From 466ab0113efe54c199812dfcc5ce00fa5552762f Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Tue, 31 Jul 2012 15:12:22 +0000
Subject: [PATCH] Also set -m64 in CFLAGS if we do so in CXXFLAGS.

git-svn-id: https://svn.dealii.org/trunk@25742 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/aclocal.m4         |   5 +
 deal.II/configure          | 849 +++++++++++++++++++------------------
 deal.II/doc/news/changes.h |   6 +
 3 files changed, 443 insertions(+), 417 deletions(-)

diff --git a/deal.II/aclocal.m4 b/deal.II/aclocal.m4
index b4f87c2abe..be5682fe56 100644
--- a/deal.II/aclocal.m4
+++ b/deal.II/aclocal.m4
@@ -590,6 +590,11 @@ AC_DEFUN(DEAL_II_SET_CXX_FLAGS, dnl
           CXXFLAGS="$CXXFLAGS -m64"
           CXXFLAGSG="$CXXFLAGSG -m64"
           CXXFLAGSO="$CXXFLAGSO -m64"
+
+          CFLAGS="$CFLAGS -m64"
+          CFLAGSG="$CFLAGSG -m64"
+          CFLAGSO="$CFLAGSO -m64"
+
           LDFLAGS="$LDFLAGS -m64"
         fi
 
diff --git a/deal.II/configure b/deal.II/configure
index 9b5cd40da2..791c48dcad 100755
--- a/deal.II/configure
+++ b/deal.II/configure
@@ -1,14 +1,14 @@
 #! /bin/sh
 # From configure.in Revision: 25657 .
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.65 for deal.II 7.2.pre.
+# Generated by GNU Autoconf 2.68 for deal.II 7.2.pre.
 #
 # Report bugs to <dealii@dealii.org>.
 #
 #
 # 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
@@ -92,6 +92,7 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -217,11 +218,18 @@ IFS=$as_save_IFS
   # We cannot yet assume a decent shell, so we have to provide a
 	# neutralization value for shells without unset; and this also
 	# works around shells that cannot unset nonexistent variables.
+	# Preserve -v and -x to the replacement shell.
 	BASH_ENV=/dev/null
 	ENV=/dev/null
 	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
 	export CONFIG_SHELL
-	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+	case $- in # ((((
+	  *v*x* | *x*v* ) as_opts=-vx ;;
+	  *v* ) as_opts=-v ;;
+	  *x* ) as_opts=-x ;;
+	  * ) as_opts= ;;
+	esac
+	exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"}
 fi
 
     if test x$as_have_required = xno; then :
@@ -320,7 +328,7 @@ $as_echo X"$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
@@ -360,19 +368,19 @@ 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
 
@@ -534,7 +542,7 @@ 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`
 
@@ -877,8 +885,9 @@ 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.
@@ -923,7 +932,7 @@ 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 $ac_user_opts in
@@ -949,7 +958,7 @@ do
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1153,7 +1162,7 @@ do
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1169,7 +1178,7 @@ do
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1199,8 +1208,8 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$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"
     ;;
 
   *=*)
@@ -1208,7 +1217,7 @@ 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 ;;
@@ -1218,7 +1227,7 @@ Try \`$0 --help' for more information."
     $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
   esac
@@ -1226,13 +1235,13 @@ 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: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
@@ -1255,7 +1264,7 @@ do
     [\\/$]* | ?:[\\/]* )  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: `$host'
@@ -1269,8 +1278,8 @@ target=$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
@@ -1285,9 +1294,9 @@ 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.
@@ -1326,11 +1335,11 @@ 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
@@ -1370,7 +1379,7 @@ 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
@@ -1633,9 +1642,9 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 deal.II configure 7.2.pre
-generated by GNU Autoconf 2.65
+generated by GNU Autoconf 2.68
 
-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
@@ -1679,7 +1688,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_compile
@@ -1717,7 +1726,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_compile
@@ -1763,7 +1772,7 @@ fi
   # interfere with the next link command; also delete a directory that is
   # left behind by Apple's compiler.  We do this before executing the actions.
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_link
@@ -1805,7 +1814,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
        ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_run
@@ -1818,7 +1827,7 @@ ac_fn_cxx_check_func ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1873,7 +1882,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_cxx_check_func
 
@@ -1886,7 +1895,7 @@ ac_fn_cxx_check_header_compile ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1904,7 +1913,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_cxx_check_header_compile
 
@@ -1929,7 +1938,7 @@ $as_echo "$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_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
 	 test ! -s conftest.err
        }; then :
@@ -1940,7 +1949,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_cpp
@@ -1953,10 +1962,10 @@ fi
 ac_fn_cxx_check_header_mongrel ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval \${$3+:} false; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 fi
 eval ac_res=\$$3
@@ -1992,7 +2001,7 @@ if ac_fn_cxx_try_cpp "$LINENO"; then :
 else
   ac_header_preproc=no
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
 $as_echo "$ac_header_preproc" >&6; }
 
@@ -2015,17 +2024,15 @@ $as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
 $as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
 $as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-( cat <<\_ASBOX
-## -------------------------------- ##
+( $as_echo "## -------------------------------- ##
 ## Report this to dealii@dealii.org ##
-## -------------------------------- ##
-_ASBOX
+## -------------------------------- ##"
      ) | sed "s/^/$as_me: WARNING:     /" >&2
     ;;
 esac
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=\$ac_header_compiler"
@@ -2034,7 +2041,7 @@ eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_cxx_check_header_mongrel
 cat >config.log <<_ACEOF
@@ -2042,7 +2049,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by deal.II $as_me 7.2.pre, which was
-generated by GNU Autoconf 2.65.  Invocation command line was
+generated by GNU Autoconf 2.68.  Invocation command line was
 
   $ $0 $@
 
@@ -2152,11 +2159,9 @@ trap 'exit_status=$?
   {
     echo
 
-    cat <<\_ASBOX
-## ---------------- ##
+    $as_echo "## ---------------- ##
 ## Cache variables. ##
-## ---------------- ##
-_ASBOX
+## ---------------- ##"
     echo
     # The following way of writing the cache mishandles newlines in values,
 (
@@ -2190,11 +2195,9 @@ $as_echo "$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
@@ -2207,11 +2210,9 @@ _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
@@ -2225,11 +2226,9 @@ _ASBOX
     fi
 
     if test -s confdefs.h; then
-      cat <<\_ASBOX
-## ----------- ##
+      $as_echo "## ----------- ##
 ## confdefs.h. ##
-## ----------- ##
-_ASBOX
+## ----------- ##"
       echo
       cat confdefs.h
       echo
@@ -2284,7 +2283,12 @@ _ACEOF
 ac_site_file1=NONE
 ac_site_file2=NONE
 if test -n "$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
@@ -2299,7 +2303,11 @@ 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
 
@@ -2363,7 +2371,7 @@ 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. ##
@@ -2386,16 +2394,22 @@ ac_config_headers="$ac_config_headers include/deal.II/base/config.h"
 
 ac_aux_dir=
 for ac_dir in contrib/config "$srcdir"/contrib/config; do
-  for ac_t in install-sh install.sh shtool; do
-    if test -f "$ac_dir/$ac_t"; then
-      ac_aux_dir=$ac_dir
-      ac_install_sh="$ac_aux_dir/$ac_t -c"
-      break 2
-    fi
-  done
+  if test -f "$ac_dir/install-sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f "$ac_dir/install.sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  elif test -f "$ac_dir/shtool"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
+  fi
 done
 if test -z "$ac_aux_dir"; then
-  as_fn_error "cannot find install-sh, install.sh, or shtool in contrib/config \"$srcdir\"/contrib/config" "$LINENO" 5
+  as_fn_error $? "cannot find install-sh, install.sh, or shtool in contrib/config \"$srcdir\"/contrib/config" "$LINENO" 5
 fi
 
 # These three variables are undocumented and unsupported,
@@ -2444,27 +2458,27 @@ DEAL2_DIR="$DEAL_II_PATH"
 
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
 $as_echo_n "checking build system type... " >&6; }
-if test "${ac_cv_build+set}" = set; then :
+if ${ac_cv_build+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
 test "x$ac_build_alias" = x &&
-  as_fn_error "cannot guess build type; you must specify one" "$LINENO" 5
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
 ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  as_fn_error "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
 
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
 $as_echo "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical build" "$LINENO" 5;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
 esac
 build=$ac_cv_build
 ac_save_IFS=$IFS; IFS='-'
@@ -2482,14 +2496,14 @@ case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
 $as_echo_n "checking host system type... " >&6; }
-if test "${ac_cv_host+set}" = set; then :
+if ${ac_cv_host+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
 fi
 
 fi
@@ -2497,7 +2511,7 @@ fi
 $as_echo "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical host" "$LINENO" 5;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
 esac
 host=$ac_cv_host
 ac_save_IFS=$IFS; IFS='-'
@@ -2515,14 +2529,14 @@ case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
 $as_echo_n "checking target system type... " >&6; }
-if test "${ac_cv_target+set}" = set; then :
+if ${ac_cv_target+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$target_alias" = x; then
   ac_cv_target=$ac_cv_host
 else
   ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` ||
-    as_fn_error "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
 fi
 
 fi
@@ -2530,7 +2544,7 @@ fi
 $as_echo "$ac_cv_target" >&6; }
 case $ac_cv_target in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical target" "$LINENO" 5;;
+*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;;
 esac
 target=$ac_cv_target
 ac_save_IFS=$IFS; IFS='-'
@@ -2587,7 +2601,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CXX+set}" = set; then :
+if ${ac_cv_prog_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CXX"; then
@@ -2626,7 +2640,7 @@ done
 	      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for MPI C++ compiler" >&5
 $as_echo_n "checking for MPI C++ compiler... " >&6; }
 	      if test "x$CXX" = "x" ; then
-                as_fn_error "none found" "$LINENO" 5
+                as_fn_error $? "none found" "$LINENO" 5
               else
 	        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
 $as_echo "$CXX" >&6; }
@@ -2641,7 +2655,7 @@ $as_echo_n "checking for MPI C compiler... " >&6; }
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: mpicc" >&5
 $as_echo "mpicc" >&6; }
               else
-	      	as_fn_error "no MPI C compiler found" "$LINENO" 5
+	      	as_fn_error $? "no MPI C compiler found" "$LINENO" 5
               fi
             fi
 
