求助 DBD-Pg-2.17.2 安装不过去

[root@gg DBD-Pg-2.17.2]# perl ./Makefile.PL
Configuring DBD::Pg 2.17.2
Path to pg_config? yes
Not an executable: 'yes'
Path to pg_config? y
Not an executable: 'y'
Path to pg_config?
Use of uninitialized value in concatenation (.) or string at ./Makefile.PL line 99, <STDIN> line 3.
Use of uninitialized value in concatenation (.) or string at ./Makefile.PL line 101, <STDIN> line 3.
PostgreSQL version: 0 (default port: 0)
POSTGRES_HOME: (not set)
POSTGRES_INCLUDE: /include
POSTGRES_LIB: /lib
OS: linux
The value of POSTGRES_INCLUDE points to a non-existent directory: /include
Cannot build unless the directories exist, exiting.

你的操作系统的软件包管理器不能自动安装这个包吗？也不能使用cpan吗？