openwrt-packages/octave/patches/010-configure.patch

Index: octave-3.2.4/aclocal.m4
===================================================================
--- octave-3.2.4.orig/aclocal.m4	2011-01-02 13:17:05.000000000 +0100
+++ octave-3.2.4/aclocal.m4	2011-01-02 13:25:56.000000000 +0100
@@ -109,7 +109,8 @@
 struct tm t;
 char *q = strptime ("09/13", "%m/%d/%y", &t);
 return q ? 1 : 0;
-]])], [octave_cv_strptime_broken=no], [octave_cv_strptime_broken=yes])])
+]])], [octave_cv_strptime_broken=no], [octave_cv_strptime_broken=yes],
+[octave_cv_strptime_broken=yes])])
 if test $octave_cv_strptime_broken = yes; then
 AC_DEFINE(OCTAVE_HAVE_BROKEN_STRPTIME, 1, [Define if strptime is broken on your system])
 fi
@@ -1386,7 +1387,8 @@
 ]])],
 [AC_MSG_RESULT([yes])
  AC_DEFINE(HAVE_FAST_INT_OPS,1,[Define if signed integers use two's complement])],
-[AC_MSG_RESULT([no])])
+[AC_MSG_RESULT([no])],
+[AC_MSG_RESULT([guessing no])])
 AC_LANG_POP(C++)])
 dnl
 dnl Check to see if the compiler and the linker can handle the flags
Index: octave-3.2.4/configure
===================================================================
--- octave-3.2.4.orig/configure	2011-01-02 13:17:12.000000000 +0100
+++ octave-3.2.4/configure	2011-01-02 13:26:05.000000000 +0100
@@ -1,12 +1,14 @@
 #! /bin/sh
 # From configure.in Revision: 1.603 .
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.64.
+# Generated by GNU Autoconf 2.67.
+#
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
 # Foundation, Inc.
 #
+#
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
 ## -------------------- ##
@@ -315,7 +317,7 @@
       test -d "$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
@@ -355,19 +357,19 @@
 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
 
@@ -525,10 +527,11 @@
 as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
-exec 7<&0 </dev/null 6>&1
+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`
 
@@ -937,8 +940,9 @@
   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.
@@ -983,7 +987,7 @@
     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 $ac_user_opts in
@@ -1009,7 +1013,7 @@
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1213,7 +1217,7 @@
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1229,7 +1233,7 @@
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1259,8 +1263,8 @@
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$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"
     ;;
 
   *=*)
@@ -1268,7 +1272,7 @@
     # 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 ;;
@@ -1286,13 +1290,13 @@
 
 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: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
@@ -1315,7 +1319,7 @@
     [\\/$]* | ?:[\\/]* )  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: `$host'
@@ -1329,8 +1333,8 @@
 if test "x$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
@@ -1345,9 +1349,9 @@
 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.
@@ -1386,11 +1390,11 @@
 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
@@ -1430,7 +1434,7 @@
       --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
@@ -1549,7 +1553,7 @@
   LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
               nonstandard directory <lib dir>
   LIBS        libraries to pass to the linker, e.g. -l<library>
-  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
+  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
               you have headers in a nonstandard directory <include dir>
   CPP         C preprocessor
   CXX         C++ compiler command
@@ -1641,9 +1645,9 @@
 if $ac_init_version; then
   cat <<\_ACEOF
 configure
-generated by GNU Autoconf 2.64
+generated by GNU Autoconf 2.67
 
-Copyright (C) 2009 Free Software Foundation, Inc.
+Copyright (C) 2010 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1688,7 +1692,7 @@
 	ac_retval=1
 fi
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_compile
 
@@ -1713,7 +1717,7 @@
     mv -f conftest.er1 conftest.err
   fi
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } >/dev/null && {
+  test $ac_status = 0; } > conftest.i && {
 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        }; then :
@@ -1725,7 +1729,7 @@
     ac_retval=1
 fi
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_cpp
 
@@ -1737,10 +1741,10 @@
 ac_fn_c_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 "test \"\${$3+set}\"" = set; 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 "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 fi
 eval ac_res=\$$3
@@ -1776,7 +1780,7 @@
 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; }
 
@@ -1803,7 +1807,7 @@
 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 "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=\$ac_header_compiler"
@@ -1854,7 +1858,7 @@
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_run
 
@@ -1867,7 +1871,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2063,7 +2067,7 @@
 
   fi
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_c_compute_int
 
@@ -2101,7 +2105,7 @@
 	ac_retval=1
 fi
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_compile
 
@@ -2126,7 +2130,7 @@
     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 :
@@ -2138,7 +2142,7 @@
     ac_retval=1
 fi
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_cpp
 
@@ -2184,7 +2188,7 @@
   # 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;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_link
 
@@ -2230,7 +2234,7 @@
   # 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;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_link
 
@@ -2242,7 +2246,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2309,10 +2313,10 @@
 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 "test \"\${$3+set}\"" = set; 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 "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 fi
 eval ac_res=\$$3
@@ -2348,7 +2352,7 @@
 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; }
 
@@ -2375,7 +2379,7 @@
 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 "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=\$ac_header_compiler"
@@ -2422,7 +2426,7 @@
 	ac_retval=1
 fi
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_f77_try_compile
 
@@ -2468,7 +2472,7 @@
   # 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;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_f77_try_link
 
@@ -2510,7 +2514,7 @@
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_f77_try_run
 
@@ -2523,7 +2527,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -2622,19 +2626,22 @@
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  return $ac_retval
+  as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_run
 
