From ccb589bd7de3be12ca81e3f903f9e7bea1107eb2 Mon Sep 17 00:00:00 2001
From: Brad Davidson <brad.davidson@rancher.com>
Date: Sat, 14 Sep 2024 07:20:11 +0000
Subject: [PATCH] libc/int/userns: add build tag to C file

This fixes k3s cross-compilation on Windows, broken by commit
1912d5988bbb37918 ("*: actually support joining a userns with a new
container").

[@kolyshkin: commit message]

Fixes: 1912d5988bbb37918
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
---
 .../internal/userns/{userns_maps.c => userns_maps_linux.c}      | 2 ++
 1 file changed, 2 insertions(+)
 rename libcontainer/internal/userns/{userns_maps.c => userns_maps_linux.c} (99%)

diff --git a/libcontainer/internal/userns/userns_maps.c b/libcontainer/internal/userns/userns_maps_linux.c
similarity index 99%
rename from libcontainer/internal/userns/userns_maps.c
rename to libcontainer/internal/userns/userns_maps_linux.c
index 84f2c6188c3..fdb20aecad8 100644
--- a/libcontainer/internal/userns/userns_maps.c
+++ b/libcontainer/internal/userns/userns_maps_linux.c
@@ -1,3 +1,5 @@
+//go:build linux
+
 #define _GNU_SOURCE
 #include <fcntl.h>
 #include <sched.h>