From 94d3214151adb9a8625f3e4762bc815620efd533 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Tue, 17 Mar 2026 23:41:42 +0000
Subject: [PATCH] gh-85332: Support cross-compiling for GNU/Hurd

Recognise *-gnu (after *-linux*) as GNU/Hurd for cross-compilation.
---
 configure    | 6 ++++++
 configure.ac | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/configure b/configure
index 23f24d51c79e1a..4011fb9184730f 100755
--- a/configure
+++ b/configure
@@ -4149,6 +4149,9 @@ then
 	*-*-darwin*)
 		ac_sys_system=Darwin
 		;;
+	*-gnu)
+		ac_sys_system=GNU
+		;;
 	*-*-vxworks*)
 	    ac_sys_system=VxWorks
 	    ;;
@@ -4619,6 +4622,9 @@ if test "$cross_compiling" = yes; then
 			_host_ident=$host_cpu
 		esac
 		;;
+	*-gnu)
+		_host_ident=$host_cpu
+		;;
 	*-*-cygwin*)
 		_host_ident=
 		;;
diff --git a/configure.ac b/configure.ac
index 635fce3f2e6fad..72b3d76b9571a9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -342,6 +342,9 @@ then
 	*-*-darwin*)
 		ac_sys_system=Darwin
 		;;
+	*-gnu)
+		ac_sys_system=GNU
+		;;
 	*-*-vxworks*)
 	    ac_sys_system=VxWorks
 	    ;;
@@ -780,6 +783,9 @@ if test "$cross_compiling" = yes; then
 			_host_ident=$host_cpu
 		esac
 		;;
+	*-gnu)
+		_host_ident=$host_cpu
+		;;
 	*-*-cygwin*)
 		_host_ident=
 		;;