From c5263e5b1a65d7343e575b227f2d8f536aec7945 Mon Sep 17 00:00:00 2001
From: Christoph Froehlich <christoph.froehlich@ait.ac.at>
Date: Tue, 5 May 2026 17:32:48 +0000
Subject: [PATCH] Make the deprecation warning not fail with -Werror

---
 tl_expected/include/tl_expected/expected.hpp | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/tl_expected/include/tl_expected/expected.hpp b/tl_expected/include/tl_expected/expected.hpp
index 670d791..8760770 100644
--- a/tl_expected/include/tl_expected/expected.hpp
+++ b/tl_expected/include/tl_expected/expected.hpp
@@ -13,14 +13,9 @@
 // <http://creativecommons.org/publicdomain/zero/1.0/>.
 ///
 
-#ifdef _WIN32
+#if defined(_MSC_VER) || defined(__clang__) || defined(__GNUC__)
 #pragma message( \
-  "tl_expected/expected.hpp is deprecated and will be removed by the ROS 2 Lyrical Luth release. \
-  Use <tl/expected.hpp> from libexpected-dev, or <rcpputils/tl_expected/expected.hpp> if the system header is not available.")   // NOLINT
-#else
-#warning \
-  "tl_expected/expected.hpp is deprecated and will be removed by the ROS 2 Lyrical Luth release. \
-  Use <tl/expected.hpp> from libexpected-dev, or <rcpputils/tl_expected/expected.hpp> if the system header is not available."   // NOLINT
+  "tl_expected/expected.hpp is deprecated. Use <tl/expected.hpp> from libexpected-dev, or <rcpputils/tl_expected/expected.hpp> if the system header is not available.") // NOLINT
 #endif
 
 #ifndef TL_EXPECTED_HPP