diff --git a/Make.inc.in b/Make.inc.in
index 8aaa298c..39cc4a0d 100755
--- a/Make.inc.in
+++ b/Make.inc.in
@@ -50,6 +50,7 @@ INSTALL_INCLUDEDIR=@INSTALL_INCLUDEDIR@
 INSTALL_DOCSDIR=@INSTALL_DOCSDIR@
 
 LIBDIR=@LIBDIR@
+RSB_LIBS=@RSB_LIBS@
 BASELIBNAME=@BASELIBNAME@
 PRECLIBNAME=@PRECLIBNAME@
 METHDLIBNAME=@METHDLIBNAME@
diff --git a/configure b/configure
index e89f68b5..96da9b33 100755
--- a/configure
+++ b/configure
@@ -1,13 +1,13 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.65 for PSBLAS 3.0.
+# Generated by GNU Autoconf 2.67 for PSBLAS 3.0.
 #
 # Report bugs to <salvatore.filippone@uniroma2.it>.
 #
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
-# Inc.
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
+# Foundation, Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -319,7 +319,7 @@ $as_echo X"$as_dir" |
       test -d "$as_dir" && break
     done
     test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
 
 
 } # as_fn_mkdir_p
@@ -359,19 +359,19 @@ else
 fi # as_fn_arith
 
 
-# as_fn_error ERROR [LINENO LOG_FD]
-# ---------------------------------
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
 # Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
 # provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with status $?, using 1 if that was 0.
+# script with STATUS, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$?; test $as_status -eq 0 && as_status=1
-  if test "$3"; then
-    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  $as_echo "$as_me: error: $1" >&2
+  $as_echo "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -533,7 +533,7 @@ test -n "$DJDIR" || exec 7<&0 </dev/null
 exec 6>&1
 
 # Name of the host.
-# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
 # so uname gets run too.
 ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
@@ -601,6 +601,7 @@ LIBOBJS
 UTILLIBNAME
 METHDLIBNAME
 PRECLIBNAME
+RSB_LIBS
 LIBDIR
 PSBLASRULES
 FINCLUDES
@@ -821,8 +822,9 @@ do
   fi
 
   case $ac_option in
-  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
-  *)	ac_optarg=yes ;;
+  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *=)   ac_optarg= ;;
+  *)    ac_optarg=yes ;;
   esac
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
@@ -867,7 +869,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid feature name: $ac_useropt"
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -893,7 +895,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid feature name: $ac_useropt"
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1097,7 +1099,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid package name: $ac_useropt"
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1113,7 +1115,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid package name: $ac_useropt"
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1143,8 +1145,8 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$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"
     ;;
 
   *=*)
@@ -1152,7 +1154,7 @@ 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 ;;
@@ -1170,13 +1172,13 @@ done
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  as_fn_error "missing argument to $ac_option"
+  as_fn_error $? "missing argument to $ac_option"
 fi
 
 if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
-    fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;;
+    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
     *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
@@ -1199,7 +1201,7 @@ do
     [\\/$]* | ?:[\\/]* )  continue;;
     NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
   esac
-  as_fn_error "expected an absolute directory name for --$ac_var: $ac_val"
+  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -1213,8 +1215,8 @@ target=$target_alias
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
-    If a cross compiler is detected then cross compile mode will be used." >&2
+    $as_echo "$as_me: WARNING: if you wanted to set the --build type, don't use --host.
+    If a cross compiler is detected then cross compile mode will be used" >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
   fi
@@ -1229,9 +1231,9 @@ test "$silent" = yes && exec 6>/dev/null
 ac_pwd=`pwd` && test -n "$ac_pwd" &&
 ac_ls_di=`ls -di .` &&
 ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  as_fn_error "working directory cannot be determined"
+  as_fn_error $? "working directory cannot be determined"
 test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  as_fn_error "pwd does not report name of working directory"
+  as_fn_error $? "pwd does not report name of working directory"
 
