From 95265de0cd75d880e99a8c3635c002fe559a1f25 Mon Sep 17 00:00:00 2001
From: Jason Beach <jason.beach@ssci.com>
Date: Thu, 15 Jul 2021 14:58:30 -0400
Subject: [PATCH] fix g++ warning about returning a reference

---
 CMakeLists.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b43a80..4c613cd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -99,7 +99,8 @@ endif()
 
 target_compile_options(yaml-cpp
   PRIVATE
-    $<${not-msvc}:-Wall -Wextra -Wshadow -Weffc++ -Wno-long-long>
+    $<${not-msvc}:-Wall -Wextra -Wshadow -Wno-long-long>
+    $<$<BOOL:${YAML_CPP_MASTER_PROJECT}>:-Weffc++>
     $<${not-msvc}:-pedantic -pedantic-errors>
 
     $<$<AND:${backport-msvc-runtime},${msvc-rt-mtd-static}>:-MTd>