From 005d119caee2f544dba080ec7f77035df8408cce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Branimir=20Karad=C5=BEi=C4=87?= <branimirkaradzic@gmail.com>
Date: Fri, 26 Feb 2021 18:48:43 -0800
Subject: [PATCH] Fixed MinGW warning.

---
 src/renderer_d3d12.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/renderer_d3d12.h b/src/renderer_d3d12.h
index 803fcda30..9f02b03d0 100644
--- a/src/renderer_d3d12.h
+++ b/src/renderer_d3d12.h
@@ -20,13 +20,14 @@
 
 #if defined(__MINGW32__) // BK - temp workaround for MinGW until I nuke d3dx12 usage.
 extern "C++" {
-#	if __cpp_constexpr >= 200704L && __cpp_inline_variables >= 201606L
+#	if defined(__cpp_constexpr)        && __cpp_constexpr        >= 200704L \
+	&& defined(__cpp_inline_variables) && __cpp_inline_variables >= 201606L
 	__extension__ template<typename Ty>
 	constexpr const GUID& __mingw_uuidof();
 #	else
 	__extension__ template<typename Ty>
 	const GUID& __mingw_uuidof();
-#	endif
+#	endif // __cpp_*
 
 	template<>
 	const GUID& __mingw_uuidof<ID3D12Device>()