1 files changed, 8 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 267c40a..4aebc2a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1100,6 +1100,14 @@ then
         ac_cv_ping_packets_first=yes
         AC_MSG_RESULT([$with_ping_command])
 
+elif $PATH_TO_PING -4 -n -U -w 10 -c 1 127.0.0.1 2>/dev/null | \
+        egrep -i "^round-trip|^rtt" >/dev/null
+then
+        # check if -4 is supported - issue #1550
+        with_ping_command="$PATH_TO_PING -4 -n -U -w %d -c %d %s"
+        ac_cv_ping_packets_first=yes
+        ac_cv_ping_has_timeout=yes
+        AC_MSG_RESULT([$with_ping_command])
 elif $PATH_TO_PING -n -U -w 10 -c 1 127.0.0.1 2>/dev/null | \
         egrep -i "^round-trip|^rtt" >/dev/null
 then