@@ -2663,7 +2677,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2703,7 +2717,7 @@ if test -z "$ac_cv_prog_CC"; then
 set dummy gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2756,7 +2770,7 @@ if test -z "$CC"; then
 set dummy ${ac_tool_prefix}cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2796,7 +2810,7 @@ if test -z "$CC"; then
 set dummy cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2855,7 +2869,7 @@ if test -z "$CC"; then
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2899,7 +2913,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2953,8 +2967,8 @@ 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
@@ -3068,9 +3082,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "C compiler cannot create executables
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "C compiler cannot create executables
+See \`config.log' for more details" "$LINENO" 5; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
@@ -3112,8 +3125,8 @@ 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
@@ -3170,9 +3183,9 @@ $as_echo "$ac_try_echo"; } >&5
     else
 	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run C compiled programs.
+as_fn_error $? "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
@@ -3183,7 +3196,7 @@ rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 $as_echo_n "checking for suffix of object files... " >&6; }
-if test "${ac_cv_objext+set}" = set; then :
+if ${ac_cv_objext+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3223,8 +3236,8 @@ 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
@@ -3234,7 +3247,7 @@ OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
 $as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+if ${ac_cv_c_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3271,7 +3284,7 @@ ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then :
+if ${ac_cv_prog_cc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -3349,7 +3362,7 @@ else
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
 $as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then :
+if ${ac_cv_prog_cc_c89+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -3462,7 +3475,7 @@ CFLAGS="$OLDCFLAGS"
 set dummy $testprog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_CC+set}" = set; then :
+if ${ac_cv_path_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CC in
@@ -3518,7 +3531,7 @@ if test -z "$CXX"; then
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CXX+set}" = set; then :
+if ${ac_cv_prog_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CXX"; then
@@ -3562,7 +3575,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CXX"; then
@@ -3640,7 +3653,7 @@ done
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
 $as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
-if test "${ac_cv_cxx_compiler_gnu+set}" = set; then :
+if ${ac_cv_cxx_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3677,7 +3690,7 @@ ac_test_CXXFLAGS=${CXXFLAGS+set}
 ac_save_CXXFLAGS=$CXXFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
 $as_echo_n "checking whether $CXX accepts -g... " >&6; }
-if test "${ac_cv_prog_cxx_g+set}" = set; then :
+if ${ac_cv_prog_cxx_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_cxx_werror_flag=$ac_cxx_werror_flag
@@ -3777,7 +3790,7 @@ CXXFLAGS="$OLDCXXFLAGS"
 set dummy $testprog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_CXX+set}" = set; then :
+if ${ac_cv_path_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CXX in
@@ -3868,14 +3881,14 @@ $as_echo "C++ compiler is IBM xlC" >&6; }
           *7.0* | *7.1* | *7.2* | *7.3*)
                                     { $as_echo "$as_me:${as_lineno-$LINENO}: result: C++ compiler is $mips_pro" >&5
 $as_echo "C++ compiler is $mips_pro" >&6; }
-            as_fn_error "This compiler is not supported" "$LINENO" 5
+            as_fn_error $? "This compiler is not supported" "$LINENO" 5
             GXX_VERSION=MIPSpro7.3
             GXX_VERSION_DETAILED="$GXX_VERSION"
             ;;
           *7.4)
             { $as_echo "$as_me:${as_lineno-$LINENO}: result: C++ compiler is MIPSpro compiler 7.4" >&5
 $as_echo "C++ compiler is MIPSpro compiler 7.4" >&6; }
-            as_fn_error "This compiler is not supported. Use MIPSPro compiler 7.4x" "$LINENO" 5
+            as_fn_error $? "This compiler is not supported. Use MIPSPro compiler 7.4x" "$LINENO" 5
             GXX_VERSION=MIPSpro7.4
             GXX_VERSION_DETAILED="$GXX_VERSION"
             ;;
@@ -4321,8 +4334,8 @@ $as_echo_n "checking whether std::thread actually works... " >&6; }
   if test "$cross_compiling" = yes; then :
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run test program while cross compiling
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4722,6 +4735,11 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
           CXXFLAGS="$CXXFLAGS -m64"
           CXXFLAGSG="$CXXFLAGSG -m64"
           CXXFLAGSO="$CXXFLAGSO -m64"
+
+          CFLAGS="$CFLAGS -m64"
+          CFLAGSG="$CFLAGSG -m64"
+          CFLAGSO="$CFLAGSO -m64"
+
           LDFLAGS="$LDFLAGS -m64"
         fi
 
@@ -5090,8 +5108,8 @@ $as_echo_n "checking whether std::thread actually works... " >&6; }
   if test "$cross_compiling" = yes; then :
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run test program while cross compiling
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -5361,9 +5379,8 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
           CXXFLAGSO="$CXXFLAGSO -q -O2"
           CXXFLAGSPIC=""
           LDFLAGSPIC=""
-          { as_fn_set_status please remove this message from aclocal.m4 and call autoconf and configure. If you do not understand this
-as_fn_error "Attention! deal.II is not known to work with Borland C++!
-                If you intend to port it to Borland C++" "$LINENO" 5; }
+          as_fn_error please remove this message from aclocal.m4 and call autoconf and configure. If you do not understand this "Attention! deal.II is not known to work with Borland C++!
+                If you intend to port it to Borland C++" "$LINENO" 5
           ;;
 
       pathscale_cc)
@@ -5526,13 +5543,13 @@ $as_echo "C compiler is IBM xlC" >&6; }
           *7.0* | *7.1* | *7.2* | *7.3*)
                                     { $as_echo "$as_me:${as_lineno-$LINENO}: result: C compiler is $mips_pro" >&5
 $as_echo "C compiler is $mips_pro" >&6; }
-            as_fn_error "This compiler is not supported" "$LINENO" 5
+            as_fn_error $? "This compiler is not supported" "$LINENO" 5
             CC_VERSION=MIPSpro7.3
             ;;
           *7.4)
             { $as_echo "$as_me:${as_lineno-$LINENO}: result: C compiler is MIPSpro compiler 7.4" >&5
 $as_echo "C compiler is MIPSpro compiler 7.4" >&6; }
-            as_fn_error "This compiler is not supported. Use MIPSPro compiler 7.4x" "$LINENO" 5
+            as_fn_error $? "This compiler is not supported. Use MIPSPro compiler 7.4x" "$LINENO" 5
             CC_VERSION=MIPSpro7.4
             ;;
           *7.41* | *7.42* | *7.43* | *7.44*)
@@ -5850,7 +5867,7 @@ fi
   if test "$enablethreads" = yes ; then
         case "$target" in
       *cygwin* )
-        as_fn_error "Multithreading is not supported on CygWin" "$LINENO" 5
+        as_fn_error $? "Multithreading is not supported on CygWin" "$LINENO" 5
         ;;
     esac
 
@@ -5899,7 +5916,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
         if test "$thread_flag" = invalid_last_entry ; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: result: no flag found!" >&5
 $as_echo "no flag found!" >&6; }
-          as_fn_error "Could not determine multithreading flag for this platform. Aborting!" "$LINENO" 5
+          as_fn_error $? "Could not determine multithreading flag for this platform. Aborting!" "$LINENO" 5
         fi
         { $as_echo "$as_me:${as_lineno-$LINENO}: result: -$thread_flag" >&5
 $as_echo "-$thread_flag" >&6; }
@@ -5981,7 +5998,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
             ;;
 
         *)
-            as_fn_error "No threading compiler options for this C++ compiler specified at present" "$LINENO" 5
+            as_fn_error $? "No threading compiler options for this C++ compiler specified at present" "$LINENO" 5
             exit 1
             ;;
       esac
@@ -6021,7 +6038,7 @@ $as_echo "ok" >&6; }
 
 else
 
-        as_fn_error "not found" "$LINENO" 5
+        as_fn_error $? "not found" "$LINENO" 5
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -6060,7 +6077,7 @@ $as_echo "ok" >&6; }
 
 else
 
-        as_fn_error "not found" "$LINENO" 5
+        as_fn_error $? "not found" "$LINENO" 5
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -6102,7 +6119,7 @@ $as_echo "ok" >&6; }
 
 else
 
-        as_fn_error "not found" "$LINENO" 5
+        as_fn_error $? "not found" "$LINENO" 5
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -8465,8 +8482,8 @@ $as_echo_n "checking for minimal std::vector<T> capacity... " >&6; }
   if test "$cross_compiling" = yes; then :
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run test program while cross compiling
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8482,7 +8499,7 @@ int main () {
 _ACEOF
 if ac_fn_cxx_try_run "$LINENO"; then :
 
-                    as_fn_error "impossible result -- aborting" "$LINENO" 5
+                    as_fn_error $? "impossible result -- aborting" "$LINENO" 5
 
 else
 
@@ -8507,8 +8524,8 @@ $as_echo_n "checking for minimal std::vector<bool> capacity... " >&6; }
   if test "$cross_compiling" = yes; then :
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run test program while cross compiling
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8524,7 +8541,7 @@ int main () {
 _ACEOF
 if ac_fn_cxx_try_run "$LINENO"; then :
 
-                    as_fn_error "impossible result -- aborting" "$LINENO" 5
+                    as_fn_error $? "impossible result -- aborting" "$LINENO" 5
 
 else
 
@@ -9069,8 +9086,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -9091,7 +9107,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
 $as_echo_n "checking how to run the C++ preprocessor... " >&6; }
 if test -z "$CXXCPP"; then
-  if test "${ac_cv_prog_CXXCPP+set}" = set; then :
+  if ${ac_cv_prog_CXXCPP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CXXCPP needs to be expanded
@@ -9121,7 +9137,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$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.
@@ -9137,11 +9153,11 @@ 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 $ac_preproc_ok; then :
   break
 fi
@@ -9180,7 +9196,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$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.
@@ -9196,18 +9212,18 @@ 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 \`$ac_pwd':" >&2;}
-as_fn_error "C++ preprocessor \"$CXXCPP\" fails sanity check
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 ac_ext=cpp
@@ -9219,7 +9235,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then :
+if ${ac_cv_path_GREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -9268,7 +9284,7 @@ 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
@@ -9282,7 +9298,7 @@ $as_echo "$ac_cv_path_GREP" >&6; }
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then :
+if ${ac_cv_path_EGREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -9334,7 +9350,7 @@ esac
   done
 IFS=$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
@@ -9349,7 +9365,7 @@ $as_echo "$ac_cv_path_EGREP" >&6; }
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then :
+if ${ac_cv_header_stdc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -9466,8 +9482,7 @@ do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_cxx_check_header_compile "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -9485,8 +9500,7 @@ do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_cxx_check_header_compile "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -9504,7 +9518,7 @@ done
 for ac_func in times
 do :
   ac_fn_cxx_check_func "$LINENO" "times" "ac_cv_func_times"
-if test "x$ac_cv_func_times" = x""yes; then :
+if test "x$ac_cv_func_times" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_TIMES 1
 _ACEOF
@@ -9525,8 +9539,8 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
   if test "$cross_compiling" = yes; then :
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run test program while cross compiling
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -9582,7 +9596,7 @@ if test "x$F77" = "x" ; then
 set dummy gfortran f77 g77; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_F77+set}" = set; then :
+if ${ac_cv_path_F77+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $F77 in
@@ -9623,7 +9637,7 @@ else
 set dummy $F77; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_F77+set}" = set; then :
+if ${ac_cv_path_F77+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $F77 in
@@ -9752,7 +9766,7 @@ $as_echo "F77 compiler is unknown. no flags set!" >&6; }
 
