python版本2.4

#ppip install psycopg2

收到以下错误：

下载/解压缩psycopg2
运行包psycopg2的setup.py egg_info

@H_502_8@Error: pg_config executable not found. Please add the directory containing pg_config to the PATH or specify the full executable path with the option: python setup.py build_ext --pg-config /path/to/pg_config build ... or with the pg_config option in 'setup.cfg'. Complete output from command python setup.py egg_info: running egg_info writing pip-egg-info/psycopg2.egg-info/PKG-INFO writing top-level names to pip-egg-info/psycopg2.egg-info/top_level.txt writing dependency_links to pip-egg-info/psycopg2.egg-info/dependency_links.txt warning: manifest_maker: standard file '-c' not found Error: pg_config executable not found. Please add the directory containing pg_config to the PATH or specify the full executable path with the option: python setup.py build_ext --pg-config /path/to/pg_config build ... or with the pg_config option in 'setup.cfg'. ---------------------------------------- Command python setup.py egg_info Failed with error code 1 in /root/sources/build/psycopg2 Storing complete log in /root/.pip/pip.log [root@host sources]# which pg_config /usr/bin/which: no pg_config in (/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/b in:/root/bin)

我无法将pg_config安装为可执行文件