diff --git a/configure b/configure
index 8387413a..d63ea66c 100755
--- a/configure
+++ b/configure
@@ -1,11 +1,11 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for AMG4PSBLAS 1.2.0.
+# Generated by GNU Autoconf 2.72 for AMG4PSBLAS 1.2.0.
 #
 # Report bugs to <https://github.com/sfilippone/amg4psblas/issues>.
 #
 #
-# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
+# Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software Foundation,
 # Inc.
 #
 #
@@ -17,7 +17,6 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
@@ -26,12 +25,13 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
-  case `(set -o) 2>/dev/null` in #(
+else case e in #(
+  e) case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 
@@ -103,7 +103,7 @@ IFS=$as_save_IFS
 
      ;;
 esac
-# We did not find ourselves, most probably we were run as `sh COMMAND'
+# We did not find ourselves, most probably we were run as 'sh COMMAND'
 # in which case we are not to be found in the path.
 if test "x$as_myself" = x; then
   as_myself=$0
@@ -133,15 +133,14 @@ case $- in # ((((
 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'.
+# out after a failed 'exec'.
 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="as_nop=:
-if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+  as_bourne_compatible="if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
   NULLCMD=:
@@ -149,12 +148,13 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '\${1+\"\$@\"}'='\"\$@\"'
   setopt NO_GLOB_SUBST
-else \$as_nop
-  case \`(set -o) 2>/dev/null\` in #(
+else case e in #(
+  e) case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 "
@@ -172,8 +172,9 @@ as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
 if ( set x; as_fn_ret_success y && test x = \"\$1\" )
 then :
 
-else \$as_nop
-  exitcode=1; echo positional parameters were not saved.
+else case e in #(
+  e) exitcode=1; echo positional parameters were not saved. ;;
+esac
 fi
 test x\$exitcode = x0 || exit 1
 blah=\$(echo \$(echo blah))
@@ -187,14 +188,15 @@ test \$(( 1 + 1 )) = 2 || exit 1"
   if (eval "$as_required") 2>/dev/null
 then :
   as_have_required=yes
-else $as_nop
-  as_have_required=no
+else case e in #(
+  e) as_have_required=no ;;
+esac
 fi
   if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
 then :
 
-else $as_nop
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else case e in #(
+  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
@@ -227,12 +229,13 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else $as_nop
-  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+else case e in #(
+  e) if { test -f "$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 ;;
+esac
 fi
 
 
@@ -254,7 +257,7 @@ case $- in # ((((
 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'.
+# out after a failed 'exec'.
 printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
 fi
@@ -274,7 +277,8 @@ $0: this message. Then install a modern shell, or manually
 $0: run the script under such a shell if you do have one."
   fi
   exit 1
-fi
+fi ;;
+esac
 fi
 fi
 SHELL=${CONFIG_SHELL-/bin/sh}
@@ -313,14 +317,6 @@ 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
 # -------------
@@ -389,11 +385,12 @@ then :
   {
     eval $1+=\$2
   }'
-else $as_nop
-  as_fn_append ()
+else case e in #(
+  e) as_fn_append ()
   {
     eval $1=\$$1\$2
-  }
+  } ;;
+esac
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -407,21 +404,14 @@ then :
   {
     as_val=$(( $* ))
   }'
-else $as_nop
-  as_fn_arith ()
+else case e in #(
+  e) as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  }
+  } ;;
+esac
 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]
 # ----------------------------------------
@@ -495,6 +485,8 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
     /[$]LINENO/=
   ' <$as_myself |
     sed '
+      t clear
+      :clear
       s/[$]LINENO.*/&-/
       t lineno
       b
@@ -543,7 +535,6 @@ esac
 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
@@ -555,9 +546,9 @@ if (echo >conf$$.file) 2>/dev/null; then
   if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
     # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
+    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
+    # In both cases, we have to default to 'cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
       as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
@@ -582,10 +573,12 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
 
 # Sed expression to map a string onto a valid variable name.
-as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed '$as_sed_sh'" # deprecated
 
 
 test -n "$DJDIR" || exec 7<&0 </dev/null
@@ -720,6 +713,8 @@ ac_ct_FC
 LDFLAGS
 FCFLAGS
 FC
+am__xargs_n
+am__rm_f_notfound
 AM_BACKSLASH
 AM_DEFAULT_VERBOSITY
 AM_DEFAULT_V
@@ -956,7 +951,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+      as_fn_error $? "invalid feature name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -982,7 +977,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+      as_fn_error $? "invalid feature name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1195,7 +1190,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: \`$ac_useropt'"
+      as_fn_error $? "invalid package name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1211,7 +1206,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: \`$ac_useropt'"
+      as_fn_error $? "invalid package name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1241,8 +1236,8 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error $? "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information"
+  -*) as_fn_error $? "unrecognized option: '$ac_option'
+Try '$0 --help' for more information"
     ;;
 
   *=*)
@@ -1250,7 +1245,7 @@ Try \`$0 --help' for more information"
     # Reject names that are not valid shell variable names.
     case $ac_envvar in #(
       '' | [0-9]* | *[!_$as_cr_alnum]* )
-      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
+      as_fn_error $? "invalid variable name: '$ac_envvar'" ;;
     esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
@@ -1300,7 +1295,7 @@ do
   as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
-# There might be people who depend on the old broken behavior: `$host'
+# There might be people who depend on the old broken behavior: '$host'
 # used to hold the argument of --host etc.
 # FIXME: To remove some day.
 build=$build_alias
@@ -1368,7 +1363,7 @@ if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
   as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
 fi
-ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
+ac_msg="sources are in $srcdir, but 'cd $srcdir' does not work"
 ac_abs_confdir=`(
 	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
 	pwd)`
@@ -1396,7 +1391,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures AMG4PSBLAS 1.2.0 to adapt to many kinds of systems.
+'configure' configures AMG4PSBLAS 1.2.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1410,11 +1405,11 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking ...' messages
+  -q, --quiet, --silent   do not print 'checking ...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
-  -C, --config-cache      alias for \`--cache-file=config.cache'
+  -C, --config-cache      alias for '--cache-file=config.cache'
   -n, --no-create         do not create output files
-      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
+      --srcdir=DIR        find the sources in DIR [configure dir or '..']
 
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
@@ -1422,10 +1417,10 @@ Installation directories:
   --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
                           [PREFIX]
 
-By default, \`make install' will install all the files in
-\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
-an installation prefix other than \`$ac_default_prefix' using \`--prefix',
-for instance \`--prefix=\$HOME'.
+By default, 'make install' will install all the files in
+'$ac_default_prefix/bin', '$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than '$ac_default_prefix' using '--prefix',
+for instance '--prefix=\$HOME'.
 
 For better control, use the options below.
 
@@ -1572,7 +1567,7 @@ Some influential environment variables:
   MPIFC       MPI Fortran compiler command
   MPICXX      MPI C++ compiler command
 
-Use these variables to override the choices made by `configure' or to help
+Use these variables to override the choices made by 'configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
 Report bugs to <https://github.com/sfilippone/amg4psblas/issues>.
@@ -1640,9 +1635,9 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 AMG4PSBLAS configure 1.2.0
-generated by GNU Autoconf 2.71
+generated by GNU Autoconf 2.72
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1681,11 +1676,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        } && test -s conftest.$ac_objext
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1720,11 +1716,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        } && test -s conftest.$ac_objext
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1759,11 +1756,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        } && test -s conftest.$ac_objext
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1801,11 +1799,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        }
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
   # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
@@ -1828,15 +1827,15 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 /* Define $2 to an innocuous variant, in case <limits.h> declares $2.
    For example, HP-UX 11i <limits.h> declares gettimeofday.  */
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-   which can conflict with char $2 (); below.  */
+   which can conflict with char $2 (void); below.  */
 
 #include <limits.h>
 #undef $2
@@ -1847,7 +1846,7 @@ else $as_nop
 #ifdef __cplusplus
 extern "C"
 #endif
-char $2 ();
+char $2 (void);
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
@@ -1866,11 +1865,13 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   eval "$3=yes"
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
+    conftest$ac_exeext conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1910,11 +1911,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        }
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
   # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
@@ -1957,11 +1959,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        }
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
   # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
@@ -1984,15 +1987,15 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 /* Define $2 to an innocuous variant, in case <limits.h> declares $2.
    For example, HP-UX 11i <limits.h> declares gettimeofday.  */
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-   which can conflict with char $2 (); below.  */
+   which can conflict with char $2 (void); below.  */
 
 #include <limits.h>
 #undef $2
@@ -2003,7 +2006,7 @@ else $as_nop
 #ifdef __cplusplus
 extern "C"
 #endif
-char $2 ();
+char $2 (void);
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
@@ -2022,11 +2025,13 @@ _ACEOF
 if ac_fn_cxx_try_link "$LINENO"
 then :
   eval "$3=yes"
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
+    conftest$ac_exeext conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -2065,12 +2070,13 @@ printf "%s\n" "$ac_try_echo"; } >&5
   test $ac_status = 0; }; }
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: program exited with status $ac_status" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: program exited with status $ac_status" >&5
        printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_retval=$ac_status
+       ac_retval=$ac_status ;;
+esac
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
@@ -2123,18 +2129,19 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_hi=$ac_mid; break
-else $as_nop
-  as_fn_arith $ac_mid + 1 && ac_lo=$as_val
+else case e in #(
+  e) as_fn_arith $ac_mid + 1 && ac_lo=$as_val
 			if test $ac_lo -le $ac_mid; then
 			  ac_lo= ac_hi=
 			  break
 			fi
-			as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val
+			as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   done
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
@@ -2169,20 +2176,23 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_lo=$ac_mid; break
-else $as_nop
-  as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
+else case e in #(
+  e) as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
 			if test $ac_mid -le $ac_hi; then
 			  ac_lo= ac_hi=
 			  break
 			fi
-			as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val
+			as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   done
-else $as_nop
-  ac_lo= ac_hi=
+else case e in #(
+  e) ac_lo= ac_hi= ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 # Binary search between lo and hi bounds.
@@ -2205,8 +2215,9 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_hi=$ac_mid
-else $as_nop
-  as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val
+else case e in #(
+  e) as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 done
@@ -2254,8 +2265,9 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   echo >>conftest.val; read $3 <conftest.val; ac_retval=0
-else $as_nop
-  ac_retval=1
+else case e in #(
+  e) ac_retval=1 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
@@ -2279,8 +2291,8 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 #include <$2>
@@ -2288,10 +2300,12 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   eval "$3=yes"
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no" ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -2324,7 +2338,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by AMG4PSBLAS $as_me 1.2.0, which was
-generated by GNU Autoconf 2.71.  Invocation command line was
+generated by GNU Autoconf 2.72.  Invocation command line was
 
   $ $0$ac_configure_args_raw
 
@@ -2570,10 +2584,10 @@ esac
 printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file" \
-      || { { printf "%s\n" "$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: 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; }
+See 'config.log' for more details" "$LINENO" 5; }
   fi
 done
 
@@ -2609,9 +2623,7 @@ 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;
+static char *e (char **p, int i)
 {
   return p[i];
 }
@@ -2625,6 +2637,21 @@ static char *f (char * (*g) (char **, int), char **p, ...)
   return s;
 }
 
+/* C89 style stringification. */
+#define noexpand_stringify(a) #a
+const char *stringified = noexpand_stringify(arbitrary+token=sequence);
+
+/* C89 style token pasting.  Exercises some of the corner cases that
+   e.g. old MSVC gets wrong, but not very hard. */
+#define noexpand_concat(a,b) a##b
+#define expand_concat(a,b) noexpand_concat(a,b)
+extern int vA;
+extern int vbee;
+#define aye A
+#define bee B
+int *pvA = &expand_concat(v,aye);
+int *pvbee = &noexpand_concat(v,bee);
+
 /* 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
@@ -2652,16 +2679,19 @@ 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?
+/* Does the compiler advertise C99 conformance? */
 #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
 # error "Compiler does not advertise C99 conformance"
 #endif
 
+// See if C++-style comments work.
+
 #include <stdbool.h>
 extern int puts (const char *);
 extern int printf (const char *, ...);
 extern int dprintf (int, const char *, ...);
 extern void *malloc (size_t);
+extern void free (void *);
 
 // Check varargs macros.  These examples are taken from C99 6.10.3.5.
 // dprintf is used instead of fprintf to avoid needing to declare
@@ -2711,7 +2741,6 @@ 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)
@@ -2777,6 +2806,8 @@ ac_c_conftest_c99_main='
   ia->datasize = 10;
   for (int i = 0; i < ia->datasize; ++i)
     ia->data[i] = i * 1.234;
+  // Work around memory leak warnings.
+  free (ia);
 
   // Check named initializers.
   struct named_init ni = {
@@ -2798,7 +2829,7 @@ ac_c_conftest_c99_main='
 
 # Test code for whether the C compiler supports C11 (global declarations)
 ac_c_conftest_c11_globals='
-// Does the compiler advertise C11 conformance?
+/* Does the compiler advertise C11 conformance? */
 #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
 # error "Compiler does not advertise C11 conformance"
 #endif
@@ -3206,8 +3237,9 @@ 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
+else case e in #(
+  e) as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 ;;
+esac
 fi
 