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for e_wsfe in -lg2c" >&5
 $as_echo_n "checking for e_wsfe in -lg2c... " >&6; }
-if test "${ac_cv_lib_g2c_e_wsfe+set}" = set; then :
+if ${ac_cv_lib_g2c_e_wsfe+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9786,14 +9800,14 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_g2c_e_wsfe" >&5
 $as_echo "$ac_cv_lib_g2c_e_wsfe" >&6; }
-if test "x$ac_cv_lib_g2c_e_wsfe" = x""yes; then :
+if test "x$ac_cv_lib_g2c_e_wsfe" = xyes; then :
    F77LIBS="$F77LIBS -lg2c"
 fi
 
 
                                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _gfortran_allocate in -lgfortran" >&5
 $as_echo_n "checking for _gfortran_allocate in -lgfortran... " >&6; }
-if test "${ac_cv_lib_gfortran__gfortran_allocate+set}" = set; then :
+if ${ac_cv_lib_gfortran__gfortran_allocate+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9827,13 +9841,13 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gfortran__gfortran_allocate" >&5
 $as_echo "$ac_cv_lib_gfortran__gfortran_allocate" >&6; }
-if test "x$ac_cv_lib_gfortran__gfortran_allocate" = x""yes; then :
+if test "x$ac_cv_lib_gfortran__gfortran_allocate" = xyes; then :
   found=1
 fi
 
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _gfortran_st_write_done in -lgfortran" >&5
 $as_echo_n "checking for _gfortran_st_write_done in -lgfortran... " >&6; }
-if test "${ac_cv_lib_gfortran__gfortran_st_write_done+set}" = set; then :
+if ${ac_cv_lib_gfortran__gfortran_st_write_done+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9867,7 +9881,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gfortran__gfortran_st_write_done" >&5
 $as_echo "$ac_cv_lib_gfortran__gfortran_st_write_done" >&6; }
-if test "x$ac_cv_lib_gfortran__gfortran_st_write_done" = x""yes; then :
+if test "x$ac_cv_lib_gfortran__gfortran_st_write_done" = xyes; then :
   found=1
 fi
 
@@ -9917,7 +9931,7 @@ $as_echo "Unknown FORTRAN compiler has been disabled!" >&6; }
         ;;
 
                     *)
-        as_fn_error "No compiler options for F77 compiler \"$F77_VERSION\" specified: modification of aclocal.m4 necessary" "$LINENO" 5
+        as_fn_error $? "No compiler options for F77 compiler \"$F77_VERSION\" specified: modification of aclocal.m4 necessary" "$LINENO" 5
         ;;
   esac
 
@@ -10136,7 +10150,7 @@ rm -f core conftest.err conftest.$ac_objext \
 set dummy ar; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AR+set}" = set; then :
+if ${ac_cv_prog_AR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AR"; then
@@ -10173,7 +10187,7 @@ fi
 set dummy $AR; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_AR+set}" = set; then :
+if ${ac_cv_path_AR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $AR in
@@ -10214,7 +10228,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_RANLIB+set}" = set; then :
+if ${ac_cv_prog_RANLIB+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$RANLIB"; then
@@ -10254,7 +10268,7 @@ if test -z "$ac_cv_prog_RANLIB"; then
 set dummy ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then :
+if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_RANLIB"; then
@@ -10306,7 +10320,7 @@ if test "$RANLIB" != ":" ; then
 set dummy $RANLIB; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_RANLIB+set}" = set; then :
+if ${ac_cv_path_RANLIB+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $RANLIB in
@@ -10405,7 +10419,7 @@ fi
 $as_echo "Disabling backward compatibility feature: \"$i\"" >&6; }
         ;;
       *)
-        as_fn_error "Backward compatibility feature \"$i\" unknown" "$LINENO" 5
+        as_fn_error $? "Backward compatibility feature \"$i\" unknown" "$LINENO" 5
         ;;
     esac
   done
@@ -10428,7 +10442,7 @@ _ACEOF
         ;;
 
       *)
-        as_fn_error "Backward compatibility feature \"$i\" unknown" "$LINENO" 5
+        as_fn_error $? "Backward compatibility feature \"$i\" unknown" "$LINENO" 5
         ;;
     esac
   done
@@ -10472,26 +10486,26 @@ fi
   LDFLAGS="$BOOST_LIB_DIR $LDFLAGS"
 
   ac_fn_cxx_check_header_mongrel "$LINENO" "boost/shared_ptr.hpp" "ac_cv_header_boost_shared_ptr_hpp" "$ac_includes_default"
-if test "x$ac_cv_header_boost_shared_ptr_hpp" = x""yes; then :
+if test "x$ac_cv_header_boost_shared_ptr_hpp" = xyes; then :
 
 else
-  as_fn_error "Your boost installation is incomplete!" "$LINENO" 5
+  as_fn_error $? "Your boost installation is incomplete!" "$LINENO" 5
 fi
 
 
   ac_fn_cxx_check_header_mongrel "$LINENO" "boost/type_traits.hpp" "ac_cv_header_boost_type_traits_hpp" "$ac_includes_default"
-if test "x$ac_cv_header_boost_type_traits_hpp" = x""yes; then :
+if test "x$ac_cv_header_boost_type_traits_hpp" = xyes; then :
 
 else
-  as_fn_error "Your boost installation is incomplete!" "$LINENO" 5
+  as_fn_error $? "Your boost installation is incomplete!" "$LINENO" 5
 fi
 
 
   ac_fn_cxx_check_header_mongrel "$LINENO" "boost/tuple/tuple.hpp" "ac_cv_header_boost_tuple_tuple_hpp" "$ac_includes_default"
-if test "x$ac_cv_header_boost_tuple_tuple_hpp" = x""yes; then :
+if test "x$ac_cv_header_boost_tuple_tuple_hpp" = xyes; then :
 
 else
-  as_fn_error "Your boost installation is incomplete!" "$LINENO" 5
+  as_fn_error $? "Your boost installation is incomplete!" "$LINENO" 5
 fi
 
 
@@ -10668,7 +10682,7 @@ $as_echo "$DEAL_II_PETSC_DIR" >&6; }
 
                     if test ! -d $DEAL_II_PETSC_DIR/include \
                ; then
-            as_fn_error "Path to PETSc specified with --with-petsc does not point to a complete PETSc installation" "$LINENO" 5
+            as_fn_error $? "Path to PETSc specified with --with-petsc does not point to a complete PETSc installation" "$LINENO" 5
           fi
         fi
 
@@ -10682,7 +10696,7 @@ $as_echo "$DEAL_II_PETSC_DIR" >&6; }
 
                     if test ! -d $DEAL_II_PETSC_DIR/include \
                ; then
-            as_fn_error "The path to PETSc specified in the PETSC_DIR environment variable does not point to a complete PETSc installation" "$LINENO" 5
+            as_fn_error $? "The path to PETSc specified in the PETSC_DIR environment variable does not point to a complete PETSc installation" "$LINENO" 5
           fi
         else
           USE_CONTRIB_PETSC=no
@@ -10753,7 +10767,7 @@ else
                  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DEAL_II_PETSC_ARCH" >&5
 $as_echo "$DEAL_II_PETSC_ARCH" >&6; }
                else
-                 as_fn_error "If PETSc is used, you must specify the architecture either through the PETSC_ARCH environment variable, or through the --with-petsc-arch flag" "$LINENO" 5
+                 as_fn_error $? "If PETSc is used, you must specify the architecture either through the PETSC_ARCH environment variable, or through the --with-petsc-arch flag" "$LINENO" 5
                fi
 
 fi
@@ -10764,15 +10778,15 @@ fi
                 case "${DEAL_II_PETSC_VERSION_MAJOR}.${DEAL_II_PETSC_VERSION_MINOR}.${DEAL_II_PETSC_VERSION_SUBMINOR}" in
       2.3*)         if test ! -d $DEAL_II_PETSC_DIR/lib/$DEAL_II_PETSC_ARCH \
            ; then
-          as_fn_error "PETSc has not been compiled for the architecture specified with --with-petsc-arch" "$LINENO" 5
+          as_fn_error $? "PETSc has not been compiled for the architecture specified with --with-petsc-arch" "$LINENO" 5
         fi
         ;;
       3.*)         if test ! -d $DEAL_II_PETSC_DIR/$DEAL_II_PETSC_ARCH/lib \
            ; then
-          as_fn_error "PETSc has not been compiled for the architecture specified with --with-petsc-arch" "$LINENO" 5
+          as_fn_error $? "PETSc has not been compiled for the architecture specified with --with-petsc-arch" "$LINENO" 5
         fi
         ;;
-      *)            as_fn_error "Unknown PETSc version ${DEAL_II_PETSC_VERSION_MAJOR}.${DEAL_II_PETSC_VERSION_MINOR}.${DEAL_II_PETSC_VERSION_SUBMINOR}" "$LINENO" 5
+      *)            as_fn_error $? "Unknown PETSc version ${DEAL_II_PETSC_VERSION_MAJOR}.${DEAL_II_PETSC_VERSION_MINOR}.${DEAL_II_PETSC_VERSION_SUBMINOR}" "$LINENO" 5
         ;;
     esac
   fi
@@ -10790,7 +10804,7 @@ $as_echo_n "checking for PETSc libmpiuni library... " >&6; }
         DEAL_II_PETSC_MPIUNI_LIB="$DEAL_II_PETSC_DIR/$DEAL_II_PETSC_ARCH/lib/libmpiuni.a"
       fi
       ;;
-    *)          as_fn_error "Unknown PETSc version ${DEAL_II_PETSC_VERSION_MAJOR}.${DEAL_II_PETSC_VERSION_MINOR}.${DEAL_II_PETSC_VERSION_SUBMINOR}" "$LINENO" 5
+    *)          as_fn_error $? "Unknown PETSc version ${DEAL_II_PETSC_VERSION_MAJOR}.${DEAL_II_PETSC_VERSION_MINOR}.${DEAL_II_PETSC_VERSION_SUBMINOR}" "$LINENO" 5
     ;;
   esac
 
