From 43a3c88187dcd54ba008834a865e50eb28a78de9 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 5 Mar 2020 12:00:50 +0900
Subject: [PATCH] [win32] get rid of redefinition of reserved macro

```
warning C4117: macro name '_INTEGRAL_MAX_BITS' is reserved, '#define' ignored
```
---
 win32/Makefile.sub | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index bd350dcd31..6d91bbc940 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -635,7 +635,9 @@ $(CONFIG_H): $(MKFILES) $(srcdir)/win32/Makefile.sub $(win_srcdir)/Makefile.sub
 #define SIZEOF_LONG_LONG 0
 !endif
 #define SIZEOF___INT64 8
+#ifndef _INTEGRAL_MAX_BITS
 #define _INTEGRAL_MAX_BITS 64
+#endif
 !if $(LARGEFILE_SUPPORT)
 #define SIZEOF_OFF_T 8
 !else