🧑‍💻 Warn about language features

2025-11-23 13:27:17 -06:00
parent 8dee0c1281
commit ccc69582ef
1 changed files with 4 additions and 0 deletions
--- 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 {