1 files changed, 55 insertions, 0 deletions
diff --git a/third_party/rust/glean/src/system.rs b/third_party/rust/glean/src/system.rs
new file mode 100644
index 0000000000..5bb7d3c34a
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+++ b/third_party/rust/glean/src/system.rs
@@ -0,0 +1,55 @@
+// Copyright (c) 2017 The Rust Project Developers
+// Licensed under the MIT License.
+// Original license:
+// https://github.com/RustSec/platforms-crate/blob/ebbd3403243067ba3096f31684557285e352b639/LICENSE-MIT
+//
+// Permission is hereby granted, free of charge, to any
+// person obtaining a copy of this software and associated
+// documentation files (the "Software"), to deal in the
+// Software without restriction, including without
+// limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software
+// is furnished to do so, subject to the following
+// conditions:
+//
+// The above copyright notice and this permission notice
+// shall be included in all copies or substantial portions
+// of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+// IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+//! Detect and expose `target_arch` as a constant
+
+#[cfg(target_arch = "aarch64")]
+/// `target_arch` when building this crate: `aarch64`
+pub const ARCH: &str = "aarch64";
+
+#[cfg(target_arch = "arm")]
+/// `target_arch` when building this crate: `arm`
+pub const ARCH: &str = "arm";
+
+#[cfg(target_arch = "x86")]
+/// `target_arch` when building this crate: `x86`
+pub const ARCH: &str = "x86";
+
+#[cfg(target_arch = "x86_64")]
+/// `target_arch` when building this crate: `x86_64`
+pub const ARCH: &str = "x86_64";
+
+#[cfg(not(any(
+    target_arch = "aarch64",
+    target_arch = "arm",
+    target_arch = "x86",
+    target_arch = "x86_64"
+)))]
+/// `target_arch` when building this crate: unknown!
+pub const ARCH: &str = "unknown";