From 3df6718ec24e2dc5bf7f3239f26789c8c50af52c Mon Sep 17 00:00:00 2001
From: Flatcar Buildbot <buildbot@flatcar-linux.org>
Date: Mon, 23 Mar 2026 07:33:43 +0000
Subject: [PATCH] eclass/cmake: Sync with Gentoo

It's from Gentoo commit e94dae6f27ad6cdab3562540f1af2659b082e6f0.

Signed-off-by: Flatcar Buildbot <buildbot@flatcar-linux.org>
---
 sdk_container/src/third_party/portage-stable/eclass/cmake.eclass | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sdk_container/src/third_party/portage-stable/eclass/cmake.eclass b/sdk_container/src/third_party/portage-stable/eclass/cmake.eclass
index 643370f535..5ea90aa4da 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/cmake.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/cmake.eclass
@@ -601,6 +601,7 @@ cmake_src_configure() {
 		case "${KERNEL:-linux}" in
 			Cygwin) sysname="CYGWIN_NT-5.1" ;;
 			HPUX) sysname="HP-UX" ;;
+			Hurd) sysname="GNU" ;;
 			linux) sysname="Linux" ;;
 			Winnt)
 				sysname="Windows"