From b61c7318bcca5c88ce8d325aeab00de888a611c4 Mon Sep 17 00:00:00 2001
From: Heiko Thiel <heiko.thiel@hpi.de>
Date: Thu, 4 Jul 2019 15:23:27 +0200
Subject: [PATCH] Export C++11 as required compile feature

---
 CMakeLists.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31b17e8..ee278cd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,6 +35,14 @@ set_target_properties(${PROJECT_NAME} PROPERTIES
 	SOVERSION 1
 )
 
+if(CMAKE_VERSION VERSION_LESS 3.8)
+	# CMake did not have cxx_std_11 compile feature prior to 3.8
+	# We use cxx_auto_type as a proxy because this feature is a part of c++11 standard
+	target_compile_features(${PROJECT_NAME} PUBLIC cxx_auto_type)
+else()
+	target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_11)
+endif()
+
 target_include_directories(${PROJECT_NAME} PUBLIC
 	$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
 	$<INSTALL_INTERFACE:include>