 
 # Find the source files, if location was not specified.
@@ -1270,11 +1272,11 @@ else
 fi
 if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  as_fn_error "cannot find sources ($ac_unique_file) in $srcdir"
+  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
 fi
 ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
-	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg"
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
 	pwd)`
 # When building in place, set srcdir=.
 if test "$ac_abs_confdir" = "$ac_pwd"; then
@@ -1314,7 +1316,7 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking...' messages
+  -q, --quiet, --silent   do not print \`checking ...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
   -C, --config-cache      alias for \`--cache-file=config.cache'
   -n, --no-create         do not create output files
@@ -1496,9 +1498,9 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 PSBLAS configure 3.0
-generated by GNU Autoconf 2.65
+generated by GNU Autoconf 2.67
 
-Copyright (C) 2009 Free Software Foundation, Inc.
+Copyright (C) 2010 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1677,7 +1679,7 @@ ac_fn_c_check_func ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2069,7 +2071,7 @@ $as_echo "$ac_try_echo"; } >&5
     mv -f conftest.er1 conftest.err
   fi
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } >/dev/null && {
+  test $ac_status = 0; } > conftest.i && {
 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        }; then :
@@ -2094,7 +2096,7 @@ ac_fn_c_check_header_compile ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2120,7 +2122,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by PSBLAS $as_me 3.0, which was
-generated by GNU Autoconf 2.65.  Invocation command line was
+generated by GNU Autoconf 2.67.  Invocation command line was
 
   $ $0 $@
 
@@ -2230,11 +2232,9 @@ trap 'exit_status=$?
   {
     echo
 
-    cat <<\_ASBOX
-## ---------------- ##
+    $as_echo "## ---------------- ##
 ## Cache variables. ##
-## ---------------- ##
-_ASBOX
+## ---------------- ##"
     echo
     # The following way of writing the cache mishandles newlines in values,
 (
@@ -2268,11 +2268,9 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
 )
     echo
 
-    cat <<\_ASBOX
-## ----------------- ##
+    $as_echo "## ----------------- ##
 ## Output variables. ##
-## ----------------- ##
-_ASBOX
+## ----------------- ##"
     echo
     for ac_var in $ac_subst_vars
     do
@@ -2285,11 +2283,9 @@ _ASBOX
     echo
 
     if test -n "$ac_subst_files"; then
-      cat <<\_ASBOX
-## ------------------- ##
+      $as_echo "## ------------------- ##
 ## File substitutions. ##
-## ------------------- ##
-_ASBOX
+## ------------------- ##"
       echo
       for ac_var in $ac_subst_files
       do
@@ -2303,11 +2299,9 @@ _ASBOX
     fi
 
     if test -s confdefs.h; then
-      cat <<\_ASBOX
-## ----------- ##
+      $as_echo "## ----------- ##
 ## confdefs.h. ##
-## ----------- ##
-_ASBOX
+## ----------- ##"
       echo
       cat confdefs.h
       echo
@@ -2362,7 +2356,12 @@ _ACEOF
 ac_site_file1=NONE
 ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  ac_site_file1=$CONFIG_SITE
+  # We do not want a PATH search for config.site.
+  case $CONFIG_SITE in #((
+    -*)  ac_site_file1=./$CONFIG_SITE;;
+    */*) ac_site_file1=$CONFIG_SITE;;
+    *)   ac_site_file1=./$CONFIG_SITE;;
+  esac
 elif test "x$prefix" != xNONE; then
   ac_site_file1=$prefix/share/config.site
   ac_site_file2=$prefix/etc/config.site
@@ -2377,7 +2376,11 @@ do
     { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
 $as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
-    . "$ac_site_file"
+    . "$ac_site_file" \
+      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "failed to load site script $ac_site_file
+See \`config.log' for more details" "$LINENO" 5 ; }
   fi
 done
 
