https://git.ruby-lang.org/ruby.git/commit/?id=bf21faec15

From bf21faec1521540f2be05df400c37600b4316a0f Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Tue, 5 Jan 2021 00:55:55 +0900
Subject: stdlib.h is always included in include/ruby/defines.h

Since commit:6537dc309962c7fefcb8d698bbebe4e4f78d0096.

diff --git a/main.c b/main.c
index 313aaed..d81cfce 100644
--- a/main.c
+++ b/main.c
@@ -29,9 +29,6 @@ https://github.com/ruby/ruby/blob/trunk/main.c#L29
 #if defined RUBY_DEBUG_ENV && !RUBY_DEBUG_ENV
 # undef RUBY_DEBUG_ENV
 #endif
-#ifdef RUBY_DEBUG_ENV
-#include <stdlib.h>
-#endif
 
 int
 main(int argc, char **argv)
-- 
cgit v0.10.2


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