From 0a9efe8701c43f80ad8b23d89d6b34d13d9d9ade Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Tue, 21 Feb 2023 17:09:32 +0900
Subject: [PATCH] Use git directories instead of gemspec files as dependency

Minitest repository does not commit its gemspec file.
---
 defs/gmake.mk | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/defs/gmake.mk b/defs/gmake.mk
index 69d0f91a9b..9918e01f54 100644
--- a/defs/gmake.mk
+++ b/defs/gmake.mk
@@ -338,13 +338,13 @@ $(srcdir)/.bundle/.timestamp:
 	$(MAKEDIRS) $@
 
 define build-gem
-$(srcdir)/gems/src/$(1)/$(1).gemspec: | $(srcdir)/gems/src
+$(srcdir)/gems/src/$(1)/.git: | $(srcdir)/gems/src
 	$(ECHO) Cloning $(4)
 	$(Q) $(GIT) clone $(4) $$(@D)
 
-$(srcdir)/.bundle/.timestamp/$(1).revision: $(srcdir)/gems/src/$(1)/$(1).gemspec \
+$(srcdir)/.bundle/.timestamp/$(1).revision: \
 	$(if $(if $(wildcard $$(@)),$(filter $(3),$(shell cat $$(@)))),,PHONY) \
-	| $$(@D)
+	| $(srcdir)/.bundle/.timestamp $(srcdir)/gems/src/$(1)/.git
 	$(ECHO) Update $(1) to $(3)
 	$(Q) $(CHDIR) "$(srcdir)/gems/src/$(1)" && \
 	    $(GIT) fetch origin $(3) && \