diff --git a/install/aclocal.m4 b/install/aclocal.m4
index fd6169598..eef86b6c9 100644
--- a/install/aclocal.m4
+++ b/install/aclocal.m4
@@ -1,6 +1,6 @@
-# generated automatically by aclocal 1.15.1 -*- Autoconf -*-
+# generated automatically by aclocal 1.16.5 -*- Autoconf -*-
 
-# Copyright (C) 1996-2017 Free Software Foundation, Inc.
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/install/configure b/install/configure
index 384875daa..032ffe18c 100755
--- a/install/configure
+++ b/install/configure
@@ -1,9 +1,10 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for ESPRESSO 7.2.
+# Generated by GNU Autoconf 2.71 for ESPRESSO 7.2.
 #
 #
-# 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
@@ -14,14 +15,16 @@
 
 # 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 ;; #(
@@ -31,46 +34,46 @@ 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=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -79,13 +82,6 @@ if test "${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 #((
@@ -94,8 +90,12 @@ 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
 
@@ -107,30 +107,10 @@ 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.
@@ -152,20 +132,22 @@ 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 ;; #(
@@ -185,41 +167,52 @@ 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""$as_suggested" 2>/dev/null
+then :
   break 2
 fi
 fi
@@ -227,14 +220,21 @@ fi
        esac
   as_found=false
 done
-$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
@@ -252,18 +252,19 @@ 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 about your system,
+    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org about your system,
 $0: including any error possibly output before this
 $0: message. Then install a modern shell, or manually run
 $0: the script under such a shell if you do have one."
@@ -290,6 +291,7 @@ as_fn_unset ()
 }
 as_unset=as_fn_unset
 
+
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -307,6 +309,14 @@ 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
 # -------------
@@ -321,7 +331,7 @@ 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"
@@ -330,7 +340,7 @@ $as_expr X"$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
@@ -369,12 +379,13 @@ 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
@@ -386,18 +397,27 @@ 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]
 # ----------------------------------------
@@ -409,9 +429,9 @@ 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
 
@@ -438,7 +458,7 @@ 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 '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -482,7 +502,7 @@ as_cr_alnum=$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 $CONFIG_SHELL, we're ensured to have
   # already done that, so ensure we don't try to do so again and fall
@@ -496,6 +516,10 @@ as_cr_alnum=$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*)
@@ -509,6 +533,13 @@ 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
@@ -867,8 +898,6 @@ 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 ;;
@@ -909,9 +938,9 @@ 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"
@@ -935,9 +964,9 @@ 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"
@@ -1148,9 +1177,9 @@ 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"
@@ -1164,9 +1193,9 @@ 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"
@@ -1210,9 +1239,9 @@ 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}"
     ;;
 
@@ -1228,7 +1257,7 @@ 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
 
@@ -1292,7 +1321,7 @@ $as_expr X"$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\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -1513,9 +1542,9 @@ if test "$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/ ;;
@@ -1543,7 +1572,8 @@ 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
@@ -1551,7 +1581,7 @@ 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
@@ -1561,9 +1591,9 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 ESPRESSO configure 7.2
-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
@@ -1580,14 +1610,14 @@ fi
 ac_fn_fc_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
@@ -1595,14 +1625,15 @@ $as_echo "$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_fc_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
@@ -1618,14 +1649,14 @@ 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
@@ -1633,14 +1664,15 @@ $as_echo "$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
@@ -1656,14 +1688,14 @@ fi
 ac_fn_fc_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
@@ -1671,17 +1703,18 @@ $as_echo "$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_fc_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
@@ -1702,14 +1735,14 @@ 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
@@ -1717,17 +1750,18 @@ $as_echo "$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
@@ -1741,14 +1775,34 @@ fi
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_link
+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 ESPRESSO $as_me 7.2, 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
@@ -1781,8 +1835,12 @@ 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
 
@@ -1817,7 +1875,7 @@ 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'" ;;
@@ -1852,11 +1910,13 @@ 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
 
-    $as_echo "## ---------------- ##
+    printf "%s\n" "## ---------------- ##
 ## Cache variables. ##
 ## ---------------- ##"
     echo
@@ -1867,8 +1927,8 @@ trap 'exit_status=$?
     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) ;; #(
@@ -1892,7 +1952,7 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
 )
     echo
 
-    $as_echo "## ----------------- ##
+    printf "%s\n" "## ----------------- ##
 ## Output variables. ##
 ## ----------------- ##"
     echo
@@ -1900,14 +1960,14 @@ $as_echo "$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
@@ -1915,15 +1975,15 @@ $as_echo "$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
@@ -1931,8 +1991,8 @@ $as_echo "$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 &&
@@ -1946,63 +2006,48 @@ 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
@@ -2012,19 +2057,425 @@ 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;
+  ${ac_c_conftest_c89_main}
+  return ok;
+}
+"
+
+
+# Auxiliary files required by this configure script.
+ac_aux_files="config.guess config.sub"
+
+# Locations in which to look for auxiliary files.
+ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.."
+
+# 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
@@ -2035,12 +2486,12 @@ 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=: ;;
     ,);;
     *)
@@ -2049,24 +2500,24 @@ $as_echo "$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
@@ -2076,11 +2527,12 @@ $as_echo "$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. ##
@@ -2147,55 +2599,30 @@ extlib_flags=$EXTLIB_FLAGS # Flags for internal copies of lapack and blas
 if test "$topdir" = "" ; then topdir="`pwd`" ; fi
 
 # check system type (no cross-compilation for now)
-ac_aux_dir=
-for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
-  if test -f "$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 $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
-fi
-
-# These three variables are undocumented and unsupported,
-# and are intended to be withdrawn in a future Autoconf release.
-# They can cause serious problems if a builder's source tree is in a directory
-# whose full name contains unusual characters.
-ac_config_guess="$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.
 
 
-# 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;;
@@ -2218,8 +2645,8 @@ case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 # Checking Architecture...
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking ARCH" >&5
-$as_echo_n "checking ARCH... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking ARCH" >&5
+printf %s "checking ARCH... " >&6; }
 
 # many HPC systems are configured so that running parallel programs
 # interactively is disabled: on those systems, AC_PROG_FC / _CC
@@ -2253,14 +2680,14 @@ then
                 powerpc64le-*-linux-gnu ) arch=ppc64le ;;
                 *-*-mingw32 )           arch=mingw32;;
                 *-*-mingw64 )           arch=mingw64;;
-                * )                     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Unrecognized build architecture" >&5
-$as_echo "$as_me: WARNING: Unrecognized build architecture" >&2;}
+                * )                     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Unrecognized build architecture" >&5
+printf "%s\n" "$as_me: WARNING: Unrecognized build architecture" >&2;}
         ;;
         esac
         # check for Cray machines
         if test -d /proc/cray_xt && test "$arch" != "craype"; then
-            { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: This seems to be a cray but ARCH is not \"craype\"" >&5
-$as_echo "$as_me: WARNING: This seems to be a cray but ARCH is not \"craype\"" >&2;}
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: This seems to be a cray but ARCH is not \"craype\"" >&5
+printf "%s\n" "$as_me: WARNING: This seems to be a cray but ARCH is not \"craype\"" >&2;}
         fi
         # workaround for IBM BG machines
         test -d /bgsys && arch=ppc64-bg
@@ -2268,12 +2695,12 @@ $as_echo "$as_me: WARNING: This seems to be a cray but ARCH is not \"craype\"" >
 fi
 	case $arch in
 	ia32 | ia64 | necsx | ppc64-bg )
-            { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Obsolete architecture? $arch" >&5
-$as_echo "$as_me: WARNING: Obsolete architecture? $arch" >&2;}
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Obsolete architecture? $arch" >&5
+printf "%s\n" "$as_me: WARNING: Obsolete architecture? $arch" >&2;}
 	    ;;
 	esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${arch}" >&5
-$as_echo "${arch}" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${arch}" >&5
+printf "%s\n" "${arch}" >&6; }
 
 
 
@@ -2292,25 +2719,25 @@ try_iflags="-I. -I\$(TOPDIR)/include"
   arflags=$ARFLAGS
 
   try_ar="ar"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking setting AR... " >&5
-$as_echo_n "checking setting AR... ... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking setting AR... " >&5
+printf %s "checking setting AR... ... " >&6; }
   if test "$arch" = "necsx"; then
     try_ar="sxar"
   fi
   if test "$ar" = "" ; then ar="$try_ar" ; fi
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${ar}" >&5
-$as_echo "${ar}" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${ar}" >&5
+printf "%s\n" "${ar}" >&6; }
 
 
   try_arflags="ruv"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking setting ARFLAGS... " >&5
-$as_echo_n "checking setting ARFLAGS... ... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking setting ARFLAGS... " >&5
+printf %s "checking setting ARFLAGS... ... " >&6; }
   if test "$arch" = "necsx"; then
         try_arflags="rv"
   fi
   if test "$arflags" = "" ; then arflags="$try_arflags" ; fi
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${arflags}" >&5
-$as_echo "${arflags}" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${arflags}" >&5
+printf "%s\n" "${arflags}" >&6; }
 
 
 
@@ -2320,13 +2747,14 @@ $as_echo "${arflags}" >&6; }
 
 
 # Check whether --enable-openmp was given.
-if test "${enable_openmp+set}" = set; then :
+if test ${enable_openmp+y}
+then :
   enableval=$enable_openmp; if   test "$enableval" = "yes" ; then
       use_openmp=1
    else
       use_openmp=0
    fi
-else
+else $as_nop
   use_openmp=0
 fi
 
@@ -2347,11 +2775,12 @@ if test -n "$ac_tool_prefix"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_FC+:} 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_FC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$FC"; then
   ac_cv_prog_FC="$FC" # Let the user override the test.
 else
@@ -2359,11 +2788,15 @@ as_save_IFS=$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$ac_exec_ext"; then
     ac_cv_prog_FC="$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2374,11 +2807,11 @@ fi
 fi
 FC=$ac_cv_prog_FC
 if test -n "$FC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FC" >&5
-$as_echo "$FC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $FC" >&5
+printf "%s\n" "$FC" >&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
 
 
@@ -2391,11 +2824,12 @@ if test -z "$FC"; then
 do
   # Extract the first word of "$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_FC+:} 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_FC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$ac_ct_FC"; then
   ac_cv_prog_ac_ct_FC="$ac_ct_FC" # Let the user override the test.
 else
@@ -2403,11 +2837,15 @@ as_save_IFS=$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$ac_exec_ext"; then
     ac_cv_prog_ac_ct_FC="$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2418,11 +2856,11 @@ fi
 fi
 ac_ct_FC=$ac_cv_prog_ac_ct_FC
 if test -n "$ac_ct_FC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_FC" >&5
-$as_echo "$ac_ct_FC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_FC" >&5
+printf "%s\n" "$ac_ct_FC" >&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
 
 
@@ -2434,8 +2872,8 @@ 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
     FC=$ac_ct_FC
@@ -2444,7 +2882,7 @@ fi
 
