ls: add selinux/smack cfg alias

Author: xtqqczze

Cargo.lock

@@ -20,6 +20,9 @@ workspace = true
 path = "src/ls.rs"
 doctest = false
 
+[build-dependencies]
+cfg_aliases.workspace = true
+
 [dependencies]
 ansi-width = { workspace = true }
 clap = { workspace = true, features = ["env"] }

src/uu/ls/Cargo.toml

@@ -0,0 +1,13 @@
+// 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! {
+        selinux: { all(feature = "selinux", any(target_os = "android", target_os = "linux")) },
+        smack: { all(feature = "smack", target_os = "linux") },
+    }
+}

src/uu/ls/build.rs

@@ -1604,7 +1604,7 @@ fn get_security_context<'a>(
         }
     }
 
-    #[cfg(all(feature = "selinux", any(target_os = "linux", target_os = "android")))]
+    #[cfg(selinux)]
     if config.selinux_supported {
         use uucore::show_warning;
 
@@ -1646,7 +1646,7 @@ fn get_security_context<'a>(
         }
     }
 
-    #[cfg(all(feature = "smack", target_os = "linux"))]
+    #[cfg(smack)]
     if config.smack_supported {
         // For SMACK, use the path to get the label
         // If must_dereference is true, we follow the symlink