@@ -10828,7 +10842,7 @@ if ac_fn_cxx_try_compile "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 else
-  as_fn_error "PETSc was not built for MPI, but deal.II is!
+  as_fn_error $? "PETSc was not built for MPI, but deal.II is!
         " "$LINENO" 5
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -10852,12 +10866,12 @@ if ac_fn_cxx_try_compile "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 else
-  as_fn_error "PETSc was not built for MPI, but deal.II is!
+  as_fn_error $? "PETSc was not built for MPI, but deal.II is!
         " "$LINENO" 5
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
       ;;
-      *)         as_fn_error "Unknown PETSc version ${DEAL_II_PETSC_VERSION_MAJOR}.${DEAL_II_PETSC_VERSION_MINOR}.${DEAL_II_PETSC_VERSION_SUBMINOR}" "$LINENO" 5
+      *)         as_fn_error $? "Unknown PETSc version ${DEAL_II_PETSC_VERSION_MAJOR}.${DEAL_II_PETSC_VERSION_MINOR}.${DEAL_II_PETSC_VERSION_SUBMINOR}" "$LINENO" 5
       ;;
     esac
   else
@@ -10881,7 +10895,7 @@ if ac_fn_cxx_try_compile "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 else
-  as_fn_error "PETSc was built for MPI, but deal.II is not!
+  as_fn_error $? "PETSc was built for MPI, but deal.II is not!
         " "$LINENO" 5
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -10904,12 +10918,12 @@ if ac_fn_cxx_try_compile "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 else
-  as_fn_error "PETSc was built for MPI, but deal.II is not!" "$LINENO" 5
+  as_fn_error $? "PETSc was built for MPI, but deal.II is not!" "$LINENO" 5
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
       ;;
-      *)         as_fn_error "Unknown PETSc version ${DEAL_II_PETSC_VERSION_MAJOR}.${DEAL_II_PETSC_VERSION_MINOR}.${DEAL_II_PETSC_VERSION_SUBMINOR}" "$LINENO" 5
+      *)         as_fn_error $? "Unknown PETSc version ${DEAL_II_PETSC_VERSION_MAJOR}.${DEAL_II_PETSC_VERSION_MINOR}.${DEAL_II_PETSC_VERSION_SUBMINOR}" "$LINENO" 5
       ;;
     esac
   fi
@@ -10984,13 +10998,13 @@ $as_echo "$DEAL_II_SLEPC_DIR" >&6; }
                                 if test ! -d $DEAL_II_SLEPC_DIR \
                     -o ! -d $DEAL_II_SLEPC_DIR/include \
                     ; then
-                 as_fn_error "Path to SLEPc specified with --with-slepc does not point to a complete SLEPc installation" "$LINENO" 5
+                 as_fn_error $? "Path to SLEPc specified with --with-slepc does not point to a complete SLEPc installation" "$LINENO" 5
                fi
 
                if test ! -d $DEAL_II_SLEPC_DIR/$DEAL_II_PETSC_ARCH \
                     -o ! -d $DEAL_II_SLEPC_DIR/$DEAL_II_PETSC_ARCH/lib \
                     ; then
-            as_fn_error "SLEPc has not been compiled for the PETSc architecture" "$LINENO" 5
+            as_fn_error $? "SLEPc has not been compiled for the PETSc architecture" "$LINENO" 5
                fi
                fi
 
@@ -11004,7 +11018,7 @@ $as_echo "$DEAL_II_SLEPC_DIR" >&6; }
                               if test ! -d $DEAL_II_SLEPC_DIR \
                     -o ! -d $DEAL_II_SLEPC_DIR/include \
                     ; then
-                 as_fn_error "The path to SLEPc specified in the SLEPC_DIR environment variable does not point to a complete SLEPc installation" "$LINENO" 5
+                 as_fn_error $? "The path to SLEPc specified in the SLEPC_DIR environment variable does not point to a complete SLEPc installation" "$LINENO" 5
                fi
                else
                  USE_CONTRIB_SLEPC=no
@@ -11054,7 +11068,7 @@ $as_echo "$SLEPC_VERSION" >&6; }
           if test "${PETSC_VERSION}" != "${SLEPC_VERSION}" \
        -o "${PETSC_RELEASE}" != "${SLEPC_RELEASE}" \
        ; then
-          as_fn_error "If SLEPc is used, you must use the same version number as your PETSc Installation" "$LINENO" 5
+          as_fn_error $? "If SLEPc is used, you must use the same version number as your PETSc Installation" "$LINENO" 5
   fi
 
 
@@ -11089,7 +11103,7 @@ $as_echo "$DEAL_II_TRILINOS_DIR" >&6; }
 
                     if test ! -d $DEAL_II_TRILINOS_DIR/include \
                -o ! -d $DEAL_II_TRILINOS_DIR/lib ; then
-            as_fn_error "Path to Trilinos specified with --with-trilinos does not point to a complete Trilinos installation" "$LINENO" 5
+            as_fn_error $? "Path to Trilinos specified with --with-trilinos does not point to a complete Trilinos installation" "$LINENO" 5
           fi
 
           DEAL_II_TRILINOS_INCDIR="$DEAL_II_TRILINOS_DIR/include"
@@ -11111,7 +11125,7 @@ $as_echo "$DEAL_II_TRILINOS_DIR" >&6; }
 
                         if test ! -d $DEAL_II_TRILINOS_DIR/include \
                  -o ! -d $DEAL_II_TRILINOS_DIR/lib ; then
-              as_fn_error "The path to Trilinos specified in the TRILINOS_DIR environment variable does not point to a complete Trilinos installation" "$LINENO" 5
+              as_fn_error $? "The path to Trilinos specified in the TRILINOS_DIR environment variable does not point to a complete Trilinos installation" "$LINENO" 5
             fi
             DEAL_II_TRILINOS_INCDIR="$DEAL_II_TRILINOS_DIR/include"
             DEAL_II_TRILINOS_LIBDIR="$DEAL_II_TRILINOS_DIR/lib"
@@ -11144,7 +11158,7 @@ $as_echo "explicitly disabled" >&6; }
 $as_echo "$DEAL_II_TRILINOS_INCDIR" >&6; }
 
                     if test ! -d $DEAL_II_TRILINOS_INCDIR ; then
-            as_fn_error "Path to Trilinos specified with --with-trilinos-include does not point to a complete Trilinos installation" "$LINENO" 5
+            as_fn_error $? "Path to Trilinos specified with --with-trilinos-include does not point to a complete Trilinos installation" "$LINENO" 5
           fi
         fi
 
@@ -11157,7 +11171,7 @@ else
 $as_echo "$DEAL_II_TRILINOS_INCDIR" >&6; }
 
                     if test ! -d $DEAL_II_TRILINOS_INCDIR ; then
-            as_fn_error "The path to Trilinos includes specified in the TRILINOS_INCDIR environment variable does not point to a valid directory" "$LINENO" 5
+            as_fn_error $? "The path to Trilinos includes specified in the TRILINOS_INCDIR environment variable does not point to a valid directory" "$LINENO" 5
           fi
         else
                                         if test "x${USE_CONTRIB_TRILINOS}" != "xyes" ; then
@@ -11192,7 +11206,7 @@ $as_echo "explicitly disabled" >&6; }
 $as_echo "$DEAL_II_TRILINOS_LIBDIR" >&6; }
 
                     if test ! -d $DEAL_II_TRILINOS_LIBDIR ; then
-            as_fn_error "Path to Trilinos libraries with --with-trilinos-libs does not point to a valid directory" "$LINENO" 5
+            as_fn_error $? "Path to Trilinos libraries with --with-trilinos-libs does not point to a valid directory" "$LINENO" 5
           fi
         fi
 
@@ -11205,7 +11219,7 @@ else
 $as_echo "$DEAL_II_TRILINOS_LIBDIR" >&6; }
 
                     if test ! -d $DEAL_II_TRILINOS_LIBDIR ; then
-            as_fn_error "The path to Trilinos specified in the TRILINOS_LIBDIR environment variable does not point to a complete Trilinos installation" "$LINENO" 5
+            as_fn_error $? "The path to Trilinos specified in the TRILINOS_LIBDIR environment variable does not point to a complete Trilinos installation" "$LINENO" 5
           fi
         else
                                         if test "x${USE_CONTRIB_TRILINOS}" != "xyes" ; then
@@ -11247,17 +11261,17 @@ $as_echo_n "checking for Trilinos version... " >&6; }
 $as_echo "$DEAL_II_TRILINOS_VERSION_MAJOR.$DEAL_II_TRILINOS_VERSION_MINOR.$DEAL_II_TRILINOS_VERSION_SUBMINOR" >&6; }
 
           if test "$DEAL_II_TRILINOS_VERSION_MAJOR" -lt 10 ; then
-    as_fn_error "Trilinos versions prior to 10.0 are no longer supported with deal.II." "$LINENO" 5
+    as_fn_error $? "Trilinos versions prior to 10.0 are no longer supported with deal.II." "$LINENO" 5
   fi
 
               if test "$DEAL_II_TRILINOS_VERSION_MAJOR" = 10 -a "$DEAL_II_TRILINOS_VERSION_MINOR" = 6 ; then
-    as_fn_error "Trilinos versions 10.6.x have bugs that make it incompatible
+    as_fn_error $? "Trilinos versions 10.6.x have bugs that make it incompatible
                   with deal.II. Please use versions before 10.6 or after 10.8.1." "$LINENO" 5
   fi
   if test "$DEAL_II_TRILINOS_VERSION_MAJOR" = 10 \
        -a "$DEAL_II_TRILINOS_VERSION_MINOR" = 8  \
        -a "$DEAL_II_TRILINOS_VERSION_SUBMINOR" -lt 2 ; then
-    as_fn_error "Trilinos versions 10.8.0 and 10.8.1 have bugs that make it incompatible
+    as_fn_error $? "Trilinos versions 10.8.0 and 10.8.1 have bugs that make it incompatible
                   with deal.II. Please use versions before 10.6 or after 10.8.1." "$LINENO" 5
   fi
 
