diff --git a/config.h.in b/config.h.in
index 80ea067..704f50a 100644
--- a/config.h.in
+++ b/config.h.in
@@ -285,6 +285,9 @@
 /* Define if you have the fork function.  */
 #undef HAVE_FORK
 
+/* Define if you have the forkpty function.  */
+#undef HAVE_FORKPTY
+
 /* Define if you have the fpathconf function.  */
 #undef HAVE_FPATHCONF
 
@@ -366,6 +369,9 @@
 /* Define if you have the nice function.  */
 #undef HAVE_NICE
 
+/* Define if you have the openpty function.  */
+#undef HAVE_OPENPTY
+
 /* Define if you have the pathconf function.  */
 #undef HAVE_PATHCONF
 
@@ -483,6 +489,9 @@
 /* Define if you have the <fcntl.h> header file.  */
 #undef HAVE_FCNTL_H
 
+/* Define if you have the <libutil.h> header file.  */
+#undef HAVE_LIBUTIL_H
+
 /* Define if you have the <limits.h> header file.  */
 #undef HAVE_LIMITS_H
 
@@ -498,6 +507,9 @@
 /* Define if you have the <pthread.h> header file.  */
 #undef HAVE_PTHREAD_H
 
+/* Define if you have the <pty.h> header file.  */
+#undef HAVE_PTY_H
+
 /* Define if you have the <signal.h> header file.  */
 #undef HAVE_SIGNAL_H
 
diff --git a/configure b/configure
index 3838978..5b8e2e7 100755
--- a/configure
+++ b/configure
@@ -1,9 +1,9 @@
 #! /bin/sh
 
-# From configure.in Revision: 1.125 
+# From configure.in Revision: 1.126 
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.14.1 
+# Generated automatically using autoconf version 2.13 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -14,37 +14,37 @@
 ac_default_prefix=/usr/local
 # Any additions from configure.in:
 ac_help="$ac_help
---with-next-archs='arch1 arch2 ..'   build MAB binary"
+  --with-next-archs='arch1 arch2 ..'   build MAB binary"
 ac_help="$ac_help
---with-next-framework     Build (OpenStep|Rhapsody|MacOS10) framework"
+  --with-next-framework           Build (OpenStep|Rhapsody|MacOSX) framework"
 ac_help="$ac_help
---with-dyld               Use (OpenStep|Rhapsody|MacOS10) dynamic linker"
+  --with-dyld                     Use (OpenStep|Rhapsody|MacOSX) dynamic linker"
 ac_help="$ac_help
---without-gcc             never use gcc"
+  --without-gcc                   never use gcc"
 ac_help="$ac_help
---with-cxx=<compiler>     enable C++ support"
+  --with-cxx=<compiler>           enable C++ support"
 ac_help="$ac_help
---with-libs='lib1 ...'    link against additional libs"
+  --with-libs='lib1 ...'          link against additional libs"
 ac_help="$ac_help
---with(out)-readline      obsolete, edit Modules/Setup instead"
+  --with(out)-readline            obsolete, edit Modules/Setup instead"
 ac_help="$ac_help
---with-dec-threads        use DEC Alpha/OSF1 thread-safe libraries"
+  --with-dec-threads              use DEC Alpha/OSF1 thread-safe libraries"
 ac_help="$ac_help
---with-threads            alias for --with-thread"
+  --with(out)-threads[=DIRECTORY] disable/enable thread support"
 ac_help="$ac_help
---with-thread[=DIRECTORY] make interpreter thread-safe"
+"
 ac_help="$ac_help
---with-sgi-dl=DIRECTORY   IRIX 4 dynamic linking"
+  --with-sgi-dl=DIRECTORY         IRIX 4 dynamic linking"
 ac_help="$ac_help
---with-dl-dld=DL_DIR,DLD_DIR  GNU dynamic linking"
+  --with-dl-dld=DL_DIR,DLD_DIR    GNU dynamic linking"
 ac_help="$ac_help
---with-fpectl             enable SIGFPE catching"
+  --with-fpectl                   enable SIGFPE catching"
 ac_help="$ac_help
---with-libm=STRING        math library"
+  --with-libm=STRING              math library"
 ac_help="$ac_help
---with-libc=STRING        C library"
+  --with-libc=STRING              C library"
 ac_help="$ac_help
---with-wctype-functions   use wctype.h functions"
+  --with-wctype-functions         use wctype.h functions"
 
 # Initialize some variables set by options.
 # The variables have the same names as the options, with
@@ -367,7 +367,7 @@
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.14.1"
+    echo "configure generated by autoconf version 2.13"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -527,7 +527,7 @@
 
 if test -r "$cache_file"; then
   echo "loading cache $cache_file"
-      test -f "$cache_file" && . $cache_file
+  . $cache_file
 else
   echo "creating cache $cache_file"
   > $cache_file
@@ -784,7 +784,7 @@
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
 echo "configure:787: checking for $ac_word" >&5
-if eval "test \"\${ac_cv_prog_CC+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
@@ -814,7 +814,7 @@
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
 echo "configure:817: checking for $ac_word" >&5
-if eval "test \"\${ac_cv_prog_CC+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
@@ -860,12 +860,12 @@
 
   if test -z "$CC"; then
     case "`uname -s`" in
-    *win32* | *WIN32* | *CYGWIN*)
+    *win32* | *WIN32*)
       # 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:868: checking for $ac_word" >&5
-if eval "test \"\${ac_cv_prog_CC+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
@@ -895,8 +895,8 @@
   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 $CPPFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:900: checking whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) works" >&5
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
+echo "configure:900: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -937,14 +937,14 @@
 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 $CPPFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:942: checking whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
+echo "configure:942: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$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""... $ac_c" 1>&6
 echo "configure:947: checking whether we are using GNU C" >&5
-if eval "test \"\${ac_cv_prog_gcc+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
@@ -972,7 +972,7 @@
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
 echo "configure:975: checking whether ${CC-cc} accepts -g" >&5
-if eval "test \"\${ac_cv_prog_cc_g+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.c
@@ -1085,7 +1085,7 @@
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
 echo "configure:1088: checking for $ac_word" >&5
-if eval "test \"\${ac_cv_prog_RANLIB+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$RANLIB"; then
@@ -1118,7 +1118,7 @@
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
 echo "configure:1121: checking for $ac_word" >&5
-if eval "test \"\${ac_cv_prog_AR+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$AR"; then
@@ -1197,7 +1197,7 @@
   CPP=
 fi
 if test -z "$CPP"; then
-if eval "test \"\${ac_cv_prog_CPP+set}\" = set"; then
+if eval "test \"`echo '$''{'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
@@ -1297,7 +1297,7 @@
 ac_safe=`echo "minix/config.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for minix/config.h""... $ac_c" 1>&6
 echo "configure:1300: checking for minix/config.h" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
@@ -1346,7 +1346,7 @@
 
 echo $ac_n "checking whether $CC accepts -OPT:Olimit=0""... $ac_c" 1>&6
 echo "configure:1349: checking whether $CC accepts -OPT:Olimit=0" >&5
-if eval "test \"\${ac_cv_opt_olimit_ok+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_opt_olimit_ok'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_cc="$CC"
@@ -1380,7 +1380,7 @@
 else
   echo $ac_n "checking whether $CC accepts -Olimit 1500""... $ac_c" 1>&6
 echo "configure:1383: checking whether $CC accepts -Olimit 1500" >&5
-  if eval "test \"\${ac_cv_olimit_ok+set}\" = set"; then
+  if eval "test \"`echo '$''{'ac_cv_olimit_ok'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_cc="$CC"
@@ -1447,7 +1447,7 @@
 # checks for header files
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
 echo "configure:1450: checking for ANSI C header files" >&5
-if eval "test \"\${ac_cv_header_stdc+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
@@ -1558,7 +1558,7 @@
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
 echo "configure:1561: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
@@ -1599,7 +1599,7 @@
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
 echo "configure:1602: checking for $ac_hdr that defines DIR" >&5
-if eval "test \"\${ac_cv_header_dirent_$ac_safe+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
@@ -1638,7 +1638,7 @@
 echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
 echo "configure:1640: checking for opendir in -ldir" >&5
 ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
@@ -1679,7 +1679,7 @@
 echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
 echo "configure:1681: checking for opendir in -lx" >&5
 ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
@@ -1753,7 +1753,7 @@
 # Type availability checks
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
 echo "configure:1756: checking for mode_t" >&5
-if eval "test \"\${ac_cv_type_mode_t+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
@@ -1768,31 +1768,29 @@
 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*
-  eval "ac_cv_type_mode_t=yes"
+  ac_cv_type_mode_t=yes
 else
   rm -rf conftest*
-  eval "ac_cv_type_mode_t=no"
+  ac_cv_type_mode_t=no
 fi
 rm -f conftest*
 
 fi
-if eval "test \"`echo '$ac_cv_type_'mode_t`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-else
-  echo "$ac_t""no" 1>&6
-  cat >> confdefs.h <<EOF
+echo "$ac_t""$ac_cv_type_mode_t" 1>&6
+if test $ac_cv_type_mode_t = no; then
+  cat >> confdefs.h <<\EOF
 #define mode_t int
 EOF
 
 fi
 
 echo $ac_n "checking for off_t""... $ac_c" 1>&6
-echo "configure:1791: checking for off_t" >&5
-if eval "test \"\${ac_cv_type_off_t+set}\" = set"; then
+echo "configure:1789: checking for off_t" >&5
+if eval "test \"`echo '$''{'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 1794 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1803,31 +1801,29 @@
 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*
-  eval "ac_cv_type_off_t=yes"
+  ac_cv_type_off_t=yes
 else
   rm -rf conftest*
-  eval "ac_cv_type_off_t=no"
+  ac_cv_type_off_t=no
 fi
 rm -f conftest*
 
 fi
-if eval "test \"`echo '$ac_cv_type_'off_t`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-else
-  echo "$ac_t""no" 1>&6
-  cat >> confdefs.h <<EOF
+echo "$ac_t""$ac_cv_type_off_t" 1>&6
+if test $ac_cv_type_off_t = no; then
+  cat >> confdefs.h <<\EOF
 #define off_t long
 EOF
 
