From 6ad30915eb456d0dec58607780b459a17641a05c Mon Sep 17 00:00:00 2001
From: nbykov0 <166552198+nbykov0@users.noreply.github.com>
Date: Wed, 30 Apr 2025 23:44:06 +0300
Subject: [PATCH] Add PLATFORM make variable; calculate it if undefined

Signed-off-by: nbykov0 <166552198+nbykov0@users.noreply.github.com>
---
 scripts/common-envs.mk | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/scripts/common-envs.mk b/scripts/common-envs.mk
index 99bc29eb..ff2ece4a 100644
--- a/scripts/common-envs.mk
+++ b/scripts/common-envs.mk
@@ -14,3 +14,16 @@ ifeq ($(COZYSTACK_VERSION),)
     $(shell git fetch upstream --tags)
     COZYSTACK_VERSION = $(patsubst v%,%,$(shell git describe --tags))
 endif
+
+# Calculate PLATFORM based on current docker daemon arch
+ifndef PLATFORM
+  DOCKER_DAEMON_ARCH := $(shell docker info --format='{{.Architecture}}')
+  ifeq ($(DOCKER_DAEMON_ARCH),x86_64)
+      PLATFORM := linux/amd64
+  else ifeq ($(DOCKER_DAEMON_ARCH),aarch64)
+      PLATFORM := linux/arm64
+  else
+      $(error Unsupported architecture: "$(DOCKER_DAEMON_ARCH)")
+  endif
+  undefine DOCKER_DAEMON_ARCH
+endif