diff --git a/INSTALL b/INSTALL
index fe591c7dae..a1e189eb9f 100644
--- a/INSTALL
+++ b/INSTALL
@@ -591,7 +591,7 @@ build the GNU C Library:
 
 If you change any of the ‘configure.ac’ files you will also need
 
-   • GNU ‘autoconf’ 2.69 (exactly)
+   • GNU ‘autoconf’ 2.71 (exactly)
 
 and if you change any of the message translation files you will need
 
diff --git a/aclocal.m4 b/aclocal.m4
index 213835e1d5..a097d66a49 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -2,7 +2,7 @@ dnl We require that everyone use exactly the same Autoconf version so that
 dnl the internal functions defined and used by the main configure script
 dnl match those expected by the fragments.  When changing this version,
 dnl install.texi also needs to be updated.
-m4_define([GLIBC_AUTOCONF_VERSION], [2.69])
+m4_define([GLIBC_AUTOCONF_VERSION], [2.71])
 m4_if(m4_defn([AC_AUTOCONF_VERSION]), GLIBC_AUTOCONF_VERSION, [],
       [m4_fatal(m4_flatten(
 Exactly version GLIBC_AUTOCONF_VERSION of Autoconf is required but you have
diff --git a/configure b/configure
index f84040644b..11538ee1b3 100755
--- a/configure
+++ b/configure
@@ -1,11 +1,12 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for GNU C Library (see version.h).
+# Generated by GNU Autoconf 2.71 for GNU C Library (see version.h).
 #
 # Report bugs to <https://sourceware.org/bugzilla/>.
 #
 #
-# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
+# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
+# Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -16,14 +17,16 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+as_nop=:
+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else
+else $as_nop
   case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
@@ -33,46 +36,46 @@ esac
 fi
 
 
+
+# Reset variables that may have inherited troublesome values from
+# the environment.
+
+# IFS needs to be set, to space, tab, and newline, in precisely that order.
+# (If _AS_PATH_WALK were called with IFS unset, it would have the
+# side effect of setting IFS to empty, thus disabling word splitting.)
+# Quoting is to prevent editors from complaining about space-tab.
 as_nl='
 '
 export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-# Prefer a ksh shell builtin over an external printf program on Solaris,
-# but without wasting forks for bash or zsh.
-if test -z "$BASH_VERSION$ZSH_VERSION" \
-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='print -r --'
-  as_echo_n='print -rn --'
-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in #(
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
+IFS=" ""	$as_nl"
+
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# Ensure predictable behavior from utilities with locale-dependent output.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# We cannot yet rely on "unset" to work, but we need these variables
+# to be unset--not just set to an empty or harmless value--now, to
+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
+# also avoids known problems related to "unset" and subshell syntax
+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
+do eval test \${$as_var+y} \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+
+# Ensure that fds 0, 1, and 2 are open.
+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
+if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
 
 # The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
+if ${PATH_SEPARATOR+false} :; then
   PATH_SEPARATOR=:
   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
     (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -81,13 +84,6 @@ if test "${PATH_SEPARATOR+set}" != set; then
 fi
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.  Quoting is
-# there to prevent editors from complaining about space-tab.
-# (If _AS_PATH_WALK were called with IFS unset, it would disable word
-# splitting by setting IFS to empty value.)
-IFS=" ""	$as_nl"
-
 # Find who we are.  Look in the path if we contain no directory separator.
 as_myself=
 case $0 in #((
@@ -96,8 +92,12 @@ case $0 in #((
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
   done
 IFS=$as_save_IFS
 
@@ -109,30 +109,10 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
-# Unset variables that we do not need and which cause bugs (e.g. in
-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
-# suppresses any "Segmentation fault" message there.  '((' could
-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-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.
@@ -154,20 +134,22 @@ 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
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
   fi
   # We don't want this to propagate to other subprocesses.
           { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
-  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
+  as_bourne_compatible="as_nop=:
+if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '\${1+\"\$@\"}'='\"\$@\"'
   setopt NO_GLOB_SUBST
-else
+else \$as_nop
   case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
@@ -187,41 +169,52 @@ as_fn_success || { exitcode=1; echo as_fn_success failed.; }
 as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
 as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
 as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
-if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
+if ( set x; as_fn_ret_success y && test x = \"\$1\" )
+then :
 
-else
+else \$as_nop
   exitcode=1; echo positional parameters were not saved.
 fi
 test x\$exitcode = x0 || exit 1
+blah=\$(echo \$(echo blah))
+test x\"\$blah\" = xblah || 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'\" &&
   test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1"
-  if (eval "$as_required") 2>/dev/null; then :
+  if (eval "$as_required") 2>/dev/null
+then :
   as_have_required=yes
-else
+else $as_nop
   as_have_required=no
 fi
-  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
+then :
 
-else
+else $as_nop
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
   as_found=:
   case $as_dir in #(
 	 /*)
 	   for as_base in sh bash ksh sh5; do
 	     # Try only shells that exist, to save several forks.
-	     as_shell=$as_dir/$as_base
+	     as_shell=$as_dir$as_base
 	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
-		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
+		    as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
   CONFIG_SHELL=$as_shell as_have_required=yes
-		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
+		   if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null
+then :
   break 2
 fi
 fi
@@ -229,14 +222,21 @@ fi
        esac
   as_found=false
 done
-$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
-	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
-  CONFIG_SHELL=$SHELL as_have_required=yes
-fi; }
 IFS=$as_save_IFS
+if $as_found
+then :
 
+else $as_nop
+  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi
+fi
 
-      if test "x$CONFIG_SHELL" != x; then :
+
+      if test "x$CONFIG_SHELL" != x
+then :
   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
@@ -254,18 +254,19 @@ 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
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
 fi
 
-    if test x$as_have_required = xno; then :
-  $as_echo "$0: This script requires a shell more modern than all"
-  $as_echo "$0: the shells that I found on your system."
-  if test x${ZSH_VERSION+set} = xset ; then
-    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
-    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
+    if test x$as_have_required = xno
+then :
+  printf "%s\n" "$0: This script requires a shell more modern than all"
+  printf "%s\n" "$0: the shells that I found on your system."
+  if test ${ZSH_VERSION+y} ; then
+    printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later."
   else
-    $as_echo "$0: Please tell bug-autoconf@gnu.org and
+    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org and
 $0: https://sourceware.org/bugzilla/ about your system,
 $0: including any error possibly output before this
 $0: message. Then install a modern shell, or manually run
@@ -293,6 +294,7 @@ as_fn_unset ()
 }
 as_unset=as_fn_unset
 
+
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -310,6 +312,14 @@ as_fn_exit ()
   as_fn_set_status $1
   exit $1
 } # as_fn_exit
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
 
 # as_fn_mkdir_p
 # -------------
@@ -324,7 +334,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -333,7 +343,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
+printf "%s\n" X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -372,12 +382,13 @@ as_fn_executable_p ()
 # advantage of any shell optimizations that allow amortized linear growth over
 # repeated appends, instead of the typical quadratic growth present in naive
 # implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
+then :
   eval 'as_fn_append ()
   {
     eval $1+=\$2
   }'
-else
+else $as_nop
   as_fn_append ()
   {
     eval $1=\$$1\$2
@@ -389,18 +400,27 @@ fi # as_fn_append
 # Perform arithmetic evaluation on the ARGs, and store the result in the
 # global $as_val. Take advantage of shells that can avoid forks. The arguments
 # must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
   eval 'as_fn_arith ()
   {
     as_val=$(( $* ))
   }'
-else
+else $as_nop
   as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
   }
 fi # as_fn_arith
 
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
 # ----------------------------------------
@@ -412,9 +432,9 @@ as_fn_error ()
   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" >&$4
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  $as_echo "$as_me: error: $2" >&2
+  printf "%s\n" "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -441,7 +461,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
+printf "%s\n" X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -485,7 +505,7 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+    { printf "%s\n" "$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 $CONFIG_SHELL, we're ensured to have
   # already done that, so ensure we don't try to do so again and fall
@@ -499,6 +519,10 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
   exit
 }
 
+
+# Determine whether it's possible to make 'echo' print without a newline.
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
+# for compatibility with existing Makefiles.
 ECHO_C= ECHO_N= ECHO_T=
 case `echo -n x` in #(((((
 -n*)
@@ -512,6 +536,13 @@ case `echo -n x` in #(((((
   ECHO_N='-n';;
 esac
 
+# For backward compatibility with old third-party macros, we provide
+# the shell variables $as_echo and $as_echo_n.  New code should use
+# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
+as_echo='printf %s\n'
+as_echo_n='printf %s'
+
+
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -723,6 +754,7 @@ infodir
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -834,6 +866,7 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -863,8 +896,6 @@ do
   *)    ac_optarg=yes ;;
   esac
 
-  # Accept the important Cygnus configure options, so we can diagnose typos.
-
   case $ac_dashdash$ac_option in
   --)
     ac_dashdash=yes ;;
@@ -905,9 +936,9 @@ 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 "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -931,9 +962,9 @@ 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 "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -1086,6 +1117,15 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1135,9 +1175,9 @@ do
     ac_useropt=`expr "x$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 "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1151,9 +1191,9 @@ 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 "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1197,9 +1237,9 @@ Try \`$0 --help' for more information"
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    printf "%s\n" "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+      printf "%s\n" "$as_me: WARNING: invalid host type: $ac_option" >&2
     : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
@@ -1215,7 +1255,7 @@ if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
     fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
-    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+    *)     printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
 
@@ -1223,7 +1263,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1279,7 +1319,7 @@ $as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_myself" : 'X\(//\)[^/]' \| \
 	 X"$as_myself" : 'X\(//\)$' \| \
 	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_myself" |
+printf "%s\n" X"$as_myself" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -1376,6 +1416,7 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -1490,7 +1531,7 @@ it to find libraries and programs with nonstandard names/locations.
 
 Report bugs to <https://sourceware.org/bugzilla/>.
 GNU C Library home page: <https://www.gnu.org/software/glibc/>.
-General help using GNU software: <http://www.gnu.org/gethelp/>.
+General help using GNU software: <https://www.gnu.org/gethelp/>.
 _ACEOF
 ac_status=$?
 fi
@@ -1506,9 +1547,9 @@ if test "$ac_init_help" = "recursive"; then
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -1536,7 +1577,8 @@ esac
 ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
 
     cd "$ac_dir" || { ac_status=$?; continue; }
-    # Check for guested configure.
+    # Check for configure.gnu first; this name is used for a wrapper for
+    # Metaconfig's "Configure" on case-insensitive file systems.
     if test -f "$ac_srcdir/configure.gnu"; then
       echo &&
       $SHELL "$ac_srcdir/configure.gnu" --help=recursive
@@ -1544,7 +1586,7 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
       echo &&
       $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+      printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi || ac_status=$?
     cd "$ac_pwd" || { ac_status=$?; break; }
   done
@@ -1554,9 +1596,9 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 GNU C Library configure (see version.h)
-generated by GNU Autoconf 2.69
+generated by GNU Autoconf 2.71
 
-Copyright (C) 2012 Free Software Foundation, Inc.
+Copyright (C) 2021 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1573,14 +1615,14 @@ fi
 ac_fn_c_try_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext
+  rm -f conftest.$ac_objext conftest.beam
   if { { ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1588,14 +1630,15 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then :
+       } && test -s conftest.$ac_objext
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1611,14 +1654,14 @@ fi
 ac_fn_cxx_try_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext
+  rm -f conftest.$ac_objext conftest.beam
   if { { ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1626,14 +1669,15 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_cxx_werror_flag" ||
 	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then :
+       } && test -s conftest.$ac_objext
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1649,14 +1693,14 @@ fi
 ac_fn_cxx_try_link ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest$ac_exeext
+  rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext
   if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1664,17 +1708,18 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_cxx_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext && {
 	 test "$cross_compiling" = yes ||
 	 test -x conftest$ac_exeext
-       }; then :
+       }
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1695,14 +1740,14 @@ fi
 ac_fn_c_try_link ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest$ac_exeext
+  rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext
   if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1710,17 +1755,18 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext && {
 	 test "$cross_compiling" = yes ||
 	 test -x conftest$ac_exeext
-       }; then :
+       }
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1747,7 +1793,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1755,14 +1801,15 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } > conftest.i && {
 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 	 test ! -s conftest.err
-       }; then :
+       }
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
@@ -1771,14 +1818,34 @@ fi
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_cpp
+ac_configure_args_raw=
+for ac_arg
+do
+  case $ac_arg in
+  *\'*)
+    ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+  esac
+  as_fn_append ac_configure_args_raw " '$ac_arg'"
+done
+
+case $ac_configure_args_raw in
+  *$as_nl*)
+    ac_safe_unquote= ;;
+  *)
+    ac_unsafe_z='|&;<>()$`\\"*?[ ''	' # This string ends in space, tab.
+    ac_unsafe_a="$ac_unsafe_z#~"
+    ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g"
+    ac_configure_args_raw=`      printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;;
+esac
+
 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 GNU C Library $as_me (see version.h), which was
-generated by GNU Autoconf 2.69.  Invocation command line was
+generated by GNU Autoconf 2.71.  Invocation command line was
 
-  $ $0 $@
+  $ $0$ac_configure_args_raw
 
 _ACEOF
 exec 5>>config.log
@@ -1811,8 +1878,12 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    $as_echo "PATH: $as_dir"
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    printf "%s\n" "PATH: $as_dir"
   done
 IFS=$as_save_IFS
 
@@ -1847,7 +1918,7 @@ do
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
     *\'*)
-      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+      ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
     1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
@@ -1882,11 +1953,13 @@ done
 # WARNING: Use '\'' to represent an apostrophe within the trap.
 # WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
 trap 'exit_status=$?
+  # Sanitize IFS.
+  IFS=" ""	$as_nl"
   # Save into config.log some information that might help in debugging.
   {
     echo
 
-    $as_echo "## ---------------- ##
+    printf "%s\n" "## ---------------- ##
 ## Cache variables. ##
 ## ---------------- ##"
     echo
@@ -1897,8 +1970,8 @@ trap 'exit_status=$?
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
@@ -1922,7 +1995,7 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
 )
     echo
 
-    $as_echo "## ----------------- ##
+    printf "%s\n" "## ----------------- ##
 ## Output variables. ##
 ## ----------------- ##"
     echo
@@ -1930,14 +2003,14 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
     do
       eval ac_val=\$$ac_var
       case $ac_val in
-      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
       esac
-      $as_echo "$ac_var='\''$ac_val'\''"
+      printf "%s\n" "$ac_var='\''$ac_val'\''"
     done | sort
     echo
 
     if test -n "$ac_subst_files"; then
-      $as_echo "## ------------------- ##
+      printf "%s\n" "## ------------------- ##
 ## File substitutions. ##
 ## ------------------- ##"
       echo
@@ -1945,15 +2018,15 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       do
 	eval ac_val=\$$ac_var
 	case $ac_val in
-	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	*\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
 	esac
-	$as_echo "$ac_var='\''$ac_val'\''"
+	printf "%s\n" "$ac_var='\''$ac_val'\''"
       done | sort
       echo
     fi
 
     if test -s confdefs.h; then
-      $as_echo "## ----------- ##
+      printf "%s\n" "## ----------- ##
 ## confdefs.h. ##
 ## ----------- ##"
       echo
@@ -1961,8 +2034,8 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       echo
     fi
     test "$ac_signal" != 0 &&
-      $as_echo "$as_me: caught signal $ac_signal"
-    $as_echo "$as_me: exit $exit_status"
+      printf "%s\n" "$as_me: caught signal $ac_signal"
+    printf "%s\n" "$as_me: exit $exit_status"
   } >&5
   rm -f core *.core core.conftest.* &&
     rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
@@ -1976,63 +2049,48 @@ ac_signal=0
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -f -r conftest* confdefs.h
 
-$as_echo "/* confdefs.h */" > confdefs.h
+printf "%s\n" "/* confdefs.h */" > confdefs.h
 
 # Predefined preprocessor variables.
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_NAME "$PACKAGE_NAME"
-_ACEOF
+printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
-_ACEOF
+printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_VERSION "$PACKAGE_VERSION"
-_ACEOF
+printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_STRING "$PACKAGE_STRING"
-_ACEOF
+printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
-_ACEOF
+printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_URL "$PACKAGE_URL"
-_ACEOF
+printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h
 