@@ -11322,7 +11336,7 @@ $as_echo "yes" >&6; }
 
 else
 
-        as_fn_error "Trilinos was not built for MPI, but deal.II is!" "$LINENO" 5
+        as_fn_error $? "Trilinos was not built for MPI, but deal.II is!" "$LINENO" 5
         exit 1;
 
 fi
@@ -11352,7 +11366,7 @@ $as_echo "yes" >&6; }
 
 else
 
-        as_fn_error "Trilinos was built for MPI, but deal.II is not!" "$LINENO" 5
+        as_fn_error $? "Trilinos was built for MPI, but deal.II is not!" "$LINENO" 5
         exit 1;
 
 fi
@@ -11396,16 +11410,16 @@ $as_echo "no" >&6; }
   fi
 
     if test "x${DEAL_II_TRILINOS_SHARED}${DEAL_II_TRILINOS_STATIC}" = "x" ; then
-    as_fn_error "Unable to determine whether Trilinos uses shared or static libraries." "$LINENO" 5
+    as_fn_error $? "Unable to determine whether Trilinos uses shared or static libraries." "$LINENO" 5
   fi
 
 
       if test "x$enableshared" = "xyes" -a "x$DEAL_II_TRILINOS_SHARED" != "xyes" ; then
-    as_fn_error "When building deal.II with shared libraries, Trilinos also needs to be built with shared libraries" "$LINENO" 5
+    as_fn_error $? "When building deal.II with shared libraries, Trilinos also needs to be built with shared libraries" "$LINENO" 5
   fi
 
   if test "x$enableshared" = "xno" -a "x$DEAL_II_TRILINOS_STATIC" != "xyes" ; then
-    as_fn_error "When building deal.II with shared libraries, Trilinos also needs to be built with shared libraries" "$LINENO" 5
+    as_fn_error $? "When building deal.II with shared libraries, Trilinos also needs to be built with shared libraries" "$LINENO" 5
   fi
 
       if test "x$enableshared" = "xyes" ; then
@@ -11435,7 +11449,7 @@ $as_echo_n "checking for the set of Trilinos libraries... " >&6; }
               $DEAL_II_TRILINOS_VERSION_MINOR -lt 4 ; then
         :
       else
-        as_fn_error "package file TrilinosConfig.cmake not found" "$LINENO" 5
+        as_fn_error $? "package file TrilinosConfig.cmake not found" "$LINENO" 5
       fi
       DEAL_II_TRILINOS_LIBS="stratimikosamesos stratimikosaztecoo stratimikosifpack stratimikosml stratimikos ml amesos belos ifpack aztecoo rtop sacado thyra thyraepetra thyraepetraext epetraext epetra teuchos triutils"
     fi
@@ -11574,12 +11588,12 @@ else
 
         { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-        as_fn_error "*** Your Trilinos installation is not compatible with the C++ standard selected for this compiler. See the deal.II FAQ page for a solution. ***" "$LINENO" 5
+        as_fn_error $? "*** Your Trilinos installation is not compatible with the C++ standard selected for this compiler. See the deal.II FAQ page for a solution. ***" "$LINENO" 5
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   else
-    as_fn_error "File $DEAL_II_TRILINOS_INCDIR/Sacado_cmath.hpp not found." "$LINENO" 5
+    as_fn_error $? "File $DEAL_II_TRILINOS_INCDIR/Sacado_cmath.hpp not found." "$LINENO" 5
   fi
 
     for ac_header in Amesos.h \
@@ -11604,15 +11618,14 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_cxx_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
 
 else
 
-                     as_fn_error "The Trilinos installation is missing one or more header files necessary for the deal.II Trilinos interfaces. Please re-install Trilinos with the missing Trilinos sub-packages enabled." "$LINENO" 5
+                     as_fn_error $? "The Trilinos installation is missing one or more header files necessary for the deal.II Trilinos interfaces. Please re-install Trilinos with the missing Trilinos sub-packages enabled." "$LINENO" 5
 
 fi
 
@@ -11665,7 +11678,7 @@ $as_echo "explicitly disabled" >&6; }
 $as_echo "$DEAL_II_ARPACK_DIR" >&6; }
               if test ! -d $DEAL_II_ARPACK_DIR \
           ; then
-         as_fn_error "Path to ARPACK specified with --with-arpack does not point to a complete ARPACK installation" "$LINENO" 5
+         as_fn_error $? "Path to ARPACK specified with --with-arpack does not point to a complete ARPACK installation" "$LINENO" 5
        fi
 
                             { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ARPACK library architecture" >&5
@@ -11714,7 +11727,7 @@ $as_echo "$DEAL_II_MUMPS_DIR" >&6; }
             -o ! -d $DEAL_II_MUMPS_DIR/include \
             -o ! -d $DEAL_II_MUMPS_DIR/lib     \
           ; then
-         as_fn_error "Path to MUMPS specified with --with-mumps does not point to a complete MUMPS installation" "$LINENO" 5
+         as_fn_error $? "Path to MUMPS specified with --with-mumps does not point to a complete MUMPS installation" "$LINENO" 5
        fi
      fi
 
@@ -11737,11 +11750,11 @@ if test "${with_scalapack+set}" = set; then :
        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DEAL_II_SCALAPACK_DIR" >&5
 $as_echo "$DEAL_II_SCALAPACK_DIR" >&6; }
               if test ! -d $DEAL_II_SCALAPCK_DIR ; then
-         as_fn_error "The path to SCALAPACK specified with --with-scalapack does t point to a complete SCALAPACK installation" "$LINENO" 5
+         as_fn_error $? "The path to SCALAPACK specified with --with-scalapack does t point to a complete SCALAPACK installation" "$LINENO" 5
        fi
 
 else
-         as_fn_error "If MUMPS is used, the path to SCALAPACK must be specified with --with-scalapack" "$LINENO" 5
+         as_fn_error $? "If MUMPS is used, the path to SCALAPACK must be specified with --with-scalapack" "$LINENO" 5
 
 fi
 
@@ -11756,11 +11769,11 @@ if test "${with_blacs+set}" = set; then :
 $as_echo "$DEAL_II_BLACS_DIR" >&6; }
               if test ! -d $DEAL_II_BLACS_DIR     \
             -o ! -d $DEAL_II_BLACS_DIR/LIB ; then
-       as_fn_error "The path to BLACS specified with --with-blacs does not point to a complete BLACS installation" "$LINENO" 5
+       as_fn_error $? "The path to BLACS specified with --with-blacs does not point to a complete BLACS installation" "$LINENO" 5
        fi
 
 else
-         as_fn_error "If MUMPS is used, the path to BLACS must be specified with --with-blacs" "$LINENO" 5
+         as_fn_error $? "If MUMPS is used, the path to BLACS must be specified with --with-blacs" "$LINENO" 5
 
 fi
 
@@ -11815,15 +11828,15 @@ fi
 $as_echo "yes" >&6; }
 
         if test ! -d "${use_p4est}/DEBUG" -o ! -d "${use_p4est}/FAST" ; then
-      as_fn_error "p4est directories $use_p4est/DEBUG or $use_p4est/FAST not found" "$LINENO" 5
+      as_fn_error $? "p4est directories $use_p4est/DEBUG or $use_p4est/FAST not found" "$LINENO" 5
     fi
 
         if test "x${DEAL_II_COMPILER_SUPPORTS_MPI}" != "x1" ; then
-      as_fn_error "When using p4est you also need to enable MPI." "$LINENO" 5
+      as_fn_error $? "When using p4est you also need to enable MPI." "$LINENO" 5
     fi
 
             if test "x$enableshared" != "xyes" ; then
-      as_fn_error "When using p4est with shared libraries, you need to build
+      as_fn_error $? "When using p4est with shared libraries, you need to build
                     deal.II with shared libraries as well." "$LINENO" 5
     fi
 
@@ -11851,7 +11864,7 @@ $as_echo "lib64" >&6; }
 $as_echo "lib" >&6; }
         DEAL_II_P4EST_LIBDIR_NAME=lib
       else
-        as_fn_error "could not determine whether p4est stores its library in lib/ or lib64/ directories" "$LINENO" 5
+        as_fn_error $? "could not determine whether p4est stores its library in lib/ or lib64/ directories" "$LINENO" 5
       fi
     fi
 
@@ -11928,7 +11941,7 @@ if test "${with_blas+set}" = set; then :
       as_ac_Lib=`$as_echo "ac_cv_lib_$blas''_daxpy_" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for daxpy_ in -l$blas" >&5
 $as_echo_n "checking for daxpy_ in -l$blas... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_Lib+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11963,8 +11976,7 @@ 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 :
 
 
   LIBS="-l$blas $LIBS"
@@ -12057,7 +12069,7 @@ rm -f core conftest.err conftest.$ac_objext \
         as_ac_Lib=`$as_echo "ac_cv_lib_$blas''_daxpy_" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for daxpy_ in -l$blas" >&5
 $as_echo_n "checking for daxpy_ in -l$blas... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_Lib+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12092,8 +12104,7 @@ 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 :
 
 
   LIBS="-l$blas $LIBS"
@@ -12179,7 +12190,7 @@ if test "${with_zlib+set}" = set; then :
     as_ac_Lib=`$as_echo "ac_cv_lib_$zlib''_crc32" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for crc32 in -l$zlib" >&5
 $as_echo_n "checking for crc32 in -l$zlib... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_Lib+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12214,11 +12225,10 @@ 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 :
 
                   ac_fn_cxx_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_zlib_h" = x""yes; then :
+if test "x$ac_cv_header_zlib_h" = xyes; then :
 
 
   LIBS="-l$zlib $LIBS"
@@ -12239,7 +12249,7 @@ fi
 
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
 $as_echo_n "checking whether byte ordering is bigendian... " >&6; }
-if test "${ac_cv_c_bigendian+set}" = set; then :
+if ${ac_cv_c_bigendian+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_bigendian=unknown
@@ -12459,7 +12469,7 @@ $as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
 
      ;; #(
    *)
-     as_fn_error "unknown endianness
+     as_fn_error $? "unknown endianness
  presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
  esac
 
