From 5723da71dc859de6dd3b0330bd7ae815ebe9d3ab Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Thu, 20 Oct 2022 16:01:15 +0200
Subject: [PATCH] Utility: more strict CONSTEXPR14 macro

Should fix compile errors with partial implementations of C++14 such as
GCC 4.8.
---
 src/Corrade/Utility/Macros.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Corrade/Utility/Macros.h b/src/Corrade/Utility/Macros.h
index 07252a800..67790db77 100644
--- a/src/Corrade/Utility/Macros.h
+++ b/src/Corrade/Utility/Macros.h
@@ -394,7 +394,8 @@ Expands to @cpp constexpr @ce on C++14 and newer, empty on C++11. Useful for
 selectively marking functions that make use of C++14 relaxed constexpr rules.
 @see @ref CORRADE_CXX_STANDARD
 */
-#if CORRADE_CXX_STANDARD >= 201402
+#if defined __cpp_constexpr && __cpp_constexpr >= 201304 || \
+    defined CORRADE_TARGET_MSVC && _MSC_VER >= 1910 && CORRADE_CXX_STANDARD >= 201402L
 #define CORRADE_CONSTEXPR14 constexpr
 #else
 #define CORRADE_CONSTEXPR14