diff --git a/acconfig.h b/acconfig.h
index 210f381..f8d6599 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -59,9 +59,6 @@
 /* Define this if you have the type long long */
 #undef HAVE_LONG_LONG
 
-/* Define this if you have a K&R style C preprocessor */
-#undef HAVE_OLD_CPP
-
 /* Define if your compiler supports function prototypes */
 #undef HAVE_PROTOTYPES
 
diff --git a/config.h.in b/config.h.in
index 9c3caf0..53c263d 100644
--- a/config.h.in
+++ b/config.h.in
@@ -127,9 +127,6 @@
 /* Define this if you have the type long long */
 #undef HAVE_LONG_LONG
 
-/* Define this if you have a K&R style C preprocessor */
-#undef HAVE_OLD_CPP
-
 /* Define if your compiler supports function prototypes */
 #undef HAVE_PROTOTYPES
 
@@ -231,6 +228,11 @@
 /* Defined when any dynamic module loading is enabled */
 #undef HAVE_DYNAMIC_LOADING
 
+/* Define if i>>j for signed int i does not extend the sign bit
+   when i < 0
+*/
+#undef SIGNED_RIGHT_SHIFT_ZERO_FILLS
+
 /* The number of bytes in a char.  */
 #undef SIZEOF_CHAR
 
diff --git a/configure b/configure
index e1cff13..0fc436f 100755
--- a/configure
+++ b/configure
@@ -1,9 +1,9 @@
 #! /bin/sh
 
-# From configure.in Revision: 1.132 
+# From configure.in Revision: 1.133 
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.13 
+# Generated automatically using autoconf version 2.14.1 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -369,7 +369,7 @@
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.13"
+    echo "configure generated by autoconf version 2.14.1"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -529,7 +529,7 @@
 
 if test -r "$cache_file"; then
   echo "loading cache $cache_file"
-  . $cache_file
+      test -f "$cache_file" && . $cache_file
 else
   echo "creating cache $cache_file"
   > $cache_file
@@ -786,7 +786,7 @@
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
 echo "configure:789: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_prog_CC+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
@@ -816,7 +816,7 @@
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
 echo "configure:819: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_prog_CC+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
@@ -862,12 +862,12 @@
 
   if test -z "$CC"; then
     case "`uname -s`" in
-    *win32* | *WIN32*)
+    *win32* | *WIN32* | *CYGWIN*)
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
 echo "configure:870: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_prog_CC+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
@@ -897,8 +897,8 @@
   test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
 fi
 
-echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:902: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) works""... $ac_c" 1>&6
+echo "configure:902: checking whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -939,14 +939,14 @@
 if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
-echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:944: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
+echo "configure:944: checking whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
 echo "configure:949: checking whether we are using GNU C" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_prog_gcc+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
@@ -974,7 +974,7 @@
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
 echo "configure:977: checking whether ${CC-cc} accepts -g" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_prog_cc_g+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.c
@@ -1087,7 +1087,7 @@
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
 echo "configure:1090: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_prog_RANLIB+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$RANLIB"; then
@@ -1120,7 +1120,7 @@
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
 echo "configure:1123: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_prog_AR+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$AR"; then
@@ -1199,7 +1199,7 @@
   CPP=
 fi
 if test -z "$CPP"; then
-if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_prog_CPP+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     # This must be in double quotes, not single quotes, because CPP may get
@@ -1299,7 +1299,7 @@
 ac_safe=`echo "minix/config.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for minix/config.h""... $ac_c" 1>&6
 echo "configure:1302: checking for minix/config.h" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
@@ -1348,7 +1348,7 @@
 
 echo $ac_n "checking whether $CC accepts -OPT:Olimit=0""... $ac_c" 1>&6
 echo "configure:1351: checking whether $CC accepts -OPT:Olimit=0" >&5
-if eval "test \"`echo '$''{'ac_cv_opt_olimit_ok'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_opt_olimit_ok+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_cc="$CC"
@@ -1382,7 +1382,7 @@
 else
   echo $ac_n "checking whether $CC accepts -Olimit 1500""... $ac_c" 1>&6
 echo "configure:1385: checking whether $CC accepts -Olimit 1500" >&5
-  if eval "test \"`echo '$''{'ac_cv_olimit_ok'+set}'`\" = set"; then
+  if eval "test \"\${ac_cv_olimit_ok+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_cc="$CC"
@@ -1416,44 +1416,15 @@
   fi
 fi
 
-# check for ANSI or K&R ("traditional") preprocessor
-echo $ac_n "checking for C preprocessor type""... $ac_c" 1>&6
-echo "configure:1422: checking for C preprocessor type" >&5
-cat > conftest.$ac_ext <<EOF
-#line 1424 "configure"
-#include "confdefs.h"
-
-#define spam(name, doc) {#name, &name, #name "() -- " doc}
-int foo;
-struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
-
-int main() {
-;
-; return 0; }
-EOF
-if { (eval echo configure:1435: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  cpp_type=ansi
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  cat >> confdefs.h <<\EOF
-#define HAVE_OLD_CPP 1
-EOF
- cpp_type=traditional
-fi
-rm -f conftest*
-echo "$ac_t""$cpp_type" 1>&6
 
 # checks for header files
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1452: checking for ANSI C header files" >&5
-if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
+echo "configure:1423: checking for ANSI C header files" >&5
+if eval "test \"\${ac_cv_header_stdc+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1457 "configure"
+#line 1428 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1461,7 +1432,7 @@
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1465: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1436: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1478,7 +1449,7 @@
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1482 "configure"
+#line 1453 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1496,7 +1467,7 @@
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1500 "configure"
+#line 1471 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1517,7 +1488,7 @@
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1521 "configure"
+#line 1492 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1528,7 +1499,7 @@
 exit (0); }
 
 EOF
-if { (eval echo configure:1532: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1503: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1559,17 +1530,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1563: checking for $ac_hdr" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+echo "configure:1534: checking for $ac_hdr" >&5
+if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1568 "configure"
+#line 1539 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1573: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1544: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1600,12 +1571,12 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
-echo "configure:1604: checking for $ac_hdr that defines DIR" >&5
-if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
+echo "configure:1575: checking for $ac_hdr that defines DIR" >&5
+if eval "test \"\${ac_cv_header_dirent_$ac_safe+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1609 "configure"
+#line 1580 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_hdr>
@@ -1613,7 +1584,7 @@
 DIR *dirp = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:1617: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1588: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_header_dirent_$ac_safe=yes"
 else
@@ -1638,15 +1609,15 @@
 # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
 if test $ac_header_dirent = dirent.h; then
 echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
-echo "configure:1642: checking for opendir in -ldir" >&5
+echo "configure:1613: checking for opendir in -ldir" >&5
 ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-ldir  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1650 "configure"
+#line 1621 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1657,7 +1628,7 @@
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:1661: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1632: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1679,15 +1650,15 @@
 
 else
 echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
-echo "configure:1683: checking for opendir in -lx" >&5
+echo "configure:1654: checking for opendir in -lx" >&5
 ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lx  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1691 "configure"
+#line 1662 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1698,7 +1669,7 @@
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:1702: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1673: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1724,9 +1695,9 @@
 # checks for typedefs
 was_it_defined=no
 echo $ac_n "checking for clock_t in time.h""... $ac_c" 1>&6
-echo "configure:1728: checking for clock_t in time.h" >&5
+echo "configure:1699: checking for clock_t in time.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 1730 "configure"
+#line 1701 "configure"
 #include "confdefs.h"
 #include <time.h>
 EOF
@@ -1754,12 +1725,12 @@
 
