From 1761288be43e5875ccda52fc7beeb56074dba31a Mon Sep 17 00:00:00 2001
From: Flatcar Buildbot <buildbot@flatcar-linux.org>
Date: Mon, 16 Sep 2024 07:14:26 +0000
Subject: [PATCH] eclass/toolchain-funcs: Sync with Gentoo

It's from Gentoo commit 3a9d3b4238e7706d8f2f3d5d652faae69091a9ad.
---
 .../portage-stable/eclass/toolchain-funcs.eclass   | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/sdk_container/src/third_party/portage-stable/eclass/toolchain-funcs.eclass b/sdk_container/src/third_party/portage-stable/eclass/toolchain-funcs.eclass
index 5e36fa275d..66819996ea 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/toolchain-funcs.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/toolchain-funcs.eclass
@@ -13,14 +13,18 @@
 # in such a way that you can rely on the function always returning
 # something sane.
 
-case ${EAPI} in
-	6|7|8) ;;
-	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
-esac
-
 if [[ -z ${_TOOLCHAIN_FUNCS_ECLASS} ]]; then
 _TOOLCHAIN_FUNCS_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 multilib
 
 # tc-getPROG <VAR [search vars]> <default> [tuple]