 
@@ -3235,12 +3267,12 @@ 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,)
-      { 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;}
+      { 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)
-      { 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;}
+      { 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=: ;;
     ,);;
     *)
@@ -3249,18 +3281,18 @@ printf "%s\n" "$as_me: error: \`$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" != "$ac_new_val_w"; then
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' has changed since the previous run:" >&5
+printf "%s\n" "$as_me: error: '$ac_var' has changed since the previous run:" >&2;}
 	  ac_cache_corrupted=:
 	else
-	  { printf "%s\n" "$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 \`$ac_var' since the previous run:" >&2;}
+	  { printf "%s\n" "$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 $ac_var=\$ac_old_val
 	fi
-	{ printf "%s\n" "$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: \`$ac_new_val'" >&2;}
+	{ printf "%s\n" "$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: '$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
@@ -3276,11 +3308,11 @@ printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
   fi
 done
 if $ac_cache_corrupted; then
-  { printf "%s\n" "$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: 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'
+  as_fn_error $? "run '${MAKE-make} distclean' and/or 'rm $cache_file'
 	    and start over" "$LINENO" 5
 fi
 ## -------------------- ##
@@ -3336,8 +3368,9 @@ printf "%s\n" "$as_me:
 if test ${with_psblas+y}
 then :
   withval=$with_psblas; pac_cv_psblas_dir=$withval
-else $as_nop
-  pac_cv_psblas_dir=''
+else case e in #(
+  e) pac_cv_psblas_dir='' ;;
+esac
 fi
 
 
@@ -3345,8 +3378,9 @@ fi
 if test ${with_psblas_incdir+y}
 then :
   withval=$with_psblas_incdir; pac_cv_psblas_incdir=$withval
-else $as_nop
-  pac_cv_psblas_incdir=''
+else case e in #(
+  e) pac_cv_psblas_incdir='' ;;
+esac
 fi
 
 
@@ -3354,8 +3388,9 @@ fi
 if test ${with_psblas_moddir+y}
 then :
   withval=$with_psblas_moddir; pac_cv_psblas_moddir=$withval
-else $as_nop
-  pac_cv_psblas_moddir=''
+else case e in #(
+  e) pac_cv_psblas_moddir='' ;;
+esac
 fi
 
 
@@ -3363,8 +3398,9 @@ fi
 if test ${with_psblas_libdir+y}
 then :
   withval=$with_psblas_libdir; pac_cv_psblas_libdir=$withval
-else $as_nop
-  pac_cv_psblas_libdir=''
+else case e in #(
+  e) pac_cv_psblas_libdir='' ;;
+esac
 fi
 
 if test x"$pac_cv_psblas_incdir" == "x" ; then
@@ -3409,7 +3445,7 @@ fi
 
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Loaded $pac_cv_status_file $FC $MPIFC $BLACS_LIBS" >&5
 printf "%s\n" "$as_me: Loaded $pac_cv_status_file $FC $MPIFC $BLACS_LIBS" >&6;}
-am__api_version='1.16'
+am__api_version='1.17'
 
 
 
@@ -3433,8 +3469,8 @@ if test -z "$INSTALL"; then
 if test ${ac_cv_path_install+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else case e in #(
+  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
@@ -3488,7 +3524,8 @@ esac
 IFS=$as_save_IFS
 
 rm -rf conftest.one conftest.two conftest.dir
-
+ ;;
+esac
 fi
   if test ${ac_cv_path_install+y}; then
     INSTALL=$ac_cv_path_install
@@ -3511,6 +3548,165 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether sleep supports fractional seconds" >&5
+printf %s "checking whether sleep supports fractional seconds... " >&6; }
+if test ${am_cv_sleep_fractional_seconds+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) if sleep 0.001 2>/dev/null
+then :
+  am_cv_sleep_fractional_seconds=yes
+else case e in #(
+  e) am_cv_sleep_fractional_seconds=no ;;
+esac
+fi
+ ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_sleep_fractional_seconds" >&5
+printf "%s\n" "$am_cv_sleep_fractional_seconds" >&6; }
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking filesystem timestamp resolution" >&5
+printf %s "checking filesystem timestamp resolution... " >&6; }
+if test ${am_cv_filesystem_timestamp_resolution+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) # Default to the worst case.
+am_cv_filesystem_timestamp_resolution=2
+
+# Only try to go finer than 1 sec if sleep can do it.
+# Don't try 1 sec, because if 0.01 sec and 0.1 sec don't work,
+# - 1 sec is not much of a win compared to 2 sec, and
+# - it takes 2 seconds to perform the test whether 1 sec works.
+#
+# Instead, just use the default 2s on platforms that have 1s resolution,
+# accept the extra 1s delay when using $sleep in the Automake tests, in
+# exchange for not incurring the 2s delay for running the test for all
+# packages.
+#
+am_try_resolutions=
+if test "$am_cv_sleep_fractional_seconds" = yes; then
+  # Even a millisecond often causes a bunch of false positives,
+  # so just try a hundredth of a second. The time saved between .001 and
+  # .01 is not terribly consequential.
+  am_try_resolutions="0.01 0.1 $am_try_resolutions"
+fi
+
+# In order to catch current-generation FAT out, we must *modify* files
+# that already exist; the *creation* timestamp is finer.  Use names
+# that make ls -t sort them differently when they have equal
+# timestamps than when they have distinct timestamps, keeping
+# in mind that ls -t prints the *newest* file first.
+rm -f conftest.ts?
+: > conftest.ts1
+: > conftest.ts2
+: > conftest.ts3
+
+# Make sure ls -t actually works.  Do 'set' in a subshell so we don't
+# clobber the current shell's arguments. (Outer-level square brackets
+# are removed by m4; they're present so that m4 does not expand
+# <dollar><star>; be careful, easy to get confused.)
+if (
+     set X `ls -t conftest.ts[12]` &&
+     {
+       test "$*" != "X conftest.ts1 conftest.ts2" ||
+       test "$*" != "X conftest.ts2 conftest.ts1";
+     }
+); then :; else
+  # If neither matched, then we have a broken ls.  This can happen
+  # if, for instance, CONFIG_SHELL is bash and it inherits a
+  # broken ls alias from the environment.  This has actually
+  # happened.  Such a system could not be considered "sane".
+  printf "%s\n" ""Bad output from ls -t: \"`ls -t conftest.ts[12]`\""" >&5
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+as_fn_error $? "ls -t produces unexpected output.
+Make sure there is not a broken ls alias in your environment.
+See 'config.log' for more details" "$LINENO" 5; }
+fi
+
+for am_try_res in $am_try_resolutions; do
+  # Any one fine-grained sleep might happen to cross the boundary
+  # between two values of a coarser actual resolution, but if we do
+  # two fine-grained sleeps in a row, at least one of them will fall
+  # entirely within a coarse interval.
+  echo alpha > conftest.ts1
+  sleep $am_try_res
+  echo beta > conftest.ts2
+  sleep $am_try_res
+  echo gamma > conftest.ts3
+
+  # We assume that 'ls -t' will make use of high-resolution
+  # timestamps if the operating system supports them at all.
+  if (set X `ls -t conftest.ts?` &&
+      test "$2" = conftest.ts3 &&
+      test "$3" = conftest.ts2 &&
+      test "$4" = conftest.ts1); then
+    #
+    # Ok, ls -t worked. If we're at a resolution of 1 second, we're done,
+    # because we don't need to test make.
+    make_ok=true
+    if test $am_try_res != 1; then
+      # But if we've succeeded so far with a subsecond resolution, we
+      # have one more thing to check: make. It can happen that
+      # everything else supports the subsecond mtimes, but make doesn't;
+      # notably on macOS, which ships make 3.81 from 2006 (the last one
+      # released under GPLv2). https://bugs.gnu.org/68808
+      #
+      # We test $MAKE if it is defined in the environment, else "make".
+      # It might get overridden later, but our hope is that in practice
+      # it does not matter: it is the system "make" which is (by far)
+      # the most likely to be broken, whereas if the user overrides it,
+      # probably they did so with a better, or at least not worse, make.
+      # https://lists.gnu.org/archive/html/automake/2024-06/msg00051.html
+      #
+      # Create a Makefile (real tab character here):
+      rm -f conftest.mk
+      echo 'conftest.ts1: conftest.ts2' >conftest.mk
+      echo '	touch conftest.ts2' >>conftest.mk
+      #
+      # Now, running
+      #   touch conftest.ts1; touch conftest.ts2; make
+      # should touch ts1 because ts2 is newer. This could happen by luck,
+      # but most often, it will fail if make's support is insufficient. So
+      # test for several consecutive successes.
+      #
+      # (We reuse conftest.ts[12] because we still want to modify existing
+      # files, not create new ones, per above.)
+      n=0
+      make=${MAKE-make}
+      until test $n -eq 3; do
+        echo one > conftest.ts1
+        sleep $am_try_res
+        echo two > conftest.ts2 # ts2 should now be newer than ts1
+        if $make -f conftest.mk | grep 'up to date' >/dev/null; then
+          make_ok=false
+          break # out of $n loop
+        fi
+        n=`expr $n + 1`
+      done
+    fi
+    #
+    if $make_ok; then
+      # Everything we know to check worked out, so call this resolution good.
+      am_cv_filesystem_timestamp_resolution=$am_try_res
+      break # out of $am_try_res loop
+    fi
+    # Otherwise, we'll go on to check the next resolution.
+  fi
+done
+rm -f conftest.ts?
+# (end _am_filesystem_timestamp_resolution)
+ ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_filesystem_timestamp_resolution" >&5
+printf "%s\n" "$am_cv_filesystem_timestamp_resolution" >&6; }
+
+# This check should not be cached, as it may vary across builds of
+# different projects.
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
 printf %s "checking whether build environment is sane... " >&6; }
 # Reject unsafe characters in $srcdir or the absolute working directory
@@ -3531,49 +3727,45 @@ esac
 # symlink; some systems play weird games with the mod time of symlinks
 # (eg FreeBSD returns the mod time of the symlink's containing
 # directory).
-if (
-   am_has_slept=no
-   for am_try in 1 2; do
-     echo "timestamp, slept: $am_has_slept" > conftest.file
-     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
-     if test "$*" = "X"; then
-	# -L didn't work.
-	set X `ls -t "$srcdir/configure" conftest.file`
-     fi
-     if test "$*" != "X $srcdir/configure conftest.file" \
-	&& test "$*" != "X conftest.file $srcdir/configure"; then
-
-	# If neither matched, then we have a broken ls.  This can happen
-	# if, for instance, CONFIG_SHELL is bash and it inherits a
-	# broken ls alias from the environment.  This has actually
-	# happened.  Such a system could not be considered "sane".
-	as_fn_error $? "ls -t appears to fail.  Make sure there is not a broken
-  alias in your environment" "$LINENO" 5
-     fi
-     if test "$2" = conftest.file || test $am_try -eq 2; then
-       break
-     fi
-     # Just in case.
-     sleep 1
-     am_has_slept=yes
-   done
-   test "$2" = conftest.file
-   )
-then
-   # Ok.
-   :
-else
-   as_fn_error $? "newly created file is older than distributed files!
+am_build_env_is_sane=no
+am_has_slept=no
+rm -f conftest.file
+for am_try in 1 2; do
+  echo "timestamp, slept: $am_has_slept" > conftest.file
+  if (
+    set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+    if test "$*" = "X"; then
+      # -L didn't work.
+      set X `ls -t "$srcdir/configure" conftest.file`
+    fi
+    test "$2" = conftest.file
+  ); then
+    am_build_env_is_sane=yes
+    break
+  fi
+  # Just in case.
+  sleep "$am_cv_filesystem_timestamp_resolution"
+  am_has_slept=yes
+done
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_build_env_is_sane" >&5
+printf "%s\n" "$am_build_env_is_sane" >&6; }
+if test "$am_build_env_is_sane" = no; then
+  as_fn_error $? "newly created file is older than distributed files!
 Check your system clock" "$LINENO" 5
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+
 # If we didn't sleep, we still need to ensure time stamps of config.status and
 # generated files are strictly newer.
 am_sleep_pid=
-if grep 'slept: no' conftest.file >/dev/null 2>&1; then
-  ( sleep 1 ) &
+if test -e conftest.file || grep 'slept: no' conftest.file >/dev/null 2>&1
+then :
+
+else case e in #(
+  e)   ( sleep "$am_cv_filesystem_timestamp_resolution" ) &
   am_sleep_pid=$!
+ ;;
+esac
 fi
 
 rm -f conftest.file
@@ -3584,7 +3776,7 @@ test "$program_prefix" != NONE &&
 test "$program_suffix" != NONE &&
   program_transform_name="s&\$&$program_suffix&;$program_transform_name"
 # Double any \ or $.
-# By default was `s,x,x', remove it if useless.
+# By default was 's,x,x', remove it if useless.
 ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
 program_transform_name=`printf "%s\n" "$program_transform_name" | sed "$ac_script"`
 
@@ -3627,8 +3819,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$STRIP"; then
+else case e in #(
+  e) if test -n "$STRIP"; then
   ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3650,7 +3842,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 STRIP=$ac_cv_prog_STRIP
 if test -n "$STRIP"; then
@@ -3672,8 +3865,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_STRIP"; then
+else case e in #(
+  e) if test -n "$ac_ct_STRIP"; then
   ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3695,7 +3888,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
 if test -n "$ac_ct_STRIP"; then
@@ -3731,8 +3925,8 @@ if test -z "$MKDIR_P"; then
   if test ${ac_cv_path_mkdir+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else case e in #(
+  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
 do
   IFS=$as_save_IFS
@@ -3746,7 +3940,7 @@ do
 	   as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext" || continue
 	   case `"$as_dir$ac_prog$ac_exec_ext" --version 2>&1` in #(
 	     'mkdir ('*'coreutils) '* | \
-	     'BusyBox '* | \
+	     *'BusyBox '* | \
 	     'mkdir (fileutils) '4.1*)
 	       ac_cv_path_mkdir=$as_dir$ac_prog$ac_exec_ext
 	       break 3;;
@@ -3755,18 +3949,17 @@ do
        done
   done
 IFS=$as_save_IFS
-
+ ;;
+esac
 fi
 
   test -d ./--version && rmdir ./--version
   if test ${ac_cv_path_mkdir+y}; then
     MKDIR_P="$ac_cv_path_mkdir -p"
   else
-    # As a last resort, use the slow shell script.  Don't cache a
-    # value for MKDIR_P within a source directory, because that will
-    # break other packages using the cache if that directory is
-    # removed, or if the value is a relative name.
-    MKDIR_P="$ac_install_sh -d"
+    # As a last resort, use plain mkdir -p,
+    # in the hope it doesn't have the bugs of ancient mkdir.
+    MKDIR_P='mkdir -p'
   fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
@@ -3781,8 +3974,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_AWK+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$AWK"; then
+else case e in #(
+  e) if test -n "$AWK"; then
   ac_cv_prog_AWK="$AWK" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3804,7 +3997,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
@@ -3826,8 +4020,8 @@ 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 $as_nop
-  cat >conftest.make <<\_ACEOF
+else case e in #(
+  e) cat >conftest.make <<\_ACEOF
 SHELL = /bin/sh
 all:
 	@echo '@@@%%%=$(MAKE)=@@@%%%'
@@ -3839,7 +4033,8 @@ case `${MAKE-make} -f conftest.make 2>/dev/null` in
   *)
     eval ac_cv_prog_make_${ac_make}_set=no;;
 esac
-rm -f conftest.make
+rm -f conftest.make ;;
+esac
 fi
 if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
@@ -3860,25 +4055,21 @@ else
 fi
 rmdir .tst 2>/dev/null
 