 # Type availability checks
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:1758: checking for mode_t" >&5
-if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
+echo "configure:1729: checking for mode_t" >&5
+if eval "test \"\${ac_cv_type_mode_t+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1763 "configure"
+#line 1734 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1770,29 +1741,31 @@
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   egrep "(^|[^a-zA-Z_0-9])mode_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
   rm -rf conftest*
-  ac_cv_type_mode_t=yes
+  eval "ac_cv_type_mode_t=yes"
 else
   rm -rf conftest*
-  ac_cv_type_mode_t=no
+  eval "ac_cv_type_mode_t=no"
 fi
 rm -f conftest*
 
 fi
-echo "$ac_t""$ac_cv_type_mode_t" 1>&6
-if test $ac_cv_type_mode_t = no; then
-  cat >> confdefs.h <<\EOF
+if eval "test \"`echo '$ac_cv_type_'mode_t`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+  cat >> confdefs.h <<EOF
 #define mode_t int
 EOF
 
 fi
 
 echo $ac_n "checking for off_t""... $ac_c" 1>&6
-echo "configure:1791: checking for off_t" >&5
-if eval "test \"`echo '$''{'ac_cv_type_off_t'+set}'`\" = set"; then
+echo "configure:1764: checking for off_t" >&5
+if eval "test \"\${ac_cv_type_off_t+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1796 "configure"
+#line 1769 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1803,29 +1776,31 @@
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   egrep "(^|[^a-zA-Z_0-9])off_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
   rm -rf conftest*
-  ac_cv_type_off_t=yes
+  eval "ac_cv_type_off_t=yes"
 else
   rm -rf conftest*
-  ac_cv_type_off_t=no
+  eval "ac_cv_type_off_t=no"
 fi
 rm -f conftest*
 
 fi
-echo "$ac_t""$ac_cv_type_off_t" 1>&6
-if test $ac_cv_type_off_t = no; then
-  cat >> confdefs.h <<\EOF
+if eval "test \"`echo '$ac_cv_type_'off_t`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+  cat >> confdefs.h <<EOF
 #define off_t long
 EOF
 
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:1824: checking for pid_t" >&5
-if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
+echo "configure:1799: checking for pid_t" >&5
+if eval "test \"\${ac_cv_type_pid_t+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1829 "configure"
+#line 1804 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1836,29 +1811,31 @@
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   egrep "(^|[^a-zA-Z_0-9])pid_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
   rm -rf conftest*
-  ac_cv_type_pid_t=yes
+  eval "ac_cv_type_pid_t=yes"
 else
   rm -rf conftest*
-  ac_cv_type_pid_t=no
+  eval "ac_cv_type_pid_t=no"
 fi
 rm -f conftest*
 
 fi
-echo "$ac_t""$ac_cv_type_pid_t" 1>&6
-if test $ac_cv_type_pid_t = no; then
-  cat >> confdefs.h <<\EOF
+if eval "test \"`echo '$ac_cv_type_'pid_t`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+  cat >> confdefs.h <<EOF
 #define pid_t int
 EOF
 
 fi
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:1857: checking return type of signal handlers" >&5
-if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
+echo "configure:1834: checking return type of signal handlers" >&5
+if eval "test \"\${ac_cv_type_signal+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1862 "configure"
+#line 1839 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -1875,7 +1852,7 @@
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:1879: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1856: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -1894,12 +1871,12 @@
 
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:1898: checking for size_t" >&5
-if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
+echo "configure:1875: checking for size_t" >&5
+if eval "test \"\${ac_cv_type_size_t+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1903 "configure"
+#line 1880 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1910,29 +1887,31 @@
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   egrep "(^|[^a-zA-Z_0-9])size_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
   rm -rf conftest*
-  ac_cv_type_size_t=yes
+  eval "ac_cv_type_size_t=yes"
 else
   rm -rf conftest*
-  ac_cv_type_size_t=no
+  eval "ac_cv_type_size_t=no"
 fi
 rm -f conftest*
 
 fi
-echo "$ac_t""$ac_cv_type_size_t" 1>&6
-if test $ac_cv_type_size_t = no; then
-  cat >> confdefs.h <<\EOF
+if eval "test \"`echo '$ac_cv_type_'size_t`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+  cat >> confdefs.h <<EOF
 #define size_t unsigned
 EOF
 
 fi
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:1931: checking for uid_t in sys/types.h" >&5
-if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
+echo "configure:1910: checking for uid_t in sys/types.h" >&5
+if eval "test \"\${ac_cv_type_uid_t+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1936 "configure"
+#line 1915 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -1963,15 +1942,15 @@
 
 # Sizes of various common basic types
 echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:1967: checking size of int" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
+echo "configure:1946: checking size of int" >&5
+if eval "test \"\${ac_cv_sizeof_int+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1975 "configure"
+#line 1954 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -1982,7 +1961,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:1986: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1965: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_int=`cat conftestval`
 else
@@ -2002,15 +1981,15 @@
 
 
 echo $ac_n "checking size of long""... $ac_c" 1>&6
-echo "configure:2006: checking size of long" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
+echo "configure:1985: checking size of long" >&5
+if eval "test \"\${ac_cv_sizeof_long+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2014 "configure"
+#line 1993 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2021,7 +2000,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2025: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2004: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long=`cat conftestval`
 else
@@ -2041,15 +2020,15 @@
 
 
 echo $ac_n "checking size of void *""... $ac_c" 1>&6
-echo "configure:2045: checking size of void *" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_void_p'+set}'`\" = set"; then
+echo "configure:2024: checking size of void *" >&5
+if eval "test \"\${ac_cv_sizeof_void_p+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2053 "configure"
+#line 2032 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2060,7 +2039,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2064: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2043: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_void_p=`cat conftestval`
 else
@@ -2080,15 +2059,15 @@
 
 
 echo $ac_n "checking size of char""... $ac_c" 1>&6
-echo "configure:2084: checking size of char" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_char'+set}'`\" = set"; then
+echo "configure:2063: checking size of char" >&5
+if eval "test \"\${ac_cv_sizeof_char+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2092 "configure"
+#line 2071 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2099,7 +2078,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2103: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2082: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_char=`cat conftestval`
 else
@@ -2119,15 +2098,15 @@
 
 
 echo $ac_n "checking size of short""... $ac_c" 1>&6
-echo "configure:2123: checking size of short" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
+echo "configure:2102: checking size of short" >&5
+if eval "test \"\${ac_cv_sizeof_short+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2131 "configure"
+#line 2110 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2138,7 +2117,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2142: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2121: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_short=`cat conftestval`
 else
@@ -2158,15 +2137,15 @@
 
 
 echo $ac_n "checking size of float""... $ac_c" 1>&6
-echo "configure:2162: checking size of float" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_float'+set}'`\" = set"; then
+echo "configure:2141: checking size of float" >&5
+if eval "test \"\${ac_cv_sizeof_float+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2170 "configure"
+#line 2149 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2177,7 +2156,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2181: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2160: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_float=`cat conftestval`
 else
@@ -2197,15 +2176,15 @@
 
