class_docstr: Handles the Cygwin port of the GNU C compiler to Windows.
class_docstr_tok: ["Handles","the","Cygwin","port","of","the","GNU","C","compiler","to","Windows","."]
code: def runtime_library_dir_option(self, dir):
      # cygwin doesn't support rpath. While in theory we could error
      # out like MSVC does, code might expect it to work like on Unix, so
      # just warn and hope for the best.
      self.warn(_runtime_library_dirs_msg)
      return []
  
imports: import os
  import re
  import sys
  import copy
  import shlex
  import warnings
  from subprocess import check_output
  from .unixccompiler import UnixCCompiler
  from .file_util import write_file
  from .errors import DistutilsExecError, DistutilsPlatformError, CCompilerError, CompileError
  from .version import LooseVersion, suppress_known_deprecation
  from ._collections import RangeMap
label_desc: Use image node_id 5 for calling the CygwinCCompiler obj's underlying member method code with example usage: obj.runtime_library_dir_option(dir) and returns: list