 
 # Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for Fortran compiler version" >&5
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Fortran compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
 for ac_option in --version -v -V -qversion; do
@@ -2454,7 +2892,7 @@ case "(($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
@@ -2464,7 +2902,7 @@ $as_echo "$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 $ac_status = 0; }
 done
 rm -f a.out
@@ -2479,9 +2917,9 @@ ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the Fortran compiler works" >&5
-$as_echo_n "checking whether the Fortran compiler works... " >&6; }
-ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the Fortran compiler works" >&5
+printf %s "checking whether the Fortran compiler works... " >&6; }
+ac_link_default=`printf "%s\n" "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
 
 # The possible output files:
 ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
@@ -2502,11 +2940,12 @@ 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 "$ac_link_default") 2>&5
   ac_status=$?
-  $as_echo "$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 $ac_status = 0; }
+then :
   # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
 # So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
@@ -2523,7 +2962,7 @@ do
 	# certainly right.
 	break;;
     *.* )
-	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no;
 	then :; else
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
@@ -2539,44 +2978,46 @@ do
 done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
-else
+else $as_nop
   ac_file=''
 fi
-if test -z "$ac_file"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-$as_echo "$as_me: failed program was:" >&5
+if test -z "$ac_file"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+printf "%s\n" "$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 77 "Fortran compiler cannot create executables
 See \`config.log' for more details" "$LINENO" 5; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Fortran compiler default output file name" >&5
-$as_echo_n "checking for Fortran compiler default output file name... " >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
-$as_echo "$ac_file" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Fortran compiler default output file name" >&5
+printf %s "checking for Fortran compiler default output file name... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+printf "%s\n" "$ac_file" >&6; }
 ac_exeext=$ac_cv_exeext
 
 rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
-$as_echo_n "checking for suffix of executables... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+printf %s "checking for suffix of executables... " >&6; }
 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 "$ac_link") 2>&5
   ac_status=$?
-  $as_echo "$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 :
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -2590,15 +3031,15 @@ for ac_file in conftest.exe conftest conftest.*; do
     * ) break;;
   esac
 done
-else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
 See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
-$as_echo "$ac_cv_exeext" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+printf "%s\n" "$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
@@ -2613,8 +3054,8 @@ _ACEOF
 ac_clean_files="$ac_clean_files conftest.out"
 # Check that the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
-$as_echo_n "checking whether we are cross compiling... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+printf %s "checking whether we are cross compiling... " >&6; }
 if test "$cross_compiling" != yes; then
   { { ac_try="$ac_link"
 case "(($ac_try" in
@@ -2622,10 +3063,10 @@ case "(($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 "$ac_link") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
   if { ac_try='./conftest$ac_cv_exeext'
   { { case "(($ac_try" in
@@ -2633,34 +3074,35 @@ $as_echo "$ac_try_echo"; } >&5
   *) 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 "$ac_try") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }; then
     cross_compiling=no
   else
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot run Fortran compiled programs.
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot run Fortran compiled programs.
 If you meant to cross compile, use \`--host'.
 See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
-$as_echo "$cross_compiling" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+printf "%s\n" "$cross_compiling" >&6; }
 
 rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
-$as_echo_n "checking for suffix of object files... " >&6; }
-if ${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 $as_nop
   cat > conftest.$ac_ext <<_ACEOF
       program main
 
@@ -2673,11 +3115,12 @@ 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
@@ -2686,30 +3129,31 @@ $as_echo "$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
 # If we don't use `.F' as extension, the preprocessor is not run on the
 # input file.  (Note that this only needs to work for GNU compilers.)
 ac_save_ext=$ac_ext
 ac_ext=F
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU Fortran compiler" >&5
-$as_echo_n "checking whether we are using the GNU Fortran compiler... " >&6; }
-if ${ac_cv_fc_compiler_gnu+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU Fortran" >&5
+printf %s "checking whether the compiler supports GNU Fortran... " >&6; }
+if test ${ac_cv_fc_compiler_gnu+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.$ac_ext <<_ACEOF
       program main
 #ifndef __GNUC__
@@ -2718,43 +3162,48 @@ else
 
       end
 _ACEOF
-if ac_fn_fc_try_compile "$LINENO"; then :
+if ac_fn_fc_try_compile "$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.$ac_ext
 ac_cv_fc_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_fc_compiler_gnu" >&5
-$as_echo "$ac_cv_fc_compiler_gnu" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_fc_compiler_gnu" >&5
+printf "%s\n" "$ac_cv_fc_compiler_gnu" >&6; }
+ac_compiler_gnu=$ac_cv_fc_compiler_gnu
+
 ac_ext=$ac_save_ext
-ac_test_FCFLAGS=${FCFLAGS+set}
+ac_test_FCFLAGS=${FCFLAGS+y}
 ac_save_FCFLAGS=$FCFLAGS
 FCFLAGS=
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $FC accepts -g" >&5
-$as_echo_n "checking whether $FC accepts -g... " >&6; }
-if ${ac_cv_prog_fc_g+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $FC accepts -g" >&5
+printf %s "checking whether $FC accepts -g... " >&6; }
+if test ${ac_cv_prog_fc_g+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   FCFLAGS=-g
 cat > conftest.$ac_ext <<_ACEOF
       program main
 
       end
 _ACEOF
-if ac_fn_fc_try_compile "$LINENO"; then :
+if ac_fn_fc_try_compile "$LINENO"
+then :
   ac_cv_prog_fc_g=yes
-else
+else $as_nop
   ac_cv_prog_fc_g=no
 fi
-rm -f core conftest.err conftest.$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: $ac_cv_prog_fc_g" >&5
-$as_echo "$ac_cv_prog_fc_g" >&6; }
-if test "$ac_test_FCFLAGS" = set; then
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_fc_g" >&5
+printf "%s\n" "$ac_cv_prog_fc_g" >&6; }
+if test $ac_test_FCFLAGS; then
   FCFLAGS=$ac_save_FCFLAGS
 elif test $ac_cv_prog_fc_g = yes; then
   if test "x$ac_cv_fc_compiler_gnu" = xyes; then
@@ -2785,11 +3234,12 @@ ac_ext=${ac_fc_srcext-f}
 ac_compile='$FC -c $FCFLAGS $ac_fcflags_srcext conftest.$ac_ext >&5'
 ac_link='$FC -o conftest$ac_exeext $FCFLAGS $LDFLAGS $ac_fcflags_srcext conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_fc_compiler_gnu
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Fortran flag to compile .f90 files" >&5
-$as_echo_n "checking for Fortran flag to compile .f90 files... " >&6; }
-if ${ac_cv_fc_srcext_f90+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Fortran flag to compile .f90 files" >&5
+printf %s "checking for Fortran flag to compile .f90 files... " >&6; }
+if test ${ac_cv_fc_srcext_f90+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_ext=f90
 ac_fcflags_srcext_save=$ac_fcflags_srcext
 ac_fcflags_srcext=
@@ -2805,17 +3255,18 @@ for ac_flag in none -qsuffix=f=f90 -Tf "-x $ac_try"; do
 
       end
 _ACEOF
-if ac_fn_fc_try_compile "$LINENO"; then :
+if ac_fn_fc_try_compile "$LINENO"
+then :
   ac_cv_fc_srcext_f90=$ac_flag; break
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 done
 rm -f conftest.$ac_objext conftest.f90
 ac_fcflags_srcext=$ac_fcflags_srcext_save
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_fc_srcext_f90" >&5
-$as_echo "$ac_cv_fc_srcext_f90" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_fc_srcext_f90" >&5
+printf "%s\n" "$ac_cv_fc_srcext_f90" >&6; }
 if test "x$ac_cv_fc_srcext_f90" = xunknown; then
   as_fn_error $? "Fortran could not compile .f90 files" "$LINENO" 5
 else
@@ -2840,14 +3291,15 @@ ac_compiler_gnu=$ac_cv_fc_compiler_gnu
 
 
 # Check whether --enable-parallel was given.
-if test "${enable_parallel+set}" = set; then :
+if test ${enable_parallel+y}
+then :
   enableval=$enable_parallel; set_use_parallel=1
     if   test "$enableval" = "yes" ; then
       use_parallel=1
    else
       use_parallel=0
    fi
-else
+else $as_nop
   set_use_parallel=0 use_parallel=1
 fi
 
@@ -2918,8 +3370,8 @@ ppc64-bg | ppc64-bgq )
         try_arflags="ruv"
         ;;
 * )
-        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $arch : unsupported architecture?" >&5
-$as_echo "$as_me: WARNING: $arch : unsupported architecture?" >&2;}
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $arch : unsupported architecture?" >&5
+printf "%s\n" "$as_me: WARNING: $arch : unsupported architecture?" >&2;}
         ;;
 esac
 
@@ -2941,8 +3393,8 @@ else
 	   mpif90="$try_mpif90 $f90 $try_f90 "
 	fi
     	if test "$f90" != "" ; then
-           { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: F90 value is set to be consistent with value of MPIF90" >&5
-$as_echo "$as_me: WARNING: F90 value is set to be consistent with value of MPIF90" >&2;}
+           { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: F90 value is set to be consistent with value of MPIF90" >&5
+printf "%s\n" "$as_me: WARNING: F90 value is set to be consistent with value of MPIF90" >&2;}
 	fi
 fi
 
@@ -2955,11 +3407,12 @@ if test -n "$ac_tool_prefix"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_FC+:} 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_FC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$FC"; then
   ac_cv_prog_FC="$FC" # Let the user override the test.
 else
@@ -2967,11 +3420,15 @@ as_save_IFS=$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$ac_exec_ext"; then
     ac_cv_prog_FC="$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2982,11 +3439,11 @@ fi
 fi
 FC=$ac_cv_prog_FC
 if test -n "$FC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FC" >&5
-$as_echo "$FC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $FC" >&5
+printf "%s\n" "$FC" >&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
 
 
@@ -2999,11 +3456,12 @@ if test -z "$FC"; then
 do
   # Extract the first word of "$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_FC+:} 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_FC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$ac_ct_FC"; then
   ac_cv_prog_ac_ct_FC="$ac_ct_FC" # Let the user override the test.
 else
@@ -3011,11 +3469,15 @@ as_save_IFS=$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$ac_exec_ext"; then
     ac_cv_prog_ac_ct_FC="$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3026,11 +3488,11 @@ fi
 fi
 ac_ct_FC=$ac_cv_prog_ac_ct_FC
 if test -n "$ac_ct_FC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_FC" >&5
-$as_echo "$ac_ct_FC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_FC" >&5
+printf "%s\n" "$ac_ct_FC" >&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
 
 
@@ -3042,8 +3504,8 @@ 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
     FC=$ac_ct_FC
@@ -3052,7 +3514,7 @@ fi
 
