Rename cfg attribute to ros_distro

Author: nnmm

rclrs/build.rs

@@ -17,8 +17,8 @@ fn get_env_var_or_abort(env_var: &'static str) -> String {
 }
 
 fn main() {
-    let distro = get_env_var_or_abort(ROS_DISTRO);
-    println!("cargo:rustc-cfg=distro=\"{distro}\"");
+    let ros_distro = get_env_var_or_abort(ROS_DISTRO);
+    println!("cargo:rustc-cfg=ros_distro=\"{ros_distro}\"");
 
     let mut builder = bindgen::Builder::default()
         .header("src/rcl_wrapper.h")

rclrs/src/lib.rs

@@ -55,10 +55,10 @@ pub fn spin_once(node: &Node, timeout: Option<Duration>) -> Result<(), RclReturn
 /// This function additionally checks that the context is still valid.
 pub fn spin(node: &Node) -> Result<(), RclReturnCode> {
     // The context_is_valid functions exists only to abstract away ROS distro differences
-    #[cfg(distro = "foxy")]
+    #[cfg(ros_distro = "foxy")]
     // SAFETY: No preconditions for this function.
     let context_is_valid = || unsafe { rcl_context_is_valid(&mut *node.context.lock()) };
-    #[cfg(not(distro = "foxy"))]
+    #[cfg(not(ros_distro = "foxy"))]
     // SAFETY: No preconditions for this function.
     let context_is_valid = || unsafe { rcl_context_is_valid(&*node.context.lock()) };