configure.ac: set CC_WRAPPER by checking message
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
configure.ac: set CC_WRAPPER by checking message
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e