@@ -2453,7 +2456,7 @@ if $ac_cache_corrupted; then
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
   { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
 $as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
 fi
 ## -------------------- ##
 ## Main body of script. ##
@@ -2513,16 +2516,22 @@ $as_echo "$as_me:
 #
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
-  for ac_t in install-sh install.sh shtool; do
-    if test -f "$ac_dir/$ac_t"; then
-      ac_aux_dir=$ac_dir
-      ac_install_sh="$ac_aux_dir/$ac_t -c"
-      break 2
-    fi
-  done
+  if test -f "$ac_dir/install-sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f "$ac_dir/install.sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  elif test -f "$ac_dir/shtool"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
+  fi
 done
 if test -z "$ac_aux_dir"; then
-  as_fn_error "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
+  as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
 fi
 
 # These three variables are undocumented and unsupported,
@@ -2862,9 +2871,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "Fortran compiler cannot create executables
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "Fortran compiler cannot create executables
+See \`config.log' for more details" "$LINENO" 5 ; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
@@ -2906,8 +2914,8 @@ done
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 rm -f conftest conftest$ac_cv_exeext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -2958,9 +2966,9 @@ $as_echo "$ac_try_echo"; } >&5
     else
 	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run Fortran compiled programs.
+as_fn_error $? "cannot run Fortran compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
     fi
   fi
 fi
@@ -3005,8 +3013,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
@@ -3408,8 +3416,8 @@ fi
 
 test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "no acceptable C compiler found in \$PATH
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "no acceptable C compiler found in \$PATH
+See \`config.log' for more details" "$LINENO" 5 ; }
 
 # Provide some information about the compiler.
 $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -3652,11 +3660,11 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 # Sanity checks, although redundant (useful when debugging this configure.ac)!
 if test "X$FC" == "X" ; then
-	as_fn_error "Problem : No Fortran compiler specified nor found!" "$LINENO" 5
+	as_fn_error $? "Problem : No Fortran compiler specified nor found!" "$LINENO" 5
 fi
 
 if test "X$CC" == "X" ; then
-	as_fn_error "Problem : No C compiler specified nor found!" "$LINENO" 5
+	as_fn_error $? "Problem : No C compiler specified nor found!" "$LINENO" 5
 fi
 
 ###############################################################################
@@ -3923,7 +3931,7 @@ CC="$acx_mpi_save_CC"
 
 # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
 if test x = x"$MPILIBS"; then
-        as_fn_error "Cannot find any suitable MPI implementation for C" "$LINENO" 5
+        as_fn_error $? "Cannot find any suitable MPI implementation for C" "$LINENO" 5
         :
 else
 
@@ -4203,7 +4211,7 @@ FC="$acx_mpi_save_FC"
 
 # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
 if test x = x"$MPILIBS"; then
-        as_fn_error "Cannot find any suitable MPI implementation for Fortran" "$LINENO" 5
+        as_fn_error $? "Cannot find any suitable MPI implementation for Fortran" "$LINENO" 5
         :
 else
 
@@ -4480,7 +4488,7 @@ F77="$acx_mpi_save_F77"
 
 # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
 if test x = x"$MPILIBS"; then
-        as_fn_error "Cannot find any suitable MPI implementation for Fortran 77" "$LINENO" 5
+        as_fn_error $? "Cannot find any suitable MPI implementation for Fortran 77" "$LINENO" 5
         :
 else
 
@@ -4508,11 +4516,11 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 ###############################################################################
 
 if test "X$MPIFC" == "X" ; then
-	as_fn_error "Problem : No MPI Fortran compiler specified nor found!" "$LINENO" 5
+	as_fn_error $? "Problem : No MPI Fortran compiler specified nor found!" "$LINENO" 5
 fi
 
 if test "X$MPICC" == "X" ; then
-	as_fn_error "Problem : No MPI C compiler specified nor found!" "$LINENO" 5
+	as_fn_error $? "Problem : No MPI C compiler specified nor found!" "$LINENO" 5
 fi
 
 ###############################################################################
@@ -4795,11 +4803,11 @@ am_lf='
 '
 case `pwd` in
   *[\\\"\#\$\&\'\`$am_lf]*)
-    as_fn_error "unsafe absolute working directory name" "$LINENO" 5;;
+    as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5 ;;
 esac
 case $srcdir in
   *[\\\"\#\$\&\'\`$am_lf\ \	]*)
-    as_fn_error "unsafe srcdir value: \`$srcdir'" "$LINENO" 5;;
+    as_fn_error $? "unsafe srcdir value: \`$srcdir'" "$LINENO" 5 ;;
 esac
 