 
 # Let the site file select an alternate cache file if it wants to.
 # Prefer an explicitly selected file to automatically selected ones.
-ac_site_file1=NONE
-ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  # 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
+  ac_site_files="$CONFIG_SITE"
 elif test "x$prefix" != xNONE; then
-  ac_site_file1=$prefix/share/config.site
-  ac_site_file2=$prefix/etc/config.site
+  ac_site_files="$prefix/share/config.site $prefix/etc/config.site"
 else
-  ac_site_file1=$ac_default_prefix/share/config.site
-  ac_site_file2=$ac_default_prefix/etc/config.site
+  ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
 fi
-for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+
+for ac_site_file in $ac_site_files
 do
-  test "x$ac_site_file" = xNONE && continue
-  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
-$as_echo "$as_me: loading site script $ac_site_file" >&6;}
+  case $ac_site_file in #(
+  */*) :
+     ;; #(
+  *) :
+    ac_site_file=./$ac_site_file ;;
+esac
+  if test -f "$ac_site_file" && test -r "$ac_site_file"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file" \
-      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
 See \`config.log' for more details" "$LINENO" 5; }
   fi
@@ -2042,19 +2100,641 @@ if test -r "$cache_file"; then
   # Some versions of bash will fail to source /dev/null (special files
   # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
   if test /dev/null != "$cache_file" && test -f "$cache_file"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
-$as_echo "$as_me: loading cache $cache_file" >&6;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+printf "%s\n" "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . "$cache_file";;
       *)                      . "./$cache_file";;
     esac
   fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
-$as_echo "$as_me: creating cache $cache_file" >&6;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+printf "%s\n" "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
+# Test code for whether the C compiler supports C89 (global declarations)
+ac_c_conftest_c89_globals='
+/* Does the compiler advertise C89 conformance?
+   Do not test the value of __STDC__, because some compilers set it to 0
+   while being otherwise adequately conformant. */
+#if !defined __STDC__
+# error "Compiler does not advertise C89 conformance"
+#endif
+
+#include <stddef.h>
+#include <stdarg.h>
+struct stat;
+/* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */
+struct buf { int x; };
+struct buf * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not \xHH hex character constants.
+   These do not provoke an error unfortunately, instead are silently treated
+   as an "x".  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously \x00 != x always comes out true, for an
+   array size at least.  It is necessary to write \x00 == 0 to get something
+   that is true only with -std.  */
+int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) '\''x'\''
+int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int),
+               int, int);'
+
+# Test code for whether the C compiler supports C89 (body of main).
+ac_c_conftest_c89_main='
+ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);
+'
+
+# Test code for whether the C compiler supports C99 (global declarations)
+ac_c_conftest_c99_globals='
+// Does the compiler advertise C99 conformance?
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
+# error "Compiler does not advertise C99 conformance"
+#endif
+
+#include <stdbool.h>
+extern int puts (const char *);
+extern int printf (const char *, ...);
+extern int dprintf (int, const char *, ...);
+extern void *malloc (size_t);
+
+// Check varargs macros.  These examples are taken from C99 6.10.3.5.
+// dprintf is used instead of fprintf to avoid needing to declare
+// FILE and stderr.
+#define debug(...) dprintf (2, __VA_ARGS__)
+#define showlist(...) puts (#__VA_ARGS__)
+#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))
+static void
+test_varargs_macros (void)
+{
+  int x = 1234;
+  int y = 5678;
+  debug ("Flag");
+  debug ("X = %d\n", x);
+  showlist (The first, second, and third items.);
+  report (x>y, "x is %d but y is %d", x, y);
+}
+
+// Check long long types.
+#define BIG64 18446744073709551615ull
+#define BIG32 4294967295ul
+#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)
+#if !BIG_OK
+  #error "your preprocessor is broken"
+#endif
+#if BIG_OK
+#else
+  #error "your preprocessor is broken"
+#endif
+static long long int bignum = -9223372036854775807LL;
+static unsigned long long int ubignum = BIG64;
+
+struct incomplete_array
+{
+  int datasize;
+  double data[];
+};
+
+struct named_init {
+  int number;
+  const wchar_t *name;
+  double average;
+};
+
+typedef const char *ccp;
+
+static inline int
+test_restrict (ccp restrict text)
+{
+  // See if C++-style comments work.
+  // Iterate through items via the restricted pointer.
+  // Also check for declarations in for loops.
+  for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)
+    continue;
+  return 0;
+}
+
+// Check varargs and va_copy.
+static bool
+test_varargs (const char *format, ...)
+{
+  va_list args;
+  va_start (args, format);
+  va_list args_copy;
+  va_copy (args_copy, args);
+
+  const char *str = "";
+  int number = 0;
+  float fnumber = 0;
+
+  while (*format)
+    {
+      switch (*format++)
+	{
+	case '\''s'\'': // string
+	  str = va_arg (args_copy, const char *);
+	  break;
+	case '\''d'\'': // int
+	  number = va_arg (args_copy, int);
+	  break;
+	case '\''f'\'': // float
+	  fnumber = va_arg (args_copy, double);
+	  break;
+	default:
+	  break;
+	}
+    }
+  va_end (args_copy);
+  va_end (args);
+
+  return *str && number && fnumber;
+}
+'
+
+# Test code for whether the C compiler supports C99 (body of main).
+ac_c_conftest_c99_main='
+  // Check bool.
+  _Bool success = false;
+  success |= (argc != 0);
+
+  // Check restrict.
+  if (test_restrict ("String literal") == 0)
+    success = true;
+  char *restrict newvar = "Another string";
+
+  // Check varargs.
+  success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234);
+  test_varargs_macros ();
+
+  // Check flexible array members.
+  struct incomplete_array *ia =
+    malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
+  ia->datasize = 10;
+  for (int i = 0; i < ia->datasize; ++i)
+    ia->data[i] = i * 1.234;
+
+  // Check named initializers.
+  struct named_init ni = {
+    .number = 34,
+    .name = L"Test wide string",
+    .average = 543.34343,
+  };
+
+  ni.number = 58;
+
+  int dynamic_array[ni.number];
+  dynamic_array[0] = argv[0][0];
+  dynamic_array[ni.number - 1] = 543;
+
+  // work around unused variable warnings
+  ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\''
+	 || dynamic_array[ni.number - 1] != 543);
+'
+
+# Test code for whether the C compiler supports C11 (global declarations)
+ac_c_conftest_c11_globals='
+// Does the compiler advertise C11 conformance?
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
+# error "Compiler does not advertise C11 conformance"
+#endif
+
+// Check _Alignas.
+char _Alignas (double) aligned_as_double;
+char _Alignas (0) no_special_alignment;
+extern char aligned_as_int;
+char _Alignas (0) _Alignas (int) aligned_as_int;
+
+// Check _Alignof.
+enum
+{
+  int_alignment = _Alignof (int),
+  int_array_alignment = _Alignof (int[100]),
+  char_alignment = _Alignof (char)
+};
+_Static_assert (0 < -_Alignof (int), "_Alignof is signed");
+
+// Check _Noreturn.
+int _Noreturn does_not_return (void) { for (;;) continue; }
+
+// Check _Static_assert.
+struct test_static_assert
+{
+  int x;
+  _Static_assert (sizeof (int) <= sizeof (long int),
+                  "_Static_assert does not work in struct");
+  long int y;
+};
+
+// Check UTF-8 literals.
+#define u8 syntax error!
+char const utf8_literal[] = u8"happens to be ASCII" "another string";
+
+// Check duplicate typedefs.
+typedef long *long_ptr;
+typedef long int *long_ptr;
+typedef long_ptr long_ptr;
+
+// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1.
+struct anonymous
+{
+  union {
+    struct { int i; int j; };
+    struct { int k; long int l; } w;
+  };
+  int m;
+} v1;
+'
+
+# Test code for whether the C compiler supports C11 (body of main).
+ac_c_conftest_c11_main='
+  _Static_assert ((offsetof (struct anonymous, i)
+		   == offsetof (struct anonymous, w.k)),
+		  "Anonymous union alignment botch");
+  v1.i = 2;
+  v1.w.k = 5;
+  ok |= v1.i != 5;
+'
+
+# Test code for whether the C compiler supports C11 (complete).
+ac_c_conftest_c11_program="${ac_c_conftest_c89_globals}
+${ac_c_conftest_c99_globals}
+${ac_c_conftest_c11_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  ${ac_c_conftest_c99_main}
+  ${ac_c_conftest_c11_main}
+  return ok;
+}
+"
+
+# Test code for whether the C compiler supports C99 (complete).
+ac_c_conftest_c99_program="${ac_c_conftest_c89_globals}
+${ac_c_conftest_c99_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  ${ac_c_conftest_c99_main}
+  return ok;
+}
+"
+
+# Test code for whether the C compiler supports C89 (complete).
+ac_c_conftest_c89_program="${ac_c_conftest_c89_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  return ok;
+}
+"
+
+# Test code for whether the C++ compiler supports C++98 (global declarations)
+ac_cxx_conftest_cxx98_globals='
+// Does the compiler advertise C++98 conformance?
+#if !defined __cplusplus || __cplusplus < 199711L
+# error "Compiler does not advertise C++98 conformance"
+#endif
+
+// These inclusions are to reject old compilers that
+// lack the unsuffixed header files.
+#include <cstdlib>
+#include <exception>
+
+// <cassert> and <cstring> are *not* freestanding headers in C++98.
+extern void assert (int);
+namespace std {
+  extern int strcmp (const char *, const char *);
+}
+
+// Namespaces, exceptions, and templates were all added after "C++ 2.0".
+using std::exception;
+using std::strcmp;
+
+namespace {
+
+void test_exception_syntax()
+{
+  try {
+    throw "test";
+  } catch (const char *s) {
+    // Extra parentheses suppress a warning when building autoconf itself,
+    // due to lint rules shared with more typical C programs.
+    assert (!(strcmp) (s, "test"));
+  }
+}
+
+template <typename T> struct test_template
+{
+  T const val;
+  explicit test_template(T t) : val(t) {}
+  template <typename U> T add(U u) { return static_cast<T>(u) + val; }
+};
+
+} // anonymous namespace
+'
+
+# Test code for whether the C++ compiler supports C++98 (body of main)
+ac_cxx_conftest_cxx98_main='
+  assert (argc);
+  assert (! argv[0]);
+{
+  test_exception_syntax ();
+  test_template<double> tt (2.0);
+  assert (tt.add (4) == 6.0);
+  assert (true && !false);
+}
+'
+
+# Test code for whether the C++ compiler supports C++11 (global declarations)
+ac_cxx_conftest_cxx11_globals='
+// Does the compiler advertise C++ 2011 conformance?
+#if !defined __cplusplus || __cplusplus < 201103L
+# error "Compiler does not advertise C++11 conformance"
+#endif
+
+namespace cxx11test
+{
+  constexpr int get_val() { return 20; }
+
+  struct testinit
+  {
+    int i;
+    double d;
+  };
+
+  class delegate
+  {
+  public:
+    delegate(int n) : n(n) {}
+    delegate(): delegate(2354) {}
+
+    virtual int getval() { return this->n; };
+  protected:
+    int n;
+  };
+
+  class overridden : public delegate
+  {
+  public:
+    overridden(int n): delegate(n) {}
+    virtual int getval() override final { return this->n * 2; }
+  };
+
+  class nocopy
+  {
+  public:
+    nocopy(int i): i(i) {}
+    nocopy() = default;
+    nocopy(const nocopy&) = delete;
+    nocopy & operator=(const nocopy&) = delete;
+  private:
+    int i;
+  };
+
+  // for testing lambda expressions
+  template <typename Ret, typename Fn> Ret eval(Fn f, Ret v)
+  {
+    return f(v);
+  }
+
+  // for testing variadic templates and trailing return types
+  template <typename V> auto sum(V first) -> V
+  {
+    return first;
+  }
+  template <typename V, typename... Args> auto sum(V first, Args... rest) -> V
+  {
+    return first + sum(rest...);
+  }
+}
+'
+
+# Test code for whether the C++ compiler supports C++11 (body of main)
+ac_cxx_conftest_cxx11_main='
+{
+  // Test auto and decltype
+  auto a1 = 6538;
+  auto a2 = 48573953.4;
+  auto a3 = "String literal";
+
+  int total = 0;
+  for (auto i = a3; *i; ++i) { total += *i; }
+
+  decltype(a2) a4 = 34895.034;
+}
+{
+  // Test constexpr
+  short sa[cxx11test::get_val()] = { 0 };
+}
+{
+  // Test initializer lists
+  cxx11test::testinit il = { 4323, 435234.23544 };
+}
+{
+  // Test range-based for
+  int array[] = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3,
+                 14, 19, 17, 8, 6, 20, 16, 2, 11, 1};
+  for (auto &x : array) { x += 23; }
+}
+{
+  // Test lambda expressions
+  using cxx11test::eval;
+  assert (eval ([](int x) { return x*2; }, 21) == 42);
+  double d = 2.0;
+  assert (eval ([&](double x) { return d += x; }, 3.0) == 5.0);
+  assert (d == 5.0);
+  assert (eval ([=](double x) mutable { return d += x; }, 4.0) == 9.0);
+  assert (d == 5.0);
+}
+{
+  // Test use of variadic templates
+  using cxx11test::sum;
+  auto a = sum(1);
+  auto b = sum(1, 2);
+  auto c = sum(1.0, 2.0, 3.0);
+}
+{
+  // Test constructor delegation
+  cxx11test::delegate d1;
+  cxx11test::delegate d2();
+  cxx11test::delegate d3(45);
+}
+{
+  // Test override and final
+  cxx11test::overridden o1(55464);
+}
+{
+  // Test nullptr
+  char *c = nullptr;
+}
+{
+  // Test template brackets
+  test_template<::test_template<int>> v(test_template<int>(12));
+}
+{
+  // Unicode literals
+  char const *utf8 = u8"UTF-8 string \u2500";
+  char16_t const *utf16 = u"UTF-8 string \u2500";
+  char32_t const *utf32 = U"UTF-32 string \u2500";
+}
+'
+
+# Test code for whether the C compiler supports C++11 (complete).
+ac_cxx_conftest_cxx11_program="${ac_cxx_conftest_cxx98_globals}
+${ac_cxx_conftest_cxx11_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_cxx_conftest_cxx98_main}
+  ${ac_cxx_conftest_cxx11_main}
+  return ok;
+}
+"
+
+# Test code for whether the C compiler supports C++98 (complete).
+ac_cxx_conftest_cxx98_program="${ac_cxx_conftest_cxx98_globals}
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_cxx_conftest_cxx98_main}
+  return ok;
+}
+"
+
+
+# Auxiliary files required by this configure script.
+ac_aux_files="install-sh config.guess config.sub"
+
+# Locations in which to look for auxiliary files.
+ac_aux_dir_candidates="${srcdir}/scripts"
+
+# Search for a directory containing all of the required auxiliary files,
+# $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates.
+# If we don't find one directory that contains all the files we need,
+# we report the set of missing files from the *first* directory in
+# $ac_aux_dir_candidates and give up.
+ac_missing_aux_files=""
+ac_first_candidate=:
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in $ac_aux_dir_candidates
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+  as_found=:
+
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}:  trying $as_dir" >&5
+  ac_aux_dir_found=yes
+  ac_install_sh=
+  for ac_aux in $ac_aux_files
+  do
+    # As a special case, if "install-sh" is required, that requirement
+    # can be satisfied by any of "install-sh", "install.sh", or "shtool",
+    # and $ac_install_sh is set appropriately for whichever one is found.
+    if test x"$ac_aux" = x"install-sh"
+    then
+      if test -f "${as_dir}install-sh"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install-sh found" >&5
+        ac_install_sh="${as_dir}install-sh -c"
+      elif test -f "${as_dir}install.sh"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install.sh found" >&5
+        ac_install_sh="${as_dir}install.sh -c"
+      elif test -f "${as_dir}shtool"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}shtool found" >&5
+        ac_install_sh="${as_dir}shtool install -c"
+      else
+        ac_aux_dir_found=no
+        if $ac_first_candidate; then
+          ac_missing_aux_files="${ac_missing_aux_files} install-sh"
+        else
+          break
+        fi
+      fi
+    else
+      if test -f "${as_dir}${ac_aux}"; then
+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}${ac_aux} found" >&5
+      else
+        ac_aux_dir_found=no
+        if $ac_first_candidate; then
+          ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}"
+        else
+          break
+        fi
+      fi
+    fi
+  done
+  if test "$ac_aux_dir_found" = yes; then
+    ac_aux_dir="$as_dir"
+    break
+  fi
+  ac_first_candidate=false
+
+  as_found=false
+done
+IFS=$as_save_IFS
+if $as_found
+then :
+
+else $as_nop
+  as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5
+fi
+
+
+# These three variables are undocumented and unsupported,
+# and are intended to be withdrawn in a future Autoconf release.
+# They can cause serious problems if a builder's source tree is in a directory
+# whose full name contains unusual characters.
+if test -f "${ac_aux_dir}config.guess"; then
+  ac_config_guess="$SHELL ${ac_aux_dir}config.guess"
+fi
+if test -f "${ac_aux_dir}config.sub"; then
+  ac_config_sub="$SHELL ${ac_aux_dir}config.sub"
+fi
+if test -f "$ac_aux_dir/configure"; then
+  ac_configure="$SHELL ${ac_aux_dir}configure"
+fi
+
 # Check that the precious variables saved in the cache have kept the same
 # value.
 ac_cache_corrupted=false
@@ -2065,12 +2745,12 @@ for ac_var in $ac_precious_vars; do
   eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
-$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
@@ -2079,24 +2759,24 @@ $as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
 	ac_old_val_w=`echo x $ac_old_val`
 	ac_new_val_w=`echo x $ac_new_val`
 	if test "$ac_old_val_w" != "$ac_new_val_w"; then
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
-$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
 	  ac_cache_corrupted=:
 	else
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
-$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
 	  eval $ac_var=\$ac_old_val
 	fi
-	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
-$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
-	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
-$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
   if test "$ac_new_set" = set; then
     case $ac_new_val in
-    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
     *) ac_arg=$ac_var=$ac_new_val ;;
     esac
     case " $ac_configure_args " in
@@ -2106,11 +2786,12 @@ $as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
   fi
 done
 if $ac_cache_corrupted; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$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
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'
+	    and start over" "$LINENO" 5
 fi
 ## -------------------- ##
 ## Main body of script. ##
@@ -2126,46 +2807,19 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 ac_config_headers="$ac_config_headers config.h"
 
-ac_aux_dir=
-for ac_dir in scripts "$srcdir"/scripts; do
-  if test -f "$ac_dir/install-sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install-sh -c"
-    break
-  elif test -f "$ac_dir/install.sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install.sh -c"
-    break
-  elif test -f "$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 $? "cannot find install-sh, install.sh, or shtool in scripts \"$srcdir\"/scripts" "$LINENO" 5
-fi
-
-# These three variables are undocumented and unsupported,
-# and are intended to be withdrawn in a future Autoconf release.
-# They can cause serious problems if a builder's source tree is in a directory
-# whose full name contains unusual characters.
-ac_config_guess="$SHELL $ac_aux_dir/config.guess"  # Please don't use this var.
-ac_config_sub="$SHELL $ac_aux_dir/config.sub"  # Please don't use this var.
-ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
-
 
 
 
 
 # Check whether --with-pkgversion was given.
-if test "${with_pkgversion+set}" = set; then :
+if test ${with_pkgversion+y}
+then :
   withval=$with_pkgversion; case "$withval" in
       yes) as_fn_error $? "package version not specified" "$LINENO" 5 ;;
       no)  PKGVERSION= ;;
       *)   PKGVERSION="($withval) " ;;
      esac
-else
+else $as_nop
   PKGVERSION="(GNU libc) "
 
 fi
@@ -2177,7 +2831,8 @@ fi
 
 
 # Check whether --with-bugurl was given.
-if test "${with_bugurl+set}" = set; then :
+if test ${with_bugurl+y}
+then :
   withval=$with_bugurl; case "$withval" in
       yes) as_fn_error $? "bug URL not specified" "$LINENO" 5 ;;
       no)  BUGURL=
@@ -2185,7 +2840,7 @@ if test "${with_bugurl+set}" = set; then :
       *)   BUGURL="$withval"
 	   ;;
      esac
-else
+else $as_nop
   BUGURL="https://www.gnu.org/software/libc/bugs.html"
 
 fi
@@ -2204,14 +2859,10 @@ fi
 
 
 
-cat >>confdefs.h <<_ACEOF
-#define PKGVERSION "$PKGVERSION"
-_ACEOF
+printf "%s\n" "#define PKGVERSION \"$PKGVERSION\"" >>confdefs.h
 
 
-cat >>confdefs.h <<_ACEOF
-#define REPORT_BUGS_TO "$REPORT_BUGS_TO"
-_ACEOF
+printf "%s\n" "#define REPORT_BUGS_TO \"$REPORT_BUGS_TO\"" >>confdefs.h
 
 
 # Glibc should not depend on any header files
@@ -2232,26 +2883,30 @@ _ACEOF
 subdirs="$subdirs "
 
 
-# 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
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
-$as_echo_n "checking build system type... " >&6; }
-if ${ac_cv_build+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+
+
+  # Make sure we can run config.sub.
+$SHELL "${ac_aux_dir}config.sub" sun4 >/dev/null 2>&1 ||
+  as_fn_error $? "cannot run $SHELL ${ac_aux_dir}config.sub" "$LINENO" 5
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+printf %s "checking build system type... " >&6; }
+if test ${ac_cv_build+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
-  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
+  ac_build_alias=`$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
-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
+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
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-$as_echo "$ac_cv_build" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+printf "%s\n" "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
 *) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
@@ -2270,21 +2925,22 @@ IFS=$ac_save_IFS
 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 ${ac_cv_host+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+printf %s "checking host system type... " >&6; }
+if test ${ac_cv_host+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test "x$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
+  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
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-$as_echo "$ac_cv_host" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+printf "%s\n" "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
 *) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
@@ -2304,6 +2960,15 @@ case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 
 
