From 51fef79a92a219b418e94fe26b0a975f79d0c18c Mon Sep 17 00:00:00 2001
From: Rian Quinn <rianquinn@gmail.com>
Date: Thu, 9 Mar 2017 09:16:24 -0700
Subject: [PATCH] Update gsl

---
 include/gsl/gsl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/gsl/gsl b/include/gsl/gsl
index e6e6fdb..49c8f5e 100644
--- a/include/gsl/gsl
+++ b/include/gsl/gsl
@@ -19,7 +19,9 @@
 #ifndef GSL_GSL_H
 #define GSL_GSL_H
 
+#if defined(__clang__) || defined(__GNUC__)
 #pragma GCC system_header
+#endif
 
 #include <gsl/gsl_assert>  // Ensures/Expects
 #include <gsl/gsl_util>    // finally()/narrow()/narrow_cast()...