From ce73f57309744a3b76086f8aa53e61b0b30d62bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20=C5=81oskot?= <mateusz@loskot.net>
Date: Fri, 22 Jul 2022 17:15:04 +0200
Subject: [PATCH] build: Add cxx14 requirements to root Jamfile (#1043)

The library requires C++14 so it should not even be tried
to build with any older C++ versions, i.e. `cxxstd` < 14.
It means, `b2 cxxstd=11 libs/geometry/test`  will build nothing.

Related to discussion in #1012
---
 Jamfile | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Jamfile b/Jamfile
index 2b9f2048c..45c27ab1d 100644
--- a/Jamfile
+++ b/Jamfile
@@ -2,15 +2,21 @@
 #
 # Copyright (c) 2007-2013 Barend Gehrels, Amsterdam, the Netherlands.
 # Copyright (c) 2008-2013 Bruno Lalande, Paris, France.
-# Copyright (c) 2009-2013 Mateusz Loskot, London, UK.
+# Copyright (c) 2009-2022 Mateusz Loskot, London, UK.
 #
 # Use, modification and distribution is subject to the Boost Software License,
 # Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
 # http://www.boost.org/LICENSE_1_0.txt)
 
+import ../../config/checks/config : requires ;
+
 project boost-geometry
     :
     requirements
+        [ requires
+            cxx14_constexpr
+            cxx14_return_type_deduction
+        ]
         <toolset>msvc:<asynch-exceptions>on
     ;