 # Do `set' in a subshell so we don't clobber the current shell's
@@ -4821,7 +4829,7 @@ if (
       # 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
+      as_fn_error $? "ls -t appears to fail.  Make sure there is not a broken
 alias in your environment" "$LINENO" 5
    fi
 
@@ -4831,7 +4839,7 @@ then
    # Ok.
    :
 else
-   as_fn_error "newly created file is older than distributed files!
+   as_fn_error $? "newly created file is older than distributed files!
 Check your system clock" "$LINENO" 5
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
@@ -5069,7 +5077,7 @@ done
 $as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
 set x ${MAKE-make}
 ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat >conftest.make <<\_ACEOF
@@ -5077,7 +5085,7 @@ SHELL = /bin/sh
 all:
 	@echo '@@@%%%=$(MAKE)=@@@%%%'
 _ACEOF
-# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+# GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
 case `${MAKE-make} -f conftest.make 2>/dev/null` in
   *@@@%%%=?*=@@@%%%*)
     eval ac_cv_prog_make_${ac_make}_set=yes;;
@@ -5173,7 +5181,7 @@ if test "`cd $srcdir && pwd`" != "`pwd`"; then
   am__isrc=' -I$(srcdir)'
   # test to see if srcdir already configured
   if test -f $srcdir/config.status; then
-    as_fn_error "source directory already configured; run \"make distclean\" there first" "$LINENO" 5
+    as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5
   fi
 fi
 
@@ -5458,7 +5466,7 @@ $as_echo " no." >&6; }
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  as_fn_error "Sorry, we require GNU Fortran 4.3 or later." "$LINENO" 5
+  as_fn_error $? "Sorry, we require GNU Fortran 4.3 or later." "$LINENO" 5
 
 fi
 rm -f conftest*
@@ -5521,7 +5529,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -5537,11 +5545,11 @@ else
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
   break
 fi
@@ -5580,7 +5588,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -5596,18 +5604,18 @@ else
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
 
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 
 ac_ext=c
@@ -5668,7 +5676,7 @@ esac
   done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_GREP"; then
-    as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_GREP=$GREP
@@ -5734,7 +5742,7 @@ esac
   done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_EGREP"; then
-    as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_EGREP=$EGREP
@@ -5866,8 +5874,7 @@ do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
 "
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -5892,9 +5899,8 @@ else
   if test "$ac_cv_type_void_p" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (void *)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (void *)
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_void_p=0
    fi
@@ -6056,8 +6062,8 @@ ac_compiler_gnu=$ac_cv_fc_compiler_gnu
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot compile a simple Fortran program
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot compile a simple Fortran program
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
@@ -6353,7 +6359,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 done
 rm -fr tmpdir_$i
 if test "$ax_flag" = "not found" ; then
-  as_fn_error "unable to find compiler flag for modules inclusion" "$LINENO" 5
+  as_fn_error $? "unable to find compiler flag for modules inclusion" "$LINENO" 5
 fi
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -6501,7 +6507,7 @@ $as_echo "no" >&6; }
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
 
-  as_fn_error "Sorry, cannot build PSBLAS without support for TR15581.
+  as_fn_error $? "Sorry, cannot build PSBLAS without support for TR15581.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.6." "$LINENO" 5
 
 fi
@@ -6544,7 +6550,7 @@ $as_echo "no" >&6; }
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
 
-  as_fn_error "Sorry, cannot build PSBLAS without support for EXTENDS.
+  as_fn_error $? "Sorry, cannot build PSBLAS without support for EXTENDS.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.6." "$LINENO" 5
 
 fi
@@ -6606,7 +6612,7 @@ $as_echo "no" >&6; }
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
 
-  as_fn_error "Sorry, cannot build PSBLAS without support for CLASS and type bound procedures.
+  as_fn_error $? "Sorry, cannot build PSBLAS without support for CLASS and type bound procedures.
  Please get a Fortran compiler that supports them, e.g. GNU Fortran 4.6." "$LINENO" 5
 
 fi
@@ -6654,7 +6660,7 @@ $as_echo "no" >&6; }
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
 
