servo: Add an `Info.plist` on the Mac and opt into integrated graphics.

Discrete GPUs cause power use problems and tend to perform badly with
WebRender.

See:

* https://developer.apple.com/library/mac/qa/qa1734/_index.html

* https://reverse.put.as/2013/05/28/gimmedebugah-how-to-embedded-a-info-plist-into-arbitrary-binaries/

1 files changed, 19 insertions, 0 deletions

diff --git a/components/servo/platform/macos/mod.rs b/components/servo/platform/macos/mod.rs
new file mode 100644
index 00000000000..b980b83f5fb
--- /dev/null
+++ b/components/servo/platform/macos/mod.rs
@@ -0,0 +1,19 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use std::ptr;
+
+pub fn deinit() {
+    // An unfortunate hack to make sure the linker's dead code stripping doesn't strip our
+    // `Info.plist`.
+    unsafe {
+        ptr::read_volatile(&INFO_PLIST[0]);
+    }
+}
+
+#[cfg(target_os = "macos")]
+#[link_section = "__TEXT,__info_plist"]
+#[no_mangle]
+pub static INFO_PLIST: [u8; 619] = *include_bytes!("Info.plist");
+