Fix broken SELinux detection

The upgrade of dependencies in #78187 introduced a regression in
detecting if SELinux is enabled or not. As the library requires
the golang build tag `selinux` to be enabled after that version update.

Fixes bug report #83679

build/root/.bazelrc

@@ -16,6 +16,9 @@ build --workspace_status_command hack/print-workspace-status.sh
 # Make /tmp hermetic
 build --sandbox_tmpfs_path=/tmp
 
+# This tag is required to build github.com/opencontainers/selinux correctly
+build --define gotags=selinux
+
 # Ensure that Bazel never runs as root, which can cause unit tests to fail.
 # This flag requires Bazel 0.5.0+
 build --sandbox_fake_username

build/root/BUILD.root

@@ -5,6 +5,9 @@
 # gazelle:exclude _output
 # gazelle:exclude _tmp
 
+# This tag is required to build github.com/opencontainers/selinux correctly
+# gazelle:build_tags selinux
+
 # gazelle:prefix k8s.io/kubernetes
 
 # Disable proto rules, since the Go sources are currently generated by

vendor/github.com/opencontainers/selinux/go-selinux/BUILD

@@ -2,10 +2,22 @@ load("@io_bazel_rules_go//go:def.bzl", "go_library")
 
 go_library(
     name = "go_default_library",
-    srcs = ["selinux_stub.go"],
+    srcs = [
+        "selinux_linux.go",
+        "xattrs.go",
+    ],
     importmap = "k8s.io/kubernetes/vendor/github.com/opencontainers/selinux/go-selinux",
     importpath = "github.com/opencontainers/selinux/go-selinux",
     visibility = ["//visibility:public"],
+    deps = select({
+        "@io_bazel_rules_go//go/platform:android": [
+            "//vendor/golang.org/x/sys/unix:go_default_library",
+        ],
+        "@io_bazel_rules_go//go/platform:linux": [
+            "//vendor/golang.org/x/sys/unix:go_default_library",
+        ],
+        "//conditions:default": [],
+    }),
 )
 
 filegroup(

vendor/github.com/opencontainers/selinux/go-selinux/label/BUILD

@@ -2,10 +2,22 @@ load("@io_bazel_rules_go//go:def.bzl", "go_library")
 
 go_library(
     name = "go_default_library",
-    srcs = ["label.go"],
+    srcs = [
+        "label.go",
+        "label_selinux.go",
+    ],
     importmap = "k8s.io/kubernetes/vendor/github.com/opencontainers/selinux/go-selinux/label",
     importpath = "github.com/opencontainers/selinux/go-selinux/label",
     visibility = ["//visibility:public"],
+    deps = select({
+        "@io_bazel_rules_go//go/platform:android": [
+            "//vendor/github.com/opencontainers/selinux/go-selinux:go_default_library",
+        ],
+        "@io_bazel_rules_go//go/platform:linux": [
+            "//vendor/github.com/opencontainers/selinux/go-selinux:go_default_library",
+        ],
+        "//conditions:default": [],
+    }),
 )
 
 filegroup(