-  as_fn_error "Sorry, cannot build PSBLAS without support for SOURCE= allocation.
+  as_fn_error $? "Sorry, cannot build PSBLAS without support for SOURCE= allocation.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.6." "$LINENO" 5
 
 fi
@@ -6690,7 +6696,7 @@ $as_echo "no" >&6; }
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  as_fn_error "Sorry, cannot build PSBLAS without support for MOVE_ALLOC.
+  as_fn_error $? "Sorry, cannot build PSBLAS without support for MOVE_ALLOC.
  Please get a Fortran compiler that supports it, e.g. GNU Fortran 4.6." "$LINENO" 5
 
 fi
@@ -7251,7 +7257,7 @@ fi
 	  ;;
 	  # Ignore these flags.
 	-lang* | -lcrt*.o | -lc | -lgcc* | -lSystem | -libmil | -little \
-	  |-LANG:=* | -LIST:* | -LNO:*)
+	  |-LANG:=* | -LIST:* | -LNO:* | -link)
 	  ;;
 	-lkernel32)
 	  test x"$CYGWIN" != xyes && ac_cv_f77_libs="$ac_cv_f77_libs $ac_arg"
@@ -7445,8 +7451,8 @@ fi
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "linking to Fortran libraries from C fails
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "linking to Fortran libraries from C fails
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 
 ac_ext=c
@@ -7607,8 +7613,8 @@ ac_compiler_gnu=$ac_cv_f77_compiler_gnu
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot compile a simple Fortran program
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot compile a simple Fortran program
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
@@ -7962,7 +7968,7 @@ if test $pac_blas_ok = no; then
 	as_ac_Lib=`$as_echo "ac_cv_lib_cxml_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lcxml" >&5
 $as_echo_n "checking for $sgemm in -lcxml... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8005,8 +8011,7 @@ fi
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   pac_blas_ok=yes;BLAS_LIBS="-lcxml"
 fi
 
@@ -8017,7 +8022,7 @@ if test $pac_blas_ok = no; then
 	as_ac_Lib=`$as_echo "ac_cv_lib_dxml_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -ldxml" >&5
 $as_echo_n "checking for $sgemm in -ldxml... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8060,8 +8065,7 @@ fi
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   pac_blas_ok=yes;BLAS_LIBS="-ldxml"
 fi
 
@@ -8119,7 +8123,7 @@ if test "x$ac_cv_lib_sunmath_acosp" = x""yes; then :
   as_ac_Lib=`$as_echo "ac_cv_lib_sunperf_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lsunperf" >&5
 $as_echo_n "checking for $sgemm in -lsunperf... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8162,8 +8166,7 @@ fi
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   BLAS_LIBS="-xlic_lib=sunperf -lsunmath"
                                  pac_blas_ok=yes
 fi
@@ -8179,7 +8182,7 @@ if test $pac_blas_ok = no; then
 	as_ac_Lib=`$as_echo "ac_cv_lib_scs_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lscs" >&5
 $as_echo_n "checking for $sgemm in -lscs... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8222,8 +8225,7 @@ fi
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   pac_blas_ok=yes; BLAS_LIBS="-lscs"
 fi
 
@@ -8234,7 +8236,7 @@ if test $pac_blas_ok = no; then
 	as_ac_Lib=`$as_echo "ac_cv_lib_complib.sgimath_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lcomplib.sgimath" >&5
 $as_echo_n "checking for $sgemm in -lcomplib.sgimath... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8277,8 +8279,7 @@ fi
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   pac_blas_ok=yes; BLAS_LIBS="-lcomplib.sgimath"
 fi
 
