From 13316dd61ac35ca410863a0121b4267edd67fac0 Mon Sep 17 00:00:00 2001
From: Lukas Nellen <lukas@nucleares.unam.mx>
Date: Mon, 14 Jan 2019 21:00:44 -0600
Subject: [PATCH] Portability: use only C++, no compiler (e.g. GNU) extensions

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e0455521c..1288cd3c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,7 @@ set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/CMakeModules)
 include (CorsikaUtilities) # a few cmake function
 
 set (CMAKE_CXX_STANDARD 17)
+set (CMAKE_CXX_EXTENSIONS OFF)
 enable_testing ()
 set (CTEST_OUTPUT_ON_FAILURE 1)
 
-- 
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