 
+
+
+
+
+
+
+
+
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -2312,11 +2977,12 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2324,11 +2990,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$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$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2339,11 +3009,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2352,11 +3022,12 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
@@ -2364,11 +3035,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$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$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2379,11 +3054,11 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -2391,8 +3066,8 @@ fi
   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;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -2405,11 +3080,12 @@ if test -z "$CC"; then
           if test -n "$ac_tool_prefix"; then
     # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2417,11 +3093,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$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$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2432,11 +3112,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2445,11 +3125,12 @@ fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2458,15 +3139,19 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+  if as_fn_executable_p "$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
      fi
     ac_cv_prog_CC="cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2482,18 +3167,18 @@ if test $ac_prog_rejected = yes; then
     # However, it has the same basename, so the bogon will be chosen
     # first if we set CC to just the basename; use the full file name.
     shift
-    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+    ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
   fi
 fi
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2504,11 +3189,12 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2516,11 +3202,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$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$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2531,11 +3221,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2548,11 +3238,12 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
@@ -2560,11 +3251,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$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$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2575,11 +3270,11 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2591,34 +3286,138 @@ done
   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;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+fi
+
+fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args.
+set dummy ${ac_tool_prefix}clang; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    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_CC="${ac_tool_prefix}clang"
+    printf "%s\n" "$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
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "clang", so it can be a program name with args.
+set dummy clang; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    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_CC="clang"
+    printf "%s\n" "$as_me:${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_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
   fi
+else
+  CC="$ac_cv_prog_CC"
 fi
 
 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;}
+test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$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; }
 
 # Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
-for ac_option in --version -v -V -qversion; do
+for ac_option in --version -v -V -qversion -version; do
   { { ac_try="$ac_compiler $ac_option >&5"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -2628,21 +3427,22 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
   fi
   rm -f conftest.er1 conftest.err
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
 
 EXEEXT=
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
-$as_echo_n "checking for suffix of object files... " >&6; }
-if ${ac_cv_objext+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+printf %s "checking for suffix of object files... " >&6; }
+if test ${ac_cv_objext+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
@@ -2656,11 +3456,12 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+then :
   for ac_file in conftest.o conftest.obj conftest.*; do
   test -f "$ac_file" || continue;
   case $ac_file in
@@ -2669,31 +3470,32 @@ $as_echo "$ac_try_echo"; } >&5
        break;;
   esac
 done
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 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;}
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of object files: cannot compile
 See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
-$as_echo "$ac_cv_objext" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+printf "%s\n" "$ac_cv_objext" >&6; }
 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 ${ac_cv_c_compiler_gnu+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5
+printf %s "checking whether the compiler supports GNU C... " >&6; }
+if test ${ac_cv_c_compiler_gnu+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 #ifndef __GNUC__
        choke me
@@ -2703,29 +3505,33 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_compiler_gnu=yes
-else
+else $as_nop
   ac_compiler_gnu=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
-$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
 if test $ac_compiler_gnu = yes; then
   GCC=yes
 else
   GCC=
 fi
-ac_test_CFLAGS=${CFLAGS+set}
+ac_test_CFLAGS=${CFLAGS+y}
 ac_save_CFLAGS=$CFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
-$as_echo_n "checking whether $CC accepts -g... " >&6; }
-if ${ac_cv_prog_cc_g+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+printf %s "checking whether $CC accepts -g... " >&6; }
+if test ${ac_cv_prog_cc_g+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
@@ -2734,57 +3540,60 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_prog_cc_g=yes
-else
+else $as_nop
   CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
 
-else
+else $as_nop
   ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_prog_cc_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
    ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
-$as_echo "$ac_cv_prog_cc_g" >&6; }
-if test "$ac_test_CFLAGS" = set; then
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
+if test $ac_test_CFLAGS; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
   if test "$GCC" = yes; then
@@ -2799,6 +3608,145 @@ else
     CFLAGS=
   fi
 fi
+ac_prog_cc_stdc=no
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5
+printf %s "checking for $CC option to enable C11 features... " >&6; }
+if test ${ac_cv_prog_cc_c11+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c11=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c11_program
+_ACEOF
+for ac_arg in '' -std=gnu11
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c11=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c11" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c11" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c11" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
+     CC="$CC $ac_cv_prog_cc_c11"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
+  ac_prog_cc_stdc=c11
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5
+printf %s "checking for $CC option to enable C99 features... " >&6; }
+if test ${ac_cv_prog_cc_c99+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c99=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c99_program
+_ACEOF
+for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99=
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c99=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c99" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c99" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c99" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
+     CC="$CC $ac_cv_prog_cc_c99"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
+  ac_prog_cc_stdc=c99
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5
+printf %s "checking for $CC option to enable C89 features... " >&6; }
+if test ${ac_cv_prog_cc_c89+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c89_program
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c89=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
+
+if test "x$ac_cv_prog_cc_c89" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c89" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
+     CC="$CC $ac_cv_prog_cc_c89"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
+  ac_prog_cc_stdc=c89
+fi
+fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -2811,11 +3759,12 @@ if test $host != $build; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_BUILD_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_BUILD_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$BUILD_CC"; then
   ac_cv_prog_BUILD_CC="$BUILD_CC" # Let the user override the test.
 else
@@ -2823,11 +3772,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_BUILD_CC="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2838,11 +3791,11 @@ fi
 fi
 BUILD_CC=$ac_cv_prog_BUILD_CC
 if test -n "$BUILD_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BUILD_CC" >&5
-$as_echo "$BUILD_CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $BUILD_CC" >&5
+printf "%s\n" "$BUILD_CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2861,6 +3814,12 @@ fi
 
 
 # We need the C++ compiler only for testing.
+
+
+
+
+
+
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -2871,15 +3830,16 @@ if test -z "$CXX"; then
     CXX=$CCC
   else
     if test -n "$ac_tool_prefix"; then
-  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
@@ -2887,11 +3847,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2902,11 +3866,11 @@ fi
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
-$as_echo "$CXX" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
+printf "%s\n" "$CXX" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2915,15 +3879,16 @@ fi
 fi
 if test -z "$CXX"; then
   ac_ct_CXX=$CXX
-  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 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 ${ac_cv_prog_ac_ct_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CXX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$ac_ct_CXX"; then
   ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
 else
@@ -2931,11 +3896,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CXX="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2946,11 +3915,11 @@ fi
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
-$as_echo "$ac_ct_CXX" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
+printf "%s\n" "$ac_ct_CXX" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2962,8 +3931,8 @@ done
   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;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CXX=$ac_ct_CXX
@@ -2973,7 +3942,7 @@ fi
   fi
 fi
 # Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
 for ac_option in --version -v -V -qversion; do
@@ -2983,7 +3952,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -2993,20 +3962,21 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
   fi
   rm -f conftest.er1 conftest.err
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
 
-{ $as_echo "$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 ${ac_cv_cxx_compiler_gnu+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C++" >&5
+printf %s "checking whether the compiler supports GNU C++... " >&6; }
+if test ${ac_cv_cxx_compiler_gnu+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 #ifndef __GNUC__
        choke me
@@ -3016,29 +3986,33 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   ac_compiler_gnu=yes
-else
+else $as_nop
   ac_compiler_gnu=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
-$as_echo "$ac_cv_cxx_compiler_gnu" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
+printf "%s\n" "$ac_cv_cxx_compiler_gnu" >&6; }
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
 if test $ac_compiler_gnu = yes; then
   GXX=yes
 else
   GXX=
 fi
-ac_test_CXXFLAGS=${CXXFLAGS+set}
+ac_test_CXXFLAGS=${CXXFLAGS+y}
 ac_save_CXXFLAGS=$CXXFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
-$as_echo_n "checking whether $CXX accepts -g... " >&6; }
-if ${ac_cv_prog_cxx_g+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
+printf %s "checking whether $CXX accepts -g... " >&6; }
+if test ${ac_cv_prog_cxx_g+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_save_cxx_werror_flag=$ac_cxx_werror_flag
    ac_cxx_werror_flag=yes
    ac_cv_prog_cxx_g=no
@@ -3047,57 +4021,60 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   ac_cv_prog_cxx_g=yes
-else
+else $as_nop
   CXXFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
 
-else
+else $as_nop
   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 	 CXXFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   ac_cv_prog_cxx_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
    ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
-$as_echo "$ac_cv_prog_cxx_g" >&6; }
-if test "$ac_test_CXXFLAGS" = set; then
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
+printf "%s\n" "$ac_cv_prog_cxx_g" >&6; }
+if test $ac_test_CXXFLAGS; then
   CXXFLAGS=$ac_save_CXXFLAGS
 elif test $ac_cv_prog_cxx_g = yes; then
   if test "$GXX" = yes; then
@@ -3112,6 +4089,100 @@ else
     CXXFLAGS=
   fi
 fi
+ac_prog_cxx_stdcxx=no
+if test x$ac_prog_cxx_stdcxx = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++11 features" >&5
+printf %s "checking for $CXX option to enable C++11 features... " >&6; }
+if test ${ac_cv_prog_cxx_cxx11+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cxx_cxx11=no
+ac_save_CXX=$CXX
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_cxx_conftest_cxx11_program
+_ACEOF
+for ac_arg in '' -std=gnu++11 -std=gnu++0x -std=c++11 -std=c++0x -qlanglvl=extended0x -AA
+do
+  CXX="$ac_save_CXX $ac_arg"
+  if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_cv_prog_cxx_cxx11=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cxx_cxx11" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CXX=$ac_save_CXX
+fi
+
+if test "x$ac_cv_prog_cxx_cxx11" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cxx_cxx11" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
+printf "%s\n" "$ac_cv_prog_cxx_cxx11" >&6; }
+     CXX="$CXX $ac_cv_prog_cxx_cxx11"
+fi
+  ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx11
+  ac_prog_cxx_stdcxx=cxx11
+fi
+fi
+if test x$ac_prog_cxx_stdcxx = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++98 features" >&5
+printf %s "checking for $CXX option to enable C++98 features... " >&6; }
+if test ${ac_cv_prog_cxx_cxx98+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cxx_cxx98=no
+ac_save_CXX=$CXX
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_cxx_conftest_cxx98_program
+_ACEOF
+for ac_arg in '' -std=gnu++98 -std=c++98 -qlanglvl=extended -AA
+do
+  CXX="$ac_save_CXX $ac_arg"
+  if ac_fn_cxx_try_compile "$LINENO"
+then :
+  ac_cv_prog_cxx_cxx98=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cxx_cxx98" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CXX=$ac_save_CXX
+fi
+
+if test "x$ac_cv_prog_cxx_cxx98" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cxx_cxx98" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
+printf "%s\n" "$ac_cv_prog_cxx_cxx98" >&6; }
+     CXX="$CXX $ac_cv_prog_cxx_cxx98"
+fi
+  ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx98
+  ac_prog_cxx_stdcxx=cxx98
+fi
+fi
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -3120,11 +4191,12 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 # It's useless to us if it can't link programs (e.g. missing -lstdc++).
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX can link programs" >&5
-$as_echo_n "checking whether $CXX can link programs... " >&6; }
-if ${libc_cv_cxx_link_ok+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX can link programs" >&5
+printf %s "checking whether $CXX can link programs... " >&6; }
+if test ${libc_cv_cxx_link_ok+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -3136,19 +4208,20 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
   libc_cv_cxx_link_ok=yes
-else
+else $as_nop
   libc_cv_cxx_link_ok=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 # Static case.
 old_LDFLAGS="$LDFLAGS"
@@ -3166,12 +4239,13 @@ main()
 }
 
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+if ac_fn_cxx_try_link "$LINENO"
+then :
 
-else
+else $as_nop
   libc_cv_cxx_link_ok=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LDFLAGS="$old_LDFLAGS"
 ac_ext=c
@@ -3181,9 +4255,10 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cxx_link_ok" >&5
-$as_echo "$libc_cv_cxx_link_ok" >&6; }
-if test $libc_cv_cxx_link_ok != yes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cxx_link_ok" >&5
+printf "%s\n" "$libc_cv_cxx_link_ok" >&6; }
+if test $libc_cv_cxx_link_ok != yes
+then :
   CXX=
 fi
 
@@ -3197,7 +4272,8 @@ config_vars=
 # Check for a --with-gd argument and set libgd-LDFLAGS in config.make.
 
 # Check whether --with-gd was given.
-if test "${with_gd+set}" = set; then :
+if test ${with_gd+y}
+then :
   withval=$with_gd; case "$with_gd" in
 yes|''|no) ;;
 *) libgd_include="-I$withval/include"
@@ -3208,7 +4284,8 @@ fi
 
 
 # Check whether --with-gd-include was given.
-if test "${with_gd_include+set}" = set; then :
+if test ${with_gd_include+y}
+then :
   withval=$with_gd_include; case "$with_gd_include" in
 ''|no) ;;
 *) libgd_include="-I$withval" ;;
@@ -3218,7 +4295,8 @@ fi
 
 
 # Check whether --with-gd-lib was given.
-if test "${with_gd_lib+set}" = set; then :
+if test ${with_gd_lib+y}
+then :
   withval=$with_gd_lib; case "$with_gd_lib" in
 ''|no) ;;
 *) libgd_ldflags="-L$withval" ;;
@@ -3238,26 +4316,29 @@ fi
 
 
 # Check whether --with-binutils was given.
-if test "${with_binutils+set}" = set; then :
+if test ${with_binutils+y}
+then :
   withval=$with_binutils; path_binutils=$withval
-else
+else $as_nop
   path_binutils=''
 fi
 
 
 # Check whether --with-selinux was given.
-if test "${with_selinux+set}" = set; then :
+if test ${with_selinux+y}
+then :
   withval=$with_selinux; with_selinux=$withval
-else
+else $as_nop
   with_selinux=auto
 fi
 
 
 
 # Check whether --with-headers was given.
-if test "${with_headers+set}" = set; then :
+if test ${with_headers+y}
+then :
   withval=$with_headers; sysheaders=$withval
-else
+else $as_nop
   sysheaders=''
 fi
 
@@ -3265,18 +4346,20 @@ fi
 
 
 # Check whether --with-nonshared-cflags was given.
-if test "${with_nonshared_cflags+set}" = set; then :
+if test ${with_nonshared_cflags+y}
+then :
   withval=$with_nonshared_cflags; extra_nonshared_cflags=$withval
-else
+else $as_nop
   extra_nonshared_cflags=
 fi
 
 
 
 # Check whether --with-rtld-early-cflags was given.
-if test "${with_rtld_early_cflags+set}" = set; then :
+if test ${with_rtld_early_cflags+y}
+then :
   withval=$with_rtld_early_cflags; rtld_early_cflags=$withval
-else
+else $as_nop
   rtld_early_cflags=
 fi
 
@@ -3284,93 +4367,101 @@ fi
 
 
 # Check whether --with-timeoutfactor was given.
-if test "${with_timeoutfactor+set}" = set; then :
+if test ${with_timeoutfactor+y}
+then :
   withval=$with_timeoutfactor; timeoutfactor=$withval
-else
+else $as_nop
   timeoutfactor=1
 fi
 
-cat >>confdefs.h <<_ACEOF
-#define TIMEOUTFACTOR $timeoutfactor
-_ACEOF
+printf "%s\n" "#define TIMEOUTFACTOR $timeoutfactor" >>confdefs.h
 
 
 # Check whether --enable-sanity-checks was given.
-if test "${enable_sanity_checks+set}" = set; then :
+if test ${enable_sanity_checks+y}
+then :
   enableval=$enable_sanity_checks; enable_sanity=$enableval
-else
+else $as_nop
   enable_sanity=yes
 fi
 
 
 # Check whether --enable-shared was given.
-if test "${enable_shared+set}" = set; then :
+if test ${enable_shared+y}
+then :
   enableval=$enable_shared; shared=$enableval
-else
+else $as_nop
   shared=yes
 fi
 
 # Check whether --enable-profile was given.
-if test "${enable_profile+set}" = set; then :
+if test ${enable_profile+y}
+then :
   enableval=$enable_profile; profile=$enableval
-else
+else $as_nop
   profile=no
 fi
 
 # Check whether --enable-default-pie was given.
-if test "${enable_default_pie+set}" = set; then :
+if test ${enable_default_pie+y}
+then :
   enableval=$enable_default_pie; default_pie=$enableval
-else
+else $as_nop
   default_pie=yes
 fi
 
 # Check whether --enable-timezone-tools was given.
-if test "${enable_timezone_tools+set}" = set; then :
+if test ${enable_timezone_tools+y}
+then :
   enableval=$enable_timezone_tools; enable_timezone_tools=$enableval
-else
+else $as_nop
   enable_timezone_tools=yes
 fi
 
 
 
 # Check whether --enable-hardcoded-path-in-tests was given.
-if test "${enable_hardcoded_path_in_tests+set}" = set; then :
+if test ${enable_hardcoded_path_in_tests+y}
+then :
   enableval=$enable_hardcoded_path_in_tests; hardcoded_path_in_tests=$enableval
-else
+else $as_nop
   hardcoded_path_in_tests=no
 fi
 
 
 
 # Check whether --enable-hidden-plt was given.
-if test "${enable_hidden_plt+set}" = set; then :
+if test ${enable_hidden_plt+y}
+then :
   enableval=$enable_hidden_plt; hidden=$enableval
-else
+else $as_nop
   hidden=yes
 fi
 
 if test "x$hidden" = xno; then
-  $as_echo "#define NO_HIDDEN 1" >>confdefs.h
+  printf "%s\n" "#define NO_HIDDEN 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-bind-now was given.
-if test "${enable_bind_now+set}" = set; then :
+if test ${enable_bind_now+y}
+then :
   enableval=$enable_bind_now; bindnow=$enableval
-else
+else $as_nop
   bindnow=no
 fi
 
 
 if test "x$bindnow" = xyes; then
-  $as_echo "#define BIND_NOW 1" >>confdefs.h
+  printf "%s\n" "#define BIND_NOW 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-stack-protector was given.
-if test "${enable_stack_protector+set}" = set; then :
+if test ${enable_stack_protector+y}
+then :
   enableval=$enable_stack_protector; enable_stack_protector=$enableval
-else
+else $as_nop
   enable_stack_protector=no
 fi
 