@@ -8289,7 +8290,7 @@ if test $pac_blas_ok = no; then
 	as_ac_Lib=`$as_echo "ac_cv_lib_blas_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lblas" >&5
 $as_echo_n "checking for $sgemm in -lblas... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8332,12 +8333,11 @@ fi
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   as_ac_Lib=`$as_echo "ac_cv_lib_essl_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lessl" >&5
 $as_echo_n "checking for $sgemm in -lessl... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8380,8 +8380,7 @@ fi
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   pac_blas_ok=yes; BLAS_LIBS="-lessl -lblas"
 fi
 
@@ -8471,7 +8470,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
     as_ac_Lib=`$as_echo "ac_cv_lib_blas_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lblas" >&5
 $as_echo_n "checking for $sgemm in -lblas... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8514,8 +8513,7 @@ fi
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   pac_blas_ok=yes; BLAS_LIBS="-lblas"
 fi
 
@@ -8534,7 +8532,7 @@ $as_echo "#define HAVE_BLAS 1" >>confdefs.h
         :
 else
         pac_blas_ok=no
-        as_fn_error "Cannot find BLAS library, specify a path using --with-blas=DIR/LIB (for example --with-blas=/usr/path/lib/libcxml.a)" "$LINENO" 5
+        as_fn_error $? "Cannot find BLAS library, specify a path using --with-blas=DIR/LIB (for example --with-blas=/usr/path/lib/libcxml.a)" "$LINENO" 5
 fi
 
 
@@ -8673,7 +8671,7 @@ ac_compiler_gnu=$ac_cv_fc_compiler_gnu
 		as_ac_Lib=`$as_echo "ac_cv_lib_$lapack''_cheev" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cheev in -l$lapack" >&5
 $as_echo_n "checking for cheev in -l$lapack... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8695,8 +8693,7 @@ fi
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   pac_lapack_ok=yes; LAPACK_LIBS="-l$lapack"
 fi
 
@@ -8801,9 +8798,10 @@ fi
 
 
 if test "x$psblas_cv_metis" != "x" ; then
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for METIS_PartGraphRecursive in -l\"m\"" >&5
+	as_ac_Lib=`$as_echo "ac_cv_lib_"m"''_METIS_PartGraphRecursive" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for METIS_PartGraphRecursive in -l\"m\"" >&5
 $as_echo_n "checking for METIS_PartGraphRecursive in -l\"m\"... " >&6; }
-if test "${ac_cv_lib__m__METIS_PartGraphRecursive+set}" = set; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8835,17 +8833,18 @@ return METIS_PartGraphRecursive ();
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib__m__METIS_PartGraphRecursive=yes
+  eval "$as_ac_Lib=yes"
 else
-  ac_cv_lib__m__METIS_PartGraphRecursive=no
+  eval "$as_ac_Lib=no"
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib__m__METIS_PartGraphRecursive" >&5
-$as_echo "$ac_cv_lib__m__METIS_PartGraphRecursive" >&6; }
-if test "x$ac_cv_lib__m__METIS_PartGraphRecursive" = x""yes; then :
+eval ac_res=\$$as_ac_Lib
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   psblas_cv_have_metis=yes; METIS_LIBS="$psblas_cv_metis"
 else
   psblas_cv_have_metis=no
@@ -9000,6 +8999,7 @@ FDEFINES=$(PSBFDEFINES)
 
 
 
+
 ###############################################################################
 # the following files will be created by Automake
 
@@ -9124,6 +9124,7 @@ DEFS=`sed -n "$ac_script" confdefs.h`
 
 ac_libobjs=
 ac_ltlibobjs=
+U=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
@@ -9139,11 +9140,11 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
-  as_fn_error "conditional \"AMDEP\" was never defined.
+  as_fn_error $? "conditional \"AMDEP\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
 if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
-  as_fn_error "conditional \"am__fastdepCC\" was never defined.
+  as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
  if test -n "$EXEEXT"; then
@@ -9301,19 +9302,19 @@ export LANGUAGE
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 
-# as_fn_error ERROR [LINENO LOG_FD]
-# ---------------------------------
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
 # Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
 # provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with status $?, using 1 if that was 0.
+# script with STATUS, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$?; test $as_status -eq 0 && as_status=1
-  if test "$3"; then
-    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  $as_echo "$as_me: error: $1" >&2
+  $as_echo "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -9509,7 +9510,7 @@ $as_echo X"$as_dir" |
       test -d "$as_dir" && break
     done
     test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
 
