def METHOD_NAME(self, obj, src, ext, cc_args, extra_postargs, pp_opts):
    """Compile a single source files with a Unix-style compiler."""
    # HP ad-hoc fix, see ticket 1383
    ccomp = self.compiler_so
    if ccomp[0] == 'aCC':
        # remove flags that will trigger ANSI-C mode for aCC
        if '-Ae' in ccomp:
            ccomp.remove('-Ae')
        if '-Aa' in ccomp:
            ccomp.remove('-Aa')
        # add flags for (almost) sane C++ handling
        ccomp += ['-AA']
        self.compiler_so = ccomp
    # ensure OPT environment variable is read
    if 'OPT' in os.environ:
        # XXX who uses this?
        from sysconfig import get_config_vars
        opt = shlex.join(shlex.split(os.environ['OPT']))
        gcv_opt = shlex.join(shlex.split(get_config_vars('OPT')[0]))
        ccomp_s = shlex.join(self.compiler_so)
        if opt not in ccomp_s:
            ccomp_s = ccomp_s.replace(gcv_opt, opt)
            self.compiler_so = shlex.split(ccomp_s)
        llink_s = shlex.join(self.linker_so)
        if opt not in llink_s:
            self.linker_so = self.linker_so + shlex.split(opt)
    display = '%s: %s' % (os.path.basename(self.compiler_so[0]), src)
    # gcc style automatic dependencies, outputs a makefile (-MF) that lists
    # all headers needed by a c file as a side effect of compilation (-MMD)
    if getattr(self, '_auto_depends', False):
        deps = ['-MMD', '-MF', obj + '.d']
    else:
        deps = []
    try:
        self.spawn(self.compiler_so + cc_args + [src, '-o', obj] + deps +
                   extra_postargs, display = display)
    except DistutilsExecError as e:
        msg = str(e)
        raise CompileError(msg) from None
    # add commandline flags to dependency file
    if deps:
        # After running the compiler, the file created will be in EBCDIC
        # but will not be tagged as such. This tags it so the file does not
        # have multiple different encodings being written to it
        if sys.platform == 'zos':
            subprocess.check_output(['chtag', '-tc', 'IBM1047', obj + '.d'])
        with open(obj + '.d', 'a') as f:
            f.write(_commandline_dep_string(cc_args, extra_postargs, pp_opts))