From 1527246a7ef148bea796a0229257e4174996e36d Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Tue, 26 Sep 2023 02:09:57 +0900
Subject: [PATCH] Download Unicode files once [ci skip]

---
 defs/gmake.mk | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/defs/gmake.mk b/defs/gmake.mk
index 8698271c98..8bb42588e4 100644
--- a/defs/gmake.mk
+++ b/defs/gmake.mk
@@ -414,6 +414,17 @@ endif
 .SECONDARY: update-unicode-ucd-emoji-files
 .SECONDARY: update-unicode-emoji-files
 
+ifneq ($(DOT_WAIT),)
+.NOTPARALLEL: update-unicode
+.NOTPARALLEL: update-unicode-files
+.NOTPARALLEL: update-unicode-auxiliary-files
+.NOTPARALLEL: update-unicode-ucd-emoji-files
+.NOTPARALLEL: update-unicode-emoji-files
+.NOTPARALLEL: $(UNICODE_FILES) $(UNICODE_PROPERTY_FILES)
+.NOTPARALLEL: $(UNICODE_AUXILIARY_FILES)
+.NOTPARALLEL: $(UNICODE_UCD_EMOJI_FILES) $(UNICODE_EMOJI_FILES)
+endif
+
 ifeq ($(HAVE_GIT),yes)
 REVISION_LATEST := $(shell $(CHDIR) $(srcdir) && $(GIT) log -1 --format=%H 2>/dev/null)
 else