From 8b25bdb38e4391f42f324fb346e6ac68eb617893 Mon Sep 17 00:00:00 2001
From: Axel Huebl <axel.huebl@plasma.ninja>
Date: Wed, 28 Oct 2020 17:12:42 -0700
Subject: [PATCH] GCC<=4.9: Exceptions

GCC 4.8 and 4.9 support exceptions, but are not detected as such.
This adds exception support for those compilers.

Detection taken from `nlohmann/json`.
---
 include/mpark/config.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/mpark/config.hpp b/include/mpark/config.hpp
index f85ffb55c..5bc9acb95 100644
--- a/include/mpark/config.hpp
+++ b/include/mpark/config.hpp
@@ -64,7 +64,8 @@
 #endif
 
 #if __has_feature(cxx_exceptions) || defined(__cpp_exceptions) || \
-    (defined(_MSC_VER) && defined(_CPPUNWIND))
+    (defined(_MSC_VER) && defined(_CPPUNWIND)) || \
+    defined(__EXCEPTIONS)
 #define MPARK_EXCEPTIONS
 #endif