+AM_DEFAULT_VERBOSITY=1
 # Check whether --enable-silent-rules was given.
 if test ${enable_silent_rules+y}
 then :
   enableval=$enable_silent_rules;
 fi
 
-case $enable_silent_rules in # (((
-  yes) AM_DEFAULT_VERBOSITY=0;;
-   no) AM_DEFAULT_VERBOSITY=1;;
-    *) AM_DEFAULT_VERBOSITY=1;;
-esac
 am_make=${MAKE-make}
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
 printf %s "checking whether $am_make supports nested variables... " >&6; }
 if test ${am_cv_make_support_nested_variables+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if printf "%s\n" 'TRUE=$(BAR$(V))
+else case e in #(
+  e) if printf "%s\n" 'TRUE=$(BAR$(V))
 BAR0=false
 BAR1=true
 V=1
@@ -3888,19 +4079,50 @@ am__doit:
   am_cv_make_support_nested_variables=yes
 else
   am_cv_make_support_nested_variables=no
-fi
+fi ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
 printf "%s\n" "$am_cv_make_support_nested_variables" >&6; }
-if test $am_cv_make_support_nested_variables = yes; then
-    AM_V='$(V)'
-  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
-else
-  AM_V=$AM_DEFAULT_VERBOSITY
-  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
-fi
 AM_BACKSLASH='\'
 
+am__rm_f_notfound=
+if (rm -f && rm -fr && rm -rf) 2>/dev/null
+then :
+
+else case e in #(
+  e) am__rm_f_notfound='""' ;;
+esac
+fi
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking xargs -n works" >&5
+printf %s "checking xargs -n works... " >&6; }
+if test ${am_cv_xargs_n_works+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) if test "`echo 1 2 3 | xargs -n2 echo`" = "1 2
+3"
+then :
+  am_cv_xargs_n_works=yes
+else case e in #(
+  e) am_cv_xargs_n_works=no ;;
+esac
+fi ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_xargs_n_works" >&5
+printf "%s\n" "$am_cv_xargs_n_works" >&6; }
+if test "$am_cv_xargs_n_works" = yes
+then :
+  am__xargs_n='xargs -n'
+else case e in #(
+  e)   am__xargs_n='am__xargs_n () { shift; sed "s/ /\\n/g" | while read am__xargs_n_arg; do "" "$am__xargs_n_arg"; done; }'
+ ;;
+esac
+fi
+
 if test "`cd $srcdir && pwd`" != "`pwd`"; then
   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
   # is not polluted with repeated "-I."
@@ -3984,47 +4206,9 @@ fi
 
 
 
-# POSIX will say in a future version that running "rm -f" with no argument
-# is OK; and we want to be able to make that assumption in our Makefile
-# recipes.  So use an aggressive probe to check that the usage we want is
-# actually supported "in the wild" to an acceptable degree.
-# See automake bug#10828.
-# To make any issue more visible, cause the running configure to be aborted
-# by default if the 'rm' program in use doesn't match our expectations; the
-# user can still override this though.
-if rm -f && rm -fr && rm -rf; then : OK; else
-  cat >&2 <<'END'
-Oops!
-
-Your 'rm' program seems unable to run without file operands specified
-on the command line, even when the '-f' option is present.  This is contrary
-to the behaviour of most rm programs out there, and not conforming with
-the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
-
-Please tell bug-automake@gnu.org about your system, including the value
-of your $PATH and any error possibly output before this message.  This
-can help us improve future automake versions.
-
-END
-  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
-    echo 'Configuration will proceed anyway, since you have set the' >&2
-    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
-    echo >&2
-  else
-    cat >&2 <<'END'
-Aborting the configuration process, to ensure you take notice of the issue.
 
-You can download and install GNU coreutils to get an 'rm' implementation
-that behaves properly: <https://www.gnu.org/software/coreutils/>.
 
-If you want to complete the configuration process using your problematic
-'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
-to "yes", and re-run configure.
 
-END
-    as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5
-  fi
-fi
 
 
 #
@@ -4075,8 +4259,8 @@ 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
+else case e in #(
+  e) if test -n "$FC"; then
   ac_cv_prog_FC="$FC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4098,7 +4282,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 FC=$ac_cv_prog_FC
 if test -n "$FC"; then
@@ -4124,8 +4309,8 @@ 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
+else case e in #(
+  e) if test -n "$ac_ct_FC"; then
   ac_cv_prog_ac_ct_FC="$ac_ct_FC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4147,7 +4332,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_FC=$ac_cv_prog_ac_ct_FC
 if test -n "$ac_ct_FC"; then
@@ -4241,8 +4427,8 @@ printf "%s\n" "$ac_try_echo"; } >&5
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
-  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
-# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+  # Autoconf-2.13 could set the ac_cv_exeext variable to 'no'.
+# So ignore a value of 'no', otherwise this would lead to 'EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
 # so that the user can short-circuit this test for compilers unknown to
 # Autoconf.
@@ -4262,7 +4448,7 @@ do
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
 	# We set ac_cv_exeext here because the later test for it is not
-	# safe: cross compilers may not add the suffix if given an `-o'
+	# safe: cross compilers may not add the suffix if given an '-o'
 	# argument, so we may need to know it at that point already.
 	# Even if this section looks crufty: it has the advantage of
 	# actually working.
@@ -4273,8 +4459,9 @@ do
 done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
-else $as_nop
-  ac_file=''
+else case e in #(
+  e) ac_file='' ;;
+esac
 fi
 if test -z "$ac_file"
 then :
@@ -4283,13 +4470,14 @@ printf "%s\n" "no" >&6; }
 printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&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-$LINENO}: error: in '$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 $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; } ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Fortran compiler default output file name" >&5
 printf %s "checking for Fortran compiler default output file name... " >&6; }
@@ -4313,10 +4501,10 @@ printf "%s\n" "$ac_try_echo"; } >&5
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
-  # If both `conftest.exe' and `conftest' are `present' (well, observable)
-# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
-# work properly (i.e., refer to `conftest.exe'), while it won't with
-# `rm'.
+  # If both 'conftest.exe' and 'conftest' are 'present' (well, observable)
+# catch 'conftest.exe'.  For instance with Cygwin, 'ls conftest' will
+# work properly (i.e., refer to 'conftest.exe'), while it won't with
+# 'rm'.
 for ac_file in conftest.exe conftest conftest.*; do
   test -f "$ac_file" || continue
   case $ac_file in
@@ -4326,11 +4514,12 @@ for ac_file in conftest.exe conftest conftest.*; do
     * ) break;;
   esac
 done
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else case e in #(
+  e) { { printf "%s\n" "$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; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
 rm -f conftest conftest$ac_cv_exeext
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -4379,26 +4568,27 @@ printf "%s\n" "$ac_try_echo"; } >&5
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { printf "%s\n" "$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: 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; }
+If you meant to cross compile, use '--host'.
+See 'config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
 { printf "%s\n" "$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
+rm -f conftest.$ac_ext conftest$ac_cv_exeext \
+  conftest.o conftest.obj conftest.out
 ac_clean_files=$ac_clean_files_save
 { printf "%s\n" "$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
+else case e in #(
+  e) cat > conftest.$ac_ext <<_ACEOF
       program main
 
       end
@@ -4424,22 +4614,24 @@ then :
        break;;
   esac
 done
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&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-$LINENO}: error: in '$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; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
-rm -f conftest.$ac_cv_objext conftest.$ac_ext
+rm -f conftest.$ac_cv_objext conftest.$ac_ext ;;
+esac
 fi
 { printf "%s\n" "$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
+# 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
@@ -4448,8 +4640,8 @@ 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
+else case e in #(
+  e) cat > conftest.$ac_ext <<_ACEOF
       program main
 #ifndef __GNUC__
        choke me
@@ -4460,12 +4652,14 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else $as_nop
-  ac_compiler_gnu=no
+else case e in #(
+  e) ac_compiler_gnu=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_fc_compiler_gnu=$ac_compiler_gnu
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_fc_compiler_gnu" >&5
 printf "%s\n" "$ac_cv_fc_compiler_gnu" >&6; }
@@ -4480,8 +4674,8 @@ printf %s "checking whether $FC accepts -g... " >&6; }
 if test ${ac_cv_prog_fc_g+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  FCFLAGS=-g
+else case e in #(
+  e) FCFLAGS=-g
 cat > conftest.$ac_ext <<_ACEOF
       program main
 
@@ -4490,11 +4684,13 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   ac_cv_prog_fc_g=yes
-else $as_nop
-  ac_cv_prog_fc_g=no
+else case e in #(
+  e) ac_cv_prog_fc_g=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_fc_g" >&5
 printf "%s\n" "$ac_cv_prog_fc_g" >&6; }
@@ -4551,8 +4747,8 @@ 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
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4574,7 +4770,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -4600,8 +4797,8 @@ 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
+else case e in #(
+  e) if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4623,7 +4820,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -4652,10 +4850,10 @@ esac
 fi
 
 
-test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+test -z "$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; }
+See 'config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
 printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -4687,8 +4885,8 @@ 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
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4705,12 +4903,14 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else $as_nop
-  ac_compiler_gnu=no
+else case e in #(
+  e) ac_compiler_gnu=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
 printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
@@ -4728,8 +4928,8 @@ 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
+else case e in #(
+  e) ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
@@ -4747,8 +4947,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
-else $as_nop
-  CFLAGS=""
+else case e in #(
+  e) CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -4763,8 +4963,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-else $as_nop
-  ac_c_werror_flag=$ac_save_c_werror_flag
+else case e in #(
+  e) ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4781,12 +4981,15 @@ if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ac_c_werror_flag=$ac_save_c_werror_flag
+   ac_c_werror_flag=$ac_save_c_werror_flag ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
 printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
@@ -4813,8 +5016,8 @@ 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 $as_nop
-  ac_cv_prog_cc_c11=no
+else case e in #(
+  e) ac_cv_prog_cc_c11=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4831,25 +5034,28 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c11" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 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
+else case e in #(
+  e) 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: $ac_cv_prog_cc_c11" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
 printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
-     CC="$CC $ac_cv_prog_cc_c11"
+     CC="$CC $ac_cv_prog_cc_c11" ;;
+esac
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
-  ac_prog_cc_stdc=c11
+  ac_prog_cc_stdc=c11 ;;
+esac
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -4859,8 +5065,8 @@ 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 $as_nop
-  ac_cv_prog_cc_c99=no
+else case e in #(
+  e) ac_cv_prog_cc_c99=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4877,25 +5083,28 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c99" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 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
+else case e in #(
+  e) 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: $ac_cv_prog_cc_c99" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
 printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
-     CC="$CC $ac_cv_prog_cc_c99"
+     CC="$CC $ac_cv_prog_cc_c99" ;;
+esac
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
-  ac_prog_cc_stdc=c99
+  ac_prog_cc_stdc=c99 ;;
+esac
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -4905,8 +5114,8 @@ 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 $as_nop
-  ac_cv_prog_cc_c89=no
+else case e in #(
+  e) ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4923,25 +5132,28 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cc_c89" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c89" = x
+else case e in #(
+  e) 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: $ac_cv_prog_cc_c89" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
 printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
-     CC="$CC $ac_cv_prog_cc_c89"
+     CC="$CC $ac_cv_prog_cc_c89" ;;
+esac
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
-  ac_prog_cc_stdc=c89
+  ac_prog_cc_stdc=c89 ;;
+esac
 fi
 fi
 
