std: move cmath into sys

Author: joboet

library/std/src/sys/pal/unix/cmath.rs renamed to library/std/src/sys/cmath/builtins.rs

@@ -0,0 +1,9 @@
+cfg_if::cfg_if! {
+    if #[cfg(target_os = "windows")] {
+        mod windows;
+        pub use windows::*;
+    } else {
+        mod builtins;
+        pub use builtins::*;
+    }
+}

library/std/src/sys/cmath/mod.rs

@@ -3,6 +3,7 @@
 /// descriptors.
 mod pal;
 
+pub mod cmath;
 mod personality;
 
 // FIXME(117276): remove this, move feature implementations into individual

library/std/src/sys/pal/windows/cmath.rs renamed to library/std/src/sys/cmath/windows.rs

@@ -19,8 +19,6 @@ use crate::os::raw::c_char;
 
 pub mod alloc;
 pub mod args;
-#[path = "../unix/cmath.rs"]
-pub mod cmath;
 pub mod env;
 pub mod fd;
 pub mod fs;

library/std/src/sys/mod.rs

@@ -13,8 +13,6 @@ mod waitqueue;
 
 pub mod alloc;
 pub mod args;
-#[path = "../unix/cmath.rs"]
-pub mod cmath;
 pub mod env;
 pub mod fd;
 #[path = "../unsupported/fs.rs"]

library/std/src/sys/pal/hermit/mod.rs

@@ -21,8 +21,6 @@ mod itron {
 pub mod alloc;
 #[path = "../unsupported/args.rs"]
 pub mod args;
-#[path = "../unix/cmath.rs"]
-pub mod cmath;
 pub mod env;
 // `error` is `pub(crate)` so that it can be accessed by `itron/error.rs` as
 // `crate::sys::error`

library/std/src/sys/pal/sgx/mod.rs

@@ -11,8 +11,6 @@ pub use self::rand::hashmap_random_keys;
 pub mod alloc;
 #[path = "../unsupported/args.rs"]
 pub mod args;
-#[path = "../unix/cmath.rs"]
-pub mod cmath;
 #[path = "../unsupported/env.rs"]
 pub mod env;
 pub mod locks;

library/std/src/sys/pal/solid/mod.rs

@@ -14,8 +14,6 @@
 
 pub mod alloc;
 pub mod args;
-#[path = "../unix/cmath.rs"]
-pub mod cmath;
 pub mod env;
 #[path = "../unsupported/fs.rs"]
 pub mod fs;

library/std/src/sys/pal/teeos/mod.rs

@@ -11,8 +11,6 @@ pub mod weak;
 pub mod alloc;
 pub mod android;
 pub mod args;
-#[path = "../unix/cmath.rs"]
-pub mod cmath;
 pub mod env;
 pub mod fd;
 pub mod fs;