 
 echo $ac_n "checking size of double""... $ac_c" 1>&6
-echo "configure:2201: checking size of double" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_double'+set}'`\" = set"; then
+echo "configure:2180: checking size of double" >&5
+if eval "test \"\${ac_cv_sizeof_double+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2209 "configure"
+#line 2188 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2216,7 +2195,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2220: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2199: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_double=`cat conftestval`
 else
@@ -2236,15 +2215,15 @@
 
 
 echo $ac_n "checking size of fpos_t""... $ac_c" 1>&6
-echo "configure:2240: checking size of fpos_t" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_fpos_t'+set}'`\" = set"; then
+echo "configure:2219: checking size of fpos_t" >&5
+if eval "test \"\${ac_cv_sizeof_fpos_t+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2248 "configure"
+#line 2227 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2255,7 +2234,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2259: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2238: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_fpos_t=`cat conftestval`
 else
@@ -2276,17 +2255,17 @@
 
 
 echo $ac_n "checking for long long support""... $ac_c" 1>&6
-echo "configure:2280: checking for long long support" >&5
+echo "configure:2259: checking for long long support" >&5
 have_long_long=no
 cat > conftest.$ac_ext <<EOF
-#line 2283 "configure"
+#line 2262 "configure"
 #include "confdefs.h"
 
 int main() {
 long long x; x = (long long)0;
 ; return 0; }
 EOF
-if { (eval echo configure:2290: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2269: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_LONG_LONG 1
@@ -2300,15 +2279,15 @@
 echo "$ac_t""$have_long_long" 1>&6
 if test "$have_long_long" = yes ; then
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:2304: checking size of long long" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
+echo "configure:2283: checking size of long long" >&5
+if eval "test \"\${ac_cv_sizeof_long_long+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2312 "configure"
+#line 2291 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2319,7 +2298,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2323: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2302: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_long=`cat conftestval`
 else
@@ -2342,15 +2321,15 @@
 
 # Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
 echo $ac_n "checking size of off_t""... $ac_c" 1>&6
-echo "configure:2346: checking size of off_t" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_off_t'+set}'`\" = set"; then
+echo "configure:2325: checking size of off_t" >&5
+if eval "test \"\${ac_cv_sizeof_off_t+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2354 "configure"
+#line 2333 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -2362,7 +2341,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2366: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2345: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_off_t=`cat conftestval`
 else
@@ -2384,7 +2363,7 @@
 
 
 echo $ac_n "checking whether to enable large file support""... $ac_c" 1>&6
-echo "configure:2388: checking whether to enable large file support" >&5
+echo "configure:2367: checking whether to enable large file support" >&5
 if test "$have_long_long" = yes -a \
 	"$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
 	"$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then
@@ -2399,15 +2378,15 @@
 
 # AC_CHECK_SIZEOF() doesn't include <time.h>.
 echo $ac_n "checking size of time_t""... $ac_c" 1>&6
-echo "configure:2403: checking size of time_t" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_time_t'+set}'`\" = set"; then
+echo "configure:2382: checking size of time_t" >&5
+if eval "test \"\${ac_cv_sizeof_time_t+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2411 "configure"
+#line 2390 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <time.h>
@@ -2419,7 +2398,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2423: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2402: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_time_t=`cat conftestval`
 else
@@ -2453,7 +2432,7 @@
 esac
 
 echo $ac_n "checking for --with-next-framework""... $ac_c" 1>&6
-echo "configure:2457: checking for --with-next-framework" >&5
+echo "configure:2436: checking for --with-next-framework" >&5
 if test "$with_next_framework"
 then
 	OPT="$OPT -fno-common"
@@ -2470,7 +2449,7 @@
 fi
 
 echo $ac_n "checking for --with-dyld""... $ac_c" 1>&6
-echo "configure:2474: checking for --with-dyld" >&5
+echo "configure:2453: checking for --with-dyld" >&5
 if test "$with_next_framework" -o "$with_dyld"
 then
 	if test "$with_dyld"
@@ -2496,7 +2475,7 @@
 # SO is the extension of shared libraries `(including the dot!)
 # -- usually .so, .sl on HP-UX
 echo $ac_n "checking SO""... $ac_c" 1>&6
-echo "configure:2500: checking SO" >&5
+echo "configure:2479: checking SO" >&5
 if test -z "$SO"
 then
 	case $ac_sys_system in
@@ -2510,7 +2489,7 @@
 # (Shared libraries in this instance are shared modules to be loaded into
 # Python, as opposed to building Python itself as a shared library.)
 echo $ac_n "checking LDSHARED""... $ac_c" 1>&6
-echo "configure:2514: checking LDSHARED" >&5
+echo "configure:2493: checking LDSHARED" >&5
 if test -z "$LDSHARED"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -2555,7 +2534,7 @@
 # CCSHARED are the C *flags* used to create objects to go into a shared
 # library (module) -- this is only needed for a few systems
 echo $ac_n "checking CCSHARED""... $ac_c" 1>&6
-echo "configure:2559: checking CCSHARED" >&5
+echo "configure:2538: checking CCSHARED" >&5
 if test -z "$CCSHARED"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -2578,7 +2557,7 @@
 # LINKFORSHARED are the flags passed to the $(CC) command that links
 # the python executable -- this is only needed for a few systems
 echo $ac_n "checking LINKFORSHARED""... $ac_c" 1>&6
-echo "configure:2582: checking LINKFORSHARED" >&5
+echo "configure:2561: checking LINKFORSHARED" >&5
 if test -z "$LINKFORSHARED"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -2614,15 +2593,15 @@
 
 # checks for libraries
 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:2618: checking for dlopen in -ldl" >&5
+echo "configure:2597: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2626 "configure"
+#line 2605 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2633,7 +2612,7 @@
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:2637: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2616: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2661,15 +2640,15 @@
 fi
 	# Dynamic linking for SunOS/Solaris and SYSV
 echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:2665: checking for shl_load in -ldld" >&5
+echo "configure:2644: checking for shl_load in -ldld" >&5
 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2673 "configure"
+#line 2652 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2680,7 +2659,7 @@
 shl_load()
 ; return 0; }
 EOF
-if { (eval echo configure:2684: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2663: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2711,16 +2690,16 @@
 # checks for system dependent C++ extensions support
 case "$ac_sys_system" in
 	AIX*)	echo $ac_n "checking for genuine AIX C++ extensions support""... $ac_c" 1>&6
-echo "configure:2715: checking for genuine AIX C++ extensions support" >&5
+echo "configure:2694: checking for genuine AIX C++ extensions support" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 2717 "configure"
+#line 2696 "configure"
 #include "confdefs.h"
 #include "/usr/lpp/xlC/include/load.h"
 int main() {
 loadAndInit("", 0, "")
 ; return 0; }
 EOF
-if { (eval echo configure:2724: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2703: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define AIX_GENUINE_CPLUSPLUS 1
@@ -2744,15 +2723,15 @@
 IRIX*) ;;
 *)
 echo $ac_n "checking for t_open in -lnsl""... $ac_c" 1>&6
-echo "configure:2748: checking for t_open in -lnsl" >&5
+echo "configure:2727: checking for t_open in -lnsl" >&5
 ac_lib_var=`echo nsl'_'t_open | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2756 "configure"
+#line 2735 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2763,7 +2742,7 @@
 t_open()
 ; return 0; }
 EOF
-if { (eval echo configure:2767: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2746: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2784,15 +2763,15 @@
 fi
  # SVR4
 echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
-echo "configure:2788: checking for socket in -lsocket" >&5
+echo "configure:2767: checking for socket in -lsocket" >&5
 ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket $LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2796 "configure"
+#line 2775 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2803,7 +2782,7 @@
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:2807: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2786: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2824,15 +2803,15 @@
 fi
  # SVR4 sockets
 echo $ac_n "checking for socket in -lnet""... $ac_c" 1>&6
-echo "configure:2828: checking for socket in -lnet" >&5
+echo "configure:2807: checking for socket in -lnet" >&5
 ac_lib_var=`echo net'_'socket | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lnet $LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2836 "configure"
+#line 2815 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2843,7 +2822,7 @@
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:2847: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2826: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2867,7 +2846,7 @@
 esac
 
