From c94cc6d968a7241a487591a9753b171d8081d335 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 31 Jul 2019 20:46:01 +0900
Subject: [PATCH] run single spec [ci skip]

---
 defs/gmake.mk | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/defs/gmake.mk b/defs/gmake.mk
index f2808b5a7d..0929eda5ae 100644
--- a/defs/gmake.mk
+++ b/defs/gmake.mk
@@ -292,6 +292,9 @@ rdoc\:%: PHONY
 test_%.rb test/%: programs PHONY
 	+$(Q)$(exec) $(RUNRUBY) "$(TESTSDIR)/runner.rb" --ruby="$(RUNRUBY)" $(TEST_EXCLUDES) $(TESTOPTS) -- $(patsubst test/%,%,$@)
 
+spec/%: programs exts PHONY
+	+$(RUNRUBY) -r./$(arch)-fake $(srcdir)/spec/mspec/bin/mspec-run -B $(srcdir)/spec/default.mspec $(SPECOPTS) $(patsubst %,$(srcdir)/%,$@)
+
 clean-srcs-ext::
 	$(Q)$(RM) $(patsubst $(srcdir)/%,%,$(EXT_SRCS))