From a292fc963175ba979ae3e93a403b763ccef86a4e Mon Sep 17 00:00:00 2001
From: "mergify[bot]" <37929162+mergify[bot]@users.noreply.github.com>
Date: Mon, 17 Jul 2023 09:50:58 +0200
Subject: [PATCH] Don't link dl library when not needed (#28) (#29)
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(cherry picked from commit 55de2e1fe0ff3da9b882dfee6a54516e54bd58a9)

Co-authored-by: Błażej Sowa <bsowa123@gmail.com>
---
 CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7b5b76ae..9cd0b4af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -142,7 +142,9 @@ configure_file(
     "${PROJECT_BINARY_DIR}/include/rcutils/configuration_flags.h"
 )
 
-target_link_libraries(${PROJECT_NAME} ${CMAKE_DL_LIBS})
+if(NOT RCUTILS_NO_FILESYSTEM)
+  target_link_libraries(${PROJECT_NAME} ${CMAKE_DL_LIBS})
+endif()
 
 # Needed if pthread is used for thread local storage.
 if(IOS AND IOS_SDK_VERSION LESS 10.0)