mkdir: add selinux/smack cfg alias

Author: xtqqczze

Cargo.lock

@@ -19,6 +19,9 @@ path = "src/mkdir.rs"
 test = false
 doctest = false
 
+[build-dependencies]
+cfg_aliases.workspace = true
+
 [dependencies]
 clap = { workspace = true }
 uucore = { workspace = true, features = ["fs", "mode", "fsxattr"] }

src/uu/mkdir/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/mkdir/build.rs

@@ -331,7 +331,7 @@ fn create_single_dir(path: &Path, is_parent: bool, config: &Config) -> UResult<(
             }
 
             // Apply SELinux context if requested
-            #[cfg(all(feature = "selinux", any(target_os = "android", target_os = "linux")))]
+            #[cfg(selinux)]
             if config.set_security_context && uucore::selinux::is_selinux_enabled() {
                 if let Err(e) = uucore::selinux::set_selinux_security_context(path, config.context)
                 {
@@ -341,7 +341,7 @@ fn create_single_dir(path: &Path, is_parent: bool, config: &Config) -> UResult<(
             }
 
             // Apply SMACK context if requested
-            #[cfg(all(feature = "smack", target_os = "linux"))]
+            #[cfg(smack)]
             if config.set_security_context {
                 uucore::smack::set_smack_label_and_cleanup(path, config.context, |p| {
                     std::fs::remove_dir(p)