https://git.ruby-lang.org/ruby.git/commit/?id=cb3eb3d7d5

From cb3eb3d7d516a12957939491f3c3cc663c1a9240 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sat, 10 Jul 2021 17:39:25 +0900
Subject: Get rid of conflict in ccan/list

Undefine LIST_HEAD from BSD-origin sys/queue.h.
---
 gc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gc.c b/gc.c
index b71a209..ff2f308 100644
--- a/gc.c
+++ b/gc.c
@@ -82,6 +82,8 @@ https://github.com/ruby/ruby/blob/trunk/gc.c#L82
 #include <emscripten.h>
 #endif
 
+#undef LIST_HEAD /* ccan/list conflicts with BSD-origin sys/queue.h. */
+
 #include "constant.h"
 #include "debug_counter.h"
 #include "eval_intern.h"
-- 
cgit v1.1


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