 echo $ac_n "checking for --with-libs""... $ac_c" 1>&6
-echo "configure:2871: checking for --with-libs" >&5
+echo "configure:2850: checking for --with-libs" >&5
 # Check whether --with-libs or --without-libs was given.
 if test "${with_libs+set}" = set; then
   withval="$with_libs"
@@ -2881,7 +2860,7 @@
 
 
 echo $ac_n "checking for --with(out)-readline""... $ac_c" 1>&6
-echo "configure:2885: checking for --with(out)-readline" >&5
+echo "configure:2864: checking for --with(out)-readline" >&5
 # Check whether --with-readline or --without-readline was given.
 if test "${with_readline+set}" = set; then
   withval="$with_readline"
@@ -2896,7 +2875,7 @@
 USE_THREAD_MODULE=""
 
 echo $ac_n "checking for --with-dec-threads""... $ac_c" 1>&6
-echo "configure:2900: checking for --with-dec-threads" >&5
+echo "configure:2879: checking for --with-dec-threads" >&5
 
 # Check whether --with-dec-threads or --without-dec-threads was given.
 if test "${with_dec_threads+set}" = set; then
@@ -2913,7 +2892,7 @@
 
 
 echo $ac_n "checking for --with-threads""... $ac_c" 1>&6
-echo "configure:2917: checking for --with-threads" >&5
+echo "configure:2896: checking for --with-threads" >&5
 # Check whether --with-threads or --without-threads was given.
 if test "${with_threads+set}" = set; then
   withval="$with_threads"
@@ -2951,17 +2930,17 @@
 
     ac_safe=`echo "mach/cthreads.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for mach/cthreads.h""... $ac_c" 1>&6
-echo "configure:2955: checking for mach/cthreads.h" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+echo "configure:2934: checking for mach/cthreads.h" >&5
+if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2960 "configure"
+#line 2939 "configure"
 #include "confdefs.h"
 #include <mach/cthreads.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2965: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2944: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2990,15 +2969,15 @@
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:2994: checking for pthread_create in -lpthread" >&5
+echo "configure:2973: checking for pthread_create in -lpthread" >&5
 ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3002 "configure"
+#line 2981 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3009,7 +2988,7 @@
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3013: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2992: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3038,12 +3017,12 @@
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for pthread_detach""... $ac_c" 1>&6
-echo "configure:3042: checking for pthread_detach" >&5
-if eval "test \"`echo '$''{'ac_cv_func_pthread_detach'+set}'`\" = set"; then
+echo "configure:3021: checking for pthread_detach" >&5
+if eval "test \"\${ac_cv_func_pthread_detach+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3047 "configure"
+#line 3026 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char pthread_detach(); below.  */
@@ -3052,6 +3031,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char pthread_detach();
+char (*f)();
 
 int main() {
 
@@ -3061,12 +3041,12 @@
 #if defined (__stub_pthread_detach) || defined (__stub___pthread_detach)
 choke me
 #else
-pthread_detach();
+f = pthread_detach;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3070: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3050: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_pthread_detach=yes"
 else
@@ -3094,17 +3074,17 @@
 
     ac_safe=`echo "kernel/OS.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for kernel/OS.h""... $ac_c" 1>&6
-echo "configure:3098: checking for kernel/OS.h" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+echo "configure:3078: checking for kernel/OS.h" >&5
+if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3103 "configure"
+#line 3083 "configure"
 #include "confdefs.h"
 #include <kernel/OS.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3108: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3088: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3133,15 +3113,15 @@
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
-echo "configure:3137: checking for pthread_create in -lpthreads" >&5
+echo "configure:3117: checking for pthread_create in -lpthreads" >&5
 ac_lib_var=`echo pthreads'_'pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthreads  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3145 "configure"
+#line 3125 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3152,7 +3132,7 @@
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3156: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3136: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3181,15 +3161,15 @@
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
-echo "configure:3185: checking for pthread_create in -lc_r" >&5
+echo "configure:3165: checking for pthread_create in -lc_r" >&5
 ac_lib_var=`echo c_r'_'pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lc_r  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3193 "configure"
+#line 3173 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3200,7 +3180,7 @@
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3204: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3184: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3229,15 +3209,15 @@
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for __d6_pthread_create in -lthread""... $ac_c" 1>&6
-echo "configure:3233: checking for __d6_pthread_create in -lthread" >&5
+echo "configure:3213: checking for __d6_pthread_create in -lthread" >&5
 ac_lib_var=`echo thread'_'__d6_pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3241 "configure"
+#line 3221 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3248,7 +3228,7 @@
 __d6_pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3252: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3232: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3277,15 +3257,15 @@
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for pth_init in -lpth""... $ac_c" 1>&6
-echo "configure:3281: checking for pth_init in -lpth" >&5
+echo "configure:3261: checking for pth_init in -lpth" >&5
 ac_lib_var=`echo pth'_'pth_init | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lpth  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3289 "configure"
+#line 3269 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3296,7 +3276,7 @@
 pth_init()
 ; return 0; }
 EOF
-if { (eval echo configure:3300: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3280: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3325,15 +3305,15 @@
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for pthread_create in -lcma""... $ac_c" 1>&6
-echo "configure:3329: checking for pthread_create in -lcma" >&5
+echo "configure:3309: checking for pthread_create in -lcma" >&5
 ac_lib_var=`echo cma'_'pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lcma  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3337 "configure"
+#line 3317 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3344,7 +3324,7 @@
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3348: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3328: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3392,15 +3372,15 @@
 
 
     echo $ac_n "checking for usconfig in -lmpc""... $ac_c" 1>&6
-echo "configure:3396: checking for usconfig in -lmpc" >&5
+echo "configure:3376: checking for usconfig in -lmpc" >&5
 ac_lib_var=`echo mpc'_'usconfig | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lmpc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3404 "configure"
+#line 3384 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3411,7 +3391,7 @@
 usconfig()
 ; return 0; }
 EOF
-if { (eval echo configure:3415: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3395: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3437,15 +3417,15 @@
 fi
 
     echo $ac_n "checking for thr_create in -lthread""... $ac_c" 1>&6
-echo "configure:3441: checking for thr_create in -lthread" >&5
+echo "configure:3421: checking for thr_create in -lthread" >&5
 ac_lib_var=`echo thread'_'thr_create | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3449 "configure"
+#line 3429 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3456,7 +3436,7 @@
 thr_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3460: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3440: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3487,7 +3467,7 @@
 
 USE_GC_MODULE=""
 echo $ac_n "checking for --with-cycle-gc""... $ac_c" 1>&6
-echo "configure:3491: checking for --with-cycle-gc" >&5
+echo "configure:3471: checking for --with-cycle-gc" >&5
 # Check whether --with-cycle-gc or --without-cycle-gc was given.
 if test "${with_cycle_gc+set}" = set; then
   withval="$with_cycle_gc"
@@ -3511,7 +3491,7 @@
 