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:1826: checking for pid_t" >&5
-if eval "test \"\${ac_cv_type_pid_t+set}\" = set"; then
+echo "configure:1822: checking for pid_t" >&5
+if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1831 "configure"
+#line 1827 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1838,31 +1834,29 @@
 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*
-  eval "ac_cv_type_pid_t=yes"
+  ac_cv_type_pid_t=yes
 else
   rm -rf conftest*
-  eval "ac_cv_type_pid_t=no"
+  ac_cv_type_pid_t=no
 fi
 rm -f conftest*
 
 fi
-if eval "test \"`echo '$ac_cv_type_'pid_t`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-else
-  echo "$ac_t""no" 1>&6
-  cat >> confdefs.h <<EOF
+echo "$ac_t""$ac_cv_type_pid_t" 1>&6
+if test $ac_cv_type_pid_t = no; then
+  cat >> confdefs.h <<\EOF
 #define pid_t int
 EOF
 
 fi
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:1861: checking return type of signal handlers" >&5
-if eval "test \"\${ac_cv_type_signal+set}\" = set"; then
+echo "configure:1855: checking return type of signal handlers" >&5
+if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1866 "configure"
+#line 1860 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -1879,7 +1873,7 @@
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:1883: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1877: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -1898,12 +1892,12 @@
 
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:1902: checking for size_t" >&5
-if eval "test \"\${ac_cv_type_size_t+set}\" = set"; then
+echo "configure:1896: checking for size_t" >&5
+if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1907 "configure"
+#line 1901 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1914,31 +1908,29 @@
 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*
-  eval "ac_cv_type_size_t=yes"
+  ac_cv_type_size_t=yes
 else
   rm -rf conftest*
-  eval "ac_cv_type_size_t=no"
+  ac_cv_type_size_t=no
 fi
 rm -f conftest*
 
 fi
-if eval "test \"`echo '$ac_cv_type_'size_t`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-else
-  echo "$ac_t""no" 1>&6
-  cat >> confdefs.h <<EOF
+echo "$ac_t""$ac_cv_type_size_t" 1>&6
+if test $ac_cv_type_size_t = no; then
+  cat >> confdefs.h <<\EOF
 #define size_t unsigned
 EOF
 
 fi
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:1937: checking for uid_t in sys/types.h" >&5
-if eval "test \"\${ac_cv_type_uid_t+set}\" = set"; then
+echo "configure:1929: checking for uid_t in sys/types.h" >&5
+if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1942 "configure"
+#line 1934 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -1969,15 +1961,15 @@
 
 # Sizes of various common basic types
 echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:1973: checking size of int" >&5
-if eval "test \"\${ac_cv_sizeof_int+set}\" = set"; then
+echo "configure:1965: checking size of int" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 1981 "configure"
+#line 1973 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -1988,7 +1980,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:1992: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1984: \"$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
@@ -2008,15 +2000,15 @@
 
 
 echo $ac_n "checking size of long""... $ac_c" 1>&6
-echo "configure:2012: checking size of long" >&5
-if eval "test \"\${ac_cv_sizeof_long+set}\" = set"; then
+echo "configure:2004: checking size of long" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 2020 "configure"
+#line 2012 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2027,7 +2019,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2031: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2023: \"$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
@@ -2047,15 +2039,15 @@
 
 
 echo $ac_n "checking size of void *""... $ac_c" 1>&6
-echo "configure:2051: checking size of void *" >&5
-if eval "test \"\${ac_cv_sizeof_void_p+set}\" = set"; then
+echo "configure:2043: checking size of void *" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 2059 "configure"
+#line 2051 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2066,7 +2058,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2070: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2062: \"$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
@@ -2086,15 +2078,15 @@
 
 
 echo $ac_n "checking size of char""... $ac_c" 1>&6
-echo "configure:2090: checking size of char" >&5
-if eval "test \"\${ac_cv_sizeof_char+set}\" = set"; then
+echo "configure:2082: checking size of char" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 2098 "configure"
+#line 2090 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2105,7 +2097,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2109: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2101: \"$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
@@ -2125,15 +2117,15 @@
 
 
 echo $ac_n "checking size of short""... $ac_c" 1>&6
-echo "configure:2129: checking size of short" >&5
-if eval "test \"\${ac_cv_sizeof_short+set}\" = set"; then
+echo "configure:2121: checking size of short" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 2137 "configure"
+#line 2129 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2144,7 +2136,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2148: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2140: \"$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
@@ -2164,15 +2156,15 @@
 
 
 echo $ac_n "checking size of float""... $ac_c" 1>&6
-echo "configure:2168: checking size of float" >&5
-if eval "test \"\${ac_cv_sizeof_float+set}\" = set"; then
+echo "configure:2160: checking size of float" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 2176 "configure"
+#line 2168 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2183,7 +2175,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2187: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2179: \"$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
@@ -2203,15 +2195,15 @@
 
 
 echo $ac_n "checking size of double""... $ac_c" 1>&6
-echo "configure:2207: checking size of double" >&5
-if eval "test \"\${ac_cv_sizeof_double+set}\" = set"; then
+echo "configure:2199: checking size of double" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 2215 "configure"
+#line 2207 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2222,7 +2214,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2226: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2218: \"$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
@@ -2243,17 +2235,17 @@
 
 
 echo $ac_n "checking for long long support""... $ac_c" 1>&6
-echo "configure:2247: checking for long long support" >&5
+echo "configure:2239: checking for long long support" >&5
 have_long_long=no
 cat > conftest.$ac_ext <<EOF
-#line 2250 "configure"
+#line 2242 "configure"
 #include "confdefs.h"
 
 int main() {
 long long x; x = (long long)0;
 ; return 0; }
 EOF
-if { (eval echo configure:2257: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2249: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_LONG_LONG 1
@@ -2267,15 +2259,15 @@
 echo "$ac_t""$have_long_long" 1>&6
 if test "$have_long_long" = yes ; then
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:2271: checking size of long long" >&5
-if eval "test \"\${ac_cv_sizeof_long_long+set}\" = set"; then
+echo "configure:2263: checking size of long long" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 2279 "configure"
+#line 2271 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2286,7 +2278,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2290: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2282: \"$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
@@ -2309,15 +2301,15 @@
 
 # Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
 echo $ac_n "checking size of off_t""... $ac_c" 1>&6
-echo "configure:2313: checking size of off_t" >&5
-if eval "test \"\${ac_cv_sizeof_off_t+set}\" = set"; then
+echo "configure:2305: checking size of off_t" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 2321 "configure"
+#line 2313 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -2329,7 +2321,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:2333: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2325: \"$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
@@ -2351,7 +2343,7 @@
 
 
 echo $ac_n "checking whether to enable large file support""... $ac_c" 1>&6
-echo "configure:2355: checking whether to enable large file support" >&5
+echo "configure:2347: checking whether to enable large file support" >&5
 if test "$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
@@ -2377,7 +2369,7 @@
 esac
 
 echo $ac_n "checking for --with-next-framework""... $ac_c" 1>&6
-echo "configure:2381: checking for --with-next-framework" >&5
+echo "configure:2373: checking for --with-next-framework" >&5
 if test "$with_next_framework"
 then
 	OPT="$OPT -fno-common"
@@ -2394,7 +2386,7 @@
 fi
 
 echo $ac_n "checking for --with-dyld""... $ac_c" 1>&6
-echo "configure:2398: checking for --with-dyld" >&5
+echo "configure:2390: checking for --with-dyld" >&5
 if test "$with_next_framework" -o "$with_dyld"
 then
 	if test "$with_dyld"
@@ -2420,7 +2412,7 @@
 # SO is the extension of shared libraries `(including the dot!)
 # -- usually .so, .sl on HP-UX
 echo $ac_n "checking SO""... $ac_c" 1>&6
-echo "configure:2424: checking SO" >&5
+echo "configure:2416: checking SO" >&5
 if test -z "$SO"
 then
 	case $ac_sys_system in
@@ -2434,7 +2426,7 @@
 # (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""... $ac_c" 1>&6
-echo "configure:2438: checking LDSHARED" >&5
+echo "configure:2430: checking LDSHARED" >&5
 if test -z "$LDSHARED"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -2479,7 +2471,7 @@
 # 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""... $ac_c" 1>&6
-echo "configure:2483: checking CCSHARED" >&5
+echo "configure:2475: checking CCSHARED" >&5
 if test -z "$CCSHARED"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -2502,7 +2494,7 @@
 # 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""... $ac_c" 1>&6
-echo "configure:2506: checking LINKFORSHARED" >&5
+echo "configure:2498: checking LINKFORSHARED" >&5
 if test -z "$LINKFORSHARED"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -2538,15 +2530,15 @@
 
