diff --git a/include/wx/defs.h b/include/wx/defs.h
index 804e828b74..cb1d495b80 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -662,6 +662,9 @@ typedef short int WXTYPE;
         wxGCC_WARNING_SUPPRESS(float-equal)
         inline bool wxIsSameDouble(double x, double y) { return x == y; }
         wxGCC_WARNING_RESTORE(float-equal)
+
+   Note that these macros apply to both gcc and clang, even though they only
+   have "GCC" in their names.
  */
 #if defined(__clang__) || wxCHECK_GCC_VERSION(4, 6)
 #   define wxGCC_WARNING_SUPPRESS(x) \
@@ -674,6 +677,17 @@ typedef short int WXTYPE;
 #   define wxGCC_WARNING_RESTORE(x)
 #endif
 
+/*
+    Similar macros but for gcc-specific warnings.
+ */
+#ifdef __GNUC__
+#   define wxGCC_ONLY_WARNING_SUPPRESS(x) wxGCC_WARNING_SUPPRESS(x)
+#   define wxGCC_ONLY_WARNING_RESTORE(x) wxGCC_WARNING_RESTORE(x)
+#else
+#   define wxGCC_ONLY_WARNING_SUPPRESS(x)
+#   define wxGCC_ONLY_WARNING_RESTORE(x)
+#endif
+
 /* Specific macros for -Wcast-function-type warning new in gcc 8. */
 #if wxCHECK_GCC_VERSION(8, 0)
     #define wxGCC_WARNING_SUPPRESS_CAST_FUNCTION_TYPE() \