 # Check for --with-wctype-functions
 echo $ac_n "checking for --with-wctype-functions""... $ac_c" 1>&6
-echo "configure:3515: checking for --with-wctype-functions" >&5
+echo "configure:3495: checking for --with-wctype-functions" >&5
 # Check whether --with-wctype-functions or --without-wctype-functions was given.
 if test "${with_wctype_functions+set}" = set; then
   withval="$with_wctype_functions"
@@ -3533,7 +3513,7 @@
 DLINCLDIR=/
 
 echo $ac_n "checking for --with-sgi-dl""... $ac_c" 1>&6
-echo "configure:3537: checking for --with-sgi-dl" >&5
+echo "configure:3517: checking for --with-sgi-dl" >&5
 # Check whether --with-sgi-dl or --without-sgi-dl was given.
 if test "${with_sgi_dl+set}" = set; then
   withval="$with_sgi_dl"
@@ -3557,7 +3537,7 @@
 
 
 echo $ac_n "checking for --with-dl-dld""... $ac_c" 1>&6
-echo "configure:3561: checking for --with-dl-dld" >&5
+echo "configure:3541: checking for --with-dl-dld" >&5
 # Check whether --with-dl-dld or --without-dl-dld was given.
 if test "${with_dl_dld+set}" = set; then
   withval="$with_dl_dld"
@@ -3584,12 +3564,12 @@
 # the dlopen() function means we might want to use dynload_shlib.o. some
 # platforms, such as AIX, have dlopen(), but don't want to use it.
 echo $ac_n "checking for dlopen""... $ac_c" 1>&6
-echo "configure:3588: checking for dlopen" >&5
-if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
+echo "configure:3568: checking for dlopen" >&5
+if eval "test \"\${ac_cv_func_dlopen+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3593 "configure"
+#line 3573 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char dlopen(); below.  */
@@ -3598,6 +3578,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char dlopen();
+char (*f)();
 
 int main() {
 
@@ -3607,12 +3588,12 @@
 #if defined (__stub_dlopen) || defined (__stub___dlopen)
 choke me
 #else
-dlopen();
+f = dlopen;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3616: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3597: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_dlopen=yes"
 else
@@ -3636,7 +3617,7 @@
 # loading of modules.
 
 echo $ac_n "checking DYNLOADFILE""... $ac_c" 1>&6
-echo "configure:3640: checking DYNLOADFILE" >&5
+echo "configure:3621: checking DYNLOADFILE" >&5
 if test -z "$DYNLOADFILE"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -3676,12 +3657,12 @@
  truncate uname waitpid
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3680: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+echo "configure:3661: checking for $ac_func" >&5
+if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3685 "configure"
+#line 3666 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3690,6 +3671,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
+char (*f)();
 
 int main() {
 
@@ -3699,12 +3681,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-$ac_func();
+f = $ac_func;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3708: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3690: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3734,12 +3716,12 @@
 for ac_func in openpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3738: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+echo "configure:3720: checking for $ac_func" >&5
+if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3743 "configure"
+#line 3725 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3748,6 +3730,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
+char (*f)();
 
 int main() {
 
@@ -3757,12 +3740,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-$ac_func();
+f = $ac_func;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3766: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3749: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3784,15 +3767,15 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for openpty in -lutil""... $ac_c" 1>&6
-echo "configure:3788: checking for openpty in -lutil" >&5
+echo "configure:3771: checking for openpty in -lutil" >&5
 ac_lib_var=`echo util'_'openpty | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lutil  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3796 "configure"
+#line 3779 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3803,7 +3786,7 @@
 openpty()
 ; return 0; }
 EOF
-if { (eval echo configure:3807: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3790: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3832,12 +3815,12 @@
 for ac_func in forkpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3836: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+echo "configure:3819: checking for $ac_func" >&5
+if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3841 "configure"
+#line 3824 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3846,6 +3829,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
+char (*f)();
 
 int main() {
 
@@ -3855,12 +3839,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-$ac_func();
+f = $ac_func;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3864: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3848: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3882,15 +3866,15 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for forkpty in -lutil""... $ac_c" 1>&6
-echo "configure:3886: checking for forkpty in -lutil" >&5
+echo "configure:3870: checking for forkpty in -lutil" >&5
 ac_lib_var=`echo util'_'forkpty | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lutil  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3894 "configure"
+#line 3878 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3901,7 +3885,7 @@
 forkpty()
 ; return 0; }
 EOF
-if { (eval echo configure:3905: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3889: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3932,12 +3916,12 @@
 for ac_func in fseek64 fseeko fstatvfs ftell64 ftello statvfs
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3936: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+echo "configure:3920: checking for $ac_func" >&5
+if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3941 "configure"
+#line 3925 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3946,6 +3930,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
+char (*f)();
 
 int main() {
 
@@ -3955,12 +3940,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-$ac_func();
+f = $ac_func;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3964: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3949: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3988,12 +3973,12 @@
 for ac_func in dup2 getcwd strdup strerror memmove
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3992: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+echo "configure:3977: checking for $ac_func" >&5
+if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3997 "configure"
+#line 3982 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4002,6 +3987,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
+char (*f)();
 
 int main() {
 
@@ -4011,12 +3997,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-$ac_func();
+f = $ac_func;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4020: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4006: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4043,12 +4029,12 @@
 
 
 echo $ac_n "checking for getpgrp""... $ac_c" 1>&6
-echo "configure:4047: checking for getpgrp" >&5
-if eval "test \"`echo '$''{'ac_cv_func_getpgrp'+set}'`\" = set"; then
+echo "configure:4033: checking for getpgrp" >&5
+if eval "test \"\${ac_cv_func_getpgrp+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4052 "configure"
+#line 4038 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getpgrp(); below.  */
@@ -4057,6 +4043,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char getpgrp();
+char (*f)();
 
 int main() {
 
@@ -4066,12 +4053,12 @@
 #if defined (__stub_getpgrp) || defined (__stub___getpgrp)
 choke me
 #else
-getpgrp();
+f = getpgrp;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4075: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4062: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getpgrp=yes"
 else
@@ -4086,14 +4073,14 @@
 if eval "test \"`echo '$ac_cv_func_'getpgrp`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   cat > conftest.$ac_ext <<EOF
-#line 4090 "configure"
+#line 4077 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 getpgrp(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4097: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4084: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define GETPGRP_HAVE_ARG 1
@@ -4109,12 +4096,12 @@
 fi
 
 echo $ac_n "checking for setpgrp""... $ac_c" 1>&6
-echo "configure:4113: checking for setpgrp" >&5
-if eval "test \"`echo '$''{'ac_cv_func_setpgrp'+set}'`\" = set"; then
+echo "configure:4100: checking for setpgrp" >&5
+if eval "test \"\${ac_cv_func_setpgrp+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4118 "configure"
+#line 4105 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char setpgrp(); below.  */
@@ -4123,6 +4110,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char setpgrp();
+char (*f)();
 