 
 } # as_fn_mkdir_p
@@ -9563,7 +9564,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by PSBLAS $as_me 3.0, which was
-generated by GNU Autoconf 2.65.  Invocation command line was
+generated by GNU Autoconf 2.67.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -9620,10 +9621,10 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 PSBLAS config.status 3.0
-configured by $0, generated by GNU Autoconf 2.65,
+configured by $0, generated by GNU Autoconf 2.67,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2009 Free Software Foundation, Inc.
+Copyright (C) 2010 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -9641,11 +9642,16 @@ ac_need_defaults=:
 while test $# != 0
 do
   case $1 in
-  --*=*)
+  --*=?*)
     ac_option=`expr "X$1" : 'X\([^=]*\)='`
     ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
     ac_shift=:
     ;;
+  --*=)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=
+    ac_shift=:
+    ;;
   *)
     ac_option=$1
     ac_optarg=$2
@@ -9667,6 +9673,7 @@ do
     $ac_shift
     case $ac_optarg in
     *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    '') as_fn_error $? "missing file argument" ;;
     esac
     as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
@@ -9677,7 +9684,7 @@ do
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error "unrecognized option: \`$1'
+  -*) as_fn_error $? "unrecognized option: \`$1'
 Try \`$0 --help' for more information." ;;
 
   *) as_fn_append ac_config_targets " $1"
@@ -9734,7 +9741,7 @@ do
     "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
     "Make.inc") CONFIG_FILES="$CONFIG_FILES Make.inc" ;;
 
-  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5 ;;
   esac
 done
 
@@ -9771,7 +9778,7 @@ $debug ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -9788,7 +9795,7 @@ if test "x$ac_cr" = x; then
 fi
 ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
 if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
-  ac_cs_awk_cr='\r'
+  ac_cs_awk_cr='\\r'
 else
   ac_cs_awk_cr=$ac_cr
 fi
@@ -9802,18 +9809,18 @@ _ACEOF
   echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
   echo "_ACEOF"
 } >conf$$subs.sh ||
-  as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
-ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
+  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   . ./conf$$subs.sh ||
-    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
 
   ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
   if test $ac_delim_n = $ac_delim_num; then
     break
   elif $ac_last_try; then
-    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -9902,20 +9909,28 @@ if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
 else
   cat
 fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
-  || as_fn_error "could not setup config files machinery" "$LINENO" 5
+  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
+# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
-s/:*\$(srcdir):*/:/
-s/:*\${srcdir}:*/:/
-s/:*@srcdir@:*/:/
-s/^\([^=]*=[	 ]*\):*/\1/
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
+h
+s///
+s/^/:/
+s/[	 ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
 s/:*$//
+x
+s/\(=[	 ]*\).*/\1/
+G
+s/\n//
 s/^[^=]*=[	 ]*$//
 }'
 fi
@@ -9933,7 +9948,7 @@ 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:$ac_tag.in;;
   esac
@@ -9961,7 +9976,7 @@ do
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5 ;;
       esac
       case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
@@ -9988,7 +10003,7 @@ $as_echo "$as_me: creating $ac_file" >&6;}
 
     case $ac_tag in
     *:-:* | *:-) cat >"$tmp/stdin" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5  ;;
     esac
     ;;
   esac
@@ -10125,22 +10140,22 @@ s&@MKDIR_P@&$ac_MKDIR_P&;t t
 $ac_datarootdir_hack
 "
 eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&5
+which seems to be undefined.  Please make sure it is defined" >&5
 $as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&2;}
+which seems to be undefined.  Please make sure it is defined" >&2;}
 
   rm -f "$tmp/stdin"
   case $ac_file in
   -) cat "$tmp/out" && rm -f "$tmp/out";;
   *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
   esac \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
  ;;
 
 
@@ -10256,7 +10271,7 @@ _ACEOF
 ac_clean_files=$ac_clean_files_save
 
 test $ac_write_fail = 0 ||
-  as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5
+  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
 