@@ -4962,8 +5174,8 @@ printf %s "checking whether $CC understands -c and -o together... " >&6; }
 if test ${am_cv_prog_cc_c_o+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4993,7 +5205,8 @@ _ACEOF
     fi
   done
   rm -f core conftest*
-  unset am_i
+  unset am_i ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
 printf "%s\n" "$am_cv_prog_cc_c_o" >&6; }
@@ -5083,8 +5296,8 @@ printf %s "checking dependency style of $depcc... " >&6; }
 if test ${am_cv_CC_dependencies_compiler_type+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+else case e in #(
+  e) if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
@@ -5171,7 +5384,7 @@ else $as_nop
       # icc doesn't choke on unknown options, it will just issue warnings
       # or remarks (even with -Werror).  So we grep stderr for any message
       # that says an option was ignored or not supported.
-      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      # When given -MP, icc 7.0 and 7.1 complain thus:
       #   icc: Command line warning: ignoring option '-M'; no argument required
       # The diagnosis changed in icc 8.0:
       #   icc: Command line remark: option '-MP' not supported
@@ -5188,7 +5401,8 @@ else $as_nop
 else
   am_cv_CC_dependencies_compiler_type=none
 fi
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
 printf "%s\n" "$am_cv_CC_dependencies_compiler_type" >&6; }
@@ -5237,8 +5451,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CXX"; then
+else case e in #(
+  e) if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5260,7 +5474,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
@@ -5286,8 +5501,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CXX"; then
+else case e in #(
+  e) if test -n "$ac_ct_CXX"; then
   ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5309,7 +5524,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
@@ -5369,8 +5585,8 @@ printf %s "checking whether the compiler supports GNU C++... " >&6; }
 if test ${ac_cv_cxx_compiler_gnu+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -5387,12 +5603,14 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else $as_nop
-  ac_compiler_gnu=no
+else case e in #(
+  e) ac_compiler_gnu=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
 printf "%s\n" "$ac_cv_cxx_compiler_gnu" >&6; }
@@ -5410,8 +5628,8 @@ printf %s "checking whether $CXX accepts -g... " >&6; }
 if test ${ac_cv_prog_cxx_g+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+else case e in #(
+  e) ac_save_cxx_werror_flag=$ac_cxx_werror_flag
    ac_cxx_werror_flag=yes
    ac_cv_prog_cxx_g=no
    CXXFLAGS="-g"
@@ -5429,8 +5647,8 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_prog_cxx_g=yes
-else $as_nop
-  CXXFLAGS=""
+else case e in #(
+  e) CXXFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -5445,8 +5663,8 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
 
-else $as_nop
-  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+else case e in #(
+  e) ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 	 CXXFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -5463,12 +5681,15 @@ if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_prog_cxx_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+   ac_cxx_werror_flag=$ac_save_cxx_werror_flag ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
 printf "%s\n" "$ac_cv_prog_cxx_g" >&6; }
@@ -5495,8 +5716,8 @@ printf %s "checking for $CXX option to enable C++11 features... " >&6; }
 if test ${ac_cv_prog_cxx_cxx11+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cxx_cxx11=no
+else case e in #(
+  e) ac_cv_prog_cxx_cxx11=no
 ac_save_CXX=$CXX
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -5513,25 +5734,28 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cxx_cxx11" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CXX=$ac_save_CXX
+CXX=$ac_save_CXX ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cxx_cxx11" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cxx_cxx11" = x
+else case e in #(
+  e) if test "x$ac_cv_prog_cxx_cxx11" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
 printf "%s\n" "$ac_cv_prog_cxx_cxx11" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx11"
+     CXX="$CXX $ac_cv_prog_cxx_cxx11" ;;
+esac
 fi
   ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx11
-  ac_prog_cxx_stdcxx=cxx11
+  ac_prog_cxx_stdcxx=cxx11 ;;
+esac
 fi
 fi
 if test x$ac_prog_cxx_stdcxx = xno
@@ -5541,8 +5765,8 @@ printf %s "checking for $CXX option to enable C++98 features... " >&6; }
 if test ${ac_cv_prog_cxx_cxx98+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cxx_cxx98=no
+else case e in #(
+  e) ac_cv_prog_cxx_cxx98=no
 ac_save_CXX=$CXX
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -5559,25 +5783,28 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cxx_cxx98" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CXX=$ac_save_CXX
+CXX=$ac_save_CXX ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cxx_cxx98" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cxx_cxx98" = x
+else case e in #(
+  e) if test "x$ac_cv_prog_cxx_cxx98" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
 printf "%s\n" "$ac_cv_prog_cxx_cxx98" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx98"
+     CXX="$CXX $ac_cv_prog_cxx_cxx98" ;;
+esac
 fi
   ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx98
-  ac_prog_cxx_stdcxx=cxx98
+  ac_prog_cxx_stdcxx=cxx98 ;;
+esac
 fi
 fi
 
@@ -5594,8 +5821,8 @@ printf %s "checking dependency style of $depcc... " >&6; }
 if test ${am_cv_CXX_dependencies_compiler_type+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+else case e in #(
+  e) if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
@@ -5682,7 +5909,7 @@ else $as_nop
       # icc doesn't choke on unknown options, it will just issue warnings
       # or remarks (even with -Werror).  So we grep stderr for any message
       # that says an option was ignored or not supported.
-      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      # When given -MP, icc 7.0 and 7.1 complain thus:
       #   icc: Command line warning: ignoring option '-M'; no argument required
       # The diagnosis changed in icc 8.0:
       #   icc: Command line remark: option '-MP' not supported
@@ -5699,7 +5926,8 @@ else $as_nop
 else
   am_cv_CXX_dependencies_compiler_type=none
 fi
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CXX_dependencies_compiler_type" >&5
 printf "%s\n" "$am_cv_CXX_dependencies_compiler_type" >&6; }
@@ -5797,8 +6025,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_MPICC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$MPICC"; then
+else case e in #(
+  e) if test -n "$MPICC"; then
   ac_cv_prog_MPICC="$MPICC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5820,7 +6048,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 MPICC=$ac_cv_prog_MPICC
 if test -n "$MPICC"; then
@@ -5851,8 +6080,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_MPICC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$MPICC"; then
+else case e in #(
+  e) if test -n "$MPICC"; then
   ac_cv_prog_MPICC="$MPICC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5874,7 +6103,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 MPICC=$ac_cv_prog_MPICC
 if test -n "$MPICC"; then
@@ -5910,16 +6140,22 @@ printf %s "checking for MPI_Init in -lmpi... " >&6; }
 if test ${ac_cv_lib_mpi_MPI_Init+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmpi  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* 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.  */
-char MPI_Init ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char MPI_Init (void);
 int
 main (void)
 {
@@ -5931,12 +6167,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_mpi_MPI_Init=yes
-else $as_nop
-  ac_cv_lib_mpi_MPI_Init=no
+else case e in #(
+  e) ac_cv_lib_mpi_MPI_Init=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpi_MPI_Init" >&5
 printf "%s\n" "$ac_cv_lib_mpi_MPI_Init" >&6; }
@@ -5952,16 +6190,22 @@ printf %s "checking for MPI_Init in -lmpich... " >&6; }
 if test ${ac_cv_lib_mpich_MPI_Init+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmpich  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* 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.  */
-char MPI_Init ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char MPI_Init (void);
 int
 main (void)
 {
@@ -5973,12 +6217,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_mpich_MPI_Init=yes
-else $as_nop
-  ac_cv_lib_mpich_MPI_Init=no
+else case e in #(
+  e) ac_cv_lib_mpich_MPI_Init=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpich_MPI_Init" >&5
 printf "%s\n" "$ac_cv_lib_mpich_MPI_Init" >&6; }
@@ -6007,10 +6253,11 @@ if ac_fn_c_try_compile "$LINENO"
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
-else $as_nop
-  MPILIBS=""
+else case e in #(
+  e) MPILIBS=""
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+printf "%s\n" "no" >&6; } ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
@@ -6049,8 +6296,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_MPIFC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$MPIFC"; then
+else case e in #(
+  e) if test -n "$MPIFC"; then
   ac_cv_prog_MPIFC="$MPIFC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6072,7 +6319,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 MPIFC=$ac_cv_prog_MPIFC
 if test -n "$MPIFC"; then
@@ -6104,8 +6352,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_MPIFC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$MPIFC"; then
+else case e in #(
+  e) if test -n "$MPIFC"; then
   ac_cv_prog_MPIFC="$MPIFC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6127,7 +6375,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 MPIFC=$ac_cv_prog_MPIFC
 if test -n "$MPIFC"; then
@@ -6161,9 +6410,10 @@ then :
   MPILIBS=" "
 				{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; } ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -6175,8 +6425,8 @@ printf %s "checking for MPI_Init in -lfmpi... " >&6; }
 if test ${ac_cv_lib_fmpi_MPI_Init+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lfmpi  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -6186,12 +6436,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_fmpi_MPI_Init=yes
-else $as_nop
-  ac_cv_lib_fmpi_MPI_Init=no
+else case e in #(
+  e) ac_cv_lib_fmpi_MPI_Init=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fmpi_MPI_Init" >&5
 printf "%s\n" "$ac_cv_lib_fmpi_MPI_Init" >&6; }
@@ -6207,8 +6459,8 @@ printf %s "checking for MPI_Init in -lmpichf90... " >&6; }
 if test ${ac_cv_lib_mpichf90_MPI_Init+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmpichf90  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -6218,12 +6470,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_mpichf90_MPI_Init=yes
-else $as_nop
-  ac_cv_lib_mpichf90_MPI_Init=no
+else case e in #(
+  e) ac_cv_lib_mpichf90_MPI_Init=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpichf90_MPI_Init" >&5
 printf "%s\n" "$ac_cv_lib_mpichf90_MPI_Init" >&6; }
@@ -6240,8 +6494,8 @@ printf %s "checking for MPI_Init in -lmpi... " >&6; }
 if test ${ac_cv_lib_mpi_MPI_Init+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmpi  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -6251,12 +6505,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_mpi_MPI_Init=yes
-else $as_nop
-  ac_cv_lib_mpi_MPI_Init=no
+else case e in #(
+  e) ac_cv_lib_mpi_MPI_Init=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpi_MPI_Init" >&5
 printf "%s\n" "$ac_cv_lib_mpi_MPI_Init" >&6; }
@@ -6272,8 +6528,8 @@ printf %s "checking for MPI_Init in -lmpich... " >&6; }
 if test ${ac_cv_lib_mpich_MPI_Init+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmpich  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -6283,12 +6539,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_mpich_MPI_Init=yes
-else $as_nop
-  ac_cv_lib_mpich_MPI_Init=no
+else case e in #(
+  e) ac_cv_lib_mpich_MPI_Init=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpich_MPI_Init" >&5
 printf "%s\n" "$ac_cv_lib_mpich_MPI_Init" >&6; }
@@ -6311,10 +6569,11 @@ if ac_fn_fc_try_compile "$LINENO"
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
-else $as_nop
-  MPILIBS=""
+else case e in #(
+  e) MPILIBS=""
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+printf "%s\n" "no" >&6; } ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
@@ -6351,8 +6610,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_MPICXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$MPICXX"; then
+else case e in #(
+  e) if test -n "$MPICXX"; then
   ac_cv_prog_MPICXX="$MPICXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6374,7 +6633,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 MPICXX=$ac_cv_prog_MPICXX
 if test -n "$MPICXX"; then
@@ -6405,8 +6665,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_MPICXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$MPICXX"; then
+else case e in #(
+  e) if test -n "$MPICXX"; then
   ac_cv_prog_MPICXX="$MPICXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6428,7 +6688,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 MPICXX=$ac_cv_prog_MPICXX
 if test -n "$MPICXX"; then
@@ -6464,8 +6725,8 @@ printf %s "checking for MPI_Init in -lmpi... " >&6; }
 if test ${ac_cv_lib_mpi_MPI_Init+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmpi  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6484,12 +6745,14 @@ _ACEOF
 if ac_fn_cxx_try_link "$LINENO"
 then :
   ac_cv_lib_mpi_MPI_Init=yes
-else $as_nop
-  ac_cv_lib_mpi_MPI_Init=no
+else case e in #(
+  e) ac_cv_lib_mpi_MPI_Init=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpi_MPI_Init" >&5
 printf "%s\n" "$ac_cv_lib_mpi_MPI_Init" >&6; }
@@ -6505,8 +6768,8 @@ printf %s "checking for MPI_Init in -lmpich... " >&6; }
 if test ${ac_cv_lib_mpich_MPI_Init+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmpich  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6525,12 +6788,14 @@ _ACEOF
 if ac_fn_cxx_try_link "$LINENO"
 then :
   ac_cv_lib_mpich_MPI_Init=yes
-else $as_nop
-  ac_cv_lib_mpich_MPI_Init=no
+else case e in #(
+  e) ac_cv_lib_mpich_MPI_Init=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpich_MPI_Init" >&5
 printf "%s\n" "$ac_cv_lib_mpich_MPI_Init" >&6; }
@@ -6559,10 +6824,11 @@ if ac_fn_cxx_try_compile "$LINENO"
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
-else $as_nop
-  MPILIBS=""
+else case e in #(
+  e) MPILIBS=""
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+printf "%s\n" "no" >&6; } ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
@@ -6629,10 +6895,11 @@ CCOPT="${withval} ${CCOPT}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: CCOPT = ${CCOPT}" >&5
 printf "%s\n" "CCOPT = ${CCOPT}" >&6; }
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+ ;;
+esac
 fi
 
 
@@ -6648,10 +6915,11 @@ CXXOPT="${withval} ${CXXOPT}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: CXXOPT = ${CXXOPT}" >&5
 printf "%s\n" "CXXOPT = ${CXXOPT}" >&6; }
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+ ;;
+esac
 fi
 
 
@@ -6667,10 +6935,11 @@ FCOPT="${withval} ${FCOPT}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: FCOPT = ${FCOPT}" >&5
 printf "%s\n" "FCOPT = ${FCOPT}" >&6; }
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+ ;;
+esac
 fi
 
 
@@ -6686,10 +6955,11 @@ LIBS="${withval} ${LIBS}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: LIBS = ${LIBS}" >&5
 printf "%s\n" "LIBS = ${LIBS}" >&6; }
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+ ;;
+esac
 fi
 
 
@@ -6706,10 +6976,11 @@ CLIBS="${withval} ${CLIBS}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: CLIBS = ${CLIBS}" >&5
 printf "%s\n" "CLIBS = ${CLIBS}" >&6; }
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+ ;;
+esac
 fi
 
 
@@ -6725,10 +6996,11 @@ FLIBS="${withval} ${FLIBS}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: FLIBS = ${FLIBS}" >&5
 printf "%s\n" "FLIBS = ${FLIBS}" >&6; }
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+ ;;
+esac
 fi
 
 
@@ -6744,10 +7016,11 @@ CXXLIBS="${withval} ${CXXLIBS}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: CXXLIBS = ${CXXLIBS}" >&5
 printf "%s\n" "CXXLIBS = ${CXXLIBS}" >&6; }
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+ ;;
+esac
 fi
 
