configure.in: check symbol resolution options

* configure.in (DLDFLAGS): check for each options to control
  symbol resolution.  [ruby-core:61429] [Bug #9624]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45339 b2dd03c8-39d4-4d8f-98ff-823fe69b080e