-# ac_fn_cxx_check_decl LINENO SYMBOL VAR
-# --------------------------------------
-# Tests whether SYMBOL is declared, setting cache variable VAR accordingly.
+# ac_fn_cxx_check_decl LINENO SYMBOL VAR INCLUDES
+# -----------------------------------------------
+# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
+# accordingly.
 ac_fn_cxx_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $2 is declared" >&5
-$as_echo_n "checking whether $2 is declared... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2651,8 +2658,12 @@
 int
 main ()
 {
-#ifndef $2
-  (void) $2;
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
 #endif
 
   ;
@@ -2681,7 +2692,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2748,15 +2759,18 @@
 
 } # ac_fn_cxx_check_func
 
-# ac_fn_c_check_decl LINENO SYMBOL VAR
-# ------------------------------------
-# Tests whether SYMBOL is declared, setting cache variable VAR accordingly.
+# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
+# ---------------------------------------------
+# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
+# accordingly.
 ac_fn_c_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $2 is declared" >&5
-$as_echo_n "checking whether $2 is declared... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2773,8 +2787,12 @@
 int
 main ()
 {
-#ifndef $2
-  (void) $2;
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
 #endif
 
   ;
@@ -2804,7 +2822,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5
 $as_echo_n "checking for $2.$3... " >&6; }
-if { as_var=$4; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$4+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2872,7 +2890,7 @@
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by $as_me, which was
-generated by GNU Autoconf 2.64.  Invocation command line was
+generated by GNU Autoconf 2.67.  Invocation command line was
 
   $ $0 $@
 
@@ -2982,11 +3000,9 @@
   {
     echo
 
-    cat <<\_ASBOX
-## ---------------- ##
+    $as_echo "## ---------------- ##
 ## Cache variables. ##
-## ---------------- ##
-_ASBOX
+## ---------------- ##"
     echo
     # The following way of writing the cache mishandles newlines in values,
 (
@@ -3020,11 +3036,9 @@
 )
     echo
 
-    cat <<\_ASBOX
-## ----------------- ##
+    $as_echo "## ----------------- ##
 ## Output variables. ##
-## ----------------- ##
-_ASBOX
+## ----------------- ##"
     echo
     for ac_var in $ac_subst_vars
     do
@@ -3037,11 +3051,9 @@
     echo
 
     if test -n "$ac_subst_files"; then
-      cat <<\_ASBOX
-## ------------------- ##
+      $as_echo "## ------------------- ##
 ## File substitutions. ##
-## ------------------- ##
-_ASBOX
+## ------------------- ##"
       echo
       for ac_var in $ac_subst_files
       do
@@ -3055,11 +3067,9 @@
     fi
 
     if test -s confdefs.h; then
-      cat <<\_ASBOX
-## ----------- ##
+      $as_echo "## ----------- ##
 ## confdefs.h. ##
-## ----------- ##
-_ASBOX
+## ----------- ##"
       echo
       cat confdefs.h
       echo
@@ -3114,7 +3124,12 @@
 ac_site_file1=NONE
 ac_site_file2=NONE
 if test -n "$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=$prefix/etc/config.site
@@ -3125,18 +3140,22 @@
 for ac_site_file in "$ac_site_file1" "$ac_site_file2"
 do
   test "x$ac_site_file" = xNONE && continue
-  if test -r "$ac_site_file"; then
+  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
 $as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$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
 
 if test -r "$cache_file"; then
-  # Some versions of bash will fail to source /dev/null (special
-  # files actually), so we avoid doing that.
-  if test -f "$cache_file"; then
+  # Some versions of bash will fail to source /dev/null (special files
+  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
+  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
 $as_echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
@@ -3205,7 +3224,7 @@
 $as_echo "$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. ##
@@ -3226,16 +3245,22 @@
 
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
-  for ac_t in install-sh install.sh shtool; do
-    if test -f "$ac_dir/$ac_t"; then
-      ac_aux_dir=$ac_dir
-      ac_install_sh="$ac_aux_dir/$ac_t -c"
-      break 2
-    fi
-  done
+  if test -f "$ac_dir/install-sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f "$ac_dir/install.sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  elif test -f "$ac_dir/shtool"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
+  fi
 done
 if test -z "$ac_aux_dir"; then
-  as_fn_error "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
+  as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
 fi
 
 # These three variables are undocumented and unsupported,
@@ -3249,7 +3274,7 @@
 
 # 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
 $as_echo_n "checking build system type... " >&6; }
@@ -3260,16 +3285,16 @@
 test "x$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='-'
@@ -3294,7 +3319,7 @@
   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
@@ -3302,7 +3327,7 @@
 $as_echo "$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='-'
@@ -3651,8 +3676,8 @@
 
 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
@@ -3673,32 +3698,30 @@
 ... rest of stderr output deleted ...
          10q' conftest.err >conftest.er1
     cat conftest.er1 >&5
-    rm -f conftest.er1 conftest.err
   fi
+  rm -f conftest.er1 conftest.err
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
 
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <stdio.h>
+
 int
 main ()
 {
-FILE *f = fopen ("conftest.out", "w");
- return ferror (f) || fclose (f) != 0;
 
   ;
   return 0;
 }
 _ACEOF
 ac_clean_files_save=$ac_clean_files
-ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out conftest.out"
+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
-$as_echo_n "checking for C compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
 ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
 
 # The possible output files:
@@ -3760,62 +3783,28 @@
 else
   ac_file=''
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
-$as_echo "$ac_file" >&6; }
 if test -z "$ac_file"; then :
-  $as_echo "$as_me: failed program was:" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+$as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "C compiler cannot create executables
-See \`config.log' for more details." "$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; }
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
 ac_exeext=$ac_cv_exeext
 
