1 files changed, 5 insertions, 0 deletions
diff --git a/common.mk b/common.mk
index 64ba63c222..e2618db36f 100644
--- a/common.mk
+++ b/common.mk
@@ -89,6 +89,8 @@ PRE_LIBRUBY_UPDATE = $(MINIRUBY) -e 'ARGV[1] or File.unlink(ARGV[0]) rescue nil'
 TESTSDIR      = $(srcdir)/test
 TESTWORKDIR   = testwork
 
+BOOTSTRAPRUBY = $(MINIRUBY)
+
 all: $(MKFILES) $(PREP) $(RBCONFIG) $(LIBRUBY)
 	@$(MINIRUBY) $(srcdir)/ext/extmk.rb $(EXTMK_ARGS)
 prog: $(PROGRAM) $(WPROGRAM)
@@ -302,6 +304,9 @@ realclean:: distclean
 
 check: test test-all
 
+btest: $(MINIRUBY) PHONY
+	@$(BOOTSTRAPRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(MINIRUBY)"
+
 test: miniruby$(EXEEXT) $(RBCONFIG) $(PROGRAM) PHONY
 	@$(MINIRUBY) $(srcdir)/rubytest.rb