From 1aa0020cce544ab7cd20367957f0ecc7799bf497 Mon Sep 17 00:00:00 2001
From: Andrew Johnson <andrew.johnson@arjohnsonau.com>
Date: Mon, 24 Jun 2024 14:28:13 +0300
Subject: [PATCH] Guard int128_t typedef

---
 libbf.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libbf.h b/libbf.h
index 37b5489..3586532 100644
--- a/libbf.h
+++ b/libbf.h
@@ -40,8 +40,10 @@ extern "C" {
 #define LIMB_BITS (1 << LIMB_LOG2_BITS)
 
 #if LIMB_BITS == 64
+#ifndef INT128_MAX
 __extension__ typedef __int128 int128_t;
 __extension__ typedef unsigned __int128 uint128_t;
+#endif
 typedef int64_t slimb_t;
 typedef uint64_t limb_t;
 typedef uint128_t dlimb_t;