-# Check that the compiler produces executables we can run.  If not, either
-# the compiler is broken, or we cross compile.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
-$as_echo_n "checking whether the C compiler works... " >&6; }
-# If not cross compiling, check that we can run a simple program.
-if test "$cross_compiling" != yes; then
-  if { ac_try='./$ac_file'
-  { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-    cross_compiling=no
-  else
-    if test "$cross_compiling" = maybe; then
-	cross_compiling=yes
-    else
-	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." "$LINENO" 5; }
-    fi
-  fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-
-rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out conftest.out
+rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-# Check that the compiler produces executables we can run.  If not, either
-# the compiler is broken, or we cross compile.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
-$as_echo_n "checking whether we are cross compiling... " >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
-$as_echo "$cross_compiling" >&6; }
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
 $as_echo_n "checking for suffix of executables... " >&6; }
 if { { ac_try="$ac_link"
@@ -3845,16 +3834,75 @@
 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$ac_cv_exeext
+rm -f conftest conftest$ac_cv_exeext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
 $as_echo "$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+FILE *f = fopen ("conftest.out", "w");
+ return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files="$ac_clean_files conftest.out"
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+if test "$cross_compiling" != yes; then
+  { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+  if { ac_try='./conftest$ac_cv_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details" "$LINENO" 5 ; }
+    fi
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+rm -f conftest.$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 :
@@ -3897,8 +3945,8 @@
 
 { { $as_echo "$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
@@ -4161,7 +4209,7 @@
   # 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.
@@ -4177,11 +4225,11 @@
 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 $ac_preproc_ok; then :
   break
 fi
@@ -4220,7 +4268,7 @@
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$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.
@@ -4236,18 +4284,18 @@
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
 
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 
 ac_ext=c
@@ -4308,7 +4356,7 @@
   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
@@ -4374,7 +4422,7 @@
   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
@@ -4506,8 +4554,7 @@
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
 "
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -4596,7 +4643,7 @@
       esac
     ;;
   no)
-    as_fn_error "You are required to define a path separation character" "$LINENO" 5
+    as_fn_error $? "You are required to define a path separation character" "$LINENO" 5
     ;;
   *)
     sepchar=$with_sepchar
@@ -4743,9 +4790,8 @@
   if test "$ac_cv_type_void_p" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (void *)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (void *)
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_void_p=0
    fi
@@ -4777,9 +4823,8 @@
   if test "$ac_cv_type_int" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (int)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (int)
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_int=0
    fi
@@ -4811,9 +4856,8 @@
   if test "$ac_cv_type_long" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (long)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (long)
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_long=0
    fi
@@ -5001,8 +5045,8 @@
 ... rest of stderr output deleted ...
          10q' conftest.err >conftest.er1
     cat conftest.er1 >&5
-    rm -f conftest.er1 conftest.err
   fi
+  rm -f conftest.er1 conftest.err
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
@@ -5166,7 +5210,7 @@
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$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.
@@ -5182,11 +5226,11 @@
 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 $ac_preproc_ok; then :
   break
 fi
@@ -5225,7 +5269,7 @@
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$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.
@@ -5241,18 +5285,18 @@
 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=c
@@ -5269,7 +5313,7 @@
 
 case "$gxx_version" in
   1.* | 2.[0123456789].* | 3.[01234].*)
-    as_fn_error "g++ version $gxx_version will probably fail to compile Octave
+    as_fn_error $? "g++ version $gxx_version will probably fail to compile Octave
 " "$LINENO" 5
   ;;
 esac
@@ -5760,8 +5804,8 @@
 
 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
@@ -5782,8 +5826,8 @@
 ... rest of stderr output deleted ...
          10q' conftest.err >conftest.er1
     cat conftest.er1 >&5
-    rm -f conftest.er1 conftest.err
   fi
+  rm -f conftest.er1 conftest.err
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
@@ -6042,7 +6086,7 @@
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$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.
@@ -6058,11 +6102,11 @@
 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 $ac_preproc_ok; then :
   break
 fi
@@ -6101,7 +6145,7 @@
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$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.
@@ -6117,18 +6161,18 @@
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
 
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 
 ac_ext=c
@@ -6670,7 +6714,7 @@
   have_x=disabled
 else
   case $x_includes,$x_libraries in #(
-    *\'*) as_fn_error "cannot use X directory names containing '" "$LINENO" 5;; #(
+    *\'*) as_fn_error $? "cannot use X directory names containing '" "$LINENO" 5 ;; #(
     *,NONE | NONE,*) if test "${ac_cv_have_x+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
@@ -6688,7 +6732,7 @@
 	@echo libdir='${LIBDIR}'
 _ACEOF
   if (export CC; ${XMKMF-xmkmf}) >/dev/null 2>/dev/null && test -f Makefile; then
-    # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+    # GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
     for ac_var in incroot usrlibdir libdir; do
       eval "ac_im_$ac_var=\`\${MAKE-make} $ac_var 2>/dev/null | sed -n 's/^$ac_var=//p'\`"
     done
@@ -6774,7 +6818,7 @@
   fi
 done
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 fi # $ac_x_includes = no
 
