From b9aaa507fc49680d037fd84c043f747a395bce04 Mon Sep 17 00:00:00 2001
From: Eric Fiselier <eric@efcs.ca>
Date: Thu, 29 Dec 2016 15:40:33 -0700
Subject: [PATCH] Don't export the -std=c++11 flag from the fmt target

---
 fmt/CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fmt/CMakeLists.txt b/fmt/CMakeLists.txt
index 9e491f93..a57bfcdd 100644
--- a/fmt/CMakeLists.txt
+++ b/fmt/CMakeLists.txt
@@ -16,7 +16,9 @@ if (FMT_CPPFORMAT)
 endif ()
 
 # Starting with cmake 3.1 the CXX_STANDARD property can be used instead.
-target_compile_options(fmt PUBLIC ${CPP11_FLAG})
+# Note: Don't make -std=c++11 public or interface, since it breaks projects
+# that use C++14.
+target_compile_options(fmt PRIVATE ${CPP11_FLAG})
 if (FMT_PEDANTIC)
   target_compile_options(fmt PRIVATE ${PEDANTIC_COMPILE_FLAGS})
 endif ()