 # checks for libraries
 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:2542: checking for dlopen in -ldl" >&5
+echo "configure:2534: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 2550 "configure"
+#line 2542 "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
@@ -2557,7 +2549,7 @@
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:2561: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2553: \"$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
@@ -2585,15 +2577,15 @@
 fi
 	# Dynamic linking for SunOS/Solaris and SYSV
 echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:2589: checking for shl_load in -ldld" >&5
+echo "configure:2581: checking for shl_load in -ldld" >&5
 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 2597 "configure"
+#line 2589 "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
@@ -2604,7 +2596,7 @@
 shl_load()
 ; return 0; }
 EOF
-if { (eval echo configure:2608: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2600: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2635,16 +2627,16 @@
 # checks for system dependent C++ extensions support
 case "$ac_sys_system" in
 	AIX*)	echo $ac_n "checking for genuine AIX C++ extensions support""... $ac_c" 1>&6
-echo "configure:2639: checking for genuine AIX C++ extensions support" >&5
+echo "configure:2631: checking for genuine AIX C++ extensions support" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 2641 "configure"
+#line 2633 "configure"
 #include "confdefs.h"
 #include "/usr/lpp/xlC/include/load.h"
 int main() {
 loadAndInit("", 0, "")
 ; return 0; }
 EOF
-if { (eval echo configure:2648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2640: \"$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
@@ -2668,15 +2660,15 @@
 IRIX*) ;;
 *)
 echo $ac_n "checking for t_open in -lnsl""... $ac_c" 1>&6
-echo "configure:2672: checking for t_open in -lnsl" >&5
+echo "configure:2664: checking for t_open in -lnsl" >&5
 ac_lib_var=`echo nsl'_'t_open | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 2680 "configure"
+#line 2672 "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
@@ -2687,7 +2679,7 @@
 t_open()
 ; return 0; }
 EOF
-if { (eval echo configure:2691: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2683: \"$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
@@ -2708,15 +2700,15 @@
 fi
  # SVR4
 echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
-echo "configure:2712: checking for socket in -lsocket" >&5
+echo "configure:2704: checking for socket in -lsocket" >&5
 ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 2720 "configure"
+#line 2712 "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
@@ -2727,7 +2719,7 @@
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:2731: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2723: \"$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
@@ -2748,15 +2740,15 @@
 fi
  # SVR4 sockets
 echo $ac_n "checking for socket in -lnet""... $ac_c" 1>&6
-echo "configure:2752: checking for socket in -lnet" >&5
+echo "configure:2744: checking for socket in -lnet" >&5
 ac_lib_var=`echo net'_'socket | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 2760 "configure"
+#line 2752 "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
@@ -2767,7 +2759,7 @@
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:2771: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2763: \"$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
@@ -2791,7 +2783,7 @@
 esac
 
 echo $ac_n "checking for --with-libs""... $ac_c" 1>&6
-echo "configure:2795: checking for --with-libs" >&5
+echo "configure:2787: checking for --with-libs" >&5
 # Check whether --with-libs or --without-libs was given.
 if test "${with_libs+set}" = set; then
   withval="$with_libs"
@@ -2805,7 +2797,7 @@
 
 
 echo $ac_n "checking for --with(out)-readline""... $ac_c" 1>&6
-echo "configure:2809: checking for --with(out)-readline" >&5
+echo "configure:2801: checking for --with(out)-readline" >&5
 # Check whether --with-readline or --without-readline was given.
 if test "${with_readline+set}" = set; then
   withval="$with_readline"
@@ -2817,15 +2809,16 @@
 
 
 
-USE_THREAD_MODULE="#"
+USE_THREAD_MODULE=""
 
 echo $ac_n "checking for --with-dec-threads""... $ac_c" 1>&6
-echo "configure:2824: checking for --with-dec-threads" >&5
+echo "configure:2816: checking for --with-dec-threads" >&5
 
 # Check whether --with-dec-threads or --without-dec-threads was given.
 if test "${with_dec_threads+set}" = set; then
   withval="$with_dec_threads"
-  echo "$ac_t""$withval" 1>&6
+  
+echo "$ac_t""$withval" 1>&6
 LDLAST=-threads
 if test "${with_thread+set}" != set; then
    with_thread="$withval";
@@ -2836,38 +2829,45 @@
 
 
 echo $ac_n "checking for --with-threads""... $ac_c" 1>&6
-echo "configure:2840: checking for --with-threads" >&5
+echo "configure:2833: checking for --with-threads" >&5
 # Check whether --with-threads or --without-threads was given.
 if test "${with_threads+set}" = set; then
   withval="$with_threads"
-  echo "$ac_t""$withval" 1>&6
-if test "${with_thread+set}" != set; then
-   with_thread="$withval";
-fi
-else
-  echo "$ac_t""no" 1>&6
+  :
 fi
 
 
-echo $ac_n "checking for --with-thread""... $ac_c" 1>&6
-echo "configure:2854: checking for --with-thread" >&5
+# --with-thread is deprecated, but check for it anyway
 # Check whether --with-thread or --without-thread was given.
 if test "${with_thread+set}" = set; then
   withval="$with_thread"
-  
-USE_THREAD_MODULE=
-echo "$ac_t""$withval" 1>&6
-if test -d "$withval"
-then LDFLAGS="$LDFLAGS -L$withval"
+  with_threads=$with_thread
 fi
-cat >> confdefs.h <<\EOF
+
+
+if test -z "$with_threads"
+then with_threads="yes"
+fi
+echo "$ac_t""$with_threads" 1>&6
+
+if test "$with_threads" = "no"
+then
+    USE_THREAD_MODULE="#"
+else
+    if test -d "$with_threads"
+    then LDFLAGS="$LDFLAGS -L$with_threads"
+    fi
+    if test -d "$withval"
+    then LDFLAGS="$LDFLAGS -L$withval"
+    fi
+    cat >> confdefs.h <<\EOF
 #define _REENTRANT 1
 EOF
 
-ac_safe=`echo "mach/cthreads.h" | sed 'y%./+-%__p_%'`
+    ac_safe=`echo "mach/cthreads.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for mach/cthreads.h""... $ac_c" 1>&6
 echo "configure:2870: checking for mach/cthreads.h" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
@@ -2896,18 +2896,18 @@
 #define WITH_THREAD 1
 EOF
 
-cat >> confdefs.h <<\EOF
+    cat >> confdefs.h <<\EOF
 #define C_THREADS 1
 EOF
 
-LIBOBJS="$LIBOBJS thread.o"
+    LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
 
-echo $ac_n "checking for pth_init in -lpth""... $ac_c" 1>&6
+    echo $ac_n "checking for pth_init in -lpth""... $ac_c" 1>&6
 echo "configure:2909: checking for pth_init in -lpth" >&5
 ac_lib_var=`echo pth'_'pth_init | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
@@ -2943,19 +2943,19 @@
 #define WITH_THREAD 1
 EOF
 
-cat >> confdefs.h <<\EOF
+    cat >> confdefs.h <<\EOF
 #define _GNU_PTH 1
 EOF
 
-LIBS="-lpth $LIBS"
-LIBOBJS="$LIBOBJS thread.o"
+    LIBS="-lpth $LIBS"
+    LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
 
-echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
+    echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
 echo "configure:2957: checking for pthread_create in -lpthread" >&5
 ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
@@ -2991,18 +2991,18 @@
 #define WITH_THREAD 1
 EOF
 
-cat >> confdefs.h <<\EOF
+    cat >> confdefs.h <<\EOF
 #define _POSIX_THREADS 1
 EOF
 
-LIBS="-lpthread $LIBS"
-LIBOBJS="$LIBOBJS thread.o"
+    LIBS="-lpthread $LIBS"
+    LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
 
-echo $ac_n "checking for pthread_detach""... $ac_c" 1>&6
+    echo $ac_n "checking for pthread_detach""... $ac_c" 1>&6
 echo "configure:3005: checking for pthread_detach" >&5
-if eval "test \"\${ac_cv_func_pthread_detach+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_func_pthread_detach'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
@@ -3015,7 +3015,6 @@
 /* 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() {
 
@@ -3025,12 +3024,12 @@
 #if defined (__stub_pthread_detach) || defined (__stub___pthread_detach)
 choke me
 #else
-f = pthread_detach;
+pthread_detach();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3034: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3033: \"$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
@@ -3048,27 +3047,27 @@
 #define WITH_THREAD 1
 EOF
 
