From 59f87dcb375b8bb8054cd06396dcf6a1f7018674 Mon Sep 17 00:00:00 2001
From: Sasha Hilton <sashahilton00@gmail.com>
Date: Wed, 10 Feb 2021 01:44:05 +0000
Subject: [PATCH] Amend conditional compilation to fail on unsupported systems

---
 playback/src/audio_backend/mod.rs   | 11 ++++++++++-
 playback/src/audio_backend/rodio.rs | 15 ++++++++++++---
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/playback/src/audio_backend/mod.rs b/playback/src/audio_backend/mod.rs
index a656bcd2..b9db29fc 100644
--- a/playback/src/audio_backend/mod.rs
+++ b/playback/src/audio_backend/mod.rs
@@ -34,7 +34,16 @@ mod jackaudio;
 #[cfg(feature = "jackaudio-backend")]
 use self::jackaudio::JackSink;
 
-#[cfg(feature = "rodiojack-backend")]
+#[cfg(all(
+    feature = "rodiojack-backend",
+    not(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd"))
+))]
+compile_error!("Rodio JACK backend is currently only supported on linux.");
+
+#[cfg(all(
+    feature = "rodiojack-backend",
+    any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd")
+))]
 use self::rodio::JackRodioSink;
 
 #[cfg(feature = "gstreamer-backend")]
diff --git a/playback/src/audio_backend/rodio.rs b/playback/src/audio_backend/rodio.rs
index 660992e2..866e8a8c 100644
--- a/playback/src/audio_backend/rodio.rs
+++ b/playback/src/audio_backend/rodio.rs
@@ -12,7 +12,10 @@ pub struct RodioSink {
     stream: rodio::OutputStream,
 }
 
-#[cfg(feature = "rodiojack-backend")]
+#[cfg(all(
+    feature = "rodiojack-backend",
+    any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd")
+))]
 pub struct JackRodioSink {
     jackrodio_sink: rodio::Sink,
     // We have to keep hold of this object, or the Sink can't play...
@@ -117,7 +120,10 @@ impl Open for RodioSink {
     }
 }
 
-#[cfg(feature = "rodiojack-backend")]
+#[cfg(all(
+    feature = "rodiojack-backend",
+    any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd")
+))]
 impl Open for JackRodioSink {
     fn open(device: Option<String>) -> JackRodioSink {
         let host = cpal::host_from_id(
@@ -173,7 +179,10 @@ impl Sink for RodioSink {
     }
 }
 
-#[cfg(feature = "rodiojack-backend")]
+#[cfg(all(
+    feature = "rodiojack-backend",
+    any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd")
+))]
 impl Sink for JackRodioSink {
     fn start(&mut self) -> io::Result<()> {
         // More similar to an "unpause" than "play". Doesn't undo "stop".