From 6fedae386d8f77a09e24d2020d296ddfdc3fb08a Mon Sep 17 00:00:00 2001
From: Artem Pavlenko <artem@mapnik.org>
Date: Wed, 3 Mar 2021 11:13:42 +0000
Subject: [PATCH] add c++20

---
 SConstruct | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SConstruct b/SConstruct
index e357bd4aa..9c329091f 100644
--- a/SConstruct
+++ b/SConstruct
@@ -1219,7 +1219,7 @@ int main()
     context.Result(ret)
     return ret
 
-__cplusplus = {'14':'201402L', '17':'201703L'}
+__cplusplus = {'14':'201402L', '17':'201703L', '20':'202002L'}
 
 def supports_cxx_std (context, silent=False):
     cplusplus_string = __cplusplus[env['CXX_STD']]