 
 # Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for Fortran compiler version" >&5
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Fortran compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
 for ac_option in --version -v -V -qversion; do
@@ -3062,7 +3524,7 @@ case "(($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
@@ -3072,7 +3534,7 @@ $as_echo "$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 $ac_status = 0; }
 done
 rm -f a.out
@@ -3081,11 +3543,12 @@ rm -f a.out
 # input file.  (Note that this only needs to work for GNU compilers.)
 ac_save_ext=$ac_ext
 ac_ext=F
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU Fortran compiler" >&5
-$as_echo_n "checking whether we are using the GNU Fortran compiler... " >&6; }
-if ${ac_cv_fc_compiler_gnu+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU Fortran" >&5
+printf %s "checking whether the compiler supports GNU Fortran... " >&6; }
+if test ${ac_cv_fc_compiler_gnu+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat > conftest.$ac_ext <<_ACEOF
       program main
 #ifndef __GNUC__
@@ -3094,43 +3557,48 @@ else
 
       end
 _ACEOF
-if ac_fn_fc_try_compile "$LINENO"; then :
+if ac_fn_fc_try_compile "$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.$ac_ext
 ac_cv_fc_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_fc_compiler_gnu" >&5
-$as_echo "$ac_cv_fc_compiler_gnu" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_fc_compiler_gnu" >&5
+printf "%s\n" "$ac_cv_fc_compiler_gnu" >&6; }
+ac_compiler_gnu=$ac_cv_fc_compiler_gnu
+
 ac_ext=$ac_save_ext
-ac_test_FCFLAGS=${FCFLAGS+set}
+ac_test_FCFLAGS=${FCFLAGS+y}
 ac_save_FCFLAGS=$FCFLAGS
 FCFLAGS=
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $FC accepts -g" >&5
-$as_echo_n "checking whether $FC accepts -g... " >&6; }
-if ${ac_cv_prog_fc_g+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $FC accepts -g" >&5
+printf %s "checking whether $FC accepts -g... " >&6; }
+if test ${ac_cv_prog_fc_g+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   FCFLAGS=-g
 cat > conftest.$ac_ext <<_ACEOF
       program main
 
       end
 _ACEOF
-if ac_fn_fc_try_compile "$LINENO"; then :
+if ac_fn_fc_try_compile "$LINENO"
+then :
   ac_cv_prog_fc_g=yes
-else
+else $as_nop
   ac_cv_prog_fc_g=no
 fi
-rm -f core conftest.err conftest.$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: $ac_cv_prog_fc_g" >&5
-$as_echo "$ac_cv_prog_fc_g" >&6; }
-if test "$ac_test_FCFLAGS" = set; then
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_fc_g" >&5
+printf "%s\n" "$ac_cv_prog_fc_g" >&6; }
+if test $ac_test_FCFLAGS; then
   FCFLAGS=$ac_save_FCFLAGS
 elif test $ac_cv_prog_fc_g = yes; then
   if test "x$ac_cv_fc_compiler_gnu" = xyes; then
@@ -3159,8 +3627,8 @@ ac_compiler_gnu=$ac_cv_fc_compiler_gnu
 # this avoids that an empty MPIF90 field is produced if the corresponding
 # environment variable MPIF90 does not contain an acceptable compiler
 if test "$FC" = "" ; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: MPIF90 not found: using MPIF90 anyway" >&5
-$as_echo "$as_me: WARNING: MPIF90 not found: using MPIF90 anyway" >&2;}
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: MPIF90 not found: using MPIF90 anyway" >&5
+printf "%s\n" "$as_me: WARNING: MPIF90 not found: using MPIF90 anyway" >&2;}
    FC=$mpif90
 fi
 mpif90=$FC
@@ -3240,8 +3708,8 @@ fi
 # notify if serial and parallel compiler are the same
 if test "$set_use_parallel" -eq 1 ; then
    if test "$mpif90" = "$f90_in_mpif90" && test "$mpif90" != "ftn"; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: parallel and serial compiler are the same" >&5
-$as_echo "$as_me: WARNING: parallel and serial compiler are the same" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: parallel and serial compiler are the same" >&5
+printf "%s\n" "$as_me: WARNING: parallel and serial compiler are the same" >&2;}
    fi
 fi
 
@@ -3284,6 +3752,15 @@ echo setting MPIF90... $mpif90
 # Checking CC...
 
 
+
+
+
+
+
+
+
+
+
 # candidate C compilers good for all cases
 try_cc="cc gcc"
 
@@ -3323,11 +3800,12 @@ if test -n "$ac_tool_prefix"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$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="$CC" # Let the user override the test.
 else
@@ -3335,11 +3813,15 @@ as_save_IFS=$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3350,11 +3832,11 @@ fi
 fi
 CC=$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
 
 
@@ -3367,11 +3849,12 @@ 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="$ac_ct_CC" # Let the user override the test.
 else
@@ -3379,11 +3862,15 @@ as_save_IFS=$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3394,11 +3881,11 @@ fi
 fi
 ac_ct_CC=$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
 
 
@@ -3410,8 +3897,8 @@ 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
     CC=$ac_ct_CC
@@ -3419,23 +3906,23 @@ esac
 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
@@ -3445,20 +3932,21 @@ $as_echo "$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_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
@@ -3468,29 +3956,33 @@ 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
@@ -3499,57 +3991,60 @@ 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
@@ -3564,94 +4059,144 @@ else
     CFLAGS=
   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
-$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if ${ac_cv_prog_cc_c89+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+ac_prog_cc_stdc=no
+if test x$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.$ac_ext
 /* end confdefs.h.  */
-#include <stdarg.h>
-#include <stdio.h>
-struct stat;
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
-struct buf { int x; };
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
-     char **p;
-     int i;
-{
-  return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
-  char *s;
-  va_list v;
-  va_start (v,p);
-  s = g (p, va_arg (v,int));
-  va_end (v);
-  return s;
-}
-
-/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
-   function prototypes and stuff, but not '\xHH' hex character constants.
-   These don't provoke an error unfortunately, instead are silently treated
-   as 'x'.  The following induces an error, until -std is added to get
-   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
-   array size at least.  It's necessary to write '\x00'==0 to get something
-   that's true only with -std.  */
-int osf4_cc_array ['\x00' == 0 ? 1 : -1];
-
-/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
-   inside strings and character constants.  */
-#define FOO(x) 'x'
-int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
-
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
-int argc;
-char **argv;
-int
-main ()
-{
-return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
-  ;
-  return 0;
-}
+$ac_c_conftest_c89_program
 _ACEOF
-for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
-	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+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 :
+  if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_prog_cc_c89=$ac_arg
 fi
-rm -f core conftest.err conftest.$ac_objext
+rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
 CC=$ac_save_CC
-
 fi
-# AC_CACHE_VAL
-case "x$ac_cv_prog_cc_c89" in
-  x)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-$as_echo "none needed" >&6; } ;;
-  xno)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-$as_echo "unsupported" >&6; } ;;
-  *)
-    CC="$CC $ac_cv_prog_cc_c89"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
-$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
-esac
-if test "x$ac_cv_prog_cc_c89" != xno; then :
 
+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=${ac_fc_srcext-f}
@@ -3714,52 +4259,56 @@ test_cflags="`echo $cflags | sed 's/\$([^)]*)//g'`"
 
 # debug flags are implemented only for a few cases
 # Check whether --enable-debug was given.
-if test "${enable_debug+set}" = set; then :
+if test ${enable_debug+y}
+then :
   enableval=$enable_debug; if   test "$enableval" = "yes" ; then
       use_debug=1
    else
       use_debug=0
    fi
-else
+else $as_nop
   use_debug=0
 fi
 
 
 # pedantic flags implemented only for gcc
 # Check whether --enable-pedantic was given.
-if test "${enable_pedantic+set}" = set; then :
+if test ${enable_pedantic+y}
+then :
   enableval=$enable_pedantic; if   test "$enableval" = "yes" ; then
       use_pedantic=1
    else
       use_pedantic=0
    fi
-else
+else $as_nop
   use_pedantic=0
 fi
 
 
 # yet to be implemented
 # Check whether --enable-shared was given.
-if test "${enable_shared+set}" = set; then :
+if test ${enable_shared+y}
+then :
   enableval=$enable_shared; if   test "$enableval" = "yes" ; then
       use_shared=1
    else
       use_shared=0
    fi
-else
+else $as_nop
   use_shared=0
 fi
 
 
 # build static executables (implemented only for a few untested cases)
 # Check whether --enable-static was given.
-if test "${enable_static+set}" = set; then :
+if test ${enable_static+y}
+then :
   enableval=$enable_static; if   test "$enableval" = "yes" ; then
       use_static=1
    else
       use_static=0
    fi
-else
+else $as_nop
   use_static=0
 fi
 
@@ -4074,43 +4623,48 @@ cuda_extlibs=devxlib
 # Provide your CUDA path with this
 
 # Check whether --with-cuda was given.
-if test "${with_cuda+set}" = set; then :
+if test ${with_cuda+y}
+then :
   withval=$with_cuda;
-else
+else $as_nop
   with_cuda=no
 fi
 
 
 
 # Check whether --with-cuda-cc was given.
-if test "${with_cuda_cc+set}" = set; then :
+if test ${with_cuda_cc+y}
+then :
   withval=$with_cuda_cc;
-else
+else $as_nop
   with_cuda_cc=35
 fi
 
 
 
 # Check whether --with-cuda-runtime was given.
-if test "${with_cuda_runtime+set}" = set; then :
+if test ${with_cuda_runtime+y}
+then :
   withval=$with_cuda_runtime;
-else
+else $as_nop
   with_cuda_runtime=10.1
 fi
 
 
 
 # Check whether --with-cuda-mpi was given.
-if test "${with_cuda_mpi+set}" = set; then :
+if test ${with_cuda_mpi+y}
+then :
   withval=$with_cuda_mpi;
-else
+else $as_nop
   with_cuda_mpi=no
 fi
 
 
 
 # Check whether --enable-nvtx was given.
-if test "${enable_nvtx+set}" = set; then :
+if test ${enable_nvtx+y}
+then :
   enableval=$enable_nvtx;
    enable_nvtx=no
 fi
@@ -4121,8 +4675,8 @@ if test "x$with_cuda" != "xno"
 then
    # NVHPC v.< 21.7 too old (FIXME: still allowing 21.2 for CI)
    if (test "$f90_major_version" -lt 21 ) || (test "$f90_major_version" -eq 21 && test "$f90_minor_version" -lt 2 ) ; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Compiler version too old, use at least 21.7" >&5
-$as_echo "$as_me: WARNING: Compiler version too old, use at least 21.7" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Compiler version too old, use at least 21.7" >&5
+printf "%s\n" "$as_me: WARNING: Compiler version too old, use at least 21.7" >&2;}
    fi
    if (test "$f90_major_version" -lt 21 ) ; then
       as_fn_error $? "Compiler version too old, use at least 21.7" "$LINENO" 5
@@ -4136,32 +4690,35 @@ $as_echo "$as_me: WARNING: Compiler version too old, use at least 21.7" >&2;}
    # -----------------------------------------
    # Check compiler
    # -----------------------------------------
-   as_CACHEVAR=`$as_echo "ax_cv_check_fcflags__-cuda -gpu=cuda$with_cuda_runtime" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether Fortran compiler accepts -cuda -gpu=cuda$with_cuda_runtime" >&5
-$as_echo_n "checking whether Fortran compiler accepts -cuda -gpu=cuda$with_cuda_runtime... " >&6; }
-if eval \${$as_CACHEVAR+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+   as_CACHEVAR=`printf "%s\n" "ax_cv_check_fcflags__-cuda -gpu=cuda$with_cuda_runtime" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether Fortran compiler accepts -cuda -gpu=cuda$with_cuda_runtime" >&5
+printf %s "checking whether Fortran compiler accepts -cuda -gpu=cuda$with_cuda_runtime... " >&6; }
+if eval test \${$as_CACHEVAR+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
   ax_check_save_flags=$FCFLAGS
   FCFLAGS="$FCFLAGS  -cuda -gpu=cuda$with_cuda_runtime"
   cat > conftest.$ac_ext <<_ACEOF
 MODULE test; use cudafor; END MODULE
 _ACEOF
-if ac_fn_fc_try_compile "$LINENO"; then :
+if ac_fn_fc_try_compile "$LINENO"
+then :
   eval "$as_CACHEVAR=yes"
-else
+else $as_nop
   eval "$as_CACHEVAR=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
   FCFLAGS=$ax_check_save_flags
 fi
 eval ac_res=\$$as_CACHEVAR
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then :
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_CACHEVAR"\" = x"yes"
+then :
   have_cudafor=yes
-else
+else $as_nop
   have_cudafor=no
 fi
 