@@ -3380,37 +4471,41 @@ all|yes|no|strong) ;;
 esac
 
 # Check whether --enable-static-nss was given.
-if test "${enable_static_nss+set}" = set; then :
+if test ${enable_static_nss+y}
+then :
   enableval=$enable_static_nss; static_nss=$enableval
-else
+else $as_nop
   static_nss=no
 fi
 
 if test x"$static_nss" = xyes || test x"$shared" = xno; then
   static_nss=yes
-  $as_echo "#define DO_STATIC_NSS 1" >>confdefs.h
+  printf "%s\n" "#define DO_STATIC_NSS 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-force-install was given.
-if test "${enable_force_install+set}" = set; then :
+if test ${enable_force_install+y}
+then :
   enableval=$enable_force_install; force_install=$enableval
-else
+else $as_nop
   force_install=yes
 fi
 
 
 
 # Check whether --enable-maintainer-mode was given.
-if test "${enable_maintainer_mode+set}" = set; then :
+if test ${enable_maintainer_mode+y}
+then :
   enableval=$enable_maintainer_mode; maintainer=$enableval
-else
+else $as_nop
   maintainer=no
 fi
 
 
 # Check whether --enable-kernel was given.
-if test "${enable_kernel+set}" = set; then :
+if test ${enable_kernel+y}
+then :
   enableval=$enable_kernel; minimum_kernel=$enableval
 fi
 
@@ -3424,33 +4519,37 @@ else
 fi
 
 # Check whether --enable-all-warnings was given.
-if test "${enable_all_warnings+set}" = set; then :
+if test ${enable_all_warnings+y}
+then :
   enableval=$enable_all_warnings; all_warnings=$enableval
 fi
 
 
 
 # Check whether --enable-werror was given.
-if test "${enable_werror+set}" = set; then :
+if test ${enable_werror+y}
+then :
   enableval=$enable_werror; enable_werror=$enableval
-else
+else $as_nop
   enable_werror=yes
 fi
 
 
 
 # Check whether --enable-multi-arch was given.
-if test "${enable_multi_arch+set}" = set; then :
+if test ${enable_multi_arch+y}
+then :
   enableval=$enable_multi_arch; multi_arch=$enableval
-else
+else $as_nop
   multi_arch=default
 fi
 
 
 # Check whether --enable-memory-tagging was given.
-if test "${enable_memory_tagging+set}" = set; then :
+if test ${enable_memory_tagging+y}
+then :
   enableval=$enable_memory_tagging; memory_tagging=$enableval
-else
+else $as_nop
   memory_tagging=no
 fi
 
@@ -3458,7 +4557,7 @@ if test "$memory_tagging" = yes; then
   # Only enable this on architectures that support it.
   case $host_cpu in
     aarch64)
-      $as_echo "#define USE_MTAG 1" >>confdefs.h
+      printf "%s\n" "#define USE_MTAG 1" >>confdefs.h
 
       ;;
   esac
@@ -3466,24 +4565,26 @@ fi
 
 
 # Check whether --enable-crypt was given.
-if test "${enable_crypt+set}" = set; then :
+if test ${enable_crypt+y}
+then :
   enableval=$enable_crypt; build_crypt=$enableval
-else
+else $as_nop
   build_crypt=yes
 fi
 
 
 
 # Check whether --enable-nss-crypt was given.
-if test "${enable_nss_crypt+set}" = set; then :
+if test ${enable_nss_crypt+y}
+then :
   enableval=$enable_nss_crypt; nss_crypt=$enableval
-else
+else $as_nop
   nss_crypt=no
 fi
 
 if test x$build_libcrypt = xno && test x$nss_crypt = xyes; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: --enable-nss-crypt has no effect when libcrypt is disabled" >&5
-$as_echo "$as_me: WARNING: --enable-nss-crypt has no effect when libcrypt is disabled" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: --enable-nss-crypt has no effect when libcrypt is disabled" >&5
+printf "%s\n" "$as_me: WARNING: --enable-nss-crypt has no effect when libcrypt is disabled" >&2;}
   nss_crypt=no
 fi
 if test x$nss_crypt = xyes; then
@@ -3505,20 +4606,21 @@ typedef int PRBool;
 #include <nsslowhash.h>
 void f (void) { NSSLOW_Init (); }
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_cv_nss_crypt=yes
-else
+else $as_nop
   as_fn_error $? "
 cannot find NSS headers with lowlevel hash function interfaces" "$LINENO" 5
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   old_LIBS="$LIBS"
   old_LDFLAGS="$LDFLAGS"
   LIBS="$LIBS -lfreebl3"
@@ -3528,20 +4630,21 @@ typedef int PRBool;
 #include <hasht.h>
 #include <nsslowhash.h>
 int
-main ()
+main (void)
 {
 NSSLOW_Init();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   libc_cv_nss_crypt=yes
-else
+else $as_nop
   as_fn_error $? "
 cannot link program using lowlevel NSS hash functions" "$LINENO" 5
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   # Check to see if there is a static NSS cryptographic library.
   # If there isn't then we can't link anything with libcrypt.a,
@@ -3553,19 +4656,20 @@ typedef int PRBool;
 #include <hasht.h>
 #include <nsslowhash.h>
 int
-main ()
+main (void)
 {
 NSSLOW_Init();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   libc_cv_static_nss_crypt=yes
-else
+else $as_nop
   libc_cv_static_nss_crypt=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   LDFLAGS="$old_LDFLAGS"
   CFLAGS="$old_CFLAGS"
@@ -3579,18 +4683,20 @@ fi
 
 
 # Check whether --enable-systemtap was given.
-if test "${enable_systemtap+set}" = set; then :
+if test ${enable_systemtap+y}
+then :
   enableval=$enable_systemtap; systemtap=$enableval
-else
+else $as_nop
   systemtap=no
 fi
 
 if test "x$systemtap" != xno; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for systemtap static probe support" >&5
-$as_echo_n "checking for systemtap static probe support... " >&6; }
-if ${libc_cv_sdt+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for systemtap static probe support" >&5
+printf %s "checking for systemtap static probe support... " >&6; }
+if test ${libc_cv_sdt+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
     old_CFLAGS="$CFLAGS"
   CFLAGS="-std=gnu11 $CFLAGS"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3602,31 +4708,33 @@ void foo (int i, void *p)
        :: STAP_PROBE_ASM_OPERANDS (2, i, p));
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_cv_sdt=yes
-else
+else $as_nop
   libc_cv_sdt=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   CFLAGS="$old_CFLAGS"
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_sdt" >&5
-$as_echo "$libc_cv_sdt" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_sdt" >&5
+printf "%s\n" "$libc_cv_sdt" >&6; }
   if test $libc_cv_sdt = yes; then
-    $as_echo "#define USE_STAP_PROBE 1" >>confdefs.h
+    printf "%s\n" "#define USE_STAP_PROBE 1" >>confdefs.h
 
   elif test "x$systemtap" != xauto; then
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "systemtap support needs sys/sdt.h with asm support
 See \`config.log' for more details" "$LINENO" 5; }
   fi
 fi
 
 # Check whether --enable-build-nscd was given.
-if test "${enable_build_nscd+set}" = set; then :
+if test ${enable_build_nscd+y}
+then :
   enableval=$enable_build_nscd; build_nscd=$enableval
-else
+else $as_nop
   build_nscd=default
 fi
 
@@ -3634,23 +4742,25 @@ fi
 
 # Note the use of $use_nscd is near the bottom of the file.
 # Check whether --enable-nscd was given.
-if test "${enable_nscd+set}" = set; then :
+if test ${enable_nscd+y}
+then :
   enableval=$enable_nscd; use_nscd=$enableval
-else
+else $as_nop
   use_nscd=yes
 fi
 
 
 # Check whether --enable-pt_chown was given.
-if test "${enable_pt_chown+set}" = set; then :
+if test ${enable_pt_chown+y}
+then :
   enableval=$enable_pt_chown; build_pt_chown=$enableval
-else
+else $as_nop
   build_pt_chown=no
 fi
 
 
 if test "$build_pt_chown" = yes; then
-  $as_echo "#define HAVE_PT_CHOWN 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_PT_CHOWN 1" >>confdefs.h
 
 fi
 
@@ -3667,9 +4777,10 @@ gnu*)
 esac
 
 # Check whether --enable-mathvec was given.
-if test "${enable_mathvec+set}" = set; then :
+if test ${enable_mathvec+y}
+then :
   enableval=$enable_mathvec; build_mathvec=$enableval
-else
+else $as_nop
   build_mathvec=notset
 fi
 
@@ -3679,7 +4790,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
 #ifndef __CET__
@@ -3689,31 +4800,35 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if ac_fn_c_try_cpp "$LINENO"
+then :
   libc_cv_compiler_default_cet=yes
-else
+else $as_nop
   libc_cv_compiler_default_cet=no
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
 # Check whether --enable-cet was given.
-if test "${enable_cet+set}" = set; then :
+if test ${enable_cet+y}
+then :
   enableval=$enable_cet; enable_cet=$enableval
-else
+else $as_nop
   enable_cet=$libc_cv_compiler_default_cet
 fi
 
 
 # Check whether --enable-scv was given.
-if test "${enable_scv+set}" = set; then :
+if test ${enable_scv+y}
+then :
   enableval=$enable_scv; use_scv=$enableval
-else
+else $as_nop
   use_scv=yes
 fi
 
 
-if test "$use_scv" != "no"; then :
-  $as_echo "#define USE_PPC_SCV 1" >>confdefs.h
+if test "$use_scv" != "no"
+then :
+  printf "%s\n" "#define USE_PPC_SCV 1" >>confdefs.h
 
 fi
 
@@ -3740,7 +4855,8 @@ base_os=''
 submachine=
 
 # Check whether --with-cpu was given.
-if test "${with_cpu+set}" = set; then :
+if test ${with_cpu+y}
+then :
   withval=$with_cpu;   case "$withval" in
   yes|'') as_fn_error $? "--with-cpu requires an argument" "$LINENO" 5 ;;
   no) ;;
@@ -3761,15 +4877,15 @@ with_fp_cond=1
 
 if frags=`ls -d $srcdir/sysdeps/*/preconfigure 2> /dev/null`
 then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysdeps preconfigure fragments" >&5
-$as_echo_n "checking for sysdeps preconfigure fragments... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sysdeps preconfigure fragments" >&5
+printf %s "checking for sysdeps preconfigure fragments... " >&6; }
   for frag in $frags; do
     name=`echo "$frag" | sed 's@/[^/]*$@@;s@^.*/@@'`
     echo $ECHO_N "$name $ECHO_C" >&6
     . "$frag"
   done
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: " >&5
-$as_echo "" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: " >&5
+printf "%s\n" "" >&6; }
 fi
 
 
@@ -3799,7 +4915,8 @@ test -n "$base_machine" || base_machine=$machine
 
 ### Locate tools.
 
-# Find a good install program.  We prefer a C program (faster),
+
+  # Find a good install program.  We prefer a C program (faster),
 # so one script is as good as another.  But avoid the broken or
 # incompatible versions:
 # SysV /etc/install, /usr/sbin/install
@@ -3813,20 +4930,25 @@ test -n "$base_machine" || base_machine=$machine
 # OS/2's system install, which has a completely different semantic
 # ./install, which can be erroneously created by make from ./install.sh.
 # Reject install programs that cannot install multiple files.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
-$as_echo_n "checking for a BSD-compatible install... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
+printf %s "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if ${ac_cv_path_install+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+if test ${ac_cv_path_install+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    # Account for people who put trailing slashes in PATH elements.
-case $as_dir/ in #((
-  ./ | .// | /[cC]/* | \
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    # Account for fact that we put trailing slashes in our PATH walk.
+case $as_dir in #((
+  ./ | /[cC]/* | \
   /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
   ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
   /usr/ucb/* ) ;;
@@ -3836,13 +4958,13 @@ case $as_dir/ in #((
     # by default.
     for ac_prog in ginstall scoinst install; do
       for ac_exec_ext in '' $ac_executable_extensions; do
-	if as_fn_executable_p "$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
+	    grep dspmsg "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
 	    # AIX install.  It has an incompatible calling convention.
 	    :
 	  elif test $ac_prog = install &&
-	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    grep pwplus "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
 	    # program-specific install script used by HP pwplus--don't use.
 	    :
 	  else
@@ -3850,12 +4972,12 @@ case $as_dir/ in #((
 	    echo one > conftest.one
 	    echo two > conftest.two
 	    mkdir conftest.dir
-	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	    if "$as_dir$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir/" &&
 	      test -s conftest.one && test -s conftest.two &&
 	      test -s conftest.dir/conftest.one &&
 	      test -s conftest.dir/conftest.two
 	    then
-	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+	      ac_cv_path_install="$as_dir$ac_prog$ac_exec_ext -c"
 	      break 3
 	    fi
 	  fi
@@ -3871,7 +4993,7 @@ IFS=$as_save_IFS
 rm -rf conftest.one conftest.two conftest.dir
 
 fi
-  if test "${ac_cv_path_install+set}" = set; then
+  if test ${ac_cv_path_install+y}; then
     INSTALL=$ac_cv_path_install
   else
     # As a last resort, use the slow shell script.  Don't cache a
@@ -3881,8 +5003,8 @@ fi
     INSTALL=$ac_install_sh
   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
-$as_echo "$INSTALL" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
+printf "%s\n" "$INSTALL" >&6; }
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
 # It thinks the first close brace ends the variable substitution.
@@ -3896,15 +5018,15 @@ if test "$INSTALL" = "${srcdir}/scripts/install-sh -c"; then
   # The makefiles need to use a different form to find it in $srcdir.
   INSTALL='\$(..)./scripts/install-sh -c'
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
-$as_echo_n "checking whether ln -s works... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
+printf %s "checking whether ln -s works... " >&6; }
 LN_S=$as_ln_s
 if test "$LN_S" = "ln -s"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
-$as_echo "no, using $LN_S" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
+printf "%s\n" "no, using $LN_S" >&6; }
 fi
 
