FreeBSD pkg_infoでパッケージの依存関係を調べる方法

pkg_info -r /var/db/pkg/php5-mysql*

Information for php5-mysql-5.2.8:

Depends on:
Dependency: expat-2.0.1
Dependency: perl-5.8.8_1
Dependency: pkg-config-0.23_1
Dependency: mysql-client-5.0.51a
Dependency: libiconv-1.11_1
Dependency: libxml2-2.6.31
Dependency: apache-2.2.9_5
Dependency: php5-5.2.8

Information for php5-mysqli-5.2.8:

Depends on:
Dependency: expat-2.0.1
Dependency: perl-5.8.8_1
Dependency: pkg-config-0.23_1
Dependency: mysql-client-5.0.51a
Dependency: libiconv-1.11_1
Dependency: libxml2-2.6.31
Dependency: apache-2.2.9_5
Dependency: php5-5.2.8
Dependency: php5-simplexml-5.2.8
Dependency: php5-spl-5.2.8