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-rw-r--r--m4/curl-confopts.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/m4/curl-confopts.m4 b/m4/curl-confopts.m4
index 11fdd5301..bb25bb925 100644
--- a/m4/curl-confopts.m4
+++ b/m4/curl-confopts.m4
@@ -472,6 +472,7 @@ AC_DEFUN([CURL_CHECK_LIB_ARES], [
ares_channel channel;
ares_cancel(channel); /* added in 1.2.0 */
ares_process_fd(channel, 0, 0); /* added in 1.4.0 */
+ ares_dup(&channel, channel); /* added in 1.6.0 */
]])
],[
AC_MSG_RESULT([yes])