@@ -4223,13 +4780,14 @@ fi
 # Checking F90 rule...
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
-$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+printf %s "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
 set x ${MAKE-make}
-ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+ac_make=`printf "%s\n" "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if eval test \${ac_cv_prog_make_${ac_make}_set+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat >conftest.make <<\_ACEOF
 SHELL = /bin/sh
 all:
@@ -4245,12 +4803,12 @@ esac
 rm -f conftest.make
 fi
 if eval test \$ac_cv_prog_make_${ac_make}_set = yes; 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; }
   SET_MAKE=
 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; }
   SET_MAKE="MAKE=${MAKE-make}"
 fi
 
@@ -4373,99 +4931,111 @@ esac
                     # not sure the above is needed
                     if test "$use_openmp" -eq 0; then
 		       # test MKL (no OMP)
- 			      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+ 			      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' $mkl_lib; do
+for ac_lib in '' $mkl_lib
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib -lmkl_sequential -lmkl_core $add_mkl_lib $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1 have_mkl=1
                              blas_libs="$try_loption $LIBS -lmkl_sequential -lmkl_core"
                              ldflags="$add_mkl_flag $ldflags"
-else
+else $as_nop
   echo "MKL not found"
 fi
 
                     else
 		       # test MKL (OMP)
- 			      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+ 			      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' $mkl_lib; do
+for ac_lib in '' $mkl_lib
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib -l$mkl_omp -lmkl_core $add_mkl_omp $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1 have_mkl=1
                              blas_libs="$try_loption $LIBS -l$mkl_omp -lmkl_core"
                              ldflags="$add_mkl_flag $ldflags"
-else
+else $as_nop
   echo "MKL not found"
 fi
 
@@ -4483,45 +5053,51 @@ fi
             FFLAGS="$test_fflags"
             LDFLAGS="$test_ldflags"
             LIBS=""
-            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' essl; do
+for ac_lib in '' essl
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1
                            blas_libs="$LIBS"
@@ -4587,50 +5163,56 @@ fi
                FFLAGS="-fopenmp -armpl=parallel"
                ARMLIB="armpl_mp"
             fi
-            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' $ARMLIB; do
+for ac_lib in '' $ARMLIB
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1 have_armpl=1
                                    blas_libs=""
                                    ldflags="$ldflags \$(FFLAGS)"
-else
+else $as_nop
   echo "armpl not found"
 
 fi
@@ -4663,98 +5245,110 @@ fi
                     # not sure the above is needed
                     #
                     if test "$use_openmp" -eq 0; then
- 			      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+ 			      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' armpl; do
+for ac_lib in '' armpl
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1 have_armpl=1
                              blas_libs="$try_loption $LIBS "
                              ldflags="$ldflags"
-else
+else $as_nop
   echo "armpl not found"
 fi
 
 			else
- 			      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+ 			      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' armpl_mp; do
+for ac_lib in '' armpl_mp
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1 have_armpl=1
                              blas_libs="$try_loption $LIBS "
                              ldflags="$ldflags"
-else
+else $as_nop
   echo "armpl  not found"
 fi
 
@@ -4785,90 +5379,102 @@ fi
                     LIBS=""
 
                     if test "$use_openmp" -eq 0; then
-                            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' acml; do
+for ac_lib in '' acml
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1 have_lapack=1
                                 have_acml=1 blas_libs="$try_loption $LIBS"
 fi
 
                     else
-                            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' acml_mp; do
+for ac_lib in '' acml_mp
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1 have_lapack=1
                                 have_acml=1 blas_libs="$try_loption $LIBS"
@@ -4898,45 +5504,51 @@ fi
                     FFLAGS="$test_fflags"
                     LDFLAGS="$test_ldflags $try_loption"
                     LIBS=""
-                    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' blas; do
+for ac_lib in '' blas
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1
                                    blas_libs="$try_loption $LIBS"
@@ -4959,45 +5571,51 @@ fi
             FFLAGS="$test_fflags"
             LDFLAGS="$test_ldflags"
             LIBS=""
-            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' blas; do
+for ac_lib in '' blas
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1 blas_libs="$LIBS"
 fi
@@ -5024,45 +5642,51 @@ fi
                     FFLAGS="$test_fflags"
                     LDFLAGS="$test_ldflags $try_loption"
                     LIBS="-latlas"
-                    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' f77blas; do
+for ac_lib in '' f77blas
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib -lg2c $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1 have_atlas=1
                                    blas_libs="$try_loption $LIBS"
@@ -5091,45 +5715,51 @@ fi
                     FFLAGS="$test_fflags"
                     LDFLAGS="$test_ldflags $try_loption"
                     LIBS=""
-                    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
-$as_echo_n "checking for library containing dgemm... " >&6; }
-if ${ac_cv_search_dgemm+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dgemm" >&5
+printf %s "checking for library containing dgemm... " >&6; }
+if test ${ac_cv_search_dgemm+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dgemm
       end
 _ACEOF
-for ac_lib in '' blas-3 openblas blas; do
+for ac_lib in '' blas-3 openblas blas
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dgemm=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dgemm+:} false; then :
+  if test ${ac_cv_search_dgemm+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dgemm+:} false; then :
+if test ${ac_cv_search_dgemm+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dgemm=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
-$as_echo "$ac_cv_search_dgemm" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dgemm" >&5
+printf "%s\n" "$ac_cv_search_dgemm" >&6; }
 ac_res=$ac_cv_search_dgemm
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_blas=1
                                    blas_libs="$try_loption $LIBS"
@@ -5194,45 +5824,51 @@ then
                         FFLAGS="$test_fflags"
                         LDFLAGS="$test_ldflags $try_loption $blas_libs"
                         LIBS=""
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dspev" >&5
-$as_echo_n "checking for library containing dspev... " >&6; }
-if ${ac_cv_search_dspev+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dspev" >&5
+printf %s "checking for library containing dspev... " >&6; }
+if test ${ac_cv_search_dspev+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dspev
       end
 _ACEOF
-for ac_lib in '' lapack; do
+for ac_lib in '' lapack
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dspev=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dspev+:} false; then :
+  if test ${ac_cv_search_dspev+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dspev+:} false; then :
+if test ${ac_cv_search_dspev+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dspev=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dspev" >&5
-$as_echo "$ac_cv_search_dspev" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dspev" >&5
+printf "%s\n" "$ac_cv_search_dspev" >&6; }
 ac_res=$ac_cv_search_dspev
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_lapack=1
                                        lapack_libs="$try_loption $LIBS"
@@ -5263,45 +5899,51 @@ fi
                         FFLAGS="$test_fflags"
                         LDFLAGS="$test_ldflags $try_loption"
                         LIBS="$blas_libs"
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dspev" >&5
-$as_echo_n "checking for library containing dspev... " >&6; }
-if ${ac_cv_search_dspev+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dspev" >&5
+printf %s "checking for library containing dspev... " >&6; }
+if test ${ac_cv_search_dspev+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dspev
       end
 _ACEOF
-for ac_lib in '' lapack-3 lapack; do
+for ac_lib in '' lapack-3 lapack
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dspev=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dspev+:} false; then :
+  if test ${ac_cv_search_dspev+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dspev+:} false; then :
+if test ${ac_cv_search_dspev+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dspev=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dspev" >&5
-$as_echo "$ac_cv_search_dspev" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dspev" >&5
+printf "%s\n" "$ac_cv_search_dspev" >&6; }
 ac_res=$ac_cv_search_dspev
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_lapack=1
                                        lapack_libs="$try_loption $LIBS"
@@ -5345,8 +5987,8 @@ ac_config_files="$ac_config_files install/make_lapack.inc"
 have_fft=0
 have_fft_include=0
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking FFT" >&5
-$as_echo_n "checking FFT... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking FFT" >&5
+printf %s "checking FFT... " >&6; }
 
 if test "$fft_libs" = ""; then
    # if FFT_LIBS is not defined, try to autodetect what is available
@@ -5405,45 +6047,51 @@ if test "$fft_libs" = ""; then
                         FFLAGS="$test_fflags"
                         LDFLAGS="$test_ldflags $try_loption"
                         LIBS=""
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing zftfax" >&5
-$as_echo_n "checking for library containing zftfax... " >&6; }
-if ${ac_cv_search_zftfax+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing zftfax" >&5
+printf %s "checking for library containing zftfax... " >&6; }
+if test ${ac_cv_search_zftfax+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call zftfax
       end
 _ACEOF
-for ac_lib in '' fft; do
+for ac_lib in '' fft
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_zftfax=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_zftfax+:} false; then :
+  if test ${ac_cv_search_zftfax+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_zftfax+:} false; then :
+if test ${ac_cv_search_zftfax+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_zftfax=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_zftfax" >&5
-$as_echo "$ac_cv_search_zftfax" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_zftfax" >&5
+printf "%s\n" "$ac_cv_search_zftfax" >&6; }
 ac_res=$ac_cv_search_zftfax
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_fft=1
                              try_dflags="$try_dflags try_dflags_fft_mathkeisan"
@@ -5473,45 +6121,51 @@ fi
                         FFLAGS="$test_fflags"
                         LDFLAGS="$test_ldflags $try_loption"
                         LIBS=""
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing zfc3cl" >&5
-$as_echo_n "checking for library containing zfc3cl... " >&6; }
-if ${ac_cv_search_zfc3cl+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing zfc3cl" >&5
+printf %s "checking for library containing zfc3cl... " >&6; }
+if test ${ac_cv_search_zfc3cl+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call zfc3cl
       end
 _ACEOF
-for ac_lib in '' asl; do
+for ac_lib in '' asl
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_zfc3cl=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_zfc3cl+:} false; then :
+  if test ${ac_cv_search_zfc3cl+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_zfc3cl+:} false; then :
+if test ${ac_cv_search_zfc3cl+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_zfc3cl=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_zfc3cl" >&5
-$as_echo "$ac_cv_search_zfc3cl" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_zfc3cl" >&5
+printf "%s\n" "$ac_cv_search_zfc3cl" >&6; }
 ac_res=$ac_cv_search_zfc3cl
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_fft=1
                              asl_libs="$try_loption $LIBS"
@@ -5558,45 +6212,51 @@ fi
                   then
                     # Try testing openmp without -lfftw3 first, if that fails then return
                     # to previous behaviour
-                    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dfftw_execute_dft" >&5
-$as_echo_n "checking for library containing dfftw_execute_dft... " >&6; }
-if ${ac_cv_search_dfftw_execute_dft+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dfftw_execute_dft" >&5
+printf %s "checking for library containing dfftw_execute_dft... " >&6; }
+if test ${ac_cv_search_dfftw_execute_dft+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dfftw_execute_dft
       end
 _ACEOF
-for ac_lib in '' fftw3_omp; do
+for ac_lib in '' fftw3_omp
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib -lm $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dfftw_execute_dft=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dfftw_execute_dft+:} false; then :
+  if test ${ac_cv_search_dfftw_execute_dft+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dfftw_execute_dft+:} false; then :
+if test ${ac_cv_search_dfftw_execute_dft+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dfftw_execute_dft=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dfftw_execute_dft" >&5
-$as_echo "$ac_cv_search_dfftw_execute_dft" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dfftw_execute_dft" >&5
+printf "%s\n" "$ac_cv_search_dfftw_execute_dft" >&6; }
 ac_res=$ac_cv_search_dfftw_execute_dft
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_fft=1
                                fft_libs="$try_loption $LIBS"
@@ -5605,45 +6265,51 @@ fi
                     if test "$have_fft" -eq 0
                     then
 		      unset ac_cv_search_dfftw_execute_dft
-                      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dfftw_execute_dft" >&5
-$as_echo_n "checking for library containing dfftw_execute_dft... " >&6; }
-if ${ac_cv_search_dfftw_execute_dft+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dfftw_execute_dft" >&5
+printf %s "checking for library containing dfftw_execute_dft... " >&6; }
+if test ${ac_cv_search_dfftw_execute_dft+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dfftw_execute_dft
       end
 _ACEOF
-for ac_lib in '' fftw3_omp; do
+for ac_lib in '' fftw3_omp
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib -lfftw3 -lm $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dfftw_execute_dft=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dfftw_execute_dft+:} false; then :
+  if test ${ac_cv_search_dfftw_execute_dft+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dfftw_execute_dft+:} false; then :
+if test ${ac_cv_search_dfftw_execute_dft+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dfftw_execute_dft=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dfftw_execute_dft" >&5
-$as_echo "$ac_cv_search_dfftw_execute_dft" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dfftw_execute_dft" >&5
+printf "%s\n" "$ac_cv_search_dfftw_execute_dft" >&6; }
 ac_res=$ac_cv_search_dfftw_execute_dft
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_fft=1
                                  fft_libs="$try_loption $LIBS -lfftw3"
@@ -5651,45 +6317,51 @@ fi
 
