From e7c3f7a66d8a22de9a1b0a8dead80f1ccdc8a5ab Mon Sep 17 00:00:00 2001
From: Flatcar Buildbot <buildbot@flatcar-linux.org>
Date: Mon, 16 Sep 2024 07:13:50 +0000
Subject: [PATCH] eclass/multilib: Sync with Gentoo

It's from Gentoo commit 56cd87bb454cc379b5b51d815e338ed405d799cb.
---
 .../portage-stable/eclass/multilib.eclass        | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/sdk_container/src/third_party/portage-stable/eclass/multilib.eclass b/sdk_container/src/third_party/portage-stable/eclass/multilib.eclass
index bf9c88f7e6..eca8c02d83 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/multilib.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/multilib.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: multilib.eclass
@@ -9,14 +9,18 @@
 # @DESCRIPTION:
 # This eclass is for all functions pertaining to handling multilib configurations.
 
-case ${EAPI} in
-	6|7|8) ;;
-	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
-esac
-
 if [[ -z ${_MULTILIB_ECLASS} ]]; then
 _MULTILIB_ECLASS=1
 
+case ${EAPI} in
+	6)
+		ewarn "${CATEGORY}/${PF}: ebuild uses ${ECLASS} with deprecated EAPI ${EAPI}!"
+		ewarn "${CATEGORY}/${PF}: Support will be removed on 2024-10-08. Please port to newer EAPI."
+		;;
+	7|8) ;;
+	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
+esac
+
 inherit toolchain-funcs
 
 # Defaults: