From 05e7336b2160739915be0e2c4a81710806fd2f9c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20R=C3=B6hling?= <timo.roehling@fkie.fraunhofer.de>
Date: Sat, 17 Sep 2022 21:14:01 +0200
Subject: [PATCH] Export -latomic even if BUILD_TESTING is disabled
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Signed-off-by: Timo Röhling <roehling@debian.org>
---
 CMakeLists.txt | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ee7a2c69..b08107af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -132,6 +132,14 @@ endif()
 
 target_link_libraries(${PROJECT_NAME} ${CMAKE_DL_LIBS})
 
+check_library_exists(atomic __atomic_load_8 "" HAVE_LIBATOMICS)
+
+if(HAVE_LIBATOMICS AND NOT WIN32)
+  # Exporting link flag since it won't pass ament_export_libraries() existance check
+  ament_export_link_flags("-latomic")
+  target_link_libraries(${PROJECT_NAME} atomic)
+endif()
+
 # Needed if pthread is used for thread local storage.
 if(IOS AND IOS_SDK_VERSION LESS 10.0)
   ament_export_libraries(pthread)
@@ -157,13 +165,6 @@ if(BUILD_TESTING)
 
   find_package(launch_testing_ament_cmake REQUIRED)
 
-  check_library_exists(atomic __atomic_load_8 "" HAVE_LIBATOMICS)
-
-  if(HAVE_LIBATOMICS AND NOT WIN32)
-    # Exporting link flag since it won't pass ament_export_libraries() existance check
-    ament_export_link_flags("-latomic")
-  endif()
-
   if(ament_cmake_cppcheck_FOUND)
     ament_cppcheck(
       TESTNAME "cppcheck_logging_macros"