                     fi
                   else
-                    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dfftw_execute_dft" >&5
-$as_echo_n "checking for library containing dfftw_execute_dft... " >&6; }
-if ${ac_cv_search_dfftw_execute_dft+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dfftw_execute_dft" >&5
+printf %s "checking for library containing dfftw_execute_dft... " >&6; }
+if test ${ac_cv_search_dfftw_execute_dft+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call dfftw_execute_dft
       end
 _ACEOF
-for ac_lib in '' fftw3; do
+for ac_lib in '' fftw3
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib -lm $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_dfftw_execute_dft=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_dfftw_execute_dft+:} false; then :
+  if test ${ac_cv_search_dfftw_execute_dft+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_dfftw_execute_dft+:} false; then :
+if test ${ac_cv_search_dfftw_execute_dft+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_dfftw_execute_dft=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dfftw_execute_dft" >&5
-$as_echo "$ac_cv_search_dfftw_execute_dft" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dfftw_execute_dft" >&5
+printf "%s\n" "$ac_cv_search_dfftw_execute_dft" >&6; }
 ac_res=$ac_cv_search_dfftw_execute_dft
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_fft=1
                                fft_libs="$try_loption $LIBS"
@@ -5701,26 +6373,27 @@ fi
                   then
                         try_dflags="$try_dflags -D__FFTW3"
                         try_incdir="$FFTW_INCLUDE $FFTW_INC $INCLUDE_PATH $CPATH $FPATH"
-                        orig_fflags="$FFLAGS"
+                        orig_fflags="$FCFLAGS"
                         for inc in $try_incdir
                         do
-                           FFLAGS="$orig_fflags -I$inc"
+                           FCFLAGS="$orig_fflags -I$inc"
                            cat > conftest.$ac_ext <<_ACEOF
 use iso_c_binding
 include "fftw3.f03"
 end
 _ACEOF
-if ac_fn_fc_try_compile "$LINENO"; then :
+if ac_fn_fc_try_compile "$LINENO"
+then :
   have_fft_include=1
 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
                            if test "$have_fft_include" -eq 1
                            then
                              try_iflags="$try_iflags -I$inc"
                              break
                            fi
                         done
-                        FFLAGS="$orig_fflags"
+                        FCFLAGS="$orig_fflags"
                         break
                   fi
 
@@ -5749,8 +6422,8 @@ else
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${fft_libs}" >&5
-$as_echo "${fft_libs}" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${fft_libs}" >&5
+printf "%s\n" "${fft_libs}" >&6; }
 fft_line="FFT_LIBS=$fft_libs"
 
 
@@ -5765,13 +6438,14 @@ acx_libxc_ok=no
 
 
 # Check whether --with-libxc was given.
-if test "${with_libxc+set}" = set; then :
+if test ${with_libxc+y}
+then :
   withval=$with_libxc; if  test "$withval" = "no" ; then
       with_libxc=0
    else
       with_libxc=1
    fi
-else
+else $as_nop
   with_libxc=0
 
 fi
@@ -5779,13 +6453,15 @@ fi
 
 
 # Check whether --with-libxc-prefix was given.
-if test "${with_libxc_prefix+set}" = set; then :
+if test ${with_libxc_prefix+y}
+then :
   withval=$with_libxc_prefix;
 fi
 
 
 # Check whether --with-libxc-include was given.
-if test "${with_libxc_include+set}" = set; then :
+if test ${with_libxc_include+y}
+then :
   withval=$with_libxc_include;
 fi
 
@@ -5820,8 +6496,8 @@ esac
 acx_libxc_save_LIBS="$LIBS"
 acx_libxc_save_FCFLAGS="$FCFLAGS"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libxc" >&5
-$as_echo_n "checking for libxc... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libxc" >&5
+printf %s "checking for libxc... " >&6; }
 ac_ext=${ac_fc_srcext-f}
 ac_compile='$FC -c $FCFLAGS $ac_fcflags_srcext conftest.$ac_ext >&5'
 ac_link='$FC -o conftest$ac_exeext $FCFLAGS $LDFLAGS $ac_fcflags_srcext conftest.$ac_ext $LIBS >&5'
@@ -5847,10 +6523,11 @@ if test ! -z "$LIBS_LIBXC"; then
   cat > conftest.$ac_ext <<_ACEOF
 $testprog
 _ACEOF
-if ac_fn_fc_try_link "$LINENO"; then :
+if ac_fn_fc_try_link "$LINENO"
+then :
   acx_libxc_ok=yes
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   LIBS="$LIBS_LIBXC $acx_libxc_save_LIBS"
 fi
@@ -5862,10 +6539,11 @@ if test ! -z "$with_libxc_prefix"; then
     cat > conftest.$ac_ext <<_ACEOF
 $testprog
 _ACEOF
-if ac_fn_fc_try_link "$LINENO"; then :
+if ac_fn_fc_try_link "$LINENO"
+then :
   acx_libxc_ok=yes
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
     LIBS="$LIBS_LIBXC $acx_libxc_save_LIBS"
   fi
@@ -5875,16 +6553,17 @@ else
   cat > conftest.$ac_ext <<_ACEOF
 $testprog
 _ACEOF
-if ac_fn_fc_try_link "$LINENO"; then :
+if ac_fn_fc_try_link "$LINENO"
+then :
   acx_libxc_ok=yes
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
   LIBS="$LIBS_LIBXC $acx_libxc_save_LIBS"
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_libxc_ok ($FCFLAGS_LIBXC $LIBS_LIBXC)" >&5
-$as_echo "$acx_libxc_ok ($FCFLAGS_LIBXC $LIBS_LIBXC)" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $acx_libxc_ok ($FCFLAGS_LIBXC $LIBS_LIBXC)" >&5
+printf "%s\n" "$acx_libxc_ok ($FCFLAGS_LIBXC $LIBS_LIBXC)" >&6; }
 LDFLAGS="$LDFLAGS_KEEP"
 
 libxc_line="@delete@"
@@ -5911,13 +6590,14 @@ fi
 
 
 # Check whether --with-fox was given.
-if test "${with_fox+set}" = set; then :
+if test ${with_fox+y}
+then :
   withval=$with_fox; if   test "$withval" = "yes" ; then
         with_fox=1
      else
         with_fox=0
      fi
-else
+else $as_nop
   with_fox=0
 fi
 
@@ -5945,8 +6625,8 @@ fi
 # Checking for IBM MASS library...
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking MASS" >&5
-$as_echo_n "checking MASS... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking MASS" >&5
+printf %s "checking MASS... " >&6; }
 
  # check for IBM mass
 if test "$mass_libs" = ""
@@ -5974,45 +6654,51 @@ then
                         FFLAGS="$test_fflags"
                         LDFLAGS="$test_ldflags $try_loption"
                         LIBS=""
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing vexp" >&5
-$as_echo_n "checking for library containing vexp... " >&6; }
-if ${ac_cv_search_vexp+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing vexp" >&5
+printf %s "checking for library containing vexp... " >&6; }
+if test ${ac_cv_search_vexp+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call vexp
       end
 _ACEOF
-for ac_lib in '' massvp4 massv; do
+for ac_lib in '' massvp4 massv
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib -lmass $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_vexp=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_vexp+:} false; then :
+  if test ${ac_cv_search_vexp+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_vexp+:} false; then :
+if test ${ac_cv_search_vexp+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_vexp=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_vexp" >&5
-$as_echo "$ac_cv_search_vexp" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_vexp" >&5
+printf "%s\n" "$ac_cv_search_vexp" >&6; }
 ac_res=$ac_cv_search_vexp
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
@@ -6042,45 +6728,51 @@ fi
                         FFLAGS="$test_fflags"
                         LDFLAGS="$test_ldflags $try_loption"
                         LIBS=""
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing vexp" >&5
-$as_echo_n "checking for library containing vexp... " >&6; }
-if ${ac_cv_search_vexp+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing vexp" >&5
+printf %s "checking for library containing vexp... " >&6; }
+if test ${ac_cv_search_vexp+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call vexp
       end
 _ACEOF
-for ac_lib in '' massv; do
+for ac_lib in '' massv
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib -lmass_simd $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_vexp=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_vexp+:} false; then :
+  if test ${ac_cv_search_vexp+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_vexp+:} false; then :
+if test ${ac_cv_search_vexp+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_vexp=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_vexp" >&5
-$as_echo "$ac_cv_search_vexp" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_vexp" >&5
+printf "%s\n" "$ac_cv_search_vexp" >&6; }
 ac_res=$ac_cv_search_vexp
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
@@ -6110,45 +6802,51 @@ fi
                         FFLAGS="$test_fflags"
                         LDFLAGS="$test_ldflags $try_loption"
                         LIBS=""
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing vexp" >&5
-$as_echo_n "checking for library containing vexp... " >&6; }
-if ${ac_cv_search_vexp+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing vexp" >&5
+printf %s "checking for library containing vexp... " >&6; }
+if test ${ac_cv_search_vexp+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call vexp
       end
 _ACEOF
-for ac_lib in '' massvp4_64; do
+for ac_lib in '' massvp4_64
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib -lmass_64 $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_vexp=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_vexp+:} false; then :
+  if test ${ac_cv_search_vexp+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_vexp+:} false; then :
+if test ${ac_cv_search_vexp+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_vexp=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_vexp" >&5
-$as_echo "$ac_cv_search_vexp" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_vexp" >&5
+printf "%s\n" "$ac_cv_search_vexp" >&6; }
 ac_res=$ac_cv_search_vexp
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
@@ -6182,8 +6880,8 @@ else
    mass_line="@delete@"
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${mass_libs}" >&5
-$as_echo "${mass_libs}" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${mass_libs}" >&5
+printf "%s\n" "${mass_libs}" >&6; }
 
