From 66ac0df61b99d87a3a3458683f32f788deaf2b4f Mon Sep 17 00:00:00 2001
From: Nicolas Morales <n.morales.0@protonmail.com>
Date: Tue, 11 Jan 2022 11:40:50 +0100
Subject: [PATCH] #2861: Check for macOS systems before adding "--no-undefined"
 to linker flags as it is not compatible with the default linker.

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f715ac1e..c8a5a36b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -163,7 +163,7 @@ if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
         add_compile_options(-Werror=deprecated-copy)
     endif()
 
-    if(NOT CMAKE_VERSION VERSION_LESS "3.13")
+    if(NOT CMAKE_VERSION VERSION_LESS "3.13" AND NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
         # Error if there's symbols that are not found at link time.
         # add_link_options() was added in CMake 3.13 - if using an earlier
         # version don't set this - it should be caught by presubmits anyway.