message: Honor compiler wrappers building OpenSSL.
diff: @@ -413,7 +413,7 @@ def configure(cxx_toolkit = None,
  from drake.cxx import DynLib, StaticLib
  openssl_shared = True
  openssl_env = {
  - 'CC': cxx_toolkit.c + ' -w',
  + 'CC': ' '.join(cxx_toolkit.command_c + ['-w']),
  'PERL': 'perl',
  }
  if cxx_toolkit.os in [drake.os.linux]:
  