From ccc69582efb99cc4a8e7a8b77aade7906395d4ce Mon Sep 17 00:00:00 2001
From: Scott Lahteine <thinkyhead@users.noreply.github.com>
Date: Sun, 23 Nov 2025 13:27:17 -0600
Subject: [PATCH] =?UTF-8?q?=F0=9F=A7=91=E2=80=8D=F0=9F=92=BB=20Warn=20abou?=
 =?UTF-8?q?t=20language=20features?=
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---
 Marlin/src/inc/Warnings.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Marlin/src/inc/Warnings.cpp b/Marlin/src/inc/Warnings.cpp
index 6da36d832f..e15d053b4e 100644
--- a/Marlin/src/inc/Warnings.cpp
+++ b/Marlin/src/inc/Warnings.cpp
@@ -31,6 +31,10 @@
 // Warnings! Located here so they will appear just once in the build output.
 //
 
+#if __cplusplus < 201703L
+  #warning "This build does not have access to >= c++17 features."
+#endif
+
 // static_warning works like a static_assert but only emits a (messy) warning.
 #ifdef __GNUC__
   namespace mfwarn {