Auto merge of #23468 - servo:jdm-patch-52, r=asajeffrey

Add Windows arm64 build.

Depends on:
* [x] https://github.com/servo/mozjs/pull/184
* [x] https://github.com/servo/rust-mozjs/pull/463
* [ ] <strike>https://github.com/servo/ipc-channel/pull/232</strike>
* [x] https://github.com/alexcrichton/cmake-rs/pull/82
* [x] https://github.com/servo/rust-offscreen-rendering-context/pull/136
* [x] https://github.com/servo/mozangle/pull/21

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components/background_hang_monitor/background_hang_monitor.rs

@@ -51,7 +51,10 @@ impl BackgroundHangMonitorRegister for HangMonitorRegister {
     ) -> Box<BackgroundHangMonitor> {
         let bhm_chan = BackgroundHangMonitorChan::new(self.sender.clone(), component_id);
 
-        #[cfg(target_os = "windows")]
+        #[cfg(all(
+            target_os = "windows",
+            any(target_arch = "x86_64", target_arch = "x86")
+        ))]
         let sampler = crate::sampler_windows::WindowsSampler::new();
         #[cfg(target_os = "macos")]
         let sampler = crate::sampler_mac::MacOsSampler::new();

components/canvas/Cargo.toml

@@ -15,6 +15,7 @@ azure_backend = ["azure"]
 default = ["azure_backend"]
 webgl_backtrace = ["canvas_traits/webgl_backtrace"]
 raqote_backend = ["raqote"]
+no_wgl = ["offscreen_gl_context/no_wgl"]
 
 [dependencies]
 azure = {git = "https://github.com/servo/rust-azure", optional = true}

components/constellation/Cargo.toml

@@ -13,6 +13,7 @@ path = "lib.rs"
 [features]
 azure_backend = ["canvas/azure_backend"]
 raqote_backend = ["canvas/raqote_backend"]
+no_wgl = ["canvas/no_wgl"]
 
 [dependencies]
 background_hang_monitor = { path = "../background_hang_monitor"}

components/constellation/pipeline.rs

@@ -599,7 +599,11 @@ impl UnprivilegedPipelineContent {
         }
     }
 
-    #[cfg(any(target_os = "android", target_arch = "arm", target_arch = "aarch64"))]
+    #[cfg(any(
+        target_os = "android",
+        target_arch = "arm",
+        all(target_arch = "aarch64", not(target_os = "windows"))
+    ))]
     pub fn spawn_multiprocess(self) -> Result<(), Error> {
         use ipc_channel::ipc::IpcOneShotServer;
         // Note that this function can panic, due to process creation,

components/script/Cargo.toml

@@ -65,7 +65,7 @@ indexmap = "1.0.2"
 ipc-channel = "0.11"
 itertools = "0.8"
 jstraceable_derive = {path = "../jstraceable_derive"}
-js = {package = "mozjs", git = "https://github.com/servo/rust-mozjs", rev = "357d1db91e4e49c3f148fe05fdfae5f8f0834ca8"}
+js = {package = "mozjs", git = "https://github.com/servo/rust-mozjs"}
 keyboard-types = "0.4.4"
 lazy_static = "1"
 libc = "0.2"

components/servo/Cargo.toml

@@ -20,6 +20,7 @@ googlevr = ["webvr/googlevr"]
 js_backtrace = ["script/js_backtrace"]
 max_log_level = ["log/release_max_level_info"]
 native-bluetooth = ["bluetooth/native-bluetooth"]
+no_wgl = ["canvas/no_wgl"]
 raqote_backend = ["canvas/raqote_backend"]
 webrender_debugger = ["webrender/debugger"]
 no_static_freetype = ["webrender/no_static_freetype"]