From f4d9daf2b6f23af08296c7ccb770e1de1bc723bd Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@ruby-lang.org>
Date: Thu, 5 Dec 2019 22:24:58 +0900
Subject: coroutine/ucontext/Context.c: define __EXTENSIONS__ explicitly

instead of ruby/config.h, per samuel's request.

https://github.com/ruby/ruby/commit/dbfd4b780e3914a3f27e92c2248254452bf0fd6b#diff-7fd78c3cc8a19b7e0637502983ec26ff
---
 coroutine/ucontext/Context.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'coroutine')

diff --git a/coroutine/ucontext/Context.c b/coroutine/ucontext/Context.c
index 9ce768561b..eec4ef3956 100644
--- a/coroutine/ucontext/Context.c
+++ b/coroutine/ucontext/Context.c
@@ -5,7 +5,12 @@
  *  Copyright, 2019, by Samuel Williams. All rights reserved.
 */
 
-#include "ruby/config.h"
+/* According to Solaris' ucontext.h, makecontext, etc. are removed in SUSv4.
+ * To enable the prototype declarations, we need to define __EXTENSIONS__.
+ */
+#if defined(__sun) && !defined(__EXTENSIONS__)
+#define __EXTENSIONS__
+#endif
 #include "Context.h"
 
 void coroutine_trampoline(void * _start, void * _context)
-- 
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