checking for bison version... invalid
configure: WARNING: This bison version is not
supported for regeneration of the Zend/PHP parsers
(found: 3.0, min: 204, excluded: 3.0).
尝试安装 PHP7 和 PHP5.6，我使用的是 Debian 8.4/Jessie，我需要降级吗？
以下是 PHP 构建说明中列出的要求：
bison:
PHP 5.4: 1.28, 1.35, 1.75, 1.875, 2.0, 2.1, 2.2, 2.3, 2.4, 2.4.1, 2.4.2, 2.4.3, 2.5, 2.5.1, 2.6, 2.6.1, 2.6.2, 2.6.4
PHP 5.5: 2.4, 2.4.1, 2.4.2, 2.4.3, 2.5, 2.5.1, 2.6, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.7
PHP 5.6: 2.4 or later, excluding 3.0 only (3.0.1 and later are OK)
PHP 7.0: 2.4 or later