-cat >> confdefs.h <<\EOF
+    cat >> confdefs.h <<\EOF
 #define _POSIX_THREADS 1
 EOF
 
-LIBOBJS="$LIBOBJS thread.o"
+    LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
 
-ac_safe=`echo "kernel/OS.h" | sed 'y%./+-%__p_%'`
+    ac_safe=`echo "kernel/OS.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for kernel/OS.h""... $ac_c" 1>&6
-echo "configure:3062: checking for kernel/OS.h" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:3061: checking for kernel/OS.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3067 "configure"
+#line 3066 "configure"
 #include "confdefs.h"
 #include <kernel/OS.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3072: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3071: \"$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*
@@ -3088,24 +3087,24 @@
 #define WITH_THREAD 1
 EOF
 
-cat >> confdefs.h <<\EOF
+    cat >> confdefs.h <<\EOF
 #define BEOS_THREADS 1
 EOF
 
-LIBOBJS="$LIBOBJS thread.o"
+    LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
 
-echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
-echo "configure:3101: checking for pthread_create in -lpthreads" >&5
+    echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
+echo "configure:3100: checking for pthread_create in -lpthreads" >&5
 ac_lib_var=`echo pthreads'_'pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 3109 "configure"
+#line 3108 "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
@@ -3116,7 +3115,7 @@
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3120: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3119: \"$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
@@ -3135,25 +3134,25 @@
 #define WITH_THREAD 1
 EOF
 
-cat >> confdefs.h <<\EOF
+    cat >> confdefs.h <<\EOF
 #define _POSIX_THREADS 1
 EOF
 
-LIBS="$LIBS -lpthreads"
-LIBOBJS="$LIBOBJS thread.o"
+    LIBS="$LIBS -lpthreads"
+    LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
 
-echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
-echo "configure:3149: checking for pthread_create in -lc_r" >&5
+    echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
+echo "configure:3148: checking for pthread_create in -lc_r" >&5
 ac_lib_var=`echo c_r'_'pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 3157 "configure"
+#line 3156 "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
@@ -3164,7 +3163,7 @@
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3168: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3167: \"$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
@@ -3183,25 +3182,25 @@
 #define WITH_THREAD 1
 EOF
 
-cat >> confdefs.h <<\EOF
+    cat >> confdefs.h <<\EOF
 #define _POSIX_THREADS 1
 EOF
 
-LIBS="$LIBS -lc_r"
-LIBOBJS="$LIBOBJS thread.o"
+    LIBS="$LIBS -lc_r"
+    LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
 
-echo $ac_n "checking for __d6_pthread_create in -lthread""... $ac_c" 1>&6
-echo "configure:3197: checking for __d6_pthread_create in -lthread" >&5
+    echo $ac_n "checking for __d6_pthread_create in -lthread""... $ac_c" 1>&6
+echo "configure:3196: checking for __d6_pthread_create in -lthread" >&5
 ac_lib_var=`echo thread'_'__d6_pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 3205 "configure"
+#line 3204 "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
@@ -3212,7 +3211,7 @@
 __d6_pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3216: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3215: \"$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
@@ -3231,25 +3230,25 @@
 #define WITH_THREAD 1
 EOF
 
-cat >> confdefs.h <<\EOF
+    cat >> confdefs.h <<\EOF
 #define _POSIX_THREADS 1
 EOF
 
-LIBS="$LIBS -lthread"
-LIBOBJS="$LIBOBJS thread.o"
+    LIBS="$LIBS -lthread"
+    LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
 
-echo $ac_n "checking for pthread_create in -lcma""... $ac_c" 1>&6
-echo "configure:3245: checking for pthread_create in -lcma" >&5
+    echo $ac_n "checking for pthread_create in -lcma""... $ac_c" 1>&6
+echo "configure:3244: checking for pthread_create in -lcma" >&5
 ac_lib_var=`echo cma'_'pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 3253 "configure"
+#line 3252 "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
@@ -3260,7 +3259,7 @@
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3264: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3263: \"$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
@@ -3279,17 +3278,17 @@
 #define WITH_THREAD 1
 EOF
 
-cat >> confdefs.h <<\EOF
+    cat >> confdefs.h <<\EOF
 #define _POSIX_THREADS 1
 EOF
 
-LIBS="$LIBS -lcma"
-LIBOBJS="$LIBOBJS thread.o"
+    LIBS="$LIBS -lcma"
+    LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
 fi
 
-
+    
 fi
 
 fi
@@ -3307,16 +3306,16 @@
 fi
 
 
-echo $ac_n "checking for usconfig in -lmpc""... $ac_c" 1>&6
-echo "configure:3312: checking for usconfig in -lmpc" >&5
+    echo $ac_n "checking for usconfig in -lmpc""... $ac_c" 1>&6
+echo "configure:3311: checking for usconfig in -lmpc" >&5
 ac_lib_var=`echo mpc'_'usconfig | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 3320 "configure"
+#line 3319 "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
@@ -3327,7 +3326,7 @@
 usconfig()
 ; return 0; }
 EOF
-if { (eval echo configure:3331: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3330: \"$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
@@ -3346,22 +3345,22 @@
 #define WITH_THREAD 1
 EOF
 
-LIBS="$LIBS -lmpc"
-LIBOBJS="$LIBOBJS thread.o"
+    LIBS="$LIBS -lmpc"
+    LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
 fi
 
-echo $ac_n "checking for thr_create in -lthread""... $ac_c" 1>&6
-echo "configure:3357: checking for thr_create in -lthread" >&5
+    echo $ac_n "checking for thr_create in -lthread""... $ac_c" 1>&6
+echo "configure:3356: checking for thr_create in -lthread" >&5
 ac_lib_var=`echo thread'_'thr_create | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 3365 "configure"
+#line 3364 "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
@@ -3372,7 +3371,7 @@
 thr_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3376: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3375: \"$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
@@ -3391,24 +3390,20 @@
 #define WITH_THREAD 1
 EOF
 
-LIBS="$LIBS -lthread"
-LIBOBJS="$LIBOBJS thread.o"
+    LIBS="$LIBS -lthread"
+    LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
 fi
 
-
-else
-  echo "$ac_t""no" 1>&6
 fi
 
-
 # -I${DLINCLDIR} is added to the compile rule for importdl.o
 
 DLINCLDIR=/
 
 echo $ac_n "checking for --with-sgi-dl""... $ac_c" 1>&6
-echo "configure:3412: checking for --with-sgi-dl" >&5
+echo "configure:3407: checking for --with-sgi-dl" >&5
 # Check whether --with-sgi-dl or --without-sgi-dl was given.
 if test "${with_sgi_dl+set}" = set; then
   withval="$with_sgi_dl"
@@ -3432,7 +3427,7 @@
 
 
 echo $ac_n "checking for --with-dl-dld""... $ac_c" 1>&6
-echo "configure:3436: checking for --with-dl-dld" >&5
+echo "configure:3431: checking for --with-dl-dld" >&5
 # Check whether --with-dl-dld or --without-dl-dld was given.
 if test "${with_dl_dld+set}" = set; then
   withval="$with_dl_dld"
@@ -3459,12 +3454,12 @@
 # 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""... $ac_c" 1>&6
-echo "configure:3463: checking for dlopen" >&5
-if eval "test \"\${ac_cv_func_dlopen+set}\" = set"; then
+echo "configure:3458: checking for dlopen" >&5
+if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3468 "configure"
+#line 3463 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char dlopen(); below.  */
@@ -3473,7 +3468,6 @@
 /* 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() {
 
@@ -3483,12 +3477,12 @@
 #if defined (__stub_dlopen) || defined (__stub___dlopen)
 choke me
 #else
-f = dlopen;
+dlopen();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3492: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3486: \"$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
@@ -3512,7 +3506,7 @@
 # loading of modules.
 
 echo $ac_n "checking DYNLOADFILE""... $ac_c" 1>&6
-echo "configure:3516: checking DYNLOADFILE" >&5
+echo "configure:3510: checking DYNLOADFILE" >&5
 if test -z "$DYNLOADFILE"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -3552,12 +3546,12 @@
  truncate uname waitpid
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3556: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3550: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3561 "configure"
+#line 3555 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3566,7 +3560,6 @@
 /* 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() {
 
@@ -3576,12 +3569,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3585: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3578: \"$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
@@ -3611,12 +3604,12 @@
 for ac_func in openpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3615: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3608: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3620 "configure"
+#line 3613 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3625,7 +3618,6 @@
 /* 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() {
 
@@ -3635,12 +3627,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3644: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3636: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3662,15 +3654,15 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for openpty in -lutil""... $ac_c" 1>&6
-echo "configure:3666: checking for openpty in -lutil" >&5
+echo "configure:3658: checking for openpty in -lutil" >&5
 ac_lib_var=`echo util'_'openpty | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 3674 "configure"
+#line 3666 "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
@@ -3681,7 +3673,7 @@
 openpty()
 ; return 0; }
 EOF
-if { (eval echo configure:3685: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3677: \"$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
@@ -3710,12 +3702,12 @@
 for ac_func in forkpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3714: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3706: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3719 "configure"
+#line 3711 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3724,7 +3716,6 @@
 /* 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() {
 
