From 223d8c5fe38751664d360c7ee4a50690936bca10 Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Sat, 13 Jan 2024 17:14:16 +0000
Subject: [PATCH] serve dlna: now only supported on go1.21 or later

This is due to use of go1.21 only constructs in github.com/anacrolix/log
---
 cmd/serve/dlna/cds.go              | 2 ++
 cmd/serve/dlna/cms.go              | 2 ++
 cmd/serve/dlna/dlna.go             | 2 ++
 cmd/serve/dlna/dlna_test.go        | 2 ++
 cmd/serve/dlna/dlna_unsupported.go | 9 +++++++++
 cmd/serve/dlna/dlna_util.go        | 2 ++
 cmd/serve/dlna/mrrs.go             | 2 ++
 7 files changed, 21 insertions(+)
 create mode 100644 cmd/serve/dlna/dlna_unsupported.go

diff --git a/cmd/serve/dlna/cds.go b/cmd/serve/dlna/cds.go
index 72fcceeab..59572f926 100644
--- a/cmd/serve/dlna/cds.go
+++ b/cmd/serve/dlna/cds.go
@@ -1,3 +1,5 @@
+//go:build go1.21
+
 package dlna
 
 import (
diff --git a/cmd/serve/dlna/cms.go b/cmd/serve/dlna/cms.go
index 1edce9c36..eb2bbc9b0 100644
--- a/cmd/serve/dlna/cms.go
+++ b/cmd/serve/dlna/cms.go
@@ -1,3 +1,5 @@
+//go:build go1.21
+
 package dlna
 
 import (
diff --git a/cmd/serve/dlna/dlna.go b/cmd/serve/dlna/dlna.go
index 1a2a77914..7739c910f 100644
--- a/cmd/serve/dlna/dlna.go
+++ b/cmd/serve/dlna/dlna.go
@@ -1,3 +1,5 @@
+//go:build go1.21
+
 // Package dlna provides DLNA server.
 package dlna
 
diff --git a/cmd/serve/dlna/dlna_test.go b/cmd/serve/dlna/dlna_test.go
index 389e3ba3c..d6f7c42e4 100644
--- a/cmd/serve/dlna/dlna_test.go
+++ b/cmd/serve/dlna/dlna_test.go
@@ -1,3 +1,5 @@
+//go:build go1.21
+
 package dlna
 
 import (
diff --git a/cmd/serve/dlna/dlna_unsupported.go b/cmd/serve/dlna/dlna_unsupported.go
new file mode 100644
index 000000000..d12f61e6f
--- /dev/null
+++ b/cmd/serve/dlna/dlna_unsupported.go
@@ -0,0 +1,9 @@
+//go:build !go1.21
+
+// Package dlna is unsupported on this platform
+package dlna
+
+import "github.com/spf13/cobra"
+
+// Command definition is nil to show not implemented
+var Command *cobra.Command
diff --git a/cmd/serve/dlna/dlna_util.go b/cmd/serve/dlna/dlna_util.go
index d54dfea5b..0347296e2 100644
--- a/cmd/serve/dlna/dlna_util.go
+++ b/cmd/serve/dlna/dlna_util.go
@@ -1,3 +1,5 @@
+//go:build go1.21
+
 package dlna
 
 import (
diff --git a/cmd/serve/dlna/mrrs.go b/cmd/serve/dlna/mrrs.go
index 70061bd71..0cc72d8c7 100644
--- a/cmd/serve/dlna/mrrs.go
+++ b/cmd/serve/dlna/mrrs.go
@@ -1,3 +1,5 @@
+//go:build go1.21
+
 package dlna
 
 import (