From c4c0b60d92d134e093f1df86bb37b67e524a26cb Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 25 Aug 2021 18:28:27 +0900
Subject: Add missing empty macro [ci skip]

---
 win32/Makefile.sub | 1 +
 1 file changed, 1 insertion(+)

(limited to 'win32')

diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index 6234bfb4b3..760f919b23 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -10,6 +10,7 @@ CHDIR = cd
 PATH_SEPARATOR = ;
 TZ =				# skip timezone tests
 PWD = $(MAKEDIR)
+empty =
 
 !ifndef MFLAGS
 MFLAGS=-l
-- 
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