Function is_cygwingcc

Tools/c-analyzer/distutils/cygwinccompiler.py:282–285

Try to determine if the gcc that would be used is from cygwin.

()

    return tuple([_find_exe_version(cmd) for cmd in commands])

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')