@@ -3734,12 +3725,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3743: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3734: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3761,15 +3752,15 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for forkpty in -lutil""... $ac_c" 1>&6
-echo "configure:3765: checking for forkpty in -lutil" >&5
+echo "configure:3756: checking for forkpty in -lutil" >&5
 ac_lib_var=`echo util'_'forkpty | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 3773 "configure"
+#line 3764 "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
@@ -3780,7 +3771,7 @@
 forkpty()
 ; return 0; }
 EOF
-if { (eval echo configure:3784: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3775: \"$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
@@ -3811,12 +3802,12 @@
 for ac_func in fseek64 fseeko fstatvfs ftell64 ftello statvfs
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3815: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3806: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3820 "configure"
+#line 3811 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3825,7 +3816,6 @@
 /* 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() {
 
@@ -3835,12 +3825,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3844: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3834: \"$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
@@ -3868,12 +3858,12 @@
 for ac_func in dup2 getcwd strdup strerror memmove
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3872: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3862: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3877 "configure"
+#line 3867 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3882,7 +3872,6 @@
 /* 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() {
 
@@ -3892,12 +3881,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3901: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3890: \"$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
@@ -3924,12 +3913,12 @@
 
 
 echo $ac_n "checking for getpgrp""... $ac_c" 1>&6
-echo "configure:3928: checking for getpgrp" >&5
-if eval "test \"\${ac_cv_func_getpgrp+set}\" = set"; then
+echo "configure:3917: checking for getpgrp" >&5
+if eval "test \"`echo '$''{'ac_cv_func_getpgrp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3933 "configure"
+#line 3922 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getpgrp(); below.  */
@@ -3938,7 +3927,6 @@
 /* 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() {
 
@@ -3948,12 +3936,12 @@
 #if defined (__stub_getpgrp) || defined (__stub___getpgrp)
 choke me
 #else
-f = getpgrp;
+getpgrp();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3957: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3945: \"$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
@@ -3968,14 +3956,14 @@
 if eval "test \"`echo '$ac_cv_func_'getpgrp`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   cat > conftest.$ac_ext <<EOF
-#line 3972 "configure"
+#line 3960 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 getpgrp(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3979: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3967: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define GETPGRP_HAVE_ARG 1
@@ -3991,12 +3979,12 @@
 fi
 
 echo $ac_n "checking for setpgrp""... $ac_c" 1>&6
-echo "configure:3995: checking for setpgrp" >&5
-if eval "test \"\${ac_cv_func_setpgrp+set}\" = set"; then
+echo "configure:3983: checking for setpgrp" >&5
+if eval "test \"`echo '$''{'ac_cv_func_setpgrp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4000 "configure"
+#line 3988 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char setpgrp(); below.  */
@@ -4005,7 +3993,6 @@
 /* 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() {
 
@@ -4015,12 +4002,12 @@
 #if defined (__stub_setpgrp) || defined (__stub___setpgrp)
 choke me
 #else
-f = setpgrp;
+setpgrp();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4024: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4011: \"$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
@@ -4035,14 +4022,14 @@
 if eval "test \"`echo '$ac_cv_func_'setpgrp`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   cat > conftest.$ac_ext <<EOF
-#line 4039 "configure"
+#line 4026 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 setpgrp(0,0);
 ; return 0; }
 EOF
-if { (eval echo configure:4046: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4033: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define SETPGRP_HAVE_ARG 1
@@ -4058,12 +4045,12 @@
 fi
 
 echo $ac_n "checking for gettimeofday""... $ac_c" 1>&6
-echo "configure:4062: checking for gettimeofday" >&5
-if eval "test \"\${ac_cv_func_gettimeofday+set}\" = set"; then
+echo "configure:4049: checking for gettimeofday" >&5
+if eval "test \"`echo '$''{'ac_cv_func_gettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4067 "configure"
+#line 4054 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gettimeofday(); below.  */
@@ -4072,7 +4059,6 @@
 /* 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() {
 
@@ -4082,12 +4068,12 @@
 #if defined (__stub_gettimeofday) || defined (__stub___gettimeofday)
 choke me
 #else
-f = gettimeofday;
+gettimeofday();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4091: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4077: \"$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
@@ -4102,14 +4088,14 @@
 if eval "test \"`echo '$ac_cv_func_'gettimeofday`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   cat > conftest.$ac_ext <<EOF
-#line 4106 "configure"
+#line 4092 "configure"
 #include "confdefs.h"
 #include <sys/time.h>
 int main() {
 gettimeofday((struct timeval*)0,(struct timezone*)0);
 ; return 0; }
 EOF
-if { (eval echo configure:4113: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4099: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -4128,12 +4114,12 @@
 
 # checks for structures
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:4132: checking whether time.h and sys/time.h may both be included" >&5
-if eval "test \"\${ac_cv_header_time+set}\" = set"; then
+echo "configure:4118: checking whether time.h and sys/time.h may both be included" >&5
+if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4137 "configure"
+#line 4123 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -4142,7 +4128,7 @@
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:4146: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4132: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -4163,12 +4149,12 @@
 fi
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:4167: checking whether struct tm is in sys/time.h or time.h" >&5
-if eval "test \"\${ac_cv_struct_tm+set}\" = set"; then
+echo "configure:4153: checking whether struct tm is in sys/time.h or time.h" >&5
+if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4172 "configure"
+#line 4158 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -4176,7 +4162,7 @@
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:4180: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4166: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -4196,47 +4182,46 @@
 
 fi
 
-echo $ac_n "checking for member tm_zone in aggregate type struct tm""... $ac_c" 1>&6
-echo "configure:4201: 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 "checking for tm_zone in struct tm""... $ac_c" 1>&6
+echo "configure:4187: checking for tm_zone in struct tm" >&5
+if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4206 "configure"
+#line 4192 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
 int main() {
-struct tm foo; foo.tm_zone;
+struct tm tm; tm.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:4214: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4200: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  ac_cv_c_struct_member_tm_zone=yes
+  ac_cv_struct_tm_zone=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  ac_cv_c_struct_member_tm_zone=no
+  ac_cv_struct_tm_zone=no
 fi
 rm -f conftest*
 fi
 
-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
+echo "$ac_t""$ac_cv_struct_tm_zone" 1>&6
+if test "$ac_cv_struct_tm_zone" = yes; then
   cat >> confdefs.h <<\EOF
 #define HAVE_TM_ZONE 1
 EOF
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:4235: checking for tzname" >&5
-if eval "test \"\${ac_cv_var_tzname+set}\" = set"; then
+echo "configure:4220: checking for tzname" >&5
+if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4240 "configure"
+#line 4225 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -4246,7 +4231,7 @@
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:4250: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4235: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -4269,19 +4254,19 @@
 
 
 echo $ac_n "checking for time.h that defines altzone""... $ac_c" 1>&6
-echo "configure:4273: checking for time.h that defines altzone" >&5
-if eval "test \"\${ac_cv_header_time_altzone+set}\" = set"; then
+echo "configure:4258: checking for time.h that defines altzone" >&5
+if eval "test \"`echo '$''{'ac_cv_header_time_altzone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4278 "configure"
+#line 4263 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 return altzone;
 ; return 0; }
 EOF
-if { (eval echo configure:4285: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4270: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time_altzone=yes
 else
@@ -4303,9 +4288,9 @@
 
 was_it_defined=no
 echo $ac_n "checking whether sys/select.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:4307: checking whether sys/select.h and sys/time.h may both be included" >&5
+echo "configure:4292: checking whether sys/select.h and sys/time.h may both be included" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4309 "configure"
+#line 4294 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4316,7 +4301,7 @@
 ;
 ; return 0; }
 EOF
-if { (eval echo configure:4320: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4305: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define SYS_SELECT_WITH_SYS_TIME 1
@@ -4332,14 +4317,14 @@
 # checks for compiler characteristics
 
 echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:4336: checking whether char is unsigned" >&5
-if eval "test \"\${ac_cv_c_char_unsigned+set}\" = set"; then
+echo "configure:4321: checking whether char is unsigned" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 4343 "configure"
+#line 4328 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -4361,7 +4346,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4365 "configure"
+#line 4350 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -4371,7 +4356,7 @@
   volatile char c = 255; exit(c < 0);
 }
 EOF
-if { (eval echo configure:4375: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4360: \"$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
@@ -4395,12 +4380,12 @@
 fi
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:4399: checking for working const" >&5
-if eval "test \"\${ac_cv_c_const+set}\" = set"; then
+echo "configure:4384: checking for working const" >&5
+if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4404 "configure"
+#line 4389 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4449,7 +4434,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:4453: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4438: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -4470,21 +4455,21 @@
 fi
 
 echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:4474: checking for inline" >&5
-if eval "test \"\${ac_cv_c_inline+set}\" = set"; then
+echo "configure:4459: checking for inline" >&5
+if eval "test \"`echo '$''{'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 4481 "configure"
+#line 4466 "configure"
 #include "confdefs.h"
 
 int main() {
 } $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:4488: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4473: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_inline=$ac_kw; break
 else
@@ -4512,16 +4497,16 @@
 
