Build media and live-kit in test-mode on non-MacOS (#6859)

Build media and live-kit in test-mode on non-MacOS (Related to
https://github.com/zed-industries/zed/issues/5391
https://github.com/zed-industries/zed/issues/5395
https://github.com/zed-industries/zed/issues/5394)

This makes it possible to build the media and live-kit crates on
non-MacOS

Release Notes:

- N/A

crates/live_kit_client/Cargo.toml

@@ -42,6 +42,12 @@ nanoid = { version ="0.4", optional = true}
 [target.'cfg(target_os = "macos")'.dependencies]
 core-foundation = "0.9.3"
 
+[target.'cfg(not(target_os = "macos"))'.dependencies]
+async-trait = { workspace = true }
+collections = { path = "../collections", features = ["test-support"] }
+gpui = { path = "../gpui", features = ["test-support"] }
+live_kit_server = { path = "../live_kit_server" }
+
 [dev-dependencies]
 collections = { path = "../collections", features = ["test-support"] }
 gpui = { path = "../gpui", features = ["test-support"] }

crates/live_kit_client/src/live_kit_client.rs

@@ -1,15 +1,15 @@
 use std::sync::Arc;
 
-#[cfg(not(any(test, feature = "test-support")))]
+#[cfg(all(target_os = "macos", not(any(test, feature = "test-support"))))]
 pub mod prod;
 
-#[cfg(not(any(test, feature = "test-support")))]
+#[cfg(all(target_os = "macos", not(any(test, feature = "test-support"))))]
 pub use prod::*;
 
-#[cfg(any(test, feature = "test-support"))]
+#[cfg(any(test, feature = "test-support", not(target_os = "macos")))]
 pub mod test;
 
-#[cfg(any(test, feature = "test-support"))]
+#[cfg(any(test, feature = "test-support", not(target_os = "macos")))]
 pub use test::*;
 
 pub type Sid = String;

crates/live_kit_client/src/test.rs

@@ -5,6 +5,7 @@ use collections::{BTreeMap, HashMap, HashSet};
 use futures::Stream;
 use gpui::BackgroundExecutor;
 use live_kit_server::{proto, token};
+#[cfg(target_os = "macos")]
 use media::core_video::CVImageBuffer;
 use parking_lot::Mutex;
 use postage::watch;
@@ -845,6 +846,7 @@ impl Frame {
         self.height
     }
 
+    #[cfg(target_os = "macos")]
     pub fn image(&self) -> CVImageBuffer {
         unimplemented!("you can't call this in test mode")
     }

crates/media/build.rs

@@ -1,6 +1,7 @@
-use std::{env, path::PathBuf, process::Command};
-
+#[cfg(target_os = "macos")]
 fn main() {
+    use std::{env, path::PathBuf, process::Command};
+
     let sdk_path = String::from_utf8(
         Command::new("xcrun")
             .args(["--sdk", "macosx", "--show-sdk-path"])
@@ -37,3 +38,6 @@ fn main() {
         .write_to_file(out_path.join("bindings.rs"))
         .expect("couldn't write dispatch bindings");
 }
+
+#[cfg(not(target_os = "macos"))]
+fn main() {}

crates/media/src/bindings.rs

@@ -3,6 +3,8 @@
 #![allow(non_snake_case)]
 #![allow(unused)]
 
+#[cfg(target_os = "macos")]
 use objc::*;
 
+#[cfg(target_os = "macos")]
 include!(concat!(env!("OUT_DIR"), "/bindings.rs"));

crates/media/src/media.rs

@@ -3,12 +3,14 @@
 
 mod bindings;
 
+#[cfg(target_os = "macos")]
 use core_foundation::{
     base::{CFTypeID, TCFType},
     declare_TCFType, impl_CFTypeDescription, impl_TCFType,
 };
 use std::ffi::c_void;
 
+#[cfg(target_os = "macos")]
 pub mod io_surface {
     use super::*;
 
@@ -27,6 +29,7 @@ pub mod io_surface {
     }
 }
 
+#[cfg(target_os = "macos")]
 pub mod core_video {
     #![allow(non_snake_case)]
 
@@ -206,6 +209,7 @@ pub mod core_video {
     }
 }
 
+#[cfg(target_os = "macos")]
 pub mod core_media {
     #![allow(non_snake_case)]
 
@@ -413,6 +417,7 @@ pub mod core_media {
     }
 }
 
+#[cfg(target_os = "macos")]
 pub mod video_toolbox {
     #![allow(non_snake_case)]