 
@@ -3956,11 +5078,12 @@ case $($LD --version) in
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 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 ${ac_cv_prog_LD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_LD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$LD"; then
   ac_cv_prog_LD="$LD" # Let the user override the test.
 else
@@ -3968,11 +5091,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_LD="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3983,11 +5110,11 @@ fi
 fi
 LD=$ac_cv_prog_LD
 if test -n "$LD"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
-$as_echo "$LD" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+printf "%s\n" "$LD" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -3998,8 +5125,8 @@ if test -z "$LD"; then
   ac_verc_fail=yes
 else
   # Found it, now check the version.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $LD" >&5
-$as_echo_n "checking version of $LD... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking version of $LD" >&5
+printf %s "checking version of $LD... " >&6; }
   ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*GNU gold.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -4008,8 +5135,8 @@ $as_echo_n "checking version of $LD... " >&6; }
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 
   esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+printf "%s\n" "$ac_prog_version" >&6; }
 fi
 if test $ac_verc_fail = yes; then
   LD=: critic_missing="$critic_missing GNU gold"
@@ -4022,11 +5149,12 @@ fi
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 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 ${ac_cv_prog_LD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_LD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$LD"; then
   ac_cv_prog_LD="$LD" # Let the user override the test.
 else
@@ -4034,11 +5162,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_LD="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4049,11 +5181,11 @@ fi
 fi
 LD=$ac_cv_prog_LD
 if test -n "$LD"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
-$as_echo "$LD" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+printf "%s\n" "$LD" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4064,8 +5196,8 @@ if test -z "$LD"; then
   ac_verc_fail=yes
 else
   # Found it, now check the version.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $LD" >&5
-$as_echo_n "checking version of $LD... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking version of $LD" >&5
+printf %s "checking version of $LD... " >&6; }
   ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*LLD.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -4074,8 +5206,8 @@ $as_echo_n "checking version of $LD... " >&6; }
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 
   esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+printf "%s\n" "$ac_prog_version" >&6; }
 fi
 if test $ac_verc_fail = yes; then
   LD=: critic_missing="$critic_missing LLD"
@@ -4088,11 +5220,12 @@ fi
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 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 ${ac_cv_prog_LD+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_LD+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$LD"; then
   ac_cv_prog_LD="$LD" # Let the user override the test.
 else
@@ -4100,11 +5233,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_LD="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4115,11 +5252,11 @@ fi
 fi
 LD=$ac_cv_prog_LD
 if test -n "$LD"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
-$as_echo "$LD" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+printf "%s\n" "$LD" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4130,8 +5267,8 @@ if test -z "$LD"; then
   ac_verc_fail=yes
 else
   # Found it, now check the version.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $LD" >&5
-$as_echo_n "checking version of $LD... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking version of $LD" >&5
+printf %s "checking version of $LD... " >&6; }
   ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*GNU ld.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -4140,8 +5277,8 @@ $as_echo_n "checking version of $LD... " >&6; }
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 
   esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+printf "%s\n" "$ac_prog_version" >&6; }
 fi
 if test $ac_verc_fail = yes; then
   LD=: critic_missing="$critic_missing GNU ld"
@@ -4157,11 +5294,12 @@ for ac_prog in gnumake gmake make
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 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 ${ac_cv_prog_MAKE+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_MAKE+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$MAKE"; then
   ac_cv_prog_MAKE="$MAKE" # Let the user override the test.
 else
@@ -4169,11 +5307,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_MAKE="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4184,11 +5326,11 @@ fi
 fi
 MAKE=$ac_cv_prog_MAKE
 if test -n "$MAKE"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAKE" >&5
-$as_echo "$MAKE" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAKE" >&5
+printf "%s\n" "$MAKE" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4199,8 +5341,8 @@ if test -z "$MAKE"; then
   ac_verc_fail=yes
 else
   # Found it, now check the version.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $MAKE" >&5
-$as_echo_n "checking version of $MAKE... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking version of $MAKE" >&5
+printf %s "checking version of $MAKE... " >&6; }
   ac_prog_version=`$MAKE --version 2>&1 | sed -n 's/^.*GNU Make[^0-9]*\([0-9][0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -4209,8 +5351,8 @@ $as_echo_n "checking version of $MAKE... " >&6; }
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 
   esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+printf "%s\n" "$ac_prog_version" >&6; }
 fi
 if test $ac_verc_fail = yes; then
   critic_missing="$critic_missing make"
@@ -4221,11 +5363,12 @@ for ac_prog in gnumsgfmt gmsgfmt msgfmt
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 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 ${ac_cv_prog_MSGFMT+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_MSGFMT+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$MSGFMT"; then
   ac_cv_prog_MSGFMT="$MSGFMT" # Let the user override the test.
 else
@@ -4233,11 +5376,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_MSGFMT="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4248,11 +5395,11 @@ fi
 fi
 MSGFMT=$ac_cv_prog_MSGFMT
 if test -n "$MSGFMT"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSGFMT" >&5
-$as_echo "$MSGFMT" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MSGFMT" >&5
+printf "%s\n" "$MSGFMT" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4263,8 +5410,8 @@ if test -z "$MSGFMT"; then
   ac_verc_fail=yes
 else
   # Found it, now check the version.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $MSGFMT" >&5
-$as_echo_n "checking version of $MSGFMT... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking version of $MSGFMT" >&5
+printf %s "checking version of $MSGFMT... " >&6; }
   ac_prog_version=`$MSGFMT --version 2>&1 | sed -n 's/^.*GNU gettext.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -4273,8 +5420,8 @@ $as_echo_n "checking version of $MSGFMT... " >&6; }
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 
   esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+printf "%s\n" "$ac_prog_version" >&6; }
 fi
 if test $ac_verc_fail = yes; then
   MSGFMT=: aux_missing="$aux_missing msgfmt"
@@ -4284,11 +5431,12 @@ for ac_prog in makeinfo
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 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 ${ac_cv_prog_MAKEINFO+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_MAKEINFO+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$MAKEINFO"; then
   ac_cv_prog_MAKEINFO="$MAKEINFO" # Let the user override the test.
 else
@@ -4296,11 +5444,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_MAKEINFO="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4311,11 +5463,11 @@ fi
 fi
 MAKEINFO=$ac_cv_prog_MAKEINFO
 if test -n "$MAKEINFO"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAKEINFO" >&5
-$as_echo "$MAKEINFO" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAKEINFO" >&5
+printf "%s\n" "$MAKEINFO" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4326,8 +5478,8 @@ if test -z "$MAKEINFO"; then
   ac_verc_fail=yes
 else
   # Found it, now check the version.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $MAKEINFO" >&5
-$as_echo_n "checking version of $MAKEINFO... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking version of $MAKEINFO" >&5
+printf %s "checking version of $MAKEINFO... " >&6; }
   ac_prog_version=`$MAKEINFO --version 2>&1 | sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -4336,8 +5488,8 @@ $as_echo_n "checking version of $MAKEINFO... " >&6; }
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 
   esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+printf "%s\n" "$ac_prog_version" >&6; }
 fi
 if test $ac_verc_fail = yes; then
   MAKEINFO=: aux_missing="$aux_missing makeinfo"
@@ -4347,11 +5499,12 @@ for ac_prog in sed
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 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 ${ac_cv_prog_SED+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_SED+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$SED"; then
   ac_cv_prog_SED="$SED" # Let the user override the test.
 else
@@ -4359,11 +5512,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_SED="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4374,11 +5531,11 @@ fi
 fi
 SED=$ac_cv_prog_SED
 if test -n "$SED"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SED" >&5
-$as_echo "$SED" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $SED" >&5
+printf "%s\n" "$SED" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4389,8 +5546,8 @@ if test -z "$SED"; then
   ac_verc_fail=yes
 else
   # Found it, now check the version.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $SED" >&5
-$as_echo_n "checking version of $SED... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking version of $SED" >&5
+printf %s "checking version of $SED... " >&6; }
   ac_prog_version=`$SED --version 2>&1 | sed -n 's/^.*GNU sed[^0-9]* \([0-9]*\.[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -4399,8 +5556,8 @@ $as_echo_n "checking version of $SED... " >&6; }
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 
   esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+printf "%s\n" "$ac_prog_version" >&6; }
 fi
 if test $ac_verc_fail = yes; then
   SED=: aux_missing="$aux_missing sed"
@@ -4410,11 +5567,12 @@ for ac_prog in gawk
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 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 ${ac_cv_prog_AWK+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_AWK+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$AWK"; then
   ac_cv_prog_AWK="$AWK" # Let the user override the test.
 else
@@ -4422,11 +5580,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$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$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4437,11 +5599,11 @@ fi
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
-$as_echo "$AWK" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
+printf "%s\n" "$AWK" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4452,8 +5614,8 @@ if test -z "$AWK"; then
   ac_verc_fail=yes
 else
   # Found it, now check the version.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $AWK" >&5
-$as_echo_n "checking version of $AWK... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking version of $AWK" >&5
+printf %s "checking version of $AWK... " >&6; }
   ac_prog_version=`$AWK --version 2>&1 | sed -n 's/^.*GNU Awk[^0-9]*\([0-9][0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -4462,8 +5624,8 @@ $as_echo_n "checking version of $AWK... " >&6; }
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 
   esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+printf "%s\n" "$ac_prog_version" >&6; }
 fi
 if test $ac_verc_fail = yes; then
   critic_missing="$critic_missing gawk"
@@ -4473,11 +5635,12 @@ for ac_prog in bison
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 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 ${ac_cv_prog_BISON+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_BISON+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$BISON"; then
   ac_cv_prog_BISON="$BISON" # Let the user override the test.
 else
@@ -4485,11 +5648,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_BISON="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4500,11 +5667,11 @@ fi
 fi
 BISON=$ac_cv_prog_BISON
 if test -n "$BISON"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BISON" >&5
-$as_echo "$BISON" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $BISON" >&5
+printf "%s\n" "$BISON" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4515,8 +5682,8 @@ if test -z "$BISON"; then
   ac_verc_fail=yes
 else
   # Found it, now check the version.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $BISON" >&5
-$as_echo_n "checking version of $BISON... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking version of $BISON" >&5
+printf %s "checking version of $BISON... " >&6; }
   ac_prog_version=`$BISON --version 2>&1 | sed -n 's/^.*bison (GNU Bison) \([0-9]*\.[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -4525,25 +5692,26 @@ $as_echo_n "checking version of $BISON... " >&6; }
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 
   esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+printf "%s\n" "$ac_prog_version" >&6; }
 fi
 if test $ac_verc_fail = yes; then
   critic_missing="$critic_missing bison"
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC is sufficient to build libc" >&5
-$as_echo_n "checking if $CC is sufficient to build libc... " >&6; }
-if ${libc_cv_compiler_ok+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC is sufficient to build libc" >&5
+printf %s "checking if $CC is sufficient to build libc... " >&6; }
+if test ${libc_cv_compiler_ok+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
 #if !defined __GNUC__ || __GNUC__ < 6 || (__GNUC__ == 6 && __GNUC_MINOR__ < 2)
@@ -4553,16 +5721,18 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if ac_fn_c_try_cpp "$LINENO"
+then :
   libc_cv_compiler_ok=yes
-else
+else $as_nop
   libc_cv_compiler_ok=no
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_compiler_ok" >&5
-$as_echo "$libc_cv_compiler_ok" >&6; }
-if test $libc_cv_compiler_ok != yes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_compiler_ok" >&5
+printf "%s\n" "$libc_cv_compiler_ok" >&6; }
+if test $libc_cv_compiler_ok != yes
+then :
   critic_missing="$critic_missing compiler"
 fi
 
@@ -4571,11 +5741,12 @@ if test "x$maintainer" = "xyes"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AUTOCONF+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_AUTOCONF+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$AUTOCONF"; then
   ac_cv_prog_AUTOCONF="$AUTOCONF" # Let the user override the test.
 else
@@ -4583,11 +5754,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_AUTOCONF="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4598,11 +5773,11 @@ fi
 fi
 AUTOCONF=$ac_cv_prog_AUTOCONF
 if test -n "$AUTOCONF"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AUTOCONF" >&5
-$as_echo "$AUTOCONF" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AUTOCONF" >&5
+printf "%s\n" "$AUTOCONF" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4613,19 +5788,20 @@ test -n "$AUTOCONF" || AUTOCONF="no"
   case "x$AUTOCONF" in
   xno|x|x:) AUTOCONF=no ;;
   *)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking   whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works" >&5
-$as_echo_n "checking   whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works... " >&6; }
-if ${libc_cv_autoconf_works+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking   whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works" >&5
+printf %s "checking   whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works... " >&6; }
+if test ${libc_cv_autoconf_works+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
       if (cd $srcdir; $AUTOCONF $ACFLAGS configure.ac > /dev/null 2>&1); then
       libc_cv_autoconf_works=yes
     else
       libc_cv_autoconf_works=no
     fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_autoconf_works" >&5
-$as_echo "$libc_cv_autoconf_works" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_autoconf_works" >&5
+printf "%s\n" "$libc_cv_autoconf_works" >&6; }
     test $libc_cv_autoconf_works = yes || AUTOCONF=no
     ;;
   esac
@@ -4641,11 +5817,12 @@ for ac_prog in python3 python
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 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 ${ac_cv_prog_PYTHON_PROG+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_PYTHON_PROG+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$PYTHON_PROG"; then
   ac_cv_prog_PYTHON_PROG="$PYTHON_PROG" # Let the user override the test.
 else
@@ -4653,11 +5830,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_PYTHON_PROG="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4668,11 +5849,11 @@ fi
 fi
 PYTHON_PROG=$ac_cv_prog_PYTHON_PROG
 if test -n "$PYTHON_PROG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PYTHON_PROG" >&5
-$as_echo "$PYTHON_PROG" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PYTHON_PROG" >&5
+printf "%s\n" "$PYTHON_PROG" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4683,8 +5864,8 @@ if test -z "$PYTHON_PROG"; then
   ac_verc_fail=yes
 else
   # Found it, now check the version.
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $PYTHON_PROG" >&5
-$as_echo_n "checking version of $PYTHON_PROG... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking version of $PYTHON_PROG" >&5
+printf %s "checking version of $PYTHON_PROG... " >&6; }
   ac_prog_version=`$PYTHON_PROG --version 2>&1 | sed -n 's/^.*Python \([0-9][0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -4693,8 +5874,8 @@ $as_echo_n "checking version of $PYTHON_PROG... " >&6; }
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 
   esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+printf "%s\n" "$ac_prog_version" >&6; }
 fi
 if test $ac_verc_fail = yes; then
   critic_missing="$critic_missing python"
@@ -4707,22 +5888,23 @@ test -n "$critic_missing" && as_fn_error $? "
 *** These critical programs are missing or too old:$critic_missing
 *** Check the INSTALL file for required versions." "$LINENO" 5
 
-test -n "$aux_missing" && { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
+test -n "$aux_missing" && { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING:
 *** These auxiliary programs are missing or incompatible versions:$aux_missing
 *** some features or tests will be disabled.
 *** Check the INSTALL file for required versions." >&5
-$as_echo "$as_me: WARNING:
+printf "%s\n" "$as_me: WARNING:
 *** These auxiliary programs are missing or incompatible versions:$aux_missing
 *** some features or tests will be disabled.
 *** Check the INSTALL file for required versions." >&2;}
 
 
 # Determine whether to use fpu or nofpu sysdeps directories.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for use of fpu sysdeps directories" >&5
-$as_echo_n "checking for use of fpu sysdeps directories... " >&6; }
-if ${libc_cv_with_fp+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for use of fpu sysdeps directories" >&5
+printf %s "checking for use of fpu sysdeps directories... " >&6; }
+if test ${libc_cv_with_fp+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 #if $with_fp_cond
 int dummy;
@@ -4737,93 +5919,99 @@ if ${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s \
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_with_fp" >&5
-$as_echo "$libc_cv_with_fp" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_with_fp" >&5
+printf "%s\n" "$libc_cv_with_fp" >&6; }
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector" >&5
-$as_echo_n "checking for -fstack-protector... " >&6; }
-if ${libc_cv_ssp+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector" >&5
+printf %s "checking for -fstack-protector... " >&6; }
+if test ${libc_cv_ssp+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector -xc /dev/null -S -o /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
   libc_cv_ssp=yes
-else
+else $as_nop
   libc_cv_ssp=no
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp" >&5
-$as_echo "$libc_cv_ssp" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp" >&5
+printf "%s\n" "$libc_cv_ssp" >&6; }
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector-strong" >&5
-$as_echo_n "checking for -fstack-protector-strong... " >&6; }
-if ${libc_cv_ssp_strong+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector-strong" >&5
+printf %s "checking for -fstack-protector-strong... " >&6; }
+if test ${libc_cv_ssp_strong+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector-strong -xc /dev/null -S -o /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
   libc_cv_ssp_strong=yes
-else
+else $as_nop
   libc_cv_ssp_strong=no
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp_strong" >&5
-$as_echo "$libc_cv_ssp_strong" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp_strong" >&5
+printf "%s\n" "$libc_cv_ssp_strong" >&6; }
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector-all" >&5
-$as_echo_n "checking for -fstack-protector-all... " >&6; }
-if ${libc_cv_ssp_all+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector-all" >&5
+printf %s "checking for -fstack-protector-all... " >&6; }
+if test ${libc_cv_ssp_all+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector-all -xc /dev/null -S -o /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
   libc_cv_ssp_all=yes
-else
+else $as_nop
   libc_cv_ssp_all=no
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp_all" >&5
-$as_echo "$libc_cv_ssp_all" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp_all" >&5
+printf "%s\n" "$libc_cv_ssp_all" >&6; }
 
 stack_protector=
 no_stack_protector=
 if test "$libc_cv_ssp" = yes; then
   no_stack_protector="-fno-stack-protector -DSTACK_PROTECTOR_LEVEL=0"
-  $as_echo "#define HAVE_CC_NO_STACK_PROTECTOR 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_CC_NO_STACK_PROTECTOR 1" >>confdefs.h
 
 fi
 
 if test "$enable_stack_protector" = yes && test "$libc_cv_ssp" = yes; then
   stack_protector="-fstack-protector"
-  $as_echo "#define STACK_PROTECTOR_LEVEL 1" >>confdefs.h
+  printf "%s\n" "#define STACK_PROTECTOR_LEVEL 1" >>confdefs.h
 
 elif test "$enable_stack_protector" = all && test "$libc_cv_ssp_all" = yes; then
   stack_protector="-fstack-protector-all"
-  $as_echo "#define STACK_PROTECTOR_LEVEL 2" >>confdefs.h
+  printf "%s\n" "#define STACK_PROTECTOR_LEVEL 2" >>confdefs.h
 
 elif test "$enable_stack_protector" = strong && test "$libc_cv_ssp_strong" = yes; then
   stack_protector="-fstack-protector-strong"
-  $as_echo "#define STACK_PROTECTOR_LEVEL 3" >>confdefs.h
+  printf "%s\n" "#define STACK_PROTECTOR_LEVEL 3" >>confdefs.h
 
 else
   stack_protector="-fno-stack-protector"
-  $as_echo "#define STACK_PROTECTOR_LEVEL 0" >>confdefs.h
+  printf "%s\n" "#define STACK_PROTECTOR_LEVEL 0" >>confdefs.h
 
 fi
 
@@ -4841,11 +6029,12 @@ else
 fi
 
 # For the multi-arch option we need support in the assembler & linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler and linker STT_GNU_IFUNC support" >&5
-$as_echo_n "checking for assembler and linker STT_GNU_IFUNC support... " >&6; }
-if ${libc_cv_ld_gnu_indirect_function+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for assembler and linker STT_GNU_IFUNC support" >&5
+printf %s "checking for assembler and linker STT_GNU_IFUNC support... " >&6; }
+if test ${libc_cv_ld_gnu_indirect_function+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.S <<EOF
 .type foo,%gnu_indirect_function
 foo:
@@ -4872,15 +6061,16 @@ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ld_gnu_indirect_function" >&5
-$as_echo "$libc_cv_ld_gnu_indirect_function" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ld_gnu_indirect_function" >&5
+printf "%s\n" "$libc_cv_ld_gnu_indirect_function" >&6; }
 
 # Check if gcc supports attribute ifunc as it is used in libc_ifunc macro.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc attribute ifunc support" >&5
-$as_echo_n "checking for gcc attribute ifunc support... " >&6; }
-if ${libc_cv_gcc_indirect_function+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gcc attribute ifunc support" >&5
+printf %s "checking for gcc attribute ifunc support... " >&6; }
+if test ${libc_cv_gcc_indirect_function+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 extern int func (int);
 int used_func (int a)
@@ -4902,16 +6092,17 @@ if ${CC-cc} -c conftest.c -o conftest.o 1>&5 \
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_indirect_function" >&5
-$as_echo "$libc_cv_gcc_indirect_function" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_indirect_function" >&5
+printf "%s\n" "$libc_cv_gcc_indirect_function" >&6; }
 
 # Check if linker supports textrel relocation with ifunc (used on elf/tests).
 # Note that it relies on libc_cv_ld_gnu_indirect_function test above.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the linker supports textrels along with ifunc" >&5
-$as_echo_n "checking whether the linker supports textrels along with ifunc... " >&6; }
-if ${libc_cv_textrel_ifunc+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the linker supports textrels along with ifunc" >&5
+printf %s "checking whether the linker supports textrels along with ifunc... " >&6; }
+if test ${libc_cv_textrel_ifunc+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.S <<EOF
 .type foo,%gnu_indirect_function
 foo:
@@ -4940,23 +6131,24 @@ if test $libc_cv_ld_gnu_indirect_function = yes; then
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }; then
      libc_cv_textrel_ifunc=yes
    fi
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_textrel_ifunc" >&5
-$as_echo "$libc_cv_textrel_ifunc" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_textrel_ifunc" >&5
+printf "%s\n" "$libc_cv_textrel_ifunc" >&6; }
 
 
 # Check if CC supports attribute retain as it is used in attribute_used_retain macro.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU attribute retain support" >&5
-$as_echo_n "checking for GNU attribute retain support... " >&6; }
-if ${libc_cv_gnu_retain+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU attribute retain support" >&5
+printf %s "checking for GNU attribute retain support... " >&6; }
+if test ${libc_cv_gnu_retain+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 static int var  __attribute__ ((used, retain, section ("__libc_atexit")));
 EOF
@@ -4967,21 +6159,22 @@ if ${CC-cc} -Werror -c conftest.c -o /dev/null 1>&5 \
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gnu_retain" >&5
-$as_echo "$libc_cv_gnu_retain" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gnu_retain" >&5
+printf "%s\n" "$libc_cv_gnu_retain" >&6; }
 if test $libc_cv_gnu_retain = yes; then
-  $as_echo "#define HAVE_GNU_RETAIN 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_GNU_RETAIN 1" >>confdefs.h
 
 fi
 config_vars="$config_vars
 have-gnu-retain = $libc_cv_gnu_retain"
 
 # Check if gcc warns about alias for function with incompatible types.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler warns about alias for function with incompatible types" >&5
-$as_echo_n "checking if compiler warns about alias for function with incompatible types... " >&6; }
-if ${libc_cv_gcc_incompatible_alias+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler warns about alias for function with incompatible types" >&5
+printf %s "checking if compiler warns about alias for function with incompatible types... " >&6; }
+if test ${libc_cv_gcc_incompatible_alias+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 int __redirect_foo (const void *s, int c);
 
