def METHOD_NAME():
    if 'include' not in C:
        return ''
    inc_defs = ['*', BZ_OS]
    incs = ''
    inc_prefix = '-I'
    if BZ_ISWIN:
        inc_prefix = '/I'
    for inc_def in inc_defs:
        if inc_def not in C['include']:
            continue
        for entry in C['include'][inc_def]:
            incs += '%s %s ' % (inc_prefix, entry)
    return incs