From aad9de322774c25e80f3ade6ecd96f45b62bf40a Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@golang.org>
Date: Tue, 29 Oct 2024 15:39:02 -0700
Subject: [PATCH] syscall: don't define syscall stub on Hurd

Patch from Samuel Thibault.

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/623415
---
 gcc/go/gofrontend/MERGE                 | 2 +-
 libgo/go/syscall/syscall_funcs.go       | 4 ++--
 libgo/go/syscall/syscall_funcs_stubs.go | 4 ++--
 libgo/runtime/go-nosys.c                | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index c39aca9b1b0..59badf80f40 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-092668d6ce6d7b3aff6797247cd53dc44319c558
+f9ea9801058aa98a421784da12b76cda0b4c6cf2
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
diff --git a/libgo/go/syscall/syscall_funcs.go b/libgo/go/syscall/syscall_funcs.go
index a906fa5a42e..fc14cb18286 100644
--- a/libgo/go/syscall/syscall_funcs.go
+++ b/libgo/go/syscall/syscall_funcs.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build darwin || dragonfly || freebsd || hurd || linux || netbsd || openbsd || solaris
-// +build darwin dragonfly freebsd hurd linux netbsd openbsd solaris
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
+// +build darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package syscall
 
diff --git a/libgo/go/syscall/syscall_funcs_stubs.go b/libgo/go/syscall/syscall_funcs_stubs.go
index 11f12bd9ae3..e37a6483b02 100644
--- a/libgo/go/syscall/syscall_funcs_stubs.go
+++ b/libgo/go/syscall/syscall_funcs_stubs.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build aix || rtems
-// +build aix rtems
+//go:build aix || hurd || rtems
+// +build aix hurd rtems
 
 // These are stubs.
 
diff --git a/libgo/runtime/go-nosys.c b/libgo/runtime/go-nosys.c
index 30222df7815..cd3e7664ca0 100644
--- a/libgo/runtime/go-nosys.c
+++ b/libgo/runtime/go-nosys.c
@@ -504,7 +504,7 @@ strerror_r (int errnum, char *buf, size_t buflen)
 
 #endif /* ! HAVE_STRERROR_R */
 
-#ifndef HAVE_SYSCALL
+#if !defined(HAVE_SYSCALL) && !defined(__GNU__) /* GNU/Hurd already has a stub */
 int
 syscall(int number __attribute__ ((unused)), ...)
 {