 
 # configure is writing to config.log, and then calls config.status.
@@ -10277,7 +10292,7 @@ if test "$no_create" != yes; then
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || as_fn_exit $?
+  $ac_cs_success || as_fn_exit 1
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
diff --git a/configure.ac b/configure.ac
index 5eaaf353..496c544c 100755
--- a/configure.ac
+++ b/configure.ac
@@ -762,6 +762,7 @@ FDEFINES=$(PSBFDEFINES)
 
 AC_SUBST(PSBLASRULES)
 AC_SUBST(LIBDIR)
+AC_SUBST(RSB_LIBS)
 AC_SUBST(BASELIBNAME)
 AC_SUBST(PRECLIBNAME)
 AC_SUBST(METHDLIBNAME)
diff --git a/test/serial/Makefile b/test/serial/Makefile
index f9cde658..af34b563 100644
--- a/test/serial/Makefile
+++ b/test/serial/Makefile
@@ -4,7 +4,7 @@ include ../../Make.inc
 #
 LIBDIR=../../lib/
 OPTDIR=../../opt
-PSBLAS_LIB= -L$(LIBDIR) -lpsb_base  -L$(OPTDIR)
+PSBLAS_LIB= -L$(LIBDIR) -lpsb_base -L$(OPTDIR) -lpsb_opt $(RSB_LIBS) 
 #-lpsb_util -lpsb_krylov -lpsb_prec -lpsb_base 
 LDLIBS=$(PSBLDLIBS)
 #
diff --git a/test/serial/d_matgen.f90 b/test/serial/d_matgen.F90
similarity index 97%
rename from test/serial/d_matgen.f90
rename to test/serial/d_matgen.F90
index 314b69e5..38f9cd2a 100644
--- a/test/serial/d_matgen.f90
+++ b/test/serial/d_matgen.F90
@@ -7,7 +7,9 @@ program d_matgen
   use psb_d_cxx_mat_mod
   use psb_d_cyy_mat_mod
   use psb_d_czz_mat_mod
+#ifdef HAVE_LIBRSB
   use psb_d_rsb_mat_mod
+#endif
   implicit none
 
   ! input parameters
@@ -33,8 +35,11 @@ program d_matgen
   integer            :: iter, itmax,itrace, istopc, irst
   integer(psb_long_int_k_) :: amatsize, precsize, descsize
   real(psb_dpk_)   :: err, eps
+#ifdef HAVE_LIBRSB
   type(psb_d_rsb_sparse_mat) :: arsb
+#endif
   type(psb_d_cyy_sparse_mat) :: acyy
+  type(psb_d_csr_sparse_mat) :: acsr
   type(psb_d_czz_sparse_mat) :: aczz
   type(psb_d_cxx_sparse_mat) :: acxx
   
@@ -44,9 +49,11 @@ program d_matgen
 
   info=psb_success_
 
-  info=psv_rsb_mat_init()
+#ifdef HAVE_LIBRSB
+  info=psb_rsb_matmod_init()
   if(info/=psb_success_)info=psb_err_from_subroutine_
   if(info/=psb_success_)goto 9999
+#endif
 
   call psb_init(ictxt)
   call psb_info(ictxt,iam,np)
@@ -73,7 +80,12 @@ program d_matgen
   !call create_matrix(idim,a,b,x,desc_a,ictxt,afmt,info,acyy)  
   !call create_matrix(idim,a,b,x,desc_a,ictxt,afmt,info,aczz)  
   !call create_matrix(idim,a,b,x,desc_a,ictxt,afmt,info,acxx)  
+#ifdef HAVE_LIBRSB
   call create_matrix(idim,a,b,x,desc_a,ictxt,afmt,info,arsb)  
+  !call psb_d_rsb_print(-1,arsb)! FIXME: is there a default for the integer arg ?
+#else
+  call create_matrix(idim,a,b,x,desc_a,ictxt,afmt,info,acsr)
+#endif
   call psb_barrier(ictxt)
   t2 = psb_wtime() - t1
   if(info /= psb_success_) then