 if test "$ac_x_libraries" = no; then
@@ -7045,7 +7089,7 @@
   ac_safe=`echo "-mieee-fp" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC-cc} accepts -mieee-fp" >&5
 $as_echo_n "checking whether ${CC-cc} accepts -mieee-fp... " >&6; }
-  if { as_var=octave_cv_cc_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cc_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -7110,7 +7154,7 @@
   ac_safe=`echo "-mieee-fp" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX-g++} accepts -mieee-fp" >&5
 $as_echo_n "checking whether ${CXX-g++} accepts -mieee-fp... " >&6; }
-  if { as_var=octave_cv_cxx_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cxx_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -7177,7 +7221,7 @@
   ac_safe=`echo "-mieee" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC-cc} accepts -mieee" >&5
 $as_echo_n "checking whether ${CC-cc} accepts -mieee... " >&6; }
-  if { as_var=octave_cv_cc_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cc_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -7236,7 +7280,7 @@
   ac_safe=`echo "-ieee" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC-cc} accepts -ieee" >&5
 $as_echo_n "checking whether ${CC-cc} accepts -ieee... " >&6; }
-  if { as_var=octave_cv_cc_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cc_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -7296,7 +7340,7 @@
   ac_safe=`echo "-mieee" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX-g++} accepts -mieee" >&5
 $as_echo_n "checking whether ${CXX-g++} accepts -mieee... " >&6; }
-  if { as_var=octave_cv_cxx_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cxx_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -7355,7 +7399,7 @@
   ac_safe=`echo "-ieee" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX-g++} accepts -ieee" >&5
 $as_echo_n "checking whether ${CXX-g++} accepts -ieee... " >&6; }
-  if { as_var=octave_cv_cxx_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cxx_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -7416,7 +7460,7 @@
   ac_safe=`echo "-mminimal-toc" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC-cc} accepts -mminimal-toc" >&5
 $as_echo_n "checking whether ${CC-cc} accepts -mminimal-toc... " >&6; }
-  if { as_var=octave_cv_cc_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cc_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -7472,7 +7516,7 @@
   ac_safe=`echo "-mminimal-toc" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX-g++} accepts -mminimal-toc" >&5
 $as_echo_n "checking whether ${CXX-g++} accepts -mminimal-toc... " >&6; }
-  if { as_var=octave_cv_cxx_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cxx_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -8064,7 +8108,7 @@
   as_ac_Lib=`$as_echo "ac_cv_lib_$zlib_lib''_gzclearerr" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gzclearerr in -l$zlib_lib" >&5
 $as_echo_n "checking for gzclearerr in -l$zlib_lib... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8099,8 +8143,7 @@
 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 :
 
       for ac_header in zlib.h
 do :
@@ -8150,7 +8193,7 @@
     as_ac_Lib=`$as_echo "ac_cv_lib_$hdf5_lib''_H5Pcreate" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for H5Pcreate in -l$hdf5_lib" >&5
 $as_echo_n "checking for H5Pcreate in -l$hdf5_lib... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8185,8 +8228,7 @@
 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 :
 
       for ac_header in hdf5.h
 do :
@@ -8202,7 +8244,7 @@
 	as_ac_Lib=`$as_echo "ac_cv_lib_$hdf5_lib''_H5Gget_num_objs" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for H5Gget_num_objs in -l$hdf5_lib" >&5
 $as_echo_n "checking for H5Gget_num_objs in -l$hdf5_lib... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8237,8 +8279,7 @@
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
 
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether HDF5 library has required API" >&5
@@ -8514,8 +8555,7 @@
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -8523,7 +8563,7 @@
     as_ac_Lib=`$as_echo "ac_cv_lib_$glpk_lib''_glp_lpx_simplex" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for glp_lpx_simplex in -l$glpk_lib" >&5
 $as_echo_n "checking for glp_lpx_simplex in -l$glpk_lib... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8558,8 +8598,7 @@
 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 :
 
       GLPK_LIBS="-l$glpk_lib"
 
@@ -8570,7 +8609,7 @@
         as_ac_Lib=`$as_echo "ac_cv_lib_$glpk_lib''__glp_lpx_simplex" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _glp_lpx_simplex in -l$glpk_lib" >&5
 $as_echo_n "checking for _glp_lpx_simplex in -l$glpk_lib... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8605,8 +8644,7 @@
 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 :
 
           GLPK_LIBS="-l$glpk_lib"
 fi
@@ -8655,7 +8693,7 @@
   as_ac_Lib=`$as_echo "ac_cv_lib_$curl_lib''_curl_easy_escape" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for curl_easy_escape in -l$curl_lib" >&5
 $as_echo_n "checking for curl_easy_escape in -l$curl_lib... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8690,8 +8728,7 @@
 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 :
 
     for ac_header in curl/curl.h
 do :
@@ -8936,8 +8973,7 @@
 #endif
 
 "
-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
@@ -8951,8 +8987,7 @@
 #endif
 
