diff --git a/configure b/configure
index 476c967..99da821 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# From configure.in Revision: 1.34 
+# From configure.in Revision: 1.35 
 
 # Guess values for system-dependent variables and create Makefiles.
 # Generated automatically using autoconf version 2.10 
@@ -1702,7 +1702,7 @@
 # broken.  I see no elegant solution (probably CHECK_LIB should be
 # fixed to only add the library if the given entry point is not
 # satisfied without it).
-if test "`uname -s`" != IRIX
+if test "$ac_sys_system" != IRIX
 then
 echo $ac_n "checking for -lnsl""... $ac_c" 1>&6
 ac_lib_var=`echo nsl'_'t_open | tr './+\055' '__p_'`
@@ -2325,7 +2325,7 @@
 fi
 done
 
-for ac_func in dup2 getcwd strerror memmove
+for ac_func in dup2 getcwd strdup strerror memmove
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
@@ -3219,6 +3219,57 @@
 fi
 done
 
+for ac_func in hypot
+do
+echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3230 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char $ac_func();
+
+int main() { return 0; }
+int t() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+$ac_func();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3254: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=yes"
+else
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=no"
+fi
+rm -f conftest*
+
+fi
+if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+LIBOBJS="$LIBOBJS ${ac_func}.o"
+fi
+
+done
+
 LIBS=$LIBS_SAVE
 
 # check for getopt
@@ -3230,7 +3281,7 @@
   ac_cv_func_getopt=no
 else
 cat > conftest.$ac_ext <<EOF
-#line 3234 "configure"
+#line 3285 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 extern int optind, opterr, getopt();
@@ -3242,7 +3293,7 @@
 	exit(0);
 }
 EOF
-{ (eval echo configure:3246: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
+{ (eval echo configure:3297: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
 if test -s conftest && (./conftest; exit) 2>/dev/null; then
   ac_cv_func_getopt=yes
 else