@@ -12469,11 +12479,11 @@ $as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
     as_ac_File=`$as_echo "ac_cv_file_$i/lib/tecio.a" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $i/lib/tecio.a" >&5
 $as_echo_n "checking for $i/lib/tecio.a... " >&6; }
-if { as_var=$as_ac_File; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_File+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
-  as_fn_error "cannot check for file existence when cross compiling" "$LINENO" 5
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "$i/lib/tecio.a"; then
   eval "$as_ac_File=yes"
 else
@@ -12483,19 +12493,18 @@ fi
 eval ac_res=\$$as_ac_File
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_File
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
   TECPLOT_LIB="$i/lib/tecio.a"
 fi
 
     as_ac_File=`$as_echo "ac_cv_file_$i/include/TECIO.h" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $i/include/TECIO.h" >&5
 $as_echo_n "checking for $i/include/TECIO.h... " >&6; }
-if { as_var=$as_ac_File; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_File+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
-  as_fn_error "cannot check for file existence when cross compiling" "$LINENO" 5
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "$i/include/TECIO.h"; then
   eval "$as_ac_File=yes"
 else
@@ -12505,8 +12514,7 @@ fi
 eval ac_res=\$$as_ac_File
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_File
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
   TECPLOT_INCLUDE_DIR=-I$i/include
 else
   TECPLOT_LIB=""
@@ -12592,7 +12600,7 @@ fi
   fi
 
         ac_fn_cxx_check_header_mongrel "$LINENO" "netcdfcpp.h" "ac_cv_header_netcdfcpp_h" "$ac_includes_default"
-if test "x$ac_cv_header_netcdfcpp_h" = x""yes; then :
+if test "x$ac_cv_header_netcdfcpp_h" = xyes; then :
 
 fi
 
@@ -12600,7 +12608,7 @@ fi
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for nc_open in -lnetcdf" >&5
 $as_echo_n "checking for nc_open in -lnetcdf... " >&6; }
-if test "${ac_cv_lib_netcdf_nc_open+set}" = set; then :
+if ${ac_cv_lib_netcdf_nc_open+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12634,7 +12642,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_netcdf_nc_open" >&5
 $as_echo "$ac_cv_lib_netcdf_nc_open" >&6; }
-if test "x$ac_cv_lib_netcdf_nc_open" = x""yes; then :
+if test "x$ac_cv_lib_netcdf_nc_open" = xyes; then :
 
   OLD_LIBS="$LIBS"
 
@@ -12691,7 +12699,7 @@ if test "${with_metis+set}" = set; then :
 $as_echo "$DEAL_II_METIS_DIR" >&6; }
 
                 if test ! -d $DEAL_II_METIS_DIR/Lib ; then
-          as_fn_error "Path to Metis specified with --with-metis does not point to a complete Metis installation" "$LINENO" 5
+          as_fn_error $? "Path to Metis specified with --with-metis does not point to a complete Metis installation" "$LINENO" 5
         fi
 
         DEAL_II_METIS_LIBDIR="$DEAL_II_METIS_DIR"
@@ -12705,7 +12713,7 @@ else
 $as_echo "$DEAL_II_METIS_DIR" >&6; }
 
                     if test ! -d $DEAL_II_METIS_DIR/Lib ; then
-            as_fn_error "The path to Metis specified in the METIS_DIR environment variable does not point to a complete Metis installation" "$LINENO" 5
+            as_fn_error $? "The path to Metis specified in the METIS_DIR environment variable does not point to a complete Metis installation" "$LINENO" 5
           fi
           DEAL_II_METIS_LIBDIR="$DEAL_II_METIS_DIR"
         else
@@ -12726,7 +12734,7 @@ if test "${with_metis_libs+set}" = set; then :
 $as_echo "$DEAL_II_METIS_LIBDIR" >&6; }
 
                 if test ! -d $DEAL_II_METIS_LIBDIR ; then
-          as_fn_error "Path to Metis specified with --with-metis does not point to a complete Metis installation" "$LINENO" 5
+          as_fn_error $? "Path to Metis specified with --with-metis does not point to a complete Metis installation" "$LINENO" 5
         fi
 
 else
@@ -12738,7 +12746,7 @@ else
 $as_echo "$DEAL_II_METIS_LIBDIR" >&6; }
 
                     if test ! -d $DEAL_II_METIS_LIBDIR ; then
-            as_fn_error "The path to Metis specified in the METIS_DIR environment variable does not point to a complete Metis installation" "$LINENO" 5
+            as_fn_error $? "The path to Metis specified in the METIS_DIR environment variable does not point to a complete Metis installation" "$LINENO" 5
           fi
         else
                               if test "x$USE_CONTRIB_METIS" != "xyes" ; then
@@ -12833,7 +12841,7 @@ $as_echo "#define HAVE_LIBUMFPACK 1" >>confdefs.h
       LDFLAGS="-L${UMFPACK_DIR}/UMFPACK $LDFLAGS"
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for umfpack_di_defaults in -lumfpack" >&5
 $as_echo_n "checking for umfpack_di_defaults in -lumfpack... " >&6; }
-if test "${ac_cv_lib_umfpack_umfpack_di_defaults+set}" = set; then :
+if ${ac_cv_lib_umfpack_umfpack_di_defaults+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12867,7 +12875,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_umfpack_umfpack_di_defaults" >&5
 $as_echo "$ac_cv_lib_umfpack_umfpack_di_defaults" >&6; }
-if test "x$ac_cv_lib_umfpack_umfpack_di_defaults" = x""yes; then :
+if test "x$ac_cv_lib_umfpack_umfpack_di_defaults" = xyes; then :
 
 
   LIBS="$LIBS -lumfpack"
@@ -12881,7 +12889,7 @@ else
                     LDFLAGS="-L${UMFPACK_DIR}/lib $OLD_LDFLAGS"
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for umfpack_di_defaults in -lumfpack" >&5
 $as_echo_n "checking for umfpack_di_defaults in -lumfpack... " >&6; }
-if test "${ac_cv_lib_umfpack_umfpack_di_defaults+set}" = set; then :
+if ${ac_cv_lib_umfpack_umfpack_di_defaults+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12915,7 +12923,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_umfpack_umfpack_di_defaults" >&5
 $as_echo "$ac_cv_lib_umfpack_umfpack_di_defaults" >&6; }
-if test "x$ac_cv_lib_umfpack_umfpack_di_defaults" = x""yes; then :
+if test "x$ac_cv_lib_umfpack_umfpack_di_defaults" = xyes; then :
 
 
   LIBS="$LIBS -lumfpack"
@@ -12926,7 +12934,7 @@ if test "x$ac_cv_lib_umfpack_umfpack_di_defaults" = x""yes; then :
 
 else
 
-              as_fn_error "installation of UMFPACK could not be determined" "$LINENO" 5
+              as_fn_error $? "installation of UMFPACK could not be determined" "$LINENO" 5
 
 
 fi
@@ -12940,7 +12948,7 @@ fi
       LDFLAGS="-L${UMFPACK_DIR}/AMD/Lib $LDFLAGS"
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for amd_info in -lamd" >&5
 $as_echo_n "checking for amd_info in -lamd... " >&6; }
-if test "${ac_cv_lib_amd_amd_info+set}" = set; then :
+if ${ac_cv_lib_amd_amd_info+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12974,7 +12982,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_amd_amd_info" >&5
 $as_echo "$ac_cv_lib_amd_amd_info" >&6; }
-if test "x$ac_cv_lib_amd_amd_info" = x""yes; then :
+if test "x$ac_cv_lib_amd_amd_info" = xyes; then :
 
 
   LIBS="$LIBS -lamd"
@@ -12988,7 +12996,7 @@ else
                     LDFLAGS="-L${UMFPACK_DIR}/lib $OLD_LDFLAGS"
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for amd_info in -lamd" >&5
 $as_echo_n "checking for amd_info in -lamd... " >&6; }
-if test "${ac_cv_lib_amd_amd_info+set}" = set; then :
+if ${ac_cv_lib_amd_amd_info+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -13022,7 +13030,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_amd_amd_info" >&5
 $as_echo "$ac_cv_lib_amd_amd_info" >&6; }
-if test "x$ac_cv_lib_amd_amd_info" = x""yes; then :
+if test "x$ac_cv_lib_amd_amd_info" = xyes; then :
 
 
   LIBS="$LIBS -lamd"
@@ -13033,7 +13041,7 @@ if test "x$ac_cv_lib_amd_amd_info" = x""yes; then :
 
 else
 
-              as_fn_error "installation of AMD could not be determined" "$LINENO" 5
+              as_fn_error $? "installation of AMD could not be determined" "$LINENO" 5
 
 
 fi
@@ -13047,11 +13055,11 @@ fi
         as_ac_File=`$as_echo "ac_cv_file_${UMFPACK_DIR}/UMFPACK/Include/umfpack.h" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${UMFPACK_DIR}/UMFPACK/Include/umfpack.h" >&5
 $as_echo_n "checking for ${UMFPACK_DIR}/UMFPACK/Include/umfpack.h... " >&6; }
-if { as_var=$as_ac_File; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_File+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
-  as_fn_error "cannot check for file existence when cross compiling" "$LINENO" 5
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "${UMFPACK_DIR}/UMFPACK/Include/umfpack.h"; then
   eval "$as_ac_File=yes"
 else
@@ -13061,8 +13069,7 @@ fi
 eval ac_res=\$$as_ac_File
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_File
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
 
         UMFPACK_INCLUDE_DIR=-I${UMFPACK_DIR}/UMFPACK/Include
 
@@ -13071,11 +13078,11 @@ else
         as_ac_File=`$as_echo "ac_cv_file_${UMFPACK_DIR}/include/suitesparse/umfpack.h" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${UMFPACK_DIR}/include/suitesparse/umfpack.h" >&5
 $as_echo_n "checking for ${UMFPACK_DIR}/include/suitesparse/umfpack.h... " >&6; }
-if { as_var=$as_ac_File; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_File+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
-  as_fn_error "cannot check for file existence when cross compiling" "$LINENO" 5
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "${UMFPACK_DIR}/include/suitesparse/umfpack.h"; then
   eval "$as_ac_File=yes"
 else
@@ -13085,14 +13092,13 @@ fi
 eval ac_res=\$$as_ac_File
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_File
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
 
