From ac8864bc59449e61e1f6ee08321bd2647f34c538 Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Sun, 31 Jul 2022 16:15:00 +0100
Subject: [PATCH] ruby

---
 Lib/ruby/rubyhead.swg | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Lib/ruby/rubyhead.swg b/Lib/ruby/rubyhead.swg
index 06c430bf6..e4d9e2147 100644
--- a/Lib/ruby/rubyhead.swg
+++ b/Lib/ruby/rubyhead.swg
@@ -1,5 +1,6 @@
 #if __GNUC__ >= 7
 #pragma GCC diagnostic push
+#if defined(__cplusplus)
 #pragma GCC diagnostic ignored "-Wregister"
 #if __GNUC__ >= 10
 #pragma GCC diagnostic ignored "-Wvolatile"
@@ -8,6 +9,7 @@
 #endif
 #endif
 #endif
+#endif
 
 #include <ruby.h>