From e38a17f0a4e6cd7eaf9418fdb8669ae6c42d55ea Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Fri, 23 Aug 2024 14:29:34 -0400
Subject: prelude: Stub out __has_builtin() if necessary

Fixes: c964524 ("atomic: Add a spin_loop() hint")
---
 src/prelude.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/prelude.h')

diff --git a/src/prelude.h b/src/prelude.h
index abf3564..9aaec04 100644
--- a/src/prelude.h
+++ b/src/prelude.h
@@ -138,6 +138,10 @@ extern const char bfs_ldlibs[];
 #  define __has_attribute(attr) false
 #endif
 
+#ifndef __has_builtin
+#  define __has_builtin(builtin) false
+#endif
+
 // Fundamental utilities
 
 /**
-- 
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