             UMFPACK_INCLUDE_DIR=-I${UMFPACK_DIR}/include/suitesparse
 
 else
 
-            as_fn_error "installation of UMFPACK could not be determined" "$LINENO" 5
+            as_fn_error $? "installation of UMFPACK could not be determined" "$LINENO" 5
 
 
 fi
@@ -13105,11 +13111,11 @@ fi
     as_ac_File=`$as_echo "ac_cv_file_${UMFPACK_DIR}/AMD/Include/amd.h" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${UMFPACK_DIR}/AMD/Include/amd.h" >&5
 $as_echo_n "checking for ${UMFPACK_DIR}/AMD/Include/amd.h... " >&6; }
-if { as_var=$as_ac_File; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_File+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
-  as_fn_error "cannot check for file existence when cross compiling" "$LINENO" 5
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "${UMFPACK_DIR}/AMD/Include/amd.h"; then
   eval "$as_ac_File=yes"
 else
@@ -13119,8 +13125,7 @@ fi
 eval ac_res=\$$as_ac_File
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_File
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
 
         UMFPACK_INCLUDE_DIR="${UMFPACK_INCLUDE_DIR} -I${UMFPACK_DIR}/AMD/Include"
 
@@ -13129,11 +13134,11 @@ else
         as_ac_File=`$as_echo "ac_cv_file_${UMFPACK_DIR}/include/suitesparse/umfpack.h" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${UMFPACK_DIR}/include/suitesparse/umfpack.h" >&5
 $as_echo_n "checking for ${UMFPACK_DIR}/include/suitesparse/umfpack.h... " >&6; }
-if { as_var=$as_ac_File; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_File+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
-  as_fn_error "cannot check for file existence when cross compiling" "$LINENO" 5
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "${UMFPACK_DIR}/include/suitesparse/umfpack.h"; then
   eval "$as_ac_File=yes"
 else
@@ -13143,14 +13148,13 @@ fi
 eval ac_res=\$$as_ac_File
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_File
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
 
             UMFPACK_INCLUDE_DIR="${UMFPACK_INCLUDE_DIR} -I${UMFPACK_DIR}/include/suitesparse"
 
 else
 
-            as_fn_error "installation of UMFPACK could not be determined" "$LINENO" 5
+            as_fn_error $? "installation of UMFPACK could not be determined" "$LINENO" 5
 
 
 fi
@@ -13164,11 +13168,11 @@ fi
       as_ac_File=`$as_echo "ac_cv_file_${UMFPACK_DIR}/UFconfig/UFconfig.h" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${UMFPACK_DIR}/UFconfig/UFconfig.h" >&5
 $as_echo_n "checking for ${UMFPACK_DIR}/UFconfig/UFconfig.h... " >&6; }
-if { as_var=$as_ac_File; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_File+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
-  as_fn_error "cannot check for file existence when cross compiling" "$LINENO" 5
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "${UMFPACK_DIR}/UFconfig/UFconfig.h"; then
   eval "$as_ac_File=yes"
 else
@@ -13178,14 +13182,13 @@ fi
 eval ac_res=\$$as_ac_File
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_File
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
 
           UMFPACK_INCLUDE_DIR="${UMFPACK_INCLUDE_DIR} -I${UMFPACK_DIR}/UFconfig"
 
 else
 
-          as_fn_error "not found" "$LINENO" 5
+          as_fn_error $? "not found" "$LINENO" 5
 
 
 fi
@@ -13202,27 +13205,27 @@ fi
        CXXFLAGS="-I$UMFPACK_INCDIR $CXXFLAGS"
        CPPFLAGS="-I$UMFPACK_INCDIR $CPPFLAGS"
        ac_fn_cxx_check_header_mongrel "$LINENO" "umfpack.h" "ac_cv_header_umfpack_h" "$ac_includes_default"
-if test "x$ac_cv_header_umfpack_h" = x""yes; then :
+if test "x$ac_cv_header_umfpack_h" = xyes; then :
 
 else
-  as_fn_error "installation of UMFPACK could not be determined" "$LINENO" 5
+  as_fn_error $? "installation of UMFPACK could not be determined" "$LINENO" 5
 
 fi
 
 
        ac_fn_cxx_check_header_mongrel "$LINENO" "amd.h" "ac_cv_header_amd_h" "$ac_includes_default"
-if test "x$ac_cv_header_amd_h" = x""yes; then :
+if test "x$ac_cv_header_amd_h" = xyes; then :
 
 else
-  as_fn_error "installation of UMFPACK could not be determined" "$LINENO" 5
+  as_fn_error $? "installation of UMFPACK could not be determined" "$LINENO" 5
 fi
 
 
        ac_fn_cxx_check_header_mongrel "$LINENO" "UFconfig.h" "ac_cv_header_UFconfig_h" "$ac_includes_default"
-if test "x$ac_cv_header_UFconfig_h" = x""yes; then :
+if test "x$ac_cv_header_UFconfig_h" = xyes; then :
 
 else
-  as_fn_error "installation of UMFPACK could not be determined" "$LINENO" 5
+  as_fn_error $? "installation of UMFPACK could not be determined" "$LINENO" 5
 fi
 
 
@@ -13230,7 +13233,7 @@ fi
        if test "x$UMFPACK_LIBDIR" != "x" ; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for amd_info in -lamd" >&5
 $as_echo_n "checking for amd_info in -lamd... " >&6; }
-if test "${ac_cv_lib_amd_amd_info+set}" = set; then :
+if ${ac_cv_lib_amd_amd_info+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -13264,7 +13267,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_amd_amd_info" >&5
 $as_echo "$ac_cv_lib_amd_amd_info" >&6; }
-if test "x$ac_cv_lib_amd_amd_info" = x""yes; then :
+if test "x$ac_cv_lib_amd_amd_info" = xyes; then :
 
 
   LIBS="$LIBS -lamd"
@@ -13274,13 +13277,13 @@ if test "x$ac_cv_lib_amd_amd_info" = x""yes; then :
                     fi
 
 else
-  as_fn_error "installation of AMD could not be determined" "$LINENO" 5
+  as_fn_error $? "installation of AMD could not be determined" "$LINENO" 5
 
 fi
 
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for umfpack_di_defaults in -lumfpack" >&5
 $as_echo_n "checking for umfpack_di_defaults in -lumfpack... " >&6; }
-if test "${ac_cv_lib_umfpack_umfpack_di_defaults+set}" = set; then :
+if ${ac_cv_lib_umfpack_umfpack_di_defaults+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -13314,7 +13317,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_umfpack_umfpack_di_defaults" >&5
 $as_echo "$ac_cv_lib_umfpack_umfpack_di_defaults" >&6; }
-if test "x$ac_cv_lib_umfpack_umfpack_di_defaults" = x""yes; then :
+if test "x$ac_cv_lib_umfpack_umfpack_di_defaults" = xyes; then :
 
 
   LIBS="$LIBS -lumfpack"
@@ -13324,14 +13327,14 @@ if test "x$ac_cv_lib_umfpack_umfpack_di_defaults" = x""yes; then :
                     fi
 
 else
-  as_fn_error "installation of UMFPACK could not be determined" "$LINENO" 5
+  as_fn_error $? "installation of UMFPACK could not be determined" "$LINENO" 5
 
 fi
 
        else
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for amd_info in -lamd" >&5
 $as_echo_n "checking for amd_info in -lamd... " >&6; }
-if test "${ac_cv_lib_amd_amd_info+set}" = set; then :
+if ${ac_cv_lib_amd_amd_info+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -13365,20 +13368,20 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_amd_amd_info" >&5
 $as_echo "$ac_cv_lib_amd_amd_info" >&6; }
-if test "x$ac_cv_lib_amd_amd_info" = x""yes; then :
+if test "x$ac_cv_lib_amd_amd_info" = xyes; then :
 
 
   LIBS="$LIBS -lamd"
 
 
 else
-  as_fn_error "installation of AMD could not be determined" "$LINENO" 5
+  as_fn_error $? "installation of AMD could not be determined" "$LINENO" 5
 
 fi
 
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for umfpack_di_defaults in -lumfpack" >&5
 $as_echo_n "checking for umfpack_di_defaults in -lumfpack... " >&6; }
-if test "${ac_cv_lib_umfpack_umfpack_di_defaults+set}" = set; then :
+if ${ac_cv_lib_umfpack_umfpack_di_defaults+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -13412,14 +13415,14 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_umfpack_umfpack_di_defaults" >&5
 $as_echo "$ac_cv_lib_umfpack_umfpack_di_defaults" >&6; }
-if test "x$ac_cv_lib_umfpack_umfpack_di_defaults" = x""yes; then :
+if test "x$ac_cv_lib_umfpack_umfpack_di_defaults" = xyes; then :
 
 
   LIBS="$LIBS -lumfpack"
 
 
 else
-  as_fn_error "installation of UMFPACK could not be determined" "$LINENO" 5
+  as_fn_error $? "installation of UMFPACK could not be determined" "$LINENO" 5
 
 fi
 
@@ -13440,7 +13443,7 @@ if test "${with_lapack+set}" = set; then :
     as_ac_Lib=`$as_echo "ac_cv_lib_$lapack''_dgbsv_" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dgbsv_ in -l$lapack" >&5
 $as_echo_n "checking for dgbsv_ in -l$lapack... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_Lib+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -13475,8 +13478,7 @@ 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 :
 
   LIBS="-l$lapack $LIBS"
 