 int main() {
 
@@ -4132,12 +4120,12 @@
 #if defined (__stub_setpgrp) || defined (__stub___setpgrp)
 choke me
 #else
-setpgrp();
+f = setpgrp;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4141: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4129: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_setpgrp=yes"
 else
@@ -4152,14 +4140,14 @@
 if eval "test \"`echo '$ac_cv_func_'setpgrp`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   cat > conftest.$ac_ext <<EOF
-#line 4156 "configure"
+#line 4144 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 setpgrp(0,0);
 ; return 0; }
 EOF
-if { (eval echo configure:4163: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4151: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define SETPGRP_HAVE_ARG 1
@@ -4175,12 +4163,12 @@
 fi
 
 echo $ac_n "checking for gettimeofday""... $ac_c" 1>&6
-echo "configure:4179: checking for gettimeofday" >&5
-if eval "test \"`echo '$''{'ac_cv_func_gettimeofday'+set}'`\" = set"; then
+echo "configure:4167: checking for gettimeofday" >&5
+if eval "test \"\${ac_cv_func_gettimeofday+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4184 "configure"
+#line 4172 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gettimeofday(); below.  */
@@ -4189,6 +4177,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char gettimeofday();
+char (*f)();
 
 int main() {
 
@@ -4198,12 +4187,12 @@
 #if defined (__stub_gettimeofday) || defined (__stub___gettimeofday)
 choke me
 #else
-gettimeofday();
+f = gettimeofday;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4207: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4196: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gettimeofday=yes"
 else
@@ -4218,14 +4207,14 @@
 if eval "test \"`echo '$ac_cv_func_'gettimeofday`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   cat > conftest.$ac_ext <<EOF
-#line 4222 "configure"
+#line 4211 "configure"
 #include "confdefs.h"
 #include <sys/time.h>
 int main() {
 gettimeofday((struct timeval*)0,(struct timezone*)0);
 ; return 0; }
 EOF
-if { (eval echo configure:4229: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4218: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -4244,12 +4233,12 @@
 
 # checks for structures
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:4248: checking whether time.h and sys/time.h may both be included" >&5
-if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
+echo "configure:4237: checking whether time.h and sys/time.h may both be included" >&5
+if eval "test \"\${ac_cv_header_time+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4253 "configure"
+#line 4242 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -4258,7 +4247,7 @@
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:4262: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4251: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -4279,12 +4268,12 @@
 fi
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:4283: checking whether struct tm is in sys/time.h or time.h" >&5
-if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
+echo "configure:4272: checking whether struct tm is in sys/time.h or time.h" >&5
+if eval "test \"\${ac_cv_struct_tm+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4288 "configure"
+#line 4277 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -4292,7 +4281,7 @@
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:4296: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4285: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -4312,46 +4301,47 @@
 
 fi
 
-echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
-echo "configure:4317: checking for tm_zone in struct tm" >&5
-if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
+echo $ac_n "checking for member tm_zone in aggregate type struct tm""... $ac_c" 1>&6
+echo "configure:4306: checking for member tm_zone in aggregate type struct tm" >&5
+if eval "test \"\${ac_cv_c_struct_member_tm_zone+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4322 "configure"
+#line 4311 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
 int main() {
-struct tm tm; tm.tm_zone;
+struct tm foo; foo.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:4330: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4319: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  ac_cv_struct_tm_zone=yes
+  ac_cv_c_struct_member_tm_zone=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  ac_cv_struct_tm_zone=no
+  ac_cv_c_struct_member_tm_zone=no
 fi
 rm -f conftest*
 fi
 
-echo "$ac_t""$ac_cv_struct_tm_zone" 1>&6
-if test "$ac_cv_struct_tm_zone" = yes; then
+echo "$ac_t""$ac_cv_c_struct_member_tm_zone" 1>&6
+tm_zone="$ac_cv_c_struct_member_tm_zone"
+if test "$ac_cv_c_struct_member_tm_zone" = yes; then
   cat >> confdefs.h <<\EOF
 #define HAVE_TM_ZONE 1
 EOF
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:4350: checking for tzname" >&5
-if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
+echo "configure:4340: checking for tzname" >&5
+if eval "test \"\${ac_cv_var_tzname+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4355 "configure"
+#line 4345 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -4361,7 +4351,7 @@
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:4365: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4355: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -4384,19 +4374,19 @@
 
 
 echo $ac_n "checking for time.h that defines altzone""... $ac_c" 1>&6
-echo "configure:4388: checking for time.h that defines altzone" >&5
-if eval "test \"`echo '$''{'ac_cv_header_time_altzone'+set}'`\" = set"; then
+echo "configure:4378: checking for time.h that defines altzone" >&5
+if eval "test \"\${ac_cv_header_time_altzone+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4393 "configure"
+#line 4383 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 return altzone;
 ; return 0; }
 EOF
-if { (eval echo configure:4400: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4390: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time_altzone=yes
 else
@@ -4418,9 +4408,9 @@
 
 was_it_defined=no
 echo $ac_n "checking whether sys/select.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:4422: checking whether sys/select.h and sys/time.h may both be included" >&5
+echo "configure:4412: checking whether sys/select.h and sys/time.h may both be included" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4424 "configure"
+#line 4414 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4431,7 +4421,7 @@
 ;
 ; return 0; }
 EOF
-if { (eval echo configure:4435: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4425: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define SYS_SELECT_WITH_SYS_TIME 1
@@ -4447,14 +4437,14 @@
 # checks for compiler characteristics
 
 echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:4451: checking whether char is unsigned" >&5
-if eval "test \"`echo '$''{'ac_cv_c_char_unsigned'+set}'`\" = set"; then
+echo "configure:4441: checking whether char is unsigned" >&5
+if eval "test \"\${ac_cv_c_char_unsigned+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$GCC" = yes; then
   # GCC predefines this symbol on systems where it applies.
 cat > conftest.$ac_ext <<EOF
-#line 4458 "configure"
+#line 4448 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -4476,7 +4466,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4480 "configure"
+#line 4470 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -4486,7 +4476,7 @@
   volatile char c = 255; exit(c < 0);
 }
 EOF
-if { (eval echo configure:4490: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4480: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_char_unsigned=yes
 else
@@ -4510,12 +4500,12 @@
 fi
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:4514: checking for working const" >&5
-if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
+echo "configure:4504: checking for working const" >&5
+if eval "test \"\${ac_cv_c_const+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4519 "configure"
+#line 4509 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4564,7 +4554,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:4568: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4558: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -4585,21 +4575,21 @@
 fi
 
 echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:4589: checking for inline" >&5
-if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
+echo "configure:4579: checking for inline" >&5
+if eval "test \"\${ac_cv_c_inline+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat > conftest.$ac_ext <<EOF
-#line 4596 "configure"
+#line 4586 "configure"
 #include "confdefs.h"
 
 int main() {
 } $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:4603: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4593: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_inline=$ac_kw; break
 else
@@ -4627,16 +4617,16 @@
 
 works=no
 echo $ac_n "checking for working volatile""... $ac_c" 1>&6
-echo "configure:4631: checking for working volatile" >&5
+echo "configure:4621: checking for working volatile" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4633 "configure"
+#line 4623 "configure"
 #include "confdefs.h"
 
 int main() {
 volatile int x; x = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:4640: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4630: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   works=yes
 else
@@ -4653,16 +4643,16 @@
 
 works=no
 echo $ac_n "checking for working signed char""... $ac_c" 1>&6
-echo "configure:4657: checking for working signed char" >&5
+echo "configure:4647: checking for working signed char" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4659 "configure"
+#line 4649 "configure"
 #include "confdefs.h"
 
 int main() {
 signed char c;
 ; return 0; }
 EOF
-if { (eval echo configure:4666: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4656: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   works=yes
 else
@@ -4679,16 +4669,16 @@
 
 have_prototypes=no
 echo $ac_n "checking for prototypes""... $ac_c" 1>&6
-echo "configure:4683: checking for prototypes" >&5
+echo "configure:4673: checking for prototypes" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4685 "configure"
+#line 4675 "configure"
 #include "confdefs.h"
 int foo(int x) { return 0; }
 int main() {
 return foo(10);
 ; return 0; }
 EOF
-if { (eval echo configure:4692: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4682: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_PROTOTYPES 1
@@ -4703,9 +4693,9 @@
 
 works=no
 echo $ac_n "checking for variable length prototypes and stdarg.h""... $ac_c" 1>&6
-echo "configure:4707: checking for variable length prototypes and stdarg.h" >&5
+echo "configure:4697: checking for variable length prototypes and stdarg.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4709 "configure"
+#line 4699 "configure"
 #include "confdefs.h"
 
