libc/int/userns: add build tag to C file

brandond · kolyshkin · commit 04468c038d8c · 2025-02-06T19:10:39.000-08:00
This fixes k3s cross-compilation on Windows, broken by commit 1912d59 ("*: actually support joining a userns with a new container"). [@kolyshkin: commit message] Fixes: 1912d59 Signed-off-by: Brad Davidson <brad.davidson@rancher.com> Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com> (cherry picked from commit ccb589b) Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
diff --git a/libcontainer/internal/userns/userns_maps_linux.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>

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+//go:build linux`
	`2`	`+`
`1`	`3`	`#define _GNU_SOURCE`
`2`	`4`	`#include <fcntl.h>`
`3`	`5`	`#include <sched.h>`