 
@@ -6764,10 +7037,11 @@ LIBRARYPATH="${withval} ${LIBRARYPATH}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: LIBRARYPATH = ${LIBRARYPATH}" >&5
 printf "%s\n" "LIBRARYPATH = ${LIBRARYPATH}" >&6; }
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+ ;;
+esac
 fi
 
 
@@ -6783,10 +7057,11 @@ INCLUDEPATH="${withval} ${INCLUDEPATH}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: INCLUDEPATH = ${INCLUDEPATH}" >&5
 printf "%s\n" "INCLUDEPATH = ${INCLUDEPATH}" >&6; }
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+ ;;
+esac
 fi
 
 
@@ -6802,10 +7077,11 @@ MODULE_PATH="${withval} ${MODULE_PATH}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: MODULE_PATH = ${MODULE_PATH}" >&5
 printf "%s\n" "MODULE_PATH = ${MODULE_PATH}" >&6; }
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+ ;;
+esac
 fi
 
 
@@ -6823,10 +7099,11 @@ EXTRA_LIBS="${withval}"
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: EXTRA_LIBS = ${EXTRA_LIBS}" >&5
 printf "%s\n" "EXTRA_LIBS = ${EXTRA_LIBS}" >&6; }
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+ ;;
+esac
 fi
 
 
@@ -6884,12 +7161,13 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		      psblas_cv_fc="gcc"
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
-
+		      ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -6925,12 +7203,13 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		      psblas_cv_fc="cray"
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
-
+		      ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -7002,15 +7281,16 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Sorry, we require GNU Fortran version 4.8.4 or later." >&5
 printf "%s\n" "$as_me: Sorry, we require GNU Fortran version 4.8.4 or later." >&6;}
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Bailing out." "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -7065,28 +7345,30 @@ printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
 fi
 # The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# declarations like 'int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
 printf %s "checking size of void *... " >&6; }
 if test ${ac_cv_sizeof_void_p+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p"        "$ac_includes_default"
+else case e in #(
+  e) if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p"        "$ac_includes_default"
 then :
 
-else $as_nop
-  if test "$ac_cv_type_void_p" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else case e in #(
+  e) if test "$ac_cv_type_void_p" = yes; then
+     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (void *)
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_void_p=0
-   fi
+   fi ;;
+esac
 fi
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5
 printf "%s\n" "$ac_cv_sizeof_void_p" >&6; }
@@ -7110,8 +7392,8 @@ printf %s "checking for Fortran name-mangling scheme... " >&6; }
 if test ${ac_cv_fc_mangling+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat > conftest.$ac_ext <<_ACEOF
+else case e in #(
+  e) cat > conftest.$ac_ext <<_ACEOF
       subroutine foobar()
       return
       end
@@ -7140,8 +7422,14 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 /* 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.  */
-char $ac_func ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func (void);
 int
 main (void)
 {
@@ -7188,8 +7476,14 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 /* 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.  */
-char $ac_func ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func (void);
 int
 main (void)
 {
@@ -7232,14 +7526,16 @@ ac_compiler_gnu=$ac_cv_fc_compiler_gnu
   LIBS=$ac_save_LIBS
   rm -rf conftest*
   rm -f cfortran_test*
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else case e in #(
+  e) { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot compile a simple Fortran program
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_fc_mangling" >&5
 printf "%s\n" "$ac_cv_fc_mangling" >&6; }
@@ -7436,8 +7732,8 @@ printf %s "checking fortran 90 modules extension... " >&6; }
 if test ${ax_cv_f90_modext+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_ext=${ac_fc_srcext-f}
+else case e in #(
+  e) 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
@@ -7468,8 +7764,9 @@ then :
      fi
    fi
 
-else $as_nop
-  ax_cv_f90_modext=unknown
+else case e in #(
+  e) ax_cv_f90_modext=unknown ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 cd ..
@@ -7480,7 +7777,8 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_f90_modext" >&5
 printf "%s\n" "$ax_cv_f90_modext" >&6; }
@@ -7490,8 +7788,8 @@ printf %s "checking fortran 90 modules inclusion flag... " >&6; }
 if test ${ax_cv_f90_modflag+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_ext=${ac_fc_srcext-f}
+else case e in #(
+  e) 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
@@ -7550,7 +7848,8 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_f90_modflag" >&5
 printf "%s\n" "$ax_cv_f90_modflag" >&6; }
@@ -7599,12 +7898,13 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		      FDEFINES="$psblas_cv_define_prepend-DPSB_MPI_MOD $FDEFINES"
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
-		      FDEFINES="$psblas_cv_define_prepend-DPSB_MPI_H $FDEFINES"
+		      FDEFINES="$psblas_cv_define_prepend-DPSB_MPI_H $FDEFINES" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -7660,8 +7960,9 @@ if ac_fn_fc_try_compile "$LINENO"
 then :
    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes." >&5
 printf "%s\n" "yes." >&6; }
-else $as_nop
-     as_fn_error $? "no.  Could not find working version of PSBLAS." "$LINENO" 5
+else case e in #(
+  e)    as_fn_error $? "no.  Could not find working version of PSBLAS." "$LINENO" 5  ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -7707,8 +8008,9 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   pac_cv_psblas_major=`./conftest${ac_exeext} | sed 's/^ *//'`
-else $as_nop
-  pac_cv_psblas_major="unknown"
+else case e in #(
+  e) pac_cv_psblas_major="unknown" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -7723,8 +8025,9 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   pac_cv_psblas_minor=`./conftest${ac_exeext} | sed 's/^ *//'`
-else $as_nop
-  pac_cv_psblas_minor="unknown"
+else case e in #(
+  e) pac_cv_psblas_minor="unknown" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -7739,8 +8042,9 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   pac_cv_psblas_patchlevel=`./conftest${ac_exeext} | sed 's/^ *//'`
-else $as_nop
-  pac_cv_psblas_patchlevel="unknown"
+else case e in #(
+  e) pac_cv_psblas_patchlevel="unknown" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -7817,8 +8121,9 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   pac_cv_psblas_ipk=`./conftest${ac_exeext} | sed 's/^ *//'`
-else $as_nop
-  pac_cv_psblas_ipk="unknown"
+else case e in #(
+  e) pac_cv_psblas_ipk="unknown" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -7840,8 +8145,9 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   pac_cv_psblas_lpk=`./conftest${ac_exeext} | sed 's/^ *//'`
-else $as_nop
-  pac_cv_psblas_lpk="unknown"
+else case e in #(
+  e) pac_cv_psblas_lpk="unknown" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -7913,12 +8219,13 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		      FDEFINES="$psblas_cv_define_prepend-DPSB_MPI_MOD $FDEFINES"
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
-		      FDEFINES="$psblas_cv_define_prepend-DPSB_MPI_H $FDEFINES"
+		      FDEFINES="$psblas_cv_define_prepend-DPSB_MPI_H $FDEFINES" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -7965,14 +8272,15 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Sorry, cannot build PSBLAS without support for EXTENDS.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.8." "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8029,14 +8337,15 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Sorry, cannot build PSBLAS without support for CLASS and type bound procedures.
  Please get a Fortran compiler that supports them, e.g. GNU Fortran 4.8." "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8079,14 +8388,15 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Sorry, cannot build PSBLAS without support for SOURCE= allocation.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.8." "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8119,14 +8429,15 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Sorry, cannot build PSBLAS without support for MOVE_ALLOC.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.8." "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8158,14 +8469,15 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Sorry, cannot build PSBLAS without support for ISO_C_BINDING.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.8." "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8197,14 +8509,15 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Sorry, cannot build PSBLAS without support for ISO_FORTRAN_ENV.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.8." "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8236,13 +8549,14 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Sorry, cannot build PSBLAS without support for	VOLATILE" "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8289,13 +8603,14 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Sorry, cannot build PSBLAS without support for FINAL" "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8343,13 +8658,14 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      FDEFINES="$psblas_cv_define_prepend-DPSB_HAVE_BUGGY_GENERICS $FDEFINES"
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8385,12 +8701,13 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		      FDEFINES="$psblas_cv_define_prepend-DPSB_HAVE_FLUSH_STMT $FDEFINES"
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
-
+		      ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8434,14 +8751,15 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Sorry, cannot build PSBLAS without support for SAME_TYPE_AS.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.8." "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8482,14 +8800,15 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Sorry, cannot build PSBLAS without support for EXTENDS_TYPE_OF.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.8." "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8532,14 +8851,15 @@ then :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		     :
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 		     echo "configure: failed program was:" >&5
 		     cat conftest.$ac_ext >&5
 		      as_fn_error $? "Sorry, cannot build PSBLAS without support for MOLD= allocation.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.8." "$LINENO" 5
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_ext=c
@@ -8621,8 +8941,9 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   pac_blas_ok=yes
-else $as_nop
-  BLAS_LIBS=""
+else case e in #(
+  e) BLAS_LIBS="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -8646,16 +8967,22 @@ printf %s "checking for ATL_xerbla in -latlas... " >&6; }
 if test ${ac_cv_lib_atlas_ATL_xerbla+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-latlas  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* 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.  */
-char ATL_xerbla ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char ATL_xerbla (void);
 int
 main (void)
 {
@@ -8667,12 +8994,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_atlas_ATL_xerbla=yes
-else $as_nop
-  ac_cv_lib_atlas_ATL_xerbla=no
+else case e in #(
+  e) ac_cv_lib_atlas_ATL_xerbla=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_atlas_ATL_xerbla" >&5
 printf "%s\n" "$ac_cv_lib_atlas_ATL_xerbla" >&6; }
@@ -8688,8 +9017,8 @@ printf %s "checking for sgemm in -lf77blas... " >&6; }
 if test ${ac_cv_lib_f77blas_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lf77blas -latlas $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -8699,12 +9028,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_f77blas_sgemm=yes
-else $as_nop
-  ac_cv_lib_f77blas_sgemm=no
+else case e in #(
+  e) ac_cv_lib_f77blas_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_f77blas_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_f77blas_sgemm" >&6; }
@@ -8721,16 +9052,22 @@ printf %s "checking for cblas_dgemm in -lcblas... " >&6; }
 if test ${ac_cv_lib_cblas_cblas_dgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcblas -lf77blas -latlas $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* 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.  */
-char cblas_dgemm ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char cblas_dgemm (void);
 int
 main (void)
 {
@@ -8742,12 +9079,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_cblas_cblas_dgemm=yes
-else $as_nop
-  ac_cv_lib_cblas_cblas_dgemm=no
+else case e in #(
+  e) ac_cv_lib_cblas_cblas_dgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cblas_cblas_dgemm" >&5
 printf "%s\n" "$ac_cv_lib_cblas_cblas_dgemm" >&6; }
@@ -8775,16 +9114,22 @@ printf %s "checking for ATL_xerbla in -lsatlas... " >&6; }
 if test ${ac_cv_lib_satlas_ATL_xerbla+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsatlas  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* 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.  */
-char ATL_xerbla ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char ATL_xerbla (void);
 int
 main (void)
 {
@@ -8796,12 +9141,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_satlas_ATL_xerbla=yes
-else $as_nop
-  ac_cv_lib_satlas_ATL_xerbla=no
+else case e in #(
+  e) ac_cv_lib_satlas_ATL_xerbla=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_satlas_ATL_xerbla" >&5
 printf "%s\n" "$ac_cv_lib_satlas_ATL_xerbla" >&6; }
@@ -8817,8 +9164,8 @@ printf %s "checking for sgemm in -lsatlas... " >&6; }
 if test ${ac_cv_lib_satlas_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsatlas -lsatlas $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -8828,12 +9175,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_satlas_sgemm=yes
-else $as_nop
-  ac_cv_lib_satlas_sgemm=no
+else case e in #(
+  e) ac_cv_lib_satlas_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_satlas_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_satlas_sgemm" >&6; }
@@ -8850,16 +9199,22 @@ printf %s "checking for cblas_dgemm in -lsatlas... " >&6; }
 if test ${ac_cv_lib_satlas_cblas_dgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsatlas -lsatlas $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* 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.  */
-char cblas_dgemm ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char cblas_dgemm (void);
 int
 main (void)
 {
@@ -8871,12 +9226,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_satlas_cblas_dgemm=yes
-else $as_nop
-  ac_cv_lib_satlas_cblas_dgemm=no
+else case e in #(
+  e) ac_cv_lib_satlas_cblas_dgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_satlas_cblas_dgemm" >&5
 printf "%s\n" "$ac_cv_lib_satlas_cblas_dgemm" >&6; }
@@ -8905,8 +9262,8 @@ printf %s "checking for sgemm in -lblas... " >&6; }
 if test ${ac_cv_lib_blas_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lblas  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -8916,12 +9273,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_blas_sgemm=yes
-else $as_nop
-  ac_cv_lib_blas_sgemm=no
+else case e in #(
+  e) ac_cv_lib_blas_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_blas_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_blas_sgemm" >&6; }
@@ -8932,8 +9291,8 @@ printf %s "checking for dgemm in -ldgemm... " >&6; }
 if test ${ac_cv_lib_dgemm_dgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldgemm -lblas $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -8943,12 +9302,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_dgemm_dgemm=yes
-else $as_nop
-  ac_cv_lib_dgemm_dgemm=no
+else case e in #(
+  e) ac_cv_lib_dgemm_dgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dgemm_dgemm" >&5
 printf "%s\n" "$ac_cv_lib_dgemm_dgemm" >&6; }
@@ -8959,8 +9320,8 @@ printf %s "checking for sgemm in -lsgemm... " >&6; }
 if test ${ac_cv_lib_sgemm_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsgemm -lblas $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -8970,12 +9331,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_sgemm_sgemm=yes
-else $as_nop
-  ac_cv_lib_sgemm_sgemm=no
+else case e in #(
+  e) ac_cv_lib_sgemm_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_sgemm_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_sgemm_sgemm" >&6; }
@@ -9003,8 +9366,8 @@ printf %s "checking for sgemm in -lopenblas... " >&6; }
 if test ${ac_cv_lib_openblas_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lopenblas  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9014,12 +9377,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_openblas_sgemm=yes
-else $as_nop
-  ac_cv_lib_openblas_sgemm=no
+else case e in #(
+  e) ac_cv_lib_openblas_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_openblas_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_openblas_sgemm" >&6; }
@@ -9036,8 +9401,8 @@ printf %s "checking for sgemm in -lcxml... " >&6; }
 if test ${ac_cv_lib_cxml_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcxml  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9047,12 +9412,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_cxml_sgemm=yes
-else $as_nop
-  ac_cv_lib_cxml_sgemm=no
+else case e in #(
+  e) ac_cv_lib_cxml_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cxml_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_cxml_sgemm" >&6; }
@@ -9070,8 +9437,8 @@ printf %s "checking for sgemm in -ldxml... " >&6; }
 if test ${ac_cv_lib_dxml_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldxml  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9081,12 +9448,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_dxml_sgemm=yes
-else $as_nop
-  ac_cv_lib_dxml_sgemm=no
+else case e in #(
+  e) ac_cv_lib_dxml_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dxml_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_dxml_sgemm" >&6; }
@@ -9106,8 +9475,8 @@ printf %s "checking for acosp in -lsunmath... " >&6; }
 if test ${ac_cv_lib_sunmath_acosp+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsunmath  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9117,12 +9486,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_sunmath_acosp=yes
-else $as_nop
-  ac_cv_lib_sunmath_acosp=no
+else case e in #(
+  e) ac_cv_lib_sunmath_acosp=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_sunmath_acosp" >&5
 printf "%s\n" "$ac_cv_lib_sunmath_acosp" >&6; }
@@ -9133,8 +9504,8 @@ printf %s "checking for sgemm in -lsunperf... " >&6; }
 if test ${ac_cv_lib_sunperf_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsunperf -lsunmath $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9144,12 +9515,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_sunperf_sgemm=yes
-else $as_nop
-  ac_cv_lib_sunperf_sgemm=no
+else case e in #(
+  e) ac_cv_lib_sunperf_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_sunperf_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_sunperf_sgemm" >&6; }
@@ -9172,8 +9545,8 @@ printf %s "checking for sgemm in -lscs... " >&6; }
 if test ${ac_cv_lib_scs_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lscs  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9183,12 +9556,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_scs_sgemm=yes
-else $as_nop
-  ac_cv_lib_scs_sgemm=no
+else case e in #(
+  e) ac_cv_lib_scs_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_scs_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_scs_sgemm" >&6; }
@@ -9201,14 +9576,14 @@ fi
 