@@ -4999,8 +6192,8 @@ if ${CC-cc} -Werror -c conftest.c -o conftest.o 1>&5 2>&5 ; then
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_incompatible_alias" >&5
-$as_echo "$libc_cv_gcc_incompatible_alias" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_incompatible_alias" >&5
+printf "%s\n" "$libc_cv_gcc_incompatible_alias" >&6; }
 
 if test x"$libc_cv_ld_gnu_indirect_function" != xyes; then
   if test x"$multi_arch" = xyes; then
@@ -5014,18 +6207,18 @@ if test x"$libc_cv_gcc_indirect_function" != xyes; then
   # fail to build ifunc resolvers aliases to either weak or internal
   # symbols.  Disables multiarch build in this case.
   if test x"$libc_cv_gcc_incompatible_alias" = xyes; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: gcc emits a warning for alias between functions of incompatible types" >&5
-$as_echo "$as_me: WARNING: gcc emits a warning for alias between functions of incompatible types" >&2;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: gcc emits a warning for alias between functions of incompatible types" >&5
+printf "%s\n" "$as_me: WARNING: gcc emits a warning for alias between functions of incompatible types" >&2;}
     if test x"$multi_arch" = xyes; then
       as_fn_error $? "--enable-multi-arch support requires a gcc with gnu-indirect-function support" "$LINENO" 5
     fi
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Multi-arch is disabled." >&5
-$as_echo "$as_me: WARNING: Multi-arch is disabled." >&2;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Multi-arch is disabled." >&5
+printf "%s\n" "$as_me: WARNING: Multi-arch is disabled." >&2;}
     multi_arch=no
   elif test x"$multi_arch" = xyes; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: --enable-multi-arch support recommends a gcc with gnu-indirect-function support.
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: --enable-multi-arch support recommends a gcc with gnu-indirect-function support.
 Please use a gcc which supports it by default or configure gcc with --enable-gnu-indirect-function" >&5
-$as_echo "$as_me: WARNING: --enable-multi-arch support recommends a gcc with gnu-indirect-function support.
+printf "%s\n" "$as_me: WARNING: --enable-multi-arch support recommends a gcc with gnu-indirect-function support.
 Please use a gcc which supports it by default or configure gcc with --enable-gnu-indirect-function" >&2;}
   fi
 fi
@@ -5037,8 +6230,8 @@ fi
 # Compute the list of sysdep directories for this configuration.
 # This can take a while to compute.
 sysdep_dir=$srcdir/sysdeps
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking sysdep dirs" >&5
-$as_echo_n "checking sysdep dirs... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking sysdep dirs" >&5
+printf %s "checking sysdep dirs... " >&6; }
 # Make sco3.2v4 become sco3.2.4 and sunos4.1.1_U1 become sunos4.1.1.U1.
 os="`echo $os | sed 's/\([0-9A-Z]\)[v_]\([0-9A-Z]\)/\1.\2/g'`"
 
@@ -5137,7 +6330,7 @@ case $sysnames in
   ;;
 esac
 if test x"$multi_arch" != xno; then
-  $as_echo "#define USE_MULTIARCH 1" >>confdefs.h
+  printf "%s\n" "#define USE_MULTIARCH 1" >>confdefs.h
 
 fi
 
@@ -5202,8 +6395,8 @@ while test $# -gt 0; do
 	  found=yes
 	fi
 	if test $found = no; then
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $name/$implies_file specifies nonexistent $x" >&5
-$as_echo "$as_me: WARNING: $name/$implies_file specifies nonexistent $x" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $name/$implies_file specifies nonexistent $x" >&5
+printf "%s\n" "$as_me: WARNING: $name/$implies_file specifies nonexistent $x" >&2;}
 	fi
       done
     fi
@@ -5235,8 +6428,8 @@ default_sysnames="sysdeps/generic"
 sysnames="$names $default_sysnames"
 
 # The other names were emitted during the scan.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $default_sysnames" >&5
-$as_echo "$default_sysnames" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $default_sysnames" >&5
+printf "%s\n" "$default_sysnames" >&6; }
 
 # if using special system headers, find out the compiler's sekrit
 # header directory and add that to the list.  NOTE: Only does the right
@@ -5283,8 +6476,8 @@ fi
 # - one of the terminals (":" and ";") is the first or last sign
 # - two terminals occur directly after each other
 # - the path contains an element with a dot in it
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking LD_LIBRARY_PATH variable" >&5
-$as_echo_n "checking LD_LIBRARY_PATH variable... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking LD_LIBRARY_PATH variable" >&5
+printf %s "checking LD_LIBRARY_PATH variable... " >&6; }
 case ${LD_LIBRARY_PATH} in
   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
     ld_library_path_setting="contains current directory"
@@ -5293,8 +6486,8 @@ case ${LD_LIBRARY_PATH} in
     ld_library_path_setting="ok"
     ;;
 esac
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_library_path_setting" >&5
-$as_echo "$ld_library_path_setting" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ld_library_path_setting" >&5
+printf "%s\n" "$ld_library_path_setting" >&6; }
 if test "$ld_library_path_setting" != "ok"; then
 as_fn_error $? "
 *** LD_LIBRARY_PATH shouldn't contain the current directory when
@@ -5304,11 +6497,12 @@ fi
 
 # Extract the first word of "bash", so it can be a program name with args.
 set dummy bash; 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_path_BASH_SHELL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_BASH_SHELL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   case $BASH_SHELL in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_BASH_SHELL="$BASH_SHELL" # Let the user override the test with a path.
@@ -5318,11 +6512,15 @@ else
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_path_BASH_SHELL="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_BASH_SHELL="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -5335,22 +6533,23 @@ esac
 fi
 BASH_SHELL=$ac_cv_path_BASH_SHELL
 if test -n "$BASH_SHELL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BASH_SHELL" >&5
-$as_echo "$BASH_SHELL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $BASH_SHELL" >&5
+printf "%s\n" "$BASH_SHELL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
 
 # Extract the first word of "perl", so it can be a program name with args.
 set dummy perl; 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_path_PERL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_PERL+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   case $PERL in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_PERL="$PERL" # Let the user override the test with a path.
@@ -5360,11 +6559,15 @@ else
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_path_PERL="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_PERL="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -5377,11 +6580,11 @@ esac
 fi
 PERL=$ac_cv_path_PERL
 if test -n "$PERL"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PERL" >&5
-$as_echo "$PERL" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PERL" >&5
+printf "%s\n" "$PERL" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -5391,11 +6594,12 @@ if test "$PERL" != no &&
 fi
 # Extract the first word of "install-info", so it can be a program name with args.
 set dummy install-info; 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_path_INSTALL_INFO+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_INSTALL_INFO+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   case $INSTALL_INFO in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_INSTALL_INFO="$INSTALL_INFO" # Let the user override the test with a path.
@@ -5406,11 +6610,15 @@ as_dummy="$PATH:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
 for as_dir in $as_dummy
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_path_INSTALL_INFO="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_INSTALL_INFO="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -5423,20 +6631,21 @@ esac
 fi
 INSTALL_INFO=$ac_cv_path_INSTALL_INFO
 if test -n "$INSTALL_INFO"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL_INFO" >&5
-$as_echo "$INSTALL_INFO" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL_INFO" >&5
+printf "%s\n" "$INSTALL_INFO" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .set assembler directive" >&5
-$as_echo_n "checking for .set assembler directive... " >&6; }
-if ${libc_cv_asm_set_directive+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for .set assembler directive" >&5
+printf %s "checking for .set assembler directive... " >&6; }
+if test ${libc_cv_asm_set_directive+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.s <<EOF
 .text
 foo:
@@ -5458,18 +6667,19 @@ else
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_set_directive" >&5
-$as_echo "$libc_cv_asm_set_directive" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_set_directive" >&5
+printf "%s\n" "$libc_cv_asm_set_directive" >&6; }
 if test $libc_cv_asm_set_directive = yes; then
-  $as_echo "#define HAVE_ASM_SET_DIRECTIVE 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_ASM_SET_DIRECTIVE 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker support for protected data symbol" >&5
-$as_echo_n "checking linker support for protected data symbol... " >&6; }
-if ${libc_cv_protected_data+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking linker support for protected data symbol" >&5
+printf %s "checking linker support for protected data symbol... " >&6; }
+if test ${libc_cv_protected_data+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 		int bar __attribute__ ((visibility ("protected"))) = 1;
 EOF
@@ -5478,7 +6688,7 @@ EOF
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }; then
 		  cat > conftest.c <<EOF
 		  extern int bar;
@@ -5488,7 +6698,7 @@ EOF
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }; then
 		    libc_cv_protected_data=yes
 		  fi
@@ -5496,15 +6706,16 @@ EOF
 		rm -f conftest.*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_protected_data" >&5
-$as_echo "$libc_cv_protected_data" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_protected_data" >&5
+printf "%s\n" "$libc_cv_protected_data" >&6; }
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker support for INSERT in linker script" >&5
-$as_echo_n "checking linker support for INSERT in linker script... " >&6; }
-if ${libc_cv_insert+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking linker support for INSERT in linker script" >&5
+printf %s "checking linker support for INSERT in linker script... " >&6; }
+if test ${libc_cv_insert+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 		int __attribute__ ((section(".bar"))) bar = 0x12345678;
 		int test (void) { return bar; }
@@ -5521,22 +6732,23 @@ EOF
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }; then
 		  libc_cv_insert=yes
 		fi
 		rm -f conftest.*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_insert" >&5
-$as_echo "$libc_cv_insert" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_insert" >&5
+printf "%s\n" "$libc_cv_insert" >&6; }
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken __attribute__((alias()))" >&5
-$as_echo_n "checking for broken __attribute__((alias()))... " >&6; }
-if ${libc_cv_broken_alias_attribute+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for broken __attribute__((alias()))" >&5
+printf %s "checking for broken __attribute__((alias()))... " >&6; }
+if test ${libc_cv_broken_alias_attribute+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 	       extern int foo (int x) __asm ("xyzzy");
 	       int bar (int x) { return x; }
@@ -5550,7 +6762,7 @@ EOF
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }; then
 		 if grep 'xyzzy' conftest.s >/dev/null &&
 		    grep 'abccb' conftest.s >/dev/null; then
@@ -5560,17 +6772,18 @@ EOF
 	       rm -f conftest.c conftest.s
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_broken_alias_attribute" >&5
-$as_echo "$libc_cv_broken_alias_attribute" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_broken_alias_attribute" >&5
+printf "%s\n" "$libc_cv_broken_alias_attribute" >&6; }
 if test $libc_cv_broken_alias_attribute = yes; then
   as_fn_error $? "working alias attribute support required" "$LINENO" 5
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to put _rtld_local into .sdata section" >&5
-$as_echo_n "checking whether to put _rtld_local into .sdata section... " >&6; }
-if ${libc_cv_have_sdata_section+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to put _rtld_local into .sdata section" >&5
+printf %s "checking whether to put _rtld_local into .sdata section... " >&6; }
+if test ${libc_cv_have_sdata_section+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   echo "int i;" > conftest.c
 		libc_cv_have_sdata_section=no
 		if ${CC-cc} $LDFLAGS -fPIC -shared -Wl,--verbose conftest.c -o conftest.so 2>&1 \
@@ -5580,18 +6793,19 @@ else
 		rm -f conftest.c conftest.so
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_sdata_section" >&5
-$as_echo "$libc_cv_have_sdata_section" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_sdata_section" >&5
+printf "%s\n" "$libc_cv_have_sdata_section" >&6; }
 if test $libc_cv_have_sdata_section = yes; then
-  $as_echo "#define HAVE_SDATA_SECTION 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_SDATA_SECTION 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libunwind-support in compiler" >&5
-$as_echo_n "checking for libunwind-support in compiler... " >&6; }
-if ${libc_cv_cc_with_libunwind+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libunwind-support in compiler" >&5
+printf %s "checking for libunwind-support in compiler... " >&6; }
+if test ${libc_cv_cc_with_libunwind+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   cat > conftest.c <<EOF
 int main (void) { return 0; }
@@ -5604,20 +6818,21 @@ EOF
   fi
   rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_with_libunwind" >&5
-$as_echo "$libc_cv_cc_with_libunwind" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_with_libunwind" >&5
+printf "%s\n" "$libc_cv_cc_with_libunwind" >&6; }
 
 if test $libc_cv_cc_with_libunwind = yes; then
-  $as_echo "#define HAVE_CC_WITH_LIBUNWIND 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_CC_WITH_LIBUNWIND 1" >>confdefs.h
 
 fi
 
 ASFLAGS_config=
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether --noexecstack is desirable for .S files" >&5
-$as_echo_n "checking whether --noexecstack is desirable for .S files... " >&6; }
-if ${libc_cv_as_noexecstack+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether --noexecstack is desirable for .S files" >&5
+printf %s "checking whether --noexecstack is desirable for .S files... " >&6; }
+if test ${libc_cv_as_noexecstack+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 void foo (void) { }
 EOF
@@ -5626,7 +6841,7 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; } \
    && grep .note.GNU-stack conftest.s >/dev/null \
    && { ac_try='${CC-cc} $ASFLAGS -Wa,--noexecstack
@@ -5634,7 +6849,7 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then
   libc_cv_as_noexecstack=yes
@@ -5643,15 +6858,15 @@ else
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_as_noexecstack" >&5
-$as_echo "$libc_cv_as_noexecstack" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_as_noexecstack" >&5
+printf "%s\n" "$libc_cv_as_noexecstack" >&6; }
 if test $libc_cv_as_noexecstack = yes; then
   ASFLAGS_config="$ASFLAGS_config -Wa,--noexecstack"
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z execstack" >&5
-$as_echo_n "checking for linker that supports -z execstack... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z execstack" >&5
+printf %s "checking for linker that supports -z execstack... " >&6; }
 libc_linker_feature=no
 cat > conftest.c <<EOF
 int _start (void) { return 42; }
@@ -5663,7 +6878,7 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then
   if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,execstack -nostdlib \
@@ -5680,12 +6895,12 @@ if test $libc_linker_feature = yes; then
 else
   libc_cv_z_execstack=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
-$as_echo "$libc_linker_feature" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+printf "%s\n" "$libc_linker_feature" >&6; }
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z start-stop-gc" >&5
-$as_echo_n "checking for linker that supports -z start-stop-gc... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z start-stop-gc" >&5
+printf %s "checking for linker that supports -z start-stop-gc... " >&6; }
 libc_linker_feature=no
 cat > conftest.c <<EOF
 int _start (void) { return 42; }
@@ -5697,7 +6912,7 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then
   if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,start-stop-gc -nostdlib \
@@ -5714,13 +6929,13 @@ if test $libc_linker_feature = yes; then
 else
   libc_cv_z_start_stop_gc=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
-$as_echo "$libc_linker_feature" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+printf "%s\n" "$libc_linker_feature" >&6; }
 config_vars="$config_vars
 have-z-start-stop-gc = $libc_cv_z_start_stop_gc"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --depaudit" >&5
-$as_echo_n "checking for linker that supports --depaudit... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker that supports --depaudit" >&5
+printf %s "checking for linker that supports --depaudit... " >&6; }
 libc_linker_feature=no
 cat > conftest.c <<EOF
 int _start (void) { return 42; }
@@ -5732,7 +6947,7 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then
   if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--depaudit,x -nostdlib \
@@ -5749,13 +6964,13 @@ if test $libc_linker_feature = yes; then
 else
   libc_cv_depaudit=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
-$as_echo "$libc_linker_feature" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+printf "%s\n" "$libc_linker_feature" >&6; }
 config_vars="$config_vars
 have-depaudit = $libc_cv_depaudit"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z pack-relative-relocs" >&5
-$as_echo_n "checking for linker that supports -z pack-relative-relocs... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z pack-relative-relocs" >&5
+printf %s "checking for linker that supports -z pack-relative-relocs... " >&6; }
 libc_linker_feature=no
 cat > conftest.c <<EOF
 int _start (void) { return 42; }
@@ -5767,7 +6982,7 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then
   if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,pack-relative-relocs -nostdlib \
@@ -5784,13 +6999,13 @@ if test $libc_linker_feature = yes; then
 else
   libc_cv_dt_relr=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
-$as_echo "$libc_linker_feature" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+printf "%s\n" "$libc_linker_feature" >&6; }
 config_vars="$config_vars
 have-dt-relr = $libc_cv_dt_relr"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --no-dynamic-linker" >&5
-$as_echo_n "checking for linker that supports --no-dynamic-linker... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker that supports --no-dynamic-linker" >&5
+printf %s "checking for linker that supports --no-dynamic-linker... " >&6; }
 libc_linker_feature=no
 cat > conftest.c <<EOF
 int _start (void) { return 42; }
@@ -5802,7 +7017,7 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then
   if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--no-dynamic-linker -nostdlib \
@@ -5819,60 +7034,65 @@ if test $libc_linker_feature = yes; then
 else
   libc_cv_no_dynamic_linker=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
-$as_echo "$libc_linker_feature" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+printf "%s\n" "$libc_linker_feature" >&6; }
 config_vars="$config_vars
 have-no-dynamic-linker = $libc_cv_no_dynamic_linker"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -static-pie" >&5
-$as_echo_n "checking for -static-pie... " >&6; }
-if ${libc_cv_static_pie+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -static-pie" >&5
+printf %s "checking for -static-pie... " >&6; }
+if test ${libc_cv_static_pie+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if { ac_try='${CC-cc} -static-pie -xc /dev/null -S -o /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
   libc_cv_static_pie=yes
-else
+else $as_nop
   libc_cv_static_pie=no
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_static_pie" >&5
-$as_echo "$libc_cv_static_pie" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_static_pie" >&5
+printf "%s\n" "$libc_cv_static_pie" >&6; }
 config_vars="$config_vars
 have-static-pie = $libc_cv_static_pie"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fpie" >&5
-$as_echo_n "checking for -fpie... " >&6; }
-if ${libc_cv_fpie+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -fpie" >&5
+printf %s "checking for -fpie... " >&6; }
+if test ${libc_cv_fpie+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if { ac_try='${CC-cc} -fpie -xc /dev/null -S -o /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
   libc_cv_fpie=yes
-else
+else $as_nop
   libc_cv_fpie=no
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_fpie" >&5
-$as_echo "$libc_cv_fpie" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_fpie" >&5
+printf "%s\n" "$libc_cv_fpie" >&6; }
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GLOB_DAT reloc" >&5
-$as_echo_n "checking for GLOB_DAT reloc... " >&6; }
-if ${libc_cv_has_glob_dat+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GLOB_DAT reloc" >&5
+printf %s "checking for GLOB_DAT reloc... " >&6; }
+if test ${libc_cv_has_glob_dat+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 extern int mumble;
 int foo (void) { return mumble; }
@@ -5884,7 +7104,7 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then
   if $READELF -rW conftest.so | grep '_GLOB_DAT' > /dev/null; then
@@ -5897,15 +7117,16 @@ else
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_has_glob_dat" >&5
-$as_echo "$libc_cv_has_glob_dat" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_has_glob_dat" >&5
+printf "%s\n" "$libc_cv_has_glob_dat" >&6; }
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mtls-dialect=gnu2" >&5
-$as_echo_n "checking for -mtls-dialect=gnu2... " >&6; }
-if ${libc_cv_mtls_dialect_gnu2+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -mtls-dialect=gnu2" >&5
+printf %s "checking for -mtls-dialect=gnu2... " >&6; }
+if test ${libc_cv_mtls_dialect_gnu2+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 __thread int i;
 void foo (void)
@@ -5918,7 +7139,7 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -fPIC -mtls-dialect=gnu2 -nostdlib -nost
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then
   libc_cv_mtls_dialect_gnu2=yes
@@ -5927,17 +7148,18 @@ else
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mtls_dialect_gnu2" >&5
-$as_echo "$libc_cv_mtls_dialect_gnu2" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mtls_dialect_gnu2" >&5
+printf "%s\n" "$libc_cv_mtls_dialect_gnu2" >&6; }
 
