From e84a303543e19157372dbf31853e29a9c1257491 Mon Sep 17 00:00:00 2001
From: Tianon Gravi <admwiggin@gmail.com>
Date: Mon, 14 Mar 2016 09:30:45 -0700
Subject: [PATCH] Add explicit code to handle older versions of Docker, too

Signed-off-by: Andrew "Tianon" Page <admwiggin@gmail.com>
---
 hack/make/.detect-daemon-osarch | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hack/make/.detect-daemon-osarch b/hack/make/.detect-daemon-osarch
index 9a512675ef..571e802eb9 100644
--- a/hack/make/.detect-daemon-osarch
+++ b/hack/make/.detect-daemon-osarch
@@ -12,6 +12,9 @@ docker-version-osarch() {
 		$1 ~ /^(Client|Server):$/ { section = 0 }
 		$1 == "'"$target"':" { section = 1; next }
 		section && $1 == "OS/Arch:" { print $2 }
+
+		# old versions of Docker
+		$1 == "OS/Arch" && $2 == "('"${target,,}"'):" { print $3 }
 	'
 }