From 74ad4410c79b1be7e42eb1822a291639e3c40ec4 Mon Sep 17 00:00:00 2001
From: Martin Dahl <martin.dahl@gmail.com>
Date: Tue, 19 Nov 2024 12:12:33 +0100
Subject: [PATCH] single-':' cargo syntax for compability with rust versions <
 1.77

---
 r2r_common/src/lib.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/r2r_common/src/lib.rs b/r2r_common/src/lib.rs
index 300345f..8133499 100644
--- a/r2r_common/src/lib.rs
+++ b/r2r_common/src/lib.rs
@@ -157,13 +157,13 @@ pub fn print_cargo_used_cfgs(_message_cfgs: &[&str]) {}
 pub fn print_cargo_used_cfgs(message_cfgs: &[&str]) {
     // Declare all supported ros distros as cfg directives for cargo
     for d in SUPPORTED_ROS_DISTROS {
-        println!("cargo::rustc-check-cfg=cfg(r2r__ros__distro__{d})");
+        println!("cargo:rustc-check-cfg=cfg(r2r__ros__distro__{d})");
     }
 
     // additionally we have conditional tests and features based on some
     // optional ros message packages.
     for c in message_cfgs {
-        println!("cargo::rustc-check-cfg=cfg({c})");
+        println!("cargo:rustc-check-cfg=cfg({c})");
     }
 }