From 21b61b21c29d81204ad7d6135005126dd9b5dd7e Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 2 Jun 2023 10:34:43 +0900
Subject: [PATCH] Fix the case no file under bin directory

NMake cannot handle empty expanded targets.
---
 win32/Makefile.sub | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index 1ff8a6fc20..7b56e43511 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -579,7 +579,9 @@ ABI_VERSION_HDR = $(hdrdir)/ruby/internal/abi.h
 
 scriptbin: $(SCRIPTPROGRAMS)
 
+!if "$(SCRIPTPROGRAMS)" != ""
 $(SCRIPTPROGRAMS): $(STUBPROGRAM)
+!endif
 
 update-src::
 	@cd "$(srcdir:/=\)" && set LC_TIME=C && $(VCSUP)