 # BLAS in SGIMATH library?
 if test $pac_blas_ok = no; then
-	as_ac_Lib=`printf "%s\n" "ac_cv_lib_complib.sgimath_$sgemm" | $as_tr_sh`
+	as_ac_Lib=`printf "%s\n" "ac_cv_lib_complib.sgimath_$sgemm" | sed "$as_sed_sh"`
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lcomplib.sgimath" >&5
 printf %s "checking for $sgemm in -lcomplib.sgimath... " >&6; }
 if eval test \${$as_ac_Lib+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcomplib.sgimath  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9218,12 +9593,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   eval "$as_ac_Lib=yes"
-else $as_nop
-  eval "$as_ac_Lib=no"
+else case e in #(
+  e) eval "$as_ac_Lib=no" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 eval ac_res=\$$as_ac_Lib
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -9237,14 +9614,14 @@ fi
 
 # BLAS in IBM ESSL library? (requires generic BLAS lib, too)
 if test $pac_blas_ok = no; then
-	as_ac_Lib=`printf "%s\n" "ac_cv_lib_blas_$sgemm" | $as_tr_sh`
+	as_ac_Lib=`printf "%s\n" "ac_cv_lib_blas_$sgemm" | sed "$as_sed_sh"`
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lblas" >&5
 printf %s "checking for $sgemm in -lblas... " >&6; }
 if eval test \${$as_ac_Lib+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lblas  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9254,12 +9631,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   eval "$as_ac_Lib=yes"
-else $as_nop
-  eval "$as_ac_Lib=no"
+else case e in #(
+  e) eval "$as_ac_Lib=no" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 eval ac_res=\$$as_ac_Lib
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -9271,8 +9650,8 @@ printf %s "checking for sgemm in -lessl... " >&6; }
 if test ${ac_cv_lib_essl_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lessl -lblas $FLIBS $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9282,12 +9661,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_essl_sgemm=yes
-else $as_nop
-  ac_cv_lib_essl_sgemm=no
+else case e in #(
+  e) ac_cv_lib_essl_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_essl_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_essl_sgemm" >&6; }
@@ -9311,8 +9692,8 @@ printf %s "checking for sgemm in -lblas... " >&6; }
 if test ${ac_cv_lib_blas_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lblas  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9322,12 +9703,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_blas_sgemm=yes
-else $as_nop
-  ac_cv_lib_blas_sgemm=no
+else case e in #(
+  e) ac_cv_lib_blas_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_blas_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_blas_sgemm" >&6; }
@@ -9337,8 +9720,9 @@ then :
 
   LIBS="-lblas $LIBS"
 
-else $as_nop
-  pac_blas_ok=yes;BLAS_LIBS="-lblas $BLAS_LIBDIR"
+else case e in #(
+  e) pac_blas_ok=yes;BLAS_LIBS="-lblas $BLAS_LIBDIR" ;;
+esac
 fi
 
 fi
@@ -9353,8 +9737,9 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   pac_blas_ok=yes
-else $as_nop
-  BLAS_LIBS=""
+else case e in #(
+  e) BLAS_LIBS="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -9372,8 +9757,8 @@ printf %s "checking for sgemm in -lblas... " >&6; }
 if test ${ac_cv_lib_blas_sgemm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lblas  $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9383,12 +9768,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   ac_cv_lib_blas_sgemm=yes
-else $as_nop
-  ac_cv_lib_blas_sgemm=no
+else case e in #(
+  e) ac_cv_lib_blas_sgemm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_blas_sgemm" >&5
 printf "%s\n" "$ac_cv_lib_blas_sgemm" >&6; }
@@ -9529,14 +9916,14 @@ 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_ac_Lib=`printf "%s\n" "ac_cv_lib_$lapack""_cheev" | $as_tr_sh`
+		as_ac_Lib=`printf "%s\n" "ac_cv_lib_$lapack""_cheev" | sed "$as_sed_sh"`
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cheev in -l$lapack" >&5
 printf %s "checking for cheev in -l$lapack... " >&6; }
 if eval test \${$as_ac_Lib+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-l$lapack $FLIBS $LIBS"
 cat > conftest.$ac_ext <<_ACEOF
       program main
@@ -9546,12 +9933,14 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   eval "$as_ac_Lib=yes"
-else $as_nop
-  eval "$as_ac_Lib=no"
+else case e in #(
+  e) eval "$as_ac_Lib=no" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 eval ac_res=\$$as_ac_Lib
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -9598,8 +9987,9 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test ${with_mumps+y}
 then :
   withval=$with_mumps; amg4psblas_cv_mumps=$withval
-else $as_nop
-  amg4psblas_cv_mumps='-lsmumps -ldmumps -lcmumps -lzmumps -lmumps_common -lpord'
+else case e in #(
+  e) amg4psblas_cv_mumps='-lsmumps -ldmumps -lcmumps -lzmumps -lmumps_common -lpord' ;;
+esac
 fi
 
 
@@ -9607,8 +9997,9 @@ fi
 if test ${with_mumpsdir+y}
 then :
   withval=$with_mumpsdir; amg4psblas_cv_mumpsdir=$withval
-else $as_nop
-  amg4psblas_cv_mumpsdir=''
+else case e in #(
+  e) amg4psblas_cv_mumpsdir='' ;;
+esac
 fi
 
 
@@ -9617,8 +10008,9 @@ fi
 if test ${with_mumpsincdir+y}
 then :
   withval=$with_mumpsincdir; amg4psblas_cv_mumpsincdir=$withval
-else $as_nop
-  amg4psblas_cv_mumpsincdir=''
+else case e in #(
+  e) amg4psblas_cv_mumpsincdir='' ;;
+esac
 fi
 
 
@@ -9627,8 +10019,9 @@ fi
 if test ${with_mumpsmoddir+y}
 then :
   withval=$with_mumpsmoddir; amg4psblas_cv_mumpsmoddir=$withval
-else $as_nop
-  amg4psblas_cv_mumpsmoddir=''
+else case e in #(
+  e) amg4psblas_cv_mumpsmoddir='' ;;
+esac
 fi
 
 
@@ -9637,8 +10030,9 @@ fi
 if test ${with_mumpslibdir+y}
 then :
   withval=$with_mumpslibdir; amg4psblas_cv_mumpslibdir=$withval
-else $as_nop
-  amg4psblas_cv_mumpslibdir=''
+else case e in #(
+  e) amg4psblas_cv_mumpslibdir='' ;;
+esac
 fi
 
 
@@ -9687,8 +10081,9 @@ ac_fn_c_check_header_compile "$LINENO" "dmumps_c.h" "ac_cv_header_dmumps_c_h" "$
 if test "x$ac_cv_header_dmumps_c_h" = xyes
 then :
   pac_mumps_header_ok=yes
-else $as_nop
-  pac_mumps_header_ok=no; MUMPS_INCLUDES=""
+else case e in #(
+  e) pac_mumps_header_ok=no; MUMPS_INCLUDES="" ;;
+esac
 fi
 
 if test "x$pac_mumps_header_ok" == "xno" ; then
@@ -9699,8 +10094,9 @@ if test "x$pac_mumps_header_ok" == "xno" ; then
 if test "x$ac_cv_header_dmumps_c_h" = xyes
 then :
   pac_mumps_header_ok=yes
-else $as_nop
-  pac_mumps_header_ok=no; MUMPS_INCLUDES=""
+else case e in #(
+  e) pac_mumps_header_ok=no; MUMPS_INCLUDES="" ;;
+esac
 fi
 
 fi
@@ -9712,8 +10108,9 @@ if test "x$pac_mumps_header_ok" == "xno" ; then
 if test "x$ac_cv_header_dmumps_c_h" = xyes
 then :
   pac_mumps_header_ok=yes
-else $as_nop
-  pac_mumps_header_ok=no; MUMPS_INCLUDES=""
+else case e in #(
+  e) pac_mumps_header_ok=no; MUMPS_INCLUDES="" ;;
+esac
 fi
 
 fi
@@ -9737,8 +10134,9 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   pac_mumps_fmods_ok=yes; amg4psblas_cv_mumpmoddir="$MUMPS_MODULES";
-else $as_nop
-  pac_mumps_fmods_ok=no; MUMPS_MODULES=""
+else case e in #(
+  e) pac_mumps_fmods_ok=no; MUMPS_MODULES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 if test "x$pac_mumps_fmods_ok" == "xno" ; then
@@ -9754,8 +10152,9 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   pac_mumps_fmods_ok=yes amg4psblas_cv_mumpsmoddir="$MUMPS_MODULES";
-else $as_nop
-  pac_mumps_fmods_ok=no; MUMPS_MODULES=""
+else case e in #(
+  e) pac_mumps_fmods_ok=no; MUMPS_MODULES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
@@ -9772,8 +10171,9 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   pac_mumps_fmods_ok=yes amg4psblas_cv_mumpsmoddir="$MUMPS_MODULES";
-else $as_nop
-  pac_mumps_fmods_ok=no; MUMPS_MODULES=""
+else case e in #(
+  e) pac_mumps_fmods_ok=no; MUMPS_MODULES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
@@ -9790,8 +10190,9 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   pac_mumps_fmods_ok=yes amg4psblas_cv_mumpsmoddir="$MUMPS_MODULES";
-else $as_nop
-  pac_mumps_fmods_ok=no; MUMPS_MODULES=""
+else case e in #(
+  e) pac_mumps_fmods_ok=no; MUMPS_MODULES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
@@ -9808,8 +10209,9 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   pac_mumps_fmods_ok=yes amg4psblas_cv_mumpsmoddir="$MUMPS_MODULES";
-else $as_nop
-  pac_mumps_fmods_ok=no; MUMPS_MODULES=""
+else case e in #(
+  e) pac_mumps_fmods_ok=no; MUMPS_MODULES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
@@ -9831,8 +10233,9 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   pac_mumps_fincs_ok=yes; amg4psblas_cv_mumpmoddir="$MUMPS_FINCLUDES";
-else $as_nop
-  pac_mumps_fincs_ok=no; MUMPS_FINCLUDES=""
+else case e in #(
+  e) pac_mumps_fincs_ok=no; MUMPS_FINCLUDES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -9848,8 +10251,9 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   pac_mumps_fincs_ok=yes; amg4psblas_cv_mumpmoddir="$MUMPS_FINCLUDES";
-else $as_nop
-  pac_mumps_fincs_ok=no; MUMPS_FINCLUDES=""
+else case e in #(
+  e) pac_mumps_fincs_ok=no; MUMPS_FINCLUDES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
     fi
@@ -9865,8 +10269,9 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   pac_mumps_fincs_ok=yes; amg4psblas_cv_mumpmoddir="$MUMPS_FINCLUDES";
-else $as_nop
-  pac_mumps_fincs_ok=no; MUMPS_FINCLUDES=""
+else case e in #(
+  e) pac_mumps_fincs_ok=no; MUMPS_FINCLUDES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
     fi
@@ -9882,8 +10287,9 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   pac_mumps_fincs_ok=yes; amg4psblas_cv_mumpmoddir="$MUMPS_FINCLUDES";
-else $as_nop
-  pac_mumps_fincs_ok=no; MUMPS_FINCLUDES=""
+else case e in #(
+  e) pac_mumps_fincs_ok=no; MUMPS_FINCLUDES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
     fi
@@ -9899,8 +10305,9 @@ _ACEOF
 if ac_fn_fc_try_compile "$LINENO"
 then :
   pac_mumps_fincs_ok=yes; amg4psblas_cv_mumpmoddir="$MUMPS_FINCLUDES";
-else $as_nop
-  pac_mumps_fincs_ok=no; MUMPS_FINCLUDES=""
+else case e in #(
+  e) pac_mumps_fincs_ok=no; MUMPS_FINCLUDES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
     fi
@@ -9924,9 +10331,10 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   amg4psblas_cv_have_mumps=yes;pac_mumps_lib_ok=yes;
-else $as_nop
-  amg4psblas_cv_have_mumps=no;pac_mumps_lib_ok=no;
-					  MUMPS_LIBS="";
+else case e in #(
+  e) amg4psblas_cv_have_mumps=no;pac_mumps_lib_ok=no;
+					  MUMPS_LIBS="";  ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -9941,9 +10349,10 @@ _ACEOF
 if ac_fn_fc_try_link "$LINENO"
 then :
   amg4psblas_cv_have_mumps=yes;pac_mumps_lib_ok=yes;
-else $as_nop
-  amg4psblas_cv_have_mumps=no;pac_mumps_lib_ok=no;
-		      MUMPS_LIBS="";MUMPS_MODULES=""
+else case e in #(
+  e) amg4psblas_cv_have_mumps=no;pac_mumps_lib_ok=no;
+		      MUMPS_LIBS="";MUMPS_MODULES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -9999,8 +10408,9 @@ fi
 if test ${with_umfpack+y}
 then :
   withval=$with_umfpack; amg4psblas_cv_umfpack=$withval
-else $as_nop
-  amg4psblas_cv_umfpack='-lumfpack -lamd'
+else case e in #(
+  e) amg4psblas_cv_umfpack='-lumfpack -lamd' ;;
+esac
 fi
 