@@ -13488,7 +13490,7 @@ $as_echo "#define HAVE_LIBLAPACK 1" >>confdefs.h
         USE_CONTRIB_LAPACK='yes'
 
 else
-  as_fn_error "LAPACK library $lapack not found" "$LINENO" 5
+  as_fn_error $? "LAPACK library $lapack not found" "$LINENO" 5
 
 fi
 
@@ -13499,10 +13501,10 @@ fi
 
 if test "x$with_blas" != "x" -a "x$with_blas" != "xno" ; then
   ac_fn_cxx_check_func "$LINENO" "daxpy_" "ac_cv_func_daxpy_"
-if test "x$ac_cv_func_daxpy_" = x""yes; then :
+if test "x$ac_cv_func_daxpy_" = xyes; then :
 
 else
-  as_fn_error "BLAS library not installed correctly($with_blas)" "$LINENO" 5
+  as_fn_error $? "BLAS library not installed correctly($with_blas)" "$LINENO" 5
 fi
 
 fi
@@ -13512,8 +13514,7 @@ for ac_func in daxpy_ saxpy_ dgemv_ sgemv_ dgeev_ sgeev_ dgeevx_ sgeevx_
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -13525,8 +13526,7 @@ for ac_func in dgemm_ sgemm_ dgetrf_ sgetrf_ dgetri_ sgetri_
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -13538,8 +13538,7 @@ for ac_func in dgeqrf_ sgeqrf_ dormqr_ sormqr_ dorgqr_ sorgqr_ dtrtrs_ strtrs_
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -13551,8 +13550,7 @@ for ac_func in dgetrs_ sgetrs_ dstev_ sstev_ dsygv_ ssygv_ dsygvx_ ssygvx_
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -13564,8 +13562,7 @@ for ac_func in dsyevx_ ssyevx_
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -13577,8 +13574,7 @@ for ac_func in dgesvd_ sgesvd_ dgesdd_ sgesdd_ dgelsd_ sgelsd_
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -13589,7 +13585,7 @@ done
 for ac_func in jn
 do :
   ac_fn_cxx_check_func "$LINENO" "jn" "ac_cv_func_jn"
-if test "x$ac_cv_func_jn" = x""yes; then :
+if test "x$ac_cv_func_jn" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_JN 1
 _ACEOF
@@ -13713,7 +13709,7 @@ $as_echo "yes" >&6; }
 
 else
 
-      as_fn_error "invalid combination of flags!" "$LINENO" 5
+      as_fn_error $? "invalid combination of flags!" "$LINENO" 5
       exit 1;
 
 fi
@@ -13740,7 +13736,7 @@ $as_echo "yes" >&6; }
 
 else
 
-      as_fn_error "invalid combination of flags!" "$LINENO" 5
+      as_fn_error $? "invalid combination of flags!" "$LINENO" 5
       exit 1;
 
 fi
@@ -13762,8 +13758,8 @@ $as_echo_n "checking whether CPU supports SSE2... " >&6; }
   if test "$cross_compiling" = yes; then :
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run test program while cross compiling
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -13805,8 +13801,8 @@ $as_echo_n "checking whether CPU supports AVX... " >&6; }
       if test "$cross_compiling" = yes; then :
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run test program while cross compiling
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -13949,14 +13945,14 @@ $as_echo "$DOXYGEN" >&6; }
     else
       { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
 $as_echo "not found" >&6; }
-      as_fn_error "Invalid doxygen path $DOXYGEN" "$LINENO" 5
+      as_fn_error $? "Invalid doxygen path $DOXYGEN" "$LINENO" 5
     fi
   else
                 # Extract the first word of "doxygen", so it can be a program name with args.
 set dummy doxygen; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_DOXYGEN+set}" = set; then :
+if ${ac_cv_path_DOXYGEN+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $DOXYGEN in
@@ -14021,7 +14017,7 @@ $as_echo "1.5.x or later" >&6; }
 set dummy dot; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_DOT+set}" = set; then :
+if ${ac_cv_prog_DOT+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$DOT"; then
@@ -14069,7 +14065,7 @@ fi
 set dummy perl; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PERL+set}" = set; then :
+if ${ac_cv_path_PERL+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PERL in
@@ -14112,7 +14108,7 @@ fi
 set dummy qmake; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_QMAKE+set}" = set; then :
+if ${ac_cv_prog_QMAKE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$QMAKE"; then
@@ -14150,7 +14146,7 @@ if test -n "$QMAKE" ; then
 set dummy $QMAKE; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_QMAKE+set}" = set; then :
+if ${ac_cv_path_QMAKE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $QMAKE in
@@ -14269,6 +14265,7 @@ DEFS=-DHAVE_CONFIG_H
 
 ac_libobjs=
 ac_ltlibobjs=
+U=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
@@ -14285,7 +14282,7 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 
-: ${CONFIG_STATUS=./config.status}
+: "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
@@ -14386,6 +14383,7 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -14431,19 +14429,19 @@ 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
 
@@ -14639,7 +14637,7 @@ $as_echo X"$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
@@ -14693,7 +14691,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by deal.II $as_me 7.2.pre, which was
-generated by GNU Autoconf 2.65.  Invocation command line was
+generated by GNU Autoconf 2.68.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -14755,10 +14753,10 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 deal.II config.status 7.2.pre
-configured by $0, generated by GNU Autoconf 2.65,
+configured by $0, generated by GNU Autoconf 2.68,
   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."
 
@@ -14773,11 +14771,16 @@ 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
@@ -14799,6 +14802,7 @@ 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;;
@@ -14811,7 +14815,7 @@ do
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    as_fn_error "ambiguous option: \`$1'
+    as_fn_error $? "ambiguous option: \`$1'
 Try \`$0 --help' for more information.";;
   --help | --hel | -h )
     $as_echo "$ac_cs_usage"; exit ;;
@@ -14820,7 +14824,7 @@ Try \`$0 --help' for more information.";;
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error "unrecognized option: \`$1'
+  -*) as_fn_error $? "unrecognized option: \`$1'
 Try \`$0 --help' for more information." ;;
 
   *) as_fn_append ac_config_targets " $1"
@@ -14872,7 +14876,7 @@ do
     "include/deal.II/base/config.h") CONFIG_HEADERS="$CONFIG_HEADERS include/deal.II/base/config.h" ;;
     "$process_files") CONFIG_FILES="$CONFIG_FILES $process_files" ;;
 
-  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -14894,9 +14898,10 @@ fi
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp=
+  tmp= ac_tmp=
   trap 'exit_status=$?
-  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
 ' 0
   trap 'as_fn_exit 1' 1 2 13 15
 }
@@ -14904,12 +14909,13 @@ $debug ||
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
+  test -d "$tmp"
 }  ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
+ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -14926,12 +14932,12 @@ if test "x$ac_cr" = x; then
 fi
 ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
 if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
-  ac_cs_awk_cr='\r'
+  ac_cs_awk_cr='\\r'
 else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -14940,18 +14946,18 @@ _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$$subs.awk | grep -c X`
   if test $ac_delim_n = $ac_delim_num; then
     break
   elif $ac_last_try; then
-    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -14959,7 +14965,7 @@ done
 rm -f conf$$subs.sh
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
 h
@@ -15007,7 +15013,7 @@ t delim
 rm -f conf$$subs.awk
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
 
@@ -15039,21 +15045,29 @@ if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
   sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
 else
   cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
-  || as_fn_error "could not setup config files machinery" "$LINENO" 5
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
+  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
+# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
-s/:*\$(srcdir):*/:/
-s/:*\${srcdir}:*/:/
-s/:*@srcdir@:*/:/
-s/^\([^=]*=[	 ]*\):*/\1/
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
+h
+s///
+s/^/:/
+s/[	 ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
 s/:*$//
+x
+s/\(=[	 ]*\).*/\1/
+G
+s/\n//
 s/^[^=]*=[	 ]*$//
 }'
 fi
@@ -15065,7 +15079,7 @@ fi # test -n "$CONFIG_FILES"
 # No need to generate them if there are no CONFIG_HEADERS.
 # This happens for instance with `./config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
-cat >"$tmp/defines.awk" <<\_ACAWK ||
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
@@ -15077,11 +15091,11 @@ _ACEOF
 # handling of long lines.
 ac_delim='%!_!# '
 for ac_last_try in false false :; do
-  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_t"; then
+  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_tt"; then
     break
   elif $ac_last_try; then
-    as_fn_error "could not make $CONFIG_HEADERS" "$LINENO" 5
+    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -15166,7 +15180,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
 _ACEOF
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  as_fn_error "could not setup config headers machinery" "$LINENO" 5
+  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
 fi # test -n "$CONFIG_HEADERS"
 
 
@@ -15179,7 +15193,7 @@ 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
@@ -15198,7 +15212,7 @@ do
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$tmp/stdin";;
+      -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
 	 # because $ac_f cannot contain `:'.
@@ -15207,7 +15221,7 @@ do
 	   [\\/$]*) 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'"
@@ -15233,8 +15247,8 @@ $as_echo "$as_me: creating $ac_file" >&6;}
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
   esac
@@ -15359,23 +15373,24 @@ s&@abs_builddir@&$ac_abs_builddir&;t t
 s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 $ac_datarootdir_hack
 "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
+  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
+      "$ac_tmp/out"`; test -z "$ac_out"; } &&
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&5
+which seems to be undefined.  Please make sure it is defined" >&5
 $as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&2;}
+which seems to be undefined.  Please make sure it is defined" >&2;}
 
-  rm -f "$tmp/stdin"
+  rm -f "$ac_tmp/stdin"
   case $ac_file in
-  -) cat "$tmp/out" && rm -f "$tmp/out";;
-  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
+  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
   esac \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
  ;;
   :H)
   #
@@ -15384,21 +15399,21 @@ which seems to be undefined.  Please make sure it is defined." >&2;}
   if test x"$ac_file" != x-; then
     {
       $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
-    } >"$tmp/config.h" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5
-    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
+    } >"$ac_tmp/config.h" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
 $as_echo "$as_me: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
-      mv "$tmp/config.h" "$ac_file" \
-	|| as_fn_error "could not create $ac_file" "$LINENO" 5
+      mv "$ac_tmp/config.h" "$ac_file" \
+	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
     fi
   else
     $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
-      || as_fn_error "could not create -" "$LINENO" 5
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error $? "could not create -" "$LINENO" 5
   fi
  ;;
 
@@ -15413,7 +15428,7 @@ _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.
@@ -15434,7 +15449,7 @@ 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
 
 #
@@ -15575,7 +15590,7 @@ $as_echo "$as_me: running $SHELL $ac_sub_configure $ac_sub_configure_args --cach
       # The eval makes quoting arguments work.
       eval "\$SHELL \"\$ac_sub_configure\" $ac_sub_configure_args \
 	   --cache-file=\"\$ac_sub_cache_file\" --srcdir=\"\$ac_srcdir\"" ||
-	as_fn_error "$ac_sub_configure failed for $ac_dir" "$LINENO" 5
+	as_fn_error $? "$ac_sub_configure failed for $ac_dir" "$LINENO" 5
     fi
 
     cd "$ac_popdir"
diff --git a/deal.II/doc/news/changes.h b/deal.II/doc/news/changes.h
index 623c720f42..b6d19a3feb 100644
--- a/deal.II/doc/news/changes.h
+++ b/deal.II/doc/news/changes.h
@@ -51,6 +51,12 @@ used to store boundary indicators internally.
 
 <ol>
 <li>
+Fixed: On some 64-bit systems, we build deal.II with the <code>-m64</code>
+flag but forgot to build UMFPACK with this flag as well, leading to
+linker errors. This is now fixed.
+<br>
+(Wolfgang Bangerth, 2012/07/31)
+
 Fixed: The Intel compiler, when using MPI, wants that <code>mpi.h</code>
 is included before header files like <code>stdio.h</code>. This can't
 be ensured in general because the inclusion might be indirectly, but
-- 
2.39.5