 "
-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" | $as_tr_cpp` 1
 _ACEOF
@@ -9324,8 +9359,7 @@
 do :
   as_ac_Header=`$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" | $as_tr_cpp` 1
 _ACEOF
@@ -9336,8 +9370,7 @@
 do :
   as_ac_Header=`$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" | $as_tr_cpp` 1
 _ACEOF
@@ -9699,7 +9732,7 @@
 ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_f77_compiler_gnu
 if test -n "$ac_tool_prefix"; then
-  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn
+  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgfortran pgf95 lf95 ftn
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
@@ -9743,7 +9776,7 @@
 fi
 if test -z "$F77"; then
   ac_ct_F77=$F77
-  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn
+  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgfortran pgf95 lf95 ftn
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
@@ -9818,8 +9851,8 @@
 ... rest of stderr output deleted ...
          10q' conftest.err >conftest.er1
     cat conftest.er1 >&5
-    rm -f conftest.er1 conftest.err
   fi
+  rm -f conftest.er1 conftest.err
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
@@ -10122,7 +10155,7 @@
 	  ;;
 	  # Ignore these flags.
 	-lang* | -lcrt*.o | -lc | -lgcc* | -lSystem | -libmil | -little \
-	  |-LANG:=* | -LIST:* | -LNO:*)
+	  |-LANG:=* | -LIST:* | -LNO:* | -link)
 	  ;;
 	-lkernel32)
 	  test x"$CYGWIN" != xyes && ac_cv_f77_libs="$ac_cv_f77_libs $ac_arg"
@@ -10316,8 +10349,8 @@
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "linking to Fortran libraries from C fails
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "linking to Fortran libraries from C fails
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 
 ac_ext=c
@@ -10478,8 +10511,8 @@
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot compile a simple Fortran program
-See \`config.log' for more details." "$LINENO" 5; }
+as_fn_error $? "cannot compile a simple Fortran program
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
@@ -10572,7 +10605,7 @@
   ac_safe=`echo "-mieee-fp" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${F77-g77} accepts -mieee-fp" >&5
 $as_echo_n "checking whether ${F77-g77} accepts -mieee-fp... " >&6; }
-  if { as_var=octave_cv_f77_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_f77_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -10627,7 +10660,7 @@
   ac_safe=`echo "-mieee" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${F77-g77} accepts -mieee" >&5
 $as_echo_n "checking whether ${F77-g77} accepts -mieee... " >&6; }
-  if { as_var=octave_cv_f77_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_f77_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -10678,7 +10711,7 @@
   ac_safe=`echo "-ieee" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${F77-g77} accepts -ieee" >&5
 $as_echo_n "checking whether ${F77-g77} accepts -ieee... " >&6; }
-  if { as_var=octave_cv_f77_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_f77_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -10728,7 +10761,7 @@
   ac_safe=`echo "-fpe1" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${F77-g77} accepts -fpe1" >&5
 $as_echo_n "checking whether ${F77-g77} accepts -fpe1... " >&6; }
-  if { as_var=octave_cv_f77_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_f77_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -10797,7 +10830,7 @@
 $as_echo "$as_me: WARNING: Fortran compiler or wrapper script for f2c that functions" >&2;}
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: as a Fortran compiler installed and in your path." >&5
 $as_echo "$as_me: WARNING: as a Fortran compiler installed and in your path." >&2;}
-  as_fn_error "See the file INSTALL for more information." "$LINENO" 5
+  as_fn_error $? "See the file INSTALL for more information." "$LINENO" 5
 fi
 
 XTRA_CRUFT_SH_LDFLAGS=
@@ -10816,7 +10849,7 @@
   ac_safe=`echo "-ffloat-store" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${F77-g77} accepts -ffloat-store" >&5
 $as_echo_n "checking whether ${F77-g77} accepts -ffloat-store... " >&6; }
-  if { as_var=octave_cv_f77_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_f77_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -11117,8 +11150,7 @@
 	save_LIBS="$LIBS"; LIBS="$LIBS"
 	as_ac_var=`$as_echo "ac_cv_func_$sgemm" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$sgemm" "$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 :
   acx_blas_ok=yes
 fi
 
@@ -11175,7 +11207,7 @@
   as_ac_Lib=`$as_echo "ac_cv_lib_f77blas_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lf77blas" >&5
 $as_echo_n "checking for $sgemm in -lf77blas... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11218,8 +11250,7 @@
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cblas_dgemm in -lcblas" >&5
 $as_echo_n "checking for cblas_dgemm in -lcblas... " >&6; }
 if test "${ac_cv_lib_cblas_cblas_dgemm+set}" = set; then :
@@ -11324,7 +11355,7 @@
 	as_ac_Lib=`$as_echo "ac_cv_lib_blas_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lblas" >&5
 $as_echo_n "checking for $sgemm in -lblas... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11367,12 +11398,11 @@
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   as_ac_Lib=`$as_echo "ac_cv_lib_dgemm_$dgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $dgemm in -ldgemm" >&5
 $as_echo_n "checking for $dgemm in -ldgemm... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11415,12 +11445,11 @@
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   as_ac_Lib=`$as_echo "ac_cv_lib_sgemm_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lsgemm" >&5
 $as_echo_n "checking for $sgemm in -lsgemm... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11463,8 +11492,7 @@
 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 :
   acx_blas_ok=yes; BLAS_LIBS="-lsgemm -ldgemm -lblas"
 fi
 
@@ -11479,7 +11507,7 @@
 	as_ac_Lib=`$as_echo "ac_cv_lib_cxml_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lcxml" >&5
 $as_echo_n "checking for $sgemm in -lcxml... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11522,8 +11550,7 @@
 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 :
   acx_blas_ok=yes;BLAS_LIBS="-lcxml"
 fi
 
@@ -11534,7 +11561,7 @@
 	as_ac_Lib=`$as_echo "ac_cv_lib_dxml_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -ldxml" >&5
 $as_echo_n "checking for $sgemm in -ldxml... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11577,8 +11604,7 @@
 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 :
   acx_blas_ok=yes;BLAS_LIBS="-ldxml"
 fi
 
@@ -11635,7 +11661,7 @@
   as_ac_Lib=`$as_echo "ac_cv_lib_sunperf_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lsunperf" >&5
 $as_echo_n "checking for $sgemm in -lsunperf... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11678,8 +11704,7 @@
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   BLAS_LIBS="-lsunperf -lsunmath"
                                  acx_blas_ok=yes
 fi
@@ -11694,7 +11719,7 @@
 	as_ac_Lib=`$as_echo "ac_cv_lib_scs_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lscs" >&5
 $as_echo_n "checking for $sgemm in -lscs... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11737,8 +11762,7 @@
 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 :
   acx_blas_ok=yes; BLAS_LIBS="-lscs"
 fi
 
@@ -11749,7 +11773,7 @@
 	as_ac_Lib=`$as_echo "ac_cv_lib_complib.sgimath_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lcomplib.sgimath" >&5
 $as_echo_n "checking for $sgemm in -lcomplib.sgimath... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11792,8 +11816,7 @@
 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 :
   acx_blas_ok=yes; BLAS_LIBS="-lcomplib.sgimath"
 fi
 
