From c23e2eb1f68a0cc900d9d3181c99b9dca9b6ef0d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20=C5=A0koudlil?= <skoudmar@fel.cvut.cz>
Date: Fri, 22 Mar 2024 18:36:19 +0100
Subject: [PATCH] Add panic to sim time examples

---
 r2r/examples/sim_time_publisher.rs | 1 +
 r2r/examples/timer_sim_time.rs     | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/r2r/examples/sim_time_publisher.rs b/r2r/examples/sim_time_publisher.rs
index 3e6ec5d..880c92a 100644
--- a/r2r/examples/sim_time_publisher.rs
+++ b/r2r/examples/sim_time_publisher.rs
@@ -32,4 +32,5 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
 #[cfg(not(r2r__rosgraph_msgs__msg__Clock))]
 fn main() {
+    panic!("Sim_time_publisher example is not compiled with 'rosgraph_msgs'.");
 }
diff --git a/r2r/examples/timer_sim_time.rs b/r2r/examples/timer_sim_time.rs
index 735d294..5dde07c 100644
--- a/r2r/examples/timer_sim_time.rs
+++ b/r2r/examples/timer_sim_time.rs
@@ -33,6 +33,7 @@ async fn timer_task(
 
 /// Publication of time can be done either using the example `sim_time_publisher`
 /// or with `ros2 bag play --clock <clock_frequency> <the_bag>`
+#[cfg(r2r__rosgraph_msgs__msg__Clock)]
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     let ctx = r2r::Context::create()?;
     let mut node = r2r::Node::create(ctx, "testnode", "")?;
@@ -80,3 +81,8 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     Ok(())
 }
+
+#[cfg(not(r2r__rosgraph_msgs__msg__Clock))]
+fn main() {
+    panic!("Timer_sim_time example is not compiled with 'rosgraph_msgs'.");
+}