 works=no
 echo $ac_n "checking for working volatile""... $ac_c" 1>&6
-echo "configure:4516: checking for working volatile" >&5
+echo "configure:4501: checking for working volatile" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4518 "configure"
+#line 4503 "configure"
 #include "confdefs.h"
 
 int main() {
 volatile int x; x = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:4525: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4510: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   works=yes
 else
@@ -4538,16 +4523,16 @@
 
 works=no
 echo $ac_n "checking for working signed char""... $ac_c" 1>&6
-echo "configure:4542: checking for working signed char" >&5
+echo "configure:4527: checking for working signed char" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4544 "configure"
+#line 4529 "configure"
 #include "confdefs.h"
 
 int main() {
 signed char c;
 ; return 0; }
 EOF
-if { (eval echo configure:4551: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4536: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   works=yes
 else
@@ -4564,16 +4549,16 @@
 
 have_prototypes=no
 echo $ac_n "checking for prototypes""... $ac_c" 1>&6
-echo "configure:4568: checking for prototypes" >&5
+echo "configure:4553: checking for prototypes" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4570 "configure"
+#line 4555 "configure"
 #include "confdefs.h"
 int foo(int x) { return 0; }
 int main() {
 return foo(10);
 ; return 0; }
 EOF
-if { (eval echo configure:4577: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4562: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_PROTOTYPES 1
@@ -4588,9 +4573,9 @@
 
 works=no
 echo $ac_n "checking for variable length prototypes and stdarg.h""... $ac_c" 1>&6
-echo "configure:4592: checking for variable length prototypes and stdarg.h" >&5
+echo "configure:4577: checking for variable length prototypes and stdarg.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4594 "configure"
+#line 4579 "configure"
 #include "confdefs.h"
 
 #include <stdarg.h>
@@ -4607,7 +4592,7 @@
 return foo(10, "", 3.14);
 ; return 0; }
 EOF
-if { (eval echo configure:4611: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4596: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_STDARG_PROTOTYPES 1
@@ -4623,16 +4608,16 @@
 if test "$have_prototypes" = yes; then
 bad_prototypes=no
 echo $ac_n "checking for bad exec* prototypes""... $ac_c" 1>&6
-echo "configure:4627: checking for bad exec* prototypes" >&5
+echo "configure:4612: checking for bad exec* prototypes" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4629 "configure"
+#line 4614 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 char **t;execve("@",t,t);
 ; return 0; }
 EOF
-if { (eval echo configure:4636: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4621: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -4649,12 +4634,12 @@
 
 bad_forward=no
 echo $ac_n "checking for bad static forward""... $ac_c" 1>&6
-echo "configure:4653: checking for bad static forward" >&5
+echo "configure:4638: checking for bad static forward" >&5
 if test "$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 4658 "configure"
+#line 4643 "configure"
 #include "confdefs.h"
 
 struct s { int a; int b; };
@@ -4670,7 +4655,7 @@
 }
 
 EOF
-if { (eval echo configure:4674: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4659: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -4689,9 +4674,9 @@
 
 va_list_is_array=no
 echo $ac_n "checking whether va_list is an array""... $ac_c" 1>&6
-echo "configure:4693: checking whether va_list is an array" >&5
+echo "configure:4678: checking whether va_list is an array" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4695 "configure"
+#line 4680 "configure"
 #include "confdefs.h"
 
 #ifdef HAVE_STDARG_PROTOTYPES
@@ -4704,7 +4689,7 @@
 va_list list1, list2; list1 = list2;
 ; return 0; }
 EOF
-if { (eval echo configure:4708: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4693: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -4720,12 +4705,12 @@
 
 # sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
 echo $ac_n "checking for gethostbyname_r""... $ac_c" 1>&6
-echo "configure:4724: checking for gethostbyname_r" >&5
-if eval "test \"\${ac_cv_func_gethostbyname_r+set}\" = set"; then
+echo "configure:4709: checking for gethostbyname_r" >&5
+if eval "test \"`echo '$''{'ac_cv_func_gethostbyname_r'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4729 "configure"
+#line 4714 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname_r(); below.  */
@@ -4734,7 +4719,6 @@
 /* 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() {
 
@@ -4744,12 +4728,12 @@
 #if defined (__stub_gethostbyname_r) || defined (__stub___gethostbyname_r)
 choke me
 #else
-f = gethostbyname_r;
+gethostbyname_r();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4753: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4737: \"$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
@@ -4769,11 +4753,11 @@
 EOF
 
   echo $ac_n "checking gethostbyname_r with 6 args""... $ac_c" 1>&6
-echo "configure:4773: checking gethostbyname_r with 6 args" >&5
+echo "configure:4757: checking gethostbyname_r with 6 args" >&5
   OLD_CFLAGS=$CFLAGS
   CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
   cat > conftest.$ac_ext <<EOF
-#line 4777 "configure"
+#line 4761 "configure"
 #include "confdefs.h"
 
 #   include <netdb.h>
@@ -4790,7 +4774,7 @@
   
 ; return 0; }
 EOF
-if { (eval echo configure:4794: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4778: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
     cat >> confdefs.h <<\EOF
@@ -4810,9 +4794,9 @@
   
     echo "$ac_t""no" 1>&6
     echo $ac_n "checking gethostbyname_r with 5 args""... $ac_c" 1>&6
-echo "configure:4814: checking gethostbyname_r with 5 args" >&5
+echo "configure:4798: checking gethostbyname_r with 5 args" >&5
     cat > conftest.$ac_ext <<EOF
-#line 4816 "configure"
+#line 4800 "configure"
 #include "confdefs.h"
 
 #     include <netdb.h>
@@ -4829,7 +4813,7 @@
     
 ; return 0; }
 EOF
-if { (eval echo configure:4833: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4817: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       cat >> confdefs.h <<\EOF
@@ -4849,9 +4833,9 @@
   
       echo "$ac_t""no" 1>&6
       echo $ac_n "checking gethostbyname_r with 3 args""... $ac_c" 1>&6
-echo "configure:4853: checking gethostbyname_r with 3 args" >&5
+echo "configure:4837: checking gethostbyname_r with 3 args" >&5
       cat > conftest.$ac_ext <<EOF
-#line 4855 "configure"
+#line 4839 "configure"
 #include "confdefs.h"
 
 #       include <netdb.h>
@@ -4866,7 +4850,7 @@
       
 ; return 0; }
 EOF
-if { (eval echo configure:4870: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4854: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
         cat >> confdefs.h <<\EOF
@@ -4900,12 +4884,12 @@
   echo "$ac_t""no" 1>&6
 
   echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:4904: checking for gethostbyname" >&5
-if eval "test \"\${ac_cv_func_gethostbyname+set}\" = set"; then
+echo "configure:4888: checking for gethostbyname" >&5
+if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4909 "configure"
+#line 4893 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -4914,7 +4898,6 @@
 /* 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() {
 
@@ -4924,12 +4907,12 @@
 #if defined (__stub_gethostbyname) || defined (__stub___gethostbyname)
 choke me
 #else
-f = gethostbyname;
+gethostbyname();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4933: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4916: \"$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
@@ -4965,15 +4948,15 @@
 
 # Linux requires this for correct f.p. operations
 echo $ac_n "checking for __fpu_control in -lieee""... $ac_c" 1>&6
-echo "configure:4969: checking for __fpu_control in -lieee" >&5
+echo "configure:4952: checking for __fpu_control in -lieee" >&5
 ac_lib_var=`echo ieee'_'__fpu_control | sed 'y%./+-%__p_%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_lib_$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 4977 "configure"
+#line 4960 "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
@@ -4984,7 +4967,7 @@
 __fpu_control()
 ; return 0; }
 EOF
-if { (eval echo configure:4988: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4971: \"$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
@@ -5014,7 +4997,7 @@
 
 # Check for --with-fpectl
 echo $ac_n "checking for --with-fpectl""... $ac_c" 1>&6
-echo "configure:5018: checking for --with-fpectl" >&5
+echo "configure:5001: checking for --with-fpectl" >&5
 # Check whether --with-fpectl or --without-fpectl was given.
 if test "${with_fpectl+set}" = set; then
   withval="$with_fpectl"
@@ -5039,7 +5022,7 @@
 *) LIBM=-lm
 esac
 echo $ac_n "checking for --with-libm=STRING""... $ac_c" 1>&6
-echo "configure:5043: checking for --with-libm=STRING" >&5
+echo "configure:5026: checking for --with-libm=STRING" >&5
 # Check whether --with-libm or --without-libm was given.
 if test "${with_libm+set}" = set; then
   withval="$with_libm"
@@ -5060,7 +5043,7 @@
 # check for --with-libc=...
 
 echo $ac_n "checking for --with-libc=STRING""... $ac_c" 1>&6
-echo "configure:5064: checking for --with-libc=STRING" >&5
+echo "configure:5047: checking for --with-libc=STRING" >&5
 # Check whether --with-libc or --without-libc was given.
 if test "${with_libc+set}" = set; then
   withval="$with_libc"
@@ -5084,12 +5067,12 @@
 for ac_func in hypot
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5088: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:5071: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5093 "configure"
+#line 5076 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5098,7 +5081,6 @@
 /* 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() {
 