@@ -11804,7 +11827,7 @@
 	as_ac_Lib=`$as_echo "ac_cv_lib_blas_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lblas" >&5
 $as_echo_n "checking for $sgemm in -lblas... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11847,12 +11870,11 @@
 eval ac_res=\$$as_ac_Lib
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Lib
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   as_ac_Lib=`$as_echo "ac_cv_lib_essl_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lessl" >&5
 $as_echo_n "checking for $sgemm in -lessl... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11895,8 +11917,7 @@
 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 :
   acx_blas_ok=yes; BLAS_LIBS="-lessl -lblas"
 fi
 
@@ -11909,7 +11930,7 @@
 	as_ac_Lib=`$as_echo "ac_cv_lib_blas_$sgemm" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sgemm in -lblas" >&5
 $as_echo_n "checking for $sgemm in -lblas... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11952,8 +11973,7 @@
 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 :
   acx_blas_ok=yes; BLAS_LIBS="-lblas"
 fi
 
@@ -11996,8 +12016,8 @@
 	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 > conftest.$ac_ext <<_ACEOF
       program main
@@ -12031,8 +12051,8 @@
 	if test "$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 > conftest.$ac_ext <<_ACEOF
       program main
@@ -12064,8 +12084,8 @@
 	if test "$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 > conftest.$ac_ext <<_ACEOF
       program main
@@ -12096,8 +12116,8 @@
 	if test "$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 > conftest.$ac_ext <<_ACEOF
       program main
@@ -12128,8 +12148,8 @@
 	if test "$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 > conftest.$ac_ext <<_ACEOF
       program main
@@ -12160,8 +12180,8 @@
 	if test "$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 > conftest.$ac_ext <<_ACEOF
       program main
@@ -12312,8 +12332,7 @@
         save_LIBS="$LIBS"; LIBS="$LIBS $BLAS_LIBS $FLIBS"
         as_ac_var=`$as_echo "ac_cv_func_$cheev" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$cheev" "$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 :
   acx_lapack_ok=yes
 fi
 
@@ -12327,7 +12346,7 @@
                 as_ac_Lib=`$as_echo "ac_cv_lib_$lapack''_$cheev" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $cheev in -l$lapack" >&5
 $as_echo_n "checking for $cheev in -l$lapack... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12370,8 +12389,7 @@
 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 :
   acx_lapack_ok=yes; LAPACK_LIBS="-l$lapack"
 fi
 
@@ -12441,7 +12459,7 @@
   as_ac_Lib=`$as_echo "ac_cv_lib_qrupdate_$sqr1up" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $sqr1up in -lqrupdate" >&5
 $as_echo_n "checking for $sqr1up in -lqrupdate... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12484,8 +12502,7 @@
 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 :
   QRUPDATE_LIBS="-lqrupdate"; with_qrupdate=yes
 fi
 
@@ -12521,8 +12538,7 @@
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -12667,8 +12683,7 @@
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -12941,8 +12956,7 @@
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -13034,8 +13048,7 @@
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -13125,8 +13138,7 @@
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -13277,8 +13289,7 @@
 do :
   as_ac_Header=`$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" | $as_tr_cpp` 1
 _ACEOF
@@ -13369,9 +13380,10 @@
 warn_arpack="arpack not found. This will result in a lack of the eigs function."
 if test "$with_arpack" = yes; then
   with_arpack=no
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for F77_FUNC(dseupd,DSEUPD) in -larpack" >&5
+  as_ac_Lib=`$as_echo "ac_cv_lib_arpack_F77_FUNC(dseupd,DSEUPD)" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for F77_FUNC(dseupd,DSEUPD) in -larpack" >&5
 $as_echo_n "checking for F77_FUNC(dseupd,DSEUPD) in -larpack... " >&6; }
-if test "${ac_cv_lib_arpack_F77_FUNC_dseupd_DSEUPD_+set}" = set; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -13403,17 +13415,18 @@
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_arpack_F77_FUNC_dseupd_DSEUPD_=yes
+  eval "$as_ac_Lib=yes"
 else
-  ac_cv_lib_arpack_F77_FUNC_dseupd_DSEUPD_=no
+  eval "$as_ac_Lib=no"
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_arpack_F77_FUNC_dseupd_DSEUPD_" >&5
-$as_echo "$ac_cv_lib_arpack_F77_FUNC_dseupd_DSEUPD_" >&6; }
-if test "x$ac_cv_lib_arpack_F77_FUNC_dseupd_DSEUPD_" = x""yes; then :
+eval ac_res=\$$as_ac_Lib
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
   ARPACK_LIBS="-larpack"; with_arpack=yes
 fi
 
@@ -13473,7 +13486,7 @@
 if $STATIC_LIBS || $SHARED_LIBS; then
   true
 else
-  as_fn_error "You can't disable building static AND shared libraries!" "$LINENO" 5
+  as_fn_error $? "You can't disable building static AND shared libraries!" "$LINENO" 5
 fi
 
 # Check whether --enable-rpath was given.
@@ -14168,9 +14181,8 @@
   if test "$ac_cv_type_short" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (short)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (short)
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_short=0
    fi
@@ -14202,9 +14214,8 @@
   if test "$ac_cv_type_int" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (int)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (int)
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_int=0
    fi
@@ -14236,9 +14247,8 @@
   if test "$ac_cv_type_long" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (long)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (long)
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_long=0
    fi
@@ -14270,9 +14280,8 @@
   if test "$ac_cv_type_long_long" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (long long)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (long long)
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_long_long=0
    fi
@@ -14435,8 +14444,7 @@
   for ac_func in _getb67 GETB67 getb67; do
     as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$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 CRAY_STACKSEG_END $ac_func
@@ -14707,10 +14715,8 @@
 ac_compiler_gnu=$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; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: guessing no" >&5
+$as_echo "guessing no" >&6; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -14811,9 +14817,8 @@
   if test "$ac_cv_type_long_double" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (long double)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (long double)
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_long_double=0
    fi
@@ -14958,7 +14963,7 @@
   as_ac_Header=`$as_echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_hdr that defines DIR" >&5
 $as_echo_n "checking for $ac_hdr that defines DIR... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Header+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -14993,8 +14998,7 @@
 eval ac_res=\$$as_ac_Header
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-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_hdr" | $as_tr_cpp` 1
 _ACEOF
@@ -15240,8 +15244,7 @@
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$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
@@ -15514,10 +15517,10 @@
 
