From e2ac615cb20adddd588aa73733ce38fd0deef609 Mon Sep 17 00:00:00 2001
From: Nicholas Sharp <nsharp@cs.cmu.edu>
Date: Wed, 21 Jul 2021 14:57:49 -0400
Subject: [PATCH] make C++11 requirement public, so it propagates; avoid
 extensions

---
 src/CMakeLists.txt | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index fe28a10f..962c357a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -147,8 +147,11 @@ target_include_directories(geometry-central PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/
 target_link_libraries(geometry-central PUBLIC ${GC_DEP_LIBS})
 
 # Set compiler properties for the library
-set_property(TARGET geometry-central PROPERTY CXX_STANDARD 11)
-set_property(TARGET geometry-central PROPERTY CXX_STANDARD_REQUIRED TRUE)
+target_compile_features(geometry-central PUBLIC cxx_std_11)
+set_target_properties(geometry-central PROPERTIES
+  CXX_STANDARD_REQUIRED TRUE
+  CXX_EXTENSIONS OFF
+)
 target_compile_definitions(geometry-central PUBLIC NOMINMAX _USE_MATH_DEFINES)
 
 # Define CMAKE flag used in these sources (but should be kept OUT of headers)