 
@@ -10008,8 +10418,9 @@ fi
 if test ${with_umfpackdir+y}
 then :
   withval=$with_umfpackdir; amg4psblas_cv_umfpackdir=$withval
-else $as_nop
-  amg4psblas_cv_umfpackdir=''
+else case e in #(
+  e) amg4psblas_cv_umfpackdir='' ;;
+esac
 fi
 
 
@@ -10017,8 +10428,9 @@ fi
 if test ${with_umfpackincdir+y}
 then :
   withval=$with_umfpackincdir; amg4psblas_cv_umfpackincdir=$withval
-else $as_nop
-  amg4psblas_cv_umfpackincdir=''
+else case e in #(
+  e) amg4psblas_cv_umfpackincdir='' ;;
+esac
 fi
 
 
@@ -10026,8 +10438,9 @@ fi
 if test ${with_umfpacklibdir+y}
 then :
   withval=$with_umfpacklibdir; amg4psblas_cv_umfpacklibdir=$withval
-else $as_nop
-  amg4psblas_cv_umfpacklibdir=''
+else case e in #(
+  e) amg4psblas_cv_umfpacklibdir='' ;;
+esac
 fi
 
 
@@ -10053,8 +10466,9 @@ ac_fn_c_check_header_compile "$LINENO" "umfpack.h" "ac_cv_header_umfpack_h" "$ac
 if test "x$ac_cv_header_umfpack_h" = xyes
 then :
   pac_umf_header_ok=yes
-else $as_nop
-  pac_umf_header_ok=no; UMF_INCLUDES=""
+else case e in #(
+  e) pac_umf_header_ok=no; UMF_INCLUDES="" ;;
+esac
 fi
 
 if test "x$amg4psblas_cv_umfpacklibdir" != "x"; then
@@ -10072,8 +10486,9 @@ if test "x$pac_umf_header_ok" == "xno" ; then
 if test "x$ac_cv_header_umfpack_h" = xyes
 then :
   pac_umf_header_ok=yes
-else $as_nop
-  pac_umf_header_ok=no; UMF_INCLUDES=""
+else case e in #(
+  e) pac_umf_header_ok=no; UMF_INCLUDES="" ;;
+esac
 fi
 
 fi
@@ -10088,8 +10503,9 @@ printf %s "checking for umfpack_di_symbolic in $UMF_INCLUDES... " >&6; }
 if test "x$ac_cv_header_umfpack_h" = xyes
 then :
   pac_umf_header_ok=yes
-else $as_nop
-  pac_umf_header_ok=no; UMF_INCLUDES=""
+else case e in #(
+  e) pac_umf_header_ok=no; UMF_INCLUDES="" ;;
+esac
 fi
 
 fi
@@ -10101,8 +10517,9 @@ if test "x$pac_umf_header_ok" == "xno" ; then
 if test "x$ac_cv_header_umfpack_h" = xyes
 then :
   pac_umf_header_ok=yes
-else $as_nop
-  pac_umf_header_ok=no; UMF_INCLUDES=""
+else case e in #(
+  e) pac_umf_header_ok=no; UMF_INCLUDES="" ;;
+esac
 fi
 
 fi
@@ -10122,8 +10539,14 @@ printf %s "checking for umfpack_di_symbolic in $UMF_LIBS... " >&6; }
 
 /* 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.  */
-char umfpack_di_symbolic ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char umfpack_di_symbolic (void);
 int
 main (void)
 {
@@ -10135,8 +10558,9 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   amg4psblas_cv_have_umfpack=yes;pac_umf_lib_ok=yes;
-else $as_nop
-  amg4psblas_cv_have_umfpack=no;pac_umf_lib_ok=no; UMF_LIBS=""
+else case e in #(
+  e) amg4psblas_cv_have_umfpack=no;pac_umf_lib_ok=no; UMF_LIBS="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -10154,8 +10578,14 @@ printf %s "checking for umfpack_di_symbolic in $UMF_LIBS... " >&6; }
 
 /* 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.  */
-char umfpack_di_symbolic ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char umfpack_di_symbolic (void);
 int
 main (void)
 {
@@ -10167,8 +10597,9 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   amg4psblas_cv_have_umfpack=yes;pac_umf_lib_ok=yes;
-else $as_nop
-  amg4psblas_cv_have_umfpack=no;pac_umf_lib_ok=no; UMF_LIBS=""
+else case e in #(
+  e) amg4psblas_cv_have_umfpack=no;pac_umf_lib_ok=no; UMF_LIBS="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -10186,8 +10617,14 @@ printf %s "checking for umfpack_di_symbolic in $UMF_LIBS... " >&6; }
 
 /* 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.  */
-char umfpack_di_symbolic ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char umfpack_di_symbolic (void);
 int
 main (void)
 {
@@ -10199,8 +10636,9 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   amg4psblas_cv_have_umfpack=yes;pac_umf_lib_ok=yes;
-else $as_nop
-  amg4psblas_cv_have_umfpack=no;pac_umf_lib_ok=no; UMF_LIBS=""
+else case e in #(
+  e) amg4psblas_cv_have_umfpack=no;pac_umf_lib_ok=no; UMF_LIBS="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -10230,8 +10668,9 @@ fi
 if test ${with_superlu+y}
 then :
   withval=$with_superlu; amg4psblas_cv_superlu=$withval
-else $as_nop
-  amg4psblas_cv_superlu='-lsuperlu'
+else case e in #(
+  e) amg4psblas_cv_superlu='-lsuperlu' ;;
+esac
 fi
 
 
@@ -10239,8 +10678,9 @@ fi
 if test ${with_superludir+y}
 then :
   withval=$with_superludir; amg4psblas_cv_superludir=$withval
-else $as_nop
-  amg4psblas_cv_superludir=''
+else case e in #(
+  e) amg4psblas_cv_superludir='' ;;
+esac
 fi
 
 
@@ -10248,8 +10688,9 @@ fi
 if test ${with_superluincdir+y}
 then :
   withval=$with_superluincdir; amg4psblas_cv_superluincdir=$withval
-else $as_nop
-  amg4psblas_cv_superluincdir=''
+else case e in #(
+  e) amg4psblas_cv_superluincdir='' ;;
+esac
 fi
 
 
@@ -10257,8 +10698,9 @@ fi
 if test ${with_superlulibdir+y}
 then :
   withval=$with_superlulibdir; amg4psblas_cv_superlulibdir=$withval
-else $as_nop
-  amg4psblas_cv_superlulibdir=''
+else case e in #(
+  e) amg4psblas_cv_superlulibdir='' ;;
+esac
 fi
 
 ac_ext=c
@@ -10293,8 +10735,9 @@ if test "x$ac_cv_header_slu_ddefs_h" = xyes
 then :
   printf "%s\n" "#define HAVE_SLU_DDEFS_H 1" >>confdefs.h
  pac_slu_header_ok=yes
-else $as_nop
-  pac_slu_header_ok=no; SLU_INCLUDES=""
+else case e in #(
+  e) pac_slu_header_ok=no; SLU_INCLUDES="" ;;
+esac
 fi
 
 done
@@ -10310,8 +10753,9 @@ if test "x$ac_cv_header_slu_ddefs_h" = xyes
 then :
   printf "%s\n" "#define HAVE_SLU_DDEFS_H 1" >>confdefs.h
  pac_slu_header_ok=yes
-else $as_nop
-  pac_slu_header_ok=no; SLU_INCLUDES=""
+else case e in #(
+  e) pac_slu_header_ok=no; SLU_INCLUDES="" ;;
+esac
 fi
 
 done
@@ -10328,8 +10772,9 @@ if test "x$ac_cv_header_slu_ddefs_h" = xyes
 then :
   printf "%s\n" "#define HAVE_SLU_DDEFS_H 1" >>confdefs.h
  pac_slu_header_ok=yes
-else $as_nop
-  pac_slu_header_ok=no; SLU_INCLUDES=""
+else case e in #(
+  e) pac_slu_header_ok=no; SLU_INCLUDES="" ;;
+esac
 fi
 
 done
@@ -10349,8 +10794,14 @@ printf %s "checking for superlu_malloc in $SLU_LIBS... " >&6; }
 
 /* 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.  */
-char superlu_malloc ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char superlu_malloc (void);
 int
 main (void)
 {
@@ -10362,8 +10813,9 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   amg4psblas_cv_have_superlu=yes;pac_slu_lib_ok=yes;
-else $as_nop
-  amg4psblas_cv_have_superlu=no;pac_slu_lib_ok=no; SLU_LIBS="";
+else case e in #(
+  e) amg4psblas_cv_have_superlu=no;pac_slu_lib_ok=no; SLU_LIBS="";  ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -10375,8 +10827,14 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
 
 /* 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.  */
-char superlu_malloc ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char superlu_malloc (void);
 int
 main (void)
 {
@@ -10388,8 +10846,9 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   amg4psblas_cv_have_superlu=yes;pac_slu_lib_ok=yes;
-else $as_nop
-  amg4psblas_cv_have_superlu=no;pac_slu_lib_ok=no; SLU_LIBS="";
+else case e in #(
+  e) amg4psblas_cv_have_superlu=no;pac_slu_lib_ok=no; SLU_LIBS="";  ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -10402,8 +10861,14 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
 
 /* 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.  */
-char superlu_malloc ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char superlu_malloc (void);
 int
 main (void)
 {
@@ -10415,8 +10880,9 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   amg4psblas_cv_have_superlu=yes;pac_slu_lib_ok=yes;
-else $as_nop
-  amg4psblas_cv_have_superlu=no;pac_slu_lib_ok=no; SLU_LIBS="";
+else case e in #(
+  e) amg4psblas_cv_have_superlu=no;pac_slu_lib_ok=no; SLU_LIBS="";  ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -10450,9 +10916,10 @@ if ac_fn_c_try_compile "$LINENO"
 then :
    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; };      pac_slu_version="5";
-else $as_nop
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; };      pac_slu_version="4";
+else case e in #(
+  e)  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; };      pac_slu_version="4"; ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
    ac_ext=c
@@ -10486,8 +10953,9 @@ fi
 if test ${with_superludist+y}
 then :
   withval=$with_superludist; amg4psblas_cv_superludist=$withval
-else $as_nop
-  amg4psblas_cv_superludist='-lsuperlu_dist'
+else case e in #(
+  e) amg4psblas_cv_superludist='-lsuperlu_dist' ;;
+esac
 fi
 
 
@@ -10495,8 +10963,9 @@ fi
 if test ${with_superludistdir+y}
 then :
   withval=$with_superludistdir; amg4psblas_cv_superludistdir=$withval
-else $as_nop
-  amg4psblas_cv_superludistdir=''
+else case e in #(
+  e) amg4psblas_cv_superludistdir='' ;;
+esac
 fi
 
 
@@ -10505,8 +10974,9 @@ fi
 if test ${with_superludistincdir+y}
 then :
   withval=$with_superludistincdir; amg4psblas_cv_superludistincdir=$withval
-else $as_nop
-  amg4psblas_cv_superludistincdir=''
+else case e in #(
+  e) amg4psblas_cv_superludistincdir='' ;;
+esac
 fi
 
 
@@ -10515,8 +10985,9 @@ fi
 if test ${with_superludistlibdir+y}
 then :
   withval=$with_superludistlibdir; amg4psblas_cv_superludistlibdir=$withval
-else $as_nop
-  amg4psblas_cv_superludistlibdir=''
+else case e in #(
+  e) amg4psblas_cv_superludistlibdir='' ;;
+esac
 fi
 
