diff --git a/sdk_container/src/third_party/portage-stable/eclass/gnuconfig.eclass b/sdk_container/src/third_party/portage-stable/eclass/gnuconfig.eclass
index fb73087aea..afcb8feee0 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/gnuconfig.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/gnuconfig.eclass
@@ -16,14 +16,18 @@
 # other files that come with automake, e.g. depcomp, mkinstalldirs, etc.
 #
 
-case ${EAPI:-0} in
-	6|7|8) ;;
-	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
-esac
-
 if [[ -z ${_GNUCONFIG_ECLASS} ]] ; then
  _GNUCONFIG_CLASS=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
+
 # @ECLASS_VARIABLE: GNUCONFIG_DEPEND
 # @OUTPUT_VARIABLE
 # @DESCRIPTION: