Using cfg flag to detect usage of portable_atomic

Author: BjornTheProgrammer

Cargo.toml

@@ -45,8 +45,6 @@ matrixmultiply = { version = "0.3.2", default-features = false, features=["cgemm
 serde = { version = "1.0", optional = true, default-features = false, features = ["alloc"] }
 rawpointer = { version = "0.2" }
 
-portable-atomic = { version = "1.6.0", optional = true }
-portable-atomic-util = { version = "0.2.0", features = [ "alloc" ], optional = true }
 
 [dev-dependencies]
 defmac = "0.2"
@@ -73,11 +71,24 @@ docs = ["approx", "serde", "rayon"]
 std = ["num-traits/std", "matrixmultiply/std"]
 rayon = ["rayon_", "std"]
 
-portable-atomic = ["dep:portable-atomic", "dep:portable-atomic-util"]
 critical-section = ["portable-atomic/critical-section"]
 
 matrixmultiply-threading = ["matrixmultiply/threading"]
 
+[target.'cfg(not(target_has_atomic = "ptr"))'.dependencies]
+portable-atomic = { version = "1.6.0" }
+portable-atomic-util = { version = "0.2.0", features = [ "alloc" ] }
+
+# [target.'cfg(unix)'.dependencies]
+# openssl = "1.0.1"
+
+# [target.'cfg(target_arch = "x86")'.dependencies]
+# native-i686 = { path = "native/i686" }
+
+# [target.'cfg(target_arch = "x86_64")'.dependencies]
+# native-x86_64 = { path = "native/x86_64" }
+
+
 [profile.bench]
 debug = true
 [profile.dev.package.numeric-tests]

src/data_traits.rs

@@ -11,10 +11,10 @@
 #[allow(unused_imports)]
 use rawpointer::PointerExt;
 
-#[cfg(not(feature = "portable-atomic"))]
+#[cfg(target_has_atomic = "ptr")]
 use alloc::sync::Arc;
 
-#[cfg(feature = "portable-atomic")]
+#[cfg(not(target_has_atomic = "ptr"))]
 use portable_atomic_util::Arc;
 
 #[cfg(not(feature = "std"))]

src/impl_arc_array.rs

@@ -8,10 +8,10 @@
 
 use crate::imp_prelude::*;
 
-#[cfg(not(feature = "portable-atomic"))]
+#[cfg(target_has_atomic = "ptr")]
 use alloc::sync::Arc;
 
-#[cfg(feature = "portable-atomic")]
+#[cfg(not(target_has_atomic = "ptr"))]
 use portable_atomic_util::Arc;
 
 /// Methods specific to `ArcArray`.

src/lib.rs

@@ -125,10 +125,10 @@ extern crate cblas_sys;
 #[cfg(feature = "docs")]
 pub mod doc;
 
-#[cfg(not(feature = "portable-atomic"))]
+#[cfg(target_has_atomic = "ptr")]
 use alloc::sync::Arc;
 
-#[cfg(feature = "portable-atomic")]
+#[cfg(not(target_has_atomic = "ptr"))]
 use portable_atomic_util::Arc;
 
 use std::marker::PhantomData;