code: def is_cygwingcc():
      """Try to determine if the gcc that would be used is from cygwin."""
      out_string = check_output(["gcc", "-dumpmachine"])
      return out_string.strip().endswith(b"cygwin")
  
imports: import os
  import sys
  import copy
  from subprocess import Popen, PIPE, check_output
  import re
  from distutils.unixccompiler import UnixCCompiler
  from distutils.file_util import write_file
  from distutils.errors import DistutilsExecError, CCompilerError, CompileError, UnknownFileError
  from distutils.version import LooseVersion
  from distutils.spawn import find_executable
label_desc: Use image node_id 5 for calling a global function with example usage: is_cygwingcc() and returns: out_string