 
   if test "$have_fnmatch" != yes || test "$have_glob" != yes; then
-    as_fn_error "You are required to have fnmatch and glob" "$LINENO" 5
+    as_fn_error $? "You are required to have fnmatch and glob" "$LINENO" 5
   fi
 else
-  as_fn_error "You are required to have fnmatch.h and glob.h" "$LINENO" 5
+  as_fn_error $? "You are required to have fnmatch.h and glob.h" "$LINENO" 5
 fi
 
 ### Checks for functions and variables.
@@ -15537,8 +15540,7 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -15591,8 +15593,7 @@
 do :
   as_ac_var=`$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" | $as_tr_cpp` 1
 _ACEOF
@@ -15760,10 +15761,7 @@
 ac_compiler_gnu=$ac_cv_c_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." "$LINENO" 5; }
+  octave_cv_strptime_broken=yes
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -16057,8 +16055,7 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -16194,8 +16191,7 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$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
@@ -16240,7 +16236,7 @@
   ac_safe=`echo "-rdynamic" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX-g++} accepts -rdynamic" >&5
 $as_echo_n "checking whether ${CXX-g++} accepts -rdynamic... " >&6; }
-  if { as_var=octave_cv_cxx_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cxx_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -16743,8 +16739,7 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -16756,8 +16751,7 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -16786,8 +16780,7 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -16799,8 +16792,7 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -17088,7 +17080,7 @@
   as_ac_Lib=`$as_echo "ac_cv_lib_${termlib}''_tputs" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tputs in -l${termlib}" >&5
 $as_echo_n "checking for tputs in -l${termlib}... " >&6; }
-if { as_var=$as_ac_Lib; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -17131,8 +17123,7 @@
 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 :
   TERMLIBS="${TERMLIBS} -l${termlib}"
 fi
 
@@ -17221,7 +17212,7 @@
 
       { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: I need GNU Readline 4.2 or later" >&5
 $as_echo "$as_me: WARNING: I need GNU Readline 4.2 or later" >&2;}
-      as_fn_error "this is fatal unless you specify --disable-readline" "$LINENO" 5
+      as_fn_error $? "this is fatal unless you specify --disable-readline" "$LINENO" 5
 
 fi
 
@@ -17529,8 +17520,7 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$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" | $as_tr_cpp` 1
 _ACEOF
@@ -17667,7 +17657,7 @@
 {
   tmp=$TMPDIR/sed$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} || as_fn_error "cannot create a temporary directory in $TMPDIR" "$LINENO" 5
+} || as_fn_error $? "cannot create a temporary directory in $TMPDIR" "$LINENO" 5
     _max=0
     _count=0
     # Add /usr/xpg4/bin/sed as it is typically found on Solaris
@@ -17708,7 +17698,7 @@
 
   SED=$octave_cv_path_sed
   if test -z "$SED"; then
-    as_fn_error "no usable version of sed found" "$LINENO" 5
+    as_fn_error $? "no usable version of sed found" "$LINENO" 5
   fi
 fi
 
@@ -17879,7 +17869,7 @@
 elif test -f lexyy.c; then
   ac_cv_prog_lex_root=lexyy
 else
-  as_fn_error "cannot find output from $LEX; giving up" "$LINENO" 5
+  as_fn_error $? "cannot find output from $LEX; giving up" "$LINENO" 5
 fi
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_lex_root" >&5
@@ -18655,7 +18645,7 @@
   ac_safe=`echo "-Wall" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC-cc} accepts -Wall" >&5
 $as_echo_n "checking whether ${CC-cc} accepts -Wall... " >&6; }
-  if { as_var=octave_cv_cc_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cc_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -18720,7 +18710,7 @@
   ac_safe=`echo "-W" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC-cc} accepts -W" >&5
 $as_echo_n "checking whether ${CC-cc} accepts -W... " >&6; }
-  if { as_var=octave_cv_cc_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cc_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -18785,7 +18775,7 @@
   ac_safe=`echo "-Wshadow" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC-cc} accepts -Wshadow" >&5
 $as_echo_n "checking whether ${CC-cc} accepts -Wshadow... " >&6; }
-  if { as_var=octave_cv_cc_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cc_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -18850,7 +18840,7 @@
   ac_safe=`echo "-Wformat" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC-cc} accepts -Wformat" >&5
 $as_echo_n "checking whether ${CC-cc} accepts -Wformat... " >&6; }
-  if { as_var=octave_cv_cc_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cc_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -18916,7 +18906,7 @@
   ac_safe=`echo "-Wall" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX-g++} accepts -Wall" >&5
 $as_echo_n "checking whether ${CXX-g++} accepts -Wall... " >&6; }
-  if { as_var=octave_cv_cxx_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cxx_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -18981,7 +18971,7 @@
   ac_safe=`echo "-W" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX-g++} accepts -W" >&5
 $as_echo_n "checking whether ${CXX-g++} accepts -W... " >&6; }
-  if { as_var=octave_cv_cxx_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cxx_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -19046,7 +19036,7 @@
   ac_safe=`echo "-Wshadow" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX-g++} accepts -Wshadow" >&5
 $as_echo_n "checking whether ${CXX-g++} accepts -Wshadow... " >&6; }
-  if { as_var=octave_cv_cxx_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cxx_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -19111,7 +19101,7 @@
   ac_safe=`echo "-Wold-style-cast" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX-g++} accepts -Wold-style-cast" >&5
 $as_echo_n "checking whether ${CXX-g++} accepts -Wold-style-cast... " >&6; }
-  if { as_var=octave_cv_cxx_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cxx_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -19176,7 +19166,7 @@
   ac_safe=`echo "-Wformat" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX-g++} accepts -Wformat" >&5
 $as_echo_n "checking whether ${CXX-g++} accepts -Wformat... " >&6; }
-  if { as_var=octave_cv_cxx_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cxx_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -19261,7 +19251,7 @@
   ac_safe=`echo "$flag" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC-cc} accepts $flag" >&5
 $as_echo_n "checking whether ${CC-cc} accepts $flag... " >&6; }
-  if { as_var=octave_cv_cc_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cc_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -19328,7 +19318,7 @@
   ac_safe=`echo "$flag" | sed 'y%./+-:=%__p___%'`
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CXX-g++} accepts $flag" >&5
 $as_echo_n "checking whether ${CXX-g++} accepts $flag... " >&6; }
-  if { as_var=octave_cv_cxx_flag_$ac_safe; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval "test \"\${octave_cv_cxx_flag_$ac_safe+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -19503,6 +19493,7 @@
 
