cp: add acl cfg alias

Author: xtqqczze

Cargo.lock

@@ -17,6 +17,9 @@ workspace = true
 [lib]
 path = "src/cp.rs"
 
+[build-dependencies]
+cfg_aliases = "0.2.1"
+
 [dependencies]
 clap = { workspace = true }
 filetime = { workspace = true }

src/uu/cp/Cargo.toml

@@ -0,0 +1,12 @@
+// This file is part of the uutils coreutils package.
+//
+// For the full copyright and license information, please view the LICENSE
+// file that was distributed with this source code.
+
+use cfg_aliases::cfg_aliases;
+
+pub fn main() {
+    cfg_aliases! {
+        acl: { feature = "feat_acl" },
+    }
+}

src/uu/cp/build.rs

@@ -1769,7 +1769,7 @@ pub(crate) fn copy_attributes(
             fs::set_permissions(dest, source_metadata.permissions())
                 .map_err(|e| CpError::IoErrContext(e, context.to_owned()))?;
             // FIXME: Implement this for windows as well
-            #[cfg(feature = "feat_acl")]
+            #[cfg(acl)]
             exacl::getfacl(source, None)
                 .and_then(|acl| exacl::setfacl(&[dest], &acl, None))
                 .map_err(|err| CpError::Error(err.to_string()))?;