* tool/darwin-cc: ld in Apple's recent Xcode warns text-based stub
files, which are probably caused by Apple's broken package.
hide such (and architecture deprecation) warnings during
configuration to pass TRY_LDFLAGS.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64802 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
nobu