diff --git a/configure b/configure
index 6a326b3e6b..bb93c68ca5 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# From configure.in Revision: 1.75 
+# From configure.in Revision: 1.76 
 
 
 
@@ -3105,14 +3105,65 @@ ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_aton.$O"
 
 fi
 
-echo $ac_n "checking for vsnprintf""... $ac_c" 1>&6
-echo "configure:3110: checking for vsnprintf" >&5
-if eval "test \"`echo '$''{'ac_cv_func_vsnprintf'+set}'`\" = set"; then
+echo $ac_n "checking for strsep""... $ac_c" 1>&6
+echo "configure:3110: checking for strsep" >&5
+if eval "test \"`echo '$''{'ac_cv_func_strsep'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
 #line 3115 "configure"
 #include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char strsep(); 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 strsep();
+
+int main() {
+
+/* 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_strsep) || defined (__stub___strsep)
+choke me
+#else
+strsep();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3138: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_strsep=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_strsep=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'strsep`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  ISC_PLATFORM_NEEDSTRSEP="#undef ISC_PLATFORM_NEEDSTRSEP"
+else
+  echo "$ac_t""no" 1>&6
+ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS strsep.$O"
+	 ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS strsep.c"
+	 ISC_PLATFORM_NEEDSTRSEP="#define ISC_PLATFORM_NEEDSTRSEP 1"
+fi
+
+echo $ac_n "checking for vsnprintf""... $ac_c" 1>&6
+echo "configure:3161: checking for vsnprintf" >&5
+if eval "test \"`echo '$''{'ac_cv_func_vsnprintf'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3166 "configure"
+#include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vsnprintf(); below.  */
 #include <assert.h>
@@ -3134,7 +3185,7 @@ vsnprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3138: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3189: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_vsnprintf=yes"
 else
@@ -3166,12 +3217,12 @@ fi
 
 
 echo $ac_n "checking for chroot""... $ac_c" 1>&6
-echo "configure:3170: checking for chroot" >&5
+echo "configure:3221: checking for chroot" >&5
 if eval "test \"`echo '$''{'ac_cv_func_chroot'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3175 "configure"
+#line 3226 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char chroot(); below.  */
@@ -3194,7 +3245,7 @@ chroot();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3198: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3249: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_chroot=yes"
 else
@@ -3220,17 +3271,17 @@ for ac_hdr in linux/capability.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3224: checking for $ac_hdr" >&5
+echo "configure:3275: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3229 "configure"
+#line 3280 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3234: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3285: \"$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*
diff --git a/configure.in b/configure.in
index 6adc6e5dc1..b7b3520992 100644
--- a/configure.in
+++ b/configure.in
@@ -13,7 +13,7 @@ dnl PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
 dnl ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 dnl SOFTWARE.
 
-AC_REVISION($Revision: 1.76 $)
+AC_REVISION($Revision: 1.77 $)
 
 AC_PREREQ(2.13)
 
@@ -490,6 +490,11 @@ AC_CHECK_FUNC(inet_aton,
 	       ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS inet_aton.c"
 	       ISC_PLATFORM_NEEDATON="#define ISC_PLATFORM_NEEDATON 1"]
 )
+AC_CHECK_FUNC(strsep,
+	[ISC_PLATFORM_NEEDSTRSEP="#undef ISC_PLATFORM_NEEDSTRSEP"],
+	[ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS strsep.$O"
+	 ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS strsep.c"
+	 ISC_PLATFORM_NEEDSTRSEP="#define ISC_PLATFORM_NEEDSTRSEP 1"])
 AC_CHECK_FUNC(vsnprintf,
 	[ISC_PLATFORM_NEEDVSNPRINTF="#undef ISC_PLATFORM_NEEDVSNPRINTF"],
 	[ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS print.$O"