@@ -5108,12 +5090,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5117: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5099: \"$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
@@ -5140,12 +5122,12 @@
 for ac_func in hypot
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5144: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:5126: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5149 "configure"
+#line 5131 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5154,7 +5136,6 @@
 /* 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() {
 
@@ -5164,12 +5145,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5173: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5154: \"$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
@@ -5203,12 +5184,12 @@
 for ac_func in rint
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5207: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:5188: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5212 "configure"
+#line 5193 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5217,7 +5198,6 @@
 /* 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() {
 
@@ -5227,12 +5207,12 @@
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5236: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5216: \"$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
@@ -5260,15 +5240,15 @@
 
 # check for getopt
 echo $ac_n "checking for genuine getopt""... $ac_c" 1>&6
-echo "configure:5264: checking for genuine getopt" >&5
-if eval "test \"\${ac_cv_func_getopt+set}\" = set"; then
+echo "configure:5244: checking for genuine getopt" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 5272 "configure"
+#line 5252 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 extern int optind, opterr, getopt();
@@ -5280,7 +5260,7 @@
 	exit(0);
 }
 EOF
-if { (eval echo configure:5284: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5264: \"$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
@@ -5298,15 +5278,15 @@
 
 # check whether malloc(0) returns NULL or not
 echo $ac_n "checking what malloc(0) returns""... $ac_c" 1>&6
-echo "configure:5302: checking what malloc(0) returns" >&5
-if eval "test \"\${ac_cv_malloc_zero+set}\" = set"; then
+echo "configure:5282: checking what malloc(0) returns" >&5
+if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 5310 "configure"
+#line 5290 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #ifdef HAVE_STDLIB
@@ -5325,7 +5305,7 @@
 	exit(0);
 }
 EOF
-if { (eval echo configure:5329: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5309: \"$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
@@ -5351,17 +5331,17 @@
 # check for wchar.h
 ac_safe=`echo "wchar.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for wchar.h""... $ac_c" 1>&6
-echo "configure:5355: checking for wchar.h" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:5335: checking for wchar.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5360 "configure"
+#line 5340 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5365: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5345: \"$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*
@@ -5391,12 +5371,12 @@
 # check for usable wchar_t
 usable_wchar_t="unkown"
 echo $ac_n "checking for usable wchar_t""... $ac_c" 1>&6
-echo "configure:5395: checking for usable wchar_t" >&5
+echo "configure:5375: checking for usable wchar_t" >&5
 if test "$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 5400 "configure"
+#line 5380 "configure"
 #include "confdefs.h"
 
 #include "wchar.h"
@@ -5410,7 +5390,7 @@
 }
 
 EOF
-if { (eval echo configure:5414: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5394: \"$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
@@ -5429,14 +5409,14 @@
 
 # check for endianness
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:5433: checking whether byte ordering is bigendian" >&5
-if eval "test \"\${ac_cv_c_bigendian+set}\" = set"; then
+echo "configure:5413: checking whether byte ordering is bigendian" >&5
+if eval "test \"`echo '$''{'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 5440 "configure"
+#line 5420 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -5447,11 +5427,11 @@
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:5451: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5431: \"$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 5455 "configure"
+#line 5435 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -5462,7 +5442,7 @@
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:5466: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5446: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -5482,7 +5462,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5486 "configure"
+#line 5466 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -5495,7 +5475,7 @@
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:5499: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5479: \"$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
@@ -5521,7 +5501,7 @@
 
 # Check for --with-wctype-functions
 echo $ac_n "checking for --with-wctype-functions""... $ac_c" 1>&6
-echo "configure:5525: checking for --with-wctype-functions" >&5
+echo "configure:5505: checking for --with-wctype-functions" >&5
 # Check whether --with-wctype-functions or --without-wctype-functions was given.
 if test "${with_wctype_functions+set}" = set; then
   withval="$with_wctype_functions"
@@ -5546,12 +5526,12 @@
 #endif
 EOF
 echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
-echo "configure:5550: checking for socklen_t" >&5
-if eval "test \"\${ac_cv_type_socklen_t+set}\" = set"; then
+echo "configure:5530: checking for socklen_t" >&5
+if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5555 "configure"
+#line 5535 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -5562,19 +5542,17 @@
 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*
-  eval "ac_cv_type_socklen_t=yes"
+  ac_cv_type_socklen_t=yes
 else
   rm -rf conftest*
-  eval "ac_cv_type_socklen_t=no"
+  ac_cv_type_socklen_t=no
 fi
 rm -f conftest*
 
 fi
-if eval "test \"`echo '$ac_cv_type_'socklen_t`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-else
-  echo "$ac_t""no" 1>&6
-  cat >> confdefs.h <<EOF
+echo "$ac_t""$ac_cv_type_socklen_t" 1>&6
+if test $ac_cv_type_socklen_t = no; then
+  cat >> confdefs.h <<\EOF
 #define socklen_t int
 EOF
 
@@ -5672,7 +5650,7 @@
     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 2.14.1"
+    echo "$CONFIG_STATUS generated by autoconf version 2.13"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -5970,5 +5948,5 @@
 EOF
 chmod +x $CONFIG_STATUS
 rm -fr confdefs* $ac_clean_files
-test "$no_create" = yes || $SHELL $CONFIG_STATUS || exit 1
+test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
 
diff --git a/configure.in b/configure.in
index 4944ec4..fd5f368 100644
--- a/configure.in
+++ b/configure.in
@@ -13,7 +13,7 @@
 
 	AC_MSG_CHECKING(for --with-next-archs)
 	AC_ARG_WITH(next-archs,
-	 [--with-next-archs='arch1 arch2 ..'   build MAB binary], [
+	 [  --with-next-archs='arch1 arch2 ..'   build MAB binary], [
 		if test -n "$withval"; then
 		    ac_arch_flags=`/usr/lib/arch_tool -archify_list $withval`
 		    # GCC does not currently support multi archs on the NeXT
@@ -33,9 +33,9 @@
 fi
 
 AC_ARG_WITH(next-framework,
-[--with-next-framework     Build (OpenStep|Rhapsody|MacOS10) framework],,)
-AC_ARG_WITH(dyld, 
-[--with-dyld               Use (OpenStep|Rhapsody|MacOS10) dynamic linker],,)
+[  --with-next-framework           Build (OpenStep|Rhapsody|MacOSX) framework],,)
+AC_ARG_WITH(dyld,
+[  --with-dyld                     Use (OpenStep|Rhapsody|MacOSX) dynamic linker],,)
 
 # Set name for machine-dependent library files
 AC_SUBST(MACHDEP)
@@ -99,7 +99,7 @@
 
 # checks for alternative programs
 AC_MSG_CHECKING(for --without-gcc)
-AC_ARG_WITH(gcc, [--without-gcc             never use gcc], [
+AC_ARG_WITH(gcc, [  --without-gcc                   never use gcc], [
 	case $withval in
 	no)	CC=cc
 		without_gcc=yes;;
@@ -156,7 +156,7 @@
 AC_SUBST(MAINOBJ)
 MAINOBJ=python.o
 AC_MSG_CHECKING(for --with-cxx=<compiler>)
-AC_ARG_WITH(cxx, [--with-cxx=<compiler>     enable C++ support],[
+AC_ARG_WITH(cxx, [  --with-cxx=<compiler>           enable C++ support],[
 	case $withval in
 	no)	CXX=
 		with_cxx=no;;
@@ -612,26 +612,27 @@
 esac
 
 AC_MSG_CHECKING(for --with-libs)
-AC_ARG_WITH(libs, [--with-libs='lib1 ...'    link against additional libs], [
+AC_ARG_WITH(libs,
+[  --with-libs='lib1 ...'          link against additional libs], [
 AC_MSG_RESULT($withval)
 LIBS="$withval $LIBS"
 ], AC_MSG_RESULT(no))
 
 AC_MSG_CHECKING(for --with(out)-readline)
 AC_ARG_WITH(readline,
-[--with(out)-readline      obsolete, edit Modules/Setup instead],
+[  --with(out)-readline            obsolete, edit Modules/Setup instead],
 [AC_MSG_RESULT($withval)
 AC_ERROR(--with(out)-readline is obsolete, edit Modules/Setup instead)],
 [AC_MSG_RESULT(not specified.)])
 
