Added ndn_memcmp
diff --git a/configure b/configure
index ffc4625..6e29ea7 100755
--- a/configure
+++ b/configure
@@ -4463,6 +4463,43 @@
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for memcmp" >&5
+$as_echo_n "checking for memcmp... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <memory.h>
+ void test() { unsigned char buffer[1]; memcmp(buffer, buffer, 1); }
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_MEMCMP 1
+_ACEOF
+
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_MEMCMP 0
+_ACEOF
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for memcpy" >&5
$as_echo_n "checking for memcpy... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext