From e314a56d0750b053d8a0bf6009f68d7316a0f96f Mon Sep 17 00:00:00 2001
From: andyzhangx <xiazhang@microsoft.com>
Date: Sun, 21 Feb 2021 11:57:46 +0000
Subject: [PATCH] add build-arg ARCH for building multi-arch images, e.g. ARG
 ARCH FROM k8s.gcr.io/build-image/debian-base-${ARCH}:v2.1.3

---
 build.make | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build.make b/build.make
index 9b8306c0..1faaf3b9 100644
--- a/build.make
+++ b/build.make
@@ -149,6 +149,7 @@ $(CMDS:%=push-multiarch-%): push-multiarch-%: check-pull-base-ref build-%
 				--platform=$$os/$$arch \
 				--file $$(eval echo \$${dockerfile_$$os}) \
 				--build-arg binary=./bin/$*$$suffix \
+				--build-arg ARCH=$$arch \
 				--label revision=$(REV) \
 				.; \
 		done; \