 config_vars="$config_vars
 have-mtls-dialect-gnu2 = $libc_cv_mtls_dialect_gnu2"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if -Wno-ignored-attributes is required for aliases" >&5
-$as_echo_n "checking if -Wno-ignored-attributes is required for aliases... " >&6; }
-if ${libc_cv_wno_ignored_attributes+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if -Wno-ignored-attributes is required for aliases" >&5
+printf %s "checking if -Wno-ignored-attributes is required for aliases... " >&6; }
+if test ${libc_cv_wno_ignored_attributes+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 void __foo (void)
 {
@@ -5950,23 +7172,24 @@ if ! { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -c conftest.c'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then
   libc_cv_wno_ignored_attributes="-Wno-ignored-attributes"
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_wno_ignored_attributes" >&5
-$as_echo "$libc_cv_wno_ignored_attributes" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_wno_ignored_attributes" >&5
+printf "%s\n" "$libc_cv_wno_ignored_attributes" >&6; }
 config_vars="$config_vars
 config-cflags-wno-ignored-attributes = $libc_cv_wno_ignored_attributes"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether cc puts quotes around section names" >&5
-$as_echo_n "checking whether cc puts quotes around section names... " >&6; }
-if ${libc_cv_have_section_quotes+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether cc puts quotes around section names" >&5
+printf %s "checking whether cc puts quotes around section names... " >&6; }
+if test ${libc_cv_have_section_quotes+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 		static const int foo
 		__attribute__ ((section ("bar"))) = 1;
@@ -5983,18 +7206,19 @@ EOF
 		rm -f conftest.{c,s}
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_section_quotes" >&5
-$as_echo "$libc_cv_have_section_quotes" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_section_quotes" >&5
+printf "%s\n" "$libc_cv_have_section_quotes" >&6; }
 if test $libc_cv_have_section_quotes = yes; then
-  $as_echo "#define HAVE_SECTION_QUOTES 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_SECTION_QUOTES 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_memset" >&5
-$as_echo_n "checking for __builtin_memset... " >&6; }
-if ${libc_cv_gcc_builtin_memset+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_memset" >&5
+printf %s "checking for __builtin_memset... " >&6; }
+if test ${libc_cv_gcc_builtin_memset+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<\EOF
 void zero (void *x)
 {
@@ -6005,7 +7229,7 @@ if { ac_try='${CC-cc} -O3 -S conftest.c -o - | grep -F "memset" > /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; };
 then
   libc_cv_gcc_builtin_memset=no
@@ -6014,18 +7238,19 @@ else
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_builtin_memset" >&5
-$as_echo "$libc_cv_gcc_builtin_memset" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_builtin_memset" >&5
+printf "%s\n" "$libc_cv_gcc_builtin_memset" >&6; }
 if test "$libc_cv_gcc_builtin_memset" = yes ; then
-  $as_echo "#define HAVE_BUILTIN_MEMSET 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_BUILTIN_MEMSET 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for redirection of built-in functions" >&5
-$as_echo_n "checking for redirection of built-in functions... " >&6; }
-if ${libc_cv_gcc_builtin_redirection+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for redirection of built-in functions" >&5
+printf %s "checking for redirection of built-in functions... " >&6; }
+if test ${libc_cv_gcc_builtin_redirection+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<\EOF
 extern char *strstr (const char *, const char *) __asm ("my_strstr");
 char *foo (const char *a, const char *b)
@@ -6037,7 +7262,7 @@ if { ac_try='${CC-cc} -O3 -S conftest.c -o - | grep -F "my_strstr" > /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; };
 then
   libc_cv_gcc_builtin_redirection=yes
@@ -6046,90 +7271,97 @@ else
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_builtin_redirection" >&5
-$as_echo "$libc_cv_gcc_builtin_redirection" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_builtin_redirection" >&5
+printf "%s\n" "$libc_cv_gcc_builtin_redirection" >&6; }
 if test "$libc_cv_gcc_builtin_redirection" = no; then
   as_fn_error $? "support for the symbol redirection needed" "$LINENO" 5
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for compiler option to disable generation of FMA instructions" >&5
-$as_echo_n "checking for compiler option to disable generation of FMA instructions... " >&6; }
-if ${libc_cv_cc_nofma+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for compiler option to disable generation of FMA instructions" >&5
+printf %s "checking for compiler option to disable generation of FMA instructions... " >&6; }
+if test ${libc_cv_cc_nofma+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   libc_cv_cc_nofma=
 for opt in -ffp-contract=off -mno-fused-madd; do
   if { ac_try='${CC-cc} $opt -xc /dev/null -S -o /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
   libc_cv_cc_nofma=$opt; break
 fi
 done
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_nofma" >&5
-$as_echo "$libc_cv_cc_nofma" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_nofma" >&5
+printf "%s\n" "$libc_cv_cc_nofma" >&6; }
 
 
 if test -n "$submachine"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for compiler option for CPU variant" >&5
-$as_echo_n "checking for compiler option for CPU variant... " >&6; }
-if ${libc_cv_cc_submachine+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for compiler option for CPU variant" >&5
+printf %s "checking for compiler option for CPU variant... " >&6; }
+if test ${libc_cv_cc_submachine+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
     libc_cv_cc_submachine=no
   for opt in "-march=$submachine" "-mcpu=$submachine"; do
     if { ac_try='${CC-cc} $opt -xc /dev/null -S -o /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
 
       libc_cv_cc_submachine="$opt"
       break
 fi
   done
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_submachine" >&5
-$as_echo "$libc_cv_cc_submachine" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_submachine" >&5
+printf "%s\n" "$libc_cv_cc_submachine" >&6; }
   if test "x$libc_cv_cc_submachine" = xno; then
     as_fn_error $? "${CC-cc} does not support $submachine" "$LINENO" 5
   fi
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for compiler option that -fsignaling-nans" >&5
-$as_echo_n "checking for compiler option that -fsignaling-nans... " >&6; }
-if ${libc_cv_cc_signaling_nans+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for compiler option that -fsignaling-nans" >&5
+printf %s "checking for compiler option that -fsignaling-nans... " >&6; }
+if test ${libc_cv_cc_signaling_nans+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if { ac_try='${CC-cc} -Werror -fsignaling-nans -xc /dev/null -S -o /dev/null'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
   libc_cv_cc_signaling_nans=-fsignaling-nans
-else
+else $as_nop
   libc_cv_cc_signaling_nans=
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_signaling_nans" >&5
-$as_echo "$libc_cv_cc_signaling_nans" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_signaling_nans" >&5
+printf "%s\n" "$libc_cv_cc_signaling_nans" >&6; }
 config_vars="$config_vars
 config-cflags-signaling-nans = $libc_cv_cc_signaling_nans"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC accepts -fno-tree-loop-distribute-patterns with \
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC accepts -fno-tree-loop-distribute-patterns with \
 __attribute__ ((__optimize__))" >&5
-$as_echo_n "checking if $CC accepts -fno-tree-loop-distribute-patterns with \
+printf %s "checking if $CC accepts -fno-tree-loop-distribute-patterns with \
 __attribute__ ((__optimize__))... " >&6; }
-if ${libc_cv_cc_loop_to_function+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+if test ${libc_cv_cc_loop_to_function+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.c <<EOF
 void
 __attribute__ ((__optimize__ ("-fno-tree-loop-distribute-patterns")))
@@ -6140,23 +7372,23 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -c conftest.c'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then
   libc_cv_cc_loop_to_function=yes
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_loop_to_function" >&5
-$as_echo "$libc_cv_cc_loop_to_function" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_loop_to_function" >&5
+printf "%s\n" "$libc_cv_cc_loop_to_function" >&6; }
 if test $libc_cv_cc_loop_to_function = yes; then
-  $as_echo "#define HAVE_CC_INHIBIT_LOOP_TO_LIBCALL 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_CC_INHIBIT_LOOP_TO_LIBCALL 1" >>confdefs.h
 
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libgd" >&5
-$as_echo_n "checking for libgd... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libgd" >&5
+printf %s "checking for libgd... " >&6; }
 if test "$with_gd" != "no"; then
   old_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS $libgd_include"
@@ -6168,19 +7400,20 @@ if test "$with_gd" != "no"; then
 /* end confdefs.h.  */
 #include <gd.h>
 int
-main ()
+main (void)
 {
 gdImagePng (0, 0)
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   LIBGD=yes
-else
+else $as_nop
   LIBGD=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   CFLAGS="$old_CFLAGS"
   LDFLAGS="$old_LDFLAGS"
@@ -6188,8 +7421,8 @@ rm -f core conftest.err conftest.$ac_objext \
 else
   LIBGD=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIBGD" >&5
-$as_echo "$LIBGD" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LIBGD" >&5
+printf "%s\n" "$LIBGD" >&6; }
 
 
 # SELinux detection
@@ -6197,11 +7430,12 @@ if test x$with_selinux = xno ; then
   have_selinux=no;
 else
   # See if we have the SELinux library
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for is_selinux_enabled in -lselinux" >&5
-$as_echo_n "checking for is_selinux_enabled in -lselinux... " >&6; }
-if ${ac_cv_lib_selinux_is_selinux_enabled+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for is_selinux_enabled in -lselinux" >&5
+printf %s "checking for is_selinux_enabled in -lselinux... " >&6; }
+if test ${ac_cv_lib_selinux_is_selinux_enabled+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lselinux  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6210,32 +7444,31 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char is_selinux_enabled ();
 int
-main ()
+main (void)
 {
 return is_selinux_enabled ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_selinux_is_selinux_enabled=yes
-else
+else $as_nop
   ac_cv_lib_selinux_is_selinux_enabled=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_selinux_is_selinux_enabled" >&5
-$as_echo "$ac_cv_lib_selinux_is_selinux_enabled" >&6; }
-if test "x$ac_cv_lib_selinux_is_selinux_enabled" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_selinux_is_selinux_enabled" >&5
+printf "%s\n" "$ac_cv_lib_selinux_is_selinux_enabled" >&6; }
+if test "x$ac_cv_lib_selinux_is_selinux_enabled" = xyes
+then :
   have_selinux=yes
-else
+else $as_nop
   have_selinux=no
 fi
 
@@ -6248,15 +7481,16 @@ fi
 # Check if we're building with SELinux support.
 if test "x$have_selinux" = xyes; then
 
-$as_echo "#define HAVE_SELINUX 1" >>confdefs.h
+printf "%s\n" "#define HAVE_SELINUX 1" >>confdefs.h
 
 
   # See if we have the libaudit library
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for audit_log_user_avc_message in -laudit" >&5
-$as_echo_n "checking for audit_log_user_avc_message in -laudit... " >&6; }
-if ${ac_cv_lib_audit_audit_log_user_avc_message+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for audit_log_user_avc_message in -laudit" >&5
+printf %s "checking for audit_log_user_avc_message in -laudit... " >&6; }
+if test ${ac_cv_lib_audit_audit_log_user_avc_message+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-laudit  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6265,48 +7499,48 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char audit_log_user_avc_message ();
 int
-main ()
+main (void)
 {
 return audit_log_user_avc_message ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_audit_audit_log_user_avc_message=yes
-else
+else $as_nop
   ac_cv_lib_audit_audit_log_user_avc_message=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_audit_audit_log_user_avc_message" >&5
-$as_echo "$ac_cv_lib_audit_audit_log_user_avc_message" >&6; }
-if test "x$ac_cv_lib_audit_audit_log_user_avc_message" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_audit_audit_log_user_avc_message" >&5
+printf "%s\n" "$ac_cv_lib_audit_audit_log_user_avc_message" >&6; }
+if test "x$ac_cv_lib_audit_audit_log_user_avc_message" = xyes
+then :
   have_libaudit=yes
-else
+else $as_nop
   have_libaudit=no
 fi
 
   if test "x$have_libaudit" = xyes; then
 
-$as_echo "#define HAVE_LIBAUDIT 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LIBAUDIT 1" >>confdefs.h
 
   fi
 
 
   # See if we have the libcap library
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cap_init in -lcap" >&5
-$as_echo_n "checking for cap_init in -lcap... " >&6; }
-if ${ac_cv_lib_cap_cap_init+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cap_init in -lcap" >&5
+printf %s "checking for cap_init in -lcap... " >&6; }
+if test ${ac_cv_lib_cap_cap_init+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcap  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6315,38 +7549,37 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char cap_init ();
 int
-main ()
+main (void)
 {
 return cap_init ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_cap_cap_init=yes
-else
+else $as_nop
   ac_cv_lib_cap_cap_init=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cap_cap_init" >&5
-$as_echo "$ac_cv_lib_cap_cap_init" >&6; }
-if test "x$ac_cv_lib_cap_cap_init" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cap_cap_init" >&5
+printf "%s\n" "$ac_cv_lib_cap_cap_init" >&6; }
+if test "x$ac_cv_lib_cap_cap_init" = xyes
+then :
   have_libcap=yes
-else
+else $as_nop
   have_libcap=no
 fi
 
   if test "x$have_libcap" = xyes; then
 
-$as_echo "#define HAVE_LIBCAP 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LIBCAP 1" >>confdefs.h
 
   fi
 
@@ -6354,16 +7587,17 @@ fi
 
 
 CPPUNDEFS=
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FORTIFY_SOURCE predefine" >&5
-$as_echo_n "checking for _FORTIFY_SOURCE predefine... " >&6; }
-if ${libc_cv_predef_fortify_source+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for _FORTIFY_SOURCE predefine" >&5
+printf %s "checking for _FORTIFY_SOURCE predefine... " >&6; }
+if test ${libc_cv_predef_fortify_source+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
 #ifdef _FORTIFY_SOURCE
@@ -6373,25 +7607,27 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_cv_predef_fortify_source=no
-else
+else $as_nop
   libc_cv_predef_fortify_source=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_predef_fortify_source" >&5
-$as_echo "$libc_cv_predef_fortify_source" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_predef_fortify_source" >&5
+printf "%s\n" "$libc_cv_predef_fortify_source" >&6; }
 if test $libc_cv_predef_fortify_source = yes; then
   CPPUNDEFS="${CPPUNDEFS:+$CPPUNDEFS }-U_FORTIFY_SOURCE"
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the assembler requires one version per symbol" >&5
-$as_echo_n "checking whether the assembler requires one version per symbol... " >&6; }
-if ${libc_cv_symver_needs_alias+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the assembler requires one version per symbol" >&5
+printf %s "checking whether the assembler requires one version per symbol... " >&6; }
+if test ${libc_cv_symver_needs_alias+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
     cat > conftest.s <<EOF
         .text
 testfunc:
@@ -6408,31 +7644,33 @@ EOF
   rm conftest.*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_symver_needs_alias" >&5
-$as_echo "$libc_cv_symver_needs_alias" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_symver_needs_alias" >&5
+printf "%s\n" "$libc_cv_symver_needs_alias" >&6; }
 if test "$libc_cv_symver_needs_alias" = yes; then
-  $as_echo "#define SYMVER_NEEDS_ALIAS 1" >>confdefs.h
+  printf "%s\n" "#define SYMVER_NEEDS_ALIAS 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_trap with no external dependencies" >&5
-$as_echo_n "checking for __builtin_trap with no external dependencies... " >&6; }
-if ${libc_cv_builtin_trap+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_trap with no external dependencies" >&5
+printf %s "checking for __builtin_trap with no external dependencies... " >&6; }
+if test ${libc_cv_builtin_trap+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   libc_cv_builtin_trap=no
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 __builtin_trap ()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
 
 libc_undefs=`$NM -u conftest.o |
   LC_ALL=C $AWK '$1 == "U" { print $2 | "sort -u"; next } { exit(1) }' \
@@ -6444,12 +7682,12 @@ if test -z "$libc_undefs"; then
   libc_cv_builtin_trap=yes
 fi
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_builtin_trap" >&5
-$as_echo "$libc_cv_builtin_trap" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_builtin_trap" >&5
+printf "%s\n" "$libc_cv_builtin_trap" >&6; }
 if test $libc_cv_builtin_trap = yes; then
-  $as_echo "#define HAVE_BUILTIN_TRAP 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_BUILTIN_TRAP 1" >>confdefs.h
 
 fi
 
@@ -6460,11 +7698,12 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler supports thread_local" >&5
-$as_echo_n "checking whether the C++ compiler supports thread_local... " >&6; }
-if ${libc_cv_cxx_thread_local+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler supports thread_local" >&5
+printf %s "checking whether the C++ compiler supports thread_local... " >&6; }
+if test ${libc_cv_cxx_thread_local+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 old_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS="$CXXFLAGS -std=gnu++11"
@@ -6488,17 +7727,18 @@ S * get () { return &s; }
 #endif
 
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"
+then :
   libc_cv_cxx_thread_local=yes
-else
+else $as_nop
   libc_cv_cxx_thread_local=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 CXXFLAGS="$old_CXXFLAGS"
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cxx_thread_local" >&5
-$as_echo "$libc_cv_cxx_thread_local" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cxx_thread_local" >&5
+printf "%s\n" "$libc_cv_cxx_thread_local" >&6; }
 
 
 ac_ext=c
@@ -6528,8 +7768,8 @@ for dir in $sysnames; do
     *)  dest=$srcdir/$dir ;;
   esac
   if test -r $dest/configure; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: running configure fragment for $dir" >&5
-$as_echo "running configure fragment for $dir" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: running configure fragment for $dir" >&5
+printf "%s\n" "running configure fragment for $dir" >&6; }
     . $dest/configure
   fi
 done
@@ -6544,7 +7784,7 @@ build-mathvec = $build_mathvec"
 
 
 if test x$libc_cv_gcc_unwind_find_fde = xyes; then
-  $as_echo "#define EXPORT_UNWIND_FIND_FDE 1" >>confdefs.h
+  printf "%s\n" "#define EXPORT_UNWIND_FIND_FDE 1" >>confdefs.h
 
 fi
 
@@ -6552,14 +7792,14 @@ fi
 # A sysdeps configure fragment can reset this if IFUNC is not actually
 # usable even though the assembler knows how to generate the symbol type.
 if test x"$libc_cv_ld_gnu_indirect_function" = xyes; then
-  $as_echo "#define HAVE_IFUNC 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_IFUNC 1" >>confdefs.h
 
 fi
 config_vars="$config_vars
 have-ifunc = $libc_cv_ld_gnu_indirect_function"
 
 if test x"$libc_cv_gcc_indirect_function" = xyes; then
-  $as_echo "#define HAVE_GCC_IFUNC 1" >>confdefs.h
+  printf "%s\n" "#define HAVE_GCC_IFUNC 1" >>confdefs.h
 
 fi
 config_vars="$config_vars
@@ -6569,7 +7809,7 @@ have-gcc-ifunc = $libc_cv_gcc_indirect_function"
 # configure fragment can override the value to prevent this AC_DEFINE.
 