 AC_SUBST(USE_THREAD_MODULE)
-USE_THREAD_MODULE="#"
+USE_THREAD_MODULE=""
 
 AC_MSG_CHECKING(for --with-dec-threads)
 AC_SUBST(LDLAST)
 AC_ARG_WITH(dec-threads,
-[--with-dec-threads        use DEC Alpha/OSF1 thread-safe libraries],
-[AC_MSG_RESULT($withval)
+[  --with-dec-threads              use DEC Alpha/OSF1 thread-safe libraries], [
+AC_MSG_RESULT($withval)
 LDLAST=-threads
 if test "${with_thread+set}" != set; then
    with_thread="$withval";
@@ -639,70 +640,78 @@
 AC_MSG_RESULT(no))
 
 AC_MSG_CHECKING(for --with-threads)
-AC_ARG_WITH(threads, [--with-threads            alias for --with-thread],
-[AC_MSG_RESULT($withval)
-if test "${with_thread+set}" != set; then
-   with_thread="$withval";
-fi],
-AC_MSG_RESULT(no))
+AC_ARG_WITH(threads,
+[  --with(out)-threads[=DIRECTORY] disable/enable thread support])
 
-AC_MSG_CHECKING(for --with-thread)
-AC_ARG_WITH(thread, [--with-thread[=DIRECTORY] make interpreter thread-safe], [
-USE_THREAD_MODULE=
-AC_MSG_RESULT($withval)
-if test -d "$withval"
-then LDFLAGS="$LDFLAGS -L$withval"
+# --with-thread is deprecated, but check for it anyway
+AC_ARG_WITH(thread,,[with_threads=$with_thread])
+
+if test -z "$with_threads"
+then with_threads="yes"
 fi
-AC_DEFINE(_REENTRANT)
-AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
-AC_DEFINE(C_THREADS)
-LIBOBJS="$LIBOBJS thread.o"],[
-AC_CHECK_LIB(pth, pth_init, [AC_DEFINE(WITH_THREAD)
-AC_DEFINE(_GNU_PTH)
-LIBS="-lpth $LIBS"
-LIBOBJS="$LIBOBJS thread.o"],[
-AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
-AC_DEFINE(_POSIX_THREADS)
-LIBS="-lpthread $LIBS"
-LIBOBJS="$LIBOBJS thread.o"],[
-AC_CHECK_FUNC(pthread_detach, [AC_DEFINE(WITH_THREAD)
-AC_DEFINE(_POSIX_THREADS)
-LIBOBJS="$LIBOBJS thread.o"],[
-AC_CHECK_HEADER(kernel/OS.h, [AC_DEFINE(WITH_THREAD)
-AC_DEFINE(BEOS_THREADS)
-LIBOBJS="$LIBOBJS thread.o"],[
-AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD)
-AC_DEFINE(_POSIX_THREADS)
-LIBS="$LIBS -lpthreads"
-LIBOBJS="$LIBOBJS thread.o"], [
-AC_CHECK_LIB(c_r, pthread_create, [AC_DEFINE(WITH_THREAD)
-AC_DEFINE(_POSIX_THREADS)
-LIBS="$LIBS -lc_r"
-LIBOBJS="$LIBOBJS thread.o"], [
-AC_CHECK_LIB(thread, __d6_pthread_create, [AC_DEFINE(WITH_THREAD)
-AC_DEFINE(_POSIX_THREADS)
-LIBS="$LIBS -lthread"
-LIBOBJS="$LIBOBJS thread.o"], [
-AC_CHECK_LIB(cma, pthread_create, [AC_DEFINE(WITH_THREAD)
-AC_DEFINE(_POSIX_THREADS)
-LIBS="$LIBS -lcma"
-LIBOBJS="$LIBOBJS thread.o"])
-])])])])])])])])
+AC_MSG_RESULT($with_threads)
 
-AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
-LIBS="$LIBS -lmpc"
-LIBOBJS="$LIBOBJS thread.o"])
-AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
-LIBS="$LIBS -lthread"
-LIBOBJS="$LIBOBJS thread.o"])
-], AC_MSG_RESULT(no))
+if test "$with_threads" = "no"
+then
+    USE_THREAD_MODULE="#"
+else
+    if test -d "$with_threads"
+    then LDFLAGS="$LDFLAGS -L$with_threads"
+    fi
+    if test -d "$withval"
+    then LDFLAGS="$LDFLAGS -L$withval"
+    fi
+    AC_DEFINE(_REENTRANT)
+    AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
+    AC_DEFINE(C_THREADS)
+    LIBOBJS="$LIBOBJS thread.o"],[
+    AC_CHECK_LIB(pth, pth_init, [AC_DEFINE(WITH_THREAD)
+    AC_DEFINE(_GNU_PTH)
+    LIBS="-lpth $LIBS"
+    LIBOBJS="$LIBOBJS thread.o"],[
+    AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
+    AC_DEFINE(_POSIX_THREADS)
+    LIBS="-lpthread $LIBS"
+    LIBOBJS="$LIBOBJS thread.o"],[
+    AC_CHECK_FUNC(pthread_detach, [AC_DEFINE(WITH_THREAD)
+    AC_DEFINE(_POSIX_THREADS)
+    LIBOBJS="$LIBOBJS thread.o"],[
+    AC_CHECK_HEADER(kernel/OS.h, [AC_DEFINE(WITH_THREAD)
+    AC_DEFINE(BEOS_THREADS)
+    LIBOBJS="$LIBOBJS thread.o"],[
+    AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD)
+    AC_DEFINE(_POSIX_THREADS)
+    LIBS="$LIBS -lpthreads"
+    LIBOBJS="$LIBOBJS thread.o"], [
+    AC_CHECK_LIB(c_r, pthread_create, [AC_DEFINE(WITH_THREAD)
+    AC_DEFINE(_POSIX_THREADS)
+    LIBS="$LIBS -lc_r"
+    LIBOBJS="$LIBOBJS thread.o"], [
+    AC_CHECK_LIB(thread, __d6_pthread_create, [AC_DEFINE(WITH_THREAD)
+    AC_DEFINE(_POSIX_THREADS)
+    LIBS="$LIBS -lthread"
+    LIBOBJS="$LIBOBJS thread.o"], [
+    AC_CHECK_LIB(cma, pthread_create, [AC_DEFINE(WITH_THREAD)
+    AC_DEFINE(_POSIX_THREADS)
+    LIBS="$LIBS -lcma"
+    LIBOBJS="$LIBOBJS thread.o"])
+    ])])])])])])])])
+
+    AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
+    LIBS="$LIBS -lmpc"
+    LIBOBJS="$LIBOBJS thread.o"])
+    AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
+    LIBS="$LIBS -lthread"
+    LIBOBJS="$LIBOBJS thread.o"])
+fi
 
 # -I${DLINCLDIR} is added to the compile rule for importdl.o
 AC_SUBST(DLINCLDIR)
 DLINCLDIR=/
 
 AC_MSG_CHECKING(for --with-sgi-dl)
-AC_ARG_WITH(sgi-dl, [--with-sgi-dl=DIRECTORY   IRIX 4 dynamic linking], [
+AC_ARG_WITH(sgi-dl,
+[  --with-sgi-dl=DIRECTORY         IRIX 4 dynamic linking], [
 AC_MSG_RESULT($withval)
 AC_DEFINE(WITH_SGI_DL)
 DYNLOADFILE="dynload_dl.o"
@@ -715,7 +724,7 @@
 LIBS="$LIBS -ldl -lmld"], AC_MSG_RESULT(no))
 
 AC_MSG_CHECKING(for --with-dl-dld)
-AC_ARG_WITH(dl-dld, [--with-dl-dld=DL_DIR,DLD_DIR  GNU dynamic linking], [
+AC_ARG_WITH(dl-dld, [  --with-dl-dld=DL_DIR,DLD_DIR    GNU dynamic linking], [
 AC_MSG_RESULT($withval)
 AC_DEFINE(WITH_DL_DLD)
 DYNLOADFILE="dynload_dl.o"
@@ -958,7 +967,8 @@
 
 # Check for --with-fpectl
 AC_MSG_CHECKING(for --with-fpectl)
-AC_ARG_WITH(fpectl, [--with-fpectl             enable SIGFPE catching], [
+AC_ARG_WITH(fpectl,
+[  --with-fpectl                   enable SIGFPE catching], [
 if test "$withval" != no
 then AC_DEFINE(WANT_SIGFPE_HANDLER) AC_MSG_RESULT(yes)
 else AC_MSG_RESULT(no)
@@ -973,7 +983,7 @@
 *) LIBM=-lm
 esac
 AC_MSG_CHECKING(for --with-libm=STRING)
-AC_ARG_WITH(libm, [--with-libm=STRING        math library], [
+AC_ARG_WITH(libm, [  --with-libm=STRING              math library], [
 if test "$withval" = no
 then LIBM=
      AC_MSG_RESULT(force LIBM empty)
@@ -987,7 +997,7 @@
 # check for --with-libc=...
 AC_SUBST(LIBC)
 AC_MSG_CHECKING(for --with-libc=STRING)
-AC_ARG_WITH(libc, [--with-libc=STRING        C library], [
+AC_ARG_WITH(libc, [  --with-libc=STRING              C library], [
 if test "$withval" = no
 then LIBC=
      AC_MSG_RESULT(force LIBC empty)
@@ -1082,7 +1092,7 @@
 # Check for --with-wctype-functions
 AC_MSG_CHECKING(for --with-wctype-functions)
 AC_ARG_WITH(wctype-functions, 
-[--with-wctype-functions   use wctype.h functions], [
+[  --with-wctype-functions         use wctype.h functions], [
 if test "$withval" != no
 then AC_DEFINE(WANT_WCTYPE_FUNCTIONS) AC_MSG_RESULT(yes)
 else AC_MSG_RESULT(no)