 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$//'
@@ -19664,19 +19655,19 @@
 (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
 
@@ -19872,7 +19863,7 @@
       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
@@ -19926,7 +19917,7 @@
 # values after options handling.
 ac_log="
 This file was extended by $as_me, which was
-generated by GNU Autoconf 2.64.  Invocation command line was
+generated by GNU Autoconf 2.67.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -19966,6 +19957,7 @@
 
   -h, --help       print this help, then exit
   -V, --version    print version number and configuration settings, then exit
+      --config     print configuration, then exit
   -q, --quiet, --silent
                    do not print progress messages
   -d, --debug      don't remove temporary files
@@ -19988,12 +19980,13 @@
 
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.64,
-  with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
+configured by $0, generated by GNU Autoconf 2.67,
+  with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2009 Free Software Foundation, Inc.
+Copyright (C) 2010 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -20010,11 +20003,16 @@
 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
@@ -20028,12 +20026,15 @@
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
     $as_echo "$ac_cs_version"; exit ;;
+  --config | --confi | --conf | --con | --co | --c )
+    $as_echo "$ac_cs_config"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
     case $ac_optarg in
     *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    '') as_fn_error $? "missing file argument" ;;
     esac
     as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
@@ -20046,7 +20047,7 @@
     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 ;;
@@ -20055,7 +20056,7 @@
     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 " $1"
@@ -20142,7 +20143,7 @@
     "libcruft/blas-xtra/Makefile") CONFIG_FILES="$CONFIG_FILES libcruft/blas-xtra/Makefile" ;;
     "libcruft/lapack-xtra/Makefile") CONFIG_FILES="$CONFIG_FILES libcruft/lapack-xtra/Makefile" ;;
 
-  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5 ;;
   esac
 done
 
@@ -20180,7 +20181,7 @@
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -20197,7 +20198,7 @@
 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
@@ -20211,18 +20212,18 @@
   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
@@ -20244,7 +20245,7 @@
 t delim
 :nl
 h
-s/\(.\{148\}\).*/\1/
+s/\(.\{148\}\)..*/\1/
 t more1
 s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
 p
@@ -20258,7 +20259,7 @@
 t nl
 :delim
 h
-s/\(.\{148\}\).*/\1/
+s/\(.\{148\}\)..*/\1/
 t more2
 s/["\\]/\\&/g; s/^/"/; s/$/"/
 p
@@ -20311,20 +20312,28 @@
 else
   cat
 fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
-  || as_fn_error "could not setup config files machinery" "$LINENO" 5
+  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
+# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
-s/:*\$(srcdir):*/:/
-s/:*\${srcdir}:*/:/
-s/:*@srcdir@:*/:/
-s/^\([^=]*=[	 ]*\):*/\1/
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
+h
+s///
+s/^/:/
+s/[	 ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
 s/:*$//
+x
+s/\(=[	 ]*\).*/\1/
+G
+s/\n//
 s/^[^=]*=[	 ]*$//
 }'
 fi
@@ -20352,7 +20361,7 @@
   if test -z "$ac_t"; 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 _$ac_delim!! "
   fi
@@ -20437,7 +20446,7 @@
 _ACAWK
 _ACEOF
 cat >>$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"
 
 
@@ -20450,7 +20459,7 @@
   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:$ac_tag.in;;
   esac
@@ -20478,7 +20487,7 @@
 	   [\\/$]*) 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'"
@@ -20505,7 +20514,7 @@
 
     case $ac_tag in
     *:-:* | *:-) cat >"$tmp/stdin" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5  ;;
     esac
     ;;
   esac
@@ -20636,22 +20645,22 @@
 $ac_datarootdir_hack
 "
 eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&5
+which seems to be undefined.  Please make sure it is defined" >&5
 $as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&2;}
+which seems to be undefined.  Please make sure it is defined" >&2;}
 
   rm -f "$tmp/stdin"
   case $ac_file in
   -) cat "$tmp/out" && rm -f "$tmp/out";;
   *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
   esac \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
  ;;
   :H)
   #
@@ -20662,19 +20671,19 @@
       $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
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
     if diff "$ac_file" "$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
+	|| 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
+      || as_fn_error $? "could not create -" "$LINENO" 5
   fi
  ;;
 
@@ -20698,7 +20707,7 @@
 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.
@@ -20719,7 +20728,7 @@
   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
 
 #
@@ -20860,7 +20869,7 @@
       # 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"