From b68dab866724aacc1cbc6b7d5e1f555dec092346 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@ruby-lang.org>
Date: Wed, 13 May 2020 10:57:14 +0900
Subject: [PATCH] ext/fiddle/extconf.rb: Fix the condition of libffi <= 3.1

ver is [3, 1, 0] which is not less then or equal to [3, 1]
---
 ext/fiddle/extconf.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/fiddle/extconf.rb b/ext/fiddle/extconf.rb
index 35e5a312ab..f8a94d41e7 100644
--- a/ext/fiddle/extconf.rb
+++ b/ext/fiddle/extconf.rb
@@ -122,7 +122,7 @@ end
 case
 when $mswin, $mingw, (ver && (ver <=> [3, 2]) >= 0)
   $defs << "-DUSE_FFI_CLOSURE_ALLOC=1"
-when (ver && (ver <=> [3, 1]) <= 0)
+when (ver && (ver <=> [3, 2]) < 0)
 else
   have_func('ffi_closure_alloc', ffi_header)
 end