 
 
@@ -6213,45 +6911,51 @@ then
                         unset ac_cv_search_mpi_init # clear cached value
                         LDFLAGS="$test_ldflags"
                         LIBS="$mpi_libs"
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing mpi_init" >&5
-$as_echo_n "checking for library containing mpi_init... " >&6; }
-if ${ac_cv_search_mpi_init+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+                        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing mpi_init" >&5
+printf %s "checking for library containing mpi_init... " >&6; }
+if test ${ac_cv_search_mpi_init+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call mpi_init
       end
 _ACEOF
-for ac_lib in '' mpi; do
+for ac_lib in '' mpi
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_mpi_init=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_mpi_init+:} false; then :
+  if test ${ac_cv_search_mpi_init+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_mpi_init+:} false; then :
+if test ${ac_cv_search_mpi_init+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_mpi_init=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_mpi_init" >&5
-$as_echo "$ac_cv_search_mpi_init" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_mpi_init" >&5
+printf "%s\n" "$ac_cv_search_mpi_init" >&6; }
 ac_res=$ac_cv_search_mpi_init
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_mpi=1 parallel=1 mpi_libs="$LIBS" try_dflags="$try_dflags -D__MPI"
 fi
@@ -6304,7 +7008,8 @@ have_scalapack=0
 
 
 # Check whether --with-scalapack was given.
-if test "${with_scalapack+set}" = set; then :
+if test ${with_scalapack+y}
+then :
   withval=$with_scalapack; if  test "$withval" = "yes" ; then
       with_scalapack=1
    elif  test "$withval" = "intel" ; then
@@ -6312,7 +7017,7 @@ if test "${with_scalapack+set}" = set; then :
    elif  test "$withval" = "no" ; then
       with_scalapack=0
    fi
-else
+else $as_nop
   with_scalapack=1
 fi
 
@@ -6328,45 +7033,51 @@ do
     test "$with_scalapack" -eq 0 && break
     if test "$scalapack_libs" = "" ; then
 # no additional libraries needed
-       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
-$as_echo_n "checking for library containing pdgemr2d... " >&6; }
-if ${ac_cv_search_pdgemr2d+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
+printf %s "checking for library containing pdgemr2d... " >&6; }
+if test ${ac_cv_search_pdgemr2d+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call pdgemr2d
       end
 _ACEOF
-for ac_lib in '' "" ; do
+for ac_lib in '' ""
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_pdgemr2d=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_pdgemr2d+:} false; then :
+  if test ${ac_cv_search_pdgemr2d+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_pdgemr2d+:} false; then :
+if test ${ac_cv_search_pdgemr2d+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_pdgemr2d=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
-$as_echo "$ac_cv_search_pdgemr2d" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
+printf "%s\n" "$ac_cv_search_pdgemr2d" >&6; }
 ac_res=$ac_cv_search_pdgemr2d
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_scalapack=1
                    try_dflags="$try_dflags -D__SCALAPACK"
@@ -6383,45 +7094,51 @@ if test "$have_mkl" -eq 1
       else
          scalapack_libs=-lmkl_blacs_intelmpi_lp64
       fi
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
-$as_echo_n "checking for library containing pdgemr2d... " >&6; }
-if ${ac_cv_search_pdgemr2d+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
+printf %s "checking for library containing pdgemr2d... " >&6; }
+if test ${ac_cv_search_pdgemr2d+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call pdgemr2d
       end
 _ACEOF
-for ac_lib in '' "mkl_scalapack_lp64" ; do
+for ac_lib in '' "mkl_scalapack_lp64"
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib "$scalapack_libs"  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_pdgemr2d=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_pdgemr2d+:} false; then :
+  if test ${ac_cv_search_pdgemr2d+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_pdgemr2d+:} false; then :
+if test ${ac_cv_search_pdgemr2d+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_pdgemr2d=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
-$as_echo "$ac_cv_search_pdgemr2d" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
+printf "%s\n" "$ac_cv_search_pdgemr2d" >&6; }
 ac_res=$ac_cv_search_pdgemr2d
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_scalapack=1
                      try_dflags="$try_dflags -D__SCALAPACK"
@@ -6435,45 +7152,51 @@ fi
        unset ac_cv_search_pdgemr2d # clear cached value
        scalapack_libs="-lsci"
        LIBS="$mpi_libs $scalapack_libs"
-       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
-$as_echo_n "checking for library containing pdgemr2d... " >&6; }
-if ${ac_cv_search_pdgemr2d+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
+printf %s "checking for library containing pdgemr2d... " >&6; }
+if test ${ac_cv_search_pdgemr2d+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call pdgemr2d
       end
 _ACEOF
-for ac_lib in '' "" ; do
+for ac_lib in '' ""
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_pdgemr2d=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_pdgemr2d+:} false; then :
+  if test ${ac_cv_search_pdgemr2d+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_pdgemr2d+:} false; then :
+if test ${ac_cv_search_pdgemr2d+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_pdgemr2d=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
-$as_echo "$ac_cv_search_pdgemr2d" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
+printf "%s\n" "$ac_cv_search_pdgemr2d" >&6; }
 ac_res=$ac_cv_search_pdgemr2d
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_scalapack=1
                       try_dflags="$try_dflags -D__SCALAPACK"
@@ -6485,45 +7208,51 @@ fi
        scalapack_libs="-lscalapack"
        LIBS="$mpi_libs $scalapack_libs"
        LDFLAGS=""
-       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
-$as_echo_n "checking for library containing pdgemr2d... " >&6; }
-if ${ac_cv_search_pdgemr2d+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
+printf %s "checking for library containing pdgemr2d... " >&6; }
+if test ${ac_cv_search_pdgemr2d+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call pdgemr2d
       end
 _ACEOF
-for ac_lib in '' "" ; do
+for ac_lib in '' ""
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_pdgemr2d=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_pdgemr2d+:} false; then :
+  if test ${ac_cv_search_pdgemr2d+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_pdgemr2d+:} false; then :
+if test ${ac_cv_search_pdgemr2d+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_pdgemr2d=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
-$as_echo "$ac_cv_search_pdgemr2d" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
+printf "%s\n" "$ac_cv_search_pdgemr2d" >&6; }
 ac_res=$ac_cv_search_pdgemr2d
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_scalapack=1
                    try_dflags="$try_dflags -D__SCALAPACK"
@@ -6536,45 +7265,51 @@ fi
        scalapack_libs="-lscalapack $blacs_libs"
        LIBS="$mpi_libs $scalapack_libs"
        LDFLAGS=""
-       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
-$as_echo_n "checking for library containing pdgemr2d... " >&6; }
-if ${ac_cv_search_pdgemr2d+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
+printf %s "checking for library containing pdgemr2d... " >&6; }
+if test ${ac_cv_search_pdgemr2d+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call pdgemr2d
       end
 _ACEOF
-for ac_lib in '' "" ; do
+for ac_lib in '' ""
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_pdgemr2d=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_pdgemr2d+:} false; then :
+  if test ${ac_cv_search_pdgemr2d+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_pdgemr2d+:} false; then :
+if test ${ac_cv_search_pdgemr2d+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_pdgemr2d=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
-$as_echo "$ac_cv_search_pdgemr2d" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
+printf "%s\n" "$ac_cv_search_pdgemr2d" >&6; }
 ac_res=$ac_cv_search_pdgemr2d
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_scalapack=1
                    try_dflags="$try_dflags -D__SCALAPACK"
@@ -6589,45 +7324,51 @@ fi
        scalapack_libs="-L$scalapack_dir -lscalapack $blacs_libs"
        LIBS="$mpi_libs $scalapack_libs"
        LDFLAGS=""
-       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
-$as_echo_n "checking for library containing pdgemr2d... " >&6; }
-if ${ac_cv_search_pdgemr2d+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pdgemr2d" >&5
+printf %s "checking for library containing pdgemr2d... " >&6; }
+if test ${ac_cv_search_pdgemr2d+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat > conftest.$ac_ext <<_ACEOF
       program main
       call pdgemr2d
       end
 _ACEOF
-for ac_lib in '' "" ; do
+for ac_lib in '' ""
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_fc_try_link "$LINENO"; then :
+  if ac_fn_fc_try_link "$LINENO"
+then :
   ac_cv_search_pdgemr2d=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_pdgemr2d+:} false; then :
+  if test ${ac_cv_search_pdgemr2d+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_pdgemr2d+:} false; then :
+if test ${ac_cv_search_pdgemr2d+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_pdgemr2d=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
-$as_echo "$ac_cv_search_pdgemr2d" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pdgemr2d" >&5
+printf "%s\n" "$ac_cv_search_pdgemr2d" >&6; }
 ac_res=$ac_cv_search_pdgemr2d
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_scalapack=1
                    try_dflags="$try_dflags -D__SCALAPACK"
@@ -6643,13 +7384,14 @@ done
 # Enable QRCP with scalapack if --with-scalapack-qrcp==yes is set.
 