 if test "x$use_nscd" != xno; then
-  $as_echo "#define USE_NSCD 1" >>confdefs.h
+  printf "%s\n" "#define USE_NSCD 1" >>confdefs.h
 
 fi
 if test "x$build_nscd" = xdefault; then
@@ -6584,7 +7824,7 @@ fi
 
 
 if test x$use_ldconfig = xyes; then
-  $as_echo "#define USE_LDCONFIG 1" >>confdefs.h
+  printf "%s\n" "#define USE_LDCONFIG 1" >>confdefs.h
 
 fi
 
@@ -6593,11 +7833,12 @@ fi
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -fPIC is default" >&5
-$as_echo_n "checking whether -fPIC is default... " >&6; }
-if ${libc_cv_pic_default+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -fPIC is default" >&5
+printf %s "checking whether -fPIC is default... " >&6; }
+if test ${libc_cv_pic_default+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   libc_cv_pic_default=yes
 cat > conftest.c <<EOF
 #if defined __PIC__ || defined __pic__ || defined PIC || defined pic
@@ -6609,16 +7850,17 @@ if eval "${CC-cc} -S conftest.c 2>&5 1>&5"; then
 fi
 rm -f conftest.*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_pic_default" >&5
-$as_echo "$libc_cv_pic_default" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_pic_default" >&5
+printf "%s\n" "$libc_cv_pic_default" >&6; }
 config_vars="$config_vars
 build-pic-default = $libc_cv_pic_default"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -fPIE is default" >&5
-$as_echo_n "checking whether -fPIE is default... " >&6; }
-if ${libc_cv_cc_pie_default+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -fPIE is default" >&5
+printf %s "checking whether -fPIE is default... " >&6; }
+if test ${libc_cv_cc_pie_default+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   libc_cv_cc_pie_default=yes
 cat > conftest.c <<EOF
 #if defined __PIE__ || defined __pie__ || defined PIE || defined pie
@@ -6630,27 +7872,28 @@ if eval "${CC-cc} -S conftest.c 2>&5 1>&5"; then
 fi
 rm -f conftest.*
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_pie_default" >&5
-$as_echo "$libc_cv_cc_pie_default" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_pie_default" >&5
+printf "%s\n" "$libc_cv_cc_pie_default" >&6; }
 config_vars="$config_vars
 cc-pie-default = $libc_cv_cc_pie_default"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can build programs as PIE" >&5
-$as_echo_n "checking if we can build programs as PIE... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we can build programs as PIE" >&5
+printf %s "checking if we can build programs as PIE... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef PIE_UNSUPPORTED
 # error PIE is not supported
 #endif
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_cv_pie_supported=yes
-else
+else $as_nop
   libc_cv_pie_supported=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_pie_supported" >&5
-$as_echo "$libc_cv_pie_supported" >&6; }
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_pie_supported" >&5
+printf "%s\n" "$libc_cv_pie_supported" >&6; }
 # Disable build-pie-default if target does not support it or glibc is
 # configured with --disable-default-pie.
 if test "x$default_pie" = xno; then
@@ -6661,8 +7904,8 @@ fi
 config_vars="$config_vars
 build-pie-default = $build_pie_default"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can build static PIE programs" >&5
-$as_echo_n "checking if we can build static PIE programs... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we can build static PIE programs" >&5
+printf %s "checking if we can build static PIE programs... " >&6; }
 libc_cv_static_pie_supported=$libc_cv_pie_supported
 if test "x$libc_cv_pie_supported" != xno \
    -a "$libc_cv_no_dynamic_linker" = yes; then
@@ -6672,15 +7915,16 @@ if test "x$libc_cv_pie_supported" != xno \
 # error static PIE is not supported
 #endif
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   libc_cv_static_pie_supported=yes
-else
+else $as_nop
   libc_cv_static_pie_supported=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_static_pie_supported" >&5
-$as_echo "$libc_cv_static_pie_supported" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_static_pie_supported" >&5
+printf "%s\n" "$libc_cv_static_pie_supported" >&6; }
 
 # Enable static-pie only if it is available and glibc isn't configured
 # with --disable-default-pie.
@@ -6690,7 +7934,7 @@ else
   libc_cv_static_pie=$libc_cv_static_pie_supported
 fi
 if test "$libc_cv_static_pie" = "yes"; then
-  $as_echo "#define ENABLE_STATIC_PIE 1" >>confdefs.h
+  printf "%s\n" "#define ENABLE_STATIC_PIE 1" >>confdefs.h
 
 fi
 config_vars="$config_vars
@@ -6714,7 +7958,7 @@ RELEASE=`sed -n -e 's/^#define RELEASE "\([^"]*\)"/\1/p' < $srcdir/version.h`
 
 
 if test "$pthread_in_libc" = yes; then
-  $as_echo "#define PTHREAD_IN_LIBC 1" >>confdefs.h
+  printf "%s\n" "#define PTHREAD_IN_LIBC 1" >>confdefs.h
 
 fi
 
@@ -6750,8 +7994,8 @@ _ACEOF
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
@@ -6781,15 +8025,15 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      /^ac_cv_env_/b end
      t clear
      :clear
-     s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+     s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/
      t end
      s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
     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 $cache_file" >&6;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
       if test ! -f "$cache_file" || test -h "$cache_file"; then
 	cat confcache >"$cache_file"
       else
@@ -6803,8 +8047,8 @@ $as_echo "$as_me: updating cache $cache_file" >&6;}
       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 $cache_file" >&6;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
 rm -f confcache
@@ -6821,7 +8065,7 @@ 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$//'
-  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+  ac_i=`printf "%s\n" "$ac_i" | sed "$ac_script"`
   # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
   #    will be set to the directory where LIBOBJS objects are built.
   as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
@@ -6837,8 +8081,8 @@ LTLIBOBJS=$ac_ltlibobjs
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
-$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;}
 as_write_fail=0
 cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
 #! $SHELL
@@ -6861,14 +8105,16 @@ cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+as_nop=:
+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else
+else $as_nop
   case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
@@ -6878,46 +8124,46 @@ esac
 fi
 
 
+
+# Reset variables that may have inherited troublesome values from
+# the environment.
+
+# IFS needs to be set, to space, tab, and newline, in precisely that order.
+# (If _AS_PATH_WALK were called with IFS unset, it would have the
+# side effect of setting IFS to empty, thus disabling word splitting.)
+# Quoting is to prevent editors from complaining about space-tab.
 as_nl='
 '
 export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-# Prefer a ksh shell builtin over an external printf program on Solaris,
-# but without wasting forks for bash or zsh.
-if test -z "$BASH_VERSION$ZSH_VERSION" \
-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='print -r --'
-  as_echo_n='print -rn --'
-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in #(
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
+IFS=" ""	$as_nl"
+
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# Ensure predictable behavior from utilities with locale-dependent output.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# We cannot yet rely on "unset" to work, but we need these variables
+# to be unset--not just set to an empty or harmless value--now, to
+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
+# also avoids known problems related to "unset" and subshell syntax
+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
+do eval test \${$as_var+y} \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+
+# Ensure that fds 0, 1, and 2 are open.
+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
+if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
 
 # The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
+if ${PATH_SEPARATOR+false} :; then
   PATH_SEPARATOR=:
   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
     (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -6926,13 +8172,6 @@ if test "${PATH_SEPARATOR+set}" != set; then
 fi
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.  Quoting is
-# there to prevent editors from complaining about space-tab.
-# (If _AS_PATH_WALK were called with IFS unset, it would disable word
-# splitting by setting IFS to empty value.)
-IFS=" ""	$as_nl"
-
 # Find who we are.  Look in the path if we contain no directory separator.
 as_myself=
 case $0 in #((
@@ -6941,8 +8180,12 @@ case $0 in #((
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
   done
 IFS=$as_save_IFS
 
@@ -6954,30 +8197,10 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
-# Unset variables that we do not need and which cause bugs (e.g. in
-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
-# suppresses any "Segmentation fault" message there.  '((' could
-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
@@ -6990,13 +8213,14 @@ as_fn_error ()
   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" >&$4
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  $as_echo "$as_me: error: $2" >&2
+  printf "%s\n" "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
 
+
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -7023,18 +8247,20 @@ as_fn_unset ()
   { eval $1=; unset $1;}
 }
 as_unset=as_fn_unset
+
 # as_fn_append VAR VALUE
 # ----------------------
 # Append the text in VALUE to the end of the definition contained in VAR. Take
 # advantage of any shell optimizations that allow amortized linear growth over
 # repeated appends, instead of the typical quadratic growth present in naive
 # implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
+then :
   eval 'as_fn_append ()
   {
     eval $1+=\$2
   }'
-else
+else $as_nop
   as_fn_append ()
   {
     eval $1=\$$1\$2
@@ -7046,12 +8272,13 @@ fi # as_fn_append
 # Perform arithmetic evaluation on the ARGs, and store the result in the
 # global $as_val. Take advantage of shells that can avoid forks. The arguments
 # must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
   eval 'as_fn_arith ()
   {
     as_val=$(( $* ))
   }'
-else
+else $as_nop
   as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
@@ -7082,7 +8309,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
+printf "%s\n" X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -7104,6 +8331,10 @@ as_cr_Letters=$as_cr_letters$as_cr_LETTERS
 as_cr_digits='0123456789'
 as_cr_alnum=$as_cr_Letters$as_cr_digits
 
+
+# Determine whether it's possible to make 'echo' print without a newline.
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
+# for compatibility with existing Makefiles.
 ECHO_C= ECHO_N= ECHO_T=
 case `echo -n x` in #(((((
 -n*)
@@ -7117,6 +8348,12 @@ case `echo -n x` in #(((((
   ECHO_N='-n';;
 esac
 
+# For backward compatibility with old third-party macros, we provide
+# the shell variables $as_echo and $as_echo_n.  New code should use
+# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
+as_echo='printf %s\n'
+as_echo_n='printf %s'
+
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -7158,7 +8395,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -7167,7 +8404,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
+printf "%s\n" X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -7230,7 +8467,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by GNU C Library $as_me (see version.h), which was
-generated by GNU Autoconf 2.69.  Invocation command line was
+generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -7291,17 +8528,19 @@ $config_commands
 
 Report bugs to <https://sourceware.org/bugzilla/>.
 GNU C Library home page: <https://www.gnu.org/software/glibc/>.
-General help using GNU software: <http://www.gnu.org/gethelp/>."
+General help using GNU software: <https://www.gnu.org/gethelp/>."
 
 _ACEOF
+ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"`
+ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"`
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
+ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
 GNU C Library config.status (see version.h)
-configured by $0, generated by GNU Autoconf 2.69,
+configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2012 Free Software Foundation, Inc.
+Copyright (C) 2021 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -7339,15 +8578,15 @@ do
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
-    $as_echo "$ac_cs_version"; exit ;;
+    printf "%s\n" "$ac_cs_version"; exit ;;
   --config | --confi | --conf | --con | --co | --c )
-    $as_echo "$ac_cs_config"; exit ;;
+    printf "%s\n" "$ac_cs_config"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
     case $ac_optarg in
-    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     '') as_fn_error $? "missing file argument" ;;
     esac
     as_fn_append CONFIG_FILES " '$ac_optarg'"
@@ -7355,7 +8594,7 @@ do
   --header | --heade | --head | --hea )
     $ac_shift
     case $ac_optarg in
-    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     as_fn_append CONFIG_HEADERS " '$ac_optarg'"
     ac_need_defaults=false;;
@@ -7364,7 +8603,7 @@ do
     as_fn_error $? "ambiguous option: \`$1'
 Try \`$0 --help' for more information.";;
   --help | --hel | -h )
-    $as_echo "$ac_cs_usage"; exit ;;
+    printf "%s\n" "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
@@ -7392,7 +8631,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
   set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
-  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+  \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6
   CONFIG_SHELL='$SHELL'
   export CONFIG_SHELL
   exec "\$@"
@@ -7406,7 +8645,7 @@ exec 5>>config.log
   sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
 ## Running $as_me. ##
 _ASBOX
-  $as_echo "$ac_log"
+  printf "%s\n" "$ac_log"
 } >&5
 
 _ACEOF
@@ -7439,9 +8678,9 @@ done
 # We use the long form for the default assignment because of an extremely
 # bizarre bug on SunOS 4.1.3.
 if $ac_need_defaults; then
-  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
-  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
-  test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
+  test ${CONFIG_FILES+y} || CONFIG_FILES=$config_files
+  test ${CONFIG_HEADERS+y} || CONFIG_HEADERS=$config_headers
+  test ${CONFIG_COMMANDS+y} || CONFIG_COMMANDS=$config_commands
 fi
 
 # Have a temporary directory for convenience.  Make it in the build tree
@@ -7777,7 +9016,7 @@ do
 	   esac ||
 	   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
+      case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
     done
 
@@ -7785,17 +9024,17 @@ do
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
     configure_input='Generated from '`
-	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	  printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
 	`' by configure.'
     if test x"$ac_file" != x-; then
       configure_input="$ac_file.  $configure_input"
-      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-$as_echo "$as_me: creating $ac_file" >&6;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+printf "%s\n" "$as_me: creating $ac_file" >&6;}
     fi
     # Neutralize special characters interpreted by sed in replacement strings.
     case $configure_input in #(
     *\&* | *\|* | *\\* )
-       ac_sed_conf_input=`$as_echo "$configure_input" |
+       ac_sed_conf_input=`printf "%s\n" "$configure_input" |
        sed 's/[\\\\&|]/\\\\&/g'`;; #(
     *) ac_sed_conf_input=$configure_input;;
     esac
@@ -7812,7 +9051,7 @@ $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
 	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$ac_file" |
+printf "%s\n" X"$ac_file" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -7836,9 +9075,9 @@ $as_echo X"$ac_file" |
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -7895,8 +9134,8 @@ ac_sed_dataroot='
 case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+printf "%s\n" "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
   ac_datarootdir_hack='
@@ -7939,9 +9178,9 @@ test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { 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: $ac_file contains a reference to the variable \`datarootdir'
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
-$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
   rm -f "$ac_tmp/stdin"
@@ -7957,27 +9196,27 @@ which seems to be undefined.  Please make sure it is defined" >&2;}
   #
   if test x"$ac_file" != x-; then
     {
-      $as_echo "/* $configure_input  */" \
+      printf "%s\n" "/* $configure_input  */" >&1 \
       && eval '$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: $ac_file is unchanged" >&6;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
+printf "%s\n" "$as_me: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
       mv "$ac_tmp/config.h" "$ac_file" \
 	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
     fi
   else
-    $as_echo "/* $configure_input  */" \
+    printf "%s\n" "/* $configure_input  */" >&1 \
       && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
       || as_fn_error $? "could not create -" "$LINENO" 5
   fi
  ;;
 
-  :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
-$as_echo "$as_me: executing $ac_file commands" >&6;}
+  :C)  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
+printf "%s\n" "$as_me: executing $ac_file commands" >&6;}
  ;;
   esac
 
@@ -8061,7 +9300,7 @@ if test "$no_recursion" != yes; then
       ;;
     *)
       case $ac_arg in
-      *\'*) ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+      *\'*) ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
       esac
       as_fn_append ac_sub_configure_args " '$ac_arg'" ;;
     esac
@@ -8071,7 +9310,7 @@ if test "$no_recursion" != yes; then
   # in subdir configurations.
   ac_arg="--prefix=$prefix"
   case $ac_arg in
-  *\'*) ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+  *\'*) ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
   esac
   ac_sub_configure_args="'$ac_arg' $ac_sub_configure_args"
 
@@ -8092,17 +9331,17 @@ if test "$no_recursion" != yes; then
     test -d "$srcdir/$ac_dir" || continue
 
     ac_msg="=== configuring in $ac_dir (`pwd`/$ac_dir)"
-    $as_echo "$as_me:${as_lineno-$LINENO}: $ac_msg" >&5
-    $as_echo "$ac_msg" >&6
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: $ac_msg" >&5
+    printf "%s\n" "$ac_msg" >&6
     as_dir="$ac_dir"; as_fn_mkdir_p
     ac_builddir=.
 
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -8132,17 +9371,15 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
 
     cd "$ac_dir"
 
-    # Check for guested configure; otherwise get Cygnus style configure.
+    # Check for configure.gnu first; this name is used for a wrapper for
+    # Metaconfig's "Configure" on case-insensitive file systems.
     if test -f "$ac_srcdir/configure.gnu"; then
       ac_sub_configure=$ac_srcdir/configure.gnu
     elif test -f "$ac_srcdir/configure"; then
       ac_sub_configure=$ac_srcdir/configure
-    elif test -f "$ac_srcdir/configure.in"; then
-      # This should be Cygnus configure.
-      ac_sub_configure=$ac_aux_dir/configure
     else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: no configuration information is in $ac_dir" >&5
-$as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: no configuration information is in $ac_dir" >&5
+printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2;}
       ac_sub_configure=
     fi
 
@@ -8155,8 +9392,8 @@ $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2;}
 	ac_sub_cache_file=$ac_top_build_prefix$cache_file ;;
       esac
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&5
-$as_echo "$as_me: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&6;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&5
+printf "%s\n" "$as_me: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&6;}
       # The eval makes quoting arguments work.
       eval "\$SHELL \"\$ac_sub_configure\" $ac_sub_configure_args \
 	   --cache-file=\"\$ac_sub_cache_file\" --srcdir=\"\$ac_srcdir\"" ||
@@ -8167,7 +9404,8 @@ $as_echo "$as_me: running $SHELL $ac_sub_configure $ac_sub_configure_args --cach
   done
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
+
diff --git a/configure.ac b/configure.ac
index 21879c933c..18bb989ade 100644
--- a/configure.ac
+++ b/configure.ac
@@ -231,7 +231,7 @@ AC_ARG_ENABLE([stack-protector],
 	      [enable_stack_protector=no])
 case "$enable_stack_protector" in
 all|yes|no|strong) ;;
-*) AC_MSG_ERROR([Not a valid argument for --enable-stack-protector: \"$enable_stack_protector\"]);;
+*) AC_MSG_ERROR([Not a valid argument for --enable-stack-protector: "$enable_stack_protector"]);;
 esac
 
 dnl On some platforms we cannot use dynamic loading.  We must provide
@@ -459,7 +459,7 @@ AC_ARG_ENABLE([cet],
 	      [enable_cet=$libc_cv_compiler_default_cet])
 
 AC_ARG_ENABLE([scv],
-	      AC_HELP_STRING([--disable-scv],
+	      AS_HELP_STRING([--disable-scv],
 			     [syscalls will not use scv instruction, even if the kernel supports it, powerpc only]),
 	      [use_scv=$enableval],
 	      [use_scv=yes])
diff --git a/manual/install.texi b/manual/install.texi
index a44a552d1f..52eb2d8a23 100644
--- a/manual/install.texi
+++ b/manual/install.texi
@@ -642,7 +642,7 @@ If you change any of the @file{configure.ac} files you will also need
 
 @itemize @bullet
 @item
-GNU @code{autoconf} 2.69 (exactly)
+GNU @code{autoconf} 2.71 (exactly)
 @end itemize
 
 @noindent
