From 161cee3c48a989466c9d6650555c1ff0177ae0f8 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 7 Sep 2015 15:35:26 +0000
Subject: configure.in: BOOTSTRAPRUBY version

* configure.in (BOOTSTRAPRUBY): avoid too old versions.  current
  fileutils.rb does not work with 1.8 or older, because of the
  return values of Module#singleton_methods and so on.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51789 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.in | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index be0db6abae..532f6bb2b5 100644
--- a/configure.in
+++ b/configure.in
@@ -3435,7 +3435,9 @@ else
   RUNRUBY='$(RUNRUBY_COMMAND) --'
   XRUBY='$(RUNRUBY)'
   BOOTSTRAPRUBY='$(MINIRUBY)'
-  test x"${HAVE_BASERUBY}" = xyes && BOOTSTRAPRUBY='$(BASERUBY)'
+  test x"${HAVE_BASERUBY}" = xyes &&
+  ${BASERUBY} -e 'exit module A;def foo;end;instance_methods;end.include?(:foo)' &&
+  BOOTSTRAPRUBY='$(BASERUBY)'
   TEST_RUNNABLE=yes
   CROSS_COMPILING=no
 fi
-- 
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