 # Check whether --with-scalapack-qrcp was given.
-if test "${with_scalapack_qrcp+set}" = set; then :
+if test ${with_scalapack_qrcp+y}
+then :
   withval=$with_scalapack_qrcp; if test "$withval" = "yes" ; then
       with_scalapack_qrcp=1
    else
       with_scalapack_qrcp=0
    fi
-else
+else $as_nop
   with_scalapack_qrcp=0
 
 fi
@@ -6676,46 +7418,49 @@ fi
 # Setting ELPA...
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking ELPA" >&5
-$as_echo_n "checking ELPA... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking ELPA" >&5
+printf %s "checking ELPA... " >&6; }
 
 
 # Check whether --with-elpa-include was given.
-if test "${with_elpa_include+set}" = set; then :
+if test ${with_elpa_include+y}
+then :
   withval=$with_elpa_include; if  test "$withval" = "no" ; then
       with_elpa_include=0
    else
       with_elpa_include=1
       elpa_include="$withval"
    fi
-else
+else $as_nop
   with_elpa_include=0
 fi
 
 
 
 # Check whether --with-elpa-lib was given.
-if test "${with_elpa_lib+set}" = set; then :
+if test ${with_elpa_lib+y}
+then :
   withval=$with_elpa_lib; if  test "$withval" = "no" ; then
       with_elpa_libs=0
    else
       with_elpa_libs=1
       elpa_libs="$withval"
    fi
-else
+else $as_nop
   with_elpa_libs=0
 fi
 
 
 
 # Check whether --with-elpa-version was given.
-if test "${with_elpa_version+set}" = set; then :
+if test ${with_elpa_version+y}
+then :
   withval=$with_elpa_version; if  test "$withval" = "no" ; then
       with_elpa_version=0
    else
       with_elpa_version="$withval"
    fi
-else
+else $as_nop
   with_elpa_version="2018"
 fi
 
@@ -6737,8 +7482,8 @@ if test "$with_elpa_libs" -eq 1; then
       elif test "$with_elpa_version" = "2018"; then
         try_dflags="$try_dflags -D__ELPA"
       else
-        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: *** Invalid ELPA version, defaulting to 2018" >&5
-$as_echo "$as_me: WARNING: *** Invalid ELPA version, defaulting to 2018" >&2;}
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: *** Invalid ELPA version, defaulting to 2018" >&5
+printf "%s\n" "$as_me: WARNING: *** Invalid ELPA version, defaulting to 2018" >&2;}
         try_dflags="$try_dflags -D__ELPA"
       fi
 
@@ -6747,13 +7492,13 @@ $as_echo "$as_me: WARNING: *** Invalid ELPA version, defaulting to 2018" >&2;}
       elpa_line="ELPA_LIBS=$elpa_libs"
     fi
   else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: *** ScaLAPACK is needed to use ELPA" >&5
-$as_echo "$as_me: WARNING: *** ScaLAPACK is needed to use ELPA" >&2;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: *** ScaLAPACK is needed to use ELPA" >&5
+printf "%s\n" "$as_me: WARNING: *** ScaLAPACK is needed to use ELPA" >&2;}
   fi
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${elpa_libs}" >&5
-$as_echo "${elpa_libs}" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${elpa_libs}" >&5
+printf "%s\n" "${elpa_libs}" >&6; }
 
 
 
@@ -6765,7 +7510,8 @@ $as_echo "${elpa_libs}" >&6; }
 
 
 # Check whether --with-hdf5 was given.
-if test "${with_hdf5+set}" = set; then :
+if test ${with_hdf5+y}
+then :
   withval=$with_hdf5; if  test "$withval" = "no" ; then
       with_hdf5=0
    elif test $withval = "yes" ; then
@@ -6776,35 +7522,37 @@ if test "${with_hdf5+set}" = set; then :
       skip_hdf5_module_check=0
       with_hdf5=1
    fi
-else
+else $as_nop
   with_hdf5=0
 fi
 
 
 
 # Check whether --with-hdf5-libs was given.
-if test "${with_hdf5_libs+set}" = set; then :
+if test ${with_hdf5_libs+y}
+then :
   withval=$with_hdf5_libs; if  test "$withval" = "no" ; then
       with_hdf5_libs=0
    else
       with_hdf5_libline="$withval"
       with_hdf5_libs=1
    fi
-else
+else $as_nop
   with_hdf5_libs=0
 fi
 
 
 
 # Check whether --with-hdf5-include was given.
-if test "${with_hdf5_include+set}" = set; then :
+if test ${with_hdf5_include+y}
+then :
   withval=$with_hdf5_include; if  test "$withval" = "no" ; then
       with_hdf5_include=0
    else
       with_hdf5_include_line="$withval"
       with_hdf5_include=1
    fi
-else
+else $as_nop
   with_hdf5_include=0
 fi
 
@@ -6825,10 +7573,10 @@ if test "$use_parallel" -ne 0; then
           test "$f90_major_version" -le "4" &&
           test "$f90_minor_version" -lt "9" ; then
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: *** HDF5 support requires GNU GFORTRAN >= 4.9 " >&5
-$as_echo "$as_me: WARNING: *** HDF5 support requires GNU GFORTRAN >= 4.9 " >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: *** HDF5 support requires GNU GFORTRAN >= 4.9 " >&5
+printf "%s\n" "$as_me: WARNING: *** HDF5 support requires GNU GFORTRAN >= 4.9 " >&2;}
     else
 
       # Test if it is really installed where it has been specified
@@ -6876,11 +7624,12 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
           #LIBS="-lhdf5"
           LIBS=""
 
-          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing H5Fcreate" >&5
-$as_echo_n "checking for library containing H5Fcreate... " >&6; }
-if ${ac_cv_search_H5Fcreate+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing H5Fcreate" >&5
+printf %s "checking for library containing H5Fcreate... " >&6; }
+if test ${ac_cv_search_H5Fcreate+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6888,46 +7637,48 @@ cat confdefs.h - <<_ACEOF >conftest.$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 H5Fcreate ();
 int
-main ()
+main (void)
 {
 return H5Fcreate ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' hdf5 hdf5_fortran; do
+for ac_lib in '' hdf5 hdf5_fortran
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"; then :
+  if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_search_H5Fcreate=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_H5Fcreate+:} false; then :
+  if test ${ac_cv_search_H5Fcreate+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_H5Fcreate+:} false; then :
+if test ${ac_cv_search_H5Fcreate+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_H5Fcreate=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_H5Fcreate" >&5
-$as_echo "$ac_cv_search_H5Fcreate" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_H5Fcreate" >&5
+printf "%s\n" "$ac_cv_search_H5Fcreate" >&6; }
 ac_res=$ac_cv_search_H5Fcreate
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_hdf5=1
 fi
@@ -6951,12 +7702,13 @@ ac_compiler_gnu=$ac_cv_fc_compiler_gnu
 
       if test "$have_hdf5" -eq 1 ; then
           if test "$with_hdf5_include" -eq 1 ; then
-              as_ac_File=`$as_echo "ac_cv_file_$with_hdf5_include_line/hdf5.mod" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $with_hdf5_include_line/hdf5.mod" >&5
-$as_echo_n "checking for $with_hdf5_include_line/hdf5.mod... " >&6; }
-if eval \${$as_ac_File+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+              as_ac_File=`printf "%s\n" "ac_cv_file_$with_hdf5_include_line/hdf5.mod" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $with_hdf5_include_line/hdf5.mod" >&5
+printf %s "checking for $with_hdf5_include_line/hdf5.mod... " >&6; }
+if eval test \${$as_ac_File+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   test "$cross_compiling" = yes &&
   as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "$with_hdf5_include_line/hdf5.mod"; then
@@ -6966,24 +7718,26 @@ else
 fi
 fi
 eval ac_res=\$$as_ac_File
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_File"\" = x"yes"
+then :
 
-else
+else $as_nop
 
-                  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: ***HDF5 Fortran extensions not found" >&5
-$as_echo "$as_me: WARNING: ***HDF5 Fortran extensions not found" >&2;}
+                  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: ***HDF5 Fortran extensions not found" >&5
+printf "%s\n" "$as_me: WARNING: ***HDF5 Fortran extensions not found" >&2;}
                   have_hdf5=0
 fi
 
           elif test "$skip_hdf5_module_check" -eq 0; then
-              as_ac_File=`$as_echo "ac_cv_file_$with_hdf5_path/include/hdf5.mod" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $with_hdf5_path/include/hdf5.mod" >&5
-$as_echo_n "checking for $with_hdf5_path/include/hdf5.mod... " >&6; }
-if eval \${$as_ac_File+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+              as_ac_File=`printf "%s\n" "ac_cv_file_$with_hdf5_path/include/hdf5.mod" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $with_hdf5_path/include/hdf5.mod" >&5
+printf %s "checking for $with_hdf5_path/include/hdf5.mod... " >&6; }
+if eval test \${$as_ac_File+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   test "$cross_compiling" = yes &&
   as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "$with_hdf5_path/include/hdf5.mod"; then
@@ -6993,14 +7747,15 @@ else
 fi
 fi
 eval ac_res=\$$as_ac_File
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_File"\" = x"yes"
+then :
 
-else
+else $as_nop
 
-                  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: ***HDF5 Fortran extensions not found" >&5
-$as_echo "$as_me: WARNING: ***HDF5 Fortran extensions not found" >&2;}
+                  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: ***HDF5 Fortran extensions not found" >&5
+printf "%s\n" "$as_me: WARNING: ***HDF5 Fortran extensions not found" >&2;}
                   have_hdf5=0
 fi
 
@@ -7011,10 +7766,10 @@ fi
         major=`echo $version | cut -d. -f2`
         minor=`echo $version | cut -d. -f3`
 	if test "$major" -lt 8 || (test "$major" -eq 8 && test "$minor" -lt 16); then
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:  HDF5 version: 1.$major.$minor" >&5
-$as_echo "$as_me: WARNING:  HDF5 version: 1.$major.$minor" >&2;};
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: *** HDF5 version must be 1.8.16 or later" >&5
-$as_echo "$as_me: WARNING: *** HDF5 version must be 1.8.16 or later" >&2;};
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING:  HDF5 version: 1.$major.$minor" >&5
+printf "%s\n" "$as_me: WARNING:  HDF5 version: 1.$major.$minor" >&2;};
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: *** HDF5 version must be 1.8.16 or later" >&5
+printf "%s\n" "$as_me: WARNING: *** HDF5 version must be 1.8.16 or later" >&2;};
                 have_hdf5=0;
         fi
       fi
@@ -7074,10 +7829,10 @@ else
           test "$f90_major_version" -le "4" &&
           test "$f90_minor_version" -lt "9" ; then
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: *** HDF5 support requires GNU GFORTRAN >= 4.9 " >&5
-$as_echo "$as_me: WARNING: *** HDF5 support requires GNU GFORTRAN >= 4.9 " >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: *** HDF5 support requires GNU GFORTRAN >= 4.9 " >&5
+printf "%s\n" "$as_me: WARNING: *** HDF5 support requires GNU GFORTRAN >= 4.9 " >&2;}
     else
 
       # Test if it is really installed where it has been specified
@@ -7119,11 +7874,12 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
           #LIBS="-lhdf5"
           LIBS=""
 
-          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing H5Fcreate" >&5
-$as_echo_n "checking for library containing H5Fcreate... " >&6; }
-if ${ac_cv_search_H5Fcreate+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing H5Fcreate" >&5
+printf %s "checking for library containing H5Fcreate... " >&6; }
+if test ${ac_cv_search_H5Fcreate+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7131,46 +7887,48 @@ cat confdefs.h - <<_ACEOF >conftest.$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 H5Fcreate ();
 int
-main ()
+main (void)
 {
 return H5Fcreate ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' hdf5 hdf5_fortran; do
+for ac_lib in '' hdf5 hdf5_fortran
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"; then :
+  if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_search_H5Fcreate=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_H5Fcreate+:} false; then :
+  if test ${ac_cv_search_H5Fcreate+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_H5Fcreate+:} false; then :
+if test ${ac_cv_search_H5Fcreate+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_H5Fcreate=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_H5Fcreate" >&5
-$as_echo "$ac_cv_search_H5Fcreate" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_H5Fcreate" >&5
+printf "%s\n" "$ac_cv_search_H5Fcreate" >&6; }
 ac_res=$ac_cv_search_H5Fcreate
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_hdf5=1
 fi
@@ -7193,12 +7951,13 @@ ac_compiler_gnu=$ac_cv_fc_compiler_gnu
 
 
       if test "$have_hdf5" -eq 1 ; then
-          as_ac_File=`$as_echo "ac_cv_file_$with_hdf5_path/include/hdf5.mod" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $with_hdf5_path/include/hdf5.mod" >&5
-$as_echo_n "checking for $with_hdf5_path/include/hdf5.mod... " >&6; }
-if eval \${$as_ac_File+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+          as_ac_File=`printf "%s\n" "ac_cv_file_$with_hdf5_path/include/hdf5.mod" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $with_hdf5_path/include/hdf5.mod" >&5
+printf %s "checking for $with_hdf5_path/include/hdf5.mod... " >&6; }
+if eval test \${$as_ac_File+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   test "$cross_compiling" = yes &&
   as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "$with_hdf5_path/include/hdf5.mod"; then
@@ -7208,14 +7967,15 @@ else
 fi
 fi
 eval ac_res=\$$as_ac_File
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_File"\" = x"yes"
+then :
 