 #include <stdarg.h>
@@ -4722,7 +4712,7 @@
 return foo(10, "", 3.14);
 ; return 0; }
 EOF
-if { (eval echo configure:4726: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4716: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_STDARG_PROTOTYPES 1
@@ -4738,16 +4728,16 @@
 if test "$have_prototypes" = yes; then
 bad_prototypes=no
 echo $ac_n "checking for bad exec* prototypes""... $ac_c" 1>&6
-echo "configure:4742: checking for bad exec* prototypes" >&5
+echo "configure:4732: checking for bad exec* prototypes" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4744 "configure"
+#line 4734 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 char **t;execve("@",t,t);
 ; return 0; }
 EOF
-if { (eval echo configure:4751: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4741: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -4764,12 +4754,12 @@
 
 bad_forward=no
 echo $ac_n "checking for bad static forward""... $ac_c" 1>&6
-echo "configure:4768: checking for bad static forward" >&5
+echo "configure:4758: checking for bad static forward" >&5
 if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4773 "configure"
+#line 4763 "configure"
 #include "confdefs.h"
 
 struct s { int a; int b; };
@@ -4785,7 +4775,7 @@
 }
 
 EOF
-if { (eval echo configure:4789: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4779: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -4804,9 +4794,9 @@
 
 va_list_is_array=no
 echo $ac_n "checking whether va_list is an array""... $ac_c" 1>&6
-echo "configure:4808: checking whether va_list is an array" >&5
+echo "configure:4798: checking whether va_list is an array" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4810 "configure"
+#line 4800 "configure"
 #include "confdefs.h"
 
 #ifdef HAVE_STDARG_PROTOTYPES
@@ -4819,7 +4809,7 @@
 va_list list1, list2; list1 = list2;
 ; return 0; }
 EOF
-if { (eval echo configure:4823: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4813: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -4835,12 +4825,12 @@
 
 # sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
 echo $ac_n "checking for gethostbyname_r""... $ac_c" 1>&6
-echo "configure:4839: checking for gethostbyname_r" >&5
-if eval "test \"`echo '$''{'ac_cv_func_gethostbyname_r'+set}'`\" = set"; then
+echo "configure:4829: checking for gethostbyname_r" >&5
+if eval "test \"\${ac_cv_func_gethostbyname_r+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4844 "configure"
+#line 4834 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname_r(); below.  */
@@ -4849,6 +4839,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char gethostbyname_r();
+char (*f)();
 
 int main() {
 
@@ -4858,12 +4849,12 @@
 #if defined (__stub_gethostbyname_r) || defined (__stub___gethostbyname_r)
 choke me
 #else
-gethostbyname_r();
+f = gethostbyname_r;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4867: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4858: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname_r=yes"
 else
@@ -4883,11 +4874,11 @@
 EOF
 
   echo $ac_n "checking gethostbyname_r with 6 args""... $ac_c" 1>&6
-echo "configure:4887: checking gethostbyname_r with 6 args" >&5
+echo "configure:4878: checking gethostbyname_r with 6 args" >&5
   OLD_CFLAGS=$CFLAGS
   CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
   cat > conftest.$ac_ext <<EOF
-#line 4891 "configure"
+#line 4882 "configure"
 #include "confdefs.h"
 
 #   include <netdb.h>
@@ -4904,7 +4895,7 @@
   
 ; return 0; }
 EOF
-if { (eval echo configure:4908: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4899: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
     cat >> confdefs.h <<\EOF
@@ -4924,9 +4915,9 @@
   
     echo "$ac_t""no" 1>&6
     echo $ac_n "checking gethostbyname_r with 5 args""... $ac_c" 1>&6
-echo "configure:4928: checking gethostbyname_r with 5 args" >&5
+echo "configure:4919: checking gethostbyname_r with 5 args" >&5
     cat > conftest.$ac_ext <<EOF
-#line 4930 "configure"
+#line 4921 "configure"
 #include "confdefs.h"
 
 #     include <netdb.h>
@@ -4943,7 +4934,7 @@
     
 ; return 0; }
 EOF
-if { (eval echo configure:4947: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4938: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       cat >> confdefs.h <<\EOF
@@ -4963,9 +4954,9 @@
   
       echo "$ac_t""no" 1>&6
       echo $ac_n "checking gethostbyname_r with 3 args""... $ac_c" 1>&6
-echo "configure:4967: checking gethostbyname_r with 3 args" >&5
+echo "configure:4958: checking gethostbyname_r with 3 args" >&5
       cat > conftest.$ac_ext <<EOF
-#line 4969 "configure"
+#line 4960 "configure"
 #include "confdefs.h"
 
 #       include <netdb.h>
@@ -4980,7 +4971,7 @@
       
 ; return 0; }
 EOF
-if { (eval echo configure:4984: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4975: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
         cat >> confdefs.h <<\EOF
@@ -5014,12 +5005,12 @@
   echo "$ac_t""no" 1>&6
 
   echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:5018: checking for gethostbyname" >&5
-if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
+echo "configure:5009: checking for gethostbyname" >&5
+if eval "test \"\${ac_cv_func_gethostbyname+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5023 "configure"
+#line 5014 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -5028,6 +5019,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char gethostbyname();
+char (*f)();
 
 int main() {
 
@@ -5037,12 +5029,12 @@
 #if defined (__stub_gethostbyname) || defined (__stub___gethostbyname)
 choke me
 #else
-gethostbyname();
+f = gethostbyname;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5046: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5038: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname=yes"
 else
@@ -5078,15 +5070,15 @@
 
 # Linux requires this for correct f.p. operations
 echo $ac_n "checking for __fpu_control in -lieee""... $ac_c" 1>&6
-echo "configure:5082: checking for __fpu_control in -lieee" >&5
+echo "configure:5074: checking for __fpu_control in -lieee" >&5
 ac_lib_var=`echo ieee'_'__fpu_control | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lieee  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5090 "configure"
+#line 5082 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -5097,7 +5089,7 @@
 __fpu_control()
 ; return 0; }
 EOF
-if { (eval echo configure:5101: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5093: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5127,7 +5119,7 @@
 
