1 files changed, 56 insertions, 0 deletions
diff --git a/library/stdarch/crates/std_detect/src/detect/arch/mod.rs b/library/stdarch/crates/std_detect/src/detect/arch/mod.rs
new file mode 100644
index 000000000..81a1f23e8
--- /dev/null
+++ b/library/stdarch/crates/std_detect/src/detect/arch/mod.rs
@@ -0,0 +1,56 @@
+#![allow(dead_code)]
+
+use cfg_if::cfg_if;
+
+// Export the macros for all supported architectures.
+#[macro_use]
+mod x86;
+#[macro_use]
+mod arm;
+#[macro_use]
+mod aarch64;
+#[macro_use]
+mod riscv;
+#[macro_use]
+mod powerpc;
+#[macro_use]
+mod powerpc64;
+#[macro_use]
+mod mips;
+#[macro_use]
+mod mips64;
+
+cfg_if! {
+    if #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] {
+        pub use x86::*;
+    } else if #[cfg(target_arch = "arm")] {
+        pub use arm::*;
+    } else if #[cfg(target_arch = "aarch64")] {
+        pub use aarch64::*;
+    } else if #[cfg(any(target_arch = "riscv32", target_arch = "riscv64"))] {
+        pub use riscv::*;
+    } else if #[cfg(target_arch = "powerpc")] {
+        pub use powerpc::*;
+    } else if #[cfg(target_arch = "powerpc64")] {
+        pub use powerpc64::*;
+    } else if #[cfg(target_arch = "mips")] {
+        pub use mips::*;
+    } else if #[cfg(target_arch = "mips64")] {
+        pub use mips64::*;
+    } else {
+        // Unimplemented architecture:
+        #[doc(hidden)]
+        pub(crate) enum Feature {
+            Null
+        }
+        #[doc(hidden)]
+        pub mod __is_feature_detected {}
+
+        impl Feature {
+            #[doc(hidden)]
+            pub(crate) fn from_str(_s: &str) -> Result<Feature, ()> { Err(()) }
+            #[doc(hidden)]
+            pub(crate) fn to_str(self) -> &'static str { "" }
+        }
+    }
+}