-else
+else $as_nop
 
-              { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: ***HDF5 Fortran extensions not found" >&5
-$as_echo "$as_me: WARNING: ***HDF5 Fortran extensions not found" >&2;}
+              { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: ***HDF5 Fortran extensions not found" >&5
+printf "%s\n" "$as_me: WARNING: ***HDF5 Fortran extensions not found" >&2;}
               have_hdf5=0
 fi
 
@@ -7225,10 +7985,10 @@ fi
         major=`echo $version | cut -d. -f2`
         minor=`echo $version | cut -d. -f3`
 	if test "$major" -lt 8 || (test "$major" -eq 8 && test "$minor" -lt 16); then
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:  HDF5 version: 1.$major.$minor" >&5
-$as_echo "$as_me: WARNING:  HDF5 version: 1.$major.$minor" >&2;};
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: *** HDF5 version must be 1.8.16 or later" >&5
-$as_echo "$as_me: WARNING: *** HDF5 version must be 1.8.16 or later" >&2;};
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING:  HDF5 version: 1.$major.$minor" >&5
+printf "%s\n" "$as_me: WARNING:  HDF5 version: 1.$major.$minor" >&2;};
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: *** HDF5 version must be 1.8.16 or later" >&5
+printf "%s\n" "$as_me: WARNING: *** HDF5 version must be 1.8.16 or later" >&2;};
                 have_hdf5=0;
         fi
       fi
@@ -7259,12 +8019,13 @@ fi
 # Checking environ...
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Environ" >&5
-$as_echo_n "checking for Environ... " >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Environ" >&5
+printf %s "checking for Environ... " >&6; }
 
 
 # Check whether --with-environ was given.
-if test "${with_environ+set}" = set; then :
+if test ${with_environ+y}
+then :
   withval=$with_environ;
 			if test "$withval" != yes ;
 		 	then
@@ -7277,16 +8038,16 @@ if test "${with_environ+set}" = set; then :
 				environ_libs="-L$environ_root/libs -lenvsrc -lenvfft -lenvutil"
 				try_iflags="$try_iflags -I$environ_root/src"
 		 		try_dflags="$try_dflags -D__ENVIRON"
-				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: found at $environ_root" >&5
-$as_echo "found at $environ_root" >&6; }
+				{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found at $environ_root" >&5
+printf "%s\n" "found at $environ_root" >&6; }
 			else
 			    as_fn_error $? "$environ_root is not a valid path" "$LINENO" 5
 			fi
 
 
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: not used" >&5
-$as_echo "not used" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not used" >&5
+printf "%s\n" "not used" >&6; }
 
 fi
 
@@ -7299,14 +8060,15 @@ fi
 
 
 # Check whether --enable-legacy_plugins was given.
-if test "${enable_legacy_plugins+set}" = set; then :
+if test ${enable_legacy_plugins+y}
+then :
   enableval=$enable_legacy_plugins; enable_legacy_plugins=$enableval
-else
+else $as_nop
   enable_legacy_plugins="no"
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: checking if legacy plugins are enabled ...  $enable_legacy_plugins" >&5
-$as_echo "checking if legacy plugins are enabled ...  $enable_legacy_plugins" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: checking if legacy plugins are enabled ...  $enable_legacy_plugins" >&5
+printf "%s\n" "checking if legacy plugins are enabled ...  $enable_legacy_plugins" >&6; }
 if test "$enable_legacy_plugins" = "yes";then
 	try_dflags="$try_dflags -D__LEGACY_PLUGINS"
 fi
@@ -7317,13 +8079,14 @@ fi
 
 
    # Check whether --enable-signals was given.
-if test "${enable_signals+set}" = set; then :
+if test ${enable_signals+y}
+then :
   enableval=$enable_signals; if   test "$enableval" = "yes" ; then
         use_signals=1
      else
         use_signals=0
      fi
-else
+else $as_nop
   use_signals=0
 fi
 
@@ -7338,13 +8101,14 @@ fi
 
 
    # Check whether --enable-exit-status was given.
-if test "${enable_exit_status+set}" = set; then :
+if test ${enable_exit_status+y}
+then :
   enableval=$enable_exit_status; if   test "$enableval" = "yes" ; then
         use_status=1
      else
         use_status=0
      fi
-else
+else $as_nop
   use_status=0
 fi
 
@@ -7363,11 +8127,12 @@ fi
   then
     # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; 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_ranlib+:} 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_ranlib+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$ranlib"; then
   ac_cv_prog_ranlib="$ranlib" # Let the user override the test.
 else
@@ -7375,11 +8140,15 @@ as_save_IFS=$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_ranlib="ranlib"
-    $as_echo "$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7391,11 +8160,11 @@ fi
 fi
 ranlib=$ac_cv_prog_ranlib
 if test -n "$ranlib"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ranlib" >&5
-$as_echo "$ranlib" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ranlib" >&5
+printf "%s\n" "$ranlib" >&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
 
 
@@ -7417,11 +8186,12 @@ fi
 
   # Extract the first word of "wget", so it can be a program name with args.
 set dummy wget; 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_wget+:} 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_wget+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$wget"; then
   ac_cv_prog_wget="$wget" # Let the user override the test.
 else
@@ -7429,11 +8199,15 @@ as_save_IFS=$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_wget="wget -O"
-    $as_echo "$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7444,22 +8218,23 @@ fi
 fi
 wget=$ac_cv_prog_wget
 if test -n "$wget"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $wget" >&5
-$as_echo "$wget" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $wget" >&5
+printf "%s\n" "$wget" >&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 "$wget" = ""; then
     # Extract the first word of "curl", so it can be a program name with args.
 set dummy curl; 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_wget+:} 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_wget+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$wget"; then
   ac_cv_prog_wget="$wget" # Let the user override the test.
 else
@@ -7467,11 +8242,15 @@ as_save_IFS=$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_wget="curl -o"
-    $as_echo "$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7482,11 +8261,11 @@ fi
 fi
 wget=$ac_cv_prog_wget
 if test -n "$wget"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $wget" >&5
-$as_echo "$wget" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $wget" >&5
+printf "%s\n" "$wget" >&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
 
 
@@ -7503,11 +8282,12 @@ fi
 
   # Extract the first word of "git", so it can be a program name with args.
 set dummy git; 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_git+:} 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_git+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$git"; then
   ac_cv_prog_git="$git" # Let the user override the test.
 else
@@ -7515,11 +8295,15 @@ as_save_IFS=$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_git="git"
-    $as_echo "$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$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7530,11 +8314,11 @@ fi
 fi
 git=$ac_cv_prog_git
 if test -n "$git"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $git" >&5
-$as_echo "$git" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $git" >&5
+printf "%s\n" "$git" >&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
 
 
@@ -7624,8 +8408,8 @@ _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) ;; #(
@@ -7655,15 +8439,15 @@ $as_echo "$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
@@ -7677,8 +8461,8 @@ $as_echo "$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
@@ -7695,7 +8479,7 @@ 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"
@@ -7711,8 +8495,8 @@ 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
 #! $SHELL
@@ -7735,14 +8519,16 @@ cat >>$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 ;; #(
@@ -7752,46 +8538,46 @@ 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=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -7800,13 +8586,6 @@ if test "${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 #((
@@ -7815,8 +8594,12 @@ 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
 
@@ -7828,30 +8611,10 @@ 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]
@@ -7864,13 +8627,14 @@ 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.
@@ -7897,18 +8661,20 @@ 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
@@ -7920,12 +8686,13 @@ 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 $? -eq 1`
@@ -7956,7 +8723,7 @@ as_me=`$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 '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -7978,6 +8745,10 @@ as_cr_Letters=$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*)
@@ -7991,6 +8762,12 @@ 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
@@ -8032,7 +8809,7 @@ 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"
@@ -8041,7 +8818,7 @@ $as_expr X"$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\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -8104,7 +8881,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by ESPRESSO $as_me 7.2, 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
@@ -8162,14 +8939,16 @@ $config_headers
 Report bugs to the package provider."
 
 _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="\\
 ESPRESSO config.status 7.2
-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."
 
@@ -8206,15 +8985,15 @@ 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'"
@@ -8222,7 +9001,7 @@ 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;;
@@ -8231,7 +9010,7 @@ 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" "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
@@ -8259,7 +9038,7 @@ cat >>$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 "\$@"
@@ -8273,7 +9052,7 @@ 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
@@ -8303,8 +9082,8 @@ 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 ${CONFIG_FILES+y} || CONFIG_FILES=$config_files
+  test ${CONFIG_HEADERS+y} || CONFIG_HEADERS=$config_headers
 fi
 
 # Have a temporary directory for convenience.  Make it in the build tree
@@ -8640,7 +9419,7 @@ 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
 
@@ -8648,17 +9427,17 @@ 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
@@ -8675,7 +9454,7 @@ $as_expr X"$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
@@ -8699,9 +9478,9 @@ $as_echo X"$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/ ;;
@@ -8754,8 +9533,8 @@ 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='
@@ -8797,9 +9576,9 @@ 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 "$ac_tmp/stdin"
@@ -8815,20 +9594,20 @@ which seems to be undefined.  Please make sure it is defined" >&2;}
   #
   if test x"$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
@@ -8869,11 +9648,12 @@ if test "$no_create" != yes; then
   $ac_cs_success || as_fn_exit 1
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-$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
 
 
 # final messages
 sed '/@delete@/d' configure.msg
 echo configure: success
+
diff --git a/install/m4/x_ac_qe_fft.m4 b/install/m4/x_ac_qe_fft.m4
index ca96781bc..1a29ff820 100644
--- a/install/m4/x_ac_qe_fft.m4
+++ b/install/m4/x_ac_qe_fft.m4
@@ -150,10 +150,10 @@ if test "$fft_libs" = ""; then
                   then
                         try_dflags="$try_dflags -D__FFTW3"
                         try_incdir="$FFTW_INCLUDE $FFTW_INC $INCLUDE_PATH $CPATH $FPATH"
-                        orig_fflags="$FFLAGS"
+                        orig_fflags="$FCFLAGS"
                         for inc in $try_incdir
                         do
-                           FFLAGS="$orig_fflags -I$inc"
+                           FCFLAGS="$orig_fflags -I$inc"
                            AC_COMPILE_IFELSE([use iso_c_binding
 include "fftw3.f03"
 end],have_fft_include=1,)
@@ -163,7 +163,7 @@ end],have_fft_include=1,)
                              break
                            fi
                         done
-                        FFLAGS="$orig_fflags"
+                        FCFLAGS="$orig_fflags"
                         break
                   fi