 # Check for --with-fpectl
 echo $ac_n "checking for --with-fpectl""... $ac_c" 1>&6
-echo "configure:5131: checking for --with-fpectl" >&5
+echo "configure:5123: checking for --with-fpectl" >&5
 # Check whether --with-fpectl or --without-fpectl was given.
 if test "${with_fpectl+set}" = set; then
   withval="$with_fpectl"
@@ -5152,7 +5144,7 @@
 *) LIBM=-lm
 esac
 echo $ac_n "checking for --with-libm=STRING""... $ac_c" 1>&6
-echo "configure:5156: checking for --with-libm=STRING" >&5
+echo "configure:5148: checking for --with-libm=STRING" >&5
 # Check whether --with-libm or --without-libm was given.
 if test "${with_libm+set}" = set; then
   withval="$with_libm"
@@ -5173,7 +5165,7 @@
 # check for --with-libc=...
 
 echo $ac_n "checking for --with-libc=STRING""... $ac_c" 1>&6
-echo "configure:5177: checking for --with-libc=STRING" >&5
+echo "configure:5169: checking for --with-libc=STRING" >&5
 # Check whether --with-libc or --without-libc was given.
 if test "${with_libc+set}" = set; then
   withval="$with_libc"
@@ -5197,12 +5189,12 @@
 for ac_func in hypot
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5201: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+echo "configure:5193: checking for $ac_func" >&5
+if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5206 "configure"
+#line 5198 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5211,6 +5203,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
+char (*f)();
 
 int main() {
 
@@ -5220,12 +5213,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-$ac_func();
+f = $ac_func;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5229: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5222: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5252,12 +5245,12 @@
 for ac_func in hypot
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5256: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+echo "configure:5249: checking for $ac_func" >&5
+if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5261 "configure"
+#line 5254 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5266,6 +5259,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
+char (*f)();
 
 int main() {
 
@@ -5275,12 +5269,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-$ac_func();
+f = $ac_func;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5284: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5278: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5314,12 +5308,12 @@
 for ac_func in rint
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5318: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+echo "configure:5312: checking for $ac_func" >&5
+if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5323 "configure"
+#line 5317 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5328,6 +5322,7 @@
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
+char (*f)();
 
 int main() {
 
@@ -5337,12 +5332,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-$ac_func();
+f = $ac_func;
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5346: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5341: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5370,15 +5365,15 @@
 
 # check for getopt
 echo $ac_n "checking for genuine getopt""... $ac_c" 1>&6
-echo "configure:5374: checking for genuine getopt" >&5
-if eval "test \"`echo '$''{'ac_cv_func_getopt'+set}'`\" = set"; then
+echo "configure:5369: checking for genuine getopt" >&5
+if eval "test \"\${ac_cv_func_getopt+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
   ac_cv_func_getopt=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5382 "configure"
+#line 5377 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 extern int optind, opterr, getopt();
@@ -5390,7 +5385,7 @@
 	exit(0);
 }
 EOF
-if { (eval echo configure:5394: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5389: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_getopt=yes
 else
@@ -5408,15 +5403,15 @@
 
 # check whether malloc(0) returns NULL or not
 echo $ac_n "checking what malloc(0) returns""... $ac_c" 1>&6
-echo "configure:5412: checking what malloc(0) returns" >&5
-if eval "test \"`echo '$''{'ac_cv_malloc_zero'+set}'`\" = set"; then
+echo "configure:5407: checking what malloc(0) returns" >&5
+if eval "test \"\${ac_cv_malloc_zero+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5420 "configure"
+#line 5415 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #ifdef HAVE_STDLIB
@@ -5435,7 +5430,7 @@
 	exit(0);
 }
 EOF
-if { (eval echo configure:5439: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5434: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_malloc_zero=nonnull
 else
@@ -5461,17 +5456,17 @@
 # check for wchar.h
 ac_safe=`echo "wchar.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for wchar.h""... $ac_c" 1>&6
-echo "configure:5465: checking for wchar.h" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+echo "configure:5460: checking for wchar.h" >&5
+if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5470 "configure"
+#line 5465 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5475: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5470: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5501,12 +5496,12 @@
 # check for usable wchar_t
 usable_wchar_t="unkown"
 echo $ac_n "checking for usable wchar_t""... $ac_c" 1>&6
-echo "configure:5505: checking for usable wchar_t" >&5
+echo "configure:5500: checking for usable wchar_t" >&5
 if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5510 "configure"
+#line 5505 "configure"
 #include "confdefs.h"
 
 #include "wchar.h"
@@ -5520,7 +5515,7 @@
 }
 
 EOF
-if { (eval echo configure:5524: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5519: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   cat >> confdefs.h <<\EOF
 #define HAVE_USABLE_WCHAR_T 1
@@ -5539,14 +5534,14 @@
 
 # check for endianness
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:5543: checking whether byte ordering is bigendian" >&5
-if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
+echo "configure:5538: checking whether byte ordering is bigendian" >&5
+if eval "test \"\${ac_cv_c_bigendian+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 5550 "configure"
+#line 5545 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -5557,11 +5552,11 @@
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:5561: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5556: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 5565 "configure"
+#line 5560 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -5572,7 +5567,7 @@
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:5576: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5571: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -5592,7 +5587,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5596 "configure"
+#line 5591 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -5605,7 +5600,7 @@
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:5609: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5604: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -5637,12 +5632,12 @@
 #endif
 EOF
 echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
-echo "configure:5641: checking for socklen_t" >&5
-if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
+echo "configure:5636: checking for socklen_t" >&5
+if eval "test \"\${ac_cv_type_socklen_t+set}\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5646 "configure"
+#line 5641 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -5653,17 +5648,19 @@
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   egrep "(^|[^a-zA-Z_0-9])socklen_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
   rm -rf conftest*
-  ac_cv_type_socklen_t=yes
+  eval "ac_cv_type_socklen_t=yes"
 else
   rm -rf conftest*
-  ac_cv_type_socklen_t=no
+  eval "ac_cv_type_socklen_t=no"
 fi
 rm -f conftest*
 
 fi
-echo "$ac_t""$ac_cv_type_socklen_t" 1>&6
-if test $ac_cv_type_socklen_t = no; then
-  cat >> confdefs.h <<\EOF
+if eval "test \"`echo '$ac_cv_type_'socklen_t`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+  cat >> confdefs.h <<EOF
 #define socklen_t int
 EOF
 
@@ -5761,7 +5758,7 @@
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.13"
+    echo "$CONFIG_STATUS generated by autoconf version 2.14.1"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -6060,5 +6057,5 @@
 EOF
 chmod +x $CONFIG_STATUS
 rm -fr confdefs* $ac_clean_files
-test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
+test "$no_create" = yes || $SHELL $CONFIG_STATUS || exit 1
 
diff --git a/configure.in b/configure.in
index 0f9452f..46dd5f1 100644
--- a/configure.in
+++ b/configure.in
@@ -342,14 +342,14 @@
   fi
 fi
 
-# check for ANSI or K&R ("traditional") preprocessor
-AC_MSG_CHECKING(for C preprocessor type)
-AC_TRY_COMPILE([
-#define spam(name, doc) {#name, &name, #name "() -- " doc}
-int foo;
-struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
-], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
-AC_MSG_RESULT($cpp_type)
+dnl # check for ANSI or K&R ("traditional") preprocessor
+dnl AC_MSG_CHECKING(for C preprocessor type)
+dnl AC_TRY_COMPILE([
+dnl #define spam(name, doc) {#name, &name, #name "() -- " doc}
+dnl int foo;
+dnl struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
+dnl ], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
+dnl AC_MSG_RESULT($cpp_type)
 
 # checks for header files
 AC_HEADER_STDC