ksud: fix build

userspace/ksud/src/ksu.rs

@@ -65,6 +65,12 @@ fn set_identity(uid: u32) {
     }
 }
 
+#[cfg(not(unix))]
+pub fn root_shell() -> Result<()> {
+    unimplemented!()
+}
+
+#[cfg(unix)]
 pub fn root_shell() -> Result<()> {
     // we are root now, this was set in kernel!
     let args: Vec<String> = std::env::args().collect();
@@ -161,7 +167,6 @@ pub fn root_shell() -> Result<()> {
     }
 
     let mut uid = 0; // default uid = 0(root)
-    #[cfg(unix)]
     if free_idx < matches.free.len() {
         let name = &matches.free[free_idx];
         uid = unsafe {
@@ -182,7 +187,6 @@ pub fn root_shell() -> Result<()> {
 
     let mut command = &mut Command::new(&shell);
 
-    #[cfg(unix)]
     if !preserve_env {
         // This is actually incorrect, i don't know why.
         // command = command.env_clear();
@@ -204,8 +208,6 @@ pub fn root_shell() -> Result<()> {
         }
     }
 
-    #[cfg(unix)]
-    {
     // escape from the current cgroup and become session leader
     command = command.process_group(0);
     command = unsafe {
@@ -225,7 +227,6 @@ pub fn root_shell() -> Result<()> {
             std::result::Result::Ok(())
         })
     };
-    }
 
     command = command.args(args).arg0(arg0);
     Err(command.exec().into())