 +7194,28 @@ $as_echo "$as_me: executing $ac_file commands" >&6;}
 
 
   case $ac_file$ac_mode in
-    "depfiles":C) test x"$AMDEP_TRUE" != x"" || for mf in $CONFIG_FILES; do
-  # Strip MF so we end up with the name of the file.
-  mf=`echo "$mf" | sed -e 's/:.*$//'`
-  # Check whether this is an Automake generated Makefile or not.
-  # We used to match only the files named `Makefile.in', but
-  # some people rename them; so instead we look at the file content.
-  # Grep'ing the first line is not enough: some people post-process
-  # each Makefile.in and add a new line on top of each file to say so.
-  # So let's grep whole file.
-  if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then
-    dirpart=`$as_dirname -- "$mf" ||
+    "depfiles":C) test x"$AMDEP_TRUE" != x"" || {
+  # Older Autoconf quotes --file arguments for eval, but not when files
+  # are listed without --file.  Let's play safe and only enable the eval
+  # if we detect the quoting.
+  case $CONFIG_FILES in
+  *\'*) eval set x "$CONFIG_FILES" ;;
+  *)   set x $CONFIG_FILES ;;
+  esac
+  shift
+  for mf
+  do
+    # Strip MF so we end up with the name of the file.
+    mf=`echo "$mf" | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile or not.
+    # We used to match only the files named 'Makefile.in', but
+    # some people rename them; so instead we look at the file content.
+    # Grep'ing the first line is not enough: some people post-process
+    # each Makefile.in and add a new line on top of each file to say so.
+    # Grep'ing the whole file is not good either: AIX grep has a line
+    # limit of 2048, but all sed's we know have understand at least 4000.
+    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+      dirpart=`$as_dirname -- "$mf" ||
 $as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$mf" : 'X\(//\)[^/]' \| \
 	 X"$mf" : 'X\(//\)$' \| \
@@ -6915,28 +7238,26 @@ $as_echo X"$mf" |
 	    q
 	  }
 	  s/.*/./; q'`
-  else
-    continue
-  fi
-  # Extract the definition of DEPDIR, am__include, and am__quote
-  # from the Makefile without running `make'.
-  DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
-  test -z "$DEPDIR" && continue
-  am__include=`sed -n 's/^am__include = //p' < "$mf"`
-  test -z "am__include" && continue
-  am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
-  # When using ansi2knr, U may be empty or an underscore; expand it
-  U=`sed -n 's/^U = //p' < "$mf"`
-  # Find all dependency output files, they are included files with
-  # $(DEPDIR) in their names.  We invoke sed twice because it is the
-  # simplest approach to changing $(DEPDIR) to its actual value in the
-  # expansion.
-  for file in `sed -n "
-    s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
-       sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
-    # Make sure the directory exists.
-    test -f "$dirpart/$file" && continue
-    fdir=`$as_dirname -- "$file" ||
+    else
+      continue
+    fi
+    # Extract the definition of DEPDIR, am__include, and am__quote
+    # from the Makefile without running 'make'.
+    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+    test -z "$DEPDIR" && continue
+    am__include=`sed -n 's/^am__include = //p' < "$mf"`
+    test -z "$am__include" && continue
+    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+    # Find all dependency output files, they are included files with
+    # $(DEPDIR) in their names.  We invoke sed twice because it is the
+    # simplest approach to changing $(DEPDIR) to its actual value in the
+    # expansion.
+    for file in `sed -n "
+      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
+      # Make sure the directory exists.
+      test -f "$dirpart/$file" && continue
+      fdir=`$as_dirname -- "$file" ||
 $as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$file" : 'X\(//\)[^/]' \| \
 	 X"$file" : 'X\(//\)$' \| \
@@ -6959,11 +7280,12 @@ $as_echo X"$file" |
 	    q
 	  }
 	  s/.*/./; q'`
-    as_dir=$dirpart/$fdir; as_fn_mkdir_p
-    # echo "creating $dirpart/$file"
-    echo '# dummy' > "$dirpart/$file"
+      as_dir=$dirpart/$fdir; as_fn_mkdir_p
+      # echo "creating $dirpart/$file"
+      echo '# dummy' > "$dirpart/$file"
+    done
   done
-done
+}
  ;;
 
   esac
@@ -6975,7 +7297,7 @@ _ACEOF
 ac_clean_files=$ac_clean_files_save
 
 test $ac_write_fail = 0 ||
-  as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5
+  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
 
 
 # configure is writing to config.log, and then calls config.status.
@@ -6996,7 +7318,7 @@ if test "$no_create" != yes; then
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || as_fn_exit $?
+  $ac_cs_success || as_fn_exit 1
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
@@ -7004,7 +7326,7 @@ $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
 
-if echo $VERSION | grep 'pre' ; then
+if echo $PACKAGE_VERSION | grep 'pre' > /dev/null ; then
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
 ******************************************************************************