 
@@ -10556,8 +11027,9 @@ if test "x$ac_cv_header_superlu_ddefs_h" = xyes
 then :
   printf "%s\n" "#define HAVE_SUPERLU_DDEFS_H 1" >>confdefs.h
  pac_sludist_header_ok=yes
-else $as_nop
-  pac_sludist_header_ok=no; SLUDIST_INCLUDES=""
+else case e in #(
+  e) pac_sludist_header_ok=no; SLUDIST_INCLUDES="" ;;
+esac
 fi
 
 done
@@ -10573,8 +11045,9 @@ if test "x$ac_cv_header_superlu_ddefs_h" = xyes
 then :
   printf "%s\n" "#define HAVE_SUPERLU_DDEFS_H 1" >>confdefs.h
  pac_sludist_header_ok=yes
-else $as_nop
-  pac_sludist_header_ok=no; SLUDIST_INCLUDES=""; SLUDIST_LIBS="";
+else case e in #(
+  e) pac_sludist_header_ok=no; SLUDIST_INCLUDES=""; SLUDIST_LIBS="";  ;;
+esac
 fi
 
 done
@@ -10591,8 +11064,9 @@ if test "x$ac_cv_header_superlu_ddefs_h" = xyes
 then :
   printf "%s\n" "#define HAVE_SUPERLU_DDEFS_H 1" >>confdefs.h
  pac_sludist_header_ok=yes
-else $as_nop
-  pac_sludist_header_ok=no; SLUDIST_INCLUDES=""; SLUDIST_LIBS="";
+else case e in #(
+  e) pac_sludist_header_ok=no; SLUDIST_INCLUDES=""; SLUDIST_LIBS="";  ;;
+esac
 fi
 
 done
@@ -10612,8 +11086,14 @@ printf %s "checking for superlu_malloc_dist in $SLUDIST_LIBS... " >&6; }
 
 /* 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.  */
-char superlu_malloc_dist ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char superlu_malloc_dist (void);
 int
 main (void)
 {
@@ -10625,9 +11105,10 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   amg4psblas_cv_have_superludist=yes;pac_sludist_lib_ok=yes;
-else $as_nop
-  amg4psblas_cv_have_superludist=no;pac_sludist_lib_ok=no;
-          SLUDIST_LIBS="";
+else case e in #(
+  e) amg4psblas_cv_have_superludist=no;pac_sludist_lib_ok=no;
+          SLUDIST_LIBS="";  ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -10641,8 +11122,14 @@ printf %s "checking for superlu_malloc_dist in $SLUDIST_LIBS... " >&6; }
 
 /* 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.  */
-char superlu_malloc_dist ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char superlu_malloc_dist (void);
 int
 main (void)
 {
@@ -10654,9 +11141,10 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   amg4psblas_cv_have_superludist=yes;pac_sludist_lib_ok=yes;
-else $as_nop
-  amg4psblas_cv_have_superludist=no;pac_sludist_lib_ok=no;
-		      SLUDIST_LIBS="";
+else case e in #(
+  e) amg4psblas_cv_have_superludist=no;pac_sludist_lib_ok=no;
+		      SLUDIST_LIBS=""; ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -10671,8 +11159,14 @@ printf %s "checking for superlu_malloc_dist in $SLUDIST_LIBS... " >&6; }
 
 /* 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.  */
-char superlu_malloc_dist ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char superlu_malloc_dist (void);
 int
 main (void)
 {
@@ -10684,9 +11178,10 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   amg4psblas_cv_have_superludist=yes;pac_sludist_lib_ok=yes;
-else $as_nop
-  amg4psblas_cv_have_superludist=no;pac_sludist_lib_ok=no;
-		      SLUDIST_LIBS="";SLUDIST_INCLUDES=""
+else case e in #(
+  e) amg4psblas_cv_have_superludist=no;pac_sludist_lib_ok=no;
+		      SLUDIST_LIBS="";SLUDIST_INCLUDES="" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -10720,8 +11215,9 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   amg4psblas_cv_superludist_major=`./conftest${ac_exeext} | sed 's/^ *//'`
-else $as_nop
-  amg4psblas_cv_superludist_major="unknown"
+else case e in #(
+  e) amg4psblas_cv_superludist_major="unknown" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -10738,8 +11234,9 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   amg4psblas_cv_superludist_minor=`./conftest${ac_exeext} | sed 's/^ *//'`
-else $as_nop
-  amg4psblas_cv_superludist_minor="unknown"
+else case e in #(
+  e) amg4psblas_cv_superludist_minor="unknown" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -10772,9 +11269,10 @@ if ac_fn_c_try_compile "$LINENO"
 then :
    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; };   amg4psblas_cv_superludist_major="4"; amg4psblas_cv_superludist_minor="";
-else $as_nop
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; };    amg4psblas_cv_superludist_major="3"; amg4psblas_cv_superludist_minor="";
+else case e in #(
+  e)  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; };    amg4psblas_cv_superludist_major="3"; amg4psblas_cv_superludist_minor=""; ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
      ac_ext=c
@@ -10806,9 +11304,10 @@ if ac_fn_c_try_compile "$LINENO"
 then :
    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; };  amg4psblas_cv_superludist_major="5";  amg4psblas_cv_superludist_minor="";
-else $as_nop
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; };   amg4psblas_cv_superludist_major="4";  amg4psblas_cv_superludist_minor="";
+else case e in #(
+  e)  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; };   amg4psblas_cv_superludist_major="4";  amg4psblas_cv_superludist_minor=""; ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	ac_ext=c
@@ -10926,8 +11425,8 @@ cat >confcache <<\_ACEOF
 # config.status only pays attention to the cache file if you give it
 # the --recheck option to rerun configure.
 #
-# `ac_cv_env_foo' variables (set or unset) will be overridden when
-# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# 'ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* 'ac_cv_foo' will be assigned the
 # following values.
 
 _ACEOF
@@ -10957,14 +11456,14 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
   (set) 2>&1 |
     case $as_nl`(ac_space=' '; set) 2>&1` in #(
     *${as_nl}ac_space=\ *)
-      # `set' does not quote correctly, so add quotes: double-quote
+      # 'set' does not quote correctly, so add quotes: double-quote
       # substitution turns \\\\ into \\, and sed turns \\ into \.
       sed -n \
 	"s/'/'\\\\''/g;
 	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
       ;; #(
     *)
-      # `set' quotes correctly as required by POSIX, so do not add quotes.
+      # 'set' quotes correctly as required by POSIX, so do not add quotes.
       sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
       ;;
     esac |
@@ -11028,9 +11527,7 @@ s/^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 ][^	 ]*\)[	 ]*\(.*\)/-D\1=\2/g
 t quote
 b any
 :quote
-s/[	 `~#$^&*(){}\\|;'\''"<>?]/\\&/g
-s/\[/\\&/g
-s/\]/\\&/g
+s/[][	 `~#$^&*(){}\\|;'\''"<>?]/\\&/g
 s/\$/$$/g
 H
 :any
@@ -11069,6 +11566,18 @@ printf %s "checking that generated files are newer than configure... " >&6; }
    fi
    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: done" >&5
 printf "%s\n" "done" >&6; }
+case $enable_silent_rules in # (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+esac
+if test $am_cv_make_support_nested_variables = yes; then
+    AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+
  if test -n "$EXEEXT"; then
   am__EXEEXT_TRUE=
   am__EXEEXT_FALSE='#'
@@ -11118,7 +11627,6 @@ cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
@@ -11127,12 +11635,13 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
-  case `(set -o) 2>/dev/null` in #(
+else case e in #(
+  e) case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 
@@ -11204,7 +11713,7 @@ IFS=$as_save_IFS
 
      ;;
 esac
-# We did not find ourselves, most probably we were run as `sh COMMAND'
+# We did not find ourselves, most probably we were run as 'sh COMMAND'
 # in which case we are not to be found in the path.
 if test "x$as_myself" = x; then
   as_myself=$0
@@ -11233,7 +11742,6 @@ as_fn_error ()
 } # as_fn_error
 
 
-
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -11273,11 +11781,12 @@ then :
   {
     eval $1+=\$2
   }'
-else $as_nop
-  as_fn_append ()
+else case e in #(
+  e) as_fn_append ()
   {
     eval $1=\$$1\$2
-  }
+  } ;;
+esac
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -11291,11 +11800,12 @@ then :
   {
     as_val=$(( $* ))
   }'
-else $as_nop
-  as_fn_arith ()
+else case e in #(
+  e) as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  }
+  } ;;
+esac
 fi # as_fn_arith
 
 
@@ -11378,9 +11888,9 @@ if (echo >conf$$.file) 2>/dev/null; then
   if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
     # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
+    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
+    # In both cases, we have to default to 'cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
       as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
@@ -11461,10 +11971,12 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
 
 # Sed expression to map a string onto a valid variable name.
-as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed '$as_sed_sh'" # deprecated
 
 
 exec 6>&1
@@ -11480,7 +11992,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by AMG4PSBLAS $as_me 1.2.0, which was
-generated by GNU Autoconf 2.71.  Invocation command line was
+generated by GNU Autoconf 2.72.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -11508,7 +12020,7 @@ _ACEOF
 
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 ac_cs_usage="\
-\`$as_me' instantiates files and other configuration actions
+'$as_me' instantiates files and other configuration actions
 from templates according to the current configuration.  Unless the files
 and actions are specified as TAGs, all are instantiated by default.
 
@@ -11539,10 +12051,10 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
 AMG4PSBLAS config.status 1.2.0
-configured by $0, generated by GNU Autoconf 2.71,
+configured by $0, generated by GNU Autoconf 2.72,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -11602,8 +12114,8 @@ do
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error $? "unrecognized option: \`$1'
-Try \`$0 --help' for more information." ;;
+  -*) as_fn_error $? "unrecognized option: '$1'
+Try '$0 --help' for more information." ;;
 
   *) as_fn_append ac_config_targets " $1"
      ac_need_defaults=false ;;
@@ -11660,7 +12172,7 @@ do
     "Make.inc") CONFIG_FILES="$CONFIG_FILES Make.inc" ;;
     "amgprec/amg_config.h") CONFIG_FILES="$CONFIG_FILES amgprec/amg_config.h" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: '$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -11679,7 +12191,7 @@ fi
 # creating and moving files from /tmp can sometimes cause problems.
 # Hook for its removal unless debugging.
 # Note that there is a small window in which the directory will not be cleaned:
-# after its creation but before its name has been assigned to `$tmp'.
+# after its creation but before its name has been assigned to '$tmp'.
 $debug ||
 {
   tmp= ac_tmp=
@@ -11703,7 +12215,7 @@ ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
-# This happens for instance with `./config.status config.h'.
+# This happens for instance with './config.status config.h'.
 if test -n "$CONFIG_FILES"; then
 
 
@@ -11869,7 +12381,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) as_fn_error $? "invalid tag '$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -11891,19 +12403,19 @@ do
       -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
-	 # because $ac_f cannot contain `:'.
+	 # because $ac_f cannot contain ':'.
 	 test -f "$ac_f" ||
 	   case $ac_f in
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   as_fn_error 1 "cannot find input file: '$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
     done
 
-    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # Let's still pretend it is 'configure' which instantiates (i.e., don't
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
     configure_input='Generated from '`
@@ -12036,7 +12548,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 esac
 _ACEOF
 
-# Neutralize VPATH when `$srcdir' = `.'.
+# Neutralize VPATH when '$srcdir' = '.'.
 # Shell code in configure.ac might set extrasub.
 # FIXME: do we really want to maintain this feature?
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
@@ -12067,9 +12579,9 @@ test -z "$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 "$ac_out"; } &&
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable 'datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
-printf "%s\n" "$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 "$ac_tmp/stdin"
@@ -12167,15 +12679,15 @@ printf "%s\n" X/"$am_mf" |
    (exit $ac_status); } || am_rc=$?
   done
   if test $am_rc -ne 0; then
-    { { printf "%s\n" "$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: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "Something went wrong bootstrapping makefile fragments
     for automatic dependency tracking.  If GNU make was not used, consider
     re-running the configure script with MAKE=\"gmake\" (or whatever is
     necessary).  You can also try re-running configure with the
     '--disable-dependency-tracking' option to at least be able to build
     the package (albeit without support for automatic dependency tracking).
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
   fi
   { am_dirpart=; unset am_dirpart;}
   { am_filepart=; unset am_filepart;}
@@ -12234,6 +12746,8 @@ fi
 	SuperLU_Dist detected : ${amg4psblas_cv_have_superludist}
 	UMFPack detected      : ${amg4psblas_cv_have_umfpack}
 
+	INSTALL_DIR 	      : ${INSTALL_DIR}
+
 	If you are satisfied, run 'make' to build ${PACKAGE_NAME} and its documentation; otherwise
 	type  ./configure --help=short for a complete list of configure options specific to ${PACKAGE_NAME}.
 " >&5
@@ -12246,6 +12760,8 @@ printf "%s\n" "$as_me:
 	SuperLU_Dist detected : ${amg4psblas_cv_have_superludist}
 	UMFPack detected      : ${amg4psblas_cv_have_umfpack}
 
+	INSTALL_DIR 	      : ${INSTALL_DIR}
+
 	If you are satisfied, run 'make' to build ${PACKAGE_NAME} and its documentation; otherwise
 	type  ./configure --help=short for a complete list of configure options specific to ${PACKAGE_NAME}.
 " >&6;}
diff --git a/configure.ac b/configure.ac
index 11fd8905..2fa0b3f6 100755
--- a/configure.ac
+++ b/configure.ac
@@ -889,6 +889,8 @@ AC_MSG_NOTICE([
 	SuperLU_Dist detected : ${amg4psblas_cv_have_superludist}
 	UMFPack detected      : ${amg4psblas_cv_have_umfpack}
 
+	INSTALL_DIR 	      : ${INSTALL_DIR}
+	
 	If you are satisfied, run 'make' to build ${PACKAGE_NAME} and its documentation; otherwise
 	type  ./configure --help=short for a complete list of configure options specific to ${PACKAGE_NAME}.
 dnl	To install the program and its documentation, run 'make install' if you are root,